CN206989804U - A kind of block clearing anti-block apparatus of rotary regenerative air preheater - Google Patents
A kind of block clearing anti-block apparatus of rotary regenerative air preheater Download PDFInfo
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- CN206989804U CN206989804U CN201721234241.8U CN201721234241U CN206989804U CN 206989804 U CN206989804 U CN 206989804U CN 201721234241 U CN201721234241 U CN 201721234241U CN 206989804 U CN206989804 U CN 206989804U
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- air
- flue gas
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- gas pipeline
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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
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Abstract
The utility model provides a kind of block clearing anti-block apparatus of rotary regenerative air preheater, including circulating flue gas pipeline, the first end connection fume side air inlet of circulating flue gas pipeline or the opening position of the first sealing sector plate, second end connects at the second sealing sector plate or any side close to the second sealing sector plate, and the dust arrester for being used for removing the dust in flue gas is provided between the first end and second end, the volume adjusting apparatus of the exhaust gas volumn conveyed for adjusting the circulating flue gas pipeline, for providing the block clearing high-temperature blower of power and the temperature measuring equipment of the low-temperature end temperature for monitoring heat accumulating element in real time to circulate the conveying of heat smoke.The utility model takes heat smoke to spray into the low-temperature end of heat accumulating element by circulating flue gas pipeline from fume side thermal source, on the one hand using the low-temperature end of thermal source heat storage element, avoids the too low heat accumulating element of temperature and is entering the stifled ash of fume side generation and low-temperature corrosion；On the other hand injection purging is carried out to stifled ash, blows original dust off.
Description
Technical field
Air Preheater Technology field is the utility model is related to, particularly, is related to a kind of the clear of rotary regenerative air preheater
Stifled anti-block apparatus.
Background technology
Coal-burning power plant can generate SO when using the ature of coal containing certain sulfur3, the SO that is generated3Amount by coal sulfur
High low factor influences from several ppm to tens a ppm even more high.Controlled by environmental protection standard, the substantially all dress in coal-burning power plant
If SCR system, for NO caused by burningXHandled to meet environmental protection standard to NOXThe requirement of concentration of emission.SCR systems
System removing NOXProcess need according to boiler generate NOXAmount sprays into substantial amounts of NH3, limited by field condition, part NH3Fail
It is complete to participate in reaction so that part NH3Escape and the SO in flue gas3React generation NH4HSO4(ammonium hydrogen sulfate).
Air preheater is generally divided into two kinds of tubular type and swinging, and at present, rotary regenerative air preheater is included with rotor
Heart cylinder is the rotor in the center of circle, and the rotor has multiple compartments, heat accumulating element is provided with compartment, in the distribution general up and down of rotor compartment
There are three pairs of fanning strips symmetrical above and below, wherein two pairs of fanning strips are the semicircles that rotor is divided into two formed objects, so as to turn
Son is divided into fume side and air side, and air side is divided into First air side and Secondary Air side further through another pair fanning strip.When by
When heat is in fume side, the heat accumulating element of low-temperature end absorbs flue gas heat, and thermal reservoir is got up, when going to air side
When, heat accumulating element is again put the heat of storage to air, and its own temperature reduces, and rotor constantly rotates, and heat is just constantly from cigarette
Gas side is transmitted to air side so that air is heated, and flue gas is cooled down, and so as to improve the heat-exchange capacity of boiler, is reduced
Energy loss.
High-temperature flue gas air inlet preheater heat exchange (general air preheater entrance flue gas temperature is 350~400 DEG C) adds
Heat boiler First air and Secondary Air.After heat exchange by air preheater whole flow process, air preheater low-temperature end exiting flue gas
Mean temperature typically drops to 130~160 DEG C, during which the SO in flue gas3Condense, so as to which heat exchanging face causes to corrode, while sulfuric acid
Hydrogen ammonium has very strong viscosity, is easily adhered to air preheater heat accumulating element surface, meanwhile, stronger viscosity also easily adheres to
Flying dust in flue gas, so as to cause air preheater outlet pressure difference increase, block it is serious, the problems such as air-introduced machine stall, final shadow
Ring unit output.
The heat accumulating element of scavenging air preheater includes three kinds of modes in the prior art：First, artificial on-line rinsing.Manually
On-line rinsing is the emergency measure of when air preheater blocks more serious (more than fume side differential pressure 1.8kPa), can be certain
Alleviate blockage problem in degree.But because now air preheater has blocked very serious, black dirt is firmly bonded, it is difficult to by depth side
It is fully erased to the hard scale of blocking, thus can not ensure air preheater fume side differential pressure dropping to normal operating value
(1.0kPa-1.1kPa), and differential pressure can rise again after stopping flushing, the time of flushing is long, costly.Artificial on-line rinsing is because even
The continuous time rinsed is typically up to 10 days or so, and flue bottom can be accumulated to by washing out a large amount of black dirts to get off, the partial product in operation
, potential safety hazard be present in the also bad processing of ash.Second, brought offline is rinsed.Brought offline rinse have by heat accumulating element hang out flushing and
Two methods of flushing are not hung out.If heat accumulating element is hung out into flushing, the ash-cleaning inside heat accumulating element can substantially be done
Only, but heat accumulating element dismounting and rinse it is long in time limit, and rinse it is costly.If heat accumulating element is not hung out into flushing, developing fee is used
Although much lower, developing result is not so good as heat accumulating element hanging out flushing, it is difficult to which the black dirt inside heat accumulating element is thoroughly clear
Remove, and offline shutdown flushing must could be carried out when unit has an opportunity and shut down.Third, install intelligent online automatic flushing device additional.
This scheme can effectively control air preheater fume side differential pressure to be avoided in allowed band because air preheater Severe blockage causes
Air-introduced machine stall and unit on-load ability decline, while can avoid because air preheater Severe blockage causes boiler operatiopn cost
Rise.This scheme can solve low-temperature end air preheater blockage problem, can not solve hot junction air preheater blockage problem.
Utility model content
The utility model purpose is the block clearing anti-block apparatus for providing a kind of rotary regenerative air preheater, to solve existing sky
Air preheater holds susceptible to plugging technical problem.
To achieve the above object, the utility model provides a kind of block clearing anti-block apparatus of rotary regenerative air preheater, bag
Include circulating flue gas pipeline, the first end connection fume side air inlet or Secondary Air air outlet and fume side of the circulating flue gas pipeline
The opening position of first sealing sector plate of air inlet connecting place, the second end connection Secondary Air air inlet of the circulating flue gas pipeline
With at the second sealing sector plate of fume side air outlet connecting place either close to the left and right sides of second sealing sector plate
In any side, and between the first end and second end be provided with dust arrester, volume adjusting apparatus, the high warm air of block clearing
Machine and temperature measuring equipment so that enter fume side air outlet after the heat smoke removing dust of fume side air inlet and supercharging and formed
Circulation heat smoke the low-temperature end of heat accumulating element is purged and preheated；The dust arrester is used to remove the ash in flue gas
Dirt；The block clearing high-temperature blower is used to provide power to circulate the conveying of heat smoke；The temperature measuring equipment, which is used to monitor in real time, to be stored
The temperature of the low-temperature end of thermal element；The volume adjusting apparatus is adjusted the air quantity that the circulating flue gas pipeline is conveyed.
Especially, the volume adjusting apparatus, block clearing high-temperature blower and temperature measuring equipment are controlled automatically by switch board
System, switch board volume adjusting apparatus according to the Numerical Control for the heat accumulating element that the temperature measuring equipment feeds back are adjusted
The air quantity and the blast of the block clearing high-temperature blower that the circulating flue gas pipeline is conveyed.
Especially, flue gas injection device, the flue gas injection dress are additionally provided with the second end of the circulating flue gas pipeline
Put the connection circulating flue gas pipeline；The flue gas injection device includes air curtain air compartment and rectification air compartment, and the air curtain air compartment is set
Put at the sealing sector plate of Secondary Air air inlet and fume side air outlet connecting place or set close to the sealing sector plate
Put, leaking out for fume side is prevented for spraying high speed heat smoke；The rectification air compartment and the air curtain air compartment are arranged side by side and opened
Mouth is towards heat accumulating element, for cycling hot flue gas shunting ejection in part to be purged to the low-temperature end of heat accumulating element and in advance
Heat.
Especially, the opening of the air curtain air compartment is the air curtain spout of sleeve configuration, to spray high speed heat smoke；It is described
The opening of rectification air compartment is provided with flow straightening grid, and the flow straightening grid is used for the cycling hot cigarette for being dispersed into the rectification air compartment
Gas, increase purging and preheating area.
Especially, the injection flow velocity for the heat smoke that the flue gas injection device sprays is 5m/s-80m/s.
Especially, the flue gas injection device also includes air inlet and distribution air compartment, the air inlet and the circulation cigarette
The second end connection of air pipe；The distribution air compartment is used for cycling hot flue gas shunting to the air curtain air compartment and the rectification wind
Room.
Especially, demarcation strip and drag devices are provided with inside the distribution air compartment, the demarcation strip is used to that institute will to be entered
The cycling hot flue gas shunting for stating distribution air compartment respectively enters the air curtain air compartment and the rectification air compartment；The drag devices are point
Every the polylith dividing plate of setting, the drag devices are arranged at the side of the rectification air compartment, for adjust the air curtain air compartment and
The allocation of the amount of air of the rectification air compartment.
Especially, being sticked on the circulating flue gas pipeline inner wall has ceramics or hexsteel.
Especially, the section of the circulating flue gas pipeline can be circular or polygon, the circulating flue gas pipeline
Flow area is 0.2m2-1.7m2。
Especially, the temperature measuring equipment uses infrared thermometry device, and temperature detection range is 0 DEG C -300 DEG C.
Using the technical solution of the utility model, have the advantages that：
1st, air preheater block clearing anti-block apparatus of the present utility model takes heat by circulating flue gas pipeline from fume side thermal source
Flue gas, the low-temperature end of air preheater heat accumulating element is sprayed into through flue gas injection device, on the one hand stored using thermal source heating low-temperature end
Backing, so that the too low heat accumulating element of temperature is instantly obtained heating after fume side is entered, it is too low so as to avoid temperature
NH rapidly occurs after fume side is entered for heat accumulating element4HSO4The problem of condensing on heat accumulating element and protection heat accumulating element
Low-temperature corrosion does not occur；On the other hand using the injection flow and injection pressure of flue gas injection device to having been deposited on storage originally
Stifled ash in the low-temperature end of thermal element carries out injection purging, gradually that stifled ash purging is clean, recovers the function of heat accumulating element.
2nd, the feedback and volume adjusting apparatus that air preheater block clearing anti-block apparatus passes through temperature element in the utility model
Air quantity regulation is carried out, the low-temperature end of air preheater heat accumulating element can be made can all be heated to 70- before fume side is entered
150 DEG C, therefore pre- anti-low-temperature corrosion and NH can be realized4HSO4Condensation avoids storing on prevention air preheater heat accumulating element
Thermal element adhering dust blocks；Temperature measuring equipment, volume adjusting apparatus and the high warm air of block clearing of switch board control are utilized simultaneously
Machine regulates and controls the flow of the heat smoke in circulating flue gas pipeline, so as to adjust jet velocity and regulation to the low of heat accumulating element
Wen Duan degree of heat meets the demand of different air preheaters, saves the energy, reduces loss.
3rd, it can carry out denitration process that air preheater block clearing anti-block apparatus, which takes the position of thermal source, in the utility model
The optional position of flue afterwards, therefore be easily installed and construct, and the overall length of circulating flue gas pipeline can also be greatly reduced
Degree, there is the advantages of reducing input.
4th, thermal source draws high-temperature flue gas and first passes around cleaner in the utility model, and the device can use multistage cyclone
Separation, separating effect is high, and block clearing high-temperature blower and follow-up circulating flue gas pipeline are shielded.
5th, the flue gas injection device in the utility model in air preheater block clearing anti-block apparatus, can be fabricated to widgets
Form, very convenient installation and construction, while be also beneficial to overhaul；The injection flow of flue gas injection device can be adjusted simultaneously
And (flue gas injection device sets two air compartments to injection pressure etc., can both carry out preventing leaking out for fume side using air curtain air compartment
While increase blast, purge energetically；The purging area of rectification air compartment increase heat smoke can be utilized again so that heat accumulating element is more
Easily recover clean conditions, the operation time limit of air preheater can increase significantly), therefore, the system not only has pre- air defense
The function that air preheater blocks, also there is the function of dredging Ash Blocking in Air Preheater.
In addition to objects, features and advantages described above, the utility model also has other purposes, feature and excellent
Point.Below with reference to figure, the utility model is described in further detail.
Brief description of the drawings
The accompanying drawing for forming the part of the application is used for providing further understanding to of the present utility model, of the present utility model
Schematic description and description is used to explain the utility model, does not form to improper restriction of the present utility model.
In the accompanying drawings：
Fig. 1 is the overall structure diagram of system in embodiment 1；
Fig. 2 is the top view of flue gas injection device in embodiment 1；
Fig. 3 is Fig. 2 A-A sectional views；
Reference：
1st, circulating flue gas pipeline, 2, fume side air inlet, 3, fume side air outlet, 4, dust arrester, 5, flue gas injection dress
Put, 5.1, air curtain air compartment, 5.1.1, air curtain spout, 5.2, rectification air compartment, 5.2.1, flow straightening grid, 5.3, air inlet, 5.4, point
Distribution plenum, 5.4.1, demarcation strip, 5.4.2, drag devices, 6, block clearing high-temperature blower, 7, temperature measuring equipment, 8, switch board, 9, air quantity
Adjusting means, 10, flapper, 11, rotary regenerative air preheater.
Embodiment
Embodiment of the present utility model is described in detail below in conjunction with accompanying drawing, but the utility model can be according to power
Profit requires to limit and the multitude of different ways of covering is implemented.
Embodiment 1
Refer to Fig. 1, a kind of block clearing anti-block apparatus of rotary regenerative air preheater, the swinging air preheat in the present embodiment
Device 11 is three bins, including wind cabin of high pressure, low-pressure secondary wind cabin and flue gas storehouse, and the blast of wind cabin of high pressure is more than low
Press the blast of secondary wind cabin；The wind of wind cabin of high pressure flows to First air air outlet, low-pressure secondary wind cabin from First air air inlet
Wind flow to Secondary Air air outlet from Secondary Air air inlet, the wind in flue gas storehouse flows to fume side air outlet from fume side air inlet 2
3；Heat accumulating element swinging operates, and flue gas heats the heat accumulating element of fume side, and then swinging runs to First air side successively
With Secondary Air side and First air and Secondary Air are heated, in the process of running, because First air and Secondary Air are cold
Wind, the temperature of heat accumulating element can be gradually reduced, particularly the position of the hot end seal fanning strip of Secondary Air and fume side connecting place
Place and its both sides are the low-temperature end of heat accumulating element, thus heat accumulating element enter fume side after NH can rapidly occur4HSO4Condense in
On heat accumulating element, so as to cause clogging phenomenon.
It is additionally arranged a circulating flue gas pipeline 1 in the utility model, in the present embodiment, the first of the circulating flue gas pipeline
End connection fume side air inlet 2 (can also be the first sealing sector plate of Secondary Air air outlet and fume side air inlet connecting place
Opening position, i.e., at hot end seal fanning strip), the second end of circulating flue gas pipeline connection Secondary Air air inlet and fume side
The side of fume side air outlet 3 is leaned at second sealing sector plate of the connecting place of air outlet 3, from the second sealing sector plate 20cm
Within scope or it is close to (can also be that second sealing sector plate leans on the side of secondary air inlet (from described second
Within sealing sector plate 20cm scopes or be close to can be with) or second sealing sector plate opening position), and described first
Dust arrester 4, volume adjusting apparatus 9, block clearing high-temperature blower 6 and temperature measuring equipment 7 are provided between end and second end so that
Enter fume side air outlet after the heat smoke removing dust of fume side air inlet and supercharging and form circulation heat smoke to heat accumulating element
Low-temperature end purged and preheated.
Wherein, the dust arrester can use multistage cyclone to separate, and filter the particulate contaminant in flue gas, device peace
Before block clearing high-temperature blower, abrasion of the impurity in flue gas to block clearing high-temperature blower is reduced；The block clearing high-temperature blower is used
In providing power to circulate the conveying of heat smoke, have the characteristics that wear-resisting, corrosion-resistant；The temperature measuring equipment, which is used to monitor in real time, to be stored
The temperature of the low-temperature end of thermal element；The volume adjusting apparatus (can select electrically operated valve etc.) is adjusted the circulating flue gas
The air quantity that pipeline is conveyed, motorized adjustment or pneumatic regulation can be used, and can be automatically controlled by switch board, passed through
The size of air quantity is adjusted to adjust the degree of heat of jet velocity and regulation to the low-temperature end of heat accumulating element.
The volume adjusting apparatus, block clearing high-temperature blower and temperature measuring equipment are automatically controlled by switch board 8, described
Switch board volume adjusting apparatus according to the Numerical Control for the heat accumulating element that the temperature measuring equipment feeds back follows described in being adjusted
The air quantity that ring flue gas pipeline is conveyed, ensure the temperature control of low-temperature end of heat accumulating element at 70 DEG C -150 DEG C；Control institute simultaneously
The blast of block clearing high-temperature blower is stated, is blown.
The section of the circulating flue gas pipeline can be circular or polygon, the flow area of the circulating flue gas pipeline
For 0.2m2-1.7m2。
The temperature measuring equipment using the non-contact temperature measuring device such as infrared thermometry device, temperature detection range is 0 DEG C-
Between 300 DEG C.
The flapper 10 for preventing smoke backflow is additionally provided with below the dust arrester.
Being sticked on the circulating flue gas pipeline inner wall has ceramics or the high-abrasive material such as hexsteel, service life up to 10 years with
On.
Flue gas injection device 5, the flue gas injection device connection are additionally provided with second end of the circulating flue gas pipeline
The circulating flue gas pipeline, the flue gas injection device can be that flute profile, sector, pipe fluting shape or perforate shape, square etc. are appointed
Shape of anticipating (being square in the present embodiment), as long as disclosure satisfy that any point in following 2 points：A, flue gas injection device can incite somebody to action
The injection of heat smoke spreadability is to air preheater heat accumulating element, to reach the purpose of heating air preheater heat accumulating element；b、
Flue gas injection device, which can be sprayed heat smoke to air preheater heat accumulating element with certain pressure and speed, has reached purging air
The purpose of preheater heat accumulating element.
Fig. 2-Fig. 3 is referred to, the flue gas injection device includes air curtain air compartment 5.1, rectification air compartment 5.2, air inlet 5.3 and divided
Distribution plenum 5.4, the air inlet connect with the second end of the circulating flue gas pipeline；Wind enters air inlet from circulating flue gas pipeline
Air compartment is distributed entering；Air compartment is distributed by cycling hot flue gas shunting to the air curtain air compartment and the rectification air compartment.
The rectification air compartment and the air curtain air compartment are arranged side by side and are open towards heat accumulating element 6；The air curtain air compartment
It is arranged at second sealing sector plate or is set close to second sealing sector plate (fan-shaped apart from the described second sealing
In the range of plate 20cm or it is close to set), the opening of the air curtain air compartment is the air curtain spout 5.1.1 of sleeve configuration, for spraying height
Speed heat flue gas prevents leaking out for fume side；The opening of the rectification air compartment is provided with by flow straightening grid 5.2.1, the flow straightening grid
For being dispersed into the circulation heat smoke of the rectification air compartment, increase purging and preheating area.
Demarcation strip 5.4.1 and drag devices 5.4.2 are provided with inside the distribution air compartment, the demarcation strip is used to enter
The cycling hot flue gas shunting of the distribution air compartment respectively enters the air curtain air compartment and the rectification air compartment, and the demarcation strip can
Left and right is adjusted, and the allocation of the amount of air of both sides air compartment is adjusted by adjusting the amplitude to swing；The drag devices are set to separate
Polylith dividing plate (can also be other components for taking blocking effect such as grid), the drag devices are arranged at the rectification air compartment
Side, by increase resistance reach adjustment both sides compartment pressure difference purpose.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model
Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.
Claims (10)
1. the block clearing anti-block apparatus of a kind of rotary regenerative air preheater, it is characterised in that described including circulating flue gas pipeline (1)
The of the first end connection fume side air inlet (2) of circulating flue gas pipeline or Secondary Air air outlet and fume side air inlet connecting place
The opening position of one sealing sector plate, the second end connection Secondary Air air inlet and fume side air outlet of the circulating flue gas pipeline
(3) either close to any one in the left and right sides of second sealing sector plate at the second sealing sector plate of connecting place
Side, and dust arrester (4), volume adjusting apparatus (9), block clearing high-temperature blower are provided between the first end and second end
(6) and temperature measuring equipment (7) so that enter the fume side air-out degree of lip-rounding after the heat smoke removing dust of fume side air inlet and supercharging
The low-temperature end of heat accumulating element is purged and preheated into the circulation heat smoke fallen；The dust arrester is used to remove in flue gas
Dust；The block clearing high-temperature blower is used to provide power to circulate the conveying of heat smoke；The temperature measuring equipment is used to monitor in real time
The temperature of the low-temperature end of heat accumulating element；The volume adjusting apparatus is adjusted the air quantity that the circulating flue gas pipeline is conveyed.
A kind of 2. block clearing anti-block apparatus of rotary regenerative air preheater according to claim 1, it is characterised in that the wind
Quantity regulating device, block clearing high-temperature blower and temperature measuring equipment are automatically controlled by switch board (8), and the switch board is according to institute
Volume adjusting apparatus described in stating the Numerical Control of the heat accumulating element of temperature measuring equipment feedback is adjusted the circulating flue gas pipeline institute
The blast of the air quantity of conveying and the block clearing high-temperature blower.
3. the block clearing anti-block apparatus of a kind of rotary regenerative air preheater according to claim 1, it is characterised in that described to follow
Flue gas injection device (5) is additionally provided with second end of ring flue gas pipeline, the flue gas injection device connects the circulating flue gas
Pipeline；The flue gas injection device includes air curtain air compartment (5.1) and rectification air compartment (5.2), and the air curtain air compartment is arranged on secondary
Either set at the sealing sector plate of wind air inlet and fume side air outlet connecting place close to the sealing sector plate, for spraying
Going out high speed heat smoke prevents leaking out for fume side；The rectification air compartment and the air curtain air compartment are arranged side by side and are open towards storage
Thermal element, the low-temperature end of heat accumulating element is purged and preheated for part cycling hot flue gas shunting to be sprayed.
A kind of 4. block clearing anti-block apparatus of rotary regenerative air preheater according to claim 3, it is characterised in that the wind
The opening of curtain air compartment is the air curtain spout (5.1.1) of sleeve configuration, to spray high speed heat smoke；The opening of the rectification air compartment
Flow straightening grid (5.2.1) is provided with, the flow straightening grid is used for the circulation heat smoke for being dispersed into the rectification air compartment, and increase is blown
Sweep and preheat area.
A kind of 5. block clearing anti-block apparatus of rotary regenerative air preheater according to claim 3, it is characterised in that the cigarette
The injection flow velocity for the heat smoke that gas spraying device sprays is 5m/s-80m/s.
A kind of 6. block clearing anti-block apparatus of rotary regenerative air preheater according to claim 3, it is characterised in that the cigarette
Gas spraying device also includes air inlet (5.3) and distribution air compartment (5.4), the air inlet and the second of the circulating flue gas pipeline
End connection；The distribution air compartment is used for cycling hot flue gas shunting to the air curtain air compartment and the rectification air compartment.
7. the block clearing anti-block apparatus of a kind of rotary regenerative air preheater according to claim 6, it is characterised in that described point
Demarcation strip (5.4.1) and drag devices (5.4.2) are provided with inside distribution plenum, the demarcation strip is used to that the distribution wind will to be entered
The cycling hot flue gas shunting of room respectively enters the air curtain air compartment and the rectification air compartment；The drag devices are set for separation
Polylith dividing plate, the drag devices are arranged at the side of the rectification air compartment, for adjusting the air curtain air compartment and the rectification
The allocation of the amount of air of air compartment.
8. the block clearing anti-block apparatus of a kind of rotary regenerative air preheater according to claim 1, it is characterised in that described to follow
Being sticked on ring flue gas pipeline inwall has ceramics or hexsteel.
9. the block clearing anti-block apparatus of a kind of rotary regenerative air preheater according to claim 1, it is characterised in that described to follow
The section of ring flue gas pipeline can be circular or polygon, and the flow area of the circulating flue gas pipeline is 0.2m2-1.7m2。
10. the block clearing anti-block apparatus of a kind of rotary regenerative air preheater according to claim 1, it is characterised in that described
Temperature measuring equipment uses infrared thermometry device, and temperature detection range is 0 DEG C -300 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721234241.8U CN206989804U (en) | 2017-09-25 | 2017-09-25 | A kind of block clearing anti-block apparatus of rotary regenerative air preheater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721234241.8U CN206989804U (en) | 2017-09-25 | 2017-09-25 | A kind of block clearing anti-block apparatus of rotary regenerative air preheater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206989804U true CN206989804U (en) | 2018-02-09 |
Family
ID=61417557
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721234241.8U Expired - Fee Related CN206989804U (en) | 2017-09-25 | 2017-09-25 | A kind of block clearing anti-block apparatus of rotary regenerative air preheater |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109724104A (en) * | 2018-12-06 | 2019-05-07 | 南京博沃科技发展有限公司 | A kind of anti-blocking grey air volume control method of air preheater and device for monitoring running |
| CN110186317A (en) * | 2019-05-09 | 2019-08-30 | 华电电力科学研究院有限公司 | A kind of air preheater on-line cleaning equipment and its application method |
| CN111013377A (en) * | 2019-11-19 | 2020-04-17 | 华电电力科学研究院有限公司 | Independently adjustable anti-blocking structure and method for four-bin air preheater |
| CN112161512A (en) * | 2020-08-18 | 2021-01-01 | 华电电力科学研究院有限公司 | Device that rotation air preheater blockked up comprehensive control |
-
2017
- 2017-09-25 CN CN201721234241.8U patent/CN206989804U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109724104A (en) * | 2018-12-06 | 2019-05-07 | 南京博沃科技发展有限公司 | A kind of anti-blocking grey air volume control method of air preheater and device for monitoring running |
| CN110186317A (en) * | 2019-05-09 | 2019-08-30 | 华电电力科学研究院有限公司 | A kind of air preheater on-line cleaning equipment and its application method |
| CN110186317B (en) * | 2019-05-09 | 2024-02-09 | 华电电力科学研究院有限公司 | Online cleaning equipment for air preheater and application method of online cleaning equipment |
| CN111013377A (en) * | 2019-11-19 | 2020-04-17 | 华电电力科学研究院有限公司 | Independently adjustable anti-blocking structure and method for four-bin air preheater |
| CN112161512A (en) * | 2020-08-18 | 2021-01-01 | 华电电力科学研究院有限公司 | Device that rotation air preheater blockked up comprehensive control |
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