CN104193037B - A kind of tar and waste water refining plant producing pitch - Google Patents
A kind of tar and waste water refining plant producing pitch Download PDFInfo
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- CN104193037B CN104193037B CN201410470143.9A CN201410470143A CN104193037B CN 104193037 B CN104193037 B CN 104193037B CN 201410470143 A CN201410470143 A CN 201410470143A CN 104193037 B CN104193037 B CN 104193037B
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Abstract
The invention discloses a kind of tar and waste water refining plant producing pitch, comprise former pond connected successively, settling bowl and mixing-point flow container, mixing-point flow container is connected with dimethyl-silicon oil tank, stirring rake is provided with in mixing-point flow container, open stirring rake, in-tank mixing dimethyl silicone oil and water, after closedown stirring rake leaves standstill, form the dimethyl silicone oil district on top and the pool of bottom in tank.The import that the outlet of mixing-separatory pot bottom is the catalytic reaction kettle of 180-300 DEG C with the import of tank and Heating temperature is successively connected, described catalytic reaction kettle is provided with nitrogen inlet and catalyzer adds entrance, catalyst tank is arranged at catalyzer and adds ingress; The import of water cooler is connected with the outlet of catalytic reaction kettle, and the import of strainer is connected with the outlet of water cooler.It is applicable to process the waste water containing tar, significantly to reduce the tar content in water body.
Description
Technical field
The present invention relates to tar and waste water purification techniques field, be specifically related to a kind of tar and waste water refining plant producing pitch.
Background technology
The process of manufacture of the mineral substance such as oil, coal often relates to washing process, easily produces a large amount of tar and waste water in water washing process.As its name suggests, the objectionable constituent in tar and waste water are mainly tar, and tar is a kind of complex compound containing 100 Multiple components, comprises the organism such as alkane, aromatic hydrocarbon and colloid.During washing process, part tar material enters in water body, is formed as tar and waste water.Outside tar removing, also containing aldehydes matter, ammonia nitrogen substances, prussiate and solid particulate matter in tar and waste water.
The purification of tar and waste water mainly for be remove tar material, tar material removal device conventional at present comprises gravity separation equipment, an adsorption device etc., but the tar clearance of these devices is only 20-30% (weight percent), still there is a large amount of tar material in water body.The waste water these being contained tar directly introduces subsequent handling, tar material can affect microbial growth in subsequent biochemical treatment system, make subsequent biochemical treatment effect not good, ammonia nitrogen substances in waste water, aldehydes matter are difficult to further removal, water body COD degradation is incomplete, cannot reach national water quality standard requirement.Therefore, tar and waste water purifies the difficult problem that the removal of the coal-tar middle oil material of particularly waste water is all water treatment field all the time.
Summary of the invention
For this reason, a technical problem to be solved by this invention is that the tar clearance of prior art to tar and waste water is low, cause the water quality after processing cannot reach national water quality standard requirement, thus propose the tar and waste water refining plant of the high pitch produced of a kind of tar clearance.
For solving the problems of the technologies described above, the present invention proposes a kind of tar and waste water refining plant producing pitch, comprises, former pond and settling bowl, and the described outlet in former pond is connected with the import of settling bowl; Dimethyl-silicon oil tank and mixing-point flow container, the described mixing-fluid inlet of point flow container is connected with the liquid outlet of settling bowl, and the oil-in of described mixing-point flow container is connected with the outlet of dimethyl-silicon oil tank; Be provided with stirring rake able to turn on or off in described mixing-point flow container, open stirring rake, described mixing-point flow container, for mixing dimethyl silicone oil and water, closes stirring rake, and described mixing-point flow container forms the dimethyl silicone oil district on top and the pool of bottom after leaving standstill; Tank, temperature of reaction are the catalytic reaction kettle of 180-300 DEG C and the catalyst tank for depositing aluminum chloride or boron chloride, the outlet of described mixing-separatory pot bottom is connected with the import of catalytic reaction kettle with the import of tank successively, for first pool material being introduced in tank, introduced in catalytic reaction kettle by dimethyl silicone oil district material, described catalyst tank adds entrance with the catalyzer in catalytic reaction kettle and is connected again; Described catalytic reaction kettle is provided with nitrogen inlet, for blasting nitrogen in still; Water cooler and strainer, the import of described water cooler is connected with the outlet of catalytic reaction kettle, and the import of described strainer is connected with the outlet of water cooler.
Also comprise emulsion splitter tank, be connected with the emulsion splitter entrance of tank.
Also comprise air flotation pool, be connected with the outlet of tank.
Also comprise hydrolysis acidification pool, the import of described hydrolysis acidification pool is connected with the liquid outlet of air flotation pool.
Also comprise precipitation adsorption pond, the described import in precipitation adsorption pond is connected with the outlet of hydrolysis acidification pool.
Also comprise Aerobic Pond, be arranged between hydrolysis acidification pool and precipitation adsorption pond, the outlet of described hydrolysis acidification pool is connected with the import of Aerobic Pond, and the outlet of described Aerobic Pond is connected with the import in precipitation adsorption pond.
Be filled with adsorption particle in described precipitation adsorption pond, described adsorption particle is the graphitized carbon black of 50-100 μm and the mixture of 100-250 μm of gac.
Be provided with tank contents gauge in described mixing-point flow container, be used to indicate the position of water-oil interface.
The outside cover of described catalytic reaction kettle has Resistant heating chuck.
Technique scheme of the present invention has the following advantages compared to existing technology,
Former water is introduced in mixing-separating tank and is mixed with dimethyl silicone oil after settling bowl sedimentation, tar ingredients most of in water extracts by dimethyl silicone oil, the coal-tar middle oil clearance of measuring water, up to more than 90% (weight percentage), is divided into top to contain dimethyl silicone oil district and the pool, bottom of tar in mixing-separating tank after leaving standstill.After separation, pool material enters in tank, and dimethyl silicone oil district material enters enclosed oxygen isolation catalyzed polymerization in catalytic reaction kettle, and the catalyzer used is aluminum chloride or boron chloride, and polymkeric substance enters water cooler and forms solid, obtains pitch after filtering.Tar material in waste water can be converted into the pitch directly used by the present invention by simple operation.
Wherein, nitrogen can avoid tar material oxidized in polycondensation process, can avoid dimethyl silicone oil deterioration by oxidation simultaneously, makes dimethyl silicone oil can continue to use.
Accompanying drawing explanation
In order to make content of the present invention be more likely to be clearly understood, below according to a particular embodiment of the invention and by reference to the accompanying drawings, the present invention is further detailed explanation, wherein
Fig. 1 is the structural representation of tar and waste water refining plant of the present invention.
Embodiment
The tar and waste water refining plant producing pitch of the present invention, comprises, former pond and settling bowl, and the described outlet in former pond is connected with the import of settling bowl; Dimethyl-silicon oil tank and mixing-point flow container, the described mixing-fluid inlet of point flow container is connected with the liquid outlet of settling bowl, and the oil-in of described mixing-point flow container is connected with the outlet of dimethyl-silicon oil tank; Be provided with stirring rake able to turn on or off in described mixing-point flow container, open stirring rake, described mixing-point flow container, for mixing dimethyl silicone oil and water, closes stirring rake, and described mixing-point flow container forms the dimethyl silicone oil district on top and the pool of bottom after leaving standstill; Tank, temperature of reaction are the catalytic reaction kettle of 180-300 DEG C and the catalyst tank for depositing aluminum chloride or boron chloride, the outlet of described mixing-separatory pot bottom is connected with the import of catalytic reaction kettle with the import of tank successively, for first pool material being introduced in tank, introduced in catalytic reaction kettle by dimethyl silicone oil district material, described catalyst tank adds entrance with the catalyzer in catalytic reaction kettle and is connected again; Described catalytic reaction kettle is provided with nitrogen inlet, for blasting nitrogen in still; Water cooler and strainer, the import of described water cooler is connected with the outlet of catalytic reaction kettle, and the import of described strainer is connected with the outlet of water cooler.
Former water is introduced in mixing-separating tank and is mixed with dimethyl silicone oil after settling bowl sedimentation, tar ingredients most of in water extracts by dimethyl silicone oil, the coal-tar middle oil clearance of measuring water, up to more than 90% (weight percentage), is divided into top to contain dimethyl silicone oil district and the pool, bottom of tar in mixing-separating tank after leaving standstill.After separation, pool material enters in tank, dimethyl silicone oil district material enters enclosed oxygen isolation catalyzed polymerization in catalytic reaction kettle, polymerization temperature is 180-300 DEG C, the catalyzer used is aluminum chloride or boron chloride, polymkeric substance enters water cooler and forms solid, obtains the pitch that can directly use after filtering.
On this basis, in one embodiment of the present of invention, also comprise emulsion splitter tank, be connected with the emulsion splitter entrance of tank.Emulsion splitter is acted on a small amount of emulsion in tank, make emulsion change water, oily two-phase into, contribute to the separation of two-phase, the emulsion splitter used is polyoxyethylene polyoxypropylene stearyl alcohol ether.
On the basis of the above, in one embodiment of the present of invention, also comprise air flotation pool, be connected with the outlet of tank.The oil phase thing that air flotation pool utilizes the micro-bubble of high dispersing a small amount of in water for carrier sticks and granule foreign, made its density reduce to float up to the water surface, struck off by Despumation device, thus realize the object removing residual greasy dirt and granule foreign.
On above basis, in one embodiment of the present of invention, also comprise hydrolysis acidification pool, the import of described hydrolysis acidification pool is connected with the outlet of air flotation pool.Hydrolysis bacterium containing mixing in hydrolysis acidification pool and acid-producing bacteria, the larger molecular organics in waste water in 30-35 DEG C of process 7-9h at hydrolysis acidification pool, can be decomposed into small-molecule substance, reduce the COD of water body by the waste water after air-flotation process.
In one embodiment of the present of invention, also comprise precipitation adsorption pond, the described import in precipitation adsorption pond is connected with the outlet of hydrolysis acidification pool.Precipitation adsorption is filled with adsorption particle in pond, and described adsorption particle is the graphitized carbon black of 50-100 μm and the mixture of 100-250 μm of gac.Adsorption particle can make the throw out adsorption and sedimentation that cannot precipitate in waste water.
In one embodiment of the present of invention, as shown in Figure 1, also comprise Aerobic Pond, be arranged between hydrolysis acidification pool and precipitation adsorption pond, the outlet of described hydrolysis acidification pool is connected with the import of Aerobic Pond, and the outlet of described Aerobic Pond is connected with the import in precipitation adsorption pond.Under aerobic condition, utilize the pollutent in the microbiological deterioration waste water in the aerobic sludge cultivated, thus reduce the COD of waste water further.Tank contents gauge is provided with, for representing the position of water-oil interface in described mixing-point flow container.The outside cover of described catalytic reaction kettle has Resistant heating chuck.
14L Coal Tar Wastewater is adopted the device process shown in above-mentioned Fig. 1, use 1L dimethyl silicone oil hybrid extraction, the tar clearance in Coal Tar Wastewater is up to 91.7%.Isolated oil phase, in catalytic reaction kettle, adds aluminum chloride catalyst 1g, and be heated to 180-200 DEG C of polycondensation 7-8h, nitrogen flow is 30mL/min, is cooled to normal temperature filtration and obtains pitch I.In isolated aqueous phase, add polyoxyethylene polyoxypropylene stearyl alcohol ether emulsion splitter mix, again after air supporting, acidication, aerobic treatment and precipitation adsorption, after final process, the indices of water body meets the requirement of GB8978-1996 " integrated wastewater discharge standard ", can qualified discharge.
35L petroleum tar waste water is adopted the device process shown in above-mentioned Fig. 1, and use 1L dimethyl silicone oil hybrid extraction, the tar clearance in Coal Tar Wastewater is up to 85.7%.The nitrogen protection in catalytic reaction kettle of isolated oil phase is airtight is heated to 270-300 DEG C of polycondensation 4-5h, and the catalyzer added is the aluminum chloride of 8.2g, and nitrogen flow is 100mL/min, is cooled to normal temperature filtration and obtains pitch II.In isolated aqueous phase, add polyoxyethylene polyoxypropylene stearyl alcohol ether emulsion splitter mix, again after air supporting, acidication, aerobic treatment and precipitation adsorption, after final process, the indices of water body meets the requirement of GB8978-1996 " integrated wastewater discharge standard ", can qualified discharge.
The character of the Coal Tar Wastewater related in above-described embodiment and petroleum tar waste water is as follows:
The penetration degree of pitch I-II, ductility and softening temperature is detected respectively as follows according to the method for GB/T4509, GB/T4508, GB/T4507:
| Pitch I | Pitch II | |
| Penetration degree (25 DEG C, 100g, 5s), 1/10mm | 90-100 | 80-90 |
| Ductility (15 DEG C), cm is not less than | 99 | 85 |
| Softening temperature, DEG C | 40-45 | 38-44 |
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still among the protection domain of the invention.
Claims (9)
1. can produce a tar and waste water refining plant for pitch, it is characterized in that, comprise,
Former pond and settling bowl, the described outlet in former pond is connected with the import of settling bowl;
Dimethyl-silicon oil tank and mixing-point flow container, the described mixing-fluid inlet of point flow container is connected with the liquid outlet of settling bowl, and the oil-in of described mixing-point flow container is connected with the outlet of dimethyl-silicon oil tank;
Be provided with stirring rake able to turn on or off in described mixing-point flow container, open stirring rake, described mixing-point flow container, for mixing dimethyl silicone oil and water, closes stirring rake, and described mixing-point flow container forms the dimethyl silicone oil district on top and the pool of bottom after leaving standstill;
Tank, temperature of reaction are the catalytic reaction kettle of 180-300 DEG C and the catalyst tank for depositing aluminum chloride or boron chloride, the outlet of described mixing-separatory pot bottom is connected with the import of catalytic reaction kettle with the import of tank successively, for first pool material being introduced in tank, introduced in catalytic reaction kettle by dimethyl silicone oil district material, described catalyst tank adds entrance with the catalyzer in catalytic reaction kettle and is connected again;
Described catalytic reaction kettle is provided with nitrogen inlet, for blasting nitrogen in still;
Water cooler and strainer, the import of described water cooler is connected with the outlet of catalytic reaction kettle, and the import of described strainer is connected with the outlet of water cooler.
2. device according to claim 1, is characterized in that, also comprises emulsion splitter tank, is connected with the emulsion splitter entrance of tank.
3. device according to claim 1 and 2, is characterized in that, also comprises air flotation pool, is connected with the outlet of tank.
4. device according to claim 3, is characterized in that, also comprises hydrolysis acidification pool, and the import of described hydrolysis acidification pool is connected with the liquid outlet of air flotation pool.
5. device according to claim 4, is characterized in that, also comprises precipitation adsorption pond, and the described import in precipitation adsorption pond is connected with the outlet of hydrolysis acidification pool.
6. device according to claim 5, it is characterized in that, also comprise Aerobic Pond, be arranged between hydrolysis acidification pool and precipitation adsorption pond, the outlet of described hydrolysis acidification pool is connected with the import of Aerobic Pond, and the outlet of described Aerobic Pond is connected with the import in precipitation adsorption pond.
7. device according to claim 5, is characterized in that, is filled with adsorption particle in described precipitation adsorption pond, and described adsorption particle is the graphitized carbon black of 50-100 μm and the mixture of 100-250 μm of gac.
8. device according to claim 1 and 2, is characterized in that, is provided with tank contents gauge, is used to indicate the position of water-oil interface in described mixing-point flow container.
9. device according to claim 1 and 2, is characterized in that, the outside cover of described catalytic reaction kettle has Resistant heating chuck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410470143.9A CN104193037B (en) | 2014-09-16 | 2014-09-16 | A kind of tar and waste water refining plant producing pitch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410470143.9A CN104193037B (en) | 2014-09-16 | 2014-09-16 | A kind of tar and waste water refining plant producing pitch |
Publications (2)
| Publication Number | Publication Date |
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| CN104193037A CN104193037A (en) | 2014-12-10 |
| CN104193037B true CN104193037B (en) | 2016-01-27 |
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| CN201410470143.9A Expired - Fee Related CN104193037B (en) | 2014-09-16 | 2014-09-16 | A kind of tar and waste water refining plant producing pitch |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2619805A1 (en) * | 1976-05-05 | 1977-11-24 | Metallgesellschaft Ag | PROCESS FOR REDUCING THE BIOLOGICAL OXYGEN REQUIREMENT OF GAS CONDENSATE |
| JPS5346152A (en) * | 1976-10-08 | 1978-04-25 | Showa Denko Kk | Process for treating waste water |
| CN101607780B (en) * | 2009-07-22 | 2013-01-02 | 顾利平 | Process for treating tar product wastewater |
| CN102585871B (en) * | 2012-01-09 | 2014-03-05 | 常州黑玛新型碳材料工程技术研究中心有限公司 | Mesophase pitch and preparation method thereof |
| CN202785898U (en) * | 2012-05-02 | 2013-03-13 | 中环辽宁工程技术股份有限公司 | Device for treating and recycling wastewater from processing of coal tar |
| CN102690672A (en) * | 2012-06-18 | 2012-09-26 | 辽宁科技大学 | Preparing method for coal tar refined pitch |
| CN204198511U (en) * | 2014-09-16 | 2015-03-11 | 王茜茜 | The tar and waste water refining plant of pitch can be produced |
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Inventor after: Qu Huabin Inventor before: Wang Qianqian Inventor before: Wang Yonghe |
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Effective date of registration: 20170609 Address after: 510623, 601-CB02, room 30, Zhujiang East Road, Guangzhou, Tianhe District, Guangdong Patentee after: Guangzhou Environmental Protection Technology Co., Ltd. michiyasu Address before: 325025 Zhejiang City, Wenzhou Province Economic and Technological Development Zone, Binhai Road, Binhai District, No. 15, No. 2, No. 529 Patentee before: Wang Qianqian |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20160127 Termination date: 20170916 |