CN208382212U - Anti-clogging gas-jet tube - Google Patents
Anti-clogging gas-jet tube Download PDFInfo
- Publication number
- CN208382212U CN208382212U CN201820975373.4U CN201820975373U CN208382212U CN 208382212 U CN208382212 U CN 208382212U CN 201820975373 U CN201820975373 U CN 201820975373U CN 208382212 U CN208382212 U CN 208382212U
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- China
- Prior art keywords
- gas
- branch pipe
- clogging
- branch
- jet tube
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Abstract
The utility model provides a kind of anti-clogging gas-jet tube, including gas main assembly and at least one set of branch gas tube assembly, wherein, gas main assembly includes gas main, manifold pressure table and total sluice valve, and every group of branch gas tube assembly includes branch gas tube, branch sluice valve, branch hook gauge and burner piping；Anti-clogging gas-jet tube further includes preventing clogging up device, preventing clogging up device includes the elbow branch pipe being arranged between branch gas tube and burner piping and bypass branch pipe, wherein elbow branch pipe curved branch pipe, upper switching gate valve, elbow pipeline, blowoff gate valve, filter screen, lower switching gate valve and upper curved branch pipe under including, bypass branch pipe includes by-pass gate and bypass line.The anti-clogging gas-jet tube of the utility model can be switched fast coal gas transport path and online blowdown, and effectively having prevented gas impurity siltation blocking pipeline influences the generation of production problem, meet the quality requirement that large-scale roasting apparatus is lighted a fire online.
Description
Technical field
The utility model relates to large-scale roasting apparatus technical fields can be fast more particularly to a kind of anti-clogging gas-jet tube
Speed switching and online blowdown have prevented the problem of gas impurity siltation blocking pipeline influence produces.
Background technique
In many large-scale roasting apparatus, gas-jet tube is its important component, such as: being produced in sinter, pellet
In, blast furnace or coke-stove gas enter production procedure by gas-jet tube, and ignition provides thermal energy.Ignition quality is sintering, ball
Key element in group's production.To ensure the quality of production, it need to guarantee the stabilization of thermal energy, persistently provide, but coal gas in actual production
Impurity is more, and after running a period of time, will deposit blocking pipeline because of impurity, on the one hand will cause the reduction of coal gas supply amount, shadow
Ring actual ignition quality；On the other hand it is also possible to cause gas leakage accident because of the narrow pressure increase of caliber.Therefore, at present
The usual way of manufacturing enterprise is: periodically stop production dredging, the selection coal gas few using relative impurity.The former influences production capacity promotion, after
Person increases production cost, and limits corporate resources selective power.
Utility model content
To prevent the problem of gas impurity siltation blocking pipeline influence produces, the utility model provides a kind of anti-blocking
Fill in gas-jet tube, can be switched fast and online blowdown, meet large-scale roasting apparatus light a fire online stablize, the lasting quality of production
Demand.
The anti-clogging gas-jet tube of the utility model includes gas main assembly and at least one set of branch gas tube assembly,
In, the gas main assembly includes gas main, manifold pressure table and total sluice valve, and branch gas tube assembly described in every group includes
Branch gas tube, branch sluice valve, branch hook gauge and burner piping, which is characterized in that the anti-clogging gas-jet tube further includes preventing
Blocking device, the preventing clogging up device include the elbow branch pipe being arranged between the branch gas tube and the burner piping and side
Logical branch pipe, wherein the elbow branch pipe include under curved branch pipe, upper switching gate valve, elbow pipeline, blowoff gate valve, filter screen, incision
Gate valve and upper curved branch pipe are changed, the bypass branch pipe includes by-pass gate and bypass line.
Further, in the anti-clogging gas-jet tube, the inlet side of curved branch pipe docks the branch gas tube under described,
The outlet side of the upper curved branch pipe docks the burner piping, the elbow pipeline be docked at it is described under curved branch pipe outlet side and
Between the inlet side of the upper curved branch pipe, the blowoff gate valve is mounted on the lower part of the elbow pipeline, the filter screen installation
In the outlet side of the elbow pipeline, the upper switching gate valve and the lower switching gate valve are separately mounted to the elbow pipeline
With it is described under the outlet side docked with the upper curved branch pipe of inlet side and the elbow pipeline that docks of curved branch pipe.
Further, in the anti-clogging gas-jet tube, curved branch pipe is relative to the branch gas tube with 100- under described
150 ° of bent angle setting, the upper curved branch pipe are arranged relative to the burner piping with 100-150 ° of bent angle.
Further, in the anti-clogging gas-jet tube, curved branch pipe is relative to the branch gas tube with 120 ° under described
Bent angle setting, the upper curved branch pipe is arranged relative to the burner piping with 120 ° of bent angle.
Further, in the anti-clogging gas-jet tube, curved branch pipe under the side docking of the bypass line is described, institute
The upper curved branch pipe is docked in the other side for stating bypass line, and the by-pass gate is mounted on the bypass line.
Further, in the anti-clogging gas-jet tube, the bypass line and it is described under curved branch pipe docking location
Higher than the docking location of the bypass line and the upper curved branch pipe, so that the bypass line is with respect to the horizontal plane downward
5-15 ° of inclination.
Further, in the anti-clogging gas-jet tube, the bypass line with respect to the horizontal plane tilts down 5 °.
Further, in the anti-clogging gas-jet tube, the burner piping is connected to nozzle by docking facilities, described
Docking facilities include expansion joint, adjustment bracket and adjustment trolley.
Using the anti-clogging gas-jet tube of the utility model, in normal operation, according to conventional coal gas transport path
By blast furnace or coke-stove gas from gas main introduce branch gas tube, under curved branch pipe, elbow pipeline and upper curved branch pipe, then through burner
Pipeline introduces nozzle, implements nozzle igniting operation；Once coal gas transport path blocks, coal gas transport path is switched to side
Logical branch pipe, blast furnace or coke-stove gas from gas main introduce branch gas tube, under curved branch pipe, bypass line and upper curved branch pipe, then
Nozzle is introduced through burner piping, keeps being normally carried out for nozzle igniting operation.Meanwhile starting blowoff gate valve and carrying out online blowdown,
Eliminate the blocking in coal gas transport path.It can be seen that the anti-clogging gas-jet tube of the utility model can be switched fast coal gas
Transport path and online blowdown, effectively having prevented gas impurity siltation blocking pipeline influences the generation of production problem, meets big
The quality requirement that type roasting apparatus is lighted a fire online.Moreover, it is no longer harsh to the requirement of coal gas in actual production operation, coal gas can be used
Range expands, and advantageously reduces production cost.In addition, the anti-clogging gas-jet tube of the utility model also has easy to operate, peace
Complete reliable advantage.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structure diagram of the anti-clogging gas-jet tube of the utility model.
Fig. 2 is the schematic diagram for schematically showing the setting of elbow branch pipe and bypass branch pipe in anti-clogging gas-jet tube.
Description of symbols: 1, gas main, 2, manifold pressure table, 3, total sluice valve, 4, branch gas tube, 5, branch pipe closer
Valve, 6, branch hook gauge, 7, under curved branch pipe, 8, upper switching gate valve, 9, elbow pipeline, 10, blowoff gate valve, 11, filter screen, 12,
Lower switching gate valve, 13, upper curved branch pipe, 14, by-pass gate, 15, bypass line, 16, burner piping, 17, expansion joint, 18, adjustment
Bracket, 19, adjustment trolley, 20, nozzle.
Specific embodiment
It is specific below in conjunction with the utility model to keep the purpose of this utility model, technical solution and advantage clearer
Technical solutions of the utility model are clearly and completely described in embodiment and corresponding attached drawing.Obviously, described embodiment
It is only a part of the embodiment of the utility model, instead of all the embodiments.Based on the embodiments of the present invention, this field
Those of ordinary skill's every other embodiment obtained without making creative work, belongs to the utility model
The range of protection.
As shown in Figure 1, the anti-clogging gas-jet tube of the utility model is connected to nozzle via docking facilities, thus by blast furnace
Or coke-stove gas introduces nozzle and realizes igniting.Anti-clogging gas-jet tube includes that gas main assembly and at least one set of branch gas tube are total
At, wherein gas main assembly includes that gas main 1, manifold pressure table 2 and total sluice valve 3, every group of branch gas tube assembly include
Branch gas tube 4, branch sluice valve 5, branch hook gauge 6 and burner piping 16.Docking facilities include expansion joint 17, adjustment 18 and of bracket
Trolley 19 is adjusted, the burner piping 16 in branch gas tube assembly is connected to nozzle 20 by docking facilities, realizes the spray of anti-clogging coal gas
The seamless interfacing of pipe and nozzle 20.
The anti-clogging gas-jet tube of the utility model further includes preventing clogging up device, which includes being arranged in coal gas
Elbow branch pipe between branch pipe 4 and burner piping 16 and bypass branch pipe, wherein elbow branch pipe curved branch pipe 7, upper switching lock under including
Valve 8, elbow pipeline 9, blowoff gate valve 10, filter screen 11, lower switching gate valve 12 and upper curved branch pipe 13；Bypassing branch pipe includes bypass lock
Valve 14 and bypass line 15.
Suitable material, appropriate size production and installation gas main 1 can be selected according to actual needs.In view of blast furnace, coke
Producer gas feature need to use high temperature resistant, corrosion-resistant material, the high temperature resistant steel pipe or stainless that general optional such as diameter is 500mm
Steel pipe etc., internal diameter apply anticorrosive material and form anti-corrosion layer.Manifold pressure table 2 and total sluice valve 3 are installed to the appropriate of gas main 1
At position.
At least one opening is set on gas main 1 according to actual needs, and it is total that each opening accesses one group of branch gas tube
At, undertake by coal gas by actual demand distribution igniting effect.Such as certain iron-smelter 265m2The coal gas of ignition of sintering process system sprays
Include 20 groups of branch gas tube assemblies in pipe, then needs that 20 openings are arranged on gas main 1, each opening accesses one group of coal gas
Branch pipe assembly.Every group of branch gas tube assembly includes branch gas tube 4, branch sluice valve 5, branch hook gauge 6 and burner piping 16.It can
The production of high temperature resistant stainless steel pipe and the installation branch gas tube 4 of the interior coated anti-corrosion layer that such as diameter is 50mm are selected according to actual needs
With burner piping 16, branch sluice valve 5 and branch hook gauge 6 are installed to the appropriate position of branch gas tube 4.
Same material production can be used in curved branch pipe 7, elbow pipeline 9 and upper curved branch pipe 13 under elbow branch pipe, such as can root
Curved branch pipe 7 and upper curved branch pipe under the high temperature resistant stainless steel pipe production that diameter is the interior coated anti-corrosion layer of 50mm are selected according to actual needs
13, select the high temperature resistant stainless steel pipe that diameter is the interior coated anti-corrosion layer of 40mm to make elbow pipeline 9.Under curved branch pipe 7 inlet side
Dock branch gas tube 4, and as shown in Figure 2 under curved branch pipe 7 be arranged relative to branch gas tube 4 with 100-150 ° of bent angle α.It is upper curved
The outlet side of branch pipe 13 docks burner piping 16, and goes up curved branch pipe 13 as shown in Figure 2 relative to burner piping 16 with 100-
150 ° of bent angle β setting.Preferably, under curved branch pipe 7 relative to branch gas tube 4 bent angle α be 120 °, upper curved branch pipe 13 relative to
The bent angle β of burner piping 16 is 120 °.In addition, elbow pipeline 9 be docked at down curved branch pipe 7 outlet side and upper curved branch pipe 13 into
Between mouth side, the lower part of elbow pipeline 9 is equipped with blowoff gate valve 10, and the outlet side of elbow pipeline 9 is equipped with for removing coal gas
The filter screen 11 of middle impurity.The inlet side that curved branch pipe 7 docks under of elbow pipeline 9 and elbow pipeline 9 with upper curved branch pipe
The outlet side of 13 docking is separately installed with switching gate valve 8 and lower switching gate valve 12.It, can be with using the elbow branch pipe of above structure
Play the role of depositing impurity in coal gas, convenient for the online blowdown of the anti-clogging gas-jet tube of the utility model.
The bypass line 15 for bypassing branch pipe can be made of material identical with elbow branch pipe, such as can be according to practical need
The high temperature resistant stainless steel pipe that diameter is the interior coated anti-corrosion layer of 50mm is selected to make bypass line 15.The side pair of bypass line 15
Curved branch pipe 7, the other side are connect down to curved branch pipe 13 is connected, by-pass gate 14 is installed on bypass line 15.As shown in Fig. 2, other
The docking location of curved branch pipe 7 under of siphunculus road 15 is slightly above the docking location of bypass line 15 Yu upper curved branch pipe 13, thus bypasses
Pipeline 15 with respect to the horizontal plane tilts down into 5-15 ° of horizontal sextant angle θ.Preferably, bypass line 15 with respect to the horizontal plane to
Under be inclined to 5 ° of horizontal sextant angle θ.Using the bypass branch pipe of above structure, siltation coal gas in bypass line 15 can be prevented miscellaneous
Matter.
The application method of the anti-clogging gas-jet tube of the utility model includes: to open total pipe closer under (1) normal operating conditions
Valve 3, branch sluice valve 5, upper switching gate valve 8 and lower switching gate valve 12 close by-pass gate 14, blowoff gate valve 10, blast furnace or coke oven
Coal gas by gas main 1 enter branch gas tube 4, under curved branch pipe 7, elbow pipeline 9 and upper curved branch pipe 13, then through burner piping 16
Nozzle 20 is introduced, nozzle igniting operation is implemented.Under above-mentioned normal operating conditions, i.e., mainly undertake the elbow of coal gas conveying task
For pipeline 9 without under stopping state, the pressure difference between manifold pressure table 2 and branch hook gauge 6 is steady state value, and is in preset safety
In range.(2) in the course of work, such as detect that the pressure difference between manifold pressure table 2 and branch hook gauge 6 increases and exceeds default
Safe range, that is, can determine that mainly undertake coal gas conveying task elbow pipeline 9 block.At this point, opening by-pass gate
14 and close and switch gate valve 8 and lower switching gate valve 12, by blast furnace or coke-stove gas by the introducing of gas main 1 branch gas tube 4, under
Then curved branch pipe 7, bypass line 15 and upper curved branch pipe 13 introduce nozzle 20 through burner piping 16, implement nozzle igniting operation；?
In the case where guaranteeing normal nozzles igniting operation, the blowoff gate valve 10 for opening 9 lower part of elbow pipeline carries out online blowdown, and clears up
Filter screen 11；After determining blowdown, the filter screen 11 after cleaning is installed in place, blowoff gate valve 10 is closed, switches in opening
Gate valve 8 and lower switching gate valve 12 close by-pass gate 14, are restored to normal operating conditions.
Using the anti-clogging gas-jet tube of the utility model, in normal operation, according to conventional coal gas transport path
By blast furnace or coke-stove gas from gas main introduce branch gas tube, under curved branch pipe, elbow pipeline and upper curved branch pipe, then through burner
Pipeline introduces nozzle, implements nozzle igniting operation；Once coal gas transport path blocks, coal gas transport path is switched to side
Logical branch pipe, blast furnace or coke-stove gas from gas main introduce branch gas tube, under curved branch pipe, bypass line and upper curved branch pipe, then
Nozzle is introduced through burner piping, keeps being normally carried out for nozzle igniting operation.Meanwhile starting blowoff gate valve and carrying out online blowdown,
Eliminate the blocking in coal gas transport path.It can be seen that the anti-clogging gas-jet tube of the utility model can be switched fast coal gas
Transport path and online blowdown, effectively having prevented gas impurity siltation blocking pipeline influences the generation of production problem, meets big
The quality requirement that type roasting apparatus is lighted a fire online.Moreover, it is no longer harsh to the requirement of coal gas in actual production operation, coal gas can be used
Range expands, and advantageously reduces production cost.In addition, the anti-clogging gas-jet tube of the utility model also has easy to operate, peace
Complete reliable advantage.
It should be noted that, in this document, the relational terms of such as " first ", " second " or the like are used merely to one
Entity or operation are distinguished with another entity or operation, without necessarily requiring or implying between these entities or operation
There are any actual relationship or orders.In addition, herein "front", "rear", "left", "right", "upper", "lower" "inner",
"outside", "top", "bottom" etc. are using the placement status indicated in attached drawing as reference.
Finally, it should be noted that above embodiments are merely to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that:
It can still modify to technical solution documented by previous embodiment, or be equal to part of technical characteristic
Replacement；And these are modified or replaceed, the scope of the utility model that it does not separate the essence of the corresponding technical solution.
Claims (8)
1. a kind of anti-clogging gas-jet tube, including gas main assembly and at least one set of branch gas tube assembly, wherein the coal gas
Total pipe assembly includes gas main, manifold pressure table and total sluice valve, and branch gas tube assembly described in every group includes branch gas tube, branch
Sluice valve, branch hook gauge and burner piping, which is characterized in that the anti-clogging gas-jet tube further includes preventing clogging up device, institute
Preventing clogging up device is stated to include the elbow branch pipe being arranged between the branch gas tube and the burner piping and bypass branch pipe, wherein
The elbow branch pipe include under curved branch pipe, upper switching gate valve, elbow pipeline, blowoff gate valve, filter screen, lower switching gate valve and upper curved
Branch pipe, the bypass branch pipe includes by-pass gate and bypass line.
2. anti-clogging gas-jet tube according to claim 1, which is characterized in that the inlet side of curved branch pipe docks institute under described
State branch gas tube, the outlet side of the upper curved branch pipe docks the burner piping, the elbow pipeline be docked at it is described under curved branch
Between the outlet side of pipe and the inlet side of the upper curved branch pipe, the blowoff gate valve is mounted on the lower part of the elbow pipeline, institute
The outlet side that filter screen is mounted on the elbow pipeline is stated, the upper switching gate valve and the lower switching gate valve are separately mounted to institute
State elbow pipeline with it is described under the inlet side that docks of curved branch pipe and the elbow pipeline docked with the upper curved branch pipe
Outlet side.
3. anti-clogging gas-jet tube according to claim 2, which is characterized in that curved branch pipe is relative to the coal gas under described
Branch pipe is arranged with 100-150 ° of bent angle, and the upper curved branch pipe is arranged relative to the burner piping with 100-150 ° of bent angle.
4. anti-clogging gas-jet tube according to claim 3, which is characterized in that curved branch pipe is relative to the coal gas under described
Branch pipe is arranged with 120 ° of bent angle, and the upper curved branch pipe is arranged relative to the burner piping with 120 ° of bent angle.
5. anti-clogging gas-jet tube according to claim 1, which is characterized in that described in the side docking of the bypass line
Under curved branch pipe, the other side of the bypass line docks the upper curved branch pipe, and the by-pass gate is mounted on the bypass line
On.
6. anti-clogging gas-jet tube according to claim 5, which is characterized in that the bypass line and it is described under curved branch pipe
Docking location be higher than the bypass line and the upper curved branch pipe docking location, the bypass line with respect to the horizontal plane to
Lower 5-15 ° of inclination.
7. anti-clogging gas-jet tube according to claim 6, which is characterized in that the bypass line with respect to the horizontal plane to
Lower 5 ° of inclination.
8. anti-clogging gas-jet tube according to any one of claim 1 to 7, which is characterized in that the burner piping by
Docking facilities are connected to nozzle, and the docking facilities include expansion joint, adjustment bracket and adjustment trolley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820975373.4U CN208382212U (en) | 2018-06-25 | 2018-06-25 | Anti-clogging gas-jet tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820975373.4U CN208382212U (en) | 2018-06-25 | 2018-06-25 | Anti-clogging gas-jet tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208382212U true CN208382212U (en) | 2019-01-15 |
Family
ID=64965156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820975373.4U Expired - Fee Related CN208382212U (en) | 2018-06-25 | 2018-06-25 | Anti-clogging gas-jet tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208382212U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111298149A (en) * | 2020-03-17 | 2020-06-19 | 王涣 | Steam disinfection device capable of avoiding shutdown caused by pipeline blockage |
-
2018
- 2018-06-25 CN CN201820975373.4U patent/CN208382212U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111298149A (en) * | 2020-03-17 | 2020-06-19 | 王涣 | Steam disinfection device capable of avoiding shutdown caused by pipeline blockage |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190115 Termination date: 20190625 |