Efficient energy-saving chemical heat exchanger
By employing three parallel heat medium pipes and switching components in the chemical heat exchanger, independent flow and uniform distribution of multiple heat media are achieved, solving the problem of traditional heat exchangers requiring multiple devices, improving the flexibility and heat exchange efficiency of the equipment, and reducing costs and energy losses.
Patent Information
- Application Number
- CN202422906250.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-27
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2034-11-27
AI Technical Summary
Traditional shell-and-tube heat exchangers require multiple independent heat exchangers when handling various heat media, which increases equipment investment costs and complexity, and also results in energy loss during the heat transfer process.
Design a high-efficiency and energy-saving chemical heat exchanger, which uses three parallel heat medium pipes and a switching component. The switching component adjusts the heat medium channel to achieve independent flow and heat exchange of multiple heat media within a single device, avoiding mixing of heat media. Vacuum jacket insulation and flow guide plates are used to promote uniform distribution of heat media.
It improves the flexibility and responsiveness of the production line, reduces equipment costs and energy losses, ensures product quality and process stability, and enhances heat exchange efficiency and energy utilization.
Smart Images
Figure CN223726908U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to heat exchanger technical field especially relates to a high -efficient energy -conserving type chemical heat exchanger. BACKGROUND
[0002] In the industrial production process, heat exchanger as a kind of key heat transfer equipment, is widely used in various process systems, to realize the effective transfer and utilization of heat. Among them, tube shell heat exchanger with its compact structure, high heat transfer efficiency, strong adaptability and other characteristics, become the preferred in many industries. However, the traditional tube shell heat exchanger design usually only includes a shell and a tube bundle, this design when responding to the heat exchange demand between multiple different heat medium, show its limitations.
[0003] Specifically, in chemical production process, there are often multiple heat medium needs heat recovery, when needing to handle multiple different heat medium for heat exchange, due to the limitation of traditional heat exchanger structure, usually only multiple independent heat exchangers are used respectively, this method not only increases equipment investment cost, occupies more production space, and in actual operation process, the operation and management of multiple heat exchangers also bring additional complexity, the use of multiple heat exchangers can also lead to increased energy loss in heat transfer process, reduces the heat efficiency of the whole system.
[0004] Therefore, we propose a kind of high -efficient energy -conserving type chemical heat exchanger to solve the above problems. INVENTION CONTENTS
[0005] The utility model aims at solving the prior art, handles multiple different heat medium for heat exchange, only multiple independent heat exchangers are used respectively, increases equipment investment cost's problem, and proposes a kind of high -efficient energy -conserving type chemical heat exchanger.
[0006] In order to achieve the above object, the utility model adopts the following technical scheme:
[0007] A kind of high -efficient energy -conserving type chemical heat exchanger, including cylindrical closed shell, the shell two ends are respectively equipped with refrigerant inlet pipe and refrigerant outlet pipe, the shell is provided with three heat medium pipes for heat medium flow, three the heat medium pipe is arranged along the shell axial direction and is parallel, the shell and heat medium pipe form the refrigerant chamber for refrigerant flow between them, the shell both ends are provided with connecting barrel, three the heat medium pipe end extends out of shell and is connected in connecting barrel, the connecting barrel is provided with switching assembly, different heat medium medium can be made to flow independently by switching assembly.
[0008] Preferably, the switching assembly comprises a switching column axially and sealingly slidingly arranged in the connecting cylinder, the switching column is axially and equidistantly provided with a first channel, a second channel and a third channel, the first channel, the second channel and the third channel are each provided with three ports capable of being communicated with the end of the heat medium pipe, wherein the three ports of the first channel are communicated with each other to form a three-way, two ports of the second channel are communicated with each other to form a two-way, and the other port is independently formed into a single one, the three ports of the third channel are each independently formed into three single twos, and the switching column is provided at the end with a first connecting pipe, a second connecting pipe and a third connecting pipe for connecting the heat medium connecting pipe, the first connecting pipe penetrates the single twos, the single one and the three-way, the second connecting pipe penetrates the other single two and the two-way, and the third connecting pipe penetrates the last single two.
[0009] Preferably, the outer end of the connecting cylinder is provided with a threaded ring, and a threaded rod is threadedly connected in the threaded ring and rotationally connected with the end of the switching column.
[0010] Preferably, a limiting groove is formed in the outer circumferential surface of the switching column, and a limiting strip matched with the limiting groove is arranged on the inner wall of the connecting cylinder.
[0011] Preferably, the spacing of the first channel, the second channel and the third channel is greater than the diameter of the port.
[0012] Preferably, the shell has a vacuum interlayer.
[0013] Preferably, a plurality of guide vanes twisted by 90° are arranged in the heat medium pipe, the spiral directions of the adjacent two guide vanes are opposite, and the end faces are arranged vertically.
[0014] In summary, the technical effects and advantages of the utility model are as follows: the high-efficiency energy-saving type chemical heat exchanger can easily switch different heat medium channel configurations by adjusting the position of the switching column in the connecting cylinder, meets the heat exchange requirements from single heat medium to three different heat media under the premise of ensuring full load operation of the heat exchanger, greatly improves the flexibility and response speed of the production line, ensures that the heat media will not be mixed in different heat medium use scenarios, effectively prevents pollution problems caused by incompatible heat media, guarantees product quality and process stability, realizes the heat exchange function of multiple heat media through a single device, avoids high equipment cost and space occupation caused by using multiple independent heat exchangers, reduces overall investment and maintenance cost, reduces energy loss in the heat transfer process, and improves heat exchange efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a whole structure schematic view of the utility model.
[0016] Figure 2 It is the structure schematic drawing of heat medium pipe in the utility model;
[0017] Figure 3 It is the structure schematic drawing of switching assembly in the utility model;
[0018] Figure 4 It is the explosion structure schematic drawing of switching column in the utility model.
[0019] In the drawing: 1, shell; 11, vacuum interlayer; 2, heat medium pipe; 21, guide vane; 3, connecting cylinder; 31, switching column; 311, first channel; 312, second channel; 313, third channel; 32, first connecting pipe; 33, second connecting pipe; 34, third connecting pipe; 35, threaded ring; 36, threaded rod. DETAILED DESCRIPTION
[0020] In order to better understand the above technical solutions, the above technical solutions will be described in detail in the following with reference to the drawings and specific embodiments of the specification.
[0021] Referring to Figures 1-3 A kind of high-efficiency energy-saving chemical heat exchanger, including cylindrical closed shell 1, shell 1 two ends are equipped with refrigerant inlet pipe and refrigerant outlet pipe respectively, refrigerant is input by refrigerant inlet pipe, is discharged by refrigerant outlet pipe, refrigerant realizes heat exchange in shell 1, realizes temperature rise, and refrigerant common medium is cold water, can be used for other industrial purposes after heating, save energy, shell 1 is provided with three heat medium pipes 2 for heat medium flow, three heat medium pipes 2 are arranged along the axis of shell 1 and parallel to each other, shell 1 and heat medium pipe 2 form refrigerant chamber for refrigerant flow between them, heat medium flows through heat medium pipe 2, and heat exchange is carried out between heat medium pipe 2 and the refrigerant in refrigerant chamber, realizes heat recovery.
[0022] Shell 1 has vacuum interlayer 11, and the shell 1 can be heat-insulated by the vacuum interlayer 11, so as to reduce the energy loss in the heat exchange process.
[0023] A plurality of guide vanes 21 are arranged in the heat medium pipe 2, the adjacent two guide vanes 21 are opposite in spiral direction and the end faces are perpendicular, the heat medium is guided to twist by 90° for multiple times in the flow process by the layout of the guide vanes 21, the self-mixing under the condition of no power is realized, the uniform distribution of the internal temperature and concentration of the heat medium is effectively promoted, the formation of the thermal boundary layer and the concentration boundary layer is reduced, and the heat exchange efficiency is significantly improved.
[0024] The shell 1 is provided with a connecting barrel 3 at both ends, three heat medium pipes 2 extend out of the shell 1 and are connected to the connecting barrel 3, a switching assembly is arranged in the connecting barrel 3, different heat medium media can be independently circulated through the switching assembly, by adjusting the position of the switching column 31 in the connecting barrel 3, different heat medium channel configurations can be easily switched, on the premise of ensuring full load operation of the heat exchanger, the heat exchange requirements from single heat medium to three different heat media are met, without the need to replace or add additional equipment, the flexibility and response speed of the production line are greatly improved, it is ensured that the heat media will not be mixed in different heat medium use scenarios, the pollution problem caused by incompatible heat media is effectively prevented, and the product quality and process stability are ensured.
[0025] Referring to Figures 1-4 Specifically, the switching assembly includes a switching column 31 which is axially and sealingly slidably arranged in the connecting barrel 3, the switching column 31 has a first channel 311, a second channel 312 and a third channel 313 which are equidistantly distributed along the axis, the first channel 311, the second channel 312 and the third channel 313 each have three ports which can be communicated with the end portions of the heat medium pipes 2, by changing the position of the switching column 31, the end portions of the heat medium pipes 2 can be communicated with one of the first channel 311, the second channel 312 and the third channel 313, when one of the first channel 311, the second channel 312 and the third channel 313 is communicated, the other two are in a closed state.
[0026] Among them, the three ports of the first channel 311 are communicated to form a three-way, two ports of the second channel 312 are communicated to form a two-way, and the other port is independently formed as a single one, the three ports of the third channel 313 are independently formed as three single twos, the end portion of the switching column 31 is provided with a first connecting pipe 32, a second connecting pipe 33 and a third connecting pipe 34 for connecting heat medium connecting pipes, the first connecting pipe 32 penetrates the single two, the single one and the three-way, the second connecting pipe 33 penetrates the other single two and the two-way, and the third connecting pipe 34 penetrates the last single two.
[0027] Specifically, if there is only one kind of heat medium, the switching column 31 is adjusted to be communicated with the end portions of the heat medium pipes 2, the second channel 312 and the third channel 313 are closed, the input pipe of the heat medium is connected to the first connecting pipe 32, and the heat medium is directly input into the three-way, so that the heat medium is injected into the three heat medium pipes 2 for heat exchange.
[0028] When there are two kinds of heat medium, the switching column 31 is adjusted to the second channel 312 in communication with the end of the heat medium pipe 2, the first channel 311 and the third channel 313 are closed, the input pipes of the two kinds of heat medium are connected to the first connecting pipe 32 and the second connecting pipe 33 respectively, and the heat medium is input into the double-pass and single-pass one respectively, wherein the heat medium connected to the first connecting pipe 32 is input into two heat medium pipes 2, and the heat medium connected to the second connecting pipe 33 is input into one single heat medium pipe 2, so that the two kinds of heat medium can run at full load without mutual pollution between the two kinds of heat medium;
[0029] When there are three kinds of heat medium, the switching column 31 is adjusted to the third channel 313 in communication with the end of the heat medium pipe 2, the first channel 311 and the second channel 312 are closed, the input pipes of the three kinds of heat medium are connected to the first connecting pipe 32, the second connecting pipe 33 and the third connecting pipe 34 respectively, and the heat medium is input into three single-pass two respectively, and the three kinds of heat medium are input into different heat medium pipes 2, so that the three kinds of heat medium can run at full load without mutual pollution between the three kinds of heat medium.
[0030] The outer end of the connecting cylinder 3 is provided with a threaded ring 35, the threaded ring 35 is internally threaded with a threaded rod 36, the threaded rod 36 is rotationally connected with the end of the switching column 31, the threaded rod 36 is axially displaced by rotating the threaded rod 36, thereby driving the switching column 31 to move, thereby changing the state of the first channel 311, the second channel 312 and the third channel 313 in communication with the end of the heat medium pipe 2.
[0031] The outer circumferential surface of the switching column 31 is provided with a limiting groove, and the inner wall of the connecting cylinder 3 is provided with a limiting strip matched with the limiting groove, the movement of the switching column 31 is limited by the limiting groove and the limiting strip, so that the switching column 31 does not deflect during the rotation adjustment of the threaded rod 36, which is beneficial to the stability of the switching column 31 during displacement and the accuracy of the port of the first channel 311, the second channel 312 and the third channel 313 in communication with the end of the heat medium pipe 2.
[0032] The distance between the first channel 311, the second channel 312 and the third channel 313 is greater than the diameter of the port, so that the first channel 311, the second channel 312 and the third channel 313 do not simultaneously communicate with the end of the heat medium pipe 2 during switching communication, so as to prevent the mixing and pollution of the heat medium.
[0033] Working principle:
[0034] In use, the switching column 31 is adjusted according to the type of heat medium required for heat exchange, the switching components at the input and output ends of the heat medium pipe 2 are kept synchronous, different types of heat medium adapt to different working states of the switching column 31, so that multiple heat medium can run at full load without mutual pollution between the heat medium;
[0035] The refrigerant is input through the refrigerant inlet pipe and discharged through the refrigerant outlet pipe, the heat medium flows through the heat medium pipe 2, exchanges heat with the refrigerant in the refrigerant chamber through the heat medium pipe 2 and the refrigerant chamber, realizes heat energy recovery, and is guided to twist for multiple times of 90° during the flow process, realizes self-mixing under the condition of no power, and effectively promotes the uniform distribution of the internal temperature and concentration of the heat medium.
Claims
1. A high-efficiency energy-saving chemical heat exchanger, comprising a cylindrical closed shell (1), said shell (1) being provided with a cold medium inlet pipe and a cold medium outlet pipe at both ends, respectively, characterized in that, The shell (1) is provided with three heat medium pipes (2) for flowing heat medium, the three heat medium pipes (2) are arranged axially along the shell (1) and are parallel to each other, a refrigerant chamber for flowing refrigerant is formed between the shell (1) and the heat medium pipes (2), the shell (1) is provided with a connecting barrel (3) at both ends, the end portions of the three heat medium pipes (2) extend out of the shell (1) and are connected to the connecting barrel (3), the connecting barrel (3) is provided with a switching assembly, and different heat medium media can be independently circulated through the switching assembly.
2. The high-efficiency energy-saving chemical heat exchanger according to claim 1, characterized in that, The switching assembly comprises a switching column (31) which is arranged axially and sealingly in the connecting barrel (3), the switching column (31) is provided with a first channel (311), a second channel (312) and a third channel (313) which are equidistantly distributed along the axis, the first channel (311), the second channel (312) and the third channel (313) each have three ports which can be communicated with the end portions of the heat medium pipes (2), wherein the three ports of the first channel (311) are communicated with each other to form a three-way port, two ports of the second channel (312) are communicated with each other to form a two-way port, and the other port is independently formed as a single-way port one, the three ports of the third channel (313) are each independently formed as a single-way port two, the switching column (31) is provided at the end portion with a first connecting pipe (32), a second connecting pipe (33) and a third connecting pipe (34) for connecting heat medium pipes, the first connecting pipe (32) penetrates the single-way port two, the single-way port one and the three-way port, the second connecting pipe (33) penetrates the other single-way port two and the two-way port, and the third connecting pipe (34) penetrates the last single-way port two.
3. The energy-efficient chemical heat exchanger of claim 2, wherein, The connecting barrel (3) is provided at the outer end with a threaded ring (35), the threaded ring (35) is internally threadedly connected with a threaded rod (36), and the threaded rod (36) is rotationally connected with the end portion of the switching column (31).
4. The energy-efficient chemical heat exchanger of claim 2, wherein, A limiting groove is formed in the outer circumferential surface of the switching column (31), and a limiting strip which is matched with the limiting groove is arranged on the inner wall of the connecting barrel (3).
5. The energy-efficient chemical heat exchanger of claim 2, wherein The spacing between the first channel (311), the second channel (312) and the third channel (313) is greater than the diameter of the port.
6. The energy efficient chemical heat exchanger as claimed in claim 1, wherein, The shell (1) has a vacuum interlayer (11).
7. The energy efficient chemical heat exchanger as claimed in claim 1, wherein, The heat medium pipe (2) is provided with a plurality of guide vanes (21) which are twisted by 90°, the spiral directions of the adjacent two guide vanes (21) are opposite, and the end faces are arranged perpendicularly.