CN107174924A - A kind of energy-efficient absorption tower - Google Patents
A kind of energy-efficient absorption tower Download PDFInfo
- Publication number
- CN107174924A CN107174924A CN201710615533.4A CN201710615533A CN107174924A CN 107174924 A CN107174924 A CN 107174924A CN 201710615533 A CN201710615533 A CN 201710615533A CN 107174924 A CN107174924 A CN 107174924A
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- China
- Prior art keywords
- tower body
- tower
- pipeline
- energy
- liquid case
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Classifications
-
- 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
- B01D53/14—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 by absorption
- B01D53/1487—Removing organic compounds
-
- 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
- B01D53/14—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 by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Gas Separation By Absorption (AREA)
- Treating Waste Gases (AREA)
Abstract
The present invention relates to technical field of environment protection equipment, specifically disclose a kind of energy-efficient absorption tower, including tower body, the top of tower body is exported provided with organic exhaust gas, the bottom of tower body is provided with sewage draining exit, the side wall of tower body is from top to bottom sequentially provided with the first form, the second form, the 3rd form with being connected inside tower body, and the inner chamber of tower body is from top to bottom sequentially provided with:Demisting flaggy, demisting packing layer, spray system, the first packing layer, absorption liquid case, first packing layer and the tower body sidewall absorbed between liquid case are provided with organic exhaust gas import, recycle liquid pump and pipeline are provided with outside tower body, liquid case is absorbed to connect with spray system by recycle liquid pump and pipeline, the biodiesel being equipped with liquid case as absorbent is absorbed, biodiesel is sent in spray system by recycle liquid pump and pipeline.The beneficial effects of the invention are as follows resources conservation, good purification, with biological sustainability, assimilation effect is 1.5 times of remaining absorption tower.
Description
Technical field
The present invention relates to technical field of environment protection equipment, particularly a kind of energy-efficient absorption tower.
Background technology
Volatile organic matter(VOCs)Maximum the characteristics of is uncontrollable discharge, and uncontrollable discharge refers to pollutant without row
The random discharge of inflator, VOCs wide material sources, its pollution sources mainly include industrial source and life source.Industrial source is mainly to include
The industry of production industry and use containing VOCs products of VOCs raw materials, for example:Petroleum refining adds with petrochemical industry, coal
Work and conversion industry, oils(Fuel oil, solvent etc.)Store, transport and merchandising business, the product such as coating, ink, adhesive, agricultural chemicals;It is raw
Work-source includes the industries such as part-time decorations, food and beverage sevice and garment dry cleaning.VOCs participates in oxidation in the presence of positive light and heat
Nitrogen reacts to form ozone, cause air quality be deteriorated and be summer photochemical fog, the main component of city gray haze;Work as VOCs
During more than finite concentration, the eyes and respiratory tract of people can be stimulated, produce allergic, pharyngalgia and the symptom such as weak.VOCs can be damaged
Evil nervous centralis, liver, kidney, brain and the nervous system of harm people.
Present enviromental protection enterprise is mainly using active carbon adsorption, low-temperature plasma method, Production by Catalytic Combustion Process, absorption process etc. to life
The organic exhaust gas produced during production is handled, and these processing method advantage and disadvantage are as follows:
Active carbon adsorption is that current processing organic exhaust gas uses most methods, has good adsorptivity to benzene class waste gas
Can, but it is poor to hydro carbons waste gas adsorptivity.Major defect is that operating cost is higher, is not suitable for the environment of high humidity.
Production by Catalytic Combustion Process:Waste gas is heated through being catalyzed burning conversion into the carbon dioxide and water of harmless odorless;This law ignition
Temperature is low, energy-conservation, purifying rate is high, easy to operate, floor space is few but invests higher, it is adaptable to high temperature or high concentration it is organic
Waste gas, general medium-sized and small enterprises are difficult to throw to pay to use.
Absorption process:Physical Absorption typically is used, that is, introduces exhaust gas into behind absorption tower and to be purified with absorbing liquid counter current contacting,
Reclaimed after liquid saturation to be absorbed through heating, parsing, condensation;This law is applied to atm number, low temperature, the waste gas of low concentration, but needs
Heating parsing retracting device is equipped with, equipment volume is big, invest higher.
The content of the invention
The invention aims to solve the above problems, good efficient of a kind of resource-conserving, security is devised
Save absorption tower.
Realize above-mentioned purpose the technical scheme is that, a kind of energy-efficient absorption tower, including tower body, the tower body
Top is exported provided with organic exhaust gas, and the bottom of the tower body is provided with sewage draining exit, and the side wall of the tower body is from top to bottom sequentially provided with
With the first form, the second form, the 3rd form that are connected inside tower body, staff can be by the operation in form observing tower
Situation, the inner chamber of the tower body is from top to bottom sequentially provided with:Demisting flaggy, demisting packing layer, spray system, the first packing layer,
Liquid case is absorbed, the tower body sidewall between first packing layer and the absorption liquid case is provided with organic exhaust gas import, the suction
Receive and absorbent is housed in liquid case, the absorbent is to be provided with recycle liquid pump and pipeline, the suction outside biodiesel, the tower body
Receive liquid case to connect with spray system by recycle liquid pump and pipeline, the spray system includes the first spraying layer and the second spray
Layer, first spraying layer and the second spraying layer include the shower nozzle of conduit and two and the above, the conduit and pipeline communication;
Inside the tower body, the lower section of organic exhaust gas import is provided with heating tube, and the heating tube is connected with thermal resistance, and heating tube is by heat
Absorption liquid case is passed to, absorbing liquid is frozen when preventing winter, influence normal work, thermal resistance is located at outside tower body, thermoelectricity
Hinder for the thermal resistance sensor with display instrument, the temperature of heating tube can be monitored at any time.
Further, the top of the demisting packing layer and the first packing layer is equipped with filler laminate, described filler layer
Pressing plate includes horizontally disposed first plate, the Second Board and the 3rd plate, first plate and the Second Board and tower successively
Internal portion is fixedly connected, and the Second Board is detachably connected with the first plate and the 3rd plate respectively, and the Second Board is detachable
Connection, can conveniently check the shower nozzle for changing bottom.
Further, the shower nozzle is uniformly arranged on conduit, the structure of first spraying layer and the second spraying layer
It is identical and setting up and down.
Further, the pipeline is connected with the first spraying layer and the second spraying layer successively, and the pipeline is provided with pressure
Table and valve body, recycle liquid pump provide power, and the biodiesel absorbed in liquid case is sent into the first spraying layer and the second spraying layer,
When harmful substance is less in organic exhaust gas, it can only start the work of the first spraying layer with valve body.
Further, the shower nozzle is block-proof type shower nozzle, and the shower nozzle of block-proof type can avoid the particulate matter in organic exhaust gas
Shower nozzle is blocked, shower nozzle easily blocks reduction cleaning efficiency, the normal production of influence.
Further, the sewage draining exit is provided with valve, and valve, which is closed, ensures that the absorbent in tower will not flow out, and valve is beaten
Open, tower inner absorbent can be discharged.
Wherein, in the process of running, absorbent can constantly absorb the impurity in organic exhaust gas, and absorbent reaches full on absorption tower
And when, from sewage draining exit discharge, absorbent is convenient for changing, absorbent in operating efficiency, the present invention is improved and uses biodiesel, specifically
For Fatty acid methyl ester C8-C20, its absorption efficiency is high, and effect substantially, is substantially free of sulphur and causes dirt to environment in biodiesel
The aromatic series alkane of dye, biological sustainability is high, biodegradable, nontoxic, environmental sound;Security is good, is storing, is making
With and transportation in it is all very safe.
A kind of energy-efficient absorption tower made using technical scheme, its advantage is:1st, resource section
About, heating tube is provided with inside good purification, tower body, heating tube is used to heat absorbing liquid, to prevent being frozen, and heating tube is with being located at tower
Thermal resistance connection outside body, thermal resistance carries display instrument, heating tube temperature can be observed at any time;2nd, it is environment-friendly, it is biological sustainable,
Absorbent uses biodiesel, and absorption efficiency is high, and can be biodegradable, and does not pollute the environment;3rd, it is reasonable in design, tower body
Lower section is provided with sewage draining exit, can be expelled directly out the absorbent of saturation, improves operating efficiency;4th, transparent window is provided with outside tower body,
Further is purified in absorption organic exhaust gas provided with the first packing layer and demisting packing layer in operating mode that can at any time in observing tower, tower
Harmful substance, purification absorption efficiency is high.
Brief description of the drawings
Fig. 1 is the structural representation of tower body of the present invention;
Fig. 2 is the top view of tower body of the present invention;
Fig. 3 is equally distributed structural representation in the present invention;
In figure, 1, tower body;2nd, organic exhaust gas is exported;3rd, sewage draining exit;4th, the first form;5th, the second form;6th, the 3rd form;7th, remove
Mist flaggy;8th, demisting packing layer;9th, the first packing layer;10th, liquid case is absorbed;11st, organic exhaust gas import;12nd, recycle liquid pump;13、
Pipeline;14th, the first spraying layer;15th, the second spraying layer;16th, shower nozzle;17th, filler laminate;18th, heating tube;19th, thermal resistance;
20th, pressure gauge;21st, valve body;22nd, valve;23rd, conduit.
Embodiment
It should be understood that specific embodiment described herein is used only for explaining the present invention, it is not intended to limit the present invention.
The invention provides a kind of energy-efficient absorption tower as Figure 1-3, including tower body 1, the top of the tower body 1
Provided with organic exhaust gas outlet 2, the bottom of the tower body 1 is provided with sewage draining exit 3, and the side wall of the tower body 1 is from top to bottom sequentially provided with
The first form 4, the second form 5, the 3rd form 6 connected with the inside of tower body 1, staff can be by form observing tower
Running situation, the inner chamber of the tower body 1 is from top to bottom sequentially provided with:Demisting flaggy 7, demisting packing layer 8, spray system, first
Packing layer 9, absorption liquid case 10, wherein absorption liquid case 10 and spray system are engaged, the first packing layer is used to that absorbent will to be increased
With the contact area of organic exhaust gas, the impurity in organic exhaust gas is set to be absorbed, reacted, demisting packing layer 8 and demisting flaggy 7 are used for
Further remove the droplet carried secretly in organic exhaust gas, first packing layer 9 and the side wall of tower body 1 absorbed between liquid case 10
It is provided with organic exhaust gas import 11, the absorption liquid case 10 and absorbent is housed, the absorbent is biodiesel, the tower body
1 outside is provided with recycle liquid pump 12 and pipeline 13, and the absorption liquid case 10 is connected by recycle liquid pump 12 and pipeline 13 with spray system
Logical, the spray system includes the first spraying layer 14 and the second spraying layer 15, the spraying layer 15 of the first spraying layer 14 and second
Include the shower nozzle 16 of conduit 23 and two and the above, the conduit 23 is connected with pipeline 13;Inside the tower body 1, organic waste
The lower section of gas import 11 is provided with heating tube 18, and the heating tube 18 is connected with thermal resistance 19, and heating tube 18 transfers heat to suction
Liquid case 10 is received, in order to avoid the absorbent absorbed in liquid case 10 is frozen, the normal production of influence, thermal resistance 19 is located at outside tower body 1, thermoelectricity
Resistance 19 is the thermal resistance sensor with display instrument, and the temperature of heating tube 18 can be monitored at any time.
Preferably, the top of the first packing layer 9 is additionally provided with filler laminate 17, for reinforcing packing layer, the filler
Laminate includes horizontally disposed first plate, the Second Board and the 3rd plate successively, first plate and the Second Board with
It is fixedly connected inside tower body, the Second Board is detachably connected with the first plate and the 3rd plate respectively, and the Second Board is removable
Connection is unloaded, it is convenient to check the shower nozzle 16 for changing bottom.
Preferably, the shower nozzle 16 is uniformly arranged on conduit 23, the spraying layer 15 of the first spraying layer 14 and second
Structure it is identical and setting up and down.
Preferably, the pipeline 13 is connected with the first spraying layer 14 and the second spraying layer 15 successively, is set on the pipeline 13
There are pressure gauge 20 and valve body 21, recycle liquid pump 12 provides power, and the biodiesel absorbed in liquid case 10 is sent into the first spray
The spraying layer 15 of layer 14 and second, can be with 21 the first spraying layers of startup of valve body when harmful substance is less in organic exhaust gas
14 work.
Preferably, the shower nozzle 16 is spiral anti-clogging shower nozzle, and spiral anti-clogging shower nozzle can be avoided in organic exhaust gas
Particulate matter blocks shower nozzle, and shower nozzle 16, which is easily blocked, can reduce cleaning efficiency, the normal production of influence.
Preferably, the sewage draining exit 3 is provided with valve 22, and valve 22, which is closed, ensures that the absorbent in tower will not flow out, valve
Door 22 is opened, and can discharge tower inner absorbent.
When specifically used:Organic exhaust gas enters in tower from organic exhaust gas import, constantly motion upwards, passes through recycle liquid pump 12
The biodiesel absorbed in liquid case 10 is transferred to the first spraying layer 14 and the second spraying layer 15, biodiesel is filled with organic exhaust gas
Tap is touched, and the harmful substance in organic exhaust gas is absorbed, and in damming by demisting packing layer 8 and demisting flaggy 7, is effectively removed
The droplet carried secretly in organic exhaust gas, final organic exhaust gas is cleaned outside discharge tower, and this absorption tower uses New Absorbent, absorbs effect
Fruit is higher than general absorption tower, can reach 1.5-2 times of general absorption tower.
The present invention is simple in construction, novel in design, using dual packing layer, the design of double spraying layer and using biological bavin
Oil is as absorbent, and assimilation effect is obviously improved as 1.5-2 times of general absorption tower.
Finally it should be noted that:The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention,
Although the present invention is described in detail with reference to the foregoing embodiments, for those skilled in the art, it still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic,
Within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., should be included in the present invention's
Within protection domain.
Claims (6)
1. a kind of energy-efficient absorption tower, it is characterised in that:Including tower body, the top of the tower body is exported provided with organic exhaust gas,
The bottom of the tower body is provided with sewage draining exit, and the side wall of the tower body is from top to bottom sequentially provided with first connected with tower body inside and regarded
Window, the second form, the 3rd form, the inner chamber of the tower body is from top to bottom sequentially provided with:Demisting flaggy, demisting packing layer, spray
System, the first packing layer, absorption liquid case, the tower body sidewall between first packing layer and the absorption liquid case is provided with organic
Absorbent is housed, the absorbent is to be provided with circulation fluid outside biodiesel, the tower body in exhaust gas inlet, the absorption liquid case
Pump and pipeline, the absorption liquid case are connected by recycle liquid pump and pipeline with spray system, and the spray system includes the first spray
Drenching layer and the second spraying layer, first spraying layer and the second spraying layer include the shower nozzle of conduit and two and the above, described
Inside conduit and pipeline communication, the tower body, the lower section of organic exhaust gas import is provided with heating tube, and the heating tube connects with thermal resistance
Connect.
2. a kind of energy-efficient absorption tower according to claim 1, it is characterised in that:The demisting packing layer and first is filled out
The top of the bed of material is equipped with filler laminate, and described filler layer pressing plate includes horizontally disposed first plate, the Second Board successively
With the 3rd plate, first plate and the Second Board with being fixedly connected inside tower body, the Second Board respectively with the first plate
Block and the 3rd plate are detachably connected.
3. a kind of energy-efficient absorption tower according to claim 2, it is characterised in that:The shower nozzle, which is uniformly arranged on, leads
Guan Shang, the structure of first spraying layer and the second spraying layer is identical and setting up and down.
4. a kind of energy-efficient absorption tower according to claim 1 or 2, it is characterised in that:The pipeline is successively with first
Spraying layer and the connection of the second spraying layer, the pipeline are provided with pressure gauge and valve body.
5. a kind of energy-efficient absorption tower according to claim 1, it is characterised in that:The shower nozzle is block-proof type shower nozzle.
6. a kind of energy-efficient absorption tower according to claim 1, it is characterised in that:The sewage draining exit is provided with valve.
Priority Applications (1)
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CN201710615533.4A CN107174924A (en) | 2017-07-26 | 2017-07-26 | A kind of energy-efficient absorption tower |
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CN201710615533.4A CN107174924A (en) | 2017-07-26 | 2017-07-26 | A kind of energy-efficient absorption tower |
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CN107174924A true CN107174924A (en) | 2017-09-19 |
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CN201710615533.4A Pending CN107174924A (en) | 2017-07-26 | 2017-07-26 | A kind of energy-efficient absorption tower |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111408236A (en) * | 2020-03-17 | 2020-07-14 | 上海汉洁环境工程有限公司 | Waste gas absorption liquid for volatile organic gas treatment |
CN111939726A (en) * | 2020-07-17 | 2020-11-17 | 淮阴工学院 | Filler absorption tower and application method thereof |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19937902A1 (en) * | 1999-08-11 | 2001-02-22 | Rag Ag | Removing benzene, naphthalene and water from coke oven gas comprises scrubbing in counter-current stream using absorbent consisting of triethylene glycol at head of absorber column |
CN201101943Y (en) * | 2007-07-11 | 2008-08-20 | 云凤刚 | Spray column for multi-exhaust gas purification |
CN201735307U (en) * | 2009-12-10 | 2011-02-09 | 重庆工商大学 | Organic waste gas absorbing device |
CN102179137A (en) * | 2011-05-05 | 2011-09-14 | 艾特克控股集团有限公司 | Method for treating organic waste gas |
CN104289095A (en) * | 2014-11-07 | 2015-01-21 | 黄秀琼 | Pre-washing absorption tower |
CN105727693A (en) * | 2016-02-23 | 2016-07-06 | 北京沃太斯环保科技发展有限公司 | Absorbent for removing VOC waste gas and preparation method thereof |
-
2017
- 2017-07-26 CN CN201710615533.4A patent/CN107174924A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19937902A1 (en) * | 1999-08-11 | 2001-02-22 | Rag Ag | Removing benzene, naphthalene and water from coke oven gas comprises scrubbing in counter-current stream using absorbent consisting of triethylene glycol at head of absorber column |
CN201101943Y (en) * | 2007-07-11 | 2008-08-20 | 云凤刚 | Spray column for multi-exhaust gas purification |
CN201735307U (en) * | 2009-12-10 | 2011-02-09 | 重庆工商大学 | Organic waste gas absorbing device |
CN102179137A (en) * | 2011-05-05 | 2011-09-14 | 艾特克控股集团有限公司 | Method for treating organic waste gas |
CN104289095A (en) * | 2014-11-07 | 2015-01-21 | 黄秀琼 | Pre-washing absorption tower |
CN105727693A (en) * | 2016-02-23 | 2016-07-06 | 北京沃太斯环保科技发展有限公司 | Absorbent for removing VOC waste gas and preparation method thereof |
Non-Patent Citations (7)
Title |
---|
《铸造车间通风除尘技术》编写组: "《铸造车间通风除尘技术》", 28 February 1983, 机械工业出版社 * |
FRACTIONATION RESEARCH INC.: "《塔器设计手册 下》", 31 March 2005, 中国石化出版社 * |
刘天齐等: "《三废处理工程技术手册 废气卷》", 31 May 1999, 化学工业出版社 * |
王学生等: "《化工设备设计》", 30 September 2011, 华东理工大学出版社 * |
王朗等: "《生物发酵产业技术》", 31 May 2016, 中国轻工业出版社 * |
王立新等: "液体吸收法脱除涂料生产中排放有机废气的研究", 《上海涂料》 * |
田树等: "《铝合金生产安全及环保技术》", 31 October 2009, 冶金工业出版社 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111408236A (en) * | 2020-03-17 | 2020-07-14 | 上海汉洁环境工程有限公司 | Waste gas absorption liquid for volatile organic gas treatment |
CN111939726A (en) * | 2020-07-17 | 2020-11-17 | 淮阴工学院 | Filler absorption tower and application method thereof |
CN111939726B (en) * | 2020-07-17 | 2023-01-24 | 淮阴工学院 | Filler absorption tower and application method thereof |
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Application publication date: 20170919 |