98results about How to "Achieve airtight" patented technology

The invention discloses an acid tank sealing treatment system. The acid tank sealing treatment system comprises connecting pipes, an acid mist removing device and a plurality of acid tanks, wherein the acid tanks are connected into the acid mist removing device through the connecting pipes for acid mist treatment. The acid tank sealing treatment system has the beneficial effects that acid mist ofthe acid tanks on an operation site can be treated in a centralized mode, single treatment in the prior art is improved, and the treatment efficiency is improved. The acid tanks are connected into theacid mist removing device through the connecting pipes for acid mist treatment, acid tank sealing on the operation site is achieved, and acid mist diffusion on the operation site is avoided.

The invention discloses a coring execution device for a lunar soil sampler, which includes a drilling and coring mechanism, a sample sealing mechanism, an unlocking mechanism and a separation mechanism; wherein, the drilling tool for drilling into the coring mechanism is an outer spiral and an inner hollow structure; the sample sealing mechanism The unique design of claw spring, claw spring flower basket and slideway body is adopted; the unlocking mechanism adopts the design of fixed body, limit spring, extraction pin and extraction pin seat, and the unlocking action of the drilling tool can be realized by pressing the extraction pin; The separation mechanism can trigger a large impact energy with a small heating power of the resistance wire to complete the entire separation action. The whole device has a simple structure, and can reliably realize the functions of collecting and sealing lunar surface samples, unlocking and separating drilling tools, and the like.

The invention discloses a micro-power consumption control method of motion monitoring and tracking equipment. A hardware energy consumption management and control part and a software energy consumption dynamic strategy part are combined; in the hardware energy consumption management and control part, by adopting control CPU frequency reduction and IO configuration, embedded secondary development of a communication CPU module, and complete isolation between the communication CPU module and a power supply, a dormant current of a whole machine is enabled to be smaller than 5 [mu]A; and in the software energy consumption dynamic strategy part, after a remote background server receives reported data of a terminal, according to parameters of the terminal, a terminal energy consumption managementand control strategy is formulated and sent to the terminal for execution. By controlling the power consumption of the whole machine, during the dormant period, the working current of the whole machine is less than 5 [mu]A; and in the tracking period, the communication CPU module works and performs data interaction with the remote server, the power consumption of the whole machine is less than 80mA, and when the communication CPU module is dormant in the tracking period, the power consumption of the whole machine is less than 1 mA.

The invention relates to a cleaning agent applicable to viscous sulfur-bearing scale in a high sulfur gas field gathering and transportation system. The cleaning agent comprises a liquid phase: 5-8 parts of non-ionic surfactant, 1-2 parts of accelerant, 4-8 parts of dodecyl dimethyl benzyl ammonium chloride, 1.5-2.5 parts of penetrant JFC, and a solid phase: 5-10 parts of sodium hydroxide, 10-15 parts of sodium carbonate, 3-5 parts of sodium sulfide and 15-20 parts of sodium metasilicate pentahydrate. The cleaning agent mainly adopts inorganic substances, and can efficiently dissolve and clean viscous sulfur-bearing obstructions in the high sulfur gas field gathering and transportation system at a lower operating temperature. The cleaning agent adopts the inorganic substances as principal ingredients; other assistants are water-soluble, nontoxic, harmless and involatile substances; at the same time, the corrosivity to an equipment material and a sealing element material is controlled within a relevant national standard scope; the cleaning agent can be used for site operation safely.

The invention relates to a circular underwater sealing electric connector capable of being plugged in a blind manner. The electric connector comprises a plug and a socket, wherein the plug comprises aconnecting nut, an anti-loose mechanism and a plug sealing-connecting assembly; and the socket comprises a socket sealing-connecting assembly. The circular underwater sealing electric connector capable of being plugged in the blind manner provided by the invention has the advantages that due to the fact that the plug and the socket are both sealed by sintering and forming a glass sintering layerand a contact part, and a sealing jack insulation assembly is arranged at the plugging end of the plug, so that the internal structure of the jack insulation assembly can realize self-sealing, and theoutside of the jack insulation assembly is sealed with the plug shell; when water enters the plugging end plane of the plug, the sealing structure of the jack insulation assembly plays an isolating role, so that short circuit in the plug caused by water entrance to the internal structure of the plug can be avoided; and after water entrance, the electric connector can be used as normal by only performing a simple operation on the plug, so that high product maintainability and high reliability are achieved, and the electric connector is suitable for application occasions with high-reliability sealing requirements.

The invention relates to industrial by-product gypsum reduction equipment. The industrial by-product gypsum reduction equipment comprises a kiln head, a kiln tail, a roller, a feeding device, a discharging opening, a tail air-intake pipe, a power transmission device and a supporting device. Anhydrite gypsum and hemi-hydrate gypsum are conveyed into the sealed roller, meanwhile vapor is conveyed into the sealed roller, under certain pressure condition, the anhydrite gypsum, the hemi-hydrate gypsum and the vapor are mixed and uniformly stirred in the sealed roller, and the anhydrite gypsum is reduced into hemi-hydrate gypsum by using water of the hemi-hydrate gypsum and the vapor. Therefore, the problem of a plurality of anhydrite gypsum products of the current gypsum drying machine is effectively solved, the rate of transferring industrial by-product gypsum into hemi-hydrate gypsum is effectively improved, and the production efficiency of hemi-hydrate gypsum by the gypsum drying machine is improved.

The invention discloses an improved roadway boring machine. The upper portion of a rack is connected with a hydraulic motor and a cantilever, the outer side of the cantilever is connected with a cutting head, a nozzle is arranged on the outside of the cutting head, and a water injection pipe is further arranged inside the cantilever; a first through hole is formed between the cantilever and the water injection pipe, the hydraulic motor is connected with a water injection ring through a support frame, and the water injection ring is connected with a water inlet pipe through a water pipe joint; and the outside of the bearings are sleeved with sealing rings, each sealing ring comprises a first rubber ring and two second rubber rings, and the two second rubber rings are respectively located on both sides of each bearing, first springs are arranged between the second rubber rings and the first rubber rings, the two sides of the second rubber rings and the first rubber rings are connected through connection rigs, annular cavities are further formed inside the first rubber rings, two second through holes are formed inside the annular cavities, and the outside of two first rubber rings are sleeved with sleeve tubes. The improved roadway boring machine can improve the deficiencies of the prior art, and a spray structure of the improved roadway boring machine has a better sealing and a cooling effect.

The invention provides a prepaid electricity-utilization control system based on a wireless multi-hop network, which comprises a remote controller, a plurality of wireless prepaid electronic electric-energy meters, an electricity-selling machine, a wireless multi-hop concentrator and an upper computer. The remote controller communicates with the wireless pre-payment electronic electric-energy meters or the electricity-selling machine by means of the infrared rays. The interface of the electricity-selling machine is connected with the communication interface of the upper computer. The serial interfaces of the upper computer are interconnected via a GPRS module. The GPRS module communicates with the wireless multi-hop concentrator. The wireless multi-hop concentrator communicates with the plurality of wireless pre-paid electronic electric-energy meters respectively via a NRF905 wireless communications module. Compared with the prior art, the prepaid electricity-utilization control system has the advantages of scientific and novel design, good flexibility and accessibility in selling electricity, easy use and accurate operation. Additionally, the prepaid electricity-utilization control system has the advantages of high electricity-selling efficiency, strong practicability, compact overall structure, low material consumption, long service life, low cost, stable and reliable performance, and convenient maintenance; and is applicable to the promotion and application in electric power sectors.

The present invention relates to an apparatus for forming a closed chamber when wafers are processed in a hot disc, and specifically an automatic regulating apparatus of a hot disc processing closed chamber. The apparatus includes a driving mechanism, a disc cover elevating mechanism, a disc cover, a sealing ring, a low sealing body, a disc body and a base plate. The driving mechanism and the low sealing body are mounted on the base plate, the disc body is arranged in the low sealing body, the disc cover is arranged on the upper end of the sealing body, a processing chamber is formed among the disc body, the disc cover and the low sealing body, an automatic regulating chamber is arranged on the disc cover along the periphery, a groove is arranged on the low sealing body along the periphery, one end of the sealing ring is accommodated in the automatic regulating chamber, the other end of the sealing ring stretches out the automatic regulating chamber body and is connected with the groove on the upper end of the low sealing body in a cooperation mode, a processing air inlet and an adjusting air inlet are arranged on the disc cover, a processing waste gas outlet is arranged on the low sealing body, one end of the disc cover elevating mechanism is connected with the driving mechanism, and the other end of the disc cover elevating mechanism is connected with the disc cover. According to the invention, the processing waste gas leakage due to bad contact between the disc cover and the low sealing body can be avoided, and the full sealing in the processing chamber can be realized.

The invention relates to a hermetic, circular, heating and energy saving process and a device for extracting super thick oil by saturated vapor in a hollow rod. The process comprises the steps that vapor is filled into a pit shaft part from a ground part of the device and then returns to the ground part; the vapor hermetically circulates in such a way and heats the super thick oil in a pipe to 70-150 DEG C; and the viscosity-reduced super thick oil is extracted out of the ground by a deep-well pump. The device comprises an input pipe, an output pipe, a heating furnace, a multi-stage centrifugal pump and a pressure buffer tank which are sequentially connected to a four-way of the ground part, a beam hanger which is connected to the upper end and a hollow oil pumping rod and an oil extraction tree which are connected and arranged at the lower end. The pit shaft part comprises a sleeve which is connected with the oil extraction tree and an oil pipe, the hollow oil pumping rod, a continuous inner pipe and the deep-well pump which are sequentially arranged in the sleeve, wherein the deep-well pump is connected with the lower parts of the hollow oil pumping rod and the oil pipe. The device adopts a high-temperature resistant steel-skeleton non-metal continuous soft pipe and a vapor high-temperature heating technology, has the characteristics of large heat load, high heating temperature and obvious energy-saving effect and is mainly applied to the extraction process of thick oil and the super thick oil.

The invention discloses a bamboo floor splicing structure. The bamboo floor splicing structure comprises a bamboo floor, a clamping groove, trapezoid grooves, a T-shaped clamping head and trapezoid lug bosses, wherein the clamping groove is formed in the middle part of a right end face of the bamboo floor; the trapezoid grooves are formed in upper and lower sides of the clamping groove; the T-shaped clamping head corresponding to the clamping groove is formed in the middle part of a left end face of the bamboo floor. According to the bamboo floor splicing structure disclosed by the invention,the two bamboo floors are firmly spliced through the clamping groove and the T-shaped clamping head, and loosening is not easily caused; an inclined clamping surface of a clamping head of the T-shapedclamping head and an inclined plane corresponding to the clamping groove are arranged, so that the T-shaped clamping head is tightly clamped through the clamping groove and a gap between the two bamboo floors is reduced when the T-shaped clamping head is tightened; the trapezoid grooves and the trapezoid lug bosses are matched and a waterproof coating is arranged on the surface of each trapezoidlug boss, so that a splicing seam is sealed and water is prevented from seeping, and furthermore, the bamboo floor splicing structure has relatively good waterproof performance.

The invention discloses a garbage treatment incineration furnace with laminar plasma as a heat source; an incineration system uses domestic unique high-power laminar plasma equipment, and adopts the most advanced laminar plasma incineration technology in the world at present; and the core temperature of laminar plasma gas can reach 20,000 DEG C. Laminar plasma generation electrode spraying holes are staggered; the incineration furnace adopts a horizontal structure; and a garbage inlet and a residue treatment outlet are both electrically controlled, so that full automation is realized. The system can be applied to a mobile platform locomotive or a ship; and all functions are modularly designed and configured. The treatment furnace can be totally closed, so that the interior of the furnace is located in a low oxygen state, and fewer poisonous substances are generated when garbage is decomposed. The garbage treatment system is high in automation degree, modular in design, convenient for use and maintenance, thorough in garbage incineration and low in pollution.

The invention discloses a facial recognition security monitoring probe based on a big data platform. The facial recognition security monitoring probe comprises a chassis, a support and an auxiliary cleaning device. According to the facial recognition security monitoring probe, the auxiliary cleaning device is arranged at the bottom of the chassis, an intermittent transmission mechanism is arrangedin the auxiliary cleaning device, the intermittent transmission mechanism is driven by a driving mechanism, and the driving mechanism is driven by an independent motor; and when the intermittent transmission mechanism rotates, the probe at the top can be stably rotated, the angle of the probe can be adjusted, and the probe can be conveniently moved to a position needing to be cleaned to wait forcleaning; and a sweeping mechanism is arranged at the rear end in the auxiliary cleaning device, the motor drives a reciprocating mechanism at the front end to move, a brush plate at the bottom can extend out to sweep a probe window, impurities at the two sides of the brush plate are scraped off through scraping pieces in the up-down brushing process, the surface of the brush plate can be cleaned,the cleaning effect on the window can be improved conveniently, and the brush plate is retracted into a fixed box after scraping and sweeping to realize sealing.

The invention relates to remote automatic sealing system and method for a coal mine. The system is characterized by comprising automatic sealing devices which are respectively installed in an air inlet roadway and an air return roadway of a coal mine, as well as a pneumatic switch which is arranged in the air inlet roadway and corresponds to the automatic sealing device. According to each automatic sealing device provided by the invention, a piston arranged in a pneumatic mechanism is pushed under high-pressure gas to move in a fixed rod. As the piston is connected with a movable rod which is provided with an explosion-proof material plate, the explosion-proof material plate arranged at the bottom end of the movable rod drives other explosion-proof material plates to slide down under the action of gravity to form sealed obstruction to prevent the entry of air and reach the purpose of isolating oxygen. When the automatic sealing devices are not needed, the explosion-proof material plates are folded up, so that the system occupies a small space and is convenient to use, and does not affect normal production. The system and method provided by the invention can be widely applied to the field of temporarily and permanently sealing underground worked out sections of mines and the like.

The invention discloses an automatic industrial washing machine door sealing device which comprises a machine door body. A first fixing block is welded on one side of the machine door body, a first installing hole is formed in the first fixing block, a rotary shaft is rotatably installed in the first installing hole, a door body fixing rack is welded on the rotary shaft, a door body buffer rack is installed in the door body fixing rack in a sliding mode and is matched with the door body fixing rack, multiple rubber air bags are welded on the inner wall of the bottom of the door body fixing rack in an equal distance mode, multiple second installing holes are formed in the door body buffer rack, rubber air bags are installed in the second installing holes in a sliding mode, and the second installing holes are matched with the rubber air bags. The automatic industrial washing machine door sealing device is simple in structural principle, and an air spring air cylinder pushes a first clamping column to be clamped into a first clamping groove so as to achieve a machine door locking effect. The rubber air bag pushes the door body buffer rack and extrudes a machine door, so that a machine door periphery seal ring is matched with the machine door body in a sealed mode, and a comprehensive machine door sealing effect is achieved.

The invention belongs to the field of building element manufacturing, and particularly discloses a manufacturing process for a prefabricated member. The manufacturing process comprises the following procedures that (1) moulds are pretreated; (2) materials are blended; (3) the materials are distributed; (4) the moulds are assembled, specifically, the moulds with the distributed materials are stacked, connecting parts are arranged on the bottom portions and the upper portions of the moulds, and the vertically arranged moulds are fixed through the connecting parts; (5) maintenance is conducted, specifically, the moulds assembled in the procedure (4) are conveyed into a maintenance chamber to be maintained; and (6) demoulding is conducted. In this way, no combined support or other support is needed in the maintenance process, facility maintenance cost is lowered, the production efficiency is improved, and meanwhile, the occupied space area of the whole process production line is greatly reduced. Since the connecting parts are arranged, the moulds are stacked orderly in the assembling process, and meanwhile, a fixing and limiting effect is achieved, so that the forming moulds are prevented from toppling over after being stacked to a certain height or in the transport process.

A novel power installation cabinet device is disclosed, which includes a cabinet body for installing power components and a flexible door panel device for covering the cabinet body. Front ends of left and right end walls of the cabinet body are respectively provided with left and right chutes extending up and down. Left and right sliders are slidably installed in the left and right chutes, respectively. A lower end of the left chute is fixedly equipped with a motor. An upper end of the left chute is rotatably equipped with a left screw. A lower end of the left screw is fixedly connected with an output shaft of the motor. The left screw is also in screw-thread fit with the left slider. The right chute is equipped with a right screw therein. Upper and lower ends of the right screw are rotatably mounted in the upper and lower end walls of the right chute, respectively. The right screw is also in screw-thread fit with the right slider. The lower end of the left screw is fixedly equipped with a left pulley, and the lower end of the right screw is equipped with a right pulley.

The invention relates to a deep foundation pit drainage system and drainage method. The deep foundation pit drainage system comprises a water pumping device and a muddy water treatment device; the water pumping device comprises a water pumping pipe inserted into a soil layer and a crushing mechanism arranged at one end of the water pumping pipe, and the end, away from the crushing mechanism, of the water pumping pipe is communicated with a conveying pipe for conveying muddy water; the end part of the conveying pipe is communicated with the muddy water treatment device, and the conveying pipe is connected with a conveying pump; and the muddy water treatment device comprises a compression mechanism used for separating water and mud in the muddy water and a recycling mechanism used for recycling the separated mud. The drainage method comprises the following steps of S1, equipment arrangement; S2, foundation pit dewatering and water collection, wherein the conveying pump and the compression mechanism are started, the muddy water is separated, and the separated water is collected; and S3, mud collection, wherein the compression mechanism is used for removing residual moisture in the mudto harden the mud into mud blocks, and the recycling mechanism is started to output the mud blocks out of the compression mechanism. The drainage system and drainage method has the effect of improving the utilization rate of the mud and the water.

The invention discloses a sampling device for water body detection and a using method thereof, and relates to the field of sampling devices. According to the sampling device for water body detection and the using method thereof, the device comprises a base, wherein a fixed column is fixedly connected to the upper surface of the base, a connecting plate is fixedly connected to the upper surface ofthe fixed column, and a sampling barrel is connected to the lower part of the connecting plate through a transmission mechanism. According to the sampling device for water body detection and the usingmethod thereof, the sampling barrel is submerged to a certain depth of rivers and lakes through the transmission mechanism, a second steel wire rope is pulled to enable a rod to pull a clamping spring to move upwards, a fixing plug is separated from the opening of the sampling barrel, a sample enters the sampling barrel, the fixing plug is plugged in the opening of the sampling barrel by pullingthe first steel wire rope, loosening the second steel wire rope and resetting the clamping spring, the situation that the sample in the sampling barrel exchanges and flows with water in different depths is prevented, and finally accurate detection of the sample is facilitated.

The invention discloses a fully-sealed liquid crystal projection light machine device with an efficient heat dissipation function. The device comprises a sealed shell with an accommodating space inside; a light source, a first heat pipe radiator assembly, a first cooling fan and a second cooling fan, which are all arranged outside the sealed shell; a first optical assembly, a second optical assembly and a liquid crystal screen which are installed in the sealed shell; a second heat pipe radiator assembly and a driving fan. First heat dissipation fins are fixedly installed outside the sealed shell and are close to the second cooling fan, and the second cooling fan is communicated with the first cooling fins through an air channel. The first cooling fins are directly communicated with secondheat dissipation fins or are communicated with the second cooling fins through the heat pipes. The internal heat is quickly transferred to the outside, and the heat dissipation is enhanced outside, sothat the heat exchange efficiency and the heat dissipation efficiency can be effectively improved, and the heat dissipation effect is improved.

The invention relates to a pressure feedback type liquid atomization device. The technical scheme is as follows: a liquid inlet port (1) and an output port (4) are installed on the same axial line by a connecting body (2), the gap between the liquid inlet port (1) and the output port (4) is 0.1-1mm, and the external shapes of the liquid inlet port (1) and the output port (4) are identical to the internal shapes of the connecting body (2) at the corresponding positions; a gas inflow bolt (3) and a pressure gauge (6) are installed at the middle position of the connecting body (2); the center line of the gap between the liquid inlet port (1) and the output port (4), the center line of a hole of the gas inflow bolt (3) and the installation center line of the pressure gauge (6) are located in the same vertical plane; the liquid inlet port (1), the output port (4), the gas inflow bolt (3) and the pressure gauge (6) are communicated through respective center holes; and sealing rings (5) are arranged between the liquid inlet port (1) as well as the output port (4) and the connecting body (2). The pressure feedback type liquid atomization device has the characteristics of low cost, simple cost, good atomization effect, and controllable atomization state.

The invention relates to remote automatic sealing system and method for a coal mine. The system is characterized by comprising automatic sealing devices which are respectively installed in an air inlet roadway and an air return roadway of a coal mine, as well as a pneumatic switch which is arranged in the air inlet roadway and corresponds to the automatic sealing device. According to each automatic sealing device provided by the invention, a piston arranged in a pneumatic mechanism is pushed under high-pressure gas to move in a fixed rod. As the piston is connected with a movable rod which is provided with an explosion-proof material plate, the explosion-proof material plate arranged at the bottom end of the movable rod drives other explosion-proof material plates to slide down under the action of gravity to form sealed obstruction to prevent the entry of air and reach the purpose of isolating oxygen. When the automatic sealing devices are not needed, the explosion-proof material plates are folded up, so that the system occupies a small space and is convenient to use, and does not affect normal production. The system and method provided by the invention can be widely applied to the field of temporarily and permanently sealing underground worked out sections of mines and the like.

The invention discloses an intelligent furniture spraying and drying integrated equipment with an adjustable air draft structure. The equipment comprises a shell and an output belt, a conveying belt is arranged at the left end of the shell, a top plate is arranged below the conveying belt, a partition plate is arranged on the periphery of the top plate, a hydraulic rod is connected to the lower portion of the top plate, a dust shielding shell is arranged below the partition plate, supporting columns are arranged on the periphery of the partition plate, a sliding table is arranged below the supporting columns, a sliding rail is connected to the lower portion of the sliding table, and a paint spraying chamber is arranged in the middle of the interior of the shell. According to the intelligent furniture spraying and drying integrated equipment with the adjustable air draft structure, through the arrangement of the top plate and other mechanisms, the equipment can adapt to different furniture forms, so that furniture in all states can be conveyed into the paint spraying chamber, furniture plates do not need to be sprayed, finished furniture is directly sprayed, therefore, it is guaranteed that only a part needing to be sprayed is sprayed, and the paint cost is greatly reduced.

The invention discloses a separating-type three-proofing temperature controller for rail traffic. The temperature controller includes a liquid crystal display screen, a temperature control module, a main control room, a wiring room and a waterproof joint; the front of the main control room is provided with a main panel, and the four corners of the main panel are hermetically fixed on the main control room through installment screws to form a closed structure; the temperature control module is installed inside the main control room, and a liquid crystal display is embedded on the main panel ofthe main control room; the temperature control module is connected with the liquid crystal display screen and one end of the waterproof joint separately, and a sealing diaphragm is arranged between the main control room and the wiring room; the other end of the waterproof joint runs through the sealing diaphragm and is positioned in the wiring room, and the interior of the wiring room is fixedly provided with the wiring switch; the bottom of the wiring room is provided with a wire outlet. According to the separating-type three-proofing temperature controller for rail traffic, the wiring room is separated from the main control room, and the main control room is designed to be closed. The waterproof joint is used to replace a 25-pin socket and taken as the connector of a sensor cable, and the sealing and water resistance performances are ensured.

The present invention provides a control device for lake water contamination. The control device comprises a housing for inserting into the sediment in the bottom of a lake, at least two cavities are formed in the housing, and the housing is preferably formed by a cylindrical barrel wall, and a cylindrical cavity is formed at the center, and an annular cavity is formed on the outer side. A part of the at least two cavities is provided with control material cavities and the other part of the cavities is provided with sediment chambers. The sediment chambers are in communication with at least one of the control material cavities adjacently in a horizontal direction; in the control material chambers adjacent to each of the sediment chambers, the cavity sidewall between at least one control material cavity and the sediment chamber is provided with through holes, and sediments on two sides of the cavity respectively contact with the control materials through the through holes. The sediment-control material interface formed by the control device extends in the longitudinal depth direction along the sediments, can also adsorb and control the sediment at a certain depth and has better control effect.

The invention relates to a floor drain device which comprises a base, a rotary knob, a top cover and bolts. A first step is arranged on the inner wall of the base, a plurality of baffles are arranged on one face perpendicular to the axis, threaded holes are formed in the baffles, and a flange is arranged on the other face. A handle is arranged on one face of the rotary knob, a second step is arranged on the other face, and a plurality of blades are arranged in the circumferential direction of the axis of the rotary knob. The first step is matched with the second step to achieve connection of the rotary knob and the base, and any blade can rotate between the two corresponding adjacent blades back / forth to control on / off of water flow. The top cover is a circular plate, a plurality of groove openings are formed in the circumferential direction of the edge of the top cover, and the top cover is connected to the base through the bolts. The floor drain device is convenient to install, can control on / off of water flow and has the advantages of being good in anti-blocking effect, capable of preventing peculiar smell or bugs, wide in application range and the like.

The invention discloses a single-pipe double-line maglev traffic vacuum pipeline with a sealing door, which comprises a vacuum pipeline, the vacuum pipeline is divided into two driving channels from the middle by a wind shield, a driving motor and a sealing fan are also arranged in the vacuum pipeline, one side of the sealing fan is hermetically connected with the wind shield, and the other side of the sealing fan is hermetically connected with a swing rod; the oscillating bar is in power connection with the driving motor, and a first clamping and sealing device and a second clamping and sealing device are further arranged in the vacuum pipeline, so that the bottom and the top of the sealing fan are completely sealed; compared with the prior art, the structure characteristics of a single-pipe double-line vacuum pipeline are combined, the sealing fan is unfolded and folded in a swing rod swing mode, the corresponding mechanical structure is greatly simplified, the equipment size is reduced, damage to the integrity of the vacuum pipeline is avoided, the structural strength of the vacuum pipeline is improved, and the service life of the vacuum pipeline is prolonged. Meanwhile, the space occupied by equipment is reduced, the influence on the blocking ratio is avoided, and the dynamic performance of the vehicle is guaranteed.

A safety power installation cabinet apparatus comprises a cabinet for installing a power component and a flexible door panel device for covering the cabinet. Front ends of left and right end walls of the cabinet are respectively provided with a left chute and a right chute which extend up and down. A left slider and a right slider are slidably installed in the left chute and the right chute, respectively. The lower end of the left chute is fixedly equipped with a motor. The upper end of the left chute is rotatably equipped with a left screw. The lower end of the left screw is fixedly connected with an output shaft of the motor. The left screw is threadedly engaged with the left slider. The right chute is provided with a right screw therein. The upper and lower ends of the right screw are rotatably installed in the upper and lower end walls of the right chute, respectively. The right screw is threadedly engaged with the right slider. The lower end of the left screw is fixedly equipped with a left pulley. The lower end of the right screw is equipped with a right pulley.

The invention relates to the technical field of shoemaking production, in particular to an environment-friendly mold for shoemaking production, which comprises an operation box, a mold adjusting assembly, a glue recycling assembly, a drying assembly and a gas purifying assembly, two opening and closing doors hinged to the operation box are arranged on the operation box, each opening and closing door is provided with an observation window, and a gas suction box is arranged on the outer wall of the operation box, the mold adjusting assembly is arranged in the operation box, the glue recycling assembly is arranged beside the mold adjusting assembly, the drying assembly is arranged at the top end in the operation box, and the gas purification assembly is installed at the top of the operation box and communicates with the operation box, the gas suction box and the drying assembly, glue is prevented from being solidified in the recycling process, glue waste is avoided, pungent gas containing the glue is filtered and then discharged, air pollution is avoided, the device is more environmentally friendly, shoes are rotationally dried without dead corners, the drying efficiency is improved, and then the production efficiency is improved.

The invention discloses a coarse stalk fuel gas purification process, which comprises the following steps of (1) pretreating the coarse stalk fuel gas; (2) introducing the gas treated in the step (1)into a lower section of a transverse pipe sub condenser to be washed for dust removal; removing carbon particle dust, wood tar and water in the coarse stalk fuel gas; (3) introducing the gas treated in the step (2) into an upper section of the transverse pipe sub condenser to be condensed; removing wood vinegar and rest water; (4) performing further condensation removal on the gas treated in the step (3) through a filter to obtain purified stalk fuel gas. The invention also provides a purification device of the process. The gas effective purification of coarse stalk fuel can be realized; byproducts such as the carbon powder the wood tar and the wood vinegar can be obtained; the requirements of energy saving, environment protection and safety can be sufficiently met.