Heat exchange device for evaporator

Abstract

The utility model discloses a heat exchange device for an evaporator, which comprises a refrigerant pipe assembly, a refrigerant inlet pipe assembly and a refrigerant outlet pipe assembly, and the refrigerant inlet pipe assembly is connected with the refrigerant outlet pipe assembly through the refrigerant pipe assembly; the refrigerant pipe assembly comprises a plurality of refrigerant pipes, the refrigerant pipes are arranged in a stacked mode in the longitudinal direction, and the refrigerant pipes on each layer are arranged in a spiral mode. A refrigerant pipe inlet and a refrigerant pipe outlet are formed in the two ends of each refrigerant pipe respectively; the refrigerant inlet pipe assembly comprises a refrigerant inlet collecting pipe and a refrigerant outlet collecting pipe, wherein the refrigerant inlet collecting pipe is connected with refrigerant pipe inlets of the multiple refrigerant pipes; the refrigerant outlet pipe assembly comprises a refrigerant outlet collecting pipe, and the refrigerant outlet collecting pipe is connected with refrigerant pipe outlets of the multiple refrigerant pipes. Heat can be fully utilized, rapid cold and heat exchange is carried out, and the problem of high energy consumption in the prior art is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to a heat exchange device for an evaporator. Background Technique

[0002] With the development of industries such as medicine, chemical industry, dyeing pigments, and hardware machining, these enterprises will generate wastewater with high COD, high ammonia nitrogen, and high salt during the production process. The generation routes of high-concentration wastewater are extensive, the properties are complex, and the water volume also increases year by year. The traditional wastewater treatment process can no longer meet the requirements of the new situation. Moreover, due to the diversity of products and different technological characteristics in each production workshop of industrial enterprises, the quality of the discharged wastewater also has obvious differences, the composition is relatively complex, and the pollution degree varies greatly, resulting in great difficulties in the treatment and recycling of high-concentration sewage. Therefore, the low-temperature vacuum evaporator for treating high-concentration wastewater has become the focus of industry attention. The heat exchanger of the low-temperature vacuum evaporator is an important device of the evaporator, which plays a decisive role in the energy consumption and treatment capacity of the evaporator. Therefore, it is imperative to design an efficient heat exchange device.

[0003] The utility model with the publication number of CN215765864U discloses an evaporator with high heat exchange efficiency, including a heat exchange tube. The heat exchange tube is provided with a communication port, and the communication port includes a first communication port and a second communication port. The first communication port and the second communication port can be respectively used for the inlet and outlet of the refrigerant; a liquid collection device, the liquid collection device is communicated with the second communication port, and the liquid collection device includes a first interface for the inlet and outlet of the refrigerant; a collection and distribution device, the collection and distribution device includes a collection pipe, the collection pipe is communicated with the first communication port, and the collection and distribution device is used for collecting or distributing the refrigerant entering it; a defrosting refrigerant pipe, the defrosting refrigerant pipe can be communicated with the collection pipe, the defrosting refrigerant pipe includes a second interface for the inlet and outlet of high-temperature refrigerant, and the defrosting refrigerant pipe is arranged at the bottom side of the heat exchange tube. Although this device solves the technical problem that the bottom of the evaporator is easily frosted and defrosted multiple times through the settings of the heat exchange tube, the liquid collection device, the collection and distribution device, and the defrosting refrigerant pipe, however, the contact surface of this device with the external liquid is too small, and it cannot quickly conduct heat and cold exchange with the external liquid. At the same time, this device cannot perform adaptive processing according to the size of the external liquid volume, reducing the operation efficiency of heat exchange. Content of the Utility Model

[0004] The purpose of the utility model is to provide a heat exchange device for an evaporator to make full use of heat and conduct rapid heat and cold exchange, solving the problem of high energy consumption in the past. To achieve the above purpose, the utility model adopts the following technical solutions:

[0005] The utility model discloses a heat exchange device for an evaporator, including: a refrigerant pipe assembly, a refrigerant inlet pipe assembly, and a refrigerant outlet pipe assembly. The refrigerant inlet pipe assembly is connected to the refrigerant outlet pipe assembly through the refrigerant pipe assembly.

[0006] The refrigerant pipe assembly includes: a plurality of refrigerant pipes, which are stacked longitudinally, and the refrigerant pipes on each layer are arranged in a spiral shape; both ends of each refrigerant pipe are respectively set as a refrigerant pipe inlet and a refrigerant pipe outlet.

[0007] The refrigerant inlet pipe assembly includes: a refrigerant inlet collecting pipe, and the refrigerant inlet collecting pipe is connected to the refrigerant pipe inlets of the plurality of refrigerant pipes.

[0008] The refrigerant outlet pipe assembly includes: a refrigerant outlet collecting pipe, and the refrigerant outlet collecting pipe is connected to the refrigerant pipe outlets of the plurality of refrigerant pipes.

[0009] Wherein, the refrigerant pipe inlet is connected to the innermost ring pipe body of the refrigerant pipe, and the refrigerant pipe outlet is connected to the outermost ring pipe body of the refrigerant pipe.

[0010] Further, the heat exchange device for the evaporator further includes: one or more groups of limiting and fixing members, the limiting and fixing members include: a frame body and one or more partition plates, the partition plates are arranged according to the number of layers of the refrigerant pipes, and divide the frame body into one or more layers, and the refrigerant pipes are installed in each layer of the frame body.

[0011] Wherein, at least one wall plate is further arranged on each layer of the limiting and fixing members, and a plurality of arched holes are arranged on the wall plate, the arched holes are arranged according to the number of spiral turns of the refrigerant pipes, and the refrigerant pipes are fixed in each layer of the frame body.

[0012] Preferably, four groups of the limiting and fixing members are provided, and the limiting and fixing members are arranged in a cross-eccentric manner, so that the wall plates provided with the arched holes in the four groups of the limiting and fixing members are in a cross shape.

[0013] Further, the refrigerant inlet collecting pipe is placed longitudinally, and the refrigerant inlet collecting pipe is provided with a refrigerant inlet and one or more refrigerant inlet pipe assembly connection ports, the number of the refrigerant inlet pipe assembly connection ports is arranged according to the number of layers of the refrigerant pipes, and is connected to the refrigerant pipe inlets of each layer of the refrigerant pipes.

[0014] Preferably, the refrigerant inlet pipe assembly connection port and the refrigerant pipe inlet are hermetically connected.

[0015] Further, the refrigerant outlet collecting pipe is placed longitudinally, and the refrigerant outlet collecting pipe is provided with a refrigerant outlet and one or more refrigerant outlet pipe assembly connection ports, the number of the refrigerant outlet pipe assembly connection ports is arranged according to the number of layers of the refrigerant pipes, and is connected to the refrigerant pipe outlets of each layer of the refrigerant pipes.

[0016] Preferably, the connection port of the refrigerant outlet pipe assembly and the refrigerant pipe outlet are hermetically connected.

[0017] Preferably, the hermetic connection adopts pressure seal, socket seal, thread seal or flange seal.

[0018] After adopting the above technical solutions, the present utility model has the following effects:

[0019] 1. The refrigerant pipe assembly of the present utility model is composed of multiple layers of refrigerant pipes, and each layer of refrigerant pipe is arranged in a spiral pattern. When high-pressure and high-temperature refrigerant passes through the refrigerant pipe, the contact surface with the external sewage is larger, and it can more quickly exchange heat and cold with the external sewage.

[0020] 2. The present utility model can replace the corresponding specification of the fixed limit member according to the size of the sewage treatment volume, so as to install more layers of refrigerant pipes or refrigerant pipes with a larger diameter, achieving the effect of efficient heat exchange. Description of the Drawings

[0021] Figure 1 is a three-dimensional structure diagram of the present utility model.

[0022] Figure 2 is a top view of the present utility model.

[0023] Figure 3 is Figure 2 the AA sectional view of

[0024] Figure 4 is Figure 3 the enlarged view at B of

[0025] Figure 5 is a three-dimensional structure diagram of the refrigerant pipe assembly of the present utility model.

[0026] Figure 6 is a three-dimensional structure diagram of the refrigerant pipe of the present utility model.

[0027] Figure 7 is a three-dimensional structure diagram of the refrigerant inlet manifold and the refrigerant outlet manifold of the present utility model.

[0028] Figure 8 is Figure 7 the view in the direction of C of

[0029] Figure 9 is a three-dimensional structure diagram of the limit fixing member of the present utility model.

[0030] Main Component Symbols:

[0031] 1: Refrigerant pipe assembly, 11: Refrigerant pipe, 12: Refrigerant pipe inlet, 13: Refrigerant pipe outlet, 2: Refrigerant inlet pipe assembly, 21: Refrigerant inlet manifold, 22: Refrigerant inlet, 23: Connection port of refrigerant inlet pipe assembly, 3: Refrigerant outlet pipe assembly, 31: Refrigerant outlet manifold, 32: Refrigerant outlet, 33: Connection port of refrigerant outlet pipe assembly, 4: Limit fixing member, 41: Frame body, 42: Partition board, 43: Wall board, 44: Arch-shaped hole. Detailed implementation mode

[0032] In order to make the purpose, technical solution and advantages of the present utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments.

[0033] As Figure 1 shown, the present utility model discloses a heat exchange device for an evaporator, including: a refrigerant pipe assembly 1, a refrigerant inlet pipe assembly 2 and a refrigerant outlet pipe assembly 3. The refrigerant inlet pipe assembly 2 is connected to the refrigerant outlet pipe assembly 3 through the refrigerant pipe assembly 1.

[0034] As Figure 5 and Figure 6 shown, the refrigerant pipe assembly 1 includes: a plurality of refrigerant pipes 11, the plurality of refrigerant pipes 11 are stacked longitudinally, and the refrigerant pipes 11 on each layer are arranged in a spiral shape; both ends of each refrigerant pipe 11 are respectively arranged as a refrigerant pipe inlet 12 and a refrigerant pipe outlet 13.

[0035] In this embodiment, the refrigerant pipe inlet 12 is connected to the innermost ring pipe body of the refrigerant pipe 11, and the refrigerant pipe outlet 13 is connected to the outermost ring pipe body of the refrigerant pipe 11. The refrigerant enters the innermost ring pipe body of the refrigerant pipe through the refrigerant pipe inlet 12 and is transmitted outwards circle by circle. After passing through the outermost ring pipe body of the refrigerant pipe 11, it is discharged through the refrigerant pipe outlet 13.

[0036] As Figure 7 shown, the refrigerant inlet pipe assembly 2 includes: a refrigerant inlet manifold 21, and the refrigerant inlet manifold 21 is connected to the refrigerant pipe inlets 12 of the plurality of refrigerant pipes 11. The refrigerant outlet pipe assembly 3 includes: a refrigerant outlet manifold 31, and the refrigerant outlet manifold 31 is connected to the refrigerant pipe outlets 13 of the plurality of refrigerant pipes 11.

[0037] As Figure 8As shown, in this embodiment, the refrigerant inlet manifold 21 is placed longitudinally, and the refrigerant inlet manifold 21 is provided with a refrigerant inlet 22 and a plurality of refrigerant inlet pipe assembly connection ports 23. The number of the refrigerant inlet pipe assembly connection ports 23 is set according to the number of layers of the refrigerant pipes 11 and is connected to the refrigerant pipe inlets 12 of each layer of the refrigerant pipes 11. The refrigerant outlet manifold 31 is placed longitudinally, and the refrigerant outlet manifold 31 is provided with a refrigerant outlet 32 and a plurality of refrigerant outlet pipe assembly connection ports 33. The number of the refrigerant outlet pipe assembly connection ports 33 is set according to the number of layers of the refrigerant pipes 11 and is connected to the refrigerant pipe outlets 13 of each layer of the refrigerant pipes 11.

[0038] The high-pressure and high-temperature refrigerant enters the refrigerant inlet manifold 21 through the refrigerant inlet 22, and then is dispersed to each layer of the refrigerant pipes 11 through the refrigerant inlet pipe assembly connection ports 23 and the refrigerant pipe inlets 12. Then, it enters the refrigerant outlet manifold 31 through the refrigerant outlet pipe assembly connection ports 33 and the refrigerant pipe outlets 13. After the refrigerant is centrally collected in the refrigerant outlet manifold 31, it is discharged from the refrigerant outlet 32.

[0039] In this embodiment, the refrigerant inlet pipe assembly connection ports 23 and the refrigerant pipe inlets 12 are hermetically connected, and the refrigerant outlet pipe assembly connection ports 33 and the refrigerant pipe outlets 13 are hermetically connected. Moreover, in this embodiment, the hermetic connection adopts pressure sealing. In other embodiments, the hermetic connection can also adopt socket sealing, thread sealing or flange sealing.

[0040] As Figure 9 shown, the limit fixing member 4 includes: a frame body 41 and a plurality of partition plates 42. The partition plates 42 are set according to the number of layers of the refrigerant pipes 11 and divide the frame body 41 into multiple layers. The refrigerant pipes 11 are installed in each layer of the frame body 41.

[0041] In this embodiment, each layer of the limit fixing member 4 is further provided with a wall plate 43. A plurality of arched holes 44 are provided on the wall plate 43. The arched holes 44 are set according to the number of spiral turns of the refrigerant pipes 11 to fix the refrigerant pipes 11 in each layer of the frame body 41 as Figure 3 and Figure 4 shown.

[0042] In addition, in this embodiment, the heat exchange device for the evaporator is provided with four groups of limit fixing members 4. The limit fixing members 4 are arranged in a cross-shaped eccentric manner, so that the wall plates 43 provided with the arched holes 44 in the four groups of limit fixing members 4 are in a cross shape, as Figure 2 shown.

[0043] The above is only the preferred specific embodiment of the present invention. Any changes or substitutions that can be easily thought of by those skilled in the art within the technical scope disclosed by the present invention should be covered within the protection scope of the present invention.

Claims

1. A heat exchange device for an evaporator, characterized in that: include: A refrigerant pipe assembly (1), a refrigerant inlet pipe assembly (2) and a refrigerant outlet pipe assembly (3), wherein the refrigerant inlet pipe assembly (2) is connected to the refrigerant outlet pipe assembly (3) via the refrigerant pipe assembly (1); The refrigerant pipe assembly (1) comprises: a plurality of refrigerant pipes (11), the plurality of refrigerant pipes (11) being stacked in a longitudinal direction, the refrigerant pipes (11) on each layer being spirally arranged; both ends of each refrigerant pipe (11) being respectively arranged as a refrigerant pipe inlet (12) and a refrigerant pipe outlet (13); The refrigerant inlet pipe assembly (2) comprises: a refrigerant inlet collecting pipe (21), wherein the refrigerant inlet collecting pipe (21) is connected to the refrigerant pipe inlets (12) of the plurality of refrigerant pipes (11); The refrigerant outlet pipe assembly (3) comprises a refrigerant outlet collecting pipe (31), wherein the refrigerant outlet collecting pipe (31) is connected to the refrigerant pipe outlets (13) of the plurality of refrigerant pipes (11).

2. A heat exchange device for an evaporator according to claim 1, characterized in that: The refrigerant pipe inlet (12) is connected to the innermost circle of the refrigerant pipe (11), and the refrigerant pipe outlet (13) is connected to the outermost circle of the refrigerant pipe (11).

3. A heat exchange device for an evaporator according to claim 1, characterized in that: Also includes: One or more groups of limiting fixing members (4) are provided, and the limiting fixing members (4) include: a frame (41) and one or more partitions (42), the partitions (42) are provided according to the number of layers of the refrigerant tube (11), and divide the frame (41) into one or more layers, and the refrigerant tube (11) is installed in each layer of the frame (41).

4. A heat exchange device for an evaporator according to claim 3, characterized in that: Each layer of the position-limiting fixing member (4) is also provided with at least one wall plate (43), and a plurality of arched holes (44) are provided on the wall plate (43). The arched holes (44) are arranged according to the number of spiral turns of the refrigerant tube (11), so as to fix the refrigerant tube (11) in each layer of the frame (41).

5. A heat exchange device for an evaporator according to claim 4, characterized in that: Four groups of the position-limiting fixing members (4) are provided, and the position-limiting fixing members (4) are arranged eccentrically in a cross shape, so that the wall panels (43) provided with the arched holes (44) in the four groups of the position-limiting fixing members (4) are in a cross shape.

6. A heat exchange device for an evaporator according to claim 1, characterized in that: The refrigerant inlet collecting pipe (21) is placed in the longitudinal direction, and the refrigerant inlet collecting pipe (21) is provided with a refrigerant inlet (22) and a plurality of refrigerant inlet pipe assembly connecting ports (23). The number of the refrigerant inlet pipe assembly connecting ports (23) is set according to the number of layers of the refrigerant pipes (11), and is connected to the refrigerant pipe inlet (12) of each layer of the refrigerant pipes (11).

7. A heat exchange device for an evaporator according to claim 6, characterized in that: The refrigerant inlet pipe assembly connection port (23) and the refrigerant pipe inlet (12) are sealedly connected.

8. A heat exchange device for an evaporator according to claim 1, characterized in that: The refrigerant outlet collecting pipe (31) is placed in the longitudinal direction, and the refrigerant outlet collecting pipe (31) is provided with a refrigerant outlet (32) and a plurality of refrigerant outlet pipe assembly connecting ports (33). The number of the refrigerant outlet pipe assembly connecting ports (33) is set according to the number of layers of the refrigerant pipes (11), and is connected to the refrigerant pipe outlets (13) of each layer of the refrigerant pipes (11).

9. A heat exchange device for an evaporator according to claim 8, characterized in that: The refrigerant outlet pipe assembly connection port (33) and the refrigerant pipe outlet (13) are sealedly connected.

10. A heat exchange device for an evaporator according to claim 7 or 9, characterized in that: The sealing connection adopts pressure sealing, pipe bearing sealing, thread sealing or flange sealing.

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