CN107321468B - Coal quality detecting system pulverized coal fine grinding equipment - Google Patents
Coal quality detecting system pulverized coal fine grinding equipment Download PDFInfo
- Publication number
- CN107321468B CN107321468B CN201710572085.4A CN201710572085A CN107321468B CN 107321468 B CN107321468 B CN 107321468B CN 201710572085 A CN201710572085 A CN 201710572085A CN 107321468 B CN107321468 B CN 107321468B
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- grinding
- grinding chamber
- coal
- chamber
- wall
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- 239000003245 coal Substances 0.000 title claims abstract description 39
- 239000000463 material Substances 0.000 claims abstract description 42
- 239000000843 powder Substances 0.000 claims abstract description 22
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 238000005485 electric heating Methods 0.000 claims abstract description 9
- 238000004140 cleaning Methods 0.000 claims description 30
- 239000002817 coal dust Substances 0.000 claims description 12
- 238000012372 quality testing Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 5
- 238000005498 polishing Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- B02C19/00—Other disintegrating devices or methods
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Disintegrating Or Milling (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The coal quality detection system pulverized coal fine grinding equipment is used for realizing fine grinding of pulverized coal. The coal powder grinding machine comprises a grinding chamber and a grinding main body which are arranged up and down, wherein a motor for driving a rotating shaft in the grinding chamber to rotate is arranged in the grinding main body, a plurality of grinding plates positioned in the grinding chamber are fixed on the rotating shaft, one end of each grinding plate is fixedly connected with the rotating shaft, the other end of each grinding plate faces to the inner wall of the grinding chamber, the end of each grinding plate is provided with an inclined surface, and the end of each grinding plate provided with the inclined surface is matched with the inner wall of the grinding chamber to grind coal powder; a material bin is arranged above the grinding chamber, a material inlet is arranged on the side wall of the material bin, and materials added into the material bin through the material inlet fall into the grinding chamber; a powder dropping opening is arranged on the side wall of the grinding chamber, and a screen is arranged on the side wall of the grinding chamber at the joint of the powder dropping opening; an electric heating layer is arranged on the inner wall of the grinding chamber. The fine grinding equipment can enable the granularity and the dryness and the humidity of the pulverized coal after fine grinding to meet the requirements of coal quality detection.
Description
Technical Field
The invention relates to the technical field of coal dust grinding, in particular to fine coal dust grinding equipment of a coal quality detection system.
Background
In the grinding process of the grinding equipment in the prior art, the grinding process is mainly used for grinding the materials through the impact and the grinding stripping action of grinding media (steel bars, steel balls, gravels or ore blocks, and the production granularity is generally smaller than 5 mm). Grinding is accomplished in a continuously operating cylinder containing a quantity of grinding media. When the cylinder rotates, the grinding medium rises and falls to roll, so as to generate impact and grinding actions. However, the grinding granularity and the dry humidity of the existing grinding equipment can not meet the requirements of coal quality detection.
Disclosure of Invention
The invention aims to provide fine coal grinding equipment of a coal quality detection system, which is used for realizing fine coal grinding of coal dust so as to meet the requirements of coal quality detection.
The technical scheme adopted for solving the technical problems is as follows: the fine coal dust grinding equipment of the coal quality detection system comprises a grinding chamber and a grinding main body which are arranged up and down, wherein a motor for driving a rotating shaft in the grinding chamber to rotate is arranged in the grinding main body;
a material bin is arranged above the grinding chamber, a material inlet is arranged on the side wall of the material bin, and materials added into the material bin through the material inlet fall into the grinding chamber;
a powder dropping opening is arranged on the side wall of the grinding chamber, and a screen is arranged on the side wall of the grinding chamber at the joint of the powder dropping opening;
an electric heating layer is arranged on the inner wall of the grinding chamber.
Further, a cleaning connecting plate is fixed on the rotating shaft, and a cleaning brush is arranged at one end of the cleaning connecting plate close to the inner wall of the grinding chamber.
Further, the cleaning connection plates are a pair located on the same straight line.
Further, an inclined surface is provided at one end of the cleaning connection plate near the inner wall of the grinding chamber, and the cleaning brush is provided on the inclined surface.
Further, with reference to the grinding main body, the material inlet and the powder falling opening are arranged oppositely left and right.
Further, an observation port is arranged at the upper part of the material bin.
Further, the grinding body is fixed on the base.
Further, the cleaning connection plate is arranged below the grinding plate.
The beneficial effects of the invention are as follows: the coal quality detection system pulverized coal fine grinding equipment provided by the invention realizes the repeated extrusion of pulverized coal mainly through the cooperation of the grinding plate and the inner wall of the grinding chamber, so as to realize the fine grinding of the pulverized coal; the electric heating layer on the inner wall of the grinding chamber is convenient for controlling the dry and wet degree of the pulverized coal. Through setting up of lapping plate, screen cloth and electrothermal layer, can make pulverized coal granularity and dry humidity after the finish grinding reach the demand that the coal quality detected.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic cross-sectional view of a grinding chamber;
in the figure: the grinding device comprises a grinding main body 1, a grinding chamber 2, a screen 21, an electric heating layer 22, a material inlet 3, an observation port 4, a material bin 5, a powder blanking port 6, a base 7, a grinding plate 8, a cleaning connecting plate 91 and a cleaning brush 92.
Detailed Description
As shown in fig. 1 to 3, the present invention mainly comprises a grinding body 1, a grinding chamber 2, a screen 21, an electric heating layer 22, a material inlet 3, a viewing port 4, a material bin 5, a powder falling port 6, a base 7, a grinding plate 8, a cleaning connection plate 91 and a cleaning brush 92, and is described in detail below with reference to the accompanying drawings.
As shown in fig. 1 and 2, the polishing body 1 is a main body member of the present invention, a motor is mainly provided in the polishing body 1, and a base 7 is provided at the bottom of the polishing body to ensure the overall stability. A grinding chamber 2 is provided above the grinding body 1, and the grinding chamber 2 is a main place for pulverized coal grinding. As shown in fig. 3, an electrothermal layer 22 is added on the inner wall of the grinding chamber 2, and the electrothermal layer 22 is used for heating the pulverized coal powder in the grinding chamber 2 during the operation of the equipment so as to control the dryness and the humidity of the pulverized coal powder. A rotating shaft is arranged in the grinding chamber 2, the rotating shaft is driven by a motor to rotate, a plurality of grinding plates 8 which are uniformly arranged along the circumferential direction are fixed on the rotating shaft, one end of each grinding plate 8 is fixedly connected with the rotating shaft, the other end of each grinding plate 8 faces towards and is close to the inner wall of the grinding chamber 2, and one end of each grinding plate 8 facing towards the inner wall of the grinding chamber 2 is provided with an inclined surface, so that the end of each grinding plate 8 is conical; the inclined plane is arranged, so that the grinding plate 8 can swallow materials in the rotating process, coal dust easily enters between the grinding plate 8 and the inner wall of the grinding chamber 2, gradual grinding of the coal dust can be realized, and the coal dust is further ground to the required granularity, so that fine grinding of the coal dust is realized. A pair of cleaning connection plates 91 positioned below the grinding plate 8 are also fixed on the rotating shaft, and the two cleaning connection plates 91 are positioned on the same straight line; the cleaning connection plate 91 is provided in two on the same straight line, so that a good cleaning effect can be ensured, and the two cleaning brushes are uniformly worn. One end of the cleaning connecting plate 91 is fixedly connected with the rotating shaft, the other end of the cleaning connecting plate 91 is provided with an inclined surface, the other end of the cleaning connecting plate 91 is also conical, a cleaning brush 92 is arranged on the inclined surface of the cleaning connecting plate 91, and the cleaning brush 92 is in contact with the inner wall of the grinding chamber 2 so as to clean the inner wall of the grinding chamber 2 and clean residual powder on the inner wall of the grinding chamber 2. At the same time, the cleaning brush 92 also has a blocking-removing effect on the screen.
The side wall of the grinding chamber 2 is provided with a powder falling opening 6, the joint of the powder falling opening 6 and the grinding chamber 2 is provided with a screen 21 positioned on the side wall of the grinding chamber 2, and when the grinding granularity is equal to or smaller than the mesh size of the screen 21, the pulverized coal powder passes through the screen and then is extruded from the grinding chamber 2 and then falls through the powder falling opening. A material bin 5 is arranged above the grinding chamber 2, the material bin 5 is communicated with the grinding chamber 2 up and down, a material inlet 3 is arranged on the side wall of the material bin 5, and the material is added into the material bin 5 through the material inlet 3. The material inlet 3 and the powder falling opening 6 are oppositely arranged left and right relative to the grinding main body, the upper part of the material bin is provided with an observation opening 4, and the arrangement of the observation opening 4 is used for conveniently observing the working conditions in the material bin 5 and the grinding chamber 2 in real time.
The working procedure of the present invention is described below: firstly, materials are added into a material bin 5 through a material inlet, a motor is started, a grinding plate 8 rotates in a grinding chamber 2, at the moment, the materials (coal dust) are ground along with the rotation of the grinding plate 8, and when the grinding granularity of the coal dust is smaller than the mesh size of a screen, the coal dust passes through the screen and falls down through a powder falling opening 6. In the grinding process, in order to ensure the dryness and the humidity of the pulverized coal, the electric heating layer is started to work, so that the electric heating layer heats the pulverized coal. The electric heating layer is electrically heated to transfer heat with the coal powder.
Variations, modifications, substitutions and alterations are also within the scope of this disclosure, as may be apparent to those of ordinary skill in the art in light of the teachings of this disclosure, without departing from the spirit and principles of this disclosure.
Claims (4)
1. The fine coal dust grinding equipment of the coal quality detection system comprises a grinding chamber and a grinding main body which are arranged up and down, wherein a motor for driving a rotating shaft in the grinding chamber to rotate is arranged in the grinding main body; a cleaning connecting plate is fixed on the rotating shaft, and a cleaning brush is arranged at one end of the cleaning connecting plate close to the inner wall of the grinding chamber; the cleaning connecting plates are a pair positioned on the same straight line; an inclined surface is arranged at one end of the cleaning connecting plate close to the inner wall of the grinding chamber, and the cleaning brush is arranged on the inclined surface; the cleaning connecting plate is arranged below the grinding plate;
a material bin is arranged above the grinding chamber, a material inlet is arranged on the side wall of the material bin, and materials added into the material bin through the material inlet fall into the grinding chamber;
a powder dropping opening is arranged on the side wall of the grinding chamber, and a screen is arranged on the side wall of the grinding chamber at the joint of the powder dropping opening;
an electric heating layer is arranged on the inner wall of the grinding chamber.
2. The fine coal grinding device of the coal quality detection system according to claim 1, wherein the material inlet is arranged opposite to the powder falling port with reference to the grinding main body.
3. The fine coal grinding device of the coal quality detection system according to claim 1, wherein an observation port is provided at an upper portion of the material bin.
4. The pulverized coal fine grinding apparatus of a coal quality testing system according to claim 1, wherein the grinding body is fixed on a base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710572085.4A CN107321468B (en) | 2017-07-13 | 2017-07-13 | Coal quality detecting system pulverized coal fine grinding equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710572085.4A CN107321468B (en) | 2017-07-13 | 2017-07-13 | Coal quality detecting system pulverized coal fine grinding equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107321468A CN107321468A (en) | 2017-11-07 |
| CN107321468B true CN107321468B (en) | 2024-02-20 |
Family
ID=60227148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710572085.4A Active CN107321468B (en) | 2017-07-13 | 2017-07-13 | Coal quality detecting system pulverized coal fine grinding equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107321468B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1486218A (en) * | 2000-11-13 | 2004-03-31 | ��Ĭ���� | Grinding of particulate material |
| CN103111120A (en) * | 2013-02-28 | 2013-05-22 | 内蒙古沐禾节水工程设备有限公司 | Centrifugal type cone net integrated filter |
| CN203830267U (en) * | 2014-04-28 | 2014-09-17 | 潍坊汇韬化工有限公司 | Grinding vibrating screen device |
| CN105363518A (en) * | 2015-12-16 | 2016-03-02 | 重庆定青茶叶有限责任公司 | Tea leaf grinding device |
| CN105381836A (en) * | 2014-09-05 | 2016-03-09 | 天津市盟特电气仪表配件制造有限公司 | Crushing screening apparatus |
| CN205599283U (en) * | 2016-04-21 | 2016-09-28 | 象山仲堇生物科技有限公司 | Modified traditional chinese medicine grinder |
| CN205948991U (en) * | 2016-07-05 | 2017-02-15 | 安徽省凯峰塑料机械有限公司 | High -efficiency crusher |
| CN206276438U (en) * | 2016-12-06 | 2017-06-27 | 大唐甘肃发电有限公司西固热电厂 | A kind of thermal power plant coal fines screening device |
| CN207126634U (en) * | 2017-07-13 | 2018-03-23 | 山东华唐环保科技有限公司 | Coal property test system coal dust smooth grinding equipment |
-
2017
- 2017-07-13 CN CN201710572085.4A patent/CN107321468B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1486218A (en) * | 2000-11-13 | 2004-03-31 | ��Ĭ���� | Grinding of particulate material |
| CN103111120A (en) * | 2013-02-28 | 2013-05-22 | 内蒙古沐禾节水工程设备有限公司 | Centrifugal type cone net integrated filter |
| CN203830267U (en) * | 2014-04-28 | 2014-09-17 | 潍坊汇韬化工有限公司 | Grinding vibrating screen device |
| CN105381836A (en) * | 2014-09-05 | 2016-03-09 | 天津市盟特电气仪表配件制造有限公司 | Crushing screening apparatus |
| CN105363518A (en) * | 2015-12-16 | 2016-03-02 | 重庆定青茶叶有限责任公司 | Tea leaf grinding device |
| CN205599283U (en) * | 2016-04-21 | 2016-09-28 | 象山仲堇生物科技有限公司 | Modified traditional chinese medicine grinder |
| CN205948991U (en) * | 2016-07-05 | 2017-02-15 | 安徽省凯峰塑料机械有限公司 | High -efficiency crusher |
| CN206276438U (en) * | 2016-12-06 | 2017-06-27 | 大唐甘肃发电有限公司西固热电厂 | A kind of thermal power plant coal fines screening device |
| CN207126634U (en) * | 2017-07-13 | 2018-03-23 | 山东华唐环保科技有限公司 | Coal property test system coal dust smooth grinding equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107321468A (en) | 2017-11-07 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 216, Floor 2, Building 9, Zhongrun Century City, No. 13777, Jingshi Road, Lixia District, Jinan, Shandong 250000 Patentee after: SHANDONG HUATOW ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. Country or region after: China Address before: No. 264, Quancheng Road, Lixia District, Jinan City, Shandong Province, 250011, 1323 Patentee before: SHANDONG HUATOW ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. Country or region before: China |
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| CP03 | Change of name, title or address | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Coal quality detection system coal powder precision grinding equipment Granted publication date: 20240220 Pledgee: Branches of Jinan Rural Commercial Bank Co.,Ltd. Pledgor: SHANDONG HUATOW ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. Registration number: Y2024980014527 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |