30results about How to "Stable pressure balance" patented technology

An electrochemical cell stack comprising stack walls and a plurality of electrolytic cells within the stack walls, each cell comprising cell members selected from an anode a cathode; a membrane separator frame formed of a non-conductive material and having a frame first planar peripheral surface; a frame second planar peripheral surface; and a central portion defining a membrane-receiving aperture; a membrane within the aperture to provide an anolyte circulation chamber and a catholyte circulation chamber distinct one from the other within the frame, an impermeable cell end wall formed of a non-conductive material between the anode and cathode and the anodes and cathodes of adjacent cells of said stack; wherein each of said anode, said cathode, said separator frame and said end wall has a portion defining an anolyte flow inlet channel, a catholyte flow inlet channel, a spent anolyte channel and a spent catholyte channel; said anolyte flow inlet channel and said spent anolyte channel are in communication with said anolyte circulation chamber, said catholyte flow inlet channel and said spent catholyte channel are in communication with said catholyte circulation chamber. The cell stack is of greatly reduced footprint, operable at relatively high temperatures and pressures and which is stable under current load.

The invention discloses an ink-jet printer cartridge and pressure balance device, wherein the pressure balance device contains sealed cavity through exterior wall, which is made of elastic material to form membrane to form mutual separating first cavity and second cavity; the first cavity interconnects ink in the ink hole in the printer ink box through ink channel on the exterior wall; the second cavity interconnects dielectric on the exterior of second cavity through balanced channel on the exterior wall; the membrane sways between the first and second cavities due to pressure difference; the pressure balance device avoids ink from drastic change, which maintains ink pressure at stable condition.

The invention provides an electronic expansion valve. The electronic expansion valve comprises a valve base module, a nut module and a valve needle-lead screw module, wherein the valve base module comprises a valve base and a valve core base; the nut module comprises a nut for mounting the valve needle-screw rod module; and the lower end of the nut and the upper end of the valve core base are in coating fit to form a tank for circulating a refrigerant. The lower end of the nut and the upper end of the valve core base fit to participate in the mounting guide of the valve core base and the coaxiality adjustment; and the tank formed between the inner cylinder wall of the nut and the outer cylinder wall of the valve core base provides a damping passage for circulating the refrigerant, so that the pressure balance can be realized more quickly and stably.

A dual-purpose facility of continuous hot-dip coating and continuous annealing is configured so as to be switched between a continuous hot-dip coated material production line and a continuous annealed material production line, and includes a gas discharge path that discharges atmosphere gas in an annealing furnace from a gas discharge port provided in an outlet side of the annealing furnace out of the annealing furnace and a path opening and closing unit for opening and closing the gas discharge path. The path opening and closing unit opens the gas discharge path when the dual-purpose facility is used as the continuous hot-dip coated material production line and closes the gas discharge path when the dual-purpose facility is used as the continuous annealed material production line.

The technological process for preparing extra dried gas is mainly characterized by that its adopts three sets of drying column devices with identical structure, said three sets of drying column devices are arranged in the centrically symmetrical state, and its concrete structure is as follows: the top portion of the drying column is communicated with the middle point between two valves, its lower portion is communicated with gas-water separator, the lower portion of said gas-water separator is communicated with cooling device, said cooling device is communicated with middle point between other two valves, the bottom portion of the gas-water separator is equipped with discharge valve. Said invention also provides its preparation process.

The invention relates to an air conditioner for vehicles and ships at an ultra-low temperature environment. An indoor unit is sequentially connected with a refrigeration compressor, an air-cooled condenser, a liquid accumulator, a drying and filtering device and an expansion valve of an outdoor unit; the air-cooled condenser is formed by combining more than two condensers in parallel; electromagnetic valves are arranged at the inlets of any one condenser or all the condensers; one-way valves are arranged at the outlets of any one condenser or all the condensers; a cooling fan is controlled by and connected with a variable frequency motor; and the electromagnetic valves and the variable frequency motor are connected with an electric control cabinet. The number of the condensers participating in cooling of the air-cooled condenser can be adjusted through the combined action of the electromagnetic valves and one-way valves, and the cooling fan is adjusted through the coordination of the variable frequency motor so that corresponding air cooling in an adjustable air cooling area is satisfied so as to meet the cooling requirements for the variation of different outer environments and inner environments in which the vehicles and ships are positioned, the refrigeration use in a global environment can be satisfied, and the usable range of the air conditioner is wide.

The invention discloses a device for alternately switching a part of an evaporator into a condenser to defrost in due time. The device for alternately switching the part of the evaporator into the condenser to defrost in due time comprises a compressor, a gas-liquid segregator, a four-way reversing valve, a condenser, a liquid storing device, a filter, an expansion valve, a liquid separator, original evaporator bodies, standby evaporator bodies, defrosting sensors, three-way reversing valves and electromagnetic valves. The original evaporator bodies are in parallel connection with the standby evaporator bodies. The defrosting sensors are arranged on the original evaporator bodies and the standby evaporator bodies, the upper ends of the standby evaporator bodies are in series connection with the electromagnetic valves, and the two ends of each evaporator body are connected with the corresponding three-way reversing valves correspondingly, the upper ends of all the evaporator bodies are connected with the compressor, the gas-liquid segregator, the four-way reversing valve and the upper end of the condenser. The lower ends of all the evaporator bodies are connected with the liquid storing device, the filter, the expansion valve, liquid separator and the lower end of the condenser. According to the device for alternately switching the part of the evaporator into the condenser defrosting in due time, defrosting efficiency is high, it is not needed to absorb heat in a heat preservation water storing tank and air for defrosting, and energy consumption is low.

The invention relates to an air conditioner used for cars and ships in ultralow temperature environment and a controlling method thereof. The air conditioner is characterized in that an indoor machine is successively connected with a refrigeration compressor of an outdoor machine, an air cooling condenser, a reservoir, a dry filter and an expansion valve, wherein the air cooling condenser is composed of two or more condensers through assembling in a parallel manner, electromagnetic valves are arranged on any inlet or all the inlets of the condenser, and one-way valves are arranged on any outlet or all the outlets of the condenser; and the cooling fan is controlled by and connected with a frequency conversion motor, and the electromagnetic valves and the frequency conversion motor are all connected with an electric control box. By the combined action between the electromagnetic valves and the one-way valves, the number of condensers which perform actions in cooling in the air cooling condenser can be adjusted, the frequency conversion motor is cooperated to adjust the cooling fan, the corresponding air cooling of the adjustable air cooling area is met, the cooling requirement of different external environment and internal environment transformations of the cars and ships are adapted, the air conditioner can be used for refrigerating under global environment, and the application range is wide.

The invention relates to a marine total-climate air cooling air conditioner device. The marine total-climate air cooling air conditioner device comprises an indoor unit, an outdoor unit and an electrical control box. The outdoor unit is internally provided with two or more sets of cooling units. The outdoor unit is internally provided with two or more sets of refrigerating units corresponding to the two or more sets of cooling units. Two or more sets of cooling systems correspond to two or more sets of refrigerating systems respectively. After any cooling system and any refrigerating system work for a long time, another cooling system and another refrigerating system are switched to through the electrical control box, the single system is prevented from working without halting all the time under the abnormal climate, the marine total-climate air cooling air conditioner device can be continuously used in all climates, and the marine total-climate air cooling air conditioner device is long in service life.

The invention relates to an air conditioning system for a vehicle and a ship in an ultra-low temperature environment, wherein an internal air conditioning system is sequentially connected with a refrigeration compressor, an air-cooled condenser, a liquid storage device, a drying filter and an expansion valve of an outdoor air conditioning system; the air-cooled condenser is formed by combining twoor more condensers in parallel; electromagnetic valves are installed at the inlet of any one or all condensers, and check valves are installed at the outlet of any one or all condensers; a cooling fan is controlled and connected by a variable-frequency motor; and the electromagnetic valves and the variable-frequency motor are both connected with an electric control box. The number of condensers participating in cooling of the air-cooled condenser can be adjusted through the combined action of the electromagnetic valves and the check valves; the cooling fan is adjusted in cooperation with thevariable-frequency motor; corresponding air cooling of an adjustable air-cooled area is achieved; cooling requirements of different external and internal environment changes of a vehicle and a ship are met; refrigeration use in a global environment can be achieved; and the application range is wide.

The invention discloses a thin film transferring device and a using method thereof. The thin film transferring device comprises a box and a vacuum pump; the table top of a first carrying table arranged inside the box and the table top of a second carrying table inside the box are oppositely arranged in the first direction, the table top of the first carrying table is used for bearing a first carrier and an adhesive layer, and the table top of the second carrying table is used for bearing a second carrier and a to-be-transferred thin film; the first carrying table and / or the second carrying table are / is lifted in the first direction; and the vacuum pump is used for providing a vacuum environment for the box. Through a covering and pressing manner, the to-be-transferred thin film is transferred to a to-be-transferred carrier, the vacuum pump is used for providing the vacuum environment for the box, gas in an adhesive is extracted, no air bubbles exist between the transferred thin film and the adhesive, the problem that the device performance is influenced by internal stress of the thin film due to the air bubbles of the adhesive is solved, the product yield is improved; and meanwhile, under the negative pressure environment, the adhesive layer can be in sufficient contact with elements on the two sides, the degree of density is large, the bonding speed is high, and the thin filmtransferring and production efficiency is improved.

The invention discloses mucilage production equipment and a mucilage production method. The mucilage production equipment comprises a base, a gluing box, a vibration emulsification structure, an air inlet heating structure and a pressure relief structure, the gluing box is installed on the top side of the base, the vibration emulsification structure is installed in the gluing box, and the air inlet heating structure is installed at the bottom of the gluing box; the pressure relief structure is installed at the top of the gluing box, through the vibration emulsification structure, in the rotating process, a vibration motor works, a rotating disc is driven to rotate, a steel wire rope is pulled under cooperation of a positioning rod, vertical reciprocating motion of an insertion rod in a rodhole is achieved, vibration emulsification of mucilage is achieved under cooperation of a vibration rod, and stirring and vibration can be conducted at the same time, the emulsifying efficiency is greatly improved, meanwhile, stirring dead angles are avoided, it is guaranteed that mucilage is emulsified evenly, through air heating, it can be guaranteed that heat has a larger contact surface withthe mucilage, the heat exchange process is achieved more quickly, the heating effect of the mucilage is improved, and the mixing quality of the mucilage is improved.

The invention provides freeze-thaw test equipment for simulating an ultralow temperature-large temperature difference freeze-thaw process of concrete, and relates to the technical field of freeze-thaw tests. The freeze-thaw test equipment for simulating the ultralow temperature-large temperature difference freeze-thaw process of concrete comprises a test cabin, a refrigeration compressor and a nitrogen supply device. The test cabin is used for placing a target piece for a freeze thawing test, and the refrigeration compressor is configured to reduce the temperature in the test chamber. The nitrogen supply device is configured to provide liquid nitrogen into the test chamber so as to reduce the temperature in the test chamber. The freezing and thawing test equipment for simulating the ultralow temperature-large temperature difference freezing and thawing process of concrete is provided with two cooling devices, namely the refrigeration compressor and the nitrogen supply device, and the refrigeration compressor and the nitrogen supply device are different in cooling capacity, so that different environment temperatures can be simulated, the simulated environment is closer to the actual engineering environment of a target piece; and therefore, the accuracy of the thermal performance test of the target piece is improved.

The invention provides a chemical raw material dumping device based on chemical production, and relates to the technical field of chemical treatment, the chemical raw material dumping device comprises a moving seat, the bottom of the moving seat is provided with four groups of pulleys, and the main body of the moving seat is U-shaped; two groups of vertical guide frames are fixedly arranged on the rear side of the top of the movable seat; according to the extension worm and the driven worm gear of each embodiment of the invention, a flexible control function of selecting the movement amplitude according to transportation and dumping requirements is provided, the extension worm drives the driven worm gear to rotate, the driven worm gear drives the side clamping seat and the sealing buckle sleeve shell to rotate, and the side clamping seat and the sealing buckle sleeve shell are fixed through the extension worm and the driven worm gear. In addition, a control screw on the right side is rotated to pull an air connecting sleeve backwards through thread transmission, an inserting and supporting base is moved forwards, the bottom of a chemical storage barrel is supported, the chemicals can be transported, and the problem that an existing dumping device does not have the flexible control function of selecting the movement amplitude according to the transportation and dumping requirements is solved.

The invention discloses a novel double-vertical-pipe water discharging system, and belongs to the technical field of a building indoor water discharging system. Through a water vapor separation module, water and gas in a water discharging transverse support pipe are respectively communicated with a water discharging vertical pipe and a ventilation vertical pipe, so that a water seal device communicated with the water discharging transverse branch pipe cannot be influenced by the gas pressure fluctuation of the water discharging vertical pipe; a water vapor separation and gas circulation waterdischarging system is formed; the circulation supplementation of gas in the water discharging vertical pipe is favorably realized; the gas pressure balance in the water discharging vertical pipe is stabilized; the smooth discharging of water flow in the water discharge vertical pipe is ensured; the water discharging capability is improved; the ventilation process and realization path of a conventional H type communication double-vertical-pipe water discharging system are fundamentally changed; the problems that the water discharging transverse pipe and the water discharging vertical pipe are communicated in a sealed way, the indirect communication mode of the water discharging vertical pipe and the ventilation pipe H connecting pipe is used, so that the odor returns from a floor drain canbe solved; meanwhile, the technical problem that the ventilation pipe or the annular ventilation pipe of the existing device is singly communicated with the ventilation vertical pipe, so that the surface mounting is needed is also solved.

The invention relates to the technical field of collecting and measuring the moisture content of the pore air in a plurality of surface types of soil, and discloses a soil pore air water acquiring device, comprising a first acquiring probe, a second acquiring probe, a first switching component, a water collector, an air sucking pump, an air supply pump, a dryer, a mast and a sealing cover having an opening, wherein the two acquiring probes are disposed in the mast; the first acquiring probe comprises a first outlet and a first inlet; the second acquiring probe includes a second inlet, a secondoutlet, and a third outlet; the first switching component controls the second outlet or the third outlet to be separately connected to the second inlet; the mast is inserted into the sealing cover; the dryer is connected to the second inlet and the air supply pump; the water collector is connected to the first outlet and the air sucking pump; the first inlet and the second outlet penetrate through the mast and are located inside the sealing cover; and the third outlet penetrates through the top of the mast. The soil pore air water acquiring device of the invention is convenient to be used inwild cold or dry environment.

The invention discloses a multifunctional drainage stand pipe through floor board integrated device, and belongs to the technical field of building indoor drainage systems. According to the drainage stand pipe through floor board integrated device, a drainage stand pipe short connection, a ventilation stand pipe short connection, a drainage cross branch pipe connecting opening and a water collecting tank are integrated into a whole, simple inserting connection and independent mounting of a drainage system layer and upper-lower layers of pipelines such as a drainage stand pipe, a ventilation stand pipe, a drainage cross branch pipe and a water proof layer close up are achieved, the multifunctional drainage stand pipe through floor board integrated device has the functions of fast mounting,reliable quality, good odor resistant effect, small occupation space and the like, and the mounting quality and the drainage odor resistant performance are greatly improved. The drainage stand pipe short connection communicates with the ventilation stand pipe short connection through the water collecting tank, balance of directly communicating a drainage cross branch pipe water lock outlet with the ventilation stand pipe, and then communicating with atmosphere is achieved in the integrated device fundamentally, and the technical problem that a floor drain has odor due to closed communication of the drainage cross branch pipe and the drainage stand pipe is effectively solved.

A dual-purpose facility of continuous hot-dip coating and continuous annealing is configured so as to be switched between a continuous hot-dip coated material production line and a continuous annealed material production line, and includes a gas discharge path that discharges atmosphere gas in an annealing furnace from a gas discharge port provided in an outlet side of the annealing furnace out of the annealing furnace and a path opening and closing unit for opening and closing the gas discharge path. The path opening and closing unit opens the gas discharge path when the dual-purpose facility is used as the continuous hot-dip coated material production line and closes the gas discharge path when the dual-purpose facility is used as the continuous annealed material production line.

The invention discloses a pressure stabilizing mechanism, relates to the technical field of extrusion equipment, and aims to solve the problem of unstable pressure of a plastic extruder. The pressurestabilizing mechanism of the technical scheme is characterized by comprising two pressure stabilizing sliding sleeves sleeving the outer portion of a screw rod of the extruder, each pressure stabilizing sliding sleeve is of a conical structure with a cylindrical middle part and two gradually reduced ends, the pressure stabilizing sliding sleeves can axially move relative to the screw rod and are circumferentially linked, and a size-adjustable balance cavity is formed between the two pressure stabilizing sliding sleeves. According to the pressure balancing mechanism, balance adjustment can be carried out on the pressure in the extruder, so that the operation stability of the extruder is improved.

The invention discloses a method for automatically controlling a dry red mud filter press system, comprising the following steps: enabling the pressure of a red mud feeding system for a filter press to be balanced and stable by adopting the variable-frequency adjustment, reducing the rotating speed of a motor at variable frequency in the time interval between the ending of one red mud feeding period and the starting of the next red mud feeding period to make the motor run without stop; reducing the frequency of starting and stopping high-capacity electrical equipment; arranging an electrical switching valve and an electrical adjusting vale, and connecting the high-low red mud positions of a red mud feeding slot with a red mud feeding pump; making the red mud circulate internally and the high-capacity electrical equipment run without stop when the filter press running wrong; and arranging an upper unit state displaying device to display and store the running, failing and alarming information of the dry red mud filter press system. In the invention, the peripheral equipment and the filter press are integrated into a whole control system by considering the whole situation of the control system, thus the working efficiency of the filter press is improved, the automatic balancing capacity of the dry red mud filter press system is improved, the pressure of the red mud feeding system is made to be balanced and stable, and the maintenance load of the filter press is greatly reduced.

The invention discloses a combined oil cylinder anti-explosion valve assembly. The combined oil cylinder anti-explosion valve assembly comprises two oil paths; and each oil path comprises an oil cylinder, an explosion-proof valve, a plate-type ball valve, a pressure measuring joint, a pressure gauge, a pressure gauge switch, an overflow valve, a ball valve, a one-way valve, an explosion-proof valve, a plate ball valve, a pressure measuring joint, a pressure gauge, a pressure gauge switch, an overflow valve, a ball valve and a one-way valve, wherein the anti-explosion valve set is arranged on the cylinder side valve block. Under the normal condition, oil can quickly pass through the explosion-proof valve bank, and meanwhile, the pressure gauge of the cylinder side valve block monitors the oil way pressure in real time, so that a good preventive effect can be achieved for the emergency situation; the internal pressure can be adjusted in the maintenance process, so that the internal pressure and the pressure difference of the system under the normal working state are achieved; and meanwhile, when an oil cylinder breaks down, the ball valve and the one-way valve can provide safety guarantee for overhauling, the overflow valve in the assembly can also play a good pressure maintaining effect, the oil cylinder can run stably, and the service life of the oil cylinder is guaranteed.

The invention discloses a thin film transferring device and a using method thereof. The thin film transferring device comprises a box and a vacuum pump; the table top of a first carrying table arranged inside the box and the table top of a second carrying table inside the box are oppositely arranged in the first direction, the table top of the first carrying table is used for bearing a first carrier and an adhesive layer, and the table top of the second carrying table is used for bearing a second carrier and a to-be-transferred thin film; the first carrying table and / or the second carrying table are / is lifted in the first direction; and the vacuum pump is used for providing a vacuum environment for the box. Through a covering and pressing manner, the to-be-transferred thin film is transferred to a to-be-transferred carrier, the vacuum pump is used for providing the vacuum environment for the box, gas in an adhesive is extracted, no air bubbles exist between the transferred thin film and the adhesive, the problem that the device performance is influenced by internal stress of the thin film due to the air bubbles of the adhesive is solved, the product yield is improved; and meanwhile, under the negative pressure environment, the adhesive layer can be in sufficient contact with elements on the two sides, the degree of density is large, the bonding speed is high, and the thin filmtransferring and production efficiency is improved.

The invention relates to a connecting pipe fitting, in particular to a pipe joint of a superconducting pipe. The pipe joint comprises a fluid pipe section; one end of the fluid pipe section is provided with a water inlet pipe joint; the other end of the fluid pipe section is provided with a water return pipe joint. The pipe joint is characterized in that the pipe joint is provided with sealing sleeves, positioning rings and a silica gel sealing ring; the side wall of the fluid pipe section is axially provided with more than one sealing sleeve; the inner wall of the fluid pipe section is provided with top grooves corresponding to the sealing sleeves; the top grooves and the sealing sleeves are positioned on the same center line for facilitating the positioning of the superconducting pipe; the sealing sleeves are communicated with the fluid pipe section; the positioning rings are fixedly arranged on the sealing sleeves; the outer wall of each sealing sleeve is provided with a threaded section; the silica gel sealing ring is in threaded connection with the sealing sleeves for facilitating the sealing and the fixing of the superconducting pipe and preventing water leakage or water seepage. Due to the adoption of the above structure, the pipe joint has the advantages of novel structure, convenience in connection, high sealing performance, stable pressure balance, long service life and the like.

A method for controlling smoke generation during dry quenching coke loading, comprising the following steps: 1) pre-storage chamber pressure setting: optimizing pre-stored chamber pressure setting value, adjusting from 0 to the range of 0 to -30 Pa; making the pre-stored chamber pressure to be within a controlled negative pressure range; 2) adjusting according to the pressure setting value, and increasing the opening degree by 15-35% on the basis of the original opening degree of a regulating value of the pre-storage chamber; 3) establishing an interlocking relationship between the pre-storagechamber pressure detecting and the coke loading operation and establishing interlocking between the pre-storage chamber pressure detecting and coke loading operation; 4) establishing an interlockingrelationship between the speed increase and reduction of a dust removal fan and the lifting and descending height of a crane; and 5) adjusting the height of a flue gas recovery cover above a flue gasdischarge port until the distance between the flue gas recovery cover and the flue gas discharge port is at least 80 cm. By the above method, the impact of red coke loaded to an air circulation systemof a dry quenching furnace, pressure balance and stability of the air circulation system are maintained, and flying dust and smoke can be more effectively prevented during the coke loading operation.

The technological process for preparing extra dried gas is mainly characterized by that its adopts three sets of drying column devices with identical structure, said three sets of drying column devices are arranged in the centrically symmetrical state, and its concrete structure is as follows: the top portion of the drying column is communicated with the middle point between two valves, its lower portion is communicated with gas-water separator, the lower portion of said gas-water separator is communicated with cooling device, said cooling device is communicated with middle point between other two valves, the bottom portion of the gas-water separator is equipped with discharge valve. Said invention also provides its preparation process.

The invention discloses the field of regulating valves, in particular to an anti-cavitation regulating valve with the function of balancing pressure, which includes a valve body, a valve stem, a regulator, and a valve core. The interlayer separates the shell into the inlet and outlet flow channels. The main flow hole in the vertical direction is set in the middle of the interlayer. The valve stem is installed vertically on the upper part of the valve body. The main flow hole, the regulator is set on the upper end of the valve body and connected to the upper end of the valve stem; the center of the valve core is equipped with a cylindrical auxiliary flow channel, the auxiliary flow channel in the spool has a spiral flow structure, and the auxiliary flow channel in the spool The flow channel is closed later than the main flow hole, and the auxiliary flow channel in the valve core is opened earlier than the main flow hole. By setting an additional spiral auxiliary passage in the spool as a passage for the small flow of the regulating valve, the liquid only flows in the spool within the flow range where cavitation occurs, and the air bubbles generated by cavitation are expelled to the spring hole Central open position to prevent cavitation damage.

The invention discloses a bentonite grouting method for construction of a shield tunnel. The bentonite grouting method comprises the following steps of: 1, drilling radial grouting holes: drilling the radial grouting holes on a central line of the upper part of a shield body of a shielding machine; 2, mounting a grouting pipe and a pipe control valve; 3, mounting grouting connecting pipes and a grouting device; and 4, constructing the shield tunnel: shielding by the shielding machine; when the practical pressure of the interior of a soil bin is smaller than the pressure of the interior of the soil bin during regular shielding construction of the shielding machine, opening the pipe control valve, and injecting Na-based bentonite slurry towards the outside of the shield body of the shielding machine through the grouting device till the practical pressure of the interior of the soil bin is equal to the pressure of the interior of the soil bin during regular shielding construction of the shielding machine, and closing the pipe control valve. The bentonite grouting method disclosed by the invention has the advantages of reasonable design, simple construction steps, convenience for realizing, low construction cost, good construction effect, and capabilities of quickly supplementing pressure loss of the soil bin during construction of the shielding machine, keeping the pressure of the soil bin stable, and effectively guaranteeing settlement safety of an upper stratum of a tunnel to be constructed.