CN208871662U - A kind of air preheater of combined type high-temperature corrosion resistance - Google Patents
A kind of air preheater of combined type high-temperature corrosion resistance Download PDFInfo
- Publication number
- CN208871662U CN208871662U CN201821263786.6U CN201821263786U CN208871662U CN 208871662 U CN208871662 U CN 208871662U CN 201821263786 U CN201821263786 U CN 201821263786U CN 208871662 U CN208871662 U CN 208871662U
- Authority
- CN
- China
- Prior art keywords
- vent box
- cooling bay
- corrosion resistance
- combined type
- type high
- 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
- 238000005260 corrosion Methods 0.000 title claims abstract description 21
- 230000007797 corrosion Effects 0.000 title claims abstract description 21
- 238000001816 cooling Methods 0.000 claims abstract description 30
- 239000003546 flue gas Substances 0.000 claims abstract description 26
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 25
- 238000005192 partition Methods 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000000779 smoke Substances 0.000 claims abstract description 7
- 229920000297 Rayon Polymers 0.000 claims abstract description 4
- 239000002253 acid Substances 0.000 claims description 11
- 239000011521 glass Substances 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 8
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 239000004570 mortar (masonry) Substances 0.000 claims description 5
- 238000009423 ventilation Methods 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000002918 waste heat Substances 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000012546 transfer 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)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a kind of air preheaters of combined type high-temperature corrosion resistance, including cooling bay, vent box and partition, the upper end of vent box is arranged in the cooling bay, partition is provided between the cooling bay and vent box, multiple conducting tubes are equipped on the partition, the conducting tube upper half is arranged inside cooling bay, the conducting tube lower half is arranged inside vent box, conducting tube lower semisection periphery is bonded with multiple groups thermally conductive sheet by thermally conductive viscose, the upper half offers water inlet pipe on the left of the cooling bay, lower half offers outlet pipe on the right side of the cooling bay, control valve is installed on the water inlet pipe and outlet pipe, smoke inlet pipe is offered on the left of the vent box, the vent box right side opening is equipped with flue gas escape pipe, the vent box lower end is set as funnel-form.The air preheater of the combined type high-temperature corrosion resistance can not only cool down to flue gas, but also recycle to the waste heat of generation.
Description
Technical field
The utility model belongs to Air Preheater Technology field, and in particular to a kind of air of combined type high-temperature corrosion resistance is pre-
Hot device.
Background technique
Air preheater be it is a kind of exchanged heat using high-temperature flue gas and cold air, decline temperature after flue gas heat release, send
Enter smoke stack emission；Temperature increases after so that air is absorbed heat, is sent into the equipment that combustion system participates in burning.It is widely used in stone
Change the recycling field of industry waste heat of flue gas of heating furnace.But as oil refining industry raw material oil nature increasingly becomes weight, sulfur content of raw material
Be increasing, as petrochemical industry waste heat of flue gas of heating furnace recycling emphasis equipment air preheater operational effect it is excellent
It is bad to be increasingly taken seriously.During the production run of heating furnace, the flue gas circulation passage of air preheater often because
The accumulation of flue gas black dirt and the problem of block.Flue gas ash deposit and slag buildup usually with the type of fuel, aptitude to burn, stove
The factors such as thermic load, the speed of air-flow, the structure of heating surface arrangement are related.Once the heating surface dust stratification of air preheater,
The heat-transfer effect of heating surface will be severely impacted.
Therefore it is directed to this status, there is an urgent need to design and produce a kind of air preheater of combined type high-temperature corrosion resistance,
To meet the needs of actual use.
Utility model content
The purpose of this utility model is to provide a kind of air preheaters of combined type high-temperature corrosion resistance, to solve above-mentioned back
The problem of being proposed in scape technology.
To achieve the above object, the utility model provides the following technical solutions: a kind of air of combined type high-temperature corrosion resistance
The upper end of vent box, the cooling bay and ventilation is arranged in preheater, including cooling bay, vent box and partition, the cooling bay
It is provided with partition between case, multiple conducting tubes are equipped on the partition, the conducting tube upper half is arranged inside cooling bay,
The conducting tube lower half is arranged inside vent box, and conducting tube lower semisection periphery is bonded with multiple groups by thermally conductive viscose and leads
Backing, the upper half offers water inlet pipe on the left of the cooling bay, and lower half offers outlet pipe on the right side of the cooling bay, it is described into
Control valve is installed on water pipe and outlet pipe, offers smoke inlet pipe, the vent box right side opening on the left of the vent box
Equipped with flue gas escape pipe, the vent box lower end is set as funnel-form, and the vent box lower end offers acid solution effuser.
Preferably, two layers of transparency glass plate is offered before and after the vent box front end, between two layers of transparency glass plate
It is set as vacuum chamber.
Preferably, heat pipe sealing ring is installed between the conducting tube periphery and partition, is installed on the heat pipe sealing ring
There is acidproof washer.
Preferably, organic solution is contained in the conducting tube.
Preferably, the ventilation chamber interior wall and thermally conductive sheet periphery are coated with acid resistant adhesive mortar layer.
Preferably, the conducting tube material is set as ceramics.
The technical effect and advantage of the utility model: the air preheater of the combined type high-temperature corrosion resistance, flue gas is from flue gas
Air inlet pipe enters vent box, then goes out from flue gas escape pipe, by the energy conduction of thermally conductive sheet and conducting tube, so that flue gas
Temperature decline, some flue gases can liquefy and fall, and vent box lower end is set as funnel-form, so that the solution fallen is convenient for collecting, so
It is flowed out afterwards from acid solution effuser, ventilation chamber interior wall and thermally conductive sheet periphery are coated with acid resistant adhesive mortar layer, so that device has centainly
Corrosion resistance, after the solution heat absorption in conducting tube, the high solution density of temperature becomes smaller and can rise, and carries out temperature with cooling bay
Conduction, declines after cooling, so that the temperature of the aqueous in cooling bay rises, convenient for being used for him, the combined type high-temperature corrosion resistance
Air preheater, can not only cool down to flue gas, but also the waste heat of generation is recycled.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the utility model；
Fig. 2 is the main view of the utility model.
In figure: 1 cooling bay, 2 vent boxs, 3 partitions, 4 conducting tubes, 5 thermally conductive sheets, 6 water inlet pipes, 7 outlet pipes, 8 control valves,
9 smoke inlet pipes, 10 flue gas escape pipes, 11 acid solution effusers, 12 heat pipe sealing rings, 13 acidproof washers, 14 transparency glass plates.
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.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of air preheater of combined type high-temperature corrosion resistance as shown in Figs. 1-2, including cold
But pond 1, vent box 2 and partition 3, the upper end of vent box 2 is arranged in the cooling bay 1, between the cooling bay 1 and vent box 2
It is provided with partition 3, multiple conducting tubes 4 are equipped on the partition 3,4 upper half of conducting tube is arranged inside cooling bay 1,
4 lower half of conducting tube is arranged inside vent box 2, and the 4 lower semisection periphery of conducting tube is bonded with more by thermally conductive viscose
Group thermally conductive sheet 5, the 1 left side upper half of cooling bay offer water inlet pipe 6, and the 1 right side lower half of cooling bay offers water outlet
Pipe 7 is equipped with control valve 8 on the water inlet pipe 6 and outlet pipe 7, smoke inlet pipe 9, institute is offered on the left of the vent box 2
2 right side opening of vent box is stated equipped with flue gas escape pipe 10,2 lower end of vent box is set as funnel-form, and 2 lower end of vent box is opened
Equipped with acid solution effuser 11.
Specifically, two layers of transparency glass plate 14 is offered before and after 2 front end of vent box, so that the situation in snorkel is just
It is set as vacuum chamber between real-time observation, two layers of transparency glass plate 14, reduces scattering and disappearing for energy.
Specifically, being equipped with heat pipe sealing ring 12, the heat pipe sealing ring 12 between 4 periphery of conducting tube and partition 3
On acidproof washer 13 is installed, reduce the leakage of flue gas to external influence.
Specifically, being contained with organic solution in the conducting tube 4, the damage of conducting tube 4 is reduced to external influence.
Specifically, 2 inner wall of vent box and 5 periphery of thermally conductive sheet are coated with acid resistant adhesive mortar layer, acidic flue gas pair is reduced
A possibility that corrosion of vent box 2 and thermally conductive sheet 5.
Specifically, 4 material of conducting tube is set as ceramics, so that conducting tube 14 has certain low temperature resistant and anticorrosion
Performance.
Specifically, the air preheater of the combined type high-temperature corrosion resistance, flue gas enters vent box 2 from smoke inlet pipe 9, so
It goes out afterwards from flue gas escape pipe 10, by the energy conduction of thermally conductive sheet 5 and conducting tube 4, so that the temperature of flue gas declines, Yi Xieyan
Gas can liquefy and fall, and 2 lower end of vent box is set as funnel-form, so that the solution fallen is convenient for collecting, then from acid solution effuser
11 flow out, and after the solution heat absorption in conducting tube 4, the high solution density of temperature becomes smaller and can rise, and carry out temperature biography with cooling bay 1
It leads, organic solution declines after cooling, and circulation carries out the conduction of energy, and the energy of conduction makes the temperature of the aqueous in cooling bay 1
Rise, convenient for using for him, so that the availability of the energy greatly improves, 2 inner wall of vent box and 5 periphery of thermally conductive sheet are coated with
A possibility that having acid resistant adhesive mortar layer, reducing corrosion of the acidic flue gas to vent box 2 and thermally conductive sheet 5, while before and after 2 front end of vent box
Two layers of transparency glass plate 14 is offered, so that the situation in vent box 2 convenient for observing in real time, is set between two layers of transparency glass plate 14
It is set to vacuum chamber, scattering and disappearing for energy is reduced, heat pipe sealing ring 12 is installed, the heat pipe is close between 4 periphery of conducting tube and partition 3
Acidproof washer 13 is installed in seal ring 12, reduces the leakage of flue gas to external influence.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of air preheater of combined type high-temperature corrosion resistance, including cooling bay (1), vent box (2) and partition (3), special
Sign is: cooling bay (1) setting is provided between the upper end of vent box (2), the cooling bay (1) and vent box (2)
Partition (3) is equipped with multiple conducting tubes (4) on the partition (3), and conducting tube (4) upper half setting is in cooling bay (1)
Portion, conducting tube (4) the lower half setting is internal in vent box (2), and conducting tube (4) the lower semisection periphery passes through thermally conductive viscose
It is bonded with multiple groups thermally conductive sheet (5), the upper half offers water inlet pipe (6) on the left of the cooling bay (1), on the right side of the cooling bay (1)
Lower half offers outlet pipe (7), is equipped with control valve (8), the vent box on the water inlet pipe (6) and outlet pipe (7)
(2) left side offers smoke inlet pipe (9), and vent box (2) right side opening is equipped with flue gas escape pipe (10), the vent box
(2) lower end is set as funnel-form, and vent box (2) lower end offers acid solution effuser (11).
2. a kind of air preheater of combined type high-temperature corrosion resistance according to claim 1, it is characterised in that: the ventilation
It is offered two layers of transparency glass plate (14) before and after case (2) front end, is set as vacuum chamber between two layers of transparency glass plate (14).
3. a kind of air preheater of combined type high-temperature corrosion resistance according to claim 1, it is characterised in that: the conduction
It is equipped with heat pipe sealing ring (12) between pipe (4) periphery and partition (3), acidproof washer is installed on the heat pipe sealing ring (12)
(13)。
4. a kind of air preheater of combined type high-temperature corrosion resistance according to claim 1, it is characterised in that: the conduction
Organic solution is contained in pipe (4).
5. a kind of air preheater of combined type high-temperature corrosion resistance according to claim 1, it is characterised in that: the ventilation
Case (2) inner wall and thermally conductive sheet (5) periphery are coated with acid resistant adhesive mortar layer.
6. a kind of air preheater of combined type high-temperature corrosion resistance according to claim 1, it is characterised in that: the conduction
Pipe (4) material is set as ceramics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821263786.6U CN208871662U (en) | 2018-08-07 | 2018-08-07 | A kind of air preheater of combined type high-temperature corrosion resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821263786.6U CN208871662U (en) | 2018-08-07 | 2018-08-07 | A kind of air preheater of combined type high-temperature corrosion resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208871662U true CN208871662U (en) | 2019-05-17 |
Family
ID=66464137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821263786.6U Expired - Fee Related CN208871662U (en) | 2018-08-07 | 2018-08-07 | A kind of air preheater of combined type high-temperature corrosion resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208871662U (en) |
-
2018
- 2018-08-07 CN CN201821263786.6U patent/CN208871662U/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: 20190517 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |