CN103920304B - Device for improving safety of leaching workshop and reducing solvent loss - Google Patents
Device for improving safety of leaching workshop and reducing solvent loss Download PDFInfo
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- CN103920304B CN103920304B CN201410156554.0A CN201410156554A CN103920304B CN 103920304 B CN103920304 B CN 103920304B CN 201410156554 A CN201410156554 A CN 201410156554A CN 103920304 B CN103920304 B CN 103920304B
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- separating box
- water
- heat exchanger
- water tank
- solvent loss
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Abstract
The invention discloses a device for improving the safety of a leaching workshop and reducing solvent loss. A filler layer is arranged in a spray tower, a water distribution pipe and a rotary drum are arranged above the filler layer, and eyeholes are formed in the water distribution pipe; the upper tube side of a shell-and-tube heat exchanger is connected with an inlet in the bottom of the spray tower, an outlet in the top of the spray tower is connected with an exhaust fan, and an outlet of the exhaust fan is connected with an air outlet; one end of a main liquid distribution box is connected with a balancing tank tube, the other end of the main liquid distribution box is connected with the lower tube side of the shell-and-tube heat exchanger, the main liquid distribution box is connected with an auxiliary liquid distribution box by a connecting vessel, the auxiliary liquid distribution box is also connected with a refrigerating water box through the connecting vessel, the refrigerating water box is connected with the lower tube side of the shell-and-tube heat exchanger by a circulating water pump, and the upper tube side of the shell-and-tube heat exchanger is connected with a water distribution pipe; a refrigerating plant is arranged in the refrigerating water box. According to the device, a leaching system generates micro negative pressure, and reduces and completely eradicates the leakage amount of solvents in the leaching system, the solvent loss is reduced to the maximum degree, the potential safety hazard is eliminated, the structure is simple and reliable, and the practicability is strong.
Description
Technical field
The present invention relates to one to prevent from leaching workshop escape, and improve the device of security and reduction solvent loss.
Background technology
Leaching be use solvent particularly organic solvent the target component in material is dissolved, and then carry out the operation that is separated, be the technological means that factorial praluction is conventional, be all widely used in food, biology, chemical industry and medicine and other fields.
The solvent leaching workshop use due to the overwhelming majority is all organic solvent, and it is high volatility, inflammable, explosive, thus, leaching one of the key points for operation in workshop is exactly avoid leaching system to produce malleation, even if very little malleation also may cause solvent to volatilize from system and loss out, produce the loss of solvent, easily fill the air and enrichment in leaching workshop from leaching system volatilization and loss solvent vapo(u)r out, because all inflammable and explosive also possibility of most of organic solvent is poisonous, thus constitute serious threat.
In order to reduce the leakage of solvent in leaching system, general leaching system is all provided with compensator, compensator be exactly by leaching equipment with more greatly, longer pipeline UNICOM makes pressure balanced equipment, but the application of compensator failing fundamentally prevents the leakage of solvent, stops security incident.If design a kind of device, the compensator of leaching system is bled, forms leaching system tiny structure, and the solvent vapo(u)r in bleeding thoroughly is reclaimed, then not only solvent loss can be reduced, the security incident effectively can also stopped the leakage because system malleation causes and cause thus.
Summary of the invention
The technical problem to be solved in the present invention overcomes the deficiencies in the prior art exactly, a kind of device is provided, this apparatus structure is simple, practical, can bleed to the compensator of leaching system, form leaching system tiny structure, and the solvent vapo(u)r in bleeding thoroughly is reclaimed, the security incident effectively stopped the leakage because system malleation causes and cause thus.
For overcoming the deficiencies in the prior art, the present invention takes following technical scheme:
A kind of raising leaches shop safety and the device reducing solvent loss, comprise air exhauster, spray column, tubular heat exchanger, main separating box, secondary separating box, freezing water tank and water circulating pump, it is characterized in that: spray column is the enclosed construction exported up and down, inside there is packing layer, water distributor and rotary drum is provided with above packing layer, water distributor is provided with eyelet, and water distributor moves rotary drum and water distributor spin by eyelet spray water belt; On tubular heat exchanger, tube side connects spray column bottom inlet, and spray column top exit connects air exhauster, and air exhauster outlet connects exhaust outlet; Main separating box one termination compensator pipe, the lower tube side of other end connecting column heat exchange of heat pipe, main separating box is connected with time separating box through linker, secondary separating box is connected with freezing water tank through another linker, freezing water tank is connected with the lower shell side of tubular heat exchanger through water circulating pump, and the upper shell side of tubular heat exchanger is connected with water distributor; Be provided with heat exchange coil in freezing water tank, heat exchange coil connects handpiece Water Chilling Units.
Described spray column is provided with manhole and peephole, and manhole and peephole are usually closed, can open when needing.
Packing layer in described spray column is that surface area is comparatively large, the object of small volume, namely the object of increase surface area often said of field of engineering technology, as Raschig ring, Boolean ring and saddle ring etc.
Described main separating box top is provided with solvent refluxing pipe, can will reclaim and the solvent carrying out separatory process flows back to storage tank.
Described main separating box and time separating box are provided with liquid level gauge, are convenient to observe liquid level.
Be inverted cone-shaped structure bottom described main separating box, secondary separating box and freezing water tank, the cone end, is connected with blowoff valve.
Described freezing water tank is provided with ball-cock assembly and ball-cock assembly ball float, is convenient to the water level observing and control freezing water tank.
Between described water circulating pump import and freezing water tank, water circulating pump exports and be provided with valve between freezing water tank and between tubular heat exchanger shell side, is convenient to realize various functions operation.
Described spray column, tubular heat exchanger, main separating box, secondary separating box and freezing water tank are provided with heat-insulation layer.
Workflow of the present invention is as follows:
Gas from compensator enters main separating box pass from connecing compensator pipe through top, enter tubular heat exchanger tube side, be upward through heat exchanger tube, flows heat exchange with shell side chilled water from bottom to top; Chilled water upwards arrives tubular heat exchanger shell side top, and the eyelet from water distributor after entering water distributor sprays, and water distributor is oppositely sprayed water by eyelet and driven rotary drum and water distributor spin, makes chilled water aqueous dispersion even, unrestrained, through packing layer.Realize large-area dirty chilled water direct contact type large area heat exchange on ascending air and filler at packing layer, make the heat of chilled water efficiently, thoroughly in gas, make solvent vapo(u)r condensation wherein, the gas after precipitation is extracted out emptying by air exhauster.
The gas of compensator is from bottom to top through spray column, and the chilled water fallen with spray carries out adverse current direct contact heat transfer, is able to condensation from the Solvents Solvent in compensator gas.
The chilled water carrying solvent, back up through tubular heat exchanger, with the tail gas direct contact heat transfer again that rises in tube side, makes solvent vapo(u)r condensation.
Solvent after all chilled waters and condensation liquefaction is flowed to main separating box entirely, and solvent density is little is in water layer top, and observe water and demixing of solvents situation by liquid level gauge, solvent is many, and the valve can opened on solvent refluxing pipe realizes solvent refluxing.
When liquid level exceedes the position of linker balance pipe, under the effect of linker, the water of main separating box bottom can overflow to time separating box, finally overflows to freezing water tank, can not by the solvent overflow in two separating boxes to freezing water tank.
Heat exchange coil is had in freezing water tank, heat exchange coil connects handpiece Water Chilling Units, make the water for cooling in freezing water tank, chilled water enters water circulating pump by Valve controlling, output can divide two-way, and a road valve return controls to carry out the stirring of pump jet flow, strengthening frozen water tank inner coil pipe and water heat exchange, another route valve regulated heat exchange chilled water circular flow, ball-cock assembly automatic makeup is filled to applicable liquid level.
The core of the design is exactly that the heat exchange of chilled water spray makes solvent condenses, and the solvent condenses in conjunction with tubulation heat exchange is separated, and emptying gas is not substantially containing solvent.
The air-extraction function of this device can make leaching system produce tiny structure, reduce and stop the leakage of solvent in leaching system, reduces solvent consumption to greatest extent and eliminates safe hidden trouble.
Compared with prior art, beneficial effect of the present invention is:
In tubulation, gas rising, chilled water falling liquid film, carry out steam heat-exchanging condensation seizure, and manage outer cryogenic freezing water and ensure that in pipe, steam-condensation is efficiently thorough, in managing, chilled water falling liquid film effectively prevent air film enrichment, hinders heat exchange condensation, improves heat transfer coefficient; The gas that tube side rises is filled layer large area efficient direct contact type cooling heat transfer again, makes solvent vapo(u)r thoroughly condensation further, makes exhaust emissions reach minimum residual molten.
The cooling of two-stage series connection chilled water, condensed steam ensure tail gas precipitation effect, reflux guarantee recirculation water not containing solvent bottom two-stage separatory and linker; This device also can not produce escape when separating box carries out blowdown and water circulating pump 29 produces and leaks, and stops potential safety hazard to the full extent.
The present invention is simple and reliable for structure, practical, wide market.
Accompanying drawing explanation
Fig. 1 is planar structure schematic diagram of the present invention.
In figure, each label represents:
1, exhaust outlet; 2, air exhauster; 3, water distributor; 4, rotary drum; 5, manhole; 6, peephole; 7, spray column; 8, valve a; 9, packing layer; 10, tubular heat exchanger; 11, compensator pipe is connect; 12, main separating box; 13, solvent refluxing pipe; 14, liquid level gauge a; 15, solvent and moisture boundary line; 16, linker a; 17, blowoff valve a; 18, secondary separating box; 19, linker b; 20, liquid level gauge b; 21, linker balance pipe; 22, handpiece Water Chilling Units; 23, heat exchange coil; 24, blowoff valve b; 25, ball-cock assembly ball float; 26, ball-cock assembly; 27, valve b; 28, freezing water tank; 29, water circulating pump; 30, valve c; 31, blowoff valve c.
Detailed description of the invention
Now by reference to the accompanying drawings, the present invention is illustrated further.
Improve the device leaching shop safety and reduce solvent loss as shown in Figure 1, comprise air exhauster 2, spray column 7, tubular heat exchanger 10, main separating box 12, secondary separating box 18, freezing water tank 28 and water circulating pump 29, spray column 7 is the enclosed construction exported up and down, inside there is packing layer 9, water distributor 3 and rotary drum 4 is provided with above packing layer 9, water distributor 3 is provided with eyelet, and water distributor 3 moves rotary drum 4 by eyelet spray water belt and water distributor 3 spins; On tubular heat exchanger 10, tube side connects spray column 7 bottom inlet, and spray column 7 top exit connects air exhauster 2, and air exhauster 2 exports and connects exhaust outlet 1; Main separating box 12 1 termination compensator pipe 11, the lower tube side of other end connecting column heat exchange of heat pipe 10, main separating box 12 is connected with time separating box 18 through linker 16, secondary separating box 18 is connected with freezing water tank 28 through another linker 19, freezing water tank 28 is connected with the lower shell side of tubular heat exchanger 10 through water circulating pump 29, and the upper shell side of tubular heat exchanger 10 is connected with water distributor 3; Be provided with heat exchange coil 23 in freezing water tank 28, heat exchange coil 23 connects handpiece Water Chilling Units 22.
Described spray column 7 is provided with manhole 5 and peephole 6, and manhole and peephole are usually closed, can open when needing.
Packing layer 9 in described spray column 7 is that surface area is comparatively large, the object of small volume, namely the object of increase surface area often said of field of engineering technology, as Raschig ring, Boolean ring and saddle ring etc.
Described main separating box 12 top is provided with solvent refluxing pipe 13, can will reclaim and the solvent carrying out separatory process flows back to storage tank.
Described main separating box 12 and time separating box 18 are provided with liquid level gauge 14,20, are convenient to observe liquid level.
Be inverted cone-shaped structure bottom described main separating box 12, secondary separating box 18 and freezing water tank 28, the cone end, is connected with blowoff valve 17,31 and 24.
Described freezing water tank 28 is provided with ball-cock assembly 26 and ball-cock assembly ball float 25, is convenient to the water level observing and control freezing water tank.
Valve 30 is set between the import of described water circulating pump 28 and freezing water tank 28, water circulating pump exports and arrange valve 27 between freezing water tank, valve 8 is set between tubular heat exchanger shell side, is convenient to realize various functions operation.
Described spray column 7, tubular heat exchanger 10, main separating box 12, secondary separating box 18 and freezing water tank 28 are provided with heat-insulation layer.
Gas from compensator enters main separating box 12 pass from connecing compensator pipe 11 through top, enter tubular heat exchanger 10 tube side, be upward through heat exchanger tube, flows heat exchange with shell side chilled water from bottom to top; Chilled water upwards arrives tubular heat exchanger 10 shell side top, and the eyelet from water distributor 3 after entering water distributor 3 sprays, and water distributor 3 is oppositely sprayed water by eyelet and driven rotary drum 4 and water distributor 3 to spin, and makes chilled water aqueous dispersion even, unrestrained, through packing layer 9.Realize large-area dirty chilled water direct contact type large area heat exchange on ascending air and filler at packing layer 9, make chilled water absorb heat in gas efficiently, thoroughly, make solvent vapo(u)r condensation wherein, the gas after precipitation is extracted out emptying by air exhauster 2.
The gas of compensator is from bottom to top through spray column 7, and the chilled water fallen with spray carries out adverse current direct contact heat transfer, is able to condensation from the Solvents Solvent in compensator gas.
The chilled water carrying solvent, back up through tubular heat exchanger 10, with the tail gas direct contact heat transfer again that rises in tube side, makes solvent vapo(u)r condensation.
Solvent after all chilled waters and condensation liquefaction is flowed to main separating box 12 entirely, and solvent density is little is in water layer top, observes water and demixing of solvents situation by liquid level gauge 14, and solvent is many, and the valve can opened on solvent refluxing pipe 13 realizes solvent refluxing.
When liquid level exceedes the position of linker 16 balance pipe, under the effect of linker, the water of main separating box 12 bottom can overflow to time separating box 18, finally overflows to freezing water tank 28, can not by the solvent overflow in two separating boxes to freezing water tank.
Heat exchange coil 23 is had in freezing water tank 28, heat exchange coil connects handpiece Water Chilling Units, make the water for cooling in freezing water tank, chilled water is controlled to enter water circulating pump 29 by valve 30, output can divide two-way, and a road valve 27 control that refluxes carries out the stirring of pump jet flow, strengthening frozen water tank inner coil pipe and water heat exchange, another route valve 8 regulates heat exchange chilled water circular flow, and ball-cock assembly 26 automatic makeup is filled to applicable liquid level.
Above-mentioned just preferred embodiment of the present invention, not does any pro forma restriction to the present invention.Any those of ordinary skill in the art, when not departing from technical solution of the present invention scope, can utilize the technology contents of above-mentioned announcement to make many possible variations and modification to technical solution of the present invention, or being revised as the Equivalent embodiments of equivalent variations.Therefore, every content not departing from technical solution of the present invention, according to the technology of the present invention essence to any simple modification made for any of the above embodiments, equivalent variations and modification, all should drop in the scope of technical solution of the present invention protection.
Claims (9)
1. one kind is improved the device leaching shop safety and reduce solvent loss, comprise air exhauster, spray column, tubular heat exchanger, main separating box, secondary separating box, freezing water tank and water circulating pump, it is characterized in that: spray column is the enclosed construction exported up and down, inside there is packing layer, water distributor and rotary drum is provided with above packing layer, water distributor is provided with eyelet, and water distributor moves rotary drum and water distributor spin by eyelet spray water belt; On tubular heat exchanger, tube side connects spray column bottom inlet, and spray column top exit connects air exhauster, and air exhauster outlet connects exhaust outlet; Main separating box one termination compensator pipe, the lower tube side of other end connecting column heat exchange of heat pipe, main separating box is connected with time separating box through linker, secondary separating box is connected with freezing water tank through another linker, freezing water tank is connected with the lower shell side of tubular heat exchanger through water circulating pump, and the upper shell side of tubular heat exchanger is connected with water distributor; Be provided with heat exchange coil in freezing water tank, heat exchange coil connects handpiece Water Chilling Units.
2. according to claim 1 raising leaches shop safety and the device reducing solvent loss, and it is characterized in that: described spray column is provided with manhole and peephole, manhole and peephole are usually closed, can open when needing.
3. according to claim 1 raising leaches shop safety and the device reducing solvent loss, it is characterized in that: the packing layer in described spray column is that surface area is comparatively large, the object of small volume.
4. according to claim 1 raising is leached shop safety and reduces the device of solvent loss, it is characterized in that: described main separating box top is provided with solvent refluxing pipe, can will reclaim and the solvent carrying out separatory process flows back to storage tank.
5. according to claim 1 raising leaches shop safety and the device reducing solvent loss, it is characterized in that: described main separating box and time separating box are provided with liquid level gauge, is convenient to observe liquid level.
6. according to claim 1 raising leaches shop safety and the device reducing solvent loss, and it is characterized in that: be inverted cone-shaped structure bottom described main separating box, secondary separating box and freezing water tank, the cone end is connected with blowoff valve.
7. according to claim 1 raising leaches shop safety and the device reducing solvent loss, it is characterized in that: described freezing water tank is provided with ball-cock assembly and ball-cock assembly ball float, is convenient to the water level observing and control freezing water tank.
8. according to claim 1 raising leaches shop safety and the device reducing solvent loss, it is characterized in that: between described water circulating pump import and freezing water tank, water circulating pump exports and be provided with valve between freezing water tank and between tubular heat exchanger shell side, be convenient to realize various functions operation.
9. according to claim 1 raising leaches shop safety and the device reducing solvent loss, it is characterized in that: described spray column, tubular heat exchanger, main separating box, secondary separating box and freezing water tank are provided with heat-insulation layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410156554.0A CN103920304B (en) | 2014-04-18 | 2014-04-18 | Device for improving safety of leaching workshop and reducing solvent loss |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410156554.0A CN103920304B (en) | 2014-04-18 | 2014-04-18 | Device for improving safety of leaching workshop and reducing solvent loss |
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| Publication Number | Publication Date |
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| CN103920304A CN103920304A (en) | 2014-07-16 |
| CN103920304B true CN103920304B (en) | 2015-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410156554.0A Expired - Fee Related CN103920304B (en) | 2014-04-18 | 2014-04-18 | Device for improving safety of leaching workshop and reducing solvent loss |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109475787B (en) * | 2017-07-03 | 2021-03-26 | 深圳市兆福源科技有限公司 | Spray solution preparation method and device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201091185Y (en) * | 2007-10-22 | 2008-07-30 | 闫子鹏 | Rice bran swelling pre-treatment, leaching complete equipment |
| CN202322773U (en) * | 2011-10-27 | 2012-07-11 | 西安市坤伯工程技术开发有限责任公司 | Complete equipment for leaching grease |
| CN202605770U (en) * | 2012-06-08 | 2012-12-19 | 四川农业大学 | Novel water heating system for supercritical fluid extraction device |
| CN202924986U (en) * | 2012-10-04 | 2013-05-08 | 刘芳 | Novel rice oil leaching complete equipment |
| CN203777698U (en) * | 2014-04-18 | 2014-08-20 | 吉首大学 | Device for improving security of leaching workshop and reducing consumption of solvent |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NZ237011A (en) * | 1990-02-23 | 1992-06-25 | Cra Services | Extraction and recovery of gold by treatment with an acidic lixiviant solution |
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2014
- 2014-04-18 CN CN201410156554.0A patent/CN103920304B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201091185Y (en) * | 2007-10-22 | 2008-07-30 | 闫子鹏 | Rice bran swelling pre-treatment, leaching complete equipment |
| CN202322773U (en) * | 2011-10-27 | 2012-07-11 | 西安市坤伯工程技术开发有限责任公司 | Complete equipment for leaching grease |
| CN202605770U (en) * | 2012-06-08 | 2012-12-19 | 四川农业大学 | Novel water heating system for supercritical fluid extraction device |
| CN202924986U (en) * | 2012-10-04 | 2013-05-08 | 刘芳 | Novel rice oil leaching complete equipment |
| CN203777698U (en) * | 2014-04-18 | 2014-08-20 | 吉首大学 | Device for improving security of leaching workshop and reducing consumption of solvent |
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| CN103920304A (en) | 2014-07-16 |
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Effective date of registration: 20170602 Address after: 221200, Jiangsu, Xuzhou province Suining County Industrial Park Guanyin Avenue, East Avenue North Patentee after: JIANGSU ZHONGCHENG COMPOSITE MATERIAL Co.,Ltd. Address before: 510000 unit 2414-2416, building, No. five, No. 371, Tianhe District, Guangdong, China Patentee before: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Effective date of registration: 20170602 Address after: 510000 unit 2414-2416, building, No. five, No. 371, Tianhe District, Guangdong, China Patentee after: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Address before: 416000 Hunan, Xiangxi Tujia and Miao Autonomous Prefecture, Jishou City People's road, No. 120 Patentee before: Jishou University |
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Granted publication date: 20150722 Termination date: 20180418 |