CN108005170A - A kind of double water source water plant - Google Patents
A kind of double water source water plant Download PDFInfo
- Publication number
- CN108005170A CN108005170A CN201711239032.7A CN201711239032A CN108005170A CN 108005170 A CN108005170 A CN 108005170A CN 201711239032 A CN201711239032 A CN 201711239032A CN 108005170 A CN108005170 A CN 108005170A
- Authority
- CN
- China
- Prior art keywords
- water
- chamber
- intake
- inlet
- pump
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 253
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910001220 stainless steel Inorganic materials 0.000 claims description 14
- 239000010935 stainless steel Substances 0.000 claims description 14
- 238000004062 sedimentation Methods 0.000 claims description 3
- 238000010926 purge Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract 1
- 230000000903 blocking effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B5/00—Use of pumping plants or installations; Layouts thereof
- E03B5/02—Use of pumping plants or installations; Layouts thereof arranged in buildings
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B7/00—Water main or service pipe systems
- E03B7/07—Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons, valves, in the pipe systems
Abstract
The present invention relates to a kind of double water source water plant, water plant is equipped with two independent intake chambers and two independent pump chambers, wherein the first intake chamber is equipped with two the first water inlets, and the first water inlet is connected by first, second water intake valve with common water source water inlet end respectively；Second intake chamber is equipped with an overflow chamber, is equipped with spilling water water inlet in overflow chamber, spilling water water inlet is connected with alternate source water inlet end；The second inlet valve is connected between overflow chamber and the second intake chamber；It is connected between two independent the first pump chambers of pump chamber and the second pump chamber by the 4th inlet valve, is connected between the first intake chamber and the second intake chamber by the 3rd inlet valve；It is connected respectively by valve body between first intake chamber and the first pump house, between the second intake chamber and the second pump house.Double intake chambers and double pump room structures can be switched over arbitrarily between two kinds of water sources, and the operational efficiency and security for without influencing whole water inlet process, improving water factory can also be carried out maintenance on any intake chamber or pump house.
Description
Technical field
The present invention relates to pump house technical field, specifically a kind of double water source water plant, it is particularly possible to realize two kinds
Water source is spare each other, the pump house switched mutually.
Background technology
In order to improve the water supply security of water factory, water factory is generally supplied water using double water source.General double water source, which can enter, regulates and stores
Reservoir is adjusted, and subsequently into water plant, when water factory's land used is limited, and can not set regulating reservoir, two water sources are with regard to straight
Tap into water plant, two-way water source in water inlet water level, influent quality, amount of inlet water all there are different changes, therefore, it is necessary to
The rational engineering measure reply above problem.
Meanwhile for the water factory of a water plant is only set, when accident, which occurs, in water plant needs maintenance, then
Water intaking closing could be overhauled, influence the water intaking work of water factory, can also be affected to follow-up water supply, because
This, in the market is badly in need of wanting one kind conveniently to carry out double water source water intaking, while two water plants of independent operation.
The content of the invention
It is an object of the invention to provide a kind of improved double water source water plant, it can overcome two water in the prior art
Source is directly entered water plant, can not effectively adjust the influent quality at two water sources and the deficiency of water.
To achieve these goals, the technical scheme is that：A kind of double water source water plant, the double water source are
Common water source and alternate source, it is characterised in that：The water plant is equipped with two independent intake chambers and two independent
Pump chamber, wherein the first intake chamber is equipped with two the first water inlets, first water inlet passes through first, second water intake valve respectively
It is connected with common water source water inlet end；
Second intake chamber is equipped with an overflow chamber, and the overflow chamber is arranged at one jiao of the second intake chamber, is equipped with and overflows in overflow chamber
Water water inlet, the spilling water water inlet are connected with alternate source water inlet end；
Between the overflow chamber and the second intake chamber by can the second inlet valve of open and close be connected；
Two independent pump chambers are respectively the first pump chamber and the second pump chamber, pass through the 4th water inlet between the first pump chamber and the second pump chamber
Valve is connected, and is connected between the first intake chamber and the second intake chamber by the 3rd inlet valve；
It is connected respectively by valve body between first intake chamber and the first pump house, between the second intake chamber and the second pump house.
Preferably, the second intake chamber is equipped with the second water inlet, and second water inlet is arranged at the outer of the second intake chamber
Side-walls, the second water inlet are connected by the 3rd water intake valve with common water source water inlet end；
The overflow chamber is separated by an overflow plate and the second intake chamber.
Further, four water pumps being set up in parallel are equipped with the first pump house, the pump outlet is connected with sedimentation basin；
Three water pumps being set up in parallel are equipped with second pump house.
Further, the area of the first intake chamber is more than the area of the second intake chamber.
Further, second inlet valve shares two, and two the second inlet valves are juxtaposed on overflow plate, and two
A second inlet valve is respectively arranged at overflow chamber's height of water level 2/3 and at height of water level 1/3.
Further, the overflow plate includes stainless steel water inlet weir plate and stainless steel platen, stainless steel water inlet
Weir plate and stainless steel platen are secured by bolts in the side-walls of overflow chamber, and the top side wall is equipped with a chamfering, the chamfering
Angular range be 20-45 degree, which is engaged with overflow plate.
Relative to the prior art, technical scheme further includes many details except the improvement of overall technical architecture
The improvement of aspect, specifically, has the advantages that：
1st, improvement project of the present invention, equipped with two independent intake chambers and two independent pump houses, while the two into
It can be interconnected again between hydroecium and pump house, you can intake, can also needed using the water inlet at common water source
To use and switch in time during alternate source, while other equipment operates as usual, improves the work efficiency of water plant；
2nd, in technical scheme, when amount of inlet water changes, if common water source water exceedes water requirement,
Using the water inlet pipe of alternate source as overflow pipe, unnecessary water is overflowed into alternate source, it is ensured that water intaking it is effective
Carry out, avoid wasting and system surpasses water level operation, ensure the safe and reliable of operation；
3rd,, can be with when one of intake chamber or pump house break down invention enhances integrally-built maintainability
Suspend the work of this intake chamber or pump house at any time, while do not influence water inlet and pump house water outlet water supply so that during overhaul of the equipments,
Water plant remains to be normally carried out work, accomplishes that maintenance is not shut down, is brought conveniently to regular maintenance；
4th, alternate source for a long time without blocking, sets backwash dress to the present invention on alternate source water inlet pipe in order to prevent
Put, blockage problem can be solved by rinsing.
Brief description of the drawings
Fig. 1 is the structure diagram of the present invention.
Fig. 2 is the close-up schematic view of the overflow plate of the present invention.
Reference numeral：
1 first intake chamber, 2 second intake chambers, 3 first pump houses, 4 second pump houses；
21 overflow chambers, 22 overflow plates；
The first water intake valves of V1a, the second water intake valves of V1b, the 3rd water intake valves of V1c；
The second inlet valves of V2a, the second inlet valves of V2b；
The 3rd inlet valves of V3, the 4th inlet valves of V4, the 5th inlet valves of V5, the 6th inlet valves of V6；
31 first water pumps, 32 second water pumps, 33 the 3rd water pumps, 34 the 4th water pumps；
41 the 5th water pumps, 42 the 6th water pumps, 43 the 7th water pumps；
221 stainless steel water inlet weir plates, 222 stainless steel weights, 223 bolts.
Embodiment
Technical scheme is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's all other embodiments obtained without making creative work, belong to the scope of protection of the invention.
The present invention provides a kind of double water source water plant, referring specifically to Fig. 1, the double water source is common water source and standby
With water source, its difference with the prior art is：The water plant is equipped with two independent intake chambers and two independent
Pump chamber, wherein the first intake chamber is equipped with two the first water inlets, first water inlet passes through first, second water intake valve respectively
It is connected with common water source water inlet end；Second intake chamber is equipped with an overflow chamber, and the overflow chamber is arranged at the one of the second intake chamber
Angle, is equipped with spilling water water inlet in overflow chamber, the spilling water water inlet is connected with alternate source water inlet end, that is to say, that first into
Hydroecium can only be intake by common water source, and the second intake chamber can according to circumstances select common water source or alternate source into
Water；
Optionally, between the overflow chamber and the second intake chamber by can the second inlet valve of open and close be connected, it is spare when selecting
When water source acts on water inlet, overflow chamber is then connected with the second intake chamber, ensures the water inlet of water factory, meanwhile, spilling water here
Room can also reverse spilling water,, can be with if common water source water exceedes the water consumption needed when amount of inlet water changes
Using the water inlet of alternate source as overflow pipe, unnecessary water is overflowed by overflow chamber；
Two independent pump chambers are respectively the first pump chamber and the second pump chamber, pass through the 4th water inlet between the first pump chamber and the second pump chamber
Valve is connected, and is connected between the first intake chamber and the second intake chamber by the 3rd inlet valve；Between first intake chamber and the first pump house,
It is connected respectively by valve body between second intake chamber and the second pump house.This connection mode ensures two independent intake chambers and two
A independent pump chamber individually can effectively run and it is multiple be effectively used cooperatively, water inlet route also have a plurality of selection and change,
It ensure that the safe for operation, stable of whole water plant.
In one embodiment, the second intake chamber is equipped with the second water inlet, second water inlet be arranged at second into
At the lateral wall of hydroecium, the second water inlet is connected by the 3rd water intake valve with common water source water inlet end, this allows for the second water inlet
Room can select dual water inlet water source, and when the first intake chamber needs to carry out maintenance, the second intake chamber can just serve as in time
The effect of one intake chamber, when common water source is contaminated or other situations cannot be fetched water, the second intake chamber just can be from
Alternate source carries out water inlet work so that the operation of whole water factory will not be affected.In order to ensure to intake and fetch water
Everything goes well with your work carries out, and the ratio between the memory space volume of the second intake chamber and the memory space volume of overflow chamber are 5:1.
Meanwhile the overflow chamber is separated by an overflow plate and the second intake chamber, the overflow plate and level
Face is in the angle of the angle, preferably 30 degree of 20-45 degree.Here overflow launder is provided with overflow plate, can guarantee that into water or overflow
Effective progress of water.Further, the overflow launder is divided into top overflow launder, middle part overflow launder and bottom overflow launder, wherein in
Portion's overflow launder and bottom overflow launder are equipped with slidable cover board, and closure under normal circumstances does not have to, and needs to liquidate in a special case
Current can also use top overflow launder standard-sized sheet, middle part overflow for the impact force of overflow plate, while the quick speed for increasing overflow
Half-open, bottom overflow launder opens 1/3rd mode, so can guarantee that circulation so that water can quickly, steadily enter overflow launder.
Further, the cylindrical trough body structure of overflow launder, is not arranged in parallel between columned groove body and overflow plate here, groove
The angle of 5-10 is equipped between body and overflow plate, ensures smooth in water flow during overflow, will not flash.The overflow plate includes stainless
Steel water inlet weir plate and stainless steel platen, the stainless steel water inlet weir plate and stainless steel platen are secured by bolts in overflow chamber
Side-walls, the chamfering are engaged with overflow plate.
Further, second inlet valve shares two, and two the second inlet valves are juxtaposed on overflow plate, and two
A second inlet valve is respectively arranged at overflow chamber's height of water level 2/3 and at height of water level 1/3.Thus can by it is different into
Water valve controls the ga ge relation between overflow chamber and the second intake chamber, ensures that the effective of water inlet carries out in order.
, can when one of intake chamber or pump house break down invention enhances integrally-built maintainability
To suspend the work of this intake chamber or pump house at any time, while water inlet and pump house water outlet water supply are not influenced so that overhaul of the equipments
When, water plant remains to be normally carried out work, accomplishes that maintenance is not shut down, is brought conveniently to regular maintenance.
In another embodiment, be equipped with four water pumps being set up in parallel in the first pump house, the pump outlet and
Sedimentation basin is connected；Three water pumps being set up in parallel are equipped with second pump house.Meanwhile first intake chamber area be more than second water inlet
The area of room.Two-way water source（Common water source and alternate source）When water inlet water level changes, the pump efficiency point of water plant
It will change, it is therefore desirable to work efficiency is improved in the form of variable frequency pump；When amount of inlet water changes, if main water
When source water exceedes water requirement, using the water inlet pipe of alternate source as overflow pipe, unnecessary water is overflowed into alternate source；
Backwash dress is equipped with to prevent alternate source for a long time without blocking, between the water inlet end and spilling water water inlet of alternate source
Put, blockage problem can be solved by rinsing；Water plant is divided into two independent lattice, when one intake chamber of water plant or
When one pump house is overhauled, another intake chamber and another pump house can be with normal operations.
In a specific embodiment, water plant operating scheme is as follows：
When water level reaches design water level when main suit, water source water inlet water inlet tube is commonly used, opens the first water intake valve V1a, the second water intaking
Valve V1c, the 3rd inlet valve V3, the 4th inlet valve V4, the 5th inlet valve V5 valves, close the second water intake valve V1b, the second inlet valve
V2a and V2b, the 6th inlet valve V6,7 water pumps 4 are standby with 3, normal operation.
When using alternate source, the second inlet valve V2a and V2b, the 3rd inlet valve V3, the 4th inlet valve V4, the are opened
Five inlet valve V5, close the second water intake valve V1b, the first water intake valve V1a, the 3rd water intake valve V1c, the 6th inlet valve V6,7 water pumps
It is available for this water factory, since water level is relatively low, water pump operation is standby with 2 for 5.
When other water factories need Emergency water supply, water source water inlet water inlet tube is commonly used, the first water intake valve V1a of unlatching, the 3rd take
Water valve V1c, the 3rd inlet valve V3, the 4th inlet valve V4, the 5th inlet valve V5, the 6th water inlet V6 valves, close the second water intake valve
V1b, the second inlet valve V2a and V2b, 7 water pumps work together, wherein 4 water pumps give this Water Works, in addition 3 water pumps are given
Other water factory's Emergency water supplys.
When accident occur in the second intake chamber lattice, the first water intake valve V1a, the second water intake valve V1b valves are opened, closes the 3rd
Water intake valve V1c, the second inlet valve V2a and V2b, the 3rd inlet valve V3, the 4th inlet valve V4, the water inlets of the 5th inlet valve V5 and the 6th
Valve V6, overhauls the second intake chamber.
When accident occurs in the first intake chamber, the 3rd water intake valve V1c, the second inlet valve V2a and V2b are opened, closes first
Water intake valve V1a, the second water intake valve V1b, the 3rd inlet valve V3 and the 4th inlet valve V4, overhaul the first intake chamber.
When alternate source pipeline blocks, open back purge system in water valve V7a, V7b, using flushing pipe into
Row rinses.
Above content is that a further detailed description of the present invention in conjunction with specific preferred embodiments, it is impossible to is assert
Present invention specific implementation is confined to these above-mentioned explanations.For general technical staff of the technical field of the invention,
Without departing from the inventive concept of the premise, some simple deduction or replace can also be made, should all be considered as belonging to the present invention
Protection domain.
Claims (7)
1. a kind of double water source water plant, the double water source is common water source and alternate source, it is characterised in that：Described takes
Pump house is equipped with two independent intake chambers and two independent pump chambers, wherein the first intake chamber is equipped with two the first water inlets,
First water inlet is connected by first, second water intake valve with common water source water inlet end respectively；
Second intake chamber is equipped with an overflow chamber, and the overflow chamber is arranged at one jiao of the second intake chamber, is equipped with and overflows in overflow chamber
Water water inlet, the spilling water water inlet are connected with alternate source water inlet end；
Between the overflow chamber and the second intake chamber by can the second inlet valve of open and close be connected；
Two independent pump chambers are respectively the first pump chamber and the second pump chamber, pass through the 4th water inlet between the first pump chamber and the second pump chamber
Valve is connected, and is connected between the first intake chamber and the second intake chamber by the 3rd inlet valve；
It is connected respectively by valve body between first intake chamber and the first pump house, between the second intake chamber and the second pump house.
A kind of 2. double water source water plant according to claim 1, it is characterised in that：Second intake chamber is equipped with the second water inlet
Mouthful, second water inlet is arranged at the lateral wall of the second intake chamber, and the second water inlet is by the 3rd water intake valve with commonly using
Water source water inlet end is connected；
The overflow chamber is separated by an overflow plate and the second intake chamber.
A kind of 3. double water source water plant according to claim 1, it is characterised in that：Four are equipped with first pump house side by side
The water pump of setting, the pump outlet are connected with sedimentation basin；
Three water pumps being set up in parallel are equipped with second pump house.
A kind of 4. double water source water plant according to claim 1, it is characterised in that：The area of first intake chamber is more than the
The area of two intake chambers.
A kind of 5. double water source water plant according to claim 2, it is characterised in that：Second inlet valve shares two
A, two the second inlet valves are juxtaposed on overflow plate, and two the second inlet valves are respectively arranged at overflow chamber's height of water level 2/3
At place and height of water level 1/3.
A kind of 6. double water source water plant according to claim 1, it is characterised in that：The water inlet end and spilling water of alternate source
Back purge system is equipped between water inlet.
A kind of 7. double water source water plant according to claim 2, it is characterised in that：The overflow plate includes stainless steel
Water inlet weir plate and stainless steel platen, the stainless steel water inlet weir plate and stainless steel platen are secured by bolts in the side of overflow chamber
At wall, the top side wall is equipped with a chamfering, and the angular range of the chamfering is 20-45 degree, which is engaged with overflow plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711239032.7A CN108005170A (en) | 2017-11-30 | 2017-11-30 | A kind of double water source water plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711239032.7A CN108005170A (en) | 2017-11-30 | 2017-11-30 | A kind of double water source water plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108005170A true CN108005170A (en) | 2018-05-08 |
Family
ID=62055342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711239032.7A Pending CN108005170A (en) | 2017-11-30 | 2017-11-30 | A kind of double water source water plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108005170A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108980506A (en) * | 2018-08-24 | 2018-12-11 | 上海市政工程设计研究总院（集团）有限公司 | A kind of pipeline bidirectional booster system |
| CN113774997A (en) * | 2021-08-12 | 2021-12-10 | 国网河北省电力有限公司 | Water supply equipment and method for humidifying archival repository |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004238825A (en) * | 2003-02-04 | 2004-08-26 | Yamadai Kiden Kk | Water supply system in water works |
| TWM443031U (en) * | 2012-06-13 | 2012-12-11 | Univ Vanung | Retention basin quantities drainage device |
| CN205296295U (en) * | 2015-12-09 | 2016-06-08 | 郭智源 | Incessant water supply system |
| CN205839870U (en) * | 2016-06-06 | 2016-12-28 | 湖南中崛水设备股份有限公司 | Integration wisdom pump house equipment |
| CN106499006A (en) * | 2016-12-26 | 2017-03-15 | 四川电力设计咨询有限责任公司 | Partly water plant xoncrete structure and its construction method under water |
| CN207739321U (en) * | 2017-11-30 | 2018-08-17 | 上海市政工程设计研究总院（集团）有限公司 | A kind of double water source water plant |
-
2017
- 2017-11-30 CN CN201711239032.7A patent/CN108005170A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004238825A (en) * | 2003-02-04 | 2004-08-26 | Yamadai Kiden Kk | Water supply system in water works |
| TWM443031U (en) * | 2012-06-13 | 2012-12-11 | Univ Vanung | Retention basin quantities drainage device |
| CN205296295U (en) * | 2015-12-09 | 2016-06-08 | 郭智源 | Incessant water supply system |
| CN205839870U (en) * | 2016-06-06 | 2016-12-28 | 湖南中崛水设备股份有限公司 | Integration wisdom pump house equipment |
| CN106499006A (en) * | 2016-12-26 | 2017-03-15 | 四川电力设计咨询有限责任公司 | Partly water plant xoncrete structure and its construction method under water |
| CN207739321U (en) * | 2017-11-30 | 2018-08-17 | 上海市政工程设计研究总院（集团）有限公司 | A kind of double water source water plant |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108980506A (en) * | 2018-08-24 | 2018-12-11 | 上海市政工程设计研究总院（集团）有限公司 | A kind of pipeline bidirectional booster system |
| CN108980506B (en) * | 2018-08-24 | 2022-04-01 | 上海市政工程设计研究总院（集团）有限公司 | Two-way supercharging system of pipeline |
| CN113774997A (en) * | 2021-08-12 | 2021-12-10 | 国网河北省电力有限公司 | Water supply equipment and method for humidifying archival repository |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108005170A (en) | A kind of double water source water plant | |
| CN113221247B (en) | Optimization calculation method for ballast water allocation of full-rotation crane ship | |
| US20160083951A1 (en) | Overflow chamber for emission of rainwater and soil | |
| KR102505704B1 (en) | Aquaculture system that can be operated as a water flow and circulating filtration farm | |
| CN108482580A (en) | Ballasting system, floating dock and floating dock system | |
| CN207739321U (en) | A kind of double water source water plant | |
| CN208065925U (en) | Integrated water treatment process system | |
| CN205500944U (en) | Seawater desalting device | |
| CN207723127U (en) | A kind of overflow water washing cylinder water-saving system | |
| CN206549279U (en) | A kind of circular type for environment protection type mechanical grate foul remover | |
| CN211912875U (en) | V-shaped filter tank with water production tank arranged below filter tank | |
| CN202315710U (en) | Siphonic immersion type ultrafiltration membrane pool | |
| CN214763502U (en) | Multistage sedimentation device for blast furnace granulated slag system | |
| CN206844227U (en) | A kind of static pressure blocks facility | |
| US20200308819A1 (en) | Cooling Apparatus of Regulating Tank | |
| CN102659241A (en) | Air-lift circulation type membrane-bioreactor with membrane assembly unit capable of being independently cleaned | |
| US20200308020A1 (en) | Regulating Tank of Wastewater Treatment System | |
| CN208762238U (en) | A kind of three-dimensional modularized artificial wetland | |
| CN210145584U (en) | Water filtration equipment for hydraulic engineering | |
| CN111320218A (en) | Gravity water distribution device for water treatment and water distribution method thereof | |
| CN208911521U (en) | A kind of combined regulation concentration basin | |
| CN207176901U (en) | A kind of optionally integrated pump water seal pump erecting device of functional module | |
| CN207713486U (en) | A kind of ceramics MBR equipment | |
| CN201762470U (en) | Parent chute of surface treatment production line | |
| CN206289102U (en) | Gravity flow sewage collection system can be reviewed |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |