Sealing structure of block hole heat exchanger

Abstract

The utility model belongs to the technical field of silicon carbide heat exchangers, and particularly relates to a block hole heat exchanger sealing structure which comprises a shell body, a shell flange is fixedly installed on the top of the shell body, and a first bolt is installed on the surface of the shell flange in a threaded mode. The surface of the first bolt is provided with the graphite packing body, the pressing ring and the lining polytetrafluoroethylene flange in a threaded mode. By assembling the shell flange, the graphite packing and the pressing ring, the deformation variable space of the graphite packing is guaranteed so as to achieve a better sealing effect, the spring additionally arranged on the lining polytetrafluoroethylene flange can be used for automatic compensation of thermal expansion and cold contraction, the wrapping pad additionally arranged below the lining polytetrafluoroethylene flange can improve air tightness, and both the spring and the wrapping pad play a role in improving sealing retention. The through holes are formed in the silicon carbide blocks in the shell body so as to adapt to different medium trends, materials are fed through the feeding pipe and discharged through the discharging pipe, efficient heat exchange is completed through cooperation with the through holes, and the device is high in volume utilization rate, good in heat transfer effect and sealing effect and extremely high in practicability.

Description

TECHNICAL FIELD

[0001] The utility model belongs to silicon carbide heat exchanger technical field, concretely relates to a block hole heat exchanger sealing structure. BACKGROUND

[0002] Silicon carbide heat exchanger is a kind of new heat exchanger using silicon carbide ceramic material as heat transfer medium.Due to the excellent characteristics of silicon carbide ceramic, such as corrosion resistance, high temperature resistance, high thermal conductivity, high hardness and wear resistance, silicon carbide ceramic heat exchanger is suitable for the use demand of high temperature and corrosion resistance environment.

[0003] The existing block hole heat exchanger sealing structure device is simple in packing depth and sealing effect setting, cannot guarantee the type change variable space of graphite packing more accurately, makes it achieve better sealing effect, due to the problem of poor sealing effect, further leads to low heat exchange efficiency, and the practicability of device is not high, and the problem that the device is aimed at is how to improve packing depth and sealing effect, improve heat exchange efficiency and increase the practicability of device. INVENTION CONTENTS

[0004] To solve the problems in the above background art, the utility model provides a block hole heat exchanger sealing structure, which solves the problems of how to improve packing depth and sealing effect, improve heat exchange efficiency and increase the practicability of device.

[0005] To achieve the above object, the utility model provides the following technical scheme: a block hole heat exchanger sealing structure, including shell body, the top fixed mounting of shell body is equipped with shell flange, the surface of shell flange is equipped with first bolt, the surface of first bolt is equipped with graphite packing body, compression ring, lining fluorine flange, and graphite packing body is arranged in the middle of shell flange and compression ring, and lining fluorine flane is arranged above compression ring, the top of lining fluorine flane is fixedly installed with spring, and spring is connected with first bolt by screw thread, the surface of lining fluorine flane is fixedly installed with upper head, the top of upper head is fixedly installed with feed pipe, the inside of shell body is fixedly installed with silicon carbide block, the surface of silicon carbide block is equipped with through-hole, the bottom of shell body is fixedly installed with lining fluorine flange, the surface of lining fluorine flange is equipped with second bolt, the surface of upper and lower sides of lining fluorine flange is movably installed with cladding pad, and cladding pad is connected with second bolt by screw thread, the bottom of shell body is fixedly installed with lower head, and the bottom of lower head is fixedly installed with discharge pipe.

[0006] Preferably, the surface of the first bolt is screw-mounted with a first hexagonal bolt cap and a second hexagonal bolt cap, the first hexagonal bolt cap is arranged above the compression ring and below the shell flange, and the second hexagonal bolt cap is arranged above the spring, the surface of the second bolt is screw-mounted with a third hexagonal bolt cap, and the third hexagonal bolt cap is arranged above and below the cladding pad.

[0007] Preferably, the surface of the silicon carbide block is fixedly mounted with K-shaped gaskets, and the K-shaped gaskets are arranged in multiple and linearly arranged on the surface of the silicon carbide block.

[0008] Preferably, the top of the feeding pipe is fixedly mounted with a first butt joint ring, the surface of the first butt joint ring is provided with a first butt joint hole, the bottom of the discharging pipe is fixedly mounted with a second butt joint ring, and the surface of the second butt joint ring is provided with a second butt joint hole.

[0009] Preferably, the surfaces of the left and right sides of the shell body are fixedly mounted with mounting plates, and the surfaces of the mounting plates are fixedly mounted with U-shaped supports.

[0010] Preferably, the surface of the bottom of the U-shaped support is provided with a mounting hole in a threaded manner.

[0011] Preferably, the surfaces of the upper and lower sides of the shell body are fixedly mounted with mounting pipes, one end of the mounting pipe is fixedly mounted with a third butt joint ring, and the surface of the third butt joint ring is provided with a third butt joint hole.

[0012] Compared with the prior art, the device has the beneficial effects that:

[0013] The shell flange is assembled with the graphite packing and the compression ring to ensure the type change space of the graphite packing, so that better sealing effect is achieved, the spring is additionally arranged on the lining fluorine flange to serve as automatic compensation of thermal expansion and cold contraction, the cladding pad is additionally arranged below the lining fluorine flange to improve the air tightness, the through hole is arranged on the silicon carbide block in the shell body to be suitable for different medium directions, the feeding pipe is used to put materials and the discharging pipe is used to discharge materials, and the through hole is used to complete efficient heat exchange, the device has the advantages of high temperature resistance and pressure resistance, high volume utilization rate, good heat transfer effect and sealing effect, and high practicability. BRIEF DESCRIPTION OF DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the device, constitute a part of the specification, are used to explain the device together with embodiments of the device, and do not constitute a limitation to the device. In the drawings:

[0015] Fig. 1 It is a first three-dimensional structure of the device;

[0016] Fig. 2The second kind of three-dimensional structure diagram of the utility model;

[0017] Fig. 3 The inside sectional view of the shell body.

[0018] In the figure: 1, shell body; 2, shell flange; 3, graphite disc base body; 4, compression ring; 5, fluorine lining flange upper; 6, first bolt; 7, spring; 8, upper head; 9, feed pipe; 10, silicon carbide block; 11, through hole; 12, cladding pad; 13, fluorine lining flange lower; 14, lower head; 15, discharge pipe; 16, first hexagonal bolt cap; 17, third hexagonal bolt cap; 18, K-shaped gasket; 19, first butt joint ring; 20, first butt joint hole; 21, second butt joint ring; 22, second butt joint hole; 23, third hexagonal bolt cap; 24, mounting plate; 25, U-shaped support; 26, mounting hole; 27, mounting pipe; 28, third butt joint ring; 29, third butt joint hole. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in 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 in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0020] Please refer to Figs. 1-3 The utility model provides the following technical scheme: a block hole heat exchanger sealing structure, including shell body 1, the top fixed mounting of shell body 1 with shell flange 2, the surface thread mounting of shell flange 2 with first bolt 6, the surface thread mounting of first bolt 6 has graphite disc base body 3, compression ring 4, fluorine lining flange upper 5, and graphite disc base body 3 is arranged in the middle of shell flange 2 and compression ring 4, and fluorine lining flange upper 5 is arranged above compression ring 4, the top fixed mounting of fluorine lining flange upper 5 has spring 7 above, and spring 7 is connected with first bolt 6 by screw thread, the surface fixed mounting of fluorine lining flange upper 5 has upper head 8, the top fixed mounting of upper head 8 has feed pipe 9, the inside fixed mounting of shell body 1 has silicon carbide block 10, the surface of silicon carbide block 10 is provided with through hole 11, the bottom fixed mounting of shell body 1 has fluorine lining flange lower 13, the surface thread mounting of fluorine lining flange lower 13 has second bolt, the surface of the upper and lower sides of fluorine lining flange lower 13 is movably installed with cladding pad 12, and cladding pad 12 is connected with second bolt by screw thread, the bottom fixed mounting of shell body 1 has lower head 14, and the bottom fixed mounting of lower head 14 has discharge pipe 15.

[0021] The shell flange 2 is assembled with the graphite disc base body 3 and the compression ring 4 by the first bolt 6, which can ensure the deformation variable space of the graphite disc base body 4 and achieve better sealing effect. The spring 7 installed on the upper part of the fluorine-lined flange 5 can automatically compensate the thermal expansion and cold contraction. The covering pad 12 installed on the lower fluorine-lined flange 13 by the second bolt can improve the air tightness, which can improve the sealing effect. The through hole 11 is arranged on the silicon carbide block 10 in the shell body 1 to adapt to different medium directions. The upper head 8 and the feeding pipe 9 are used to put materials, and the lower head 14 and the discharging pipe 15 are used to discharge materials, which can complete efficient heat exchange with the through hole 11. The device has the advantages of high temperature resistance, high pressure resistance, high volume utilization rate, good heat transfer effect and sealing effect, and high practicability. The first hexagonal bolt cap 16, the second hexagonal bolt cap 23 and the third hexagonal bolt cap 17 are arranged to better connect the first bolt 6 and the second bolt to the compression ring 4, the graphite disc base body 4, the spring 7 and the covering pad 12 on the fluorine-lined flange 5 and the fluorine-lined flange 13. The K-shaped gasket 18 is fixedly installed on the surface of the silicon carbide block 10, which can better make the material flow or move, and increase the practicability of the device structure. The first connecting ring 19 and the first connecting hole 20, the second connecting ring 21 and the second connecting hole 22 are arranged to better connect the feeding pipe 9 and the discharging pipe 15 with the external structure. The mounting pipe 27, the third connecting ring 28 and the third connecting hole 29 are arranged to better connect the mounting pipe 27 with the external structure, and increase the integrity of the device structure. The mounting plate 24 is fixedly installed on the left and right surfaces of the shell body 1. The U-shaped support 25 is fixedly installed on the surface of the mounting plate 24, which can better connect the shell body 1 with the external structure through the U-shaped support. The mounting hole 26 is arranged on the bottom surface of the U-shaped support 25 in a threaded manner, which can be more stably installed through the threaded mounting mode, and increase the stability of the device structure. All the electrical equipment in the device is powered by an external power supply.

[0022] In one aspect of the embodiment, the first hexagonal bolt cap 16, the second hexagonal bolt cap 23 and the third hexagonal bolt cap 17 are arranged to better connect the first bolt 6 and the second bolt to the compression ring 4, the graphite disc base body 4, the spring 7 and the covering pad 12 on the fluorine-lined flange 5 and the fluorine-lined flange 13. The K-shaped gasket 18 is fixedly installed on the surface of the silicon carbide block 10, which can better make the material flow or move, and increase the practicability of the device structure.

[0023] In one aspect of the embodiment, the first docking ring 19 and the first docking hole 20, the second docking ring 21 and the second docking hole 22 are arranged to facilitate the docking of the feed pipe 9 and the discharge pipe 15 with the external structure, respectively, and the mounting pipe 27, the third docking ring 28 and the third docking hole 29 are arranged to facilitate the docking of the mounting pipe 27 with the external structure to adapt to the material medium in the different shell passages and increase the integrity of the device structure.

[0024] In one aspect of the embodiment, the mounting plate 24 is fixedly installed on the left and right surfaces of the shell body 1, and the U-shaped bracket 25 is fixedly installed on the surface of the mounting plate 24, which facilitates the installation and fixation of the shell body 1 with the external structure through the U-shaped bracket, and the mounting hole 26 is arranged in a threaded manner at the bottom surface of the U-shaped bracket 25, which facilitates the stable installation through the threaded mounting and increases the stability of the device structure.

[0025] Finally, it should be noted that: the above only for the preferred embodiments of the present application and not for limiting the present application, although the foregoing detailed description of the present application is made with reference to the foregoing embodiments, for those skilled in the art, it still can be modified to the technical solutions recorded in the foregoing embodiments, or equivalent replacement of some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A sealing structure of a block-hole heat exchanger, comprising a housing body (1), characterized in that: The top of the shell body (1) is fixedly installed with a shell flange (2), the surface of the shell flange (2) is threadedly installed with a first bolt (6), the surface of the first bolt (6) is threadedly installed with a graphite disc base body (3), a compression ring (4), a fluorine lining flange (5), the graphite disc base body (3) is arranged between the shell flange (2) and the compression ring (4), the fluorine lining flange (5) is arranged above the compression ring (4), the top of the fluorine lining flange (5) is fixedly installed with a spring (7), the spring (7) is threadedly connected with the first bolt (6), the surface of the fluorine lining flange (5) is fixedly installed with an upper head (8), the top of the upper head (8) is fixedly installed with a feeding pipe (9), the inside of the shell body (1) is fixedly installed with a silicon carbide block (10), the surface of the silicon carbide block (10) is provided with a through hole (11), the bottom of the shell body (1) is fixedly installed with a fluorine lining flange (13), the surface of the fluorine lining flange (13) is threadedly installed with a second bolt, the surfaces of the upper and lower sides of the fluorine lining flange (13) are movably installed with a cladding pad (12), the cladding pad (12) is threadedly connected with the second bolt, the bottom of the shell body (1) is fixedly installed with a lower head (14), the bottom of the lower head (14) is fixedly installed with a discharging pipe (15).

2. A sealed structure of a block hole heat exchanger according to claim 1, wherein: The surface of the first bolt (6) is threadedly installed with a first hexagonal bolt cap (16) and a second hexagonal bolt cap (23), the first hexagonal bolt cap (16) is arranged above the compression ring (4) and below the shell flange (2), the second hexagonal bolt cap (23) is arranged above the spring (7), the surface of the second bolt is threadedly installed with a third hexagonal bolt cap (17), and the third hexagonal bolt cap (17) is arranged above and below the cladding pad (12).

3. A sealed structure of a block hole heat exchanger according to claim 1, wherein: The surface of the silicon carbide block (10) is fixedly installed with K-shaped gaskets (18), the K-shaped gaskets (18) are arranged in multiple, and the multiple K-shaped gaskets (18) are linearly arranged on the surface of the silicon carbide block (10).

4. A sealed structure of a block hole heat exchanger according to claim 1, wherein: The top of the feeding pipe (9) is fixedly installed with a first butt joint ring (19), the surface of the first butt joint ring (19) is provided with a first butt joint hole (20), the bottom of the discharging pipe (15) is fixedly installed with a second butt joint ring (21), the surface of the second butt joint ring (21) is provided with a second butt joint hole (22).

5. A sealed structure of a block hole heat exchanger according to claim 1, wherein: The surfaces of the left and right sides of the shell body (1) are fixedly installed with mounting plates (24), the surfaces of the mounting plates (24) are fixedly installed with U-shaped supports (25).

6. A sealed structure of a block hole heat exchanger according to claim 5, wherein: The surface of the bottom of the U-shaped support (25) is provided with a mounting hole (26), and the mounting hole (26) is in a threaded shape.

7. A sealed structure of a block hole heat exchanger according to claim 1, wherein: The surfaces of the upper and lower sides of the surface of the shell body (1) are fixedly installed with mounting pipes (27), one end of the mounting pipe (27) is fixedly installed with a third butt joint ring (28), the surface of the third butt joint ring (28) is provided with a third butt joint hole (29).

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