CN207632545U - A kind of recycling treatment system for low temperature distillation waste water extracting and dephenolizing in coal - Google Patents
A kind of recycling treatment system for low temperature distillation waste water extracting and dephenolizing in coal Download PDFInfo
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- CN207632545U CN207632545U CN201721610943.1U CN201721610943U CN207632545U CN 207632545 U CN207632545 U CN 207632545U CN 201721610943 U CN201721610943 U CN 201721610943U CN 207632545 U CN207632545 U CN 207632545U
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Abstract
The utility model discloses a kind of recycling treatment systems for low temperature distillation waste water extracting and dephenolizing in coal, the system includes extraction equipment, back extraction device and means for feeding acid, extraction equipment is connected with back extraction device, back extraction device is connected with means for feeding acid, and means for feeding acid is connected with extraction equipment front end water inlet；Further include the alkaline cleaner being connected respectively with means for feeding acid and mixing arrangement, and mixing arrangement is connected with extraction equipment；The utility model is while effectively realizing extracting and dephenolizing, take full advantage of coal tar carbolic oil fraction, by being used as extractant diluent after alkali cleaning, without additional, cost is reduced, and realize the recycling of phenols in coal tar carbolic oil fraction, technological process is simplified, while alkali cleaning carbolic oil and Phenol for Waste Water class molecular structure are increasingly similar, the extractant configured compared to other diluents, with the advantages of extraction efficiency higher, extractant loses smaller.
Description
Technical field
The utility model is related to advanced treatment of industrial waste water fields, more particularly to one kind for low temperature distillation waste water in coal
The recycling treatment system of extracting and dephenolizing.
Background technology
The core technology that middle low-temperature coal carbonization technology is utilized as coal sub-prime, the waste component complexity of generation, pollutant are dense
Degree is high, biodegradability is poor, it is difficult to handle, seriously endanger environment and human health.Middle low-temperature coal carbonization and coking of coal technique phase
Than since feed coal is mainly low-order coal and pyrolysis temperature is low, aldehydes matter is needed at concentrations up to 5-10 times of coking wastewater
Preprocessed dephenolize could carry out biochemical treatment, currently, the processing to phenol wastewater is mainly recycled using the method for extraction
Therefore recycling is chosen suitable extractant and extraction process and is effectively removed to Phenol for Waste Water substance, be low in processing
The key of warm destructive distillation discharged wastewater met the national standard.
Patent CN101597124A discloses a kind of method of processing coal gasification waste water containing coal chemical industry, and this method uses two
Isopropyl ether obtains crude phenols as extractant extraction phenol, and extractant is recycled using solvent recovery tower and solvent stripper.
Patent CN103848468A discloses a kind of extractant for handling coking wastewater, and the extractant neutrality is containing Phosphorus
Extractant 4 ~ 25%, acidity contain phosphorus extractant 0.5 ~ 10%, cosolvent 0.5 ~ 5%, diluent 60 ~ 95%, wherein dilute
It is benzene or kerosene to release agent.
But that there are energy consumptions is higher for above-mentioned technique, flow is complicated and the higher problem of extractant cost, therefore develops one
Kind reduction energy consumption, the middle low temperature distillation waste water extracting system for reducing cost have important practical significance.
Utility model content
In view of the above technical problems, the utility model provides a kind of resource for middle low temperature distillation waste water extracting and dephenolizing
Change processing system, which uses the dilution after low temperature distillation product coal tar carbolic oil fraction alkali cleaning as extractant in coal
Agent does not need extra purchase extractant diluent, realizes the recycling of phenols in coal tar carbolic oil fraction, simplifies technique stream
It is journey, cost-effective, while alkali cleaning carbolic oil and Phenol for Waste Water class molecular structure are increasingly similar, the extraction configured compared to other diluents
Agent is taken, there is the advantages of extraction efficiency higher, extractant loses smaller.
To solve the above-mentioned problems, the utility model uses following technical scheme：
A kind of recycling treatment system for middle low temperature distillation waste water extracting and dephenolizing, it includes extraction equipment, back extraction dress
It sets and means for feeding acid, the extraction equipment is connected with back extraction device, the back extraction device is connected with means for feeding acid, described to add
Sour device is connected with extraction equipment front end water inlet.
Further include alkaline cleaner, the alkaline cleaner is for being added sodium hydroxide solution, to obtain sodium phenolate solution.
The alkaline cleaner is connected with means for feeding acid, so as to get sodium phenolate solution mixed with the sodium phenolate solution that back extraction obtains
Enter means for feeding acid afterwards and produces coarse powder product.
The alkaline cleaner is also connected with mixing arrangement, and the extractant diluent that alkali cleaning obtains is mixing dress with complexing agent
Middle mixing is set, to obtain extractant.
The mixing arrangement is connected with extraction equipment, and obtained extractant is reacted for extracting.
The extraction equipment is preferably one kind in extraction tower, multistage mixer-settler extractor or static mixer.
The back extraction device is preferably the one kind being stripped in tower, static mixer or oil water separator.
Extractant complexing agent is complexing agent containing phospholipid.
The waste water that means for feeding acid generates returns to extraction equipment, is handled together into extraction equipment with water inlet.
Compared with prior art, the utility model has the advantages that：
1, the utility model discloses a kind of recycling treatment systems for middle low temperature distillation waste water extracting and dephenolizing；
2, the utility model is after coal tar carbolic oil fraction alkali cleaning using as the diluent of extractant, being not necessarily to extra purchase,
Cost is reduced, while realizing the recycling of phenols in coal tar carbolic oil fraction, simplifies technological process；
3, alkali cleaning carbolic oil and Phenol for Waste Water class molecular structure used in the utility model are increasingly similar, compare other diluent institutes
The extractant of configuration has the advantages of extraction efficiency higher, extractant loses smaller.
Description of the drawings
Fig. 1 is the recycling treatment system flow diagram that the utility model is used for middle low temperature distillation waste water extracting and dephenolizing.
In figure：1- extraction equipments；2- alkaline cleaners；3- mixing arrangements；4- back extraction devices；5- means for feeding acid.
Specific implementation mode
Further illustrate the technical solution of the utility model with reference to the accompanying drawings and examples:
As shown in Figure 1, a kind of recycling treatment system for middle low temperature distillation waste water extracting and dephenolizing, it includes that extraction fills
1, back extraction device 4 and means for feeding acid 5 are set, extraction equipment 1 is connected with back extraction device 4, and back extraction device 4 is connected with means for feeding acid 5
It connects, means for feeding acid 5 is connected with 1 front end water inlet of extraction equipment.
Further include alkaline cleaner 2, alkaline cleaner 2 is for being added sodium hydroxide solution, to obtain sodium phenolate solution；Alkali cleaning fills
2 are set with means for feeding acid 5 to be connected, so as to get sodium phenolate solution mixed with the sodium phenolate solution that back extraction obtains after enter means for feeding acid 5
Produce coarse powder product；Alkaline cleaner 2 is also connected with mixing arrangement 3, and the extractant diluent that alkali cleaning obtains is with complexing agent mixed
It attaches together in setting 3 and mixes, to obtain extractant；Mixing arrangement 3 is connected with extraction equipment 1, and obtained extractant is for extracting
Reaction；Extraction equipment 1 is preferably one kind in extraction tower, multistage mixer-settler extractor or static mixer；Back extraction device 4 is preferably
The one kind being stripped in tower, static mixer or oil water separator, extractant complexing agent are complexing agent containing phospholipid.Means for feeding acid 5
The waste water of generation returns to extraction equipment, is handled together into extraction equipment 1 with water inlet.
In engineer application, phenol wastewater is initially entered after extraction equipment 1 is mixed with extractant and is layered, and raffinate phase is dephenolize
Waste water enters subsequent processing afterwards, and extraction phase enters back extraction device 4, is layered after sodium hydroxide solution is added, and organic phase is that recycling extracts
It is that sodium phenolate solution enters means for feeding acid 5 to take agent, water phase, and sulfuric acid is added, obtains crude phenols product, the waste water of generation is back into water everywhere
Reason.
The institute of low temperature distillation in coal producing coal tar obtains 170 DEG C of -210 DEG C of carbolic oil fractions after distillation, adds into alkaline cleaner 2
Entering sodium hydroxide solution, obtained sodium phenolate solution enters means for feeding acid 5 after being mixed with the sodium phenolate solution that back extraction obtains and produces crude phenols,
And the extractant diluent that alkali cleaning obtains is mixed with complexing agent in mixing arrangement 3, finally obtains extractant, is also used as extracting
The supplement extractant of device 1 realizes resource utilization.
Finally it should be noted that above example is merely intended for describing the technical solutions of the present application, but not for limiting the present application, although
The utility model is described in detail with reference to preferred embodiment, it will be understood by those of ordinary skill in the art that, it can be with
It modifies to the technical solution of the utility model or equivalent replacement, without departing from the spirit and model of technical solutions of the utility model
It encloses, should all cover in the protection scope of the claims of the present utility model.
Claims (9)
1. a kind of recycling treatment system for low temperature distillation waste water extracting and dephenolizing in coal, which is characterized in that it includes extraction
Device（1）, back extraction device（4）And means for feeding acid（5）, the extraction equipment（1）With back extraction device（4）It is connected, the back extraction
Device（4）With means for feeding acid（5）It is connected, the means for feeding acid（5）With extraction equipment（1）Front end water inlet is connected.
2. processing system as described in claim 1, which is characterized in that further include alkaline cleaner（2）, the alkaline cleaner（2）
For sodium hydroxide solution to be added, to obtain sodium phenolate solution.
3. processing system as claimed in claim 2, which is characterized in that the alkaline cleaner（2）With means for feeding acid（5）It is connected
Connect, so as to get sodium phenolate solution mixed with the sodium phenolate solution that back extraction obtains after enter means for feeding acid（5）Produce crude phenols product.
4. processing system as claimed in claim 3, which is characterized in that the alkaline cleaner（2）Also with mixing arrangement（3）It is connected
It connects, the extractant diluent that alkali cleaning obtains is with complexing agent in mixing arrangement（3）Middle mixing, to obtain extractant.
5. processing system as claimed in claim 4, which is characterized in that the mixing arrangement（3）With extraction equipment（1）It is connected
It connects, obtained extractant is reacted for extracting.
6. processing system as claimed in any one of claims 1-5, which is characterized in that the extraction equipment（1）It is excellent
The one kind being selected as in extraction tower, multistage mixer-settler extractor or static mixer.
7. processing system as claimed in claim 6, which is characterized in that the back extraction device（4）It is mixed to be preferably stripped tower, static state
One kind in clutch or oil water separator.
8. processing system as claimed in claim 7, which is characterized in that extractant complexing agent is complexing agent containing phospholipid.
9. processing system as claimed in claim 8, which is characterized in that means for feeding acid（5）The waste water of generation returns to extraction equipment,
Enter extraction equipment together with water inlet（1）It is handled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721610943.1U CN207632545U (en) | 2017-11-28 | 2017-11-28 | A kind of recycling treatment system for low temperature distillation waste water extracting and dephenolizing in coal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721610943.1U CN207632545U (en) | 2017-11-28 | 2017-11-28 | A kind of recycling treatment system for low temperature distillation waste water extracting and dephenolizing in coal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207632545U true CN207632545U (en) | 2018-07-20 |
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|---|---|---|---|
| CN201721610943.1U Active CN207632545U (en) | 2017-11-28 | 2017-11-28 | A kind of recycling treatment system for low temperature distillation waste water extracting and dephenolizing in coal |
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| CN (1) | CN207632545U (en) |
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2017
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190603 Address after: 100083 C2008, 18 Zhongguancun East Road, Haidian District, Beijing. Patentee after: Beijing SaiKe Kanglun Environmental Science & Technology Co., Ltd. Address before: Room C-2008, Caizhi International Building, 18 Zhongguancun East Road, Haidian District, Beijing Patentee before: Beijing Zhongke environment science and Technology Research Institute Co Ltd |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190605 Address after: 100083 C2008, 18 Zhongguancun East Road, Haidian District, Beijing. Patentee after: Beijing SaiKe Kanglun Environmental Science & Technology Co., Ltd. Address before: Room C-2008, Caizhi International Building, 18 Zhongguancun East Road, Haidian District, Beijing Patentee before: Beijing Zhongke environment science and Technology Research Institute Co Ltd |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A resourceful treatment system that is arranged in coal low temperature pyrolysis waste water extraction dephenolization Effective date of registration: 20190611 Granted publication date: 20180720 Pledgee: Xinjiang Tianyu Coal Chemical Group Co., Ltd. Pledgor: Beijing SaiKe Kanglun Environmental Science & Technology Co., Ltd. Registration number: 2019990000543 |