Multi-sealing high-pressure fluorine lining equipment

Abstract

The utility model discloses a multi-sealing high-pressure fluorine lining device, and relates to the technical field of fluorine lining devices, the multi-sealing high-pressure fluorine lining device is provided with a first sealing sleeve, a first sealing washer, an extension sleeve, a second sealing washer and a fixed sleeve; the fluorine-lined valve seat and the connecting sleeve can be connected with an external pipeline, and the external pipeline and the interior of the fluorine-lined valve seat can be sealed, so that no gap is formed when a medium passes through the fluorine-lined valve seat and the connecting sleeve, the extension sleeve extends into the fluorine-lined valve seat, and the joint of the first connecting plate and the second connecting plate can be sealed; meanwhile, a second sealing gasket outside the extension sleeve is clamped on a second connecting plate, multiple sealing between the two connecting plates is achieved, media can be prevented from flowing out of a gap between the two connecting plates, the sealing performance is better, in addition, a filter screen is further arranged in the fixing sleeve to filter the media, and the filtering effect is better. Impurities in media can be prevented from entering the fluorine lining valve seat from the connecting sleeve, and the fluorine lining valve seat is more durable.

Description

Technical Field

[0001] The utility model relates to the technical field of fluorine lining equipment, in particular to a multi-sealed high-pressure fluorine lining equipment. Background Art

[0002] At present, with the continuous development of science and technology, there are more and more types of fluorine-lined equipment. Fluorine-lined equipment has the mechanical strength of steel products, and has the characteristics of polytetrafluoroethylene corrosion resistance, no scaling, and not easy to grow microorganisms. It is a kind of equipment with good anti-corrosion performance. Fluorine-lined equipment includes fluorine-lined pumps, fluorine-lined pipes, etc. Among them, the use of fluorine-lined pumps is becoming more and more extensive, and the performance requirements for them are also getting higher and higher.

[0003] Nowadays, high-pressure fluorine-lined pumps have also been widely used. However, most of the high-pressure fluorine-lined pumps on the market have a relatively simple structure. Although long-term use will not affect the normal operation of the high-pressure fluorine-lined pumps, the sealing will become worse and worse. Most of the high-pressure fluorine-lined pumps do not have a multiple sealing structure, and the sealing is not very good. Utility Model Content

[0004] In view of the deficiencies of the prior art, the utility model provides a multi-sealed high-pressure fluorine-lined equipment, which solves the problem of poor sealing performance.

[0005] To achieve the above purpose, the utility model is implemented through the following technical solutions: a multi-seal high-pressure fluorine-lined equipment, including a fluorine-lined valve seat, a connecting sleeve is detachably installed on the side of the fluorine-lined valve seat, and connecting flanges are provided on the ends of the fluorine-lined valve seat and the connecting sleeve. A first sealing sleeve is installed inside the fluorine-lined valve seat, and a first sealing gasket is provided on one side of the first sealing sleeve. A support seat is welded to the upper end of the fluorine-lined valve seat, and a connecting frame is installed on the upper end of the support seat by bolts. A second sealing sleeve is detachably installed on the connecting frame, a high-voltage motor is installed on the upper side of the connecting frame, and a mounting plate is fixedly installed on the end of the high-voltage motor. The output shaft of the high-voltage motor is provided with a motor shaft, a valve stem is fixedly installed on the end of the motor shaft, and a valve body is fixedly installed on the end of the valve stem. A first connecting plate is fixedly installed on the other end of the connecting sleeve, and a second connecting plate corresponding to the first connecting plate is provided on the other end of the fluorine-lined valve seat. An extension sleeve is fixedly installed on the surface of the first connecting plate, and a second sealing gasket is provided on the outer side of the extension sleeve. A fixed sleeve is detachably installed on the outer side of the extension sleeve, and a filter screen is provided on the inner side of the fixed sleeve.

[0006] Preferably, the fixing sleeve is provided with evenly distributed connecting ear plates on the outside, and the extending sleeve is provided with connecting grooves corresponding to the connecting ear plates on the surface.

[0007] Furthermore, a connecting rod is fixedly installed inside the connecting groove, and a positioning hole corresponding to the connecting rod is opened on the surface of the connecting ear plate.

[0008] Preferably, a clamping sleeve is provided at the lower side of the second sealing sleeve, and a connecting ring is fixedly installed at the upper end of the second sealing sleeve, and the connecting ring is installed on the connecting frame by bolts.

[0009] Furthermore, a mounting groove is provided at the bottom of the connecting frame, and the connecting ring is detachably mounted inside the mounting groove.

[0010] Preferably, a positioning sleeve is fixedly mounted on the upper end of the first sealing sleeve, and a through hole corresponding to the support seat is opened on the surface of the positioning sleeve.

[0011] Preferably, the first sealing sleeve is attached to both ends of the first sealing gasket and the fixing sleeve, and the valve body is attached to the inner wall of the first sealing sleeve. Beneficial Effects

[0012] The utility model provides a multi-sealed high-pressure fluorine-lined device. Compared with the prior art, it has the following beneficial effects:

[0013] The multi-sealed high-pressure fluorine-lined equipment can seal from the connection between the fluorine-lined valve seat and the connecting sleeve and the external pipeline, and from the external pipeline and the inside of the fluorine-lined valve seat by providing a first sealing sleeve, a first sealing gasket, an extension sleeve, a second sealing gasket and a fixed sleeve, so that no gap will appear in the process of the medium passing through the fluorine-lined valve seat and the connecting sleeve. The extension sleeve extends to the inside of the fluorine-lined valve seat to seal the connection between the first connecting plate and the second connecting plate. At the same time, the second sealing gasket outside the extension sleeve is engaged on the second connecting plate to achieve multiple seals between the two connecting plates, which can prevent the medium from flowing out from the gap between the two connecting plates and has better sealing. In addition, a filter net is also provided in the fixed sleeve to filter the medium, which can prevent impurities in the medium from entering the inside of the fluorine-lined valve seat from the connecting sleeve, thereby reducing the wear of the valve body and making it more durable. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model.

[0015] Figure 2 It is a structural schematic diagram of the fluorine-lined valve seat of the utility model.

[0016] Figure 3 It is a schematic diagram of the installation structure of the fixing sleeve in the utility model.

[0017] Figure 4 It is a structural schematic diagram of the first sealing sleeve in the utility model.

[0018] In the figure: 1. fluorine-lined valve seat; 2. connecting sleeve; 3. connecting flange; 4. first sealing sleeve; 401. positioning sleeve; 5. first sealing gasket; 6. support seat; 7. connecting frame; 701. mounting groove; 8. high-voltage motor; 9. mounting plate; 10. second sealing sleeve; 1001. ferrule; 1002. connecting ring; 11. first connecting plate; 12. second connecting plate; 13. extension sleeve; 14. second sealing gasket; 15. fixing sleeve; 16. filter screen; 17. connecting ear plate; 18. connecting groove; 19. connecting rod. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-4 The utility model provides a technical solution: a multi-sealed high-pressure fluorine-lined equipment, including a fluorine-lined valve seat 1, a connecting sleeve 2 is detachably installed on the side of the fluorine-lined valve seat 1, a connecting flange 3 is arranged at the end of the fluorine-lined valve seat 1 and the connecting sleeve 2, a first sealing sleeve 4 is installed inside the fluorine-lined valve seat 1, a first sealing gasket 5 is arranged on one side of the first sealing sleeve 4, a support seat 6 is welded to the upper end of the fluorine-lined valve seat 1, a connecting frame 7 is installed on the upper end of the support seat 6 by bolts, a second sealing sleeve 10 is detachably installed on the connecting frame 7, a high-voltage motor 8 is installed on the upper side of the connecting frame 7, a mounting plate 9 is fixedly installed at the end of the high-voltage motor 8, a motor shaft is arranged on the output shaft of the high-voltage motor 8, a valve stem is fixedly installed at the end of the motor shaft, a valve body is fixedly installed at the end of the valve stem, and a connecting sleeve 2 is fixedly installed at the other end. A first connecting plate 11 and a second connecting plate 12 corresponding to the first connecting plate 11 are arranged at the other end of the fluorine-lined valve seat 1. An extension sleeve 13 is fixedly installed on the surface of the first connecting plate 11. A second sealing gasket 14 is arranged on the outside of the extension sleeve 13. The extension sleeve 13 extends to the inside of the fluorine-lined valve seat 1 to seal the connection between the first connecting plate 11 and the second connecting plate 12. At the same time, the second sealing gasket 14 on the outside of the extension sleeve 13 is engaged with the second connecting plate 12 to achieve multiple seals between the two connecting plates. A fixed sleeve 15 is detachably installed on the outside of the extension sleeve 13. A filter screen 16 is arranged on the inside of the fixed sleeve 15. The filter screen 16 can filter the medium to prevent impurities in the medium from entering the inside of the fluorine-lined valve seat 1 from the connecting sleeve 2, thereby reducing the wear of the valve body.

[0021] The fixing sleeve 15 is provided with evenly distributed connecting ear plates 17 on the outside, and the surface of the extension sleeve 13 is provided with connecting grooves 18 corresponding to the connecting ear plates 17. The fixing sleeve 15 can be installed on the extension sleeve 13 through the mutual cooperation between the connecting ear plates 17 and the connecting grooves 18. A connecting rod 19 is fixedly installed inside the connecting groove 18, and a positioning hole corresponding to the connecting rod 19 is opened on the surface of the connecting ear plates 17. A clamping sleeve 1001 is provided on the lower side of the second sealing sleeve 10, and a connecting ring 1002 is fixedly installed on the upper end of the second sealing sleeve 10. The connecting ring 1002 is installed on the connecting ring 1002 by bolts. On the connecting frame 7, a mounting groove 701 is provided at the bottom of the connecting frame 7, and a connecting ring 1002 is detachably installed inside the mounting groove 701. Through the cooperation between the mounting groove 701 and the connecting ring 1002, the second sealing sleeve 10 can be installed on the connecting frame 7. A positioning sleeve 401 is fixedly installed on the upper end of the first sealing sleeve 4, and a through hole corresponding to the support seat 6 is provided on the surface of the positioning sleeve 401. The first sealing sleeve 4 is affixed to both ends of the first sealing gasket 5 and the fixing sleeve 15, and the valve body is affixed to the inner wall of the first sealing sleeve 4, which can avoid a gap between the valve body and the fluorine-lined valve seat 1.

[0022] During operation, first install the second sealing sleeve 10 on the connecting frame 7, then install the high-voltage motor 8 on the connecting frame 7, connect the mounting plate 9 and the connecting frame 7 with bolts, then install the fixing sleeve 15 on the extension sleeve 13, and connect the first connecting plate 11 and the second connecting plate 12 with bolts, so that the whole structure is installed as a whole. When in use, the external pipeline is connected to the fluorine-lined valve seat 1 and the connecting sleeve 2 respectively, and the connection between the fluorine-lined valve seat 1 and the connecting sleeve 2 and the external pipeline, and the external pipeline and the inside of the fluorine-lined valve seat 1 are sealed, so that the medium passes through the fluorine-lined valve seat 1 and the connecting sleeve 2, no gap will appear in the process, the extension sleeve 13 extends to the inside of the fluorine-lined valve seat 1, and the connection between the first connecting plate 11 and the second connecting plate 12 can be sealed. At the same time, the second sealing gasket 14 outside the extension sleeve 13 is engaged with the second connecting plate 12 to achieve multiple seals between the two connecting plates, which can prevent the medium from flowing out from the gap between the two connecting plates, and the sealing is better. In addition, a filter screen 16 is also provided in the fixed sleeve 15 to filter the medium, which can prevent impurities in the medium from entering the inside of the fluorine-lined valve seat 1 from the connecting sleeve 2, thereby reducing the wear of the valve body and making it more durable.

[0023] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A multi-seal high-pressure fluorine-lined equipment, comprising a fluorine-lined valve seat (1), characterized in that: A connecting sleeve (2) is detachably mounted on the side of the fluorine-lined valve seat (1); connecting flanges (3) are provided at the ends of the fluorine-lined valve seat (1) and the connecting sleeve (2); a first sealing sleeve (4) is mounted inside the fluorine-lined valve seat (1); a first sealing gasket (5) is provided on one side of the first sealing sleeve (4); a support seat (6) is welded to the upper end of the fluorine-lined valve seat (1); a connecting frame (7) is mounted to the upper end of the support seat (6) by bolts; a second sealing sleeve (10) is detachably mounted on the connecting frame (7); a high-voltage motor (8) is mounted on the upper side of the connecting frame (7); a mounting plate (9) is fixedly mounted on the end of the high-voltage motor (8) ), the output shaft of the high-voltage motor (8) is provided with a motor shaft, a valve stem is fixedly mounted on the end of the motor shaft, a valve body is fixedly mounted on the end of the valve stem, a first connecting plate (11) is fixedly mounted on the other end of the connecting sleeve (2), a second connecting plate (12) corresponding to the first connecting plate (11) is provided on the other end of the fluorine-lined valve seat (1), an extension sleeve (13) is fixedly mounted on the surface of the first connecting plate (11), a second sealing gasket (14) is provided on the outside of the extension sleeve (13), a fixing sleeve (15) is detachably mounted on the outside of the extension sleeve (13), and a filter screen (16) is provided on the inside of the fixing sleeve (15).

2. The multi-sealed high-pressure fluorine-lined equipment according to claim 1 is characterized in that: The fixing sleeve (15) is provided with evenly distributed connecting ear plates (17) on its exterior, and the extending sleeve (13) is provided with connecting grooves (18) corresponding to the connecting ear plates (17) on its surface.

3. The multi-sealed high-pressure fluorine-lined equipment according to claim 2 is characterized in that: A connecting rod (19) is fixedly mounted inside the connecting groove (18), and a positioning hole corresponding to the connecting rod (19) is formed on the surface of the connecting ear plate (17).

4. The multi-sealed high-pressure fluorine-lined equipment according to claim 1 is characterized in that: A clamping sleeve (1001) is provided on the lower side of the second sealing sleeve (10), and a connecting ring (1002) is fixedly mounted on the upper end of the second sealing sleeve (10), wherein the connecting ring (1002) is mounted on the connecting frame (7) by means of bolts.

5. The multi-sealed high-pressure fluorine-lined equipment according to claim 4 is characterized in that: The bottom of the connecting frame (7) is provided with a mounting groove (701), and the connecting ring (1002) is detachably mounted inside the mounting groove (701).

6. The multi-sealed high-pressure fluorine-lined equipment according to claim 1 is characterized in that: A positioning sleeve (401) is fixedly mounted on the upper end of the first sealing sleeve (4), and a through hole corresponding to the support seat (6) is formed on the surface of the positioning sleeve (401).

7. The multi-sealed high-pressure fluorine-lined equipment according to claim 1 is characterized in that: The first sealing sleeve (4) is fitted onto the first sealing gasket (5) and the two ends of the fixing sleeve (15), and the valve body is fitted onto the inner wall of the first sealing sleeve (4).

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