CN117505043A - Full-automatic coal floating and sinking experimental equipment - Google Patents
Full-automatic coal floating and sinking experimental equipment Download PDFInfo
- Publication number
- CN117505043A CN117505043A CN202311356959.4A CN202311356959A CN117505043A CN 117505043 A CN117505043 A CN 117505043A CN 202311356959 A CN202311356959 A CN 202311356959A CN 117505043 A CN117505043 A CN 117505043A
- Authority
- CN
- China
- Prior art keywords
- floating
- barrel
- heavy liquid
- sinking
- coal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000007667 floating Methods 0.000 title claims abstract description 114
- 239000003245 coal Substances 0.000 title claims abstract description 85
- 239000007788 liquid Substances 0.000 claims abstract description 135
- 238000002474 experimental method Methods 0.000 claims abstract description 56
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 47
- 239000000706 filtrate Substances 0.000 claims abstract description 38
- 238000002360 preparation method Methods 0.000 claims abstract description 19
- 238000011084 recovery Methods 0.000 claims abstract description 17
- 238000009826 distribution Methods 0.000 claims abstract description 16
- 238000005303 weighing Methods 0.000 claims description 34
- 238000003756 stirring Methods 0.000 claims description 19
- 238000005070 sampling Methods 0.000 claims description 16
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 8
- 239000011592 zinc chloride Substances 0.000 claims description 7
- 235000005074 zinc chloride Nutrition 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 4
- 238000012360 testing method Methods 0.000 abstract description 11
- 238000001704 evaporation Methods 0.000 abstract description 3
- 230000008020 evaporation Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000001914 filtration Methods 0.000 abstract 1
- 230000001172 regenerating effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- 229910052500 inorganic mineral Inorganic materials 0.000 description 6
- 239000011707 mineral Substances 0.000 description 6
- 235000010755 mineral Nutrition 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000011010 flushing procedure Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010926 purge Methods 0.000 description 4
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000007405 data analysis Methods 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 238000005188 flotation Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000010408 sweeping Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000007738 vacuum evaporation Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
- B03B5/28—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B11/00—Feed or discharge devices integral with washing or wet-separating equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B13/00—Control arrangements specially adapted for wet-separating apparatus or for dressing plant, using physical effects
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to full-automatic coal floating and sinking experimental equipment which comprises a floating and sinking experimental device, a coal bailing device, a heavy liquid recovery device, a liquid distribution barrel and a floating object collection device. The float collection device and the float experiment device are arranged in parallel, and the coal fishing device is arranged above the float experiment device and the float collection device in a sliding manner. And after the heavy liquid recovery device finishes the coal floating and sinking experiment, filtering the heavy liquid in the floating and sinking experiment device, taking out the heavy liquid, storing the heavy liquid in a filtrate barrel for the liquid preparation requirement of a subsequent density stage, and after the liquid level in the filtrate barrel reaches a set value, regenerating and separating the heavy liquid into clear water and high-density heavy liquid by utilizing a low-temperature evaporation technology, wherein the clear water and the high-density heavy liquid are stored separately and recycled. The invention adopts the filtrate barrel, the heavy liquid barrel, the clean water barrel and the liquid distribution barrel to replace the fixed floating and sinking test barrels which are independently arranged at each density level in the traditional floating and sinking test, thereby realizing the rapid and accurate preparation of heavy liquid at any density level.
Description
Technical Field
The invention belongs to the technical field of coal floating and sinking experiments, and particularly relates to full-automatic coal floating and sinking experimental equipment.
Background
In order to evaluate the separation characteristics and concentrate yield of minerals such as coal, a floating and sinking experiment is required to be carried out on the coal, and the experiment is carried out according to the current national standard GB/T478-2008 'coal floating and sinking experiment method'. The earliest floating and sinking experiments are manually conducted according to the guidance of the method, but the manual efficiency is low and the working strength is high.
In order to improve the working efficiency and reduce the labor cost, 9 months and 4 days in 2012, yongcheng coal electric control stock group Co., ltd. Applied for a coal floating and sinking device and method with the application number of CN 201210322949.4. The coal floating and sinking device comprises a heavy liquid barrel and a flotation device, wherein the heavy liquid barrel is communicated with the flotation device through a connecting pipeline. After the floating objects are fished out, the heavy liquid is filtered out from the wall of the net-shaped cylinder; the heavy liquid is conveyed by the pump and flows back to the heavy liquid barrel by self weight.
In order to realize that the density liquid with different density levels can be provided, the patent adopts a plurality of heavy liquid barrels, and the density liquid with one density level is stored in each heavy liquid barrel. This arrangement increases the number of heavy liquid tanks while the density grade liquid of the density liquid is limited, depending on the number of heavy liquid tanks.
Disclosure of Invention
The invention aims to solve the technical problems that: the invention provides full-automatic coal floating and sinking experimental equipment, which is characterized in that a filtrate barrel, a heavy liquid barrel, a clean water barrel and a liquid distribution barrel are adopted to replace a fixed floating and sinking experimental barrel which is independently arranged at each density level in the traditional floating and sinking experiment, so that the rapid and accurate preparation of heavy liquid at any density level is realized.
The invention solves the problems existing in the prior art by adopting the technical scheme that:
a full-automatic coal floating and sinking experimental device comprises a floating and sinking experimental device, a coal bailing device, a heavy liquid recovery device, a liquid distribution barrel and a floating object collection device.
The float collection device and the float experiment device are arranged in parallel, and the coal fishing device is arranged above the float experiment device and the float collection device in a sliding manner.
The liquid preparing barrel is used for preparing heavy liquid with different density levels, and then the heavy liquid is injected into the floating and sinking experimental device.
And after the coal floating and sinking experiment is completed, the heavy liquid recovery device takes out the heavy liquid in the floating and sinking experiment device, separates the heavy liquid into clear water and high-density heavy liquid, and stores the clear water and the high-density heavy liquid separately.
Preferably, the heavy liquid recovery device comprises a filtrate barrel, a heavy liquid barrel, a clean water barrel and a pump, the heavy liquid in the floating and sinking experimental device is recovered to the interior of the filtrate barrel for subsequent floating and sinking experiments, the recovered heavy liquid can be separated into clean water and high-density heavy liquid by the aid of the built-in evaporation and concentration device according to requirements, the clean water is stored in the clean water barrel, and the high-density heavy liquid is stored in the heavy liquid barrel.
Preferably, a liquid level meter, a densimeter, a gas stirring device and a heating device are arranged in the filtrate barrel, and the filtrate barrel is connected with the upper part of the clean water barrel through a pipe.
Preferably, the filtrate barrel can realize the functions of mixing zinc chloride solids with clear water and accelerating the dissolution of the solids through a heating device and a gas stirring device to quickly prepare zinc chloride solution with set density.
Preferably, the float collecting device comprises a container with an open upper end and a weight detecting device below the container.
Preferably, the floating and sinking experiment device, the coal fishing device, the heavy liquid recovery device, the liquid preparation barrel and the floating object collection device are all arranged in the shell.
The shell inside be equipped with the horizontal plate, be equipped with the through-hole in the middle of the horizontal plate, the experimental apparatus that floats is installed to the through-hole below, floater collection device sets up on the horizontal plate.
Preferably, the coal scooping device comprises a shell with an open lower end, wherein side plates which are vertically arranged are slidably arranged in the shell, and two grabbing plates are hinged to two sides of the lower end of each side plate.
The inside articulated pole that is equipped with of casing, articulated pole set up in two middle top of snatching the version, the both ends of articulated pole are articulated with shells inner wall and snatch the board respectively, snatch the board on be equipped with the hole of permeating water.
The shell inside be equipped with the telescopic link of perpendicular arrangement, telescopic link movable part is connected with the roof, the roof is fixed in the top of sideboard.
Preferably, the inside horizontal linear module that is fixed with of casing, sliding connection has first perpendicular sharp module and the perpendicular sharp module of second on the horizontal linear module, is connected with coal on the perpendicular sharp module of second and drags for the device, is connected with weighing sampling device on the perpendicular sharp module of first.
The horizontal plate is provided with a weighing device, and the weighing device and the floater collecting device are respectively arranged on two sides of a through hole of the horizontal plate.
The weighing device and the weighing sampling device are correspondingly arranged, the weighing sampling device is used for clamping the floating and sinking experiment device, and the floating and sinking experiment device is moved between the weighing device and an arrangement area below the horizontal plate through hole.
Preferably, an intelligent control device is arranged outside the shell.
Preferably, the front panel of the shell is provided with an upper window and a lower window, the upper window is used for delivering and taking coal samples, and a safety operation locking switch is configured.
Compared with the prior art, the invention has the beneficial effects that:
(1) The device is mainly used for carrying out a floating and sinking test on minerals such as coal and the like which are separated by density, and can be used for measuring the floating and sinking mass of the minerals such as coal and the like in solutions with different density levels, further evaluating the separation characteristics and concentrate yield of the minerals, guiding a concentrating mill to set technological parameters and evaluating the operation effect.
(2) The method is mainly used for carrying out a floating and sinking experiment on 0.5-50 mm-sized raw coal under the condition of 1.3-2.0g/cm < 3 > density level heavy liquid (usually zinc chloride solution), and the granularity range and the density level range of minerals can be adjusted according to the actual requirements of different types of minerals.
(3) The intelligent device replaces manual operation to realize automatic preparation and cyclic regeneration of density liquid at all levels and full-automatic floating and sinking test and data analysis of coal samples, has the advantages of high speed, high precision, small volume, easy maintenance and zero emission, and is a novel intelligent device for realizing intelligent sorting and refined management of coal preparation plants.
The integrated functions of heavy liquid preparation, automatic floating and sinking, floating object fishing, weighing and metering, heavy liquid regeneration, data analysis and the like are realized through the module structure and centralized control, and the complex and heavy manual operation process and the engineer calculation drawing process are replaced.
(4) The filtrate barrel, the heavy liquid barrel, the clean water barrel and the liquid distribution barrel are adopted to replace the fixed floating and sinking test barrels which are independently arranged at each density level in the traditional floating and sinking test, so that the rapid and accurate preparation of heavy liquid at any density level is realized. The heavy liquid of the previous density level test is adopted to prepare the heavy liquid of the next density level, so that the preparation time, the heavy liquid consumption and the occupied area are greatly reduced.
(5) The sample grabbing mechanism is used for lifting and translating the weighed coal sample barrel into the floating and sinking barrel to carry out floating and sinking test, and finally lifting and resetting the residual weight after the test is finished and weighing. The mechanism has the characteristics of exquisite design, large load and accurate position.
(6) The special floating and sinking barrel can realize the functions of liquid feeding, liquid discharging, gas stirring, standing and layering, and has the characteristics of blocking prevention and splash prevention.
(7) The unique scooping mechanism can realize automatic scooping, draining, flushing, sweeping and dewatering of the floating objects in the floating and sinking barrel, and then the floating objects are fed into the floating object barrel for accurate metering and weighing.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a front view of a full-automatic coal floating and sinking experiment device,
FIG. 2 is a view showing the structure of the rear inner part of the full-automatic coal floating and sinking experiment equipment with the front panel removed,
FIG. 3 is a diagram showing the internal structure of the full-automatic coal floating and sinking experiment equipment with the rear panel removed,
figure 4 is a perspective view of the structure of figure 2,
FIG. 5 is a diagram showing the internal structure of a shell of a coal-to-carbon scooping device in full-automatic coal floating experiment equipment,
FIG. 6 is a schematic diagram of the position of the coal pick-up device in the full-automatic coal floating experiment equipment in the working process,
FIG. 7 is a schematic diagram of pipeline connection of a floating and sinking experiment device in the full-automatic coal floating and sinking experiment equipment,
FIG. 8 is a block diagram of an internal gas stirring device of a float-sink experimental device in full-automatic coal float-sink experimental equipment.
In the figure: 1-shell, 101-upper window, 102-lower window, 103-horizontal plate, 2-floating experiment device, 201-liquid discharge pipe, 202-filter, 203-electric control valve, 204-supporting pipe, 205-gas distribution pipe, 206-exhaust pipe, 3-weighing sampling device, 4-coal taking device, 401-telescopic rod, 402-top plate, 403-side plate, 404-taking plate, 40401-water permeable hole, 405 soft plate, 406-hinging rod, 407-shell, 408-purge pipe, 409-flushing pipe, 5-horizontal straight line module, 6-first vertical straight line module, 7-second vertical straight line module, 8-weighing device, 9-intelligent control device, 10-filtrate barrel, 11-heavy liquid barrel, 12-clean water barrel, 13-liquid distribution barrel, 14-pump, 1401-floating sedimentation barrel liquid injection pipe, 15-gas supply device, 1501-distributing valve, 502-gas supply pipe and 16-object collection device.
Detailed Description
Certain terms are used throughout the description and claims to refer to particular components. Those of skill in the art will appreciate that a hardware manufacturer may refer to the same component by different names. The description and claims do not take the form of an element differentiated by name, but rather by functionality. As used throughout the specification and claims, the word "comprise" is an open-ended term, and thus should be interpreted to mean "include, but not limited to. By "substantially" is meant that within an acceptable error range, a person skilled in the art is able to solve the technical problem within a certain error range, substantially achieving the technical effect.
In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "horizontal", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
The full-automatic coal floating and sinking experimental equipment is further described in detail below with reference to the accompanying drawings, but is not limited by the invention.
A full-automatic coal floating and sinking experimental device comprises a floating and sinking experimental device 2, a weighing and sampling device 3, a coal bailing device 4, a heavy liquid recovery device, a liquid preparation barrel 13 and a floating object collecting device 16.
The floating and sinking experimental device 2 comprises a floating and sinking barrel, and is used for completing stirring, standing and layering of coal samples in the floating and sinking barrel and realizing layering of floating matters and sinking matters under a set density level. The stirring mode mainly adopts pneumatic stirring, so that a heavy liquid supply pipeline and a pneumatic stirring pipeline can be connected in an inserting manner after the floating and sinking barrel falls.
In order to realize pneumatic stirring, the embodiment is also provided with an air supply device 15, and the air supply device 15 comprises an air storage tank, an air compressor and an air distribution valve 1501. The inside of the floating barrel is provided with a hard supporting pipe 204, the tail end of the supporting pipe 204 is rotationally connected with a gas distribution pipe 205 with a ring-shaped or rectangular frame structure, and the circumference side of the gas distribution pipe 205 is provided with a gas exhaust pipe 206 which is obliquely arranged. The respective gas distribution pipes 205 are inclined in the same direction and at the same angle, and the support pipe 204 is connected to the gas distribution valve 1501 through the gas supply pipe 502.
When pneumatic stirring is required, the air distributing valve 1501 is opened, and high-pressure air flows into the air distributing pipe 205 through the air supply pipe 502 and the support pipe 204, and is then ejected from the air outlet pipe 206. According to the arrangement of the exhaust pipe 206 shown in fig. 8, the gas ejected drives the gas distribution pipe 205 to rotate, thereby realizing pneumatic stirring.
The floating barrel is connected with a pump 14 on the liquid preparation barrel 13 through a floating barrel liquid injection pipe 1401, and the prepared heavy liquid is injected into the floating barrel through the floating barrel liquid injection pipe 1401.
The weighing and sampling device 3 is used for weighing the coal sample to be floated and sunk, and then dynamically grabbing and placing the coal sample into the floating and sunk experimental device 2 for holding heavy liquid with set density. And a weighing device 8 is correspondingly arranged below the weighing and sampling device 3, the weighing device 8 is used for detecting the weight of coal, and the weighing and sampling device 3 is mainly an electric or pneumatic clamping jaw and is used for grabbing coal.
The coal scooping device 4 is used for automatically scooping the layered floating objects from the floating and sinking barrel, standing or sweeping and draining, and then metering the floating objects in the floating object collecting device 16 to serve as basic data of floating and sinking experiments.
In this embodiment, the float collection device 16 includes a container with an open upper end and a weight detection device below the container.
The weighing and sampling device 3 comprises a shell 407 with an open lower end, wherein a side plate 403 is arranged vertically in the shell 407 in a sliding manner, two sides of the lower end of the side plate 403 are respectively hinged with a scooping plate 404, and the scooping plates 404 are hard plates.
The inside articulated lever 406 that is equipped with of casing 407, articulated lever 406 set up in the centre top of two bailing plates 404, the both ends of articulated lever 406 are articulated with casing 407 inner wall and bailing plate 404 respectively.
The side plates 403 in the shell 407 move up and down, and then the two scooping plates 404 finish opening and closing actions under the drive of the hinge rod 406, so that the scooping of the floating coal sample is realized.
When the side plate 403 moves downwards, the two scooping plates 404 rotate outwards to realize opening, and when the side plate 403 rotates upwards, the two scooping plates 404 rotate inwards to realize folding.
When the side plate 403 moves down to the lowermost end, the two pick-up plates 404 are arranged in the housing 407 so as to be open against the wall, and the pick-up plates 404 are partially leaked to the outside of the housing 7; when the side plate 403 is moved up to the uppermost end, the two scooping plates 404 are closed, and the scooping plates 404 are placed inside the housing 7.
In order to avoid the interference of the hinge rod 406, in this embodiment, the hinge rod 406 is a bent rod.
The sideboard 403 can drive the linear module connected in a side direction to move up and down, but in the arrangement mode, because fine particle coal slime exists in the coal sample, the coal slime easily falls onto the linear module, and the using effect of the linear module is affected.
In order to solve this technical problem, in this embodiment, a vertically arranged telescopic rod 401 is disposed inside the housing 407, and the telescopic rod 401 is driven by an electric, hydraulic or pneumatic device. A top plate 402 is connected to the movable portion of the telescopic rod 401, and the top plate 402 is fixed above the side plate 403. The telescopic rod 401 is arranged above the top plate 402, and the movable part of the telescopic rod 401 is vertically downward.
The external dimension of the top plate 402 horizontally arranged is the same as the external dimension of the horizontal section inside the shell 407, and the end surfaces of the two ends of the side plate 403 are abutted against the inner wall of the shell 407.
By the arrangement mode, the telescopic rod 401 can be separated from a space for fishing and storing coal, so that the interference of coal slime on the telescopic rod 401 is reduced.
In order to optimize the fishing effect, the end of the fishing plate 404 is fixed with a flexible plate 405, and the sum of the lengths of the fishing plate 404 and the flexible plate 405 is greater than half of the length of the bottom opening of the housing 407.
When the coal sample is fished, the fished plate 404 rotates to be in a horizontal state, the two soft plates 405 are aligned and bent, the bottom of the shell 407 is completely sealed, and the coal sample is reserved in the shell 401. In order to avoid water remaining on the scooping plate 404, the scooping plate 404 is provided with a water permeable hole 40401, and the water permeable hole 40401 is a through hole with various shapes, such as an elongated shape, a circular shape, a triangle shape, etc.
The top plate 402 is fixedly provided with a purging pipe 408 and a flushing pipe 409, the tail ends of the two pipelines are penetrated below the top plate 402, the upper ends of the two pipelines are penetrated outside the shell 407, the inlet of the purging pipe 408 is connected with a high-pressure air pipeline, and the inlet of the flushing pipe 409 is connected with a high-pressure water pipe. After the coal fishing device finishes the operation, the coal fishing device can be washed, and then the coal fishing device is purged by high-pressure air, so that the accuracy of each operation is ensured.
The purge pipe 408 is connected to the air supply device 15 through an air pipe, and the flush pipe 409 is connected to the pump of the clean water tank 12 through a pipe and a three-way valve.
The float collection device 16 is arranged in parallel with the float experiment device 2, and the coal scooping device 4 is arranged above the float experiment device 2 and the float collection device 16 in a sliding manner.
The solution preparing barrel 13 automatically and selectively extracts the solution in the filtrate barrel, the heavy solution barrel or the clear water barrel according to the set density value requirement, the target density requirement and the real-time density values in the storage barrels, and then the solution is injected into the floating and sinking experimental device 2 after automatic proportioning, stirring and calibration. The filtrate barrel, the heavy liquid barrel and the liquid preparation barrel are internally provided with a liquid level meter and a density meter which can be matched with a flowmeter to measure the addition amount of the liquid preparation and the density after the liquid preparation. The stirring can be electromagnetic stirring, blade stirring and pneumatic stirring, which are all the prior art.
The heavy liquid recovery device is responsible for recovering the heavy liquid after the coal floating and sinking experiment circulation is completed, taking out the heavy liquid in the floating and sinking experiment device 2, separating the heavy liquid into clear water and high-density heavy liquid, and storing the clear water and the high-density heavy liquid separately.
In this embodiment, the heavy liquid recovery device includes a filtrate tank 10, a heavy liquid tank 11, a clean water tank 12, and a plurality of pumps 14.
The heavy liquid in the floating experiment device 2 is recycled to the inside of the filtrate tank 10 through one of the pumps 14, the filtrate tank 10 separates the recycled heavy liquid into clean water and high-density heavy liquid, the clean water is stored in the clean water tank 12, and the high-density heavy liquid is stored in the heavy liquid tank 11.
Specifically, a drain pipe 201 is arranged at the bottom of the floating and sinking barrel, a filter barrel 202 and an electric control valve 203 are connected in series on the drain pipe 201, and the drain pipe 201 is connected with a pump 14 on the filtrate barrel 10 through a valve. After the floating experiment is completed, the liquid in the floating barrel is injected into the filtrate barrel 10 by the liquid discharge pipe 201, the contained coal slime is filtered by the filter barrel 202, the coal slime is prevented from polluting the filtrate barrel 10, and then the coal slime in the filter barrel 202 can be collected in a periodical cleaning mode, so that secondary pollution to the surrounding environment is avoided.
Two pumps 14 may be provided in the filtrate tank 10, one for pumping the separated heavy liquid into the heavy liquid tank 11, and one connected to the drain pipe 201 for pumping the liquid in the floating and sinking tank into the filtrate tank 10.
The filtrate tank 10 is internally provided with a liquid level meter, a densimeter and a gas stirring device. The filtrate tank 10 is internally provided with a heating device, and the filtrate tank 10 is connected with the upper part of the clean water tank 12 through a pipe. By heating the recovery liquid in the filtrate barrel 10, the moisture in the filtrate barrel is accelerated to evaporate, the steam flows into the clear water barrel 12 through a pipeline connected above the filtrate barrel 10 and the clear water barrel 12, and the condensate forms clear water, so that the separation of the clear water and the high-density heavy liquid is realized. The density change is observed through a densimeter in the filtrate barrel 10, when the density of the heavy liquid in the filtrate barrel reaches a threshold value, the heating is stopped, and the rest high-density heavy liquid is pumped into the heavy liquid barrel 11 through a pump 14, so that the whole heavy liquid recovery and classification work is completed.
To improve accuracy, the pump 14 is connected in series with a flow meter or a metering pump is used.
Meanwhile, in order to reduce the consumption of heat energy and enable the water to evaporate at medium and low temperatures, a low-temperature negative pressure evaporation technology can be adopted in the filtrate barrel 10, and a condenser is connected in series on a connecting pipe between the filtrate barrel 10 and the clear water barrel 12.
And after the test, the heavy liquid is automatically filtered to remove residual coal slime, and a medium-low temperature vacuum evaporation concentration program is automatically executed according to liquid level and density data in the filter vat, so that the recycling of the heavy liquid and the water recovery are completed, the zero emission of equipment operation is realized, and the secondary pollution to the environment is avoided.
The filtrate barrel is simultaneously used for preparing an initial zinc chloride solution, and under the auxiliary action of the heating device and the gas stirring device, the dissolution process of zinc chloride solid and clear water is accelerated, and heavy liquid with set density required by test equipment is rapidly prepared.
For the purposes of attractive appearance and convenient movement and transportation, the floating and sinking experiment device 2, the coal scooping device 4, the heavy liquid recovery device, the liquid preparation barrel 13, the floating object collecting device 16 and other accessory equipment are all arranged inside the shell 1.
The shell 1 inside be equipped with horizontal plate 103, be equipped with the through-hole in the middle of the horizontal plate 103, install the experimental apparatus 2 that floats below the through-hole, floater collection device 16 sets up on horizontal plate 103. The front panel of the shell 1 is provided with an upper window 101 and a lower window 102, the states of the coal taking device 4, the floating object collecting device 16 and the weighing and sampling device 3 can be sent and taken through the upper window 101, and the state of the floating and sinking experiment device 2 in place can be observed through the lower window 102. The back and both sides of the shell 1 are provided with mounting access doors.
The inside horizontal straight line module 5 that is fixed with of casing 1, the last sliding connection of horizontal straight line module 5 have first perpendicular sharp module 6 and the perpendicular sharp module 7 of second, be connected with coal on the perpendicular sharp module 7 of second and drag for device 4, be connected with on the perpendicular sharp module 6 of first and weigh sampling device 3.
The horizontal plate 103 is provided with a weighing device 8, and the weighing device 8 and the floater collecting device 16 are respectively arranged on two sides of a through hole of the horizontal plate 103.
The weighing device 8 is correspondingly arranged with the weighing and sampling device 3, the weighing and sampling device 3 is used for clamping the floating and sinking experiment device 2, and the floating and sinking experiment device 2 moves between the weighing device 8 and an arrangement area below the through hole of the horizontal plate 103.
An intelligent control device 9 is arranged outside the shell 1. The intelligent control device 9 is electrically connected with all electric devices contained in the full-automatic coal floating and sinking experimental equipment. The intelligent control device can summarize and analyze the data according to the multiple floating and sinking experiments, draw the optional curve of the coal sample, and know that on-site operators adjust production process parameters in time.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present invention.
Claims (10)
1. Full-automatic coal sink-float experimental facilities, its characterized in that:
comprises a floating experiment device (2), a coal scooping device (4), a heavy liquid recovery device, a liquid preparation barrel (13) and a floating object collection device (16),
the float collection device (16) is arranged in parallel with the float experiment device (2), the coal scooping device (4) is arranged above the float experiment device (2) and the float collection device (16) in a sliding way,
the liquid preparation barrel (13) is used for preparing heavy liquid with different density levels, then the heavy liquid is injected into the floating and sinking experimental device (2),
and after the coal floating and sinking experiment is completed, the heavy liquid recovery device takes out the heavy liquid in the floating and sinking experiment device (2) and separates the heavy liquid into clear water and high-density heavy liquid, and the clear water and the high-density heavy liquid are stored separately.
2. The fully automatic coal floating and sinking experiment device according to claim 1, wherein:
the heavy liquid recovery device comprises a filtrate barrel (10), a heavy liquid barrel (11), a clear water barrel (12) and a pump (14), the heavy liquid in the floating experiment device (2) is recovered to the interior of the filtrate barrel (10), the recovered heavy liquid is separated into clear water and high-density heavy liquid by the filtrate barrel (10), the clear water is stored in the clear water barrel (12), and the high-density heavy liquid is stored in the heavy liquid barrel (11).
3. The fully automatic coal floating and sinking experiment device according to claim 2, wherein:
the liquid level meter is arranged inside the filtrate barrel (10), the heavy liquid barrel (11), the clear water barrel (12) and the liquid distribution barrel (13), the densimeter is arranged inside the filtrate barrel (10), the heavy liquid barrel (11) and the liquid distribution barrel (13), and the gas stirring device is arranged inside the filtrate barrel (10) and the liquid distribution barrel (13).
4. A fully automatic coal sink and float experimental facility according to claim 2 or 3, characterized in that:
the inside heating device that is equipped with of filtrating bucket (10), filtrating bucket (10) are connected through the pipe with clear water bucket (12) top, heating device and gas agitating unit that dispose in filtrating bucket (10) can realize utilizing zinc chloride solid and clear water to mix the function of dissolving preparation density zinc chloride solution.
5. The fully automatic coal floating and sinking experiment device according to claim 4, wherein:
the float collecting device (16) comprises a container with an open upper end and a weight detecting device below the container.
6. The fully automatic coal floating and sinking experiment device according to claim 1 or 2 or 3 or 5, wherein the device is characterized in that:
the floating and sinking experiment device (2), the coal scooping device (4), the heavy liquid recovery device, the liquid preparation barrel (13) and the floating object collection device (16) are all arranged in the shell (1),
the floating and sinking experimental device is characterized in that a horizontal plate (103) is arranged inside the shell (1), a through hole is formed in the middle of the horizontal plate (103), a floating and sinking experimental device (2) is arranged below the through hole, and a floating object collecting device (16) is arranged on the horizontal plate (103).
7. The fully automatic coal floating and sinking experiment device according to claim 6, wherein:
the coal taking device (4) comprises a shell (407) with an open lower end, a side plate (403) which is vertically arranged is slidingly arranged in the shell (407), two sides of the lower end of the side plate (403) are respectively hinged with a grabbing plate (404),
the inside of the shell (407) is provided with a hinging rod (406), the hinging rod (406) is arranged above the middle of the two grabbing plates (404), two ends of the hinging rod (406) are respectively hinged with the inner wall of the shell (407) and the grabbing plates (404), the grabbing plates (404) are provided with water permeable holes (40401),
the inside telescopic link (401) that are equipped with of casing (407) vertically, telescopic link (401) movable part is connected with roof (402), roof (402) are fixed in the top of sideboard (403).
8. The fully automatic coal floating and sinking experiment device according to claim 6, wherein:
the inside of the shell (1) is fixedly provided with a horizontal linear module (5), the horizontal linear module (5) is connected with a first vertical linear module (6) and a second vertical linear module (7) in a sliding way, the second vertical linear module (7) is connected with a coal taking device (4), the first vertical linear module (6) is connected with a weighing and sampling device (3),
the horizontal plate (103) is provided with a weighing device (8), the weighing device (8) and the floater collecting device (16) are respectively arranged at two sides of a through hole of the horizontal plate (103),
the weighing device (8) and the weighing sampling device (3) are correspondingly arranged, the weighing sampling device (3) is used for clamping the floating and sinking experiment device (2), and the floating and sinking experiment device (2) is moved between the weighing device (8) and an arrangement area below a through hole of the horizontal plate (103).
9. The fully automatic coal floating and sinking experiment device according to claim 8, wherein:
an intelligent control device (9) is arranged outside the shell (1).
10. The fully automatic coal floating and sinking experiment device according to claim 6, wherein:
an upper window (101) and a lower window (102) are arranged on the front panel of the shell (1), and access doors are arranged on the two sides and the back of the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311356959.4A CN117505043B (en) | 2023-10-19 | 2023-10-19 | Full-automatic coal floating and sinking experimental equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311356959.4A CN117505043B (en) | 2023-10-19 | 2023-10-19 | Full-automatic coal floating and sinking experimental equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117505043A true CN117505043A (en) | 2024-02-06 |
| CN117505043B CN117505043B (en) | 2024-05-24 |
Family
ID=89759644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311356959.4A Active CN117505043B (en) | 2023-10-19 | 2023-10-19 | Full-automatic coal floating and sinking experimental equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117505043B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE519953A (en) * | ||||
| GB276723A (en) * | 1926-05-27 | 1927-08-29 | Rudolf Lessing | Improvement in the cleaning of carbonaceous materials |
| CN111458477A (en) * | 2020-06-02 | 2020-07-28 | 中国矿业大学 | Heavy liquid adjusting method for intelligent floating and sinking test |
| CN113083488A (en) * | 2021-04-07 | 2021-07-09 | 西安科技大学 | Automatic float-sink test equipment of coal |
| CN214811654U (en) * | 2021-04-07 | 2021-11-23 | 西安科技大学 | Automatic coal of configuration heavy liquid floats and sinks test device |
| CN114965936A (en) * | 2021-02-20 | 2022-08-30 | 四川川煤华荣能源有限责任公司石板选煤发电厂 | Full-automatic floating and sinking test system and test method |
| CN217359460U (en) * | 2022-03-26 | 2022-09-02 | 丹东东方测控技术股份有限公司 | Coal rapid floating and sinking experiment system |
| CN219836636U (en) * | 2023-05-22 | 2023-10-17 | 天津美腾科技股份有限公司 | Control system and sink-float instrument |
-
2023
- 2023-10-19 CN CN202311356959.4A patent/CN117505043B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE519953A (en) * | ||||
| GB276723A (en) * | 1926-05-27 | 1927-08-29 | Rudolf Lessing | Improvement in the cleaning of carbonaceous materials |
| CN111458477A (en) * | 2020-06-02 | 2020-07-28 | 中国矿业大学 | Heavy liquid adjusting method for intelligent floating and sinking test |
| CN114965936A (en) * | 2021-02-20 | 2022-08-30 | 四川川煤华荣能源有限责任公司石板选煤发电厂 | Full-automatic floating and sinking test system and test method |
| CN113083488A (en) * | 2021-04-07 | 2021-07-09 | 西安科技大学 | Automatic float-sink test equipment of coal |
| CN214811654U (en) * | 2021-04-07 | 2021-11-23 | 西安科技大学 | Automatic coal of configuration heavy liquid floats and sinks test device |
| CN217359460U (en) * | 2022-03-26 | 2022-09-02 | 丹东东方测控技术股份有限公司 | Coal rapid floating and sinking experiment system |
| CN219836636U (en) * | 2023-05-22 | 2023-10-17 | 天津美腾科技股份有限公司 | Control system and sink-float instrument |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117505043B (en) | 2024-05-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101487772B (en) | Automatically layered quantitative sampler for skotoplankton | |
| CN206556928U (en) | Can continuous sampling deep water sampling apparatus | |
| CN106378255A (en) | Construction waste recycling and sorting device | |
| CN108435405A (en) | A kind of automatic float-sink test device of coal | |
| CN112082819A (en) | Sewage detection device and method | |
| CN117505043B (en) | Full-automatic coal floating and sinking experimental equipment | |
| AU2020100806A4 (en) | Device For Collecting Aeolian Sand Trapped By Wetland And Application Method Thereof | |
| CN115931456A (en) | Water body micro-plastic fixed-depth acquisition and pretreatment integrated device and use method thereof | |
| CN107519689B (en) | A kind of iirigation water source filter device and its control method | |
| CN212757604U (en) | Anti-gravity type filter device for on-line monitoring of water quality of aquaculture water area | |
| CN206152959U (en) | Sorting device is retrieved to building rubbish | |
| CN211587324U (en) | Oiling device for stainless steel production | |
| CN208554574U (en) | A kind of automatic float-sink test device of coal | |
| CN209027851U (en) | A kind of intertidal zone surface sediment sampler | |
| CN220887150U (en) | Sewage treatment machine | |
| CN220554725U (en) | Automatic coal floating and sinking test device | |
| CN217277078U (en) | Automatic water quality sampler | |
| CN220370547U (en) | On-spot filterable suction filtration equipment of power station silt water sample | |
| CN219870544U (en) | Portable radioactive water monitoring shelter | |
| CN220690564U (en) | Portable electroplating wastewater automatic sampling device | |
| CN218674372U (en) | Continuous collection device of road path flow | |
| CN213456226U (en) | Liquid sample circulation quantitative acquisition device | |
| CN220530830U (en) | Quick processing apparatus of coal slime water | |
| CN221174616U (en) | Water source pollution monitoring device | |
| CN220214116U (en) | Pretreatment device for water sample collection of sewage pump station |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |