CN1586742A - Treating device for waste slag containing mercury - Google Patents

Treating device for waste slag containing mercury Download PDF

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Publication number
CN1586742A
CN1586742A CNA2004100541691A CN200410054169A CN1586742A CN 1586742 A CN1586742 A CN 1586742A CN A2004100541691 A CNA2004100541691 A CN A2004100541691A CN 200410054169 A CN200410054169 A CN 200410054169A CN 1586742 A CN1586742 A CN 1586742A
Authority
CN
China
Prior art keywords
mercury
demercuration
waste residue
heating furnace
mercuryvapour
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
CNA2004100541691A
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Chinese (zh)
Inventor
严锡荣
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.)
SHENGUANG LIGHTING ELECTRIC APPLIANCE CO Ltd SHANGHAI
Original Assignee
SHENGUANG LIGHTING ELECTRIC APPLIANCE CO Ltd SHANGHAI
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SHENGUANG LIGHTING ELECTRIC APPLIANCE CO Ltd SHANGHAI filed Critical SHENGUANG LIGHTING ELECTRIC APPLIANCE CO Ltd SHANGHAI
Priority to CNA2004100541691A priority Critical patent/CN1586742A/en
Publication of CN1586742A publication Critical patent/CN1586742A/en
Pending legal-status Critical Current

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Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies

Abstract

The present invention is mercury containing waste slag treating device, and especially one mercury recovering apparatus for mercury containing waste slag. The present invention features that the mercury recovering apparatus consists of air exhaust tower, blower, secondary active carbon adsorber, primary active carbon adsorber, cooling water pipe, mercury collecting chamber, condenser, mercury removing heating furnace, feeding barrel, no-mercury slag collecting barrel, etc., which are connected with pipeline to constitute one reliable effective sealed treating system. The present invention has no secondary environment pollution and can extract metal mercury from waste slag while treating the waste slag to exhaust standard.

Description

A kind of treatment unit of mercurous waste residue
Technical field:
The present invention relates to a kind of waste treatment apparatus in the environmental protection industry, more particularly relate to the device of the recovery of the heavy metal Hg in the mercurous waste residue of depleted.
Background technology:
Will inevitably produce a large amount of fragmentation pipes in the production process as many fluorescent tube bulbs factory and not reach useless pipe of service requirements; but can not melt down recycling; because contained the existence of the mercury that adds up in the production process in these glass; can not at will abandon again; so have to be crushed to mercurous waste residue stores; accumulate over a long period; having piled considerable scale can't handle; the strict again supervision of environmental administration of government; not treated qualified; this mercurous waste residue is inaccurate from factory; even fluorescent tube bulb factory is like this; other are relevant to be raw material with mercury; the mercurous waste that the enterprise of auxiliary material production and daily life abandon in producing is more and more serious to the harm that environment protection brings; the existing skill of bolt rope is asked data; still do not have the processing of finding this type of mercurous waste residue comparatively proven technique is arranged; therefore; a kind of new treatment process and treatment unit must be arranged; the heavy metal Hg that will be blended in the waste residue under the prerequisite that can not increase new environmental pollution is separated; make treated mercurous waste residue reach emission standard, can brickmaking; utilizations such as landfill.Such technology is the needs of environment protection, also is the utilization of resources, the good job of benefiting the nation and the people.
Summary of the invention
The present invention is with the above-mentioned purpose that is envisioned for, a kind of device of handling mercurous waste residue has been proposed, this treatment unit should have under the prerequisite of not polluted water and atmospheric environment can high-level efficiency and effectively the mercury that is blended in the waste residue is decomposed out, makes mercury to reclaim once more, utilizes.Waste residue after treatment then can reach national solid waste discharge standard, thereby can discharge under the prerequisite that does not influence environment.
Concrete technical scheme of the present invention provide a kind of cheaply, the separation waste residue of compliance with environmental protection requirements and the device of mercury.This device is the basic physics according to mercury, chemical property, center on the automatic removal of mercury device of a cover of the theme design of environmental protection, in charging totally-enclosed operation of holding device in the entire operation process of discharging, accomplish disposable charging, disposable discharging guarantees that in the entire treatment process, the Air quality of treatment plant reaches national environmental standard.
Technical scheme of the present invention is to realize by following concrete technical measures: a kind of treatment process of mercurous waste residue mainly comprises demercuration, collection mercury and filter three parts and form: the demercuration part mainly is by head tank, feed controller and the auger type demercuration stove of sealing and does not have mercury waste residue gathering barrel and combine; Collection mercury part mainly is to be combined by condenser and mercury collecting chamber; Filtration fraction mainly is by the particle adsorber, and two-layer charcoal absorption combines.A kind of treatment unit of mercurous waste residue, its characteristics are that it comprises: vent gas tower 1, blower fan 2, secondary activity charcoal adsorber 3, primary activity charcoal adsorber 4, water-cooled tube 5, mercury collecting chamber 6, condenser 7, particulate filter 8, auger core 9, demercuration heating furnace body 10, head tank 11, demercuration heating furnace body seat 12, mercuryvapour arm 13, mercuryvapour pipe 14, the logical close envelope Even of piping of point for measuring temperature 15 and no mercury waste residue discharge tank 16 each parts connects composition, wherein: the head end that is rolled into the demercuration heating furnace body 10 of column sealed cylindrical shell by steel plate, the end face center have auger core 9 Xiang Wai Even connect power, the Packed head tank 11 in cylinder body of heater 10 tops near this end face still has 3~5 mercuryvapour arms 13 and 3~5 points for measuring temperature 15 on the periphery of demercuration heating furnace body 10; Condenser 7 is water-jacketed condensers of an inner disc water-cooled tube 5, water coolant from C to advance, D is to going out; Elementary adsorber 4 is that built-in proportion is 0.55 common gac; Secondary adsorber 3 is that built-in proportion is 0.55 active carbon loading silver; The blower fan that blower fan 2 selects for use the per minute 2800 of high wind speed to change; Vent gas tower 1 is iron cylinder high tower, must exceed factory building and enclose Yang.
In the treating processes of whole mercurous waste residue, the mercurous waste residue that to handle earlier adds head tank 11 and seals, by control device mercurous waste residue is entered in the demercuration heating furnace body 10, ceaselessly push ahead and stir wherein mercurous waste residue by the spiral propeller in the stove, make it in the demercuration stove, carry out heat, mercury in waste residue flashes to mercuryvapour fully, break away from waste residue, the waste residue of handling enters last no mercury waste residue gathering barrel 16 automatically, mercuryvapour is then collected through each mercuryvapour arm 13 and is entered mercuryvapour pipe 14, mercuryvapour enters by water coolant 5 forms cooling in the condenser 7 of cyclic water jacket, the mercuryvapour that reaches normal temperature promptly can liquefy mercury and is entered mercury collecting chamber .6, remaining micro-dust, mercuryvapour is then by particle adsorber 8, elementary adsorber 4, after secondary adsorber 3 is handled, after reaching discharging standards, deliver to waste gas exhaust tower 1 emptying by blower fan 2.The small quantities of particles of wherein separating out can be put back to the demercuration stove and handle again, and the gac after the secondary absorption is by the recycling of professional gac factory.
The invention has the beneficial effects as follows conspicuous, whole device is reliable, effective, the entire treatment process is carried out under totally enclosed state, in the process of handling waste, do not cause new environmental pollution, but also can extract heavy metal Hg from waste, the waste residue after the extraction reaches national solid waste discharge standard, further brickmaking, landfill, the utilization of paving the way is an all comparatively successful technology of economic benefit, social benefit.
Description of drawings
Listed in the accompanying drawing is the equipment flowsheet of a kind of embodiment of the present invention (mercurous fluorescent glass powder treatment unit),
Each Reference numeral is expressed as follows the meaning respectively in the accompanying drawing:
1, waste gas exhaust tower (B is the exhaust gas evacuation direction); 2, blower fan; 3, secondary adsorber; 4, elementary adsorber; 5, water-cooled tube (C to water inlet, D is to water outlet); 6, mercury collecting chamber; 7, condenser; 8 particulate filters; 9 auger cores; 10, demercuration heating furnace body; 11, be sealed into charging basket (A is to being feedstock direction); 12, demercuration heating furnace body seat; 13, mercuryvapour arm; 14, mercuryvapour pipe; 15, point for measuring temperature; 16, no mercury waste residue gathering barrel.
Embodiment
The concrete structure figure of this treatment unit that provides by accompanying drawing, make the device of the each processing power of a cover at 300 kilograms of mercurous waste residues, during the treatment unit operation, first the mercurous waste residue utilization flexible pipe of retrieving is under closed state, disposable mercurous waste residue with 300 kilograms is poured head tank 11 into, seal head tank 11 then, start the heating system in the demercuration furnace body 10, make furnace body temperature reach to carry out in 360 degrees centigrade to the 500 degrees centigrade regional extents temperature automatically controlled, after temperature is raised to prescribed value in the stove, start the by-pass valve control of head tank 11, make mercurous waste residue slowly enter the demercuration stove, under the rotation of auger core 9 advanced, mercurous waste residue was allowed to condition at roasting in the demercuration stove, and whether fully the time can be 20 minutes to 1 hour (looking mercuryvapour evaporation), in roasting,, mercury vapour is under the effect of induced draft fan, through mercuryvapour pipe 14, condenser 7 is collected mercury collecting chamber 6, and not mercurous waste residue then enters no mercury waste residue gathering barrel 16 automatically.The mercuryvapour of part molecule and trace is through the activated carbon filtration of particulate filter 8 and each 1 cubic meters capacity of two-stage, and test is fixed factually: the efficient of active carbon loading silver absorption mercury waste gas reaches 97%
The result of the embodiment of the invention also is very gratifying: (waste residue of processing is mercurous fluorescent glass powder)
The rate of recovery of handling back mercury is 99% of a mercurous waste residue mercury content.
Waste residue mercury content after the processing is 0.005 a mg/litre (national mercury emissions standard: 0.05 mg/litre).
Exhaust gas emission emission concentration after the processing is 0.0034 milligram/cubic metre, (national standard: 0.012 milligram/cubic metre).
Exhaust gas emission speed after the processing is 5.81*10 -7Kilogram/hour, (national standard: 1.5*10 -3Kilogram/hour).
Above result shows that device of the present invention is practical, reliable, compliance with environmental protection requirements.

Claims (1)

1, a kind of treatment unit of mercurous waste residue, it is characterized in that it comprises: vent gas tower [1], blower fan [2], secondary activity charcoal adsorber [3], primary activity charcoal adsorber [4], water-cooled tube [5], mercury collecting chamber [6], condenser [7], particulate filter [8], auger core [9], demercuration heating furnace body [10], head tank [11], demercuration heating furnace body seat [12], mercuryvapour arm [13], mercuryvapour pipe [14], the logical close envelope Even of piping of point for measuring temperature [15] and each parts of no mercury waste residue gathering barrel [16] connects composition, wherein: be rolled into the head end of the demercuration heating furnace body [10] of column sealed cylindrical shell by steel plate, the end face center has auger core [9] to connect power to outer Even; The Packed head tank in body of heater cylinder top [11] near this end face; 3~5 mercuryvapour arms [13] and 3~5 points for measuring temperature [15] are still arranged on the periphery of demercuration heating furnace body [10]; Condenser [7] is the water-jacketed condenser of an inner disc water-cooled tube [5], water coolant from C to advance, D is to going out; Elementary adsorber [4] is that built-in proportion is 0.55 common gac; Secondary adsorber [3] is that built-in proportion is 0.55 active carbon loading silver; The blower fan that blower fan [2] selects for use the per minute 2800 of high wind speed to change; Vent gas tower [1] is an iron rounding tube high tower, must exceed factory building and enclose Yang.
CNA2004100541691A 2004-09-01 2004-09-01 Treating device for waste slag containing mercury Pending CN1586742A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNA2004100541691A CN1586742A (en) 2004-09-01 2004-09-01 Treating device for waste slag containing mercury

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNA2004100541691A CN1586742A (en) 2004-09-01 2004-09-01 Treating device for waste slag containing mercury

Publications (1)

Publication Number Publication Date
CN1586742A true CN1586742A (en) 2005-03-02

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CNA2004100541691A Pending CN1586742A (en) 2004-09-01 2004-09-01 Treating device for waste slag containing mercury

Country Status (1)

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CN (1) CN1586742A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103447277A (en) * 2012-05-28 2013-12-18 中国石油天然气股份有限公司 Method for removing mercury form mercury-containing core
CN103693676A (en) * 2013-12-12 2014-04-02 毛振华 Waste mercury catalyst recovery technology and waste mercury catalyst recovery device
CN110029236A (en) * 2019-03-18 2019-07-19 昆明理工大学 Elemental mercury solid separation method and system in a kind of mercurous tail gas

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103447277A (en) * 2012-05-28 2013-12-18 中国石油天然气股份有限公司 Method for removing mercury form mercury-containing core
CN103447277B (en) * 2012-05-28 2016-05-11 中国石油天然气股份有限公司 A kind of method for removing hydrargyrum of mercurous rock core
CN103693676A (en) * 2013-12-12 2014-04-02 毛振华 Waste mercury catalyst recovery technology and waste mercury catalyst recovery device
CN103693676B (en) * 2013-12-12 2015-05-20 宁夏新龙蓝天科技股份有限公司 Waste mercury catalyst recovery technology and waste mercury catalyst recovery device
CN110029236A (en) * 2019-03-18 2019-07-19 昆明理工大学 Elemental mercury solid separation method and system in a kind of mercurous tail gas

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