CN108396817B - Tower type layered water intake of reservoir - Google Patents
Tower type layered water intake of reservoir Download PDFInfo
- Publication number
- CN108396817B CN108396817B CN201810324165.2A CN201810324165A CN108396817B CN 108396817 B CN108396817 B CN 108396817B CN 201810324165 A CN201810324165 A CN 201810324165A CN 108396817 B CN108396817 B CN 108396817B
- Authority
- CN
- China
- Prior art keywords
- water inlet
- valve
- driving
- water
- pipes
- 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.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 123
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 230000007547 defect Effects 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 11
- 230000005540 biological transmission Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/04—Methods or installations for obtaining or collecting drinking water or tap water from surface water
-
- 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
- E03B7/02—Public or like main pipe systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention provides a reservoir tower type layered water intake, which comprises a plurality of water inlet pipes distributed from top to bottom in a tower body, wherein an operation chamber is arranged at the top of each water inlet pipe; the driving shafts of the operating devices are connected with embedded brackets penetrating through the ground of the operating room, and valve rods through which the embedded brackets pass are connected with corresponding valves; the plurality of operating devices drive the corresponding valves to move up and down by driving the valve rods to rotate, so that the corresponding water inlet pipes are opened or closed. Aiming at the defect that a large amount of labor is consumed to open the multi-level water intake in the prior art, the invention provides the reservoir tower type layered water intake, so that an operator can control the multi-level water intake in an operation room.
Description
Technical Field
The invention relates to the technical field of hydraulic engineering, in particular to a reservoir tower type layered water intake.
Background
At present, many water inlets of medium and small-sized reservoirs in China adopt tower type layered water intake, all levels of water inlets are generally controlled by valves, the diameters of the valves are generally about 0.3-0.5 m, manual control is adopted, the valves are opened and closed and need to be operated by entering the bottom of the water intake tower through management personnel, and because the air flow at the bottom of the water intake tower is not smooth, waste gas is gathered, potential safety hazards of choking exist, safety accidents occur during the time of safety accidents, and especially the safety risk of the water intake tower with the height of more than 5m is higher.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the reservoir tower type layered water intake, so that an operator can control the multi-layer water intake in an operating room.
The invention provides a reservoir tower type layered water intake, which comprises a plurality of water inlet pipes distributed from top to bottom in a tower body, wherein an operation chamber is arranged at the top of each water inlet pipe; the plurality of operating devices are connected with embedded brackets penetrating through the ground of the operating room, and valve rods through which the embedded brackets pass are connected with corresponding valves; the plurality of operating devices drive the corresponding valves to move up and down by driving the valve rods to rotate, so that the corresponding water inlet pipes are opened or closed.
The valve rod comprises a plurality of sections, and the two ends of each section of valve rod are fixedly sleeved with the adjacent valve rods through flanges.
The valve rod is fixedly connected with the operating device through an embedded bracket, and the embedded bracket comprises a bracket body with a tubular structure, a driving sleeve and a driving square shaft; the bottom end of the bracket body is pre-buried in the ground of the operation room, and the top end of the bracket body is fixed at the bottom of the operation device; the top end of the driving square shaft is fixed in the bracket body and fixedly connected with the operating device; the bottom end of the driving square shaft is fixedly connected with the top end of the driving sleeve through a square head; the bottom end of the driving sleeve is fixedly connected with the valve rod through a flange; the bracket body is supported on the periphery of the top of the driving sleeve.
The valve top is provided with the connecting axle, and the valve rod passes the connecting axle and is connected with the valve.
The water inlets of the water inlet pipes are positioned outside the tower body, the water inlet pipes are distributed on a plurality of different planes, and the extending directions of the water inlet pipes are perpendicular to the axis of the tower body; the plurality of water inlet pipes are communicated through connecting pipes, the extending direction of the connecting pipes is parallel to the axial direction of the tower body, and the connecting pipes are communicated with water outlets positioned outside the tower body through water outlet pipes.
The water inlet pipes are uniformly distributed along the circumference by taking the axle center of the connecting pipe as the circle center.
The operating device comprises a rotating hand wheel and a motor, and the rotating hand wheel and the motor respectively drive the driving shaft to rotate.
The valve adopts an elastic seat sealing valve and adopts a flexible rubber flashboard for sealing.
The invention adopts the mode of lengthening the valve rod to reform the water intake structure of each layer of the water intake, has the characteristics of reasonable structure, practical function and safe and convenient operation, can obtain the surface water of the water warehouse according to engineering requirements, has the advantages of minimum sediment content and proper water temperature, meets the requirements of agricultural irrigation and domestic water, and can effectively avoid the safety problems in the use and operation process by opening and closing the valves of each stage through the operation device on the operation platform at the upper part of the water intake tower instead of manually entering the bottom of the water intake tower to open the valves of each stage of the water intake tower. The water inlet pipes are uniformly distributed, so that the arrangement of pipelines in the tower body is tidy. The invention realizes the adjustability of the length of the valve rod by splicing the multiple sections of valve rods, so as to be suitable for water inlet pipelines with different heights. The structure of the valve rod can be produced and manufactured in a segmented way, the on-site direct splicing is convenient, the two ends of each valve rod are connected by adopting flanges, the functions of positioning, transmission and sealing are realized, and the installation is simple and reliable. The top end of the valve rod is connected with a driving device of the operating device through the embedded bracket, so that the integral connection stability of the valve rod is effectively ensured. The bottom of the valve rod is connected with the valve through a coupling joint, and has the functions of positioning, transmission, sealing and supporting (lengthening the self weight of the valve rod).
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a sectional view in the direction I-I of the present invention;
FIG. 3 is a partial design of the present invention;
fig. 4 is an enlarged view of a portion of the present invention.
The device comprises a 11-level water inlet, a 12-level valve, a 13-level valve rod, a 14-level operating device, a 15-level water inlet pipeline, a 21-level water inlet, a 22-level water inlet, a 23-level valve rod, a 24-level operating device, a 25-level water inlet pipeline, a 31-level water inlet, a 32-level valve, a 33-level valve rod, a 34-level operating device, a 35-level water inlet pipeline, a 1-valve, a 2-coupling, a 3-valve rod, a 4-flange, a 5-embedded bracket, a 6-operating device, a 7-tower body, an 8-operating chamber, a 9-connecting pipe, a 10-water outlet pipeline and a 16-water outlet.
Detailed Description
The invention will now be described in further detail with reference to the drawings and specific examples, which are given for clarity of understanding and are not to be construed as limiting the invention.
The invention provides a reservoir tower type layered water intake, which comprises a plurality of water inlet pipes distributed from top to bottom in a tower body, wherein an operation chamber is arranged at the top of each water inlet pipe; the driving shafts of the operating devices are connected with embedded brackets penetrating through the ground of the operating room, and valve rods through which the embedded brackets pass are connected with corresponding valves; the plurality of operating devices drive the corresponding valves to move up and down by driving the valve rods to rotate, so that the corresponding water inlet pipes are opened or closed.
The valve rod comprises a plurality of sections, and the two ends of each section of valve rod are fixedly sleeved with the adjacent valve rods through flanges.
The valve rod is fixedly connected with the operating device through an embedded bracket, and the embedded bracket comprises a bracket body with a tubular structure, a driving sleeve and a driving square shaft; the bottom end of the bracket body is pre-buried in the ground of the operation room, and the top end of the bracket body is fixed at the bottom of the operation device; the top end of the driving square shaft is fixed in the bracket body and fixedly connected with the operating device; the bottom end of the driving square shaft is fixedly connected with the top end of the driving sleeve through a square head; the bottom end of the driving sleeve is fixedly connected with the valve rod through a flange; the bottom of the bracket body is supported around the driving sleeve. The bottom of the support body passes through the bottom wall of the operation chamber, and the top end of the driving sleeve enters the ground wall of the operation chamber through the support body and is fixedly connected with the driving square shaft in the support body.
The valve top is provided with the connecting axle, and the valve rod passes the connecting axle and is connected with the valve. The water inlets of the water inlet pipes are positioned outside the tower body, the water inlet pipes are distributed on a plurality of different planes, and the extending directions of the water inlet pipes are perpendicular to the axis of the tower body; the plurality of water inlet pipes are communicated through connecting pipes, the extending direction of the connecting pipes is parallel to the axial direction of the tower body, and the connecting pipes are communicated with water outlets positioned outside the tower body through water outlet pipes. The water inlet pipes are uniformly distributed along the circumference by taking the axle center of the connecting pipe as the circle center. The operating device comprises a rotating hand wheel and a motor, and the rotating hand wheel and the motor respectively drive the driving shaft to rotate. The valve adopts an elastic seat sealing valve and adopts a flexible rubber flashboard for sealing. The operation devices are all positioned on the ground in the operation room and right below the corresponding gates, so that reasonable and optimal distribution of the structure of the invention is ensured.
As shown in fig. 1, the specific embodiment provides a reservoir tower type layered water intake, which comprises a primary water inlet 11, a primary valve 12, a primary valve rod 13, a primary operating device 14, a primary water inlet pipe 15, a secondary water inlet 21, a secondary water inlet 22, a secondary valve rod 23, a secondary operating device 24, a secondary water inlet pipe 25, a tertiary water inlet 31, a tertiary valve 32, a tertiary valve rod 33, a tertiary operating device 34, a tertiary water inlet pipe 35, a valve 1, a coupling 2, a valve rod 3, a flange 4, an embedded bracket 5, an operating device 6, a tower body 7, an operating chamber 8, a connecting pipe 9, a water outlet pipe 10 and a water outlet 16.
The water inlets of the three-stage water inlet pipes are all positioned outside the tower body, the extending directions of the water inlet pipes are vertical to the axis of the tower body, the water inlet pipes are communicated through connecting pipes, the extending directions of the connecting pipes are parallel to the axis direction of the tower body, and the connecting pipes are communicated with the water outlets positioned outside the tower body through water outlet pipes. The water intake elevations of the primary water inlet 11, the secondary water inlet 21 and the tertiary water inlet 31 are determined according to water intake requirements, the size of the water inlets is determined according to water intake, the arrangement of the three water inlets is carried out on the premise that the operation of each valve rod and the operation device is not affected, the relative position relation diagram of each water inlet in space can be shown as a tower type water inlet structure diagram and an I-I section diagram in fig. 1, namely, the arrangement of the water inlets of all stages is staggered and orderly, the water inlet pipes are uniformly distributed along the circumference by taking the axle center of the connecting pipe as the circle center, the water inlet pipes can be independently opened and closed, and the water diversion pipes connected with the water inlet pipes are arranged behind the valves.
The primary valve 12, the secondary gate 22, and the tertiary gate 32 are respectively arranged on the respective stage water intake pipes (i.e., the primary water intake pipe 15, the secondary water intake pipe 25, and the tertiary water intake pipe 35) in the downstream side water intake tower of the corresponding primary water inlet 11, secondary water inlet 21, and tertiary water inlet 31, and the primary operating device 14, the secondary operating device 24, and the tertiary operating device 34 are intensively arranged on the operating platform at the upper portion of the water intake tower, and the corresponding primary valve 12, secondary valve 22, and tertiary valve 32 are respectively opened and closed by the primary valve stem 13, secondary valve stem 23, and tertiary valve stem 33.
The valve 1 selects an elastic seat sealing valve according to the diameter of the water inlet and the design water head, and the elastic seat sealing valve is flat without a groove and is sealed by a flexible rubber flashboard, so that the valve has the advantages of no internal leakage, no external leakage, small torsion, long service life and the like.
The valve rod 3 is produced and manufactured in sections, so that the construction site is convenient to directly splice, the two ends of each valve rod are connected by adopting the flange 4, the functions of positioning, transmission and sealing are realized, and the installation is simple and reliable.
As shown in fig. 3, the coupling 2 is used for connecting a valve and an extension valve rod, and has the functions of positioning, transmission, sealing and supporting (self weight of the extension valve rod).
As shown in fig. 4, the valve rod 1 is fixedly connected with the operating device through an embedded bracket 5, and the embedded bracket 5 comprises a bracket body 51, a driving sleeve 52 and a driving square shaft 53 which are of tubular structures; the bottom end of the bracket body 51 is pre-buried in the ground of the operation room 8, and the top end of the bracket body 51 is fixed at the bottom of the operation device 6; the top end of the driving square shaft 53 is fixed in the bracket body 51 and fixedly connected with the operating device; the driving square shaft 53 is fixedly connected with the top end of the driving sleeve 52 through a square head; the bottom of the driving square shaft is fixedly sleeved in the driving sleeve; the bottom end of the driving sleeve 52 is fixedly connected with the valve rod 3 through a flange. The driving sleeve is connected with the valve rod by a standard flange of the valve rod, and has the functions of positioning, transmission and sealing. The top end of the driving sleeve is fixed at the bottom of the driving square shaft positioned in the operation room through the square head, has longer elasticity, and can stretch and retract according to the actual situation on site. The bracket body 51 is pre-buried on the ground of the operation room and supported around the driving sleeve, and ensures stable connection of the driving square shaft and the operation device. The bracket body is pre-buried and poured on site.
The operating device 6 of each level of valve, i.e. the driving device is arranged on the operating platform at the upper part of the water intake tower, the operating device comprises a rotating hand wheel and a motor, and can realize manual and electric control, i.e. the valve rod is driven to rotate by rotating the hand wheel or the motor, thereby driving the valve plate of the valve to ascend or descend and opening or intercepting water flow.
The invention belongs to the field of hydraulic and hydroelectric engineering facilities, can realize the layered water taking function of a reservoir when applied to specific hydraulic engineering, can realize the opening and closing of water inlet valves of each level operated on an operation platform at the upper part of a water intake tower, avoids manual entry into the bottom of the water intake tower to open and close the valves, ensures the safety of staff, and has the advantages of reasonable structure, practical function, safe and convenient operation and the like. What is not described in detail in this specification is prior art known to those skilled in the art.
Claims (3)
1. The reservoir tower type layered water intake comprises a plurality of water inlet pipes which are distributed from top to bottom in a tower body, wherein an operation chamber is arranged at the top of each water inlet pipe; the driving shafts of the operating devices are connected with embedded brackets penetrating through the ground of the operating room, and valve rods through which the embedded brackets pass are connected with corresponding valves; the plurality of operating devices drive the corresponding valves to move up and down by driving the valve rods to rotate, so that the corresponding water inlet pipes are opened or closed; the valve rod comprises a plurality of sections, and the two ends of each section of valve rod are fixedly sleeved with the adjacent valve rods through flanges; the valve rod is fixedly connected with the operating device through an embedded bracket, and the embedded bracket comprises a bracket body with a tubular structure, a driving sleeve and a driving square shaft; the bottom end of the bracket body is pre-buried in the ground of the operation room, and the top end of the bracket body is fixed at the bottom of the operation device; the top end of the driving square shaft is fixed in the bracket body and fixedly connected with the operating device; the bottom end of the driving square shaft is fixedly connected with the top end of the driving sleeve through a square head; the bottom end of the driving sleeve is fixedly connected with the valve rod through a flange; the top of the valve is provided with a connecting shaft, and the valve rod passes through the connecting shaft to be connected with the valve; the water inlets of the water inlet pipes are positioned outside the tower body, the water inlet pipes are distributed on a plurality of different planes, and the extending directions of the water inlet pipes are perpendicular to the axis of the tower body; the plurality of water inlet pipes are communicated through connecting pipes, the extending direction of the connecting pipes is parallel to the axial direction of the tower body, and the connecting pipes are communicated with water outlets positioned outside the tower body through water outlet pipes; the plurality of water inlet pipes are uniformly distributed along the circumference by taking the axle center of the connecting pipe as the circle center.
2. The reservoir tower type layered water intake according to claim 1, wherein the operation device comprises a rotating hand wheel and a motor, and the rotating hand wheel and the motor respectively drive the driving shaft to rotate.
3. The reservoir tower-type layered water intake of claim 1, wherein the valve is an elastomeric seat valve and is sealed with a flexible rubber gate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810324165.2A CN108396817B (en) | 2018-04-12 | 2018-04-12 | Tower type layered water intake of reservoir |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810324165.2A CN108396817B (en) | 2018-04-12 | 2018-04-12 | Tower type layered water intake of reservoir |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108396817A CN108396817A (en) | 2018-08-14 |
| CN108396817B true CN108396817B (en) | 2024-02-02 |
Family
ID=63099664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810324165.2A Active CN108396817B (en) | 2018-04-12 | 2018-04-12 | Tower type layered water intake of reservoir |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108396817B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112144607A (en) * | 2020-09-22 | 2020-12-29 | 中国电建集团贵阳勘测设计研究院有限公司 | Gravity flow type pipeline layering water taking system |
| RU203775U1 (en) * | 2020-09-25 | 2021-04-21 | Федеральное государственное автономное образовательное учреждение высшего образования "Пермский государственный национальный исследовательский университет" (ПГНИУ) | DEVICE FOR SELECTIVE WATER SELECTION FROM BOTTOM HORIZONS OF A STRATIFIED WATER BODY |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0610331A (en) * | 1992-06-25 | 1994-01-18 | Marsima Aqua Syst Corp | Porous type water-intake device |
| CN201196269Y (en) * | 2008-05-27 | 2009-02-18 | 上海艾维科阀门有限公司 | Valve rod structure used for butterfly valve |
| CN202164660U (en) * | 2011-04-22 | 2012-03-14 | 中国瑞林工程技术有限公司 | Layered water intake gallery for earth surface reservoir |
| CN202674356U (en) * | 2012-06-18 | 2013-01-16 | 泉州市沪航阀门制造有限公司 | Elastic base gate-seal valve with telescopic valve rod |
| CN203627817U (en) * | 2013-10-24 | 2014-06-04 | 天津百利展发集团有限公司 | Buried butterfly valve with telescopic lengthened rod device |
| CN204253903U (en) * | 2014-11-05 | 2015-04-08 | 中石化洛阳工程有限公司 | A kind of gate valve for buried pipeline |
| CN205935047U (en) * | 2016-05-31 | 2017-02-08 | 中国电建集团华东勘测设计研究院有限公司 | Laminated water taking formula water inlet structure |
| CN208201997U (en) * | 2018-04-12 | 2018-12-07 | 长江勘测规划设计研究有限责任公司 | The tower stratified pumping mouth of reservoir |
-
2018
- 2018-04-12 CN CN201810324165.2A patent/CN108396817B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0610331A (en) * | 1992-06-25 | 1994-01-18 | Marsima Aqua Syst Corp | Porous type water-intake device |
| CN201196269Y (en) * | 2008-05-27 | 2009-02-18 | 上海艾维科阀门有限公司 | Valve rod structure used for butterfly valve |
| CN202164660U (en) * | 2011-04-22 | 2012-03-14 | 中国瑞林工程技术有限公司 | Layered water intake gallery for earth surface reservoir |
| CN202674356U (en) * | 2012-06-18 | 2013-01-16 | 泉州市沪航阀门制造有限公司 | Elastic base gate-seal valve with telescopic valve rod |
| CN203627817U (en) * | 2013-10-24 | 2014-06-04 | 天津百利展发集团有限公司 | Buried butterfly valve with telescopic lengthened rod device |
| CN204253903U (en) * | 2014-11-05 | 2015-04-08 | 中石化洛阳工程有限公司 | A kind of gate valve for buried pipeline |
| CN205935047U (en) * | 2016-05-31 | 2017-02-08 | 中国电建集团华东勘测设计研究院有限公司 | Laminated water taking formula water inlet structure |
| CN208201997U (en) * | 2018-04-12 | 2018-12-07 | 长江勘测规划设计研究有限责任公司 | The tower stratified pumping mouth of reservoir |
Non-Patent Citations (1)
| Title |
|---|
| 武汉水利电力学院主编.《水工建筑物》.水利电力出版社,1984,第176-178页. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108396817A (en) | 2018-08-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204225261U (en) | One is buried sewage lifting pump station integrally | |
| CN108396817B (en) | Tower type layered water intake of reservoir | |
| CN205116383U (en) | Prefabricated pump station of integration with bobbin base is from cleaning device | |
| CN111593789B (en) | Outdoor fire hydrant convenient to sluicing | |
| CN104294908A (en) | Intelligent type integrated airtight sewage lifting pump station | |
| CN208201997U (en) | The tower stratified pumping mouth of reservoir | |
| CN205348378U (en) | Prefabricated pump station bottom pull rod goes up and down from cleaning device | |
| CN207048026U (en) | Prefabricated pumping plant in parallel | |
| CN205604432U (en) | Prefabricated pump station of integration with barrel strengthening rib | |
| CN204983096U (en) | Prefabricated pump station of formula of burying | |
| CN206318781U (en) | A kind of aeration device for being easy to Quick overhaul | |
| CN209196373U (en) | A kind of petroleum pipeline valve attachment device | |
| CN207760873U (en) | Assembled steel pipe gallery sewage conduct maintenance structure | |
| CN208331277U (en) | A kind of angle valve being easily installed maintenance | |
| CN204961987U (en) | A direct action type automatic water supply valve for solar water heater | |
| CN207349671U (en) | Safety-type pressure balanced compensator | |
| CN207295964U (en) | A kind of horizontal prefabricated pumping plant of integration | |
| CN205742380U (en) | A kind of novel non-negative pressure water supply steady flow compensation tank | |
| CN108589626B (en) | Assembled reservoir graded water inlet device and application method thereof | |
| CN111022696A (en) | Combined cut-off device and pipeline provided with same | |
| CN219975576U (en) | Safe and reliable two-way speed regulation hydraulic valve group | |
| CN220396587U (en) | Loose joint vertical check valve | |
| KR102646119B1 (en) | Steel pipe with sluice valve chamber | |
| CN214037059U (en) | Split type flow regulating valve | |
| CN206070642U (en) | A kind of energy-conservation suitable for new developing region, efficiently supply water pumping plant |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |