CN205570467U - Wet ball mill and be used for pan feeding device of wet ball mill - Google Patents

Wet ball mill and be used for pan feeding device of wet ball mill Download PDF

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Publication number
CN205570467U
CN205570467U CN201620394973.2U CN201620394973U CN205570467U CN 205570467 U CN205570467 U CN 205570467U CN 201620394973 U CN201620394973 U CN 201620394973U CN 205570467 U CN205570467 U CN 205570467U
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CN
China
Prior art keywords
feeding device
ball mill
wet ball
water source
pressure water
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Withdrawn - After Issue
Application number
CN201620394973.2U
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Chinese (zh)
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.)
China Shenhua Energy Co Ltd
Beijing Guohua Electric Power Co Ltd
Guangdong Guohua Yuedian Taishan Power Generation 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 CN201620394973.2U priority Critical patent/CN205570467U/en
Application granted granted Critical
Publication of CN205570467U publication Critical patent/CN205570467U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a wet ball mill field to a wet ball mill and a pan feeding device that is used for the wet ball mill is disclosed, the pan feeding device includes the pan feeding portion that is connected with the wet ball mill, is provided with the grid in the pan feeding portion, the pan feeding device still includes: the pressure water source pipeline, weighing sensor, weighing sensor are used for weighing in the unit interval weight of waiting to grind the material through weighing sensor, nozzle, nozzle are connected in the pressure water source pipeline and set up to towards the grid injection water, the electrical control valve, the flowmeter, and the control unit, the control unit and weighing sensor, electrical control valve and flowmeter electricity are connected, and the weight calculation that the control unit ground the material according to waiting of recording of weighing sensor reachs the normal flow of required water, then the actual flow of the water in the pressure water source pipeline that records according to the flowmeter of the control unit and normal flow and control the aperture of electrical control valve. The utility model discloses a pan feeding device can avoid its pan feeding portion to take place to block up.

Description

Wet ball mill and the feeding device for wet ball mill
Technical field
This utility model relates to wet ball mill field, in particular it relates to a kind of for wet ball mill Feeding device.Additionally, this utility model further relates to a kind of wet ball mill.
Background technology
Wet ball mill is after material is broken, then carries out the key equipment pulverized, usual wet ball-milling Machine is made up of pan feeding portion, discharging portion, rotating part, driving section etc..
In thermal power plant, wet ball mill is commonly used to pulping equipment in flue gas desulphurization system, its Function is to utilize steel ball to rotate to make being milled by the limestone particle in batcher input wet ball mill Serosity, is supplied to fume desulfurating absorption tower as removing cigarette by equipment such as follow-up cyclone, pumps using serosity The reactant of sulfur dioxide in gas.Therefore, flue gas desulphurization system is extremely closed by the stable operation of wet ball mill Important.If the serosity that wet ball mill prepares cannot meet the service requirement of flue gas desulphurization system, power plant Boiler pollutant discharge will exceed standard, and while causing atmospheric pollution, generating set will be carried by forced-stopping machine Carrying out greater loss, consequence is serious.The limestone that material is particle diameter about 20mm of input wet ball mill Grain, these limestone particles carry more dust, and easily at wet ball mill pan feeding portion (i.e. batcher Feed opening) grating position pile up, cause pan feeding portion flow area to reduce, charging ability declines, finally Causing pan feeding portion to block, ball mill fracture is stopped transport.Traditional processing method is, arranges special messenger to transport at equipment Opened overhaul of the equipments hole, the limestone of Hand scarf accumulated plugging every several hours between the departure date.Reality should In with, sometimes improve along with feeding coal, even if clearing up continually, still there will be stopping state, making Wet ball mill is become to stop transport.Greatly and exist certain it addition, above-mentioned processing method also has maintenance workload The determination of personal safety risk.
In view of this, it is desirable to provide a kind of it can be avoided that pan feeding portion occur blocking for wet ball mill Feeding device.
Utility model content
Technical problem to be solved in the utility model is to need to provide a kind of it can be avoided that pan feeding portion occurs The feeding device for wet ball mill of blocking.
Additionally, to be solved in the utility model another technical problem is that needs provide a kind of it can be avoided that There is the wet ball mill of blocking in pan feeding portion.
In order to solve above-mentioned technical problem, this utility model provides a kind of pan feeding for wet ball mill to fill Putting, this feeding device includes the pan feeding portion being connected with described wet ball mill, is provided with lattice in this pan feeding portion Grid, described feeding device also includes: pressure water source pipeline, and this pressure water source pipeline is used for providing press water Source;LOAD CELLS, this LOAD CELLS is for weighing within the unit interval by this LOAD CELLS Treat the weight of grind materials;Nozzle, this nozzle is connected to described pressure water source pipeline and is provided towards institute State grid injection water;Electric control valve, this electric control valve is connected in described pressure water source pipeline;Stream Gauge, this effusion meter is connected in described pressure water source pipeline;And control unit, this control unit with Described LOAD CELLS, described electric control valve and the electrical connection of described effusion meter, described control unit root The weight treating grind materials recorded according to described LOAD CELLS calculates the normal flow of required water, so The actual flow of the water in the described pressure water source pipeline that rear described control unit records according to described effusion meter Amount and described normal flow and control the aperture of described electric control valve.
Preferably, when actual flow is less than described normal flow, described control unit is to described electric adjustable Joint valve sends expansion opening amount signal;When actual flow more than described normal flow time, described control unit to Described electric control valve sends reduction opening amount signal;When actual flow is equal to described normal flow, described Control unit sends holding opening amount signal to described electric control valve.
Preferably, described nozzle includes having smaller diameter end and the taper sheath of larger diameter end and be connected to this The injection end plate of the larger diameter end of taper sheath, the smaller diameter end of described taper sheath is connected to described pressure water source Pipeline, described injection end plate is formed with multiple injection through hole.
Preferably, described injection end plate is spherical plate.
Preferably, described in treat that grind materials passes through batcher and feeds in described pan feeding portion continuously, described in weigh Sensor is arranged in described batcher.
Preferably, described pressure water source pipeline is also associated with water filter.
Preferably, described pressure water source pipeline is also associated with first manual switch valve and the second hand switch Valve, described first manual switch valve and described second manual switch valve are the most closely arranged on described electronic The both sides of regulation valve.
Preferably, described feeding device also include by bypass duct with described electric control valve, described First manual switch valve and the 3rd manual switch valve of described second manual switch valve parallel connection.
This utility model also provides for a kind of wet ball mill, and this wet ball mill includes described in the utility model The feeding device for wet ball mill.
By technique scheme, the feeding device for wet ball mill of the present utility model can basis While treating that the weight of grind materials ejects water in pan feeding portion, utilize the water with pressure will be deposited in lattice Material at grid breaks up and then enters in wet ball mill along water, thus meets the moisturizing of wet ball mill Demand also avoids material to block in pan feeding portion.Wet ball mill of the present utility model is owing to including this reality With the novel feeding device for wet ball mill, therefore it has above advantage equally.
Other features and advantages of the utility model will give in detailed description of the invention part subsequently in detail Explanation.
Accompanying drawing explanation
Accompanying drawing is used to offer and is further appreciated by of the present utility model, and constitutes one of description Point, it is used for explaining this utility model together with detailed description below, but is not intended that this practicality Novel restriction.In the accompanying drawings:
Fig. 1 is the feeding device for wet ball mill according to detailed description of the invention of the present utility model Schematic diagram;
Fig. 2 is the zoomed-in view of the nozzle of the feeding device in Fig. 1;
Fig. 3 is the sectional view of the A-A along Fig. 2;
Fig. 4 is the zoomed-in view in the pan feeding portion of the feeding device in Fig. 1.
Description of reference numerals
1, pan feeding portion 2, grid
3, LOAD CELLS 4, nozzle
4a, taper sheath 4b, injection end plate
5, pressure water source pipeline 6, electric control valve
7, effusion meter 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, the 3rd manual switch valve 16, wet ball mill
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in detail.It is to be understood that It is that detailed description of the invention described herein is merely to illustrate and explains this utility model, is not used to limit This utility model processed.
This utility model provides a kind of feeding device for wet ball mill 16, specifically, such as Fig. 1 Shown in Fig. 4, this feeding device includes the pan feeding portion 1 being connected with described wet ball mill 16, this pan feeding Being provided with grid 2 in portion 1, described feeding device also includes: pressure water source pipeline 5, this pressure water source Pipeline 5 is used for providing pressure water source;LOAD CELLS 3, this LOAD CELLS 3 is for weighing in unit By the weight treating grind materials of this LOAD CELLS 3 in time;Nozzle 4, this nozzle 4 is connected to institute State pressure water source pipeline 5 and be provided towards described grid 2 and spray water;Electric control valve 6, this electricity Dynamic regulation valve 6 is connected in described pressure water source pipeline 5;Effusion meter 7, this effusion meter 7 is connected to institute State in pressure water source pipeline 5;And control unit 8, this control unit 8 and described LOAD CELLS 3, Described electric control valve 6 and described effusion meter 7 electrically connect, and described control unit 8 is weighed according to described What sensor 3 recorded treats that the weight of grind materials calculates the normal flow of required water, the most described control The actual flow of the water in the described pressure water source pipeline 5 that unit 8 processed records according to described effusion meter 7 and Described normal flow and control the aperture of described electric control valve 6.
It should be noted that pan feeding portion 1, grid 2 and the specific constructive form of nozzle 4 and material, The particular type of LOAD CELLS 3, electric control valve 6, effusion meter 7 and control unit 8 all can root Arrange according to needs, within these belong to technology concept of the present utility model.Enter the most for convenience Material, pan feeding portion 1 can be infundibulate.It addition, material is specifically as follows for producing flue gas desulphurization system In the limestone particle of desulfurization slurry, control unit 8 can be DCS control module, effusion meter 7 It can be electromagnetic flowmeter.
By technique scheme, the feeding device for wet ball mill of the present utility model can basis While treating that the weight of grind materials ejects water in pan feeding portion 1, the water with pressure is utilized to be deposited in Material at grid 2 breaks up and then enters in wet ball mill 16 along water, thus meets wet ball-milling The moisturizing demand of machine 16 also avoids material to block in pan feeding portion 1.
In feeding device of the present utility model, specifically, when actual flow is less than described normal flow, Described control unit 8 sends expansion opening amount signal to described electric control valve 6;When actual flow is more than institute When stating normal flow, described control unit 8 sends reduction opening amount signal to described electric control valve 6;When When actual flow is equal to described normal flow, described control unit 8 sends guarantor to described electric control valve 6 Hold opening amount signal, thus realize control unit 8 and control according to described actual flow and described normal flow The aperture of described electric control valve 6.
In feeding device of the present utility model, it is preferable that as shown in Figures 2 and 3, described nozzle 4 Including there is the taper sheath 4a of smaller diameter end and larger diameter end and being connected to the major diameter of this taper sheath 4a The injection end plate 4b of end, the smaller diameter end of described taper sheath 4a is connected to described pressure water source pipeline 5, Described injection end plate 4b is formed with multiple injection through hole such that it is able to utilize this nozzle 4 will have pressure Water spray in the most scattered mode.Specifically, described injection end plate 4b is spherical plate, it is thus possible to This nozzle 4 is enough utilized to be sprayed in the way of fan spray by the water with pressure, and then intactly to grid 2 wash away.It addition, the injection size of end plate 4b, the installation site of nozzle 4 and setting angle according to In the area in pan feeding portion 1 and pressure water source pipeline 5, flow and the pressure of water determine, as long as nozzle 4 sprays The water gone out can intactly cover pan feeding portion 1.
In feeding device of the present utility model, specifically, treat described in that grind materials passes through batcher 9 continuous Feed in described pan feeding portion 1, described LOAD CELLS 3 is arranged in described batcher 9, it is thus possible to Enough weighed within the unit interval by the thing to be ground of this batcher 9 by LOAD CELLS 3 and batcher 9 The weight of material.
In feeding device of the present utility model, more specifically, described pressure water source pipeline 5 is also connected with There are water filter 10 and Pressure gauge 11, in order to utilize this filter 10 (such as Y type filter screen) to pressure Water in water supply line 5 filters, otherwise nozzle 4 and electric control valve 6 are by the foreign matters from being blocked in water Damage, utilize Pressure gauge that the pressure of the water in pressure water source pipeline 5 is detected simultaneously, in order to find Whether the pressure of water meets the needs breaking up material.
In feeding device of the present utility model, it is preferable that described pressure water source pipeline 5 is also associated with First manual switch valve 12 and the second manual switch valve 13, described first manual switch valve 12 and described Two manual switch valves 13 are the most closely arranged on the both sides of described electric control valve 6, thus when electronic When regulation valve 6 damages, first manual switch valve 12 and second can manually be opened by attendant easily Close valve 13 to close and electric control valve 6 is keeped in repair.It is highly preferred that described feeding device also includes By bypass duct 14 with described electric control valve 6, described first manual switch valve 12 and described 3rd manual switch valve 15 of two manual switch valve 13 parallel connections, thus when electric control valve 6 damages, First manual switch valve 12 and the second manual switch valve 13 can be closed and by by attendant easily Three manual switch valves 15 such that it is able to met the moisturizing demand of wet ball mill 16 by bypass duct 14.
This utility model also provides for a kind of wet ball mill, and this wet ball mill includes described in the utility model The feeding device for wet ball mill.
Wet ball mill of the present utility model is owing to including entering for wet ball mill of the present utility model Material device, therefore it has above advantage equally.
Preferred implementation of the present utility model is described in detail above in association with accompanying drawing, but, this practicality is new Type is not limited to the detail in above-mentioned embodiment, in technology concept of the present utility model, The technical solution of the utility model can be carried out multiple simple variant, these simple variant belong to this reality With novel protection domain.
It is further to note that each the concrete technology described in above-mentioned detailed description of the invention is special Levy, in the case of reconcilable, can be combined by any suitable means, in order to avoid need not The repetition wanted, various possible compound modes are illustrated by this utility model the most separately.
Additionally, combination in any can also be carried out between various different embodiment of the present utility model, only Wanting it without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.

Claims (9)

1., for a feeding device for wet ball mill, this feeding device includes and described wet ball-milling The pan feeding portion (1) that machine (16) connects, is provided with grid (2) in this pan feeding portion (1), and its feature exists In, described feeding device also includes:
Pressure water source pipeline (5), this pressure water source pipeline (5) is used for providing pressure water source;
LOAD CELLS (3), this LOAD CELLS (3) is claimed by this within the unit interval for weighing The weight treating grind materials of weight sensor (3);
Nozzle (4), this nozzle (4) is connected to described pressure water source pipeline (5) and is provided towards Described grid (2) injection water;
Electric control valve (6), this electric control valve (6) is connected in described pressure water source pipeline (5);
Effusion meter (7), this effusion meter (7) is connected in described pressure water source pipeline (5);And
Control unit (8), this control unit (8) and described LOAD CELLS (3), described electric adjustable Joint valve (6) and described effusion meter (7) electrically connect, and weigh described in described control unit (8) basis The weight treating grind materials that sensor (3) records calculates the normal flow of required water, then institute State in the described pressure water source pipeline (5) that control unit (8) records according to described effusion meter (7) Actual flow and the described normal flow of water and control the aperture of described electric control valve (6).
Feeding device the most according to claim 1, it is characterised in that when actual flow is less than institute When stating normal flow, described control unit (8) sends expansion aperture letter to described electric control valve (6) Number;When actual flow is more than described normal flow, described control unit (8) is to described motorized adjustment Valve (6) sends reduction opening amount signal;When actual flow is equal to described normal flow, described control list Unit (8) sends holding opening amount signal to described electric control valve (6).
Feeding device the most according to claim 1, it is characterised in that described nozzle (4) includes There is the taper sheath (4a) of smaller diameter end and larger diameter end and be connected to the big straight of this taper sheath (4a) The injection end plate (4b) of footpath end, the smaller diameter end of described taper sheath (4a) is connected to described pressure water source Pipeline (5), described injection end plate (4b) is formed with multiple injection through hole.
Feeding device the most according to claim 3, it is characterised in that described injection end plate (4b) For spherical plate.
Feeding device the most according to claim 1, it is characterised in that described in treat that grind materials passes through Batcher (9) feeds in described pan feeding portion (1) continuously, and described LOAD CELLS (3) is arranged at In described batcher (9).
Feeding device the most according to claim 1, it is characterised in that described pressure water source pipeline (5) water filter (10) it is also associated with in.
Feeding device the most according to claim 1, it is characterised in that described pressure water source pipeline (5) first manual switch valve (12) and the second manual switch valve (13) it are also associated with in, described first Manual switch valve (12) and described second manual switch valve (13) are the most closely arranged on described electronic The both sides of regulation valve (6).
Feeding device the most according to claim 7, it is characterised in that described feeding device also wraps Include by bypass duct (14) with described electric control valve (6), described first manual switch valve (12) Threeth manual switch valve (15) in parallel with described second manual switch valve (13).
9. a wet ball mill, it is characterised in that this wet ball mill includes according to claim 1 The feeding device for wet ball mill described in any one in 8.
CN201620394973.2U 2016-05-04 2016-05-04 Wet ball mill and be used for pan feeding device of wet ball mill Withdrawn - After Issue CN205570467U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620394973.2U CN205570467U (en) 2016-05-04 2016-05-04 Wet ball mill and be used for pan feeding device of wet ball mill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620394973.2U CN205570467U (en) 2016-05-04 2016-05-04 Wet ball mill and be used for pan feeding device of wet ball mill

Publications (1)

Publication Number Publication Date
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105921226A (en) * 2016-05-04 2016-09-07 中国神华能源股份有限公司 Wet ball mill, charging device for wet ball mill and charging method thereof
CN107051661A (en) * 2017-05-10 2017-08-18 佛山市卓达豪机械有限公司 A kind of continuous ball mill dispensing and charging weighing system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105921226A (en) * 2016-05-04 2016-09-07 中国神华能源股份有限公司 Wet ball mill, charging device for wet ball mill and charging method thereof
CN105921226B (en) * 2016-05-04 2018-08-03 中国神华能源股份有限公司 Wet ball mill, the feeding device for wet ball mill and its pan feeding method
CN107051661A (en) * 2017-05-10 2017-08-18 佛山市卓达豪机械有限公司 A kind of continuous ball mill dispensing and charging weighing system

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GR01 Patent grant
AV01 Patent right actively abandoned
AV01 Patent right actively abandoned

Granted publication date: 20160914

Effective date of abandoning: 20180803