75results about How to "Save flushing water" patented technology

The invention discloses a clothes washing water recycling device, a water-saving clothes washing control method and a washing method of the clothes washing water recycling device. The clothes washing water recycling device comprises a washing cylinder, a circulation water pipeline, a drainage pipeline and an ultrafiltration membrane assembly. The water inlet end of the circulation water pipeline is communicated with a water outlet of the washing cylinder, and the water outlet end of the circulation water pipeline is communicated with a water inlet of the washing cylinder. The ultrafiltration membrane assembly is provided with a water inlet end, a first water outlet end and a second water outlet end. The ultrafiltration membrane assembly is connected to the circulation water pipeline through the water inlet end and the first water outlet end, and a gas conveying device is connected to the water inlet of the ultrafiltration membrane assembly. The circulation water pipeline is further provided with a liquid conveying device, and the drainage pipeline is communicated with the second water outlet end of the ultrafiltration membrane assembly. When much dirt is retained on an ultrafiltration membrane, gas washing is performed on the ultrafiltration membrane, and then water is used for washing. Compared with the manner that only water washing is used, washing water can be saved, and cleaning is better and more thorough.

The invention discloses a backwash type front water filter, and belongs to the field of life articles. The backwash type front water filter comprises a cover body and a cylinder body, wherein the cover body is provided with a water inlet and a water outlet, and the cylinder body is connected with the cover body. A filtering cavity is defined in the cylinder body. A filter screen is arranged in the cylinder body and divides the filtering cavity into an inner filtering cavity body and an outer filtering cavity body. The water inlet is communicated with the inner filtering cavity body, and the water outlet is communicated with the outer filtering cavity body. A drain outlet is formed in the bottom of the cylinder body and provided with a drain valve. The drain outlet is communicated with the inner filtering cavity body. A piston plug capable of moving up and down and a partition block for stopping the communication of the water inlet and the water outlet are arranged on the cover body. A circulation channel for making the water outlet end communicated with the water inlet end is arranged on the partition block. By moving the piston plug up and down to block the circulation channel and the inner filtering cavity body respectively, the inflow water flow direction of the water inlet is controlled, the two wash modes of forward wash and backwash can be achieved, and the cleaning efficiency of the filter screen is improved.

The present invention provides a method for contactlessly controlling a sanitary facility and provides an electronic control apparatus thereof. In the method, a transmitter, a receiver, an evaluation unit and a control unit are used to monitor an area (2) of the sanitary facility (1) and to control at least one actuator (5) of the sanitary facility. The area (2) is monitored using a time-of-flight distance measurement. In particular, the spatial position and / or the speed and / or the direction of movement of objects (7) in the area (2) being monitored is / are detected.

The invention relates to a reverse osmosis water purification machine system for automatically adjusting the recovery rate. The reverse osmosis water purification machine system comprises a first TDS probe, a water inlet electromagnetic valve, a front-arranged filtering system, a booster pump and an RO membrane which are sequentially installed on a pipeline. Pipelines connected with a thick water outlet of the RO membrane comprise two parallel pipelines. The two pipelines are each provided with an electromagnetic valve and a waste water meter. A check valve and a second TDS probe are installed on a pipeline of a pure water outlet of the RO membrane. A third waste water meter is connected with between the thick water outlet of the RO membrane and a water inlet of the booster pump in parallel. A flushing electromagnetic valve is installed between the thick water outlet of the RO membrane and the water inlet of the booster pump in parallel. The two TDS probes, the flushing electromagnetic valve and an electromagnetic valve system are connected with a control system. The invention further discloses a control method of the reverse osmosis water purification machine system. The system can adjust the recovery rate automatically according to the detection result, save water for flushing the RO membrane, avoid unnecessary waste resource waste, and greatly improve the technological level of the existing industry.

The present invention belongs to the field of sea water desalting technology. The pre-treatment process includes the technological steps of treating sea water successively in medium filtering unit, carbon filtering unit, precise filtering unit, ultrafiltering unit and nanometer membrane unit; and makes water reach the requirement of liquid flow type capacitive sea water desalter. The pre-treatment process can eliminate most of the hard ions in sea water and lower the concentration of water, so as to prevent scaling in sea water desalter, prolong the service life of sea water desalter, raise the efficiency of sea water desalter and lower cost of desalting sea water.

The invention provides a quick filter system for wheat juice, which aims at solving the bottle-neck technical problem that the filter speed of a wheat juice filter slot unit of an existing beer saccharifying system is slow and relates to the technical field of beer production. The quick filter system for the white juice comprises a filter slot, wherein the filter slot is connected with a system charging and discharging process route; the system charging and discharging process route comprises saccharified mash charging, early-stage turbid mash discharging, filtered clear juice discharging, filtered solid spent grain discharging, flushing for spent grain residual sugar washing water, flushing for washing liquid in the filter slot and filtered undersize mud, and introducing compressed air to a pneumatic slot scraping mechanism; a wheat juice discharging part of the filter slot further comprises a bypass pipeline which is used for directly discharging the wheat juice liquid supernatant. The quick filter system for the wheat juice provided by the invention can be used for greatly shortening the process time for filtering the saccharified mash, so that the bottle-neck technical problem that the filter speed of the wheat juice filter slot unit of the existing beer saccharifying system at home and abroad is slow in the recent two centuries is solved. Besides, the quick filter system for the wheat juice can be used for realizing the purpose of shortening the whole process time by optimizing each process route link in the mash heat juice filtering.

The invention relates to a multifunctional floor drain with the height of water drainage cover board of the same layer being adjustable, belonging to the technical field of same layer water drainage in construction industry. The two directions of a shell (5) of the floor drain are respectively provided with a water inlet (2) and a water outlet (3), the water inlet is higher than the water outlet by certain height; a cover board (1) is positioned on the top of the shell (5); an elbow pipe (4) is arranged in the shell (5) and is in socket and spigot joint with the water outlet; a rubber seal ring (6) is arranged at the joint for preventing air leakage; the lower orifice of the elbow pipe (4) in the shell (5) is of teeth shape; the top face of the teeth is contacted with the bottom of the shell (5); the upper part of the elbow pipe (4) is provided with an external thread body and a corresponding internal thread body (7); the middle of the cover board (1) on the top of the shell (5) is fixed with the thread bodies on the elbow pipe (4) by tenons; and the cover board (1) is provided with water inlet pores arranged clockwise in a curve. The height of the cover board can be properly adjusted to be convenient for a user to decorate; the water storage in the system is little while ensuring efficient water seal height, thus saving water, deodorizing, facilitating cleaning and system blockage prevention; and the pores in a curve on the board is favorable for accelerating water drainage.

The invention discloses a caulking device and a caulking method for building facing bricks, which are suitable for sticking construction of various building exterior wall facing bricks and outdoor paving bricks. The device comprises a mortar stirring and pressing device, a conveying hose and a caulked joint mouth. After the exterior wall facing bricks are stuck, stirred caulking mortar is poured into the mortar stirring and pressing device and conveyed to the caulked joint mouth by the hose with the rotation of the mortar stirring and pressing device; a handheld switch controls mortar output; the caulked joint mouth is aimed at a brickwork joint at an angle of 45 degrees to shove mortar to caulk the brickwork joint; and a mortar pressing spring arranged on the caulked joint mouth presses the mortar into a smooth semi-circle groove. The device and the method can caulk compact and beautiful facing brick brickwork joint, improve the waterproof performance of the exterior wall, and solve the technical problems of difficult cleaning of the facing bricks, environmental pollution and facing brick pollution which are caused by the prior full plastering caulking. The method has the advantages of simple process, convenient construction, great cleaning water and labor conservation, environmental protection, construction cost conservation, excellent economic, environmental-protection and social benefits.

The invention discloses a permanent magnet center-opening-type multi-roller multi-element high-gradient vibration energy-saving magnetic separator. The magnetic separator comprises a dielectric groove and rod medium, a low field intensity permanent magnet roller, a coarse medium mesh groove and coarse medium mesh, a medium field intensity permanent magnet roller, a high field intensity permanent magnet roller, a mechanical vibrator, a machine frame, a discharging hopper, a machine body, a medium mesh groove and fine medium mesh, a transparent separation window, a pneumatic vibrator, a feeding hopper and a damping spring. The machine body is arranged on the machine frame through the damping spring. The magnetic separator is of a center-opening-type symmetrical structure. The permanent magnet center-opening-type multi-roller multi-element high-gradient vibration energy-saving magnetic separator disclosed by the invention is unique in magnetic system design and large in separation space; moreover, the separation requirements of different property materials can be met conveniently by adjusting the matching of magnetic roller materials, spacings and magnetic matrices; material adaptability is high, and broadly-graded materials containing various sorts of different magnetic substances can be treated; the technology is flexible, and dry-process separation and wet-process separation can be performed; and moreover, material roughing and scavenging operations can be completed at the same time.

The invention provides a biochemical recovery second-generation toilet seat and a matching apparatus thereof, wherein urination and defecation are divided in the toilet seat; a full-automatic odor blocking apparatus is arranged under a defecation channel; five holes are arranged on a urination discharging tank; a urination storage pipeline is arranged under the urination discharging tank; and a hole site is reserved at the back of a branch pipe for connecting a feces delivery pipe and the toilet seat, and a connecting pipe is connected on the hole site. The port of a plastic bucket with non-glue dry powder is pressed, a center hole connecting pipe is inserted into an air bag in the bucket, and the non-glue dry powder can be sprayed to the branch pipe through the connecting pipe; and after a user uses the toilet, a panel is covered, a handle at the front end of the toilet seat is lifted, and a piercing cross bar which is arranged on a connecting rod screwed at a center hole overcomes the tensile force of a spring arranged on the connecting rod while ascending so that a gag at the lower end of the connecting rod goes upwards from a urination outlet along a guide railing barrel and urine flows out of the urination outlet to wash the baffle plate of the full-automatic odor blocking apparatus and defecation reserved in the branch pipe and supported by the non-glue dry powder, thus achieving the purpose of flushing a toilet without water or with a little water.

The invention discloses a self-cleaning wet type electrostatic precipitation demister capable of working continuously. The electrostatic precipitation demister comprises discharge electrodes, fixed anodes, an atomizing device, a first water spraying washing device and a second water spraying washing device, wherein the first water spraying washing device is installed at the upper parts of the discharge electrodes, the second water spraying washing device is installed at two sides of the fixed anodes, the atomizing device is installed at a smoke inlet and is used for guaranteeing the humidity of smoke, and the water spraying washing devices enable a washing area to be powered off temporarily and a non-washing area to be powered normally for work according to the control sequence of an automatic program. The electrostatic precipitation demister can remove extra over 90% of dust (containing fine particulate matters), gypsum rain and acidic materials in the smoke without improving an existing deduster and desulfurizer, and can remove part of heavy metals in the smoke, the processed smoke satisfies the newest national environment protection standards, the requirement of a chimney on anticorrosion is lowered, a GGH(gas-gas heater) is omitted, and water, electricity and capitals are saved.

The invention discloses a pulsating cleaning method used for filtering equipment, which mainly relates to the cleaning of water treatment filtering equipment. The invention belongs to the technical field of water treatment, and can also be used for the cleaning process of the fluid filtering equipment for gas, oil materials and the like. The invention has the technical scheme that the pulsating cleaning method disclosed by the invention is characterized in that a back flushing mode and a positive flushing mode are alternately adopted in the cleaning cycle of the filtering equipment, and in addition, the invention has the advantages of simplicity and easy implementation. The invention uses the cleaning process of water treatment mechanical filters, can effectively improve the cleaning effect, shorten the time, and save water.

The invention discloses a rock-peeling gangue dry-process desliming method. A desliming agent is added into a dug gangue region and is uniformly mixed, and then is subjected to the steps of standing, crushing and sieving. A soil curing principle is applied to exploration and machining of rock-peeling gangues; the desliming agent is added so that the shape and appearance of a crushed stone product can be remarkably improved, and the mud residues can be greatly reduced; the mud content index meets the requirements of II-type products in GB / t14685-2011 and above. The method disclosed by the invention is a dry-process process so that water for washing crushed stones can be greatly reduced and water resources are saved; the method has obvious environmental benefits and social benefits, and has particularly remarkable effects on arid regions lack of the water resources.

The invention relates to the field of sanitary equipment, in particular to a positive and negative pressure composite-type pneumatic toilet flushing system, which comprises a PLC (programmable logic controller) control cabinet, a vacuum and compressor machine room system, a gas and dirt separating system and a toilet flushing control system, wherein a control vacuum pump and an air compressor of the vacuum and compressor machine room system work in accordance with a logic program in a mode of being connected to the PLC control cabinet. The toilet flushing system disclosed by the invention has the beneficial effects that the toilet flushing system can save water consumed in toilet flushing, solve the problem of odor dissipation and simplify application conditions.

The invention relates to a central transmission mud-scraping and sucking machine, which is arranged in a secondary sedimentation tank and comprises a driving mechanism, a mud scraping mechanism, a mud sucking mechanism, a mud collecting mechanism, a mud discharging mechanism and a support mechanism, wherein the driving mechanism is arranged on the support mechanism, the mud scraping mechanism and the mud sucking mechanism are connected with the driving mechanism, the mud sucking mechanism is connected with the mud collecting mechanism, the mud discharging mechanism is arranged on the support mechanism, and one end of the mud discharging mechanism is connected with the mud collecting mechanism while the other end is connected to the outside of the sedimentation tank. When in use, a rotary frame is driven by the driving mechanism to rotate so as to drive the mud scraping mechanism to rotate, afterwards, the mud is sucked to the mud collecting mechanism by the mud sucking mechanism and then discharged out of the sedimentation tank through the mud discharging mechanism based on the principal of siphon. The central transmission mud-scraping and sucking machine is simple in structure and low in energy consumption.

The invention relates to the field of tap water, which specifically comprises a water type generator set, a battery, a water pump, a diversion box, a double-trough water tank for a closestool and so on. The invention is an automatic water-saving system which consumes no energy. The wastewater flows down from pipes into a wastewater trough for later use. When the water amount in the wastewater trough exceeds the limit volume, the water level rises and the diversion box diverts the water into a large water tank to be stored. When the wastewater trough has no water, a can buoy and an elastic switch on the circuit due to the loss of the floating force; when the water in the wastewater trough reaches the limit height, the can buoy and the elastic switch off the circuit through the floating force and the water pump stops working. When both the wastewater trough and the large water tank have no water, a standby tap water trough (standard equipment of the ordinary closestool) is started to flush the closestool.

The invention discloses a water-saving intelligent motor foam toilet stool system, which comprises a toilet stool, a water inlet valve connected with the toilet stool, a unidirectional conduction valve for discharging, a PLC numerical control device, a numerical control motor controlled by the PLC numerical control device, a rotary pump body and a foam controller driven by the motor, wherein the rotary pump body is added between the toilet stool and the unidirectional conduction valve; the foam controller is equipped between the toilet stool and the water inlet valve; the water inlet valve is an electromagnetic valve controlled by the PLC numerical control device. Through the scheme, the toilet stool washing water is saved; the odor is isolated; the waste can be quickly conveyed and discharged strongly. As the decrease of the washing water, the domestic wastewater for washing toilet stool is reduced on a large scale, so that the water-saving and reduction functions can be realized; at the same time, the motor can be used for crushing the waste, the quantity and difficulty for sequentially treating domestic wastewater can be reduced; and the system has a great economic benefit and a social effect.

The invention provides a urine rinse-free type dual purpose toilet. The urine rinse-free type dual purpose toilet comprises a toilet base, a water tank mounted above the toilet base, a urine collecting pool and a excrement collecting pool positioned in the toilet base, and a dual channel discharging component positioned at the bottom of the toilet base, wherein the dual channel discharging component is a three-way pipeline, one pipeline is connected with the urine collecting pool, one pipeline is connected with the excrement collecting pool, and the other pipeline is connected with the discharging pipeline. The connection part between the urine collecting pool and the dual channel discharging component is provided with a discharging smell defence component, and an S bend aftertaste preventing pipeline is arranged between the excrement collecting pool and the dual channel discharging component. Compared with the prior art, the same toilet is adopted for urine and excrement, and the urine is rinse-free type for saving water, the sealing effect is good, the maintenance is simple and bacterial odor pollution is not generated.

The invention relates to a pig house capable of respectively collecting pig manure, pig urine and wash water. The pig house capable of respectively collecting the pig manure, the pig urine and the wash water comprises a pig house body, an automatic feeding device and a drinker, and is characterized in that a urine drainage ditch and a sewage drainage ditch are arranged on an outer side of the pig house body, wherein the sewage drainage ditch is arranged on an outer side of the urine drainage ditch. An excrement drainage platform is arranged on a corner of the pig house body, and an excrement accumulation pool is arranged outside a wall opposite to a side of the excrement drain platform. A urine drainage shallow ditch is arranged around the excrement drain platform, and the urine drainage shallow ditch is directly drained to the urine drainage ditch by a urine drainage guide pipe penetrating the wall or drained to the sewage drainage ditch by the urine drainage guide pipe penetrating the wall through see-saw type transfer bridge groove after the urine drainage shallow ditch is connected with a urine discharge ditch in abutted mode along the direction of the wall or a fence. A water drainage shallow ditch is arranged around the drinker and drained to the sewage drainage ditch by a water drainage guide pipe penetrating the wall and crossing the urine discharge ditch after the water drainage shallow ditch is connected with a water drainage ditch in abutted mode along the wall or the fence.

The invention relates to a carrageenan preparation method. The method comprises the following steps: 1, immersing eucheuma in an inorganic acid to soften external fibers of the eucheuma; 2, processing the inorganic acid immersed eucheuma under ultrasonic conditions for 30-60min, cleaning, swelling to soften eucheuma frond, and draining obtained frond residues for later use as a raw material; 3, carrying out alkali modification on the frond residues obtained in step 2 in a sodium hydroxide and potassium hydroxide mixed solution, and neutralizing the modified raw material by using a diluted acid solution to the pH value of 7-8; 4, cleaning the modified raw material by using clear water, adding a cellulase solution, and processing; 5, carrying out microwave radiation treatment under a microwave radiation power of 300-350W for 18min; and 6, carrying out high temperature water boiling gel extraction, adding an inorganic salt with the weight concentration of 3.5-12.5% and the pH value of 6.5-7 in the gel boiling process, and simultaneously adding a potassium pyrophosphate assistant in the gel boiling process.

A water purifier filter element with a cleaning function comprises a shell, a filter membrane assembly arranged in the shell and an end cover arranged at the tail end of the shell, the shell is provided with a water inlet and a purified water outlet, a driven ring capable of stirring water in the shell is rotatably arranged on the inner side of the end cover, the driven ring is provided with a driven magnet, the outer wall of the end cover is provided with a driving ring capable of driving the driven ring to rotate in a rotating state, and the driving ring is provided with a driving magnet attracting or repelling the driven magnet. The driving ring drives the driven ring to rotate through magnetism, and the driven ring does not need to be provided with a water seal, so the installation requirement is lowered; and macromolecular group water is converted into small molecular group water in the magnetization process, so water can pass through a filtering material easily, and the purifiedwater flow of a water purifier is increased.

The invention discloses a rock-peeling gangue dry-process desliming method. A desliming agent is added into a dug gangue region and is uniformly mixed, and then is subjected to the steps of standing, crushing and sieving. A soil curing principle is applied to exploration and machining of rock-peeling gangues; the desliming agent is added so that the shape and appearance of a crushed stone product can be remarkably improved, and the mud residues can be greatly reduced; the mud content index meets the requirements of II-type products in GB / t14685-2011 and above. The method disclosed by the invention is a dry-process process so that water for washing crushed stones can be greatly reduced and water resources are saved; the method has obvious environmental benefits and social benefits, and has particularly remarkable effects on arid regions lack of the water resources.

The invention discloses a cleaning machine for rinsing a chick manure tray. The cleaning machine comprises a machine body and a water storage tank, wherein the upper part of the water storage tank ishorizontally provided with two rows of brush rollers, the upper and lower two rows of the brush rollers are respectively connected with motors through chains, the chick manure tray is passed between two rows of the brush rollers, a plurality of PVC pipes are respectively arranged above and below two rows of the brush rollers, the PVC pipes are fixedly connected with the machine body, the bottoms of the upper PVC pipes are evenly provided with a plurality of water outlet holes, the tops of the lower PVC pipes are evenly provided with a plurality of water outlet holes, the upper and lower two groups of the PVC pipes communicate with each other and communicate with one end of a hose, the other end of the hose is connected with a submersible pump in the water storage tank, and the bottom of the water storage tank is also provided with an water outlet valve. The cleaning machine adopts mechanical cleaning, the cleaning is relatively clean, and time is saved and labor is saved.

A water-saving exhaust toilet, the toilet is directly bent from the bottom of the toilet to a section of sewage discharge nozzle, and a section of flexible rubber hose is sleeved on the nozzle, and the rear end of the rubber hose is connected with a positioning elbow and a sewage discharge pipe. The improved Drain valve, make the pull rod under the button press lever link to the shaft roller to lower the hose gate, the dirt will be discharged by itself, and the flushing water will flush the inner wall of the toilet and the bottom of the toilet in a super-rotating way. When the shaft roller lifts the hose, the hose becomes the gate of the sewage outlet , Block the remaining water and seal the aftertaste. Connect the improved overflow pipe to the exhaust pipe. At the appropriate section of the pipe, install a jacket box with a small exhaust fan. The pipe is connected to the exhaust cap of the tail fin, which is located in the windy place outdoors, so that it can exhaust itself all the time. Use a small exhaust fan to deodorize. When the outdoor wind force is greater than level 3, the exhaust cap will automatically deodorize the toilet and keep the indoor air fresh. The toilet has no auxiliary flushing nozzle, saves the water for auxiliary flushing, and saves about half of the water compared with the general siphon toilet, which is of great significance to my country where water resources are scarce.

The invention discloses a female urine bag free of pollution, infection and discharge of waste and capable of being recycled and based on a food packing bag, relates to the field of public health supplies, and fills the gap that the food packing bag can serve as the portable urine bag after usage. The female urine bag comprises a fixing ring, the food packing bag, a vessel cover, a sealing ring, an upper buckle and a lower buckle, wherein the opening edge of the food packing bag and the edge at the lower end of the fixing ring are fixed together; the vessel cover is movably connected with the edge of the fixing ring through a rotary shaft; the sealing ring is arranged on the periphery of the edge on the outer side of the vessel cover; the upper buckle is fixed on one side of the edge on the outer side of the vessel cover; the lower buckle is fixed on the outer wall of the edge of the fixing ring, corresponds to the position of the upper buckle, and can be buckled with the upper buckle. The female urine bag is simple in structure, and easy, convenient and comfortable to use. After food in the food packing bag is eaten up, the food packing bag can be recycled to serve as the urine bag, therefore, resources can be utilized repeatedly, cost is low, and water is saved. Furthermore, the whole urine bag can be sealed through the sealing ring, the upper buckle and the lower buckle, and therefore, the female urine bag is good in airtightness and free of peculiar smell.

The invention provides a sink flushing part and a novel sink. The novel sink comprises a sink body and a sink table board. The sink body comprises a bottom wall and a sink wall extending upwards fromthe bottom wall and surrounding the bottom wall; an annular water flow channel is formed in the top of the sink wall; the annular water flow channel is provided with at least one water inlet communicating with an external water inlet pipe; the bottom wall is provided with drainage holes; the sink table board is arranged above the sink body; the sink table board comprises an annular flange panel and an insertion portion extending downwards along the inner wall of the flange panel; the insertion portion extends into the sink body; an annular water outlet communicating with the water flow channelis formed between the insertion portion and the sink wall; and water is sprayed by the annular water outlet along the inner wall of the sink wall.

The invention provides an integration tower capable of eliminating white smoke plume and various contaminants. The integration tower comprises a tower body, a power supply part and an outer circulation water system. The integration tower is characterized in that the tower body comprises five regions distributed from bottom to top; the five regions sequentially comprise a smoke gas inlet region, aspraying temperature lowering charge region, a wet electric dust removal region, a tubular smoke gas reheating region, and a smoke gas outlet region, wherein the outlet end of the smoke gas inlet region is communicated with the spraying temperature lowering charge region; a spraying temperature lowering layer and a water mist charge layer are arranged in the spraying temperature lowering charge region; the spraying temperature lowering layer is used for lowering the temperature of smoke gas; the water mist charge layer is used for sensing charges of particles and fog drips; a hexagonal dust collecting plate and an outer hanging type cathode device are arranged in the wet type electric dust removal region; a plurality of up-in bottom-out heat exchange pipes are distributed in the tubular smoke gas reheating region and are used for achieving the reheating effect on the smoke gas subjected to temperature lowering and dehumidification; the problem that submicron order particles and fog drips cannot be efficiently removed can be solved; the energy consumption is low; the cost is low; the field requirement is low.

The invention relates to isophthalonitrile and / or terephthalonitrile dry trap technology. Mixed gas formed at an outlet of an oil cooler after a reaction is cooled by a water cooler and enters a dry trap, gaseous isophthalonitrile and / or terephthalonitrile is separated at the inner wall and hanging board surface of the dry trap, forms a soil, and falls into a pulverization feeder located at the bottom of the dry trap, the obtained product is pulverized, and the pulverized product is conveyed to a refining section through a dry trap scraper plate feeder. Compared with the technology in the prior art, the technology allows automatic continuous discharge to be achieved, the labor intensity of a worker is reduced, the on-site environment is improved, and consumption of flushing water is greatly reduced, so that the wastewater quantity is greatly reduced.

The invention relates to a trapping device and process for the production of o-chlorobenzonitrile, comprising a multi-stage trapping melter, an intermediate tank (2), a liquid separator (3), an aqueous phase receiving tank (4), a flocculation solids receiving tank (5), organic phase receiving tank (6); the trapping melters at all levels are connected in series in sequence, and the trapping melters at all levels are connected to the middle tank (2), and the middle tank (2) is connected to the liquid separation through the pump The device (3) and the liquid separator (3) are respectively connected to the parallel water phase receiving tank (4), the floc receiving tank (5) and the organic phase receiving tank (6). Compared with the prior art, the invention improves the collection rate, realizes continuous discharge, reduces the labor intensity of workers, improves the working environment on site, and reduces the amount of waste water produced.

The invention relates to an ultralow-concentration copper-molybdenum separating flotation method, and belongs to a copper-molybdenum separating flotation method. The pre rough flotation operation slurry concentration is 15-20%, the first-time pre scavenging operation slurry concentration is 12-15%, the second-time pre scavenging operation slurry concentration is 10-13%, the third-time pre scavenging operation slurry concentration is 8-10%, the rough flotation operation slurry concentration is 8-10%, the first-time scavenging operation slurry concentration is 8-10%, the second-time scavenging operation slurry concentration is 8-10%, the third-time scavenging operation slurry concentration is 8-10%, ten times of finish flotation is carried out, the first-time finish flotation operation slurry concentration is 8-10%, the finish flotation operation slurry concentration from the second time to the tenth time is gradually reduced, and the tenth-time finish flotation operation slurry concentration is 3-5%. The method has the advantages that the whole process operation is smooth, each operation flotation foam target mineral is clean, and copper-molybdenum separating molybdenum concentratequality is effectively ensured.