CN217604072U - Deaerator evacuation steam waste heat recovery device - Google Patents
Deaerator evacuation steam waste heat recovery device Download PDFInfo
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- CN217604072U CN217604072U CN202220999048.8U CN202220999048U CN217604072U CN 217604072 U CN217604072 U CN 217604072U CN 202220999048 U CN202220999048 U CN 202220999048U CN 217604072 U CN217604072 U CN 217604072U
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- waste heat
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- deaerator
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Abstract
The utility model relates to the technical field of waste heat recovery, in particular to a deaerator emptying steam waste heat recovery device, which comprises a deaerator and a waste heat recovery tower, wherein the deaerator is provided with a steam emptying pipeline and a backflow water inlet; the waste heat recovery tower is equipped with steam inlet, backward flow water outlet, gas vent, and steam evacuation pipeline passes through steam conduit and steam inlet intercommunication, and the backward flow water outlet passes through backward flow water conduit and backward flow water inlet intercommunication, is equipped with the circulating pump on the backward flow water conduit, and the gas vent passes through exhaust duct and connects the vacuum pump, is equipped with spray set in the waste heat recovery tower. The utility model discloses in introducing the exhaust-heat recovery tower with the evacuation steam of oxygen-eliminating device, utilize steam heat feedwater heating to heat up, realize the recovery to oxygen-eliminating device evacuation steam waste heat, then in sending hot water to the oxygen-eliminating device, supplementary promotion deoxidization effect.
Description
Technical Field
The utility model relates to a waste heat recovery technical field, concretely relates to oxygen-eliminating device evacuation steam waste heat recovery device.
Background
At present, most heat source plants for providing steam use a deaerating device which is mainly a steam deaerator. The principle of the steam deaerator is to separate out oxygen in water by a physical method, and a thermal deaerator, a vacuum deaerator and a separation deaerator are commonly used. A large amount of steam is discharged to the atmosphere in the deaerator in the deaerating process, so that energy waste is caused.
Based on this, it is necessary to provide a deaerator evacuation steam waste heat recovery device.
SUMMERY OF THE UTILITY MODEL
The technical problem to oxygen-eliminating device evacuation steam not obtain rational utilization, the utility model provides an oxygen-eliminating device evacuation steam waste heat recovery device introduces the evacuation steam of oxygen-eliminating device in the waste heat recovery tower, utilizes steam heat feedwater heating to heat up, realizes the recovery to oxygen-eliminating device evacuation steam waste heat, then in sending hot water to the oxygen-eliminating device, supplementary promotion deoxidization effect.
The technical scheme of the utility model as follows:
a deaerator emptying steam waste heat recovery device comprises a deaerator and a waste heat recovery tower, wherein the deaerator is provided with a steam emptying pipeline and a reflux water inlet; the waste heat recovery tower is equipped with steam inlet, backward flow water outlet, gas vent, and steam evacuation pipeline passes through steam conduit and steam inlet intercommunication, and the backward flow water outlet passes through backward flow water conduit and backward flow water inlet intercommunication, is equipped with the circulating pump on the backward flow water conduit, and the gas vent passes through exhaust duct and connects the vacuum pump, is equipped with spray set in the waste heat recovery tower.
Further, the spraying device is communicated with an external water source through a water inlet pipeline.
Furthermore, the spraying device is communicated with the return water outlet through a spraying water pipeline.
Furthermore, the steam evacuation pipeline of oxygen-eliminating device is equipped with automatic breather valve, uses with the vacuum pump cooperation on the exhaust duct that waste heat recovery tower gas vent is connected, through control vacuum pump frequency conversion adjustment system pressure, realizes automatic breather valve's switching, prevents that a large amount of steam from arranging outward and causing the waste.
Furthermore, a packing layer is arranged in the waste heat recovery tower and is positioned between the spraying device and the steam inlet, so that the contact between the steam and the spraying water is increased.
Furthermore, a demister is arranged in the waste heat recovery tower and is positioned above the spraying device and used for separating liquid drops carried by gas.
The beneficial effects of the utility model reside in that:
the utility model discloses utilize oxygen-eliminating device top exhaust steam feedwater heating to heat up, utilize the vacuum pump to reduce the partial pressure of oxygen-containing gas of oxygen-eliminating device surface of water, improve the temperature that gets into the oxygen-eliminating device simultaneously, solve the recovery problem of deoxidization process steam, promote the deoxidization effect of oxygen-eliminating device simultaneously.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an evacuation steam waste heat recovery device of a deaerator in embodiment 1.
In the figure, 1-a deaerator, 2-a waste heat recovery tower, 3-a steam evacuation pipeline, 4-a steam pipeline, 5-a water return pipeline, 6-a circulating pump, 7-an exhaust pipeline, 8-a vacuum pump, 9-a spraying device, 10-a packing layer, 11-a demister, 12-a water inlet pipeline and 13-a spraying water pipeline.
Detailed Description
In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1, the deaerator evacuation steam waste heat recovery device comprises a deaerator 1 and a waste heat recovery tower 2, wherein the deaerator 1 is provided with a steam evacuation pipeline 3 and a backflow water inlet, and the steam evacuation pipeline 3 is provided with an automatic breather valve; waste heat recovery tower 2 is equipped with steam inlet, the backward flow water export, the gas vent, steam evacuation pipeline 3 passes through steam conduit 4 and steam inlet intercommunication, the backward flow water export passes through backward flow water pipeline 5 and backward flow water inlet intercommunication, be equipped with circulating pump 6 on the backward flow water pipeline 5, the gas vent passes through exhaust duct 7 and connects vacuum pump 8, be equipped with spray set 9 in the waste heat recovery tower 2, packing layer 10 and defroster 11, spray set 9 passes through inlet channel 12 and outside water source intercommunication, spray set 9 still communicates through spray water pipeline 13 and backward flow water export, packing layer 10 is located between spray set 9 and the steam inlet, defroster 11 is located spray set 9's top.
The deaerator evacuation steam waste heat recovery device has the working principle that:
one part of steam of the demister 1 is emptied through a steam emptying pipeline 3, one part of the steam enters the waste heat recovery tower 2 from a steam inlet at the bottom of the waste heat recovery tower 2 through a steam pipeline 4 and carries out countercurrent heat exchange with spray water, non-condensable gas is pumped out through a vacuum pump 8 connected to the top of the waste heat recovery tower 2 and is discharged into the atmosphere, one part of the heated spray water enters the deaerator 1 through a reflux pipeline 5 through a circulating pump 6, and the other part of the heated spray water enters the waste heat recovery tower 2 through a spray water pipeline 13 so as to maintain the stability of the liquid level in the waste heat recovery tower 2; automatic breather valve is installed to deaerator 1's steam evacuation pipeline 3, and the pressure control here is being less than or equal to 10kpa, and automatic adjustment is realized to 8 frequency conversions of accessible control vacuum pump, if this department pressure be >10kpa time, automatic breather valve is automatic to be opened, and when pressure dropped to 10kpa, automatic breather valve self-closing can prevent that a large amount of steam from arranging outward and causing the waste.
Although the present invention has been described in detail by referring to the drawings in conjunction with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and substance of the present invention, and these modifications or substitutions are intended to be included within the scope of the present invention/any person skilled in the art can easily think of changes or substitutions within the technical scope of the present invention.
Claims (6)
1. A deaerator emptying steam waste heat recovery device is characterized by comprising a deaerator and a waste heat recovery tower, wherein the deaerator is provided with a steam emptying pipeline and a reflux water inlet; the waste heat recovery tower is equipped with steam inlet, backward flow water outlet, gas vent, and steam evacuation pipeline passes through steam conduit and steam inlet intercommunication, and the backward flow water outlet passes through backward flow water conduit and backward flow water inlet intercommunication, is equipped with the circulating pump on the backward flow water conduit, and the gas vent passes through exhaust duct and connects the vacuum pump, is equipped with spray set in the waste heat recovery tower.
2. The deaerator evacuating steam waste heat recovery device of claim 1, wherein the spray device is communicated with an external water source through a water inlet pipe.
3. The deaerator evacuating steam waste heat recovery device of claim 1, wherein the spray device is further communicated with the return water outlet through a spray water pipeline.
4. The deaerator emptying steam waste heat recovery device as defined in claim 1, wherein a steam emptying pipeline of the deaerator is provided with an automatic breather valve.
5. The deaerator emptying steam waste heat recovery device as claimed in claim 1, wherein a packing layer is further arranged in the waste heat recovery tower, and the packing layer is located between the spraying device and the steam inlet.
6. The deaerator emptying steam waste heat recovery device as claimed in claim 1, wherein a demister is further arranged in the waste heat recovery tower, and the demister is located above the spraying device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220999048.8U CN217604072U (en) | 2022-04-27 | 2022-04-27 | Deaerator evacuation steam waste heat recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220999048.8U CN217604072U (en) | 2022-04-27 | 2022-04-27 | Deaerator evacuation steam waste heat recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217604072U true CN217604072U (en) | 2022-10-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220999048.8U Active CN217604072U (en) | 2022-04-27 | 2022-04-27 | Deaerator evacuation steam waste heat recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217604072U (en) |
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2022
- 2022-04-27 CN CN202220999048.8U patent/CN217604072U/en active Active
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