CN110732283B - Preparation system of coal-electricity integrated three-waste-based foaming material and application method thereof - Google Patents
Preparation system of coal-electricity integrated three-waste-based foaming material and application method thereof Download PDFInfo
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- CN110732283B CN110732283B CN201910945083.4A CN201910945083A CN110732283B CN 110732283 B CN110732283 B CN 110732283B CN 201910945083 A CN201910945083 A CN 201910945083A CN 110732283 B CN110732283 B CN 110732283B
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- 238000005187 foaming Methods 0.000 title claims abstract description 143
- 239000002699 waste material Substances 0.000 title claims abstract description 124
- 239000000463 material Substances 0.000 title claims abstract description 112
- 238000002360 preparation method Methods 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 25
- 239000007788 liquid Substances 0.000 claims abstract description 250
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 131
- 239000003546 flue gas Substances 0.000 claims abstract description 131
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 89
- 239000004088 foaming agent Substances 0.000 claims abstract description 57
- 238000002156 mixing Methods 0.000 claims abstract description 54
- 239000011268 mixed slurry Substances 0.000 claims abstract description 50
- 239000011259 mixed solution Substances 0.000 claims abstract description 44
- 239000010881 fly ash Substances 0.000 claims abstract description 32
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 25
- 230000023556 desulfurization Effects 0.000 claims abstract description 25
- 238000002309 gasification Methods 0.000 claims abstract description 25
- 239000006261 foam material Substances 0.000 claims abstract description 24
- 230000006835 compression Effects 0.000 claims abstract description 23
- 238000007906 compression Methods 0.000 claims abstract description 23
- 239000000779 smoke Substances 0.000 claims abstract description 16
- 239000004568 cement Substances 0.000 claims abstract description 5
- 230000003009 desulfurizing effect Effects 0.000 claims abstract description 3
- 239000007789 gas Substances 0.000 claims description 102
- 238000006243 chemical reaction Methods 0.000 claims description 65
- 230000002457 bidirectional effect Effects 0.000 claims description 63
- 238000005507 spraying Methods 0.000 claims description 44
- 238000003860 storage Methods 0.000 claims description 29
- 238000005303 weighing Methods 0.000 claims description 26
- 239000006260 foam Substances 0.000 claims description 24
- 238000011049 filling Methods 0.000 claims description 22
- 239000002002 slurry Substances 0.000 claims description 21
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- 238000005086 pumping Methods 0.000 claims description 11
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/80—Mixing plants; Combinations of mixers
- B01F33/82—Combinations of dissimilar mixers
- B01F33/821—Combinations of dissimilar mixers with consecutive receptacles
- B01F33/8212—Combinations of dissimilar mixers with consecutive receptacles with moving and non-moving stirring devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/235—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids for making foam
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/235—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids for making foam
- B01F23/2351—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids for making foam using driven stirrers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/29—Mixing systems, i.e. flow charts or diagrams
- B01F23/291—Mixing systems, i.e. flow charts or diagrams for obtaining foams or aerosols
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/70—Pre-treatment of the materials to be mixed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/30—Injector mixers
- B01F25/31—Injector mixers in conduits or tubes through which the main component flows
- B01F25/311—Injector mixers in conduits or tubes through which the main component flows for mixing more than two components; Devices specially adapted for generating foam
- B01F25/3111—Devices specially adapted for generating foam, e.g. air foam
- B01F25/31112—Devices specially adapted for generating foam, e.g. air foam with additional mixing means other than injector mixers, e.g. screen or baffles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/30—Injector mixers
- B01F25/31—Injector mixers in conduits or tubes through which the main component flows
- B01F25/312—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof
- B01F25/3121—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof with additional mixing means other than injector mixers, e.g. screens, baffles or rotating elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/30—Injector mixers
- B01F25/31—Injector mixers in conduits or tubes through which the main component flows
- B01F25/312—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof
- B01F25/3123—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof with two or more Venturi elements
- B01F25/31233—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof with two or more Venturi elements used successively
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/20—Measuring; Control or regulation
- B01F35/21—Measuring
- B01F35/213—Measuring of the properties of the mixtures, e.g. temperature, density or colour
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/20—Measuring; Control or regulation
- B01F35/22—Control or regulation
- B01F35/2201—Control or regulation characterised by the type of control technique used
- B01F35/2202—Controlling the mixing process by feed-back, i.e. a measured parameter of the mixture is measured, compared with the set-value and the feed values are corrected
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/90—Heating or cooling systems
- B01F35/92—Heating or cooling systems for heating the outside of the receptacle, e.g. heated jackets or burners
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/90—Heating or cooling systems
- B01F2035/99—Heating
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Dispersion Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
- Nozzles (AREA)
Abstract
A preparation system of a coal-electricity integrated three-waste-based foaming material and a use method thereof, the system comprises: the water-liquid mutual driving unit is used for supplying the foaming agent mixed solution to the novel foaming device through the coil pipe by driving the constant-current constant-pressure pump; the desulfurization equipment and the compression equipment treat the flue gas in sequence to form flue gas liquid, and the gasification equipment treats the flue gas liquid to form flue gas which is supplied to the novel foamer; the three-waste-based foaming material mixer fully and uniformly mixes the generated foaming material and the mixed slurry to generate three-waste-based foaming material; the method comprises the following steps: desulfurizing and compressing the flue gas, treating high-salt mine water, and mixing and stirring fly ash, cement and high-salt mine water to form mixed slurry; supplying the mixed solution of the flue gas and the foaming agent to a novel foaming device to generate a foam material; uniformly mixing the foam material and the mixed slurry to generate a three-waste-based foam material; injecting the self-connection region; and (5) injecting smoke into the goaf. The system and the method can scientifically treat and reuse the three-waste materials and monitor the preparation process.
Description
Technical Field
The invention belongs to the technical field of green mines, and particularly relates to a preparation system of a coal-electricity integrated three-waste-based foaming material and a use method thereof.
Background
The problems of treatment and utilization of fly ash, flue gas and high-salt mine water (solid, gas and liquid three wastes) generated by coal-electricity integration are always the problems to be solved urgently, the comprehensive utilization degree of the coal-electricity integrated waste is low in the prior art, the method is single, the feasibility is poor, and the method is not suitable for large-scale popularization and industrial application.
The three-waste-based foaming material is a foaming material which is produced by recycling solid, gas and liquid three wastes of fly ash-flue gas-high salt mine water of coal-electric enterprises and by means of nonstandard special equipment and related processes, has strong plastic deformation capability, certain bearing capacity, strong fluidity and high stacking property, has the characteristics of quick condensation (adjustable condensation time) and no water seepage, not only can be used for filling and plugging air at the end of a mine working face and inhibiting coal oxidation and fire prevention operation in a mine goaf, but also has good application in the aspects of waste mine flue gas and solid waste sealing, building heat insulation materials, mine guniting materials and the like. However, in the prior art, there is no device suitable for preparing the three-waste-based foaming material, so that the preparation of the three-waste-based foaming material is inconvenient, and meanwhile, the using method of the three-waste-based foaming material is unreasonable and the utilization efficiency is low.
Disclosure of Invention
Aiming at the problems existing in the prior art, the invention provides a preparation system of a coal-electricity integrated three-waste-based foaming material, which can rapidly and efficiently prepare the three-waste-based foaming material by using fly ash, flue gas and high-salt mine water materials, can intelligently monitor the production process of the three-waste-based foaming material, and is convenient for obtaining the characteristic data of the three-waste-based foaming material; the use method can reasonably and effectively treat the three wastes of the fly ash, the flue gas and the high-salt mine water generated by coal-electricity integration, can effectively realize the optimal reuse of the three wastes, reduces the environmental pollution and simultaneously can play the purpose of guaranteeing the safe production of the coal mine;
the invention provides a preparation system of a coal-electricity integrated three-waste-based foaming material, which comprises a coal-electricity integrated three-waste-based foaming material generating device, a foaming agent mixed solution supplying device, a foam generating and observing device, a flue gas supplying device and a control console;
the foaming agent mixed solution supply device is arranged in a foam preparation chamber underground and comprises a water-liquid mutual driving unit, a constant-flow constant-pressure pump and a foaming agent solution mixing unit; the water-liquid mutual driving unit comprises a first bidirectional piston cylinder, a second bidirectional piston cylinder and a plurality of conversion valves; the first bidirectional piston cylinder and the second bidirectional piston cylinder have the same structure, the cylinder barrel is internally provided with a piston which is in sliding sealing fit with the cylinder barrel, the piston divides the inner cavity of the cylinder barrel into two mutually independent rodless cavities, the two rodless cavities are respectively communicated with the outside through a working port A and a working port B which are arranged at two ends of the cylinder barrel, and the first bidirectional piston cylinder and the second bidirectional piston cylinder are respectively provided with a first displacement sensor and a second displacement sensor which are used for detecting the positions of the respective pistons; the plurality of conversion valves are respectively a first conversion valve, a second conversion valve, a third conversion valve, a fourth conversion valve, a fifth conversion valve, a sixth conversion valve, a seventh conversion valve and an eighth conversion valve, the first conversion valve, the second conversion valve, the third conversion valve, the fourth conversion valve, the fifth conversion valve, the sixth conversion valve, the seventh conversion valve and the eighth conversion valve are respectively provided with a working port C and a working port D which are communicated or cut-off by control, the working ports C of the fourth conversion valve and the first conversion valve are mutually communicated and then serve as water inlets of a water-liquid mutual driving unit, the working ports D of the fourth conversion valve and the first conversion valve are respectively connected with the working ports A of a first bidirectional piston cylinder and a second bidirectional piston cylinder, the working ports D of the fifth conversion valve and the eighth conversion valve are mutually communicated and then serve as outlets of the water-liquid mutual driving unit, and are connected with one end of an electromagnetic liquid flowmeter A through a one-way valve; the working ports C of the fifth switching valve and the eighth switching valve are respectively connected with the working ports B of the first bidirectional piston cylinder and the second bidirectional piston cylinder, the working ports C of the second switching valve and the third switching valve are communicated with the outside air, the working ports D of the second switching valve and the third switching valve are respectively connected with the working ports A of the first bidirectional piston cylinder and the second bidirectional piston cylinder, the working ports C of the sixth switching valve and the seventh switching valve are respectively connected with the working ports B of the first bidirectional piston cylinder and the second bidirectional piston cylinder, and the working ports D of the sixth switching valve and the seventh switching valve are mutually communicated and then serve as liquid inlets of the water-liquid mutual driving unit; the liquid inlet of the constant-current constant-pressure pump is connected with the bottom of the cold water container through a pipeline, and the liquid outlet of the constant-current constant-pressure pump is connected with the water inlet of the water-liquid mutual driving unit; the foaming agent solution mixing unit comprises a liquid supplementing pump, a foaming agent mixed solution storage barrel and a safety valve, wherein a liquid inlet of the liquid supplementing pump is connected with the bottom of the foaming agent mixed solution storage barrel through a pipeline, and a liquid outlet of the foaming agent mixed solution storage barrel is connected with a liquid inlet of the water-liquid mutual driving unit through the safety valve;
The foam generating and observing device is arranged in a foam preparation chamber under the well and comprises a circulating water bath, a novel foamer and a high-speed camera; the coil pipe is arranged at one side of the interior of the circulating water bath, and one end of the coil pipe is connected with the other end of the electromagnetic liquid flowmeter A; the novel foaming device is arranged in the circulating water bath, a gas-liquid mixing chamber and a spraying hole which is communicated with the gas-liquid mixing chamber and the outside are arranged at the top of the novel foaming device, and a transparent vertical observation plane is arranged on one side of the gas-liquid mixing chamber; the novel foaming device is provided with a liquid path channel positioned at the axis of the novel foaming device and a plurality of gas path channels distributed around the liquid path channel, wherein the upper end of the liquid path channel is communicated with the gas-liquid mixing chamber, and the lower end of the liquid path channel is connected with the other end of the coil; the inner end of the air channel is communicated with the liquid channel, and the outer end of the air channel is connected with the air outlet end of the pneumatic connector fixedly connected to the outer side of the novel foaming device; the spraying hole is connected with the feeding end of the heat preservation pipeline; the high-speed camera is supported on the outer side of the novel foaming device, and the lens is aligned to the vertical observation plane;
the flue gas supply device comprises flue gas desulfurization equipment and flue gas compression liquefaction equipment which are arranged in a flue gas desulfurization compression workshop on the ground, and flue gas gasification equipment which is arranged in a downhole flue gas gasification chamber; the gas inlet end of the flue gas desulfurization equipment is connected with a power plant flue gas pipeline in the power plant, the gas outlet end of the flue gas desulfurization equipment is connected with the gas inlet end of the flue gas compression liquefaction equipment, the liquid outlet end of the flue gas compression liquefaction equipment is connected with the liquid inlet end of a flue gas liquid pipeline, the liquid outlet end of the flue gas liquid pipeline sequentially passes through an auxiliary well house, an auxiliary well, a shaft bottom car yard, a transportation stone gate, a transportation main roadway, a lower car yard of a mining area, a track climbing and a transportation cis-slot and penetrates into a flue gas gasification chamber to be connected with the gas inlet end of the flue gas gasification equipment, the gas outlet end of the flue gas gasification equipment is connected with the gas inlet end of a flue gas channel pipeline, the flue gas channel pipeline is sequentially connected with an electromagnetic pressure reducing valve, a check valve and a vortex type gas flowmeter in series, the gas outlet end of the flue gas channel pipeline is connected with a gas delivery branch A and a gas delivery branch B, and the gas delivery branch A penetrates into a three-waste foaming material chamber and is respectively connected with the gas inlet end of each pneumatic connector on a novel foaming device through each gas delivery branch C connected with the gas branch A; the gas transmission branch B extends to the goaf in a buried mode and is sealed by a control valve;
The coal-electricity integrated three-waste-based foaming material generating device comprises a screw pump and a three-waste-based foaming material mixer which are arranged in an underground three-waste machine foaming material preparing chamber, a mixed slurry stirrer arranged in a ground fly ash-based mixed slurry preparing workshop, and a slurry pumping pump and a slurry storage pool which are arranged underground; the discharge end of the mixed slurry stirrer is connected with the feed end of the fly ash-based mixed slurry pipeline, and the discharge end of the fly ash-based mixed slurry pipeline sequentially penetrates through an auxiliary well house, an auxiliary well, a well bottom car park, a transportation stone door, a transportation main roadway, a car park at the lower part of a mining area, a track mountain and a transportation cis-slot to extend into the slurry storage pool; the liquid inlet end of the pulp pumping pump is connected with the bottom of the pulp storage tank through a pipeline, the liquid outlet end of the pulp pumping pump is connected with a feed inlet of a screw pump in a three-waste foaming material preparation chamber through an output pipeline, and is also connected with a weighing device A through a quick switch solenoid valve A through another output pipeline, and the weighing device A is arranged in a downhole working surface; the discharge port of the screw pump is connected with one feed port of the three-waste-based foaming material mixer through an electromagnetic liquid flowmeter B; the other feed inlet of the three-waste-based foaming material mixer is connected with the discharge end of a heat preservation pipeline penetrating into a foaming material preparation chamber of the three-waste machine, one output branch of the three-waste-based foaming material mixer is connected with a weighing device B through a quick switch solenoid valve B, the other output branch is connected with the feed end of a three-waste-based foaming material conveying pipeline sequentially through a solenoid valve B and a vibration viscometer, and the discharge end of the three-waste-based foaming material conveying pipeline extends to a goaf;
The control console is respectively connected with a constant-current constant-pressure pump, an electromagnetic liquid flowmeter A, a first conversion valve, a second conversion valve, a third conversion valve, a fourth conversion valve, a fifth conversion valve, a sixth conversion valve, a seventh conversion valve, an eighth conversion valve, a first displacement sensor, a second displacement sensor, a high-speed camera, a vacuum pump, a gas chromatograph, an electromagnetic valve A, an electromagnetic pressure reducing valve, a quick switch electromagnetic valve A, a quick switch electromagnetic valve B and a vibration viscometer.
Preferably, the constant-flow constant-pressure pump is a plunger type double-cylinder pump, and the output parameter of the constant-flow constant-pressure pump is 0-500 ml/min constant-flow liquid or 0-150 MPa constant-pressure liquid; the model of the high-speed camera is Phantom Miro LC series.
Preferably, the coil is supported longitudinally within the circulating water bath by a coil support.
Preferably, the circulating water bath comprises a temperature sensor, a heating rod, a temperature controller and a circulating pump, wherein the temperature sensor and the heating rod are arranged in the circulating water bath, the temperature sensor is connected with the temperature controller arranged outside the circulating water bath and used for feeding back the internal temperature of the circulating water bath, and the temperature controller is connected with the heating rod and used for controlling the heating power of the heating rod according to the fed back internal temperature; the liquid inlet of the circulating pump is communicated with the bottom of the circulating water bath through a pipeline, and the liquid outlet of the circulating pump is communicated with the upper part of the circulating water bath through a pipeline.
Further, in order to improve the foaming effect, the baffle that still fixedly connected with slope set up in the gas-liquid mixing chamber, the baffle is located directly over the liquid path passageway, and the one end that the baffle is close to the blowout hole is less than the one end that keeps away from the blowout hole. The foam can stay in the mixing chamber for a longer time through the arrangement of the baffle plate, so that the mixing of gas and liquid can be further promoted, and the foaming effect can be further improved.
Further, two necking sections are arranged at intervals on one section of the upper part of the liquid path channel, the two necking sections are respectively located above and below the inner end of the gas path channel, and the necking sections are smoothly transited upwards and downwards. The arrangement of the two necking sections can enable gas and liquid to be mixed more fully, complete turbulence can be achieved, and foaming efficiency can be effectively improved.
Further, for convenient assembly and maintenance, the novel foamer consists of a mixture, an ejector A, an ejector B and a bottom support body which are longitudinally and sequentially distributed;
the gas-liquid mixing chamber is arranged in the mixture, the vertical observation plane is arranged on one side of the upper part of the mixture, and the spraying hole is arranged on one side of the top of the mixture and is positioned above the vertical observation plane;
the spraying body A is of a stepped structure formed by a large-diameter section positioned at the upper end and a small-diameter section positioned below the large-diameter section, a first liquid path which is axially communicated is formed in the axis of the spraying body A, a plurality of first gas paths communicated with the first liquid path are formed in the outer side of the first liquid path, each first gas path is provided with an inclined section positioned at the inner side and a horizontal section positioned at the outer side, the inclined sections are arranged in a high-low inclined manner, and the included angles between the inclined sections of the plurality of first gas paths and the axis of the spraying body A are different; at least one positioning block is arranged on the outer side of the upper part of the small-diameter section, and a connecting lug A with external threads is arranged in the center of the lower end of the small-diameter section;
A bearing groove matched with the small-diameter section of the spraying body A is formed in the axis of the upper part of the spraying body B, and a connecting groove with internal threads is formed in the center of the bottom of the bearing groove; the ejection body B is provided with a positioning ring groove corresponding to the positioning block at the outer side of the upper part of the bearing groove, a guide vertical groove extending to the upper end surface of the ejection body B is arranged at the part above the positioning ring groove, and a plurality of second air channels corresponding to the first air channels are arranged at the radial direction of the outer side of the upper part of the bearing groove and are communicated with the outer part of the bearing groove and the ejection body B; the pneumatic connector is fixedly connected to the outer surface of the spraying body B and is communicated with the outer end of the corresponding second air channel; the center of the lower end of the spraying body B is connected with a circular chuck through a cylindrical extension part; the ejection body B is provided with a second liquid path extending to the lower end surface of the extension part at the center of the bottom of the connecting groove;
the bottom support body comprises a base and two base sealing plates, a transverse chute which is in an inverted T shape and is used for the circular chuck and the extension part to pass through in a sliding way is arranged in the middle of the base, a connecting lug B with external threads is arranged at the center of the lower end of the base, and a third liquid path is arranged between the bottom of the transverse chute and the lower end face of the connecting lug B; the setting of base can make things convenient for the change of novel foamer blowout hole position, simultaneously, can also make things convenient for this novel foamer installation on different positions.
The upper end face of the large-diameter section is fixedly connected with the lower end face of the mixture, and the upper end of the first liquid path is communicated with the gas-liquid mixing chamber; the small-diameter section is inserted into the bearing groove, the connecting convex block A is connected with the connecting groove through threaded fit, the large-diameter section is connected with the upper end face of the spraying body B through bolts, the positioning block longitudinally penetrating through the guide vertical groove is in limit fit with the positioning ring groove, the outer end of the first air channel and the inner end of the second air channel are correspondingly and thoroughly connected, and the lower end of the first liquid channel and the upper end of the second liquid channel are correspondingly and thoroughly connected; the circular chuck slides into the transverse chute, and the upper end of the third air passage is in through connection with the lower end of the second liquid passage; the two base sealing plates are oppositely plugged at two ends of the transverse chute and are fixedly connected with the base through bolts; the connecting lug B is connected to the bottom of the circulating water bath in a threaded fit manner;
the air channel is formed by a first air channel and a second air channel which are communicated, and the liquid channel is formed by a first liquid channel, a second liquid channel and a third liquid channel which are sequentially communicated.
Preferably, the screw pump includes a servo motor cylinder, an output end of the servo motor cylinder is connected to one end of a screw shaft, which is rotatably provided in a bushing, through a connecting shaft and a universal joint.
The two bidirectional piston cylinders in the water-liquid mutual driving unit can realize alternate liquid supplementing and liquid discharging under the control of the control console, and further can be matched with the constant-current constant-pressure pump and the liquid supplementing pump to drive the continuous and stable output of the foaming agent mixed solution by using the liquid in the cold water container as power, so that the constant-current or constant-pressure supply of the foaming agent mixed solution is effectively ensured, and the influence of pulse fluctuation on the solution output process is effectively avoided. In addition, the water-liquid mutual driving unit can effectively isolate the acidic foaming agent mixed solution from the constant-current constant-pressure pump, can avoid the acidic foaming agent mixed solution from corroding the constant-current constant-pressure pump, and is beneficial to prolonging the service life of the constant-current constant-pressure pump. The coil pipe sets up in the circulation water bath, and then foaming agent mixed solution can fully preheat in the coil pipe and can reach the settlement temperature before getting into the liquid way passageway of novel foamer, and novel foamer sets up in the circulation water bath equally, and its inside temperature is the settlement temperature, like this, can be with the quick foaming of optimum temperature after getting into novel foamer inside through the foaming agent mixed solution after preheating, can effectually shorten the foaming time to can improve foaming efficiency. The high-speed camera can acquire image data in the gas-liquid mixing chamber in real time and send the image data to the control console, so that the control console can conveniently obtain characteristic data reflecting the size and distribution of foam in real time through an image processing technology. The purpose of desulfurization can be realized by the treatment of flue gas by flue gas desulfurization equipment; the flue gas after desulfurization is treated by the flue gas compression and liquefaction equipment, so that the flue gas can be compressed into a liquid form, the quick conveying of the flue gas can be facilitated, and the stable supply of the subsequent flue gas can be ensured; the gasified flue gas can be output through the electromagnetic pressure reducing valve to realize the output of the flue gas pressure reduction and constant flow, so that the mixed gas can be ensured to stably and continuously impact the foaming agent mixed solution entering the liquid path channel, and the foaming efficiency is further improved. The check valve can ensure that the gas path and the liquid path are mutually independent and cannot be mutually influenced. The vortex type gas flowmeter can calibrate the flow, so that the stable supply of the mixed gas can be further ensured. The screw pump stably outputs the mixed fly ash, cement and treated high-salt mine water to the three-waste-based foaming material mixer, so that the three-waste-based foaming material mixer can be fully mixed with the foaming material output by the novel foaming device, and the mixed material can be output to a use end for subsequent use. The weighing devices A and B can feed weighing data back to the control console, so that the control console can conveniently and quickly calculate the grand gap degree of the foaming material, the vibration viscometer can quickly and timely measure the viscosity of the foaming material, and a foundation can be provided for the performance study of the follow-up foaming material; the discharge end of the three-waste-based foaming material conveying pipeline extends to the goaf, so that the three-waste-based foaming material can be conveniently injected into the goaf; the gas transmission branch B extends to the goaf, and can inject flue gas into the goaf in all directions so as to realize the sealing and storage effects on solid wastes and gas wastes in the goaf, cover the coal left in the goaf and play a role in preventing and killing inflammation. The invention can reasonably treat the three wastes (coal-fired power plant fly ash, coal-fired power plant flue gas and high-salt mine water) of coal-electricity integration and can be effectively reused. The system can effectively monitor the foam property (size and distribution) and the three-waste-based foam material property (porosity and viscosity), and can facilitate the real-time understanding of the production process of the three-waste-based foam material.
The invention also provides a using method of the preparation system of the coal-electricity integrated three-waste-based foaming material, which comprises the following steps:
step one: capturing flue gas exhausted by a power plant by utilizing a flue gas pipeline of the power plant, and desulfurizing and compressing the flue gas sequentially through flue gas desulfurization equipment and flue gas compression liquefaction equipment in a flue gas desulfurization compression workshop to form flue gas liquid;
high-salt mine water pumped to the ground by a mine shaft bottom water bin is conveyed to a high-salt mine water treatment workshop for treatment to form treated high-salt mine water, and the treated high-salt mine water is conveyed to a fly ash-based mixed slurry preparation workshop; using a transport vehicle to transport fly ash generated by a power plant into a fly ash-based mixed slurry preparation workshop; cement, treated high-salt mine water and fly ash are put into a mixed slurry stirrer to be uniformly stirred to prepare mixed slurry;
step two: the flue gas liquid pipeline is sequentially input into flue gas gasification equipment in a flue gas gasification chamber through an auxiliary well house, an auxiliary well, a well bottom yard, a transportation stone door, a transportation roadway, a lower yard of a mining area, a track mountain and a transportation gateway;
the mixed slurry is sequentially input into a slurry storage pool through an auxiliary well house, an auxiliary well, a shaft bottom car yard, a transportation stone door, a transportation main roadway, a lower car yard of a mining area, a track mountain and a transportation gate by utilizing a fly ash-based mixed slurry pipeline;
Step three: gasifying the smoke liquid by using smoke gasification equipment, and decompressing the gasified smoke gas to a set pressure through a smoke gas path pipeline and outputting the gasified smoke gas;
step four: setting the temperature of the circulating water bath, and preheating the novel foamer and the coil;
fully and uniformly mixing a foaming agent and treated high-salt mine water in a foaming agent mixed solution storage barrel to form a foaming agent mixed solution, and conveying the foaming agent mixed solution into a liquid path channel of a novel foaming device through a coil pipe by constant flow of a water-liquid mutual driving unit; meanwhile, a gas transmission branch A is utilized to supply a part of flue gas output by a flue gas channel pipeline to a gas channel of a novel foaming device through a gas transmission branch C to prepare foam;
step five: the foam material output by the spray holes of the novel foamer is conveyed to a three-waste-based foam material mixer in a three-waste machine foaming material preparation chamber through a heat preservation pipeline;
the mixed slurry in the slurry storage pool is input into a screw pump by utilizing a slurry pump, and then the mixed slurry is conveyed into a three-waste-based foaming material mixer by utilizing the screw pump;
fully and uniformly mixing the foam material and the mixed slurry by a three-waste-based foam material mixer to prepare a three-waste-based foam material;
Step six: preprocessing a self-roof-connecting area in the goaf to enable the surface of the self-roof-connecting area to be in a flat state; sewing goaf plugging air filling bags with proper sizes according to the height distance between the broken rock mass of the top plate and the bottom plate of the self-roof-connecting area, the distance between two roadway sides, the length distance required to be filled along the pushing direction and the contour state of the roadway section; three-waste-based foaming materials are injected into the lower space of the goaf air leakage blocking filling bag through a three-waste-based foaming material conveying pipeline, then a bracket for supporting the goaf air leakage blocking filling bag is erected in the self-roof-connecting area, three-waste-based foaming materials are injected into the upper space of the goaf air leakage blocking filling bag through the three-waste-based foaming material conveying pipeline, and then the goaf air leakage blocking filling bag is completely closed so that the foaming materials spontaneously expand and contact with the top plate of the self-roof-connecting area; after the goaf plugging air filling bag is fully foamed, plugging the goaf between two roadway sides is completed, and after the three-waste-based foaming material is completely solidified, removing the bracket;
step seven: continuously injecting the three-waste-based foaming material into the goaf through a three-waste-based foaming material mixer; and (3) opening a control valve at the air outlet end of the air transmission branch B, injecting flue gas into the goaf, sealing and storing the fixed waste and the gas waste, and covering goaf residual coal.
The method effectively treats the fly ash, the flue gas and the high-salt mine water generated by coal-electricity integration, fully utilizes the fly ash, the flue gas, the high-salt mine water and the foaming agent to produce the three-waste-based foaming material, loads the three-waste-based foaming material into the goaf air leakage blocking filling bag arranged in the self-roof-connecting area to perform foaming expansion, further achieves the purpose of full roof connection, can effectively prevent the loss of the air quantity of a working face and the air leakage condition of the goaf, can avoid the irregular sinking of a roadway and a top plate, has good blocking effect by utilizing the three-waste-based foaming material, effectively reduces the construction cost and the risk coefficient in the coal mine production process, reduces the environmental pollution, and simultaneously effectively ensures the safe production work of the coal mine. The method also inputs the flue gas into the goaf, thereby having the function of sealing and storing the solid waste and the gas waste in the goaf, covering the residual coal in the goaf, having the function of fire prevention and extinguishment and further improving the safety coefficient of coal mine production.
Drawings
FIG. 1 is a schematic view of the assembly of the present invention;
FIG. 2 is a schematic view of the system of the present invention assembled adjacent a work surface;
FIG. 3 is a schematic diagram of the structure of the present invention;
FIG. 4 is a schematic view showing the structure of the novel foamer of the present invention;
FIG. 5 is a schematic diagram showing the assembly of the mixture and the ejection body A according to the present invention;
FIG. 6 is a schematic view showing the structure of an ejection body B according to the present invention;
FIG. 7 is a schematic view of the structure of the base of the present invention;
FIG. 8 is a schematic view of a base seal plate according to the present invention;
FIG. 9 is a flow chart of the preparation of the coal-to-electricity integrated three-waste-based foam material.
In the figure: 1. cold water container, 2, constant-current constant-pressure pump, 3, first displacement sensor, 4, vertical observation plane, 5, second displacement sensor, 6, first bidirectional piston cylinder, 7, second bidirectional piston cylinder, 8, safety valve, 9, liquid supplementing pump, 10, foaming agent mixed solution storage bucket, 11, mixed body, 12, connection bump a,13, one-way valve, 14, electromagnetic liquid flowmeter a,15, circulating water bath, 16, coil pipe, 17, coil pipe support frame, 18, temperature sensor, 19, heating rod, 20, novel foamer, 21, high-speed camera, 22, temperature controller, 23, liquid path channel, 24, gas path channel, 25, circular chuck, 26, ball, 27, spray body a,28, large path section, 29, second liquid path, 30, positioning block, 31, spray body B,32, bearing groove, 33, connection groove, 34, base, 35, first gas path, 36, connection lugs B,37, second gas path, 38, pneumatic connector, 39, necking section, 40, gas-liquid mixing chamber, 41, baffle, 42, ejection hole, 43, solenoid valve B,44, foam preparation chamber, 45, flue gas desulfurization compression shop, 46, flue gas desulfurization device, 47, flue gas compression liquefaction device, 48, flue gas gasification chamber, 49, positioning ring groove, 50, electromagnetic pressure reducing valve, 51, vortex gas flowmeter, 52, heat preservation pipeline, 53, flue gas gasification device, 54, guide vertical groove, 55, mixed slurry stirrer, 56, servo electric cylinder, 57, connection shaft, 58, universal joint, 59, screw shaft, 60, bushing, 61, three-waste-based foaming material mixer, 62, fast switching electromagnetic valve a,63, weighing device B, 64, vibration viscometer, 65, weighing device a,66, extension, 67, A small diameter section 68, a transverse chute 69, a power plant, 70, a screw pump, 71, an electromagnetic liquid flowmeter B,72, a quick switch solenoid valve B,73, a first liquid path, 74, a base sealing plate, 75, a flue gas liquid path pipeline, 76, a gas delivery branch A,77, a power plant flue gas pipeline, 78, a subsidiary well, 79, a subsidiary well, 80, a three-waste foamed material preparation chamber, 81, a fly ash-based mixed slurry preparation shop, 82, a slurry pump, 83, a slurry storage tank, 84, a fly ash-based mixed slurry pipeline, 85, a bottom car park, 86, a transportation stone gate, 87, a transportation roadway, 88, a mining area lower car park, 89, a track mountain, 90, a transportation roadway, 91, a flue gas path pipeline, 92, an output branch B,93, a gas delivery branch C,94, a goaf, 95, a three-waste foamed material delivery pipeline, 96, a high mine water treatment shop, 97, a goaf air leakage filling bag, 98, a self-roof region, 99, a main well, 100, a main well, a working face 103, a working face 102, a return air duct 105, a transportation roadway, a hydraulic support, a hydraulic pressure tank 106;
V1, first switching valve, V2, second switching valve, V3, third switching valve, V4, fourth switching valve, V5, fifth switching valve, V6, sixth switching valve, V7, seventh switching valve, V8, eighth switching valve.
Description of the embodiments
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1 and 2, the power plant 69 in coal-electricity co-camping is disposed close to a coal mine, wherein the coal mine comprises a main shaft house 99, an auxiliary shaft house 78, an air shaft house 102, a downhole car park 85 disposed under the shaft, a transportation gate 85 disposed under the shaft, a main shaft 100 communicating the main shaft house 99 with the downhole car park 85, an auxiliary shaft 79 communicating the auxiliary shaft house 78 with the downhole car park 85, an air return shaft 103 connecting the air shaft house 102 with an underground return air passage, a working face 101 disposed under the shaft, a transportation gate 90 disposed on one side of the working face 101, a transportation gate tape 106 disposed in the transportation gate 90, a goaf 94 disposed under the shaft, a plurality of hydraulic supports 105 supported in the goaf 94, a transportation gate 87 communicating the downhole car park 85, a transportation gate 87 and a transportation mountain 104 communicating the working face 101, and a track mountain 89;
as shown in fig. 3 to 8, a preparation system of a coal-electricity integrated three-waste-based foaming material comprises a coal-electricity integrated three-waste-based foaming material generating device, a foaming agent mixed solution supplying device, a foam generating and observing device, a flue gas supplying device and a control console; preferably, the console is an industrial computer;
The foaming agent mixed solution supply device is arranged in a foam preparation chamber 44 under the well and comprises a water-liquid mutual driving unit, a constant-current constant-pressure pump 2 and a foaming agent solution mixing unit; the water-liquid mutual driving unit comprises a first bidirectional piston cylinder 6, a second bidirectional piston cylinder 7 and a plurality of conversion valves; the first bidirectional piston cylinder 6 and the second bidirectional piston cylinder 7 have the same structure, the cylinder barrel is internally provided with a piston which is in sliding sealing fit with the cylinder barrel, the piston divides the inner cavity of the cylinder barrel into two mutually independent rodless cavities, the two rodless cavities are respectively communicated with the outside through a working opening A and a working opening B which are arranged at two ends of the cylinder barrel, the first bidirectional piston cylinder 6 and the second bidirectional piston cylinder 7 are respectively provided with a first displacement sensor 3 and a second displacement sensor 5 which are used for detecting the positions of the respective pistons, the displacement sensors are used for collecting position signals in the pistons of the bidirectional piston cylinder and feeding back to a control console, and the control console judges the positions of the pistons according to the received position signals so as to judge whether the liquid supplementing state and the liquid injecting state are finished or not, so that the control console controls the constant-current or constant-pressure state stable output of the foaming agent mixed solution; the plurality of conversion valves are respectively a first conversion valve V1, a second conversion valve V2, a third conversion valve V3, a fourth conversion valve V4, a fifth conversion valve V5, a sixth conversion valve V6, a seventh conversion valve V7 and an eighth conversion valve V8, the first conversion valve V1, the second conversion valve V2, the third conversion valve V3, the fourth conversion valve V4, the fifth conversion valve V5, the sixth conversion valve V6, the seventh conversion valve V7 and the eighth conversion valve V8 are respectively provided with a working port C and a working port D which are communicated or cut off by control, the working port C of the fourth conversion valve V4 and the working port C of the first conversion valve V1 are mutually communicated and then serve as water inlets of a water-liquid mutual driving unit, the working port D of the fourth conversion valve V4 and the first conversion valve V1 are respectively connected with the working ports A of the first bidirectional piston cylinder 6 and the second bidirectional piston cylinder 7, the working ports D of the fifth conversion valve V5 and the eighth conversion valve V8 are mutually communicated and then serve as outlets of a water-liquid mutual driving unit, and the water outlets are connected with one-way fluid flow meters 13 through electromagnetic flow meters 14 and one-way fluid flow meters 13; the working ports C of the fifth switching valve V5 and the eighth switching valve V8 are respectively connected with the working ports B of the first bidirectional piston cylinder 6 and the second bidirectional piston cylinder 7, the working ports C of the second switching valve V2 and the third switching valve V3 are respectively communicated with the outside air, the working ports D of the second switching valve V2 and the third switching valve V3 are respectively connected with the working ports A of the first bidirectional piston cylinder 6 and the second bidirectional piston cylinder 7, the working ports C of the sixth switching valve V6 and the seventh switching valve V7 are respectively connected with the working ports B of the first bidirectional piston cylinder 6 and the second bidirectional piston cylinder 7, the working ports D of the sixth switching valve V6 and the seventh switching valve V7 are mutually communicated and then serve as liquid inlets of a water-liquid mutual driving unit, the water-liquid mutual driving unit can isolate the acidic foaming agent mixed solution from the constant-current constant-pressure pump 2, can avoid the acidic foaming agent mixed solution from corroding the constant-current constant-pressure constant-current pump 2, and constant-pressure constant-current or constant-pressure output foaming agent mixed solution by matching the constant-current constant-pressure pump 2 and the constant-pressure-charge pump 9; the liquid inlet of the constant-current constant-pressure pump 2 is connected with the bottom of the cold water container 1 through a pipeline, and the liquid outlet of the constant-current constant-pressure pump is connected with the water inlet of the water-liquid mutual driving unit; the foaming agent solution mixing unit comprises a liquid supplementing pump 9, a foaming agent mixed solution storage barrel 10 and a safety valve 8, wherein a liquid inlet of the liquid supplementing pump 9 is connected with the bottom of the foaming agent mixed solution storage barrel 10 through a pipeline, and a liquid outlet of the liquid supplementing pump is connected with a liquid inlet of the water-liquid mutual driving unit through the safety valve 8; the safety valve 8 may protect the foaming agent solution mixing unit by setting a maximum release pressure. The foaming agent mixed solution storage barrel 10 is used for uniformly mixing the added foaming agent and the treated high-salt mine water according to a certain proportion to form a foaming agent mixed solution, and the foaming agent solution mixing unit is used for supplying the foaming agent mixed solution to a liquid inlet of the water-liquid mutual driving unit.
The foam generating and observing device is arranged in a foam preparation chamber 44 which comprises a circulating water bath 15, a novel foamer 20 and a high-speed camera 21; the coil 16 is arranged at one side in the circulating water bath 15, one end of the coil 16 is connected with the other end of the electromagnetic liquid flowmeter A14, and preferably, the coil 16 is made of 304 stainless steel material and has a diameter of 6mm; the novel foamer 20 is arranged inside the circulating water bath 15, the top of the novel foamer 20 is provided with a gas-liquid mixing chamber 40 and an ejection hole 42 for communicating the gas-liquid mixing chamber 40 with the outside, and a transparent vertical observation plane 4 is arranged on one side of the gas-liquid mixing chamber 40; the novel foamer 20 is provided with a liquid path channel 23 positioned at the axle center of the foamer and a plurality of gas path channels 24 distributed around the liquid path channel 23 at the part below the gas-liquid mixing chamber 40, the upper end of the liquid path channel 23 is communicated with the gas-liquid mixing chamber 40, and the lower end of the liquid path channel is connected with the other end of the coil 16; the inner end of the air channel 24 is communicated with the liquid channel 23, and the outer end of the air channel is connected with the air outlet end of the pneumatic connector 38 fixedly connected to the outer side of the novel foaming device 20; the ejection hole 42 is connected with the feeding end of the heat preservation pipeline 52; the high-speed camera 21 is supported on the outer side of the novel foaming device 20, and the lens is aligned to the vertical observation plane 4; the high-speed camera 31 is used for collecting the image data in the gas-liquid mixing chamber 40 in real time and sending the image data to the console in real time; the control console processes the received image data to obtain the size and distribution characteristic parameters of the foam generated in the gas-liquid mixing chamber 40; preferably, the outer side of the pipe wall of the heat preservation pipeline 52 is sequentially coated with an inner tin foil paper layer, a heat preservation asbestos layer and an outer tin foil paper layer.
The flue gas supply device comprises a flue gas desulfurization device 46 and a flue gas compression liquefaction device 47 which are arranged in a flue gas desulfurization compression workshop 45 on the ground, and a flue gas gasification device 53 which is arranged in a downhole flue gas gasification chamber 48; the gas inlet end of the flue gas desulfurization equipment 46 is connected with a power plant flue gas pipeline 77 in the power plant 69, the gas outlet end of the flue gas desulfurization equipment 46 is connected with the gas inlet end of a flue gas compression liquefaction equipment 47, the liquid outlet end of the flue gas compression liquefaction equipment 47 is connected with the liquid inlet end of a flue gas liquid pipeline 75, the liquid outlet end of the flue gas liquid pipeline 75 sequentially passes through a sub-well house 78, a sub-well 79, a bottom-well car yard 85, a transportation stone 86, a transportation roadway 87, a mining area lower car yard 88, a track mountain 89 and a transportation gateway 90 and penetrates into a flue gas gasification chamber 48 to be connected with the gas inlet end of the flue gas gasification equipment 53, the gas outlet end of the flue gas gasification equipment 53 is connected with the gas inlet end of a flue gas channel pipeline 91, an electromagnetic pressure reducing valve 50, a check valve and a vortex gas flowmeter 51 are sequentially connected on the flue gas channel pipeline 91, the gas outlet end of the flue gas channel pipeline 91 is connected with a gas branch A76 and a gas branch B92, and the gas branch A76 penetrates into a three-waste foaming material preparation chamber 80 and is respectively connected with the gas inlet ends of various pneumatic connectors 38 on the novel foaming device 20 through various gas C93 connected therewith; the gas transmission branch B92 extends to the goaf 94 in a buried mode and is closed by a control valve; the electromagnetic pressure reducing valve 50 is used for reducing the pressure of the mixed gas in the gas mixing tank 47 and outputting the mixed gas at a constant flow rate, and the vortex type gas flowmeter 51 is used for calibrating the flow rate; the check valve is used for guaranteeing that the gas path and the liquid path are mutually independent and cannot be mutually influenced.
The coal-electricity integrated three-waste-based foaming material generating device comprises a screw pump 70 and a three-waste-based foaming material mixer 61 which are arranged in a foaming material preparing chamber 80 of a three-waste machine under the well, a mixed slurry stirrer 55 arranged in a coal ash-based mixed slurry preparing chamber 81 on the ground, and a slurry pumping pump 82 and a slurry storage tank 83 which are arranged under the well; the discharging end of the mixed slurry stirrer 55 is connected with the feeding end of a fly ash-based mixed slurry pipeline 84, and the discharging end of the fly ash-based mixed slurry pipeline 84 sequentially passes through an auxiliary well house 78, an auxiliary well 79, a well bottom yard 85, a transportation stone 86, a transportation roadway 87, a lower mining area yard 88, a track mountain 89 and a transportation gate 90 to extend into the slurry storage tank 83; the liquid inlet end of the pulp pumping pump 82 is connected with the bottom of the pulp storage tank 83 through a pipeline, the liquid outlet end of the pulp pumping pump 82 is connected with the feed inlet of the screw pump 70 in the three-waste foaming material preparation chamber 80 through an output pipeline, and is also connected with the weighing device A65 through another output pipeline through a quick switch solenoid valve A62, and the weighing device A65 is arranged in a downhole working surface 101; the discharge port of the screw pump 70 is connected with a feed port of the three-waste-based foaming material mixer 61 through an electromagnetic liquid flowmeter B71; the other feed inlet of the three-waste-based foaming material mixer 61 is connected with the discharge end of the heat preservation pipeline 52 penetrating into the foaming material preparation chamber 80 of the three-waste machine, one output branch of the three-waste-based foaming material mixer 61 is connected with the weighing device B63 through the quick switch solenoid valve B72, the other output branch is connected with the feed end of the three-waste-based foaming material conveying pipeline 95 through the solenoid valve B43 and the vibrating viscometer 64 in sequence, and the discharge end of the three-waste-based foaming material conveying pipeline 95 extends to the goaf 94; the vibration viscometer 64 can measure the viscosity data of the three-waste-based foaming material and feed back the viscosity data to the control console, wherein the measurement principle is to measure the amplitude change of the vibration sensor in the liquid, calculate the resistance of the liquid, calculate the viscosity of the liquid and feed back to the control console, and the viscosity data belongs to dynamic measurement, wherein the influence of the mutual offset of two sensor discs makes the viscosity data possible to measure the viscosity of a flowing sample, which is an advantage compared with the traditional viscometer.
The control console is respectively connected with a constant-current constant-pressure pump 2, an electromagnetic liquid flowmeter A14, a first conversion valve V1, a second conversion valve V2, a third conversion valve V3, a fourth conversion valve V4, a fifth conversion valve V5, a sixth conversion valve V6, a seventh conversion valve V7 and an eighth conversion valve V8, a first displacement sensor 3, a second displacement sensor 5, a high-speed camera 21, a vacuum pump, a gas chromatograph, an electromagnetic valve A, an electromagnetic pressure reducing valve 50, a quick switching electromagnetic valve A62, a quick switching electromagnetic valve B72 and a vibrating viscometer 64.
Preferably, the cylinder barrels of the first bidirectional piston cylinder 6 and the second bidirectional piston cylinder 7 are made of 403 stainless steel.
Preferably, the control process of the first switching valve V1 to the second switching valve V8 is: and (3) liquid supplementing stage: the control console controls the liquid supplementing pump 9 to work to reversely push the foaming agent mixed solution into the two bidirectional piston cylinders of the first bidirectional piston cylinder 6 and the second bidirectional piston cylinder 7, and at the moment, the control console controls the switching valve to act, and the state of the specific switching valve is as follows: the sixth switching valve V6, the seventh switching valve V7, the second switching valve V2 and the third switching valve V3 are opened, the other switching valves are closed, the pistons in the two piston cylinders reach the upper ends, after the first displacement sensor 3 and the second displacement sensor 5 sense that the pistons reach the upper ends, a fluid replacement completion signal is sent to the control console, the control console receives the fluid replacement completion signal and then controls the fluid replacement pump 9 to stop working and controls the constant-current constant-pressure pump 2 to work, meanwhile, the switching valves are controlled to act, and the specific switching valve states are as follows: the fourth and eighth switching valves V4 and V8 are opened, the third and seventh switching valves V3 and V7 are closed, and at this time, the liquid in the cold water container 1 pumped by the constant-flow constant-pressure pump 2 is supplied to the rodless cavity at one end of the first bidirectional piston cylinder 6, so as to push the foaming agent mixed solution in the other rodless cavity of the first bidirectional piston cylinder 6 to the coil 16, and the second bidirectional piston cylinder 7 is in a waiting state in the process. After the first bidirectional piston cylinder 6 finishes liquid injection, the piston of the first bidirectional piston cylinder is at the lower end, the first displacement sensor 3 senses that the piston reaches the lower end, and then sends a liquid injection completion signal to the control console, and the control console controls the action of the switching valve after receiving the liquid injection completion signal sent by the first displacement sensor 3, wherein the state of the switching valve is as follows: the fourth switching valve V4, the eighth switching valve V8, the second switching valve V2 and the sixth switching valve V6 are closed, the third switching valve V3, the seventh switching valve V7, the first switching valve V1 and the fifth switching valve V5 are closed, meanwhile, the liquid supplementing pump 9 is controlled to work to supplement liquid to the first bidirectional piston cylinder 6, and the second bidirectional piston cylinder 7 is continuously injected, in the process, the liquid supplementing speed of the liquid supplementing pump 9 is controlled by a control console to be faster than the liquid injection speed of the constant-current constant-pressure pump 2, and the liquid supplementing process of the first bidirectional piston cylinder 6 is finished before the liquid injection process of the second bidirectional piston cylinder 7. The first bidirectional piston cylinder 6 is completed in fluid infusion, and is in a standby state, and the first bidirectional piston cylinder 6 and the second bidirectional piston cylinder 7 are alternately infused to ensure stable output of constant current or constant pressure according to the same principle.
The foaming agent mixed solution is injected into the novel foaming device 20 through the coil 16 under the action of the water-liquid mutual driving unit, the coil 16 is placed into the circulating water bath 15, the temperature of the foaming agent mixed solution injected into the novel foaming device 20 can be ensured to be within a set range, and therefore the foaming efficiency can be effectively improved, and the foaming time can be effectively shortened.
In operation, the console controls the quick switch solenoid A62 to openSecond, in->Second in-filling volume into the scale A65Mixed slurry material of V, weight of the mixed slurry material by weighing machine A65>Weighing is carried out and feedback is given to the control console. Control desk controls fast switch solenoid valve B72 to open +.>Second, in->Three-waste-based foaming material with the volume V is injected into the weighing device B63 in seconds, and the weight of the three-waste-based foaming material is +.>Weigh and give the console. Since grand-gap = ((true relative density-apparent relative density)/true relative density)% density = weight/volume, grand-gap = (1-P) in the same volume, where%>Thus, the control console calculates the average value of the weighing data of the weighing device A65 and the weighing device B63 according to the weighing data in a plurality of periods of time, and the ratio of the average value to the weighing data is +.>The porosity in the three-waste-based foaming material can be reflected initially. The console displays the real-time grand gap obtained in real time through a display module connected with the console. As a preferred aspect, the capacities of the weighing cell a65 and the weighing cell B63 are the same, but of course, the weighing cell a65 and the weighing cell B63 may be the same model, so that the capacities are necessarily the same, and the weighing accuracy is more similar.
The constant-current constant-pressure pump 2 is a plunger type double-cylinder pump, and the output parameter of the constant-current constant-pressure pump is 0-500 ml/min constant-current liquid or 0-150 MPa constant-pressure liquid; the model of the high-speed camera 21 is Phantom Miro LC series, has the functions of image capturing and photographing, and has a resolution of 1920 x 1200@1380 frames/second. The high-speed camera 21 is used for shooting the whole foam generation process in the gas-liquid mixing chamber 40 in the novel foaming device 20, image data shot by the high-speed camera 21 is transmitted to the control console in real time, the control console can study the size and distribution characteristics of the foam under different conditions through image recognition and analysis software after receiving the image data, and analysis results and data can be displayed in real time through a display module connected with the control console.
The coil 16 is supported longitudinally inside the circulating water bath 15 by a coil support 17.
The circulating water bath 15 comprises a temperature sensor 18, a heating rod 19, a temperature controller 22 and a circulating pump, wherein the temperature sensor 18 and the heating rod 19 are arranged in the circulating water bath 15, the temperature sensor 18 is connected with the temperature controller 22 arranged outside the circulating water bath 15 and used for feeding back the internal temperature of the circulating water bath 15, and as one preferable mode, the temperature sensor 18 adopts a temperature thermocouple PT100, the temperature controller 22 is connected with the heating rod 19 and used for controlling the heating power of the heating rod 19 according to the fed back internal temperature; the liquid inlet of the circulating pump is communicated with the bottom of the circulating water bath 15 through a pipeline, and the liquid outlet of the circulating pump is communicated with the upper part of the circulating water bath 15 through a pipeline.
The gas-liquid mixing chamber 40 is also fixedly connected with a baffle 41 which is obliquely arranged, the baffle 41 is positioned right above the liquid path channel 23, and one end of the baffle 41, which is close to the spraying hole 42, is lower than one end which is far away from the spraying hole 42.
Two necking sections 39 are arranged at intervals on one section of the upper part of the liquid channel 23, the two necking sections 39 are respectively positioned above and below the inner end of the gas channel 24, the necking sections 39 are in smooth transition upwards and downwards, and the included angle between the transition section of the necking sections 39 and the flow direction of the liquid channel is between 90 degrees and 150 degrees, so that high-pressure flue gas jet can be ensured to enter the liquid channel 23 and completely impact the foaming agent mixed solution, and the gas and the liquid can be fully mixed.
The constriction sections 39 are arranged according to the venturi effect, and the gas outlet end of the gas path channel 24 is located between the two constriction sections 39 and is angled to shear the liquid downwards, so that sufficient mixing of the gas and liquid in the liquid path channel 23 is ensured and complete turbulence is achieved.
As shown in fig. 3 to 8, for convenience of assembly and maintenance, the novel foamer 20 is composed of a mixture 11, an ejector a27, an ejector B31 and a bottom supporter which are sequentially distributed in a longitudinal direction; like this, if appear blocking up etc. trouble can dismantle and pertinently change a certain part fast, do not need whole change, practiced thrift the cost, simultaneously, also made things convenient for the washing to blowout part, and each part can be processed alone, reduced the degree of difficulty of whole manufacturing, this novel foamer 20 has overcome the difficult shortcoming such as clearance of traditional foamer.
The gas-liquid mixing chamber 40 is arranged in the mixing body 11, the vertical observation plane 4 is arranged on one side of the upper part of the mixing body 11, and the spraying hole 42 is arranged on one side of the top of the mixing body 11 and is positioned above the vertical observation plane 4;
the spraying body A27 is of a step structure consisting of a large-diameter section 28 positioned at the upper end and a small-diameter section 67 positioned below the large-diameter section 28, the spraying body A27 is provided with a first liquid path 73 which is axially communicated with the spraying body A27, a plurality of first air paths 35 communicated with the first liquid path 73 are arranged on the outer side of the first liquid path 73, the first air paths 35 are provided with an inclined section positioned on the inner side and a horizontal section positioned on the outer side, the inclined sections are arranged in a high-low inclined manner, and the included angles between the inclined sections of the plurality of first air paths 35 and the axial lead of the spraying body A27 are different; at least one positioning block 30 is arranged on the outer side of the upper part of the small-diameter section 67, and a connecting lug A12 with external threads is arranged in the center of the lower end of the small-diameter section 67;
a bearing groove 32 matched with the small-diameter section 67 of the spraying body A27 is formed in the axis of the upper part of the spraying body B31, and a connecting groove 33 with internal threads is formed in the center of the bottom of the bearing groove 32; the spraying body B31 is provided with a positioning ring groove 49 corresponding to the positioning block 30 at the outer side of the upper part of the bearing groove 32, a guide vertical groove 54 extending to the upper end surface of the spraying body B31 is arranged at the part above the positioning ring groove 49, a plurality of second air channels 37 corresponding to the first air channels 35 are also arranged at the radial direction of the outer side of the upper part of the bearing groove 32, and the second air channels 37 are communicated with the bearing groove 32 and the outer part of the spraying body B31; the pneumatic connector 38 is fixedly connected to the outer surface of the spraying body B31 and is communicated with the outer end of the corresponding second air channel 37; the center of the lower end of the spraying body B31 is connected with the circular chuck 25 through the cylindrical extension part 66, in order to effectively reduce friction force, the edge of the circular chuck 25 is provided with the ball 26, the ball 26 can reduce friction force between the circular chuck 25 and the base 34, the adjusting process is smoother, the angle of the spraying body B31 relative to the base 34 can be conveniently adjusted, and the spraying direction of the spraying hole 42 can be adjusted.
The ejection body B31 has a second liquid passage 29 extending to the lower end surface of the extension 66 at the bottom center of the connection groove 33;
the bottom support body comprises a base 34 and two base sealing plates 74, a transverse sliding groove 68 which is in an inverted T shape and is used for the circular chuck 25 and the extension part 66 to slide through is arranged in the middle of the base 34, a connecting lug B36 with external threads is arranged at the center of the lower end of the base 34, and a third liquid path is arranged between the bottom of the transverse sliding groove 68 and the lower end surface of the connecting lug B36 of the base 34; the setting of base can make things convenient for the change of novel foamer blowout hole position, simultaneously, can also make things convenient for this novel foamer installation on different positions.
The circular chuck 25 is matched with the base 34 in a clamping way, so that the novel foamer 20 can be conveniently and fixedly installed;
the upper end surface of the large-diameter section 28 is fixedly connected with the lower end surface of the mixture 11, and the upper end of the first liquid path 73 is communicated with the gas-liquid mixing chamber 40; the small-diameter section 67 is inserted into the bearing groove 32, the connecting projection A12 is connected with the connecting groove 33 through threaded fit, the large-diameter section 28 is connected with the upper end surface of the spraying body B31 through bolts, the positioning block 30 longitudinally penetrating through the guide vertical groove 54 is in limit fit with the positioning ring groove 49, the outer end of the first air channel 35 and the inner end of the second air channel 37 are correspondingly and through connected, and the lower end of the first liquid channel 73 and the upper end of the second liquid channel 29 are correspondingly and through connected; the circular chuck 25 slides into the transverse chute 68, and the upper end of the third air passage is connected with the lower end of the second liquid passage 29 in a penetrating way; two base seal plates 74 are oppositely plugged at two ends of the transverse chute 68 and fixedly connected with the base 34 by bolts; the connection projection B36 is connected to the bottom of the circulation water bath 15 by screw-fitting to vertically support the novel foamer 20 inside the circulation water bath 15.
During installation, the positioning blocks 30 are aligned with the guide vertical grooves 54 respectively, the positioning blocks 30 enter the positioning ring grooves 49 along the guide vertical grooves 54 so that the spraying body A27 is matched and seated on the bearing grooves 32 along the central axis direction of the spraying body B31, and then the spraying body A27 is rotated so that the positioning blocks 30 move in the positioning ring grooves 49, so that the spraying body A27 and the spraying body B31 are conveniently connected and fixed together.
In order to ensure good sealing performance between the ejection body a27 and the ejection body B31, sealing gaskets are arranged between the lower end surface of the large-diameter end 28 and the upper end surface of the ejection body B31, and between the connecting projection a12 and the connecting groove 33; because the sealing gasket has a certain thickness, the pretightening force can be provided after the sealing gasket is fastened, so that gas or liquid can not leak to the connection part between the ejection body A and the ejection body B.
The air passage 24 is formed by a first air passage 35 and a second air passage 37 which are communicated, and the liquid passage 23 is formed by a first liquid passage 73, a second liquid passage 29 and a third liquid passage which are communicated in sequence.
The novel foamer 20 is composed of a plurality of split parts, is convenient to assemble and maintain, can be quickly disassembled and can be purposefully replaced if faults such as blockage occur, does not need to be replaced integrally, and saves cost; the cleaning of each part can be facilitated; and each part can be processed independently, the difficulty of integral manufacture is reduced, and the novel foamer 20 overcomes the defects of difficult cleaning and the like of the traditional foamer.
The screw pump 70 includes a servo motor cylinder 56, an output end of the servo motor cylinder 56 is connected to one end of a screw shaft 59 through a connecting shaft 57 and a universal joint 58, and the screw shaft 59 is rotatably provided in a bushing 60. In operation of the screw pump 70, the screw 59 rotates on its own axis and on the other hand it rolls along the inner surface of the bushing 60, thus forming a sealed chamber of the pump. The liquid in the seal cavities of the bushing 60 advances one pitch per revolution of the screw 59, and as the screw 59 continues to rotate, the liquid is urged from one seal cavity to the other in a spiral fashion, eventually squeezing out the pump body. The screw pump 70 outputs a constant flow of the mixed slurry material, controls the rotation speed through the servo electric cylinder 56, measures the outlet flow by using the electromagnetic liquid flowmeter B71 for flow rate calibration, and the electromagnetic liquid flowmeter B71 simultaneously feeds back the flow rate to the control console.
As shown in fig. 9, the invention also provides a method for using the coal-electricity integrated three-waste-based foaming material preparation system, which specifically comprises the following steps:
step one: the flue gas discharged by the power plant 69 is captured by a flue gas pipeline 77 of the power plant, and the flue gas is subjected to desulfurization and compression treatment sequentially through a flue gas desulfurization device 46 and a flue gas compression liquefaction device 47 in a flue gas desulfurization compression workshop 45, so as to form flue gas liquid;
High-salt mine water pumped to the ground by a mine shaft bottom water bin is conveyed to a high-salt mine water treatment workshop 96 for treatment to form treated high-salt mine water, and is conveyed to a fly ash-based mixed slurry preparation workshop 81; using a transport vehicle to transport fly ash produced by power plant 69 into fly ash-based mixed slurry compartment 81; placing cement, treated high-salt mine water and fly ash into a mixed slurry stirrer 55 for uniform stirring to prepare mixed slurry;
step two: the flue gas liquid pipeline 75 is utilized to sequentially pass through an auxiliary well house 78, an auxiliary well 79, a shaft bottom car yard 85, a transportation stone 86, a transportation main lane 87, a lower car yard 88 of a mining area, a track mountain 89 and a transportation gateway 90 to be input into the flue gas gasification equipment 53 in the flue gas gasification chamber 48;
the mixed slurry is sequentially input into a slurry storage tank 83 through an auxiliary well house 78, an auxiliary well 79, a well bottom car yard 85, a transportation stone 86, a transportation roadway 87, a lower car yard 88 of a mining area, a track mountain 89 and a transportation gateway 90 by utilizing a fly ash-based mixed slurry pipeline 84;
step three: gasifying the smoke liquid by using smoke gasifying equipment 53, and decompressing the gasified smoke gas to a set pressure through a smoke gas path pipeline 91 and outputting the gasified smoke gas;
Step four: setting the temperature of the circulating water bath 15 and preheating the novel foamer 20 and the coil 16;
fully and uniformly mixing the foaming agent and the treated high-salt mine water in a foaming agent mixed solution storage barrel 10 to form a foaming agent mixed solution, and conveying the foaming agent mixed solution into a liquid path channel 23 of the novel foaming device 20 through a coil 16 by constant flow of a water-liquid mutual driving unit; meanwhile, a part of flue gas output by the flue gas channel pipeline 91 is supplied to the gas channel 24 of the novel foamer 20 through the gas transmission branch C93 by utilizing the gas transmission branch A76 to prepare foam;
step five: the foam material output by the spray holes 42 of the novel foaming device 20 is conveyed into the three-waste-based foam material mixer 61 in the three-waste-machine foaming material preparation chamber 80 through the heat preservation pipeline 52;
the mixed slurry in the slurry storage tank 83 is input into the screw pump 70 by the slurry pump 82, and then the mixed slurry is conveyed into the three-waste-based foaming material mixer 61 by the screw pump 70;
the foam material and the mixed slurry are fully and uniformly mixed by a three-waste-based foam material mixer 61 to prepare three-waste-based foam materials;
step six: preprocessing the self-roof area 98 in the goaf 94 to make the surface of the self-roof area in a flat state; a goaf plugging air filling bag 97 with proper size is sewn according to the height distance between the broken rock mass of the top plate and the bottom plate of the self-roof-connecting area 98, the distance between two roadway sides, the length distance required to be filled along the advancing direction and the outline state of the roadway section; three-waste-based foaming materials are injected into the lower space of the goaf plugging air filling bag 97 through the three-waste-based foaming material conveying pipeline 95, then a bracket for supporting the goaf plugging air filling bag 97 is erected in the self-jacking area 98, three-waste-based foaming materials are injected into the upper space of the goaf plugging air filling bag 97 through the three-waste-based foaming material conveying pipeline 95, and then the goaf plugging air filling bag 97 is completely closed so that the foaming materials spontaneously expand and contact with the top plate of the self-jacking area 98; after the goaf plugging air filling bag 97 is fully foamed, plugging the two sides of the goaf 94, and after the three-waste-based foaming material is completely solidified, removing the bracket;
Step seven: continuously injecting the three-waste-based foaming material into the goaf 94 through the three-waste-based foaming material mixer 61; and (3) opening a control valve at the air outlet end of the air delivery branch B92, injecting flue gas into the goaf 94, sealing and storing the fixed waste and the gas waste, and covering goaf residual coal.
Claims (3)
1. The preparation system of the coal-electricity integrated three-waste-based foaming material comprises a coal-electricity integrated three-waste-based foaming material generation device and is characterized by further comprising a foaming agent mixed solution supply device, a foam generation and observation device, a flue gas supply device and a control console;
the foaming agent mixed solution supply device is arranged in a foam preparation chamber (44) under the well and comprises a water-liquid mutual driving unit, a constant-flow constant-pressure pump (2) and a foaming agent solution mixing unit; the water-liquid mutual driving unit comprises a first bidirectional piston cylinder (6), a second bidirectional piston cylinder (7) and a plurality of conversion valves; the first bidirectional piston cylinder (6) and the second bidirectional piston cylinder (7) have the same structure, the cylinder barrel is internally provided with a piston which is in sliding sealing fit with the cylinder barrel, the piston divides the inner cavity of the cylinder barrel into two mutually independent rodless cavities, the two rodless cavities are respectively communicated with the outside through a working port A and a working port B which are arranged at two ends of the cylinder barrel, and the first bidirectional piston cylinder (6) and the second bidirectional piston cylinder (7) are respectively provided with a first displacement sensor (3) and a second displacement sensor (5) which are used for detecting the positions of the respective pistons; the plurality of switching valves are respectively a first switching valve (V1), a second switching valve (V2), a third switching valve (V3), a fourth switching valve (V4), a fifth switching valve (V5), a sixth switching valve (V6), a seventh switching valve (V7) and an eighth switching valve (V8), the working ports of the first switching valve (V1), the second switching valve (V2), the third switching valve (V3), the fourth switching valve (V4), the fifth switching valve (V5), the sixth switching valve (V6), the seventh switching valve (V7) and the eighth switching valve (V8) are respectively provided with a working port C and a working port D which are communicated or cut-off through control, the working ports C of the fourth switching valve (V4) and the first switching valve (V1) are mutually communicated and then serve as water inlets of a water liquid mutual driving unit, the working ports D of the fourth switching valve (V4) and the first switching valve (V1) are respectively connected with the working ports A of the first bidirectional piston cylinder (6) and the second bidirectional piston cylinder (7), and the working ports A of the fifth switching valve (V5) and the eighth switching valve (V8) are mutually communicated and serve as water inlets of a mutual driving unit through a flow meter (13); the working ports C of the fifth switching valve (V5) and the eighth switching valve (V8) are respectively connected with the working ports B of the first bidirectional piston cylinder (6) and the second bidirectional piston cylinder (7), the working ports C of the second switching valve (V2) and the third switching valve (V3) are communicated with outside air, the working ports D of the second switching valve (V2) and the third switching valve (V3) are respectively connected with the working ports A of the first bidirectional piston cylinder (6) and the second bidirectional piston cylinder (7), the working ports C of the sixth switching valve (V6) and the seventh switching valve (V7) are respectively connected with the working ports B of the first bidirectional piston cylinder (6) and the second bidirectional piston cylinder (7), and the working ports D of the sixth switching valve (V6) and the seventh switching valve (V7) are mutually communicated and then serve as liquid inlets of the water liquid mutual driving unit; the liquid inlet of the constant-current constant-pressure pump (2) is connected with the bottom of the cold water container (1) through a pipeline, and the liquid outlet of the constant-current constant-pressure pump is connected with the water inlet of the water-liquid mutual driving unit; the foaming agent solution mixing unit comprises a liquid supplementing pump (9), a foaming agent mixed solution storage barrel (10) and a safety valve (8), wherein a liquid inlet of the liquid supplementing pump (9) is connected with the bottom of the foaming agent mixed solution storage barrel (10) through a pipeline, and a liquid outlet of the liquid supplementing pump is connected with a liquid inlet of the water-liquid mutual driving unit through the safety valve (8);
The foam generating and observing device is arranged in a foam preparation chamber (44) under the well and comprises a circulating water bath (15), a novel foamer (20) and a high-speed camera (21); the coil pipe (16) is arranged at one side of the interior of the circulating water bath (15), and one end of the coil pipe (16) is connected with the other end of the electromagnetic liquid flowmeter A (14); the novel foaming device (20) is arranged inside the circulating water bath (15), a gas-liquid mixing chamber (40) and a spraying hole (42) for communicating the gas-liquid mixing chamber (40) with the outside are formed in the top of the novel foaming device (20), and a transparent vertical observation plane (4) is formed in one side of the gas-liquid mixing chamber (40); the novel foaming device (20) is provided with a liquid path channel (23) positioned at the axis of the novel foaming device and a plurality of gas path channels (24) distributed around the liquid path channel (23) at the part below the gas-liquid mixing chamber (40), the upper end of the liquid path channel (23) is communicated with the gas-liquid mixing chamber (40), and the lower end of the liquid path channel is connected with the other end of the coil (16); the inner end of the air channel (24) is communicated with the liquid channel (23), and the outer end of the air channel is connected with the air outlet end of a pneumatic connector (38) fixedly connected to the outer side of the novel foaming device (20); the spraying hole (42) is connected with the feeding end of the heat preservation pipeline (52); the high-speed camera (21) is supported on the outer side of the novel foaming device (20), and the lens is aligned to the vertical observation plane (4);
The flue gas supply device comprises flue gas desulfurization equipment (46) and flue gas compression liquefaction equipment (47) which are arranged in a flue gas desulfurization compression workshop (45) on the ground, and flue gas gasification equipment (53) which is arranged in a downhole flue gas gasification chamber (48); the gas inlet end of the flue gas desulfurization equipment (46) is connected with a power plant flue gas pipeline (77) in a power plant (69), the gas outlet end of the flue gas desulfurization equipment (46) is connected with the gas inlet end of a flue gas compression liquefaction equipment (47), the liquid outlet end of the flue gas compression liquefaction equipment (47) is connected with the liquid inlet end of a flue gas liquid pipeline (75), the liquid outlet end of the flue gas liquid pipeline (75) sequentially passes through a sub-well house (78), a sub-well (79), a bottom car yard (85), a transportation stone door (86), a transportation main roadway (87), a mining area lower car yard (88), a track mountain (89) and a transportation straight line (90) and penetrates into a flue gas gasification chamber (48) to be connected with the gas inlet end of the flue gas gasification equipment (53), the gas outlet end of the flue gas gasification equipment (53) is sequentially connected with the gas inlet end of a flue gas circuit pipeline (91), the gas circuit pipeline (91) is sequentially connected with an electromagnetic pressure reducing valve (50), a check valve and a vortex gas flowmeter (51), the gas outlet end of the flue gas circuit pipeline (91) is connected with a gas delivery A (76) and a gas delivery branch B (92), and the gas delivery branch A (76) penetrates into each novel foam material inlet end (38) of a foam combustor (38) of the foam combustor (20) respectively; the gas transmission branch B (92) extends to the goaf (94) in a buried mode and is closed by a control valve;
The coal-electricity integrated three-waste-based foaming material generating device comprises a screw pump (70) and a three-waste-based foaming material mixer (61) which are arranged in a foaming material preparing chamber (80) of a three-waste machine under the well, a mixed slurry stirrer (55) arranged in a coal ash-based mixed slurry preparing workshop (81) on the ground, and a slurry pumping pump (82) and a slurry storage tank (83) which are arranged under the well; the discharging end of the mixed slurry stirrer (55) is connected with the feeding end of a fly ash-based mixed slurry pipeline (84), and the discharging end of the fly ash-based mixed slurry pipeline (84) sequentially penetrates through an auxiliary well house (78), an auxiliary well (79), a well bottom car yard (85), a transportation stone door (86), a transportation main roadway (87), a mining area lower car yard (88), a track mountain (89) and a transportation gate way (90) to extend into a slurry storage tank (83); the liquid inlet end of the pulp pumping pump (82) is connected with the bottom of the pulp storage tank (83) through a pipeline, the liquid outlet end of the pulp pumping pump is connected with the feed inlet of a screw pump (70) in a three-waste foaming material preparation chamber (80) through an output pipeline, and the pulp pumping pump is also connected with a weighing device A (65) through another output pipeline through a quick switch solenoid valve A (62), and the weighing device A (65) is arranged in a downhole working surface (101); the discharge port of the screw pump (70) is connected with one feed port of the three-waste-based foaming material mixer (61) through an electromagnetic liquid flowmeter B (71); the other feed inlet of the three-waste-based foaming material mixer (61) is connected with the discharge end of a heat preservation pipeline (52) penetrating into a foaming material preparation chamber (80) of the three-waste-based foaming material machine, one output branch of the three-waste-based foaming material mixer (61) is connected with a weighing device B (63) through a quick switch electromagnetic valve B (72), the other output branch is connected with the feed end of a three-waste-based foaming material conveying pipeline (95) through an electromagnetic valve B (43) and a vibrating viscometer (64) in sequence, and the discharge end of the three-waste-based foaming material conveying pipeline (95) extends to a goaf (94);
The control console is respectively connected with a constant-current constant-pressure pump (2), an electromagnetic liquid flowmeter A (14), a first switching valve (V1), a second switching valve (V2), a third switching valve (V3), a fourth switching valve (V4), a fifth switching valve (V5), a sixth switching valve (V6), a seventh switching valve (V7) and an eighth switching valve (V8), a first displacement sensor (3), a second displacement sensor (5), a high-speed camera (21), a vacuum pump, a gas chromatograph, an electromagnetic valve A, an electromagnetic pressure reducing valve (50), a quick switching electromagnetic valve A (62), a quick switching electromagnetic valve B (72) and a vibrating viscometer (64);
the constant-current constant-pressure pump (2) is a plunger type double-cylinder pump, and the output parameter of the constant-current constant-pressure pump is 0-500 ml/min constant-current liquid or 0-150 MPa constant-pressure liquid; the model of the high-speed camera (21) is Phantom Miro LC series;
the coil (16) is longitudinally supported in the circulating water bath (15) through a coil support frame (17);
the circulating water bath (15) comprises a temperature sensor (18), a heating rod (19), a temperature controller (22) and a circulating pump, wherein the temperature sensor (18) and the heating rod (19) are arranged in the circulating water bath (15), the temperature sensor (18) is connected with the temperature controller (22) arranged outside the circulating water bath (15) and used for feeding back the internal temperature of the circulating water bath (15), and the temperature controller (22) is connected with the heating rod (19) and used for controlling the heating power of the heating rod (19) according to the fed-back internal temperature; the liquid inlet of the circulating pump is communicated with the bottom of the circulating water bath (15) through a pipeline, and the liquid outlet of the circulating pump is communicated with the upper part of the circulating water bath (15) through a pipeline;
A baffle plate (41) which is obliquely arranged is fixedly connected in the gas-liquid mixing chamber (40), the baffle plate (41) is positioned right above the liquid path channel (23), and one end of the baffle plate (41) close to the spraying hole (42) is lower than one end far away from the spraying hole (42);
two necking sections (39) are arranged at intervals on one section of the upper part of the liquid path channel (23), the two necking sections (39) are respectively positioned above and below the inner end of the gas path channel (24), and the necking sections (39) are smoothly transited upwards and downwards;
the novel foaming device (20) consists of a mixture (11), an ejector A (27), an ejector B (31) and a bottom support body which are longitudinally and sequentially distributed;
the gas-liquid mixing chamber (40) is arranged in the mixing body (11), the vertical observation plane (4) is arranged on one side of the upper part of the mixing body (11), and the spraying hole (42) is arranged on one side of the top of the mixing body (11) and is positioned above the vertical observation plane (4);
the spraying body A (27) is of a stepped structure consisting of a large-diameter section (28) positioned at the upper end and a small-diameter section (67) positioned below the large-diameter section (28), the spraying body A (27) is provided with a first liquid path (73) which is axially communicated, a plurality of first air paths (35) communicated with the first liquid path (73) are arranged on the outer side of the first liquid path (73), the first air paths (35) are provided with inclined sections positioned on the inner side and horizontal sections positioned on the outer side, the inclined sections are arranged in a high-low inclined manner, and the inclined sections of the plurality of first air paths (35) are different from the axial lead of the spraying body A (27); at least one positioning block (30) is arranged on the outer side of the upper part of the small-diameter section (67), and a connecting lug A (12) with external threads is arranged in the center of the lower end of the small-diameter section (67);
A bearing groove (32) matched with the small-diameter section (67) of the spraying body A (27) is formed in the axis of the upper part of the spraying body B (31), and a connecting groove (33) with internal threads is formed in the center of the bottom of the bearing groove (32); the ejection body B (31) is provided with a positioning ring groove (49) corresponding to the positioning block (30) at the outer side of the upper part of the bearing groove (32), a guide vertical groove (54) extending to the upper end surface of the ejection body B (31) is arranged at the part above the positioning ring groove (49), a plurality of second air channels (37) corresponding to the first air channels (35) are arranged at the radial direction of the outer side of the upper part of the bearing groove (32), and the second air channels (37) are communicated with the outer parts of the bearing groove (32) and the ejection body B (31); the pneumatic connector (38) is fixedly connected to the outer surface of the ejection body B (31) and is communicated with the outer end of the corresponding second air channel (37); the center of the lower end of the ejection body B (31) is connected with a circular chuck (25) through a cylindrical extension part (66); the ejection body B (31) is provided with a second liquid path (29) extending to the lower end surface of the extension part (66) at the bottom center of the connecting groove (33);
the bottom support body comprises a base (34) and two base sealing plates (74), a transverse sliding groove (68) which is in an inverted T shape and is used for a circular chuck (25) and an extension part (66) to slide through is arranged in the middle of the base (34), a connecting lug B (36) with external threads is arranged at the center of the lower end of the base (34), and a third liquid path is arranged between the bottom of the transverse sliding groove (68) and the lower end face of the connecting lug B (36);
The upper end face of the large-diameter section (28) is fixedly connected with the lower end face of the mixture (11), and the upper end of the first liquid path (73) is in through connection with the gas-liquid mixing chamber (40); the small-diameter section (67) is inserted into the bearing groove (32), the connecting convex block A (12) is connected with the connecting groove (33) through threaded fit, the large-diameter section (28) is connected with the upper end face of the ejection body B (31) through bolts, the positioning block (30) longitudinally penetrating through the guide vertical groove (54) is in limit fit with the positioning ring groove (49), the outer end of the first air channel (35) is correspondingly and through-connected with the inner end of the second air channel (37), and the lower end of the first liquid channel (73) is correspondingly and through-connected with the upper end of the second liquid channel (29); the circular chuck (25) slides into the transverse chute (68), and the upper end of the third air passage is communicated with the lower end of the second liquid passage (29); the two base sealing plates (74) are oppositely plugged at two ends of the transverse chute (68) and are fixedly connected with the base (34) through bolts; the connecting lug B (36) is connected to the bottom of the circulating water bath (15) through screw thread fit;
the air channel (24) is formed by a first air channel (35) and a second air channel (37) which are communicated with each other, and the liquid channel (23) is formed by a first liquid channel (73), a second liquid channel (29) and a third liquid channel which are sequentially communicated with each other;
The console is an industrial computer.
2. The system for preparing the coal-to-electricity integrated three-waste-based foaming material according to claim 1, wherein the screw pump (70) comprises a servo electric cylinder (56), an output end of the servo electric cylinder (56) is connected with one end of a screw shaft (59) through a connecting shaft (57) and a universal joint (58), and the screw shaft (59) is rotatably arranged in a bushing (60).
3. A method of using the coal and electricity integrated three-waste-based foam material preparation system according to claim 2, comprising the steps of:
step one: capturing flue gas exhausted by a power plant (69) by utilizing a flue gas pipeline (77) of the power plant, and desulfurizing and compressing the flue gas sequentially through a flue gas desulfurization device (46) and a flue gas compression liquefaction device (47) in a flue gas desulfurization compression workshop (45) to form flue gas liquid;
high-salt mine water pumped to the ground by a mine shaft bottom water bin is conveyed to a high-salt mine water treatment workshop (96) for treatment to form treated high-salt mine water, and is conveyed to a fly ash-based mixed slurry preparation workshop (81); using a transport vehicle to transport fly ash generated by a power plant (69) to a fly ash-based mixed slurry preparation shop (81); cement, treated high-salt mine water and fly ash are put into a mixed slurry stirrer (55) to be uniformly stirred to prepare mixed slurry;
Step two: the flue gas liquid pipeline (75) is utilized to sequentially pass through an auxiliary well house (78), an auxiliary well (79), a shaft bottom car yard (85), a transportation stone door (86), a transportation main roadway (87), a lower car yard (88) of a mining area, a rail mountain (89) and a transportation cis trough (90) to be input into a flue gas gasification device (53) in a flue gas gasification chamber (48);
the mixed slurry is sequentially input into a slurry storage tank (83) through an auxiliary well house (78), an auxiliary well (79), a shaft bottom car yard (85), a transportation stone door (86), a transportation main roadway (87), a mining area lower car yard (88), a track mountain (89) and a transportation cis-slot (90) by utilizing a fly ash-based mixed slurry pipeline (84);
step three: gasifying the smoke liquid by using smoke gasifying equipment (53), and decompressing the gasified smoke gas to a set pressure through a smoke gas path pipeline (91) and outputting the gasified smoke gas;
step four: setting the temperature of the circulating water bath (15) and preheating the novel foamer (20) and the coil (16);
fully and uniformly mixing a foaming agent and treated high-salt mine water in a foaming agent mixed solution storage barrel (10) to form a foaming agent mixed solution, and conveying the foaming agent mixed solution into a liquid path channel (23) of a novel foaming device (20) through a coil (16) by constant flow of a water-liquid mutual driving unit; meanwhile, a part of flue gas output by the flue gas channel pipeline (91) is supplied to a gas channel (24) of the novel foaming device (20) through a gas transmission branch C (93) by utilizing a gas transmission branch A (76) to prepare foam;
Step five: the foam material output by the spray holes (42) of the novel foaming device (20) is conveyed into a three-waste-based foam material mixer (61) in a three-waste-machine foam material preparation chamber (80) through a heat preservation pipeline (52);
the mixed slurry in the slurry storage tank (83) is input into the screw pump (70) by utilizing the slurry pumping pump (82), and then the mixed slurry is conveyed into the three-waste-based foaming material mixer (61) by utilizing the screw pump (70);
fully and uniformly mixing the foam material and the mixed slurry through a three-waste-based foam material mixer (61) to prepare the three-waste-based foam material;
step six: preprocessing a self-roof-connecting region (98) in the goaf (94) to enable the surface of the self-roof-connecting region to be in a flat state; a goaf leaking stoppage air filling bag (97) with proper size is sewn according to the height distance between the broken rock body of the top plate and the bottom plate of the self-roof-connecting area (98), the distance between two roadway sides, the length distance required to be filled along the pushing direction and the outline state of the roadway section; three-waste-based foaming materials are injected into the lower space of the goaf plugging air filling bag (97) through the three-waste-based foaming material conveying pipeline (95), then a bracket for supporting the goaf plugging air filling bag (97) is erected in the self-roof-connecting area (98), three-waste-based foaming materials are injected into the upper space of the goaf plugging air filling bag (97) through the three-waste-based foaming material conveying pipeline (95), and then the goaf plugging air filling bag (97) is completely closed so that the foaming materials spontaneously expand and are in contact with the top plate of the self-roof-connecting area (98); after the goaf plugging air filling bag (97) is fully foamed, plugging the goaf (94) between two roadway sides is completed, and after the three-waste-based foaming material is completely solidified, removing the bracket;
Step seven: continuously injecting the three-waste-based foaming material into the goaf (94) through the three-waste-based foaming material mixer (61); and (3) opening a control valve at the air outlet end of the air delivery branch B (92), injecting flue gas into the goaf (94), sealing and storing the fixed waste and the gas waste, and covering the goaf residual coal.
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| CN113960036B (en) * | 2021-10-21 | 2024-04-19 | 中国矿业大学 | Three-phase foam decay observation system and method based on Hele-Shaw box |
| CN114033484B (en) * | 2021-11-18 | 2022-08-02 | 长沙矿山研究院有限责任公司 | Stope mobile energy dissipation forced roof connecting system and filling roof connecting method |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101251025A (en) * | 2008-04-08 | 2008-08-27 | 中国矿业大学 | Coal mine down-hole foam dedusting system |
| CN101251024A (en) * | 2008-04-08 | 2008-08-27 | 中国矿业大学 | Foam generator for coal mine dedusting |
| CN201763388U (en) * | 2010-08-13 | 2011-03-16 | 深圳市中金岭南有色金属股份有限公司凡口铅锌矿 | Foam mortar preparation device |
| CN202263321U (en) * | 2011-06-24 | 2012-06-06 | 陈鹏 | Function combination type foam generator |
| CN102808625A (en) * | 2012-08-24 | 2012-12-05 | 贵州绿水青山环保科技有限公司 | Method for safely and environmentally mining mineral resource and developing industrial tourism |
| CN103721625A (en) * | 2014-01-04 | 2014-04-16 | 山东大学 | Water-based foam stabilizer, preparation method of foam stabilizer and water-based foam system with ultrahigh stability |
| CN104329110A (en) * | 2014-11-04 | 2015-02-04 | 中国矿业大学 | Foam filling material foaming system taking air of coal mine underground air pipe as air source |
| CN204186450U (en) * | 2014-09-29 | 2015-03-04 | 安徽理工大学 | A kind of exhaust gas processing device collecting foaming, adsorb, be recovered as one |
| CN204221971U (en) * | 2014-11-07 | 2015-03-25 | 西安科技大学 | A kind of mining inorganic foamed material prepares conveying device |
| CN104763390A (en) * | 2015-02-06 | 2015-07-08 | 中国石油天然气股份有限公司 | System and method for injecting CO2 foam through wellhead of mine field |
| CN106334466A (en) * | 2016-11-02 | 2017-01-18 | 梁雅增 | Carbonate spring gas-liquid mixing device |
| CN106892596A (en) * | 2017-02-22 | 2017-06-27 | 谢松甫 | Water conservation filling in mine material high |
| CN107285677A (en) * | 2017-08-09 | 2017-10-24 | 中国矿业大学 | Solidification CO is sealed up for safekeeping using foam geopolymer filling mine goaf2Method |
| CN209167913U (en) * | 2018-11-16 | 2019-07-26 | 中国矿业大学 | High-precision pump priming stream thermostatically-controlled equipment |
| CN211864803U (en) * | 2019-09-30 | 2020-11-06 | 中国矿业大学 | Preparation system of three useless base expanded materials of coal electricity integration |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2404798C (en) * | 2002-09-24 | 2007-02-20 | Edward W. Chan | Nozzle/mixer assembly |
| US7390444B2 (en) * | 2005-02-24 | 2008-06-24 | Wisconsin Electric Power Company | Carbon dioxide sequestration in foamed controlled low strength materials |
| US9028607B2 (en) * | 2005-02-24 | 2015-05-12 | Wisconsin Electric Power Company | Carbon dioxide sequestration in foamed controlled low strength materials |
| WO2015164943A1 (en) * | 2014-04-28 | 2015-11-05 | The Royal Institution For The Advancement Of Learning/Mcgill University | Methods and systems for foam mine fill |
| CA2924420C (en) * | 2015-03-24 | 2021-08-17 | The Board Of Trustees Of The University Of Alabama | Addition of carbon dioxide to concrete mixtures |
-
2019
- 2019-09-30 CN CN201910945083.4A patent/CN110732283B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101251024A (en) * | 2008-04-08 | 2008-08-27 | 中国矿业大学 | Foam generator for coal mine dedusting |
| CN101251025A (en) * | 2008-04-08 | 2008-08-27 | 中国矿业大学 | Coal mine down-hole foam dedusting system |
| CN201763388U (en) * | 2010-08-13 | 2011-03-16 | 深圳市中金岭南有色金属股份有限公司凡口铅锌矿 | Foam mortar preparation device |
| CN202263321U (en) * | 2011-06-24 | 2012-06-06 | 陈鹏 | Function combination type foam generator |
| CN102808625A (en) * | 2012-08-24 | 2012-12-05 | 贵州绿水青山环保科技有限公司 | Method for safely and environmentally mining mineral resource and developing industrial tourism |
| CN103721625A (en) * | 2014-01-04 | 2014-04-16 | 山东大学 | Water-based foam stabilizer, preparation method of foam stabilizer and water-based foam system with ultrahigh stability |
| CN204186450U (en) * | 2014-09-29 | 2015-03-04 | 安徽理工大学 | A kind of exhaust gas processing device collecting foaming, adsorb, be recovered as one |
| CN104329110A (en) * | 2014-11-04 | 2015-02-04 | 中国矿业大学 | Foam filling material foaming system taking air of coal mine underground air pipe as air source |
| CN204221971U (en) * | 2014-11-07 | 2015-03-25 | 西安科技大学 | A kind of mining inorganic foamed material prepares conveying device |
| CN104763390A (en) * | 2015-02-06 | 2015-07-08 | 中国石油天然气股份有限公司 | System and method for injecting CO2 foam through wellhead of mine field |
| CN106334466A (en) * | 2016-11-02 | 2017-01-18 | 梁雅增 | Carbonate spring gas-liquid mixing device |
| CN106892596A (en) * | 2017-02-22 | 2017-06-27 | 谢松甫 | Water conservation filling in mine material high |
| CN107285677A (en) * | 2017-08-09 | 2017-10-24 | 中国矿业大学 | Solidification CO is sealed up for safekeeping using foam geopolymer filling mine goaf2Method |
| CN209167913U (en) * | 2018-11-16 | 2019-07-26 | 中国矿业大学 | High-precision pump priming stream thermostatically-controlled equipment |
| CN211864803U (en) * | 2019-09-30 | 2020-11-06 | 中国矿业大学 | Preparation system of three useless base expanded materials of coal electricity integration |
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