CN104764029B - System for directly discharging acid liquor in single-cylinder chimney including landing gas flue - Google Patents

System for directly discharging acid liquor in single-cylinder chimney including landing gas flue Download PDF

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Publication number
CN104764029B
CN104764029B CN201510156774.8A CN201510156774A CN104764029B CN 104764029 B CN104764029 B CN 104764029B CN 201510156774 A CN201510156774 A CN 201510156774A CN 104764029 B CN104764029 B CN 104764029B
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China
Prior art keywords
chimney
acid solution
landing
box
cylinder
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CN201510156774.8A
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Chinese (zh)
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CN104764029A (en
Inventor
柴俊
贾军刚
王敏
宁世龙
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中国能源建设集团山西省电力勘测设计院有限公司
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Priority to CN201510156774.8A priority Critical patent/CN104764029B/en
Publication of CN104764029A publication Critical patent/CN104764029A/en
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Publication of CN104764029B publication Critical patent/CN104764029B/en

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Abstract

The invention discloses a system for directly discharging acid liquor in a single-cylinder chimney including a landing gas flue. The problems in a current single-cylinder chimney zero meter drainage organization with the landing gas flue that ashes are easy to jam and a drainage pipeline is difficult to remove the ashes can be solved by the system. The system comprises a smoke control wall (2), a left landing chimney flue outlet (5), a right landing chimney flue outlet (6), a left manhole door (7), a left linear drainage channel (8), a left acid liquor settling basin (9), a left box-shaped overflow groove (10) and a left drainage pipe (11), wherein the smoke control wall (2) is arranged on the inner bottom surface of a single-cylinder chimney, the left landing chimney flue outlet (5) and the right landing chimney flue outlet (6) are respectively arranged at both sides of the single-cylinder chimney (1), the left manhole door (7) is arranged on the single-cylinder chimney wall between the left landing chimney flue outlet (5) and the smoke control wall (2), the left linear drainage channel (8) is arranged outside the left manhole door (7), the left acid liquor settling basin (9) is arranged outside the left linear drainage channel (8), the left box-shaped overflow groove (10) is arranged on the upper part of the left acid liquor settling basin (9), and a left drainage pipe (11) is arranged in the left box-shaped overflow groove (10). The system is clear in function and especially convenient to operate and maintain.

Description

Flue lands the acid solution direct discharge system of single-drum chimney arranged

Technical field

The present invention relates to the flue of a kind of coal-fired station and land the single-drum chimney arranged, land, particularly to the flue used after a kind of coal-fired station smoke-gas wet desulfurization, the acid solution direct discharge system arranged in single-drum chimney.

Background technology

Single-drum chimney is simple with its construction, and short construction period, the feature that cost is low is selected widely.In order to reduce the pollution to environment, coal-burning power plant's wet desulfurizing process is widely adopted, the harmful components contained by flue gas making power plant discharge are greatly diminished, meanwhile, moisture contained by flue gas can be greatly increased, owing to flue gas is along single-drum chimney uphill process, flue-gas temperature can decline rapidly, when making flue gas the most not discharge single-drum chimney, its temperature has been lower than dew point temperature, substantial amounts of condensation water will be wrapped up in miscellaneous dust and flow in the cylinder of single-drum chimney on zero meter face, the condensation sour water of a large amount of low-temperature flue gas from cylinder head along cylinder inwall downstream to zero meter face, the generally condensation water quantity in chimney reaches several tons.Chimney zero meter face, as single-drum chimney dust stratification and the key position of draining tissue, carries the discharge task of the internal all acid solutions of chimney.Conventional zero meter of draining tissue of single-drum chimney is made up of one-way guide flow ramp, arc-like rows ditch, brick baffle and drainage pipeline four part.Under conventional drainage organization condition, acid solution, then must import in the arc-like rows ditch bottom ramp through one-way guide flow ramp water conservancy diversion downstream to zero meter of chimney through barrel, and connect by drainage pipeline from arc-like rows ditch and draw, and finally discharges chimney.Under such draining tissue, acid solution can not be got rid of outside cylinder in the very first time flowing to zero meter, when flue dust comes together in arc-like rows ditch in a large number with acid solution, flue dust through precipitating easily causes the bottom discharge line clogging of arc-like rows ditch, in addition drainage pipeline path length, dredging difficulty, will certainly affect draining, makes zero meter of draining tissue system there is the hidden danger of paralysis.In order to solve this problem, prior art typically uses two kinds of methods, one is to arrange bypass flue on single-drum chimney, to guide to the flue gas reducing temperature is heated by single-drum chimney without the high-temperature flue gas of wet desulfurizing process, this method is not comprehended air generation pollution due to the high-temperature flue gas introduced at desulfurization, is halted by environmental administration.Another kind of method is by increasing flue gas equipment, the flue gas through wet desulfurizing process but being also introduced into single-drum chimney is heated, it is big to there is investment in this method, take the shortcoming that ground space is big, cannot realize in particular for the occasion making full use of effective stack height and investment reduction cost.

Summary of the invention

The invention provides a kind of flue and land the acid solution direct discharge system of single-drum chimney arranged, solve existing flue and land flue dust in the zero meter of draining tissue of single-drum chimney arranged and easily block the technical problem big with the deashing difficulty of drainage pipeline.

The present invention is to solve above technical problem by the following technical programs:

A kind of flue lands the acid solution direct discharge system of single-drum chimney arranged, including single-drum chimney barrel, single-drum chimney cylinder inner bottom surface is provided with brick baffle, it is respectively arranged with a left side in the both sides of single-drum chimney barrel and lands floss hole and floss hole is landed on the right side, it is provided with left manhole door on the single-drum chimney barrel between floss hole and brick baffle is landed on a left side, left straight line drainage channel it is provided with in the outside of left manhole door, the outside of left straight line drainage channel is provided with left acid solution sedimentation tank, the top of left acid solution sedimentation tank is provided with left box-shaped overflow launder, it is provided with left bank water pipe in left box-shaped overflow launder;It is provided with right manhole door on the single-drum chimney barrel between floss hole and brick baffle is landed on the right side, right straight line drainage channel it is provided with in the outside of right manhole door, the outside of right straight line drainage channel is provided with right acid solution sedimentation tank, the top of right acid solution sedimentation tank is provided with right box-shaped overflow launder, in right box-shaped overflow launder, is provided with right drain pipe.

The gradient on the left back half range ground of single-drum chimney cylinder inner bottom surface is 30%, and the gradient on the right front half range ground of single-drum chimney cylinder inner bottom surface is 30%.

The acid solution direct discharge system function of the present invention is distinct, economy and facility, and construction is succinct, and quality easily ensures, particularly convenient operation maintenance.

Accompanying drawing explanation

Fig. 1 is the structural representation of the present invention;

Fig. 2 is that the A-A in Fig. 1 is to sectional view;

Fig. 3 is the sectional view on the B--B direction in Fig. 1.

Detailed description of the invention

The present invention is described in detail below in conjunction with the accompanying drawings:

A kind of flue lands the acid solution direct discharge system of single-drum chimney arranged, including single-drum chimney barrel 1, single-drum chimney cylinder inner bottom surface is provided with brick baffle 2, it is respectively arranged with a left side in the both sides of single-drum chimney barrel 1 and lands floss hole 5 and floss hole 6 is landed on the right side, it is provided with left manhole door 7 on the single-drum chimney barrel 1 between floss hole 5 and brick baffle 2 is landed on a left side, the outside of left manhole door 7 is provided with left straight line drainage channel 8, the outside of left straight line drainage channel 8 is provided with left acid solution sedimentation tank 9, the top of left acid solution sedimentation tank 9 is provided with left box-shaped overflow launder 10, it is provided with left bank water pipe 11 in left box-shaped overflow launder 10;It is provided with right manhole door 12 on the single-drum chimney barrel 1 between floss hole 6 and brick baffle 2 is landed on the right side, the outside of right manhole door 12 is provided with right straight line drainage channel 13, the outside of right straight line drainage channel 13 is provided with right acid solution sedimentation tank 14, the top of right acid solution sedimentation tank 14 is provided with right box-shaped overflow launder 15, right box-shaped overflow launder 15 is provided with right drain pipe 16.

The gradient on the left back half range ground 3 of single-drum chimney cylinder inner bottom surface is 30%, and the gradient on the right front half range ground 4 of single-drum chimney cylinder inner bottom surface is 30%.

Along single-drum chimney barrel 1 downstream to the acid solution of zero meter of chimney, respectively by the effective water conservancy diversion in left back half range ground 3 or right front one-way guide flow ramp, half range ground 4, quickly pass through in the straight line drainage channel of the bottom that manhole door flows into one-way guide flow ramp, to the acid solution sedimentation tank outside chimney.Acid solution constantly collects coalescence in acid solution sedimentation tank and starts precipitation, solid is sunk and liquid floating, when the liquid level in acid solution sedimentation tank reaches box-shaped overflow launder upper edge hole place height, sour water then natural overflow in top is in box-shaped overflow launder, and connect through the drainage pipeline of box-shaped isopipe root and to drain, the mortar of acid solution sedimentation tank middle and lower part then has for clearance.

The enforcement step of the present invention is:

The first step, after single-drum chimney and brick baffle foundation construction complete, basis is carried out element earthen backfill compaction in layers;

Second step, carry out with armored concrete brick baffle one-piece casting construction;

3rd step, carry out zero meter surface construction, and use white lime slag sloping, with brick baffle as boundary so that it is form one-way guide flow ramp, the gradient 30% respectively;

4th step, it is initial with one-way guide flow ramp minimum point, forms straight line drainage channel extending to outside chimney with concreting;

5th step, at chimney outside ground excavation and form acid solution sedimentation tank with concreting, be connected with straight line drainage channel;

6th step, in acid solution sedimentation tank far-end corner, with concreting formed cantilever box-shaped overflow launder, the base plate of box-shaped overflow launder exceeds acid solution sedimentation tank base plate 1 meter;

7th step, drain pipe is set in box-shaped overflow launder.

Claims (2)

1. a flue lands the acid solution direct discharge system of the single-drum chimney arranged, including single-drum chimney barrel (1), single-drum chimney cylinder inner bottom surface is provided with brick baffle (2), it is respectively arranged with a left side in the both sides of single-drum chimney barrel (1) and lands floss hole (5) and floss hole (6) is landed on the right side, it is characterized in that, it is provided with left manhole door (7) on the single-drum chimney barrel (1) between floss hole (5) and brick baffle (2) is landed on a left side, left straight line drainage channel (8) it is provided with in the outside of left manhole door (7), the outside of left straight line drainage channel (8) is provided with left acid solution sedimentation tank (9), the top of left acid solution sedimentation tank (9) is provided with left box-shaped overflow launder (10), it is provided with left bank water pipe (11) in left box-shaped overflow launder (10);It is provided with right manhole door (12) on the single-drum chimney barrel (1) between floss hole (6) and brick baffle (2) is landed on the right side, right straight line drainage channel (13) it is provided with in the outside of right manhole door (12), the outside of right straight line drainage channel (13) is provided with right acid solution sedimentation tank (14), the top of right acid solution sedimentation tank (14) is provided with right box-shaped overflow launder (15), in right box-shaped overflow launder (15), is provided with right drain pipe (16).
A kind of flue the most according to claim 1 lands the acid solution direct discharge system of single-drum chimney arranged, it is characterized in that, the gradient of the left back half range ground (3) of single-drum chimney cylinder inner bottom surface is 30%, and the gradient on the right front half range ground (4) of single-drum chimney cylinder inner bottom surface is 30%.
CN201510156774.8A 2015-04-03 2015-04-03 System for directly discharging acid liquor in single-cylinder chimney including landing gas flue CN104764029B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510156774.8A CN104764029B (en) 2015-04-03 2015-04-03 System for directly discharging acid liquor in single-cylinder chimney including landing gas flue

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510156774.8A CN104764029B (en) 2015-04-03 2015-04-03 System for directly discharging acid liquor in single-cylinder chimney including landing gas flue

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CN104764029A CN104764029A (en) 2015-07-08
CN104764029B true CN104764029B (en) 2017-01-11

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Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0319346B2 (en) * 1984-04-11 1991-03-14 Nippon Kokan Kk
CN201058265Y (en) * 2007-07-12 2008-05-14 李士增 Wet-type hydrologic cycle apparatus for sulphur removing and dust removing
CN101549235B (en) * 2009-05-12 2011-04-20 孙树人 Conjoined wet-type dust cleaning and desulfurizing device
CN202289846U (en) * 2011-08-29 2012-07-04 新疆电力设计院 Convex ridge guide plate arranged in wet sulfur removal process chimney
CN203687066U (en) * 2013-12-06 2014-07-02 重庆市炬泉环保工程有限公司 Environment-friendly chimney with dust removal function
CN103697485B (en) * 2013-12-26 2015-12-02 希柯环保设备(上海)有限公司 Chimney overhead receives row's condensate liquid filter bowl device
CN204593421U (en) * 2015-04-03 2015-08-26 中国能源建设集团山西省电力勘测设计院有限公司 Flue lands the acid solution direct discharge system of single-drum chimney arranged

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