Heat exchange device of trichlorosilane synthetic furnace

Abstract

The utility model discloses a trichlorosilane synthetic furnace heat exchange device, which relates to the technical field of chemical heat exchange equipment, and comprises a trichlorosilane synthetic furnace body, the top of the trichlorosilane synthetic furnace body is fixedly provided with a heat exchange furnace bin, one side of the heat exchange furnace bin is fixedly connected with a gas outlet pipe, the top of the heat exchange furnace bin is fixedly provided with a gas inlet pipe, and the gas inlet pipe is fixedly connected with a gas outlet pipe. A mounting ring is fixedly mounted at the top of an inner cavity of the heat exchange furnace bin, and a mounting mechanism is arranged on the inner side of the mounting ring. The heat exchange mechanism is installed at the top end of the sleeving base, thrust is applied to enable the pressing pad to conduct compression operation inwards, then a compression effect is generated on the buffering pressing column, a resilience mechanism of the buffering pressing column is triggered, the resilience force is utilized to push the pressing pad to conduct tight fixing on the bottom of the heat exchange mechanism, and the heat exchange effect is improved. The function of stably clamping the heat exchange mechanism is achieved, the fixity of the device to the heat exchange mechanism is improved, and stability and safety in the operation process of the device are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical heat exchange equipment, in particular to a heat exchange device for a trichlorosilane synthesis furnace. Background Art

[0002] Trichlorosilane, also known as trichlorosilane, is an inorganic substance with the chemical formula SiHCl3. It is a colorless liquid, very volatile, soluble in most organic solvents such as benzene and ether, and has stable properties. The synthesis furnace is the most important chemical production equipment in the synthesis of trichlorosilane. Silicon powder and hydrogen chloride gas react at high temperature in the furnace. Because silicon powder and hydrogen chloride gas generate a lot of heat in the reaction, it is necessary to control the temperature in real time under the reaction conditions through the heat exchange system in the furnace during the reaction.

[0003] In the existing technical scheme, a notice number: CN215598088U is proposed, which is a heat exchange device for a trichlorosilane synthesis furnace. The device adopts a split design and includes a cooling water supply unit, a steam recovery unit connected to the cooling water supply mechanism, a sealing connection unit connected to the cylinder of the trichlorosilane synthesis furnace, a pressure detection unit for pressure detection of the heat exchange device for the trichlorosilane synthesis furnace, and an outflow conveying unit for conveying the mixed gas in the heat exchange device for the trichlorosilane synthesis furnace.

[0004] In order to solve the problem that the existing method of manufacturing the heat exchange tubes of the synthesis furnace no longer has the physical conditions for adding more heat exchange tubes, the existing technology adopts a method that reduces the wear of the heat exchange tubes of the synthesis furnace, greatly increases the service life of the heat exchange tubes, and greatly simplifies the maintenance of the heat exchange device of the synthesis furnace. However, the heat exchange mechanism may become loose when used for a long time, resulting in shaking, which may cause the heat exchange mechanism to fall off and affect the normal operation of the equipment. Utility Model Content

[0005] The utility model aims to provide a heat exchange device for a trichlorosilane synthesis furnace to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0007] A heat exchange device for a trichlorosilane synthesis furnace comprises a trichlorosilane synthesis furnace body, a heat exchange furnace bin is fixedly installed on the top of the trichlorosilane synthesis furnace body, an air outlet pipe is fixedly connected to one side of the heat exchange furnace bin, and an air inlet pipe is fixedly installed on the top of the heat exchange furnace bin.

[0008] A mounting ring is fixedly mounted on the top of the inner cavity of the heat exchange furnace bin, and a mounting mechanism is arranged on the inner side of the mounting ring.

[0009] A sleeve base is fixedly mounted on the bottom of the inner cavity of the mounting ring, and a pressing mechanism is arranged on the inner side of the sleeve base.

[0010] A further improvement of the technical solution of the utility model is that: the mounting mechanism comprises a mounting plate, a clamping plate is fixedly mounted on one end of the mounting plate, and a limiting hole is provided on the top of the clamping plate.

[0011] By adopting the above technical solution, the function of the clamping installation is achieved through the cooperation between the mounting plate, the clamping plate and the limiting hole.

[0012] A further improvement of the technical solution of the utility model is that: an assembly plate is detachably connected to the inner side of the mounting ring, a heat exchange tube group is fixedly installed inside the assembly plate, a connecting base is fixedly installed at the bottom of the heat exchange tube group, and a filter plate is fixedly sleeved on the top of the heat exchange tube group.

[0013] By adopting the above technical solution, the heat exchange processing function is achieved through the cooperation between the assembly plate, the heat exchange tube group connection base and the filter plate.

[0014] A further improvement of the technical solution of the utility model is that a sleeve plate is provided on the outer side of the assembly plate, and the bottom of the sleeve plate is movably mounted on the top of the clamping plate.

[0015] By adopting the above technical solution, the function of positioning installation is achieved through the cooperation between the assembly plate, the sleeve plate and the clamping plate.

[0016] A further improvement of the technical solution of the utility model lies in that: a pressing column is movably installed inside the socket plate, a telescopic hole is opened on the outer side of the bottom of the pressing column, a pushing column is movably installed inside the pressing column, a pushing block is fixedly installed on the outer side of the pushing column, a reset spring column is movably connected to the outer side of the bottom of the pushing block, one end of the reset spring column is fixedly connected to the limiting column, and a spring assembly is movably installed on the outer side of the reset spring column.

[0017] By adopting the above technical solution, the pressing column, the telescopic hole, the pushing column, the pushing block and the reset spring column cooperate with each other to achieve the function of tight pressing and clamping.

[0018] A further improvement of the technical solution of the utility model is that the clamping mechanism includes a buffer pressure column, one end of which is movably connected to a clamping pad, and the inner side of the clamping pad is movably mounted on the outer side of the bottom of the connecting base.

[0019] By adopting the above technical solution, the function of compression buffering is achieved through the cooperation between the buffer pressure column and the compression pad.

[0020] A further improvement of the technical solution of the utility model is that auxiliary pressure pads are movably mounted on both ends of the pressing pad, and the other end of the auxiliary pressure pad is movably mounted on the inner side of the sleeve base.

[0021] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0022] 1. The utility model provides a heat exchange device for a trichlorosilane synthesis furnace. During the installation of the equipment, the base is connected to guide the heat exchange tube group to be installed inside the installation ring, the bottom of the sleeve plate and the top of the clamping plate are sleeved with each other to ensure a tight structure, and the pressing column is sleeved into the limiting hole to facilitate the installation of the device.

[0023] 2. The utility model provides a heat exchange device for a trichlorosilane synthesis furnace, which is sleeved on the inner side of a mounting ring through an assembly plate, and then a filter plate applies force to the mounting pressing and pushing column, and the pushing block pushes the reset spring column, so that the limit column is smoothly moved out of the telescopic hole, and the limit column is pressed against the inner wall of the limit hole, which is convenient for the device to improve the fixing function.

[0024] 3. The utility model provides a heat exchange device for a trichlorosilane synthesis furnace, which is installed on the top of a sleeve base through a heat exchange mechanism, and applies thrust to compress the compression pad inward, thereby generating a compression effect on the buffer pressure column, triggering the rebound mechanism of the buffer pressure column, and utilizing its rebound force to push the compression pad to tightly fix the bottom of the heat exchange mechanism, thereby achieving a stable clamping function for the heat exchange mechanism, increasing the fixation of the device to the heat exchange mechanism, and facilitating its stability and safety during operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a structural schematic diagram of the utility model;

[0026] Figure 2 This is a schematic diagram of the heat exchange furnace structure of the utility model;

[0027] Figure 3 This is a schematic diagram of the mounting ring structure of the utility model;

[0028] Figure 4 This is a schematic diagram of the assembly plate structure of the utility model;

[0029] Figure 5 This is a schematic diagram of the pushing column structure of the utility model.

[0030] In the figure: 1. trichlorosilane synthesis furnace body; 2. heat exchange furnace chamber; 3. exhaust pipe; 4. inlet pipe; 21. mounting ring; 22. connecting base; 23. heat exchange tube group; 24. assembly plate; 25. filter plate; 26. socket plate; 27. socket base; 211. mounting plate; 212. clamping plate; 213. limiting hole; 261. pressing column; 262. pushing column; 263. telescopic hole; 264. limiting column; 265. reset spring column; 266. spring assembly; 267. pushing block; 271. buffer pressure column; 272. pressing pad. DETAILED DESCRIPTION

[0031] The present invention is further described in detail below in conjunction with the embodiments:

[0032] like Figure 1-5 As shown, the utility model provides the following technical solutions.

[0033] Example 1

[0034] The present embodiment provides a heat exchange device for a trichlorosilane synthesis furnace, including a trichlorosilane synthesis furnace body 1, a heat exchange furnace bin 2 is fixedly installed on the top of the trichlorosilane synthesis furnace body 1, an air outlet pipe 3 is fixedly connected to one side of the heat exchange furnace bin 2, an air inlet pipe 4 is fixedly installed on the top of the heat exchange furnace bin 2, a mounting ring 21 is fixedly installed on the top of the inner cavity of the heat exchange furnace bin 2, a mounting mechanism is arranged on the inner side of the mounting ring 21, the mounting mechanism includes a mounting plate 211, a clamping plate 212 is fixedly installed on one end of the mounting plate 211, a limiting hole 213 is arranged on the top of the clamping plate 212, an assembly plate 24 is detachably connected to the inner side of the mounting ring 21, a heat exchange tube group 23 is fixedly installed inside the assembly plate 24, and the heat exchange tube A connecting base 22 is fixedly installed at the bottom of the group 23, a filter plate 25 is fixedly sleeved on the top of the heat exchange tube group 23, a sleeve plate 26 is provided on the outer side of the assembly plate 24, the bottom of the sleeve plate 26 is movably installed on the top of the clamping plate 212, a pressing column 261 is movably installed inside the sleeve plate 26, and a telescopic hole 263 is provided on the outer side of the bottom of the pressing column 261. The heat exchange tube group 23 is driven to be installed inside the mounting ring 21 through the connecting base 22, and the bottom of the sleeve plate 26 is sleeved on the top of the clamping plate 212, so that the pressing column 261 is conveniently sleeved inside the limiting hole 213, which is conducive to convenient installation of the device and convenient for the heat exchange tube group 23 to cooperate with the filter plate 25 to perform heat exchange treatment on the inside.

[0035] Example 2

[0036] On the basis of Example 1, this embodiment provides a technical solution: preferably, a pushing column 262 is movably installed inside the pressing column 261, a pushing block 267 is fixedly installed on the outside of the pushing column 262, a reset spring column 265 is movably connected to the outside of the bottom of the pushing block 267, one end of the reset spring column 265 is fixedly connected to the limiting column 264, and a spring assembly 266 is movably installed on the outside of the reset spring column 265. After the assembly plate 24 is sleeved on the inner side of the mounting ring 21, the filter plate is used to 25 pairs of installation press the pushing column 262, drive the pushing block 267 to push the reset spring column 265 to push the limit column 264 to move out of the telescopic hole 263, so that the limit column 264 can be pressed against the inner wall of the limit hole 213 for limit fixation, which is beneficial to the fixed installation of the device. When disassembling, cooperate with the removal of the filter plate 25 to release the limit pressure on the pushing column 262, and use the rebound force of the spring assembly 266 to drive the reset spring column 265 and the limit column 264 to retract, so as to achieve the function of convenient disassembly.

[0037] Example 3

[0038] On the basis of Example 1, this embodiment provides a technical solution: preferably, a sleeve base 27 is fixedly installed at the bottom of the inner cavity of the mounting ring 21, and a clamping mechanism is arranged on the inner side of the sleeve base 27, the clamping mechanism includes a buffer pressure column 271, one end of the buffer pressure column 271 is movably connected with a clamping pad 272, the inner side of the clamping pad 272 is movably installed on the outer side of the bottom of the connecting base 22, auxiliary pressure pads are movably installed at both ends of the clamping pad 272, and the other end of the auxiliary pressure pad is movably installed on the inner side of the sleeve base 27, and the heat exchange mechanism is installed on the top of the sleeve base 27 to push the clamping pad 272 inwardly to compress, thereby compressing the buffer pressure column 271, so that the rebound force of the buffer pressure column 271 pushes the clamping pad 272 to clamp and fix the bottom of the heat exchange mechanism, thereby achieving the function of clamping and clamping the heat exchange mechanism, which is beneficial for the device to provide fixity to the heat exchange mechanism, prevent the heat exchange mechanism from shaking, and affect the normal operation of the equipment.

[0039] The working principle of the heat exchange device of the trichlorosilane synthesis furnace is described in detail below.

[0040] like Figure 1-5 As shown, the heat exchange tube group 23 is driven to be installed inside the mounting ring 21 by connecting the base 22, and the bottom of the sleeve plate 26 is sleeved on the top of the clamping plate 212, so that the pressing column 261 is conveniently sleeved inside the limiting hole 213, which is conducive to the convenient installation of the device, and the heat exchange tube group 23 is convenient to cooperate with the filter plate 25 to perform heat exchange treatment on the inside. After the assembly plate 24 is sleeved on the inner side of the mounting ring 21, the filter plate 25 is used to install and press the pushing column 262, driving the pushing block 267 to push the reset spring column 265 to push the limiting column 264 out of the telescopic hole 263, so that the limiting column 264 is pressed against the inner wall of the limiting hole 213 for limiting fixation, which is conducive to The device is fixedly installed. When disassembling, the filter plate 25 is disassembled to release the limiting pressure on the pushing column 262. The rebound force of the spring assembly 266 is used to drive the reset spring column 265 and the limiting column 264 to retract, so as to achieve the function of convenient disassembly. Then, the heat exchange mechanism is installed on the top of the sleeve base 27, and the pressing pad 272 is pushed inward to compress the buffer pressure column 271, so that the rebound force of the buffer pressure column 271 pushes the pressing pad 272 to press and fix the bottom of the heat exchange mechanism, so as to achieve the function of pressing and clamping the heat exchange mechanism, which is beneficial for the device to provide fixity to the heat exchange mechanism and prevent the heat exchange mechanism from shaking and affecting the normal operation of the equipment.

[0041] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not deviate from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A heat exchange device for a trichlorosilane synthesis furnace, comprising a trichlorosilane synthesis furnace body (1), characterized in that: A heat exchange furnace bin (2) is fixedly mounted on the top of the trichlorosilane synthesis furnace body (1), an air outlet pipe (3) is fixedly connected to one side of the heat exchange furnace bin (2), and an air inlet pipe (4) is fixedly mounted on the top of the heat exchange furnace bin (2); A mounting ring (21) is fixedly mounted on the top of the inner cavity of the heat exchange furnace bin (2), and a mounting mechanism is arranged on the inner side of the mounting ring (21); A sleeve base (27) is fixedly mounted on the bottom of the inner cavity of the mounting ring (21), and a pressing mechanism is arranged on the inner side of the sleeve base (27).

2. A heat exchange device for a trichlorosilane synthesis furnace according to claim 1, characterized in that: The mounting mechanism comprises a mounting plate (211), a clamping plate (212) being fixedly mounted on one end of the mounting plate (211), and a limiting hole (213) being provided on the top of the clamping plate (212).

3. A heat exchange device for a trichlorosilane synthesis furnace according to claim 1, characterized in that: The inner side of the mounting ring (21) is detachably connected to an assembly plate (24), a heat exchange tube group (23) is fixedly mounted inside the assembly plate (24), a connecting base (22) is fixedly mounted on the bottom of the heat exchange tube group (23), and a filter plate (25) is fixedly sleeved on the top of the heat exchange tube group (23).

4. A heat exchange device for a trichlorosilane synthesis furnace according to claim 3, characterized in that: A sleeve plate (26) is provided on the outer side of the assembly plate (24), and the bottom of the sleeve plate (26) is movably mounted on the top of the clamping plate (212).

5. A heat exchange device for a trichlorosilane synthesis furnace according to claim 4, characterized in that: A pressing column (261) is movably installed inside the sleeve plate (26), a telescopic hole (263) is opened on the outer side of the bottom of the pressing column (261), a pushing column (262) is movably installed inside the pressing column (261), a pushing block (267) is fixedly installed on the outer side of the pushing column (262), a reset spring column (265) is movably connected to the outer side of the bottom of the pushing block (267), one end of the reset spring column (265) is fixedly connected to the limiting column (264), and a spring assembly (266) is movably installed on the outer side of the reset spring column (265).

6. A heat exchange device for a trichlorosilane synthesis furnace according to claim 1, characterized in that: The pressing mechanism comprises a buffer pressing column (271), one end of which is movably connected to a pressing pad (272), and the inner side of the pressing pad (272) is movably mounted on the outer side of the bottom of the connecting base (22).

7. A heat exchange device for a trichlorosilane synthesis furnace according to claim 6, characterized in that: Auxiliary pressure pads are movably mounted on both ends of the compression pad (272), and the other end of the auxiliary pressure pad is movably mounted on the inner side of the sleeve base (27).

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