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45results about How to "No need to worry about clogging" patented technology

Oil-contained sewage treatment method and eddy energy fast-cyclone separating system of special equipment for method

The invention discloses an oil-contained sewage treatment method and an eddy energy fast-cyclone separating system (Haynes) of special equipment for the method. Oil-contained sewage enters a multilevel cyclone speed three-phase mixer together with a prepared reagent and compressed air, the multilevel three-phase mixer makes the reagent be adequately contacted with the contaminants to form micro floc and makes the compressed air enter a releasing cavity after being adequately dissolved in the sewage, the dissolved gas in the floc is slowing released in the releasing cavity as the pressure is reduced, so the moisture inside the floc is squeezed out, the gas and solid floc form a porous hollow shape, the moisture content is remarkably reduced, the specific gravity is lighter, finally the floc after forming the scum enters a separating tank, the scum is scraped by a scraping machine above the separating tank, the scraped scum is discharged by a connected hopper to be subsequently dehydrated, the separated water overflows to a water outlet groove through a water outlet weir plate to be discharged through a water outlet pipe. According to the oil-contained sewage treatment method and the separating system, advantages of good treatment effect, reagent conservation, less sludge, less investment, simpleness in control, low maintenance expense and the like can be realized.
Owner:上海齐国环境科技有限公司

Garage processor

The invention provides a garbage processor. The garbage processor comprises a water leaking opening, a grinding chamber, a grinding mechanism, a driving device and a shell, wherein the grinding mechanism further comprises an auxiliary cutter disc which is fixedly mounted in the grinding chamber and is in parallel to a grinding disc; a rotary ejection structure is arranged between a movable disc and a fixed disc; and an axial distance between the movable disc and the fixed disc can be adjusted through the rotary ejection structure when the movable disc and the fixed disc rotate relatively. The additional auxiliary cutter disc is used for changing a previous three-grade crushing manner into a four-grade crushing manner, so that obtained crushed grains are smaller and are obviously simple to discharge, and furthermore, the blocking of a sewer does not need to be worried about. The garbage processor has good technical effects.
Owner:宁波春有电子科技有限公司

Water-soluble fertilizer with plant growth regulating function and production method thereof

The invention discloses a water-soluble fertilizer with a plant growth regulating function and a production method thereof, and belongs to the technical field of water-soluble fertilizers. The water-soluble fertilizer is made from the following raw materials: phosphorus ammonium nitrate, potassium nitrate, potassium dihydrogen phosphate, fulvic acid, EDTA chelated trace elements, a seaweed extract, and indole potassium butyrate. Compared with the prior art, the water-soluble fertilizer provided by the invention has the advantages of balanced and stable nutrients, good water solubility, scientific formula, improvement on soil, and high fertilizer utilization rate, and is in line with the law of the growth of crops.
Owner:BINZHOU AOBEN BIOLOGICAL TECH CO LTD

Method for separating and recycling Br2 in flue gas in after-burning area

The invention discloses a method for separating and recycling Br2 in flue gas in an after-burning area by using superfine fiber fabric. The method comprises steps like adsorption separation of the Br2 in the flue gas, desorption of adsorbed Br2 and separation of a desorption agent, and can finally obtain bromine. According to the invention, the principle of the superfine fiber fabric to adsorb the Br2 is different from the principle of a traditional adsorbent; the weight of adsorbed Br2 can be far beyond 30% of the weight of Br2; adsorption is performed at a low temperature, and the Br2 in the flue gas is easier to be extracted; the superfine fiber fabric material has strong corrosion resistance, so the service life is long, and less waste is generated in the process of application; and waste superfine fiber fabric can be treated by incineration. Compared with a traditional adsorption separation and recycling method, the method provided by the invention has high separation and recycling efficiencies and low operation cost, hardly generates new wastes, and realizes unity of environmental benefits and economic benefits.
Owner:ZUNYI NORMAL COLLEGE

Hair treatment equipment and treatment method for preventing toilet floor drain from being blocked

The invention discloses hair treatment equipment and treatment method for preventing a toilet floor drain from being blocked. The hair treatment equipment comprises a water leakage top cover, whereina large through hole is formed in the middle of the top of the water leakage top cover; a top sealing cover plate is movably clamped in an inner cavity of the large through hole; a hair collection mechanism is arranged at the top of the water leakage top cover. According to the hair treatment equipment for preventing the toilet floor drain from being blocked, under the condition that normal utilization of a toilet dripping device is not influenced, the hair treatment equipment can move along with water flow to carry out shrinkage treatment on hair falling off from people; meanwhile, the hair on the ground can be directly flushed into a sewer line by utilizing the water flow; on one hand, people do not worry about treatment of the hair on the whole ground; on the other hand, people do not need to worry about the blockage of the sewer line when the hair is flushed away; and when a spring moves in a reciprocating manner by clinging to the sewer line, dirt blocks remained and attached on an inner wall of the sewer line can also be shoveled and pinched off, so that the possibility that the sewer line is prone to being blocked after being used for a long time can be avoided and the possibility that the sewer line easily generates peculiar smell can also be eliminated.
Owner:南京溧水高新产业股权投资有限公司

Ultralow-dust rear smoke channel system of boiler

The invention relates to an ultralow-dust rear smoke channel system of a boiler. The ultralow-dust rear smoke channel system comprises an economizer, a denitration system and an air pre-heater. A high-temperature dust removal system is arranged in back of the economizer and in front of the denitration system, the denitration system is communicated with a desulfurization system through the air pre-heater, a smoke waste heat recovery system and a draught fan, the air pre-heater, the smoke waste heat recovery system and the draught fan are sequentially connected, and the desulfurization system is connected with a chimney. The equipment size of the denitration system, the air pre-heater, the smoke waste heat recovery system and the desulfurization system can be reduced, and original measures for preventing abrasion, corrosion, dust deposition and dust clogging can be omitted, so that the cost is lowered, the structure is simplified, and space is saved.
Owner:SHANDONG UNIV

Pressure difference control system of MOCVD (Metal Organic Chemical Vapor Deposition) gas circuit

The invention discloses a pressure difference control system of an MOCVD (Metal Organic Chemical Vapor Deposition) gas circuit. The system comprises a main gas carrying pipeline, a main gas circuit pipeline and a bypass pipeline and is characterized in that a main gas circuit pipeline quality flow controller and a pressure sensor are sequentially installed at the front end of the main gas circuit pipeline, a pressure controller is installed at the rearmost end of the bypass pipeline, six four-way switching valves are installed on the main gas circuit pipeline, six three-way switching valves are installed on the bypass pipeline, and each four-way switching valve is connected with the corresponding three-way switching valve through a corresponding branch pipe. Therefore, after a reaction gas enters into the main gas circuit pipeline, the gathered pressure of the bypass pipeline changes along with the pressure of the main gas circuit pipeline at any time under the joint effect of the pressure sensor, a PLC (Programmable Logic Controller) and the pressure controller, and a pressure difference following relationship always exists between the bypass pipeline and the main gas circuit pipeline. Thus, the reaction gas can be smoothly switched into the main gas circuit pipeline and conveyed to a reaction chamber while the non-reaction gas is switched into the bypass pipeline for preparation, so that gas between the main gas circuit and the bypass is precisely controlled to quickly and stably switch.
Owner:南昌硅基半导体科技有限公司 +1

Method for determining trace elements and rare earth elements in marine sediments and soil

The invention provides a method for determining trace elements and rare earth elements in marine sediments and soil. The method comprises the following steps: drying sediments or soil, and grinding to200 meshes to obtain a sample; putting the sample into an inner container of a polytetrafluoroethylene closed tank, sequentially adding redistilled hydrofluoric acid and redistilled nitric acid, heating for dissolving after sealing, adding redistilled nitric acid, ultrapure water and a rhodium internal standard solution after cooling, sealing, heating for extracting, cooling to room temperature,and adding redistilled nitric acid for fixing the volume to obtain a sample solution; measuring an interference coefficient, drawing a standard curve, and measuring the mass concentration of each element in the sample solution and the blank sample solution by using an inductively coupled plasma mass spectrometer under the same condition; and calculating the mass fractions of the trace elements andthe rare earth elements. According to the method, the sample is digested in a high-temperature and high-pressure closed manner in the reaction kettle, the method has the advantages of complete digestion, low acid consumption, low process blank value and the like, and errors introduced in the pretreatment process of the sample are fully considered, so that the accuracy of the method is improved.
Owner:THE FIRST INST OF OCEANOGRAPHY SOA

Sand screening device used for building construction

The invention relates to a sand screening device used for building construction. The sand screening device comprises a base plate, a support device, a discharging device, a frame body, a rotating device, a support frame device, a filtering device and a material collecting device, wherein a first fixing block and a first material collecting box are arranged on the base plate; the support device comprises a first support block, a pedal plate, a first support rod, a transverse plate, first springs, a second support block and a first magnet; the discharging device comprises a discharging frame, a second spring, a first jacking and propping block, a push block, a push rod, a vertical plate and third springs; a first through hole, a first transverse rod and a fixing rod are arranged on the frame body; the rotating device comprises a motor, a first support frame, a rotating shaft, a rotating frame, a concentrated ring, a second transverse rod, fourth springs, a third transverse rod, a first vertical rod and a fourth transverse rod; and the support frame device comprises a second support frame, a first oblique rod, a second vertical rod, a third support frame, a fifth transverse rod, a fourth support frame, a sixth transverse rod and a third filter net. The sand screening device used for building construction has the benefits as follows: sand needing to be screened can be fully screened, and the screening efficiency is high.
Owner:乌鲁木齐九品芝麻信息科技有限公司

Gas-liquid measurement method with super-small flow

The invention relates to a gas-liquid measurement method with super-small flow, which comprises the following steps that (1) after mixture to be measured enters into a measuring system from a primary liquid input pipe, the gas and the liquid of the mixture to be measured are separated through a gas-liquid separator; (2) the gas phase of a gas-phase substance which is separated is measured through a gas phase flowmeter which is connected onto a gas outlet pipe; and (3) a liquid-phase substance which is separated enters a liquid-phase switch valve which is arranged on a liquid outlet pipe through the liquid outlet pipe, and the liquid phase is measured under the joint action of the liquid phase switch valve, a liquid level transmitter and the gas-liquid separator. Compared with the prior art, the gas-liquid measurement method with super-small flow has the advantages that the gas-liquid measurement can be realized when the amount of liquid is extremely small; the method can ensure that the operation is reliable and has a wider range ratio; and the most important is that the measurement method can reflect the production change of a single well in real time.
Owner:宁波威瑞泰默赛多相流仪器设备有限公司

Card support popup mechanism and mobile terminal

The embodiment of the invention relates to the field of terminal devices and discloses a card support popup mechanism and a mobile terminal, wherein the card support popup mechanism pushes a card support out of a card slot of the mobile terminal; the card support popup mechanism comprises a limiting frame, a thimble component, an electromagnet, and a resilient part. The limiting frame is arrangedopposite to the card slot; the thimble component is slidably arranged in the limiting frame along a push direction of the card support; the electromagnet is arranged opposite to one side of the thimble component far away from the card slot and is electrically connected with a main board of the mobile terminal; the main board supplies power for the electromagnet; after being electrified, the electromagnet generates a magnetic field; one side of the thimble component opposite to the electromagnet is a magnetic side of a repelling magnetic field; the resilient part is arranged in the limiting frame along the sliding direction of the thimble component; one end of the resilient part is abutted against the thimble component and the other end thereof is abutted against the limiting frame. Compared with the prior art, the scheme is applied so that the card support is pushed out from the card slot more conveniently, safely and reliably, thereby reducing the punching process and reducing the cost.
Owner:SHANGHAI MORUAN COMM TECH

High-pressure spraying device capable of realizing multiple purposes

The invention discloses a high-pressure spraying device capable of realizing multiple purposes. The high-pressure spraying device is characterized by being composed of a control unit, a humidification pump, an atomization nozzle and accessories, and is characterized in that power is transmitted to a high-pressure pump through an electromotor; a natural state of clean water is pressurized to 50Kgf / cm,2. to 70Kgf / cm,2. through the high-pressure pump; high-pressure water is sprayed to air by utilizing a high-pressure micro-fog nozzle; the water flow sufficiently contacts with the air to form atomization; and 3-10 mu. m granular fogdrops are formed to diffuse to the air, so that the conditions that the humidity is increased, and visible water is not formed are realized; the spraying time is controlled by an electrical appliance; and dynamic balance of the spraying volume and the evaporation amount is formed within a certain space, thereby the purposes of working conditions of various users are achieved.
Owner:SUZHOU JIEBAO MACHINERY

Hair treatment apparatus for preventing clogging of floor drain in toilet

A hair treatment apparatus for preventing clogging of toilet floor drain is disclosed and includes a leaking top cover. A large through hole is arrange in that middle of the top of the leaky top cover, the inner cavity of the large through hole is movably clamped with a capping cover plate, a hair collecting mechanism is arranged on the top of the leaky top cover, the hair treatment device for preventing clogging of a floor drain in a toilet without affecting the normal use of the toilet drip device, hair drop from a person can be contracted by self-motion with water flow, and the hair on theground can be washed directly into the sewer pipe by the water current. On one hand, no longer worried about dealing with hair all over the floor, on the other hand, you don't have to worry about clogging the sewer when you flush your hair, when the spring is in close contact with the sewer pipe for reciprocating motion, it can also remove and pinch off the dirt blocks remaining on the inner wallof the sewer pipe, which can not only avoid blocking easily for a long time, but also eliminate the possibility that the sewer pipe is prone to produce strange smell.
Owner:嘉兴昱天工业设计有限公司

Plasma sewage treatment device and treatment method thereof

The invention provides a plasma sewage treatment device and a treatment method thereof. The device comprises a shell (1), a reaction cylinder (3) is arranged in the shell, a plasma generation electrode (2) is arranged between the shell (1) and the reaction cylinder (3), a water outlet pipe (16) is arranged on the side, close to the upper end, of the reaction cylinder (3), the lower end of the reaction cylinder (3) is connected with a water inlet pipe (12), a gas supply pipe (9) is arranged on the side, close to the lower end, of the reaction cylinder (3), the section of the reaction cylinder (3) is polygonal, and a plurality of aeration stopping blocks (17) are arranged in the polygonal reaction cylinder (3) from top to bottom. The device has the advantages that the plasma discharge distance can be adjusted according to sewage conditions and outflow water, plasma can be formed in different gas-liquid mixed phases, and low-temperature plasma treatment efficiency can be effectively improved.
Owner:江阴市博邦环境科技有限公司

Multistage series-parallel connected type oil-water separating equipment adopting crude oil emulsion breaking

InactiveCN108546563ARealize series-parallel switchingAchieve different job effectsDewatering/demulsification with mechanical meansNon-miscible liquid separationEmulsionOil water
The invention relates to a multistage series-parallel connected type oil-water separating equipment adopting crude oil emulsion breaking. The multistage series-parallel connected type oil-water separating equipment mainly consists of a vibration device and a power unit, wherein the vibration device mainly consists of a feeding oil-water separation pipe, an intermediate oil-water separation pipe, adischarging oil-water separation pipe, a vibration exciting shaft and a vibration exciter which is fixed to the vibration exciting shaft in a serial connection manner. According to the multistage series-parallel connected type oil-water separating equipment disclosed by the invention, by utilizing an excitation effect produced by the vibration exciter, the vibration device is driven to produce vibration; through physical effect on the crude oil, the oil-water separation is realized through the crude oil emulsion breaking technology. In addition, switching between serial connection and parallel connection of the separation pipeline can be quickly realized through a flow divider, and different operation effects under different practical working conditions are realized. The separating equipment disclosed by the invention has the advantages of compact structure and small occupied area; moreover, transportation and mounting are convenient, and the equipment can be widely used for meeting requirements on oil-water separation with different moisture contents in actual oil extraction plants through adoption of the crude oil emulsion breaking technology.
Owner:杜欣凯

Pipe defroster of solar water heater and using method

The invention discloses a pipe defroster of a solar water heater and a using method. The structure of the pipe defroster comprises a water inlet pipe (1), a water outlet pipe (2), a common water pipe (3), and a water inlet valve (4) and a water outlet valve (5) which are connected with the water inlet pipe (1), the water outlet pipe (2) and the common water pipe (3), wherein a water-level floater (605) automatically displays water level in a storage water tank (6) by the control of a core wire of a water-level state control wire (11) over the movement of a water-level indicator terminal (72) in a water-level indicator (7); and a control wrench (81) in a water controller (8) controls hot water to flow or stay through the drawing of a water control piston (93) in the storage water tank (6) by the core wire of a water control wire (10). The pipe defroster of the solar water heater has a purely mechanical structure, the water inlet pipe and the water outlet pipe are shared, and the water level condition in the outdoor storage water tank can be known indoor at any time; the outlet water is the hot water when water is used, so the waste of cold water is avoided; and the water in the pipes is automatically evacuated at ordinary times without using electric power, and the defroster is particularly suitable for the defrosting of the water outlet pipe of the solar water heater in cold areas.
Owner:张瑞华

Special AB water-soluble fertilizer for soilless culture of fruit vegetables and preparation method of AB water-soluble fertilizer

The invention discloses a special AB water-soluble fertilizer for soilless culture of fruit vegetables. The AB water-soluble fertilizer comprises a fertilizer A and a fertilizer B. The fertilizer A comprises the following components in parts by weight: calcium ammonium nitrate, calcium chloride, potassium nitrate and sodium hydrogen ferric DTPA. The fertilizer B is prepared from the following components in parts by weight: potassium nitrate, magnesium sulfate heptahydrate, monopotassium phosphate, ammonium dihydrogen phosphate, potassium sulfate, manganese sulfate monohydrate, zinc sulfate heptahydrate, copper sulfate pentahydrate, sodium molybdate, boric acid and an auxiliary agent. According to the special AB water-soluble fertilizer for soilless culture of the fruit vegetables, a high-efficiency calcium source is used as a basis, a proper amount of fertilizer A containing potassium, chelated trace elements such as iron and the like is added, and hot-process phosphoric acid is used as a basis, and a proper amount of phosphate, potassium magnesium and other inorganic and chelated trace elements are added, so that precipitation reaction can be effectively prevented; and comprehensive and balanced nutrition is provided for growth and development of crops, the utilization rate of the fertilizer is increased, hardening is not likely to happen in the storage period, and therefore the nutrient solution is more suitable for soilless culture.
Owner:BEIJING AGRI TECH PROMOTION STATION

Method for implementing multipurpose high-pressure spraying device

The invention relates to a method for implementing a multipurpose high-pressure spraying device. The multipurpose high-pressure spraying device is characterized by consisting of a control unit, a humidifying pump, an atomizing nozzle and accessories. The method is characterized in that motive power is transmitted to a high-pressure pump by an electromotor, clean water is pressurized to 50kgf / cm<2> to 70kgf / cm<2> from a natural state by using the high-pressure pump, high-pressure water is sprayed to air by using the high-pressure micro-atomizing nozzle to form atomization after the water flow fully contracts with the air so as to form granulous fogdrop which is 3mu.m to 10mu.m in diameter, and the fogdrop is diffused into air, and therefore the purposes of increasing the humidity and not forming water are achieved; and the dynamic balance between spray volume and evaporation amount is formed in a certain space by electrically controlling the spray time, and therefore the purpose of meeting working conditions of various users is achieved.
Owner:SUZHOU JIEBAO MACHINERY

Water inlet and drainage integrated faucet and basin body

The invention discloses a water inlet and drainage integrated faucet. The water inlet and drainage integrated faucet comprises a faucet valve body, a water inlet unit and a drainage unit; the faucet valve body is provided with a drainage inner cavity and a water inlet inner cavity; the water inlet unit and the drainage unit are assembled in the faucet valve body; the water inlet unit communicateswith the water inlet inner cavity and is mutually matched with the water inlet inner cavity for forming a water inlet waterway; the drainage unit communicates with the drainage inner cavity and is mutually matched with the drainage inner cavity for forming a drainage waterway; the drainage unit comprises a plugging component slidingly arranged in the water inlet inner cavity; and the plugging component is used for plugging or opening the drainage waterway. The water inlet and drainage integrated faucet has the beneficial effects that the water inlet and drainage integrated faucet integrates the water inlet waterway and the drainage waterway inside the water inlet and drainage integrated faucet, so that a user mounts the water inlet and drainage integrated faucet conveniently, and the basinbody provided with the water inlet and drainage integrated faucet has good aesthetic degree. The invention further provides the basin body using the water inlet and drainage integrated faucet.
Owner:JOMOO KITCHEN & BATHROOM

Drying device for tea leaves

InactiveCN113154853AAchieve removalImplement screening and classificationSievingPre-extraction tea treatmentSpiral bladeElectric machine
The invention discloses a drying device for tea leaves, and particularly relates to the technical field of tea leaf production. The drying device for tea leaves comprises a foundation and a base, wherein the base is arranged at the bottom end of the foundation, a heating plate is arranged at the top end of the foundation, a conveying mechanism is arranged at the top end of the heating plate, a guide plate is arranged on one side of the top end of the foundation, a vibrating screen mechanism is arranged in the middle of the interior of the foundation, and a collecting mechanism is arranged at the bottom end of the interior of the foundation. By arranging a threaded conveying shaft, a discharging outlet, a third driving motor and a discharging cylinder, dried tea leaves which are subjected to secondary screening and good in quality fall down from a discharging pipeline of a screening box at the moment, if large-batch discharging is conducted directly, due to the fact that the tea leaves are light in weight, the discharging outlet is prone to being blocked under the action of gravity, and manual dredging is time-consuming and labor-consuming, therefore, the third driving motor is arranged, the third driving motor is started, the threaded conveying shaft rotates, then the tea leaves are quantitatively and orderly discharged along spiral blades, therefore, the problem of blockage does not need to be worried about, and the discharging is more uniform and stable.
Owner:徐静

Oil-contained sewage treatment method and eddy energy fast-cyclone separating system of special equipment for method

The invention discloses an oil-contained sewage treatment method and an eddy energy fast-cyclone separating system (Haynes) of special equipment for the method. Oil-contained sewage enters a multilevel cyclone speed three-phase mixer together with a prepared reagent and compressed air, the multilevel three-phase mixer makes the reagent be adequately contacted with the contaminants to form micro floc and makes the compressed air enter a releasing cavity after being adequately dissolved in the sewage, the dissolved gas in the floc is slowing released in the releasing cavity as the pressure is reduced, so the moisture inside the floc is squeezed out, the gas and solid floc form a porous hollow shape, the moisture content is remarkably reduced, the specific gravity is lighter, finally the floc after forming the scum enters a separating tank, the scum is scraped by a scraping machine above the separating tank, the scraped scum is discharged by a connected hopper to be subsequently dehydrated, the separated water overflows to a water outlet groove through a water outlet weir plate to be discharged through a water outlet pipe. According to the oil-contained sewage treatment method and the separating system, advantages of good treatment effect, reagent conservation, less sludge, less investment, simpleness in control, low maintenance expense and the like can be realized.
Owner:上海齐国环境科技有限公司

Anti-blocking closestool with high-pressure spray gun

It needs to be explained that the method for manufacturing a product through the technology is not unique, for example, different options can be provided for selection of a spray gun head, selection of the installation position of the spray gun head, selection of an electromagnetic valve and a tee joint, whether a water source is from a water tank or a closestool or the like, therefore, the embodiment is only one of the preferred embodiments of the invention, is not required to be used for limiting the protection range of the invention, and the technical problem solved by the embodiment is still consistent with that of the invention even if no substantial change or retouching is made in the main design idea and spirit of the invention, all the components should be included in the protection range of the invention.
Owner:付岩峰

Vertical grinder

The invention discloses a vertical grinder comprising a shell. A feeding pipe penetrating through the interior and the exterior of the shell is arranged on a shell bottom plate, an overflow opening isformed in the upper end of the feeding pipe and is close to the inner wall of the top of the shell, a discharging pipe penetrating through the interior and the exterior of the shell is arranged on ashell top plate, a rotating shaft is inserted into the discharging pipe, a material-guiding channel is formed between the outer wall of the rotating shaft and the inner wall of the discharging pipe, acentrifugal disc is arranged at the lower end of the rotating shaft and located above the overflow opening, grinding rods are arranged on the lower part of the centrifugal disc, a discharging channelis formed between the outer wall of the centrifugal disc and the inner wall of the top of the shell, a groove communicating with the discharging channel is formed in the upper surface of the centrifugal disc and surrounds the periphery of the rotating shaft, the lower part of the material-guiding channel communicates with the groove, and the upper part of the material-guiding channel communicateswith the exterior. Through structural design of the vertical grinder, it can be effectively ensured that materials are normally discharged after being ground.
Owner:长沙道然智能科技有限公司

Sand screening device for construction

The invention discloses a sand screening device for construction. The device comprises a baseplate, a support device, an emptying device, a frame body, a rotating device, a bracket device, a filter device and a collecting device; a first fixed block and a first collecting box are arranged on the baseplate; the support device comprises a first support block, a pedal plate, a first support rod, a transverse plate, a first spring, a second support block and a first magnet; the emptying device comprises an emptying frame, a second spring, a first ejection block, a pushing block, a pushing rod, a vertical plate and a third spring; the frame body is provided with a first through hole, a first cross bar and a fixed rod; the rotating device comprises a motor, a first bracket, a rotating shaft, a rotating frame, a centralizing ring, a second cross bar, a fourth spring, a third cross bar, a first vertical rod and a fourth cross bar; and the bracket device comprises a second bracket, a first inclined rod, a second vertical rod, a third bracket, a fifth cross bar, a fourth bracket, a sixth cross bar and a third filter screen. The device can fully screen sand needing to be screened, and is high in screening efficiency.
Owner:URUMQI JIUPIN SESAME INFORMATION TECH CO LTD

a vertical mill

The invention discloses a vertical grinding machine, which comprises a casing, wherein a tube body is arranged in the casing, a rotating shaft is arranged in an inner cavity of the tube body; a discharging pipe, a centrifugal disc and a grinding blade are sequentially arranged outside the rotating shaft from top to bottom; a first grinding cavity is arranged between the outer wall of the lower section of the rotating shaft and the inner wall of the tube body; a second grinding cavity is formed between the outer wall of the tube body and the inner wall of the casing; a stirring rod is arrangedin the second grinding cavity; a material guide opening is formed between the top surface of the tube body and the bottom surface of the centrifugal disc and is used for communicating the first grinding cavity and the second grinding cavity; a material discharging passage is arranged between the outer wall of the centrifugal disc and the inner wall of the casing and the material discharging passage is communicated with the second grinding cavity; a groove communicated with the discharging passage is formed in the upper surface of the centrifugal disc and surrounds the outer periphery of the rotating shaft; a material guide passage is arranged between the inner wall of the discharging pipe and the outer wall of the upper section of the rotating shaft; the lower side of the material guide passage is communicated with the groove; the upper side of the material guide passage is communicated with the outside. The material grinding path can be effectively prolonged; the normal material discharging of the ground material can be ensured.
Owner:CHANGSHA WANRONG MILLING EQUIP

Malononitrile purification method

The invention relates to the technical field of compound purification, and particularly discloses a malononitrile purification method. The purification method of malononitrile specifically comprises the step of separating malononitrile from a malononitrile crude product through adoption of a melt crystallization method. According to the malononitrile purification method provided by the invention, a vacuum system does not need to be arranged, the required temperature is relatively low, the energy consumption is reduced by 50% or above, the refining cost and refining time of malononitrile are greatly reduced, and the finally obtained malononitrile pure product has extremely high purity and yield.
Owner:HEBEI CHENGXIN +1

High-heat-dissipation shell for high-density permanent magnet synchronous motor

The invention discloses a high-heat-dissipation shell for a high-density permanent magnet synchronous motor. The high-heat-dissipation shell comprises a rear end cover and a main shell, and the rear end cover is mounted on the outer wall of the rear end of the main shell; a rear circular cover is arranged on the circumferential inner wall of the rear end of the rear end cover; and the rear circular cover and the rear end cover are connected through the welding edges in a welded mode. A screw hole a is formed in the circumferential outer wall of the rear end cover, a junction box is arranged onthe outer wall of the circumference of the upper end of the main shell, a cooling water inlet is formed in the main shell on the front side of the junction box, a cooling water outlet is formed in the circumferential outer wall of the lower end of the rear side of the main shell, and a machine base is arranged on the outer wall of the circumference of the main shell. Cooling water is rapidly injected into the vertical channel and the transverse channel through the pressure of the pump, the cooling water continuously flows back and forth in the vertical channel and the transverse channel, thecontact area is increased, the maintenance condition can be reduced, and heat dissipation is conducted on the motor in a cooling water heat absorption mode, so high heat dissipation of the motor is achieved, and the use performance of the motor is improved.
Owner:SHANGHAI UNIV +1

Aeration oxygenation device for river treatment

The invention discloses an aeration oxygenation device for river treatment. The device comprises a base, wherein a motor is arranged at one end above the base, a main machine is arranged on one side of the motor, a belt is arranged on one side of the motor and one side of the main machine, and a protection casing is arranged on one side, away from the motor and the main machine, of the belt. According to the aeration oxygenation device, cage heads are arranged outsides aeration ports, so that a pipe can sink into water, and water plants and silt can also be prevented from entering the aerationports, when oxygen in water is sufficient and the device stops, the pipe is put in the water instead of being pulled out of the water surface, the problem of blockage of the aeration ports is not needed to be worried, the manual labor amount can be reduced, and all that is required is to connect the pipe into the main machine when the device is used next time; a plug is arranged at the tail end of the main pipe, and when the long pipe is needed, all that is required is to disassemble the plug and connect another pipe with the main pipe, and the whole pipe is not required to be disassembled. The pipe with the proper length is mounted, the workload is reduced, assembly is quick, and use is convenient.
Owner:成都净享科技有限公司
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