121results about How to "Extended flow path" patented technology

The invention discloses a micro-channel reactor and micro-channel reaction equipment, the micro-channel reactor comprises a reaction plate, a support transition plate and a heat exchange plate which are connected in a laminated manner, grooves are processed in the reaction plate to form micro-reaction channels, grooves are processed in the heat exchange plate to form heat exchange channels, and the support transition plate is separated between the reaction plate and the heat exchange plate; the micro-reaction channel comprises at least two micro-channel units and a middle flow channel connected with the adjacent micro-channel units, each micro-channel unit comprises a flow channel inlet, a flow channel outlet and a heart-shaped mixing cavity, an arc-shaped flow baffle and at least one turbulent flow column are arranged in the heart-shaped mixing cavity, the concave side of the arc-shaped flow baffle faces the flow channel inlet, and the convex side of the arc-shaped flow baffle faces the turbulent flow column. And the turbulent flow column is arranged between the arc-shaped flow baffle and the flow channel outlet. Through cooperation of the heart-shaped mixing cavity, the arc-shaped flow baffles and the turbulent flow columns, the particle suspension rate and the mass transfer capacity of the micro-reaction channel are effectively improved, then the reaction efficiency is improved, and the device can be used for achieving continuous preparation of nano-drugs.

This utility model relates to the field of pipeline technology, specifically to a compressor venting and noise reduction pipeline and its noise reduction system. The compressor venting and noise reduction pipeline includes: an exhaust pipeline, a bend downstream of the exhaust pipeline, a branch pipeline downstream of the bend, an output pipeline downstream of the branch pipeline, and a silencer downstream of the output pipeline. The silencer includes a spiral flow guiding device. This utility model reduces the velocity of the medium flow by using the bend, branch pipeline, and silencer, consuming part of the kinetic energy of the medium flow, thereby reducing the noise generated by the medium colliding with the pipe wall during discharge and reducing the safety risks to on-site personnel.

The utility model relates to the technical field of plastic particle processing, in particular to a drying device for a plastic granulator, which comprises a drying box, and a conveying mechanism and a shifting mechanism are mounted in the drying box. A plurality of fixing rods are arranged in the water mechanism, so that plastic particles falling on water filtering plates are dispersed, the plastic particles are prevented from being gathered, the plastic particles make full contact with the water filtering plates for dehydration, and under the action of the two water filtering plates, the flowing path of the plastic particles in the vibration water removal process is prolonged; meanwhile, plastic particles on a water filtering plate are prevented from directly sliding into the drying box, it is guaranteed that the plastic particles are fully vibrated, meanwhile, under the action of a guide plate and two pieces of absorbent cotton, the plastic particles subjected to vibration water removal are wiped again and then guided into the drying box, water retention on the surfaces of the plastic particles is avoided, and the drying effect is improved. And therefore, water on the surfaces of the plastic particles fully falls off, and the drying uniformity and drying efficiency of the plastic particles are improved.

The utility model discloses a perpendicular flow maze grid oil storage formula oil -water separation tank relates to oil -water separation technical field, including container, a plurality of baffle, oil collecting groove and water collecting tank, and the inside of container is equipped with the cavity, a plurality of baffle vertical setting in the cavity, and a plurality of baffle divide the cavity and separate the liquid inlet area, several separation zones and water outlet area that communicate in turn, and liquid can turn back and flow through liquid inlet area, separation zone and water outlet area, and the bottom of separation zone and water outlet area communicates, oil collecting groove sets up in the upper portion of separation zone, and overflow communication between oil collecting groove and separation zone, water collecting tank sets up in the upper portion of water outlet area, and overflow communication between water collecting tank and water outlet area, wherein, the overflow liquid level between oil collecting groove and separation zone is higher than the overflow liquid level between water collecting tank and water outlet area, the perpendicular flow maze grid oil storage formula oil -water separation tank of the utility model can improve the separation effect of oil -water mixture, and the separated grease is difficult to mix with waste water again.

The invention discloses a residual gas treatment device of a hydrogen peroxide sterilizer, and relates to the technical field of gas treatment devices.The residual gas treatment device is technically characterized by comprising a treatment shell, a gas inlet pipe is fixedly connected to one side of the treatment shell, an exhaust pipe is fixedly connected to the upper end of the treatment shell, and a filtering assembly is arranged on one side of the gas inlet pipe; a plurality of catalyst plates distributed in a crossed mode are fixedly connected to the inner wall of the treatment shell, a preheating assembly is fixedly connected to the outer side wall of the treatment shell, the filtering assembly comprises a filtering box, a filtering net is installed on the inner wall of the frame, and a baffle is fixedly connected to one side of the filtering net; a cleaning assembly is arranged on the inner wall of the filter box and located on one side of the filter screen. Residual gas entering the treatment shell is preliminarily filtered through the filtering assembly, impurities such as solid particles in the gas can be effectively intercepted, pore channel blockage and active site loss caused by the fact that the impurities make contact with the catalyst plate are avoided, and it is ensured that the catalyst plate is always kept in an efficient catalysis state.

This invention relates to the field of waste gas treatment technology, and discloses a centralized waste gas purification device and process for industrial smelting production. The centralized waste gas purification device for industrial smelting production includes a settling chamber shell. A rectangular frame is arranged above the dust collection hopper of the settling chamber shell. Multiple dust collection plates are horizontally and linearly distributed at equal intervals within the rectangular frame. A movable plate is arranged between adjacent dust collection plates. Multiple air guides are vertically arranged at equal intervals on both sides of the movable plate. Driving components are installed on both sides of the settling chamber shell. The inclined air guides forcibly change the airflow direction and extend the flow path. On the one hand, this increases the residence time of particles, which is beneficial for large particles to escape the airflow and fall into the dust collection hopper. On the other hand, it drives small dust particles to move to the vicinity of the dust collection plates, where the electret material of the dust collection plates can adsorb the small dust particles.

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.

The utility model relates to the technical field of automatic cooling liquid circulators, in particular to an automatic cooling liquid circulator capable of distributing inlet liquid, which comprises a support frame, a controller, a cooling mechanism and a water pump, one side of the supporting frame is connected with a controller through bolts, the inner wall of the supporting frame is connected with a cooling mechanism, the cooling mechanism is connected with a water pump, the water outlet end of the water pump is connected with a first temperature measuring valve, the first temperature measuring valve is connected to the inner wall of the supporting frame in a penetrating mode, and an air cooler is arranged above the water pump. The back of the supporting frame is connected with a filtering mechanism. According to the automatic cooling liquid circulator capable of feeding and shunting, the cooling liquid is shunted through the three sets of heat preservation boxes, the flowing paths of the cooling liquid in the heat preservation boxes are increased through the temperature conduction pieces, the back of the semiconductor chilling plate is refrigerated, the cooling liquid passing through the heat preservation boxes is cooled, then the cooling liquid is subjected to parallel flow through the parallel flow pipe, and then feeding and shunting of the automatic cooling liquid circulator are achieved.

The application discloses a liquid metal bearing for an X-ray tube and the X-ray tube, relates to the technical field of X-ray tubes, and solves the technical problems of short service life and poor heat dissipation effect of the bearing. The liquid metal supporting bearing comprises a bearing sleeve, a mandrel, liquid metal and a microporous structure; the bearing sleeve is sleeved outside the mandrel, and a gap is arranged between the bearing sleeve and the mandrel; the liquid metal is filled in the gap; the microporous structure is arranged on the inner surfaces opposite to each other of the bearing sleeve and the mandrel and / or the outer surfaces opposite to each other of the mandrel and the bearing sleeve, the microporous structure is formed by a plurality of micropores arranged in an array, and the microporous structure has a protruding direction consistent with the flowing direction of the liquid metal. The liquid metal distribution is optimized through the micropores and optional microslit structures between the bearing sleeve and the mandrel, the friction coefficient is reduced, the heat dissipation performance is enhanced, and the service life and the heat dissipation effect of the bearing can be remarkably improved.

The utility model discloses a tomato breeding pollination device, and particularly relates to the field of tomato breeding, the tomato breeding pollination device comprises a pollen tank for containing pollen and a piston pipe for blowing the pollen, the front end of the piston pipe is provided with a flared pipe for spraying the pollen, and the rear end of the piston pipe is connected with a micro air pump; a telescopic auxiliary pressure pipe fitting is arranged below the piston pipe, the rear end of the auxiliary pressure pipe fitting is connected with the piston pipe, the front end of the auxiliary pressure pipe fitting extends to the position below the horn pipe, and a handle is connected to the bottom of the auxiliary pressure pipe fitting. According to the utility model, the pollen flow path is prolonged, the airflow speed is reduced, the pollen is intensively sprayed to the stigma, the utilization rate of the pollen is improved, the main airflow is matched with the auxiliary lateral airflow, the pollen and plants can be lifted, the attachment of the pollen in the closed flower is enhanced, and the pollination effect of the closed flower and the multi-layer flower is improved.

The utility model belongs to ultrasonic water gauge technical field discloses a kind of circuit board module and ultrasonic water gauge.The circuit board module includes glue filling box, circuit board, liquid crystal screen and liquid crystal support. Among them, liquid crystal support sealing connection is at the bottom of glue filling box, and form airtight space between with the bottom of glue filling box, liquid crystal screen is set in airtight space, circuit board is set in glue filling box and located the side of liquid crystal support far from liquid crystal screen.Good at liquid crystal screen is equipped with connecting pin foot, and liquid crystal support is provided with connecting convex part towards circuit board, connecting pin foot is arranged in connecting convex part and is connected with circuit board, to realize the electric connection of liquid crystal screen and liquid crystal support, and connecting pin foot is connected with circuit board by connecting convex part, increase the arrangement path of connecting pin foot in liquid crystal support, so that even when filling, filling glue flows into airtight space by connecting pin foot, due to the additional connecting convex part, increase flow path, to effectively prevent filling glue from polluting liquid crystal screen.

The utility model discloses a kind of high-efficiency filters, belong to separation filtering technical field, it includes upper filter shell and lower filter shell;Upper filter shell includes top wall, and the bottom surface of top wall is coaxially provided with several upper cylinder shell;Lower filter shell includes bottom wall, and the top surface of bottom wall is coaxially provided with several lower cylinder shell;Upper filter shell and lower filter shell are docked after along up-down direction each upper cylinder shell and lower cylinder shell are alternately nested.The high-efficiency filter provided by the utility model prolongs the flow path of fluid in the filter of limited volume, makes fluid and filtering material fully contact, improves filtering efficiency;Upper filter shell and lower filter shell can be respectively integrally formed and processed, and assembly is convenient.

The utility model relates to a mixed solution layering device which comprises a liquid storage tank and at least two partition plates vertically arranged in the liquid storage tank, a gap is kept between the upper side of each partition plate and the top of the liquid storage tank to form a first circulation channel, and one of the front side and the rear side of each partition plate is connected with the corresponding side wall of the liquid storage tank. A gap is kept between the other partition plate and the corresponding side wall of the liquid storage tank to form a second circulation channel, and the second circulation channels formed by every two adjacent partition plates and the liquid storage tank are arranged in a staggered mode; a liquid inlet is formed in one of the front side and the rear side of the liquid storage tank, a first liquid outlet is formed in the other one, a second liquid outlet is formed in the bottom side of the liquid storage tank, and the liquid inlet and the first liquid outlet are located in the sides, away from each other, of the first partition plate and the tail partition plate respectively. The mixed solution layering device provided by the utility model is provided with a plurality of partition plates, so that the liquid flow impact force is dispersed, and the mixed solution is uniformly distributed; second circulation channels formed by every two adjacent partition plates and the liquid storage tank are arranged in a staggered mode, the flowing path is prolonged, the standing time is prolonged, and layering is sufficient.

The utility model discloses an air detector, which relates to the field of air detection and is characterized by comprising a main body, a detection sensor and an air pump, an air inlet pipe is arranged at the top end of the main body, a spiral air inlet pipe is arranged at one end, far away from the main body, of the air inlet pipe, an air inlet cover is arranged on the air inlet pipe, and the air inlet cover is hollow and contains the spiral air inlet pipe. A plurality of air ports are formed in the air inlet cover in the circumferential direction. The air inlet cover comprises an upper cover and a lower cover which can be separated and combined, the air inlet pipe penetrates through the lower cover and is fixedly connected with the lower cover, a filter screen ring groove is formed in the inner bottom face of the lower cover, and a coarse filter screen is detachably connected into the filter screen ring groove. The spiral air inlet pipe is arranged, so that the air flowing path can be prolonged, the air flow is more stable, and the detection precision of the detection sensor is improved.

The utility model discloses a sand core structure for casting a casting through hole, which belongs to the technical field of casting processing, and is technically characterized by comprising a first casting box and a second casting box arranged above the first casting box, and the first casting box is connected with the second casting box through bolts; the flowing path of a metal solution is prolonged through the design of the snakelike groove, the flowing speed is remarkably reduced, the gas entrainment risk caused by turbulent flow is reduced, the angle of the first positioning shell and the position of the discharging hopper can be rapidly adjusted through the arrangement of the sliding rail, the adjustable first supporting rod and the adjustable second supporting rod and the linkage design of the multiple clamping grooves, and the working efficiency is improved. The feeding port of the sand core body is accurately matched, gas in a cavity can be efficiently exhausted through the exhaust hole with the inclined angle and an active exhaust and multi-stage exhaust system of the exhaust fan, air holes are prevented from being formed, and therefore the surface smoothness and the internal compactness of a casting are greatly improved.

The invention relates to the technical field of gas pressure reduction, in particular to a two-stage pressure reducer which comprises a valve body formed by connecting a main body and an aluminum upper cover in a threaded mode, and further comprises a gas source connecting mechanism arranged at a gas inlet in the main body and configured to be connected with an external gas source and filter entered gas; the two-stage pressure reduction mechanism is arranged in the gas source connecting mechanism and the parent body and is used for performing two-stage pressure reduction on the entering gas; the gas outlet mode of the flow meter is an OUT mode, and the flow meter is fixedly installed at the end of the main body through an adapter and is configured to display the flow of output gas; the gas flow channel is arranged in the parent body and is configured to introduce the gas subjected to two-stage pressure reduction into the flow meter and prolong the flow path of the gas in the parent body, so that the gas exchanges heat with the parent body before flowing into the flow meter; according to the gas pressure reducer, the gas flow channel is formed in the parent body, and the problem that gas is frozen when an existing gas pressure reducer works for a long time or is in a low-temperature environment is ingeniously solved.

The utility model relates to LED heat dissipation technical field especially relates to a kind of LED radiator, including the equal interval and splicing together of several heat dissipation fins, the surface of heat dissipation fin is equipped with several water inlet holes and several water outlet holes, several water inlet holes and several water outlet holes are respectively equipped with several U-shaped pipes, the water inlet and water outlet of several U-shaped pipes are located in the same horizontal plane, and the water inlet of several U-shaped pipes is respectively connected with the same main water inlet pipe by several branch water inlet pipes, the water outlet of several U-shaped pipes is respectively connected with the same main water outlet pipe by several branch water outlet pipes;The heat dissipation fin of the utility model is spliced together, can be combined according to the heat dissipation area of LED device, and the scope of application is wide, and the uniformity of heat transfer can be also guaranteed, beneficial to heat dissipation, simultaneously, the setting of U-shaped pipe increases the flow path of water flow in heat dissipation fin, can effectively take away the heat on heat dissipation fin, effectively improves heat dissipation efficiency.

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 invention discloses an outdoor oil-immersed transformer convenient for heat dissipation, and relates to the technical field of transformers, the outdoor oil-immersed transformer comprises a box body and a transformer body fixedly mounted at an inner cavity of the box body, a rainproof cover is fixedly mounted at the top of the box body, and fans are fixedly mounted on two sides of the box body; heat dissipation mechanisms are installed on the two sides of an inner cavity of the box body, cooling mechanisms are installed on the heat dissipation mechanisms, a liquid limiting plate is fixedly connected between the heat dissipation mechanisms, and a floating guide pipe is fixedly installed on the top of the liquid limiting plate. According to the outdoor oil-immersed transformer facilitating heat dissipation, automatic opening and closing of an oil duct are achieved through thermal expansion of oil in the cooling mechanism, oil circulation heat dissipation can be completed without external electric drive, the heat dissipation mechanism is arranged in the inner cavity of the transformer box, air cooling is guaranteed, outdoor dust can be effectively prevented from entering the box to be accumulated, and the heat dissipation efficiency is improved. And dust accumulation and blockage of the cooling fins and the heat exchange pipe wall are avoided, heat resistance is increased, maintenance and cleaning frequency is reduced, and the device is suitable for outdoor severe dust raising environments.

The invention relates to the technical field of gas-liquid mixing equipment, and discloses a gas-liquid mixing device and method based on dynamic dissolution, and the gas-liquid mixing device based on dynamic dissolution comprises a liquid path unit which comprises a liquid path groove, and a turbulent flow structure is arranged in the liquid path groove; the gas path unit is arranged on the opening end face side of the liquid path groove and is provided with a ventilation face corresponding to the end face of the liquid path groove; the gas-liquid isolating membrane is laid between the liquid path unit and the gas path unit, and the gas-liquid isolating membrane is used for sealing and covering the opening end face side of the liquid path groove; and the filtering structure is laid between the gas path unit and the gas-liquid isolating membrane. According to the gas-liquid mixing device based on dynamic dissolution, the liquid flowing path is prolonged through the liquid path groove, the gas-liquid contact area and time are increased through cooperation of the liquid path groove and the gas-liquid isolating membrane, vortex is formed by the liquid through the arrangement of the turbulent flow structure, and therefore the liquid makes contact with the gas-liquid isolating membrane layer by layer in the flowing process; bubbles on the gas-liquid isolating membrane are dynamically dissolved layer by layer, so that the gas-liquid mixing efficiency is improved.

The utility model discloses a cooling structure for centrifugal blower, including cooling heat exchange cylinder, cooling heat exchange cylinder inside is hollowed out structure design, and the inside fixed mounting of cooling heat exchange cylinder has heat exchange pipe, and heat exchange pipe adopts spiral structure design, and the top of heat exchange pipe is fixedly connected with liquid inlet pipeline through flange, and the top of liquid inlet pipeline is provided with liquid inlet and passes cooling heat exchange cylinder, and the bottom of heat exchange pipe is fixedly connected with liquid outlet pipeline through flange, and the top of liquid outlet pipeline passes cooling heat exchange cylinder, and the top of liquid outlet pipeline is provided with liquid outlet, and the liquid inlet and liquid outlet are connected through circulation pipeline and circulation pump, and the heat exchange pipe is provided with flowing coolant, and the utility model discloses low temperature liquid in circulation pipeline can be heat treated with centrifugal blower, thereby can help centrifugal blower to carry out water -cooled heat exchange cooling and cooling, help centrifugal blower to carry out the quick cooling work, avoid centrifugal blower overheating damage.

The utility model belongs to heating equipment field especially, it is a kind of graphite liquid phase coating agent heating equipment, including support frame, the top of support frame is equipped with weighing frame, and is equipped with heating bucket on weighing frame, and is equipped with graphite liquid phase coating agent stirring mechanism on heating bucket;The inner bag is installed in the heating bucket, and heating chamber is equipped between inner bag and heating bucket, and the side of heating bucket is provided with membrane temperature machine, and injection pipe is installed on membrane temperature machine, and injection pipe is connected with heating chamber intercommunication, and the side top of heating chamber is equipped with the return liquid pipe connected with membrane temperature machine, and spiral guide plate for the heat conducting medium direction is equipped in heating chamber, the top of heating bucket is equipped with feed pipe.

The invention relates to the technical field of milling cutters, in particular to a wind driven generator rotor magnetic steel ladder groove machining milling cutter which comprises a milling cutter disc, a driving shaft and a first conveying unit. A plurality of groups of mounting grooves are formed in the outer edge of the milling cutter disc, and a cutting assembly is arranged in each group of mounting grooves. The cutting assembly comprises a cutting edge, the cutting edge is provided with a cutting face, and the cutting face is provided with a cutting end used for executing the cutting action. And when the driving shaft drives the milling cutter disc to axially rotate around the milling cutter disc, the cutting end starts deep groove machining immediately. After the cutting fluid in the containing cavity flows into the first flow channel, the first conveying unit can guide the cutting fluid to stably flow to the cutting end, so that the cutting end and the area, making contact with a workpiece, of the cutting fluid are efficiently cooled and lubricated. Therefore, through guiding of the first conveying unit, the flowing path of the cutting fluid on the cutting face is prolonged, the residence time of the cutting fluid on the cutting face and the cutting end is prolonged, efficient cooling and lubricating are achieved, the cutting temperature is remarkably reduced, and heating and abrasion of the cutting edge are reduced.

The utility model relates to the technical field of spraying, and discloses an efficient insulation UEW polyurethane coating device which comprises a spraying gun, a spraying pipe and a built-in control assembly, a spiral channel is formed in the spraying pipe and a spiral plate, a coating flowing path is prolonged to stabilize the flowing speed and reduce bubble entrainment, and impurities are filtered through sealing discs at the two ends; a rotating roller and a shifting plate on the mounting seat are matched with a coil spring and are regularly and mildly shifted after being impacted by the coating, internal bubbles are separated, and the problem that bubbles are generated by traditional stirring is avoided; the air valves correspond to the spiral channels in a one-to-one mode, air at the tops of the channels is exhausted in time, and coating basically has no bubbles. When a wire is coated with the bubble-free coating, a complete and uniform coating can be formed, the defects of pinholes, cavities and the like are avoided, heating is uniform during curing, and the insulation requirement of high-end equipment is met. The coating can be reused without additional bubble removal after being recycled, so that waste and working procedures are reduced; a bubble-free coating reduces the reject ratio, the quality stability is improved, and the automatic design is adaptive to efficient production; and coating waste and heat loss are reduced.

The application discloses a nozzle and belongs to the technical field of fluid injection equipment. The nozzle comprises a nozzle body, a first cavity, a second cavity and a third cavity which are sequentially arranged in the nozzle body, the diameters of the three cavities are sequentially reduced, and steps are arranged between adjacent cavities. The second cavity is provided with an injection cylinder, and the first cavity is provided with a compression ring. The injection cylinder is provided with a second channel, an outer side wall is provided with a third channel, the two channels are communicated through a through hole, and an extension part with a fluid outlet and a guide inclined surface is arranged at the end. The application can reduce pressure loss, improve injection stability and uniformity, is convenient to install, and has a long service life.

This utility model discloses a high-efficiency venting structure for die-casting molds, relating to the field of mold technology. It includes: a fixed mold and a moving mold; the fixed mold has a cavity at the top center, and the moving mold has a mold base fixedly installed at the bottom, inserted into the cavity; a venting groove is located at the bottom center of the mold base, and a venting hole penetrating the mold base and the moving mold is located at the top of the venting groove; a venting assembly is located inside the venting groove; and a cooling assembly is fixedly installed at the top of the venting pipe. This utility model achieves automatic venting, preventing molten metal leakage and ensuring venting efficiency. It also extends the flow path of high-temperature gas within the venting stack. Combined with circulating cold water and heat dissipation fins in the water tank, it can quickly absorb gas heat, reduce the venting temperature, prevent direct venting of high-temperature gas from scalding operators, and reduce the impact on the workshop environment temperature.

The utility model relates to a carbon dioxide extraction device convenient to use belongs to gas separation and purification technical field. Mainly include casing, adsorption subassembly, baffle, filter component, micro fan and controller, the casing is divided into adsorption cavity and gas storage cavity in the compartment, and adsorption subassembly prolongs gas flow path through the synergistic effect of flow guide cylinder, spiral flow guide plate and heat conduction cylinder, and the adsorption efficiency is promoted, and filter component filters the impurity gradually, and the automatic cleaning function is realized to cleaning mechanism, and the manual intervention is reduced. The utility model improves the contact time and utilization rate of gas and adsorption material, ensures efficient purification carbon dioxide, reduces the maintenance complexity simultaneously, guarantees long -term stable operation of device.

The application relates to the air conditioning technical field, in particular to a ventilation system for plant culture and an artificial climate chamber, which comprises a supply air pipe and an exhaust pipe, and a primary heat exchanger is arranged at the gathering position of one end of the supply air pipe and the exhaust pipe; the primary heat exchanger comprises a plurality of equidistantly distributed partition plates, and a heat exchange guide plate is fixedly arranged between two adjacent partition plates; a rotating lining cylinder is rotatably arranged in the inner cavity of a fixed cylinder, the rotating lining cylinder movably penetrates one end of the fixed cylinder, and the rotating lining cylinder and the inner cavity of the fixed cylinder are respectively connected with two center holes in the center of the partition plates; beneficial effects are that the supply air pipe and the exhaust pipe are arranged on the inner side wall of the heat preservation cabin, the heat exchange guide plate is internally formed with a guide groove one and a guide groove two, the air flow path is greatly prolonged, the air in the inner cavity of the supply air pipe is subjected to primary heat exchange, the temperature is closer to the temperature of the inner cavity of the heat preservation cabin, and the energy consumed by the constant-temperature heat exchanger for maintaining the air temperature in the inner cavity of the heat preservation cabin is reduced.

The application relates to the technical field of water purification equipment, and relates to a water treatment equipment which comprises a temperature adjusting device; the temperature adjusting device comprises a heat exchange part, a heat exchange pipeline and a heat exchange water tank, the cold working end of the heat exchange part is thermally coupled to a water storage device, the heat exchange water tank is provided with a heat exchange channel used for conveying a heat exchange water source, and the heat exchange channel is connected to the heat exchange part; wherein the heat exchange channel comprises multiple bending sections, and the heat exchange water source is thermally coupled to the heat dissipation end of the heat exchange part through the heat exchange water tank. The water treatment equipment in the embodiment improves the heat exchange effect between the heat exchange water source and the heat exchange water tank by adopting the heat exchange channel with the bending sections.

The utility model relates to a boiler technical field, concretely is a horizontal hot -blast type organic heat carrier boiler, including the shell, one end of shell is installed with the burner, the inside of the shell is provided with the pipe body, the combustion head of burner is located in the inside of one end of pipe body, the both ends outside of shell are installed with the water inlet and outlet pipe seat respectively, the both ends of pipe body are connected with water inlet and outlet pipe seat, the pipe body includes three layers heat exchange coil pipe of inner layer, middle layer, outer layer, the inside of inner layer is first return, it is second return between middle layer and inner layer, it is third return between middle layer and outer layer, the flue gas passes through first return and turns back to pass through second return, again turns back to pass through third return, finally discharges. In the horizontal hot -blast type organic heat carrier boiler, adopt three layers heat exchange coil pipe's three return structure design, the inside of inner layer is first return, it is second return between middle layer and inner layer, it is third return between middle layer and outer layer, the flue gas discharges after passing through three return in proper order.