CN113045170A - Ultrahigh pressure sludge belt type dehydrator - Google Patents
Ultrahigh pressure sludge belt type dehydrator Download PDFInfo
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- CN113045170A CN113045170A CN202110490814.8A CN202110490814A CN113045170A CN 113045170 A CN113045170 A CN 113045170A CN 202110490814 A CN202110490814 A CN 202110490814A CN 113045170 A CN113045170 A CN 113045170A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/123—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using belt or band filters
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/06—Pressure conditions
- C02F2301/066—Overpressure, high pressure
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention relates to an ultrahigh pressure sludge belt type dehydrator, belonging to the technical field of sludge drying. The dehydrator comprises a frame, a plate frame system, a filter pressing system and a conveying system, wherein the frame is of a frame structure, two sides of the plate frame system are respectively connected with the frame through hydraulic devices, the filter pressing system is arranged in the plate frame system, a water receiving tank is arranged below the filter pressing system, the filter plate group comprises two filter rollers, a filter belt and a support frame, the two filter rollers are respectively fixed at the upper end and the lower end of a plate frame framework, the support frame supports the inner side of the filter belt, and two pieces of filter cloth of the conveying system pass through the filter pressing system to be in contact with the filter belt. The ultrahigh pressure sludge belt type dehydrator designed by the invention is additionally provided with the plate frame system and the filter pressing system, and performs ultrahigh pressure filter pressing on sludge in the filter belt, so that the sludge compression ratio is increased to the maximum extent, and the dehydration rate of the sludge is improved.
Description
Technical Field
The invention relates to the technical field of sludge drying, in particular to an ultrahigh pressure sludge belt type dehydrator.
Background
The conventional process for drying sludge comprises the following steps: and the residual sludge is dried by a belt filter press or a plate-and-frame filter press, collected by a conveying belt and then sent to a sludge piling field.
The above treatment process has a problem of high water content in solid-liquid separation, and the reasons are as follows:
1. after the sludge is dried by a common belt filter press, the water content is about 80 percent, the extrusion filtering pressure of the sludge is low, and the dehydration effect cannot be improved.
2. Adding sludge into a common plate-and-frame filter press and a diaphragm plate-and-frame filter press through a high-pressure pump, wherein the water content of the sludge after filter pressing is usually more than 65%; the water content of the sludge can be reduced to about 60% under the condition of adding lime, the sludge disposal cost is increased, and the sludge cannot be used as fertilizer resources after adding the lime.
3. The plate-and-frame filter press is generally added with sludge by a 2MPa high-pressure pump, and has long working time and high energy consumption. The membrane plate-and-frame filter press has small secondary compression ratio, is the fatal defect of sludge filter pressing dehydration, is produced in batches, has low working efficiency and occupies larger three-dimensional space.
Disclosure of Invention
In order to solve the problems in the prior art, the invention designs an ultrahigh pressure sludge belt type dehydrator which is used for performing ultrahigh pressure filter pressing on sludge, meets the requirement of a continuous feeding sludge treatment process, is high in working efficiency and ensures high dehydration rate of the sludge.
The technical scheme adopted by the invention is as follows: the dehydrator comprises a rack, a plate frame system, a filter pressing system and a conveying system, wherein the rack is of a frame structure, the plate frame system is of a vertical plate frame structure consisting of 3 plate frame frameworks, namely a first plate frame framework, a second plate frame framework and a third plate frame framework, the 3 plate frame frameworks are sequentially arranged in the rack, the outer side surfaces of the first plate frame framework and the third plate frame framework on two sides are respectively connected with two sides of the rack through ultrahigh pressure hydraulic devices, and two sides of the second plate frame framework are respectively connected with the first plate frame framework and the third plate frame framework through telescopic assemblies;
the filter pressing system is arranged in the plate frame system and comprises 3 filter plate groups, namely a first filter plate group, a second filter plate group and a third filter plate group, wherein the 3 filter plate groups are correspondingly arranged in 3 plate frame frameworks, a water receiving tank is arranged below each filter plate group, each filter plate group comprises two filter rollers, a filter belt and a support frame, the two filter rollers are respectively fixed at the upper end and the lower end of each plate frame framework through bearings and are respectively connected with a servo motor, the filter belt bypasses the two filter rollers, the support frame is positioned at the inner side of the filter belt and respectively outwards supports against two side belt bodies of the filter belt, and the support frame is connected with the plate frame frameworks through a connecting rod;
conveying system includes conveying system, lower conveying system and drive roller set, it includes filter cloth and last tensioning roller set to go up conveying system, it is located the upside of frame to go up the tensioning roller set, lower conveying system includes filter cloth and lower tensioning roller set down, tensioning roller set is located the downside of frame down, the drive roller set is located the downside of filter-pressing system, including drive roll and driven voller, drive roll and driven voller pass through synchronous chain and connect, the front side of frame is provided with into the mud roller, and the rear side is provided with out the mud roller, go up the filter cloth and lower filter cloth and locate the coincidence at advancing the mud roller, walk around the drive roll jointly downwards, follow again and upwards pass after upwards passing between first filter plate group and the second filter plate group downwards between second filter plate group and the third filter plate group, walk around again upwards behind the driven voller, separate in a mud roller department. Mud gets into between filter cloth and the lower filter cloth from advancing mud roller department, get into the filter pressing system along with the filter cloth under the drive of drive roller set, the plate frame system is in the same place the tight pressure of three group's filter plates of filter pressing system together under the effect of the hydraulic means of both sides superhigh pressure, pass through the filter press system under the extrusion of superhigh pressure that the filter cloth can be smooth under the drive of filter belt for the filter cloth passes through, the filter plate group is equipped with the filter roller and drives the filter belt and rotates, the filter cloth passes through the filter pressing system under the drive of filter belt, and fully extrude the moisture in the mud.
Furthermore, the dehydrator is provided with a backflushing system, the backflushing system comprises an upper backflushing system located on the upper side of the rack and a lower backflushing system located on the lower side of the rack, the upper filter cloth penetrates through the upper backflushing system, and the lower filter cloth penetrates through the lower backflushing system. The backflushing system can wash the filter cloth after the sludge is removed, and the filter cloth can still keep good water permeability in continuous work.
Furthermore, the filter belt is evenly provided with meshes and a vertical water passing groove, the two side edges of the filter belt are respectively provided with evenly arranged belt holes, the two ends of the filter roller are respectively provided with a synchronous gear, the belt holes on the two side edges of the filter belt are respectively matched with the gear teeth of the synchronous gear, and the belt holes on the two side edges of the filter belt are sleeved on the gear teeth of the synchronous gear. The filter belt is connected with the synchronous gear of the filter roller through the belt holes on the two sides, so that the filter belt can always keep rotating synchronously with the filter roller, and enough power is provided to assist the filter cloth to pass through the filter pressing system.
Furthermore, the support frame of the filter plate group comprises two support plates, the two support plates are connected through a jack, two ends of the jack are respectively connected to the centers of the two support plates, the jack is connected with two sides of the plate frame framework through a connecting rod, and a row of pressure roller bearing support filter belt is respectively embedded on the outer side plate surfaces of the two support plates. The jack pushes the supporting plate out towards two sides, so that the supporting plate is in full contact with the filter belt, full extrusion force on the passing filter cloth is guaranteed, and the pressure roller bearing is embedded in the supporting plate, so that the friction force between the supporting plate and the filter belt in the movement process is reduced.
Furthermore, a mud inlet hopper is arranged on the upper side of the mud inlet roller on the front side of the frame, a mud outlet hopper is connected to the lower side of the mud outlet roller on the rear side of the frame, mud scrapers are respectively arranged at the separated positions of the upper filter cloth and the lower filter cloth of the mud outlet hopper, and the two mud scrapers respectively abut against the cloth surfaces of the upper filter cloth and the lower filter cloth. The mud scraper scrapes the dewatered sludge adhered to the filter cloth by extrusion and falls into a mud discharging hopper.
Further, the frame includes left riser support and right riser support, connects through two crossbeams between the coexistence board support, and two crossbeams are connected respectively in the both sides middle part of coexistence board support, left side riser support passes through superhigh pressure hydraulic means and connects first sheet frame skeleton, right side riser support passes through superhigh pressure hydraulic means and connects third sheet frame skeleton.
Furthermore, guide rails are arranged on the two cross beams in the direction of extension respectively, rollers are arranged outside two sides of the 3 plate frame frameworks respectively, and the rollers on the two sides are located in the guide rails of the cross beams on the two sides respectively and can roll along the guide rails.
Furthermore, the same side end of the 3-group water tank is inclined downwards and is connected with a water collecting tank together.
Compared with the prior art, the ultra-high pressure sludge belt type dehydrator designed by the invention has the advantages that: the dehydrator is in a belt type continuous feeding and discharging mode, the plate frame system and the filter pressing system are arranged, and the ultrahigh-pressure hydraulic device is arranged to provide ultrahigh extrusion force for the filter pressing system, so that the compression ratio of sludge is improved, and the dehydration rate is improved; the filter plate group of the filter pressing system is provided with a filter roller and a filter belt which synchronously rotates, the filter belt is directly contacted with the filter cloth wrapping the sludge, and the filter belt rotates to ensure that the filter cloth can still stably pass through the filter pressing system under the extrusion force of ultrahigh pressure; the filter plate group is provided with a support frame with a Kicky top at the inner side of the filter belt to support the belt body, and the outer surface of the support plate is embedded with a pressure roller bearing to reduce the friction force between the filter belt and the support plate so that the filter belt can rotate smoothly; the sludge belt type dehydrator designed by the invention has the advantages of simple structure, reasonable design, small overall occupied area, space saving and operation and management cost reduction.
Drawings
FIG. 1 is a schematic plane structure diagram of a super-high pressure sludge belt type dewatering machine
FIG. 2 is a schematic view of the front view of the body of the ultra-high pressure sludge belt dewaterer
FIG. 3 is a schematic view of the filter pressing system and the conveying system
FIG. 4 is a schematic view of a filter plate assembly
FIG. 5 is a schematic view of a filter roll
FIG. 6 is a schematic side view of a filter roll
FIG. 7 is a cross-sectional view of a belt
In the figure, 1 machine frame, 2 plate frame systems, 3 filter pressing systems, 4 conveying systems, 5 backflushing systems, 6 control systems, 11 left vertical plate supports, 12 right vertical plate supports, 13 cross beams, 14 guide rails, 15 ultrahigh pressure oil cylinders, 16 mud feeding hoppers, 17 mud discharging hoppers, 18 mud scraping plates, 21 first plate frame frameworks, 22 second plate frame frameworks, 23 third plate frame frameworks, 24 rollers, 31 filter rollers, 32 filter belts, 33 support plates, 34 jacks, 35 water receiving tanks, 311 synchronizing gears, 321 belt holes, 322 mesh holes, 331 pressure roller bearings, 41 driving roller sets, 42 upper conveying systems, 43 lower conveying systems, 44 mud feeding rollers, 45 mud discharging rollers, 411 driving rollers, 412 driven rollers, 413 synchronizing chains, 421 upper filter cloth, 422 tensioning roller sets, 431 lower filter cloth, 432 lower tensioning roller sets, 51 upper backflushing devices, 52 lower backflushing devices
Detailed Description
The invention is further described with reference to the following figures and specific embodiments. The technical solutions in the embodiments of the present invention are clearly and completely described, and the described embodiments are only some embodiments, but not all embodiments of the present invention. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative effort belong to the protection scope of the present invention.
As shown in fig. 1, 2 and 3, the invention discloses an embodiment of an ultrahigh pressure sludge belt type dehydrator, which comprises a frame 1, a plate frame system 2, a filter pressing system 3, a conveying system 4 and a back flushing system 5.
The frame 1 is of a frame structure and comprises a left vertical plate support 11 and a right vertical plate support 12, the two vertical plate supports are connected through two cross beams 13, and the two cross beams 13 are respectively connected to the middle parts of the two sides of the two vertical plate supports. The plate frame system 2 comprises a vertical plate frame structure consisting of 3 plate frame frameworks, namely a first plate frame framework 21, a second plate frame framework 22 and a third plate frame framework 23, wherein the 3 plate frame frameworks are sequentially arranged from left to right in the rack 1, and the outer side surfaces of the first plate frame framework 21 and the third plate frame framework 23 on two sides are respectively connected with the left vertical plate support 11 and the right vertical plate support 12 on two sides of the rack 1 through the ultrahigh pressure oil cylinder 15. The left side and the right side of the second plate frame framework 22 are respectively connected with the first plate frame framework 21 and the third plate frame framework 23 through jacks. Guide rails 14 are respectively arranged on two cross beams 13 of the frame 1 in the direction of extension, idler wheels 24 are respectively arranged in the middle parts of two sides of 3 plate frame frameworks, and the idler wheels 24 on the two sides are respectively positioned in the guide rails 14 of the cross beams 13 on the two sides and can roll along the guide rails 14.
The filter pressing system 3 is arranged in the plate frame system 2 and comprises 3 filter plate groups, wherein the first filter plate group, the second filter plate group and the third filter plate group are respectively arranged, the 3 filter plate groups are correspondingly arranged in 3 plate frame frameworks, and a water receiving groove 35 is arranged below each filter plate group. The same side ends of the 3 groups of water tanks 35 are declined together and connected on the water collecting tank.
As shown in fig. 4, the filter plate group includes two filter rollers 31, a filter belt 32 and a support frame, the two filter rollers 31 are respectively fixed at the upper and lower ends of the frame through bearings and are respectively connected with a servo motor, and the filter belt 32 bypasses the two filter rollers 31. The support frame is positioned at the inner side of the filter belt 32 and respectively supports the belt bodies at the two sides of the filter belt 32 outwards. The support frame comprises two support plates 33, the two support plates 33 are connected through a jack 34, two ends of the jack 34 are respectively connected to the centers of the two support plates 33, the jack 34 is connected with two sides of the plate frame framework through a connecting rod, a row of pressure roller bearings 331 are respectively embedded on the outer side plate surfaces of the two support plates 33, and the filter belt 32 is supported through the pressure roller bearings 331.
As shown in fig. 5, 6 and 7, the filter belt 32 is provided with meshes 322 uniformly and is provided with a vertical water passing trough. The filter belt 32 is provided with holes 321 on two sides thereof. Two ends of the filter roller 31 are respectively provided with a synchronous gear 311, the belt holes 321 on two side edges of the filter belt 32 are respectively matched with the synchronous gears 311 on two ends of the filter roller 31, and the belt holes 321 of the filter belt 32 are sleeved on the gear teeth of the synchronous gears 311. The filter belt 32 is connected with the synchronous gears 311 at the two ends of the filter roller 31 through the belt holes 321 at the two sides, so that the filter belt can always keep rotating synchronously with the filter roller 31.
The conveying system 4 includes an upper conveying system 42, a lower conveying system 43, and a drive roller group 41. The upper conveying system 42 comprises an upper filter cloth 421 and an upper tensioning roller set 422, the upper filter cloth 421 passes around the upper tensioning roller set 422, and the upper tensioning roller set 422 comprises two bright roller shafts and is positioned on the upper side of the machine frame 1. The lower conveyor system 43 comprises a lower filter cloth 431 and a lower set of tensioning rollers 432, the lower filter cloth 431 passing around the lower set of tensioning rollers 432 and the lower set of tensioning rollers 432 also comprising two rollers, located at the lower side of the frame 1. The driving roller group 41 is positioned at the lower side of the filter pressing system 3 and comprises a driving roller 411 and a driven roller 412, the driving roller 411 is connected with a driving motor, and the driving roller 411 and the driven roller 412 are connected through a synchronous chain 413. The front side of the frame 1 is provided with a mud inlet roller 44 at the lower side of the mud inlet hopper 16, and the rear side is provided with a mud outlet roller 45 at the upper side of the mud outlet hopper. The upper filter cloth 421 and the lower filter cloth 431 are overlapped at the mud inlet roller 44, and both of them pass through the driving roller 411 downwards, pass through the space between the first filter plate group and the second filter plate group upwards, pass through the space between the second filter plate group and the third filter plate group downwards, pass through the driven roller 412 and then upwards, and are separated at the mud outlet roller 45. The sludge outlet hopper 17 is provided with sludge scraping plates 18 at the separation part of the upper filter cloth 421 and the lower filter cloth 431, the two sludge scraping plates 18 respectively abut against the cloth surfaces of the upper filter cloth 421 and the lower filter cloth 431, sludge which is pressed and pasted on the filter cloth after dehydration is scraped off and falls into the sludge outlet hopper 17.
The backflushing system 5 includes an upper backflushing device 51 at an upper side of the frame 1 and a lower backflushing device 52 at a lower side of the frame 1, an upper filter cloth 421 passes through the upper backflushing device 51, and a lower filter cloth 431 passes through the lower backflushing device 431. The backflushing device can wash the filter cloth after sludge scraping and removing, and the filter cloth can still keep good water permeability in continuous work.
Meanwhile, the ultrahigh pressure sludge belt type dehydrator is provided with a control system 6 for controlling motors, back flushing devices and the like in the dehydrator.
Sludge is dehydrated by an ultrahigh pressure sludge belt type dehydrator after being pre-concentrated and subjected to high pressure wall breaking treatment, so that the sludge is dehydrated and dried under the condition of normal temperature and continuous ultrahigh pressure, and the method comprises the following specific steps:
1. after the control system is started, sludge is subjected to pre-concentration and high-pressure wall breaking treatment through a sludge pump, then is delivered to a sludge inlet hopper of a super-ultrahigh pressure sludge belt type dehydrator frame, and is spread between upper filter cloth and lower filter cloth;
2. the sludge enters a filter pressing system through a conveying system, the sludge is repeatedly pressed by an ultrahigh pressure oil cylinder under the pressure of more than 10MPa to be pressed, filtrate is simultaneously leaked out of meshes of a filter belt and then is guided by a water receiving tank, and the water content of the sludge is rapidly reduced;
3. the filter plate of the filter pressing system supports and extrudes sludge in the middle of the filter cloth, and the water content of the sludge after multiple dehydration is 50-60%;
4. the control system realizes the transmission of the filter cloth conveyer belt through the driving system and the filter roll, automatically transports sludge to the sludge outlet hopper, and simultaneously sprays water at high pressure by the upper and lower back flushing devices of the back flushing system to flush the upper and lower filter cloth, thereby being beneficial to continuously ensuring the sludge dewatering efficiency.
The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, which is defined by the appended claims and the description of the invention.
Claims (8)
1. The ultrahigh pressure sludge belt type dehydrator is characterized by comprising a rack, a plate frame system, a filter pressing system and a conveying system, wherein the rack is of a frame structure, the plate frame system is a vertical plate frame structure formed by 3 plate frame frameworks and respectively comprises a first plate frame framework, a second plate frame framework and a third plate frame framework, the 3 plate frame frameworks are sequentially arranged in the rack, the outer side surfaces of the first plate frame framework and the third plate frame framework on two sides are respectively connected with two sides of the rack through ultrahigh pressure hydraulic devices, and two sides of the second plate frame framework are respectively connected with the first plate frame framework and the third plate frame framework through telescopic assemblies; the filter pressing system is arranged in the plate frame system and comprises 3 filter plate groups, namely a first filter plate group, a second filter plate group and a third filter plate group, wherein the 3 filter plate groups are correspondingly arranged in 3 plate frame frameworks, a water receiving tank is arranged below each filter plate group, each filter plate group comprises two filter rollers, a filter belt and a support frame, the two filter rollers are respectively fixed at the upper end and the lower end of each plate frame framework through bearings and are respectively connected with a servo motor, the filter belt bypasses the two filter rollers, the support frame is positioned at the inner side of the filter belt and respectively outwards supports against two side belt bodies of the filter belt, and the support frame is connected with the plate frame frameworks through a connecting rod; conveying system includes conveying system, lower conveying system and drive roller set, it includes filter cloth and last tensioning roller set to go up conveying system, it is located the upside of frame to go up the tensioning roller set, lower conveying system includes filter cloth and lower tensioning roller set down, tensioning roller set is located the downside of frame down, the drive roller set is located the downside of filter-pressing system, including drive roll and driven voller, drive roll and driven voller pass through synchronous chain and connect, the front side of frame is provided with into the mud roller, and the rear side is provided with out the mud roller, go up the filter cloth and lower filter cloth and locate the coincidence at advancing the mud roller, walk around the drive roll jointly downwards, follow again and upwards pass after upwards passing between first filter plate group and the second filter plate group downwards between second filter plate group and the third filter plate group, walk around again upwards behind the driven voller, separate in a mud roller department.
2. The ultra-high pressure sludge belt dehydrator according to claim 1, wherein the dehydrator is provided with a backflushing system comprising an upper backflushing system located at an upper side of the frame and a lower backflushing system located at a lower side of the frame, the upper filter cloth passing through the upper backflushing system, and the lower filter cloth passing through the lower backflushing system.
3. The ultra-high pressure sludge belt dehydrator according to claim 2, wherein the filter belt is uniformly provided with meshes and vertical water passing grooves, two sides of the filter belt are respectively provided with uniformly arranged belt holes, two ends of the filter roller are respectively provided with a synchronizing gear, the belt holes on the two sides of the filter belt are respectively matched with the gear teeth of the synchronizing gear, and the belt holes on the two sides of the filter belt are sleeved on the gear teeth of the synchronizing gear.
4. The ultra-high pressure sludge belt dehydrator according to claim 3, wherein the supporting frame of the filter plate group comprises two supporting plates, the two supporting plates are connected through a jack, two ends of the jack are respectively connected to the centers of the two supporting plates, the jack is connected with two sides of the plate frame framework through a connecting rod, and a row of pressure roller bearings for supporting the filter belt are respectively embedded on the outer side plate surfaces of the two supporting plates.
5. The ultra-high pressure sludge belt dehydrator according to claim 4, wherein the front side of the frame is provided with a sludge inlet hopper on the upper side of the sludge inlet roller, the rear side of the frame is connected with a sludge outlet hopper on the lower side of the sludge outlet roller, the sludge outlet hopper is respectively provided with sludge scrapers at the separation of the upper filter cloth and the lower filter cloth, and the two sludge scrapers respectively abut against the cloth surfaces of the upper filter cloth and the lower filter cloth.
6. The ultra-high pressure sludge belt dehydrator according to claim 5, wherein the frame comprises a left vertical plate support and a right vertical plate support, the two vertical plate supports are connected through two cross beams, the two cross beams are respectively connected to the middle parts of two sides of the two vertical plate supports, the left vertical plate support is connected with the first plate frame framework through an ultra-high pressure hydraulic device, and the right vertical plate support is connected with the third plate frame framework through an ultra-high pressure hydraulic device.
7. The ultra-high pressure sludge belt dehydrator according to claim 6, wherein two beams are respectively provided with a guide rail in the extending direction, the outer parts of two sides of 3 plate frame frameworks are respectively provided with a roller, and the rollers at two sides are respectively positioned in the guide rails of the beams at two sides and can roll along the guide rails.
8. The ultra-high pressure sludge belt dehydrator according to claim 7, wherein the same side ends of the 3 sets of water tanks are inclined downwards synchronously and are connected with the water collecting tank together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110490814.8A CN113045170A (en) | 2021-05-06 | 2021-05-06 | Ultrahigh pressure sludge belt type dehydrator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110490814.8A CN113045170A (en) | 2021-05-06 | 2021-05-06 | Ultrahigh pressure sludge belt type dehydrator |
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| CN113045170A true CN113045170A (en) | 2021-06-29 |
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| CN202110490814.8A Pending CN113045170A (en) | 2021-05-06 | 2021-05-06 | Ultrahigh pressure sludge belt type dehydrator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113648711A (en) * | 2021-09-08 | 2021-11-16 | 中环煜森(北京)环保科技有限公司 | Vertical double-layer filter cloth circulating filter pressing system and filter pressing method thereof |
| CN116239281A (en) * | 2022-12-19 | 2023-06-09 | 山东明基环保设备有限公司 | Sewage purifying treatment equipment |
-
2021
- 2021-05-06 CN CN202110490814.8A patent/CN113045170A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113648711A (en) * | 2021-09-08 | 2021-11-16 | 中环煜森(北京)环保科技有限公司 | Vertical double-layer filter cloth circulating filter pressing system and filter pressing method thereof |
| CN113648711B (en) * | 2021-09-08 | 2024-06-11 | 中环煜森(北京)环保科技有限公司 | Vertical double-layer filter cloth circulating filter pressing system and filter pressing method thereof |
| CN116239281A (en) * | 2022-12-19 | 2023-06-09 | 山东明基环保设备有限公司 | Sewage purifying treatment equipment |
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