CN206315646U - A kind of freezing type drier - Google Patents
A kind of freezing type drier Download PDFInfo
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- CN206315646U CN206315646U CN201621448267.8U CN201621448267U CN206315646U CN 206315646 U CN206315646 U CN 206315646U CN 201621448267 U CN201621448267 U CN 201621448267U CN 206315646 U CN206315646 U CN 206315646U
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Abstract
The utility model discloses a kind of freezing type drier, including compressed air processing module, refrigerant processes module and conduction oil loop module；Compressed air processing module includes air cleaner, forecooling heat exchanger, evaporator and final stage heat exchanger, and evaporator air outlet is outer to be additionally provided with a point water air filtration valve group, and electric draining valve is provided with point water air filtration valve group；Refrigerant processes module includes being connected with device for drying and filtering, hot gas bypass valve and expansion valve in turn outside refrigeration compressor, condenser and the gas-liquid separator being connected on refrigeration compressor, condenser refrigerant outlet；The Heat-transfer Oil Pump that conduction oil loop module includes heat conduction fuel tank and is connected to outside heat conduction fuel tank outlet；The utility model is energy-efficient, it is ensured that the temperature of output squeezing air is constant, the pollutant such as dust, oil droplet gone effectively remove while moisture removal in compressed air；The compressed air that the constant temperature of the utility model output is clean is particularly suitable for use in supplying to the microculture tank of the industries such as pharmacy, food, feed manufacturing.
Description
Technical field
The utility model belongs to drying equipment technical field, and in particular to a kind of freezing type drier, can be widely used for doctor
Medicine, chemical industry, the industry such as food, feed manufacturing.
Background technology
Conventional compressed air drier has a freezing type drier and absorption drier, adsorbing air drier by
Bulky in being more expensive to manufacture, compressed air loss is high（More than 14%）, adsorbent need to be frequently changed, is difficult in many industries
Promote.And though conventional freezing type drier water removal effect is without disadvantages mentioned above, outlet compressed air temperature is unstable, for
Some special occasions, such as microorganism（Strain, vaccine）, it is necessary to which compressed air is maintained at less temperature model in incubation
Enclose.
Common scheme is to increase pipeline heater, the low temperature that freezing type drier is come out in freezing type drier rear class
Compressed air is heated to preference temperature to meet above-mentioned requirements.Under conditions of the program, the refrigerant of cold conditions low pressure is in evaporation
The interior heat taken away by heat exchange in compressed air of device, the dew point value for making compressed air temperature be rapidly reached under specified temp,
Vaporous water condenses into aqueous water, and is discharged by moisture trap, so as to reach dry purpose, refrigerant by compressor and
The heat that condenser is most taken away from compressed air at last is discharged into air, and compressed air outlet temperature is generally in 5-10 DEG C, ripple
Dynamic scope is big, and wanting to be higher by this scope needs additional pipeline heater to be heated, and energy consumption increases, and all exists in many applications
Limitation.
Utility model content
The purpose of this utility model is that, according to the deficiencies in the prior art, design one kind can reduce compressed air drying link
In energy consumption freezing type drier, the utility model for specific occasion provide constant temperature, dried and clean compressed air.
The utility model solves the technical scheme that its technical problem used：A kind of freezing type drier, including compression
Air treatment module, refrigerant processes module and conduction oil loop module；
Described compressed air processing module includes air cleaner, forecooling heat exchanger, evaporator and final stage heat exchange
Device, described forecooling heat exchanger include hot humid air intake, hot humid air outlet slit, low temperature dry air entrance and
Low temperature dry air is exported, evaporator air entrance that described evaporator includes being connected with hot humid air outlet slit, with
Evaporator air outlet, evaporator refrigerant outlet and evaporator refrigerant entrance that low temperature dry air entrance is connected, institute
The final stage heat exchanger stated includes the final stage heat exchange exported respectively with evaporator air and low temperature dry air outlet is connected
Device air intake, final stage heat exchanger air outlet slit, final stage heat exchanger conduction oil outlet and final stage heat exchanger conduction oil enter
Mouthful, described evaporator air outlet is outer to be additionally provided with a point water air filtration valve group, and described dividing is provided with electronic in water air filtration valve group
Draining valve；
Described refrigerant processes module includes refrigeration compressor, condenser and the gas-liquid being connected on refrigeration compressor point
From device, the condenser that described condenser includes condenser conduction oil outlet, is connected with final stage heat exchanger conduction oil outlet
Heat conduction oil-in, condenser refrigerant outlet and the condenser refrigerant inlet being connected with refrigeration compressor, described condensation
It is connected with device for drying and filtering, hot gas bypass valve and expansion valve, described expansion valve and evaporator system outside device refrigerant outlet in turn
Cryogen entrance is connected, and described gas-liquid separator is also connected with evaporator refrigerant outlet and hot gas bypass valve respectively；
The Heat-transfer Oil Pump that described conduction oil loop module includes heat conduction fuel tank and is connected to outside heat conduction fuel tank outlet, it is described
The outlet of Heat-transfer Oil Pump be connected with final stage heat exchanger heat conduction oil-in, the entrance of described heat conduction fuel tank is led with condenser
Hot oil outlet is connected.
A kind of described freezing type drier, also including temperature control modules, described temperature control modules include setting
Low temperature dry air entrance and evaporator air outlet between the first electrically operated valve, be arranged on evaporator air outlet with it is low
The second electrically operated valve and the electric heater being connected in turn outside final stage heat exchanger air outlet slit between warm dry air outlet
And temperature sensor.
A kind of described freezing type drier, is provided with pressure between its condenser refrigerant outlet and device for drying and filtering and opens
Close.
A kind of described freezing type drier, its gas-liquid separator and evaporator refrigerant outlet between and Heat-transfer Oil Pump
Outlet and final stage heat exchanger heat conduction oil-in between be respectively arranged with first pressure table and second pressure table.
Fine filter is additionally provided with the outside of a kind of described freezing type drier, the outlet of its electric heater.
A kind of described freezing type drier, is additionally provided between the entrance and condenser conduction oil outlet of its heat conduction fuel tank
Heat transfer oil filter.
The beneficial effects of the utility model are：
The utility model is freezed in traditional cold on the basis of formula drying machine, is provided with air cleaner and fine filter, is adopted
With conduction oil as heat transfer medium, the heat in condenser is reclaimed by final stage heat exchanger, for being compressed to outlet
Air is heated, so as to save electric energy, the temperature sensor for being arranged on final stage heat exchanger air outlet slit monitors temperature in real time
Degree, when temperature still can not reach design temperature, automatic built-in electric heater carries out auxiliary heating, and heating process is used
Become integral PID regulation, PWM is exported, quick and precisely.
The utility model is energy-efficient, it is ensured that the temperature of output squeezing air is constant, can also be effective while removing moisture removal
The pollutants such as dust, oil droplet in removal compressed air.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Each reference is：1-refrigeration compressor, 2-gas-liquid separator, 3-first pressure table, 4-source of the gas, 5-empty
Air filter, 6-expansion valve, 7-device for drying and filtering, 8-hot gas bypass valve, 9-condenser, 91-condenser conduction oil goes out
Mouthful, 92-condenser heat conduction oil-in, 93-condenser refrigerant outlet, 94-condenser refrigerant inlet, 10-pressure is opened
Close, 11-evaporator, 111-evaporator refrigerant outlet, 112-evaporator refrigerant entrance, 113-evaporator air enters
Mouthful, 114-evaporator air outlet, 12-forecooling heat exchanger, 121-hot humid air intake, 122-hot humid is empty
Gas is exported, the outlet of 123-low temperature dry air, 124-low temperature dry air entrance, the 13-the first electrically operated valve, 14-point water
Air filtration valve group, 15-electric draining valve, 16-second pressure table, 17-heat transfer oil filter, 18-Heat-transfer Oil Pump, 19-heat conduction
Fuel tank, 20-electric heater, 21-final stage heat exchanger, 211-final stage heat exchanger air intake, the heat exchange of 212-final stage
Device air outlet slit, 213-final stage heat exchanger conduction oil outlet, 214-final stage heat exchanger heat conduction oil-in, the filtering of 22-essence
Device, 23-temperature sensor, the 24-the second electrically operated valve.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
Shown in reference picture 1, frozen compressed air dryer, including compression are exported the utility model discloses a kind of constant temperature
Air treatment module, refrigerant processes module and conduction oil loop module.
Described compressed air processing module includes air cleaner 5, forecooling heat exchanger 12, evaporator 11 and final stage heat
Exchanger 21, described forecooling heat exchanger 12 includes hot humid air intake 121, hot humid air outlet slit 122, low temperature
Dry air entrance 124 and low temperature dry air outlet 123, described evaporator 11 include and hot humid air outlet slit 122
The evaporator air entrance 113 being connected, the evaporator air outlet 114 being connected with low temperature dry air entrance 124, evaporation
Device refrigerant outlet 111 and evaporator refrigerant entrance 112, described final stage heat exchanger 21 include respectively with evaporator air
Outlet 114 and low temperature dry air export the 123 final stage heat exchanger air intakes 211 being connected, final stage heat exchanger air
Outlet 212, final stage heat exchanger conduction oil outlet 213 and final stage heat exchanger heat conduction oil-in 214, described evaporator air
It is additionally provided with outside outlet 114 in a point water air filtration valve group 14, described point water air filtration valve group 14 and is provided with electric draining valve 15；It is described
Refrigerant processes module include refrigeration compressor 1, condenser 9 and the gas-liquid separator 2 that is connected on refrigeration compressor 1, institute
The condenser 9 stated is led including condenser conduction oil outlet 91, the condenser being connected with final stage heat exchanger conduction oil outlet 213
Deep fat entrance 92, condenser refrigerant outlet 93 and the condenser refrigerant inlet 94 being connected with refrigeration compressor 1, it is described
Device for drying and filtering 7, hot gas bypass valve 8 and expansion valve 6, described expansion valve 6 are connected with turn outside condenser refrigerant outlet 93
It is connected with evaporator refrigerant entrance 112, described gas-liquid separator 2 also exports 111 and heat with evaporator refrigerant respectively
Gas by-passing valve 8 is connected；Described conduction oil loop module includes heat conduction fuel tank 19 and is connected to outside the outlet of heat conduction fuel tank 19
Heat-transfer Oil Pump 18, the outlet of described Heat-transfer Oil Pump 18 is connected with final stage heat exchanger heat conduction oil-in 214, described heat conduction
The entrance of fuel tank 19 is connected with condenser conduction oil outlet 91.
The utility model also includes temperature control modules, and described temperature control modules include being arranged on low temperature dry air
The first electrically operated valve 13 between entrance 124 and evaporator air outlet 114, it is arranged on evaporator air outlet 114 and low temperature
The second electrically operated valve 24 and the electricity being connected in turn outside final stage heat exchanger air outlet slit 212 between dry air outlet 123
Heater 20 and temperature sensor 23；Pressure is provided between described condenser refrigerant outlet 93 and device for drying and filtering 7 to open
Close 10；Between the described gas-liquid separator 2 and evaporator refrigerant outlet 111 and outlet of Heat-transfer Oil Pump 18 and final stage heat are handed over
First pressure table 3 and second pressure table 16 are respectively arranged between parallel operation heat conduction oil-in 214；Described electric heater 20 goes out
Fine filter 22 is additionally provided with the outside of mouthful；Also set up between the entrance and condenser conduction oil outlet 91 of described heat conduction fuel tank 19
There is heat transfer oil filter 17.
The utility model is on the basis of traditional cooling driers, and built-in inlet air filter and outlet air filter is adopted
With conduction oil as heat transfer medium, the heat in condenser is reclaimed by heat exchanger, for outlet compressed air
Heated, so that electric energy is saved, the real-time monitoring temperature of temperature sensor of outlet, when temperature still can not reach setting temperature
When spending, automatic built-in electric heater carries out auxiliary heating, and heating process is exported using integral PID regulation, PWM is become, quickly
Accurately.
In use, the utility model includes below scheme：
1, compressed air handling process：
Source of the gas 4（Inlet compression air）After 75-90 DEG C of moist compressed air of input is by air cleaner 5, remove
Impurity in air, it is to avoid impurity causes heat exchanger effectiveness to reduce into rear class heat exchanger, subsequently into forecooling heat exchanger
12, occur heat exchange with 5-10 DEG C of low temperature drying compressed air coming from evaporator 11, the result is that from air cleaner 5
The compressed air of inflow obtains precooling, and temperature reduction, the compressed air come from evaporator 11 is preheated, temperature rise.In advance
Compressed air after cold enters back into evaporator 11, with the refrigerant in evaporator 11（Refrigerant）Generation is also further topmost
Heat exchange, temperature is greatly lowered, and compressed air reaches that dew point produces condensed water, and a small amount of oil vapour also condenses at low temperature,
Finally drained by point water air filtration valve group 14 and electric draining valve 15, so that dry purpose is reached, 5-10 DEG C obtained of low temperature
Drying compressed air enters above-mentioned forecooling heat exchanger 12, is exchanged heat as the refrigerant of forecooling heat exchanger 12, temperature liter
Gao Houzai is further heated by final stage heat exchanger 21, in heating process, and the compression of monitoring outlet in real time of temperature sensor 23 is empty
Temperature degree, starts the supplement heat energy of electric heater 20, makes output temperature stable immediately when the thermal source reclaimed from condenser 9 is inadequate
In setting value.
2, refrigerant processes flow：
The high-temperature liquid state come out from refrigeration compressor 1（Liquid phase）Refrigerant is input into condenser 9, with relative temperature
Heat exchange occurs for relatively low conduction oil, and conduction oil takes away heat, and sends into heat conduction fuel tank 19, so that the temperature drop of refrigerant
It is low, the liquid refrigerant of low temperature after device for drying and filtering 7 at expansion valve 6 because space increases suddenly, rapid spatial expansion
Vaporization, siphons away substantial amounts of heat in evaporator 11, and vapour liquid separator 2 is entered after vaporization and occurs gas-liquid separation, vaporized refrigerant enters
Refrigeration compressor 1 enters above-mentioned circulation.
3, conduction oil circulation process：
Conduction oil in heat conduction fuel tank 19 is exported to final stage heat exchanger 21 by Heat-transfer Oil Pump 18, and above-mentioned 5-10 DEG C is done
Dry compressed air is heated, and compressed air temperature rise, heat conduction oil temperature reduction, the conduction oil after cooling passes through condenser 9
Heat exchange is carried out with the refrigerant of liquid high temperature, the heat in refrigerant is siphoned away and sends into heat conduction fuel tank 19 and stored, wait
Heat-transfer Oil Pump 18 is pumped.
4, temperature controlled processes：
The compressed air temperature of the detection output of temperature sensor 23, is compared with setting value, by result of the comparison（Error
Value）Carry out becoming integral PID computing（Integral operation is decreased or turned off when error is larger, integral operation is introduced when error is smaller）, root
According to the dutycycle of the result regulation output pwm pulse of PID arithmetic, batch (-type) heating, it is ensured that the Stability and veracity of temperature.The
The effect of one electrically operated valve 13 and the second electrically operated valve 24 is that first electrically operated valve 13 is closed when setting temperature relatively low, second
Electrically operated valve 24 is opened, and the compressed air that evaporator 11 comes out is not by forecooling heat exchanger 12, and reduction is once heated, so as to drop
Low output temperature.
When strain expands culture in fermented bean dregs production, it is desirable to be passed through 34-36 DEG C of the compressed air temperature of seeding tank, compress
Air must not oil-containing and other impurities, using this freezing type drier without additionally increase pipeline heater and through filter（
It is built-in）, space is saved, used heat is fully used, reduces culturing room's environmental temperature fluctuation, reduce energy consumption, output is empty
Temperature degree is constant, helps lend some impetus to growth.
The utility model realizes efficient Waste Heat Reuse, the thermostatic control of output squeezing air, imports and exports double filtration
Integrated design, from energy-conserving and environment-protective, temperature control precisely efficiently, output squeezing be air-dried cleaning etc. it is several in terms of achieve it is prominent
It is broken.The utility model advantage is：It is energy-efficient, it is ensured that the temperature of output squeezing air is constant, while removing moisture removal, moreover it is possible to have
Effect removes the pollutants such as dust, the oil droplet in compressed air, and the utility model realizes efficient Waste Heat Reuse, output squeezing
Air thermostatic control, import and export double filtration integrated design, from energy-conserving and environment-protective, temperature control, precisely efficient, output squeezing is empty
Several aspects such as gas dried and clean achieve breakthrough.Energy-conservation and environmental protection are realized by Waste Heat Reuse, can be simultaneously using conduction oil heat accumulation
Improve heat utilization rate, the clean compressed air of the constant temperature of output is particularly suitable for use in pharmacy, the industry such as food, feed manufacturing
Microculture tank is supplied, or other occasions being had higher requirements to compressed air temperature and impurity provide solution.
The purpose of this utility model is to reduce the energy consumption in compressed air drying link, and constant temperature, dried and clean are provided for specific occasion
Compressed air.By the use of conduction oil as heat transfer medium, it is easy to thermal energy storage, and evaporating loss is difficult under operating mode.Will condensation
The used heat of device output is reclaimed and is stored in conduction oil by heat exchanger, then is pressed in outlet port by heat exchanger to outlet
Contracting air is heated, and realizes energy-conservation, while reducing the influence to environment temperature.Compressed air temperature is matched somebody with somebody using integral PID control is become
Pwm pulse formula electricity auxiliary heating is closed, output temperature is accurate.Built-in input filter, is carried out to the compressed air for entering heat exchanger
Purification, it is to avoid dust brings heat exchanger into, is attached on heat-exchange surface and influences heat exchange efficiency.Built-in outlet fine filter, to going out
A small amount of water that may be present, oil or other impurities are filtered in mouth air, it is ensured that the cleanliness of defeated compressed air.
Above-described embodiment only illustrative principle of the present utility model and its effect, and the embodiment that part is used,
For the person of ordinary skill of the art, on the premise of the utility model creation design is not departed from, if can also make
Dry modification and improvement, these belong to protection domain of the present utility model.
Claims (6)
1. a kind of freezing type drier, it is characterised in that：Including compressed air processing module, refrigerant processes module and conduction oil
Loop module；
Described compressed air processing module includes air cleaner（5）, forecooling heat exchanger（12）, evaporator（11）And final stage
Heat exchanger（21）, described forecooling heat exchanger（12）Including hot humid air intake（121）, hot humid air outlet slit
（122）, low temperature dry air entrance（124）With low temperature dry air outlet（123）, described evaporator（11）Including with high temperature
Humid air is exported（122）The evaporator air entrance being connected（113）And low temperature dry air entrance（124）It is connected
Evaporator air is exported（114）, evaporator refrigerant outlet（111）With evaporator refrigerant entrance（112）, described final stage heat
Exchanger（21）Including being exported respectively with evaporator air（114）And low temperature dry air outlet（123）The final stage heat being connected
Exchanger air intake（211）, final stage heat exchanger air outlet slit（212）, final stage heat exchanger conduction oil outlet（213）And end
Level heat exchanger heat conduction oil-in（214）, described evaporator air outlet（114）It is additionally provided with a point water air filtration valve group outside
（14）, described divides water air filtration valve group（14）On be provided with electric draining valve（15）；
Described refrigerant processes module includes refrigeration compressor（1）, condenser（9）Be connected to refrigeration compressor（1）On
Gas-liquid separator（2）, described condenser（9）Including condenser conduction oil outlet（91）, go out with final stage heat exchanger conduction oil
Mouthful（213）The condenser heat conduction oil-in being connected（92）, condenser refrigerant outlet（93）With with refrigeration compressor（1）It is connected
The condenser refrigerant inlet connect（94）, described condenser refrigerant outlet（93）It is connected with device for drying and filtering in turn outside（7）、
Hot gas bypass valve（8）And expansion valve（6）, described expansion valve（6）With evaporator refrigerant entrance（112）It is connected, it is described
Gas-liquid separator（2）Also exported respectively with evaporator refrigerant（111）And hot gas bypass valve（8）It is connected；
Described conduction oil loop module includes heat conduction fuel tank（19）Be connected to heat conduction fuel tank（19）Heat-transfer Oil Pump outside outlet
（18）, described Heat-transfer Oil Pump（18）Outlet and final stage heat exchanger heat conduction oil-in（214）It is connected, described conduction oil
Case（19）Entrance and condenser conduction oil outlet（91）It is connected.
2. a kind of freezing type drier according to claim 1, it is characterised in that described also including temperature control modules
Temperature control modules include be arranged on low temperature dry air entrance（124）Exported with evaporator air（114）Between first
Electrically operated valve（13）, be arranged on evaporator air outlet（114）Exported with low temperature dry air（123）Between the second motor-driven valve
Door（24）Be connected to final stage heat exchanger air outlet slit in turn（212）Outer electric heater（20）And temperature sensor（23）.
3. a kind of freezing type drier according to claim 2, it is characterised in that described condenser refrigerant outlet
（93）With device for drying and filtering（7）Between be provided with pressure switch（10）.
4. a kind of freezing type drier according to claim 3, it is characterised in that described gas-liquid separator（2）With steaming
Send out device refrigerant outlet（111）Between and Heat-transfer Oil Pump（18）Outlet and final stage heat exchanger heat conduction oil-in（214）It
Between be respectively arranged with first pressure table（3）With second pressure table（16）.
5. a kind of freezing type drier according to claim 4, it is characterised in that described electric heater（20）Outlet
Outside is additionally provided with fine filter（22）.
6. a kind of freezing type drier according to claim 5, it is characterised in that described heat conduction fuel tank（19）Entrance
With condenser conduction oil outlet（91）Between be additionally provided with heat transfer oil filter（17）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621448267.8U CN206315646U (en) | 2016-12-27 | 2016-12-27 | A kind of freezing type drier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621448267.8U CN206315646U (en) | 2016-12-27 | 2016-12-27 | A kind of freezing type drier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206315646U true CN206315646U (en) | 2017-07-11 |
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ID=59258955
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621448267.8U Active CN206315646U (en) | 2016-12-27 | 2016-12-27 | A kind of freezing type drier |
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| Country | Link |
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| CN (1) | CN206315646U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106731537A (en) * | 2016-12-27 | 2017-05-31 | 湖北邦之德牧业科技有限公司 | A kind of freezing type drier |
-
2016
- 2016-12-27 CN CN201621448267.8U patent/CN206315646U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106731537A (en) * | 2016-12-27 | 2017-05-31 | 湖北邦之德牧业科技有限公司 | A kind of freezing type drier |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201217 Address after: No. 517 Luoshi South Road, Donghu Development Zone, Wuhan, Hubei Province Patentee after: Bangzhide Livestock Breeding Science Co.,Ltd. Wuhan City Address before: 435000 Gangwan village, Jiangbei management area, huangshigang District, Huangshi City, Hubei Province Patentee before: HUBEI BROAD LIVE-STOCK SCIENCE AND TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |