CN115449380A - Grouting device and method for brick gas channel - Google Patents
Grouting device and method for brick gas channel Download PDFInfo
- Publication number
- CN115449380A CN115449380A CN202211111130.3A CN202211111130A CN115449380A CN 115449380 A CN115449380 A CN 115449380A CN 202211111130 A CN202211111130 A CN 202211111130A CN 115449380 A CN115449380 A CN 115449380A
- Authority
- CN
- China
- Prior art keywords
- grouting
- brick
- slurry
- gas channel
- brick gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000011449 brick Substances 0.000 title claims abstract description 93
- 238000000034 method Methods 0.000 title claims abstract description 26
- 239000002002 slurry Substances 0.000 claims abstract description 53
- 238000010438 heat treatment Methods 0.000 claims abstract description 16
- 238000011084 recovery Methods 0.000 claims description 21
- 239000011440 grout Substances 0.000 claims description 8
- 239000007921 spray Substances 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 238000011049 filling Methods 0.000 claims description 6
- 229910002804 graphite Inorganic materials 0.000 claims description 5
- 239000010439 graphite Substances 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000004064 recycling Methods 0.000 claims 1
- 239000000571 coke Substances 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 7
- 230000008439 repair process Effects 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 description 7
- 230000005574 cross-species transmission Effects 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B27/00—Arrangements for withdrawal of the distillation gases
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B29/00—Other details of coke ovens
- C10B29/06—Preventing or repairing leakages of the brickwork
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The invention provides a grouting method for a brick gas duct, which relates to the technical field of brick gas ducts, wherein a gunning grouting pump is used and consists of a gas path pipe and a slurry pipe, a communicating vessel is adopted for grouting to treat a blowby furnace number, and the grouting pump is connected to the communicating vessel and is used for grouting into the communicating vessel; the connector grouting repair brick gas channel can freely control the height of slurry, and the slurry can not rush out of the lamp cap brick when reaching a leakage point. The invention also provides a grouting device for the brick gas duct. The invention better treats the leakage phenomenon of the brick gas channel, greatly reduces the temperature of the small flue, reduces the consumption of the coke oven heating gas, has good treatment effect, is not easy to block the vertical flue, the lamp cap brick and the chute port, and does not influence the normal heating of the coke oven; the service cycle time is long after treatment, and secondary leakage fields are not easy to occur.
Description
Technical Field
The invention relates to the technical field of brick gas channels, in particular to a brick gas channel grouting device and method.
Background
The blowby and blockage of the brick gas channel will seriously affect the heating of the coke oven. Most of the blowby of the brick gas channel is caused by insufficient slurry during building, cracking caused by furnace temperature fluctuation during furnace baking, reversing and detonating in production and the like.
When the long-term blowby is not treated, the temperature of the flame path cannot be raised, but the gas can be burnt in the brick gas path due to the contact of the gas and the air leaked in the midway, so that pug and bricks are sintered and nodulated to block the gas path, and the gas path is blocked by graphite formed by cracking the coke oven gas at high temperature due to poor carbon removal. The existing blowby treatment technology is repair treatment, which cannot accurately position and treat the blowby points, and has poor treatment effect, particularly the blowby points of high points cannot be treated.
Therefore, in order to treat the blowby phenomenon of the brick gas duct and carry out accurate positioning treatment, particularly radical treatment on a high blowby point, the technical personnel in the field provide a brick gas duct grouting device and a method so as to solve the technical problems provided in the background.
Disclosure of Invention
The invention aims to provide a grouting device and method for a brick gas duct, which aim to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the invention provides a grouting device for a brick gas pipeline, which mainly comprises a spray-repair filling pump, wherein the structure of the spray-repair filling pump consists of a gas path pipe and a slurry pipe;
the grouting device comprises a communicating vessel and a backflow gun, wherein the communicating vessel and the backflow gun are arranged on a lower spray pipe of a brick gas channel, and a grouting pump is connected to the communicating vessel and is responsible for grouting into the communicating vessel;
still including the recovery unit who is used for retrieving the thick liquid, the return gun overflow pipe is fixed to recovery unit, and when the return gun overflow mouth had the thick liquid to spill over, spilled over the thick liquid and is retrieved by recovery unit.
Preferably, an air path pressure reducing valve is additionally arranged on the air path pipe.
Preferably, the recovery device is an overflow container, and the overflow container is butted with an overflow port of the reflux gun.
The invention provides a grouting method for a brick gas duct, which uses a grouting device for the brick gas duct, and comprises a gunning grouting pump, a communicating vessel and a backflow gun, wherein the grouting pump and the communicating vessel are adopted for grouting treatment of a leakage furnace number, and the grouting pump is connected to the communicating vessel for grouting in the communicating vessel; the slurry height can be freely controlled by grouting and repairing the gas channel of the brick through the communicating vessel, and the slurry can not rush out of the lamp cap brick when reaching a leakage point;
the specific implementation process comprises the following steps:
s1, determining an overflow port; checking the number of the leakage furnace, judging the height of a leakage point and determining the position of an overflow port;
s2, preparing mud materials and filtering for later use;
s3, cleaning the brick gas channel;
s4, grouting;
s5, recovering the heating gas pipeline.
Preferably, S3, when the brick gas channel is in a downdraft, the cock is closed, the pipe plug is opened, the large cover of the lower spray pipe is detached, and impurities and graphite in the brick gas channel are cleaned.
Preferably, S4, install spray tube under the intercommunication ware and the backflow rifle to the brick gas channel, fixed overflow pipe to recovery unit, then open grouting pump and slowly grout in the intercommunication ware, when waiting that the backflow rifle overflow mouth has thick liquid to spill over, stop the grout.
Preferably, in the step S4, when the pressure reaches 0.1Mpa, grouting is performed, the slurry slowly rises along the brick gas channel to fill brick joints, the slurry overflows into the slurry recovery device to be recovered when the slurry reaches a certain height, and grouting is completed after the brick gas channel is cleaned.
Preferably, in S4, the recovery device for recovering the slurry is preferably an overflow container, and the overflow container is butted with an overflow port of the backflow gun;
when the pressure reaches 0.1Mpa, grouting is carried out, the slurry slowly rises along the brick gas channel to fill the brick joints, when the height reaches 2.3 m, the slurry overflows into the prepared slurry overflow container, then the brick gas channel is cleaned, and grouting is finished.
Preferably, in the step S5, the slurry is returned about 20 seconds after grouting is stopped, and redundant mud in the brick gas channel is cleaned after slurry is returned; and (4) removing the grouting device, connecting a heating gas pipeline, opening the cock, and recovering heating.
Compared with the prior art, the invention has the beneficial effects that: the grouting device and method for the brick gas duct can accurately position and treat the leakage of the brick gas duct, can radically treat leakage points at high positions, and remarkably treat the leakage phenomenon of the brick gas duct;
by adopting the grouting method, the temperature of the small flue is greatly reduced, the average temperature of the small flue is reduced by 50 ℃, the consumption of coke oven heating gas is reduced, and the consumption of per ton coke gas is reduced by 2 cubic meters;
the treatment effect is good, the vertical flue, the lamp holder brick and the chute opening are not easy to be blocked, and the normal heating of the coke oven is not influenced; the service cycle time is long after treatment, and secondary leakage fields are not easy to occur.
Detailed Description
The technical solution of the present patent will be further described in detail with reference to the following embodiments.
The invention provides a grouting device and a grouting method for a brick gas pipeline, wherein a gunning grouting pump is used and consists of a gas path pipe and a slurry pipe, a communicating vessel is adopted for grouting to treat a leakage furnace number, and the grouting pump is connected to the communicating vessel and is used for grouting into the communicating vessel; the connector grouting repair brick gas channel can freely control the height of slurry, and the slurry can not rush out of the lamp cap brick when reaching a leakage point.
The concrete implementation process of the brick gas channel grouting method comprises the following steps:
s1, determining an overflow port;
in this step, it is preferable to check the number of the blowby furnace, judge the height of the blowby point, and determine the position of the overflow port.
S2, preparing mud materials and filtering for later use;
s3, cleaning the brick gas channel;
in this step, preferably, when the brick gas channel is in a downdraft, the cock is closed, the pipe plug is opened, the large cover of the lower spray pipe is detached, and impurities and graphite in the brick gas channel are cleaned.
S4, grouting;
in the step, the concrete operation of the grouting link is that the communicating vessel and the backflow gun are installed on a lower spray pipe of the brick gas pipeline, the overflow pipe is fixed to the recovery device, then the grouting pump is started to slowly grout into the communicating vessel, and grouting is stopped when grout overflows from an overflow port of the backflow gun.
Preferably, when the pressure reaches 0.1Mpa, grouting is carried out, the slurry slowly rises along the brick gas channel to fill brick joints, the slurry overflows into the slurry recovery device to be recovered when the slurry reaches a certain height, and grouting is finished after the brick gas channel is cleaned.
S5, heating a gas pipeline;
in the step, preferably, the slurry is re-slurried about 20 seconds after grouting is stopped, and excess mud in the brick gas channel is cleaned after the slurry is re-slurried; and (4) removing the grouting device, connecting a heating gas pipeline, opening the cock, and recovering heating.
In the grouting link, in order to obtain the best grouting effect and recover the overflow slurry most effectively, the grouting method for the brick gas channel has the better operation that when the pressure reaches 0.1Mpa, the slurry slowly rises along the brick gas channel to fill brick joints, and when the height reaches 2.3 m, the slurry overflows into a slurry recovery device, and the overflow slurry is recovered to the maximum extent by the slurry recovery device so as to be convenient for reuse; and then cleaning the brick gas channel to finish grouting.
By adopting the grouting method for the brick gas duct, the blowby in the brick gas duct can be accurately managed at fixed points; the treatment effect is good, the vertical flue, the lamp holder brick and the chute opening are not easy to be blocked, and the normal heating of the coke oven is not influenced; the service cycle is long after treatment, and secondary leakage fields are not easy to appear; the temperature of the small flue is reduced, and the consumption of coke oven heating gas is reduced.
The invention also relates to a grouting device for the brick gas channel, which mainly comprises a spray-repair filling pump, wherein the structure of the spray-repair filling pump consists of an air path pipe and a slurry pipe, and an air path pressure reducing valve is additionally arranged on the air path pipe;
the grouting device comprises a communicating vessel and a backflow gun, wherein the communicating vessel and the backflow gun are arranged on a lower spray pipe of a brick gas channel, and a grouting pump is connected to the communicating vessel and is responsible for grouting into the communicating vessel;
still including the recovery unit who is used for retrieving the thick liquid, fix the return gun overflow pipe to recovery unit, when the return gun overflow mouth has the thick liquid to spill over, spill over the thick liquid and retrieve by recovery unit and be convenient for reuse.
In the grouting device for the brick gas duct, the recovery device for recovering the slurry can be preferably an overflow container, and the overflow container is butted with an overflow port of a backflow gun and is used for recovering the overflow slurry.
When the grouting device for the brick gas channel is adopted, grouting is carried out when the pressure reaches 0.1Mpa, slurry slowly rises along the brick gas channel to fill brick joints, the slurry overflows into an equipped slurry overflow container when the height reaches 2.3 m, and then the brick gas channel is cleaned, so that grouting is finished.
The brick gas channel grouting device and method provided by the invention adopt the communicating vessels to treat the leakage furnace number, after treatment, the gas combustion condition in each combustion chamber is good, the brick opening of the lamp cap is clean, and no graphite exists. By implementing the grouting method, the effect is obvious after treatment, the average temperature of the small flue is reduced by 50 ℃, and the consumption of per ton of coke gas is reduced by 2 cubic meters; during measurement, the temperature of each high-temperature furnace number is recovered to a normal value, the temperature of the small flue is controlled below 450 ℃ after the high-temperature furnace number is processed, the height of slurry can be freely controlled by grouting and repairing the brick gas channel of the communicating vessel, and the slurry can reach a leakage point without worrying about flushing out of a lamp cap brick. Compared with other brick gas duct blowby repairing methods, the method has the advantages of good leakage repairing effect, less equipment, no need of external power, simple operation, low labor intensity and the like.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (9)
1. The grouting device for the brick gas channel is characterized by mainly comprising a gunning filling pump, wherein the gunning filling pump structurally comprises a gas path pipe and a slurry pipe;
the grouting pump is connected to the communicating device and is responsible for grouting into the communicating device;
the recovery device is used for recovering the slurry, the overflow pipe of the backflow gun is fixed to the recovery device, and when the slurry overflows from the overflow port of the backflow gun, the overflowed slurry is recovered by the recovery device.
2. The grouting device for a brick gas channel according to claim 1, wherein an air pressure reducing valve is additionally arranged on the air channel pipe.
3. The grouting device for a brick gas duct according to claim 1 or 2, wherein the recovery device is an overflow container, and the overflow container is butted with an overflow port of the backflow gun.
4. The grouting method of the brick gas duct is characterized in that the grouting device of the brick gas duct is used and comprises a gunning grouting pump, a communicating vessel and a backflow gun, the grouting pump and the communicating vessel are adopted for grouting treatment of a leakage furnace number, and the grouting pump is connected to the communicating vessel to perform grouting in the communicating vessel; the slurry height can be freely controlled by grouting and repairing the gas channel of the brick through the communicating vessel, and the slurry can not rush out of the lamp cap brick when reaching a leakage point;
the method comprises the following steps:
s1, determining an overflow port; checking the number of the blowby furnace, judging the height of a blowby point and determining the position of an overflow port;
s2, preparing mud materials and filtering for later use;
s3, cleaning the brick gas channel;
s4, grouting;
s5, recovering the heating gas pipeline.
5. The brick gas channel grouting method according to claim 4, wherein in the step S3, when the brick gas channel is in a downdraft state, the cock is closed, the pipe plug is opened, the large cover of the lower spray pipe is detached, and impurities and graphite in the brick gas channel are cleaned.
6. The grouting method for the brick gas duct according to claim 4 or 5, wherein S4, a communicating vessel and a backflow gun are installed on a lower nozzle of the brick gas duct, an overflow pipe is fixed to a recovery device, then a grouting pump is started to slowly grout in the communicating vessel, and grouting is stopped when grout overflows from an overflow port of the backflow gun.
7. The brick gas channel grouting method according to claim 6, wherein S4, grouting is performed when the pressure reaches 0.1MPa, the slurry slowly rises along the brick gas channel to fill brick joints, the slurry overflows into the slurry recycling device to be recycled when a certain height is reached, and grouting is completed after the brick gas channel is cleaned.
8. The grouting method for a brick gas duct according to claim 7, wherein the S4 recovery device for recovering slurry is preferably an overflow container which is butted with an overflow port of a backflow gun;
when the pressure reaches 0.1Mpa, grouting is carried out, the slurry slowly rises along the brick gas channel to fill the brick joints, when the height reaches 2.3 m, the slurry overflows into the prepared slurry overflow container, then the brick gas channel is cleaned, and grouting is finished.
9. The grouting method for the brick gas duct according to claim 4, wherein the grout is returned about 20 seconds after grouting is stopped, and excess mud in the brick gas duct is cleaned after the grout is returned; and (4) removing the grouting device, connecting a heating gas pipeline, opening the cock, and recovering heating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211111130.3A CN115449380B (en) | 2022-09-13 | 2022-09-13 | Grouting device and method for brick gas channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211111130.3A CN115449380B (en) | 2022-09-13 | 2022-09-13 | Grouting device and method for brick gas channel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115449380A true CN115449380A (en) | 2022-12-09 |
| CN115449380B CN115449380B (en) | 2024-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211111130.3A Active CN115449380B (en) | 2022-09-13 | 2022-09-13 | Grouting device and method for brick gas channel |
Country Status (1)
| Country | Link |
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| CN (1) | CN115449380B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101649365A (en) * | 2009-09-15 | 2010-02-17 | 山西太钢不锈钢股份有限公司 | Grouting method for blast furnace |
| CN201463574U (en) * | 2009-06-09 | 2010-05-12 | 中冶成工建设有限公司 | Novel grouting device |
| JP2014172997A (en) * | 2013-03-08 | 2014-09-22 | Nippon Steel & Sumitomo Metal | Coke oven gas recovery method |
| KR101500667B1 (en) * | 2014-08-28 | 2015-03-09 | 최정옥 | steel pipe grouting device and tunnel reinforcement andbarrier grouting method using this |
| CN204237809U (en) * | 2014-06-06 | 2015-04-01 | 甘肃酒钢集团宏兴钢铁股份有限公司 | The airtight cementer of a kind of blast furnace taphole passage |
| CN209481554U (en) * | 2019-01-15 | 2019-10-11 | 新疆八一钢铁股份有限公司 | A kind of improved coke oven brick gas passage provisions for grouting |
| CN111363563A (en) * | 2020-03-18 | 2020-07-03 | 中国五冶集团有限公司 | Grouting sealing system and method for coke oven gas lower spray pipe brick gas channel full slurry method |
| CN211999560U (en) * | 2020-03-18 | 2020-11-24 | 中国五冶集团有限公司 | Coke oven gas lower spray pipe brick gas channel full slurry grouting sealing system |
-
2022
- 2022-09-13 CN CN202211111130.3A patent/CN115449380B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201463574U (en) * | 2009-06-09 | 2010-05-12 | 中冶成工建设有限公司 | Novel grouting device |
| CN101649365A (en) * | 2009-09-15 | 2010-02-17 | 山西太钢不锈钢股份有限公司 | Grouting method for blast furnace |
| JP2014172997A (en) * | 2013-03-08 | 2014-09-22 | Nippon Steel & Sumitomo Metal | Coke oven gas recovery method |
| CN204237809U (en) * | 2014-06-06 | 2015-04-01 | 甘肃酒钢集团宏兴钢铁股份有限公司 | The airtight cementer of a kind of blast furnace taphole passage |
| KR101500667B1 (en) * | 2014-08-28 | 2015-03-09 | 최정옥 | steel pipe grouting device and tunnel reinforcement andbarrier grouting method using this |
| CN209481554U (en) * | 2019-01-15 | 2019-10-11 | 新疆八一钢铁股份有限公司 | A kind of improved coke oven brick gas passage provisions for grouting |
| CN111363563A (en) * | 2020-03-18 | 2020-07-03 | 中国五冶集团有限公司 | Grouting sealing system and method for coke oven gas lower spray pipe brick gas channel full slurry method |
| CN211999560U (en) * | 2020-03-18 | 2020-11-24 | 中国五冶集团有限公司 | Coke oven gas lower spray pipe brick gas channel full slurry grouting sealing system |
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| Publication number | Publication date |
|---|---|
| CN115449380B (en) | 2024-01-26 |
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