CN104069679A - All-in-one machine for sewage sludge treatment - Google Patents
All-in-one machine for sewage sludge treatment Download PDFInfo
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- CN104069679A CN104069679A CN201410338714.3A CN201410338714A CN104069679A CN 104069679 A CN104069679 A CN 104069679A CN 201410338714 A CN201410338714 A CN 201410338714A CN 104069679 A CN104069679 A CN 104069679A
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Abstract
The invention relates to an all-in-one machine for sewage sludge treatment, and belongs to the technical field of environmental protection. The all-in-one machine comprises a sewage filtering tank, a clear water tank, a micro filter screen and a sludge pressing tank, wherein the sewage filtering tank is used for being communicated with the outside to store sewage; the clear water tank is arranged below the sewage filtering tank; the micro filter screen is arranged between the sewage filtering tank and the clear water tank, and used for filtering the suspended solids and the flocculating constituents in the sewage; the sludge pressing tank is arranged at one end of the micro filter screen to collect the suspended solids and the flocculating constituents on the micro filter screen; the micro filter screen is arranged on a transmission mechanism, and pushed to move circularly by the transmission mechanism; a pushing device used for pushing the suspended solids and the flocculating constituents in the sludge pressing tank to move is arranged in the sludge pressing tank; a concentrated liquid storing tank positioned at one end of the pushing device is arranged in the sludge pressing tank; a filter cylinder and a pressing plate arranged at the opening end of the filter cylinder are arranged in the concentrated liquid storing tank; the filter cylinder is connected with the pushing device; the suspended solids and the flocculating constituents in the sludge pressing tank are pushed into the filter cylinder by the pushing device.
Description
Technical field
The present invention relates to a kind of sewage sludge and process all-in-one, belong to environmental technology field.
Background technology
Economic society, in development, all needs great lot of water resources every day, and after life and activity in production, these water become sewage, are directly discharged in natural water if these sewage are not treated, will destroy the ecological system of Natural Water.Therefore, how to process these sewage, conservation of nature environment more and more obtains people's attention.But, all some problems of existence and defects in various degree of current existing sewage disposal device.
Current traditional waste water treatment process flow process is longer, and the sewage disposal device needing is more, takes up an area greatlyr, and the site operation construction period is longer, and equipment operating is safeguarded more complicated, processes ton water consumption higher.
Again in current sewage disposal device, mud after treatment is not easy to clear up in equipment, sludge treatment equipment need to be set separately, these sludge treatment equipments are very huge and complicated, the disposal cost of mud per ton is very high, and in the face of various different types of sewage, need to adopt different treatment facilities, the very professional personnel of needs design, installation and maintenance.And in the time that equipment breaks down, cannot know in the very first time, need professional's ability failure judgement point.Because existing sewage disposal device is only disposed of sewage, and need multiple sewage disposal device tandem compound sewage disposal could be arrived to the directly standard of discharge, and the mud producing in processing procedure need independent collection and treatment, so, complex disposal process, cost is higher.
In addition, the partial function of current screen mesh type rotary drum grid has can sieve solid particle and fiber from sewage, the function of press filtration grid slag, but it need to be arranged in predetermined civil engineering pond, and only screen out the grid slag that grain size is greater than 1mm, cannot remove the suspension that particle diameter is less; After rotary drum grid is by the interception of grid slag, whole grid need to be rotated, and cannot remove the gred by continuous operation, the occupation of land of ton water and energy consumption are all larger.
Because above-mentioned defect, the design people, actively research and innovation in addition, processes all-in-one to founding a kind of sewage sludge of new structure, makes it have more the value in industry.
Summary of the invention
For solving the problems of the technologies described above, the object of this invention is to provide a kind of sewage sludge and process all-in-one, it is compact to design rationally, volume is little, treatment effeciency is high, ensures the filtration to sewage disposal and the dehydrating effect to mud, can improve the operational effect of whole sewage treatment process section.
A kind of sewage sludge of the present invention is processed all-in-one, comprise the sewage water filtration groove in order to be communicated with to store sewage with outside, be arranged on the Rinsing Area of sewage water filtration groove below, be arranged between sewage water filtration groove and Rinsing Area and in order to filter suspension in sewage and the micro-filtration net of floccule body, and be arranged on micro-filtration net one end to collect the online suspension of micro-filtration and the pressure mud groove of floccule body, described micro-filtration net is arranged on loopy moving on transmission mechanism and under the promotion of described transmission mechanism, in described pressure mud groove, be provided with the pusher moving in order to the suspension in promotion pressure mud groove and floccule body, and the concentrate storage tank of one end of described pusher is set, in described concentrate storage tank, be provided with filter cylinder, be arranged on the pressing plate of the openend of filter cylinder, described filter cylinder is connected with described pusher and will presses suspension and floccule body in mud groove to push in described filter cylinder by described pusher.
Further, described micro-filtration net is horizontal tilt setting.
Further, described micro-filtration net comprises the horizontal segment of the top that stretches to described pressure mud groove, is provided with the air knife that is positioned at described horizontal segment top in described pressure mud groove.
Further, between described pressure mud groove and Rinsing Area and micro-filtration net, be provided with mud guard.
Further, described sewage sludge is processed all-in-one and is comprised some wherein a kind of micro-filtration nets of mesh aperture of optionally installing, and wherein the mesh aperture scope of some described micro-filtration nets is at 100 μ m to 800 μ m.
Further, in described sewage water filtration groove, be provided with liquid level gauge and overfall, described liquid level gauge drives described transmission mechanism to start, and described overfall is positioned at described micro-filtration net both sides.
Further, be provided with heat water-spraying's pipe and cold water shower in described pressure mud groove, described heat water-spraying's pipe is positioned at micro-filtration net one side to rinse described micro-filtration net, and described cold water shower is arranged on filter cylinder one side to rinse described filter cylinder and to press mud groove.
Further, between described sewage water filtration groove and Rinsing Area, be also provided with pressing plate, described pressing plate supports at described micro-filtration net dual-side.
Further, described concentrate storage tank arranged outside has housing, is provided with the elastic component toward the filter cylinder direction application of force by described pressing plate between described pressing plate and housing.
Further, described sewage water filtration groove top is provided with seal closure and is arranged on the blow vent on seal closure.
By such scheme, the present invention at least has the following advantages: sewage sludge provided by the present invention is processed machine compact and reasonable, and volume is little, and treatment effeciency is high, ensure the filtration to sewage disposal and the dehydrating effect to mud, can improve the operational effect of whole sewage treatment process section.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of description, below with preferred embodiment of the present invention and coordinate accompanying drawing to be described in detail as follows.
Brief description of the drawings
Fig. 1 is the structural representation that sewage sludge of the present invention is processed all-in-one;
Fig. 2 be in Fig. 1 A to enlarged drawing;
Fig. 3 is the side view that the sewage sludge shown in Fig. 1 is processed all-in-one.
Detailed description of the invention
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples are used for illustrating the present invention, but are not used for limiting the scope of the invention.
Referring to shown in Fig. 1 to 3, a kind of sewage sludge is processed all-in-one and is comprised housing 9 and front support leg 71 and rear leg 72 in order to support housing 9.Housing 9, front support leg 71 and rear leg 72 that this sewage sludge is processed all-in-one adopt high-quality stainless steel made.Described front support leg 71 and rear leg 72 are adjustable feet, in actual use, can need to regulate front support leg 71 and rear leg 72 according to actual landform.In described housing 9, be provided with sewage water filtration groove 5 in order to be communicated with to store sewage with outside, be arranged on sewage water filtration groove 5 belows Rinsing Area 13, be arranged between sewage water filtration groove 5 and Rinsing Area 13 and in order to filter the micro-filtration net 8 of suspension in sewage and floccule body and to be arranged on micro-filtration net 8 one end to collect suspension on micro-filtration net 8 and the pressure mud groove 22 of floccule body.Between described sewage water filtration groove 5 and Rinsing Area 13, be communicated with, and separated by micro-filtration net 8, described pressure mud groove 22 is positioned at the rear end of sewage water filtration groove 5 and Rinsing Area 13.
Described sewage water filtration groove 5 tops are provided with seal closure 1 and are arranged on the exhaust outlet 21 on seal closure 1, in the time that sewage sludge is processed all-in-one operation, seal closure 1 can close, and, in running by exhaust outlet 21 by sewage sludge process in all-in-one the foul smell of sewage and sludge creation be drawn into outdoor, the secondary pollution while preventing work operation.Between described sewage water filtration groove 5 and Rinsing Area 13, be also provided with pressing plate 9, pressing plate 9 supports at described micro-filtration net 10 dual-sides, and pressing plate 9 is for blocking the space of micro-filtration net 8 both sides, prevents that sewage in sewage water filtration groove 5 is from 8 liang of side inflow Rinsing Areas 13 of micro-filtration net; Pressing plate 9 is also for covering the Timing Belt of micro-filtration net 8 both sides, prevents from that micro-filtration net 8 is in operation come off and be out of shape;
Described micro-filtration net adopts high strength PETG (to be called for short: PET) made.Described sewage sludge is processed all-in-one and is comprised some wherein a kind of micro-filtration nets 8 of mesh aperture of optionally installing, wherein the mesh aperture scope of some described micro-filtration nets 8, at 100 μ m to 800 μ m, is specifically used the micro-filtration net 8 of which kind of mesh aperture scope to determine according to the particle size of the actual suspension that will filter and floccule body.In the present embodiment, described micro-filtration net 8 is greater than suspension and the floccule body of 300 μ m for filtering sewage particle diameter, so, the micro-filtration net 8 of selection mesh aperture 300 μ m.Wastewater suspended substance and floccule body through micro-filtration net 8 are reduced to below 100mg/L, will not be trapped within on micro-filtration net 8 by suspension and the floccule body of micro-filtration net 8.Micro-filtration net 8 comprises that being level 35 spends the tilting section 81 being obliquely installed and the horizontal segment 82 being connected with described tilting section 81, and this tilting section 81 is arranged between sewage water filtration groove 5 and Rinsing Area 13, and horizontal segment 82 stretches to the top of pressing mud groove 22.Certainly, in other embodiments, this micro-filtration net 8 can all be level 35 and spend being obliquely installed of being obliquely installed, or the angle of inclination of this micro-filtration net 8 can be also other angles.
Described micro-filtration net 8 is arranged on loopy moving on transmission mechanism and under the promotion of described transmission mechanism.This micro-filtration net 8 is detachable installation with drive mechanism.Described transmission mechanism comprises driving wheel 18, the first driven pulley 6 and the second driven pulley 11, described driving wheel 18 is arranged on one end of micro-filtration net 8, be positioned at and press mud groove 22, the relative driving wheel 18 of the first driven pulley 6 is arranged on the other end of micro-filtration net 8, and the second driven pulley 11 is arranged on the junction of tilting section 81 with the horizontal segment 82 of micro-filtration net.Driving wheel 18 is controlled by the micro-filtration net drive motors 19 being fixed on housing 9, and this micro-filtration net 8 is controlled start and stop by driving wheel 18 and micro-filtration net drive motors 19; The first driven pulley 6 and the second driven pulley 11 support micro-filtration net 8, make micro-filtration net 8 continuous loopy moving on transmission mechanism together with driving wheel 18.The bottom of described micro-filtration net 8 is also provided with regulating wheel 12, and this regulating wheel 12 is for controlling the tensile force of micro-filtration net 8 at running.
In described pressure mud groove 22, be provided with the air knife 15 and the heat water-spraying that are positioned at horizontal segment 18 tops and manage 16.Air knife 15 provides wind regime by blower fan (not shown), for washing away suspension and the floccule body held back on micro-filtration net 8; When air knife 15 is worked, be reverse air-out, the deposition on micro-filtration net 8 is fallen completely.Heat water-spraying manages 16 for rinsing on micro-filtration net 8 the difficult oleaginous material washing away, and the hot water source that heat water-spraying manages in 16 adopts the hot water in solar water heater, and makes heat water-spraying manage 16 output water temperature with addition of appropriate running water to maintain 60 DEG C of left and right.Between described pressure mud groove 22 and Rinsing Area 13 and micro-filtration net 8, be provided with mud guard 14, when can preventing that by this mud guard 14 air knife 15 from washing away the suspension of holding back on micro-filtration net 8 and floccule body, suspension and floccule body are blown in Rinsing Area 13, and this mud guard 14 rushes mud device with air knife 15 compositions.
In described sewage water filtration groove 5, be also provided with liquid level gauge 4 and overfall 10.Described liquid level gauge 4 changes for the liquid level of surveying sewage water filtration groove 5 inside, in the time of the suspension of holding back on micro-filtration net 8 and floccule body overheap, micro-filtration net 8 filters discharge reduction, liquid level in sewage water filtration groove 5 constantly raises, in the time that liquid level is elevated to a high position, liquid level gauge 4 is to micro-filtration net drive motors 19 and rush mud device and send signal, micro-filtration net drive motors 19 starts driving wheel 18 under the driving of motor reducer rotates micro-filtration net 8, along with micro-filtration net 8 flow path direction rotation against the current, on micro-filtration net 8, most of suspension of piling up and floccule body drop into and press in mud groove 22 by gravity, subsequently, the air knife 15 rushing in mud device also can start backward erosion micro-filtration net 8, and the suspension and the floccule body that make to stick on micro-filtration net 8 all drop in pressure mud groove 22.Described overfall 10 is positioned at described micro-filtration net 8 both sides, and overfall 10 exceeds the sewage of micro-filtration net 8 filter capacities for overflow sewage lautertuns 5.Described Rinsing Area 13, for storing the sewage after micro-filtration net 8 filters, is provided with delivery port 31 on Rinsing Area 13, and the delivery port 31 of the sewage after micro-filtration net 8 filters in Rinsing Area 13 flows out.
In described pressure mud groove 22, be provided with the concentrate storage tank 29 of the pusher 24 moving in order to the suspension in promotion pressure mud groove 22 and floccule body and one end that described pusher 24 is set.In concentrate storage tank 29, be provided with filter cylinder 26, be arranged on the pressing plate 28 of the openend of filter cylinder 26, described filter cylinder 26 is connected with described pusher 24 and will presses suspension in mud groove 22 and floccule body towards the interior propelling movement of described filter cylinder 26 by described pusher 24.This pusher 24 is auger conveyor.Between described pressing plate 28 and housing 9, be provided with by described pressing plate 28 elastic component 27 toward the filter cylinder 26 direction application of forces.In the present embodiment, this elastic component 27 is spring, and spring 27 is many.Described concentrate storage tank 29 is also provided with concentrated solution outlet 30.Described auger conveyor 24 is for pressing aqueous suspension thing and the floccule body of mud groove 22 to be transported to filter cylinder 26 and pressing plate 28 places by falling on micro-filtration net 8, pressing plate 28 keeps higher pressure under many springs 27 stretch, under the continuous extruding of auger conveyor 24, aqueous suspension thing and floccule body are constantly pushed through filter cylinder 26 and pressing plate 28 places, frictional force between suspension and floccule body constantly increases, Interstitial Water in suspension and floccule body flows out and enters concentrate storage tank 29 gradually from filter cylinder 26, and flows into prime cesspool through concentrated solution outlet 30.When the frictional force between suspension and floccule body is in the time that auger conveyor 24 constantly exceeds the pulling force of spring 27 under extruding, suspension and floccule body are broken through pressing plate 28 and are extruded, and become moisture content lower than 80% mud cake.
In pressure mud groove 22, be also provided with cold water shower 17, this cold water shower 17 is positioned at filter cylinder 26 tops.Cold water shower 17 is for rinsing filter cylinder 26 and pressing suspension and the floccule body residue in mud groove 22.After auger conveyor 24 shuts down, automatically open the valve before cold water shower 17, start cold water shower 17, filter cylinder 26 and pressure mud groove 22 are rinsed.
In pressure mud groove 22, be also provided with infrared detector 23, infrared detector 23 is pressed mud groove 22 interior unpressed suspension and floccule body layer heights for surveying, when unpressed suspension and floccule body layer height reach the position that infrared detector 23 is responded to, infrared detector 23 is given and is pressed mud drive motors 20 to send signal, presses mud drive motors 20 to drive auger conveyor 24 to rotate.
Above-mentioned sewage sludge process all-in-one by Programmable Logic Controller (be called for short: PLC) (not shown) Real-time Collection liquid level gauge 4, micro-filtration net drive motors 19, infrared detector 23 and press the service data of mud drive motors 20, by GPRS wireless remote transmission terminal by these service datas transmission background servers.The duty of this sewage sludge processing all-in-one can be on background server, shown in real time, and the work period that enters the sewage water yield, sludge creation amount and the power part of sewage sludge processing all-in-one in a period of time can be effectively added up.
In sum, sewage sludge of the present invention is processed all-in-one as having the following advantages:
(1), owing to the micro-filtration net 8 in order to filter suspension in sewage and floccule body being set between sewage water filtration groove 5 and Rinsing Area 13 and arranging in micro-filtration net 8 one end in order to collect suspension on micro-filtration net 8 and the pressure mud groove 22 of floccule body, thereby make global design compact and reasonable, volume is little, take up an area less, energy consumption is low;
(2), because micro-filtration net 8 is arranged on transmission mechanism, press the concentrate storage tank 29 that is provided with the auger conveyor 24 moving in order to the suspension in promotion pressure mud groove 22 and floccule body and the one end that is arranged at auger conveyor 24 in mud groove 22, in concentrate storage tank 29, be provided with filter cylinder 26, be arranged on the pressing plate 28 of the openend of filter cylinder 26, so can turn round by Automatic continuous, automatic discharge, treatment effeciency is high, ensure the filtration to sewage disposal and the dehydrating effect to mud, can improve the operational effect of whole sewage treatment process section;
(3), due to liquid level gauge 4, infrared detector 23 and Programmable Logic Controller, so, can know in real time its duty, automaticity is high, equipment cleans and safeguards simple;
(4) due to the front support leg 71 and the rear leg 72 that are provided with in order to support housing 9, micro-filtration net 8 is level 35 degree and is obliquely installed, so this sewage sludge is processed all-in-one can, according to actual landform needs, regulate the horizontal tilt angle of setting height(from bottom) and micro-filtration net 8; The seal closure 1 that can close, realize totally-enclosed, the secondary pollution while preventing work operation;
(5), because housing 9, front support leg 71 and rear leg 72 adopt high-quality stainless steel made, so, there is corrosion resistant feature;
(6), because micro-filtration net 8 adopts high-strength PET material made, so micro-filtration net 8 high life, adopt quick detachable design, the dismounting and change of micro-filtration net 8 is very convenient;
(7), in addition, this sewage sludge is processed all-in-one can be widely used in Processing Paper Wastewater, slaughtering wastewater, breeding wastewater etc. containing more sewage and the municipal sanitary sewage of suspension for the treatment of containing the more sewage of suspension, also can being combined with other treatment process section separately.
The above is only the preferred embodiment of the present invention; be not limited to the present invention; should be understood that; for those skilled in the art; do not departing under the prerequisite of the technology of the present invention principle; can also make some improvement and modification, these improve and modification also should be considered as protection scope of the present invention.
Claims (10)
1. a sewage sludge is processed all-in-one, it is characterized in that: comprise the sewage water filtration groove in order to be communicated with to store sewage with outside, be arranged on the Rinsing Area of sewage water filtration groove below, be arranged between sewage water filtration groove and Rinsing Area and in order to filter suspension in sewage and the micro-filtration net of floccule body, and be arranged on micro-filtration net one end to collect the online suspension of micro-filtration and the pressure mud groove of floccule body, described micro-filtration net is arranged on loopy moving on transmission mechanism and under the promotion of described transmission mechanism, in described pressure mud groove, be provided with the pusher moving in order to the suspension in promotion pressure mud groove and floccule body, and the concentrate storage tank of one end of described pusher is set, in described concentrate storage tank, be provided with filter cylinder, be arranged on the pressing plate of the openend of filter cylinder, described filter cylinder is connected with described pusher and will presses suspension and floccule body in mud groove to push in described filter cylinder by described pusher.
2. sewage sludge according to claim 1 is processed all-in-one, it is characterized in that: described micro-filtration net is horizontal tilt setting.
3. sewage sludge according to claim 1 is processed all-in-one, it is characterized in that: described micro-filtration net comprises the horizontal segment of the top that stretches to described pressure mud groove, is provided with the air knife that is positioned at described horizontal segment top in described pressure mud groove.
4. process all-in-one according to the sewage sludge of claim 3, it is characterized in that: between described pressure mud groove and Rinsing Area and micro-filtration net, be provided with mud guard.
5. sewage sludge according to claim 1 is processed all-in-one, it is characterized in that: described sewage sludge is processed all-in-one and comprised some wherein a kind of micro-filtration nets of mesh aperture of optionally installing, and wherein the mesh aperture scope of some described micro-filtration nets is at 100 μ m to 800 μ m.
6. sewage sludge according to claim 1 is processed all-in-one, it is characterized in that: in described sewage water filtration groove, be provided with liquid level gauge and overfall, described liquid level gauge drives described transmission mechanism to start, and described overfall is positioned at described micro-filtration net both sides.
7. sewage sludge according to claim 1 is processed all-in-one, it is characterized in that: in described pressure mud groove, be provided with heat water-spraying's pipe and cold water shower, described heat water-spraying's pipe is positioned at micro-filtration net one side to rinse described micro-filtration net, and described cold water shower is arranged on filter cylinder one side to rinse described filter cylinder and to press mud groove.
8. sewage sludge according to claim 1 is processed all-in-one, it is characterized in that: between described sewage water filtration groove and Rinsing Area, be also provided with pressing plate, described pressing plate supports at described micro-filtration net dual-side.
9. sewage sludge according to claim 1 is processed all-in-one, it is characterized in that: described concentrate storage tank arranged outside has housing, is provided with the elastic component toward the filter cylinder direction application of force by described pressing plate between described pressing plate and housing.
10. sewage sludge according to claim 1 is processed all-in-one, it is characterized in that: described sewage water filtration groove top is provided with seal closure and is arranged on the blow vent on seal closure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410338714.3A CN104069679B (en) | 2014-07-16 | 2014-07-16 | Sewage sludge process all-in-one |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410338714.3A CN104069679B (en) | 2014-07-16 | 2014-07-16 | Sewage sludge process all-in-one |
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| CN104069679A true CN104069679A (en) | 2014-10-01 |
| CN104069679B CN104069679B (en) | 2016-02-24 |
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| CN201410338714.3A Active CN104069679B (en) | 2014-07-16 | 2014-07-16 | Sewage sludge process all-in-one |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105819592A (en) * | 2016-05-18 | 2016-08-03 | 江苏绿凯思科环保科技有限公司 | Mat-shaped filter screen type sewage treating device |
| CN106043981A (en) * | 2016-07-26 | 2016-10-26 | 联盛纸业（龙海）有限公司 | Anaerobic granular sludge storage device for papermaking sewage treatment |
| CN109867377A (en) * | 2017-12-04 | 2019-06-11 | 上海江柘环境工程技术有限公司 | A kind of sewage disposal system |
| CN109867378A (en) * | 2017-12-04 | 2019-06-11 | 上海江柘环境工程技术有限公司 | A kind of sewage disposal system |
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| CN203935703U (en) * | 2014-07-16 | 2014-11-12 | 苏州嘉净环保科技股份有限公司 | Sewage sludge is processed all-in-one |
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| US4168236A (en) * | 1975-03-07 | 1979-09-18 | Albert Bahr | Consecutive, independent dewatering apparatus for improved sludge treatment |
| JP3800406B2 (en) * | 2002-02-06 | 2006-07-26 | 株式会社石垣 | Concentrator, continuous pressure dehydrator using a concentrator, and mobile dehydrator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105819592A (en) * | 2016-05-18 | 2016-08-03 | 江苏绿凯思科环保科技有限公司 | Mat-shaped filter screen type sewage treating device |
| CN106043981A (en) * | 2016-07-26 | 2016-10-26 | 联盛纸业（龙海）有限公司 | Anaerobic granular sludge storage device for papermaking sewage treatment |
| CN106043981B (en) * | 2016-07-26 | 2017-02-15 | 联盛纸业（龙海）有限公司 | Anaerobic granular sludge storage device for papermaking sewage treatment |
| CN109867377A (en) * | 2017-12-04 | 2019-06-11 | 上海江柘环境工程技术有限公司 | A kind of sewage disposal system |
| CN109867378A (en) * | 2017-12-04 | 2019-06-11 | 上海江柘环境工程技术有限公司 | A kind of sewage disposal system |
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| Publication number | Publication date |
|---|---|
| CN104069679B (en) | 2016-02-24 |
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Address after: 215126 No. 46, Jiangpu Road, Suzhou Industrial Park, Jiangsu, China Applicant after: Jia Jing environmental protection Science and Technology Co., Ltd. is initiated in Suzhou Address before: 215126 No. 46, Jiangpu Road, Suzhou Industrial Park, Jiangsu, China Applicant before: Suzhou Greinworth Environmental Protection Technology Co., Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: SUZHOU GREINWORTH ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD. TO: SUZHOU SHOUCHUANG JIAJING ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD. |
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