36results about How to "Reduce solid particles" patented technology

The invention relates to a matching technology method and a treatment system for optimizing feeding of a coal tar suspended bed hydrocracker. The method comprises the following steps: filtration and deslagging of coal tar, dehydration treatment through a dehydrating tower, and deep drawing through a vacuum tower. According to the invention, light oil pumped out from the top of the vacuum tower is mixed with diesel fractions pumped out from the vacuum tower siding to be sent to a fixed bed reactor for hydrocracking treatment; the light oil pumped out from the top of the vacuum tower can also be sent to the fixed bed reactor for hydrocracking treatment, and the diesel distillate pumped out from the siding is sent to a phenol-extracting device to be used as a raw material for extracting phenolic substances; wax oil fractions pumped out from the vacuum tower siding are sent to the suspended bed hydrocracker to be used as a raw material for a hydrocracking reaction; heavy oil pumped out from the bottom of the vacuum tower is subjected to filtration, a filtrate is sent to the suspended bed hydrocracker to be used as a raw material for the hydrocracking reaction, and filter residues are sent to a granulating device for granulating. The invention also provides the treatment system, suitable for the method, of the coal tar.

The invention discloses a kitchen waste three-grade separation pretreatment process. Kitchen waste is poured in a receiving device to primarily realize solid-liquid separation; recoverable impurities and flexible impurities which cannot be recovered but generate adverse effects on subsequent processes are manually separated; magnetic substances in the kitchen waste are separated out by a magnetic force effect; magnetically separated materials are conveyed to a primary crusher by a first-grade spiral; the kitchen waste is crushed below a fixed size by a shearing crusher; crushed materials are conveyed to a large-substance separator by a second-grade spiral; large substances are separated by a steam flushing heating mode; large impurities are separated out, and are conveyed to the external through a spiral for landfilling or incineration; materials not reserved on a separator screen are conveyed to a separation pulping machine by a third-grade spiral; and the kitchen waste is crushed to prepare pulp below 10 mm by separation pulping. The pulp obtained by treatment through the pretreatment process has the characteristics of few impurities, low loss rate of the organic matters and small solid particles.

The invention discloses an ecological floating bridge for a high lake wetland landscape river, and an installation method thereof. The ecological floating bridge comprises a floating bridge unit and a fixed upright post; a connection device is arranged between the floating bridge unit and the fixed upright post; the floating bridge unit comprises a water quality processing chamber and a planting chamber; a water quality processing device and an air floatation device are arranged in the water quality processing chamber; and the water quality processing device comprises a primary sedimentation chamber, a dosing flocculation chamber and a microfiltration chamber. The method comprises the following steps of: (a), performing construction preparation; (b), processing a river slope; (c), installing the fixed upright post; (d), installing the floating bridge unit; (e), setting a fixing device; and (f), processing water quality. The ecological floating bridge disclosed by the invention is simple in structure, scientific, convenient, high in pertinence, and high in automation degree; the eutrophication problem of a landscape river can be well solved; the installation method is simple to construct, short in construction period, and low in cost; and the constructed ecological floating bridge has the advantages of purifying water quality and air, protecting the biological diversity, adjusting microclimate, increasing the environmental quality and the like.

The invention discloses a yawing force solid fuel gas generator. The purpose of controlling the cleanness of fuel gas for a system steering engine is achieved. The fuel gas generator comprises an igniter, a combustion chamber, charge, a fuel gas pipeline, a primary filter net, a secondary filter net, a pressing ring and a plug. The igniter is in threaded connection with the combustion chamber; thecombustion chamber is in threaded connection with the fuel gas pipeline; the charge is fixed to the interior of the combustion chamber through an ignition support and a charge baffle; the primary filter net is subjected to molybdenum wire one-time die pressing into a column type and installed in a fuel gas pipeline inner hole; the secondary filter net is subjected to molybdenum wire one-time diepressing into a column type and installed in a fuel gas pipeline inner hole; the pressing ring is installed in the fuel gas pipeline inner hole; a gas pipeline outlet is provided with a steering engine installing thread, and the plug is in threaded connection with the fuel gas pipeline; fuel gas is clean, and the generator is applicable to a portable missile control system.

The invention discloses heat-not-burn tobacco packing paper. The packing paper comprises a burning layer and a heat conducting layer which are bond together through a composite adhesive, wherein the heat conducting layer consists of a body paper layer, a grid-like aluminum foil layer and a sheet-like aluminum foil layer, the grid-like aluminum foil layer and the sheet-like aluminum foil layer are composited on upper and lower sides of the body paper layer respectively, the grid-like aluminum foil layer is contacted with the burning layer, and the sheet-like aluminum foil layer covers cut tobacco. The burning layer and the heat conducting layer of the packing paper both contain burning materials such as corn flour, potato powder, grain husk powder, methyl cellulose and the like which can prolong the burning time, meanwhile, the materials can burn sufficiently, few solid particles are produced, and the taste of tobacco cannot be affected; besides, the burning layer and the heat conducting layer produce more heat, and the defect of insufficient heating of traditional heat-not-burn tobacco is overcome.

The invention provides a safe forcible entry and recovery method and system for a lead-acid storage battery, and an automatic operation method, and relates to the technical field of the recovery processing of the lead-acid storage battery. The safe forcible entry and recovery method provided by the invention comprises the following steps that: punching: independently punching the upper cover and the shell bottom of a battery; discharging acid liquor: discharging the acid liquor in the battery from the holes; carrying out forcible entry on the upper cover and the shell bottom: independently cutting and removing the upper cover and the shell bottom; carrying out forcible entry on inter-trough polar plate connection: punching the junction of an inter-trough polar plate; and taking the polar plate and lead plaster: pushing the polar plate from the shell to be separated. Through the safe forcible entry and recovery method provided by the invention, the technical problems of lead-acid storage battery recovery in the prior art that materials are difficult in separation and recovery difficulty is big can be solved.

The invention discloses a collector pipe embedding structure for saline-alkali land soil improving, and belongs to the technical field of collector pipes. The collector pipe embedding structure for saline-alkali land soil improving comprises a saline-alkali land layer, a macadam filtering layer is arranged at the bottom of the saline-alkali land layer, a gravel layer is arranged at the bottom of the macadam filtering layer, and a drainage pipe is arranged at the bottom of the gravel layer in an inclined manner. According to the collector pipe embedding structure for saline-alkali land soil improving, the macadam filtering layer is arranged, so that drained saline is initially filtered, and sediment entering collector pipes is reduced; the gravel layer is arranged, so that the drained saline is secondarily filtered, solid particles in the drained saline are reduced, meanwhile, the pressure reducing and buffering effects are achieved, and the pressure of the collector pipe and the drainage pipe is reduced; the drainage pipe is arranged, so that collected water is drained to a collector well through the drainage pipe in a concentrated manner, and losses of the water resource are reduced; and tiny water collecting holes are formed, so that water which is not collected by water collecting hoppers is collected by the tiny water collecting holes, and losses of the water resource are reduced.

The invention discloses a device for increasing the reuse rate of purified water of a refinery plant, and a using method of the device, belonging to the technical field of purified water recovery of refinery plants. Filters are introduced into a purified water pipeline in the existing hydrogenation water injection water source; two stages of filtration facilities are added for improving the water quality of the purified water. One stage of filtration facility comprises two filters which can be switched; one of the two filters is started and the other filter is used for standby application during normal production; the filters are switched for washing at the fixed period; the two filters are respectively and internally provided with a filter screen wire mesh as a filter element, and the filter precision is greater than 25mu m; the differential pressure indication on an inlet and outlet pipeline of the first stage filter is used for displaying the differential pressure of the first stage filter; a built-in framework of the second stage filter is formed by a 304 stainless steel punched filter screen and an internal filter bag, and the filter precision is greater than 10mu m. The device provided by the invention increases the proportion of the purified water in hydrogenation water injection and improves the properties of the purified water in the hydrogenation water injection.

The invention provides a solid-liquid separation device for oil slurry and a solid-liquid separation system for oil slurry. The solid-liquid separation device for oil slurry comprises at least one mixer, at least one first-level separator and at least one second-level filter; the first-level separator is communicated with each mixer; the second-level filter is communicated with each first-level separator. Different from a traditional single filtering and separating technology, the invention adopts the first-level separation and the second-level filtering, so that the solid-liquid separation device for oil slurry can meet the requirement of long-period stable work.

The invention discloses a circulating water purification system and method applicable to lakes. The system comprises a water purification device and ecological floating plates, wherein a connecting device is arranged between every two ecological floating plates; the water purification device comprises a base and a water purification chamber; the water purification chamber is arranged on the base; and the water purification chamber is sequentially provided with a filtering and flocculating chamber, a negative oxyanion electrolysis release chamber, a membrane bioreaction chamber and an oxygen aeration chamber which are sequentially arranged from left to right. The method comprises the following steps: (a) preparing for construction; (b) constructing a temporary cofferdam; (c) pumping water in the construction area; (d) building the water purification device; (e) installing the ecological floating plates; (f) installing a water supply device; and (g) carrying out water conditioning. The system is simple, feasible, scientific and convenient, has the advantages of environment friendliness, no pollution, low cost and high efficiency, and can implement accurate control. The treated lake water is clean and pollution-free. The system well solves the problem of lake water pollution.

The invention relates to the technical field of petrochemical waste gas treatment and in particular relates to a high-efficiency petrochemical waste gas treatment device. The high-efficiency petrochemical waste gas treatment device comprises a waste gas pretreatment unit, a waste gas purification unit and a water circulation unit; the waste gas pretreatment unit is composed of a waste gas separation unit and a waste gas prewashing unit; the waste gas purification unit comprises a purification pool; a biodegradation unit, a plant purification unit and a photo-catalytic oxidation unit are sequentially arranged in the purification pool from bottom to top; the biodegradation unit comprises a placement channel; the placement channel transversely penetrates through the purification pool; a replaceable biodegradation mechanism is inserted into the placement channel. According to the high-efficiency petrochemical waste gas treatment device disclosed by the invention, the waste gas treatment difficulty can be reduced, the waste gas purification ability and efficiency are improved, so that a recyclable biology-environment balance system is established by the whole device, and the purification degree of the waste gas can be effectively improved.

The invention discloses an automobile exhaust purification type exhaust cylinder, which includes a shell. The shell is externally provided with evenly distributed cooling fins, an upper cover sleevesthe upper end of the shell, a lower cover sleeves the lower end of the shell, and the upper cover is provided with a through hole; one end of a guiding pipe communicates with the exhaust cylinder of an automobile, the other end of the guiding pipe penetrates through the through hole of the upper cover and is fixedly connected with a filter nozzle, the inner wall of the filter nozzle is fixedly connected with a flow guiding block, the filter nozzle is externally provided with an air inlet pipe, and the air inlet pipe is fixedly connected with the upper cover; and the air inlet pipe is fixedly connected with a spiral pipe with a porous structure on the surface through a layered partition plate, the spiral pipe is internally filled with activated carbon, the spiral pipe is externally wrappedwith a layer of filter net, the bottom of the spiral pipe is transitively connected with an air outlet pipe, and a sealing pad is installed at the joint. According to the automobile exhaust purification type exhaust cylinder, through the filter nozzle, the activated carbon and a catalytic layer, the action of attachment, filtration, catalysis is achieved, and thus the problems of incomplete automobile exhaust purification and high cost are solved.

The invention relates to a matching technology method and a treatment system for optimizing feeding of a coal tar suspended bed hydrocracker. The method comprises the following steps: filtration and deslagging of coal tar, dehydration treatment through a dehydrating tower, and deep drawing through a vacuum tower. According to the invention, light oil pumped out from the top of the vacuum tower is mixed with diesel fractions pumped out from the vacuum tower siding to be sent to a fixed bed reactor for hydrocracking treatment; the light oil pumped out from the top of the vacuum tower can also be sent to the fixed bed reactor for hydrocracking treatment, and the diesel distillate pumped out from the siding is sent to a phenol-extracting device to be used as a raw material for extracting phenolic substances; wax oil fractions pumped out from the vacuum tower siding are sent to the suspended bed hydrocracker to be used as a raw material for a hydrocracking reaction; heavy oil pumped out from the bottom of the vacuum tower is subjected to filtration, a filtrate is sent to the suspended bed hydrocracker to be used as a raw material for the hydrocracking reaction, and filter residues are sent to a granulating device for granulating. The invention also provides the treatment system, suitable for the method, of the coal tar.

The invention relates to a coal tar treatment system. The coal tar treatment system comprises a raw oil buffer tank, a coal tar pump, a first filter, a first heat exchanger, a dehydration tower, a first air cooler, a separator, a second heat exchanger, a coal tar charging furnace, a coal tar pressure reduction tower, a light oil blending tank, a light oil pump, a heavy oil blending tank, a heavy oil pump, a second filter, a raw material blending tank, a raw material oil pump, a make-up hydrogen compressor, a suspended-bed reactor unit, a fixed bed reactor, a pressure reduction tower, a fixed bed hot high pressure separator, a third heat exchanger, a fixed bad cold high pressure separator, a forth heat exchanger, a second air cooler, a circulating hydrogen compressor and a circulating hydrogen compressor inlet liquid separator pot. The suspended-bed reactor unit comprises a suspended-bed cracker, a hot high pressure separator, a hot low pressure separator and a cold low pressure separator. The coal tar treatment system realizes treatment on coal tar and coal tar integrated utilization product diversification and adapts to market demands.

The invention relates to a desulfurization device with a tower interior flue gas condensing function and a water balance control method. The desulfurization device comprises a desulfurization tower, acooler, an entrance flue, an exit flue, a first slurry spraying pipe, a second slurry spraying pipe, a first slurry spraying pump, a second slurry spraying pump, a washing water tank, a washing pumpand a washing spraying pipe, wherein a demister is arranged in the desulfurization tower. A slurry filtering device is also additionally arranged and comprises a primary cyclone, a secondary cyclone and a backwashing filter. Slurry is taken out of the desulfurization tower and is treated by the slurry filtering device, then, clear liquid is used for washing the demister, and remaining concentratedliquor returns to the desulfurization tower. Under the condition that washing water volume of the demister is maintained unchanged, the clear liquid resulting from filtering is used for making up difference value between desulfurization water replenishing volume and washing water volume which is larger than the desulfurization water replenishing volume, and thus, the desulfurization device establishes a new water balance.

The invention belongs to the field of refrigeration equipment and particularly discloses cooling equipment for automobile pig iron smelting. The cooling equipment comprises a cooling cavity with two ends both being sealed and an air fan, the bottom of the cooling cavity is provided with a material outlet, the side wall of the cooling cavity is in a corrugated shape, the cooling cavity is internally provided with a filter plate, a round disc, a rotating shaft and a first air box from top to bottom in sequence and is further provided with a material inlet and an air inlet communicating with theair outlet end of the air fan, the material inlet is connected with a material inlet pipe with the opening facing the upper surface of the round disc, the air inlet is connected with an air inlet pipewith the air outlet end facing the round disc, the lower end of the round disc is fixedly connected with the upper end of the rotating shaft, the lower end of the rotating shaft runs through and stretches into the first air box, the rotating shaft is provided with a plurality of inclined blades in the circumferential direction, the filter plate is provided with magnetism, the first air box is internally provided with an electromagnet for absorbing the filter plate, one of the blades is internally provided with a power source for the electromagnet being powered on, the power source and the electromagnet are both connected with electrode pieces, and the cooling equipment further comprises a guiding pipe. By means of the cooling equipment for automobile pig iron smelting, the problem that generated solid particles are large in air cooling is solved.

The invention relates to the technical field of reaction kettles and discloses a reaction kettle capable of increasing a reaction speed. The reaction kettle comprises a kettle body, wherein a crushingbox, a driving rotating shaft and an auxiliary rotating shaft are arranged in the kettle body; rotating shaft blades and gear blades are arranged out of the driving rotating shaft; a meshing gear, adriven wheel and a rotating wheel are fixedly installed out of the driving rotating shaft; a driving wheel is fixedly installed out of the auxiliary rotating shaft; a grinding box is arranged below the driving wheel; two grinding bodies meshed with each other are arranged in the grinding box; and a centrifugal box is arranged below the grinding box. According to the reaction kettle capable of accelerating the reaction speed, small holes are formed in the bottom and the outer side of the centrifugal box, and the driving rotating shaft rotates to drive the meshing gear to rotate, so the centrifugal box is driven to rotate reversely, reactants are thrown out of the small holes via centrifugal force, and materials are rapidly mixed after being added; and thus, uneven distribution after addition of the materials is prevented, and the reaction speed is effectively increased.

The present invention relates to a soybean milk machine combining milling and boiling as a whole which is easy to be cleaned. The invention is provided with a drum-shaped machine body (10), and the upper part of the machine body is provided with a removable upper cover (20), and the upper cover is connected with an electric heating element (60). A sealed motor room (400) positioned at the bottom of the upper cover is provided with a motor (40), and a motor shaft is extended into the machine body (10) below the motor room (400), and the end of the motor shaft is provided with a rotating blade (50). The invention is characterized in that: the knife face of the rotating blade is horizontally arranged, and the two ends (51), (52) of the blade along the length direction are respectively foldedtowards the upper part and the lower part of the outer side. The inner wall of the machine body (10) is provided with a plurality of guide ribs (15) protruding the inner surface of the inner wall, and a sealing piece (90) is used for sealing the space between the motor shaft and a shaft hole on a motherboard of the motor room (400). The exterior of a circuit board (30) is provided with a protecting shield (31) used for protecting the circuit board. The soybean milk machine can realize circulation boiling, and the produced soybean milk has good tasting, which is convenient for being cleaned with safe and reliable using.

The invention discloses a sealed continuous slag discharging device for boiling chlorination production of a titanium tetrachloride gravity dust collector. The sealed continuous slag discharging device mainly consists of a device case, a slag discharging pipe, a shaft sleeve tube, a shaft, a bearing, a protection ring, a hollow turbine, a press cover, a dust collecting slag scraper, a worm rod, adriving device, a slag blocking ring and a flange, wherein a flange is arranged on the top of the case and is connected with the bottom of a dust collector; the slag discharge pipe is welded under a bottom plate of the case; the slag blocking ring is welded in the bottom plate of the device case; the shaft sleeve tube is welded in the center position of the bottom plate of the case; the shaft, thepress cover and the bearing are mutually matched and are arranged in the shaft sleeve tube; the protection ring is welded in a connecting position of the case and the bottom plate; the hollow turbineis arranged on the shaft; the dust collection slag scraper is arranged under the hollow turbine; the hollow turbine is matched and connected with the worm rod; the worm rod and the driving device areconnected. By using the device, the sealed, continuous and automatic discharge of the dust collection slag can be realized.

The invention discloses an underground rainwater purifying integral system, comprising a shell buried underground. A water inlet is formed in one side of the shell, a water outlet is formed in the opposite side of the shell, a filter tank filled with sand, a filter tank filled with a plastic biofilter material and a water permeating grate are sequentially arranged in the shell along a water flow direction. The underground rainwater purifying integral system can effectively reduce solid particles in initial rainwater and ammonia, nitrogen and phosphorus in the initial rainwater; the ammonia, nitrogen and phosphorus can be returned to a field after adsorption of an adsorbant.

The invention relates to a direct coal liquefaction residue treatment process, in particular to a system and a method for treating direct coal liquefaction residues. The system comprises: a co-pyrolysis unit, which is used for pyrolyzing a mixture of direct coal liquefaction residues and raw coal to obtain a co-pyrolysis solid product; an extraction unit, which is used for extracting the co-pyrolysis solid product to obtain liquid extract and a solid-liquid mixture; a solid-liquid separation unit, which is used for carrying out solid-liquid separation on the solid-liquid mixture to obtain a raffinate; a grinding unit, which is used for drying and grinding the raffinate and the raw coal to obtain a first powdery mixture; and a gasification unit, which is used for gasifying the first powdery mixture. According to the system and the method disclosed by the invention, the direct coal liquefaction residues are deeply processed, and more high-added-value oil products and synthesis gas products can be obtained through a co-pyrolysis / extraction / grinding / gasification process, so the direct coal liquefaction residues are fully recycled and utilized.

The invention discloses a fuel conveying device for a combustible slag dust boiler. The fuel conveying device is characterized by comprising a slag dust separator and an induced draft fan, wherein the feeding port of the slag dust separator is communicated with a slag dust feeding pipeline, the discharging port of the slag dust separator is communicated with a slag dust discharging pipeline, the air outlet of the induced draft fan is communicated with the feeding pipeline, the air inlet of the induced draft fan is communicated with a conveying pipeline, the discharging pipeline is provided with an anti-backfire switch, the front end of the conveying pipeline is provided with a stirrer, and the front end of the conveying pipeline is communicated with a spiral propeller. The fuel conveying device disclosed by the invention is combined with a slag dust collecting device used in bamboo and wood processing, the combination of the slag dust conveying pipeline, a dust collecting room, the stirrer, the induced draft fan and the separator is used for realizing the effect of automatically conveying slag dust in a production workshop to a faraway hearth of the boiler for sufficient combustion, the aims of saving energy, saving materials, saving labor and reducing discharge are achieved, and the fuel conveying device has the advantages that the slag dust can be fully combusted, the environment pollution is small, the needed labor is less.

The invention relates to a seawater purification system for a shellfish keep-alive transport vehicle. A particulate filter comprises an inner passage and an outer passage, and the inner passage is located in the outer passage; a water inlet is formed in the upper end of the inner passage, a water outlet is formed in the lower end of the inner passage, and a solenoid valve is arranged at the water outlet; the side wall of the inner passage is a filtering wall, and a flush valve is arranged in the filtering wall and is controlled by a flush valve driving motor to be opened and closed; the outer passage is provided with a purified water outlet from which granular impurities are filtered away; the purified water outlet is communicated with a water inlet of a soluble organic matter filter by a connecting pipeline and provided with water delivery power by a driving pump; a vertical passage is arranged outside the soluble organic matter filter, an axial-flow fan is arranged at the top of the vertical passage, a tapered water accummulation board is arranged at the bottom of the vertical passage, and a water purifier water outlet is formed in the center of the water accummulation board; a plurality of foam absorption balls are arranged above the water accummulation board and connected with an external extraction device by an extraction hole on the vertical passage; air intake holes are formed in the side surface of the lower part of the vertical passage, a fine-pored flat plate is arranged above the air intake holes, and porous ceramic and quartz sand mixed layers are placed above the fine-pored flat plate.

The invention discloses a water supply valve control system for optimizing production. The water supply valve control system comprises a water pumping pipe. One end of the water pumping pipe is provided with a first balancing weight, and the other end of the water pumping pipe is provided with a first water pump. One end of the first water pump is provided with a first connecting pipe. One end ofthe connecting pipe is provided with a first internal thread connecting pipe. A plurality of electromagnetic valves for water and the water pump work in cooperation under different working states, connection is conducted on a pipeline system through an internal thread three-way pipe and a plurality of internal thread connecting pipes, the water supply switching mode is reasonably arranged on the premise of ensuring the normal water supply, potential safety hazards such as scalds, anoxia and fall damage caused when people miss the step during entering and leaving in winter are eliminated, the safety of an operation environment of production personnel is ensured, a water source conveyed in the water pumping pipe is preliminarily filtered through a thin film filter, solid particles in water are greatly reduced, and the blockage phenomenon of the electromagnetic valves for water and the internal thread connecting pipe in the pipeline system is avoided.

The invention discloses a central landscape park water treatment method and device. The method comprises the following steps: (a) cleaning garbage on the water surface; (b) pumping water to lower the water level; (c) dividing and setting functional regions; (d) cleaning impurities in the functional regions, and tamping the shore soil; (e) arranging an ecological purifier; (f) arranging a water circulation treatment unit; and (g) dismounting battens arranged among columns. The device for implementing central landscape park water treatment comprises the ecological purifier and the water circulation treatment unit, wherein the ecological purifier comprises ecological floating plates, a supporting frame and bottom plates; each ecological floating plate is provided with an ecological growth groove in which aquatic plants are grown; and the water circulation treatment unit comprises a hair brush bin, a biochemical bin and a clear water bin. The device provides a favorable environment for biological growth and reproduction, can purify the water, simultaneously increases the water body flowability and dissolved oxygen in the water, reduces the solid particles in the water, and has the advantages of favorable water treatment effect, quick effect taking and simple operation.

The invention discloses a lateral force solid gas generator, which solves the problem of the cleanliness of the gas used for the steering gear of the control system. The gas generator includes: igniter, combustion chamber, charge, gas pipeline, primary filter, secondary filter, pressure ring, plug. The ignition tool and the combustion chamber are connected by thread; the combustion chamber and the gas pipeline are connected by thread; the charge is fixed in the combustion chamber by the ignition bracket and the drug retaining plate; the primary filter is molded into a cylindrical shape with molybdenum wire and installed in the gas pipeline hole; the secondary filter screen is molded into a column shape with molybdenum wire at one time, and installed in the inner hole of the gas pipeline; the pressure ring is installed in the inner hole of the gas pipeline; the outlet of the gas pipeline has a steering gear installation thread, and the plug and the gas pipeline are connected by threads; The gas cleaning provided by the invention is suitable for a portable missile control system.

A sewage treatment device comprises a treatment machine tool and a stirring device, supporting legs are fixedly connected to the bottom of the treatment machine tool, a fixing block is fixedly connected to the left side of the upper surface of the treatment machine tool, a sewage inlet is formed in the middle of the fixing block, and a rotating motor is fixedly connected to the right side of the upper surface of the treatment machine tool; and the stirring device is arranged between the opposite faces of the fixed block and the rotating motor, the stirring device communicates with the sewage inlet and is movably connected with the rotating motor, a first water outlet is formed in the outer surface of the left side of the stirring device, a second water outlet is fixedly connected to the right side of the stirring device, and the stirring device comprises a stirring outer cylinder. The invention relates to the technical field of sewage treatment. According to the sewage treatment device, sewage enters the outer stirring cylinder from the sewage inlet, and the inner cylinder is arranged at the eccentric shaft of the outer stirring cylinder, so that the treatment effect of the sewage at the bottom is better.