CN108168978A - Coal sample manual humidification's quantification control method and device - Google Patents
Coal sample manual humidification's quantification control method and device Download PDFInfo
- Publication number
- CN108168978A CN108168978A CN201810029127.4A CN201810029127A CN108168978A CN 108168978 A CN108168978 A CN 108168978A CN 201810029127 A CN201810029127 A CN 201810029127A CN 108168978 A CN108168978 A CN 108168978A
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- China
- Prior art keywords
- coal sample
- water tank
- plate
- sample plate
- shaft
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
Abstract
The invention discloses a kind of coal sample manual humidification quantification control devices, including shell, water tank, coal sample plate, vacuum pump and controller, water tank and coal sample plate may be contained in the seal cavity of shell formation, the lower part setting gravity sensor of coal sample plate, water tank is uncovered structure, coal sample plate and gravity sensor may be contained within the top of water tank opening, setting heating unit in water tank, coal sample plate is made of orifice plate, coal sample plate is connected with heating unit, vacuum pump is connected with the seal cavity that shell is formed, and controller is connected respectively with gravity sensor and vacuum pump.The invention also discloses a kind of coal sample manual humidification quantification control methods, the of poor quality of coal sample to be measured is measured by gravity sensor and controls coal sample moisture content, coal sample plate is heated to more than water vapour condensing temperature by heating unit, water vapour is avoided to be liquefied as droplet on coal sample plate, moisture control error is caused, while also is able to save the water vapour energy.
Description
Technical field
The present invention relates to mine gas prevention and control technical field, more particularly to a kind of coal sample manual humidification quantification controlling party
Method and device.
Background technology
Gas refers to the pernicious gas based on methane being mainly made of in mine coal bed gas, sometimes independent nail alkane,
Gas is a kind of colourless, tasteless, the odorless, gas that can burn or explode, is insoluble in water, diffusivity compared with air height, gas without
Poison, but it is dense when, asphyxia can be caused.Coal-bed gas is also known as coal mine gas, coal bed gas, is the first escaped from coal and country rock
The mixed gas of the compositions such as alkane, carbon dioxide and nitrogen.Gas is the adverse factor in coal production, it not only pollutes air, and
And when gas bearing capacity is 5%~16% in air, meeting fire can set off an explosion, and cause the accident.Gas explosion be it is preventable,
Gas Outburst is also foreseeable, as often measured the gas bearing capacity in the air of tunnel, measures gas emission, and taken
Effect ventilation, No Open Flames, advance extraction, exploits protective layer, the manually measures such as prominent, can ensure the safety of coal production.
Research coal seam gas adsorption desorption properties are to carry out the key point of mine gas prevention and control, influence gas absorption
Factor it is numerous, research shows that, moisture the gas adsorption amount of coal is influenced it is notable, during underground is mined, coal-bed flooding,
The measures such as atomizing de-dusting vary widely the moisture in coal seam, therefore are highly desirable research different in moisture Coal Under
The adsorpting characteristic of sample, during research moisture influences coal adsorption gas, during by controlling steam flow and be passed through steam
Between control coal sample moisture content, since there are, there are a large amount of droplets, led on a large amount of vapor and chamber wall and duct wall in container
Cause vapour losses amount is big, and moisture control error is larger;Device be that steam is passed through by pipeline, do not consider steam in air
Middle Liquefaction causes moisture control precision poor.
Therefore, how to change in the prior art, the big present situation of the moisture control error of coal sample humidifier, is this field
Technical staff's urgent problem to be solved.
Invention content
It is above-mentioned existing to solve the object of the present invention is to provide a kind of coal sample manual humidification quantification control method and device
Technology there are the problem of, the moisture control precision in coal sample humidification is made to be improved, while save steam energy.
To achieve the above object, the present invention provides following schemes:The present invention provides a kind of coal sample manual humidification quantification
Control device, including shell, water tank, coal sample plate, vacuum pump and controller, the water tank and the coal sample plate may be contained within described
In the seal cavity that shell is formed, the lower part of coal sample plate setting gravity sensor, the water tank is uncovered structure, the coal
Model and the gravity sensor may be contained within the top of the water tank opening, heating unit, the coal being set in the water tank
Model is made of orifice plate, and the coal sample plate is connected with the heating unit, the annular seal space that the vacuum pump is formed with the shell
Body is connected, and the controller is connected respectively with the gravity sensor and the vacuum pump.
Preferably, coal sample manual humidification quantification control device further includes shaft and motor, the output terminal of the motor with
One end of the shaft is sequentially connected, and the other end of the shaft is connected across the water tank with the coal sample plate, the motor
The lower part of the water tank is set to, the shaft passes through makees encapsulation process at the water tank bottom, and the shaft can drive institute
The rotation of coal sample plate is stated, the axis of the shaft is overlapped with the axis of the coal sample plate.
Preferably, the controller is connected with the motor, and the shaft is hollow-core construction, and the heating unit is by setting
It puts the conducting wire in the rotary shaft hollow portion with the coal sample plate to be connected, the hollow portion of the shaft also sets up vacuum line, described
Vacuum line is connected with the vacuum pump.
Preferably, the bottom setting supporting plate of the coal sample plate, the shaft are connected across the supporting plate with the coal sample plate.
Preferably, coal sample manual humidification quantification control device further includes baffle, and the baffle is fixed on the water tank
Bottom, the baffle are curved baffle, and the baffle is described from the side wall of the water tank towards the centrally disposed of the coal sample plate
The maximum gauge of baffle is small compared with the diameter of the water tank.
Preferably, the baffle is made of copper material, and the baffle is connected with the heating unit.
Preferably, sieve plate is also set up in the water tank, uniformly distributed sieve pore is set on the sieve plate, the sieve plate is set to institute
State the top of heating unit.
Preferably, the shell includes ontology and cover, and the ontology is detachably connected with the cover, the ontology and
Seal trim strip is set between the cover.
Preferably, handle is set on the housing.
Preferably, the external setting protective cover of the gravity sensor, the protective cover are fixed on the coal sample plate.
The present invention also provides a kind of coal sample manual humidification quantification control methods, pass through the gravity sensor of coal sample plate lower part
Perceive the of poor quality of coal sample, the moisture content of the as coal sample of poor quality of coal sample.
The present invention achieves following technique effect relative to the prior art:The coal sample manual humidification quantification control of the present invention
Device, including shell, water tank, coal sample plate, vacuum pump and controller, water tank and coal sample plate may be contained within the annular seal space that shell is formed
In vivo, the lower part setting gravity sensor of coal sample plate, water tank is uncovered structure, and coal sample plate and gravity sensor may be contained within water tank
The top of opening, setting heating unit, coal sample plate are made of orifice plate in water tank, and coal sample plate is connected with heating unit, vacuum pump and
The seal cavity that shell is formed is connected, and controller is connected respectively with gravity sensor and vacuum pump.The present invention also provides one kind
Coal sample manual humidification's quantification control method measures the of poor quality of coal sample to be measured by gravity sensor and controls coal sample aqueous
Coal sample plate is heated to more than water vapour condensing temperature by rate, heating unit, and water vapour is avoided to be liquefied as droplet on coal sample plate, is made
Into moisture control error, while it also is able to save the water vapour energy.
Description of the drawings
It in order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the present invention
Example, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the overall structure diagram of coal sample manual humidification's quantification control device of the present invention;
Wherein, 1 is shell, and 2 be water tank, and 3 be coal sample plate, and 4 be vacuum pump, and 5 devices in order to control, 6 be heating unit, and 7 is turn
Axis, 8 be motor, and 9 be supporting plate, and 10 be baffle, and 11 be sieve plate.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
It is above-mentioned existing to solve the object of the present invention is to provide a kind of coal sample manual humidification quantification control method and device
Technology there are the problem of, the moisture control precision in coal sample humidification is made to be improved, while save steam energy.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, it is below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is described in further detail.
It please refers to Fig.1, Fig. 1 is the overall structure diagram of coal sample manual humidification's quantification control device of the present invention.
The present invention provides a kind of coal sample manual humidification quantification control device, including shell 1, water tank 2, coal sample plate 3, vacuum
Pump 4 and controller 5, water tank 2 and coal sample plate 3 may be contained in the seal cavity of the formation of shell 1, and shell 1 is retractable, and shell 1 closes
During conjunction, inside formed sealing cavity, coal sample plate 3 lower part setting gravity sensor, water tank 2 be uncovered structure, 3 He of coal sample plate
Gravity sensor may be contained within the top of the opening of water tank 2, setting heating unit 6 in water tank 2, coal sample plate 3 is made of orifice plate, coal sample
Plate 3 is connected with heating unit 6, and vacuum pump 4 is connected with the seal cavity that shell 1 is formed, controller 5 respectively with gravity sensor
It is connected with vacuum pump 4.
Coal sample manual humidification's quantification control device of the present invention, the of poor quality of coal sample to be measured is measured by gravity sensor
Coal sample moisture content is controlled, coal sample plate 3 is heated to 1-2 DEG C of water vapour condensing temperature more than, water vapour is avoided to exist by heating unit 6
Droplet is liquefied as on coal sample plate 3, causes moisture control error, while also is able to save the water vapour energy.The aperture of coal sample plate 3
It can specifically be selected according to the coal sample of different-grain diameter, in other specific embodiments of the present invention, coal sample plate 3 is folded by two pieces of orifice plates
It adds and puts, two pieces of orifice plates are connected by connecting shaft, can be produced relative rotation between two pieces of orifice plates, by adjusting two pieces of orifice plates
Relative position achieve the purpose that adjust 3 aperture of coal sample plate, a plate is mostly used, cost-effective, improves operating efficiency.
Specifically, coal sample manual humidification quantification control device further includes shaft 7 and motor 8, and the output terminal of motor 8 is with turning
One end of axis 7 is sequentially connected, and the other end of shaft 7 is connected across water tank 2 with coal sample plate 3, and motor 8 is set to the lower part of water tank 2,
Shaft 7 passes through makees encapsulation process at 2 bottom of water tank, and shaft 7 can drive coal sample plate 3 to rotate, axis and the coal sample plate 3 of shaft 7
Axis overlap.Shaft 7 drives 3 uniform rotation of coal sample plate, the coal sample on coal sample plate 3 is made uniformly to be humidified, the axis of shaft 7
It is overlapped with the axis of coal sample plate 3, the stability of intensifier entirety.
Wherein, controller 5 is connected with motor 8, facilitate control motor 8 rotating speed, shaft 7 be hollow-core construction, heating unit 6
It is connected by the conducting wire for being arranged on 7 hollow portion of shaft with coal sample plate 3, the shaft 7 of hollow structure solves heating unit 6 and coal sample
The wire arrangements problem that plate 3 connects installs collector ring additional, avoids the problem that the coal sample plate 3 of rotation is connect with heating unit 6.In addition,
The hollow portion of shaft 7 also sets up vacuum line, and vacuum tube is extended in the seal cavity of the formation of shell 1, vacuum line and outside
Vacuum pump 4 be connected, in the course of work, vacuum pump 4 will vacuumize in seal cavity, in the environment for preventing temperature higher, coal sample with
Oxygen in air reacts, and influences the control accuracy of coal sample moisture content.
More specifically, the bottom setting supporting plate 9 of coal sample plate 3, supporting plate 9 play the role of supporting coal sample plate 3, shaft 7 passes through
Supporting plate 9 is connected with coal sample plate 3, and the position between shaft 7 and supporting plate 9 is adjustable, and then achievees the purpose that adjust 3 height of coal sample plate,
Can the distance between coal sample plate 3 and water tank 2 be adjusted according to the water level of water tank 2.Coal sample plate 3 and supporting plate 9 are detachable with shaft 7
While convenient for picking and placeing coal sample, the height of coal sample plate 3 can be adjusted flexibly in connection.
Further, coal sample manual humidification quantification control device further includes baffle 10, and baffle 10 is fixed on water tank 2 and is open
On the side wall at place, baffle 10 is curved baffle, and baffle 10 is from the side wall of water tank towards the centrally disposed of coal sample plate 3, effectively to keep away
The problem of exempting from water vapour waste, sets curved baffle 10, and water vapour is introduced to the upper surface of coal sample on coal sample plate 3, to coal sample into
Uniformly humidification, the baffle 10 of arc are 30-45 degree relative to the central angle of shaft 7 to row.
In addition, baffle 10 is made of copper material, liquid water is condensed into for water vapour is avoided to encounter baffle 10, baffle 10 is with adding
Thermal 6 is connected, and baffle 10 is heated to water vapour condensing temperature (100 DEG C) 1-2 DEG C of more than, prevents water vapour from liquefying.
Further, sieve plate 11 is also set up in water tank 2, uniformly distributed sieve pore is set on sieve plate 11, sieve plate 11 is set to heating
The top of device 6, sieve plate 11 are located in water tank 2 on water level line, and sieve plate 11 ensures that water vapour is uniformly upward, coal sample are carried out equal
Even humidification.
In other specific embodiments of the present invention, shell 1 includes ontology and cover, and ontology detachably connects with cover
It connects, can quickly opening and closing be realized by buckle or hasp, seal trim strip is set between ontology and cover, it is ensured that formed in shell 1 close
The cavity of envelope.
Further, handle is set on housing 1, the personnel of being conveniently operated pick and place coal sample and replace parts, are convenient for simultaneously
Device cleans.
In addition, in other specific embodiments of the present invention, the external of gravity sensor sets protective cover, and protective cover is solid
Due on coal sample plate 3, high temperature, moist environmental damage gravity sensor in anti-locking apparatus, extend gravity sensor uses the longevity
Life.It should also be noted that heat conduction is good outside protective cover, the temperature of coal sample plate 3 is absorbed, temperature is maintained at water vapour condensing temperature
(100 DEG C) 1-2 DEG C of more than should be noted that temperature is unsuitable excessively high, coal sample avoided to go bad under the high temperature conditions, water vapour is avoided to encounter guarantor
Shield is condensed into droplet, and the inside setting thermal insulation layer of protective cover protects gravity sensor, while need to ensure the setting of protective cover not
It can influence the mass change of gravity sensor sensing coal sample plate 3.
Coal sample manual humidification's quantification control device of the present invention, in use, adding water in water tank 2, heating unit 6 heats
Water in water tank 2 generates water vapour, and the vacuum pump 4 being connected with the seal cavity that shell 1 is formed works, and prevents coal sample in height
It reacts under the conditions of temperature with the oxygen in air, water vapour equably leads to coal sample by the sieve pore on sieve plate 11, water vapour
Coal sample on plate 3, motor 8 drive 3 uniform rotation of coal sample plate, enable the coal sample on coal sample plate 3 by the shaft 7 being attached thereto
Enough uniformly to be contacted with water vapour, water vapour is oriented to the upper surface of coal sample by the baffle 10 of arc, avoids the upper surface of coal sample under
Surface humidification is uneven, and water vapour encounters coal sample plate 3 and baffle 10 is condensed into liquid to avoid, and heating unit 6 is persistently to coal sample plate 3
It is heated with baffle 10, controller 5 accurately controls coal sample moisture content by controlling and adjusting heating temperature.
The present invention also provides a kind of coal sample manual humidification quantification control methods, pass through the gravity sensitive of 3 lower part of coal sample plate
Device obtains the of poor quality of coal sample, and the water content of the as coal sample of poor quality of coal sample changes in the prior art by controlling steam stream
Amount and time control moisture content;For vapor is avoided to cause measuring result error in the liquefaction of the devices such as sensor, by sensor
It is heated to more than vapor condensing temperature with coal sample plate.
Specific case is applied in the present invention to be expounded the principle of the present invention and embodiment, above example
Illustrate to be merely used to help understand method and its core concept of the invention;Meanwhile for those of ordinary skill in the art, according to
According to the thought of the present invention, in specific embodiments and applications there will be changes.In conclusion the content of the present specification
It should not be construed as limiting the invention.
Claims (10)
1. a kind of coal sample manual humidification quantification control device, it is characterised in that:Including shell, water tank, coal sample plate, vacuum pump and
Controller, the water tank and the coal sample plate may be contained in the seal cavity that the shell is formed, the lower part of the coal sample plate
Gravity sensor is set, and the water tank is uncovered structure, and the coal sample plate and the gravity sensor may be contained within the water tank
The top of opening, the interior setting heating unit of the water tank, the coal sample plate are made of orifice plate, and the coal sample plate is filled with the heating
Put connected, the vacuum pump is connected with the seal cavity that the shell is formed, the controller respectively with the gravity sensitive
Device is connected with the vacuum pump.
2. coal sample manual humidification quantification control device according to claim 1, it is characterised in that:Further include shaft and electricity
Machine, the output terminal of the motor and one end of the shaft are sequentially connected, and the other end of the shaft passes through the water tank and institute
It states coal sample plate to be connected, the motor is set to the lower part of the water tank, and the shaft, which passes through, to be made at the water tank bottom at sealing
Reason, the shaft can drive the coal sample plate to rotate, and the axis of the shaft is overlapped with the axis of the coal sample plate.
3. coal sample manual humidification quantification control device according to claim 2, it is characterised in that:The controller and institute
It states motor to be connected, the shaft is hollow-core construction, and the heating unit is by being arranged on conducting wire and the institute in the rotary shaft hollow portion
It states coal sample plate to be connected, the hollow portion of the shaft also sets up vacuum line, and the vacuum line is connected with the vacuum pump.
4. coal sample manual humidification quantification control device according to claim 3, it is characterised in that:The bottom of the coal sample plate
Portion sets supporting plate, and the shaft is connected across the supporting plate with the coal sample plate.
5. coal sample manual humidification quantification control device according to claim 1, it is characterised in that:Baffle is further included, institute
State the bottom that baffle is fixed on the water tank, the baffle is curved baffle, and the baffle is from the side wall of the water tank towards institute
The centrally disposed of coal sample plate is stated, the maximum gauge of the baffle is small compared with the diameter of the water tank.
6. coal sample manual humidification quantification control device according to claim 5, it is characterised in that:The baffle is by copper material
Matter is made, and the baffle is connected with the heating unit.
7. coal sample manual humidification quantification control device according to claim 1, it is characterised in that:It is also set in the water tank
Sieve plate is put, uniformly distributed sieve pore is set on the sieve plate, the sieve plate is set to the top of the heating unit.
8. coal sample manual humidification quantification control device according to claim 1, it is characterised in that:The shell includes this
Body and cover, the ontology are detachably connected with the cover, and seal trim strip is set between the ontology and the cover.
9. coal sample manual humidification quantification control device according to claim 1, it is characterised in that:It is set on the housing
Handle, the external setting protective cover of the gravity sensor, the protective cover are fixed on the coal sample plate.
10. a kind of coal sample manual humidification quantification control method utilizes claim 1-9 any one of them coal sample manual humidifications
Quantification control device, it is characterised in that:Of poor quality, the matter of coal sample of coal sample is perceived by the gravity sensor of coal sample plate lower part
Amount difference is the moisture content of coal sample.
Priority Applications (1)
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CN201810029127.4A CN108168978A (en) | 2018-01-12 | 2018-01-12 | Coal sample manual humidification's quantification control method and device |
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CN201810029127.4A CN108168978A (en) | 2018-01-12 | 2018-01-12 | Coal sample manual humidification's quantification control method and device |
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CN201810029127.4A Pending CN108168978A (en) | 2018-01-12 | 2018-01-12 | Coal sample manual humidification's quantification control method and device |
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Cited By (2)
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---|---|---|---|---|
CN110205150A (en) * | 2019-07-02 | 2019-09-06 | 北京康威盛热能技术有限责任公司 | A kind of improved coking coal humidifying method and apparatus |
CN114964951A (en) * | 2022-04-25 | 2022-08-30 | 中国矿业大学(北京) | Method capable of uniformly wetting coal sample |
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