205results about How to "Increase contact time" patented technology

The application discloses a micro-bubble stripping device and application thereof in ammonia-nitrogen wastewater treatment. The device comprises a micro-bubble dispersion device, an absorption device and a gas-liquid separation device which are connected by pipelines in sequence. The micro-bubble dispersion device is filled with Janus hollow fiber membranes. The inner diameter of the Janus hollow fiber membranes is 0.1-2.0 mm, the wall thickness is 0.05-0.6 mm, the pore size is 0.05-2.0 um, the water contact angle of the hydrophilic layer is less than 65 DEG, and the water contact angle of the hydrophobic layer is greater than 110 DEG. Air is dispersed into micro-bubbles and contacted with ammonia-nitrogen wastewater. The micro-bubbles have the advantages of large specific surface area, high mass transfer efficiency and long gas-liquid contact time, so that the mass transfer of ammonia-nitrogen in water to gas phase is strengthened, the gas-liquid ratio is reduced, the energy consumption in the stripping process is reduced, and the equipment investment and operation cost in the stripping process are reduced.

This application relates to a cleaning structure for a range hood, including a main body with an air duct system. The air duct system includes a volute, a nozzle, an impeller, and a guide ring. The nozzle is mounted on the guide ring of the volute. A water pump and a gas generating device are installed on the back panel of the main body. The gas generating device has two electrodes. When the water pump operates, it draws liquid and delivers it to the inlet of the gas generating device. The two electrodes continuously generate hydrogen and oxygen, which dissolve in water to form nano-bubble water. The outlet of the gas generating device is connected to the nozzle, which has a spray pipe parallel to the impeller and with its outlet direction aligned with the center of the impeller. This solution, by generating nano-bubble water, immerses the impeller in liquid for an extended period, maximizing the cleaning effect of the nano-bubble water.

The present application relates to the technical field of catalyst regeneration, in particular to a gas-solid countercurrent enhanced stripping device for catalyst regeneration, comprising: a mounting frame and an inclined plate assembly. The inclined plate assembly is arranged inside the mounting frame, used for guiding the flow of catalyst particles and capable of prolonging the contact time of catalyst particles with water vapor. Further, when the catalyst particles impact the inclined plate assembly under the action of gravity, the inclined plate assembly can absorb kinetic energy through its elastic deformation, converting rigid collision into cushioned contact. Therefore, on the one hand, the impact force of the catalyst particles on the inclined plate assembly is reduced, which not only slows down the wear of the catalyst particles themselves, but also avoids the abrasion of the inclined plate assembly; on the other hand, the slight vibration induced by elastic deformation can disturb the flow state of the catalyst particles, promoting them to spread evenly on the inclined plate assembly, thereby improving the contact efficiency between the catalyst particles and water vapor and further improving the stripping efficiency.

The utility model discloses a liquid cooling plate which comprises an upper cover plate and a lower cover plate, and a main flow channel is formed between the upper cover plate and the lower cover plate; the water inlet nozzle is communicated with the water inlet of the main flow channel and is used for allowing a refrigerant to flow in; the water outlet nozzle is communicated with a water outlet, corresponding to the water inlet, of the main runner and is used for allowing a refrigerant to flow out; the heat exchange columns are arranged in the main flow channel, and the densities of the heat exchange columns in different areas in the main flow channel are different. According to the liquid cooling plate, the plurality of heat exchange columns are arranged, so that the structural strength of the liquid cooling plate can be enhanced, the contact area between a refrigerant and the flow channel wall can be increased, and the heat exchange efficiency is improved. Besides, the heat exchange columns with different densities are arranged in different areas, so that the flow distribution of the refrigerant in the flow channel can be optimized, the refrigerant is uniformly distributed, and the uniformity of the heat dissipation performance of the liquid cooling plate is improved.

This invention relates to the field of heat dissipation airflow mesh technology, and provides an airflow mesh for passive airflow cooling, including a pipe assembly, a clamping assembly, and an adjusting assembly. The pipe assembly includes a main pipe, a secondary pipe, an adjusting pipe, a vertical plate, and a horizontal plate. The clamping assembly, sleeved on the outer wall of the adjusting pipe, includes a fixed plate, a movable part, a rotating plate, and a support block. The adjusting assembly is located at one end of the main pipe and inside the main and secondary pipes, and includes a motor, a rotating shaft located at the output end of the motor, a drive bevel gear sleeved on the end of the rotating shaft away from the motor, a rotating part located on the end of the drive bevel gear away from the rotating shaft, and a spiral part sleeved on the rotating part. The function of the pipe assembly is to connect traditional heat dissipation pipes in sections, and through the combined effect of the septum effect and Bernoulli's principle, to compress the gaseous working fluid and release heat, which is conducted away through the metal thermally conductive material, thereby reducing the temperature of the airflow after it passes through by approximately 50 watts / m² / m / s.

The utility model discloses a batch rectifying tower dosing device of a rectifying tower, which belongs to the technical field of rectifying tower feeding and comprises a rectifying tower body, a storage tank is arranged on one side of the rectifying tower body, and a conveying pipeline is connected between the storage tank and the rectifying tower body. According to the rectifying tower, the thickness of raw materials entering the rectifying tower body is shared through the refining cavity, then the raw materials slowly flow down along the inner wall of the rectifying tower body through the flow dividing pipe, and in the process, the raw materials are separated from the rectifying tower body through the flow dividing pipe, so that the raw materials are separated from the rectifying tower body through the flow dividing pipe. According to the rectifying tower, large-area contact between raw materials and gas-phase or liquid-phase substances can be avoided, the contact time of the raw materials and the liquid-phase substances can be prolonged, the temperature of the raw materials cannot be greatly affected when the raw materials are preheated on the inner wall of the rectifying tower body and make contact with the liquid-phase substances, liquid medicine is evenly distributed, and the liquid medicine cannot be covered in the flowing process.

The utility model relates to the technical field of walnut processing, in particular to a walnut processing cleaning machine with a graded collection function, which comprises a cleaning box, a cleaning cylinder is fixedly connected to the upper part in the cleaning box, and a rolling scrubbing mechanism is arranged in the cleaning cylinder; the arc-shaped plate is arranged outside the bottom end of the cleaning cylinder, and an opening and closing mechanism is arranged between the arc-shaped plate and the cleaning box; a screening and filtering mechanism is arranged on the lower portion in the cleaning box. Rotational movement of the hollow roller is matched with mechanical brushing of the brush, so that walnuts continuously roll and move on the inner wall of the cleaning cylinder, the contact time of the walnuts and the cleaning mechanism is remarkably prolonged, and the problem that the cleaning time is insufficient due to the fact that the walnuts quickly pass through the cleaning box in the prior art is effectively solved. And the effect of removing silt and pectin in the gullies on the surfaces of the walnuts is greatly improved.

The utility model discloses an automatic smoke purifying and collecting device for metal processing and welding, which comprises a machine body, and a decomposition bin, an adsorption bin and a filtering bin which are uniformly arranged in the machine body through partition plates, and further comprises a smoke collecting component, the smoke collecting assembly comprises an L-shaped pipeline installed on the top of the machine body through a connecting base and a smoke sucking cover arranged at the bottom of one end of the L-shaped pipeline through a telescopic corrugated pipe. The filter box is arranged in the filter bin and below the exhaust hood; the adsorption box is arranged in the adsorption bin below the filtering bin; and the catalysis box is arranged in the decomposition bin below the adsorption bin. Through the arrangement of the L-shaped pipeline and the smoke sucking cover in the smoke collecting assembly, smoke generated in the welding process can be effectively sucked in, and diffusion of the smoke in the working environment is avoided. The servo motor drives the L-shaped pipeline to rotate, and flexible adjustment of the smoke suction hood is achieved through meshing of the driving gear and the gear ring.

The utility model discloses a kind of seed selection devices of agricultural seeding machine, including supporting leg, the supporting leg is fixedly connected with seed selection box, the inner wall of the seed selection box is fixedly connected with the fixed block of symmetrical division, the fixed block is slidably connected with connecting plate one, and the fixed frame is fixedly connected between two connecting plates one adjacent to left and right, the fixed frame is slidably connected with sliding frame, the sliding frame is inserted with sieve plate, the front side of the sliding frame is fixedly connected with two fixed plates, the fixed plate is slidably connected with sliding column, the sliding column is fixedly connected with wedge block, spring is fixedly connected between the wedge block and adjacent fixed plate, the both sides of the seed selection box are provided with through-hole, and the through-hole of the seed selection box is fixedly connected with inclined plate. By the way that sliding frame and sieve plate are set as inserted, sieve plate is conveniently taken out from sliding frame, and by wedge block limiting sieve plate, sieve plate and sliding frame are in relatively fixed state, and then the efficiency of replacing sieve plate is improved.

This utility model relates to a material cooling hopper for cooling high-temperature fertilizers. It includes a discharge port, a channel, and a feed port. The discharge port and feed port are fixedly connected to both ends of the channel, with the feed port located above the channel. The channel is inclined, and a lifting plate is rotatably connected to the inner wall of the channel. The lifting plate contacts the high-temperature fertilizer. Multiple nozzles are installed at the top of the inner cavity of the channel. This utility model uses nozzles inside the channel for air cooling of the fertilizer. The inclined channel extends the contact time between the fertilizer and the cooling gas, allowing for direct cooling. A traction component drives the lifting plate to rotate reciprocally inside the channel, lifting a portion of the fertilizer and ensuring sufficient contact between the fertilizer and the cooling gas, thereby achieving uniform cooling of the fertilizer.

The application discloses a kind of automatic zirconium powder coating machines of uniform brushing, including driving wheel and reduction motor, the driving wheel is connected with driving roller by belt drive structure, and driving roller is connected with the output end of reduction motor, the driving wheel and driven wheel are all installed in the inside of rack, the top of conveying belt is provided with induction mechanism.The automatic zirconium powder coating machine of uniform brushing, workpiece moves right in the process of moving and will be contacted with the bottom end of the paddle collision, the paddle will rotate with cylinder as center after being contacted, when its top end rotates and contacts the inductive head on inductive switch, inductive switch will control external water supply equipment to open and water is discharged to sponge roller through drip tube to wet it, control stepper motor to rotate, when stepper motor rotates, it will drive gear disc through rotating frame to push storage rod to rotate, so that it will discharge zirconium powder in zirconium powder box to the inside of material guide hopper, that is, to achieve the purpose of uniform and quantitative discharging, and then it is convenient to guarantee the uniformity of subsequent brushing.

This application relates to the technical field of formaldehyde treatment equipment and discloses an industrial formaldehyde production tail gas treatment device, including a mounting frame fixedly installed in the middle of the inner cavity of a spray tower. The inner cavity of the mounting frame is provided with several sets of spray components. Each spray component includes a support frame fixedly installed at the bottom of the inner cavity of the mounting frame, and a first guide element is movably sleeved inside the support frame. Simultaneously, a second guide element extending to the bottom of the support frame is movably sleeved inside the first guide element. In this industrial formaldehyde production tail gas treatment device, regarding the arrangement of the spray components and their structures, during the operation of the spray tower, as formaldehyde tail gas accumulates at the bottom of the inner cavity, the gas pressure of the formaldehyde tail gas at the bottom of the inner cavity increases accordingly, forcing the second guide element to move upwards. This allows the formaldehyde tail gas to enter the gap formed between the first guide element and the support frame, thereby effectively increasing the contact time between the formaldehyde tail gas and water.

This utility model relates to the field of vaporizer technology, specifically a heat exchange vaporization and pressure regulation integrated device, comprising: two frames, with uniformly distributed mounting plates fixedly connected to the inner side of each frame; a liquid inlet pipe at the bottom of one frame and a gas outlet pipe on one side of the frame; a heat exchange structure disposed between the two frames; and a pressure regulating structure disposed on one side of the heat exchange structure. By setting the heat exchange structure, the medium can flow in a spiral shape by setting guide fins inside the heat exchange tube, increasing the flow path and thus prolonging the contact time between the medium and the heat exchange tube, improving the heat absorption time of the medium. Simultaneously, by setting protrusions, the surface roughness of the guide fins can be increased, increasing the turbulence during the medium flow process, thereby improving the heat exchange effect.

The utility model discloses a waste gas absorption tower for acid regenerator unit, including spray tower body, the inlet pipe is installed to the spray tower body lower extreme, the liquid discharge pipe is installed to the spray tower body lower extreme, the liquid injection pipe is installed to the spray tower body upper extreme, the waste gas absorption mechanism is installed in the spray tower body, the waste gas absorption mechanism includes the filler layer, the draft tube, the drive frame. The utility model has the advantages that liquid can be sprinkled on the filler through the opening on the draft tube, thereby the contact time of gas and liquid can be increased, the spraying range of liquid can be increased by rotating the draft tube through the drive frame, the draft tube can also be moved, thereby the position of the opening on the draft tube can be changed, so that the liquid on the draft tube can fall on every position on the filler, thereby the liquid spraying can be more uniform, and the absorption efficiency of gas is improved.

This invention relates to the field of steam appliance technology and discloses a novel steam flow channel structure, comprising a closed cavity formed by assembling a base plate, a mounting frame, a cover plate, a frame, and a top plate. The closed cavity contains a flow channel for water flow and vaporization. At least one water-blocking rib is provided on the inner wall of the flow channel. This rib obstructs and impacts the water as it flows through, prolonging the water's residence time within the channel and promoting the refinement of water molecules. Through the inverted fish-scale-shaped water-blocking rib structure, as the water flows within the channel, it continuously collides with and rebounds against the ribs, slowing the water's forward speed and increasing the contact time between the water and the inner wall of the channel. Simultaneously, the hook-shaped structure causes secondary collisions between water molecules after initial impact, breaking large water molecule clusters into smaller clusters, making it easier for the water to absorb heat and complete vaporization, thus improving vaporization efficiency.

The utility model relates to the technical field of asphalt production, especially a kind of even heating device for polyurethane modified asphalt production, including, stirring bucket, for accommodating polyurethane modified asphalt;Agitating mechanism is set to the inside of stirring bucket, for stirring material, scrape the sidewall and bottom surface of stirring bucket;Conduction heating mechanism, it is around to set in the outside of stirring bucket, the inside of stirring bucket is heated by heat conduction oil conduction;And, radiation heating mechanism, the radiation heating mechanism is installed in the bottom of stirring bucket, the inside of stirring bucket is heated by infrared radiation, the utility model is guided to the heat conduction oil to be folded type path flow by folding type deflector, pass through turbulent disturbance and extend heat transfer path, so that heat is fully transferred, the heat transfer efficiency of heat conduction oil and stirring bucket wall is greatly improved, and the closed loop system of heat conduction oil furnace and circulating pump ensures that heat is continuously supplied and transported, so that heat transfer efficiency is greatly improved.

This utility model discloses a device for recovering heat from exhaust gas, relating to the field of exhaust gas recovery technology. It includes a heat recovery box, a fan installed on one side of the heat recovery box, a pretreatment mechanism installed at one end of the fan, and a heat recovery mechanism installed inside the heat recovery box. In this utility model, the fan operates to send exhaust gas into the heat recovery box from the feed pipe. Spiral heat exchange plates guide the incoming exhaust gas in a spiral motion, causing it to move upwards along the direction of the spiral heat exchange plates. A heat exchange medium is sent into the heat exchange tube through a second connecting pipe. The heat exchange medium flows inside the heat exchange tube and exchanges heat with the exhaust gas flowing outside. By extending the flow path between the exhaust gas and the heat exchange medium, the contact time is increased, allowing the coolant to better absorb heat from the exhaust gas, bringing the heat exchange closer to equilibrium and improving the efficiency of heat recovery from the exhaust gas.

The utility model discloses a sewage treatment device, including the main part, the upper portion of main part is provided with the apron, the upper surface of apron is provided with motor, the side of main part upper end is provided with liquid inlet cylinder, liquid inlet cylinder is fixedly connected with main part through the connecting ring, the upper end of liquid inlet cylinder is provided with the connecting pipe, the other side of main part upper end is provided with secondary liquid inlet pipe, the side of main part lower extreme is provided with the collecting pipe, the other side of main part lower extreme is provided with the drain pipe, and the front end face of main part is provided with neutralization liquid bin. The utility model's advantage lies in: utilize U type groove, reduce the flow rate of sewage, then utilize biological membrane, increased the contact time of sewage and biological membrane, improved the purification effect of biological membrane, utilizes the activated carbon adsorption stick of setting of U type groove both ends and the activated carbon adsorption net of setting below, can effectively absorb the peculiar smell of sewage generation and the harmful substance in sewage, improved the purification effect of device.

This utility model relates to the field of plant removal technology, and in particular to a highly efficient device for removing invasive alien plants. It includes a mounting base, a mounting frame fixed to the mounting base, a weed-removing component movably connected to the mounting frame, a gantry assembly fixedly mounted on the mounting frame, and a drive assembly mounted on the gantry assembly. The weed-removing component is mounted on the output end of the drive assembly, and a blade is mounted on the weed-removing component. The drive assembly drives the weed-removing component to rotate. As the blade rotates with the weed-removing component, it removes the roots of plants from the ground. The curved blade of this utility model generates a digging action as the cage rotates, which can penetrate deep into the soil surface to remove and sever the plant roots, solving the regeneration problem caused by traditional equipment only cutting the upper part of the plant. This results in more thorough removal. The power generated by the rotation of the weed-removing component drives the fan blades to rotate and deliver airflow, thus cleaning the weeds on the blades.

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.

The utility model relates to a screw rod hollow cooling device which comprises a screw rod. A cooling liquid conveying channel of a hollow structure is formed in the middle of the lead screw. A front-end access hole and a tail-end access hole are respectively formed in the front end and the rear end of the screw rod; the front end of the screw rod is connected with a motor; the motor is fixedly arranged on the motor base; the motor base is provided with a first cooling liquid connector communicated with the front end inlet and outlet hole. A first bearing is arranged between the lead screw and the motor base; the rear end of the screw rod is connected with a tail end seat; the tail end seat is provided with a second cooling liquid connector communicated with the rear end inlet and outlet hole. And a second bearing is arranged between the screw rod and the tail end seat. The screw rod has the beneficial effects that the plurality of front-end inlet / outlet holes / tail-end inlet / outlet holes are formed in the circumferential direction of the screw rod, so that the flowing speed of cooling liquid can be increased by utilizing the centrifugal force generated when the screw rod rotates, and the cooling effect is improved.

The utility model discloses a water-air intercooler capable of improving the heat dissipation effect, and belongs to the technical field of radiators. Comprising a heat dissipation core body which is provided with a plurality of gas channels and liquid channels which are arranged at intervals; the water inlet seal head and the water outlet seal head are arranged on the two sides of the heat dissipation core body respectively, the water inlet seal head is provided with a water inlet, the water outlet seal head is provided with a water outlet, and the two ends of the liquid channel are communicated with the water inlet and the water outlet respectively; and the fan cover is connected to the end face of the heat dissipation core body, an air guide channel is defined by the fan cover, and all the gas channels communicate with the air guide channel. The air guide channel is formed by arranging the fan cover and communicates with the gas channel, cooling air is effectively guided in a centralized mode, the problems that in a traditional structure, airflow distribution is uneven, and a heat dissipation blind area exists are solved, and the heat exchange efficiency is remarkably improved.

The utility model relates to the technical field of atmospheric desulfurization, and particularly discloses atmospheric desulfurization equipment. The desulfurization device comprises a treatment tank, an exhaust pipe fixedly mounted on the treatment tank, an air suction and supply fan for conveying air to be desulfurized into the treatment tank, a first desulfurization component arranged in the treatment tank, and a baffle fixedly mounted on the treatment tank. According to the atmospheric desulfurization equipment disclosed by the utility model, when air is subjected to desulfurization treatment, as the lower partition plate and the upper partition plate are arranged in an up-and-down staggered manner, air to be treated enters the desulfurization filler to be subjected to falling treatment, the contact time between the air and the desulfurization filler can be prolonged; air flows through an S-shaped channel formed between the second flow guide plate and the two first flow guide plates, so that the air is in multiple contact with the atomized desulfurization liquid, the retention time of the atmosphere in the treatment tank is prolonged, the desulfurization effect is improved, and harmful dust in the air is purified.

The utility model relates to the technical field of wine brewing equipment, and provides a rice husk steaming device which comprises a rack main body, a rice husk bin, a steam conveying pipeline, an exhaust pipeline and a pneumatic hammer pipeline, the chaff bin is arranged on the rack main body, a feed port is formed in the top of the chaff bin, a discharge port and a steam inlet are formed in the bottom of the chaff bin, and the steam conveying pipeline is connected with the steam inlet; the exhaust pipeline is communicated with the rice husk bin and is used for exhausting gas in the rice husk bin; the pneumatic hammer pipeline is arranged on the rack, and an air outlet of the pneumatic hammer pipeline is formed in the rice husk bin and is close to the discharging port. According to the utility model, the steam pipeline is arranged at the bottom of the rice husk bin, so that steam is used for steaming from bottom to top, the contact time of materials and the steam is prolonged, the whole rice husk bin is a closed environment, and the utilization rate of the steam is improved; and therefore, auxiliary scattering operation is realized by outputting pulse high-pressure gas during discharging, and the material is prevented from blocking a discharge port.

The invention discloses a staged cooling distillation tower, relates to the technical field of distillation equipment, and aims to solve the technical problem of poor condensation effect due to the adoption of a single or two-stage cooling structure in a conventional distillation tower cooling system. A pre-cooling system, a main cooling system and a rear cooling system are designed, and a cooling medium of 20-30 DEG C circulates in the pre-cooling system; the main cooling system serves as a core condensation unit and is matched with a low-temperature cooling medium of-10 DEG C to 0 DEG C, shock cooling of steam can be achieved within an extremely short time, a cooling agent of 10 DEG C to 20 DEG C of the post-cooling system is fully mixed with residual steam in a mist form, and secondary condensation is conducted on a trace amount of uncondensed steam. The three-stage cooling system disclosed by the invention forms a full-process condensation system of buffering, shock cooling and fine treatment through temperature gradient control, so that the condensation effect of the distillation tower is optimized, and products in steam are better separated.

This application relates to a wastewater flow limiting device and a drinking water purification device, applicable to the field of drinking water purification equipment. It includes a housing, a cover, and a scale inhibitor. The housing includes an inlet, an outlet, and a flow limiting orifice. The cover is connected to the housing and defines a purification flow channel between the cover and the housing, allowing the wastewater to contact the scale inhibitor. The purification flow channel connects the inlet and the outlet. The flow limiting orifice connects the outlet and the purification flow channel, and the flow cross-sectional area of ​​the flow limiting orifice is smaller than the flow cross-sectional area of ​​the purification flow channel. The scale inhibitor is filled within the purification flow channel. This application fills the purification flow channel with a scale inhibitor. When wastewater flows through, the scale inhibitor reacts with calcium, magnesium, and other easily scale-forming ions in the wastewater, preventing scale formation and improving the long-term stable operation of the device in complex water quality environments. This avoids flow control failure and frequent maintenance problems caused by scaling. The flow limiting orifice effectively prolongs the contact time between the water flow and the scale inhibitor, allowing for a more complete scale inhibition reaction and improving descaling efficiency.

This utility model relates to the field of automotive parts technology, specifically an automotive brake disc, including an outer disc body and an inner disc body disposed on the back of the outer disc body. A connecting member is disposed between the outer disc body and the inner disc body. The outer disc body has several first heat dissipation holes, which are connected to the interior of a heat dissipation cavity. This automotive brake disc, through the coordinated use of the outer disc body, inner disc body, heat dissipation cavity, connecting member, first heat dissipation holes, mounting part, mounting hole, and second heat dissipation holes, allows for rapid heat generation due to friction between the brake disc and brake pads during braking. The heat dissipation grooves, first heat dissipation holes, and second heat dissipation holes on the surfaces of the outer and inner disc bodies, with their unique structure and layout, guide air to form a complex airflow when the brake disc rotates, increasing the contact time and area between the air and the brake disc surface, significantly improving heat exchange efficiency and enhancing heat dissipation performance. Furthermore, the heat dissipation grooves increase the effective heat dissipation area of ​​the brake disc.

This utility model provides an organic waste gas treatment tower, including a vertical tower body and a tower top. The vertical tower body has an air inlet, and the tower top has an exhaust outlet. The bottom end of the exhaust outlet is connected to the top end of the vertical tower body. The vertical tower body contains an adsorption zone and a spray assembly. The spray assembly includes a drive mounting assembly, a spray pipe, a liquid receiving pipe, a first nozzle, and several nozzle groups. The spray pipe is vertically arranged and connected to the drive mounting assembly, which is connected to the vertical tower body. The liquid receiving pipe is located above the drive mounting assembly, with one end connected to the top end of the spray pipe and the other end connected to a purification liquid assembly located outside the vertical tower body. The first nozzle is located at the end of the spray pipe furthest from the liquid receiving pipe, and several nozzle groups are spaced apart at the end of the spray pipe furthest from the liquid receiving pipe. This invention solves the technical problem in the prior art where the spray scrubbing only sprays downwards, resulting in insufficient gas-liquid contact area and the existence of spray blind zones, allowing some waste gas to escape directly without treatment, thus leading to poor waste gas treatment effect.

The application discloses a kind of discrete series low distributed capacitance liquid cooling heat dissipation device and method, it belongs to electronic device heat dissipation technical field, heat dissipation device includes several heat dissipation units, the top of each heat dissipation unit is used to set power device, and two adjacent heat dissipation units are connected by cooling liquid pipeline;Each heat dissipation unit includes matrix and radiator, cooling liquid pipeline is through the inside of matrix, the top center of matrix is equipped with mounting hole, and mounting hole is equipped with radiator, and the lower half of radiator is inserted into the inside flow channel of cooling liquid pipeline, and the top of radiator is used to place power device.The application adopts discrete series heat dissipation unit structure, cooling liquid pipeline is through each unit matrix, and the lower half of radiator is inserted into the inside flow channel of pipeline, and each unit independently corresponds a power device.Solve the parasitic distributed capacitance problem caused by shared metal radiator, eliminate resonance loop, inhibit switching oscillation, reduce loss, ensure that heat dissipation is uniform and dynamic equalization, improve the stability and service life of high-voltage series module.

The utility model discloses a stainless steel welded pipe cooling device which comprises a bottom plate and a spraying assembly, the spraying assembly comprises an outer pipe, an inner pipe is arranged in the outer pipe, the two ends of the inner pipe and the two ends of the outer pipe are jointly and fixedly connected with an annular end plate, a water storage cavity is formed between the inner pipe and the outer pipe, and a supporting assembly is installed on the lower surface of the outer pipe. A cooling box and a pump body are fixed to the upper surface of the bottom plate, and a water pumping pipe and a first drainage pipe are fixed to a water inlet and a water outlet of the pump body respectively. According to the cooling device, the cooling box, the spraying assembly, the pump body and the cooling assembly are arranged, the stainless steel welded pipe penetrates through the interior of the spraying assembly after being welded, when water is supplied to the spraying assembly through the pump body, the water passes through the interior of the cooling box and is refrigerated by the cooling assembly, and the refrigerated water can more quickly cool the stainless steel welded pipe; and secondly, a plurality of spray heads of the spray assembly can spray and cool the surface of the stainless steel welded pipe from multiple angles, so that the contact time of cold water and the stainless steel welded pipe is longer, and the cooling effect is improved.