CN203383847U - Scaling-throttling accelerating type pneumatic dust extraction device - Google Patents
Scaling-throttling accelerating type pneumatic dust extraction device Download PDFInfo
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- CN203383847U CN203383847U CN201320492950.1U CN201320492950U CN203383847U CN 203383847 U CN203383847 U CN 203383847U CN 201320492950 U CN201320492950 U CN 201320492950U CN 203383847 U CN203383847 U CN 203383847U
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- cover body
- throttling
- type pneumatic
- diffuser cover
- dust extraction
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Abstract
The utility model discloses a scaling-throttling accelerating type pneumatic dust extraction device. The scaling-throttling accelerating type pneumatic dust extraction device comprises a diffuser cover body in the shape of a circular truncated cone, wherein at least two pneumatic accelerating dust extraction mechanisms are arranged in a cavity of the diffuser cover body in the axial direction; each pneumatic accelerating dust extraction mechanism comprises a rotary dust extraction body which is close to a small end opening of the diffuser cover body, and an air source actuating unit connected with the rotary dust extraction body. According to the scaling-throttling accelerating type pneumatic dust extraction device, a pneumatic system and a runner of the diffuser cover body in the shape of the circular truncated cone are combined together according to the design, the purposes of energy conservation and acceleration are achieved, the functions of efficient dust collection and dust removal are achieved, and the problems that at present, dust is much in a mine and the treatment effect is poor can be effectively solved. The scaling-throttling accelerating type pneumatic dust extraction device is safe, reliable, stable in performance, capable of saving energy and improving efficiency, high in dust extraction efficiency, convenient to use and maintain, and high in application value.
Description
Technical field
The utility model relates to a kind of mine dedusting equipment, is specifically related to a kind of convergent-divergent throttling acceleration type pneumatic dust removal system.
Background technology
Pneumoconiosis is a kind of occupational disease caused by dust, in the incidence of disease of all occupational diseases of China, ranks the first, and the coal industry pneumoconiosis accounts for 49% of national pneumoconiosis.Pneumoconiosis Patients the lighter can cause the multiple complications such as breathing problem, pulmonary tuberculosis, and the severe one disability is even dead.The numeral of announcing according to the Ministry of Public Health shows, annual Pneumoconiosis disease reaches 5.7 ten thousand examples, and is ascendant trend year by year.An investigation of supervising security bureau, Chinese Professional safety and Health association of the All-China Federation of Trade Unions according to national colliery shows: dust concentration severe overweight under most coal mine, wherein the most serious superstate standard is more than 300 times, have every year a large amount of coal miners to suffer from pneumoconiosis, and because of the number of Death from Pneumoconiosis be the twice of security incident death toll.
The dust suppression that at present mainly take the China's coal-mine down-hole is the spray sprinkler dedusting, and the spray sprinkler dedusting method divides again two kinds of low pressure atomizing and high-pressure fogs.Its weak point is respectively: 1, low pressure atomizing dedusting, and water pressure is little, and waste water resource can't effectively reduce less coal dust, dust granules, to the efficiency of dust collection less than 70% of respirable dust.2, high-pressure fog dedusting, need to make electrical installation as power source at the product dirt pits, impels high-pressure pump work, this method input cost is large, easily causing security incident has strict requirement to supply line, equipment, and can not form complete dedusting system, and the dedusting blind spot is more.
The utility model content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, provides a kind of safer reliable, stable performance, easy maintenance, the convergent-divergent throttling acceleration type pneumatic dust removal system with extensive practical value.
A kind of convergent-divergent throttling acceleration type pneumatic dust removal system, comprise the diffuser cover body that is truncated cone-shaped, in axial direction be provided with the pneumatic speedup dedusting mechanism of at least two groups in the cavity of described diffuser cover body, described pneumatic speedup dedusting mechanism comprises near the Rotary dust collecting body of diffuser cover body portlet and the source of the gas actuating unit joined with Rotary dust collecting body power.
Described Rotary dust collecting body and source of the gas actuating unit include streamlined cover body, the large end place of two streamlined cover bodies is connected on the support in being located at the diffuser mask body intracavity mutually, extend to diffuser cover body two-port place at the small end place, the interface of described Rotary dust collecting body is provided with impeller, the interface of source of the gas actuating unit is provided with air motor, and the axis of rotation of described air motor is connected on impeller.
Also be arranged with stator on the streamlined cover body of described source of the gas actuating unit.
The portlet place of described diffuser cover body coaxially is provided with current collector.
The import department of described current collector is equipped with filter screen.
Also be provided with pressure inlet in the inner chamber at the portlet place of described diffuser cover body, described pressure inlet pipeline is connected on the outlet branch road of air motor, on this outlet branch road, choke valve is installed.
Also be provided with water spout in the inner chamber at the portlet place of described diffuser cover body, the water pipe of described water spout is connected on the outlet branch road and inlet channel of air motor simultaneously.
The utility model adopts the above air motor in two Lu Huo bis-roads to rotate in the diffuser cover body as the power source drives impeller, and dust gas axially enters from current collector, by impeller, obtains energy, thereby axially constantly discharges and reach the dedusting purpose.The diffuser cover body (conversion volume) of the truncated cone-shaped of the utility model design can effectively be accelerated gas flow rate.Utilize in addition the gas of air motor outlet to import the pressure inlet in diffuser, can improve its inner gas flow rate, accelerate the axial discharge of gas, play the purpose of energy efficiency.In diffuser cover body portlet, place is equipped with water injector, utilizes the gas of air motor outlet as excitaton source simultaneously, reaches the purpose of the water spray wet type depositing dust of calming the anger, and efficiently solves dust serious problems under coal mine.The utility model equipment safety is reliable, stable performance, and efficiency of dust collection is high, and easy maintenance has practical value widely.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
The structural representation that Fig. 2 is pneumatic speedup dedusting mechanism in the utility model.
The structural representation that Fig. 3 is water spout in the utility model.
The specific embodiment
Below in conjunction with specific embodiment, the utility model is described further.Should be understood that following examples are only for the utility model is described but not for limiting scope of the present utility model.
Referring to Fig. 1, a kind of convergent-divergent throttling acceleration type pneumatic dust removal system that the utility model provides, comprise the diffuser cover body 1 that is truncated cone-shaped, in axial direction be provided with two groups of pneumatic speedup dedusting mechanisms 2 in the cavity of described diffuser cover body 1, (certainly, the actual installation quantity of described pneumatic speedup dedusting mechanism 2 can be carried out correspondence adjustment as required.) in conjunction with Fig. 2, described pneumatic speedup dedusting mechanism 2 comprises near the Rotary dust collecting body 2a of diffuser cover body 1 portlet and the source of the gas actuating unit 2b joined with Rotary dust collecting body 2a power.
In this enforcement, described Rotary dust collecting body 2a and source of the gas actuating unit 2b include streamlined cover body 3, the large end place of two streamlined cover bodies 3 is connected on the support in being located at diffuser cover body 1 inner chamber mutually, extend to diffuser cover body 1 two-port place at the small end place, the interface of described Rotary dust collecting body 2a is provided with impeller 4, the interface of source of the gas actuating unit 2b is provided with air motor 5, the axis of rotation of described air motor 5 is connected on impeller 4, on the streamlined cover body of described source of the gas actuating unit 2b, also is arranged with stator 6.
Air motor 5 as power source drives impeller 4 at diffuser cover body 1 internal rotating, impel impeller 4 to obtain energy, dust gas, by the diffuser cover body 1 (the conversion volume, can effectively accelerate gas flow rate) of truncated cone-shaped, is axially constantly discharged from the large port of diffuser cover body 1.
The utility model is in order further to improve its functional performance, and structure of the present utility model in the specific implementation, can also, on above-described technical scheme basis, adopt the following examples:
Referring to Fig. 1, the portlet place of described diffuser cover body 1 coaxially is provided with current collector 7, and the import department of described current collector 7 is equipped with filter screen 8.Dust gas filter screen 8 can filter out the bulky grain foreign material in dust gas, prevents that it from entering diffuser cover body 1; Arranging of current collector 7 can be more effectively, rapidly the dust gas after filtering is concentrated and is drawn in diffuser cover body 1.
Referring to Fig. 1 and Fig. 3, also be provided with water spout 9 in the inner chamber at the portlet place of described diffuser cover body 1, the water pipe of described water spout 9 comprises the escape pipe 9a be connected on air motor 5 outlet branch roads and the water inlet pipe 9b communicated with escape pipe 9a, utilize one of them air motor 5 exit gas as excitaton source, acceleration is through water inlet pipe 9b, current by water spout 9 produce water curtain, and water spray wet type depositing dust purpose can realize calming the anger.
Referring to Fig. 1, also be provided with pressure inlet 10 in the inner chamber at the portlet place of described diffuser cover body 1, described pressure inlet 10 is connected in parallel on a main pipe rail by the exit gas of all air motors 5 (except for the air motor of supplying water pipe), on this pipeline, choke valve is installed.Air motor 5 outlet branch roads are connected with pressure inlet 10 by choke valve, can further increase gas flow rate, improve dust removing effects.
Claims (7)
1. a convergent-divergent throttling acceleration type pneumatic dust removal system, it is characterized in that: comprise the diffuser cover body that is truncated cone-shaped, in axial direction be provided with the pneumatic speedup dedusting mechanism of at least two groups in the cavity of described diffuser cover body, described pneumatic speedup dedusting mechanism comprises near the Rotary dust collecting body of diffuser cover body portlet and the source of the gas actuating unit joined with Rotary dust collecting body power.
2. convergent-divergent throttling acceleration type pneumatic dust removal system according to claim 1, it is characterized in that: described Rotary dust collecting body and source of the gas actuating unit include streamlined cover body, the large end place of two streamlined cover bodies is connected on the support in being located at the diffuser mask body intracavity mutually, extend to diffuser cover body two-port place at the small end place, the interface of described Rotary dust collecting body is provided with impeller, the interface of source of the gas actuating unit is provided with air motor, and the axis of rotation of described air motor is connected on impeller.
3. convergent-divergent throttling acceleration type pneumatic dust removal system according to claim 2, is characterized in that: on the streamlined cover body of described source of the gas actuating unit, also be arranged with stator.
4. convergent-divergent throttling acceleration type pneumatic dust removal system according to claim 2, it is characterized in that: the portlet place of described diffuser cover body coaxially is provided with current collector.
5. convergent-divergent throttling acceleration type pneumatic dust removal system according to claim 4, it is characterized in that: the import department of described current collector is equipped with filter screen.
6. according to claim 1,2,3,4 or 5 described convergent-divergent throttling acceleration type pneumatic dust removal systems, it is characterized in that: in the inner chamber at the portlet place of described diffuser cover body, also be provided with pressure inlet, described pressure inlet pipeline is connected on the outlet branch road of air motor, on this outlet branch road, choke valve is installed.
7. according to claim 1,2,3,4 or 5 described convergent-divergent throttling acceleration type pneumatic dust removal systems, it is characterized in that: also be provided with water spout in the inner chamber at the portlet place of described diffuser cover body, the water pipe of described water spout is connected on the outlet branch road and inlet channel of air motor simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320492950.1U CN203383847U (en) | 2013-08-13 | 2013-08-13 | Scaling-throttling accelerating type pneumatic dust extraction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320492950.1U CN203383847U (en) | 2013-08-13 | 2013-08-13 | Scaling-throttling accelerating type pneumatic dust extraction device |
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| Publication Number | Publication Date |
|---|---|
| CN203383847U true CN203383847U (en) | 2014-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320492950.1U Expired - Fee Related CN203383847U (en) | 2013-08-13 | 2013-08-13 | Scaling-throttling accelerating type pneumatic dust extraction device |
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| CN (1) | CN203383847U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103397898A (en) * | 2013-08-13 | 2013-11-20 | 安徽理工大学 | Scaling, throttling and speed-increasing type pneumatic dust removal device |
-
2013
- 2013-08-13 CN CN201320492950.1U patent/CN203383847U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103397898A (en) * | 2013-08-13 | 2013-11-20 | 安徽理工大学 | Scaling, throttling and speed-increasing type pneumatic dust removal device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140108 Termination date: 20150813 |
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| EXPY | Termination of patent right or utility model |