CN207762881U - Garbage incinerating power plant steam air heater draining system - Google Patents
Garbage incinerating power plant steam air heater draining system Download PDFInfo
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- CN207762881U CN207762881U CN201820003101.8U CN201820003101U CN207762881U CN 207762881 U CN207762881 U CN 207762881U CN 201820003101 U CN201820003101 U CN 201820003101U CN 207762881 U CN207762881 U CN 207762881U
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- hydrophobic
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- air heater
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Abstract
The utility model belongs to garbage incinerating power plant technical field, and in particular to a kind of garbage incinerating power plant steam type airheater draining system, including steam type airheater, hydrophobic development unit and oxygen-eliminating device;The inside of the steam type airheater is separated to form high pressure section and low pressure stage;The entrance of the high pressure section is connected to high steam inlet pipe, and the outlet of the high pressure section is connected to the hydrophobic entrance of the hydrophobic development unit;The entrance of the low pressure stage is connected to low-pressure steam inlet pipe, and the outlet of the low pressure stage is connected to the hydrophobic entrance of the low pressure of the oxygen-eliminating device;The hydrophobic outlet of the hydrophobic development unit is connected to the high pressure draining entrance of the oxygen-eliminating device.Hydrophobic development unit in garbage incinerating power plant steam type airheater draining system provided by the utility model provides recovered steam, steam consumption is saved, reduce the hydrophobic pressure into oxygen-eliminating device, loss of steam and water and operational shock are reduced, and can ensure that waste incineration main process system normally produces.
Description
Technical field
The utility model belongs to garbage incinerating power plant technical field, and in particular to a kind of garbage incinerating power plant steam-
Air preheater draining system.
Background technology
With the rapid economic development in our country, rubbish quality is continuously improved, waste incineration can realize the decrement of garbage disposal
Change, innoxious, recycling, this method has become one of the most efficient method of processing rubbish, can not only calorific value be utilized to send out
Electricity is turned waste into wealth, moreover it is possible to which the landfill for reducing rubbish greatly reduces pollution of the rubbish to environment.The cigarette generated due to waste incineration
Gas contains a large amount of acid gas components again, easy tos produce low-temperature corrosion, steam type airheater is generally arranged, will be empty using steam
Gas is heated to the dew point of sour gas or more, to achieve the purpose that reduce low-temperature corrosion and improve boiler efficiency.
Currently, to improve the thermal efficiency of full factory, generated after most of garbage incinerating power plant high pressure steam heating hydrophobic
It is directly entered oxygen-eliminating device, because high pressure draining temperature is higher, oxygen-eliminating device temperature is relatively low, and the temperature difference is bigger, and heat exchange efficiency is lower, because
The steam air consumption of this high-quality is larger;And generated high temperature is hydrophobic into deoxygenation after steam type airheater heating air
Device causes steam type airheater inefficiency, high pressure draining to be directly entered oxygen-eliminating device, be easy to cause itself boiling of oxygen-eliminating device
It rises, pressure is caused in oxygen-eliminating device to increase, loss of steam and water increases, and when operation is also easy to happen vibration.
Invention content
In order to overcome above-mentioned the shortcomings of the prior art, the purpose of this utility model to be to provide a kind of waste incineration and generating electricity
Factory's steam air heater draining system can be lowered into the hydrophobic pressure of oxygen-eliminating device, reduce loss of steam and water and operation is shaken
It is dynamic, ensure that waste incineration main process system normally produces.
To achieve the above object, the technical solution of the utility model preheats for a kind of garbage incinerating power plant steam-air
Device draining system, including steam air heater, hydrophobic development unit and oxygen-eliminating device;The inside points of the steam air heater
Every formation high pressure section and low pressure stage;The entrance of the high pressure section is connected to high steam inlet pipe, the outlet of the high pressure section and institute
State the hydrophobic entrance connection of hydrophobic development unit;The entrance of the low pressure stage is connected to low-pressure steam inlet pipe, and the low pressure stage goes out
Mouth is connected to the hydrophobic entrance of the low pressure of the oxygen-eliminating device;It is dredged with the high pressure of the oxygen-eliminating device the hydrophobic outlet of the hydrophobic development unit
Water inlet is connected to.
Further, the steam (vapor) outlet of the hydrophobic development unit is connected to the low-pressure steam inlet pipe.
Further, the steam air heater further includes condensation segment;The outlet of the low pressure stage and the condensation segment
Entrance connection;The outlet of the condensation segment is connected to the hydrophobic entrance of the low pressure of the oxygen-eliminating device.
Further, the hydrophobic outlet of the hydrophobic development unit and the high pressure draining entrance of the oxygen-eliminating device pass through the first pipe
Road is connected to;The first pipe is equipped with the first valve.
Further, the first pipe is connected to by second pipe with the entrance of the condensation segment.
Further, the second pipe is equipped with the second valve.
Further, the first pipe and the contact of the second pipe are located at first valve and the hydrophobic expansion
Between container.
Compared with prior art, the beneficial effects of the utility model:
Hydrophobic development unit in garbage incinerating power plant steam air heater draining system provided by the utility model carries
Recovered steam has been supplied, steam consumption has been saved, has reduced the hydrophobic pressure into oxygen-eliminating device, loss of steam and water has been reduced and operation is shaken
It is dynamic, and can ensure that waste incineration main process system normally produces.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the knot for the garbage incinerating power plant steam air heater draining system that the utility model embodiment provides
Structure schematic diagram;
Fig. 2 is the knot for the garbage incinerating power plant steam air heater draining system that the utility model embodiment provides
Structure schematic diagram;
In figure:1, steam air heater, 2, hydrophobic development unit, 3, oxygen-eliminating device, 4, high pressure section, 5, low pressure stage, 6, condensation
Section, the 7, first valve, the 8, second valve, 9, high steam inlet pipe, 10, low-pressure steam inlet pipe, 11, first pipe, the 12, second pipe
Road.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The all other embodiment obtained, shall fall within the protection scope of the present invention.
As shown in Figure 1, the utility model embodiment provides a kind of hydrophobic system of garbage incinerating power plant steam air heater
System, including steam air heater 1, hydrophobic development unit 2 and oxygen-eliminating device 3;The inside points of the steam air heater 1 are every shape
At high pressure section 4 and low pressure stage 5;The entrance of the high pressure section 4 is connected to high steam inlet pipe 9, the outlet of the high pressure section 4 and institute
State the hydrophobic entrance connection of hydrophobic development unit 2;The entrance of the low pressure stage 5 is connected to low-pressure steam inlet pipe 10, the low pressure stage 5
Outlet be connected to the hydrophobic entrance of the low pressure of the oxygen-eliminating device 3;The hydrophobic outlet of the hydrophobic development unit 2 and the oxygen-eliminating device 3
High pressure draining entrance connection.
The steam air heater 1 may be used it is vertical or horizontal, the length of high pressure section 4 and low pressure stage 5 or
Person's width depends on required heat exchange area;Since steam air heater 1 is to heat sky using the latent heat of vaporization of water vapour
Gas, in the case where remaining external condition is constant, heat exchange area and heat exchange amount are directly proportional, and the size of heat exchange amount depends on import
The parameter of steam(Temperature and pressure)And flow, therefore ordinary circumstance is that high pressure section 4 is longer than low pressure stage 5 or high.By hydrophobic expansion
The hydrophobic parameter of container 2 is related with the design pressure of hydrophobic development unit 2, and the hydrophobic outlet of the hydrophobic development unit 2 is out hydrophobic
Pressure be generally 0.8 ~ 1.2MPa, temperature is 175.4 ~ 191.6 DEG C.
Hydrophobic development unit in garbage incinerating power plant steam air heater draining system provided by the utility model carries
Recovered steam has been supplied, steam consumption has been saved, has reduced the hydrophobic pressure into oxygen-eliminating device, loss of steam and water has been reduced and operation is shaken
It is dynamic, and can ensure that waste incineration main process system normally produces.
Further, the steam (vapor) outlet of the hydrophobic development unit 2 is connected to the low-pressure steam inlet pipe 10.
As shown in Figure 1, the garbage incinerating power plant steam air heater draining system mesohigh steam of the utility model
Pass through the high pressure section of high steam inlet pipe 9 and low-pressure steam inlet pipe 10 and the steam air heater 1 respectively with low-pressure steam
4 entrance is connected to the entrance of low pressure stage 5;High steam enters in the high pressure section 4 of steam air heater 1 exchange heat after enter
After in hydrophobic development unit 2, due to pressure reduction, part flash-off of steam, the saturation that another part becomes under current pressure is hydrophobic;
The steam of flash distillation enters low-pressure steam inlet pipe 10 from the steam (vapor) outlet of hydrophobic development unit 2 and enters steam-sky with low-pressure steam
The low pressure stage 5 of air preheater 1 continues to exchange heat, remaining hydrophobic into oxygen-eliminating device 3;Low-pressure steam is in steam air heater 1
Oxygen-eliminating device 3 is entered back into after exchanging heat in low pressure stage 5.
Further, as shown in Fig. 2, the steam air heater 1 further includes condensation segment 6;The low pressure stage 5 goes out
Mouth is connected to the entrance of the condensation segment 6;The outlet of the condensation segment 6 is connected to the hydrophobic entrance of the low pressure of the oxygen-eliminating device 3.
Low-pressure steam enters in low pressure stage 5 after heat exchange, is out saturated water using the latent heat of vaporization of vapor, i.e., warm
Spend constant, only medium becomes saturated water from steam;Saturated water one heat exchange of progress after condensation segment 6, temperature reduction enter back into institute
It states in oxygen-eliminating device 3.
Further, the hydrophobic outlet of the hydrophobic development unit 2 passes through first with the high pressure draining entrance of the oxygen-eliminating device 3
Pipeline 11 is connected to;The first pipe 11 is equipped with the first valve 7.
Further, the first pipe 11 is connected to by second pipe 12 with the entrance of the condensation segment 6.
Further, the second pipe 12 is equipped with the second valve 8.
Further, the contact of the first pipe 11 and the second pipe 12 be located at first valve 7 with it is described
Between hydrophobic development unit 2.
As shown in Fig. 2, the garbage incinerating power plant steam air heater draining system mesohigh steam of the utility model
Pass through the high pressure section of high steam inlet pipe 9 and low-pressure steam inlet pipe 10 and the steam air heater 1 respectively with low-pressure steam
4 entrance is connected to the entrance of low pressure stage 5;High steam enters in the high pressure section 4 of steam air heater 1 exchange heat after enter
After in hydrophobic development unit 2, due to pressure reduction, part flash-off of steam, the saturation that another part becomes under current pressure is hydrophobic;
The steam of flash distillation enters low-pressure steam inlet pipe 10 from the steam (vapor) outlet of hydrophobic development unit 2 and enters steam-sky with low-pressure steam
The low pressure stage 5 of air preheater 1 continues to exchange heat, and removes oxygen therein in remaining hydrophobic entrance oxygen-eliminating device 3 and other are non-condensing
Gas;Low-pressure steam enters one heat exchange of progress after condensation segment 6, temperature after exchanging heat in the low pressure stage 5 of steam air heater 1
Reduction, which enters back into oxygen-eliminating device 3, removes gas therein;When the first valve 7 is closed, the second valve 8 is opened, from hydrophobic development unit 2
In out hydrophobic, the saturated water that can be come out with the low pressure stage 5 of steam air heater 1 converge into exchanging heat in 6;When
When oxygen-eliminating device temperature is too low, the second valve 8 is closed, opens the first valve 7, what hydrophobic development unit 2 was isolated hydrophobic is directly entered
Oxygen-eliminating device 3.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (7)
1. garbage incinerating power plant steam air heater draining system, which is characterized in that including steam air heater
(1), hydrophobic development unit(2)And oxygen-eliminating device(3);The steam air heater(1)Inside be separated to form high pressure section(4)With
Low pressure stage(5);The high pressure section(4)Entrance and high steam inlet pipe(9)Connection, the high pressure section(4)Outlet with it is described
Hydrophobic development unit(2)Hydrophobic entrance connection;The low pressure stage(5)Entrance and low-pressure steam inlet pipe(10)Connection, it is described low
Press section(5)Outlet and the oxygen-eliminating device(3)Low pressure hydrophobic entrance connection;The hydrophobic development unit(2)Hydrophobic outlet with
The oxygen-eliminating device(3)High pressure draining entrance connection.
2. garbage incinerating power plant steam air heater draining system as described in claim 1, it is characterised in that:It is described
Hydrophobic development unit(2)Steam (vapor) outlet and the low-pressure steam inlet pipe(10)Connection.
3. garbage incinerating power plant steam air heater draining system as described in claim 1, it is characterised in that:It is described
Steam air heater(1)It further include condensation segment(6);The low pressure stage(5)Outlet and the condensation segment(6)Entrance connect
It is logical;The condensation segment(6)Outlet and the oxygen-eliminating device(3)Low pressure hydrophobic entrance connection.
4. garbage incinerating power plant steam air heater draining system as claimed in claim 3, it is characterised in that:It is described
Hydrophobic development unit(2)Hydrophobic outlet and the oxygen-eliminating device(3)High pressure draining entrance pass through first pipe(11)Connection;It is described
First pipe(11)It is equipped with the first valve(7).
5. garbage incinerating power plant steam air heater draining system as claimed in claim 4, it is characterised in that:It is described
First pipe(11)Pass through second pipe(12)With the condensation segment(6)Entrance connection.
6. garbage incinerating power plant steam air heater draining system as claimed in claim 5, it is characterised in that:It is described
Second pipe(12)It is equipped with the second valve(8).
7. garbage incinerating power plant steam air heater draining system as claimed in claim 5, it is characterised in that:It is described
First pipe(11)With the second pipe(12)Contact be located at first valve(7)With the hydrophobic development unit(2)It
Between.
Priority Applications (1)
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CN201820003101.8U CN207762881U (en) | 2018-01-02 | 2018-01-02 | Garbage incinerating power plant steam air heater draining system |
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CN201820003101.8U CN207762881U (en) | 2018-01-02 | 2018-01-02 | Garbage incinerating power plant steam air heater draining system |
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CN207762881U true CN207762881U (en) | 2018-08-24 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108167807A (en) * | 2018-01-02 | 2018-06-15 | 武汉都市环保工程技术股份有限公司 | Garbage incinerating power plant steam air heater draining system |
CN112099408A (en) * | 2020-09-16 | 2020-12-18 | 广东韶钢松山股份有限公司 | Low vibration noise boiler tail pipe and method for suppressing vibration of boiler tail pipe |
CN112594664A (en) * | 2020-12-16 | 2021-04-02 | 上海康恒环境股份有限公司 | Intelligent hydrophobic steam-air preheater system and automatic control method thereof |
-
2018
- 2018-01-02 CN CN201820003101.8U patent/CN207762881U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108167807A (en) * | 2018-01-02 | 2018-06-15 | 武汉都市环保工程技术股份有限公司 | Garbage incinerating power plant steam air heater draining system |
CN108167807B (en) * | 2018-01-02 | 2024-03-19 | 中冶南方都市环保工程技术股份有限公司 | Drainage system of steam-air preheater of garbage incineration power plant |
CN112099408A (en) * | 2020-09-16 | 2020-12-18 | 广东韶钢松山股份有限公司 | Low vibration noise boiler tail pipe and method for suppressing vibration of boiler tail pipe |
CN112594664A (en) * | 2020-12-16 | 2021-04-02 | 上海康恒环境股份有限公司 | Intelligent hydrophobic steam-air preheater system and automatic control method thereof |
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Address after: 430205 No. 59 Liufang Avenue, Donghu High-tech Development Zone, Wuhan City, Hubei Province Patentee after: Zhongye Southern Urban Environmental Protection Engineering Technology Co., Ltd. Address before: 430205 No. 59 Liufang Road, CCEPC Industrial Park, Donghu High-tech Zone, Wuhan City, Hubei Province Patentee before: Wuhan Urban Environment Protection Engineering Techn Co., Ltd. |