CN108738497A - A kind of uniform dry heat sterilization processing equipment of seed and control method - Google Patents
A kind of uniform dry heat sterilization processing equipment of seed and control method Download PDFInfo
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- CN108738497A CN108738497A CN201810598427.4A CN201810598427A CN108738497A CN 108738497 A CN108738497 A CN 108738497A CN 201810598427 A CN201810598427 A CN 201810598427A CN 108738497 A CN108738497 A CN 108738497A
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- 230000001954 sterilising effect Effects 0.000 title claims abstract description 29
- 238000004659 sterilization and disinfection Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000010438 heat treatment Methods 0.000 claims abstract description 20
- 238000007599 discharging Methods 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 230000007423 decrease Effects 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 4
- 230000008713 feedback mechanism Effects 0.000 claims description 3
- 230000000737 periodic effect Effects 0.000 claims description 3
- 238000004321 preservation Methods 0.000 claims 2
- 125000004122 cyclic group Chemical group 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 241000894006 Bacteria Species 0.000 description 3
- 241000700605 Viruses Species 0.000 description 3
- 201000010099 disease Diseases 0.000 description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 3
- 238000012376 hot air sterilization Methods 0.000 description 3
- 231100000518 lethal Toxicity 0.000 description 3
- 230000001665 lethal effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 244000052769 pathogen Species 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 241000233866 Fungi Species 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001717 pathogenic effect Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 241000219112 Cucumis Species 0.000 description 1
- 235000015510 Cucumis melo subsp melo Nutrition 0.000 description 1
- FJJCIZWZNKZHII-UHFFFAOYSA-N [4,6-bis(cyanoamino)-1,3,5-triazin-2-yl]cyanamide Chemical compound N#CNC1=NC(NC#N)=NC(NC#N)=N1 FJJCIZWZNKZHII-UHFFFAOYSA-N 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000000527 sonication Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C1/00—Apparatus, or methods of use thereof, for testing or treating seed, roots, or the like, prior to sowing or planting
- A01C1/08—Immunising seed
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Pretreatment Of Seeds And Plants (AREA)
Abstract
The present invention is a kind of uniform dry heat sterilization processing equipment of seed and control method, by shell, seed cyclic delivery system, temperature and humidity adjustment system, seed, uniformly xeothermic system, intelligent controller, temperature sensor, humidity sensor and associated components form, control heating temperature can be made to change according to the temperature-time curve for the number of presetting, it can realize that seed local environment temperature is uniform simultaneously, and realize being precisely controlled for different location temperature during temperature change.The present invention handle seed temperature is consistent, sterilizing thoroughly, it is temperature precise control, efficient, easy to operate, the dry heat treatment of various seeds, wide adaptability can be met.
Description
Technical field
The present invention is to be related to seed processing technology field, the uniform dry heat sterilization processing equipment of specifically a kind of seed and
Control method.
Background technology
Seed may be all invaded by a variety of pathogens from harvesting, transport into storage process, and the seed to carry disease germs becomes
The main primary source of infection in seedling stage and Adult plant disease, causes damages to production.At present China in terms of seed treatment mostly with chemistry
Based on method, due to some traditional chemical pesticides and its method for treating seeds（Seed soaking, seed dressing）Abuse, cause a large amount of low
The medicament of effect high risk enters field, causes preventive effect decline, field poisoning generation and environmental pollution, is brought sternly to agricultural production
The influence of weight.
In order to overcome the problems, such as that seed dispersal germ in production, the physical disinfection technology of seed are widely used in producing
In.People constantly explore effective seed physical disinfection technology to the seed processing technology in China in the actual production process, some
Such as hot water treatment of seeds, hot air sterilization, laser, electric power, electromagnetic wave, sonication and nuclear radiation processing sterilization method occur in succession,
Gradual extensive use in seed treatment processes, wherein hot air sterilization then can more effectively inhibit fungi, bacterium and virus etc. raw
The activity of object is relatively effective physical disinfection technology.
There are different lethal conditions, the lethal temperature of wherein disease fungus to be generally 60~70 DEG C for different pathogens
Processing 20~40 minutes, pathogenetic bacteria and virus lethal temperature be generally 65~70 DEG C processing 72 hours or longer time, this
A little conditions have differences because the type of infected seed is different with institute band pathogen, thus in seed hot air sterilization, generally need
It is heated slowly to 70 DEG C or so, while a period of time is kept the temperature in several temperature spots, in order to keep seed activity, when cooling will also be delayed
Slow-motion row.
Currently without the equipment dedicated for dry heat treatment, generally replaced with a conventional oven or drying machine.Seed is placed on
On pallet, seed is superimposed, and can not stir, and causes every seed temperature inconsistent, sterilizing is not thorough.The temperature general used time
Between or manual control, temperature controlled accuracy it is poor.Factors above all affects dry heat treatment effect.
In conclusion existing seed dry heat treatment technology and equipment is primarily present, seed temperature is inconsistent, sterilizing is not thorough,
The problems such as temperature accuracy is poor, efficiency is low, complicated for operation.
Invention content
The technical problem to be solved in the present invention is to provide a kind of uniform dry heat sterilization processing equipment of seed and control method, energy
Enough solve during current seed dry heat treatment that seed temperature is inconsistent, sterilizing is not thorough, temperature accuracy is poor, efficiency is low, behaviour
Make complicated problem.
In order to solve the above technical problems, the technical solution adopted by the present invention is：
A kind of uniform dry heat sterilization processing equipment of seed, it is characterized in that：It is followed including shell, tray carriage, diversion heating device, air-flow
Loop system, humidity-discharging device and inlet duct, the shell vertical section are rectangle, and the front of the shell is provided with can
The door of opened/closed is provided with humidity-discharging device and inlet duct at the top of the shell；
Diversion heating device is installed, the diversion heating device includes that two panels is vertically arranged and mutually puts down in the shell
Capable air-flow guide panel is provided with several deflectors in the air-flow guide panel, and deflector is fixed on by shaft
In air-flow guide panel, top plate is installed at the top of the air-flow guide panel, the top plate top edge is equipped with cycle
Fan, the circulating fan are sequentially connected with circulating fan, and the circulating fan is fixedly mounted on the lateral surface of shell, institute
The enclosure interior stated is equipped with primary heater and several auxiliary heaters, and the primary heater is fixedly mounted on any one gas
The lateral surface of guide panel is flowed, the auxiliary heater is fixedly mounted on the medial surface of two panels air-flow guide panel, every gas
Flow several auxiliary heaters spaced set in the vertical direction in guide panel；
Slidable tray carriage is provided between the two panels air-flow guide panel, the tray carriage may pass through shell front
Door pass in and out shell, the both sides of the tray carriage are provided with tray supporter, if removably being installed on the tray supporter
A dry seed trays, each seed trays are horizontally disposed, several seed trays spaced set in the vertical direction, described
Several pallet stomatas are provided on seed trays bottom plate, the bottom plate lower surface of the seed trays is equipped with vibrating disk, described
Seed trays in be contained with xeothermic seed, the center of the seed trays is provided with temperature and relative humidity, described
Samming wind turbine is installed, the samming wind turbine is fixedly mounted on the bottom plate of shell below tray carriage；
The side exterior surface of the shell is provided with control cabinet, and control unit, the control are equipped in the control cabinet
The signal input part of unit processed is connect with temperature and relative humidity, the signal output end of the control unit with humidity-discharging device, into
Device of air, circulating fan, samming wind turbine, primary heater are connected with auxiliary heater；
The humidity-discharging device can reduce the humidity in shell；
The inlet duct can input cold dry air into shell.
The shell inner surface is equipped with insulating layer, and the doorframe edge of the door is equipped with sealing strip.
The bottom surface both side of the tray carriage is mounted on wheel, and the height of the wheel is more than the height of samming wind turbine
Degree.
The air-flow guide panel includes the first air-flow guide panel and the second air-flow guide panel, the circulated air
The outlet air surface of fan and the first air-flow guide panel are located on same perpendicular, and the setting of the air inlet of the circulating fan is the
Between one air-flow guide panel and inner walls.
The lateral surface in the second air-flow guide panel, the primary heater height and pallet is arranged in the primary heater
Height is identical, and the primary heater and auxiliary heater are infrared heater.
It is connected by deflector connecting rod between several deflectors for being arranged in the air-flow guide panel are adjacent, air-flow
The deflector of guide panel end is connect with deflector motor drive, and the water conservancy diversion board motor can drive the deflector of end to turn
Dynamic, the water conservancy diversion board motor is fixedly mounted on air-flow guide panel end sides.
The samming wind turbine is vertically arranged, and the air-out direction of the samming wind turbine is mutually perpendicular to seed trays.
A kind of control method of the uniform dry heat sterilization processing equipment of seed, it is characterised in that：It is as follows：
Step 1, xeothermic seed is placed in seed trays, seed trays is fixedly mounted on tray supporter, by tray carriage
It is pushed into shell, vibrating disk and temperature and relative humidity is established into signal by signal connecting line with control unit and connect；
Step 2, door is closed, xeothermic Time-temperature controlling curve, humidity and vibrating disk time of vibration are inputted into control unit
The parameter at interval, and the system that brings into operation；
Step 3, heat temperature raising stage, temperature and relative humidity establish signal feedback mechanism, circulating fan, hydrofuge with control unit
Device, primary heater and auxiliary heater start, and air deflector continues in horizontality and quickly improves seed trays
The environment temperature of top persistently reduces the humidity in shell, when the environment temperature above seed trays is close to holding temperature, closes
Primary heater is closed, the rotating speed of circulating fan is reduced, according to the temperature and wet of each seed trays center temperature and relative humidity feedback
Degrees of data, and then adjust the working condition of auxiliary heater and the angle of deflector；
At this point, each seed trays central temperature is respectively less than holding temperature, when seed trays central temperature and holding temperature gap
When smaller, increase the horizontal direction angle of deflector, until seed trays central temperature reaches holding temperature and closes auxiliary heating
Device；When seed trays central temperature and holding temperature gap are larger, reduce the horizontal direction angle of deflector；
Step 4, holding stage maintains holding temperature setting time；When each seed trays central temperature reaches holding temperature
When, samming wind turbine is opened, keeps the seed trays temperature of upper, middle and lower position uniform, at the same time, when some seed trays temperature
The working condition of the corresponding auxiliary heater in adjustment horizontal position and the angle of deflector when degree reduces；
When seed trays central temperature is less than holding temperature, opens the corresponding auxiliary heater in horizontal position and reduce deflector
With the angle of horizontal plane the corresponding auxiliary heater in horizontal position is closed when seed trays central temperature restores holding temperature
And increase the angle of deflector and horizontal plane；
Step 5, temperature-fall period closes primary heater and auxiliary heater, opens inlet duct, circulating fan and samming wind turbine,
According to the decrease speed of seed trays central temperature, the angle of deflector is adjusted；
When the decrease speed of seed trays central temperature is very fast, increase the angle of deflector and horizontal plane, when in seed trays
When the decrease speed of heart temperature is slower, reduce the angle of deflector and horizontal plane；
Step 6, when the processing operation for completing a batch by xeothermic Time-temperature controlling curve, system autostop is simultaneously sent out
Complete signal.
The vibrating disk of seed trays bottom periodic perturbations during step 2 ~ 5.
What a kind of uniform dry heat sterilization processing equipment of seed and control method can reach has the beneficial effect that：The application institute is public
The device structure opened is novel in design, using vibrating disk seed is recycled and stirs, avoid being stacked.Utilize adjustable angle
Spend deflector and samming wind turbine so that spatial points uniformity of temperature profile, the uniformity of temperature when realizing dry heat treatment.Using
Intelligent control technology, it is intelligent control circulating fan, primary heater, auxiliary according to xeothermic Time-temperature controlling curve, humidity requirement
Heater, samming wind turbine, water conservancy diversion board motor, vibrating disk, humidity-discharging device, inlet duct operation are helped, and primary heater, auxiliary add
Hot device is adjustable, it is ensured that entire shell body temperature is precisely controlled.The setting of air-flow guide panel makes to form in shell
Complete air duct, circulating current are blown out from case top, and seed trays are passed through after primary heater, enter cycle in the other side
Wind turbine.Present treatment equipment processing seed temperature is consistent, sterilizing thoroughly, it is temperature precise control, efficient, easy to operate, can meet
The dry heat treatment of various seeds, wide adaptability.The processing of the high added values seed such as various vegetables, melon and fruit is can be widely used for, can be had
Effect kills various worms, bacterium and the virus entrained by seed, and processing terminates to plant, and any pollution will not be caused to environment,
With good economic value and social value.
Description of the drawings
Fig. 1 is a kind of structure principle chart of the uniform dry heat sterilization processing equipment of seed of the present invention.
Fig. 2 is a kind of structure principle chart of the uniform dry heat sterilization processing equipment seed trays of seed of the present invention.
Fig. 3 is a kind of structure principle chart of the uniform dry heat sterilization processing equipment deflector of seed of the present invention.
Fig. 4 is dry heat treatment temperature control curve when a kind of uniform dry heat sterilization processing equipment of seed of the present invention works.
Marginal data：1, xeothermic seed；2, primary heater；3, auxiliary heater；4, seed trays；5, circulating current；6,
Temperature Humidity Sensor；7, samming wind turbine；8, wheel；9, tray carriage；10, vibrating disk；11, tray supporter；12, deflector；13, it protects
Warm layer；14, control cabinet；15, circulating fan；16, inlet duct；17, humidity-discharging device；18, shell；19, pallet stomata；20, it leads
Flowing plate motor；21, deflector connecting rod.
Specific implementation mode
Below in conjunction with Figure of description and specific preferred embodiment, the invention will be further described.
A kind of uniform dry heat sterilization processing equipment of seed, it is characterized in that：Including shell 18, tray carriage 9, diversion heating dress
It sets, airflow circulating system, humidity-discharging device 17 and inlet duct 16,18 vertical section of shell are rectangle, the shell
The front of body 18 be provided with can opened/closed door, the top of the shell 18 is provided with humidity-discharging device 17 and inlet duct
16；
Diversion heating device is installed, the diversion heating device includes that two panels is vertically arranged and mutually in the shell 18
Parallel air-flow guide panel is provided with several deflectors 12 in the air-flow guide panel, and deflector 12 passes through shaft
It is fixed in air-flow guide panel, top plate, top plate top edge installation is installed at the top of the air-flow guide panel
There are circulating fan, the circulating fan to be sequentially connected with circulating fan 15, the circulating fan 15 is fixedly mounted on shell
18 lateral surface is equipped with primary heater 2 and several auxiliary heaters 3, the primary heater 2 inside the shell 18
It is fixedly mounted on the lateral surface of any one air-flow guide panel, the auxiliary heater 3 is fixedly mounted on two panels air-flow guiding
The medial surface of panel, several auxiliary heaters 3 in every air-flow guide panel spaced set in the vertical direction；
Slidable tray carriage 9 is provided between the two panels air-flow guide panel, the tray carriage 9 may pass through shell 18
Positive door passes in and out shell 18, and the both sides of the tray carriage 9 are provided with tray supporter 11, removable on the tray supporter 11
Several seed trays 4 of the installation unloaded, each seed trays 4 are horizontally disposed, between several seed trays 4 wait in the vertical direction
Away from setting, several pallet stomatas 19, the bottom plate lower surface of the seed trays 4 are provided on 4 bottom plate of seed trays
Vibrating disk 10 is installed, xeothermic seed 1, the center setting of the seed trays 4 are contained in the seed trays 4
There are temperature and relative humidity 6, the lower section of the tray carriage 9 that samming wind turbine 7 is installed, the samming wind turbine 7 is fixedly mounted on
On the bottom plate of shell 18；
The side exterior surface of the shell 18 is provided with control cabinet 14, is equipped with control unit in the control cabinet 14, institute
The signal input part for the control unit stated is connect with temperature and relative humidity 6, the signal output end and hydrofuge of the control unit
Device 17, inlet duct 16, circulating fan 15, samming wind turbine 7, primary heater 2 and auxiliary heater 3 connect；
The humidity-discharging device 17 can reduce the humidity in shell 18；
The inlet duct 16 can input cold dry air into shell 18.
In the present embodiment, 18 inner surface of shell is equipped with insulating layer 13, and the doorframe edge of the door is equipped with sealing strip,
It can ensure door in closed state, the sealing of doorframe edge.
In the present embodiment, the bottom surface both side of tray carriage 9 is mounted on wheel 8, and the height of the wheel 8 is more than equal warm air
The height of machine 7, samming wind turbine 7 during the work time can reach unanimity the environment temperature of each seed trays 4.
In the present embodiment, air-flow guide panel includes the first air-flow guide panel and the second air-flow guide panel, described
The outlet air surface of circulating fan and the first air-flow guide panel are located on same perpendicular, and the air inlet of the circulating fan is set
It sets between 18 inner wall of the first air-flow guide panel and shell, the setting of the first air-flow guide panel and the second air-flow guide panel
Make to form air duct in shell 18, circulating current 5 is blown out from 18 inner top of shell, and seed trays are passed through after primary heater 2
4, enter circulating fan 15 in the other side.
In the present embodiment, the lateral surface in the second air-flow guide panel is arranged in primary heater 2, and the primary heater 2 is high
Degree is identical as 9 height of tray carriage, and the primary heater 2 and auxiliary heater 3 is infrared heater.
In the present embodiment, by deflector connecting rod 21 between several deflectors 12 for being arranged in air-flow guide panel are adjacent
Connection, deflector 12 and the water conservancy diversion board motor 20 of air-flow guide panel end are sequentially connected, and the water conservancy diversion board motor 20 can band
The deflector 12 in moved end portion rotates, and the water conservancy diversion board motor 20 is fixedly mounted on air-flow guide panel end sides.
In the present embodiment, samming wind turbine 7 is vertically arranged, and the air-out direction and seed trays 4 of the samming wind turbine 7 are mutual
Vertically.
In the present embodiment, the control unit in control cabinet 14 by touch screen or inputs key-press input time-temperature curve,
Wherein control unit is PLC controller.
A kind of control method of the uniform dry heat sterilization processing equipment of seed, it is characterised in that：It is as follows：
Step 1, xeothermic seed 1 is placed in seed trays 4, seed trays 4 is fixedly mounted on tray supporter 11, will held in the palm
Jiggering 9 is pushed into shell 18, and vibrating disk 10 and temperature and relative humidity 6 are established with control unit by signal connecting line and believed
Number connection；
Step 2, door is closed, when inputting xeothermic Time-temperature controlling curve, humidity and the vibration of vibrating disk 10 into control unit
Between the parameter that is spaced, and the system that brings into operation；
Step 3, heat temperature raising stage, temperature and relative humidity 6 establish signal feedback mechanism, circulating fan 15, row with control unit
Wet device 17, primary heater 2 and auxiliary heater 3 start, and deflector 12 is in horizontality, continue and quickly improve
The environment temperature of 4 top of seed trays, persistently reduces the humidity in shell 18, when the environment temperature of 4 top of seed trays is close
When holding temperature, primary heater 2 is closed, reduces the rotating speed of circulating fan 15, is passed according to 4 center epidemic disaster of each seed trays
The temperature and humidity data that sensor 6 is fed back, and then adjust the working condition of auxiliary heater 3 and the angle of deflector 12；
At this point, 4 central temperature of each seed trays is respectively less than holding temperature, when 4 central temperature of seed trays and holding temperature are poor
Away from it is smaller when, increase deflector 12 horizontal direction angle, until 4 central temperature of seed trays reach holding temperature close auxiliary
Heater 3；When 4 central temperature of seed trays and holding temperature gap are larger, reduce the horizontal direction angle of deflector 12；
Step 4, holding stage maintains holding temperature setting time；When 4 central temperature of each seed trays reaches holding temperature
When, samming wind turbine 7 is opened, keeps 4 temperature of seed trays of upper, middle and lower position uniform, at the same time, when some seed trays 4
The working condition of the corresponding auxiliary heater in adjustment horizontal position 3 and the angle of deflector 12 when temperature reduces；
When 4 central temperature of seed trays is less than holding temperature, opens the corresponding auxiliary heater 3 in horizontal position and reduce water conservancy diversion
The angle of plate 12 and horizontal plane is closed the corresponding auxiliary in horizontal position and is added when 4 central temperature of seed trays restores holding temperature
Hot device 3 and the angle for increasing deflector 12 and horizontal plane；
Step 5, temperature-fall period closes primary heater 2 and auxiliary heater 3, opens inlet duct 16, circulating fan 15 and samming
Wind turbine 7 adjusts the angle of deflector 12 according to the decrease speed of 4 central temperature of seed trays；
When the decrease speed of 4 central temperature of seed trays is very fast, increases the angle of deflector 12 and horizontal plane, work as seed trays
When the decrease speed of 4 central temperatures is slower, reduce the angle of deflector 12 and horizontal plane；
Step 6, when the processing operation for completing a batch by xeothermic Time-temperature controlling curve, system autostop is simultaneously sent out
Complete signal.
The vibrating disk 10 of 4 bottom of seed trays periodic perturbations during step 2 ~ 5.
The above is only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
All technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
For those of ordinary skill, several improvements and modifications without departing from the principles of the present invention should be regarded as the protection of the present invention
Range.
Claims (9)
1. a kind of uniform dry heat sterilization processing equipment of seed, it is characterized in that：Including shell（18）, tray carriage（9）, diversion heating dress
It sets, airflow circulating system, humidity-discharging device（17）And inlet duct（16）, the shell（18）Vertical section is rectangle, institute
The shell stated（18）Front be provided with can opened/closed door, the shell（18）Top be provided with humidity-discharging device
（17）And inlet duct（16）；
The shell（18）Diversion heating device is inside installed, the diversion heating device includes that two panels is vertically arranged and phase
Mutually parallel air-flow guide panel is provided with several deflectors in the air-flow guide panel（12）, deflector（12）It is logical
It crosses shaft to be fixed in air-flow guide panel, top plate, the top plate top surface side is installed at the top of the air-flow guide panel
Edge is equipped with circulating fan, the circulating fan and circulating fan（15）It is sequentially connected, the circulating fan（15）It is fixed
Mounted on shell（18）Lateral surface, the shell（18）Inside is equipped with primary heater（2）With several auxiliary heaters
（3）, the primary heater（2）It is fixedly mounted on the lateral surface of any one air-flow guide panel, the auxiliary heater（3）
It is fixedly mounted on the medial surface of two panels air-flow guide panel, several auxiliary heaters in every air-flow guide panel（3）?
Spaced set on vertical direction；
It is provided with slidable tray carriage between the two panels air-flow guide panel（9）, the tray carriage（9）It may pass through shell
Body（18）Positive door passes in and out shell（18）, the tray carriage（9）Both sides be provided with tray supporter（11）, the pallet
Holder（11）On several seed trays are removably installed（4）, each seed trays（4）It is horizontally disposed, several seed supports
Disk（4）Spaced set in the vertical direction, the seed trays（4）Several pallet stomatas are provided on bottom plate（19）, institute
The seed trays stated（4）Bottom plate lower surface vibrating disk is installed（10）, the seed trays（4）Inside it is contained with xeothermic seed
（1）, the seed trays（4）Center be provided with temperature and relative humidity（6）, the tray carriage（9）Lower section peace
Equipped with samming wind turbine（7）, the samming wind turbine（7）It is fixedly mounted on shell（18）Bottom plate on；
The shell（18）Side exterior surface be provided with control cabinet（14）, the control cabinet（14）It is single that control is inside installed
Member, the signal input part and temperature and relative humidity of the control unit（6）Connection, the signal output of the control unit
End and humidity-discharging device（17）, inlet duct（16）, circulating fan（15）, samming wind turbine（7）, primary heater（2）It is heated with auxiliary
Device（3）Connection；
The humidity-discharging device（17）Shell can be reduced（18）Interior humidity；
The inlet duct（16）It can be to shell（18）Interior input cold dry air.
2. the uniform dry heat sterilization processing equipment of a kind of seed according to claim 1, it is characterised in that：The shell
（18）Inner surface is equipped with insulating layer（13）, the doorframe edge of the door is equipped with sealing strip.
3. the uniform dry heat sterilization processing equipment of a kind of seed according to claim 1, it is characterised in that：The tray carriage
（9）Bottom surface both side be mounted on wheel（8）, the wheel（8）Height be more than samming wind turbine（7）Height.
4. the uniform dry heat sterilization processing equipment of a kind of seed according to claim 1, it is characterised in that：The air-flow is led
Include the first air-flow guide panel and the second air-flow guide panel, the outlet air surface of the circulating fan and the first air-flow to panel
Guide panel is located on same perpendicular, and the air inlet of the circulating fan is arranged in the first air-flow guide panel and shell
（18）Between inner wall.
5. the uniform dry heat sterilization processing equipment of a kind of seed according to claim 4, it is characterised in that：The main heating
Device（2）Lateral surface in the second air-flow guide panel, the primary heater are set（2）Height and tray carriage（9）It is highly identical,
The primary heater（2）And auxiliary heater（3）It is infrared heater.
6. the uniform dry heat sterilization processing equipment of a kind of seed according to claim 1, it is characterised in that：The air-flow is led
Several deflectors being arranged on panel（12）Pass through deflector connecting rod between adjacent（21）Connection, air-flow guide panel end
Deflector（12）With water conservancy diversion board motor（20）It is sequentially connected, the water conservancy diversion board motor（20）The deflector of end can be driven
（12）Rotation, the water conservancy diversion board motor（20）It is fixedly mounted on air-flow guide panel end sides.
7. the uniform dry heat sterilization processing equipment of a kind of seed according to claim 1, it is characterised in that：The equal warm air
Machine（7）It is vertically arranged, the samming wind turbine（7）Air-out direction and seed trays（4）It is mutually perpendicular to.
8. a kind of a kind of control method of the uniform dry heat sterilization processing equipment of seed as described in claim 1, it is characterised in that：
It is as follows：
Step 1, by xeothermic seed（1）It is placed on seed trays（4）On, by seed trays（4）It is fixedly mounted on tray supporter
（11）On, by tray carriage（9）It is pushed into shell（18）It is interior, by vibrating disk（10）And temperature and relative humidity（6）It is logical with control unit
It crosses signal connecting line and establishes signal connection；
Step 2, door is closed, xeothermic Time-temperature controlling curve, humidity and vibrating disk are inputted into control unit（10）Vibration
The parameter of time interval, and the system that brings into operation；
Step 3, heat temperature raising stage, temperature and relative humidity（6）Signal feedback mechanism, circulating fan are established with control unit
（15）, humidity-discharging device（17）, primary heater（2）And auxiliary heater（3）Start, deflector（12）In horizontality, hold
Continue and quickly improves seed trays（4）The environment temperature of top, persistently reduces shell（18）Interior humidity, works as seed trays
（4）When the environment temperature of top is close to holding temperature, primary heater is closed（2）, reduce circulating fan（15）Rotating speed, according to every
A seed trays（4）Center temperature and relative humidity（6）The temperature and humidity data of feedback, and then adjust auxiliary heater（3）'s
Working condition and deflector（12）Angle；
At this point, each seed trays（4）Central temperature is respectively less than holding temperature, works as seed trays（4）Central temperature and heat preservation temperature
When degree gap is smaller, increase deflector（12）Horizontal direction angle, until seed trays（4）Central temperature reaches holding temperature
Close auxiliary heater（3）；Work as seed trays（4）When central temperature is larger with holding temperature gap, reduce deflector（12）'s
Horizontal direction angle；
Step 4, holding stage maintains holding temperature setting time；When each seed trays（4）Central temperature reaches heat preservation temperature
When spending, samming wind turbine is opened（7）, make the seed trays of upper, middle and lower position（4）Temperature is uniform, at the same time, when some kind
Sub- pallet（4）The corresponding auxiliary heater in adjustment horizontal position when temperature reduces（3）Working condition and deflector（12）'s
Angle；
Work as seed trays（4）When central temperature is less than holding temperature, the corresponding auxiliary heater in horizontal position is opened（3）And reduce
Deflector（12）With the angle of horizontal plane, work as seed trays（4）When central temperature restores holding temperature, closes horizontal position and correspond to
Auxiliary heater（3）And increase deflector（12）With the angle of horizontal plane；
Step 5, temperature-fall period closes primary heater（2）And auxiliary heater（3）, open inlet duct（16）, circulating fan
（15）With samming wind turbine（7）, according to seed trays（4）The decrease speed of central temperature adjusts deflector（12）Angle；
Work as seed trays（4）When the decrease speed of central temperature is very fast, increase deflector（12）With the angle of horizontal plane, work as seed
Pallet（4）When the decrease speed of central temperature is slower, reduce deflector（12）With the angle of horizontal plane；
Step 6, when the processing operation for completing a batch by xeothermic Time-temperature controlling curve, system autostop is simultaneously sent out
Complete signal.
9. a kind of control method of the uniform dry heat sterilization processing equipment of seed according to claim 8, it is characterised in that：Institute
The seed trays stated（4）The vibrating disk of bottom（10）Periodic perturbations during step 2 ~ 5.
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| CN201810598427.4A CN108738497A (en) | 2018-06-12 | 2018-06-12 | A kind of uniform dry heat sterilization processing equipment of seed and control method |
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| CN110583151A (en) * | 2019-10-29 | 2019-12-20 | 武威新金城种业有限公司 | Energy-saving intelligent dry heat disinfection device for seeds |
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Application publication date: 20181106 |