CN104341087A - Method for treating coking and biochemical sludge - Google Patents
Method for treating coking and biochemical sludge Download PDFInfo
- Publication number
- CN104341087A CN104341087A CN201410599182.9A CN201410599182A CN104341087A CN 104341087 A CN104341087 A CN 104341087A CN 201410599182 A CN201410599182 A CN 201410599182A CN 104341087 A CN104341087 A CN 104341087A
- Authority
- CN
- China
- Prior art keywords
- sludge slurry
- sludge
- dust removal
- ash
- environmental dust
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- 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.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/06—Sludge reduction, e.g. by lysis
Abstract
The invention discloses a method for treating coking and biochemical sludge and belongs to the technical field of resource recycling and reusing. The method comprises the following steps of concentrating the residual sludge discharged from a backflow sedimentation tank and a secondary sedimentation tank; delivering the concentrated sludge into a sewage well to prevent the sludge from being hardened; collecting environment dust-removing dust; spraying the sludge to the environment dust-removing dust to humidify the environment dust-removing dust; delivering the sprayed and humidified environment dust-removing dust to a coal preparation belt. By the method for treating the coking and biochemical sludge, the problem that the biochemical sludge is difficultly treated is solved.
Description
Technical field
The present invention relates to resource reclaim reutilization technology field, particularly a kind for the treatment of process of coking biochemical sludge slurry.
Background technology
In carbonization of coal industry, coke-oven plant is in the process of process biochemical sewage, microorganism in active sludge constantly consumes the organism in sewage, in the organism be consumed, a part is oxidized with the energy provided needed for microbial life, and another part is then utilized by microorganism and synthesizes new tenuigenin, thus microorganism is multiplied, but also can some is aging or dead while microbial metabolism, therefore create mud.
The mud produced by sludge slurry in sewage treatment process is solid waste, if process bad, will inevitably cause serious secondary pollution to environment, not only polluted-water, soil, harm environment, but also a large amount of valuable resource of waste.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind for the treatment of process solving the coking biochemical sludge slurry of the problem of biochemical sludge difficult treatment.
For solving the problems of the technologies described above, the invention provides a kind for the treatment of process of coking biochemical sludge slurry, comprising the excess sludge slurry of reflux sedimentation tank and second pond being discharged and concentrating; Sludge slurry after concentrated is sent into sewer catch basin, prevents sludge slurry from hardening; Collect environment dedusting ash; With sludge slurry, sprinkling humidification is carried out to environmental dust removal ash; Environmental dust removal ash after spraying humidification is delivered on coal blending belt.
Further, the excess sludge slurry that described reflux sedimentation tank and second pond are discharged, carries out the concentrated excess sludge comprised settling tank and second pond are discharged and starches by pump delivery to sludge thickener.
Further, the excess sludge slurry that described settling tank and second pond are discharged comprises sludge slurry by pump delivery to sludge thickener and concentrates in sludge thickener, and the supernatant liquor after separation is collected through effluent trough, and gets back to phenol well through pipeline self and carry out reprocessing.
Further, described concentrated after sludge slurry send into sewer catch basin, prevent from sludge slurry from hardening comprising concentrated after sludge slurry through pipeline send into by hydrostaticpressure concentrated after sewer catch basin, stirrer is set in sewer catch basin, prevents sludge slurry from hardening.
Further, described collection environment dedusting ash comprise by needs return join environmental dust removal ash by suction vehicle force feed to dedusting ash storage bin, deliver to continous way colter mixer through totally-enclosed quantitative worm conveyor.
Further, described sludge slurry to environmental dust removal ash carry out sprinkling humidification comprise sludge slurry directly by Cemented filling to medial launder, then deliver to continous way colter mixer, sprinkling humidification carried out to environmental dust removal ash.
Further, be describedly delivered to spraying the ash of the environmental dust removal after humidification coal blending belt comprises the ash of the environmental dust removal after by sludge slurry humidification be transported to coal blending belt by closed scraper transfer roller.
The treatment process of coking biochemical sludge slurry provided by the invention is the excess sludge slurry of reflux sedimentation tank and second pond being discharged, concentrate, sludge slurry after concentrated sends into sewer catch basin, prevent sludge slurry from hardening, collect environment dedusting ash, sludge slurry carries out sprinkling humidification to environmental dust removal ash, sludge slurry is utilized to carry out humidification to environmental dust removal ash, environmental dust removal ash is avoided to produce airborne dust, realize the pollution-free adapted of environmental dust removal ash, environmental dust removal ash after spraying humidification is delivered on coal blending belt, solves the problem of biochemical sludge difficult treatment, saved resource.
Accompanying drawing explanation
The schematic flow sheet of the treatment process of the coking biochemical sludge slurry that Fig. 1 provides for the embodiment of the present invention.
Embodiment
The treatment process of coking biochemical sludge slurry provided by the invention is the excess sludge slurry of reflux sedimentation tank and second pond being discharged, concentrate, sludge slurry after concentrated sends into sewer catch basin, prevent sludge slurry from hardening, collect environment dedusting ash, sludge slurry carries out sprinkling humidification to environmental dust removal ash, sludge slurry is utilized to carry out humidification to environmental dust removal ash, environmental dust removal ash is avoided to produce airborne dust, realize the pollution-free adapted of environmental dust removal ash, environmental dust removal ash after spraying humidification is delivered on coal blending belt, solves the problem of biochemical sludge difficult treatment, saved resource.
Embodiment one
See Fig. 1, the treatment process of a kind of coking biochemical sludge slurry that the embodiment of the present invention provides, comprising:
Step 110: the excess sludge slurry of reflux sedimentation tank and second pond being discharged concentrates;
Step 120: the sludge slurry after concentrated is sent into sewer catch basin, prevents sludge slurry from hardening;
Step 130: collect environment dedusting ash;
Step 140: sprinkling humidification is carried out to environmental dust removal ash with sludge slurry;
Step 150: the environmental dust removal ash after spraying humidification is delivered on coal blending belt.
Introduce the embodiment of the present invention in order to clearer, be explained from each step below.
Step 110: the excess sludge slurry of reflux sedimentation tank and second pond being discharged concentrates;
Specifically, step 110 comprises the excess sludge slurry of described reflux sedimentation tank and second pond discharge, carries out the concentrated excess sludge comprised settling tank and second pond are discharged and starches by pump delivery to sludge thickener.The excess sludge slurry that described settling tank and second pond are discharged comprises sludge slurry by pump delivery to sludge thickener and concentrates in sludge thickener, and the supernatant liquor after separation is collected through effluent trough, and gets back to phenol well through pipeline self and carry out reprocessing.
Step 120: the sludge slurry after concentrated is sent into sewer catch basin, prevents sludge slurry from hardening;
Specifically, the sludge slurry after step 120 comprises described concentrating sends into sewer catch basin, prevents sludge slurry from hardening and comprises the sewer catch basin after pipeline concentrates by hydrostaticpressure feeding of the sludge slurry after concentrating, arrange stirrer, prevent sludge slurry from hardening in sewer catch basin.
Step 130: collect environment dedusting ash;
Specifically, step 130 comprise described collection environment dedusting ash comprise by needs return join environmental dust removal ash by suction vehicle force feed to dedusting ash storage bin, deliver to continous way colter mixer through totally-enclosed quantitative worm conveyor.
Step 140: sprinkling humidification is carried out to environmental dust removal ash with sludge slurry;
Specifically, step 140 comprise described sludge slurry to environmental dust removal ash carry out sprinkling humidification comprise sludge slurry directly by Cemented filling to medial launder, then deliver to continous way colter mixer, sprinkling humidification carried out to environmental dust removal ash.
Step 150: the environmental dust removal ash after spraying humidification is delivered on coal blending belt;
Specifically, step 150 comprises and is describedly delivered to spraying the ash of the environmental dust removal after humidification coal blending belt comprises the ash of the environmental dust removal after by sludge slurry humidification is transported to coal blending belt by closed scraper transfer roller.
Embodiment two
Introduce the embodiment of the present invention in order to clearer, introduced from the specific embodiment of the embodiment of the present invention below.
Coke-oven plant is in the process of process biochemical sewage, the excess sludge slurry that reflux sedimentation tank and second pond are discharged, by being pumped into sludge thickener, sludge slurry is concentrated in concentration basin, supernatant liquor after separation is collected through effluent trough, and gets back to other phenol wells through pipeline self and carry out reprocessing.Sludge slurry after concentrated is sewer catch basin after pipeline is concentrated by hydrostaticpressure feeding, establishes stirrer to prevent mud from hardening in sewer catch basin.
In addition, dry coke quenching is that (oven-fresh coke is at high operating temperatures for red for red Jiao released by coke oven, be commonly called as red Jiao) carry out dry quenching(of coke), the dust pollution thing produced in its production process carries out Recovery Purifying, the i.e. dedusting of dry coke quenching recycle gas and dry coke quenching environmental dust removal, by need back to join environmental dust removal ash by suction vehicle by its force feed to dedusting ash storage bin, deliver to continous way colter mixer through totally-enclosed quantitative worm conveyor.
Sludge slurry directly by Cemented filling to medial launder, then deliver to continous way colter mixer, sprinkling humidification carried out to environmental dust removal ash, so not only eliminates the trucking costs of sludge slurry, but also stop the use of flocculation agent and pressure filter, reduce running cost.Coal blending belt is transported to by closed scraper transfer roller by the environmental dust removal ash (avoiding reentrainment of dust) after sludge slurry humidification.
In sum, a kind for the treatment of process of coking biochemical sludge slurry that the embodiment of the present invention provides has following technique effect.
The treatment process of coking biochemical sludge slurry provided by the invention is the excess sludge slurry of reflux sedimentation tank and second pond being discharged, concentrate, sludge slurry after concentrated sends into sewer catch basin, prevent sludge slurry from hardening, collect environment dedusting ash, sludge slurry carries out sprinkling humidification to environmental dust removal ash, sludge slurry is utilized to carry out humidification to environmental dust removal ash, environmental dust removal ash is avoided to produce airborne dust, realize the pollution-free adapted of environmental dust removal ash, environmental dust removal ash after spraying humidification is delivered on coal blending belt, solves the problem of biochemical sludge difficult treatment, saved resource.
It should be noted last that, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to example to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (7)
1. a treatment process for coking biochemical sludge slurry, is characterized in that, comprising:
The excess sludge slurry of reflux sedimentation tank and second pond being discharged concentrates;
Sludge slurry after concentrated is sent into sewer catch basin, prevents sludge slurry from hardening;
Collect environment dedusting ash;
With sludge slurry, sprinkling humidification is carried out to environmental dust removal ash;
Environmental dust removal ash after spraying humidification is delivered on coal blending belt.
2. treatment process according to claim 1, is characterized in that: the excess sludge slurry that described reflux sedimentation tank and second pond are discharged, and carries out concentrated comprising;
The excess sludge that settling tank and second pond are discharged is starched by pump delivery to sludge thickener.
3. treatment process according to claim 2, is characterized in that: the excess sludge slurry that described settling tank and second pond are discharged is comprised to sludge thickener by pump delivery;
Sludge slurry concentrates in sludge thickener, and the supernatant liquor after separation is collected through effluent trough, and gets back to phenol well through pipeline self and carry out reprocessing.
4. treatment process according to claim 1, is characterized in that: described concentrated after sludge slurry send into sewer catch basin, prevent sludge slurry from hardening and comprise;
Sludge slurry after concentrated is sewer catch basin after pipeline is concentrated by hydrostaticpressure feeding, arranges stirrer, prevent sludge slurry from hardening in sewer catch basin.
5. treatment process according to claim 1, is characterized in that: described collection environment dedusting ash comprises;
By need back to join environmental dust removal ash by suction vehicle force feed to dedusting ash storage bin, deliver to continous way colter mixer through totally-enclosed quantitative worm conveyor.
6. treatment process according to claim 1, is characterized in that: described sludge slurry carries out sprinkling humidification to environmental dust removal ash and comprises;
Sludge slurry directly by Cemented filling to medial launder, then deliver to continous way colter mixer, sprinkling humidification carried out to environmental dust removal ash.
7. treatment process according to claim 1, is characterized in that: described being delivered on coal blending belt by environmental dust removal ash after sprinkling humidification comprises;
Coal blending belt is transported to by closed scraper transfer roller by the environmental dust removal ash after sludge slurry humidification.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410599182.9A CN104341087A (en) | 2014-10-30 | 2014-10-30 | Method for treating coking and biochemical sludge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410599182.9A CN104341087A (en) | 2014-10-30 | 2014-10-30 | Method for treating coking and biochemical sludge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104341087A true CN104341087A (en) | 2015-02-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410599182.9A Pending CN104341087A (en) | 2014-10-30 | 2014-10-30 | Method for treating coking and biochemical sludge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104341087A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104745218A (en) * | 2015-04-02 | 2015-07-01 | 首钢总公司 | Method and system for treating biochemical sludge slurry and coking environment fly ash |
| CN109626785A (en) * | 2018-12-19 | 2019-04-16 | 柳州钢铁股份有限公司 | The processing method of coking residual sludge |
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| US4271013A (en) * | 1979-02-21 | 1981-06-02 | Republic Steel Corporation | Method and apparatus for removing biodegradable compounds from wastewater |
| CN101469283A (en) * | 2007-12-26 | 2009-07-01 | 彭德智 | Coal briquette and method for producing the same |
| CN101717853A (en) * | 2009-12-16 | 2010-06-02 | 首钢总公司 | Method for preparing sintered mixture from municipal sludge and ferrous iron containing metallurgical dust |
| CN102618718A (en) * | 2012-01-18 | 2012-08-01 | 中南大学 | Method for preparing high strength green pellets from steel plant iron-containing dust |
| CN202595094U (en) * | 2012-05-24 | 2012-12-12 | 首钢总公司 | Coking solid waste treatment and recycling device |
| CN103060546A (en) * | 2012-12-20 | 2013-04-24 | 天津钢铁集团有限公司 | Direct utilization transformation method of converter sludge |
| CN203174133U (en) * | 2013-02-27 | 2013-09-04 | 上海却尘科技有限公司 | Humidifying and mixing device for dry dust and slurry of primary dust-removal of converter |
| CN103409619A (en) * | 2013-07-29 | 2013-11-27 | 鄂州飞亚利废有限责任公司 | Cooled agglomerated pellet and preparation method thereof |
| RU2529204C1 (en) * | 2013-06-06 | 2014-09-27 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Кузбасский государственный технический университет имени Т.Ф. Горбачева" (КузГТУ) | Method to produce fuel briquettes |
-
2014
- 2014-10-30 CN CN201410599182.9A patent/CN104341087A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4271013A (en) * | 1979-02-21 | 1981-06-02 | Republic Steel Corporation | Method and apparatus for removing biodegradable compounds from wastewater |
| CN101469283A (en) * | 2007-12-26 | 2009-07-01 | 彭德智 | Coal briquette and method for producing the same |
| CN101717853A (en) * | 2009-12-16 | 2010-06-02 | 首钢总公司 | Method for preparing sintered mixture from municipal sludge and ferrous iron containing metallurgical dust |
| CN102618718A (en) * | 2012-01-18 | 2012-08-01 | 中南大学 | Method for preparing high strength green pellets from steel plant iron-containing dust |
| CN202595094U (en) * | 2012-05-24 | 2012-12-12 | 首钢总公司 | Coking solid waste treatment and recycling device |
| CN103060546A (en) * | 2012-12-20 | 2013-04-24 | 天津钢铁集团有限公司 | Direct utilization transformation method of converter sludge |
| CN203174133U (en) * | 2013-02-27 | 2013-09-04 | 上海却尘科技有限公司 | Humidifying and mixing device for dry dust and slurry of primary dust-removal of converter |
| RU2529204C1 (en) * | 2013-06-06 | 2014-09-27 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Кузбасский государственный технический университет имени Т.Ф. Горбачева" (КузГТУ) | Method to produce fuel briquettes |
| CN103409619A (en) * | 2013-07-29 | 2013-11-27 | 鄂州飞亚利废有限责任公司 | Cooled agglomerated pellet and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104745218A (en) * | 2015-04-02 | 2015-07-01 | 首钢总公司 | Method and system for treating biochemical sludge slurry and coking environment fly ash |
| CN104745218B (en) * | 2015-04-02 | 2017-05-17 | 首钢总公司 | Method and system for treating biochemical sludge slurry and coking environment fly ash |
| CN109626785A (en) * | 2018-12-19 | 2019-04-16 | 柳州钢铁股份有限公司 | The processing method of coking residual sludge |
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Application publication date: 20150211 |
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| RJ01 | Rejection of invention patent application after publication |