CN205145861U - Flue gas treatment equipment - Google Patents
Flue gas treatment equipment Download PDFInfo
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- CN205145861U CN205145861U CN201520886722.1U CN201520886722U CN205145861U CN 205145861 U CN205145861 U CN 205145861U CN 201520886722 U CN201520886722 U CN 201520886722U CN 205145861 U CN205145861 U CN 205145861U
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Abstract
The utility model provides a flue gas treatment equipment. This equipment includes: absorbing device sprays, it will to be used for intermediary's water return to sprays at the intermediary water -circulating pipe way of absorbing in the space, an alkali lye pond for saving alkali lye, be used for return intermediary's water to before will in spraying the absorption space intermediary's water with alkali lye mixes adds alkali pump, the second outlet, and be used for detecting a pH value detector of the pH value of intermediary's water. Flue gas treatment equipment has the one of at least of following advantage: mesh easy and simple to handle, as to effectively utilize flue gas waste heat and realization desulfurization denitrogenation.
Description
Technical field
The utility model relates to chemical field.Particularly, the utility model relates to fume treatment auxiliary.
Background technology
Flue gas is the mixture of gas and flue dust, and its composition is very complicated, and gas comprises water vapour, SO
2, N
2, O
2, CO, CO
2hydrocarbon and oxynitrides etc., flue dust comprises the ash content of fuel, coal grain, oil droplet and high-temperature split product etc.
But current fume treatment auxiliary still haves much room for improvement.
Utility model content
The utility model is intended at least to solve one of technical problem existed in prior art.For this reason, an object of the present utility model is to provide a kind of fume treatment auxiliary.This fume treatment auxiliary is easy and simple to handle, can effectively utilize fume afterheat, also can carry out desulfurization removing nitric process to flue gas.
It should be noted that, the utility model completes based on the following discovery of inventor:
Inflammable substance containing a large amount of waste heats, can carry out recycling to it in the flue gas of burning generation.Wait material containing a large amount of sulfur-bearings is nitrogenous in flue gas, its direct discharge can cause environmental pollution, so need to carry out desulphurization denitration process to flue gas, to meet standard limit of smog release.
Inventor of the present utility model finds through great many of experiments, flue gas in spray absorber with cooling water counter current contacting to carry out caloic exchange, to obtain waste heat.In addition, also can realize the object of desulfurization removing nitric in advance in spray absorber through the flue gas of oxidation processes.Thus, the fume treatment auxiliary of acquisition have following advantages one of at least: easy and simple to handle, effectively utilize fume afterheat and realize the object of desulfurization removing nitric.
The utility model proposes a kind of fume treatment auxiliary.According to embodiment of the present utility model, this fume treatment auxiliary comprises: spray-absorption device, and described spray-absorption device comprises: body, limits and utilize cooling water to process flue gas to obtain the spray-absorption space of intermediary's water in described body; For supplying the smoke inlet of pending flue gas in described spray-absorption space, described smoke inlet is arranged on the body; For supplying the shower nozzle of cooling water in described spray-absorption space; For collecting intermediary's water collecting region of described intermediary water, described intermediary water collecting region is arranged in described spray-absorption space; With the first row mouth of a river for described intermediary water being discharged described spray-absorption space, the described first row mouth of a river is arranged on body, for described intermediary water being back to the intermediary's water circulation pipe in described spray-absorption space, described intermediary water circulation pipe is connected with described shower nozzle with described discharge outlet respectively, and described intermediary water circulation pipe is provided with water circulating pump; For storing the alkali lye pond of alkali lye; Add alkali pump for what mixed with described alkali lye by described intermediary water before intermediary's water is back to described spray-absorption space, described in add alkali pump and be connected with described intermediary water circulation pipe with described alkali lye pond respectively; The second row mouth of a river, the described second row mouth of a river is arranged on described intermediary water circulation pipe; And for the first pH value detector of the pH value that detects described intermediary water, described first pH value detector is arranged between the described first row mouth of a river and described water circulating pump.Thus, according to the fume treatment auxiliary of the utility model embodiment have following advantages one of at least: easy and simple to handle, effectively utilize fume afterheat and realize the object of desulfurization removing nitric.
According to embodiments of the invention, above-mentioned fume treatment auxiliary can also have following additional technical feature:
According to embodiment of the present utility model, described equipment comprises further: absorption heat pump, and described intermediary water circulation pipe is through described absorption heat pump, and heat supply network water lines, described heat supply network water lines is through described absorption heat pump.Thus, easier operation can be had further according to the equipment of the utility model embodiment, comparatively effectively utilize fume afterheat or realize the object of desulfurization removing nitric.
According to embodiment of the present utility model, described equipment comprises further: for the second pH value detector pH value of described intermediary water and the mixed mixture of described alkali lye detected, and described second pH value detector is arranged on described intermediary water circulation pipe.Thus, easier operation can be had further according to the equipment of the utility model embodiment, comparatively effectively utilize fume afterheat or realize the object of desulfurization removing nitric.
According to embodiment of the present utility model, described spray-absorption device comprises further: demister, and described demister is arranged on the top of described shower nozzle in described body; And exhanst gas outlet, described exhanst gas outlet is arranged on the top of described body.Thus, easier operation can be had further according to the equipment of the utility model embodiment, comparatively effectively utilize fume afterheat or realize the object of desulfurization removing nitric.
According to embodiment of the present utility model, described spray-absorption device comprises multiple shower nozzle, and described multiple shower nozzle circumferentially orientation average is distributed in described spray-absorption space.Thus, easier operation can be had further according to the equipment of the utility model embodiment, comparatively effectively utilize fume afterheat or realize the object of desulfurization removing nitric.
According to embodiment of the present utility model, described equipment comprises further: flue gas feeding pipe, and described flue gas feeding pipe is connected with described smoke inlet; For before described flue gas is supplied to described spray-absorption space, utilize oxidant to carry out pretreated oxidant to described flue gas and add mouth, described oxidant adds mouth and is arranged on described flue gas feeding pipe.Thus, easier operation can be had further according to the equipment of the utility model embodiment, comparatively effectively utilize fume afterheat or realize the object of desulfurization removing nitric.
According to embodiment of the present utility model, described oxidant comprises ozone or hydrogen peroxide.Thus, easier operation can be had further according to the equipment of the utility model embodiment, comparatively effectively utilize fume afterheat or realize the object of desulfurization removing nitric.
According to embodiment of the present utility model, described alkali lye pond is arranged in described spray-absorption space, and is provided with dividing plate between described intermediary water collecting region and described alkali lye pond.Thus, easier operation can be had further according to the equipment of the utility model embodiment, comparatively effectively utilize fume afterheat or realize the object of desulfurization removing nitric.
According to embodiment of the present utility model, described alkali lye pond is arranged on outside described spray-absorption device.Thus, easier operation can be had further according to the equipment of the utility model embodiment, comparatively effectively utilize fume afterheat or realize the object of desulfurization removing nitric.
Additional aspect of the present utility model and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 shows the structural representation of the fume treatment auxiliary according to the utility model embodiment;
Fig. 2 shows the structural representation of the fume treatment auxiliary according to another embodiment of the utility model;
Fig. 3 shows the structural representation of the fume treatment auxiliary according to another embodiment of the utility model;
Fig. 4 shows the structural representation of the fume treatment auxiliary according to another embodiment of the utility model;
Fig. 5 shows the structural representation of the fume treatment auxiliary according to another embodiment of the utility model;
Fig. 6 shows the structural representation of the fume treatment auxiliary according to another embodiment of the utility model;
Fig. 7 shows the structural representation of the fume treatment auxiliary according to another embodiment of the utility model;
Fig. 8 shows the structural representation of the fume treatment auxiliary according to another embodiment of the utility model;
Fig. 9 shows the structural representation of the fume treatment auxiliary according to another embodiment of the utility model;
Figure 10 shows the structural representation of the fume treatment auxiliary according to another embodiment of the utility model;
Figure 11 shows the structural representation of the fume treatment auxiliary according to another embodiment of the utility model;
Figure 12 shows the structural representation of the fume treatment auxiliary according to another embodiment of the utility model; And
Figure 13 shows the structural representation of the fume treatment auxiliary according to another embodiment of the utility model.
Detailed description of the invention
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " on ", D score, " top ", " end ", " circumference " " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In the utility model, unless otherwise clearly defined and limited, term " is connected " and should be interpreted broadly, and such as, can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements, unless otherwise clear and definite restriction.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " can be fisrt feature immediately below second feature or tiltedly below, or only represent that fisrt feature level height is less than second feature.
The utility model proposes a kind of fume treatment auxiliary.According to embodiment of the present utility model, see Fig. 1, this equipment comprises:
Spray-absorption device 100: according to embodiment of the present utility model, this spray-absorption device comprises: body 110, limits and utilize cooling water to process flue gas to obtain the spray-absorption space 120 of intermediary's water in body; For supplying the smoke inlet 130 of pending flue gas in spray-absorption space, smoke inlet is arranged on body; For supplying the shower nozzle 140 of cooling water in spray-absorption space; For collecting intermediary's water collecting region 150 of intermediary's water, intermediary's water collecting region is arranged in spray-absorption space; With the first row mouth of a river 160 for intermediary's water being discharged spray-absorption space, the first row mouth of a river is arranged on body.
For intermediary's water being back to the intermediary's water circulation pipe 200 in spray-absorption space, intermediary's water circulation pipe 200 is connected with shower nozzle 140 with discharge outlet 160 respectively, and intermediary's water circulation pipe is provided with water circulating pump 210.
For storing the alkali lye pond 300 of alkali lye.
Add alkali pump 400 for what mixed with alkali lye by intermediary's water before being back in spray-absorption space by intermediary's water, add alkali pump and be connected with intermediary water circulation pipe 200 with alkali lye pond 300 respectively.
The second row mouth of a river 500, the second row mouth of a river is arranged on intermediary's water circulation pipe 200.
The first pH value detector 600, first pH value detector for detecting the pH value of intermediary's water is arranged between the first row mouth of a river 210 and water circulating pump 400.
Those skilled in the art it is understood that, according to embodiment of the present utility model, cooling water in intermediary's water circulation pipe flows out from top to bottom from shower nozzle, simultaneously, the flue gas entered from smoke inlet in spray-absorption space from bottom to top with cooling water counter current contacting, fully carry out caloic exchange, can effectively reduce flue-gas temperature and water capacity, to obtain intermediary's water.Intermediary's water can be discharged through the first row mouth of a river, and recycling water circulating pump pumps into spray-absorption device.Thus, intermediary's water can be recycled, fully to obtain the waste heat in flue gas.
Owing to containing a large amount of acidic materials in flue gas, the intermediary's water obtained is in acid.In order to ensure to meet the scope entering town sewer pH value of sewage water, meet the requirement of absorption heat pump agency water pH value, the first pH value detector needs to detect the pH value of intermediary's water of being discharged by the first row mouth of a river simultaneously.When the pH value of intermediary's water being detected lower than pH value control range, adding alkali pump and starting, adding the alkali lye in alkali lye pond; When the pH value of intermediary's water reaches pH value control range, stop adding alkali lye.According to concrete example of the present utility model, the pH value of intermediary's water controls 7.0 ~ 9.5.According to another concrete example of the present utility model, alkali lye can directly buy commodity alkali, also can buy solid base, configure voluntarily.Alkali can adopt the highly basic such as NaOH, KOH, also can adopt Na
2cO
3deng weak base.
Containing steam in flue gas, exchange can also obtain condensed water through caloic.Because the liquid level of the generation Hui Shi intermediary water collecting region of condensed water is too high, cause intermediary's water can not carry out caloic exchange with flue gas fully, and then affect the absorption of waste heat.So when the water level of intermediary's water collecting region is higher than the height limited, unnecessary intermediary's water will be disposed to sewage disposal system or recycling by the second row mouth of a river.
According to embodiment of the present utility model, see Fig. 2, this equipment comprises further:
Absorption heat pump 700, intermediary's water circulation pipe is through absorption heat pump; Heat supply network water lines 800, heat supply network water lines passes absorption heat pump.In absorption heat pump, the intermediary's water containing a large amount of waste heat can heat heat supply network water, to make the waste heat of flue gas be fully utilized, and economize energy.Thus, easier operation can be had further according to the equipment of the utility model embodiment, comparatively effectively utilize fume afterheat or realize the object of desulfurization removing nitric.
According to embodiment of the present utility model, see Fig. 3, this equipment comprises further:
For being arranged on intermediary's water circulation pipe the second pH value detector 610, second pH value detector that the pH value of intermediary's water and the mixed mixture of alkali lye is detected.When this fume treatment auxiliary is used for carrying out oxidation sweetening denitration process to flue gas, after the flue gas carrying out oxidation processes in advance enters spray absorber, neutralization reaction can be carried out with mixed liquor, to play the object of desulphurization denitration, second pH value detector carries out pH value mensuration to through intermediary's water and the mixed mixture of alkali lye, can ensure effective generation of neutralization reaction.Thus, the second pH value detector is required to flue gas oxidation sweetening denitration process.Thus, easier operation can be had further according to the equipment of the utility model embodiment, comparatively effectively utilize fume afterheat or realize the object of desulfurization removing nitric.
According to embodiment of the present utility model, see Fig. 4, spray-absorption device comprises further: demister 800, and demister is arranged on the top of shower nozzle in body; And exhanst gas outlet 810, exhanst gas outlet is arranged on the top of body.In spray absorber running, easy generation particle diameter is " mist " of 10 ~ 60 microns, " mist " is not only containing moisture, it is also dissolved with sulfuric acid, sulfate, sulfur dioxide etc., also cause staining and heavy corrosion of blower fan, heat exchanger and flue, so the flue gas be cleaned wanted demist before leaving absorption tower simultaneously.Thus, easier operation can be had further according to the equipment of the utility model embodiment, comparatively effectively utilize fume afterheat or realize the object of desulfurization removing nitric.
According to embodiment of the present utility model, see Fig. 5, spray-absorption device comprises multiple shower nozzle, and multiple shower nozzle circumferentially orientation average is distributed in spray-absorption space.Multiple shower nozzle fully can absorb the waste heat of flue gas, and can play the effect of desulphurization denitration preferably.Thus, easier operation can be had further according to the equipment of the utility model embodiment, comparatively effectively utilize fume afterheat or realize the object of desulfurization removing nitric.
According to embodiment of the present utility model, see Fig. 6, this equipment comprises further: flue gas feeding pipe 131, and flue gas feeding pipe is connected with smoke inlet; For before flue gas is supplied to spray-absorption space, utilize oxidant to carry out pretreated oxidant to flue gas and add mouth 132, oxidant adds mouth and is arranged on flue gas feeding pipe.According to concrete example of the present utility model, oxidant comprises ozone or hydrogen peroxide.Thus, easier operation can be had further according to the equipment of the utility model embodiment, comparatively effectively utilize fume afterheat or realize the object of desulfurization removing nitric.
Not identical for the position in alkali lye pond in Fig. 1 with Fig. 2 ~ 5, those skilled in the art it is understood that, considered critical is not made in the position of the utility model to alkali lye pond, the alkali lye in alkali lye pond just represented on different positions for convenience of description, as long as can play adjust ph effect to the intermediary's water flowed out from discharge outlet.According to a specific embodiment of the present utility model, see Fig. 1, alkali lye pond 300 is arranged on outside spray-absorption device.According to another specific embodiment of the present utility model, see Fig. 7, alkali lye pond 300 is arranged in spray-absorption space, and is provided with dividing plate 310 between intermediary's water collecting region and alkali lye pond.Thus, easier operation can be had further according to the equipment of the utility model embodiment, comparatively effectively utilize fume afterheat or realize the object of desulfurization removing nitric.
According to embodiment of the present utility model, Fig. 8 shows the schematic diagram that fume treatment auxiliary is applied to the recycling of the fume afterheat degree of depth and oxidation sweetening denitration.Thus, easier operation can be had further according to the equipment of the utility model embodiment, comparatively effectively utilize fume afterheat or realize the object of desulfurization removing nitric.
According to embodiment of the present utility model, Fig. 9 shows the schematic diagram that fume treatment auxiliary is applied to the recycling of the fume afterheat degree of depth.Thus, easier operation can be had further according to the equipment of the utility model embodiment, comparatively effectively utilize fume afterheat or realize the object of desulfurization removing nitric.
According to embodiment of the present utility model, Figure 10 shows the schematic diagram that fume treatment auxiliary is applied to the denitration of flue gas oxidation sweetening.Thus, easier operation can be had further according to the equipment of the utility model embodiment, comparatively effectively utilize fume afterheat or realize the object of desulfurization removing nitric.
According to embodiment of the present utility model, Figure 11 shows the schematic diagram that the fume treatment auxiliary being equipped with independent alkali lye pond is applied to the recycling of the fume afterheat degree of depth and oxidation sweetening denitration.Thus, easier operation can be had further according to the equipment of the utility model embodiment, comparatively effectively utilize fume afterheat or realize the object of desulfurization removing nitric.
According to embodiment of the present utility model, Figure 12 shows the schematic diagram that the fume treatment auxiliary being equipped with independent alkali lye pond is applied to the recycling of the fume afterheat degree of depth.Thus, easier operation can be had further according to the equipment of the utility model embodiment, comparatively effectively utilize fume afterheat or realize the object of desulfurization removing nitric.
According to embodiment of the present utility model, Figure 13 shows the schematic diagram that the fume treatment auxiliary being equipped with independent alkali lye pond is applied to the denitration of flue gas oxidation sweetening.Thus, easier operation can be had further according to the equipment of the utility model embodiment, comparatively effectively utilize fume afterheat or realize the object of desulfurization removing nitric.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " example " or " concrete example " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this description or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment, revises, replace and modification in scope of the present utility model.
Claims (9)
1. a fume treatment auxiliary, is characterized in that, comprising:
Spray-absorption device, described spray-absorption device comprises:
Body, limits in described body and utilizes cooling water to process flue gas to obtain the spray-absorption space of intermediary's water;
For supplying the smoke inlet of pending flue gas in described spray-absorption space, described smoke inlet is arranged on the body;
For supplying the shower nozzle of cooling water in described spray-absorption space;
For collecting intermediary's water collecting region of described intermediary water, described intermediary water collecting region is arranged in described spray-absorption space; With
For described intermediary water being discharged the first row mouth of a river in described spray-absorption space, the described first row mouth of a river is arranged on body,
For described intermediary water being back to the intermediary's water circulation pipe in described spray-absorption space, described intermediary water circulation pipe is connected with described shower nozzle with described discharge outlet respectively, and described intermediary water circulation pipe is provided with water circulating pump;
For storing the alkali lye pond of alkali lye;
Add alkali pump for what mixed with described alkali lye by described intermediary water before being back to by intermediary's water in described spray-absorption space, described in add alkali pump and be connected with described intermediary water circulation pipe with described alkali lye pond respectively;
The second row mouth of a river, the described second row mouth of a river is arranged on described intermediary water circulation pipe; And
For detecting the first pH value detector of the pH value of described intermediary water, described first pH value detector is arranged between the described first row mouth of a river and described water circulating pump.
2. fume treatment auxiliary according to claim 1, is characterized in that, comprises further:
Absorption heat pump, described intermediary water circulation pipe passes described absorption heat pump,
Heat supply network water lines, described heat supply network water lines is through described absorption heat pump.
3. fume treatment auxiliary according to claim 1, is characterized in that, comprises further:
For to the second pH value detector pH value of described intermediary water and the mixed mixture of described alkali lye detected, described second pH value detector is arranged on described intermediary water circulation pipe.
4. fume treatment auxiliary according to claim 1, is characterized in that, described spray-absorption device comprises further:
Demister, described demister is arranged on the top of described shower nozzle in described body; And
Exhanst gas outlet, described exhanst gas outlet is arranged on the top of described body.
5. fume treatment auxiliary according to claim 1, is characterized in that, described spray-absorption device comprises multiple shower nozzle, and described multiple shower nozzle circumferentially orientation average is distributed in described spray-absorption space.
6. fume treatment auxiliary according to claim 1, is characterized in that, comprises further:
Flue gas feeding pipe, described flue gas feeding pipe is connected with described smoke inlet;
For before described flue gas is supplied to described spray-absorption space, utilize oxidant to carry out pretreated oxidant to described flue gas and add mouth, described oxidant adds mouth and is arranged on described flue gas feeding pipe.
7. fume treatment auxiliary according to claim 6, is characterized in that, described oxidant comprises ozone or hydrogen peroxide.
8. fume treatment auxiliary according to claim 1, is characterized in that, described alkali lye pond is arranged in described spray-absorption space, and is provided with dividing plate between described intermediary water collecting region and described alkali lye pond.
9. fume treatment auxiliary according to claim 1, is characterized in that, described alkali lye pond is arranged on outside described spray-absorption device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520886722.1U CN205145861U (en) | 2015-11-09 | 2015-11-09 | Flue gas treatment equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520886722.1U CN205145861U (en) | 2015-11-09 | 2015-11-09 | Flue gas treatment equipment |
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| Publication Number | Publication Date |
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| CN205145861U true CN205145861U (en) | 2016-04-13 |
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ID=55681604
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| CN201520886722.1U Active CN205145861U (en) | 2015-11-09 | 2015-11-09 | Flue gas treatment equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107321094A (en) * | 2017-08-31 | 2017-11-07 | 山东博发智能科技有限公司 | A kind of small-sized scattered coal burning boiler coal smoke cleaning system |
| CN114432852A (en) * | 2020-10-16 | 2022-05-06 | 中国石油化工股份有限公司 | Processing system of nitre-containing waste gas |
-
2015
- 2015-11-09 CN CN201520886722.1U patent/CN205145861U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107321094A (en) * | 2017-08-31 | 2017-11-07 | 山东博发智能科技有限公司 | A kind of small-sized scattered coal burning boiler coal smoke cleaning system |
| CN114432852A (en) * | 2020-10-16 | 2022-05-06 | 中国石油化工股份有限公司 | Processing system of nitre-containing waste gas |
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