41results about How to "Extended flow time" patented technology

The invention relates to a water inlet separation net, a reverse osmosis membrane unit, a reverse osmosis membrane element, a filter element and a filter system in the technical field of reverse osmosis membranes. The reverse osmosis membrane unit comprises a water inlet separation net body and a reverse osmosis membrane attached to the reverse osmosis membrane element; the water inlet separation net body is provided with water blocking parts which are arranged at intervals and in a staggered mode in the extending direction of the water inlet separation net body, so that the water inlet separation net forms a water diversion flow channel which is continuously bent; and the distance between every two adjacent water blocking parts is reduced in sequence. The water diversion flow channel is designed to be bent, and the distance between every two adjacent water blocking parts is sequentially reduced, so that the flow speed of raw water is gradually increased, on the basis that the water diversion flow channel is designed to be relatively long, the flow speed of the raw water can be maintained to be gradually increased, the raw water spirally flows in the water diversion flow channel, and the flow area of the raw water is gradually reduced; the shear flow velocity of the concentrated water end is improved, and concentration polarization caused by poor water quality of the concentrated water end is weakened, so that the reverse osmosis membrane can more effectively resist pollution and blockage.

The invention provides a heat exchange plate based on multi-layer vortex turbulence and anti-channeling curved sealing, which belongs to the technical field of heat exchangers, and mainly comprises a uniform turbulence flow dispersing device, a uniform turbulence flow collecting device, a positioning flow guide device, a multi-layer vortex turbulence device consisting of spoilers and spoiler strips, and an anti-channeling curved sealing device consisting of sealing grooves and sealing strips. The heat exchanger is characterized in that multi-layer vortex and turbulence efficient heat exchange are achieved, movement is prevented, and multi-cutting-edge labyrinth sealing is achieved. Uniform turbulent flow diffusion of fluid is achieved through the uniform turbulent flow diffusion device, multi-layer vortex and turbulent flow movement of the fluid is achieved through the multi-layer vortex turbulence device, uniform turbulent flow gathering and collecting of the fluid are achieved through the uniform turbulent flow collecting device, and positioning of the heat exchange plates and flow guiding of the fluid are achieved through the positioning and flow guiding device. And the relative movement of the heat exchange plates is prevented and multi-cutting-edge labyrinth sealing is realized through the anti-channeling sealing device.

The invention discloses a combined lubricating oil blending device, and relates to the field of lubricating oil blending, the combined lubricating oil blending device comprises a blending barrel and a bottom table, the bottom table is connected with an oil inlet pipe for conveying lubricating oil, and the oil inlet pipe is connected to an oil storage space formed in the bottom table and conveys the lubricating oil through a conveying assembly; a stirring assembly is connected into each blending box, supports are fixedly connected to the two sides of the bottom table, a feeding hopper is inserted into the tops of the supports, a plurality of layering plates are fixedly connected to the inner side wall of the blending barrel, and the layering plates are jointly connected with a circular truncated cone coaxially connected with the blending barrel; every two adjacent layering plates, the circular truncated cone and the side wall of the blending barrel form a blending space. The lubricating oil blending device has the advantages that lubricating oil with additives in different proportions can be blended at the same time, uniform mixing of the lubricating oil and the additives is achieved during blending at the same time, the lubricating oil blending effect under different proportion conditions can be analyzed, and the proportion can be adjusted conveniently.

The invention relates to the technical field of carbon fiber spinning composite material production, and discloses a special production device for a carbon fiber spinning composite material, the special production device comprises a pre-oxidation furnace and a carbonization furnace, the pre-oxidation furnace is located on the horizontal left side of the carbonization furnace, and an unwinding roller is installed on the horizontal left side of the pre-oxidation furnace; a plurality of groups of polyacrylonitrile tows on the unwinding roller penetrate through the inner rotary drum seat to enter an oxidation chamber of the pre-oxidation furnace; and an inlet and an outlet are respectively formed in the middle positions of the left end surface and the right end surface of the carbonization furnace. According to the special production equipment for the carbon fiber spinning composite material, the pressure wheel on the anti-shrinkage structure makes contact with the lower end face of the polyacrylonitrile tow, the tension spring sequentially acts on the pressure wheel, the polyacrylonitrile tow is expanded, and therefore the shrinkage amount of the polyacrylonitrile tow is counteracted; meanwhile, the air outlet short pipes are evenly distributed on the two sides of the anti-shrinkage structure, direct air blown upwards directly acts on the lower end face of the polyacrylonitrile tow, and stretching and expansion of the linear polyacrylonitrile tow are assisted.

The utility model relates to power battery technical field, more particularly, relate to a kind of liquid cooling plate, liquid cooling assembly and battery module.The both ends of the liquid cooling plate are formed with water inlet and water outlet respectively;The liquid cooling plate is provided with energy-absorbing part and flow passage part;Flow passage part includes first flow channel, second flow channel and third flow channel;One end of first flow channel is communicated with water inlet;One end of second flow channel is communicated with water outlet;Two ends of third flow channel are respectively communicated with the other end of first flow channel and the other end of second flow channel;Wherein, energy-absorbing part is between first flow channel and second flow channel;First flow channel, second flow channel and third flow channel all extend along the length direction of liquid cooling plate, and first flow channel, second flow channel and third flow channel are all spaced from energy-absorbing part.The liquid cooling plate can improve cooling efficiency.

A small to medium-sized incinerator includes an incinerator body, a feeding port, and a secondary combustion chamber. The lower end of the incinerator body is fixedly connected to a balance frame, and a blower is fixedly connected to the lower part of the incinerator body. The blower's air supply pipe is fixedly connected to a gas distribution pipe. In operation, waste is first fed into the feeding port and then slides down the inclined surface of the fixed grate. It sequentially passes through a dehydration and drying zone, a dry distillation zone, and a combustion zone within the primary combustion chamber. The final incinerated filter residue is transported outside the furnace body via a slag discharge system, which can be achieved using an electric conveyor belt. The flue gas inside the primary combustion chamber enters the secondary combustion chamber through the flue gas outlet for secondary combustion. Utilizing a fixed-bed incinerator structure, during normal operation, apart from necessary air input, there is no additional agitation of the waste, thus reducing fly ash generation.

This invention discloses a dehumidification device for a distribution box, belonging to the technical field of distribution box technology. The dehumidification device for a distribution box includes a box body and a door hinged to the box body. The box body has an air inlet and an air outlet. A mounting bracket is installed inside the air inlet, and a drive motor is installed inside the mounting bracket. The output end of the drive motor is connected to a drive shaft, and a fan blade is installed on the drive shaft. A support plate is fixedly connected to the inner wall of the box body. A recessed hole is opened in the middle of the support plate, and a dehumidification box is slidably mounted on the support plate. A drive assembly for driving the displacement of the dehumidification box is installed on the drive shaft. An air inlet shell is provided at the air inlet, and an insulation shell is fitted outside the air inlet shell. An air outlet is opened on the insulation shell. This invention facilitates the thorough drying of humid air entering the box from the outside, preventing cold air from entering the box and coming into contact with high-temperature electrical components. Excessive temperature difference can lead to condensation and damage to electrical components.

The utility model discloses a gouging cutting cooling device with an auxiliary cooling structure, and relates to the technical field of gouging cutting. A supporting frame is fixedly installed at the bottom of the workbench, a containing plate is fixedly connected to the inner side of the supporting frame, a treatment box is fixedly installed at the top of the containing plate, a controller is fixedly connected to one end of the treatment box, a guiding frame is fixedly installed at the top of the treatment box and fixedly connected with the bottom surface of the workbench, and a water guiding groove is formed in the top of the workbench. The water guide groove is communicated with the interior of the guide frame, and a filter plate is fixedly mounted in the treatment box. According to the water cooling device, the motor drives the rotating rod and the stirring plate to rotate, water obtained after air gouging cutting riser cooling is completed is stirred, meanwhile, the fan can guide cold air and blow the cold air to the surface of the water to cool the water, the flowing time of the water can be prolonged through the guide part, and then the water cooling effect is improved to a certain degree.

The utility model relates to the technical field of heaters, in particular to an efficient heater which comprises a barrel body, a heat conduction inner container is arranged in the barrel body, first electric heating wires are embedded in the heat conduction inner container at equal intervals, an arc-shaped groove is formed in the portion, located between the first electric heating wires, of the heat conduction inner container, and a coil pipe is arranged in the arc-shaped groove. A heat conduction column is fixed to the inner bottom, located in the coil pipe, of the heat conduction inner container through bolts, and second electric heating wires are fixed to the interior of the heat conduction column at equal intervals through bolts; the heat conduction inner container heats a medium in the coil pipe from the outer side of the coil pipe, the heat conduction column heats the medium in the coil pipe from the inner side of the coil pipe, and the coil pipe is arranged, so that the flowing time of the medium in the heat conduction inner container can be prolonged, the medium can be fully heated, and the heating efficiency is high.

The utility model relates to the technical field of plastic production equipment, in particular to a water cooling device for plastic particle production, which comprises a bottom plate, a water cooling tank arranged at the top of the bottom plate, a water replenishing tank fixedly connected to the front surface of the water cooling tank, a heat dissipation tank fixedly connected to one side of the water cooling tank, and a dispersion component arranged in the water cooling tank, the dispersing assembly comprises a feeding pipe, a motor is arranged in the water cooling box, inclined plates are fixedly connected to the two sides of the inner wall of the water cooling box, and a trapezoidal plate is fixedly connected to one side of the inner wall of the water cooling box; the problems that when part of existing water cooling equipment cools the plastic particles, the plastic particles stay in the water cooling equipment for a short time, so that the cooling water cannot cool the plastic particles with the high temperature, the cooling effect of the plastic particles is reduced, and the machining cost is increased are solved.

This invention discloses a multi-stage pressure-reducing regulating valve, relating to the field of pressure-reducing valve technology. The regulating valve includes a valve body, a multi-stage sleeve, an elastic pressure-reducing component, a valve seat, and a valve core. During operation, liquid enters the valve body. By manually rotating the valve core, the flow channel on the valve seat is opened. After the liquid passes through the flow channel, it undergoes multi-stage pressure reduction by the multi-stage sleeve. If the liquid pressure exceeds a set threshold, the liquid exerts an upward thrust on the elastic pressure-reducing component, causing the elastic pressure-reducing component to separate from the multi-stage sleeve. This increases the liquid flow area while simultaneously reducing pressure in multiple stages, thereby further achieving the pressure reduction effect. When the inlet pressure returns to normal, the elastic pressure-reducing component resets downward under its own elastic force, re-fitting tightly with the multi-stage sleeve and restoring the original multi-stage pressure-reducing channel structure. This invention achieves multi-stage pressure reduction through the cooperation of the multi-stage sleeve and the elastic pressure-reducing component.

This invention discloses a multi-stage double-sided filter cloth reoxygenation disc biological contact oxidation tower, comprising double-sided filter cloth reoxygenation discs, an inlet pipe, and a support frame. The double-sided filter cloth reoxygenation discs are arranged at intervals from top to bottom on the support frame. Each double-sided filter cloth reoxygenation disc includes a disc body, the outer surface of which is covered with filter cloth. Water passage holes are formed at the bottom of the disc body. The water passage holes of the previous double-sided filter cloth reoxygenation disc are staggered with those of the next. The inlet pipe is located above the double-sided filter cloth reoxygenation discs at the top of the support frame and away from the water passage holes. A water receiving tray is placed at the bottom of the support frame, and an outlet pipe is connected to one side of the water receiving tray. This invention utilizes the double-sided filter cloth to increase the gas-liquid contact area, disperses water into small droplets through the water passage holes, and extends the gas-liquid contact time through a multi-stage staggered arrangement. It achieves efficient reoxygenation and pollutant degradation without external aeration, and has the advantages of simple structure, low energy consumption, and convenient maintenance.

The utility model relates to a stator core, a stator assembly and a motor. The stator core comprises two first lamination groups and a second lamination group arranged between the two first lamination groups; each first lamination group is provided with a plurality of outflow channels; the second lamination group is provided with a plurality of groups of flow inlet structures, each group of flow inlet structure comprises a radial flow inlet and at least three flow inlet channels, and each flow inlet channel terminates at the yoke part of the second lamination group; each inflow channel includes a first outlet in fluid communication with a corresponding outflow channel in one of the first stack and a second outlet in fluid communication with a corresponding outflow channel in the other first stack. By adopting the stator iron core provided by the utility model, not only is the production cost reduced by omitting an oil ring structure, but also the cooling efficiency of the stator component is improved through the effective design of the inflow channel and the outflow channel.

The utility model discloses a landfill leachate circulating treatment device, which comprises a water tank, a water inlet pipe, a water outlet pipe, a water outlet pipe and a water outlet pipe, wherein the water tank is used for containing landfill leachate and realizing water circulation through a water pump and a pipeline; the photocatalysis unit is arranged in a water circulation pipeline; the catalytic unit comprises a foamed ceramic carrier loaded with photocatalytic active components and an ultraviolet LED light source, the foamed ceramic carrier is arranged in the water storage disc, and the foamed ceramic carrier soaked in the landfill leachate is irradiated by the ultraviolet LED light source to be purified. According to the landfill leachate circulating treatment device, the concentration of organic matters in leachate is effectively degraded through the landfill leachate circulating treatment device according to the photocatalysis principle, the performance is stable, and COD and BOD in water can be efficiently degraded.

The utility model discloses an efficient dust-fall circulating hot blast stove device which comprises a heating chamber and a combustion chamber, air inlets and air outlets are fixedly connected to the two sides of the heating chamber, the combustion chamber is fixedly connected to one side of the top end of the heating chamber, and a traction structure is fixedly connected to one side of the interior of the heating chamber. The traction structure comprises a supporting frame, a guide air plate, a rotating frame, a connecting rod, a push-pull frame, a push-pull rod, a rotating disc and a motor assembly, a cloth bag dust removal assembly is fixedly connected to the middle position in the heating chamber, an auxiliary structure is fixedly connected to the other side in the heating chamber, a combustion furnace is wrapped in the combustion chamber, and a waste gas exhaust port penetrates through the top end of the combustion chamber. And one side of the combustion chamber is fixedly connected with a combustor. Under the driving of the motor assembly, the rotating disc drives the push-pull rod to rotate, and the connecting rod drives the rotating frames to repeatedly rotate by 180 degrees under the action of the push-pull frames, so that the air guide plates circularly rotate, and flowing air is guided.

The utility model relates to the field of oil station cooling equipment, in particular to a lubricating oil station cooling device convenient to adjust, which comprises a cooling pipe for cooling lubricating oil, a plurality of groups of cooling fins are arranged in the cooling pipe, and the plurality of groups of cooling fins are arranged in the cooling pipe in a sliding manner. According to the cooling oil tank, the mounting positions and the number of the cooling fins in the cooling oil tank can be conveniently adjusted according to the specific operation condition, then the adaptability of the cooling oil tank is effectively improved, and the cooling oil tank is more convenient to use.

The invention discloses a heat dissipation assembly and a semiconductor laser assembly, the heat dissipation assembly comprises a first cover body, a second cover body and a plurality of heat dissipation plates, and the first cover body is used for being connected with an electronic component and performing heat transfer for the electronic component; the multiple heat dissipation plates are arranged between the first cover body and the second cover body in a stacked mode, and the multiple heat dissipation plates are spaced from one another in the stacking direction; the heat dissipation assembly further comprises an inflow channel, an outflow channel and a cooling channel, the inflow channel and the outflow channel penetrate through the second cover body and / or the heat dissipation plates so that cooling liquid can flow, the cooling channel is connected with the inflow channel and the outflow channel, and the cooling channel comprises a plurality of through holes penetrating through the heat dissipation plates. The through holes of the adjacent heat dissipation plates are arranged in a staggered mode. The heat dissipation assembly and the semiconductor laser assembly are used for enhancing the heat dissipation effect of the heat dissipation assembly.

The utility model relates to an asphalt test waste gas emission mechanism which comprises a box body and an exhaust pipe, an emission processing mechanism is arranged in the exhaust pipe, a cooling auxiliary assembly is arranged in the exhaust pipe, the emission processing mechanism comprises the exhaust pipe fixedly connected with the top of the box body, an exhaust fan is fixedly connected with the interior of the exhaust pipe, and the exhaust fan is fixedly connected with the top of the box body. And a dust collecting assembly located on the left side of the exhaust fan is arranged in the exhaust pipe and comprises a filter screen fixedly connected to the interior of the exhaust pipe, a fixing frame corresponding to the filter screen in position is fixedly connected to the bottom of the exhaust pipe, and a material collecting box is slidably connected to the interior of the fixing frame. According to the asphalt test waste gas emission mechanism, smoke particles in waste gas can be treated, harmful gas can also be treated, pollution of the waste gas to the environment can be further reduced, the practicability of the device is improved, in addition, the waste gas can be cooled, and the situation that the adsorption effect of activated carbon blocks is weakened due to high temperature is avoided.

The utility model relates to the technical field of material production equipment, in particular to a solid-liquid separation device for zinc ferrite high-grade soft magnetic material production. The solid-liquid separation device for zinc ferrite high-grade soft magnetic material production comprises a base, a feeding pipe, a shell, an inclined plate, a second motor, an auger, a connecting frame, an electromagnet, a filter plate and a controller, guide rods are symmetrically connected to the two sides of the top of the base, and the shell is slidably connected between the four guide rods; the middle of the top of the shell is connected and communicated with a feeding pipe, and the upper side in the shell is connected with three inclined plates arranged in an inclined mode. Through the three inclined plates which are staggered and inclined and provided with the water leakage holes, the slurry flowing time is prolonged, liquid can be rapidly and preliminarily separated from solid through the holes, liquid residues are avoided, electromagnet adsorption and auger extrusion are matched, the problem that separation is not thorough is thoroughly solved, the solid-liquid separation degree is remarkably improved, and a guarantee is provided for production of high-quality zinc ferrite materials.

The utility model discloses a kind of constant temperature device of gravure press ink, it is related to printing technical field, including the cooling assembly for communicating ink groove and ink storage tank, cooling assembly is used to carry out cooling treatment to the ink conveyed between both;The cooling assembly includes the cylinder with built-in cooling pipeline, cooling pipeline is used to generate cooling environment atmosphere inside cylinder, cylinder is connected with ink groove, ink storage tank respectively, to make the ink by ink storage tank into cylinder is cooled and is discharged to ink groove with cooling.This utility model connects ink groove and ink storage tank by cooling assembly, realizes the active cooling treatment to ink, this design not only can replace original conveying pipeline to ink groove play the function of feeding, and it has the cooling function to ink, can effectively control ink temperature, prevent viscosity change or printing quality problem caused by ink overheating, to ensure the stability and consistency of printing process.

This invention provides a multifunctional bipolar membrane electrodialysis device, belonging to the technical field of electrodialysis separation equipment. The multifunctional bipolar membrane electrodialysis device includes a working chamber, a stacked membrane assembly, a brine storage tank, an acid storage tank, an alkali storage tank, an electrode liquid storage tank, and four peristaltic pumps. The four peristaltic pumps are fixed inside the working chamber, and the stacked membrane assembly is fixed at the front end of the working chamber. The left electrode chamber frame plate, acid chamber frame plate, brine chamber frame plate, alkali chamber frame plate, and right electrode chamber frame plate are all square flat plates with flow channels formed between the inlet and outlet channels. The flow channels contain horizontally staggered guide plates, each with a row of serrations on its lower surface. The horizontally staggered guide plates combined with the serrated flow disturbance structure in the flow channels force solution agitation and diffusion, prolonging the flow time of the solution within the flow channels, covering the entire membrane surface, eliminating dead zones and short-circuit flow, and significantly improving ion migration efficiency and current efficiency.

The utility model belongs to molecular sieve drier activation regeneration technical field, concretely is a kind of molecular sieve drier activation regeneration device, including regeneration box, the inner wall of regeneration box is fixedly connected with two bearing plates, the inside of regeneration box is provided with moving frame, the lower surface of moving frame is in conformance with the upper surface of bearing plate, the inside of moving frame is provided with stainless steel screen box, the lateral wall of regeneration box is fixedly connected with preheating box, the lateral wall of regeneration box is fixedly connected with first tail gas discharge pipe, the end of first tail gas discharge pipe away from regeneration box is fixedly connected in the lateral wall of preheating box, the lateral wall of preheating box is fixedly connected with first air inlet pipe. The utility model structure is reasonable, and the inner partition of preheating box is cooperated with preheating pipe, prolongs the path of tail gas, realizes the preheating of inert gas by sufficient heat exchange, reduces the heat consumption of regeneration box, reduces heating ring energy consumption, improves energy circulation efficiency, more energy-saving.

The application discloses a hybrid vehicle catalyst and a heating method and system thereof. The heating method comprises the following steps: when the engine is cold started, a battery power signal of the hybrid vehicle is acquired, and it is determined whether the battery power is greater than a first threshold value; if the battery power is greater than the first threshold value, the catalyst is heated by using an electric heating mode until the catalyst temperature is greater than an ignition temperature and / or the battery power is less than or equal to the first threshold value; if the battery power is less than or equal to the first threshold value, it is determined whether the battery power is greater than a second threshold value; if the battery power is greater than the second threshold value, the catalyst is heated by using a motor coolant heating mode until the battery power is less than or equal to the second threshold value; and if the battery power is less than or equal to the second threshold value, the catalyst is heated by using an engine exhaust heating mode until the catalyst temperature is greater than the ignition temperature. The application can quickly heat the catalyst, reduce pollutant emission, and fully utilize the motor coolant, thereby avoiding energy waste.

The invention relates to the technical field of waste gas treatment, in particular to a VOCS organic waste gas purification system which comprises a pretreatment box, a combustion box, a spraying box, a photolysis box and a condensation box, an access pipe is arranged in the pretreatment box in a sleeved mode, a purification cover is arranged outside the access pipe in a sleeved mode, a preheating cover is arranged outside the purification cover in a sleeved mode, and a combustion engine is fixedly installed at the top of the combustion box. Spoilers are installed in the combustion box in a staggered mode, fixing pipes fixedly sleeve the four corners of the spraying box, the bottoms of the fixing pipes are fixedly connected with moving pipes through hoses, two-way spraying pipes are fixedly installed on the two sides of the moving pipes, a UV lamp tube is installed in the photolysis box, and a condensation pipe is arranged in the condensation box; the VOCs organic waste gas purification system has the beneficial effects that the VOCs organic waste gas purification system is reasonable in structural design, spraying, UV photolysis, condensation and adsorption are ingeniously connected in series into a whole, the advantages and disadvantages of various treatment modes are complemented, the VOCs organic waste gas is subjected to multi-stage purification, the purification effect is greatly improved, and the application range is wide.

The utility model discloses a kind of high-efficiency waste gas washing devices, belong to waste gas treatment equipment, including tower body, water tank and water distribution system, the sidewall on the bottom of tower body is connected with air inlet pipe, the bottom of tower body is connected with smoke outlet, water distribution system includes water distribution main pipe and multiple water distribution branch pipes connected on water distribution main pipe, water distribution main pipe is connected with water distribution pipe that extends into water tank, water distribution branch pipe is connected with shower head and inserts into tower body, flow guide vane is equipped between water distribution branch pipe and air inlet pipe in tower body, the part between water distribution branch pipe and flow guide vane in tower body forms spray space, flow guide vane is wave-shaped structure, flow guide vane has multiple and sequentially arranged along horizontal direction, the space between every adjacent two flow guide vanes constitutes the flow guide channel that passes through up and down. The high-efficiency waste gas washing device of the utility model, by setting flow guide vane in tower, extend the flow time of waste gas and in tower, ensure that waste gas and washing liquid contact fully, and washing efficiency is high.

The utility model relates to the field of speed reducer heat dissipation, and discloses a speed reducer heat dissipation assembly which comprises a speed reducer body and a heat dissipation cover, the speed reducer body is fixedly sleeved with the heat dissipation cover, a first arc-shaped heat conduction plate is fixedly installed on the inner wall of the bottom of the heat dissipation cover, and a second arc-shaped heat conduction plate is fixedly installed on the inner wall of the left side of the heat dissipation cover; a third arc-shaped heat conduction plate is fixedly installed on the inner wall of the top of the heat dissipation cover, a fourth arc-shaped heat conduction plate is fixedly installed on the inner wall of the right side of the heat dissipation cover, and the first arc-shaped heat conduction plate, the second arc-shaped heat conduction plate, the third arc-shaped heat conduction plate and the fourth arc-shaped heat conduction plate are all of hollow structures. The first arc-shaped heat conduction plate, the second arc-shaped heat conduction plate, the third arc-shaped heat conduction plate and the fourth arc-shaped heat conduction plate make contact with the outer wall of the speed reducer body. The speed reducer has the following advantages and effects that effective heat dissipation of the speed reducer body can be achieved under the joint cooperation effect of the two modes of heat transfer heat dissipation and water cooling heat dissipation.

The embodiments of the present application relate to the field of battery technology, and specifically disclose a battery pack and an electrical device, wherein the battery pack includes: a box body having a receiving cavity; a plurality of single cells arranged in the receiving cavity; a box cover arranged on one side of the box body in the second direction; and a first liquid cooling part arranged in the receiving cavity, and the first liquid cooling part is arranged opposite to the single cells. According to the present application, it is limited to the second direction, and along the direction of the first partition toward the first side wall, the distance between each second partition and the first end wall is reduced to reduce the flow resistance of the coolant in the first liquid cooling channel, thereby reducing the pressure drop of the coolant on the side of the first liquid cooling part close to the first end wall, so as to reduce the flow rate of the coolant in the first liquid cooling channel, prolong the flow time of the coolant in the first liquid cooling channel, improve the heat dissipation effect of the first liquid cooling part, and finally improve the safety performance of the battery pack.

The invention relates to the technical field of pump station oil cylinder maintenance equipment, and particularly discloses large pump station lower oil cylinder multi-path parallel water supply cooling equipment which comprises a mounting plate, a top cover is fixedly connected to the upper surface of the middle of the mounting plate through bolts, and a supporting frame is fixedly connected to the lower surface of the edge of the mounting plate. The bottom face of the top cover is arranged to be in a groove shape, the upper surface of the middle of the mounting plate is arranged to be in a penetrating shape, and the bottom face of the mounting plate is fixedly connected with a separation cover in a buckled mode. According to the steam turbine oil heat absorption device, the multiple sets of first heat dissipation pipes and second heat dissipation pipes are arranged, cooling water is refined and conveyed after entering the separation cover, and therefore the heat absorption effect on steam turbine oil is greatly improved; in this way, the flowing time of cooling water in the first heat dissipation pipe and the second heat dissipation pipe can be greatly prolonged in the same space, then the heat absorption time of steam turbine oil is greatly prolonged, and the cooling effect is further improved.

The utility model relates to the technical field of batteries, and discloses a battery and a power utilization device, and the battery comprises a box body, an outer cover plate, a battery cell group, an inner cover plate and a pressure relief piece. The battery cell groups are arranged in the accommodating cavity along the second direction, each battery cell group comprises a plurality of battery cells arranged along the first direction, and each battery cell is provided with an anti-explosion valve; the inner cover plate is arranged in the accommodating cavity and is connected with one surface, facing the battery cell group, of the outer cover plate, the inner cover plate comprises a plurality of first pressure relief parts extending along the first direction, and the first pressure relief parts are arranged in the accommodating cavity along the second direction; a first pressure relief channel is arranged between each first pressure relief part and the outer cover plate, and the anti-explosion valve of each battery cell is arranged on one surface, opposite to the first pressure relief part, of the battery cell; and a plurality of first pressure relief holes sealed by pressure relief pieces are formed in the positions, opposite to the anti-explosion valve, of the first pressure relief parts. Diffusion of high-pressure gas and eruptions in the battery can be reduced, and the risk of thermal runaway propagation is reduced.

The present invention provides an injection mold that is easy to demold, belonging to the technical field of injection molds. The invention comprises a fixed mold base, a movable mold base and a mounting plate installed at the bottom of the fixed mold base, and also comprises: a gradient cooling component and a magnetic sealing component; the mold creates a stepped cooling environment at the fixed mold core and the movable mold core by integrating the gradient cooling component and the magnetic sealing component, thereby meeting the cooling requirements of different parts of the injection molded parts and improving the quality of the injection molded parts; when the mold is not closed, the ball plug tightly seals the liquid guide tube, effectively preventing the entry of dust or water vapor from the outside, and at the same time helping to create a stepped cooling environment; the magnetic sealing component can realize dynamic sealing between the liquid guide tube and the liquid guide port during the process of mold closing and separation, and when the mold is closed, it prevents the coolant from flowing through the gap; when the mold is separated, the airbag gradually deflates and returns to an unsaturated state, which is convenient for the withdrawal of the liquid guide tube, while reducing the friction and the wear of the airbag.