CN110029236A - Elemental mercury solid separation method and system in a kind of mercurous tail gas - Google Patents
Elemental mercury solid separation method and system in a kind of mercurous tail gas Download PDFInfo
- Publication number
- CN110029236A CN110029236A CN201910204645.XA CN201910204645A CN110029236A CN 110029236 A CN110029236 A CN 110029236A CN 201910204645 A CN201910204645 A CN 201910204645A CN 110029236 A CN110029236 A CN 110029236A
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- Prior art keywords
- tail gas
- mercury
- elemental mercury
- mercurous
- separation method
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- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 title claims abstract description 119
- 239000007787 solid Substances 0.000 title claims abstract description 30
- 238000000926 separation method Methods 0.000 title claims abstract description 22
- 239000000428 dust Substances 0.000 claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 238000005406 washing Methods 0.000 claims abstract description 29
- 238000001816 cooling Methods 0.000 claims abstract description 24
- 239000008188 pellet Substances 0.000 claims abstract description 17
- 238000010438 heat treatment Methods 0.000 claims abstract description 16
- 238000005453 pelletization Methods 0.000 claims abstract description 8
- 238000009833 condensation Methods 0.000 claims abstract description 7
- 230000005494 condensation Effects 0.000 claims abstract description 7
- 239000007789 gas Substances 0.000 claims description 86
- 229910052753 mercury Inorganic materials 0.000 claims description 50
- 239000003507 refrigerant Substances 0.000 claims description 14
- 238000005201 scrubbing Methods 0.000 claims description 13
- 238000004140 cleaning Methods 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 9
- 239000012716 precipitator Substances 0.000 claims description 8
- 238000010791 quenching Methods 0.000 claims description 8
- 230000000171 quenching effect Effects 0.000 claims description 8
- 238000011084 recovery Methods 0.000 claims description 8
- 239000007921 spray Substances 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 239000000919 ceramic Substances 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 229910021529 ammonia Inorganic materials 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 238000010025 steaming Methods 0.000 claims description 2
- 238000005057 refrigeration Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 13
- 238000004134 energy conservation Methods 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 238000003912 environmental pollution Methods 0.000 abstract description 2
- 238000004900 laundering Methods 0.000 abstract description 2
- 208000028659 discharge Diseases 0.000 description 9
- 238000000746 purification Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000003463 adsorbent Substances 0.000 description 1
- 231100000693 bioaccumulation Toxicity 0.000 description 1
- 239000010882 bottom ash Substances 0.000 description 1
- 230000001925 catabolic effect Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B47/00—Obtaining manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/005—Separation by a physical processing technique only, e.g. by mechanical breaking
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses elemental mercury solid separation method and system in a kind of mercurous tail gas, elemental mercury solid separation method is first to use the mercurous tail gas of tail gas heating, then dedusting, then carry out the i.e. recyclable Elemental Mercury of very fast cooling in the mercurous tail gas；The method of the present invention Elemental Mercury separative efficiency is high, in subsequent laundering process, so that tail gas is further purified, and avoids that environmental pollution accident occurs；In very fast temperature-fall period, Water vapor condensation can evaporate generation vapor at ice pellets again, use for tail gas heating step, reduce demercuration cost, have the advantages that energy conservation and environmental protection.The system comprises steam heat temperature raising system, dust dust pelletizing system, very fast cooling systems, vent gas washing system；Present system has the advantages that mercurous vent gas treatment stability and high efficiency, energy conservation and environmental protection, and Elemental Mercury separative efficiency is up to 90% or more.
Description
Technical field
The invention belongs to technical field of environment pollution control, and in particular to Elemental Mercury gas solid separation side in a kind of mercurous tail gas
Method and system.
Background technique
Mercury pollution is increasingly subject to the concern of people.Mercury due to its persistence it is strong, it is volatile and have bioaccumulation,
Emphasis as prevention and cure of pollution.Coal burning is the primary discharge source of mercury pollution in atmospheric environment, the existing forms of mercury in tail gas
Three kinds: Elemental Mercury (Hg can be divided into0), bivalent mercury (Hg2+) and particle mercury (HgP).Bivalent mercury can be removed by mercury removal device, greatly
Partial particulate mercury can also be gone out by dust-extraction unit, and wherein Elemental Mercury is difficult to be removed by existing pollutant catabolic gene device, and
Atmospheric air circulation can be participated in an atmosphere, be the one kind for being most difficult to remove in mercury species.Currently, the side of most common removing Elemental Mercury
Method is catalytic oxidation and absorption method, i.e., Elemental Mercury is adsorbed enrichment using adsorbent or utilize O2、Cl2Wait oxidants by simple substance
Mercury oxidation is bivalent mercury to remove.However, there are secondary pollution problems for absorption method there are efficiency lower, oxidizing process.In order to
The harm for reducing Elemental Mercury, improves the utilization rate of Elemental Mercury, researches and develops elemental mercury solid separation method in a kind of mercurous tail gas and is
System is very necessary.
Summary of the invention
The first object of the present invention is to provide elemental mercury solid separation method in a kind of mercurous tail gas.
The system that the second object of the present invention is to provide elemental mercury solid separation method in a kind of mercurous tail gas.
The first object of the present invention, which is achieved in that, first uses vapor by mercurous tail gas heating to 350 ~ 400 DEG C, so
After carry out dust removal process, the tail gas after dedusting is very fast to be cooled to -40 DEG C hereinafter, the elemental mercury vapor in tail gas is made to condense into simple substance
Mercury solid particle, Water vapor condensation collect Elemental Mercury, ice pellets is heated to be evaporated to vapor, and vapor sends tail gas back at ice pellets
Heating stepses, the tail gas by very fast cooling are washed again, collect the Elemental Mercury in washing process, the cleaning of off-gas after washing
Discharge.
The second object of the present invention is achieved in that steam heat temperature raising system, dust including being successively linked in sequence
Dust pelletizing system, very fast cooling system, vent gas washing system, the row of the exhaust end of the very fast cooling system, vent gas washing system
Liquid end is connect with mercury recovery system respectively, and steam replenishment system is equipped between mercury recovery system and steam heat temperature raising system.
Compared with prior art, the present invention has following technical effect that
1, mercurous tail gas is arrived available Elemental Mercury by tail gas heating, dedusting, very fast cooling by the method for the present invention, single
Matter mercury separative efficiency is high, in subsequent laundering process, so that tail gas is further purified, and avoids that environmental pollution thing occurs
Therefore；In very fast temperature-fall period, Water vapor condensation can evaporate generation vapor at ice pellets again, use for tail gas heating step, drop
Low demercuration cost, has the advantages that energy conservation and environmental protection.
2, present system includes steam heat temperature raising system, dust dust pelletizing system, very fast cooling system, washing tail gas system
System；Steam heat temperature raising system heats mercurous tail gas, and dust dust pelletizing system plays the role of dedusting, very fast drop to tail gas
Warm system plays the role of to the very fast cooling of mercurous tail gas, generation Elemental Mercury solid particle and ice pellets, and vent gas washing system
Can not only further cleaning of off-gas, and be conducive to collect remaining Elemental Mercury, mercury recovery system by very fast cooling system and
The Elemental Mercury of vent gas washing system is unified to be recycled, and ice pellets is converted into vapor by steam heat temperature raising system, for supplementing steam
The steam consumption of heat temperature raising system, present system have the advantages that mercurous vent gas treatment stability and high efficiency, energy conservation and environmental protection, simple substance
Mercury separative efficiency is up to 90% or more.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of present system；
In figure: 1- dust precipitator, 2- dust discharge port, 3- dust discharge port valve, 4- dry type flash cold column, the quenching of 5- array
Pipe, 6- refrigerating plant, 7- refrigerant elevator pump, 8- refrigerant reservoir, 9- scrubbing tower, 10- spray tube, 11- recirculated water are promoted
Pump, 12- first is by mercury tank, and 13- second is by mercury tank, 14- Elemental Mercury discharge port, 15- Elemental Mercury discharge port valve, 16- delivery pump,
17- steam generation facility, 18- steam pipe oven.
Specific embodiment
The present invention will be further described below with reference to the drawings, but the present invention is limited in any way, base
In present invention teach that it is made it is any transform or replace, all belong to the scope of protection of the present invention.
The method of the present invention is first to use vapor that mercurous tail gas heating to 350 ~ 400 DEG C, is then dusted processing, is removed
Tail gas after dirt is very fast to be cooled to -40 DEG C hereinafter, the elemental mercury vapor in tail gas is made to condense into Elemental Mercury solid particle, vapor
Ice pellets is condensed into, collects Elemental Mercury, ice pellets is heated to be evaporated to vapor, and vapor sends tail gas heating step back to, and process is very fast
The tail gas of cooling is washed again, collects the Elemental Mercury in washing process, the cleaning of off-gas discharge after washing.
Preferably, the very fast cooling is cooled down using liquefied ammonia or liquid nitrogen.
The system of elemental mercury solid separation method in the mercurous tail gas as shown in Figure 1, including the steaming being successively linked in sequence
Vapour heat temperature raising system, dust dust pelletizing system, very fast cooling system, vent gas washing system, the discharge of the very fast cooling system
End, vent gas washing system drain side connect respectively with mercury recovery system, between mercury recovery system and steam heat temperature raising system
Equipped with steam replenishment system.
Preferably, the dust dust pelletizing system includes dust precipitator 1, and 1 bottom of dust precipitator is equipped with dust discharge port
2, dust discharge port 2 is equipped with dust discharge port valve 3.
Preferably, the dust precipitator 1 is ceramic fibre net bag type dust remover or ceramic fiber tube sack cleaner.
Preferably, the very fast cooling system includes dry type flash cold column 4, and array quenching pipe is equipped in dry type flash cold column 4
5, array quenching pipe 5 and refrigerating plant 6, refrigerant elevator pump 7, refrigerant reservoir 8 outside dry type flash cold column 4 pass through pipeline
Connection composition refrigerant circulation, 4 bottom of dry type flash cold column are exhaust end.
Preferably, the refrigerant in the refrigerant reservoir 8 is liquefied ammonia or liquid nitrogen.
Preferably, the array quenching pipe 5 is vertical direction more arrangements, horizontal direction multilayers in dry type flash cold column
Arrangement.
Preferably, the vent gas washing system includes scrubbing tower 9, is equipped with spray tube 10,9 peripheral hardware of scrubbing tower in scrubbing tower 9
There is cleaning solution riser, cleaning solution riser is equipped with recirculated water elevator pump 11, and cleaning solution riser one end is connect with spray tube 10,
The other end is connect with 9 side lower of scrubbing tower, and 9 bottom of scrubbing tower is drain side.
Preferably, the spray tube 10 is in meshy arrangement.
Preferably, the spray tube 10 arranges in scrubbing tower for horizontal direction more arrangements, vertical direction multilayer.
Preferably, the mercury recovery system include first by mercury tank 12, second by mercury tank 13, first by mercury tank 12 with it is very fast
The exhaust end of cooling system connects, and second is connect by mercury tank 13 with the drain side of vent gas washing system, and first is passed through by mercury tank 12
Pipeline is connect with second by mercury tank 13, and first is equipped with Elemental Mercury discharge port 14 by 12 bottom of mercury tank, and Elemental Mercury discharge port 14 is equipped with
Elemental Mercury discharge port valve 15；The steam replenishment system includes delivery pump 16, steam generation facility 17, the feed liquor of delivery pump 16
End is connect with first by mercury tank 12, and the outlet end of delivery pump 16 is connect with the liquid feeding end of steam generation facility 17, steam generation dress
17 outlet side is set to connect with steam heat temperature raising system.
Preferably, the refrigerating plant 6 is in contact with steam generation facility 17, and heat exchange can occur.
Preferably, the steam heat temperature raising system is steam pipe oven 18.
Preferably, the steam pipe oven 18 is cyclical superheating steam pipe oven.
Present system working principle and the course of work: mercurous tail gas enter steam heat temperature raising system be warming up to 350 ~
400 DEG C, subsequently into processing is dusted in dust precipitator 1, dust sinks to 1 bottom ash bucket of dust precipitator after being filtered,
Openable dust discharge port valve 3 is discharged from dust discharge port 2；Mercurous tail gas after dedusting enters dry type flash cold column 4, system
From the tail gas entered in array quenching pipe 5 and dry type flash cold column 4 in refrigerant reservoir 8 heat exchange occurs for cryogen, by tail gas
It is very fast to be cooled to -40 DEG C hereinafter, the elemental mercury vapor in dedusting tail gas is made to condense into Elemental Mercury solid particle, sink to dry type quenching
Tower tower bottom exhaust end enters first by mercury tank 12, openable Elemental Mercury discharge port valve 15, and Elemental Mercury is from Elemental Mercury discharge port
14 discharges；Refrigerant after heat exchange occurs comes back to refrigerant reservoir 8 by refrigerating plant 6 and refrigerant elevator pump 7
Middle recycling；By dry type flash cold column 4, treated that tail gas enters scrubbing tower 9 is purified, and purified tail gas is by washing
The discharge of 9 tower top of tower is washed, the washing water of scrubbing tower 9 is recycled by recirculated water elevator pump 11, and the Elemental Mercury in washing process is tired
Product is flowed into first by mercury tank 12 by mercury tank 13 in wash tower bottoms and by second；
First is formed mixture of ice and water by delivery pump 16 by the ice pellets in mercury tank 12, is sent into steam generation facility 17, steam hair
Generating apparatus 17 and 6 outer wall of refrigerating plant contact with each other and heat exchange occur, and using partial heat and steam generating device itself, produce
Unboiled water steam, vapor send the steam of steam heat temperature raising system supplement consumption back to.
Below with reference to 1 ~ embodiment of embodiment 3, the invention will be further described.
Embodiment 1
Elemental mercury solid separation method in mercurous tail gas, it is characterised in that first use vapor by mercurous tail gas heating to 350 DEG C,
Then it is dusted processing, the tail gas after dedusting is very fast to be cooled to -40 DEG C hereinafter, the elemental mercury vapor in tail gas is made to condense into list
Matter mercury solid particle, Water vapor condensation collect Elemental Mercury, ice pellets is heated to be evaporated to vapor, and vapor sends tail back at ice pellets
Gas heating stepses, the tail gas by very fast cooling are washed again, collect the Elemental Mercury in washing process, the purification tail after washing
Gas discharge.Elemental Mercury separative efficiency reaches 91%.
Embodiment 2
Elemental mercury solid separation method in mercurous tail gas, it is characterised in that first use vapor by mercurous tail gas heating to 375 DEG C,
Then it is dusted processing, the tail gas after dedusting is very fast to be cooled to -50 DEG C hereinafter, the elemental mercury vapor in tail gas is made to condense into list
Matter mercury solid particle, Water vapor condensation collect Elemental Mercury, ice pellets is heated to be evaporated to vapor, and vapor sends tail back at ice pellets
Gas heating stepses, the tail gas by very fast cooling are washed again, collect the Elemental Mercury in washing process, the purification tail after washing
Gas discharge.Elemental Mercury separative efficiency reaches 95%.
Embodiment 3
Elemental mercury solid separation method in mercurous tail gas, it is characterised in that first use vapor by mercurous tail gas heating to 400 DEG C,
Then it is dusted processing, the tail gas after dedusting is very fast to be cooled to -60 DEG C hereinafter, the elemental mercury vapor in tail gas is made to condense into list
Matter mercury solid particle, Water vapor condensation collect Elemental Mercury, ice pellets is heated to be evaporated to vapor, and vapor sends tail back at ice pellets
Gas heating stepses, the tail gas by very fast cooling are washed again, collect the Elemental Mercury in washing process, the purification tail after washing
Gas discharge.Elemental Mercury separative efficiency reaches 94%.
Claims (10)
1. elemental mercury solid separation method in a kind of mercurous tail gas, it is characterised in that first using vapor by mercurous tail gas heating extremely
350 ~ 400 DEG C, it is then dusted processing, the tail gas after dedusting is very fast to be cooled to -40 DEG C hereinafter, steaming the Elemental Mercury in tail gas
Vapour condenses into Elemental Mercury solid particle, and Water vapor condensation collects Elemental Mercury, ice pellets is heated to be evaporated to vapor, water at ice pellets
Steam sends tail gas heating step back to, and the tail gas by very fast cooling is washed again, collects the Elemental Mercury in washing process, washing
Cleaning of off-gas discharge afterwards.
2. according to claim 1 in mercurous tail gas elemental mercury solid separation method system, it is characterised in that it is described very fast
Cooling is cooled down using liquefied ammonia or liquid nitrogen.
3. a kind of system for realizing elemental mercury solid separation method in any mercurous tail gas of claim 1 ~ 3, feature exist
In including the steam heat temperature raising system, dust dust pelletizing system, the very fast cooling system, vent gas washing system that are successively linked in sequence,
The exhaust end of the very fast cooling system, the drain side of vent gas washing system are connect with mercury recovery system respectively, mercury recovery system
Steam replenishment system is equipped between steam heat temperature raising system.
4. according to claim 3 in mercurous tail gas elemental mercury solid separation method system, it is characterised in that the dust
Dust pelletizing system includes dust precipitator (1), and dust precipitator (1) bottom is equipped with dust discharge port (2), and dust discharge port (2) is set
There is dust discharge port valve (3).
5. according to claim 3 in mercurous tail gas elemental mercury solid separation method system, it is characterised in that it is described very fast
Cooling system includes dry type flash cold column (4), and array quenching pipe (5), array quenching pipe (5) are equipped in dry type flash cold column (4)
Pass through piping connection group with refrigerating plant (6), refrigerant elevator pump (7), the refrigerant reservoir (8) of dry type flash cold column (4) outside
At refrigerant circulation, dry type flash cold column (4) bottom is exhaust end.
6. according to claim 3 in mercurous tail gas elemental mercury solid separation method system, it is characterised in that the tail gas
Washing system includes scrubbing tower (9), is equipped with spray tube (10) in scrubbing tower (9), and scrubbing tower (9) is externally provided with cleaning solution riser,
Cleaning solution riser is equipped with recirculated water elevator pump (11), and cleaning solution riser one end connect with spray tube (10), the other end with wash
The connection of tower (9) side lower is washed, scrubbing tower (9) bottom is drain side.
7. according to claim 3 in mercurous tail gas elemental mercury solid separation method system, it is characterised in that the mercury return
Receipts system include first by mercury tank (12), second by mercury tank (13), first by mercury tank (12) and very fast cooling system exhaust end
Connection, second is connect by mercury tank (13) with the drain side of vent gas washing system, first by mercury tank (12) pass through pipeline and second by
Mercury tank (13) connection, first is equipped with Elemental Mercury discharge port (14) by mercury tank (12) bottom, and Elemental Mercury discharge port (14) is equipped with simple substance
Mercury discharge port valve (15)；The steam replenishment system includes delivery pump (16), steam generation facility (17), delivery pump (16)
Liquid feeding end is connect with first by mercury tank (12), and the outlet end of delivery pump (16) is connect with the liquid feeding end of steam generation facility (17),
The outlet side of steam generation facility (17) is connect with steam heat temperature raising system.
8. according to claim 5 in mercurous tail gas elemental mercury solid separation method system, it is characterised in that the refrigeration
Device (6) is in contact with steam generation facility (17), and heat exchange can occur.
9. according to claim 4 in mercurous tail gas elemental mercury solid separation method system, it is characterised in that the spray
Managing (10) is in meshy arrangement.
10. according to claim 4 in mercurous tail gas elemental mercury solid separation method system, it is characterised in that the dust
Deduster (1) is ceramic fibre net bag type dust remover or ceramic fiber tube sack cleaner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910204645.XA CN110029236A (en) | 2019-03-18 | 2019-03-18 | Elemental mercury solid separation method and system in a kind of mercurous tail gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910204645.XA CN110029236A (en) | 2019-03-18 | 2019-03-18 | Elemental mercury solid separation method and system in a kind of mercurous tail gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110029236A true CN110029236A (en) | 2019-07-19 |
Family
ID=67236079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910204645.XA Pending CN110029236A (en) | 2019-03-18 | 2019-03-18 | Elemental mercury solid separation method and system in a kind of mercurous tail gas |
Country Status (1)
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| CN (1) | CN110029236A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1586742A (en) * | 2004-09-01 | 2005-03-02 | 上海申光照明电器有限公司 | Treating device for waste slag containing mercury |
| CN102983047A (en) * | 2012-11-28 | 2013-03-20 | 大连东泰产业废弃物处理有限公司 | Waste fluorescent lamp handling method |
| CN204275789U (en) * | 2014-10-30 | 2015-04-22 | 昆明理工大学 | A kind of collection of mercury and recycling device |
| CN204485351U (en) * | 2015-03-12 | 2015-07-22 | 云南滇金投资有限公司 | Waste gas demercuration equipment |
| CN104998515A (en) * | 2015-07-31 | 2015-10-28 | 连云港大发环保科技有限公司 | Mercury recycling device recycling mercury from steam containing mercury |
| CN108559857A (en) * | 2018-04-23 | 2018-09-21 | 喜德县良在硅业有限公司 | A kind of useless mercury catalyst mercury recycling and slag harmlessness treatment process |
-
2019
- 2019-03-18 CN CN201910204645.XA patent/CN110029236A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1586742A (en) * | 2004-09-01 | 2005-03-02 | 上海申光照明电器有限公司 | Treating device for waste slag containing mercury |
| CN102983047A (en) * | 2012-11-28 | 2013-03-20 | 大连东泰产业废弃物处理有限公司 | Waste fluorescent lamp handling method |
| CN204275789U (en) * | 2014-10-30 | 2015-04-22 | 昆明理工大学 | A kind of collection of mercury and recycling device |
| CN204485351U (en) * | 2015-03-12 | 2015-07-22 | 云南滇金投资有限公司 | Waste gas demercuration equipment |
| CN104998515A (en) * | 2015-07-31 | 2015-10-28 | 连云港大发环保科技有限公司 | Mercury recycling device recycling mercury from steam containing mercury |
| CN108559857A (en) * | 2018-04-23 | 2018-09-21 | 喜德县良在硅业有限公司 | A kind of useless mercury catalyst mercury recycling and slag harmlessness treatment process |
Non-Patent Citations (1)
| Title |
|---|
| 华东化工学院: "《高等学校试用教科书 化工过程及设备 上》", 31 August 1961 * |
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