CN220205716U - Start protection system for steam boiler energy saver - Google Patents
Start protection system for steam boiler energy saver Download PDFInfo
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- CN220205716U CN220205716U CN202322254061.8U CN202322254061U CN220205716U CN 220205716 U CN220205716 U CN 220205716U CN 202322254061 U CN202322254061 U CN 202322254061U CN 220205716 U CN220205716 U CN 220205716U
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- water
- water supply
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- supply pipeline
- steam boiler
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 106
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
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- Control Of Steam Boilers And Waste-Gas Boilers (AREA)
Abstract
The utility model discloses a starting protection system for a steam boiler energy saver, and relates to the technical field of boilers. The utility model aims to solve the problem that the intermittent water inflow of the existing steam boiler energy saver in the initial stage of starting causes the phenomenon of local pipe wall super temperature and water hammer at the top of an inlet and outlet header of the energy saver. The utility model comprises a thermal deaerator, a water supply pipeline and a bypass pipeline, wherein the water inlet end of the water supply pipeline is connected with the water outlet end of the thermal deaerator, the water outlet end of the water supply pipeline is connected with the water inlet end of an energy saver, the water outlet end of the energy saver is respectively connected with the water inlet ends of the water supply pipeline and the bypass pipeline, the water outlet end of the water supply pipeline is connected with the water inlet end of a boiler, the water outlet end of the bypass pipeline is connected with the water inlet end of the thermal deaerator, the water supply pipeline is provided with a water supply pump, the water supply pipeline is provided with a first stop valve, and the bypass pipeline is provided with a second stop valve. The utility model is used for the steam boiler system.
Description
Technical Field
The utility model relates to the technical field of boilers, in particular to a starting protection system for a steam boiler energy saver.
Background
In the arrangement form of the water supply pipeline of the existing steam boiler energy saver, water is often intermittently fed into the steam boiler at the initial stage of starting, and when water feeding is stopped, water in the energy saver is in a non-flowing state. Because the high-temperature flue gas is continuously heated, part of water can be gasified, generated steam can be attached to the pipe wall or accumulated at the top of an inlet and outlet header of the energy-saving device, and the phenomenon of local pipe wall super-temperature water hammer occurs, so that the energy-saving device is damaged.
Disclosure of Invention
The utility model aims to solve the problem that the top of an inlet and outlet header box of an energy-saving device generates local pipe wall super-temperature and water hammer phenomenon caused by intermittent water inflow in the initial stage of starting of the existing energy-saving device of a steam boiler, and further provides a starting protection system for the energy-saving device of the steam boiler.
The technical scheme adopted for solving the technical problems is as follows:
the utility model provides a start-up protection system for steam boiler energy-saving appliance includes thermal deaerator, water supply line and bypass line, the water inlet end of water supply line is connected with thermal deaerator's play water end, the water outlet end of water supply line is connected with the water inlet end of energy-saving appliance, the water outlet end of energy-saving appliance is connected with the water inlet end of water supply line and bypass line respectively, the water outlet end of water supply line is connected with the water inlet end of boiler, the water outlet end of bypass line is connected with thermal deaerator's water inlet end, be equipped with the feed pump on the water supply line, be equipped with first stop valve on the water supply line, be equipped with the second stop valve on the bypass line.
Further, a pressure transmitter is arranged on the boiler.
Further, the pressure transmitter is arranged on an upper drum of the boiler.
Further, the water inlet end of the boiler is arranged on the upper boiler barrel.
Further, the first stop valve and the second stop valve are electric stop valves.
Further, the water inlet end of the energy saver is arranged at the inlet header of the energy saver.
Further, the water outlet end of the energy saver is arranged in the energy saver outlet header.
Further, the economizer inlet header and the economizer outlet header of the economizer are both vertically arranged.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model provides a starting protection system for an energy saver of a steam boiler, wherein the system can control a first stop valve to be closed and a second stop valve to be opened through a controller in the initial starting stage of the steam boiler, and a feed water pump is started to form a bypass waterway of the energy saver until a pressure signal value of a pressure transmitter reaches a set working pressure value, and the first stop valve is opened and the second stop valve is closed. The system realizes automatic opening and closing of the bypass waterway of the energy-saving device, has high degree of automation, ensures that water in the energy-saving device flows uninterruptedly, ensures that the energy-saving device is reliably cooled, basically avoids the phenomenon of super-temperature and water attack of local pipe walls of the energy-saving device, and prolongs the service life of the energy-saving device.
Drawings
Fig. 1 is a schematic view of the overall structure of the present utility model, wherein the direction of the arrow indicates the direction of water flow.
Detailed Description
The first embodiment is as follows: referring to fig. 1, the starting protection system for an energy saver of a steam boiler according to the present embodiment includes a thermal deaerator 1, a water supply pipeline 2, a water supply pipeline 3 and a bypass pipeline 4, wherein the water inlet end of the water supply pipeline 2 is connected with the water outlet end of the thermal deaerator 1, the water outlet end of the water supply pipeline 2 is connected with the water inlet end of the energy saver 6, the water outlet end of the energy saver 6 is respectively connected with the water inlet ends of the water supply pipeline 3 and the bypass pipeline 4, the water outlet end of the water supply pipeline 3 is connected with the water inlet end of the boiler 7, the water outlet end of the bypass pipeline 4 is connected with the water inlet end of the thermal deaerator 1, a water supply pump 5 is arranged on the water supply pipeline 2, a first stop valve 8 is arranged on the water supply pipeline 3, and a second stop valve 9 is arranged on the bypass pipeline 4.
The water supply pipeline 2 between the thermal deaerator 1 and the water inlet of the energy-saving device 6 is connected with a water supply pump 5, the water supply pipeline 3 between the water outlet of the energy-saving device 6 and the boiler 7 is connected with a first stop valve 8, the bypass waterway 4 of the energy-saving device 6 is connected with a second stop valve 9, the bypass waterway 4 behind the second stop valve 9 is connected to the thermal deaerator 1, the boiler 7 is connected with a pressure transmitter 10, and the water supply pump 5, the pressure transmitter 10, the first stop valve 8 and the second stop valve 9 are all connected to a controller for control.
The second embodiment is as follows: the present embodiment will be described with reference to fig. 1, in which a pressure transmitter 10 is provided in the boiler 7. The technical features not disclosed in this embodiment are the same as those of the first embodiment.
And a third specific embodiment: the present embodiment will be described with reference to fig. 1, in which a pressure transmitter 10 is provided in an upper drum of a boiler 7. The technical features not disclosed in this embodiment are the same as those of the second embodiment.
The specific embodiment IV is as follows: the water inlet end of the boiler 7 according to the present embodiment is provided in the upper drum, as described with reference to fig. 1. The technical features not disclosed in this embodiment are the same as those of the third embodiment.
Fifth embodiment: the present embodiment is described with reference to fig. 1, in which the first stop valve 8 and the second stop valve 9 are both electric stop valves. The technical features not disclosed in this embodiment are the same as those of the first embodiment.
Specific embodiment six: the present embodiment will be described with reference to fig. 1, in which the water inlet end of the economizer 6 is provided in the economizer inlet header. The technical features not disclosed in this embodiment are the same as those of the first embodiment.
Seventh embodiment: the present embodiment will be described with reference to fig. 1, in which the water outlet end of the economizer 6 is provided in the economizer outlet header. The technical features not disclosed in this embodiment are the same as those of the first embodiment.
Eighth embodiment: the present embodiment is described with reference to fig. 1, in which both the economizer inlet header and the economizer outlet header of the economizer 6 are vertically arranged. The technical features not disclosed in this embodiment are the same as those of the sixth or seventh embodiment.
Principle of operation
At the initial stage of starting the steam boiler, the system can control the first stop valve 8 to be closed through the controller, the second stop valve 9 to be opened, the water feeding pump 5 is started to form the bypass waterway 6 of the energy saver 6 until the pressure signal value of the pressure transmitter 10 reaches a set working pressure value, the first stop valve 8 is opened, and the second stop valve 9 is closed. The system realizes automatic opening and closing of the bypass waterway of the energy-saving device, has high degree of automation, ensures that water in the energy-saving device flows uninterruptedly, ensures that the energy-saving device is reliably cooled, basically avoids the phenomenon of super-temperature and water attack of local pipe walls of the energy-saving device, and prolongs the service life of the energy-saving device.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (8)
1. A start-up protection system for a steam boiler economizer, characterized by: the water supply device comprises a thermal deaerator (1), a water supply pipeline (2), a water supply pipeline (3) and a bypass pipeline (4), wherein the water inlet end of the water supply pipeline (2) is connected with the water outlet end of the thermal deaerator (1), the water outlet end of the water supply pipeline (2) is connected with the water inlet end of an energy-saving device (6), the water outlet end of the energy-saving device (6) is respectively connected with the water inlet ends of the water supply pipeline (3) and the bypass pipeline (4), the water outlet end of the water supply pipeline (3) is connected with the water inlet end of a boiler (7), the water outlet end of the bypass pipeline (4) is connected with the water inlet end of the thermal deaerator (1), a water supply pump (5) is arranged on the water supply pipeline (2), a first stop valve (8) is arranged on the water supply pipeline (3), and a second stop valve (9) is arranged on the bypass pipeline (4).
2. A start-up protection system for a steam boiler economizer according to claim 1 wherein: the boiler (7) is provided with a pressure transmitter (10).
3. A start-up protection system for a steam boiler economizer according to claim 2 wherein: the pressure transmitter (10) is arranged on an upper drum of the boiler (7).
4. A start-up protection system for a steam boiler economizer according to claim 3, wherein: the water inlet end of the boiler (7) is arranged on the upper boiler barrel.
5. A start-up protection system for a steam boiler economizer according to claim 1 wherein: the first stop valve (8) and the second stop valve (9) are electric stop valves.
6. A start-up protection system for a steam boiler economizer according to claim 1 wherein: the water inlet end of the energy-saving device (6) is arranged at the inlet header of the energy-saving device.
7. A start-up protection system for a steam boiler economizer according to claim 1 wherein: the water outlet end of the energy-saving device (6) is arranged at the energy-saving device outlet header.
8. A start-up protection system for steam boiler economizers according to claim 6 or 7, wherein: the energy-saving device inlet header and the energy-saving device outlet header of the energy-saving device (6) are vertically arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322254061.8U CN220205716U (en) | 2023-08-21 | 2023-08-21 | Start protection system for steam boiler energy saver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322254061.8U CN220205716U (en) | 2023-08-21 | 2023-08-21 | Start protection system for steam boiler energy saver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220205716U true CN220205716U (en) | 2023-12-19 |
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ID=89155542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322254061.8U Active CN220205716U (en) | 2023-08-21 | 2023-08-21 | Start protection system for steam boiler energy saver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220205716U (en) |
-
2023
- 2023-08-21 CN CN202322254061.8U patent/CN220205716U/en active Active
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