CN203253352U - Absorption device for desulfurization and dust removal - Google Patents
Absorption device for desulfurization and dust removal Download PDFInfo
- Publication number
- CN203253352U CN203253352U CN 201320285277 CN201320285277U CN203253352U CN 203253352 U CN203253352 U CN 203253352U CN 201320285277 CN201320285277 CN 201320285277 CN 201320285277 U CN201320285277 U CN 201320285277U CN 203253352 U CN203253352 U CN 203253352U
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- Prior art keywords
- absorption
- desulfurization
- absorption tower
- dedusting
- tower body
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Abstract
The utility model discloses an absorption device for desulfurization and dust removal and relates to a treatment device for absorbing SO2 and dust in smoke including boiler tail gas, volatilizing kiln tail gas and the like. The absorption device is formed by an absorption tower body, a waste gas inlet arranged at the lower part of the absorption tower body, a waste gas outlet arranged at the top of the absorption tower body, a liquid discharging opening arranged at the bottom of the absorption tower body, an absorption mass transferring part, a liquid distribution device and a dehydration device, wherein the absorption mass transferring part, the liquid distribution device and the dehydration device are sequentially mounted in the absorption tower body from bottom to top; and the liquid distribution device is provided with a nozzle which sprays downwards. According to the absorption device disclosed by the utility model, the structure of an existing desulfurization and dust removal device is changed and a higher desulfurization and dust removal efficiency is realized under a lower liquid-gas ratio condition, so that operation cost of a system is reduced.
Description
Technical field
The utility model relates to a kind of to SO in the flue gases such as boiler exhaust gas, Rotary Kiln tail gas
2And the treating apparatus of dust absorbing.
Background technology
The pollutant SO that the equipment such as coal-burning boiler, Rotary Kiln and sintering machine produce when fuel combustion
2And dust etc., surrounding environment there is considerable influence, particularly dust is larger to the PM2.5 contribution in city.For the SO in the flue gas
2Processing method has desulfurization and the rear desulfurization (flue gas desulfurization) of burning in the front desulfurization of burning, the burning, and the domestic and international flue gas desulfurization that adopts more than 80% is to SO
2Processing, is the form of hollow-spraying-tower and the absorption equipment of this mode adopts, because this mode gas phase is continuous phase, liquid phase is decentralized photo, therefore needs higher liquid-gas ratio just can reach certain desulfuration efficiency, and the liquid-gas ratio of generally taking is 12-20L/m
3, so its pump class power consumption is larger, causes its desulfurization dust-removal system operating cost higher.
For above problem, more attention is the combination of sprinkler part and mass transfer parts at present, and its application is also increasingly extensive, and mass transfer parts resistance performance wherein, mass transfer effect and anti-clogging fouling performance are key indexs.U.S. B﹠amp; The pallet technology of W company is the combination of a kind of typical sprinkler part and mass transfer parts, effectively reduced liquid-gas ratio, improved desulfuration efficiency, but this pallet technology takes is the mass transfer parts that are similar to sieve plate, this parts resistance is relatively large, pump class Energy Intensity Reduction, but the energy consumption of blower fan has increased, because its perforate is less, and the words of long operational time, be prone to the fouling clogging, and be difficult to cleaning.
The utility model content
The purpose of this utility model is: propose a kind of absorption plant of desulfurization and dedusting, change existing desulfation dust-extraction device structure, under low liquid-gas ratio condition, realize higher desulfurization dust-removing efficiency, reduce systematic running cost and use.
The purpose of this utility model realizes by following technical proposals:
A kind of absorption plant for desulfurization and dedusting, by the absorption tower body, be located at the exhaust gas inlet of body bottom, described absorption tower, be located at the waste gas outlet of described absorption tower bodies top, be located at the leakage fluid dram of body bottom, described absorption tower, and from bottom to top being installed in successively described absorption tower intrinsic absorption mass transfer parts, liquid distributor and dewater unit are equipped with the nozzle of downward spray on the described liquid distributor.
As optimal way, described absorption mass transfer parts are fan wheel structure, by urceolus, inner core, and are connected and fixed on some equally distributed equidirectional between described urceolus and inner core and form with the angle stacked blade that tilts.
As optimal way, described exhaust gas inlet is downward-sloping, and the angle between the body of absorption tower is 70-80 °.
As optimal way, described exhaust gas inlet is wide flat type entrance.
As optimal way, described absorption tower body adopts steel construction glass flake anticorrosion or steel construction liner rubber or fiberglass.
As optimal way, described absorption mass transfer parts arrange one deck or multilayer.The number of plies requires to design according to desulfuration efficiency and resistance.
As optimal way, described liquid distributor is made by fiberglass or stainless steel.The number of plies can require to design according to desulfuration efficiency and resistance, can consider to arrange one deck or multilayer.
As optimal way, absorb the mass transfer parts and adopt 316L stainless steel or alloy material to make.
As optimal way, described dewater unit adopts the baffle plate type dewater unit.Two-layer dehydration, dehydrating effect is good, adopts the PP material.
Workflow of the present utility model: the exhaust gas inlet of body bottom, absorption tower links to each other with boiler exhaust gas, Rotary Kiln tail gas or sintering machine tail gas, leakage fluid dram is connected with circulatory pool, tail gas absorbs mass transfer parts and liquid distributor successively in the body of absorption tower, dewater by dewater unit again, tail gas that can qualified discharge after the dehydration discharges by waste gas outlet, and waste gas outlet is connected with chimney.
The beneficial effects of the utility model:
(1) this device desulfuration efficiency can reach more than 98%;
(2) resistance is little, and the energy consumptions such as pump and blower fan are little, and operating cost is low;
(3) percent opening of absorption mass transfer parts is higher, can not produce fouling and clogging;
(4) dehydrating effect is good;
(5) this apparatus structure is simple, small investment.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the structural representation of the absorption mass transfer parts of the utility model embodiment;
Among the figure, 1 is exhaust gas inlet, and 2 for absorbing the mass transfer parts, and 3 is the absorption tower body, and 4 is liquid distributor, and 5 is dewater unit, and 6 is waste gas outlet, and 7 is leakage fluid dram, and 21 is urceolus, and 22 is blade, and 23 is inner core.
The specific embodiment
Below in conjunction with specific embodiments and the drawings the utility model is further described.
As shown in Figure 1, 2, a kind of absorption plant for desulfurization and dedusting, be cylindrical structural, by absorption tower body 3, be located at the exhaust gas inlet 1 of absorption tower body 3 bottoms, be located at the waste gas outlet 6 at absorption tower body 3 tops, be located at the leakage fluid dram 7 of absorption tower body 3 bottoms, and from bottom to top be installed in successively absorption mass transfer parts 2, liquid distributor 4 and dewater unit 5 in the absorption tower body 3.Absorption tower body 3 adopts the anticorrosion or steel construction liner rubber of steel construction glass flakes or fiberglass to carry out anticorrosion, the exhaust gas inlet 1 of bottom links to each other with boiler exhaust gas, Rotary Kiln tail gas or sintering machine tail gas, leakage fluid dram 7 is connected with circulatory pool, tail gas absorbs mass transfer parts 2 and liquid distributor 4 successively in absorption tower body 3, dewater by dewater unit 5 again, tail gas that can qualified discharge after the dehydration is by waste gas outlet 6 dischargings, and waste gas outlet 6 is connected with chimney.Exhaust gas inlet 1 is wide flat type entrance, and is downward-sloping, and the angle of 3 of absorption tower bodies is 70-80 °, preferred as shown in this embodiment 80 °.Absorbing mass transfer parts 2 adopts 316L stainless steel or alloy material to make, be fan wheel structure, by urceolus 21, inner core 23, and some equally distributed equidirectionally forming with the angle stacked blade 22 that tilts of being connected and fixed on 23 of urceolus 21 and inner cores, one deck or multilayer can be set, the number of plies requires to design according to desulfuration efficiency and resistance, is 3 layers as shown in this embodiment.Liquid distributor 4 is made by fiberglass or stainless steel, and the number of plies can require to design according to desulfuration efficiency and resistance, can consider one deck or multilayer are set, and the nozzle of downward spray is installed on it, makes slurries carry out reverse the contact with tail gas.Dewater unit 5 adopts the baffle plate type dewater unit, two-layer dehydration, and dehydrating effect is good, preferably adopts the PP material.
Below only be preferred embodiment of the present utility model, not in order to limiting the utility model, all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (8)
1. absorption plant that is used for desulfurization and dedusting, it is characterized in that: by the absorption tower body, be located at the exhaust gas inlet of body bottom, described absorption tower, be located at the waste gas outlet of described absorption tower bodies top, be located at the leakage fluid dram of body bottom, described absorption tower, and from bottom to top being installed in successively described absorption tower intrinsic absorption mass transfer parts, liquid distributor and dewater unit are equipped with the nozzle of downward spray on the described liquid distributor.
2. the absorption plant for desulfurization and dedusting as claimed in claim 1, it is characterized in that: described absorption mass transfer parts are fan wheel structure, by urceolus, inner core, and be connected and fixed on some equally distributed equidirectional between described urceolus and inner core and form with the angle stacked blade that tilts.
3. the absorption plant for desulfurization and dedusting as claimed in claim 1, it is characterized in that: described exhaust gas inlet is downward-sloping, and the angle between the body of absorption tower is 70-80 °.
4. the absorption plant for desulfurization and dedusting as claimed in claim 1, it is characterized in that: described exhaust gas inlet is wide flat type entrance.
5. the absorption plant for desulfurization and dedusting as claimed in claim 1 is characterized in that: described absorption tower body employing steel construction glass flake anticorrosion or steel construction liner rubber or fiberglass.
6. the absorption plant for desulfurization and dedusting as claimed in claim 1, it is characterized in that: described absorption mass transfer parts arrange one deck or multilayer.
7. the absorption plant for desulfurization and dedusting as claimed in claim 1, it is characterized in that: described liquid distributor is made by fiberglass or stainless steel.
8. the absorption plant for desulfurization and dedusting as claimed in claim 1 is characterized in that: described dewater unit employing baffle plate type dewater unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320285277 CN203253352U (en) | 2013-05-23 | 2013-05-23 | Absorption device for desulfurization and dust removal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320285277 CN203253352U (en) | 2013-05-23 | 2013-05-23 | Absorption device for desulfurization and dust removal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203253352U true CN203253352U (en) | 2013-10-30 |
Family
ID=49465962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320285277 Expired - Fee Related CN203253352U (en) | 2013-05-23 | 2013-05-23 | Absorption device for desulfurization and dust removal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203253352U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105797563A (en) * | 2016-05-05 | 2016-07-27 | 辽宁科技学院 | Venturi high-efficiency reaction desulfuration device |
| CN108246057A (en) * | 2016-12-28 | 2018-07-06 | 天津普洛仙科技有限公司 | A kind of waste gas absorption tower Spiralism type dehydrated structure |
-
2013
- 2013-05-23 CN CN 201320285277 patent/CN203253352U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105797563A (en) * | 2016-05-05 | 2016-07-27 | 辽宁科技学院 | Venturi high-efficiency reaction desulfuration device |
| CN108246057A (en) * | 2016-12-28 | 2018-07-06 | 天津普洛仙科技有限公司 | A kind of waste gas absorption tower Spiralism type dehydrated structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Absorption device for desulfurization and dust removal Effective date of registration: 20200509 Granted publication date: 20131030 Pledgee: Chengdu SME financing Company Limited by Guarantee Pledgor: SICHUAN QINGYUAN ENVIRONMENTAL ENGINEERING Co.,Ltd. Registration number: Y2020980002090 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131030 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |