CN109231761A - A kind of pretreatment unit of sludge cleaning - Google Patents
A kind of pretreatment unit of sludge cleaning Download PDFInfo
- Publication number
- CN109231761A CN109231761A CN201810995971.2A CN201810995971A CN109231761A CN 109231761 A CN109231761 A CN 109231761A CN 201810995971 A CN201810995971 A CN 201810995971A CN 109231761 A CN109231761 A CN 109231761A
- Authority
- CN
- China
- Prior art keywords
- drainage
- sludge
- filter device
- stabilizer blade
- filter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000010802 sludge Substances 0.000 title claims abstract description 75
- 238000004140 cleaning Methods 0.000 title claims abstract description 17
- 239000003381 stabilizer Substances 0.000 claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 230000003750 conditioning effect Effects 0.000 claims abstract description 20
- 239000000126 substance Substances 0.000 claims abstract description 16
- 230000008676 import Effects 0.000 claims abstract description 9
- 238000001914 filtration Methods 0.000 claims description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- 239000003818 cinder Substances 0.000 claims description 7
- 239000000741 silica gel Substances 0.000 claims description 7
- 229910002027 silica gel Inorganic materials 0.000 claims description 7
- 238000007781 pre-processing Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000002420 orchard Substances 0.000 description 1
- 238000005067 remediation Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000003516 soil conditioner Substances 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Classifications
-
- 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
- C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a kind of pretreatment units of sludge cleaning, including bracket and rack-mount pre-conditioning stage；The bracket includes vertical cylinder stabilizer blade and inclined square column stabilizer blade；Hollow drainage lumens are equipped among the pre-conditioning stage；The drainage lumens side is equipped with sludge import；Chamber lid is equipped at the top of the drainage lumens；Chemicals dosing plant is equipped at the top of the chamber lid；Filter device is equipped in the bracket；The filter device side is equipped with drainage plate；The drainage plate is equipped with drainage trough；The drainage trough is equipped with through-hole；The drainage trench bottom is equipped with sludge containment vessel；The filter device bottom is equipped with seeping container.The present invention is by pre-processing sludge, the water content in sludge is reduced, to reduce the cost of transport sludge and reduce working strength, while the workload of sludge dewatering equipment can be reduced again, it is more convenient for processing of staff's later period to sludge, improves comprehensive utilization ratio.
Description
Technical field
The present invention relates to sludge treatment field, and in particular to a kind of pretreatment unit of sludge cleaning.
Background technique
In recent decades, with the high speed development in our national cities and social economy, the municipal drainage basis in China is set
The construction applied has been made significant headway.And in the fast development process of sewage treatment capacity, the intermediate of sewage treatment is produced
The processing of object sludge is also critically important.The method of Treatment of Sludge mainly has the land use of landfill, burning and diversified forms.Sludge soil
Ground utilize because small investment, low energy consumption, operating cost is low, organic moiety can be converted to soil conditioner ingredient the advantages that, be considered
It is a kind of disposal options for most having development potentiality.This disposal options are that sludge is applied to farmland, vegetable plot, orchard, meadow, city
The land remediation of political affairs greening, seedling medium and serious disturbance and reconstruction etc..Scientific and reasonable land use can reduce sludge and bring
Negative effect.
It needs to handle sludge before sludge landfill characteristics, water, the harmful substance etc. in sludge is removed.And
Generally directly sludge is carried out dehydrating using sludge dewatering equipment in existing Treatment of Sludge, then dewatered sludge is carried out
The removal of peculiar smell and harmful substance is handled, and is not pre-processed to sludge, is increased working time and the work of sludge dewatering equipment
It measures.
Summary of the invention
It is pre-processed in view of the above-mentioned problems, the present invention provides two blocks of a kind of pair of sludge, when reducing the work of dewaterer
Between, the pretreatment unit of the good sludge cleaning of dehydrating effect.
To achieve the goals above, technical scheme is as follows: a kind of pretreatment unit of sludge cleaning, including branch
Frame and rack-mount pre-conditioning stage；The bracket includes vertical cylinder stabilizer blade and inclined square column stabilizer blade；Institute
Hollow drainage lumens are equipped among the pre-conditioning stage stated；The drainage lumens side is equipped with sludge import；The drainage lumens
Top is equipped with chamber lid；Chemicals dosing plant is equipped at the top of the chamber lid；Filter device is equipped in the bracket；The filtering dress
It sets one end to be connected on cylinder stabilizer blade, the other end is connected on square column stabilizer blade；The filter device is set to the lower section of drainage lumens；
The filter device side is equipped with drainage plate；The drainage plate is mounted on the side of square column stabilizer blade；On the drainage plate
Equipped with drainage trough；The drainage trough is equipped with through-hole；The drainage trench bottom is equipped with sludge containment vessel；The filter device
Bottom is equipped with seeping container.
The present invention advanced optimizes, and the filter device is to be in tilted layout；The filter device includes coarse filter
And fine filtrator；The coarse filter is set to above fine filtrator；The inclined least significant end of the coarse filter and drainage plate
Top is concordant；The inclined least significant end of the fine filtrator is concordant with through-hole；The coarse filter is sandstone filter screen；It is described
Fine filtrator be cinder filtration net.By above-mentioned policy, inclined filter device plays water conservancy diversion and filter effect, filter
Use sandstone and cinder for main filtering material, at low cost, filter effect is good.
The present invention advanced optimizes, and the cross section of the drainage lumens is hollow cone；The drainage lumens inlay card
On pre-conditioning stage；The drainage lumens outer surface is equipped with anti-skidding silica gel.By the above-mentioned means, drainage lumens inlay card is pre-processing
It on platform, is easy for installation and removal, when anti-skidding silica gel inlay card of drainage lumens is less likely to occur to deviate.
The present invention advanced optimizes, and is additionally provided with convex block on the square column stabilizer blade；The convex block is along inclined square column
The outer surface of stabilizer blade is evenly arranged；The convex block is at least five pieces.By the above-mentioned means, convex block can play the work of staircase
With maintenance personnel being made to climb up pre-conditioning stage, carry out replacement coagulator and maintenance work.
The present invention advanced optimizes, and V-type drainage block is respectively equipped on the coarse filter and fine filtrator；Described draws
Stream block is rectangular or sheet；The coarse filter and fine filtrator is with a thickness of 20cm-25cm.By the above-mentioned means, V-type drains
Block can further drain sludge.
The present invention advanced optimizes, and the chemicals dosing plant includes that the rectangular of dosing sets chamber, pipeline and water level sensor；Institute
The chamber of setting stated is connected to by pipeline with drainage lumens；The pipeline is equipped with solenoid valve；The water level sensor is set to and sets chamber
It is interior；Alarm lamp is additionally provided on the outside of the drainage lumens；The alarm lamp is connect with water level sensor.By the above-mentioned means, water
Intracavitary coagulator capacity is set in position inductor induction, and when coagulator capacity is reduced to a certain extent, alarm lamp plays the work of prompt
With.
The working principle of the invention: sludge water enters drainage lumens from sludge import, and the chemicals dosing plant in chamber lid is by coagulator
It is drained in drainage lumens and reacts solidification sludge with sludge water, sludge water is drained to filter device by drainage lumens, and filter device will
Sludge and water is filtered, and water instills in seeping container from filter device bottom, and sludge is filtered from filter device, and sludge is from drainage
The drainage trough of plate is drained in sludge containment vessel, realizes the pretreatment of sludge cleaning.
The present invention has the advantage that and has the beneficial effect that:
1. the present invention reduces the water content in sludge, to reduce the cost of transport sludge by pre-processing to sludge
With reduction working strength, working efficiency is improved, while the workload of sludge dewatering equipment can be reduced again, be more convenient for after staff
Processing of the phase to sludge, improves comprehensive utilization ratio.
2. the configuration of the present invention is simple, practical, inclined filter device, while playing water conservancy diversion and filter effect, filtering
Device uses sandstone and cinder for main filtering material, at low cost, and filter effect is good.
3. drainage lumens inlay card of the present invention is easy for installation and removal on pre-conditioning stage, the anti-skidding silica gel inlay card of drainage lumens
When be less likely to occur to deviate.
4. operation of the present invention is convenient, at low cost, it is easy to promote in the same industry.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention.
Serial number and corresponding title in figure:
1- cylinder stabilizer blade, 2- pre-conditioning stage, 3- drainage lumens, 4- sludge import, 5- chamber lid, 6- chemicals dosing plant, 7- square column stabilizer blade,
8- convex block, 9- drainage plate, 10- through-hole, 11- drainage trough, 12- sludge containment vessel, 13- seeping container, 14- coarse filter, the thin mistake of 15-
Filter, 16- drain block.
Specific embodiment
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments:
Embodiment 1:
As shown in Figure 1, a kind of pretreatment unit of sludge cleaning, including bracket and rack-mount pre-conditioning stage 2；Institute
The bracket stated includes vertical cylinder stabilizer blade 1 and inclined square column stabilizer blade 7；It is equipped among the pre-conditioning stage 2 hollow
Drainage lumens 3；3 side of drainage lumens is equipped with sludge import 4；Chamber lid 5 is equipped at the top of the drainage lumens 3；The chamber lid 5
Top is equipped with chemicals dosing plant 6；Filter device is equipped in the bracket；Described filter device one end is connected to cylinder stabilizer blade 1
On, the other end is connected on square column stabilizer blade 7；The filter device is set to the lower section of drainage lumens 3；The filter device side
Equipped with drainage plate 9；The drainage plate 9 is mounted on the side of square column stabilizer blade 7；The drainage plate 9 is equipped with drainage trough 11；Institute
The drainage trough 11 stated is equipped with through-hole 10；11 bottom of drainage trough is equipped with sludge containment vessel 12；The filter device bottom
Equipped with seeping container 13.
The filter device is to be in tilted layout；The filter device includes coarse filter 14 and fine filtrator 15；Institute
The coarse filter 14 stated is set to 15 top of fine filtrator；The inclined least significant end of coarse filter 14 and 9 top horizontal of drainage plate
Together；The inclined least significant end of fine filtrator 15 is concordant with through-hole 10；The coarse filter 14 is sandstone filter screen；It is described
Fine filtrator 15 be cinder filtration net.
The drainage lumens 3 are hollow cone；3 inlay card of drainage lumens is on pre-conditioning stage 2；Described draws
It flows 3 outer surface of chamber and is equipped with anti-skidding silica gel.
Convex block 8 is additionally provided on the square column stabilizer blade 7；The convex block 8 is equal along the outer surface of inclined square column stabilizer blade 7
Even arrangement；The convex block 8 is five pieces.
V-type drainage block 16 is respectively equipped on the coarse filter 14 and fine filtrator 15；The drainage block 16 is side
Shape or sheet；The coarse filter 14 and fine filtrator 15 is with a thickness of 20cm.
The chemicals dosing plant 6 includes that the rectangular of dosing sets chamber, pipeline and water level sensor；The chamber of setting passes through pipeline
It is connected to drainage lumens 3；The pipeline is equipped with solenoid valve；The water level sensor is intracavitary set on setting；The drainage lumens 3
Outside is additionally provided with alarm lamp；The alarm lamp is connect with water level sensor.
Of the invention working principle: sludge water enters drainage lumens 3 from sludge import 4, and the chemicals dosing plant 6 in chamber lid 5 will coagulate
Gu agent, which is drained in drainage lumens 3, reacts solidification sludge with sludge water, sludge water is drained to filter device by drainage lumens 3, filters
Sludge and water is filtered by device, and water instills in seeping container 13 from filter device bottom, and sludge is filtered from filter device, dirty
Mud is drained in sludge containment vessel 12 from the drainage trough 11 of drainage plate 9, realizes the pretreatment of sludge cleaning.
Embodiment 2:
As shown in Figure 1, a kind of pretreatment unit of sludge cleaning, including bracket and rack-mount pre-conditioning stage 2；Institute
The bracket stated includes vertical cylinder stabilizer blade 1 and inclined square column stabilizer blade 7；It is equipped among the pre-conditioning stage 2 hollow
Drainage lumens 3；3 side of drainage lumens is equipped with sludge import 4；Chamber lid 5 is equipped at the top of the drainage lumens 3；The chamber lid 5
Top is equipped with chemicals dosing plant 6；Filter device is equipped in the bracket；Described filter device one end is connected to cylinder stabilizer blade 1
On, the other end is connected on square column stabilizer blade 7；The filter device is set to the lower section of drainage lumens 3；The filter device side
Equipped with drainage plate 9；The drainage plate 9 is mounted on the side of square column stabilizer blade 7；The drainage plate 9 is equipped with drainage trough 11；Institute
The drainage trough 11 stated is equipped with through-hole 10；11 bottom of drainage trough is equipped with sludge containment vessel 12；The filter device bottom
Equipped with seeping container 13.
The filter device is to be in tilted layout；The filter device includes coarse filter 14 and fine filtrator 15；Institute
The coarse filter 14 stated is set to 15 top of fine filtrator；The inclined least significant end of coarse filter 14 and 9 top horizontal of drainage plate
Together；The inclined least significant end of fine filtrator 15 is concordant with through-hole 10；The coarse filter 14 is sandstone filter screen；It is described
Fine filtrator 15 be cinder filtration net.
The drainage lumens 3 are hollow cone；3 inlay card of drainage lumens is on pre-conditioning stage 2；Described draws
It flows 3 outer surface of chamber and is equipped with anti-skidding silica gel.
Convex block 8 is additionally provided on the square column stabilizer blade 7；The convex block 8 is equal along the outer surface of inclined square column stabilizer blade 7
Even arrangement；The convex block 8 is six pieces.
V-type drainage block 16 is respectively equipped on the coarse filter 14 and fine filtrator 15；The drainage block 16 is side
Shape or sheet；The coarse filter 14 and fine filtrator 15 is with a thickness of 25cm.
The chemicals dosing plant 6 includes that the rectangular of dosing sets chamber, pipeline and water level sensor；The chamber of setting passes through pipeline
It is connected to drainage lumens 3；The pipeline is equipped with solenoid valve；The water level sensor is intracavitary set on setting；The drainage lumens 3
Outside is additionally provided with alarm lamp；The alarm lamp is connect with water level sensor.
Embodiment 2 is identical as the working principle of embodiment 1.
Embodiment 3:
As shown in Figure 1, an a kind of pretreatment unit for sludge cleaning, including bracket and rack-mount pre-conditioning stage 2；
The bracket includes vertical cylinder stabilizer blade 1 and inclined square column stabilizer blade 7；It is equipped among the pre-conditioning stage 2 hollow
Drainage lumens 3；3 side of drainage lumens is equipped with sludge import 4；Chamber lid 5 is equipped at the top of the drainage lumens 3；The chamber
Chemicals dosing plant 6 is equipped at the top of lid 5；Filter device is equipped in the bracket；Described filter device one end is connected to cylinder branch
On foot 1, the other end is connected on square column stabilizer blade 7；The filter device is set to the lower section of drainage lumens 3；The filter device
Side is equipped with drainage plate 9；The drainage plate 9 is mounted on the side of square column stabilizer blade 7；The drainage plate 9 is equipped with drainage trough
11；The drainage trough 11 is equipped with through-hole 10；11 bottom of drainage trough is equipped with sludge containment vessel 12；The filter device
Bottom is equipped with seeping container 13.
The filter device is to be in tilted layout；The filter device includes coarse filter 14 and fine filtrator 15；Institute
The coarse filter 14 stated is set to 15 top of fine filtrator；The inclined least significant end of coarse filter 14 and 9 top horizontal of drainage plate
Together；The inclined least significant end of fine filtrator 15 is concordant with through-hole 10；The coarse filter 14 is sandstone filter screen；It is described
Fine filtrator 15 be cinder filtration net.
The drainage lumens 3 are hollow cone；3 inlay card of drainage lumens is on pre-conditioning stage 2；Described draws
It flows 3 outer surface of chamber and is equipped with anti-skidding silica gel.
Convex block 8 is additionally provided on the square column stabilizer blade 7；The convex block 8 is equal along the outer surface of inclined square column stabilizer blade 7
Even arrangement；The convex block 8 is seven pieces.
V-type drainage block 16 is respectively equipped on the coarse filter 14 and fine filtrator 15；The drainage block 16 is side
Shape or sheet；The coarse filter 14 and fine filtrator 15 is with a thickness of 22cm.
The chemicals dosing plant 6 includes that the rectangular of dosing sets chamber, pipeline and water level sensor；The chamber of setting passes through pipeline
It is connected to drainage lumens 3；The pipeline is equipped with solenoid valve；The water level sensor is intracavitary set on setting；The drainage lumens 3
Outside is additionally provided with alarm lamp；The alarm lamp is connect with water level sensor.
Embodiment 3 is identical as the working principle of embodiment 1.
Embodiment 4:
4 difference from Example 1 of embodiment is: the drainage block 16 is sheet.
Obviously, above-described embodiment is just for the sake of clearly illustrating examples made by the present invention, and is not the limit to implementation
It is fixed.For the those of ordinary skill in the field, it can also make on the basis of the above description other various forms of
Variation changes.There is no need and unable to all embodiment party's formulas with exhaustion.And it thus amplifies out obvious
Variation or variation are still in the protection scope of this invention.
Claims (6)
1. a kind of pretreatment unit of sludge cleaning, which is characterized in that including bracket and rack-mount pre-conditioning stage
(2)；The bracket includes vertical cylinder stabilizer blade (1) and inclined square column stabilizer blade (7)；In the pre-conditioning stage (2)
Between be equipped with hollow drainage lumens (3)；Drainage lumens (3) side is equipped with sludge import (4)；At the top of the drainage lumens (3)
Equipped with chamber lid (5)；Chemicals dosing plant (6) are equipped at the top of the chamber lid (5)；Filter device is equipped in the bracket；Described
Filter device one end is connected on cylinder stabilizer blade (1), and the other end is connected on square column stabilizer blade (7)；The filter device is set to
The lower section of drainage lumens (3)；The filter device side is equipped with drainage plate (9)；The drainage plate (9) is mounted on square column stabilizer blade
(7) side；The drainage plate (9) is equipped with drainage trough (11)；The drainage trough (11) is equipped with through-hole (10)；It is described
Drainage trough (11) bottom be equipped with sludge containment vessel (12)；The filter device bottom is equipped with seeping container (13).
2. a kind of pretreatment unit of sludge cleaning according to claim 1, which is characterized in that the filter device is
It is in tilted layout；The filter device includes coarse filter (14) and fine filtrator (15)；The coarse filter (14) is set to
Above fine filtrator (15)；Coarse filter (14) the inclined least significant end is concordant at the top of drainage plate (9)；The thin mistake
Filter (15) inclined least significant end is concordant with through-hole (10)；The coarse filter (14) is sandstone filter screen；The thin mistake
Filter (15) is cinder filtration net.
3. a kind of pretreatment unit of sludge cleaning according to claim 1, which is characterized in that the drainage lumens (3)
For hollow cone；Drainage lumens (3) inlay card is on pre-conditioning stage (2)；Described drainage lumens (3) outer surface is equipped with
Anti-skidding silica gel.
4. a kind of pretreatment unit of sludge cleaning according to claim 1, which is characterized in that the square column stabilizer blade
(7) convex block (8) are additionally provided on；The convex block (8) is evenly arranged along the outer surface of inclined square column stabilizer blade (7)；Described
Convex block (8) is at least five pieces.
5. a kind of pretreatment unit of sludge cleaning according to claim 2, which is characterized in that the coarse filter
(14) and on fine filtrator (15) it is respectively equipped with V-type drainage block (16)；The drainage block (16) is rectangular or sheet；Described
Coarse filter (14) and fine filtrator (15) are with a thickness of 20cm-25cm.
6. a kind of pretreatment unit of sludge cleaning according to claim 1, which is characterized in that the chemicals dosing plant
It (6) include that the rectangular of dosing sets chamber, pipeline and water level sensor；The chamber of setting is connected to by pipeline with drainage lumens (3)；It is described
Pipeline be equipped with solenoid valve；The water level sensor is intracavitary set on setting；Alarm is additionally provided on the outside of the drainage lumens (3)
Lamp；The alarm lamp is connect with water level sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810995971.2A CN109231761A (en) | 2018-08-29 | 2018-08-29 | A kind of pretreatment unit of sludge cleaning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810995971.2A CN109231761A (en) | 2018-08-29 | 2018-08-29 | A kind of pretreatment unit of sludge cleaning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109231761A true CN109231761A (en) | 2019-01-18 |
Family
ID=65069402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810995971.2A Pending CN109231761A (en) | 2018-08-29 | 2018-08-29 | A kind of pretreatment unit of sludge cleaning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109231761A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205275431U (en) * | 2015-12-31 | 2016-06-01 | 天津雨昌环保工程有限公司 | Dual sludge dewatering environmental protection equipment |
| CN205917153U (en) * | 2016-07-15 | 2017-02-01 | 浙江纯蓝环境科技有限公司 | Be applied to preprocessing device of mud clearance |
| CN209210606U (en) * | 2018-08-29 | 2019-08-06 | 玉林市凯政环保科技有限公司 | A kind of pretreatment unit of sludge cleaning |
-
2018
- 2018-08-29 CN CN201810995971.2A patent/CN109231761A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205275431U (en) * | 2015-12-31 | 2016-06-01 | 天津雨昌环保工程有限公司 | Dual sludge dewatering environmental protection equipment |
| CN205917153U (en) * | 2016-07-15 | 2017-02-01 | 浙江纯蓝环境科技有限公司 | Be applied to preprocessing device of mud clearance |
| CN209210606U (en) * | 2018-08-29 | 2019-08-06 | 玉林市凯政环保科技有限公司 | A kind of pretreatment unit of sludge cleaning |
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Application publication date: 20190118 |