CN206889091U - A kind of coal dust detonation acting device - Google Patents
A kind of coal dust detonation acting device Download PDFInfo
- Publication number
- CN206889091U CN206889091U CN201720733564.5U CN201720733564U CN206889091U CN 206889091 U CN206889091 U CN 206889091U CN 201720733564 U CN201720733564 U CN 201720733564U CN 206889091 U CN206889091 U CN 206889091U
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- China
- Prior art keywords
- coal dust
- cylinder block
- dust
- coal
- igniter
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Abstract
The utility model overcomes the shortcomings of the prior art, there is provided a kind of coal dust detonation acting device, is a revolution using coal dust as fuel utilization；In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is：A kind of coal dust detonation acting device, including disintegrating machine, ball mill, coal dust processing unit, air distribution device, pre-mixing apparatus, blowing device, cylinder block, charging aperture, soot emissions mouth, igniter, piston and transmission device, the disintegrating machine, ball mill and coal dust processing unit are connected after being sequentially connected with pre-mixing apparatus, the blowing device is also connected on pre-mixing apparatus, the pre-mixing apparatus is connected on the charging aperture of cylinder block by blowing device, pistons end in the cylinder block is connected with transmission device, soot emissions mouth and igniter are additionally provided with the cylinder block, the soot emissions mouth and igniter are respectively positioned on the homonymy of piston with charging aperture.
Description
Technical field
A kind of coal dust detonation acting device of the utility model, belongs to coal dust and utilizes technical field.
Background technology
At present, Coal Energy Source is in terms of heat energy utilization, and mainly based on burning, energy utilization is limited, mechanical efficiency one
As, and produce a large amount of CO2, environment is made a big impact.For Coal Energy Source is efficiently utilized, it is proposed that a kind of brand new ideas：
The characteristic of coal dust detonation is utilized, its caused energy is done work, really realizes that environmental protection and energy saving lower consumption, application prospect is very
It is wide.
It is well known that coal-dust explosion must possess four elementses.
First, coal dust particle diameter is small, reaches less than 100 μm, that is less than 100 μm of coal dust can be suspended in air
In.
Second, coal dust will reach certain concentration in atmosphere, i.e. the least concentration of coal-dust explosion is 30~50g/m3, on
Limit concentration is 1000~2000g/m3。
3rd, to have a high temperature heat source for the coal-dust explosion that can ignite, i.e., the ignition temperature of coal-dust explosion 650~1050 DEG C it
Between, generally 700~800 DEG C.
4th, there is certain density oxygen, that is, require that the concentration of oxygen in air is not less than 18%（Percent by volume）.
Utility model content
The utility model overcomes the shortcomings of the prior art, there is provided a kind of coal dust detonation acting device, is coal
A revolution of the dirt as fuel utilization.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is：A kind of coal dust detonation acting device,
Including disintegrating machine, ball mill, coal dust processing unit, air distribution device, pre-mixing apparatus, blowing device, cylinder block, charging aperture,
Soot emissions mouth, igniter, piston and transmission device, after the disintegrating machine, ball mill and coal dust processing unit are sequentially connected
It is connected with pre-mixing apparatus, the blowing device is also connected on pre-mixing apparatus, and the pre-mixing apparatus passes through blowing device
It is connected on the charging aperture of cylinder block, the pistons end in the cylinder block is connected with transmission device, the cylinder block
On be additionally provided with soot emissions mouth and igniter, the soot emissions mouth and igniter are respectively positioned on the same of piston with charging aperture
Side.
Flue dust and exhaust treatment system are connected with the soot emissions mouth of the cylinder block.
Reuse means is connected with the flue dust and exhaust treatment system.
Dust Concentration sensor, oxygen concentration sensor, pressure sensing are provided with the detonation room side wall of the cylinder block
Device and the first temperature sensor, the Dust Concentration sensor, oxygen concentration sensor, pressure sensor and the first temperature sensor
The corresponding parameter of coal dust, the Dust Concentration sensor, oxygen concentration sensor, pressure in detonation room for monitoring cylinder block
Sensor and the first temperature sensor electrically connect with control centre, are electrically connected between the control centre and igniter, use
Ignition operation is carried out in control igniter.
The air inlet of the air distribution device is provided with humidity sensor and second temperature sensor.
The cylinder block and piston are the stroke structure of engine four.
The utility model has an advantageous effect in that compared with prior art：A kind of coal dust detonation is the utility model is related to do
Work(device, generating or other field are can be applied to, is a revolution using coal dust as fuel utilization.
Brief description of the drawings
The utility model is described further below in conjunction with the accompanying drawings.
Fig. 1 is structural representation of the present utility model.
In figure：1 is disintegrating machine, and 2 be ball mill, and 3 be coal dust processing unit, and 4 be air distribution device, and 5 be pre-mixing apparatus, 6
It is cylinder block for blowing device, 7,8 be charging aperture, and 9 be soot emissions mouth, and 10 be igniter, and 11 be that Dust Concentration senses
Device, 12 be oxygen concentration sensor, and 13 be pressure sensor, and 14 be the first temperature sensor, and 15 be humidity sensor, and 16 be work
Plug, 17 be transmission mechanism, and 18 be flue dust and exhaust treatment system, and 19 be reuse means, and 20 be second temperature sensor.
Embodiment
As shown in figure 1, a kind of coal dust detonation acting device of the utility model, including the processing of disintegrating machine 1, ball mill 2, coal dust
Device 3, air distribution device 4, pre-mixing apparatus 5, blowing device 6, cylinder block 7, charging aperture 8, soot emissions mouth 9, igniter
10th, piston 16 and transmission device 17, the disintegrating machine 1, ball mill 2 and coal dust processing unit 3 attach together after being sequentially connected with premix
5 connections are put, the blowing device 6 is also connected on pre-mixing apparatus 5, and the pre-mixing apparatus 5 is connected to by blowing device 6
On the charging aperture 8 of cylinder block 7, the end of piston 16 in the cylinder block 7 is connected with transmission device 17, the cylinder block
Soot emissions mouth 9 and igniter 10 are additionally provided with 7, the soot emissions mouth 9 and igniter 10 are respectively positioned on charging aperture 8
The homonymy of piston 16.
Flue dust and exhaust treatment system 18 are connected with the soot emissions mouth 9 of the cylinder block 7.
Reuse means 19 is connected with the flue dust and exhaust treatment system 18.
Dust Concentration sensor 11, oxygen concentration sensor 12, pressure are provided with the detonation room side wall of the cylinder block 7
The temperature sensor 14 of sensor 13 and first, the Dust Concentration sensor 11, oxygen concentration sensor 12, the He of pressure sensor 13
First temperature sensor 14 is used for the corresponding parameter for monitoring coal dust in the detonation room of cylinder block 7, the Dust Concentration sensor
11, oxygen concentration sensor 12, the temperature sensor 14 of pressure sensor 13 and first electrically connects with control centre, in the control
Electrically connected between the heart and igniter 10, for controlling igniter 10 to carry out ignition operation.
The air inlet of the air distribution device 4 is provided with humidity sensor 15 and second temperature sensor 20.
The cylinder block 7 and piston 16 are the stroke structure of engine four.
The utility model is optional single or mixing ature of coal, single coal have coking coal, rich coal, bottle coal, jet coal, lignite；It is mixed
Coal optional anthracite, meager coal or other coals are closed to mix with above-mentioned single coal.
Explosive index of coal dust formula is：
Vr=Vf÷(100-Ag-Wf)×100
In formula：Vr--- explosives index of coal dust, %；
The fugitive constituent of Vf--- coal samplings, %；
The ash content of Ag--- coal samplings, %；
The moisture of Wf--- coal samplings, %.
It may determine that the volatile matter content of coal dust is higher according to above-mentioned formula, pit ash and moisture are smaller, and explosivity is got over
By force, explosive index of coal dust is less than 10.0% coal seam for substantially belonging to no coal dust explosion hazard；Between 10%~15%, category
In weak explosion hazard coal seam；The person more than 15%, belonging to has explosion hazard coal seam, can according to explosive index of coal dust this
Parameter chooses suitable coal dust.
Operation principle of the present utility model：Coal is broken into by coal cinder of the particle diameter less than 20mm by disintegrating machine, then entered again
Enter ball mill and the coal cinder less than 20mm is become into coal dust of the particle diameter less than or equal to 75 μm；According to jet current principle, pass through theoretical calculation
With repeatedly practise, using coal dust processing unit, by possessing the air stream of certain pressure and flow velocity into coal dust is brought to special pipeline,
Dust Concentration measuring instrument is installed on special pipeline simultaneously, to adjust Dust Concentration and air velocity and pressure, so as to
Reach the concentration requirement of coal-dust explosion, coal dust moisture is reduced using principle is dried, reaches the requirement of coal-dust explosion.Simultaneously
The coal dust of detonation condition will be met（Concentration is 40+10g/m3, volatilization is divided into more than 25%, and moisture is less than 8%, ash content 15% with
Under, particle diameter is less than 75 μm）And air（Theoretically, the oxygen content in air is 21%）Pre-mixing apparatus is delivered to, is pre-mixed
Device makes coal dust form coal dust cloud dirt after being sufficiently mixed with air, is delivered to coal dust detonation container by blowing device, makes coal dust
Cloud dirt is more uniform to be suspended in detonation container；Igniter is installed in the entrance of coal-dust explosion container, ignition principle can use
Electric current both positive and negative polarity is ignited or using fuel gas（Liquid）Directly ignite, flach point is maintained between 700~1100 DEG C, injection
Flame will reach more than 15cm into cylindrical length；In order to environment-friendly, avoid producing substantial amounts of nitrogen oxides, it is necessary in igniter
Interior installation low nitrogen burning system, to ensure the control of the fuming-off temperature in coal-dust explosion container below 1200 DEG C；High temperature resistant is set
High-pressure bottle, be shaped as cylinder or other, piston, charging aperture, igniting, monitoring, discharge flue dust and ash are provided with cylinder body
Device needed for cinder outlet etc..Pressure, temperature, coal dust cloud dust concentration, oxygen concentration is drawn from coal-dust explosion container outer wall simultaneously to pass
Sensor, to carry out coal-dust explosion on-line monitoring, automatic ignition, when moment penetrating meets the coal dust cloud of detonation condition into cylinder body
During dirt, the more uniform aerial coal dust cloud dirt that suspends can be lighted a fire in time（850 DEG C, more than 4.5mJ）Cause detonation, make
It produces HTHP and promotes piston to do work.In four stroke movements of piston, when in exhaust stroke, connected using crank
Linkage opens soot emissions mouth, and piston moves to top dead centre from lower dead center, by the flue dust and tail after work by combustion in cylinder body
Gas is all discharged, and is extracted dump energy by processing system, is done work, moved in circles with this again.
The utility model is further elaborated for embodiment with being generated electricity using coal dust acting below, acting device is set
Cylinder block is counted into, piston is moved up and down inside it, is done work and is generated electricity using the stroke operation principle of engine four.It can set
Count into after coal dust closes with air pre-mixing and enter back into cylinder body work by combustion.
From volatile matter is higher and the relatively low raw coal of ash content moisture（Volatilization is divided into more than 25%, and ash content is below 15%）As original
Material, coal cinder of the particle diameter less than 20mm is processed into by disintegrating machine 1, ball mill 2 is then entered back into and becomes the coal cinder less than 20mm
Particle diameter is less than 75 μm of coal dust, then by coal dust processing unit 3 to adjust coal powder density and air velocity and pressure, to incite somebody to action
Coal powder density is handled to 40g/m3Left and right, further coal dust moisture is reduced using principle is dried, reaches coal-dust explosion
It is required that（Below moisture 8%）.The coal dust for meeting detonation condition is delivered into pre-mixing apparatus 5, while utilizes air distribution device 4（Can be right
The humidity temperature of natural air is handled, and reaches optimal explosion condition, air humidity≤10%, temperature >=20 DEG C）By fresh sky
Gas is delivered in pre-mixing apparatus 5, coal dust is thoroughly mixed to form coal dust cloud dirt with air, circle is delivered to by blowing device 6
The charging aperture 8 of post cylinder body 7 (coal dust detonation container), make coal dust is more uniform to be suspended in cylinder block 7 (coal dust detonation container), when
Cylinder block 7（Coal dust detonation container）The Dust Concentration sensor 11 of outer wall installation, oxygen concentration sensor 12, pressure sensor
13, related data is transmitted to central control system by the first temperature sensor 14, judges pressure, oxygen concentration and coal dust cloud dirt through system
When concentration, temperature, humidity meet coal dust detonation condition, starting ignition device 10 is aerial by more uniform suspension in time
Coal dust is lighted a fire（850 DEG C, more than 10mJ）Cause detonation, it is produced HTHP and promote piston acting 16.According to hair
The stroke operation principle of motivation four, piston 16 do first stroke, bottom dead center position are moved to from top dead centre, complete the mistake into fuel
Journey, following piston 16 do compression stroke, move to top dead center position from lower dead center, igniter 10 makes coal dust detonation promote work
The acting of plug 16, acting promotes piston 16, and piston 16 completes the 4th stroke again after top dead centre moves to bottom dead center position, from
Lower dead center moves to top dead center position, and caused flue dust and tail gas after coal dust detonation are discharged from soot emissions mouth 9, pass through pipeline
It is also repeatable after specially treated to utilize dump energy into flue dust and exhaust treatment system 18, finally enter recycling dress
Put 19 to be done work, further improve coal dust utilization rate.
Embodiment of the present utility model is explained in detail above in conjunction with accompanying drawing, but the utility model is not limited to
Embodiment is stated, in those of ordinary skill in the art's possessed knowledge, the utility model aims can also not departed from
On the premise of various changes can be made.
Claims (6)
- The device 1. a kind of coal dust detonation is done work, it is characterised in that：Including disintegrating machine（1）, ball mill（2）, coal dust processing unit （3）, air distribution device（4）, pre-mixing apparatus（5）, blowing device（6）, cylinder block（7）, charging aperture（8）, soot emissions mouth （9）, igniter（10）, piston（16）And transmission device（17）, the disintegrating machine（1）, ball mill（2）With coal dust processing unit （3）It is sequentially connected rear and pre-mixing apparatus（5）Connection, the blowing device（6）Also it is connected to pre-mixing apparatus（5）On, it is described Pre-mixing apparatus（5）Pass through blowing device（6）It is connected to cylinder block（7）Charging aperture（8）On, the cylinder block（7）It is interior Piston（16）End is connected with transmission device（17）, the cylinder block（7）On be additionally provided with soot emissions mouth（9）And igniting Device（10）, the soot emissions mouth（9）And igniter（10）With charging aperture（8）It is respectively positioned on piston（16）Homonymy.
- A kind of 2. coal dust detonation acting device according to claim 1, it is characterised in that：The cylinder block（7）Cigarette Dirt floss hole（9）On be connected with flue dust and exhaust treatment system（18）.
- A kind of 3. coal dust detonation acting device according to claim 2, it is characterised in that：The flue dust and vent gas treatment system System（18）On be connected with reuse means（19）.
- A kind of 4. coal dust detonation acting device according to claim 1, it is characterised in that：The cylinder block（7）It is quick-fried Dust Concentration sensor is provided with combustion room side wall（11）, oxygen concentration sensor（12）, pressure sensor（13）With the first temperature Sensor（14）, the Dust Concentration sensor（11）, oxygen concentration sensor（12）, pressure sensor（13）Passed with the first temperature Sensor（14）For monitoring cylinder block（7）Detonation room in coal dust corresponding parameter, the Dust Concentration sensor（11）, oxygen Concentration sensor（12）, pressure sensor（13）With the first temperature sensor（14）Electrically connected with control centre, the control Center and igniter（10）Between electrically connect, for controlling igniter（10）Carry out ignition operation.
- A kind of 5. coal dust detonation acting device according to claim 1, it is characterised in that：The air distribution device（4）Enter Humidity sensor is provided with air port（15）And second temperature sensor（20）.
- A kind of 6. coal dust detonation acting device according to claim 1, it is characterised in that：The cylinder block（7）And work Plug（16）For the stroke structure of engine four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720733564.5U CN206889091U (en) | 2017-06-22 | 2017-06-22 | A kind of coal dust detonation acting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720733564.5U CN206889091U (en) | 2017-06-22 | 2017-06-22 | A kind of coal dust detonation acting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206889091U true CN206889091U (en) | 2018-01-16 |
Family
ID=61316150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720733564.5U Expired - Fee Related CN206889091U (en) | 2017-06-22 | 2017-06-22 | A kind of coal dust detonation acting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206889091U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107120186A (en) * | 2017-06-22 | 2017-09-01 | 张廷民 | A kind of coal dust detonation working system |
-
2017
- 2017-06-22 CN CN201720733564.5U patent/CN206889091U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107120186A (en) * | 2017-06-22 | 2017-09-01 | 张廷民 | A kind of coal dust detonation working system |
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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: 20180116 Termination date: 20200622 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |