CN106111300A - Adjustable pulverized coal grinding machine air pressure screening plant - Google Patents
Adjustable pulverized coal grinding machine air pressure screening plant Download PDFInfo
- Publication number
- CN106111300A CN106111300A CN201610690903.6A CN201610690903A CN106111300A CN 106111300 A CN106111300 A CN 106111300A CN 201610690903 A CN201610690903 A CN 201610690903A CN 106111300 A CN106111300 A CN 106111300A
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- CN
- China
- Prior art keywords
- coal
- pad
- coal dust
- flange
- grinding machine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/10—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
- B02C23/12—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone with return of oversize material to crushing or disintegrating zone
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K1/00—Preparation of lump or pulverulent fuel in readiness for delivery to combustion apparatus
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
Abstract
The invention discloses a kind of adjustable pulverized coal grinding machine air pressure screening plant, be arranged on the coal dust one-level outlet tube outlet on pulverized coal grinding machine top, including coal fines screening device, coal dust input pipe, coal dust outlet tube, coal grain recurrent canal；Coal dust input pipe is connected by flange assembly with the coal dust one-level outlet tube on grinder top；It is provided with adjustment pad I, the adjustment pad II being superimposed between the flange of flange assembly, pad I will be adjusted with bolt assembly, adjust between the flange that pad II is fastened on flange assembly；Adjust pad I periphery and be provided with the kidney-shaped connecting hole connected for bolt assembly；Adjust pad II periphery and be provided with the connecting hole connected for bolt assembly；It is respectively equipped with several positions corresponding, around the uniform hole of flange assembly central axis in the middle part of adjustment pad I, adjustment pad II.The present invention adjusts pad by regulation and changes air pressure size and the input quantity of coal dust of coal fines screening device.
Description
Technical field
The present invention relates to coal dust and manufacture field, in particular relate to a kind of coal fines screening device.
Background technology
Small and Medium Enterprises in China produces and concentrated supply of heating in the city boiler is based on coal-burning boiler at present, below 75t/h's
The social recoverable amount about 570,000 of the hot-water boiler of steam boiler and less than 58 megawatts, wherein chain-grate boiler accounts for about 70%,
For improving efficiency of combustion, existing chain-grate boiler is typically equipped with pulverized coal grinding machine, after coal is worn into coal dust, by coal dust input pipe
Coal dust is input in coal fines screening device screening, and during screening, the size of coal dust inlet and air pressure directly influences pulverized coal sieve sub-prime
Amount, it is at the coal dust outlet tube of pulverized coal grinding machine and coal fines screening device that present stage controls the measure of coal dust inlet and air pressure size
Coal dust input pipe between connected by flange assembly, between the flange of flange assembly, fixing connection adjusts pad partial occlusion
The method of conduit through bore controls, although this method serves certain effect, but pad just cannot be adjusted after disposably embedding
Whole, the inlet of coal dust and the size of air pressure can not accurately control.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, propose a kind of scalable air pressure size, control the adjustable of coal dust input quantity
Formula pulverized coal grinding machine air pressure screening plant.
The present invention is achieved through the following technical solutions technical goal.
Adjustable pulverized coal grinding machine air pressure screening plant, is arranged on the coal dust one-level outlet tube outlet on pulverized coal grinding machine top
On, including coal fines screening device, coal dust input pipe, coal dust outlet tube, coal grain recurrent canal；Described coal fines screening device include tank body and
Cover, the upper end of tank body and the lower end of cover are respectively equipped with outward extending annular boss, and annular boss is respectively equipped with several
Connect tank body and the bolt hole of cover, tank body and cover and connected fastening by bolt, nut；The bottom of described coal fines screening device tank body
Tilt with coal grain recurrent canal junction to coal fines screening device tank body；Described coal fines screening device upper end outlet is with coal dust outlet tube even
Logical, lower end is provided with coal dust input pipe；Described coal dust input pipe passes through flange assembly with the coal dust one-level outlet tube on grinder top
Connect；It thes improvement is that: be provided with adjustment pad I, the adjustment pad being superimposed between the flange of described flange assembly
II, pad I will be adjusted with bolt assembly, adjust between the flange that pad II is fastened on flange assembly；Described adjustment pad I periphery
It is provided with the kidney-shaped connecting hole connected for bolt assembly；Described adjustment pad II periphery is provided with the connection connected for bolt assembly
Hole；It is respectively equipped with several positions corresponding, around flange assembly central axis in the middle part of described adjustment pad I, adjustment pad II
Uniform hole.
In said structure, described coal dust outlet tube is provided with filter.
In said structure, described adjustment pad I outer ring surface fixes attended operation handle.
In said structure, described operation handle is two, is arranged symmetrically in the both sides of flange assembly central axis.
The present invention compared with prior art, has the positive effect that:
1. it is respectively equipped with several positions in the middle part of adjustment pad I, adjustment pad II corresponding, around flange assembly central axis
Uniform hole, rotates and adjusts pad I, adjusts pad I partial occlusion and adjusts the hole of pad II so that cross-sectional flow area becomes
Change, thus reach to adjust the purpose of coal dust air pressure in feeding two grades of outlet tubes of coal dust, by adjusting, microfine coal can be sent into
In two grades of outlet tubes of coal dust.
2. filter carries out secondary filter, makes coal dust fully be atomized.
3. adjust and on pad I outer ring surface, fix attended operation handle, convenient adjustment.
4. operation handle is two, is arranged symmetrically in the both sides of flange assembly central axis, further convenient adjustment.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram.
Fig. 2 is I enlarged schematic partial view in Fig. 1.
Fig. 3 is the A-A sectional view in Fig. 2.
Fig. 4 is the B-B sectional view in Fig. 2.
Detailed description of the invention
Below according to accompanying drawing and the invention will be further described in conjunction with the embodiments.
Shown in accompanying drawing, adjustable pulverized coal grinding machine air pressure screening plant, is arranged on the coal dust one-level on pulverized coal grinding machine 1 top
On outlet tube 1.1 outlet, including coal fines screening device 2, coal dust input pipe 3, coal dust outlet tube 6, coal grain recurrent canal 5；Pulverized coal sieve
Dividing device 2 to include tank body 2.1 and cover 2.2, the upper end of tank body 2.1 and the lower end of cover 2.2 are respectively equipped with outward extending annular
Boss, annular boss is respectively equipped with several and connects tank body 2.1 and the bolt hole of cover 2.2, tank body 2.1 and cover 2.2 by spiral shell
Bolt 2.3, nut 2.4 connect fastening；The bottom of coal fines screening device 2 tank body 2.1 returns with coal grain to coal fines screening device 2 tank body 2.1
Pipe 5 junction tilts；Coal fines screening device 2 upper end outlet connects with coal dust outlet tube 6, and lower end is provided with coal dust input pipe 3；Coal dust is defeated
Enter pipe 3 to be connected by flange assembly 4 with the coal dust one-level outlet tube 1.1 on grinder 1 top；Set between the flange of flange assembly 4
There is the adjustment pad I 7 being superimposed, adjust pad II 8, pad I 7 will be adjusted with bolt assembly 10, adjust pad II 8 fastening
Between the flange of flange assembly 4；Adjust pad I 7 periphery and be provided with the kidney-shaped connecting hole connected for bolt assembly 10；Adjusting pad
Sheet II 8 periphery is provided with the connecting hole connected for bolt assembly 10；It is respectively equipped with in the middle part of pad I 7, adjustment pad II 8 if adjusting
Dry position is corresponding, around the uniform hole of flange assembly 4 central axis.
Coal dust outlet tube 6 is provided with filter 6.1.
Adjusting and fix attended operation handle 9 on pad I 7 outer ring surface, in the present embodiment, operation handle 9 is two, symmetrical cloth
Put the both sides at flange assembly 4 central axis.
Claims (4)
1. an adjustable pulverized coal grinding machine air pressure screening plant, is arranged on the coal dust one-level output on pulverized coal grinding machine (1) top
On pipe (1.1) outlet, including coal fines screening device (2), coal dust input pipe (3), coal dust outlet tube (6), coal grain recurrent canal (5)；
Described coal fines screening device (2) includes tank body (2.1) and cover (2.2), and the upper end of tank body (2.1) and the lower end of cover (2.2) are divided
Not being provided with outward extending annular boss, annular boss is respectively equipped with several and connects tank body (2.1) and the bolt of cover (2.2)
Hole, tank body (2.1) and cover (2.2) are connected fastening by bolt (2.3), nut (2.4)；Described coal fines screening device (2) tank body
(2.1) bottom tilts with coal grain recurrent canal (5) junction to coal fines screening device (2) tank body (2.1)；Described coal fines screening device
(2) upper end outlet connects with coal dust outlet tube (6), and lower end is provided with coal dust input pipe (3)；Described coal dust input pipe (3) and grinding
Coal dust one-level outlet tube (1.1) on machine (1) top is connected by flange assembly (4)；It is characterized in that: described flange assembly (4)
Flange between be provided be superimposed adjustment pad I (7), adjust pad II (8), pad will be adjusted with bolt assembly (10)
I (7), adjust between the flange that pad II (8) is fastened on flange assembly (4)；Described adjustment pad I (7) periphery is provided with for spiral shell
The kidney-shaped connecting hole that bolt assembly (10) connects；Described adjustment pad II (8) periphery is provided with the company connected for bolt assembly (10)
Connect hole；It is respectively equipped with several positions corresponding, around flange assembly in the middle part of described adjustment pad I (7), adjustment pad II (8)
(4) the uniform hole of central axis.
2. according to the adjustable pulverized coal grinding machine air pressure screening plant described in claims 1, it is characterised in that: described coal dust is defeated
Go out in pipe (6) and be provided with filter (6.1).
3. according to the pulverized coal grinding machine air pressure automatic sieving unit described in claims 1 or 2, it is characterised in that: described adjustment
Attended operation handle (9) is fixed on pad I (7) outer ring surface.
4. according to the pulverized coal grinding machine air pressure automatic sieving unit described in claims 3, it is characterised in that: described operation handle
(9) it is two, is arranged symmetrically in the both sides of flange assembly (4) central axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610690903.6A CN106111300A (en) | 2016-08-20 | 2016-08-20 | Adjustable pulverized coal grinding machine air pressure screening plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610690903.6A CN106111300A (en) | 2016-08-20 | 2016-08-20 | Adjustable pulverized coal grinding machine air pressure screening plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106111300A true CN106111300A (en) | 2016-11-16 |
Family
ID=57279401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610690903.6A Pending CN106111300A (en) | 2016-08-20 | 2016-08-20 | Adjustable pulverized coal grinding machine air pressure screening plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106111300A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106824496A (en) * | 2017-02-21 | 2017-06-13 | 王秋林 | Convenient regulating type pulverized coal grinding machine air pressure automatic sieving unit |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1041540A (en) * | 1988-08-19 | 1990-04-25 | 法兰西煤矿 | Fluidized gas is sent into the equipment of fluidization grid passage |
| CN204079871U (en) * | 2014-07-08 | 2015-01-07 | 赛鼎工程有限公司 | The quick adjustment of a kind of realization, quick-replaceable coke gas flow setting device |
| CN204490826U (en) * | 2015-02-26 | 2015-07-22 | 河南龙成煤高效技术应用有限公司 | A kind of pyrolysis of coal oil gas dust-removal system |
| CN105091002A (en) * | 2014-05-23 | 2015-11-25 | 王澎 | Stone coal cinder waste heat recovery system |
| CN205328883U (en) * | 2015-11-27 | 2016-06-22 | 重庆市山丹生物农药有限公司 | Haydite production system is used multipurposely to clear coal gas of environmental protection |
| CN205413312U (en) * | 2015-08-25 | 2016-08-03 | 江苏益众节能设备有限公司 | Superfine coal powder grinding machine |
-
2016
- 2016-08-20 CN CN201610690903.6A patent/CN106111300A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1041540A (en) * | 1988-08-19 | 1990-04-25 | 法兰西煤矿 | Fluidized gas is sent into the equipment of fluidization grid passage |
| CN105091002A (en) * | 2014-05-23 | 2015-11-25 | 王澎 | Stone coal cinder waste heat recovery system |
| CN204079871U (en) * | 2014-07-08 | 2015-01-07 | 赛鼎工程有限公司 | The quick adjustment of a kind of realization, quick-replaceable coke gas flow setting device |
| CN204490826U (en) * | 2015-02-26 | 2015-07-22 | 河南龙成煤高效技术应用有限公司 | A kind of pyrolysis of coal oil gas dust-removal system |
| CN205413312U (en) * | 2015-08-25 | 2016-08-03 | 江苏益众节能设备有限公司 | Superfine coal powder grinding machine |
| CN205328883U (en) * | 2015-11-27 | 2016-06-22 | 重庆市山丹生物农药有限公司 | Haydite production system is used multipurposely to clear coal gas of environmental protection |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106824496A (en) * | 2017-02-21 | 2017-06-13 | 王秋林 | Convenient regulating type pulverized coal grinding machine air pressure automatic sieving unit |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161116 |
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| WD01 | Invention patent application deemed withdrawn after publication |