CN216982661U - Straw crushing and stacking device - Google Patents
Straw crushing and stacking device Download PDFInfo
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- CN216982661U CN216982661U CN202123236617.8U CN202123236617U CN216982661U CN 216982661 U CN216982661 U CN 216982661U CN 202123236617 U CN202123236617 U CN 202123236617U CN 216982661 U CN216982661 U CN 216982661U
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Abstract
The utility model provides a straw crushing and stacking device which comprises a first conveyor belt, a crusher, a second conveyor belt, a bundling and stacking device and a temperature measuring device, wherein an inlet of the crusher is connected with an output end of the first conveyor belt, and an outlet of the crusher is connected with an input end of the second conveyor belt; broken straw of the output of second conveyer belt forms the haystack through the pile up neatly device of beating on the straw yard, temperature measuring device installs in the haystack, and temperature measuring device holds carrier and temperature sensor including holding, holds the carrier and has arranged a plurality of through-holes along circumference, temperature sensor installs the inside that holds the carrier. The utility model greatly reduces the volume of the straws by adopting a mode of bundling the crushed straws and then stacking the straws into the stack, greatly improves the storage capacity by reasonably arranging the straws on a straw yard, reduces the storage cost, realizes the detection of the temperature of each part inside the stack by the temperature measuring device, and ensures the storage safety.
Description
Technical Field
The utility model relates to the technical field of straw storage, in particular to a straw crushing and stacking storage device.
Background
The straw is a general term of stem and leaf parts of mature crops, is rich in nitrogen, phosphorus, potassium, calcium, magnesium, organic matters and the like, and is a multipurpose renewable biological resource. The annual yield of the straws in China is about 6.81 hundred million tons, wherein the rice straw accounts for about 28 percent; in China, the planting area of rice is wide, the rice planting area accounts for 33% of the grain sowing area in China, the yield of rice straws is huge, with the development of times, energy structures in rural areas are changed, the problems of environmental pollution and resource waste caused by local burning of the straws are serious, and the problems of straw treatment and utilization increasingly attract social attention. The comprehensive utilization of crop straws becomes an important resource for developing rural circular economy, and the development and utilization of straw biomass energy have special significance for rural environmental protection and rural energy structure change. The traditional energy utilization mode in rural areas is difficult to meet the requirement of rural modernization, and the requirement of rural modernization on high-quality fuel makes the requirement of biomass energy conversion and utilization of straws increase day by day. The development of the research on the utilization of straw energy which accords with the production and living modes of the modern society is a necessary way for the future energy utilization of the straw.
Straw is under certain moisture, temperature and anaerobic condition, through the catabolism of various microorganisms, combustible mixed gas such as methane and carbon dioxide is finally formed, finally, the comprehensive utilization of straw is realized, wherein the straw is required to be pretreated before straw fermentation, straw material is changed into fine particles in shape through crushing, the surface area of straw is increased, the wax layer on the surface of straw is damaged, the microorganism is easy to contact with the straw in the anaerobic fermentation process, the gas production rate is increased, a large amount of straw is always required to be prepared in order to ensure the continuity of fermentation device production, therefore, part of crushed straw is always required to be stored for later use, but the stacking of a large amount of straw can bring unsafe factors, especially, the temperature in summer is high, and therefore, the problem to be solved urgently is how to scientifically store the straw under the condition of ensuring safety.
Patent document CN106742887A discloses a storage bin for storing straw, which comprises a quadrangular prism housing, wherein a reinforcing support is mounted on the outer surface of the quadrangular prism housing, a sight glass opening is arranged on the front side surface of the quadrangular prism housing, a side inspection opening is formed in the lower end of the right side surface of the quadrangular prism housing, a feed inlet is formed in the top surface of the quadrangular prism housing, a cover plate is mounted on the feed inlet, a top inspection opening, a level meter tube seat and a fire extinguishing opening are formed in the cover plate, a material taking door is mounted on the rear side surface of the quadrangular prism housing, the upper end of the material taking door is mounted in the middle of the rear side surface of the quadrangular prism housing through a rotating shaft, springs are mounted on the reinforcing supports in the middle of the left side surface and the right side surface of the quadrangular prism housing, the springs are connected to the side part of the upper end of the material taking door, supporting feet are arranged at the bottom end of the material taking door, and are fixed on the bottom feet of the quadrangular prism housing through pin shafts, but the device adopts the feed bin to greatly limit the storage capacity, and the storage cost is high, and the structural design is unreasonable.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a straw crushing and stacking device.
The straw crushing and stacking device provided by the utility model comprises a first conveyor belt 1, a crusher 2, a second conveyor belt 3, a bundling and stacking device and a temperature measuring device;
an inlet of the crusher 2 is connected with an output end of the first conveyor belt 1, and an outlet of the crusher 2 is connected with an input end of the second conveyor belt 3; the crushed straws output by the output end of the second conveyor belt 3 form a stack through a bundling and stacking device on a straw yard, and the temperature measuring device is arranged in the stack;
the temperature measuring device comprises an accommodating carrier and a temperature sensor;
the accommodating carrier is uniformly or non-uniformly provided with a plurality of through holes along the circumferential direction, and the temperature sensor is arranged inside the accommodating carrier.
Preferably, one temperature sensor is arranged every 10m or every 5m to 6m in the containment carrier.
Preferably, the exterior of the stack is provided with a plastic film.
Preferably, a pile base 12 is arranged on the straw yard, and the grass stacks are placed on the pile base 12;
the upper plane of the pile base 12 is higher than the straw yard.
Preferably, the number of the grass stacks is multiple, an inter-stack space is arranged between every two adjacent grass stacks, and an inter-stack drainage ditch 13 is arranged below the inter-stack space;
and one sides of two adjacent stacks, which are opposite to each other, are respectively provided with a fire fighting way between stacks.
Preferably, the crusher further comprises a crushing pit 9, the crushing pit 9 is provided with a crusher support frame 4, and the crusher 2 is mounted on the crusher support frame 4.
Preferably, a first mounting surface 14 and a second mounting surface 15 are respectively arranged on two sides of the crushing pit 9;
an accommodating space is formed in the lower portion of the crusher supporting frame 4, a supporting base 7 is further arranged on the crushing pit 9, the second conveyor belt 3 is obliquely installed on the supporting base 7 through a supporting assembly, the oblique lower end of the second conveyor belt 3 extends into the accommodating space, and the oblique upper end of the second conveyor belt 3 extends to be right above the second installation surface 15;
the first conveyor belt 1 is mounted on a first mounting surface 14, the output end of the first conveyor belt 1 extending above the crusher 2.
Preferably, the support assembly comprises a first support bar 5 and a second support bar 6;
Preferably, the height of the stacking base 12 is 0.1m, the width of the stacking base 12 is 5m, the length of the stack is 84m, the width of the stack is 5m, and the width of the space between the stacks is 3 m.
The straw crushing and stacking device provided by the utility model comprises a first conveyor belt 1, a crusher 2, a second conveyor belt 3 and a temperature measuring device;
the straw to be treated sequentially passes through the first conveyor belt 1, the crusher 2 and the second conveyor belt 3, then is output and conveyed to a straw yard, the crushed straw is bundled and then is piled into a stack, and a temperature measuring device is arranged in the stack;
the temperature measuring device comprises an accommodating carrier and a temperature sensor;
the accommodating carrier is uniformly or non-uniformly provided with a plurality of through holes along the circumferential direction, and the temperature sensor is arranged inside the accommodating carrier;
when the moisture content of the grass stack is less than 25%, arranging a temperature sensor in the accommodating carrier every 10 m;
when the water content of the stack is more than or equal to 25%, arranging a temperature sensor in the accommodating carrier every 5-6 m;
a plastic film is arranged outside the grass stack;
a pile base 12 is arranged on the straw yard, and the grass stacks are placed on the pile base 12;
the upper plane of the pile base 12 is higher than a straw yard;
the number of the stacks is multiple, an inter-stack space is arranged between every two adjacent stacks, and an inter-stack drainage ditch 13 is arranged below the inter-stack space;
one side of each two adjacent stacks, which is opposite to the other side, is provided with an inter-stack fire-fighting channel;
the crusher also comprises a crushing pit 9, wherein a crusher support frame 4 is arranged on the crushing pit 9, and the crusher 2 is arranged on the crusher support frame 4;
a first mounting surface 14 and a second mounting surface 15 are respectively arranged on two sides of the crushing pit 9;
an accommodating space is arranged at the lower part of the crusher supporting frame 4, a supporting base 7 is further arranged on the crushing pit 9, the second conveyor belt 3 is obliquely installed on the supporting base 7 through a supporting assembly, wherein the oblique lower end of the second conveyor belt 3 extends into the accommodating space, and the oblique upper end of the second conveyor belt 3 extends to be right above the second installation surface 15;
the first conveyor belt 1 is arranged on the first mounting surface 14, and the output end of the first conveyor belt 1 extends to the upper part of the crusher 2;
the support assembly comprises a first support rod 5 and a second support rod 6;
the first supporting rod 5 and the second supporting rod 6 are arranged in a V shape, one end of each of the first supporting rod 5 and the second supporting rod 6 is detachably mounted on a supporting base 7, and the other end of each of the first supporting rod 5 and the second supporting rod 6 is detachably mounted on the second conveyor belt 3;
the height of piling base 12 is 0.1m, the width of piling base 12 is 5m, the length of haystack 84m, the width of haystack is 5m, the width in space between the buttress is 3 m.
Compared with the prior art, the utility model has the following beneficial effects:
1. the utility model greatly reduces the volume of the straws by adopting a mode of bundling the crushed straws and then stacking the straws into the stack, greatly improves the storage capacity by reasonably arranging the straws on a straw yard, reduces the storage cost, realizes the detection of the temperature of each part inside the stack by the temperature measuring device, and ensures the storage safety.
2. According to the straw crushing and conveying device, the crushing and conveying of straws are effectively realized through the structural arrangement of the first conveyor belt, the crusher, the second conveyor belt and the crushing pit, the equipment is simple, and the operation is convenient and fast.
3. The support and height adjustment of the second conveyor belt are realized through the structural arrangement of the first support rod and the second support rod, the structure is simple, and the practicability is high.
4. According to the utility model, through the layout of the stacks in the straw yard, the safety of straw storage is greatly improved, and the accident rescue is facilitated.
Drawings
Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural view of a crushing apparatus;
fig. 2 is a top view of the crushing device;
FIG. 3 is a schematic top view of a straw yard;
FIG. 4 is a schematic view of the structure of a drainage ditch among straw bundles, piled bases and stacks.
The figures show that:
The second conveyor belt 3 runs the drainage ditch 13 among the steps 8
First mounting surface 14 of crushing pit 9 of crusher support frame 4
Second mounting surface 15 of dumper 10 with first supporting rod 5
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the utility model, but are not intended to limit the utility model in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the utility model. All falling within the scope of the present invention.
The utility model provides a straw crushing and stacking device, which comprises a first conveyor belt 1, a crusher 2, a second conveyor belt 3, a bundling and stacking device and a temperature measuring device, wherein an inlet of the crusher 2 is connected with an output end of the first conveyor belt 1, and an outlet of the crusher 2 is connected with an input end of the second conveyor belt 3; broken straw of the output of second conveyer belt 3 forms the haystack through the pile up neatly device of bundling on the straw yard, temperature measuring device installs in the haystack, specifically, the pending straw loops through first conveyer belt 1, breaker 2, the broken straw of output after the second conveyer belt 3 and transports to the straw yard through the transport vechicle, and the pile up neatly device of bundling includes bundling machine and hacking machine, and the bundling machine will broken straw bundles the back and piles up into the haystack through the hacking machine, be provided with temperature measuring device in the haystack. In a preferred example, the transport vehicle adopts a dump truck, the crushed straws with the length of less than 5 cm are transported to a straw yard through the dump truck 10, and the crushed straws are bundled by a bundling machine to form a straw bundle 11, and the straw bundle 11 is stacked into a stack.
Specifically, the temperature measuring device comprises an accommodating carrier and temperature sensors, wherein a plurality of through holes are uniformly or non-uniformly arranged on the accommodating carrier along the circumferential direction, the temperature sensors are arranged in the accommodating carrier, and when the moisture content of the haystack is less than 25%, one temperature sensor is arranged in the accommodating carrier every 10 m; when the water content of the grass stack is larger than or equal to 25%, arranging a temperature sensor every 5-6 m, in a preferred embodiment, adopting a galvanized steel pipe as a containing carrier, placing the galvanized steel pipe in the grass stack main body during stacking, wherein the diameter of a pipe orifice can be selected from 100-150 mm, and the length of the pipe orifice can be selected from 300-500 mm, uniformly punching the pipe wall of the steel pipe along the circumferential direction, placing the temperature sensor in the steel pipe, providing a mounting carrier for the temperature sensor by the galvanized steel pipe, and immediately guiding surrounding heat into the pipe through punching, so that the accuracy of temperature detection is improved.
In practical application, each straw yard can be provided with two handheld infrared temperature measuring instruments, the external temperature is periodically detected, the temperature detected by the temperature sensor in the accommodating carrier is combined to accurately master the temperature of the straw yard, and when the temperature rises to 50-60 ℃, preventive measures are taken; when the temperature is higher than 60 ℃, a forklift is used for unstacking and heat dissipation immediately, and the fire extinguishing preparation is made.
Specifically, as shown in fig. 1, the department of placing of haystack is provided with piles base 12, the last plane of piling base 12 is higher than the straw yard, the quantity of haystack is a plurality of, is provided with space between the buttress between every two adjacent haystacks, the below in space between the buttress is provided with escape canal 13 between the buttress, one side that two adjacent haystacks carried on the back mutually is provided with fire channel between the buttress respectively, effectively prevents the influence that overcast and rainy weather brought to the haystack to the unblocked of fire control passageway when the prevention conflagration takes place.
Specifically, as shown in fig. 1, a plastic film is arranged outside the stack, in a preferred example, the stack is covered with a rainproof plastic film, the purchasing width of the plastic film is 12m, the length of the plastic film is 100m, the plastic film is a high-temperature-resistant and anti-aging plastic film with the thickness of more than 0.4mm, the plastic film is arranged in 1 circle per stack, and 1 circle of plastic film is arranged for each 10 stacks for standby.
On the premise of weather allowance, the straws can be fully air-dried, then the plastic film is covered, the plastic film is gradually extended upwards from the downwind direction when the plastic film is covered, meanwhile, the covered film is covered by the windproof net, then the windproof net is fixed to prevent the film from being damaged or the bale from being exposed or the film from being sunken, and if the film is damaged, the plastic film needs to be covered to prevent rain.
Specifically, as shown in fig. 1 and fig. 2, the device further comprises a crushing pit 9, wherein a crusher support frame 4 is arranged on the crushing pit 9, the crusher 2 is mounted on the crusher support frame 4, and a first mounting surface 14 and a second mounting surface 15 are respectively arranged on two sides of the crushing pit 9; the lower part of the crusher support frame 4 is provided with an accommodating space, the crushing pit 9 is further provided with a support foundation 7, the second conveyor belt 3 is obliquely installed on the support foundation 7 through a support assembly, wherein the oblique low end of the second conveyor belt 3 extends into the accommodating space, the oblique high end of the second conveyor belt 3 extends to the position right above the second installation surface 15, the first conveyor belt 1 is installed on the first installation surface 14, and the output end of the first conveyor belt 1 extends to the position above the crusher 2.
Further, as shown in fig. 1, a walking step 8 is arranged on one side of the crushing pit 9 close to the second mounting surface 15, so that the daily routing inspection of workers is facilitated.
Specifically, as shown in fig. 1, the supporting component includes first bracing piece 5 and second bracing piece 6, first bracing piece 5, second bracing piece 6 are the V font and arrange, form triangular bearing structure with second conveyer belt 3, the one end of first bracing piece 5, second bracing piece 6 is all demountable installation on supporting basis 7, the other end of first bracing piece 5, second bracing piece 6 is all demountable installation on second conveyer belt 3, in practical application, can be according to the high rational design requirement of export straw of second conveyer belt 3 of first bracing piece 5, second bracing piece 6 of the high rational design of tip lorry 10.
In a specific embodiment, as shown in fig. 3 and 4, the length of the stack is 84m, the width of the stack is 5m, the gap between two adjacent stacks is 3m, the distance between the stack and the long side of the straw yard is 10m, the distance between the stack and the wide side of the straw yard is 6m, two adjacent stacks form a stack group, wherein the transverse distance between the stack groups is 6m, the longitudinal distance between the stack groups is 20m, the height of the base 12 is 0.1m, and the width of the base 12 is 5 m.
The straw storage yard has a certain scale, adopts standardized layout management, realizes safe, efficient, environment-friendly and continuously supplied straw middle stacking and storing places, calculates the occupied area of the straw storage yard according to the straw amount required to be stacked and stored and the occupied area of at least 8m2 required by 1 ton of straw to be stacked and stored, and is provided with a fence or an iron prickle net at the periphery, the height of the fence or the iron prickle net is not less than 2m, and the distance between the fence or the iron prickle net and the stack is not less than 5 m; when the total reserve of straw storage yard > 20000t, should divide and establish the straw storage yard, the fire prevention interval between each straw storage yard should not be less than the interval of adjacent great straw storage yard and level four fire-resistant grade building, when utilizing natural water source to supply fire-fighting water, should ensure the reliability of the minimum water level fire-fighting water in dry season, 2 departments are no less than to the general point that absorbs water, the reserve exceeds the straw storage yard that 20000t straw was stored, 4 departments are no less than to the point that absorbs water, and can berth 2 fire engine simultaneously.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore, are not to be construed as limiting the present application.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the utility model. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (10)
1. A straw crushing and stacking device is characterized by comprising a first conveyor belt (1), a crusher (2), a second conveyor belt (3), a bundling and stacking device and a temperature measuring device;
an inlet of the crusher (2) is connected with an output end of the first conveyor belt (1), and an outlet of the crusher (2) is connected with an input end of the second conveyor belt (3); the broken straws output by the output end of the second conveyor belt (3) form a stack through a bundling and stacking device on a straw yard, and the temperature measuring device is arranged in the stack;
the temperature measuring device comprises an accommodating carrier and a temperature sensor;
the accommodating carrier is uniformly or non-uniformly provided with a plurality of through holes along the circumferential direction, and the temperature sensor is arranged in the accommodating carrier.
2. The straw crushing and stacking and storing device according to claim 1, wherein the containing carrier is provided with one temperature sensor every 10m or one temperature sensor every 5-6 m.
3. The straw crushing and stacking apparatus according to claim 1, wherein a plastic film is provided outside the stack.
4. The straw crushing and stacking and storing device according to claim 1, wherein a stacking base (12) is arranged on the straw yard, and the straw stack is placed on the stacking base (12);
the upper plane of the pile base (12) is higher than the straw yard.
5. The straw crushing and stacking and storing device according to claim 4, wherein the number of the stacks is multiple, an inter-stack space is arranged between every two adjacent stacks, and an inter-stack drainage ditch (13) is arranged below the inter-stack space;
and one sides of two adjacent stacks, which are opposite to each other, are respectively provided with a fire fighting way between stacks.
6. The straw crushing and stacking device according to claim 1, further comprising a crushing pit (9), wherein a crusher support frame (4) is arranged on the crushing pit (9), and the crusher (2) is mounted on the crusher support frame (4).
7. The straw crushing and stacking device according to claim 6, wherein a first mounting surface (14) and a second mounting surface (15) are respectively arranged on two sides of the crushing pit (9);
an accommodating space is formed in the lower portion of the crusher supporting frame (4), a supporting foundation (7) is further arranged on the crushing pit (9), the second conveyor belt (3) is obliquely installed on the supporting foundation (7) through a supporting assembly, the oblique lower end of the second conveyor belt (3) extends into the accommodating space, and the oblique high end of the second conveyor belt (3) extends to the position right above a second installation surface (15);
the first conveyor belt (1) is mounted on a first mounting surface (14), and the output end of the first conveyor belt (1) extends above the crusher (2).
8. The straw crushing and stacking device according to claim 7, wherein the support assembly comprises a first support bar (5) and a second support bar (6);
first bracing piece (5), second bracing piece (6) are the V font and arrange, the one end of first bracing piece (5), second bracing piece (6) all demountable installation is on supporting basis (7), the other end of first bracing piece (5), second bracing piece (6) all demountable installation is on second conveyer belt (3).
9. The straw crushing and stacking and storing device according to claim 5, wherein the height of the stacking base (12) is 0.1m, the width of the stacking base (12) is 5m, the length of the stack is 84m, the width of the stack is 5m, and the width of the inter-stack space is 3 m.
10. A straw crushing and stacking device is characterized by comprising a first conveyor belt (1), a crusher (2), a second conveyor belt (3), a bundling and stacking device and a temperature measuring device;
an inlet of the crusher (2) is connected with an output end of the first conveyor belt (1), and an outlet of the crusher (2) is connected with an input end of the second conveyor belt (3); the broken straws output by the output end of the second conveyor belt (3) form a stack through a bundling and stacking device on a straw yard, and the temperature measuring device is arranged in the stack;
the temperature measuring device comprises an accommodating carrier and a temperature sensor;
the accommodating carrier is uniformly or non-uniformly provided with a plurality of through holes along the circumferential direction, and the temperature sensor is arranged inside the accommodating carrier;
arranging a temperature sensor in the accommodating carrier every 10m or every 5-6 m;
a plastic film is arranged outside the grass stack;
a pile base (12) is arranged on the straw yard, and the grass stacks are placed on the pile base (12);
the upper plane of the pile base (12) is higher than the straw yard;
the number of the stacks is multiple, an inter-stack space is arranged between every two adjacent stacks, and an inter-stack drainage ditch (13) is arranged below the inter-stack space;
one side of each two adjacent stacks, which is opposite to the other side, is provided with an inter-stack fire-fighting channel;
the crusher is characterized by further comprising a crushing pit (9), wherein a crusher support frame (4) is arranged on the crushing pit (9), and the crusher (2) is installed on the crusher support frame (4);
a first mounting surface (14) and a second mounting surface (15) are respectively arranged on two sides of the crushing pit (9);
an accommodating space is formed in the lower portion of the crusher supporting frame (4), a supporting foundation (7) is further arranged on the crushing pit (9), the second conveyor belt (3) is obliquely installed on the supporting foundation (7) through a supporting assembly, the oblique lower end of the second conveyor belt (3) extends into the accommodating space, and the oblique high end of the second conveyor belt (3) extends to the position right above a second installation surface (15);
the first conveyor belt (1) is mounted on a first mounting surface (14), and the output end of the first conveyor belt (1) extends to the upper part of the crusher (2);
the support assembly comprises a first support rod (5) and a second support rod (6);
the first supporting rod (5) and the second supporting rod (6) are arranged in a V shape, one end of each of the first supporting rod (5) and the second supporting rod (6) is detachably mounted on the supporting base (7), and the other end of each of the first supporting rod (5) and the second supporting rod (6) is detachably mounted on the second conveyor belt (3);
the height of the stack base (12) is 0.1m, the width of the stack base (12) is 5m, the length of the stack is 84m, the width of the stack is 5m, and the width of the space between the stacks is 3 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123236617.8U CN216982661U (en) | 2021-12-21 | 2021-12-21 | Straw crushing and stacking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123236617.8U CN216982661U (en) | 2021-12-21 | 2021-12-21 | Straw crushing and stacking device |
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| Publication Number | Publication Date |
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| CN216982661U true CN216982661U (en) | 2022-07-19 |
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| CN202123236617.8U Active CN216982661U (en) | 2021-12-21 | 2021-12-21 | Straw crushing and stacking device |
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