CN101804271A - Concentration device for carbide slag slurries - Google Patents
Concentration device for carbide slag slurries Download PDFInfo
- Publication number
- CN101804271A CN101804271A CN200910092492A CN200910092492A CN101804271A CN 101804271 A CN101804271 A CN 101804271A CN 200910092492 A CN200910092492 A CN 200910092492A CN 200910092492 A CN200910092492 A CN 200910092492A CN 101804271 A CN101804271 A CN 101804271A
- Authority
- CN
- China
- Prior art keywords
- carbide slag
- concentration tank
- enrichment facility
- cone
- face
- 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.)
- Granted
Links
Images
Landscapes
- Filtration Of Liquid (AREA)
Abstract
The invention relates to a concentration device for carbide slag slurries, which is characterized by comprising a concentration tank, a low speed rotary filter, a delivery pipe, a water stirring piece and a stirrer, wherein the upper part of the concentration tank is a cylindrical podetium, and the lower part thereof is a cone; the low speed rotary filter arranged above the concentration tank is used for filtering out large solid particles in the carbide slag slurry; the slurry outlet of a slurry containing tray at the lower part of the low speed rotary filter is connected with one end of the delivery pipe; the other end of the delivery pipe is inserted in the concentration tank, and the port part is provided with the water stirring piece; the peripheral surface of the water stirring piece is in a conical structure; and the stirrer is arranged in the lower cone of the concentration tank. The device of the invention has small electricity consumption, 10-15t/h of carbide slag slurry can be processed by a single unit, and the supply of desulfurized slurry can be completely satisfied by coupling 1-2 units.
Description
Technical field
The present invention relates to filed of flue gas purification, be specifically related to a kind of enrichment facility of carbide slag slurries, be used for the carbide slag slurries of chemical plant emission is condensed into the slurries that satisfy desulfurizing agent needs concentration.
Background technology
Carbide slag slurries is that the chemical plant adopts carbide to produce the discarded object that Corvic (PVC) produces.The calcium carbide hydrolysis is obtained and produced with calcium hydroxide behind the acetylene gas is the carbide slag slurries of main component, and carbide slag slurries is slightly soluble in water, strong basicity, and impurity is more, mainly is the coke that do not wait of granular size and the impurity of lime raw material, the Ca in the carbide slag slurries (OH)
2The content height is good SO
2Therefore absorbent, utilizes carbide slag slurries replacing lime masonry to be desulfurizing agent, can reduce desulphurization cost, reduces limestone resource consumption, can avoid carbide slag to pollute again, realizes waste recycling, comprehensive utilization.
The carbide slag slurries composition solid content that the chemical plant produces is 3%～12%, when the high-sulfur coal of chemical plant boiler combustion, this concentration can not satisfy high sulfur content flue gas desulfurization needs, therefore, need concentrator that slurries are concentrated to satisfactory concentration range, regulate concentration of slurry according to amount of sulfur contenting in smoke then, the Ca/S mol ratio that assurance influences the desulfuration efficiency key factor is stable, thereby guarantees the stable of desulfuration efficiency.
Summary of the invention
The objective of the invention is to, a kind of thickener of carbide slag slurries is provided, carbide slag slurries composition solid content can be concentrated into 20%～30% by 3%～8%.
For achieving the above object, the enrichment facility of carbide slag slurries of the present invention comprises: concentration tank 1, low speed rotary filter 2, carrier pipe 3, turn over water spare 4 and agitator 5; The cylindrical cylinder in the top of described concentration tank 1, its underpart are cone; Described low speed rotary filter 2 is arranged on concentration tank 1 top, is used for filtering out the solid bulky grain of carbide slag slurry; The slurries outlet of the Sheng slurry dish of described low speed rotary filter 2 bottoms links to each other with an end of water-supply-pipe 3; The other end of described carrier pipe 3 inserts in the concentration tank 1, and this port is provided with turns over water spare 4; The described tapered structure of outer peripheral face of turning over water spare 4; Described agitator 5 is installed in the bottom cone of concentration tank 1, is used to stir concentrated slurries, prevents that the slurries caking from solidifying.Carbide slag slurries is backflowed to turning over the 4 back generations of water spare by water-supply-pipe 3 after low speed rotary filter 2 filters, and promotes that the less water of density upwards refluxes in the slurries, isolates underflow liquid and water.
The cylinder on the top of described concentration tank 1 the cone high and bottom is 4～5 at high proportion: between 1, column diameter is 4～6m, and the tapering of cone is 1.2～1.3.
The height of described concentration tank 1 is between 15m～20m.
Described carrier pipe 3 inserts concentration tank 1 apart from 2～3 meters of facies basialis pyramidis.
Described agitator 5 is installed on the cone sidewall slightly by the cone exit.
Described low speed rotary filter 2 comprises: two-layer screen cloth, and wherein, outer screen and inner screen are the conical shell structure, and its conical shell rotates around horizontally disposed turning cylinder, and velocity of rotation is 40 rev/mins～50 rev/mins; The front end face and the rear end face of the conical shell structure of described two-layer screen cloth are provided with water fender, and the area of described front end face is less than the area of rear end face; Described front end face is provided with stock inlet, and the bottom of rear end face is provided with row's mouth.Described outer screen and inner screen are 50～80 orders, and its tapering is 1.1～1.2.Carbide slag adds from stock inlet, and the slurries of the filtration of process filter screen flow into contains the slurry dish, uses as desulfurization slurry, and thick large granular impurity is discharged from row's mouth of facies basialis pyramidis.
The described water spare 4 that turns over is over against carrier pipe 3 grout outlet 1m places, and the tapering of its outer peripheral face is 2～3.
In the enrichment facility of carbide slag slurries of the present invention, concentration tank 1 main effect precipitation carbide slag slurry, rotary filter 2 is arranged on concentration tank 1 top, mainly as being that carbide slag is carried out sorting, filter solid bulky grain in the carbide slag slurry, carrier pipe 3 mainly is that the slurries after filtering are delivered in the concentration tank 1, carrier pipe 3 should insert concentration tank 1 certain depth, generally more suitable 2～3 meters of distance facies basialis pyramidises, turn over water spare 4 and mainly be arranged on over against carrier pipe 3 grout outlet 1m places, pyramidal structure, tapering is selected between 2～3, main effect produces backflows, and promotes the less water of density in the slurries to the upper reaches, isolates underflow liquid and water, agitator 5 is installed in the cone sidewall, slightly by the cone exit, main effect is to stir the slurries that concentrate, and prevents that the slurries caking from solidifying.
The invention has the advantages that: this device power consumption is little, and single device is handled the carbide slag slurries amount can reach 10～15t/h, and 1～2 equipment coupling can be satisfied the supply of desulfurization slurry fully.Concrete manifestation has:
(1) running gear is few, maintains easily, and power consumption is very little simultaneously.
(2) thickening efficiency height can be concentrated into 20%～30% with the carbide slag slurry of solid content 3%～8%, handles slurries amount 15t/h.
(3) the supernatant impurity content of Fen Liing is low, can be used as fresh water (FW) reuse acetylene generator, realizes the secondary utilization, the conserve water resource.
Description of drawings
Fig. 1 is the workflow schematic diagram of the enrichment facility of carbide slag slurries of the present invention;
Fig. 2 is the structural representation of the low speed rotary filter in the enrichment facility of carbide slag slurries of the present invention.
The accompanying drawing sign
1, thickener 2, low speed rotary filter 3, carrier pipe
4, turn over water spare 5, agitator
21, stock inlet 22, outer 80 eye mesh screens 23, internal layer 50 eye mesh screens
24, turning cylinder 25, row's mouth 26, water fender
27, contain the slurry dish
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the running of the enrichment facility of carbide slag slurries of the present invention is described.
As shown in Figure 1, concentration be 3%～8% carbide slag slurry by pipeline through low speed rotary filter 2, carbide slag is carried out sorting, usually require 90% mistake, 50 orders in the carbide slag slurry solid particle, slurries after the filtration enter thickener 1, be condensed into the carbide slag slurry of concentration 20%～30% at trench bottom, thickener bottom sidewall agitator stirs 5 and mixes and prevent the slurries caking simultaneously.Thickener 1 is isolated supernatant (about pH12) can return the utilization of acetylene generator secondary behind adjust pH (pH7～9); Carbide slag slurry after concentrating enters in the regulating tank by delivery pump, regulating tank can just be regulated carbide slag slurry concentration by the method for thin up mode or interpolation underflow liquid according to amount of sulfur contenting in smoke, adjustable range 15%～35%, regulating tank is installed agitator, guarantees that the concentration of slurries is even.
As shown in Figure 2, low speed rotary filter 2 of the present invention comprises: the stock inlet 21 on the front end face, outer screen 22, inner screen 23, turning cylinder 24, row's mouth 25 and water fender 26, in this example, outer screen 22 is 80 orders, inner screen 23 is 50 orders, and the tapering of the conical shell of two-layer screen cloth is 1.2; Carbide slag adds from stock inlet 21, and the slurries of the filtration of process filter screen 22,23 flow into contains slurry dish 27, uses as desulfurization slurry, and thick large granular impurity is discharged from row's mouth 25 of facies basialis pyramidis.
It should be noted last that above embodiment is only unrestricted in order to technical scheme of the present invention to be described.Although the present invention is had been described in detail with reference to embodiment, those of ordinary skill in the art is to be understood that, technical scheme of the present invention is made amendment or is equal to replacement, do not break away from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (8)
1. the enrichment facility of a carbide slag slurries is characterized in that, described enrichment facility comprises: concentration tank (1), low speed rotary filter (2), carrier pipe (3), turn over water spare (4) and agitator (5); The cylindrical cylinder in top of described concentration tank (1), its underpart is a cone; Described low speed rotary filter (2) is arranged on concentration tank (1) top, is used for filtering out the solid bulky grain of carbide slag slurry; The slurries outlet of the Sheng slurry dish of described low speed rotary filter (2) bottom links to each other with an end of water-supply-pipe (3); The other end of described carrier pipe (3) inserts in the concentration tank (1), and this port is provided with turns over water spare (4); The described tapered structure of outer peripheral face of turning over water spare (4); Described agitator (5) is installed in the bottom cone of concentration tank (1).
2. the enrichment facility of carbide slag slurries according to claim 1, it is characterized in that: the ratio of the cone height of the height of column on the top of described concentration tank 1 and bottom is 4～5: between 1, column diameter is 4～6m, and the tapering of cone is 1.2～1.3.
3. the enrichment facility of carbide slag slurries according to claim 1, it is characterized in that: the height of described concentration tank (1) is between 15m～20m.
4. the enrichment facility of carbide slag slurries according to claim 1 is characterized in that: described carrier pipe (3) inserts concentration tank (1) apart from 2～3 meters of facies basialis pyramidis.
5. the enrichment facility of carbide slag slurries according to claim 1 is characterized in that: described agitator (5) is installed on the cone sidewall slightly by the cone exit.
6. the enrichment facility of carbide slag slurries according to claim 1, it is characterized in that: described low speed rotary filter (2) comprising: two-layer screen cloth, wherein, outer screen (22) and inner screen (23) are the conical shell structure, its conical shell rotates around horizontally disposed turning cylinder (24), and velocity of rotation is 40 rev/mins～50 rev/mins; The front end face of the taper tube structure of described two-layer screen cloth and rear end face are provided with water fender (26), and the area of described front end face is less than the area of rear end face; Described front end face is provided with stock inlet (21), and the bottom of rear end face is provided with row mouthful (25).
7. the enrichment facility of carbide slag slurries according to claim 6, it is characterized in that: described outer screen (22) and inner screen (23) are 50～80 orders, and its tapering is 1.1～1.2.
8. the enrichment facility of carbide slag slurries according to claim 1, it is characterized in that: the described water spare (4) that turns over is over against carrier pipe (3) grout outlet 1m place, and the tapering of its outer peripheral face is 2～3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100924920A CN101804271B (en) | 2009-09-10 | 2009-09-10 | Concentration device for carbide slag slurries |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100924920A CN101804271B (en) | 2009-09-10 | 2009-09-10 | Concentration device for carbide slag slurries |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101804271A true CN101804271A (en) | 2010-08-18 |
| CN101804271B CN101804271B (en) | 2012-04-25 |
Family
ID=42606324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100924920A Active CN101804271B (en) | 2009-09-10 | 2009-09-10 | Concentration device for carbide slag slurries |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101804271B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102091525A (en) * | 2010-12-23 | 2011-06-15 | 浙江天蓝环保技术有限公司 | Device and process for preparing carbide slag desulfurization seriflux from recovered ferro-silicon |
| CN102580512A (en) * | 2011-04-21 | 2012-07-18 | 庄建中 | Liquid oxidation and solid concentration integration process |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1724314A2 (en) * | 1990-05-10 | 1992-04-07 | Дзержинский филиал Ленинградского научно-исследовательского и конструкторского института химического машиностроения | Radial thickener |
-
2009
- 2009-09-10 CN CN2009100924920A patent/CN101804271B/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102091525A (en) * | 2010-12-23 | 2011-06-15 | 浙江天蓝环保技术有限公司 | Device and process for preparing carbide slag desulfurization seriflux from recovered ferro-silicon |
| CN102091525B (en) * | 2010-12-23 | 2012-11-21 | 浙江天蓝环保技术股份有限公司 | Device and process for preparing carbide slag desulfurization seriflux from recovered ferroselenium |
| CN102580512A (en) * | 2011-04-21 | 2012-07-18 | 庄建中 | Liquid oxidation and solid concentration integration process |
| CN102580512B (en) * | 2011-04-21 | 2014-07-23 | 庄建中 | Liquid oxidation and solid concentration integration process |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101804271B (en) | 2012-04-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101797466B (en) | Wet flue gas desulphurizing method utilizing carbide slag slurry and device thereof | |
| CN101284256B (en) | Technique for decarbonizing fly ash with high ignition loss | |
| CN106630084A (en) | Method and system for treating high-fluorine high-hardness wastewater by two-stage two-phase fluidized bed through self crystallization | |
| CN105000585B (en) | In ardealite and purification process technique | |
| CN204779369U (en) | In ardealite and purification treatment system | |
| CN102631811B (en) | Device and method for separating and removing impurities of carbide slag desulfurized gypsum slurry | |
| CN101284257A (en) | Flotation pillar special for fly ash | |
| CN104761079A (en) | Flue gas desulfurization wastewater treatment process for coal-fired boiler | |
| CN101723604A (en) | Continuous preparation system for lime slurry having fixed concentration | |
| CN212068336U (en) | White mud desulfurization system | |
| CN206276230U (en) | A kind of ammonia process of desulfurization anti-block apparatus | |
| CN103011462B (en) | Device and method for treating waste residues of circulating make-up water by reutilizing lime softening method of power plant | |
| CN101804271B (en) | Concentration device for carbide slag slurries | |
| CN211255398U (en) | Leachate pretreatment system dosing device | |
| CN106315983B (en) | A kind of starch alcohol waste water processing system and method | |
| CN208869418U (en) | A kind of processing system of dual alkali scrubbing FGD process waste water near-zero release | |
| CN207175661U (en) | A kind of desulfurization wastewater treatment system | |
| CN206437966U (en) | A kind of desulfurization wastewater zero-discharge treatment system for thermal power plant | |
| CN102276035A (en) | Processing method for garbage leachate and processing apparatus thereof | |
| CN205590456U (en) | Desulfurization wastewater treatment device of low mud production volume | |
| CN105417785B (en) | A kind of reaction unit and method for handling high-concentration phosphorus-containing wastewater | |
| CN201189438Y (en) | Preparation method of flue gas desulfurization limestone slurry | |
| CN101433873B (en) | Wet-type ball mill with feed chute | |
| CN201495451U (en) | Paper-making medium wastewater processing device | |
| CN2894806Y (en) | Low-level arrangement limestone slurry preparing apparatus for flue gas desulfurizing process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: JIANGSU CAS RUISAI CONTAMINATION CONTROL ENGINEERI Free format text: FORMER OWNER: INST. OF PROCESS ENGRG., CHINESE ACADEMY OF SCIENCES Effective date: 20130814 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100190 HAIDIAN, BEIJING TO: 224000 YANCHENG, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130814 Address after: 224000, Yancheng City Yancheng environmental protection industrial park, green road, green nest building, room 701 and 703, Jiangsu Patentee after: JIANGSU ZHONGKE RUISAI POLLUTION CONTROL ENGINEERING CO., LTD. Address before: 100190 Beijing, Zhongguancun, north of No. two, No. 1, No. Patentee before: Institute of Process Engineering, Chinese Academy of Sciences |