CN107694156A - A kind of boat form settlement of sewage processing unit - Google Patents
A kind of boat form settlement of sewage processing unit Download PDFInfo
- Publication number
- CN107694156A CN107694156A CN201711200758.XA CN201711200758A CN107694156A CN 107694156 A CN107694156 A CN 107694156A CN 201711200758 A CN201711200758 A CN 201711200758A CN 107694156 A CN107694156 A CN 107694156A
- Authority
- CN
- China
- Prior art keywords
- boat form
- form housing
- mud
- boat
- plate
- 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.)
- Granted
Links
- 239000010865 sewage Substances 0.000 title claims abstract description 27
- 238000001556 precipitation Methods 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000003756 stirring Methods 0.000 claims abstract description 14
- 238000004140 cleaning Methods 0.000 claims description 11
- 239000002351 wastewater Substances 0.000 claims description 11
- 238000009428 plumbing Methods 0.000 claims description 10
- 238000000926 separation method Methods 0.000 abstract description 4
- 230000000903 blocking effect Effects 0.000 abstract 1
- 239000010802 sludge Substances 0.000 description 11
- 210000002683 foot Anatomy 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000004062 sedimentation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000009288 screen filtration Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/0012—Settling tanks making use of filters, e.g. by floating layers of particulate material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/0006—Settling tanks provided with means for cleaning and maintenance
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/0039—Settling tanks provided with contact surfaces, e.g. baffles, particles
- B01D21/0042—Baffles or guide plates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/0039—Settling tanks provided with contact surfaces, e.g. baffles, particles
- B01D21/0045—Plurality of essentially parallel plates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/02—Settling tanks with single outlets for the separated liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/245—Discharge mechanisms for the sediments
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Sewage (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses a kind of boat form settlement of sewage processing unit.It is that horizontal baffle, vertical baffle and word guide plate have been respectively fixedly connected with boat form housing, and boat form enclosure interior will be separated into precipitation chamber, lead mud chamber, collect cavity and mud collecting cavity；Water-guiding hole is offered on horizontal baffle between precipitation chamber and collect cavity, screen pack is provided with the horizontal baffle of corresponding water-guiding hole, stirs provided with spoil disposal above screen pack, is provided with the lower sidewall of boat form housing and drives spoil disposal to stir the motor held together；Mudhole is opened up on vertical baffle, block plate is movably equipped with vertical baffle side；Opened up on the horizontal baffle led between mud chamber and mud collecting cavity and lead mud hole；Drainpipe is communicated with the boat form housing bottom of corresponding collect cavity；Discharge pipeline is communicated with the boat form housing bottom of corresponding mud collecting cavity.Boat form housing compact of the present invention, novel and reasonable structure, mud-water separation is preferable, and spoil disposal is reliably without blocking pipeline, sewage treating efficiency height.
Description
Technical field
The present invention relates to the stillpot that will be separated with sedimentation in suspended solid particles from liquid, especially a kind of boat form is dirty
Water sedimentation processing unit.
Background technology
Sewage disposal is that it is purified for the water quality requirement for making sewage reach a certain water body of draining or reuse
Process, it is each that sewage disposal is widely used in building, agricultural, traffic, the energy, petrochemical industry, environmental protection, urban landscape, medical treatment, food and drink etc.
Individual field.Sedimentation basin is a kind of purification apparatus that suspension in water removal is removed using precipitation, and it is in the treatment of waste water
It is widely used.Existing small-scale sewage processing uses integrated oxidation ditch sewage treatment process, the equipment for separating liquid from solid master of the technique
There is boat form settler, but existing boat form settler generally existing hull housing volume is big, design is unreasonable, sludge is easy
The phenomenon of pipeline is blocked, and then reduces sewage treating efficiency, and treatment effect is undesirable.
The content of the invention
Pipeline is easily blocked in order to overcome the shortcomings of that existing boat form settler has housing greatly and designs unreasonable, sludge,
It is an object of the invention to provide it is a kind of it is simple in construction, easy to operate, mud-water separation is preferable, the boat form sewage that does not block pipeline sinks
Shallow lake processing unit.
To achieve the above object, the present invention provides following technical scheme：A kind of boat form settlement of sewage processing unit, it includes
The boat form housing and a support frame of one closing, described boat form housing are supported on support frame, it is characterised in that：In described ship
A horizontal baffle is fixedly connected with sandwich type element, a vertical baffle is fixedly connected with the boat form housing above horizontal baffle, in water
A word guide plate, described horizontal splitter plate, vertical baffle, herringbone water conservancy diversion are fixedly connected with boat form housing below flat partition board
Boat form enclosure interior is separated into a precipitation chamber, one leads mud chamber, a collect cavity and a mud collecting cavity by plate；Precipitation chamber and collect cavity it
Between horizontal baffle on offer some water-guiding holes, screen pack is being provided with the horizontal baffle of corresponding water-guiding hole, on screen pack
Side stirs provided with a spoil disposal, and being provided with one in the lower sidewall of the boat form housing of corresponding precipitation chamber drives spoil disposal to stir the motor held together,
The side wall upper part of the boat form housing of corresponding precipitation chamber is communicated with plumbing for waste water, fixes and connects at the top of the boat form housing of corresponding precipitation chamber
Fixed plate is connected to, some reduction of speed plates are connected with the fixed plate；Stirred in corresponding spoil disposal on the vertical baffle held together and open up a spoil disposal
Hole, block plate is movably equipped with side of the vertical baffle away from precipitation chamber, and boat form housing is stretched out in the upper end of the block plate
Top；One is opened up on the horizontal baffle led between mud chamber and mud collecting cavity and leads mud hole；At the bottom of the boat form housing of corresponding collect cavity
Portion is communicated with drainpipe；Discharge pipeline is communicated with the bottom of the boat form housing of corresponding mud collecting cavity.
Preferably, cleaning pump is fixed with the top of described boat form housing, the cleaning pipe of described cleaning pump runs through ship
The precipitation intracavitary away from plumbing for waste water is extended at the top of sandwich type element.
Preferably, described reduction of speed plate is no less than four, the length of described reduction of speed plate from away from plumbing for waste water by closely to far according to
Secondary increase.
Preferably, draining control valve, spoil disposal control valve are correspondingly provided with respectively on described drainpipe and discharge pipeline.
Preferably, it is fixedly connected with handle in the upper end of described block plate.
Preferably, it is fixedly connected with non-skid feet in the bottom of described support frame.
The present invention in boat form housing by being fixedly connected with horizontal baffle, vertical baffle and word guide plate, and by boat form
Enclosure interior is separated into precipitation chamber, leads mud chamber, collect cavity and mud collecting cavity, its boat form housing compact, novel and reasonable structure；
Some water-guiding holes are offered on horizontal baffle between precipitation chamber and collect cavity, were provided with the horizontal baffle of corresponding water-guiding hole
Filter screen, stir provided with spoil disposal above screen pack, being provided with one in the lower sidewall of boat form housing drives spoil disposal to stir the motor held together, dirty
Water is stirred by it through vertical after sludge accumulation by discharging into collect cavity through water-guiding hole after filter screen filtration by motor driving spoil disposal
Mudhole on dividing plate, which pushes to, leads mud chamber, then is sent into mud collecting cavity discharge through the mud hole of leading on horizontal baffle.With prior art phase
Than the present invention is easy for operation, and mud-water separation is preferable and orderly, spoil disposal is reliable, will not cause sludge blockage pipeline, effectively
Improve the efficiency of sewage disposal.
Brief description of the drawings
Fig. 1 is a kind of structure sectional view of the present invention；
Fig. 2 is the A direction views in Fig. 1.
Marked in figure：1. boat form housing, 101. precipitation chambers, 102. lead mud chamber, 103. collect cavities, 104. mud collecting cavities, 2.
Support, 3. discharge pipelines, 4. mud valves, 5. word guide plates, 6. drainpipes, 7. draining valves, 8. non-skid feets, 9. horizontal baffles,
10. water-guiding hole, 11. screen packs, 12. motors, 13. spoil disposals stir, 14. plumbing for waste water, 15. reduction of speed plates, 16. fixed plates, 17. cleanings
Pump, 18. cleaning pipes, 19. vertical baffles, 20. block plates, 21. mudholes, 22. lead mud hole, 23. handles.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
In Fig. 1, a kind of boat form settlement of sewage processing unit, it includes the support frame 2 of boat form housing 1 and one of a closing.
As shown in figure 1, boat form housing 1 is supported on support frame 2.
As shown in figure 1, it is fixedly connected with non-skid feet 8 in the bottom of support frame 2.The setting of non-skid feet 8 can increase
The overall stability of equipment, effectively prevents support frame 2 from sliding and causing sewage infall process to be affected.
In Fig. 1, a horizontal baffle 9 is fixedly connected with boat form housing 1, in the boat form housing 1 above horizontal baffle 9
A vertical baffle 19 is fixedly connected with, a word guide plate 5 is fixedly connected with the boat form housing 1 below horizontal baffle 9.Such as Fig. 1
Shown, horizontal splitter plate 9, vertical baffle 19, word guide plate 5 will be separated into a precipitation chamber 101, one and lead inside boat form housing 1
Mud chamber 102, a collect cavity 103 and a mud collecting cavity 104.
In Fig. 1, some water-guiding holes 10 are offered on the horizontal baffle 1 between precipitation chamber 101 and collect cavity 103,
The horizontal baffle 9 of corresponding water-guiding hole 10 is provided with screen pack 11.By the setting of screen pack 11 less particle can be avoided straight
Connect water-guiding hole 10 to enter in collect cavity 103, and ensure that the efficiency of settlement of sewage.
As shown in figure 1, stir 13 provided with a spoil disposal above screen pack 11, in the corresponding boat form housing 1 for precipitating chamber 101
Lower sidewall is provided with a motor 12, and the motor 12 driving spoil disposal stirs 13.
In Fig. 1, it is communicated with plumbing for waste water 14 in the side wall upper part of the boat form housing 1 of corresponding precipitation chamber 101.
As shown in figure 1, being fixedly connected with fixed plate 16 at the top of the boat form housing 1 of corresponding precipitation chamber 101, fixed at this
Four reduction of speed plates 15 are connected with plate 16.
In order to realize the orderly reduction of speed of reduction of speed plate 15, the length of reduction of speed plate 15 from away from plumbing for waste water 14 by closely to far increasing successively
Add.
In Fig. 1, a mudhole 21 is opened up on the vertical baffle 19 that corresponding spoil disposal stirs 13.
As shown in figure 1, it is movably equipped with block plate 20, and the block in side of the vertical baffle 19 away from precipitation chamber 101
The top of boat form housing 1 is stretched out in the upper end of plate 20.
In order to facilitate operation, the stability of the lifting of raising block plate and step-down operation, as shown in Fig. 2 in block plate 20
Upper end is fixedly connected with handle 23.
In Fig. 1, open up one on the horizontal baffle 10 led between mud chamber 102 and mud collecting cavity 104 and lead mud hole 22.
In order to realize the discharge of water and sludge, in Fig. 1, it is communicated with the bottom of the boat form housing 1 of corresponding collect cavity 103
Drainpipe 6；Discharge pipeline 3 is communicated with the bottom of the boat form housing 1 of corresponding mud collecting cavity 104.
In order to realize discharge in order to water and sludge, draining control valve is correspondingly provided with respectively on drainpipe 6 and discharge pipeline 3
7th, spoil disposal control valve 4.
Precipitation chamber 101 is cleaned in order to realize, as shown in figure 1, being fixed with cleaning pump at the top of boat form housing 1
17, the cleaning pipe 18 of cleaning pump 17 is extended in precipitation chamber 101 through the top of boat form housing 1, and is cleaned residing for pipe 18
It is located away from plumbing for waste water 14.
Sewage in use, be sent in the precipitation chamber 101 of boat form housing 1, then by the present invention by plumbing for waste water 14 first
The mobility of sewage is reduced in the presence of reduction of speed plate 15, then sewage is settled in precipitation chamber 101, a part of water
Divide and dropped to by screen pack 11, water-guiding hole 10 in collect cavity 103, discharged by drainpipe 6；Sludge after settlement of sewage is in mistake
Accumulated on filter screen 11, drive spoil disposal to stir 13 rotations using motor 12 and sludge is pushed near vertical baffle 19；Open envelope
Baffle plate 20, sludge is displaced into through mudhole 21 under the push effect that spoil disposal stirs 13 in leading mud chamber 102, sludge is again through level
Mud hole 22 of leading on dividing plate 9 is imported into mud collecting cavity 104, is most discharged afterwards through discharge pipeline 3.
The present invention is easy for operation, and mud-water separation is preferable and orderly, and spoil disposal is reliable, will not cause sludge blockage pipeline,
The efficiency high of sewage disposal.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of boat form settlement of sewage processing unit, it includes the boat form housing and a support frame of a closing, described boat form shell
Body is supported on support frame, it is characterised in that：A horizontal baffle is fixedly connected with described boat form housing, on horizontal baffle
A vertical baffle is fixedly connected with the boat form housing of side, a herringbone water conservancy diversion is fixedly connected with the boat form housing below horizontal baffle
Plate, described horizontal splitter plate, vertical baffle, word guide plate by boat form enclosure interior be separated into a precipitation chamber, one lead mud chamber,
One collect cavity and a mud collecting cavity；Some water-guiding holes are offered on horizontal baffle between precipitation chamber and collect cavity, are led corresponding
The horizontal baffle in water hole is provided with screen pack, stirs provided with a spoil disposal above screen pack, in the boat form housing of corresponding precipitation chamber
Lower sidewall be provided with a driving spoil disposal and stir the motor held together, be communicated with the side wall upper part of the boat form housing of corresponding precipitation chamber into dirt
Pipe, fixed plate is fixedly connected with the top of the boat form housing of corresponding precipitation chamber, some reduction of speed plates are connected with the fixed plate；
Stirred in corresponding spoil disposal on the vertical baffle held together and open up a mudhole, block is movably equipped with side of the vertical baffle away from precipitation chamber
Plate, and the top of boat form housing is stretched out in the upper end of the block plate；Opened up on the horizontal baffle led between mud chamber and mud collecting cavity
One leads mud hole；Drainpipe is communicated with the bottom of the boat form housing of corresponding collect cavity；At the bottom of the boat form housing of corresponding mud collecting cavity
Portion is communicated with discharge pipeline.
A kind of 2. boat form settlement of sewage processing unit according to claim 1, it is characterised in that：In described boat form housing
Top be fixed with cleaning pump, it is heavy away from plumbing for waste water that the cleaning pipe of described cleaning pump extends at the top of boat form housing
Shallow lake intracavitary.
A kind of 3. boat form settlement of sewage processing unit according to claim 1, it is characterised in that：Described reduction of speed plate is many
In four, the length of described reduction of speed plate from away from plumbing for waste water by closely to far increasing successively.
A kind of 4. boat form settlement of sewage processing unit according to claim 1, it is characterised in that：Described drainpipe with
Draining control valve, spoil disposal control valve are correspondingly provided with discharge pipeline respectively.
A kind of 5. boat form settlement of sewage processing unit according to claim 1, it is characterised in that：In described block plate
Upper end is fixedly connected with handle.
A kind of 6. boat form settlement of sewage processing unit according to claim 1, it is characterised in that：In described support frame
Bottom is fixedly connected with non-skid feet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711200758.XA CN107694156B (en) | 2017-11-27 | 2017-11-27 | Ship type sewage precipitation treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711200758.XA CN107694156B (en) | 2017-11-27 | 2017-11-27 | Ship type sewage precipitation treatment device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107694156A true CN107694156A (en) | 2018-02-16 |
| CN107694156B CN107694156B (en) | 2023-12-22 |
Family
ID=61185489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711200758.XA Active CN107694156B (en) | 2017-11-27 | 2017-11-27 | Ship type sewage precipitation treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107694156B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108671591A (en) * | 2018-05-23 | 2018-10-19 | 黎剑鸣 | A kind of new-type inclined tube detention tank |
| CN108704340A (en) * | 2018-06-19 | 2018-10-26 | 张素平 | A kind of small ship type sedimentation tank device for treating sewage |
| CN108726724A (en) * | 2018-05-28 | 2018-11-02 | 绍兴市松陵造船有限责任公司 | A kind of processing tapping equipment of the daily sewage of freighter |
| CN114538724A (en) * | 2022-03-03 | 2022-05-27 | 中铁五局集团第一工程有限责任公司 | Deodorization device |
| CN114607834A (en) * | 2022-03-31 | 2022-06-10 | 中交水利水电建设有限公司 | Pipeline vertical jacking construction method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2004122096A (en) * | 2002-10-04 | 2004-04-22 | Moyai:Kk | Method and apparatus for dehydrating sludge |
| CN2788883Y (en) * | 2004-12-28 | 2006-06-21 | 茂名学院 | Integrated bend channel multi-dipper settling tank |
| JP2010104881A (en) * | 2008-10-29 | 2010-05-13 | Takuma Co Ltd | Rotary drum type sludge concentration device |
| KR20100113236A (en) * | 2009-04-13 | 2010-10-21 | 주식회사 대협이앤지 | Screen apparatus which removes sludge from wastewater |
| CN204502572U (en) * | 2015-01-21 | 2015-07-29 | 苏州市和源环保科技有限公司 | A kind of sewage crossing current precipitation integral box |
| CN105693062A (en) * | 2016-01-26 | 2016-06-22 | 江苏赛欧环保设备有限公司 | Sludge dewatering device |
| CN205528350U (en) * | 2016-01-28 | 2016-08-31 | 邵小提 | Hybrid -type sludge dewatering equipment |
| WO2016187926A1 (en) * | 2015-05-25 | 2016-12-01 | 安徽天健环保股份有限公司 | Intelligent processing equipment for kitchen waste and operation method therefor |
| CN207462730U (en) * | 2017-11-27 | 2018-06-08 | 山东赛恩环保设备有限公司 | A kind of boat form settlement of sewage processing unit |
-
2017
- 2017-11-27 CN CN201711200758.XA patent/CN107694156B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004122096A (en) * | 2002-10-04 | 2004-04-22 | Moyai:Kk | Method and apparatus for dehydrating sludge |
| CN2788883Y (en) * | 2004-12-28 | 2006-06-21 | 茂名学院 | Integrated bend channel multi-dipper settling tank |
| JP2010104881A (en) * | 2008-10-29 | 2010-05-13 | Takuma Co Ltd | Rotary drum type sludge concentration device |
| KR20100113236A (en) * | 2009-04-13 | 2010-10-21 | 주식회사 대협이앤지 | Screen apparatus which removes sludge from wastewater |
| CN204502572U (en) * | 2015-01-21 | 2015-07-29 | 苏州市和源环保科技有限公司 | A kind of sewage crossing current precipitation integral box |
| WO2016187926A1 (en) * | 2015-05-25 | 2016-12-01 | 安徽天健环保股份有限公司 | Intelligent processing equipment for kitchen waste and operation method therefor |
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| CN205528350U (en) * | 2016-01-28 | 2016-08-31 | 邵小提 | Hybrid -type sludge dewatering equipment |
| CN207462730U (en) * | 2017-11-27 | 2018-06-08 | 山东赛恩环保设备有限公司 | A kind of boat form settlement of sewage processing unit |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108671591A (en) * | 2018-05-23 | 2018-10-19 | 黎剑鸣 | A kind of new-type inclined tube detention tank |
| CN108726724A (en) * | 2018-05-28 | 2018-11-02 | 绍兴市松陵造船有限责任公司 | A kind of processing tapping equipment of the daily sewage of freighter |
| CN108704340A (en) * | 2018-06-19 | 2018-10-26 | 张素平 | A kind of small ship type sedimentation tank device for treating sewage |
| CN114538724A (en) * | 2022-03-03 | 2022-05-27 | 中铁五局集团第一工程有限责任公司 | Deodorization device |
| CN114607834A (en) * | 2022-03-31 | 2022-06-10 | 中交水利水电建设有限公司 | Pipeline vertical jacking construction method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107694156B (en) | 2023-12-22 |
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