60results about How to "Efficient emissions" patented technology

The utility model discloses an oil extraction wellhead anti-gas-channeling device, which relates to the technical field of wellhead anti-gas-channeling, and comprises a wellhead pipe, a casing head arranged on the top surface, a working device fixedly connected with the top surface of the casing head, and an exhaust pipe arranged on one side of the surface. The motor is used for enabling the transmission gear to rotate to drive the lifting block to ascend and descend, gear teeth on the surface of the transmission gear are locally designed, the lifting block achieves intermittent movement, and the lifting block is driven to ascend and descend through elastic force given by the spring arranged on the surface of the sliding rod while intermittent movement is achieved. At the moment, the bottom working disc also enables the insertion column to be located in the circulation opening for intermittent closing and opening due to intermittent movement, so that gas accumulated at the bottom of the working device is gradually and effectively discharged during discharging work, and the situation that a discharging pipe is damaged by expanded gas due to one-time overturning of other devices is avoided; the stability of gas emission is improved, and potential safety hazards are reduced to the minimum.

The invention discloses a dechlorination system capable of realizing zero emission of desulfurization wastewater, which relates to the technical field of pollutant control of coal-fired power plants and comprises an alkali liquor injection device, a tail gas treatment device, a desulfurization wastewater recovery treatment device, a flue gas waste heat recovery device and an alkali liquor injection device. According to the dechlorination system capable of realizing zero discharge of the desulfurization wastewater, effective removal of target pollutants is realized, the reduced desulfurization wastewater and a basic solution are mixed in the sedimentation tank, precipitates in the desulfurization wastewater can be effectively removed, and then clear liquid at the upper part of the sedimentation tank is sprayed into a flue gas pipeline, so that the desulfurization wastewater is completely discharged. Suspended solids and soluble solids in the wastewater form fine solid particles after being heated by high-temperature flue gas, the fine solid particles enter an electrostatic dust collector under the entrainment action of airflow and are captured and removed by electrodes, precipitates are further subjected to solid-liquid separation through a filter press, waste liquid is recycled to a sedimentation tank, and finally efficient desulfurization wastewater zero discharge is achieved. The environment-friendly requirement is met; the economical efficiency and the operability are relatively high.

The invention discloses a sewage treatment device for manufacturing chemical products, and particularly relates to the technical field of chemical wastewater treatment.The sewage treatment device comprises a treatment tank, a rotating mechanism is fixedly connected to the upper end of the treatment tank, a limiting mechanism is arranged on the inner surface of the treatment tank, and a scraping mechanism is arranged in the middle of the rotating mechanism; a stirring mechanism is arranged at the middle lower part of the rotating mechanism on the inner surface of the treatment tank, and an ultrafiltration membrane is fixedly connected to the lower part of the inner surface of the treatment tank. The sewage treatment device for manufacturing the chemical products, disclosed by the invention, can be used for removing heavy metal ions from sewage to be treated and collecting heavy metal ion precipitates at the same time, and can also be used for discharging sewage treated with organic matters and heavy metal ions; the sewage treatment device has the advantages that organic matters in sewage without heavy metal ions can be removed, heavy metal ion precipitates can be discharged, sewage treatment flexibility is increased, and sewage and precipitates can be separated and discharged more efficiently.

The desilting device for the water conservancy project comprises an installation frame, the upper surface of the installation frame is fixedly communicated with a desilting pump, the upper surface of the desilting pump is fixedly connected with a floating barrel, the upper surface of the floating barrel is fixedly connected with a reinforcing floating plate, the left side face of the desilting pump is fixedly communicated with a reducing sleeve, and the left side face of the reducing sleeve is fixedly connected with a connecting rod. And the bottom surface of the dredging pump is fixedly connected with a filter cover. By means of the driver, the driving arm and the spiral blade, sludge can be guided to the position close to the dredging pump and sucked into the filter cover, the filter cover can prevent large sludge mixtures from entering the dredging pump, the risk of impurity blocking is reduced, normal work of the dredging pump is further ensured, then the motor is started to drive the transmission rod, and the dredging pump is driven by the transmission rod. The sludge mixture is crushed by utilizing the crushing blades, so that the sludge mixture can be sucked by the dredging pump more easily, the sludge treatment capacity of the device is further improved, meanwhile, the crushed sludge mixture is easier to treat, and the pollution to the environment is reduced.

The utility model relates to the technical field of rolling devices, and discloses a rolling device for processing oolong tea, which comprises three groups of support legs and a rolling disc fixed among the three groups of support legs, a rolling mechanism is arranged above the rolling disc, the rolling mechanism is connected with the three groups of support legs, and the rolling mechanism is connected with the rolling disc. According to the rolling device for oolong tea processing, in the discharging process, the material blocking disc is kept in an inclined state and generates high-frequency vibration on the material blocking disc, and oolong tea leaves can be more effectively discharged; in this way, the tea leaves can be discharged more smoothly, gathering on the material blocking disc is reduced, the requirement for manual interference is lowered, the labor intensity is relieved, the tea leaves fall from the periphery of the material blocking disc and can fall on the material guiding shell, and it is ensured that the tea leaves can completely fall into the material guiding shell.

The utility model discloses a structure of air -conditioning case inside is arranged condensate water and air -conditioning case, including the water pan of setting in the evaporimeter below of air -conditioning case and the drain port of setting in the low point of water pan disc surface, the disc surface of water pan extends from the air -out side of evaporimeter along the vertical direction of evaporimeter air -out surface, the disc surface of water pan is inclined to the side where the drain port is, the utility model discloses the disc surface of the water pan of inclination design can realize the efficient collection and discharge to the condensate water, and the disc surface length of water pan is designed according to the maximum wind speed of passing through evaporimeter when the air -conditioning case operation, reduces the risk that the condensate water falls into the air -conditioning case inner air duct, guarantees the collection effect to the condensate water, and the airflow that can reduce that flows out through the drain port is separated to the disc surface of water pan and is set up the baffle, alleviates the influence of return air phenomenon.

The utility model discloses a miniaturized double-frequency wide-beam terminal antenna, which relates to the technical field of mobile terminal antennas and comprises an antenna cap, an antenna housing, a radiator assembly, a feed network module, a radio frequency connector and an antenna base, and the radiator assembly, the feed network module and the radio frequency connector are sequentially distributed inside the antenna housing from top to bottom. According to the miniaturized double-frequency wide-beam terminal antenna, the radiation copper strip is arranged in a gradually-changed spiral form, and when the radiation copper strip is at the same rising angle, the spiral arm with the top open circuit structure has a wider beam width than the spiral arm with the short circuit structure, so that low-elevation electromagnetic signal radiation and reception of the satellite antenna are facilitated; the radiation copper strip is provided with four feeding points, each feeding point is connected with two oscillator arms with different lengths, the circular polarization characteristic and the double-frequency radiation characteristic of the antenna are guaranteed, the two oscillator arms with the same feeding guarantee different rising angles and widths, the isolation degree of double-frequency radiation is improved, the shape of a directional diagram is more regular, and higher radiation gain is achieved.

The utility model belongs to the technical field of range hoods, and particularly relates to a multi-layer filtering structure of a range hood, which comprises a range hood body, a smoke exhaust channel is fixedly mounted at the top of the range hood body, a smoke inlet mesh enclosure is arranged at the bottom of the smoke exhaust channel, and a fixing block is fixedly mounted on the inner wall of the smoke exhaust channel. A filter cartridge is arranged on the surface of the fixing block, a connecting block is fixedly mounted on the surface of the filter cartridge, and a screw is in threaded connection with the surface of the connecting block. Oil fume can be discharged through the filter cartridge, oil absorption cotton in the filter cartridge can filter oil dirt in the oil fume, the oil dirt in the oil fume can be intercepted, the oil fume is separated, after the oil fume is separated, the oil fume can be discharged through exhaust holes, and after the oil dirt sucked by the oil absorption cotton is condensed, the oil fume can be discharged through exhaust holes. Oil stains can drop into the collecting box through the filter cartridge to be collected, so that the oil stains contained in the oil fume can be effectively intercepted, the oil stains are prevented from being discharged to the outside, and the outside air environment is guaranteed.

The invention relates to the technical field of photovoltaic modules, in particular to a drainage device for photovoltaic power generation panels, the drainage device is fixedly arranged on a sliding frame and arranged below the outer side corners of the photovoltaic panels, when the angle between the two photovoltaic panels is smaller than 180 degrees, water flow can fall into the drainage device along the photovoltaic panels, and the drainage device comprises a drainage cylinder and a drainage assembly; the drainage assembly is slidably arranged in the drainage cylinder, a drainage rod is slidably arranged on the lower end face of the photovoltaic panel, a drainage rope is wound on the drainage rod through a bolt, a reset rope is spirally wound on the drainage rod, the winding direction of the reset rope is opposite to that of the drainage rope, the free end of the reset rope is connected with a torsional spring used for resetting, and the torsional spring is fixedly arranged on the lower end face of the photovoltaic panel. Accumulated water on the surface of the photovoltaic panel can be effectively collected and discharged at different angles, the photovoltaic panel is prevented from being damaged by the accumulated water, and water drops attached to the interior of the photovoltaic panel are removed while large-flow drainage is successfully achieved.

According to the boiler tail gas treatment device and method, a low-nitrogen combustor of a gas boiler is provided with a main combustion chamber and an outer-layer combustion chamber, a fuel gas pipeline comprises a main feeding pipeline and an auxiliary feeding pipeline which are connected in parallel, the main feeding pipeline communicates with the main combustion chamber, and the auxiliary feeding pipeline communicates with the outer-layer combustion chamber; the low-nitrogen combustor is communicated with an air inlet pipeline; the flue gas circulating pipeline is communicated with the preheated air pipeline and is provided with a variable-frequency fan and a valve; the tail gas treatment method comprises the following steps: closing a stop valve of an auxiliary feeding pipeline and a valve of a flue gas circulation pipeline, starting a frequency conversion fan after the gas-fired boiler normally operates for 30-60 minutes, slowly increasing the frequency of the frequency conversion fan, stabilizing the oxygen content value at 4%, opening the stop valve, adjusting the opening degree of the stop valve according to the NOx concentration value in a flue gas analyzer, and controlling the oxygen content value at 4%. The NOx concentration value meets the emission standard. According to the scheme, tail gas emission meets the current emission standard, the tail gas treatment effect is remarkable, and ultralow emission of tail gas NOx can be achieved.

This utility model discloses an intelligent integrated drainage-demisting terminal for high-humidity exhaust gas, comprising a drainage-demisting box, and an air inlet and an air outlet respectively disposed on opposite sides of the box; two sets of demisting box bodies are symmetrically arranged inside the drainage-demisting box, one set of demisting box bodies is connected to the air inlet, and the other set of demisting box bodies is connected to the air outlet; several sets of baffles are rotatably installed inside the demisting box bodies; an adjustment mechanism is provided on the outside of the demisting box bodies; the bottom ends of the two sets of demisting box bodies are connected by a semi-circular connecting pipe, and the bottom end of the connecting pipe is connected to a drainage mechanism. This utility model belongs to the field of exhaust gas treatment technology, specifically referring to an intelligent integrated drainage-demisting terminal for high-humidity exhaust gas.

This utility model discloses a vertical shaft furnace nitrogen oxide emission treatment device, comprising: a vertical shaft furnace, an exhaust pipe fixedly connected to the upper surface of the furnace, a valve seat fixedly connected to the end of the exhaust pipe away from the furnace, a valve core slidably connected to the inner surface of the valve seat, and a compression spring fixedly connected to the side surface of the valve core; a treatment chamber, a water spray pipe fixedly connected to the inner surface of the treatment chamber, a water pump fixedly connected to the side surface of the water spray pipe, a wire mesh fixedly connected to the inner surface of the treatment chamber, a filter box slidably connected to the inner surface of the treatment chamber, and activated carbon disposed on the inner surface of the filter box. Through the above structure, efficient treatment of nitrogen oxide emissions from the vertical shaft furnace is achieved, backflow of the absorbent liquid within the treatment device is prevented, ensuring continuous and sufficient contact and reaction between the absorbent liquid and nitrogen oxides, intercepting water mist generated during the treatment process, and improving the treatment efficiency and effect of the treatment device.

The utility model discloses a heat dissipation assembly of electronic equipment, which comprises an internal circulation heat dissipation assembly and an external forced cooling assembly, the internal circulation heat dissipation assembly is at least composed of a water cooling head assembled on a power heating source of a mainboard and a water heat dissipation plate connected with the water cooling head through a pipe; the inner circulation heat dissipation assembly is further connected with the outer forced cooling assembly circulation heat dissipation module through a pipe, so that working fluid can be utilized in the water cooling head through the heat dissipation module to quickly absorb working heat generated by the power heating source during working and flow to the water heat dissipation plate to conduct front-section heat dissipation in the case. And then the external forced cooling assembly is connected to the external forced cooling assembly to carry out rear-section forced heat dissipation, so that the overall cooling effect is improved by combining multi-stage heat dissipation, and the generation of heat accumulation in a power heating source and a host is avoided.

The utility model relates to the technical field of shoes and clothes, and particularly relates to a soft heat-dissipating vamp, which comprises a high-elastic flyknit vamp and a wear-in port integrally formed in the high-elastic flyknit vamp at the position of the heel of the human foot.

The invention relates to an ecological road paving system based on red mud pervious concrete, comprising: a sidewalk, the sidewalk comprising a first red mud pervious concrete layer and a first waterproof separation layer arranged up and down; the roadway comprises a second red mud pervious concrete layer, a graded broken stone layer and a second waterproof separation layer from top to bottom in sequence; the ecological ditch is arranged between the sidewalk and the roadway and comprises a ditch body with the top open, and a vegetation layer and a plurality of permeable wells arranged at certain intervals in the length direction of the ditch body are arranged in the ditch body. The permeable well is used for collecting water from the first red mud permeable concrete layer, the second red mud permeable concrete layer and the graded broken stone layer. A red mud vegetation concrete layer for purifying water is arranged at the upper part of the vegetation layer. The red mud permeable concrete material and the optimized road pavement layout are utilized, so that the effects of efficiently permeating water, reducing road surface runoff, controlling road surface runoff pollution and reducing road surface noise are achieved.

The utility model discloses a kind of defatting washing tanks of rotary water flow, it is related to defatting washing technical field, including water collecting tank, the inside of water collecting tank is fixedly connected with washing cylinder by support rod, and washing cylinder is equipped with sealing cover;The outside of washing cylinder is equipped with the mounting hole of annular equidistance structure distribution, and each mounting hole inside is equipped with washing structure, and the washing structure includes the fixed frame of being installed in mounting hole inside, and fixed frame inside rotationally connected with rotary block, the side of rotary block away from washing cylinder is fixedly connected with connecting ring, and rotary block inside is equipped with spray head.This kind of defatting washing tank of rotary water flow, by spray head in rotation process and object form certain angle, increase the coverage area of defatting agent injection, and improve the contact efficiency of defatting agent and object grease, to significantly enhance cleaning effect, the water angle of dynamic adjustment can better clean complex concave-convex surface and difficult to reach part.

The utility model belongs to the technical field of packing container relates to a kind of starch foaming lunch box, including box body, box cover and cover, the box cover is closed on box body and forms closed cavity, the cover is connected on box cover and forms breathable cavity, first air vent is provided on the box cover, second air vent is provided on the cover, first air vent and second air vent are staggered on the vertical projection plane, first air vent, breathable cavity and second air vent form labyrinth air passage, the edge of first air vent is surrounded and is provided with the first ring of up extension, the edge of second air vent is surrounded and is provided with the second ring of up extension, first ring and second ring form the dustproof structure of the air passage.The starch foaming lunch box provided by the utility model has good air permeability, can realize the efficient discharge of wet hot gas, maintain the crisp taste of food, and also can ensure the anti-fouling function of lunch box.

The utility model relates to a multi-layer silage silo, and belongs to the field of livestock feed storage. The device comprises a bottom surface and a plurality of parallel side walls which are vertically arranged, and a storage space is defined by the bottom surface and the side walls. Detachable hollow partition plates are arranged in the space to vertically divide the storage space into a plurality of storage layers. Corresponding notches are formed in the bottom face and the partition plate, the notch in the bottom face is communicated with the water storage pool, and the notch in the partition plate is communicated with the inner cavity and used for collecting and discharging percolate. A flow guide channel is formed in the side wall and connected with each sewage draining outlet, so that seepage is rapidly drained, and retention and mildew are prevented. And the porous cover plate and the filter holes can effectively prevent blockage and odor. Stairs are arranged on the side walls to facilitate operation. A closed oxygen-free environment is formed after the silage film is covered, feed fermentation is promoted, and the storage quality is improved. The device is compact in structure, efficient in liquid drainage and suitable for large-scale preparation and storage of silage.

The utility model discloses a rainwater backflow prevention device for rock wool fireproof ocean platform container, relates to ocean platform container technical field. The rainwater backflow prevention device for rock wool fireproof ocean platform container, including container house, the bottom intercommunication of container house is provided with the water pipe, the bottom fixedly connected with U shape water seal pipe of water pipe, the utility model discloses when the external rainwater first enters the closed box inner chamber through the flow guide pipe, the rainwater first accumulates in the slide plate bottom area, along with the water level continuously rising, the float ring of setting in the periphery of drain pipe because of the liquid buoyancy effect and follow the floating, and drive the slide plate along the I -shaped guide rail and slide up, the rising of slide plate further drives the closure plate, makes it gradually close and finally completely covers U shape water seal pipe communication mouth, at this moment, the aperture of U shape water seal pipe is blocked, effectively blocked the possibility that external rainwater through drain pipe reverse flow into container inside.

This utility model belongs to the technical field of condensate treatment devices, specifically a condensate processor. It includes a main housing, within which a condensate treatment chamber is located, along with an air inlet and an air outlet connecting the condensate treatment chamber to the outside. The main housing has an inner port connecting to the condensate treatment chamber, and a rotating atomizing disc is rotatably connected within the condensate treatment chamber. This disc collects condensate dripping from the inner port of the condensate channel. A power motor, driven by the main housing, rotates the atomizing disc, generating centrifugal force that atomizes the condensate on it. This utility model effectively discharges condensate by using the centrifugal force generated by the rotation of the rotating atomizing disc to break it into an atomized state. The atomized condensate is then discharged outwards with the airflow.

The invention provides a photo-thermal evaporation body and a preparation method and application thereof, and belongs to the technical field of brine treatment. The invention provides a photo-thermal evaporation body which comprises a hydrophilic mass transfer bottom layer, the hydrophilic mass transfer bottom layer comprises a vertical part and two branches arranged at the top end of the vertical part, and the hydrophilic mass transfer bottom layer penetrates through a floating structure; and the hydrophobic light absorption layer is arranged on the upper surfaces of the two branches. The photo-thermal evaporation body with an adjustable saline water transmission path is constructed, salt crystals can be efficiently dredged to a non-light-absorption area of a material, the efficient and stable strong saline water treatment effect is achieved, the interface structure of the photo-thermal evaporation body is designed, salt accumulated at the interface is dredged, and the strong saline water treatment effect is improved. Possible interface salt pollution is converted into recyclable edge salt crystals, high-salinity wastewater can be efficiently treated for a long time, zero liquid discharge of the high-salinity wastewater is realized, the defects of high energy consumption and high ecological cost in the traditional technology are overcome, and support is provided for green and low-carbon treatment of the high-salinity wastewater.

This tank facility is provided with: a tank capable of storing liquefied carbon dioxide; a communication pipe connected to the tank and communicating the inside of the tank with the outside of the tank; a valve provided midway in the communication duct and provided so as to be able to open and close a flow path in the communication duct; and a heating unit that can heat from the outside a downstream duct section of the communication duct, said downstream duct section being located downstream of the valve in the direction of circulation of carbon dioxide discharged from the tank at least when the valve is opened.

The present invention provides an AC microgrid intelligent energy management method and system. The scheme includes obtaining weather forecast data, rated operating parameters and operating status parameters through sensors, Internet crawling and real-time settings; calculating wind power forecast values ​​and photovoltaic forecast values ​​at future times; calculating power balance control losses, load benefits, energy loss rates and carbon emission losses; obtaining local area settings, and calculating the first, second, and third optimal control coefficients and the first, second, and third x local optimal control coefficients; obtaining the target optimal control set, determining the control mode, and selecting the control coefficient according to the control mode, and controlling the proportion of charging, discharging and thermal power in real time; and automatically performing curve display and digital display. The scheme realizes new energy management of the corresponding microgrid by providing automatic optimal control based on carbon emissions and maximum utilization of new energy.

According to the technical scheme, the water quality purification equipment is characterized by comprising a main body, four supporting legs are fixedly installed at the bottom of the main body, a chemical reaction box is fixedly installed at the top of the main body, a cover plate is arranged at the top of the chemical reaction box, an inserting hole is formed in the top of the cover plate, and a water inlet is formed in the top of the inserting hole; a rectangular mounting hole is formed in the top of the cover plate; the intercepting assembly is arranged at the top of the cover plate and used for intercepting impurities, the sewage reacts with chemical agents in the chemical reaction box, the property or state of pollutants in the sewage is changed through chemical reaction, the cover plate prevents the impurities from entering the chemical reaction box, and the inserting holes provide stable rotating supporting points for the connecting rods; the rectangular mounting hole provides a mounting position for the tank body of the interception assembly, and the interception assembly intercepts impurities in sewage before the sewage enters the chemical reaction tank, so that the sewage purification effect is improved, the discharge amount of purified water is large, the discharge amount of sewage is small, and the purpose of saving water is achieved.

The invention provides a deep foundation pit construction technology, and belongs to the technical field of foundation pit construction. According to the deep foundation pit construction technology, flow lofting is conducted, lime or timber piles are used for marking the contour line of a foundation pit, it is ensured that paying-off is accurate, a slope entry is provided with a ditch for construction, rainwater on the slope top is effectively collected and drained, water and soil loss and slope surface erosion are prevented, a foundation pit slope is excavated, the angle of the slope surface is determined according to design requirements, and the slope surface is trimmed through an excavator or manual work. A firm supporting structure is formed by shotcreting an anchor on a side slope, shotcreting concrete on the surface of the side slope and combining with an anchor rod so as to enhance the stability and the safety of the side slope, and a continuous enclosure structure is formed by driving a steel sheet pile into soil so as to enhance the stability and the safety of a foundation pit. The foundation pit construction technical standard is updated, and the method adapts to new technologies and new processes.

The utility model discloses a micro-arc oxidation power supply with a heat dissipation structure, which comprises a power supply box, the power supply box comprises a box body, a battery body is arranged in the box body, and a heat dissipation mechanism is arranged above the inner wall of the box body and comprises an exhaust pipe fixed in the box body. A plurality of nozzles are fixedly connected to one side of the exhaust pipe, a cooling box is fixedly connected to the top of the box body, and a condensation pipe is arranged in the cooling box. The equipment has the advantage of high-efficiency heat dissipation, and solves the problems that the heat dissipation effect of part of micro-arc oxidation power supplies is not ideal enough, continuous high-temperature operation causes accelerated aging of internal elements of the power supplies, the stability and durability of electronic components are reduced, the service life of the whole power supply equipment is shortened, and poor heat dissipation causes low working efficiency of the power supplies, so that the service life of the whole power supply equipment is shortened. The problem that the stability of the micro-arc oxidation process and the quality of the generated film layer are affected due to the fact that the output power is unstable and stable high voltage and current cannot be continuously provided in the prior art is solved.

The utility model relates to the technical field of steam boxes, in particular to a gas steam box. A gas heater is assembled at the bottom end in the box body, a water outlet pipe is fixed at the bottom end in the box body and located above the gas heater, a plurality of guide rails are arranged at two ends in the box body, partition plates are connected to the inner sides of the guide rails in a sliding mode, and a gas suction hopper is fixed at the top end in the box body. According to the fuel gas steam box, food is heated and cooked by starting the fuel gas heater, a water source flows in the water outlet pipe, then the taste and moisture of the food are improved, in the cooking process, a large amount of water vapor can be generated when water is heated, the large amount of water vapor needs to be discharged in time, and the cooking time is shortened. And potential safety hazards caused by overhigh pressure caused by water vapor are avoided.

This invention belongs to the field of oil and gas recovery technology, and particularly relates to an oil and gas recovery system for gas stations based on a three-stage composite process, comprising: an oil storage tank; a condensation mechanism, with its inlet connected to the outlet of the oil storage tank and its outlet connected to the return outlet of the oil storage tank; a gas-liquid separation mechanism, with its inlet connected to the outlet of the condensation mechanism and its outlet connected to the return outlet of the oil storage tank; and a membrane separation mechanism, with its inlet connected to the outlet of the gas-liquid separation mechanism and its outlet connected to the return outlet of the oil storage tank. This invention can reduce the energy consumption and operating costs of oil and gas recovery, and improve the adaptability of the oil and gas recovery system.

The vacuum belt filter comprises a driving frame, a circulating filter belt and a liquid storage tank, the circulating filter belt is installed on the driving frame, the driving frame drives the circulating filter belt to move circularly, a vacuum suction box is arranged on the inner side of the circulating filter belt, the liquid storage tank is communicated with the vacuum suction box through a liquid inlet pipe, and the liquid storage tank is communicated with the circulating filter belt through a liquid outlet pipe. The vacuum suction box is kept in a low-pressure state through a vacuum pump, the liquid storage tank is connected with a liquid pump through a liquid outlet pipe and conveys liquid away, one end of the circulating filter belt is a feeding area, the other end of the circulating filter belt is a discharging area, and a filter cake collecting box is arranged on the side, close to the discharging area, of the circulating filter belt; a filter cake scraping mechanism and a filter cake discharging mechanism are arranged in the filter cake collecting box. The vacuum belt filter for synthesizing thiophanate-methyl has the advantages of high filtering efficiency, good filter cake scraping effect, strong cleaning function, efficient filter residue discharge, stable and reliable work and the like.

This application relates to a tunnel invert drainage system, comprising a longitudinal blind pipe at the tunnel bottom, a vertical blind pipe at the tunnel bottom, a circumferential blind pipe, a drainage layer, precast no-fines concrete blocks, a waterproof membrane, a transverse blind pipe, a back-adhesive waterstop, a centrally embedded waterstop, and a galvanized steel plate waterstop. The drainage layer includes self-adhesive fabric, a drainage membrane, and geotextile layered sequentially on the initial support surface; precast no-fines concrete blocks are placed on the longitudinal blind pipes of the low sidewall; the waterproof membrane wraps around the longitudinal blind pipes of the low sidewall and the precast no-fines concrete blocks; the transverse blind pipes are located on both sides of the circumferential construction joint, with drainage holes on both sides of the construction joint, the drainage holes communicating with the transverse blind pipes and the longitudinal blind pipes of the low sidewall; the back-adhesive waterstop is adhesively bonded to the waterproof membrane; the galvanized steel plate waterstop is fixed at the construction joint and adhesively bonded to the centrally embedded waterstop. This tunnel invert drainage system enables effective collection and efficient discharge of groundwater, thereby effectively reducing water pressure at the bottom of the invert.