359 results about "Cause blockage" patented technology

The present invention discloses a scented straw cat litter made by wheat straws and a method thereof. The scented cat litter is manufactured by weight percentage by the following materials of 40-60 parts of wheat straws with a smashing mesh number being 40-70, 40-60 parts of wheat shorts, 1-3 parts of Sesbania gelatine powder, 0.5-2 parts of salt, 0.1-0.5 parts of a bio-enzyme preparation, and 10-25 parts of water. The method comprises mixing the bio-enzyme preparation, the salt and the water with stirring; mixing and stirring the wheat straw powder, the wheat shorts and the Sesbania gelatine powder to be uniform; comprehensively mixing the above raw materials with stirring; sending the mixed materials by a feed screw to a roller couple extrusion pelleting machine for roll extrusion to form pellets; transmitting the formed material pellets to a crushing and screening all-in-one machine for screening; and drying, cooling and packaging the screened pellets at normal temperature. The cat litter provided by the present invention has a strong water absorption capability and deodorization capability, can be flushed into the sewer without causing blockage, is convenient to clean, can be used as a fertilizer for grass and flowers, and is saving in using amount, high in cost performance, small in dust in a production process, and low in production cost. Products of different shapes can be produced by replacing pressing rollers of different patterns, thereby achieving multiple uses in one machine.

The invention discloses a supercritical water oxidation treatment system and technology for dyeing sludge. A sludge heater is used for preheating the sludge to reduce the viscosity of the sludge, and thus the mobility of the sludge is improved; methyl alcohol is used for auxiliary heating to serve as a system preheating heat source in the starting stage, and the problem of pipeline coking congestion caused by direct heating of materials is solved; the flowing speed of fluid is controlled to prevent solid particles from settling and causing blockage in a system conveying pipeline, and the safe reliability of operation of the system is improved. The pressure of the system is reduced in the mode of combining capillary tubes with a regulating valve, corrosion or blockage of the solid particles on a depressurizing valve under a large pressure drop condition is avoided, and the pressure of the system can be accurately controlled. Oxidation released heat of organic matter is recycled in the mode of preheating the sludge and generating steam, energy is used in a gradient mode, the energy utilization rate is maximized, and the economy of the system is improved.

The invention provides a liquid level control valve, which belongs to a membrane type pressure valve, overcomes the problem that a sensor or a liquid level switch adopted by the prior liquid level control valve requires power supply, and avoids blockage of a movable part in water. One end of the valve body presses a membrane by a valve bonnet and a movable joint which are connected by threads; the membrane is closely attached with a baffle in the valve body; a liquid level inductive pipe union is arranged in the center of the valve bonnet; the other end of the valve body is provided with a two-position three-way valve; a valve core of the two-position three-way valve sleeved with a return spring is in threaded connection with a top cap; a groove is arranged on the surface in the middle of the valve core; one end of the valve core is embedded in the center of the baffle, and the other end of the valve core is contacted with the top cap; the position of the valve body corresponding to the groove of the valve is provided with four threaded holes of which every two are opposite; and a ball bearing and a spring are arranged in each threaded hole, and are limited by a regulating nut. The liquid level control valve has a simple structure, is convenient for regulating, can be opened or closed according to difference of the liquid level, and is particularly applicable to a vacuum drainage system which uses electric power supply, has more impurities in the water, and easily causes blockage of the movable part.

The invention provides an open impeller for a pump and belongs to the field of mechanical technology. The open impeller for the pump solves the problem that an inlet of the prior open impeller adopts the discontinuous open arrangement and easily winds up fibriform slender objects so as to cause blockage. The open impeller for the pump comprises a sheeted cover board and a plurality of vanes connected with the cover board into a whole. The center of the cover board is provided with a core shaft seat. The inside of the core shaft seat is provided with a shaft hole for a motor rotating shaft to pass through. All the vanes take the core shaft seat as the center to be uniformly arranged on a main lateral surface of the cover board in an involute shape. Inner ends of all the vanes are all connected on the core shaft seat. The open impeller for the pump has the advantages of high efficiency, strong anti-overloading capacity, no blockage, no winding and the like.

The invention relates to a directional bait feeder which comprises a shell. A feeding hole for fodder to enter is arranged on the top surface of the shell. A discharging hole for flinging fodder out of the shell is arranged at one side of the shell which is internally provided with a conveying device and a flinging device, wherein the conveying device bears the fodder entering the shell and conveys the fodder to the next procedure, and the flinging device bears the fodder conveyed by the conveying device and flings the fodder to a set position out of the shell. The directional bait feeder is characterized in that the conveying device comprises a conveying motor with an adjustable speed and a rotating wheel driven by the conveying motor, and the prophetical wall of the rotating wheel is axially and alternately provided with at least two groups of mutually parallel brushes. The invention adopts the brushes to control feeding and can keep feeding evenness and avoid inclined-type discharging during startup to cause blockage. Meanwhile, the deformation amount of the brushes is great, and the sizes of fodder particles are not limited so that the rotating blockage problem can be avoided, and the feeding amount can be adjusted by adjusting the rotating speed of the conveying motor.

The invention belongs to a coupling device and a coupling technology for in situ extraction of succinic acid by an expanded bed and fermentation and separation of the succinic acid, in particular relates to a technology for producing the succinic acid by the fermentation method, a technology for separating the succinic acid by the expanded bed and a fermentation and separation coupling process. The device is to couple a chromatography column of the expanded bed and a succinic acid bioreactor, so as to extract the succinic acid in situ. The device utilizes the characteristic of the chromatography column of the expanded bed that microbial zymotic liquid provided with solid materials is allowed to directly enter the chromatography column, avoids the blockage problem of a chromatography column of a fixed bed due to direct coupling of the fixed bed and the bioreactor in the prior art, saves an additional membrane separator between the bioreactor and the chromatography column of the expanded bed, realizes direct coupling of the chromatography column of the expanded bed and the bioreactor, and performs in situ extraction of target substances and does not cause blockage of the chromatography column of the expanded bed. Moreover, a coupling system for in situ extraction of the succinic acid by the expanded bed and the fermentation and the separation of the succinic acid is established to meet the requirements of sterilization and pollution-free operation.

The invention relates to the field of agricultural machinery, in particular to a half-feeding combine harvester threshing and separating device with a revolving concave grid, which is mainly applied to a half-feeding paddy rice combine harvester and is used for enhancing the threshing and separating capabilities, increasing the granule threshing rate, greatly lowering the blockage probability of a threshing device and increasing the production efficiency during operation of the half-feeding paddy rice combine harvester. The half-feeding combine harvester threshing and separating device mainly comprises a left wall plate, a porous plate, a right wall plate, a V-shaped belt transmission assembly, a revolving concave grid assembly and a threshing drum. The half-feeding combine harvester threshing and separating device is reasonable in structure; crops are prevented from being accumulated in the threshing device and causing blockage due to revolving motion of a concave grid surface during operation, the threshing and separating capabilities are enhanced, and adaptation to harvesting of high-yield crops in a wet environment is realized; the upper layer surface of the concave grid moves at a certain linear speed, so that combing and threshing are realized on the upper and lower layers of the crops, overhead and bent grains are combed and threshed, and the loss caused by incomplete threshing is reduced.

The invention relates to a plate-frame type anti-blocking sludge dewatering machine with long service life. The dewatering machine comprises a conveying mechanism, a pressing mechanism, a water tank,a controller, a cleaning mechanism and a dewatering mechanism; the conveying mechanism comprises a hopper, a material pipe, an oblique tube and a cleaning room, the dewatering mechanism comprises a frame, a stencil, filter cloth, two rotating assemblies and four supporting assemblies, and the cleaning mechanism comprises a water pump, a moving tube, a second filter screen, two translation assemblies and a plurality of nozzles. According to the dewatering machine, sludge is transported through the conveying mechanism, large debris is isolated by a first filter screen to prevent the filter clothfrom being scratched and damaged when the sludge is squeezed, the service life of the filter cloth is ensured, the sludge flows smoothly, the debris on the first filter screen is removed in time through a cleaning assembly, the filter cloth is turned over under the driving of a first motor, the filter cloth is washed and cleaned by the cleaning mechanism to prevent the sludge from adhering to thefilter cloth to cause blockage, and the smooth progress of subsequent sludge dewatering is ensured.

The embodiment of the invention discloses a Bluetooth power adjusting method and apparatus, applied to the technical field of information processing. In the method embodiment, when a Bluetooth module of the terminal device sends played audio data to a Bluetooth earphone or vehicle Bluetooth through Bluetooth connection, the terminal device judges whether a time interval of a Bluetooth host module to send the audio data in the Bluetooth format is greater than a preset first time value, and if so, a certain functional parameter, namely the transmitting power of the Bluetooth module is adjusted to eliminate one factor causing blockage or noise or interruption of the audio data received from the Bluetooth earphone or the vehicle Bluetooth.

The invention relates to a processing technology of sugarcane concentrated juice. The sugarcane concentrated juice is processed by taking sugarcanes as raw materials and performing six steps, namely juicing, coarse filtration, pre-sterilization, enzyme inactivation, ultrafiltration by a ceramic membrane, vacuum concentration and high-temperature instant sterilization. The sugarcane concentrated juice prepared by the processing technology provided by the invention has clear and transparent color and luster, rich aroma, and sweet and delicious taste, and can keep the original flavor and nutritional components of the sugarcanes; and furthermore, the precipitation of a precipitate and the production of turbidity are avoided in the storage period. By adopting the processing technology provided by the invention, the technical problems of relatively high loss of flavor substances and the nutritional components in the production process of the sugarcane concentrated juice, browning in the processing and storage processes, deterioration of the sugarcane juice in the enzymolysis process, easiness in formation of membrane scales to cause blockage of membrane pores when the organic membrane is used for ultrafiltration and clarification and the like are solved.

The invention provides a method for relieving pollution to an ultrafiltration membrane under the joint action of pre-oxidation and membrane modification. The method belongs to the crossing field of nanometer materials and environment engineering technology. A novel surface modification method for a CNT (carbon nanotube) fiber material is characterized in that a multiwalled carbon nanotube is dispersed in a certain concentration of ethanol solution, a multiwalled carbon nanotube turbid liquid is obtained and is subjected to ultrasonic treatment to be dispersed evenly, a pressure filtration method is utilized to enable the carbon nanotube to be attached to the surface of the ultrafiltration membrane, and a layer of stable CNT fiber material is formed. In the method, macromolecular pollutants causing blockage can be subjected to oxygenolysis through ozone pretreatment, and the novel CNT fiber material on the surface of the membrane adsorbs and intercepts the pollutants causing blockage, so that the oxygenolysis action and the adsorption and interception action are combined to effectively prolong the service cycle of the ultrafiltration membrane besides enhancing the anti-pollution capacity of the ultrafiltration membrane and improving the effluent quality of the effluent quality. The method is simple to carry out and easy to realize.

The invention relates to an anti-backflow and blockage-proof negative pressure drainage device, which comprises a liquid inlet valve spool (2), a liquid drainage valve spool (7), left and right valve bushes (1 and 5), left and right valve bonnets (4 and 9), a needle barrel connecting tube (6), a liquid outlet connecting tube (12), a left spring (3) and a right spring (8). The liquid inlet valve spool (2) which only allows body liquid to flow rightwards is disposed in the left valve bush (1), the liquid drainage valve spool (7) which only allows the body liquid to flow to a right lower direction is arranged in the right valve bush (5), and the needle barrel connecting tube (6) and the liquid outlet connecting tube (12) are respectively connected with the right valve bush (5) via glue; and the body liquid can be led out via vertical movement of a piston (11) in a needle barrel (10) and then is drained to a container. The anti-backflow and blockage-proof negative pressure drainage device has the advantages that the device is smooth in drainage, not easy to cause blockage and high in drainage efficiency, can prevent backflow of the body liquid under the condition that negative pressure is instable or is removed suddenly, avoids possibility of infection caused by backflow of the body liquid, and is convenient in use and easy to be controlled by medical staffs and family members of patients.

The embodiment of the application discloses a data transmission optimization method and device and a computer storage medium. The method is applied to a mobile terminal. The method comprises the stepsof: determining types of current service data; when the determined types include a target type, acquiring delay duration corresponding to the target type; and if first transmission delay duration corresponding to the target type of service data is greater than the delay duration, abandoning the target type of service data. Problems of game blockage, a low WeChat internet access speed and the like, which are brought in by a case that all the service data occupies resources to cause blockage of a data transmission channel, can be avoided, so that transmission delay of the data from the mobile terminal to a network is reduced, real-time performance of data transmission is improved and meanwhile, use performance of the mobile terminal is also improved.

A hydrolysis catalyst forming part of an exhaust system for a combustion engine for catalytically converting a uric substance to ammonia which can be used in a downstream SCR catalyst. The hydrolysis catalyst includes an active catalyst element with a central portion and a surrounding peripheral portion, both of which are lined with the same catalyst material. To ensure that injected urea, or other uric substance, which can become crystallized, does not cause blockages in the catalyst, the cross-sectional areas of separate ducts in the peripheral portion are larger than the cross-sectional areas of the separate ducts in the central portion. A method for hydrolysis of a uric substance by use of the catalyst and directing flow through the ducts of the peripheral portion upon blockage of ducts in the central portion.

The invention discloses a domestic fresh air system for an apartment. The domestic fresh air system comprises a fresh air inlet shell and a shutter, wherein the shutter is fixed to an inlet of the fresh air inlet shell, a filter is arranged in the fresh air inlet shell, and the bottom of the fresh air inlet shell fixedly communicates with an impurity removal component used for sweeping dust and impurities on the surface of the filter. According to the domestic fresh air system, the filter is utilized to remove impurities and filter fresh air entering an fresh air inlet to remove dust and impurities, the dust on the surface of the filter is swept down through the impurity removal component and is collected into an impurity collection box, and therefore a large amount of dust attached to thesurface of the filter is avoided to cause blockage and affect the ventilation efficiency of the fresh air inlet.

A vision algorithm based blockage detecting method of a mineral belt transferring machine head is applicable to belt conveying in a coal well. The method comprises the steps of processing an image shot by a camera through a model; estimating the coal conveying speed of a belt conveyor A and a belt conveyor B; primarily determining whether belts convey coal normally; calculating the speed difference between the belt conveyor A and the belt conveyor B; calculating the coal discharging capacity based on the vision partitioning algorithm and vision measurement based coal quantity estimation; comparing the difference between the coal input and the coal output; and determining the blockage of the mineral belt transferring machine head based on the speed difference of the belt conveyor A and thecurrent parameter as decision assistants. The method is simple in steps, and good in detecting effect. The problem that coal blocks cause blockage during being conveyed through two belt conveyors (conveyed from the belt conveyor A to the belt conveyor B) can be effectively solved.

The invention discloses a pipeline dredging robot. The pipeline dredging robot comprises a dredging module, a dredging angle regulating module, a transmission module, a travelling module, a pollutiondischarge module, a supporting module and a control system, wherein the control system controls the dredging module, the dredging angle regulating module, the transmission module, the travelling module, the pollution discharge module and the supporting module; the dredging module is connected with the dredging angle regulating module; the dredging angle regulating module is connected with the outer side of the front end part of the supporting module; the transmission module is connected with the supporting module; the travelling module is connected with the transmission module; the pollution discharge module is mounted in an inner circular channel of a housing structure of the supporting module; the front end of the pollution discharge module is connected with the dredging module; and thetail end of the pollution discharge module is equipped with a vacuum pump device. The pipeline robot can be suitable for a complex pipeline inner environment, performs multi-direction dredging, is stable in work, is not liable to cause blockage, and can realize high-speed pipeline dredging.

The invention discloses a central shaft device of a sewer floor drain system and particularly relates to the technical field of sanitary wares. The central shaft device of the sewer floor drain system comprises a central shaft, fan blades and projecting blocks, wherein the central shaft is positioned between a top cover and a filter screen and in the middle of the top cover and rotates on the top cover freely, and the fan blades and the projecting blocks are arranged on the central shaft. The central shaft device of the sewer floor drain system has the advantages of simple structure, convenience in cleaning and capability of preventing thin strips such as hair from flowing into a floor drain of a sewer and causing blockage of a sewer mouth.

The invention discloses a filtering device for recycling water-based cleaning solution used for optical glass lenses, relates to the technical field of filtering devices, and mainly aims to solve theproblem that the filtering efficiency is influenced due to the fact that meshes of a filter screen of an existing water-based cleaning fluid filtering device are liable to be blocked. The filtering device comprises a box body, a first filter screen and a second filter screen. A driving mechanism for driving the liquid inlet pipe to move left and right is arranged above the first filter screen. Thedriving mechanism comprises two groups of belt transmission mechanisms, a movable plate and a connecting rod. The filtering device is provided with a driving mechanism, wherein brush strips are installed at the bottom of a movable plate, two sets of belt transmission mechanisms drive the movable plate to move left and right, and the movable plate drives a liquid inlet pipe to move left and rightthrough a connecting rod, so that cleaning liquid is dispersed, and the cleaning liquid is prevented from falling to one position of a first filter screen to cause blockage of first filter screen holes; meanwhile, the brush strips move left and right to brush impurities on the first filter screen towards the two ends of the first filter screen, so that meshes of the first filter screen are prevented from being blocked, and the filtering efficiency is further improved.

The invention discloses a method for treating paint-spraying volatile organic waste gas in a coating workshop. The paint-spraying volatile organic waste gas is collected by the coating workshop and then sequentially passes through an absorption tower and a three-stage spray filtration system for treatment, the absorption tower pretreats the waste gas through a spray absorption liquid, and each stage of filtration treatment filler of the three-stage spray filtration system consists of an aluminum oxide ceramic foam filter and all stage of treated activated sludge supported and adsorbed on the aluminum oxide ceramic foam filter. The method effectively solves the problems that viscous particles of the paint-spraying waste gas cause blockage, benzene series are difficult to decompose and the like, and the waste gas purification efficiency is 95% or above.

The invention discloses a plastic pulverizer, comprising a device body, the inside of the device body is a cavity, a plurality of legs are arranged symmetrically at the bottom of the device body, a cutting chamber and a crushing chamber are sequentially arranged inside the device body from top to bottom and a drying chamber, a feed inlet is fixed at the center of the top of the device body, a first rotating motor is fixed on the outer wall of one side of the cutting chamber through a motor bracket, and the output end of the first rotating motor is connected to the first rotating shaft. The beneficial effects of the present invention are as follows: the plastics are cut, crushed, circulated crushed and dried to obtain fine and uniform plastic particles, the plastic crushing time is shortened, the crushing effect is good, resources are saved, and the efficiency and quality of plastic crushing are greatly improved. At the same time, the crushed plastic particles are quickly dried to prevent the plastic particles from staying inside the device and causing blockage.

The invention discloses a three-way catalytic converter used for automobile tail gas treatment. The three-way catalytic converter comprises a housing, a gas inlet end and a gas exhaust end, wherein a gas inlet passage and a gas exhaust passage are arranged in the housing; the gas inlet passage communicates with the gas exhaust passage through a first reaction cavity, a second reaction cavity and a third reaction cavity which communicating with each other in sequence; a first reaction ball and a second reaction ball are placed in the first reaction cavity; each of the first reaction ball and the second reaction ball adopts a honeycomb ball body woven from stainless steel wires; and the surfaces of the stainless steel wires are coated with a catalytic reducing agent layer capable of performing catalytic purification on the automobile tail gas. According to the three-way catalytic converter used for automobile tail gas treatment, the catalytic reaction balls capable of rolling are arranged, so that the contact position of the reaction balls and the tail gas can be changed constantly during the actual use, the overall reaction ball bodies can be in full contact with the tail gas, and the problem that carbon accumulates at the front end of a catalytic carrier to cause blockage and the catalytic efficiency is reduced sharply due to that the conventional three-way catalytic converter is fixedly arranged is fundamentally solved.

The invention relates to the technical field of building materials, in particular to ecological water purification concrete and a preparation method thereof. The ecological water purification concretecomprises 15-25 parts of cement, 0.45-0.65 part of reinforcing material, 0-0.3 part of emulsion powder, 1-4 parts of water purifying material, 5-10 parts of water purifying particles, 65-75 parts ofaggregate and 0.05-0.15 part of water reducing agent, wherein the water purifying particles contain particles having a purifying function and a starch film located on the outer surface of the particles having the purifying function, the starch film is formed through drying after a starch film solution with the mass fraction of 5%-15% is sprayed on the outer surface of the particles having the purifying function, and the starch film solution is obtained by dissolving modified starch in a solvent. The prepared ecological water purification concrete can effectively solve the problem that the ecological water purification concrete in the prior art easily causes blockage and is short in service life, the porosity of the concrete is improved, and the concrete has long good water permeability.

The invention relates to the field of plastic processing, in particular to a plastic crushing device. The plastic crushing device comprises a support, a material winding device, a material guiding device, a screening box and a controller, wherein the support is provided with one crushing device body, and the crushing device body is installed on the upper surface of the support; the material winding device is installed above the crushing device body to perform plastic feeding control over the crushing device body to improve the crushing stability; the material guiding device is installed abovethe crushing device body, and plastics can be separately guided into the crushing device body through the material guiding device to perform flow guiding on the plastics to improve the crushing efficiency; the screening box is installed below the crushing device body and used for performing screening on the crushed plastics; and the controller is installed on the left side of the support and usedfor controlling operation of the whole device. The plastic crushing device is simple in structure, the situation that manual pushing pressing is needed to be prone to causing manual accidents due to the fact that too much plastic is put in to cause blockage of a material inlet in plastic crushing can be avoided, and the problem that the crushed plastic forms blockade due to the crushed plastic isuneven in size is solved.

The invention relates to an anti-blockage regenerated water trickle irrigation system, belongs to the field of hydraulic engineering, and has an IPC (International Patent Classification) number of E02B 13 / 00. The trickle irrigation system comprises a filtering system, a measuring and controlling system, a pipe network system and a trickle irrigator. Regenerated water for irrigation sequentially passes through a sandstone filter with a typical filtering material ratio and an automatic backwashing type laminated filter, thus the contents of suspended matters, organic matters, microorganisms andthe like in the regenerated water are effectively reduced; and before irrigation, the regenerated water passes through a mesh gauze filter for further filtering out matters which easily cause blockage. The technical scheme is applicable to long-term usage of the regenerated water for agriculture and green area irrigation, is used for well solving the problems that the filtering system has poor filtering effect, the trickle irrigator, an electromagnetic valve and a water meter are easily blocked so that the performances decrease and the pipe network system is nonuniform in watering when the traditional trickle irrigation system uses the regenerated water for irrigation, and has quite broad market application prospects.

A hydrolysis catalyst forming part of an exhaust system for a combustion engine for catalytically converting a uric substance to ammonia which can be used in a downstream SCR catalyst. The hydrolysis catalyst includes an active catalyst element with a central portion and a surrounding peripheral portion, both of which are lined with the same catalyst material. To ensure that injected urea, or other uric substance, which can become crystallised, does not cause blockages in the catalyst, the cross-sectional areas of separate ducts in the peripheral portion are larger than the cross-sectional areas of the separate ducts in the central portion. A method for hydrolysis of a uric substance by use of the catalyst and directing flow through the ducts of the peripheral portion upon blockage of ducts in the central portion.

The invention provides a printed circuit board type fused salt heat exchanger adopting double-layer board arrangement. The printed circuit board type fused salt heat exchanger adopting double-layer board arrangement comprises a shell and a heat change board core arranged in the shell. The heat exchange board core comprises at least one periodical structure. Each periodic structure is composed of a first cold salt heat exchange board, a second cold salt heat exchange board and a hot salt heat exchange board, wherein the first cold salt heat exchange board, the second cold salt heat exchange board and the hot salt heat exchange board are sequentially stacked. Each first cold salt heat exchange board and each second cold salt heat exchange board are provided with multiple cold salt flow channels, wherein the flowing directions of the multiple cold salt flow channels are parallel. Each cold salt flow channel extends from the longitudinal first end of the corresponding cold salt heat exchange board to the longitudinal second end of the corresponding cold salt heat exchange board. Each hot salt heat exchange board is provided with multiple hot salt flow channels. Each hot salt flow channel extends from the transverse first end to the transverse second end of the corresponding hot salt heat exchange board. By the adoption of the printed circuit board type fused salt heat exchanger adopting double-layer board arrangement, it is avoided that fused salt causes blockage of the flow channels in a low-temperature environment, it is also avoided that in a high-temperature environment, the fused salt causes a thermal expansion effect on the flow channels of the heat exchanger, and the service life of heat exchange equipment is prolonged.

The invention provides a spinning workshop dust collector. The spinning workshop dust collector comprises a dust suction device, a dust collection device and a power device. Fiber impurities in a spinning workshop can be prevented from entering a dust suction pipe to cause blockage by means of a sweeping connector and a cutting-off mechanism of the dust suction device. An anemograph in the dust collection device can detect the magnitude of wind power of the dust collector in real time and then judge whether overload operation is carried out or not. The fiber materials sucked into the dust suction pipe are filtered through a detachable coarse filtering part, and the fiber materials are prevented from entering an air inlet of the dust collection device. An overload protection circuit in the power device controls the operating state of a motor of the dust collector and avoids overload. According to the spinning workshop dust collector, the large fiber impurities sucked into the dust collector can be reduced, and the blockage probability is reduced; the coarse filtering part, an overload protection cavity and the overload protection circuit are arranged, the dust collector can be prevented from being in an overload work state for a long time, overheat burndown of the motor is avoided, and the problem that a motor of a traditional dust collector is easily damaged due to blockage is solved.

The invention provides a plastic crushing machine with a convenient use effect, and relates to the field of environment-friendly equipment. The plastic crushing machine with the convenient use effectcomprises an installation frame, an upper crushing box and a lower crushing box, wherein the bottom part of the lower crushing box is fixedly connected with the top part of the installation frame; theupper crushing box and the lower crushing box are fixedly connected by bolts; the four corners of the bottom part of the installation frame are fixedly connected with support legs; the top part of the upper crushing box is communicated with a material inlet; the bottom part of the lower crushing box is communicated with a material collecting box; one end, away from the lower crushing box, of thematerial collecting box penetrates through the installation frame, and extends to the part below the installation frame. The plastic crushing machine with the convenient use effect has the advantagesthat the two parts of the crushing machine are connected together by the bolts, so that the installation and detachment are convenient; a press plate is fixedly connected by a compression spring, so as to prevent the plastic from flying out via the material inlet in the crushing process, polluting the air, and causing the injury and death of people; the top opening of a blocking plate is large, the bottom opening is small, and the plastic powder can favorably enter the material collecting box, so as to prevent the plastic residue from accumulating in the crushing box and causing blockage.

The invention relates to an exhaust gas treatment system. The system comprises a tower, a gas inlet, a gas outlet, a filter device, a water pump assembly and a water storage tank, wherein the gas inlet is located in the lower end of the tower, the gas outlet is located in the top end of the tower, the filtering device is arranged in the tower and located between the gas inlet and the gas outlet, and the water storage tank is located on one side of the tower and connected with the tower through the water pump assembly; the filter device comprises a filter screen, a guide plate and an adsorptionlayer, the adsorption layer is arranged at the upper end of the tower, the filter screen is arranged at the middle section of the tower, and the guide plate is arranged below the filter screen; a nozzle assembly is arranged between the filter screen and the guide plate, and is connected with the water pump assembly. The system is simple in structure, can effectively remove particulate matter andwater vapor in exhaust gas, and does not cause blockage to a water pump. Meanwhile, harmful gas and gas carrying particulate matter can be filtered to the greatest extent by the arrangement of the filter screen, the guide plate and the nozzle assembly, and the filter effect is improved.