CN208347819U - A kind of three-level dust removal system based on PLC control - Google Patents
A kind of three-level dust removal system based on PLC control Download PDFInfo
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- CN208347819U CN208347819U CN201820360256.7U CN201820360256U CN208347819U CN 208347819 U CN208347819 U CN 208347819U CN 201820360256 U CN201820360256 U CN 201820360256U CN 208347819 U CN208347819 U CN 208347819U
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- sedimentation basin
- dust removal
- dust
- underground
- switch
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Abstract
The utility model discloses a kind of three-level dust removal systems based on PLC control, including lane wall, PLC logic controller, underground blast pipe and sedimentation basin, the lane pars intramuralis is placed with coalcutter, the coalcutter is located at crosspiece side and is uniformly fixedly installed with nozzle ring, the nozzle ring is fixedly connected by pipeline with sedimentation basin, underground water supplying pipe is fixedly connected in the middle part of the sedimentation basin one side, the sedimentation basin inner wall is located at underground water supplying pipe side movable suspension and hangs with ball-cock assembly, the ball-cock assembly is matched with underground water supplying pipe, there are two hydraulic supports by pipeline fixed installation for the plunger pump output terminal, the hydraulic support side is uniformly fixedly installed with high pressure atomizing nozzle；Water in dust removal is atomized using high-pressure atomization spray head, so that water for dust removal nebulization efficiency is high, sinking speed is fast, preferable to the adsorption effect of coal dust, relative to the dust removal method of traditional spray sprinkler, the utility model dust removing effects are more preferable.
Description
Technical field
The utility model relates to coal mining technology field, specially a kind of three-level dust removal system based on PLC control.
Background technique
The widest dust suppression of China's coal-mine down-hole application is mainly with spray sprinkler depositing dust at present, however is sprayed at present
Watering and lowering dust method based on low pressure atomizing, since hydraulic pressure is low, causes atomizing effect poor, water resource waste is serious, is difficult to have again
Effect captures dust, especially to the efficiency of dust collection of breathing pattern dust less than 70%.The high condensation efficiency of grit and dust is by spraying
The main reason for high dust collection efficiency.Underground coal mine low pressure atomizing sprinkle water and spray is by inertial collision, diffusion, coagulation
Etc. modes carry out depositing dust.
The Dust Control Technology that home and abroad colliery is widely used at present mainly has coal-bed flooding, foam dust-removing, utilizes depositing dust
Device depositing dust, dust removal by ventilation, chemical dust suppression etc..These technologies play an important role to the prevention and treatment of underground mine dust, but various skills
Art still has deficiency.
But there are some drawbacks in use in traditional coalcutter dust removal method, such as:
The dust removal method of traditional spray sprinkler when in use, since most of coal dusts have certain hydrophobicity, the table of water
Face tension is larger, and many coal dusts are not easy by water complete wetting and capture, and efficiency of dust collection is lower, especially imitates to respirable dust dedusting
Rate is low, water consumption is big, spray head is easy blocking.
The method efficiency of dust collection of traditional dust removal by ventilation is low, simultaneously because air, which carries coal dust discharge, to cause air
Secondary pollution, therefore it is not recommended that promote the use of.
Utility model content
The purpose of this utility model is to provide a kind of three-level dust removal systems based on PLC control, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the utility model provides the following technical solutions: a kind of 3-stage dust-removal based on PLC control
System, including lane wall, hydraulic support, high pressure atomizing nozzle, the first heat are released switch, first manual switch, the first dust concentration and are passed
Sensor, PLC logic controller, solenoid valve, underground blast pipe, underground water supplying pipe, sewage draining valve, the second manual switch, sedimentation basin,
Filter, air motor, plunger pump, nozzle ring, coalcutter, the second sensor of dust concentration, the second heat release switch and second
Manual switch, the lane pars intramuralis are placed with coalcutter, and the coalcutter is located at crosspiece side and is uniformly fixedly installed with annular spray
Mouth, the nozzle ring are fixedly connected by pipeline with sedimentation basin, and underground confession is fixedly connected in the middle part of the sedimentation basin one side
Water pipe, the sedimentation basin inner wall are located at underground water supplying pipe side movable suspension and hang with ball-cock assembly, and the ball-cock assembly and underground supply
Water pipe matches, and the sedimentation basin is fixedly installed with plunger pump, the column by pipeline far from underground water supplying pipe one side top
Filling in pump output terminal, there are two hydraulic supports by pipeline fixed installation, and the hydraulic support side is uniformly fixedly installed with high pressure mist
Change nozzle；It is fixedly installed with solenoid valve in the middle part of the underground blast pipe, underground blast pipe one end is fixedly installed with pneumatic horse
It reaches, the air motor power output end is fixedly connected with plunger pump power intake, the solenoid valve and PLC logic controller
It is electrically connected.
Further, the sedimentation basin is located at water supplying pipe side face bottom and is fixedly installed with sewage draining valve.
Further, filter is fixedly installed on the pipeline between the sedimentation basin and plunger pump.
Further, first heat releases switch, first manual switchs and the first sensor of dust concentration passes through screw
It is fixedly mounted on lane wall one end side wall, second heat is released switch, the second manual switch and the second sensor of dust concentration and passed through
Screw is fixedly mounted on lane wall other end side wall.
Further, the nozzle ring is equidistantly mounted on coalcutter crosspiece side.
Further, the first dust concentration biography has been electrically connected in first signal input part of PLC logic controller
Sensor and the second sensor of dust concentration, the PLC logic controller output end is electrically connected with first manual switch, described
PLC logic controller output end is electrically connected with the second manual switch, the PLC logic controller second signal input terminal difference
Be electrically connected with the first heat release switch and the second heat release switch.
Compared with prior art, the utility model has the beneficial effects that
Water in dust removal by being atomized by the utility model using high-pressure atomization spray head, so that water for dust removal nebulization efficiency
It is high, sinking speed is fast, preferable to the adsorption effect of coal dust, to be atomized small water droplet and quickly capture coal dust and adsorbed and take
Band sedimentation, relative to the dust removal method of traditional spray sprinkler, the utility model dust removing effects are more preferable.
By atomizing the liquid into using atomizer, allow the liquid to capture the coal dust in air, since coal dust is by water
Drop carries, and increases self gravity, can rapid subsidence, therefore can be avoided the coal dust in air and be carried in atmosphere, make
At the secondary pollution of atmosphere.
Detailed description of the invention
Fig. 1 is the utility model overall system structure schematic diagram；
Fig. 2 is the utility model nozzle ring mounting structure schematic diagram.
In Fig. 1-2: the wall of the lane 1-；2- hydraulic support；3- high pressure atomizing nozzle；The first heat of 4- releases switch；5- first manual is opened
It closes；The first sensor of dust concentration of 6-；7-PLC logic controller；8- solenoid valve；The underground 9- blast pipe；The underground 10- water supplying pipe；
11- sewage draining valve；The second manual switch of 12-；13- sedimentation basin；14- filter；15- air motor；16- plunger pump；17- ring
Shape nozzle；18- coalcutter；The second sensor of dust concentration of 19-；The second heat of 20- releases switch；The second manual switch of 21-.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of technical solution referring to FIG. 1-2: a kind of three-level dust removal system based on PLC control,
Switch 4, first manual switch 5, the first dust concentration is released including lane wall 1, hydraulic support 2, high pressure atomizing nozzle 3, the first heat to pass
Sensor 6, PLC logic controller 7, solenoid valve 8, underground blast pipe 9, underground water supplying pipe 10, sewage draining valve 11, the second manual switch
12, sedimentation basin 13, filter 14, air motor 15, plunger pump 16, nozzle ring 17, coalcutter 18, the second dust concentration sensing
Device 19, the second heat release switch 20 and the second manual switch 21, and coalcutter 18, the coalcutter are placed with inside the lane wall 1
18, which are located at crosspiece side, is uniformly fixedly installed with nozzle ring 17, and the nozzle ring 17 connects by the way that pipeline and sedimentation basin 13 are fixed
It connects, underground water supplying pipe 10 is fixedly connected in the middle part of 13 one side of sedimentation basin, 13 inner wall of sedimentation basin is located at underground water supply
10 side movable suspension of pipe hangs with ball-cock assembly 12, and the ball-cock assembly 12 is matched with underground water supplying pipe 10, the sedimentation basin 13
Plunger pump 16 is fixedly installed with by pipeline far from 10 one side top of underground water supplying pipe, 16 output end of plunger pump passes through
There are two hydraulic supports 2 for pipeline fixed installation, and 2 side of hydraulic support is uniformly fixedly installed with high pressure atomizing nozzle 3；It is described
Solenoid valve 8 is fixedly installed in the middle part of underground blast pipe 9, described 9 one end of underground blast pipe is fixedly installed with air motor 15, institute
It states 15 power output end of air motor to be fixedly connected with 16 power intake of plunger pump, the solenoid valve 8 and PLC logic controller
7 are electrically connected, and 6 He of the first sensor of dust concentration has been electrically connected in 7 first signal input part of PLC logic controller
Second sensor of dust concentration 19,7 output end of PLC logic controller are electrically connected with first manual switch 5, the PLC
7 output end of logic controller is electrically connected with the second manual switch 21, the 7 second signal input terminal of PLC logic controller point
It is not electrically connected with that the first heat releases switch 4 and the second heat releases switch 20.
It is located at 10 side face bottom of water supplying pipe by the sedimentation basin 13 and is fixedly installed with sewage draining valve 11, being convenient for will
Sedimentation basin 13 is discharged through sewage draining valve 11 in the impurity of 13 internal precipitate of sedimentation basin, avoids blocking high pressure atomizing nozzle 3 and annular spray
Mouth 17；By being fixedly installed with filter 14 on the pipeline between the sedimentation basin 13 and plunger pump 16, convenient for passing through filter
14 pairs are further filtered with water by spraying, prevent blocking spray head；Switch 4, first manual switch 5 and first are released by first heat
Sensor of dust concentration 6 is fixedly mounted on 1 one end side wall of lane wall by screw, and it is manual that second heat releases switch 20, second
Switch 21 and the second sensor of dust concentration 6 are fixedly mounted on 1 other end side wall of lane wall by screw, exist convenient for staff
Tunnel both ends carry out manually controlling spray head water spray, convenient for that will not be sprayed to water in dust removal with protection staff；By described
Nozzle ring 17 is equidistantly mounted on 18 crosspiece side of coalcutter, convenient for being sufficiently humidified so as to settle to coal dust.
Further, the utility model includes three-level dust removal system:
Roller dust pelletizing system: 3-stage dust-removal device, every grade of dedusting dress are devised in one end of 18 drum central axis of coalcutter
Setting is nozzle ring 17 that water pipe is connected.Primary dust removing device forms radial high pressure water curtain, water by nozzle ring 17
It is adjustable for pressing, and radial water curtain surrounds 18 roller of coalcutter；Second level, three-level are sequentially increased water curtain pressure and coverage area.
Coalcutter fuselage dust pelletizing system: high pressure atomizing nozzle 3 is equally spacedly installed in coalcutter fuselage, atomisation pressure can
It adjusts, injector spacing should ensure that the spread of spray that nozzle is formed covers entire coalcutter 18, avoids injector spacing excessive, occurs blind
Area.
Hydraulic support dust pelletizing system: there are two installing above each hydraulic support 2 and more than two spray for dust suppression fill
It sets, injector spacing should ensure that the spread of spray that nozzle is formed covers entire fully-mechanized mining working and avoids injector spacing excessive, occur
Blind area.
Intelligent three-level high-pressure dust-cleaning system has the advantage that
(1) concentrate operation: pipeline automatic drain system concentrates operation, reliable and stable, and unmanned management may be implemented:
(2) energy consumption is reduced: directly using water, underground wind energy as power, without ancillary equipments such as additional motors；
(3) reliable dedusting: using mining water filter, purifies mine water, sufficiently solves influence of the water quality to system.It adopts
With high pressure nozzle, wearability is good, nebulization dust effect is good；
(5) easy to use: to utilize the existing wind energy of underground coal mine, water system, install very convenient；
(6) durability is good: the design of major mechanical device is simple, scientific, and failure rate is very low.
Working principle: in use, intelligent 3-stage dust-removal equipment releases switch using sensor of dust concentration and heat.When dust is dense
Degree sensor is when detecting that dust concentration is exceeded, while when heat releases switch and detects that tunnel does not nearby have worker, PLC logic control
Device 7 controls solenoid valve 8 and starts, at this point, air motor 15 is started to work under wind energy effect, then air motor 15 drives column again
Plug pump 16 works, and the start-up operation of high pressure atomizing nozzle 3 on coalcutter 18 and hydraulic support 2 soaks lane wall 1.
If dust concentration is exceeded, pyroelectric sensor detects someone in tunnel, and tunnel is about 10 meters, alarm system
Start, staff is reminded to leave, it is contemplated that personnel can reach safety zone after 10S, then high-pressure atomization spray head 3 starts after 10S
Starting, depositing dust start, and when dust concentration is lower than warning value, then the high-pressure atomization spray head 3 on hydraulic support 2 stops by spraying.Rolling
Cylinder three-level high pressure water curtain is suitably adjusted.Assuming that, when dust concentration is exceeded, pyroelectricity detects when having three people to pass sequentially through tunnel
Manual switch continues to close when first man, when waiting that most a people passes through, then starts by spraying, water is prevented to be sprayed into miner.When
Sensor of dust concentration or pyroelectric infrared sensor are wherein or when whole failures in tunnel, to achieve the effect that timely depositing dust,
Intelligent high-pressure spraying system is equipped with manual switch, can effectively open atomizing de-dusting.Unmanned guard can be achieved in intelligent high-pressure by spraying,
Real time monitoring underground coal mine dust concentration situation simultaneously automatically processes.Thermoelectric Infrared Sensor prevents water mist spray simultaneously
To with miner, safety and sanitation.
Compression wind energy in tunnel in the intelligent three-level high-pressure dust-cleaning reference existing wind path pipeline of underground coal mine, by pneumatic horse
Mechanical energy is converted wind energy into up to 15 to drive plunger pump 16 to work, since underground coal mine water quality containing some in addition to may filter that
Impurity other indices it is all good, therefore must be filtered in advance using mine water.By underground coal mine water through sedimentation basin
13 precipitated impurities carry out first time filtering, then pass through the mining filtering of water filter 14 second again by the water that sedimentation basin flows out
Secondary, then low pressure water flow works as power source drive plunger pump 16 through plunger pump 16, air motor 15, converts low pressure water to
High pressure water is ready for high-pressure atomization spray head 3.Plunger pump 16 is driven to realize low pressure water to high pressure water using air motor 15
Conversion solves the problems, such as to convert low pressure water bring Electrical Safety using motor.
Coalcutter 18 uses the combination of internal spraying and outer high pressure water curtain.High pressure annular water curtain is that high pressure water passes through nozzle ring
17 high-pressure injections diffusion wraps dust source to be isolated from the outside.High-pressure fog not only can settle powder by interception function
Dirt, and there are also cooling pick, wet coal seam and the effects for preventing cutting spark.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. it is a kind of based on PLC control three-level dust removal system, including lane wall (1), hydraulic support (2), high pressure atomizing nozzle (3),
First heat releases switch (4), first manual switch (5), the first sensor of dust concentration (6), PLC logic controller (7), solenoid valve
(8), underground blast pipe (9), underground water supplying pipe (10), sewage draining valve (11), the second manual switch (21), sedimentation basin (13), mistake
Filter (14), air motor (15), plunger pump (16), nozzle ring (17), coalcutter (18), the second sensor of dust concentration
(19), the second heat releases switch (20) and the second manual switch (21), it is characterised in that: is placed with coal mining inside the lane wall (1)
Machine (18), the coalcutter (18) are located at crosspiece side and are uniformly fixedly installed with nozzle ring (17), the nozzle ring (17)
It is fixedly connected by pipeline with sedimentation basin (13), is fixedly connected with underground water supplying pipe in the middle part of sedimentation basin (13) one side
(10), sedimentation basin (13) inner wall is located at underground water supplying pipe (10) side movable suspension and hangs with ball-cock assembly (12), described floating
Ball valve (12) is matched with underground water supplying pipe (10), and the sedimentation basin (13) passes through far from underground water supplying pipe (10) one side top
Pipeline is fixedly installed with plunger pump (16), and there are two hydraulic supports by pipeline fixed installation for plunger pump (16) output end
(2), hydraulic support (2) side is uniformly fixedly installed with high pressure atomizing nozzle (3)；It is solid in the middle part of the underground blast pipe (9)
Dingan County is equipped with solenoid valve (8), and described underground blast pipe (9) one end is fixedly installed with air motor (15), the air motor
(15) power output end is fixedly connected with plunger pump (16) power intake, the solenoid valve (8) and PLC logic controller (7)
It is electrically connected.
2. a kind of three-level dust removal system based on PLC control according to claim 1, it is characterised in that: the sedimentation basin
(13) it is located at water supplying pipe (10) side face bottom and is fixedly installed with sewage draining valve (11).
3. a kind of three-level dust removal system based on PLC control according to claim 1, it is characterised in that: the sedimentation basin
(13) filter (14) are fixedly installed on the pipeline between plunger pump (16).
4. a kind of three-level dust removal system based on PLC control according to claim 1, it is characterised in that: first heat
It releases switch (4), first manual switch (5) and the first sensor of dust concentration (6) and lane wall (1) one is fixedly mounted on by screw
End side wall, second heat release switch (20), the second manual switch (21) and the second sensor of dust concentration (19) and pass through screw
Nail is fixedly mounted on lane wall (1) other end side wall.
5. a kind of three-level dust removal system based on PLC control according to claim 1, it is characterised in that: the annular spray
Mouth (17) is equidistantly mounted on coalcutter (18) crosspiece side.
6. a kind of three-level dust removal system based on PLC control according to claim 1, it is characterised in that: the PLC logic
The first sensor of dust concentration (6) and the second dust concentration sensing has been electrically connected in (7) first signal input part of controller
Device (19), PLC logic controller (7) output end are electrically connected with first manual switch (5), the PLC logic controller
(7) output end is electrically connected with the second manual switch (21), and PLC logic controller (7) the second signal input terminal is electric respectively
Property is connected with that the first heat releases switch (4) and the second heat releases switch (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820360256.7U CN208347819U (en) | 2018-03-16 | 2018-03-16 | A kind of three-level dust removal system based on PLC control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820360256.7U CN208347819U (en) | 2018-03-16 | 2018-03-16 | A kind of three-level dust removal system based on PLC control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208347819U true CN208347819U (en) | 2019-01-08 |
Family
ID=64884925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820360256.7U Expired - Fee Related CN208347819U (en) | 2018-03-16 | 2018-03-16 | A kind of three-level dust removal system based on PLC control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208347819U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111608720A (en) * | 2020-06-04 | 2020-09-01 | 常州鸣人信息科技有限公司 | Dust falling device for mine |
| CN111648770A (en) * | 2020-05-12 | 2020-09-11 | 河南工程学院 | Underground coal mining device and coal mining method |
| CN114471030A (en) * | 2022-01-27 | 2022-05-13 | 黄文华 | Building indoor ventilation dust suppression device |
-
2018
- 2018-03-16 CN CN201820360256.7U patent/CN208347819U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111648770A (en) * | 2020-05-12 | 2020-09-11 | 河南工程学院 | Underground coal mining device and coal mining method |
| CN111648770B (en) * | 2020-05-12 | 2022-01-11 | 河南工程学院 | Underground coal mining device and coal mining method |
| CN111608720A (en) * | 2020-06-04 | 2020-09-01 | 常州鸣人信息科技有限公司 | Dust falling device for mine |
| CN114471030A (en) * | 2022-01-27 | 2022-05-13 | 黄文华 | Building indoor ventilation dust suppression device |
| CN114471030B (en) * | 2022-01-27 | 2023-06-13 | 浙江培华建设集团有限公司 | Indoor ventilation dust suppression device of building |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190108 Termination date: 20200316 |
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| CF01 | Termination of patent right due to non-payment of annual fee |