CN208536030U - A kind of rotary regenerative air preheater apex combustion seal - Google Patents
A kind of rotary regenerative air preheater apex combustion seal Download PDFInfo
- Publication number
- CN208536030U CN208536030U CN201820754466.4U CN201820754466U CN208536030U CN 208536030 U CN208536030 U CN 208536030U CN 201820754466 U CN201820754466 U CN 201820754466U CN 208536030 U CN208536030 U CN 208536030U
- Authority
- CN
- China
- Prior art keywords
- diaphragm seal
- rotor
- heat exchanger
- preheater
- exchanger plates
- 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.)
- Expired - Fee Related
Links
- 230000001172 regenerating effect Effects 0.000 title claims abstract description 13
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 9
- 239000007789 gas Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Air Supply (AREA)
Abstract
The utility model discloses a kind of rotary regenerative air preheater apex combustion seal, including preheater, the preheater by fanning strip, cylindrical outer cover, rotor and plate package at.The utility model structure is simple, rotor drives heat exchanger plates rotation, it exchanges heat, when diaphragm seal passes through fanning strip, diaphragm seal and fanning strip are in close contact, fill up the gap between heat exchanger plates and fanning strip, the hot gas for avoiding the occurrence of high pressure flows to the air of low pressure, reduce heat exchange efficiency, when diaphragm seal uses for a long time, it wears, when reducing leakproofness, rotate threaded rod, it is slided by connecting line band movable slider, the angle between two connecting rods becomes larger at this time, to which the spacing between two lifter plates increases, increase the tightness that diaphragm seal is contacted with fanning strip, improve the utilization rate of diaphragm seal.
Description
Technical field
The utility model relates to preheater technical fields more particularly to a kind of rotary regenerative air preheater radial seal to fill
It sets.
Background technique
Rotary regenerative air preheater is the tail portion heat exchange equipment being widely used on large and medium-sized station boiler, its main function
It is: 1. further decreases exhaust gas temperature, boiler efficiency is improved, to reach fuel-saving purpose；2. improving feeding
The air for combustion temperature of boiler, is conducive to the stability of flame, and improves the after-flame degree of fuel, that is, improves combustion
Burn efficiency；3. improving the temperature levels of flue gas in whole equipment, the temperature and pressure between working medium are increased, were conducted heat to enhance
Journey.
Rotary regenerative air preheater has many advantages, such as that compact-sized, steel consumption is few, is easy arrangement, but returns compared with tubular type
Rotary air preheater air leak rate of air curtain height is insoluble problem, is the fatal defects of such equipment, so in rotary sky
In air preheater technology, prevents or reduce i.e. sealing technique of leaking out and occupy critically important status.Make a general survey of rotary regenerative air preheater
Developing history, it may be said that be to a certain extent sealing technique development history.Leaking out for air preheater will lead to unit
The variation of thermal drying, with the increase of inleakage, hot blast temperature decline, exhaust gas temperature also declines, and exhaust gas temperature decline is led again
Refrigeration end wall temperature of heated surface reduces, and accelerates the process of low-temperature corrosion；It leaks out and has an effect on the economic benefit of unit operation, its side
Face reduces the thermal efficiency of unit, on the other hand increases the power consumption of ventilating machinary, makes enterprise's coal consumption for power generation and power supply coal
Consumption increases；In order to solve Air Leakage, diaphragm seal can generally be added, reduce the gap between preheater components, but diaphragm seal
It easily wears, needs to be replaced frequently, so that diaphragm seal utilization rate is lower.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of rotary air proposed
Preheater apex combustion seal.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of rotary regenerative air preheater apex combustion seal, including preheater, the preheater by fanning strip, cylindricality outside
Shell, rotor and plate package are equipped with rotor at the inner ring of, the cylindrical outer cover, and the both ends of rotor rotate and are socketed with annular sleeve,
The outer ring of annular sleeve is connected by the inner wall of fanning strip and cylindrical outer cover, and the heat exchanger plates are connected to the side wall of rotor, and rotor
Sealing adjuster is equipped between two turning sets, in the heat exchanger plates；
The sealing adjuster includes the cunning mouth being provided in heat exchanger plates, and the inner wall of sliding mouth is connected with fixed link, fixed link
On be respectively sleeved on sliding block and spring, and the both ends of spring connects with the inner wall of sliding block and sliding mouth respectively, the sliding block it is upper and lower
Both ends are hinged with one end of connecting rod, and the other end of connecting rod is hinged with the side of lifter plate, and the other side of lifter plate is removable
It unloads and is connected with diaphragm seal, the inner wall of the lifter plate and sliding mouth is slidably connected；
One end of the rotor is equipped with threaded hole, and threaded hole internal screw thread is connected with threaded rod, and threaded rod is located at threaded hole
Interior one end is connected with one end of connecting line, and the other end of connecting line is connect through heat exchanger plates and with sliding block.
Preferably, the lifter plate offers strip shape gob close to the side of diaphragm seal, and diaphragm seal is located in strip shape gob, and item
The sidewall thread of shape mouth is connected with fastening bolt, and one end that fastening bolt is located in strip shape gob offsets with diaphragm seal.
Preferably, one end that the threaded rod is located in threaded hole is rotatably connected to rotating block, and rotating block and connecting line
Connection.
Preferably, the fanning strip at least there are three, and be angularly distributed between multiple fanning strips.
Compared with prior art, the utility model has the beneficial effects that the utility model structure is simple, rotor drives heat exchange
Plate rotates, and exchanges heat, and when diaphragm seal passes through fanning strip, diaphragm seal and fanning strip are in close contact, and fills up heat exchanger plates and sector
Gap between plate, the hot gas for avoiding the occurrence of high pressure flow to the air of low pressure, reduce heat exchange efficiency, when diaphragm seal makes for a long time
With, it wears, when reducing leakproofness, rotation threaded rod, by connecting line band movable slider sliding, at this time between two connecting rods
Angle become larger, so that the spacing between two lifter plates increases, increase the tightness that diaphragm seal is contacted with fanning strip, raising is close
The utilization rate of mounting.
Detailed description of the invention
Fig. 1 be the utility model proposes structural schematic diagram；
Fig. 2 is the lateral inner structural schematic diagram of Fig. 1.
In figure: preheater 1, fanning strip 101, cylindrical outer cover 102, rotor 103, heat exchanger plates 104, sealing adjuster 2, screw thread
Bar 201, connecting line 202, fixed link 203, sliding block 204, diaphragm seal 205, lifter plate 206, spring 207, connecting rod 208.
Specific embodiment
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.
Referring to Fig.1-2, a kind of rotary regenerative air preheater apex combustion seal, including preheater 1, preheater 1 is by sector
Plate 101, cylindrical outer cover 102, rotor 103 and heat exchanger plates 104 form, and the inner ring of cylindrical outer cover 102 is equipped with rotor 103, rotor 103
Both ends rotate and be socketed with annular sleeve, the outer ring of annular sleeve is connect by fanning strip 101 with the inner wall of cylindrical outer cover 102, is changed
Hot plate 104 is connected to the side wall of rotor 103, and rotor 103 is located between two turning sets, and sealing is equipped in heat exchanger plates 104 and is adjusted
Save device 2, fanning strip 101 at least there are three, and be angularly distributed between multiple fanning strips 101, rotor 103 is driven by motor；
Sealing adjuster 2 includes the cunning mouth being provided in heat exchanger plates 104, and the inner wall of sliding mouth is connected with fixed link 203, fixed
Sliding block 204 and spring 207 are respectively sleeved on bar 203, and inner wall of the both ends of spring 207 respectively with sliding block 204 and sliding mouth connects
It connects, the upper and lower ends of sliding block 204 are hinged with one end of connecting rod 208, and the other end of connecting rod 208 is hinged with lifter plate 206
Side, the other side of lifter plate 206 is removably connected with diaphragm seal 205, and the inner wall of lifter plate 206 and sliding mouth is slidably connected,
Lifter plate 206 offers strip shape gob close to the side of diaphragm seal 205, and diaphragm seal 205 is located in strip shape gob, and the side wall of strip shape gob
It is threaded with fastening bolt, and fastening bolt is located at one end in strip shape gob and offsets with diaphragm seal 205；
One end of rotor 103 is equipped with threaded hole, and threaded hole internal screw thread is connected with threaded rod 201, and threaded rod 201 is located at spiral shell
One end in pit is connected with one end of connecting line 202, and the other end of connecting line 202 connects through heat exchanger plates 104 and with sliding block 204
It connects, one end that threaded rod 201 is located in threaded hole is rotatably connected to rotating block, and rotating block is connect with connecting line 202.
Working principle: rotor 103 drives heat exchanger plates 104 to rotate, and exchanges heat, when diaphragm seal 205 passes through fanning strip 101
When, diaphragm seal 205 and fanning strip 101 are in close contact, and are filled up the gap between heat exchanger plates 104 and fanning strip 101, are avoided the occurrence of height
The hot gas of pressure flows to the air of low pressure, reduces heat exchange efficiency, when the use of 205 long-time of diaphragm seal, wears, reduces leakproofness
When, threaded rod 201 is rotated, is slided by connecting line 202 with movable slider 204, the angle between two connecting rods 208 becomes at this time
Greatly, so that the spacing between two lifter plates 206 increases, increase the tightness that diaphragm seal 205 is contacted with fanning strip 101, improve
The utilization rate of diaphragm seal 205.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (4)
1. a kind of rotary regenerative air preheater apex combustion seal, including preheater (1), which is characterized in that the preheater (1)
Be made of fanning strip (101), cylindrical outer cover (102), rotor (103) and heat exchanger plates (104), the cylindrical outer cover (102) it is interior
Circle is equipped with rotor (103), and the both ends of rotor (103), which rotate, is socketed with annular sleeve, and the outer ring of annular sleeve passes through fanning strip (101)
It is connect with the inner wall of cylindrical outer cover (102), the heat exchanger plates (104) are connected to the side wall of rotor (103), and rotor (103) position
Between two turning sets, sealing adjuster (2) is equipped in the heat exchanger plates (104)；
Sealing adjuster (2) includes the cunning mouth being provided in heat exchanger plates (104), and the inner wall of sliding mouth is connected with fixed link
(203), be respectively sleeved on sliding block (204) and spring (207) in fixed link (203), and the both ends of spring (207) respectively with sliding block
(204) it is connected with the inner wall of sliding mouth, the upper and lower ends of the sliding block (204) are hinged with one end of connecting rod (208), connecting rod
(208) the other end is hinged with the side of lifter plate (206), and the other side of lifter plate (206) is removably connected with diaphragm seal
(205), the lifter plate (206) and the inner wall of sliding mouth are slidably connected；
One end of the rotor (103) is equipped with threaded hole, and threaded hole internal screw thread is connected with threaded rod (201), and threaded rod (201)
One end in threaded hole is connected with one end of connecting line (202), and the other end of connecting line (202) runs through heat exchanger plates (104)
And it is connect with sliding block (204).
2. a kind of rotary regenerative air preheater apex combustion seal according to claim 1, which is characterized in that the lifting
Plate (206) offers strip shape gob close to the side of diaphragm seal (205), and diaphragm seal (205) is located in strip shape gob, and the side of strip shape gob
Wall is threaded with fastening bolt, and fastening bolt is located at one end in strip shape gob and offsets with diaphragm seal (205).
3. a kind of rotary regenerative air preheater apex combustion seal according to claim 1, which is characterized in that the screw thread
One end that bar (201) is located in threaded hole is rotatably connected to rotating block, and rotating block is connect with connecting line (202).
4. a kind of rotary regenerative air preheater apex combustion seal according to claim 1, which is characterized in that the sector
Plate (101) at least there are three, and be angularly distributed between multiple fanning strips (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820754466.4U CN208536030U (en) | 2018-05-21 | 2018-05-21 | A kind of rotary regenerative air preheater apex combustion seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820754466.4U CN208536030U (en) | 2018-05-21 | 2018-05-21 | A kind of rotary regenerative air preheater apex combustion seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208536030U true CN208536030U (en) | 2019-02-22 |
Family
ID=65394344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820754466.4U Expired - Fee Related CN208536030U (en) | 2018-05-21 | 2018-05-21 | A kind of rotary regenerative air preheater apex combustion seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208536030U (en) |
-
2018
- 2018-05-21 CN CN201820754466.4U patent/CN208536030U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190222 |