CN109911963A - A kind of organic wastewater vaporising device and method based on graphene nano technology - Google Patents
A kind of organic wastewater vaporising device and method based on graphene nano technology Download PDFInfo
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Abstract
The invention discloses a kind of organic wastewater vaporising devices based on graphene nano technology, including evaporating kettle, gas conduit a and gas conduit b, the inner wall of the evaporating kettle is coated with heating coating, which is successively coated with heat insulation layer, graphene heating coating and anti-solvent coating from inside to outside；The invention also discloses a kind of application methods of organic wastewater vaporising device based on graphene nano technology；The beneficial effects of the present invention are: built-in sensors and intelligent temperature controller control graphene heating temperature, and make full use of graphene heating film Intelligent temperature control far infrared heating and the uniform feature of fever carry out organic wastewater uniformly, controlled evaporation evaporation, evaporation energy consumption is reduced, the decomposition of organic wastewater hot-spot is avoided to cause secondary pollution；Two groups of evaporation collection devices are arranged in parallel, and can utmostly realize that organic wastewater continuous evaporation operates by valve free switching, improve organic wastewater evaporation technology efficiency.
Description
Technical field
The invention belongs to environmental protection technical fields, and in particular to a kind of organic wastewater steaming based on graphene nano technology
The application method of transmitting apparatus and the device.
Background technique
Organic wastewater refers generally to the sewage discharged by papermaking, weaving dye transfer, leather, food industry process, due to containing
There are a large amount of carbohydrate, protein, grease, surfactant, lignin, azo dyes, more benzene ring compounds, ingredient is multiple
Miscellaneous, organic concentration is high, and many organic matters have larger toxicity or peculiar smell or even carcinogenic, very big to environmental hazard, it is necessary to deeply
Easy, efficient, low cost the organic wastewater treatment process of exploitation.Traditional extraction, absorption method, sonication are in technique
Bottleneck is met in terms of cost, waste water treatment efficiency.
Dilute graphite is that the highest substance of thermal conductivity, thermal coefficient are up to 5000W/mK in the world, is common metal thermal conductivity
50~100 times of rate, and the dilute single layer two-dimensional structure of graphite is easy to form passage of heat in the base are a kind of preferably to mention
The filler of high heat conductance.Graphene film material by design can radiate 8~15 microns of far infrared under certain condition
Line, and temperature control is realized by Intelligent temperature controller, there is temperature-controllable, uniform feature of generating heat can be effectively applied to organic
In sewage evaporation technique.
In recent years, people, which explore, carries out treatment of Organic Wastewater by evaporation, in simple process, waste water treatment efficiency side
Approval is won in face, and can effectively avoid serious environmental pollution caused by direct emission.People are evaporated using forced circulation form
Device carries out wastewater treatment, but this method heat transfer efficiency is lower, and circulation pump power requires greatly, and energy consumption is high, at high cost, and need compared with
Big available space goes to install；Although traditional horizontal type level pipe downward film evaporator coefficient of heat transfer is relatively high, occupied space and energy
Consumption aspect is smaller, but it is not uniform enough to generate heat, and be easy to cause hot-spot or bumping, and organic matter decomposition is caused to cause secondary dirt
Dye, and it haves the defects that easily fouling under treating high-concentration saline organic wastewater ambient condition, is unable to get effective and extensive
It uses.How energy-saving and environmental protection, efficiently handle organic wastewater, become a great problem of current industry.
Summary of the invention
The purpose of the present invention is to provide a kind of organic wastewater vaporising device and method based on graphene nano technology, with
Solve it is mentioned above in the background art using forced circulation form evaporator carry out wastewater treatment, but this method heat transfer efficiency compared with
Low, circulation pump power requires greatly, and energy consumption is high, at high cost, and larger available space is needed to go to install；Traditional horizontal type level pipe drop
It is smaller in terms of occupied space and energy consumption although the kestner long-tube evaporator coefficient of heat transfer is relatively high, it generates heat not uniform enough, is easy to make
At hot-spot or bumping, organic matter decomposition is caused to cause secondary pollution, and it is in treating high-concentration saline organic wastewater ambient condition
It is lower to have the defects that easily fouling, it is unable to get effective and extensive using problem.
To achieve the above object, the invention provides the following technical scheme: a kind of organic waste based on graphene nano technology
Water evaporating apparatus, including evaporating kettle, gas conduit a and gas conduit b, the inner wall of the evaporating kettle are coated with heating coating, should
Heating coating is successively coated with heat insulation layer, graphene heating coating and anti-solvent coating, the two sides of the evaporating kettle from inside to outside
It is respectively arranged with waste water collector a and waste water collector b, the side of waste water collector a is provided with waste gas absorption tower a, waste water
The side of collector b is provided with waste gas absorption tower b, is provided with agitating device on the evaporating kettle, which includes stirring
Paddle and stirring rod, one end of the stirring rod and the transmission axis connection of motor, the other end extends into evaporating kettle, and is connected with and stirs
Paddle is mixed, the surface of the agitating paddle is successively coated with heat insulation layer, graphene heating coating and anti-solvent coating, the stirring from inside to outside
Intelligent temperature controller is additionally provided on stick, the interior bottom of the evaporating kettle is fixed with solid with after the evaporation being connected to outside evaporating kettle
Body waste discharge valve is additionally provided with built-in sensors a and built-in sensors b, the front surface of the evaporating kettle in the evaporating kettle
The junction for offering observation window, the evaporating kettle and waste water collector a and evaporating kettle and waste water collector b is respectively arranged with
Organic wastewater condensate recycling device, the organic wastewater condensate recycling device include ground valve a, straight cold finger a, condensed water
Import and export a, vacuum adopter a, ground valve b, straight cold finger b, condensation water entrance b and vacuum adopter b, the straight
Condenser pipe a and vacuum adopter a is connect with condensation water entrance a respectively, the inside of the vacuum adopter a and waste water collector a
It is connected to, is connected with ground valve a on straight cold finger a, and ground valve a is connected to the inside of evaporating kettle, the straight is cold
Solidifying pipe b and vacuum adopter b is connect with condensation water entrance b respectively, and the inside of the vacuum adopter b and waste water collector b connect
It is logical, ground valve b is connected on straight cold finger b, and ground valve b is connected to the inside of evaporating kettle, the wastewater collection
It is collected that the interior bottom of device a, which is fixed in waste water the dump valve a, the waste water collector a being connected to outside waste water collector a,
Waste water a, the waste water collector a are connected to by gas conduit a with waste gas absorption tower a, are placed in the waste gas absorption tower a useless
Aspiration material a, the interior bottom of the waste water collector b are fixed with the waste water dump valve b being connected to outside waste water collector b,
It is also collected waste water b in the waste water collector b, the waste water collector b and waste gas absorption tower b are connected by gas conduit b
It is logical, waste gas absorption material b is placed in the waste gas absorption tower b.
As a preferred technical solution of the invention, the heat insulation layer is Parylene, polyarylether, polyamides Asia
Amine, polybenzimidazoles, poly quinoline, polypyrrole, graphite mould ladder polymer, any one in phenanthroline class ladder polymer.
As a preferred technical solution of the invention, the anti-solvent coating is fluorocarbon coating, polytetrafluoroethylene (PTFE), gathers
Any one in ether ether ketone, polyurethane or modified polyurethane nano material.
As a preferred technical solution of the invention, the graphene heating coating by graphene nano material-part,
Far infrared auxiliary material powder-part, binder-part, dispersing agent-part, other auxiliary agents-part are constituted.
The graphene nano material is graphene, nitrogen-doped graphene, boron doping graphene, manganese oxide-graphene are received
Rice material, tin oxide/graphene nanocomposite material, titanium dioxide/graphene nanocomposite, graphene-carbon nano tube
Any one in composite material.
As a preferred technical solution of the invention, the binder is prepared as follows: at 60-90 DEG C
It is added resin under agitation, the mass ratio of resin and solvent is 1:4；After resin complete wetting, 3- is kept the temperature at 70-80 DEG C
5 hours, and filter while hot to obtain the final product.
As a preferred technical solution of the invention, the resin is epoxy resin, polyamide, organosilicon tree
Rouge, acrylic resin, polyurethane resin, unsaturated polyester resin, oiliness chlorinated polyether resin, oiliness superchlorinated polyvinyl chloride resin, oiliness chlorine
In vinegar resin, celluosic resin any one or mix in any proportion a variety of.
As a preferred technical solution of the invention, the solvent is butyl glycol ether, butyl, acetic acid
N-butyl, propylene glycol monomethyl ether, propylene glycol methyl ether acetate, turpentine oil, terpinol, any one in tributyl citrate.
The invention also discloses a kind of application methods of organic wastewater vaporising device based on graphene nano technology, including
Following steps:
Step 1: in evaporating kettle, organic wastewater to be evaporated is added by feed opening, organic wastewater to be evaporated passes through stirring
Paddle is stirred so as to evaporate more uniformly, and in whipping process, organic wastewater to be evaporated controllably add by heating coating
Heat, and temperature adjusting, evaporation are carried out by built-in sensors a, built-in sensors b and the intelligent temperature controller being attached thereto
Temperature range is between 20-250 DEG C, to reach controllable organic wastewater evaporation required temperature；
Step 2: the heating in the case where heating coating, agitating paddle surface have been coated with heating film, to organic wastewater
More uniformly, it can be achieved that the controllable heating evaporation of organic wastewater, solid waste dump valve after the setting evaporation of evaporating kettle bottom are convenient
Solid waste will clean, remove in time after evaporation, in evaporating kettle upper limb, highly 2/3 left and right settings observation window, can open observe or
Direct sample is each side connected with a set of organic wastewater condensing recovery dress for detecting organic wastewater evaporation situation, evaporating kettle
It sets, two sets of parallel organic wastewater condensate recycling devices can be evaporated in organic wastewater realizes the processing of organic wastewater rapid evaporation early period,
Stage opens or closes operation by ground valve a, ground valve b, condenses blocked operation through organic wastewater, realizes serialization
Organic wastewater evaporation；
Step 3: organic wastewater condensate recycling device is by left and right sides straight cold finger a disposed in parallel, straight cold finger
B, matched condensation water entrance a, condensation water entrance b, evaporation will open condensed water after starting, and optionally adjust cold
Condensate water size, and the vacuum adopter connected along organic wastewater flow direction in straight cold finger a, straight cold finger b tail end
A, vacuum adopter b, is equally arranged in parallel；Waste water a collected by recycled organic wastewater, collected waste water b, are flowed by pipeline
In waste water collector waste water collector a, waste water collector b；
Step 4: it is led between waste gas absorption tower a, waste gas absorption tower b and waste water collector a, waste water collector b by gas
Pipe a, gas conduit b are connected, and waste gas absorption material a, waste gas absorption material b are graphene oxide sodium hydroxide score liquid, give up
Aspiration tower a, the bottom waste gas absorption tower b are provided with magnetic stir bar and matched magnetic stirring apparatus, steam convenient for organic wastewater
Residual exhaust gases absorb more complete after hair.
Compared with prior art, the beneficial effects of the present invention are:
(1) built-in sensors and intelligent temperature controller control graphene heating temperature, and graphene is made full use of to generate heat
Film Intelligent temperature control far infrared heating and the uniform feature of fever carry out organic wastewater uniformly, controlled evaporation evaporation, reduce evaporation energy consumption,
The decomposition of organic wastewater hot-spot is avoided to cause secondary pollution；
(2) two groups of evaporation collection devices are arranged in parallel, and organic wastewater can utmostly be realized by valve free switching
Continuous evaporation operation, improves organic wastewater evaporation technology efficiency.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
In figure: 1, evaporating kettle；2, heating coating；3, agitating paddle；4a, built-in sensors；4b, built-in sensors；5, it evaporates
Solid waste dump valve afterwards；6, organic wastewater to be evaporated；7, stirring rod；8, intelligent temperature controller；9, observation window；10a, ground
Valve；10b, ground valve；11a, straight cold finger；11b, straight cold finger；12a, condensation water entrance；12b, condensed water into
Outlet；13a, vacuum adopter；13b, vacuum adopter；14a, waste water collector；14b, waste water collector；It is 15a, collected useless
Water；15b, collected waste water；16a, waste water dump valve；16b, waste water dump valve；17a, gas conduit；17b, gas conduit；
18a, waste gas absorption tower；18b, waste gas absorption tower；19a, waste gas absorption material；19b, waste gas absorption material.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, the present invention provides a kind of technical solution: a kind of organic wastewater evaporation based on graphene nano technology
Device, including evaporating kettle 1, gas conduit 17a and gas conduit 17b, the inner wall of evaporating kettle 1 are coated with heating coating 2, the fever
Coating 2 is successively coated with heat insulation layer, graphene heating coating and anti-solvent coating from inside to outside, and the two sides of evaporating kettle 1 are set respectively
It is equipped with waste water collector 14a and waste water collector 14b, the side of waste water collector 14a is provided with waste gas absorption tower 18a, gives up
The side of water collector 14b is provided with waste gas absorption tower 18b, is provided with agitating device on evaporating kettle 1, which includes stirring
Paddle 3 and stirring rod 7, one end of stirring rod 7 and the transmission axis connection of motor are mixed, the other end extends into evaporating kettle 1, and is connected with
Agitating paddle 3, the surface of the agitating paddle 3 are successively coated with heat insulation layer, graphene heating coating and anti-solvent coating from inside to outside, should
Intelligent temperature controller 8 is additionally provided in stirring rod 7, the interior bottom of evaporating kettle 1 is fixed with the evaporation being connected to outside evaporating kettle 1
Solid waste dump valve 5 afterwards is additionally provided with built-in sensors 4a and built-in sensors 4b, the front surface of evaporating kettle 1 in evaporating kettle 1
The junction for offering observation window 9, evaporating kettle 1 and waste water collector 14a and evaporating kettle 1 and waste water collector 14b is set respectively
It is equipped with organic wastewater condensate recycling device, organic wastewater condensate recycling device includes ground valve 10a, straight cold finger 11a, cold
Condensate inlet and outlet 12a, vacuum adopter 13a, ground valve 10b, straight cold finger 11b, condensation water entrance 12b and vacuum connect
Managed 13b, straight cold finger 11a and vacuum adopter 13a are connect with condensation water entrance 12a respectively, vacuum adopter 13a
Be connected to the inside of waste water collector 14a, be connected with ground valve 10a on straight cold finger 11a, and ground valve 10a with
The inside of evaporating kettle 1 is connected to, and straight cold finger 11b and vacuum adopter 13b are connect with condensation water entrance 12b respectively, this is true
Empty adopter 13b is connected to the inside of waste water collector 14b, ground valve 10b is connected on straight cold finger 11b, and grind
Mouth valve 10b is connected to the inside of evaporating kettle 1, and the interior bottom of waste water collector 14a is fixed with to be connected with outside waste water collector 14a
It is also collected waste water 15a, waste water collector 14a and waste gas absorption tower in logical waste water dump valve 16a, waste water collector 14a
18a is connected to by gas conduit 17a, and waste gas absorption material 19a is placed in waste gas absorption tower 18a, and waste water collector 14b's is interior
Bottom is fixed in waste water the dump valve 16b, waste water collector 14b being connected to outside waste water collector 14b as collected waste water
15b, waste water collector 14b and waste gas absorption tower 18b are connected to by gas conduit 17b, are placed with exhaust gas in waste gas absorption tower 18b
Absorbing material 19b.
In the present embodiment, it is preferred that heat insulation layer is Parylene, polyarylether, polyimides, polybenzimidazoles, poly- quinoline
Quinoline, polypyrrole, graphite mould ladder polymer, any one in phenanthroline class ladder polymer.
In the present embodiment, it is preferred that anti-solvent coating is fluorocarbon coating, polytetrafluoroethylene (PTFE), polyether-ether-ketone, polyurethane or changes
Any one in property polyurethane nano material.
In the present embodiment, it is preferred that graphene heating coating is by 10-30 parts of graphene nano material, far infrared ingredient powder
5-8 parts last, 30-50 parts of binder, 3-5 parts of dispersing agent, 2-3 parts of other auxiliary agents compositions.
In the present embodiment, it is preferred that graphene nano material is graphene, nitrogen-doped graphene, boron doping graphene, oxygen
Change manganese-graphene nano material, tin oxide/graphene nanocomposite material, titanium dioxide/graphene nanocomposite, stone
Any one in black alkene-carbon nano tube compound material.
In the present embodiment, it is preferred that binder is prepared as follows: being added under agitation at 60-90 DEG C
The mass ratio of resin, resin and solvent is 1:4；After resin complete wetting, 3-5 hours are kept the temperature at 70-80 DEG C, and filter while hot
To obtain the final product.
In the present embodiment, it is preferred that resin is epoxy resin, polyamide, organic siliconresin, acrylic resin, gathers
Urethane resin, unsaturated polyester resin, oiliness chlorinated polyether resin, oiliness superchlorinated polyvinyl chloride resin, oiliness vinyl chloride-vinyl acetate resin, celluosic resin
In any one or mix in any proportion a variety of.
In the present embodiment, it is preferred that solvent is butyl glycol ether, butyl, n-butyl acetate, propylene glycol first
Ether, propylene glycol methyl ether acetate, turpentine oil, terpinol, any one in tributyl citrate.
A kind of application method of the organic wastewater vaporising device based on graphene nano technology, includes the following steps:
Step 1: in evaporating kettle 1, organic wastewater 6 to be evaporated is added by feed opening, organic wastewater 6 to be evaporated passes through
Agitating paddle 3 is stirred so as to evaporate more uniformly, and in whipping process, organic wastewater 6 to be evaporated is carried out by heating coating 2
Controllable heating, and temperature is carried out by built-in sensors 4a, built-in sensors 4b and the intelligent temperature controller 8 being attached thereto
It adjusts, evaporating temperature range is between 20-250 DEG C, to reach controllable organic wastewater evaporation required temperature；
Step 2: in the case where heating coating 2,3 surface of agitating paddle have been coated with heating film, organic wastewater is added
Heat more uniformly, it can be achieved that organic wastewater controllable heating evaporation, 1 bottom of evaporating kettle setting evaporation after solid waste dump valve 5,
Facilitate and solid waste after evaporation is cleaned in time, is removed, in 1 upper limb of evaporating kettle, 2/3 left and right settings observation window 9 of height can be opened
Observation or direct sample are used to detect organic wastewater evaporation situation, and evaporating kettle 1 is each side connected with a set of organic waste water cooling
Solidifying recyclable device, two sets of parallel organic wastewater condensate recycling devices can be evaporated in organic wastewater realizes organic wastewater rapid steaming early period
Hair processing, stage open or close operation by ground valve 10a, ground valve 10b, condense through organic wastewater and alternately grasp
Make, realizes the evaporation of serialization organic wastewater；
Step 3: organic wastewater condensate recycling device is condensed by left and right sides straight cold finger 11a disposed in parallel, straight
Pipe 11b, matched condensation water entrance 12a, condensation water entrance 12b, evaporation will open condensed water after starting, and regard feelings
Condition adjusts condensed water water size, and connects along organic wastewater flow direction in straight cold finger 11a, straight cold finger 11b tail end
Vacuum adopter 13a, vacuum adopter 13b, be equally arranged in parallel；It is waste water 15a collected by recycled organic wastewater, collected
Waste water 15b is flowed into waste water collector waste water collector 14a, waste water collector 14b by pipeline respectively；
Step 4: lead between waste gas absorption tower 18a, waste gas absorption tower 18b and waste water collector 14a, waste water collector 14b
Cross gas conduit 17a, gas conduit 17b is connected, waste gas absorption material 19a, waste gas absorption material 19b be graphene oxide hydrogen
Sodium oxide molybdena score liquid, waste gas absorption tower 18a, the bottom waste gas absorption tower 18b are provided with magnetic stir bar and matched magnetic agitation
Device absorbs more complete convenient for residual exhaust gases after organic wastewater evaporation.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention are limited by appended claims and its jljl.
Claims (9)
1. a kind of organic wastewater vaporising device based on graphene nano technology, including evaporating kettle (1), gas conduit (17a) and
The inner wall of gas conduit (17b), the evaporating kettle (1) is coated with heating coating (2), and the heating coating (2) is from inside to outside successively
It is coated with heat insulation layer, graphene heating coating and anti-solvent coating, the two sides of the evaporating kettle (1) are respectively arranged with wastewater collection
Device (14a) and waste water collector (14b), the side of the waste water collector (14a) are provided with waste gas absorption tower (18a), and waste water is received
The side of storage (14b) is provided with waste gas absorption tower (18b), it is characterised in that: stirring dress is provided on the evaporating kettle (1)
It sets, which includes agitating paddle (3) and stirring rod (7), one end of the stirring rod (7) and the transmission axis connection of motor,
The other end extends into evaporating kettle (1), and is connected with agitating paddle (3), and the surface of the agitating paddle (3) is successively coated with from inside to outside
Heat insulation layer, graphene heating coating and anti-solvent coating are additionally provided with intelligent temperature controller (8) in the stirring rod (7), described
The interior bottom of evaporating kettle (1) is fixed with and solid waste dump valve (5), the evaporation after the evaporation being connected to outside evaporating kettle (1)
Built-in sensors (4a) and built-in sensors (4b) are additionally provided in kettle (1), the front surface of the evaporating kettle (1) offers observation
Window (9), the connection punishment of the evaporating kettle (1) and waste water collector (14a) and evaporating kettle (1) and waste water collector (14b)
It is not provided with organic wastewater condensate recycling device, the organic wastewater condensate recycling device includes that ground valve (10a), straight are cold
It is solidifying pipe (11a), condensation water entrance (12a), vacuum adopter (13a), ground valve (10b), straight cold finger (11b), cold
Condensate imports and exports (12b) and vacuum adopter (13b), the straight cold finger (11a) and vacuum adopter (13a) respectively with it is cold
Condensate imports and exports (12a) connection, which is connected to the inside of waste water collector (14a), the straight cold finger
It is connected on (11a) ground valve (10a), and ground valve (10a) is connected to the inside of evaporating kettle (1), the straight condensation
Pipe (11b) and vacuum adopter (13b) are connect with condensation water entrance (12b) respectively, and the vacuum adopter (13b) and waste water are received
The inside of storage (14b) is connected to, and is connected with ground valve (10b) on the straight cold finger (11b), and ground valve (10b) with
The inside of evaporating kettle (1) is connected to, and the interior bottom of the waste water collector (14a) is fixed with and connects outside waste water collector (14a)
Logical waste water dump valve (16a), the interior waste water collector (14a) is collected waste water (15a), the waste water collector
(14a) is connected to waste gas absorption tower (18a) by gas conduit (17a), and exhaust gas suction is placed in the waste gas absorption tower (18a)
It receives material (19a), the interior bottom of the waste water collector (14b) is fixed with and the external waste water being connected to of waste water collector (14b)
Dump valve (16b), the interior waste water collector (14b) is collected waste water (15b), the waste water collector (14b) and exhaust gas
Absorption tower (18b) is connected to by gas conduit (17b), is placed with waste gas absorption material in the waste gas absorption tower (18b)
(19b)。
2. a kind of organic wastewater vaporising device based on graphene nano technology according to claim 1, it is characterised in that:
The heat insulation layer is that Parylene, polyarylether, polyimides, polybenzimidazoles, poly quinoline, polypyrrole, graphite mould are trapezoidal poly-
Close object, any one in phenanthroline class ladder polymer.
3. a kind of organic wastewater vaporising device based on graphene nano technology according to claim 1, it is characterised in that:
The anti-solvent coating is appointing in fluorocarbon coating, polytetrafluoroethylene (PTFE), polyether-ether-ketone, polyurethane or modified polyurethane nano material
It anticipates one kind.
4. a kind of organic wastewater vaporising device based on graphene nano technology according to claim 1, it is characterised in that:
The graphene heating coating by 10-30 parts of graphene nano material, 5-8 parts of far infrared auxiliary material powder, 30-50 parts of binder,
3-5 parts of dispersing agent, 2-3 parts of other auxiliary agents compositions.
5. a kind of organic wastewater vaporising device based on graphene nano technology according to claim 4, it is characterised in that:
The graphene nano material is graphene, nitrogen-doped graphene, boron doping graphene, manganese oxide-graphene nano material, oxygen
Change tin/graphene nanocomposite material, titanium dioxide/graphene nanocomposite, in graphene-carbon nano tube composite material
Any one.
6. a kind of organic wastewater vaporising device and method based on graphene nano technology according to claim 4, special
Sign is: the binder is prepared as follows: resin, resin and solvent is added at 60-90 DEG C under agitation
Mass ratio be 1:4；After resin complete wetting, keep the temperature 3-5 hours at 70-80 DEG C, and filter while hot to obtain the final product.
7. a kind of organic wastewater vaporising device based on graphene nano technology according to claim 6, it is characterised in that:
The resin is epoxy resin, polyamide, organic siliconresin, acrylic resin, polyurethane resin, unsaturated polyester (UP) tree
Rouge, oiliness chlorinated polyether resin, oiliness superchlorinated polyvinyl chloride resin, oiliness vinyl chloride-vinyl acetate resin, in celluosic resin any one or by any
Ratio mixes a variety of.
8. a kind of organic wastewater vaporising device based on graphene nano technology according to claim 6, it is characterised in that:
The solvent is butyl glycol ether, butyl, n-butyl acetate, propylene glycol monomethyl ether, propylene glycol methyl ether acetate, turpentine
Oil, terpinol, any one in tributyl citrate.
9. a kind of organic wastewater vaporising device based on graphene nano technology according to claim 1-8 makes
With method, characterized by the following steps:
Step 1: in evaporating kettle (1), being added organic wastewater to be evaporated (6) by feed opening, and organic wastewater (6) to be evaporated is logical
It crosses agitating paddle (3) to be stirred so as to evaporate more uniformly, in whipping process, organic wastewater (6) to be evaporated is applied by fever
Layer (2) is controllably heated, and passes through built-in sensors (4a), built-in sensors (4b) and the intelligent temperature control being attached thereto
Device (8) processed carries out temperature adjusting, and evaporating temperature range is between 20-250 DEG C, to reach warm needed for controllable organic wastewater evaporation
Degree；
Step 2: in the case where heating coating (2), agitating paddle (3) surface have been coated with heating film, organic wastewater is added
Heat is more uniformly, it can be achieved that the controllable heating evaporation of organic wastewater, solid waste dump valve after the setting evaporation of evaporating kettle (1) bottom
(5), facilitate and solid waste after evaporation is cleaned in time, is removed, in evaporating kettle (1) upper limb, 2/3 left and right settings observation window of height
(9), observation or direct sample can be opened and be each side connected with one for detecting organic wastewater evaporation situation, evaporating kettle (1)
Organic wastewater condensate recycling device is covered, two sets of parallel organic wastewater condensate recycling devices can be evaporated in organic wastewater realizes have early period
The processing of machine waste water rapid evaporation, stage opens or closes operation by ground valve (10a), ground valve (10b), through organic
Waste water condenses blocked operation, realizes the evaporation of serialization organic wastewater；
Step 3: organic wastewater condensate recycling device is by left and right sides straight cold finger disposed in parallel (11a), straight cold finger
(11b), matched condensation water entrance (12a), condensation water entrance (12b), evaporation will open condensed water after starting, and
Condensed water water size is optionally adjusted, and is flowed to along organic wastewater in straight cold finger (11a), straight cold finger (11b)
Vacuum adopter (13a), the vacuum adopter (13b) of tail end connection, are equally arranged in parallel；It gives up collected by recycled organic wastewater
Water (15a), collected waste water (15b) flow into waste water collector waste water collector (14a), waste water collector (14b) by pipeline
In；
Step 4: waste gas absorption tower (18a), waste gas absorption tower (18b) and waste water collector (14a), waste water collector (14b) it
Between be connected by gas conduit (17a), gas conduit (17b), waste gas absorption material (19a), waste gas absorption material (19b) are
Graphene oxide sodium hydroxide score liquid, waste gas absorption tower (18a), the bottom waste gas absorption tower (18b) are provided with magnetic stir bar
And matched magnetic stirring apparatus, it is absorbed convenient for residual exhaust gases after organic wastewater evaporation more complete.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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Application publication date: 20190621 |