CN100536999C - Waste gas washing facility - Google Patents
Waste gas washing facility Download PDFInfo
- Publication number
- CN100536999C CN100536999C CNB2006101503747A CN200610150374A CN100536999C CN 100536999 C CN100536999 C CN 100536999C CN B2006101503747 A CNB2006101503747 A CN B2006101503747A CN 200610150374 A CN200610150374 A CN 200610150374A CN 100536999 C CN100536999 C CN 100536999C
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- Prior art keywords
- flusher
- cleaning solution
- waste gas
- scrubbing tower
- washing
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- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The invention relates to a waste gas washing device, which comprises a washing tower, a washing solution feeding device, a first spraying device arranged at the top part of the washing tower and connected with the washing solution feeding device, a first pump connected between the washing solution feeding device and the first spraying device, a first filtering plate arranged above the first spraying device, a second spraying device arranged at the inner part of the washing tower and positioned below the first spraying device, a second pump arranged between the bottom part of the washing tower and the second spraying device, and a second filtering plate arranged below the second spraying device, therefore, the waste gas is washed by the second spraying device, and then by the first spraying device, not only realizing the best washing effect, but also reducing the consumption of the washing solution, thereby the purpose of reducing the operating cost is realized.
Description
Technical field
The present invention is relevant for a kind of waste gas treatment equipment, particularly relevant for a kind of rinsing type waste gas treatment equipment that is used to handle corrosivity (acid or alkalescence) gas.
Background technology
The waste gas that the general industry processing procedure is produced generally includes noxious material and has stink, if waste gas will cause air pollution not through dealing carefully with.And, if the noxious material concentration in the waste gas surpasses legal limit value, just may endanger Plant personnel and grass-roots healthy.In order to control air pollutants, must utilize prevention and cure of air pollution device processes waste gas, so that the noxious material concentration in the waste gas is lower than legal limit value, wherein a kind of industry prevention and cure of air pollution equipment commonly used is the rinsing type waste gas treatment equipment.
See also Fig. 1, be known a kind of rinsing type exhaust air-washing facility, be the method purifying exhaust air with liquid scrubbing, this equipment is made up of scrubbing tower 100, cleaning solution feedway 102, filter 104, blast pipe 112, waste gas ingress pipe 114, detergent circulator 120 and flusher 122 at least.Waste gas ingress pipe 114 all is connected to scrubbing tower 100 with blast pipe 112, respectively in order to waste gas is imported scrubbing tower 100 and will purify after waste gas discharge scrubbing tower 100.Cleaning solution feedway 102 also is connected to scrubbing tower 100, in order to cleaning solution is injected scrubbing tower 100 by water filling port 108.Flusher 122 is disposed at scrubbing tower 100 tops and is connected to detergent circulator 120.Filter 104 is arranged at scrubbing tower 100 inside and is positioned at flusher 122 belows.And cleaning solution promptly is circulation in scrubbing tower 100 by the detergent circulator 120 at bottom that connects scrubbing tower 100 and top.At first, cleaning solution injected scrubbing tower 100 after, be delivered to cat head with detergent circulator 120, and enter in the scrubbing tower 100 by cat head.Then, cleaning solution evenly spills down through flusher 122 and through filter 104 and at the bottom of getting back to tower, and then is delivered to cat head by detergent circulator 120 and forms a circulation.On the other hand, waste gas is then by importing at the bottom of the tower in the scrubbing tower 100, upwards flows then and contact with cleaning solution, makes the pollutant (as particulate, acid gas etc.) in the waste gas dissolve in cleaning solution, then discharged by cat head through the gas of purification.
Yet, described exhaust air-washing facility, wherein cleaning solution is evenly spilt down by flusher 122 and gets back to the toxic gas that has been dissolved with at the bottom of the tower in the waste gas through filter 104, so the acid/alkali concn of the cleaning solution in the circulation can continue to increase, at this moment, the clean result of waste gas can reduce gradually.Therefore,, must earlier the cleaning solution of part in circulation be discharged by discharge outlet 109, cleaner cleaning solution be injected by water filling port 108 for keeping the degree of purity of the cleaning solution in the circulation.So the use amount of cleaning solution is quite big, causes the economic loss and the wasting of resources, increase operating cost.
In addition, the employed flusher 122 of described exhaust air-washing facility can only wash the waste gas of the toxic gas that contains high concentration, and is not obvious for its clean result of waste gas of the toxic gas that contains low concentration.
So known exhaust air-washing facility still has its problem to be improved on reality is used.
Edge is, the inventor is that the spy concentrates on studies and cooperates the utilization of scientific principle, proposes a kind of use amount of effective reduction cleaning solution finally and increases the exhaust air-washing facility of clean result.
Summary of the invention
A purpose of the present invention is to provide a kind of exhaust air-washing facility, has the advantage of the use amount that reduces cleaning solution, reaches the purpose that reduces operating cost.
Another object of the present invention is to provide a kind of exhaust air-washing facility, has the advantage of the waste gas of the toxic gas that washs low concentration, reaches preferable clean result, makes air quality meet standard.
For reaching above-mentioned purpose, the invention provides a kind of exhaust air-washing facility, comprise at least: a scrubbing tower, it has a blast pipe, is connected to the top of this scrubbing tower; Reach a waste gas ingress pipe, be connected to a side of this scrubbing tower; One cleaning solution feedway is connected in this scrubbing tower; One first flusher is arranged at this scrubbing tower top and is connected in this cleaning solution feedway; One first pumping has one first pump mouth and one first delivery port, and this first pump mouth and this first delivery port are connected to this cleaning solution feedway and this first flusher; One first filter be arranged at this first flusher top, and the one side of this first filter is relative with the nozzle of this first flusher; One second flusher is arranged at this scrubbing tower inside and is positioned at this first flusher below; One second pumping has one second pump mouth and one second delivery port, and this second pump mouth and this second delivery port are connected to this wash tower bottoms and this second flusher; One second filter be arranged at this second flusher below, and the one side of this second filter is relative with the nozzle of this second flusher.
In preferred embodiment, this cleaning solution feedway is more preferably an adjustable cleaning solution feedway.
In preferred embodiment, the nozzle of this first flusher is more preferably and can sprays vaporific little water droplet.
Described exhaust air-washing facility further comprises an ion interchange unit, and it has two ends, and an end is connected in this wash tower bottoms, and the other end is connected in this first flusher.
Described exhaust air-washing facility further comprises one the 3rd pumping, is connected between this wash tower bottoms and this ion interchange unit.
Description of drawings
Fig. 1 is known a kind of rinsing type exhaust air-washing facility.
Fig. 2 is the configuration schematic diagram of first embodiment of a kind of exhaust air-washing facility of the present invention.
Fig. 3 is the configuration schematic diagram of second embodiment of a kind of exhaust air-washing facility of the present invention.
The primary clustering symbol description
One, prior art
Scrubbing tower 100 blast pipes 112
Cleaning solution feedway 102 waste gas ingress pipes 114
Filter 104 detergent circulators 120
Two, the present invention
Scrubbing tower 200
Waste gas ingress pipe 204
Cleaning solution feedway 210
First pumping 230
Ion interchange unit 280
The 3rd pumping 290
The specific embodiment
Reach technological means and the effect that predetermined purpose is taked for further setting forth the present invention, see also following about detailed description of the present invention and accompanying drawing, believe purpose of the present invention, feature and characteristics, go deep into and concrete understanding when getting one thus, yet appended graphic reference and the explanation usefulness of only providing not is to be used for the present invention is limited.
See also shown in Figure 2ly, be the configuration schematic diagram of first embodiment of a kind of exhaust air-washing facility of the present invention.A kind of exhaust air-washing facility comprises at least: a scrubbing tower 200, a cleaning solution feedway 210, one first flusher 220, one first pumping 230, one first filter 240, one second flusher 250, one second pumping 260 and one second filter 270.
This scrubbing tower 200 has a blast pipe 202 and a waste gas ingress pipe 204.This waste gas ingress pipe 204 is connected to a side of this scrubbing tower 200, in order to waste gas is imported in the scrubbing tower 200, so that it is washed.And this blast pipe 202 is connected to the top of this scrubbing tower 200, and waste gas is promptly discharged scrubbing tower 200 by blast pipe 202 through after purifying.
This cleaning solution feedway 210 is connected in this scrubbing tower 200, in order to supply with cleaning solution (the condensation recycle-water of running water or air-conditioning system) in this scrubbing tower 200.This cleaning solution feedway 210 is an adjustable cleaning solution feedway, as the cleaning solution source of supply, can regulate the quantity delivered of injecting the cleaning solution in the scrubbing tower 200.
This first flusher 220 is arranged at these scrubbing tower 200 tops and is connected in this cleaning solution feedway 210, in order to carry out the waste gas washing.The nozzle 222 of this first flusher 220 can spray vaporific little water droplet, increases the exchange area of liquid gas, can clean the toxic gas of low concentration in the waste gas.
This first pumping 230 has one first pump mouth 232 and one first delivery port 234, and this first pump mouth 232 and this first delivery port 234 are connected to this cleaning solution feedway 210 and this first flusher 220, in order to force cleaning solution to flow to this first flusher 220, so that first flusher 220 of clean and free of contamination cleaning solution in adjacent row tracheae 202 to be provided by this cleaning solution feedway 210.
This first filter 240 is arranged at this first flusher, 220 tops, and the one side of this first filter 240 is relative with the nozzle 222 of this first flusher 220, is dissolved with the cleaning solution of the toxic gas in the waste gas in order to block.In the present embodiment, only explain with a filter, this first filter 240 also can be that most filters are formed, to improve the detersive efficiency of waste gas.
This second flusher 250 is arranged at these scrubbing tower 200 inside and is positioned at this first flusher, 220 belows, in order to carry out the waste gas washing.
This second pumping 260 has one second pump mouth 262 and one second delivery port 264, and this second pump mouth 262 and this second delivery port 264 are connected to these scrubbing tower 200 bottoms and this second flusher 250, in order to force cleaning solution to flow to this second flusher 250, to provide inferior clean cleaning solution in second flusher 250 of contiguous waste gas ingress pipe 204 by these scrubbing tower 200 bottoms.
This second filter 270 is arranged at this second flusher, 250 belows, and the one side of this second filter 270 is relative with the nozzle 252 of this second flusher 250, is dissolved with the cleaning solution of the toxic gas in the waste gas in order to block.
During running, this second pumping 260 is delivered to second flusher 250 with the cleaning solution of scrubbing tower 200 bottoms.The nozzle 252 of this second flusher 250 sprays cleaning solution, at this moment, the waste gas that is entered by waste gas ingress pipe 204 contacts with cleaning solution, toxic gas in the waste gas is dissolved in the cleaning solution, and the cleaning solution block that is dissolved with the toxic gas in the waste gas is in this second filter 270, and flows back to this scrubbing tower 200 bottoms, then, be delivered to this second flusher 250 by this second pumping 260 again, form the waste gas washing of phase I, to reach the purpose of the use amount of saving cleaning solution.
Another side, this cleaning solution feedway 210 is delivered to this first flusher 220 by this first pumping 230 with clean and free of contamination cleaning solution.The nozzle 222 of first flusher 220 with cleaning solution with vaporific ejection, at this moment, waste gas washing through the phase I, still residual toxic gases in the waste gas, those toxic gases contact with the cleaning solution that first flusher 220 is sprayed, make residual toxic gas further be dissolved in the cleaning solution, the cleaning solution block that is dissolved with the toxic gas in the waste gas is in this first filter 240, and flow back to this scrubbing tower 200 bottoms, waste gas washing for the phase I is used, and forms the waste gas washing of second stage.By this, the waste gas of second stage washs employed cleaning solution and can supply with the waste gas washing of phase I and use, when waste gas is entered by waste gas ingress pipe 204, and wash through the sprinkling of second flusher 250 and first flusher 220 in regular turn, in other words, waste gas reaches preferable clean result through the inferior clean cleaning solution and the washing process of clean and free of contamination cleaning solution.
When the acid/alkali concn of the cleaning solution of scrubbing tower 200 bottoms is tending towards saturated, can be by the cleaning solution of discharge outlet 206 discharge sections of scrubbing tower 200 bottoms, increase cleaner cleaning solution again in scrubbing tower 200 bottoms, carry out the waste gas washing in order to this second flusher 250.
See also shown in Figure 3ly, be the configuration schematic diagram of second embodiment of a kind of exhaust air-washing facility of the present invention.
In the present embodiment, described exhaust air-washing facility further comprises an ion interchange unit 280 and one the 3rd pumping 290.This ion interchange unit 280 is in order to handling the cleaning solution that is dissolved with the toxic gas in the waste gas of scrubbing tower 200 bottoms, carries out the waste gas washing for first flusher 220 of scrubbing tower 200.This ion interchange unit 280 has two ends, and wherein an end is connected in the discharge outlet 206 of these scrubbing tower 200 bottoms by the 3rd pumping 290, and the other end is connected in this first flusher 220.By this, the cleaning solution that is dissolved with the toxic gas in the waste gas of scrubbing tower 200 bottoms can further be supplied with first flusher 220 and use, to reduce the use amount of cleaning solution through after the processing of this ion interchange unit 280.
Therefore, the present invention can carry out multistage waste gas washing, with the toxic gas in effective filtering waste gas, makes air reach high-level degree of purity.And make cleaning solution recycle by this second pumping 260, or by this ion interchange unit 280, the cleaning solution that is dissolved with the toxic gas in the waste gas can be recycled once more,, further reduce the cost of overall operation with the use amount of effective reduction cleaning solution.
So, see through a kind of exhaust air-washing facility provided by the present invention, have characteristics described as follows:
1, multistage waste gas washing process, the toxic gas in more effective removal waste gas makes air reach high-level degree of purity.
2, multistage cleaning solution circulation pattern, the use amount of more effective reduction cleaning solution further reduces the cost of overall operation.
But, the above, it only is the detailed description of specific embodiments of the invention and graphic, be not in order to restriction the present invention and feature of the present invention, such as have in the affiliated technical field and know the knowledgeable usually, modify or variation along the equivalence of doing according to spirit of the present invention, all should be contained in the claim of the present invention.
Claims (5)
1, a kind of exhaust air-washing facility is characterized in that:
At least comprise a scrubbing tower, it has a blast pipe, is connected to the top of this scrubbing tower; Reach a waste gas ingress pipe, be connected to a side of this scrubbing tower; One cleaning solution feedway is connected in this scrubbing tower; One first flusher is arranged at this scrubbing tower top and is connected in this cleaning solution feedway; One first pumping has one first pump mouth and one first delivery port, and this first pump mouth and this first delivery port are connected to this cleaning solution feedway and this first flusher; One first filter be arranged at this first flusher top, and the one side of this first filter is relative with the nozzle of this first flusher; One second flusher is arranged at this scrubbing tower inside and is positioned at this first flusher below; One second pumping has one second pump mouth and one second delivery port, and this second pump mouth and this second delivery port are connected to this wash tower bottoms and this second flusher; And one second filter, be arranged at this second flusher below, and the one side of this second filter is relative with the nozzle of this second flusher.
2, exhaust air-washing facility as claimed in claim 1 is characterized in that: this cleaning solution feedway is an adjustable cleaning solution feedway.
3, exhaust air-washing facility as claimed in claim 1 is characterized in that: the vaporific little water droplet of nozzle ejection of this first flusher.
4, exhaust air-washing facility as claimed in claim 1 is characterized in that: further comprise an ion interchange unit, it has two ends, and an end is connected in this wash tower bottoms, and the other end is connected in this first flusher.
5, exhaust air-washing facility as claimed in claim 4 is characterized in that: further comprise one the 3rd pumping, be connected between this wash tower bottoms and this ion interchange unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101503747A CN100536999C (en) | 2006-10-30 | 2006-10-30 | Waste gas washing facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101503747A CN100536999C (en) | 2006-10-30 | 2006-10-30 | Waste gas washing facility |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101172212A CN101172212A (en) | 2008-05-07 |
| CN100536999C true CN100536999C (en) | 2009-09-09 |
Family
ID=39421090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101503747A Expired - Fee Related CN100536999C (en) | 2006-10-30 | 2006-10-30 | Waste gas washing facility |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100536999C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104117256A (en) * | 2013-04-28 | 2014-10-29 | 陈卫星 | Hydrolysis neutralization method for toxic flue dust in chemical gas |
| CN104109898A (en) * | 2014-07-08 | 2014-10-22 | 德清县浙北通讯器材有限公司 | Waste gas treatment device of pickling or electroplating equipment |
-
2006
- 2006-10-30 CN CNB2006101503747A patent/CN100536999C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101172212A (en) | 2008-05-07 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090909 Termination date: 20091130 |