CN113994796A - Equipment for spraying thin and re-green soil on surface of barren soil layer - Google Patents
Equipment for spraying thin and re-green soil on surface of barren soil layer Download PDFInfo
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- CN113994796A CN113994796A CN202111284940.4A CN202111284940A CN113994796A CN 113994796 A CN113994796 A CN 113994796A CN 202111284940 A CN202111284940 A CN 202111284940A CN 113994796 A CN113994796 A CN 113994796A
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- mixing
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- conical section
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/08—Broadcast seeders; Seeders depositing seeds in rows
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/20—Parts of seeders for conducting and depositing seed
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- Life Sciences & Earth Sciences (AREA)
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- Environmental Sciences (AREA)
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Abstract
The invention discloses equipment for spraying thin and re-greening the surface of a barren soil layer, which comprises a grass seed storage mechanism, a culture medium slurry storage mechanism and a mixing mechanism, wherein the grass seed storage mechanism, the culture medium slurry storage mechanism and the mixing mechanism are arranged on a movable carriage, the mixing mechanism comprises a mixing cavity with a circular section, the mixing cavity is provided with a first input port connected with the grass seed storage mechanism and a second input port connected with the culture medium slurry storage mechanism, a plurality of first mixing channels are arranged in the mixing cavity, a second mixing channel is also arranged on the inner wall of the mixing cavity and is communicated with the first input port, the second mixing channel is provided with through holes respectively communicated with the plurality of first mixing channels, and a third mixing channel is arranged between a first shunting mechanism and a spray head in the mixing cavity. The invention abandons a transmission stirrer and realizes uniform mixing in the spray seeding process, thereby improving the spray seeding efficiency, saving the vehicle-mounted space and facilitating the operation.
Description
Technical Field
The invention relates to an environment-friendly greening technology, in particular to a device for spraying, thinning and greening the surface of a barren soil layer.
Background
At present, due to the protection of ecological environment, vegetation is generally planted on the surface of barren soil to prevent water and soil loss and public hazard. In the existing greening engineering, the soil dressing spraying-seeding machine is one of the main modes, and when the soil dressing spraying-seeding machine works, grass seeds and culture medium slurry are firstly mixed and stirred fully and then sprayed and seeded on the surface of soil, so that when the soil dressing spraying-seeding machine works in a greening mode, a stirrer needs to be carried along with a vehicle, the installation space of the soil dressing spraying-seeding machine is compressed greatly, and the operation is not facilitated. Moreover, in the prior art, the mixing and stirring of the grass seeds and the culture medium slurry occur before the spray seeding, and the stirring and mixing require a long time, so that the spray seeding and greening technology in the prior art is not only inconvenient, but also has low spray seeding efficiency.
Disclosure of Invention
In order to solve the defects in the prior art, the invention aims to provide the device for spraying the thin and green soil on the surface of the barren soil layer, which abandons a transmission stirrer and realizes uniform mixing in the spraying and seeding process, thereby improving the spraying and seeding efficiency, saving the vehicle-mounted space and facilitating the operation.
The technical scheme adopted by the invention for solving the technical problems is as follows: the device for spraying the thin and re-green soil on the surface of the barren soil layer comprises a grass seed storage mechanism, a culture medium slurry storage mechanism and a mixing mechanism, wherein the grass seed storage mechanism and the culture medium slurry storage mechanism are mounted on a movable carriage and are respectively connected with the input end of the mixing mechanism, so that grass seeds stored in the grass seed storage mechanism and culture medium slurry stored in the culture medium slurry are mixed in the mixing mechanism, and the output end of the mixing mechanism is connected with a spray head;
the mixing mechanism comprises a mixing cavity with a circular section, the mixing cavity is provided with a first input port connected with the grass seed storage mechanism and a second input port connected with the culture medium slurry storage mechanism, the first input port is arranged on the side part of the mixing cavity, and the second input port and the mixing cavity are coaxially distributed;
a first shunting mechanism is fixedly installed in the mixing cavity, a plurality of first mixing channels are formed between the outer side wall of the first shunting mechanism and the inner wall of the mixing cavity, and the first mixing channels are arranged in parallel with the axis of the mixing cavity;
a second mixing channel is further arranged on the inner wall of the mixing cavity, is communicated with the first input port and is distributed along the circumferential direction of the cross section of the mixing cavity, so that the second mixing channel is distributed around the plurality of first mixing channels, and is provided with through holes respectively communicated with the plurality of first mixing channels;
the mixing chamber has a third mixing channel between the first diverter mechanism and the spray head.
Optionally, the first flow dividing mechanism includes a cylinder, an outer diameter of the cylinder is adapted to an inner diameter of the mixing chamber, the cylinder is fixedly connected inside the mixing chamber, and the cylinder is coaxial with the mixing chamber;
the outer side wall of the column body is provided with a plurality of grooves, the grooves extend from one end of the column body to the other end of the column body, and the grooves are parallel to the axis of the column body; the groove and the inner wall of the mixing cavity form the first mixing channel.
Optionally, a first tapered section is arranged at the front end of the column body, and a second tapered section is arranged at the rear end of the column body;
the first conical section and the column body are of an integrated structure, and the second conical section and the column body are of an integrated structure.
Optionally, the bottom of the first tapered section is tangent to the bottom of the groove.
Optionally, a circle of flow guide surface is arranged on the inner wall of the mixing cavity at the position of the second conical section, and the flow guide surface surrounds the surface of the second conical section, so that the third mixing channel is formed between the flow guide surface and the second conical section.
Optionally, the length of the second conical section is greater than the length of the flow guide surface, so that the vertex of the second conical section is exposed out of the flow guide surface;
the outer end of the flow guide surface is provided with a diffusion surface, so that a region of the mixing cavity between the diffusion surface and the spray head forms a fourth mixing channel.
Optionally, the inner wall of the mixing chamber has a diameter-variable portion at a position connected to a cylinder, the diameter-variable portion extending from the inner wall of the mixing chamber toward the axis of the mixing chamber, and the cylinder is connected inside the diameter-variable portion.
Optionally, the inside of the variable-diameter part is provided with an accommodating cavity along the circumferential direction of the variable-diameter part, and the accommodating cavity and the grass are arranged
The seed storage mechanisms are communicated;
the through hole is arranged at the bottom of the accommodating cavity and communicated with the accommodating cavity and the groove.
Optionally, the accommodating cavity is communicated with the inside of the mixing cavity through a second flow dividing mechanism, and the first input port is communicated with the second flow dividing mechanism, so that the grass seeds flow into the accommodating cavity through the second flow dividing mechanism.
Optionally, the second flow dividing mechanism includes a flow dividing plate connected to one end of the variable diameter portion close to the first tapered section, the bottom of the flow dividing plate is arc-shaped, and the center of the arc at the bottom of the flow dividing plate is located on the axis of the mixing cavity;
the both sides of flow distribution plate still have respectively with the lateral plate of mixing chamber inner wall connection for the space between the inner wall of flow distribution plate, lateral plate and mixing chamber constitutes the reposition of redundant personnel passageway, the one end of reposition of redundant personnel passageway and the inside intercommunication of mixing chamber, the other end with hold the chamber intercommunication.
By adopting the technical scheme, the grass seeds and the culture medium slurry can be mixed in the mixing cavity in the spray seeding process, and the grass seeds and the culture medium slurry are fully and uniformly mixed under the combined action of the first mixing channel, the second mixing channel and the third mixing channel. Compared with the prior art, the method has the advantages that the step of stirring and mixing by adopting a stirrer is not needed when grass seeds are sprayed, so that the spraying speed is increased, the spraying efficiency is improved, and the space is saved because the stirrer is not adopted.
Drawings
FIG. 1 is a schematic structural view of a mixing chamber of the present invention;
FIG. 2 is a schematic cross-sectional view of a second mixing channel of the present invention;
FIG. 3 is a schematic end view of the cylinder of the present invention provided with a first tapered section;
FIG. 4 is a schematic diagram of a third mixing channel of the present invention;
fig. 5 is a schematic view of the structure of the flow dividing channel of the present invention.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
The invention discloses equipment for spraying thin and re-green on the surface of a barren soil layer, which comprises a grass seed storage mechanism, a culture medium slurry storage mechanism and a mixing mechanism 1, wherein the grass seed storage mechanism is arranged on a movable carriage and is used for storing grass seeds, and the culture medium slurry storage mechanism is used for storing prepared culture medium slurry which is in a slurry state and has better fluidity. The grass seed storage mechanism and the culture medium slurry storage mechanism are respectively connected with the input end of the mixing mechanism 1, so that grass seeds stored in the grass seed storage mechanism and the culture medium slurry stored in the culture medium slurry are mixed in the mixing mechanism 1. The output end of the mixing mechanism 1 is connected with a spray head, the spray head is arranged in the movable carriage through a support, and the mixing mechanism 1 can be directly arranged on the support for connecting the spray head, so that the mixing mechanism 1 occupies small space, saves the space of the movable carriage, and is convenient for manual operation of the spray head.
In the present invention, as shown in fig. 1, a mixing mechanism 1 comprises a mixing chamber 2 having a circular cross section, the mixing chamber 2 being provided with a first inlet 3 connected to a grass seed storage mechanism, and a second inlet 4 connected to a medium slurry storage mechanism, wherein the first inlet 3 is provided at a side portion of the mixing chamber 2, and the second inlet 4 is arranged coaxially with the mixing chamber 2. Specifically, the carrier of the mixing chamber 2 is a cylindrical barrel 5, the inner cavity of the cylindrical barrel 5 is the mixing chamber 2, one end port of the cylindrical barrel 5 is a second input port 4, and the second input port 4 is connected with the culture medium slurry storage mechanism by adopting a threaded joint. More specifically, since the spray seeding technique relies on a pumping technique, in the present invention, a pump for spray seeding is provided in the medium slurry storage mechanism, and the pump is connected to the threaded joint through a pipeline, thereby pumping the medium slurry to the inside of the mixing chamber 2.
According to the invention, the first flow dividing mechanism is fixedly installed in the mixing cavity 2, the plurality of first mixing channels 7 are formed between the outer side wall of the first flow dividing mechanism and the inner wall of the mixing cavity 2, and through the arrangement, when the culture medium slurry flows in the first mixing channels 7, the thickness of the culture medium slurry is reduced, so that grass seeds can fully enter the interior of the culture medium slurry during mixing, and uniform mixing is facilitated. In the present invention, the first mixing channel 7 is arranged parallel to the axis of the mixing chamber 2.
Specifically, as shown in fig. 1 and 3, the first flow dividing mechanism comprises a cylinder 10, wherein the outer diameter of the cylinder 10 is adapted to the inner diameter of the mixing chamber 2, the cylinder 10 is fixedly connected inside the mixing chamber 2, and the cylinder 10 is coaxially distributed with the mixing chamber 2. The outer side wall of the cylinder 10 is provided with a plurality of grooves 11, the grooves 11 extend from one end of the cylinder 10 to the other end of the cylinder 10, the grooves 11 are parallel to the axis of the cylinder 10, and the first mixing channel 7 is a space between the grooves 11 and the inner wall of the mixing chamber 2.
Further, in the present invention, as shown in fig. 1 and 2, a second mixing channel 8 is further provided on the inner wall of the mixing chamber 2, and the second mixing channel 8 is distributed in the cross-sectional circumferential direction of the mixing chamber 2 such that the second mixing channel 2 is distributed around the plurality of first mixing channels 7. Wherein the second mixing channel 8 communicates with the first inlet 3 and the second mixing channel 8 is further provided with through holes 9 communicating with the plurality of first mixing channels 7, respectively.
Specifically, as shown in fig. 1 and 2, the second mixing passage 8 may be implemented by providing a diameter-variable portion 12 on the inner wall of the mixing chamber 2. The diameter-variable part 12 extends from the inner wall of the mixing chamber 2 toward the axis of the mixing chamber 2, the column 10 is disposed in the diameter-variable part 12, and a receiving chamber along the circumferential direction of the diameter-variable part 12, which is the second mixing channel 8, is disposed inside the diameter-variable part 12. The chamber that holds that sets up communicates with grass seed storage mechanism again, and the bottom position that holds the chamber is located to through-hole 9 to the intercommunication holds chamber and first mixing channel 7. In the present invention, the receiving chamber should be located at a position corresponding to the front end of the groove 11, and the bottom surface of the reducing portion 12 (i.e., the inner side surface of the first mixing channel 7) is a smooth surface.
In the present invention, a first tapered section 13 is provided at the front end of the column body 10, and a second tapered section 14 is provided at the rear end of the column body 10. The first conical section 13 and the column body 10 are of an integral structure, the second conical section 14 and the column body 10 are of an integral structure, and the bottom of the first conical section 13 is tangent to the bottom of the groove 11. When the culture medium slurry flows in the mixing cavity 2, the first conical section 13 is used for cutting and guiding the flow, so that the culture medium slurry respectively flows to the first mixing channels 7.
In the present invention, as shown in fig. 1 and 4, the inner wall of the mixing chamber 2 is provided with a circle of flow guiding surface 15 at the position of the second conical section 14, and the flow guiding surface 15 is arranged around the surface of the second conical section 14, so that a third mixing channel 16 is formed between the flow guiding surface 15 and the second conical section 14. After flowing out from the first mixing channel 7, the culture medium slurry mixed with the grass seeds enters the third mixing channel 16, and the third mixing channel 16 is communicated with all the first mixing channels, so that the culture medium slurry carrying the grass seeds is fused again in the third mixing channel 16, and the grass seeds and the culture medium slurry are fully mixed. Furthermore, the distance from the flow guide surface 15 to the second conical section 14 can be gradually reduced, so that the outlet of the culture medium slurry in the third mixing channel 16 becomes smaller, thereby increasing the ejection speed of the culture medium slurry.
In the present invention, the length of the second conical section 14 should be greater than the length of the flow guiding surface 15, so that the vertex of the second conical section 14 is exposed out of the flow guiding surface 15. The outer end of the flow guiding surface 15 has a diffuser surface 17 so that the area of the mixing chamber 2 between the diffuser surface 17 and the spray head constitutes a fourth mixing channel 18. After the culture medium slurry is sprayed out of the third mixing channel 16, due to the blocking of the cone top of the second conical section 14, the sprayed culture medium slurry can impact the inner wall of the mixing cavity 2 under the action of the diffusion surface 17, so that the culture medium slurry is mixed again in the fourth mixing channel 18, and finally is sprayed out through the spray head.
In the invention, the accommodating cavity is communicated with the interior of the mixing cavity 2 through the second flow dividing mechanism, and the first input port 3 is communicated with the second flow dividing mechanism, so that grass seeds flow into the accommodating cavity through the second flow dividing mechanism.
Specifically, as shown in fig. 5, the second flow dividing mechanism includes a flow dividing plate 19 connected to one end of the diameter-changing portion 12 close to the first tapered section 13, the bottom of the flow dividing plate 19 is circular arc-shaped, and the center of the circular arc at the bottom of the flow dividing plate 19 is located on the axis of the mixing chamber. The both sides of flow distribution plate 19 still have respectively with the curb plate 20 of mixing chamber 2 inner wall connection for the space between the inner wall of flow distribution plate 19, curb plate 20 and mixing chamber 2 constitutes reposition of redundant personnel passageway 6, the inside intercommunication of the one end of reposition of redundant personnel passageway 6 and mixing chamber 2, the other end with hold the chamber intercommunication. Through the arrangement, the culture medium slurry can be partially shunted to enter the shunt channel 6, and grass seeds are wrapped in the shunt channel 6, so that the grass seeds and the culture medium slurry are mixed to form fluid, at the moment, the culture medium slurry is used as a carrier of the grass seeds and drives the grass seeds to move together, and therefore the grass seeds have high fluidity, and the grass seeds can conveniently enter the second mixing channel 8.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Other technical features than those described in the specification are known to those skilled in the art, and are not described herein in detail in order to highlight the innovative features of the present invention.
Claims (10)
1. The device for spraying the thin and green on the surface of the poor soil layer is characterized by comprising a grass seed storage mechanism, a culture medium slurry storage mechanism and a mixing mechanism which are arranged on a movable carriage, wherein the grass seed storage mechanism and the culture medium slurry storage mechanism are respectively connected with the input end of the mixing mechanism, so that grass seeds stored in the grass seed storage mechanism and culture medium slurry stored in the culture medium slurry are mixed in the mixing mechanism, and the output end of the mixing mechanism is connected with a spray head;
the mixing mechanism comprises a mixing cavity with a circular section, the mixing cavity is provided with a first input port connected with the grass seed storage mechanism and a second input port connected with the culture medium slurry storage mechanism, the first input port is arranged on the side part of the mixing cavity, and the second input port and the mixing cavity are coaxially distributed;
a first shunting mechanism is fixedly installed in the mixing cavity, a plurality of first mixing channels are formed between the outer side wall of the first shunting mechanism and the inner wall of the mixing cavity, and the first mixing channels are arranged in parallel with the axis of the mixing cavity;
a second mixing channel is further arranged on the inner wall of the mixing cavity, is communicated with the first input port and is distributed along the circumferential direction of the cross section of the mixing cavity, so that the second mixing channel is distributed around the plurality of first mixing channels, and is provided with through holes respectively communicated with the plurality of first mixing channels;
the mixing chamber has a third mixing channel between the first diverter mechanism and the spray head.
2. The apparatus for thinning and reviving the surface of the barren soil layer according to claim 1, wherein the first diversion mechanism comprises a cylinder having an outer diameter adapted to an inner diameter of the mixing chamber, the cylinder being fixedly connected inside the mixing chamber and coaxial with the mixing chamber;
the outer side wall of the column body is provided with a plurality of grooves, the grooves extend from one end of the column body to the other end of the column body, and the grooves are parallel to the axis of the column body; the groove and the inner wall of the mixing cavity form the first mixing channel.
3. The device for spraying thinly and re-greening the surface of the barren soil layer according to claim 2, wherein the front end of the column body is provided with a first conical section, and the rear end of the column body is provided with a second conical section;
the first conical section and the column body are of an integrated structure, and the second conical section and the column body are of an integrated structure.
4. The apparatus for thinning and reviving the surface of the barren soil layer according to claim 3, wherein the position of the bottom of the first conical section is tangential to the bottom of the groove.
5. The apparatus for thinning and reviving the surface of the barren soil layer according to claim 4, wherein the inner wall of the mixing chamber is provided with a circle of flow guiding surface at the position of the second conical section, and the flow guiding surface surrounds the surface of the second conical section, so that the third mixing channel is formed between the flow guiding surface and the second conical section.
6. The barren soil layer surface spraying thinning and greening device as claimed in claim 5, wherein the length of the second conical section is greater than the length of the flow guide surface, so that the vertex of the second conical section is exposed out of the flow guide surface;
the outer end of the flow guide surface is provided with a diffusion surface, so that a region of the mixing cavity between the diffusion surface and the spray head forms a fourth mixing channel.
7. The apparatus for thinning and reviving a surface of a barren soil layer according to claim 6, wherein the inner wall of the mixing chamber has a diameter-varying portion at a position where a cylinder is connected, the diameter-varying portion extending from the inner wall of the mixing chamber toward an axis of the mixing chamber, the cylinder being connected inside the diameter-varying portion.
8. The apparatus for spraying thinly and regreening the surface of the barren soil layer as claimed in claim 7, wherein the inside of the variable diameter portion is provided with a containing cavity along the circumferential direction of the variable diameter portion, and the containing cavity is communicated with the grass seed storage mechanism;
the through hole is arranged at the bottom of the accommodating cavity and communicated with the accommodating cavity and the groove.
9. The apparatus for thinning and reviving the surface of the barren soil layer according to claim 8, wherein the receiving chamber communicates with the interior of the mixing chamber through a second flow diversion mechanism, and the first input port communicates with the second flow diversion mechanism such that grass seeds flow into the receiving chamber through the second flow diversion mechanism.
10. The device for spraying the thin soil and recovering the green soil on the surface of the barren soil layer according to claim 9, wherein the second flow dividing mechanism comprises a flow dividing plate connected with one end of the reducing portion, which is close to the first conical section, the bottom of the flow dividing plate is arc-shaped, and the center of the arc at the bottom of the flow dividing plate is located on the axis of the mixing cavity;
the both sides of flow distribution plate still have respectively with the lateral plate of mixing chamber inner wall connection for the space between the inner wall of flow distribution plate, lateral plate and mixing chamber constitutes the reposition of redundant personnel passageway, the one end of reposition of redundant personnel passageway and the inside intercommunication of mixing chamber, the other end with hold the chamber intercommunication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111284940.4A CN113994796A (en) | 2021-11-01 | 2021-11-01 | Equipment for spraying thin and re-green soil on surface of barren soil layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111284940.4A CN113994796A (en) | 2021-11-01 | 2021-11-01 | Equipment for spraying thin and re-green soil on surface of barren soil layer |
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| Publication Number | Publication Date |
|---|---|
| CN113994796A true CN113994796A (en) | 2022-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111284940.4A Withdrawn CN113994796A (en) | 2021-11-01 | 2021-11-01 | Equipment for spraying thin and re-green soil on surface of barren soil layer |
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| CN (1) | CN113994796A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB639690A (en) * | 1947-12-31 | 1950-07-05 | Erik Bjorn Nimskov | Improvements relating to cement or concrete guns |
| US20050089408A1 (en) * | 2003-05-09 | 2005-04-28 | Solomon Jason D. | Fluid ejector pumps |
| CN101946649A (en) * | 2010-09-17 | 2011-01-19 | 西安信唯信息科技有限公司 | Plant rod body fabrication method for road slope vegetation |
| CN102792806A (en) * | 2011-05-26 | 2012-11-28 | 铜陵市绿岩生态科技有限公司 | Multifunctional automatic hydro-seeding machine |
| CN211648477U (en) * | 2020-01-03 | 2020-10-09 | 山西中德绿满山环保机械制造有限公司 | Spray seeding pump |
| CN211630806U (en) * | 2020-01-03 | 2020-10-09 | 山西中德绿满山环保机械制造有限公司 | Spray-seeding gun |
| CN113273357A (en) * | 2021-05-11 | 2021-08-20 | 安徽麒麟正大饲料有限公司 | Equipment for spray-seeding and re-greening surface of rock stratum |
-
2021
- 2021-11-01 CN CN202111284940.4A patent/CN113994796A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB639690A (en) * | 1947-12-31 | 1950-07-05 | Erik Bjorn Nimskov | Improvements relating to cement or concrete guns |
| US20050089408A1 (en) * | 2003-05-09 | 2005-04-28 | Solomon Jason D. | Fluid ejector pumps |
| CN101946649A (en) * | 2010-09-17 | 2011-01-19 | 西安信唯信息科技有限公司 | Plant rod body fabrication method for road slope vegetation |
| CN102792806A (en) * | 2011-05-26 | 2012-11-28 | 铜陵市绿岩生态科技有限公司 | Multifunctional automatic hydro-seeding machine |
| CN211648477U (en) * | 2020-01-03 | 2020-10-09 | 山西中德绿满山环保机械制造有限公司 | Spray seeding pump |
| CN211630806U (en) * | 2020-01-03 | 2020-10-09 | 山西中德绿满山环保机械制造有限公司 | Spray-seeding gun |
| CN113273357A (en) * | 2021-05-11 | 2021-08-20 | 安徽麒麟正大饲料有限公司 | Equipment for spray-seeding and re-greening surface of rock stratum |
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Application publication date: 20220201 |