CN114514805A - Dry ice powder blasting cultivation device and working method - Google Patents
Dry ice powder blasting cultivation device and working method Download PDFInfo
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- CN114514805A CN114514805A CN202210027137.0A CN202210027137A CN114514805A CN 114514805 A CN114514805 A CN 114514805A CN 202210027137 A CN202210027137 A CN 202210027137A CN 114514805 A CN114514805 A CN 114514805A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B35/00—Other machines for working soil not specially adapted for working soil on which crops are growing
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B35/00—Other machines for working soil not specially adapted for working soil on which crops are growing
- A01B35/20—Tools; Details
- A01B35/22—Non-rotating tools; Resilient or flexible mounting of rigid tools
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
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- Engineering & Computer Science (AREA)
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Abstract
The invention discloses a dry ice blasting cultivation device and a working method, and relates to the technical field of agricultural equipment, wherein a dry ice powder storage device is communicated with a telescopic pipe, and an opening and closing head is arranged below the telescopic pipe; the outer wall of the extension tube is connected with one end of a connecting rod, the other end of the connecting rod is connected to a hydraulic mechanism, and the hydraulic mechanism works to drive the extension tube to move up and down; a conical cylindrical resonator support is arranged in the telescopic pipe, and an air inlet, a powder inlet and a powder outlet are formed in the conical cylindrical resonator support; the gas enters a Laval tube arranged in the conical cylindrical resonant body bracket through a gas inlet, enters the conical cylindrical resonant cavity through an outlet at the outlet end of the Laval tube and then flows out; the dry ice powder enters through the powder inlet and then is mixed with the gas at the outlet of the conical cylindrical resonant cavity and then is sprayed out through the powder outlet; the dry ice powder is exploded and sprayed out through the powder outlet, and the elastic piece works under the action of impact force to open the opening and closing head. The invention can realize the effect of shallow ploughing and loosening soil.
Description
Technical Field
The invention relates to the technical field of agricultural equipment, in particular to a dry ice blasting cultivation device and a working method.
Background
Dry ice blasting, a new method that rock was abolished, along with the progress of science and technology, more and more engineering project has adopted dry ice blasting technique, and dry ice has more the security than the explosive, does not belong to civil blasting product, does not have destructive vibrations and shortwave in the blasting process, and the raise dust proportion reduces, and is little to the surrounding environment influence.
The main problems of the farming in China are that the energy consumption and the time consumption are high, the cost is high, the plowing depth is not enough, the quality of reserved farmland resources is poor, the number of mountainous regions is large, the number of flat lands is small, and the number of high-fertility lands, medium-fertility lands and low-fertility lands is large.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a dry ice powder blasting cultivation device which integrates a dry ice blasting technology, a heating spray head technology and an open-close type protection device technology so as to achieve the effect of shallow ploughing and loosening soil.
The present invention achieves the above-described object by the following technical means.
A dry ice powder blasting cultivation device comprises a rack, wherein a dry ice powder storage device is arranged below the rack and is communicated with a telescopic pipe, and an opening and closing head is arranged below the telescopic pipe;
the outer wall of the telescopic pipe is connected with one end of a connecting rod, the other end of the connecting rod is connected to a hydraulic mechanism, and the hydraulic mechanism works to drive the telescopic pipe to move up and down;
a conical cylindrical resonator support is arranged in the telescopic pipe, and an air inlet, a powder inlet and a powder outlet are formed in the conical cylindrical resonator support; the gas enters a Laval tube arranged in the conical cylindrical resonant body bracket through a gas inlet, enters the conical cylindrical resonant cavity through an outlet at the outlet end of the Laval tube and then flows out;
the dry ice powder enters through the powder inlet and then is mixed with the gas at the outlet of the conical cylindrical resonant cavity and then is sprayed out through the powder outlet;
the powder outlet is arranged above the opening and closing head, dry ice powder is sprayed out through the powder outlet, and the elastic piece works under the action of impact force to open the opening and closing head.
In the scheme, the air inlet is communicated with the ventilation steel pipe, and the ventilation steel pipe leads the gas compressed by the air compressor into the air inlet.
In the above scheme, the dry ice in the dry ice powder storage device enters the powder inlet through the powder inlet pipeline.
In the scheme, the transmission gearbox and the air compressor are arranged above the rack.
In the scheme, the diameter of the air inlet of the Laval pipe is 6-8 mm, the diameter of the throat is 2.2-2.6 mm, and the diameter of the air outlet is 5-7 mm.
In the above scheme, the opening and closing head is in an inverted cone structure.
In the above scheme, the conical cylindrical resonant cavity is arranged on the conical cylindrical resonator, the air inlet end of the conical cylindrical resonator is communicated with the air outlet end of the laval tube, and the air outlet end is arranged in the resonant cavity; the conical cylindrical resonator body is supported by a conical cylindrical resonator body support.
In the above scheme, the resonant cavity is a part of the conical cylindrical resonator support, and the resonant cavity is provided with a powder inlet and a powder outlet, wherein the powder outlet is close to the air outlet end of the conical cylindrical resonant cavity.
The working method of the dry ice powder blasting cultivation device comprises the following steps:
the method comprises the following steps: the hydraulic mechanism brings the opening and closing head to a certain position below the soil;
step two: the air compressor starts to work, an output port of the air compressor is connected with the ventilating steel pipe through an air pipe, the ventilating steel pipe is connected with the air inlet, the air inlet starts to admit air, powder is fed from the powder inlet, and dry ice powder enters through the powder inlet and then is converged with gas at the outlet of the conical cylindrical resonant cavity and then is sprayed out through the powder outlet;
step three: under the action of impact force, the gas impacts the opening and closing head to open the opening and closing head;
step four: after the dry ice powder is sprayed out, the opening and closing head is closed under the action of elastic restoring force, and meanwhile, the opening and closing head is quickly lifted out of the soil by the hydraulic mechanism.
The invention has the advantages that:
1. the conventional cultivation mode has high requirements on the strength and toughness of rotary cultivation cutters, the cutters are easy to damage, more in energy consumption and time consumption and high in cost, and the dry ice blasting cultivation device and the working method can reduce the use of the cutters and reduce the cost.
2. When the dry ice is used for blasting cultivated land, the soil structure is improved, the cohesive force of surface soil is not influenced, the influence on the root system of the plant is not caused, destructive vibration and short wave are not generated in the dry ice blasting process, the dust raising proportion is reduced, and the influence on the surrounding environment is small;
3. a dry ice powder inlet is formed in the resonant cavity at the highest temperature of the heating spray head, airflow flowing in from the air inlet is oscillated by the resonant tube to form hot airflow, the hot airflow is mixed with the dry ice powder in the resonant cavity to heat the dry ice powder, dry ice powder particles are heated and sublimated into carbon dioxide gas to be sprayed out and form transient high pressure, and the high-pressure gas is released in soil to achieve the effect of soil plowing;
4. the telescopic pipe and the opening and closing head are arranged outside the heating spray head and used for protecting the heating spray head from being blocked, and meanwhile, the telescopic rod and the hydraulic cylinder are used in the process of breaking soil at the opening and closing head, so that the heating spray head is convenient and quick to use, and time and labor are saved.
Drawings
FIG. 1 is a schematic structural view of a dry ice powder blasting cultivation device according to the present invention;
FIG. 2 is a front view of a dry powder blasting cultivation device according to the present invention;
FIG. 3 is a schematic view of a heating spray head according to the present invention;
FIG. 4 is a schematic top view of the opening/closing head according to the present invention;
FIG. 5 is a schematic view of an external structure of the retractable protection device according to the present invention;
fig. 6 is a schematic view of a laval tube according to the present invention.
The reference numbers are as follows:
1-a suspension device, 2-a transmission gearbox, 3-a frame, 4-a dry ice powder storage device, 5-a telescopic pipe, 6-an opening and closing head, 7-a connecting rod, 8-a hydraulic rod, 9-a hydraulic cylinder, 10-an air compressor, 11-a powder outlet, 12-a conical resonant cavity, 13-a powder inlet, 14-a Laval pipe, 15-an air inlet, 16-a conical resonant body and 17-a resonant cavity; 18-a cone-cylinder resonator cradle; 19-a steel breather pipe; 20-a powder inlet pipeline; 21-elastic member.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "axial," "radial," "vertical," "horizontal," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the figures, which are based on the orientation or positional relationship shown in the figures, and are used for convenience in describing the present invention and to simplify the description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
A dry ice powder blasting cultivation device comprises a rack 3, a dry ice powder storage device 4 is arranged below the rack 3, the dry ice powder storage device 4 is communicated with a telescopic pipe 5, and an opening and closing head 6 is arranged below the telescopic pipe 5;
the outer wall of the telescopic pipe 5 is connected with one end of a connecting rod 7, the other end of the connecting rod 7 is connected to a hydraulic mechanism, and the hydraulic mechanism works to drive the telescopic pipe 5 to move up and down;
a conical cylindrical resonant body bracket 18 is arranged in the telescopic pipe 5, and an air inlet 15, a powder inlet 13 and a powder outlet 11 are formed in the conical cylindrical resonant body bracket 18; wherein, the gas enters a Laval tube 14 arranged in the conical cylindrical resonant body bracket 18 through a gas inlet 15, enters the conical cylindrical resonant cavity 12 through an outlet at the outlet end of the Laval tube 14 and then flows out;
after entering through the powder inlet 13, the dry ice powder is converged with the gas at the outlet of the conical cylindrical resonant cavity 12 and then is sprayed out through the powder outlet 11;
the powder outlet 11 is arranged above the opening and closing head 6, dry ice powder is exploded and sprayed out through the powder outlet 11, and under the action of impact force, the elastic piece 21 works to open the opening and closing head 6.
In the scheme, the air inlet 15 is communicated with the ventilation steel pipe 19, and the ventilation steel pipe 19 leads the air compressed by the air compressor 10 into the air inlet 15.
In the above scheme, the dry ice in the dry ice powder storage device 4 enters the powder inlet 11 through the powder inlet pipeline 20.
In the scheme, a transmission gearbox 2 and an air compressor 10 are arranged above the frame 3.
In the scheme, the diameter of the air inlet of the Laval pipe 14 is 6-8 mm, the diameter of the throat is 2.2-2.6 mm, and the diameter of the air outlet is 5-7 mm.
In the above scheme, the opening and closing head 6 is in an inverted cone structure.
In the above scheme, the conical cylindrical resonant cavity 12 is arranged on the conical cylindrical resonator 16, an air inlet end of the conical cylindrical resonator 16 is communicated with an air outlet end of the laval tube 14, and the air outlet end is arranged in the resonant cavity 17; the cone-cylindrical resonator body 16 is supported by a cone-cylindrical resonator body support 18.
In the above scheme, the resonant cavity 17 is a part of the conical cylindrical resonant body support 18, and the resonant cavity 17 is provided with a powder inlet 13 and a powder outlet 11, wherein the powder outlet 11 is close to the air outlet end of the conical cylindrical resonant cavity 12.
The working method of the dry ice powder blasting cultivation device comprises the following steps:
the method comprises the following steps: the hydraulic mechanism brings the opening and closing head 6 to a certain position below the soil;
step two: the air compressor 10 starts to work, the output port of the air compressor 10 is connected with the air-permeable steel pipe 19 through an air pipe, the air-permeable steel pipe 19 is connected with the air inlet 15, the air inlet 15 starts to intake air, powder is fed from the powder inlet 13, and dry ice powder enters through the powder inlet 13, is mixed with the air at the outlet of the conical cylindrical resonant cavity 12 and is sprayed out through the powder outlet 11;
step three: under the action of impact force, the gas impacts the opening and closing head 6 to open the opening and closing head 6;
step four: after the dry ice powder is sprayed out, the opening and closing head 6 is closed under the action of elastic restoring force, and meanwhile, the opening and closing head 6 is quickly lifted out of the soil by the hydraulic mechanism.
Referring to fig. 1 to 4, the dry ice powder blasting cultivation device of the present invention includes a suspension device 1, a transmission gearbox 2, a frame 3, a dry ice powder storage device 4, an extension tube 5, an opening and closing head 6, a connecting rod 7, a hydraulic rod 8, a hydraulic cylinder 9, an air compressor 10, a powder outlet 11, a conical resonant cavity 12, a powder inlet 13, a laval tube 14, an air inlet 15, a conical resonant body 16, a resonant cavity 17, a conical resonant body support 18, a ventilation steel tube 19, a powder inlet pipeline 20, and an elastic member 21;
referring to the attached drawing 1, the overall structure of the invention is that the power is transmitted from the power output shaft at the rear part of the tractor to the gear box 2 through the universal joint to drive the frame 3 to move, the hydraulic cylinder 9 is started to drive the hydraulic rod 8 to move downwards, and then the connecting rod 7 drives the open-close type protection device to move downwards to break the ground, and the heating spray head starts to work.
Referring to the attached drawing 2, which is a front view of the dry ice powder blasting cultivation device of the present invention, an air compressor 10 is fixedly installed on a frame 3, an output port of the air compressor 10 is connected with a ventilation steel pipe 19 through an air pipe, the ventilation steel pipe 19 is fixedly connected with an air inlet 15 of a heating spray head, the air compressor 10 compresses air and then inputs the air into the ventilation steel pipe 19 through the air pipe, the air pipe is connected with the ventilation steel pipe 19 through a joint, and the ventilation steel pipe 19 conveys the air into a laval pipe 14. When the air compressor 10 is opened to adjust the air pressure to a certain value, gas enters the heating spray head from the ventilation steel pipe 19, at the moment, the speed of the gas is in subsonic speed, the gas passes through the Laval pipe 14 and then is changed from subsonic speed to supersonic speed, the gas immediately after the supersonic speed enters the resonant cavity, the gas vibrates at high speed in the cavity and generates shock waves, high-temperature gas of hundreds or even thousands of degrees centigrade is rapidly generated in a short time under the action, dry ice powder enters the resonant cavity from the dry ice powder storage device 4 through the powder inlet pipeline 20 and is mixed with the high-temperature gas and then is sprayed and exploded through the powder outlet 11, the device is lifted up by the automatic lifting device, and three springs 21 drive three side plates of the opening and closing head 6 to be closed.
Referring to fig. 3, the heating nozzle device of the present invention is characterized in that firstly, due to the heating principle of the pneumatic ultrasonic resonance tube, the pneumatic ultrasonic resonance tube mainly comprises a laval tube 14 and a resonance cavity 17, the under-expanded sonic gas ejected from the nozzle enters the resonance cavity 17, under certain conditions, the jet flow of the nozzle is coupled with the inner flow of the resonance tube, and along with the air flow flowing into and flowing out of the resonance tube, shock waves and expansion waves which alternately move in the tube, namely pressure oscillation is generated, and the obvious unsteady and periodic characteristics of the oscillation are the main reason for the formation of the thermal phenomenon of the pneumatic resonance tube. Through simulation analysis, when 0.5MPa gas is input at the gas inlet, the highest heating temperature reaches about 623K, the heat effect is uniform, and the temperature is also highest at the gas outlet. The heating spray head utilizes a pneumatic ultrasonic resonance tube to generate hot air flow, a dry ice powder inlet 13 is arranged at the resonant cavity 17 with the highest temperature, the air flow flowing in from an air inlet 15 is oscillated by the resonance tube to form hot air flow, the hot air flow is mixed with the dry ice powder in the resonant cavity 17 to heat the dry ice powder, dry ice powder particles are heated and sublimated into carbon dioxide gas to be sprayed out and form transient high pressure, and the high-pressure gas is released in soil to achieve the effect of soil plowing; the diameter of the air inlet pipe is 13-15 mm, the length of the air inlet pipe is 28-31 mm, and the diameter of the powder inlet 13 is 4-6 mm; the diameter of an inlet of the Laval pipe 14 is 8-10 mm, the diameter of a throat is 2.2-2.6 mm, and the diameter of an outlet is 5-7 mm; the diameter of the inlet of the resonator body 16 corresponds to the diameter of the laval pipe 14.
Referring to fig. 4, the top view of the retractable head 6 of the present invention is shown in the drawing, three springs are fixedly connected inside the retractable tube 5, the three springs are respectively fixedly connected with the three retractable heads 6, and one end of each of the three springs is respectively and fixedly mounted on an inner side plate of three side plates inside the retractable head 6.
Referring to fig. 5, which is a schematic view of the external structure of the open-close type protection device of the present invention, the open-close head 6 is in an inverted cone shape, and enters soil under the driving of the automatic lifting device, and when the soil reaches a certain depth, the heating spray head starts to work, and the gas is sprayed to impact the open-close head 6, so that the three open-close heads 6 are opened.
With reference to fig. 6, which is a schematic view of a streamline of the laval tube 14, the diameter of an air inlet of the laval tube 14 is 6-8 mm, the diameter of a throat is 2.2-2.6 mm, and the diameter of an air outlet is 5-7 mm, under a normal working state, the speed of an air flow is subsonic when the air flow passes through a contraction stage, the air flow passes through the throat, namely an acceleration stage, reaches a sonic speed, and the air flow enters an expansion stage and is supersonic until the air flow reaches the outlet. As shown by the differential expression of the mass continuity equation for the flow cell in the laval tube 14: ρ uA ═ is constant (ρ + d ρ) (u + du) (a + dA), where ρ is density, u is fluid velocity, and a is cross-sectional area; then according to the relation between the air velocity and the flow passage sectional area, the formula is as follows:
m is the Mach number of the air flow, and the formula shows that when the air flow is subsonic and M is less than 1, if du is more than 0, dA is less than 0; if du < 0, dA > 0. The above description shows that when the subsonic gas flow moves along the streamline of the laval pipe in an accelerating way, the fluid sectional area is necessarily gradually reduced; when flowing at supersonic speed, M > 1, if du > 0, dA > 0; if du < 0, dA < 0. The above description shows that when the supersonic gas flow moves along the streamline of the laval pipe 14 with acceleration, the cross-sectional area of the flow must be increased slowly, and the supersonic flow is opposite to the subsonic flow. In summary, the effectiveness is best when the mach number M of the gas flow at the throat of the laval tube is 1.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made in the above embodiments by those of ordinary skill in the art without departing from the principle and spirit of the present invention.
Claims (9)
1. A dry ice powder blasting cultivation device is characterized by comprising a rack (3), wherein a dry ice powder storage device (4) is arranged below the rack (3), the dry ice powder storage device (4) is communicated with a telescopic pipe (5), and an opening and closing head (6) is arranged below the telescopic pipe (5);
the outer wall of the telescopic pipe (5) is connected with one end of a connecting rod (7), the other end of the connecting rod (7) is connected to a hydraulic mechanism, and the hydraulic mechanism works to drive the telescopic pipe (5) to move up and down;
a conical cylindrical resonant body support (18) is arranged in the telescopic pipe (5), and an air inlet (15), a powder inlet (13) and a powder outlet (11) are formed in the conical cylindrical resonant body support (18); wherein, the gas enters a Laval tube (14) arranged in the conical cylindrical resonant body bracket (18) through a gas inlet (15), enters the conical cylindrical resonant cavity (12) through an outlet at the outlet end of the Laval tube (14) and then flows out; the dry ice powder enters through the powder inlet (13), is converged with gas at the outlet of the conical cylindrical resonant cavity (12), and is sprayed out through the powder outlet (11);
the powder outlet (11) is arranged above the opening and closing head (6), dry ice powder is exploded and sprayed out through the powder outlet (11), and the elastic piece (21) works under the action of impact force to open the opening and closing head (6).
2. A dry ice powder blasting cultivation device according to claim 1, characterized in that the air inlet (15) communicates with a ventilation steel pipe (19), and the ventilation steel pipe (19) leads the air compressed by the air compressor (10) to the air inlet (15).
3. A dry ice powder blast cultivation device as claimed in claim 1, characterized in that the dry ice in the dry ice powder storage device (4) enters the powder inlet (13) through a powder inlet pipe (20).
4. A dry ice powder blast cultivation device according to claim 1, characterized in that a transmission gearbox (2) and an air compressor (10) are arranged above the frame (3).
5. A dry ice powder blasting cultivation device as claimed in claim 1, wherein the inlet of the Laval tube (14) has a diameter of 6-8 mm, the throat has a diameter of 2.2-2.6 mm, and the outlet has a diameter of 5-7 mm.
6. A dry ice powder blast cultivation device as claimed in claim 1, characterized in that the opening and closing head (6) is of an inverted cone structure.
7. A dry ice powder blasting cultivation device according to claim 1, wherein the conical cylindrical resonant cavity (12) is arranged on a conical cylindrical resonator (16), an air inlet end of the conical cylindrical resonator (16) is communicated with an air outlet end of the laval tube (14), and the air outlet end is arranged in the resonant cavity (17); the conical cylindrical resonator body (16) is supported by a conical cylindrical resonator body support (18).
8. A dry ice powder blasting cultivation device according to claim 7, wherein the resonant cavity (17) is part of a conical cylindrical resonator support (18), and the resonant cavity (17) is provided with a powder inlet (13) and a powder outlet (11), wherein the powder outlet (11) is close to the air outlet end of the conical cylindrical resonant cavity (12).
9. A method of operating a dry ice powder blast cultivation device according to claim 7, characterized by comprising the steps of:
the method comprises the following steps: the opening and closing head (6) is brought to a certain position below the soil by the hydraulic mechanism;
step two: the air compressor (10) starts to work, an output port of the air compressor (10) is connected with a ventilating steel pipe (19) through an air pipe, the ventilating steel pipe (19) is connected with an air inlet (15), the air inlet (15) starts to admit air, powder is fed from a powder inlet (13), and dry ice powder enters through the powder inlet (13), is converged with gas at an outlet of the conical cylindrical resonant cavity (12) and is sprayed out through a powder outlet (11);
step three: under the action of impact force, the gas impacts the opening and closing head (6) to open the opening and closing head (6);
step four: after the dry ice powder is sprayed out, the opening and closing head (6) is closed under the action of elastic restoring force, and meanwhile, the opening and closing head (6) is quickly lifted out of the soil by the hydraulic mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210027137.0A CN114514805A (en) | 2022-01-11 | 2022-01-11 | Dry ice powder blasting cultivation device and working method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210027137.0A CN114514805A (en) | 2022-01-11 | 2022-01-11 | Dry ice powder blasting cultivation device and working method |
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| CN114514805A true CN114514805A (en) | 2022-05-20 |
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| CN202210027137.0A Pending CN114514805A (en) | 2022-01-11 | 2022-01-11 | Dry ice powder blasting cultivation device and working method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4429647A (en) * | 1980-08-18 | 1984-02-07 | Eugen Zinck | Method of and device for loosening agriculturally used soil |
| US6315639B1 (en) * | 1997-12-05 | 2001-11-13 | Jens Werner Kipp | Blasting method for cleaning pipes |
| CN104718818A (en) * | 2015-04-01 | 2015-06-24 | 成都天本生物科技有限公司 | Soil loosening system based on airflow ejection soil loosening |
| US20180054955A1 (en) * | 2016-08-29 | 2018-03-01 | Troy Oliver | Agriculture System and Method |
| CN108377677A (en) * | 2018-03-27 | 2018-08-10 | 湖南省土壤肥料研究所 | A kind of carbon dioxide expanded loosening device and method |
| CN112470640A (en) * | 2020-11-23 | 2021-03-12 | 西南交通大学 | Soil loosening and applying device and system |
-
2022
- 2022-01-11 CN CN202210027137.0A patent/CN114514805A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4429647A (en) * | 1980-08-18 | 1984-02-07 | Eugen Zinck | Method of and device for loosening agriculturally used soil |
| US6315639B1 (en) * | 1997-12-05 | 2001-11-13 | Jens Werner Kipp | Blasting method for cleaning pipes |
| CN104718818A (en) * | 2015-04-01 | 2015-06-24 | 成都天本生物科技有限公司 | Soil loosening system based on airflow ejection soil loosening |
| US20180054955A1 (en) * | 2016-08-29 | 2018-03-01 | Troy Oliver | Agriculture System and Method |
| CN108377677A (en) * | 2018-03-27 | 2018-08-10 | 湖南省土壤肥料研究所 | A kind of carbon dioxide expanded loosening device and method |
| CN112470640A (en) * | 2020-11-23 | 2021-03-12 | 西南交通大学 | Soil loosening and applying device and system |
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