CN213060330U - Boiler feed water oxygenation system steady voltage adjusting device - Google Patents
Boiler feed water oxygenation system steady voltage adjusting device Download PDFInfo
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- CN213060330U CN213060330U CN202021662596.9U CN202021662596U CN213060330U CN 213060330 U CN213060330 U CN 213060330U CN 202021662596 U CN202021662596 U CN 202021662596U CN 213060330 U CN213060330 U CN 213060330U
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Abstract
The utility model discloses a boiler feed water oxygenation system pressure stabilizing and adjusting device, the outlet of an oxygen gas source is communicated with the inlet of an inlet pressure gauge, the outlet of the inlet pressure gauge is communicated with the inlet of a first stop valve and the inlet of a third stop valve, the outlet of the first stop valve is communicated with the inlet of a second stop valve through a pressure stabilizing valve and a gas float flowmeter, the outlet of the third stop valve is communicated with the inlet of the second stop valve, and the outlet of the second stop valve is communicated with an oxygenation point through an outlet pressure gauge; the control panel is connected with the control end of the first stop valve, the control end of the second stop valve, the control end of the third stop valve, the output end of the inlet pressure gauge, the output end of the outlet pressure gauge, the output end of the gas float flowmeter and the control end of the pressure stabilizing valve.
Description
Technical Field
The utility model belongs to the technical field of electric power industry boiler feedwater treatment, a boiler feedwater oxygenation system steady voltage adjusting device is related to.
Background
The gaseous oxygen adding treatment of boiler feed water in power plant is carried out by utilizing the pressure of oxygen in a high-pressure oxygen cylinder, reducing pressure, stabilizing pressure and other measures, and then the oxygen is conveyed to an oxygen adding point through a pipeline. The oxygen adding equipment is generally stored in a special room with the length of 0 meter in a main workshop, the oxygen adding point is generally arranged on a downcomer of a deaerator, the distance between the oxygen adding equipment and the downcomer is more than 100 meters, the oxygen flow at the outlet of the oxygen adding equipment can be accurately controlled, but oxygen is completely in an uncontrollable state after entering the conveying pipeline, changes along with the pressure of a water supply system of the oxygen adding point, generates compression or expansion in the pipeline, leads to the dissolved oxygen value of water to be suddenly high and low, and the dissolved oxygen on the steam side frequently exceeds the standard.
In order to reduce the influence, the current method is to add pressure stabilizing valves, pressure gauges and other components at the tail end of the pipeline to reduce the length of the uncontrollable oxygen pipeline, but because the oxygen adding point is higher, the difficulty of pressure stabilizing operation and monitoring of operators is higher, and in addition, the components are scattered, the construction is complex, and the daily overhaul and maintenance are not convenient.
To sum up, long distance pipeline has accumulated a large amount of oxygen, the actual addition of unable accurate control oxygen, and current surge damping valve spare part dispersion arranges, is not convenient for steady voltage operation and daily maintenance.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art's shortcoming, provide a boiler feed water adds oxygen system steady voltage adjusting device, the device can cross the long distance stable transmission that realizes oxygen, and steady voltage performance and reliability are higher, are convenient for maintain and control simultaneously.
In order to achieve the purpose, the pressure stabilizing and adjusting device of the boiler feed water oxygenation system comprises a pressure stabilizing control device, an oxygen gas source and an oxygenation point; the pressure stabilizing control device comprises a box body, a control panel, an inlet pressure gauge, a first stop valve, a second stop valve, a third stop valve, a pressure stabilizing valve, a gas float flowmeter and an outlet pressure gauge, wherein the inlet pressure gauge, the first stop valve, the second stop valve, the third stop valve, the pressure stabilizing valve, the gas float flowmeter and the outlet pressure gauge are arranged in the box body;
the outlet of the oxygen source is communicated with the inlet of an inlet pressure gauge, the outlet of the inlet pressure gauge is communicated with the inlet of a first stop valve and the inlet of a third stop valve, the outlet of the first stop valve is communicated with the inlet of a second stop valve through a pressure stabilizing valve and a gas float flowmeter, the outlet of the third stop valve is communicated with the inlet of the second stop valve, and the outlet of the second stop valve is communicated with an oxygen adding point through an outlet pressure gauge;
the control panel is connected with the control end of the first stop valve, the control end of the second stop valve, the control end of the third stop valve, the output end of the inlet pressure gauge, the output end of the outlet pressure gauge, the output end of the gas float flowmeter and the control end of the pressure stabilizing valve.
The oxygen source is communicated with the inlet joint through an oxygen conveying pipeline.
The control panel is arranged on the outer side surface of the box body.
The top of the box body is provided with an inlet connector and an outlet connector, wherein the outlet of the second stop valve is communicated with the oxygen adding point through an outlet pressure gauge and the outlet connector, and the outlet of the oxygen source is communicated with the inlet of the inlet pressure gauge through the inlet connector.
The utility model discloses following beneficial effect has:
boiler feed water oxygenation system steady voltage adjusting device when concrete operation, control panel passes through the pressure that entry manometer measured the oxygen air supply, measure the pressure of oxygenation point department oxygen through the export manometer, and adjust the steady voltage through the surge damping valve according to measured data, make pressure differential between entry manometer and the export manometer at 0.15MPa within range, make oxygen get into the oxygenation point under stable pressure differential, realize the long distance stable transmission of oxygen, steady voltage performance and reliability are higher, simultaneously, the entry manometer, the data that export manometer and gas float flowmeter detected show through control panel, be convenient for operation regulation operation and supervision. Additionally, the utility model discloses set up in oxygen pipeline's end, can carry out controllable regulation to the oxygen of whole pipeline, adapt to all gaseous schemes that add oxygen, solved the uncontrollable difficult problem of oxygen compression or inflation among the pipeline, simple structure, convenient operation, the practicality is extremely strong.
Drawings
FIG. 1 is a schematic diagram of the present invention;
fig. 2 is a schematic structural diagram of the middle voltage stabilization control device 12 of the present invention.
Wherein, 1 is an inlet pressure gauge, 2 is a first stop valve, 3 is a pressure stabilizing valve, 4 is a gas float flowmeter, 5 is a second stop valve, 6 is a third stop valve, 7 is an outlet pressure gauge, 8 is an inlet joint, 9 is an outlet joint, 10 is an oxygen source, 11 is an oxygen adding point, and 12 is a pressure stabilizing control device.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings:
referring to fig. 1 and 2, the pressure stabilizing and adjusting device of the boiler feed water oxygenation system of the present invention includes a pressure stabilizing control device 12, an oxygen source 10 and an oxygenation point 11; the pressure stabilizing control device 12 comprises a box body, a control panel, an inlet pressure gauge 1, a first stop valve 2, a second stop valve 5, a third stop valve 6, a pressure stabilizing valve 3, a gas float flowmeter 4 and an outlet pressure gauge 7 which are arranged in the box body; an outlet of an oxygen source 10 is communicated with an inlet of an inlet pressure gauge 1, an outlet of the inlet pressure gauge 1 is communicated with an inlet of a first stop valve 2 and an inlet of a third stop valve 6, an outlet of the first stop valve 2 is communicated with an inlet of a second stop valve 5 through a pressure stabilizing valve 3 and a gas float flowmeter 4, an outlet of the third stop valve 6 is communicated with an inlet of the second stop valve 5, and an outlet of the second stop valve 5 is communicated with an oxygenation point 11 through an outlet pressure gauge 7; the control panel is connected with the control end of the first stop valve 2, the control end of the second stop valve 5, the control end of the third stop valve 6, the output end of the inlet pressure gauge 1, the output end of the outlet pressure gauge 7, the output end of the gas float flowmeter 4 and the control end of the pressure stabilizing valve 3.
Specifically, an oxygen gas source 10 is communicated with the inlet joint 8 through an oxygen conveying pipeline, and a control panel is arranged on the outer side surface of the box body. The top of the box body is provided with an inlet joint 8 and an outlet joint 9, wherein the outlet of the second stop valve 5 is communicated with an oxygen adding point 11 through an outlet pressure gauge 7 and the outlet joint 9, and the outlet of an oxygen gas source 10 is communicated with the inlet of the inlet pressure gauge 1 through the inlet joint 8.
The utility model discloses a working process does:
an inlet pressure gauge 1 measures the pressure of an oxygen gas source 10, an outlet pressure gauge 7 measures the pressure of oxygen at an oxygenation point 11 (a water supply system), a control panel carries out setting and pressure stabilization through a pressure stabilizing valve 3, so that the pressure difference between the inlet pressure gauge 1 and the outlet pressure gauge 7 is within the range of +/-0.15 MPa, the oxygen enters the oxygenation point 11 under the stable pressure difference, the flow of the oxygen is displayed through a gas float flowmeter 4, a first stop valve 2 and a second stop valve 5 isolate the gas float flowmeter 4 from the pressure stabilizing valve 3, and the maintenance is convenient, in addition, during the maintenance, temporary oxygenation is carried out through a standby loop where the second stop valve 5 is located, after the maintenance is finished, the standby loop is switched to a pressure stabilizing loop where the pressure stabilizing valve 3 is located, data detected by the inlet pressure gauge 1, the outlet pressure gauge 7 and the gas float flowmeter 4 are displayed through the control panel, and meanwhile, the first stop, The second stop valve 5, the third stop valve 6 and the pressure stabilizing valve 3 are controlled through the control panel, operation and monitoring are convenient to operate and adjust, and construction is convenient and operation is simple through the reserved inlet joint 8 and the reserved outlet joint 9 during installation.
Claims (4)
1. A boiler feed water oxygenation system pressure stabilizing adjusting device is characterized by comprising a pressure stabilizing control device (12), an oxygen gas source (10) and an oxygenation point (11); the pressure stabilizing control device (12) comprises a box body, a control panel, an inlet pressure gauge (1), a first stop valve (2), a second stop valve (5), a third stop valve (6), a pressure stabilizing valve (3), a gas float flowmeter (4) and an outlet pressure gauge (7) which are arranged in the box body;
an outlet of an oxygen gas source (10) is communicated with an inlet of an inlet pressure gauge (1), an outlet of the inlet pressure gauge (1) is communicated with an inlet of a first stop valve (2) and an inlet of a third stop valve (6), an outlet of the first stop valve (2) is communicated with an inlet of a second stop valve (5) through a pressure stabilizing valve (3) and a gas float flowmeter (4), an outlet of the third stop valve (6) is communicated with an inlet of the second stop valve (5), and an outlet of the second stop valve (5) is communicated with an oxygenation point (11) through an outlet pressure gauge (7);
the control panel is connected with the control end of the first stop valve (2), the control end of the second stop valve (5), the control end of the third stop valve (6), the output end of the inlet pressure gauge (1), the output end of the outlet pressure gauge (7), the output end of the gas float flowmeter (4) and the control end of the pressure stabilizing valve (3).
2. The boiler feed water oxygenation system pressure regulation device of claim 1, characterized in that the oxygen source (10) is in communication with the inlet fitting (8) via an oxygen delivery conduit.
3. The boiler feedwater oxygenation system pressure regulation device of claim 1 wherein the control panel is disposed on an exterior side of the box.
4. The boiler feed water oxygenation system pressure stabilizing adjustment device of claim 1, characterized in that the top of the box body is provided with an inlet joint (8) and an outlet joint (9), wherein the outlet of the second stop valve (5) is communicated with the oxygenation point (11) through an outlet pressure gauge (7) and the outlet joint (9), and the outlet of the oxygen gas source (10) is communicated with the inlet of the inlet pressure gauge (1) through the inlet joint (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021662596.9U CN213060330U (en) | 2020-08-11 | 2020-08-11 | Boiler feed water oxygenation system steady voltage adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021662596.9U CN213060330U (en) | 2020-08-11 | 2020-08-11 | Boiler feed water oxygenation system steady voltage adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213060330U true CN213060330U (en) | 2021-04-27 |
Family
ID=75582317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021662596.9U Expired - Fee Related CN213060330U (en) | 2020-08-11 | 2020-08-11 | Boiler feed water oxygenation system steady voltage adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213060330U (en) |
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2020
- 2020-08-11 CN CN202021662596.9U patent/CN213060330U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 061113 office building of Bohai new area power plant, Cangzhou City, Hebei Province Patentee after: Guoneng Hebei Cangdong Power Generation Co.,Ltd. Patentee after: Xi'an Thermal Power Research Institute Co.,Ltd. Address before: 061113 Cangzhou Bohai new area power plant office building, Cangzhou City, Hebei Province Patentee before: HEBEI GUOHUA CANGDONG POWER GENERATION Co.,Ltd. Patentee before: Xi'an Thermal Power Research Institute Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210427 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |