Novel series-flow-free U-shaped tube heat exchanger
By setting up partitions in U-tube heat exchanger and using air flow, the problem of cooling fluid heat flow is solved, and the U-tube is protected by silicon carbide layer and anti-corrosion layer, achieving higher heat exchange efficiency and use life.
Patent Information
- Application Number
- CN202420855846.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-24
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2034-04-24
AI Technical Summary
Existing U-tube heat exchangers cannot prevent the heat flow of cooling fluid, causing heat to be transferred to the newly incoming cooling fluid and are prone to corrosion and damage after long-term use.
A streamless U-tube heat exchanger was designed. By setting two partitions in the tube box, and using a dispersing fan and an intake mesh plate to flow air to avoid heat flow, while at the same time, the U-tube body is Silicon carbide layer and corrosion-proof layer are applied to prevent corrosion, and reinforcement tubes are added to improve strength and heat insulation.
It effectively prevents heat transfer from cooling fluid, avoids heat flow, extends the service life of the U-shaped tube and improves its strength and thermal insulation performance.
Smart Images
Figure CN222187918U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of heat exchangers, and in particular to a novel non-series flow U-tube heat exchanger. Background Art
[0002] A heat exchanger is a device used to transfer heat from a hot fluid to a cold fluid to meet specified process requirements. It is an industrial application of convective heat transfer and heat conduction. Existing U-tube heat exchangers are widely used in the market due to their simple structure and high heat exchange efficiency.
[0003] After searching, a Chinese patent with announcement number CN 219454761 U discloses a U-tube heat exchanger, including a tank body and a filtering device, the surface of the tank body is connected with a connecting pipe, and two supporting frames are fixedly connected to the surface of the tank body; a filtering device is provided on the upper surface of the connecting pipe, and the filtering device includes a filter cartridge, the bottom end of the filter cartridge is connected with the upper surface of the connecting pipe, a plurality of receiving grooves are provided on the surface of the filter cartridge, and filter plates are inserted into the inner walls of the receiving grooves of the filter cartridge, and moving devices are provided on both sides of the supporting frame, and the moving device includes a threaded rod, the outer surface of the threaded rod is threadedly connected with the inner wall of the supporting frame, the bottom end of the threaded rod is rotatably connected with a placement block, and the surface of the placement block is rotatably connected with a moving wheel; by arranging the filter cartridge and the filter plate, impurities in the water can be filtered, and the situation where impurities adhere to the inside of the tank body and block the pipeline is reduced, and at the same time, the clamping rod will also limit the position of the filter plate, and the magnetic block and the magnetic block will limit the angle of the clamping rod.
[0004] Although the above-mentioned U-tube heat exchanger can filter the cooling fluid to prevent scale from being generated in the U-tube, it cannot prevent the outflowing cooling fluid from indirectly transferring heat to the just-inflowing cooling fluid. Utility Model Content
[0005] The utility model aims to provide a novel non-sequential flow U-tube heat exchanger, which avoids the heat cross flow by setting two partitions and flowing the air between the partitions.
[0006] The utility model adopts the following technical solutions:
[0007] A novel non-series flow U-tube heat exchanger comprises a body, the body comprises a tube body and a heat insulating member, the heat insulating member comprises a tube box, a butt flange is fixed to one side of the tube box, a liquid outlet pipe is fixed to the upper end of the tube box, a liquid inlet pipe is fixed to the lower end of the tube box, an air inlet mesh plate is fixed inside the tube box, a partition is fixed inside the tube box, a heat conductive mesh plate is fixed to the bottom of the partition, and an air diffuser is fixed to the bottom of the partition;
[0008] A support leg and a discharge pipe are fixed to one side of the tube body, a feed pipe is fixed to the other side of the tube body, a connecting flange is fixed to the end of the tube body, and the connecting flange is bolted to the docking flange;
[0009] A heat-conducting structure is sleeved inside the tube body, the heat-conducting structure includes a support, the support includes a tube sheet, a sleeve plate is fixed on one side of the tube sheet, the sleeve plate is sleeved inside the tube body, a sealing strip is fixed on the other side of the tube sheet, and a sealing gasket is fixed inside the sealing strip;
[0010] A heat-conducting member is fixed inside the tube plate, and the heat-conducting member includes a U-shaped tube body, and the U-shaped tube body is fixed inside the sleeve plate. A baffle is fixed on one side of the U-shaped tube body, and a through hole is opened on one side of the baffle.
[0011] In one embodiment of the utility model, an anti-collision plate is fixed on one side of the U-shaped tube body, a silicon carbide layer is fixed on one side of the U-shaped tube body, and an anti-corrosion layer 1 is fixed on one side of the silicon carbide layer.
[0012] In one embodiment of the utility model, a reinforcing tube is fixed inside the U-shaped tube body, and a second anti-corrosion layer is fixed inside the reinforcing tube.
[0013] The beneficial effects of the utility model are:
[0014] By setting up two partitions, the cold fluid in the pipe box area where the liquid outlet pipe is located cannot contact the cooling fluid in the pipe box area where the liquid inlet pipe is located through heat conduction of the partitions, and by setting up the air diffuser fan, the outside air can enter between the two partitions through the air inlet mesh plate, and then take away the hot air between the two partitions, thereby preventing the partition below from becoming hot due to the transfer of heat through the air. By setting up two partitions and flowing the air between the partitions, the cross-flow of heat is avoided. By setting up the anti-corrosion layer one and the anti-corrosion layer two, the inside and outside of the U-shaped tube body can be well protected, thereby preventing the U-shaped tube body from being damaged due to corrosion due to long-term use, and by setting up the reinforcing tube, the strength of the U-shaped tube is made higher and it also has a heat insulation effect to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.
[0016] Figure 1 It is a structural schematic diagram of the utility model;
[0017] Figure 2 It is a schematic diagram of the internal structure of the utility model;
[0018] Figure 3 This is a schematic diagram of the structure of the U-shaped tube body in the utility model;
[0019] Figure 4 It is a structural schematic diagram of the baffle in the utility model;
[0020] Figure 5 It is a schematic diagram of the structure of the silicon carbide layer in the utility model.
[0021] In the figure:
[0022] 100-main body; 110-tube body; 111-support leg; 112-feed pipe; 113-discharge pipe; 114-connecting flange; 120-insulation; 121-pipe box; 122-butt flange; 123-liquid outlet pipe; 124-liquid inlet pipe; 125-air inlet mesh plate; 126-partition plate; 127-heat conduction mesh plate; 128-air diffuser fan;
[0023] 200-heat-conducting structure; 210-supporting member; 211-tube sheet; 212-sleeve plate; 213-sealing strip; 214-sealing pad; 220-heat-conducting member; 221-U-shaped tube body; 222-baffle; 223-through hole; 224-anti-impact plate; 225-silicon carbide layer; 226-anti-corrosion layer one; 227-reinforced tube; 228-anti-corrosion layer two. DETAILED DESCRIPTION
[0024] In order to make the purpose, technical solution and advantages of the implementation of the utility model clearer, the technical solution in the implementation of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation of the utility model. Obviously, the described implementation is a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0025] Example
[0026] See also Figure 1-5The utility model provides a novel non-sequential flow U-tube heat exchanger, including a body 100, the body 100 includes a tube body 110 and a heat insulating member 120, the heat insulating member 120 includes a tube box 121, the tube box 121 divides two partitions 126 into three areas, a docking flange 122 is fixed on one side of the tube box 121, a liquid outlet pipe 123 is fixed on the upper end of the tube box 121, the liquid outlet pipe 123 can flow out the cooling liquid after heat conduction, a liquid inlet pipe 124 is fixed on the lower end of the tube box 121, the liquid inlet pipe 124 can input new cooling liquid into the tube box 121, and an air inlet mesh plate 125 is fixed inside the tube box 121. The air intake mesh plate 125 can allow outside air to enter between the two partitions 126 and block debris from entering. A partition 126 is fixed inside the pipe box 121, and a heat-conducting mesh plate 127 is fixed at the bottom of the partition 126. Only the upper partition 126 has the heat-conducting mesh plate 127. There are many holes on the heat-conducting mesh plate 127. The heat on the partition 126 is conducted out through the heat-conducting mesh plate 127, thereby increasing the contact area with the air. Then, under the flow of air, it can be quickly cooled down. An air dispersion fan 128 is fixed at the bottom of the partition 126, and multiple air dispersion fans 128 are evenly distributed between the two partitions 126.
[0027] See also Figure 1-2 A support leg 111 and a discharge pipe 113 are fixed to one side of the tube body 110. The discharge pipe 113 can discharge the cooled material. A feed pipe 112 is fixed to the other side of the tube body 110. The feed pipe 112 can allow the material that needs to be cooled to flow into the inside of the tube body 110. A connecting flange 114 is fixed to the end of the tube body 110. The connecting flange 114 is bolted to the docking flange 122.
[0028] See also Figure 3-5A heat-conducting structure 200 is sleeved inside the tube body 110. The heat-conducting structure 200 includes a support member 210. The support member 210 includes a tube sheet 211. The tube sheet 211 is between the docking flange 122 and the connecting flange 114. A sleeve plate 212 is fixed on one side of the tube sheet 211. The outer diameter of the sleeve plate 212 is only slightly smaller than the inner diameter of the tube body 110. The sleeve plate 212 is sleeved inside the tube body 110. A sealing strip 213 is fixed on the other side of the tube sheet 211. A groove is provided on the sealing strip 213. A sealing gasket 214 is provided in the groove. A sealing gasket 214 is fixed inside the sealing strip 213. The sealing gasket 214 can fill the gap between the partition 126 and the sealing strip 213, thereby preventing the cooling liquid from flowing out of the tube box 121. A heat-conducting member 220 is fixed inside the tube sheet 211. The heat-conducting member 220 includes a U-shaped tube body 221. The U-shaped tube body 221 Fixed inside the sleeve plate 212, a baffle 222 is fixed on one side of the U-shaped tube body 221, the baffle 222 can slow down the fluid speed after cooling, a through hole 223 is opened on one side of the baffle 222, an anti-collision plate 224 is fixed on one side of the U-shaped tube body 221, the anti-collision plate 224 can prevent the fluid material rushing out of the feed pipe 112 from impacting the U-shaped tube body 221, a silicon carbide layer 225 is fixed on one side of the U-shaped tube body 221, the silicon carbide layer 225 has a good anti-corrosion and anti-rust effect, an anti-corrosion layer 1 226 is fixed on one side of the silicon carbide layer 225, the function of the anti-corrosion layer 1 226 and the anti-corrosion layer 2 228 is to prevent the U-shaped tube body 221 from rusting, a reinforcing tube 227 is fixed inside the U-shaped tube body 221, the reinforcing tube 227 plays a role in enhancing the strength of the U-shaped tube body 221, and an anti-corrosion layer 2 228 is fixed inside the reinforcing tube 227.
[0029] The working process of this utility model:
[0030] First, insert the heat-conducting structure 200 into the tube body 110. With the support of the sleeve plate 212 and the baffle plate 222, the U-shaped tube body 221 will not tilt significantly. Then, the heat-insulating member 120 is placed on the tube sheet 211, so that the partition plate 126 is inserted into the sealing strip 213 and squeezes the sealing gasket 214. At this time, the bolts are passed through the docking flange 122 and screwed into the connecting flange 114, so that the docking flange 122 and the connecting flange 114 tightly clamp the tube sheet 211, and the installation of the equipment is completed. Then, the cooling liquid is input into the tube box 121 through the liquid inlet pipe 124, and then the liquid enters the interior of each U-shaped tube body 221 through the tube box 121. Under the action of pressure, the liquid will pass through the U-shaped tube body 221 and re- It will flow back to the top of the pipe box 121. At the same time, the feed pipe 112 will introduce the material that needs to be cooled into the pipe body 110. The material will be limited and blocked by the baffle 222 and can be in contact with the U-tube body 221 for a long time, so that the cooling liquid in the U-tube body 221 will take away the heat. When the cooling liquid that takes away the heat enters the upper half of the pipe box 121, part of the heat will be guided by the partition 126. At this time, the air diffusion fan 128 will be started, so that the hot air emitted by the partition 126 can take away the heated air when the outside air enters between the two partitions 126 through the air inlet mesh plate 125, thereby preventing the upper partition 126 from conducting heat to the lower partition 126 through the air, and preventing the cooling liquid heat from flowing in series.
[0031] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A novel non-sequential flow U-tube heat exchanger, characterized in that: The heat insulating member (120) comprises a main body (100), wherein the main body (100) comprises a pipe body (110) and a heat insulating member (120), wherein the heat insulating member (120) comprises a pipe box (121), wherein a docking flange (122) is fixed to one side of the pipe box (121), wherein a liquid outlet pipe (123) is fixed to the upper end of the pipe box (121), wherein a liquid inlet pipe (124) is fixed to the lower end of the pipe box (121), wherein an air inlet mesh plate (125) is fixed inside the pipe box (121), wherein a partition plate (126) is fixed inside the pipe box (121), wherein a heat conducting mesh plate (127) is fixed to the bottom of the partition plate (126), and wherein a diffuser fan (128) is fixed to the bottom of the partition plate (126); A support leg (111) and a discharge pipe (113) are fixed to one side of the tube body (110), a feed pipe (112) is fixed to the other side of the tube body (110), a connection flange (114) is fixed to the end of the tube body (110), and the connection flange (114) is bolted to a docking flange (122); A heat-conducting structure (200) is sleeved inside the tube body (110), the heat-conducting structure (200) comprises a support member (210), the support member (210) comprises a tube sheet (211), a sleeve plate (212) is fixed on one side of the tube sheet (211), the sleeve plate (212) is sleeved inside the tube body (110), a sealing strip (213) is fixed on the other side of the tube sheet (211), and a sealing gasket (214) is fixed inside the sealing strip (213); A heat conducting member (220) is fixed inside the tube sheet (211), and the heat conducting member (220) comprises a U-shaped tube body (221). The U-shaped tube body (221) is fixed inside the sleeve plate (212), and a baffle (222) is fixed on one side of the U-shaped tube body (221), and a through hole (223) is opened on one side of the baffle (222).
2. A novel non-sequential flow U-tube heat exchanger according to claim 1, characterized in that: An anti-collision plate (224) is fixed on one side of the U-shaped tube body (221), a silicon carbide layer (225) is fixed on the other side of the U-shaped tube body (221), and an anti-corrosion layer 1 (226) is fixed on one side of the silicon carbide layer (225).
3. A novel non-sequential flow U-tube heat exchanger according to claim 1, characterized in that: A reinforcing tube (227) is fixed inside the U-shaped tube body (221), and a second anti-corrosion layer (228) is fixed inside the reinforcing tube (227).