CN105031678B - Sterilising soil by steam machine - Google Patents

Sterilising soil by steam machine Download PDF

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Publication number
CN105031678B
CN105031678B CN201510586536.0A CN201510586536A CN105031678B CN 105031678 B CN105031678 B CN 105031678B CN 201510586536 A CN201510586536 A CN 201510586536A CN 105031678 B CN105031678 B CN 105031678B
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steam
rack
disc
cylinder
machine
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CN105031678A (en
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许林云
张海锋
周宏平
蒋雪松
潘四普
陈辉
崔业民
李萍萍
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Nanjing Forestry University
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Nanjing Forestry University
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Abstract

The sterilising soil by steam machine that a kind of small, less energy consumption of this technology offer, flexible movements, operation efficiently carry out disinfection the soil in facilities horticulture.It includes steam generation facility and at least one steam disc being connected in the rack of creeper truck;Steam disc is located at the front of rack, and what can be moved up and down and move left and right relative to rack is connected in rack;Steam disc includes hollow steam disk body, is connected to the syringe that steam disk body lower part is communicated with steam disk body;The steam (vapor) outlet of steam generation facility is communicated with steam disk body.

Description

Sterilising soil by steam machine
Technical field
This technology is related to a kind of sterilising soil by steam machine, specifically a kind of pulsating burning sterilising soil by steam machine, It produces steam using intermittent combustion engine as origin of heat, and steam is passed through soil by steam disc, is disappeared to soil Kill bacterium.
Background technology
China's facilities horticulture industry is quickly grown in recent years, and is progressively developed to scale, intensive direction, technical merit Have increased significantly.According to statistics, China's facilities horticulture obtains nearly 20% plantation with the planting industry soil less than 3% The industry output value, and this data is increasing year by year.
Facilities horticulture belongs to annual plantation, and the environment of high temperature, high humidity is chronically in facility plastic greenhouse, makes some germ worms Ovum and pest are bred year after year, are largely accumulated in cultivation matrix or soil, and intractability is larger.In addition facilities horticulture Crop cultivation speciality degree is higher, and the crop species of plantation are relatively fewer, so continuous cropping is prevailing, cause worm's ovum in soil, fungi and The accumulation year after year of virus, some soil-borne disease insect pests take place frequently, and seriously constrain the development of facility cultivation, general underproduction when disease occurs 20%~40%, when serious the underproduction up to more than 60% even have no harvest.Therefore, it is to change to carry out disinfection to the soil in facilities horticulture Crop ecological environment in kind garden, improves agriculture value, promotes the important measure of agro based economic development.
Facilities horticulture soil disinfection method is broadly divided into two major class of chemical disinfection and physical disinfection.Chemical disinfection because it is simple, Quickly, efficiently, it is still main disinfection means, but produces food security and problem of environmental pollution, development to be subject to there are pesticide residue Limitation, and physical disinfection method is due to environmentally friendly, pollution-free, it has also become facilities horticulture clean and effective produces top-priority soil and disappears Malicious method, has preferable development prospect.Physical disinfection mainly has moise-heat sterilization, soil hot water processing, solar disinfection, microwave The methods of disinfection.Wherein moise-heat sterilization is compared with other physical disinfection modes, with development is early, technical foundation is good, cost is low, disappears The characteristics of malicious uniform, thorough, especially good to deep soil Disinfection Effect, other physical disinfection modes are progressively substituted to become facility The main way of horticultural soil disinfection, and obtained faster development.Existing soil sterilizer tool popular feature is both at home and abroad Volume is big, energy consumption is big, is not suitable for carrying out operation in facilities horticulture middle-size and small-size at home.Therefore, it is badly in need of developing a small, energy Consume small, flexible, efficient facilities horticulture soil disinfection machine.
The content of the invention
The purpose of this technology is to provide a kind of small, less energy consumption, flexible movements, operation efficiently in facilities horticulture The sterilising soil by steam machine that soil carries out disinfection.
The sterilising soil by steam machine of this technology, it includes being connected to steam generation facility in the rack of creeper truck and at least One steam disc;Steam disc is located at the front of rack, and what can be moved up and down and move left and right relative to rack is connected to rack On;Steam disc includes hollow steam disk body, is connected to the syringe that steam disk body lower part is communicated with steam disk body;Steam generation The steam (vapor) outlet of device is communicated with steam disk body.
The beneficial effect of this technology:Using the rack of creeper truck, machine volume is not only reduced, and suitably in quality pine Soft facilities horticulture ground running, and large carrying capacity, being capable of the larger steam generation facility of load capacity;Pass through steam disc Syringe is delivered a vapor in soil.Steam disc can move up and down and move left and right, flexible movements, can be to facilities horticulture The soil of interior corner parts carries out disinfection;In a non-operative state, steam disc can be lifted, easy to the quick walking of equipment; Complete machine conveniently moving, operating efficiency are high.
Above-mentioned sterilising soil by steam machine, what steam disc can be moved up and down and moved left and right relative to rack is connected in rack Structure be:Set in rack and move up and down stent, in rack and moved up and down to set between stent to be used to drive and move down The up-down drive device that dynamic stent is moved up and down relative to rack;Set on stent is moved up and down relative to moving up and down stent What is moved left and right moves left and right stent, and stent is moved left and right for driving moving up and down stent and moving left and right stent and be provided with The left and right driving device moved left and right relative to stent is moved up and down;Steam disc, which is arranged on, to be moved left and right on stent.Steam disc Rear end is hinged with moving left and right stent, in steam disc and moves left and right driving steam disc is provided between stent on hinged place The oscillatory gearing mechanism of lower swing.Steam disc can be moved in three-dimensional, easy to the rand in facilities horticulture, Angle carries out disinfection, and avoids the presence at disinfection dead angle, easy to soil disinfection machine creeper truck in small space inside turn, turn around, At the same time easy to the maintenance and replacement to syringe;In a non-operative state, steam disc can be lifted, easy to the quick row of equipment Walk.
Above-mentioned sterilising soil by steam machine, what steam disc can be moved up and down and moved left and right relative to rack is connected in rack Structure be:Set in rack and move up and down stent, in rack and moved up and down to set between stent to be used to drive and move down The up-down drive device that dynamic stent is moved up and down relative to rack;Steam disc, which is arranged on, to be moved left and right on stent;Move left and right branch Frame is slidably arranged in left and right directions and moves up and down on stent, is slidably arranged in above-below direction on guide rod, and guide rod is fixed on phase In the transition frame that can be horizontally slipped for rack, it is provided between rack and transition frame for driving transition frame relative to machine The left and right driving device that frame moves left and right.In this way, move up and down stent, move left and right ingenious group of stent, transition frame, rack etc. Close, up-down drive device only drives steam disc to move up and down, and stent, transition frame, left and right driving dress are moved left and right without driving Put etc. and to move up and down, reduce power needed for up-down drive device;Left and right driving device only drives transition frame, steam disc or so to move It is dynamic, move up and down stent, up-down drive device etc. without driving and move left and right, reduce power needed for the driving device of left and right; Moreover, move up and down stent move up and down and move left and right stent move left and right each it is relatively independent, it is non-interference, action Reliably.
Above-mentioned sterilising soil by steam machine, the rear end of steam disc is hinged with moving left and right stent, in steam disc and transition frame Between be provided with the oscillatory gearing mechanism that is swung up and down around hinged place of driving steam disc.Steam disc can carry out in three-dimensional It is mobile, easy to carry out disinfection to the rand in facilities horticulture, ditch, the presence at disinfection dead angle is avoided, easy to soil disinfection machine Creeper truck in small space inside turn, turn around, while easy to the maintenance and replacement to syringe;In a non-operative state, may be used Steam disc to be lifted, easy to the quick walking of equipment.
Above-mentioned sterilising soil by steam machine, transition frame are arranged in rack by what line slideway horizontally slipped;The left and right Driving device is to include matched gear and rack, the rack-and-pinion machine for the left and right driving power device that drive gear rotates Structure, rack are fixed in transition frame, and left and right driving power device is arranged in rack.
Above-mentioned sterilising soil by steam machine, the guide post for playing guiding role to moving up and down stent is set in rack, is led Column passes through the guide hole moved up and down in rack and coordinates with guide hole.
Above-mentioned sterilising soil by steam machine, oscillatory gearing mechanism are oscillating oil cylinder, and up-down drive device is upper and lower oil cylinder.
Above-mentioned sterilising soil by steam machine, the steam disc are two or more, one of them is main steam disc, and others are pair Steam disc;What main steam disk can be moved up and down and moved left and right relative to rack is connected in rack;Secondary steam disc detachably connects It is connected on the sidepiece of main steam disk.Multiple steam discs work at the same time, and moise-heat sterilization working area expands several times, substantially increases work Make efficiency.Secondary steam disc be detachably connected on the sidepiece of main steam disk structure have it is varied, such as pass through hook and hasp will Secondary steam disc links together with main steam disk body.
Above-mentioned sterilising soil by steam machine, steam generation facility include cylinder, the pulsating combusting device that there is water in inside;Steam (vapor) outlet Positioned at cylinder top;Pulsating combusting device includes combustion chamber, spark plug, petrol tank, carburetor, tail pipe, exhaust decoupling chamber;Combustion chamber It is connected between exhaust decoupling chamber with tail pipe;Combustion chamber, tail pipe, exhaust decoupling chamber are respectively positioned in cylinder;Pulsating combusting device work To make, gasoline burns in the combustion chamber as fuel, and the high-temperature flue gas of generation is discharged to outside cylinder by tail pipe and exhaust decoupling chamber, Heat passes to the water in cylinder by the wall of combustion chamber, tail pipe and exhaust decoupling chamber.Due to the pulsation of pulsating combusting device Burning working characteristics, combustion chamber, tail pipe, exhaust decouple indoor high-temperature flue gas and are in turbulent condition, can be effectively peeled off and be in Low-temperature flue gas problem under laminar condition at wall, so as to significantly improve heat exchange efficiency.
Pulsating combusting device produces steam as heat source to the water heating in cylinder, and pulsating combusting device is small, hot-cast socket effect Rate is high, using on sterilising soil by steam machine, can reduce the weight and volume of complete machine, the gasoline for consumption of burning is few.Pulsation combustion Burner belongs to the prior art, it mainly includes combustion chamber, spark plug, petrol tank, carburetor, tail pipe;Combustion chamber is communicated with tail pipe, Carburetor includes the inlet plenum, the trunnion that communicate, be provided with the locular wall of inlet plenum can into inlet plenum one-way air inlet it is unidirectional Intake valve, the oil nozzle communicated with petrol tank are arranged on trunnion, are set in the combustion chamber inlet duct that combustion chamber is connected with carburetor Put spark plug.Tail pipe is communicated with exhaust decoupling chamber, and the air-flow acoustic energy of discharge is decoupled, and is conducive to eliminate acoustic energy, reduction is made an uproar Sound, reduces the influence to environment;The water in cylinder can be heated by being vented decoupling chamber at the same time, improve heat utilization rate. The intermittent combustion of pulsating combusting device is a kind of special combustion process by certain frequency, periodical combustion, its combustion chamber Temperature, pressure, noise and running frequency etc. are in cyclically-varying, are a kind of rough burnings.Changed from energy dress in efficiency See, the rough burning of controlled condition can improve efficiency of combustion, save fuel;In terms of exhaust emissions angle, substantially can The discharge capacity of the oxycarbide and nitrogen oxides that reach clean-burning intermittent combustion is all extremely low.Made with pulsating combusting device For heat source, there is high combustion efficiency, harmful gas emission is few, it is simple in structure the features such as, and can quickly produce substantial amounts of High-temperature steam.
Above-mentioned sterilising soil by steam machine, tail pipe are one or more helix tube.Tail pipe uses the form of helix tube, spiral Pipe has larger heat transfer area, and stable operation characteristic, compact structure form, can also significantly strengthen changing for pulsating combusting device Hot property, improves the overall thermal efficiency of steam generation facility, saves fuel.Do not influencing the situation of pulsating combusting device dynamic characteristics Under, maximum heat exchange area is obtained with minimum space.
Above-mentioned sterilising soil by steam machine, combustion chamber are corrugated combustion chamber.Corrugated combustion chamber can increase heat-transfer surface Product, enables burning more fully to carry out;And corrugated combustion chamber has certain retractility, can compensate for the heat of combustion chamber Dilation matrices, the progress stablized beneficial to intermittent combustion.
Above-mentioned sterilising soil by steam machine, cylinder are placed vertically, and combustion chamber is located at cylinder internal upper part, and at least the one of combustion chamber Expose the water surface in cylinder in part.Cylinder can will be located at by exposing the heat that the combustion chamber of this part of the water surface in cylinder is discharged The saturation hot steam on top is converted to saturation dry saturated steam by reheating.
Above-mentioned sterilising soil by steam machine, it further includes the Level monitor for monitoring water level in cylinder, for The intake pump to supply water in cylinder;The output signal of Level monitor connects controller, and controller is electrically connected with intake pump to control The work of intake pump.Whether the water level signal control water inlet pump work that controller is exported according to Level monitor, ensure cylinder Interior water level is kept within a certain height.Prevent in cylinder water level too low and dry combustion method, or prevent that water level is excessive in cylinder And the very few phenomenon of quantity of steam.
Above-mentioned sterilising soil by steam machine, the pulsating combusting device have multiple, and the combustion chamber of each pulsating combusting device passes through company Adapter is interconnected.Worked at the same time by multiple pulsating combusting device parallel connections, the water in cylinder is heated, heat exchange area increase Several times.The combustion chamber of each pulsating combusting device is connected with each other by connecting tube, phase small between each combustion chamber during using work Potential difference, between combustion chamber can phase mutual excitation, reduce flame-out probability, improve the working stability performance of complete machine.
Above-mentioned sterilising soil by steam machine, each pulsating combusting device share an exhaust decoupling chamber.It is vented the inner wall of decoupling chamber Radiating fin is set, to make full use of the waste heat of tail gas, improves energy utilization efficiency.
Above-mentioned sterilising soil by steam machine, the carburetor of each pulsating combusting device are arranged in an air inlet decoupling chamber.It is right Air-flow acoustic energy into combustion chamber is decoupled, and is conducive to eliminate acoustic energy, is reduced noise, reduce the influence to environment.
Brief description of the drawings
Fig. 1 is sterilising soil by steam machine left view
Fig. 2 is steam generation facility phantom
Fig. 3 is single steam disk body and steam hanging device side view
Fig. 4 is the partial side view of three steam disk bodies and steam hanging device
Fig. 5 is four combustion chamber attachment structure schematic diagrams
Fig. 6 is single steam disk body and steam hanging device partial side view
Fig. 7 is single steam disk body and steam hanging device partial side view
Fig. 8 is single steam disk body and steam hanging device partial side view
Fig. 9 is steam generation facility phantom
Figure 10 is the pulsating combusting device schematic diagram in Fig. 9.
Embodiment
This technology is described in detail below in conjunction with the accompanying drawings
Embodiment 1:Sterilising soil by steam machine
Referring to the above-mentioned sterilising soil by steam machines of Fig. 1, it includes the steam generation facility being connected in the rack 2 of creeper truck 1 and the secondary steam discs 5 of 4, two, main steam disk.
Referring to Fig. 3, main steam disk is located at the front of rack, and can be upper and lower relative to rack by steam disc hanging device 3 Move and what is moved left and right is connected in rack.Main steam disk and secondary steam dish structure are essentially identical, including hollow steam Steam hole 4-1 is arranged at disk body 4-2, steam disk body top, is connected to the syringe 4-4 that steam disk body lower part is communicated with steam disk body; The steam (vapor) outlet of steam generation facility is communicated with the steam hole of steam disk body by hose.
Referring to Fig. 3, Fig. 6-8, steam disc hanging device 3 includes moving up and down rack 3-3, moves left and right stent 3-2, swings Oil cylinder 3-4, upper and lower oil cylinder 3-7, left and right motor 3-8 etc..The guide post 2-1 of extension up and down is set in rack 2.Guide post is through up and down Guide hole on moving frame 3-3 simultaneously coordinates with guide hole, and guide post 2-1 plays guiding role to moving up and down moving up and down for stent. In rack and move up and down to set between stent and be used to drive the oil cylinder up and down for moving up and down stent and moving up and down relative to rack (Up-down drive device)3-7.
Move up and down rack 3-3 front portions and fix two lifting leg 3-5(Lifting leg is also considered as moving up and down the group of stent Into part).The lower part for moving left and right stent 3-2 is slidably arranged on two lifting legs in left and right directions, moves left and right stent 3-2 Two guide sleeve 3-6 upwardly extended(Guide sleeve is also considered as moving left and right the part of stent)Exist with two guide rod 3-11 Above-below direction is slidably matched.
Transition frame 3-12 is arranged in rack 2 by what line slideway 3-9 horizontally slipped(Transition frame is fixed on line slideway Movable part on, fixed part and the rack of line slideway are fixedly linked).The left and right driving device is rack-and-pinion machine Structure, the left and right motor that it includes matched gear 3-13 and rack 3-1, drive gear rotates(Left and right driving power device)3- 8.Rack lower part is fixed in transition frame, and left and right motor is arranged in rack.Two guide rod 3-11 are separately fixed at transition frame Both ends.
The lower part of transition frame is fixed with oscillating oil cylinder connecting plate 3-10(Oscillating oil cylinder connecting plate is also considered as transition frame Part).For moving left and right without prejudice to oscillating oil cylinder connecting plate 3-10, opened on the fixed part of line slideway 3-9 There is the groove 3-14 that left and right directions extends, oscillating oil cylinder connecting plate 3-10 is provided with to be moved left and right in groove.The rear end of main steam disk with Move left and right stent to be hinged, oscillating oil cylinder(Oscillatory gearing mechanism)The both ends of 3-4 respectively with main steam disk front upper and pendulum Dynamic oil cylinder connecting plate is hinged, oscillating oil cylinder action, and driving main steam coiling is with moving left and right the hinged place of stent in above-below direction Swing up and down.
Oscillating oil cylinder is servo-actuated while upper and lower oil cylinder 3-7 actions, and the piston rod of upper and lower oil cylinder 3-7, which drives, moves up and down rack 3-3 is moved up and down along guide post, and lifting leg 3-5 drives and moves left and right stent, main steam disk moves up and down, and moves left and right stent 3- The guide sleeve 3-6 that two of 2 upwardly extend is moved up and down relative to guide rod 3-11.But guide rod 3-11, transition frame 3-12, rack 31, Left and right motor 3-8 is not moved up and down.Why oscillating oil cylinder follows the action of upper and lower oil cylinder 3-7 and acts, and is to put in order to prevent Dynamic oil cylinder counteracts moving up and down for main steam disk.
Left and right motor 3-8 is acted, because left and right motor 3-8 is fixed in rack, so motor 3-8 band moving gears in left and right turn Dynamic, rack and transition frame and the guide rod, the oscillating oil cylinder connecting plate that are fixed in transition frame are just moved relative to rack or so together Dynamic, two guide rods, which just drive, to be moved left and right stent and is moved left and right relative to lifting leg and rack, and lifting leg, move up and down stent not Move left and right.Line slideway 3-9 is arranged between rack and transition frame, reduces the resistance that transition frame horizontally slips.
It is provided between rack and transition frame and drives dress for the left and right for driving transition frame to be moved left and right relative to rack Put.
Referring to Fig. 4, two secondary steam discs 5 are detachably connected on the left and right sides of main steam disk.Main steam disk and secondary steam Between disk by linking up with 4-7, hasp 4-6 is connected.The sidepiece of steam disc has the hook hole 4-3 that installation is linked up with.
Referring to Fig. 2, steam generation facility 1, which includes inside, the horizontal cylinder 1-2 of water, 4 horizontal positioned intermittent combustions Device.Steam (vapor) outlet 1-13 is located at cylinder top.Pulsating combusting device includes combustion chamber 1-7, spark plug 1-14, petrol tank(Do not show Go out), carburetor 1-8, tail pipe 1-5, exhaust decoupling chamber(4 pulsating combusting devices share)1-1.
Referring to Fig. 5, the combustion chamber of each pulsating combusting device is interconnected by connecting tube 1-9.Each combustion chamber is decoupled with exhaust It is connected between room with more spiral tail pipes.The inner wall for being vented decoupling chamber sets radiating fin.
Combustion chamber, tail pipe, exhaust decoupling chamber are respectively positioned in cylinder.The carburetor of each pulsating combusting device be arranged at one into In gas decoupling chamber 1-10.
Pulsating combusting device works, and gasoline burns in the combustion chamber as fuel, and the high-temperature flue gas of generation passes through tail pipe and row Gas decoupling chamber is discharged to outside cylinder, and heat passes to the water in cylinder by combustion chamber, tail pipe and exhaust decoupling chamber.
Cylinder 1-2 is cladded with heat insulation foam 1-12.Cylinder lower part sets inlet opening 1-6.Liquid level gauge 1-3 is set by the top outside cylinder With level gauging cylinder 1-4, the liquid level in cylinder can be monitored by level gauging cylinder.Set to the intake pump 1-11 that cylinder supplies water In rack 2.
Four pulsating combusting device combustion chambers communicate, and work at the same time, and produce heat, and the water in cylinder is heated, makes its boiling, Produce steam.
Tail pipe is designed to spiral form, increases the heat exchange area of pipeline and water, improves the utilization ratio of heat.
In air inlet and exhaust ports design air inlet decoupling chamber 1-10 and exhaust decoupling chamber 1-1, to disengaging air-flow acoustic energy into Row decoupling, eliminates destruction of the air-flow coupling to device.Four pulsating combusting devices share one group of air inlet decoupling chamber and exhaust Decoupling chamber, reduces machine volume, saves space, and improve equipment passes through performance.
The multigroup radiating fin of decoupling chamber's indoor design is being vented, when high-temperature tail gas is by being vented decoupling chamber, still Waste heat can be transmitted to radiating fin, so as to be transmitted to the water of inner barrel, improve the utilization ratio of heat.
Water level in cylinder may remain in a certain range, will not both allow pulsating combusting device dry combustion method, can also leave steam for Certain space, water level show that level gauging cylinder monitoring inner barrel water level, control water inlet switch pump is mended by liquid level gauge Water, maintains level stability.
Main steam disk 4 is connected by steam disc hanging device 3 with rack 2, is placed in the front of rack 2;Upper and lower oil cylinder 3-7 Steam disc can be subjected to the lifting of vertical direction and the upset in creeper truck in axial plane with oscillating oil cylinder 3-4;Gear teeth Steam disc can be carried out the movement of horizontal direction by bar mechanism;Steam disc can be moved in three-dimensional, be set easy to Dui Apply the rand in gardening, ditch carries out disinfection, avoid disinfection dead angle presence;The creeper truck of soil disinfection machine is also allowed for narrow Small space inside turn, turns around;The cleaning and replacement to syringe are also convenient at the same time;In a non-operative state, can be by steam disc Lift, easy to the quick walking of equipment.
Main steam disk 4 can install one or two secondary steam disk body and work at the same time, and by hasp and link up with two pairs Steam disc links together with main steam disk, and moise-heat sterilization working area expands three times, greatly improves work efficiency.
Embodiment 2:The steam generation facility of sterilising soil by steam machine
Referring to the sterilising soil by steam machine described in Fig. 9 steam generation facility 1 include inside have water vertical cylinder 1-2, The pulsating combusting device placed vertically.Steam (vapor) outlet 1-13 is located at cylinder top.Referring to Figure 10, pulsating combusting device includes corrugated combustion Burn room 1-7, spark plug 1-14, petrol tank(It is not shown), carburetor 1-8, tail pipe 1-5, exhaust decoupling chamber 1-1.It is vented decoupling chamber Inner wall set radiating fin.
Combustion chamber, tail pipe, exhaust decoupling chamber are respectively positioned in cylinder.Carburetor and petrol tank are set outside cylinder.
Cylinder lower part sets inlet opening 1-6 and discharge outlet 1-15.Liquid level gauge 1-3 and Floating Ball Liquid Level are set by the top outside cylinder Control device 1-4.Water level can be set by floating ball liquid level control device, the liquid level in holding cylinder body is basically unchanged.If cylinder Internal water level is too low, and floating ball liquid level control device, which will open inlet opening, allows water to enter;, whereas if water level is excessive in cylinder, Floating ball liquid level control device may turn off inlet opening.
Using pulsating combusting device as heat source, cold water is pumped into by automatic water inlet system from bottom water inlet, passes through floating ball liquid Level control device sets water level, and maintains water level constant, can be from external observation water level by liquid level gauge 1-3.Pulsating combusting device Using Helmholtz type pulsating combusting devices;Using gasoline as main fuel, the high-temperature flue gas for generation of burning passes through tail pipe With the discharge of exhaust decoupling chamber, heat passes to the cold water in cylinder by combustion chamber, tail pipe and exhaust decoupling chamber tube wall.When cold Water produces steam when being heated to boiling, steam is exported by steam (vapor) outlet.
Beyond the water surface in cylinder, the heat that the combustion chamber that this part is exposed the surface is discharged can be by cylinder for the upper end of combustion chamber The saturation hot steam of body upper end is converted to saturation dry saturated steam by reheating.
Corrugated combustion chamber, can increase heat exchange area, burning is more fully carried out;Stretch with certain Property, the thermal expansion stress of combustion chamber is can compensate for, the progress stablized beneficial to intermittent combustion.
Cylinder top can also set safety valve, thermometer, pressure gauge etc..When inner barrel pressure exceedes design pressure When, excess steam is discharged by safety valve, to ensure the safety of steam generation facility.
Work finishes, and can discharge the remaining water of inner barrel by discharge outlet.

Claims (9)

1. sterilising soil by steam machine, it is characterized in that:It includes being connected to steam generation facility in the rack of creeper truck and at least One steam disc;Steam disc is located at the front of rack, and what can be moved up and down and move left and right relative to rack is connected to rack On;Steam disc includes hollow steam disk body, is connected to the syringe that steam disk body lower part is communicated with steam disk body;Steam generation The steam (vapor) outlet of device is communicated with steam disk body;
The structure that what steam disc can be moved up and down and moved left and right relative to rack be connected in rack is:On being set in rack Lower mobile stent, sets between stent in rack and moving up and down and moves up and down stent for driving and moved up and down relative to rack Up-down drive device;Steam disc, which is arranged on, to be moved left and right on stent;Stent is moved left and right on left and right directions is slidably arranged in On lower mobile stent, it is slidably arranged in above-below direction on guide rod, guide rod is fixed on the mistake that can be horizontally slipped relative to rack Cross on frame, be provided between rack and transition frame and drive dress for the left and right for driving transition frame to be moved left and right relative to rack Put.
2. sterilising soil by steam machine as claimed in claim 1, it is characterized in that:Mutually cut with scissors with moving left and right stent the rear end of steam disc Connect, the oscillatory gearing mechanism that driving steam disc is swung up and down around hinged place is provided between steam disc and transition frame.
3. sterilising soil by steam machine as claimed in claim 1 or 2, it is characterized in that:Transition frame is horizontally slipped by line slideway Be arranged in rack;The left and right driving device is to include matched gear and rack, the left and right drive of drive gear rotation The rack and pinion mechanism of dynamic power set, rack are fixed in transition frame, and left and right driving power device is arranged in rack.
4. sterilising soil by steam machine as claimed in claim 1, it is characterized in that:The steam disc is two or more, one of them For main steam disc, others are secondary steam disc;What main steam disk can be moved up and down and moved left and right relative to rack is connected to machine On frame;Secondary steam disc is detachably connected on the sidepiece of main steam disk.
5. sterilising soil by steam machine as claimed in claim 1, it is characterized in that:Steam generation facility includes the cylinder that there is water in inside Body, pulsating combusting device;Steam (vapor) outlet is located at cylinder top;Pulsating combusting device include combustion chamber, spark plug, petrol tank, carburetor, Tail pipe, exhaust decoupling chamber;It is connected between combustion chamber and exhaust decoupling chamber with tail pipe;Combustion chamber, tail pipe, the equal position of exhaust decoupling chamber In in cylinder;Pulsating combusting device works, and gasoline burns in the combustion chamber as fuel, and the high-temperature flue gas of generation passes through tail pipe and row Gas decoupling chamber is discharged to outside cylinder, and heat passes to the water in cylinder by the wall of combustion chamber, tail pipe and exhaust decoupling chamber.
6. sterilising soil by steam machine as claimed in claim 5, it is characterized in that:Tail pipe is one or more helix tube.
7. sterilising soil by steam machine as claimed in claim 6, it is characterized in that:It further includes the water for monitoring water level in cylinder Position monitoring device, for the intake pump to supply water into cylinder;The output signal of Level monitor connects controller, controller with into Water pump is connected to control the work of intake pump.
8. sterilising soil by steam machine as claimed in claim 5, it is characterized in that:The pulsating combusting device has multiple, each pulsation combustion The combustion chamber of burner is interconnected by connecting tube.
9. sterilising soil by steam machine as claimed in claim 8, it is characterized in that:Each pulsating combusting device shares an exhaust decoupling Room;The carburetor of each pulsating combusting device is arranged in an air inlet decoupling chamber.
CN201510586536.0A 2015-09-15 2015-09-15 Sterilising soil by steam machine Active CN105031678B (en)

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CN106729796A (en) * 2017-03-17 2017-05-31 南京林业大学 Batch (-type) sterilising soil by steam pin
CN107213480A (en) * 2017-06-07 2017-09-29 北京明和技研科技有限公司 A kind of high-temperature steam sterilizing unit
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CN108156872B (en) * 2017-12-14 2020-08-21 中国农业科学院蔬菜花卉研究所 Method for returning residual pepper plants to field in situ in sunlight greenhouse and application thereof
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CN109168799A (en) * 2018-09-21 2019-01-11 昆明理工大学 A kind of sterilising soil by steam mechanism
CN114190208A (en) * 2021-12-30 2022-03-18 南京林业大学 Self-walking greenhouse soil steam disinfection and film mulching all-in-one machine based on pulse combustion technology
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CN114190211B (en) * 2021-12-30 2022-11-15 南京林业大学 Greenhouse soil efficient steam disinfection and film mulching all-in-one machine based on pulse combustion technology

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Assignee: Nantong Bolin Mechanical and Electrical Technology Co., Ltd.

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Denomination of invention: Steam generation device of soil steam sterilizer

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