825 results about "Membrane filter" patented technology

The invention discloses a novel electrolytic tank pipeline filter and a self-cleaning system. The novel electrolytic tank pipeline filter comprises a multi-stage filtering part, the self-cleaning system and an intelligent control system, the multi-stage filtering part comprises multi-stage filter elements arranged in the material pipeline, and the multi-stage filter elements are arranged from large to small according to the filtering particle size to form a filtering gradient; the self-cleaning system acts on the multi-stage filter element part at the same time or in a time-sharing manner on the basis of a fluid reverse recoil principle; the self-cleaning system is combined with pulsating flushing control, so that the filter element is separated from a filter cake at low loss; the multi-stage gradient filtration is adopted, impurities are efficiently and accurately intercepted, the filter elements with the particle sizes from large to small are arranged in a gradient mode, the first-stage titanium alloy filter element intercepts large particles, the second-stage polytetrafluoroethylene membrane filters tiny impurities, the efficiency is improved through graded interception, the loss of the filter elements is reduced, and the material purity and the hydrogen production quality are guaranteed. The multi-element self-cleaning technology is adopted, low-loss deep cleaning is achieved, and the self-cleaning system integrates multiple technologies such as fluid reverse backflushing, pulsating flushing, ultrasonic vibration and a pulsed electric field.

The invention belongs to the technical field of 4-BMA mother liquor recycling, and relates to a method for recycling 4-BMA in mother liquor by adopting a membrane treatment technology, which comprises the following steps: dropwise adding isopropylamine into 4-BMA refining wastewater, adjusting the pH value to 8-9, selecting a proper filter membrane, and filtering by using membrane filtering equipment at a certain temperature to obtain concentrated liquor and permeate liquid; the maximum separation effect is achieved by controlling the volume ratio of the permeate to the concentrated solution, and the 4-BMA isopropylamine salt concentrated solution is obtained; ethyl acetate is added into the 4-BMA isopropylamine salt concentrated solution for extraction, then 13.5 wt% hydrochloric acid is dropwise added for crystallization, and a 4-BMA product is obtained. According to different solubility of 4-BMA, isomer and isopropylamine after salification in water, the isomer salt is dissolved in water to be removed, 4-BMA salt with high purity is obtained, qualified 4-BMA with the purity larger than or equal to 98.00% is obtained through acid adjustment, and the purity of 4-BMA is larger than or equal to 98.00%. The method is low in energy consumption, simple in process, simpler to operate and easier to convert.

The invention discloses a mineral substance adjusting method and system of a water purifier, the water purifier and a medium. The mineral substance adjusting method comprises the following steps: calculating a target divalent ion contribution value according to a monovalent ion rejection rate, a divalent ion rejection rate, first detection data and second detection data; calculating a monovalent ion mineral retention value and a divalent ion mineral retention value according to the monovalent ion rejection rate, the divalent ion rejection rate and the target divalent ion contribution value; and adjusting a water mixing valve based on a comparison result of the monovalent ion mineral retention value or the divalent ion mineral retention value and a set retention value, so that water is introduced into the first water purification system according to a proportion to realize mineral adjustment. The ion mineral retention value is calculated according to the front and back detection data of the first membrane filter element in the second water purification system, the proportion adjusting system is adjusted according to the comparison result of the ion mineral retention value and the set retention value so as to control the water passing amount of the first water purification system, the mineral content is automatically adjusted according to the user requirement, and the user experience degree is enhanced.

The invention relates to the technical field of water purification equipment, particularly provides a reverse osmosis membrane filter element and a water purifier, and aims to solve the problems that the amount of waste water generated after raw water of an existing water purifier passes through a reverse osmosis membrane is large, namely, the purification-waste ratio is low, and the waste water discharge amount is too large, so that unnecessary waste of water resources is caused. In order to achieve the purpose, the reverse osmosis membrane filter element comprises a first filter element and a second filter element, the first filter element is nested on the outer side of the second filter element and is detachably connected with the second filter element, and wastewater generated by filtration of the first filter element is subjected to secondary filtration through the second filter element and then is discharged from a wastewater port. According to the reverse osmosis membrane filter element designed by the invention, wastewater generated after raw water is filtered by the first filter element is filtered again by the second filter element, and a part of pure water is generated again, so that the wastewater discharge is reduced, the wastewater ratio is increased, the purpose of double filtration is realized, and the waste of water resources is reduced.

The invention relates to the technical field of reverse osmosis filtration, and discloses a reverse osmosis membrane filter element assembly and a use method thereof.The reverse osmosis membrane filter element assembly comprises two annular plates, a hollow cylinder is rotationally connected between the two annular plates, a motor is fixedly connected to the top of the upper annular plate, and the motor drives a large gear to rotate through a small gear on a first rotating shaft; the large gear drives the hollow cylinder to rotate, the hollow cylinder drives the first filter screen and the fixing plate to rotate when rotating, and the second filter screen slides in the sliding groove to extrude the spring to generate elastic force, so that the first filter screen and the second filter screen are staggered, the size of a filter screen opening is reduced, large particles in water are blocked in the first filter screen, and the filtering effect is achieved; when the hollow cylinder stops rotating, the filter screen II resets under the action of the elastic force of the spring, so that the filter screen openings are aligned, particles in the filter openings are thrown out under the action of inertia force, and filtered water flows into the next process through the water outlet, so that impurities are prevented from flowing out from the filter openings, and the filtering effect is improved.

The utility model belongs to the technical field of tobacco production, and particularly relates to a device for cleaning a barrel-type film-covered filter element, which comprises a dust collection barrel, a cleaning air knife assembly, a catch wheel, a carrier roller and a power-assisted air knife assembly, and is connected with the barrel-type film-covered filter element cleaning assembly in a manner that the barrel-type film-covered filter element is sleeved outside the cleaning air knife assembly; the outer surface of the barrel-type membrane filter element is in rotary contact with the outer walls of the two carrier rollers respectively, and the end face of the blind cover of the barrel-type membrane filter element is in rotary contact with the rotary end of the catch wheel 3. The device disclosed by the utility model can shorten the time consumed by soot blowing and cleaning of a single filter element, greatly improve the cleaning efficiency, avoid the damage to the filter element or pollution and damage to the environment caused by a traditional soot blowing mode, save the energy consumption of compressed air used for soot blowing, and have important significance in popularization in the whole tobacco industry.

The utility model discloses a backwash zero stale water purification system, including preposed filter element and membrane filter element, preposed filter element includes first water inlet and first water outlet, the first water inlet is communicated with water inlet pipe and blow-off pipe, water inlet pipe is equipped with first valve, blow-off pipe is equipped with second valve, membrane filter element includes second water inlet, clean water mouth and waste water mouth, the second water inlet is communicated with the first water outlet, the purified water port is communicated with a water storage barrel, and the water storage barrel is used for receiving and storing purified water flowing out of the purified water port of the membrane filter element, so that when the second valve is opened, the purified water in the water storage barrel is used for backwashing the membrane filter element and the front filter element and is discharged through a blow-off pipe; the purified water backwash can wash out impurity microorganisms and the like intercepted in the front filter element without remaining in the filter element, so that the problem that the filter element is blocked and needs to be frequently replaced is solved, the problem of secondary pollution caused by reproduction and fermentation of the substances in the filter element can be prevented, and the water quality is prevented from influencing the water health of a user.

The invention provides a grinding fluid filtering system of a grinding machine and a high-precision numerical control thread grinding machine used for the grinding fluid filtering system. The grinding fluid filtering system comprises a filtering assembly, the filtering assembly comprises a coarse filtering mechanism, and the coarse filtering mechanism comprises a moving assembly arranged in a shell and used for filtering cooling liquid filter residues and a collecting assembly arranged on the moving assembly and used for collecting the filter residues; the cleaning assembly is arranged on the moving assembly and is used for cleaning the filter screen; the coarse filtering mechanism adopts an annular metal filter screen, so that the filtering area is increased, a push strip collects filter residues, and a cleaning assembly prevents blockage; the centrifugal filtering mechanism feeds cooling liquid into a centrifugal tank at a high speed through a pressurizing assembly, and impurities are precipitated and separated due to density difference; the membrane filtering mechanism performs fine filtration through a filtering membrane, the pressure washing assembly drives cooling liquid to reversely wash the filtering membrane through the upper and lower pressure difference, attached impurities are removed, and the cooling liquid cleaning efficiency and the machining precision are remarkably improved in cooperation with the anti-blocking sweeping and washing functions.

The invention discloses freeze-drying equipment for milk powder production and a processing technology thereof, and relates to the technical field of milk powder drying. The device comprises a milk tank, the outer wall of the milk tank is connected with a film filter through a pipeline, the top of the right end of the film filter is provided with a U-shaped pipe, the right side of the U-shaped pipe is provided with a liquid nitrogen barrel, the bottom of the liquid nitrogen barrel is provided with a heating assembly, the bottom of the heating assembly is provided with a cooling mechanism, and the cooling mechanism is internally provided with a refining device for refining milk powder. An anti-pollution device for preventing external cold air from polluting milk powder is arranged in the refining device, and an electric sliding rail is fixedly installed on the top of the inner wall of the liquid nitrogen barrel. According to the invention, the trapezoidal block can be driven to horizontally slide to distinguish up-to-standard milk powder from non-up-to-standard milk powder, so that the problem that the quality of the milk powder is difficult to detect in the production and discharging process of the milk powder is avoided, synchronous discharging of the milk powder with difference in quality and deficiency is prevented, the condition that the non-up-to-standard milk powder is mixed with good milk powder is avoided, and the overall quality of a finished product is improved.

The invention belongs to the technical field of petrochemical engineering, and relates to a continuous coking production system and process method for hydrogenated unconverted oil, and the production system comprises a membrane filter, a raw material tank, a homogenizer, a tubular furnace, a coking machine, an oil cooler and a stock bin. According to the invention, the continuous production of the high-quality petroleum coke is realized by combining a synergistic process method of membrane filtration, modification, homogeneous emulsification and tubular furnace coking machine coupling with a graphite adding and hydraulic conveying technology without a noble metal catalyst. The sulfur content, the ash content and the volatile components of the petroleum coke prepared by the technological method all meet the industrial standards, the requirement of pre-culture low-emission anode coke of electrolytic aluminum can be met, and the cost is low.

The invention discloses a negative carbon plate tower type stainless steel membrane bacteria and algae water treater which comprises a solar photovoltaic cell assembly, a circuit control device, an upper water tank, a three-dimensional plate tower type algae pool, an LED light-emitting plate assembly, a stainless steel membrane filtering assembly, a shading algae sedimentation pool, a peristaltic pump, a dredge pump and a water outlet pipe. The three-dimensional plate-type tower-shaped algae pool is arranged above the ground surface and below the upper water tank, and the upper water tank is used for receiving sewage to be treated and enabling the sewage to flow into the three-dimensional plate-type tower-shaped algae pool through gravity; the shading algae sedimentation tank is arranged to be of a buried bucket-shaped structure by utilizing the characteristic that algae naturally settles in a shading environment, and the stainless steel membrane filtering assembly is arranged at the upper part of the shading algae sedimentation tank; the method not only improves the treatment efficiency and quality, but also realizes negative emission of carbon dioxide, provides a new thought for benefit increase of sewage technical treatment in the carbon economy era, and makes a contribution to relieving global climate warming.

The invention provides an ester exchange reaction separation coupling device and method, and belongs to the technical field of chemical engineering, the ester exchange reaction separation coupling device comprises a reaction kettle, a circulation pipeline and a catalyst preparation tank; the top of the reaction kettle is provided with a feed port, and the bottom is provided with a discharge port; the circulating pipeline is located on the outer side of the reaction kettle, and the two ends of the circulating pipeline are communicated with the feeding port and the discharging port respectively; the circulating pipeline is sequentially connected with a membrane filtering unit, a micro-interface strengthening mixer and a pre-reactor from the discharging opening to the feeding opening, and the circulating pipeline is further connected with a circulating pump; the catalyst preparation tank is connected to the position, between the membrane filtration unit and the micro-interface strengthening mixer, of the circulation pipeline through a feeding pipe; the circulating pipeline is provided with a waste catalyst discharging pipe at the upstream of the feeding pipe, and when part of the waste catalyst in the circulating pipeline is regularly discharged, a new catalyst is supplemented to the circulating pipeline at the same time; according to the arrangement, after mixed feed liquid is introduced into the reaction kettle, the influence of discharge of a waste catalyst on the transesterification reaction in the reaction kettle can be reduced.

The invention discloses a crystallization device for sodium sarcosinate production, relates to the technical field of crystallization devices, and aims to solve the problems that when supersaturated liquid drops make contact with the wall surface of a low-temperature gas-liquid separator, water evaporation is intensified, the solubility of solute is further reduced due to temperature reduction, crystal precipitation is accelerated under the dual action, the supersaturated liquid drops are prone to being attached to the wall of a tank in the crystallization process, and the crystallization effect is poor. In order to solve the problems that the heat exchange efficiency is influenced by scaling of a tank wall, wall-adhered crystals cannot be recycled and the yield is reduced in the prior art, an evaporator is mounted on one side of a gas-liquid separator, a cyclone separator is mounted on the other side of the gas-liquid separator, an ultrasonic disperser is mounted on one side of the cyclone separator, a membrane filter is mounted on one side of the ultrasonic disperser, and a water outlet is formed in the other side of the membrane filter. A gas-liquid separator cleaning mechanism is mounted in the gas-liquid separator, a gas-liquid separator scraping frame is mounted at one end of the gas-liquid separator cleaning mechanism, and a membrane filter cleaning mechanism is mounted in the membrane filter.

The invention provides a new pollutant high-efficiency membrane treatment intelligent device based on solid waste geopolymer, and relates to the field of filtering equipment, the new pollutant high-efficiency membrane treatment intelligent device comprises a filtering box, a rigid support frame is arranged on the inner wall of the filtering box, a filtering membrane is supported on the rigid support frame, and a flexible elastic buffer gasket is arranged on the contact surface of the rigid support frame and the filtering membrane; the filtering membrane is a geopolymer membrane; a specific functional layer is compounded on the geopolymer film; an outlet of the emptying valve is communicated with the flow guide channel. And the membrane filter cartridge is detachably connected with the connecting part of the membrane filter cartridge in the impurity removal box by adopting a clamping bolt type quick-opening locking mechanism. The elastic buffer gasket effectively absorbs operation vibration and mechanical impact; the clamping bolt type quick-opening locking mechanism simplifies the installation and replacement process of the membrane cylinder; the emptying valve and the flow guide channel can thoroughly eliminate air resistance; a functional layer (such as chitosan, alginate and the like) compounded on the surface of the geopolymer membrane has excellent adsorption capacity, and particularly has efficient interception and separation capacity on PFASs pollutants.

The present invention discloses a pure water penetration system for solving the problem of excessively high TDS of the first glass of water, which includes a raw water passage, a concentrated water passage, a pure water passage, a reverse osmosis filter element, a pretreatment filter element, and a penetration tank; a booster pump is provided between the pretreatment filter element and the RO membrane filter element, and an inlet solenoid valve is provided behind the booster pump. A throttle valve is provided on the concentrated water passage, and a flushing solenoid valve is connected in parallel with the throttle valve; a penetration tank is connected to the pure water passage, and a check valve and a high-pressure switch are provided on the pure water passage and connected to the water outlet faucet. The high-pressure switch controls the pressure of the penetration tank. By setting the flow rate of the waste water throttle valve to be not greater than the penetration flow rate of the penetration tank, after the machine stops working, the pressures before and after the RO membrane tend to be dynamically balanced, and the pressure is gradually reduced to the atmospheric pressure state through the pressure relief of the throttle valve. When the pure water in the penetration tank penetrates through the RO membrane, it gradually displaces the concentrated water in front of the membrane, thereby achieving the effect of soaking the RO membrane with pure water, solving the problem of excessively high TDS of the first glass of water during the next water production, and the pure water soaking the membrane also plays a role in prolonging the membrane life.

The invention discloses a flat sheet membrane filtering device. A containing cavity is formed in a membrane shell; the membrane filtration assembly is arranged in the accommodating cavity, the membrane filtration assembly comprises a plurality of filtration elements consisting of membranes and flow guide discs, and the membranes are mounted between every two adjacent flow guide discs; the central rod penetrates through the diaphragm and the flow guide disc; the connecting assembly is arranged in the accommodating cavity and is used for connecting two adjacent membrane filtration assemblies; the quick-release end cover assemblies are arranged at the two ends of the membrane shell and are used for sealing and fastening the membrane filtration assembly; two ends of the membrane shell are respectively provided with a first water inlet and an Nth water outlet, the first water inlet is provided with a first water outlet, and the Nth water outlet is provided with an Nth water inlet; and an nth water inlet and an nth water outlet are respectively formed in two ends of each membrane filtering component in the middle section of the membrane shell. The problems that in the prior art, the structure is complex, maintenance is difficult, water flow distribution is uneven, the filtering efficiency is low, and energy consumption and operation cost are high are solved.

The invention discloses a multi-stage separation synergistic power coal washing process, and belongs to the technical field of coal washing processing. The TDS intelligent dry separation system, the dry-wet combined desliming process, the super coal slime classification cyclone, the super coal slime dense medium cyclone and the ultrahigh-pressure elastic squeezing filter press are in multi-stage cooperative linkage to be used for power coal washing, the moisture content and the ash content are reduced to the maximum extent in the separation stage, and the heat productivity of the power coal is increased. Compared with a process before improvement, the power coal washing process with cooperation of multi-stage separation has the advantages that the gangue sorting efficiency and the power coal productivity are improved, the super coal slime dense medium cyclone, the super classification cyclone and the ultrahigh-pressure elastic squeezing filter press are orderly used in the power coal washing process, the water content of a filter cake is greatly reduced, and the water content of the filter cake is greatly reduced. The water content of the filter cake is obviously superior to that of a common quick-opening membrane filter press and is lower than that of the filter cake of dried coal slime, so that the fluctuation range of the heat value of the power coal is lower, the heat value of gangue is reduced, and the heat value of the power coal is improved.

The utility model discloses an efficient particle membrane filtering device. The efficient particle membrane filtering device comprises a skid structure, the skid structure comprises a plurality of particle film high-speed filters, the particle film high-speed filters are arranged in a single-branch, multi-branch and grouped mode in a skid, each particle film high-speed filter comprises a column type filter assembly, a water inlet multi-way valve and a water production multi-way valve, and a valve, a pipeline, an instrument and an electric control system are further arranged in the skid. The filter operates according to the sequence of operation, waiting, backwashing and commissioning, solves the problem that a conventional filter is large in backwashing water amount, easy to be polluted and blocked and long in process, can realize high-flow-rate, high-precision and high-stability filtration, can treat large-flux incoming water, and reduces the use of filter materials; a column type skid structure is adopted, the occupied area of the filter is greatly reduced, the technological process is shortened, flexible and free permutation and combination are achieved, various complex water qualities can be dealt with, and the requirement for the inlet water quality is relatively wide.

The invention relates to the technical field of drinking systems, and particularly discloses a mixed waterway system with a precise adjusting function. Comprising an RO membrane filter used for performing reverse osmosis treatment on raw water and generating RO water, and the RO membrane filter is communicated with a first one-way valve; the mixing water pump is used for providing power for transmission of the mixed water, and the mixing water pump is communicated with the second one-way valve; the mixing box is respectively connected with the first one-way valve and the second one-way valve in parallel; the sensor is connected with the mixing box; a training memory is arranged on the circuit processor, the circuit processor is connected with the sensor, the circuit processor is further connected with the mixing water pump, and a TDS set threshold value is arranged in the circuit processor. The direct water dispenser overcomes the defects that in the prior art, a direct water dispenser is difficult to control the TDS value, nutrient substance loss is too much, and user experience is poor.

The application discloses a membrane filter with a centrifugal structure and relates to the technical field of membrane filters.The membrane filter comprises a filter tank, a stirring device is arranged at the top of the filter tank, a membrane filter is fixedly connected in the filter tank, a residue discharging device is arranged at the bottom of the inner surface of the membrane filter, an anti-adhesion device is arranged at the top of the filter tank and close to the membrane filter, a thread sleeve is screw-connected to the inner surface of the thread sleeve, a threaded driving column is fixedly connected to the top end of the threaded driving column, a rotary connector is fixedly connected to the top of the rotary connector and the bottom of a butterfly plate, a conical disc is fixedly connected to the bottom end of the threaded driving column, a crescent piece is fixedly connected to the outer surface of the conical disc, and a centrifugal device is fixedly connected to the bottom of the conical disc.The membrane filter with the centrifugal structure has high adaptability, can make fluid subjected to centrifugal action, can uniformly stir and sprinkle the fluid, can adapt to oil dirt impurities, can reduce the influence of the adhesion of the oil dirt impurities, and has good filtering effect.

A sampling device including an intake pump coupled with a volume controller to provide a known volume of samples such as liquid collected through a specialized hollow membrane filter. Once the known volume of sample is filtered the intake pump is turned off, an air pump turns on and removes residual or excess sample. The membrane filter is then preserved for extraction of DNA / RNA.

The utility model relates to the field of environment-friendly construction, and discloses an automatic membrane-changing filtering device which comprises a base, the top of the base is fixedly connected with a back plate, the top of the back plate is fixedly connected with a top plate, the bottom of the top plate is fixedly connected with a telescopic air cylinder, and the output end of the telescopic air cylinder is fixedly connected with a filter. The left side and the right side of the filter are fixedly connected with water conveying pipes, the middle of the base is fixedly connected with a drainer, the front side of the back plate is rotationally connected with a driven shaft, and a driving assembly is installed on the rear side of the base. According to the utility model, after the filter membrane is used for a long time, the telescopic air cylinder is driven to drive the filter to lift up, and then the servo motor is driven to drive the driving shaft to roll up, so that the used filter membrane is taken away from the lower part of the filter and a new filter membrane is driven to move to the lower part of the filter; and then the telescopic cylinder is driven to press the filter membrane between the filter and the drainer, so that the filter membrane can be quickly replaced, and the working efficiency is improved.

The utility model provides an integrated nanofiltration water purifier, which belongs to the technical field of water treatment and comprises an ultrafiltration membrane filter, a front granular active carbon filter, a polypropylene melt-blowing filter, a nanofiltration high-pressure pump, a nanofiltration membrane component, a rear granular active carbon filter and a water tank which are sequentially communicated through pipelines, a first polypropylene folding filter is also arranged between the rear granular active carbon filter and the water tank; and an ultraviolet sterilizer and a constant-pressure water supply pump are arranged on the water supply pipeline between the water tank and the water supply pipe network. After municipal tap water is treated by the integrated nanofiltration water purifier provided by the utility model, the effluent quality can meet the requirements of Water Quality Standard for Purified Water for Drinking (CJ94-2005), and the taste of the effluent quality can be improved through the rear granular active carbon, so that the water is sweet and delicious, the water quality is improved, and the satisfaction degree of a user is improved.

The utility model relates to an ultrafiltration membrane filtration system. The filtration system comprises a water supply pump, a pre-filter, a circulating cross-flow pump and a plurality of ultrafiltration membrane filtration units, the water supply pump is connected with the pre-filter through a pipeline; a water outlet of the pre-filter is connected with a water inlet of the circulating cross-flow pump through a water supply pipeline; a water outlet of the circulating cross-flow pump is communicated with the circulating water inlet pipeline; a water inlet of the ultrafiltration membrane filtering unit is communicated with a circulating water inlet pipeline through a circulating water inlet branch; a water inlet valve is arranged on the circulating water inlet branch; a concentrated water port of the ultrafiltration membrane filtration unit is communicated with a circulation loop pipeline through a circulation recovery branch, and the circulation loop pipeline is further communicated with a water supply pipeline; a circulating valve is arranged on the circulating recovery branch; a water producing port of the ultrafiltration membrane filtering unit is communicated with a water producing pipeline through a water producing branch; the circulating water inlet branch is also communicated with a water drainage pipeline; and a backwashing valve is arranged on the water drainage pipeline. According to the scheme provided by the utility model, the performance of water production and backwashing can be improved, and the flushing structure of ultrafiltration membrane filtration is simplified.

The utility model discloses a kind of RO reverse osmosis membrane filter element, including filter cylinder, the inside fixed mounting of filter cylinder is equipped with bulkhead, the middle part fixed mounting of bulkhead is equipped with permeate collection pipe, the inside of filter cylinder is provided with filter assembly;The two ends of filter cylinder are respectively threadedly connected with liquid inlet end cap and liquid outlet end cap, and the side wall of liquid outlet end cap is equipped with sewage outlet. The utility model is through multistage modularization filtration design, effectively improves water purification effect, while simplifies maintenance process, reduces cost, ensures the safety and purity of effluent water quality.

The utility model relates to the technical field of cooling for glass production, and discloses uniform cooling and blanking equipment for glass production, which comprises a box body, a roller conveying belt is arranged on one side in the box body, a clamping plate is fixedly connected to one side in the box body, a sliding plate is slidably connected to the interior of the clamping plate, an activated carbon film is fixedly connected to the interior of the sliding plate, and the activated carbon film is fixedly connected to the interior of the box body. A first motor is fixedly connected to one side in the box body, a rotating disc is fixedly connected to the output end of the first motor, a transmission rod is rotationally connected to one side of the rotating disc, one side of the transmission rod is rotationally connected to one side of the outer wall of the sliding plate, and a water pump is fixedly connected to one side of the outer wall of the box body. According to the cooling device for glass production, the rotating disc can drive the sliding plate to slide through the transmission rod, so that cooling water is filtered by the activated carbon film and then pumped by the water pump to be reused, the problem that the cooling water is inconvenient to recycle after glass is cooled by the cooling device for glass production is solved, and the environmental protection property of the device is improved.

The utility model relates to the technical field of fertilizer, in particular to a UV disinfection device of a water and fertilizer all-in-one machine, which comprises a seat frame, the upper side of the seat frame is fixedly connected with a positioning frame, UV reactors are fixedly connected in a front group of hoops and a rear group of hoops of the positioning frame, and the front UV reactor and the rear UV reactor are communicated through a left connecting pipe. The right part of the rear curved surface of the UV reactor on the rear side is communicated with a shunt input pipe, the right part of the front curved surface of the UV reactor on the front side is communicated with a confluence output pipe, a flowmeter is mounted at a left side vertical pipe of the confluence output pipe, the lower end of the left side vertical pipe of the confluence output pipe is communicated with an output branch pipe, and a pump body is mounted on the upper side of the seat frame. According to the water-fertilizer all-in-one machine disclosed by the utility model, through the arrangement of the pump body, the shunting input pipe, the confluence output pipe, the UV reactor, the membrane filter and other structures, the UV disinfection device can fully sterilize and disinfect fertilizer water used by the water-fertilizer all-in-one machine, so that the fertilizer water can be recycled.

The invention discloses a processing method for fractionation and rapid crystallization of palm oil, which comprises the following steps: (1) heating and controlling a palm oil raw material to be fractionated to 55-65 DEG C (crystal breaking), pumping the palm oil raw material into a crystallizing tank, and then cooling the palm oil raw material to about 25 DEG C under the action of rapid cooling of cooling water (or chilled water) and stirring; (2) continuously reducing the temperature of the palm oil raw material in the crystallizing tank by using chilled water, adding a certain proportion of palm oil (solid-liquid mixture) which is completely crystallized and is in an unseparated state into the crystallizing tank at the interval of 25.0-18.0 DEG C as a seed crystal, and controlling the stirring speed of the crystallizing tank at 15-30r / min until the palm oil raw material is completely cooled and crystallized; (3) after crystallization is completed, if seed crystals need to be added into the crystallizing tank which is cooling and crystallizing, pumping the seed crystals into the crystallizing tank which needs to be added with the seed crystals through a pump; otherwise, immediately pumping into a membrane filter for filtering and separating (preventing the tank from being burnt) to obtain liquid oil and stearin. The palm oil seed crystal is added, so that the crystallization time can be shortened; and through seed crystal induction, the formation of stable-form crystals is accelerated, excessive crystallization is avoided, and the interception loss of filtration is reduced, so that the liquid oil yield is improved.

The utility model belongs to the technical field of water purification equipment, and discloses a water purifier which comprises a first RO (Reverse Osmosis) membrane filter element, a booster pump, a front filter element, a second RO membrane filter element and a rear filter element, and the booster pump and the front filter element are connected in series and are connected with a water inlet end of the first RO membrane filter element; the water inlet end of the second RO membrane filter element is connected with the concentrated water outlet end of the first RO membrane filter element, the purified water outlet end of the second RO membrane filter element and the purified water outlet end of the first RO membrane filter element are arranged in parallel, and the flux of the second RO membrane filter element is smaller than that of the first RO membrane filter element; the rear filter element is connected to the purified water outlet end of the first RO membrane filter element and the purified water outlet end of the second RO membrane filter element. According to the water purifier, only the second RO membrane filter element needs to be replaced, and the later maintenance cost is low.

This invention discloses a water purification device, including a filtration unit and a reverse osmosis filter. The filtration unit includes a housing and an ultrafiltration membrane filter element and an adsorption filter element installed inside the housing. The housing is provided with a raw water inlet, an adsorption outlet, and an ultrafiltration outlet. Water filtered by the ultrafiltration membrane filter element is configured to flow out through the ultrafiltration outlet and also configured to flow out through the adsorption outlet after being filtered by the adsorption filter element. The reverse osmosis filter includes a raw water inlet, a pure water inlet, and a wastewater inlet. The adsorption outlet is connected to a water tap via a domestic water pipe. The ultrafiltration outlet is directly or indirectly connected to the raw water inlet. The pure water inlet is directly or indirectly connected to a drinking water pipe, which is connected to the water tap. An eighth control valve is provided on the domestic water pipe, configured to regulate the water flow and on / off state in the domestic water pipe. This invention can avoid clogging of the ultrafiltration membrane filter element, realize the mixing of domestic water and pure water, and adjust the TDS of the mixed water.