CN109574452A - A kind of multi-functional wind light mutual complementing heat pump sludge dry system - Google Patents
A kind of multi-functional wind light mutual complementing heat pump sludge dry system Download PDFInfo
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- CN109574452A CN109574452A CN201811558780.6A CN201811558780A CN109574452A CN 109574452 A CN109574452 A CN 109574452A CN 201811558780 A CN201811558780 A CN 201811558780A CN 109574452 A CN109574452 A CN 109574452A
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- 239000010802 sludge Substances 0.000 title claims abstract description 91
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 129
- 238000001035 drying Methods 0.000 claims abstract description 118
- 238000010438 heat treatment Methods 0.000 claims abstract description 71
- 238000001816 cooling Methods 0.000 claims description 30
- 238000009825 accumulation Methods 0.000 claims description 23
- 238000004146 energy storage Methods 0.000 claims description 19
- 230000008676 import Effects 0.000 claims description 5
- 238000009423 ventilation Methods 0.000 description 19
- 239000003507 refrigerant Substances 0.000 description 11
- 125000004122 cyclic group Chemical group 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 5
- 239000001257 hydrogen Substances 0.000 description 5
- 238000005286 illumination Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 238000005338 heat storage Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009466 transformation Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000008236 heating water Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 244000000010 microbial pathogen Species 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/18—Treatment of sludge; Devices therefor by thermal conditioning
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/02—Heat pumps of the compression type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/08—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The present invention relates to a kind of multi-functional wind light mutual complementing heat pump sludge dry systems, including drying sludge unit, heat pump unit, air-cold-water heat exchanger and air-hot water heat exchanger, heat pump unit and drying sludge unit connect into circulation loop, air-cold-water heat exchanger, air-hot water heat exchanger and drying sludge unit connect into circulation loop, air-hot water heat exchanger is separately connected solar thermal collector and wind power heating device and is energized by them, each component connect with solenoid valve by pipeline and the triple valve in pipeline and forms the drying sludge subsystem of multiple and different operating modes, including heat pump drying subsystem, subsystem is dried in solar energy heating, wind power heating dries subsystem, wind light mutual complementing heats dry subsystem, wind light mutual complementing heating dry subsystem in parallel with heat pump.Compared with prior art, the present invention can switch between plurality of operating modes, realize the combination of different drying power, suitable for the fluctuation within the scope of the sludge larger capacity of different qualities.
Description
Technical field
The invention belongs to novel sludge drying mechanism technical fields, and in particular to a kind of multi-functional wind light mutual complementing heat pump sludge
Drying system.
Background technique
Sludge is the accessory after the sewage treatment of people's life and industrial production formation, the ingredient containing Various Complex.
If sludge is directly discharged to will cause serious pollution in environment without processing, the heavy metal contained in sludge, noxious material with
And pathogenic microorganism can pollute soil and groundwater, and the conductivity of soil improves in inorganic salts branch, destroys plant
Nutrient balance.Most of sludge requires the pollution that it is reduced by way of burning to environment.Sludge is sent to by enterprise
The processing cost of incineration plant is calculated according to weight, if can bring huge economic pressure to medium-sized and small enterprises without being dried
Power.
The drying efficiency how to improve, reducing the power consumption in the moisture content and drying process of sludge is all the time
Research emphasis.The most commonly used is solar air heat collection system and heat pump systems.Solar energy utilizes skill as a kind of clean energy resource
Art comparative maturity, the development of solar drying technology from the superficial to the deep, from by now perfect of simple lab scale originally
Experiment production process.In recent years, the development and utilization of solar energy are increasingly becoming the emphasis of research close to saturation, the exploitation of wind energy,
And solar thermal collection system, wind power heating system and heat pump system are combined using drying the technology of sludge also in playing a step
Section.
108164122 B of patent CN discloses a kind of solar energy drying device of sludge, which can be carried out dirt using the sun
Mud is dry.The device includes condenser, photovoltaic cell, air collector tube, phase-change thermal storage case, sludge drying chamber, separator, air
Adjuster, sifter and crushing room.Condenser in device assembles sunlight, and air collector tube absorption is assembled via condenser
Luminous energy is to heat air output thermal energy.Hot-air in air collector tube, which is sent through blower to sludge drying chamber, dries sludge, then
Respectively via air outlet slit and separator and air regulator, the air circulation of closed loop is formed back to air collector tube
Pipeline.The invention device system function is single, is only applicable to the good situation of solar irradiation condition, bad in solar irradiation condition
When, poor effect.
108558175 A of patent CN discloses a kind of heat pump sludge drying mechanism, which carries out sludge using heat pump and do
It is dry.The device of the drying system mainly includes compressor, evaporator, throttle valve, condenser, drier, the first blower and accumulation of heat
Device, using diffusion coefficient height, the capacity of heat transmission is strong, and the small hydrogen of mass and heat transfer resistance is as dried medium.Xeothermic hydrogen passes through dry
Become low temperature and high relative humidity hydrogen after dry device absorption moisture and enter evaporator, it is few to become water content after being cooled down in evaporator by working medium
Dry and cold hydrogen, drying system is discharged by pipeline in the condensed water to cool down.Dry and cold hydrogen enter condenser be heated to 40~
60 DEG C of xeothermic state is sent into cyclic drying in drier by blower.The invention device power consumption is big, and operating cost is higher, and
Drying sludge capacity is non-adjustable, leads to the treating capacity and sludge narrow application range of sludge.
To sum up, defect existing for existing regular solar and/or heat pump sludge dry system are as follows: (1) system function single,
If solar energy drying sludge is only applicable to the good situation of solar irradiation condition, when solar irradiation condition is bad, poor effect；?
When the general even no light of illumination condition, heat pump drying sludge can only be individually utilized, the power consumption of system is big, and operating cost is inclined
It is high；Combination system still can not carry out the adjusting of operational mode according to light conditions；(2) heat source is single, solar energy
Resource is uncontrollable, in actual design or in use, other heat sources must be cooperated as supplement；(3) drying sludge capacity can not
It adjusts, leads to mud handling capacity and sludge narrow application range, many sludge can have the case where fever and pyrolysis, cause on the market
The design value of some heat pump drying sludge units is less than normal, and unit is caused to be unable to run；Using Large-scale machine set again increase investment and
Operating cost.
Summary of the invention
The purpose of the present invention is to solve the above-mentioned problems and provides a kind of multi-functional wind light mutual complementing heat pump drying sludge
System can switch between plurality of operating modes, realize the combination of different drying power, suitable for different qualities sludge compared with
Fluctuation within the scope of large capacity.
The purpose of the present invention is achieved through the following technical solutions:
A kind of multi-functional wind light mutual complementing heat pump sludge dry system, including drying sludge unit, heat pump unit, air-are cold
Water- to-water heat exchanger air-hot water heat exchanger, the heat pump unit and drying sludge unit connect into circulation loop, the air-
Cold-water heat exchanger, air-hot water heat exchanger and drying sludge unit connect into circulation loop, the air-hot water heat exchanger
It is separately connected solar thermal collector and wind power heating device and is energized by them, each component is by pipeline and in pipeline
Triple valve connect with solenoid valve and forms the drying sludge subsystem of multiple and different operating modes, comprising:
It is connected by drying sludge unit, heat pump unit the heat pump drying subsystem formed；
It is connected and is formed by drying sludge unit, air-cold-water heat exchanger, air-hot water heat exchanger, solar thermal collector
The dry subsystem of solar energy heating；
It is connected and is formed by drying sludge unit, air-cold-water heat exchanger, air-hot water heat exchanger, wind power heating device
The dry subsystem of wind power heating；
The wind light mutual complementing heating formed by the dry subsystem of solar energy heating and the dry subsystem combined operating of wind power heating
Dry subsystem；
The wind light mutual complementing heating that is formed in parallel with heat pump drying subsystem of dry subsystem and heat pump are heated by wind light mutual complementing
The dry subsystem of parallel connection.
Further, the air-hot water heat exchanger is also connected with the phase-change accumulation energy tank for energy storage or energy supply, the phase
Become energy storage canister to connect to form energy storage heating drying with drying sludge unit, air-cold-water heat exchanger, air-hot water heat exchanger
Subsystem.
Further, the drying sludge unit includes drying box for placing wet mud and introduces hot-air dry
The blower of dry case.
Further, the heat pump unit includes the evaporator for being connected into circulation loop, condenser, throttle valve and compression
Machine.
Further, the air-cold-water heat exchanger connects cooling tower.
Further, it is set in the system there are four water pump, is respectively provided at the exit of cooling tower, solar thermal collector goes out
At mouthful, the exit in the exit of wind power heating device and phase-change accumulation energy tank.
Further, it is set in the system there are two triple valve and three solenoid valves, and opening by triple valve and solenoid valve
Close the switching that combination carries out operational mode, wherein the triple valve is respectively arranged on the exit of drying sludge unit, heat pump unit
With with air-hot water heat exchanger exit；The solenoid valve is respectively arranged on the connecting pipe of heat pump unit entrance, air-
In the connecting pipe and water pump of cold-water heat exchanger import and the connecting pipe of phase-change energy storage device.
The concrete operating principle of this system are as follows:
1, when illumination abundance, using the dry subsystem of solar energy heating.Dry sludge will be needed to put in a drying box, opened
The dry subsystem of solar energy heating is opened, the water pump of opens solenoid valve, the outlet of phase-change accumulation energy tank is in normally open.Utilize solar energy
Heat collector heats water supply, then hot water is passed through in air-hot water heat exchanger by water pump, and heating is passed through cold wind therein to drying
Set temperature.Hot wind after being heated later is entered in drying box by ventilation shaft by blower, and in drying box interior suction
The moisture in sludge is received, the warm wind of medium temperature high humidity is become；The warm wind of medium temperature high humidity is exported from air outlet to be entered via ventilation shaft
It is cooled down in air-cold-water heat exchanger and absorbs moisture.Air-cold-water heat exchanger cooling capacity is provided by cooling tower.Low temperature after bleed
The cold wind of low humidity enters in air-hot water heat exchanger the hot wind for being heated into high temperature low humidity by solar thermal collector subsystem again, according to
Secondary circulation.In cyclic process, if be more than setting upper limit value from the hot air temperature that air-hot water heat exchanger comes out, open
Solenoid valve, while by the aperture of control solenoid valve, by the heat storage of extra solar energy collector system in phase-change accumulation energy
In tank.
2, when not having illumination, different drying subsystems is selected according to wind-force series height.Specifically:
(1) when wind-force series is relatively low, using heat pump drying subsystem.Dry sludge will be needed to put in a drying box, opened
Heat pump drying subsystem is opened, solenoid valve is opened, cold air heating at the hot wind of dry set temperature, is passed through drying box by condenser
It is interior.The moisture of sludge, becomes the warm wind of medium temperature high humidity in hot wind absorption dehydration case, carries out in evaporator with low temperature refrigerant later
Heat exchange, becomes the cold wind of low temperature and low humidity and moisture is precipitated simultaneously, and the cold wind after bleed is passed through in condenser again to be heated, and carries out
Cyclic drying.
(2) when wind-force series is higher, using the dry subsystem of wind power heating.Dry sludge will be needed to be placed in drying box
It is interior, the dry subsystem of wind power heating is opened, solenoid valve is opened, the water pump of phase-change accumulation energy tank outlet is in normally open.Utilize wind
Power heating heating water supply, then hot water is passed through in air-hot water heat exchanger by water pump, heating is passed through cold wind therein to drying
Set temperature.Hot wind after being heated later is entered in drying box by ventilation shaft by blower, and in drying box interior suction
The moisture in sludge is received, the warm wind of medium temperature high humidity is become；The warm wind of medium temperature high humidity is exported from air outlet to be entered via ventilation shaft
It is cooled down in air-cold-water heat exchanger and absorbs moisture.Air-cold-water heat exchanger cooling capacity is provided by cooling tower.Low temperature after bleed
The cold wind of low humidity enters in air-hot water heat exchanger the hot wind for being heated into high temperature low humidity by wind-force heating subsystem again, successively
Circulation.In cyclic process, if be more than setting upper limit value from the hot air temperature that air-hot water heat exchanger comes out, electricity is opened
Magnet valve, while by the aperture of control solenoid valve, by the heat storage of extra wind power heating subsystem in phase-change accumulation energy tank.
3, unglazed gentle breeze and when enough phase-change accumulation energy tank energy storage, heats dry subsystem using energy storage.It will need drying
Sludge put in a drying box, open energy storage and heat dry subsystem, open solenoid valve.Water supply is heated using phase-change accumulation energy tank,
Hot water is passed through in air-hot water heat exchanger by water pump again, heating is passed through cold wind therein to dry set temperature.It
Hot wind after being heated afterwards is entered in drying box by ventilation shaft by blower, and the moisture in sludge is absorbed in drying box,
Become the warm wind of medium temperature high humidity；The warm wind of medium temperature high humidity is exported from air outlet enters air-cold-water heat exchanger via ventilation shaft
Middle cooling simultaneously absorbs moisture.Air-cold-water heat exchanger cooling capacity is provided by cooling tower.The cold wind of low temperature and low humidity enters sky after bleed
It is heated into the hot wind of high temperature low humidity in gas-hot water heat exchanger by energy storage subsystem again, circuits sequentially.
4, when honourable condition is inadequate or is in variable condition, can be joined as needed using solar energy heating and wind power heating
Dry subsystem is closed, i.e. wind light mutual complementing heats dry subsystem or wind light mutual complementing heating dry subsystem in parallel with heat pump.
System power is adjustable under the mode, the dry subsystem of solar energy heating and the dry subsystem combined operating of wind power heating
(wind light mutual complementing heats dry subsystem), heat pump drying subsystem and wind light mutual complementing heat dry subsystem and pass through parallel running all
Feasible system capacity is adjustable, specifically:
(1) when honourable condition is good, the dry subsystem of solar energy heating and the dry subsystem combined operating of wind power heating,
The single subsystem of the power ratio that system has runs Shi Yaogao, the dry subsystem of wind power heating and the dry subsystem of solar energy heating
Respectively according to respective design power and operational mode independent operating.
(2) when honourable condition is general, heat pump drying subsystem and wind light mutual complementing heat dry subsystem parallel running, this
When system total power it is maximum, and can be adjusted according to the amount of radiation parameter or sludge.
Wind light mutual complementing heats dry subsystem and heat pump drying subsystem for cold air heating at the hot wind of high temperature low humidity, by wind
Machine is passed through in drying box.The hot wind of height low humidity absorbs the moisture in sludge, becomes medium temperature high humidity after coming out out of drying box
Warm wind can adjust according to honourable condition enter the warm wind that wind light mutual complementing heats dry subsystem here, the warm wind warp of medium temperature high humidity
Entered in air-cold-water heat exchanger by ventilation shaft, be cooled and moisture is precipitated.Air-cold-water heat exchanger cooling capacity is by cooling down
Tower provides.The cold wind of low temperature and low humidity enters in air-hot water heat exchanger and is heated again after bleed, circuits sequentially.
The warm wind of another part medium temperature high humidity enters heat pump drying subsystem.In evaporator, the warm wind of medium temperature high humidity with
Low temperature liquid refrigerant carries out heat exchange and is cooled and moisture is precipitated, and enters in condenser after the cold wind of the low temperature and low humidity after bleed, with
The refrigerant of high temperature and pressure exchanges heat, and becomes the hot wind of high temperature low humidity, heats the height that dry subsystem comes out with from wind light mutual complementing
The hot wind of warm low humidity is mixed, and is circuited sequentially.
Compared with prior art, the invention has the following advantages that
The present invention is respectively arranged with electromagnetism on air-air hose of cold-water heat exchanger import and the air hose of evaporator
Valve adjusts the air capacity for entering air-cold-water heat exchanger and evaporator according to the difference of illumination condition, and guarantee goes out from condenser
The air themperature and air of mouth-hot water heat exchanger outlet temperature difference are little, while making the drying capacity of system adjustable；
Water pump and the connecting pipe of phase-change accumulation energy tank and the company of solar thermal collector and phase-change accumulation energy tank in the outlet of wind power heating device
A solenoid valve is shared on adapter tube road, environmental condition when running according to system adjusts the thermal energy for entering phase-change accumulation energy tank, both may be used
Meet and be heated to required temperature air-hot water heat exchanger air is entered, ensures that the saving of energy utilizes.It will too
Positive energy, wind energy, heat pump and drying sludge combine, and four can be mutually beneficial complementary, the common complementation for realizing heat source and the raising of performance,
The operational mode of system and the controllability of power are increased, the energy consumption of system is greatly reduced.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of multi-functional wind light mutual complementing heat pump sludge dry system；
Fig. 2-7 is the system schematic of different working modes；
In figure: 1- compressor；2- evaporator；3- condenser；4- throttle valve；5- drying box；6- blower；7- air-cold water
Heat exchanger；8- cooling tower；9- air-hot water heat exchanger；10- solar thermal collector；11- wind power heating device；12- phase transformation storage
It can tank；V1, V2- triple valve；S1, S2, S3- solenoid valve；B1, B2, B3, B4- water pump；P1- refrigerant pipe；P2- ventilation shaft；
P3- waterpipe.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1
Multi-functional wind light mutual complementing heat pump sludge dry system, structure is as shown in Figure 1, mainly include compressor 1, evaporator
2, condenser 3, throttle valve 4, drying box 5, blower 6, air-cold-water heat exchanger 7, cooling tower 8, air-hot water heat exchanger 9,
The components such as solar thermal collector 10, wind power heating device 11 and phase-change accumulation energy tank 12, there are also corresponding connecting pipe and control units
Part.
Wherein, compressor 1 is direct current compressor, is formed with evaporator 2, condenser 3, throttle valve 4 and refrigerant pipe P1 etc.
Heat pump unit；Solar thermal collector 10, air-cold-water heat exchanger 7, cooling tower 8, air-hot water heat exchanger 9, water pump
The components such as (B1, B2) waterpipe P2 and ventilation shaft P3 constitute solar energy heating subsystem；Wind power heating device 11, air-
The components such as cold-water heat exchanger 7, cooling tower 8, air-hot water heat exchanger 9, water pump (B1, B3), waterpipe P2 and ventilation shaft P3
Constitute wind power heating subsystem；Phase-change accumulation energy tank 12, air-cold-water heat exchanger 7, cooling tower 8, air-hot water heat exchanger
9, the components such as water pump (B1, B4) waterpipe P2 and ventilation shaft P3 constitute energy storage heating subsystem.Blower 6, drying box 7 and logical
The components such as air piping P3 constitute drying sludge unit.Blower 6 is connected with drying box 7, air-cold-water heat exchanger 7 and cooling tower
8 are connected by waterpipe P2, and the exit of air-cold-water heat exchanger 7 is connected by ventilation shaft P2 with air-hot water heat exchanger 9,
The import and export of solar thermal collector 10 is connected by waterpipe P3 all air-hot water heat exchangers 9.Wind power heating device 11 into
Exit is connected by waterpipe P3 all air-hot water heat exchangers 9.12 one end of phase-change accumulation energy tank respectively with water pump B2 and water pump B3
Outlet be connected, the other end is connected with the waterpipe P3 of solar water heater and wind power heating device import respectively；Phase transformation simultaneously
Energy storage canister 12 is directly connected with air-hot water heat exchanger 9 by water pump B4 and waterpipe P3.Evaporator 3 is with condenser 4 by divulging information
Pipeline P2 is connected directly.Compressor 1, evaporator 2, throttle valve 4, condenser 3 pass through refrigerant pipe P1 phase by refrigerant flow direction
Even.Air and refrigerant exchange heat in evaporator 3 and condenser 4.
It is provided with triple valve F2 in the outlet port of condenser 3,5 outlet port of drying box is provided with triple valve F1.It is steaming
The inlet for sending out device 2 is provided with solenoid valve S1, and the inlet of air-hot water heat exchanger 9 is provided with solenoid valve S2, and water pump B2 goes out
Solenoid valve S3 is provided on the waterpipe P3 that mouth is connected with phase-change accumulation energy tank 12, so that convenient adjust in fact said modules and flow
Existing real-time control.
When illumination abundance, using the dry subsystem of solar energy heating.Dry sludge will be needed to be placed in drying box 5,
The dry subsystem of solar energy heating is opened, as shown in Fig. 2, solenoid valve S2 and water pump (B1, B2) are opened, water pump B4 is in normally opened
State.Water supply is heated using solar thermal collector 10, then hot water is passed through in air-hot water heat exchanger 9 by water pump B2, is heated
Cold wind therein is passed through to dry set temperature.Hot wind after being heated later is entered by ventilation shaft P2 by blower 6
In drying box 5, and the moisture in drying box 5 in absorption sludge, become the warm wind of medium temperature high humidity；The warm wind of medium temperature high humidity is from out
Air port export enters in air-cold-water heat exchanger 7 via ventilation shaft P2 to be cooled down and absorbs moisture.Air-cold-water heat exchanger 7
Cooling capacity provided by cooling tower 8.The cold wind of low temperature and low humidity enters in air-hot water heat exchanger 9 again by solar energy heating after bleed
Device subsystem is heated into the hot wind of high temperature low humidity, circuits sequentially.In cyclic process, if come out from air-hot water heat exchanger 9
Hot air temperature be more than setting upper limit value when, opens solenoid valve S3, at the same by control solenoid valve S3 aperture, by it is extra too
The heat storage of positive energy collector subsystem is in phase-change accumulation energy tank 12.
Embodiment 2
The composition of multi-functional wind light mutual complementing heat pump sludge dry system introduces detailed in Example 1.When there is no light irradiation and wind
When power series is relatively low, dry sludge will be needed to be placed in drying box 5, open heat pump drying subsystem at this time, such as Fig. 3 is opened
Cold air heating at the hot wind of dry set temperature, is passed through in drying box 5 by solenoid valve S1, condenser 3.Hot wind absorption dehydration case
The moisture of sludge in 5, becomes the warm wind of medium temperature high humidity, exchanges heat in evaporator 2 with low temperature refrigerant later, it is low to become low temperature
Simultaneously moisture is precipitated simultaneously in wet cold wind, and the cold wind after bleed is passed through in condenser 3 again and is heated, and carries out cyclic drying.
Embodiment 3
The composition of multi-functional wind light mutual complementing heat pump sludge dry system introduces detailed in Example 1.When there is no light irradiation and wind
When power series is higher, using the dry subsystem of wind power heating.Dry sludge will be needed to be placed in drying box 5, open wind-force system
Heated drying subsystem, such as Fig. 4, open solenoid valve S2 and water pump (B1, B3), water pump B4 are in normally open.Utilize wind power heating
Water supply is heated, then hot water is passed through in air-hot water heat exchanger 9 by water pump B3, heating is passed through set by cold wind to drying therein
Fixed temperature.Hot wind after being heated later is entered in drying box 5 by ventilation shaft P2 by blower 6, and in 5 interior suction of drying box
The moisture in sludge is received, the warm wind of medium temperature high humidity is become；The warm wind of medium temperature high humidity from air outlet export via ventilation shaft P2 into
Enter and is cooled down in air-cold-water heat exchanger 7 and absorb moisture.The cooling capacity of air-cold-water heat exchanger 7 is provided by cooling tower 8.Bleed
The cold wind of low temperature and low humidity enters in air-hot water heat exchanger 9 heat for being heated into high temperature low humidity by wind power heating subsystem again afterwards
Wind circuits sequentially.In cyclic process, if the hot air temperature come out from air-hot water heat exchanger 9 is more than setting upper limit value
When, opens solenoid valve S3, while by the aperture of control solenoid valve S3, the heat storage of extra wind power heating subsystem is existed
In phase-change accumulation energy tank 12.
Embodiment 4
The composition of multi-functional wind light mutual complementing heat pump sludge dry system introduces detailed in Example 1.Unglazed gentle breeze and phase transformation storage
When energy 12 energy storage of tank is enough, dry subsystem is heated using energy storage.Dry sludge will be needed to be placed in drying box 5, opened
Energy storage heats dry subsystem, and such as Fig. 5 opens solenoid valve S2 and water pump (B1, B4).Water supply is heated using phase-change accumulation energy tank 12,
Hot water is passed through in air-hot water heat exchanger 9 by water pump B4 again, heating is passed through the cold wind therein temperature set to drying,
Hot wind after being heated later is entered in drying box 5 by ventilation shaft P2 by blower 6, and is absorbed in sludge in drying box 5
Moisture, become the warm wind of medium temperature high humidity；The warm wind of medium temperature high humidity is exported from air outlet enters air-via ventilation shaft P2
It is cooled down in cold-water heat exchanger 7 and absorbs moisture.The cooling capacity of air-cold-water heat exchanger 7 is provided by cooling tower 8.Low temperature is low after bleed
Wet cold wind enters in air-hot water heat exchanger 9 hot wind for being heated into high temperature low humidity by energy storage subsystem again, circuits sequentially.
Embodiment 5
The present embodiment is solar energy heating and wind power heating combined drying subsystem, and system power is adjustable under this mode.
When honourable condition is good, can by the dry subsystem of solar energy heating and the dry subsystem combined operating of wind power heating,
As wind light mutual complementing heats dry subsystem.Such as Fig. 6, system is bigger than the capacity that above-mentioned individual system is run at this time；The sun at this time
Heated drying subsystem and the dry subsystem of wind power heating can be collected respectively according to respective design power and operational mode independent operating.
When honourable condition is general, wind light mutual complementing heats dry subsystem and heat pump drying sludge subsystem is parallel running mould
Formula, such as Fig. 7, system total power reaches maximum value at this time, and can be adjusted according to the amount of radiation parameter or sludge.
Wind light mutual complementing heats dry subsystem and heat pump drying subsystem for cold air heating at the hot wind of high temperature low humidity, by wind
Machine 6 is passed through in drying box 5.The hot wind of high temperature low humidity absorbs the moisture in sludge, becomes medium temperature high humidity after coming out out of drying box 5
Warm wind, the warm wind for entering wind light mutual complementing and heating dry subsystem, the warm wind of medium temperature high humidity can be adjusted according to honourable condition here
Enter in air-cold-water heat exchanger 7 via ventilation shaft P2, be cooled and moisture, the cooling capacity of air-cold-water heat exchanger 7 is precipitated
It is provided by cooling tower 8.The cold wind of low temperature and low humidity enters in air-hot water heat exchanger 9 and is heated again after bleed, circuits sequentially.
The warm wind of another part medium temperature high humidity enters heat pump drying subsystem.In evaporator 2, the warm wind of medium temperature high humidity with
Low temperature liquid refrigerant carries out heat exchange and is cooled and moisture is precipitated, and enters in condenser 3 after the cold wind of the low temperature and low humidity after bleed, with
The refrigerant of high temperature and pressure exchanges heat, and becomes the hot wind of high temperature low humidity, heats the height that dry subsystem comes out with from wind light mutual complementing
The hot wind of warm low humidity is mixed, and is circuited sequentially.
The present invention is mainly the combination for being embodiment solar energy, wind energy, heat pump and drying sludge, and four in conjunction with after can be mutual
Sharp complementary, the common complementation for realizing heat source and the raising of performance increase the controllability of system power, reduce the power consumption of system
Amount, the present invention are mainly the theory that embodiment combines.Being established as of cooling tower provides cooling capacity under non-heat pump operating mode；Phase transformation
Setting up for energy storage canister is when drying subsystem or wind power heating drying subsystem independent operating for solar energy heating, and it is extra to store
Energy, dry subsystem is heated to carry out energy storage in the case where unglazed gentle breeze, to reduce the power consumption of drying system.Cause
This all small change (air-out mode, change as changed drying box being combined into core in wind light mutual complementing Analysis of Heat Pump Drying System
The arrangement of sludge, change drying box form, work Jie for changing mode, solar thermal collector that cooling capacity is provided in drying box
Matter changes compressor and the type of phase-change accumulation energy tank etc.) in the invention patent protection scope.
Claims (7)
1. a kind of multi-functional wind light mutual complementing heat pump sludge dry system, including drying sludge unit, heat pump unit, air-cold water
Heat exchanger (7) and air-hot water heat exchanger (9), the heat pump unit and drying sludge unit connect into circulation loop, described
Air-cold-water heat exchanger (7), air-hot water heat exchanger (9) and drying sludge unit connect into circulation loop, and feature exists
In the air-hot water heat exchanger (9) is separately connected solar thermal collector (10) and wind power heating device (11) and by them
Energy supply, each component connect with solenoid valve by pipeline and the triple valve in pipeline and form multiple and different operating modes
Drying sludge subsystem, comprising:
It is connected by drying sludge unit, heat pump unit the heat pump drying subsystem formed；
Even by drying sludge unit, air-cold-water heat exchanger (7), air-hot water heat exchanger (9), solar thermal collector (10)
Connect the dry subsystem of the solar energy heating to be formed；
Even by drying sludge unit, air-cold-water heat exchanger (7), air-hot water heat exchanger (9), wind power heating device (11)
Connect the dry subsystem of the wind power heating to be formed；
Drying is heated by the wind light mutual complementing that the dry subsystem of solar energy heating and the dry subsystem combined operating of wind power heating are formed
Subsystem；
It is in parallel with heat pump that the wind light mutual complementing heating that is formed in parallel with heat pump drying subsystem of dry subsystem is heated by wind light mutual complementing
Dry subsystem.
2. a kind of multi-functional wind light mutual complementing heat pump sludge dry system according to claim 1, which is characterized in that the sky
Gas-hot water heat exchanger (9) is also connected with the phase-change accumulation energy tank (12) for energy storage or energy supply, the phase-change accumulation energy tank (12) and dirt
Mud drying unit, air-cold-water heat exchanger (7), air-hot water heat exchanger (9) connection form energy storage and heat dry subsystem.
3. a kind of multi-functional wind light mutual complementing heat pump sludge dry system according to claim 1, which is characterized in that the dirt
Mud drying unit includes for placing the drying box of wet mud (5) and hot-air being introduced to the blower (6) of drying box (5).
4. a kind of multi-functional wind light mutual complementing heat pump sludge dry system according to claim 1, which is characterized in that the heat
Pump unit includes the evaporator (2) for being connected into circulation loop, condenser (3), throttle valve (4) and compressor (1).
5. a kind of multi-functional wind light mutual complementing heat pump sludge dry system according to claim 2, which is characterized in that the sky
Gas-cold-water heat exchanger (7) connects cooling tower (8).
6. a kind of multi-functional wind light mutual complementing heat pump sludge dry system according to claim 5, which is characterized in that the system
In set there are four water pump (B1, B2, B3, B4), be respectively provided at the exit of cooling tower (8), the outlet of solar thermal collector (10)
Locate, the exit in the exit of wind power heating device (11) and phase-change accumulation energy tank (12).
7. a kind of multi-functional wind light mutual complementing heat pump sludge dry system according to claim 6, which is characterized in that the system
In set there are two triple valve (F1, F2) and three solenoid valves (S1, S2, S3), and pass through the switch combination of triple valve and solenoid valve
The switching of operational mode is carried out,
Wherein, the triple valve (F1, F2) is respectively arranged on the exit of drying sludge unit, heat pump unit and and air-hot water
The exit of heat exchanger (9)；
The solenoid valve (S1, S2, S3) is respectively arranged on the connecting pipe (P2) of heat pump unit entrance, air-cold-water heat exchanger
(7) in the connecting pipe (P2) of import and the connecting pipe (P3) of water pump (B2) and phase-change energy storage device.
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| CN110526546A (en) * | 2019-09-27 | 2019-12-03 | 上海同臣环保有限公司 | Sludge drying device and sludge drying processing method |
| CN111207570A (en) * | 2020-03-31 | 2020-05-29 | 郑州轻工业大学 | Energy-saving heat pump drying system and control method thereof |
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| CN109574452B (en) | 2024-02-27 |
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