CN205090785U - Waste heat recovery system of drying and cooling machine - Google Patents
Waste heat recovery system of drying and cooling machine Download PDFInfo
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- CN205090785U CN205090785U CN201520730712.9U CN201520730712U CN205090785U CN 205090785 U CN205090785 U CN 205090785U CN 201520730712 U CN201520730712 U CN 201520730712U CN 205090785 U CN205090785 U CN 205090785U
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- dry cooler
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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
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Abstract
The utility model relates to a waste heat recovery system of drying and cooling machine, including drying and cooling machine and plate heat exchanger, fan export and air heater's air intake connection, air heater air outlet and the quick -witted hot -blast access connection of the drying and cooling, the hot air exitus of drying and cooling machine and the entry linkage of husky ke long, the export of husky ke long is connected through the heat side air intake of hot -blast import pipe with plate heat exchanger, plate heat exchanger's heat side air outlet is connected with total exhaust pipe through the hot air exitus pipe, plate heat exchanger's cold side air intake and atmosphere communicate with each other, plate heat exchanger's cold side air outlet links to each other with the entry of fan. Plate heat exchanger's heat side upper portion is equipped with spray cleaning device, and spray cleaning device's water inlet links to each other with the outlet pipe of heat -exchanger pump, and the import of heat -exchanger pump links to each other with the waste water cooking kettle, and the plate heat exchanger below is connected with the heat exchanger drain pipe. This system can fully retrieve hot air drying's waste heat, and reduce energy consumption reduces the thermal pollution to the environment.
Description
Technical field
The utility model relates to a kind of dry cooler, and particularly a kind of residual neat recovering system of dry cooler, belongs to grain and oil machinery technical field.
Background technology
Oil plant leaches in production process, and the wet dregs of rice of infuser outlet generally contain the solvent of about 25%, must carry out precipitation, drying and cooling processing, just can obtain the qualified finished product dregs of rice to the wet dregs of rice.Evapo-separated machine and dry cooler are at present for wet dregs of rice precipitation equipment the most widely, the function that it has precipitation, drying and cools.Different according to output, evapo-separated machine and dry cooler can be integral types, also can be that evapo-separated machine and dry cooler separate.
The major function of dry cooler is drying for the dregs of rice and cooling, the wet dregs of rice of high temperature flow from top to bottom, successively through drying layer and the cooling layer of super-dry cooler, drying layer mainly through hot blast through the material stirred, thus the moisture taken away in material, reach dry object.
The hot-blast outlet temperature of dry cooler is generally 80 DEG C-90 DEG C, is rich in a large amount of heats.At present, the hot blast of dry cooler is directly entered air by most of oily factory after cyclone purification, and hot blast used heat is not utilized.
Diversion box utilizes the principle design that n-hexane is different with the relative density of water and n-hexane solubility in water is minimum.Although the solubility of n-hexane in water very little (being only 0.014%), if the operation of point water is abnormal, water-separating time is shorter or solvent with water generation emulsification when, will more solvent be contained in waste water.In order to reclaim the solvent in waste water as much as possible, reduce the molten consumption in production process, oily factory production line is equipped with wastewater boilling tank, and waste water need through wastewater boilling tank boiling process, and waste water boiling operating temperature is generally 90-95 DEG C.Current common way is that the hot water of wastewater boilling tank is directly entered cesspool, wastes a large amount of heats.
Utility model content
The purpose of this utility model is, overcomes problems of the prior art, provides a kind of residual neat recovering system of dry cooler, fully can reclaim the waste heat of dry-heat air, reduces energy resource consumption, reduces the thermal pollution to environment.
For solving above technical problem, the residual neat recovering system of a kind of dry cooler of the present utility model, comprise blower fan, air heater, dry cooler and cyclone, the outlet of described blower fan is connected with the air inlet of described air heater, the air outlet of described air heater is connected with the hot wind inlet of described dry cooler, the hot-blast outlet of described dry cooler is connected with the entrance of described cyclone, also comprise plate type heat exchanger, the outlet of described cyclone is connected with the hot side air inlet of described plate type heat exchanger by hot wind inlet pipe, the hot side air-out mouth of described plate type heat exchanger is connected with total exhaust duct by hot-blast outlet pipe, the cold side air inlet of described plate type heat exchanger communicates with air, the cold side air outlet of described plate type heat exchanger is connected with the entrance of described blower fan.
Relative to prior art, the utility model achieves following beneficial effect: the air of fan outlet is after air heater heating, enter the drying layer of dry cooler, fully contact with material and take away the moisture in material, discharge from the hot-blast outlet of dry cooler, then hot blast is after cyclone dedusting, the hot side air inlet of plate type heat exchanger is entered by hot wind inlet pipe, to take the shape of the letter U flowing at plate type heat exchanger, discharge from the hot-blast outlet at dry cooler top, then enter total exhaust duct to airborne release by hot-blast outlet pipe; Natural wind enters from the cold side air inlet of plate type heat exchanger, indirect heat exchange is carried out with the hot blast of hot side, preheating is obtained after absorbing the heat of hot side, then discharge from the cold side air outlet of plate type heat exchanger, enter the entrance of blower fan, reclaim the heat of dry cooler institute thermal wind exhausting, reduced the heating load of air heater simultaneously, decrease the hot driving to environment.
As improvement of the present utility model, the hot upper lateral part of described plate type heat exchanger is provided with the spraying and cleaning apparatus washed hot side, the hot side lower part of described plate type heat exchanger is provided with cone bucket, the water inlet of described spraying and cleaning apparatus is connected with the outlet of heat-exchanger pump, the import of described heat-exchanger pump is connected with the bottom of wastewater boilling tank, the bottom of described cone bucket is connected with heat exchanger draining valve, and the outlet of described heat exchanger draining valve is connected with heat exchanger drainpipe.Although the hot blast of discharging from dry cooler have passed through cyclone dedusting, still containing certain dust, can be gathered on heat-transfer surface gradually, the hot water of wastewater boilling tank exchange hot side is adopted to clean, both improve heat exchange efficiency, also take full advantage of the heat in hot water, washed hot water is discharged from the heat exchanger draining valve bottom cone bucket and heat exchanger drainpipe.
As further improvement of the utility model, the lower sides of described cone bucket is provided with overfall, and described overfall is connected with heat exchanger overflow pipe by U-shaped water seal.The hot water exceeding water level is directly discharged from overfall, and the effect cutting off gas circuit is played in U-shaped water seal.
As further improvement of the utility model, described heat exchanger drainpipe and described heat exchanger overflow pipe are respectively equipped with visor.The situation such as turbidity, flow of draining can be observed by visor.
As further improvement of the utility model, described heat exchanger drainpipe is all connected with water seal tank with the outlet of described heat exchanger overflow pipe.
As further improvement of the utility model, described hot wind inlet pipe is provided with air inlet adjustment valve, described hot-blast outlet pipe is provided with air-out control valve, the outlet of described cyclone is also connected with described total exhaust duct by bypass regulator valve.By regulating the aperture of air inlet adjustment valve, air-out control valve and bypass regulator valve, the hot blast rate entering plate type heat exchanger can be regulated, when plate type heat exchanger needs maintenance, also can standard-sized sheet bypass regulator valve, hot blast is discharged directly to total exhaust duct.
As further improvement of the utility model, the outlet of described heat-exchanger pump is also connected with the rinse water entrance of described air heater by air heater cleaning valve, and the rinse water outlet of described air heater is connected with water seal tank.The heat-transfer surface of air heater, after longtime running, also can cover dust, and regularly can open air heater cleaning valve and clean, waste water is discharged to water seal tank.
Accompanying drawing explanation
Be described in further detail the utility model below in conjunction with the drawings and specific embodiments, accompanying drawing only provides reference and explanation use, is not used to limit the utility model.
Fig. 1 is the schematic diagram of the residual neat recovering system of the dry cooler of the utility model.
In figure: 1. blower fan; 2. air heater; 3. dry cooler; 4. conveyer; 5. cyclone; 6. plate type heat exchanger; 6a. cold side air inlet; 6b. cold side air outlet; 6c. hot side air inlet; The hot side air-out mouth of 6d.; 6e. spraying and cleaning apparatus; 7. wastewater boilling tank; 8. heat-exchanger pump; 9a, 9b. visor; The water seal of 10.U shape; G1. heat exchanger drainpipe; G2. heat exchanger overflow pipe; V1. air inlet adjustment valve; V2. air-out control valve; V3. bypass regulator valve; V4. heat exchanger draining valve; V5. hot water control valve; V6. air heater cleaning valve.
Detailed description of the invention
As shown in Figure 1, the residual neat recovering system of the dry cooler of the utility model comprises blower fan 1, air heater 2, dry cooler 3, cyclone 5 and plate type heat exchanger 6, the outlet of blower fan 1 is connected with the air inlet of air heater 2, the air outlet of air heater 2 is connected with the hot wind inlet of dry cooler 3, the hot-blast outlet of dry cooler 3 is connected with the entrance of cyclone 5, the outlet of cyclone 5 is connected with the hot side air inlet 6c of plate type heat exchanger 6 by hot wind inlet pipe, the hot side air-out mouth 6d of plate type heat exchanger 6 is connected with total exhaust duct by hot-blast outlet pipe, the cold side air inlet 6a of plate type heat exchanger 6 communicates with air, the cold side air outlet 6b of plate type heat exchanger 6 is connected with the entrance of blower fan 1.
The wet dregs of rice of high temperature enter dry cooler 3 from conveyer 4, flow through drying layer and cooling layer from top to bottom; The air that blower fan 1 exports is after air heater 2 heats, enter the drying layer of dry cooler 3, fully contact with material and take away the moisture in material, discharge from the hot-blast outlet of dry cooler 3, then hot blast is after cyclone 5 dedusting, is entered the hot side air inlet 6c of plate type heat exchanger 6 by hot wind inlet pipe, to take the shape of the letter U flowing at plate type heat exchanger 6, discharge from the hot-blast outlet at dry cooler 3 top, then enter total exhaust duct to airborne release by hot-blast outlet pipe; Natural wind enters from the cold side air inlet 6a of plate type heat exchanger 6, indirect heat exchange is carried out with the hot blast of hot side, preheating is obtained after absorbing the heat of hot side, then discharge from the cold side air outlet 6b of plate type heat exchanger 6, enter the entrance of blower fan 1, reclaim the heat of dry cooler 3 thermal wind exhaustings, reduced the heating load of air heater 2 simultaneously, decrease the hot driving to environment.
The hot upper lateral part of plate type heat exchanger 6 is provided with the spraying and cleaning apparatus 6e washed hot side, the hot side lower part of plate type heat exchanger 6 is provided with cone bucket, the water inlet of spraying and cleaning apparatus 6e is connected with the outlet of heat-exchanger pump 8, the import of heat-exchanger pump 8 is connected with the bottom of wastewater boilling tank 7, the bottom of cone bucket is connected with heat exchanger draining valve V4, the outlet of heat exchanger draining valve V4 is connected with heat exchanger drainpipe G1, the hot water inlet pipeline of spraying and cleaning apparatus 6e is provided with hot water control valve V5.Although the hot blast of discharging from dry cooler 3 have passed through cyclone 5 dedusting, still containing certain dust, can be gathered on heat-transfer surface gradually, the hot water of wastewater boilling tank 7 exchange hot side is adopted to clean, both improve heat exchange efficiency, also take full advantage of the heat in hot water, washed hot water is discharged from the heat exchanger draining valve V4 bottom cone bucket and heat exchanger drainpipe G1.
The lower sides of cone bucket is provided with overfall, and overfall is connected with heat exchanger overflow pipe G2 by U-shaped water seal 10.The hot water exceeding water level is directly discharged from overfall, and the effect cutting off gas circuit is played in U-shaped water seal 10.
Heat exchanger drainpipe G1 is all connected with water seal tank with the outlet of heat exchanger overflow pipe G2.Heat exchanger overflow pipe G2 is provided with visor 9a, and heat exchanger drainpipe G1 is provided with visor 9b, can be observed the situation such as turbidity, flow of draining by visor.
Hot wind inlet pipe is provided with air inlet adjustment valve V1, hot-blast outlet pipe is provided with air-out control valve V2, the outlet of cyclone 5 is also connected with total exhaust duct by bypass regulator valve V3.By regulating the aperture of air inlet adjustment valve V1, air-out control valve V2 and bypass regulator valve V3, the hot blast rate entering plate type heat exchanger 6 can be regulated, when plate type heat exchanger 6 needs maintenance, also can standard-sized sheet bypass regulator valve V3, hot blast is discharged directly to total exhaust duct.
The outlet of heat-exchanger pump 8 is also connected with the rinse water entrance of air heater by air heater cleaning valve V6, and the rinse water outlet of air heater is connected with water seal tank.The heat-transfer surface of air heater, after longtime running, also can cover dust, and regularly can open air heater cleaning valve V6 and clean, waste water is discharged to water seal tank.
The foregoing is only the better possible embodiments of the utility model, non-ly therefore limit to scope of patent protection of the present utility model.In addition to the implementation, the utility model can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection domain of the utility model requirement.The utility model can pass through without the technical characteristic described or adopt existing techniques in realizing, does not repeat them here.
Claims (7)
1. the residual neat recovering system of a dry cooler, comprise blower fan, air heater, dry cooler and cyclone, the outlet of described blower fan is connected with the air inlet of described air heater, the air outlet of described air heater is connected with the hot wind inlet of described dry cooler, the hot-blast outlet of described dry cooler is connected with the entrance of described cyclone, it is characterized in that: also comprise plate type heat exchanger, the outlet of described cyclone is connected with the hot side air inlet of described plate type heat exchanger by hot wind inlet pipe, the hot side air-out mouth of described plate type heat exchanger is connected with total exhaust duct by hot-blast outlet pipe, the cold side air inlet of described plate type heat exchanger communicates with air, the cold side air outlet of described plate type heat exchanger is connected with the entrance of described blower fan.
2. the residual neat recovering system of dry cooler according to claim 1, it is characterized in that: the hot upper lateral part of described plate type heat exchanger is provided with the spraying and cleaning apparatus washed hot side, the hot side lower part of described plate type heat exchanger is provided with cone bucket, the water inlet of described spraying and cleaning apparatus is connected with the outlet of heat-exchanger pump, the import of described heat-exchanger pump is connected with the bottom of wastewater boilling tank, the bottom of described cone bucket is connected with heat exchanger draining valve, and the outlet of described heat exchanger draining valve is connected with heat exchanger drainpipe.
3. the residual neat recovering system of dry cooler according to claim 2, is characterized in that: the lower sides of described cone bucket is provided with overfall, and described overfall is connected with heat exchanger overflow pipe by U-shaped water seal.
4. the residual neat recovering system of dry cooler according to claim 3, is characterized in that: described heat exchanger drainpipe and described heat exchanger overflow pipe are respectively equipped with visor.
5. the residual neat recovering system of dry cooler according to claim 3, is characterized in that: described heat exchanger drainpipe is all connected with water seal tank with the outlet of described heat exchanger overflow pipe.
6. the residual neat recovering system of dry cooler according to claim 1, it is characterized in that: described hot wind inlet pipe is provided with air inlet adjustment valve, described hot-blast outlet pipe is provided with air-out control valve, the outlet of described cyclone is also connected with described total exhaust duct by bypass regulator valve.
7. the residual neat recovering system of dry cooler according to claim 2, it is characterized in that: the outlet of described heat-exchanger pump is also connected with the rinse water entrance of described air heater by air heater cleaning valve, the rinse water outlet of described air heater is connected with water seal tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520730712.9U CN205090785U (en) | 2015-09-21 | 2015-09-21 | Waste heat recovery system of drying and cooling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520730712.9U CN205090785U (en) | 2015-09-21 | 2015-09-21 | Waste heat recovery system of drying and cooling machine |
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| Publication Number | Publication Date |
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| CN205090785U true CN205090785U (en) | 2016-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520730712.9U Active CN205090785U (en) | 2015-09-21 | 2015-09-21 | Waste heat recovery system of drying and cooling machine |
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| CN (1) | CN205090785U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115406189A (en) * | 2022-08-05 | 2022-11-29 | 河南农业大学 | Intelligent food drying equipment under rubber contact condition |
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2015
- 2015-09-21 CN CN201520730712.9U patent/CN205090785U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115406189A (en) * | 2022-08-05 | 2022-11-29 | 河南农业大学 | Intelligent food drying equipment under rubber contact condition |
| CN115406189B (en) * | 2022-08-05 | 2024-03-01 | 河南农业大学 | Intelligent food drying equipment under rubber contact condition |
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| GR01 | Patent grant |