CN208260533U - Wet desulfuration tower inlet device - Google Patents
Wet desulfuration tower inlet device Download PDFInfo
- Publication number
- CN208260533U CN208260533U CN201820575629.2U CN201820575629U CN208260533U CN 208260533 U CN208260533 U CN 208260533U CN 201820575629 U CN201820575629 U CN 201820575629U CN 208260533 U CN208260533 U CN 208260533U
- Authority
- CN
- China
- Prior art keywords
- plate
- tower
- inlet device
- tower body
- wet desulfuration
- 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
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 32
- 239000002002 slurry Substances 0.000 claims abstract description 19
- 238000007789 sealing Methods 0.000 claims description 7
- 235000019504 cigarettes Nutrition 0.000 claims description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 22
- 239000003546 flue gas Substances 0.000 abstract description 22
- 239000007789 gas Substances 0.000 abstract description 17
- 239000000779 smoke Substances 0.000 abstract description 16
- 239000007921 spray Substances 0.000 abstract description 14
- 239000000463 material Substances 0.000 abstract description 4
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 4
- 239000003245 coal Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 3
- 229910000851 Alloy steel Inorganic materials 0.000 description 2
- 230000023556 desulfurization Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000009628 steelmaking Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000000809 air pollutant Substances 0.000 description 1
- 231100001243 air pollutant Toxicity 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model discloses wet desulfuration tower inlet devices, including the gas approach being fixed on tower body, the level height of the air inlet of the gas approach is higher than the level height of gas outlet, it is additionally provided with the eaves board tilted down on the inside of the tower body of the top of gas approach, is equipped with the thin stock tank for catching slurries above eaves board.The utility model has the advantages that: the utility model provides wet desulphurization spray column smoke inlet device, by the way that the gas approach and eaves board that tilt down is arranged, prevent the slurries of desulfuration spray tower landing from forming " cascade " phenomenon in smoke inlet, it is effectively improved the running environment of desulfuration spray tower smoke inlet, extend the service life of material, the uniformly distributed property of flue gas flow field is improved, flue gas resistance is reduced, improves the safe operation reliability of system.
Description
Technical field
The utility model relates to wet desulfuration tower inlet devices.
Background technique
Major part power source in China's generates electricity in coal unit at present, as the environmental problems such as haze are increasingly prominent in recent years
Out, China requires coal unit pollutant emission increasingly strict.National Environmental Protection Agency has issued file, it is desirable that eastern region is new
The Air Pollutant Emission concentration for building coal unit basically reaches coal-fired turbine emission limit, and wherein SO2 concentration of emission requires not
Greater than 35mg/Nm3.Existing most of coal units are removed in flue gas using wet desulfurization of flue gas by limestone-gypsum method device
Sulfur dioxide, smoke inlet are the important composed structures of desulfuration spray tower.Spray above smoke inlet, close to tower wall region
Slurries are ejected on desulfuration spray tower inner wall by drenching layer nozzle, and slurries can be flowed downwardly to along tower wall at the top of smoke inlet, in cigarette
Gas entrance forms " cascade " phenomenon.When high temperature original flue gas enter desulfuration spray tower smoke inlet after, high temperature original flue gas can first with
Slurry liquid contacts in " cascade " form dry and wet interface zone.
On the one hand, " cascade " fallen at the top of smoke inlet will increase flue gas resistance, while can interfere entrance area flue gas
Flow field, influence desulfurization and the dust removal performance of desulfuration spray tower.
On the other hand, the presence of " cascade " can be such that the risk of smoke inlet accumulated solids object greatly increases.Accumulated solids object
The tower body that entrance area can not only be corroded also will increase flue gas resistance, also will affect the uniformly distributed property of entrance area flue gas.
Utility model content
The purpose of this utility model is to provide wet desulfuration tower inlet devices, can be effectively reduced the accumulation of tower flue gas entrance
The risk of solids improves the uniformly distributed property of flue gas flow field, reduces flue gas resistance.
In order to solve the above-mentioned technical problem, the utility model is achieved through the following technical solutions: wet desulfuration tower enters
Mouth device, including the gas approach being fixed on tower body, the level height of the air inlet of the gas approach is higher than gas outlet
Level height, the tower body inside of the top of gas approach are additionally provided with the eaves board tilted down, are equipped with above eaves board by slurries
The thin stock tank caught.
Preferably, the gas approach includes flue top plate, and the flue top plate and tower body are fixed by horizontal connecting plate.
Preferably, the thin stock tank includes trough floor and slot side plate, and the outer side edges of the trough floor are fixed on the inside of tower body
On wall, slot side plate is fixed on the inner side edge of trough floor；Slurries effectively can be intercepted into water conservancy diversion.
Preferably, at least one pull rod is additionally provided between slot side plate and tower body inner sidewall；The intensity of strengthening groove side plate, prevents
It is squeezed and deformed by slurries.
Preferably, at least one piece of support plate is additionally provided between the bottom surface of the trough floor and tower body inner sidewall；Strengthening groove bottom
The intensity of plate, prevents trough floor from collapsing.
Preferably, the support plate and pull rod press equidistantly distributed；Convenient for dredging stock tank uniform force.
Preferably, oblique sealing plate is equipped between the bottom surface of trough floor and tower body inner sidewall；Support plate is closed, to support plate into
Row protection, prevents from directly contacting flue gas or slurries is corroded.
Preferably, the second stiffening plate and third stiffening plate are fixed in the tower body inner wall, the pull rod is fixed on second
In stiffening plate, the trough floor, support plate and oblique sealing plate are each attached in third stiffening plate；Reinforce the intensity of tower body inner wall, energy
Enough long term supports live to dredge the weight of stock tank.
Preferably, the thin stock tank is projected as " people " font in tower body inner wall, and the both sides and intermediate point for dredging stock tank connect
The angle of line is 3~20 degree；Slurries above smoke inlet on the inside of tower wall are collected into heel row to smoke inlet two sides, into one
Step prevents cascade.
Preferably, the top of the slot side plate is farther relative to the distance from bottom tower body of slot side plate, the slot side plate and slot
Angle between bottom plate is 45~87 degree.Inclined slot side plate can stop more slurries, expand dredge stock tank interception slurries as far as possible
Area, angle crosses the excessively straight extension for influencing whether flue gas of sulculus side plate, and angle oversized slots side plate area coverage is too small.
Compared with prior art, the utility model has the advantages that: the present invention provide wet desulphurization spray column smoke inlet dress
It sets, by the way that the gas approach and eaves board that tilt down is arranged, prevents the slurries of desulfuration spray tower landing from being formed in smoke inlet
" cascade " phenomenon, is effectively improved the running environment of desulfuration spray tower smoke inlet, extends the service life of material, improves flue gas stream
The uniformly distributed property of field reduces flue gas resistance, improves the safe operation reliability of system.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model wet desulfuration tower inlet device；
Fig. 2 is the structural schematic diagram that stock tank is dredged in the utility model wet desulfuration tower inlet device.
Specific embodiment
It is refering to fig. 1 the embodiment of the utility model wet desulfuration tower inlet device, wet desulfuration tower inlet device, including
The gas approach being fixed on tower body 3, the level height of the air inlet of gas approach are higher than the level height of gas outlet, entrance cigarette
Road tilt angle is 15~30 °, and gas approach includes flue top plate 1 and flue bottom plate 2, and flue top plate and tower body 3 pass through level
Connecting plate 5 is fixed, and flue bottom plate 2 protrudes into 10~50mm of length in tower, is additionally provided on the inside of the tower body 3 of the top of gas approach downwards
Inclined eaves board 4, the angle that eaves board 4 tilts down are 50~70 °.
As shown in Figure 1 and Figure 2, it is further fixed on thin stock tank on 3 inner sidewall of tower body of 4 top of eaves board, thin stock tank includes slot bottom
Plate 6, slot side plate 7, pull rod 8, oblique sealing plate 9, support plate 10, the second stiffening plate 11 and third stiffening plate 12,11 He of the second stiffening plate
Third stiffening plate 12 is each attached on 3 inner sidewall of tower body, and the second stiffening plate 11 is located at the top of third stiffening plate 12, trough floor
6 outer side edges are fixed in the second stiffening plate 11, and slot side plate 7 is fixed on the inner side edge of trough floor 6, and slot side plate 7 and second adds
It is fixed between strong plate 11 and is spaced equidistant pull rod 8；It is equipped between the bottom surface and third stiffening plate 12 of trough floor 6 and is equally spaced
Support plate 10 is additionally provided with oblique sealing plate 9 between 3 inner sidewall of bottom surface and tower body of trough floor 6, and oblique sealing plate 9, trough floor 6 and third add
Strong plate 12 is encircled a city annular, and support plate 10 is located in annular.
Entirely thin stock tank is at " people " font, and intermediate high, both ends are low, and dredging stock tank both ends and tilting down angle is 3~20 °, dredges
Stock tank width is 100~500mm, and the vertical range of 100~500mm of depth, trough floor 6 to lowermost layer spraying layer center line are
The vertical range of 500mm~1500mm, 6 minimum point of trough floor and flue flue top plate is 100~500mm, 6 minimum point of trough floor
Horizontal distance with flue side plate is 300~1500mm, and the distance on the inside of 4 minimum point to tower wall of eaves board is than dredging slurry skewed slot
Small 30~the 100mm of width, eaves board 4 use alloy steel making, and remaining part is all made of carbon steel material, with flue gas or slurry liquid contacts
Face sprayed glass scale, trough floor 6, slot side plate 7 and pull rod 8 can also use alloy steel making.
It is also possible that the top of the slot side plate is farther relative to the distance from bottom tower body of slot side plate, the slot side plate and slot
Angle α between bottom plate is 45~87 degree, for example, 45 degree, 50 degree, 55 degree, 60 degree, 65 degree, 70 degree, 75 degree, 80 degree, 85 degree or
87 degree.Inclined slot side plate can stop more slurries, expand dredge the area that stock tank intercepts slurries as far as possible, and angle crosses sulculus side plate
The excessively straight extension for influencing whether flue gas, angle oversized slots side plate area coverage are too small.
The present invention provides wet desulphurization spray column smoke inlet device, prevents the slurries of desulfuration spray tower landing from entering in flue gas
Mouth forms " cascade " phenomenon, is effectively improved the running environment of desulfuration spray tower smoke inlet, extends the service life of material, improves
The uniformly distributed property of flue gas flow field reduces flue gas resistance, improves the safe operation reliability of system.
The foregoing is merely specific embodiment of the utility model, but the technical characteristics of the utility model is not limited to
This, in the field of the utility model, made changes or modifications all cover practical new at this any those skilled in the art
Among the scope of the patents of type.
Claims (10)
1. wet desulfuration tower inlet device, including the gas approach being fixed on tower body (3), it is characterised in that: the entrance cigarette
The level height of the air inlet in road is higher than the level height of gas outlet, be additionally provided on the inside of the tower body (3) of the top of gas approach to
Under inclined eaves board (4), the thin stock tank for catching slurries is equipped with above eaves board (4).
2. wet desulfuration tower inlet device as described in claim 1, it is characterised in that: the gas approach includes flue top plate
(1), the flue top plate and tower body (3) are fixed by horizontal connecting plate (5).
3. wet desulfuration tower inlet device as described in claim 1, it is characterised in that: the thin stock tank includes trough floor (6)
With slot side plate (7), the outer side edges of the trough floor (6) are fixed on tower body (3) inner sidewall, and slot side plate (7) is fixed on trough floor
(6) on inner side edge.
4. wet desulfuration tower inlet device as claimed in claim 3, it is characterised in that: slot side plate (7) and tower body (3) inner sidewall
Between be additionally provided at least one pull rod (8).
5. wet desulfuration tower inlet device as claimed in claim 4, it is characterised in that: the bottom surface of the trough floor (6) and tower
At least one piece of support plate (10) is additionally provided between body (3) inner sidewall.
6. wet desulfuration tower inlet device as claimed in claim 5, it is characterised in that: the support plate (10) and pull rod (8)
Press equidistantly distributed.
7. wet desulfuration tower inlet device as claimed in claim 5, it is characterised in that: the bottom surface and tower body (3) of trough floor (6)
Oblique sealing plate (9) are equipped between inner sidewall.
8. wet desulfuration tower inlet device as claimed in claim 7, it is characterised in that: be fixed on tower body (3) inner wall
Second stiffening plate (11) and third stiffening plate (12), the pull rod (8) are fixed on the second stiffening plate (11), the trough floor
(6), support plate (10) and oblique sealing plate (9) are each attached on third stiffening plate (12).
9. wet desulfuration tower inlet device as claimed in claim 3, it is characterised in that: the thin stock tank is in tower body (3) inner wall
On be projected as " people " font, dredge stock tank both sides and intermediate point line angle be 3~20 degree.
10. wet desulfuration tower inlet device as claimed in claim 3, it is characterised in that: the top of the slot side plate relative to
The distance from bottom tower body of slot side plate is farther, and the angle between the slot side plate and trough floor is 45~87 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820575629.2U CN208260533U (en) | 2018-04-20 | 2018-04-20 | Wet desulfuration tower inlet device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820575629.2U CN208260533U (en) | 2018-04-20 | 2018-04-20 | Wet desulfuration tower inlet device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208260533U true CN208260533U (en) | 2018-12-21 |
Family
ID=64680513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820575629.2U Expired - Fee Related CN208260533U (en) | 2018-04-20 | 2018-04-20 | Wet desulfuration tower inlet device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208260533U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114180343A (en) * | 2021-10-29 | 2022-03-15 | 淮北矿业股份有限公司 | Method for improving ash conveying system |
-
2018
- 2018-04-20 CN CN201820575629.2U patent/CN208260533U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114180343A (en) * | 2021-10-29 | 2022-03-15 | 淮北矿业股份有限公司 | Method for improving ash conveying system |
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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: 20181221 |