CN203112789U - Leaching solvent recycling economizer - Google Patents
Leaching solvent recycling economizer Download PDFInfo
- Publication number
- CN203112789U CN203112789U CN 201220605162 CN201220605162U CN203112789U CN 203112789 U CN203112789 U CN 203112789U CN 201220605162 CN201220605162 CN 201220605162 CN 201220605162 U CN201220605162 U CN 201220605162U CN 203112789 U CN203112789 U CN 203112789U
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Abstract
The utility model discloses a leaching solvent recycling economizer, which is used for secondarily utilizing the heat of high-temperature free gas of an evapo-separated machine and vapor once used by a vapor injection pump used for generating negative pressure vacuum in a leaching workshop. The vapor enters from the bottom part of the equipment and a plurality layers of heat exchange disc combinations are arranged in the middle of the equipment; vapor-liquid direct heat exchange and indirect compound heat exchange treatments are performed on solvent-oil mixed liquid entering from an injection liquid collection tank at the top part of the equipment; and the heated solvent-oil mixed liquid is heated again in a waste water cooking pot for converting the solvent-oil from a liquid state into a gas state and is recycled after being condensed. The vapor afterheat is used for primary heating to rise the temperature of the liquid, thereby reducing the energy consumption of utilizing vapor, reducing waste water discharge and facilitating environmental protection. A simple structure is provided for improving the performance, reducing the energy consumption, recycling the solvent, saving the energy and lowering the cost.
Description
Technical field:
The utility model related products are widely used in the food oils engineering and leach solvent capture recovery technology field in the operation.
Background technology:
At present, the grease processing enterprise food oils raw material of domestic various scales leaches, the wet cake that contains of leacher is sent into the pre-delamination of DTDC evapo-separated machine by wet dregs of rice scraper plate through expecting sealing spiral conveyer, heat with indirect steam the bottom, slough partial solvent in the dregs of rice, the wet dregs of rice after taking off in advance enter the steaming delamination, steam delamination and establish the certain bed depth of automatic bin gate control maintenance, the bottom feeds open steam, sloughs whole solvents.Under hot blast and cold wind effect, drying, cooling make the moisture content of the dregs of rice and temperature reach the storage requirement.Mixing oil after the purification steams feeding pump by one and squeezes into the first long-tube evaportor tube side from miscella tank, with the mixed steam (secondary steam) of DTDC desolventizing machine, as a heating medium that steams.The solvent of evaporation enters vacuum cooler-condenser through the separate chamber, and the bottom, separate chamber is provided with fluid level control device, keeps fluid-tight, and first vaporizer and vacuum cooler-condenser keep certain residual voltage by the rough vacuum squirt pump.Can reduce the mixing oil boiling point, improve heat utilization ratio, the mixing oil after concentrating advances second long-tube evaportor and evaporates (negative pressure) after squeezing into the mixing oil heater heats by two steaming feeding pumps, and melting concn is reached about 95%.The mixing oil well heater keeps certain Heating temperature by automatic control device, and the solvent vapour of evaporation enters energy-saving appliance through the separate chamber.The outlet mixing oil is squeezed into stripping tower (negative pressure) by pump.Mixing oil enters from stripping tower top, successively flows down along butterfly dish in the tower, and the open steam adverse current that sprays at the bottom of the tower makes progress, and vapour-liquid fully contacts sloughs residual solvent in the oil.Tower bottom is installed fluid level controller, guarantees fluid-tight and processed oil stable flow rate, and the crude oil behind the precipitation is extracted out by the stripping tower bottom, after the cooling of crude oil water cooler, send into the crude oil jar again and store, after enter the refining plant refining.All solvent gas after the condensation, enter water trap in condenser, the solvent of telling overflows to the solvent storehouse and carries out recycle, and the water of telling flows to digester, residual solvent in the water is steamed take off, and waste water enters water seal tank then.The free gas that leacher condenser, energy-saving appliance condenser, liquid collecting jar water trap, circulating solvent jar come out all enters the air balance jar, reclaims solvent through last condenser.Noncondensable gas (tail gas) enters the paraffin absorption unit, and gas enters from absorption tower bottom, oil-poorly flows down from tower top, passes the absorption of packing layer and tail gas counter current contact, and the tail gas after the absorption enters atmosphere by exhaust fan through spark arrester from the top, absorption tower.The rich oil that has absorbed solvent enters the desorption tower top after heat exchange, the open steam adverse current that sprays at the bottom of the tower makes progress, and the oil-poor absorption tower that enters after heat exchange after the desorb recycles, and the gas of desorption tower discharging enters energy-saving appliance.Free gas from evapo-separated machine comes out contains water vapour; Enter condenser Cheng Shui-solvent oil mixing liquid after condensation, enter digester and utilize the heat feedwater-solvent oil of steam to mix liquid heat, making it wherein, solvent oil changes gas into by liquid; Enter condenser then and carry out the condensation recovery.
The utility model content:
Product involved in the present invention at the problems referred to above, used steam once to carry out the second stage employ heat free gas of evapo-separated machine high temperature and the vapor jet pump that produces negative-pressure vacuum for the leaching workshop; Thereby reach purpose of energy saving.Cylindrical shell is provided with steam outlet pipe, a steam inlet pipe, No. two steam inlet pipes; Cylindrical shell one end is provided with end socket, and end socket is provided with oil inlet pipe; The other end is connected to cone, and cone is provided with drain pipe; Inner barrel is provided with the combination of multilayer heat exchange video disc.Enter by steam slave unit bottom, be provided with the video disc combination of multilayer heat exchange at the middle part of equipment; What make that the top jet liquid collecting jar of slave unit comes in contains solvent oil mixing liquid, carries out vapour-liquid direct heat exchange and indirect compound heat exchange; Make and contain solvent oil mixing liquid and heat for the first time.Solvent oil mixing liquid after the heating is heated again entering wastewater boilling tank, makes solvent oil in the solvent oil mixing liquid; Be converted into gaseous state by liquid state, reclaim after the condenser condenses then.By utilizing used steam waste heat to heat for the first time, fluid temperature is increased; Thereby reduced the energy expenditure of using steam, reduced discharge of wastewater simultaneously and be conducive to environment protection.By the simple structure that provides, reach and improve performance, minimizing energy expenditure, solvent recuperation is energy-conservation, the effect of reduction expense.
Description of drawings:
Below in conjunction with drawings and Examples the utility model is further specified, Fig. 1 is a kind of related product structure of solvent recuperation energy-saving appliance and schematic diagram of leaching.
As shown in Figure 1, oil inlet pipe 1, steam outlet pipe 2, cylindrical shell 3, heat exchange video disc combination 4, bearing 5, a steam inlet pipe 6, No. two steam inlet pipes 7, drain pipes 8 are formed.
Embodiment:
The product that this project is related, as shown in Figure 1, cylindrical shell 3 sidepieces are provided with steam outlet pipe 2, a steam inlet pipe 6, No. two steam inlet pipes 7; Cylindrical shell 3 is vertically set in the system by bearing 5.Cylindrical shell 3 one ends are provided with end socket, and the other end is connected to cone; Cone is convenient to liquids recovery.The bottom of cone is provided with drain pipe 8, and the top of end socket is provided with oil inlet pipe 1; The top of oil inlet pipe 1 is provided with baffle plate, makes to be sprayed onto from the liquid of oil inlet pipe 1 that splash spreads towards periphery on the baffle plate.Be provided with multilayer heat exchange video disc combination 4 in cylindrical shell 3 inside, the speed that the water vapor that reduction enters from the below and the top solvent oil mixing liquid of end socket enter cylindrical shell 3; Thereby improve the heat exchanger effectiveness of heat exchange video disc combination 4.Be provided with the baffle plate of hollow circular ring type below heat exchange video disc combination 4, baffle plate is divided into two chambeies with the inner chamber of cylindrical shell 3; After steam is come in, carry out heat exchange by mixed flow from the slow heat exchange video disc combination 4 that enters of the interior circular hole of dividing plate; Make steam in the time lengthening of cylindrical shell 3 internal stops simultaneously, reach and improve the heat exchange effect.Enter the inner chamber of cylindrical shell 3 when the free gas of evapo-separated machine and vapor jet pump use steam once from a steam inlet pipe 6, No. two steam inlet pipes 7, carried out preheating through making cylindrical shell 3 and heat exchange video disc combination 4 after two kinds of steam mixed flows; Mixing steam is from the interior circular hole of dividing plate, the up operation of the one-level one-level by heat exchange video disc combination 4.The solvent oil mixing liquid of liquid collecting jar enters from oil inlet pipe 1, by baffle plate past dirty with the one-level one-level that is sprayed at heat exchange video disc combination 4 of solvent oil mixing liquid dispersion; Heat exchange is directly carried out in the mixing steam convection current that makes it up to move.After the fin heating of mixing steam with heat exchange video disc combination 4 simultaneously, when solvent oil mixing liquid carries out heat exchange from fin through out-of-date.Solvent oil mixing liquid enters wastewater boilling tank from drain pipe 8 after temperature improves and carries out the solvent heating separation by composite heat-exchange.The solvent oil mixing liquid of high-temperature enters the wastewater boilling tank intensification and does not just need too many quantity of steam like this, thereby reaches energy-conservation effect.
Claims (2)
1. one kind is leached the solvent recuperation energy-saving appliance, and its feature: cylindrical shell is provided with steam outlet pipe, a steam inlet pipe, No. two steam inlet pipes; Cylindrical shell one end is provided with end socket, and the other end is connected to cone; Inner barrel is provided with multilayer heat exchange video disc combination, is provided with the baffle plate of hollow circular ring type below the combination of heat exchange video disc, and the inner chamber of cylindrical shell is divided into two chambeies.
2. a kind of leaching solvent recuperation energy-saving appliance according to claim 1, its feature: the top of end socket is provided with oil inlet pipe (1), and the top of oil inlet pipe is provided with baffle plate; The bottom of cone is provided with drain pipe (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220605162 CN203112789U (en) | 2012-11-16 | 2012-11-16 | Leaching solvent recycling economizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220605162 CN203112789U (en) | 2012-11-16 | 2012-11-16 | Leaching solvent recycling economizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203112789U true CN203112789U (en) | 2013-08-07 |
Family
ID=48893157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220605162 Expired - Fee Related CN203112789U (en) | 2012-11-16 | 2012-11-16 | Leaching solvent recycling economizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203112789U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107034013A (en) * | 2017-03-30 | 2017-08-11 | 中粮粮油工业（荆州）有限公司 | A kind of efficient energy-saving device |
-
2012
- 2012-11-16 CN CN 201220605162 patent/CN203112789U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107034013A (en) * | 2017-03-30 | 2017-08-11 | 中粮粮油工业（荆州）有限公司 | A kind of efficient energy-saving device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130807 Termination date: 20151116 |
|
| EXPY | Termination of patent right or utility model |