CN106729796A - Batch (-type) sterilising soil by steam pin - Google Patents

Batch (-type) sterilising soil by steam pin Download PDF

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Publication number
CN106729796A
CN106729796A CN201710159515.XA CN201710159515A CN106729796A CN 106729796 A CN106729796 A CN 106729796A CN 201710159515 A CN201710159515 A CN 201710159515A CN 106729796 A CN106729796 A CN 106729796A
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China
Prior art keywords
needle tubing
sleeve
land
steam
soil
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CN201710159515.XA
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Chinese (zh)
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CN106729796B (en
Inventor
潘四普
周宏平
许林云
崔业民
蒋雪松
陈青
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Nanjing Forestry University
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Nanjing Forestry University
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L2/00Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/02Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
    • A61L2/04Heat
    • A61L2/06Hot gas
    • A61L2/07Steam

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  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Catching Or Destruction (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)

Abstract

This technology provides a kind of batch (-type) sterilising soil by steam pin, and with intensity is high, good airproof performance, easily changeable feature, topmost can be to realize that interval goes out when vapour, i.e. pin inject soil to export steam, and sterilizing is carried out to soil;Pin is automatically switched off when extracting soil, it is to avoid waste of steam.It includes sleeve, needle tubing;Sleeve inner is stretched on needle tubing top with air intake, and sleeve pipe is stretched out in the needle tubing bottom with steam drain;Needle tubing axially can be arranged in sleeve up or down;When needle tubing moves to top relative to sleeve, the inner space of upper cartridge is connected by air intake with needle tubing inner space;When needle tubing moves to bottom relative to sleeve, inner space and the needle tubing inner space of upper cartridge are not communicated with.

Description

Batch (-type) sterilising soil by steam pin
Technical field
This technology is related to a kind of sterilising soil by steam pin, the sterilising soil by steam pin of specifically a kind of batch (-type), when Pin exports steam when injecting soil, and sterilizing is carried out to soil;It is automatically switched off when pin extracts soil, it is to avoid waste of steam.
Background technology
Soil disinfection can effectively reduce the serious financial consequences caused by soil-borne disease insect pest, it has also become improve crop ecological ring Border, the important measure for improving agriculture value, promoting agro based economic development.Soil disinfection mode is numerous, wherein moise-heat sterilization and its He is compared disinfection way, has the advantages that environmentally friendly, pollution-free, low cost, small investment, sterilization are uniform, thorough, and it is gradually replaced Its disinfection way, the main flow as soil disinfection.But currently without special sterilising soil by steam syringe needle, constrain soil steaming The development of vapour disinfection technology, therefore it is special to be badly in need of the good sterilising soil by steam of a kind of intensity of development high, good airproof performance, anti-blocking performance Syringe needle.
The content of the invention
The purpose of this technology is to provide a kind of batch (-type) sterilising soil by steam pin, with intensity is high, good airproof performance, easily changes The characteristics of, topmost can be to realize that interval goes out when vapour, i.e. pin inject soil to export steam, and sterilizing is carried out to soil; Pin is automatically switched off when extracting soil, it is to avoid waste of steam.
Batch (-type) sterilising soil by steam pin described in this technology, including sleeve, needle tubing;Stretch on needle tubing top with air intake Enter sleeve inner, sleeve pipe is stretched out in the needle tubing bottom with steam drain;Needle tubing axially can up or down be arranged on sleeve It is interior;When needle tubing moves to top relative to sleeve, the inner space of upper cartridge passes through air intake and needle tubing inner space phase Connection;When needle tubing moves to bottom relative to sleeve, inner space and the needle tubing inner space of upper cartridge are not communicated with.
The beneficial effect of this technology:Sleeve is communicated with jet chimney during installation, and steam can enter set by jet chimney The inner space on cylinder top.Before needle tubing insertion soil(During normality), needle tubing relative to sleeve be located at bottom, upper cartridge Inner space is not communicated with needle tubing inner space, and steam cannot be introduced into needle tubing, that is to say, that steam cannot be discharged by needle tubing; When needle tubing inserts soil, needle tubing moves to bottom relative to sleeve, and the inner space of upper cartridge passes through air intake and needle tubing Inner space is connected, and the steam in jet chimney is entered inside needle tubing by the inner space of upper cartridge, air intake, if It is discharged into soil by steam drain, completes the sterilizing to soil.This sterilising soil by steam pin realizes batch (-type) confession Gas, is moved on needle tubing when pin injects soil and exports steam, and sterilizing is carried out to soil;When pin extracts soil under needle tubing Move, inner space and the needle tubing inner space of upper cartridge are not communicated with, and steam can not be discharged by needle tubing, it is to avoid waste of steam.
Above-mentioned batch (-type) sterilising soil by steam pin, also including the end cap with diameter greater than needle tubing;Sleeve lining has land; Sleeve inner is stretched into through land in needle tubing top with air intake;Closed by end cap needle tubing upper end;Between sleeve and needle tubing So that needle tubing moves in the axial direction the flexible member to bottom relative to land when being provided with normality;When needle tubing is moved relative to land Move during to bottom, end cap periphery contacts with the upper surface of land, needle tubing inner space is not communicated with the inner space of upper cartridge; When needle tubing overcomes the active force of flexible member to move to top relative to land, end cap is separated with the upper surface of land, enters vapour Mouth is located at land top, and the inner space of upper cartridge is connected by air intake with needle tubing inner space.
Enable to needle tubing that bottom is reliably in normality by flexible member, it is to avoid steam is leaked, while with end cap Periphery contacts with land upper surface, sealed reliable.Sleeve inner has land, and structure is more firm, and intensity is high, and extension uses the longevity Life.
Described batch (-type) sterilising soil by steam pin, has interior limited step, in pin on the sleeve lining below land Have with interior limited step in axially opposing outer limited step on the outer wall of pipe;Outer limited step is with interior limited step in axial direction It is needle tubing relative to the high limit position that land is moved up during contact.When needle tubing is moved up, until outer limited step with Interior limited step contact, cannot continue to move up, and interior limited step defines the upper limit position of needle tubing movement, it is to avoid insert During entering soil, needle tubing is moved up excessively, and flexible member, end cap etc. are caused to damage.
Above-mentioned batch (-type) sterilising soil by steam pin, has flexible member support level, elasticity unit on the outer wall of needle tubing Part support level is on outer limited step top;Flexible member support level is located at land lower section, axially opposing with land lower surface; The flexible member is located between flexible member support level and land lower surface;Land inwall and corresponding with land inwall The first sealing ring is provided between needle tubing outer wall;With the sleeve lining between interior limited step it is interior in the middle part of sleeve below the land Wall, the needle tubing outer wall between flexible member support level and outer limited step is needle tubing middle part outer wall, sleeve middle part inwall and pin The second sealing ring is provided between the outer wall of pipe middle part.
So, land inwall and sleeve middle part inwall play guide effect, flexible member position to the axial movement of needle tubing Between needle tubing periphery and sleeve lining, the radial dimension of this sterile needle is reduced, reduces resistance during needle tubing insertion soil, While compact conformation and realize reliable location to flexible member, it is ensured that flexible member can apply downward to needle tubing Axial force, and between land inwall and needle tubing outer wall, form labyrinth seal between sleeve lining and needle tubing outer wall, then add The two-stage sealing of upper first sealing ring and the second sealing ring, it is therefore prevented that steam is by the gap between land inwall and needle tubing outer wall Leak and by the clearance leakage between sleeve lining and needle tubing outer wall.
Above-mentioned batch (-type) sterilising soil by steam pin, sets sealing on the end cap lower surface relative with the upper surface of land Pad.
Above-mentioned batch (-type) sterilising soil by steam pin, it also includes a taper needle point, the big end in tapering of needle point and needle tubing Fixed, the tapering outside diameter of needle point is more than needle tubing;Steam drain is located on the wall of needle tubing side.So, the mistake of soil is inserted in needle tubing When in journey, the big end of taper needle point can form a hole bigger than needle tubing external diameter in soil, reduce soil to steam discharge The anti-blocking performance for entering soil, improving sterile needle of the blocking of mouth, more conducively steam.
Above-mentioned batch (-type) sterilising soil by steam pin, sleeve pipe upper periphery has external screw thread, in the set of externally threaded bottom Stop flange is fixed in pipe periphery.So it is easy to be connected with jet chimney by external screw thread, and external screw thread is limited by stop flange Screw-in depth.
Brief description of the drawings
Fig. 1 is moise-heat sterilization needle construction schematic diagram
Fig. 2 is the structural representation on sleeve and needle tubing top.
In figure, base 41, sleeve pipe 42, land 421, interior limited step 422, needle tubing 43, flexible member support level 431, Outer limited step 432, air intake 433, steam drain 434, needle point 44, compression spring 45, end cap 46, the first sealing gasket 471, second Sealing gasket 472, the first sealing ring 481, the second sealing ring 482, stop flange 49, jet chimney 12.
Specific embodiment
Batch (-type) sterilising soil by steam pin shown in Figure 1 is by base 41, sleeve pipe 42, needle tubing 43, needle point 44, spring 45th, end cap 46, the first sealing gasket 471, the second sealing gasket 472, the first sealing ring 481, the second sealing ring 482, stop flange 49 Deng composition.
Sleeve is connected by the external screw thread of upper end with whorl of base, is sealed by the second sealing gasket 472, prevents steam leakage; It is spacing by the stop flange 49 being welded on sleeve, it is to avoid it is too deep that sleeve injects base.
End cap is connected with needle tubing threaded upper ends, and end cap external diameter is more than needle tubing, and end cap periphery lower surface is provided with the first sealing gasket 471。
Land 421 is provided with the middle part of sleeve inner, interior limited step 422 is arranged at bottom.
Four air intakes 433 being distributed on same cross section, the side of needle tubing bottom are provided with the side wall on needle tubing top Steam drain 434 is provided with wall on different cross sections, the steam drain on same cross section there are four.In air intake and steam discharge There is flexible member support level 431 and outer limited step 432 on needle tubing side wall between mouthful.
Needle tubing periphery is set on as the compression spring 45 of flexible member, and under flexible member support level and land Between end face.When needle tubing is extended downwardly under the action of the spring, end cap periphery lower surface is by the first sealing gasket 471 and land Upper surface coordinates, the gap between end cover and land, prevents steam from entering needle tubing inner ring by air intake, prevents steam from letting out Leakage.
When needle tubing inserts soil, needle tubing is retracted, is moved on end cap, ring of the air intake from sleeve upwards under soil resistance effect Expose in platform(Air intake is above land upper surface), steam flows into needle tubing from air intake, from steam drain output, soil is carried out Sterilizing.
The first sealing ring 481 and the second sealing ring 482 are provided between sleeve and needle tubing, between seal sleeve and needle tubing Gap.
Outer limited step on the interior limited step of sleeve lower inner, with needle tubing coordinates, and plays position-limiting action, limits needle tubing Upward retraction distance.
In cone, top is provided with boss to needle point 43, and boss is injected in needle tubing;Needle point circular cone bottom surface circular diameter is more than needle tubing External diameter, reduces blocking of the soil to steam drain, improves the anti-blocking performance of sterile needle.
Jet chimney 12 connects steam raising plant, there is provided high-temperature steam needed for soil disinfection.Tube chamber welds with base is in steam pipe On road(Certainly, base can also regard a part for jet chimney as, rather than the part of moise-heat sterilization pin).Sleeve with Whorl of base is connected, and when needle tubing is damaged, sleeve can be backed out from base, is changed for needle tubing.
This technology provides the sterilising soil by steam pin that a kind of intensity high, good airproof performance, easily changeable batch (-type) export steam, During insertion soil, needle tubing is retracted upwards under soil resistance effect, and high-temperature steam flows into needle tubing through air intake, from steam drain row Go out, sterilizing is carried out to soil;Extract soil when, needle tubing is extended downwardly under the action of the spring, and air intake is closed, steam without Method is discharged, it is to avoid waste of steam.

Claims (7)

1. batch (-type) sterilising soil by steam pin, it is characterized in that:It includes sleeve, needle tubing;Stretch on needle tubing top with air intake Sleeve pipe is stretched out in sleeve inner, the needle tubing bottom with steam drain;Needle tubing axially can be arranged in sleeve up or down; When needle tubing moves to top relative to sleeve, the inner space of upper cartridge is connected by air intake with needle tubing inner space It is logical;When needle tubing moves to bottom relative to sleeve, inner space and the needle tubing inner space of upper cartridge are not communicated with.
2. batch (-type) sterilising soil by steam pin as claimed in claim 1, it is characterized in that:It also includes the end with diameter greater than needle tubing Lid;Sleeve lining has land;Sleeve inner is stretched into through land in needle tubing top with air intake;Needle tubing upper end is sealed by end cap Close;So that needle tubing moves in the axial direction the elasticity unit to bottom relative to land when being provided with normality between sleeve and needle tubing Part;When needle tubing moves to bottom relative to land, end cap periphery contacts with the upper surface of land, needle tubing inner space and sleeve The inner space on top is not communicated with;When needle tubing overcomes the active force of flexible member to move to top relative to land, end cap with The upper surface of land separates, and air intake is located at land top, and the inner space of upper cartridge is empty with needle tubing inside by air intake Between be connected.
3. batch (-type) sterilising soil by steam pin as claimed in claim 2, it is characterized in that:Have on sleeve lining below land There is interior limited step, have with interior limited step in axially opposing outer limited step on the outer wall of needle tubing;Outer limited step It is needle tubing relative to the high limit position that land is moved up with interior limited step when axially contact.
4. batch (-type) sterilising soil by steam pin as claimed in claim 3, it is characterized in that:There is elasticity unit on the outer wall of needle tubing Part support level;Flexible member support level is on outer limited step top;Flexible member support level is located at land lower section, with ring Platform lower surface is axially opposing;The flexible member is located between flexible member support level and land lower surface;Land inwall and The first sealing ring is provided between the needle tubing outer wall corresponding with land inwall;With the set between interior limited step below land Cylinder inwall is sleeve middle part inwall, and the needle tubing outer wall between flexible member support level and outer limited step is outer for needle tubing middle part Wall, the second sealing ring is provided between sleeve middle part inwall and needle tubing middle part outer wall.
5. batch (-type) sterilising soil by steam pin as claimed in claim 2, it is characterized in that:The end cap relative with the upper surface of land Sealing gasket is set on lower surface.
6. batch (-type) sterilising soil by steam pin as claimed in claim 1, it is characterized in that:It also includes a taper needle point, pin The big end in tapering of point is fixed with needle tubing, and the tapering outside diameter of needle point is more than needle tubing;Steam drain is located on the wall of needle tubing side.
7. batch (-type) sterilising soil by steam pin as claimed in claim 1, it is characterized in that:Sleeve pipe upper periphery has external screw thread, Stop flange is fixed in the sleeve pipe periphery of externally threaded bottom.
CN201710159515.XA 2017-03-17 2017-03-17 Intermittent soil steam sterilizing needle Active CN106729796B (en)

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CN201710159515.XA CN106729796B (en) 2017-03-17 2017-03-17 Intermittent soil steam sterilizing needle

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CN106729796B CN106729796B (en) 2023-01-20

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111758714A (en) * 2020-07-03 2020-10-13 徐州蔬客达农业科技有限公司 High-temperature hot-air soil sterilization device and use method thereof
CN115005948A (en) * 2022-07-15 2022-09-06 广东精美医疗科技有限公司 Hair-planting handle and hair-planting machine
CN116672470A (en) * 2023-07-12 2023-09-01 甘肃省农业科学院植物保护研究所 Soil steam sterilizer for pest control

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2854765A1 (en) * 2003-05-13 2004-11-19 Michel Verdiani Soil steriliser has pressurised steam generator connected to perforated tubes on spring-loaded tines that penetrate soil on towed frame
CN203369295U (en) * 2013-07-30 2014-01-01 孙腾腾 Axial movement sealing heat injection mechanism
CN105031678A (en) * 2015-09-15 2015-11-11 南京林业大学 Soil steam sterilization machine
CN105338810A (en) * 2013-06-21 2016-02-17 金有信 Steam type pest extermination apparatus
CN207323735U (en) * 2017-03-17 2018-05-08 南京林业大学 Intermittent sterilising soil by steam pin

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2854765A1 (en) * 2003-05-13 2004-11-19 Michel Verdiani Soil steriliser has pressurised steam generator connected to perforated tubes on spring-loaded tines that penetrate soil on towed frame
CN105338810A (en) * 2013-06-21 2016-02-17 金有信 Steam type pest extermination apparatus
CN203369295U (en) * 2013-07-30 2014-01-01 孙腾腾 Axial movement sealing heat injection mechanism
CN105031678A (en) * 2015-09-15 2015-11-11 南京林业大学 Soil steam sterilization machine
CN207323735U (en) * 2017-03-17 2018-05-08 南京林业大学 Intermittent sterilising soil by steam pin

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111758714A (en) * 2020-07-03 2020-10-13 徐州蔬客达农业科技有限公司 High-temperature hot-air soil sterilization device and use method thereof
CN115005948A (en) * 2022-07-15 2022-09-06 广东精美医疗科技有限公司 Hair-planting handle and hair-planting machine
CN116672470A (en) * 2023-07-12 2023-09-01 甘肃省农业科学院植物保护研究所 Soil steam sterilizer for pest control
CN116672470B (en) * 2023-07-12 2023-12-12 甘肃省农业科学院植物保护研究所 Soil steam sterilizer for pest control

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