98results about How to "Meet Ventilation Needs" patented technology

The invention discloses a long tunnel fast construction process. The tunnel construction method in the direction from the entrance to the exit and the tunnel construction method in the direction from the exit to the entrance are the same and each construction section is respectively constructed from back to front. The construction process is as follows: 1, excavating construction at an initial construction section, the process is as follows: performing advance geology forecast, determining the excavating construction method for the current construction section, excavating and primary supporting; 2, excavating construction at the next construction section; 3, repeating the step 2 for multiple times until the construction tunnel is through, wherein in the tunnel construction process, found water seepage areas are timely subjected to draining treatment, and the secondary lining construction is synchronously performed on the tunnel holes formed by excavating from front to back. The long tunnel fast construction method is reasonable in design, simple and convenient in construction, safe in the construction process, short in construction process and fast in construction progress, thus effectively solving the defects and shortcomings such as large equipment investment, long construction period and slow construction progress of the existing long tunnel construction.

The invention discloses a water-rich weak surrounding rock long-and-big tunnel construction method. The method includes that a tunnel inclined shaft is arranged on one side of a main tunnel of a tunnel to be constructed, the main tunnel is divided into a tunnel entry section, a tunnel exit section and a middle connecting section connected between the tunnel entry section and the tunnel exit section, the middle connecting section is divided into an inclined shaft assisting construction entry section and an inclined shaft assisting construction exit section, and each of the tunnel entry section, the tunnel exit section, the inclined shaft assisting construction entry section and the inclined shaft assisting construction exit section is divided into multiple sections for construction. A construction method of each section includes: step 1, performing geological forecasting in advance, and when a debris flow formation exists ahead, entering a step 2, or else, entering a step 3; step 2, performing stability control construction; step 3, determining a primary supporting scheme; step 4, excavating the tunnel, and performing primary supporting construction; step 5, performing secondary lining construction on the tunnel. The water-rich weak surrounding rock long-big tunnel construction method is simple in step, reasonable in design, simple and convenient to construct, good in using effect, capable of meeting construction requirements of water-rich weak surrounding rock long-and-big tunnels, short in construction period and safe in construction process.

The invention provides an air conditioner which comprises an indoor unit and an outdoor unit. A drainage pipe is arranged between the indoor unit and the outdoor unit. The air conditioner further comprises a fresh air feeding device which comprises an outdoor air collecting device and a fresh air pipe. The outdoor air collecting device is arranged outdoors and used for collecting outdoor air. The fresh air pipe is sleeved with the drainage pipe, the first end of the fresh air pipe communicates with the outdoor air collecting device, and the second end of the fresh air pipe is arranged in the indoor unit. The fresh air pipe is used for sending the outdoor air collected by the outdoor air collecting device into the indoor unit, and the outdoor air is blown out of an air outlet of the indoor unit. According to the air conditioner, fresh air can be supplied into a room while refrigerating or heating is carried out by the air conditioner.

The invention discloses a rotating type plant wall body suitable for multi-story or high-rise buildings. The rotating type plant wall body suitable for the multi-story or high-rise buildings is composed of a frame body system composed of a plurality of frame body units 1, a drop irrigation water supplying system composed of a plurality of drop irrigation water supplying units 2, and a plurality of box-packed plant drawer units 3. Each frame body unit 1 can be opened in a unidirectional rotating mode through a plane bearing 6 and is closed and locked in the left-and-right direction through a T-shaped bolt lock 8. The drop irrigation water supplying system is formed by vertically connecting the drop irrigation water supplying units 2 in all the frame body units 1 in series, and a plurality of sets of transverse branch pipes 14 in the drop irrigation water supplying system supply water to herbaceous plants 17 in all the box-packed plant drawer units 3. The box-packed plant drawer units 3 are arranged in the frame body units 1 through supporting type guide wheel sliding grooves 5, and the frame body units 1 can be drawn out after rotating to clip and replace the internal herbaceous plants 17. According to the rotating type plant wall body suitable for the multi-story or high-rise buildings, airtightness and safety when the greening wall body is applied to the multi-story or high-rise buildings and operability in the plant replacing process are achieved.

The invention discloses an air-conditioning system for a metro and a control method thereof and belongs to the technical field of metro air-conditioning control. The control method comprises the following steps: acquiring environment parameters during the operation process of the air-conditioning system; determining one of ventilation modes, which comprise a small fresh air mode of delivering mixed air of indoor return air with outdoor fresh air to indoor areas and a full fresh air mode of delivering the outdoor fresh air to the indoor areas, of the air-conditioning system based on the environment parameters; and controlling the air-conditioning system to switch to the determined ventilation mode. The control method of the air-conditioning system for the metro is capable of determining the ventilation mode adapting to the current situation according to the relevant external environment parameters of the metro. By virtue of the switching between the small fresh air mode and the full fresh air mode, the control method of the air-conditioning system for the metro has the advantages of allowing the ventilation control of the air-conditioning system for the metro to meet the ventilation needs under the current condition, improving the using experience of passengers in public areas of the metro, reducing the operation energy consumption of the air-conditioning system for the metro and reducing the operation cost of the air-conditioning system for the metro.

The invention relates to a ventilating system for a cross infection preventing closed animal house. The ventilating system is characterized by comprising an air supply system and an air return system, wherein the air supply system is arranged at the inner roof of the animal house, and the air return system is arranged at the lower parts of two side walls; the air supply system comprises an air supply fan connected to the outer part of the animal house, one end of an air supply main is connected with the air supply end of the air supply fan, and the other end of the air supply main is communicated with a plurality of branched air supply pipelines which are arranged on the roof and are arranged in parallel in a length direction and air outlets are formed in the side walls of the branched air supply pipelines; the air return system comprises an air return fan connected to the outer part of the animal house, one end of an air return main is connected with a certain end of the air return fan, and the other end of the air return main is communicated with two branched air return pipelines which are arranged at the lower parts of the two side walls in parallel and are arranged in a length direction, and exhaust holes are formed in the side walls of the branched air return pipelines. According to the ventilating system provided by the invention, the air supply system is arranged in the animal house and the air return system is arranged at the lower parts of the side walls, therefore the ways that clear air enters in the upper part of the animal house and dirty gas is exhausted from the lower part of the animal house can be realized, and the longitudinal and transverse cross infection of bacteria of the animal house can be effectively prevented.

The invention discloses a double-track tunnel provided with a vertical shaft smoke discharge and ventilation combined and complemented system. The double-track tunnel provided with the vertical shaft smoke discharge and ventilation combined and complemented system comprises two tunnel tracks, complementary contact air ducts and a smoke discharge vertical shaft, wherein the complementary contact air ducts and the smoke discharge vertical shaft are arranged between the two tunnel tracks. Axial flow fans are arranged in the contact air ducts and used for airflow organization between the two tunnel tracks. An axial flow fan is arranged in the smoke discharge vertical shaft. An air duct is formed in the bottom of the vertical shaft and communicates with an upper tunnel body and a lower tunnel body, and a pair of electric air valves is arranged in the air duct. The electric air valves in the air duct at the bottom of the vertical shaft are opened when no fire exists and used for natural ventilation. When a fire occurs, the electric air valve at the bottom of the portion, in the tunnel body on the no-fire side, of the vertical shaft and the air valves and the axial flow fans in the complementary contact air ducts are closed, and the axial flow fan in the smoke discharge vertical shaft is started for fire smoke discharge. According to the double-track tunnel provided with the vertical shaft smoke discharge and ventilation combined and complemented system, complementary ventilation is achieved through the contact air ducts, and thus the work amount of a ventilation system and a power supply and distribution system can be reduced; and the smoke discharge vertical shaft is used for smoke discharge when a fire occurs and natural ventilation when no fire exists, so that the corresponding vertical shaft scale and the project cost can be reduced, and the service energy-saving capacity and the disaster preventing capacity are improved.

The invention discloses a method for ventilation-assisting roadway arrangement and surrounding rock stabilizing control in the later period of coal mining, belonging to a method for mine ventilating system optimization and roadway arrangement. The method comprises the steps of (1) determining and arranging section coal pillars of roadways for assisting ventilation namely air inlet or air return; (2) analyzing the stability of the section coal pillars; (3) optimizing roadway arrangement schemes in the section coal pillars; (4) determining a technical scheme for reasonable roadway supporting. Aiming at the problems that in the later period of coal mining, a ventilating line is long, ventilation resistance is great, and air loss is great, the method is characterized in that the ventilation-assisting roadways are arranged in the section coal pillars in a left area of a gob, so as to shorten the length of the mine ventilating line length and reduce air loss, and has the advantages of greatly shortening the ventilating line length and reducing air loss by arranging the ventilation roadways in the section coal pillars in the left area of the gob, meanwhile improving a resource extraction rate and increasing the economic benefit of an enterprise by more extracted coal in roadway construction, meeting the need of safe mine production, and achieving obvious technical and economic benefits.

The present invention discloses a plateau long tunnel multi-dead end ventilation construction method. A tunnel inclined shaft is disposed at one side of a main cave of a plateau long tunnel, a middle connection section of the main cave is an inclined shaft auxiliary construction section which is divided into an inclined shaft auxiliary construction entrance section and an inclined shaft auxiliary construction exit section, and the inclined shaft auxiliary construction exit section has a sudden surging point and intersects with derious parallel adits. The construction method comprises a first step of ventilator installation; and a second step of tunnel excavation construction, carrying out excavation construction on the inclined shaft auxiliary construction entrance section and the inclined shaft auxiliary construction exit section through the tunnel inclined shaft while carrying out excavation construction on a tunnel entrance section and a tunnel exit section, and assisting the excavation construction through the derious parallel adits while carrying out excavation construction on the inclined shaft auxiliary construction exit section. The method provided by the present invention is simple in procedure, reasonable in design, convenient to construct, excellent in ventilation effect, and capable of solving problems of a large amount of roadways requiring ventilation during a tunnel construction process, long ventilation distance and large difficulties in ventilation construction.

The invention provides a ventilating water feeding flowerpot and a material thereof and a preparation method. The preparation method includes the steps that 100 parts of cement, 10-20 parts of perlite, 5-7 parts of cement foaming agent, 50-70 parts of water and 2-5 parts of anti-cracking fibers by weight are taken for use; the taken water and cement foaming agent are arranged in a container and evenly mixed, after a large number of bubbles appear, the cement and the perilite are added, after stirring is conducted again for 15-20 min, the anti-cracking fibers are added, stirring is conducted for 5-20 min, a mixture I is obtained, and the mixture I is the material for the ventilating water feeding flowerpot. The material for the ventilating water feeding flowerpot is taken and arranged in a die so that the flowerpot can be prepared, and the ventilating water feeding flowerpot is obtained. The ventilating requirements of the flowerpot are met, a certain water feeding function is achieved, and automatic drainage can be achieved.

The invention discloses a small anti-microbial dustproof cleaning-free fashionable mask which comprises a mask body, an outer decorative layer and hanging ropes. The mask body is made of multiple layers of nano-silver non-woven gauze and is in fit with the face of the human body in shape, the left side and the right side of the mask body are provided with the hanging ropes used for being fixed to ears of the human body, the outer surface of the mask body is coated with a layer of waterproof and dustproof breathable film, the outer surface of the waterproof and dustproof breathable film is coated with a layer of photocatalyst coating, the outer decorative layer is of a net structure, and the outer surface of the outer decorative layer is coated with fluorescence or reflective materials with different colors. The mask is fashionable, attractive, capable of avoiding face exposing, anti-microbial, dustproof and meanwhile capable of omitting troublesome of cleaning and disinfection.

The invention discloses a vertical circular spraying chamber applied to a powder spray-coating line. The vertical circular spraying chamber comprises a vertical spraying chamber main body, wherein the spraying chamber main body is formed mainly by defining a front side plate and a rear side plate which are positioned on the front and rear sides respectively; the middle parts of the front and rear side plates are outwards arched to form circular arcs; a feed opening and a discharge opening are formed in the left and right sides of the spraying chamber main body respectively, and are used for the feeding and discharging of a workpiece; an air draft opening connected with an external air draft pipeline is formed in the outwards-arched position of the middle part of the rear side plate. According to the vertical circular spraying chamber, the front and rear side plates define a relatively enclosed space, and the middle parts of the front and rear side plates are outwards arched to form the circular arcs, so that the space in the spraying chamber is enough for the powder spray-coating of the workpiece, the feed opening and the discharge opening in the left and right sides of the spraying chamber are small, the opening area of the spraying chamber is reduced, and the requirements of the spraying chamber on air draft can be met by a relatively low-power draft fan.

The invention relates to a dust haze preventing energy-saving window, and belongs to the technical field of building. The dust haze preventing energy-saving window comprises a fixed sash and an opening sash, wherein the opening sash is arranged on any side edge of the upper side edge, the lower side edge, the left side edge and the right side edge of the fixed sash and is in a narrow-strip shape. The opening sash is a ventilating sash and comprises an inner window body and an outer window body, the outer window body is a glass window, the window face of the inner window body is formed by sandwiching a filtering cotton layer in a double-layer steel wire gauze, the inner window body is opened inwards, and the outer window body is opened outwards. When the outer window body of the opening sash is opened, and the inner window body of the opening sash is closed, the heat preservation performance of the energy-saving window is equivalent to that of a double-layer glass window, and while the requirement for ventilation of a room is met, it can be ensured that indoor temperature does not fluctuate substantially, which is beneficial to health of people and plants in the room and heat preservation and energy conservation of a building. The dust haze harm is effectively reduced, and dust and mosquitoes are prevented from entering the room. The ventilating performance can fully meet the requirement for ventilation of the room, the ventilation property is 300 mm / s, and therefore the ventilating effect is excellent.

The invention relates to the field of a ship and discloses a ship and ship side cabin ventilation method. The ship comprises side cabins arranged on two sides of the ship, wherein the side cabins arecommunicated through a transverse water inlet channel, a ventilation device is arranged in each side cabin, one end of an air inlet pipeline of each ventilation device is communicated with the outsideof the ship, a natural air outlet is formed in the other end of the air inlet pipeline of each ventilation device, a natural air outlet gate is arranged at each natural air outlet, one end of an exhaust pipeline of the ventilation device is communicated with the outside of the ship, the other end of the exhaust pipeline is provided with a natural suction opening and a forced suction opening, thenatural suction opening is provided with a natural suction gate, the forced suction opening is provided with a forced suction fan and a forced suction gate, the sum of the circulation area of a natural air inlet channel formed by communicating an end, communicating with the outside of the ship, of the air inlet pipeline and the natural air outlet and the circulation area of a natural air outlet channel formed by communicating the natural suction opening and an end, communicating with the outside of the ship, of the exhaust pipeline is not smaller than 10% of the cross section area of the transverse water inlet channel. On the premise that requirements for forced ventilation and fire closing ventilation are met, the anti-overturning capacity of the ship is improved.

The invention discloses a variable valve timing phase mechanism based on a sliding cylinder sleeve. Exhaust openings and air inlets of an air cylinder are formed in the middle and the two sides of theair cylinder on average, the phase mechanism is mounted on the air cylinder, the ventilation manner of middle exhaust and two-side air inlet of the air cylinder can be achieved, and two-stroke and four-stroke ventilation needs can be met at the same time; the air inlets and the exhaust openings of the air cylinder can also be formed in the middle and the two sides of the air cylinder on average,the phase mechanism is mounted on the air cylinder to achieve the ventilation manner of middle air inlet and two-side exhaust of the air cylinder, it can be ensured that the average indicating pressure and ventilating characteristics of an engine under all stations are more optimal, and the mechanism is suitable for optimizing the ventilation process, optimizing the combustion structure and improving the engine performance under the different rotating speeds

The invention discloses an intelligent pressure relief device. The intelligent pressure relief device comprises a base, a positive-pressure valve cover, a negative-pressure valve cover and a spring, wherein the positive-pressure valve cover is rotationally connected with one side of the base; when the positive-pressure valve cover is closed, the positive-pressure valve cover and the base are in sealing fit; the negative-pressure valve cover is positioned at the inner side of the positive-pressure valve cover, and is smaller than the positive-pressure valve cover; the negative-pressure valve cover is connected with the positive-pressure valve cover through the spring; a hole is formed in the positive-pressure valve cover; and when the negative-pressure valve cover is closed under the effect of spring force, the hole is covered. The intelligent pressure relief device can realize two-way pressure relief thereof through the fit between the positive-pressure valve cover and the negative-pressure valve cover through the spring and the like, and further comprises a control system to realize such functions as remote control, ventilation and pressure re-relief.

A rotating plant wall suitable for multi-storey or high-rise buildings, consisting of a frame system composed of several frame units, a drip irrigation water supply system composed of several drip irrigation water supply units, and several boxed plant drawer units, wherein each frame The body unit can be opened by one-way rotation relying on the plane bearing, and the left and right directions are closed and locked by the T-shaped latch lock. The drip irrigation water supply system is composed of drip irrigation water supply units located in each frame unit. Multiple groups of horizontal pipes supply water to the herb plants in each boxed plant drawer unit. The boxed plant drawer unit is set in the frame unit by means of the supporting guide wheel chute, which can be pulled out after the frame unit completes the rotation to realize the The pruning and replacement of internal herbaceous plants; the invention solves the problems of airtightness, safety and operability in the process of plant replacement when the green wall is applied to multi-storey or high-rise buildings.

The invention discloses a flexible photovoltaic extensible window lighting heat preservation room, and belongs to the technical field of sunlight rooms. Flexible photovoltaic panels and an extensibleglass cover plate arranged in a top face frame are connected to a top face frame of a sunlight room through sliding rails, under the condition of irradiation of an external constant light source, whenthe flexible photovoltaic panels are irradiated by outdoor solar radiation, photoelectric conversion is achieved, and electric energy is stored in a storage battery; and the storage battery is used for supplying power to a motor and an electric push rod to work, the flexible photovoltaic panels can be moved and overlapped, and the requirements of lighting, airing and ventilation required by a user are met.

The invention discloses a Liupao tea drying method. The Liupao tea drying method comprises the following steps: A. loosening the fermented Liupao tea piles to obtain tea leaves, spraying fermentation liquor, stirring uniformly, standing for 48 hours, and then drying in a tea drier, wherein the fermentation liquor is prepared by the following steps: adding water and brown sugar into the residual raw tea and carrying out mixed fermentation; the tea drier comprises a metal cylinder body, a metal cylinder cover, a screen, an opening, a vertical shaft, an electrode ring, two copper blocks and an electrode plate, wherein the electrode plate and the electrode ring are both connected with an electrode; the drying step comprises the steps of putting the tea leaves on the screen, putting the screen in the cylinder body; starting the power supply of the electrode, switching off the power supply after one minute, stirring, and performing such operations for three times; then, starting the power supply of the electrode, and standing for 50 minutes, and take the tea leaves out; and B. adding the fermentation liquor to the tea leaves obtained in the step A, stirring uniformly, and standing for 28 days. The Liupao tea drying method can be used for solving the problems of high energy consumption and high processing cost in the existing Liupao tea drying method.

The invention discloses an orientation distributing device and method for ventilation volume of tunnel construction. The device comprises a distributing box and a mounting support for horizontally mounting the distributing box; the distributing box comprises a distributing box body of which the front part and the rear part are opened, an air outlet structure arranged at the front side of the distributing box body and an air inlet structure arranged at the rear side of the distributing box body; the air inlet structure comprises left and right air inlet joints which are mounted together; the air outlet structure comprises left and right air outlet joints which are mounted together; the inside of the distributing box body is divided into left and right air supply channels by a separating device; and the separating device is vertically arranged and comprises a separating seat fixed in the distributing box body, a movable door and a swing driving device. The method comprises the following steps: firstly, mounting a ventilation system of a tunnel; and secondly, performing orientation distribution of the ventilation volume. The orientation distributing device disclosed by the invention is reasonable in design, simple and convenient to use and operate and good in service effect; and the ventilation volumes of two tunnel holes in the construction process can be flexibly distributed simply and conveniently, and the utilization rate of ventilation equipment is improved.

The invention provides a window for a railway vehicle, a railway vehicle and a window mounting method. The window for the railway vehicle comprises a window frame, an outer blind window and an inner glass window, wherein the window frame comprises an outer frame body and an inner frame body; a flanging structure is formed at the edge of the outer frame body; a retainer ring is formed on the inner ring of the outer frame body; an inserting groove is formed in the outer side wall of the outer frame body; a detachable inserting plate is arranged in the inserting groove; a plurality of threaded holes are formed in the inserting plate; an outer sliding groove and an inner sliding groove, which are arranged in parallel, are formed in the internal side wall of the inner frame body; the outer blind window is arranged in the outer sliding groove in a sliding way; the inner glass window is arranged in the inner sliding groove in a sliding way; brush strips are oppositely arranged in the inner sliding groove; the inner glass window is clamped between the two brush strips; a mounting plate is arranged on the external side wall of the inner frame body; a plurality of mounting through holes are formed in the mounting plate; and the inner frame body clings to the retainer ring in a sealed way. According to the invention, the comfort performance of the window for the railway vehicle in use is improved and ventilation demands of passengers are satisfied on the premise that sealing property of the window is ensured.

The invention provides a wood house with a courtyard window. A courtyard is formed on a roof of the wood house, wherein a light transmission element is arranged on the courtyard, one end of the light transmission element is arranged on a rotating shaft, the rotating shaft is fixedly arranged on the side wall of the courtyard, the rotating shaft is connected with a rotating mechanism, the other end of the light transmission element is in opening and closing arrangement with the matched courtyard, a light sensing element is arranged on the light transmission element, and is connected with an opening and closing device, a rainwater sensing element is arranged on the light transmission element, and the rainwater sensing element is connected with a rainwater opening and closing device. The wood house has the advantages that a transparent element capable of automatically ascending and descending is arranged in a courtyard part for meeting the lighting requirements, meanwhile, the ventilation requirements in the house can also be met, the comfort degree in the house can be maintained, the requirements of a user are met to the maximum degree, the light sensing element and the rainwater sensing element are arranged on the transparent element, different responses can be made for different weather conditions, various use requirements can be met, and meanwhile, cleanness in the house can also be maintained.

The invention discloses a vehicle window control method and a vehicle window control system. The vehicle window control method comprises step I, acquiring real-time external body feeling temperature and real-time vehicle speed, searching for a corresponding standard vehicle window opening degree from a vehicle window control database according to the real-time external body feeling temperature andthe real-time vehicle speed, and regulating a vehicle window to the standard vehicle window opening degree; step II, acquiring a first vehicle window opening degree within first preset time after thevehicle window is regulated to the standard vehicle window opening degree, and if the first vehicle window opening degree is different from the standard vehicle window opening degree, using the firstvehicle window opening degree as a new standard vehicle window opening degree and updating the new standard vehicle window opening degree to the vehicle window control database; and step III, repeating the step I and the step II at second preset time after the vehicle window is regulated to the standard vehicle window opening degree to realize intelligent control over the vehicle window. The vehicle window control method and the vehicle window control system can regulate the vehicle window opening degree in real time according to the body feeling temperature of the external environment of a vehicle and the vehicle speed; and during regulating, the personalized demand of a user can also be learnt, and thus, intelligent control over the vehicle window is realized, and the driving comfort and safety are effectively improved.

The invention relates to a louver-type photovoltaic integrated power generation device with low light pollution for buildings. The power generation device comprises a frame and a plurality of power generation units, wherein the power generation unit comprises a battery panel assembly and a reflector assembly which are positioned on the frame through respective rotating shafts thereof; through adjusting the included angle between the battery panel assembly and the reflector assembly, as well as the included angle between the battery panel assembly and the reflector assembly and the plane where the frame is located, the power generation units can use the directly incident and reflected sun lights to generate power, and can reflect the sun lights along the incident direction of the sun lights. The louver-type photovoltaic integrated power generation device disclosed by the invention integrates power generation, light penetration, ventilation, decoration and light pollution prevention, and is a breakthrough building external wall structure and a solar power generation device.

The invention provides a ventilation and dustproof method used for tunnel construction. The ventilation and dustproof method comprises the following steps that 1, air ducts are arranged at the front of excavation working faces of a flat pilot tunnel, a main hole, and an inclined shaft and move forward with moving forward of each working face; 2, after the main hole is connected with a first transverse passage, a draught fan is arranged at the intersection of the main hole and the first transverse passage, the air ducts are respectively arranged on the second working face and the first workingface of excavation, and a jet flow draught fan is arranged in the flat pilot tunnel to induce airflow to a tunnel opening; and excavation is conducted to the two sides of the main hole after the inclined shaft communicates the main hole; and 3, two transverse passages nearest to the second working face are reserved between the main hole and the flat pilot tunnel, and the draught fan moves with excavation of the main hole to the intersection of the NTH transverse passage and the main hole. According to the ventilation and dustproof method, the air ducts and draught fans are arranged on the fiveworking faces of tunnel construction and excavation for ventilation and circulation, the position is adjusted and a line is laid according to the construction steps by using the air ducts and the draught fans, air duct direction turning and tapoff of the multiple air ducts in a tunnel with the complex structure are realized, and the loss of wind power is greatly reduced.

The invention provides an ocean platform ventilation system control method based on temperature and hydrogen sulfide concentration control, and the method comprises the following steps: building a hydrogen sulfide gas concentration change differential equation in an ocean platform cabin, defining a variable air volume air box and an air handling unit in each cabin as an intelligent agent, and obtaining N + 1 intelligent agents, wherein N is the number of the ocean platform cabins; fitting the intelligent agents by adopting a neural network, wherein each intelligent agent comprises an actor network responsible for generating a strategy and a critic network responsible for evaluating the strategy in real time; defining states and actions of N + 1 agents at the moment t, and defining temperature and hydrogen sulfide concentration overrun penalty functions of the agents in the cabin; and performing intelligent agent training. According to the control method of the ocean platform ventilation system, the hydrogen sulfide gas with the temperature and the concentration exceeding the standard in the ocean platform cabin can be controlled.

The invention provides breathable waterproof soles and breathable waterproof shoes. Each sole comprises a tread base, an upward protuberant flange is arranged at the periphery of the tread base, the flange is provided with air holes which penetrate through the inner side face and the outer side face of the flange, the air holes can be sealed by at least one layer of waterproof breathable cloth through which air can pass; the top of the flange is also provided with an eave extending toward the periphery of the tread base, the air holes are arranged below the eave and close to the eave; and theinterior of the tread base is provided with multiple cavities separated by barriers, the upper ends of the cavities are open, the lower ends of the cavities are closed, and distance is reserved between the top surfaces of the cavities and the lower edges of inner opening of the air holes. The breathable waterproof soles provided by the invention have simple structure and low manufacturing cost, are waterproof and dustproof, can prevent from being punctured by foreign matters, have long-lasting air permeability, are durable in use, can realize breathing and ventilation of shoes, are especiallysuitable to be used for producing leather casual shoes and have good comfortableness.

The invention relates to a riprap temperature control cave for freshness keeping of fruits and vegetables stored in the loess plateau. The riprap temperature control cave is structurally characterized in that a soil layer on the top of an existing cave in the loess plateau is dug out, the top of the cave is filled with a dimension stone layer to form a trapezoid shape and an open boundary, the dimension stone grain size is controlled to be 22-30 cm, the strength is 30-35 MPa, and the void content is 25-30%. A waterproof and breathable film is laid on the upper middle portion of the dimension stone layer so that rain can be prevented from falling into the cave. A vertical ventilation chimney is arranged on the dimension stone layer and is vertically 1.5-2 m higher than the top of the cave, the caliber of the chimney is 20-30 cm, and detachable asbestosed wire gauze cloth is laid on the dimension stone layer. The cave for freshness keeping and overwintering of fruits and vegetables is provided according to the characteristics of freshness keeping caves for fruits and vegetables in the loess plateau and through the organic combination with the winter cooling and cold accumulation efficacy of a riprap layer and the chimney effect, and the requirement for overwintering and freshness keeping of fruit and vegetables in the loess plateau region is met; meanwhile, the riprap temperature control cave has the advantages of being low in manufacturing cost, easy to construct and convenient to maintain, solves difficulty and problems in production and life of farmers in the region, and has good social and economic benefits.

An anti-scouring water storage type roof greening structure comprises a waterproof layer laid on the upper surface of a roof layer, and a drainage layer, a filtering layer, a water retention layer, aplanting layer and a vegetation layer are sequentially arranged on the waterproof layer from bottom to top. The drainage layer is a water retention and drainage plate; the filtering layer is made of nylon gauze or non-woven fabric; and the water retention layer is a water-absorbing cotton strip water retention layer. According to the anti-scouring water storage type roof greening structure, the problems of water and soil loss and environmental pollution can be solved, the structure is stable, construction is easy, and anti-scouring and recyclable rainwater utilization can be achieved on a conventional roof and some special roofs (such as a dome and a slope top).