CN103525472A - HPF-method desulfurized waste liquid treatment device - Google Patents
HPF-method desulfurized waste liquid treatment device Download PDFInfo
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- CN103525472A CN103525472A CN201310469491.XA CN201310469491A CN103525472A CN 103525472 A CN103525472 A CN 103525472A CN 201310469491 A CN201310469491 A CN 201310469491A CN 103525472 A CN103525472 A CN 103525472A
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- injector
- mixing tank
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Abstract
The invention discloses an HPF-method desulfurized waste liquid treatment device, and belongs to the technical field of waste liquid treatment equipment. According to the technical scheme of the invention, the treatment device includes a regeneration tower and an ejector, and is characterized in that the top of the ejector is provided with a desulfurized waste liquid inlet pipe, and the bottom of the ejector is provided with an ejection nozzle; the ejection nozzle stretches into the regeneration tower; one side of the regeneration tower is provided with a gas mixing tank; an oxygen inlet pipe and a nitrogen inlet pipe are arranged on the gas mixing tank; an gas outlet pipe of the gas mixing tank is connected with the upper part of the ejector, and the gas outlet pipe is provided with a pressure detection device, a flow detection device, a temperature detection device and a mixed gas flow adjusting device; the top of the regeneration tower is provided with a waste gas collecting cavity communicated with the interior of the regeneration tower; the waste gas collecting cavity is communicated with the upper part of the ejector through a gas transmission pipe, and one side of the waste gas collecting cavity is provided with a waste gas outlet. Compared with the prior art, the device has the advantages of simple structure and reasonable design, improves the desulfurization regeneration efficiency, is in favor of protecting environment, and reduces environmental pollution.
Description
Technical field
The present invention relates to waste liquor treatment equipment technical field, relate in particular to a kind of HPF method desulfurization waste liquor treatment unit.
Background technology
The existing domestic Duo Jia employing catalytic wet oxidation ammonia process of desulfurization HPF of iron and steel enterprise gas purification process, this technique is because sweetening effectiveness is good, floor space is little, less investment is used widely, but because it adopts air as the regenerating oxidant of desulfurization waste liquor, in gas, oxygen content is little, cause Regeneration Efficiency for Desulfurization low, and the not treated direct loss of desulfurize discharge gas producing, causes the volatile components such as ammonia a large amount of in doctor solution, benzene to enter atmosphere, causes atmospheric pollution.
Summary of the invention
The object of the invention is the deficiency existing for prior art, a kind of HPF method desulfurization waste liquor treatment unit is provided, this invention is simple in structure, reasonable in design, has improved Regeneration Efficiency for Desulfurization, is conducive to protection of the environment, reduces environmental pollution.
The object of the invention is to be achieved through the following technical solutions: a kind of HPF method desulfurization waste liquor treatment unit, comprise regenerator column and injector, the top of described injector is provided with desulfurization waste liquor liquid-inlet pipe, the bottom of injector is provided with spout, spout stretches in regenerator column, one side of described regenerator column is provided with gas mixing tank, gas mixing tank is provided with oxygen intake pipe and nitrogen inlet pipe, the escape pipe of gas mixing tank is connected with injector top, escape pipe is provided with pressure-detecting device, flow detector, temperature-detecting device and mixed airflow quantity regulating device, the top of described regenerator column is provided with the collection waste gas chamber communicating with regenerator column inside, collection waste gas chamber is communicated with injector top through pneumatic tube, a side in collection waste gas chamber is provided with waste gas outlet.
As a further improvement on the present invention, described pressure-detecting device, flow detector and temperature-detecting device are connected with the input terminus of PID controller respectively, and the output terminal of PID controller is connected with mixed airflow quantity regulating device.
As of the present invention, further improve, described PID controller is connected with upper computer.
As another step of the present invention, improve, also comprise the standby mixed airflow quantity regulating device that is connected with standby ejector.
The invention has the beneficial effects as follows: compared with prior art, the present invention is simple in structure, reasonable in design, employing regulates the blending ratio of oxygen and nitrogen with the gas mixing tank of oxygen intake pipe and nitrogen inlet pipe, by improving the content of oxygen in mixed gas, Regeneration Efficiency for Desulfurization is improved greatly; The one collection waste gas chamber communicating with regenerator column inside is set at the top of regenerator column; collection waste gas chamber is communicated with injector top through pneumatic tube; the waste gas producing in regenerator column enters upper-part centralized waste gas chamber; under the effect of injector inside upper part negative pressure; waste gas is sucked Recycling in injector through pneumatic tube; avoid waste gas to be discharged in atmosphere, be conducive to protection of the environment, reduced environmental pollution.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is control principle schematic diagram of the present invention;
Wherein, 1-regenerator column; 2-injector; 3-desulfurization waste liquor liquid-inlet pipe; 4-gas mixing tank; 5-oxygen intake pipe; 6-nitrogen inlet pipe; 7-escape pipe; 8-collection waste gas chamber; 9-waste gas outlet; 10-pressure-detecting device; 11-flow detector; 12-temperature-detecting device; 13-mixed airflow quantity regulating device; 14-PID controller; 15-upper computer; 16-standby ejector; The standby mixed airflow quantity regulating device of 17-.
Embodiment
For clearly demonstrating the technical characterstic of this programme, below by an embodiment, and in conjunction with its accompanying drawing, this programme is set forth.
By accompanying drawing 1 and accompanying drawing 2, can find out, the HPF method desulfurization waste liquor treatment unit of this programme, comprise regenerator column 1 and injector 2, the top of described injector 2 is provided with desulfurization waste liquor liquid-inlet pipe 3, the bottom of injector 2 is provided with spout, spout stretches in regenerator column 1, one side of described regenerator column 1 is provided with gas mixing tank 4, gas mixing tank 4 is provided with oxygen intake pipe 5 and nitrogen inlet pipe 6, the escape pipe 7 of gas mixing tank 4 is connected with injector 2 tops, escape pipe 7 is provided with pressure-detecting device 10, flow detector 11, temperature-detecting device 12 and mixed airflow quantity regulating device 13, the top of described regenerator column 1 is provided with the collection waste gas chamber 8 communicating with regenerator column 1 inside, collection waste gas chamber 8 is communicated with injector 2 tops through pneumatic tube, a side in collection waste gas chamber 8 is provided with waste gas outlet 9.
For reaching better result of use, described pressure-detecting device 10, flow detector 11 and temperature-detecting device 12 are connected with the input terminus of PID controller 14 respectively, the output terminal of PID controller 14 is connected with mixed airflow quantity regulating device 13, pressure-detecting device 10, flow detector 11 and temperature-detecting device 12 detect respectively mixture pressure, flow and the temperature information in escape pipe 7, and the gas mixture related data information of acquisition is carried out to computing, and export steering order and carry out mixed gas flow adjusting to mixed airflow quantity regulating device 13; Described PID controller 14 is connected with upper computer 15, and PID controller 14 obtains work order from upper computer 15, and related data information is sent to upper computer 15; In addition, the present invention also comprises the standby mixed airflow quantity regulating device 17 that is connected with standby ejector 16.
During use, control oxygen and nitrogen and enter the ratio (ratio of general oxygen and nitrogen is 2:3) in gas mixing tank 4 through oxygen intake pipe 5 and nitrogen inlet pipe 6, improve the content that enters oxygen in the mixed gas mixing with desulfurization waste liquor in injector 2, Regeneration Efficiency for Desulfurization is improved greatly.Together with the regenerating oxidant that desulfurization waste liquor mixes with nitrogen with oxygen, injected device 2 sprays into reaction in regenerator column 1; the waste gas producing in regenerator column 1 enters in upper-part centralized waste gas chamber 8; under the effect of injector 2 inside upper part negative pressure; waste gas is sucked Recycling in injector 2 by pneumatic tube; avoided waste gas to be discharged in atmosphere; be conducive to protection of the environment, reduce environmental pollution.
Ultimate principle of the present invention, principal character and advantage of the present invention have more than been described.The technician of the industry should understand; the present invention is not restricted to the described embodiments; description in the above embodiments and specification sheets just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The present invention does not describe part in detail, is those skilled in the art of the present technique's known technology.
Claims (4)
1. a HPF method desulfurization waste liquor treatment unit, comprise regenerator column (1) and injector (2), it is characterized in that: the top of described injector (2) is provided with desulfurization waste liquor liquid-inlet pipe (3), the bottom of injector (2) is provided with spout, spout stretches in regenerator column (1), one side of described regenerator column (1) is provided with gas mixing tank (4), gas mixing tank (4) is provided with oxygen intake pipe (5) and nitrogen inlet pipe (6), the escape pipe (7) of gas mixing tank (4) is connected with injector (2) top, escape pipe (7) is provided with pressure-detecting device (10), flow detector (11), temperature-detecting device (12) and mixed airflow quantity regulating device (13), the top of described regenerator column (1) is provided with the collection waste gas chamber (8) communicating with regenerator column (1) inside, collection waste gas chamber (8) is communicated with injector (2) top through pneumatic tube, a side in collection waste gas chamber (8) is provided with waste gas outlet (9).
2. HPF method desulfurization waste liquor treatment unit according to claim 1, it is characterized in that: described pressure-detecting device (10), flow detector (11) and temperature-detecting device (12) are connected with the input terminus of PID controller (14) respectively, the output terminal of PID controller (14) is connected with mixed airflow quantity regulating device (13).
3. HPF method desulfurization waste liquor treatment unit according to claim 1, is characterized in that: described PID controller (14) is connected with upper computer (15).
4. HPF method desulfurization waste liquor treatment unit according to claim 1, is characterized in that: also comprise the standby mixed airflow quantity regulating device (17) that is connected with standby ejector (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310469491.XA CN103525472A (en) | 2013-09-25 | 2013-09-25 | HPF-method desulfurized waste liquid treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310469491.XA CN103525472A (en) | 2013-09-25 | 2013-09-25 | HPF-method desulfurized waste liquid treatment device |
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| Publication Number | Publication Date |
|---|---|
| CN103525472A true CN103525472A (en) | 2014-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310469491.XA Pending CN103525472A (en) | 2013-09-25 | 2013-09-25 | HPF-method desulfurized waste liquid treatment device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109806735A (en) * | 2019-01-17 | 2019-05-28 | 中冶焦耐(大连)工程技术有限公司 | A kind of coke oven gas desulfurization regenerator tail gas treatment process and system |
-
2013
- 2013-09-25 CN CN201310469491.XA patent/CN103525472A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109806735A (en) * | 2019-01-17 | 2019-05-28 | 中冶焦耐(大连)工程技术有限公司 | A kind of coke oven gas desulfurization regenerator tail gas treatment process and system |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140122 |
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| WD01 | Invention patent application deemed withdrawn after publication |