CN107162302A - It is a kind of that chimney can be condensed to the method that Sewage treatment is utilized - Google Patents

It is a kind of that chimney can be condensed to the method that Sewage treatment is utilized Download PDF

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Publication number
CN107162302A
CN107162302A CN201710468124.6A CN201710468124A CN107162302A CN 107162302 A CN107162302 A CN 107162302A CN 201710468124 A CN201710468124 A CN 201710468124A CN 107162302 A CN107162302 A CN 107162302A
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CN
China
Prior art keywords
liquid
chimney
utilized
sewage treatment
standby
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710468124.6A
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Chinese (zh)
Inventor
薛庆峰
杨学财
郑徐洲
陈辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lin Huan Coking Limited-Liability Co
Linhuan Coking and Chemical Co Ltd
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Lin Huan Coking Limited-Liability Co
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Publication date
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Priority to CN201710468124.6A priority Critical patent/CN107162302A/en
Publication of CN107162302A publication Critical patent/CN107162302A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water, or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/02Treatment of water, waste water, or sewage by heating
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • C02F1/283Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/50Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • C02F1/5245Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5281Installations for water purification using chemical agents
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/66Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F2001/007Processes including a sedimentation step
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/02Temperature
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/06Controlling or monitoring parameters in water treatment pH
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/08Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00General aspects of water treatment
    • C02F2301/08Multistage treatments, e.g. repetition of the same process step under different conditions
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/02Odour removal or prevention of malodour

Abstract

Technical field is utilized the present invention relates to chimney condensation Sewage treatment, and discloses a kind of method that chimney condensation Sewage treatment can be utilized, is comprised the following steps:1)Coke oven chimney condensation waste water is all discharged into standing pond by pipeline, supernatant liquor is drained into filtering ponds by standing after 30 60 minutes, then by pipeline, with standby;2)To step 1)In liquid in add inorganic precipitant hydroxide, first with grid remove large granular impurity, recycle filter carry out secondary filter, and by liquid through import regulating reservoir, with standby.This can condense chimney the method that Sewage treatment is utilized; coke oven chimney condensation waste water is all drained into quenching pond, is recycled for coke wet quenching, realizes wastewater zero discharge target; both the water quality of external environment condition, and the water resource that will continuously save preciousness had been protected.

Description

It is a kind of that chimney can be condensed to the method that Sewage treatment is utilized
Technical field
Technical field is utilized the present invention relates to chimney condensation Sewage treatment, chimney can be condensed Sewage treatment by specially one kind The method utilized.
Background technology
The main function of chimney is the cigarette that puts a chimney on the stove and make the fire draw, and drains flue gas, improves burning condition.Stack effect:Inside skyscraper The vertical hoistway such as the general staircase, exhausting duct, air delivery duct, smokejack, elevator and the piping shaft that set quantity not wait, works as interior When temperature is higher than outdoor temperature, indoor hot-air is small because of density, just rises naturally along these vertical channels, through door and window gap And various holes ooze out from high-level partial, outdoor cold air is big because of density, is penetrated into and supplemented by low layer, this just forms stack effect.
Coking workshop COD, nitrogen oxides in water quality monitoring because of chimney condensed water(NOx)It is exceeded with pH value etc., if waste water Directly enter through pump drainage in external environment condition, severe contamination can be caused to the water quality in external environment condition, be unfavorable for environmental protection, and sternly Weight waste water resource, so chimney can be condensed to the method that Sewage treatment is utilized we have proposed a kind of, to solve asking for the above Topic.
The content of the invention
(One)The technical problem of solution
In view of the shortcomings of the prior art, chimney can be condensed to the method that Sewage treatment is utilized the invention provides a kind of, possesses useless Water zero discharge, had both protected the water quality of external environment condition, and the advantages of by the water resource for continuously having saved preciousness, solved Coking workshop COD, nitrogen oxides in water quality monitoring because of chimney condensed water(NOx)It is exceeded with pH value etc., if waste water is directly through taking out Discharge into external environment condition, severe contamination can be caused to the water quality in external environment condition, be unfavorable for environmental protection, and serious waste water The problem of resource.
(Two)Technical scheme
To realize above-mentioned wastewater zero discharge, the water quality of external environment condition, and the water that will continuously save preciousness had both been protected The purposes such as resource, the present invention provides following technical scheme:It is a kind of that chimney can be condensed to the method that Sewage treatment is utilized including following Step:
1)Coke oven chimney condensation waste water is all discharged into standing pond by pipeline, after standing 30-60 minutes, then will be upper by pipeline Layer clear liquid is drained into filtering ponds, with standby;
2)To step 1)In liquid in add inorganic precipitant hydroxide, first with grid remove large granular impurity, then profit Secondary filter is carried out with filter, and by liquid through importing regulating reservoir, with standby;
3)To step 2)In liquid in addition flocculant and aluminium salt, utilize mixer being imported into by outflow end in stirring pool Stir and add calcium hydroxide slurry thereto, stirring stands 10-15 minutes after 15-20 minutes, with standby;
4)By step 3)In liquid be transferred to the sedimentation basin of inclined bottom surface, manual cleaning bottom residual after standing 10-12 hour Solid particle, then adds activated carbon and is aerated 1-2 hours, with standby thereto;
5)By step 4)In liquid imported into heating bath, in the environment of 180-300 DEG C heat 20-30 minutes, Ran Houzai It imported into open dug reservoir and adds disinfectant powder and PH conditioning agents thereto, quenching is imported into again when fluid temperature recovers normal temperature In pond.
It is preferred that, the pipeline is installed by the way of setting up, and the outside of pipeline is coated with and is enclosed with anticorrosion insulating layer.
It is preferred that, in the step 3)Sedimentation basin in stirring and add calcium hydroxide slurry detailed process:First to heavy Shallow lake adds calcium hydroxide slurry in pond, quick stirring 5-8 minute, in stirring at low speed 10-12 minutes, is weighed later every 0.5 hour Equivalent calcium hydroxide slurry is added again, and control addition number of times is at 3-5 times.
It is preferred that, in the open dug reservoir, the water quality of liquid, water, ph values and temperature are adjusted, and remove liquid The suspension on surface.
It is preferred that, anticorrosion and liquid-leakage preventing processing are carried out at the discharge of pipes mouth importeding into before the quenching pond.
(Three)Beneficial effect
Compared with prior art, chimney can be condensed the method that utilize of Sewage treatment the invention provides a kind of, possessing following has Beneficial effect:
1st, this can condense chimney the method that Sewage treatment is utilized, and coke oven chimney condensation waste water is all drained into quenching pond, supplied Coke wet quenching is recycled, and is realized wastewater zero discharge target, has both been protected the water quality of external environment condition, will continuously save again Valuable water resource.
2nd, this can condense chimney the method that Sewage treatment is utilized, and be by adding flocculant and aluminium salt etc., then by one Most impurity, peculiar smell and harmful element in waste water are removed after the processing such as standing, precipitation, the adsorbent heating of row, and it is flat Weigh pH value, it is to avoid the hardware facility such as corrosion pipeline, reduces cost payout and will not have during for coke wet quenching because heated Malicious pernicious gas.
Brief description of the drawings
Brief description is made to the content expressed by each accompanying drawing of this specification and the mark in figure below.
Fig. 1 is that chimney condensation Sewage treatment utilizes project reconstruction schematic diagram.
Embodiment
Below in conjunction with embodiments of the invention, the technical scheme in the embodiment of the present invention is clearly and completely retouched State, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on the present invention In embodiment, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made Example, belongs to the scope of protection of the invention.
It is a kind of that chimney can be condensed to the method that Sewage treatment is utilized, comprise the following steps:
1)Coke oven chimney condensation waste water is all discharged into standing pond by pipeline, after standing 30-60 minutes, then will be upper by pipeline Layer clear liquid is drained into filtering ponds, with standby;
2)To step 1)In liquid in add inorganic precipitant hydroxide, first with grid remove large granular impurity, then profit Secondary filter is carried out with filter, and by liquid through importing regulating reservoir, with standby;
3)To step 2)In liquid in addition flocculant and aluminium salt, utilize mixer being imported into by outflow end in stirring pool Stir and add calcium hydroxide slurry thereto, stirring stands 10-15 minutes after 15-20 minutes, with standby;
4)By step 3)In liquid be transferred to the sedimentation basin of inclined bottom surface, manual cleaning bottom residual after standing 10-12 hour Solid particle, then adds activated carbon and is aerated 1-2 hours, with standby thereto;
5)By step 4)In liquid imported into heating bath, in the environment of 180-300 DEG C heat 20-30 minutes, Ran Houzai It imported into open dug reservoir and adds disinfectant powder and PH conditioning agents thereto, quenching is imported into again when fluid temperature recovers normal temperature In pond.
In the present invention, pipeline is installed by the way of setting up, and the outside of pipeline is coated with and is enclosed with anticorrosion insulating layer.
In the present invention, in step 3)Sedimentation basin in stirring and add calcium hydroxide slurry detailed process:First to precipitation Calcium hydroxide slurry is added in pond, quick stirring 5-8 minute, in stirring at low speed 10-12 minutes, hour every 0.5 repeatedly later Equivalent calcium hydroxide slurry is added, control addition number of times is at 3-5 times.
In the present invention, in open dug reservoir, the water quality of liquid, water, ph values and temperature are adjusted, and remove liquid table The suspension in face.
In the present invention, anticorrosion and liquid-leakage preventing processing are carried out at the discharge of pipes mouth importeding into before quenching pond.
In the present invention, coke oven chimney condensation waste water is all drained into quenching pond, recycles, realizes useless for coke wet quenching Water zero discharge target, had both protected the water quality of external environment condition, and the water resource that will continuously save preciousness.
In the present invention, by adding flocculant and aluminium salt etc., then by a series of standing, precipitation, adsorbent heating etc. Most impurity, peculiar smell and harmful element in waste water are removed after processing, and equilibrated ph value, it is to avoid the hardware such as corrosion pipeline is set Apply, reduce cost payout and will not produce toxic and harmful gas because heated during for coke wet quenching.
The some concrete countermeasures that chimney condensation Sewage treatment is utilized:
1st, the original pump drainage waste plant of coke oven chimney is checked;
2nd, accessory needed for installing;
3rd, construction team installs safely, and carries out corrosion-resistant thermal insulation to equipment pipe;
4th, the safety of high original power cable operation, the power supply of production facility is not influenceed, to chimney inspection shaft pump power cable section Transformed, first wife is put and diffuses the circuit with coal tower blowing power distribution cabinet in tedge, the auxiliary for being changed to four cart switchgear houses is matched somebody with somebody In electric cabinet, to ensure the safety of operation;
5th, it is strict to engineering project to check and accept;
6th, trial operation is carried out, equipment, the reliability of pipeline is further verified.
The beneficial effects of the invention are as follows:Coke oven chimney condensation waste water is all drained into quenching pond, made for coke wet quenching circulation With realizing wastewater zero discharge target, both protected the water quality of external environment condition, and will continuously save the water money of preciousness Source.
It will be given up by adding flocculant and aluminium salt etc., then after the processing such as a series of standing, precipitation, adsorbent heating Most impurity, peculiar smell and harmful element are removed in water, and equilibrated ph value, it is to avoid the hardware facility such as corrosion pipeline, are reduced into This expenditure and for that will not produce toxic and harmful gas because heated during coke wet quenching, solve coking workshop because of chimney condensed water COD, nitrogen oxides in water quality monitoring(NOx)It is exceeded with pH value etc., can be right if waste water directly enters in external environment condition through pump drainage Water quality in external environment condition causes severe contamination, is unfavorable for environmental protection, and the problem of serious waste water resource.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.

Claims (5)

1. a kind of can condense chimney the method that Sewage treatment is utilized, it is characterised in that comprise the following steps:
1)Coke oven chimney condensation waste water is all discharged into standing pond by pipeline, after standing 30-60 minutes, then will be upper by pipeline Layer clear liquid is drained into filtering ponds, with standby;
2)To step 1)In liquid in add inorganic precipitant hydroxide, first with grid remove large granular impurity, then profit Secondary filter is carried out with filter, and by liquid through importing regulating reservoir, with standby;
3)To step 2)In liquid in addition flocculant and aluminium salt, utilize mixer being imported into by outflow end in stirring pool Stir and add calcium hydroxide slurry thereto, stirring stands 10-15 minutes after 15-20 minutes, with standby;
4)By step 3)In liquid be transferred to the sedimentation basin of inclined bottom surface, manual cleaning bottom residual after standing 10-12 hour Solid particle, then adds activated carbon and is aerated 1-2 hours, with standby thereto;
5)By step 4)In liquid imported into heating bath, in the environment of 180-300 DEG C heat 20-30 minutes, Ran Houzai It imported into open dug reservoir and adds disinfectant powder and PH conditioning agents thereto, quenching is imported into again when fluid temperature recovers normal temperature In pond.
2. a kind of method that chimney condensation Sewage treatment can be utilized according to claim 1, it is characterised in that the pipe Road is installed by the way of setting up, and the outside of pipeline is coated with and is enclosed with anticorrosion insulating layer.
3. a kind of method that chimney condensation Sewage treatment can be utilized according to claim 1, it is characterised in that described Step 3)Sedimentation basin in stirring and add calcium hydroxide slurry detailed process:Calcium hydroxide slurry is first added into sedimentation basin Liquid, quick stirring 5-8 minute, in stirring at low speed 10-12 minute, repeatedly added equivalent calcium hydroxide slurry every 0.5 hour later Liquid, control addition number of times is at 3-5 times.
4. a kind of method that chimney condensation Sewage treatment can be utilized according to claim 1, it is characterised in that the dew In its pond, the water quality of liquid, water, ph values and temperature are adjusted, and remove the suspension of liquid surface.
5. a kind of method that chimney condensation Sewage treatment can be utilized according to claim 1, it is characterised in that importing Carried out at discharge of pipes mouthful before to the quenching pond at anticorrosion and liquid-leakage preventing.
CN201710468124.6A 2017-06-20 2017-06-20 It is a kind of that chimney can be condensed to the method that Sewage treatment is utilized Pending CN107162302A (en)

Priority Applications (1)

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CN201710468124.6A CN107162302A (en) 2017-06-20 2017-06-20 It is a kind of that chimney can be condensed to the method that Sewage treatment is utilized

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CN201710468124.6A CN107162302A (en) 2017-06-20 2017-06-20 It is a kind of that chimney can be condensed to the method that Sewage treatment is utilized

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CN107162302A true CN107162302A (en) 2017-09-15

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102311189A (en) * 2011-08-12 2012-01-11 马前 System for treatment of acid mine drainage and resource recovery of iron, aluminum, copper and zinc in drainage
CN103708649A (en) * 2013-12-30 2014-04-09 河南省邦源环保工程有限公司 Method for processing wastewater containing lead by combining flocculent precipitation with adsorption filtration
CN103880238A (en) * 2013-10-15 2014-06-25 光大环保(中国)有限公司 Device and method for treating condensed water of flue gas

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102311189A (en) * 2011-08-12 2012-01-11 马前 System for treatment of acid mine drainage and resource recovery of iron, aluminum, copper and zinc in drainage
CN103880238A (en) * 2013-10-15 2014-06-25 光大环保(中国)有限公司 Device and method for treating condensed water of flue gas
CN103708649A (en) * 2013-12-30 2014-04-09 河南省邦源环保工程有限公司 Method for processing wastewater containing lead by combining flocculent precipitation with adsorption filtration

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
朱亦仁 编著: "《环境污染治理技术》", 31 August 2008 *
纪轩 主编: "《污水处理工必读》", 30 December 2004 *

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Application publication date: 20170915