CN208687766U - A kind of auto-controlled energy-saving type eliminates the device of plume - Google Patents
A kind of auto-controlled energy-saving type eliminates the device of plume Download PDFInfo
- Publication number
- CN208687766U CN208687766U CN201821284800.0U CN201821284800U CN208687766U CN 208687766 U CN208687766 U CN 208687766U CN 201821284800 U CN201821284800 U CN 201821284800U CN 208687766 U CN208687766 U CN 208687766U
- Authority
- CN
- China
- Prior art keywords
- flue gas
- temperature
- signal
- plume
- level
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Chimneys And Flues (AREA)
- Treating Waste Gases (AREA)
Abstract
The utility model discloses the devices that a kind of auto-controlled energy-saving type eliminates plume, including steam air heater system, condensate system, flue-gas-cooling system, flue gas heating system, smoke temperature automatic control system.House outlet flue gas cools down by level-one cooling device, reduces the ability that flue gas carries moisture by desulfurizing tower, then passes through desulfurizing tower.Desulfurizing tower exiting flue gas is by moisture in second level cooling device condensation flue gas, flue gas after cooling enters flue gas heating system, and suitable flue-gas temperature is controlled by smoke temperature automatic control system, it is heated after flue gas be discharged into atmosphere by chimney, achieve the purpose that eliminate plume.This system can effectively realize energy saving, water-saving, emission reduction, eliminate plume multiple effect, have preferable economy and environmental benefit.
Description
Technical field
The utility model relates to fume treatment field, in particular to a kind of auto-controlled energy-saving type eliminates the device of plume.
Background technique
In order to improve atmosphere quality, country has formulated increasingly severe row for Thermal Power Generation Industry with some areas government
Put standard, it is desirable that take measures to carry out pollution control.To meet ultra-clean emission request, coal-burning power plant largely uses lime stone-
Gypsum wet sulfur removal technology removes the sulfur dioxide in flue gas, flue gas after wet desulfurization system is cooling, temperature be down to 45 DEG C-
55 DEG C, it is lower than flue gas acid dew point temperature.Desulphurization system demister can go out most of moisture that is precipitated, but flue gas is still in saturation
State carries part droplet, and the wet flue gas humidity after wet desulphurization is in 100-200g/Nm3, and China ambient air is averaged
Humidity is only 9g/Nm3, wet flue gas humidity is 10 times or so of atmosphere medial humidity.If wet flue gas directly by smoke stack emission, is made
It is increased at system water consume, when wet flue gas is mixed with the lower surrounding air of temperature and humidity, the vapor in wet flue gas
It can condense to form droplet, corrosiveness on the one hand can be generated to chimney, another aspect droplet generates refraction to light and dissipates
The effect of penetrating makes the plume of chimney breast show white or grey, is formed " wet plume ", wet plume will form apparent vision
Pollution contains a certain amount of SO simultaneously because carrying in flue gas2、SO3Equal acid ingredients, wet plume condense analysis in diffusion process
Droplet out, which floats, to be fallen to the ground and can form environmental pollution to power plant periphery.
The white plume of elimination chimney breast is required in the newest pollutant emission standard in some areas, power plant uses at present
MGGH or WGGH technology eliminates white plume, and the wet flue gas that MGGH or WGGH technology is exported by directly heating desulfurizing tower passes through
Flue-gas temperature is improved by flue gas to unsaturated state, to eliminate white plume.But MGGH or WGGH technology does not reduce
Water content and pollutant discharge amount in flue gas, winter need to come into operation part extracted steam from turbine to guarantee chimney breast smoke temperature, increase
The energy consumption of unit, and it is unable to accurately control chimney inlet flue gas temperature, so as to cause energy waste or white cigarette problem can not be eliminated.
Above-mentioned elimination white cigarette plant energy consumption is high, is unable to moisture in recovered flue gas, reduces pollutant load in flue gas, can not control
Make suitable smoke temperature.
Utility model content
The shortcomings that the purpose of the utility model is to overcome the above-mentioned prior arts provides a kind of auto-controlled energy-saving type elimination
The device of plume, the device can be realized the recycling of moisture in flue gas, reduce pollutant emission, is white using smoke discharging residual heat, elimination
The multi-functionals such as color plume have preferable economy and environmental benefit.
In order to achieve the above objectives, the utility model is achieved using following technical scheme:
A kind of auto-controlled energy-saving type eliminates the device of plume, including deduster, outlet of the flue gas through deduster successively into
Enter level-one cooling device, desulfurizing tower, second level cooling device and Smoke-heating device, finally by heating flue gas through chimney outside
Row；The series connection of the cold side of level-one cooling device and second level cooling device, entrance are connected with the water inlet of condensate system, export and solidifying
The entrance for bearing water certain grade of heater of system is connected；The hot Secondary Air and second level that Smoke-heating device exports air preheater are cooling to be filled
Set the low-temperature flue gas Hybrid Heating of outlet.
Compared with prior art, the utility model has the following beneficial effects:
The utility model will eliminate white plume system and join together with steam air heater and condensate system, can deep exploitation cigarette
Gas waste heat reduces units consumption, and air preheater entrance supply air temperature can be improved, and air preheater is effectively prevent to block.This reality
Use two-stage cooling device with novel, can moisture effectively in recovered flue gas, reduce unit water consume, reduce pollutant emission, eliminate
White plume improves ambient atmosphere environment.The utility model heating system is using hot Secondary Air and flue gas mixed heating, a side
Flue-gas temperature is improved in face, on the other hand reduces smoke moisture, and only needing lesser temperature rise is that can reach the purpose for eliminating white plume,
Have the characteristics that energy saving, efficient.The utility model has the function of automatically controlling, according to the flue gas of monitoring and surrounding air temperature
Degree, moisture signal automatically adjust hot Secondary Air incorporation, realize the closed-loop control to chimney inlet flue gas temperature.
Detailed description of the invention
Fig. 1 is that the auto-controlled energy-saving type that the utility model embodiment coal-burning power plant uses eliminates plume schematic device.
In figure: 1- steam air heater；2- condensate system；3- level-one cooling device；4- second level cooling device；5- demister；6-
Liquid trap；7- Smoke-heating device；8- signal processor；9- electronic control unit；The first humiture measurement mechanism of 10-；11-
Two humiture measurement mechanisms；12- temperature measuring device；13- deduster；14- desulfurizing tower；15- chimney；16- heater.
Specific embodiment
In order to make those skilled in the art better understand the scheme of the utility model, below in conjunction with the utility model reality
The attached drawing in example is applied, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only the embodiment of the utility model a part, instead of all the embodiments.Based on the reality in the utility model
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts is all answered
When the range for belonging to the utility model protection.
It should be noted that the specification and claims of the utility model and term " first " in above-mentioned attached drawing,
" second " etc. is to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that in this way
The data used are interchangeable under appropriate circumstances, so that the embodiments of the present invention described herein can be in addition at this
In illustrate or description those of other than sequence implement.In addition, term " includes " and " having " and their any deformation, meaning
Figure be to cover it is non-exclusive include, for example, containing the process, method, system, product or equipment of a series of steps or units
Those of be not necessarily limited to be clearly listed step or unit, but may include be not clearly listed or for these processes,
The intrinsic other step or units of method, product or equipment.
The utility model is described in further detail with reference to the accompanying drawing:
Referring to Fig. 1, a kind of auto-controlled energy-saving type that the utility model coal-burning power plant uses eliminates the device of plume, including
Steam air heater 1, condensate system 2, level-one cooling device 3, second level cooling device 4, demister 5, liquid trap 6, Smoke-heating device
7, signal processor 8, electronic control unit 9, Smoke-heating device entrance flue gas temperature and humidity measuring instrument 10, ambient air
Temperature and humidity measuring device 11, chimney entrance flue gas temperature measuring device 12.
13 exiting flue gas of deduster cools down by level-one cooling device 3, reduces flue gas by desulfurizing tower 14 and carries water
Then the ability divided passes through desulfurizing tower 14；14 exiting flue gas of desulfurizing tower is by water in 4 condensation flue gas of second level cooling device
Point；Flue gas after cooling enters Smoke-heating device 7, controls suitable chimney inlet flue gas temperature by smoke temperature automatic control system,
Flue gas after heated is discharged into atmosphere by chimney 15, eliminates white plume.
The cooling water come from condensed water successively passes through second level cooling device 4 and level-one cooling device 3, the cooling dress of two-stage flue gas
Set arranged in series.Condensation moisture two-way after being heated: being connected with steam air heater 1 all the way, for heating supply air temperature, improves empty pre-
Device exports the comprehensive mean temperature of cold end, improves boiler efficiency, effectively prevents ultra-clean discharge bring air preheater burn into blocking and asks
Topic；Another way is connected with certain grade of 16 entrance of heater, squeezes extracted steam from turbine, improves the thermal efficiency of cycle of unit.
The outlet of second level cooling device 4 arrangement high efficiency demister 5, removes the moisture being precipitated in flue gas, reduces humidity of flue gas,
Lower disposed liquid trap 6, the water being collected into are used for desulphurization system.SO with the precipitation of moisture in flue gas, in flue gas2、SO3、
The pollutants such as dust are removed together in conjunction with precipitation moisture, reduce the discharge amount of pollutant.
Smoke-heating device 7 be it is hybrid, by the low temperature cigarette that air preheater exports hot Secondary Air and second level cooling device 4 exports
The direct Hybrid Heating of gas, by Hybrid Heating, on the one hand improves chimney entrance cigarette since hot wind humidity is much smaller than smoke moisture
Temperature, on the other hand reduce mixing after flue gas humidity, according to eliminate white cigarette principle analysis it is found that eliminate white cigarette needed for heat more
Small, system energy consumption is lower.
Pass through Smoke-heating device entrance flue gas temperature and humidity measuring instrument 10, ambient air temperature and moisture measurement dress
It sets 11 and obtains Smoke-heating device entrance flue gas temperature, the temperature of moisture signal S1 and ambient air, moisture signal S2, be passed to letter
In number processor 8, signal processor 8 handles input signal, and the chimney inlet flue gas temperature signal of white plume is eliminated in output
D1, and signal is passed to electronic control unit 9 by treated.The comprehensive chimney entrance for eliminating white plume of electronic control unit 9
Smoke temperature signal D1, actual measurement chimney inlet flue gas temperature signal S3 generate corresponding incorporation secondary air flow and control signal, control damper
Plate aperture, to realize feedback control, is realized to chimney entrance cigarette using actual measurement chimney inlet flue gas temperature signal S3 as feedback signal
Temperature is precisely controlled.
It obtains according to flue-gas temperature-water capacity characteristic curve by input signal S1 and signal S2 and does not generate white plume
Minimum flue-gas temperature signal D1.By comparing signal D1 and signal S3, big hot air disperser is opened if signal D1 is greater than signal S3, is increased
Add the hot secondary air flow of incorporation, eliminates white plume；Hot air disperser is turned down if signal D1 is less than signal S3, it is secondary to reduce incorporation heat
Air quantity reaches energy-saving effect.
In this embodiment, while eliminating white plume, moisture in flue gas can be recycled, reduce unit water consume；Efficiently
Using fume afterheat, air preheater blockage problem caused by minimum discharge is prevented and treated, improves boiler efficiency and unit cycle efficieny, is reduced
Units consumption；By closed loop feedback, realization is precisely controlled smoke temperature, and preventing white cigarette cannot be completely eliminated or fibre selection
Excessively high problem.
The above content is only to illustrate the technical idea of the utility model, and the protection model of the utility model cannot be limited with this
Enclose, it is all according to the utility model proposes technical idea, any changes made on the basis of the technical scheme each falls within this reality
Within protection scope with novel claims.
Claims (5)
1. the device that a kind of auto-controlled energy-saving type eliminates plume, which is characterized in that including deduster (13), flue gas is through deduster
(13) outlet sequentially enters level-one cooling device (3), desulfurizing tower (14), second level cooling device (4) and Smoke-heating device
(7), finally pass through the flue gas of heating through chimney (15) outlet；The cold side of level-one cooling device (3) and second level cooling device (4) string
Connection, entrance are connected with the water inlet of condensate system, and outlet is connected with the entrance of certain grade of heater (16) of condensate system；Cigarette
The low-temperature flue gas Hybrid Heating of hot Secondary Air and second level cooling device (4) outlet that gas heating device (7) exports air preheater.
2. the device that auto-controlled energy-saving type according to claim 1 eliminates plume, which is characterized in that level-one cooling device
(3) cold side outlet port is divided into two-way, is connected all the way with steam air heater (1), for heating supply air temperature, improves air preheater and exports cold end
Comprehensive mean temperature；Another way is connected with the entrance of certain grade of heater (16).
3. the device that auto-controlled energy-saving type according to claim 1 or 2 eliminates plume, which is characterized in that second level is cooling
The demister (5) for removing the moisture being precipitated in flue gas is provided between device (4) and Smoke-heating device (7).
4. the device that auto-controlled energy-saving type according to claim 3 eliminates plume, which is characterized in that second level cooling device
(4) liquid trap (6) are provided with below, for collecting desulphurization system water.
5. the device that auto-controlled energy-saving type according to claim 1 eliminates plume, which is characterized in that further include electronics control
Unit (9), signal processor (8), the first humiture measurement mechanism (10), the second humiture measurement mechanism (11) and temperature processed
Measuring device (12)；First humiture measurement mechanism (10) be used for measure Smoke-heating device (7) entrance flue gas temperature and
Humidity, obtains signal S1, and the second humiture measurement mechanism (11) is used to measure the temperature and humidity of ambient air, obtains signal
S2；Temperature measuring device (12) is used to measure the flue-gas temperature of chimney entrance, obtains signal S3；
Signal processor (8) handles the signal S1 and signal S2 of input, and the chimney entrance cigarette of white plume is eliminated in output
To electronic control unit (9), electronic control unit (9) is generated according to signal D1 and signal S3 to flue gas and is filled the signal D1 of temperature
The Boiler pressure control signal that incorporation heat is secondary in (7) is set, damper aperture is controlled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821284800.0U CN208687766U (en) | 2018-08-09 | 2018-08-09 | A kind of auto-controlled energy-saving type eliminates the device of plume |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821284800.0U CN208687766U (en) | 2018-08-09 | 2018-08-09 | A kind of auto-controlled energy-saving type eliminates the device of plume |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208687766U true CN208687766U (en) | 2019-04-02 |
Family
ID=65884445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821284800.0U Active CN208687766U (en) | 2018-08-09 | 2018-08-09 | A kind of auto-controlled energy-saving type eliminates the device of plume |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208687766U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108916901A (en) * | 2018-08-09 | 2018-11-30 | 西安热工研究院有限公司 | A kind of auto-controlled energy-saving type eliminates the device of plume |
-
2018
- 2018-08-09 CN CN201821284800.0U patent/CN208687766U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108916901A (en) * | 2018-08-09 | 2018-11-30 | 西安热工研究院有限公司 | A kind of auto-controlled energy-saving type eliminates the device of plume |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110425902A (en) | A kind of wet-method desulfurized fume waste heat recycling system and method | |
| CN107983077A (en) | A kind of system and method for administering desulfurization fume white plume | |
| CN104100994A (en) | Boiler energy saving and emission reduction system based on flue gas waste heat recovery and reheating technology | |
| CN206531318U (en) | Gas fired-boiler flue gas waste heat recovery, the open absorption heat pump processing equipment for disappearing white | |
| CN106765265A (en) | A kind of low low temperature heat system of ultra-clean discharging fire coal unit open type | |
| CN107913598A (en) | A kind of municipal solid waste incinerator SCR low-temperature denitration catalyst on-line regeneration systems and its renovation process | |
| CN104848238A (en) | Electric dust removal heat exchange system | |
| CN108916901A (en) | A kind of auto-controlled energy-saving type eliminates the device of plume | |
| CN208687766U (en) | A kind of auto-controlled energy-saving type eliminates the device of plume | |
| CN105351915B (en) | A kind of bicirculating boiler smoke discharging residual heat recovery is heated into stove wind devices and method | |
| CN203963990U (en) | A kind of based on flue gas waste heat recovery and the boiler energy-saving emission-reduction system of thermal technology again | |
| CN207762881U (en) | Garbage incinerating power plant steam air heater draining system | |
| CN109663490A (en) | Wet desulfurization flue gas condenser system and flue gas condensing method with water balance function | |
| CN206398742U (en) | A kind of low low temperature heat system of ultra-clean discharging fire coal unit open type | |
| CN107781835A (en) | A kind of tail flue gas total energy utilization system | |
| CN209361892U (en) | A kind of flue gas takes off white except water treatment system | |
| CN209093063U (en) | A kind of coloured plume cancellation element of sintering flue gas | |
| CN208260465U (en) | A kind of system for administering desulfurization fume white plume | |
| CN110486985A (en) | A kind of middle low-temperature flue gas waste heat and the recycling of water resource depth and flue gas take off white qualified discharge device | |
| CN211060156U (en) | High-efficiency energy-saving smoke condensing and reheating white smoke eliminating system | |
| CN109821330A (en) | Flue gas processing device and energy resource system | |
| CN108224462A (en) | It is a kind of to eliminate white misty rain joint flue gas waste heat recovery system | |
| CN111408240A (en) | Deep condensation and latent heat recovery and whitening device and method for wet desulphurization flue gas | |
| CN110631040A (en) | High-efficiency energy-saving smoke condensing and reheating white smoke eliminating system | |
| CN207907270U (en) | A kind of white misty rain joint flue gas waste heat recovery system of elimination |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |