CN113356888A - Intelligent grouting station for underground coal mine - Google Patents
Intelligent grouting station for underground coal mine Download PDFInfo
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- CN113356888A CN113356888A CN202110790598.9A CN202110790598A CN113356888A CN 113356888 A CN113356888 A CN 113356888A CN 202110790598 A CN202110790598 A CN 202110790598A CN 113356888 A CN113356888 A CN 113356888A
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- pulping
- speed
- slurry
- dry powder
- grouting
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
- B28C5/0806—Details; Accessories
- B28C5/0831—Drives or drive systems, e.g. toothed racks, winches
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
- B28C5/10—Mixing in containers not actuated to effect the mixing
- B28C5/12—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers
- B28C5/16—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers the stirrers having motion about a vertical or steeply inclined axis
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/04—Supplying or proportioning the ingredients
- B28C7/0404—Proportioning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/04—Supplying or proportioning the ingredients
- B28C7/0481—Plant for proportioning, supplying or batching
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/04—Supplying or proportioning the ingredients
- B28C7/06—Supplying the solid ingredients, e.g. by means of endless conveyors or jigging conveyors
- B28C7/10—Supplying the solid ingredients, e.g. by means of endless conveyors or jigging conveyors by means of rotary members, e.g. inclinable screws
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/04—Supplying or proportioning the ingredients
- B28C7/12—Supplying or proportioning liquid ingredients
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/04—Supplying or proportioning the ingredients
- B28C7/12—Supplying or proportioning liquid ingredients
- B28C7/126—Supply means, e.g. nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C9/00—General arrangement or layout of plant
- B28C9/02—General arrangement or layout of plant for producing mixtures of clay or cement with other materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/08—Screw or rotary spiral conveyors for fluent solid materials
- B65G33/14—Screw or rotary spiral conveyors for fluent solid materials comprising a screw or screws enclosed in a tubular housing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/24—Details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/52—Devices for transferring articles or materials between conveyors i.e. discharging or feeding devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/32—Filling devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/34—Emptying devices
- B65G65/40—Devices for emptying otherwise than from the top
- B65G65/46—Devices for emptying otherwise than from the top using screw conveyors
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The invention discloses an intelligent grouting station for underground coal mines, which comprises a mine explosion-proof control cabinet, a dry powder spiral conveying system, a pulping system, a slurry storage system and a grouting system, wherein the mine explosion-proof control cabinet, the dry powder spiral conveying system, the pulping system, the slurry storage system and the grouting system are arranged in a straight line shape, the dry powder spiral conveying system is communicated with the pulping system and conveys dry powder into the pulping system, the pulping system is communicated with the slurry storage system and conveys finished slurry into the slurry storage system, the grouting system is communicated with the slurry storage system and sucks and injects the slurry into a working face, and the dry powder spiral conveying system, the pulping system, the slurry storage system and the grouting system are all electrically connected with the mine explosion-proof control cabinet. By arranging the intelligent measuring system and the electric control system, the automatic degree is high, the prepared slurry is accurate in proportioning, the quality of the slurry is better, the preparation speed is high, the manual operation is reduced, the labor intensity of workers is reduced, and the working efficiency is improved; the whole machine is in modular design, and is more convenient for assembly and transportation in narrow environment.
Description
Technical Field
The invention relates to the technical field of automatic pulping, in particular to an intelligent grouting station for underground coal mines.
Background
At present, pulping on a mine is generally used in China, additives are added for barrel type manual stirring after the additives are conveyed to the mine, and the original mode of barrel type manual stirring under the mine faces the problems of high labor intensity, difficult control of water-cement ratio, discontinuous pulping and the like. Along with the popularization of grouting technology, in order to meet the requirements of grouting technology and the gradual increase of discharge capacity of a grouting pump, intelligent pulping equipment with the characteristics of high automation degree of pulping and slurry storage, high efficiency, manual strength reduction, high pulping speed, uniform slurry stirring and the like is urgently needed in the market.
Disclosure of Invention
The invention aims to provide an intelligent grouting station for underground coal mines, which solves the problems of low underground manual bucket type mixing and stirring efficiency, high manual strength and uncontrollable slurry quality.
In order to solve the technical problems, the invention adopts the following technical scheme:
the invention discloses an intelligent grouting station for underground coal mines, which comprises a mine explosion-proof control cabinet, a dry powder spiral conveying system, a pulping system, a pulp storage system and a grouting system, wherein the mine explosion-proof control cabinet, the dry powder spiral conveying system, the pulping system, the pulp storage system and the grouting system are arranged in a straight line shape, the dry powder spiral conveying system is communicated with the pulping system and conveys dry powder into the pulping system, the pulping system is communicated with the pulp storage system and conveys finished pulp into the pulp storage system, the grouting system is communicated with the pulp storage system and sucks and injects pulp into a working face, and the dry powder spiral conveying system, the pulping system, the pulp storage system and the grouting system are all electrically connected with the mine explosion-proof control cabinet.
Further, the slurrying system includes the high-speed pulper of first high-speed pulper and the high-speed pulper of second that arrange side by side, first high-speed pulper with one side of the high-speed pulper of second is provided with into thick liquid pipeline, it is provided with relief pressure valve and electromagnetic flowmeter on the thick liquid pipeline to advance, advance thick liquid pipeline on with the intercommunication department of first high-speed pulper with the high-speed pulper of second is provided with ninth electric butterfly valve and eighth electric butterfly valve respectively, the thick liquid mouth of row of first high-speed pulper with the high-speed pulper of second is established ties through arranging thick liquid high-pressure hose, arrange thick liquid high-pressure hose's the other end through arranging thick liquid pipeline with store up thick liquid system intercommunication, first high-speed pulper with the bottom of the high-speed pulper of second is provided with first weighing module and second weighing module respectively, first weighing module with the below of second weighing module is provided with first bottom support and second bottom support respectively, the lower part of the slurry inlet pipeline is provided with a first slurry inlet pipeline support and a second slurry inlet pipeline support, and the bottom ends of the first slurry inlet pipeline support and the second slurry inlet pipeline support are fixed on the second bottom support.
Still further, a return pipeline is connected to a pipeline between the pressure reducing valve and the electromagnetic flowmeter, and a seventh electric butterfly valve is arranged on the return pipeline.
Still further, a third electric butterfly valve is arranged on a slurry circulating pipeline of the first high-speed pulping machine, and a fourth electric butterfly valve is arranged at a slurry discharge port of the first high-speed pulping machine; and a fifth electric butterfly valve is arranged on a slurry circulating pipeline of the second high-speed pulping machine, and a sixth electric butterfly valve is arranged at a slurry discharge port of the second high-speed pulping machine.
Still further, store up thick liquid system including storing up the thick liquid jar, the bottom of storing up the thick liquid jar is provided with stores up thick liquid jar bottom support, the inside of storing up the thick liquid jar is provided with inhales the dressing trough, first agitator motor and second agitator motor are installed on the upper portion of storing up the thick liquid jar, first agitator motor with all be connected with the speed reducer on the output shaft of second agitator motor, the speed reducer is installed on the channel-section steel support, the working end of speed reducer is connected with the (mixing) shaft, the even welding in the outside of (mixing) shaft has a plurality of stirring vane, the upper portion of storing up the thick liquid jar still is provided with level sensor.
Still further, dry powder spiral delivery system includes dry powder storage tank, first screw conveyer, second screw conveyer and third screw conveyer, first screw conveyer sets up the below of dry powder storage tank, second screw conveyer connects perpendicularly one side of first screw conveyer, third screw conveyer connects perpendicularly the top of second screw conveyer, third screw conveyer's bottom is provided with two delivery outlets, two delivery outlet respectively with first high-speed pulping machine with the high-speed pulping machine intercommunication of second.
Still further, a first electric butterfly valve is arranged at the conveying outlet communicated with the first high-speed pulping machine, and a second electric butterfly valve is arranged at the conveying outlet communicated with the second high-speed pulping machine.
Still further, a dry powder storage tank bottom support is arranged below the dry powder storage tank, a first supporting rod and a second supporting rod are arranged below the third screw conveyor, and the bottom ends of the first supporting rod and the second supporting rod are fixed on the first bottom support.
Still further, slip casting system includes the grouting pump, the grouting pump with inhale thick liquid groove intercommunication.
Still further, the number of the grouting pumps is set to be two.
Compared with the prior art, the invention has the beneficial technical effects that:
the invention relates to an intelligent grouting station for underground coal mines, which comprises a mine explosion-proof control cabinet, a dry powder spiral conveying system, a pulping system, a slurry storage system and a grouting system, wherein the mine explosion-proof control cabinet, the dry powder spiral conveying system, the pulping system, the slurry storage system and the grouting system are arranged in a straight line shape; according to the invention, after 3 media pass through an intelligent pulping station, the intelligent pulping station is controlled by a PLC (programmable logic controller), cement dry powder is automatically proportioned through automatic measurement and calculation, finished slurry is prepared by a high-speed pulping machine and then is conveyed into a slurry storage tank, and then the slurry is injected into a working surface by a grouting system; according to the invention, through the intelligent measurement system and the electric control system, the prepared slurry is accurate in proportioning, the quality of the slurry is better, the preparation speed is high, the automation degree is high, the manual operation is reduced, and the efficiency is higher; the whole machine is in modular design, and is more convenient for assembly and transportation in narrow environment.
Drawings
The invention is further illustrated in the following description with reference to the drawings.
FIG. 1 is a schematic structural view of an intelligent grouting station for underground coal mine according to the invention;
FIG. 2 is a schematic view of a stirring structure according to the present invention;
description of reference numerals: 1. a mining explosion-proof control cabinet; 2. a dry powder screw conveying system; 3. a dry powder storage tank; 4. a first screw conveyor; 5. a dry powder storage tank bottom support; 6. a second screw conveyor; 7. a third screw conveyor; 8. a first electric butterfly valve; 9. a second electric butterfly valve; 10. a first support bar; 11. a second support bar; 12. a first high-speed pulper; 13. a second high-speed pulper; 14. a first bottom bracket; 15. a second bottom bracket; 16. a first weighing module; 17. a second weighing module; 18. a third electric butterfly valve; 19. a fourth electric butterfly valve; 20. a fifth electric butterfly valve; 21. a sixth electric butterfly valve; 22. a slurry inlet pipeline; 23. a pressure reducing valve; 24. a seventh electric butterfly valve; 25. an electromagnetic flow meter; 26. an eighth electric butterfly valve; 27. a ninth electric butterfly valve; 28. a slurry discharge high-pressure hose; 29. a slurry discharge pipeline; 30. a first slurry inlet pipeline bracket; 31. a second slurry inlet pipeline bracket; 32. a slurry storage tank; 33. a bracket at the bottom of the slurry storage tank; 34. a first stirring motor; 35. a second stirring motor; 36. a liquid level sensor; 37. a pulp suction groove; 38. grouting pump; 39. a return line; 40. a speed reducer; 41. a stirring shaft; 42. a stirring blade; 43. a channel steel bracket.
Detailed Description
As shown in fig. 1-2, an intelligent grouting station for underground coal mine comprises a mine explosion-proof control cabinet 1, a dry powder spiral conveying system 2, a pulping system, a slurry storage system and a grouting system, wherein the mine explosion-proof control cabinet 1, the dry powder spiral conveying system 2, the pulping system, the slurry storage system and the grouting system are arranged in a straight line shape, the dry powder spiral conveying system 2 is communicated with the pulping system and conveys dry powder into the pulping system, the pulping system is communicated with the slurry storage system and conveys finished slurry into the slurry storage system, the grouting system is communicated with the slurry storage system and sucks and injects slurry into a working surface, and the dry powder spiral conveying system 2, the pulping system, the slurry storage system and the grouting system are all electrically connected with the mine explosion-proof control cabinet 1; according to the invention, after 3 media pass through an intelligent pulping station, the intelligent pulping station is controlled by a PLC (programmable logic controller), cement dry powder is automatically proportioned through automatic measurement and calculation, finished slurry is prepared by a high-speed pulping machine and then is conveyed into a slurry storage tank, and then the slurry is injected into a working surface by a grouting system; according to the invention, through the intelligent measurement system and the electric control system, the prepared slurry is accurate in proportioning, the quality of the slurry is better, the preparation speed is high, the automation degree is high, the manual operation is reduced, and the efficiency is higher; complete machine modularized design, mining explosion-proof control cabinet 1, dry powder spiral delivery system 2, slurrying system, store up thick liquid system and slip casting system and be the style of calligraphy and arrange, the narrow environment equipment and the transportation of being more convenient for.
Specifically, the pulping system comprises a first high-speed pulping machine 12 and a second high-speed pulping machine 13 which are arranged in parallel, a pulp inlet pipeline 22 is arranged on one side of the first high-speed pulping machine 12 and one side of the second high-speed pulping machine 13, a pressure reducing valve 23 and an electromagnetic flow meter 25 are arranged on the pulp inlet pipeline 22, a ninth electric butterfly valve 27 and an eighth electric butterfly valve 26 are respectively arranged at the communication position of the pulp inlet pipeline 22 and the first high-speed pulping machine 12 and the second high-speed pulping machine 13, pulp discharge ports of the first high-speed pulping machine 12 and the second high-speed pulping machine 13 are connected in series through a pulp discharge high-pressure hose 28, the other end of the pulp discharge high-pressure hose 28 is communicated with the pulp storage system through a pulp discharge pipeline 29, a first weighing module 16 and a second weighing module 17 are respectively arranged at the bottoms of the first high-speed pulping machine 12 and the second high-speed pulping machine 13, a first bottom support 14 and a second bottom support 15 are respectively arranged below the first weighing module 16 and the second weighing module 17, a first slurry inlet pipeline support 30 and a second slurry inlet pipeline support 31 are arranged below the slurry inlet pipeline 22, and the bottom ends of the first slurry inlet pipeline support 30 and the second slurry inlet pipeline support 31 are fixed on the second bottom support 15; the first high-speed pulper 12 and the second high-speed pulper 13 can work simultaneously or independently, can be selected according to needs, and have strong adaptability; the quality of actually conveying the slurry/water and the dry powder can be judged through the first weighing module 16 and the second weighing module 17, the corresponding stop of conveying the electric butterfly valve is controlled, the cement dry powder is automatically proportioned through automatic measurement and calculation, the prepared slurry is more accurate in proportioning, the quality of the slurry is better, the preparation speed is high, and the automation degree is improved.
A return pipeline 39 is connected to a pipeline between the pressure reducing valve 23 and the electromagnetic flowmeter 25, and a seventh electric butterfly valve 24 is arranged on the return pipeline 39; when the first high-speed pulper 12 and the second high-speed pulper 13 have the slurry preparation process in the barrel, the seventh electric butterfly valve 24 on the return pipeline 39 is opened, and slurry conveyed from the well is input into the return pipeline 39, so that the impact influence on the equipment is reduced.
A third electric butterfly valve 18 is arranged on a slurry circulating pipeline of the first high-speed pulper 12, and a fourth electric butterfly valve 19 is arranged at a slurry discharge port of the first high-speed pulper 12; a fifth electric butterfly valve 20 is arranged on a slurry circulating pipeline of the second high-speed pulper 13, and a sixth electric butterfly valve 21 is arranged at a slurry discharge port of the second high-speed pulper 13; the first high-speed pulper 12 and the second high-speed pulper 13 both adopt the high-speed vortex pulper described in the patent with the application number of 201610721314.X, the specific structure is not described herein again, and the slurry is uniformly mixed in the vortex circulation process through the slurry vortex circulation pipelines of the first high-speed pulper 12 and the second high-speed pulper 13, thereby completing the preparation of the slurry.
The slurry storage system comprises a slurry storage tank 32, a slurry storage tank bottom support 33 is arranged at the bottom of the slurry storage tank 32, a slurry suction groove 37 is formed in the slurry storage tank 32, a first stirring motor 34 and a second stirring motor 35 are installed on the upper portion of the slurry storage tank 32, output shafts of the first stirring motor 34 and the second stirring motor 35 are connected with a speed reducer 40, the speed reducer 40 is installed on a channel steel support 43, the stability of the stirring motor is guaranteed, a stirring shaft 41 is connected to the working end of the speed reducer 40, a plurality of stirring blades 42 are uniformly welded on the outer side of the stirring shaft 41, and a liquid level sensor 36 is further arranged on the upper portion of the slurry storage tank 32; the slurry can be prevented from settling by stirring, and the maximum reserve amount of the slurry is controlled by a liquid level sensor.
The dry powder spiral conveying system 2 comprises a dry powder storage tank 3, a first spiral conveyor 4, a second spiral conveyor 6 and a third spiral conveyor 7, wherein the first spiral conveyor 4 is arranged below the dry powder storage tank 3, the second spiral conveyor 6 is vertically connected to one side of the first spiral conveyor 4, the third spiral conveyor 7 is vertically connected to the upper side of the second spiral conveyor 6, two conveying outlets are formed in the bottom of the third spiral conveyor 7, and the two conveying outlets are respectively communicated with the first high-speed pulping machine 12 and the second high-speed pulping machine 13; adopt new arrangement form between first screw conveyer 4, second screw conveyer 6 and the third screw conveyer 7, compact structure, rationally distributed, occupation space is littleer, has improved space utilization, the narrow environment equipment of being more convenient for and transportation.
A first electric butterfly valve 8 is arranged at the conveying outlet communicated with the first high-speed pulper 12, and a second electric butterfly valve 9 is arranged at the conveying outlet communicated with the second high-speed pulper 13; the dry powder conveying amount of the first high-speed pulping machine 12 and the dry powder conveying amount of the second high-speed pulping machine 13 can be respectively controlled by arranging the first electric butterfly valve 8 and the second electric butterfly valve 9, automatic control is realized, and the matching accuracy is improved.
A bottom support 5 of the dry powder storage tank is arranged below the dry powder storage tank 3, a first support rod 10 and a second support rod 11 are arranged below the third screw conveyor 7, and the bottom ends of the first support rod 10 and the second support rod 11 are fixed on the first bottom support 14; the third screw conveyor 7 is fixed by the first support rod 10 and the second support rod 11, so that the stability of the equipment is improved.
The grouting system comprises a grouting pump 38, and the grouting pump 38 is communicated with the slurry suction groove 37.
The number of the grouting pumps 38 is set to two.
The using process of the invention is as follows:
step one, slurry/water enters from a slurry inlet pipeline 22, is decompressed by a decompression valve 23, a PLC (programmable logic controller) in a mine explosion-proof control cabinet 1 alternately opens a ninth electric butterfly valve 27 and an eighth electric butterfly valve 26 to respectively send the slurry or water into a first high-speed pulping machine 12 and a second high-speed pulping machine 13, the data measured by an electromagnetic flowmeter 25 in the process that the slurry/water passes through the slurry inlet pipeline 22 is transmitted to the PLC for data processing, the processing result can control the proportioning requirement of the slurry/water and dry powder in the first high-speed pulping machine 12 and the second high-speed pulping machine 13, and the slurry/water stops being transmitted after the flow of the slurry/water reaches the set flow of a high-speed pulping machine system; step two, according to the calculated proportioning requirement, the dry powder spiral conveying system 2 starts to alternately convey the dry powder to the first high-speed pulping machine 12 and the second high-speed pulping machine 13, and meanwhile, the first weighing module 16 and the second weighing module 17 at the bottoms of the first high-speed pulping machine 12 and the second high-speed pulping machine 13 carry out dry powder increasing weighing, and the dry powder conveying is stopped after the mass of the cement powder to be conveyed is calculated; step three, after the slurry/water and the dry powder are conveyed to the calculation result of the PLC, the first high-speed pulping machine 12 and the second high-speed pulping machine 13 start to pulp through internal circulation vortex; after pulping, conveying finished pulp into the pulp storage tank 32 through the pulp discharge port alternately, starting stirring work by the first stirring motor 34 and the second stirring motor 35, rotating the stirring shaft 41 and the stirring blades 42 to prevent the pulp from precipitating, and controlling the maximum pulp storage amount by the liquid level sensor 36 arranged at the upper part of the pulp storage tank 32; and step five, the grouting pump 38 sucks the slurry from the slurry suction groove 37 in the slurry storage tank 32 and injects the slurry into the working surface.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (10)
1. The utility model provides a colliery is intelligent slip casting station for pit which characterized in that: the mining explosion-proof control cabinet, the dry powder spiral conveying system, the pulping system, the pulp storage system and the grouting system are arranged in a straight line shape, the dry powder spiral conveying system is communicated with the pulping system and conveys dry powder into the pulping system, the pulping system is communicated with the pulp storage system and conveys finished pulp to the pulp storage system, the grouting system is communicated with the pulp storage system and sucks and injects the pulp into a working face, and the dry powder spiral conveying system, the pulping system, the pulp storage system and the grouting system are all electrically connected with the mining explosion-proof control cabinet.
2. The intelligent grouting station for the underground coal mine according to claim 1, wherein: the pulping system comprises a first high-speed pulping machine and a second high-speed pulping machine which are arranged in parallel, a pulping pipeline is arranged on one side of the first high-speed pulping machine and one side of the second high-speed pulping machine, a pressure reducing valve and an electromagnetic flow meter are arranged on the pulping pipeline, a ninth electric butterfly valve and an eighth electric butterfly valve are respectively arranged at the communication position of the pulping pipeline and the first high-speed pulping machine and the second high-speed pulping machine, a pulping outlet of the first high-speed pulping machine and a pulping outlet of the second high-speed pulping machine are connected in series through a pulping high-pressure hose, the other end of the pulping high-pressure hose is communicated with the pulping system through a pulping pipeline, a first weighing module and a second weighing module are respectively arranged at the bottom of the first high-speed pulping machine and the second high-speed pulping machine, a first bottom support and a second bottom support are respectively arranged below the first weighing module and the second weighing module, the lower part of the slurry inlet pipeline is provided with a first slurry inlet pipeline support and a second slurry inlet pipeline support, and the bottom ends of the first slurry inlet pipeline support and the second slurry inlet pipeline support are fixed on the second bottom support.
3. The intelligent grouting station for the underground coal mine according to claim 2, wherein: and a return pipeline is connected to a pipeline between the pressure reducing valve and the electromagnetic flowmeter, and a seventh electric butterfly valve is arranged on the return pipeline.
4. The intelligent grouting station for the underground coal mine according to claim 2, wherein: a third electric butterfly valve is arranged on a slurry circulating pipeline of the first high-speed pulping machine, and a fourth electric butterfly valve is arranged at a slurry discharge port of the first high-speed pulping machine; and a fifth electric butterfly valve is arranged on a slurry circulating pipeline of the second high-speed pulping machine, and a sixth electric butterfly valve is arranged at a slurry discharge port of the second high-speed pulping machine.
5. The intelligent grouting station for the underground coal mine according to claim 2, wherein: store up thick liquid system including storing up the thick liquid jar, the bottom of storing up the thick liquid jar is provided with stores up thick liquid jar bottom support, the inside of storing up the thick liquid jar is provided with inhales the dressing trough, first agitator motor and second agitator motor are installed on the upper portion of storing up the thick liquid jar, first agitator motor with all be connected with the speed reducer on the output shaft of second agitator motor, the speed reducer is installed on the channel-section steel support, the working end of speed reducer is connected with the (mixing) shaft, the even welding in the outside of (mixing) shaft has a plurality of stirring vane, the upper portion of storing up the thick liquid jar still is provided with level sensor.
6. The intelligent grouting station for the underground coal mine according to claim 2, wherein: dry powder spiral delivery system includes dry powder storage tank, first screw conveyer, second screw conveyer and third screw conveyer, first screw conveyer sets up the below of dry powder storage tank, second screw conveyer connects perpendicularly one side of first screw conveyer, third screw conveyer connects perpendicularly second screw conveyer's top, third screw conveyer's bottom is provided with two delivery outlets, two delivery outlet respectively with first high-speed pulping machine with the high-speed pulping machine intercommunication of second.
7. The intelligent grouting station for the underground coal mine according to claim 6, wherein: and the conveying outlet communicated with the first high-speed pulping machine is provided with a first electric butterfly valve, and the conveying outlet communicated with the second high-speed pulping machine is provided with a second electric butterfly valve.
8. The intelligent grouting station for the underground coal mine according to claim 6, wherein: the dry powder storage tank is characterized in that a dry powder storage tank bottom support is arranged below the dry powder storage tank, a first supporting rod and a second supporting rod are arranged below the third screw conveyor, and the bottom ends of the first supporting rod and the second supporting rod are fixed on the first bottom support.
9. The intelligent grouting station for the underground coal mine according to claim 5, wherein: the grouting system comprises a grouting pump, and the grouting pump is communicated with the slurry suction groove.
10. The intelligent grouting station for the underground coal mine according to claim 9, wherein: the number of the grouting pumps is two.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110790598.9A CN113356888B (en) | 2021-07-13 | 2021-07-13 | Underground intelligent grouting station for coal mine |
| AU2021105730A AU2021105730A4 (en) | 2021-07-13 | 2021-08-18 | Intelligent underground grouting station for coal mines |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110790598.9A CN113356888B (en) | 2021-07-13 | 2021-07-13 | Underground intelligent grouting station for coal mine |
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| CN113356888A true CN113356888A (en) | 2021-09-07 |
| CN113356888B CN113356888B (en) | 2025-01-17 |
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| AU (1) | AU2021105730A4 (en) |
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| RU74961U1 (en) * | 2008-03-04 | 2008-07-20 | Общество с ограниченной ответственностью "Кузбассгорноспасатель" (ООО "Кузбассгорноспасатель") | COMPREHENSIVE SYSTEM WITH UNIT FOR PREPARING A CAPPING PULPA FOR PREVENTIVE WORKS THROUGH A WELL |
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| CN215256223U (en) * | 2021-07-13 | 2021-12-21 | 河北铸诚工矿机械有限公司 | An intelligent grouting station for underground coal mines |
-
2021
- 2021-07-13 CN CN202110790598.9A patent/CN113356888B/en active Active
- 2021-08-18 AU AU2021105730A patent/AU2021105730A4/en not_active Ceased
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU74961U1 (en) * | 2008-03-04 | 2008-07-20 | Общество с ограниченной ответственностью "Кузбассгорноспасатель" (ООО "Кузбассгорноспасатель") | COMPREHENSIVE SYSTEM WITH UNIT FOR PREPARING A CAPPING PULPA FOR PREVENTIVE WORKS THROUGH A WELL |
| CN210453255U (en) * | 2019-05-13 | 2020-05-05 | 北京中煤矿山工程有限公司 | Intelligent automatic pulping station |
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| CN111236981A (en) * | 2020-03-30 | 2020-06-05 | 河南力行科创矿山技术开发有限公司 | A movable integrated automatic grouting system in a coal mine and a method of using the same |
| CN111894666A (en) * | 2020-07-06 | 2020-11-06 | 中煤能源研究院有限责任公司 | Coal mine underground selective grinding pump-charging integrated gangue slurry filling system and method |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN113356888B (en) | 2025-01-17 |
| AU2021105730A4 (en) | 2021-10-14 |
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