CN219955654U - Dual fast cutting device for branch pipe of gas burner of hot blast stove - Google Patents
Dual fast cutting device for branch pipe of gas burner of hot blast stove Download PDFInfo
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- CN219955654U CN219955654U CN202321186825.8U CN202321186825U CN219955654U CN 219955654 U CN219955654 U CN 219955654U CN 202321186825 U CN202321186825 U CN 202321186825U CN 219955654 U CN219955654 U CN 219955654U
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- hot blast
- blast stove
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- valve
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- 230000009977 dual effect Effects 0.000 title claims description 15
- 239000011521 glass Substances 0.000 claims description 7
- 230000002159 abnormal effect Effects 0.000 abstract description 4
- 238000004880 explosion Methods 0.000 description 12
- 230000001105 regulatory effect Effects 0.000 description 10
- 239000003034 coal gas Substances 0.000 description 9
- 238000005496 tempering Methods 0.000 description 6
- 239000007787 solid Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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- Feeding And Controlling Fuel (AREA)
Abstract
The utility model provides a double fast cutting device of a hot blast stove gas burner branch pipe, which comprises the following components: the hot blast stove comprises a hot blast stove body, wherein a connecting pipe is arranged on one side of the hot blast stove body, a positioning ring is fixedly sleeved on the outer circular wall surface of the connecting pipe, a fixing ring is arranged on one side of the positioning ring, and a branch pipe body is fixedly sleeved on the inner circular wall surface of the fixing ring; the fast cutting assembly is arranged on one side of the hot blast stove body and used for fast cutting gas in the branch pipe body, the positioning ring is arranged, the connecting pipe and the branch pipe body can be connected through the positioning ring and the fixing ring in a matched mode, gas can circulate inside the connecting pipe and the branch pipe body, the fast cutting assembly is guaranteed to fast cut the branch pipe body, and the gas can be immediately cut off through the pneumatic fast cutting valve by triggering with the pneumatic three-eccentric zero-leakage butterfly valve during abnormal fire extinguishing, so that the gas is quickly and effectively cut off through double interlocking protection.
Description
Technical Field
The utility model relates to the field of hot blast stove equipment, in particular to a dual fast cutting device for a hot blast stove gas burner branch pipe.
Background
The gas hot blast stove is one of very important equipment in iron and steel enterprises, a gas flow pneumatic regulating valve and a manual butterfly valve are arranged on a gas burner pipeline to regulate the combustion condition of the gas burner, and a gas cut-off valve is arranged on a gas pipeline branch pipe of a hot blast stove system to realize the function of rapidly cutting off gas in emergency.
When an accident occurs in a certain link of the hot blast stove system, the cut-off valve above the gas pipeline is quickly closed, and the rapid cut-off valve is too far away from the burner, so that the rapid cut-off valve is easy to cause tempering phenomenon and even explosion when the rapid cut-off valve is used for rapidly cutting off the gas pipeline, and irrecoverable results are caused.
Because the quick-cutting valve above the branch pipe of the gas pipeline of the gas hot-blast stove is far away from the burner, the quick-cutting valve is easy to cause the tempering phenomenon and even explosion of the gas pipeline under the emergency quick-cutting, and the gas flow valve above the gas pipeline and the manual butterfly valve are not zero leakage valves, if the flameout phenomenon of the gas burner occurs, the gas explosion accident is easy to occur due to the leakage of the pipeline gas between the cutting valve and the gas flow valve.
Disclosure of Invention
The utility model aims to provide a double fast cutting device for a gas burner branch pipe of a hot blast stove, which solves the problems that the fast cutting valve above the gas burner branch pipe of the hot blast stove is far away from the burner, so that the fast cutting valve is easy to cause the tempering phenomenon and even explosion of a gas pipeline under the emergency and fast cutting of the fast cutting valve, and a gas flow valve above the gas burner pipeline and a manual butterfly valve are not zero leakage valves, and if the flameout phenomenon of the gas burner occurs, the gas explosion accident of the pipeline between the switching valve and the gas flow valve is easy to cause the leakage of the gas.
In order to achieve the above purpose, the technical scheme of the utility model is specifically realized as follows:
the utility model provides a double fast cutting device of a hot blast stove gas burner branch pipe, which comprises the following components: the hot-blast furnace body, one side of hot-blast furnace body is provided with the connecting pipe, the fixed cover of outer circular wall face of connecting pipe is equipped with the holding ring, one side of holding ring is provided with the solid fixed ring, the fixed cover of interior circular wall face of solid fixed ring is equipped with the branch pipe body, cuts the subassembly soon, it is in to cut the subassembly setting soon one side of hot-blast furnace body is used for right gaseous quick cutting in the branch pipe body.
Through adopting above-mentioned technical scheme, through setting up the holding ring, can cooperate with the holding ring through the holding ring and be connected connecting pipe and branch pipe body, make coal gas can circulate inside connecting pipe and branch pipe body to guarantee to cut the subassembly fast and cut off the internal coal gas of branch pipe body.
As a further aspect of the present utility model, the fast cutting assembly includes: the electric butterfly valve is arranged on the outer circular wall surface of the connecting pipe, one end of the branch pipe body is fixedly connected with a glasses valve, the outer circular wall surface of the branch pipe body is provided with a pneumatic quick-cutting valve, and the outer circular wall surface of the branch pipe body is provided with an electric gas flow regulating valve.
Through adopting above-mentioned technical scheme, through setting up pneumatic quick-cut valve, can trigger with pneumatic triple offset zero leakage butterfly valve when unusual putting out a fire and carry out action cutting off gas immediately through pneumatic quick-cut valve, realize that dual interlocking protection cuts off gas effectively fast, avoided because pneumatic quick-cut valve is too far away from the nozzle body, lead to the quick-cut valve promptly to cut off the emergence tempering phenomenon of gas pipeline and take place the explosion phenomenon even down to the emergence frequency of incident has been reduced.
As a further aspect of the present utility model, the fast cutting assembly further includes: the pneumatic three-eccentric zero-leakage butterfly valve is arranged on the outer circular wall surface of the branch pipe body, one end of the branch pipe body is fixedly provided with a burner body, and the electric gas flow regulating valve and the top surface of the electric butterfly valve are fixedly provided with pressure gauges.
Through adopting above-mentioned technical scheme, through setting up pneumatic three eccentric zero leakage butterfly valve, through pneumatic three eccentric zero leakage butterfly valve can realize through cut off the back nozzle body on the nozzle body pneumatic fast valve interlocking of command soon between body and the branch pipe body and close, realize that the dual interlocking protection cuts off gas fast effectively between gas nozzle body and the branch pipe body.
As a further scheme of the utility model, one end of the positioning ring is provided with a plurality of threaded holes.
Through adopting above-mentioned technical scheme, through setting up the screw hole, can carry out threaded connection through the screw hole with the bolt, make the connection more stable between connecting pipe and the branch pipe body to improved the stability and the mountability of quick cutting device, made things convenient for the staff to dismantle and install connecting pipe and branch pipe body simultaneously.
As a further scheme of the utility model, one end of the fixed ring is provided with a plurality of positioning holes, and the positioning holes correspond to the threaded holes.
Through adopting above-mentioned technical scheme, through setting up the locating hole, can overlap the bolt through the locating hole and establish to make things convenient for bolt and screw hole to carry out stable connection.
As a further scheme of the utility model, the inner circular wall surface of the positioning hole is movably sleeved with a bolt, and the bolt is in threaded connection with the threaded hole.
Through adopting above-mentioned technical scheme, through setting up the bolt, can be with being connected between holding ring and the solid fixed ring through the bolt, make coal gas can circulate inside connecting pipe and the branch pipe body to the practicality of quick cutting device has been improved.
The utility model provides a dual fast cutting device for a gas burner branch pipe of a hot blast stove, which has the beneficial effects that:
through setting up quick cutting assembly, can trigger through quick cutting assembly when unusual putting out a fire with pneumatic three eccentric zero leakage butterfly valve and move immediately and cut off coal gas, realize that the dual interlocking protection cuts off coal gas effectively fast, avoided because pneumatic quick cutting valve is too far away from the nozzle body, the gas pipeline takes place tempering phenomenon and takes place explosion phenomenon even under the urgent quick cutting of pneumatic quick cutting valve to reduce the frequency of occurrence of incident, can realize through pneumatic three eccentric zero leakage butterfly valve that through quick cutting assembly close instruction back nozzle body on the nozzle body pneumatic quick cutting valve interlocking close between nozzle body and the branch pipe body, realize that the dual interlocking protection cuts off coal gas effectively fast between gas nozzle body and the branch pipe body.
Through setting up the holding ring, can cooperate connecting pipe and branch pipe body through the holding ring, make coal gas can circulate inside connecting pipe and branch pipe body, thereby ensure that quick cut subassembly cuts off this internal coal gas of branch pipe, through setting up the screw hole, can carry out threaded connection with the bolt through the screw hole, make the stability and the mountability of being connected between connecting pipe and the branch pipe body more stable, thereby the stability and the mountability of quick cutting device have been improved, the staff has been made things convenient for simultaneously to dismantle and install connecting pipe and branch pipe body, through setting up the locating hole, can overlap the bolt through the locating hole and establish, thereby make things convenient for bolt and screw hole to carry out stable connection, through setting up the bolt, can be connected between holding ring and the holding ring, make coal gas can circulate inside connecting pipe and branch pipe body, thereby the practicality of quick cutting device has been improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a front view structure according to an embodiment of the present utility model;
fig. 2 is a schematic diagram of a split structure according to an embodiment of the present utility model;
FIG. 3 is a schematic view of a branch pipe body according to an embodiment of the present utility model;
fig. 4 is an enlarged schematic view of a partial structure of fig. 2 a.
In the figure: 1. a hot blast stove body; 2. a connecting pipe; 3. a positioning ring; 4. a fixing ring; 5. a branch pipe body; 6. an electric butterfly valve; 7. a glasses valve; 8. a pneumatic quick-cut valve; 9. an electric gas flow regulating valve; 10. pneumatic triple eccentric zero leakage butterfly valve; 11. a burner body; 12. a pressure gauge; 13. a threaded hole; 14. positioning holes; 15. and (5) a bolt.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the dual fast cutting device for the gas burner branch pipe of the hot blast stove provided by the embodiment of the utility model comprises a hot blast stove body 1, the hot blast stove body 1 is of a structure which is not repeated here, one side of the hot blast stove body 1 is provided with a connecting pipe 2, the outer circular wall surface fixing sleeve of the connecting pipe 2 is provided with a positioning ring 3, one side of the positioning ring 3 is provided with a fixing ring 4, the inner circular wall surface fixing sleeve of the fixing ring 4 is provided with a branch pipe body 5, one side of the hot blast stove body 1 is provided with a fast cutting component for fast cutting gas in the branch pipe body 5, the connecting pipe 2 and the branch pipe body 5 can be connected through the positioning ring 3 and the fixing ring 4, so that gas can flow in the connecting pipe 2 and the branch pipe body 5, and the fast cutting component can be used for fast cutting gas in the branch pipe body 5, and further comprises a pneumatic triple eccentric zero leakage 10, the pneumatic triple eccentric zero leakage butterfly valve 10 is arranged on the outer circular wall surface of the branch pipe body 5, one end of the branch pipe body 5 is fixedly provided with a body 11, an electric butterfly valve flow regulating valve 9 and an electric butterfly valve 6 are fixedly arranged on the top surface 12, and an electric butterfly valve body 6 are fixedly arranged on the top surface of the butterfly valve body 6, and the air flow regulating valve body is provided with a pressure meter 11, and a pressure meter is interlocked to realize the fast cutting device 11 through the double-stop valve 11, and the fast cutting device is an interlocking structure, and the fast cutting device is realized, and the burner is not has an interlocking structure, and a burner is realized, and has a burner is fast burner 11.
Referring to fig. 1, 2, 3 and 4, one end of the positioning ring 3 is provided with a plurality of threaded holes 13, and the positioning ring 3 can be in threaded connection with the bolts 15 through the threaded holes 13, so that the connection between the connecting pipe 2 and the branch pipe body 5 is more stable, one end of the fixing ring 4 is provided with a plurality of positioning holes 14, the positioning holes 14 correspond to the threaded holes 13, and the bolts 15 can be sleeved through the positioning holes 14, so that the bolts 15 and the threaded holes 13 are conveniently and stably connected.
Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the movable sleeve of the inner circular wall surface of the positioning hole 14 is provided with a bolt 15, the bolt 15 is not repeated here for the existing structure, the bolt 15 is in threaded connection with the threaded hole 13, the positioning ring 3 and the fixed ring 4 can be connected through the bolt 15, gas can circulate inside the connecting pipe 2 and the branch pipe body 5, the quick cutting assembly comprises an electric butterfly valve 6, the electric butterfly valve 6 is arranged on the outer circular wall surface of the connecting pipe 2, one end of the branch pipe body 5 is fixedly connected with a glasses valve 7, the outer circular wall surface of the branch pipe body 5 is provided with a pneumatic quick cutting valve 8, the outer circular wall surface of the branch pipe body 5 is provided with an electric gas flow regulating valve 9, the electric butterfly valve 6 and the glasses valve 7, the pneumatic quick cutting valve 8 and the electric gas flow regulating valve 9 are not repeated here for the existing structure, the quick cutting valve 8 can be triggered to immediately act with the pneumatic three-eccentric zero leakage 10 during abnormal fire extinguishing, the quick interlocking protection of the gas is realized, the quick and the quick cutting of the gas is effectively cut off due to the fact that the quick cutting valve 8 is far away from the burner body 11, the occurrence of the quick explosion of the gas is avoided, and the occurrence of the quick explosion accident of the quick explosion of the gas is reduced due to the quick explosion of the quick gas cutting valve is avoided.
Working principle: referring to fig. 1-4, when in use, a worker can fully open the electric butterfly valve 6 and the glasses valve 7, the pneumatic three-eccentric zero-leakage butterfly valve 10 newly installed at the root of the pneumatic quick-cut valve 8 and the burner body 11 is fully opened, and the gas flow is regulated by the opening of the electric gas flow regulating valve 9, so that when the maintenance is stopped: the pneumatic quick-cutting valve 8 and the pneumatic three-eccentric zero-leakage butterfly valve 10 immediately act to cut off gas, at the moment, the electric butterfly valve 6 and the glasses valve 7 are closed to conduct multiple cutting off to ensure that the gas is effectively cut off, so that when abnormal fire is extinguished: when the pneumatic quick-cut valve 8 can not be closed immediately due to faults, the gas can be blocked through the newly added pneumatic three-eccentric zero-leakage butterfly valve 10, meanwhile, the installation position of the newly added pneumatic three-eccentric zero-leakage butterfly valve 10 is closer to the root of the burner body 11, and the tempering and explosion caused by residual gas between the pneumatic quick-cut valve 8 and the burner body 11 during abnormal fire extinguishing are prevented, so that the zero-leakage valve is selected for the newly added pneumatic three-eccentric zero-leakage butterfly valve 10, the sealing performance and the blocking effect are better, and the defect that the gas can not be completely blocked due to the leakage of the pneumatic quick-cut valve 8 is overcome.
The foregoing is merely exemplary of the present utility model and is not intended to limit the present utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are to be included in the scope of the claims of the present utility model.
Claims (6)
1. The utility model provides a dual quick cutting device of hot-blast furnace gas nozzle branch pipe which characterized in that includes:
the hot blast stove comprises a hot blast stove body (1), wherein a connecting pipe (2) is arranged on one side of the hot blast stove body (1), a positioning ring (3) is fixedly sleeved on the outer circular wall surface of the connecting pipe (2), a fixing ring (4) is arranged on one side of the positioning ring (3), and a branch pipe body (5) is fixedly sleeved on the inner circular wall surface of the fixing ring (4);
and the fast cutting assembly is arranged on one side of the hot blast stove body (1) and is used for fast cutting gas in the branch pipe body (5).
2. A dual fast cutting device for a hot blast stove gas burner manifold according to claim 1, wherein the fast cutting assembly comprises:
the electric butterfly valve (6), electric butterfly valve (6) set up the outer circular wall of connecting pipe (2), the one end fixedly connected with glasses valve (7) of branch pipe body (5), the outer circular wall of branch pipe body (5) is provided with pneumatic quick-cut valve (8), the outer circular wall of branch pipe body (5) is provided with electric gas flow control valve (9).
3. The dual fast cutting device of a hot blast stove gas burner manifold according to claim 2, wherein the fast cutting assembly further comprises:
pneumatic three-eccentric zero-leakage butterfly valve (10), pneumatic three-eccentric zero-leakage butterfly valve (10) set up the excircle wall of branch pipe body (5), the one end fixed mounting of branch pipe body (5) has nozzle body (11), electronic gas flow control valve (9) with the top surface of electronic butterfly valve (6) is all fixed mounting has manometer (12).
4. A dual fast cutting device for a branch pipe of a hot blast stove gas burner according to claim 1, wherein one end of the positioning ring (3) is provided with a plurality of threaded holes (13).
5. The dual quick cutting device of the hot blast stove gas burner branch pipe according to claim 4, wherein a plurality of positioning holes (14) are formed at one end of the fixing ring (4), and the positioning holes (14) correspond to the threaded holes (13).
6. The dual quick cutting device for the branch pipes of the hot blast stove gas burner according to claim 5, wherein the inner circular wall surface of the positioning hole (14) is movably sleeved with a bolt (15), and the bolt (15) is in threaded connection with the threaded hole (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321186825.8U CN219955654U (en) | 2023-05-17 | 2023-05-17 | Dual fast cutting device for branch pipe of gas burner of hot blast stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321186825.8U CN219955654U (en) | 2023-05-17 | 2023-05-17 | Dual fast cutting device for branch pipe of gas burner of hot blast stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219955654U true CN219955654U (en) | 2023-11-03 |
Family
ID=88538101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321186825.8U Active CN219955654U (en) | 2023-05-17 | 2023-05-17 | Dual fast cutting device for branch pipe of gas burner of hot blast stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219955654U (en) |
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2023
- 2023-05-17 CN CN202321186825.8U patent/CN219955654U/en active Active
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