Novel heat exchanger
By introducing auxiliary devices and baffles into the heat exchanger, the problem of uneven heat distribution in the U-shaped tube was solved, achieving uniform heating of edible oil and improving deodorization efficiency, thus enhancing product quality.
Patent Information
- Application Number
- CN202422880822.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-26
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-11-26
AI Technical Summary
In the process of edible oil refining, the U-shaped tubes of existing heat exchangers have uneven heat due to the uneven entry of high-temperature steam, which affects the deodorization efficiency and product quality.
An auxiliary device is used, including a ring block, a bracket, a spring, and a piston plate. High-temperature steam pushes the piston plate into the U-shaped tube evenly, ensuring that the contact temperature between each U-shaped tube and the cooking oil is consistent. A guide plate is used to accelerate the steam flow and improve the heat exchange efficiency.
It achieves uniform heating of cooking oil, improves deodorization efficiency and product quality, and avoids quality degradation caused by uneven temperature.
Smart Images

Figure CN223525622U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to heat exchanger technical field especially relates to a novel heat exchanger. BACKGROUND
[0002] The definition of heat exchanger is the equipment that transmits the heat of hot fluid to cold fluid, also called heat exchanger, in the oil refining process of edible oil, it is usually used for adjusting the oil to process parameters quickly in the deodorization link.
[0003] When using heat exchanger to adjust the oil temperature of deodorization link to process parameters quickly in the oil refining process of edible oil, the edible oil is usually passed through the inside of the first heat exchanger shell of oil inlet pipe, then high temperature steam is injected into the inside of the second heat exchanger shell from the air inlet pipe, under the block of the partition, enters the inside of several U-shaped pipes, heats the outer surface of U-shaped pipe, makes it exchange heat with the edible oil in the inside of the first heat exchanger shell, and the edible oil is processed by deodorization after being heated quickly, and the processed edible oil is discharged from the oil outlet pipe, and the high temperature steam after heat exchange is discharged from the air outlet pipe, when the steam enters the inside of the second heat exchanger shell, the U-shaped pipe close to the air inlet pipe will enter high temperature steam first, and the U-shaped pipe far away from the air inlet pipe will enter high temperature steam later, which leads to that the time of injecting high temperature steam into each U-shaped pipe is different, the heat generated is also different, and the heat exchange efficiency of the edible oil contacting with U-shaped pipe in different positions is also different, which affects the efficiency and effect of deodorization and reduces the product quality. CONTENT
[0004] The utility model aims at solving the shortcomings in the prior art and provides a novel heat exchanger.
[0005] In order to achieve the above object, the utility model discloses the following technical scheme: A novel heat exchanger, including first heat exchanger shell, second heat exchanger shell and several U-shaped tubes, first heat exchanger shell and second heat exchanger shell are detachable connection by means of bolt, the both ends of several U-shaped tubes are connected with the inner wall one side of first heat exchanger shell respectively, the outer surface of first heat exchanger shell is connected with oil inlet pipe, the outer surface of first heat exchanger shell is connected with oil outlet pipe, the outer surface of second heat exchanger shell is connected with air inlet pipe, the outer surface of second heat exchanger shell is connected with air outlet pipe, the inner wall of second heat exchanger shell is fixedly connected with the baffle between air inlet pipe and air outlet pipe, the side of baffle is in abutment with the side of first heat exchanger shell, the inner wall of one end of U-shaped tube near oil inlet pipe is provided with auxiliary device, the outer surface between the ring block of auxiliary device and the inner wall of U-shaped tube is provided with detachable device, the ring block is inserted in the inner wall of U-shaped tube, the inner wall of ring block is fixedly connected with support, one side of support is fixedly connected with spring, one end of spring is fixedly connected with piston plate, the outer surface size of piston plate is larger than the inner wall size of ring block and is in abutment with one side thereof.
[0006] The effect of the above component is that: by setting the auxiliary device, when the heat exchanger is used to quickly adjust the oil temperature of the deodorization link to the process parameters during the oil refining process of edible oil, the edible oil is usually passed through the inside of the first heat exchanger shell through the oil inlet pipe, then high-temperature steam is injected into the inside of the second heat exchanger shell from the air inlet pipe, under the block of the baffle, the high-temperature steam is retained in the chamber between the second heat exchanger shell and the air inlet pipe, when the injected steam reaches a certain value, the piston plate connected by the spring on one side of the ring block is uniformly pushed, the spring is stretched, and the high-temperature steam is uniformly injected into the inside of the several U-shaped tubes, the outer surface of the U-shaped tube is heated, the edible oil in the inside of the first heat exchanger shell is heat-exchanged, the edible oil is quickly heated for deodorization processing, the high-temperature steam is uniformly injected into the several U-shaped tubes through the auxiliary device, the edible oil in the inside of the first heat exchanger can be uniformly heated, the temperature of each U-shaped tube in contact with the edible oil is consistent, the deodorization efficiency and effect are avoided to be affected, the product quality is improved, and the processed edible oil is discharged from the oil outlet pipe, and the high-temperature steam after heat exchange is discharged from the air outlet pipe.
[0007] Preferably, one side of the piston plate is fixedly connected with a sealing ring block, and the inner wall size of the sealing ring block is larger than the inner wall size of the ring block.
[0008] The effect of the above component is that: by setting the sealing ring block, the gap between the ring block and the piston plate can be sealed and blocked, the sealing property of the piston plate is improved, and the two are tightly attached without external force.
[0009] Preferably, one side of the bracket is fixedly connected with a telescopic rod, one end of the telescopic rod is fixedly connected with one side of the piston plate, and the telescopic rod is connected with the spring sleeve.
[0010] The above component achieves the effect that the telescopic rod can support and reinforce the inner wall of the spring, so that the spring is not easy to be damaged during use and the service life is improved.
[0011] Preferably, the inner wall of the U-shaped pipe is fixedly connected with a plurality of guide plates, and the plurality of guide plates are fixed in the inner walls of the two ends of the U-shaped pipe in an inclined staggered manner.
[0012] The above component achieves the effect that the guide plates can prolong the flow speed of high-temperature steam inside the U-shaped pipe, facilitate full contact with edible oil, and improve the heat exchange effect.
[0013] Preferably, the detachable device comprises two clamping blocks, the outer surface of one end of the U-shaped pipe is symmetrically provided with a first clamping groove, the inner wall of the first clamping groove is symmetrically provided with a second clamping groove, the outer surface of the ring block is fixedly connected with a threaded rod in a symmetrical manner, one end of the threaded rod is inserted into the inner walls of the first clamping groove and the second clamping groove, the inner wall of the clamping block is sleeved on the outer surface of one end of the threaded rod, one side of the clamping block is rotatably connected with a threaded hole block, and the inner wall of the threaded hole block is threadedly connected with the outer surface of one end of the threaded rod.
[0014] The above component achieves the effect that when the ring block and the piston plate need to be replaced, the threaded hole block can be manually screwed on the threaded rod to a certain position, the clamping block is pulled out of the second clamping groove, and then the threaded rod is held and slid in the first clamping groove, so that the ring block can be detached from the inner wall of the U-shaped pipe, facilitating replacement and maintenance.
[0015] Preferably, the outer surface of the threaded hole block is in a hexagonal shape, and the threaded hole block is arranged on the side of the clamping block away from the ring block.
[0016] The above component achieves the effect that the threaded hole block is in a hexagonal shape, and the hexagonal shape has edges and corners, which facilitates manual gripping and screwing.
[0017] Preferably, one side of the threaded hole block is fixedly connected with a bearing, and the outer ring of the bearing is fixedly connected with one side of the clamping block.
[0018] The above component achieves the effect that the bearing can reduce the rotational wear between the threaded hole block and the clamping block, and improve the service life of the two.
[0019] Preferably, one side of the threaded rod is fixedly connected with a limiting block, and an outer surface size of the limiting block is larger than an inner size of the threaded hole block.
[0020] The effect achieved by the above components is that the threaded hole block and the clamping block are limited on the outer surface of the threaded rod, so that the threaded hole block and the clamping block are not easy to be lost.
[0021] Compared with the prior art, the utility model has the advantages and positive effects that:
[0022] In the utility model, when high-temperature steam is injected into the inside of the second heat exchanger shell from the air inlet pipe, the high-temperature steam is retained in the chamber between the second heat exchanger shell and the air inlet pipe under the blockage of the partition plate, when the injected steam reaches a certain value, the piston plate connected to the spring on one side of the annular block is uniformly pushed, the spring is stretched, the high-temperature steam is uniformly and synchronously injected into the inside of the U-shaped pipe, the outer surface of the U-shaped pipe is heated, the temperature of each U-shaped pipe in contact with the edible oil is consistent, the deodorization efficiency and effect are avoided from being affected, and the product quality is improved. BRIEF DESCRIPTION OF DRAWINGS
[0023] Figure 1 It is a three-dimensional structure schematic view of the utility model;
[0024] Figure 2 It is a three-dimensional structure schematic view of the annular block of the utility model;
[0025] Figure 3 It is a three-dimensional structure schematic view of the U-shaped pipe of the utility model;
[0026] Figure 4 It is Figure 3 It is a three-dimensional schematic view of the local structure.
[0027] Legend: 1, first heat exchanger shell; 2, auxiliary device; 3, detachable device; 4, oil inlet pipe; 5, oil outlet pipe; 6, U-shaped pipe; 7, second heat exchanger shell; 8, air inlet pipe; 9, air outlet pipe; 10, partition plate; 21, annular block; 22, support; 23, spring; 24, piston plate; 25, sealing ring block; 26, telescopic rod; 27, flow guide plate; 31, first clamping groove; 32, second clamping groove; 33, threaded rod; 34, clamping block; 35, threaded hole block; 36, bearing; 37, limiting block. DETAILED DESCRIPTION
[0028] Example 1, as Figures 1-4As shown, a new heat exchanger, comprising a first heat exchanger shell 1, a second heat exchanger shell 7 and a plurality of U-shaped tubes 6, the first heat exchanger shell 1 and the second heat exchanger shell 7 are detachably connected by bolts, the two ends of the plurality of U-shaped tubes 6 are respectively connected with the inner wall of the first heat exchanger shell 1, the outer surface of the first heat exchanger shell 1 is connected with an oil inlet pipe 4, the outer surface of the first heat exchanger shell 1 is connected with an oil outlet pipe 5, the outer surface of the second heat exchanger shell 7 is connected with an air inlet pipe 8, the outer surface of the second heat exchanger shell 7 is connected with an air outlet pipe 9, the inner wall of the second heat exchanger shell 7 is fixedly connected with a partition plate 10 between the air inlet pipe 8 and the air outlet pipe 9, one side of the partition plate 10 abuts one side of the first heat exchanger shell 1, the inner wall of the one end of the U-shaped tube 6 close to the oil inlet pipe 4 is provided with an auxiliary device 2, the auxiliary device 2 comprises a circular ring block 21, a detachable device 3 is arranged between the outer surface of the circular ring block 21 and the inner wall of the U-shaped tube 6, the circular ring block 21 is inserted in the inner wall of the U-shaped tube 6, the inner wall of the circular ring block 21 is fixedly connected with a bracket 22, one side of the bracket 22 is fixedly connected with a spring 23, one end of the spring 23 is fixedly connected with a piston plate 24, the outer surface size of the piston plate 24 is larger than the inner wall size of the circular ring block 21 and abuts one side thereof. In the process of using the heat exchanger to adjust the oil temperature of the deodorization link to the process parameters during the refining of edible oil, the edible oil is usually passed through the inside of the first heat exchanger shell 1 through the oil inlet pipe 4, and then high-temperature steam is injected into the inside of the second heat exchanger shell 7 from the air inlet pipe 8, under the block of the partition plate 10, the high-temperature steam will be retained in the chamber between the second heat exchanger shell 7 and the air inlet pipe 8, when the injected steam reaches a certain value, the piston plate 24 connected with one side of the circular ring block 21 by the spring 23 will be uniformly pushed, the spring 23 will be stretched, and the high-temperature steam will be uniformly and synchronously injected into the inside of the plurality of U-shaped tubes 6, the outer surface of the U-shaped tube 6 is heated, the edible oil in the first heat exchanger shell 1 is subjected to heat exchange treatment, the edible oil is rapidly heated for deodorization processing, the high-temperature steam is uniformly injected into the plurality of U-shaped tubes 6 through the auxiliary device 2, the edible oil in the first heat exchanger shell 1 is uniformly heated, the temperature of each U-shaped tube 6 in contact with the edible oil is consistent, the deodorization efficiency and effect are avoided to be affected, the product quality is improved, and the processed edible oil is discharged from the oil outlet pipe 5, and the high-temperature steam after heat exchange is discharged from the air outlet pipe 9.
[0029] Reference Figures 1-4As shown, the embodiment discloses that one side of the piston plate 24 is fixedly connected with the sealing ring block 25, and the inner wall size of the sealing ring block 25 is larger than that of the circular ring block 21. By arranging the sealing ring block 25, the gap between the circular ring block 21 and the piston plate 24 can be sealed and blocked, the sealing property of the piston plate 24 is improved, and the two are tightly attached without external force. One side of the support 22 is fixedly connected with the telescopic rod 26, one end of the telescopic rod 26 is fixedly connected with one side of the piston plate 24, and the telescopic rod 26 is connected with the spring 23 in a sleeved mode. By arranging the telescopic rod 26, the inner wall of the spring 23 can be supported and reinforced, so that the spring 23 is not easy to be damaged during use, and the service life is improved.
[0030] Referring to Figures 1-4 As shown, the embodiment discloses that the inner wall of the U-shaped pipe 6 is fixedly connected with a plurality of guide plates 27, and the plurality of guide plates 27 are fixedly arranged in the inner walls of the two ends of the U-shaped pipe 6 in an inclined staggered mode. By arranging the guide plates 27, the flow speed of the high-temperature steam in the U-shaped pipe 6 can be prolonged, so that the high-temperature steam can be fully contacted with the edible oil, and the heat exchange effect is improved.
[0031] Referring to Figures 1-4 As shown, the embodiment discloses that the detachable device 3 comprises two clamping blocks 34, the outer surface of one end of the U-shaped pipe 6 is symmetrically provided with a first clamping groove 31, the inner wall of the first clamping groove 31 is symmetrically provided with a second clamping groove 32, the outer surface of the circular ring block 21 is fixedly connected with a threaded rod 33 in a symmetrical mode, one end of the threaded rod 33 and the two ends of the clamping block 34 are respectively inserted into the inner walls of the first clamping groove 31 and the second clamping groove 32, the inner wall of the clamping block 34 is sleeved on the outer surface of one end of the threaded rod 33, one side of the clamping block 34 is rotatably connected with a threaded hole block 35, and the inner wall of the threaded hole block 35 is threadedly connected with the outer surface of one end of the threaded rod 33. When the circular ring block 21 and the piston plate 24 need to be replaced, the threaded hole block 35 can be manually screwed on the threaded rod 33 to a certain position at one end, the clamping block 34 is pulled out of the second clamping groove 32, and then the threaded rod 33 is held and slid in the first clamping groove 31 at one end, so that the circular ring block 21 can be detached from the inner wall of the U-shaped pipe 6, and the circular ring block 21 can be replaced and maintained.
[0032] Referring to Figures 1-4As shown, the embodiment discloses that the outer surface of the screw hole block 35 is hexagonal in cross section, and the screw hole block 35 is arranged on the side of the clamping block 34 away from the circular ring block 21. By arranging the screw hole block 35 in a hexagonal shape, the hexagon has edges, which facilitates manual gripping and facilitates screwing. One side of the screw hole block 35 is fixedly connected with a bearing 36, and the outer ring of the bearing 36 is fixedly connected with one side of the clamping block 34. By arranging the bearing 36, the rotating wear between the screw hole block 35 and the clamping block 34 can be reduced, and the service life of the two can be improved. One side of the threaded rod 33 is fixedly connected with a limiting block 37, and the outer surface size of the limiting block 37 is larger than the inner size of the screw hole block 35. By arranging the limiting block 37, the screw hole block 35 and the clamping block 34 can be limited on the outer surface of the threaded rod 33, so that they are not easy to lose.
[0033] When the oil temperature of the deodorization link is rapidly adjusted to the process parameter during the refining process of the edible oil, the edible oil is usually passed through the inside of the first heat exchanger shell 1 of the oil inlet pipe 4, and then the high-temperature steam is injected from the gas inlet pipe 8 into the inside of the second heat exchanger shell 7. Under the blockage of the partition plate 10, the high-temperature steam will be retained in the chamber between the second heat exchanger shell 7 and the gas inlet pipe 8. When the injected steam reaches a certain value, it will uniformly push the piston plate 24 connected by the spring 23 on one side of the circular ring block 21, stretch the spring 23, and uniformly and synchronously enter the inside of the plurality of U-shaped pipes 6. The plurality of U-shaped pipes 6 are fixedly connected with a plurality of guide plates 27 inside the U-shaped pipes 6, which can prolong the flow speed of the high-temperature steam in the U-shaped pipes 6, facilitate full contact with the edible oil, improve the heat exchange effect, and heat exchange with the edible oil in the first heat exchanger shell 1. The high-temperature steam is uniformly injected into the plurality of U-shaped pipes 6 through the auxiliary device 2, which can uniformly heat the edible oil in the first heat exchanger, so that the temperature of each U-shaped pipe 6 in contact with the edible oil is consistent, avoiding affecting the deodorization efficiency and effect, improving the product quality, and the processed edible oil is discharged from the oil outlet pipe 5, and the high-temperature steam after heat exchange is discharged from the gas outlet pipe 9.
[0034] When the circular ring block 21 and the piston plate 24 need to be replaced, the screw hole block 35 can be manually screwed on the threaded rod 33 to a certain position at one end, the clamping block 34 is pulled out of the second clamping groove 32, and then the threaded rod 33 is held and slid in the first clamping groove 31 at one end, so that the circular ring block 21 can be detached from the inner wall of the U-shaped pipe 6, facilitating replacement and maintenance.
Claims
1. A new heat exchanger comprising a first heat exchanger shell (1), a second heat exchanger shell (7) and a number of U-tubes (6), characterized in that: The first heat exchanger shell (1) and the second heat exchanger shell (7) are detachably connected by bolts, both ends of the plurality of U-shaped tubes (6) are respectively connected with one side of the inner wall of the first heat exchanger shell (1), the outer surface of the first heat exchanger shell (1) is connected with the oil inlet pipe (4), the outer surface of the first heat exchanger shell (1) is connected with the oil outlet pipe (5), the outer surface of the second heat exchanger shell (7) is connected with the air inlet pipe (8), the outer surface of the second heat exchanger shell (7) is connected with the air outlet pipe (9), the inner wall of the second heat exchanger shell (7) is fixedly connected with the partition plate (10) between the air inlet pipe (8) and the air outlet pipe (9), one side of the partition plate (10) abuts against one side of the first heat exchanger shell (1), the inner wall of one end of the U-shaped tube (6) close to the oil inlet pipe (4) is provided with an auxiliary device (2), the auxiliary device (2) comprises a circular ring block (21), a detachable device (3) is arranged between the outer surface of the circular ring block (21) and the inner wall of the U-shaped tube (6), the circular ring block (21) is inserted into the inner wall of the U-shaped tube (6), the inner wall of the circular ring block (21) is fixedly connected with a support (22), one side of the support (22) is fixedly connected with a spring (23), one end of the spring (23) is fixedly connected with a piston plate (24), the outer surface size of the piston plate (24) is larger than the inner wall size of the circular ring block (21) and abuts against one side thereof.
2. A novel heat exchanger as claimed in claim 1, wherein: One side of the piston plate (24) is fixedly connected with a sealing ring block (25), the inner wall size of the sealing ring block (25) is larger than the inner wall size of the circular ring block (21).
3. A novel heat exchanger as claimed in claim 1, wherein: One side of the support (22) is fixedly connected with a telescopic rod (26), one end of the telescopic rod (26) is fixedly connected with one side of the piston plate (24), the telescopic rod (26) is sleeved with the spring (23).
4. A novel heat exchanger as claimed in claim 1, wherein: The inner wall of the U-shaped tube (6) is fixedly connected with a plurality of guide plates (27), the plurality of guide plates (27) are fixed in the inner wall of both ends of the U-shaped tube (6) in an inclined staggered manner.
5. A novel heat exchanger as claimed in claim 1, wherein: The detachable device (3) comprises two clamping blocks (34), the outer surface of one end of the U-shaped tube (6) is symmetrically provided with a first clamping groove (31), the inner wall of the first clamping groove (31) is symmetrically provided with a second clamping groove (32), the outer surface of the circular ring block (21) is fixedly connected with a threaded rod (33) in a symmetrical manner, one end of the threaded rod (33) and both ends of the clamping block (34) are respectively inserted into the inner walls of the first clamping groove (31) and the second clamping groove (32), the inner wall of the clamping block (34) is sleeved on the outer surface of one end of the threaded rod (33), one side of the clamping block (34) is rotatably connected with a threaded hole block (35), the inner wall of the threaded hole block (35) is threadedly connected with the outer surface of one end of the threaded rod (33).
6. A novel heat exchanger as claimed in claim 5, wherein: The outer surface of the threaded hole block (35) is hexagonal in cross section, and the threaded hole block (35) is arranged on one side of the clamping block (34) away from the circular ring block (21).
7. A novel heat exchanger as claimed in claim 5, wherein: One side of the screw hole block (35) is fixedly connected with a bearing (36), and the outer ring of the bearing (36) is fixedly connected with one side of the clamping block (34).
8. A novel heat exchanger as claimed in claim 5, wherein: One side of the threaded rod (33) is fixedly connected with a limiting block (37), and the outer surface size of the limiting block (37) is larger than the inner size of the screw hole block (35).