CN101791462B - Oxidation treatment device of solid wastes containing toxic organic matters - Google Patents
Oxidation treatment device of solid wastes containing toxic organic matters Download PDFInfo
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- CN101791462B CN101791462B CN201010142238XA CN201010142238A CN101791462B CN 101791462 B CN101791462 B CN 101791462B CN 201010142238X A CN201010142238X A CN 201010142238XA CN 201010142238 A CN201010142238 A CN 201010142238A CN 101791462 B CN101791462 B CN 101791462B
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Abstract
The invention relates to an oxidation treatment device of solid wastes containing toxic organic matters, belonging to the technical field of environment-protection devices. The oxidation treatment device is characterized in that the upper part of a reaction device (1) is provided with a sample inlet pipe (2) and a gas inlet pipe (3); the gas inlet pipe (3) is connected with an annular gas distribution pipe (4) positioned at the bottom inside the reaction device (1); the reaction device (1) is internally provided with a pH couple (5), a temperature couple (6), a turbo type stirrer (7), a heating device (8) and a condenser pipe (11); a sampling opening (9) of the reaction device (1) is positioned at the bottom of the reaction device (1); an exhaust pipe (10) is positioned at the upper part of the reaction device (1); and the gas inlet pipe (3) and the exhaust pipe (10) are provided with switches. The invention can efficiently promote a liquid or gas oxidant to be fast and uniformly mixed with the solid wastes, ensures the safety of an oxidative degradation process, has high reaction efficiency, furthest prevents the secondary pollution and can be used for the fields of the emergency treatment of hazardous wastes containing the toxic organic matters under the condition of sudden accidents, the landfill pretreatment of the hazardous wastes, and the like.
Description
Technical field
A kind of solid waste oxidation treatment device that contains toxic organic compound belongs to the environmental protecting device technical field.
Background technology
Contain the toxic organic compound hazardous waste and be meant that with clay class inorganic matter be matrix; But the toxic organic compound with the content pettiness is the hazardous waste of characteristic pollutant; Mainly result from industries such as oil, petrochemical industry, chemical industry, belong in China and have a large capacity and a wide range, harm is serious; The suitable treatment techniques under-reserve, the refuse that the harmless treatment rate is lower.This type of refuse is big because of output, and calorific value is low, and composition is main with inorganic matter, is the main processing mode mostly with the landfill in the practice.In view of the existing hazardous waste judging standard of China lacks the toxic organic compound index, this type of hazardous waste is like not treated direct landfill, toxic organic compound wherein or move to underground water with percolate, or because of volatilization gets into atmosphere, environment and potential safety hazard are very big.In addition, industry Sudden Pollution Accident such as China's oil, petrochemical industry, chemical industry take place frequently, and the deposit that the scene of the accident is cleared out of, soil etc. contain the toxic organic compound hazardous waste belong to more.Because cost is low, speed is fast, treating capacity is big, security is good, is the one preferred technique of hazardous waste emergency processing under the sudden accident condition through landfill after the chemical oxidation preliminary treatment.
With regard to present technology, the chemical oxidation technology is used for the processing of sewage mostly, and the report of processing that is applied to solid waste is comparatively rare.
Through retrieval Derwent Inpadoc, " State Intellectual Property Office " (China) and Relational databases such as " united states patent and trademark offices ", the license situation of the oxidation treatment device that contains toxic organic compound solid waste some retrievals have been carried out.For the oxidation treatment device that contains toxic organic compound solid waste; Relevant patent comprises: contain pollute and/or the processing method (ZL 99807754.2) of the moist residue of noxious material, waste water in oxidation operation and removal method (ZL02143090.X), be used for organic resource and reclaim a type waste disposal system (Resource-recovery type waste disposal systemused for organic waste; Comprises thermal decomposition apparatus equipped with heatsource; Liquid recovery equipment; And catalytic converter which oxidize-decomposesnon-liquefied gas; JP2008178765-A), sewage treatment equipment (the Organicmaterial-containing wastewater treatment equipment has oxidation decompositionreactors comprising stirring unit that contains organic material; Heating and heat removing unit; Connected inseries; And catalytic reaction device with catalyst filled layer; JP2008149232-A), the ozone treatment equipment of organic wastewater (Organic waste water treatment equipment e.g.for sewage; Hasozone supply unit at lower end of reaction tank; To oxidize and purify waste watersupplied from upper end of tank; JP2005246327-A), contain organic matter mud the wastewater oxidation treating apparatus (Oxidation treatment apparatus for waste water containing organic sludge consistsof subcritical hydroxylation processing unit, filtration equipment and catalystoxidation treatment unit, JP2005246327-A).In the device that these patents are introduced, mainly be to the oxidation processes that contains organic waste water, be not suitable for the solid waste that contains toxic organic compound.
For liquid-solid or gas-solid two phase oxidations reaction; Need at short notice oxidant and solid contaminant effectively to be mixed; Thereby avoid the violent oxidation reaction of local generation to cause a large amount of heat releases to bring danger such as blast; Need guarantee again simultaneously that toxic organic compound and oxidized byproduct thereof can not be diffused into because of the heat release in the reaction causes secondary pollution in the air, this just needs oxidation unit that good mass transfer, heat transfer can be provided, and tight non-proliferation system.And the oxidation treatment device that is directed against solid waste did not at present have report as yet.
Summary of the invention
The objective of the invention is effectively to solve the treatment and disposal problem of the solid waste that contains toxic organic compound, be particularly useful for industry Sudden Pollution Accident such as oil, petrochemical industry, chemical industry, the oxidation treatment device that is applicable to the solid waste that contains toxic organic compound is provided.
Technical scheme of the present invention is:
The solid waste oxidation treatment device that contains toxic organic compound; This device comprises the stainless steel cauldron of a high strength anti acid and alkali corrosion; The agitated reactor top is respectively equipped with 4 sample introduction pipes; Four peristaltic pumps outside with agitated reactor link to each other, and are used to import liquid oxidizer, catalyst and regulate the used acid-base solution of pH value.Air inlet pipe stretches in the still from the agitated reactor top, and is connected to the annular gas distribution pipe of bottom.Blast pipe is positioned at agitated reactor top, and is provided with two arms, and one links to each other with air inlet pipe, and external gas collects, treating apparatus again.Solid-state, semisolid material sample tap is positioned at the agitated reactor bottom.Also be provided with pH electricity coupling and temperature electricity coupling in the agitated reactor, be used for monitoring in real time reaction system internal temperature and pH value.The agitated reactor top is provided with recirculated water condensation pipe.Agitated reactor inside is provided with turbine agitator.Agitated reactor inside is provided with chuck water-bath electric heater unit.The present invention can satisfy the oxidation demand of liquid oxidizer and gaseous oxidant, can the accelerating oxidation agent mix with the solid waste rapid and uniform, has guaranteed the security of oxidative degradation process, and has improved reaction efficiency.Can avoid the secondary pollution problem of volatile organic matter in the course of reaction to greatest extent.
Sample introduction pipe of the present invention has 4 covers.
Turbine agitator of the present invention is positioned on the annular gas distribution pipe, is placed in the position of agitated reactor bottom 3～5cm.
Heater according to the invention both can adopt built-in jacket water (J.W.) bath apparatus also can adopt the mode of external heat.
Blast pipe of the present invention is positioned at agitated reactor top, and has two arms, and one connects air inlet pipe, can in the entire reaction still, form in the gas and circulate, and reduces the secondary pollution of volatile organic matter to greatest extent; External gas is treating apparatus again.
The solid waste oxidation treatment device that contains toxic organic compound of the present invention can be made by stainless steel.
The present invention goes for gaseous state, liquid oxidizer is handled the demand that contains toxic organic compound solid waste; For the system of moisture content more than 30%; The oxidation removal rate of toxic organic compound can reach more than 90%; Oxidation efficiency is high, easy and simple to handle, effectively control the generation of secondary pollution, can be used for containing under the sudden accident condition fields such as the emergency processing of toxic organic compound hazardous waste, the preliminary treatment of hazardous waste landfill.
Beneficial effect of the present invention:
1. the present invention utilizes the dystopy chemical oxidization method to handle the solid waste that contains toxic organic compound, and treatment effeciency is high, has realized the treatment and disposal rapidly and efficiently of such solid waste.
2. this device can satisfy the oxidation demand of liquid oxidizer and gaseous oxidizer respectively.
3. this device can make that reactant evenly mixes with oxidant, and the security and the treatment effeciency of oxidizing process improve greatly.
4. this device can be collected the gas that produces in the course of reaction, has reduced the secondary pollution of volatile organic matter gas to greatest extent, also is convenient to the processing again of dusty gas.
5. this device requisite space is little, can outdoor mounted, and human input is few, and is easy to operate, reliable.
Description of drawings
Fig. 1 is a structural representation of the present invention.
The specific embodiment
Specify specific embodiment of the present invention below in conjunction with accompanying drawing.
As shown in Figure 1, an embodiment who contains the solid waste oxidation treatment device of toxic organic compound of the present invention, agitated reactor is by the stainless steel manufacturing.Comprise a stainless steel cauldron 1; Said agitated reactor top is provided with 4 cover sample introduction pipes 2; The air inlet pipe 3 on top links to each other with base circle gas distribution pipe 4; Said agitated reactor inside is provided with pH electricity coupling 5 and temperature electricity coupling 6, is provided with turbine agitator 7 in the said agitated reactor, and said agitated reactor inside is provided with chuck water-bath electric heater unit 8.Said reactor sample tap 9 is positioned at the agitated reactor bottom.Said blast pipe 10 is positioned at agitated reactor top, and has two arms, and one connects air inlet pipe, and external gas is treating apparatus again.Said reactor top is provided with condenser pipe 11.
The present invention can be applicable to contain the oxidation processes of the solid waste of toxic organic compound.The regulation effect of the said solid waste that contains toxic organic compound is following:
Utilize the present invention, handle and contain the phenol contaminated soil, initial pollution concentration is 2000ppm.Use modified Fenton oxidation technology, i.e. H
2O
2Make oxidant, EDTA sodium iron is made catalyst, and the phenol clearance is seen table 1 about 90%.
Table 1 the present invention administers the effect that contains the phenol contaminated soil
Claims (7)
1. the solid waste oxidation treatment device that contains toxic organic compound; It is characterized in that this device comprises reaction unit (1), sample introduction pipe (2), air inlet pipe (3), annular gas distribution pipe (4), pH electricity coupling (5), temperature electricity coupling (6), turbine agitator (7), heater (8), reaction unit sample tap (9), blast pipe (10), condenser pipe (11);
Said reaction unit (1) top is provided with sample introduction pipe (2) and air inlet pipe (3); The same reaction unit of air inlet pipe (3) (1) inner bottom part annular gas distribution pipe (4) links to each other;
Said reaction unit (1) inside is provided with pH electricity coupling (5) and temperature electricity coupling (6);
Be provided with turbine agitator (7) in the said reaction unit (1);
Said reaction unit (1) inside is provided with heater (8);
Said reaction unit sample tap (9) is positioned at said reaction unit (1) bottom;
Said blast pipe (10) is positioned at said reaction unit (1) top; All has switch on said air inlet pipe (3) and the blast pipe (10);
Said reaction unit (1) top is provided with condenser pipe (11).
2. the solid waste oxidation treatment device that contains toxic organic compound according to claim 1 is characterized in that said reaction unit is an agitated reactor.
3. the solid waste oxidation treatment device that contains toxic organic compound according to claim 1 is characterized in that, said heater (8) is a chuck water-bath electric heater unit.
4. the solid waste oxidation treatment device that contains toxic organic compound according to claim 1 is characterized in that said turbine agitator (7) is positioned on the said annular gas distribution pipe (4).
5. the solid waste oxidation treatment device that contains toxic organic compound according to claim 1 is characterized in that, said turbine agitator (7) is positioned at the position of the said reaction unit last 3～5cm in bottom.
6. the solid waste oxidation treatment device that contains toxic organic compound according to claim 1 is characterized in that, said sample introduction pipe (2) has 4 covers.
7. the solid waste oxidation treatment device that contains toxic organic compound according to claim 1 is characterized in that said blast pipe (10) has two arms, and arm connects air inlet pipe (3), and external gas of arm is treating apparatus again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010142238XA CN101791462B (en) | 2009-04-03 | 2010-04-02 | Oxidation treatment device of solid wastes containing toxic organic matters |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910081143 | 2009-04-03 | ||
| CN200910081143.9 | 2009-04-03 | ||
| CN201010142238XA CN101791462B (en) | 2009-04-03 | 2010-04-02 | Oxidation treatment device of solid wastes containing toxic organic matters |
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| Publication Number | Publication Date |
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| CN101791462A CN101791462A (en) | 2010-08-04 |
| CN101791462B true CN101791462B (en) | 2012-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010142238XA Expired - Fee Related CN101791462B (en) | 2009-04-03 | 2010-04-02 | Oxidation treatment device of solid wastes containing toxic organic matters |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102466576B (en) * | 2010-11-10 | 2014-06-18 | 中国科学院地质与地球物理研究所 | Apparatus used for gas collection in solid-liquid/liquid-liquid reactions |
| CN108072174B (en) * | 2017-11-29 | 2024-04-09 | 南京新奥环保技术有限公司 | Barreled hazardous waste water bath heating device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101088581A (en) * | 2007-08-20 | 2007-12-19 | 丁家亮 | Poisonous waste treating method and special apparatus |
| CN201361394Y (en) * | 2009-03-10 | 2009-12-16 | 浙江大学 | Harmless treatment device of solid hazardous wastes |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030173306A1 (en) * | 2002-03-14 | 2003-09-18 | Cha Daniel K. | Process and system for treating waste from the production of energetics |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101088581A (en) * | 2007-08-20 | 2007-12-19 | 丁家亮 | Poisonous waste treating method and special apparatus |
| CN201361394Y (en) * | 2009-03-10 | 2009-12-16 | 浙江大学 | Harmless treatment device of solid hazardous wastes |
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| CN101791462A (en) | 2010-08-04 |
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