35results about How to "Speed up winding" patented technology

An energy-saving comfortable vehicle air-conditioner comprises an air-conditioner housing arranged at the roof of a vehicle, and a condenser assembly and an evaporator assembly are arranged inside the air-conditioner housing, wherein the condenser assembly is arranged in front of the evaporator assembly in the forwards-moving direction of the vehicle; the front portion of a condenser cover is provided with arc-shaped diversion holes, and both sides of the condenser cover are provided with bar-shaped air inlet grids. By means of the technical scheme, the energy-saving comfortable vehicle air-conditioner has the advantages that a condenser and an evaporator are integrally designed, a parallel flow heat exchanger employs large units, so that the number of pipe connecting parts and housing fixing positions can be reduced and further the integral structure can be simpler, lighter and more stable; the condenser and the parallel flow heat exchanger are horizontally arranged at forward open angles, the front air inlet surface of the condenser cover is provided with arc diversion members, so that the air inlet uniformity and the heat exchanging efficiency of the condenser can be greatly improved and further energy consumption can be reduced.

The invention provides a continuous electric heating calcining kiln and a temperature control method which are used for solving the problems that the production efficiency is low, the production quality is poor, and the environment is polluted in the prior art. The continuous electric heating calcining kiln and the temperature control method comprise a kiln body, a heating system, and a conveyingsystem; the heating system is located in the kiln body, and the heating system comprises a preheating section, a calcination section, and a cooling section; and the conveying system is used for conveying multiple products from the inlet of the kiln body to the outlet of the kiln body, and the products pass through the preheating section, the calcination section, and the cooling section in sequence. The conveying system is adopted to convey the products to pass through the preheating section, the calcination section, and the cooling section in sequence, extremely cold and extremely hot conditions are avoided, and in a specific heat treatment, continuous conveying can be achieved to achieve production efficiency.

The invention discloses a novel multifunctional compound air purifier. The air purifier comprises a chassis and a compound filter element; an air supply box is mounted at the top of the chassis; an exhaust port is formed in the outer side of the air supply box; an adjusting fan blade is mounted in the exhaust port; a turbofan is mounted in the air supply box; an aroma piece is mounted at the lower part of the turbofan; a small air chamber is mounted at the lower part of the aroma piece; a sprayer is mounted on the side surface of the small air chamber; an exhaust valve is arranged at the lower part of the small air chamber; the lower part of the exhaust valve is connected with a cylinder; an air compressor is mounted at the lower part of the cylinder; the compound filter element is mounted in the chassis; an intake pipe is connected between the compound filter element and the air compressor; an annular intake port is formed in the bottom of the chassis; and an intake channel is connected between the annular intake port and the compound filter element. The air purifier is higher in purifying capacity, can purify various pollutions, is provided with excellent design of intake and exhaust ports to improve the purifying efficiency and the covering range, and in addition, achieves multiple practical functions.

The invention discloses a box structure for a tunnel sterilizing dryer and a laminar flow control method of a box. The box structure is internally provided with a first cavity channel, a second cavity channel and an air return cavity channel sequentially from top to bottom; the bottom part of the first cavity channel communicates with the top part of the second cavity channel; two ends of the air return cavity channel respectively communicate with the first cavity channel and the second cavity channel; a filter assembly is arranged on the bottom part of the first cavity channel; a fan assembly used for guiding air into the first cavity channel is arranged on the top part, close to the air return channel cavity, of the box. The control method comprises the following steps that the fan assembly is started to guide the air into the first cavity channel, and the air is filtered by the filter assembly, then enters the second cavity channel to act on a bottle inside the second cavity channel, and finally returns to the fan assembly through the air return cavity channel to form inner circulation laminar flow. The box structure and the laminar flow control method have the advantages of simplicity, compactness, low cost, convenience in layout, and capability of improving the laminating effect and the hot air uniformity.

The invention relates to an air conditioner outdoor unit used for improving the efficiency of a condenser by utilizing condensate water atomization and cooling. The air conditioner outdoor unit comprises a fan center disc and an atomizing device. According to the air conditioner outdoor unit, the positions of the condenser and a fan are rearranged, the condenser is arranged close to an air outletside plate, the fan is arranged close to an air inlet side plate, one end of the fan is connected with an output shaft of a motor, and the other end of the fan is connected with the atomizing device through the fan center disc; the motor is arranged close to the air inlet side plate, and the atomizing device comprises a center disc connecting section and a condensate water atomizing section, wherein the center disc connecting section is in a hollow cylinder shape and is connected with the fan center disc; the condensate water atomizing section is in an arc-shaped cone shape, an atomizing device water inlet is formed in the side, far away from the fan, of the condensate water atomizing section, and the side wall of the condensate water atomizing section is provided with a plurality of atomizing holes parallel to the output shaft of the motor; and one end of a condensate water diversion pipe is inserted into the atomizing device water inlet. According to the outdoor unit, condensate water is reasonably utilized by virtue of centrifugal atomization, so that the heat dissipation efficiency of the condenser is improved.

The invention provides an electric power safety and protection isolating net convenient for placing and transporting, and relates to the technical field of electric power safety and protection. The electric power safety and protection isolating net convenient for placing and transporting comprises a bottom plate, wherein the top end of the bottom plate is fixedly equipped with a mounting base; thecenter of the mounting base is rotatably connected with a rotary shaft; the top end of the rotary shaft is fixedly connected with a rotary disc; a guide rail slot is formed in the inner side of the mounting base; and the inner part of the guide rail slot is in sliding connection to a limiting block. According to the electric power safety and protection isolating net convenient for placing and transporting provided by the invention, a supporting rod can retract and extend for conveniently collecting the isolating net; an extending column and the mounting base are mutually limited, so that a phenomenon that the isolating net is mutually wound as a result of loosening of the extending column in a transportation process is avoided, and the isolating net can be kept in an extending state all the time in retracting and stretching processes, and therefore, folding of the isolating net is avoided, and the effects of rolling and stretching the isolating net are improved.

The invention belongs to the technical field of brake discs, and particularly relates to an interlink brake anti-lock brake disc. The interlink brake anti-lock brake disc comprises an upper disc body,a lower disc body and a connecting layer; a first groove and a second groove are formed in the positions, located at outer edge positions, of the upper disc body and the lower disc body in an equal-angle manner correspondingly; the first groove is internally provided with an air collecting device; the air collecting device comprises an air collecting piece and a return spring; the air collectingpiece is located at the opening position of the first groove and is connected with the inner cavity position of the first groove through the return spring; the second groove is an air inlet groove andis used for ventilation and heat dissipation inside the brake disc, the second groove is of an arc structure, and the inner wall is spiral; and the connecting layer includes a first air guiding plateand a second air guiding plate, and the problems that a traditional brake disc can only achieve surface heat dissipation, internal stored heat cannot be dissipated in time, consequently brake failures are caused; and meanwhile, dust and corrosive substances entering an air duct inside an air duct disc cannot be removed in time, and consequently the heat dispersion is decreased, and meanwhile theservice life of the brake disc can be influenced are solved.

The invention relates to the technical field of heating equipment, in particular to a foot warmer for city rail vehicle driver's cab and a circuit thereof. The foot warmer comprises a shell body, an electric coupler, a heating element, a draught fan, an insulating ceramic piece, a breaker and a temperature blown fuse, wherein the electric coupler is connected with the shell body, and the heating element, the draught fan, the insulating ceramic piece, the breaker and the temperature blown fuse are arranged in the shell body; a back panel of the shell body is provided with a plurality of air inlets, and a front panel of the shell body is provided with a plurality of air outlets; and the back panel of the shell body, the draught fan, the insulating ceramic piece, the heating element and the front panel of the shell body are arranged in sequence. The foot warmer has the advantages that the foot warmer directly heats the periphery of the foot, the structure is simple, the space occupation is small, and the heating efficiency is high.

The invention provides a solar heat collecting device. The solar heat collecting device comprises a plurality of heat collecting rods which are arranged side by side and formed by heat pressing soft plastics, the heat collecting rods are internally provided with air flow channel cavities, the sunny sides of the heat collecting rods are provided with transparent plastic layers, the night sides of the heat collecting rods are provided with black coatings, inlet air of each heat collecting rod is connected to a total air inlet, outlet air of each heat collecting rod is connected to a total air outlet, and the total air inlet is connected with a ventilator. The invention further provides a solar heating system. The solar heating system combines the solar heat collecting device and an air heatpump to supply warm air to the indoor environment. The invention further provides a using method of the solar heating system. According to the method, a working mode that air is sucked from the indoorenvironment to be heated, and the warm air is directly returned to the indoor environment is provided, moreover, a working mode that low-temperature warm air heated by the collecting device is used for gasifying a refrigerant, and then the refrigerant releases heat to indoor circulating air with the relatively high temperature is provided, the heat collecting rods are made of plastic films, the heat collecting rods are inflated to be unfolded during use, and are vaccumized to be folded during un-use, so that storage and transportation are facilitated, and the heating system is low in cost, light in weight, easy to assemble or disassemble, and free of freezing risk.

The invention relates to a fresh air linkage controller and a range hood using the same. When the range hood is turned on, a current inductive circuit automatically senses the working current of the range hood and outputs an electric signal to start a drive and control circuit; the drive and control circuit is started to automatically open a fresh air electrically operated valve; the fresh air electrically operated valve is enabled to perform forward rotation to open a fresh air valve, at the moment under negative pressure suction of the range hood, fresh air enters indoor from outdoor through the fresh air valve, the kitchen is timely supplemented with the fresh air, the range hood is more labor-saving in suction and discharge, the inlet air of the range hood is increased, the diffusion of exhaust gas and cooking fume is reduced, and the purpose of improving the air quality of the kitchen is achieved; besides, the design is reasonable and ingenious, high safety and reliability are achieved, the use is convenient, the cost is low, and the popularization and application are facilitated.

The invention provides an air conditioner, and relates to the technical field of air conditioning. The air conditioner comprises a shell, an air inlet is formed in the top of the shell, a lower air outlet is formed in the bottom of the shell, and an upper air outlet and a lower air outlet which are distributed up and down are formed in a front panel of the shell; the air inlet, the lower air outlet, the upper air outlet and the lower air outlet can be opened or closed; the top of the shell is connected with a fresh air pipeline leading to the outdoor environment, and the fresh air pipeline can be communicated with or closed from the air inlet. According to the air conditioner, air inlet and air outlet of the air conditioner can be flexibly adjusted, the air outlet area of the air conditioner can be increased, the air supply angle of the air conditioner can be increased, the fresh air supply efficiency can be improved, air circulation of the indoor environment can be promoted, and the air quality of the indoor environment can be improved.

The invention discloses a filter screen self-cleaning type air filtering device. The air filtering device comprises a shell, filtering assemblies, a cleaning mechanism and an overturning mechanism, wherein an air inlet and an air outlet are formed in the shell, an air flow channel is formed in the shell, the two filtering assemblies are symmetrically arranged, the surfaces of the opposite sides of the two filtering assemblies are located on the same spherical surface, in the air inlet working state, one filtering assembly directly faces the air inlet and abuts against the air inlet, the portion, abutting against the filtering assembly, of the air inlet is provided with an arc-shaped abutting face matched with the spherical curved face of the filtering assembly, the other filtering assembly is idle in the shell, the cleaning mechanism and the turnover mechanism are installed in the shell, the cleaning mechanism is used for cleaning the filter assembly idle in the shell, and the overturning mechanism is used for overturning the two filter assemblies at the same time, so that the positions of the two filter assemblies are exchanged. According to the air filtering device, the structure design is ingenious, a filter screen can be replaced and cleaned in a full-automatic mode, the filter screen does not need to be disassembled, and the filter screen replacing and cleaning efficiency is high.

The invention provides a high-efficiency spiral excavation equipment and its use method, which includes ear plates, a hoist structure, a first-level lifting rope, a first-level lock, a first-level hanger, an outlet barrel, a second-level lifting rope, a second-level Lock buckle, secondary hanger, heat dissipation tube structure, heat dissipation shell, drive motor, primary coupling, screw shaft, screw leaf, shield, quick screw-in shaft structure, secondary coupling, export door and quick disassembly bolt. In the present invention, the hoisting casing, the double output shaft hoisting motor, the support frame, the first-level winding shaft, the first-level connecting shaft, the second-level winding shaft and the second-level connecting shaft are arranged to facilitate automatic lifting of the spiral excavation equipment, which can reduce labor intensity. Avoid manual lifting work; the settings of the export cylinder, screw shaft, screw leaf, export door and quick-release bolts can quickly export the unscrewed soil and improve the export efficiency.

The invention discloses a heating module, a heating module set and an electric heating radiator. The heating module comprises a heating body, a first radiating fin and a second radiating fin which areoppositely arranged and a connection plug, wherein the heating body is provided with a conductive end; the opposite inner side walls of the first radiating fin and the second radiating fin are provided with concave containing grooves, the containing grooves in the first radiating fin and the second radiating fin form a containing channel, the heating body is arranged in the containing channel, and the outer side wall of the heating body is tightly attached to the inner wall of the containing channel; and the connection plug is arranged on the outer sides of the radiating fins and is electrically connected with the conductive end of the heating body and is used for connecting a power plug to get electricity. The heating module, the heating module set and the electric heating radiator are low in heating temperature, high in safety, fast in radiating speed, high in radiating efficiency, low in energy consumption, energy-saving and environment-protecting.

The invention provides a double-motor air draft type air filter comprising a filter shell (1). The double-motor air draft type air filter is characterized in that the bottom of the filter shell (1) is provided with a filter water bin (2); one side of the filter shell (1) is provided with a side air inlet (3); the inner side of the side air inlet (3) is provided with an air intake device (4); the outer side of an exhaust outlet of the air intake device (4) is provided with a purifying filter screen (5); the exhaust outer side of the purifying filter screen (5) is provided with a dedusting water curtain device (7); the upper portion of one side of the inner portion of the filter shell (1) is provided with an air guide channel (9); the outer side of the air guide channel (9) is an air outlet (10); the air outlet (10) is provided with an exhaust fan (11). The double-motor air draft type air filter is reasonable in structure; with the double-motor structure, the air inlet and air outlet quantities are multiplied; the overall energy consumption is relatively low; the purifying filter screen and an electrostatic adhesion net can purify air, so that the indoor living comfort in summer is improved.

The invention relates to the technical field of optical fiber sponge reel wrapping and packaging, in particular to an optical fiber sponge reel wrapping and packaging production line. The production line includes a control system and a sponge winding device equipped with the control system, a side-seal heat shrink packaging machine, an automatic box unpacking machine, a high-speed manipulator, a box sealing machine, and a silo with a palletizing robot inside; its sponge winding The manufacturing device specifically includes a sponge feeding device, a sponge cutting device, an optical fiber disk moving device, an adhesive smearing plate and a sponge winding mechanism. The production line only uses the worker to simply push the sponge roll to the sponge feed port and perform the entrance operation, and other steps of the optical fiber coil to make the sponge can be automatically completed by the packaging line, which can effectively improve the winding and packing efficiency and effectively reduce the labor of the workers. strength.

The invention provides a full-automatic bullet shell production device which comprises a copper strip feeding device, a stamping device and a waste copper strip winding device. The stamping device isa closed double-point press machine; a set of continuous progressive stamping dies is installed on the stamping device; a copper strip on the copper strip feeding device enters the position between the continuous progressive stamping dies so as to be subjected to continuous stamping forming, and discharging is completed; and the waste copper strip winding device is installed on the other side of the stamping device so as to wind and collect stamped copper strip excess materials. According to the full-automatic bullet shell production device, the waste copper strip winding device is additionally arranged, so that copper strip waste is conveniently collected and treated; and the bullet shell production efficiency is high. Meanwhile, the invention provides a full-automatic production processmethod for bullet shells. The copper strip is cut by the continuous progressive stamping dies after being fed, so that the yield of the bullet shells is increased.

The invention discloses a fresh air ventilator air duct structure and a fresh air ventilator. The fresh air ventilator air duct structure comprises a shell, a fresh air duct and an exhaust air duct, wherein the fresh air duct and the exhaust air duct communicate with the indoor side and the outdoor side of the shell. Fan assemblies with the opposite air inlet and outlet directions are arranged at a fresh air opening and an exhaust opening of the indoor side and / or the outdoor side of the shell correspondingly. According to the fresh air ventilator air duct structure and the fresh air ventilator, the fan assemblies with the opposite air inlet and outlet directions are arranged on the same side of the fresh air ventilator at the same time, the same or different fan structures can be adopted, and the purpose of improving the air inlet and exhaust static pressure through two-stage pressurization is achieved. A pressurization fan does not need to be adopted, the fan can operate in a high-energy-efficiency area to the maximum extent, the motor efficiency is improved, and the influence of fan rotation vibration is reduced. By adjusting the fan motor rotating speed, the airflow velocity and the airflow direction, automatic adjustment of the inlet and outlet static pressure is achieved, and the comfort of a system is improved.

The invention relates to the technical field of optical fiber sponge wire coil wrapping and packaging, in particular to an optical fiber sponge wire coil wrapping and packaging production line. The production line comprises a control system, a sponge winding device, an edge-sealing heat-shrinkable packaging machine, an automatic case unpacking machine, a high-speed manipulator, a case sealer and abin, wherein the sponge winding device, the edge-sealing heat-shrinkable packaging machine, the automatic case unpacking machine, the high-speed manipulator and the case sealer are matched with the control system; a stacking robot is arranged inside the bin; and the sponge winding device specifically comprises a sponge feeding device, a sponge cutting device, an optical fiber disc moving device,an adhesive smearing plate and a sponge winding mechanism. According to the production line, after a sponge roll is simply pushed to a sponge feeding port by a worker and inlet operation is carried out, other steps of winding the sponge by an optical fiber disc can be automatically completed by the packaging line, so that the winding and packaging efficiency can be effectively improved, and the labor intensity of workers is effectively reduced.

A cyclone air sterilizer, comprising a cylinder and a filter installed in the cylinder, the cylinder is arranged in a cone structure, the top of the cylinder is provided with a spiral air inlet pipe, and the top of the cylinder is also provided with The air outlet, the filter screen is arranged along the circumference, and the filter screen separates the cylinder into an inner cavity and an outer cavity, the top of the inner cavity is connected with the air inlet pipe, and the bottom of the inner cavity is provided with a waste discharge port, so The top of the outer cavity communicates with the air outlet, and an ultraviolet disinfection lamp is arranged in the cylinder. The invention has the following beneficial effects: the use of centrifugal force and the filter screen to effectively separate the clean air and dust impurities; multi-stage filtration of various impurities, and facilitate the classification and treatment of them; the filter screen has a long service life; the cleaning times of the filter screen are reduced, and it is convenient to disassemble and install ; Realize the whole process of disinfection of air; increase the speed of air inlet or outlet, enhance the separation effect; effectively recover impurities.

The invention discloses a universal flue windproof cap. The universal flue windproof cap comprises an upper spherical segment, a lower spherical segment, support rods, a convex surface rainproof cover and a bushing, wherein the upper spherical segment and the lower spherical segment are both bowl-shaped, and are connected by the four support rods; the upper spherical segment is positioned rightly above the lower spherical segment; the upper spherical segment and the lower spherical segment are arranged bottom to bottom; the upper surface of the upper spherical segment is connected with the convex surface rainproof cover; and a circular smoke outlet is formed in the center of the lower spherical segment, and is welded with the bushing capable of being inserted in a chimney, wherein the diameter of the bushing is slightly greater than the diameter of the chimney, and the diameter of the smoke outlet is slightly smaller than the diameter of the bushing. The universal flue windproof cap has the advantages of easy production, convenience for mounting and maintenance, capability of increasing inlet air and smooth smoke discharge.

The invention discloses a support frame of a fishing net thread winding wheel. The support frame comprises a base plate, wherein a support plate is arranged on the base plate, a guide cylinder is arranged on the end of the support plate, the guide cylinder is connected with the support plate by virtue of a fixed rod, a fixed pin is arranged on the end of the fixed rod, and the fixed rod is in threaded connection with the fixed pin. According to the support frame, the fixing and support effects can be achieved by virtue of the base plate and the support plate, the winding wheel can be conveniently installed by virtue of the guide cylinder, and a fishing net thread can be conveniently wound by virtue of the winding wheel, so that the winding efficiency of the fishing net thread is greatly improved.

The invention discloses a fresh air duct structure and the fresh air unit, comprising: a shell, a fresh air duct and an exhaust air duct connecting the indoor side and the outdoor side of the housing, the indoor side and / or outdoor side of the housing The fresh air outlet and the air exhaust outlet are respectively provided with fan assemblies with opposite air inlet and outlet directions. In the present invention, fan components with opposite air inlet and outlet directions are arranged on the same side of the new fan, and the same or different fan structures can be used to achieve the purpose of double-stage pressurization to increase the static pressure of air inlet and exhaust. There is no need to use a booster fan, so that the fan can operate in a high energy efficiency area to the maximum extent, which improves the efficiency of the motor and reduces the impact of the fan's rotational vibration. And by adjusting the speed of the fan motor, the flow rate of the airflow and the direction of the airflow, the automatic adjustment of the static pressure at the inlet and outlet is realized, and the comfort of the system is improved.

The invention discloses a non-woven fabric post processing reeling and unreeling system. The non-woven fabric post processing reeling and unreeling system comprises an unreeling device, a non-woven fabric punching device and a reeling device. The non-woven fabric punching device is arranged between the unreeling device and the reeling device. The reeling device comprises a first motor and a reeling roller. The non-woven fabric punching device comprises an output roller matched with the reeling roller. The first motor is connected with the reeling roller, and the first motor can drive the reeling roller to move. Through the arrangement of the first motor and the reeling roller, the first motor can be used for pushing the reeling roller to move, the reeling roller is constantly kept attachedto the output roller, the reeling roller is gradually moved along with increasing of non-woven fabric on the reeling roller, the reeling roller constantly conducts center reeling and surface reeling,the non-woven fabric is in smooth transition to the reeling roller to be reeled, the non-woven fabric is effectively prevented from being subjected to excessive pull force, and deformation of the non-woven fabric during reeling is prevented.

The invention provides a feeding conveying mechanism for pulping and papermaking spectrum detection equipment, and relates to the technical field of papermaking equipment, the feeding conveying mechanism comprises an assembly line frame, a fixing part, a detection part, a second heat dissipation part and a first heat dissipation part; roll shafts are installed on the assembly line frame, a belt wheel A is installed on the roll shaft on the front side, and a frame body is fixedly connected to the assembly line frame through bolts. The heat dissipation plate is of the concave plate-shaped structure, the left end face and the right end face of the inner wall of the heat dissipation plate make contact with the frame body, and the rear end face of the heat dissipation plate is of the arc-shaped structure, so that on one hand, the heat dissipation plate of the concave structure can improve the wind power collection effect; on the other hand, the heat dissipation plate with the rear end face being of an arc-shaped structure does not affect normal sliding with the frame body even if collision occurs during placement, and the problems that firstly, in the using process of an existing device, a detection head is prone to being stained with dust, and cleaning is not convenient enough are solved; and secondly, the problem that a detection head cannot be protected when an existing device is maintained is solved.

The invention relates to the technical field of flame-retardant slice production, in particular to a condensation polymerization vacuum reaction system for flame-retardant slice production and a production process. The hollow coil spring is arranged in the kettle body; the feeding pipe extends into the kettle body and is used for conveying materials to the upper end of the hollow coil spring so as to enable the materials to flow downwards along the side wall of the hollow coil spring; the first pipe and the second pipe are respectively communicated with two ends of the hollow coil spring and are matched to drive the hollow coil spring to contract and contract so as to promote heat exchange between fluid in the hollow coil spring and materials; the device has the advantages of high heat exchange efficiency, high polymerization reaction rate, high byproduct discharge rate and high product yield.

The invention discloses a two-way rewinding wheel set, which comprises a connecting rod. One end of the connecting rod is provided with a first fixing post, the first fixing post is provided with a first rewinding wheel, and the other end of the connecting rod is provided with a second fixing post. column, the second fixed column is provided with a second winding wheel; the shape and size of the second winding wheel are the same as that of the first winding wheel. The invention can facilitate the connection between the first winding wheel and the second winding wheel through the connecting rod, realize the winding function conveniently through the first winding wheel and the second winding wheel, and can greatly improve the winding of the aluminum strip .

The invention discloses a winding tube body assembly structure of a winding tube type heat exchanger and a winding and assembling method thereof. The winding tube body comprises a cylindrical body welded as a whole, and the outer wall of the central cylindrical body is surrounded by several layers of spiral heat exchange tubes. , the rotation directions of the two adjacent layers of heat exchange tubes are opposite, and several centripetal positioning plates are symmetrically distributed at both ends of the outer wall of the central cylinder. There are semi-circular positioning holes, and the heat exchange tubes are layered and clamped in the semi-circular positioning holes; one side of each layer of heat exchange tubes is provided with a support tube that is also clamped in the semi-circular positioning holes. The contact surface with the support bar is welded and fixed. In the present invention, the support bars are evenly fixed on the outer wall of the central cylinder through the centripetal positioning plate, so that the weight of each layer of heat exchange tubes and support tubes can be evenly distributed on the centripetal positioning plate, and the difference between the support tubes and the heat exchange tubes is reduced. The load of the support bar improves the reliability and safety of the winding body.