91results about How to "Fast flow" patented technology

The invention relates to the field of coal gasification chilled water, in particular to a coal gasification chilled water filtering system which comprises at least two filter bodies connected into a coal gasification chilled water system and arranged in parallel, and each filter body comprises a shell, a V-shaped sieve plate, a sieve plate flushing assembly and a shell flushing assembly. According to the coal gasification chilled water filtering system, on-line automatic dual cleaning of the filter body can be achieved, under the condition that normal operation of the filtering system is not affected, high-pressure grey water of a coal gasification grey water system is used for cleaning the sieve plate from the upper portion through the top flushing spray head, the inner wall of the shell is flushed through the combination of the side flushing pipe, and the filtering effect is good. The flushing effect of the filter body is improved, the service life of the filter body is prolonged, recycling of the filter body is achieved, the problems that at present, ash blocks the filter, chilled water supply is insufficient, and a gasification furnace cannot operate for a long period are solved, the working intensity of workers is reduced, and the production investment cost is saved.

The invention relates to the technical field of cooling devices, and discloses a cooling device for iron casting production, which comprises a base, the top of the base is fixedly connected with a support frame, the inner wall of the support frame is provided with a fan assembly, the rear part of the base is fixedly communicated with a water inlet pipe, and the front part of the base is fixedly communicated with a water outlet pipe. After air cooling, the lifting frame is driven by the air cylinder to move so that an iron casting can be subjected to water cooling, manual contact is avoided, the service life of the equipment is prolonged, meanwhile, the cooling speed of the iron casting is further increased, the quality of produced cast iron is better, and before water cooling, the cooling efficiency is improved. The lifting frame moves to drive the pressing plate to move to clamp the iron casting, the position of the iron casting in water flow is prevented from being changed, cooling of the iron casting is more stable, the overall working efficiency of equipment is improved, and the overall quality of products is further improved.

The invention relates to the field of essence preparation, and discloses a fruit-flavored daily chemical essence preparation device which comprises a rack, and a feeding mechanism, a stirring mechanism and an output pipeline are mounted on the rack. The stirring mechanism comprises a lifting assembly and a rotating support rotationally connected with the lifting assembly, a rotating shaft formed at the joint is driven by a first motor to rotate, the lifting assembly can pull the rotating support to move in the vertical direction, the first motor is arranged on the lifting assembly, and the rotating shaft is horizontally arranged; the two ends of the rotating support are each perpendicularly provided with a cantilever support, a mixing tank is installed between the two cantilever supports, and the axis of the mixing tank is perpendicular to the axis of the rotating shaft. The stirring mechanism further comprises a stirring assembly located in the mixing tank and a driving assembly located outside the mixing tank and used for driving the stirring assembly to move and rotate in the mixing tank at the same time.

The utility model relates to the technical field of heat dissipation devices, and discloses a liquid cooling heat dissipation device and a liquid cooling heat dissipation system comprising the liquid cooling heat dissipation device. The utility model discloses a liquid cooling heat dissipation device, and the device comprises a housing. A liquid inlet and a liquid outlet are formed in the shell, and a cavity communicated with the liquid inlet and the liquid outlet is formed in the inner side of the shell; at least one flow guide plate is arranged in the cavity and corresponds to the inner wall of the cavity in position, so that a roundabout flow channel is formed in the cavity, and the two ends of the flow channel are communicated with the liquid inlet and the liquid outlet respectively; the liquid cooling heat dissipation device further comprises a flow guide adjusting structure, the flow guide adjusting structure is connected with the flow guide plates and the shell, and the flow guide adjusting structure is used for adjusting the distance a between the flow guide plates and the corresponding inner wall of the cavity and / or the distance b between the adjacent flow guide plates so as to adjust the width of at least part of the flow channels. The heating device has the beneficial effects that the heat dissipation efficiency is improved, and the service life of the heating device is prolonged.

The utility model provides a heat dissipation shell of an LED lamp, and relates to the field of LED lamps. The LED lamp heat dissipation shell comprises a fixing plate, a shell mechanism is arranged on the surface of the fixing plate, the shell mechanism comprises a mounting plate and a connecting plate, a heat dissipation mechanism is arranged in the middle of the connecting plate, the heat dissipation mechanism comprises heat dissipation fan blades, a heat dissipation plate and a filter plate, and a sweeping mechanism is arranged on the surface of a fixing bin. The cleaning mechanism comprises a rotating shaft and bristles. According to the heat dissipation shell of the LED lamp, the lamp is installed on a wall through the installation plate, air inside the fixing bin and air outside the fixing bin are made to flow through the heat dissipation fan blades, the heat dissipation efficiency of the LED lamp is improved, circulating air is filtered through the filter plate, the LED lamp is subjected to heat dissipation and cooling through the heat dissipation plate and heat dissipation fins, the heat dissipation efficiency of the LED lamp is improved, and the heat dissipation efficiency of the LED lamp is improved. Bristles are driven to rotate through a rotating shaft to clean the filter plate, so that the filter plate is prevented from being blocked by dust, and the air filtering effect of the filter plate is improved.

The present application relates to the technical field of plunger pump, in particular to a variable stroke double cavity plunger pump, which comprises a shell and a driving motor, two delivery pipes are arranged in the shell, two groups of crankshaft assemblies are arranged on the output shaft of the driving motor, the shell is connected with the corresponding delivery pipe through the crankshaft assembly, and a first one-way valve and a second one-way valve are symmetrically arranged in the delivery pipe along the axis of the crankshaft assembly; the one-way valve comprises a reset assembly, a sealing assembly and a clamping assembly arranged in sequence from top to bottom, the sealing of the sealing assembly is realized by the elastic extension of the reset assembly and the adhesion of the clamping assembly; the sealing assembly on the first one-way valve is provided with a first negative pressure assembly, the sealing assembly on the second one-way valve is provided with a second negative pressure assembly, and the first negative pressure assembly and the second negative pressure assembly are oppositely arranged; by arranging the negative pressure disc and the connecting pipe, the stress area of the sealing ball under the negative pressure condition is increased, the opening speed is accelerated, and the fluid passing efficiency is improved.

The application provides a control instrument for detecting the strength of molding sand and relates to the field of molding sand detection. The control instrument for detecting the strength of molding sand comprises a base, the inside of the base is divided into an airflow control cavity and a heat dissipation cavity by a partition plate, an air outlet channel is installed on the front side of the right end of the base, an air outlet groove is fixedly connected to the side of the airflow control cavity close to the air outlet channel, the inside of the air outlet groove is in communication with the air outlet channel, a piezoelectric valve is installed above the airflow control cavity, and a strength pressure transmitter is installed above the heat dissipation cavity. The piezoelectric valve and the airflow control cavity are added to the inside, the airflow control of the piezoelectric valve is more convenient, the operation stability is improved, when the test is stable, the piezoelectric valve can be closed and the control valve can be opened, the airflow directly enters the air outlet groove from the air inlet groove and is discharged, the consumption of compressed air can be greatly reduced, the energy consumption is reduced, and the operation cost of enterprises is reduced.

The utility model discloses a heavy-medium washing high-frequency undersize pump pressurized water treatment device, which relates to the technical field of coal mine washing and comprises a material box, an overflow pipeline is mounted at the upper part of the side wall of the material box, one end of a connecting pipeline is mounted at the bottom end of the material box, and a discharge valve is mounted on the connecting pipeline. The other end of the connecting pipeline is connected with a slurry pump through a flange, the pumping-out end of the slurry pump is connected with a discharging pipeline through a flange, and a discharging valve is installed on the discharging pipeline. According to the dense medium washing high-frequency undersize pump pressurized water treatment device, the situation that undersize water flows into an undersize water pipeline, the undersize water of a high-frequency sieve is recycled into a material box, the undersize water flows into the material box, and the undersize water is pressurized by a slurry pump and is transferred and discharged into a concentration tank is avoided, so that the flow speed of the undersize water is higher, and the pipeline is prevented from being blocked by accumulated materials; production shutdown is avoided; and the overflow pipeline is connected to the upper part of the material collecting side surface and enters a trench, so that the phenomenon of bucket overflow is avoided.

The utility model discloses a bipolar plate with a wave-shaped flow channel structure, relates to the technical field of hydrogen fuel cells, and can solve the problem that local overheating of an electric pile is easily caused due to the fact that flow channel design speed control mainly depends on bending design in the prior art. The bipolar plate with the wave-shaped flow channel structure comprises a plate body, and a plurality of wave-shaped flow channels which are arranged at intervals and are parallel to the length direction of the plate body are arranged in a flow field area of the plate body; the bottoms of the wave-shaped flow channels are arranged in a high-low staggered mode in the length direction of the plate body.

This invention relates to a fat mimic based on micro / nano-sized starch, its preparation method, and its application. The preparation method of the fat mimic includes: S1: providing a potato starch solution with a concentration of 15-20%; S2: adding 35-50 u / g of α-amylase (with an enzyme activity of 10000 u / g) based on the mass of potato starch, and enzymatically hydrolyzing at 85-90℃ for 5-15 min to obtain a potato starch enzymatically hydrolyzed fat mimic with a DE value of 2-3; S3: adjusting the potato starch enzymatically hydrolyzed fat mimic to a concentration of 1-5%, and using dynamic ultra-high pressure microfluidic technology at a pressure of 180-200 MPa for 6-12 cycles of micro-nano-sized potato starch fat mimic to obtain a particle size between 500-700 nm. Compared with enzymatically hydrolyzed fat mimics, the micro-nano-scale potato starch fat mimics prepared in this invention have significantly improved oil retention, emulsification, emulsification stability, sedimentation, and apparent viscosity. This is beneficial for increasing their fat substitution rate in food and developing low-fat or fat-free foods with a more delicate texture and better sensory experience and textural expectations for consumers.

Embodiments of the present application provide a laundry treating apparatus including a tub assembly and a circulation system. The tub assembly is provided with a laundry treating cavity and a drain opening communicating with the laundry treating cavity. The circulation system includes a drain pump having a first outlet and a water inlet, a drain passage communicating the drain opening with the water inlet, and a first passage having a water inlet end communicating with the first outlet and a water outlet end facing the drain passage. During the process of the drain pump pumping water into the first passage, the water in the first passage flows at a high speed, and the water flowing out of the water outlet end of the first passage has a flow interference effect on the water and the detergent in the drain passage, which is conducive to promoting the dissolution of the detergent in the drain passage. Since the drain passage communicates with the laundry treating cavity through the drain opening, the dissolved detergent will enter the laundry treating cavity along with the water through the drain opening to clean the laundry, thereby helping to improve the cleaning ratio.

The utility model relates to reinforced concrete preformed part anti -deformation technical field, concretely relates to a reinforced concrete preformed part anti -deformation device for energy storage equipment installation, including anchor plate body, the anchor plate body upper surface fixedly connected with preformed part body, the utility model discloses the vertical end of preformed part body is completely covered with protection cylinder, effectively avoided the concrete directly impact preformed part body when concrete pouring, in the pouring process, the flow rate of concrete is very fast, and the impact energy is huge, if not the protection device, preformed part is easy to deform, first support rod and second support rod fixed connection in the arc face outer wall of protection cylinder, strengthened the structural stiffness of protection cylinder. In the concrete pouring process, will produce greater impact force, and the support rod can effectively disperse and bear these impact force, further strengthened the stability of protection cylinder, ensure that protection cylinder will not shift or damage because of impact in the pouring process, thereby better protection preformed part.

The utility model discloses a polishing quality inspection tool which comprises an elastic main body and a sand net connected to the lower surface of the elastic main body. Wherein a magnet for adsorbing ferromagnetic parts is arranged in the elastic main body. The sand net is arranged on the lower surface of the elastic main body, so that the sand net can be flexibly attached to and polish the surface of a part. And the magnet is arranged in the elastic main body, so that the magnet actively attracts the part, the part is actively attached to the sand net after being attracted, hands of an operator do not need to be in direct contact with the part on a production line, and therefore the efficiency and safety of polishing quality inspection are improved.

The utility model relates to a pet toilet which comprises a toilet body, a urine falling opening is formed in the toilet body, inserting grooves are formed in the inner sides of the edges of the upper surface of the toilet body, at least one inserting groove is a continuous long groove, and the other inserting grooves can be continuous long grooves or discontinuous short grooves. An inserting piece matched with the long groove is arranged below the edge of one side opposite to the long groove, and when two or more toilet bodies exist and the inserting piece is inserted into the long groove of the adjacent toilet body, the two toilet bodies can be spliced, and modular application of the toilet bodies is achieved.

The invention discloses a screening device for aqueous battery production materials, which mainly comprises: a coarse material discharge port, a shell, a grinding component, a material dividing component, and a feeding device; the material dividing component is composed of a plurality of screening mesh plates; the screening mesh plates mainly comprise an upper screen layer, a lower screen layer, an auxiliary screening material guiding component, and a tensioning structure; a plurality of auxiliary screening material guiding components which are wider at the top and narrower at the bottom are arranged on the upper surface of the lower screen layer; sieve holes are arranged on the top surface of the auxiliary screening material guiding component; a gradually expanding space portion with a gradually increasing cross-sectional area from top to bottom is formed between the side walls of two adjacent auxiliary screening material guiding components; more materials are facilitated to be discharged along the upper surface of the auxiliary screening material guiding component, thereby reducing material accumulation and blockage.

The application discloses an electric pump, which comprises a shell, a stator assembly and a rotating assembly. The shell has a first inner cavity, and the stator assembly is fixedly arranged in the first inner cavity. The first inner cavity has a heat dissipation channel and a rotating assembly inner cavity for accommodating the rotating assembly. The rotating assembly is rotatably arranged in the rotating assembly inner cavity. The rotating assembly inner cavity comprises a liquid outlet channel extending along the circumference thereof. The liquid outlet channel is in communication with the liquid inlet and the liquid outlet of the heat dissipation channel. At least part of the heat dissipation channel is arranged on the radial side of the stator assembly along the radial direction of the electric pump. The liquid outlet channel comprises a contraction section and two intermediate sections. The two intermediate sections are respectively connected to the two ends of the contraction section. Compared with the liquid inlet, the contraction section is closer to the liquid outlet and is located between the liquid inlet and the liquid outlet. The minimum cross-sectional area of the contraction section is smaller than that of the intermediate sections. In this way, the heat exchange of the stator assembly is facilitated.

The extrusion die for the aluminum profile of the lifting structure of the display comprises an upper die and a lower die, the mold core is arranged at the bottom of a connecting column in the middle of the bottom surface of the upper mold; a plurality of peripheral shunting holes which are circumferentially spaced and vertically penetrate through the upper mold are formed in the periphery of the connecting column; a middle flow dividing hole located above the connecting column is further formed in the middle of the top face of the upper die in a concave mode. The mold core is sleeved in the cavity; forming holes are formed in the outer peripheral wall of the mold core in an inward concave mode, and the forming holes comprise large screw arm forming holes and small rib forming holes; the screw arm forming holes and the rib forming holes penetrate through the bottom face of the mold core downwards, and the screw arm forming holes are further communicated with the middle flow dividing holes upwards. Therefore, the screw arm forming hole upwards communicates with the middle flow dividing hole, sufficient metal materials can be provided for the screw arm forming hole in the extrusion forming process, the situation that feeding is insufficient due to the fact that feeding is conducted only through the peripheral flow dividing holes is avoided, it is ensured that the structure of a screw arm formed after a product is formed is stable, and fracture deformation of the screw hole can be prevented.

The application relates to the technical field of fireplaces, in particular to a high-efficiency heat-dissipation fireplace. The fireplace comprises a furnace body, the furnace body comprises a back plate, a side plate, a bottom plate, a front plate, a top plate and a combustion inner cavity, the top plate is composed of a plurality of convex units, and the plurality of convex units are connected in a wave shape. The top plate is arranged in a wave shape, the periodic fluctuation can increase the effective height of the top plate in the thickness direction, the geometric rigidity is enhanced, the top plate is prevented from being deformed due to heat, and the surface area of the wave-shaped top plate is increased, so that the heat-dissipation area of the top plate is effectively increased.

The invention provides an improved cleaning tank for a probe of a biochemical analyzer and a cleaning method of the improved cleaning tank, and belongs to the technical field of machinery. The problem of poor stability in the prior art is solved. The improved cleaning tank for the probe of the biochemical analyzer comprises a cylindrical shell, a cavity is formed in the shell, an opening is formed in the upper end of the shell, the improved cleaning tank is characterized by further comprising an end cover and a cylindrical drainage cylinder, the end cover is detachably connected to the upper end opening of the shell, an insertion hole is formed in the end cover, and the probe can be inserted into the insertion hole. The upper end of the drainage cylinder is connected with the lower end of the shell, a drainage hole right opposite to the insertion hole is formed in the bottom of the shell, the shell is communicated with the drainage cylinder through the drainage hole, and a positioning structure capable of fixing the drainage cylinder on a corresponding support is arranged on the outer side of the drainage cylinder. The cleaning method for the probe of the biochemical analyzer comprises the following steps: A, preparing; b, inserting a pin; c, cleaning; and D, dehydrating. The improved cleaning tank for the probe of the biochemical analyzer is high in stability, and the cleaning method is simple and convenient to operate.

This invention relates to integrated cooktops, specifically to a duct structure for the exhaust power unit of an integrated cooktop. The duct structure comprises a duct between the cooktop housing and a straight duct. The cooktop housing has a front guide and a rear guide at its front and rear ends, respectively. The outer circumferential wall of the front guide extends gradually outward from front to back, and the outer circumferential wall of the rear guide extends gradually inward from front to back. The maximum outer diameters of the front and rear guides are the same as the outer diameter of the cooktop housing. A plurality of moving blades extend into the duct, and the duct contains a plurality of stationary blades connecting the straight duct and the cooktop housing. The moving and stationary blades are arranged in a ring-shaped interval around the axis of the straight duct. This invention has the advantages of enabling faster airflow and lower noise.

The present application discloses an abnormal transaction identification method, device, equipment and medium, which belongs to the field of data processing. The method includes: obtaining expenditure card transaction data and income card transaction data within a preset time period, the expenditure card transaction data is used to represent expenditure details, and the income card transaction data is used to represent income details; according to the expenditure details represented by the expenditure card transaction data and the income details represented by the income card transaction data, the expenditure card transaction data and the income card transaction data are matched to obtain a matching data group, and the expenditure details represented by the expenditure card transaction data in the matching data group and the income details of the income card transaction data are the same or approximately the same; based on the matching data group, identify at least part of the transactions indicated by the matching data group as abnormal transactions. According to the embodiment of the present application, it is possible to realize the identification of abnormal transactions for illegal purposes.

The utility model discloses a gas valve which is reasonable in layout and facilitates normal passing of gas. A gas valve comprises a gas valve body, a rotary switch is arranged at the front end of the gas valve body, a communicated nozzle is arranged at the rear end of the gas valve body, and the rotary switch and the nozzle are coaxially arranged. The left side of the rear end of the gas valve body extends and is horizontally communicated with a first gas outlet pipe, an ignition pipe is mounted at the rear end of the first gas outlet pipe and is parallel to the nozzle, and an ignition needle is mounted above the ignition pipe; the right side of the rear end of the gas valve body extends to form a vertically communicated first mounting seat, an electromagnetic valve is mounted in the first mounting seat, a thermocouple is mounted at the top of the first mounting seat, the measuring end of the thermocouple is located beside the nozzle, and the thermocouple is used for driving the electromagnetic valve; a piezoelectric igniter is installed on the top face of the front end of the gas valve body and electrically connected with the ignition needle. A communicated gas inlet pipe protrudes out of the bottom of the gas valve body.

The utility model discloses an anti-precipitation gluing device which comprises a gluing mechanism used for completing gluing of materials and comprising a rack, a glue dipping roller assembly and a metering roller assembly, and the glue dipping roller assembly and the metering roller assembly are arranged on the rack; the glue groove mechanism comprises a glue groove and a lifting assembly for driving the glue groove to move up and down, the glue groove is provided with a working position and a non-working position which are arranged up and down under the driving of the lifting assembly, and when the glue groove is located at the working position, the glue dipping roller assembly is located in the glue groove; the glue supply mechanism is used for supplying glue to the glue tank and comprises a glue storage tank located above the glue tank and a stirring part arranged in the glue storage tank, and the bottom of the glue storage tank is connected with a glue supply pipe; the glue solution circulating mechanism is used for circularly stirring the glue solution in the glue tank and comprises a glue spraying pipe arranged at one end, far away from the metering roller assembly, of the glue tank, a circulating pipeline for connecting the bottom of the glue tank with the glue spraying pipe and a circulating pump arranged on the circulating pipeline. The anti-precipitation gluing device provided by the utility model can prevent inorganic powder from precipitating and improve the gluing quality.

The utility model relates to the technical field of optical lenses, and discloses an automatic cleaning device for optical lenses, which comprises an ultrasonic cleaning machine, the outer wall of the ultrasonic cleaning machine is rotatably connected with a top cover, the outer wall of the ultrasonic cleaning machine is provided with a mounting groove, the inner cavity of the mounting groove is provided with a drying fan, and the inner cavity of the drying fan is provided with an air outlet. A partition plate is fixedly assembled on the outer wall of the drying fan, and a driving motor is fixedly assembled on the inner wall of the ultrasonic cleaning machine. According to the automatic cleaning equipment for the optical lens, through the arrangement of a driving motor and a screw rod installed on the outer wall of the driving motor, when the lens needs to be cleaned, the height of a lifting plate can be adjusted under the action of the screw rod and the driving motor, so that when the lens is placed in a placing bin, the lens can be conveniently cleaned, and the cleaning efficiency is improved. The lens can be soaked in the inner cavity of the cleaning liquid under the action of the screw rod, and the cleaning liquid does not need to be touched by hands in the process, so that the lens cleaning device is very convenient.

The utility model discloses a uniform feeding device for food additives, relates to the technical field of food additives, and aims to solve the problem of non-uniform mixing caused by the fact that the conventional mixing device provided by the background technology cannot uniformly discharge the food additives. Comprising a material collecting bin, a stirring bin shell and a stirring bin base, the material collecting bin is installed at the upper end of the stirring bin shell, the stirring bin base is fixed to the lower end of the stirring bin shell, an output rotating motor is arranged on one side of the stirring bin shell, and the output shaft end of the output rotating motor is connected with an output rotating gear; an output pipeline is rotationally connected to the center of the bottom of the stirring bin base through a bearing, a pipeline rotating gear is arranged at the upper end of the exterior of the output pipeline, the output rotating gear is in transmission connection with the pipeline rotating gear through a bottom transmission belt, a spraying opening is connected to the lower end of the output pipeline, and an internal thread part is arranged in the output pipeline in a threaded mode.

The invention relates to the technical field of condensate water collection and treatment, and discloses a methane torch condensate water collection device which comprises a torch body, an air blower connected with the torch body through a pipeline and a controller installed on the front face of the torch body. Through the innovative design of the 180-degree fan-shaped collecting hoppers and the cooperation of the filter cartridge and the two collecting hoppers, the double-cavity integrated structure of the filter cartridge is utilized, namely the top of the inner cartridge of the filter cartridge is an inverted conical opening, a detachable filter screen is arranged in the filter cartridge and used for intercepting and collecting solid particles in condensate water, and the bottom of the inner cartridge of the filter cartridge is an inverted sharp conical opening, so that the solid particles in the condensate water can be effectively collected. The bottom of the collecting barrel is communicated with a blow-off pipe, so that filtered condensate water can be discharged out of the collecting barrel; and on the other hand, the bent pipe designed between the filter cartridge and the two collecting hoppers adopts an arc-shaped structure, so that the gas flowing resistance is reduced, the condensate water discharging efficiency is improved, the collected condensate water can flow to the filter cartridge more quickly, and the collecting performance is further improved.

The invention discloses a low-load stable combustion device of a pulverized coal fired boiler, which relates to the field of combustors and comprises nozzles arranged at four corners of the pulverized coal fired boiler, the air inlet ends of the nozzles are connected with pulverized coal pipe elbows, and the air outlet ends of the nozzles are communicated with the interior of the pulverized coal fired boiler. And primary air carrying pulverized coal in the pulverized coal pipe elbow enters from the air inlet end of the nozzle and is discharged into the pulverized coal boiler from the air outlet end of the nozzle. According to the low-load stable combustion device for the pulverized coal fired boiler, primary air is shunted through cooperation of the concentration cover and the light phase groove, pulverized coal entering the gathering pipe can be concentrated under the cooperation effect of the air groove and the gathering cover, the content of the pulverized coal in airflow exhausted from the gathering pipe is higher, the flow speed is higher, and meanwhile under the cooperation of the electric heating strip, the combustion efficiency is improved. According to the pulverized coal boiler, the ignition point of pulverized coal entering the pulverized coal boiler from the gathering pipe is effectively reduced, the ignition point is advanced, the pulverized coal can be better ignited, low-concentration pulverized coal flowing around can be ignited, and therefore better stable combustion can be conducted on the pulverized coal boiler.

The utility model belongs to the technical field of display processing, and particularly relates to a COG (Chip On Glass) prepress for a liquid crystal display, which comprises a frame body, a support frame is arranged on the table top of the frame body, a press-fitting driving part is arranged on the side wall of the frame body, the press-fitting driving part drives a press-fitting head to face the support frame, a cavity is arranged in the press-fitting head, and the press-fitting head is arranged in the cavity. An electric heating plate used for heating is installed on the top wall of the cavity, an air pump is installed in the cavity, an air opening of an air outlet frame of the air pump faces the hot air openings, the two sides of the cavity are communicated with the hot air openings respectively, the hot air openings extend to the bottom of the press-fitting head, and a pre-pressing roller is arranged on the portion, between the two hot air openings, of the bottom face of the press-fitting head. According to the display screen prepressing device, the prepressing quality can be improved under the condition that the environment temperature is low, the flowability of glue in the display screen prepressing process can be improved, the flowability in the air prepressing process can be improved, and bubbles can be reduced.

The utility model provides a high-strength water pool filter element end cover, and relates to the technical field of filter element end covers. A set of second round holes are formed in the bottoms of the inner walls of the first mounting groove, movable columns are movably inserted into the inner surface walls of the second round holes, a top plate is fixedly mounted between the tops of the movable columns, and an extrusion plate is fixedly mounted between the bottoms of the movable columns. According to the utility model, a worker can easily inject glue into the reinforcing end cover through the one-way valve, the worker only needs to push the clamping block, so that the top plate can drive the movable column and the extrusion plate to descend, and the glue in the liquid storage cavity breaks through the sealing film under uniform pressure and quickly and uniformly flows to the contact surface of the reinforcing end cover and the filter element; compared with the prior art, time and energy of manual smearing are remarkably reduced, working efficiency is improved, meanwhile, the situation that the bonding quality is not high due to manual smearing is avoided, and the overall performance and sealing performance of the filter element are improved.