CN202823268U - Slurring device for white mud or acetylene sludge - Google Patents
Slurring device for white mud or acetylene sludge Download PDFInfo
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- CN202823268U CN202823268U CN 201220431755 CN201220431755U CN202823268U CN 202823268 U CN202823268 U CN 202823268U CN 201220431755 CN201220431755 CN 201220431755 CN 201220431755 U CN201220431755 U CN 201220431755U CN 202823268 U CN202823268 U CN 202823268U
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- wave cleaning
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Abstract
The utility model discloses a slurring device for white mud or acetylene sludge. The slurring device for the white mud or the acetylene sludge comprises an ultrasonic clearing machine and further comprises a settling separating tank and a homogenizer. The settling separating tank is communicated with the middle portion of the ultrasonic clearing machine through a pipeline with a pump, a feeding inlet of the homogenizer is communicated with the lower portion of the ultrasonic clearing machine, a feeding outlet of the homogenizer is communicated with the upper portion of the ultrasonic clearing machine and stirrers are both arranged inside the settling separating tank and the ultrasonic clearing machine. The slurring device for white mud or acetylene sludge disposes the white mud and the acetylene sludge, cuts and crushes large particles of the white mud and the acetylene sludge in a circular way, dissociates impurities from the large particles with ultrasound, improves specific surface area and purity of the white mud or the acetylene sludge, increases utilization rates and therefore increases desulphurization efficiency and quality of gypsum.
Description
Technical field
The utility model relates to the flue gas desulfurization technique field, is specifically related to a kind of white clay/carbide slag pulping device.
Background technology
The main component of white clay is calcium carbonate, can replace lime masonry desulfurizing agent.The main component of carbide slag is calcium hydroxide, has stronger alkalescence, also can replace lime masonry desulfurizing agent.But white clay/carbide slag all is industrial solid castoff, and not only solid particle is larger, the particle diameter skewness, and also impurity content is high.
White clay/carbide slag particle is larger, directly applies to wet desulphurization, wearing and tearing desulphurization plant, blocking pipe; Larger white clay/carbide slag specific grain surface is little, and the time that stripping needs under identical pH value is longer, affects desulfuration efficiency and gypsum qualitt; Impurity content is high, in desulfurization slurry, accumulate, solid impurity forms the black suspension thing, the soluble impurity ion enrichment, affect desulfuration efficiency and desulphurization system stability, enter dewatering system with desulfurization slurry after, the black suspension thing sticks on filter cloth, the gypsum, affect the gypsum dehydration performance, and then affect gypsum qualitt.
Therefore, having relatively high expectations to pulping process when white clay and carbide slag are used as desulfurizing agent, for example, application number be 201110442205.1 Chinese patent application disclose a kind of carbide slag the pretreated technique of white clay and device, pretreated device comprises that slurries are filled with and slurries are filled with interior agitator, also comprise homogenizer, hydrocyclone and slush pump, the charging aperture of described homogenizer is communicated with slurries filling bottom, discharging opening is filled with top with slurries and is communicated with, and the power cyclone is filled with the middle part by slush pump and slurries and is communicated with; Pretreated technique, comprise Dian Shizha white clay and water are mixed and made into Dian Shizha white clay slurries, send into and stir layering in the serum pot, slurries are filled with the Dian Shizha white clay slurries of bottom and send into circulation cutting in the homogenizer, Dian Shizha white clay slurries in the middle part of slurries are filled with are sent in the hydrocyclone and are sieved the particle of collection cut size below 35um.During this device slurrying, only have stirring action in the serum pot, limited to the impurity removal efficacy in carbide slag or the white clay, still there is partial impurities to be mixed in the sorbent particle in the slurries of preparation.
Application number is that 201010594976.8 Chinese invention patent discloses a kind of method of removing black colloid substances in papermaking white mud of flue gas desulfurization absorbent, comprise: in putting into of paper white sludge stock tank, the agitator strong stirring mixes it, the white clay slurries are delivered to vibratory sieve through slush pump, after dither screening effect, the lower part of screen is divided into into the ultrasonic wave cleaning device, through ultrasonic cavitation, black colloid substance in the white clay slurries enters wastewater treatment equipment with the rinse water overflow, the clay-slag that is deposited in the Vltrasonic device bottom enters in the size-mixing tank, and the waste liquid that enters wastewater treatment equipment recycles behind flocculation sediment.The ultrasonic cleaning equipment of this device washes out the black impurity in carbide slag or the white clay by cavitation, but can only separate by the settling character of material in the slurries in this ultrasonic cleaning equipment, the impurity separating effect is limited, and also there is the part bulky grain in the slurries, affects desulphurization plant and desulfurized effect.
Above-mentioned patent all only for a certain characteristic of white clay/carbide slag, fails to carry out overall treatment according to its characteristic, and its application has certain limitation, and is less to the raising of desulfuration efficiency and gypsum qualitt.
The utility model content
The utility model discloses a kind of white clay/carbide slag pulping device, white clay, carbide slag are processed, the circulation cutting and crushing is bulky grain wherein, impurity in the ultrasonic desorption particle, improve white clay/carbide slag specific area, purity, increase operation rate, thereby improve desulfuration efficiency and gypsum qualitt.
A kind of white clay/carbide slag pulping device, comprise supersonic wave cleaning machine, also comprise settlement separation tank and homogenizer, described settlement separation tank is communicated with the middle part of described supersonic wave cleaning machine by the pipeline with pump, the charging aperture of described homogenizer is communicated with the bottom of described supersonic wave cleaning machine, the discharging opening of described homogenizer is communicated with the top of described supersonic wave cleaning machine, is provided with agitator in described settlement separation tank and the supersonic wave cleaning machine.
White clay/carbide slag with send in the supersonic wave cleaning machine after water mixes, in supersonic wave cleaning machine, carry out ultrasonic desorption, stir the layering processing, white clay/carbide slag particle disperses through ultrasonic cavitation, hydraulic shear effect, the impurity desorption in the particle, permeate the stirring layering.Bulky grain white clay/the carbide slag slurry of supersonic wave cleaning machine bottom is sent into circulation cutting in the homogenizer, granule white clay/the carbide slag slurry at supersonic wave cleaning machine middle part is sent in the settlement separation tank, stir layering, thick white clay/carbide slag slurry enters size-mixing tank or desulfuration absorbing tower, carry the dilute slurry of a large amount of impurity and discharged from settlement separation tank top, behind micro-pore-film filtration, entered sewage disposal system.
As preferably, the middle part of described supersonic wave cleaning machine is provided with the outlet of the first slurries, be communicated with described settlement separation tank by this first slurries outlet, described the first slurries export and the Ultrasonic Cleaning motor spindle between distance be 1.0～1.5m.
As preferably, described supersonic wave cleaning machine bottom is provided with the outlet of the second slurries, be communicated with the charging aperture of described homogenizer by this second slurries outlet, described the second slurries export and the Ultrasonic Cleaning motor spindle between distance be 0～0.5m.
In supersonic wave cleaning machine, control volume power of agitator is at 30-60W/m
3, the particle major part of grain diameter more than 45 μ m is distributed in Ultrasonic Cleaning motor spindle 0-0.8m place, and therefore, the second slurries outlet that is connected with the charging aperture of homogenizer is arranged on the 0-0.5m place apart from the bottom of supersonic wave cleaning machine; The outlet of the first slurries of being communicated with settlement separation tank is arranged on apart from the locating of Ultrasonic Cleaning motor spindle 1.0-1.5m, and described bottom refers generally to the inner bottom surface of supersonic wave cleaning machine.
As preferably, described supersonic wave cleaning machine top is provided with the first slurries entrance, is communicated with the discharging opening of described homogenizer by this first slurries entrance, is provided with baffle plate near this first slurries porch in the described supersonic wave cleaning machine.
More preferably, described baffle plate vertically arranges, and the top of top and supersonic wave cleaning machine is fixed, and the bottom extends to the middle part of supersonic wave cleaning machine.The plate face of described baffle plate is over against the first slurries entrance.
Baffle plate is installed in described the first slurries porch, reduces the interference that separates stirring that pours in of entrance slurries; Described baffle plate is deep into the middle part of described supersonic wave cleaning machine, and the entrance slurries are entered in the supersonic wave cleaning machine from the middle part, reduces to enter oarse-grained ratio in the settlement separation tank, reduces simultaneously impurity separating pressure in the settlement separation tank.
As preferably, described settlement separation tank top is provided with the outlet of the 3rd slurries, and the distance between described the 3rd slurries outlet and the sedimentation separation pot bottom is 2/3～1 of settlement separation tank height.Slurries impure after separating are got rid of from the outlet of the 3rd slurries.
The solid impurity particle diameter that disperses behind the ultrasonic desorption of process is very little, and is general＜10 μ m, is suspended in the settlement separation tank upper strata, simultaneously, inevitably contains white clay/carbide slag particle in the suspension, can cause the desulfurizing agent waste after discharging with suspension.Therefore, lose in a large number in order to prevent desulfurizing agent active ingredient, more preferably, described the 3rd slurries exit is provided with microporous barrier, and pipeline outside the 3rd slurries exit connects is for the bottom slurries of getting rid of settlement separation tank, for maintenance and the replacing that makes things convenient for microporous barrier, generally microporous barrier is installed on the outer pipeline rather than is installed in the 3rd slurries exit, preferably, the pore size of described microporous barrier is 0.1～10 μ m.
As preferably, described settlement separation tank bottom is provided with the outlet of the 4th slurries, and the distance between described the 4th slurries outlet and the sedimentation separation pot bottom is 0～1/3 of settlement separation tank height.
Control stirred volume power is at 10-40W/m in settlement separation tank
3, the particle major part of grain diameter below 45 μ m is distributed in the settlement separation tank bottom, is 0～1/2 of settlement separation tank height apart from the distance from bottom of settlement separation tank.Therefore, the 3rd slurries outlets is positioned at the top of settlement separation tank, is 2/3～1 of settlement separation tank height apart from the distance from bottom of settlement separation tank; The outlet of described the four or two slurries is positioned at the bottom of settlement separation tank, is 0～1/3 of settlement separation tank height apart from the distance from bottom of settlement separation tank.
As preferably, described settlement separation tank also is furnished with wash tub pipe, when concentration of slurry is too high, opens wash tub pipe, regulates concentration of slurry in the settlement separation tank; When the impurity separating effect is not high, also can open flushing pipe, increase settlement separation tank the first slurries rate of discharge, improve removal of impurity.
The beneficial effects of the utility model:
White clay/carbide slag all is industrial solid castoff, and not only solid particle is larger, the particle diameter skewness, and also impurity content is high.The utility model adopts homogenizer to the cutting that circulates of white clay/carbide slag bulky grain, reduction white clay/carbide slag particle diameter; Utilize ultrasonic cavitation, the hydraulic shear effect of supersonic wave cleaning machine and built-in stirring blade, the impurity in desorption, the infiltration particle improves white clay/carbide slag purity.
The utility model has reduced the sorbent particle degree, and it is long-pending to have improved specific grain surface, has improved the desulfuration efficiency under the identical liquid-gas ratio, has reduced cost of investment and the operating cost of desulfurization.Simultaneously, desulfurizing agent purity improves, and the desulphurization system operation stability improves, and gypsum qualitt improves.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the supersonic wave cleaning machine structural representation of utility model;
Fig. 3 is settlement separation tank structural representation of the present utility model.
The specific embodiment
Such as Fig. 1, Fig. 2 and shown in Figure 3, a kind of white clay/carbide slag pulping device comprises supersonic wave cleaning machine 1, settlement separation tank 2 and homogenizer 4.
Supersonic wave cleaning machine 1 is nonstandard, its power: 5.4KW, frequency: 20～60KHz, high 2～the 4m of the rinse bath of supersonic wave cleaning machine 1, built-in the first agitator 5, the first agitator 5 is top-type, top (near the place, top) at supersonic wave cleaning machine 1 arranges the first slurries entrance 103, baffle plate 104 is installed at the first slurries entrance 103 places, baffle plate 104 vertically is arranged in the supersonic wave cleaning machine 1, and baffle plate 104 vertically arranges, and its plate face is over against the first slurries entrance 103, the top of baffle plate 104 is fixed on the top of supersonic wave cleaning machine 1, and the bottom extends to the middle part of supersonic wave cleaning machine 1.
The middle part of supersonic wave cleaning machine 1 arranges the first slurries outlet 101, and these the first slurries outlet 101 distances apart from the bottom are 1.0～1.5m; The bottom of supersonic wave cleaning machine 1 arranges the second slurries outlet 102, and these the second slurries outlet 102 distances apart from the bottom are 0～0.5m.
The charging aperture of homogenizer 4 is communicated with the second slurries outlet 102 by pipeline, and discharging opening is communicated with the first slurries entrance 103 by pipeline.
The first slurries outlet 101 of supersonic wave cleaning machine 1 is by the middle part of pipeline connection to settlement separation tank 2, be provided with slush pump 3 at the pipeline that is communicated with supersonic wave cleaning machine 1 and settlement separation tank 2, the arrival end of slush pump 3 links to each other with supersonic wave cleaning machine 1, and the port of export links to each other with settlement separation tank 2.
The middle part of settlement separation tank is provided with the second slurries entrance 204, and this second slurries entrance 204 is communicated with by the port of export of pipeline with slush pump 3.Also is furnished with wash tub pipe D in the settlement separation tank 2.
In the present embodiment, it is FDM1/280 that homogenizer 4 is selected model, its power: 2.7KW, rotating speed: 2900rpm.
It is as follows to use the utility model device to carry out the technological process of slurrying:
Slurries A from the change stock tank is that solid content is white clay/carbide slag slurry of 10-15%, enters in the supersonic wave cleaning machine 1, opens supersonic wave cleaning machine 1, opens the first agitator 5.Supersonic wave cleaning machine 1 power 5.4KW, frequency 20～60KHz, under ultrasonic cavitation, hydraulic shear effect, the impurity on white clay/carbide slag particle is disperseed and is permeated, and desorption suspends.Be 30-60W/m at stirred volume power
3Condition under stir layering, the particle of particle diameter more than 45 μ m is suspended in the bottom 0-0.8m scope of supersonic wave cleaning machine 1 owing to Action of Gravity Field, homogenizer 4 sucks bottom bulky grain slurries, send again supersonic wave cleaning machine 1 back to after the cutting refinement, secondary clearing again under the effect of the first agitator 5 carries out 3-8 time so repeatedly.
The particle that 45 μ m are following and impurity are opened the second agitator 6 in the settlement separation tank 2 in slush pump 3 enters settlement separation tank 2, the stirred volume power of controlling the second agitator 6 is 10-40W/m
3, the white clay below the 45 μ m/carbide slag particle is enriched in settlement separation tank 2 bottoms, discharges by the 4th slurries outlet 202, and the slurries C particle of discharge is tiny, and purity improves; The atraments such as impurity are suspended in the slurries of upper strata, discharge from the 3rd slurries outlet 201, the 3rd slurries export 201 outer pipelines and are provided with microporous barrier, the aperture is at 0.1～10 μ m, the white clay that particle diameter is larger from the slurries that the 3rd slurries outlet 201 is discharged/carbide slag particle is blocked, the impurity that particle diameter is tiny passes from microporous barrier 203, discharges waste water B.
Also be furnished with wash tub pipe D in the settlement separation tank 2, when concentration of slurry is too high, open wash tub pipe D, regulate settlement separation tank 2 interior concentration of slurry; When the impurity separating effect is not high, also can open wash tub pipe D, increase the 3rd slurries and export 201 flows, improve removal of impurity.
Embodiment 1:
Certain paper mill, 1 170t/h coal-burning boiler white clay-gypsum wet flue gas desulfurizing project adopts pulping device of the present invention and technique, Ultrasonic Cleaning acc power 5.4KW, frequency 40KHz, built-in agitator summation watt rating is 50W/m
3, homogenizer power 2.7KW, rotating speed 2900rpm, the built-in agitator summation watt rating of settlement separation tank is 20W/m
3, microporous barrier aperture 10 μ m, the purity of former white clay is 89%, the circulation cutting in homogenizer 6 times.
After the present invention processed, the purity of white clay was greater than 94% among the slurries C that the outlet of settlement separation tank the second slurries is discharged, and particle diameter is less than 45 μ m.Make desulfurization absorbent with these pulping process terminal slurries, the control slurry pH value is 5.2, liquid-gas ratio 6L/m
3, desulfuration efficiency is greater than 95%.
2 75t/h coal-burning boilers of certain chemical enterprise self-contained thermoelectric plant, carbide slag-gypsum wet flue gas desulfurizing project adopts pulping device of the present invention and technique, Ultrasonic Cleaning acc power 5.4KW, frequency 40KHz, built-in agitator summation watt rating is 40W/m
3, homogenizer power 2.7KW, rotating speed 2900rpm, the built-in agitator summation watt rating of settlement separation tank is 30W/m
3, microporous barrier aperture 8 μ m, the purity of former carbide slag is 80%, the circulation cutting in homogenizer 4 times.
After the present invention processed, the purity of white clay was greater than 90% among the slurries C that the outlet of settlement separation tank the second slurries is discharged, and particle diameter is less than 45 μ m.Make desulfurization absorbent with these pulping process terminal slurries, the control slurry pH value is 5.2, liquid-gas ratio 6L/m
3, desulfuration efficiency is greater than 95%.
Claims (8)
1. white clay/carbide slag pulping device, comprise supersonic wave cleaning machine (1), it is characterized in that, also comprise settlement separation tank (2) and homogenizer (4), described settlement separation tank (2) is communicated with the middle part of described supersonic wave cleaning machine (1) by the pipeline with pump, the charging aperture of described homogenizer (4) is communicated with the bottom of described supersonic wave cleaning machine (1), the discharging opening of described homogenizer (4) is communicated with the top of described supersonic wave cleaning machine (1), is provided with agitator in described settlement separation tank (4) and the supersonic wave cleaning machine (1).
2. white clay according to claim 1/carbide slag pulping device, it is characterized in that, the middle part of described supersonic wave cleaning machine (1) is provided with the first slurries outlets (101), be communicated with described settlement separation tank (2) by these the first slurries outlets (101), the distance between described the first slurries outlets (101) and supersonic wave cleaning machine (1) bottom is 1.0～1.5m.
3. white clay according to claim 2/carbide slag pulping device, it is characterized in that, described supersonic wave cleaning machine (1) bottom is provided with the second slurries outlets (102), be communicated with the charging aperture of described homogenizer (4) by these the second slurries outlets (102), the distance between described the second slurries outlets (102) and supersonic wave cleaning machine (1) bottom is 0～0.5m.
4. white clay according to claim 3/carbide slag pulping device, it is characterized in that, described supersonic wave cleaning machine (1) top is provided with the first slurries entrance (103), be communicated with the discharging opening of described homogenizer (4) by this first slurries entrance (103), locate to be provided with baffle plate (104) near this first slurries entrance (103) in the described supersonic wave cleaning machine (1).
5. white clay according to claim 4/carbide slag pulping device is characterized in that, described baffle plate (104) vertically arranges, and the top of top and supersonic wave cleaning machine (1) is fixed, and the bottom extends to the middle part of supersonic wave cleaning machine (1).
6. white clay according to claim 5/carbide slag pulping device, it is characterized in that, described settlement separation tank (2) top is provided with the 3rd slurries outlets (201), and the distance between described the 3rd slurries outlets (201) and settlement separation tank (2) bottom is 2/3～1 of settlement separation tank (2) height.
7. white clay according to claim 6/carbide slag pulping device is characterized in that, described the 3rd slurries outlets (201) locate to be provided with microporous barrier (203).
8. white clay according to claim 7/carbide slag pulping device, it is characterized in that, described settlement separation tank (2) bottom is provided with the 4th slurries outlets (202), and the distance between described the 4th slurries outlets (202) and settlement separation tank (2) bottom is 0～1/3 of settlement separation tank (2) height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220431755 CN202823268U (en) | 2012-08-29 | 2012-08-29 | Slurring device for white mud or acetylene sludge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220431755 CN202823268U (en) | 2012-08-29 | 2012-08-29 | Slurring device for white mud or acetylene sludge |
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| Publication Number | Publication Date |
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| CN202823268U true CN202823268U (en) | 2013-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220431755 Expired - Lifetime CN202823268U (en) | 2012-08-29 | 2012-08-29 | Slurring device for white mud or acetylene sludge |
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| CN (1) | CN202823268U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102814138A (en) * | 2012-08-29 | 2012-12-12 | 杭州天蓝环保工程设计有限公司 | White mud/acetylene sludge slurry preparing device and process |
| CN103638798A (en) * | 2013-11-27 | 2014-03-19 | 福建博纯材料有限公司 | Novel treating device for germane waste gas |
| CN104107832A (en) * | 2014-07-04 | 2014-10-22 | 鹿寨县科凯贸易有限公司 | Treatment method of white mud industrial waste of pulp mill |
-
2012
- 2012-08-29 CN CN 201220431755 patent/CN202823268U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102814138A (en) * | 2012-08-29 | 2012-12-12 | 杭州天蓝环保工程设计有限公司 | White mud/acetylene sludge slurry preparing device and process |
| CN102814138B (en) * | 2012-08-29 | 2014-10-22 | 杭州天蓝环保工程设计有限公司 | White mud/acetylene sludge slurry preparing device and process |
| CN103638798A (en) * | 2013-11-27 | 2014-03-19 | 福建博纯材料有限公司 | Novel treating device for germane waste gas |
| CN104107832A (en) * | 2014-07-04 | 2014-10-22 | 鹿寨县科凯贸易有限公司 | Treatment method of white mud industrial waste of pulp mill |
| CN104107832B (en) * | 2014-07-04 | 2016-09-07 | 鹿寨县科凯贸易有限公司 | A kind of processing method of pulp mill white clay industrial residue |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Hangzhou City, Zhejiang province Binjiang District 311202 shore road 1197 Building 2 room 406 Patentee after: ZHEJIANG TIANLAN ENVIRONMENTAL PROTECTION ENGINEERING CO.,LTD. Address before: Hangzhou City, Zhejiang province Binjiang District 311202 shore road 1197 Building 2 room 406 Patentee before: Hangzhou Sky Environmental Protection Engineering Co.,Ltd. Address after: Hangzhou City, Zhejiang province Binjiang District 311202 shore road 1197 Building 2 room 406 Patentee after: Hangzhou Sky Environmental Protection Engineering Co.,Ltd. Address before: Hangzhou City, Zhejiang province Binjiang District 311202 shore road 1197 Building 2 room 406 Patentee before: HANGZHOU TIANLAN ENVIRONMENTAL PROTECTION ENGINEERING DESIGN Co.,Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20130327 |
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| CX01 | Expiry of patent term |