CN201756494U - Dewatering device - Google Patents
Dewatering device Download PDFInfo
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- CN201756494U CN201756494U CN201020235693XU CN201020235693U CN201756494U CN 201756494 U CN201756494 U CN 201756494U CN 201020235693X U CN201020235693X U CN 201020235693XU CN 201020235693 U CN201020235693 U CN 201020235693U CN 201756494 U CN201756494 U CN 201756494U
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Abstract
The utility model provides a dewatering device, which comprises one or more groups of coiled coil bodies. Each coiled coil body particularly comprises fixed ring laminations, a spiral shaft, a power component, a material conveying port and a solid discharge port, wherein the spiral shaft penetrates through the middles of the fixed ring laminations, the power component is connected with one end of the spiral shaft, the other end of the spiral shaft is fixed to a shell of the coiled coil body, the material conveying port is arranged at the front end of the coiled coil body, and the solid discharge port is disposed at the tail end of the coiled coil body. Filtrate flows out from gaps among the laminations during the process that the spiral shafts of the extrusion dewatering device drive solid and liquid mixtures from the front end to the tail end, and therefore, the dewatering device adopts a low-speed mechanical squeezing mode, does not need filter cloth and spray orifices, realizes dewatering without difference between gravity and centrifugal force, and can avoid problems that solid and liquid cannot be separated, the filter cloth and filter holes are blocked and the like.
Description
Technical field
The utility model relates to technical field of sewage, particularly relates to a kind of dewatering unit that carries out solid-liquid separation.
Background technology
For realizing the environmental goals of energy-saving and emission-reduction, need carry out harmless treatment to the trade effluent that produces in the daily production of people, the life, sanitary sewage etc., with the type of production enterprise that carries out corn deep processing specially is example, need carry out advanced treatment to its pollutent that discharges in process of production, the pollutent of the sewage that this class enterprise produces is based on organism, wherein the corn organic fibre accounts for main component, need carry out dewatered drying to these fibers and handle.Existing sewage disposal device mainly contains three kinds: plate and frame(type)filter press, belt filter pressing dehydrator and centrifuge.
Plate and frame(type)filter press is the extruding by sheet frame, makes the water in the mud reach the dehydration purpose by the filter cloth discharge, and it is very low that the moisture percentage in sewage sludge after the dehydration can reach, and obtained widespread use since the 1980s.The subject matter of this class water extracter has: the one, and floor space is bigger, with sewage load be 220,000 tons/day, to produce amount of dry matter be that certain sewage work of 275 tons/day is an example, need six platen paper blotter presses to work simultaneously, and the basic floor space of every pressure filter all reach 2400 * 12000 millimeters; The 2nd, because plate and frame(type)filter press is discontinuous operation, efficient is low, the vibration of the moving of wherein press filtration, filter plate, filter cloth, compressed-air actuatedly provide, operations such as filter cloth washing, charging all need manually to finish, manpower labour intensity is big; The 3rd, filter cloth easily stops up, and operates cumbersome; The 4th, the operation room environment is relatively poor, and the secondary pollution that the organic sewage fermentation produces is also bigger to the injury of human body.
The belt water extracter is to carry sludge blanket secretly by the strainer of two tensionings up and down, S-shaped crooked process from a succession of rolling tube by the rule arrangement, form squeeze force and shearing force by the tension force of strainer itself to sludge blanket, capillary water in the sludge blanket is pushed out, obtain the higher mud cake of solid content, thereby realize the sludge dewatering purpose, so characteristics such as the belt water extracter has that the mud extraction water ratio is lower and stable, less energy consumption, management control are uncomplicated.But also there is the problem of following several aspects in the belt water extracter: the one, though the belt water extracter is littler than plate and frame(type)filter press, its floor space is still bigger; The 2nd, strainer wash-down water consumption is big, and general water consumption is every meter strainer, water consumption 27m per hour
3The 3rd, filter cloth easily stops up, and operates cumbersome; The 4th, the mud cake water content height after the dehydration can reach more than 90%, is difficult to satisfy requirement of client.
Mainly by reprinting and be with the spiral conveyer of hollow rotating shaft to form, after mud was sent into rotating cylinder by hollow rotating shaft, under the centrifugal action that high speed rotating produces, be dumped into immediately changeed in the hub chamber centrifuge.Mud granule proportion is bigger, thereby the centrifugal force that produces is also bigger, is got rid of to be attached to and changes on the hub inwall, forms solid layer; Water-mass density is little, and centrifugal force is also little, only at the inboard liquid level that produces of solid layer.The mud of solid layer is transported to the awl end of reprinting under the slow promotion of spiral conveyer, the outlet around reprinting is discharged continuously, and liquid is then drained into outside the reprinting by the weir stream that overflows, and compiles the back and discharges water extracter.But the problem that centrifuge exists comprises: the one, and processing power is low, and one-time investment is bigger; The 2nd, noise in operating is big, has worsened Working environment; The 3rd, the energy consumption height, general current consumption is 10 kilowatts of every cubic metre of mud power consumptions.
The utility model content
Technical problem to be solved in the utility model provides a kind of squeezing dehydration device that carries out solid-liquid separation, can solve that existing dewatering unit floor space is big, filter cloth needs to clean, problems such as energy consumption height and work under bad environment.
In order to address the above problem, the utility model discloses a kind of squeezing dehydration device, comprise one or more groups folded spiral shell main body, described folded spiral shell main body specifically comprises set collar lamination, screw shaft, power part, mass transport mouth and solid relief outlet, wherein, described screw shaft is connected with an end of screw shaft through middle, the described power part of set collar lamination, the other end of described screw shaft is fixed on the shell of described folded spiral shell main body, described mass transport mouth is arranged at the front end of folded spiral shell main body, and described solid relief outlet is arranged at the end of folded spiral shell main body.
Preferably, described folded spiral shell main body also includes the ring lamination that moves about, described move about ring lamination and the staggered stack of set collar lamination.
Preferably, the filter seam that forms between the lamination of the described set collar lamination and the ring that moves about diminishes to end gradually from the front end of described folded spiral shell main body.
Preferably, the pitch of described screw shaft diminishes to end gradually from the front end of described folded spiral shell main body.
Preferably, described folded spiral shell main body also comprises two or more back pressure plates, described back pressure plate is divided into the portion of concentrating and dehydration portion with the cavity of set collar lamination, move about ring lamination and screw shaft formation, described concentrated portion is positioned at the leading portion part of described folded spiral shell main body, and described dehydration portion is positioned at the back segment part of described folded spiral shell main body.
Preferably, described set collar lamination is serially connected by encircling union lever surely, is fixed on the folded spiral shell main body.
Preferably, described dewatering unit also comprises folded spiral shell main body base, and described folded spiral shell main body is positioned at the top of folded spiral shell main body base; Described folded spiral shell main body base is provided with the filtrate collection parts and is positioned at the filtrate relief outlet of filtrate collection parts below.
Preferably, described dewatering unit also comprises solidliquid mixture supply unit, scale tank, flocculation tempering tank, flocculation agent filling unit and control unit, wherein: described solidliquid mixture supply unit, scale tank, flocculation tempering tank, folded spiral shell main body, folded spiral shell main body base are pressed process sequence successively and are connected, and described flocculation agent filling unit is connected with the flocculation tempering tank; Described solidliquid mixture supply unit, scale tank, flocculation tempering tank, flocculation agent filling unit, folded spiral shell main body are connected with described control unit respectively.
Preferably, described scale tank is provided with fluid level controller and scale tank refluxing opening, and described scale tank refluxing opening is connected to storage pool by liquid delivery tube.
Preferably, described flocculation steel basin is provided with stirrer.
Preferably, described folded spiral shell main body and flocculation tempering tank also are provided with the backwash interface tube, and link to each other with running water system or grey water system by the backwash pipe; Described flocculation steel basin below also is provided with sewage draining exit, and is connected with storage pool by liquid delivery tube.
Preferably, described power part is a motor.
Compared with prior art, the utlity model has following advantage:
The folded spiral shell main body of the utility model squeezing dehydration device includes the set collar lamination and through wherein screw shaft, screw shaft is in driving the process of solidliquid mixture from the front end to the end, filtrate is flowed out the slit between lamination, therefore, what the utility model dewatering unit adopted is a kind of mode of low-speed machinery extruding, do not need to be provided with filter cloth and spray orifice in the dewatering unit, need not use the difference dehydration of gravity and centrifugal force, thereby can not take place to separate or to stop up problems such as filter cloth, filter opening, can realize dehydration to oil mixture; On the other hand, dewatering unit need not large-scale bodies such as cylinder, and equipment volume is little; The 3rd, because of the rotating speed of screw shaft is low, noise is very little during dewatering unit work, power consumption is also low; With the lamination main diameter is that 10cm, power are that 0.7 kilowatt two-fold spiral shell main body dewatering unit is an example, and its processing power is 8 kilograms of siccatives per hour, and unit power consumption only is every kilogram of siccative 0.1 kilowatt-hour.
In preferred implementation of the present utility model, also be provided with and the staggered synergetic ring lamination that moves about of described set collar lamination.The rotation of the screw shaft of folded spiral shell main body is when promotion sewage is from the front end to the end, also constantly the staggered synergetic filter of moving about ring lamination cleaning set collar lamination and moving about between the ring lamination of drive and set collar lamination is stitched, can prevent that the filter seam from stopping up, seldom need to add the water flushing, can avoid the secondary water pollution problems, further save consumption water resources.With the lamination main diameter is that 10 centimetres, power are that 0.7 kilowatt two-fold spiral shell main body dewatering unit is an example, and its unit water consumption only is per hour 0.03 ton.
In preferred implementation of the present utility model, the filter seam that forms between the lamination of folded spiral shell main body and the pitch of screw shaft diminish from the front end to the end gradually, the volume of folded spiral shell main body constantly dwindles, under the effect of back pressure plate, press in producing greatly, thereby reach the target of dehydration, therefore, the utility model dewatering unit not only can be handled the dehydration of high density solidliquid mixture, also can directly dewater to the lower concentration solidliquid mixture, the minimum solidliquid mixture concentration of dewatering that can directly realize is 2 grams per liters, and the scope of applicable material concentration is big; Secondly, the mud cake water content of generation is low, can reach the mud cake water content and be lower than 75% effect; The 3rd, do not need to be provided with concentration basin, thereby can save floor space; The 4th, can realize that solidliquid mixture dewaters under aerobic condition, the release of the phosphorus under anoxic or anaerobic condition in traditional concentration basin or the storage pool can not take place, thereby promotes the dephosphorization function of total system; The 5th, can avoid solidliquid mixture to store the problem that produces foul smell for a long time at concentration basin.
In addition, because of the easy obturating element of no filter-fabric, filter opening etc. in the utility model dewatering unit, operational management is simple, can move order according to section situation working time and set, and carry out unattended operation in full-automatic 24 hours.
Description of drawings
Fig. 1 is the structural front view of the utility model dewatering unit one embodiment;
Fig. 2 is the structure vertical view of the utility model dewatering unit one embodiment;
Fig. 3 is the structure right view of the utility model dewatering unit one embodiment;
Fig. 4 is the structural representation of the folded spiral shell main part of the utility model dewatering unit one embodiment;
Fig. 5 is the workflow diagram of the utility model dewatering unit.
Among the figure, 10-folds spiral shell main body, 100-back pressure plate, 101-set collar lamination, the 102-ring lamination that moves about, 103-screw shaft, 104-mass transport mouth, 105-mud cake relief outlet, the 106-motor, 107-backwash interface tube, 20-folds the spiral shell main body base, 201-filtrate relief outlet, 30-scale tank, 301-fluid level controller, 302-scale tank refluxing opening, the 40-tempering tank that flocculates, the 401-sewage draining exit, the 402-stirrer, 50-control unit, 60-backwash valve.
Embodiment
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
With reference to Fig. 1～3, show structural front view, vertical view and the right view of the utility model dewatering unit one embodiment respectively, comprise folded spiral shell main body 10, folded spiral shell main body base 20, flocculation tempering tank 40, scale tank 30, control unit 50 and solidliquid mixture supply unit, the solidliquid mixture supply unit is connected by process sequence according to this, and is connected with control unit 50 respectively with scale tank 30, flocculation tempering tank 40, folded spiral shell main body 10, folded spiral shell main body base 20; In addition, also comprise the flocculation agent filling unit that is connected with flocculation tempering tank 40, and, the backwash unit that is connected with folded spiral shell main body 10 with the tempering tank 40 that flocculates respectively, wherein:
Folded spiral shell main body 10 comprises set collar lamination 101, ring lamination 102, screw shaft 103, back pressure plate 100, mass transport mouth 104, mud cake relief outlet 105, motor 106 and backwash interface tube 107 move about, as shown in Figure 4 and Figure 5, set collar lamination 101 is serially connected by encircling union lever surely; The ring lamination 102 that moves about interlocks with set collar lamination 101 and superposes; Screw shaft 103 is in the middle of the set collar lamination 101 and the ring lamination 102 that moves about, and wherein an end is connected with motor 106; Mass transport mouth 104 is arranged at the front end of folded spiral shell main body 10, is connected with flocculation tempering tank 40 by pipe connecting; Solid relief outlet 105 is arranged at the end of folded spiral shell main body 10, is used for the mud cake after the dehydration is discharged; Back pressure plate 100 is divided into the portion of concentrating and dehydration portion with the cavity of set collar lamination 101, move about ring lamination 102 and screw shaft 103 formation, and dehydration portion is positioned at the leading portion part of folded spiral shell main body 10, and dehydration portion is positioned at the back segment part of folded spiral shell main body 10; Backwash interface tube 107 is positioned at the top of folded spiral shell main body 10, is connected with running water system or grey water system by the unitary backwash pipe of backwash, backwash valve 60, is used to clean folded spiral shell main body 10.
In addition, in this preferred embodiment, the set collar lamination 101 and the filter seam that forms between the ring lamination 102 that moves about diminish to end gradually from the front end of folding spiral shell main body 10; The pitch of screw shaft 103 diminishes to end gradually from the front end of folded spiral shell main body 10.
Folded spiral shell main body base 20 is positioned at the below of folding spiral shell main body 10, and is provided with filtrate relief outlet 201 below folded spiral shell main body base 20, will effusive filtrate collection and discharge from the filter seam.
Need to prove:
The first, in this preferred embodiment, dewatering unit is set side by side with 3 groups of folded spiral shell main bodys, and the utility model dewatering unit can be provided with 1 group, 2 groups or 3 groups of above folded spiral shell main bodys according to actual needs;
The second, the back pressure plate is provided with 4, and except that being partitioned into the portion of concentrating and dehydration portion, also concentrating part being cut is 3 cavitys; The utility model dewatering unit can be provided with the back pressure plate more than 2 or 2 according to actual needs, and can regulate the treatment capacity of solidliquid mixture and the water ratio of discharge mud cake by the space of regulating between the back pressure plate.
Particularly, the correlation technique parameter of the utility model dewatering unit preferred embodiment can for:
Lamination main body number: 2 groups
Folded spiral shell main diameter: 10cm
Dewatering unit power: 0.70kw
Water inlet index: suspension content So 〉=2000mg/L
Effluent index: COD content Se≤100mg/L
The water content of mud cake: be lower than 75%
As calculated, the device processes ability is 6.5kg siccative per hour.
Below, the dewatering Principle of the utility model dewatering unit embodiment is described:
Solidliquid mixture (as sewage) is after the leading portion part (concentrating portion) of folded spiral shell main body 10 concentrates through gravity, be transported to back segment part (dehydration portion) by screw shaft 103, in the process of advancing, along with set collar lamination 101 with the diminishing gradually of the pitch of move about the filter seam that forms between the ring lamination 102 and screw shaft 103, the volume of folded spiral shell main body 10 constantly dwindles, and under the effect of back pressure plate, produces interior greatly the pressure, thereby reach the target of dehydration, and can produce the low mud cake of water content.Therefore, the scope of the applicable material concentration of the utility model is very big; And, not needing to be provided with concentration basin, the area of holding pond does not need too big yet, can save floor space; In addition, can realize that sewage dewaters under aerobic condition, the problem of avoiding the phosphorus of sewage under anoxic or anaerobic condition to discharge and produce foul smell.
With reference to Fig. 5, show the workflow of the utility model dewatering unit, specifically may further comprise the steps:
Step S51: the solidliquid mixture supply unit is delivered to scale tank 30 with the solidliquid mixture in the storage pool, then, flow in the flocculation tempering tank 40 that is connected with scale tank 30;
Step S52: fluid level controller 303 is adjusted the feed liquor amount of scale tank 30, and unnecessary solidliquid mixture returns storage pool by scale tank refluxing opening 302;
Step S53: flocculation agent filling unit adds flocculation tempering tank 40 with flocculation agent, carries out thorough mixing by stirrer 401 and forms alumen ustum;
Wherein, under the perfect condition, the diameter of alumen ustum is about 5mm.
Step S54: alumen ustum enters folded spiral shell main body 10 through mass transport mouth 104, concentrates through gravity in concentrated portion, and a large amount of filtrates are discharged from set collar lamination 101 and the filter seam that moves about between the ring lamination 102, then through 201 outflows of filtrate relief outlet;
Step S55: the alumen ustum after concentrating advances to dehydration portion along the direction of screw shaft 103 rotations, under the interior pressure effect that back pressure plate 100 forms, and fully dehydration;
Step S56: the mud cake after the dehydration is discharged through mud cake relief outlet 105.
Wherein, can pass through the speed of rotation of motor 106 adjusting screw axles 103, and the water ratio of solidliquid mixture treatment capacity and mud cake is regulated in the space between the adjusting back pressure plate 100.
Below, illustrate specifically to comprise the backwash flow process of the utility model dewatering unit:
Open the backwash valve 60 that is connected with running water system or grey water system;
Tap water or middle water flow into folded spiral shell main body 10 inside through backwash pipe 107, and the filtrate relief outlet 201 of the sewage behind flushing set collar lamination 101, move about ring lamination 102 and the screw shaft 103 on folded spiral shell main body base 20 flows out, and realizes the cleaning to folded spiral shell main body 10;
Tap water or middle water flow into flocculation tempering tank 40 inside through the backwash pipe, and the sewage behind flushing flocculation tempering tank 40 inwalls and the stirrer 402 flows out through sewage draining exit 401, realizes the cleaning to flocculation tempering tank 40.
Wherein, in the backwash process of folded spiral shell main body 10, can select to open motor 106; In the backwash process of flocculation tempering tank 40, can select to open stirrer 402.
Each embodiment in this specification sheets all adopts the mode of going forward one by one to describe, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
More than a kind of dewatering unit provided by the utility model and principle of work thereof are described in detail, used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present utility model, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model.
Claims (12)
1. dewatering unit, it is characterized in that, comprise one or more groups folded spiral shell main body, described folded spiral shell main body specifically comprises set collar lamination, screw shaft, power part, mass transport mouth and solid relief outlet, wherein, described screw shaft is connected with an end of screw shaft through middle, the described power part of set collar lamination, the other end of described screw shaft is fixed on the shell of described folded spiral shell main body, described mass transport mouth is arranged at the front end of folded spiral shell main body, and described solid relief outlet is arranged at the end of folded spiral shell main body.
2. dewatering unit as claimed in claim 1 is characterized in that, described folded spiral shell main body also includes the ring lamination that moves about, described move about ring lamination and the staggered stack of set collar lamination.
3. dewatering unit as claimed in claim 2 is characterized in that, the filter seam that the described set collar lamination and the ring that moves about form between the lamination diminishes to end gradually from the front end of described folded spiral shell main body.
4. dewatering unit as claimed in claim 2 is characterized in that the pitch of described screw shaft diminishes to end gradually from the front end of described folded spiral shell main body.
5. as claim 3 or 4 described dewatering units, it is characterized in that, described folded spiral shell main body also comprises two or more back pressure plates, described back pressure plate is divided into the portion of concentrating and dehydration portion with the cavity of set collar lamination, move about ring lamination and screw shaft formation, described concentrated portion is positioned at the leading portion part of described folded spiral shell main body, and described dehydration portion is positioned at the back segment part of described folded spiral shell main body.
6. dewatering unit as claimed in claim 1 is characterized in that, described set collar lamination is serially connected by encircling union lever surely, is fixed on the folded spiral shell main body.
7. dewatering unit as claimed in claim 2 is characterized in that, described dewatering unit also comprises folded spiral shell main body base, and described folded spiral shell main body is positioned at the top of folded spiral shell main body base; Described folded spiral shell main body base is provided with the filtrate collection parts and is positioned at the filtrate relief outlet of filtrate collection parts below.
8. dewatering unit as claimed in claim 7 is characterized in that, described dewatering unit also comprises solidliquid mixture supply unit, scale tank, flocculation tempering tank, flocculation agent filling unit and control unit, wherein:
Described solidliquid mixture supply unit, scale tank, flocculation tempering tank, folded spiral shell main body, folded spiral shell main body base are pressed process sequence successively and are connected, and described flocculation agent filling unit is connected with the flocculation tempering tank;
Described solidliquid mixture supply unit, scale tank, flocculation tempering tank, flocculation agent filling unit, folded spiral shell main body are connected with described control unit respectively.
9. dewatering unit as claimed in claim 8 is characterized in that, described scale tank is provided with fluid level controller and scale tank refluxing opening, and described scale tank refluxing opening is connected to storage pool by liquid delivery tube.
10. dewatering unit as claimed in claim 8 is characterized in that, described flocculation steel basin is provided with stirrer.
11. dewatering unit as claimed in claim 8 is characterized in that:
Described folded spiral shell main body and flocculation tempering tank also are provided with the backwash interface tube, and link to each other with running water system or grey water system by the backwash pipe;
Described flocculation steel basin below also is provided with sewage draining exit, and is connected with storage pool by liquid delivery tube.
12. dewatering unit as claimed in claim 1 is characterized in that, described power part is a motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020235693XU CN201756494U (en) | 2010-06-24 | 2010-06-24 | Dewatering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020235693XU CN201756494U (en) | 2010-06-24 | 2010-06-24 | Dewatering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201756494U true CN201756494U (en) | 2011-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201020235693XU Expired - Fee Related CN201756494U (en) | 2010-06-24 | 2010-06-24 | Dewatering device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103570162A (en) * | 2013-11-19 | 2014-02-12 | 江苏康泰环保设备有限公司 | Coal-washing wastewater solid-liquid separation system and method |
| CN103697679A (en) * | 2013-12-17 | 2014-04-02 | 许中华 | Solid and liquid separating, dehydrating and drying integrating machine |
| CN105923978A (en) * | 2016-07-12 | 2016-09-07 | 厦门威迪思汽车设计服务有限公司 | Deep sludge dehydration treatment device and treatment method thereof |
| CN106139672A (en) * | 2015-04-15 | 2016-11-23 | 巩高铄 | A kind of tubular filter and use the feed separation system of this tubular filter |
| CN108467175A (en) * | 2018-03-12 | 2018-08-31 | 宜兴市凯利达环保设备有限公司 | Overlapping screwed sludge dewatering equipment technique |
| CN114028855A (en) * | 2021-11-05 | 2022-02-11 | 山东康力医疗器械科技有限公司 | Medical instrument washs uses sewage treatment plant |
-
2010
- 2010-06-24 CN CN201020235693XU patent/CN201756494U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103570162A (en) * | 2013-11-19 | 2014-02-12 | 江苏康泰环保设备有限公司 | Coal-washing wastewater solid-liquid separation system and method |
| CN103697679A (en) * | 2013-12-17 | 2014-04-02 | 许中华 | Solid and liquid separating, dehydrating and drying integrating machine |
| CN103697679B (en) * | 2013-12-17 | 2015-09-09 | 许中华 | Solid-liquid separation dehydration desiccation integral machine |
| CN106139672A (en) * | 2015-04-15 | 2016-11-23 | 巩高铄 | A kind of tubular filter and use the feed separation system of this tubular filter |
| CN105923978A (en) * | 2016-07-12 | 2016-09-07 | 厦门威迪思汽车设计服务有限公司 | Deep sludge dehydration treatment device and treatment method thereof |
| CN108467175A (en) * | 2018-03-12 | 2018-08-31 | 宜兴市凯利达环保设备有限公司 | Overlapping screwed sludge dewatering equipment technique |
| CN114028855A (en) * | 2021-11-05 | 2022-02-11 | 山东康力医疗器械科技有限公司 | Medical instrument washs uses sewage treatment plant |
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Owner name: JIANGSU ZHONGHENG WATER INDUSTRY EQUIPMENT CO., LT Free format text: FORMER OWNER: YIXING ZHONGHENG WATER INDUSTRY EQUIPMENT CO., LTD. Effective date: 20131114 |
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Free format text: CORRECT: ADDRESS; FROM: 214212 WUXI, JIANGSU PROVINCE TO: 214000 WUXI, JIANGSU PROVINCE |
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Effective date of registration: 20131114 Address after: 214000 Xingda Road, Jiangsu city of Yixing province Zhu Xi Zhou Town Industrial Zone No. 6 Patentee after: Jiangsu Xinzhongheng Water Industry Equipment Co., Ltd. Address before: 214212, Jiangsu province Yixing City Stone Town, big sharp Village Patentee before: Yixing City Zhongheng Water Industry Equipment Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110309 Termination date: 20140624 |
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