CN205760564U - A kind of low-temp desulfurization and denitrating system - Google Patents
A kind of low-temp desulfurization and denitrating system Download PDFInfo
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- CN205760564U CN205760564U CN201620617798.9U CN201620617798U CN205760564U CN 205760564 U CN205760564 U CN 205760564U CN 201620617798 U CN201620617798 U CN 201620617798U CN 205760564 U CN205760564 U CN 205760564U
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- tower
- eddy flow
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- cooling
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Treating Waste Gases (AREA)
Abstract
The utility model discloses a kind of low-temp desulfurization and denitrating system, include eddy flow tower and be arranged on the first waste gas outlet of eddy flow top of tower, first waste gas outlet connects abacus ripple packing absorption tower, the bottom of eddy flow tower is provided with water tank, the first waste liquid outlet it is provided with on water tank, first waste liquid outlet connects hot-tub, hot-tub connects cooling tower, the bottom of cooling tower is provided with cooling pond, perforated plate corrugated filler absorption tower connects alkali liquor pond, alkali liquor pond is connected with NaOH solution circulating pump and hot-tub simultaneously, NaOH solution circulating pump is connected with perforated plate corrugated filler absorption tower, make full use of waste heat from tail gas and process the concentrated solution after using, solve absorbing liquid and process problem, substantial amounts of waste heat will not be discharged in air, energy-conserving and environment-protective；Nitrogen oxides and sulfide Combined Treatment, reduce system equipment, significantly reduce cost of investment；The sulphite that sulfide is formed after absorbing is fully utilized, and in order to nitrogen oxides reduction, reduces absorbent usage amount, cost-effective.
Description
Technical field
This utility model relates to technical field of environment protection equipment, especially relates to the one of dust disposal and VOCs treatment
Low-temp desulfurization and denitrating system.
Background technology
Air pollution problems inherent increases the weight of day by day in recent years, and China is as a developing power, when the most considerably long one section
In will face the severe situation that air pollution constantly increases the weight of.In commercial production, a lot of industries are required for carrying out at high-temperature heating
Reason, discharges substantial amounts of waste gas, is all mingled with harmful impurity in these waste gas in heating process；The polishing of industrial products, former material
Expect the dust of generations such as crush/milling.Not only human body is caused the biggest harm, also atmospheric environment can be polluted, not have
Reach the discharge standard of country, if Around environment can be produced serious in air by organic exhaust gas of leaving, dust emission
Pollution, it is therefore necessary to organic exhaust gas, the dust produced in production process is effectively processed, suitable to reach
Emission request after enter again in air.
The combustion system that boiler is conventional at present is made up of air-fuel, has the oxygen of 21% to participate in combustion-supporting in air,
The nitrogen of 78% is not involved in burning, and the most substantial amounts of nitrogen by meaningless heating, at high temperature enters air, causes substantial amounts of heat
Amount loss, nitrogen the most also generates NOX gas with oxygen reaction simultaneously, enters air and easily forms acid rain, endangers earth's surface
Vegeto-animal normal existence and life, cause environmental pollution；Boiler the most also can produce substantial amounts of sulfide simultaneously,
Traditional desulfurization and method of denitration are generally individually desulfurization and denitration to be divided into two steps process, and namely need to use two sets
Equipment, such cost of investment is too high, and can produce substantial amounts of waste heat and nitrite in processing procedure, it is impossible to obtain weight
Multiple utilization, processing cost is the highest.
Utility model content
Problem to be solved in the utility model is to provide that a kind of simple in construction, cost of investment be low, energy-conserving and environment-protective, make full use of
Waste heat and the high low-temp desulfurization of exhaust treatment efficiency and denitrating system.
For solving above-mentioned technical problem, the technical solution adopted in the utility model is: a kind of low-temp desulfurization and denitrating system,
Including eddy flow tower and be arranged on the first waste gas outlet of described eddy flow top of tower, described first waste gas outlet connects abacus
Ripple packing absorption tower, the bottom of described eddy flow tower is provided with water tank, and described water tank is provided with the first waste liquid outlet, and described
One waste liquid outlet connects hot-tub, and described hot-tub connects has cooling tower, the bottom of described cooling tower to be provided with cooling
Pond, described cooling pond leads to supercooled water delivery pump and is connected with described eddy flow tower, the end on described perforated plate corrugated filler absorption tower
Portion is provided with the second waste liquid outlet, and described second waste liquid outlet connects alkali liquor pond, and described alkali liquor pond is simultaneously and NaOH solution circulating pump
Connecting with described hot-tub, described NaOH solution circulating pump is connected with described perforated plate corrugated filler absorption tower.
Preferably, above-mentioned a kind of low-temp desulfurization and denitrating system, wherein said eddy flow tower be internally provided with water filter plate,
The bottom of described water filter plate is provided with several spiral boards, and the left side of described eddy flow tower is provided with the first exhaust gas inlet.
Preferably, above-mentioned a kind of low-temp desulfurization and denitrating system, the bottom of wherein said cooling pond is provided with crystal
Floss hole.
Preferably, above-mentioned a kind of low-temp desulfurization and denitrating system, between wherein said hot-tub and described cooling tower
It is provided with hot water supplying pump.
Preferably, above-mentioned a kind of low-temp desulfurization and denitrating system, wherein said eddy flow tower is provided with spray liquid water inlet
Mouthful, described cooling water delivery pump is connected with described spray liquid water inlet.
Preferably, above-mentioned a kind of low-temp desulfurization and denitrating system, wherein said perforated plate corrugated filler absorption tower is arranged
The second exhaust gas inlet and cleaning mixture import, described NaOH solution circulating pump is had to be connected with described cleaning mixture import.
Preferably, above-mentioned a kind of low-temp desulfurization and denitrating system, the top on wherein said perforated plate corrugated filler absorption tower
Being provided with acceptable air outlet, the outlet connection of described acceptable air has air-introduced machine.
This utility model has the advantage that and provides the benefit that:
1, make full use of waste heat from tail gas and process the concentrated solution after using, solve absorbing liquid and process problem, will not be to air
The substantial amounts of waste heat of middle discharge, energy-conserving and environment-protective；
2, nitrogen oxides and sulfide Combined Treatment, reduce system equipment, significantly reduce cost of investment；
3, the sulphite formed after sulfide absorbs is fully utilized, and in order to nitrogen oxides reduction, reduces absorbent and makes
Consumption, cost-effective.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model；
Fig. 2 is the structural representation on this utility model aperture plate ripple packing absorption tower；
Fig. 3 is the structural representation of eddy flow tower in this utility model.
In figure: 1, hot water supplying pump 2, eddy flow tower 3, perforated plate corrugated filler absorption tower
4, air-introduced machine 5, hot-tub 6, alkali liquor pond
7, cooling tower 8, cooling pond 9, cooling water delivery pump
10, NaOH solution circulating pump 11, crystal floss hole 12, alkali liquor supply port
21, first waste gas outlet the 22, first exhaust gas inlet the 23, first waste liquid outlet
24, water tank 25, spiral board 26, spray liquid water inlet
27, water filter plate 31, acceptable air outlet 32, cleaning mixture import
33, second exhaust gas inlet the 34, second waste liquid outlet
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to this utility model.Should be appreciated that specific embodiment described herein is only in order to explain
This utility model, is not used to limit this utility model.
As shown in Figure 1, Figure 2 and Figure 3, a kind of low-temp desulfurization and denitrating system, include eddy flow tower 2 and be arranged on eddy flow
First waste gas outlet 21 at tower 2 top, the first waste gas outlet 21 connects abacus ripple packing absorption tower 3, the inside of eddy flow tower 2
Being provided with water filter plate 27, the bottom of water filter plate 27 is provided with several spiral boards 25, and the left side of eddy flow tower 2 is provided with the first waste gas
Import 22, the bottom of eddy flow tower 2 is provided with water tank 24, and water tank 24 is provided with the first waste liquid outlet 23, the first waste liquid outlet 23
Connecting and have hot-tub 5, hot-tub 5 connects cooling tower 7, is provided with hot water supplying pump 1 between hot-tub 5 and cooling tower 7,
The bottom of cooling tower 7 is provided with cooling pond 8, and the bottom of cooling pond 8 is provided with crystal floss hole 11, and cooling pond 8 leads to
Supercooled water delivery pump 9 is connected with eddy flow tower 2, and eddy flow tower 2 is provided with spray liquid water inlet 26, cooling water delivery pump 9 and spray
Drenching liquid water inlet 26 to connect, the bottom on perforated plate corrugated filler absorption tower 3 is provided with the second waste liquid outlet 34, the second waste liquid outlet
34 connect and have alkali liquor pond 6, and alkali liquor pond 6 is provided with alkali liquor supply port 12, alkali liquor pond 6 simultaneously with NaOH solution circulating pump 10 and hot-tub
5 connect, and NaOH solution circulating pump 10 is connected with perforated plate corrugated filler absorption tower 3, perforated plate corrugated filler absorption tower 3 is provided with second and gives up
Gas import 31 and cleaning mixture import 32, NaOH solution circulating pump 10 is connected with cleaning mixture import 32, the top on perforated plate corrugated filler absorption tower 3
Portion is provided with acceptable air outlet 31, and acceptable air outlet 31 connection has air-introduced machine 4.
Waste gas first passes around eddy flow tower 2, dust in the middle of scrubbed removal and part NOx and SO2, and flue-gas temperature is dropped
As little as less than 50 DEG C；Hot water after washing is from flowing to hot-tub 5, then sends into cooling tower 7, cooling tower 7 through hot water supplying pump 1
Taking away part moisture content in cooling procedure, and reduced by solution temperature, flow into cooling pond 8 after cooling, saturated solution is because of the fall of temperature
Low and moisture minimizing separates out crystal at the bottom of pond in cooling pond 8, salvages and removes；Coolant is pumped up continuing into eddy flow tower 2 again
Washing.The effect of eddy flow tower 2: the dust during 1, flue gas is removed in washing.2, to cooling high-temperature fume, in order to entering of subsequent reactions
OK.3, denitrification and sulfide are tentatively removed.4, utilize high-temperature flue gas to heat saturated absorption liquid, make saturated absorption liquid evaporate,
Thus the absorbing liquid after utilizing Heat Treatment to utilize.
Through eddy flow tower 2 primary wash the waste gas lowered the temperature, send into perforated plate corrugated filler absorption tower 3 and fully connect with alkaline solution
Touch and absorb, generate nitrate and sulphite；The sulphite generated is used in promotion nox adsorption, again by part
NO2 is reduced to N2 autoxidation and becomes sulfate；Acceptable exhaust is vented through air-introduced machine 4；Reacted alkaline solution is from flowing back to alkali liquor
Pond 6, more again send perforated plate corrugated filler absorption tower 3 back to through pump, constantly circulate；After after a period of time, absorbent utilizes completely, will
Hot-tub 5 sent into by the dense saline solution formed, and adds the circulation of evaporation and concentration, so that whole absorption system the most outwards discharges waste liquid.
Above an embodiment of the present utility model is described in detail, but described content has been only this utility model
Preferred embodiment, it is impossible to be considered for limiting practical range of the present utility model.All according to this utility model application range institute
Impartial change and the improvement etc. made, within all should still belonging to patent covering scope of the present utility model.
Claims (7)
1. a low-temp desulfurization and denitrating system, it is characterised in that: include eddy flow tower (2) and be arranged on described eddy flow tower
(2) first waste gas outlet (21) at top, described first waste gas outlet (21) connects abacus ripple packing absorption tower (3), institute
The bottom stating eddy flow tower (2) is provided with water tank (24), and described water tank (24) is provided with the first waste liquid outlet (23), and described first
Waste liquid outlet (23) connects hot-tub (5), and described hot-tub (5) connects cooling tower (7), described cooling tower (7)
Bottom is provided with cooling pond (8), and described cooling pond (8) logical supercooled water delivery pump (9) is connected with described eddy flow tower (2),
The bottom of described perforated plate corrugated filler absorption tower (3) is provided with the second waste liquid outlet (34), and described second waste liquid outlet (34) is even
Being connected to alkali liquor pond (6), described alkali liquor pond (6) is connected with NaOH solution circulating pump (10) and described hot-tub (5) simultaneously, and described alkali liquor follows
Ring pump (10) is connected with described perforated plate corrugated filler absorption tower (3).
A kind of low-temp desulfurization the most according to claim 1 and denitrating system, it is characterised in that: described eddy flow tower (2) interior
Portion is provided with water filter plate (27), and the bottom of described water filter plate (27) is provided with several spiral boards (25), described eddy flow tower (2)
Left side is provided with the first exhaust gas inlet (22).
A kind of low-temp desulfurization the most according to claim 1 and denitrating system, it is characterised in that: set on described eddy flow tower (2)
Being equipped with spray liquid water inlet (26), described cooling water delivery pump (9) is connected with described spray liquid water inlet (26).
A kind of low-temp desulfurization the most according to claim 1 and denitrating system, it is characterised in that: described cooling pond (8)
Bottom is provided with crystal floss hole (11).
A kind of low-temp desulfurization the most according to claim 1 and denitrating system, it is characterised in that: described hot-tub (5) and institute
State and between cooling tower (7), be provided with hot water supplying pump (1).
A kind of low-temp desulfurization the most according to claim 1 and denitrating system, it is characterised in that: described perforated plate corrugated filler is inhaled
Receive and on tower (3), be provided with the second exhaust gas inlet (33) and cleaning mixture import (32), described NaOH solution circulating pump (10) and described washing
Liquid import (32) connects.
A kind of low-temp desulfurization the most according to claim 1 and denitrating system, it is characterised in that: described perforated plate corrugated filler is inhaled
The top receiving tower (3) is provided with acceptable air outlet (31), and described acceptable air outlet (31) connects air-introduced machine (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620617798.9U CN205760564U (en) | 2016-06-20 | 2016-06-20 | A kind of low-temp desulfurization and denitrating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620617798.9U CN205760564U (en) | 2016-06-20 | 2016-06-20 | A kind of low-temp desulfurization and denitrating system |
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| Publication Number | Publication Date |
|---|---|
| CN205760564U true CN205760564U (en) | 2016-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620617798.9U Expired - Fee Related CN205760564U (en) | 2016-06-20 | 2016-06-20 | A kind of low-temp desulfurization and denitrating system |
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| CN (1) | CN205760564U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106000048A (en) * | 2016-06-20 | 2016-10-12 | 广东上典环境保护工程有限公司 | Low-temperature desulfuration and denitration system |
-
2016
- 2016-06-20 CN CN201620617798.9U patent/CN205760564U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106000048A (en) * | 2016-06-20 | 2016-10-12 | 广东上典环境保护工程有限公司 | Low-temperature desulfuration and denitration system |
| CN106000048B (en) * | 2016-06-20 | 2018-06-12 | 广东上典环境保护工程有限公司 | A kind of low-temp desulfurization and denitrating system |
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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 | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Low-temperature desulfuration and denitration system Effective date of registration: 20170713 Granted publication date: 20161207 Pledgee: Bank of China Limited by Share Ltd Foshan branch Pledgor: GUANGDONG SHANGDIAN ENVIRONMENT PROTECTION ENGINEERING CO., LTD. Registration number: 2017440000051 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 Termination date: 20210620 |