CN101569802B - Thickener - Google Patents
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- CN101569802B CN101569802B CN2008101057196A CN200810105719A CN101569802B CN 101569802 B CN101569802 B CN 101569802B CN 2008101057196 A CN2008101057196 A CN 2008101057196A CN 200810105719 A CN200810105719 A CN 200810105719A CN 101569802 B CN101569802 B CN 101569802B
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Abstract
The invention relates to a thickener, which comprises a thickening cabinet, a feeding barrel, a harrowing device, a self-diluting device which comprises a clear liquid lifting barrel arranged in the thickening cabinet, an air supply pipe of which one end stretches into the clear liquid lifting barrel from the lower end of the clear liquid lifting barrel and an air source, wherein a clear liquid outlet of the clear liquid lifting barrel is communicated with the interior of the feeding barrel, and the horizontal height of the clear liquid outlet is higher than that of the upper liquid level of clear liquid in the thickening cabinet; and the air source is connected with the other end of the air supply pipe and is used for supplying air into the clear liquid lifting barrel through the air supply pipe so that the upper liquid level of the clear liquid in the clear liquid lifting barrel can be raised to be higher than the height of the clear liquid outlet. The self-diluting device of the thickener according to the embodiment of the invention has the advantages of compact structure, less auxiliary equipment, easy maintenance and operation, low failure rate and lower cost. Besides, parameters are easy to adjust, and the height of the upper liquid level of the clear liquid in the clear liquid lifting barrel can be changed by changing the air input so as to change the dilution quantity.
Description
Technical field
The present invention relates to a kind of thickener, especially relate to a kind of thickener that accurately to control from diluting the air mix facilities of clear liquid amount that has.
Background technology
Thickener is the equipment that is widely used for Separation of Solid and Liquid, and solid-liquid separation technique is meant solid phase and liquid phase separating from suspension, and purpose is to reclaim valuable phase or prepares for next step operation.Separation for the solid-liquid two-phase that has density contrast, can utilize the effect of acceleration field to make liquid phase restricted and solid phase can move downward therein, thereby suspension liquid is become only contain the closely knit lotion of small amount of moisture and only contain the liquid of the clarification of small amount of solid, this process is the gravitational settling process.
The concentration of solid has considerable influence to the efficient of Separation of Solid and Liquid in the suspension, generally speaking, the suspension of high concentration shows the individual particle sinking speed and reduces sharp, cause particle swarm to descend therefrom with identical substantially speed, therefore, by in the head tank that supernatant is imported again thickener with diluted suspension, can improve settling efficiency.
China patent application CN1649658A discloses a kind of method of utilizing pump supernatant to be pumped into head tank, when wherein axial-flow pump, use being installed in the thickener, actuating motor, pump with supernatant from concentrating in the feed pipe that cabinet is extracted into head tank links to each other, be injected in the head tank at last, thus the feeding liquid in the dilution head tank.
Yet such scheme has used pumping system to carry the dilution clear liquid, so structure is complicated, inconvenient maintenance.And because pump is immersed in the feed liquid, the industrial and mineral inclement condition breaks down easily, and is therefore very high to the requirement of pump, increased cost.
Summary of the invention
Purpose of the present invention is intended to solve at least one of the above-mentioned problems in the prior art.
For this reason, embodiments of the invention propose a kind of thickener with self-diluting device, and described self-diluting device is simple in structure and can accurately control the clear liquid amount that flows in the head tank.
According to the thickener of the embodiment of the invention, comprise concentrated cabinet, the bottom of described concentrated cabinet is formed with the underflow outlet; Be arranged on the head tank that concentrates upper part in cabinet; Be provided with and concentrate the raking device that the interior bottom of cabinet is used to discharge mud; Self-diluting device, described self-diluting device is arranged in the concentrated cabinet and comprises, clear liquid promotes bucket, described clear liquid promotes bucket and is arranged in the described concentrated cabinet, described clear liquid promotes the upper and lower side opening of bucket and be formed with purified liquor outlet on its sidewall, described purified liquor outlet is connected with the inside of head tank, and the level height of described purified liquor outlet is higher than the last liquid level that concentrates clear liquid in the cabinet; Air supply pipe, an end of described air supply pipe stretches in the described clear liquid lifting bucket from the lower end that described clear liquid promotes bucket; The air source, the gas outlet in described air source links to each other with the other end of described air supply pipe, be used for by air supply pipe in described clear liquid promotes bucket air supply liquid level is raised to the height that is greater than or equal to described purified liquor outlet on the clear liquid of described clear liquid in promoting barrel so that make.
Thickener according to the embodiment of the invention also has following additional technical feature:
According to the thickener of the embodiment of the invention, described self-diluting device further comprises gas distributor, and described gas distributor is arranged in the described clear liquid lifting bucket and is positioned at described clear liquid and promotes a bucket bottom.
According to the thickener of the embodiment of the invention, described self-diluting device further comprises control valve, and described control valve is arranged on and is used to regulate an air capacity that supplies in the described clear liquid lifting bucket on the described air supply pipe.
The purified liquor outlet that described clear liquid promotes bucket is connected with the inside of head tank by the head tank clear liquid inlet that forms on the head tank sidewall.
Described clear liquid promotes that bucket is welded to or bolt is connected on the sidewall of head tank and described purified liquor outlet enters the mouth with the head tank clear liquid directly is communicated with.
Described clear liquid promotes bucket and is connected on the outer wall of head tank, promotes on a part of sidewall of bucket and the described a part of sidewall that described purified liquor outlet is formed on head tank thereby a part of sidewall of head tank constitutes clear liquid.
Described clear liquid promotes bucket and is welded on the sidewall of described head tank.
Described purified liquor outlet comprises a plurality of purified liquor outlets that are formed on same level height or the differentiated levels.
Described air source comprises compressor.Be formed with the clear liquid overfall on the upper portion side wall of described concentrated cabinet.
Compared with prior art, the thickener according to the embodiment of the invention has one of following advantage at least:
Thickener according to the embodiment of the invention, self-diluting device comprises that being arranged on the clear liquid that concentrates in the cabinet promotes bucket, by in promoting bucket, supply with compressed air from the lower end, can promote clear liquid with respect to liquid level on the clear liquid that concentrates in the cabinet and promote liquid level on the interior clear liquid of bucket, thereby clear liquid flows in the head tank automatically, feeding liquid in head tank supply to concentrate before the cabinet or among feeding liquid is diluted, thereby improved settling efficiency.Self-diluting device simple in structure, and by the air capacity that control is supplied with in clear liquid promotes bucket, can accurately control and flow into the interior clear liquid amount of head tank, thereby the dilution of feeding liquid accurately controlled.
Thickener according to the embodiment of the invention, owing to concentrate feed liquid in the cabinet (comprise the clear liquid that is positioned at the upper strata, be positioned at the mixed layer below the clear liquid and be positioned at thickened pulp layer below the mixed layer) pumping system is not set, therefore air mix facilities is not easy to break down, and maintenance is also very convenient.
Thickener according to the embodiment of the invention, be provided with gas distributor owing to promote the inner lower end of bucket at clear liquid, therefore, can make air enter clear liquid equably promotes in the bucket, thereby air forms equally distributed bubble flow in clear liquid promotes bucket, and the clear liquid uniform and stable ground that makes clear liquid promote in the bucket rises.
Thickener according to the embodiment of the invention, on air supply pipe, be provided with control valve, can regulate an air capacity that supplies in the clear liquid lifting bucket, accurately control the height that clear liquid promotes liquid level on the interior clear liquid of bucket, thereby accurately control flows into the clear liquid amount in the head tank, accurately controls the dilution of the feeding liquid in the head tank thus.
Thickener according to the embodiment of the invention, head tank with respect to thickener, clear liquid promotes bucket and can make separately, and be formed with head tank clear liquid inlet on the head tank, the purified liquor outlet that then clear liquid is promoted bucket for example links to each other by pipeline with head tank clear liquid inlet, and is convenient thereby clear liquid promotes the installation and removal of bucket.Alternatively, clear liquid lifting bucket also can directly weld or bolt is connected on the sidewall of head tank, and described purified liquor outlet directly is connected with head tank clear liquid inlet, thereby saves connecting line, and structure is simpler.
Thickener according to the embodiment of the invention, clear liquid promotes bucket also can be used as a part of sidewall of head tank its a part of sidewall, promptly on cross section, clear liquid promotes bucket and does not seal, the sidewall that clear liquid promotes bucket longitudinally offers the line of rabbet joint, the side of the line of rabbet joint longitudinally welds or bolt is connected on the lateral wall of head tank, the purified liquor outlet that clear liquid promotes bucket is formed directly on the sidewall of head tank, the purified liquor outlet and the head tank clear liquid inlet that are clear liquid lifting bucket are same hole, thereby the structure of air mix facilities is simpler.
Thickener according to the embodiment of the invention, the purified liquor outlet that clear liquid promotes bucket can form a plurality of, a plurality of purified liquor outlets can be formed on the same level height, also can be formed on the different level heights, not only can increase the amount of the clear liquid that enters head tank thus, and promote the height of liquid level on the clear liquid in the bucket and accurately control clear liquid and flow in the head tank by the purified liquor outlet on the differing heights by the control clear liquid.
Aspect that the present invention adds and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Description of drawings
Above-mentioned and/or additional aspect of the present invention and advantage are from obviously and easily understanding becoming the description of embodiment below in conjunction with accompanying drawing, wherein:
Fig. 1 is the structural representation according to the thickener of first embodiment of the invention, wherein the air source not in clear liquid promotes bucket air supply (non-diluted state) and clear liquid promote on the clear liquid in the concentrated cabinet of liquid level and thickener on the clear liquid in the bucket liquid level and be in same level height and be higher than in the head tank height of liquid level on the feeding liquid, be lower than the height of the purified liquor outlet of clear liquid lifting barrel simultaneously;
Fig. 2 is the structural representation according to the thickener of first embodiment of the invention, and wherein air source air supply (diluted state) and clear liquid in clear liquid promotes bucket promotes on the clear liquid in the concentrated cabinet that liquid level on the clear liquid in the bucket is higher than thickener in liquid level, the head tank height of the purified liquor outlet of liquid level and clear liquid lifting on the feeding liquid barrel;
Fig. 3 is the structural representation according to the thickener of second embodiment of the invention, wherein the air source not in clear liquid promotes bucket air supply (non-diluted state) and clear liquid promote on the clear liquid in the concentrated cabinet of liquid level and thickener on the clear liquid in the bucket liquid level and be in same level height and be higher than in the head tank height of liquid level on the feeding liquid, be lower than the height of the purified liquor outlet of clear liquid lifting barrel simultaneously;
Fig. 4 is the structural representation according to the thickener of second embodiment of the invention, and wherein air source air supply (diluted state) and clear liquid in clear liquid promotes bucket promotes on the clear liquid in the concentrated cabinet that liquid level on the clear liquid in the bucket is higher than thickener in liquid level, the head tank height of the purified liquor outlet of liquid level and clear liquid lifting on the feeding liquid barrel;
Fig. 5 is the schematic top plan view that is connected according to self-diluting device with the thickener head tank of the thickener of first embodiment of the invention; With
Fig. 6 is the schematic top plan view that is connected according to self-diluting device with the thickener head tank of the thickener of second embodiment of the invention.
The specific embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Below by the embodiment that is described with reference to the drawings is exemplary, only is used to explain the present invention, and can not be interpreted as limitation of the present invention.
Below with reference to the thickener of accompanying drawing description according to first embodiment of the invention.Fig. 1 is the structural representation according to the thickener of first embodiment of the invention, wherein the air source not in clear liquid promotes bucket air supply and clear liquid promote on the clear liquid in the concentrated cabinet of liquid level and thickener on the clear liquid in the bucket liquid level and be in same level height and be higher than in the head tank height of liquid level on the feeding liquid, be lower than the height (non-diluted state) of the purified liquor outlet of clear liquid lifting barrel simultaneously.Fig. 2 is the structural representation according to the thickener of first embodiment of the invention, and wherein air source air supply and clear liquid in clear liquid promotes bucket promotes on the clear liquid in the concentrated cabinet that liquid level on the clear liquid in the bucket is higher than thickener in liquid level, the head tank height (diluted state) of the purified liquor outlet of liquid level and clear liquid lifting on the feeding liquid barrel.Fig. 5 is the schematic top plan view that is connected according to the head tank of the air mix facilities of the thickener of first embodiment of the invention and thickener.
As depicted in figs. 1 and 2, thickener comprises concentrated cabinet 7 and is arranged on the head tank 6 that concentrates in the cabinet 7, head tank 6 links to each other with feed pipe 8, feed pipe 8 is used for feeding liquid to be concentrated is supplied in the head tank 6, with the bottom surface that concentrates cabinet 7 be benchmark (for convenience, in the following description, when relating to level height, be benchmark all with the bottom surface that concentrates cabinet 7), the last feeding liquid liquid level height in the head tank 6 is H1.Certainly, no matter under which kind of state, the last liquid level of the feeding liquid in the head tank 6 all is lower than the height that clear liquid promotes barrel 1 purified liquor outlet 14, and this can understand easily for those of ordinary skill in the art.
Can also be formed with concentrated cabinet clear liquid overfall 72 on the upper portion side wall of concentrated cabinet 7, be used to overflow clear liquid.
In concentrated cabinet 7, feeding liquid is divided into three layers through after concentrating, and being positioned at uppermost is supernatant layer 11, and being positioned at below the supernatant layer 11 is mixed layer 10, is the thickened pulp layer 9 after concentrating below the mixed layer.The height of the liquid level of supernatant layer 11 is H2, and generally, H2 is greater than H1.
Thickener also comprises the raking device 12 that is arranged on bottoms in the concentrated cabinet 7, for example the raking device can be the rake frame, raking device 12 drives rotation by motor 13, thereby rake pushes away the mud underflow that concentrates cabinet 7 inner bottom parts, quickens concentrating of mud underflow and flowing to outlet thus.
Thickener also comprises self-diluting device, and self-diluting device is used to dilute the feeding liquid in the head tank 6, thereby the feeding liquid after the dilution improves from the thickening efficiency that head tank 6 enters after concentrating in the cabinet 7.
Describe self-diluting device below in detail according to the thickener of first embodiment of the invention.As Fig. 1, shown in 2 and 5, comprise that according to the self-diluting device of the thickener of first embodiment of the invention clear liquid promotes bucket 1, air supply pipe 3 and air source 2.
Clear liquid promotes bucket 1 and is arranged in the described concentrated cabinet 7, clear liquid promotes the upper and lower side opening of bucket 1 and be formed with purified liquor outlet 14 on its sidewall, purified liquor outlet 14 is connected with the inside of head tank 7, under the situation that does not have supply pressure air in clear liquid promotes bucket 1, the level height H3 of purified liquor outlet 14 is higher than the last liquid level H2 (being non-diluted state) that concentrates clear liquids in the cabinet 7.Because clear liquid promotes the upper and lower side opening of bucket 1, therefore under non-diluted state, the last liquid level H2 that clear liquid promotes the interior clear liquid of last liquid level H4 and concentrated cabinet 7 in the bucket 1 is identical.
Need to prove, though define the upper and lower side opening that clear liquid promotes bucket 1 here, be appreciated that, clear liquid promotes the upper end of bucket 1 and also can seal, but near the upper end of clear liquid lifting bucket 1, offer through hole, thereby can discharge from top from the air of air supply in the bottom Xiang Qi of clear liquid lifting bucket 1 and supply, in addition, clear liquid promotes the lower end of bucket 1 and also can seal, offer a plurality of openings near clear liquid promotes bucket 1 lower end the sidewall simultaneously, this can understand easily for those of ordinary skill in the art.
One end of air supply pipe 3 stretches in the clear liquid lifting bucket 1 from the lower end that clear liquid promotes bucket 1, is used for air supply in clear liquid promotes bucket 1.
As shown in Figure 2, when air source 2 is supplied with compressed air by air supply pipe 3 in clear liquid promotes bucket 1, the last liquid level H4 that compressed air makes clear liquid promote the clear liquid in the bucket 1 raises, promptly promoted the last liquid level H4 of the clear liquid in the clear liquid lifting bucket 1, the last liquid level H4 of the clear liquid in the clear liquid lifting bucket 1 just is higher than liquid level H2 on the clear liquid that concentrates in the cabinet 7 thus, that is, height H 4 no longer is in sustained height with height H 2.
Along with liquid level H4 on the clear liquid in the clear liquid lifting bucket 1 raises gradually, when H4 promotes the height H 3 of purified liquor outlet of bucket 1 more than or equal to clear liquid, clear liquid promotes bucket 1 from clear liquid and flow in the head tank 6 (being diluted state) by purified liquor outlet 11, thereby supply to by feed pipe 8 feeding liquid in the head tank 6 enter into from head tank 6 concentrate cabinet 7 before or among diluted, thus, the thickening efficiency of the feeding liquid after the dilution in concentrating cabinet 7 can improve.
The further embodiment according to the present invention, air mix facilities also comprise gas distributor 4 and control valve 5, and gas distributor 4 is arranged on clear liquid and promotes bucket 1 inner lower, and in other words, gas distributor 4 is positioned at below the purified liquor outlet 14 in clear liquid promotes bucket 1.Be formed with a plurality of through holes 41 on the gas distributor 4, air supply pipe 3 supplies to clear liquid and promotes the air of bucket 1 bottom through through hole 41 risings, the effect of gas distributor 4 is to make air evenly distribute in clear liquid promotes bucket 1, thereby the bubble flow that air is evenly distributed in clear liquid promotes bucket 1, the clear liquid in the clear liquid lifting bucket 1 can rise uniformly and stably thus.
Control valve 5 is installed on the air supply pipe 3, being used for regulated air source 2 supplies to clear liquid and promotes air capacity in the bucket 1, thereby can regulate the rate of climb and the height of liquid level on the clear liquid in the clear liquid lifting bucket 1, can control the clear liquid that flows in the head tank 6 thus more accurately, therefore control the dilution of feeding liquid more accurately.
As Fig. 1, Fig. 2 and shown in Figure 5, according to the air mix facilities of first embodiment of the invention, on the sidewall of head tank 6, be formed with head tank clear liquid import 61, the purified liquor outlet 14 that clear liquid promotes bucket 1 is connected with head tank clear liquid import 61.
More specifically, as shown in Figure 5, the clear liquid made separately promotes bucket 1 and can be affixed on the sidewall of head tank 6 by welding or bolt, and the purified liquor outlet 11 that clear liquid promotes bucket 1 and the import of head tank clear liquid 61 are concordant and directly be communicated with.
Alternatively, clear liquid promotes bucket 1 and also can be free of attachment on the sidewall of head tank 6, concentrate in the cabinet 7 but be arranged on discretely, for example be hung on the support that concentrates cabinet 7 tops, the purified liquor outlet 14 that clear liquid promotes bucket 1 for example can be connected with head tank clear liquid import 61 by pipeline.
The further embodiment according to the present invention, on the sidewall of clear liquid lifting bucket 1, can form a plurality of purified liquor outlets 14, a plurality of purified liquor outlets can be positioned on the same level height, also can be positioned on a plurality of different level heights, perhaps a part of purified liquor outlet 14 is positioned on the same level height, and another part purified liquor outlet 14 is positioned on another level height.Correspondingly, on the sidewall of head tank 6, can form one or more head tank clear liquid import 61, certainly, if only form head tank clear liquid import 61, and the purified liquor outlet 14 that clear liquid promotes on the bucket 1 is a plurality of, head tank clear liquid import 61 can be bigger than purified liquor outlet 14 so, so that the clear liquid that flows out from a plurality of purified liquor outlets 14 can flow into head tank 6 by a head tank clear liquid import, this can understand easily for those of ordinary skill in the art.
Below with reference to Fig. 3,4 and 6 describe the thickener according to second embodiment of the invention.Compare with the thickener of first embodiment, promoting bucket 1 according to the clear liquid of the air mix facilities of the thickener of second embodiment of the invention is not independent making, and as shown in Figure 6, a part of sidewall of head tank 6 has constituted the part that clear liquid promotes bucket 6.In other words, clear liquid promotes the sidewall not sealing longitudinally of bucket 1, but leave a line of rabbet joint, two sides of the line of rabbet joint longitudinally are connected on the lateral wall of head tank 6, for example two of the line of rabbet joint side welds connect or bolt is connected on the lateral wall of head tank 6, thus, a part of sidewall head tank 6, that covered by the line of rabbet joint has just constituted a part of sidewall of clear liquid lifting bucket 1.
Correspondingly, the purified liquor outlet 14 that clear liquid promotes on the bucket 1 just is formed on the sidewall of head tank 6, and in other words, purified liquor outlet 14 is same hole with head tank clear liquid import 61.
Thus, as shown in Figure 4, when air source 2 by air supply pipe 3 when clear liquid promotes the underfeed pressure air of bucket 1, compressed air makes clear liquid promote that liquid level H4 raises on the clear liquid in the bucket 1, as H4 during more than or equal to the height H 3 of clear liquid import 11, clear liquid promotes in the bucket 1 from clear liquid and flows into head tank 6 by purified liquor outlet 14, thereby the feeding liquid in head tank 6 enter concentrate before the cabinet 7 or among diluted, feeding liquid after the dilution enters from head tank 6 and concentrates cabinet 7, has increased thickening efficiency thus.
Can accurately control the air capacity that supplies in the clear liquid lifting bucket 1 by control valve 5, promote the bucket 1 interior clear liquid amount that flows in the head tank 6, accurately control the dilution of feeding liquid thus thereby accurately control from clear liquid.
Constitute with the thickener of first embodiment similarly according to other of the thickener of second embodiment of the invention, give unnecessary details no longer in detail here.
Below with reference to the operation of Fig. 1-4 description according to the thickener of the embodiment of the invention.
At first, in head tank 6, supply with feeding liquid by feed pipe 8, as shown in figs. 1 and 3, under non-diluted state, clear liquid promotes liquid level H4 on the clear liquid in the bucket 1 and equals to concentrate liquid level H3 on the clear liquid in the cabinet 7, and simultaneously, the height H 2 of purified liquor outlet 14 is higher than H4 and H3, in addition, liquid level H1 is lower than H3 and H4 on the feeding liquid in the head tank 6.
Then, when the feeding liquid in the needs dilution head tank 6, as Fig. 2 and shown in Figure 4, air source 2 is supplied with compressed air by air supply pipe 3 from following the lifting towards clear liquid that clear liquid promotes bucket 1 in the bucket 1, along with in clear liquid promotes bucket 1, supplying with compressed air, liquid level H4 raises gradually on the clear liquid in the clear liquid lifting bucket 1, thereby greater than liquid level H3 on the clear liquid that concentrates in the cabinet 7.When H4 is equal to or greater than the height of purified liquor outlet 14, clear liquid promotes bucket 1 by purified liquor outlet 14 from clear liquid and flows into head tank 6, thereby the feeding liquid in the head tank 6 enter concentrate cabinet 7 before or among diluted, feeding liquid after the dilution enters to concentrate in the cabinet 7 from head tank 6 and concentrates, because feeding liquid is diluted in head tank 6, therefore can increase the thickening efficiency of feeding liquid in concentrating cabinet 7.
Control the air capacity that supplies in the clear liquid lifting bucket 1 by control and regulation valve 5, can accurately control from clear liquid and promote barrel 1 an interior clear liquid amount that flows in the head tank 6, promptly accurately controlled the dilution of feeding liquid in head tank 6.
Certainly, when the clear liquid amount in concentrating cabinet 7 increased gradually, clear liquid can flow out by clear liquid overfall 72.
According to the thickener of the embodiment of the invention, be not provided as the power-equipment (for example pump) of air mix facilities in the supernatant layer in concentrating cabinet 7, mixed layer, the thickened pulp layer, so the air mix facilities compact conformation, auxiliary device is few, maintenance, processing ease, rate of breakdown ground, cost reduces.And parameter is regulated easily, can change liquid level on the clear liquid by the change air inflow, thereby change amount of dilution.
Although illustrated and described embodiments of the invention, for the ordinary skill in the art, be appreciated that without departing from the principles and spirit of the present invention and can carry out multiple variation, modification, replacement and modification that scope of the present invention is by claims and be equal to and limit to these embodiment.
Claims (10)
1. a thickener is characterized in that, comprising:
Concentrate cabinet, the bottom of described concentrated cabinet is formed with the underflow outlet;
Be arranged on the head tank that concentrates upper part in cabinet;
Be provided with and concentrate the raking device that the interior bottom of cabinet is used to discharge thickened pulp; And
Self-diluting device, described self-diluting device are arranged in the concentrated cabinet and comprise,
Clear liquid promotes bucket, described clear liquid promotes bucket and is arranged in the described concentrated cabinet, described clear liquid promotes the upper and lower side opening of bucket and be formed with purified liquor outlet on its sidewall, described purified liquor outlet is connected with the inside of head tank, and the level height of described purified liquor outlet is higher than the last liquid level that concentrates clear liquid in the cabinet;
Air supply pipe, an end of described air supply pipe stretches in the described clear liquid lifting bucket from the lower end that described clear liquid promotes bucket; With
The air source, the gas outlet in described air source links to each other with the other end of described air supply pipe, be used for by air supply pipe in described clear liquid promotes bucket air supply liquid level is raised to the height that is greater than or equal to described purified liquor outlet on the clear liquid of described clear liquid in promoting barrel so that make.
2. thickener according to claim 1 is characterized in that described self-diluting device further comprises gas distributor, and described gas distributor is arranged on described clear liquid and promotes in the bucket and the lower end of contiguous described clear liquid lifting bucket.
3. thickener according to claim 1 is characterized in that described self-diluting device further comprises control valve, and described control valve is arranged on and is used to regulate an air capacity that supplies in the described clear liquid lifting bucket on the described air supply pipe.
4. thickener according to claim 1 is characterized in that, the purified liquor outlet that described clear liquid promotes bucket is connected with the inside of head tank by the head tank clear liquid inlet that forms on the head tank sidewall.
5. thickener according to claim 4 is characterized in that, described clear liquid promotes that bucket is welded to or bolt is connected on the sidewall of head tank and described purified liquor outlet enters the mouth with the head tank clear liquid directly is communicated with.
6. thickener according to claim 1, it is characterized in that, described clear liquid promotes bucket and is connected on the outer wall of head tank, on a part of sidewall of a part of sidewall formation clear liquid lifting bucket of head tank and the described a part of sidewall that described purified liquor outlet is formed on head tank.
7. thickener according to claim 6 is characterized in that, described clear liquid promotes bucket and is welded on the sidewall of described head tank.
8. according to claim 1 or 7 described thickeners, it is characterized in that described purified liquor outlet comprises a plurality of purified liquor outlets that are formed on same level height or the differentiated levels.
9. according to claim 1 or 7 described thickeners, it is characterized in that described air source comprises compressor.
10. thickener according to claim 1 is characterized in that, is formed with the clear liquid overfall on the upper portion side wall of described concentrated cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101057196A CN101569802B (en) | 2008-04-30 | 2008-04-30 | Thickener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101057196A CN101569802B (en) | 2008-04-30 | 2008-04-30 | Thickener |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101569802A CN101569802A (en) | 2009-11-04 |
| CN101569802B true CN101569802B (en) | 2011-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101057196A Active CN101569802B (en) | 2008-04-30 | 2008-04-30 | Thickener |
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| CN (1) | CN101569802B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9981209B2 (en) | 2015-03-19 | 2018-05-29 | Paterson & Cooke Ideas, Ltd. | Thickener feed distributor |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102962141B (en) * | 2012-12-04 | 2015-03-25 | 玉溪大红山矿业有限公司 | Overflow defoaming method for effectively preventing loss of concentrate foam and floatation device thereof |
| EP2886177A1 (en) * | 2013-12-20 | 2015-06-24 | Rio Tinto Alcan International Limited | Settler and method for separating clarified liquid from mineral slurries |
| CN111214855A (en) * | 2019-12-06 | 2020-06-02 | 骆军辉 | Disc thickener |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9981209B2 (en) | 2015-03-19 | 2018-05-29 | Paterson & Cooke Ideas, Ltd. | Thickener feed distributor |
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| CN101569802A (en) | 2009-11-04 |
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