CN105921226B - Wet ball mill, the feeding device for wet ball mill and its pan feeding method - Google Patents

Wet ball mill, the feeding device for wet ball mill and its pan feeding method Download PDF

Info

Publication number
CN105921226B
CN105921226B CN201610289543.9A CN201610289543A CN105921226B CN 105921226 B CN105921226 B CN 105921226B CN 201610289543 A CN201610289543 A CN 201610289543A CN 105921226 B CN105921226 B CN 105921226B
Authority
CN
China
Prior art keywords
electric control
control valve
ball mill
feeding device
water source
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.)
Active
Application number
CN201610289543.9A
Other languages
Chinese (zh)
Other versions
CN105921226A (en
Inventor
王森
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guoneng Yuedian Taishan Power Generation Co ltd
China Shenhua Energy Co Ltd
Beijing Guohua Electric Power Co Ltd
Original Assignee
China Shenhua Energy Co Ltd
Beijing Guohua Electric Power Co Ltd
Guangdong Guohua Yuedian Taishan Power Generation Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Shenhua Energy Co Ltd, Beijing Guohua Electric Power Co Ltd, Guangdong Guohua Yuedian Taishan Power Generation Co Ltd filed Critical China Shenhua Energy Co Ltd
Priority to CN201610289543.9A priority Critical patent/CN105921226B/en
Publication of CN105921226A publication Critical patent/CN105921226A/en
Application granted granted Critical
Publication of CN105921226B publication Critical patent/CN105921226B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C17/00Disintegrating 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
    • B02C17/18Details
    • B02C17/183Feeding or discharging devices
    • B02C17/186Adding fluid, other than for crushing by fluid energy
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00Auxiliary 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
    • B02C23/02Feeding devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Grinding (AREA)

Abstract

The present invention relates to wet ball mill fields, and disclose a kind of wet ball mill, a kind of feeding device and its pan feeding method for wet ball mill, feeding device includes the pan feeding portion being connect with wet ball mill, is provided with grid in pan feeding portion, feeding device further includes:Pressure water source pipeline;Weighing sensor, weighing sensor are used to weigh the weight for waiting for grind materials within the unit interval by weighing sensor;Nozzle, nozzle are connected to pressure water source pipeline and are provided towards grid injection water;Electric control valve;Flowmeter;And control unit, control unit is electrically connected with weighing sensor, electric control valve and flowmeter, control unit waits for that the normal flow of required water is calculated in the weight of grind materials according to what weighing sensor measured, the actual flow and normal flow of the water in the pressure water source pipeline that then control unit is obtained according to flow measurement and the aperture for controlling electric control valve.The feeding device of the present invention can avoid its pan feeding portion from blocking.

Description

Wet ball mill, the feeding device for wet ball mill and its pan feeding method
Technical field
The present invention relates to wet ball mill fields, and in particular, to a kind of feeding device for wet ball mill and its Pan feeding method.Moreover, it relates to a kind of wet ball mill.
Background technology
Wet ball mill is the key equipment that material is broken and then crushes, and usual wet ball mill is by pan feeding The compositions such as portion, discharging portion, rotating part, driving section.
In thermal power plant, wet ball mill is commonly used to the pulping equipment in flue gas desulphurization system, and function is profit The limestone particle that will be inputted in wet ball mill by batcher with steel ball rotation be milled slurries are made, by follow-up cyclone, Slurries are supplied to fume desulfurating absorption tower as the reactant of removing sulfur dioxide in flue gas by the equipment such as pump.Therefore, wet type ball The stable operation of grinding machine is most important to flue gas desulphurization system.If slurries made from wet ball mill cannot be satisfied flue gas desulfurization The service requirement of system, boiler of power plant pollutant emission will be exceeded, and while causing atmosphere pollution, generating set will be forced to stop Machine brings greater loss, consequence serious.The material for inputting wet ball mill is the limestone particle of grain size about 20mm, these stones Limestone particles carry more dust, and are easily accumulated in the grating position of wet ball mill pan feeding portion (i.e. batcher feed opening), Pan feeding portion flow area is caused to reduce, charging ability declines, and eventually leads to the blocking of pan feeding portion, and ball mill fracture is stopped transport.Traditional Processing method is that special messenger is arranged to open overhaul of the equipments hole, Hand scarf accumulated plugging every several hours during equipment is run Lime stone.In practical application, sometimes as feeding coal improves, it even if continually being cleared up, still will appear stopping state, make It stops transport at wet ball mill.In addition, above-mentioned processing method also has, maintenance workload is big and there are certain personal safety risks Determination.
In view of this, it is desirable to provide a kind of pan feeding dress for wet ball mill that pan feeding portion can be avoided to block It sets.
Invention content
The technical problem to be solved by the present invention is to need to provide it is a kind of can avoid that pan feeding portion blocks for wet The feeding device and its pan feeding method of formula ball mill.
In addition, another technical problem to be solved by this invention is to need offer one kind that pan feeding portion can be avoided to occur to block up The wet ball mill of plug.
In order to solve the above technical problem, the present invention provides a kind of feeding device for wet ball mill, pan feeding dresses The pan feeding portion including being connect with the wet ball mill is set, grid is provided in the pan feeding portion, the feeding device further includes:Pressure Power water supply line, the pressure water source pipeline is for providing pressure water source;Weighing sensor, the weighing sensor is for weighing in list Pass through the weight for waiting for grind materials of the weighing sensor in the time of position;Nozzle, the nozzle are connected to the pressure water source pipeline simultaneously And it is provided towards the grid injection water;Electric control valve, the electric control valve are connected in the pressure water source pipeline;Stream Gauge, the flowmeter are connected in the pressure water source pipeline;And control unit, the control unit and the weighing and sensing Device, the electric control valve and flowmeter electrical connection, described control unit are waited for according to what the weighing sensor measured The normal flow of required water is calculated in the weight of grind materials, the institute that then described control unit is obtained according to the flow measurement State the water in pressure water source pipeline actual flow and the normal flow and control the aperture of the electric control valve.
Preferably, when actual flow is less than the normal flow, described control unit is sent out to the electric control valve Expand opening amount signal;When actual flow is more than the normal flow, described control unit is sent out to the electric control valve to be subtracted Small guide vane signal;When actual flow is equal to the normal flow, described control unit sends out holding to the electric control valve Opening amount signal.
Preferably, the nozzle includes having the taper sheath of smaller diameter end and larger diameter end and being connected to the taper sheath The smaller diameter end of the injection end plate of larger diameter end, the taper sheath is connected to the pressure water source pipeline, the injection end plate shape At there is multiple injection through-holes.
Preferably, the injection end plate is spherical plate.
Preferably, described to wait for that grind materials are continuously fed by batcher in the pan feeding portion, the weighing sensor is set It is placed in the batcher.
Preferably, it is also associated with water filter in the pressure water source pipeline.
Preferably, it is also associated with first manual switch valve and the second manual switch valve in the pressure water source pipeline, it is described First manual switch valve and second manual switch valve are closely arranged respectively in the both sides of the electric control valve.
Preferably, the feeding device further include by bypass duct with the electric control valve, the first manual The third manual switch valve of switch valve and the second manual switch valve parallel connection.
The present invention also provides a kind of wet ball mill, which includes of the present invention for wet ball mill Feeding device.
In addition, the present invention also provides a kind of pan feeding method for wet ball mill, the pan feeding method includes:A, it provides Wait for grind materials;B, water is provided by pressure water source pipeline, wherein being provided with electric control valve in the pressure water source pipeline;It is described Step b includes:Pass through the weight for waiting for grind materials of the weighing sensor within the unit interval using weighing sensor weighing;According to What the weighing sensor measured waits for that the normal flow of required water is calculated in the weight of grind materials;It is measured and is pressed using flowmeter The actual flow of water in power water supply line;The electric control valve is controlled according to the actual flow and the normal flow Aperture.
Preferably, when actual flow is less than the normal flow, expand the aperture of the electric control valve;When practical stream When amount is more than the normal flow, reduce the aperture of the electric control valve;When actual flow is equal to the normal flow, protect Hold the aperture of the electric control valve.
Through the above technical solutions, the feeding device and its pan feeding method for wet ball mill of the present invention being capable of basis While waiting for that the weight of grind materials is ejected water in pan feeding portion, rushed using the water with pressure by the material at grid is deposited in It dissipates and then enters in wet ball mill along water, thus meet the moisturizing demand of wet ball mill and material is avoided to be sent out in pan feeding portion It is raw to block.Feeding device for wet ball mill of the wet ball mill of the present invention due to including the present invention, it is same Have the advantages that above.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Description of the drawings
Attached drawing is to be used to provide further understanding of the present invention, an and part for constitution instruction, with following tool Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the schematic diagram of the feeding device for wet ball mill of specific implementation mode according to the present invention;
Fig. 2 is the enlarged view of the nozzle of the feeding device in Fig. 1;
Fig. 3 is the sectional view of the A-A in Fig. 2;
Fig. 4 is the enlarged view in the pan feeding portion of the feeding device in Fig. 1.
Reference sign
1, pan feeding portion 2, grid
3, weighing sensor 4, nozzle
4a, taper sheath 4b, injection end plate
5, pressure water source pipeline 6, electric control valve
7, flowmeter 8, control unit
9, batcher 10, water filter
11, pressure gauge 12, first manual switch valve
13, the second manual switch valve 14, bypass duct
15, third manual switch valve 16, wet ball mill
Specific implementation mode
The specific implementation mode of the present invention is described in detail below in conjunction with attached drawing.It should be understood that this place is retouched The specific implementation mode stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
The present invention provides a kind of feeding device for wet ball mill 16, specifically, as shown in Figure 1 and Figure 4, the pan feeding Device includes the pan feeding portion 1 being connect with the wet ball mill 16, grid 2 is provided in the pan feeding portion 1, the feeding device is also Including:Pressure water source pipeline 5, the pressure water source pipeline 5 is for providing pressure water source;Weighing sensor 3, the weighing sensor 3 For weighing the weight for waiting for grind materials within the unit interval by the weighing sensor 3;Nozzle 4, the nozzle 4 are connected to described Pressure water source pipeline 5 and it is provided towards 2 injection water of the grid;Electric control valve 6, the electric control valve 6 are connected to institute It states in pressure water source pipeline 5;Flowmeter 7, the flowmeter 7 are connected in the pressure water source pipeline 5;And control unit 8, it should Control unit 8 is electrically connected with the weighing sensor 3, the electric control valve 6 and the flowmeter 7, described control unit 8 Wait for that the normal flow of required water is calculated in the weight of grind materials according to what the weighing sensor 3 measured, the then control The actual flow and the normal flow of water in the pressure water source pipeline 5 that unit 8 processed is measured according to the flowmeter 7 and Control the aperture of the electric control valve 6.
It should be noted that pan feeding portion 1, the specific constructive form of grid 2 and nozzle 4 and material, weighing sensor 3, The concrete type of electric control valve 6, flowmeter 7 and control unit 8 can be arranged as required to, these belong to the present invention's Within range of the technology design.Such as in order to facilitate pan feeding, pan feeding portion 1 can be infundibulate.It is used in addition, material is specifically as follows The limestone particle of the desulfurization slurry in flue gas desulphurization system is produced, control unit 8 can be DCS control module, and flowmeter 7 can Think electromagnetic flowmeter.
Through the above technical solutions, the feeding device for wet ball mill of the present invention can be according to the weight for waiting for grind materials Amount is while eject water in pan feeding portion 1, using the water with pressure by the material for being deposited at grid 2 break up then along Water enters in wet ball mill 16, thus meets the moisturizing demand of wet ball mill 16 and material is avoided to occur to block up in pan feeding portion 1 Plug.
In the feeding device of the present invention, specifically, when actual flow is less than the normal flow, described control unit 8 send out expansion opening amount signal to the electric control valve 6;When actual flow is more than the normal flow, described control unit 8 Reduction opening amount signal is sent out to the electric control valve 6;When actual flow is equal to the normal flow, described control unit 8 Holding opening amount signal is sent out to the electric control valve 6, to realize control unit 8 according to the actual flow and the standard Flow and the aperture for controlling the electric control valve 6.
In the feeding device of the present invention, it is preferable that as shown in Figures 2 and 3, the nozzle 4 includes having smaller diameter end With the taper sheath 4a of the larger diameter end and injection end plate 4b for the larger diameter end for being connected to taper sheath 4a, the taper sheath 4a's Smaller diameter end is connected to the pressure water source pipeline 5, and the injection end plate 4b is formed with multiple injection through-holes, so as to utilize The nozzle 4 sprays the water with pressure in a manner of more disperseing.Specifically, the injection end plate 4b is spherical plate, to The water with pressure can be sprayed by the nozzle 4 in the way of fan spray, and then completely grid 2 is washed away. In addition, the area and pressure water source pipe of size, the installation site of nozzle 4 and the setting angle of injection end plate 4b according to pan feeding portion 1 The flow of water and pressure determine in road 5, as long as the water that nozzle 4 ejects can completely cover pan feeding portion 1.
It is specifically, described to wait for that grind materials continuously feed the pan feeding by batcher 9 in the feeding device of the present invention In portion 1, the weighing sensor 3 is set in the batcher 9, so as to pass through weighing sensor 3 and the weighing of batcher 9 Pass through the weight for waiting for grind materials of the batcher 9 within the unit interval.
In the feeding device of the present invention, more specifically, being also associated with 10 He of water filter in the pressure water source pipeline 5 Pressure gauge 11, to be filtered to the water in pressure water source pipeline 5 using the filter 10 (such as Y types strainer), on the contrary spray Mouth 4 and electric control valve 6 are damaged by the foreign matters from being blocked in water, while using pressure gauge to the pressure of the water in pressure water source pipeline 5 Power is detected, and breaks up the needs of material to find whether the pressure of water meets.
In the feeding device of the present invention, it is preferable that be also associated with first manual switch valve in the pressure water source pipeline 5 12 and second manual switch valve 13, the first manual switch valve 12 and second manual switch valve 13 are closely arranged respectively In the both sides of the electric control valve 6, to which when electric control valve 6 damages, maintenance personnel can be easily by first manual Switch valve 12 and the second manual switch valve 13 are closed and are repaired to electric control valve 6.It is highly preferred that the feeding device is also Including by bypass duct 14 by with the electric control valve 6, the first manual switch valve 12 and second manual switch The third manual switch valve 15 in parallel of valve 13, to when electric control valve 6 damages, maintenance personnel can easily will be first-hand 12 and second manual switch valve 13 of dynamic switch valve closes and by third manual switch valve 15, so as to full by bypass duct 14 The moisturizing demand of sufficient wet ball mill 16.
The present invention also provides a kind of wet ball mill, which includes of the present invention for wet ball mill Feeding device.
Feeding device for wet ball mill of the wet ball mill of the present invention due to including the present invention, it is same Have the advantages that above.
In addition, the present invention further provides a kind of pan feeding method for wet ball mill, the pan feeding method includes:a、 Offer waits for grind materials;B, water is provided by pressure water source pipeline 5, wherein being provided with motorized adjustment in the pressure water source pipeline 5 Valve 6;The step b includes:It is weighed using weighing sensor 3 and grind materials is waited for by the weighing sensor 3 within the unit interval Weight;Wait for that the normal flow of required water is calculated in the weight of grind materials according to what the weighing sensor 3 measured;It uses Flowmeter 7 measures the actual flow of the water in pressure water source pipeline 5;According to the actual flow and normal flow control electricity The aperture of dynamic regulating valve 6.
Through the above technical solutions, the pan feeding method of the feeding device for wet ball mill of the present invention can be according to waiting for While the weight of grind materials is ejected water in pan feeding portion 1, rushed using the water with pressure by the material at grid 2 is deposited in It dissipates and then enters in wet ball mill 16 along water, thus meet the moisturizing demand of wet ball mill 16 and avoid material in pan feeding Portion 1 blocks.
In the pan feeding method of the feeding device of the present invention, specifically, when actual flow is less than the normal flow, expand The aperture of the big electric control valve 6;When actual flow is more than the normal flow, reduce opening for the electric control valve 6 Degree;When actual flow is equal to the normal flow, the aperture of the electric control valve 6 is kept, to realize control unit 8 The aperture of the electric control valve 6 is controlled according to the actual flow and the normal flow.
The preferred embodiment of the present invention is described in detail above in association with attached drawing, still, the present invention is not limited to above-mentioned realities The detail in mode is applied, within the scope of the technical concept of the present invention, a variety of letters can be carried out to technical scheme of the present invention Monotropic type, these simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally The thought of invention, it should also be regarded as the disclosure of the present invention.

Claims (11)

1. a kind of feeding device for wet ball mill, which includes entering with what the wet ball mill (16) was connect Material portion (1) is provided with grid (2) in the pan feeding portion (1), which is characterized in that the feeding device further includes:
Pressure water source pipeline (5), the pressure water source pipeline (5) is for providing pressure water source;
Weighing sensor (3), the weighing sensor (3) are waited within the unit interval by weighing sensor (3) for weighing The weight of grind materials;
Nozzle (4), the nozzle (4) are connected to the pressure water source pipeline (5) and are provided towards the grid (2) injection Water;
Electric control valve (6), the electric control valve (6) are connected in the pressure water source pipeline (5);
Flowmeter (7), the flowmeter (7) are connected in the pressure water source pipeline (5);And
Control unit (8), the control unit (8) and the weighing sensor (3), the electric control valve (6) and the stream Gauge (7) is electrically connected, and described control unit (8) waits for that the weight of grind materials calculates according to what the weighing sensor (3) measured Go out the normal flow of required water, the pressure water source pipe that then described control unit (8) is measured according to the flowmeter (7) The actual flow and the normal flow of water in road (5) and the aperture for controlling the electric control valve (6).
2. feeding device according to claim 1, which is characterized in that when actual flow is less than the normal flow, institute It states control unit (8) and sends out expansion opening amount signal to the electric control valve (6);When actual flow is more than the normal flow When, described control unit (8) sends out reduction opening amount signal to the electric control valve (6);When actual flow is equal to the standard When flow, described control unit (8) sends out holding opening amount signal to the electric control valve (6).
3. feeding device according to claim 1, which is characterized in that the nozzle (4) is including with smaller diameter end and greatly The taper sheath (4a) of diameter end and be connected to the taper sheath (4a) larger diameter end injection end plate (4b), the taper sheath The smaller diameter end of (4a) is connected to the pressure water source pipeline (5), and the injection end plate (4b) is formed with multiple injection through-holes.
4. feeding device according to claim 3, which is characterized in that the injection end plate (4b) is spherical plate.
5. feeding device according to claim 1, which is characterized in that described to wait for grind materials by batcher (9) continuously It feeds in the pan feeding portion (1), the weighing sensor (3) is set in the batcher (9).
6. feeding device according to claim 1, which is characterized in that be also associated with water in the pressure water source pipeline (5) Filter (10).
7. feeding device according to claim 1, which is characterized in that be also associated in the pressure water source pipeline (5) A manual switch valve (12) and the second manual switch valve (13), the first manual switch valve (12) and second manual switch Valve (13) is closely arranged respectively in the both sides of the electric control valve (6).
8. feeding device according to claim 7, which is characterized in that the feeding device further includes passing through bypass duct (14) and with the electric control valve (6), the first manual switch valve (12) and the second manual switch valve (13) it is in parallel Third manual switch valve (15).
9. a kind of wet ball mill, which is characterized in that the wet ball mill includes according to any one of claim 1 to 8 institute The feeding device for wet ball mill stated.
10. a kind of pan feeding method for wet ball mill, which is characterized in that the pan feeding method includes:
A, it provides and waits for grind materials;
B, water is provided by pressure water source pipeline (5), wherein being provided with electric control valve (6) in the pressure water source pipeline (5);
The step b includes:It is weighed using weighing sensor (3) and waits grinding by the weighing sensor (3) within the unit interval The weight of material;
Wait for that the normal flow of required water is calculated in the weight of grind materials according to what the weighing sensor (3) measured;
The actual flow of the water in pressure water source pipeline (5) is measured using flowmeter (7);
The aperture of the electric control valve (6) is controlled according to the actual flow and the normal flow.
11. pan feeding method according to claim 10, which is characterized in that when actual flow is less than the normal flow, Expand the aperture of the electric control valve (6);When actual flow is more than the normal flow, reduce the electric control valve (6) aperture;When actual flow is equal to the normal flow, the aperture of the electric control valve (6) is kept.
CN201610289543.9A 2016-05-04 2016-05-04 Wet ball mill, the feeding device for wet ball mill and its pan feeding method Active CN105921226B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610289543.9A CN105921226B (en) 2016-05-04 2016-05-04 Wet ball mill, the feeding device for wet ball mill and its pan feeding method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610289543.9A CN105921226B (en) 2016-05-04 2016-05-04 Wet ball mill, the feeding device for wet ball mill and its pan feeding method

Publications (2)

Publication Number Publication Date
CN105921226A CN105921226A (en) 2016-09-07
CN105921226B true CN105921226B (en) 2018-08-03

Family

ID=56835329

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610289543.9A Active CN105921226B (en) 2016-05-04 2016-05-04 Wet ball mill, the feeding device for wet ball mill and its pan feeding method

Country Status (1)

Country Link
CN (1) CN105921226B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110721777A (en) * 2019-10-31 2020-01-24 平顶山华兴浮选工程技术服务有限公司 Semi-autogenous grinding system of aluminium cell overhaul sediment
CN113600300A (en) * 2021-07-13 2021-11-05 佛山市南海港能燃料物料有限公司 Coal water slurry ball mill system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1081628A (en) * 1992-05-29 1994-02-09 陶氏化学公司 Utilize rod mill to obtain the method for uniform paste fluid product
FI102149B1 (en) * 1995-03-08 1998-10-30 Valtion Teknillinen Method for grinding granular material and grinding equipment
CN101251396A (en) * 2008-04-02 2008-08-27 罗放明 Energy-saving grinder swirler closed-loop system and control method
CN205570467U (en) * 2016-05-04 2016-09-14 中国神华能源股份有限公司 Wet ball mill and be used for pan feeding device of wet ball mill

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1081628A (en) * 1992-05-29 1994-02-09 陶氏化学公司 Utilize rod mill to obtain the method for uniform paste fluid product
FI102149B1 (en) * 1995-03-08 1998-10-30 Valtion Teknillinen Method for grinding granular material and grinding equipment
CN101251396A (en) * 2008-04-02 2008-08-27 罗放明 Energy-saving grinder swirler closed-loop system and control method
CN205570467U (en) * 2016-05-04 2016-09-14 中国神华能源股份有限公司 Wet ball mill and be used for pan feeding device of wet ball mill

Also Published As

Publication number Publication date
CN105921226A (en) 2016-09-07

Similar Documents

Publication Publication Date Title
KR101035729B1 (en) Complex apparatus for coal fine dust collecting
CN105921226B (en) Wet ball mill, the feeding device for wet ball mill and its pan feeding method
JP2008082651A (en) Coal-biomass mixed firing system and method
CN212663207U (en) Baking soda dry purification device for waste incineration flue gas treatment
CN105346985A (en) Micron-grade dry mist dust suppression device for belt conveyor
CN205570467U (en) Wet ball mill and be used for pan feeding device of wet ball mill
KR101739972B1 (en) Limestone sludgy supply system for flue gas desulfurization equipment
CN102814225A (en) Efficient coal powder separation device of coal mill
KR100648975B1 (en) Plugging prevent apparatus of pulverizer supplying pipe
CN211119386U (en) Sludge incineration treatment device
CN206104030U (en) High -efficient lime powder duster
CN210346366U (en) Steel mill electric furnace flue gas processing system
CN210752009U (en) Flue gas dry deacidification device and flue gas purification system
CN102513210A (en) Sulfur trioxide Spraying device
CN206032777U (en) Spraying dust removal device and belt conveyor system of lower ore deposit funnel
CN107754984A (en) Environmentally friendly disintegrating machine
CN104328234B (en) A kind of thick collection device of blast furnace gas dust and method
CN102188894B (en) Method and system for supplying desulphurization absorbent in flue
JP4703708B2 (en) Dedusting method for pressurized fluidized bed boiler
CN102500487A (en) Far-range conical pneumatic nozzle
JP6942563B2 (en) Rapid combustion suppression device for crusher and its maintenance method
CN106731523B (en) Pneumatic emulsification treatment device and method
CN204035033U (en) A kind of powder pariticle sorter
CN101289289A (en) Quenching, temperature-reducing and self-controlling device for chamotte of energy-conserving rotating stove
CN214811557U (en) Milling system

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into 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: 100011 Beijing Dongcheng District, West Binhe Road, No. 22

Patentee after: China Shenhua Energy Co.,Ltd.

Patentee after: BEIJING GUOHUA ELECTRIC POWER Corp.,Ltd.

Patentee after: Guoneng Yuedian Taishan Power Generation Co.,Ltd.

Address before: 100011 Shenhua building, 22 West Binhe Road, Dongcheng District, Beijing

Patentee before: China Shenhua Energy Co.,Ltd.

Patentee before: BEIJING GUOHUA ELECTRIC POWER Corp.,Ltd.

Patentee before: GUANGDONG GUOHUA YUEDIAN TAISHAN POWER GENERATION Co.,Ltd.

CP03 Change of name, title or address