CN203716279U - Sewage lifting pump station - Google Patents
Sewage lifting pump station Download PDFInfo
- Publication number
- CN203716279U CN203716279U CN201420105375.XU CN201420105375U CN203716279U CN 203716279 U CN203716279 U CN 203716279U CN 201420105375 U CN201420105375 U CN 201420105375U CN 203716279 U CN203716279 U CN 203716279U
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- sewage
- partition wall
- wall
- submersible pump
- pump station
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Abstract
The utility model discloses a sewage lifting pump station. The sewage lifting pump station comprises a water collecting tank body encircled by tank walls, submersible pumps, as well as a water outlet pipeline communicated with the submersible pumps and used for outputting sewage by lifting; a sewage opening allowing sewage to flow in the tank is formed in a tank wall of the water collecting tank body; a first partition wall is arranged in the water collecting tank body next to the sewage opening, the first partition wall and the tank wall of the sewage opening are encircled to form a front tank, and the first partition wall and the rest tank wall are encircled to form a water storage tank; the submersible pumps are fixedly arranged in the water storage tank; the sewage lifting pump station is characterized in that a second partition wall is further arranged between the tank wall of the water storage tank and the partition wall, and the water storage tank is divided into two water tank units by the second partition wall, wherein an opening allowing sewage to flow in is formed in the upper part of the second partition wall of each water tank unit, and a plurality of submersible pumps are arranged in every water tank units, respectively. The sewage lifting pump station has the advantages of reasonable structure, low energy consumption and high reliability; the sewage lifting pump station is also capable of operating continuously when the pump station needs to be overhauled and dredged, and therefore, continuous operation requirement of the pump station is met.
Description
Technical field
The utility model belongs to sewage disposal system field, is specifically related to a kind of sewage lifting pump station.
Background technology
Sewage lifting pump station is indispensable important component part in sewage disposal system, for the elevation of lifting sewage and be delivered to Wastewater Treatment Plant and carry out water treatment.
At present, existing sewage lifting pump station mainly includes lift pump and collecting-tank.Wherein, in order to reach the sewage load of Wastewater Treatment Plant, in sewage lifting pump station, generally adopt identical multiple high-power (rated capacity is more than power 100kW), high flow capacity (metered flow 250m
3more than/h) and the lift pump of high-lift (more than 40m) carry out lifting sewage.But existing sewage pump stands in and in the process of use, is prone to following problem:
1, the fluctuation of sewage lifting pump station inflow is larger; be difficult to meet the specified service condition of lift pump; therefore very easily cause lift pump frequent start-stop or in fallback district; so; not only energy consumption is high; also can reduce because of frequent start-stop the application life of lift pump, even cause motor overcurrent in lift pump to burn because continuing fallback.
2, in the time promoting water pump maintenance, collecting-tank desilting, whole sewage lifting pump station needs to stop production, therefore cannot meet the continuous operation demand of Wastewater Treatment Plant, has reduced the economic benefit of sewerage treatment.
Utility model content
For above-mentioned the deficiencies in the prior art, technical problem to be solved in the utility model is: how to provide a kind of energy consumption low, can move continuously, sewage lifting pump station that reliability is high.
In order to solve the problems of the technologies described above, the utility model has adopted following technical scheme:
A kind of sewage lifting pump station, comprises the collecting-tank body, the submersible pump that are surrounded by pool wall, and is communicated with submersible pump and for promoting the outlet conduit of exporting sewage; On the pool wall of described collecting-tank body, be provided with the sewage mouth flowing into for sewage; In described collecting-tank body, close on described sewage mouth place and be provided with a vertical partition wall, the pool wall at described vertical partition wall and described sewage mouth place surrounds forebay, surrounds reservoir with all the other pool walls; Described submersible pump is fixedly installed in described reservoir; It is characterized in that: between the pool wall of described reservoir and vertical partition wall, be also provided with a partition wall, reservoir is divided into unit, two ponds by described partition wall; Wherein, the vertical partition wall top of unit, each pond is provided with the gap flowing into for sewage; Described submersible pump is many, and is arranged at respectively in unit, each pond.
The utility model sewage lifting pump station, when use, first, sewage flow into forebay and converges from sewage mouth, when the sewage water surface converging higher than partition wall on when the height of gap, sewage flows in unit, pond, gets final product the submersible pump lifting sewage in open water pool unit after unit, the pond water surface continues to rise to certain altitude.When needing to clear up mud or maintenance submersible pump in certain unit, pond, after only the gap of this unit, pond need being blocked, the sewage of forebay can flow in another unit, pond and promote, so can make the utility model sewage pump stand in need to clear up mud or maintenance submersible pump time, realize operation continuously, help to have improved the production stability of sewage lifting pump station and Wastewater Treatment Plant.
As preferably, the submersible pump in unit, each pond is total up to two, is respectively the first submersible pump and the second submersible pump; Outlet conduit in unit, each pond is two groups, is respectively the first outlet conduit and the second outlet conduit; One end of the delivery port of described the first submersible pump and the first outlet conduit is tightly connected; One end of the delivery port of described the second submersible pump and the second outlet conduit is tightly connected; The metered flow of described the first submersible pump is greater than the second submersible pump metered flow.
Like this, in unit, each pond, adopt the first submersible pump and second submersible pump of one high and one low metered flow, can be in the discharge of sewage hour, only open the second submersible pump that metered flow is less in order to lifting sewage.In the time that the discharge of sewage is larger, opens the first larger submersible pump of metered flow and carry out lifting sewage.Or in the time of the maximum discharge of sewage, open the first submersible pump and the second submersible pump simultaneously.So both can avoid the high energy consumption and the submersible pump lost of life that cause because of frequent starting submersible pump, make sewage lifting can be continuously operation reliably.
As improvement, the cylindrical structure of described collecting-tank body entirety; Described partition wall is connected with described vertical partition wall is vertical, and is positioned on the perpendicular bisector of described vertical partition wall length direction.
Like this, cylindrical structure can make collecting-tank body have better stress intensity and structural stability.In addition, described partition wall is connected with described vertical partition wall is vertical, and be positioned on the perpendicular bisector of described vertical partition wall length direction, volume in unit, each pond is equated, and then can in unit, each pond, adopt the equipment such as identical submersible pump, make the structure of sewage lifting pump station more rational simultaneously, also make sewage pump safeguard more easy.
As improvement, the pool wall of described collecting-tank body upwards extends the wall body structure that is provided with pumping plant; The upwards extension having on the upwards extension having on described the first outlet conduit and the second outlet conduit is extension straight up; Also comprise a T-shaped tee pipe fitting and outfall sewer, the upper end, upwards extension of described the first outlet conduit and the arm of described tee pipe fitting are tightly connected, the upper end, upwards extension of described the second outlet conduit is connected with one end horizontal seal of described tee pipe fitting supervisor by pipeline, another end of described tee pipe fitting supervisor is connected with one end horizontal seal of described outfall sewer, and the other end horizontal-extending of described outfall sewer also passes described wall body structure and has the horizontal-extending pipeline section that extends described wall body structure; Also comprise water-hammer arrester, described water-hammer arrester is fixedly installed on described horizontal-extending pipeline section.
So, adopt the outlet conduit of technique scheme, after extending straight up, the first outlet conduit and the second outlet conduit be communicated with and outfall sewer level connection joint output lifting sewage by T-shaped tee pipe fitting, so farthest reduced turning, make pipeline move towards design more reasonable, impel to such an extent that submersible pump lifting carries the resistance of sewage less, can reduce the electric energy of pump machine lifting water consumption.Meanwhile; water-hammer arrester is arranged on the horizontal-extending pipeline section of outfall sewer; avoid each to branch out waterpipe the waste that brings of water-hammer arrester and undesirable water hammer eradicating efficacy have been installed; can more effectively eliminate the irregular water attack ripple concussion that the water hammer that produces while transmission in water pipe and surge occur; thereby eliminate and there is the damage that destructive shock wave causes water hammer pipeline and submersible pump; submersible pump in pumping plant and sewage lifting pipeline are played a protective role, also further increased of the present utility model go out pump works reliability and stability.
As improvement, the utility model also comprises sleeve member, and described sleeve member level runs through and is fixed on described wall body structure; Described outfall sewer external diameter mates with the interior diameter of described sleeve member and fastens in described sleeve member.
Like this, can pass through the wall body structure of pumping plant self, run through and be fixed on described wall body structure upper bush part in conjunction with level and realize fixing to outfall sewer, the vibrations of avoiding outfall sewer to produce in the time of lifting sewage, help to realize the more reliable and stable operation of pumping plant.
As improvement, described sleeve member is positioned on the external surface at described wall body structure two metope places and is also vertically fixedly installed the right angle flange that a circle contacts with metope, is also fixedly installed at least one circle and extends out to the reinforced sheet in wall body structure on the external surface of described sleeve member between described wall body structure two metopes.
Like this, the right angle flange contacting with wall body structure by being provided with a circle on sleeve member, can be by more firm being fixed on wall body structure of sleeve member.On the external surface of described sleeve member between described wall body structure two metopes, be also fixedly installed at least one circle and extend out to the reinforced sheet in wall body structure, further lift lug barrier part is fixed on the firm degree of wall body structure, further prevents the vibrations that outfall sewer produces in the time of lifting sewage.
As improvement, the utility model also comprises flap valve, and described flap valve is fixedly installed on described horizontal-extending pipeline section and is positioned at the influent side of described water-hammer arrester.
Like this, after installation flap valve, can avoid sewage in outlet conduit to flow backwards.Because the submersible pump in sewage pumping station is in the time opening or cut out, can in outlet conduit, produce larger water hammer pressure again, when serious, easily cause the damage (especially for large mouthful of pipeline or pressure duct) of equipment on pipeline pipeline or pipeline.After above-mentioned improvement technical scheme is implemented; flap valve and water-hammer arrester are co-located on horizontal-extending pipeline section; the horizontal-extending pipeline section of flowing through of water flow energy quick and stable; therefore when submersible pump is in the time opening or cut out; water hammer pressure by flap valve can be eliminated by water-hammer arrester fast, and flap valve is played to better protective effect.
As improvement, described pumping plant wall body structure top is also provided with roof; On described wall body structure, be also provided with for entering the aperture of door in described pumping plant, in described pumping plant, be positioned at described vertical partition wall and partition wall top and be also fixedly installed working platform; Described wall body structure top is also horizontally arranged with electric block device.
Like this, behind installing roof, pumping plant body of wall top, can be pump station equipment better running environment is provided.On body of wall, be also provided with for entering the aperture of door in described pumping plant, above being positioned at described vertical partition wall and partition wall in described pumping plant, be also fixedly installed working platform, can allow staff enter easily in pumping plant, and can carry out inspection and maintenance to the equipment in pumping plant standing on working platform, impel pump station structure more reasonable.Body of wall top is also horizontally arranged with after electric block device, and the equipment being beneficial to damaging in pumping plant is changed or shifted, or to when the desilting, mud is carried out to transfer processing, helps staff to reduce labour intensity and promotes pumping plant maintenance work efficiency.
As improvement, bottom, described forebay is also provided with pool wall from the described sewage mouth place slope under described vertical partition wall direction is tilted to; Vertical partition wall bottom in unit, each pond is also provided with conduction hole; Also comprise for conducting or close the headstock gear of described conduction hole, the keying portion of described headstock gear is arranged on described conduction hole place, and the control part of described headstock gear is fixedly installed on described working platform.
Like this, the setting on slope, can make the mud in forebay naturally decline and be collected to sewage mouth place under the effect of gravity.Need desilting in needs forebay or unit, pond time, control headstock gear conducting conduction hole, can rinse bottom, forebay water, and pour in unit, pond and remove by conduction hole, and clear up together in unit, pond, arrange after the headstock gear of conduction hole and conduction hole, can make the interior desilting of collecting-tank body more clean thoroughly, reduce the impact of mud on submersible pump.
That the utility model sewage lifting pump station has advantages of is rational in infrastructure, energy consumption is low and reliability is high, can also in the time that pumping plant need overhaul with desilting, realize operation continuously, meets the continuous operation demand of pumping plant.
Brief description of the drawings
Fig. 1 be the utility model sewage lifting pump station overlook direction structure schematic diagram;
Fig. 2 is A-A sectional view in Fig. 1;
Fig. 3 is B-B sectional view in Fig. 1;
Fig. 4 is C place zoomed-in view in Fig. 2.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
When concrete enforcement: as shown in Figures 1 to 4, a kind of sewage lifting pump station, comprises the collecting-tank body 1, the submersible pump that are surrounded by pool wall, and is communicated with submersible pump and for promoting the outlet conduit of exporting sewage; On the pool wall of described collecting-tank body 1, be provided with the sewage mouth flowing into for sewage; In described collecting-tank body 1, close on described sewage mouth place and be provided with a vertical partition wall 17, described vertical partition wall 17 surrounds forebay 5 with the pool wall at described sewage mouth place, surrounds reservoir with all the other pool walls; Described submersible pump is fixedly installed in described reservoir; Between the pool wall of described reservoir and vertical partition wall 17, be also provided with a partition wall 2, reservoir is divided into unit, two ponds 15 by described partition wall 2; Wherein, vertical partition wall 17 tops of unit, each pond 15 are provided with the gap (not shown) flowing into for sewage; Described submersible pump is many, and is arranged at respectively in unit, each pond 15.
When concrete enforcement, described pool wall, vertical partition wall 17 and partition wall 2 can be reinforced concrete structure, stainless steel structure or brick structure.Described opening position can be fixedly installed gate 7, and this gate 7 is for conducting or block and flow into the current of unit, pond 15 from forebay 5 by gap, thereby is more convenient for current to control, and is beneficial to unit, pond 15 is safeguarded.
Submersible pump in unit, each pond 15 is total up to two, is respectively the first submersible pump 4 and the second submersible pump 3; Outlet conduit in unit, each pond 15 is two groups, is respectively the first outlet conduit 18 and the second outlet conduit 9; One end of the delivery port of described the first submersible pump 4 and the first outlet conduit 18 is tightly connected; One end of the delivery port of described the second submersible pump 3 and the second outlet conduit 9 is tightly connected; The metered flow of described the first submersible pump 4 is greater than the second submersible pump 3 metered flows.
When concrete enforcement, the first submersible pump 4 and the second submersible pump 3 metered flows can be determined according to pumping plant water yield statistics variations information, for example, choose the metered flow value of the first submersible pump 4 according to the maximum value of mean daily flow, the minimum value of mean daily flow is chosen the metered flow value of the second submersible pump 3, so, can make the first submersible pump 4 and the second submersible pump 3 in unit, each pond 15 move up and down in its metered flow value as far as possible, impel submersible pump in better duty, avoid causing because energy consumption is too high burning of motor in submersible pump, increase submersible pump reliability of operation.Meanwhile, comparatively mate during with actual motion because of the metered flow of submersible pump, thus can frequent starting submersible pump, and the long-term normal work that is beneficial to submersible pump is used.Visible, the sewage lifting pump station of this detailed description of the invention can be in the energy-conservation running status reliably of optimum.Can choose according to the relevant design technical specification of this area for promoting water pump lift.
The overall cylindrical structure of described collecting-tank body 1; Described partition wall 2 and described vertical being connected of vertical partition wall 17, and be positioned on the perpendicular bisector of described vertical partition wall 17 length directions.
The pool wall of described collecting-tank body 1 upwards extends the wall body structure that is provided with pumping plant; The upwards extension having on the upwards extension having on described the first outlet conduit 18 and the second outlet conduit 9 is extension straight up; Also comprise a T-shaped tee pipe fitting and outfall sewer 14, the upper end, upwards extension of described the first outlet conduit 18 and the arm of described tee pipe fitting are tightly connected, the upper end, upwards extension of described the second outlet conduit 9 is connected with one end horizontal seal of described tee pipe fitting supervisor by pipeline, another end of described tee pipe fitting supervisor is connected with one end horizontal seal of described outfall sewer 14, and the other end horizontal-extending of described outfall sewer 14 also passes described wall body structure and has the horizontal-extending pipeline section that extends described wall body structure; Also comprise water-hammer arrester 11, described water-hammer arrester 11 is fixedly installed on described horizontal-extending pipeline section.
When concrete enforcement, preferably described the first submersible pump 4 and the second submersible pump 3 intervals shift to install, described the first submersible pump 4 in described the second submersible pump 3 away from described vertical partition wall 17.Implement after above-mentioned optimal technical scheme, can avoid the first submersible pump 4 and the second submersible pump 3 common while opening operation because of each other apart from tension, the damaging influence that produces disorderly current and larger current wave force and then the first submersible pump 4 and the second submersible pump 3 are caused, therefore can help the operation of submersible pump stability and high efficiency.
The sewage lifting pump station of this detailed description of the invention also comprises sleeve member 16, and described sleeve member 16 runs through and is fixed on described wall body structure, and described outfall sewer 14 external diameters mate with the interior diameter of described sleeve member 16 and fasten in described sleeve member 16.
Described sleeve member 16 is positioned on the external surface at described wall body structure two metope places and is also vertically fixedly installed the right angle flange that a circle contacts with metope, is also fixedly installed at least one circle and extends out to the reinforced sheet in wall body structure on the external surface of described sleeve member 16 between described wall body structure two metopes.
The sewage lifting pump station of this detailed description of the invention also comprises flap valve 10, and described flap valve 10 is fixedly installed on described horizontal-extending pipeline section and is positioned at the influent side of described water-hammer arrester 11.
When concrete enforcement, water outlet side that also can be on horizontal-extending pipeline section and be positioned at described water-hammer arrester 11 arranges electromagnetic flowmeter, add up by electromagnetic flowmeter the sewage quantity that pumping plant promotes, better help pumping plant and Wastewater Treatment Plant to carry out the data analysis of day-to-day operation, and then can safeguard better or adjust according to data results the running status of pumping plant.
Described pumping plant wall body structure top is also provided with roof; On described wall body structure, be also provided with for entering the aperture of door in described pumping plant, in described pumping plant, be positioned at described vertical partition wall 17 and partition wall 2 tops are also fixedly installed working platform; Described wall body structure top is also horizontally arranged with electric block device 12.
5 bottoms, described forebay are also provided with pool wall from the described sewage mouth place slope under described vertical partition wall 17 directions are tilted to; Vertical partition wall 17 bottoms in unit, each pond 15 are also provided with conduction hole 6; Also comprise for conducting or close the headstock gear of described conduction hole 6, the keying portion of described headstock gear is arranged on described conduction hole 6 places, and the control part 8 of described headstock gear is fixedly installed on described working platform.When concrete enforcement: the keying portion of above-mentioned headstock gear can adopt a valve, and control part 8 is the controller for the control motor of by-pass valve control, and described control motor is connected control with valve by connecting rod.
When concrete enforcement, the lowest part on described slope is crossing with the bottom of described conduction hole 6.So, can be in the time of conducting conduction hole 6, the mud on slope can directly slip in unit, pond 15, when conveniently it cleaning, has also promoted desilting speed.
This detailed description of the invention sewage lifting pump station, when use, first, sewage flow into forebay 5 and converges from sewage mouth, when the sewage water surface converging higher than partition wall 2 on when the height of gap, sewage flows in unit, pond 15, gets final product the submersible pump lifting sewage in open water pool unit 15 after unit, pond 15 waters surface continue to rise to certain altitude.Need to clear up mud or maintenance submersible pump when certain unit, pond 15 is interior, after only the gap of this unit, pond 15 need being blocked, the sewage of forebay 5 can flow in another unit, pond 15 and promote, so can make this detailed description of the invention sewage pump stand in need to clear up mud or maintenance submersible pump time, realize operation continuously, help to have improved the production stability of sewage lifting pump station and Wastewater Treatment Plant.
Claims (9)
1. a sewage lifting pump station, comprises the collecting-tank body, the submersible pump that are surrounded by pool wall, and be communicated with submersible pump and for promote output sewage outlet conduit; On the pool wall of described collecting-tank body, be provided with the sewage mouth flowing into for sewage; In described collecting-tank body, close on described sewage mouth place and be provided with a vertical partition wall, the pool wall at described vertical partition wall and described sewage mouth place surrounds forebay, surrounds reservoir with all the other pool walls; Described submersible pump is fixedly installed in described reservoir; It is characterized in that: between the pool wall of described reservoir and vertical partition wall, be also provided with a partition wall, reservoir is divided into unit, two ponds by described partition wall; Wherein, the vertical partition wall top of unit, each pond is provided with the gap flowing into for sewage; Described submersible pump is many, and is arranged at respectively in unit, each pond.
2. sewage lifting pump station according to claim 1, is characterized in that: the submersible pump in unit, each pond is total up to two, is respectively the first submersible pump and the second submersible pump; Outlet conduit in unit, each pond is two groups, is respectively the first outlet conduit and the second outlet conduit; One end of the delivery port of described the first submersible pump and the first outlet conduit is tightly connected; One end of the delivery port of described the second submersible pump and the second outlet conduit is tightly connected; The metered flow of described the first submersible pump is greater than the second submersible pump metered flow.
3. sewage lifting pump station according to claim 2, is characterized in that: the cylindrical structure of described collecting-tank body entirety; Described partition wall is connected with described vertical partition wall is vertical, and is positioned on the perpendicular bisector of described vertical partition wall length direction.
4. according to the sewage lifting pump station described in claim 2 or 3, it is characterized in that: the pool wall of described collecting-tank body upwards extends the wall body structure that is provided with pumping plant; The upwards extension having on the upwards extension having on described the first outlet conduit and the second outlet conduit is extension straight up; Also comprise a T-shaped tee pipe fitting and outfall sewer, the upper end, upwards extension of described the first outlet conduit and the arm of described tee pipe fitting are tightly connected, the upper end, upwards extension of described the second outlet conduit is connected with one end horizontal seal of described tee pipe fitting supervisor by pipeline, another end of described tee pipe fitting supervisor is connected with one end horizontal seal of described outfall sewer, and the other end horizontal-extending of described outfall sewer also passes described wall body structure and has the horizontal-extending pipeline section that extends described wall body structure; Also comprise water-hammer arrester, described water-hammer arrester is fixedly installed on described horizontal-extending pipeline section.
5. sewage lifting pump station according to claim 4, is characterized in that: also comprise sleeve member, described sleeve member level runs through and is fixed on described wall body structure; Described outfall sewer external diameter mates with the interior diameter of described sleeve member and fastens in described sleeve member.
6. sewage lifting pump station according to claim 5, it is characterized in that: described sleeve member is positioned on the external surface at described wall body structure two metope places and is also vertically fixedly installed the right angle flange that a circle contacts with metope, is also fixedly installed at least one circle and extends out to the reinforced sheet in wall body structure on the external surface of described sleeve member between described wall body structure two metopes.
7. according to the sewage lifting pump station described in claim 5 or 6, it is characterized in that: also comprise flap valve, described flap valve is fixedly installed on described horizontal-extending pipeline section and is positioned at the influent side of described water-hammer arrester.
8. sewage lifting pump station according to claim 7, is characterized in that: described pumping plant wall body structure top is also provided with roof; On described wall body structure, be also provided with for entering the aperture of door in described pumping plant, in described pumping plant, be positioned at described vertical partition wall and partition wall top and be also fixedly installed working platform; Described wall body structure top is also horizontally arranged with electric block device.
9. sewage lifting pump station according to claim 8, is characterized in that: bottom, described forebay is also provided with pool wall from the described sewage mouth place slope under described vertical partition wall direction is tilted to; Vertical partition wall bottom in unit, each pond is also provided with conduction hole; Also comprise for conducting or close the headstock gear of described conduction hole, the keying portion of described headstock gear is arranged on described conduction hole place, and the control part of described headstock gear is fixedly installed on described working platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420105375.XU CN203716279U (en) | 2014-03-10 | 2014-03-10 | Sewage lifting pump station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420105375.XU CN203716279U (en) | 2014-03-10 | 2014-03-10 | Sewage lifting pump station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203716279U true CN203716279U (en) | 2014-07-16 |
Family
ID=51155448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420105375.XU Expired - Fee Related CN203716279U (en) | 2014-03-10 | 2014-03-10 | Sewage lifting pump station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203716279U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2726567C2 (en) * | 2018-11-19 | 2020-07-14 | Федеральное государственное казённое военное образовательное учреждение высшего образования "Военная академия материально-технического обеспечения имени генерала армии А.В. Хрулева" Министерства обороны Российской Федерации | Sewage pumping station with system of protection against hydraulic shock |
-
2014
- 2014-03-10 CN CN201420105375.XU patent/CN203716279U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2726567C2 (en) * | 2018-11-19 | 2020-07-14 | Федеральное государственное казённое военное образовательное учреждение высшего образования "Военная академия материально-технического обеспечения имени генерала армии А.В. Хрулева" Министерства обороны Российской Федерации | Sewage pumping station with system of protection against hydraulic shock |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 Termination date: 20150310 |
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| EXPY | Termination of patent right or utility model |