CN212131721U - Toxic gas transport pipeline connection position leakage-proof device - Google Patents
Toxic gas transport pipeline connection position leakage-proof device Download PDFInfo
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- CN212131721U CN212131721U CN202020515411.5U CN202020515411U CN212131721U CN 212131721 U CN212131721 U CN 212131721U CN 202020515411 U CN202020515411 U CN 202020515411U CN 212131721 U CN212131721 U CN 212131721U
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Abstract
The utility model discloses a device is prevented leaking by toxic gas transport pipe way connection position, including lag tube, vacuum chamber. The protective sleeve is sleeved at the joint of the two toxic gas conveying pipes. The middle gas collecting pipe inner cavity of the protective sleeve is communicated with the vacuum box inner cavity through a central gas collecting pipe. The vacuum box is provided with an external pipe and a negative pressure sensor, and the external pipe is provided with a stop valve. The utility model discloses small, convenient to use can carry out gas leakage protection to toxic gas transport pipeline connection position.
Description
Technical Field
The utility model belongs to the technical field of the toxic gas protection, concretely relates to device is prevented leaking by toxic gas transportation pipeline connection position.
Background
In industrial processes, toxic gases such as chlorine are commonly used and transported to the desired process via pipelines. Once toxic gas leaks, the toxic gas can cause injury to operators, and enterprises take certain measures to avoid the leakage of the toxic gas. The connecting parts of the toxic gas transportation pipeline, such as connecting flanges and welding points, are the parts most prone to cause toxic gas leakage.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: overcome prior art's not enough, provide a toxic gas transport pipe says and connects position and prevent leaking device, the utility model discloses it is small, convenient to use can carry out gas leakage protection to toxic gas transport pipe says and connects position.
The utility model provides a technical scheme that the problem that its exists adopted is:
a leakage-proof device for the connection position of toxic gas transportation pipeline is composed of a protecting sleeve and a vacuum box.
The protective sleeve is sleeved at the joint of the two toxic gas conveying pipes.
The protective sleeve comprises a middle gas collecting pipe in the middle, two sides of the middle gas collecting pipe are fixedly connected with first sealing pipes and two symmetrically arranged fastening sealing edges, the middle gas collecting pipe is sleeved at the connecting position of two toxic gas conveying pipes, a gap is reserved between the inner wall of the middle gas collecting pipe and the outer wall of the toxic gas conveying pipe, a sealing ring groove is formed in the inner wall of the first sealing pipe in an inwards concave mode, a plurality of elastic sealing rings are arranged inside the sealing ring groove, the inner wall of each elastic sealing ring is in close contact with the outer wall of the toxic gas conveying pipe, and the openings of the two adjacent elastic sealing rings are arranged in a.
And the two fastening sealing edges are respectively fixedly connected with the upper side and the lower side of the middle gas collecting pipe and the first sealing pipe.
The protective sleeve is divided into a front end sleeve and a rear end sleeve along the central line in the vertical direction, the front end sleeve and the rear end sleeve are fixedly connected through a fastening bolt, and the fastening bolt is in threaded connection with the fastening sealing edge.
The inner cavity of the middle gas collecting pipe is communicated with the inner cavity of the vacuum box through the central gas collecting pipe.
The vacuum box is provided with an external pipe and a negative pressure sensor, and the external pipe is provided with a stop valve.
Preferably, the protective sleeve further comprises a first secondary gas collecting tube and a tail sealing tube, the first secondary gas collecting tube and the tail sealing tube are fixedly connected in sequence, and the tail end of the fastening sealing edge is extended to the tail end of the tail sealing tube.
A gap exists between the inner wall of the first secondary gas collecting tube and the outer wall of the toxic gas transport tube, and the inner cavity of the first secondary gas collecting tube is in through connection with the central gas collecting tube through the second secondary gas collecting tube.
Afterbody sealed tube inner wall indent has the cushion groove, and cushion groove below is equipped with the cushion and stretches out the passageway, and toxic gas transport pipe outer wall covers has a cushion, and the cushion is located the cushion inslot portion, and the cushion both ends stretch out the passageway through the cushion and extend to the afterbody sealed tube outside, and the cushion stretches out the passageway width and is 2 times of cushion thickness.
Preferably, the number of the elastic sealing rings in the sealing ring groove is more than or equal to five.
Preferably, the opening angle of the elastic sealing ring is 30-45 degrees, and the elastic sealing ring consists of a middle spring piece and a rubber head wrapped outside the spring piece.
Preferably, rubber pads are wrapped on the inner walls of the first sealing pipe and the tail sealing pipe.
Compared with the prior art, the utility model discloses beneficial effect who has:
(1) the protective sleeve cover is arranged at the connecting position of the toxic gas conveying pipeline and is simultaneously connected with the vacuum box through a pipeline in a penetrating way, and when gas leakage occurs at the connecting position of the toxic gas conveying pipeline, the leaked toxic gas can be timely pumped into the vacuum box.
(2) The negative pressure value of the vacuum box can be monitored in real time through the negative pressure sensor on the vacuum box, and whether leakage occurs at the connecting part of the toxic gas conveying pipeline or not is judged through the change of the negative pressure value.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a view showing the appearance of the anti-leakage device for the connecting part of the toxic gas transportation pipeline of the present invention,
figure 2 is a horizontal sectional view of the present invention,
figure 3 is a vertical sectional view of the protective sleeve of the utility model,
figure 4 is a schematic view of the installation of the pipeline of the present invention,
figure 5 is a vertical cross-sectional view of the tail sealing tube of the utility model,
fig. 6 is a schematic view of the assembly position of the elastic sealing ring of the present invention.
In the figure, 1-a protective sleeve, 101-a front end sleeve, 102-a rear end sleeve, 1 a-a middle gas collecting pipe, 1 b-a first sealing pipe, 1b 1-a sealing ring groove, 1 c-a first secondary gas collecting pipe, 1 d-a tail sealing pipe, 1d 1-a rubber pad extending channel, 1 e-a fastening sealing edge, 1 f-a fastening bolt, 2-an elastic sealing ring, 2 a-a rubber sleeve, 2 b-a spring piece, 3-a rubber pad, 4-a central gas collecting pipe, 5-a second secondary gas collecting pipe, 6-a vacuum box, 7-an external connecting pipe, 7 a-a stop valve, 8-a negative pressure sensor, 9-a toxic gas conveying pipe and 9 a-a connecting flange.
Detailed Description
The attached drawings show the preferred embodiment of the leakage-proof device for the connecting part of the toxic gas transportation pipeline, and the invention is further described in detail with reference to the attached drawings.
As shown in attached figures 1, 2 and 3, the leakage-proof device for the connecting part of the toxic gas transportation pipeline comprises a protective casing 1 and a vacuum box 6.
The protective sleeve 1 is sleeved at the joint of the two toxic gas conveying pipes 9.
The protection sleeve 1 comprises a middle gas collecting tube 1a, two sides of the middle gas collecting tube 1a, a first sealing tube 1b fixedly connected with the middle gas collecting tube 1a and two symmetrically arranged fastening sealing edges 1e, the protection sleeve 1 further comprises a first secondary gas collecting tube 1c and a tail sealing tube 1d, and the first sealing tube 1b, the first secondary gas collecting tube 1c and the tail sealing tube 1d are sequentially and fixedly connected.
As shown in fig. 4, the middle gas collecting pipe 1a is sleeved at the connecting position of the two toxic gas transporting pipes 9, and when the two toxic gas transporting pipes 9 are connected through the connecting flange 9a, a gap is left between the inner wall of the middle gas collecting pipe 1a and the outer walls of the toxic gas transporting pipes 9 and the outer wall of the connecting flange 9 a.
There is the clearance between first secondary collecting tube 1c inner wall and the toxic gas transport pipe 9 outer wall, and afterbody sealed tube 1d inner wall indent has the cushion groove, and the cushion groove below is equipped with the cushion and stretches out passageway 1d 1. The outer wall of toxic gas transport pipe 9 covers has a cushion 3, and cushion 3 is located the cushion inslot, and the cushion 3 both ends stretch out passageway 1d1 through the cushion and extend to afterbody sealed tube 1d outside, and the cushion stretches out 2 times of passageway 1d1 width for cushion 3 thickness.
Rubber pads are wrapped on the inner walls of the first sealing pipe 1b and the tail sealing pipe 1 d.
Two fastening sealed edges 1e are respectively and fixedly connected with the upper side and the lower side of the middle gas collecting tube 1a, the first sealed tube 1b, the first secondary gas collecting tube 1c and the tail sealed tube 1d, and the tail end of the fastening sealed edge 1e is extended to the tail end of the tail sealed tube 1 d.
In order to conveniently sleeve the protective sleeve 1 on the outer wall of the toxic gas conveying pipe 9, the protective sleeve 1 is divided into a front sleeve 101 and a rear sleeve 102 along a center line in the vertical direction. The front end sleeve 101 and the rear end sleeve 102 are fixedly connected through a fastening bolt 1f, and the fastening bolt 1f is in threaded connection with a fastening sealing edge 1 e. And sealant is coated on the plane where the front end casing 101 is connected with the rear end casing 102, so that the sealing performance of the contact surface of the front end casing 101 and the rear end casing 102 is improved.
The inner cavity of the middle gas collecting tube 1a is communicated with the inner cavity of the vacuum box 6 through a central gas collecting tube 4, and the inner cavity of the first secondary gas collecting tube 1c is communicated with the central gas collecting tube 4 through a second secondary gas collecting tube 5.
The vacuum box 6 is provided with an external pipe 7 and a negative pressure sensor 8, and the external pipe 7 is provided with a stop valve 7 a.
After the protective sleeve 1 is sleeved on the outer wall of the toxic gas conveying pipe 9, the fastening bolt 1f is screwed down. A gas suction inlet of a vacuum pump is connected with the tail end of an external connecting pipe 7, then a stop valve 7a is opened, the inside of a vacuum box 6 is vacuumized through the vacuum pump, and a negative pressure sensor 8 detects the negative pressure condition. After the vacuum degree in the vacuum box 6 reaches a threshold value, the stop valve 7a is closed. The negative pressure sensor 8 has a remote transmission function and can transmit the negative pressure condition in the vacuum box 6 to the control room. If the pressure in the vacuum box 6 rises, the leakage at the joint of the two toxic gas conveying pipes 9 is preliminarily judged.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the knowledge of those skilled in the art.
Claims (5)
1. The utility model provides a toxic gas transport pipe says that connection position prevents leaking device which characterized in that:
comprises a protective casing (1) and a vacuum box (6),
the protective sleeve (1) is sleeved at the joint of the two toxic gas conveying pipes (9),
the protective sleeve (1) comprises a middle gas collecting pipe (1a), first sealing pipes (1b) fixedly connected with the two sides of the middle gas collecting pipe (1a) and two symmetrically arranged fastening sealing edges (1e), the middle gas collecting pipe (1a) is sleeved at the connecting part of two toxic gas conveying pipes (9), a gap is reserved between the inner wall of the middle gas collecting pipe (1a) and the outer wall of the toxic gas conveying pipe (9), a sealing ring groove (1b1) is concavely arranged on the inner wall of the first sealing pipe (1b), a plurality of elastic sealing rings (2) are arranged in the sealing ring groove (1b1), the inner wall of each elastic sealing ring (2) is tightly contacted with the outer wall of the toxic gas conveying pipe (9), and the openings of two adjacent elastic sealing rings (2) are arranged in a staggered manner,
two fastening sealing edges (1e) are respectively fixedly connected with the upper side and the lower side of the middle gas collecting pipe (1a) and the first sealing pipe (1b),
the protective sleeve (1) is divided into a front end sleeve (101) and a rear end sleeve (102) along the central line in the vertical direction, the front end sleeve (101) and the rear end sleeve (102) are fixedly connected through a fastening bolt (1f), the fastening bolt (1f) is in threaded connection with a fastening sealing edge (1e),
the inner cavity of the middle gas collecting pipe (1a) is communicated with the inner cavity of the vacuum box (6) through a central gas collecting pipe (4),
an external pipe (7) and a negative pressure sensor (8) are arranged on the vacuum box (6), and a stop valve (7a) is arranged on the external pipe (7).
2. The toxic gas transport pipeline connection site leak prevention apparatus of claim 1, wherein:
the protective sleeve (1) also comprises a first secondary gas collecting tube (1c) and a tail sealing tube (1d), the first sealing tube (1b), the first secondary gas collecting tube (1c) and the tail sealing tube (1d) are sequentially and fixedly connected, the tail end of a fastening sealing edge (1e) is extended to the tail end of the tail sealing tube (1d),
a gap is arranged between the inner wall of the first secondary gas collecting tube (1c) and the outer wall of the toxic gas conveying tube (9), the inner cavity of the first secondary gas collecting tube (1c) is communicated with the central gas collecting tube (4) through a second secondary gas collecting tube (5),
afterbody sealed tube (1d) inner wall indent has the cushion groove, and cushion groove below is equipped with the cushion and stretches out passageway (1d1), and toxic gas transport pipe (9) outer wall covers has a cushion (3), and cushion (3) are located cushion inslot portion, and cushion (3) both ends are stretched out passageway (1d1) through the cushion and are extended afterbody sealed tube (1d) outside, and the cushion stretches out 2 times of passageway (1d1) width for cushion (3) thickness.
3. The toxic gas transport pipeline connection site leak prevention apparatus of claim 1, wherein:
the number of the elastic sealing rings (2) in the sealing ring groove (1b1) is more than or equal to five.
4. The toxic gas transport pipeline connection site leak prevention apparatus of claim 1, wherein:
the opening angle of the elastic sealing ring (2) is 30-45 degrees, and the elastic sealing ring (2) consists of a middle spring piece (2b) and a rubber head (2a) wrapped outside the spring piece (2 b).
5. The toxic gas transport pipeline connection site leak prevention apparatus of claim 1, wherein:
rubber pads are wrapped on the inner walls of the first sealing pipe (1b) and the tail sealing pipe (1 d).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020515411.5U CN212131721U (en) | 2020-04-10 | 2020-04-10 | Toxic gas transport pipeline connection position leakage-proof device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020515411.5U CN212131721U (en) | 2020-04-10 | 2020-04-10 | Toxic gas transport pipeline connection position leakage-proof device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212131721U true CN212131721U (en) | 2020-12-11 |
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ID=73688377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020515411.5U Active CN212131721U (en) | 2020-04-10 | 2020-04-10 | Toxic gas transport pipeline connection position leakage-proof device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212131721U (en) |
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2020
- 2020-04-10 CN CN202020515411.5U patent/CN212131721U/en active Active
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| TR01 | Transfer of patent right |
Effective date of registration: 20220602 Address after: 256800 north of Gengju village, Binhai Town, Zhanhua District, Binzhou City, Shandong Province Patentee after: Zhanhua Huibang Chemical Co.,Ltd. Address before: 256800 beizhanhua Huibang Chemical Co., Ltd., Geng Ju village, Binhai Town, Zhanhua District, Binzhou City, Shandong Province Patentee before: Yu Guosheng |