CN206177600U - Combine and dig working face spraying dust fall simulation experiment system - Google Patents
Combine and dig working face spraying dust fall simulation experiment system Download PDFInfo
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- CN206177600U CN206177600U CN201620220193.6U CN201620220193U CN206177600U CN 206177600 U CN206177600 U CN 206177600U CN 201620220193 U CN201620220193 U CN 201620220193U CN 206177600 U CN206177600 U CN 206177600U
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Abstract
The utility model discloses a combine and dig working face spraying dust fall simulation experiment system, including model tunnel, simulation fuselage, high pressure water pump, storage water tank, controlling means, axial fan, a dirt ware, nozzle, equipment stand, tuber pipe, water pipe, water flow meter, water pressure gauge and gas flowmeter, the model tunnel one end for the tunnelling end to being equipped with and sending out a dirt ware, the simulation fuselage is located in the model tunnel and is close to the tunnelling end, and nozzle install is close to on one's body in the analog machine and tunnels the end, and is consecutive with nozzle, water flow meter, water gauge, high pressure water pump, storage water tank with the water pipe, be equipped with the tuber pipe in the model tunnel, the inlet end of tuber pipe links to each other with axial fan, is equipped with gas flowmeter in the tuber pipe, and the air outlet of tuber pipe is close to the tunnelling end, controlling means passes through the data line and links to each other the last dust apparatus that is equipped with of equipment stand with high pressure water pump and axial fan respectively. The utility model discloses can simulate the colliery and combine in the pit and dig face -airing and spraying dust fall, offer help for production site spraying dust fall.
Description
Technical field
This utility model belongs to mine ventilation field, more particularly to a kind of fully mechanized workface atomizing de-dusting simulation experiment system
System.
Background technology
The strategy of sustainable development is put forward higher requirement to coal mine working environment and production safety.At present, with colliery
The continuous improvement of mechanization degree, widely used, the dust-producing amount sharp increase of fully mechanized workface of high-power development machine, working environment evil
Change, especially the usually severe overweight of the dust concentration at development machine driver.
At present, China's fully mechanized workface generally reduces fully mechanized workface dust concentration using atomizing de-dusting technology.In reality
In trampling, the guidance due to lacking correlation theory does not often reach expected dust-laying effect using spray method.Production scene is even
Occur and consume substantial amounts of water, the concentration of dust is still very high, also results in a large amount of hydrops in some fixed-sites, on the contrary opposite
Product is adversely affected.Factually survey, the fully mechanized workface atomizing de-dusting efficiency of China's coal-mine is generally relatively low, full dirt dustfall efficiency
Generally below 50%, 30% is even below to the dustfall efficiency of respirable dust.Fully mechanized workface atomizing de-dusting effect and spraying
And ventilation parameter is closely related, affect face dust concentration to be distributed includes atomisation pressure, send with the parameter of atomizing de-dusting effect
Wind velocity, spraying arrangement etc..In order to reasonably determine spray parameters in practice, need further to spray fully mechanized workface
Mist depositing dust conducts a research.Underground coal mine fully mechanized workface production scene due to by production and geological conditions restricted, it is difficult to carry out
Various ventilations are distributed and the actual measurement of atomizing de-dusting efficiency with the fully mechanized workface dust concentration under spray condition.
Utility model content
In order to solve the above-mentioned technical problem of prior art presence, this utility model is sprayed there is provided a kind of fully mechanized workface
Depositing dust experimental system for simulating, this utility model can simulate the ventilation of underground coal mine fully mechanized workface and atomizing de-dusting, and can be to difference
Blow and surveyed with the fully mechanized workface dust concentration distribution under spray condition and atomizing de-dusting effect, provide for production scene
Certain guidance.
In order to solve above-mentioned technical problem, this utility model adopts following technical proposals：Including model tunnel, analog machine
Body, high-pressure hydraulic pump, storage tank, control device, axial flow blower, powder producer, nozzle, instrument support, airduct, water pipe, water ga(u)ge,
Water pressure gauge, bypass valve and gas flowmeter；The one end in described model tunnel is driving termination, and is provided with powder producer, analog machine
In the model tunnel and near driving termination, nozzle is installed on analog machine near tunneling termination body, with water pipe by nozzle,
Water ga(u)ge, water meter, high-pressure hydraulic pump, storage tank are sequentially connected；Airduct, inlet end and the axle stream wind of airduct are provided with model tunnel
Machine is connected, and gas flowmeter is provided with airduct, and the air outlet of airduct is near driving termination；Control device by data wire respectively with
High-pressure hydraulic pump is connected with axial flow blower；Multiple instrument supports are provided with along tunnel in model tunnel, instrument support is provided with dust survey
Determine instrument.
In above-mentioned fully mechanized workface atomizing de-dusting experimental system for simulating, described model tunnel bottom side is provided with sewage
Groove, and base plate and the angle of horizontal plane are 5-10 degree.
In above-mentioned fully mechanized workface atomizing de-dusting experimental system for simulating, also including a bypass valve, bypass valve is installed on water
Between case and water pipe.
Due to adopting above-mentioned technical proposal, the beneficial effects of the utility model to be：By setting up fully mechanized workface spray drop
Dirt experimental system for simulating, in the case where production is not affected, to various ventilations and fully mechanized workface dust concentration under spray condition
Distribution and atomizing de-dusting efficiency are measured, and measurement result can be instructed rationally to determine that spray parameters are improved in practice.
Description of the drawings
Fig. 1 is structural representation of the present utility model.
Specific embodiment
This utility model is described in further detail with reference to the accompanying drawings and detailed description：
As shown in figure 1, this utility model includes model tunnel 1, simulation fuselage 2, high-pressure hydraulic pump 3, storage tank 4, control dress
Put 5, axial flow blower 6, powder producer 7, nozzle 8, instrument support 9, sump 10, airduct 11, water pipe 12, water ga(u)ge 13, hydraulic pressure
Table 14, bypass valve 15 and gas flowmeter 16.The bottom side in described model tunnel 1 is provided with sump 10, and base plate and water
Inclination angle between plane is 5-10 degree, it is ensured that draining is smooth.Described powder producer 7 is installed on the driving termination 17 in model tunnel 1,
For simulating cutting head of roadheader cut dust, the powder amount of powder producer 7 can be according to regulating working conditions.Described nozzle 8 is installed on
Simulation fuselage 2 by tunnel the side of termination 17, simulation fuselage 2 be arranged in away from driving the certain distance of termination 17.Described water under high pressure
Pump 3 and axial flow blower 6 are connected with control device 5, and the pressure of supply water and axial flow blower 6 by control device 5 to high-pressure hydraulic pump 3
Air quantity carry out variable frequency adjustment.
Operation principle of the present utility model is：Before experiment starts, first nozzle (8A, 8B and 8C) is respectively arranged in into analog machine
With, and dust determination instrument is respectively arranged on instrument support 9A, 9B, 9C, 9D, 9E, 9F and 9G.When experiment starts, first lead to
Control device 5 is crossed, is started and is adjusted axial flow blower 6, the air quantity for making axial flow blower 6 reaches predetermined value, the air output of axial flow blower 6
Can be measured by being installed on the gas flowmeter 16 of airduct 11.The air-supply of axial flow blower 6 flows through airduct 11 and is delivered to model
The driving termination 17 in tunnel 1.After unstable airflow, then high-pressure hydraulic pump 3 is started by control device 5, and adjusted to predetermined
Atomisation pressure.The pressure of supply water of high-pressure hydraulic pump 3 is read by water pressure gauge 14, and water supply flow can be obtained by water ga(u)ge 13.High pressure
After water pump 3 is stable, observe nozzle atomization effect, determine it is errorless after, will load coal dust to be measured in powder producer 7, start and send out dirt
Device 7, and adjust a dirt speed.After 7 dirt of powder producer are stable, the powder on instrument support 9A, 9B, 9C, 9D, 9E, 9F and 9G is opened
Dirt analyzer so as to into measure state.After experiment terminates, the ventilation and spray can be analyzed by the measurement data of dust determination instrument
Face dust concentration distribution and atomizing de-dusting efficiency under the conditions of mist.
Above-described is only preferred implementation of the present utility model, it is noted that for those skilled in the art
For, on the premise of without departing from this utility model structure, some deformations and improvement can also be made, these should also be considered as this
The protection domain of utility model, these are all without the effect and practical applicability for affecting this utility model to implement.
Claims (3)
1. a kind of fully mechanized workface atomizing de-dusting experimental system for simulating, it is characterised in that：Including model tunnel, simulation fuselage, height
Water pump, storage tank, control device, axial flow blower, powder producer, nozzle, instrument support, airduct, water pipe, water ga(u)ge, hydraulic pressure
Table and gas flowmeter；The one end in described model tunnel is driving termination, and is provided with powder producer, and simulation fuselage is located at model lane
In road and near driving termination, nozzle is installed on analog machine near driving termination, with water pipe by nozzle, water ga(u)ge, water
Table, high-pressure hydraulic pump, storage tank are sequentially connected；Airduct is provided with model tunnel, the inlet end of airduct is connected with axial flow blower, airduct
Gas flowmeter is inside provided with, the air outlet of airduct is near driving termination；Control device by data wire respectively with high-pressure hydraulic pump and
Axial flow blower is connected, and multiple instrument supports are provided with along tunnel in described model tunnel, and instrument support is provided with dust determination instrument.
2. fully mechanized workface atomizing de-dusting experimental system for simulating according to claim 1, it is characterised in that：Described model
Tunnel bottom side is provided with sump, and base plate and the angle of horizontal plane are 5-10 degree.
3. fully mechanized workface atomizing de-dusting experimental system for simulating according to claim 1, it is characterised in that：Also include on one side
Port valve, bypass valve is installed between water tank and water pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620220193.6U CN206177600U (en) | 2016-03-22 | 2016-03-22 | Combine and dig working face spraying dust fall simulation experiment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620220193.6U CN206177600U (en) | 2016-03-22 | 2016-03-22 | Combine and dig working face spraying dust fall simulation experiment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206177600U true CN206177600U (en) | 2017-05-17 |
Family
ID=58673097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620220193.6U Expired - Fee Related CN206177600U (en) | 2016-03-22 | 2016-03-22 | Combine and dig working face spraying dust fall simulation experiment system |
Country Status (1)
| Country | Link |
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| CN (1) | CN206177600U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109855894A (en) * | 2018-12-25 | 2019-06-07 | 江苏省特种设备安全监督检验研究院 | A kind of equipment performance verifying attachment and method that can simulate Mine Complicated coupling environment |
-
2016
- 2016-03-22 CN CN201620220193.6U patent/CN206177600U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109855894A (en) * | 2018-12-25 | 2019-06-07 | 江苏省特种设备安全监督检验研究院 | A kind of equipment performance verifying attachment and method that can simulate Mine Complicated coupling environment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170517 Termination date: 20200322 |
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| CF01 | Termination of patent right due to non-payment of annual fee |