CN204799098U - Compound desulfurizing tower - Google Patents
Compound desulfurizing tower Download PDFInfo
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- CN204799098U CN204799098U CN201520418644.2U CN201520418644U CN204799098U CN 204799098 U CN204799098 U CN 204799098U CN 201520418644 U CN201520418644 U CN 201520418644U CN 204799098 U CN204799098 U CN 204799098U
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- spray thrower
- water distributing
- distributing tray
- tower
- gas cooler
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Abstract
The utility model relates to a compound desulfurizing tower mainly is applicable to and detaches flue gas water smoke or gypsum droplet in the wet flue gas desulfurization system of power station. Still there is not an operation stable at present, compound desulfurizing tower that long service life, desulfurization defogging can the reinforces. The utility model discloses a cooling tower, first spray thrower and first water distribution dish, the lower part of cooling tower is provided with flue gas inlet, and the top of cooling tower is provided with clean exhanst gas outlet, and first spray thrower and first water distribution dish are all installed in the cooling tower, and its characteristics are: still include baffling board defroster, second spray thrower, second water distribution dish and gas cooler, baffling board defroster, second spray thrower, second water distribution dish and gas cooler are all installed in the cooling tower, down arrange in proper order on clean exhanst gas outlet, baffling board defroster, second spray thrower, second water distribution dish, first spray thrower, first water distribution dish, gas cooler and the flue gas inlet follow. The utility model discloses an operation is stable, long service life, and the desulfurization defogging can the reinforce.
Description
Technical field
The utility model relates to a kind of desulfurizing tower, especially relates to a kind of composite desulfate tower, belongs to field of energy source environment protection, is mainly applicable to remove flue gas water smoke or gypsum droplet in the wet method fume desulfurizing system of power station.
Background technology
Current desulfuration field mainly adopts limestone-gypsum method wet method to carry out flue gas desulfurization, and demister is the visual plant in large coal-fired boiler flue gas desulfurization purification, is arranged on desulfurizing tower top, has used liquid phase droplet entrained in trapping and removing neat stress.General one-level or the two-stage demister of arranging in desulfurizing tower is to reduce desulfurization fume exhaust humidity, but there is high humidity, carry the feature of gypsum droplet due to flue gas after desulfurization, the problem such as fouling, blocking is there is in demister running, service life is short, demist weak effect, have in addition part power plant due to the effect of demister bad, gypsum rain phenomenon can be produced, have impact on plant environment.
In recent years, also occurred the demister that horizontal type, chevron shaped, V-shape, barb type etc. improve, although have and must improve except fog effect, service life is shorter, thisly can not effectively solve the phenomenon such as fouling, blocking from demister improvement in shape.
Utility model content
The purpose of this utility model is to overcome above shortcomings in prior art, and provides a kind of reasonable in design, stable, long service life, the composite desulfate tower that desulfurization demist ability is strong.
The technical scheme in the invention for solving the above technical problem is: this composite desulfate tower comprises cooling tower, first spray thrower and the first water distributing tray, the bottom of described cooling tower is provided with gas approach, the top of this cooling tower is provided with neat stress outlet, described first spray thrower and the first water distributing tray are installed in cooling tower, described first spray thrower is positioned at the top of the first water distributing tray, its design feature is: also comprise deflection plate demister, second spray thrower, second water distributing tray and gas cooler, described deflection plate demister, second spray thrower, second water distributing tray and gas cooler are installed in cooling tower, described neat stress outlet, deflection plate demister, second spray thrower, second water distributing tray, first spray thrower, first water distributing tray, gas cooler and gas approach are arranged in order from top to bottom.
As preferably, composite desulfate tower described in the utility model also comprises flushing water system, described flushing water system comprises sparge pipe and several flooding nozzle, described sparge pipe is distributed in the top of deflection plate demister and gas cooler, flooding nozzle is arranged on sparge pipe, part flooding nozzle and deflection plate demister coordinate, and another part flooding nozzle and gas cooler coordinate.
As preferably, gas cooler described in the utility model is shell-and-tube heat exchanger structure, and the spacing between the heat exchanger tube in this gas cooler is 2 ~ 3 times of baffle spacing in deflection plate demister.
As preferably, the spacing between deflection plate demister described in the utility model and the second spray thrower, the spacing between the second spray thrower and the second water distributing tray, spacing, the spacing between the first spray thrower and the first water distributing tray and the spacing between the first water distributing tray and gas cooler between the second water distributing tray and the first spray thrower are all equal.
As preferably, uniformly on the second water distributing tray described in the utility model and the first water distributing tray be abound with water hole, the rounded structure of described water distributing pore.
As preferably, composite desulfate tower described in the utility model also comprises cooling water system, and described cooling water system comprises cooling water pipe and circulating pump, and described circulating pump is arranged on cooling water pipe, and described gas cooler is connected with cooling water pipe.
As preferably, water distributing pore described in the utility model is evenly distributed on the second water distributing tray and the first water distributing tray.
As preferably, gas cooler described in the utility model comprises three layers of heat exchanger tube be staggered in arrangement.
The utility model compared with prior art, has the following advantages and effect: reasonable in design, easy to maintenance; Realize classification demist, efficiency is high; Not easily block, stable, reliable.Because inner homogeneous is furnished with two-layer spray thrower and water distributing tray, liquid through spray thrower ejection can wash away flue gas, remove the dust granule had in it, washed away the liquid of flue gas on the one hand through the water distribution effect of water distributing tray, be arranged in more uniformly in the horizontal space of tower body, continue the flue gas washing away below more uniformly, carry under one's arms the liquid of dust granule on the other hand after water distributing tray, the dust granule carried under one's arms can be removed, thus become pure liquid, continue to wash away flue gas, improve flush efficiency.
The utility model have employed gas cooler and deflection plate demister, on the one hand, flue gas after desulfurization reduces temperature by gas cooler, saturated wet flue gas is cooled thus separates out a large amount of condensed waters, utilize the condensed water of precipitation and mist droplet to combine and form large droplet, through colliding with cooling water pipe, play the effect that a pretreatment catches large drop; On the other hand, add the number of turns of drop in flue gas, the distance that flue gas containing drop is flowed through increases, thus add the probability that drop clashes into deflection plate, improve drop by the efficiency of supplementary set, realize higher demisting efficiency, flue gas is by after cooler in addition, smoke moisture declines, and flow velocity is more even, and this contributes to the effect strengthening demister more.
Accompanying drawing explanation
Fig. 1 is the structural representation of composite desulfate tower in the utility model embodiment.
Fig. 2 is the structural representation of water distributing tray in the utility model embodiment.
In figure: 1-cooling tower; 2-deflection plate demister; 3-second spray thrower; 4-second water distributing tray; 5-first spray thrower; 6-first water distributing tray; 7-gas cooler; 8-gas approach.
Detailed description of the invention
Below in conjunction with accompanying drawing, also by embodiment, the utility model is described in further detail, and following examples are that the utility model is not limited to following examples to explanation of the present utility model.
Embodiment.
See Fig. 1 to Fig. 2, in the present embodiment, composite desulfate tower comprises cooling tower 1, deflection plate demister 2, second spray thrower 3, second water distributing tray 4, first spray thrower 5, first water distributing tray 6 and gas cooler 7.
In the present embodiment, the bottom of cooling tower 1 is provided with gas approach 8, and the top of this cooling tower 1 is provided with neat stress outlet, and the first spray thrower 5 and the first water distributing tray 6 are installed in cooling tower 1, and the first spray thrower 5 is positioned at the top of the first water distributing tray 6.Deflection plate demister 2, second spray thrower 3, second water distributing tray 4 in the present embodiment and gas cooler 7 are installed in cooling tower 1, and neat stress outlet, deflection plate demister 2, second spray thrower 3, second water distributing tray 4, first spray thrower 5, first water distributing tray 6, gas cooler 7 and gas approach 8 are arranged in order from top to bottom.
Spacing in the present embodiment between deflection plate demister 2 and the second spray thrower 3, the spacing between the second spray thrower 3 and the second water distributing tray 4, the spacing between the second water distributing tray 4 and the first spray thrower 5, the spacing between the first spray thrower 5 and the first water distributing tray 6 and the spacing between the first water distributing tray 6 and gas cooler 7 are usually all equal.
Composite desulfate tower in the present embodiment can also comprise flushing water system, flushing water system comprises sparge pipe and several flooding nozzle, sparge pipe is distributed in the top of deflection plate demister 2 and gas cooler 7, flooding nozzle is arranged on sparge pipe, part flooding nozzle and deflection plate demister 2 coordinate, and another part flooding nozzle and gas cooler 7 coordinate.Flushing water system can be rinsed gas cooler 7 and deflection plate demister 2 in timing, removes the drop accumulated on heat exchanger tube and deflection plate, ensures the stable and high effective operation of equipment.
Composite desulfate tower in the present embodiment can also comprise cooling water system, and cooling water system comprises cooling water pipe and circulating pump, and circulating pump is arranged on cooling water pipe, and gas cooler 7 is connected with cooling water pipe.Cooling water system is positioned at desulfurizing tower outside, is reached the object of flue gas cooling by continuous circulating cooling.
Gas cooler 7 in the present embodiment can be shell-and-tube heat exchanger structure, and the spacing between the heat exchanger tube in this gas cooler 7 is 2 ~ 3 times of baffle spacing in deflection plate demister.Gas cooler 7 generally includes three layers of heat exchanger tube be staggered in arrangement.Uniformly on the second water distributing tray 4 in the present embodiment and the first water distributing tray 6 be abound with water hole, the rounded structure of water distributing pore.Water distributing pore is evenly distributed on the second water distributing tray 4 and the first water distributing tray 6 usually.
Gas cooler 7 in the present embodiment is positioned at the bottom of desulfurizing tower tower body, gas cooler 7 has been evenly arranged two water distributing trays above, a spray thrower is respectively provided with above each water distributing tray, the top of the second spray thrower 3 is then provided with deflection plate demister 2, each water distributing tray is evenly provided with multiple water distributing pore, multiple water distributing pore can roundedly be arranged, flue gas enters tower body from tower body bottom, successively through gas cooler 7, first water distributing tray 6, first spray thrower 5, second water distributing tray 4 and the second spray thrower 3, then after deflection plate demister 2, tower body is flowed out, become pure flue gas.Because inner homogeneous is furnished with two-layer spray thrower and two layers of cloth water pond, liquid through spray thrower ejection can wash away flue gas, remove the dust granule had in it, washed away the liquid of flue gas on the one hand through the water distribution effect of water distributing tray, be arranged in more uniformly in the horizontal space of tower body, continue the flue gas washing away below more uniformly, carry under one's arms the liquid of dust granule on the other hand after water distributing tray, the dust granule carried under one's arms can be removed, thus become pure liquid, continue to wash away flue gas, improve flush efficiency.
In the present embodiment, the course of work of composite desulfate tower is as follows: the flue gas entering desulfurizing tower, by becoming saturated wet flue gas after gypsum spray equipment, enter gas cooler 7, carry out heat exchange with the heat exchanger tube in gas cooler 7 to realize cooling, thus precipitation condensed water, continuous and heat exchanger tube carries out colliding the removal effect reaching large drop, then water distributing tray is passed through, realize high-efficiency desulfurization, finally enter deflection plate demister 2, droplet in flue gas constantly turns in the channel to collide and glue and forms large area liquid film with blade surface, due to Action of Gravity Field, finally drip along blade, clean flue gas is discharged from neat stress outlet.
In addition, it should be noted that, the specific embodiment described in this description, the shape, institute's title of being named etc. of its parts and components can be different, and the above content described in this description is only to the explanation of the utility model structure example.The equivalence change that structure, feature and principle described in all foundation the utility model inventional idea are done or simple change, be included in the protection domain of the utility model patent.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment; only otherwise depart from structure of the present utility model or surmount this scope as defined in the claims, protection domain of the present utility model all should be belonged to.
Claims (8)
1. a composite desulfate tower, comprise cooling tower, first spray thrower and the first water distributing tray, the bottom of described cooling tower is provided with gas approach, the top of this cooling tower is provided with neat stress outlet, described first spray thrower and the first water distributing tray are installed in cooling tower, described first spray thrower is positioned at the top of the first water distributing tray, it is characterized in that: also comprise deflection plate demister, second spray thrower, second water distributing tray and gas cooler, described deflection plate demister, second spray thrower, second water distributing tray and gas cooler are installed in cooling tower, described neat stress outlet, deflection plate demister, second spray thrower, second water distributing tray, first spray thrower, first water distributing tray, gas cooler and gas approach are arranged in order from top to bottom.
2. composite desulfate tower according to claim 1, it is characterized in that: described composite desulfate tower also comprises flushing water system, described flushing water system comprises sparge pipe and several flooding nozzle, described sparge pipe is distributed in the top of deflection plate demister and gas cooler, flooding nozzle is arranged on sparge pipe, part flooding nozzle and deflection plate demister coordinate, and another part flooding nozzle and gas cooler coordinate.
3. composite desulfate tower according to claim 1 and 2, is characterized in that: described gas cooler is shell-and-tube heat exchanger structure, and the spacing between the heat exchanger tube in this gas cooler is 2 ~ 3 times of baffle spacing in deflection plate demister.
4. composite desulfate tower according to claim 1 and 2, is characterized in that: the spacing between described deflection plate demister and the second spray thrower, the spacing between the second spray thrower and the second water distributing tray, spacing, the spacing between the first spray thrower and the first water distributing tray and the spacing between the first water distributing tray and gas cooler between the second water distributing tray and the first spray thrower are all equal.
5. composite desulfate tower according to claim 1 and 2, is characterized in that: uniformly on described second water distributing tray and the first water distributing tray be abound with water hole, the rounded structure of described water distributing pore.
6. composite desulfate tower according to claim 1 and 2, it is characterized in that: described composite desulfate tower also comprises cooling water system, described cooling water system comprises cooling water pipe and circulating pump, and described circulating pump is arranged on cooling water pipe, and described gas cooler is connected with cooling water pipe.
7. composite desulfate tower according to claim 5, is characterized in that: described water distributing pore is evenly distributed on the second water distributing tray and the first water distributing tray.
8. composite desulfate tower according to claim 3, is characterized in that: described gas cooler comprises three layers of heat exchanger tube be staggered in arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520418644.2U CN204799098U (en) | 2015-06-17 | 2015-06-17 | Compound desulfurizing tower |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520418644.2U CN204799098U (en) | 2015-06-17 | 2015-06-17 | Compound desulfurizing tower |
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| CN204799098U true CN204799098U (en) | 2015-11-25 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105688599A (en) * | 2016-02-27 | 2016-06-22 | 马军 | Waste gas treatment device and method |
| CN106000014A (en) * | 2016-08-09 | 2016-10-12 | 顾志龙 | Multifunctional superimposed flue gas deep purification system |
| CN106076094A (en) * | 2016-07-20 | 2016-11-09 | 山东神华山大能源环境有限公司 | A kind of heat exchange liquid collector, desulphurization system and the method for single column Two-way Cycle wet desulphurization |
| CN108557979A (en) * | 2018-05-07 | 2018-09-21 | 西安交通大学 | A kind of high-temperature, high pressure fluid accident bleeder for supercritical water oxidation system |
| CN109012125A (en) * | 2018-09-28 | 2018-12-18 | 山东泰威冶金材料制造有限公司 | A kind of Combustion in High Temperature High Sulfur exhaust gas processing device |
-
2015
- 2015-06-17 CN CN201520418644.2U patent/CN204799098U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105688599A (en) * | 2016-02-27 | 2016-06-22 | 马军 | Waste gas treatment device and method |
| CN106076094A (en) * | 2016-07-20 | 2016-11-09 | 山东神华山大能源环境有限公司 | A kind of heat exchange liquid collector, desulphurization system and the method for single column Two-way Cycle wet desulphurization |
| CN106076094B (en) * | 2016-07-20 | 2019-03-05 | 山东神华山大能源环境有限公司 | A kind of heat exchange liquid collector, desulphurization system and the method for the wet desulphurization of single column Two-way Cycle |
| CN106000014A (en) * | 2016-08-09 | 2016-10-12 | 顾志龙 | Multifunctional superimposed flue gas deep purification system |
| CN106000014B (en) * | 2016-08-09 | 2019-02-15 | 顾志龙 | Multi-functional superposition flue gas advanced purification system |
| CN108557979A (en) * | 2018-05-07 | 2018-09-21 | 西安交通大学 | A kind of high-temperature, high pressure fluid accident bleeder for supercritical water oxidation system |
| CN109012125A (en) * | 2018-09-28 | 2018-12-18 | 山东泰威冶金材料制造有限公司 | A kind of Combustion in High Temperature High Sulfur exhaust gas processing device |
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