94 results about "Feeding pumps" patented technology

The utility model provides an acetoxyacetyl chloride synthesizer which comprises a first synthesis kettle and a second synthesis kettle, the top of the first synthesis kettle and the top of the second synthesis kettle are both communicated with a first metering tank and a second metering tank through pipelines, and the first metering tank and the second metering tank are both provided with feeding pumps. The bottom of the first synthesis kettle and the bottom of the second synthesis kettle are communicated with a rectifying kettle through pipelines, a rectifying assembly is arranged at the top of the rectifying kettle, and a discharge port is formed in the bottom of the rectifying kettle; the whole device is simple in structure, the two synthesis kettles can be alternately used, so that the production efficiency is effectively improved, acidic mixed waste gases such as sulfur dioxide and hydrogen chloride are not generated, the utilization rate of raw materials theoretically reaches 100%, the device completely conforms to an environment-friendly and pollution-free green process, the reaction process is mild, and the production cost is low. The reaction speed can be controlled by controlling the temperature and the catalyst input amount, the production operation is safe, the production cost is low, and the benefit is high.

The horizontal sand mill comprises a base, a machine body is fixedly installed on the left side of the upper end of the base, a feeding pump is arranged at the upper end of the machine body, the right end of the machine body is movably connected with a sealing disc, and a milling cylinder is fixedly installed at the right end of the sealing disc. The right end of the sealing disc is movably connected with four fixing bolts in a threaded mode. The problem that the maintenance difficulty is large is solved. According to the key point of the technical scheme, the horizontal sand mill for coating production is provided. When the push plate moves rightwards, the fixed block is pushed to move rightwards, when the fixed block moves rightwards, the grinding cylinder is pushed to move rightwards to be separated from the machine body, the rollers are arranged at the bottom of the grinding cylinder, so that the grinding cylinder can be simply pushed to move, and at the moment, the grinding disc, connected with the machine body, in the grinding cylinder is exposed outside; therefore, the abraded grinding disc can be conveniently maintained without going deep into the grinding cylinder for maintenance, the operation is simple, and the maintenance difficulty is reduced.

The invention belongs to the technical field of dehydration systems, particularly relates to a low-boiling tower feed dehydration system before VC rectification, and aims to solve the problems that in the prior art, when vinyl chloride is dehydrated by adopting a solid caustic soda particle layer, local excessive consumption and edge waste of solid caustic soda are easily caused due to non-uniform distribution of vinyl chloride, and the solid caustic soda is easily caked to block a channel, so that the product quality is influenced. According to the technical scheme, the device comprises a low-boiling tower feeding pump, an alkali liquor collecting tank, two drying boxes and a low-boiling tower, the right side of the low-boiling tower feeding pump is connected with a first connecting pipe, and the bottom ends of the two drying boxes are fixedly connected with fourth connecting pipes; the two fourth connecting pipes are fixedly connected with the first connecting pipe, and Y-shaped connecting pipes are fixedly connected to the top end of the alkali liquor collecting tank and the bottom ends of the two drying boxes. By optimizing vinyl chloride distribution and vibrating a solid caustic soda particle layer, vinyl chloride is made to make uniform contact with solid caustic soda, meanwhile, lumps are shaken to avoid blockage, and the drying efficiency is improved; the dehydration efficiency is improved; and the solid caustic soda replacement frequency is reduced.

The utility model relates to the technical field of multi-stage pumps, in particular to a single-flow-channel type inner shell structure applied to a hydrogenation feeding pump and an ammonium carbamate pump in the petrochemical industry. One end of a long transition flow channel suction chamber is connected with a short transition flow channel at the tail of a pump driving end, and the other end of the long transition flow channel suction chamber is connected with one end of a long transition flow channel; the other end of the long transition runner is connected with the first short transition runner at the non-driving end of the pump; and the first short transition runner at the non-driving end of the pump is connected with the delivery chamber to jointly form an inner shell runner. The short transition flow channels are arranged on the single side of the driving end or the non-driving end of the pump in a staggered mode step by step. According to the technical scheme, the problems that the manufacturing difficulty and cost of a grinding tool are increased due to a double-flow-channel structure in the prior art are solved; the small runner size is easy to generate casting defects, and the yield is low; and the pump efficiency is low.

The application discloses a backflow prevention system, which comprises a flow regulating valve, a cut-off valve, a check valve, a differential pressure low interlock and a signal processing unit. A feed pump is communicated with the flow regulating valve, the check valve, the cut-off valve and a high-pressure reactor in sequence. The differential pressure low interlock is communicated with an inlet pipeline connecting the feed pump and the flow regulating valve at one end and with an outlet pipeline connecting the cut-off valve and the high-pressure reactor at the other end. The output end of the differential pressure low interlock is connected with the input end of the signal processing unit in communication. The output end of the signal processing unit is connected with the control end of the flow regulating valve and the control end of the cut-off valve in communication. The signal processing unit controls the on-off of the flow regulating valve and the cut-off valve according to the differential pressure between the two ends of the differential pressure low interlock. The application realizes multi-stage protection of the high-pressure channeling low-pressure working condition by constructing a highly integrated backflow prevention system, and improves the safety of the high-pressure reaction system.

The application discloses a feeding pump. The feeding pump comprises an outer box, a box cover installed on the outer box, a lower support frame fixed below the outer box, a feeding sieve connected to the outer box, a box body arranged in the outer box, a pair of box inner clamping grooves installed on the inner wall of the box body, a driving fixed frame fixed between the box bodies, a diaphragm pump installed in the box body, and a bidirectional driving motor fixed on the driving fixed frame. A box bottom avoiding groove is formed in the bottom of the box body, a penetrating rod groove is arranged beside the box bottom avoiding groove, and an inner connecting rod and a limiting plug rod are respectively penetrated in the penetrating rod groove. The pump body is arranged above the buffer pump frame, the telescopic pressing rod drives the built-in diaphragm to reciprocate and feed, meanwhile, the base table is stressed in the process of repeated movement of the pump body, the first supporting spring installed on the two sides and the second supporting spring installed inside are matched to complete the compensation of vibration under the assistance of the inner connecting rod and the limiting plug rod, so that the pump body runs more stably, and the equipment is prevented from deviating after being used for a certain period of time.

The utility model provides a material conveying device for crystal bar gluing, and aims to solve the technical problem that glue in a conveying system of an existing single-component crystal bar gluing device is easy to cure. A first storage barrel of a storage unit is used for storing a sizing material A; the second storage barrel is used for storing a sizing material B; each material storage barrel is connected with a conveying pipe, and the material conveying pump is arranged at the position of the conveying pipe. The material mixing unit comprises a material mixing pump set and a material mixing pipe assembly; the input end of the mixing pump set is connected with the output end of the conveying pipe; the mixing pipe assembly is used for mixing two sizing materials, is connected to the output end of the mixing pump set and is externally connected with a gluing device; the position sensor is used for sensing whether a crystal bar exists below the mixing pipe assembly or not; the input end of the control processor is connected with the position sensor, and the output end of the control processor is connected with the mixing pump set and the conveying pump and used for controlling the mixing ratio of the sizing material A and the sizing material B. The two sizing materials are separately conveyed and finally mixed and solidified in the material mixing pipe assembly, so that the phenomenon that a conveying pipeline is blocked is avoided.

The invention provides a blockage detection method, device and equipment for a feeding nozzle and a storage medium. The blockage detection method comprises the steps that the flow of feed liquid output from a feeding pump is obtained; determining a target operation frequency of the feed pump based on the flow and an expected flow; and based on the target operation frequency, the blocking state of the feeding nozzle is determined. By adopting the technical scheme provided by the invention, the blockage of the feeding nozzle can be detected and identified in time.

The utility model discloses a printing ink feeding box for a cone sand mill, which belongs to the field of sand mills and comprises a box body, a feeding port communicated with the box body is arranged at the top of the box body, a feeding pump is arranged at the position close to the bottom of the box body, and a filter screen is arranged in the box body. The box body is provided with a stirring mechanism used for preventing the printing ink from precipitating and preventing the filter screen from being blocked, the side face of the box body is provided with a heating assembly, the stirring mechanism comprises a motor set arranged at the top of the box body, and the output end of the motor set is provided with a stirring blade located in the box body through a connecting shaft. A cleaning assembly is arranged on the connecting shaft, the cleaning assembly comprises a mounting base fixed to the connecting shaft, and a cleaning brush abutting against the surface of the filter screen is arranged on the mounting base through a fixing plate. According to the printing ink feeding box for the cone sand mill, the printing ink quality can be improved through the stirring mechanism, stable operation of equipment is guaranteed, the service life of the equipment is prolonged, and the production efficiency is improved.

The invention belongs to the technical field of fine chemical engineering, and particularly relates to a citral full-continuous chemical synthesis method. A plurality of feeding pumps, a mixer, a microreactor, a back pressure valve, a liquid-liquid separator and an online filter are connected according to a citral linear synthesis route to form a fully continuous chemical synthesis device, so that fully continuous chemical synthesis of citral is realized; products with consistent quality can be stably produced, the integration degree is high, the occupied area for production is small, the unit productivity is high, meanwhile, the yield can be adjusted according to requirements, and the amplification effect existing in a kettle type process is avoided.

The utility model discloses a feeding device for feeding in a rice field crayfish breeding ditch, and relates to the technical field of crayfish breeding, in a crayfish field, a plurality of groups of equally divided breeding sub-fields are arranged in the crayfish field, a conveying pipeline is arranged in the crayfish field, the conveying pipeline comprises a main crayfish ditch and an auxiliary crayfish ditch, and a feed pump station is arranged at the upper end of the crayfish field. The feed pump station is communicated with the main shrimp ditch, a feed mixing part and a pressurizing part are arranged in the feed pump station, and pipeline regulation and control assemblies are arranged at the positions of the main shrimp ditch and the auxiliary shrimp ditch. By the adoption of the feed throwing device, feed can be evenly thrown into the breeding sub-fields, the guiding amount of the feed guided into the auxiliary shrimp ditches is measured through the flow meter, the drainage plate is closed after the adding amount reaches the specified amount, feed feeding of one set of breeding sub-fields is completed, and the feeding efficiency of the breeding sub-fields is improved. The subsequent breeding sub-field putting method is performed in the same manner, so that proper feed density and feed use uniformity are ensured.

The invention discloses a negative pressure purification method and device for electronic grade triethyl phosphate, and the method comprises the following steps: S1, carrying out pretest on an equipment main body, a vacuum system, a heat conduction oil system, a cooling system and an instrument control instrument, and ensuring that all test indexes meet requirements; s2, opening a vacuum pump to vacuumize the vacuum buffer tank with condensation; meanwhile, refrigerant circulation of the vacuum condenser is started; s3, the raw materials are conveyed to the light component removal tower through a raw material feeding pump and a raw material feeding flow meter for controlling the feeding flow; s4, light component removal by a light component removal tower: when the content of light components at the bottom of a sample detection tower meets the requirements, conveying materials at the bottom of the light component removal tower to the heavy component removal tower through a heavy component removal tower feeding pump; s5, de-weighting by a de-weighting tower, and conveying the material to a product tank when the sampling is qualified; and S6, filtering to obtain an electronic-grade TEPO product. The boiling point of TEPO is reduced through negative pressure, and high-temperature decomposition is avoided; equipment is simplified through two-stage rectification (light component removal and heavy component removal); impurity introduction and material loss are reduced through nitrogen protection and vacuum condensation.

The utility model discloses an MLCC slurry tank cleaning system which comprises a mixing tank A, a mixing tank B, a grinding main machine, a feeding pump and a pressure pump. The pressurizing pump is connected to the discharging main pipe, and the discharging main pipe on one side of the outlet end of the pressurizing pump is in bypass connection with a cleaning main pipe; a fifth electromagnetic valve is arranged on the discharging main pipe close to one side of the grinding main machine, and a sixth electromagnetic valve is arranged on the cleaning main pipe; a first high-pressure cleaning nozzle is mounted at the top of the ingredient tank A, a second high-pressure cleaning nozzle is mounted at the top of the ingredient tank B, the cleaning main pipe is respectively connected with a first cleaning branch pipe and a second cleaning branch pipe, the first cleaning branch pipe is connected with the first high-pressure cleaning nozzle, and the second cleaning branch pipe is connected with the second high-pressure cleaning nozzle; a seventh electromagnetic valve is arranged on the first cleaning branch pipe, and an eighth electromagnetic valve is arranged on the second cleaning branch pipe. The utility model can solve the problem that the pipeline and the feeding pump of the whole grinding system are blocked by a dry and hard mixture generated by feeding, stirring and sputtering of the double slurry tanks.

The invention relates to the technical field of medical dressing production equipment, and discloses self-cleaning filling residue-free production equipment for high-viscosity medical dressings, which comprises a rack, a shell is mounted on the outer side of the rack, and a filling base is mounted on one side of the bottom of the rack; a high-pressure feeding assembly, a cleaning assembly and a filling head assembly are arranged between the rack and the shell; the high-pressure feeding assembly is arranged, specifically, a buffer tank is matched with pressurized conveying to replace a traditional conveying pump, the problem that material residues are difficult to clean due to the fact that the structure of the conveying pump is compact is solved, meanwhile, the pressure is accurately controlled through an electromagnetic pressure release valve, it is ensured that high-viscosity dressing is conveyed stably, and the conveying efficiency is improved. The filling amount error caused by pressure fluctuation is avoided, the conveying stability is guaranteed, meanwhile, the problem that a conveying pump is compact in structure and difficult to clean is solved, and the risk of bacterium breeding is reduced fundamentally.

The utility model relates to the technical field of biochemical engineering, and discloses white birch juice membrane concentration system equipment which comprises a circulating tank, a cleaning tank, a feeding pump, a booster pump, a circulating pump, a membrane concentration element, a heat exchanger and a control cabinet, a concentrated liquid outlet of the membrane concentration element is communicated with a liquid inlet of the circulating tank through a pipeline, a filtrate outlet of the membrane concentration element is communicated with a liquid inlet of the cleaning tank through a pipeline, and a liquid outlet of the circulating tank is communicated with a liquid inlet of the feeding pump through a stock solution valve; a liquid outlet of the cleaning tank is communicated with a liquid inlet of the feeding pump through a first cleaning valve. According to the device, refined concentration and separation of the extracting solution are realized, the content of impurities can be remarkably reduced, the quality of the birch juice concentrated solution is improved, and the purity and the stability of the birch juice concentrated solution are improved.

The utility model relates to the technical field of paint coating equipment, and discloses an automatic feeding and recycling device for paint coating, which comprises a paint feeding and recycling tank body, a fixed seat is fixed at the bottom of the paint feeding and recycling tank body, and a feeding pump is mounted at the top of the fixed seat; the device is provided with an auxiliary stirring mechanism, when a metal mounting column reciprocates, the outer wall of the coating feeding and recycling tank body can be intermittently loaded, vibration generated by intermittent impact can destroy the agglomeration phenomenon of particles in the coating, and a'dynamic + static 'dual anti-precipitation mechanism is formed by matching with an anti-precipitation stirring device in the coating feeding and recycling tank body, so that the uniformity of the coating is ensured; the device is provided with the reinforcing mechanism, after the recycling pipeline is connected with the filtering box body, the protection sleeve and the supporting sleeve are conveniently fixed, the inner walls of the protection sleeve and the supporting sleeve are tightly attached to the outer side of the recycling pipeline, the connection reliability of the connecting part of the recycling pipeline is enhanced through physical reinforcement, and installation and use stability is guaranteed.

This utility model relates to the technical field of feeding devices, and discloses a feed feeding device for laying hen farming, including a device frame. A second fixing plate is fixedly connected to the outer wall of the device frame, and a feed pump is fixedly connected to the inner wall of the second fixing plate. A feed bend is fixedly connected to the input end of the feed pump, and a discharge nozzle adjustment assembly mechanism is provided at one end of the feed bend. The discharge nozzle adjustment assembly mechanism includes a feed pipe and a connecting buckle. The other end of the feed pipe is fixedly connected to one end of the feed bend, and the other end of the feed pipe is slidably connected to the inner wall of the connecting buckle. In this utility model, a sliding discharge nozzle is set in a slot opened on the side of the feed pipe, so that the sliding discharge nozzle can move up and down within the feed pipe, realizing the adjustment of the height of the discharge nozzle to adapt to feed troughs of different heights in chicken houses. Furthermore, multiple feed pipes can be assembled by connecting buckles, realizing the delivery of feed by multiple discharge nozzles.

The utility model relates to the field of equipment for microbial fermentation, concretely to a feeding device for microbial fermentation tank, including the fermentation tank body, the fermentation tank body top is fixedly arranged with the feed inlet, the feed inlet inboard is movably arranged with the feeder, the feeder top is fixedly arranged with the feeding pipe, the feeding pipe one end fermentation tank body one side is fixedly arranged with the feeding tank, the feeding tank outside is fixedly arranged with the inside view window, the feeding tank top is fixedly arranged with the stirring motor, the stirring motor below fermentation tank body inboard is fixedly arranged with the stirring frame, this kind of device extracts from the feeding tank through the feed pump, then utilizes the feeding pipe and the feeder to convey to the fermentation tank body, and the feeding tank is provided with the stirring motor, can drive the stirring frame rotation through two synchronous gear, thereby utilizes the stirring frame to agitate the nutrient mixed solution in the feeding tank, mixes all kinds of nutrient solution evenly, thereby guarantee that the nutrient mixed solution can better provide the nutrition for the microorganism.

The utility model discloses an automatic dosing device for electroplating wastewater treatment, which comprises a treatment pond and a dosing box body, a dosing pump is arranged at the top of the dosing box body, a feeding pipe is arranged on an input port of the dosing pump, the other end of the feeding pipe is fixed and communicated with the dosing box body, a discharging assembly is arranged on an output port of the dosing pump, and the discharging assembly is connected with the dosing box body. The discharging assembly comprises a main pipe, an extending pipe and a material distributing pipe, and the main pipe is arranged on an output port of the dosing pump. According to the utility model, the discharging components are arranged, the discharging components divide the discharging ports into the number matched with the number of the treating ponds, the chemical is pumped into the discharging components through the chemical feeding pump, and then the chemical feeding of the treating ponds is controlled by controlling the pneumatic valves on the discharging components, so that the chemical feeding pump does not need to be arranged on each treating pond; the effect that one dosing pump and multiple sets of pneumatic valves can control dosing of multiple sets of treatment ponds is achieved, and the problem that in the prior art, cost and control difficulty are increased due to the fact that a dosing pump and matched equipment are arranged in each process is solved.

The utility model provides a countercurrent elutriation device for nitrate co-production, which comprises an evaporation chamber, a salt slurry elutriation chamber arranged right below the evaporation chamber, a salt falling pipe of which the upper end is communicated with the bottom of the evaporation chamber and the lower end hermetically penetrates into the elutriation chamber, a salt discharge foot communicated with the bottom of the salt slurry elutriation chamber, and a refined brine feeding pipe communicated with one side of the elutriation chamber, the refined brine feeding pump, the centrifugal pump, the lower circulating pipe and the upper circulating pipe are arranged on the refined brine feeding pipe, and the heating jacket is arranged on the upper circulating pipe and used for heating materials conveyed in the upper circulating pipe. According to the invention, the heat and mass transfer efficiency during co-production of nitrate can be improved, the production cost is reduced, and the salt product is better in quality after being elutriated for the first time and elutriated for the second time.

1. Name of the designed product: continuous delivery pump (high pressure). 2. Use of the designed product: the designed product is used for the delivery equipment of dry powder material through pipeline to the terminal receiving position. 3. Design points of the designed product: in shape. 4. Picture or photo that best shows the design points: perspective view. 5. The bottom view is not easy to see the part of the large object, omit the bottom view, the top view has been expressed in the submitted view, omit the top view.

The invention discloses a device and a method for maintaining the high fermentation acid yield level of a low-pH-resistant glutamic acid strain, and belongs to the field of biotechnology engineering. A feed port of the thickening device is communicated with a discharge port of the fermentation tank through a first connecting pipeline; a feeding valve is arranged on the first connecting pipeline, or a thickening device feeding pump and a feeding valve are arranged on the first connecting pipeline; a discharge port of the thickening device is connected with a second connecting pipeline; a sampling valve, a discharge valve and a discharge flow meter are sequentially arranged on the second connecting pipeline; an air inlet is formed in the lower end of the thickening device; an inlet of the buffer tank is communicated with a fermentation liquid outlet of the thickening device; a liquid outlet of the buffer tank is communicated with a reflux inlet of the thickening device through a fourth connecting pipeline; the fourth connecting pipeline is provided with a liquid return regulating valve or is provided with a liquid return regulating valve and a liquid return pump; and a liquid return valve and a liquid return flow meter are arranged on the first branch. The method solves the problem that the fermentation liquor containing fine grains is possibly contaminated when returning to the tank, and achieves the purpose of continuously producing acid at high yield in the fermentation period.

The present application relates to foam pump automation processing equipment technical field, specifically is related to a kind of foam pump body full-automatic continuous detection equipment, including conveying track, pump body is located in conveying track and moves, conveying track includes two straight channels, several semicircular arc channels are arranged in "S" type head connection between straight channel, the axis position of arc channel is all provided with a synchronous rotating seat, the circumference of each synchronous rotating seat is equally spaced and provided with several function same detection devices, detection device includes upper seal and lower seal, first linear driver drives upper seal and lower seal and clamps pump body, the present application is detected while driving detection device and pump body along arc channel by synchronous rotating seat moves, can make pump body continuous feeding, reduce the start-stop of feeding device for feeding pump body, improve the continuity of detection process.

The invention relates to the field of fluid machinery, in particular to a mixing and homogenizing emulsification pump which comprises a motor, a pump shell, a homogenizing part and a premixing cover which are transversely and sequentially connected and form an emulsification pump body, the output end of the motor is in transmission connection with a main shaft sequentially penetrating out of the emulsification pump body, and the outer end face of the premixing cover communicates with multiple sets of pumping cylinders distributed around the main shaft; and push rods penetrate through the ends, away from the premixing cover, of the multiple sets of pumping cylinders, and a pressing disc extending obliquely is arranged at the outer end of the main shaft. The motor, the pump shell, the homogenizing part and the premixing cover are transversely and sequentially connected, all functions of material pumping, premixing, homogenizing and discharging are integrated, the main shaft driven by the motor penetrates through the whole equipment main body, power transmission of pumping, homogenizing and transmission adjustment is achieved at the same time, equipment such as an independent feeding pump and a booster pump does not need to be additionally arranged, and the whole equipment is small in occupied area and high in efficiency. The use is convenient.

To provide a device for effectively improving a blood circulation disorder with a simple configuration, and a method for effectively improving the blood circulation disorder.SOLUTION: There are provided a feed pump 12 for feeding any one of air, oxygen, and ozone and water, a gas-liquid mixing tank 14 for mixing any one of air, oxygen, and ozone fed by the feed pump 12 and water, a bubble generation nozzle 16 for converting gas-liquid mixed water obtained by mixing in the gas-liquid mixing tank into micro-nano bubble water containing micro-nano bubbles, a bathtub 23 for storing the micro-nano bubble water, and a drainage pump 25 for discharging the micro-nano bubble water in the bathtub.SELECTED DRAWING: Figure 1

The invention discloses a feeding pump. A feeding pump comprises an outer protection box, a box cover is installed on the outer protection box, a lower supporting frame is fixed to the lower portion of the outer protection box, a feeding screen hopper is connected beside the outer protection box, a box body is arranged in the outer protection box, even number of sets of in-box clamping grooves are formed in the inner wall of the box body, a driving fixing frame is fixed between the box body, and a diaphragm pump is installed in the box body. A bidirectional driving motor is fixed on the driving fixing frame; a box bottom avoiding groove is formed in the bottom of the box body, a rod penetrating groove is formed beside the box bottom avoiding groove, and an inner connecting rod and a limiting inserting rod penetrate through the rod penetrating groove. According to the invention, the pump body is arranged above the buffer pump frame, and the telescopic pressing rod drives the built-in diaphragm to reciprocate for feeding; and meanwhile, in the reciprocating motion working process of the pump body, the base table is stressed, first supporting springs installed on the two sides and a second supporting spring installed inside are matched to offset vibration under the assistance of an inner connecting rod and a limiting inserting rod, and therefore the pump body operates more stably, and the situation that equipment deviates after being used for a certain time is prevented.

This invention provides a reaction apparatus and its application. The reaction apparatus includes a feed pump, a reaction coil, a cooling coil, a back pressure valve, and a reaction liquid receiving device connected in sequence. Using the reaction apparatus provided by this invention can reduce the occurrence of side reactions during the reaction process, while avoiding abnormal fluctuations in temperature and concentration, preventing runaway temperatures and overheating, ensuring a safe and controllable reaction process, and enabling continuous production. Furthermore, the reaction apparatus of this invention occupies significantly less space than conventional equipment, improving the utilization rate of production space.

The utility model discloses an automatic hand sanitizer feeding device, which relates to the technical field of hand sanitizer feeding, and comprises a liquid storage tank and a hand washing bottle, the left part of the outer side surface of the liquid storage tank is provided with a PLC (Programmable Logic Controller), the inner side surface of the lower part of the right wall of the liquid storage tank is provided with a feeding pump, and the inside of the hand washing bottle is provided with a liquid level sensor; the liquid storage tank and the hand washing bottle are connected through a first liquid conveying pipe and a second liquid conveying pipe which slide relatively. By arranging the PLC, the feeding pump and the liquid level sensor, automatic feeding of the hand washing bottles can be achieved, manual liquid level checking is not needed, the problem of supply interruption caused by untimely liquid supplementing is avoided, the first liquid conveying pipe and the second liquid conveying pipe can slide relatively by arranging the first liquid conveying pipe and the second liquid conveying pipe, and the liquid conveying efficiency is improved. After the hand sanitizer conveying pipeline is blocked, the conveying pipeline is easy to replace.

The application provides a dry anaerobic fermentation tank feeding pump which is not easy to block, and belongs to the technical field of feeding pumps. The feeding pump comprises a base, a first mounting frame, a second mounting frame and a third mounting frame fixedly connected to the top of the base, and a driving mechanism, a piston seat and a feeding seat fixedly connected to the first mounting frame, the second mounting frame and the third mounting frame through screws respectively. When there are impurities on the surfaces of the push rods of the third sealing plug and the fourth sealing plug, which result in incomplete resetting of the third sealing plug and the fourth sealing plug, the inner push plate can automatically process the impurities on the push rod part of the third sealing plug and the fourth sealing plug. Since the impurity removing part is in a sawtooth shape, the profile of the impurity removing part cooperates with the inward extrusion force of the inner push plate, so that the impurities on the push rod can be removed more completely. The impurity removing part can be wrapped around the push rod according to the profile of the push rod, so that the impurity removing part wraps around the push rod to remove the impurities, thereby further improving the removal effect of the inner push plate on the impurities on the surface of the push rod.

The utility model relates to the technical field of feeding pumps, and discloses an anti-blocking feeding pump which comprises a pump body, a filter cartridge is connected to the feeding side of the pump body, a filter screen is arranged in the filter cartridge, a blocking clearing mechanism is arranged on the side, facing the pump body, of the filter screen, and a collecting box is correspondingly arranged on the side, deviating from the pump body, of the filter screen. Mounting frames are arranged at the two ends of the filter cartridge, the two mounting frames are jointly and rotationally connected with a rotating shaft, the rotating shaft penetrates through the filter screen, the blockage clearing mechanism and the collecting box are fixed to the rotating shaft, and the position of the blockage clearing mechanism corresponds to the collecting box. The self-cleaning of the filter screen is realized, the cleaning frequency can be automatically adjusted along with the liquid flow, and the smoothness of the filter screen is ensured.