CN206721238U - Blast furnace top pressure safety control is protected in a kind of TRT top pressure power generations - Google Patents
Blast furnace top pressure safety control is protected in a kind of TRT top pressure power generations Download PDFInfo
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- CN206721238U CN206721238U CN201720558314.2U CN201720558314U CN206721238U CN 206721238 U CN206721238 U CN 206721238U CN 201720558314 U CN201720558314 U CN 201720558314U CN 206721238 U CN206721238 U CN 206721238U
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- 238000010248 power generation Methods 0.000 title claims abstract description 14
- 239000007789 gas Substances 0.000 claims description 44
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 238000009738 saturating Methods 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000003034 coal gas Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 206010000372 Accident at work Diseases 0.000 description 1
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
It the utility model is related to a kind of TRT top pressure power generations and protect blast furnace top pressure safety control, belong to blast furnace TRT top pressure power generation equipment technical fields.Technical scheme is：TRT entrance gas pipings（2）With blast furnace（13）Gas exit connection, TRT entrance gas pipings（2）It is provided with entrance butterfly valve（9）, TRT outlets gas piping（1）With low-pressure gas pipe network（11）Connection, TRT outlets gas piping（1）It is provided with exit butterfly valve（10）, TRT outlets gas piping（1）With TRT entrance gas pipings（2）Between be provided with TRT by-pass lines（14）, the TRT by-pass lines（14）Three laterals in parallel are provided with, 2# by-passing valves are respectively equipped with three laterals in parallel（3）, 1# by-passing valves（4）With 3# by-passing valves（5）.The beneficial effects of the utility model are：Blast furnace top pressure is ensured within the scope of reliable and secure, reduces the risk of gas leak, ensure that personnel and equipment safety.
Description
Technical field
It the utility model is related to a kind of TRT top pressure power generations and protect blast furnace top pressure safety control, belong to blast furnace TRT overbottom pressure hair
Electric equipment technical field.
Background technology
Metallurgy industry, blast fumance match set of TRT top pressure power generations, but in power generation process, it is possible that
Blast furnace failure or TRT equipment of itself failure are, it is necessary to coal gas pressure release caused by blast furnace, to ensure that gas piping is not sent out because of superpressure
Raw pipeline burst.But because of TRT design defect itself, cause by-passing valve normally to open, it is abnormal to cause blast furnace top pressure
, there is industrial accident, many potential safety hazards is brought to personnel and equipment in rise.
Utility model content
The utility model purpose is to provide a kind of TRT top pressure power generations and protects blast furnace top pressure safety control, passes through three sides
Port valve, in the case of blast furnace or TRT equipment faults, it is ensured that blast furnace top pressure solves background technology within the scope of reliable and secure
Present in problem.
The technical solution of the utility model is：
Blast furnace top pressure safety control is protected in a kind of TRT top pressure power generations, includes TRT outlets gas piping, TRT entrance coal gas
Pipeline, 2# by-passing valves, 1# by-passing valves, 3# by-passing valves, TRT turbines, entrance butterfly valve, exit butterfly valve, low-pressure gas pipe network, blast furnace
Body of heater and TRT by-pass lines, one end of TRT entrance gas pipings and the gas exit of blast furnace connect, TRT entrance gas pipes
The other end in road is connected with the entrance of TRT turbines, and TRT entrances gas piping is provided with entrance butterfly valve, TRT outlets gas piping
One end be connected with the outlet of TRT turbines, TRT outlet gas piping the other end be connected with low-pressure gas pipe network, TRT export
Gas piping is provided with exit butterfly valve, and TRT by-pass lines, institute are provided between TRT outlet gas pipings and TRT entrance gas pipings
State TRT by-pass lines and be provided with three laterals in parallel, 2# by-passing valves, 1# are respectively equipped with three laterals in parallel
By-passing valve and 3# by-passing valves, the 2# by-passing valves and 1# by-passing valves are hydraulic valve, and 3# by-passing valves are pneumatic operated valve.
The 2# by-passing valves and 1# by-passing valves are connected by a control module with blast furnace top pressure control system, 3# by-passing valves
It is connected by another control module with blast furnace top pressure control system.
The 3# by-passing valves are nitrogen pneumatic operated valve.
TRT repid cut-off valves are provided between TRT turbines and TRT the entrance gas piping.
Using the utility model, when blast furnace and TRT equipment normal operations, 2# by-passing valves, 1# by-passing valves and 3# by-passing valves are complete
Portion closes.When blast furnace top pressure exceedes setting, 1# by-passing valves open regulation blast furnace top pressure first, if on blast furnace top pressure continues
When rising, 2# by-passing valves begin participating in regulation blast furnace top pressure, until being down to setting.If 2# by-passing valves and 1# by-passing valves power-off or
When module breaks down, 3# by-passing valves automatically open up, and give blast furnace top pressure pressure release, until being down to setting.
The beneficial effects of the utility model are：In the case of blast furnace or TRT equipment faults, it is ensured that blast furnace top pressure is reliable
Within safe range.Ensure that gas piping does not build the pressure, reduce the risk of gas leak, while improve the utilization rate of coal gas, reduce
Environmental pollution, it ensure that personnel and equipment safety.
Brief description of the drawings
Fig. 1 is the utility model structure diagram；
In figure：1st, TRT exports gas piping, and 2, TRT entrance gas pipings, 3,2# by-passing valves, 4,1# by-passing valves, 5, by 3#
Port valve, 6, TRT turbines, 7, outlet push-pull valve, 8, entrance push-pull valve, 9, entrance butterfly valve, 10, exit butterfly valve, 11, low-pressure gas
Pipe network, 12, pressure reducing valve of blast furnace group, 13, blast furnace, 14, TRT by-pass lines, 15, TRT repid cut-off valves.
Embodiment
Below in conjunction with accompanying drawing, by example, the utility model is described in further detail.
Referring to the drawings 1, blast furnace top pressure safety control is protected in a kind of TRT top pressure power generations, comprising TRT outlets gas piping 1,
TRT entrances gas piping 2,2# by-passing valves 3,1# by-passing valves 4,3# by-passing valves 5, TRT turbines 6, entrance butterfly valve 9, exit butterfly valve
10th, low-pressure gas pipe network 11, blast furnace 13 and TRT by-pass lines 14, one end of TRT entrances gas piping 2 and blast furnace
13 gas exit connection, the other end of TRT entrances gas piping 2 are connected with the entrance of TRT turbines 6, TRT entrance gas pipes
Road 2 is provided with entrance butterfly valve 9, and one end of TRT outlets gas piping 1 is connected with the outlet of TRT turbines 6, TRT outlets gas pipe
The other end in road 1 is connected with low-pressure gas pipe network 11, and TRT outlets gas piping 1 is provided with exit butterfly valve 10, TRT outlets coal gas
TRT by-pass lines 14 are provided between pipeline 1 and TRT entrances gas piping 2, the TRT by-pass lines 14 are provided with three parallel connections
Lateral, be respectively equipped with 2# by-passing valves 3,1# by-passing valves 4 and 3# by-passing valves 5, the 2# on three laterals in parallel
By-passing valve 3 and 1# by-passing valves 4 are hydraulic valve, and 3# by-passing valves 5 are pneumatic operated valve.
In the present embodiment, 2# by-passing valves 3 and 1# by-passing valves 4 and stack vane control output point on one module, power off
Or during module failure, 2# by-passing valves 3 and 1# by-passing valves 4, stator blade can not participate in blast furnace top pressure regulation.Blast furnace and TRT are set
Under standby normal operating condition, 2# by-passing valves, 1# by-passing valves and 3# by-passing valve Close Alls.When blast furnace top pressure exceedes setting,
1# by-passing valves 4 are main valve, and 2# by-passing valves 3 are standby valve, and 1# by-passing valves open regulation blast furnace top pressure first, if blast furnace top pressure continues
During rising, 2# by-passing valves begin participating in regulation blast furnace top pressure, until being down to setting.
3# by-passing valves 5 are nitrogen pneumatic operated valve, and 3# by-passing valves 5 are controlled using independent PLC, are only interlocked with blast furnace top pressure, pressure
Point uses " three select two modes ", is died valve open type control system from power-off.During blast furnace top pressure exception, ginseng can be directly opened
Adjusted with blast furnace top pressure, while increase PLC system the power supply and communication module of 1 piece of PLC substation, composition substation power is with communicating
Redundant system, then by stack vane control output point and by-pass governing output point, separated from a module, make two two to stand defeated
Go out module controls stator blade regulation to be adjusted with bypass respectively.
Pressure reducing valve of blast furnace group 12 can be opened when TRT failures or blast furnace staying.
Claims (4)
1. blast furnace top pressure safety control is protected in a kind of TRT top pressure power generations, it is characterised in that：Gas piping is exported comprising TRT
（1）, TRT entrance gas pipings（2）, 2# by-passing valves（3）, 1# by-passing valves（4）, 3# by-passing valves（5）, TRT turbines（6）, entrance
Butterfly valve（9）, exit butterfly valve（10）, low-pressure gas pipe network（11）, blast furnace（13）With TRT by-pass lines（14）, TRT entrance coals
Feed channel（2）One end and blast furnace（13）Gas exit connection, TRT entrance gas pipings（2）The other end and TRT it is saturating
Flat machine（6）Entrance connection, TRT entrance gas pipings（2）It is provided with entrance butterfly valve（9）, TRT outlets gas piping（1）One
End and TRT turbines（6）Outlet connection, TRT outlet gas piping（1）The other end and low-pressure gas pipe network（11）Connection,
TRT exports gas piping（1）It is provided with exit butterfly valve（10）, TRT outlets gas piping（1）With TRT entrance gas pipings（2）It
Between be provided with TRT by-pass lines（14）, the TRT by-pass lines（14）It is provided with three laterals in parallel, three in parallel
2# by-passing valves are respectively equipped with lateral（3）, 1# by-passing valves（4）With 3# by-passing valves（5）, the 2# by-passing valves（3）By 1#
Port valve（4）For hydraulic valve, 3# by-passing valves（5）For pneumatic operated valve.
2. blast furnace top pressure safety control is protected in a kind of TRT top pressure power generations according to claim 1, it is characterised in that：Institute
State 2# by-passing valves（3）With 1# by-passing valves（4）It is connected by a control module with blast furnace top pressure control system, 3# by-passing valves（5）
It is connected by another control module with blast furnace top pressure control system.
3. blast furnace top pressure safety control is protected in a kind of TRT top pressure power generations according to claim 1 or 2, it is characterised in that：
The 3# by-passing valves（5）For nitrogen pneumatic operated valve.
4. blast furnace top pressure safety control is protected in a kind of TRT top pressure power generations according to claim 1, it is characterised in that：Institute
State TRT turbines（6）With TRT entrance gas pipings（2）Between be provided with TRT repid cut-off valves（15）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720558314.2U CN206721238U (en) | 2017-05-19 | 2017-05-19 | Blast furnace top pressure safety control is protected in a kind of TRT top pressure power generations |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720558314.2U CN206721238U (en) | 2017-05-19 | 2017-05-19 | Blast furnace top pressure safety control is protected in a kind of TRT top pressure power generations |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206721238U true CN206721238U (en) | 2017-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720558314.2U Active CN206721238U (en) | 2017-05-19 | 2017-05-19 | Blast furnace top pressure safety control is protected in a kind of TRT top pressure power generations |
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| CN (1) | CN206721238U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115232900A (en) * | 2022-07-25 | 2022-10-25 | 广西钢铁集团有限公司 | Blast furnace TRT automatic security control device |
-
2017
- 2017-05-19 CN CN201720558314.2U patent/CN206721238U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115232900A (en) * | 2022-07-25 | 2022-10-25 | 广西钢铁集团有限公司 | Blast furnace TRT automatic security control device |
| CN115232900B (en) * | 2022-07-25 | 2024-03-08 | 广西钢铁集团有限公司 | Automatic security control device of blast furnace TRT |
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