CN202501714U - Energy-saving drying system - Google Patents
Energy-saving drying system Download PDFInfo
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- CN202501714U CN202501714U CN2012200186331U CN201220018633U CN202501714U CN 202501714 U CN202501714 U CN 202501714U CN 2012200186331 U CN2012200186331 U CN 2012200186331U CN 201220018633 U CN201220018633 U CN 201220018633U CN 202501714 U CN202501714 U CN 202501714U
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Abstract
An energy-saving drying system comprises a press filtration system, a vacuum-pumping system, a heating system and a waste heat recirculation system. The vacuum-pumping system is connected with the press filtration system; the heating system is connected with the press filtration system; the waste heat recirculation system comprises a refrigerant condenser, a refrigerant evaporator, a pressure-reducing valve, a refrigerant compression pump and a refrigerant pipeline; the refrigerant condenser is connected with the refrigerant evaporator through a refrigerant pipeline; the refrigerant pipeline is respectively provided with the pressure-reducing valve and the refrigerant compression pump; the refrigerant condenser is connected with a heating system; the refrigerant evaporator is connected with a vacuum-pumping system; and a refrigerant is provided in the refrigerant pipeline. According to the energy-saving drying system provided in the utility model, the energy in hot water circulation and condensation of low-temperature water vapor is fully utilized, thereby the operation and process cost of the drying system is substantially reduced, a negative pressure is provided employing a water injection method in a vacuum pump, the operation energy consumption is reduced, and the water content of dried products is further reduced.
Description
Technical field
The utility model relates to food, chemical industry, environmental technology field, especially a kind of drying system.
Background technology
In existing technique for preparing dry, people adopt the mode that under the normal pressure material is heated usually, reduce the moisture content in the material; Reach the purpose of dried material, than higher, temperature is wayward to the requirement of temperature for this method; And consumed energy is big; If material is a food, also possibly destroy the nutritional labeling in the food, influence the taste of food.
Along with science and technology development, the vacuum drying technology has obtained application more and more widely, and this method is that product is placed under the condition of vacuum, reduces the boiling point of water, makes the moisture content low-temperature evaporation.But because equipment need provide negative pressure of vacuum, need in the water evaporates process to consume lot of energy, so operating cost, maintenance cost is very high, and the material moisture after drying is still bigger.
The utility model content
The technical problem that the utility model mainly solves provides a kind of energy-conservation drying system, can cut down the consumption of energy, and reduces operating cost, and can further reduce the water content of drying finished product.
For solving the problems of the technologies described above; The technical scheme that the utility model adopts is: a kind of energy-conservation drying system; Comprise press filteration system, pumped vacuum systems, heating system and recycling residual heat system, said pumped vacuum systems is connected with press filteration system, and heating system is connected with press filteration system; Said recycling residual heat system comprises refrigerant condenser, refrigerant evaporator, pressure-reducing valve, refrigerant compression pump, refrigerant pipe; Said refrigerant condenser is connected through refrigerant pipe with refrigerant evaporator, is respectively equipped with pressure-reducing valve, refrigerant compression pump on the refrigerant pipe, and the refrigerant condenser is connected with heating system; Refrigerant evaporator is connected with pumped vacuum systems, is provided with refrigerant in the said refrigerant pipe.
In preferred embodiment of the utility model, said press filteration system comprises filter press, and said filter press is provided with material inlet, material outlet, steam outlet, hot water pipeline import and hot water pipeline outlet.
In preferred embodiment of the utility model, said filter press is the diaphragm type plate and frame filter press.
In preferred embodiment of the utility model; Said heating system comprises hot water pipeline, recycle-water pipeline, second circulating pump, and said refrigerant condenser is provided with circulating water intake, circulating water outlet, and an end of said hot water pipeline is connected with circulating water outlet; The other end is connected with the hot water pipeline import of filter press; One end of recycle-water pipeline is connected with the outlet of the hot water pipeline of filter press, and the other end is connected with the circulating water intake of refrigerant condenser, is provided with second circulating pump in the middle of the said hot water pipeline.
In preferred embodiment of the utility model, said hot water pipeline is provided with heater.
In preferred embodiment of the utility model; Said pumped vacuum systems comprises Venturi tube, first circulating pump; Said Venturi tube is connected with press filteration system through pipeline; Venturi tube is connected with refrigerant evaporator through pipeline, on the pipeline between Venturi tube and the refrigerant evaporator, is provided with circulating pump.
In preferred embodiment of the utility model, said refrigerant condenser, refrigerant evaporator are provided with insulation jacket.
After implementing above technical measures, have following technique effect:
1. the potential of the steam that produced of the utility model recycle low-temperature evaporation, thus greatly reduce the operation processing cost of drying system.
2. the utility model can adopt water-jet pump that negative pressure is provided, and has reduced energy consumption.
3. the utility model is can energy savings about more than 70%.
Description of drawings
Fig. 1 is the structured flowchart of the energy-conservation drying system of the utility model;
Fig. 2 is the structural representation of the energy-conservation drying system of the utility model.
The specific embodiment
Below in conjunction with accompanying drawing the preferred embodiment of the utility model is set forth in detail, thereby the protection domain of the utility model is made more explicit defining so that advantage of the utility model and characteristic can be easier to it will be appreciated by those skilled in the art that.
See also Fig. 1 and Fig. 2, the utility model embodiment comprises:
A kind of energy-conservation drying system; Comprise press filteration system 1, pumped vacuum systems 2, heating system 3 and recycling residual heat system 4; Said pumped vacuum systems 2 is connected with press filteration system 1; Heating system 3 is carried out energy exchange with press filteration system 1, and recycling residual heat system 4 carries out energy exchange with pumped vacuum systems 2 and heating system 3 respectively.
Said recycling residual heat system 4 comprises refrigerant condenser 40, refrigerant evaporator 41, pressure-reducing valve 42, refrigerant compression pump 43, first refrigerant pipe 44, second refrigerant pipe 45.Said refrigerant condenser 40 is provided with first insulation jacket 46; Said refrigerant evaporator 41 is provided with second insulation jacket 47; Said insulation jacket 46,47 can effectively prevent energy loss; Said refrigerant condenser 40 is provided with recirculated water inlet 403, circulating water outlet 404 and water supplement port 405, and said refrigerant evaporator 41 is provided with inlet 413 and outlet 414, and the heat exchange outlet 402 of said refrigerant condenser 40 and the heat exchange of refrigerant evaporator 41 enter the mouth and 411 be connected through first refrigerant pipe 44; First refrigerant pipe 44 is provided with pressure-reducing valve 42; The heat exchange of refrigerant evaporator 41 outlet 412 and the heat exchange of refrigerant condenser 40 enter the mouth and 401 are connected through second refrigerant pipe 45, and said second refrigerant pipe 45 is provided with refrigerant compression pump 43, are provided with refrigerant in said refrigerant condenser 40, refrigerant evaporator 41, first refrigerant pipe 44, second refrigerant pipe 45; Said refrigerant heat absorption can become gas, and heat release can become liquid.
Said press filteration system 1 comprises filter press 10, preferred diaphragm type plate and frame filter press, and filter press 10 is provided with material inlet 101; Be used for the entering of material to be dried, material outlet 102 is used for dried material and discharges; Steam outlet 103; Hot water pipeline import 104 and hot water pipeline outlet 105, said material to be dried should be the fluidised form slurry, and its turnover mode is not listed the utility model in category is detailed.
Said pumped vacuum systems 2 comprises Venturi tube 20, first circulating pump 22; Said Venturi tube 20 is connected with the outlet 103 of filter press 10 through first pipeline 23; Said Venturi tube 20 is connected through second pipeline 24 with the inlet 413 of refrigerant evaporator 41; One end of said first circulating pump 22 is connected with the outlet 414 of refrigerant evaporator 41, and the other end is connected with Venturi tube 20.Venturi tube 20 makes filter press 10 form vacuum, realizes moisture content low-temperature evaporation that material to be dried in the filter press 10 is contained and extraction, and the steam of extraction mixes with injection water in Venturi tube 20; Liquefy; Emit energy, injection water is heated up, get into refrigerant evaporator 41 through second pipeline 24 then; Give refrigerant with thermal energy exchange, extract recycling by circulating pump 22 at last to Venturi tube 20 realization jetting fluids.
Said heating system 3 comprises recycle-water pipeline 30, hot water pipeline 31, second circulating pump 32; Heater 33, an end of said hot water pipeline 31 is connected with the circulating water outlet 404 of refrigerant condenser 40, and the other end is connected with the hot water pipeline import 104 of filter press 10; Said hot water pipeline 31 is provided with second circulating pump 32; The power of hot water circuit is provided, and said hot water pipeline 31 is provided with heater 33, can optionally regulate the water temperature that adds hot water; Said recycle-water pipeline 30 1 ends connect heating pipe road outlet 105, and the other end is connected with the recirculated water inlet 403 of refrigerant condenser.
When starting working, treat that drying material gets into filter press, 20 pairs of filter presses 10 of Venturi tube vacuumize; 32 work of second circulating pump, the water in the refrigerant condenser 40 gets into pipeline 31, the heater 33 of flowing through; Be adjusted to suitable water temperature, get into filter press then, material is heated; Hot water after the cooling flow back into refrigerant condenser 40 through recycle-water pipeline 30; Absorb the heat energy that refrigerant discharges, the back of heating up gets into filter press again under the effect of second circulating pump 32 heats so recycle to material.After moisture content low-temperature evaporation that Venturi tube 20 is contained with material in the filter press 10 and the extraction; Mix with jetting fluid wherein, liquefy, emit energy; Injection water is heated up; Get into refrigerant evaporator 41 through first pipeline 24 then, give refrigerant, extract recycling by first circulating pump 22 at last to Venturi tube 20 realization jetting fluids with thermal energy exchange.After refrigerant obtains this part energy, become middle wet body, behind the middle wet body process refrigerant compression pump 43 by cryogenic gas; Become high-temperature gas, after high-temperature gas gets into refrigerant condenser 40, the hot water that circulates is heated; Behind heat transferred hot water, refrigerant liquefies, after the refrigerant after the liquefaction reduces pressure through pressure-reducing valve 42; Form cryogenic gas, flow into refrigerant evaporator 41 again and absorb heat.Refrigerant constantly circulation in refrigerant condenser 40, refrigerant evaporator 41, pressure-reducing valve 42, refrigerant compression pump 43, first refrigerant pipe 44, second refrigerant pipe 45, the energy that discharges during the water at low temperature steam liquefaction that has realized Venturi tube is extracted is delivered in the refrigerant condenser 40 filter press circulation heating water is heated.When the quantity not sufficient of circulating hot water, also can be by water supplement port 405 to 40 moisturizings of refrigerant condenser.
The utility model adopts water-jet pump that negative pressure is provided, and has reduced energy consumption, and the potential of the steam that produced of recycle low-temperature evaporation, greatly reduces the operation processing cost of drying system, raises the efficiency, and is can energy savings about more than 70%.
The above is merely the embodiment of the utility model; Be not thus the restriction the utility model claim; Every equivalent structure or equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the utility model.
Claims (7)
1. an energy-conservation drying system is characterized in that, comprises press filteration system, pumped vacuum systems, heating system and recycling residual heat system; Said pumped vacuum systems is connected with press filteration system; Heating system is connected with press filteration system, and said recycling residual heat system comprises refrigerant condenser, refrigerant evaporator, pressure-reducing valve, refrigerant compression pump, refrigerant pipe, and said refrigerant condenser is connected through refrigerant pipe with refrigerant evaporator; Be respectively equipped with pressure-reducing valve, refrigerant compression pump on the refrigerant pipe; The refrigerant condenser is connected with heating system, and refrigerant evaporator is connected with pumped vacuum systems, is provided with refrigerant in the said refrigerant pipe.
2. energy-conservation drying system according to claim 1 is characterized in that said press filteration system comprises filter press, and said filter press is provided with material inlet, material outlet, steam outlet, hot water pipeline import and hot water pipeline outlet.
3. energy-conservation drying system according to claim 2 is characterized in that said filter press is the diaphragm type plate and frame filter press.
4. energy-conservation drying system according to claim 2; It is characterized in that; Said heating system comprises hot water pipeline, recycle-water pipeline, second circulating pump, and said refrigerant condenser is provided with circulating water intake, circulating water outlet, and an end of said hot water pipeline is connected with circulating water outlet; The other end is connected with the hot water pipeline import of filter press; One end of recycle-water pipeline is connected with the outlet of the hot water pipeline of filter press, and the other end is connected with the circulating water intake of refrigerant condenser, is provided with second circulating pump in the middle of the said hot water pipeline.
5. energy-conservation drying system according to claim 4 is characterized in that said hot water pipeline is provided with heater.
6. energy-conservation drying system according to claim 1; It is characterized in that; Said pumped vacuum systems comprises Venturi tube, first circulating pump; Said Venturi tube is connected with press filteration system through pipeline, and Venturi tube is connected with refrigerant evaporator through pipeline, on the pipeline between Venturi tube and the refrigerant evaporator, is provided with circulating pump.
7. energy-conservation drying system according to claim 1 is characterized in that said refrigerant condenser, refrigerant evaporator are provided with insulation jacket.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2012200186331U CN202501714U (en) | 2012-01-17 | 2012-01-17 | Energy-saving drying system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN2012200186331U CN202501714U (en) | 2012-01-17 | 2012-01-17 | Energy-saving drying system |
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CN202501714U true CN202501714U (en) | 2012-10-24 |
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CN2012200186331U Expired - Fee Related CN202501714U (en) | 2012-01-17 | 2012-01-17 | Energy-saving drying system |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102679693A (en) * | 2012-01-17 | 2012-09-19 | 惠东 | Energy-saving drying system |
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2012
- 2012-01-17 CN CN2012200186331U patent/CN202501714U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102679693A (en) * | 2012-01-17 | 2012-09-19 | 惠东 | Energy-saving drying system |
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Date | Code | Title | Description |
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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: 20121024 Termination date: 20150117 |
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EXPY | Termination of patent right or utility model |