Line fireproof structure in explosive environment

Abstract

An explosive environment line fireproof structure comprises an inner leading-in part fixedly connected with the inner wall of an anti-explosion warehouse, and an outer leading-in part is connected to the outer portion of the inner leading-in part. The inner guide-in part is provided with a first guide-in channel, the first guide-in channel is provided with an isolation piece, the outer guide-in part is provided with a second guide-in channel matched with the first guide-in channel, and the second guide-in channel is provided with a sealing piece. According to the explosion-proof warehouse, the inner leading-in part and the outer leading-in part which are arranged in a matched mode are adopted, the inner leading-in part seals the interior through the isolation piece, the outer leading-in part seals the exterior through the sealing piece, and the interior and the exterior of the explosion-proof warehouse can be isolated by enabling a line to pass through the first leading-in channel and the second leading-in channel; therefore, the fireproof and sealing capabilities are realized.

Description

Technical Field

[0001] The present application relates to a fire protection structure for lines in explosive environments. Background Art

[0002] An explosion-proof warehouse is a mobile warehouse used for temporary storage of chemicals, hazardous waste and laboratory waste. Its dangerous nature depends on the products stored. For some explosive and flammable chemicals, due to their high risk factor, the fire protection of the lines needs to be considered when laying the lines. It mainly includes two aspects. On the one hand, it is necessary to avoid contact between the environment and the external environment as much as possible; on the other hand, it is necessary to ensure that if a leak or fire occurs, the power supply capacity can be provided for as long as possible, so as to provide the necessary power support for fire fighting, monitoring, and surveillance. Therefore, the lines in explosive environments need to be fireproofed, especially the part where the lines are laid on the surface of the explosion-proof warehouse. Utility Model Content

[0003] In order to solve the above problems, the present application proposes a fireproof structure for explosive environment lines, including an inner lead-in part fixedly connected to the inner wall of the explosion-proof warehouse, and an outer lead-in part connected to the outside of the inner lead-in part; the inner lead-in part is provided with a first lead-in channel, an isolating part is provided on the first lead-in channel, a second lead-in channel matched with the first lead-in channel is provided on the outer lead-in part, and a sealing part is provided on the second lead-in channel. The present application adopts an inner lead-in part and an outer lead-in part that are matched, the inner lead-in part realizes internal sealing through an isolating part, and the outer lead-in part realizes external sealing through a sealing part, and the line can be isolated from the inside and outside of the explosion-proof warehouse through the first lead-in channel and the second lead-in channel, thereby realizing its fireproof and sealing capabilities.

[0004] Preferably, the inner introduction part includes a first U-shaped cavity, a first annular connecting plate is arranged on the outer side of the top of the first U-shaped cavity, a middle connecting tube is arranged inside the first U-shaped cavity, a first threaded connecting section is arranged on the outer side of the middle connecting tube, and the isolation piece is arranged on the inner side of the middle connecting tube.

[0005] Preferably, the isolating member comprises a first clamping ring threadedly connected to the first threaded connection section, and a first high-temperature rubber sealing ring is arranged at the bottom of the first clamping ring.

[0006] Preferably, the first high-temperature rubber sealing ring includes a cylindrical ring arranged at the bottom of the first U-shaped cavity, an abutting column is arranged on the inner side of the cylindrical ring facing the first U-shaped cavity, and the other end of the abutting column away from the cylindrical ring is plugged with the first clamping ring. The present application can fix the two sealing rings in place by the first clamping ring clamping the first high-temperature rubber sealing ring and the sealing connecting pipe clamping the second high-temperature rubber sealing ring, so as to prevent the cable from being separated from the device after installation.

[0007] Preferably, an abutment ring is provided on the inner side of the first clamping ring and is abutted against the top of the first U-shaped cavity.

[0008] Preferably, an outer auxiliary guide tube cooperating with the first U-shaped cavity is provided on the side of the inner introduction portion facing outward.

[0009] Preferably, the external introduction part includes a second U-shaped cavity, and a second annular connecting plate is arranged on the top outer side of the second U-shaped cavity, and the first annular connecting plate and the second annular connecting plate are fixedly connected by connecting bolts; a plurality of sealing grooves are arranged on the second annular connecting plate, and sealing rings are arranged in the sealing grooves.

[0010] Preferably, an outer sealing tube is arranged outside the second U-shaped cavity, a second threaded connection section is arranged outside the outer sealing tube, and an annular convex ring is arranged inside the second U-shaped cavity; the sealing member comprises a sealing connection tube threadedly connected to the second threaded connection section and a second high-temperature rubber sealing ring clamped and arranged outside the annular convex ring. The first U-shaped cavity and the second U-shaped cavity of the present application are arranged in coordination to form an internal air cavity part, which has better fireproof and heat insulation capabilities as a whole, and in extreme cases, the usable time of the wires arranged inside can be extended as much as possible.

[0011] Preferably, a positioning ring is provided on the sealing connecting pipe, and the positioning ring is arranged to abut against the top surface of the second U-shaped cavity.

[0012] Preferably, an extension tube is further provided on the outer side of the positioning ring, and the extension tube is connected to the second U-shaped cavity.

[0013] This application can bring the following beneficial effects:

[0014] 1. The present application adopts an inner introduction part and an outer introduction part that are arranged in coordination. The inner introduction part realizes internal sealing through an isolating member, and the outer introduction part realizes external sealing through a sealing member. The lines are passed through the first introduction channel and the second introduction channel to realize the isolation of the inside and outside of the explosion-proof warehouse, thereby realizing its fire prevention and sealing capabilities.

[0015] 2. The present application uses a first compression ring to compress the first high-temperature rubber sealing ring and a sealing connecting tube to compress the second high-temperature rubber sealing ring, so that the two sealing rings can be tightly fixed in place to prevent the cable from detaching from the device after installation.

[0016] 3. The first U-shaped cavity and the second U-shaped cavity of the present application are arranged in cooperation to form an internal air cavity part, which has better fire prevention and heat insulation capabilities as a whole. In extreme cases, the usable time of the wires arranged inside can be extended as much as possible. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0018] Figure 1 This is a schematic diagram of the structure of this application;

[0019] Figure 2 It is a cross-sectional structural schematic diagram of this application;

[0020] Figure 3 This is a schematic diagram of the explosion structure of this application. DETAILED DESCRIPTION

[0021] In order to clearly illustrate the technical features of the present solution, the present application is described in detail below through specific implementation methods and in conjunction with the accompanying drawings.

[0022] In the first embodiment, if Figure 1 As shown, a fire protection structure for explosive environment lines includes an inner introduction part 1 fixedly connected to the inner wall of the explosion-proof warehouse, and an outer introduction part 2 is connected to the outside of the inner introduction part 1; a first introduction channel 3 is arranged on the inner introduction part 1, and an isolation member 4 is arranged on the first introduction channel 3; a second introduction channel 5 cooperating with the first introduction channel 3 is arranged on the outer introduction part 2, and a sealing member 6 is arranged on the second introduction channel 5.

[0023] When in use, the inner introduction part 1 is welded to the hole reserved in the explosion-proof cabinet, and then the wire 30 is passed through the first introduction channel 3 and the isolation part 4, the second introduction channel 5 and the seal 6, and then the outer introduction part 2 is fixedly connected to the inner introduction part 1, thus completing the overall assembly connection.

[0024] In the second embodiment, if Figure 1-3As shown, a fireproof structure for explosive environment circuits includes an inner introduction part 1 fixedly connected to the inner wall of the explosion-proof storage, and an outer introduction part 2 is connected to the outer part of the inner introduction part 1; the inner introduction part 1 is provided with a first introduction channel 3, and an isolator 4 is provided on the first introduction channel 3; the outer introduction part 2 is provided with a second introduction channel 5 matched with the first introduction channel 3, and a sealing member 6 is provided on the second introduction channel 5. The inner introduction part 1 includes a first U-shaped cavity 7, a first annular connecting plate 8 is provided on the top outer side of the first U-shaped cavity 7, a middle connecting pipe 9 is provided inside the first U-shaped cavity 7, a first threaded connecting section 10 is provided on the outer side of the middle connecting pipe 9, and the isolator 4 is provided on the inner side of the middle connecting pipe 9. The isolator 4 includes a first clamping ring 11 threadedly connected to the first threaded connecting section 10, and a first high-temperature rubber sealing ring 25 is provided at the bottom of the first clamping ring 11. The first high-temperature rubber sealing ring 25 includes a cylindrical ring 26 arranged at the bottom of the first U-shaped cavity 7, and an abutting column 27 is arranged on the inner side of the cylindrical ring 26 facing the first U-shaped cavity 7, and the other end of the abutting column 27 away from the cylindrical ring 26 is plugged with the first clamping ring 11. An abutting ring 12 is arranged on the inner side of the first clamping ring 11 to abut the top of the first U-shaped cavity 7. An external auxiliary guide tube 13 is arranged on the side of the inner introduction part facing the outside to cooperate with the first U-shaped cavity 7. The outer introduction part 2 includes a second U-shaped cavity 14, and a second annular connecting plate 15 is arranged on the outer side of the top of the second U-shaped cavity 14. The first annular connecting plate 8 and the second annular connecting plate 15 are fixedly connected by connecting bolts 16; a plurality of sealing grooves are arranged on the second annular connecting plate 15, and sealing rings 17 are arranged in the sealing grooves. An outer sealing tube 19 is arranged outside the second U-shaped cavity 14, a second threaded connection section 20 is arranged outside the outer sealing tube 19, and an annular convex ring 21 is arranged inside the second U-shaped cavity 14; the sealing member 6 comprises a sealing connection tube 22 threadedly connected to the second threaded connection section 20 and a second high-temperature rubber sealing ring 18 clamped and arranged outside the annular convex ring 21. A positioning ring 23 is arranged on the sealing connection tube 22, and the positioning ring 23 is arranged to abut against the top surface of the second U-shaped cavity 14. An extension tube 24 is also arranged outside the positioning ring 23, and the extension tube 24 is arranged in communication with the second U-shaped cavity 14.

[0025] When in use, the inner introduction part 1 is welded to the annular hole reserved in the explosion-proof cabinet through the first annular connecting plate 8, and then the wire 30 is passed through the first introduction channel 3 and the isolation member 4. The isolation member 4 is fixed by the first clamping ring 11 pressing the first high-temperature rubber sealing ring 17, and then passed through the second introduction channel 5 and the sealing member 6. The sealing member 6 is fixed by the sealing connecting pipe 22 pressing the second high-temperature rubber sealing ring 18. Then the outer introduction part 2 is fixedly connected to the inner introduction part 1, and the first annular connecting plate 8 and the second annular connecting plate are connected by connecting bolts. The sealing ring therein can play an auxiliary sealing role, and finally the overall assembly connection is completed.

[0026] The above are only embodiments of the present application and are not intended to limit the present application. For those skilled in the art, the present application may have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included within the scope of the claims of the present application.

Claims

1. A fire protection structure for lines in explosive environments, characterized by: The invention comprises an inner introduction part fixedly connected to the inner wall of the explosion-proof storehouse, and an outer introduction part connected to the outside of the inner introduction part; the inner introduction part is provided with a first introduction channel, the first introduction channel is provided with an isolating piece, the outer introduction part is provided with a second introduction channel matched with the first introduction channel, and the second introduction channel is provided with a sealing piece.

2. The explosive environment line fire protection structure according to claim 1, characterized in that: The inner introduction part includes a first U-shaped cavity, a first annular connecting plate is arranged on the top outer side of the first U-shaped cavity, a middle connecting pipe is arranged inside the first U-shaped cavity, a first threaded connecting section is arranged on the outer side of the middle connecting pipe, and the isolation piece is arranged on the inner side of the middle connecting pipe.

3. The explosive environment line fire protection structure according to claim 2, characterized in that: The isolating member comprises a first clamping ring threadedly connected to the first threaded connection section, and a first high-temperature rubber sealing ring is arranged at the bottom of the first clamping ring.

4. The explosive environment line fire protection structure according to claim 3, characterized in that: The first high temperature rubber sealing ring comprises a cylindrical ring arranged at the bottom of the first U-shaped cavity, an abutting column is arranged on the inner side of the cylindrical ring facing the first U-shaped cavity, and the other end of the abutting column away from the cylindrical ring is plugged with the first clamping ring.

5. The fireproof structure for explosive environment lines according to claim 3, characterized in that: An abutment ring is arranged on the inner side of the first clamping ring and is abutted against the top of the first U-shaped cavity.

6. The explosive environment line fire protection structure according to claim 2, characterized in that: An outer auxiliary guide tube is arranged on the side of the inner introduction part facing outward and is matched with the first U-shaped cavity.

7. The explosive environment line fire protection structure according to claim 2, characterized in that: The external introduction part includes a second U-shaped cavity, and a second annular connecting plate is arranged on the top outer side of the second U-shaped cavity. The first annular connecting plate and the second annular connecting plate are fixedly connected by connecting bolts; a plurality of sealing grooves are arranged on the second annular connecting plate, and sealing rings are arranged in the sealing grooves.

8. The explosive environment line fire protection structure according to claim 7, characterized in that: An outer sealing tube is arranged on the outside of the second U-shaped cavity, a second threaded connection section is arranged on the outside of the outer sealing tube, and an annular convex ring is arranged in the second U-shaped cavity; the sealing component includes a sealing connection tube threadedly connected to the second threaded connection section and a second high-temperature rubber sealing ring clamped and arranged on the outside of the annular convex ring.

9. A fireproof structure for explosive environment lines according to claim 8, characterized in that: A positioning ring is arranged on the sealing connection pipe, and the positioning ring is arranged in contact with the top surface of the second U-shaped cavity.

10. The explosive environment line fire protection structure according to claim 9, characterized in that: An extension tube is also arranged on the outer side of the positioning ring, and the extension tube is connected with the second U-shaped cavity.

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