97results about How to "No waste" patented technology

The utility model relates to the technical field of coal dressing, in particular to a magnetic separator tailing overflow self-circulation water replenishing device which comprises a magnetic separator, a feeding port of the magnetic separator is connected with a dilute medium barrel through a feeding pipe, a water pump is arranged on the feeding pipe, a water inlet of the dilute medium barrel is connected with a water replenishing pipeline, and an overflow pipe of the magnetic separator is located above an opening of the dilute medium barrel. An overflow pipe of the magnetic separator is connected with one end of a backflow pipeline, the other end of the backflow pipeline is located above the dilute medium barrel and close to an opening of the dilute medium barrel, and water overflowing from the overflow pipe of the magnetic separator flows into the dilute medium barrel through the backflow pipeline under the action of gravity. According to the utility model, water overflowing from the overflow pipeline of the magnetic separator can automatically flow to the dilute medium barrel to be used as replenished water, so that the circulation of water resources in the coal dressing system is realized, the use of external water is reduced, additional equipment is not needed, and unnecessary power consumption is effectively reduced, energy is saved and consumption is reduced while the production process is stabilized.

This invention relates to the technical field of deep foundation pit construction, and in particular to a support pile support device and construction method. The device includes several connecting bolts, several expansion bolts, four pins, a fixing device, a soil layer, a support pile, and two tensile anchor cables. Both tensile anchor cables are fixedly connected to the interior of the soil layer. The fixing device includes an anchor bolt connector, two steel struts (first type) and two steel struts (second type). One end of each of the two steel struts (first type) and one end of each of the two steel struts (second type) are detachably connected to the outer surface of the anchor bolt connector. This invention features a detachable fixing device that connects the tensile anchor cables and the support pile, ensuring the stability of the support pile and replacing the function of a horizontal wainscoting. Furthermore, after use, this device can be disassembled and reused, saving money, reducing the expenditure on forging multiple horizontal wainscotings, avoiding waste of shaped steel materials, and eliminating the single-use limitation of horizontal wainscotings.

This invention discloses a data representation and error correction method and system based on 128-state abacus encoding. The 7-bit binary state vector is divided into four functional partitions: numerical state, operation control state, error detection state, and reserved extension state, achieving 100% space utilization. A four-layer collaborative error correction mechanism is constructed to achieve 100% detection and correction of array-level single-bit errors. A carry-avoidance write operation is adopted, where the write operation only marks the carry state, and subsequent read operations autonomously resolve the carry. It is compatible with SRAM storage arrays and combines the advantages of high-density encoding, strong error correction capability, and low write latency, making it suitable for scenarios such as high-reliability storage, high-speed computation, and low-latency transmission.

The utility model discloses a kind of gas tank dry gas desulfurization systems.The system includes: low temperature absorption tower, in which raw material gas tank dry gas and low temperature absorption oil countercurrent contact;Primary amine liquid absorption tower, in which utilize amine liquid to remove hydrogen sulfide in dry gas after organic sulfur is removed;Hydrolysis reactor, in which carbonyl sulfur in primary absorption tail gas is hydrolyzed, and hydrolysis tail gas is obtained;Secondary amine liquid absorption tower, in which utilize lean amine liquid to remove hydrogen sulfide in hydrolysis tail gas, and after absorption, purified dry gas is obtained.The desulfurization system of the utility model can purify and remove organic sulfide and hydrogen sulfide in dry gas, reduce sulfur content in gas, and then reduce SO2 content in flue gas discharged from heating furnace of subsequent each device, ensure that heating furnace of whole plant is safe, environmental protection, high efficiency and stable operation.

The utility model relates to a surgical stitching instrument and an end actuator thereof, the end actuator comprises a first clamping component, a second clamping component and a push broach piece, the second clamping component is movably connected with the first clamping component and can be matched with the first clamping component to clamp tissue, the first clamping component is provided with a feed groove extending in the axial direction and a nail bin provided with anastomosis nails, and the second clamping component is provided with a push broach piece. The feed groove divides the opposite surfaces of the first clamping component and the second clamping component into a first part and a second part which are located on the two sides of the feed groove, the width of the first part is larger than that of the second part, and the nail bin is located on the first clamping component where the first part is located. According to the end executor, the nail bin is arranged on the single side of the feeding groove, the function of precisely suturing tissue needing to be reserved is achieved, meanwhile, the tissue to be cut off can be efficiently cut off, and resource waste cannot be caused; by reducing the width of the second part, the end effector is particularly suitable for treating the situation that the excision range of the tissue to be excided is narrow, and the flexibility and adaptability of surgical operation are remarkably improved.

The application discloses a kind of resource recycling methods for preparing tea pigment by tea dregs, and relates to the technical field of waste resource utilization;The method uses tea dregs after extracting tea pigment as raw material, obtains pure tea dregs after pretreatment, and then separates cellulose components and lignin-hemicellulose mixed components by alkali leaching-screening combined method, and then uses the two components as raw material respectively, shares core drying process, and synchronously prepares tea dregs dietary fiber and biomass briquetting fuel.The present application realizes the precise high-value utilization of different components of tea dregs, cellulose is used to produce high-purity dietary fiber, lignin-hemicellulose is used to produce high-performance briquetting fuel, and there is no component waste;Process procedure sharing, smooth connection.

The utility model discloses integrated perchlorate treatment equipment which comprises a water storage tank connected with a sewage discharge pipe, a lifting pump is arranged in the water storage tank, and an integral box shell is arranged at the output end of the lifting pump. The middle water tank, the quartz sand filter, the activated carbon filter, the ion exchanger, the pipeline mixer, the precision filter and the two-stage reverse osmosis structure are arranged in the integral box shell and are connected with the output end of the air flotation machine; the bottom end of the air flotation machine is connected with a sludge box through a guide pipe; a plate filter press is arranged at the output end of the sludge box; a plurality of medicament storage tanks are further arranged and are respectively connected with the reservoir, the air flotation machine, the ion exchanger and the pipeline mixer through output pipes. The device disclosed by the utility model is reasonable in structural arrangement, can avoid external interference, is beneficial to improving the overall safety performance, prolongs the service life of the overall structure, does not cause material waste, improves the sewage treatment efficiency, has few byproducts and reduces the treatment cost.

The application discloses a dry gas deep desulfurization process. The process comprises the following steps: (1) removing hydrogen sulfide from refinery dry gas through a first-stage amine liquid absorption tower; (2) removing organic sulfur from tail gas of the first-stage amine liquid absorption tower in a low-temperature absorption tower; (3) sequentially exchanging heat between the absorption tail gas and raw dry gas, and between the absorption tail gas and hydrolysis tail gas, and then heating the absorption tail gas, and then inputting the absorption tail gas into a hydrolysis reactor to convert carbonyl sulfur into hydrogen sulfide; and (4) inputting the hydrolysis tail gas into a second-stage amine liquid absorption tower, and countercurrently absorbing the hydrolysis tail gas with lean amine liquid in the tower to remove hydrogen sulfide in the dry gas. The application can purify and remove sulfides in the dry gas, reduce the content of organic sulfur and hydrogen sulfide in the gas, reduce the content of SO2 in flue gas discharged from a heating furnace of each subsequent device, and ensure safe, environmentally-friendly and efficient and stable operation of the heating furnace of the whole plant.

This invention relates to the field of packer testing technology, specifically to a device for testing the airtightness of packers. The device includes a mounting base with a transparent water tank on its upper surface. A vertical lifting assembly is mounted on the mounting base, with its upper end extending outside the mounting base and fixedly mounted with a connecting block. One end of the connecting block is fixedly connected to a mounting plate, on which an air compressor is fixedly mounted. The other end of the connecting block is fixedly connected to a support block. A rotating hole is formed inside the support block, and a storage tube is rotatably connected to the rotating hole via a bearing. The storage tube is filled with an environmentally friendly water-based marking solution. The packer is quickly fixed via a threaded joint. A push plate and positioning rod control the entry of the marking solution. The sealing performance is visually assessed using the conspicuous, water-insoluble marking solution, air compressor pressurization, and the transparent water tank. A filter membrane separates the marking solution from the water; both are recyclable, residue-free, and environmentally friendly.

The invention discloses ethyl acetate circulating water soft water energy-saving water supplementing regulation and control equipment, and relates to the technical field of ethyl acetate production and processing, the ethyl acetate circulating water soft water energy-saving water supplementing regulation and control equipment comprises a regulation and control pool and a pool cylinder installed at the top of the regulation and control pool through bolts, and a regulation and control water supplementing mechanism is arranged in the regulation and control pool. When the device is used, soft water is conveyed into the water storage tank through the first electric valve and the first water conveying pipe, the straight pipe is opened, the second hose is closed, and soft water conveying is achieved through the water guide pipe, the first hose and the straight pipe. And the air pump and the air valve are started to discharge the high-concentration circulating water sucked into the second hose and the fixed pipe. The hydraulic cylinder pushes the pulling plate, the fixing rod and the fixing block to move upwards, so that the fixing pipe keeps an air blowing state and moves upwards to the position above the highest water level in the circulating water. In soft water replenishing regulation and control, an upper-suction and lower-suction mode is adopted, 'water replenishing and recycling 'is realized, and when the hardness of circulating water is regulated to a proper range, the upper-suction and lower-suction mode is recovered, and stable water supply is returned.

The application discloses a water-saving irrigation device capable of coping with crops with different densities and a method thereof, and belongs to the technical field of irrigation devices. The water-saving irrigation device comprises a U-shaped pipe, the upper end of the U-shaped pipe is provided with a continuous water supply assembly for ensuring continuous water supply to plants, the continuous water supply assembly comprises a water spraying irrigation device and a sealing blockage alarm device, the U-shaped pipe is connected with the water spraying irrigation device, and the water spraying irrigation irrigation device is connected with the sealing blockage alarm device. An irrigation adjusting device for adjusting plant irrigation is arranged on the U-shaped pipe. A fertilizer stirring and conveying device for providing the device with fertilizer is arranged on the irrigation adjusting device. A feeding device for conveying fertilizer into the device is arranged on the fertilizer stirring and conveying device. In the above manner, when the device is blocked, the standby device is started to supply water to the plants, so that the death of the plants caused by uneven irrigation is avoided, and when the standby device is started, an alarm is sent in a timely manner to remind the staff to replace the device.

This application discloses a method for scaling up nodes in a distributed search engine, including obtaining the current information of the distributed search engine cluster and the information of the scaling nodes; calculating the total number M of shards that the scaling nodes can accommodate based on the current information of the cluster and the information of the scaling nodes; adding the scaling nodes to the cluster; performing multiple rounds of node pre-allocation, each round of node pre-allocation including: establishing a weight index and dividing the weight index into N weight shards; performing data balancing on the cluster; and completing node allocation when N reaches a preset value. The solution provided by this application solves the problem in the prior art where distributed search engines cannot scale up the cluster in-situ or on demand when the cluster data capacity or data write performance reaches its limit, resulting in resource waste.

The application discloses a kind of integrated backflushing and mechanical scraping anti-clogging rotary drum microfilter, including rack, rotary drum main body is rotationally arranged on rack, and microfilter screen is installed on rotary drum main body, and rotary drum main body has algae water inlet and clean water outlet;Drive structure is transmission connection with rotary drum main body by main drive shaft;Micro-pore backflushing component is provided in backflushing area, and arc cleaning cover is fixedly connected in microfilter screen, and arc cleaning cover has bottom residue collection groove, and residue removal assembly is installed in arc cleaning cover bottom, and reversing trigger scraper assembly is provided in local isolated space;Drive structure is fixedly connected with controller.The application triggers multiple power coupling outputs by same main drive shaft short-time reverse, so that elastic scraper is received when positive rotation avoids, and stretches out when reverse, and in the same cleaning sector, reverse flushing loosening and mechanical scraping stripping are sequentially completed, which significantly simplifies the equipment structure and improves the anti-clogging cleaning effect.

The utility model relates to caviar processing technical field, and specifically is a caviar packing device, including conveyer belt body, the conveyer belt body's top is equipped with the trowelling strip through the frame body installation, the conveyer belt body's top is provided with the cover body installation mechanism, the conveyer belt body's upper end is provided with the packing box fixed establishment, the trowelling strip lower part's arc structure cooperation compression spring's effect can greatly reduce the probability that caviar is squeezed broken, has improved production efficiency, has eliminated the product difference that different personnel packing produced, make caviar production's overall quality more stable after the surplus caviar will be poured into the surplus material collection box from the end of conveyer belt body finally, will be collected and package again, will not cause material waste, through the cylinder drive lower pressure block will cover body in the cover body placing groove press out to the top of packing box, after the staff's pressure again and pick up can complete the whole packing process, greatly improved the efficiency of packing.

The utility model discloses a kind of precision length measuring tools, it is related to measuring tool technical field, including fixed seat, the right side fixed connection of fixed seat has main ruler, the cursor is set on main ruler, lubricating mechanism is arranged on cursor, the lubricating mechanism includes the storage box being set on cursor, spring tensioner and controller are fixedly connected in the lower end inner wall of storage box, recess is opened in the lower end of storage box, mobile plate is slidably connected in the inside of recess, by setting lubricating mechanism, when main ruler and cursor are used for a long time after instrument oil consumption, can be automatically sprayed quantitative instrument oil to the connecting place of two, without manually, it is very convenient, also can not cause instrument oil waste, guarantee the good use of measuring tool, avoid not timely correct addition instrument oil to lead to device wear and tear, greatly improve the service life of device and measurement accuracy.

This invention proposes a method and system for capturing SO2 using a dual-cell system. The method involves a dual-cell system consisting of an acid cell and an alkaline cell connected in series. AgCl / Sb is used as the positive and negative electrodes of the acid cell, and SbOCl / Ag is used as the positive and negative electrodes of the alkaline cell. An aqueous solution containing 1-ethyl-3-methylimidazole chloride and sodium acetate is used as the electrolyte for a galvanic cell reaction. The electrolyte produced by the alkaline cell is continuously recycled back to the acid cell through an electrolyte storage tank. Then, the electrolyte produced by the acid cell is continuously recycled back to the alkaline cell through a vacuum stripper, thus achieving SO2 capture. This invention utilizes the electromotive force difference generated between the positive and negative electrodes of the dual-cell system to control the pH value of the electrolyte, thereby achieving selective adsorption and capture of SO2 in flue gas. It requires no chemical additives, is easy to implement, has no side reactions, no raw material waste or secondary pollution, low operating costs, and high electronic efficiency, showing promising application prospects.

This invention discloses a raw material screening and proportioning system for plastic bucket production, relating to the field of plastic bucket production technology. The invention includes a screening box, with a support block fixedly connected to its upper surface. A transmission mechanism is located on the upper surface of the support block, and a servo motor is fixedly connected to the upper surface of the transmission mechanism. A discharge mechanism is located on one side of the outer wall of the screening box. A first support plate is fixedly connected to the lower part of one side of the outer wall of the screening box, and a collection mechanism is located above the first support plate. A second support plate is fixedly connected to the upper part of one side of the outer wall of the screening box, and a proportioning mechanism is located above the second support plate. A vibration motor is fixedly connected to the outer wall of the screening box. Since the first screening screen, the second screening screen, and the conveying plate are all installed at an angle, it facilitates the conveying of materials to the discharge port for easy material discharge. The rotation of the stirring shaft drives the fixed block, which in turn drives the brush strips to rotate. The rotating brush strips continuously move the material, improving the working efficiency of the device.

The present application relates to a kind of microneedle transdermal drug delivery technology, in particular, it relates to a kind of drug-loaded table transdermal nursing system.The drug-loaded table transdermal nursing system includes penetration device, penetration device includes penetration unit, and the penetration unit has substrate and the penetration micro-unit formed on substrate;It further includes delivery device;Delivery device includes delivery unit, and the delivery unit has drug-loading platform, and drug-loading surface of drug-loading platform is provided with drug coating, and drug coating has water-soluble and contains active ingredient;Delivery device can be delivered active ingredient by the reciprocating touch of the skin of specific area multiple times, and when the skin of specific area is touched each time, drug coating partially dissolves, and when the number of touch reaches specific number, drug coating completely dissolves.The nursing system is simple and convenient to operate, can realize the accurate, stable control of drug dosage, can be implemented uniform nursing to specific skin area, and can be suspended or discontinued at any time.

The utility model provides silicon wafer cleaning equipment which comprises a cleaning tank assembly, the cleaning tank assembly comprises a first tank body structure and a second tank body structure, the second tank body structure is connected with the first tank body structure, and the second tank body structure is arranged on the circumferential outer side of the first tank body structure; the pipeline assembly is communicated with the cleaning tank assembly; and the liquid storage assembly is communicated with the pipeline assembly. According to the technical scheme provided by the invention, the problem of liquid medicine waste in the HTJ battery cleaning and texturing process in the prior art is effectively solved.

This invention provides an automatic seedling clamping device and method for Gracilaria rapa, including a seedling separating mechanism, a conveying mechanism, a seedling clamping mechanism, a rope releasing mechanism, a rope clamping mechanism, a transmission mechanism, and a rope cutting mechanism. The seedling separating mechanism includes a feeding funnel and a sorting and cutting assembly. First, Gracilaria rapa seedlings are placed into the feeding funnel. The sorting and cutting assembly sorts and cuts the Gracilaria rapa into seedling clusters. The conveying mechanism conveys the seedling clusters to the seedling clamping worktable. The rope releasing mechanism includes two rope winding frames with a winding drum on each frame. The seedling clamping mechanism includes a seedling clamping worktable and a push plate assembly. The winding drum rotates relative to the rope winding frames to release the ropes. The released ends of both ropes are clamped by the first clamp of the rope clamping mechanism. The first clamp moves to the left while rotating back and forth to wind the two ropes together. The push plate assembly pushes the Gracilaria rapa seedling clusters fed by the conveying mechanism to the point where the ropes are joined to complete the seedling clamping. The rope cutting mechanism cuts the clamped ropes. The seedling clamping efficiency is high and the operation is easy.

The utility model relates to the technical field of p-hydroxyacetophenone production, in particular to a filtering device for p-hydroxyacetophenone production, which comprises a box body, a feeding hole is formed in the top of the box body, a vibrating plate is mounted in the middle of the interior of the box body, and a screening box is mounted in the middle of the vibrating plate in a penetrating manner; a first filter screen and a second filter screen are installed in the screening box, vibration filtering devices are fixedly installed on the inner walls of the two sides of the box body at the bottom of the vibration plate in a front-back mode, and a collecting box is placed under a discharging port in the bottom of the screening box. A feeding port is formed in the top of a box body, a vibration plate connected with a material screening box in a penetrating mode is installed in the middle of the interior of the box body, a first filter screen and a second filter screen are installed in the material screening box, a vibration filtering device is fixedly installed at the bottom of the vibration plate, and a material collecting box is placed under the bottom of the material screening box. The two filter screens are mounted in the screening box, and are matched with the vibrating plate and the vibrating filter device to secondarily filter and screen hydroxyacetophenone, so that the problem that few impurities are left after filtration is solved.

The utility model discloses a raw material drying device for packaging film production, which comprises a drying box, the two sides of the inner cavity of the drying box are respectively provided with a temperature sensor, and the right side of the drying box is provided with a heating box. The heating device has the advantages that the temperature value of the temperature sensor is set through the external controller, when the temperature is lower than or higher than the set temperature value, the external controller starts the heating pipe and closes the heating pipe, the heating pipe and the hot-air blower are started through the external controller, the hot-air blower draws the air inlet pipe through the air suction pipe and the air suction cover, and the air inlet pipe is closed through the air suction cover. The air inlet pipe filters external airflow through the dust collection filter screen plate and then introduces the airflow into the heating box, the heating pipe in the heating box heats the airflow entering the heating box, meanwhile, the air suction cover and the air suction pipe convey hot air into the air guide pipe, and the air guide pipe conveys the hot air into the conveying pipe through the guide pipe, the pipeline and the connecting pipe. And the conveying pipe conveys the hot air into the drying box through the air outlet cover, so that the hot air is uniformly filled in the drying box.

The present application relates to the technical field of shiitake mushroom cultivation, and particularly relates to a cultivation method for improving the fruiting efficiency of shiitake mushrooms, which recombines the aging cultivation species of shiitake mushrooms, reassembles the shiitake mushroom fruiting sticks, adds water retention film during the bagging process, and does not pass through crushing during the re-bagging process, thereby reducing the crushing process, reducing the possibility of stick contamination, and allowing oxygen to fully enter the stick after re-bagging, so as to quickly restore the mycelium. By optimizing the layer height, the concentrated heat caused by mycelium recovery is prevented. Research shows that this fruiting method has a larger fruiting amount and a larger number of budlets, and can produce three to five tides of mushrooms, thereby preventing the waste of sawdust resources.

The utility model discloses a coal gangue crushing and fine screening system which comprises a crushing and fine screening device, the crushing and fine screening device is composed of a stock bin, a plate type feeding machine, a first-stage crushing machine, a second-stage crushing machine, a screening device, a main conveying belt, a finished product conveying belt and a returned material conveying belt, the plate type feeding machine is located below a discharging port of the stock bin, and the first-stage crushing machine and the second-stage crushing machine are located below the discharging port of the stock bin. The main conveying belt is located below discharging ports of the plate type feeding machine, the first-stage crushing machine and the second-stage crushing machine, the discharging end of the main conveying belt is located above the screening device, and the screening device screens crushed coal gangue according to the particle size. Compared with the prior art, the complete coal gangue crushing and fine screening production line is established, the whole process is completely automatic, manual carrying is not needed, waste of coal gangue is avoided, the coal gangue is fully and comprehensively utilized, multi-stage screening is carried out through screening equipment, various coal gangue particle products are formed, and the production efficiency is improved. And the economic benefit maximization is realized.

The utility model discloses a modularized splicing type marble measuring tool, which comprises a bearing frame, a V-shaped block I and a V-shaped block II, the V-shaped block I and the V-shaped block II are both inserted in an inner groove of the bearing frame in a sliding manner, a splicing assembly is arranged between the V-shaped block I and the V-shaped block II, the splicing assembly comprises an insertion rod, and the insertion rod is connected with the V-shaped block I and the V-shaped block II in a sliding manner. The inserting rod is fixedly connected to the outer wall of one side of the second V-shaped block, an inserting groove matched with the inserting rod is formed in the first V-shaped block, a lead screw is in threaded connection with the interior of the bearing frame, an extrusion block is rotatably connected to one end of the lead screw and is slidably connected to the interior of the bearing frame, and two limiting rods are slidably connected to the interior of the bearing frame in an inserted mode; by arranging the splicing assembly, the two V-shaped blocks can be spliced for use, even if one V-shaped block is damaged, the V-shaped block can be correspondingly replaced, excessive waste cannot be caused, and cost is saved.

This invention provides a powder tanker unloading system, including a temporary storage tank. The upper part of the temporary storage tank is connected to a feed hose, and the upper end of the temporary storage tank is connected to a filter shell. The filter shell has an exhaust port connected outwards, and a dust filter element is installed inside the filter shell. The lower end of the temporary storage tank is connected downwards to a discharge pipe. A unloading section is located at the lower end of the powder tanker. A discharge pipe, detachably connected to the free end of the feed hose, is located at the bottom of the unloading section. An air injection pipe is arranged around the unloading section. The discharge pipe has a strip-shaped feed inlet extending along its length within the unloading section. Multiple high-pressure air blowing pipes, extending into the unloading section and facing the strip-shaped feed inlet, are arranged inwards from the air injection pipe. The free end of each high-pressure air blowing pipe is open and inclined towards the sealing plug. This invention utilizes high-speed airflow to propel the powder quickly unloading, eliminating the need to maintain a high-pressure environment inside the tank, resulting in lower unloading energy consumption and greater safety.

The invention belongs to the technical field of fire extinguisher filling, and particularly relates to a fire extinguisher dry powder canning method and device.The fire extinguisher dry powder canning device comprises a large powder bin, a supporting frame and a rack, a conveying belt is arranged on the rack, a small powder bin is fixedly connected to one side of the upper end of the supporting frame, and a vacuum pump is fixedly connected to one side of the upper end of the supporting frame; the feeding end of the vacuum pump is communicated with a material suction pipe, the material suction pipe is communicated with the inner cavity of the large powder bin, and the discharging end of the vacuum pump is communicated with the inner cavity of the small powder bin; the device further comprises a filling auxiliary assembly. By means of the filling auxiliary assembly, dry powder in a bottle can be evenly spread through the first flat spreading rod and the second flat spreading rod in the filling process, so that the dry powder can be evenly distributed in the bottle, and the situation that in the filling process, due to local accumulation of the dry powder in the bottle body, the dry powder in the bottle body does not reach the rated filling amount and overflows from a bottle opening is avoided; and the situations of raw material waste and environmental pollution are avoided, so that the accuracy of the filling amount is ensured.

This invention discloses a filtration mechanism and device for industrial pure water preparation, relating to the field of industrial pure water preparation technology. It includes an activated carbon filter with an inlet pipe and an outlet pipe connected to its upper and lower ends, respectively. A drain pipe is also connected to the lower end of the activated carbon filter. Solenoid valves are installed on the inlet, outlet, and drain pipes. A U-shaped sedimentation tank is fixedly connected to the lower end of the drain pipe, forming a sedimentation chamber. This invention improves upon existing activated carbon filters, enabling them to perform activated carbon rinsing, remove activated carbon dust, and collect the dust without wasting water resources. The rinsing operation is simple, and the rinsed activated carbon can be used directly, making it more convenient to use. This invention forms an improved solution that integrates low improvement cost, convenient operation, good rinsing effect, and water conservation.

This invention provides a method for preparing hydrogen and sulfur from solid waste gypsum through reduction and acidification in a cement kiln, relating to the field of solid waste disposal technology. The method involves targeted local modifications to a novel dry-process cement clinker rotary kiln production system. Using desulfurized gypsum, phosphogypsum, and other solid waste gypsum as raw materials, the gypsum is crushed, ground, preheated, and dehydrated. Then, it is calcined in a modified three-lobe gravity semi-suspended rotary kiln at 800–1100℃ in a reducing atmosphere to generate high-purity calcium sulfide. After sealed cooling, the calcium sulfide reacts with byproduct hydrochloric acid to produce high-purity hydrogen sulfide. The hydrogen sulfide is then used to co-produce hydrogen and sulfur via a medium-assisted electrochemical decomposition method, or high-purity sulfur can be directly prepared using the Claus process. This invention achieves full resource utilization of solid waste gypsum using existing cement kiln equipment, requires minimal modification, has low investment costs, and enables the cascade utilization of CO waste gas and kiln waste heat, reducing overall energy consumption by more than 30% compared to traditional processes.