Tower waste heat utilization device

Abstract

The utility model discloses a tower waste heat utilization device, which belongs to the technical field of tower waste heat utilization devices and comprises a box body and a recovery mechanism, the top of the box body is provided with an opening, the recovery mechanism is detachably mounted at the top of the box body and comprises a fixing plate and a plurality of circulating pipes, and the circulating pipes are fixedly arranged in rows through connecting plates. The connecting plate and the fixing plate are detachably connected and fixed through a plurality of positioning columns, the circulating pipe is located below the fixing plate, a temperature sensor is arranged on the circulating pipe, a plurality of liquid inlets are formed in the fixing plate, a water drainage pipe is connected to the lower portion of the box body, a through hole I and a through hole II are formed in the box body, and the two ends of the circulating pipe penetrate out of the box body through the through hole I and the through hole II respectively. The problems that in the prior art, heat exchange equipment is tedious to disassemble and assemble, difficult to maintain and overhaul, long in consumed time and low in working efficiency are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of tower waste heat utilization devices, and in particular relates to a tower waste heat utilization device. Background Art

[0002] In the production of polysilicon, heat exchangers are a type of equipment that is frequently used and used in large quantities. In particular, the use of heat exchangers has increased significantly in order to recover waste heat from production materials. However, the heat exchange tube connectors in the commonly used heat exchangers are fixed with multiple bolts. When the equipment needs to be maintained or repaired, multiple bolts need to be unscrewed. This method is inconvenient to disassemble, the work is cumbersome, takes a long time, and the work efficiency is very low.

[0003] Therefore, the existing heat exchanger structure still needs to be optimized to facilitate equipment maintenance and overhaul to improve work efficiency. Utility Model Content

[0004] The utility model aims to solve the problems in the prior art that the heat exchange equipment is complicated to disassemble and assemble, the equipment maintenance and overhaul are difficult and time-consuming, and the working efficiency is low.

[0005] In order to achieve the above-mentioned invention object, the technical solution of the utility model is as follows:

[0006] A tower waste heat utilization device comprises a box body with an opening on the top and a recovery mechanism, the recovery mechanism is detachably mounted on the top of the box body, the recovery mechanism comprises a fixed plate and a plurality of circulation pipes, the circulation pipes are fixedly arranged in a row through a connecting plate, the connecting plate and the fixed plate are detachably connected and fixed through a plurality of positioning columns, the circulation pipes are located below the fixed plate, a temperature sensor is arranged on the circulation pipe, a plurality of liquid inlets are arranged on the fixed plate, a drain pipe is connected to the lower part of the box body, a through hole I and a through hole II are arranged on the box body, and two ends of the circulation pipe pass through the through hole I and the through hole II to exit the box body respectively.

[0007] Furthermore, a sink groove I is provided at the lower end of the fixing plate, and the upper end of the box body is inserted into the sink groove I.

[0008] Furthermore, each positioning column passes through the fixing plate, and a threaded structure is provided at the outer portion of the fixing plate where the positioning column passes through, and the positioning column is fixed by a nut.

[0009] Furthermore, each of the circulation pipes is connected to connecting pipes at both ends, and the circulation pipe is detachably connected to the connecting pipe via a threaded structure.

[0010] Furthermore, the liquid inlet of the fixed plate is connected to a water injection pipe.

[0011] Furthermore, a supporting seat is installed at the lower end of the box body, a sinking groove II is opened at the upper end of the supporting seat, and the lower end of the box body is located in the sinking groove II.

[0012] Beneficial effects of the utility model:

[0013] 1. In the utility model, the tower waste heat utilization device is particularly suitable for heat exchange operations of fluids such as water in polysilicon production, and can realize the waste heat recovery of fluids. The device is a non-pressure device, and the difficulty of equipment use, processing and manufacturing, equipment maintenance, and monitoring equipment is significantly less than that of pressure equipment, and has a wide range of applications. In addition, the box and recovery mechanism in the device are detachable structures, which is convenient for equipment disassembly, inspection and maintenance. In actual use, according to the equipment use environment, suitable wear-resistant and corrosion-resistant materials can be selected, or wear-resistant and corrosion-resistant coatings can be applied.

[0014] 2. In the utility model, another preferred fixed plate structure is proposed, that is, a sink groove I is opened at the lower end of the fixed plate, and the upper end of the box body is inserted into the sink groove I. Such a structure is convenient for quickly installing the recovery mechanism in the box body. On the one hand, the box body can protect other delicate structures in the recovery mechanism and improve its service life, and can also be used to pass the second fluid (the first fluid is the medium fluid in the circulation pipe). The structure is ingenious and simple, which is convenient for timely and quick removal of the recovery mechanism to determine whether it is operating normally.

[0015] 3. In the present invention, each positioning column passes through the fixing plate, and the positioning column passes through the outer part of the fixing plate, and a threaded structure is provided and the positioning column is fixed by a nut, which is another preferred recovery mechanism. Furthermore, when the circulation pipe of the device fails, or all / part of the circulation pipe needs to be replaced, the nut can be unscrewed first to separate the circulation pipe from the fixing plate for subsequent operation. The circulation pipe can also be designed as multiple circulation pipes installed in parallel in the box according to needs, and work together at the same time.

[0016] 4. In the utility model, each of the circulation pipes is connected to connecting pipes at both ends. The circulation pipe is detachably connected to the connecting pipe through a threaded structure. The connecting pipe can be used to connect the circulation pipe and the medium supply pipe. This structural design is also conducive to the rapid disassembly and assembly of the device, which is convenient for equipment maintenance.

[0017] 5. In the present invention, the liquid inlet of the fixed plate is used to connect to the water injection pipe, and is used to achieve heat exchange with the medium in the circulation pipe through the second fluid.

[0018] 6. In the utility model, a supporting seat is installed at the lower end of the box body, and a sink groove II is opened at the upper end of the supporting seat. The lower end of the box body is located in the sink groove II. This structural design is convenient for the staff to quickly and accurately install the box body and the recovery mechanism on the supporting seat. On the other hand, the shape of the supporting seat can be designed according to the equipment installation site, and the supporting seat can facilitate fixing the entire device in a suitable position. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional schematic diagram of the utility model.

[0020] Figure 2 It is a front sectional view of the utility model.

[0021] Figure 3 It is a three-dimensional schematic diagram of the recycling mechanism.

[0022] Figure 4 It is a three-dimensional schematic diagram of the positional relationship between the box body and the supporting seat.

[0023] Among them, 1. box body; 2. recovery mechanism; 3. temperature sensor; 4. drain pipe; 5. nut; 6. connecting pipe; 7. water injection pipe; 8. supporting seat; 11. through hole I; 12. through hole II; 21. fixing plate; 22. circulation pipe; 23. connecting plate; 24. positioning column; 25. connecting column; 211. liquid inlet; 212. sedimentation tank I; 81. sedimentation tank II. DETAILED DESCRIPTION

[0024] The present invention is further described in detail below in conjunction with the embodiments, but the implementation manner of the present invention is not limited thereto.

[0025] Example 1

[0026] This embodiment is the most basic implementation method, a tower waste heat utilization device, which belongs to the technical field of tower waste heat utilization devices, and refers to Figure 1-4 , including a box body 1 with an opening on the top and a recovery mechanism 2, the recovery mechanism 2 is detachably installed on the top of the box body 1, the recovery mechanism 2 includes a fixed plate 21 and a plurality of circulation pipes 22, the circulation pipes 22 are fixedly arranged in a row through a connecting plate 23, the connecting plate 23 and the fixing plate 21 are detachably connected and fixed through a plurality of positioning columns 24, the circulation pipe 22 is located below the fixing plate 21, the circulation pipe 22 is provided with a temperature sensor 3, the fixing plate 21 is provided with a plurality of liquid inlets 211, the lower part of the box body 1 is connected with a drain pipe 4, the box body 1 is provided with a through hole Ⅰ11 and a through hole Ⅱ12, and the two ends of the circulation pipe 22 pass through the outside of the box body 1 from the through hole Ⅰ11 and the through hole Ⅱ12 respectively.

[0027] When in use, the external hot medium / cold medium (mostly water) enters the inside of the circulation pipe 22 through one side. After heat exchange, the medium is discharged from the other side of the circulation pipe 22. The temperature sensor 3 monitors the medium temperature in the circulation pipe 22 in real time. By controlling the medium temperature, flow rate and the flow rate of the material being heat exchanged, the purpose of stable heat exchange is achieved. At the same time, it can also ensure that the waste heat utilization device operates stably within a suitable temperature range to ensure the use effect and service life. After completing the heat exchange work or when the equipment needs to be disassembled, first separate the box body 1 and the recovery mechanism 2, then take out the recovery mechanism 2, and then maintain the circulation pipe 22 and other components of the recovery mechanism 2.

[0028] Example 2

[0029] This embodiment is a further optimization of the embodiment 1, and the difference is that a sinking groove Ⅰ212 is provided at the lower end of the fixing plate 21, and the upper end of the box body 1 is inserted into the sinking groove Ⅰ212. Figure 1 , which facilitates the quick assembly of the box body 1 and the fixing plate 21 of the recovery mechanism 2.

[0030] Example 3

[0031] The present embodiment is different from Embodiments 1-2 in that each positioning column 24 passes through the fixing plate 21 , and a threaded structure is provided at the outer portion of the positioning column 24 passing through the fixing plate 21 , and the positioning column 24 is fixed by a nut 5 .

[0032] In this embodiment, positioning columns 24 are used to be detachably connected to the fixed plate 21 and the lower connecting plate 23 respectively. When the equipment completes the heat exchange work or needs to be disassembled, the box body 1 and the recovery mechanism 2 are first separated, and then the recovery mechanism 2 is taken out. The fixed plate 21 and the connecting plate 23 and other structures can be further disassembled, and then the circulation pipe 22 and other components can be maintained.

[0033] Such a structural design facilitates the design of multiple circulation pipes 22, and the use of positioning columns 24, fixing plates 21, connecting plates 23 and other structures to design equipment of various specifications according to needs to meet various application environments. At the same time, the equipment is a non-pressure equipment, which is more convenient and safe to use and disassemble.

[0034] Example 4

[0035] The difference between this embodiment and embodiments 1-3 is that each of the circulation pipes 22 is connected to a connecting pipe 6 at both ends, and the circulation pipe 22 is detachably connected to the connecting pipe 6 through a threaded structure. Figure 2 Or 3, the connecting pipe 6 is used to connect the internal circulation pipe 22 and the external medium replenishment pipeline. When disassembling the device, first unscrew the connecting pipe 6, and then the recovery mechanism 2 can be taken out as a whole.

[0036] Preferably, the liquid inlet 211 of the fixed plate 21 is connected to the water injection pipe 7 for connecting the material pipeline to be heat exchanged.

[0037] Example 5

[0038] The present embodiment is different from Embodiments 1-4 in that a supporting seat 8 is installed at the lower end of the box body 1, a sink groove II 81 is provided at the upper end of the supporting seat 8, and the lower end of the box body 1 is seated in the sink groove II 81, so as to stabilize and fix the entire device.

[0039] Example 6

[0040] In order to facilitate the public to understand the present utility model, this embodiment takes a new tower waste heat utilization device as an example to further illustrate the present solution.

[0041] refer to Figure 1-4 The device includes a box body 1 with an opening on the top and a recovery mechanism 2, the recovery mechanism 2 is detachably installed on the top of the box body 1, the recovery mechanism 2 includes a fixed plate 21 and a plurality of circulation pipes 22, the circulation pipes 22 are fixedly arranged in a row through a connecting plate 23, the connecting plate 23 and the fixing plate 21 are detachably connected and fixed through a plurality of positioning columns 24, the circulation pipe 22 is located below the fixing plate 21, a temperature sensor 3 is provided on the circulation pipe 22, and a plurality of liquid inlets 211 are provided on the fixing plate 21, a drain pipe 4 is connected to the lower part of the box body 1, a through hole Ⅰ11 and a through hole Ⅱ12 are provided on the box body 1, and the two ends of the circulation pipe 22 pass through the outside of the box body 1 from the through hole Ⅰ11 and the through hole Ⅱ12 respectively.

[0042] In this embodiment, a sink groove Ⅰ212 is formed at the lower end of the fixing plate 21 , and the upper end of the box body 1 is inserted into the sink groove Ⅰ212 .

[0043] In this embodiment, each positioning column 24 passes through the fixing plate 21 . The outer portion of the positioning column 24 passing through the fixing plate 21 is provided with a threaded structure and is fixed by a nut 5 .

[0044] In this embodiment, each of the circulation pipes 22 is connected to a connecting pipe 6 at both ends, and the circulation pipe 22 is detachably connected to the connecting pipe 6 through a threaded structure. Figure 3 Three rows of circulation pipes 22 are designed, and the three rows of circulation pipes 22 are connected and fixed with the assistance of two rows of positioning columns 24. Adjacent circulation pipes 22 are installed and fixed by connecting plates 23 and connecting columns 25 between adjacent connecting plates 23.

[0045] In this embodiment, the liquid inlet 211 of the fixing plate 21 is connected to the water injection pipe 7 .

[0046] In this embodiment, a support seat 8 is installed at the lower end of the box body 1, and a sink groove II 81 is opened at the upper end of the support seat 8. The lower end of the box body 1 is seated in the sink groove II 81. The shape of the support seat 8 can be determined according to the working site of the equipment.

[0047] The whole tower waste heat utilization device has an ingenious structural design and is easy to disassemble and assemble. The number of bolts that need to be disassembled is significantly reduced compared to existing heat exchange devices, which improves the efficiency of equipment maintenance by staff and shortens the time for equipment maintenance. In addition, this equipment is a non-pressure equipment, and the requirements for the structure and materials involved in the equipment are relatively low. The requirements for personnel using and maintaining the equipment are relatively low and safer.

Claims

1. A tower waste heat utilization device, characterized in that: The invention comprises a box body (1) having an opening at the top and a recovery mechanism (2), wherein the recovery mechanism (2) is detachably mounted on the top of the box body (1), the recovery mechanism (2) comprising a fixing plate (21) and a plurality of circulation pipes (22), the circulation pipes (22) being fixedly arranged in a row via a connecting plate (23), the connecting plate (23) being detachably connected and fixed to the fixing plate (21) via a plurality of positioning columns (24), the circulation pipes (22) being located below the fixing plate (21), the circulation pipes (22) being provided with a temperature sensor (3), the fixing plate (21) being provided with a plurality of liquid inlets (211), the lower part of the box body (1) being connected with a drain pipe (4), the box body (1) being provided with a through hole I (11) and a through hole II (12), and the two ends of the circulation pipe (22) respectively passing through the through hole I (11) and the through hole II (12) to exit the box body (1).

2. A tower waste heat utilization device according to claim 1, characterized in that: A sink groove I (212) is provided at the lower end of the fixing plate (21), and the upper end of the box body (1) is inserted into the sink groove I (212).

3. The tower waste heat utilization device according to claim 1, characterized in that: Each positioning column (24) passes through the fixing plate (21); a threaded structure is provided on the outer portion of the positioning column (24) passing through the fixing plate (21); and the positioning column (24) is fixed by a nut (5).

4. The tower waste heat utilization device according to claim 1, characterized in that: Each of the circulation pipes (22) is connected to a connecting pipe (6) at both ends, and the circulation pipe (22) is detachably connected to the connecting pipe (6) via a threaded structure.

5. The tower waste heat utilization device according to claim 1, characterized in that: The liquid inlet (211) of the fixed plate (21) is connected to the water injection pipe (7).

6. The tower waste heat utilization device according to claim 1, characterized in that: A supporting seat (8) is installed at the lower end of the box body (1), a sink groove II (81) is opened at the upper end of the supporting seat (8), and the lower end of the box body (1) is seated in the sink groove II (81).

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