CN102775914B - Separation method of middle-layer resin liquid - Google Patents
Separation method of middle-layer resin liquid Download PDFInfo
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- CN102775914B CN102775914B CN 201210271968 CN201210271968A CN102775914B CN 102775914 B CN102775914 B CN 102775914B CN 201210271968 CN201210271968 CN 201210271968 CN 201210271968 A CN201210271968 A CN 201210271968A CN 102775914 B CN102775914 B CN 102775914B
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Abstract
The invention discloses a separation method of middle-layer resin liquid. Liquid-solid-liquid three-phase separation is carried out on complete middle-layer resin liquid through the steps of adding oil of turpentine in middle-layer resin liquid and heating to expand specific gravity difference among raw materials of the middle-layer resin liquid on the basis of centrifugal sedimentation rotation speed difference of a horizontal screw centrifugal machine, the separation principle of a screw conveyor and the centrifugation principle of a disk centrifuge. The separation method has the advantages of short process flow, large processing capacity, production continuity, low energy consumption, low production cost and little environment pollution; moreover, the level of the separated clean resin liquid is high.
Description
Technical field
The present invention relates to the rosin production technology, the separation method of middle level fat liquid during especially a kind of rosin is produced.
Background technology
China is rosin big producing country in the world, and during rosin was produced, because of some fine particles that inevitably mixing in the raw material rosin, rosin was in dissolution process, and the fat liquid of fine particle surface attachment is rosin and turps mixed solution.This part material proportion is commonly called as middle level fat liquid between clean fat liquid and water, in process of production, after the clarification operation, directly be discharged into middle level fat liquid pool.Middle level fat liquid just dissolves in the fat liquid gravity settler between the fat liquid of upper strata fat liquid between lower layer of water.
At present to the processing of middle level fat liquid be exactly middle level fat liquid is added the turps dissolving again and leaves standstill clarification after, discharge lower floor again, but still contain rosin and terebinthine silt impurity, upper strata fat liquid is by the physics distillating method, obtain rosin and turps product, this method still follows some out-of-date methods and the old technology in the rosin production, adopt this method to carry out the processing of middle level fat liquid, yield is low, and treatment capacity is little, and flow process is many, time is long, Working environment is seriously polluted, and the rosin product hierarchy of producing is low, the energy consumption height.Fly the middle level fat liquor treating process of the company limited of forest products still and Nanhua, Chuxiong, Yunnan rosin factory as domestic Jiangxi, exactly the water in the fat liquid of middle level, fat liquid, silt are separated with a kind of simple separating technology, still follow processing method tediously long in the rosin production and partly separate wherein composition.
Summary of the invention
For solving the problems of the technologies described above, the invention provides the separation method in the fat liquid of a kind of middle level, directly separate water, fat liquid and silt solid impurity in the fat liquid of middle level, its production efficiency height, facility investment is few, occupied ground is little, and Production Flow Chart is short, and little to environmental influence, energy consumption is low, cost is low, it is low that the clean fat liquid of isolated effective constituent contains water electrode, and do not contain solid impurity such as silt, clean fat liquid product grade height.
The present invention is achieved through the following technical solutions:
The separation method of a kind of middle level fat liquid is characterized in that step is as follows:
(1) fat liquid pump in middle level is gone into the raw material still, adds the turps of 20-25% mass percent, and heat temperature raising is to 70-75 ℃ under the agitation condition;
(2) pump into horizontal screw centrifuge by first pump, pump into flow control the 600-1000 kilogram/hour; Utilize the separation principle of horizontal screw centrifuge centrifugal settling speed discrepancy and helical feed, realize the roughing out of fat liquid and suspended solid: heavy phases such as suspended solid enter slag ladle by the outlet of small end solid phase, and fat liquid etc. gently flow into the roughing out storage tank by the fat liquid outlet of big end;
(3) through the fat liquid after the roughing out, be heated to 80 ℃, pump into smart separation of three-phase that disk centrifugal separator carries out fat liquid, water, thin slag by second pump, pump into flow control the 500-800 kilogram/hour; The clean fat liquid that obtains flows into the smart storage tank that separates, for the production of rosin and turps.
Agitation condition described in the described step (1) is 60 rev/mins-70 rev/mins.
In the described step (2) main motor speed 3000-4000 rev/min of horizontal screw centrifuge, 1400-2000 rev/min of auxiliary-motor rotating speed.
The disk centrifugal separator rotating speed is 6500-7500 rev/min in the described step (3).
Enter disk centrifugal separator through the fat liquid after the roughing out in the described step (3), in the video disc group, separate, solid particulate and moisture move to rotatory drum wall along the video disc inner conical surface, isolated water runner through between rotary drum lid and video disc gland enters the heavy phase pump chamber by gravity disc, discharged outside the disk centrifugal separator by water out by the heavy phase centripetal pump, clean fat liquid along video disc to the rotary drum central motion, enter light phase pump chamber by following light phase centripetal pump cover then, drain into the smart storage tank that separates by the clean liquid outlet of light phase centripetal pump warp, Gu realization liquid--the liquid three phase separation.
Second pump in first pump in the described step (2) and the step (3) is all selected toothed gear pump.
The raw material still of select tape stirring and heating unit in the described step (1).
Useful unusual effect of the present invention: the present invention adopts middle level fat liquid to add turps and heat up to enlarge middle level each material ratio method of double differences of fat liquid, the separation principle of recycling horizontal screw centrifuge centrifugal settling speed discrepancy and spiral conveyor and the high speed centrifugation principle of disk centrifugal separator realize the liquid-solid-liquid three phase separation of whole middle level fat liquid, this separation method technical process is short, processing power is big, can realize serialization production again, energy consumption is low, production cost is low, environmental pollution is little, the clean fat liquid grade height after the separation.
Description of drawings:
Fig. 1 is process flow sheet of the present invention.
Number in the figure is: 1. raw material still, 2. hot-water cylinder, 3. horizontal screw centrifuge, 4. roughing out storage tank, 5. first toothed gear pump, 6. slag ladle, 7. second toothed gear pump, 8. strainer, 9. disk centrifugal separator, the 10. smart storage tank that separates.
Embodiment
The present invention after middle level fat liquid is sent into the raw material still, adds a certain amount of turps, stirs also heating, enters the horizontal screw centrifuge roughing out, after the roughing out fat liquid enter disk centrifuge carry out essence must clean fat liquid after separating.Clean fat liquid is for the production of rosin and turps.Concrete steps are as follows:
(1), the middle level fat liquid of middle level fat liquid pool is drawn into by vacuum band stirs and the raw material still 1 of heating unit, add a certain amount of turps, under the stirring of 60 rev/mins of rotating speeds, be heated to 70 ℃.
(2), pump into horizontal screw centrifuge 3 by first toothed gear pump 5, through the high speed centrifugation sedimentation, by spiral conveyer the heavy phases such as sand grain that are attached on the rotary drum are delivered to the outlet of small end solid phase, enter slag ladle 6; Fat liquid etc. gently flow into roughing out storage tank 4 by the outlet of fat liquid, realize the roughing out of fat liquid and suspended solid, the inlet amount of horizontal screw centrifuge by reverse flow valve control the 600-1000 kilogram/hour.
(3), separate back fat liquid and enter roughing out storage tank 4, be heated to 80 ℃, pump into disk centrifugal separator 9 with second toothed gear pump 7 through behind the filters 8, inlet amount by reverse flow valve control the 500-800 kilogram/hour.
Light phase component and heavy phase component before three phase separation is normal all are back to roughing out storage tank 4, normal after, enter the smart storage tank 10 that separates.
The separation principle of disk centrifugal separator: roughing out fat liquid is entered divider and is redistributed in the video disc group by oil inlet pipe by opening for feed and separates, solid particulate and moisture move to rotatory drum wall along the video disc inner conical surface, during purifying treatment, isolated water through rotary drum that runner enters the heavy phase pump chamber by gravity disc between lid and video disc gland, by the heavy phase centripetal pump by outside the water out discharge machine, clean fat liquid along video disc to the rotary drum central motion, enter light phase pump chamber by following centripetal pump cover then, outside the clean liquid outlet of light phase centripetal pump warp discharge machine, this disk centrifugal separator adopts automatic slagging and manual deslagging.
(4), during because of the material room temperature, have certain viscosity, so after having separated the fat liquid of the middle level fat liquid of raw material still 1 and roughing out storage tank 4, need clean horizontal screw centrifuge with hot water.
When needing to clean, toward hot-water cylinder 2 water fillings, be heated to 80 ℃, horizontal screw centrifuge 3 main motors, auxiliary-motor rotating speed furnishing clean the state rotating speed; clean after 5 minutes, shut down treat that slag exports out from solid phase after, restart motor, reach rotating speed after; open water intaking valve, clean, carry out so repeatedly four times.
(5), when cleaning horizontal screw centrifuge 3, clean hot water and can enter roughing out storage tank 4, be heated to 80 ℃, pump into disk centrifugal separator with pump, close the heavy out variable valve, fat liquid is all discharged on the lenient side mutually with water, flow back to roughing out storage tank 4, after treating gently do not have fat liquid to go out mutually, wash after 15 minutes, stop washing.
Embodiment one
Made a basket one ton of layer fat liquid, middle level fat liquid is moisture 25%, contains solid slag 10%, adds turps 200KG, and agitation condition is heated to 70 ℃ when being 60 rev/mins.The flow control that first pump pumps into horizontal screw centrifuge the 600-650 kilogram/hour, realize the roughing out of fat liquid and suspended solid; 3000 rev/mins of horizontal screw centrifuge master motor speeds, 1400 rev/mins of auxiliary-motor rotating speeds.
Through the fat liquid after the roughing out, be heated to 80 ℃, pumped into the opening for feed of disk centrifugal separator by second pump, carry out smart separation of three-phase of fat liquid, water, thin slag, flow control the 500-550 kilogram/hour, 6500 rev/mins of disk centrifuge rotating speeds, the clean fat liquid 807.5KG after the separation, moisture 0.2%, actual recovered rate height is 94.8%.
Embodiment two
Made a basket one ton of layer fat liquid, middle level fat liquid is moisture 24.8%, contains solid slag 9.2%, add turps 250KG, agitation condition is heated to 70 ℃ when being 65 rev/mins, the flow control that is pumped into horizontal screw centrifuge by first pump the 800-850 kilogram/hour, realize the roughing out of fat liquid and suspended solid; 3600 rev/mins of horizontal screw centrifuge engine speeds, 1500 rev/mins of auxiliary-motor rotating speeds.
Through the fat liquid after the roughing out, be heated to 80 ℃, pumped into the opening for feed of disk centrifugal separator by second pump, carry out smart separation of three-phase of fat liquid, water, thin slag, flow control the 600-650 kilogram/hour, 7000 rev/mins of disk centrifuge rotating speeds, after the separation clean fat liquid 890KG, moisture 0.15%, actual recovered rate 96.8%.
Embodiment three
Made a basket one ton of layer fat liquid, middle level fat liquid is moisture 24.0%, contains solid slag 9.0%, add turps 250KG, agitation condition is heated to 70 ℃ when being 70 rev/mins, the flow control that is pumped into horizontal screw centrifuge by first pump the 950-1000 kilogram/hour, realize the roughing out of fat liquid and suspended solid; 400 rev/mins of horizontal screw centrifuge engine speeds, 2000 rev/mins of auxiliary-motor rotating speeds.
Through the fat liquid after the roughing out, be heated to 80 ℃, pumped into the opening for feed of disk centrifugal separator by second pump, carry out smart separation of three-phase of fat liquid, water, thin slag, flow control the 750-800 kilogram/hour, 7500 rev/mins of disk centrifuge rotating speeds, after the separation clean fat liquid 900KG, moisture 0.10%, actual recovered rate 97.7%.
Claims (7)
1. the separation method of a middle level fat liquid is characterized in that step is as follows:
(1) fat liquid pump in middle level is gone into the raw material still, adds the turps of 20-25% mass percent, and heat temperature raising is to 70-75 ℃ under the agitation condition;
(2) pump into horizontal screw centrifuge by first pump, pump into flow control the 600-1000 kilogram/hour; Utilize the separation principle of horizontal screw centrifuge centrifugal settling speed discrepancy and helical feed, realize the roughing out of fat liquid and suspended solid: the suspended solid heavy phase enters slag ladle by the outlet of small end solid phase, and fat liquid gently flows into the roughing out storage tank by the fat liquid outlet of big end;
(3) through the fat liquid after the roughing out, be heated to 80 ℃, pump into smart separation of three-phase that disk centrifugal separator carries out fat liquid, water, thin slag by second pump, pump into flow control the 500-800 kilogram/hour; The clean fat liquid that obtains flows into the smart storage tank that separates, for the production of rosin and turps.
2. the separation method of middle level according to claim 1 fat liquid is characterized in that the agitation condition described in the step (1) is 60 rev/mins-70 rev/mins.
3. the separation method of middle level according to claim 1 fat liquid is characterized in that main motor speed 3000-4000 rev/min of horizontal screw centrifuge in the step (2), 1400-2000 rev/min of auxiliary-motor rotating speed.
4. the separation method of middle level according to claim 1 fat liquid is characterized in that in the step (3) 6500-7500 rev/min of disk centrifugal separator rotating speed.
5. the separation method of middle level according to claim 1 fat liquid, it is characterized in that entering disk centrifugal separator through the fat liquid after the roughing out in the step (3), in the video disc group, separate, solid particulate and moisture move to rotatory drum wall along the video disc inner conical surface, isolated water runner through between rotary drum lid and video disc gland enters the heavy phase pump chamber by gravity disc, discharged outside the disk centrifugal separator by water out by the heavy phase centripetal pump, clean fat liquid along video disc to the rotary drum central motion, enter light phase pump chamber by following light phase centripetal pump cover then, drain into the smart storage tank that separates by the clean liquid outlet of light phase centripetal pump warp, Gu realization liquid--the liquid three phase separation.
6. the separation method of middle level according to claim 1 fat liquid is characterized in that first pump in the step (2) and second pump in the step (3) all select toothed gear pump.
7. the separation method of middle level according to claim 1 fat liquid is characterized in that select tape in the step (1) stirs and the raw material still of heating unit.
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| CN 201210271968 CN102775914B (en) | 2012-08-02 | 2012-08-02 | Separation method of middle-layer resin liquid |
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| CN 201210271968 CN102775914B (en) | 2012-08-02 | 2012-08-02 | Separation method of middle-layer resin liquid |
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| CN102775914B true CN102775914B (en) | 2013-08-07 |
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| CN105713521B (en) * | 2016-03-21 | 2018-10-19 | 云南森源化工有限公司 | A kind of rosin dry method melts and fat liquid net system method |
| CN111109045A (en) * | 2019-12-30 | 2020-05-08 | 江苏培蕾基质科技发展有限公司 | Method for preparing flower cultivation soil by using wool washing sludge |
| CN112080206B (en) * | 2020-08-28 | 2022-07-26 | 中国林业科学研究院林产化学工业研究所 | Low-water-consumption and low-emission rosin processing method |
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| CN1837309A (en) * | 2006-04-17 | 2006-09-27 | 古远亮 | Method for producing colophony by using natural turpentine and residue and waste liquor from colophony production factory |
| CN102190960A (en) * | 2011-05-10 | 2011-09-21 | 赖耀明 | Dissolving pot used in ground turpentine and/or middle-layer turpentine liquid dissolving process and dissolving method thereof |
| CN102250550A (en) * | 2011-08-03 | 2011-11-23 | 李发中 | Method for extracting turpentine from middle-layer turpentine liquor |
| CN102286250A (en) * | 2011-07-07 | 2011-12-21 | 江西飞尚林产有限公司 | Method for processing primary rosin by middle layer grease liquid |
| CN202116480U (en) * | 2011-06-12 | 2012-01-18 | 江西飞尚林产有限公司 | Fast separating device for middle-layer fat liquor |
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- 2012-08-02 CN CN 201210271968 patent/CN102775914B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1837309A (en) * | 2006-04-17 | 2006-09-27 | 古远亮 | Method for producing colophony by using natural turpentine and residue and waste liquor from colophony production factory |
| CN102190960A (en) * | 2011-05-10 | 2011-09-21 | 赖耀明 | Dissolving pot used in ground turpentine and/or middle-layer turpentine liquid dissolving process and dissolving method thereof |
| CN202116480U (en) * | 2011-06-12 | 2012-01-18 | 江西飞尚林产有限公司 | Fast separating device for middle-layer fat liquor |
| CN102286250A (en) * | 2011-07-07 | 2011-12-21 | 江西飞尚林产有限公司 | Method for processing primary rosin by middle layer grease liquid |
| CN102250550A (en) * | 2011-08-03 | 2011-11-23 | 李发中 | Method for extracting turpentine from middle-layer turpentine liquor |
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Owner name: YUNNAN MEISENYUAN FOREST PRODUCT TECHNOLOGY CO., L Free format text: FORMER OWNER: YUNNAN MAOSEN LINHUA TECHNOLOGY DEVELOPMENT CO., LTD. Effective date: 20150427 |
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Free format text: CORRECT: ADDRESS; FROM: 655000 CHUXIONG YI AUTONOMOUS PREFECTURE, YUNNAN PROVINCE TO: 675100 CHUXIONG YI AUTONOMOUS PREFECTURE, YUNNAN PROVINCE |
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Effective date of registration: 20150427 Address after: Double road 675100 Yunnan Yi Autonomous Prefecture in Chuxiong province Shuangbai County West Chu edge community Patentee after: Yunnan Meisenyuan Forest Product Technology Co., Ltd. Address before: 655000 Yunnan Yi Autonomous Prefecture in Chuxiong province Shuangbai County town of Tuo River taza Patentee before: Yunnan Maosen Linhua Technology Development Co., Ltd. |