CN1846474A - High temperature water soil-sterilizing method and high temperature water soil-sterilizing machine - Google Patents
High temperature water soil-sterilizing method and high temperature water soil-sterilizing machine Download PDFInfo
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- CN1846474A CN1846474A CN 200610200407 CN200610200407A CN1846474A CN 1846474 A CN1846474 A CN 1846474A CN 200610200407 CN200610200407 CN 200610200407 CN 200610200407 A CN200610200407 A CN 200610200407A CN 1846474 A CN1846474 A CN 1846474A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G11/00—Sterilising soil by steam
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M19/00—Apparatus for the destruction of noxious animals, other than insects, by hot water, steam, hot air, or electricity
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
- A61L2/04—Heat
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Abstract
The present invention is high temperature water soil sterilizing method and high temperature water soil sterilizing machine. After the soil to be sterilized is loosened, hot water spraying pipes with dense water spraying holes are spread, heat insulating film is covered onto the soil and the pipes, and hot water heated to 37-95 deg.c in the high temperature water soil sterilizing machine is sprayed to soil and maintained for 0.5-5.0 hr to sterilize soil. The said method can kill pests and germs while retaining great amount of saprophytic rhizobia in soil, has no harm to crops and no environmental pollution and is favorable to production of green agricultural product.
Description
(1), technical field
The present invention relates to a kind of soil disinfection method and device therefor thereof.
(2), background technology
In recent years; the crop area that melon and fruit, vegetables, flowers etc. have important economic worth enlarges rapidly; protection ground produces area constantly to be increased, and the industrialized agriculture high-density planting reaches and plants with a kind of crop on same block of soil year after year, all can cause accumulation, growth and the breeding of soil-borne disease pathogen.If class disease is untimely is controlled for this, can causes the serious underproduction or reduce product quality, even cause total crop failure.Soil disinfection is one of important measures of control soil-borne disease, is accepted by vast farmers gradually.
The soil disinfection method that generally adopts has pharmacy disinfection method, solar disinfection method and heat of steam sterilization at present.
The pharmacy disinfection method comprises pesticide-clay mixture method and fumigating system, is in medicament being manured into soil after prior to seeding, purpose be prevent seed in spite of illness with the spreading of soil-borne disease.Main application method has; Spray or pouring method.Medicament is diluted to finite concentration with clear water, sprays in upper soll layer, or directly be poured onto in the soil, make soup infiltrate deep subsoil, kill germ in the soil with sprayer.The spray dispenser is handled soil and is applicable to land for growing field crops, seedling nutritious soil, lawn renewal etc.The dispenser of pouring method is applicable to irrigation and the various crop nursery bed disinfection of fruit tree, melon, solanberry class crop, the control sprout term disease.
The pesticide-clay mixture method is earlier medicament to be made into pesticide-clay mixture, uses then.The compound method of pesticide-clay mixture be with agricultural chemicals (missible oil, wetting powder) and the fine earth with certain humidity in proportion mixing make.The application process of pesticide-clay mixture has ditch spread, spreads manuer in holes and spreads fertilizer over the fields.
Stifling rule utilizes soil injection device or soil disinfection machine that fumigant is injected soil, covers coverings such as film in soil surface.In the facility of airtight or semi-hermetic, make the toxic gas of fumigant in soil, spread kill pathogens.Behind the soil-fumigating, treat could sow after medicament fully distributes, otherwise, be easy to generate poisoning.Soil-fumigating disinfectant commonly used has Celfume, formaldehyde etc.All there is application aspects such as plantation of the strawberry of the method in industrialized agriculture, watermelon, vegetables and the seedbed of nursery stock, greenery patches lawn planting.
Yet above-mentioned soil pharmacy disinfection method causes environmental pollution easily, and makes agricultural product produce the medicament residue shadow easily, influences agricultural product quality.
The solar disinfection method is after greenhouse or field crops are gathered, the old strain in field of rooting out, many organic fertilizers material, then the ground down tilt is put in order, in 7～August, when temperature reaches more than 35 ℃, cover with transparent heat absorption film, soil temperature can rise to 50 ℃～60 ℃, airtight 15～20 days, can kill the multiple germ in the soil.This method is adapted at the northern area of China and plants in the plastic greenhouse of strawberry, watermelon, flowers year after year and use, but this method is subjected to the interference and the influence in weather and season easily.
The heat of steam sterilization is a kind of method of using heat of steam to soil disinfection, adopts the steam boiler heating, by conduit steam heat energy is delivered in the soil, and soil temperature is raise, and kill pathogenic bacteria reaches the purpose of preventing and treating soil-borne disease.This sterilization method requires the equipment more complicated, and the higher crop small size on the seedbed of only suitable economic worth uses present domestic still do not have special-purpose heat steam soil disinfecting device and mature technique method.
(3), summary of the invention
The purpose of this invention is to provide a kind of high-temperature-hot-water soil disinfection method and high-temperature-hot-water soil disinfection machine, solve soil disinfection non-environmental-pollution, non agricultural chemical residuum thing, do not influence agricultural product quality, avoid the crop continuous cropping to be subject to the problem of damage by disease and insect harm.
The technical scheme of high-temperature-hot-water soil sterilization sterilization method of the present invention: it is characterized in that having the following steps:
(1), first with the soil scarifying before soil disinfection;
(2), on soil to be sterilized, lay the hot water spray pipe, densely covered hole for water spraying on the hot water spray pipe;
(3), at soil and covering and heat insulating film above the hot water spray pipe;
(4), heat water to 37-95 ℃, open hot-water valve, hot water sprays hot water through hole for water spraying to soil with high-temperature-hot-water soil disinfection machine;
(5), close hot-water valve, covering and heat insulating film insulation 0.5-5.0 hour.
In above-mentioned (1), the soil scarifying degree of depth is 10-50 centimetre, is 10-20cm to the leaf vegetables planting soil scarifying degree of depth, is 25-35cm to the fruit vegetables planting soil scarifying degree of depth.
Hot water spray amount to soil in (4) is 50-150 liter/m
2
Water in (4) in the high-temperature-hot-water sterilizing machine is agricultural irrigation water, rivers and creeks water or well water.
High-temperature-hot-water soil disinfection machine of the present invention, it is characterized in that: the main frame 1 that is surrounded by lagging casing is stated from the base 6, the water inlet pipe 7 of main frame is connected with former water feeder 4, and the hot water spray pipe comprises the hot water person in charge 2, distributing pipe 8, hot-water branch 3, and hole for water spraying 9 gathers on the hot-water branch;
Main frame 1 has a lagging casing 12, and a heating inner bag 11 is arranged at the bottom of main frame 1, and the inner chamber of heating inner bag 11 and the crater of burner 10 connect, and the upper end of heating inner bag 11 inner chambers is communicated with the smoke box at main frame middle part and the tempering tube in the lumen 13; A top water tank 16 is arranged at the top of main frame, the import of top water upper box part is connected with overflow pipe 17 with water inlet pipe 7, the top water outlet of water tank is communicated with the hot water outlet pipe 18 of bottom with cavity between the lagging casing through lumen 13, heating inner bag 11, and hot water outlet pipe 18 is connected with the hot water person in charge 2 with the return pipe 25 of top water tank respectively by three-way pipe 24.
The tempering tube 19, front smoke box 14, double tempering pipe 20 and the back smoke box 15 that have order to be connected in the above-mentioned lumen 13.
Connect circulating water temperature sensor 21 and circulating pump 22 on the above-mentioned hot water outlet pipe 18 successively, connect cycle water magnetic valve 23 on the return pipe 25.
Connect entering water electromagnetic valve door 26 and ball valve filter 27 on the above-mentioned water inlet pipe 7.
Above-mentioned hot water is responsible for and is connected water meter 28, water supply electromagnetic valve 30 and hot-water valve 29 on 2.
Above-mentionedly be connected with the temperature detection sensor 31 that is installed in heating inner bag back side top.
Above-mentioned top water tank connects water gauge 32 and level sensor 33.
Beneficial effect: high-temperature-hot-water soil disinfection method of the present invention and high-temperature-hot-water soil disinfection machine are to use water is heated to be high-temperature-hot-water and sprays a kind of method and the machine that soil are carried out sterilization to soil.The user can regulate the required temperature of sterilization voluntarily according to the kind of damage by disease and insect in the soil, and soil is carried out spray disinfectant, and high energy is set to 95 ℃ with the temperature of hot water; Because the high-temperature-hot-water soil disinfecting device is that normal pressure is open, its security performance height, operating personnel do not need to possess high-pressure bottle equipment competency for operation certificate, and are safe and reliable when using out of doors; Soil disinfection is not subject to seasonal restrictions, and waits can carry out disinfection any period in the winter time.
The present invention adopts hot water to soil disinfection, can kill processing at the damage by disease and insect in the soil, and the sterilization scope is wide, and effect sees Table 1; Can prevent and treat the pathogen in the soil face of land to the 50Cm deep layer portion effectively, and harmless to crops, improved the quality of crops; Improved soil environment, made the interior pH value increase by 0.5 of soil, EC (soil salt concentration) reduce 0.3-0.5, environmentally safe, nuisanceless to people and animals; Still protect a large amount of useful saprophytic rhizobium of Liu in the soil after the sterilization, solved the difficult problem that the pathogen that the continuous cropping crop is subject to exist in the soil, damage by disease and insect endanger, help the production of green agricultural product.
Show that with the test of the control efficiency of disinfection with hot water soil the multiple pathogens of vegetables is had the outstanding control efficiency of killing, the results are shown in Table 1.
Table 1 is with hot water soil treatment killing temperature and killing the time result of the test The main pathogenic fungi
| The pathogen title | Kill temperature | Time | The pathogen title | Kill temperature | Time |
| Cucumber didymella bryoniae cucumber anthracnose pumpkin Bacteria erwinia botrytis cinerea Tomato soft rot bacterium bacterial canker of tomato tomato A. mali bacterial wilt of tomato bacterium Powdery Mildew soft rot of cabbage bacterium radish black rot | 55℃ 50℃ 50℃ 55℃ 50℃ 53℃ 37℃ 52℃ 49℃ 50℃ 53 | 15 | Botrytis cinerea germ ginger rot leaf blight vaccine leaf spoting bacteria ox side bacterial black rot begonia bacterial speck Soybean Leaves is burnt germ bean sprouts rot root-knot nematode tomato virus disease cucumber mosaic virus | 55℃ 55℃ 43℃ 52℃ 50℃ 51℃ 49℃ 54℃ 60℃ 90℃ 90 | 15 |
By the experimental study of damage by disease and insect preventive effect show with hot water disinfecting soil is handled after, the soil disease incidence of disease obviously reduces, effect sees Table 2.
The soil disease control efficiency that table 2 high-temperature-hot-water is handled
| Soil depth (cm) | The incidence of disease (%) | ||||
| Tomato wilt | The tomato verticillium wilt | Bacterial wilt | The seedling blight | Root rot | |
| 10 20 30 50 non-processor | 0.0 0.0 0.0 4.2 45.8 | 0.0 0.0 0.0 0.0 0.0 | 0.0 0.0 0.0 0.0 29.2 | 0.0 0.0 0.0 5.0 5.0 | 0.0 0.0 0.0 0.0 100 |
Show that by pathogen, the experimental study of damage by disease and insect killing effect after with hot water disinfecting soil being handled, can effectively reduce sickle-like bacteria in the soil and the residual amount of nematode, effect sees Table 3.
The soil of table 3 hot water treatment is to the control efficiency of sickle-like bacteria and nematode: (after the hot water soil treatment 10 days, pathogen separates)
| Soil depth (cm) | Fusarium bacterium number (individual/g, dry ground) | The soil line borer population (head/g) | ||
| Before the processing | After the processing | Before the processing | After the | |
| 10 20 30 40 | 1.772 628 103 - | - - - - | 72 48 15 - | - - - - |
After hot water is handled disinfecting soil, reduce the density of germ in the soil effectively, reduce the activity of virus on soil surface.
Table 4 high-temperature-hot-water is to the influence of the tomato wilt density in the different depth soil
| Distinguish | Soil depth (cm) | Wilt number (individual/g, dry ground) | ||
| Test 1 | Test 2 | Mean value | ||
| Non-processor | 4.7×10 4 | 4.2×10 4 | 4.45×10 4 | |
| High-temperature-hot-water is handled | 20 | 0.0 | 0.0 | 0.0 |
| | 30 | 0.4×10 2 | 0.5×10 2 | 0.21×10 2 |
| (90℃) | 40 | 1.8×10 2 | 2.2×10 2 | 2.0×10 2 |
| 50 | 4.9×10 3 | 3.5×10 3 | 4.2×10 3 | |
* high-temperature-hot-water is handled soil and is gathered the sick soil of each layer infection fusarium wilt after 3 days respectively;
* cultivates, is determined at the wilt quantity on the medium after gathering antecedent soil moisture;
* * high-temperature-hot-water groundwater increment 100L/m
2
Table 5 hot water treatment is to the influence of soil chemistry
| Soil depth (cm) | pH | EC (mS/cm) | CaO (mg/100g) | MgO (mg/100g) | K 2O (mg/100g) | P 2O 5(mg/100g) | ||||||
| Before the processing | After the processing | Before the processing | After the processing | Before the processing | After the processing | Before the processing | After the processing | Before the processing | After the processing | Before the processing | After the | |
| 10 | 6.06 | 6.06 | 0.491 | 0.100 | 550 | 541 | 158 | 152 | 105 | 57 | 84 | 70 |
| 20 | 5.83 | 6.13 | 0.253 | 0.068 | 505 | 501 | 137 | 137 | 100 | 43 | 60 | 48 |
| 30 | 5.94 | 6.21 | 0.068 | 0.061 | 519 | 495 | 134 | 129 | 25 | 16 | 32 | 23 |
| 40 | 5.94 | 6.19 | 0.048 | 0.128 | 505 | 512 | 131 | 135 | 16 | 126 | 25 | 41 |
(4), description of drawings
Fig. 1 is the schematic diagram of hot water soil disinfection method of the present invention;
Fig. 2 is the structural representation of hot water spray pipe.
Fig. 3 is the structure principle chart of hot water soil disinfection machine of the present invention;
Fig. 4 is the interior schematic diagram of hot water soil disinfection machine host of the present invention.
Fig. 5 is the interior schematic diagram of another section of hot water soil disinfection machine host of the present invention.
Fig. 6 is the front view of hot water soil disinfection machine host embodiment of the present invention;
Fig. 7 is the right view of Fig. 6;
Fig. 8 is the vertical view of Fig. 6.
Among the figure: the 1-main frame, 2-hot water is responsible for, the 3-hot-water branch, the former water feeder of 4-, the 5-insulation film, the 6-machine base, the 7-water inlet pipe, the 8-distributing pipe, the 9-hole for water spraying, the 10-burner, 11-heats inner bag, the 12-lagging casing, the 13-lumen, the 14-front smoke box, smoke box behind the 15-, 16-top water tank, the 17-overflow pipe, the 18-hot water outlet pipe, tempering tube of 19-, 20-double tempering pipe, 21-circulating water temperature sensor, the 22-circulating pump, 23-cycle water magnetic valve, the 24-three-way pipe, the 25-return pipe, 26-entering water electromagnetic valve door, the 27-ball valve filter, the 28-water meter, the 29-hot-water valve, the 30-water supply electromagnetic valve, the 31-temperature detection sensor, the 32-water gauge, the 33-level sensor.
(5), embodiment
Embodiment 1: referring to Fig. 1, this high-temperature-hot-water soil sterilization sterilization method heats water to 90 ℃ with hot water soil sterilization sterilizing machine, by the hot water person in charge 2, distributing pipe 8 hot water is distributed supply hot-water branch 3, again by 9 ejections of the hole for water spraying on the hot-water branch 3, directly infiltrate the soil face of land to 20Cm degree of depth place, the temperature that hot water injects behind the soil is 60 ℃, and the insulation of soil surface plastic covering insulation film kept 0.5 hour.The steps include:
(1), elder generation is 20cm with the soil scarifying to the leaf vegetables planting soil scarifying degree of depth before soil disinfection;
(2), on soil to be sterilized, lay the hot water spray pipe at interval, densely covered hole for water spraying on the hot water spray pipe;
(3), at soil and covering and heat insulating film above the hot water spray pipe;
(4), heat water to 90 ℃, open hot-water valve, hot water sprays to soil through the hot water hole for water spraying, and its sprinkling amount is 100L/m with high-temperature-hot-water soil disinfection machine
2, the hot water temperature reaches 60 ℃ in the soil;
(5), close hot-water valve, covering and heat insulating film insulation 0.5 hour.
Embodiment 2:
This high-temperature-hot-water soil sterilization sterilization method heats water to 95 ℃ with hot water soil sterilization sterilizing machine, spray by the water jet on the hot water spray pipe, directly infiltrate the soil face of land to 30Cm degree of depth place, the temperature that hot water injects behind the soil is 85 ℃, the insulation of soil surface plastic covering insulation film kept 1.0 hours.It is characterized in that having the following steps:
(1), elder generation is 30cm with the soil scarifying to the fruit vegetables planting soil scarifying degree of depth before soil disinfection;
(2), on soil to be sterilized, lay the hot water spray pipe at interval, densely covered hole for water spraying on the hot water spray pipe;
(3), at soil and plastic covering insulation film above the hot water spray pipe;
(4), heat water to 95 ℃, open hot-water valve, hot water sprays to soil through the hot water hole for water spraying, is 150 liters of hot water/m to the hot water spray amount of soil with high-temperature-hot-water soil disinfection machine
2The hot water temperature reaches 85 ℃ in the soil; Water in the high-temperature-hot-water sterilizing machine is agricultural irrigation water, rivers and creeks water or well water.
(5), close hot-water valve, plastic covering insulation film insulation 1.0 hours.
High-temperature-hot-water soil disinfection machine is referring to Fig. 2-8, the main frame 1 that the high-temperature-hot-water sterilizing machine is surrounded by lagging casing is stated from the base 6, the water inlet pipe 7 of main frame is connected with former water feeder 4, open the entering water electromagnetic valve door 26 that connects on the water inlet pipe, water enters top water tank 16 through ball valve filter 27, the cavity that top water tank inner lower communicates with lumen 13, water is flowed between heating inner bag 11 and the lagging casing 12 by lumen 13, flow into hot water outlet pipe 18 then, connect circulating water temperature sensor 21 and circulating pump 22 on the hot water outlet pipe 18 successively.Hot water outlet pipe 18 is connected with three-way pipe 24, and three-way pipe 24 one tunnel is communicated with return pipe 25, the cycle water magnetic valve 23 of top water tank; Another road connects hot water water supply water meter 28, water supply electromagnetic valve 30 and hot-water valve 29, and hot-water valve 29 and the hot water on being laid on soil to be sterilized are responsible for 2, hot-water branch 3 is connected, hot water is gone up densely covered hole for water spraying 9 injection soil by pipe.
The inner chamber of heating inner bag 11 and the crater of burner 10 connect, and the inner chamber upper end of heating inner bag 11 is communicated with lumen 13, the tempering tube 19, front smoke box 14, double tempering pipe 20 and the back smoke box 15 that have order to be connected in the lumen 13.Guarantee the abundant heat exchange of water inlet, heat energy is fully utilized, and improves the thermal efficiency.
The burner 10 of high-temperature-hot-water soil disinfection machine is connected with the temperature detection sensor 31 that is installed in heating inner bag 11 back side top, and when the water temperature in the heating inner bag 11 is lower than and is higher than design temperature, burner will be activated and stop heating.The product that burner 10 can outsourcing Beijing Olympia boiler Co., Ltd be produced.
When the water temperature in the sterilizing machine was lower than set water temperature, hot water outlet pipe 18 places connected circulating water temperature sensor 21 successively, will start circulating pump 22, cycle water magnetic valve 23 is opened, and Longitude three-way pipe 24 and return pipe 25 flow back to the top water tank, the circulation heating.
When the water temperature in the sterilizing machine reaches set water temperature, the other end through three-way pipe 24 connects hot water water supply water meter 28, water supply electromagnetic valve 30 and hot-water valve 29 unlatchings, hot-water valve 29 is connected with the hot water person in charge 2, the hot-water branch 3 that lay, hot water is gone up hole for water spraying 9 by pipe and injected soil, and by observing water supply water meter 28, with hot-water valve 29 regulation and control hot water supplys.
Middle design one water fender of the exhaust opening end face of the smoke box first half behind high-temperature-hot-water soil disinfection machine, the diameter that the width of water fender is taken over greater than the smoke box bottom; The exhaust opening lower panel of the first half of back smoke box is designed to outward-dipping, and the both sides of the lower panel of panel have been designed osculum respectively, is convenient to the safe handling out of doors of high-temperature-hot-water soil disinfection machine.
Claims (10)
1. high-temperature-hot-water soil disinfection method is characterized in that having the following steps:
(1), first with the soil scarifying before soil disinfection;
(2), on soil to be sterilized, lay the hot water spray pipe, densely covered hole for water spraying on the hot water spray pipe;
(3), at soil and covering and heat insulating film above the hot water spray pipe;
(4), heat water to 37-95 ℃, open hot-water valve, hot water sprays hot water through hole for water spraying to soil with high-temperature-hot-water soil disinfection machine;
(5), close hot-water valve, covering and heat insulating film insulation 0.5-5.0 hour.
2. high-temperature-hot-water soil disinfection method according to claim 1 is characterized in that: in above-mentioned (1), the soil scarifying degree of depth is 10-50 centimetre, is 10-20cm to the leaf vegetables planting soil scarifying degree of depth, is 25-35cm to the fruit vegetables planting soil scarifying degree of depth.
3. high-temperature-hot-water soil disinfection method according to claim 1 is characterized in that: above-mentioned
(4) the hot water spray amount to soil in is 50-150 liter/m2.
4. high-temperature-hot-water soil disinfection method according to claim 1 is characterized in that: above-mentioned
(4) water in the high-temperature-hot-water sterilizing machine is agricultural irrigation water, rivers and creeks water or well water.
5. high-temperature-hot-water soil disinfection machine, it is characterized in that: the main frame that is surrounded by lagging casing is stated from the base, the water inlet pipe of main frame is connected with former water feeder, and the hot water spray pipe comprises the hot water person in charge, distributing pipe, hot-water branch, and hole for water spraying gathers on the hot-water branch;
Main frame has a lagging casing, and a heating inner bag is arranged at the bottom of main frame, and the inner chamber of heating inner bag and the crater of burner connect, and the upper end of gallbladder intracavity is communicated with the smoke box at main frame middle part and the tempering tube in the lumen in the heating; A top water tank is arranged at the top of main frame, the import of top water upper box part is connected with overflow pipe with water inlet pipe, the top water outlet of water tank is communicated with the hot water outlet pipe of bottom with cavity between the lagging casing through lumen, heating inner bag, and the hot water outlet pipe is connected with the hot water person in charge with the return pipe of top water tank respectively by three-way pipe.
6. high-temperature-hot-water soil disinfection machine according to claim 1 is characterized in that: the tempering tube, front smoke box, double tempering pipe and the back smoke box that have order to be connected in the above-mentioned lumen.
7. high-temperature-hot-water soil disinfection machine according to claim 1 is characterized in that: connect circulating water temperature sensor and circulating pump on the above-mentioned hot water outlet pipe successively, connect the cycle water magnetic valve on the return pipe.
8. high-temperature-hot-water soil disinfection machine according to claim 1 is characterized in that: above-mentioned hot water is responsible for to go up and is connected water meter, water supply electromagnetic valve and hot-water valve.
9. high-temperature-hot-water soil disinfection machine according to claim 1 is characterized in that: above-mentionedly be connected with the temperature detection sensor that is installed in heating inner bag back side top.
10. high-temperature-hot-water soil disinfection machine according to claim 1 is characterized in that: above-mentioned top water tank connects water gauge and level sensor.
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| CN103249300A (en) * | 2010-08-17 | 2013-08-14 | 英诺威浦公司 | Machine for sterilizing the topsoil of the ground |
| CN103299978A (en) * | 2012-03-08 | 2013-09-18 | 陈新元 | Method for soil sterilization and deinsectization by jetting steam |
| CN103416383A (en) * | 2013-07-15 | 2013-12-04 | 烟台宁远微波设备有限公司 | Insecticidal device and usage method thereof |
| CN104642013A (en) * | 2015-02-06 | 2015-05-27 | 北京农业信息技术研究中心 | Onboard soil sterilizing machine, sterilizing system and sterilizing method |
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| CN106614493A (en) * | 2015-10-30 | 2017-05-10 | 中国科学院理化技术研究所 | Soil sterilization and disinsection device and method |
| CN108377818A (en) * | 2018-04-25 | 2018-08-10 | 山东农业大学 | Plant pit sterilising soil by steam method and sterilizing machine |
| CN108663227A (en) * | 2018-07-26 | 2018-10-16 | 农业部南京农业机械化研究所 | A kind of soil radio frequency sterilizing equipment decontaminating apparatus test platform and method |
| CN108811577A (en) * | 2018-07-16 | 2018-11-16 | 江苏丘陵地区镇江农业科学研究所 | A method of reducing strawberry soil cause of disease bacterial content |
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| CN108811577B (en) * | 2018-07-16 | 2021-04-23 | 江苏丘陵地区镇江农业科学研究所 | Method for reducing content of pathogenic bacteria in strawberry soil |
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