CN103642506B - Continuous type coke furnace hot-state roof grouting system based on pressure balance of multiple group of delivery pipe - Google Patents
Continuous type coke furnace hot-state roof grouting system based on pressure balance of multiple group of delivery pipe Download PDFInfo
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- CN103642506B CN103642506B CN201310637366.5A CN201310637366A CN103642506B CN 103642506 B CN103642506 B CN 103642506B CN 201310637366 A CN201310637366 A CN 201310637366A CN 103642506 B CN103642506 B CN 103642506B
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Abstract
The invention relates to a continuous type coke furnace hot-state roof grouting system based on the pressure balance of multiple groups of delivery pipes. The continuous type coke furnace hot-state roof grouting system comprises an air compressor, a first slurry mixer, a first slurry delivery pump, a second slurry mixer, a second slurry delivery pump and a slurry pressure uniform distributor, wherein the air compressor is connected with the air inlet valve of the first slurry mixer through an air pipe; the slurry outlet of the first slurry mixer is connected with the water inlet of the second slurry mixer through the first slurry delivery pump; the slurry outlet of the second slurry mixer is connected with the slurry pipe inlet of the slurry pressure uniform distributor through the second slurry delivery pump; the first slurry output pipe, second slurry output pipe, third slurry output pipe and fourth slurry output pipe of the slurry pressure uniform distributor are respectively connected with respective grouting pipes. The continuous type coke furnace hot-state roof grouting system disclosed by the invention has the advantages of simple structure, scientificity and reasonability in design, lower cost, high production efficiency and good slurry property without pollution and effectively reduces the manual labor intensity.
Description
Technical field
The invention belongs to grouting system field, especially a kind of hot furnace roof grouting system of continous way coke oven based on many group line pressure balances.
Background technology
The hot furnace roof of coke oven and protecting sheet grouting are the important work of coke oven one, the combustion chamber of large-scale modernization coke oven is built by laying bricks or stones and is used material to be silica brick, the material that furnace roof region uses is clay brick, insulating brick, coke oven clinker tile etc., coke oven has been built by laying bricks or stones to baker by cold conditions and has been warming up to 600-800 DEG C, coke oven outwards expands along direction, combustion chamber, because silica brick swell increment is greater than other refractory brick, chamber temperature is also far above the temperature in furnace roof region, inevitable in furnace roof district generation multiple tracks longitudinal slit, for sealing these cracks, need when oven drying temperature meets the requirements of numerical value, fracture carries out grouting sealing, furnace roof grouting quality quality, directly have influence on the production of coke oven, environmental protection, energy-conservation, benefit.Oven top of coke oven good seal, in production process, heat lost by radiation is little, reveal the volatile matters such as coal gas few, energy-conserving and environment-protective requirement can be reached, otherwise because boiler roof sealing is bad, cause heat lost by radiation large, leakage volatile matter is many, coal gas may be there is in addition without the direct blowby of recovery system to firing system, cause that the chimney smokes, consequently waste energy, environmental protection is not up to standard, many siphunculus carrying method that existing grouting system many employings steel pipe is made, many siphunculus pipeline connects all employing right angles and connects, female pipe is different from take-off pipe position, its take-off pipe pressure is not etc., slurry transportation amount is not etc., and due to pipeline employing right angle connection, slurry transportation resistance is larger, and there is dead angle, easy generation blocking pipeline, when stirrer of the prior art carries out mud generation in addition, following problems may be encountered: 1, efficiency is low, labor strength is large, mechanization degree is low, 2, contaminate environment, especially when chamotte powder is also fully not soluble in water, under the effect of blade of stirrer, chamotte dust swings in air, polluted air, 3, mud property is poor, especially likely occurs there is certain position that large granular impurity is stuck in perfusion gap in mud, causes below this position cannot pour into the situation of mud, cause sealing effectiveness poor.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, there is provided a kind of hot furnace roof grouting system of continous way coke oven based on many group line pressure balances, this system architecture is simple, design science reasonable, cost is lower, efficiency is high, effectively reduce hand labor intensity, pollution-free, mud property good.
The present invention solves its technical problem and is achieved through the following technical solutions:
A kind of hot furnace roof grouting system of continous way coke oven based on many group line pressure balances, its grouting system comprises air compressor, first mud mixer, first slurry transportation pump, second mud mixer, second slurry transportation pump and mud pressure uniform distributor, air compressor connects the air intake valve of the first mud mixer by tracheae, the slurry outlet of the first mud mixer connects the water-in of the second mud mixer by the first slurry transportation pump, the slurry outlet of the second mud mixer connects the mud tube import of mud pressure uniform distributor by the second slurry transportation pump, first mud output tube of this mud pressure uniform distributor, second mud output tube, 3rd mud output tube, 4th mud output tube connects respective Grouting Pipe respectively,
Wherein mud pressure uniform distributor comprises mud tube import, mud tube refluxing opening, the first mud output tube, the second mud output tube, the 3rd mud output tube, the 4th mud output tube and fan-shaped distributor disk, mud tube import is arranged on the central angle end of fan-shaped distributor disk, mud tube refluxing opening is arranged on the arc end of fan-shaped distributor disk corresponding with mud tube import, wherein on the first mud output tube, the second mud output tube, the 3rd mud output tube and the uniform arc end being arranged on fan-shaped distributor disk of the 4th mud output tube;
First mud mixer is identical with the second mud mixer structure, include a mixing cylindrical shell, the uniform three porous gas blow pipes in bottom in this mixing cylindrical shell, the air intake valve of this porous gas blow pipe is arranged on outside the outer wall of mixing cylindrical shell side, a tensimeter is connected by a vertical duct in porous gas blow pipe air intake valve side, vertical duct connects a dead angle scavenging duct, slurry outlet is shaped with in mixing cylindrical shell bottom, mixing cylindrical shell above slurry outlet is shaped with water-in, bottom on the mixing cylindrical shell that slurry outlet is corresponding is shaped with slag-drip opening, the mixing cylindrical shell that water-in is corresponding is shaped with and loops back the mouth of a river,
What the mud tube refluxing opening of mud pressure uniform distributor connected the second mud mixer by pipeline loops back the mouth of a river.
And described mixing cylindrical shell is cube structure.
And described is provided with dredging valve relative to the other end of porous gas blow pipe air intake valve, and this dredging valve is arranged on outside mixing cylinder body outer wall.
And the uniform porous gas blow pipe level that is arranged on of the production well on described porous gas blow pipe rotates on the outer wall of 45 degree.
And the central angle of described fan-shaped distributor disk is 90 degree.
And, the first described mud output tube is provided with the first gate valve, the second mud output tube is provided with the second gate valve, the 3rd mud output tube is provided with the 3rd gate valve, the 4th mud output tube is provided with the 4th gate valve.
Advantage of the present invention and beneficial effect are:
1, this is based on the hot furnace roof grouting system of continous way coke oven of many group line pressure balances, its grouting system comprises air compressor, first mud mixer, first slurry transportation pump, second mud mixer, second slurry transportation pump and mud pressure uniform distributor, air compressor connects the air intake valve of the first mud mixer by tracheae, the slurry outlet of the first mud mixer connects the water-in of the second mud mixer by the first slurry transportation pump, the slurry outlet of the second mud mixer connects the mud tube import of mud pressure uniform distributor by the second slurry transportation pump, first mud output tube of this mud pressure uniform distributor, second mud output tube, 3rd mud output tube, 4th mud output tube connects respective Grouting Pipe respectively, structure of the present invention is simple, design science is reasonable, cost is lower, production efficiency is high, effective reduction hand labor intensity, pollution-free, mud property is good.
2, the first mud mixer in the present invention and the second mud mixer include a mixing cylindrical shell, the uniform three porous gas blow pipes in bottom in this mixing cylindrical shell, the air intake valve of this porous gas blow pipe is arranged on outside the outer wall of mixing cylindrical shell side, a tensimeter is connected by a vertical duct in porous gas blow pipe air intake valve side, vertical duct connects a dead angle scavenging duct, slurry outlet is shaped with in mixing cylindrical shell bottom, mixing cylindrical shell above slurry outlet is shaped with water-in, bottom on the mixing cylindrical shell that slurry outlet is corresponding is shaped with slag-drip opening, efficiency of the present invention is high, reduce hand labor intensity, pollution-free, mud property is good.
3, mud pressure uniform distributor in the present invention comprises mud tube import, mud tube refluxing opening, first mud output tube, second mud output tube, 3rd mud output tube, 4th mud output tube and fan-shaped distributor disk, mud tube import is arranged on the central angle end of fan-shaped distributor disk, mud tube refluxing opening is arranged on the arc end of fan-shaped distributor disk corresponding with mud tube import, wherein the first mud output tube, second mud output tube, on 3rd mud output tube and the uniform arc end being arranged on fan-shaped distributor disk of the 4th mud output tube, structure of the present invention is simple, without the design of conveying dead angle, drag uniform, pressure just as, not easily block.
4, the present invention utilizes pressurized air to provide power, and mud is with water sport and mix, and controls feeding sequence and first intakes at input chamotte powder, prevent chamotte powder from separating out and polluted air.The mud prepared precipitates slightly, utilize the law of buoyancy that macrobead thing sedimentation speed is fast, particulate matter is made to be deposited to bottom half, the mud of rejecting a part of particulate matter is pumped to a slush pump and pipeline the scene of building, convenient and swift pollution-free, return-flow structure design effectively can control the pressure exporting mud, convenient construction in addition, improves construction quality.
Accompanying drawing explanation
Fig. 1 is that system of the present invention connects block diagram;
Fig. 2 is the second mud mixer and mud pressure uniform distributor syndeton schematic diagram in the present invention;
Fig. 3 is that enlarged view is looked on the right side of the second mud mixer in Fig. 2;
Fig. 4 is the vertical view of Fig. 3.
Embodiment
Below by specific embodiment, the invention will be further described, and following examples are descriptive, is not determinate, can not limit protection scope of the present invention with this.
A kind of hot furnace roof grouting system of continous way coke oven based on many group line pressure balances, its grouting system comprises air compressor 1, first mud mixer 2, first slurry transportation pump 3, second mud mixer 4, second slurry transportation pump 5 and mud pressure uniform distributor 6, air compressor connects the air intake valve of the first mud mixer by tracheae, the slurry outlet of the first mud mixer connects the water-in of the second mud mixer by the first slurry transportation pump, the slurry outlet of the second mud mixer connects the mud tube import of mud pressure uniform distributor by the second slurry transportation pump and pipeline 19, first mud output tube of this mud pressure uniform distributor, second mud output tube, 3rd mud output tube, 4th mud output tube connects respective Grouting Pipe 7 respectively,
Wherein mud pressure uniform distributor comprises mud tube import 14, mud tube refluxing opening 13, first mud output tube 8, second mud output tube 10, the 3rd mud output tube 15, the 4th mud output tube 18 and fan-shaped distributor disk 12, mud tube import is arranged on the central angle end of fan-shaped distributor disk, mud tube refluxing opening is arranged on the arc end of fan-shaped distributor disk corresponding with mud tube import, wherein on the first mud output tube, the second mud output tube, the 3rd mud output tube and the uniform arc end being arranged on fan-shaped distributor disk of the 4th mud output tube; The central angle of fan-shaped distributor disk is 90 degree.First mud output tube is provided with the first gate valve 9, second mud output tube is provided with the second gate valve the 11, three mud output tube is provided with on the 3rd gate valve the 16, four mud output tube and is provided with the 4th gate valve 17.
First mud mixer is identical with the second mud mixer structure, include a mixing cylindrical shell 22, mixing cylindrical shell is cube structure, the uniform three porous gas blow pipes 32 in bottom in this mixing cylindrical shell, the uniform porous gas blow pipe level that is arranged on of the production well 33 on porous gas blow pipe rotates on the outer wall of 45 degree.The air intake valve 34 of this porous gas blow pipe is arranged on outside the outer wall of mixing cylindrical shell side, these three porous gas blow pipes connect air intake valve by a transverse tube 23, the other end of porous gas blow pipe air intake valve is provided with dredging valve 31, and this dredging valve is arranged on outside mixing cylinder body outer wall.A tensimeter 28 is connected by a vertical duct 24 in porous gas blow pipe air intake valve side, this tensimeter is connected with tensimeter control valve 27, vertical duct connects a dead angle scavenging duct 30, this dead angle scavenging duct is connected with gas blow pipe by-pass valve control 29, slurry outlet 21 is shaped with in mixing cylindrical shell bottom, mixing cylindrical shell above slurry outlet is shaped with water-in 20, bottom on the mixing cylindrical shell that slurry outlet is corresponding is shaped with slag-drip opening 26, the mixing cylindrical shell that water-in is corresponding is shaped with and loops back the mouth of a river 25;
What the mud tube refluxing opening of mud pressure uniform distributor connected the second mud mixer by pipeline loops back the mouth of a river.
First the present invention adds water in mixing cylindrical shell in use, and amount of water and chamotte usage quantity are determined by design set-point or experiment, and whether the mud be stirred is meeting the requirements detecting with Density Measuring Instrument.Scale marks is set at mixing cylinder inboard wall, to use during normal work.After adding water, direct booster air pump is by air intake valve air inlet, and object is for preventing chamotte from blocking porous gas blow pipe or production well, if there is pipeline or valve stopping state, can opening the dredging valve of porous gas blow pipe end, disclose logical with steel wire.Chamotte is poured in case after adding the water, its objective is and allows chamotte to soak eventually and awash, prevent chamotte powder contamination air to beginning.Mud mixing pressurized air is blown into water from the production well of mixing cylinder body bottom, relies on pressurized air self kinetic energy and the buoyancy in water, drives water and chamotte motion, mixes, make water and the abundant mix of chamotte, reach the object of mud mixing.The good pressure of mixing process need Valve controlling, pressure is excessive, causes mud to spray outside mixing cylindrical shell, there will be entrained air chamotte powder simultaneously and enter polluted air in air, pressure is too small, and mix is insufficient, duration of mixing is long, and efficiency is low, and blocking tracheae easily occurs.Wait for death angular position in mixing cylindrical shell bight and bottom, with the manual air blowing treatment of dead angle scavenging duct.The mud that mixing is good stagnates certain hour, utilizes law of buoyancy, and macrobead sedimentation speed is fast, starts slush pump and send from slurry outlet after macrobead precipitation.The timing of mixing cylinder body bottom sediment is opened slag-discharging valve and is got rid of outside mixing cylindrical shell, satisfactory mud enters mud pressure uniform distributor from slurry outlet by slush pump, slip casting position is assigned to by mud output tube, grouting pressure size can be regulated by the variable valve that the mouth of a river is arranged that loops back of mud mixer, to make each slurry pipeline output pressure be consistent, effectively control pouring quality.
Claims (6)
1. the hot furnace roof grouting system of continous way coke oven based on many group line pressure balances, it is characterized in that: this grouting system comprises air compressor, first mud mixer, first slurry transportation pump, second mud mixer, second slurry transportation pump and mud pressure uniform distributor, air compressor connects the air intake valve of the first mud mixer by tracheae, the slurry outlet of the first mud mixer connects the water-in of the second mud mixer by the first slurry transportation pump, the slurry outlet of the second mud mixer connects the mud tube import of mud pressure uniform distributor by the second slurry transportation pump, first mud output tube of this mud pressure uniform distributor, second mud output tube, 3rd mud output tube, 4th mud output tube connects respective Grouting Pipe respectively,
Wherein mud pressure uniform distributor comprises mud tube import, mud tube refluxing opening, the first mud output tube, the second mud output tube, the 3rd mud output tube, the 4th mud output tube and fan-shaped distributor disk, mud tube import is arranged on the central angle end of fan-shaped distributor disk, mud tube refluxing opening is arranged on the arc end of fan-shaped distributor disk corresponding with mud tube import, wherein on the first mud output tube, the second mud output tube, the 3rd mud output tube and the uniform arc end being arranged on fan-shaped distributor disk of the 4th mud output tube;
First mud mixer is identical with the second mud mixer structure, include a mixing cylindrical shell, the uniform three porous gas blow pipes in bottom in this mixing cylindrical shell, the air intake valve of this porous gas blow pipe is arranged on outside the outer wall of mixing cylindrical shell side, a tensimeter is connected by a vertical duct in porous gas blow pipe air intake valve side, vertical duct connects a dead angle scavenging duct, slurry outlet is shaped with in mixing cylindrical shell bottom, mixing cylindrical shell above slurry outlet is shaped with water-in, bottom on the mixing cylindrical shell that slurry outlet is corresponding is shaped with slag-drip opening, the mixing cylindrical shell that water-in is corresponding is shaped with and loops back the mouth of a river,
What the mud tube refluxing opening of mud pressure uniform distributor connected the second mud mixer by pipeline loops back the mouth of a river.
2. the hot furnace roof grouting system of continous way coke oven based on many group line pressure balances according to claim 1, is characterized in that: described mixing cylindrical shell is cube structure.
3. the hot furnace roof grouting system of continous way coke oven based on many group line pressure balances according to claim 1, it is characterized in that: the opposite side of described porous gas blow pipe air intake valve is provided with dredging valve, and this dredging valve is arranged on outside mixing cylinder body outer wall.
4. the hot furnace roof grouting system of continous way coke oven based on many group line pressure balances according to claim 1, is characterized in that: the uniform porous gas blow pipe level that is arranged on of the production well on described porous gas blow pipe rotates on the outer wall of 45 degree.
5. the hot furnace roof grouting system of continous way coke oven based on many group line pressure balances according to claim 1, is characterized in that: the central angle of described fan-shaped distributor disk is 90 degree.
6. the hot furnace roof grouting system of continous way coke oven based on many group line pressure balances according to claim 1, it is characterized in that: the first described mud output tube is provided with the first gate valve, second mud output tube is provided with the second gate valve, 3rd mud output tube is provided with the 3rd gate valve, the 4th mud output tube is provided with the 4th gate valve.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310637366.5A CN103642506B (en) | 2013-11-29 | 2013-11-29 | Continuous type coke furnace hot-state roof grouting system based on pressure balance of multiple group of delivery pipe |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310637366.5A CN103642506B (en) | 2013-11-29 | 2013-11-29 | Continuous type coke furnace hot-state roof grouting system based on pressure balance of multiple group of delivery pipe |
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| CN103642506B true CN103642506B (en) | 2015-01-28 |
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| DE10153651C1 (en) * | 2001-11-02 | 2003-05-28 | Thyssen Krupp Encoke Gmbh | Method and device for casting the annular gap between the fill hole cover and fill hole frame on a coke oven |
| CN100491637C (en) * | 2007-07-13 | 2009-05-27 | 中铁十二局集团有限公司 | Concrete broken plate repair grouting device and method thereof |
| CN201443355U (en) * | 2009-06-23 | 2010-04-28 | 吕光 | Automatic-control mine ground grout injection system |
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