22results about How to "Won't clog" patented technology

The invention relates to an ice crystal evaporator and an ice crystal water cooling device producing from the same, belonging to the technical field of refrigeration. The ice crystal evaporator is characterized in that a liquid inlet channel is formed by an evaporator tube, a liquid inlet and a liquid outlet in a tubular casing; and the outer channel of the evaporator tube of the tubular casing is divided into more than one S-shaped channel forming a water return channel through a water inlet of a water divider and a water outlet of a water collector. The ice crystal water cooling device is characterized in that the return air inlet of the ice crystal evaporator is communicated with a compressor, a condenser, a liquid feeding valve, a dry filter, a liquid feeding electromagnetic valve anda thermostatic expansion valve in sequence, and then is communicated with the liquid inlet of the ice crystal evaporator; a cooling water inlet / outlet of the condenser is connected with a cooling tower in series; and a water inlet / outlet of the ice crystal evaporator is communicated with a water circulating pump and an ice crystal energy storage tank in series. The invention has the advantages ofhigh cooling efficiency, no icing and low cooling temperature and is suitable for production of energy storage central air-conditioning, marine fishing, seafood processing, fruit, vegetable or meat processing, and the like; the cooled medium is municipal water.

The application provides a self-catalytic reformer based on a 3D printing technology and a manufacturing method thereof, and the method comprises the following steps: S1, respectively taking nickel-based alloy powder and / or iron-based alloy powder and nickel-aluminum alloy powder, mixing the powders uniformly in a mixing device to obtain printing powder; S2, using three-dimensional drawing software to obtain a shell structure with a reserved cavity; S3, using porous design software to obtain a porous structure, and the porous structure is matched with the reserved cavity of the shell structure; S4, 3D printing the self-catalytic reformer: taking the printing powder in step S1 and adding the powder into a powder supply bin of a 3D printer, then respectively taking the shell structure in step S2 and the porous structure in step S3 and introducing the structures into the 3D printer, and using 3D printing technology to print an integrally formed self-catalytic reformer. The self-catalytic reformer is obtained by the above method. The structure and function are integrated, no additional catalyst is needed, the catalytic efficiency is improved, and the production cost is reduced.

The utility model discloses an etching device has: liquid medicine tank, the liquid storage tank is communicated with liquid medicine tank through the pipeline, and is equipped with the filter machine on the pipeline of liquid storage tank and liquid medicine tank, etching tank, liquid medicine tank is communicated with etching tank through the liquid pump, etching tank is communicated with the liquid storage tank through the back liquid pipe, the liquid tank is communicated with liquid medicine tank through the pipeline. Solve the problem of spraying maintenance, through the reestablishment etching system, etching liquid medicine is discharged to the liquid storage tank alone, then through the automatic filter machine filters glass slag and automatically discharges the slag simultaneously, and the clear liquid is filtered back to the liquid medicine tank, to maintain the liquid medicine tank without glass slag, can maintain spraying to a great extent and will not block the nozzle, avoids the personnel frequent maintenance equipment problem.

The utility model relates to prestressed corrugated pipe technical field, proposes a kind of prestressed corrugated pipe exhaust device, including prestressed duct corrugated pipe, the left side of prestressed duct corrugated pipe is provided with inlet, the right side of prestressed duct corrugated pipe is provided with outlet, the top of prestressed duct corrugated pipe is provided with exhaust hole, the surface of prestressed duct corrugated pipe is attached with plastic arc-shaped pressing plate exhaust pipe, the top of plastic arc-shaped pressing plate exhaust pipe is fixedly connected with exhaust pipe interface, the utility model avoids the problem that traditional exhaust pipe inserts into prestressed corrugated pipe too long and causes steel strand bundle to penetrate into difficulty and extrusion block pipe etc., guarantees that steel strand bundle penetrates smoothly and exhaust pipe is unobstructed, avoids the problem that traditional exhaust pipe inserts into prestressed pipe too short and causes plastic tube to separate from arc-shaped pressing plate etc., guarantees that subsequent grouting will not block exhaust pipe.

The utility model discloses a kind of underflow slurry pumps, it includes: motor, the motor is arranged on motor support, one end of the motor support is provided with bearing support, intermediate connecting pipe is provided on the bearing support;Slurry pump body, the slurry pump body is connected with the intermediate connecting pipe, impeller is provided in the slurry pump body, the rear cover plate of the impeller is provided with a plurality of back vanes;Shaft, the shaft is built in the intermediate connecting pipe, one end of the shaft is connected on the output shaft of the motor, the other end of the shaft is connected the impeller, sliding bearing is provided on the shaft, intermediate support is provided on the sliding bearing, the intermediate support is connected with the intermediate connecting pipe.The utility model compared with prior art by increasing sliding bearing on the shaft, increase fulcrum, reduce the flexible deformation amount in the process of shafting operation, ensure the stability of impeller operation, reduce the risk of broken shaft, good safety.

This utility model relates to the technical field of water conservancy construction equipment, and discloses a dredging device for water conservancy construction, including a sludge treatment pipe. A cover plate is sealed at the tail end of the sludge treatment pipe, and a sewage guide pipe is connected to the front end of the sludge treatment pipe. A rotating shaft is rotatably installed inside the cover plate, with its front end extending into the sewage guide pipe and a feeding auger installed on its outer side. Multiple sets of cutting blades are installed on the outer side of the portion of the rotating shaft located inside the sludge treatment pipe. A water pump is connected to the upper side wall of the sludge treatment pipe, and a water guide pipe is installed at the water inlet end of the water pump. A sewage discharge pipe is connected to the rear part of one side wall of the sludge treatment pipe, and a sludge extractor is installed at the other end of the sewage discharge pipe. The advantages of this utility model compared with the prior art are: the feeding auger collects the sludge into the sludge treatment pipe; the water pump and the water guide pipe draw water from the upper part of the river into the sludge treatment pipe; the multiple sets of cutting blades cut and break up the sludge, and mix it evenly with the water, resulting in a higher water content in the sludge and preventing sludge blockage inside the sewage discharge pipe.

The utility model belongs to the technical field of concrete-filled steel tube supports, and particularly discloses a concrete-filled steel tube support connecting device with a reinforcing structure, which comprises a left steel tube and a splicing tube, the splicing tube is inserted into the right side of the inside of the left steel tube, and a right steel tube is sleeved outside the right side of the splicing tube. Screw holes are transversely formed in the front ends and the rear ends of the top ends and the bottom ends of the splicing pipes correspondingly, and sliding grooves are formed in the front ends and the rear ends of the upper portions and the lower portions of the surfaces of the left steel pipe and the right steel pipe correspondingly. According to the concrete-filled steel tube support connecting device with the reinforced structure, screw holes are transversely formed in the front and rear positions of the top end and the bottom end of a splicing pipe correspondingly, a left steel tube and a right steel tube are connected to the two sides of the splicing pipe in a sleeving mode, and then a threaded block is pushed along a sliding groove, so that a push block on the side face of the threaded block is attached to the surface of the splicing pipe; the threaded blocks and the threaded holes which are consistent in horizontal direction are aligned, the screws are screwed in for reinforcement, the nuts are connected to the two sides in a sleeving mode, and the object is screwed tightly, so that the problem of insufficient connection strength is solved.

This utility model relates to the technical field of konjac processing equipment, and specifically discloses an alkaline water circulation device for processing konjac gel products. It includes a tank, with a circulating alkaline water tank and a new alkaline water tank located above the tank, and a circulation pipe connecting the tank and the circulating alkaline water tank. Inside the tank, from top to bottom, are arranged a mesh plate, a conveyor belt, a rotating belt, an output belt, and a filter screen. A pH meter is installed inside the circulating alkaline water tank. This utility model establishes a circulation pipe and installs a pH meter inside the circulating alkaline water tank. The circulating alkaline water tank is also connected to the new alkaline water tank, maintaining a suitable pH value for the alkaline water in the circulating alkaline water tank, ensuring full utilization of the alkaline water, and saving energy. This utility model incorporates a rotating belt, changing the entire curing process to an up-and-down curing method, fully utilizing the cavity 11, and reducing space occupation. This utility model also improves production efficiency and makes cleaning the filter screen convenient and quick.

This utility model discloses a leaf collection vehicle, relating to the field of urban sanitation technology. The vehicle includes a vehicle body equipped with a negative pressure trash can, a leaf collection device, a leaf collection device fixing mechanism, and a sweeping device. The leaf collection device includes a suction port, which comprises a housing and a suction port insert. The housing has a suction channel extending vertically upwards from the bottom of the housing. The bottom of the suction channel has a bottom opening, and a suction port is located on the side of the suction channel near the bottom. The bottom opening connects to and is through the suction port. A suction port insert is located at the suction port, and the insert can move towards the suction port to cover it and move away from it to expose it. The suction port can change size using its shape and structure to prevent clogging. Using this leaf collection vehicle greatly improves the efficiency of sweeping up lightly littered objects such as leaves and branches.

This invention discloses a dust-proof and environmentally friendly construction waste recycling device in the field of construction waste recycling technology. It includes a magnetic mechanism and a crushing mechanism inside the outer shell. The crushing mechanism includes a cylindrical lifting block with multiple open cylindrical lifting block grooves at its bottom. The magnetic mechanism includes a cross-shaped magnetic suction frame. Both the lifting block grooves and the cross-shaped magnetic suction frame have independently controlled electromagnets built into them. This invention uses the magnetic suction mechanism and the crushing mechanism to lift and drop the cylindrical lifting block onto the concrete, effectively crushing it. Then, by raising the cross-shaped magnetic suction frame from the cylindrical lifting block and rotating it, the top layer of concrete is dispersed, and metal waste in the concrete is adsorbed layer by layer. This process is repeated until all the metal waste in the concrete is adsorbed, solving the problem of separating concrete and metal waste through crushing.

A hyperbolic cooling tower, relating to the field of cooling tower technology, includes: a tower body, comprising an air inlet formed at its lower part for allowing external air to flow in, and an air outlet formed at its upper part for discharging airflow; a heat exchange layer, including a heat exchange module; the heat exchange module having: a packing portion formed by stacked packing sheets, the packing sheets having through holes, and corresponding through holes stacked in the packing portion forming a receiving cavity; a heat exchange tube disposed in the receiving cavity, the heat exchange tube having a tube body, and multiple radially outwardly extending fins on the outer circumference of the tube body, the multiple fins being arranged along the length direction of the heat exchange tube, the spacing between two adjacent fins being greater than or equal to 4.5 mm; a gap forming between two adjacent fins to allow water droplets to pass through; and a spray section disposed on the upper side of the heat exchange layer, the spray section being used to spray hot water onto the heat exchange layer. This utility model provides a novel design concept for hyperbolic cooling towers.

This utility model provides a mixing device for processing PPA composite materials, belonging to the field of mixing equipment. The mixing device includes: a mixing cylinder, a support frame on the side of the bottom of the mixing cylinder, a discharge hopper in the middle of the bottom of the mixing cylinder, and a feed pipe and a feeding pipe on both sides of the top of the mixing cylinder. The device utilizes a ring-shaped heating chamber with several heating elements inside to generate heat, which is then transferred to the mixing cylinder to heat the composite material raw materials. A heat insulation cover outside the ring-shaped heating chamber prevents burns to personnel. A motor drives several stirring rods on a stirring shaft to rotate, and the heat generated by the internal heating elements further heats the composite material raw materials, improving the heating effect during the mixing process. Simultaneously, a temperature sensor inside the mixing cylinder monitors the temperature in real time, which is displayed and adjusted via an external control panel.

The present application belongs to the technical field of oil field particle plugging operation, and relates to a preparation method of gel for carrying particles and application thereof. Raw materials are mixed according to mass fraction to prepare a mixed solution, wherein 10%-30% of the mixed solution is acrylic acid, 10%-20% of the mixed solution is dimethyl diallyl ammonium chloride, 0.01%-0.1% of the mixed solution is methylene bisacrylamide, 0.01%-0.1% of the mixed solution is tetramethyl ethylenediamine, 0.1-0.2% of the mixed solution is ammonium persulfate, and the rest of the mixed solution is water; then the mixed solution is subjected to polymerization to obtain a gelatinous substance; the gelatinous substance is soaked in brine until saturated; and the gelatinous substance saturated with water is subjected to colloid mill treatment to obtain the gel for carrying particles. The gel prepared by the present application has the characteristics of moderate adsorption capacity, good carrying effect, no water-cement ratio, no fear of water washing, strong adaptability, ability to carry cement, especially mineral powder, and applicability to sludge treatment.

This utility model discloses a hydraulic control console for an underwater pelletizer, relating to the technical field of underwater pelletizers. It includes a fixed base and a cooling enhancement mechanism. The cooling enhancement mechanism is fixedly connected to one side of the fixed base. The cooling enhancement mechanism includes a guide fan fixedly connected to one side of the fixed base, and an airflow regulating plate rotatably connected to the top of the guide fan. Cooling fins are provided on the top of the guide fan, and a power interface is provided on one side of the guide fan. The cooling fins are closely arranged on the outside of the die assembly to increase the heat dissipation area. The guide fan is located directly below the cooling fins, and the airflow regulating plate adjusts the airflow of the guide fan. Compared with existing ordinary hydraulic control consoles, this underwater pelletizer hydraulic control console enhances the cooling effect, ensures that cutting operates at a suitable temperature, improves the performance of hydraulic components and equipment stability, effectively intercepts impurities, prevents impurities from clogging pipelines, and reduces equipment failures.

The present application relates to the technical field of food processing, in particular to a steam curing equipment for producing instant shrimp products, which comprises a chain conveyor, a steam chamber is installed on the chain conveyor, a turnover mechanism for turning over shrimp bodies is installed on each chain plate group of the chain conveyor, and a uniform shaking mechanism for uniformly distributing shrimp bodies is installed on the turnover mechanism; when the steam chamber is used to convey shrimp bodies, the bottom steam can permeate upward to the inside of the stacked shrimp bodies, thereby achieving uniform first-time curing of the shrimp bodies; meanwhile, the shrimp bodies are periodically turned over when the shrimp bodies are steam cured, so that the shrimp bodies can be contacted with steam in different postures, thereby achieving uniform second-time curing of the shrimp bodies; in addition, the shrimp bodies are uniformly shaken in an up-and-down shaking manner, thereby achieving uniform third-time curing of the shrimp bodies; compared with the prior art, the above-mentioned uniform three-time curing of the shrimp bodies can ensure that the shrimp bodies are fully and uniformly cured, and the quality of the final product is ensured.

The utility model belongs to concrete processing technical field, and disclose a kind of concrete admixture feeding device, including support frame and the storage tank of installation in support frame right side, the front side outer wall of storage tank is symmetrically equipped with two transmission motor, and the output of transmission motor is through the front side of storage tank and is connected with broken roll, the inside lower portion of storage tank is transversely fixed and is inserted with support frame, the top of support frame is provided with connecting frame, and the inside bottom of connecting frame is nested and is equipped with sieve plate, the bottom of connecting frame is symmetrically equipped with two vibration motors, the bottom of connecting frame is connected with two rows of inserting rod side by side, and inserting rod is movably inserted in the corresponding side of connecting frame, the side wall of inserting rod is equipped with spring. Through the above scheme, the height of feeding pipe can be conveniently adjusted to improve the convenience of feeding, but the feeding pipe is easily blocked by the agglomerated concrete admixture, which often needs maintenance.

This invention discloses an aqueous dispersant for water-based digital glaze ink and its preparation method. The raw material components of the aqueous dispersant, by weight, include: 35-40 parts of acrylic monomers, 25-35 parts of amide monomers, 30-35 parts of isoborneol methacrylate, 1-3 parts of initiator, 100-300 parts of an alcohol-water mixed solvent, and 0.5-1.5 parts of triethanolamine. This aqueous dispersant is copolymerized from the above ternary monomers. Specifically: the carboxyl groups of the acrylic monomers have a strong anchoring effect on the water-based digital glaze particles, accelerating grinding efficiency through electrostatic adsorption and chelation effects; the amide groups of the amide monomers form dense hydrogen bonds with water molecules, improving the compatibility of the dispersant in the aqueous system and avoiding uneven dispersion caused by hydrophobic stratification; the rigid isoborneol side chains of the isoborneol methacrylate form steric hindrance, effectively preventing particle collision and aggregation, thereby significantly improving the storage stability of the glaze.

The utility model relates to the technical field of feeders, and discloses an automatic stirring feeder which comprises a feeder feed hopper, the bottom of the feeder feed hopper is fixedly connected with a feeder feed opening, a stirring mechanism is arranged in the feeder feed hopper, a driving mechanism is arranged at the bottom of the stirring mechanism, and the feeder feed opening is fixedly connected with the feeder feed opening. The stirring mechanism comprises a stirring assembly, a first supporting assembly and a second supporting assembly, the stirring assembly is arranged in a feeding hopper of the feeder, and the first supporting assembly is arranged on the top of the stirring assembly. According to the automatic stirring feeder, through the arranged stirring mechanism, the auger stirring blades rotate in the feeder feeding hopper and the feeder discharging opening, and feed in the feeder feeding hopper and the feeder discharging opening is stirred; and the feed entering the feed opening of the feeder can continuously move upwards along with the rotation of the auger stirring blade under the condition that the bottom of the feed opening of the feeder is closed, so that the feed in the feed hopper of the feeder and the feed in the feed opening of the feeder can be mixed.

This invention relates to the field of water inlet technology and discloses an easily adjustable vortex water inlet, comprising an inlet pipe and nozzles connected to the inlet pipe. A mounting plate is disposed below the nozzles, and multiple symmetrically arranged inlet components are connected to the mounting plate. Each inlet component includes a connecting column and a rotating block. One end of the connecting column is fixedly connected to the nozzle, and the other end is fixedly connected to the rotating block. The inlet pipe is Y-shaped, with both ends passing through the surface of the mounting plate and entering the connecting column. The inlet pipe is connected to the nozzles, and the two nozzles connected to the two ends of the inlet pipe are centrally symmetrically arranged with their outlets facing opposite directions. The nozzles are angled relative to the mounting plate. This easily adjustable vortex water inlet distributes water into a fluidized bed reactor through two centrally symmetrical nozzles at a certain angle to the mounting plate, forming a vortex inside the reactor. This increases the uniformity of the water intake and promotes thorough mixing and fluidization of the sulfur powder.

The application relates to a small-sized compressor with oil-gas separation, and relates to the technical field of small-sized compressors, and comprises a compressor main body, an oil-gas separator and a lubricating oil recovery system. The application improves the oil-gas separation efficiency by arranging a cyclone separation device and a spiral flow guide structure. When compressed air enters the separation cavity from the compressed air exhaust port of the compressor main body, the spiral flow guide structure first guides the airflow to preliminarily rotate, so that part of oil droplets are thrown to the cavity wall under the action of centrifugal force; then the airflow flows through the cyclone separation device, the rotating speed is further improved, and the remaining oil droplets are completely separated. Compared with the traditional single centrifugal separation, the double rotation strengthens the separation effect of the oil droplets and the air, solves the problem of low separation efficiency at low rotating speed, and enables the clean air after separation to be stably discharged from the clean air exhaust port; the cyclone separation device is adopted to replace the filter element of the traditional filtering separation, thereby reducing the maintenance cost.