Rectifying tower waste heat recovery efficient heat exchanger

Abstract

The utility model relates to the technical field of rectifying towers, in particular to a rectifying tower waste heat recovery efficient heat exchanger which comprises a main body, a heating medium output assembly is arranged on one side of the main body, a refrigerant output assembly is arranged on the other side of the main body, and a refrigerant pretreatment assembly is arranged at the top of the main body. According to the utility model, a layer of completely covered protective film is formed on the metal surface of the pipeline for conveying the refrigerant by utilizing the input of the pre-filming agent, the conveying pipeline becomes a pre-filming pipeline with a pre-filming, the pipeline can be protected by utilizing a pre-filming method, and the service life of a heat exchanger can be prolonged by pre-treating cooling water; the passivation film attached to the metal surface enables flash corrosion to be reduced to the minimum degree, it can be guaranteed that the cold and hot medium discharge pipes at the two ends of the heat exchanger can be connected with the heat exchanger in a sealed mode through the first clamp, the first rubber seal, the second clamp and the second rubber seal ring, and therefore leakage is prevented, and the recycling and reusing rate of heat energy resources is increased.

Description

TECHNICAL FIELD

[0001] The utility model relates to rectifying tower technical field, concretely is a kind of rectifying tower waste heat recovery high-efficiency heat exchanger. BACKGROUND

[0002] Rectifying tower is a kind of tower type gas-liquid contactor for rectification, utilizes the different volatility of each component in mixture, i.e. the vapor pressure of each component is different at the same temperature, makes light component in liquid phase transfer to gas phase, and heavy component in gas phase transfers to liquid phase, to realize the purpose of separation.

[0003] Heat exchanger is the heat exchanger that the partial heat of hot fluid is transferred to cold fluid, also called heat exchanger. Heat exchanger is the general heat exchanger of chemical industry, petroleum, power, food and other many industrial departments, and it occupies important position in production, and heat exchanger can be used as heater, cooler, condenser, evaporator and reboiler etc. in chemical production, and it is more widely applied.

[0004] At present, the heat recovery benefit of heat exchanger is reduced due to many factors, cooling water is not realized treatment, not only lead to the heat recovery ability of heat exchanger to reduce, also can cause damage to the whole heat exchanger, and the sealing effect is not good, which can also lead to the performance of heat exchanger to reduce, lead to waste heat recovery to be insufficient, thereby reduce the recycling rate of heat energy resources, therefore, a kind of rectifying tower waste heat recovery high-efficiency heat exchanger is needed to improve the above problems. UTILITY MODEL CONTENT

[0005] In order to solve the heat recovery benefit of heat exchanger is reduced due to many factors at present, cooling water is not realized treatment, not only lead to the heat recovery ability of heat exchanger to reduce, also can cause damage to the whole heat exchanger, and the sealing effect is not good, which can also lead to the performance of heat exchanger to reduce, lead to waste heat recovery to be insufficient, thereby reduce the recycling rate of heat energy resources, the purpose of the utility model is to provide a kind of rectifying tower waste heat recovery high-efficiency heat exchanger to solve the problems raised in the above background art.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A kind of rectifying tower waste heat recovery high-efficiency heat exchanger, including main part, the one side of the main part is provided with heat medium output assembly, the other side of the main part is provided with refrigerant output assembly, the top of the main part is provided with refrigerant pretreatment assembly;

[0008] The heat medium output assembly includes heat medium outlet pipe, the side of the heat medium outlet pipe is provided with first rubber sealing ring, the side of the first rubber sealing ring is provided with first clamp, the heat medium outlet pipe extends to the inside of first clamp, and the first rubber sealing ring is arranged in the inside of first clamp.

[0009] The refrigerant pre-treatment assembly comprises a refrigerant inlet pipe, the side of the refrigerant inlet pipe is fixedly connected with an overflow bin, and the bottom of the overflow bin is fixedly connected with a pre-film pipeline.

[0010] As a preferred scheme of the utility model, the top of the refrigerant inlet pipe is fixedly connected with a pump body, the bottom of the pre-film pipeline is fixedly connected with a flange plate, and the inside of the flange plate is provided with a threaded rod.

[0011] As a preferred scheme of the utility model, the threaded rod penetrates through the flange plate, the bottom of the threaded rod is threadedly connected with a nut, the flange plate is provided with four, and the threaded rod and the nut are provided with a plurality of.

[0012] As a preferred scheme of the utility model, the top of the heat medium outlet pipe is fixedly connected with a top pipe, and the top of the heat medium outlet pipe is provided with a temperature table.

[0013] As a preferred scheme of the utility model, the refrigerant output assembly comprises a refrigerant outlet pipe, the side of the refrigerant outlet pipe is provided with a second rubber sealing ring, and the bottom of the refrigerant outlet pipe is fixedly connected with a valve.

[0014] As a preferred scheme of the utility model, the side of the second rubber sealing ring is provided with a second clamp, the refrigerant outlet pipe extends to the inside of the second clamp, and the second rubber sealing ring is arranged in the inside of the second clamp.

[0015] As a preferred scheme of the utility model, the main body comprises an outer shell, the inside of the outer shell is fixedly connected with a baffle, the baffle is provided with a plurality of, and the top of the outer shell is fixedly connected with a heat medium inlet pipe.

[0016] As a preferred scheme of the utility model, the bottom of the outer shell is provided with an outer shell, the outer shell is arranged in the inside of the supporting frame, and the outer shell is provided with two.

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] 1. In the utility model, by utilizing the input of the pre-film agent, a complete protective film is formed on the metal surface of the pipeline conveying the refrigerant, so that the pipeline becomes a pre-film pipeline with a pre-film, the pipeline can be protected by the pre-film method, the cooling water is pre-treated, the service life of the heat exchanger is prolonged, and the passivation film attached to the metal surface reduces flash corrosion to the minimum.

[0019] 2. The utility model discloses, through utilize first hoop to the connecting end of heat medium outlet pipe and heat exchanger is connected, and cooperate first rubber sealing ring, similarly, utilize second hoop to the connecting end of refrigerant outlet pipe and heat exchanger is connected, and cooperate second rubber sealing ring, two kinds of fixed mode of connection can guarantee that heat exchanger both ends cold and hot medium discharge pipe can be connected with heat exchanger, thereby prevent leakage, improve the recycling rate of heat energy resources. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is whole structure schematic diagram of the utility model;

[0021] Figure 2 It is heat medium output subassembly structure schematic diagram of the utility model;

[0022] Figure 3 It is refrigerant output subassembly structure schematic diagram of the utility model;

[0023] Figure 4 It is refrigerant preprocessing subassembly structure schematic diagram of the utility model.

[0024] In the drawing: 1, main body;101, shell;102, support frame;103, baffle;104, heat medium inlet pipe;2, heat medium output subassembly;201, heat medium outlet pipe;202, top pipe;203, temperature table;204, first rubber sealing ring;205, first hoop;3, refrigerant output subassembly;301, refrigerant outlet pipe;302, valve;303, second rubber sealing ring;304, second hoop;4, refrigerant preprocessing subassembly;401, refrigerant inlet pipe;402, pump body;403, overflow bin;404, pre-membrane pipeline;405, flange plate;406, threaded rod;407, nut. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be described below in a clear and complete manner in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0026] Embodiment: please refer to Figures 1-4The shown one kind is the high-efficiency heat exchanger of rectifying column waste heat recovery, including main body 1, one side of main body 1 is provided with heat medium output assembly 2, the other side of main body 1 is provided with refrigerant output assembly 3, the top of main body 1 is provided with refrigerant pretreatment assembly 4, the metal surface of the pipeline of the refrigerant is formed with a layer of complete protective film by the input of pre-film agent, the pipeline becomes the pre-film pipeline 404 with pre-film, the pipeline can be protected by the method of pre-film, the life of heat exchanger can be extended by the pretreatment of cooling water, the passivation film attached to the metal surface makes the flash erosion to the minimum;

[0027] In this embodiment, referring to Figure 1 、 Figure 2 and Figure 4 , the heat medium output assembly 2 includes a heat medium outlet pipe 201, the side of the heat medium outlet pipe 201 is provided with a first rubber sealing ring 204, the side of the first rubber sealing ring 204 is provided with a first clamp 205, the heat medium outlet pipe 201 extends into the first clamp 205, the first rubber sealing ring 204 is arranged in the first clamp 205, the refrigerant pretreatment assembly 4 includes a refrigerant inlet pipe 401, the side of the refrigerant inlet pipe 401 is fixedly connected with an overflow bin 403, the bottom of the overflow bin 403 is fixedly connected with a pre-film pipeline 404, the metal surface of the pipeline of the refrigerant is formed with a layer of complete protective film by the input of pre-film agent, the pipeline becomes the pre-film pipeline 404 with pre-film, the pipeline can be protected by the method of pre-film, the life of heat exchanger can be extended by the pretreatment of cooling water, the passivation film attached to the metal surface makes the flash erosion to the minimum.

[0028] Among them, the top of the refrigerant inlet pipe 401 is fixedly connected with a pump body 402, the bottom of the pre-film pipeline 404 is fixedly connected with a flange plate 405, the inside of the flange plate 405 is provided with a threaded rod 406, the threaded rod 406 penetrates through the flange plate 405, the bottom of the threaded rod 406 is threadedly connected with a nut 407, the flange plate 405 is provided with four, the threaded rod 406 and the nut 407 are provided with several, the top of the heat medium outlet pipe 201 is fixedly connected with a top pipe 202, the top of the heat medium outlet pipe 201 is installed with a temperature table 203, the main feature of the flange connection of the flange plate 405 is that it is easy to disassemble, high in strength and good in sealing performance.

[0029] In this embodiment, referring to Figure 1 、 Figure 3 and Figure 4As shown, the refrigerant output assembly 3 includes a refrigerant outlet pipe 301, the side of the refrigerant outlet pipe 301 is provided with a second rubber sealing ring 303, the bottom of the refrigerant outlet pipe 301 is fixedly connected with a valve 302, the side of the second rubber sealing ring 303 is provided with a second clamp 304, the refrigerant outlet pipe 301 extends to the inside of the second clamp 304, the second rubber sealing ring 303 is arranged in the inside of the second clamp 304, the main body 1 includes an outer shell 101, the inside of the outer shell 101 is fixedly connected with baffles 103, the baffles 103 are provided with a plurality of, the top of the outer shell 101 is fixedly connected with a hot medium inlet pipe 104, the bottom of the outer shell 101 is provided with an outer shell 101, the outer shell 101 is arranged in the inside of the support frame 102, the outer shell 101 is provided with two, the first clamp 205 is used for connecting the connecting end of the hot medium outlet pipe 201 and the heat exchanger, and the first rubber sealing ring 204 is matched, and the second clamp 304 is used for connecting the connecting end of the refrigerant outlet pipe 301 and the heat exchanger, and the second rubber sealing ring 303 is matched, the two kinds of fixed connection modes can ensure that the hot and cold medium outlet pipes at both ends of the heat exchanger can be sealingly connected with the heat exchanger, so that leakage is prevented, and the recycling rate of heat energy resources is improved.

[0030] In the use of the rectifying tower waste heat recovery high-efficiency heat exchanger, the hot fluid enters the heat exchanger from the hot medium inlet pipe 104, and the cold fluid enters the heat exchanger from the refrigerant inlet pipe 401, before which the cold fluid is pretreated by the input of the pre-film agent, so that a complete protective film is formed on the metal surface of the refrigerant conveying pipeline, the service life of the heat exchanger is prolonged, and the hot fluid and the cold fluid flow in the heat exchanger and transfer heat on the baffles 103 of the heat exchanger.

[0031] The cooled hot fluid and the heated cold fluid leave the heat exchanger: after the heat transfer is completed, the temperature of the high-temperature fluid is reduced, and the temperature of the low-temperature fluid is increased.

[0032] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A high-efficiency heat exchanger for recovering waste heat from a rectification column, comprising a main body (1), characterized in that: One side of the main body (1) is provided with a heat medium output assembly (2), the other side of the main body (1) is provided with a cold medium output assembly (3), the top of the main body (1) is provided with a cold medium pretreatment assembly (4); The heat medium output assembly (2) comprises a heat medium outlet pipe (201), the side of the heat medium outlet pipe (201) is provided with a first rubber sealing ring (204), the side of the first rubber sealing ring (204) is provided with a first clamp (205), the heat medium outlet pipe (201) extends to the inside of the first clamp (205), and the first rubber sealing ring (204) is arranged in the inside of the first clamp (205); The cold medium pretreatment assembly (4) comprises a cold medium inlet pipe (401), the side of the cold medium inlet pipe (401) is fixedly connected with an overflow bin (403), and the bottom of the overflow bin (403) is fixedly connected with a pre-membrane pipeline (404).

2. The high-efficiency heat exchanger for recovering waste heat from a rectifying column according to claim 1, characterized in that: The top of the cold medium inlet pipe (401) is fixedly connected with a pump body (402), the bottom of the pre-membrane pipeline (404) is fixedly connected with a flange plate (405), and the inside of the flange plate (405) is provided with a threaded rod (406).

3. The high-efficiency heat exchanger for recovering waste heat from a rectifying column according to claim 2, characterized in that: The threaded rod (406) penetrates through the flange plate (405), the bottom of the threaded rod (406) is threadedly connected with a nut (407), the flange plate (405) is provided with four, and the threaded rod (406) and the nut (407) are provided with a plurality of.

4. The high-efficiency heat exchanger for recovering waste heat from a rectifying column according to claim 1, characterized in that: The top of the heat medium outlet pipe (201) is fixedly connected with a top pipe (202), and the top of the heat medium outlet pipe (201) is provided with a temperature table (203).

5. The high-efficiency heat exchanger for recovering waste heat from a rectifying column according to claim 1, characterized in that: The cold medium output assembly (3) comprises a cold medium outlet pipe (301), the side of the cold medium outlet pipe (301) is provided with a second rubber sealing ring (303), and the bottom of the cold medium outlet pipe (301) is fixedly connected with a valve (302).

6. The high-efficiency heat exchanger for recovering waste heat from a rectifying column according to claim 5, characterized in that: The side of the second rubber sealing ring (303) is provided with a second clamp (304), the cold medium outlet pipe (301) extends to the inside of the second clamp (304), and the second rubber sealing ring (303) is arranged in the inside of the second clamp (304).

7. The high-efficiency heat exchanger for recovering waste heat from a rectifying column according to claim 1, characterized in that: The main body (1) comprises an outer shell (101), the inside of the outer shell (101) is fixedly connected with a baffle (103), the baffle (103) is provided with a plurality of, and the top of the outer shell (101) is fixedly connected with a heat medium inlet pipe (104).

8. The high-efficiency heat exchanger for recovering waste heat from a rectifying column according to claim 7, characterized in that: The bottom of the outer shell (101) is provided with an outer shell (101), the outer shell (101) is arranged in the inside of the support frame (102), and the outer shell (101) is provided with two.

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