Non-ignition liquid guide groove in dangerous explosion area

Abstract

The utility model discloses a misfire drainage ditch in a dangerous explosion area, which belongs to the technical field of petroleum and natural gas chemical industry and comprises a drainage ditch foundation formed by pouring common concrete, a drainage ditch is arranged in the drainage ditch foundation, a cover plate groove is arranged at the top of the drainage ditch foundation, and a safe edge assembly is arranged on the cover plate groove. The edge protecting assembly is provided with an edge covering rubber strip, and the edge covering rubber strip is in lap joint with the cover plate so as to buffer and protect the liquid guiding groove. By adopting the construction method of common concrete materials and the conventional drainage ditch, the drainage ditch is simple to manufacture, simple in appearance, convenient to maintain regularly, simple in structure, low in cost and easy to popularize and use, and effectively avoids the hidden danger of fire disasters or explosions caused by sparks possibly generated when the drainage ditch is impacted or rubbed.

Description

Technical Field

[0001] The utility model belongs to the technical field of petroleum and natural gas chemical industry, and particularly relates to a non-flammable liquid guiding ditch in a dangerous explosion area. Background Art

[0002] At present, most of the raw materials, intermediates and products used in the petrochemical industry are flammable and explosive substances, which can easily form explosion-hazardous areas near the liquid-conducting grooves. Once metals (such as trench covers, tools), stones and other hard objects have impact friction with the liquid-conducting grooves, sparks or sparks may be generated instantly, causing the risk of fire or explosion.

[0003] The direction of the existing technology is to use non-fired concrete for the construction of the liquid guide groove, but there are the following obvious defects:

[0004] 1) The strength of non-fired concrete is generally low, which limits its application scope;

[0005] 2) Single functionality. In the case where the non-fire performance meets the requirements, there are problems such as poor oil resistance, impermeability, corrosion resistance and wear resistance;

[0006] 3) The quality of non-pyrophoric concrete products on the market varies greatly, and safety cannot be guaranteed;

[0007] 4) The construction conditions are relatively high, and the construction needs to ensure the consistency and density of the non-pyrophoric concrete;

[0008] 5) High cost of use, non-pyrophoric concrete is difficult to repair and has high maintenance costs.

[0009] Therefore, it is urgent to design a non-fireable liquid guide groove in a dangerous explosion area cast by ordinary concrete material to solve the defects of the non-fireable concrete mentioned above. Utility Model Content

[0010] In order to solve the technical problems of the non-flammable concrete mentioned in the background technology, a non-flammable liquid guide ditch for dangerous explosion areas is provided, which is cast by ordinary concrete materials and ensures its safety to solve the above problems.

[0011] To achieve the above purpose, the specific technical solution of a non-flammable liquid guide groove in a dangerous explosion area of ​​the utility model is as follows:

[0012] A non-flammable liquid guiding ditch for dangerous explosion areas comprises a liquid guiding ditch foundation cast with ordinary concrete, a liquid guiding ditch is provided inside the liquid guiding ditch foundation, a cover plate groove is provided on the top of the liquid guiding ditch foundation, an edge protection assembly is provided on the cover plate groove, an edge rubber strip is provided on the edge protection assembly, and the edge rubber strip is overlapped with the cover plate to cushion and protect the liquid guiding ditch.

[0013] Furthermore, the edge protection assembly is connected with anchor reinforcement ribs, and the anchor reinforcement ribs are anchored and connected to the liquid guide groove foundation to ground the edge protection assembly.

[0014] Furthermore, the spacing between adjacent anchor reinforcement bars is 600 to 700 mm.

[0015] Furthermore, the edge protection assembly includes a first edge protection angle steel, the inner side of the first edge protection angle steel is wrapped with an edge rubber strip, the outer side of the first edge protection angle steel is fixedly connected to the inner side of the second edge protection angle steel, the outer side of the second edge protection angle steel is fixedly connected to the anchor reinforcement rib, and a clamping gap is provided between the first edge protection angle steel and the second edge protection angle steel for the edge rubber strip to be clamped with the first edge protection angle steel.

[0016] Furthermore, the first edge protection angle steel and the second edge protection angle steel are both equilateral angle steels, and the two equilateral sides of the first edge protection angle steel are smaller than the two equilateral sides of the second edge protection angle steel.

[0017] Furthermore, the edge-wrapping rubber strip is an L-shaped rubber strip, and both sides of the L-shaped rubber strip are larger than both sides of the first edge protection angle steel.

[0018] Furthermore, an insulating gasket is provided in the clamping gap, one end of the insulating gasket abuts against the outer side of the first edge protection angle steel, and one end away from the first edge protection angle steel abuts against the inner side of the second edge protection angle steel.

[0019] Furthermore, through holes are provided on the first edge protection angle steel, the second edge protection angle steel and the insulating gasket, and the bolts pass through the through holes of the first edge protection angle steel, the through holes of the insulating gasket and the through holes of the second edge protection angle steel in sequence and are screwed to the nuts on the outside of the second edge protection angle steel.

[0020] Furthermore, the drainage ditch foundation is provided with a steel frame to stabilize the drainage ditch foundation structure.

[0021] Furthermore, a concrete protective layer is provided between the steel frame and the outer surface of the liquid guiding ditch foundation, and the concrete protective layer isolates the steel frame from the liquid guiding ditch.

[0022] The non-flammable liquid guiding ditch in the dangerous explosion area of ​​the utility model has the following advantages: the utility model adopts ordinary concrete materials and conventional liquid guiding ditch construction methods, is simple to manufacture, has a simple appearance, is convenient for regular maintenance, and has a simple structure, low cost, and is easy to promote and use, effectively avoiding the hidden dangers of sparks that may be generated by the liquid guiding ditch when it is hit or rubbed, thereby causing fire or explosion. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the structure of the non-flammable liquid guide groove in the dangerous explosion area of ​​the utility model;

[0024] Figure 2 This is a schematic diagram of the structure of the edge protection assembly of the utility model;

[0025] Explanation of the markings in the figure: 1. Liquid guide groove foundation; 2. Liquid guide groove; 3. Cover plate groove; 4. Edge protection assembly; 41. First edge protection angle steel; 42. Second edge protection angle steel; 43. Snap-in gap; 44. Through hole; 45. Insulating gasket; 5. Edge wrapping rubber strip; 6. Cover plate; 7. Anchor reinforcement ribs; 8. Steel bar skeleton; 9. Concrete protective layer. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0027] Those skilled in the art will appreciate that, although some embodiments herein include certain features included in other embodiments but not other features, the combination of features of different embodiments is meant to be within the scope of the present invention and form different embodiments. For example, in the claims, any one of the claimed embodiments may be used in any combination.

[0028] Please refer to the attached Figure 1 To Attachment Figure 2 The utility model describes a non-flammable liquid guiding ditch for dangerous explosion areas.

[0029] The existing method of using non-fired concrete to construct the drainage channel not only has the defects of low structural strength and high construction requirements, but also is difficult to repair and has high subsequent maintenance costs.

[0030] Therefore, the utility model provides a non-flammable liquid guide groove 2 in a dangerous explosion area, such as Figure 1 As shown, it includes a liquid guiding ditch foundation 1 cast with ordinary concrete, a liquid guiding ditch 2 is opened inside the liquid guiding ditch foundation 1 to guide the liquid, a cover plate groove 3 is opened on the top of the liquid guiding ditch foundation 1 for the cover plate 6 to cover the upper part of the liquid guiding ditch 2, an edge protection assembly 4 is provided on the cover plate groove 3, and an edge rubber strip 5 is provided on the edge protection assembly 4, and the edge rubber strip 5 is overlapped with the cover plate 6 to cushion and protect the liquid guiding ditch 2.

[0031] The liquid guiding ditch foundation 1 is provided with a steel frame 8, and the steel frame 8 and ordinary concrete form a reinforced concrete structure to improve the structural rigidity of the liquid guiding ditch foundation 1, so that the structure of the liquid guiding ditch foundation 1 is stable.

[0032] A concrete protective layer 9 is provided between the steel skeleton 8 and the outer surface of the liquid guiding ditch foundation 1. The concrete protective layer 9 isolates the steel skeleton 8 from the liquid guiding ditch 2 to prevent the steel skeleton 8 from being exposed, thereby improving the oil resistance, impermeability, corrosion resistance and wear resistance of the liquid guiding ditch 2.

[0033] Preferably, the cross-sectional shape of the liquid guiding groove 2 is rectangular to facilitate construction.

[0034] Preferably, the material of the edging rubber strip 5 is flame-resistant chloroprene rubber, which does not produce sparks when hit by hard objects. At the same time, it should be noted that the material of the edging rubber strip 5 is not limited to flame-resistant chloroprene rubber, and other rubber or synthetic rubber materials can be selected according to actual needs.

[0035] An anchoring reinforcement rib 7 is connected to the edge protection assembly 4, and the anchoring reinforcement rib 7 is anchored to the liquid guide groove base 1 to ground the edge protection assembly 4, conduct static electricity that may occur due to impact or friction, improve the non-ignition effect of the liquid guide groove 2, and firmly fix the edge protection assembly 4 on the cover plate groove 3.

[0036] In order to further improve the conduction and fixing effect of the edge protection assembly 4, the spacing between adjacent anchor reinforcement ribs 7 is 600-700 mm.

[0037] like Figure 2 As shown, the edge protection assembly 4 includes a first edge protection angle steel 41, the inner side of the first edge protection angle steel 41 is wrapped with an edge rubber strip 5, the outer side of the first edge protection angle steel 41 is fixedly connected to the inner side of the second edge protection angle steel 42, the outer side of the second edge protection angle steel 42 is fixedly connected to the anchor reinforcement rib 7, and a clamping gap 43 is provided between the first edge protection angle steel 41 and the second edge protection angle steel 42 for clamping the edge rubber strip 5 with the first edge protection angle steel 41, so as to facilitate replacement of the edge rubber strip 5 after it is damaged due to material aging, wear, impact and other factors.

[0038] The first edge protection angle steel and the second edge protection angle steel are both arranged along the full length of both sides of the liquid guiding groove 2. The first edge protection angle steel 41 and the second edge protection angle steel 42 are both equilateral angle steels. The two equilateral sides of the first edge protection angle steel 41 are smaller than the two equilateral sides of the second edge protection angle steel 42, which is convenient for the installation and replacement of the edging rubber strip 5.

[0039] Preferably, in order to improve the structural stability of the edge protection assembly 4 and the cover plate groove 3, the second edge protection angle steel 42 is aligned with the edge of the liquid guide groove 2 and the edge of the ground respectively.

[0040] The edge rubber strip 5 is an L-shaped rubber strip, both sides of which are larger than both sides of the first edge angle steel 41 , so that the edge rubber strip 5 can wrap around the first edge angle steel 41 and then be folded into the clamping gap 43 for fixation.

[0041] An insulating gasket 45 is provided in the clamping gap 43, one end of the insulating gasket 45 abuts against the outer side of the first edge protection angle steel 41, and the end away from the first edge protection angle steel 41 abuts against the inner side of the second edge protection angle steel 42. The gap distance of the clamping gap 43 can be set by replacing insulating gaskets 45 of different specifications.

[0042] Preferably, the insulating gasket 45 has a thickness of 5 to 10 mm, which facilitates the clamping and fixing of the edging rubber strip 5 .

[0043] Through holes 44 are provided on the first edge protection angle steel 41, the second edge protection angle steel 42 and the insulating gasket 45. Bolts pass through the through holes 44 of the first edge protection angle steel 41, the through holes 44 of the insulating gasket 45 and the through holes 44 of the second edge protection angle steel 42 in sequence and are screwed to nuts on the outside of the second edge protection angle steel 42 to fix the first edge protection angle steel 41, the second edge protection angle steel 42 and the insulating gasket 45 together to improve the stability of the structure.

[0044] Preferably, in order to further improve the structural stability between the first edge protection angle steel 41 , the second edge protection angle steel 42 and the insulating gasket 45 , the through holes 44 are arranged at a spacing of 600 to 700 mm along the length direction of the liquid guiding groove 2 .

[0045] Preferably, in order to facilitate the installation of the edge rubber strip 5 and ensure the flatness of the edge rubber strip 5 after installation, the bolts are flat head bolts.

[0046] The non-flammable liquid guide ditch construction of the utility model in a dangerous explosion area is carried out in an explosion-hazardous area:

[0047] The second edge protection angle steel 42 adopts L50x5 angle steel, the first edge protection angle steel 41 adopts L40x5 angle steel, and the anchor reinforcement rib 7 adopts threaded steel or A8 round steel. When the anchor reinforcement rib 7 is threaded steel, the anchor section does not need to be bent, but if it is a plain round steel bar, the anchor section should be bent 180°.

[0048] Before pouring the concrete of the liquid-conducting ditch foundation 1, the edge protection assembly 4 is pre-assembled: the flat-head bolts are passed through the first edge protection angle steel 41, the insulating gasket 45 and the second edge protection angle steel 42 along the through hole 44, and the nuts are tightened until the nuts are tightly pressed against the outer end surface of the second edge protection angle steel 42, and then the processed anchor reinforcement ribs 7 and the second edge protection angle steel 42 are welded, and the welding end of the anchor reinforcement ribs 7 and the welding surface of the second edge protection angle steel 42 are fully welded on both sides, and the anchor reinforcement ribs 7 are set at a spacing of 600 to 700 mm. Afterwards, the anchor reinforcement ribs 7 are poured into the liquid-conducting ditch foundation 1, and it is ensured that the second edge protection angle steel 42 is aligned with the edge of the liquid-conducting ditch 2, and the L-shaped edge rubber strip 5 is clamped on the edges of the two equal sides of the first edge protection angle steel 41, completely covering the inner surface of the first edge protection angle steel 41, and the thickness of the L-shaped edge rubber strip 5 is not less than 5 mm.

[0049] When the cover plate 6 is installed above the liquid guiding groove 2, the two ends of the cover plate 6 overlap the L-shaped edge rubber strip 5 covered by the first edge protection angle steels 41 on both sides of the liquid guiding groove 2, and the cover plate 6 is flush with the ground after being covered.

[0050] The non-flammable liquid guiding groove for dangerous explosion areas of the utility model has a simple structure, low cost and is easy to promote and use; the edging rubber strip 5 is clamped and fixed with the first edge protection angle steel 41, which is easy to replace and effectively avoids the hidden danger of sparks generated by the liquid guiding groove 2 when it is hit or rubbed, thereby causing fire or explosion; ordinary concrete materials, conventional liquid guiding groove construction methods and the clamped and fixed edging rubber strip 5 are used, which is simple to manufacture, simple in appearance, and convenient for regular maintenance.

[0051] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included in the protection scope of the claims of the present invention.

Claims

1. A non-flammable liquid-conducting ditch for hazardous explosion areas, characterized in that: The invention comprises a liquid guiding ditch foundation cast with ordinary concrete, a liquid guiding ditch is opened inside the liquid guiding ditch foundation, a cover plate groove is opened on the top of the liquid guiding ditch foundation, an edge protection assembly is arranged on the cover plate groove, an edge rubber strip is arranged on the edge protection assembly, and the edge rubber strip is overlapped with the cover plate to cushion and protect the liquid guiding ditch.

2. The non-inflammable liquid-conducting ditch in a hazardous explosion area according to claim 1, characterized in that: Anchor reinforcement ribs are connected to the edge protection assembly, and the anchor reinforcement ribs are anchored and connected to the liquid guide groove foundation to ground the edge protection assembly.

3. The non-inflammable liquid-conducting ditch in a hazardous explosion area according to claim 2, characterized in that: The spacing between adjacent anchor reinforcement bars is 600 to 700 mm.

4. The non-inflammable liquid-conducting ditch in a hazardous explosion area according to claim 1, characterized in that: The edge protection assembly includes a first edge protection angle steel, the inner side of the first edge protection angle steel is wrapped with an edge rubber strip, the outer side of the first edge protection angle steel is fixedly connected to the inner side of the second edge protection angle steel, the outer side of the second edge protection angle steel is fixedly connected to the anchor reinforcement rib, and a clamping gap is provided between the first edge protection angle steel and the second edge protection angle steel for the edge rubber strip to be clamped with the first edge protection angle steel.

5. The non-inflammable liquid-conducting ditch in a hazardous explosion area according to claim 4, characterized in that: The first edge protection angle steel and the second edge protection angle steel are both equilateral angle steels, and the two equilateral sides of the first edge protection angle steel are smaller than the two equilateral sides of the second edge protection angle steel.

6. The non-inflammable liquid-conducting ditch in a hazardous explosion area according to claim 5, characterized in that: The edge-wrapping rubber strip is an L-shaped rubber strip, and both sides of the L-shaped rubber strip are larger than both sides of the first edge protection angle steel.

7. The non-inflammable liquid-conducting ditch in a hazardous explosion area according to claim 4, characterized in that: An insulating gasket is arranged in the clamping gap, one end of the insulating gasket abuts against the outer side of the first edge protection angle steel, and the end away from the first edge protection angle steel abuts against the inner side of the second edge protection angle steel.

8. The non-inflammable liquid-conducting ditch in a hazardous explosion area according to claim 7, characterized in that: The first edge protection angle steel, the second edge protection angle steel and the insulating gasket are all provided with through holes, and the bolts pass through the through holes of the first edge protection angle steel, the through holes of the insulating gasket and the through holes of the second edge protection angle steel in sequence and are screwed with nuts on the outer side of the second edge protection angle steel.

9. The non-inflammable liquid-conducting ditch in a hazardous explosion area according to claim 1, characterized in that: The drainage ditch foundation is provided with a steel frame to ensure the stability of the drainage ditch foundation structure.

10. The non-inflammable liquid-conducting ditch in a hazardous explosion area according to claim 9, characterized in that: A concrete protective layer is arranged between the steel frame and the outer surface of the liquid-conducting ditch foundation, and the concrete protective layer isolates the steel frame and the liquid-conducting ditch.

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