65results about How to "Less cleaning effort" patented technology

The invention relates to detection equipment of a film solar cell and a method thereof, belonging to the field of solar cell technology. The automatic detection equipment of the film solar cell comprises a workbench and an X-Y-Z shaft motion mechanism. A crossbeam of a Y shaft motion mechanism is connected with an X shaft. The detection equipment is characterized in that: the X shaft is provided with a CCD positioner with automatic origin positioning, a marking mechanism, and a Z shaft with a detection mechanism, a four-in-one machine with integration of positioning, X-Y-Z shaft motion, detection and marking is formed, the four-in-one machine is controlled by an industrial control computer program to detect electrical performance of each unit cell in a film solar cell core plate, and a qualified unit cell in detection is marked with a character. The detection equipment with the integration of positioning, X-Y-Z shaft motion, detection and marking can clearly identify and classify a qualified product and an unqualified product before a cutting procedure, possibility of mixing of the qualified product and the unqualified product in classification is eliminated, a production procedure is saved, and production efficiency is raised.

The invention discloses a round dining table capable of automatically removing tabletop garbage. The round dining table comprises a support column, a tabletop is fixedly arranged on the upper end surface of the support column, a cleaning device is arranged in the support column and the tabletop, the cleaning device includes a lifting cavity which is arranged in the center of the upper end face ofthe desktop and provided with an upward opening, the lower end of the lifting cavity extends into the upper end surface of the support column, the lifting cavity is internally provided with a rotatingblock which is arranged above the lifting plate and can slide up and down, a rotating device is arranged above the rotating block, and a lifting device is arranged in the support column. By means ofthe round dining table, after dining is finished and tableware is cleared away, the residual garbage on the tabletop can be cleared away; meanwhile, oil liquid and the like can be prevented from flowing to the ground from the tabletop, the ground is prevented from being infected with oil contamination difficult to clean, the workload of cleaning after dining is finished is greatly reduced, the burden is reduced, and influences of dining on cleanliness and aesthetics of a site are avoided.

The invention discloses a novel circuit board automatic milling machine. The milling machine comprises a micro motor, a horizontal moving device, milling cutters, a dust and water collection device, dust and water infiltration holes, a working platform, a collection box, a machine body, foot pads, a sliding groove guiding rail, a controller, a motor and a vertical moving device, the foot pads perpendicular to each other are installed on four corners of the bottom surface of the machine body, and the machine is provided with four foot pads. The novel circuit board automatic milling machine hasthe advantages that the automatic milling machine is provided with the dust and water collection device to separately collect dust and water while the dust and the water are collected by the dust andwater collection device, so that dust impurities are not splashed everywhere and cleaning is convenient, workloads of the cleaning are reduced, so that workloads of operators are reduced, water sources are not slashed everywhere, so that waste of the water sources is prevented and the water sources can be reused, and a good working environment is created for the operators, thereby guaranteeing physical health and mental health of the operators.

The invention relates to a photovoltaic laminating piece. The photovoltaic laminating piece comprises a transparent cover plate, a first sealing layer, a battery piece layer, a second sealing layer and a back plate which are laminated in sequence, wherein the battery piece layer comprises a plurality of connected battery pieces and a converge belt electrically connected onto the battery pieces; an electrode exposing hole is formed in the back plate, and the electrode exposing hole passes through the back plate and the second sealing layer so that the converge belt is leaked out. According to the photovoltaic laminating piece, the hidden cracking problem of the battery pieces caused by improper outgoing line penetration is avoided; and the manual workload can be greatly reduced. Moreover, the electrical connection quality of the photovoltaic laminating piece and a junction box is improved, the workload of subsequent cleaning stations is reduced, and the cleaning frequency and workload of a laminating machine are reduced. The invention also provides a preparation method of the photovoltaic laminating piece and a photovoltaic module comprising the photovoltaic laminating piece.

The invention discloses a dough kneading device and a dough kneading method. The dough kneading device comprises a dough pressing roll, a sheet-shaped bag body composed of an upper gasket and a lowergasket, and a U-shaped frame composed of a receiving box body and pressure strips; sealing clamps are arranged on two sides of the sheet-shaped bag body; a winding roll is arranged in the receiving box body; the bottom surface of the receiving box body is provided with a strip opening, an elastic sealing strip and a vacuum sucker; the front side edge of the lower gasket is connected with the winding roll; the dough pressing roll comprises a rolling shaft, a dough kneading roller which can sleeve the rolling shaft and a dough rolling roller; a plurality of hemispherical bulges are arranged on the circumferential surface of the dough kneading roller; and two ends of the rolling shaft are connected with the pressure strips on the left side and the right side respectively in a sliding manner.By adopting the dough kneading device, during dough kneading, the dough kneading roller rolls dry and wet raw materials in the sheet-shaped bag body and enables the rolled dry and wet raw materials toform a dough blank, then the sheet-shaped bag body is flattened, dough kneading is finished on the upper gasket and the lower gasket, and then fermentation and exhaust of a dough are finished in thesealed sheet-shaped bag body to start preparation of wheaten foods. The dough kneading device provided by the invention can effectively improve the preparation efficiency of the wheaten foods and is convenient in storage at the same time.

The invention discloses a storage cabinet convenient to use. The storage cabinet includes a base; a translation cavity which is provided with a leftward opening and communicates with the outside is formed in the base; a rotating motor is fixedly arranged on the right inner wall of the translation cavity; the left end of the rotating motor is in power connection with a rotating shaft; the rotatingshaft is in threaded connection with a bottom block; an inflating mechanism is arranged on the bottom block; two lifting blocks which are distributed left and right are fixedly arranged at the upper end of the bottom block; a lifting mechanism is arranged on the lifting block; a storage block is fixedly arranged at the upper end of the lifting block. The storage cabinet is simple in structure andconvenient to operate, when objects need to be taken out, the objects can automatically ascend and descend through mechanical transmission to achieve the purpose of conveniently taking the objects only by waiting for the objects to be automatically moved out and treading down a pedal, and when the storage cabinet needs to be cleaned, automatic cleaning can be achieved through mechanical transmission, so that the cleaning workload of workers is reduced.

The present invention discloses an elbow type head ground wire hanging apparatus, comprising a connector A (2), an operating lever (6), a connector B (7), and a prolongation screw (11). The elbow type head ground wire hanging apparatus is characterized in that: the front end of the operating lever (6) is provided with the connector A (2), the connector A (2) is connected with an electroscope (4) through a connecting line (3), the electroscope (4) is arranged on the operating lever (6), the rear end of the operating lever (6) is connected with the connector B (7), and the connector B (7) is provided with the prolongation screw (11); the head of the connector A (2) is provided with a small operating head (12), the external part of the small operating head (12) is provided with a multifunctional adapter (1) in a matching way; the operating lever (6) is made by an insulating material; the head of the connector B (7) is provided with a small notch (8) and a large notch (13) which are arranged vertically. The elbow type head ground wire hanging apparatus of the present invention has the advantages of simple structure, convenient operation, high efficiency, practicability, safety and reliability.

The invention discloses a construction method for recycling mortar and calibrating a plaster layer construction datum. The construction method includes: (1) manufacturing a construction ruler and anchor nails, wherein the construction ruler is provided with a plaster layer construction datum portion, a vertical portion and a mortar recycling portion; (2) fixing the construction ruler at a preset position via the anchor nails, wherein the plane of the vertical portion is a construction datum face of a plaster layer, and the sectional width of the construction datum face of the plaster layer is the construction datum width of the plaster layer; (3) constructing the plaster layer, and recycling mortar falling onto the mortar recycling portion effectively within an effective period of plaster construction until construction for the whole plaster layer of a wall is finished. The invention further discloses the construction ruler for implementing the construction method. According to the construction method, the construction datum face of the plaster layer is calibrated by the construction ruler, and the problem of paneling of anchor bricks is solved effectively.

The invention relates to a split type corner reflector of a synthetic aperture radar for interference remote sensing. The split type corner reflector comprises a triangular pyramid corner reflector (1) which is formed by connecting three pieces of same isosceles right-angled triangle aluminium plates and has a right-angled apex angle, wherein one piece of aluminium plate is used as a base plate (101), and the other pieces of aluminium plates are used as side plates (102 and 103); the split type corner reflector is characterized in that the bottom surface of the base plate is connected with a supporting plate (2) by a connecting rod; the sloping side of the base plate (101) upwarps so that the base plate (101) and the supporting plate (2) have an angle elevation of 10-30 degrees; a fixed support (4) is connected under a fixed plate (3); a connecting piece (301) is arranged on the fixed plate (3); and the supporting plate (2) is provided with a connecting hole (302) which is adaptive with the connecting piece (301). The corner reflector has the advantages of small occupied space, less space required, strong concealment, low manufacturing cost and the like, is convenient to use and easy to maintain and does not interfere agricultural production and transportation.

The invention discloses a rolling brush for a moisture-proof coating. The rolling brush comprises a roller and a cylinder-shaped charging barrel arranged below the roller in a sleeving mode, bristles are attached to the outer surface of the roller, rolling wheels are arranged on the four corners of the charging barrel, the common tangents between the rolling wheels are lower than the highest protruding point of the roller, connecting rods are hinged to the two side ends of the roller, the connecting rods are connected with a rolling brush rod through fixing rods, and multiple support rods fixed to the fixing rods are arranged on the lower portion of the charging barrel. The rolling brush for the moisture-proof coating is simple in structure, easy to manufacture and capable of effectively avoiding adhesion of rolling rods. The rolling brush for the moisture-proof coating has the advantages that time and labor are saved, the brushing efficiency is high, the use rate of the coating is high, the brushing cost is low, and the rolling brush is worthy of wide promotion.

The invention discloses a boiling water machine with a freely positioned water basin. The machine mainly consists of a main body of the boiling water machine, and a water basin, and is characterized in that a guide rail is arranged on one side, connected with the water basin, of the main body, and the water basin is connected with a bracket in a clamping groove manner for bearing; the tail end of the bracket is connected with a sliding block through a pin, and the sliding block slides on the guide rail. The boiling water machine disclosed by the invention is reasonable in structure, and skillful in conception, and the heat loss due to the spilling of boiling water is reduced, so that the cleaning workload of users is reduced, at the same time, the heat degree and the quality of drinks can be ensured, and the boiling water machine especially has an industry promotion value.

The invention discloses a refrigerating range hood. The refrigerating range hood comprises an air conditioning assembly and a lampblack assembly which are arranged side by side in the front-and-back direction. The lampblack assembly comprises a lampblack housing and a condensing member, wherein a lampblack discharging cavity is defined in the lampblack housing, a lampblack inlet and a lampblack outlet are formed in the lampblack discharging cavity, and the condensing member is used for condensing the lampblack passing through the lampblack discharging cavity into oil drops. According to the refrigerating range hood, the arrangement of the condensing member on the lampblack assembly facilitates the condensation of the lampblack passing through the lampblack discharging cavity into oil dropsto reduce the adhering of the lampblack on the lampblack assembly and the cleaning workload of a user, and the refrigerating range hood is convenient to clean, so that the problem of cleaning difficulty due to the fact that the refrigerating range hood is not cleaned for a long time in the prior art is solved.

Coolers for cooling pet food products and methods regarding same are presented. In an embodiment, the present invention provides a cooler comprising a chamber having product inlet, a product outlet and an air outlet, and at least one air duct having an exit opening so constructed and arranged for providing airflow into the product outlet.

The invention provides a sponge gluing process. The sponge gluing process is mainly completed by a sponge gluing machine in a matched mode and specifically comprises the following steps that S1, the machining height corresponding to the sponge gluing machine is adjusted according to the thickness of sponge to be machined, and then the sponge to be machined is placed on the sponge gluing machine; S2, the machining width corresponding to the sponge gluing machine is adjusted according to the width of the sponge to be machined; S3, the sponge gluing machine carries out heating treatment, so thatthe solid glue in the sponge gluing machine is liquefied into glue; S4, after the glue in the step S3 is completely liquefied, the sponge gluing machine carries out gluing operation on the sponge; thesponge gluing machine involved in the steps S1 to S4 comprises a glue box, two telescopic frame plates are arranged at the lower end of the glue box in a bilateral symmetry mode. The sponge gluing process is reasonable in structure, capable of conveniently gluing sponges of various widths and good in using effect.

The invention discloses an electrostatic elimination device. The electrostatic elimination device comprises a base, a cover body, a support and a negative ion generator, wherein an air cavity is formed in the base and is provided with a gas inlet and a gas outlet, the cover is connected with the base so as to limit an installation cavity, an air outlet is formed in the cover body, the support is arranged in the installation cavity, the negative ion generator is arranged on the support and is opposite to the air outlet, and the gas outlet is opposite to the air outlet. In the electrostatic elimination device, the air cavity is formed in the base, the gas inlet and the gas outlet are formed in the air cavity, the gas outlet is opposite to the air outlet, the negative ion generator is arranged in the installation cavity and is arranged between the gas outlet and the air outlet, gas in the air cavity is discharged out of the gas outlet, the generated negative ions is discharged into air through the air outlet to eliminate particle with positive electricity in the air, so that an electrostatic phenomenon in the air is eliminated. Moreover, the influence of change of a workshop environment such as temperature, humidity and power also can be prevented, and the maintenance such as cleaning workload is substantially reduced.

The invention discloses a multipurpose heating heat exchanger. The multipurpose heating heat exchanger aims at being more suitable for being used in homes. The multipurpose heating heat exchanger comprises a heating channel and a tap water channel. The outer shape comprises a plurality of round pipes arranged in parallel. The adjacent round pipes are fixedly connected to be in a pipe row shape through connecting pieces on the side faces of the two far ends of the round pipes, and an inner round chamfering seal head is welded to the end face of each round pipe. A plurality of expansion bolts used for mounting of the heating heat exchanger are further arranged. The round pipes arranged in parallel are arranged vertically, and buckling end covers with the shapes matched with the shapes of the ends of a pipe row are arranged at the upper end and the lower end of the pipe row correspondingly. Strip-shaped waterproof baffles the same in direction are arranged between the adjacent round pipes arranged in parallel in the pipe row shape, the whole waterproof baffles are located on the front portions of the planes of the center lines of the round pipes, the two side faces of each waterproof baffle are attached to the outer walls of the corresponding adjacent round pipes, and the waterproof baffles and the pipe row are buckled together through the buckling end covers. A fixed commodity shelf fastened through a nut and a commodity shelf capable of moving and deforming are mounted on a lead screw, stretching out of the pipe row, of each expansion bolt.

The invention discloses an on-bridge green belt construction process and a bridge construction through the process in the technical field of bridge greening. The process includes the following steps of S1, manufacturing groove beams, wherein U-shaped groove beams are prefabricated on site through concrete and steel strands; S2, hoisting the groove beams, wherein the U-shaped groove beams are hoisted to preserved positions on an on-bridge green belt; S3, laying pipelines, wherein water permeation and drainage pipes and mains supply pipelines are laid in the U-shaped groove beams; S4, wet connecting the ends, wherein concrete is poured in a seam between the ends of every two adjacent U-shaped groove beams for wet connecting; S5, backfilling planting layers, wherein the backfilling of the planting layers is conducted in the U-shaped groove beams, and the sinking type green belt is formed. The cross section of a bridge surface of the bridge constructed through the process and the cross section of roads at the two ends of the bridge are consistent in side, the slow car and fast car driving safety are effectively ensured, the landscape on the bridge is maintained, the pipelines in the green belt smoothly pass by the bridge, and meanwhile the cleaning workload of the bridge surface can be effectively reduced due to the sinking type structure of the green belt.

The invention discloses an intelligent cleaning and sun-shading high-rise building curtain wall. The intelligent cleaning and sun-shading high-rise building curtain wall comprises a wall body, a ventilation cavity with a leftward opening is formed in the wall body, a fan cavity is formed in the right side of the ventilation cavity, a ventilation device is arranged in the fan cavity, a power cavityis formed in the lower side of the fan cavity, a main motor is fixedly arranged in the upper end wall of the power cavity, a switching device is arranged in the power cavity, and the switching devicecomprises a switching block fixedly arranged in the power cavity. According to the intelligent cleaning and sun-shading high-rise building curtain wall, it can be guaranteed that indoor air circulates all the time, the indoor air quality is advantageously improved, the entering amount of external sunlight can be changed, and therefore automatic adjustment can be carried out according to the actual requirement of a user, and the labor intensity of the user is reduced.

A low-altitude electrostatic oil fume purifier of the present invention comprises a wet-type electrostatic purification system and an adsorption purification mechanism connected with the wet-type electrostatic purification system. The wet-type electrostatic purification system comprises a shell, a control electric box and a fire extinguishing system which are installed at the two sides of the shell respectively, a direct-current high-voltage power source is arranged in the control electric box, and a cylindrical honeycomb electric field electrically connected with the direct-current high-voltage power supply is arranged in the shell. The adsorption purification mechanism comprises an exhaust fume collecting hood and a plurality of filter units connected with the exhaust fume collecting hood, a plurality of oil fume extraction motors are arranged in the exhaust fume collecting hood, the bottoms of the oil fume extraction motors are connected with filter pipelines, and each filter unit comprises a water tank containing oil absorption alkali liquor, a filter material layer and a vertical filter material net which are arranged in the water tank. One end, far away from the oil smoke exhaust motor, of each filter pipeline penetrates through the filter material layer and extends into the oil absorption alkali liquor of the water tank box, the vertical filter material net is fixed on the inner wall of the water tank box above the filter material layer, and an exhaust port connected with the vertical filter material net is formed at the edge, close to the opening, of the water tank box.

The invention discloses an environment-friendly grinding device with convenient washing performance for machining. The environment-friendly grinding device with the convenient washing performance formachining comprises a rack, a dust collecting assembly and a grinding assembly, wherein a dust suction opening is formed in the rack, the dust collecting assembly comprises a dust cover, a door plateand a dust suction mechanism, the dust cover covers the rack to form a working chamber with an opening in one side, the door plate is hinged to the dust cover to open or close the opening, and the dust suction mechanism communicates with the dust suction opening; the grinding assembly is arranged inside the working chamber, and the grinding assembly comprises a base, a lifting table, a clamp and agrinding main shaft. According to the environment-friendly grinding device with the convenient washing performance for machining, through the dust suction mechanism, dust generated by grinding is collected, the working environment of a production workshop is guaranteed, and the environment-friendly performance is improved; and only the clamp and the grinding main shaft need to be deeply cleaned in subsequent cleaning process, so that the cleaning difficulty and workload are greatly reduced.

The invention provides a wireless control system for an aero seat. The wireless control system comprises a mobile terminal, a seat adjusting module and a communication interaction module which are connected through wireless communication, the mobile terminal is used for generating a control instruction; the communication interaction module is used for receiving the control instruction and generating an action execution command according to the control instruction; and the seat adjusting module is used for adjusting the posture of the aero seat according to the action execution command. Signal lines do not need to be laid, and the weight of a cabin is reduced. Moreover, the passenger can adjust the posture of the aero seat through the mobile terminal, adjustment through a public PCU is not needed, frequent contact and use of public equipment in the epidemic situation period are reduced, potential safety hazards are avoided, and meanwhile the cleaning workload of an airline driver is reduced. In addition, the posture of the aero seat is adjusted through the mobile terminal, and adjustment is convenient and fast.

The invention discloses a diseased animal isolation cage for animal husbandry veterinarians, and particularly relates to the technical field of diseased animal isolation cages. The diseased animal isolation cage comprises a cage body and a cage door, wherein the cage door is arranged on the front surface of the cage body; a supporting piece is arranged on the side surface of the cage body; a deodorizing piece is fixedly mounted at the top end of the interior of the cage body; a bse is arranged below the cage body; a funnel is arranged in the base; a sealing piece is arranged on the lower surface of the funnel; an induction piece is arranged on the inner wall of the base; and a flushing piece is arranged in the base. Through the overall design, the funnel is driven to move downwards by utilizing the gravity of excrement; a contact type sensor senses the falling of the excrement and then controls clean water in the water storage tank to flush the excrement; the odor of sewage after flushing is blocked by a turnover type movable plate; the excrement can be efficiently flushed; the odor can be isolated; a large amount of bacteria are prevented from being bred due to accumulation; thus,the interior of the cage body is tidier and cleaner; and the use safety of the cage body is improved.

The invention discloses an environmentally friendly grinding device for mechanical processing that is easy to clean; the environmentally friendly grinding device for mechanical processing that is easy to clean includes a frame, a dust collection assembly and a grinding assembly; a dust suction port is provided on the frame, and the dust collection assembly includes a dustproof Dust cover, door panel and dust suction mechanism, the dust cover is set on the frame to form a working chamber with one side opening, the door panel and the dust cover are hinged to open or close the opening, the dust suction mechanism communicates with the dust suction port; grinding The assembly is arranged in the working chamber, and the grinding assembly includes a base, a lifting platform, a fixture and a grinding main shaft. The invention collects the dust produced by grinding through the dust suction mechanism, ensures the working environment of the production workshop, and improves the environmental protection performance. Subsequent cleaning only requires deep cleaning of the fixture and grinding spindle, which greatly reduces the cleaning difficulty and workload.

The invention belongs to the construction field of compressor units, and particularly relates to a protective demolition method for a large oxygen turbine compressor unit. The protective demolition method is characterized by comprising the steps that demolition preparation is conducted; an electrical instrument system is detected; the electrical instrument system is demolished, specifically, during demolition, a sensor is demolished firstly, and then an in-place transmitter, a connecting control line and a cable bridge are demolished sequentially; a pipeline system is demolished, specifically,a cooling water pipe, a lubricating oil pipe and an instrument air pipe are demolished; a coupling is demolished; a compressor, a main motor, an oil tank and a cooler are demolished synchronously; and finally, an air inlet, an exhaust opening, a water inlet and a draining opening of the cooler are all sealed, wherein the air inlet and the exhaust opening are subjected to nitrogen sealing. According to the protective demolition method, the large oxygen turbine compressor unit is demolished through the six steps, the core parts are protected in a pointed mode, thus equipment integrity and cleanliness are effectively ensured, the cleaning workload during re-construction installation is substantially decreased, and the protective demolition method is a new demolition technology of the large oxygen turbine compressor unit.

The invention provides a sponge gluing process, which is mainly completed by a sponge gluing machine. The sponge gluing process specifically includes the following steps: S1. Adjust the corresponding processing height of the sponge gluing machine according to the thickness of the sponge to be processed , and then the sponge to be processed is placed on the sponge gluing machine; S2, adjust the corresponding processing width of the sponge gluing machine according to the width of the sponge to be processed; S3, the sponge gluing machine is heated, so that the The solid glue in the sponge gluing machine is liquefied into glue; S4, after the glue in step S3 is completely liquefied, the sponge gluing machine performs gluing operations on the sponge; the sponge involved in the above steps S1 to S4 The gluing machine includes a glue box, and the lower end of the glue box is symmetrically provided with two telescopic shelves. The invention has a reasonable structure, is convenient for gluing sponges of various widths, and has good application effect.

By using a combined hydrophobic or superhydrophobic and / or ion-releasing surface, a shopping cart or transport container is obtained that has the additional feature of not providing any environment that permits the survival of pathogens.

The invention discloses a novel circuit board automatic milling machine. The milling machine comprises a micro motor, a horizontal moving device, milling cutters, a dust and water collection device, dust and water infiltration holes, a working platform, a collection box, a machine body, foot pads, a sliding groove guiding rail, a controller, a motor and a vertical moving device, the foot pads perpendicular to each other are installed on four corners of the bottom surface of the machine body, and the machine is provided with four foot pads. The novel circuit board automatic milling machine hasthe advantages that the automatic milling machine is provided with the dust and water collection device to separately collect dust and water while the dust and the water are collected by the dust andwater collection device, so that dust impurities are not splashed everywhere and cleaning is convenient, workloads of the cleaning are reduced, so that workloads of operators are reduced, water sources are not slashed everywhere, so that waste of the water sources is prevented and the water sources can be reused, and a good working environment is created for the operators, thereby guaranteeing physical health and mental health of the operators.

The invention discloses a method for decorating a smooth surface, a kit and application of plasticine to decoration. The method used for decorating the smooth surface comprises the following steps ofproviding the plasticine, wherein the plasticine comprises wax, oil and starch which are harmless for the health; forming the plasticine as the decoration; mounting the decoration on the smooth surface; removing the decoration from the transparent surface; and using the decoration again for serving as the plasticine for re-decorating the transparent surface. According to the method, the decorationof the smooth surface can be improved.

The invention discloses a high pressure steam depressurization, cooling and noise reduction system. The high pressure steam depressurization, cooling and noise reduction system comprises a boiler island that outputs the high pressure steam, the boiler island is connected to the inlet end of a high pressure steam depressurization valve through a high pressure steam main, and the outlet end of the high pressure steam depressurization valve is connected with a low pressure steam pipe through a noise reduction plate; and a pressure controller for controlling the steam pressure of the low pressuresteam pipe is further arranged on the low pressure steam pipe, the low pressure steam pipe is connected with a steam turbine unit, the noise reduction plate is a circular plate, a through hole capableof allowing the steam to circulate is formed in the center of the noise reduction plate, eight counter bores are evenly formed in the end, close to the low pressure steam pipe, of the noise reductionplate, the eight counter bores are distributed by surrounding the through hole, and a nozzle is welded to each counter bore and arranged in the steam flow direction. The high pressure steam depressurization, cooling and noise reduction system reduces the workload of pipeline cutting and reduces the workload of pipeline cleaning, and can realize high pressure steam depressurization, cooling and noise reduction without destroying the original steam pipe arrangement.

The invention discloses a range hood, which comprises a casing, a panel arranged at the opening of the front side of the casing, and a smoke baffle assembly, the panel is provided with an air inlet, and the feature is that the smoke baffle assembly It includes a smoke baffle that can open or close the air inlet, and can swing left and right and up and down to adjust the gap with the air inlet. When the air inlet is opened, a ring suction is formed between the smoke baffle and the air inlet. Also disclosed is a control method for the range hood as described above. Compared with the prior art, the present invention has the advantages that: by setting the smoke baffle with two rotational degrees of freedom and one translational freedom, a ring suction opening is formed between the smoke baffle and the panel, and through the smoke baffle Position control, the ring suction gap can be adjusted as a whole, or independently from left to right or up and down, so as to control the negative pressure distribution of the air inlet at different positions to cope with complex user environments.