CN207123157U - Vacuum heat pump drying system - Google Patents
Vacuum heat pump drying system Download PDFInfo
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- CN207123157U CN207123157U CN201721048274.3U CN201721048274U CN207123157U CN 207123157 U CN207123157 U CN 207123157U CN 201721048274 U CN201721048274 U CN 201721048274U CN 207123157 U CN207123157 U CN 207123157U
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- 238000001035 drying Methods 0.000 title claims abstract description 99
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 68
- 238000001816 cooling Methods 0.000 claims abstract description 46
- 239000000498 cooling water Substances 0.000 claims abstract description 23
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 238000010438 heat treatment Methods 0.000 claims description 15
- 238000009833 condensation Methods 0.000 claims description 10
- 230000005494 condensation Effects 0.000 claims description 10
- 239000012530 fluid Substances 0.000 claims description 9
- 238000001704 evaporation Methods 0.000 claims description 6
- 230000008020 evaporation Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 241000894006 Bacteria Species 0.000 description 5
- 230000005611 electricity Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000009835 boiling Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000007791 dehumidification Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 238000010025 steaming Methods 0.000 description 2
- 235000019733 Fish meal Nutrition 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 239000004467 fishmeal Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Abstract
The utility model provides a kind of vacuum heat pump drying system, including drying oven（20）, source pump one, with the water cooling pipeline of drying oven UNICOM（11）And water cooling pipeline（11）The vavuum pump of connection（13）, cooling water tank is connected between the inlet of the vavuum pump and the liquid outlet of vavuum pump（14）.The utility model vacuumizing effect is good, and power consumption is low, free from extraneous odour produces, rate of drying is fast, energy recycles.
Description
Technical field
The utility model belongs to heat pump drying field, specifically a kind of vacuum heat pump drying system.
Background technology
At present, vacuum heat pump drying system will realize vacuum state, it is necessary to use vavuum pump, but vavuum pump wants to reach
Preferable vacuum, higher is required to water temperature, for example, within the temperature range of 0 DEG C -25 DEG C, it is possible to achieve vacuum -
0.097MPa, within the temperature range of 25-45 degrees Celsius, it is possible to achieve vacuum -0.08Mpa.
Utility model content
The utility model is in order to solve the problems, such as in background technology, there is provided a kind of good vacuum heat pump drying of vacuumizing effect
System.
Technical solution of the present utility model is：
A kind of vacuum heat pump drying system, it is characterised in that：Including drying oven 20, source pump one and drying oven UNICOM
Water cooling pipeline 11, the vavuum pump 13 that is connected with water cooling pipeline 11, the inlet of the vavuum pump and the liquid outlet of vavuum pump it
Between be connected with cooling water tank 14.
Preferably, it is additionally provided with the pipeline between the liquid outlet of the vavuum pump and cooling water tank 14 for the cold of cooling
Condenser three.
Preferably, it is provided with the cooling water tank 14 on temperature measuring head, and/or cooling water tank 14 and is additionally provided with discharge opening
And/or and water inlet.
Preferably, the storage tank 12 of closing is also associated between the water cooling pipeline 11 and vavuum pump 13, storage tank 12 divides
For two chambers, chamber one connects vavuum pump 13 and water cooling pipeline 11, chamber two are connected by pipeline one with air, on pipeline one
Valve 1 is provided with, chamber two is connected by discharge pipe line with air, and valve 3 17, valve 1 are provided with discharge pipe line
Also it is connected close to one end of storage tank by pipeline two with chamber one, valve 2 15 is installed on pipeline two.
Preferably, wind exhausting outlet and air draft entrance are additionally provided with the drying oven 20, the air draft of the drying oven 20 goes out
Mouthful it is connected by the air draft entrance of exhaust pipeline and drying oven, in the exhaust pipeline and/or at wind exhausting outlet and/or air draft
Porch is provided with blower fan 23, and the evaporator 2 10 in the source pump one is arranged in exhaust pipeline.
Preferably, the vacuum heat pump drying system also includes Total heat exchange core body 19, and the air draft of the drying oven 20 goes out
The A tunnel inlets of mouth and Total heat exchange core body 19 are connected, A ducting outlets and the Total heat exchange core body 19 of Total heat exchange core body 19
B tunnel inlets be connected, the evaporator 2 10 is arranged at the A ducting outlets of Total heat exchange core body 19 and Total heat exchange core body
Between 19 B tunnel inlets, the B ducting outlets of the Total heat exchange core body 19 and the air draft entrance of drying oven are connected.
Preferably, the vacuum heat pump drying system also includes the heating plant that thermal source is provided to drying oven 20, the confession
Thermal includes heat cycles pipeline 22, the fluid media (medium) in heat cycles pipeline 22, is serially connected in heat cycles pipeline 22
In circulating pump 18 and heat cycles pipeline 22 thermal source, the thermal source of the heat cycles pipeline 22 is cold for source pump one
Condenser 1 and/or or the electric additional thermal on heat cycles pipeline 22.
Preferably, the source pump one also includes evaporator 1, and the evaporator 1 is connected in parallel on evaporator 2 10
Both ends, the water-cooling channel UNICOM of the water cooling pipeline 11 and the evaporator 1 of source pump one；Or the vacuum heat pump drying
System also includes source pump three, the water-cooling channel UNICOM of the water cooling pipeline 11 and the evaporator 1 of source pump three.
Preferably, the source pump one includes compressor 1, condenser 1, heat exchanger 1, evaporator 1, evaporator
2 10, throttling arrangement 1, throttling arrangement 25, the pressure high temperature hot gas that the compressor 1 is discharged after condenser 1 by being divided into
Two-way, the M passages all the way through throttling arrangement 1, heat exchanger 1 return to compressor 1, N channel of the another way through heat exchanger 1,
Compressor 1 is returned to after throttling arrangement 25, evaporator 1, the M passages and N channel of the heat exchanger 1 carry out heat exchange, evaporation
Device 1 and evaporator 2 10 are in parallel；Or the source pump one includes compressor 1, condenser 1, heat exchanger 1, evaporation
Device 1, evaporator 2 10, throttling arrangement 1, throttling arrangement 25, the pressure high temperature hot gas that the compressor 1 is discharged pass through cold
It is divided into two-way after condenser 1, the M passages through heat exchanger 1, throttling arrangement 1 return to compressor 1 all the way, and another way is through throttling
Compressor 1 is returned to after device 25, the N channel of heat exchanger 1, evaporator 1, the M passages and N channel of the heat exchanger 1 enter
Row heat exchange, evaporator 1 and evaporator 2 10 are in parallel.
Preferably, the vacuum heat pump drying system also includes at least one set of source pump two, and the source pump two is wrapped
Include compressor 1, condenser 1, heat exchanger 1, evaporator 1, throttling arrangement 1, throttling arrangement 25, the row of compressor 1
By being divided into two-way after condenser 1, the M passages all the way through throttling arrangement 1, heat exchanger 1 return the pressure high temperature hot gas gone out
To compressor 1, another way returns to compressor 1 after the N channel of heat exchanger 1, throttling arrangement 25, evaporator 1, described to change
The M passages and N channel of hot device 1 carry out heat exchange；Or the source pump two includes compressor 1, condenser 1, heat exchange
Device 1, evaporator 1, throttling arrangement 1, throttling arrangement 25, the pressure high temperature hot gas that the compressor 1 is discharged pass through condensation
It is divided into two-way after device 1, the M passages through heat exchanger 1, throttling arrangement 1 return to compressor 1 all the way, and another way fills through throttling
Compressor 1 is returned to after putting the N channel of 25, heat exchanger 1, evaporator 1, the M passages and N channel of the heat exchanger 1 are carried out
Heat exchange.
The utility model has the advantages that：
（One）Drying oven is dried for negative pressure of vacuum, reduces the boiling point of drying oven reclaimed water, and water can seethe with excitement at 50 DEG C, is compressed
Machine condensation temperature is low, compressor consuming electric power is few, and in compressor normal operating condition, evaporating temperature is at 10 DEG C, condensation temperature
At 80 DEG C, power 12KW, condensation temperature is at 60 DEG C, power 8KW, can often be removed using 1kw.h in the case
4.5kg moisture, Energy Efficiency Ratio is high, and power consumption is low.
（Two）Drying material whole process is in confined space, and free from extraneous odour produces.
（Three）Total heat exchange core body, pre- cooling effect is on the one hand played, on the other hand heat energy is reclaimed, reduce heat
Loss.
（Four）First drying course consumes a small amount of electric energy activates biological bacteria as the initial drying energy of drying oven, the
Two drying courses to drying oven without additionally providing heat, using heat caused by biological bacteria as drying thermal source, energy
Recycle, reduce energy consumption, power consumption is low.
（Five）The one side of evaporator one of source pump one cools to steam realizes dehumidifying, and one side source pump is dried for a pair
The heat of dry gas is reclaimed, and for the heating of drying oven, saves energy consumption.
（Six）After drying produces gas, gas is fed directly into condenser one, generates aqueous water, rate of drying
It hurry up；Condensation water tank can ensure the vacuum of whole system no matter when storing water or discharging water.
（Seven）The structure of source pump, can make at a lower temperature also can normal operation in whole system.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the vacuum heat pump drying system of the utility model embodiment seven.
Fig. 2 is the connection diagram of the source pump two of the utility model embodiment seven.
Fig. 3 is the connection diagram of the source pump one of the utility model embodiment seven.
Embodiment
The evaporator one that occurs in following examples, evaporator two, evaporator three, source pump one, source pump are second-class
The statement of addend word after noun, is distinguished according to installation site, and the limitation of non-logarithmic amount.
Embodiment one
Vacuum heat pump drying system, including drying oven 20, source pump one, with the water cooling pipeline 11 of drying oven UNICOM, with
The vavuum pump 13 that water cooling pipeline 11 connects, cooling water tank is connected between the inlet of the vavuum pump and the liquid outlet of vavuum pump
14。
Source pump one in the present embodiment can use the source pump of simplest structure, i.e., compressor, condenser one,
Evaporator 2 10, throttling arrangement source pump in series, in the source pump one each structure and annexation for it is existing into
Cooking technique, it will not be described here.
The vacuum of the drying oven 20 is -0.08MPa and following, and when vacuum is -0.08MPa, water can at 50 DEG C
With boiling.Using vavuum pump, the boiling point of water can be not only reduced, heat when saving original state needed for heating and drying furnace, is gone back
The consuming electric power of compressor can be reduced, moreover, drying course is carried out under closed environment, free from extraneous odour produces, and environmental protection, meets state
Family's environmental requirement.
Specifically, the vavuum pump can select water-ring vacuum pump or screw vacuum pump.Using water-ring vacuum pump as
Example, is connected with cooling water tank 14 between the inlet of water-ring vacuum pump and the liquid outlet of water-ring vacuum pump；Further, water
The air-cooled condenser for cooling is additionally provided with pipeline between the liquid outlet and cooling water tank 14 of ring vacuum pumps；More enter one
Step, temperature measuring head is provided with cooling water tank 14, discharge opening and water inlet are additionally provided with cooling water tank 14.At the beginning of cooling water tank 14
Water is housed, temperature measuring head is used for the temperature acquisition of cooling water tank 14, when temperature is optionally greater than the " temperature of cooling water tank 14 under the conditions of the beginning
During such as 35 ° of the upper limit ", the discharge opening of cooling water tank 14 is opened, and is then shut off discharge opening, opens water inlet；When temperature less than etc.
In such as 30 degree of " being limited at a temperature of cooling water tank 14 ", the then water inlet of cooling water tank 14 closing.The setting of cooling water tank, Ke Yibao
Card water-ring vacuum pump works under preference temperature, to make vacuum reach perfect condition.
Preferably, the condenser for cooling is additionally provided with the pipeline between the liquid outlet of vavuum pump and cooling water tank 14
Three.It is furthermore preferred that being provided with temperature measuring head on cooling water tank 14, discharge opening and water inlet are additionally provided with cooling water tank 14.Condensation
Device three can select air-cooled condenser.
Embodiment two
Vacuum heat pump drying system, on the basis of embodiment one, also connect between the water cooling pipeline 11 and vavuum pump 13
The storage tank 12 for gas-liquid separation is connected to, storage tank 12 divides connects vavuum pump 13 and water cooling for upper and lower two chambers, chamber one
Pipeline 11, responsible to collect the steam for flowing through evaporator, chamber two is connected by pipeline one with air, and valve is provided with pipeline one
One 16, chamber two is connected by discharge pipe line with air, valve 3 17 is provided with discharge pipe line, valve 1 is close to storage tank
One end be also connected by pipeline two with chamber one, valve 2 15 is installed on pipeline two.
Preferably, it is also equipped with water level detection gauge on chamber two.During work, valve 2 15 is opened, valve 1 and valve three
17 are closed, upper and lower two chambers UNICOM, and the liquid in the gas-liquid mixture to come from water cooling pipeline 11 is flowed by valve 2 15
To chamber two, now whole water cooling pipeline 11 can still keep vacuum state, when the water of chamber two reaches specified water level, water
Position detector output signal, control valve 2 15 are closed, and valve 1 and valve 3 17 are opened, now, whole water cooling pipeline 11
Also vacuum state can be still kept, does not interfere with the progress of drying work.
Embodiment three
On the basis of embodiment two, wind exhausting outlet and air draft entrance, the drying are additionally provided with the drying oven 20
The wind exhausting outlet of stove 20 is connected by the air draft entrance of exhaust pipeline and drying oven, and in the exhaust pipeline and/or air draft goes out
At mouthful and/or air draft porch is provided with blower fan 23, and the evaporator 2 10 in the source pump one is arranged in exhaust pipeline.
Example IV
On the basis of embodiment three, the vacuum heat pump drying system also includes Total heat exchange core body 19, Total heat exchange
Core body 19 has two independent air channels.The wind exhausting outlet of the drying oven 20 leads to the A tunnel inlets of Total heat exchange core body 19
Cross exhaust pipeline 1 to be connected, the A ducting outlets of Total heat exchange core body 19 lead to the B tunnel inlets of Total heat exchange core body 19
Cross pipeline to be connected, the evaporator 2 10 is arranged at the A ducting outlets of Total heat exchange core body 19 and the B of Total heat exchange core body 19
Between tunnel inlet, the B ducting outlets of the Total heat exchange core body 19 and the air draft entrance of drying oven pass through exhaust pipeline 2 212
It is connected.
Embodiment five
On the basis of example IV, the vacuum heat pump drying system also includes the heat supply that thermal source is provided to drying oven 20
Device, the heating plant include heat cycles pipeline 22, the fluid media (medium) in heat cycles pipeline 22, are serially connected in heating
The thermal source of circulating pump 18 in circulation line 22 and the device to fluid media (medium) heating namely heat cycles pipeline 22.
Device to fluid media (medium) heating can be the additional thermal of electricity, and the additional thermal of electricity is located at heat cycles pipeline 22
On, the device to fluid media (medium) heating can also be the condenser one of source pump one, heat cycles pipeline 22 and source pump
One condenser one is exchanged heat, the heat of absorptive condenser one.Preferably, both can exist simultaneously, the additional thermal of electricity
Quickly it can be heated up to drying oven, there is provided the initial heat of drying oven, the heat that a pair of water cooling pipelines 11 of condenser give out enter
Row recovery, reduces heat energy loss.
A part for heat cycles pipeline 22 is located in drying oven 20, for providing heat to drying oven 20.Specifically, dry
Agitating device is provided with dry stove 20, the central shaft of agitating device is quill shaft, and quill shaft can be used as heat cycles pipeline 22
A part of pipeline, pipeline can also be laid out in addition in other parts.Fluid media (medium) in heat cycles pipeline 22 is thermal conductivity
The good liquid of energy.
Temperature measuring head and vacuum meter are provided with drying oven.
Embodiment six
On the basis of embodiment five, in order that the steam energy rapid condensation in water cooling pipeline, can make water cooling tube road 11
Exchanged heat with another evaporator, this evaporator can be the steaming for being connected in parallel on the both ends of evaporator 2 10 in source pump one
Send out device 1, the water-cooling channel UNICOM of the water cooling pipeline 11 and the evaporator 1 of source pump one.
Or a complete source pump three is separately set, source pump three includes condenser, evaporator one, the water cooling tube
Road 11 and the water-cooling channel UNICOM of the evaporator 1 of source pump three.
Preferably, it is connected after water cooling pipeline 11 exchanges heat with evaporator 1 by condenser 2 25 with storage tank 12, condenser
2 25 can select air-cooled condenser, plate type heat exchanger, double-tube heat exchanger etc., and condenser two is used for the liquid not cooled down completely
Water is cooled, and reclaims heat, improves Energy Efficiency Ratio.
Embodiment seven
On the basis of embodiment six, source pump can set it is multigroup, such as in Fig. 1, including one group of source pump one
With multigroup source pump two.
Source pump one can use any in following two structures.
The first structure of source pump one：Such as Fig. 3, including compressor 1, condenser 1, heat exchanger 1, evaporator one
6th, evaporator 2 10, throttling arrangement 1, throttling arrangement 25, the pressure high temperature hot gas that the compressor 1 is discharged pass through condenser
It is divided into two-way after one 2, the M passages all the way through throttling arrangement 1, heat exchanger 1 return to compressor 1, and another way is through heat exchanger 1
N channel, throttling arrangement 25, compressor 1 is returned to after evaporator 1, the M passages and N channel of the heat exchanger 1 carry out heat
Exchange, evaporator 1 and evaporator 2 10 are in parallel.Evaporator 1 is used for carrying out the steam that vavuum pump is released from drying oven
Dehumidifying.Evaporator 2 10 is used to dehumidify to the steam that blower fan is extracted out from drying oven.
Second of structure of source pump one：By the throttling arrangement 1 in the first structure of source pump one and heat exchange
The M channel positions of device 1 are exchanged, while throttling arrangement 25 and the position of the N channel of heat exchanger 1 are exchanged, i.e., described heat pump machine
Group one includes compressor 1, condenser 1, heat exchanger 1, evaporator 1, evaporator 2 10, throttling arrangement 1, throttling arrangement
25, by being divided into two-way after condenser 1, the M all the way through heat exchanger 1 leads to the pressure high temperature hot gas that the compressor 1 is discharged
Road, throttling arrangement 1 return to compressor 1, and another way is returned after throttling arrangement 25, the N channel of heat exchanger 1, evaporator 1
To compressor 1, the M passages and N channel of the heat exchanger 1 carry out heat exchange, and evaporator 1 and evaporator 2 10 are in parallel.
Such as Fig. 2, source pump two can use it is any in following two structures, i.e., relative to source pump one,
Source pump two does not include evaporator 2 10.
The first structure of source pump two, the source pump two include compressor 1, condenser 1, heat exchanger 1,
Evaporator 1, throttling arrangement 1, throttling arrangement 25, the pressure high temperature hot gas that the compressor 1 is discharged pass through condenser 1
After be divided into two-way, the M passages all the way through throttling arrangement 1, heat exchanger 1 return to compressor 1, N of the another way through heat exchanger 1
Compressor 1 is returned to after passage, throttling arrangement 25, evaporator 1, the M passages and N channel of the heat exchanger 1 carry out hot friendship
Change；
Second of structure of source pump two, the source pump two include compressor 1, condenser 1, heat exchanger 1,
Evaporator 1, throttling arrangement 1, throttling arrangement 25, the pressure high temperature hot gas that the compressor 1 is discharged pass through condenser 1
After be divided into two-way, the M passages through heat exchanger 1, throttling arrangement 1 return to compressor 1 all the way, another way through throttling arrangement 25,
Compressor 1 is returned to after the N channel of heat exchanger 1, evaporator 1, the M passages and N channel of the heat exchanger 1 carry out hot friendship
Change.
Preferably, evaporator 1 can select double-tube heat exchanger, have erosion-resisting advantage.Condenser 1 can select
Plate type heat exchanger, heat exchanger 1 can also select plate type heat exchanger, and throttling arrangement 1 is heating power expansion valve, throttling arrangement 25
For electric expansion valve.Property is also an option that between evaporator 1 and condenser 1 is provided with fluid reservoir 7, filter 8, regarding liquid
Mirror 9 etc..Evaporator 2 10 is finned heat exchanger.Magnetic valve is provided with branch road where evaporator 1 and evaporator 2 10,
To make can to switch between two branch roads.
Water cooling pipeline can be that a pipeline gets off heat exchange of being connected successively with the evaporator 1 of every group of source pump, water cooling
Pipeline can also be that main line branch gets off parallel heat exchanging, i.e. each branch of water cooling pipeline steaming with one group of source pump respectively
Send out device 1 to exchange heat, preferred parallel heat exchanging, as shown in Figure 3, can now be automatically turned in each branch of water cooling pipeline with
Close.
Preferably, condenser one 2 of the heat cycles pipeline 22 also with source pump is exchanged heat.Heat cycles pipeline 22 can
To be that a pipeline gets off heat exchange of being connected successively with the condenser 1 of every group of source pump, heat cycles pipeline 22 can be one
Root line branching gets off parallel heat exchanging, i.e. each branch of heat cycles pipeline 22 condenser one with one group of source pump respectively
2 parallel heat exchangings, preferably parallel heat exchanging, as shown in Figure 3, it can now be cut automatically in each branch of heat cycles pipeline 22
It is disconnected and open the branch road.Condenser absorbs the medium that the heat that evaporator heat exchange absorbs is used in heat cycles pipeline, and medium is again
Heat is sent in heated drying oven.
The running of the present embodiment is：
1】Material is sent into drying oven；Preferably, biological bacteria is added with the drying oven；
2】Open circulating pump 18；The additional thermal of electricity is opened, is heated to medium, so as to give drying stove heat；Open water cooling
Pipeline 11, exhaust pipeline is closed, when having vavuum pump, open vavuum pump, vacuumized；Furnace temperature to be dried reaches setting value
When, source pump is started working successively, makes the evaporator one of source pump one and the evaporator one and water cooling tube of source pump two
The heat exchange of road 11 makes moisture condensation, the condenser one and the progress heat exchange of heat cycles pipeline 22 of source pump one and source pump two
Make the fluid media (medium) heating in heat cycles pipeline 22, after being heated to the fermentation temperature of biological bacteria to drying oven, into step 3】；
When steam enters storage tank 12, be also partially in gas-liquid mixture phase, storage tank is divided into two layers up and down, aqueous water directly from
Chamber one flow to chamber two, and when the water of chamber two reaches specified water level, water level detection gauge output signal, control valve 2 15 is closed
Close, valve 1 and valve 3 17 are opened, the water outflow of chamber two.
3】Water cooling pipeline is closed, opens exhaust pipeline, blower fan, opens evaporator two, closes the evaporation of all source pumps
Device one, the moisture in drying material is baked out by heat caused by biological bacteria, the steam of drying oven discharge is first through exhaust pipeline
The A air channels of middle Total heat exchange core body 19 cool in advance, then by the fast cooling of evaporator two so that condensate moisture in air into
Water is discharged, and at this time air becomes to dry, but temperature is very low, pre- by the B air channels of Total heat exchange core body 19 again
Heating（The humid air to A air channels cools in advance simultaneously）, the air that is dehumidified flows through Total heat exchange core body A air channels and cools in advance, can
So that the cool-down dehumidification efficiency of evaporator two improves at least 30%, while pre- the distributed heat that cools is again by Total heat exchange core body B wind
Road reclaims at least 50% heat again, and heat is reclaimed for idle；Until drying terminates.
In the process, Energy Efficiency Ratio can reach 4.5kg. water/kw.h.
The vacuum heat pump drying system of the present embodiment be particularly suitable for use in sludge drying, kitchen garbage drying, fish meal drying etc.
It can be stirred and the material of unaffected character of use in drying course.
Effect explanation：Exemplified by drying 3000kg sludge, its humidity is 80%, it is desirable to which humidity is reduced to 30% by 80%.
Then water yield：3000kg*0.72=2160kg；First drying course humidity drops to 60% by 80%, removes 1.5 tons
Water, second drying course humidity drop to 30% by 60%, remove 0.6 ton of water.
Design drying time：24h, then average water yield：2160kg/24h=90kg/h
Design uses 2, compressor：12HP
Design drying temperature：50℃~60℃
In the case：Compressor horsepower：7.7*2=15.4KW
Other powers of motor：5kw
Dehumidification rate is：90÷（15.4+5）=4.41kg water/kw.h.
Claims (10)
- A kind of 1. vacuum heat pump drying system, it is characterised in that：Including drying oven（20）, source pump one, with drying oven UNICOM Water cooling pipeline（11）And water cooling pipeline（11）The vavuum pump of connection（13）, the inlet of the vavuum pump and going out for vavuum pump Cooling water tank is connected between liquid mouth（14）.
- 2. vacuum heat pump drying system according to claim 1, it is characterised in that：The liquid outlet of the vavuum pump and cooling Water tank（14）Between pipeline on be additionally provided with condenser three for cooling.
- 3. vacuum heat pump drying system according to claim 2, it is characterised in that：The cooling water tank（14）On be provided with Temperature measuring head and/or discharge opening and/or water inlet.
- 4. according to any described vacuum heat pump drying systems of claim 1-3, it is characterised in that：The water cooling pipeline（11）With Vavuum pump（13）Between be also associated with closing storage tank（12）, storage tank（12）It is divided into two chambers, chamber one connects vacuum Pump（13）With water cooling pipeline（11）, chamber two is connected by pipeline one with air, and valve one is provided with pipeline one（16）, chamber Two are connected by discharge pipe line with air, and valve three is provided with discharge pipe line（17）, valve one（16）Close to the one of storage tank End is also connected by pipeline two with chamber one, and valve two is provided with pipeline two（15）.
- 5. vacuum heat pump drying system according to claim 4, it is characterised in that：The drying oven（20）On be additionally provided with Wind exhausting outlet and air draft entrance, the drying oven（20）Wind exhausting outlet be connected by the air draft entrance of exhaust pipeline and drying oven Logical, in the exhaust pipeline and/or at wind exhausting outlet and/or air draft porch is provided with blower fan（23）, the source pump one In evaporator two（10）It is arranged in exhaust pipeline.
- 6. vacuum heat pump drying system according to claim 5, it is characterised in that：The vacuum heat pump drying system is also wrapped Include Total heat exchange core body（19）, the drying oven（20）Wind exhausting outlet and Total heat exchange core body（19）A tunnel inlets be connected It is logical, Total heat exchange core body（19）A ducting outlets and Total heat exchange core body（19）B tunnel inlets be connected, the evaporator Two（10）It is arranged at Total heat exchange core body（19）A ducting outlets and Total heat exchange core body（19）B tunnel inlets between, it is described Total heat exchange core body（19）B ducting outlets and the air draft entrance of drying oven be connected.
- 7. vacuum heat pump drying system according to claim 6, it is characterised in that：The vacuum heat pump drying system is also wrapped Include to drying oven（20）The heating plant of thermal source is provided, the heating plant includes heat cycles pipeline（22）, follow positioned at heating Endless tube road（22）In fluid media (medium), be serially connected in heat cycles pipeline（22）In circulating pump（18）And heat cycles pipeline （22）Thermal source, the heat cycles pipeline（22）Thermal source be source pump one condenser one（2）And/or followed positioned at heating Endless tube road（22）On electric additional thermal.
- 8. vacuum heat pump drying system according to claim 7, it is characterised in that：The source pump one also includes evaporation Device one（6）, the evaporator one（6）It is connected in parallel on evaporator two（10）Both ends, the water cooling pipeline（11）With source pump one Evaporator one（6）Water-cooling channel UNICOM；Or the vacuum heat pump drying system also includes source pump three, the water cooling Pipeline（11）With the evaporator one of source pump three（6）Water-cooling channel UNICOM.
- 9. vacuum heat pump drying system according to claim 8, it is characterised in that：The source pump one includes compressor （1）, condenser one（2）, heat exchanger one（4）, evaporator one（6）, evaporator two（10）, throttling arrangement one（3）, throttling arrangement two （5）, the compressor（1）The pressure high temperature hot gas of discharge passes through condenser one（2）After be divided into two-way, all the way through throttling arrangement one （3）, heat exchanger one（4）M passages return to compressor（1）, another way is through heat exchanger one（4）N channel, throttling arrangement two（5）、 Evaporator one（6）After return to compressor（1）, the heat exchanger one（4）M passages and N channel carry out heat exchange, evaporator one （6）With evaporator two（10）It is in parallel；Or the source pump one includes compressor（1）, condenser one（2）, heat exchanger one（4）, evaporator one（6）, evaporation Device two（10）, throttling arrangement one（3）, throttling arrangement two（5）, the compressor（1）The pressure high temperature hot gas of discharge passes through condensation Device one（2）After be divided into two-way, all the way through heat exchanger one（4）M passages, throttling arrangement one（3）Return to compressor（1）, another way Through throttling arrangement two（5）, heat exchanger one（4）N channel, evaporator one（6）After return to compressor（1）, the heat exchanger one（4） M passages and N channel carry out heat exchange, evaporator one（6）With evaporator two（10）It is in parallel.
- 10. vacuum heat pump drying system according to claim 9, it is characterised in that：The vacuum heat pump drying system is also Including at least one set of source pump two, the source pump two includes compressor（1）, condenser one（2）, heat exchanger one（4）, steam Send out device one（6）, throttling arrangement one（3）, throttling arrangement two（5）, the compressor（1）The pressure high temperature hot gas of discharge passes through condensation Device one（2）After be divided into two-way, all the way through throttling arrangement one（3）, heat exchanger one（4）M passages return to compressor（1）, another way Through heat exchanger one（4）N channel, throttling arrangement two（5）, evaporator one（6）After return to compressor（1）, the heat exchanger one（4） M passages and N channel carry out heat exchange；Or the source pump two includes compressor（1）, condenser one（2）, heat exchanger one（4）, evaporator one（6）, throttling Device one（3）, throttling arrangement two（5）, the compressor（1）The pressure high temperature hot gas of discharge passes through condenser one（2）After be divided into Two-way, all the way through heat exchanger one（4）M passages, throttling arrangement one（3）Return to compressor（1）, another way is through throttling arrangement two （5）, heat exchanger one（4）N channel, evaporator one（6）After return to compressor（1）, the heat exchanger one（4）M passages and N lead to Road carries out heat exchange.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721048274.3U CN207123157U (en) | 2017-08-21 | 2017-08-21 | Vacuum heat pump drying system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721048274.3U CN207123157U (en) | 2017-08-21 | 2017-08-21 | Vacuum heat pump drying system |
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| CN207123157U true CN207123157U (en) | 2018-03-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109405423A (en) * | 2018-11-30 | 2019-03-01 | 江苏天舒电器有限公司 | A kind of vacuum environment heat pump drying system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109405423A (en) * | 2018-11-30 | 2019-03-01 | 江苏天舒电器有限公司 | A kind of vacuum environment heat pump drying system |
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| GR01 | Patent grant | ||
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| IP01 | Partial invalidation of patent right |
Commission number: 5W124347 Conclusion of examination: Sustained on the basis of claims 1-9 filed by the patentee on July 23, 2021 Decision date of declaring invalidation: 20220104 Decision number of declaring invalidation: 52821 Denomination of utility model: Vacuum heat pump drying system Granted publication date: 20180320 Patentee: YANTAI MINGHUI HEAT PUMP ENERGY-SAVING TECHNOLOGY Co.,Ltd. |