CN202366602U - Concentration and condensation recovery equipment for Freon in insulating layer of waste refrigerator - Google Patents
Concentration and condensation recovery equipment for Freon in insulating layer of waste refrigerator Download PDFInfo
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- CN202366602U CN202366602U CN201120543039XU CN201120543039U CN202366602U CN 202366602 U CN202366602 U CN 202366602U CN 201120543039X U CN201120543039X U CN 201120543039XU CN 201120543039 U CN201120543039 U CN 201120543039U CN 202366602 U CN202366602 U CN 202366602U
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- fluorine lyons
- water
- freon
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- condenser
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The utility model discloses concentration and condensation recovery equipment for Freon in an insulating layer of a waste refrigerator, which is characterized by comprising a gaseous Freon pretreatment and collection device, a gaseous Freon adsorption concentration and desorption device, a first-stage condenser, a second-stage condenser, a liquid Freon storage tank, a normal-temperature water circulation system, a low-temperature water circulation system, a saturated steam generating system and an electronic control system, wherein the gaseous Freon pretreatment and collection device is connected with the gaseous Freon adsorption concentration and desorption device through a pipeline; Freon gas delivered from the gaseous Freon adsorption concentration and desorption device is connected to the first-stage condenser through a pipeline; the Freon gas delivered from the first-stage condenser is connected to the second-stage condenser through a pipeline; liquid Freon delivered from the second-stage condenser is connected to the liquid Freon storage tank through a pipeline; the normal-temperature water circulation system is connected and communicated with one runner of the first-stage condenser for circulation; the low-temperature water circulation system is connected and communicated with one runner of the second-stage condenser for circulation; the saturated steam generating system is connected with two adsorption columns of the gaseous Freon adsorption concentration and desorption device; and the electronic control system is connected with the gaseous Freon pretreatment and collection device, the gaseous Freon adsorption concentration and desorption device, the first-stage condenser, the second-stage condenser, the liquid Freon storage tank, the normal-temperature water circulation system, the low-temperature water circulation system and the saturated steam generating system.
Description
Technical field
The utility model relates to environmental protection technical field, and being specifically related to a kind of waste refrigerators heat-insulation layer fluorine Lyons is the concentrated device of condensation recovery of blowing agent CFC-11.
Background technology
As the cold-producing medium waste refrigerators, its heat-insulating layer foaming agent is R11 with fluorine Lyons R12, and its chemical name is an Arcton 11, is called for short CFC-11, is a kind of ozone layer depleting substance.In waste refrigerators disposal of resources process, destructurized originally because of it, thus discharge, like untimely collection and treatment, will destroy the ozone layer in the atmosphere.
China begins the suitability for industrialized production refrigerator since the beginning of the eighties, stop to produce till the fluorine-containing refrigerator by on July 1st, 2007, and China produces 1.92 hundred million in refrigerator altogether.Calculate that according to preliminary fluorine-containing refrigerator is about about 1.3 hundred million.Use CFC-11 to calculate as 150g as 800g and CFC-12 by every refrigerator, common property is given birth to 12.35 ten thousand tons of ODS materials, and wherein CFC-11 is 10.4 ten thousand tons.
Current, China resident refrigerator recoverable amount is greater than 1.3 hundred million.Suppose to scrap per year 4000000 refrigerators, every refrigerator is by 8kg polyurethane, and then annual meeting produces 3.2 ten thousand t polyurethane materials, and wherein CFC-11 is approximately 3200 tons.
Disassembling in the process of waste refrigerators, because of carrying out fragmentation, make heat-insulation layer that comminuted destruction taken place to casing, mix the fluorine Lyons in the polymeric system into, in processing procedure, discharge.Fluorine Lyons is the ozone layer depleting substance, spills in the atmosphere to damage the ozone layer, and has a strong impact on environment.For protecting environment better, heat has been signed by China Montreal Protocol on Substances that Deplete the Ozone Layer, and formulated " ODS management rules (exposure draft) ".Regulations of rules: be engaged in the refrigeration plant that contains ODS, refrigeration system, fire extinguisher, fire extinguishing system or other equipment, facility maintenance, the unit of business activities such as scrap, should the ODS in equipment, the facility be reclaimed and handle.
Therefore; The blowing agent treatment technology and the equipment that produce in the research and development waste refrigerators processing procedure; Have urgent realistic meaning and good social effect, particularly be extremely important setting up resource-conserving and environment-friendly society, developing a circular economy.
Summary of the invention
The utility model technical problem to be solved is: solve the problem that above-mentioned prior art exists, and provide a kind of waste refrigerators heat-insulation layer fluorine Lyons to concentrate device of condensation recovery, environmental protection; Efficiently, non-secondary pollution, automaticity is high; Labour intensity is low; With electron wastes treatment facility slitless connection, realize online recovery, recovering effect is good.
The technical scheme that the utility model adopts is: this waste refrigerators heat-insulation layer fluorine Lyons concentrates condensation recycling method and is:
1, waste refrigerators being disassembled the blowing agent fluorine Lyons that produces in the process is CFC-11, adopts ventilating and purifying air system to collect;
2, the waste gas of collecting gets into the activated carbon fiber adsorbent equipment and concentrates; After reaching certain concentration, feed steam and carry out desorb, gaseous fluorine Lyons that desorb is got off is CFC-11 and vapor mixture; Get into first-stage condenser; Water vapour condensation is wherein got off, and remaining gas gets into secondary condenser and carries out condensation once more; Gaseous fluorine Lyons is that CFC-11 realizes phase transformation in secondary condenser, from the gaseous state liquefy;
3, condensation liquid fluorine Lyons of getting off is that the basin that CFC-11 gets into special-purpose band cold insulation structure is preserved, and regularly sends into condensed water by refrigerating plant in the chuck of basin and carries out cold insulation;
4, liquid fluorine Lyons is that with specialized apparatus suction liquefaction steel cylinder, the unit that is sent to qualification carries out harmlessness disposing CFC-11 reaches certain quantity in basin after.
The concrete processing procedure of said method is:
Fluorine-containing Lyons is that the waste gas of CFC-11 is sent into cyclone dust collectors by air-introduced machine, removes the coarse granule in the mist, gets into sack cleaner then, purifies again; Waste gas after purified treatment gets into first adsorption tower, and constantly absorption is concentrated in first adsorption tower in fluorine Lyons, and after reaching capacity, waste gas gets into second adsorption tower; The intake valve of first adsorption tower cuts out, and steam valve is opened, and saturated vapor gets into first adsorption tower; Under the effect of steam pressure, the fluorine Lyons in first adsorption tower is that CFC-11 gas gets into first-stage condenser, and mist and normal-temperature water are carried out heat exchange in first-stage condenser; Water vapour becomes condensed water and is separated, and fluorine Lyons is that CFC-11 gas then gets into secondary condenser, carries out heat exchange with cold water again; Realize phase transformation,, and flow into basin from the gaseous state liquefy.
Waste refrigerators heat-insulation layer fluorine Lyons of the utility model concentrates device of condensation recovery; Comprise that preliminary treatment of gaseous fluorine Lyons and gathering-device, gaseous fluorine Lyons are adsorbed concentrated and desorption apparatus, first-stage condenser, secondary condenser, liquid fluorine Lyons basin, the normal-temperature water circulatory system, the water at low temperature circulatory system, saturated vapor produce system and electric-control system; Preliminary treatment of gaseous fluorine Lyons and gathering-device connect the absorption of gaseous fluorine Lyons through pipeline and concentrate and desorption apparatus; The absorption of gaseous fluorine Lyons concentrates fluorine Lyons gas of exporting with desorption apparatus and is connected to first-stage condenser through pipeline; Fluorine Lyons gas of first-stage condenser output is connected to secondary condenser through pipeline, and liquid fluorine Lyons of secondary condenser output is connected to liquid fluorine Lyons basin through pipeline; A runner of the normal-temperature water circulatory system and first-stage condenser connects circulation; A runner of the water at low temperature circulatory system and secondary condenser connects circulation; Saturated vapor generation system connects gaseous fluorine Lyons and adsorbs two adsorption towers that concentrate with desorption apparatus, and electric control gear connects the said equipment.
In the technique scheme, said each equipment is respectively:
1, gaseous fluorine Lyons is CFC-11 preliminary treatment and gathering-device:
Comprise airduct, cyclone dust collectors, sack cleaner, blower fan etc., the main collection of accomplishing gaseous foaming agent CFC-11, and dust wherein handled, ready for getting into next technique unit.
2, gaseous fluorine Lyons is that CFC-11 absorption concentrates, desorption apparatus: comprise adsorption box, have activated carbon fiber on it, mixed gas delivery pipeline, operated pneumatic valve; Steam conveying pipe, valve; The air discharge pipe road; Blow-off line; Back blowing machine, discharge duct, frame etc.Fluorine Lyons of the mist that be used for adsorbing, concentrate, desorb contains gaseous fluorine Lyons.
3, first-stage condenser:
This equipment is the spiral plate condenser, and its structure and performance are following:
This equipment is rolled by two steel plates and forms, and has formed two uniform helical ducts, and two kinds of heat transfer mediums can carry out full counter-current flow, have strengthened the heat exchange effect greatly, even two kinds little temperature difference media also can reach desirable heat exchange effect.Cutting orientation structure is adopted in adapter on housing, and local resistance is little, because the curvature of helical duct is uniformly, liquid flows in equipment does not have big turning to, and total resistance is little, thereby can improve design current velocity and make it to possess higher heat-transfer capability.The mist of gaseous fluorine Lyons (CFC-11) and water vapour gets into a runner, and normal-temperature water gets into another runner, and two media is realized heat exchange on spiral plate, and water vapour is condensed into water and gets into the water basin.
4, secondary condenser:
This equipment is the spiral plate condenser, and its structure and performance are with the one-level condenser.Gaseous foaming agent gets into one of them runner, and water at low temperature gets into another runner.Two media carries out heat exchange on spiral plate, gaseous foaming agent is condensed into liquid state by water at low temperature.
5, liquid blowing agent basin:
This equipment is the square box structure of jacketed.Water at low temperature feeds in the chuck, guarantees that the interior temperature of equipment is lower than the boiling point of gaseous foaming agent, makes the fluorine Lyons in the casing remain at liquid condition.
6, the normal-temperature water circulatory system:
This system is made up of water pump, inlet channel, water return pipeline, cooling tower, valve etc.A runner and the interior mist of another runner that normal-temperature water is sent in the first-stage condenser carry out heat exchange, and the water vapour in the mist is condensed into liquid water, and the realization water vapour separates with gaseous foaming agent.
7, the water at low temperature circulatory system:
This system is made up of refrigeration unit, water at low temperature delivery pump, water at low temperature conveyance conduit, low temperature bucket etc.The normal-temperature water of adding system is freezed into 5 ℃-10 ℃ water at low temperature by handpiece Water Chilling Units.Water at low temperature is sent into a runner in the secondary condenser by delivery pump, carries out heat exchange with gaseous foaming agent in another runner, and gaseous foaming agent is condensed into liquid state.
8, saturated vapor produces system:
This system mainly is made up of fuel oil basin, oil pump, fuel oil pans, combustor, boiler body, gas-distributing cylinder, water treatment system, electric-control system.The main generation and the supply saturated vapor, the gaseous foaming agent that supplies desorb to be adsorbed on the activated carbon is used.
9, electric-control system:
This system is made up of several parts such as PLC (according to the intelligence control system of program running), touch-screen (man-computer interface is provided, reaches the people and combine with the best human of machine), magnetic valve, frequency conversion fan control system, A.C. contactor, auxiliary reclay, supporting breaker, electrothermal relay protection system, Switching Power Supplies.
Main through the control steam valve, air inlet, drain tap, blower fan etc. realize that the purification of waste gas and the condensation liquefaction in fluorine Lyons reclaim.
Outstanding characteristics and the remarkable result of the utility model is:
1, the utility model is a pure physical treatment course, does not produce secondary pollution, has characteristics efficient, environmental protection.
2, this device can be realized automatic control, and can realize unmanned, and automaticity is high, and labour intensity is low.
3, this recovery technology realizes online recovery, realizes slitless connection with the electron wastes treatment facility, has solved the recovery problem in the fluorine Lyons (CFC-11) that produces in the electron wastes processing procedure well.
4, present technique technology is simply suitable, and fluorine Lyons purity of recovery is high, has good marketing prospect.
5, present technique is a domestic initiation, has filled up a technological gap in this field.The general operating mode that only is suitable for little air quantity of present international treatment process technology, this technology not only can be handled little air quantity, also can handle big air quantity, and level is in a leading position.
Description of drawings:
Fig. 1 is the utility model structural principle sketch map;
Fig. 2 is monitoring process control sketch map;
Fig. 3 connects the assembling sketch map for each equipment.
The explanation of accompanying drawing mark:
The 1-air-introduced machine; The 2-cyclone dust collectors; The 3-sack cleaner; 4-first adsorption tower;
5-second adsorption tower; The 6-first-stage condenser; The 7-storage tank; The 8-secondary condenser;
9-waste gas air inlet Self controlling valve; 10-exhaust gas evacuation Self controlling valve;
The 11-first adsorption tower air inlet Self controlling valve; The 12-second adsorption tower air inlet Self controlling valve;
The dry Self controlling valve of 13-first adsorption tower; 14-adsorbs the dry Self controlling valve of second tower;
The 15-first adsorption tower steam Self controlling valve; 16-adsorbs the first tower desorb Self controlling valve;
The 17-second adsorption tower steam Self controlling valve; The 18-second adsorption tower desorb Self controlling valve;
19-first adsorption tower discharging Self controlling valve that purifies air;
20-second adsorption tower discharging Self controlling valve that purifies air; The 21-steam conveying pipe;
The fluorine-containing Lyons of 22-waste gas distributing pipe; The 23-first adsorption tower air inlet pipe;
The 24-second adsorption tower air inlet pipe; The 25-surge tank; 26-second adsorption tower delivery pipe that purifies air;
27-first adsorption tower delivery pipe that purifies air; The 28-blowdown stack.
The specific embodiment:
With reference to Fig. 1; Waste refrigerators heat-insulation layer fluorine Lyons (CFC-11) of the utility model concentrates condensation recycling method and equipment, is made up of air-introduced machine 1, cyclone dust collectors 2, sack cleaner 3, first adsorption tower 4, second adsorption tower 5, first-stage condenser 6, basin 7, secondary condenser 8 and steam generating system, the normal-temperature water circulatory system, handpiece Water Chilling Units etc.
Processing procedure:
The waste gas in fluorine-containing Lyons (CFC-11) is sent into cyclone dust collectors 2 by air-introduced machine 1, removes the coarse granule in the mist, gets into sack cleaner then, purifies again.Waste gas after purified treatment gets into first adsorption tower, and constantly absorption is concentrated in adsorption tower in fluorine Lyons, and after reaching capacity, waste gas gets into second adsorption tower.The intake valve of first adsorption tower cuts out, and steam valve is opened, and saturated vapor gets into first adsorption tower; Under the effect of steam pressure, fluorine Lyons (CFC-11) gas in the tower gets into first-stage condenser 6, and mist and normal-temperature water are carried out heat exchange in first-stage condenser; Water vapour becomes condensed water and is separated, and fluorine Lyons (CFC-11) gas then gets into secondary condenser 8, carries out heat exchange with cold water again; Realize phase transformation,, and flow into basin 7 from the gaseous state liquefy.
The capital equipment connecting mode and the operation principle of this device:
As shown in Figure 2:
The waste gas in fluorine-containing Lyons (CFC-11) gets into cyclone dust collectors 2 through conduit under the traction of air-introduced machine 1, remove coarseparticulate wherein, gets into sack cleaner 3 then, further removes wherein fine particle.Waste gas after the purification gets into waste gas distributing pipes (can be through Self controlling valve 10 entering accident passages like emergency) through Self controlling valve 9; Under the guide of automatic program, Self controlling valve 11 is opened, and waste gas gets into first adsorption tower and adsorbs; The discharging Self controlling valve 19 that purifies air is opened; Purified gas is discharged thus, and fluorine Lyons CFC-11 is implantation on the first adsorption tower bed, and is saturated until the absorption of first adsorption tower.Self controlling valve 11, Self controlling valve 19 are closed, and Self controlling valve 12, Self controlling valve 20 are opened, and waste gas gets into the absorption of second adsorption tower; Self controlling valve 15 is opened, and steam gets into first adsorption tower, and first adsorption tower gets into desorb; Self controlling valve 16 is opened; The waste gas that desorbs gets into first-stage condenser 6, and steam condensation is wherein got off, and remaining gas gets into surge tank 25 and carries out branch water; Residual air gets into secondary condenser 8 and carries out deep cooling, with fluorine Lyons liquefy entering basin 7 harvestings of gaseous state.After the first adsorption tower desorb finished, Self controlling valve 15, Self controlling valve 16 were closed, and Self controlling valve 13, Self controlling valve 19 are opened; First adsorption tower gets into blowback; After the first adsorption tower drying, Self controlling valve 13, Self controlling valve 19 are closed, and first adsorption tower gets into wait state.After the absorption of second adsorption tower was saturated, Self controlling valve 12,20 was closed.Self controlling valve 11,19 is opened, and waste gas gets into the absorption of first adsorption tower, begins next circulation.Simultaneously, Self controlling valve 17,18 is opened, and steam gets into the second adsorption tower desorb; The gas that desorb is got off gets into first-stage condenser 6 condensations; Water vapour condensation is wherein got off, and residual gas gets into surge tank and divides water, and residual air then gets into secondary condenser 8 and carries out deep cooling; With gaseous fluorine Lyons CFC-11 wherein) liquefy, liquid fluorine (CFC-11) Lyons gets into basin 7 and stores.After the second adsorption tower desorb finished, Self controlling valve 16,18 was closed, and Self controlling valve 14,20 is opened, and second adsorption tower is carried out blowback, and dry until second adsorption tower, Self controlling valve 14,20 is closed, and waited for getting into next circulation.Waste gas circulation in order between first absorption, second absorption, two towers like this, to fluorine Lyons (CFC-11) wherein constantly adsorb, desorb, condensation harvesting, thereby reach in-line purification waste gas, and reclaim the purpose in fluorine Lyons.
Claims (2)
1. waste refrigerators heat-insulation layer fluorine Lyons concentrates device of condensation recovery; It is characterized in that: comprise that preliminary treatment of gaseous fluorine Lyons and gathering-device, gaseous fluorine Lyons are adsorbed concentrated and desorption apparatus, first-stage condenser, secondary condenser, liquid fluorine Lyons basin, the normal-temperature water circulatory system, the water at low temperature circulatory system, saturated vapor produce system and electric-control system; Preliminary treatment of gaseous fluorine Lyons and gathering-device connect the absorption of gaseous fluorine Lyons through pipeline and concentrate and desorption apparatus; The absorption of gaseous fluorine Lyons concentrates fluorine Lyons gas of exporting with desorption apparatus and is connected to first-stage condenser through pipeline; Fluorine Lyons gas of first-stage condenser output is connected to secondary condenser through pipeline, and liquid fluorine Lyons of secondary condenser output is connected to liquid fluorine Lyons basin through pipeline; A runner of the normal-temperature water circulatory system and first-stage condenser connects circulation; A runner of the water at low temperature circulatory system and secondary condenser connects circulation; Saturated vapor generation system connects gaseous fluorine Lyons and adsorbs two adsorption towers that concentrate with desorption apparatus, and electric control gear connects the said equipment.
2. waste refrigerators heat-insulation layer fluorine according to claim 1 Lyons concentrates device of condensation recovery, and it is characterized in that: said each equipment is respectively: preliminary treatment of gaseous fluorine Lyons and gathering-device comprise: airduct, cyclone dust collectors, sack cleaner, blower fan; The absorption of gaseous fluorine Lyons concentrates with desorption apparatus and comprises: the adsorption box that has activated carbon fiber on it; Mixed gas delivery pipeline and operated pneumatic valve; Steam conveying pipe and valve; The air discharge pipe road; Blow-off line; Back blowing machine, discharge duct, frame; First-stage condenser is the spiral plate condenser, and its structure is rolled by two steel plates and forms, and has formed two uniform helical ducts, and cutting orientation structure is adopted in the adapter on the housing; Secondary condenser: this equipment is the spiral plate condenser, and its structure and performance are with the one-level condenser; Liquid blowing agent basin: this equipment is the square box structure of jacketed; The normal-temperature water circulatory system: this system is made up of water pump, inlet channel, water return pipeline, cooling tower, valve; The water at low temperature circulatory system: this system is made up of refrigeration unit, water at low temperature delivery pump, water at low temperature conveyance conduit, low temperature bucket; Saturated vapor produces system: this system is made up of fuel oil basin, oil pump, fuel oil pans, combustor, boiler body, gas-distributing cylinder, water treatment system, electric-control system; Electric-control system: this system is made up of PLC intelligence control system, touch-screen, magnetic valve, frequency conversion fan control system, A.C. contactor, auxiliary reclay, supporting breaker, electrothermal relay protection system, Switching Power Supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120543039XU CN202366602U (en) | 2011-12-22 | 2011-12-22 | Concentration and condensation recovery equipment for Freon in insulating layer of waste refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120543039XU CN202366602U (en) | 2011-12-22 | 2011-12-22 | Concentration and condensation recovery equipment for Freon in insulating layer of waste refrigerator |
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| CN202366602U true CN202366602U (en) | 2012-08-08 |
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| CN201120543039XU Expired - Fee Related CN202366602U (en) | 2011-12-22 | 2011-12-22 | Concentration and condensation recovery equipment for Freon in insulating layer of waste refrigerator |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103170213A (en) * | 2011-12-22 | 2013-06-26 | 湖南万容科技股份有限公司 | Concentration, condensation and recovery method and equipment for Freon of heat insulating layer of waste refrigerator |
| CN106215450A (en) * | 2016-08-29 | 2016-12-14 | 黎志春 | A kind of fragrance recovery method based on multi-stage condensing device |
| CN106267877A (en) * | 2016-08-29 | 2017-01-04 | 黎志春 | A kind of Maillard reaction fragrance recovery method based on ossein |
| CN106267878A (en) * | 2016-08-29 | 2017-01-04 | 黎志春 | A kind of fragrance recovery method |
| CN106377921A (en) * | 2016-08-29 | 2017-02-08 | 黎志春 | Method for recycling fragrance with multi-stage condenser |
-
2011
- 2011-12-22 CN CN201120543039XU patent/CN202366602U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103170213A (en) * | 2011-12-22 | 2013-06-26 | 湖南万容科技股份有限公司 | Concentration, condensation and recovery method and equipment for Freon of heat insulating layer of waste refrigerator |
| CN106215450A (en) * | 2016-08-29 | 2016-12-14 | 黎志春 | A kind of fragrance recovery method based on multi-stage condensing device |
| CN106267877A (en) * | 2016-08-29 | 2017-01-04 | 黎志春 | A kind of Maillard reaction fragrance recovery method based on ossein |
| CN106267878A (en) * | 2016-08-29 | 2017-01-04 | 黎志春 | A kind of fragrance recovery method |
| CN106377921A (en) * | 2016-08-29 | 2017-02-08 | 黎志春 | Method for recycling fragrance with multi-stage condenser |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120808 Termination date: 20181222 |