CN207610199U - Drain tank water level balanee device - Google Patents
Drain tank water level balanee device Download PDFInfo
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- CN207610199U CN207610199U CN201721796799.5U CN201721796799U CN207610199U CN 207610199 U CN207610199 U CN 207610199U CN 201721796799 U CN201721796799 U CN 201721796799U CN 207610199 U CN207610199 U CN 207610199U
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- drain tank
- motor
- water
- driven valve
- controller
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Abstract
The utility model discloses a kind of drain tank water level balanee devices, including steam turbine vacuum system (1), steam turbine vacuum system (1) is connected with drain tank (3) through water-supply-pipe (2), water-supply-pipe (2) is equipped with the first motor-driven valve (4), drain tank (3) is connected with oxygen-eliminating device (6) through pipeline (5), return duct (7) is equipped between drain tank (3) and steam turbine vacuum system (1), return duct (7) is equipped with the second motor-driven valve (8), and multiple U-tubes (9) are additionally provided on return duct (7)；It is additionally provided with liquid level gauge (10) in the drain tank (3), liquid level gauge (10) is connected with controller (11), controller (11) is connected with the pressure sensor (12) positioned at drain tank (3) bottom, and the controller (11) is also connected with the first motor-driven valve (4) and the second motor-driven valve (8) respectively.The utility model has the characteristics that water level regulation is flexible and improves water utilization rate.
Description
Technical field
The utility model is related to a kind of drain tank, especially a kind of drain tank water level balanee device.
Background technology
Condensed water can be discharged into drain tank by the steam turbine vacuum system used in steam power plant, then through drain tank by water
It is sent into oxygen-eliminating device after carrying out deoxygenation processing, is sent into boiler and reuses.But in routine use, due to steam turbine vacuum
The condensation rate of system and the conveying speed of drain tank are inconsistent, and the water in drain tank is easy to overflow, the water level regulation of drain tank
Ability is weaker, so both waste water resources, can also influence the environment of workshop.Therefore, there is water level tune for existing technology
Energy saving power is weak and the serious problem of water resource waste.
Utility model content
The purpose of the utility model is to provide a kind of drain tank water level balanee devices.The utility model has water level tune
The characteristics of section is flexible and improves water utilization rate.
The technical solution of the utility model：Drain tank water level balanee device, including steam turbine vacuum system, steam turbine vacuum system
Be connected with drain tank through water-supply-pipe, water-supply-pipe is equipped with the first motor-driven valve, and drain tank is connected with oxygen-eliminating device through pipeline, drain tank and
Return duct is equipped between steam turbine vacuum system, return duct is equipped with the second motor-driven valve, multiple U-tubes are additionally provided on return duct；Institute
It states and is additionally provided with liquid level gauge in drain tank, liquid level gauge is connected with controller, and controller is connected with the pressure biography positioned at drain tank bottom
Sensor, the controller are also connected with the first motor-driven valve and the second motor-driven valve respectively.
In drain tank water level balanee device above-mentioned, the U-tube is located at the second motor-driven valve close to the side of drain tank；
It is hinged with backstop disk at the U-tube nozzle.
In drain tank water level balanee device above-mentioned, the pipeline is equipped with water pump, and controller is connected with water pump.
In drain tank water level balanee device above-mentioned, the hydrophobic chamber interior wall is additionally provided with the flow deflector of screw arrangement, dredges
The outer wall of water tank is equipped with insulating layer and flame-retardant layer successively.
Compared with prior art, the utility model between steamer vacuum system and drain tank by being arranged return duct, profit
The water level of the condensed water in drain tank is adjusted with the negative pressure in steamer vacuum system, it is simple in structure, it is easy to operate；Together
When, double monitoring is carried out to the water level in drain tank by the liquid level gauge and pressure sensor that are arranged on drain tank, is conducive to
The precision of water level regulation is improved, and by the mutual cooperation of controller and the first motor-driven valve and the second motor-driven valve, realizes automatic adjust
Water-saving position.The utility model can be prevented effectively in condensate return to drain tank by the way that U-tube is arranged on return duct.
In conclusion the utility model has the characteristics that water level regulation is flexible and improves water utilization rate.
In addition, the flow deflector by the way that helical structure is arranged on the inner wall of drain tank, can improve condensed water in drain tank
Flowing velocity, carry out deoxygenation and desalination operation convenient for condensed water.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the control figure of the utility model.
Label in attached drawing be：1- steam turbine vacuum systems, 2- water-supply-pipes, 3- drain tanks, the first motor-driven valves of 4-, 5- pipelines,
6- oxygen-eliminating devices, 7- return ducts, the second motor-driven valves of 8-, 9-U type pipes, 10- liquid level gauges, 11- controllers, 12- pressure sensors, 13-
Backstop disk, 14- water pumps, 15- flow deflectors, 16- insulating layers, 17- flame-retardant layers.
Specific implementation mode
The utility model is further described with reference to the accompanying drawings and examples, but is not intended as to the utility model
The foundation of limitation.
Embodiment.Drain tank water level balanee device is constituted as depicted in figs. 1 and 2, including steam turbine vacuum system 1, and steam turbine is true
Empty set system 1 is connected with drain tank 3 through water-supply-pipe 2, and water-supply-pipe 2 is equipped with the first motor-driven valve 4, and drain tank 3 is connected with through pipeline 5 and removes
Oxygen device 6, is equipped with return duct 7 between drain tank 3 and steam turbine vacuum system 1, return duct 7 is equipped with the second motor-driven valve 8, return duct 7
On be additionally provided with multiple U-tubes 9；Liquid level gauge 10 is additionally provided in the drain tank 3, liquid level gauge 10 is connected with controller 11, controller
11 are connected with the pressure sensor 12 positioned at 3 bottom of drain tank, and the controller 11 is also electric with the first motor-driven valve 4 and second respectively
Dynamic valve 8 is connected.
The U-tube 9 is located at the second motor-driven valve 8 close to the side of drain tank 3；It is hinged with only at 9 nozzle of the U-tube
Block plate 13.
The pipeline 5 is equipped with water pump 14, and controller 11 is connected with water pump 14.
3 inner wall of drain tank is additionally provided with the flow deflector 15 of screw arrangement, and the outer wall of drain tank 3 is equipped with insulating layer successively
16 and flame-retardant layer 17.
The steam turbine vacuum system includes steam turbine, condenser, condensate pump and air ejector.
The course of work of the utility model：Condensed water is delivered to through water-supply-pipe in drain tank and carries out just by steam turbine vacuum system
The deoxygenation of step is handled, and the condensed water in drain tank, which is then delivered to oxygen-eliminating device, through pipeline carries out further deoxygenation processing.When
When liquid level gauge detects that the liquid level in drain tank is more than design water level, controller is analyzed by the numerical value with pressure sensor
Compare, when the two is consistent, controller will control the first motor-driven valve opening and turn down until close, meanwhile, controller control the
Two motor-driven valves are opened so that drain tank is connected to the negative pressure box case in steam turbine vacuum system, under the action of negative pressure, in drain tank
Water will be inhaled into steam turbine vacuum system, to carry out the adjusting of water level.
Backstop disk can only move in one direction, i.e., backstop when condensed water is flowed out of drain tank in steam turbine vacuum system
Disk is opened, on the contrary then close, so as to stop condensate return.
Claims (4)
1. drain tank water level balanee device, it is characterised in that：Including steam turbine vacuum system (1), steam turbine vacuum system (1) is through water delivery
Pipe (2) is connected with drain tank (3), and water-supply-pipe (2) is equipped with the first motor-driven valve (4), and drain tank (3) is connected with through pipeline (5) and removes
Oxygen device (6), is equipped with return duct (7) between drain tank (3) and steam turbine vacuum system (1), return duct (7) is equipped with the second motor-driven valve
(8), multiple U-tubes (9) are additionally provided on return duct (7)；It is additionally provided with liquid level gauge (10), liquid level gauge (10) in the drain tank (3)
It is connected with controller (11), controller (11) is connected with the pressure sensor (12) positioned at drain tank (3) bottom, the controller
(11) also it is connected respectively with the first motor-driven valve (4) and the second motor-driven valve (8).
2. drain tank water level balanee device according to claim 1, it is characterised in that：The U-tube (9) is located at second
Motor-driven valve (8) is close to the side of drain tank (3)；It is hinged with backstop disk (13) at U-tube (9) nozzle.
3. drain tank water level balanee device according to claim 1, it is characterised in that：The pipeline (5) is equipped with water pump
(14), and controller (11) is connected with water pump (14).
4. drain tank water level balanee device according to claim 1, it is characterised in that：Described drain tank (3) inner wall is also
The outer wall of flow deflector (15) equipped with screw arrangement, drain tank (3) is equipped with insulating layer (16) and flame-retardant layer (17) successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721796799.5U CN207610199U (en) | 2017-12-20 | 2017-12-20 | Drain tank water level balanee device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721796799.5U CN207610199U (en) | 2017-12-20 | 2017-12-20 | Drain tank water level balanee device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207610199U true CN207610199U (en) | 2018-07-13 |
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ID=62799529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721796799.5U Active CN207610199U (en) | 2017-12-20 | 2017-12-20 | Drain tank water level balanee device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207610199U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109141694A (en) * | 2018-07-20 | 2019-01-04 | 渝新智能科技（上海）有限公司 | A kind of signal source device, detection system and supporting body |
-
2017
- 2017-12-20 CN CN201721796799.5U patent/CN207610199U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109141694A (en) * | 2018-07-20 | 2019-01-04 | 渝新智能科技（上海）有限公司 | A kind of signal source device, detection system and supporting body |
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