CN202809697U - Water intake metering facility of built power plant - Google Patents
Water intake metering facility of built power plant Download PDFInfo
- Publication number
- CN202809697U CN202809697U CN2012204487287U CN201220448728U CN202809697U CN 202809697 U CN202809697 U CN 202809697U CN 2012204487287 U CN2012204487287 U CN 2012204487287U CN 201220448728 U CN201220448728 U CN 201220448728U CN 202809697 U CN202809697 U CN 202809697U
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- water
- water intake
- power plant
- pipeline
- metering facility
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Abstract
The utility model discloses a water intake metering facility of a built power plant. The water intake metering facility comprises a forebay, a pump room, a condenser and a siphon well with an overflow weir, wherein the forebay is communicated with a river pipeline; the pump room, the condenser and the siphon well are connected by using a pipeline in sequence; the forebay is also connected with the pump room through a pipeline; a pipeline close to the pump room or in the pump room is provided with a water intake straight pipeline section; an ultrasonic flow meter is arranged on the water intake straight pipeline section; and water level metering equipment is arranged in the siphon well. According to the water intake metering facility, the ultrasonic flow meter is particularly selected as a direct water intake metering device, so that the water intake metering facility is convenient to mount, a damaged surface of the pipe is small, and pipe breakage is not required; and in addition, the water level metering equipment is also arranged on the siphon well for measuring the overflow flow of the siphon well, and correction can be performed to obtain more accurate water intake data by only performing a series of comparison on measured data of the ultrasonic flow meter and the overflow flow of the siphon well at the time. The water intake metering facility has the advantages of convenience in mounting and arrangement, no need of pipe breakage and accurate measurement result and can be widely applied to inherent equipment of the built power plant.
Description
Technical field
The utility model relates to a kind of metering facility, particularly a kind of water metering facility for built power plant for calculating user's water withdrawal.
Background technology
Therefore the management system of water resources of China all needs water metering equipment is installed for various water rich anies influential family just at gradual perfection at present, and making it water withdrawal can accurately add up.But independently water metering device is not installed by the early stage power plant that builds of China's great majority, even metering device is still arranged but because the long function that loses of age is installed.So related management department carries out planned rectification to built power plant, supporting built water intake of power plant metering facility.But, in the present built water intake of power plant metering facility, the flow meters that adopt such as types such as electromagnetic flowmeter and spinner flowmeters more, its measuring accuracy is not high, and on-the-spot repacking trouble, water intake conduit need to be broken, and affects the normal operation of power plant.
In fact, the water intake facilities structure of power plant itself has its unique characteristics.With reference to Fig. 1, usually, it comprises a pump house 2, the pump house 2 other forebays 1 that arrange, forebay 1 is communicated with rivers and water is introduced in the pond, circulating water pump 21 in the pump house 2 extracts water by water intake conduit from forebay 1, then be delivered to outside the condenser 3 to carry out interchange of heat, and the warm water after the heat absorption will drain in the rivers.In order to reduce the off-lying sea tidal level to the efficient operation of the interference of draining and assurance water pump, row's warm water pipe end of power plant can arrange siphonic water-collecting well 4 usually, has overflow weir 41 in the siphonic water-collecting well 4, and overflow weir 41 roughly is divided into siphonic water-collecting well 4 two zones.After the water of power plant's draining pipe end covered overflow weir 41, because siphon principle, water can automatically be carried and drain, and outside tide then can not have influence on water intake facilities.
From said structure as can be known, in fact the pump house water withdrawal equates with the siphonic water-collecting well displacement, can calculate by the displacement of siphonic water-collecting well user's water withdrawal, and we can utilize these characteristics fully, design a kind of water metering facility that is fit to built power plant.
The utility model content
The technical problems to be solved in the utility model is: a kind of water metering facility that is fit to built power plant is provided, and it has the mounting arrangements convenience, need not brokenly pipe, the accurate characteristics of measurement result.
The solution that the utility model solves its technical problem is:
A kind of built water intake of power plant metering facility, comprise the forebay with the rivers pipeline communication, and the pump house, the condenser that couple together in turn with pipeline, the siphonic water-collecting well with overflow weir, described forebay also is connected with the pump house pipeline, contiguous pump house or the pipeline that is positioned at pump house have the straight tube of water intaking duct section, on the water intaking straight tube duct section ultrasonic flowmeter is housed, is provided with the water level measuring equipment in the described siphonic water-collecting well.
As further improvement in the technical proposal, described water level measuring equipment comprises upper pond level meter and level of tail water meter, and they are separately positioned on upstream and the downstream of siphonic water-collecting well.
As further improvement in the technical proposal, the utility model also comprises the data processing terminal that receives and process the feedback data of ultrasonic flowmeter, water level measuring equipment.
The beneficial effects of the utility model are: the utility model is chosen ultrasonic flowmeter especially as direct water metering device, and easy for installation like this, the surface of a wound of pipe is little, need not brokenly pipe; At siphonic water-collecting well the water level measuring equipment is set again in addition and measures the siphonic water-collecting well excess flow, only need when the time comes measured data and the siphonic water-collecting well excess flow of ultrasonic flowmeter are compared as series, can revise and obtain more accurate water withdrawal data.The utility model mounting arrangements is convenient, need not broken to manage, measurement result is accurate, can be widely used in the middle of the intrinsic equipment of built power plant.
Description of drawings
In order to be illustrated more clearly in the technical scheme among the utility model embodiment, the accompanying drawing of required use was done simple declaration during the below will describe embodiment.Obviously, described accompanying drawing is a part of embodiment of the present utility model, rather than whole embodiment, and those skilled in the art can also obtain other design schemes and accompanying drawing according to these accompanying drawings under the prerequisite of not paying creative work.
Fig. 1 is general built water intake of power plant facility structure schematic diagram;
Fig. 2 is construction module schematic diagram of the present utility model, and wherein arrow represents the flow direction of pipeline and water.
The specific embodiment
Be clearly and completely described below with reference to embodiment and the accompanying drawing technique effect to design of the present utility model, concrete structure and generation, to understand fully the purpose of this utility model, feature and effect.Obviously; described embodiment is a part of embodiment of the present utility model, rather than whole embodiment, based on embodiment of the present utility model; other embodiment that those skilled in the art obtains under the prerequisite of not paying creative work all belong to the scope that the utility model is protected.In addition, all connection/annexations of mentioning in the literary composition are not to refer to that singly member directly joins, and refer to and can connect auxiliary by adding or reducing according to the implementation situation, form more excellent draw bail.
With reference to Fig. 2, a kind of built water intake of power plant metering facility, comprise the forebay 1 with the rivers pipeline communication, and the pump house 2, the condenser 3 that couple together in turn with pipeline, the siphonic water-collecting well 4 with overflow weir, described forebay 1 also is connected with pump house 2 pipelines, contiguous pump house 2 or the pipeline that is positioned at pump house 2 have water intaking straight tube duct section 5, on the straight tube duct section 5 of fetching water ultrasonic flowmeter 6 are housed, and are provided with water level measuring equipment 7 in the described siphonic water-collecting well 4.
Be further used as preferred embodiment, described water level measuring equipment 7 comprises upper pond level meter and level of tail water meter, and they are separately positioned on upstream and the downstream of siphonic water-collecting well 4.Certainly, in the water flowing of dress water-level gauge, waterlevel data transmission and memory device also should be installed in the lump.Water-level gauge should install additional at the smooth-going place of siphonic water-collecting well overflow weir upstream and downstream current.
Be further used as preferred embodiment, the utility model also comprises the data processing terminal that receives and process the feedback data of ultrasonic flowmeter 6, water level measuring equipment 7.
The installation of ultrasonic flowmeter should consider the requirements such as straight length requirement, difficulty of construction and dispatch from foreign news agency access, chooses suitable mounting points and carry out in duct section.For example as shown in Figure 2, according to the pipe arrangement of built power plant, choose the duct section of pump house 2 back segments as water intaking straight tube duct section 5, and ultrasonic flowmeter 6 is mounted thereon.
To built power plant; because the water intaking pipeline has been laid complete; if according to conventional method; then need again lay pipeline; and need to shut down construction, and produce and produce larger economic loss with having a strong impact on power plant, the utility model need not to shut down brokenly pipe; not affecting power plant and normally produce, is more excellent economically scheme.
More than be that preferred embodiments of the present utility model is specified, but the invention is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent modifications or replacement under the prerequisite of the utility model spirit, the modification that these are equal to or replacement all are included in the application's claim limited range.
Claims (3)
1. built water intake of power plant metering facility, comprise the forebay (1) with the rivers pipeline communication, and the pump house (2), the condenser (3) that couple together in turn with pipeline, the siphonic water-collecting well (4) with overflow weir, described forebay (1) also is connected with pump house (2) pipeline, it is characterized in that: contiguous pump house (2) or the pipeline that is positioned at pump house (2) have the straight tube duct section (5) of water intaking, on the water intaking straight tube duct section (5) ultrasonic flowmeter (6) is housed, is provided with water level measuring equipment (7) in the described siphonic water-collecting well (4).
2. built water intake of power plant metering facility according to claim 1, it is characterized in that: described water level measuring equipment (7) comprises upper pond level meter and level of tail water meter, they are separately positioned on upstream and the downstream of siphonic water-collecting well (4).
3. built water intake of power plant metering facility according to claim 1 and 2 is characterized in that: the data processing terminal that it also comprises reception and processes the feedback data of ultrasonic flowmeter (6), water level measuring equipment (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204487287U CN202809697U (en) | 2012-09-04 | 2012-09-04 | Water intake metering facility of built power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204487287U CN202809697U (en) | 2012-09-04 | 2012-09-04 | Water intake metering facility of built power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202809697U true CN202809697U (en) | 2013-03-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012204487287U Expired - Lifetime CN202809697U (en) | 2012-09-04 | 2012-09-04 | Water intake metering facility of built power plant |
Country Status (1)
| Country | Link |
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| CN (1) | CN202809697U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105350609A (en) * | 2015-12-08 | 2016-02-24 | 国投钦州发电有限公司 | Nearshore submerged hole deep circulating water taking method for circulating water and facility thereof |
| CN114594803A (en) * | 2022-02-16 | 2022-06-07 | 广东省水利水电科学研究院 | Ecological flow discharge and monitoring equipment for small hydropower station and control method thereof |
-
2012
- 2012-09-04 CN CN2012204487287U patent/CN202809697U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105350609A (en) * | 2015-12-08 | 2016-02-24 | 国投钦州发电有限公司 | Nearshore submerged hole deep circulating water taking method for circulating water and facility thereof |
| CN114594803A (en) * | 2022-02-16 | 2022-06-07 | 广东省水利水电科学研究院 | Ecological flow discharge and monitoring equipment for small hydropower station and control method thereof |
| CN114594803B (en) * | 2022-02-16 | 2022-10-04 | 广东省水利水电科学研究院 | Ecological flow of little power station is released, monitoring facilities |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130320 |
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| CX01 | Expiry of patent term |