CN112521185A - Integrated equipment is made to beasts and birds excrement and urine fertilizer - Google Patents
Integrated equipment is made to beasts and birds excrement and urine fertilizer Download PDFInfo
- Publication number
- CN112521185A CN112521185A CN202011427222.3A CN202011427222A CN112521185A CN 112521185 A CN112521185 A CN 112521185A CN 202011427222 A CN202011427222 A CN 202011427222A CN 112521185 A CN112521185 A CN 112521185A
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- machine body
- roller
- scraping plate
- nested
- helical gear
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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
- C05F3/00—Fertilisers from human or animal excrements, e.g. manure
- C05F3/06—Apparatus for the manufacture
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
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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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses an integrated device for manufacturing livestock and poultry manure organic fertilizer, which structurally comprises: the angle cleaning mechanism is characterized by comprising a machine body, a driving motor, a middle shaft, an auger and an angle cleaning mechanism, wherein the auger is spirally arranged on the middle shaft, two angle cleaning mechanisms are arranged on the middle shaft and are respectively arranged at two sides in the machine body, the angle cleaning mechanism consists of a turntable, a scraping plate, a turning roller, a helical gear and a spring, the scraping plate is fixed at the side surface of the turntable, the length direction of the scraping plate points to the circle center of the turntable, the turning roller is clamped on the scraping plate along the length direction of the scraping plate, the spring is nested on the turning roller and is propped between the turntable and the turning roller, the rotating disc is driven to rotate when the middle shaft rotates, the scraping plate arranged on the rotating disc cleans the corners of the bottom of the machine body, therefore, the materials piled up at the corners of the machine body can be turned out by the scraper blade, so that the materials are mixed and stirred more completely, meanwhile, the situation that the interior of the machine body is difficult to clean due to accumulation and hardening of materials with high humidity is avoided.
Description
Technical Field
The invention relates to the field of fertilizer equipment, in particular to integrated equipment for manufacturing livestock and poultry manure organic fertilizer.
Background
After being decomposed and fermented, the livestock and poultry manure needs to be mixed with other materials through a stirring step, and then the next operation can be carried out;
in the stirring mixes integrated equipment, often adopt the auger to turn over the roller stirring to the material, transmit the discharge gate with the material by the feed inlet when stirring, but the rotation range of auger is oval form, and this makes the fodder of internal edge department can not obtain the stirring and the drive of auger, and when the stirring mixes some great materials of water content, the material of edge department is piled up easily, not only makes the stirring of fertilizer not enough even, and the easy knot causes the equipment to clear up the difficulty.
Disclosure of Invention
Aiming at the problems, the invention provides integrated equipment for manufacturing livestock and poultry manure organic fertilizer.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a beasts and birds excrement and urine fertilizer makes integration equipment, its structure includes: the angle cleaning mechanism comprises a rotary table, scraping plates, turning rollers, helical gears and springs, wherein the scraping plates are fixed on the side surface of the rotary table, the length direction of the scraping plates points to the circle center of the rotary table, the turning rollers are clamped on the scraping plates along the length direction of the scraping plates, the springs are embedded on the turning rollers and are abutted between the rotary table and the turning rollers, the scraping plates, the turning rollers, the helical gears and the springs form a group and are provided with four groups and are uniformly distributed along the rotary table, the rotary table is driven to rotate through the central shaft, so that the scraping plates clean the corners at the bottom of the machine body, and materials accumulated to the corners of the machine body can be turned out by the scraping plates, avoid the material to pile up the condition that the knot causes the inside difficult clearance of organism.
Preferably, turn over the roller by nested roller, turn over the leaf and the connecting axle is constituteed, it is cylindrical and inside hollow form to inlay the roller, it is the slice and encircles and be equipped with eight in inlaying set roller side to turn over the leaf, the top and the nested block at the roller are fixed to the connecting axle on the carousel, the helical gear is established inside the carousel and is fixed on the connecting axle, and through the rotation of inlaying the roller, the leaf that turns over that the drive nested roller was equipped with carries out outside stirring to the material for the material of internal edge department can turn over to the outside, then gets into in the working range of auger, further makes the material can carry out the intensive mixing.
Preferably, the bottom of the scraper is bent at a right angle and is provided with a limit pin, the axis of the limit pin is parallel to the length direction of the scraper, and the nesting roller is nested on the limit pin.
Preferably, the plane of the inner wall of the machine body is provided with a skewed tooth area and a top tooth, both the skewed tooth area and the top tooth are arranged in the containing range of the turntable, the helical gear area is arranged along the circumferential direction of the motion of the helical gear and is positioned below the middle shaft, the helical gear area consists of forty-five degree helical gears and is meshed with the helical gear, the top teeth are provided with two top teeth which are positioned above the central shaft, the helical gears are clamped with the top teeth, the distance between the top of the top teeth and the circle center of the rotary table is larger than the distance between the bottom of the helical gears and the circle center of the rotary table, when the helical gear rotates to the helical gear area along with the turntable and is meshed with the helical gear area, the helical gear can drive the nesting roller to rotate through the connecting shaft, therefore, the turning blade works, when the helical gear rotates to the top, the helical gear is contacted with the top tooth, slowly jacked up through the top tooth and then instantly put down, and the turning roller is vibrated, so that the residual materials on the turning roller are shaken off.
Preferably, the length of the limiting pin is larger than the maximum compression length of the spring, and the difference value between the distance between the top of the top tooth and the circle center of the rotary table and the distance between the bottom of the bevel gear and the circle center of the rotary table is smaller than the value of the length of the limiting pin.
Preferably, the bottom of the scraper abuts against the corner of the bottom of the machine body.
Preferably, the flap is an iron sheet with high elasticity, the flap is straight under the conventional state, and the transverse length of the flap is greater than the minimum distance from the nesting roller to the inner wall of the machine body, so that the flap can be attached to the inner wall of the machine body when rotating, and the material of the machine body can be turned out.
Advantageous effects
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the corner cleaning mechanisms arranged at the two ends of the center shaft are utilized to drive the rotary disc to rotate when the center shaft rotates, and the corners at the bottom of the machine body are cleaned through the scrapers arranged on the rotary disc, so that materials accumulated on the corners of the machine body can be turned out by the scrapers, and the materials at the corners of the machine body and the materials outside the machine body are exchanged step by step, so that the materials are mixed and stirred more completely, and the condition that the interior of the machine body is difficult to clean due to accumulation and hardening of the materials with high humidity is avoided;
2. according to the invention, when the helical gear rotates to the helical gear area along with the turntable and is meshed with the helical gear area, the helical gear can drive the nesting roller to rotate through the connecting shaft, and further drive the turning vanes arranged on the nesting roller to turn over materials outwards, so that the materials at the inner corners of the machine body can be turned over outwards and then enter the working range of the auger, and the materials can be further fully stirred and mixed;
3. according to the invention, the top teeth are arranged in the upper range of the middle shaft, when the helical gear rotates to the top, the helical gear is contacted with the top teeth, the helical gear is slowly jacked up through the top teeth and then instantly put down, and the turnover roller is vibrated, so that the residual material on the turnover roller is shaken off, and the influence of the residual material on the rotation of the turnover roller is avoided.
Drawings
Fig. 1 is a schematic view of the general structure of the present invention.
Fig. 2 is a schematic sectional view of the front surface of the present invention.
Fig. 3 is a schematic side sectional view of the corner cleaning mechanism of the present invention.
Fig. 4 is a schematic top view of the turning roller of the present invention.
Fig. 5 is a three-dimensional schematic diagram of a part of the structure of the corner cleaning mechanism.
FIG. 6 is a schematic view of the location and configuration of the skewed tooth zone and top tooth of the present invention.
In the figure: the machine body-1, the driving motor-2, the middle shaft-3, the auger-4, the corner cleaning mechanism-5, the turntable-51, the scraping plate-52, the turning roller-53, the helical gear-54, the spring-55, the nesting roller-531, the turning blade-532, the connecting shaft-533, the limit pin-521, the helical tooth area-11 and the top tooth-12.
Detailed Description
In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the following description and the accompanying drawings further illustrate the preferred embodiments of the invention.
Example one
As shown in fig. 1-3, the invention provides an integrated device for manufacturing livestock and poultry manure organic fertilizer, which structurally comprises: the angle cleaning machine comprises a machine body 1, a driving motor 2, a middle shaft 3, an auger 4 and an angle cleaning mechanism 5, wherein the middle shaft 3 is arranged in the machine body 1 along the length direction of the machine body 1, the auger 4 is in a spiral shape and is arranged on the middle shaft 3, the driving motor 2 is arranged outside the machine body 1 and is in belt transmission connection with the middle shaft 3, the angle cleaning mechanism 5 is arranged on the middle shaft 3 and is respectively arranged at two sides inside the machine body 1, the angle cleaning mechanism 5 is composed of a turntable 51, a scraping plate 52, a turning roller 53, a helical gear 54 and a spring 55, the scraping plate 52 is fixed at the side surface of the turntable 51, the length direction of the scraping plate 52 points to the circle center of the turntable 51, the turning roller 53 is clamped on the scraping plate 52 along the length direction of the scraping plate 52, the spring 55 is nested on the turning roller 53 and is propped between the turntable 51 and the turning roller 53, the scraping plate 52, the turning roller, drive the carousel 51 through axis 3 and rotate, make scraper blade 52 clear up the corner of organism 1 bottom, make the material of piling up the organism 1 corner can be turned out by scraper blade 52 from this, avoid the material to pile up the condition that the knot causes organism 1 inside to be difficult to the clearance.
Turn over roller 53 by nested roller 531, turn over leaf 532 and connecting axle 533 and constitute, it is cylindrical and inside hollow form to inlay set roller 531, turn over leaf 532 is the slice and encircles and be equipped with eight in inlaying set roller 531 side, connecting axle 533 is fixed on the top of inlaying set roller 531 and nested block on carousel 51, helical gear 54 is established inside carousel 51 and is fixed on connecting axle 533, and through the rotation of inlaying set roller 531, the leaf 532 that turns over that drives and inlays set roller 531 and be equipped with carries out outside stirring to the material for the material of edge department can turn over to the outside in organism 1, then gets into in auger 4's working range, further makes the material can carry out the intensive mixing.
The bottom of the scraper 52 is bent at a right angle and is provided with a limit pin 521, the axis of the limit pin 521 is parallel to the length direction of the scraper 52, and the nesting roller 531 is nested on the limit pin 521.
The bottom of the scraper 52 is against the corner of the bottom of the machine body 1.
The working principle of the present invention is explained as follows:
Example two
As shown in fig. 4-6, the invention provides an integrated device for manufacturing livestock and poultry manure organic fertilizer, which structurally comprises: the angle cleaning machine comprises a machine body 1, a driving motor 2, a middle shaft 3, an auger 4 and an angle cleaning mechanism 5, wherein the middle shaft 3 is arranged in the machine body 1 along the length direction of the machine body 1, the auger 4 is in a spiral shape and is arranged on the middle shaft 3, the driving motor 2 is arranged outside the machine body 1 and is in belt transmission connection with the middle shaft 3, the angle cleaning mechanism 5 is arranged on the middle shaft 3 and is respectively arranged at two sides inside the machine body 1, the angle cleaning mechanism 5 is composed of a turntable 51, a scraping plate 52, a turning roller 53, a helical gear 54 and a spring 55, the scraping plate 52 is fixed at the side surface of the turntable 51, the length direction of the scraping plate 52 points to the circle center of the turntable 51, the turning roller 53 is clamped on the scraping plate 52 along the length direction of the scraping plate 52, the spring 55 is nested on the turning roller 53 and is propped between the turntable 51 and the turning roller 53, the scraping plate 52, the turning roller, drive the carousel 51 through axis 3 and rotate, make scraper blade 52 clear up the corner of organism 1 bottom, make the material of piling up the organism 1 corner can be turned out by scraper blade 52 from this, avoid the material to pile up the condition that the knot causes organism 1 inside to be difficult to the clearance.
Turn over roller 53 by nested roller 531, turn over leaf 532 and connecting axle 533 and constitute, it is cylindrical and inside hollow form to inlay set roller 531, turn over leaf 532 is the slice and encircles and be equipped with eight in inlaying set roller 531 side, connecting axle 533 is fixed on the top of inlaying set roller 531 and nested block on carousel 51, helical gear 54 is established inside carousel 51 and is fixed on connecting axle 533, and through the rotation of inlaying set roller 531, the leaf 532 that turns over that drives and inlays set roller 531 and be equipped with carries out outside stirring to the material for the material of edge department can turn over to the outside in organism 1, then gets into in auger 4's working range, further makes the material can carry out the intensive mixing.
The bottom of the scraper 52 is bent at a right angle and is provided with a limit pin 521, the axis of the limit pin 521 is parallel to the length direction of the scraper 52, and the nesting roller 531 is nested on the limit pin 521.
The plane of the inner wall of the machine body 1 is provided with a helical gear area 11 and a top tooth 12, the helical gear area 11 and the top tooth 12 are both arranged in the containing range of the rotating disc 51, the helical gear area 11 is arranged along the circumferential direction of the motion of the helical gear 54 and is positioned below the central shaft 3, the helical gear area 11 consists of forty-five helical gears and is meshed with the helical gear 54, two top teeth 12 are arranged and are positioned above the central shaft 3, the helical gear 54 is clamped with the top tooth 12, the distance between the top of the top tooth 12 and the circle center of the rotating disc 51 is larger than the distance between the bottom of the helical gear 54 and the circle center of the rotating disc 51, the helical gear 54 is meshed with the helical gear area 11 when rotating to the helical gear area 11 along with the rotating disc 51, so that the helical gear 54 can drive the nesting roller 531 to rotate through the connecting shaft 533 to enable the turning leaf 532 to work, when the helical gear 54 rotates to the top, the top tooth 12 is contacted with the, the turning roller 53 is vibrated, so that the residual material on the turning roller 53 is shaken off.
The length of the limit pin 521 is greater than the maximum compression length of the spring 55, and the difference between the distance between the top of the top tooth 12 and the center of the rotary disc 51 and the distance between the bottom of the bevel gear 54 and the center of the rotary disc 51 is smaller than the value of the length of the limit pin 521, so that the position deviation of the turning roller 53 when the bevel gear 54 is jacked up by the top tooth 12 and reset is avoided.
The flap 532 is an iron sheet with high elasticity, the flap 532 is straight under the conventional state, the transverse length of the flap 532 is greater than the minimum distance from the nesting roller 531 to the inner wall of the machine body 1, so that the flap 532 can be attached to the inner wall of the machine body 1 when rotating, and the material of the machine body 1 can be turned out.
The working principle of the present invention is explained as follows:
when the bevel gear 54 rotates to the helical tooth area 11 along with the turntable 51 and is meshed with the helical tooth area 11, the bevel gear 54 can be meshed with the helical tooth area 11 to rotate, the nested roller 531 is driven to rotate through the connecting shaft 533, and the turning leaves 532 arranged on the nested roller 531 are further driven to turn the materials at the corners of the machine body 1 outwards, so that the materials at the corners of the machine body 1 can be turned outwards, and then enter the working range of the packing auger 4, and the materials can be further fully stirred and mixed;
when the bevel gear 54 contacts the top tooth 12 when the turntable 51 rotates to the top, the bevel gear 54 is pulled up through the slope on the left side of the top tooth 12, the turning roller 53 is driven to be nested with the limit pin 521, the distance between the turning roller and the circle center of the turntable 51 is slowly drawn, meanwhile, the spring 55 is compressed, and then the bevel gear 54 is released instantaneously through the slope on the right side of the top tooth 12, so that the turning roller 53 is collided to the bottoms of the scraper blade 52 and the limit pin 521 by the elastic force of the spring 55, the turning roller 53 is vibrated, and therefore materials remained on the turning roller 53 are shaken off, and the phenomenon that the materials remained on the turning roller 53 influence the rotation of the turning roller 53.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a beasts and birds excrement and urine fertilizer makes integration equipment, its structure includes: organism (1), driving motor (2), axis (3), auger (4), corner cleaning mechanism (5), its characterized in that:
the angle cleaning machine is characterized in that a feeding port is formed in the upper left of the machine body (1), a discharging port is formed in the lower right of the machine body (1), the middle shaft (3) is arranged in the machine body (1) along the length direction of the machine body (1), the auger (4) is spiral and is arranged on the middle shaft (3), the driving motor (2) is arranged on the outer side of the machine body (1) and is in belt transmission connection with the middle shaft (3), and two angle cleaning mechanisms (5) are arranged on the middle shaft (3) and are respectively arranged on two sides in the machine body (1);
the corner cleaning mechanism (5) is composed of a rotary table (51), a scraping plate (52), a turning roller (53), a bevel gear (54) and a spring (55), the scraping plate (52) is fixed on the side face of the rotary table (51), the length direction of the scraping plate (52) points to the circle center of the rotary table (51), the turning roller (53) is clamped on the scraping plate (52) along the length direction of the scraping plate (52), the spring (55) is nested on the turning roller (53) and is abutted between the rotary table (51) and the turning roller (53), and the scraping plate (52), the turning roller (53), the bevel gear (54) and the spring (55) form a group and are provided with four groups and are uniformly distributed along the rotary table (51).
2. The integrated device for manufacturing the livestock and poultry manure organic fertilizer as claimed in claim 1, which is characterized in that: turn over roller (53) and constitute by nested roller (531), leaf (532) and connecting axle (533), nested roller (531) are cylindrical and inside and are hollow form, leaf (532) turn over is the slice and encircles and be equipped with eight in nested roller (531) side, connecting axle (533) are fixed on the top of nested roller (531) and nested block on carousel (51), helical gear (54) are established in carousel (51) inside and are fixed on connecting axle (533).
3. The integrated device for manufacturing the livestock and poultry manure organic fertilizer as claimed in claim 2, which is characterized in that: the bottom of the scraper (52) is bent at a right angle and is provided with a limit pin (521), the axis of the limit pin (521) is parallel to the length direction of the scraper (52), and the nesting roller (531) is nested on the limit pin (521).
4. The integrated device for manufacturing the livestock and poultry manure organic fertilizer as claimed in claim 1, which is characterized in that: be equipped with skewed tooth district (11) and apical tooth (12) on organism (1) inner wall plane, skewed tooth district (11) and apical tooth (12) are all established in the scope of containing of carousel (51), skewed tooth district (11) set up and are located the below of axis (3) along the circumferencial direction of helical gear (54) motion, skewed tooth district (11) comprise forty-five degree skewed teeth and mesh with helical gear (54), apical tooth (12) are equipped with two and are located the top of axis (3), helical gear (54) and apical tooth (12) looks block, the distance of apical tooth (12) top and carousel (51) centre of a circle is greater than the distance of helical gear (54) bottom and carousel (51) centre of a circle.
5. The integrated device for manufacturing the livestock and poultry manure organic fertilizer as claimed in claim 4, which is characterized in that: the length of the limiting pin (521) is larger than the maximum compression length of the spring (55), and the difference between the distance between the top of the top tooth (12) and the circle center of the rotary table (51) and the distance between the bottom of the bevel gear (54) and the circle center of the rotary table (51) is smaller than the length of the limiting pin (521).
6. The integrated device for manufacturing the livestock and poultry manure organic fertilizer as claimed in claim 1, which is characterized in that: the bottom of the scraper (52) is abutted against the corner of the bottom of the machine body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011427222.3A CN112521185A (en) | 2020-12-09 | 2020-12-09 | Integrated equipment is made to beasts and birds excrement and urine fertilizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011427222.3A CN112521185A (en) | 2020-12-09 | 2020-12-09 | Integrated equipment is made to beasts and birds excrement and urine fertilizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112521185A true CN112521185A (en) | 2021-03-19 |
Family
ID=74996897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011427222.3A Pending CN112521185A (en) | 2020-12-09 | 2020-12-09 | Integrated equipment is made to beasts and birds excrement and urine fertilizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112521185A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201033760Y (en) * | 2007-04-02 | 2008-03-12 | 李福臣 | Fecal microorganism treating apparatus |
| CN211159590U (en) * | 2019-11-11 | 2020-08-04 | 中原内配集团鼎锐科技有限公司 | Mixing device for producing high-efficiency grinding honing emery stick |
| CN111530868A (en) * | 2020-05-19 | 2020-08-14 | 温州兴升环保科技有限公司 | Dead-angle-free coal residue cleaning machine |
| CN211415715U (en) * | 2019-11-06 | 2020-09-04 | 全椒广亚新型建材有限公司 | Concrete mixing device |
| CN212039937U (en) * | 2020-01-08 | 2020-12-01 | 陈文泉 | Excrement treatment device for livestock breeding |
-
2020
- 2020-12-09 CN CN202011427222.3A patent/CN112521185A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201033760Y (en) * | 2007-04-02 | 2008-03-12 | 李福臣 | Fecal microorganism treating apparatus |
| CN211415715U (en) * | 2019-11-06 | 2020-09-04 | 全椒广亚新型建材有限公司 | Concrete mixing device |
| CN211159590U (en) * | 2019-11-11 | 2020-08-04 | 中原内配集团鼎锐科技有限公司 | Mixing device for producing high-efficiency grinding honing emery stick |
| CN212039937U (en) * | 2020-01-08 | 2020-12-01 | 陈文泉 | Excrement treatment device for livestock breeding |
| CN111530868A (en) * | 2020-05-19 | 2020-08-14 | 温州兴升环保科技有限公司 | Dead-angle-free coal residue cleaning machine |
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Application publication date: 20210319 |