CN106139867A - A kind of corrosivity exhaust gas processing device and method - Google Patents
A kind of corrosivity exhaust gas processing device and method Download PDFInfo
- Publication number
- CN106139867A CN106139867A CN201610736974.5A CN201610736974A CN106139867A CN 106139867 A CN106139867 A CN 106139867A CN 201610736974 A CN201610736974 A CN 201610736974A CN 106139867 A CN106139867 A CN 106139867A
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- China
- Prior art keywords
- heat
- air chamber
- filtrate
- exhaust gas
- processing device
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/10—Mixing gases with gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/231—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids by bubbling
- B01F23/23105—Arrangement or manipulation of the gas bubbling devices
- B01F23/2311—Mounting the bubbling devices or the diffusers
- B01F23/23112—Mounting the bubbling devices or the diffusers comprising the use of flow guiding elements adjacent or above the gas stream
- B01F23/231121—Mounting the bubbling devices or the diffusers comprising the use of flow guiding elements adjacent or above the gas stream the flow guiding elements being baffles, tubes or walls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/50—Mixing receptacles
- B01F35/53—Mixing receptacles characterised by the configuration of the interior, e.g. baffles for facilitating the mixing of components
- B01F35/531—Mixing receptacles characterised by the configuration of the interior, e.g. baffles for facilitating the mixing of components with baffles, plates or bars on the wall or the bottom
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
-
- 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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Sustainable Development (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a kind of corrosivity exhaust gas processing device and method, it is arranged in soot emissions system, the end of soot emissions system is connected to heat exchange air chamber, many heat pipes are set in heat exchange air chamber, the adiabatic section of heat pipe and condensation segment pass described air chamber, condensation segment penetrates in the catch box containing heat-conducting liquid, and the bottom of the reservoir containing filtrate is stretched into through trachea in the gas outlet of air chamber, is provided with the barrier that bubble breaking can be made to be less bubble in filtrate.Heat pipe is utilized to carry out the recovery of heat, it is to avoid to produce thermal pollution；Secondly, toxic and harmful is carried out harmless treatment.
Description
Technical field
The present invention relates to operating mode enterprise or the flue dust of all kinds of generation flue dust equipment of other mechanisms generation, fume emission system
System, is specifically related to a kind of corrosivity exhaust gas processing device and method.
Background technology
In commercial production and people's lives, have employed substantial amounts of high-temp combustion, exhaust ventilation or other relate to flue dust
Discharge equipment, as mine set, smelting equipment, petrochemical equipment, boiler, incinerator etc., its produce gaseous products
Flue gas containing various harmful chemical compositions and a large amount of dust, discharged in air by soot emissions system, causes a large amount of
Flue dust is directly entered in air, and environment is caused dust pollution, and also steam pollutes, and threatens ecological balance and vegeto-animal life
Long, the impact on human health is the most serious.
Such as, sodium hexameta phosphate is molten poly-by sodium dihydrogen phosphate thermal dehydration, then the transparent glassy obtained through quenching
Powder or flakey solid.Molten in-furnace temperature is higher than 750 DEG C, and emptying end gas temperature 350～450 DEG C contain in its emission
Certain corrosive gas, such as fluohydric acid gas, sulfur dioxide and phosphorus pentoxide etc..
Summary of the invention
According to above the deficiencies in the prior art, the technical problem to be solved is to propose at a kind of corrosivity tail gas
Reason device and method, carries out energy exchange by heat pipe, it is achieved the heat recovery in tail gas.
In order to solve above-mentioned technical problem, the technical solution used in the present invention is: a kind of corrosivity exhaust gas treating method,
In soot emissions system, recycling the used heat discharged, waste gas enters heat exchange air chamber, the heat in air chamber through pipeline
The evaporator section of pipe transfers heat to condensation segment, heat-conducting liquid absorb the heat of waste gas, and the gas outlet of air chamber connects through pipeline
Bottom to filtrate is transformed into a lot of bubbles the least, runs into barrier and be broken for less gas in bubble uphill process
Bubble, is sufficiently mixed with filtrate.The outlet pipe that described air chamber is connected to filtrate is vertical with filtrate liquid level.In described filtration
The liquid level of liquid applies the negative pressure that the tail gas easily made in filtrate separates out.Described filtrate is according to the different chemical in tail gas
Composition uses liquid of different nature, is harmless after making gas reaction.
A kind of corrosivity exhaust gas processing device, is arranged in soot emissions system, and the end of soot emissions system is connected to
Heat exchange air chamber, arranges many heat pipes in heat exchange air chamber, the adiabatic section of heat pipe and condensation segment pass described air chamber, and condensation segment is worn
Entering in the catch box containing heat-conducting liquid, the bottom of the reservoir containing filtrate is stretched into through trachea in the gas outlet of air chamber, filters
The barrier that bubble breaking can be made to be less bubble it is provided with in liquid.Described heat exchange air chamber is multiple U-tube attachment structures.
The outlet pipe that described air chamber is connected to filtrate is vertical with filtrate liquid level, and many heat pipes are sequentially arranged in the vertical direction.
Described air chamber is body structure, in air chamber is connected to the outlet pipe of filtrate or sidewall is provided with conductive fluid casing, heat conduction
In liquid casing, conductive fluid is set.Being provided with blind pipe between described heat pipe condenser section and conductive fluid, blind pipe is contained within heat conduction silicone oil.Described
Reservoir is multiple being sequentially connected in series, and the filtrate in reservoir uses liquid of different nature according to the different chemical composition in tail gas
Body, is harmless after making gas reaction.
The medicine have the advantages that and utilize heat pipe to carry out the recovery of heat, it is to avoid produce thermal pollution；Secondly, to poisonous
Harmful gas carries out harmless treatment.
Accompanying drawing explanation
Below the content expressed by this specification accompanying drawing and the labelling in figure are briefly described:
Fig. 1 is the exhaust gas processing device structural representation one of the detailed description of the invention of the present invention.
Fig. 2 is the exhaust gas processing device structural representation two of the detailed description of the invention of the present invention.
Wherein, 1 heat exchange air chamber, 2 catch boxs, 3 heat pipes, 4 reservoir, 5 conductive fluid casings.
Detailed description of the invention
Below against accompanying drawing, by the description to embodiment, each component that the detailed description of the invention of the present invention is the most involved
Shape, structure, mutual alignment between each several part and annexation, the effect of each several part and operation principle, manufacturing process and
Operate with method etc., be described in further detail, to help those skilled in the art to the inventive concept of the present invention, technology
Scheme has more complete, accurate and deep understanding.
As it is shown in figure 1, the structure chart of the corrosivity exhaust gas processing device provided for the present invention, this exhaust gas processing device is main
In the exhaust treatment system containing corrosive impurity, such as the tail gas produced in sodium hexameta phosphate production process.
The waste gas waste heat recovery plant of the present invention includes connecting pipeline, heat pipe heat exchanging unit and the sealing for Chalk-dust filtering
Case, soot emissions system is connected to heat pipe crosspoint by connecting pipeline, and the tail gas of heat pipe crosspoint enters in reservoir.
The waste heat recovery plant of the present invention mainly includes heat pipe, and heat pipe includes adiabatic section, condensation segment and evaporator section, gas outlet
Being connected to heat exchange air chamber, arrange many heat pipes in heat exchange air chamber, the adiabatic section of heat pipe and condensation segment pass described air chamber, cold
Solidifying section penetrates in the catch box containing heat-conducting liquid, and evaporator section is placed in heat exchange air chamber.Used heat through heat exchange air chamber, with
Heat pipe evaporator section carries out heat exchange, and heat is delivered to condensation segment through adiabatic section, and heat pipe condenser section is carried out with the liquid in catch box
Heat exchange, it is achieved energy regenerating.
Heat exchange air chamber can be rectangular box body structure, and heat pipe in the vertical direction is the most horizontally arranged, the evaporation of heat pipe
Section is placed in described heat exchange air chamber, and condensation segment is placed in catch box, and the body structure of cuboid makes tail gas through heat exchange gas
The time of room is shorter, and after heat exchange, tail gas is more than 250 DEG C, and the tail gas after heat exchange, through the connection pipeline of lower section, connects vertical
Heat exchange is carried out with the conductive fluid in conductive fluid casing at pipeline.If because for produce the tail gas of sodium hexameta phosphate directly from
400 degrees Celsius drop to less than 150 DEG C, the most in a device condensation, fouling, and dirt condenses in affects heat transfer efficiency on heat pipe.
Fouling in vertical pipe, the drop that can be condensed is scrubbed in the reservoir falling into lower section.
For producing the gas condensing dirt, heat exchange air chamber may be selected to be multiple U-tube attachment structure, by heat pipe
Evaporator section be placed in shown U-tube, waste gas enters through U-tube one end, discharges from opposite side, makes extend time of contact, often singly
Position gas becomes big with the contact area of heat pipe, it is achieved the abundant exchange of heat.Smoke dust filter and the connection of heat exchange air chamber
Pipeline is provided with branched pipe, and branched pipe is provided with control valve, and branched pipe is expelled directly out, and therefore, it can by controlling on branched pipe
Control valve gate control enter into the waste gas in heat exchange air chamber, realize the control of temperature of liquid in catch box further.Heat
Being provided with blind pipe between pipework condensation section and conductive fluid, blind pipe is contained within heat conduction silicone oil.Can avoid heat pipe leakage, that improves device can
By performance.
The outlet pipe that air chamber is connected to filtrate is vertical with filtrate liquid level, many heat pipe cloth the most successively
Put.Heat exchange air chamber in the vertical direction arranges, for the circulating direction of gas.
The end of heat exchange air chamber connects reservoir, and reservoir is contained within filtrate, and air chamber end stretches into bottom filtrate,
Filtrate is contained within multilamellar by the filtration of band mesh that bubble breaking is little bubble.Liquid can use neutral liquid,
Acidic liquid or akaline liquid, use corresponding liquid according to waste gas small particles character, make expellant gas nontoxic.
Present invention further propose that the method that can realize said apparatus Waste Heat Recovery, in soot emissions system, to institute
The used heat discharged recycles, and waste gas enters heat exchange air chamber through pipeline, and heat is passed by the evaporator section of the heat pipe in air chamber
Being delivered to condensation segment, heat-conducting liquid absorb the heat of waste gas, the bottom that the gas outlet of air chamber is connected to filtrate through pipeline changes
Become a lot of bubbles the least, bubble uphill process runs into barrier and is broken for less bubble, be sufficiently mixed with filtrate.
The outlet pipe that described air chamber is connected to filtrate is vertical with filtrate liquid level.Liquid level at described filtrate applies one easily
Make the negative pressure that the tail gas in filtrate separates out.Described filtrate uses liquid of different nature according to the different chemical composition in tail gas
Body, is harmless after making gas reaction.
Above in conjunction with accompanying drawing, the present invention is exemplarily described, it is clear that the present invention implements not by aforesaid way
Restriction, as long as have employed the method design of the present invention and the improvement of various unsubstantialities that technical scheme is carried out, or without changing
Enter and design and the technical scheme of the present invention are directly applied to other occasion, all within protection scope of the present invention.This
Bright protection domain should be as the criterion with the protection domain that claims are limited.
Claims (10)
1. a corrosivity exhaust gas treating method, it is characterised in that in soot emissions system, is carried out back the used heat discharged
Receipts process, it is characterised in that waste gas enters heat exchange air chamber through pipeline, and the evaporator section of the heat pipe in air chamber transfers heat to cold
Solidifying section, is absorbed the heat of waste gas by heat-conducting liquid, and the bottom that the gas outlet of air chamber is connected to filtrate through pipeline is transformed into a lot
The least individual bubble, runs into barrier and is broken for less bubble, be sufficiently mixed with filtrate in bubble uphill process.
Corrosivity exhaust gas treating method the most according to claim 1, it is characterised in that described air chamber is connected to filtrate
Outlet pipe is vertical with filtrate liquid level.
Corrosivity exhaust gas treating method the most according to claim 1, it is characterised in that the liquid level at described filtrate applies
The negative pressure that one tail gas easily made in filtrate separates out.
Corrosivity exhaust gas treating method the most according to claim 1, described filtrate becomes according to the different chemical in tail gas
Divide and use liquid of different nature, be harmless after making gas reaction.
5. corrosivity exhaust gas treating method according to claim 1 and the corrosivity exhaust gas processing device that manufactures, its
Being characterised by, being arranged in soot emissions system, the end of soot emissions system is connected to heat exchange air chamber, in heat exchange air chamber
Arranging many heat pipes, the adiabatic section of heat pipe and condensation segment pass described air chamber, and condensation segment penetrates the catch box containing heat-conducting liquid
In, the bottom of the reservoir containing filtrate is stretched into through trachea in the gas outlet of air chamber, is provided with and can make bubble breaking in filtrate
Barrier for less bubble.
Corrosivity exhaust gas processing device the most according to claim 5, it is characterised in that described heat exchange air chamber is multiple U
Type pipe connecting structure.
Corrosivity exhaust gas processing device the most according to claim 5, it is characterised in that described air chamber is connected to filtrate
Outlet pipe is vertical with filtrate liquid level, and many heat pipes are sequentially arranged in the vertical direction.
Corrosivity exhaust gas processing device the most according to claim 7, it is characterised in that described air chamber is body structure, gas
In room is connected to the outlet pipe of filtrate or sidewall is provided with conductive fluid casing, in conductive fluid casing, conductive fluid is set.
Corrosivity exhaust gas processing device the most according to claim 5, it is characterised in that described heat pipe condenser section and conductive fluid
Between be provided with blind pipe, blind pipe is contained within heat conduction silicone oil.
Corrosivity exhaust gas processing device the most according to claim 5, it is characterised in that described reservoir be multiple successively
Series connection, the filtrate in reservoir uses liquid of different nature according to the different chemical composition in tail gas, after making gas reaction
For harmless.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610736974.5A CN106139867A (en) | 2016-08-26 | 2016-08-26 | A kind of corrosivity exhaust gas processing device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610736974.5A CN106139867A (en) | 2016-08-26 | 2016-08-26 | A kind of corrosivity exhaust gas processing device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106139867A true CN106139867A (en) | 2016-11-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610736974.5A Pending CN106139867A (en) | 2016-08-26 | 2016-08-26 | A kind of corrosivity exhaust gas processing device and method |
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| Country | Link |
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| CN (1) | CN106139867A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI630299B (en) * | 2017-08-10 | 2018-07-21 | 展坊企業有限公司 | Waste heat treatment system applied to setting machine and method thereof |
| CN108310895A (en) * | 2018-03-08 | 2018-07-24 | 洪霞 | Emission reduction water-saving system for air contaminant treatment |
Citations (6)
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|---|---|---|---|---|
| JPS55143388A (en) * | 1979-04-23 | 1980-11-08 | Suzuki Kinzoku Kogyo Kk | Heat pipe system waste heat recovery device |
| CN2052523U (en) * | 1989-03-13 | 1990-02-07 | 何良坤 | Anticorrosion heat-exchange apparatus of heat-pipe |
| CN101650072A (en) * | 2008-08-14 | 2010-02-17 | 肖建选 | Multi-stage heat-exchange and waste heat recovery hot-air system with function of purifying fuel gas |
| US20140283506A1 (en) * | 2013-03-22 | 2014-09-25 | Hitachi Metals, Ltd. | Heat pipe, composite material and heat exchanger |
| CN104634143A (en) * | 2015-02-04 | 2015-05-20 | 山东大学 | Heat-convertible heat pipe exchanger and working method thereof |
| CN105588137A (en) * | 2014-10-21 | 2016-05-18 | 王帅 | Heat pipe waste heat recovery device |
-
2016
- 2016-08-26 CN CN201610736974.5A patent/CN106139867A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55143388A (en) * | 1979-04-23 | 1980-11-08 | Suzuki Kinzoku Kogyo Kk | Heat pipe system waste heat recovery device |
| CN2052523U (en) * | 1989-03-13 | 1990-02-07 | 何良坤 | Anticorrosion heat-exchange apparatus of heat-pipe |
| CN101650072A (en) * | 2008-08-14 | 2010-02-17 | 肖建选 | Multi-stage heat-exchange and waste heat recovery hot-air system with function of purifying fuel gas |
| US20140283506A1 (en) * | 2013-03-22 | 2014-09-25 | Hitachi Metals, Ltd. | Heat pipe, composite material and heat exchanger |
| CN105588137A (en) * | 2014-10-21 | 2016-05-18 | 王帅 | Heat pipe waste heat recovery device |
| CN104634143A (en) * | 2015-02-04 | 2015-05-20 | 山东大学 | Heat-convertible heat pipe exchanger and working method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 胡逸民等: "《内燃机废气净化》", 31 August 1994 * |
| 黄素逸: "《十三五普通高等教育本科规划教材 能源与节能技术 第3版》", 31 January 2016 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI630299B (en) * | 2017-08-10 | 2018-07-21 | 展坊企業有限公司 | Waste heat treatment system applied to setting machine and method thereof |
| CN108310895A (en) * | 2018-03-08 | 2018-07-24 | 洪霞 | Emission reduction water-saving system for air contaminant treatment |
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Application publication date: 20161123 |
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