CN110094962A - A kind of combustion gas pump-type drying device - Google Patents

A kind of combustion gas pump-type drying device Download PDF

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Publication number
CN110094962A
CN110094962A CN201910101647.6A CN201910101647A CN110094962A CN 110094962 A CN110094962 A CN 110094962A CN 201910101647 A CN201910101647 A CN 201910101647A CN 110094962 A CN110094962 A CN 110094962A
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CN
China
Prior art keywords
solution
air
pump
regenerator
dehumidifier
Prior art date
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Granted
Application number
CN201910101647.6A
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Chinese (zh)
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CN110094962B (en
Inventor
许光映
王晋宝
薛大文
田美灵
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Zhejiang Ocean University ZJOU
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Zhejiang Ocean University ZJOU
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Priority to CN201910101647.6A priority Critical patent/CN110094962B/en
Publication of CN110094962A publication Critical patent/CN110094962A/en
Application granted granted Critical
Publication of CN110094962B publication Critical patent/CN110094962B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H4/00Fluid heaters characterised by the use of heat pumps
    • F24H4/06Air heaters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/001Drying-air generating units, e.g. movable, independent of drying enclosure
    • F26B21/002Drying-air generating units, e.g. movable, independent of drying enclosure heating the drying air indirectly, i.e. using a heat exchanger
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/02Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure
    • F26B21/04Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure partly outside the drying enclosure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/06Controlling, e.g. regulating, parameters of gas supply
    • F26B21/08Humidity
    • F26B21/086Humidity by condensing the moisture in the drying medium, which may be recycled, e.g. using a heat pump cycle

Abstract

The invention discloses a kind of combustion gas pump-type drying devices, dehumidifier, condenser and hothouse including being successively made up of circuit pipeline;Pipeline of the hothouse close to one end of condenser is air supply tube, and the pipeline that the other end is is air-exhausting duct and backwind tube;The port of air-exhausting duct is in communication with the outside for air draft, and middle section is connected to backwind tube, and backwind tube is equipped with outside air access port, and the dry air and outside air in backwind tube are mixed into dehumidifier.The device drives heat pump cycle using IC engine, and IC engine waste heat is utilized, and the variation of drying temperature wide scope, the defect for overcoming current heat pump drying temperature regulating range narrow may be implemented.

Description

A kind of combustion gas pump-type drying device
Technical field
The invention belongs to heat pump assembly technical field more particularly to a kind of combustion gas pump-type drying devices.
Technical background
Heat pump assembly has many advantages, such as energy conservation, safety and environmental protection.With people to energy conservation and environmental protection pay attention to day by day, Heat pump drying device is applied in the drying of the materials such as seed, timber or medicinal material.But common drying temperature is 50 DEG C or so, for unclassified stores such as fillet etc. if need higher temperature to be dried.
Heating method is usually again with steam heating, fuel Heating or multiple groups compressor heat pump drying.These conventional heat pumps Dry energy utilization rate is lower.Therefore, it is necessary to a kind of combustion gas heat pump drying devices with meet demand.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides combustion gas pump-type drying device, realize that wide scope temperature is dry simultaneously And the energy is made full use of, generate environmental benefit.
The technical solution of the present invention is as follows: a kind of combustion gas pump-type drying device, including successively constituting removing for circuit by pipeline Wet device, condenser and hothouse;Pipeline of the hothouse close to one end of the condenser is air supply tube, the pipe that the other end is Road is air-exhausting duct and backwind tube;The port of the air-exhausting duct is in communication with the outside for air draft, and middle section is connected to the backwind tube, The backwind tube is equipped with outside air access port, and the dry air and outside air in backwind tube are mixed into dehumidifier.
Further, the air supply tube is equipped with pressure fan;The exhaust pipe is equipped with exhaust blower.
It further, further include throttle valve, evaporator and compressor;The condenser successively with throttle valve, evaporator, Compressor connection forming circuit constitutes heat pump system.
It further, further include internal combustion engine and flue gas pump;One end of the internal combustion engine is connect with compressor, another End is connected with flue gas pump;The flue gas pump is equipped with the first flue gas discharge opening;The internal combustion engine and flue gas pump Between be equipped with the second flue gas discharge opening.
Further, the air supply tube is equipped with the branch that is used to adjust temperature arranged side by side with it, and the branch road is set There is after-heater;The after-heater flue gas pump connection forming circuit, circuit is equipped with water pump P 5
It further, further include heat exchanger, solution regenerator, high-temperature heat-exchanging and heat exchanger;The heat exchanger setting It is formed into a loop between the dehumidifier and solution regenerator, one end of the high-temperature heat-exchanging is connect with solution regenerator, separately One end is connect with internal combustion engine;One end of the heat exchanger is connect with the dehumidifier, and the other end is connect with the evaporator.
Further, dehumidification solution is equipped between the dehumidifier and heat exchanger to pump;The solution regenerator and high temperature Actified solution pump is equipped with before heat exchanger;Solution heat pump is equipped between the high temperature heater (HTH) and internal combustion engine;The heat exchanger Solution cooling pump is equipped between evaporator.
It further, further include regenerator spray head and dehumidifier spray head, the regenerator spray head and high-temperature heat-exchanging connect It connects and is set to solution regenerator inner upper;The dehumidifier spray head and heat exchanger two and and it is set to the inside of dehumidifier Top.
The utility model has the advantages that
A kind of combustion gas pump-type drying device of the invention, the advantage is that: firstly, evaporator will not frosting, can be used for Low ambient temperature is dry.Secondly, using tertiary treatment to air, realizes that drying temperature can be changed with wide scope, meet a variety of objects The drying demand of material.Finally, internal combustion engine uses natural gas, the off-gas recovery generated is utilized, and improves the rate rate of natural gas.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention;
Appended drawing reference:
F1- pressure fan, F2- exhaust blower, A1- outside air, P1- dehumidification solution pump, P2- actified solution pump, P3- solution add Heat pump, P4- solution cooling pump, A2- mixed once air, A3- primary drying air, A4- primary heating air, A5- bis- times plus Air, B2- return air is discharged in hot-air, bis- mixing airs of A6-, B1-, and 1- shunts air, 2- reheating air, 3- After-heater, 4- flue gas heater, 5- IC engine, 6- compressor, 7- condenser, 8- throttle valve, 9- evaporator, 10- cylinder sleeve Heat exchanger, 11- solution heater B, 12- solution regenerator, 13- regenerator spray head, 14- regenerator, 15- solution cooler, 16- dehumidifier spray head, 17- dehumidifier, 18- air supply tube, 19- air-exhausting duct, 20- backwind tube.
Specific embodiment:
In the following with reference to the drawings and specific embodiments, the present invention is furture elucidated, it should be understood that these embodiments are merely to illustrate It the present invention rather than limits the scope of the invention, after the present invention has been read, those skilled in the art are to of the invention each The modification of kind equivalent form falls within the application range as defined in the appended claims.
As shown in Figure 1.A kind of combustion gas pump-type drying device, the dehumidifier 17, cold including being successively made up of circuit pipeline Condenser 7 and hothouse;Pipeline of the hothouse close to one end of condenser is air supply tube 18, and the pipeline that the other end is is air-exhausting duct 19 With backwind tube 20;The port of air-exhausting duct 19 is in communication with the outside for air draft, and middle section is connected to backwind tube 20, on backwind tube 20 Equipped with outside air access port, dry air and outside air in backwind tube 20 are mixed into dehumidifier 17.On air supply tube 18 Equipped with pressure fan 1;Exhaust pipe 19 is equipped with exhaust blower B2.
It further include throttle valve 8, evaporator 9 and compressor 10;Condenser 7 successively with throttle valve 8, evaporator 9, compressor 10 connection forming circuits constitute heat pump system.
It further include internal combustion engine 5 and flue gas pump 4;One end of internal combustion engine 5 is connect with compressor 10, and the other end adds with flue gas Heat pump 4 connects;Flue gas pump 4 is equipped with the first flue gas discharge opening;The second cigarette is equipped between internal combustion engine 5 and flue gas pump 4 Gas outlet.
Air supply tube 18 is equipped with the branch that is used to adjust temperature arranged side by side with it, and branch road is equipped with after-heater 3;It is secondary 3 flue gas heater 4 of heater connection forming circuit, circuit is equipped with water pump P 5.
It further include regenerator 14, solution regenerator 12, solution heater 11 and solution cooler 15;The setting of regenerator 14 exists It is formed into a loop between dehumidifier and solution regenerator 12, one end of solution heater 11 is connect with solution regenerator 12, the other end It is connect with internal combustion engine;One end of solution cooler 15 is connect with dehumidifier 17, and the other end is connect with evaporator 9.
Solution pump P1 is equipped between dehumidifier 17 and regenerator 14;It is equipped with before solution regenerator 12 and solution heater 11 Solution pump P2;Solution pump P3 is equipped between solution heater 11 and internal combustion engine 5;It is equipped between solution cooler 15 and evaporator 9 Solution pump P4.
It further include regenerator spray head 12 and dehumidifier spray head 16, regenerator spray head 12 connect and is arranged with solution heater 11 In 12 inner upper of solution regenerator;Dehumidifier spray head 16 and solution cooler 15 and the inner upper for being set to dehumidifier 16.
The present apparatus includes that drying system, solution recycle system, heat pump system and smoke waste heat utilization system are constituted.
The operational process of drying system is as follows: 18 dry air of air supply tube is sent into hothouse by blower F1, and air draft is by air draft Machine F2 extraction, a part are discharged in outside air, and another part is mixed by 20 return air of backwind tube and outside air A1, warp After crossing dehumidifier 17, temperature is slightly increased, and becomes dry air A3, is heated by condenser 7, air becomes A4, according to drying Indoor required temperature, air A4 a part shunt, and another part air is heated by after-heater 3, are then mixed into A6, quilt Blower F1 sucking.
Wherein dehumidifier 17 is a part of solution recycle system, solution recycle system by dehumidifier 17, regenerator 12, change Hot device 14, heater 11, cooler 15, dehumidifying pump P1, actified solution pump P2 composition.Between solution cooler 15 and evaporator 9 By coolant pump P4 by solution pump P1 pump come concentrated solution cool down, then cold concentrated solution is sprayed onto dehumidifier 17 by spray head 16 In, the moisture for flowing through air therein is absorbed by solution, and solution concentration reduces, and temperature increases, and is discharged from lower part, into regenerator 14, weak solution cooling will be carried out to obtain from regenerator 12, while weak solution is heated by concentrated solution, subsequently into regenerator 11, solution pump Weak solution is pumped into solution heater 11 by P2, and P3 driving catalyst carrier water follows between cylinder jacket heating device 10 and solution heater 11 Ring is completed to heat weak solution, and the weak solution that then spray head 13 will heat up sprays into regenerator 12, and contained humidity is flowed in solution The air for crossing filler absorbs, and weak solution concentration reduces, and solution thickens, and then flows into regenerator 14, is re-used for mixing air Dehumidifying.
Heat pump system is made of compressor 6, condenser 7, throttle valve 8, evaporator 9, and compressor 6 is straight by combustion gas IC engine 5 Driving is connect, heat pump is directly to absorb heat from solution dehumidification heat release, indirectly further includes the cooling heat release heat of cylinder sleeve.Combustion gas and combustion gas Pipeline connection.
The course of work of smoke waste heat utilization system is: flue gas is expelled directly out by IC engine 5.Flue gas heater 4 gives heat-carrying Agent heating, catalyst carrier heat in auxiliary air heater 3 to air.
Evaporator will not frosting, it is dry to be suitable for low ambient temperature.Heat pump drying is usually that evaporator is used to absorb from environment Heat, and the technical program evaporator is cooling for dehumidification solution, is not in frosting.
Drying temperature can be changed with wide scope.This programme uses tertiary treatment to air, and level-one is dehumidifying technology, Air Temperature Degree increases, and humidity is reduced, but if adjusting evaporator temperature, then air can cool down in dehumidifier, and humidity can also be with Adjustment, it is main by adjusting pump variable frequency P4 revolving speed, adjust 15 cooling capacity of solution cooler.Then by heat pump condenser into The heating of one step, is heated finally by flue gas catalyst carrier, and flue gas heating this patent drives water in flue gas by water pump P 5 Recycled between device (4) and after-heater (3), water cooled flue gas process simultaneously recovered flue gas sensible heat and wherein vapor dive Heat.
The device drives heat pump cycle using IC engine, and IC engine waste heat is utilized, and it is wide that drying temperature may be implemented Range, the defect for overcoming current heat pump drying temperature regulating range narrow.

Claims (8)

1. a kind of combustion gas pump-type drying device, it is characterised in that: the dehumidifier (17), cold including being successively made up of circuit pipeline Condenser (7) and hothouse;Pipeline of the hothouse close to one end of the condenser is air supply tube (18), the pipeline of the other end For air-exhausting duct (19) and backwind tube (20);The port of the air-exhausting duct (19) is in communication with the outside for air draft, wherein air-exhausting duct with The connection of described backwind tube (20) one end, the other end is equipped with outside air access port on the backwind tube (20), in backwind tube (20) Dry air and outside air be mixed into dehumidifier (17).
2. combustion gas pump-type drying device according to claim 1, it is characterised in that: the air supply tube (18) is equipped with air-supply Machine (F1);The exhaust pipe (19) is equipped with exhaust blower (F2).
3. combustion gas pump-type drying device according to claim 1, it is characterised in that: further include throttle valve (8), evaporator (9) With compressor (6);The condenser (7) successively connect forming circuit with throttle valve (8), evaporator (9), compressor (6) and constitutes Heat pump system.
4. combustion gas pump-type drying device according to claim 3, it is characterised in that: further include that internal combustion engine (5) and flue gas add Hot device (4);One end of the internal combustion engine (5) is connect with compressor (6), and the other end is connect with flue gas heater (4);The flue gas Heater (4) is equipped with the first flue gas discharge opening;The second flue gas is equipped between the internal combustion engine (5) and flue gas pump (4) to arrange Outlet.
5. combustion gas pump-type drying device according to claim 4, it is characterised in that: the air supply tube (18) is equipped with and it The branch for being used to adjust temperature arranged side by side, the branch road are equipped with after-heater (3);The after-heater (3) and flue gas Heat pump (4) connection forming circuit, circuit is equipped with water pump P 5.
6. combustion gas pump-type drying system according to claim 4, it is characterised in that: further include regenerator (14), solution again Raw device (12), solution heater (11) and solution cooler (15);The regenerator (14) is arranged in the dehumidifier and solution Regenerator is formed into a loop between (12), and one end of the solution heater (11) is connect with solution regenerator (12), the other end with Internal combustion engine connection;One end of the solution cooler (15) is connect with the dehumidifier (17), the other end and the evaporator (9) Connection.
7. combustion gas pump-type drying system according to claim 6, it is characterised in that: the dehumidifier (17) and regenerator (14) solution pump (P1) is equipped between;Solution pump (P2) is equipped with before the solution regenerator (12) and high-temperature heat-exchanging (11); Water pump (P3) is equipped between the solution heater (11) and internal combustion engine (5);The solution cooler (15) and evaporator (9) it Between be equipped with solution pump (P4).
8. combustion gas pump drying system according to claim 6, it is characterised in that: further include regenerator spray head (13) and dehumidifying Device spray head (16), the regenerator spray head (13) connect with solution heater (11) and are set on solution regenerator (12) inside Side;The dehumidifier spray head (16) connect with solution cooler (15) and is set to the inner upper of dehumidifier (16).
CN201910101647.6A 2019-01-30 2019-01-30 Gas pump type drying device Active CN110094962B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN110094962B CN110094962B (en) 2024-04-12

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111043793A (en) * 2019-12-17 2020-04-21 上海理工大学 Double fresh air and double exhaust multifunctional swimming pool heat pump air conditioning unit
CN112268449A (en) * 2020-09-30 2021-01-26 山东省食品发酵工业研究设计院 Gas engine air source heat pump unit, drying device, drying system and method
CN113154867A (en) * 2021-05-08 2021-07-23 江苏方天电力技术有限公司 Humiture divides accuse gas heat pump drying system

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CN104214873A (en) * 2014-09-24 2014-12-17 东南大学 Thermal pump driving solution dehumidifying device and method based on graded utilization of condensation heat
CN105783485A (en) * 2016-04-12 2016-07-20 南京师范大学 Driving heat pump driving device of internal combustion engine
CN205402992U (en) * 2016-03-11 2016-07-27 华南理工大学 Gas heat pump driven hollow fiber membrane liquid dehydrating unit
CN206669934U (en) * 2017-03-10 2017-11-24 郑州云宇新能源技术有限公司 A kind of solar energy dehydrating unit
CN107477909A (en) * 2017-09-12 2017-12-15 浙江海洋大学 A kind of heat pump solution dehumidification type fabric drying machine
CN209910354U (en) * 2019-01-30 2020-01-07 浙江海洋大学 Gas pump type drying device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102278207A (en) * 2010-06-13 2011-12-14 中国科学院工程热物理研究所 Solution dehumidification based inlet gas cooling method for gas turbine
CN102788493A (en) * 2012-08-30 2012-11-21 华北电力大学(保定) Heat pump drier driven by gas engine
CN203642340U (en) * 2013-10-18 2014-06-11 合肥铜冠国轩铜材有限公司 Lithium chloride dehumidification device
CN203928667U (en) * 2014-06-06 2014-11-05 浙江海洋学院 A kind of device of cold air drying marine product
CN104214873A (en) * 2014-09-24 2014-12-17 东南大学 Thermal pump driving solution dehumidifying device and method based on graded utilization of condensation heat
CN205402992U (en) * 2016-03-11 2016-07-27 华南理工大学 Gas heat pump driven hollow fiber membrane liquid dehydrating unit
CN105783485A (en) * 2016-04-12 2016-07-20 南京师范大学 Driving heat pump driving device of internal combustion engine
CN206669934U (en) * 2017-03-10 2017-11-24 郑州云宇新能源技术有限公司 A kind of solar energy dehydrating unit
CN107477909A (en) * 2017-09-12 2017-12-15 浙江海洋大学 A kind of heat pump solution dehumidification type fabric drying machine
CN209910354U (en) * 2019-01-30 2020-01-07 浙江海洋大学 Gas pump type drying device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111043793A (en) * 2019-12-17 2020-04-21 上海理工大学 Double fresh air and double exhaust multifunctional swimming pool heat pump air conditioning unit
CN111043793B (en) * 2019-12-17 2021-07-13 上海理工大学 Double fresh air and double exhaust multifunctional swimming pool heat pump air conditioning unit
CN112268449A (en) * 2020-09-30 2021-01-26 山东省食品发酵工业研究设计院 Gas engine air source heat pump unit, drying device, drying system and method
CN113154867A (en) * 2021-05-08 2021-07-23 江苏方天电力技术有限公司 Humiture divides accuse gas heat pump drying system

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