CN204601988U - A kind of device reducing catalysis fume desulfurizing tower loop slurry COD - Google Patents
A kind of device reducing catalysis fume desulfurizing tower loop slurry COD Download PDFInfo
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- CN204601988U CN204601988U CN201520302850.7U CN201520302850U CN204601988U CN 204601988 U CN204601988 U CN 204601988U CN 201520302850 U CN201520302850 U CN 201520302850U CN 204601988 U CN204601988 U CN 204601988U
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Abstract
Reduce a device of catalysis fume desulfurizing tower loop slurry COD, primarily of desulfurizing tower, oxidation spraying system composition, described desulfurizing tower is respectively equipped with catalysis smoke inlet pipeline, the outer comb line of flue gas and waste water and sends pipeline outside; Described oxidation spraying system comprises the jet pump and injector that are connected successively by pipeline, the entrance point of described sandblasting pump connects desulfurizing tower by pipeline, the port of export of described injector is provided with power jet and connects desulfurizing tower by pipeline, described injector connects air inlet pipeline and valve.The utility model effectively can reduce catalysis fume desulfurizing tower loop slurry COD, system architecture simply, does not need to arrange booster fan or control pressurer system, crushing that is easy to operate, technique is little, and saving water source, slurries COD≤0.05g/L, ensure that the device long cycle of operation.
Description
Technical field
The utility model relates to catalysis filed of flue gas purification in petrochemical industry, specifically a kind of device reducing catalysis fume desulfurizing tower loop slurry COD.
Background technology
Catalysis fume desulfurizing tower is for the device in purifying and catalyzing flue gas, and wherein, the particle (dust) that absorbs SO2 and considerable part removes and completes in an opening, packless reverse-flow desulfurizing tower.Flue gas is vertically by desulfurizing tower, and absorbed layer sprays into alkaline solution, and flue gas and alkaline solution form adverse current.Eliminate the sulfur dioxide in flue gas and particle (dust).If tower prime cement liquid is directly discharged, COD is higher, can increase operating load to Waste Water Treatment.Meanwhile, whole smoke eliminator water, electricity consumption, alkali consumption all increase, and cause operating cost to increase.Chemical oxygen demand COD (Chemical Oxygen Demand) is an important indicator of water body organic contamination.It chemically measures in water sample the amount needing oxidized reducing substances.In waste water, wastewater treatment plant effluent and contaminated water, the oxygen equivalent of the material (being generally organic matter) that can be oxidized by strong oxidizer.In the operational management of river pollution and industrial wastewater Quality Research and waste water treatment plant, it is important and can comparatively fast measure an Organic Pollution parameter, often represents with symbol COD.
Utility model content
The purpose of this utility model is exactly the defect existed for prior art, provides that a kind of structure is simple, easy to operate, to reduce COD effective and save the device of reduction catalysis fume desulfurizing tower loop slurry COD at water source.
The concrete technical scheme of the utility model is: primarily of desulfurizing tower, oxidation spraying system composition, described desulfurizing tower is respectively equipped with catalysis smoke inlet pipeline, the outer comb line of flue gas and waste water and sends pipeline outside; Described oxidation spraying system comprises the jet pump and injector that are connected successively by pipeline, the entrance point of described jet pump connects desulfurizing tower by pipeline, the port of export of described injector is provided with power jet and connects desulfurizing tower by pipeline, described injector connects air inlet pipeline and valve.
Such scheme comprises further:
The device of described reduction catalysis fume desulfurizing tower loop slurry COD also comprises the loop slurry circulatory system, the described loop slurry circulatory system comprises the shower nozzle being located at desulfurizing tower inner chamber top and the slurry circulating pump be positioned at outside desulfurizing tower, and the entrance point of described slurry circulating pump is connected with the bottom of desulfurizing tower by pipeline, the port of export is connected with described shower nozzle by pipeline.
Described desulfurizing tower connects alkali lye pipeline and alkali lye control valve.
The described loop slurry circulatory system is provided with pH value in-line analyzer, and it can regulate the pH of slurries with alkali lye control valve coordinated signals.
Described air inlet pipeline is provided with gate valve and check-valves.
The utility model effectively can reduce catalysis fume desulfurizing tower loop slurry COD, system architecture simply, does not need to arrange booster fan or control pressurer system, crushing that is easy to operate, technique is little, and saving water source, slurries COD≤0.05g/L, ensure that the device long cycle of operation.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of the utility model;
In figure: 1-catalysis smoke inlet pipeline, 2-desulfurizing tower, 3-loop slurry extract pipeline, 4-jet pump, 5-injector, 6-power jet, 7-air inlet pipeline, 8-air intake gate valve, 9-air intake check-valves out, 10-waste water sends valve outside, 11-waste water sends pipeline outside, 12-loop slurry sends valve outside, the outer comb line of 13-slurry circulating pump, 14-shower nozzle, 15-PH value in-line analyzer, 16-alkali lye pipeline, 17-alkali lye control valve, 18-flue gas.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described further.
See Fig. 1, the device reducing catalysis fume desulfurizing tower loop slurry COD, primarily of desulfurizing tower 2, oxidation spraying system composition and a loop slurry circulatory system, desulfurizing tower 2 is respectively equipped with catalysis smoke inlet pipeline 1, alkali lye pipeline 16 and alkali lye control valve 17, the outer comb line 18 of flue gas, waste water sends pipeline 11 outside and waste water sends valve 10 outside; Oxidation spraying system comprises the jet pump 4 and injector 5 that are connected successively by pipeline, the entrance point of jet pump 4 is extracted pipeline 3 out by loop slurry and is connected desulfurizing tower 2, the port of export of injector 5 is provided with power jet 6 and connects desulfurizing tower 2 by pipeline, injector 5 connects air inlet pipeline 7 and air intake gate valve 8, air intake check-valves 9; The loop slurry circulatory system comprises the shower nozzle 14 being located at desulfurizing tower 2 inner chamber top and the slurry circulating pump 13 be positioned at outside desulfurizing tower 2, the entrance point of slurry circulating pump 13 sends by pipeline and loop slurry that valve 12 is connected with the bottom of desulfurizing tower 2, the port of export is connected with shower nozzle 14 by reflux pipeline outside, and reflux pipeline is provided with pH value in-line analyzer 15, it can regulate the pH of slurries with alkali lye control valve 17 coordinated signals.
The course of work of said apparatus is as follows:
Catalysis flue gas enters desulfurizing tower 2 by catalysis smoke inlet pipeline 1, arranges the impurity such as the sulfur dioxide in shower nozzle 14 pairs of flue gases, particle (dust) and carry out spray-absorption in tower body.For making effluent discharge COD lower, below desulfurizing tower, extracting liquid is extracted pipeline 3 out by loop slurry and is entered external oxidation system oxidation, after injector 5 fully contacts mixing with air, returns desulfurizing tower 2; Air is by gas suction line 7, through air intake gate valve 8(or stop valve), check-valves 9 enters injector 5.
External oxidation spraying system is made up of injector 5 and jet pump 4 etc., injector 5 is oxidation air injector, liquid injected pump 4 delivery injector and power jet 6, after being sprayed by power jet 6, liquid becomes drop, fully mix with injection air subsequently, make to be dissolved in the sulphite in circulation fluid and air generation oxidation reaction.After air ejector, the circulation fluid containing unusual fine dispersion bubble is back in desulfurizing tower 2, rises in the process in face, pond at these bubbles, remaining oxygen further with circulation fluid generation oxidation reaction.The crushing of this airoxidation technique is little, does not need to arrange booster fan or control pressurer system.
Loop slurry at the bottom of tower is sprayed by the shower nozzle 14 that loop slurry sends valve 12 outside, slurry circulating pump 13 returns to desulfurizing tower 2 after being flowed out by loop slurry pipeline at the bottom of tower.Circulation fluid pipeline is provided with pH value in-line analyzer 15.The pH value of circulation fluid is regulated to maintain 6.5 ~ 8 by the flow of coordinated signals alkali lye control valve 17.Through spray-absorption, the sulfur dioxide in flue gas and particle (dust) remove.The waste water that loop slurry produces is sent pipeline 11 and waste water outside by waste water and is sent valve 10 outside and enter treatment unit for waste water and process.
Flue gas after dedusting, enters air through the outer comb line 18 of flue gas.
To sum up, the system architecture of the reduction desulfurizing tower loop slurry COD in the utility model simply, does not need to arrange booster fan or control pressurer system, and crushing that is easy to operate, technique is little, and saves water source, slurries COD≤0.05g/L, ensure that the device long cycle of operation.
For those skilled in the art; under the prerequisite not departing from the utility model principle; likely to concrete size, quantity or the partial structurtes of oxidation spraying system make some improvements and modifications, and these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (5)
1. reduce a device of catalysis fume desulfurizing tower loop slurry COD, it is characterized in that: primarily of desulfurizing tower, oxidation spraying system composition, described desulfurizing tower is respectively equipped with catalysis smoke inlet pipeline, the outer comb line of flue gas and waste water and sends pipeline outside; Described oxidation spraying system comprises the jet pump and injector that are connected successively by pipeline, the entrance point of described jet pump connects desulfurizing tower by pipeline, the port of export of described injector is provided with power jet and connects desulfurizing tower by pipeline, described injector connects air inlet pipeline and valve.
2. the device of reduction catalysis fume desulfurizing tower loop slurry COD according to claim 1, it is characterized in that: the device of described reduction catalysis fume desulfurizing tower loop slurry COD also comprises the loop slurry circulatory system, the described loop slurry circulatory system comprises the shower nozzle being located at desulfurizing tower inner chamber top and the slurry circulating pump be positioned at outside desulfurizing tower, and the entrance point of described slurry circulating pump is connected with the bottom of desulfurizing tower by pipeline, the port of export is connected with described shower nozzle by pipeline.
3. the device of reduction catalysis fume desulfurizing tower loop slurry COD according to claim 1, is characterized in that: described desulfurizing tower connects alkali lye pipeline and alkali lye control valve.
4. the device of reduction catalysis fume desulfurizing tower loop slurry COD according to claim 2, is characterized in that: the described loop slurry circulatory system is provided with pH value in-line analyzer, and it can regulate the pH of alkali lye with alkali lye control valve coordinated signals.
5., according to the device of the arbitrary described reduction catalysis fume desulfurizing tower loop slurry COD of claim 1-4, it is characterized in that: described air inlet pipeline is provided with gate valve and check-valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520302850.7U CN204601988U (en) | 2015-05-13 | 2015-05-13 | A kind of device reducing catalysis fume desulfurizing tower loop slurry COD |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520302850.7U CN204601988U (en) | 2015-05-13 | 2015-05-13 | A kind of device reducing catalysis fume desulfurizing tower loop slurry COD |
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| CN204601988U true CN204601988U (en) | 2015-09-02 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110433637A (en) * | 2019-07-30 | 2019-11-12 | 大连汉诺工程技术有限公司 | A kind of Method of Soda flue gas desulfurization device and technique |
| CN111135603A (en) * | 2019-12-31 | 2020-05-12 | 大连汉诺工程技术有限公司 | Waste alkali treatment method |
-
2015
- 2015-05-13 CN CN201520302850.7U patent/CN204601988U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110433637A (en) * | 2019-07-30 | 2019-11-12 | 大连汉诺工程技术有限公司 | A kind of Method of Soda flue gas desulfurization device and technique |
| CN111135603A (en) * | 2019-12-31 | 2020-05-12 | 大连汉诺工程技术有限公司 | Waste alkali treatment method |
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