CN112939651A - Environment-friendly pollution-free fallen leaf treatment device - Google Patents
Environment-friendly pollution-free fallen leaf treatment device Download PDFInfo
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- CN112939651A CN112939651A CN202110119758.7A CN202110119758A CN112939651A CN 112939651 A CN112939651 A CN 112939651A CN 202110119758 A CN202110119758 A CN 202110119758A CN 112939651 A CN112939651 A CN 112939651A
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- side wall
- electrical contact
- reaction box
- environment
- lateral wall
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
- C05F17/90—Apparatus therefor
- C05F17/964—Constructional parts, e.g. floors, covers or doors
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
- C05F17/60—Heating or cooling during the treatment
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Biotechnology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Microbiology (AREA)
- Molecular Biology (AREA)
- Organic Chemistry (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses an environment-friendly pollution-free fallen leaf treatment device which comprises a reaction box inserted into the ground, wherein the side wall of the reaction box is rotatably connected with a sealing cover, the side wall of the bottom end of the reaction box is provided with a round hole, the side wall of the reaction box is provided with an annular groove, the side wall of the annular groove is fixedly connected with absorbent cotton, one end of the absorbent cotton is connected with external soil, the side wall of the absorbent cotton is inserted with an electric heating rod, the side wall of the top end of the annular groove is inserted with a first electric contact, the side wall of the bottom end of the annular groove is inserted with a second electric contact, and the first electric contact, the second electric contact and mains supply are electrically connected. The invention relates to the technical field of garden fallen leaf treatment equipment, which utilizes a moist-heat environment favored by microorganisms to provide a moist-heat environment to accelerate the propagation of the microorganisms, improve the corrosion speed of fallen leaves, cut the fallen leaves and improve the contact area between the microorganisms and the fallen leaves.
Description
Technical Field
The invention relates to the technical field of garden fallen leaf treatment equipment, in particular to an environment-friendly pollution-free fallen leaf treatment device.
Background
Gardens, refer to the natural environment and recreational areas of a particular culture. The garden is a beautiful natural environment and a rest area which are created by applying engineering technology and artistic means in a certain region and modifying the terrain to plant trees, flowers and plants, build buildings, arrange garden roads and the like, and is called as a garden. In the traditional Chinese architecture, the classical garden architecture is a unique one and has great achievement.
Autumn comes temporarily, and the trees of gardens can fall more fallen leaves, and fallen leaves generally can be clear away by the cleaners, and the corruption of leaf can add fertilizer for soil, makes the fertility of soil obtain the compensation, but if pile up in gardens, firstly be unfavorable for the pleasing to the eye of gardens, secondly the leaf is slower by the speed that the microorganism corrodes.
Therefore, an environment-friendly pollution-free fallen leaf processing device is provided to solve the problems.
Disclosure of Invention
The invention aims to solve the problem of poor fallen leaf treatment effect, and provides an environment-friendly pollution-free fallen leaf treatment device.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an environmental protection pollution-free fallen leaf processing apparatus, is including inserting the reaction box of establishing on ground, the lateral wall of reaction box rotates and is connected with the closing cap, the round hole has been seted up to the bottom lateral wall of reaction box, the ring channel has been seted up to the lateral wall of reaction box, the lateral wall fixedly connected with cotton that absorbs water of ring channel, the cotton one end that absorbs water links to each other with external soil, the cotton lateral wall that absorbs water is inserted and is equipped with the electric bar, the top lateral wall of ring channel is inserted and is equipped with first electrical contact, the bottom lateral wall of ring channel is inserted and is equipped with the second electrical contact, first electrical contact, second electrical contact and commercial power adopt electric connection.
Preferably, the top lateral wall of reaction box has seted up square groove, the bottom lateral wall in square groove inlays and is equipped with the third electrical contact, the bottom lateral wall fixedly connected with fixed picture peg of closing cap, the lateral wall of fixed picture peg inlays and is equipped with the fourth electrical contact, third electrical contact and fourth electrical contact adopt electric connection.
Preferably, a handle is fixedly connected to the side wall of the top end of the sealing cover, and a round corner is arranged on the side wall of the handle.
Preferably, the top lateral wall on ground is provided with the bracing piece, the top lateral wall of bracing piece is provided with solar cell panel, solar cell panel's inside wall is provided with the battery, battery and electric bar adopt electric connection.
Preferably, the bottom side wall fixedly connected with planking of closing cap, the inside wall sliding connection of planking has the inner panel, the bottom side wall fixedly connected with permanent magnet of planking, the bottom side wall of inner panel inlays and is equipped with the electro-magnet, the N utmost point of electro-magnet is relative with the N utmost point of permanent magnet.
Preferably, the top end side wall of the inner plate is provided with a sharp corner.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention puts fallen leaves into a reaction box, closes a sealing cover, utilizes the connection of a third electric contact and a fourth electric contact to electrify and heat an electric heating rod, the absorbent cotton absorbs water of external soil, the electric heating rod heats the water in the absorbent cotton, water molecules are different at different temperatures by utilizing the evaporation principle, namely the average molecular kinetic energy is different, the kinetic energy of individual molecules is different, the distribution condition and the speed are high and low, if the molecules with high speed are on the surface, the acting force among the molecules can be broken off, the molecules run out, the evaporation is formed, the water in the absorbent cotton is heated, the water in the absorbent cotton is evaporated to form water vapor, because the reaction box is a closed space, the inside of the reaction box forms a damp and hot environment, a proper living environment is provided for microorganisms, the microorganisms are accelerated to breed, the corrosion to the leaves is improved, and the efficiency of the leaves to become soil fertilizers is accelerated, the corroded leaves are combined with soil through the circular holes to form a fixed fertilizer, so that the fertilizer of garden soil is improved;
2. in the invention, when the absorbent cotton absorbs water of external soil, the first electric contact and the second electric contact form a closed loop through the water, the electromagnet is electrified to form magnetic force, the electromagnet is subjected to repulsion force by utilizing the fact that the N pole of the electromagnet is opposite to the N pole of the permanent magnet, the inner plate moves downwards, the inner plate shreds fallen leaves, when the electric bar evaporates the water of the absorbent cotton to be dry, the first electric contact and the second electric contact are disconnected, the inner plate is absorbed by the permanent magnet through the electromagnet, when the absorbent cotton has water next time, cutting the fallen leaves again to increase the contact area between the fallen leaves and the microorganisms and accelerate the corrosion speed of the fallen leaves, and by utilizing the third electric contact and the fourth electric contact, when the fixed inserting plate is inserted into the square groove, the third electric contact is contacted with the fourth electric contact, the electric heating rod is started when the sealing cover is closed, and the circuit can be disconnected when the sealing cover is opened, so that the electric heating rod is not electrified.
Drawings
FIG. 1 is a schematic diagram of a front view of an environment-friendly and pollution-free fallen leaf processing apparatus according to the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 3 is a schematic top view of an environmental-friendly and pollution-free fallen leaves processing apparatus according to the present invention;
fig. 4 is an enlarged schematic view of a portion B in fig. 3.
In the figure: 1. a reaction box; 2. sealing the cover; 3. a handle; 4. a solar panel; 5. fixing the inserting plate; 6. a square groove; 7. four electrical contacts; 8. a circular hole; 9. a third electrical contact; 10. a first electrical contact; 11. a second electrical contact; 12. absorbent cotton; 13. an electric heating rod; 14. an inner plate; 15. an outer plate; 16. an electromagnet; 17. and a permanent magnet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
The first embodiment is as follows:
referring to fig. 1-3, an environment-friendly pollution-free fallen leaf processing device comprises a reaction box 1 inserted on the ground, wherein the side wall of the reaction box 1 is rotatably connected with a sealing cover 2, the side wall of the bottom end of the reaction box 1 is provided with a round hole 8, the side wall of the reaction box 1 is provided with an annular groove, the side wall of the annular groove is fixedly connected with absorbent cotton 12, one end of the absorbent cotton 12 is connected with external soil, the side wall of the absorbent cotton 12 is inserted with an electric heating rod 13, the side wall of the top end of the annular groove is inserted with a first electric contact 10, the side wall of the bottom end of the annular groove is inserted with a second electric contact 11, and the first electric contact 10, the second electric contact.
The top side wall of the reaction box 1 is provided with a square groove 6, the bottom side wall of the square groove 6 is embedded with a third electric contact 9, the bottom side wall of the sealing cover 2 is fixedly connected with a fixed plugboard 5, the side wall of the fixed plugboard 5 is embedded with a fourth electric contact 7, the third electric contact 9, the fourth electric contact 7 and the electric heating rod 13 are electrically connected, the connection mode and the working principle among all electric appliance components belong to the known technology in the field, and redundant description is not repeated here.
By utilizing the third electric contact 9 and the fourth electric contact 7, when the fixed plugboard 5 is inserted into the square groove 6, the third electric contact 9 is contacted with the fourth electric contact 7, the electric heating rod 13 is started when the sealing cover 2 is closed, and the electric circuit can be disconnected when the sealing cover 2 is opened, so that the electric heating rod 13 is not electrified.
The top side wall fixedly connected with handle 3 of closing cap 2, the lateral wall of handle 3 is provided with the fillet.
Utilize the top lateral wall fixedly connected with handle 3 of closing cap 2, the lateral wall of handle 3 is provided with the fillet, is convenient for open closing cap 2.
The top lateral wall on ground is provided with the bracing piece, and the top lateral wall of bracing piece is provided with solar cell panel 4, and solar cell panel 4's inside wall is provided with the battery, and battery and electric bar 13 adopt electric connection.
Utilize the top lateral wall on ground to be provided with the bracing piece, the top lateral wall of bracing piece is provided with solar cell panel 4, and solar cell panel 4's inside wall is provided with the battery, and battery, first electrical contact 10 and second electrical contact 11 adopt electric connection, reduce the power consumption of electric bar 13 consumption.
In the invention, fallen leaves are put into a reaction box 1, a sealing cover 2 is closed, a third electric contact 9 is connected with a fourth electric contact 7 to enable an electric heating rod 13 to be electrified and heated, water in external soil is absorbed by water absorption cotton 12, the water in the water absorption cotton 12 is heated by the electric heating rod 13, water molecules are different in average molecular kinetic energy and kinetic energy of individual molecules by utilizing the principle of evaporation, the water molecules are different in average molecular kinetic energy and have high distribution condition and low speed, if the molecules with high speed are on the surface, the acting force among the molecules can be broken off, the water in water absorption cotton 12 is evaporated and forms water vapor, the reaction box 1 is a closed space, a damp and hot environment is formed in the reaction box 1, a proper living environment is provided for microorganisms, the microorganisms are accelerated to propagate, and the corrosion to the leaves is improved, accelerate the efficiency that the leaf becomes soil fertilizer, the leaf after the corruption combines together through round hole 8 and soil, forms fixed fertilizer, has improved garden soil's fertilizer.
Example two:
referring to fig. 4, the difference from the first embodiment is that: an outer plate 15 is fixedly connected to the bottom side wall of the sealing cover 2, an inner plate 14 is slidably connected to the inner side wall of the outer plate 15, a permanent magnet 17 is fixedly connected to the bottom side wall of the outer plate 15, an electromagnet 16 is embedded in the bottom side wall of the inner plate 14, the N pole of the electromagnet 16 is opposite to the N pole of the permanent magnet 17, the electromagnet 16, the first electrical contact 10 and the second electrical contact 11 are electrically connected, and the connection mode and the working principle among the electrical components belong to the known technology in the field, and are not described in detail herein.
When the absorbent cotton 12 absorbs water in external soil, the first electrical contact 10 and the second electrical contact 11 form a closed loop through the water, the electromagnet 16 is electrified, the electromagnet 16 forms magnetic force, the electromagnet 16 is opposite to the N pole of the permanent magnet 17 by utilizing the N pole of the electromagnet 16, the inner plate 14 moves downwards by repulsive force, the inner plate 14 cuts fallen leaves, when the electric heating rod 13 evaporates water in the absorbent cotton 12 to dry, the connection between the first electrical contact 10 and the second electrical contact 11 is disconnected, the inner plate 14 is attracted by the permanent magnet 17 through the electromagnet 16, the uncharged electromagnet 16 is attracted upwards by the permanent magnet 17 to separate the inner plate 14 from the fallen leaves, the fallen leaves are decomposed and reunited together, because the sponge can absorb more water, when the water amount does not exceed the maximum water absorption range of the sponge, the water cannot fall from the sponge, and therefore the absorbent cotton 12 absorbs water exceeding the maximum water storage amount of the absorbent cotton itself, a certain time is needed, and the water can volatilize under the normal state, so the water falling time is slow, and the water can be cut again when falling down next time, so that the contact area of microorganisms is increased, and the decomposition is accelerated.
The top side wall of the inner plate 14 is provided with a sharp corner. The force for cutting fallen leaves can be reduced.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The utility model provides an environmental protection pollution-free fallen leaf processing apparatus, is including inserting reaction box (1) of establishing on ground, its characterized in that, the lateral wall of reaction box (1) rotates and is connected with closing cap (2), round hole (8) have been seted up to the bottom lateral wall of reaction box (1), the ring channel has been seted up to the lateral wall of reaction box (1), the lateral wall fixedly connected with of ring channel absorbs water cotton (12), the one end of the cotton (12) that absorbs water links to each other with external soil, the lateral wall of the cotton (12) that absorbs water is inserted and is equipped with electric heat bar (13), the top lateral wall of ring channel is inserted and is equipped with first electrical contact (10), the bottom lateral wall of ring channel is inserted and is equipped with second electrical contact (11), first electrical contact (10), second electrical contact (11) and commercial power adopt electric connection.
2. An environment-friendly pollution-free fallen leaf processing device according to claim 1, wherein a square groove (6) is formed in the top side wall of the reaction box (1), a third electrical contact (9) is embedded in the bottom side wall of the square groove (6), a fixed inserting plate (5) is fixedly connected to the bottom side wall of the sealing cover (2), a fourth electrical contact (7) is embedded in the side wall of the fixed inserting plate (5), and the third electrical contact (9) and the fourth electrical contact (7) are electrically connected.
3. An environment-friendly and pollution-free fallen leaf processing device according to claim 1, wherein a handle (3) is fixedly connected to the top side wall of the sealing cover (2), and the side wall of the handle (3) is provided with a round corner.
4. An environment-friendly and pollution-free fallen leaf processing device according to claim 1, wherein the top side wall of the ground is provided with a support bar, the top side wall of the support bar is provided with a solar panel (4), the inner side wall of the solar panel (4) is provided with a storage battery, and the storage battery is electrically connected with the electric heating rod (13).
5. An environment-friendly pollution-free fallen leaf processing device according to claim 1, wherein an outer plate (15) is fixedly connected to the bottom side wall of the cover (2), an inner plate (14) is slidably connected to the inner side wall of the outer plate (15), a permanent magnet (17) is fixedly connected to the bottom side wall of the outer plate (15), an electromagnet (16) is embedded in the bottom side wall of the inner plate (14), and the N pole of the electromagnet (16) is opposite to the N pole of the permanent magnet (17).
6. An environmentally friendly and non-polluting fallen leaf treatment device according to claim 1, wherein the top side wall of the inner plate (14) is provided with sharp corners.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110119758.7A CN112939651A (en) | 2021-01-28 | 2021-01-28 | Environment-friendly pollution-free fallen leaf treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110119758.7A CN112939651A (en) | 2021-01-28 | 2021-01-28 | Environment-friendly pollution-free fallen leaf treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112939651A true CN112939651A (en) | 2021-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110119758.7A Pending CN112939651A (en) | 2021-01-28 | 2021-01-28 | Environment-friendly pollution-free fallen leaf treatment device |
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| CN (1) | CN112939651A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208731773U (en) * | 2018-09-20 | 2019-04-12 | 宜昌海纳川建设工程有限公司 | A kind of afforestation refuse disposal installation |
| CN208770398U (en) * | 2018-04-23 | 2019-04-23 | 阿坝师范学院 | Medical acupuncture case during one kind is portable |
| CN209752914U (en) * | 2019-03-20 | 2019-12-10 | 河南顺昶实验设备有限公司 | Wet device of accuse of medicine stability test case |
| CN209815984U (en) * | 2019-04-10 | 2019-12-20 | 南京林业大学 | Gardens discarded object is fertilizer device on spot |
| CN210014613U (en) * | 2019-05-19 | 2020-02-04 | 席亚娟 | Fertilizer placer for afforestation |
| CN210595843U (en) * | 2019-08-01 | 2020-05-22 | 普洱学院 | Gardens dry branch fallen leaves compost device |
| CN210620649U (en) * | 2019-09-18 | 2020-05-26 | 广东恒懋生物农业科技有限公司 | A liquid medicine adds mechanism for fertile apparatus for producing of fungus |
| CN211495279U (en) * | 2019-12-22 | 2020-09-15 | 新疆维吾尔自治区人民医院 | Clinical blood sample transport box |
| CN211532623U (en) * | 2019-12-10 | 2020-09-22 | 张乐仲 | Ginseng pu' er tea fermenting installation |
| CN211999277U (en) * | 2020-04-21 | 2020-11-24 | 威海弘安环保科技有限公司 | Ultraviolet sterilization device for rural water purification |
-
2021
- 2021-01-28 CN CN202110119758.7A patent/CN112939651A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208770398U (en) * | 2018-04-23 | 2019-04-23 | 阿坝师范学院 | Medical acupuncture case during one kind is portable |
| CN208731773U (en) * | 2018-09-20 | 2019-04-12 | 宜昌海纳川建设工程有限公司 | A kind of afforestation refuse disposal installation |
| CN209752914U (en) * | 2019-03-20 | 2019-12-10 | 河南顺昶实验设备有限公司 | Wet device of accuse of medicine stability test case |
| CN209815984U (en) * | 2019-04-10 | 2019-12-20 | 南京林业大学 | Gardens discarded object is fertilizer device on spot |
| CN210014613U (en) * | 2019-05-19 | 2020-02-04 | 席亚娟 | Fertilizer placer for afforestation |
| CN210595843U (en) * | 2019-08-01 | 2020-05-22 | 普洱学院 | Gardens dry branch fallen leaves compost device |
| CN210620649U (en) * | 2019-09-18 | 2020-05-26 | 广东恒懋生物农业科技有限公司 | A liquid medicine adds mechanism for fertile apparatus for producing of fungus |
| CN211532623U (en) * | 2019-12-10 | 2020-09-22 | 张乐仲 | Ginseng pu' er tea fermenting installation |
| CN211495279U (en) * | 2019-12-22 | 2020-09-15 | 新疆维吾尔自治区人民医院 | Clinical blood sample transport box |
| CN211999277U (en) * | 2020-04-21 | 2020-11-24 | 威海弘安环保科技有限公司 | Ultraviolet sterilization device for rural water purification |
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Application publication date: 20210611 |
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| RJ01 | Rejection of invention patent application after publication |