34results about How to "Guaranteed pressure" patented technology

This utility model discloses an ozone advanced oxidation tail gas recovery and utilization device, including an ozone tail gas inlet pipe and a primary purification tower and a secondary purification tower connected in sequence. The rear end of the secondary purification tower is connected to an ozone buffer tank. The primary and secondary purification towers are connected to the ozone tail gas inlet pipe through an ozone circulation pipe. Both the primary and secondary purification towers are connected to sodium hydroxide dosing tanks. This application uses a secondary ozone purification tower to purify the tail gas after ozone catalytic oxidation, recover and utilize the remaining ozone, improve ozone utilization rate, and reduce costs. At the same time, it absorbs the carbon dioxide after catalytic oxidation to produce a high-purity sodium carbonate solution for downstream use as a raw material, achieving waste resource recycling.

The utility model discloses an orthosis for preventing underarm scar contracture of a burn patient, which comprises a neck fixing strip, a shoulder lapping piece is fixedly arranged on the side of the bottom end of the neck fixing strip, one side of each first tensioning strip is rotatably connected with a first movable column, an underarm orthosis mechanism comprises an arc-shaped supporting piece, and the arc-shaped supporting piece is fixedly connected with the shoulder lapping piece. Adjusting long holes are formed in the two sides of the inner wall of the arc-shaped supporting piece correspondingly, and two limiting sliding blocks are slidably connected into each adjusting long hole. The armpit orthopedic mechanism is arranged between the first movable columns connected through the first tensioning strip, the limiting sliding block is connected with the arc-shaped filler strip, and the rubber stud is rotationally connected with the arc-shaped contact net piece, so that the orthopedic device is better in ventilation effect, dryness and ventilation of a burn position are guaranteed, recovery of an affected part is promoted, and it is guaranteed that a gap is formed between the arc-shaped supporting piece and the affected part; meanwhile, the arc-shaped supporting piece and the arc-shaped contact net piece generate pressure on the scar, so that the problem of scar contracture is solved while the ventilation effect is guaranteed.

The embodiment of the utility model discloses a refrigerant heater. The refrigerant heater comprises a snakelike flat pipe, the snakelike flat pipe comprises a plurality of U-shaped bent parts and a plurality of flat pipe sections arranged in parallel in the first direction, and the flat pipe sections are connected through the U-shaped bent parts to form a continuous flow channel; at least two flat tube runners are arranged in the snakelike flat tube; the flat pipe flow channels are arranged in parallel in the second direction and are used for refrigerant circulation; wherein the first direction is perpendicular to the second direction; and the at least one heating sheet is arranged between the adjacent flat pipe sections. According to the embodiment of the utility model, the problem that the existing energy storage battery pack lacks a small refrigerant heater which is not in direct contact with a refrigerant is solved, and meanwhile, the problem of dry burning caused by non-uniform refrigerant distribution is avoided.

The application discloses a pressurized water injection device, which comprises a first pipe body, a second pipe body and a telescopic part. The second pipe body is arranged in the first pipe body, and the telescopic part is arranged in the second pipe body and can reciprocate along the axial direction of the second pipe body. The telescopic part comprises a telescopic rod and a third pipe body connected with the telescopic rod. A guide assembly is arranged between the telescopic rod and the second pipe body. The guide assembly comprises a support. The support is provided with a first guide body and a second guide body. The surface of the telescopic rod is provided with a guide groove extending along the axial direction of the telescopic rod. The first guide body and the second guide body are embedded in the guide groove so that the first guide body and the second guide body are arranged along the axial direction of the telescopic rod and can move along the guide groove. The first guide body and the second guide body can limit the moving direction of the telescopic rod, thereby ensuring the axial movement of the telescopic rod along the second pipe body, preventing the offset between the third pipe body and the second pipe body, ensuring the sealing performance between the second pipe body and the third pipe body, and thereby ensuring the pressure of water injection.

This invention belongs to the field of waste lubricating oil regeneration technology, specifically a purification device for waste lubricating oil regeneration, comprising a base; a rotating tube rotatably connected to the top surface of the base, and the rotating tube being driven by a servo motor; an oil inlet pipe fixedly connected to one side of the base, and the oil inlet pipe being rotatably connected to the rotating tube; multiple evenly arranged oil outlets opened at the bottom of the rotating tube; a sleeve fixedly connected to the surface of the rotating tube; multiple evenly arranged discs fixedly connected to the outer surface of the sleeve; by pressing down a pressure rod, the pressure rod drives the connecting ring to move downward, and the descending connecting ring drives the scraper to descend together. During this process, the scraper scrapes the inner wall of the separator, thereby scraping off the sludge and impurities from the inner wall of the separator and discharging them through the slag discharge assembly, thus completing the cleaning of the inner wall of the separator, thereby ensuring the usable volume of the separator, and thus ensuring the purification efficiency of the embodiment of this invention.

The application discloses a cable-making machine for electric power, and belongs to the cable processing field.The cable-making machine comprises a base, a winding mechanism is arranged on one side of the upper surface of the base, a guide sleeve is arranged at the middle of the upper surface of the base, supporting blocks are fixedly connected to the other side of the upper surface of the base, drive motors are fixedly connected to one side of the supporting blocks, output ends of the drive motors are fixedly connected with rotating plates, and wire winding rollers are rotatably arranged on one side of the rotating plates.The cable-making machine can realize the following functions: when the cable on the wire winding roller becomes less and less, the cable becomes more and more relaxed, the supporting force of the first guide roller decreases, the rectangular frame is pulled down through the extension rod under the pulling force of the first spring, the relaxed cable is pressed down by the first guide roller, the cable is straightened again, the multiple cables can be tightly wound together when the cable is made, a certain pressure exists between the cables, and the made cable is more compact and is not easy to be loosened.

The utility model relates to working fluid filtering treatment technical field, and disclose advanced ceramic grinding processing working fluid filtration supply system, including the casing, still include: the baffle, the baffle fixedly connected in the casing, the casing front side is provided with the supply area, the casing right side is provided with the reflux area, the casing is provided with the filter mechanism, the filter mechanism surface is provided with the assembly mechanism, the filter mechanism includes: terminal filter, terminal filter fixedly connected in the casing, this advanced ceramic grinding processing working fluid filtration supply system, through setting up the supply area to the working fluid and makes the whole device to the working fluid supply of processing area and to the filtration of working fluid separate, namely, supply pump and reflux filter assembly independent work, both ensure the double -deck effective filtration to working fluid, and can ensure the flow and pressure of working fluid supply to processing area.

The utility model provides a high-temperature-resistant wide-mouth bottle, which relates to the technical field of wide-mouth bottles, and comprises a bottle body and a reinforcing assembly arranged on the inner side of the bottle body, the reinforcing assembly comprises a pressure-resistant assembly arranged on the peripheral side of the bottle body and a pressure relief assembly arranged on the outer side of the end part of the bottle body, the pressure-resistant assembly is used for improving the high-temperature resistance of the bottle body, corrosion of high-temperature objects or liquid to the device can be effectively resisted through the first composite layer, the second composite layer and the third composite layer, the service life of the device is prolonged, compared with a container made of a traditional material, the applicability in the high-temperature and strong-corrosion environment is greatly improved, and the use is convenient. The heat insulation design of the second composite layer remarkably reduces heat loss, keeps the high-temperature environment in the bottle stable, and reduces energy consumption.

This utility model discloses a high-pressure reactor sealing structure, relating to the field of reactor sealing technology. It includes an upper flange and a lower flange. The lower flange has a sealing groove on its inner side, and a sealing gasket is installed inside the sealing groove. A fixing ring is located above the upper flange, and a rotating seat is located around the outer perimeter of the fixing ring. A fixing hook is rotatably connected to the rotating seat via a rotating shaft. The lower end of the fixing hook hooks onto the outer surface of the lower flange. A hydraulic cylinder is located at the center of the lower surface of the fixing ring, and the lower end of the hydraulic cylinder abuts against the upper flange. Hydraulic oil distributors are located on both sides above the upper flange. The two hydraulic oil distributors are connected to the hydraulic cylinders on both sides via pipes. This design delays the aging and deformation cycle of the sealing gasket structure and provides a fixing method where the hydraulic cylinder and the fixing hook cooperate, ensuring the pressure inside the tank while facilitating the opening of the end cap.

The present application relates to steel ball precision processing technical field, specifically to a kind of precision bearing steel ball precision grinding with no liquid pressurizing equipment, including: processing box, the processing box is used to hold precision grinding fluid, the outer wall of the processing box is fixedly connected with support, the top of the support is fixedly connected with adjusting mechanism, the bottom of the adjusting mechanism is slidably connected with dynamic plate, the present application is adjusted dynamic plate position quickly, accurately according to different size steel ball, ensure that dynamic plate and steel ball are closely matched in precision grinding process, and the height of adjusting dynamic plate is adjusted by the rotation of adjusting screw, on the basis of ensuring pressurizing degree, without using oil as medium, avoid oil leakage, pressure instability, pollution environment, worker falls and many other undesirable phenomena caused by using oil, fundamentally solve the problem, ensure the smooth progress of mill ball, ensure product quality, enhance the versatility and practicality of equipment.

This invention relates to a shock tube gas distribution method and system. During shock tube experimental gas preparation, a gas distribution column and a mixing tank are used in conjunction to actively control the internal pressure of the gas distribution column. An additional pressure-reducing stage is added between the gas cylinder and the mixing cylinder. The gas distribution column buffers large fluctuations in gas flow and pressure, resulting in a more stable gas flow and significantly improving the accuracy of the experimental gas component ratio. Simultaneously, the mixing tank has only one inlet connecting to the gas distribution column and one outlet connecting to the shock tube, improving the tank's strength and pressure-bearing capacity, and enhancing gas distribution safety.

The utility model discloses a pulverized coal spray gun suitable for a molten pool smelting process, the pulverized coal spray gun sequentially comprises an oxygen-enriched outer pipe, an oxygen-enriched inner pipe and a pulverized coal pipe from outside to inside, and the center lines of the oxygen-enriched outer pipe, the oxygen-enriched inner pipe and the pulverized coal pipe are kept consistent; the tail end of the oxygen-enriched outer pipe is connected with a flow stabilizing chamber, the side, close to the flow stabilizing chamber, of the oxygen-enriched outer pipe is connected with a gas distribution main pipe, and the other end of the gas distribution main pipe is connected with a quick release connector; the middle part of the gas distribution main pipe is connected with a gas distribution branch pipe which is communicated with the flow stabilizing chamber; a flow limiting plug is arranged at the front end of the oxygen-enriched outer pipe, and a plurality of flow guide holes communicated with the outside are evenly formed in the flow limiting plug in the circumferential direction. A plurality of pressure balance holes are formed in the position, close to the flow limiting plug, of the front end of the oxygen-enriched inner pipe, and the pressure balance holes are evenly formed in the circumferential direction of a pipe body of the oxygen-enriched inner pipe. The structure of the spray gun is optimized, the spray gun is replaced during production, the production efficiency is greatly improved, and the labor intensity is reduced.

The utility model discloses a kind of based on capacitor processing's impregnation tool, it is related to capacitor processing technical field, including impregnation mechanism, the left side of the impregnation mechanism is provided with suction mechanism, the top of the impregnation mechanism is provided with working mechanism, the impregnation mechanism includes impregnation box, the inside of the impregnation box is provided with inner chamber, the bottom of the impregnation box is fixedly connected with support leg around, the top of the impregnation box is fixedly connected with connecting support, the top of the connecting support is fixedly connected with operating box, the front of the operating box is provided with operating panel. The utility model is through the design of suction mechanism, when capacitor is impregnated, start vacuum machine first to extract vacuum inside impregnation box, so that capacitor is in negative pressure state, then pressurize, so that impregnation solution fully impregnates capacitor, greatly improves impregnation effect, so that impregnation time is greatly shortened, improve product quality, and improve the performance of capacitor.

The present application belongs to the technical field of cold header, especially relates to a cold header for metal processing and a use method thereof; the cold header comprises: a machine base; a plurality of fixed dies which are arranged side by side and equidistantly; a plurality of movable dies which are respectively arranged opposite to one fixed die; a plurality of stamping mechanisms which respectively drive one movable die to stamp in the direction of the corresponding fixed die; a hydraulic control oil circuit which is used for driving the stamping mechanisms to operate; wherein the hydraulic control oil circuit comprises: an oil tank in which hydraulic oil is stored; an oil supply driving assembly which is used for pumping the hydraulic oil in the oil tank; an oil inlet conveying system which is used for conveying the hydraulic oil pumped by the oil supply driving assembly to each stamping mechanism; an oil return conveying pipe fitting which is used for receiving the hydraulic oil discharged by the stamping mechanism and returning to the oil tank; wherein the stamping mechanism is provided with a stamping cavity and a return cavity; through the setting of the hydraulic control oil circuit, the stamping pressure of different stations is respectively controlled, the stamping pressure is ensured, and the finished product rate of the produced metal piece is improved.

The utility model discloses a kind of even force buffer of ironing machine pressing plate, it is related to ironing machine technical field, comprising: several buffer components are arranged below lifting platform;Buffer component is below being provided with upper pressing plate, upper pressing plate is damped and buffered by buffer component, the lower portion of lifting platform is provided with adjusting plate, adjusting plate is drivingly connected with the upper portion of buffer component, the top of adjusting plate is provided with the transmission component that is penetrated to the upper portion of lifting platform, the top of transmission component is equipped with transmission mechanism.In using the ironing machine, operator is driven lifting platform to descend by pneumatic cylinder, so that under the action of buffer component, make upper pressing plate press in the upper portion of clothes, utilize buffer component to play the purpose of even force and buffering, avoid to press and break clothes, simultaneously after upper pressing plate contact clothes, start drive rod piece drive transmission mechanism and transmission component movement, make transmission component descend drive adjusting plate to buffer component again pressure, guarantee the pressing force of upper pressing plate to clothes.

This invention discloses a basalt fiber thermoplastic preimpregnation device, comprising a processing table, with a first support frame and a second support frame fixedly connected to both sides of the top of the processing table. A yarn guiding device is installed on the first support frame, and a winding device is installed on the second support frame. The preimpregnation assembly includes an impregnation mold and a third support frame, the third support frame being fixedly connected to the top of the processing table. The impregnation mold is mounted on the third support frame, and the yarn guiding device and winding device are respectively configured corresponding to the impregnation mold. The impregnation mold is used for preimpregnating basalt fibers. A quantitative conveying component is mounted on the impregnation mold for conveying the preimpregnated resin to the basalt fibers within the impregnation mold. A cleaning component is mounted on the impregnation mold for cleaning the impregnation mold. This invention achieves stable conveying pressure of the preimpregnated resin, improves the overall impregnation effect, cleans residual preimpregnated resin, avoids oxidation, yellowing, or carbonization of preimpregnated resin accumulated internally over a long period, and ensures continuous production.

A low-temperature supercooling perforated plate flow measuring device is characterized in that a liquid nitrogen supply device is communicated and connected with a low-temperature supercooling device, a measuring system is in electric signal connection with the low-temperature supercooling device, and high-pressure and high-temperature liquid nitrogen in a pipeline exchanges heat with normal-pressure and low-temperature liquid nitrogen in a normal-pressure liquid nitrogen storage tank through a coil heat exchanger; and the high-pressure liquid nitrogen in the pipeline is subjected to normal-pressure liquid nitrogen evaporation and heat absorption so as to be converted into a supercooled state, so that the saturated vapor pressure of the high-pressure liquid nitrogen is reduced, the differential pressure flowmeter has higher pressure drop margin when being used for throttling and depressurizing flow measurement, and cavitation is reduced. Key physical parameters such as the temperature and pressure of fluid in a pipeline and orifice plate throttling pressure difference can be obtained in one experiment, the problem that gas-liquid two-phase flow is prone to occurring when the low-temperature fluid is measured through a differential pressure type flowmeter is solved, and accurate measurement of the flow of the low-temperature fluid is achieved; the device can be applied to flow measurement of low-temperature fluid such as low-temperature liquid nitrogen and liquid oxygen.

This utility model discloses a pigging device for oil and gas chemical terminals. The pigging device includes a flange cover, a flange, a purge port, a pressure gauge port, an exhaust port, a ball retainer, a reducer, a first valve, a second valve, a first pipeline, a second pipeline, a third pipeline, and a fourth pipeline. The pigging device uses a pig for cleaning, and the pig includes a cleaning layer, a fixing core, and baffles. The flange cover is used to seal the open end of the equipment and prevent internal media leakage. The purge port is used to connect external purge media to the pipeline system, pushing the pig to perform the cleaning operation and ensuring that the pressure of the pigging device drops to a safe range. The ball retainer, through mechanical buffering and positioning, ensures the safety and reliability of the pig's deployment and retrieval process, while reducing equipment wear. This pigging device for oil and gas chemical terminals can solve the problem of cleaning oil and gas chemical pipelines in port engineering. Furthermore, this device is easy to operate, occupies a small area, and requires low investment.

This invention relates to the field of mixing equipment technology, specifically to a microwave-high pressure synergistic mixing device for mica paper binder. It includes a support frame, on which a horizontally arranged mixing tank is mounted. A main motor is mounted on the support frame, and the output end of the main motor is connected to a stirring shaft extending into the mixing tank. A booster pump is mounted on the support frame, and the output end of the booster pump extends into the mixing tank. A microwave heater is mounted on the top of the mixing tank, with its microwave output end facing the interior of the mixing tank. A stirring paddle is connected to the outer wall of the stirring shaft, and an elastic scraper is connected to the stirring paddle. This invention, by integrating microwave bulk heating and a pressurized environment, prevents wall adhesion and bubble generation from the source. Its elastic scraper has a periodic self-cleaning function, which can powerfully remove its own and the tank wall's adhering materials, reducing secondary accumulation. Combined with a dynamic flow guiding design, it forms a high-intensity changing flow field, achieving efficient material dispersion.

The application relates to the field of agricultural equipment and discloses a static pesticide and fertilizer mixing device, a direct injection type online pesticide and fertilizer mixing system and agricultural machinery. The static pesticide and fertilizer mixing device comprises a pesticide and fertilizer mixing device shell (100) and multiple groups of pesticide mixing units (200) arranged in the pesticide and fertilizer mixing device shell at intervals along the axial direction. Each group of pesticide mixing units comprises a first spoiler group and a second spoiler group arranged oppositely and respectively attached to the inner wall surface of the pesticide and fertilizer mixing device shell. The first spoiler group and the second spoiler group respectively have multiple inclined spoilers arranged at intervals along the axial direction and respectively formed with multiple flow holes. The inclined spoilers of the first spoiler group and the second spoiler group are arranged at an inclined direction opposite to each other and inclined to the axial direction of the pesticide and fertilizer mixing device shell. The static pesticide and fertilizer mixing device can ensure a low pressure drop, good mixing uniformity and a smallest possible uniformity variation coefficient, thereby improving the performance of the direct injection type online pesticide and fertilizer mixing system.

The invention discloses compression molding equipment and method for building energy-saving glass, and the method comprises the following steps: in a heating stage, adopting model prediction control to dynamically adjust the heating power, so as to minimize the temperature difference between the surface and the core part of a glass blank and enable the glass blank to accurately reach the temperature corresponding to the target viscosity at the target time; in the pressurization stage, the glass viscosity is inversed in real time based on the initial contact pressure and the flow speed, and the pressure is calculated and adjusted in real time in combination with the mold flow resistance function changing along with the filling volume and the remaining filling time; in the cooling stage, an initial residual stress field is rapidly calculated based on the final pressure, temperature distribution and a viscoelastic model, and the safe cooling rate is dynamically decided according to the maximum tensile stress, the product thickness and the shape complexity. The equipment comprises a rack mold closing mechanism, a mold unit, a heating unit, a pressurizing unit, a cooling unit and a control unit.

The utility model belongs to the technical field of medical instruments, and discloses an atomization humidification and nasal moisture absorption device and a control terminal for a dispersion type oxygenerator, the atomization humidification and nasal moisture absorption device comprises a cup body and an atomization assembly, the cup body is provided with a first liquid containing cavity and a second liquid containing cavity, the first liquid containing cavity is provided with an oxygen inlet and an oxygen outlet, and the second liquid containing cavity is provided with an oxygen outlet. The atomization assembly is used for atomizing liquid contained in the second liquid containing cavity and enabling the atomized liquid to be sprayed out of the second liquid containing cavity, and then a humidifying cup and a humidifying cup in the prior art are integrated together so that the effect that miniaturization design can be conveniently conducted on the control terminal can be achieved; the number of parts needing to be assembled when the control terminal is assembled is reduced, so that the assembly efficiency of the control terminal is improved, and the assembly cost of the control terminal is reduced.

This invention discloses a gas path control system for a semiconductor device and the semiconductor device itself. The gas path control system includes a vacuum gas path system, which comprises a main vacuum gas path, vacuum load units, branch paths, and a pressure control component. The main vacuum gas path is connected to a vacuum source. At least two vacuum load units are used to perform wafer adsorption operations. A branch path is configured one-to-one with a vacuum load unit, and each vacuum load unit is connected to the end of its corresponding branch path. The pressure control component is located upstream of the adsorption surface of each vacuum load unit. When the load end of a vacuum load unit is in an unloaded state, the gas path is closed. When the load end is in an adsorption state, the gas path is open. Therefore, this invention can prevent a sudden drop in vacuum pressure within the vacuum gas path from affecting the adsorption pressure values ​​of other vacuum load units, reducing the frequency of device alarms.

The utility model discloses an upper cylinder block mold of a hybrid power engine. The upper cylinder block mold comprises an upper mold base, a lower mold base, a first mold closing mechanism, a second mold closing mechanism, a third mold closing mechanism and a fourth mold closing mechanism, after the upper mold base, the lower mold base, the first mold closing mechanism, the second mold closing mechanism, the third mold closing mechanism and the fourth mold closing mechanism are closed, a first mold closing surface, a second mold closing surface, a third mold closing surface, a fourth mold closing surface, a lower mold surface and an upper mold surface form a pouring cavity; the lower end of the pouring hole is blocked by the upper surface of the first mold closing block; the lower surface of the pouring groove is blocked by the upper surface of the first mold closing block, the upper surface of the second mold closing block and the upper surface of the third mold closing block; the upper surface of the slag discharge groove is blocked by the lower surface of the fourth mold closing block; the upper surface of the slag groove is sealed by the lower surface of the upper die base to form a slag cavity. The die-casting die is suitable for cylinder block die-casting of the hybrid power engine, and it is guaranteed that die-cast products are suitable for special use working conditions of the products.

The utility model relates to the technical field of powder metallurgy forming pressurization, and discloses a powder metallurgy forming pressurization device which comprises supporting legs, a base fixedly connected with the upper sides of the supporting legs, a lifting sleeve fixedly connected with the upper surface of the base, and a piston rod in sealed sliding connection with the interior of the lifting sleeve. The upper side of the lifting sleeve is fixedly connected with a pressing table, the outer wall of a piston rod is fixedly connected with a balance weight table and a lifting table, a die-casting mechanism is arranged on the inner side of the lifting table, a pressurizing auxiliary mechanism is arranged on the upper side of the base, the die-casting mechanism comprises a sliding frame, the sliding frame is fixedly connected to the upper surface of the base, and one side of the base is fixedly connected with an electric push rod. The pressurizing auxiliary mechanism is used for die-casting and auxiliary die-casting, metal powder die-casting can be more compact, meanwhile, the situation that when a pressure head is pulled out, the internal pressure of a pressure cavity is unbalanced, and a finished product is affected can be avoided, the die-casting mechanism is used for downwards pressing the metal powder, the yield can be conveniently guaranteed, and meanwhile the die-casting quality can be improved compared with a traditional device.

This utility model discloses a water-saving irrigation device for rice cultivation, which includes a main water pipe (1), a pressurized water pump (2), multiple branch water pipes (3), and a controller (4). Each branch water pipe (3) has a water outlet pipe (5) installed at its end, which is vertically positioned in the rice field. Each water outlet pipe (5) has three water injection nozzles installed on it. Each water injection nozzle has a solenoid valve (6) installed on it. Above each water injection nozzle, there is an arc-shaped baffle (7) fixed on the water outlet pipe (5). Each baffle (7) has a soil moisture sensor (8) installed on its top surface. Each solenoid valve (6) and soil moisture sensor (8) is electrically connected to the controller (4). This utility model not only improves water utilization efficiency but also has the advantages of good irrigation effect, good water-saving effect, convenient use, long service life, convenient maintenance, high irrigation rate, simple structure, and high structural stability.

The utility model belongs to the field of vacuum concentrators, and particularly relates to a cooling recovery device for a vacuum concentrator, which comprises a bottom plate, the top of the bottom plate is fixedly connected with a storage tank, the top of the storage tank is communicated with a collecting pipe, the surface of the collecting pipe is provided with an electromagnetic valve, the top of the collecting pipe is communicated with a condensing box, and the condensing box is provided with an electromagnetic valve. The left side of the condensation box communicates with an air inlet pipe, a condensation pressure maintaining assembly is arranged at the top of the condensation box, a primary condensation assembly is arranged at the top of the air inlet pipe, and the primary condensation assembly comprises a second condenser; by arranging the condensation pressure maintaining assembly and the pressure measuring valve, the pressure intensity of an inner cavity of the condensation box can be detected, the vacuum pump is used for guaranteeing the pressure intensity of the inner cavity of the condensation box, the problem that the condensation effect is poor due to pressure intensity changes can be avoided, and by arranging the primary condensation assembly, gas can be pre-condensed through circulating water and then deeply condensed through low-temperature cooling liquid, so that the condensation effect is improved. And the recovery efficiency can be improved through multi-stage condensation.

The utility model provides a kind of health care clothing of human meridian acupoint, including clothing body and air bag;Air bag is arranged in clothing body inside surface, to when clothing body is worn on human body, air bag position corresponds with human body acupoint;Air bag includes air bag body and massage head, air bag body is connected on clothing body, can inflate and deflate, massage head is arranged in air bag body side towards human body, and massage head hardness is greater than air bag body hardness, to when air bag body inflates and rises, massage head is close to human body direction, to extrude human body acupoint, to when air bag body deflates and shrinks, massage head is away from human body direction, to relax human body acupoint.The utility model inflates and deflates by air bag, so that massage head repeatedly extrudes and relaxes human body acupoint, realizes acupoint massage, and clothing body can be folded, convenient storage and carry.

This invention provides a highly stable hydrobromic acid and its preparation device. The highly stable hydrobromic acid comprises (I) a homogeneous liquid composed of hydrogen bromide gas and a preparation agent, wherein the ratio of hydrogen bromide gas to preparation agent is 10–35:65–90; or (II) a homogeneous liquid composed of an aqueous solution of hydrogen bromide or hydrogen bromide gas, a preparation agent, and water; wherein the mass percentage of the aqueous solution of hydrogen bromide or hydrogen bromide gas, the preparation agent, and water is 20–47:0.5–65:1.0–79.5; the preparation agent is at least one selected from oxalic acid, ascorbic acid, hydrazine hydrate, acetaldehyde, formaldehyde, formic acid, and glacial acetic acid. This preparation device achieves preparation in a closed system, effectively avoiding the emission of harmful substances and environmental pollution; the device is reasonably designed, highly practical, and easy to operate; using this device, a hydrobromic acid product with high consistency in quality can be obtained; and the obtained hydrobromic acid has high stability.