56results about How to "Achieve reflow" patented technology

The invention discloses a hydrogen production system which comprises an AEM electric pile, a hydrogen side gas-liquid separator, a hydrogen side gas-water separator, a gas-liquid separation discharge valve, a liquid level detection device and a control module, and the AEM electric pile comprises a hydrogen side outlet and a liquid inlet; the hydrogen side gas-liquid separator comprises a first inlet and a first liquid phase outlet, the first inlet is communicated with the hydrogen side outlet, and the first liquid phase outlet is communicated with the liquid inlet through a backflow pipeline; the gas-liquid separation discharge valve is arranged at the first liquid phase outlet or on the backflow pipeline; the liquid level detection device is used for detecting the liquid level height in the hydrogen side gas-liquid separator; the control module controls opening and closing of the gas-liquid separation discharge valve according to a detection value signal of the liquid level detection device. According to the invention, the gas-liquid separation discharge valve is additionally arranged on the hydrogen side to control the discharge of the liquid in the hydrogen side gas-liquid separator, so that the hydrogen in the hydrogen side gas-liquid separator is effectively prevented or reduced from flowing back to a galvanic pile along with alkali liquor, the hydrogen production process is promoted to be normally and orderly carried out, and the resource waste is reduced.

The invention relates to a secondary aluminum melt impurity removal device which comprises a smelting furnace, T-shaped rails, a moving box, a lifting block, a rotary slag salvaging mechanism, a rolling frame mechanism and a slag vibrating mechanism, the top of the smelting furnace is open, the T-shaped rails are arranged on the two sides of the smelting furnace, the moving box can slide along the rails, and the height of the lifting block is adjusted through a lifting air cylinder; the rotary slag salvaging mechanism is slidably connected to the upper portion of the smelting furnace through a transverse rail rod, a rolling frame mechanism is arranged in the rotary slag salvaging mechanism and rotates by driving a gear to be meshed with a gear ring through a servo motor B, the sections of a plurality of slag salvaging sieve plates on the surface of the rolling frame mechanism are in an L shape, and the slag salvaging sieve plates are used for salvaging impurities floating on the surface of molten aluminum and guiding the impurities into a slag containing disc on a mounting plate. Leaking holes are formed in the bottom of the slag containing disc to achieve backflow of the molten aluminum, the slag vibrating mechanism automatically vibrates and cleans the slag salvaging sieve plate through cooperation of a knocking rod and a spring so as to improve the cleaning efficiency, the whole device can accurately, automatically and efficiently remove impurities on the surface of the molten aluminum, the safety risk of manual operation is reduced, and the resource utilization rate is increased.

The invention discloses a multi-path hydraulic rotary main shaft, and belongs to the technical field of manufacturing of main shafts of hydraulic systems. The invention aims to solve the technical problem of how to realize hydraulic transmission on a rotary main shaft. According to the technical scheme, the hydraulic spindle is characterized by comprising a spindle body, a spindle sleeve body, a front bearing, a rear bearing and a front end cover, a plurality of hydraulic channels are formed in the end face of the spindle body in the length direction of the spindle body, and openings of the hydraulic channels are evenly distributed in the end face in the circumferential direction; first-class radial channels which are the same as the hydraulic channels in number and are communicated in a one-to-one correspondence mode are arranged on the peripheral face of a shaft body of the main shaft body, the lengths of the hydraulic channels on the shaft body are different, annular oil grooves which are the same as the hydraulic channels in number are formed in the inner side of the shaft sleeve body, and the annular oil grooves are correspondingly communicated with the first-class radial channels in a one-to-one correspondence mode. A second-class radial channel communicated with each annular oil groove is formed in the peripheral wall of the shaft sleeve body. The hydraulic oil conveying device has the advantage that the effect of conveying hydraulic oil on the rotating main shaft can be achieved.

The utility model discloses a security check tray system, comprising a first transmission channel comprising a starting end, a sorting table arranged on a horizontal side of the starting end, and a security check device arranged on the first transmission channel and used for checking luggage in a luggage frame; the second conveying channel is used for conveying the luggage frames towards the direction opposite to the first conveying channel and extending the luggage frames to a return area below the sorting table, and the return area is provided with a frame taking window for taking out the luggage frames towards the outer side; the descending device is arranged at the tail end of the first conveying channel and used for being connected with the second conveying channel. By arranging the first conveying channel, the descending device and the second conveying channel, automatic conveying and backflow of luggage frames are achieved, by arranging the sorting table, the returning area and the frame taking window, a user manually takes the frames and places the frames on the sorting table for sorting, the sorting space is provided while the habits of the user are better met, and the sorting efficiency is improved. Meanwhile, the equipment complexity is reduced, and the reliability is improved.

The utility model relates to the technical field of dried fruit screening equipment, in particular to a dried fruit color sorter which comprises a feeding module, a main body module and a backflow module, the main body module is sequentially provided with a material distributing mechanism, a visual detection assembly, a double-channel assembly and a tail discharging port assembly, and the material distributing mechanism comprises a plurality of ball assemblies. The two ends of the ball assembly are fixed to the two parallel chains, the small branch and leaf collecting assembly is installed below the distributing mechanism, the double-channel assembly is located on the upper portion of the distributing mechanism, the air nozzle assembly is installed on the lower portion of the double-channel assembly, the tail discharging port assembly is located at the tail end of the distributing mechanism, and the backflow module is located below the tail discharging port assembly. According to the dried fruit color sorter, due to the design of the feeding module, dried fruits can uniformly and stably enter the color sorter, and a good foundation is provided for the subsequent sorting process. And through combined use of the vibration module and the feeding conveying belt, smooth flowing of the materials is ensured, and the phenomena of blockage and accumulation are avoided.

The invention belongs to the technical field of high polymer material synthesis, and particularly relates to a low-temperature continuous preparation device and method for high-temperature-resistant nylon, and the method mainly comprises the following steps: a neutralization salt forming stage, a first-stage tubular reactor stage, a second-stage tubular reactor stage and a third-stage tubular reactor stage, therefore, continuous feeding of raw materials such as binary acid and diamine and continuous output of high-temperature-resistant nylon products are realized. The device and the method are suitable for preparing homopolymerized and copolymerized high-temperature-resistant nylon, such as semi-aromatic nylon, alicyclic nylon and nylon containing naphthalene rings, are wide in application range, low in polymerization temperature, short in polymerization time, stable in composition, good in product quality, low in yellow index, high in whiteness and stable in performance, realize backflow of diamine and recovery of materials, and are suitable for industrial production. Generation and emission of three wastes are reduced, and the production cost is reduced.

The invention discloses a highway subgrade bearing capacity detection device, and relates to the technical field of subgrade bearing capacity detection, the highway subgrade bearing capacity detection device comprises a pavement layer, a test pit and a detection mechanism, the detection mechanism is provided with an auxiliary mechanism, the auxiliary mechanism comprises an oil storage shell and two mounting holes, and the oil storage shell is internally provided with two perforated plates and a sealing gasket. A shell cover is additionally arranged at an inlet of the oil storage shell, a sealing sleeve is movably connected between the interiors of two mounting holes in a sleeving mode, an L-shaped plate is fixed in the sealing sleeve, the remaining two ports of a three-way pipe communicate with electric valves, and an L-shaped rod is fixed to one end of the L-shaped plate. The bearing capacity detection device can solve the problem that large equipment needs to be used when the balance weight and the cross beam are carried and moved, thereby ensuring that the detection device can be normally erected and used in a new material roadbed section with a limited working space, and further improving the use efficiency of the bearing capacity detection device.

The utility model belongs to the technical field of industrial organic wastewater treatment, and particularly relates to a three-dimensional electrocatalytic oxidation wastewater treatment device. The device comprises a water inlet pipe (1), a filter (2), a water distribution head (3), a bearing plate (4), a polar plate (5), a power supply (6), a reaction tank (7), an overflow tank (10), a water outlet tank (11), a water outlet pipe (12), a spraying reflux pump (13), a spraying reflux device (14) and the like. According to the device, the conductivity is improved after the particle electrode is added, the contact area with wastewater is increased, and the oxidation efficiency is improved. Traditional advanced oxidation technologies such as Fenton can be replaced, and low-cost, modularized and harmless treatment of industrial wastewater is realized.

The application discloses a sewage treatment equipment applied to cold regions, which comprises a hydrolytic acidification treatment tank, an anoxic reaction tank, an aerobic reaction tank, a screening tank, a primary sedimentation tank and a secondary sedimentation tank; a first gas stripping device is arranged in the hydrolytic acidification treatment tank; the anoxic reaction tank is communicated with the bottom of the hydrolytic acidification tank; the aerobic reaction tank is communicated with the upper portion of the anoxic reaction tank; the screening tank is communicated with the bottom of the aerobic reaction tank; the primary sedimentation tank is communicated with the upper portion of the screening tank; and the secondary sedimentation tank is communicated with the upper portion of the primary sedimentation tank. The sewage treatment equipment can perform multi-stage sedimentation on sewage, can also screen activated sludge, forms high-concentration agglomerated biochemical sludge, and can treat biological sewage in cold regions in the north, and can also realize sludge backflow, supplement nutrients and biochemical bacteria for the front end.

The utility model discloses a combined type condenser, relates to condenser technical field, including first condenser and second condenser, the top end of first condenser one side is communicated with the water inlet pipe, the top end of first condenser far away from the water inlet pipe side is communicated with the circulating pipe, one side of the circulating pipe is communicated with the circulating connecting pipe, the circulating connecting pipe is communicated with the circulating connecting pipe, and the circulating connecting pipe is communicated with the circulating connecting pipe. And a transmission pump is fixedly mounted on one side of the circulating connecting pipe. Liquid needing to be cooled is conveyed into the water body conveying spiral pipe through the water inlet pipe, air blowing boxes are arranged on the two sides of the water body conveying spiral pipe in the conveying process, multiple sets of condensation fans are arranged in the air blowing boxes, the air blowing and heat dissipation effects are achieved, and air penetrates through air outlet holes to achieve cooling; and through the arrangement of the wind power backflow cabin, backflow of wind power is achieved, so that the cooling efficiency is improved, the wind power temperature of blowing can be reduced through the setting of the hole diameter of the air outlet holes, and the cooling efficiency of the device is further improved.

The utility model relates to the technical field of sewage treatment, in particular to a sludge backflow device for a water circulation ecological toilet, which comprises an air hose, an air adjusting valve, a stainless steel double nipple, a vertical thin straight pipe, a horizontal thin straight pipe, a first vertical thick straight pipe, a reducing tee, a second vertical thick straight pipe, a horizontal thick straight pipe and a pipe cap. An air adjusting valve is fixedly mounted on the outer side of the air hose, a stainless steel nipple is fixedly connected to the upper end of the air hose, and a vertical thin straight pipe is connected to one end, away from the air hose, of the stainless steel nipple; the device is simple in structure, convenient to use and low in manufacturing cost by selecting existing common accessories and materials, sludge in the reaction tank at the rear end of the reaction tank in a toilet sewage treatment system is carried and conveyed into the reaction tank at the front end of the reaction tank, dynamic backflow and circulation of the sludge in the reaction tank are achieved, and the sludge in the reaction tank is recycled. The sewage is thoroughly degraded and purified, the sewage purification effect is improved, and the purpose of sludge backflow is achieved.

The utility model relates to the technical field of reaction kettles, and discloses a multifunctional reaction kettle with a temperature control interlayer, which comprises a kettle body, an outer cylinder is arranged outside the kettle body, an isolating layer is arranged between the outer cylinder and the kettle body, and a cooling water delivery pipe is fixedly connected to the bottom of the right side of the outer cylinder. A hot water conveying pipe is arranged on the right side of the cooling water conveying pipe, a steam conveying pipe is arranged on the right side of the hot water conveying pipe, a cooling water return pipe is fixedly connected to the left side of the outer cylinder, a hot water return pipe is arranged at the bottom of the cooling water return pipe, and a steam return pipe is arranged at the bottom of the hot water return pipe. According to the reaction kettle, the temperature can be adjusted as required, steam hot water and cooling water can be recycled, the production cost is reduced, chemical substances reacted in the reaction kettle are effectively prevented from escaping, the harm to a human body is reduced, and the kettle cover is convenient to mount and dismount.

The application relates to a local administration device for a bronchoscope, which comprises a main pipe, a syringe butt joint and a conical end head, a baffle is arranged in the middle of the inner part of the main pipe, the inner cavity of the main pipe is divided into two passages by the baffle, a syringe butt joint is arranged at the upper end of the main pipe, two injection ports corresponding to the two passages are arranged on the syringe butt joint, the conical end head is arranged at the lower end of the main pipe, a silica gel injection head is arranged at the lower end of the conical end head, a plurality of closable injection holes are arranged on the lower end of the silica gel injection head, a wire pulling structure moving up and down is arranged at the middle part of the baffle, and a push block structure connected with the lower end of the wire pulling structure is arranged in the lower end of the silica gel injection head. The application has the characteristics of accurate control of the injection amount of medicine, simple structure, convenient manufacturing, improved treatment effect and the like.

The invention discloses a micro-channel heat exchanger, and relates to the technical field of heat exchangers. The micro-channel heat exchanger comprises a first collecting pipe, a second collecting pipe and a plurality of connecting pipes. The multiple connecting pipes are arranged in parallel at intervals and connected between the first collecting pipe and the second collecting pipe, the first collecting pipe, the second collecting pipe and the multiple connecting pipes jointly form a heat exchange flow channel, the heat exchange flow channel is used for refrigerant circulation, a first partition plate is arranged in the first collecting pipe to divide the first collecting pipe into a first collecting section and a second collecting section, and a second partition plate is arranged in the second collecting pipe to divide the second collecting pipe into a second collecting section. Wherein the first flow collecting section is arranged below the second flow collecting section, an inlet communicated with the heat exchange runner is formed in the first flow collecting section, a drainage pipe is arranged at the bottom end of the second flow collecting section in an extending mode, and the drainage pipe is communicated with the inlet. According to the micro-channel heat exchanger, backflow of the retained liquid refrigerant can be achieved, the refrigerant inlet flow is increased, the flowing and distribution uniformity of the refrigerant is improved, the heat exchange efficiency is improved, and the heat exchange effect is guaranteed.

The utility model discloses a kind of feeding device and spraying system, it is related to the technical field of automation equipment.The feeding device includes base, material transmission assembly and feeding back component, material transmission assembly is located in base and has material transmission passage, the width of material transmission passage is adapted to product to make product be sequentially conveyed from the feeding end of material transmission passage to the discharge end of material transmission passage;Feeding back component is located in base and includes first conveyor belt and second conveyor belt arranged side by side, the feeding end of first conveyor belt and the feeding end of second conveyor belt are connected, and the discharge end of second conveyor belt is connected respectively with the feeding end of material transmission passage to make the part of product of the discharge end of second conveyor belt be conveyed to the feeding end of material transmission passage, part of product is conveyed to the discharge end of first conveyor belt and by the feeding end of first conveyor belt be conveyed to the feeding end of second conveyor belt.The technical scheme provided by the utility model improves the scheduling capability of feeding device.

The invention relates to the field of medicine dispensing equipment, and discloses a veterinary medicine dispensing device which comprises a quantitative mixing mechanism located on a mounting rack and used for bearing to-be-mixed medicine powder raw materials and mixed water and adjusting the mixing capacity; the distributing and inputting mechanism is located on the suspension rack and used for distributing conveyed medicine powder raw materials in batches. The linkage feeding mechanism is located on the suspension rack and matched with the annular material collecting pool, the quantitative barrel, the external abutting ring and the arc-shaped conical strip to be used for quantitatively conveying the medicine powder raw materials. By means of the accurate quantitative input and mixing process, the device can automatically mix medicine powder particle raw materials and medicine liquid in proportion, errors in manual medicine dispensing are avoided, the medicine preparation accuracy is improved, medicine powder particles and the medicine liquid are mixed into final medicine after being subjected to accurate quantitative control, and the medicine preparation efficiency is improved. Powder particle raw materials are quantitatively distributed through the annular material receiving pool and the quantitative cylinder system, and accurate feeding of powder is ensured through a rotation driving mechanism of the annular material receiving pool.

The invention discloses a shielding structure of a cable connector and the cable connector, and relates to the field of communication equipment. The invention discloses a shielding structure of a cable connector. The shielding structure comprises a shielding shell, a limiting piece and an elastic conductive piece, the limiting piece and the elastic conductive piece are both arranged in the shielding shell, the limiting piece and the elastic conductive piece are correspondingly arranged in a first direction, and the elastic conductive piece is used for being in elastic contact with a shielding layer of a cable limited by the limiting piece. The cable connector comprises the shielding structure of the cable connector. The method can solve the problems that the cable outer shielding layer aluminum foil or copper foil is easy to break down through laser welding, the tin welding cost is high, and the process is complex.

The present invention relates to the technical field of laser crystal preparation, and discloses a gallate laser crystal preparation device, comprising: a crucible, a pulling assembly and a first reflux assembly, wherein the first reflux assembly comprises a collecting hood, a high-temperature scraper assembly and a reflux pipe, wherein the collecting hood is connected to the top of the crucible and is used to collect condensed volatile substances, the high-temperature scraper assembly is connected to the pulling assembly and is used to melt and scrape off the volatile substances on the inner wall of the collecting hood, and the reflux pipe is arranged on one side of the crucible and is used to guide the scraped melted volatile substances into the laser crystal raw material at the bottom of the crucible. The present invention adopts a high-temperature scraper assembly to scrape off the volatile substances attached to the collecting hood, so that the volatile substances are in a molten state when in contact with the high-temperature scraper assembly, thereby reducing the difficulty of cleaning the volatile substances, and at the same time, a reflux pipe is arranged to guide the melted volatile substances so that the volatile substances flow back from the edge into the laser crystal raw material of the crucible, thereby improving the quality of the prepared laser crystal.

The utility model discloses a dust suppression device for konjac powder processing, and relates to the technical field of food processing. The dust collector comprises a water storage barrel and a dust collection barrel, a connecting seat is fixedly connected to the water storage barrel, a bearing in interference connection with the interior of the connecting seat is rotationally connected with the lower portion of the peripheral side of the dust collection barrel, a dust collection assembly is arranged on the dust collection barrel, a screw plug cover in the dust collection assembly is in threaded connection with the dust collection barrel, and a dust collection pump is communicated with a telescopic pipe communicated with the screw plug cover. Hydraulic rods are connected to the lower surfaces of lug seats symmetrically connected to the peripheral side of the dust collection pump, and hydraulic cylinders connected to the lower ends of the hydraulic rods are connected to the screw plug cover; a water circulation assembly is arranged on the peripheral side of the water storage barrel. The dust collection assembly is arranged, the hydraulic cylinder is controlled to adjust the height of the dust collection cover, the operation steps and the labor amount of workers are effectively simplified when the height of the dust collection cover is adjusted, the water circulation assembly is arranged, the purpose of saving water is achieved, meanwhile, the use amount of water pumps is reduced, and the purpose of saving electricity is achieved.

The utility model provides a material spraying mechanism for a material blending machine and the material blending machine. The material spraying mechanism for the seasoning machine comprises a mounting seat and a material spraying mechanism, wherein the mounting seat is used for being connected with a seasoning frame; the spraying pipe assembly is connected with the mounting base and comprises a material spraying section and a spraying head, the material spraying section is inclined upwards, and the spraying head is arranged at the relatively high end of the material spraying section, so that a first backflow included angle C is formed between the end, away from the spraying head, of the material spraying section and the horizontal plane, and seasoning can flow back along the material spraying section conveniently. The seasoning machine solves the problem that in the prior art, the seasoning machine is prone to dripping after discharging.

An organic wastewater treatment system comprises a container and an aeration system and is characterized in that the container is of a hollow structure, a water inlet is formed in the upper portion of one side of the container, and a water outlet is formed in the upper portion of the side opposite to the water inlet; the aeration system consists of a fan, a gas stripping pipe, a gas stripping gas inlet pipe and a gas inlet header pipe; the fan is arranged outside the container, and the air inlet header pipe is communicated with an air outlet of the fan; the gas stripping pipe is of a straight pipe structure with an opening in the upper end and is vertically arranged in the container; the gas inlet end of the gas stripping gas inlet pipe is communicated to the gas inlet header pipe, the gas outlet end of the gas stripping gas inlet pipe penetrates through the wall of the gas stripping pipe, is arranged in the gas stripping pipe and is bent upwards, organic wastewater flows upwards along the gas stripping pipe under the action of gas pressure in the gas stripping aeration pipe after entering the gas stripping pipe, and new organic wastewater enters from the bottom of the gas stripping pipe and enters the return pipe from the top of the gas pipe; and backflow is realized by flowing along the backflow pipe.

The invention discloses an oil field underground pipe column anti-falling device, and relates to the technical field of anti-falling tools, the oil field underground pipe column anti-falling device comprises an upper joint, and a self-lubricating assembly used for guaranteeing the smooth rolling effect of a centralizing ball is arranged in a counterweight steel block and a lower joint. According to the oil field underground pipe column anti-falling device, a weightlessness sensor on an outer cylinder is in linkage with an electromagnetic valve to be opened, lubricating oil in a liquid cavity in a balance weight steel block is guided into a telescopic liquid storage pipe, the self weight of the balance weight steel block is effectively reduced, the elastic potential energy of a balance weight spring is increased in a disguised mode, and the upward pushing force of the balance weight steel block is enhanced; through switching of the adjustable power pump between low power and medium power, the stirring piece sealing plate in the liquid passing channel is driven to stir in a reciprocating mode, the flowing speed of lubricating oil is increased on the premise that a main injection opening of an oil distribution branch is not closed, the lubricating operation on the centralizing ball is efficiently completed, the friction force between the centralizing ball and a counter weight steel block caulking groove is remarkably reduced, and the service life of the centralizing ball is prolonged. And the blockage of the counterweight steel block in the ascending process is avoided.

The present disclosure relates to the technical field of galvanizing equipment, and an embodiment of the present disclosure provides a galvanizing equipment for stay wire clamp production, which comprises a galvanizing box, a liquid collecting hopper, an on-off valve, a treatment bin, a mounting frame and a filtering mechanism. Two liquid collecting hoppers are arranged in the galvanizing box in a symmetrical manner. A heating assembly is arranged in each liquid collecting hopper. An on-off valve is connected to the lower side of each liquid collecting hopper. Two treatment bins are arranged in the galvanizing box in a corresponding manner below the liquid collecting hoppers and are connected through the on-off valve. The mounting frame is inserted into the treatment bin and can move horizontally in the treatment bin. The above technical solution is used to solve the technical problem that the plating solution in the galvanizing box of the galvanizing equipment in the prior art will produce a large amount of impurities after long-term use, the plating solution needs to be replaced by the staff from time to time, the replaced plating solution is directly discharged, resources are wasted, and the work efficiency is reduced.

The utility model discloses a double -cavity stirring reaction kettle for cutting fluid production, including the reation kettle, the inner chamber central fixed setting of reation kettle has the baffle, the both ends of reation kettle and the inside of baffle all rotationally arranged have the rotary drum, and multiple rotary drums are correspondingly set up, and the top rotation's top is connected with motor no.

This utility model provides a plastic particle blending system, including a main material cylinder, a secondary material cylinder, and a dispersing and conveying mechanism. The dispersing and conveying mechanism includes a main material conveying pipe, a first three-way control valve, a second three-way control valve, a third three-way control valve, a discharge pipe, and a dispersing pipe. The material in the main material cylinder is conveyed through the main material conveying pipe. The air blower on the branch pipe of the first three-way control valve provides conveying kinetic energy for the material in the main material conveying pipe. The discharge pipe on the branch pipe of the second three-way control valve can directly discharge the material. The dispersing pipe on the branch pipe of the third three-way control valve can realize the return flow of the material in the main material cylinder, realizing the self-mixing of the material in the main material cylinder. The bottom of the secondary material cylinder is also provided with a dispersing and conveying mechanism, thereby realizing the mutual mixing of the main material cylinder and the secondary material cylinder. The material cylinders in this application can realize individual mixing or multiple material cylinders can be mixed with each other, resulting in uniform quality of plastic particles, which provides a guarantee for subsequent processing.

The embodiments of the present application provide a data processing method, device, system and storage medium. In the embodiments of the present application, a first user can share a first message in a social application, and other users can flow back a second message to the first user's terminal device in response to the first message shared by the first user. For the first user's terminal device, at least one area of ​​the target image can be activated according to the flowed back second message, and when the area of ​​the target image in the activated state meets the set requirements, the target information bound to the target image can be obtained. In this way, users can help each other complete the activation task of the target image and obtain the target information, thereby realizing the flow back of the sharing results, enriching the information dissemination method, increasing the interest of information dissemination, and helping to improve the user experience. In addition, this information dissemination method has a certain degree of interest, which helps to increase information dissemination and attract more users to participate in puzzle activities.

The utility model relates to the technical field of visual inspection, in particular to visual inspection equipment for a lamp panel, which comprises a feeding mechanism, an inspection mechanism and a turn-over mechanism, the feeding mechanism comprises a fixing frame, an assembly line is installed on the lower layer of the fixing frame, and a push-back plate is arranged on the upper layer of the fixing frame. A material lifting assembly is arranged at the end of the assembly line, and a material pushing assembly is arranged in the side direction of the fixing frame. The material lifting assembly comprises a material lifting motor, a lead screw, a movable seat and a material seat, the material lifting motor is connected with the lead screw, and the lead screw is connected with the movable seat through a sliding block. According to the utility model, the lamp panel is mounted in the material frame and moves to the material lifting assembly along with the assembly line, the material lifting assembly drives the material frame to move upwards, the material pushing cylinder drives the material pushing rod to move, the lamp panel in the material frame is pushed out, the guide wheel abuts against the side wall of the material frame, and the material frame is in contact with the side surface of the material seat, so that the material frame is stably supported; and the pushing air cylinder pushes the material frame onto the push-back plate, so that backflow of the material frame is realized.

The present invention relates to the field of cooling water purification equipment, and in particular to an open-circulation cooling water purification device, comprising a cooling water purification barrel, the cooling water purification barrel comprising a barrel body, a clean water bin is arranged on the outside of the barrel body, a filter cartridge is arranged at the middle of the bottom end of the clean water bin, a filter material cavity is installed inside the filter cartridge, a filter layer is arranged inside the filter material cavity, a sand collecting seat is arranged at the bottom of the inner side of the filter cartridge, a rotating shaft is arranged on the upper side of the sand collecting seat, a mud guide pipe is installed at the lower part of the outer periphery of the rotating shaft through a fixing rod, a mud guide cylinder is fixedly connected to the top of the mud guide pipe, a connecting frame is installed on the outer periphery of the mud guide cylinder, and a uniformly distributed wave flow plate is fixedly connected to the bottom of the connecting frame. The present invention can realize the disturbance of the filter layer inside the filter material cavity through the wave flow plate at the bottom of the connecting frame, so as to avoid the hardening and hardening phenomenon of the filter layer material inside the filter material cavity due to long-term immobility and filtering work, which affects the subsequent filtering effect.

The utility model provides a color paste pump and a color mixer. The color paste pump comprises a control valve and a pump body structure, and the pump body structure comprises a first pump body; a second pump body; the piston rod is provided with a first piston and a second piston; a first access channel is formed in the bottom of the first pump body; the second pump body is provided with a second access channel; the control valve comprises a valve body and a valve element, the valve body is provided with a backflow channel, and the valve element is provided with a color paste injection port, a first axis channel, a second axis channel, a first radial injection-out channel and a second radial injection-out channel. The first in-out channel and the second in-out channel are respectively communicated with the color paste injection port through the axis channel, the radial injection-out channel and the backflow channel; and when the valve element rotates to a second preset position, the second inlet and outlet channel communicates with the color paste injection opening through the axis channel, the radial injection-out channel and the backflow channel. The color paste pump solves the problem that in the prior art, a color paste pump is prone to being abraded by color paste to cause leakage.

A pelletized belt roasting burner with an adjustable flue gas recirculation structure is disclosed, relating to the field of burners. The pelletized belt roasting burner with adjustable flue gas recirculation structure includes a burner brick with a Laval channel and a recirculation chamber, and a connecting flange. The Laval channel connects the recirculation chamber and the combustion chamber. A burner core extending into the Laval channel and an air pipe communicating with the burner core are connected to both sides of the connecting flange. The air pipe has a gas pipe connected to it, and a blind flange with an inspection hole is provided. The air pipe and the gas pipe each have an air inlet and a gas inlet, respectively. The burner brick has multiple recirculation channels connecting the recirculation chamber and the combustion chamber, and an ignition tube connecting the recirculation chamber. The burner core is fitted with an adjusting plate that moves axially along the burner core to adjust the cross-sectional area at the connection between the recirculation chamber and the Laval channel, and an adjusting device for driving the adjusting plate. The pelletized belt roasting burner with adjustable flue gas recirculation structure can reduce NO₂ levels. X Emissions are reduced, flame stability is improved, and the hot and cold state adjustment ratio of the burner is increased.