CN206094953U - Steam turbine jetting air -bleed system - Google Patents
Steam turbine jetting air -bleed system Download PDFInfo
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- CN206094953U CN206094953U CN201621071263.2U CN201621071263U CN206094953U CN 206094953 U CN206094953 U CN 206094953U CN 201621071263 U CN201621071263 U CN 201621071263U CN 206094953 U CN206094953 U CN 206094953U
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- water
- jet air
- jetting case
- jetting
- water jet
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Abstract
The utility model provides a steam turbine jetting air -bleed system, belongs to electricity generation technical field for improving water jet air ejector work efficiency and reducing the waste of water resource, its technical scheme is, including water jet air ejector, jetting case, lower cistern and recovered water pump in the constitution, water jet air ejector uses the water of storing to be connected with the exhaust tube of condenser as work water, water jet air ejector's suction chamber in the jetting case, the cooling tower moisturizing pipe in the moisturizing pipe connector power plant of jetting case, lower cistern's water inlet connects the warning pipe of jetting case, and the delivery port connects recovered water pump's water inlet, recovered water pump's delivery port connects condenser refrigeration cycle water wet return. The utility model discloses regard the cooling tower moisturizing as jetting case moisturizing water source, greatly reduced jetting case moisturizing temperature, improved water jet air ejector's work efficiency, reduced generating set's energy consumption. Simultaneously, this system utilizes lower cistern and recovered water pump to retrieve work water, has avoided the waste of water resource.
Description
Technical field
This utility model is related to a kind of water jet air suction system for maintaining Steam Turbine Condenser Vacuum degree, belongs to generating skill
Art field.
Background technology
Water jet air ejector is the device for maintaining condenser vacuum, the quality of its running status to the safety of unit and
Economy plays an important role.The operation principle of water jet air ejector is：Water-jet pump working water Jing with certain pressure out
Hydroecium enters nozzle, current from nozzle at high speeds project while, in the indoor formation vacuum of suction, by leak into condenser air and
A small amount of steam that do not coagulate continuously is extracted out.The height of water jet air ejector efficiency depends not only on the structure of its own, working water
Pressure and flow velocity, also affected by work coolant-temperature gage to a great extent.At present, the working water of water jet air ejector is adopted mostly
It is turbine condenser cooling circulating water, during the broiling summer, the temperature of turbine condenser cooling circulating water is up to 30-
36 DEG C, water tank temperature is higher, can reach more than 40 DEG C, greatly reduces water jet air ejector work efficiency, have impact on steam turbine and coagulates
The vacuum of vapour device, so as to increased the energy consumption of generating set.Additionally, in existing water jet air ejector water charging system, work
Recirculated water afterwards is not typically reclaimed, and causes the significant wastage of water resource.
Utility model content
The purpose of this utility model is the drawback for prior art, there is provided a kind of steam turbine water jet air suction system, with
Water jet air ejector work efficiency is improved, the waste of water resource is reduced.
Problem described in the utility model is with following technical proposals realization：
A kind of steam turbine water jet air suction system, composition includes water jet air ejector, jetting case, lower water box and recycle-water
Pump, the water that the water jet air ejector is stored with jetting case as working water, the suction chamber of water jet air ejector and the pumping of condenser
Pipe connects；The cooling tower filling pipe of the filling pipe sending and receiving power plant of the jetting case；The water inlet of the lower water box connects jetting
The overflow pipe of case, outlet connects the water inlet of recovered water pump, and the outlet of the recovered water pump connects condenser cooling circulating water and returns
Water pipe.
Above-mentioned steam turbine water jet air suction system, the lower water box is provided with far transmission level meter, and the far transmission level meter is defeated
The liquid level signal for going out connects the controller of recovered water pump.
Above-mentioned steam turbine water jet air suction system, the overflow pipe of the jetting case arranges two, and they are symmetrically mounted on jetting
The both sides of case.
Above-mentioned steam turbine water jet air suction system, the upper edge of the lower water box than on jetting case along low 1 meter.
Cooling tower moisturizing as jetting case moisturizing water source, is greatly reduced jetting case moisturizing temperature by this utility model,
The work efficiency of water jet air ejector is improve, the energy consumption of generating set is reduced.Meanwhile, the system is using lower water box and recovery
Water pump is reclaimed to working water, it is to avoid the waste of water resource.
Description of the drawings
Fig. 1 is structural representation of the present utility model.
Labelling is as follows in figure：1st, condenser cooling circulating water return pipe, 2, exhaust tube, 3, condenser, 4, water circulating pump, 5,
Condenser cooling circulating water water inlet pipe, 6, water jet air ejector, 7, jetting case, the 8, first overflow pipe, the 9, second overflow pipe, 10, low
Position water tank, 11, recovered water pump, 12, cooling tower, 13, jetting case moisturizing supervisor, 14, jetting case moisturizing arm, 15, cooling water
Tower filling pipe.
Specific embodiment
Below in conjunction with the accompanying drawings the utility model is described in further detail.
This utility model provides a kind of improved steam turbine water jet air suction system, thoroughly solves summer water jet air ejector
The problem of working water temperature drift, improves the operational efficiency of water jet air ejector, reduces the waste of water resource.
Referring to Fig. 1, this utility model includes water jet air ejector 6,7, two overflow pipes of jetting case（First overflow pipe 8 and
Two overflow pipes 9）, lower water box 10, the filling pipe of recovered water pump 11 and jetting case（Including jetting case moisturizing supervisor 13 and jetting case
Moisturizing arm 14）.
Install jetting case moisturizing supervisor 13 additional on cooling tower filling pipe 15, jetting case moisturizing supervisor 13 is mended by jetting case
Water arm 14 is connected to the jetting case 7 of each unit, from jetting case moisturizing supervisor 13 and jetting case moisturizing arm 14 into jetting case 7
New water is filled into, new coolant-temperature gage is at 20-30 DEG C or so.The first overflow pipe 8 is provided with the side of jetting case 7, opposite side is set up second and overflow
Flow tube 9, while newly-increased one is penetrated water tank capacity identical lower water box 10 with original, the overflow water of jetting case 7 is drawn by two overflow pipes
Cause in lower water box 10, then by recovered water pump 11 dozens to cooling tower 12.During the broiling summer, sustainability is mended to jetting case 7
Water, by two overflow pipes Water in Water Tank replacement amount is improved, and water tank temperature is reduced to into 20-30 DEG C, and the overflow water of recovery is used as cooling water
Tower moisturizing.
A diameter of 100mm, a diameter of 50mm of jetting case moisturizing arm 14, than former jetting of jetting case moisturizing supervisor 13
The caliber of case moisturizing pipeline is big.A diameter of 100mm of two overflow pipes.The volume phase of the volume of lower water box 10 and jetting case 7
Together, it is 10m3, on lower water box 10 along with jetting case 7 on along difference in height be 1m, lower water box 10 be in low level, lower water box
Install far transmission level meter on 10 additional（It is not drawn in figure）.
In the overflow water of jetting case 7 injection lower water box 10, liquid level upper lower limit value is set, when lower water box water level exceedes the upper limit
During value, start recovered water pump 10, overflow water Jing turbine condenser cooling circulating waters return pipe 1 dozen is to cooling tower 12.
This utility model energy-saving and environmental protection effect is significant, reduces entreprise cost, improves economic benefit.
Claims (4)
1. a kind of steam turbine water jet air suction system, is characterized in that, composition includes water jet air ejector（6）, jetting case（7）, low level
Water tank（10）And recovered water pump（11）, the water jet air ejector（6）With jetting case（7）The water of middle storage is working water, and jetting is taken out
Gas device（6）Suction chamber and condenser（3）Exhaust tube（2）Connection；The jetting case（7）Filling pipe sending and receiving power plant cooling
Water tower filling pipe（15）；The lower water box（10）Water inlet connect jetting case（7）Overflow pipe, outlet connects recovered water pump
（11）Water inlet, the recovered water pump（11）Outlet connect condenser cooling circulating water return pipe（1）.
2. a kind of steam turbine water jet air suction system according to claim 1, is characterized in that, the lower water box（10）On set
The liquid level signal for having far transmission level meter, the far transmission level meter output connects recovered water pump（11）Controller.
3. a kind of steam turbine water jet air suction system according to claim 1 and 2, is characterized in that, the jetting case（7）Overflow
Water pipe arranges two, and they are symmetrically mounted on jetting case（7）Both sides.
4. a kind of steam turbine water jet air suction system according to claim 3, is characterized in that, the lower water box（10）It is upper
Along than jetting case（7）On along low 1 meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621071263.2U CN206094953U (en) | 2016-09-22 | 2016-09-22 | Steam turbine jetting air -bleed system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621071263.2U CN206094953U (en) | 2016-09-22 | 2016-09-22 | Steam turbine jetting air -bleed system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206094953U true CN206094953U (en) | 2017-04-12 |
Family
ID=58480334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621071263.2U Active CN206094953U (en) | 2016-09-22 | 2016-09-22 | Steam turbine jetting air -bleed system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206094953U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108868920A (en) * | 2018-06-22 | 2018-11-23 | 武汉武泵泵业制造有限公司 | A kind of Turbine Cold Junction optimization system suitable for northern power plant |
| CN113217480A (en) * | 2021-06-22 | 2021-08-06 | 宝武集团鄂城钢铁有限公司 | Self-circulation cooling system of water jet air extractor |
-
2016
- 2016-09-22 CN CN201621071263.2U patent/CN206094953U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108868920A (en) * | 2018-06-22 | 2018-11-23 | 武汉武泵泵业制造有限公司 | A kind of Turbine Cold Junction optimization system suitable for northern power plant |
| CN113217480A (en) * | 2021-06-22 | 2021-08-06 | 宝武集团鄂城钢铁有限公司 | Self-circulation cooling system of water jet air extractor |
| CN113217480B (en) * | 2021-06-22 | 2023-03-10 | 宝武集团鄂城钢铁有限公司 | Self-circulation cooling system of water jet air extractor |
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