CN106694445B - A kind of devices and methods therefor to be degreased using carbon tetrachloride - Google Patents
A kind of devices and methods therefor to be degreased using carbon tetrachloride Download PDFInfo
- Publication number
- CN106694445B CN106694445B CN201611240970.4A CN201611240970A CN106694445B CN 106694445 B CN106694445 B CN 106694445B CN 201611240970 A CN201611240970 A CN 201611240970A CN 106694445 B CN106694445 B CN 106694445B
- Authority
- CN
- China
- Prior art keywords
- carbon tetrachloride
- tank
- clarifier
- waste liquid
- destilling tower
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/74—Recovery of fats, fatty oils, fatty acids or other fatty substances, e.g. lanolin or waxes
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Soil Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The present invention provides a kind of devices and methods therefor to degrease using carbon tetrachloride, is related to oily waste treatment technical field.Device includes: the clarifier-tank for purifying contaminated object, carbon tetrachloride feed reservoir, waste liquid pool, separate tank, destilling tower and rectifying column for isolation of purified object and waste liquid.Clarifier-tank has feed inlet, and carbon tetrachloride feed reservoir is connected to clarifier-tank, and clarifier-tank is connected to waste liquid pool, and separate tank has discharge port, and clarifier-tank and separate tank are connected to destilling tower, and destilling tower is connected to rectifying column, and rectifying column is connected to carbon tetrachloride feed reservoir.Destilling tower is exported with oil plant, and rectifying column is exported with tail washings.Method includes: that pollutant is soaked in carbon tetrachloride to obtain waste liquid, waste liquid is obtained oil plant and carbon tetrachloride through vacuum distillation, carbon tetrachloride is in case in recycling.The present invention purifies oil pollution object using carbon tetrachloride, and the carbon tetrachloride in waste liquid is separated with oil plant, realizes recycling for carbon tetrachloride.
Description
Technical field
The present invention relates to oily waste treatment technical fields, and in particular to a kind of device to be degreased using carbon tetrachloride and its
Method.
Background technique
Greasy dirt plastics and petroleum-contaminated soil occur mainly with oil exploitation, transport and refining process.
The existing processing method of greasy dirt plastics specifically includes that burning, burial and chemical recovery.And burning and burying can make
At environmental pollution, aggravate environmental degradation.And existing chemical recovery mainly has supercritical water chemical recycling and plastic cracking to produce
Fuel.Supercritical water chemical recycling is to utilize performance and certain oxygen of the water in supercriticality with organic solvent under normality
The property changed can make waste plastic that degradation occur or decompose, to recycle value product or monomer.But existing chemistry
Recycling but has the characteristics that complex process, higher cost and risk are larger.Therefore, new greasy dirt plastics secondary utilization process is found
It is the inevitable choice of Sustainable Development of Ecological Environment.
Petroleum-contaminated soil can hinder root system of plant to the absorption of nutrient and moisture, influence the permeability of soil, and polycyclic aromatic hydrocarbon
Etc. poisonous and harmful substances can be progressively enriched in plant, harm health.Therefore, petroleum-contaminated soil processing technique is also resource secondary
Utilize the inevitable choice with Sustainable Development of Ecological Environment.
Summary of the invention
The purpose of the present invention is to provide a kind of devices to be degreased using carbon tetrachloride, are able to use carbon tetrachloride to oil
Dirty pollutant carries out degreasing purification processing.
Another object of the present invention is to provide a kind of methods to be degreased using carbon tetrachloride, to be able to use above-mentioned dress
Set the purification for realizing pollutant.
The present invention solves its technical problem and adopts the following technical solutions to realize.
The present invention proposes a kind of device to degrease using carbon tetrachloride comprising: for purifying contaminated object clarifier-tank,
Carbon tetrachloride feed reservoir, waste liquid pool, separate tank, destilling tower and rectifying column for isolation of purified object and waste liquid.Clarifier-tank has
Feed inlet, carbon tetrachloride feed reservoir are connected to clarifier-tank, and clarifier-tank is connected to waste liquid pool, and separate tank has discharge port, clarifier-tank
It is connected to destilling tower with separate tank, destilling tower is connected to rectifying column, and rectifying column is connected to carbon tetrachloride feed reservoir.Destilling tower tool
There is oil plant outlet, rectifying column is exported with tail washings.
Further, in a preferred embodiment of the present invention, clarifier-tank includes the multiple Whirlwind tanks being sequentially communicated.Carbon tetrachloride
Feed reservoir and waste liquid pool are connected to multiple Whirlwind tanks.
Further, in a preferred embodiment of the present invention, clarifier-tank further includes air compressor machine, air accumulator and membrane separator.Only
The roof for changing pond is connected to membrane separator, and membrane separator and air accumulator are connected to air compressor machine, the bottom wall of air compressor machine and Whirlwind tank
Connection.Baffle is provided in Whirlwind tank, baffle plate setting there are multiple stomatas that baffle is distributed in snail shape, multiple stomatas
Axis is parallel to each other, and the axis of stomata favours baffle plate setting and through baffle.
Further, in a preferred embodiment of the present invention, separate tank is internally provided with sieve and is set to adding in sieve
Backing.Sieve is obliquely installed along feedstock direction to the discharging direction of separate tank.The roof of separate tank is provided with offgas outlet, separation
The bottom wall in pond is provided with discharge channel.
Further, in a preferred embodiment of the present invention, the pipeline being connected between separate tank and destilling tower is provided with first
Condenser.
Further, in a preferred embodiment of the present invention, further include for collect separate tank generation waste liquid buffer pool.
Waste liquid pool and separate tank are connected to buffer pool, and buffer pool is connected to destilling tower.The pipeline being connected between buffer pool and destilling tower
It is provided with preheater.
Further, in a preferred embodiment of the present invention, the pipeline being connected between destilling tower and rectifying column is provided with second
Condenser.
Further, in a preferred embodiment of the present invention, the pipeline being connected between rectifying column and carbon tetrachloride feed reservoir is set
It is equipped with third condenser.
The present invention also proposes a kind of method to degrease using carbon tetrachloride comprising:
Pollutant is soaked in carbon tetrachloride and obtains waste liquid, waste liquid is obtained into oil plant and carbon tetrachloride through being evaporated under reduced pressure, four
Chlorination carbon is in case in recycling.
Further, in a preferred embodiment of the present invention, obtained carbon tetrachloride is sharp in circulation after vacuum distillation
With preceding, further include the steps that carrying out rectifying to it.
The beneficial effects of the present invention are:
The device to be degreased using carbon tetrachloride that present pre-ferred embodiments provide has simple process and cost is relatively low
The advantages that.Purification object can be separated with waste liquid by separate tank.It can be by the tetrachloro in waste liquid by destilling tower and rectifying column
Change carbon and oil plant separation, realize carbon tetrachloride recycle and the recycling of oil plant.In dye greasy dirt waste plastics and dye greasy dirt
The purifications such as soil, have preferable promotional value in recycling and reusing.
The method to be degreased using carbon tetrachloride that present pre-ferred embodiments provide has easy to operate and simple process
The features such as, it can be realized carbon tetrachloride and recycled what is degreased, simultaneously, additionally it is possible to recycle oil plant and be recycled.Meet
The national circular economy advocated energetically at present, has significant environmental benefit and social benefit.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the process flow chart provided in an embodiment of the present invention to be degreased using carbon tetrachloride；
Fig. 2 is the process flow chart of separate tank provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of separate tank provided in an embodiment of the present invention；
Fig. 4 is sampling comparison diagram in device area before and after pollutant purification provided in an embodiment of the present invention.
Icon: the device that 100- uses carbon tetrachloride to degrease；110- clarifier-tank；111- feed inlet；112- level-one eddy flow
Pond；113- second level Whirlwind tank；114- baffle；115- stomata；116- air compressor machine；117- air accumulator；118- membrane separator；119- tail
Aspiration receiving apparatus；120- carbon tetrachloride feed reservoir；130- waste liquid pool；131- preheater；132- buffer pool；140- separate tank；
141- level-one separate tank；142- the second-order separation pond；143- discharge port；The first condenser of 144-；145- heating sheet；146- sieve；
147- discharge channel；148- offgas outlet；149- communicating pipe；150- destilling tower；The outlet of 151- oil plant；152- second is condensed
Device；160- rectifying column；The outlet of 161- tail washings；162- third condenser.
Specific embodiment
It in order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below will be in the embodiment of the present invention
Technical solution be clearly and completely described.The person that is not specified actual conditions in embodiment, according to normal conditions or manufacturer builds
The condition of view carries out.Reagents or instruments used without specified manufacturer is the conventional production that can be obtained by commercially available purchase
Product.
The device 100 to be degreased using carbon tetrachloride and method of the embodiment of the present invention are specifically described below.
Please refer to Fig. 1, a kind of device 100 to degrease using carbon tetrachloride provided in this embodiment comprising clarifier-tank
110, carbon tetrachloride feed reservoir 120, waste liquid pool 130, separate tank 140, destilling tower 150 and rectifying column 160.Wherein, carbon tetrachloride
Feed reservoir 120 is connected to clarifier-tank 110, and clarifier-tank 110 is connected to waste liquid pool 130, clarifier-tank 110 and separate tank 140 with steaming
The connection of tower 150 is evaporated, destilling tower 150 is connected to rectifying column 160, and rectifying column 160 is connected to carbon tetrachloride feed reservoir 120.
Clarifier-tank 110 is Whirlwind tank.Specifically, clarifier-tank 110 includes level-one Whirlwind tank 112, second level Whirlwind tank 113, sky
Press 116, air accumulator 117, membrane separator 118 and device for absorbing tail gas 119, wherein level-one Whirlwind tank 112 and second level Whirlwind tank
113 head and the tail are connected to.Level-one Whirlwind tank 112 is enclosed construction with second level Whirlwind tank 113 and their structure is similar, herein only with
For level-one Whirlwind tank 112.Incorporated by reference to Fig. 1 and Fig. 2, level-one Whirlwind tank 112 has feed inlet 111 close to the position of its roof,
Pollutant can be passed through in level-one Whirlwind tank 112 by feed inlet 111.The roof of level-one Whirlwind tank 112 is provided with tetrachloro
Change carbon inlet and gas vent (being not marked in figure).The bottom wall of level-one Whirlwind tank 112 is provided with waste liquid outlet and gas feed
(being not marked in figure).The gas vent of 112 roof of level-one Whirlwind tank is connected to membrane separator 118, air compressor machine 116 and tail gas absorption
Device 119 is connected to membrane separator 118, and air accumulator 117 is connected to air compressor machine 116, air compressor machine 116 and level-one Whirlwind tank 112
The gas feed of bottom wall is connected to.After nitrogen or inert gas in air accumulator 117 are pressurizeed by air compressor machine 116, revolved by level-one
The bottom wall in stream pond 112 enters in it and is stirred to carbon tetrachloride and pollutant, then by the roof of level-one Whirlwind tank 112 into
Enter into membrane separator 118.Wherein, the nitrogen or inert gas entered inside membrane separator 118, which carries carbon tetrachloride etc., to be had
Evil gas, via the separation of membrane separator 118, obtained nitrogen or inert gas is again introduced into air compressor machine 116 in case in following
Ring utilizes, and the pernicious gases such as obtained carbon tetrachloride are thrown into atmosphere after the absorption via device for absorbing tail gas 119 again.
Baffle 114 is provided in level-one Whirlwind tank 112, baffle 114 is connected with the inner wall of level-one Whirlwind tank 112, and is located at
The position of the close bottom wall of level-one Whirlwind tank 112.There is certain gap between baffle 114 and the bottom wall of level-one Whirlwind tank 112.
Baffle 114 is provided with multiple stomatas 115 that baffle 114 is distributed in snail shape, and the axis of multiple stomatas 115 is mutually flat
Row, and the axis of multiple stomatas 115 favours the setting of baffle 114 and through baffle 114.Level-one Whirlwind tank 112 is close to baffle
114 side wall is provided with the outlet of purification object, and purified pollutant can enter the progress of second level Whirlwind tank 113 by the outlet
Further purification.By the way that gap is arranged, the gas being passed into the gap passes through stomata 115 after capable of being distributed wherein again, makes
Obtaining gas drives carbon tetrachloride and pollutant in level-one Whirlwind tank 112 to form eddy flow, realizes sufficient stirring action.Using nitrogen
The mode of gas or inert gas eddy flow, so that the pollutant being soaked in carbon tetrachloride obtains preferable clean-up effect, while work
Skill is simple, to keep the safety in production.
Carbon tetrachloride feed reservoir 120 is connected to the level-one Whirlwind tank 112 of clarifier-tank 110 and second level Whirlwind tank 113, tetrachloro
The carbon tetrachloride of 110 supplying clean of clarifier-tank can be continuously for purifying contaminated object by changing carbon raw material pond 120.
Hold it is above-mentioned, the present embodiment do not lie in limitation clarifier-tank 110 number, as long as according to the kind for the pollutant to be purified
Class and dosage reasonably select and set the number of clarifier-tank 110.Meanwhile air compressor machine 116, air accumulator 117, UF membrane
Device 118 and device for absorbing tail gas 119 all have the characteristics of cost is relatively low, facilitate existing oily water car wash transformation.
Fig. 1 and Fig. 3 are please referred to, separate tank 140 includes level-one separate tank 141 and the second-order separation pond 142 of head and the tail connection.One
Grade separate tank 141 is that its their structure of enclosed construction is similar with the second-order separation pond 142, herein only with level-one separate tank 141
For.Specifically, heating sheet 145 and sieve 146 are provided in level-one separate tank 141.Its close roof of level-one separate tank 141
Position be provided with purification object import, the purification object of the purification object import and clarifier-tank 110, which exports, to be connected, so that purified
Pollutant, which is able to enter in separate tank 140, separates purification object with carbon tetrachloride.Setting in the middle part of the side wall of level-one separate tank 141
There is communicating pipe 149, the both ends of communicating pipe 149 are connected to level-one separate tank 141 and the second-order separation pond 142 respectively.Level-one separate tank
141 bottom wall is provided with discharge channel 147, and level-one separate tank 141 is connected to by discharge channel 147 with buffer pool 132.Two
Grade separate tank 142 is provided with discharge port 143, obtains final purification object by discharge port 143.Sieve 146 is separated along level-one
The feedstock direction in pond 141 to discharging direction is obliquely installed, i.e., one end of sieve 146 is connect with the side wall of setting purification object import,
The other end with setting communicating pipe 149 side wall connect, and the both ends of sieve 146 be located at purify object import lower part be connected to
The lower part of pipe 149 enables to purification object and waste liquid that its potential energy can be leaned on by a fraction by the way that sieve 146 to be obliquely installed
From pond 141, purification object and waste liquid are separated in sieve 146.
Separating effect in order to further increase is provided with heating sheet 145 in sieve 146, and the roof of level-one separate tank 141 is set
It is equipped with offgas outlet 148, level-one separate tank 141 is connected to by offgas outlet 148 with destilling tower 150.Oil entrained by pollutant
Its dirty boiling point is higher than 100 DEG C, and the boiling point of carbon tetrachloride is 76.8 DEG C.By controlling the heating temperature of heating sheet 145, so that four
Chlorination carbon, which volatilizees and passes through offgas outlet 148, to be entered in destilling tower 150, by the fever of heating sheet 145, is capable of providing greasy dirt
Mobility, facilitate it and flow through sieve 146, thus improve purification object and carbon tetrachloride and greasy dirt separating effect.
Hold it is above-mentioned, sieve 146 inside the second-order separation pond 142 along the second-order separation pond 142 feedstock direction to discharging direction
It is obliquely installed, i.e., one end of sieve 146 is connect with the side wall of setting communicating pipe 149, the side wall of the other end and setting discharge port 143
Connection, and the both ends of sieve 146 are located at the lower part of communicating pipe 149 and the lower part of discharge port 143, by the way that sieve 146 is inclined
Tiltedly setting enables purification object and waste liquid after separating by level-one separate tank 141 that its potential energy is leaned on to enter the second-order separation pond 142
It is separated again, with the no longer subsidiary waste liquid containing carbon tetrachloride and greasy dirt of the purification object for ensuring to exclude by discharge port 143.
The present embodiment does not need the number of limitation separate tank 140, as long as according to that can guarantee to purify the thorough of object and waste liquid.
Pipeline between connection separate tank 140 and destilling tower 150 is provided with the first condenser 144.Pass through the first condenser
The carbon tetrachloride of vaporization is condensed into liquefaction by 144, guarantees that the carbon tetrachloride of liquefaction carries a point pernicious gas with it and exists
Separation in destilling tower 150.
The level-one Whirlwind tank 112 and second level Whirlwind tank 113 of clarifier-tank 110 are connected to waste liquid pool 130, waste liquid pool 130 with
Buffer pool 132 is connected to.The level-one separate tank 141 of separate tank 140 and the second-order separation pond 142 are connected to buffer pool 132.Buffer pool
132 are connected to destilling tower 150.By buffer pool 132, after the waste collection that the above process is generated, then it is passed through destilling tower 150.
It can guarantee the lasting feed flow to destilling tower 150, guarantee the continual and steady operating of device, avoid parking and cause economic damage
It loses.
In order to guarantee distilling effect of the waste liquid in destilling tower 150, so that carbon tetrachloride is sufficiently separated with oil plant, connection is slow
The pipeline rushed between pond 132 and destilling tower 150 is provided with preheater 131.Destilling tower 150 is vacuum distillation tower.Due to four chlorinations
The vapour pressure of carbon is 15.26kPa (25 DEG C), then distills the separation for facilitating carbon tetrachloride and oil plant under an increased pressure.Distillation
Tower 150 is provided with oil plant outlet 151 close to the kettle side of bottom, and the kettle side close to top is connected to rectifying column 160.Pass through destilling tower
150 recycle carbon tetrachloride and oil plant separation, isolated carbon tetrachloride in waste liquid can through a step, isolated oil plant
It can further refinery deep processing.
In order to guarantee rectification effect, the carbon tetrachloride entered in rectifying column 160 is advisable with liquid.It is connected to destilling tower 150
Pipeline between rectifying column 160 is provided with the second condenser 152.Carbon tetrachloride portion after being evaporated under reduced pressure via destilling tower 150
Divide and be not yet condensed into liquid, via the effect of the second condenser 152, is allowed to rectifying column 160 of entering again after liquefying completely.Rectifying column
160 are provided with tail washings outlet 161 close to the kettle side of bottom, for collecting the waste liquid after rectifying.The top of rectifying column 160 and tetrachloro
Change carbon raw material pond 120 to be connected to.
In order to guarantee enter carbon tetrachloride feed reservoir 120 inside carbon tetrachloride be liquid, connection rectifying column 160 and
Pipeline between carbon tetrachloride feed reservoir 120 is provided with third condenser 162.It obtains to use via the rectifying of rectifying column 160
In the carbon tetrachloride recycled.After not yet liquefied carbon tetrachloride is via the cooling liquefaction completely of third condenser 162 after net flow
Into in carbon tetrachloride feed reservoir 120.By recycling to carbon tetrachloride, production cost is reduced.
A method of it is degreased using carbon tetrachloride comprising following steps:
Pollutant is soaked in carbon tetrachloride and obtains waste liquid, waste liquid is obtained into oil plant and carbon tetrachloride through vacuum distillation, it will
Obtained carbon tetrachloride is through rectifying in case in recycling.
Specifically, using the above-mentioned device 100 to be degreased using carbon tetrachloride, pollutant is added by feed inlet 111
Enter into level-one Whirlwind tank 112, suitable carbon tetrachloride is added into level-one Whirlwind tank 112 by carbon tetrachloride feed reservoir 120.
After nitrogen or inert gas in air accumulator 117 are compressed via air compressor machine 116, enter one by the bottom of level-one Whirlwind tank 112
Grade Whirlwind tank 112 simultaneously carries out cyclone mixing to carbon tetrachloride and pollutant, realizes preliminary purification.Purification object by preliminary purification
Into second level Whirlwind tank 113, suitable carbon tetrachloride is added into second level Whirlwind tank 113 by carbon tetrachloride feed reservoir 120.Storage
After nitrogen or inert gas in gas tank 117 are compressed via air compressor machine 116, second level is entered by the bottom of second level Whirlwind tank 113
Whirlwind tank 113 simultaneously to the purification object of carbon tetrachloride and preliminary purification carry out cyclone mixing, realization purify again, be purified object and
Waste liquid.Purification object enters separate tank 140 and is separated.Waste liquid in level-one Whirlwind tank 112 and second level Whirlwind tank 113 enters useless
In liquid pool 130.
Preferably, using nylon cloth oil pollution object on purification oil field mining site, oil pollution object is mainly attached most importance to
Matter oil and pitch.The nylon cloth oil pollution object of monolith first can be cut into chunky shape, then by the nylon cloth greasy dirt of chunky shape
Pollutant is added in clarifier-tank 110 and is purified.
The purification object entered in separate tank 140 can carry part waste liquid.Include carbon tetrachloride and its dissolution in waste liquid
Oil plant.Effect of the purification object in sieve 146 and heating sheet 145 for entering level-one separate tank 141, so that purification object and waste liquid
Separate initial gross separation.The purification object Jing Guo initial gross separation enters back into the second-order separation pond 142 later, realizes further separation.
The isolated carbon tetrachloride gas of level-one separate tank 141 and the second-order separation pond 142, which enters in destilling tower 150, to carry out at distillation
Reason.The isolated waste liquid of level-one separate tank 141 and the second-order separation pond 142 passes through discharge channel 147 and enters buffer pool 132.
Hold above-mentioned, the waste liquid in waste liquid pool 130 and separate tank 140 enters buffer pool 132, then heats via preheater 131
Enter the carbon tetrachloride that destilling tower 150 carries out in vacuum distillation realization waste liquid afterwards to separate with oil plant.It is obtained through the distillation of destilling tower 150
Carbon tetrachloride enter the further rectifying of rectifying column 160, the carbon tetrachloride after rectifying enter carbon tetrachloride feed reservoir 120 in case in
It recycles.Meanwhile the oil plant distilled can further use after refinery deep processing.
In conclusion the device 100 provided in this embodiment to be degreased using carbon tetrachloride has simple process and cost
The advantages that lower.It can obtain preferably purifying effect under the effect of the cyclone mixing of nitrogen or inert gas by clarifier-tank 110
Fruit, while can be realized recycling for nitrogen or inert gas.Purification object can be separated with waste liquid by separate tank 140.
By destilling tower 150 and rectifying column 160 can by waste liquid carbon tetrachloride and oil plant separate, realize the circulation benefit of carbon tetrachloride
With and oil plant recycling.Have in the purifications such as dye greasy dirt waste plastics and the soil for contaminating greasy dirt, recycling and reusing and preferably pushes away
Wide value.
It is provided in this embodiment to have the characteristics that easy to operate and simple process, energy using the method that carbon tetrachloride degreases
Enough realize carbon tetrachloride recycling in greasy dirt out, simultaneously, additionally it is possible to recycle oil plant and be recycled.Meet national big at present
The circular economy that power is advocated has significant environmental benefit and social benefit.
Feature and performance of the invention are described in further detail below in conjunction with application examples.
Application examples 1
Nylon cloth oil pollution object is added to clarifier-tank 110, and carbon tetrachloride is added thereto and is passed through nitrogen realization
Eddy flow purifies to obtain waste liquid and purification object.Wherein waste liquid pool 130 will be discharged by waste liquid, will wherein purify object and be emitted into separate tank 140,
The sieve 146 of 50 mesh is used in separate tank 140.The heating temperature for adjusting heating sheet 145 is 80 DEG C, so that purification object and waste liquid point
From obtaining waste liquid and nylon cloth.It obtains nylon cloth and realizes cycling and reutilization.The nylon cloth for purifying front and back is as shown in Figure 4.
Above-mentioned two parts waste liquid is passed through to destilling tower 150,78~85 DEG C at a temperature of be evaporated under reduced pressure to obtain
The carbon tetrachloride of oil plant and initial gross separation recycles the carbon tetrachloride of above-mentioned initial gross separation after rectifying.
Application examples 2
Soil greasy dirt pollutant is added to clarifier-tank 110, and carbon tetrachloride is added thereto and is passed through nitrogen and realizes rotation
Stream purification obtains waste liquid and purification object.Wherein waste liquid pool 130 will be discharged by waste liquid, will wherein purify object and be emitted into separate tank 140, point
From the sieve 146 for using 400 mesh in pond 140.The heating temperature for adjusting heating sheet 145 is 85 DEG C, so that purification object and waste liquid point
From obtaining waste liquid and plastics.
Above-mentioned two parts waste liquid is passed through to destilling tower 150,78~85 DEG C at a temperature of be evaporated under reduced pressure to obtain
The carbon tetrachloride of oil plant and initial gross separation recycles the carbon tetrachloride of above-mentioned initial gross separation after rectifying.
In conclusion the device 100 provided in this embodiment to be degreased using carbon tetrachloride has simple process and cost
The advantages that lower.It can obtain preferably purifying effect under the effect of the cyclone mixing of nitrogen or inert gas by clarifier-tank 110
Fruit, while can be realized recycling for nitrogen or inert gas.Purification object can be separated with waste liquid by separate tank 140.
By destilling tower 150 and rectifying column 160 can by waste liquid carbon tetrachloride and oil plant separate, realize the circulation benefit of carbon tetrachloride
With and oil plant recycling.Have in the purifications such as dye greasy dirt waste plastics and the soil for contaminating greasy dirt, recycling and reusing and preferably pushes away
Wide value.
It is provided in this embodiment to have the characteristics that easy to operate and simple process, energy using the method that carbon tetrachloride degreases
Enough realize carbon tetrachloride recycling in greasy dirt out, simultaneously, additionally it is possible to recycle oil plant and be recycled.Meet national big at present
The circular economy that power is advocated has significant environmental benefit and social benefit.
Embodiments described above is a part of the embodiment of the present invention, instead of all the embodiments.Reality of the invention
The detailed description for applying example is not intended to limit the range of claimed invention, but is merely representative of selected implementation of the invention
Example.Based on the embodiments of the present invention, 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.
Claims (8)
1. a kind of device to be degreased using carbon tetrachloride characterized by comprising for purifying contaminated object clarifier-tank, four
Chlorination carbon raw material pond, waste liquid pool, separate tank, destilling tower and rectifying column for isolation of purified object and waste liquid, the clarifier-tank tool
There is feed inlet, the carbon tetrachloride feed reservoir is connected to the clarifier-tank, and the clarifier-tank is connected to the waste liquid pool, and described point
There is discharge port from pond, the clarifier-tank and the separate tank are connected to the destilling tower, the destilling tower and the rectifying
Tower connection, the rectifying column are connected to the carbon tetrachloride feed reservoir, and the destilling tower is exported with oil plant, the rectifying column tool
There is tail washings outlet；
The clarifier-tank includes the multiple Whirlwind tanks being sequentially communicated, the carbon tetrachloride feed reservoir and the waste liquid pool with it is multiple
The Whirlwind tank connection；
The clarifier-tank further includes air compressor machine, air accumulator and membrane separator, and the roof of the Whirlwind tank and the membrane separator connect
Logical, the membrane separator and the air accumulator are connected to the air compressor machine, and the bottom wall of the air compressor machine and the Whirlwind tank connects
It is logical, baffle is provided in the Whirlwind tank, the baffle plate setting has multiple stomatas that the baffle is distributed in snail shape,
The axis of multiple stomatas is parallel to each other, and the axis of multiple stomatas favours the baffle plate setting and through described
Baffle.
2. the device according to claim 1 to be degreased using carbon tetrachloride, which is characterized in that set inside the separate tank
The heating sheet for being equipped with sieve and being set in the sieve, the sieve incline along feedstock direction to the discharging direction of the separate tank
Tiltedly setting, the roof of the separate tank are provided with offgas outlet, and the bottom wall of the separate tank is provided with discharge channel.
3. the device according to claim 1 to be degreased using carbon tetrachloride, which is characterized in that be connected to the separate tank with
Pipeline between the destilling tower is provided with the first condenser.
4. the device according to claim 1 to be degreased using carbon tetrachloride, which is characterized in that further include dividing for collecting
Buffer pool from the waste liquid that pond generates, the waste liquid pool and the separate tank be connected to the buffer pool, the buffer pool and
The destilling tower connection, the pipeline being connected between the buffer pool and the destilling tower are provided with preheater.
5. the device according to claim 1 to be degreased using carbon tetrachloride, which is characterized in that be connected to the destilling tower and
Pipeline between the rectifying column is provided with the second condenser.
6. the device according to claim 1 to be degreased using carbon tetrachloride, which is characterized in that be connected to the rectifying column with
Pipeline between the carbon tetrachloride feed reservoir is provided with third condenser.
7. a kind of method to be degreased using carbon tetrachloride uses four chlorinations using described in any item according to claim 1~6
The device that carbon degreases characterized by comprising
Clarifier-tank is added in pollutant and suitable carbon tetrachloride, the pollutant is soaked in carbon tetrachloride；
By nitrogen, perhaps by the bottom of the clarifier-tank clarifier-tank nitrogen or inert gas energy is added in inert gas
Enough it is sufficiently stirred the carbon tetrachloride and the pollutant, to obtain waste liquid；
Perhaps inert gas from the roof of the Whirlwind tank enters the nitrogen or inertia that membrane separator obtains to the nitrogen
Gas is recycled into the bottom of the clarifier-tank again；
Destilling tower is added in the waste liquid and obtains oil plant and the carbon tetrachloride through vacuum distillation, the carbon tetrachloride is in case in following
Ring utilizes.
8. the method according to claim 7 to be degreased using carbon tetrachloride, which is characterized in that in the vacuum distillation
The obtained carbon tetrachloride further includes the steps that carrying out rectifying to it before recycling afterwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611240970.4A CN106694445B (en) | 2016-12-28 | 2016-12-28 | A kind of devices and methods therefor to be degreased using carbon tetrachloride |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611240970.4A CN106694445B (en) | 2016-12-28 | 2016-12-28 | A kind of devices and methods therefor to be degreased using carbon tetrachloride |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106694445A CN106694445A (en) | 2017-05-24 |
| CN106694445B true CN106694445B (en) | 2019-04-26 |
Family
ID=58895607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611240970.4A Active CN106694445B (en) | 2016-12-28 | 2016-12-28 | A kind of devices and methods therefor to be degreased using carbon tetrachloride |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106694445B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107285495A (en) * | 2017-07-24 | 2017-10-24 | 山东高佳新能源有限公司 | A kind of lithium ion battery production wastewater treatment device |
| CN107470291B (en) * | 2017-08-22 | 2019-07-23 | 山西钢科碳材料有限公司 | A kind of method and device for removing the gel bridging of polymeric kettle interpolymer |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1059301A (en) * | 1991-07-23 | 1992-03-11 | 锦州市兴工机械厂 | A kind of bearing cleaning process and equipment thereof |
| JP2000202423A (en) * | 1999-01-11 | 2000-07-25 | Shimizu Corp | Washing treatment device for contaminated earth and sand with petroleum compound |
| CN103449690A (en) * | 2012-05-30 | 2013-12-18 | 青海大地环境工程技术有限公司 | Purifying treatment method for oil-containing sludge |
| CN103896465A (en) * | 2012-12-25 | 2014-07-02 | 深圳市冠力新材料有限公司 | Method for removing film oil stain |
| CN204182167U (en) * | 2014-10-15 | 2015-03-04 | 汕头市泛世矿业股份有限公司 | A kind of sand water separator |
| CN104402667A (en) * | 2014-11-20 | 2015-03-11 | 常州常宝精特能源管材有限公司 | Recycling device of carbon tetrachloride waste liquid generated by cleaning oil stains on cold rolled tube and use method thereof |
| CN204710775U (en) * | 2015-05-04 | 2015-10-21 | 霍山县乌米尖礼智茶叶有限公司 | Oscillatory type tealeaves automatic flushing device |
| CN106147978A (en) * | 2015-04-27 | 2016-11-23 | 宝钢不锈钢有限公司 | For rolling device and the using method thereof of greasy filth solid-liquid separation and resource reclaim |
-
2016
- 2016-12-28 CN CN201611240970.4A patent/CN106694445B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1059301A (en) * | 1991-07-23 | 1992-03-11 | 锦州市兴工机械厂 | A kind of bearing cleaning process and equipment thereof |
| JP2000202423A (en) * | 1999-01-11 | 2000-07-25 | Shimizu Corp | Washing treatment device for contaminated earth and sand with petroleum compound |
| CN103449690A (en) * | 2012-05-30 | 2013-12-18 | 青海大地环境工程技术有限公司 | Purifying treatment method for oil-containing sludge |
| CN103896465A (en) * | 2012-12-25 | 2014-07-02 | 深圳市冠力新材料有限公司 | Method for removing film oil stain |
| CN204182167U (en) * | 2014-10-15 | 2015-03-04 | 汕头市泛世矿业股份有限公司 | A kind of sand water separator |
| CN104402667A (en) * | 2014-11-20 | 2015-03-11 | 常州常宝精特能源管材有限公司 | Recycling device of carbon tetrachloride waste liquid generated by cleaning oil stains on cold rolled tube and use method thereof |
| CN106147978A (en) * | 2015-04-27 | 2016-11-23 | 宝钢不锈钢有限公司 | For rolling device and the using method thereof of greasy filth solid-liquid separation and resource reclaim |
| CN204710775U (en) * | 2015-05-04 | 2015-10-21 | 霍山县乌米尖礼智茶叶有限公司 | Oscillatory type tealeaves automatic flushing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106694445A (en) | 2017-05-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113416151B (en) | Preparation method of pure acetonitrile for chromatographic analysis and production equipment thereof | |
| CN108159842B (en) | Method for reducing VOC content in tail gas generated by methane chloride device | |
| CN106694445B (en) | A kind of devices and methods therefor to be degreased using carbon tetrachloride | |
| CN103203157A (en) | Dichloromethane waste gas treating method and system thereof | |
| CN106902617A (en) | A kind of high concentration VOC air purifying recovering apparatus and method | |
| JPS5885828A (en) | Continuous purification of alcohol-containing liquid mixture | |
| CN110585844A (en) | Plastic granulation waste gas treatment system and waste gas treatment process | |
| CN110252268A (en) | A kind of regeneration method of chlorobenzene production waste water absorption resin | |
| CN113637509A (en) | Method and device for dechlorinating natural gas | |
| CN104445072B (en) | A kind of purifying plant of trichloro-ethylene by-product hydrogen chloride and method | |
| US20180326350A1 (en) | Dichloromethane recovery system | |
| CN1161311C (en) | Separation of glycols | |
| CN103849453A (en) | Purification method of waste emulsified oil | |
| CN106076075A (en) | Tail gas recycle cleaning equipment in a kind of benzene chloride production | |
| CN207943871U (en) | A kind of fluosilicic acid produces the production system of anhydrous hydrogen chloride | |
| CN108218666B (en) | Method and device for recovering methyl chloride from byproduct hydrochloric acid | |
| CN107879313A (en) | A kind of processing method and system of toluene or chlorotoluene chlorination production byproduct in process hydrochloric acid | |
| CN106316753A (en) | Separation and purification technology of 2-methylnaphthalene | |
| CN104357096B (en) | Efficient energy-saving gas purifying treatment method | |
| CN205269125U (en) | Mixed solvent's purification device | |
| CN212881113U (en) | Gas-phase material recovery device of methyl ethyl carbonate device | |
| CN211189592U (en) | Plastic granulation waste gas treatment system | |
| CN208727126U (en) | A kind of alcohol ethers and aromatic solvent VOCs treatment system | |
| WO2012079499A1 (en) | Method and device for enclosed recycling of oil-water-sludge in oil shale dry distillation system | |
| CN205368196U (en) | Aftertreatment recovery unit of n butane oxidation method production cis -butenedioic anhydride |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |