CN207280832U - A kind of controllable gas adsorption desorption experiment coal sample of moisture crushes and screens device - Google Patents
A kind of controllable gas adsorption desorption experiment coal sample of moisture crushes and screens device Download PDFInfo
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- CN207280832U CN207280832U CN201721391138.4U CN201721391138U CN207280832U CN 207280832 U CN207280832 U CN 207280832U CN 201721391138 U CN201721391138 U CN 201721391138U CN 207280832 U CN207280832 U CN 207280832U
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Abstract
The utility model belongs to Experiments on Gas technical field,Device is crushed and screened more particularly to a kind of controllable gas adsorption desorption experiment coal sample of moisture,Including supporting rack,Cabinet,Drive motor and the first belt,Disintegrating mechanism is equipped with cabinet,Disintegrating mechanism includes upper left rotation axis,Upper right rotation axis,Lower-left rotation axis and bottom right rotation axis,Upper left rotation axis is equipped with the first roller,First roller is equipped with the first spike-tooth of multiple row,Lower-left rotation axis is equipped with the second roller,Second roller is equipped with the second spike-tooth of multiple row,The first spike-tooth of multiple row and the radially even distribution of the second spike-tooth of multiple row,The first spike-tooth and the second spike-tooth in upper left rotation axis and upper right rotation axis is interlaced,And do not contact,The interleave depth size between the first spike-tooth and the second spike-tooth in upper left rotation axis and upper right rotation axis is less than the interleave depth size between the first spike-tooth and the second spike-tooth in lower-left rotation axis and bottom right rotation axis.It will be crushed and screening is integrated in one, and crushing effect and dust discharge effect are preferable.
Description
Technical field
The utility model belongs to Experiments on Gas technical field, and in particular to a kind of controllable gas adsorption desorption of moisture
Experiment coal sample crushes and screens device.
Background technology
Coal in China yield reaches 48.7 hundred million tons within 2014, close to world wide production half.Primary energy of the coal in China
In consumption structure, 70% is accounted for, it is contemplated that the year two thousand fifty decreases but will account for 50%.With the increase of mining depth, a part
The mine of shallow mining gradually carries out deep mining, and non-protruding mine is changed into projecting mine, although groping by decades, I
State achieves certain achievement in terms of mine gas disaster is administered, but mine gas accident still has.2 months 2015 12
Day, YangQuan Mine group of Shanxi Province one colliery burst coal and gas prominent, causes 4 people dead;On 2 28th, 2015, Jiangxi Province
Coal and gas prominent accident occurs for Leping mineral bureau Yong Shan collieries, causes 4 people dead;On October 9th, 2015, Shangrao County maple ridge head
Local gas explosion accident together occurs for town Yongji colliery, and 10 miners are stranded underground.
In order to administer Gas Disaster, number of patent application is:201610117714.5, it is entitled:Coal sample moisture is controllable
Gas adsorption desorption experimental apparatus and its experimental method Chinese invention patent, it discloses specific experimental procedure, i.e.,:
1) coal sample needed for experiment is made by broken, crushing, sieving, drying, sample process in coal sample;
2) airtight test, if computer acquisition is arrived after inflation gasing tank and the pressure of coal sample tank keep 6h constant,
Air-tightness is good;
4) gasing tank in measurement system is desorbed to gas adsorption using vacuum pump and coal sample tank carries out vacuumize process, so
After be filled with helium measure coal sample volume Vs and free space volumes Vf, carry out vacuum suction again after measure;
4) methane gas of certain pressure is filled with into gasing tank using inflation system, the pressure observed on computer is read
Number, when showing that pressure reaches predetermined pressure, closes high-pressure gas cylinder valve, pressure reducing valve and the shut-off valve I in inflation system, record
Pressure value p1 before absorption;Then the gasing tank shut-off valve of connection gasing tank and the coal sample tank shut-off valve for connecting coal sample tank are opened,
Making gas, fully absorption reaches balance in coal sample tank, and records pressure value p2 when absorption reaches stable;
5) check valve is opened, starts constant-flux pump, when the pressure that the high-precision pressure gauge II being connected with constant-flux pump is shown is more than
During the pressure for the Computer display being connected with coal sample tank, the water in graduated cylinder enters coal sample tank by check valve, observes in graduated cylinder
The scale change of water level, closes constant-flux pump according to the situation of actual needs, the coal sample tank after water filling then is stood more than 6h, makes water
Divide and be uniformly distributed in coal sample;
6) coal sample tank shut-off valve, shut-off valve II and flow stabilizing valve are opened, coal sample tank is connected with desorption analyzer, carries out coal sample
Desorption process;
7) moisture changed in coal sample tank need to only close coal sample tank shut-off valve repeat step 5);
8) draw adsorption isothermal curve figure and carry out experimental analysis.
In above-mentioned experimental method, crushing after coal sample collection and screening are most important, be related to entirely test into
Whether work(, at present now, reducing mechanism and screening plant are all independent, not only so that cost increases severely;Moreover, crushing and screening are
The process of twice independence is, it is necessary to which the material cycling that reducing mechanism is discharged is sieved to screening plant so that workload increase,
Work efficiency reduces;In addition, existing reducing mechanism be only capable of carry out level-one crushing, cause crushing effect undesirable, it is necessary to
Repeated multiple times crushing, energy consumption is big, adds cost to a certain extent.
Utility model content
The utility model aim is:Aim to provide a kind of controllable gas adsorption desorption experiment coal sample grinding screen of moisture
Separating device, it will be crushed and screening is integrated in one, and has not only simplified process, has alleviated workload, has improved work efficiency, and
Crushing effect and dust discharge effect are preferable, easy to operate, it is crucial that, largely reduce cost.
To realize above-mentioned technical purpose, the technical solution adopted in the utility model is as follows:
A kind of controllable gas adsorption desorption experiment coal sample of moisture crushes and screens device, including supporting rack, cabinet, drive
Dynamic motor and the first belt, the cabinet are fixedly mounted on supporting rack top, and the enclosure top is equipped with feed inlet, the cabinet
The lower part of right side wall is equipped with discharge port, and disintegrating mechanism is equipped with the cabinet, and the disintegrating mechanism includes upper left rotation axis, the right side
Upper rotation axis, lower-left rotation axis and bottom right rotation axis, the upper left rotation axis is identical with bottom right rotation axle construction, the upper right rotation
Shaft and lower-left rotation axle construction are identical, and the upper left rotation axis is integrally formed with the first roller, on the side wall of first roller
The first spike-tooth of multiple row is provided with, the lower-left rotation axis is integrally formed with the second roller, is provided with the side wall of second roller
The second spike-tooth of multiple row, first spike-tooth of multiple row and the second spike-tooth of multiple row it is radially even distribution and it is equidistant vertically
To be arranged in round, the first spike-tooth and the second spike-tooth in the upper left rotation axis and upper right rotation axis are interlaced and do not contact,
The interleave depth size between the first spike-tooth and the second spike-tooth in the upper left rotation axis and upper right rotation axis is revolved less than lower-left
The interleave depth size between the first spike-tooth and the second spike-tooth in shaft and bottom right rotation axis, the upper left rotation axis and upper right
The sustained height position of the left end of rotation axis through cabinet is separately installed with the first driven wheel and the second driven wheel, the lower-left rotation
The sustained height position of the left end of shaft and bottom right rotation axis through cabinet is separately installed with driving wheel and the 3rd driven wheel, described
Drive power output end and the driving wheel of motor to be sequentially connected, first belt tension on the first driven wheel and driving wheel,
Tensioning is arranged with the second cross-shaped belt on first driven wheel and the second driven wheel, the driving wheel and the 3rd driven
Tensioning is arranged with the 3rd cross-shaped belt on wheel, and the cabinet inner wall inclines below lower-left rotation axis and bottom right rotation axis
Sieve plate tiltedly is equipped with, leaves gap between the most significant end of the sieve plate and the second spike-tooth end, the left side wall of the sieve plate and cabinet,
Dust chamber is formed on right side wall and bottom, and the bottom angled of the cabinet is set and inclined direction and sieve plate contrast, described
Dust chamber is equipped with dust outlet and dust outlet is placed exactly in the extreme lower position of cabinet bottom, and the discharge port is located at sieve plate
End, the bottom of the cabinet right side wall are provided with wind turbine, the wind turbine goes out integrally formed with level board on the level board
Air port is threaded through on cabinet right side wall and stretches into dust intracavitary.
The technical solution of the utility model is used, in use, starting driving motor, driving motor rotates driving wheel, leads to
Crossing the first belt drives the first driven wheel to rotate, and the first driven wheel drives the second driven wheel to rotate by the second belt, driving wheel
Also the 3rd driven wheel is driven to rotate by the 3rd belt, so as to fulfill upper left rotation axis, upper right rotation axis, lower-left rotation axis and the right side
Rotated while Shaft, bulky grain coal sample enters in cabinet from feed inlet, by upper left rotation axis, upper right rotation axis
Bulky grain Light comminution is realized that level-one crushes, is then rotated by lower-left rotation axis and bottom right by the first spike-tooth and the second spike-tooth
The first spike-tooth and the second spike-tooth on axis continue precision and crush, and realize that two level crushes, in this way, coal sample reaches by crushing twice
Good crushing effect, energy consumption are less;In addition, sieve plate can screen the particle after crushing, less particle
Discharged along inclined sieve plate from discharge port, dust then enters dust intracavitary, due to the setting of wind turbine, can be blown to dust intracavitary
Enter high wind, so that dust is blowed to dust outlet discharge.The utility model will crush and screening is integrated in one, and has not only simplified work
Sequence, alleviates workload, improves work efficiency, and crushing effect and dust discharge effect are preferable, easy to operate, most critical
It is largely to reduce cost.
Further, the end of first spike-tooth and the second spike-tooth is top integrally formed with hemispherical, the dome
It is vertical with the sphere that hemispherical is top integrally formed with equally distributed more root posts, the column on the sphere of point.It is such
Structure design, the first spike-tooth and the second spike-tooth are easier to puncture coal sample, further improve crushing effect, improve efficiency, reduce
Energy consumption.
Further, the distance between the most significant end of the sieve plate and the second spike-tooth end size are 4 ㎝ -6 ㎝.Such knot
Structure designs, and structure is compacter, further reduces the cost.
Further, the bottom of support frame as described above is equipped with the universal wheel of strap brake.Such structure design, can be as needed
The arbitrarily installation site of the adjustment present apparatus and fixation, mitigate the workload of staff, improve work efficiency significantly.
Further, the bar wall of first spike-tooth and the second spike-tooth is radially integrally formed with more equally distributed reinforcements
Muscle, the reinforcing rib is twist.Such structure design, can not only increase rubbing for the first spike-tooth and the second spike-tooth and coal sample
Power is wiped, further improves crushing effect, and the structural strength of the first spike-tooth and the second spike-tooth can be increased, extension uses the longevity
Life.
Brief description of the drawings
The utility model can be further illustrated by the nonlimiting examples that attached drawing provides;
Fig. 1 is that a kind of controllable gas adsorption desorption experiment coal sample of moisture of the utility model crushes and screens device implementation
The schematic cross-sectional view of example;
Fig. 2 is that a kind of controllable gas adsorption desorption experiment coal sample of moisture of the utility model crushes and screens device implementation
The dimensional structure diagram of disintegrating mechanism in example;
Symbol description in diagram is as follows:
Supporting rack 1, cabinet 2, driving motor 3, the first belt 4, feed inlet 5, discharge port 6, upper left rotation axis 7, the first roller
The 71, first spike-tooth 710 of cylinder, the first driven wheel 72, lower-left rotation axis 8, the second roller 81, the second spike-tooth 810, driving wheel 82, sieve
Plate 9, dust chamber 10, dust outlet 11, wind turbine 12, level board 120.
Embodiment
It is right with reference to the accompanying drawings and examples in order to make those skilled in the art that the utility model may be better understood
Technical solutions of the utility model further illustrate.
As shown in Figure 1 and Figure 2, a kind of controllable gas adsorption desorption experiment coal sample of moisture of the utility model crushes
Screening plant, including supporting rack 1, cabinet 2, driving 3 and first belt 4 of motor, cabinet 2 are fixedly mounted on 1 top of supporting rack, machine
The top of case 2 is equipped with feed inlet 5, and the lower part of 2 right side wall of cabinet is equipped with discharge port 6, disintegrating mechanism, disintegrating mechanism are equipped with cabinet 2
Including upper left rotation axis 7, upper right rotation axis, lower-left rotation axis 8 and bottom right rotation axis, upper left rotation axis 7 and bottom right rotation axis knot
Structure is identical, and upper right rotation axis is identical with 8 structure of lower-left rotation axis, and upper left rotation axis 7 is integrally formed with the first roller 71, the first roller
The first spike-tooth of multiple row 710 is provided with 71 side wall, lower-left rotation axis 8 is integrally formed with the second roller 81, the side of the second roller 81
Be provided with the second spike-tooth of multiple row 810 on wall, the first spike-tooth of multiple row 710 and the radially even distribution of the second spike-tooth of multiple row 810 and
It is equidistant vertically to be arranged in round, 810 phase of the first spike-tooth 710 and the second spike-tooth in upper left rotation axis 7 and upper right rotation axis
Mutually interlock and do not contact, the friendship between the first spike-tooth 710 and the second spike-tooth 810 in upper left rotation axis 7 and upper right rotation axis
Wrong depth dimensions is less than staggeredly deep between the first spike-tooth 710 and the second spike-tooth 810 in lower-left rotation axis 8 and bottom right rotation axis
It is driven that the sustained height position of left end through the cabinet 2 of degree size, upper left rotation axis 7 and upper right rotation axis is separately installed with first
Install respectively the sustained height position of left end through the cabinet 2 of 72 and second driven wheel of wheel, lower-left rotation axis 8 and bottom right rotation axis
There is 82 and the 3rd driven wheel of driving wheel, the power output end of driving motor 3 is sequentially connected with driving wheel 82, and the first belt 4 is tensioned
It is tensioned on the first driven wheel 72 and driving wheel 82, on the first driven wheel 72 and the second driven wheel and is arranged with cross-shaped second
Belt, on 82 and the 3rd driven wheel of driving wheel tensioning be arranged with the 3rd cross-shaped belt, 2 inner wall of cabinet is in lower-left rotation axis
8 and the inclined downward of bottom right rotation axis be equipped with sieve plate 9, the most significant end of sieve plate 9 and the second spike-tooth leave gap between 810 end,
The left side wall, right side wall and bottom of sieve plate 9 and cabinet 2 form dust chamber 10, and the bottom angled of cabinet 2 is set and inclined side
To with 9 contrast of sieve plate, dust chamber 10 the minimum of 2 bottom of cabinet is placed exactly in equipped with dust outlet 11 and dust outlet 11
Position, discharge port 6 are located at the end of sieve plate 9, and the bottom of 2 right side wall of cabinet is integrally formed with level board 120, on level board 120
Wind turbine 12 is installed, the air outlet of wind turbine 12 is threaded through on 2 right side wall of cabinet and stretches into dust chamber 10.
In the present embodiment, in use, starting driving motor 3, driving motor 3 rotates driving wheel 82, passes through the first belt 4
The first driven wheel 72 is driven to rotate, the first driven wheel 72 drives the second driven wheel to rotate by the second belt, and driving wheel 82 is also logical
Crossing the 3rd belt drives the 3rd driven wheel to rotate, so as to fulfill upper left rotation axis 7, upper right rotation axis, lower-left rotation axis 8 and bottom right
Rotated while rotation axis, bulky grain coal sample enters in cabinet 2 from feed inlet 5, by upper left rotation axis 7, upper right rotation axis
The first spike-tooth 710 and the second spike-tooth 810 by bulky grain Light comminution, realize that level-one crushes, then by 8 He of lower-left rotation axis
The first spike-tooth 710 and the second spike-tooth 810 in the rotation axis of bottom right continue precision and crush, and realize that two level crushes, in this way, coal sample is passed through
Crush twice, reached good crushing effect, energy consumption is less;In addition, sieve plate 9 can sieve the particle after crushing
Choosing, less particle are discharged along inclined sieve plate 9 from discharge port 6, and dust then enters in dust chamber 10, due to setting for wind turbine 12
Put, high wind can be blown into dust chamber 10, discharged so that dust is blowed to dust outlet 11.
Preferably, the end of the first spike-tooth 710 and the second spike-tooth 810 is top integrally formed with hemispherical, dome
It is vertical with the sphere that hemispherical is top integrally formed with equally distributed more root posts, column on the sphere of point.Such structure
Design, the first spike-tooth 710 and the second spike-tooth 810 are easier to puncture coal sample, further improve crushing effect, improve efficiency, drop
Low energy consumption.In fact, the other structures of the first spike-tooth 710 and the second spike-tooth 810 can also be specifically considered according to actual conditions.
Preferably, the distance between 810 end of the most significant end of sieve plate 9 and the second spike-tooth size is 4 ㎝ -6 ㎝.It is such
Structure design, structure is compacter, further reduces the cost.In fact, sieve plate 9 can also be specifically considered according to actual conditions
The distance between 810 end of most significant end and the second spike-tooth.
Preferably, the bottom of supporting rack 1 is equipped with the universal wheel of strap brake.Such structure design, can be as needed
The arbitrarily installation site of the adjustment present apparatus and fixation, mitigate the workload of staff, improve work efficiency significantly.In fact,
Other modes easy to move and fix can also be specifically considered according to actual conditions.
Preferably, the bar wall of the first spike-tooth 710 and the second spike-tooth 810 is radially equally distributed integrally formed with more
Reinforcing rib, reinforcing rib is twist.Such structure design, can not only increase the first spike-tooth 710 and the second spike-tooth 810 and coal
The frictional force of sample, further improves crushing effect, and can increase the structural strength of the first spike-tooth 710 and the second spike-tooth 810,
Prolong the service life.In fact, other of the first spike-tooth 710 and the second spike-tooth 810 can also be specifically considered according to actual conditions
Structure.
The merely exemplary explanation the principle and effect of the utility model of above-described embodiment are new not for this practicality is limited
Type.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the utility model
Modifications and changes.Therefore, all those of ordinary skill in the art are without departing from the revealed spirit of the utility model
With all equivalent modifications completed under technological thought or change, should be covered by the claim of the utility model.
Claims (5)
1. a kind of controllable gas adsorption desorption experiment coal sample of moisture crushes and screens device, it is characterised in that:Including support
Frame (1), cabinet (2), driving motor (3) and the first belt (4), the cabinet (2) are fixedly mounted on supporting rack (1) top, institute
State and feed inlet (5) is equipped with the top of cabinet (2), the lower part of cabinet (2) right side wall is equipped with discharge port (6), and the cabinet (2) is interior
Equipped with disintegrating mechanism, the disintegrating mechanism includes upper left rotation axis (7), upper right rotation axis, lower-left rotation axis (8) and bottom right rotation
Shaft, the upper left rotation axis (7) is identical with bottom right rotation axle construction, upper right rotation axis and lower-left rotation axis (8) structure
Identical, the upper left rotation axis (7) is integrally formed with the first roller (71), and multiple row is provided with the side wall of first roller (71)
First spike-tooth (710), the lower-left rotation axis (8) are integrally formed with the second roller (81), on the side wall of second roller (81)
The second spike-tooth of multiple row (810) is provided with, first spike-tooth of multiple row (710) and the second spike-tooth of multiple row (810) are radially equal
Even distribution and it is equidistant vertically arranged in round, the first spike-tooth on the upper left rotation axis (7) and upper right rotation axis
(710) and the second spike-tooth (810) is interlaced and do not contact, the first nail on the upper left rotation axis (7) and upper right rotation axis
Interleave depth size between tooth (710) and the second spike-tooth (810) is less than first in lower-left rotation axis (8) and bottom right rotation axis
A left side for interleave depth size between spike-tooth (710) and the second spike-tooth (810), the upper left rotation axis (7) and upper right rotation axis
End is separately installed with the first driven wheel (72) and the second driven wheel, the lower-left rotation through the sustained height position of cabinet (2)
The sustained height position of axis (8) and the left end of bottom right rotation axis through cabinet (2) be separately installed with driving wheel (82) and the 3rd from
Driving wheel, power output end and the driving wheel (82) of the driving motor (3) are sequentially connected, and first belt (4) is stretched in the
On one driven wheel (72) and driving wheel (82), on first driven wheel (72) and the second driven wheel tensioning be arranged with it is cross-shaped
The second belt, on the driving wheel (82) and the 3rd driven wheel tensioning be arranged with the 3rd cross-shaped belt, the cabinet
(2) inner wall is equipped with sieve plate (9) in the inclined downward of lower-left rotation axis (8) and bottom right rotation axis, the most significant end of the sieve plate (9) with
Gap is left between second spike-tooth (810) end, the sieve plate (9) and the left side wall, right side wall and bottom of cabinet (2) form powder
Dirt chamber (10), the bottom angled of the cabinet (2) is set and inclined direction and sieve plate (9) contrast, the dust chamber
(10) it is equipped with dust outlet (11) and dust outlet (11) is placed exactly in the extreme lower position of cabinet (2) bottom, the discharge port
(6) it is located at the end of sieve plate (9), the bottom of cabinet (2) right side wall is integrally formed with level board (120), the level board
(120) wind turbine (12) is installed, the air outlet of the wind turbine (12) is threaded through on cabinet (2) right side wall and stretches into dust chamber on
(10) in.
2. a kind of controllable gas adsorption desorption experiment coal sample of moisture according to claim 1 crushes and screens device,
It is characterized in that:The end of first spike-tooth (710) and the second spike-tooth (810) is top integrally formed with hemispherical, and described half
It is vertical with the sphere that hemispherical is top integrally formed with equally distributed more root posts, the column on the sphere of spherical centre.
3. a kind of controllable gas adsorption desorption experiment coal sample of moisture according to claim 2 crushes and screens device,
It is characterized in that:The distance between the most significant end of the sieve plate (9) and the second spike-tooth (810) end size are 4 ㎝ -6 ㎝.
4. a kind of controllable gas adsorption desorption experiment coal sample of moisture according to claim 3 crushes and screens device,
It is characterized in that:The bottom of support frame as described above (1) is equipped with the universal wheel of strap brake.
5. a kind of controllable gas adsorption desorption experiment coal sample of moisture according to claim 4 crushes and screens device,
It is characterized in that:The bar wall of first spike-tooth (710) and the second spike-tooth (810) is radially uniformly distributed integrally formed with more
Reinforcing rib, the reinforcing rib is twist.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110749720A (en) * | 2019-09-29 | 2020-02-04 | 华北科技学院 | Simulation experiment device for researching gas desorption rule under condition of wind flow driving coal migration |
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2017
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110749720A (en) * | 2019-09-29 | 2020-02-04 | 华北科技学院 | Simulation experiment device for researching gas desorption rule under condition of wind flow driving coal migration |
CN110749720B (en) * | 2019-09-29 | 2022-01-04 | 华北科技学院 | Simulation experiment device for researching gas desorption rule under condition of wind flow driving coal migration |
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