CN107489797A

CN107489797A - Explosion-proof valve

Info

Publication number: CN107489797A
Application number: CN201610415884.6A
Authority: CN
Inventors: 赵英
Original assignee: Zhangjiagang Fengle Auto Equipments Co Ltd
Current assignee: Zhangjiagang Fengle Auto Equipments Co Ltd
Priority date: 2016-06-13
Filing date: 2016-06-13
Publication date: 2017-12-19

Abstract

This application discloses a kind of explosion-proof valve, jet chimney is boiled in a covered pot over a slow fire for steel slag hot, including the explosion stack being installed on jet chimney, the opening of the explosion stack is sealed with cover plate, one end of the cover plate is rotationally connected with the edge of the explosion stack by connection component, the connection component includes the first connector and the second connector, the outer wall of the explosion stack is fixed in the bottom of first connector, the top of first connector protrudes out the upper surface of the cover plate, one end of second connector and the upper surface of cover plate are fixed, the other end is rotationally connected with the top of first connector.The present invention improves security performance, prevents from exploding by setting explosion-proof valve.

Description

Explosion-proof valve

Technical field

The application is related to a kind of explosion-proof valve.

Background technology

In industry is made steel, slag after steel-making is general all first to be stacked to slag stewing and cheats, then by slag stewing Efflorescence of periodically being fetched water in hole cools down, so as to reach the purpose of slag cooling efflorescence；But slag is cold But the steam largely containing flammable explosive gas such as hydrogen can be given out during, these steam are all at present Directly drain into air, largely effect on ambient air quality.

Traditional steel slag hot boils in a covered pot over a slow fire processing unit, and the lighter hydrogen flowing of density is not freely in slag stewing lid and steam Pipeline high point is enriched with, and reaches finite concentration and naked light generation blast is met in hole.

The content of the invention

It is an object of the invention to provide a kind of explosion-proof valve, to overcome deficiency of the prior art.

To achieve the above object, the present invention provides following technical scheme：

The embodiment of the present application discloses a kind of explosion-proof valve, boils in a covered pot over a slow fire jet chimney for steel slag hot, including be installed on steaming Explosion stack on steam pipe road, the opening of the explosion stack are sealed with cover plate, and one end of the cover plate passes through company Connected components are rotationally connected with the edge of the explosion stack, and the connection component includes the first connector and second The outer wall of the explosion stack, first connector are fixed in connector, the bottom of first connector Top protrude out the upper surface of the cover plate, one end of second connector and the upper surface of cover plate are consolidated Fixed, the other end is rotationally connected with the top of first connector.

Preferably, in above-mentioned explosion-proof valve, second connector is parallel to plane where the cover plate.

Preferably, in above-mentioned explosion-proof valve, first connector includes two pieces of supports being oppositely arranged Plate, bearing pin is provided between two pieces of supporting plates, second connector rotates in the bearing pin.

Preferably, in above-mentioned explosion-proof valve, the angle of the jet chimney and horizontal plane is 30 °.

Preferably, in above-mentioned explosion-proof valve, the explosion stack is vertically set.

Preferably, in above-mentioned explosion-proof valve, the explosion-proof valve is counter weight type explosion-proof valve, the explosion-proof valve Opening pressure is 0.6kPa.

Compared with prior art, the advantage of the invention is that：

The present invention improves security performance, prevents from exploding by setting explosion-proof valve.

Brief description of the drawings

, below will be to reality in order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art The required accompanying drawing used in example or description of the prior art is applied to be briefly described, it should be apparent that, below Accompanying drawing in description is only some embodiments described in the application, for those of ordinary skill in the art For, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.

Fig. 1 show the structural representation of explosion-proof valve in the specific embodiment of the invention；

Fig. 2 show the enlarged diagram of I in Fig. 1；

Fig. 3 a show the enlarged diagram of II in Fig. 1；

Fig. 3 b show Fig. 3 a side view；

Fig. 4 a show the side view of cover plate；

Cover plate upward view shown in Fig. 4 b；

Fig. 5 a show the side view of second embodiment of the invention cover plate；

Fig. 5 b show the top view of second embodiment of the invention cover plate；

Fig. 6 show the structural representation of sealing ring in third embodiment of the invention.

Embodiment

Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out Detailed description, it is clear that described embodiment is only part of the embodiment of the present invention, rather than entirely The embodiment in portion.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creation Property work on the premise of the every other embodiment that is obtained, belong to the scope of protection of the invention.

With reference to shown in Fig. 1, the explosion-proof valve of jet chimney is boiled in a covered pot over a slow fire for steel slag hot, including is installed on jet chimney 1 On explosion stack 2, the opening of the explosion stack 2 is sealed with cover plate 3.

With reference to shown in Fig. 2, sealing ring 4, sealing ring 4 are provided between the contact surface of cover plate 3 and explosion stack 2 Enclosed around the top mouth of pipe one of explosion stack 2, sealing ring 4 includes two fixed parts 41, Yi Jilian being oppositely arranged The elastic portion 42 being connected between two tip edges of fixed part 41, elastic portion inner hollow, and there is arc Top surface 43, the mouth of pipe of explosion stack 2 is held between two fixed parts 41 and solid between fixed part 41 It is fixed.

Preferably, the material of sealing ring 4 is rubber.

Further, it is detachably solid by soket head cap screw 44 between fixed part 41 and the side wall of explosion stack 2 It is fixed.

Further, the angle of jet chimney 1 and horizontal plane is 30 °.

Further, explosion stack 2 is vertically set.

With reference to shown in Fig. 3 a and Fig. 3 b, one end of cover plate 3 is rotationally connected with explosion stack 2 by connection component Edge, connection component includes the first connector 51 and the second connector 52, and the first connector 51 protrudes out There is the outer wall of explosion stack 2, the second connector 52 is L-shaped, and its bottom is rotationally connected with the first connector 51, Its top extends the upper surface of cover plate 3 and fixed between cover plate 3.

Preferably, the first connector 51 is welded and fixed with explosion stack 2, the second connector 52 and cover plate 3 It is welded and fixed.

Further, the second connector 52 includes three connecting plates 521 being set up in parallel, this three connections Plate 521 is rotationally connected with the first connector 51 by same bearing pin 53.

With reference to shown in Fig. 4 a and 4b, the lower surface of cover plate 3 is welded with groined type reinforcement 31.

Further, the edge of cover plate 3 protrudes out downwards the enclosing 32 of annular.

Further, the lower section of cover plate 3 is fixed with backing plate 33, and the backing plate 33 is fixed on reinforcement 31 Or the edge of cover plate 3.

With reference to shown in Fig. 5 a and Fig. 5 b, in a second embodiment, one end of cover plate 3 passes through connection component The edge of explosion stack 2 is rotationally connected with, connection component includes the first connector 61 and the second connector 62, The outer wall of explosion stack 2 is fixed in the bottom of first connector 61, and the top of the first connector 61 protrudes out The upper surface of cover plate 3, one end and the upper surface of cover plate 3 of the second connector 62 are fixed, and the other end rotates It is connected to the top of the first connector 61.

Further, the second connector 62 is parallel to the place plane of cover plate 3.

Further, the first connector 61 includes two pieces of supporting plates 611 being oppositely arranged, this two pieces supports Bearing pin 63 is provided between plate 611, the second connector 62 rotates in bearing pin 63.

With reference to shown in Fig. 6, in the third embodiment, it is provided between the contact surface of cover plate 3 and explosion stack 2 Sealing ring 7, sealing ring 7 enclose around the top mouth of pipe one of explosion stack 2, and the bottom of sealing ring 7 is recessed formed with one Holding tank 71, the top edge of explosion stack 2, which coordinates, to be fixed in holding tank 71, the top of sealing ring 71 to Side has protruded out a contact site 72, and the contact site 72 has the sealing surface 721 being obliquely installed, the sealing surface Angle between 721 and horizontal plane is 75 °.

Further, contact site 72 has section drift angle triangular in shape.

Further, the angle of drift angle is 30 °.

Further, the lower surface of drift angle and the angle of vertical direction are 135 °.

In the present embodiment, explosion-proof valve is preferably counter weight type explosion-proof valve, and the Opening pressure of the explosion-proof valve is preferably 0.6kPa。

It should be noted that herein, such as first and second or the like relational terms are used merely to One entity or operation are made a distinction with another entity or operation, and not necessarily requires or implies Any this actual relation or order be present between these entities or operation.Moreover, term " comprising ", " bag Containing " or any other variant thereof is intended to cover non-exclusive inclusion, so that including a series of elements Process, method, article or equipment not only include those key elements, but also including being not expressly set out Other element, or also include for this process, method, article or the intrinsic key element of equipment. In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that wrapping Include in process, method, article or the equipment of the key element and other identical element also be present.

Described above is only the embodiment of the application, it is noted that for the general of the art For logical technical staff, on the premise of the application principle is not departed from, some improvement and profit can also be made Decorations, these improvements and modifications also should be regarded as the protection domain of the application.

Claims

1. a kind of explosion-proof valve, boil in a covered pot over a slow fire jet chimney for steel slag hot, it is characterised in that including being installed on steam Explosion stack on pipeline, the opening of the explosion stack are sealed with cover plate, and one end of the cover plate passes through connection Component is rotationally connected with the edge of the explosion stack, and the connection component includes the first connector and second and connected The outer wall of the explosion stack is fixed in fitting, the bottom of first connector, first connector Top protrudes out the upper surface of the cover plate, and one end of second connector and the upper surface of cover plate are fixed, The other end is rotationally connected with the top of first connector.

2. explosion-proof valve according to claim 1, it is characterised in that：Second connector parallel to Plane where the cover plate.

3. explosion-proof valve according to claim 1, it is characterised in that：First connector includes phase To two pieces of supporting plates of setting, bearing pin is provided between two pieces of supporting plates, second connector rotates in The bearing pin.

4. explosion-proof valve according to claim 1, it is characterised in that：The jet chimney and horizontal plane Angle be 30 °.

5. explosion-proof valve according to claim 1, it is characterised in that：The explosion stack is vertically Set.

6. explosion-proof valve according to claim 1, it is characterised in that：The explosion-proof valve is prevented for counter weight type Quick-fried valve, the Opening pressure of the explosion-proof valve is 0.6kPa.