CN211822326U - Waste heat power generation thermal deaerator condensate system - Google Patents
Waste heat power generation thermal deaerator condensate system Download PDFInfo
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- CN211822326U CN211822326U CN201922451581.1U CN201922451581U CN211822326U CN 211822326 U CN211822326 U CN 211822326U CN 201922451581 U CN201922451581 U CN 201922451581U CN 211822326 U CN211822326 U CN 211822326U
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Abstract
The utility model belongs to the technical field of waste heat energy-saving utilization, in particular to a waste heat power deaerator condensate water system, which comprises a condenser, a hot well, a condensate pump low-temperature economizer and a deaerator, wherein the condensate water of the condenser flows into the hot well for storage, the water outlet of the hot well is connected with the water inlet of the condensate pump through a main pipeline, the water outlet of the condensate pump is divided into a first branch pipeline and a second branch pipeline after passing through the main pipeline, the first branch pipeline flows back to the condenser, the second branch pipeline is connected with the deaerator, and the first branch pipeline and the second branch pipeline are connected through a path pipeline. The water production amount is reduced, and the sufficient starting water is ensured.
Description
Technical Field
The utility model belongs to the technical field of waste heat energy-saving utilizes, concretely relates to waste heat power oxygen-eliminating device condensate system.
Background
The waste heat power generation AQC boiler of Hongda company is provided with a set of low-temperature economizer system for heating condensed water to improve the water supply temperature of a thermal deaerator, the original design system is that the condensed water is directly sent to the deaerator after being heated by the low-temperature economizer, a steam turbine is started at the initial stage, the gas consumption is small, the water quantity generated by condensation is small, the low-temperature economizer heats and vaporizes the condensed water, a pipeline generates vibration, sometimes the water quantity is insufficient, the water supply is interrupted, and the low-temperature economizer and the pipeline are dried. The prior art adopts the moisturizing circulation to solve this problem for the mode of hot-well moisturizing, and this kind of mode makes the water of circulating back have no department to store, has increaseed the quantity of demineralized water, can not keep up with the water demand for making water ability, causes the waste of the outer row of water yield moreover. Especially, the requirement of water quantity required by system starting cannot be met under the condition of low water making capacity in winter. The existing measures require an operator to adjust the water level of the hot well constantly, the operation system is more when the equipment is started, the personnel are insufficient, the water supply is interrupted frequently, the water temperature of the pipeline is unstable, the vaporization phenomenon exists, the pipeline vibration is formed, the service life of the pipeline is reduced when the pipeline is dried, and the pipe explosion is caused seriously to influence the safety of the equipment.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the above-mentioned prior art and not enough, the utility model provides a waste heat power oxygen-eliminating device condensate system.
In order to achieve the above object, the utility model provides a following technical scheme:
a waste heat power generation thermal deaerator condensate water system comprises a condenser, a hot well, a condensate pump low-temperature economizer and a deaerator, wherein condensate water of the condenser flows into the hot well for storage, a water outlet of the hot well is connected with a water inlet of the condensate pump through a main pipeline, a water outlet of the condensate pump is divided into a first branch pipeline and a second branch pipeline after passing through the main pipeline, the first branch pipeline flows back to the condenser, a first control valve, a second control valve and a third control valve are arranged on the first branch pipeline, and the first control valve and the second control valve are connected in parallel; the second branch pipeline is connected with the deaerator, and a fourth control valve, a fifth control valve, a sixth control valve, a seventh control valve and an eighth control valve are arranged on the second branch pipeline, wherein the fourth control valve and the fifth control valve are arranged in parallel, the sixth control valve is arranged in parallel with the seventh control valve and the eighth control valve, the seventh control valve and the eighth control valve are arranged in series, and the low-temperature economizer is connected between the seventh control valve and the eighth control valve; the first branch pipeline and the second branch pipeline are connected through a path pipe, one end of the path pipe is located on the first branch pipeline between the first control valve and the third control valve, the other end of the path pipe is located on the second branch pipeline between the fourth control valve and the eighth control valve, and the path pipe is provided with a ninth control valve.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses guarantee the pipeline water requirement, prevent that the pipeline from burning futilely, extension equipment life, the not enough problem of simultaneous solution personnel reduces intensity of labour, has eliminated the not enough vibration that leads to the fact of supplying water vaporization, ensures equipment operation safety, reduces water yield loss, has reduced system water volume, ensures that the start-up water is sufficient.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. the system comprises a condenser, a hot well, a condensation pump, a low-temperature economizer, a deaerator, a main pipeline, a branch pipeline, a main pipeline, a branch pipeline, a control valve, a control.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, a condensate system of a thermal deaerator for waste heat power generation comprises a condenser 1, a hot well 2, a condensate pump 3, a low-temperature economizer 4 and a deaerator 5, wherein condensate of the condenser 1 flows into the hot well 2 for storage, a water outlet of the hot well 2 is connected with a water inlet of the condensate pump 3 through a main pipeline 6, a water outlet of the condensate pump 3 is divided into a first branch pipeline 61 and a second branch pipeline 62 through the main pipeline 6, the first branch pipeline 61 flows back to the condenser 1, a first control valve 7, a second control valve 8 and a third control valve 9 are arranged on the first branch pipeline 61, and the first control valve 7 and the second control valve 8 are arranged in parallel; the second branch pipeline 62 is connected with the deaerator 5, and a fourth control valve 10, a fifth control valve 11, a sixth control valve 12, a seventh control valve 13 and an eighth control valve 14 are arranged on the second branch pipeline 62, wherein the fourth control valve 10 and the fifth control valve 11 are arranged in parallel, the sixth control valve 12 is arranged in parallel with the seventh control valve 13 and the eighth control valve 14, the seventh control valve 13 and the eighth control valve 14 are arranged in series, and the low-temperature economizer 4 is connected between the seventh control valve 13 and the eighth control valve 14; the first branch pipe 61 and the second branch pipe 62 are connected by a path pipe 63, one end of the path pipe 63 is located on the first branch pipe 61 between the first control valve 7 and the third control valve 9, the other end of the path pipe 63 is located on the second branch pipe 62 between the fourth control valve 10 and the eighth control valve 14, and the ninth control valve 15 is disposed on the path pipe 63.
When the utility model is used, the operation stages are divided into a start-up stage, a stop stage and a normal operation stage, wherein, in the start-up stage and the stop stage, the third control valve 9 is closed at first to prevent the condensed water from entering the low-temperature economizer 4 to cause the water cut-off and dry burning of the low-temperature economizer 4, then the fourth control valve 10, the fifth control valve 11 and the eighth control valve 14 are closed, at this time, the condenser 1 stores the condensed water in the hot well 2, the condensed water is pressurized by the condensing pump 3, the condensed water flows back to the condenser 1 through the seventh control valve 13, the low-temperature economizer 4 and the eighth control valve 14 by the second branch pipeline 62, the low-temperature economizer 4 heats the condensed water to 100 ℃, the condensed water flows back to the condenser 1 through the first control valve 7 after passing through the ninth control valve 15 of the path pipeline 63, the second control valve 8 is used as a standby, the above-mentioned operation process avoids the initial stage of starting, the amount of the condensed water is insufficient, the condensed water flows back to the hot well 2, and the condensed water can quickly reach the low-temperature economizer 4 again to be heated, so that the low-temperature economizer 4 is prevented from being burnt, water in a pipeline is vaporized, the pipeline vibrates, the safety of equipment is threatened, the service life of the low-temperature economizer is shortened, and pipe explosion is caused in severe cases.
At the time of normal operating working phase, close first control valve 7, second control valve 8, third control valve 9, eighth control valve 14 and ninth control valve 15, condenser 1 stores the water of condensing in hot-well 2 this moment, the condensate pressurizes through condensate pump 3, pass through seventh control valve 13 through second branch pipeline 62, behind low temperature economizer 4 and eighth control valve 14, low temperature economizer 4 heats the condensate to 100 ℃ after, the condensate carries out the deoxidization to the condensate in entering into deaerator 5 through fourth control valve 10, above-mentioned working process, can guarantee that the condensate carries out the deoxidization in deaerator 5.
Claims (1)
1. The condensate system of the waste heat power generation thermal deaerator comprises a condenser (1), a hot well (2), a condensate pump (3), a low-temperature economizer (4) and a deaerator (5), and is characterized in that condensate of the condenser (1) flows into the hot well (2) for storage, a water outlet of the hot well (2) is connected with a water inlet of the condensate pump (3) through a main pipeline (6), a water outlet of the condensate pump (3) is divided into a first branch pipeline (61) and a second branch pipeline (62) after passing through the main pipeline (6), the first branch pipeline (61) flows back to the condenser (1), a first control valve (7), a second control valve (8) and a third control valve (9) are arranged on the first branch pipeline (61), and the first control valve (7) and the second control valve (8) are arranged in parallel; the second branch pipeline (62) is connected with the deaerator (5), a fourth control valve (10), a fifth control valve (11), a sixth control valve (12), a seventh control valve (13) and an eighth control valve (14) are arranged on the second branch pipeline (62), the fourth control valve (10) and the fifth control valve (11) are arranged in parallel, the sixth control valve (12) is arranged in parallel with the seventh control valve (13) and the eighth control valve (14), the seventh control valve (13) and the eighth control valve (14) are arranged in series, and the low-temperature economizer (4) is connected between the seventh control valve (13) and the eighth control valve (14); the first branch pipeline (61) is connected with the second branch pipeline (62) through a path pipe (63), one end of the path pipe (63) is located on the first branch pipeline (61) between the first control valve (7) and the third control valve (9), the other end of the path pipe (63) is located on the second branch pipeline (62) between the fourth control valve (10) and the eighth control valve (14), and the path pipe (63) is provided with a ninth control valve (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922451581.1U CN211822326U (en) | 2019-12-30 | 2019-12-30 | Waste heat power generation thermal deaerator condensate system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922451581.1U CN211822326U (en) | 2019-12-30 | 2019-12-30 | Waste heat power generation thermal deaerator condensate system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211822326U true CN211822326U (en) | 2020-10-30 |
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ID=73041482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922451581.1U Active CN211822326U (en) | 2019-12-30 | 2019-12-30 | Waste heat power generation thermal deaerator condensate system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211822326U (en) |
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2019
- 2019-12-30 CN CN201922451581.1U patent/CN211822326U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 677 Hongda Road, Jiabei Industrial Park, Jiayuguan City, Gansu Province, 735199 Patentee after: Jiugang Group Hongda Construction Materials Co.,Ltd. Address before: 735100 Jiabei Industrial Park, Jiayuguan City, Gansu Province Patentee before: HONGDA BUILDING MATERIAL CO., LTD. OF JIUQUAN IRON & STEEL (Group) Co.,Ltd. |
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| CP03 | Change of name, title or address |