CN208886823U - Rotary regenerative air preheater rotor heat accumulating element - Google Patents
Rotary regenerative air preheater rotor heat accumulating element Download PDFInfo
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- CN208886823U CN208886823U CN201821509454.1U CN201821509454U CN208886823U CN 208886823 U CN208886823 U CN 208886823U CN 201821509454 U CN201821509454 U CN 201821509454U CN 208886823 U CN208886823 U CN 208886823U
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- heat accumulating
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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
Rotary regenerative air preheater rotor heat accumulating element, belongs to rotary regenerative air preheater.It makes heat accumulating element be easy to purge and clean.The low-temperature heat accumulating component body and high-temperature heat accumulation component body are fixedly installed up and down, low-temperature heat accumulating component body is equipped with erosion resistant coating, low-temperature heat accumulating component body is identical as the template of high-temperature heat accumulation component body, successively cross parallel is arranged for the multiple positioning plate and multiple twisted plates, each positioning plate two sides twisted plate adjacent thereto is fixedly connected with, and the junction between each positioning plate and corresponding twisted plate is equipped with arc solid slab.The heat accumulating element of the utility model reduces an interlayer interface in arrangement and structure, flue gas medium is improved to a certain extent passes through the patency in channel between positioning plate and twisted plate, reduce dust in flue gas to adhere to inside heat accumulating element, is more advantageous to and achievees the effect that carry out heat accumulating element steam soot blowing and water cleaning.
Description
Technical field
The utility model belongs to rotary regenerative air preheater, more particularly to a kind of rotary regenerative air preheater rotor accumulation of heat
Element.
Background technique
Currently, rotary regenerative air preheater heat accumulating element is designed according to Yuan Zao producer in coal burning boiler of power station system,
Be divided into high temperature, in mild three layer arrangement mode of low temperature be mounted in each modulus storehouse lattice of preheater rotor.High temperature, medium temperature regenerator element
It is carbon steel material positioned at heat transfer medium hot end, low-temperature heat accumulating element is located at heat transfer medium cold end, generally corrosion resisting steel and enamel
Technique manufacture.For traditional air preheater heat accumulating element, when boiler use coal and design coal occur varying widely and
When hydrogen sulfate ammonia rotten (NH4HSO4) and other corrosion products are influenced after by current generally existing out of stock transformation, just
It can aggravate the blocking of heat accumulating element, the blocking of heat accumulating element is very big to the economy and safety effects of boiler operatiopn.For storing
The blockage problem of thermal element, operations staff is generally alleviated using the means of timing purging and high pressure water on-line cleaning at present,
But it is based on the intrinsic arrangement of heat accumulating element and element self structure factor, is asked using purging and cleaning means solution blocking
The actual effect of topic is mostly very limited.
Summary of the invention
To overcome above-mentioned rotary regenerative air preheater heat accumulating element blockage problem, the utility model provides a kind of rotary sky
Air preheater rotor heat accumulating element changes traditional heat accumulating element mounting arrangements mode and itself corrugated plate channel structure
Into the heat accumulating element after improving installation can reduce blocking, in system operation, heat accumulating element can be made to be easy to purge and clean.
Technical solution adopted in the utility model is: rotary regenerative air preheater rotor heat accumulating element, including rotor sheet
Body, the rotor body is interior to be equipped with low-temperature heat accumulating component body and high-temperature heat accumulation component body, the low-temperature heat accumulating component body
It is fixedly installed up and down with high-temperature heat accumulation component body, low-temperature heat accumulating component body is equipped with erosion resistant coating, low-temperature heat accumulating component body
Identical as the template of high-temperature heat accumulation component body, low-temperature heat accumulating component body includes multiple positioning plates, multiple twisted plates and multiple
Successively cross parallel is arranged for arc solid slab, the multiple positioning plate and multiple twisted plates, each positioning plate two sides adjacent thereto
Twisted plate is fixedly connected with, and the junction between each positioning plate and corresponding twisted plate is equipped with arc solid slab.
The utility model has the beneficial effects that:
1. the heat accumulating element of the utility model reduces an interlayer interface in arrangement and structure, to a certain extent
Flue gas medium is improved by the patency of channel (i.e. corrugated plate channel) between positioning plate and twisted plate, is reduced grey in flue gas
Dirt adheres to inside heat accumulating element, is more advantageous to and achievees the effect that carry out heat accumulating element steam soot blowing and water cleaning.
2. can further decrease after a pair corrosion-resistant cryosphere heat accumulating element ontology carries out thickening transformation due to low-temperature corrosion pair
The blocking of element caused by the damage of heat accumulating element and corrosion product.
3. the structure of the utility model reduces air preheater fume side (i.e. high-temperature heat accumulation component body side) and air
Side (i.e. low-temperature heat accumulating component body side) pressure difference, reduction and balance boiler draft resistance reduce blower station service power consumption.
4. the utility model improves the heat exchange efficiency of air preheater, first and second hot wind wind-warm syndrome is improved, reduces smoke evacuation temperature
Degree improves pulverized coal preparation system drying capacity and is conducive to coal dust full combustion in burner hearth, improves the overall boiler thermal efficiency.
Detailed description of the invention
Fig. 1: the utility model mounting structure schematic diagram；
Fig. 2: one structural schematic diagram of the utility model embodiment；
Fig. 3: two structural schematic diagram of the utility model embodiment；
Wherein: 1- rotor body；2- low-temperature heat accumulating component body；3- high-temperature heat accumulation component body；4- positioning plate；Under 4-1-
Semi arch plate；4-2- straight line fixed plate one；4-3- upper half arc plate；4-4- straight line fixed plate two；5- twisted plate；5-1- S type
Plate；5-2- straight line connecting plate；6- arc solid slab.
Specific embodiment
As shown in Fig. 1 ~ Fig. 3, rotary regenerative air preheater rotor heat accumulating element, including rotor body 1, the rotor body
Low-temperature heat accumulating component body 2 and high-temperature heat accumulation component body 3, the low-temperature heat accumulating component body 2 and high-temperature heat accumulation member are equipped in 1
About 3 part ontology is fixedly installed, and low-temperature heat accumulating component body 2 is equipped with erosion resistant coating, low-temperature heat accumulating component body 2 and high-temperature heat accumulation
The template of component body 3 is identical, and low-temperature heat accumulating component body 2 includes that multiple positioning plates 4, multiple twisted plates 5 and multiple arcs are real
Core 6, successively cross parallel is arranged the multiple positioning plate 4 with multiple twisted plates 5, each positioning plate 4 two lateral bending adjacent thereto
Bent plate 5 is fixedly connected with, and the junction between each positioning plate 4 and corresponding twisted plate 5 is equipped with arc solid slab 6.
The effect of arc solid slab 6 is to increase the heating surface area of heat accumulating element, improves heat transfer efficiency and avoids positioning plate 4 simultaneously
Angle dust stratification between twisted plate 5, convenient for cleaning.
Each twisted plate 5 includes multiple S template 5-1 and multiple straight line connecting plate 5-2, the multiple S template 5-1
Successively left and right directions cross-fixing connects between multiple straight line connecting plate 5-2, and multiple S template 5-1 are connected with corresponding straight line
The equal arc transition setting in junction between plate 5-2.
Two tips of each S template 5-1 are fixedly connected with corresponding one end straight line connecting plate 5-2, such as Fig. 2, Fig. 3 institute
Show.
Embodiment one, as shown in Fig. 2, each positioning plate 4 includes that multiple lower half arc plate 4-1 and multiple straight lines are solid
Successively left and right directions cross-fixing is arranged by fixed board one 4-2, the multiple lower half arc plate 4-1 and multiple one 4-2 of straight line fixed plate,
Multiple lower ends S template 5-1 of the twisted plate 5 and the multiple lower half arc plate 4-1 for the positioning plate 4 being located on the downside of it are corresponded
Matching setting, each upper end S template 5-1 are fixedly connected with the straight line connecting plate 5-2 of the positioning plate 1 of side disposed thereon, often
One angle 4-2 of straight line fixed plate of a S template 5-1 and the left and right sides is equipped with arc solid slab 6,
Embodiment two, as shown in figure 3, each positioning plate 4 includes that multiple upper half arc plate 4-3 and multiple straight lines are solid
Successively left and right directions cross-fixing is arranged by fixed board two 4-4, the multiple upper half arc plate 4-3 and multiple two 4-4 of straight line fixed plate,
Multiple upper half arc plate 4-3 of the positioning plate 4 of multiple upper ends S template 5-1 and side disposed thereon of the twisted plate 5 are corresponded
Matching setting, each lower end S template 5-1 are fixedly connected with the straight line connecting plate 5-2 for the positioning plate 1 being located on the downside of it, often
Two angle 4-4 of straight line fixed plate of a S template 5-1 and the left and right sides is equipped with arc solid slab 6.
Effect using 2 two kinds of heat accumulating element templates of embodiment one and embodiment is: comparing the plate with traditional heat accumulating element
Type increases heating surface area while not influencing to clean effect.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (4)
1. a kind of rotary regenerative air preheater rotor heat accumulating element, it is characterised in that: including rotor body (1), the rotor sheet
Be equipped with low-temperature heat accumulating component body (2) and high-temperature heat accumulation component body (3) in body (1), the low-temperature heat accumulating component body (2) and
High-temperature heat accumulation component body (3) is fixedly installed up and down, and low-temperature heat accumulating component body (2) is equipped with erosion resistant coating, low-temperature heat accumulating element
Ontology (2) is identical as the template of high-temperature heat accumulation component body (3), low-temperature heat accumulating component body (2) include multiple positioning plates (4),
Multiple twisted plates (5) and multiple arcs solid slab (6), the multiple positioning plate (4) and multiple twisted plates (5) successively cross parallel
Setting, each positioning plate (4) two sides twisted plate (5) adjacent thereto is fixedly connected with, and each positioning plate (4) and corresponding twisted plate
(5) junction between is equipped with arc solid slab (6).
2. rotary regenerative air preheater rotor heat accumulating element according to claim 1, it is characterised in that: each bending
Plate (5) includes multiple S templates (5-1) and multiple straight line connecting plates (5-2), and the multiple S template (5-1) and multiple straight lines connect
Successively cross-fixing connects between fishplate bar (5-2), the connection between multiple S templates (5-1) and corresponding straight line connecting plate (5-2)
Locate equal arc transition setting.
3. rotary regenerative air preheater rotor heat accumulating element according to claim 1 or 2, it is characterised in that: each described
Positioning plate (4) includes multiple lower half arc plates (4-1) and multiple straight line fixed plates one (4-2), the multiple lower half arc plate
Successively cross-fixing is arranged for (4-1) and multiple straight line fixed plates one (4-2), under multiple S templates (5-1) of the twisted plate (5)
It holds to correspond with the multiple lower half arc plates (4-1) for the positioning plate (4) being located on the downside of it and matches setting, each S template
Angle straight line fixed plate one (4-2) of (5-1) and the left and right sides is equipped with arc solid slab (6).
4. rotary regenerative air preheater rotor heat accumulating element according to claim 1 or 2, it is characterised in that: each described
Positioning plate (4) includes multiple upper half arc plates (4-3) and multiple straight line fixed plates two (4-4), the multiple upper half arc plate
Successively cross-fixing is arranged for (4-3) and multiple straight line fixed plates two (4-4), on multiple S templates (5-1) of the twisted plate (5)
It holds to correspond with multiple upper half arc plates (4-3) of the positioning plate (4) of side disposed thereon and matches setting, each S template
Angle straight line fixed plate two (4-4) of (5-1) and the left and right sides is equipped with arc solid slab (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821509454.1U CN208886823U (en) | 2018-09-16 | 2018-09-16 | Rotary regenerative air preheater rotor heat accumulating element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821509454.1U CN208886823U (en) | 2018-09-16 | 2018-09-16 | Rotary regenerative air preheater rotor heat accumulating element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208886823U true CN208886823U (en) | 2019-05-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821509454.1U Active CN208886823U (en) | 2018-09-16 | 2018-09-16 | Rotary regenerative air preheater rotor heat accumulating element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208886823U (en) |
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2018
- 2018-09-16 CN CN201821509454.1U patent/CN208886823U/en active Active
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