CN115449380B - Grouting device and method for brick gas channel - Google Patents
Grouting device and method for brick gas channel Download PDFInfo
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- CN115449380B CN115449380B CN202211111130.3A CN202211111130A CN115449380B CN 115449380 B CN115449380 B CN 115449380B CN 202211111130 A CN202211111130 A CN 202211111130A CN 115449380 B CN115449380 B CN 115449380B
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- grouting
- brick
- slurry
- gas channel
- communicating vessel
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- 239000011449 brick Substances 0.000 title claims abstract description 85
- 238000000034 method Methods 0.000 title claims abstract description 25
- 239000002002 slurry Substances 0.000 claims abstract description 63
- 238000010438 heat treatment Methods 0.000 claims abstract description 16
- 238000011084 recovery Methods 0.000 claims description 16
- 238000004064 recycling Methods 0.000 claims description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 5
- 229910002804 graphite Inorganic materials 0.000 claims description 5
- 239000010439 graphite Substances 0.000 claims description 5
- 239000003245 coal Substances 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 239000003034 coal gas Substances 0.000 abstract description 8
- 239000000571 coke Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 7
- 210000001503 joint Anatomy 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000004939 coking Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 241001408630 Chloroclystis Species 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010276 construction Methods 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
- 230000000630 rising effect Effects 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 channel, which relates to the technical field of brick gas channels, and comprises the steps of using a guniting grouting pump consisting of a gas channel pipe and a slurry pipe, adopting a communicating vessel for grouting to treat a leakage furnace number, and connecting the grouting pump to the communicating vessel for grouting into the communicating vessel; the grouting repairing brick gas channel of the communicating vessel can freely control the height of slurry, and the slurry can not rush out of the lamp cap brick when reaching the leakage point. The invention also provides a grouting device for the brick gas channel. The invention well treats the phenomena of brick coal gas channel blowby, greatly reduces the temperature of a small flue, reduces the consumption of heating coal gas of a coke oven, has good treatment effect, is not easy to block up a vertical flame path, a lamp cap brick and a bevel port, and does not influence the normal heating of the coke oven; the service cycle time is long after treatment, and secondary blowby sites are not easy to occur.
Description
Technical Field
The invention relates to the technical field of brick gas channels, in particular to a grouting device and a grouting method for a brick gas channel.
Background
Blowby and blockage of the brick coal gas flue will seriously affect coke oven heating. The leakage of the brick coal air flue is mostly caused by the reasons of incomplete slurry during the construction, cracking caused by furnace temperature fluctuation during the baking, reversing and detonating during the production, and the like.
When long-term blowby is not treated, the temperature of the flame path is not increased, combustion can be caused in the brick gas path due to contact of gas and air blowby in the middle, so that pugs and bricks are sintered, a coal gas path is blocked by forming tumors, and the gas path is blocked by graphite formed by cracking coke oven gas at high temperature due to poor carbon removal. The existing blowby treatment technology is wiping and repairing treatment, cannot accurately position and treat, has poor treatment effect, and particularly cannot treat high-point blowby points.
Therefore, in order to treat the leakage phenomenon of the brick gas flue, the accurate positioning treatment can be realized, and particularly, the leakage point at the high position can be radically treated, and a brick gas flue grouting device and a brick gas flue grouting method are provided by a person skilled in the art so as to solve the technical problems in the background.
Disclosure of Invention
The invention aims to provide a grouting device and method for a brick gas channel, which are used for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the invention provides a grouting device for a brick gas channel, which mainly comprises a guniting filling pump, wherein the structure of the grouting device consists of a gas channel pipe and a slurry pipe;
the grouting device also comprises a communicating vessel and a reflow gun, wherein the communicating vessel and the reflow gun are arranged on the lower nozzle of the brick gas channel, and the grouting pump is connected to the communicating vessel and is responsible for grouting into the communicating vessel;
the device also comprises a recovery device for recovering the slurry, wherein the overflow pipe of the reflow gun is fixed to the recovery device, and when the slurry overflows from the overflow port of the reflow gun, the overflowed slurry is recovered by the recovery device.
Preferably, the gas path pipe is additionally provided with a gas path pressure reducing valve.
Preferably, the recovery device is an overflow container, and the overflow container is in butt joint with the overflow port of the reflow gun.
The invention provides a brick gas channel grouting method, which uses a brick gas channel grouting device, and comprises a gunning grouting pump, a communicating vessel and a reflow gun, wherein the grouting pump and the communicating vessel are used for grouting to treat a leakage furnace number, and the grouting pump is connected with the communicating vessel to perform grouting in the communicating vessel; the grouting repairing brick gas channel of the communicating vessel can freely control the height of slurry, and the slurry can not rush out of the lamp cap brick when reaching the 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 the leakage point, and determining the position of an overflow port;
s2, preparing pug and filtering for later use;
s3, cleaning a brick coal air passage;
s4, grouting;
s5, recovering the heating gas pipeline.
Preferably, the S3 is that when the brick gas channel is in descending air flow, the cock is closed, the plug is opened, the large cover of the lower spray pipe is detached, and sundries and graphite in the brick gas channel are cleaned.
Preferably, the S4 is to install the communicating vessel and the reflow gun to the brick gas channel lower spray pipe, fix the overflow pipe to the recovery device, then start the grouting pump to slowly grouting the communicating vessel, and stop grouting when the overflow port of the reflow gun overflows with slurry.
Preferably, the step S4 is to perform grouting when the pressure reaches 0.1Mpa, slowly rising the slurry along the brick gas channel to fill the brick joints, overflowing the slurry into the slurry recycling device to recycle the slurry when the slurry reaches a certain height, and cleaning the brick gas channel to complete grouting.
Preferably, the S4, the recycling device for recycling slurry is preferably an overflow container, and the overflow container is abutted with the overflow port of the reflow gun;
grouting is carried out when the pressure reaches 0.1Mpa, slurry slowly rises along the brick gas channel to fill the brick joints, and 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 completed.
Preferably, the step S5 is that the grouting is stopped, the slurry returning is started about 20 seconds later, and the redundant mud materials in the brick coal gas flue are cleaned after the slurry returning; and (5) removing the grouting device, connecting the heating gas pipeline, opening the cock, and recovering the heating.
Compared with the prior art, the invention has the beneficial effects that: the grouting device and the grouting method for the brick gas channel can accurately position and treat the brick gas channel blowby, particularly can radically cure the blowby point at the high position, and remarkably treat the brick gas channel blowby phenomenon;
the grouting method greatly reduces the temperature of the small flue, reduces the average temperature of the small flue by 50 ℃, reduces the consumption of heating gas of a coke oven, and reduces the consumption of coking gas by 2 cubic meters;
the treatment effect is good, the vertical flame path, the lamp cap bricks and the inclined port are not easy to be blocked, and the normal heating of the coke oven is not affected; the service cycle time is long after treatment, and secondary blowby sites are not easy to occur.
Detailed Description
The technical scheme of the patent is further described in detail below with reference to the specific embodiments.
The invention provides a grouting device and a grouting method for a brick gas channel, which use a guniting grouting pump, consists of a gas channel pipe and a slurry pipe, adopts a communicating vessel for grouting to treat a leakage furnace number, and is connected with the communicating vessel for grouting into the communicating vessel; the grouting repairing brick gas channel of the communicating vessel can freely control the height of slurry, and the slurry can not rush out of the lamp cap brick when reaching the 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, determine the height of the blowby point, and determine the position of the overflow port.
S2, preparing pug and filtering for later use;
s3, cleaning a brick coal air passage;
in the step, when the brick gas channel is in the descending air flow, the cock is closed, the plug is opened, the large cover of the lower spray pipe is detached, and sundries and graphite in the brick gas channel are cleaned.
S4, grouting;
in the step, the concrete operation of the grouting link is that a communicating vessel and a backflow gun are installed on a lower spray pipe of a brick gas channel, an overflow pipe is fixed on a recovery device, then a grouting pump is started to slowly grouting the communicating vessel, and when slurry overflows from an overflow port of the backflow gun, grouting is stopped.
Preferably, grouting is carried out when the pressure reaches 0.1Mpa, slurry slowly rises along the brick gas channel to fill up brick joints, and the slurry overflows into a slurry recovery device to be recovered when the slurry reaches a certain height, and then the brick gas channel is cleaned to finish grouting.
S5, heating the gas pipeline;
in the step, preferably, the back slurry is started about 20 seconds after the grouting is stopped, and the redundant mud materials in the brick coal gas flue are cleaned after the back slurry; and (5) removing the grouting device, connecting the heating gas pipeline, opening the cock, and recovering the heating.
In the grouting method of the brick gas channel, in order to obtain the best grouting effect and perform the most effective recovery on overflow slurry in a grouting link, the better operation is that grouting is performed when the pressure reaches 0.1Mpa, slurry slowly rises along the brick gas channel and fills brick gaps, and the slurry overflows into a slurry recovery device when the height reaches 2.3 meters, so that the overflow slurry is recovered to the greatest extent by the slurry recovery device and is convenient to reuse; and cleaning the brick gas channel to finish grouting.
By adopting the grouting method for the brick gas channel, the blowby in the brick gas channel can be accurately treated at fixed points; the treatment effect is good, the vertical flame path, the lamp cap bricks and the inclined port are not easy to be blocked, and the normal heating of the coke oven is not affected; the service cycle time is long after treatment, and secondary blowby sites are not easy to occur; the temperature of the small flue is reduced, and the consumption of heating gas of the coke oven is reduced.
The invention also relates to a brick gas channel grouting device, which mainly comprises a guniting filling pump, wherein the structure of the guniting filling pump consists of a gas channel pipe and a slurry pipe, and a gas channel pressure reducing valve is additionally arranged on the gas channel pipe;
the grouting device also comprises a communicating vessel and a reflow gun, wherein the communicating vessel and the reflow gun are arranged on the lower nozzle of the brick gas channel, and the grouting pump is connected to the communicating vessel and is responsible for grouting into the communicating vessel;
the recycling device is used for recycling the slurry, the overflow pipe of the reflow gun is fixed to the recycling device, and when the slurry overflows from the overflow port of the reflow gun, the overflowed slurry is recycled by the recycling device and is convenient to recycle.
In the tile gas grouting device of the present invention, the recycling device for recycling slurry may preferably be an overflow container, which is abutted against the overflow port of the reflow gun for recycling overflow slurry.
By adopting the grouting device for the brick gas channel, grouting is performed when the pressure reaches 0.1Mpa, slurry slowly rises along the brick gas channel to fill brick joints, and 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 completed.
According to the grouting device and method for the brick gas channel, the communicating vessel is used for grouting to treat the number of the leakage furnace, after treatment, the gas in each combustion chamber has good combustion condition, and the brick mouth of the lamp cap is clean and free of graphite. 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 coking coal gas per ton is reduced by 2 cubic meters; the temperature of each high-temperature furnace number is recovered to a normal value during measurement, the temperature of the treated small flue high-temperature furnace number is controlled below 450 ℃, the height of slurry can be freely controlled by grouting a communicating vessel to repair a brick coal gas passage, and the slurry is ensured to reach a leakage point without worrying about flushing out a lamp cap brick. Compared with other brick gas channel blowby repairing methods, the method has the advantages of good blowby repairing effect, less equipment, no 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: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.
Claims (4)
1. The grouting method using the brick gas channel grouting device is characterized in that the brick gas channel grouting device comprises a guniting filling pump, and the structure of the guniting filling pump consists of a gas channel pipe and a slurry pipe; the grouting device comprises a brick gas channel, a grouting pump, a connecting device, a backflow gun and a water pump, wherein the brick gas channel is provided with a brick gas channel lower spray pipe; the device also comprises a recovery device for recovering the slurry, wherein a return gun overflow pipe is fixed to the recovery device, and when the slurry overflows from a return gun overflow port, the overflowed slurry is recovered by the recovery device; the gas path pipe is additionally provided with a gas path pressure reducing valve;
the filling method comprises the following steps: grouting the leakage furnace number by adopting a grouting pump and a communicating vessel, and connecting the grouting pump to the communicating vessel to grouting the inside of the communicating vessel; the grouting repairing brick gas channel of the communicating vessel can freely control the height of slurry, and the slurry can not rush out of the lamp cap brick when reaching the leakage point;
the method specifically comprises the following steps:
s1, determining an overflow port; checking the number of the leakage furnace, judging the height of the leakage point, and determining the position of an overflow port;
s2, preparing pug and filtering for later use;
s3, cleaning a brick coal air passage;
s4, a grouting link, namely mounting the communicating vessel and the backflow gun to a lower spray pipe of the brick gas channel, fixing an overflow pipe of the backflow gun to a recovery device, then starting a grouting pump to slowly grouting the communicating vessel, and stopping grouting when slurry overflows from an overflow port of the backflow gun; specifically, grouting is carried out when the pressure reaches 0.1Mpa, slurry slowly rises along the brick gas channel to fill up brick joints, the slurry overflows into a slurry recovery device for recovery when reaching a certain height, and then the brick gas channel is cleaned to finish grouting; s5, recovering the heating gas pipeline.
2. The grouting method using the tile gas tunnel grouting device according to claim 1, wherein the step S3 is to close the cock, open the plug, remove the large cover of the lower nozzle and clean up impurities and graphite in the tile gas tunnel when the tile gas tunnel is in downdraft.
3. The grouting method using a tile gas tunnel grouting apparatus according to claim 1, wherein the recycling means for recycling slurry is preferably an overflow vessel which is butted with the overflow port of the reflow gun;
grouting is carried out when the pressure reaches 0.1Mpa, slurry slowly rises along the brick gas channel to fill the brick joints, and 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 completed.
4. The grouting method using the tile gas tunnel grouting apparatus according to claim 1, wherein the back grouting is started about 20 seconds after the grouting is stopped, and the surplus mud in the tile gas tunnel is cleaned after the back grouting; and (5) removing the grouting device, connecting the heating gas pipeline, opening the cock, and recovering the 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 CN115449380A (en) | 2022-12-09 |
| CN115449380B true CN115449380B (en) | 2024-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211111130.3A Active CN115449380B (en) | 2022-09-13 | 2022-09-13 | Grouting device and method for brick gas channel |
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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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| CN115449380A (en) | 2022-12-09 |
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