CN108787120A - A kind of clinker milling process - Google Patents
A kind of clinker milling process Download PDFInfo
- Publication number
- CN108787120A CN108787120A CN201810845123.3A CN201810845123A CN108787120A CN 108787120 A CN108787120 A CN 108787120A CN 201810845123 A CN201810845123 A CN 201810845123A CN 108787120 A CN108787120 A CN 108787120A
- Authority
- CN
- China
- Prior art keywords
- clinker
- screw rod
- equipment
- crushing plant
- ball mill
- 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.)
- Withdrawn
Links
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
- B02C19/22—Crushing mills with screw-shaped crushing means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/10—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls with one or a few disintegrating members arranged in the container
-
- 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
-
- 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
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses a kind of clinker milling process, include the following steps：Clinker after calcining is put into screw rod crushing plant；Cement clinker particles are delivered in screw rod transmission equipment, while the clinker of short grained clinker and bulky grain being separated；The clinker foldback of bulky grain is returned screw rod crushing plant to be crushed again；Short grained clinker is delivered to roller ball mill equipment；From the upstream end downstream end air blast of roller ball mill equipment, the smaller clinker powder of grain size is blowed into electrostatic precipitation equipment, clinker powder discharge process through discharge electrode before entering electrostatic precipitation equipment carries negative electrical charge；After clinker powder enters electrostatic precipitation equipment, comes into full contact with and be adsorbed in collecting electrode plate with collecting electrode plate positively charged in electrostatic precipitation equipment；Collecting electrode plate is tapped, clinker powder is collected.The present invention can be directed to the clinker of variable grain size, carry out the broken milling of sorting substep.
Description
Technical field
The present invention relates to a kind of cement grog grinding technology field, especially a kind of clinker milling process.
Background technology
Clinker is made in cement raw material after calcined by rotary kiln, and clinker is bulky grain or block structure, needs to pass through
Cement grog grinding to suitable granularity is accelerated the aquation of cement by powder-grinding process to increase the water accessible area of cement products
Speed, to meet the rate requirement of cement slurry condensation, hardening when in use；Powder-grinding process is the last work of cement manufacture
Sequence and the highest process of energy consumption.For the clinker of variable grain size, the broken milling of sorting substep is carried out, can be kept away
Exempt to be crushed milling operation repeatedly to part of cement clinker powder, so as to be effectively reduced the energy consumption of powder-grinding process.
Invention content
For overcome the deficiencies in the prior art, the present invention provides a kind of clinker milling process, can be directed to difference
The clinker of granular size carries out the broken milling of sorting substep.
The technical solution adopted by the present invention to solve the technical problems is：
A kind of clinker milling process, includes the following steps：
Step 1: the screw rod crushing plant that the clinker after calcining is put into axis horizontal setting is located at the upper of axial one end
The clinker of bulk is broken into large-sized cement clinker particles by screw rod crushing plant, and keeps cement ripe by You Duanzhong
Material particle moves to the downstream that screw rod crushing plant is located at the axial other end；
Step 2: the cement clinker particles that screw rod crushing plant downstream exports are delivered to the screw rod transmission equipment being vertically arranged
In lower end, the screw rod in screw rod transmission equipment drives cement clinker particles to move upwards, while passing through the outer of screw rod transmission equipment
Several screen holes on sleeve separate the clinker of short grained clinker and bulky grain：The cement of bulky grain is ripe
Material continues up in the outer sleeve of screw rod transmission equipment, and it is defeated that short grained clinker flows out to screw rod from screen holes
It send outside the outer sleeve of equipment；
Step 3: the clinker foldback for the bulky grain for continuing to move up to top in the outer sleeve of screw rod transmission equipment is returned
It is crushed again in the upstream end of screw rod crushing plant；
Step 4: the short grained clinker outside the outer sleeve of screw rod transmission equipment to be delivered to the roller of axis horizontal setting
Ball-grinding machine is located in the upstream end of axial one end, makes short grained clinker to fortune in the middle part of roller ball mill equipment by air blast
It is dynamic；
Step 5: the outer roller of roller ball mill equipment is persistently rotated around horizontal axis, the milling spin of roller ball mill equipment exists
It is rolled in the outer roller of roller ball mill equipment and grinding is carried out to short grained clinker；
Step 6: from the upstream end of roller ball mill equipment to the downstream air blast positioned at the axial other end, being acted on by wind-force will
The smaller clinker powder of grain size is blowed to the downstream of roller ball mill equipment；
Step 7: the clinker powder that roller ball mill device downstream end exports is delivered in electrostatic precipitation equipment, and cement
Clinker powder discharge process through discharge electrode before entering electrostatic precipitation equipment carries negative electrical charge；
Step 8: after clinker powder enters electrostatic precipitation equipment, with collecting electrode positively charged in electrostatic precipitation equipment
Plate comes into full contact with and is adsorbed in collecting electrode plate；
Step 9: tapping collecting electrode plate, makes the clinker shed powder adsorbed in collecting electrode plate and be collected.
As a further improvement of the above technical scheme, in step 1, while the screw rod of screw rod crushing plant rotates,
The outer sleeve of screw rod crushing plant is also rotated, and the outer sleeve of the screw rod of screw rod crushing plant and screw rod crushing plant rotates
Direction is opposite.
As a further improvement of the above technical scheme, in step 2, the lower end height of screw rod transmission equipment is less than spiral shell
The cement clinker particles that screw rod crushing plant downstream exports are delivered to by gravity and to be vertically arranged by bar crushing plant
In screw rod transmission equipment lower end.
As a further improvement of the above technical scheme, in step 3, the upper end level of screw rod transmission equipment is higher than spiral shell
The clinker foldback of bulky grain at the top of screw rod transmission equipment is returned screw rod crushing plant by bar crushing plant by gravity
Upstream end in.
As a further improvement of the above technical scheme, in step 4 and step 5, the outer roller of roller ball mill equipment
For spindle-type α-Fe2O3.
As a further improvement of the above technical scheme, in step 7, by the downstream of roller ball mill equipment to
Clinker powder is delivered in the electrostatic precipitation equipment being located above by upper air blast.
As a further improvement of the above technical scheme, in step 8, multiple dusts are provided in electrostatic precipitation equipment
Electrode plate, the hollow out ventilation hole of several matrix arrangements is both provided in each collecting electrode plate, and air-flow drives clinker powder
Polylith is sequentially passed through to be mutually parallel and perpendicular to the collecting electrode plate in air motion direction, finally make the clinker powder in air-flow
Last to be all adsorbed in collecting electrode plate, then electrostatic precipitation equipment is discharged in dust-free air.
Compared with prior art, the beneficial effects of the invention are as follows：
A kind of clinker milling process provided by the present invention can be directed to the clinker of variable grain size, be divided
The broken milling of choosing substep；And the progress of the clinker of bulk can be crushed efficiently and equably using screw rod is broken, and avoid
Big, the crushing effect non-uniform problem that there is bounce that grinding roller is broken；And the outer sleeve of screw rod transmission equipment is both with block-like
The sorting function of clinker and granular clinker, and have and send unbroken complete block-like clinker again back to
The function of breaker, and with the device structure simplified.
By carrying out lasting air blast in roller ball mill equipment, can be sorted while grinding operation, not only
The structure of equipment is simplified, and work efficiency is high, low energy consumption；Pass through collecting electrode of the setting with several hollow out ventilation holes
Plate, one side hollow out ventilation hole can stop dust through air, and another aspect collecting electrode plate can carry out dust quiet
Electro Sorb had not only had the advantages that electrostatic precipitation equipment high efficiency, but also had the advantages that pocket type dust-collecting equipment low energy consumption.
Specific implementation mode
Carry out the technology contents that present invention be described in more detail below in conjunction with specific embodiments.
A kind of clinker milling process that the present embodiment is provided, includes the following steps：
Step 1: the screw rod crushing plant that the clinker after calcining is put into axis horizontal setting is located at the upper of axial one end
The clinker of bulk is broken into large-sized cement clinker particles by screw rod crushing plant, and keeps cement ripe by You Duanzhong
Material particle moves to the downstream that screw rod crushing plant is located at the axial other end；
Specifically, while the screw rod rotation of screw rod crushing plant, the outer sleeve of screw rod crushing plant is also rotated, and screw rod
The screw rod of crushing plant and the outer sleeve direction of rotation of screw rod crushing plant are opposite.
Step 2: the cement clinker particles that screw rod crushing plant downstream exports are delivered to the screw rod transmission being vertically arranged
In equipment lower end, the screw rod in screw rod transmission equipment drives cement clinker particles to move upwards, while passing through screw rod transmission equipment
Outer sleeve on several screen holes the clinker of short grained clinker and bulky grain is separated：The water of bulky grain
Mud clinker continues up in the outer sleeve of screw rod transmission equipment, and short grained clinker flows out to spiral shell from screen holes
Outside the outer sleeve of bar conveying equipment；
Specifically, the lower end height of screw rod transmission equipment is less than screw rod crushing plant, by gravity by screw rod crushing plant
The cement clinker particles of downstream output are delivered in the screw rod transmission equipment lower end being vertically arranged.
Step 3: the clinker for the bulky grain for continuing to move up to top in the outer sleeve of screw rod transmission equipment is returned
It sends back in the upstream end of screw rod crushing plant and is crushed again；
Specifically, the upper end level of screw rod transmission equipment is higher than screw rod crushing plant, by gravity by screw rod transmission equipment
The clinker foldback of the bulky grain at top returns in the upstream end of screw rod crushing plant.
Step 4: the short grained clinker outside the outer sleeve of screw rod transmission equipment is delivered to axis horizontal setting
Roller ball mill equipment is located in the upstream end of axial one end, makes short grained clinker into roller ball mill equipment by air blast
Portion moves；Preferably, the outer roller of roller ball mill equipment is spindle-type α-Fe2O3.
Step 5: the outer roller of roller ball mill equipment is persistently rotated around horizontal axis, the milling rolling of roller ball mill equipment
Ball rolls in the outer roller of roller ball mill equipment and carries out grinding to short grained clinker.
Step 6: being made from the upstream end of roller ball mill equipment to the downstream air blast positioned at the axial other end by wind-force
It is blowed to the downstream of roller ball mill equipment with by the smaller clinker powder of grain size.
Step 7: the clinker powder that roller ball mill device downstream end exports is delivered in electrostatic precipitation equipment, and
Clinker powder discharge process through discharge electrode before entering electrostatic precipitation equipment carries negative electrical charge；
Specifically, it is located above by the upward air blast in the downstream of roller ball mill equipment, clinker powder being delivered to
In electrostatic precipitation equipment.
Step 8: after clinker powder enters electrostatic precipitation equipment, with dust positively charged in electrostatic precipitation equipment
Electrode plate comes into full contact with and is adsorbed in collecting electrode plate；
Specifically, it is provided with multiple collecting electrode plates in electrostatic precipitation equipment, several squares are both provided in each collecting electrode plate
The hollow out ventilation hole of battle array arrangement, air-flow drive clinker powder to sequentially pass through polylith and are mutually parallel and perpendicular to air motion side
To collecting electrode plate, so that the clinker powder in air-flow is all adsorbed in collecting electrode plate, then dust-free air
Electrostatic precipitation equipment is discharged.
Step 9: tapping collecting electrode plate, makes the clinker shed powder adsorbed in collecting electrode plate and be collected.
Above to the present invention better embodiment illustrated, certainly, the present invention can also use with it is above-mentioned
The different form of embodiment, those skilled in the art under the premise of without prejudice to spirit of that invention made by it is equivalent
Transformation or corresponding change, should all belong to the scope of protection of the present invention interior.
Claims (7)
1. a kind of clinker milling process, which is characterized in that include the following steps：
Step 1: the screw rod crushing plant that the clinker after calcining is put into axis horizontal setting is located at the upper of axial one end
The clinker of bulk is broken into large-sized cement clinker particles by screw rod crushing plant, and keeps cement ripe by You Duanzhong
Material particle moves to the downstream that screw rod crushing plant is located at the axial other end；
Step 2: the cement clinker particles that screw rod crushing plant downstream exports are delivered to the screw rod transmission equipment being vertically arranged
In lower end, the screw rod in screw rod transmission equipment drives cement clinker particles to move upwards, while passing through the outer of screw rod transmission equipment
Several screen holes on sleeve separate the clinker of short grained clinker and bulky grain：The cement of bulky grain is ripe
Material continues up in the outer sleeve of screw rod transmission equipment, and it is defeated that short grained clinker flows out to screw rod from screen holes
It send outside the outer sleeve of equipment；
Step 3: the clinker foldback for the bulky grain for continuing to move up to top in the outer sleeve of screw rod transmission equipment is returned
It is crushed again in the upstream end of screw rod crushing plant；
Step 4: the short grained clinker outside the outer sleeve of screw rod transmission equipment to be delivered to the roller of axis horizontal setting
Ball-grinding machine is located in the upstream end of axial one end, makes short grained clinker to fortune in the middle part of roller ball mill equipment by air blast
It is dynamic；
Step 5: the outer roller of roller ball mill equipment is persistently rotated around horizontal axis, the milling spin of roller ball mill equipment exists
It is rolled in the outer roller of roller ball mill equipment and grinding is carried out to short grained clinker；
Step 6: from the upstream end of roller ball mill equipment to the downstream air blast positioned at the axial other end, being acted on by wind-force will
The smaller clinker powder of grain size is blowed to the downstream of roller ball mill equipment；
Step 7: the clinker powder that roller ball mill device downstream end exports is delivered in electrostatic precipitation equipment, and cement
Clinker powder discharge process through discharge electrode before entering electrostatic precipitation equipment carries negative electrical charge；
Step 8: after clinker powder enters electrostatic precipitation equipment, with collecting electrode positively charged in electrostatic precipitation equipment
Plate comes into full contact with and is adsorbed in collecting electrode plate；
Step 9: tapping collecting electrode plate, makes the clinker shed powder adsorbed in collecting electrode plate and be collected.
2. a kind of clinker milling process according to claim 1, it is characterised in that：In step 1, screw rod is broken
While the screw rod rotation of equipment, the outer sleeve of screw rod crushing plant is also rotated, and the screw rod and spiral shell of screw rod crushing plant
The outer sleeve direction of rotation of bar crushing plant is opposite.
3. a kind of clinker milling process according to claim 1, it is characterised in that：In step 2, screw rod transmission
The lower end height of equipment is less than screw rod crushing plant, the clinker for exporting screw rod crushing plant downstream by gravity
Particle is delivered in the screw rod transmission equipment lower end being vertically arranged.
4. a kind of clinker milling process according to claim 1, it is characterised in that：In step 3, screw rod transmission
The upper end level of equipment is higher than screw rod crushing plant, by gravity that the cement of the bulky grain at the top of screw rod transmission equipment is ripe
Expect that foldback returns in the upstream end of screw rod crushing plant.
5. a kind of clinker milling process according to claim 1, it is characterised in that：In step 4 and step 5,
The outer roller of roller ball mill equipment is spindle-type α-Fe2O3.
6. a kind of clinker milling process according to claim 1, it is characterised in that：In step 7, by rolling
The upward air blast in downstream of cylinder ball-grinding machine, clinker powder is delivered in the electrostatic precipitation equipment being located above.
7. a kind of clinker milling process according to claim 1, it is characterised in that：In step 8, electrostatic precipitation
It is provided with multiple collecting electrode plates in equipment, the hollow out ventilation hole of several matrix arrangements is both provided in each collecting electrode plate,
Air-flow drives clinker powder to sequentially pass through polylith and is mutually parallel and perpendicular to the collecting electrode plate in air motion direction, finally
The clinker powder in air-flow is set all to be adsorbed in collecting electrode plate, then electrostatic precipitation equipment is discharged in dust-free air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810845123.3A CN108787120A (en) | 2018-07-27 | 2018-07-27 | A kind of clinker milling process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810845123.3A CN108787120A (en) | 2018-07-27 | 2018-07-27 | A kind of clinker milling process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108787120A true CN108787120A (en) | 2018-11-13 |
Family
ID=64078494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810845123.3A Withdrawn CN108787120A (en) | 2018-07-27 | 2018-07-27 | A kind of clinker milling process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108787120A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113070154A (en) * | 2021-03-09 | 2021-07-06 | 上饶中材机械有限公司 | Cement clinker conveyor capable of efficiently removing dust |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202277870U (en) * | 2011-10-14 | 2012-06-20 | 桐乡市朗基电子材料有限公司 | Iron oxide red discharging machine |
| CN202460749U (en) * | 2012-01-17 | 2012-10-03 | 潍坊特钢集团新型建材有限公司 | Dry ball grinding machine for producing steel slag powder |
| CN103359961A (en) * | 2013-07-30 | 2013-10-23 | 南京凯盛国际工程有限公司 | Cement preparation method |
| CN105214816A (en) * | 2015-10-28 | 2016-01-06 | 重庆市富环建筑材料有限责任公司 | For the roller mill grading, lifting device of processing steel slag |
| CN106348629A (en) * | 2016-08-25 | 2017-01-25 | 嘉华特种水泥股份有限公司 | Cement powder grinding preparation process |
| CN206474293U (en) * | 2017-01-09 | 2017-09-08 | 浙江万源环保机械科技有限公司 | Electric cleaner with modified form minus plate |
| CN206731275U (en) * | 2017-05-17 | 2017-12-12 | 青海生物药品厂有限公司 | A kind of pulverizer |
-
2018
- 2018-07-27 CN CN201810845123.3A patent/CN108787120A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202277870U (en) * | 2011-10-14 | 2012-06-20 | 桐乡市朗基电子材料有限公司 | Iron oxide red discharging machine |
| CN202460749U (en) * | 2012-01-17 | 2012-10-03 | 潍坊特钢集团新型建材有限公司 | Dry ball grinding machine for producing steel slag powder |
| CN103359961A (en) * | 2013-07-30 | 2013-10-23 | 南京凯盛国际工程有限公司 | Cement preparation method |
| CN105214816A (en) * | 2015-10-28 | 2016-01-06 | 重庆市富环建筑材料有限责任公司 | For the roller mill grading, lifting device of processing steel slag |
| CN106348629A (en) * | 2016-08-25 | 2017-01-25 | 嘉华特种水泥股份有限公司 | Cement powder grinding preparation process |
| CN206474293U (en) * | 2017-01-09 | 2017-09-08 | 浙江万源环保机械科技有限公司 | Electric cleaner with modified form minus plate |
| CN206731275U (en) * | 2017-05-17 | 2017-12-12 | 青海生物药品厂有限公司 | A kind of pulverizer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113070154A (en) * | 2021-03-09 | 2021-07-06 | 上饶中材机械有限公司 | Cement clinker conveyor capable of efficiently removing dust |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106140398A (en) | Novel automatic iron discharging formula grinding disc of vertical mill and row's difficult-to-grind materials method | |
| CN113019648B (en) | High-efficient preparation system of abandonment concrete regeneration sand powder | |
| CN106669888A (en) | Efficient roller pressing grinding station and technique thereof | |
| CN111167586A (en) | Superfine steel slag treatment system and method | |
| CN110732382A (en) | machine-made sand vertical mill and production process system thereof | |
| CN209302870U (en) | A kind of spreading is evenly distributed with the roller type vertical mill of spout ring | |
| CN114621015A (en) | Dry production method and equipment of powder for rock plate press forming | |
| CN105032588A (en) | Attrition mill grinding bin capable of automatic feeding | |
| CN108787120A (en) | A kind of clinker milling process | |
| CN209501830U (en) | The coarse grained Vertical Mill of automatic screening in grinding | |
| CN204185500U (en) | Stainless steel slag is dried, pneumatic separation device | |
| CN112279536A (en) | Production process of industrial byproduct gypsum | |
| CN2698446Y (en) | Flour mill | |
| CN207357597U (en) | The special powder concentrator of sandstone | |
| CN202921398U (en) | Energy-saving and environment-friendly vertical mill crushing system | |
| CN211755848U (en) | Superfine steel slag treatment system | |
| CN211487939U (en) | Environment-friendly dust-free Raymond mill | |
| CN104399667B (en) | Stainless steel slag sorting device and stainless steel slag sorting method | |
| CN204816701U (en) | Novel material grinding system | |
| CN212263510U (en) | Static double-grading powder concentrator and semi-final pre-grinding system | |
| CN207872298U (en) | A kind of Vertical Mill stablizes the device of the bed of material | |
| CN110715547B (en) | Horizontal cement clinker grate type particle grading cooler and cooling method | |
| CN111617867B (en) | Raw material grinding system | |
| CN110523501A (en) | A kind of full outer circulation raw material vertical mill mill is outer to select powder grinding process system | |
| CN105312142A (en) | Method for final powder grinding of metallurgical steel slag and production line thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181113 |