Dried medium thermal process experimental apparatus for testing
Technical field
The utility model is a kind of dried medium thermal process experimental apparatus for testing, belongs to the test of working medium thermal technology's process characteristic
Engineering device technique field.
Background technique
Dry materials are usually to carry thermal energy by a certain number of working medium to heat material, the moisture for keeping it internal
It is diffused into surface to gasify again, the water vapour of generation is carried the process being discharged from drying equipment by working medium.This process needs
Consume a large amount of thermal energy, it is very big that dry materials energy consumption accounts for production total energy consumption specific gravity, such as the thermal energy of timber, veneer drying
Consumption accounts for 75% or more of plywood production whole energy consumption.Considered based on production cost, generally uses humid air, indifferent gas at present
Body is as dried medium.By the technique study variety classes working medium of experiment different type drying process thermal characteristics, it is right
In optimizing drying processing parameter, dry products quality is improved, realizes that dry materials energy-saving and emission-reduction have highly important finger
Lead meaning.
Utility model content
The utility model proposes a kind of dried medium thermal process experimental apparatus for testing, purpose is intended to pass through one kind
Compact-sized, stable working performance experimental provision is proposed, to dried medium in specific thermal technology's mistake such as warming and humidifying, cool-down dehumidification
The state parameters such as its temperature and humidity, wind speed are more accurately controlled and are tested in journey.It can also further study different
Air-supply and influence of the exhaust way to working medium thermal parameter.
The technical solution of the utility model:
Dried medium thermal process experimental apparatus for testing, including control panel, upper exhaust duct, lower ventilation shaft, Titanium packet
Formula evaporator 1, bending-type air hose 3, high Low Pressure gauge and high-low pressure protective relay 18, air-cooled condenser 20, refrigeration compressor 21,
Decompression expansion valve 24;Wherein, upper exhaust duct left end is connected by bending-type air hose 3 with lower ventilation shaft, and interface uses method
Orchid connection blend compounds washer sealing, upper exhaust duct lower right side are connected by rectifying orifice plate 11 with lower ventilation shaft, control panel
It is mounted between exhaust duct and lower ventilation shaft, Titanium packet mode evaporator 1, high Low Pressure gauge and high-low pressure protective relay 18,
Air-cooled condenser 20, refrigeration compressor 21 and decompression expansion valve 24 are mounted on the base under lower ventilation shaft;
Wherein, Titanium packet mode evaporator 1 respectively in lower ventilation shaft the area C temperature and humidity measurement meter 16, in lower ventilation shaft
Water recirculator 17, the water spray type dehumidifier 27 in lower ventilation shaft, high Low Pressure gauge and high-low pressure protective relay 18, wind
Cool condenser 20, refrigeration compressor 21 connect.
The beneficial effects of the utility model:
1)Easily and accurately to the air quantity of working medium during the typical thermal technology such as the warming and humidifying of dried medium, cool-down dehumidification,
The technological parameters such as temperature, humidity are tested, and provide basic data to study the drying process under different operating conditions.
2)It is stable and reliable in work equipped with heating and cooling, humidifier, it can be accurately to the air quantity of dried medium, temperature and humidity etc.
Parameter is controlled to adjust.
3)Accurately change the humid air mixed proportion of different parameters by mobile air door, realization is followed to single flow, again
A variety of different thermal process technological parameters such as ring type, hybrid accurately controlling and testing.
Detailed description of the invention
Attached drawing 1 is the structural schematic diagram of dried medium thermal process experimental apparatus for testing.
1 is Titanium packet mode evaporator in attached drawing, and 2 be blower, and 3 be bending-type air hose, and 4 be the area E temperature and humidity measurement meter, and 5 are
Differential manometer, 6 be air draft orifice flowmeter, and 7 be mobile air door, and 8 be differential manometer, and 9 be fresh air orifice flowmeter, and 10 be the area A temperature
Moisture meter, 11 be rectification orifice plate, and 12 be the area B temperature and humidity measurement meter, and 13 be control panel, and 14 be heat riser, and 15 are
Humidifier is steamed, 16 be the area C temperature and humidity measurement meter, and 17 be water recirculator, and 18 be high Low Pressure gauge and high-low pressure protection relay
Device, 19 be steam evaporator, and 20 be air-cooled condenser, and 21 be refrigeration compressor, and 22 be chilled water flow meter, and 23 be chilled water
Pump, 24 be decompression expansion valve, and 25 be cascade, and 26 be the area D temperature and humidity measurement meter, and 27 be water spray type dehumidifier.
Specific embodiment
Dried medium thermal process experimental apparatus for testing, including control panel, upper exhaust duct, lower ventilation shaft, Titanium packet
Formula evaporator 1, bending-type air hose 3, high Low Pressure gauge and high-low pressure protective relay 18, air-cooled condenser 20, refrigeration compressor 21,
Decompression expansion valve 24;Wherein, upper exhaust duct left end is connected by bending-type air hose 3 with lower ventilation shaft, and interface uses method
Orchid connection blend compounds washer sealing, upper exhaust duct lower right side are connected by rectifying orifice plate 11 with lower ventilation shaft, control panel
It is mounted between exhaust duct and lower ventilation shaft, Titanium packet mode evaporator 1, high Low Pressure gauge and high-low pressure protective relay 18,
Air-cooled condenser 20, refrigeration compressor 21 and decompression expansion valve 24 are mounted on the base under lower ventilation shaft;
Wherein, the A interface of Titanium packet mode evaporator 1 by pipeline respectively with the water recirculator 17 in lower ventilation shaft
The B interface of A interface, the connection of lower ventilation shaft, Titanium packet mode evaporator 1 is drenched with two in lower ventilation shaft respectively by A pipeline
The B interface of water recirculator 17 in ability of swimming dehumidifier 27, lower ventilation shaft connects, and the A pipeline is equipped with chilled water flow
Meter 22, chilled water pump 23, two water spray type dehumidifiers 27 are respectively arranged on 17 two sides of water recirculator;Titanium packet mode evaporator 1
C interface connect with the A interface of air-cooled condenser 20 by B pipeline, the B pipeline is equipped with decompression expansion valve 24, freezes and presses
The B interface of contracting machine 21 by pipeline respectively with the B interface of air-cooled condenser 20, high Low Pressure gauge and high-low pressure protective relay 18
A of the B interface of the connection of A interface, high Low Pressure gauge and high-low pressure protective relay 18 by pipeline respectively with refrigeration compressor 21 connects
The D interface connection of mouth, Titanium packet mode evaporator 1.Junction portion is sealed by the way of welding.
The area E temperature and humidity measurement meter 4, air draft orifice flowmeter 6, movement are successively arranged in the upper exhaust duct from left to right
Formula air door 7, the area A temperature and humidity measurement meter 10 and fresh air orifice flowmeter 9, upper exhaust duct upper surface are equipped with 2 differential manometers.
The 9 flow velocity measured hole of fresh air orifice flowmeter is mounted in upper exhaust duct close to air inlet, the area A temperature and humidity measurement
10 insertion of meter is located in the instrument connection at upper exhaust duct fresh air inlet, and the insertion of the area E temperature and humidity measurement meter 4 is located at upper exhaust duct
In instrument connection at wind exhausting outlet, 6 flow velocity measured hole of air draft orifice flowmeter is mounted in upper exhaust duct at exhaust door,
The movable type air door 7 is mounted at upper exhaust duct exhaust outlet by hinge, and damper passes through sliding rail to outer
Inwardly do the rotation of 0-90 degree.
Single flow blower 2, A heat riser, the area D temperature and humidity measurement meter are successively arranged in the lower ventilation shaft from left to right
26, A cascade 25, water spray type dehumidifier 27, water recirculator 17, the area C temperature and humidity measurement meter 16, steam-injection humidifier 15, B heating
Device 14, B cascade, the area B temperature and humidity measurement meter 12.
The steam-injection humidifier 15 is connect by pipeline with steam generator 19.
Technical solutions of the utility model are described further with reference to the accompanying drawing.
Attached drawing 1, dried medium thermal process experimental apparatus for testing are compareed, structure is that single flow blower 2 is connected by bolt
It connects and is mounted on the left of the experimental channel of experimental provision lower half, dried medium parameter temperature and humidity measurement meter 4,10,12,16,26 is distinguished
It is installed at fresh air inlet, at wind exhausting outlet, in conditioning experiment pipeline section, temperature and relative humidity is inserted into instrument connection, heating
Device 14 and circulating water cooling device 17 are mounted in the pipeline of experimental provision lower half, by electrically heated mode to working medium liter
Temperature accurately controls medium temperature by changing heating power, is cooled down by circulated refrigerated water to air.Steam humidification
Device 15 is connected by pipeline with steam generator 19, sprays into a certain number of water vapours in humidification into Working fluid flow pipeline
To increase working medium humidity, adjusting steam generator power can control the humidification amount to dried medium, and water drenching moisture separator 27 is located at
On the pipeline of experimental provision lower half, be connected by water pipe with chilled water pump 23, control panel be mounted on upper and lower half pipeline it
Between, blast regulator, heating voltage, ammeter are housed on panel, humidify voltage, ammeter, water pump, blower, compressor switch,
9 flow velocity measured hole of fresh air orifice flowmeter mounted in the upper half of experimental provision close to air inlet, survey by 6 flow velocity of air draft orifice flowmeter
For metering-orifice mounted in the upper half of experimental provision at exhaust door, experimental provision lower half ventilation shaft passes through bending-type air hose 3
It is connected with upper half exhaust duct, interface is connected and is sealed using rubber gasket using flange, helical-lobe compressor 21, air-cooled condensation
Device 20, decompression expansion valve 24, titanium packet evaporator 1 are sequentially connected on the base being mounted below the pipeline of experimental provision lower half, are moved
Dynamic formula air door 7 is bolted at the exhaust outlet for being mounted on upper half pipeline, and damper can be by sliding rail to outside to inside
The rotation of 0-90 degree is done, the adjusting by rotating angle can control the ratio of fresh air volume and return air amount.
Embodiment 1
Dried medium thermal process experimental apparatus for testing work when, working medium single flow blower drive from experimental channel
Half portion enters experimental provision at the rightmost side, flows into experimental channel lower half control and regulation area by rectification orifice plate.In warming and humidifying
In the process, it opens electric heating heat riser to heat working medium, Temperature of Working is adjusted by electrical heating power;Added by steaming
Wet device sprays into a certain number of water vapours into Working fluid flow pipeline to increase working medium humidity, and adjusting steam generator power can be with
Control the humidification amount to dried medium.In cooling and dehumidification thermal process, compressor and chilled water pump are opened, recirculated water is in water pump
Driving under first pass through the cooled cooling of titanium packet evaporator and form chilled water, be sent into water recirculator later and working medium carried out
It cools.A small amount of moisture is sprayed into working medium by water spray type device to reduce working medium humidity, water drenching amount is controlled using flow valve.
Adjusted treated working medium by after bending air hose through by mobile air door, a part discharge, another part and fresh air mixing
It is re-fed into experimental provision and is adjusted.Fresh air and the mixing ratio of return air are controlled by the opening angle of mobile air door
System.Damper closure, working medium streamer mode are recirculation type;Damper opens 90 degree inside, and working medium streamer mode is straight
Streaming.