CN213238545U - Heat exchanger capable of automatically controlling internal heating - Google Patents
Heat exchanger capable of automatically controlling internal heating Download PDFInfo
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- CN213238545U CN213238545U CN202021700293.1U CN202021700293U CN213238545U CN 213238545 U CN213238545 U CN 213238545U CN 202021700293 U CN202021700293 U CN 202021700293U CN 213238545 U CN213238545 U CN 213238545U
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- internal heating
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Abstract
A heat exchanger with automatically controllable internal heating, comprising: the heat exchanger comprises a heat exchanger end socket, a cold material inlet, a flange sealing assembly, a heat exchanger barrel, a material heat exchange tube bundle, a steam heat exchange tube, a high-boiling-point material outlet, a sealing connecting piece, a joint, a valve, a steam hose, a connecting flange, a controller, a steam outlet, a cold material outlet, a temperature sensor and a high-boiling-point material inlet. The utility model has the advantages of it is following: the steam heat exchange pipeline is additionally arranged in the device, so that the problem that the heat exchanger is difficult to operate again due to the fact that the heat exchange medium is crystallized or condensed in the heat exchanger when the heat exchanger is stopped and the temperature of the heat exchange medium is reduced is solved. The steam pipeline is fixed on the heat exchanger sealing head through the sealing connecting piece, and the connecting structure is convenient for the disassembly, cleaning and maintenance of the heat exchanger. By additionally arranging the automatic control device, the automatic control of the flow of the hot steam is realized, and manpower and material resources are greatly saved.
Description
Technical Field
The utility model relates to a heat exchanger, concretely relates to but heat exchanger of automatic control internal heating.
Background
The heat exchanger is a device for transferring part of heat of hot fluid to cold fluid, and is also called as a heat exchanger. The heat exchanger plays an important role in chemical industry, petroleum industry, power industry, food industry and other industrial production, and can be used as a heater, a cooler, a condenser, an evaporator, a reboiler and the like in chemical industry production.
However, in some heat exchangers with high viscosity, high boiling point and easy crystallization of the heat exchange medium, especially in winter, the temperature of the heat exchange medium is reduced after the heat exchanger is shut down due to low outside temperature, so that the heat exchange medium is crystallized and condensed in the heat exchanger. The crystallization of the high boiling point heat exchange medium can block the shell pass of the heat exchanger, influence the rerun of the heat exchanger and cause serious influence on the whole chemical production process. At present, the method for heating the outside of the heat exchanger is mainly adopted to recover the high-boiling-point heat exchange medium to be in a liquid state, so that the method is time-consuming and labor-consuming, and can damage the shell of the heat exchanger.
SUMMERY OF THE UTILITY MODEL
For solving current heat exchanger when parking, the defect of high boiling point heat transfer medium crystallization, condensation in the heat exchanger, the utility model aims to provide a but heat exchanger of automatic control internal heating.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a heat exchanger with automatically controllable internal heating, comprising: the heat exchanger comprises a heat exchanger end enclosure 1, a cold material inlet 2, a flange sealing assembly 3, a heat exchanger barrel 4, a material heat exchange tube bundle 5, a steam heat exchange tube 6, a high boiling point material outlet 7, a sealing connecting piece 8, a connector 9, a valve 10, a steam hose 11, a connecting flange 12, a controller 13, a steam outlet 14, a cold material outlet 15, a temperature sensor 16 and a high boiling point material inlet 17.
The heat exchanger end socket 1 and the heat exchanger cylinder 4 are connected through the flange sealing component 3 to form an outer shell of the heat exchanger.
The cold material inlet 2 is located on the left side of the upper end of the heat exchanger, the cold material outlet 15 is located on the right side of the lower end of the heat exchanger, and the cold material inlet 2 and the cold material outlet 15 are connected with the material heat exchange tube bundle 5 to form a heat exchange pipeline for cold materials.
The high boiling point material outlet 7 is positioned on the right side of the upper end of the heat exchanger, the high boiling point material inlet 17 is positioned on the left side of the lower end of the heat exchanger, and a high boiling point heat exchange medium enters the heat exchanger through the high boiling point material inlet 17 and flows out of the heat exchanger through the shell pass of the heat exchanger through the high boiling point material outlet 7.
One end of the valve 10 is connected with the joint 9, the other end of the valve is connected with the steam hose 11, and the steam hose 11 is connected with the steam heat exchange tube 6 through the connecting flange 12; the steam hose 11 is fixed on the heat exchanger end socket 1 by the sealing connecting piece 8; the joint 9, the valve 10, the steam hose 11, the sealing connecting piece 8, the connecting flange 12, the steam heat exchange pipe 6 and the steam outlet 14 form a hot steam internal heating unit.
The temperature sensor 16 is distributed at the lower end of the heat exchanger barrel 4, the controller 13 is respectively connected with the temperature sensor 16 and the valve 10 through data signal lines, the valve 10 is a regulating valve, the valve 10, the controller 13 and the temperature sensor 16 jointly form a hot steam flow automatic control unit, and the controller 13 is a programmable logic controller.
Compared with the prior heat exchanger, the utility model has the advantages of it is following.
1. The utility model relates to a heat exchanger capable of automatically controlling internal heating, which is characterized in that a steam hose 11 inside the heat exchanger is connected with a steam heat exchange pipe 6 to form a steam heat exchange pipeline, so that a high boiling point heat exchange medium in the heat exchanger can be heated, the phenomenon that the high boiling point heat exchange medium is crystallized or condensed in the heat exchanger due to the shutdown of the heat exchanger to cause the blockage of a shell pass of the heat exchanger is avoided, and the problem that the heat exchanger is difficult to operate again is solved; meanwhile, the shell of the heat exchanger cannot be damaged by an internal heating mode.
2. The utility model relates to a but heat exchanger of automatic control internal heating fixes the steam hose on heat exchanger head 1 through sealing connection 8 to be connected through sealing connection 8 and outside steam piping, this connection structure dismantles simply, is convenient for change, wash and maintain the thermal current body in the casing.
3. The utility model relates to a but heat exchanger of automatic control internal heating constitutes hot steam flow automatic control unit through valve 10, controller 13 and temperature sensor 16, can be according to the required automatic control flow of heating hot steam, can save the steam quantity again when reaching heating high boiling heat transfer medium, reduction in production cost.
Drawings
Fig. 1 is a front view of the heat exchanger of the present invention capable of automatically controlling internal heating.
Fig. 2 is the utility model discloses a but inside heat exchange tube bundle distribution diagram of automatic control internal heating's heat exchanger.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.
In the description of the present invention, it should be noted that the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top", "bottom", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, the utility model provides a but heat exchanger of automatic control internal heating, include: the heat exchanger comprises a heat exchanger end enclosure 1, a cold material inlet 2, a flange sealing assembly 3, a heat exchanger barrel 4, a material heat exchange tube bundle 5, a steam heat exchange tube 6, a high boiling point material outlet 7, a sealing connecting piece 8, a connector 9, a valve 10, a steam hose 11, a connecting flange 12, a controller 13, a steam outlet 14, a cold material outlet 15, a temperature sensor 16 and a high boiling point material inlet 17.
The heat exchanger end socket 1 and the heat exchanger cylinder 4 are connected through the flange sealing component 3 to form an outer shell of the heat exchanger.
The cold material inlet 2 is located on the left side of the upper end of the heat exchanger, the cold material outlet 15 is located on the right side of the lower end of the heat exchanger, and the cold material inlet 2 and the cold material outlet 15 are connected with the material heat exchange tube bundle 5 to form a heat exchange pipeline for cold materials.
The high boiling point material outlet 7 is positioned on the right side of the upper end of the heat exchanger, the high boiling point material inlet 17 is positioned on the left side of the lower end of the heat exchanger, and a high boiling point heat exchange medium enters the heat exchanger through the high boiling point material inlet 17 and flows out of the heat exchanger through the shell pass of the heat exchanger through the high boiling point material outlet 7.
One end of the valve 10 is connected with the joint 9, the other end of the valve is connected with the steam hose 11, and the steam hose 11 is connected with the steam heat exchange tube 6 through the connecting flange 12; the steam hose 11 is fixed on the heat exchanger end socket 1 by the sealing connecting piece 8, so that the sealing between the steam hose and the heat exchanger end socket is ensured to be complete; the joint 9, the valve 10, the steam hose 11, the sealing connecting piece 8, the connecting flange 12, the steam heat exchange pipe 6 and the steam outlet 14 form a hot steam internal heating unit. Hot steam enters the heat exchanger through a joint 9 at the upper end of the heat exchanger and flows out of the heat exchanger through a valve 10, a steam hose 11, a steam heat exchange pipe 6 and a steam outlet 14. The high boiling point heat exchange medium in the heat exchanger is heated by the hot steam before the heat exchanger operates again, so that the crystallization or condensation of the high boiling point heat exchange medium in the heat exchanger can be avoided, and the smooth operation of the heat exchanger can be ensured.
The controller 13 is respectively connected with the temperature sensor 16 and the valve 10 through data signal lines, and the valve 10, the controller 13 and the temperature sensor 16 jointly form a hot steam flow automatic control unit; the temperature sensors 16 are distributed at the lower end of the heat exchanger barrel 4, temperature information of a high-boiling-point heat exchange medium is obtained through the temperature sensors 16 and is transmitted to the controller 13 through a data signal line, the controller 13 calculates the flow of hot steam required for heating the high-boiling-point heat exchange medium according to a preset program, and then the opening of the valve 10 is controlled, so that the required flow of the hot steam is obtained, the valve 10 is an adjusting valve, the whole process is automatically completed, and manpower and material resources are greatly saved.
The utility model relates to a but heat exchanger working process of automatic control internal heating as follows: before the heat exchanger starts to work, the high-boiling-point heat exchange medium in the heat exchanger is in a crystallization or solidification state due to the reduction of the external temperature. Firstly, introducing a strand of hot steam through a joint 9 at the upper end of the heat exchanger, introducing the hot steam into the heat exchanger through a valve 10, a steam hose 11 and a steam heat exchange tube 6, and finally allowing the hot steam to flow out of the heat exchanger through a steam outlet 14, wherein the strand of hot steam heats a high-boiling-point heat exchange medium in the heat exchanger before the heat exchanger operates again to enable the high-boiling-point heat exchange medium to be in a liquid state; meanwhile, the controller 13 obtains temperature information of the high boiling point heat exchange medium through the temperature sensor 16, calculates a flow rate of hot steam required for heating the high boiling point heat exchange medium according to a preset program, and then controls the opening degree of the valve 10, so as to obtain the required flow rate of the hot steam; after the temperature, viscosity and fluidity of the high boiling point heat exchange medium meet the process requirements, the valve 10 is closed to stop heating by hot steam, and meanwhile, the external high boiling point heat exchange medium and the cold material are respectively connected into the high boiling point material inlet 17 and the cold material inlet 2 to start a normal heat exchange process.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (4)
1. A heat exchanger capable of automatically controlling internal heating is characterized in that a heat exchanger end socket (1) and a heat exchanger cylinder (4) are connected through a flange sealing assembly (3) to form an outer shell of the heat exchanger; the cold material inlet (2) is positioned on the left side of the upper end of the heat exchanger, the cold material outlet (15) is positioned on the right side of the lower end of the heat exchanger, and the cold material inlet (2) and the cold material outlet (15) are connected with the material heat exchange tube bundle (5) to form a heat exchange pipeline of cold materials; high boiling point material export (7) are located heat exchanger upper end right side, and high boiling point material import (17) are located heat exchanger lower extreme left side, and high boiling point heat transfer medium gets into the heat exchanger by high boiling point material import (17), flows out heat exchanger, its characterized in that by high boiling point material export (7) through the heat exchanger shell side: and a steam internal heating unit and a hot steam flow automatic control unit are additionally arranged in the heat exchanger.
2. The heat exchanger capable of automatically controlling internal heating according to claim 1, wherein: the steam internal heating unit comprises a joint (9), a valve (10), a steam hose (11), a sealing connecting piece (8), a connecting flange (12), a steam heat exchange pipe (6) and a steam outlet (14), one end of the valve (10) is connected with the joint (9), the other end of the valve is connected with the steam hose (11), and the steam hose (11) and the steam heat exchange pipe (6) are connected through the connecting flange (12); the steam hose (11) is fixed on the heat exchanger end socket (1) by the sealing connecting piece (8).
3. The heat exchanger capable of automatically controlling internal heating according to claim 1, wherein: the automatic control unit for the flow of the hot steam comprises a valve (10), a controller (13) and a temperature sensor (16), wherein the temperature sensor (16) is distributed at the lower end of the heat exchanger cylinder (4), and the controller (13) is respectively connected with the temperature sensor (16) and the valve (10) through data signal lines.
4. A heat exchanger with automatic controlled internal heating according to claim 2 or 3, characterized in that: the valve (10) is a regulating valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021700293.1U CN213238545U (en) | 2020-08-15 | 2020-08-15 | Heat exchanger capable of automatically controlling internal heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021700293.1U CN213238545U (en) | 2020-08-15 | 2020-08-15 | Heat exchanger capable of automatically controlling internal heating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213238545U true CN213238545U (en) | 2021-05-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021700293.1U Active CN213238545U (en) | 2020-08-15 | 2020-08-15 | Heat exchanger capable of automatically controlling internal heating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213238545U (en) |
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2020
- 2020-08-15 CN CN202021700293.1U patent/CN213238545U/en active Active
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