CN201250163Y - Circulating squeeze dewatering device - Google Patents
Circulating squeeze dewatering device Download PDFInfo
- Publication number
- CN201250163Y CN201250163Y CNU2008200868796U CN200820086879U CN201250163Y CN 201250163 Y CN201250163 Y CN 201250163Y CN U2008200868796 U CNU2008200868796 U CN U2008200868796U CN 200820086879 U CN200820086879 U CN 200820086879U CN 201250163 Y CN201250163 Y CN 201250163Y
- Authority
- CN
- China
- Prior art keywords
- dewatering
- press dewatering
- discharging
- band
- transition band
- 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.)
- Expired - Fee Related
Links
- 238000007599 discharging Methods 0.000 claims abstract description 29
- 230000007704 transition Effects 0.000 claims description 66
- 239000000463 material Substances 0.000 abstract description 44
- 238000000034 method Methods 0.000 abstract description 4
- 239000010802 sludge Substances 0.000 abstract description 3
- 238000001914 filtration Methods 0.000 abstract 8
- 238000000605 extraction Methods 0.000 abstract 1
- 230000018044 dehydration Effects 0.000 description 10
- 238000006297 dehydration reaction Methods 0.000 description 10
- 230000004087 circulation Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- Filtration Of Liquid (AREA)
Abstract
The utility model discloses a circulating squeeze dewatering device which is applicable to treating rarefied sludge through dewatering. The circulating squeeze dewatering device comprises a machine frame, a squeeze dewatering zone, an actuating device, a feeding device and a discharging device, wherein the squeeze dewatering zone comprises an extraction roll, a filtering belt and a filtering belt auxiliary device, and the discharging device comprises a discharging scraper. The structure is characterized in that the discharging scraper of the discharging device, which is installed besides an upper filtering belt on a discharging position of the squeeze dewatering zone, is the discharging scraper with a tooth-shaped gap, and the gap surface of the discharging scraper is contacted with the upper filtering belt. The circulating squeeze dewatering device has rational structure, when the upper filtering belt is driven to be rotated to the discharging position by the actuating device, the discharging scraper with a tooth-shaped gap is used to scrape a dewatering material part on the upper filtering belt, a concave and convex material layer left on the surface of the upper filtering belt enters next round to be squeezed and dewatered along the upper filtering belt in a circulating mode, circulating squeeze dewatering of materials can adjust the percentage moisture content of rarefied materials, the dewatering environment is improved, running sludge in the squeeze dewatering process is effectively reduced, and the material dewatering dryness and yield are improved.
Description
Technical field
The utility model relates to a kind of solid-liquid separating equipment, particularly a kind of circular press dewatering equipment that is applicable to the thin class mud of processed.
Background technology
Prior art press dewatering equipment comprises frame, press dewatering district, drive unit, feeding unit and dumping device, and the press dewatering district comprises squeeze roll, transition band and transition band supplementary unit, and dumping device comprises unloader knife.Chinese patent application 200720109283.9 " a kind of solid-liquid separating equipment " disclose a kind of employing independently transition band carry out the above squeezing of two-stage or the two-stage pressure equipment of continuous band press dewatering from low to high.Adopt classification press dewatering equipment, the solid-liquid separation efficiency height, the solid content of final dewatering material can be brought up to more than 40%, reaches the semicure level.Yet, this solid-liquid separating equipment is to adopt the high-pressure compressing dehydration equipment, when being used to handle the thin material of moisture content height, quality, material is serious to the race mud phenomenon on transition band both sides, make the inventory that enters the press dewatering district reduce, cause processed output to descend, influence the production efficiency of dehydration equipment.The thin more race mud of material phenomenon is serious more.
Summary of the invention
Technical problem to be solved in the utility model is, overcome the defective that prior art exists, provide a kind of rational in infrastructure, can change material moisture, improve the material dewatering environment, effectively reduce the circular press dewatering equipment that runs mud, improves material dewatering mass dryness fraction and output.
The technical scheme in the invention for solving the above technical problem is: this circular press dewatering equipment, comprise frame, press dewatering district, drive unit, feeding unit and dumping device, the press dewatering district comprises squeeze roll, transition band and transition band supplementary unit, dumping device comprises unloader knife, its constructional feature is: the other unloader knife of last transition band that described dumping device is contained in press dewatering district's discharging place is the unloader knife of band dentation breach, and the breach face of this unloader knife contacts with last transition band.When being driven by drive unit, last transition band forwards discharging place to, the dehydrated material that the unloader knife of band dentation breach will be gone up on the transition band partly scrapes, stay the concavo-convex material bed of transition band surface and enter the next round press dewatering with last transition band circulation, the circular press dewatering of material can be regulated the water ratio of thin material, improve the dehydration environment, can effectively reduce the race mud in the press dewatering process.
The described press dewatering of the utility model circular press dewatering equipment district is the subregion pressed zone, include the pressed zone that two or more adopt independent transition band, facing to the discharge end of front pressed zone, the unloader knife of the other dress of last transition band of each pressed zone discharging place is the unloader knife of band dentation breach to the opening for feed of follow-up pressed zone respectively.The subregion press dewatering is beneficial to the raising squeeze pressure, improves the solid content of dehydrated material.
The dentation breach of the unloader knife of the described band dentation of the utility model circular press dewatering equipment breach is square or trapezoidal or trilateral.Change the concavo-convex material bed convex shape of staying the transition band surface thus, handle with the material dewatering that adapts to different qualities.
The equidistant arrangement of dentation breach of the unloader knife of the described band dentation of the utility model circular press dewatering equipment breach.
Distance does not wait between the dentation breach of the unloader knife of the described band dentation of the utility model circular press dewatering equipment breach.
The utility model compared with prior art has the following advantages: the utility model circular press dewatering device structure is reasonable, the unloader knife of the other mounting strap dentation of transition band breach in press dewatering district's discharging place, make the transition band surface keep concavo-convex material bed of one deck all the time, the material bed circular press dewatering that this is concavo-convex, can play three effects, the one,, similar the applicant is provided with the effect of boss or groove on squeeze roll roll body surface in Chinese patent application 200810059637.2 " a kind of belt filter-press dehydration technique and equipment ", prevent dehydrated material dehydration during pressurized to the mud that goes back and forth between two places; The 2nd,, the concavo-convex material bed moisture that can absorb wet stock that this mass dryness fraction is higher reduces the higher water ratio of thin material, is beneficial to the material mass dryness fraction that improves after the dehydration discharging; The 3rd,, what keep on the last transition band is material bed by the filter-press dehydration that circulates repeatedly, bossing material mass dryness fraction height, hardness are also high, when press dewatering, squeeze roll are played a supporting role, improve the material dewatering environment, make things convenient for wet stock to enter the press dewatering district smoothly, improve dehydration discharging output.
Description of drawings
Fig. 1 is the utility model circular press dewatering apparatus embodiments press dewatering plot structure synoptic diagram.
Fig. 2 is the unloader knife dentation breach structural representation of embodiment band dentation breach.
Fig. 3 is the concavo-convex material bed synoptic diagram that transition band keeps on the embodiment.
Embodiment
Below by embodiment, in conjunction with the accompanying drawings the utility model is further elaborated.
Embodiment:
This circular press dewatering equipment is a kind of belt press dewatering equipment, and it comprises frame, press dewatering district, drive unit, feeding unit and dumping device.The press dewatering district comprises squeeze roll, transition band and transition band supplementary unit, and the transition band supplementary unit has transition band swelling device, transition band deviation correcting device and transition band cleaning device; Dumping device comprises unloader knife, unloader knife is provided with two, by the upper and lower transition band after the upper and lower transition band that two unloader knives are contained in press dewatering district's discharging place respectively separates, be contained in the unloader knife of the other unloader knife of transition band for band dentation breach, the breach face of this unloader knife contacts with last transition band.When the upper and lower transition band that wraps dehydrated material is driven discharging place that forwards the press dewatering district to by drive unit, the dehydrated material that the unloader knife of band dentation breach will be gone up under the transition band partly scrapes, stay the concavo-convex material bed of transition band surface and enter the next round press dewatering with last transition band circulation, the circular press dewatering of material can be regulated the water ratio of thin material, improve the dehydration environment, effectively reduce the race mud in the press dewatering process.
Referring to Fig. 1, the press dewatering district of present embodiment adopts low pressure pressed zone and two pressed zone in high-pressure compressing district, also can adopt the pressed zone of independent transition band more than two, facing to the discharge end of front pressed zone, the unloader knife of the other dress of last transition band of each pressed zone discharging place is the unloader knife of band dentation breach to the opening for feed of follow-up pressed zone respectively.As shown in Figure 1, the discharging of low pressure pressed zone is facing to the charging in high-pressure compressing district, the discharging place 1# live roll 2 of low pressure pressed zone and 1# carrying roller 3 other 12# unloader knife 12 and the 11# unloader knives 4 adorned respectively, 11# unloader knife 4 is the unloader knife of band dentation breach as shown in Figure 2, the breach face of 11# unloader knife 4 is gone up transition band 1 with 1# and is contacted, and the edge of a knife face of 12# unloader knife 12 contacts with transition band 14 under the 1#; The 2# live roll 9 of the discharging place b in high-pressure compressing district and 2# carrying roller 9 other 22# unloader knife 8 and the 21# unloader knives 7 adorned respectively, 21# unloader knife 7 is the unloader knife of band dentation breach as shown in Figure 2, the breach face of 21# unloader knife 7 is gone up transition band 5 with 2# and is contacted, and the edge of a knife face of 22# unloader knife 8 contacts with transition band 11 under the 2#.The material that present embodiment is handled is a domestic sludge, after entering from opening for feed a, mud by 12# unloader knife 12 mud on the transition band under the 1# 14 is all scraped under the 2# of high-pressure compressing on the transition band 11 through low pressure squeezing back, mud under the last transition band 1 of 1# is scraped by 11# unloader knife 4 parts under the 2# of high-pressure compressing on the transition band 11, as shown in Figure 3 concavo-convex material bed that stays on the last transition band 1 of 1# carries out the low pressure press dewatering once more along with 1# goes up transition band 1 circulation.Equally, mud under the 2# of high-pressure compressing discharging place on the transition band 11 is all scraped discharging by 22# unloader knife 8, mud under the last transition band 5 of 2# is scraped discharging by 21# unloader knife 7 parts, as shown in Figure 3 concavo-convex material bed that stays on the last transition band 5 of 2# is along with 2# goes up the dehydration of transition band 5 circulations carrying out once more high-pressure compressing.Stay last transition band 1 of 1# and 2# and go up the concavo-convex material bed of transition band 5 surfaces, can regulate the material water ratio that enters squeezings at different levels, improve the material dewatering environment, play a part to prevent to run mud, improve press dewatering effect and output.Among Fig. 1,13 is the low pressure squeeze roll, and 10 is the high-pressure compressing roller; Among Fig. 2,15 is unloader knife dentation breach; Among Fig. 3,16 is concavo-convex material bed.
The dentation breach of the unloader knife of the utility model band dentation breach is selected according to the characteristic of material handling, can be square or trapezoidal or trilateral, after making the unloader knife discharging by band dentation breach, the concavo-convex material bed projection of staying the transition band surface should be square or trapezoidal or trilateral mutually.Present embodiment 11# unloader knife 4 and 21# unloader knife 7 are all selected square as shown in Figure 2 breach.The projection that stays according to needs on the last transition band requires the dentation breach of the unloader knife of design band dentation breach to arrange, it can be equidistant arrangement, it also can be not equidistant arrangement, like this after the unloader knife discharging by band dentation breach, staying the concavo-convex material bed protruding corresponding of transition band surface is equidistant or not equidistant arrangement.Present embodiment 11# unloader knife 4 and 21# unloader knife 7 all adopt equidistant arrangement design as shown in Figure 2.The width of unloader knife and transition band width are complementary.
Frame described in the utility model, press dewatering district, drive unit, feeding unit and dumping device, transition band supplementary units such as squeeze roll, transition band and transition band swelling device, transition band deviation correcting device, transition band cleaning device; And other structure of unloader knife all adopts industry known technology with using to install.
Claims (5)
1, a kind of circular press dewatering equipment, comprise frame, press dewatering district, drive unit, feeding unit and dumping device, the press dewatering district comprises squeeze roll, transition band and transition band supplementary unit, dumping device comprises unloader knife, it is characterized in that: the other unloader knife of last transition band that described dumping device is contained in press dewatering district's discharging place is the unloader knife of band dentation breach, and the breach face of this unloader knife contacts with last transition band.
2, circular press dewatering equipment according to claim 1, it is characterized in that: described press dewatering district is the subregion pressed zone, include the pressed zone that two or more adopt independent transition band, facing to the discharge end of front pressed zone, the unloader knife of the other dress of last transition band of each pressed zone discharging place is the unloader knife of band dentation breach to the opening for feed of follow-up pressed zone respectively.
3, circular press dewatering equipment according to claim 1 and 2 is characterized in that: the dentation breach of the unloader knife of described band dentation breach is square or trapezoidal or trilateral.
4, circular press dewatering equipment according to claim 3 is characterized in that: the equidistant arrangement of dentation breach of the unloader knife of described band dentation breach.
5, circular press dewatering equipment according to claim 3 is characterized in that: distance does not wait between the dentation breach of the unloader knife of described band dentation breach.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200868796U CN201250163Y (en) | 2008-05-21 | 2008-05-21 | Circulating squeeze dewatering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200868796U CN201250163Y (en) | 2008-05-21 | 2008-05-21 | Circulating squeeze dewatering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201250163Y true CN201250163Y (en) | 2009-06-03 |
Family
ID=40745835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200868796U Expired - Fee Related CN201250163Y (en) | 2008-05-21 | 2008-05-21 | Circulating squeeze dewatering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201250163Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109020143A (en) * | 2018-08-29 | 2018-12-18 | 北京科技大学 | A kind of integrated apparatus of the continuous deep dehydration processing of feces of livestock and poultry two-stage |
| CN111718096A (en) * | 2019-03-18 | 2020-09-29 | 天津嘉中科技发展有限公司 | Sludge reduction and concentration equipment |
-
2008
- 2008-05-21 CN CNU2008200868796U patent/CN201250163Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109020143A (en) * | 2018-08-29 | 2018-12-18 | 北京科技大学 | A kind of integrated apparatus of the continuous deep dehydration processing of feces of livestock and poultry two-stage |
| CN111718096A (en) * | 2019-03-18 | 2020-09-29 | 天津嘉中科技发展有限公司 | Sludge reduction and concentration equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHEJIANG HUAZHANG TECHNOLOGY CO., LTD. Free format text: FORMER NAME: HUAZHANG ELECTRIC (TONGXIANG) CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 314500 Zhenhua Road, second industrial zone, Tongxiang Economic Development Zone, Zhejiang, Tongxiang 1068, China Patentee after: Zhejiang Huazhang Technology Co., Ltd. Address before: 314500 Zhenhua Road, second industrial zone, Tongxiang Economic Development Zone, Zhejiang, Tongxiang 1068, China Patentee before: Huazhang Electric (Tongxiang) Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090603 Termination date: 20170521 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |