58results about How to "Small amount of installation work" patented technology

The invention relates to an adaptive segmentally controlled tunnel illumination control system and method; the system comprises a tunnel illumination controller, a signal detection unit, a Zigbee network unit, and a plurality of illumination lamp sets; the signal detection unit comprises a vehicle sensor, a vehicle speed sensor, a brightness sensor, a temperature sensor, and a raindrop sensor; the Zigbee network unit comprises Zigbee main node module connected with the tunnel illumination controller, and a plurality of Zigbee node modules respectively connected with the illumination lamp sets; the illumination lamp sets comprise an introduction segment lamp set arranged outside the tunnel, an illumination lamp set arranged in the entrance segment in the tunnel, a transition segment illumination lamp set, a middle segment illumination lamp set, an exit segment illumination lamp set, and a road lamp illumination lamp set arranged outside the tunnel, and also comprise an emergency illumination lamp set. The adaptive segmentally controlled tunnel illumination control system can realize tunnel illumination, satisfies illumination curve demands of human eyes, thus eliminating black frame, black hole and white hole effects.

The invention discloses a combined supply type air conditioner unit integrating the refrigerating function, the high-temperature hot water preparation function, the low-temperature hot water preparation function and the like. The air conditioner unit is mainly composed of a compressor 1, a high-temperature heat recovery device 2, a low-temperature heat recovery device 3, a dry filter 4, a throttling valve 5, an evaporator 6, a gas-liquid separator 7, a heat storage water tank 8, a plate heat exchanger 9, a cooling tower 12, a hot water circulating pump 13, a circulating pump 14, a cooling water pump 15, a chilled water pump 16, a chilled water outlet 17, a chilled water inlet 18, a low-temperature hot water outlet 19, a low-temperature hot water inlet 20, a high-temperature hot water outlet 21 and a heat storage water tank water adding opening 22, wherein all the components are connected through pipelines and are switched and adjusted through valves. According to the combined supply type air conditioner unit, circulated waste heat is refrigerated as a heat source by means of the high-temperature heat recovery device and the low-temperature heat recovery device, and user heat loads are borne through heat recovery. In addition, cooling free of charge can be achieved, and the combined supply type air conditioner unit has the good applicability and adaptability for the data room and the like needing perennial cooling.

An FTTH optical access network architecture based on ''three-network integration'' belongs to the application field of multi-network fusion technology. The FTTH optical access network architecture comprises the following components: an accessed telecommunication public network, an accessed Internet, wireless transmission, a broadcast television access network, the existing local area network fireproof wall of the enterprise, the existing local area network core switch of the enterprise, a media gateway, a three-network integrated first-core switch session boundary controller, the fireproof wall, the switch, a NGN soft switching system, a narrowband charger, a network management system, a first database server, an intelligent service gateway, a gigabit Ethernet passive optical network GPON, an optical fiber line terminal device EPON, an optical amplifying unit, an ONU, a digital monitoring system, a wideband charger, a security service gateway, a server, an optical splitter, an AP, an optical network terminal ONT, an optical network terminal with a wireless home gateway, an optical network terminal M3-2401, an integrated access device and an integrated service aceess plateform. The FTTH optical access network architecture of the invention has the advantages of multi-network fusion, high bandwidth, high stability, low input and high return.

The invention discloses an overlap-free wireless coverage system supporting high-speed rail mobile communication and a switching method thereof, and relates to the field of high-speed rail communication. According to the invention, a number of vehicle-mounted antennas alternatively communicate with an RAU radiation electromagnetic micro cell, and then two aspects of the coverage distance of the RAU cell and the number of the vehicle-mounted antennas are determined. According to the system, a ground management unit (110), a ground access management unit (120) and a light wavelength management unit (130) are connected in turn; a vehicle-mounted access control unit (210) and a vehicle-mounted control unit (220) are connected; and the ground access management unit (120) and the vehicle-mounted access control unit (210) are connected. According to the invention, the complexity of a vehicle-mounted communication system is reasonably improved to reduce the complexity of a ground communication system, and the effects of the cost advantage and the performance advantage are obvious.

Provided is a method for radon gas release concentration in-situ determination in underground different position coal rock beds. The method comprises steps: determining underground different position coal rock beds for radon gas release concentration determination, and respectively numbering as L1 to Ln; automatically calibrating a determination coefficient of a continuous radon measurement instrument (7); fixedly arranging a cylindrical hollow rubber piston (3) on the end of a plastic flexible pipe (4), putting the cylindrical hollow rubber piston in an exploration drilling hole (2); when measuring the radon gas release concentration in the L1, recording data after measurement of each hour, continuously measuring for 3 hours, to record obtained three pieces of data respectively as C11, C12, and C13, taking the average value of the C11, C12, and C13 as the radon gas release concentration in the L1, recording as C1; measuring the L2, L3, and the like, Ln in sequence, and respectively recording the final measuring result as C2, C3, and the like, Cn. Using the method, radon gas release concentration determination of all position coal rock beds can be completed in the existing exploration drilling hole, interference on measuring results by size effect and external environment factors is eliminated, and field in-situ determination is actually realized.

The invention relates to a system and a method for recovering water of smoke based on a fluorine plastic heat exchanger. The existing system cannot effectively recover the water of the smoke. The system for recovering the water of the smoke comprises an air preheater, a dust remover, an induced air fan, a desulfurizing tower and a chimney which are sequentially arranged on a flue along the smoke flowing direction, and is characterized by also comprising the fluorine plastic heat exchanger, a condensate recovery device, a smoke temperature tester, a heat medium water recovery pipe, a heat medium water inlet pipe, an electric adjusting valve, a circulating water pump, a water supplementing water tank and residual heat utilization equipment, wherein the fluorine plastic heat exchanger is positioned on the flue between the desulfurizing tower and the chimney; the condensate recovery device is fixedly connected with the fluorine plastic heat exchanger. The method for recovering the water of the smoke is characterized in that when the smoke flows through the fluorine plastic heat exchanger, the heat medium water in the fluorine plastic heat exchanger is heated by the smoke to generate high-temperature heat medium water, and the temperature of smoke is reduced to be lower than water dew point. The system and the method for recovering the water of the smoke have the advantages that the design is reasonable, and the function of recovering the water of smoke is effectively realized.

The invention relates to a wind wing mounting base. The wind wing mounting base comprises a base body connected with a ship body deck surface, wherein a wind wing system is fixedly connected with the upper surface of the base body through a fastening piece; and a channel steel component is mounted on the base body in a penetrating manner, and is respectively connected with the ship body deck surface and the base body to form a whole structure. The wind wing mounting base is simple in structure and convenient for use; on the basis of the ship body deck surface, the channel steel component, the cylindrical base body, the ship body deck surface and a ship body hold enclosure bulkhead are welded to form a whole structure, so that wind load generated by stressing a wind effect on a wind wing is effectively dispersed on the ship body deck surface; and in addition, the wind wing mounting base can satisfy the ship body structure strength requirement to prevent damaging the ship body basic structure, and has the advantages of strong adaptability, small mounting project amount, convenience for construction and lower cost.

The invention discloses an oceanic earthquake and tsunami real-time monitoring system. The oceanic earthquake and tsunami real-time monitoring system comprises an earthquake water level monitoring instrument which is arranged on a seabed and a floater which is arranged on the sea surface, wherein the earthquake water level monitoring instrument comprises a pressure-resistant ball and a base whichis fixedly arranged at the bottom of the pressure-resistant ball; a control storage module, a signal processing device and a battery pack are arranged inside the pressure-resistant ball; a first soundcommunication device connected with the storage module, as well as a pressure sensor and a hydrophone connected with the signal processing device are fixedly arranged outside the pressure-resistant ball; the base is provided with a microorganism generation device which is connected with the battery pack inside the pressure-resistant ball; and the floater is used for receiving an acoustic signal of the earthquake water level monitoring instrument by using a second acoustic communication device, is positioned through a propeller and a Beidou positioning device, and performs data communication with a shore base station through a communication satellite. Through adoption of the oceanic earthquake and tsunami real-time monitoring system, earthquake in a deep-sea area can be monitored; shallow-focus earthquake and tsunami close to the shore can be monitored; and the timeliness of data can be ensured.

The automatic controller comprises control circuit applied with pulse relay: water shortage signal value having magnetic floating ball and dry-reed tube as the two cooperated to each other for outputting signal of water supply, water off and water shortage, air-pressure type of water level meter having magnetic floating mark and regulation bar in cylindrical shape cavity to pick up water level signal for water box as some other place as the magnetic floating mark cooperated with the dry-reed tube to pick up signal of high and low water level in water box. The circuit cooperating with water shortage signal valve and water level meter can be used for water supply and water off protection as well as water level automatic control for the water box.

The invention discloses an inflation transportation water-pressing-pile fixing type foundation of an offshore wind power tower. The foundation comprises a cavity and multi-stage water pressing piles arranged in the cavity. Multiple air inlet valves and multiple water inlet valves are arranged on the surface of the cavity. Each multi-stage water pressing pile comprises a U-shaped cylinder and multi-stage hollow piston rods nested sequentially. Air is injected into the cavity after the cavity and the wind power tower are assembled, and the cavity and the wind power tower are dragged to a wind power plant construction site; the interior of the cavity is filled with water till the cavity sinks to the seabed; then high-pressure sea water is pressed into the U-shaped cylinders to push all stages of the hollow piston rods to be drilled into gravel holes stage by stage till limit positions; and water is pumped out, concrete is poured into the multi-stage water pressing piles, and the permanent foundation of the wind power tower is formed after the concrete is solidified. According to the foundation, the foundation is reasonable in structure and convenient to manufacture, transport and mount; the work amount of manufacturing and the work amount of mounting are reduced, the construction period is shortened, and it is guaranteed that a wind power plant is combined to the grid and generates power as soon as possible; the foundation of the offshore wind power tower has great economic benefits.

The invention provides blackbody components, an energy-saving kiln and an energy conservation method which adopt the blackbody components. The energy-saving kiln comprises a kiln wall and blackbody components, wherein the blackbody components are hollow, and one ends of the blackbody components are opened ends, which point to the center of a hearth, and the other ends of the blackbody components are mounted on the kiln wall; the axes of the blackbody components / the end surfaces of the opened ends form acute angles with the mounting faces of mounting ends, so that the normal of the end surfaces of the opened ends face a heated workpiece in the kiln. The energy-saving kiln has the advantages of good energy conservation effect, quickness in mounting and the like, and can be widely applied to energy conservation reconstruction of kilns.

The invention relates to a golf green device for exercise, which comprises a ball falling surface, a frame, ball recognizing devices and ball recovering devices, wherein the ball falling surface is formed by splicing a plurality of ball falling subareas and installed on the top end of the frame; and the ball recognizing device and the ball recovering device are installed under each ball falling subarea. Each ball falling subarea is a hopper surface; artificial turf is installed on the hopper surface; the lowest end of the hopper surface is provided with a ball hole; the periphery of the ball hole is provided with the ball recognizing device; and the hopper surface can lead a golf ball to naturally roll in the ball hole. The invention has the advantages: the golf green device can be installed on the ground and is easily installed and moved; the ball naturally rolls into the ball hole and rolls out along a recovering groove or pipe by utilizing the structure of the hopper surface so as to realize the recovery of the ball; the structure of the recovering device is greatly simplified, the power drive is not needed, and the running cost is reduced; the misreading of the ball which falls into the boundary of a grid and bounces more than twice is prevented; and the design of a pontoon can lead the golf green device for exercise to float on the water surface for use, thereby expanding the use range.

In order to solve the problems of time waste and labor waste in the installing process, structure mismatching, attractive appearance influence, and complication and inconvenience in the repair and updating processes of the existing composite digital teaching device, the invention provides a composite digital teaching device. The composite digital teaching device comprises two writing board assemblies and a digital teaching all-in-one machine, wherein the two writing board assemblies are arranged on the digital teaching all-in-one machine from the left side and the right side, and are in butt joint in the middle position; and the digital teaching all-in-one machine is embedded in the middle of the two writing board assemblies. Therefore in a normal state, a host module is shielded by a sliding writing board arranged on one writing board assembly; and in a repair and updating state, the sliding writing board shielding the host module is moved away, and the host module can be exposed for repair or hardware updating. The composite digital teaching device provided by the invention has the advantages that the appearance is fashionable, simple and compact; an integral whole is formed; and the seamless joint of the digital teaching all-in-one machine and outer frames of the writing board assemblies is realized. The repair and the updating of the composite digital teaching device are more convenient and simpler.

The invention provides a ventilation and tail end jet flow type temperature and humidity control system and control method for an underground building. The control system comprises a ventilating centralized dehumidification device, a tail end jet flow dehumidification device, an air exhaust device and a system controller, wherein the ventilating centralized dehumidification device is used for centralized processing of ventilating heat and humidity loads, and the tail end jet flow dehumidification device is used for processing of indoor heat and humidity loads; the air exhaust device is used for carrying out air exhaust tasks of underground rooms; and the system controller is connected with the ventilating centralized dehumidification device, the tail end jet flow dehumidification device and the air exhaust device, manages the united operation of all the devices in a unified mode, and effectively controls the air temperature and humidity in all the underground rooms. According to the control system, aiming at the category characteristics and dynamic rules of the heat and humidity loads in the underground building, the ventilating centralized dehumidification device and the tail endjet flow dehumidification device are used in a combined mode, two dehumidification systems with different properties are adopted to reasonably share the ventilating load and the internal load of the underground building, and the energy efficiency is higher compared with that of existing temperature and humidity control systems.

The invention relates to the technical field of membrane structures, in particular to an angle-adaptive pull rod and rotating plate system. The angle-adaptive pull rod and rotating plate system comprises steel pipes, a rotating plate, rotating plate fixing pieces and pull rods; the bottom ends of the rotating plate fixing pieces are fixedly connected with the steel pipes, and the side faces of the rotating plate fixing pieces are provided with limiting holes; lug columns penetrating through the limiting holes are arranged on the two sides of the rotating plate, and gaps are formed between the lug columns and the limiting holes so as to enable the rotating plate to be rotatably assembled between the two rotating plate fixing pieces; and assembly holes are formed in the rotating plate, and the pull rods penetrate through the assembly holes to be fixedly connected with the rotating plate. The pull rods can be freely changed according to the actual angle, and thus the fixing angle of a membrane cloth is adjusted to meet the actual demand.

The invention discloses a novel roller compacted concrete for dams and a preparation method thereof. The novel roller compacted concrete comprises the following components by weight: 60-110 parts of water, 51-59 parts of cement, and 70-70 parts of fly ash 120 parts, 500-700 parts of river sand, 1400-1500 parts of coarse aggregate, 0.876-1.46 parts of retarding superplasticizer and 0.02-0.04 parts of air-entraining agent; The river sand is crushed to form finished sand; then the finished sand is mixed with other components to obtain a new type of roller compacted concrete. The invention effectively improves the quality of the sand, does not consume water resources, does not generate dust, and is energy-saving and environmentally friendly.

This invention relates to a method for designing a wiring frame which is to set IMB on a wiring frame including a filter circuit separating broadband signals and narrow band signals or wire protection circuit of narrowband port or that of broadband service port, or those of narrow and broadband service ports, or protection circuit of narrowband service port and a filter separating broadband and narrowband signals or circuit of the broadband and filter separating broadband and narrow band signals, or the circuit of narrow band, the said circuit of broadband and filter separating signals of broadband and narrowband.

The invention discloses an odor gas purification method and purification device. The purification device comprises a box, an air inlet, an air outlet, a first processing segment, a second processing segment, and a biological filter bed segment. The air inlet and the air outlet are arranged in different sides of the box. The first processing segment, the second processing segment, and the biological filter bed segment are arranged between the air inlet and the air outlet in sequence in the box. The first processing segment cools, dedusts, and oxidizes odor gas. The second processing segment humidifies, neutralizes, and absorbs odor gas. The air inlet, the first processing segment, the second processing segment, the biological filter bed segment, and the air outlet are communicated with eachother in sequence. The odor gas introduced into the device is cooled, dedusted, oxidized, neutralized, absorbed, and biologically oxidized, and the processed gas completely meets the discharge standards.

The application relates to a tsunami monitoring device and a tsunami early warning system. The device comprises a tsunami monitoring unit which is used for monitoring tsunami information when a body is located in a monitoring area, a communication floating body connected with the tsunami monitoring unit, a release device respectively connected with the tsunami monitoring unit and the communicationfloating body. When the tsunami monitoring unit monitors tsunami, a release instruction and tsunami information are output; the release device releases a communication floating body when receiving the release instruction; the communication floating body receives the tsunami information, floats to the sea surface and sends the tsunami information to a shore station through a satellite network; thetsunami information is used for indicating the shore station to perform tsunami early warning. The tsunami monitoring device is low in laying workload, high in flexibility, high in safety, long in life cycle during offshore operation and low in operation cost.

This communication net includes office end devices (OE), the distribution chassis (DC) and user end devices (UE). UE includes the splitters and at least two user devices (UD). One end of the splitter connects UD while the other connects DC. DC includes distribution ends (DE) of several UEs. DE of corresponding each UE includes the 1st end connecting UE splitter and the 2nd, 3rd ends connecting respectively the different OEs. The connecting module includes splitting units corresponding to DEs of all UEs. One end of each splitting unit connects the 1st end of DE while the other connects at least one end among the 2nd, 3rd ends of DE. This invention can lower device cost and reduce the engineering labor.

The invention discloses an absorption tower slurry spray cooling white removal device, which comprises a slurry cooling disc (2) and a flushing device (3), the slurry cooling disc (2) is arranged below a spray layer (4) and consists of a plurality of condensation modules (21), each condensation module (21) comprises an inlet header (22) and an outlet header (23), and a plurality of heat exchange coils (24) distributed in a staggered manner are arranged between the inlet header (22) and the outlet header (23); and the flushing device (3) comprises a flushing main pipe (31), the flushing main pipe (31) is provided with a plurality of flushing branch pipes (32) which extend into the slurry cooling disc (2) and are located on the two sides of the condensation module (21), and the flushing branch pipes (32) are provided with a plurality of flushing nozzles (33) facing the condensation module (21). The device has the characteristics of good white smoke removal effect, low operation and maintenance cost and high flue gas treatment efficiency.

The invention discloses circulating water power generation equipment and a process method thereof. The circulating water power generation equipment is characterized in that an impeller center shaft is provided with a bearing seat, the end of the impeller center shaft is provided with a first coupler and a second coupler, the outer end of the impeller center shaft is provided with a first-stage variable speed transmission large wheel, and the first-stage variable transmission large wheel and a first-stage variable speed transmission small wheel are installed in a transmission; the first-stage variable speed transmission small wheel is meshed with the first-stage variable speed transmission large wheel, a large belt pulley is mounted on a central shaft of the first-stage variable speed transmission small wheel, the large belt pulley is connected with a small belt pulley through a belt for transmission, the small belt pulley is mounted on a central shaft of a generator, a bearing seat is mounted on a rack, the rack is mounted in a pool, a distance is reserved between the water surface of the pool and an impeller, and a pump is mounted in the pool; one port of the pump is connected with a water inlet pipe and connected with a water feeding pipe through the pump, an upper port of the water inlet pipe is mounted in water of the pool, and the other port of the pump is connected with the water feeding pipe, a flushing tank is provided with a discharge jet, and a first included side, a second included side and a blade are fixed to a reinforcing rib. The equipment is simple in structure, convenient to mount and use and safe and reliable.

The invention relates to an overhaul vehicle and an overhaul system, belonging to the field of bridges. The overhaul vehicle includes the main truss, clamping assembly, lifting platform and rail clamping device. An overhaul vehicle is configured to provide an operating platform for an operator to walk and store overhaul equipment. The clamping assembly is used to connect the main truss to the mainbeam and allow the main truss to move along the main beam. The clamping assembly includes a support truss and a running wheel set, and the main truss is moved by the support truss driven by the running wheel set. A lifting platform is arranged between that two clam assemblies, and the lifting platform can drive the main truss to optionally ascend or descend relative to the main beam. A rail gripper is coupled to the support truss and is optionally capable of gripping and releasing the main beam, and the gripper operates independently of the running wheel set. The inspection vehicle in the example is stable and reliable, has good safety performance and is easy to operate and use. It can be used for omni-directional and stereoscopic inspection and maintenance of the bridge, and is suitablefor popularization and implementation.

The invention relates to a mining parallel compression-condensation type ventilation air methane heat pump heat supply system. The mining parallel compression-condensation type ventilation air methaneheat pump heat supply system comprises a first-stage direct evaporation heat removal compression-condensation parallel circulating unit, a second-stage direct evaporation heat removal compression-condensation parallel circulating unit, a user side heat and water supply water system unit, a second-stage heat removal defrosting unit and a self-cleaning unit. The step heat removal principle is utilized, the parallel compression-condensation technology is adopted, heat of mine ventilation air methane is transferred to a working medium circulating system in the system in a staged manner through aworking medium direct evaporation heat exchange manner, then heat is transmitted to heat user return water through a high-temperature condensation heat exchange manner, and therefore high-temperaturewater is provided for heat users. The two-stage series connection manner is adopted on the condensation heat exchange manner, the temperature difference of user side return water supply is increased,the pipeline construction quantity is reduced, and the overall energy efficiency of the heat supply system can be improved.

The invention discloses an impeller pipeline driving structure of circulating water power generation equipment and a process method of the impeller pipeline driving structure. The impeller pipeline driving structure of the circulating water power generation equipment is characterized in that an impeller is provided with reinforcing ribs, the reinforcing ribs are installed between a connecting disc and blades, an outer edge sealing plate and an inner edge sealing plate, the blades are installed between the outer edge sealing plate and the inner edge sealing plate for fastening, a water bucket is arranged on the top of the impeller, and an incidence pipe is arranged at the bottom of the water bucket; the incidence pipe faces the blades, a water outlet of a flushing pipe faces the water bucket, the flushing pipe is connected with a pump, the pump is connected with a pressure pipe, a port of the pressure pipe is connected into a water pool, and a circulating water opening is formed in the space between the water pool and a seat frame; and a driving shaft is arranged at the center of a connecting disc, a driving wheel is arranged at a port of the driving shaft, a driven shaft is arranged at the center of a generator set, the driven shaft is provided with a driven wheel, the driving wheel is meshed with the driven wheel, water of an incidence pipe opening rushes and presses the blades, the blades rotate along with the impeller, so that the driving wheel and the driven wheel are driven, and the driven wheel drives a generator to work. Working water flows down a circulating water port after passing through the blades and the impeller and enters the water pool to the next cycle for power generation. The structure is novel and advanced, and installation and use are convenient.

The invention discloses a sliding type delayed clothes hanger lifting device. The sliding type delayed clothes hanger lifting device comprises a seat body, a clothes rod fixed connecting part, a lifting rope and a sliding bolt; the clothes rod fixed connecting part is arranged on the upper part of the seat body; a limiting delayed groove is formed in the lower part of the seat body; a guide rail is arranged on the seat body, and the sliding bolt is arranged on the guide rail; the lifting rope penetrating through the sliding bolt and two ends of the lifting rope driving the sliding bolt to be away from the limiting delayed groove through tensioning force after being subjected to tensile force is arranged on the seat body; and a limiting sliding force part driving the sliding bolt to move tothe limiting delayed groove is arranged between the sliding bolt and the seat body. According to the sliding type delayed clothes hanger lifting device, rising, falling and high-order hovering of a clothes hanger can be conveniently realized, the sliding type delayed clothes hanger lifting device is suitable for different crowds for use, the adaptability is high, and the using is convenient; andmeanwhile, the structure is simple, and the production cost is low.

The invention discloses a freezer and a method for freezing in stages, which include a liquid distribution ring, a liquid collection ring, a tee, a freezing pipe, an upper frozen liquid supply pipe, a lower frozen liquid return pipe, and a lower frozen liquid supply pipe. The bottom end of the upper frozen liquid supply pipe and the lower frozen liquid return pipe and the lower frozen liquid supply pipe extend into the inside of the frozen pipe along the axis of the frozen pipe, and the upper frozen liquid supply pipe and the lower frozen liquid return pipe and the upper end of the lower frozen liquid supply pipe protrudes from the top of the frozen pipe; the distance between the bottom end of the lower frozen liquid supply pipe and the bottom of the frozen pipe is smaller than the distance between the upper frozen liquid supply pipe and the lower frozen liquid return pipe The distance from the bottom of the freeze tube. By freezing in stages, it can reduce the amount of cooling required for freezing, reduce the equipment in the freezing station, reduce the amount of equipment installation, reduce the area occupied by the freezing station, reduce the civil construction cost of the freezing station, and reduce the total cost of freezing. The freezing of the upper part of the wellbore is prevented, and the early excavation of the wellbore is realized.

The invention discloses a high-rise modular building and a construction method thereof, comprising several layer module units, the layer module units include several steel columns, main beams, and a modular box body, the modular box body includes wall modules, box body let The column module, the bottom surface module and the top surface module, the bottom surface module and the top surface module are respectively fixedly connected with the wall module and the box letting column module, the box letting column module corresponds to the position of the steel column, and the outside of the steel column is provided with a sealing plate, The sealing plate and the steel column are fixed, and the sealing plate and the box allow the column module to enclose the steel column. The high-rise modular building disclosed by the present invention is constructed by using steel columns, main beams and modular boxes directly processed in the factory. The construction method is simple, the installation process is simple, and a temporary connecting beam is built between the steel columns to improve the safety of the installation process.

The invention relates to a snow making and snow delivering system and an air cooler for the snow making and snow delivering system. The snow making and snow delivering system provided by the inventioncomprises an ice making module, a refrigeration module and a pneumatic snow delivering module. The air cooler provided by the invention comprises an air inlet portion, a cooling portion and an air outlet portion. The snow making and snow delivering system provided by the invention is less affected by seasons and climate, and is convenient to install, disassemble and transport and not high in siterequirements. The air cooler provided by the invention is mainly applied to the pneumatic snow delivering module, and can rapidly cool high-temperature and high-pressure air to a low temperature by cooperating the air cooler of the refrigeration module, so that media (slice ice, tube ice and the like) in a conveying pipeline can be guaranteed to reach a freezing point for use with high quality.