CN102951743A - Comprehensive reutilization system of heating boiler wastewater - Google Patents
Comprehensive reutilization system of heating boiler wastewater Download PDFInfo
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- CN102951743A CN102951743A CN2011102426429A CN201110242642A CN102951743A CN 102951743 A CN102951743 A CN 102951743A CN 2011102426429 A CN2011102426429 A CN 2011102426429A CN 201110242642 A CN201110242642 A CN 201110242642A CN 102951743 A CN102951743 A CN 102951743A
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Abstract
The invention provides a comprehensive reutilization system of heating boiler wastewater. The system comprises a wastewater collection tank; a precipitate filtering unit receiving the wastewater from the wastewater collection tank and carrying out precipitate filtering treatment of the wastewater, wherein the precipitate filtering unit comprises a precipitating pool positioned at the bottom of the precipitate filtering unit, an automatic alkali addition device positioned on the precipitate pool, a mixing pool positioned above the automatic alkali addition device and used for mixing alkali added wastewater with a medicine, and a water purifying pool positioned above the mixing pool; an automatic medicine device which is connected with the mixing pool and inputs the medicine to the mixing pool; and a concentrating pool for pumping clean water from a clean water pool. The comprehensive reutilization system has the advantages of wastewater recycle efficiency improvement and cost saving.
Description
Technical field
The waste water that the present invention relates to a kind of novel heating boiler comprehensively recycles system.
Background technology
Along with developing rapidly of industry, kind and the quantity of waste water rapidly increase, and is also increasingly extensive and serious to the pollution of water body, threatens human health and safety.For protection of the environment, the processing of trade effluent is more even more important than the processing of municipal effluent.Although the processing of trade effluent began as far back as 19 end of the centurys, and a large amount of experimental studies and production practice have been carried out in half a century subsequently, but because many trade effluent complicated components, character is changeable, still has so far some technical problems not solve fully.It is different that this point has been attained ripe municipal sewage treatment with technology.
For example, for pure heat supply coal firing boiler, the usually directly discharging after simple purifying treatment of the waste water of its generation, because of waste water treatment process simply extensive, the waste water of discharging plant area exist certain overtemperature superthermal and turbid/the colourity phenomenon that exceeds standard, do not meet corresponding environmental protection management expectancy, be unfavorable for the maintenance of corporate image yet and affect the business economic interests.For this reason, need to recycle the waste water enforcement recycling engineering that is worth to having.Like this, not only can economize on resources, reach resource maximum using purpose, and reduce as far as possible the discharging of waste water, meet the requirement of environmental protection.
Summary of the invention
The waste water that the invention provides a kind of novel heating boiler comprehensively recycles system.Particularly, the waste water that the invention provides a kind of heating boiler comprehensively recycles system, comprising:
Waste water collection tank;
The sedimentation and filtration unit receives from the waste water of described waste water collection tank and to described waste water and carries out the sedimentation and filtration processing, and described sedimentation and filtration unit comprises:
Settling tank is positioned at the bottom of described sedimentation and filtration unit;
The automatic alkali adding device is positioned on the described settling tank;
Mixing pit is positioned on the described automatic alkali adding device and mixes for the waste water through adding alkali and medicament; And
Water purifying tank is positioned on the described mixing pit;
Automatic medicine adding apparatus is connected with described mixing pit and inputs medicament in described mixing pit; And
Concentration basin extracts water purification from described water purifying tank.
According to a preferred embodiment, comprehensively in the recycling system, described automatic alkali adding device has a programmable logic controller at above-mentioned waste water, and this programmable logic controller adds alkali number according to the water outlet pH value variable frequency control of described mixing pit.
According to a preferred embodiment, comprehensively in the recycling system, described automatic medicine adding apparatus further connects described water purifying tank, to obtain water purification from described water purifying tank at above-mentioned waste water.
According to a preferred embodiment, comprehensively in the recycling system, described automatic medicine adding apparatus further connects an outside water purification intake, obtains water purification with the outside that comprehensively recycles system from described waste water at above-mentioned waste water.
According to a preferred embodiment, comprehensively in the recycling system, described concentration basin further connects the water feeding system of described heating boiler at above-mentioned waste water.
According to a preferred embodiment, comprehensively in the recycling system, described medicament is the heavy metal chelating agent of xanthate class or dithiocarbamate salt at above-mentioned waste water.
After the comprehensive recycling of the waste water of the emergent coal firing boiler of pure heat supply, estimate that emergent boiler plant area discharge of wastewater reaches zero release substantially, reduces effluent charge.Simultaneously, can save the industrial water yield and can reach 160000 ton/years, amount to Renminbi and can reach 27.2 ten thousand (service water is in 1.7 yuan of unit prices/m3); The de-mineralized water of saving can reach 120000 ton/years, amounts to Renminbi and can reach 1,800,000 yuan (de-mineralized water is in 15 yuan of unit prices/m3).In addition, the present invention can also guarantee coal firing boiler more clean and effective provide heating power and precision processing fishery products to the Craft in Chemical Industrial Area user.
Should be appreciated that the above generality of the present invention is described and the following detailed description all is exemplary and explanat, and be intended to the further explanation that the invention provides for as claimed in claim.
Description of drawings
Accompanying drawing mainly is be used to providing the present invention further to be understood.Accompanying drawing shows embodiments of the invention, and plays the effect of explaining the principle of the invention with this specification sheets.In the accompanying drawing:
The waste water that Fig. 1 schematically shows heating boiler according to an embodiment of the invention comprehensively recycles the structure of system.
Embodiment
Describe technical scheme of the present invention in detail below in conjunction with accompanying drawing.
The waste water that Fig. 1 schematically shows heating boiler according to an embodiment of the invention comprehensively recycles the structure of system.As shown in Figure 1, the waste water of heating boiler of the present invention comprehensively recycles system and can comprise at least: waste water collection tank 101, sedimentation and filtration unit 102, automatic medicine adding apparatus 103 and concentration basin 104.Sedimentation and filtration unit 102 receives from the waste water of described waste water collection tank 101 and described waste water is carried out sedimentation and filtration process.
Particularly, in the embodiment shown in fig. 1, sedimentation and filtration unit 102 may further include: settling tank 105, automatic alkali adding device 106, mixing pit 107 and water purifying tank 108.Settling tank 105 is positioned at the bottom of described sedimentation and filtration unit 102, and directly receives the waste water from waste water collection tank 101.Waste water will be in the precipitation of carrying out certain hour in settling tank 105.Automatic alkali adding device 106 is positioned on the described settling tank 105.Mixing pit 107 is positioned on the described automatic alkali adding device 106 and mixes for the waste water through adding alkali and medicament.At last, after treatment water purification will enter owing to the pumping action of concentration basin 104 water purifying tank 108 on the described mixing pit 107.
Automatic medicine adding apparatus 103 is connected with described mixing pit 107 and inputs medicament in described mixing pit 107.Preferably, described medicament is the heavy metal chelating agent of xanthate class or dithiocarbamate salt.Certainly, also can choose according to the needs of reality other medicament as the output medicament of automatic medicine adding apparatus 103.
According to an embodiment, this automatic medicine adding apparatus 103 adds medicament with speed and the flow of setting in mixing pit 107.Before adding medicament, described medicament need to be dissolved in the water purification with predetermined ratio.According to an example, described automatic medicine adding apparatus 103 further connects an outside water purification intake, obtains water purification with the outside that comprehensively recycles system from described waste water.According to another better example, this automatic medicine adding apparatus 103 connects described water purifying tank 108, to obtain water purification from described water purifying tank, can obtain so better recirculated water and utilize effect.Certainly, in order to ensure the quality of water purification, also a filtration unit 109 can be set up between automatic medicine adding apparatus 103 and water purifying tank 108, as being shown specifically among Fig. 1.
As shown in Figure 1, concentration basin 104 extracts water purification from described water purifying tank 108.This concentration basin 104 further connects the water feeding system of described heating boiler.Like this, waste water of the present invention comprehensively recycles the water purification that system exports and can again be applied to heating boiler.For example, these water purification can be reused for spray operation or feedwater operation.
According to a preferred embodiment, comprehensively in the recycling system, described automatic alkali adding device 106 has a programmable logic controller at above-mentioned waste water, and this programmable logic controller adds alkali number according to the water outlet pH value variable frequency control of described mixing pit 107.
In sum, waste water of the present invention is comprehensively set up automatic medicine adding apparatus in the recycling system, adjusts the waste water pH value, and the rear pulp water system thickner that directly enters is as the pulp water system water supplement.In addition, by automatic alkali adding device 106, system of the present invention can be implemented in the real-time pH value adjustment of line, guarantees that the reuse waste water quality reaches the most basic requirement of system.This automatic alkali adding device can be according to the variation of flooding velocity and pH value, carrying PLC variable frequency control volume pump by adder-subtractor adds alkali number and realizes adding the alkali process automation, add the alkali effect from motion tracking, to guarantee that mixing tank water outlet pH value is as 7.5～8.5, satisfy the moisturizing water quality requirement, be transported to the concentration basin place through suspension pipe line.
Above-described embodiment provides to those of ordinary skills and realizes or use of the present invention; those of ordinary skills can be in the situation that does not break away from invention thought of the present invention; above-described embodiment is made various modifications or variation; thereby protection scope of the present invention do not limit by above-described embodiment, and should be the maximum range that meets the inventive features that claims mention.
Claims (6)
1. the waste water of a heating boiler comprehensively recycles system, it is characterized in that, comprising:
Waste water collection tank;
The sedimentation and filtration unit receives from the waste water of described waste water collection tank and to described waste water and carries out the sedimentation and filtration processing, and described sedimentation and filtration unit comprises:
Settling tank is positioned at the bottom of described sedimentation and filtration unit;
The automatic alkali adding device is positioned on the described settling tank;
Mixing pit is positioned on the described automatic alkali adding device and mixes for the waste water through adding alkali and medicament; And
Water purifying tank is positioned on the described mixing pit;
Automatic medicine adding apparatus is connected with described mixing pit and inputs medicament in described mixing pit; And
Concentration basin extracts water purification from described water purifying tank.
2. waste water as claimed in claim 1 comprehensively recycles system, it is characterized in that, described automatic alkali adding device has a programmable logic controller, and this programmable logic controller adds alkali number according to the water outlet pH value variable frequency control of described mixing pit.
3. waste water as claimed in claim 1 comprehensively recycles system, it is characterized in that, described automatic medicine adding apparatus further connects described water purifying tank, to obtain water purification from described water purifying tank.
4. waste water as claimed in claim 3 comprehensively recycles system, it is characterized in that, described automatic medicine adding apparatus further connects an outside water purification intake, obtains water purification with the outside that comprehensively recycles system from described waste water.
5. waste water as claimed in claim 1 comprehensively recycles system, it is characterized in that, described concentration basin further connects the water feeding system of described heating boiler.
6. waste water as claimed in claim 1 comprehensively recycles system, it is characterized in that, described medicament is the heavy metal chelating agent of xanthate class or dithiocarbamate salt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110242642.9A CN102951743B (en) | 2011-08-23 | 2011-08-23 | The comprehensive reutilization system of waste water of heating boiler |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110242642.9A CN102951743B (en) | 2011-08-23 | 2011-08-23 | The comprehensive reutilization system of waste water of heating boiler |
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| Publication Number | Publication Date |
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| CN102951743A true CN102951743A (en) | 2013-03-06 |
| CN102951743B CN102951743B (en) | 2016-01-20 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103410211A (en) * | 2013-08-23 | 2013-11-27 | 济钢集团有限公司 | Chemical waste water discharge-free system |
| CN104676932A (en) * | 2013-11-26 | 2015-06-03 | 哈尔滨欧麦克科技开发有限公司 | Method for decomposing and applying industrial waste water resources |
| CN106746014A (en) * | 2017-01-09 | 2017-05-31 | 安徽临涣化工有限责任公司 | A kind of wastewater zero discharge recycle device for boiler room |
| CN108328852A (en) * | 2017-12-28 | 2018-07-27 | 昆山奕盛来环境科技有限公司 | A kind of processing equipment of boiler waste gas waste water |
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| CN1760136A (en) * | 2004-10-15 | 2006-04-19 | 中国科学院生态环境研究中心 | A kind of industrial water system clean preparation method that comprises recirculated cooling water and boiler water supply |
| CN2836892Y (en) * | 2005-05-25 | 2006-11-15 | 南昌大学 | Filter device for boiler dedusting and water-treatment |
| CN1951545A (en) * | 2005-10-19 | 2007-04-25 | 中国石油化工股份有限公司 | Method and equipment for neutralizing acidic water after desulfurization of coal burning gas |
| JP2011104477A (en) * | 2009-11-13 | 2011-06-02 | Tokyo Electric Power Co Inc:The | Method for treatment of plant wastewater |
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2011
- 2011-08-23 CN CN201110242642.9A patent/CN102951743B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1760136A (en) * | 2004-10-15 | 2006-04-19 | 中国科学院生态环境研究中心 | A kind of industrial water system clean preparation method that comprises recirculated cooling water and boiler water supply |
| CN2836892Y (en) * | 2005-05-25 | 2006-11-15 | 南昌大学 | Filter device for boiler dedusting and water-treatment |
| CN1951545A (en) * | 2005-10-19 | 2007-04-25 | 中国石油化工股份有限公司 | Method and equipment for neutralizing acidic water after desulfurization of coal burning gas |
| JP2011104477A (en) * | 2009-11-13 | 2011-06-02 | Tokyo Electric Power Co Inc:The | Method for treatment of plant wastewater |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103410211A (en) * | 2013-08-23 | 2013-11-27 | 济钢集团有限公司 | Chemical waste water discharge-free system |
| CN104676932A (en) * | 2013-11-26 | 2015-06-03 | 哈尔滨欧麦克科技开发有限公司 | Method for decomposing and applying industrial waste water resources |
| CN106746014A (en) * | 2017-01-09 | 2017-05-31 | 安徽临涣化工有限责任公司 | A kind of wastewater zero discharge recycle device for boiler room |
| CN108328852A (en) * | 2017-12-28 | 2018-07-27 | 昆山奕盛来环境科技有限公司 | A kind of processing equipment of boiler waste gas waste water |
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| Publication number | Publication date |
|---|---|
| CN102951743B (en) | 2016-01-20 |
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