CN106000560B - A kind of pulping system of lime stone slurry - Google Patents
A kind of pulping system of lime stone slurry Download PDFInfo
- Publication number
- CN106000560B CN106000560B CN201610516125.9A CN201610516125A CN106000560B CN 106000560 B CN106000560 B CN 106000560B CN 201610516125 A CN201610516125 A CN 201610516125A CN 106000560 B CN106000560 B CN 106000560B
- Authority
- CN
- China
- Prior art keywords
- lime stone
- charging aperture
- limestone
- dump skip
- connection
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- 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
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/50—Mixing liquids with solids
- B01F23/53—Mixing liquids with solids using driven stirrers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/80—Mixing plants; Combinations of mixers
- B01F33/83—Mixing plants specially adapted for mixing in combination with disintegrating operations
-
- 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
- B02C17/18—Details
- B02C17/183—Feeding or discharging devices
-
- 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
- B02C17/18—Details
- B02C17/183—Feeding or discharging devices
- B02C17/186—Adding fluid, other than for crushing by fluid energy
- B02C17/1865—Adding fluid, other than for crushing by fluid energy after crushing
- B02C17/187—Adding fluid, other than for crushing by fluid energy after crushing with recirculation of material to crushing 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
- 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
- B02C17/18—Details
- B02C17/24—Driving mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/40—Production or processing of lime, e.g. limestone regeneration of lime in pulp and sugar mills
Abstract
The invention discloses a kind of pulping system of lime stone slurry, limestone dump skip discharging opening is connected with oscillating feeder feed end, oscillating feeder discharge end is connected with bucket lifting machine inlet, bucket elevator discharging opening is connected with lime stone warehouse charging aperture, belt weighing batcher charging aperture is connected with lime stone warehouse discharging opening, belt weighing batcher discharging opening is connected with wet ball mill feed mouth, wet ball mill discharging opening at the top of grinder slurry circulating box with being connected, grinder slurry circulating box bottom is connected with lime stone cyclone charging aperture, the overfall of lime stone cyclone is connected with lime stone slurry box top, lime stone cyclone underflow opening is connected with wet ball mill feed mouth.Beneficial effects of the present invention：Equipment is simplified, reduces equipment cost and construction costs；＞ 20mm lime stone is prevented to enter equipment；Metallics is prevented to enter equipment；Avoid excessive insoluble impurity from returning to absorption tower, improve gypsum qualitt, reduce line clogging.
Description
Technical field
The present invention relates to technical field of desulfurization, in particular to a kind of pulping system of lime stone slurry.
Background technology
At present, existing flue gas desulfurization technique includes wet desulphurization and dry desulfurization etc., wherein lime stone-gypsum wet
It is that technology is most ripe in the world at present, practical achievement is most, the most wide sulfur removal technology of utilization.At present, Gypsum Wet cigarette
In desulfurization technique, conventional limestone powder bin system is horizontal to limestone powder bin using bucket elevator vertical-lift agstone
Position.
Reuse embedded scraper transporter level and be transported to limestone powder bin, equipment is complex, and equipment cost is higher.Separately
Outside, lime stone slurry carries out countercurrent washing in absorption tower to flue gas, the SO in flue gas2React, generate CaSO3·2H2O
And moved on to fine granularity in slurries, forced to be oxidized to CaSO using air4·2H2O is crystallized.Impurity in these crystallizations
It can return in absorption tower, for absorption tower, the iterative cycles of insoluble impurity and accumulation, normal desulphurization reaction can be disturbed, increase
The energy consumption of system, the purity of gypsum can be also influenceed, block pipeline.
The content of the invention
To solve the above problems, it is an object of the invention to provide a kind of efficiency high, the limestone slurry that energy consumption is low, cost is low
The pulping system of liquid.
The invention provides a kind of pulping system of lime stone slurry, including：
Limestone dump skip, its side are provided with charging aperture, and the charging aperture of the limestone dump skip is connected to open truck, institute
The bottom for stating limestone dump skip is provided with taper dump skip, and the top of the limestone dump skip is provided with discharging deduster, described
The bottom of taper dump skip is provided with discharge gate, and the discharging deduster is connected to compressed air；
Oscillating feeder, its feed end are connected with the discharge gate, and discharge end and the bucket type of the oscillating feeder carry
The charging aperture connection of the machine of liter；
Lime stone warehouse, its top are provided with charging aperture, charging aperture and the bucket elevator of the lime stone warehouse
Discharging opening is connected by one section of inclined tube, and the bottom of the lime stone warehouse is provided with taper storage bin hopper, the bottom of the taper storage bin hopper
Portion is provided with storing valve；
Grinder slurry circulating box, the first agitator is provided with it, and the side of the grinder slurry circulating box bottom is provided with mill
Machine slurry circulating pump；
Limestone slurry liquid case, the second agitator is provided with it, the side of the limestone slurry liquid case bottom is provided with lime stone
Slurries pump；
Lime stone cyclone, its charging aperture are connected with the grinder slurry circulating pump, the overflow of the lime stone cyclone
Mouth is connected with the top of the limestone slurry liquid case, and the underflow opening of the lime stone cyclone and the charging aperture of wet ball mill connect
Connect；
Wet ball mill, its discharging opening are connected with the top of the grinder slurry circulating box；
Belt weighing batcher, its charging aperture are connected with the storing valve, the discharging opening of the belt weighing batcher
It is connected with the charging aperture of the wet ball mill；
Absorption tower, it is connected with the limestone slurry liquid pump.
It is located at the charging of the limestone dump skip as further improvement of the invention, in addition to grid, the grid
Between mouth and the top of the limestone dump skip.
As further improvement of the invention, the grid is obliquely installed.
As further improvement of the invention, the top of the oscillating feeder is provided with apparatus for separating metals.
As further improvement of the invention, the wet ball mill is by feed arrangement, drawing mechanism, slewing equipment, biography
Dynamic device composition.
As further improvement of the invention, the transmission device includes variable-frequency motor, reduction box, small transmission gear group
Into the reduction box is connected by shaft coupling with the small transmission gear, and the slewing equipment is gear wheel, the small driving cog
Wheel drives the gear wheel revolution.
As further improvement of the invention, the lime stone cyclone uses carbon steel line with rubber or polyurethane.
As further improvement of the invention, the underflow opening of the lime stone cyclone uses carborundum.
Beneficial effects of the present invention are：
1st, agstone is promoted to limestone powder bin top by bucket elevator, reuses inclined tube and agstone is imported into stone
Lime stone powder cabin, eliminates embedded scraper transporter, simplifies equipment, reduces equipment cost and construction costs；
2nd, by the setting of grid, prevent ＞ 20mm lime stone from entering equipment；
3rd, the setting of apparatus for separating metals, prevent metallics from entering equipment；
4th, efficiency high, energy consumption are low, simple in construction, maintenance is easy to maintenance；
5th, after lime stone slurry is separated by lime stone cyclone, avoid excessive insoluble impurity from returning to absorption tower, improve
Gypsum qualitt, reduces line clogging.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the pulping system of lime stone slurry described in the embodiment of the present invention.
In figure：1st, open truck；2nd, limestone dump skip；3rd, oscillating feeder；4th, discharging deduster；5th, bucket lifting
Machine；6th, lime stone warehouse；7th, storing valve；8th, apparatus for separating metals；9th, grid；10th, discharge gate；11st, inclined tube；12nd, compression is empty
Gas；13rd, belt weighing batcher；14th, wet ball mill；15th, grinder slurry circulating box；16th, the first agitator；17th, grinding machine is starched
Liquid circulating pump；18th, lime stone cyclone；19th, the second agitator；20 limestone slurry liquid cases；21st, limestone slurry liquid pump；22nd, absorb
Tower.
Embodiment
The present invention is described in further detail below by specific embodiment and with reference to accompanying drawing.
As shown in figure 1, a kind of pulping system of lime stone slurry of the embodiment of the present invention, including lime stone device for discharging and
Serum recycle device, lime stone device for discharging are connected with serum recycle device.Lime stone device for discharging include limestone dump skip,
Oscillating feeder, bucket elevator and lime stone warehouse, the discharging opening of limestone dump skip and the feed end of oscillating feeder connect
Connect, the discharge end of oscillating feeder and the charging aperture of bucket elevator connect, discharging opening and the lime stone warehouse of bucket elevator
Charging aperture connection.Serum recycle device includes belt weighing batcher, wet ball mill, grinder slurry circulating box, lime stone
Cyclone and limestone slurry liquid case, the charging aperture of belt weighing batcher are connected with the discharging opening of lime stone warehouse, belt weighing
The discharging opening of batcher and the charging aperture of wet ball mill connect, discharging opening and the grinder slurry circulating box top of wet ball mill
Connection, grinder slurry circulating box bottom are connected with the charging aperture of lime stone cyclone, the overfall and lime of lime stone cyclone
The top connection of stone slurry tank, the underflow opening of lime stone cyclone and the charging aperture of wet ball mill connect.
Specifically it is connected as：The side of limestone dump skip 3 is provided with charging aperture, and the charging aperture of limestone dump skip 2 is connected to
Open truck 1, the bottom of limestone dump skip 2 are provided with taper dump skip, and the top of limestone dump skip 2 is provided with discharging deduster
4, the bottom of taper dump skip is provided with discharge gate 10, and discharging deduster 4 is connected to compressed air 12.Oscillating feeder 3 enters
Material end is connected with discharge gate 10, and the discharge end of oscillating feeder 3 is connected with the charging aperture of bucket elevator 5.Lime stone warehouse 6
Top be provided with charging aperture, the charging aperture of lime stone warehouse 6 is connected with the discharging opening of bucket elevator 5 by one section of inclined tube 11,
The bottom of lime stone warehouse 6 is provided with taper storage bin hopper, and the bottom of taper storage bin hopper is provided with storing valve 7.Grinder slurry circulating box
The first agitator 16 is provided with 15, the side of the bottom of grinder slurry circulating box 15 is provided with grinder slurry circulating pump 17.Limestone slurry
The second agitator 19 is provided with liquid case 20, the side of the bottom of limestone slurry liquid case 20 is provided with limestone slurry liquid pump 21.Lime stone revolves
The charging aperture of stream device 18 is connected with grinder slurry circulating pump 17, overfall and the limestone slurry liquid case 20 of lime stone cyclone 18
Top is connected, and the underflow opening of lime stone cyclone 18 is connected with the charging aperture of wet ball mill 14.The discharging of wet ball mill 14
Mouth is connected with the top of grinder slurry circulating box 15.The charging aperture of belt weighing batcher 13 is connected with storing valve 7, belt conveyer scale
The discharging opening of weight batcher 13 is connected with the charging aperture of wet ball mill 14.Absorption tower 22 is connected with limestone slurry liquid pump 21.
In order to prevent ＞ 20mm lime stone from entering equipment, in addition to grid 9, grid 9 is located at entering for limestone dump skip 2
Between the top of material mouth and limestone dump skip 2.In order to ensure blocking effect, grid 9 is obliquely installed.
In order to prevent metallics from entering equipment, the top of oscillating feeder 3 is provided with apparatus for separating metals 8.Apparatus for separating metals 8
With automatic removing device, or provide alarm signal, once detect have metal in lime stone when, with regard to automatic rejection or stopping
Conveying.
Wherein, wet ball mill 14 is made up of feed arrangement, drawing mechanism, slewing equipment, transmission device.
Specifically, transmission device include variable-frequency motor, reduction box, small transmission gear composition, reduction box by shaft coupling with
Small transmission gear connects, and slewing equipment is gear wheel, and small transmission gear drives gear wheel revolution.
Further, in order that obtaining the more anticorrosion antiwear of lime stone cyclone 18, lime stone cyclone 18 is served as a contrast using carbon steel
Glue or polyurethane.
Further, due to cyclone Nei Liu factories, the skewness of pressure field, the frayed degree of all parts is different,
The underflow opening for wearing the lime stone cyclone 18 of most serious uses carborundum.
When specifically used, limestone block delivers to scene by open truck, and particle diameter is between≤20mm.In the discharge terminal of sealing
Toward underground hopper discharge, the lime stone for preventing ＞ 20mm with grid enters equipment, sent through oscillating feeder, bucket elevator truck
To lime stone warehouse, then it is sent to by Weighing feeder in wet ball mill and is milled into slurries, ball mill outlet slurries flow to mill
Machine recycling tank, lime stone slurry is sent to limestone slurry liquid swirler by grinding machine recirculation pump, and after separation, large scale material returns
Return in grinding machine and recycle, overflow material is stored in limestone slurry liquid case, is then pumped to absorption tower through lime stone slurry.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (5)
- A kind of 1. pulping system of lime stone slurry, it is characterised in that including：Limestone dump skip（2）, its side is provided with charging aperture, the limestone dump skip（2）Charging aperture be connected to open truck （1）, the limestone dump skip（2）Bottom be provided with taper dump skip, the limestone dump skip（2）Top be provided with discharging Deduster（4）, the bottom of the taper dump skip is provided with discharge gate（10）, the discharging deduster（4）It is empty to be connected to compression Gas（12）；Oscillating feeder（3）, its feed end and the discharge gate（10）Connection, the oscillating feeder（3）Discharge end with Bucket elevator（5）Charging aperture connection；Lime stone warehouse（6）, its top is provided with charging aperture, the lime stone warehouse（6）Charging aperture and the bucket elevator （5）Discharging opening pass through one section of inclined tube（11）Connection, the lime stone warehouse（6）Bottom be provided with taper storage bin hopper, the cone The bottom of shape storage bin hopper is provided with storing valve（7）；Grinder slurry circulating box（15）, the first agitator is provided with it（16）, the grinder slurry circulating box（15）The one of bottom Side is provided with grinder slurry circulating pump（17）；Limestone slurry liquid case（20）, the second agitator is provided with it（19）, the limestone slurry liquid case（20）The side of bottom is set There is limestone slurry liquid pump（21）；Lime stone cyclone（18）, its charging aperture and the grinder slurry circulating pump（17）Connection, the lime stone cyclone （18）Overfall and the limestone slurry liquid case（20）Top connection, the lime stone cyclone（18）Underflow opening with it is wet Formula ball mill（14）Charging aperture connection；Wet ball mill（14）, its discharging opening and the grinder slurry circulating box（15）Top connection；Belt weighing batcher（13）, its charging aperture and the storing valve（7）Connection, the belt weighing batcher（13）'s Discharging opening and the wet ball mill（14）Charging aperture connection；Absorption tower（22）, itself and the limestone slurry liquid pump（21）Connection；Grid（9）, it is located at the limestone dump skip（2）Charging aperture and the limestone dump skip（2）Top between, The grid（9）It is obliquely installed；The oscillating feeder（3）Top be provided with apparatus for separating metals（8）.
- 2. pulping system according to claim 1, it is characterised in that the wet ball mill（14）By feed arrangement, go out Expect device, slewing equipment, transmission device composition.
- 3. pulping system according to claim 2, it is characterised in that the transmission device include variable-frequency motor, reduction box, Small transmission gear is formed, and the reduction box is connected by shaft coupling with the small transmission gear, and the slewing equipment is gear wheel, The small transmission gear drives the gear wheel revolution.
- 4. pulping system according to claim 1, it is characterised in that the lime stone cyclone（18）Using carbon steel line with rubber Or polyurethane.
- 5. pulping system according to claim 4, it is characterised in that the lime stone cyclone（18）Underflow opening use Carborundum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610516125.9A CN106000560B (en) | 2016-07-01 | 2016-07-01 | A kind of pulping system of lime stone slurry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610516125.9A CN106000560B (en) | 2016-07-01 | 2016-07-01 | A kind of pulping system of lime stone slurry |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106000560A CN106000560A (en) | 2016-10-12 |
| CN106000560B true CN106000560B (en) | 2018-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610516125.9A Active CN106000560B (en) | 2016-07-01 | 2016-07-01 | A kind of pulping system of lime stone slurry |
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| CN (1) | CN106000560B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107497585A (en) * | 2017-09-26 | 2017-12-22 | 江苏密友粉体新装备制造有限公司 | Large-scale dry method superfine powder production line |
| CN107983518A (en) * | 2017-11-27 | 2018-05-04 | 大唐贵州发耳发电有限公司 | A kind of device and its technique for improving limestone slurry liquid case internal limestone slurries granularity |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1270808C (en) * | 2004-08-27 | 2006-08-23 | 北京国电龙源环保工程有限公司 | Preparation device and technology of absorber-lime stone paste liquid for smoke desulfurization |
| CN201783384U (en) * | 2010-07-28 | 2011-04-06 | 江阴市中立机械工业有限公司 | Material real-time monitoring system of wet type mill slurry preparation system |
| CN202725291U (en) * | 2012-07-27 | 2013-02-13 | 富民龙腾钛业有限责任公司 | Limestone emulsion grinding mechanism |
| CN203253515U (en) * | 2013-05-27 | 2013-10-30 | 福建大唐国际宁德发电有限责任公司 | Power plant desulphurization pulping system feeder |
| CN103555935A (en) * | 2013-11-21 | 2014-02-05 | 中冶北方（大连）工程技术有限公司 | Pellet iron ore concentrate fine grinding pelletizing system and process |
| CN204380777U (en) * | 2014-12-11 | 2015-06-10 | 甘肃大唐国际连城发电有限责任公司 | A kind of wet ball mill pulping system |
| CN204974129U (en) * | 2015-07-27 | 2016-01-20 | 石福军 | Desulfurization lime stone conveying system of thermal power factory |
| CN205731465U (en) * | 2016-07-01 | 2016-11-30 | 大唐环境产业集团股份有限公司 | A kind of pulping system of lime stone slurry |
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- 2016-07-01 CN CN201610516125.9A patent/CN106000560B/en active Active
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| CN106000560A (en) | 2016-10-12 |
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Inventor after: Liu Yuxin Inventor after: Wei Tianyao Inventor after: Yang Chen Inventor after: Cao Yu Inventor after: Jiang Chengyu Inventor after: Xia Shuang Inventor after: Li Yehong Inventor after: Liu Chang Inventor after: Zhao Yuntao Inventor after: Li Chunyu Inventor after: Cao Dong Inventor after: Yang Xiujie Inventor before: Liu Yuxin Inventor before: Lu Shengkuan Inventor before: Zhao Yuntao |
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