CN109534652A - A kind of multifunctional solar heat pump sludge dry system - Google Patents
A kind of multifunctional solar heat pump sludge dry system Download PDFInfo
- Publication number
- CN109534652A CN109534652A CN201811495585.3A CN201811495585A CN109534652A CN 109534652 A CN109534652 A CN 109534652A CN 201811495585 A CN201811495585 A CN 201811495585A CN 109534652 A CN109534652 A CN 109534652A
- Authority
- CN
- China
- Prior art keywords
- air
- heat pump
- drying
- sludge
- solar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000010802 sludge Substances 0.000 title claims abstract description 85
- 238000001035 drying Methods 0.000 claims abstract description 116
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000000463 material Substances 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 10
- 239000011521 glass Substances 0.000 claims description 6
- 239000006096 absorbing agent Substances 0.000 claims description 4
- 238000001704 evaporation Methods 0.000 claims description 2
- 230000008020 evaporation Effects 0.000 claims description 2
- 230000008676 import Effects 0.000 claims 1
- 230000005855 radiation Effects 0.000 abstract description 6
- 238000009423 ventilation Methods 0.000 description 16
- 239000003507 refrigerant Substances 0.000 description 13
- 238000005286 illumination Methods 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 7
- 239000010865 sewage Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000003303 reheating Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 241001347978 Major minor Species 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 244000000010 microbial pathogen Species 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 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
-
- 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
- F25B13/00—Compression machines, plants or systems, with reversible cycle
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (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 multifunctional solar heat pump sludge dry systems, including drying sludge unit, solar energy air heat collector (5), air-water heat exchanger (9), evaporator (3) and condenser (4), each component connect with solenoid valve and is formed the drying sludge subsystem of multiple and different operating modes by pipeline and the triple valve in pipeline, including the dry subsystem of solar air heat collection, heat pump drying subsystem, solar air heat collection connect with heat pump and dry subsystem and solar air heat collection drying subsystem in parallel with heat pump.Compared with prior art, the present invention can switch between three kinds of operational modes according to radiation parameter, realize the combination of different drying power, fluctuate suitable for the sludge of different qualities and large range of sludge quantity.
Description
Technical field
The invention belongs to novel sludge drying mechanism technical fields, and in particular to a kind of multifunctional solar heat pump sludge is dry
Drying system.
Background technique
People's lives and industrial production are the main sources that sewage generates.Dirt can be generated during sewage treatment
Mud.According to statistics, China's town domestic sewage discharge amount in 2015 is 54,500,000,000 tons, the 71.4% of Zhan Quannian total amount of sewage discharge, and
And increase every year with 6% speed.Sludge is the accessory after sewage treatment, is one kind by organic debris, microorganism, nothing
Machine particle, the extremely complex heterogeneous body of the compositions such as colloid.It can be to soil if sludge is directly discharged in environment without processing
Earth environment causes seriously to pollute, and the toxic organic compound and pathogenic microorganism contained in sludge can cause dirt to soil and groundwater
Dye, and the conductivity of soil improves in inorganic salts branch, destroys the nutrient balance of plant, heavy metal will also result in dirt in sludge
Dye.Most of sludge requires the pollution that it is reduced by way of burning to environment.Sludge is sent to incineration plant by enterprise
Processing cost calculated according to weight, if without be dried huge economic pressures can be brought to medium-sized and small enterprises.
The drying efficiency how to improve, the moisture content for reducing sludge is all research emphasis all the time.The most commonly used is the sun
It can air heat-collecting system and heat pump system.Solar energy utilizes technology comparative maturity, solar energy as a kind of clean energy resource
Air heat-collecting system is combined with heat pump system using gradually development is used to dry sludge.
Patent CN108046565B discloses a kind of sludge drying mechanism, which can be carried out drying sludge using the sun.
The device includes cabinet, agitating device, loop heating system, solar heater, control cabinet and feeding device.The device ether
Positive energy heater is core, is connected with circulating-heating pump, agitating device is arranged in box house, to increase the drying of sludge
Effect.Heating plate in solar heater is connected with water tank, and the coolant-temperature gage of entrance is heated to 55-60 by solar heater
Between DEG C, for heating the intracorporal sludge of case being evacuated, water in sludge is in 55 degree of explosive evaporations, by evacuation holes by water
Steam is extracted out, after drying sludge, dry sludge is exported to designated position, drying sludge next time is then carried out.
The invention device system function is single, is only applicable to the good situation of solar irradiation condition, when solar irradiation condition is bad, effect
It is very poor.
Patent CN104129896B discloses a kind of sludge heat pump drying device, which carries out sludge using heat pump and do
It is dry.Carrying belt is set in the drying box of the device, and is provided with the power device of driving carrying belt operation in the case.Heat pump is made
For heating device, it is provided with blower, compressor, major-minor condenser, evaporator, expansion valve.The device is in the outlet of drying box
Position is provided with deduster and burner, has also installed intelligence control system additional.The damp-heat air come out from drying box is by removing
Dirt device and fan action remove the dust of its entrainment, then into evaporator with heat pump.Damp-heat air passes through evaporator with heat pump
Afterwards, it is passed through in main heat pump condenser after being cooled into cold dry air, condensed water is discharged by the drainpipe of evaporator with heat pump.In master
In heat pump condenser, heat cold dry air, cold dry air made to be heated as hot dry air, into drying box in carry out circulation dry
It is dry.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 dirt of sludge
Mud narrow application range.
Patent CN100559103C discloses a kind of drying device of moist material, including a drying machine and heat pump, dry
Equipped with Multi-layer belt type transmission device, air duct and the disengaging air duct for connecting heat pump in machine, the feed inlet of drying machine is equipped with damp mass
Expect feed arrangement, discharge port output dried material, it is equipped with solar energy air heat collector, and auxilairy air intake is equipped on heat pump；
Solar energy air heat collector be equipped with blower, gas outlet respectively by set valvular pipeline and heat pump auxilairy air intake,
Air inlet duct between drying machine and heat pump is connected, and air inlet is respectively by setting between valvular pipeline and drying machine and heat pump
Exhaust passage, it is extraneous be connected, which is utilized solar energy and heat pump simultaneously, but still can not be transported according to light conditions
The adjusting of row mode.
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；And
Individual heat pump drying sludge power consumption is big, and O&M cost is higher, the system of the two combination still can not according to light conditions come
Carry out the adjusting of operational mode；(2) drying sludge capacity is non-adjustable, leads to mud handling capacity and sludge narrow application range, very much
Sludge can have the case where fever and pyrolysis, cause the design value of existing heat pump drying sludge unit on the market less than normal, cause
Unit is unable to run；Increase investment and operating cost again using Large-scale machine set.
Summary of the invention
The purpose of the present invention is to solve the above-mentioned problems and provides a kind of multifunctional solar heat pump drying sludge system
System.
The purpose of the present invention is achieved through the following technical solutions:
A kind of multifunctional solar heat pump sludge dry system, including drying sludge unit, solar energy air heat collector, sky
Air-water heat exchanger, evaporator and condenser, each component connect shape with solenoid valve by pipeline and the triple valve in pipeline
At the drying sludge subsystem of multiple and different operating modes, comprising:
It is connected the solar air heat collection formed by drying sludge unit, air-water heat exchanger, solar energy air heat collector
Dry subsystem；
It is connected by drying sludge unit, evaporator, condenser the heat pump drying subsystem formed；
It is connected the solar air heat collection formed by drying sludge unit, evaporator, solar energy air heat collector, condenser
It connects with heat pump and dries subsystem；
By the dry subsystem solar air heat collection that is formed in parallel with heat pump drying subsystem of solar air heat collection and
Subsystem is dried in heat pump parallel connection.
Further, the drying sludge unit includes drying box for placing wet mud and introduces hot-air dry
The blower of dry case.
Further, the drying box includes the cabinet equipped with air inlet and air outlet, and material plate is arranged in the cabinet.
Further, homogenating plate being set in air inlet in the cabinet, homogenating plate keeps air flowing in drying box uniform,
It ensure that sludge can be arranged by uniform drying, the homogenating plate far from material plate, to prevent there is the mud granule obstruction after drying
Air uniform plate.
Further, the air inlet and air outlet quantity are multiple.
Further, the solar energy air heat collector connects cooling tower.
Further, the solar energy air heat collector set gradually from top to bottom glass cover-plate, selective heat-absorbing plate and
Insulating layer, the inlet and outlet of air can be in the same side or two sides in the solar energy air heat collector.
Further, fin, air flowing side in solar energy air heat collector are housed in the selective heat-absorbing plate surface
To being parallel to fin.
Further, between the evaporator and condenser be equipped with compressor and expansion valve, the evaporator, condenser,
Compressor and expansion valve form heat pump unit.
Further, it is set in the system there are four triple valve and two 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 at the entrance of solar energy air heat collector, is cold
The exit of condenser and the inlet of air-water heat exchanger；The solenoid valve is respectively arranged on the company of air-water heat exchanger outlet
In the connecting pipe of adapter tube road and evaporator.
The concrete operating principle of this system are as follows:
1, when illumination abundance, using the dry subsystem of solar air heat collection, the dry subsystem of solar air heat collection is opened
System opens triple valve and solenoid valve, and dry sludge will be needed to be laid on the material frame of drying box.When device is opened, lead to
The fresh air entered in device is passed through solar energy air heat collector, constantly heats up after absorbing solar radiation, and reaching, drying is required
When temperature, entered in drying box by ventilation shaft by blower, is uniformly flowed in Sludge Surface by air uniform plate, by air outlet
Export, enters in air-water heat exchanger, the air that the water in cooling tower enters air-water heat exchanger and medium temperature high humidity is changed from ventilation shaft
Sweat goes out moisture, and the air of low temperature and low humidity enters the hot-air that solar energy air heat collector is heated to form high temperature low humidity, is re-fed into
Dry sludge in drying box.
2, when there is no illumination, using heat pump drying subsystem, heat pump drying subsystem is opened, opens solenoid valve and threeway
Valve, closes the dry subsystem of solar air heat collection, and sludge puts in a drying box and by after in fresh air access equipment, device
Fresh air is heated into the air of high temperature low humidity, is passed through in drying box by starting, heat pump drying subsystem.From being come out in drying box
The air of warm high humidity, into heat pump drying subsystem, in evaporator, air exchanges heat with low-pressure liquid refrigerant, becomes low
The air of warm low humidity, is passed through in condenser, exchanges heat with the refrigerant steam of high temperature and pressure, becomes the air of high temperature low humidity, by
Blower is passed through drying box, carries out cyclic drying.
3, there is illumination but illumination is inadequate or when in variable condition, it can be as needed using solar air heat collection and heat
The dry subsystem of series connection of pumps or solar air heat collection dry subsystem in parallel with heat pump.
System power is adjustable under the mode, and heat pump drying subsystem and solar energy heating subsystem are realized by series and parallel
Capacity is adjustable, specifically:
It, can be by heat pump drying subsystem and the simultaneously through transport simultaneously of the dry subsystem of solar air heat collection when sun condition is good
Row, system has maximum drying capacity at this time, and heat pump drying subsystem and the dry subsystem of solar air heat collection are pressed respectively
According to respective design power and operational mode independent operating.
When sun condition is general, heat pump drying subsystem and the dry subsystem series operation of solar air heat collection are
General power of uniting therebetween, and can be adjusted according to the amount of radiation parameter or sludge.
Fresh air is heated into high temperature air with heat pump drying subsystem by the dry subsystem of solar air heat collection, is passed through drying
In case.The air of the medium temperature high humidity come out out of drying box adjusts according to illumination condition and enters the dry son of solar air heat collection
The air of system, air enter in air-water heat exchanger via ventilation shaft, and the water in cooling tower enters air-water heat exchanger and medium temperature
Moisture is precipitated in the air heat-exchange of high humidity, and the air of low temperature and low humidity enters solar energy air heat collector 5 and is heated to form high temperature low humidity
Hot-air；
Another part enters heat pump drying subsystem, and in evaporator, air exchanges heat with low-pressure liquid refrigerant, becomes
The air of low temperature and low humidity, the air of part low temperature and low humidity is sent into solar energy air heat collector by ventilation shaft and is heated, laggard
Enter in condenser, complete reheating, exchange heat with the refrigerant steam of high temperature and pressure, become the air of high temperature low humidity, with from
The air for the high temperature low humidity that the dry subsystem of solar air heat collection comes out is mixed, and is passed through drying box by blower, is followed
Ring is dry.
Compared with prior art, the invention has the following advantages that
1, the present invention is respectively arranged with electromagnetism on the air hose of air-water heat exchanger outlet and the air hose of evaporator
Valve adjusts the air capacity for entering solar thermal collector and evaporator according to the difference of illumination condition, guarantees from condensator outlet
Air themperature and the temperature difference that heat collector exports are little, and by solar energy, heat pump in conjunction with drying sludge, three can be mutually beneficial mutual
It mends, the common raising for realizing performance increases the controllability of system power, reduces the energy consumption of system.
2, fin is arranged on the selective heat-absorbing plate of solar energy air heat collector in the present invention, and air is along fin arrangement
Direction is passed through heat collector, strengthens the heat transfer effect of air.
3, air uniform plate is set in drying box, and air flowing is uniform in case, ensure that sludge can be dried uniformly.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of multifunctional solar heat pump sludge dry system；
Fig. 2 is the structural schematic diagram of solar energy air heat collector；
Fig. 3 is the structural schematic diagram of drying box；
Fig. 4-7 is the system schematic of different working modes；
In figure: 1- compressor；2- expansion valve；3- evaporator；4- condenser；5- solar energy air heat collector；6- blower；7-
Drying box；8- cooling tower；9- air-water heat exchanger；10- fin；11- glass cover-plate；12- selective heat-absorbing plate；13- heat preservation
Layer；14- air outlet；15- material plate；16- air inlet；17- air uniform plate；V1, V2, V3, V4- triple valve；S1, S2- solenoid valve；
H1- refrigerant pipe；H2- waterpipe；H3- ventilation shaft.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1
Multifunctional solar heat pump sludge dry system, structure as shown in Figure 1, mainly include compressor 1, expansion valve 2,
The groups such as evaporator 3, condenser 4, solar energy air heat collector 5, blower 6, drying box 7, cooling tower 8 and air-water heat exchanger 9
Part, there are also corresponding connecting pipe and control units.
Wherein, compressor 1 is direct current compressor, is formed with expansion valve 2, evaporator 3, condenser 4 and refrigerant pipe h1 etc.
Heat pump unit；Solar energy/air energy heat collector 5, cooling tower 8, air-water heat exchanger 9, waterpipe h2 and ventilation shaft h3
Equal components constitute solar air heat collection subsystem；It is dry that the components such as blower 6, drying box 7 and ventilation shaft h3 constitute sludge
Dry unit.Blower 6 is connected with drying box 7, and air-water heat exchanger 9 is connected with cooling tower 8 by waterpipe h2, air-water heat exchanger
9 exit is connected by ventilation shaft h3 with solar energy air heat collector 5, and the exit of solar energy air heat collector 5 is by divulging information
Pipeline h3 is connected with blower 6.Evaporator 3 is connected directly with condenser 4 by ventilation shaft h3, evaporator 3, solar air heat collection
Device 5, condenser 4 are connected by ventilation shaft h3, and air is promoted to carry out reheating.Evaporator 3, compressor 1, condenser 4 are swollen
Swollen valve 2 is connected by refrigerant flow direction by refrigerant pipe h1.Air and refrigerant are changed in evaporator 3 and condenser 4
Heat.
It is provided with triple valve V1 in the outlet port of condenser 4, in solar energy air heat collector 5 and evaporator 3 and condensation
Triple valve V3 and triple valve V2 is provided in the circulating ventilation pipeline h3 of device 4, the exit of solar energy air heat collector 5 is provided with
The inlet of triple valve V2, air-water heat exchanger 9 are provided with triple valve V4, air-water heat exchanger 9 and 5 phase of solar thermal collector
Solenoid valve S2 is provided on ventilation shaft h3 even, the inlet of evaporator 3 is provided with solenoid valve S1, thus convenient to above-mentioned group
Part and flow, which are adjusted, realizes real-time control.
The structure of solar energy air heat collector 5, as shown in Fig. 2, by the glass cover-plate 11 set gradually from top to bottom, selection
Property absorber plate 12, fin 10, insulating layer 13 form.The flow direction of air along fin direction.The structure of drying box 7 is as schemed
Shown in 3, air inlet 16, air uniform plate 17, material plate 15, air outlet 14 are set from left to right.Material frame 15 should be far from air uniform plate 17
It places, to prevent there is the mud granule after drying to block air uniform plate 17.
As shown in figure 4, opening the dry subsystem of solar air heat collection at this time when illumination abundance, closing heat pump drying
Subsystem opens triple valve V1~V4 and solenoid valve S2.The material frame 15 that dry sludge will be needed to be laid in drying box 7
On.When device is opened, the fresh air being passed through in system is passed through solar energy air heat collector 5, constantly heats up after absorbing solar radiation,
When reaching dry required temperature, entered in drying box 7 by ventilation shaft h3 by blower 6, it is uniform by air uniform plate 17
It is flowed in Sludge Surface, is exported by air outlet 14, entered in air-water heat exchanger 9 from ventilation shaft h3, the water in cooling tower 8
Moisture is precipitated into the air heat-exchange of air-water heat exchanger 9 and medium temperature high humidity, the air of low temperature and low humidity enters solar air collection
Hot device 5 is heated to form the hot-air of high temperature low humidity, and the dry sludge in being sent into drying box 7, this is solar energy drying sludge mode.
Embodiment 2
The composition of multifunctional solar heat pump sludge dry system introduces detailed in Example 1.When there is no light irradiation, it opens at this time
Heat pump drying subsystem, such as Fig. 5 are opened, solenoid valve S1 and triple valve V1 is opened, closes the dry subsystem of solar air heat collection.It is dirty
Mud is placed in drying box 7 and by after in fresh air access equipment, and fresh air is heated into height by system starting, heat pump drying subsystem
The air of warm low humidity is passed through in drying box 7.The air of the medium temperature high humidity come out out of drying box 7, into heat pump drying subsystem
System, in evaporator 3, air exchanges heat with low-pressure liquid refrigerant, becomes the air of low temperature and low humidity, is passed through in condenser 4, with
The refrigerant steam of high temperature and pressure exchanges heat, and becomes the air of high temperature low humidity, is passed through drying box 7 by blower 6, and it is dry to carry out circulation
Dry, this is heat pump drying sludge mode.
Embodiment 3
The composition of multifunctional solar heat pump sludge dry system introduces detailed in Example 1.
The present embodiment is heat pump drying subsystem and solar energy heating subsystem passes through series and parallel, system function under this mode
Rate is adjustable.
It, can be by heat pump drying subsystem and the simultaneously through transport simultaneously of the dry subsystem of solar air heat collection when sun condition is good
Row, such as Fig. 6, system has maximum drying capacity at this time；Heat pump drying subsystem and the dry son of solar air heat collection at this time
System is respectively according to respective design power and operational mode independent operating.When sun condition is general, solar energy drying sludge and
Heat pump drying sludge is series operation mode, such as Fig. 7, system total power therebetween, and can according to radiation parameter or
It is that the amount of sludge is adjusted.
When illumination is inadequate, all solenoid valves and triple valve are opened simultaneously at this time.Sludge is placed in drying box 7 and will
After in fresh air access equipment, system starting, the dry subsystem of solar air heat collection adds fresh air with heat pump drying subsystem
Heat is passed through in drying box 7 at high temperature air.Out of drying box 7 come out medium temperature high humidity air, according to illumination condition adjust into
Enter the air of the dry subsystem of solar air heat collection, air enters in air-water heat exchanger 9 via ventilation shaft h3, cooling
Water in tower 8 enters air-water heat exchanger 9 and moisture is precipitated in the air heat-exchange of medium temperature high humidity, and the air of low temperature and low humidity enters too
Positive energy air collector 5 is heated to form the hot-air of high temperature low humidity；Another part enters heat pump drying subsystem, in evaporator 3
Interior, air exchanges heat with low-pressure liquid refrigerant, becomes the air of low temperature and low humidity, the air of part low temperature and low humidity is by ventilation shaft
H3 is sent into solar energy air heat collector 5 and is heated, and enters in condenser 4 afterwards, completes reheating, the refrigerant with high temperature and pressure
Steam exchanges heat, and becomes the air of high temperature low humidity, with the high temperature low humidity from the dry subsystem of solar air heat collection out
Air is mixed, and is passed through drying box 7 by blower 6, is carried out cyclic drying.
In solar energy air heat collector 5, fin 10 is provided on selective heat-absorbing plate, for reinforcing diabatic process,
Solar radiation is shone first on glass cover-plate 11, after glass cover-plate 11 and intermediate air layer, by selective absorber plate 12
It is absorbed, is converted to thermal energy storage in selective heat-absorbing plate 12, the air of low temperature and low humidity is from air inlet along the side of fin 10
Make to entering solar energy air heat collector 5, when flowing through selective heat-absorbing plate 12, heat in absorption selectivity absorber plate 12
Temperature increases.
The present invention is mainly the combination for being embodiment solar energy, heat pump and drying sludge, and the three in conjunction with after can be mutually beneficial mutual
It mends, the performance realized jointly improves, and increases the controllability of system power, reduces the energy consumption of system, and the present invention mainly embodies
The theory of triplicity.Setting up for cooling tower is for the auxiliary heat-exchanging equipment in solar energy system.Therefore all dry in sludge
Dry-solar energy heat pump system is combined into the small change in core (as changed the air-out mode of drying box, changing sludge in drying box
Arrangement, change drying box form, change compressor or the type of solar energy air heat collector etc.) it is of the invention specially
In sharp protection scope.
Claims (10)
1. a kind of multifunctional solar heat pump sludge dry system, including drying sludge unit, solar energy air heat collector (5),
Air-water heat exchanger (9), evaporator (3) and condenser (4), which is characterized in that each component is by pipeline and is set in pipeline
Triple valve connect with solenoid valve and form the drying sludge subsystem of multiple and different operating modes, comprising:
The solar air collection formed by drying sludge unit, air-water heat exchanger (9), solar energy air heat collector (5) series connection
Heated drying subsystem；
The heat pump drying subsystem formed by drying sludge unit, evaporator (3), condenser (4) series connection；
The solar energy formed by drying sludge unit, evaporator (3), solar energy air heat collector (5), condenser (4) series connection is empty
Gas thermal-arrest is connected with heat pump dries subsystem；
By the dry subsystem solar air heat collection and heat pump that are formed in parallel with heat pump drying subsystem of solar air heat collection
The dry subsystem of parallel connection.
2. a kind of multifunctional solar heat pump sludge dry system according to claim 1, which is characterized in that the sludge
Drying unit includes for placing the drying box of wet mud (7) and hot-air being introduced to the blower (6) of drying box (7).
3. a kind of multifunctional solar heat pump sludge dry system according to claim 2, which is characterized in that the drying
Case (7) includes the cabinet equipped with air inlet (16) and air outlet (14), and material plate (15) are arranged in the cabinet.
4. a kind of multifunctional solar heat pump sludge dry system according to claim 3, which is characterized in that the cabinet
Homogenating plate (17) are set at inherent air inlet (16), the homogenating plate (17) is arranged far from material plate (15).
5. a kind of multifunctional solar heat pump sludge dry system according to claim 4, which is characterized in that the air inlet
Mouth (16) and air outlet (14) quantity are multiple.
6. a kind of multifunctional solar heat pump sludge dry system according to claim 1, which is characterized in that the sun
It can air collector (5) connection cooling tower (8).
7. a kind of multifunctional solar heat pump sludge dry system according to claim 1, which is characterized in that the sun
Energy air collector (5) sets gradually glass cover-plate (11), selective heat-absorbing plate (12) and insulating layer (13) from top to bottom.
8. a kind of multifunctional solar heat pump sludge dry system according to claim 7, which is characterized in that the selection
Property absorber plate (12) surface on fin is housed, solar energy air heat collector (5) interior air-flow direction is parallel to fin.
9. a kind of multifunctional solar heat pump sludge dry system according to claim 1, which is characterized in that the evaporation
Compressor (1) and expansion valve (2), the evaporator (3), condenser (4), compressor are equipped between device (3) and condenser (4)
(1) and expansion valve (2) forms heat pump unit.
10. a kind of multifunctional solar heat pump sludge dry system according to claim 1, which is characterized in that the system
In set there are four triple valve (V1, V2, V3, V4) and two solenoid valves (S1, S2), and pass through the switching group of triple valve and solenoid valve
The switching for carrying out operational mode is closed,
Wherein, the triple valve (V1, V2, V3, V4) be respectively arranged at the entrance of solar energy air heat collector (5), condenser
(4) inlet in exit and air-water heat exchanger (9)；
The solenoid valve (S1, S2) is respectively arranged on the connecting pipe and evaporator (3) import of air-water heat exchanger (9) outlet
In connecting pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811495585.3A CN109534652A (en) | 2018-12-07 | 2018-12-07 | A kind of multifunctional solar heat pump sludge dry system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811495585.3A CN109534652A (en) | 2018-12-07 | 2018-12-07 | A kind of multifunctional solar heat pump sludge dry system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109534652A true CN109534652A (en) | 2019-03-29 |
Family
ID=65853284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811495585.3A Pending CN109534652A (en) | 2018-12-07 | 2018-12-07 | A kind of multifunctional solar heat pump sludge dry system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109534652A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112577306A (en) * | 2020-12-16 | 2021-03-30 | 中南林业科技大学 | Multi-mode solar heat pump camellia oleifera seed drying and energy supply device and control method thereof |
| CN114992999A (en) * | 2022-05-17 | 2022-09-02 | 云南电网有限责任公司电力科学研究院 | Two-stage heating solar coupling heat pump drying system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201857332U (en) * | 2010-11-01 | 2011-06-08 | 曹黎 | Solar heat pump sludge drying unit |
| CN203284304U (en) * | 2013-05-23 | 2013-11-13 | 南京师范大学 | Device of drying sludge through solar energy-heat pump coupled liquid desiccating |
| CN103482838A (en) * | 2012-06-13 | 2014-01-01 | 中国科学院理化技术研究所 | Solar energy heat pump combined sludge drying system and drying method |
| CN103983095A (en) * | 2014-05-26 | 2014-08-13 | 常州海卡太阳能热泵有限公司 | Heat recovery heat pump and energy-storage solar heat pump united drying system and control method |
| CN104710097A (en) * | 2015-03-24 | 2015-06-17 | 北京石油化工学院 | Solar auxiliary heat pump sludge drying system |
| CN209507966U (en) * | 2018-12-07 | 2019-10-18 | 上海电力学院 | A kind of multifunctional solar heat pump sludge dry system |
-
2018
- 2018-12-07 CN CN201811495585.3A patent/CN109534652A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201857332U (en) * | 2010-11-01 | 2011-06-08 | 曹黎 | Solar heat pump sludge drying unit |
| CN103482838A (en) * | 2012-06-13 | 2014-01-01 | 中国科学院理化技术研究所 | Solar energy heat pump combined sludge drying system and drying method |
| CN203284304U (en) * | 2013-05-23 | 2013-11-13 | 南京师范大学 | Device of drying sludge through solar energy-heat pump coupled liquid desiccating |
| CN103983095A (en) * | 2014-05-26 | 2014-08-13 | 常州海卡太阳能热泵有限公司 | Heat recovery heat pump and energy-storage solar heat pump united drying system and control method |
| CN104710097A (en) * | 2015-03-24 | 2015-06-17 | 北京石油化工学院 | Solar auxiliary heat pump sludge drying system |
| CN209507966U (en) * | 2018-12-07 | 2019-10-18 | 上海电力学院 | A kind of multifunctional solar heat pump sludge dry system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112577306A (en) * | 2020-12-16 | 2021-03-30 | 中南林业科技大学 | Multi-mode solar heat pump camellia oleifera seed drying and energy supply device and control method thereof |
| CN114992999A (en) * | 2022-05-17 | 2022-09-02 | 云南电网有限责任公司电力科学研究院 | Two-stage heating solar coupling heat pump drying system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206970447U (en) | Sludge at low temperature dehumidifying anhydration system | |
| CN105841272A (en) | Temperature and humidity independent control type air-conditioning system driven by solar energy | |
| CN208087456U (en) | The totally-enclosed sludge drying system of providing multiple forms of energy to complement each other of dewatered sludge water content can be reduced | |
| CN201368540Y (en) | Air heat-recovery heat pump | |
| CN110440530B (en) | Industrial waste heat composite solar greenhouse drying system and method | |
| CN103994643A (en) | Heat pump cold-end heat radiation type sealed dehumidification drying house | |
| CN109534652A (en) | A kind of multifunctional solar heat pump sludge dry system | |
| CN109574452A (en) | A kind of multi-functional wind light mutual complementing heat pump sludge dry system | |
| CN209507966U (en) | A kind of multifunctional solar heat pump sludge dry system | |
| CN103575082B (en) | Fermented feed drying system | |
| CN209507967U (en) | A kind of multi-functional wind light mutual complementing heat pump sludge dry system | |
| CN110255856A (en) | Steam heat pump sludge drying system | |
| CN209537262U (en) | A kind of pump type heat divides warm area drying system | |
| CN110131997A (en) | Coal slime dries the exhaust heat stepped recycling system of lack of gas | |
| CN106871280B (en) | A kind of heat pump driven two-stage solution dehumidifying air-conditioning system | |
| CN206001814U (en) | Double source closed recovery drying system | |
| CN201414374Y (en) | Novel cooling unit | |
| CN108302927A (en) | A kind of drying system of solar energy auxiliary multi-stage heat pump and multistage air-cooled coupling | |
| CN210764950U (en) | Sludge drying equipment | |
| CN204128290U (en) | Heat pump cold junction heat dissipation type sealing dehumidifying drying room | |
| CN103253845A (en) | Different poly energy sludge drying system | |
| CN207095252U (en) | Heat pump drying system | |
| CN209655508U (en) | A kind of air energy heat pump recuperation of heat dedicated fresh air unit | |
| CN208883692U (en) | A kind of double loop sludge Analysis of Heat Pump Drying System | |
| CN109282406B (en) | Self-balancing ground radiation cooling system and cooling control method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 200090 No. 2103, Pingliang Road, Shanghai, Yangpu District Applicant after: Shanghai Electric Power University Address before: 200090 No. 2103, Pingliang Road, Shanghai, Yangpu District Applicant before: SHANGHAI University OF ELECTRIC POWER |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20240118 Address after: Room Y, Unit 117, Building 2, Unit 1, No. 688 Qiushi Road, Jinshanwei Town, Jinshan District, Shanghai, December 2015 Applicant after: Shanghai Kulian Information Technology Co.,Ltd. Address before: 200090 No. 2103, Pingliang Road, Shanghai, Yangpu District Applicant before: Shanghai Electric Power University |