CN107938824A - A kind of remote vacuum high speed water discharge method - Google Patents
A kind of remote vacuum high speed water discharge method Download PDFInfo
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- CN107938824A CN107938824A CN201711370656.2A CN201711370656A CN107938824A CN 107938824 A CN107938824 A CN 107938824A CN 201711370656 A CN201711370656 A CN 201711370656A CN 107938824 A CN107938824 A CN 107938824A
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- tank body
- vacuum pump
- high speed
- remote
- pump
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/22—Adaptations of pumping plants for lifting sewage
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/14—Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Sewage (AREA)
Abstract
The invention discloses a kind of remote vacuum high speed water discharge method, it will be connected between fault-tolerant tank and main vacuum pump by pipeline one, fault-tolerant tank is connected to municipal sewage pipe network by pipeline two, main vacuum pump is connected at municipal sewage treatment by pipeline three, and backing vacuum pump is connected by pipeline four and fault-tolerant tank;During work, first start backing vacuum pump, led to the sewage of remote city sewage network in fault-tolerant tank and main vacuum pump by pipeline two, turn off backing vacuum pump, open main vacuum pump and continue draining, so as to fulfill remote vacuum high speed draining.The present invention can carry out remote vacuum handling draining and easy to operate.
Description
Technical field
The present invention relates to a kind of vacuum high speed water discharge method, more particularly to a kind of remote vacuum high speed water discharge method.
Background technology
Sanitary sewage, industrial wastewater and runoff sewage in the range of urban area are referred to as municipal sewage, in municipal sewage
Except outer containing large amount of organic and germ, virus, due to the high development of industry, the water quantity and quality of industrial wastewater it is increasingly sophisticated with
The pollution of runoff sewage is on the rise, and municipal sewage is contained all kinds, different degrees of various poisonous, noxious pollutants.
Municipal sewage is generally collected by city pipe duct and should be discharged into after municipal sewage plant is handled in water body.
China's municipal sewage treatment is faced with serious water pollution, waste water control starting evening, basis is poor, requires high situation.
In recent years, the construction of municipal sewage treatment had develops on a large scale very much, but the sewage treatment capacity of most cities can not meet reality
Border needs.Handled in order to which municipal sewage is pooled to sewage treatment plant, it is necessary to use low-pressure drainage system.This is because
Low-pressure drainage system has high row's speed(Draining water velocity can reach 3-6 meter per seconds, be 3-6 times of normal discharge system), do not allow
The features such as easily blocking pipeline.
The relatively scattered place of traditional wastewater pumping plant and sewage collecting point can not be built for live sewage lifting point, is adopted
Just there is advantage very much with vacuum drainage technology, it is that pump house is built and collecting end that vacuum drainage technology, which has the special feature that, can be with
Multiple spot collects sewage etc. at the same time.In addition, sometimes for collecting municipal sewage, it is necessary to be gathered at a distance, such operating mode
Just the gravity drainage system of opposite Conventional gravity lifting proposes acid test, and vacuum tube is generally adopted in the construction process
With two kinds of zigzag, pouch-type paving modes, with respect to Conventional gravity drainage without large-scale earth excavation, construction relatively convenient and
It is economical.
, such as need to be true on crossing bridge by being erected at by the municipal sewage on river opposite bank in remote capture course of conveying
When vacant duct conveying comes, such operating mode it is also proposed acid test to low-pressure drainage system.In order to ensure in vacuum tube
There is enough relative degree of vacuum to realize normal draining for net end, and traditional vacuum drainage method is often complex.
By retrieval, the patent document similar to the application is not found temporarily, it is as follows with the relevant patent document of the application:
Publication No. CN1408041A, publication date for the Chinese invention patent on April 2nd, 2003 disclose it is a kind of in particular for
The low-pressure drainage system of residential quarter draining, it has a vacuum pipe for being passed through a main collection vessel, and main collect is held
Device is connected with a vacuum source as pumped, and many of which sewage collecting container can pass through a check valve and vacuum pipe phase respectively
Even, the check valve can be operated by a control device respectively, and the vacuum pipe is spread by such a altitude profile figure
If that is, the altitude profile figure has high point and can realize the low spot of sewage collecting, control device includes:One shell;One
Dress in the shell and be transformed into by the pressure of choking water produced by the sewage that is gathered in a sewage collecting container from first position
First valve of the second place;One can by the first valve come adjust pressure and by one have sheet of membrane separator define
First chamber on border, the separator functionally have relation with the second valve, and wherein negative pressure or atmospheric pressure passes through the second valve and root
Check valve is reached according to its position;First passage, the first chamber can be connected by the first passage with a vacuum source, the first passage
Do not choke water pressure or choke water pressure hour be in its first position the first valve close and choking water pressure it is sufficiently high when be in
First valve of its second place is opened;One with atmospheric pressure connection and be connected with first chamber and preferably cross section is adjustable
Second channel, wherein when the first chamber bears sufficiently high negative pressure, the separator can make from one together with second valve
The first position that the check valve is connected with atmospheric pressure is transformed into the second place for making the check valve be connected with negative pressure, the first valve
Close leading to the first chamber and can bear on the second place of its first passage of the opening between vacuum source and the first chamber
The second channel of atmospheric pressure.
Authorization Notice No. is CN204212245U, authorizes the Chinese utility model patent that publication date is on March 18th, 2015
A kind of low-pressure drainage system collected for municipal wastewater is disclosed, evacuated tube is set on the vacuum pipe close to water collecting unit
Air is connected, Unidirectional solenoid valve is set in described evacuated tube, and Unidirectional solenoid valve is connected by data circuit with control system;
Vacuum Pumps Station is mainly made of air hydraulic cylinder, vacuum pump and draining pump three parts.
Authorization Notice No. is CN201739242U, authorizes the Chinese utility model patent that publication date is on 2 9th, 2011 public
A kind of Vacuumizing diversion device for sewage pump has been opened, has included water pump, it has further included water inlet pipe, outlet pipe, vacuum tank and row
Water pipe, the top of the vacuum tank offer water inlet, and bottom offers water outlet, the top of the water inlet pipe and vacuum tank into
The mouth of a river is connected, and one end of outlet pipe is connected with the bottom water outlet of vacuum tank, and the other end is connected with the water inlet of water pump,
The water outlet of water pump is connected with drainpipe.
Without the technical solution of open the application in above patent document.
To sum up, a kind of remote vacuum high speed water discharge method how is designed, remote vacuum handling row can be carried out
Water and it is easy to operate be badly in need of solve technical problem.
The content of the invention
The technical problems to be solved by the invention are to be directed to defect existing in the prior art, there is provided a kind of remote vacuum
High speed water discharge method, it can carry out remote vacuum handling draining and easy to operate.
In order to solve the above technical problems, the technical solution used in the present invention is:A kind of remote vacuum high speed draining side
Method, will be connected, fault-tolerant tank is connected to municipal sewers by pipeline two between fault-tolerant tank and main vacuum pump by pipeline one
Net, main vacuum pump are connected at municipal sewage treatment by pipeline three, and backing vacuum pump is connected by pipeline four with fault-tolerant tank
Get up;During work, first start backing vacuum pump, the sewage of remote city sewage network is led to by fault-tolerant tank and master by pipeline two
In vacuum pump, backing vacuum pump is turned off, main vacuum pump is opened and continues draining, arranged at a high speed so as to fulfill remote vacuum
Water.
Preferably, the master very pump is arranged to vacuum sewage impeller pump, the backing vacuum pump is arranged to air pump.
Preferably, the fault-tolerant tank includes tank body, the arrival end being arranged on tank body side and is arranged on tank body other one
The port of export on side;The arrival end is positioned close on the tank body side at the top of tank body, the port of export is positioned close to tank body
In the tank body other side of bottom so that the level height of arrival end is higher than the level height of the port of export.
Preferably, the overhead gage at arrival end is additionally provided with the inside of the tank body and at the port of export under
Baffle;The inner top of one end of overhead gage and tank body connects, and one end of lower baffle plate and the interior bottom of tank body connect, overhead gage it is another
Stagger between outer one end and the other end of lower baffle plate horizontally arranged, form water stream channel;
It is in contact after municipal sewage enters from arrival end with overhead gage, changes the direction of current, after lower baffle plate is run into again
Change the direction of a stream of water, discharged from the port of export so that municipal sewage curved flowing in tank body.
Preferably, the other end of the lower baffle plate is arranged at position more than port of export central axis.
Preferably, multiple gear holes are provided with the lower baffle plate;Hard thing filtering is carried out to municipal sewage by multiple gear holes.
Preferably, it is additionally provided with steam knockout drum on the pipeline four between backing vacuum pump and fault-tolerant tank.
Preferably, the steam knockout drum includes separation tank body, the inlet tube and outlet that are arranged on separation tank body;Will
Inlet tube and outlet are arranged on the top of separation tank body, to prevent wet air from entering in backing vacuum pump.
Preferably, it is additionally provided with drying cylinder in the middle part of separation tank body.
Preferably, insertion hole is provided with the middle part of separation tank body, is set in the inside of separation tank body and at insertion hole
There is support plate, drying cylinder is placed on the supporting plate after the insertion of insertion hole.
The technical effects of the invention are that:The present invention is by first starting backing vacuum pump, by pipeline two by remote city
The sewage of sewage network is led in fault-tolerant tank and main vacuum pump, turns off backing vacuum pump, is opened main vacuum pump and is continued to arrange
Water, with regard to remote vacuum handling draining and easy to operate can be carried out.Main vacuum pump is arranged to vacuum sewage impeller pump, is aided in
Vacuum pump is arranged to air pump, during work, first passes through air pump and introduces the water into vacuum sewage impeller pump, recycle vacuum dirty
Water impeller pump carries out follow-up drainage works, the advantages of fully combining air pump and vacuum sewage impeller pump, avoids and each lacks
Point, can be further ensured that remote vacuum handling draining.The level height of the arrival end of fault-tolerant tank is disposed above exporting
The level height at end, is so easy to separate the hard thing such as the rubble in municipal sewage, brick and municipal sewage, avoids broken
The hard thing such as stone, brick is inhaled into the damage that main vacuum pump is caused in main vacuum pump.By the cooperation of overhead gage and lower baffle plate, make
Municipal sewage S-type flowing in tank body is obtained, so that the hard thing such as rubble, brick can be more prone to sink to the bottom of tank body
Municipal sewage at portion, with the port of export separates.
Brief description of the drawings
Fig. 1 is the principle schematic of the embodiment of the present invention;
Fig. 2 is the dimensional structure diagram of the embodiment of the present invention;
Fig. 3 is the dimensional structure diagram of fault-tolerant tank in the embodiment of the present invention;
Fig. 4 is the axial schematic cross-sectional view of fault-tolerant tank in the embodiment of the present invention;
Fig. 5 is the dimensional structure diagram of steam knockout drum in the embodiment of the present invention;
Fig. 6 is the axial schematic cross-sectional view in the steam knockout drum of the embodiment of the present invention and at drying cylinder;
In figure:1. fault-tolerant tank, 111. tank bodies, 112. arrival ends, 113. ports of export, 2. main vacuum pumps, 3. pipelines one, 4.
Pipeline two, 5. pipelines three, 6. backing vacuum pumps, 7. pipelines four, 8. overhead gages, 9. lower baffle plates, 10. gear holes, 11. is hard
Thing outlet, 12. liquid level sensors, 13. peep holes, 14. steam knockout drums, 141. separation tank bodies, 15. drying cylinders,
16. it is inserted into hole, 17. support plates, 18. clips, 19. through holes, 20. drain solenoid valves.
Embodiment
Further details of elaboration is done to technical scheme with specific embodiment below in conjunction with the accompanying drawings.
Embodiment:As depicted in figs. 1 and 2, a kind of remote vacuum high speed water discharge method, by fault-tolerant tank 1 and main vacuum pump 2
Between connected by pipeline 1, fault-tolerant tank 1 is connected to municipal sewage pipe network by pipeline 24, and main vacuum pump 2 passes through pipe
Road 35 is connected at municipal sewage treatment, and backing vacuum pump 6 is connected by pipeline 47 and fault-tolerant tank 1.During work, first
Start backing vacuum pump 6, led to the sewage of remote city sewage network in fault-tolerant tank 1 and main vacuum pump 2 by pipeline 24,
Turn off backing vacuum pump 6, open main vacuum pump 2 and continue draining, so as to fulfill remote vacuum high speed draining, thus
It can carry out remote vacuum handling draining and easy to operate.
In addition, in the present embodiment, main vacuum pump is arranged to vacuum sewage impeller pump, backing vacuum pump is arranged to air
Pump, the power of backing vacuum pump are less than the power of main vacuum pump.Air pump cannot intake, and vacuum sewage impeller pump is exactly
With vacuum pump on the contrary, not competent turn, it is necessary to which water participates in coming in work normally, the present embodiment first passes through air pump and introduces the water into
Into vacuum sewage impeller pump, recycle vacuum sewage impeller pump to carry out follow-up drainage works, fully combine air pump and true
The advantages of empty sewage impeller pump, avoid respective shortcoming, can be further ensured that remote vacuum handling draining.
As shown in Figure 3 and Figure 4, the fault-tolerant tank 1 includes tank body 111, the arrival end 112 being arranged on 111 side of tank body
With the port of export 113 being arranged in 111 other side of tank body, arrival end 112 is connected with pipeline 24, the port of export 113 and pipeline one
3 connections;The arrival end 112 is positioned close on 111 side of tank body at the top of tank body, and the port of export 113 is positioned close to tank body
In 111 other side of tank body of bottom, i.e., the level height of arrival end is higher than the level height of the port of export, is so easy to city
The hard thing such as rubble, brick in sewage and municipal sewage are separated, and are avoided the hard thing such as rubble, brick and are inhaled into main vacuum
The damage of main vacuum pump is caused in pump.
The overhead gage 8 at arrival end 112 is additionally provided with the inside of the tank body 111 and at the port of export under
Baffle 9;One end of overhead gage 8 is connected with the inner top of tank body 111, and one end of lower baffle plate 9 is connected with the interior bottom of tank body 111,
Stagger between the other end of overhead gage 8 and the other end of lower baffle plate 9 horizontally arranged, form water stream channel.In this way, city is dirty
Water is in contact after arrival end entrance with overhead gage, changes the direction of current, changes the direction of a stream of water again after lower baffle plate is run into,
Discharged from the port of export so that municipal sewage S-type curvilinear flow in tank body(Such as the direction of arrow in Fig. 4), so that rubble,
The hard thing such as brick can be more prone to sink to the bottom of tank body, be separated with the municipal sewage at the port of export.
The other end of the lower baffle plate 9 is located at position more than 113 central axis A of the port of export, i.e., lower baffle plate blocks
The firmly port of export position of more than half, the separation that can be so further ensured that between hard thing and municipal sewage.
Overhead gage 8 is solid slab, and multiple gear holes 10 are provided with lower baffle plate 9, hard thing is additionally provided with the bottom of tank body 111 and goes out
Mouth pipe 11.The hard thing that lower baffle plate is provided with the municipal sewage that multiple gear Kong Houneng will be impacted on lower baffle plate directly filters out, and makes
Hard thing can add and easily be separated with municipal sewage, the hard thing for dropping to bottom in tank body is discharged by hard thing outlet.
In the present embodiment, the multiple gear holes being arranged on lower baffle plate gradually become along the top-direction from the bottom of lower baffle plate to lower baffle plate
Greatly, the separation of hard thing can be so easy to.
Liquid level sensor 12 and peep hole 13 are additionally provided with tank body.Liquid level sensor is used to detect the liquid in tank body
Position, when reaching certain liquid level, control backing vacuum pump stops diversion, and control main vacuum pump proceeds by work.
Steam knockout drum 14 is additionally provided with pipeline 47 between backing vacuum pump 6 and fault-tolerant tank 1, when auxiliary vacuum
When pump carries out diversion work, by setting steam knockout drum further can prevent steam from entering in backing vacuum pump.
As shown in Figure 5 and Figure 6, the steam knockout drum 14 includes separation tank body 141, is arranged on separation tank body 141
Inlet tube 142 and outlet 143;Inlet tube 142 and outlet 143 are arranged on the top of separation tank body 141, are so set
It can be easy to carry out steam separation to wet air, prevent moisture from entering in backing vacuum pump.
Drying cylinder 15 is additionally provided with the middle part of separation tank body 141, when carrying out diversion work, is entered in separation tank body
Humid air backing vacuum pump is entered back into after drying cylinder only, so can further avoid steam from entering auxiliary true
In sky pump.
Insertion hole 16 is provided with the middle part of separation tank body 141, is set in the inside of separation tank body 141 and at insertion hole 16
Support plate 17 is equipped with, drying cylinder 15 is placed in support plate 17 after being inserted into from insertion hole 16.After drying cylinder 15 is inserted into, pass through card
18 are bound round by clamping between the port in one end of drying cylinder 15 and insertion hole 16.So it is easy to the replacement of drying cylinder.In support plate 17
On be also provided with multiple through holes 19, so easy to the drying to humid air.Liquid level sensor 12 is also equipped with separation tank body
With peep hole 13, drain solenoid valve 20 is additionally provided with the bottom of separation tank body, when opening drain solenoid valve 20, separates tank body
Internal sewage can be discharged through drain solenoid valve 20.
To sum up, the present invention is drawn the sewage of remote city sewage network by pipeline two by first starting backing vacuum pump
Into fault-tolerant tank and main vacuum pump, backing vacuum pump is turned off, main vacuum pump is opened and continues draining, it is remote with regard to that can carry out
Vacuum handling draining and easy to operate.Main vacuum pump is arranged to vacuum sewage impeller pump, backing vacuum pump is arranged to air
Pump, during work, first passes through air pump and introduces the water into vacuum sewage impeller pump, recycles vacuum sewage impeller pump to carry out follow-up
Drainage works, the advantages of fully combining air pump and vacuum sewage impeller pump, avoid respective shortcoming, can be further ensured that remote
The vacuum handling draining of distance.The level height of the arrival end of fault-tolerant tank is disposed above to the level height of the port of export, so
Easy to which the hard thing such as the rubble in municipal sewage, brick and municipal sewage are separated, avoid the hard thing such as rubble, brick and inhaled
Enter to cause the damage of main vacuum pump into main vacuum pump.Pass through the cooperation of overhead gage and lower baffle plate so that municipal sewage is in tank body
Interior S-type flowing, so that the hard thing such as rubble, brick can be more prone to sink to the bottom of tank body, with the city at the port of export
City's sewage separates.
" multiple " described in the present embodiment refer to the quantity of " two or more ".Above example is only for illustrating this
Invention is used, rather than limitation of the present invention, and person skilled in the relevant technique is not departing from the spirit and scope of the present invention
In the case of, it can also make a variety of changes or convert, therefore all equivalent technical solutions should also belong to the guarantor of the present invention
Scope is protected, protection scope of the present invention should be limited by each claim.
Claims (10)
1. a kind of remote vacuum high speed water discharge method, will be connected by pipeline one between fault-tolerant tank and main vacuum pump, held
Wrong tank is connected to municipal sewage pipe network by pipeline two, and main vacuum pump is connected at municipal sewage treatment by pipeline three, it is special
Sign is:Backing vacuum pump is connected by pipeline four and fault-tolerant tank;During work, first start backing vacuum pump, pass through pipe
Road two leads to the sewage of remote city sewage network in fault-tolerant tank and main vacuum pump, turns off backing vacuum pump, opens main true
Sky pump continues draining, so as to fulfill remote vacuum high speed draining.
2. remote vacuum high speed water discharge method according to claim 1, it is characterised in that:The master very pump is arranged to
Vacuum sewage impeller pump, air pump is arranged to by the backing vacuum pump.
3. remote vacuum high speed water discharge method according to claim 1, it is characterised in that:The fault-tolerant tank includes tank
Body, the arrival end being arranged on tank body side and the port of export being arranged in tank body other side;The arrival end is arranged on
On the tank body side at the top of tank body, the port of export is positioned close in the tank body other side of tank base so that arrival end
Level height be higher than the port of export level height.
4. remote vacuum high speed water discharge method according to claim 3, it is characterised in that:In the inside of the tank body also
The overhead gage and the lower baffle plate at the port of export being provided with arrival end;One end of overhead gage and the inner top of tank body connect
Connect, one end of lower baffle plate and the interior bottom of tank body connect, and stagger between the other end of overhead gage and the other end of lower baffle plate
It is horizontally arranged, form water stream channel;
It is in contact after municipal sewage enters from arrival end with overhead gage, changes the direction of current, after lower baffle plate is run into again
Change the direction of a stream of water, discharged from the port of export so that municipal sewage curved flowing in tank body.
5. remote vacuum high speed water discharge method according to claim 4, it is characterised in that:By the lower baffle plate in addition
One end is arranged at position more than port of export central axis.
6. remote vacuum high speed water discharge method according to claim 5, it is characterised in that:It is provided with the lower baffle plate
Multiple gear holes;Hard thing filtering is carried out to municipal sewage by multiple gear holes.
7. the remote vacuum high speed water discharge method according to any one claim in claim 1 to 6, its feature exist
In:Steam knockout drum is additionally provided with pipeline four between backing vacuum pump and fault-tolerant tank.
8. remote vacuum high speed water discharge method according to claim 7, it is characterised in that:The steam knockout drum includes
Separation tank body, the inlet tube and outlet being arranged on separation tank body;Inlet tube and outlet are arranged at separation tank body
On top, to prevent wet air from entering in backing vacuum pump.
9. remote vacuum high speed water discharge method according to claim 8, it is characterised in that:At the middle part of separation tank body also
It is provided with drying cylinder.
10. remote vacuum high speed water discharge method according to claim 9, it is characterised in that:At the middle part of separation tank body
Insertion hole is provided with, in the inside of separation tank body and is provided with support plate positioned at being inserted at hole, drying cylinder is put after the insertion of insertion hole
Put on the supporting plate.
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CN201711370656.2A CN107938824A (en) | 2017-12-19 | 2017-12-19 | A kind of remote vacuum high speed water discharge method |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110656689A (en) * | 2019-09-29 | 2020-01-07 | 东山县立成水产有限公司 | Waste water recovery device and method for aquatic product processing |
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JPH08144356A (en) * | 1994-11-25 | 1996-06-04 | Iseki Tory Tech Inc | Vacuum sewarage system and vacuum system combining device used for the vacuum sewarage system |
CN1408041A (en) * | 1999-10-05 | 2003-04-02 | 洛蒂格真空及家用技术股份有限公司 | Low-pressure drainage system |
KR100472568B1 (en) * | 2004-09-06 | 2005-03-14 | 그린엔텍 주식회사 | Multi-stage Vacuum Sewer Collection System |
CN203494180U (en) * | 2013-09-13 | 2014-03-26 | 安国亚东药业有限公司 | Vacuum drying device |
CN204198445U (en) * | 2014-10-14 | 2015-03-11 | 江苏汉光生物工程有限公司 | A kind of gas-flotation filter device being applicable to Sewage treatment systems |
CN204212245U (en) * | 2013-11-18 | 2015-03-18 | 中国科学院生态环境研究中心 | A kind of low-pressure drainage system collected for municipal wastewater |
CN204781251U (en) * | 2015-06-05 | 2015-11-18 | 四川众能环保科技有限公司 | Vacuum drainage system |
CN206328278U (en) * | 2016-08-31 | 2017-07-14 | 黄山拓达科技有限公司 | Integrate the energy-conservation pollution treatment system of vacuum sewage collection and A20 sewage disposals |
CN107460934A (en) * | 2017-08-25 | 2017-12-12 | 宁波中车时代传感技术有限公司 | Closed partial vacuum drainage |
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2017
- 2017-12-19 CN CN201711370656.2A patent/CN107938824A/en active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH08144356A (en) * | 1994-11-25 | 1996-06-04 | Iseki Tory Tech Inc | Vacuum sewarage system and vacuum system combining device used for the vacuum sewarage system |
CN1408041A (en) * | 1999-10-05 | 2003-04-02 | 洛蒂格真空及家用技术股份有限公司 | Low-pressure drainage system |
KR100472568B1 (en) * | 2004-09-06 | 2005-03-14 | 그린엔텍 주식회사 | Multi-stage Vacuum Sewer Collection System |
CN203494180U (en) * | 2013-09-13 | 2014-03-26 | 安国亚东药业有限公司 | Vacuum drying device |
CN204212245U (en) * | 2013-11-18 | 2015-03-18 | 中国科学院生态环境研究中心 | A kind of low-pressure drainage system collected for municipal wastewater |
CN204198445U (en) * | 2014-10-14 | 2015-03-11 | 江苏汉光生物工程有限公司 | A kind of gas-flotation filter device being applicable to Sewage treatment systems |
CN204781251U (en) * | 2015-06-05 | 2015-11-18 | 四川众能环保科技有限公司 | Vacuum drainage system |
CN206328278U (en) * | 2016-08-31 | 2017-07-14 | 黄山拓达科技有限公司 | Integrate the energy-conservation pollution treatment system of vacuum sewage collection and A20 sewage disposals |
CN107460934A (en) * | 2017-08-25 | 2017-12-12 | 宁波中车时代传感技术有限公司 | Closed partial vacuum drainage |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110656689A (en) * | 2019-09-29 | 2020-01-07 | 东山县立成水产有限公司 | Waste water recovery device and method for aquatic product processing |
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Application publication date: 20180420 |