Trichlorosilane heat exchanger

Abstract

The utility model discloses a trichlorosilane heat exchanger in the field of chemical equipment. The trichlorosilane heat exchanger comprises a shell. A first-stage heat exchange cavity, a second-stage heat exchange cavity and a third-stage heat exchange cavity are sequentially arranged in the shell from left to right, a first flow dividing area is arranged between the first-stage heat exchange cavity and the second-stage heat exchange cavity, and a second flow dividing area is arranged between the second-stage heat exchange cavity and the third-stage heat exchange cavity. The interior of the first-stage heat exchange cavity is evenly divided into four first-stage heat exchange sub-cavities through partition plates, the interior of the second-stage heat exchange cavity is evenly divided into three second-stage heat exchange sub-cavities through partition plates, and the interior of the third-stage heat exchange cavity is evenly divided into two third-stage heat exchange sub-cavities through partition plates. And a heat exchange pipe is arranged in each of the first-stage heat exchange sub-cavity, the second-stage heat exchange sub-cavity and the third-stage heat exchange sub-cavity. The heat exchanger is high in heat exchange efficiency, and the heat exchange efficiency and the production efficiency are remarkably improved by means of a three-stage heat exchange structure of the first-stage heat exchange cavity, the second-stage heat exchange cavity and the third-stage heat exchange cavity.

Description

Technical Field

[0001] The utility model relates to the field of chemical equipment, in particular to a trichlorosilane heat exchanger. Background Art

[0002] Heat exchanger is a device that transfers part of the heat of hot fluid to cold fluid, also known as heat exchanger. Heat exchanger plays an important role in chemical, petroleum, power, food and many other industrial productions and is widely used.

[0003] The existing heat exchangers used in the production of trichlorosilane have low heat exchange efficiency, which reduces production efficiency and urgently needs to be improved. Utility Model Content

[0004] The main purpose of the utility model is to provide a trichlorosilane heat exchanger to solve the problems mentioned in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0006] A trichlorosilane heat exchanger comprises a shell, wherein a feed port and a discharge port are respectively arranged at the left and right ends of the shell. From left to right, the shell is provided with a primary heat exchange cavity, a secondary heat exchange cavity and a tertiary heat exchange cavity, and a first flow distribution area is arranged between the primary heat exchange cavity and the secondary heat exchange cavity, and a second flow distribution area is arranged between the secondary heat exchange cavity and the tertiary heat exchange cavity.

[0007] A four-hole plate is sealed and installed on each of the left and right sides of the first-stage heat exchange chamber, and four first through holes are symmetrically provided on the four-hole plate, and the first-stage heat exchange chamber is evenly divided into four first-stage sub-heat exchange chambers by a partition, and the first-stage sub-heat exchange chamber is arranged correspondingly to the first through hole. A three-hole plate is sealed and installed on each of the left and right sides of the second-stage heat exchange chamber, and three second through holes are symmetrically provided on the three-hole plate, and the second-stage heat exchange chamber is evenly divided into three second-stage sub-heat exchange chambers by a partition, and the second-stage sub-heat exchange chamber is arranged correspondingly to the second through hole. A double-hole plate is sealed and installed on each of the left and right sides of the third-stage heat exchange chamber, and two third through holes are symmetrically provided on the double-hole plate, and the third-stage heat exchange chamber is evenly divided into two third-stage sub-heat exchange chambers by a partition, and the third-stage sub-heat exchange chamber is arranged correspondingly to the third through hole. A heat exchange tube is provided in each of the first-stage sub-heat exchange chamber, the second-stage sub-heat exchange chamber, and the third-stage sub-heat exchange chamber.

[0008] Furthermore, the four-hole plate, the three-hole plate and the double-hole plate are parallel to each other and perpendicular to the central axis of the shell.

[0009] Furthermore, the heat exchange tube is a spiral tube, a cold water inlet is provided at one end of the heat exchange tube, a cold water outlet is provided at the other end of the heat exchange tube, and cooling water flows through the heat exchange tube.

[0010] The utility model also includes other components that enable the trichlorosilane heat exchanger to be used normally, and these devices or components all adopt conventional technical means in the field. In addition, the devices and components not limited in the utility model all adopt conventional technical means in the field, such as the housing in this application. In the specific implementation process, the appropriate device or component model can be selected according to the specific working scene.

[0011] The working principle of the utility model is: a three-stage heat exchange structure of a primary heat exchange chamber, a secondary heat exchange chamber and a tertiary heat exchange chamber is set, a heat exchange tube is provided in each of the primary sub-heat exchange chamber, the secondary sub-heat exchange chamber and the tertiary sub-heat exchange chamber, and flowing cooling water is passed through the heat exchange tube, thereby realizing efficient heat exchange.

[0012] Compared with the prior art, the utility model has the following beneficial effects: high heat exchange efficiency, and significantly improves heat exchange efficiency and production efficiency through a three-stage heat exchange structure of a primary heat exchange chamber, a secondary heat exchange chamber and a tertiary heat exchange chamber. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The utility model is a schematic diagram of the internal structure of a trichlorosilane heat exchanger.

[0014] Figure 2 It is a structural schematic diagram of the four-hole plate of the utility model.

[0015] Figure 3 It is a structural schematic diagram of the three-hole plate of the utility model.

[0016] Figure 4 It is a structural schematic diagram of the double-hole plate of the utility model.

[0017] In the figure: 1. shell; 2. feed inlet; 3. discharge port; 4. primary heat exchange chamber; 5. secondary heat exchange chamber; 6. tertiary heat exchange chamber; 7. four-hole plate; 8. three-hole plate; 9. double-hole plate; 10. partition; 11. first diversion area; 12. second diversion area; 13. heat exchange tube; 14. cold water inlet; 15. cold water outlet; 16. first through hole; 17. second through hole; 18. third through hole. DETAILED DESCRIPTION

[0018] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0019] Example:

[0020] like Figures 1 to 4As shown, a trichlorosilane heat exchanger comprises a shell 1, and a feed port 2 and a discharge port 3 are respectively provided at the left and right ends of the shell 1. From left to right, the shell 1 is provided with a primary heat exchange chamber 4, a secondary heat exchange chamber 5 and a tertiary heat exchange chamber 6, and a first flow distribution area 11 is provided between the primary heat exchange chamber 4 and the secondary heat exchange chamber 5, and a second flow distribution area 12 is provided between the secondary heat exchange chamber 5 and the tertiary heat exchange chamber 6.

[0021] Four-hole plates 7 are sealed and installed on both sides of the first-stage heat exchange chamber 4. Four first through holes 16 are symmetrically provided on the four-hole plates 7. The first-stage heat exchange chamber 4 is evenly divided into four first-stage sub-heat exchange chambers by a partition plate 10. The first-stage sub-heat exchange chambers are arranged corresponding to the first through holes 16.

[0022] A three-hole plate 8 is sealed and installed on both sides of the secondary heat exchange chamber 5. Three second through holes 17 are symmetrically provided on the three-hole plate 8. The secondary heat exchange chamber 5 is evenly divided into three secondary sub-heat exchange chambers by a partition plate 10. The secondary sub-heat exchange chambers are arranged corresponding to the second through holes 17.

[0023] Double-hole plates 9 are sealed and installed on both sides of the third-stage heat exchange chamber 6. Two third through holes 18 are symmetrically provided on the double-hole plates 9. The third-stage heat exchange chamber 6 is evenly divided into two third-stage sub-heat exchange chambers by a partition plate 10. The third-stage sub-heat exchange chambers are arranged corresponding to the third through holes 18. A heat exchange tube 13 is arranged in each of the first-stage sub-heat exchange chamber, the second-stage sub-heat exchange chamber and the third-stage sub-heat exchange chamber.

[0024] Specifically, the four-hole plate 7, the three-hole plate 8 and the double-hole plate 9 are parallel to each other and perpendicular to the central axis of the shell 1. The heat exchange tube 13 is a spiral tube, one end of the heat exchange tube 13 is provided with a cold water inlet 14, the other end of the heat exchange tube 13 is provided with a cold water outlet 15, and the heat exchange tube 13 is filled with flowing cooling water.

[0025] The working principle of a trichlorosilane heat exchanger of the utility model is: a three-stage heat exchange structure of a primary heat exchange chamber 4, a secondary heat exchange chamber 5 and a tertiary heat exchange chamber 6 is set, a heat exchange tube 13 is arranged in each of the primary sub-heat exchange chamber, the secondary sub-heat exchange chamber and the tertiary sub-heat exchange chamber, and flowing cooling water is passed through the heat exchange tube 13, so as to realize efficient heat exchange.

[0026] The above embodiments are only descriptions of the preferred implementation modes of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope of the present invention.

Claims

1. A trichlorosilane heat exchanger, comprising a housing (1), wherein the housing (1) is provided with a feed inlet (2) and a discharge outlet (3) at the left and right ends thereof, respectively, and characterized in that: The shell (1) includes, from left to right, a primary heat exchange chamber (4), a secondary heat exchange chamber (5) and a tertiary heat exchange chamber (6), and a first flow distribution area (11) is provided between the primary heat exchange chamber (4) and the secondary heat exchange chamber (5), and a second flow distribution area (12) is provided between the secondary heat exchange chamber (5) and the tertiary heat exchange chamber (6); four-hole plates (7) are sealed and installed on the left and right sides of the primary heat exchange chamber (4), and four first through holes (16) are symmetrically provided on the four-hole plates (7); the primary heat exchange chamber (4) is evenly divided into four primary sub-heat exchange chambers by a partition plate (10), and the primary sub-heat exchange chambers are arranged corresponding to the first through holes (16); the secondary heat exchange chamber (5) is sealed and installed on the left and right sides of the A three-hole plate (8) is sealed and installed, and three second through holes (17) are symmetrically provided on the three-hole plate (8), and the second-stage heat exchange chamber (5) is evenly divided into three second-stage sub-heat exchange chambers by a partition plate (10), and the second-stage sub-heat exchange chambers are arranged corresponding to the second through holes (17); a double-hole plate (9) is sealed and installed on the left and right sides of the third-stage heat exchange chamber (6), and two third through holes (18) are symmetrically provided on the double-hole plate (9), and the third-stage heat exchange chamber (6) is evenly divided into two third-stage sub-heat exchange chambers by a partition plate (10), and the third-stage sub-heat exchange chambers are arranged corresponding to the third through holes (18); a heat exchange tube (13) is provided in each of the first-stage sub-heat exchange chamber, the second-stage sub-heat exchange chamber and the third-stage sub-heat exchange chamber.

2. The trichlorosilane heat exchanger according to claim 1, characterized in that: The four-hole plate (7), the three-hole plate (8) and the double-hole plate (9) are parallel to each other and perpendicular to the central axis of the shell (1).

3. The trichlorosilane heat exchanger according to claim 1, characterized in that: The heat exchange tube (13) is a spiral tube. A cold water inlet (14) is provided at one end of the heat exchange tube (13), and a cold water outlet (15) is provided at the other end of the heat exchange tube (13). Cooling water flows in the heat exchange tube (13).

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