CN204616355U - A kind of fertilising fecal suction truck - Google Patents
A kind of fertilising fecal suction truck Download PDFInfo
- Publication number
- CN204616355U CN204616355U CN201520188575.0U CN201520188575U CN204616355U CN 204616355 U CN204616355 U CN 204616355U CN 201520188575 U CN201520188575 U CN 201520188575U CN 204616355 U CN204616355 U CN 204616355U
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- China
- Prior art keywords
- pipe
- liquid dung
- tank body
- fertilizer
- fertile
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- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
Abstract
The utility model relates to a kind of agricultural machinery, be specially a kind of fertilising fecal suction truck, comprise automobile chassis, driver's cabin, for store liquid dung liquid dung tank body, outside liquid dung is sucked liquid dung tank body Xi Fen mechanism, be arranged between driver's cabin and liquid dung tank body in folding and extend as required or to regain and to applying fertilizer the fertilization system a little applied fertilizer, and be connected with liquid dung tank body, quantitatively extract fertilizer out from liquid dung tank body and be quantitatively sent to the fertile system that goes out fertilization system; Also be provided with for clean liquid dung tank body, the cleaning systems going out fertile system and fertilization system.Fertilising fecal suction truck described in the utility model, can inhale excrement, can apply fertilizer again, carry cleaning function, can detergent line at any time, dredging pipeline.
Description
Technical field
The utility model relates to a kind of agricultural machinery, is specially a kind of fertilising fecal suction truck.
Background technology
Current fecal suction truck and tumbrel are two kinds of different vehicles; Fecal suction truck is a kind of environmental sanitation transporting equipment being applicable to the occasions such as municipal environmental sanitation, big-and-middle-sized community and using, for liquid such as transhipment liquid dungs.Current this car function singleness, can only by ight soil, liquid dung transhipment.The country lanes such as narrow lane cannot move, and produce foul smell when inhaling excrement, large to human body and environmental pollution, the activity duration is restricted; Cleaning tank body difficulty, spot is fouling in tank body, blocking pipe etc., causes serviceability to decline; Automaticity is low, has a lot of pathogene, worm's ovum etc. can not completely for crop fertilization in the excrement of absorption.Tumbrel is a kind of farm machinery, universal automation degree is low, and mostly be hand-operated manpower formula, labour intensity is large, operating efficiency is low, automatic degree is low, and operating environment is severe, and fertilizer source difficult quality controls, fertilizing amount accuracy is low, fertilization effect is poor, and fertilising instrument has injury more or less to crop tuber, and operating efficiency is low.
Utility model content
The purpose of this utility model is that providing a kind of inhales excrement tumbrel, integrates suction excrement, fertilising, cleans, increase work efficiency.
Above-mentioned purpose of the present utility model is mainly solved by following technical proposals:
A kind of fertilising fecal suction truck, comprises automobile chassis, driver's cabin, also comprises:
Liquid dung tank body, for storing liquid dung;
Xi Fen mechanism, sucks liquid dung tank body by outside liquid dung;
Fertilization system, is arranged between driver's cabin and liquid dung tank body in folding, extends as required or regains, to the fertilising of fertilising point;
Go out fertile system, be connected with liquid dung tank body, quantitatively extract fertilizer out from liquid dung tank body, and be quantitatively sent in fertilization system;
Cleaning systems, for clean liquid dung tank body, go out fertile system and fertilization system.
Preferably, this tumbrel also comprises innocuity disposal system liquid dung tank body being carried out to harmless treatment.
Preferably, innocuity disposal system comprises inorganic agent tank and measuring pump, and the discharging opening of inorganic agent tank is connected with measuring pump, and the port of export of measuring pump is provided with the carrier pipe of the band Controlling solenoid valve be connected with liquid dung tank body.
Preferably, go out fertile system comprise fertilizer storage barrel, with fertilizer storage barrel top export be connected vacuum generator, connect liquid dung tank body and fertilizer storage barrel enter fertile fertilizer producing tube of managing, being connected fertilizer storage barrel and fertilization system.
Preferably, entering fertile pipe is provided with into fertile solenoid electric valve, and fertilizer producing tube is provided with out fertile solenoid electric valve, and the outlet of fertilizer storage barrel top is provided with anti-overflow valve, and solenoid directional control valve is set between anti-overflow valve and vacuum generator, anti-overflow valve, solenoid directional control valve are connected by pipeline in turn with vacuum generator.
Preferably, fertilization system comprises guide rail on the automobile chassis that is arranged between driver's cabin and liquid dung tank body, controlled by multiple damped cylinder folding and flexible multi-section type float folding arm, be located at multi-section type float folding arm side fertilizer delivering pipe, put fertilely to manage, Digging machine, multi-section type floats one end of folding arm can at slide on rails, and multi-section type floats, the other end of folding arm is connected with Digging machine, one end of fertilizer delivering pipe with go out fertile system and be connected, and the other end of fertilizer delivering pipe with put fertile pipe and be connected.
Preferably, multiple fender rod is installed in guide rail both sides.
Preferably, cleaning systems comprise water circuit system and spray cleaning system, wherein water circuit system comprises: be arranged on multiple cloth water bags of liquid dung tank body both sides, cloth water bag water inlet pipe, water pump, pump water inlet, outlet pipe, middle adapter, return pipe, hydraulic quick coupler, the water inlet of water pump is connected with pump water inlet, the delivery port of water pump is connected with outlet pipe, the delivery port of water pump is provided with check valve, and pump water inlet, middle adapter are connected by triple valve with hydraulic quick coupler; Return pipe is connected with middle adapter, is connected between middle adapter with cloth water bag water inlet pipe by tee pipe coupling, and cloth water bag water inlet pipe is provided with the corresponding connector connected of multiple and each cloth water bag;
Spray cleaning system comprises: scavenge pipe, be arranged on the spiral nozzle group on liquid dung tank body top, and each spiral nozzle group is parallel to scavenge pipe by flange, and on scavenge pipe, be provided with scavenge pipe first main control valve; Scavenge pipe is also provided with scavenge pipe connecting line and goes out fertile system and be connected, and on scavenge pipe connecting line, be provided with scavenge pipe second main control valve;
Outlet pipe is all connected with scavenge pipe with return pipe.
The utility model inhales excrement tumbrel, and can inhale excrement, can apply fertilizer again, can apply fertilizer to car body both sides, operating flexibility, carries cleaning function, can detergent line at any time, dredges pipeline.Automatically, control out fertile system, omnidistancely adopt pneumatic conveying muck, fertilising efficiency improves greatly.Adopting the fertile tank of storage quantitative, ensure fertilizing amount and fertilising uniformity, and fertilization mode belonging to subsoil application, dropping to minimum on the impact of environment.
Other feature and advantage of the present utility model are described in detail in embodiment part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide further understanding of the present utility model, and forms a part for specification, is used from explanation the utility model, but does not form restriction of the present utility model with embodiment one below.
Fig. 1 is the utility model fertilising fecal suction truck first stereogram;
Fig. 2 is the utility model fertilising fecal suction truck second stereogram;
Fig. 3 is the front view of the utility model fertilising fecal suction truck;
Fig. 4 is the rearview of the utility model fertilising fecal suction truck;
Fig. 5 is the vertical view of the utility model fertilising fecal suction truck;
Fig. 6 is the right view of the utility model fertilising fecal suction truck;
Fig. 7 is the left view of the utility model fertilising fecal suction truck;
Fig. 8 is the A portion enlarged drawing in Fig. 3;
Fig. 9 is the structural representation of the utility model water circuit system;
Figure 10 is the structural representation of the utility model innocuity disposal system.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment:
As Figure 1-Figure 8, a kind of fertilising fecal suction truck, comprise automobile chassis 7, driver's cabin 8, vacuum system 3, for store liquid dung liquid dung tank body 6, outside liquid dung is sucked liquid dung tank body 6 Xi Fen mechanism, be arranged between driver's cabin 8 and liquid dung tank body 6 and the fertilization system 1 extending as required or regain and a little apply fertilizer to applying fertilizer in folding, and be connected with liquid dung tank body 6, quantitatively extract fertilizer out from liquid dung tank body 6 and be quantitatively sent to the fertile system 2 that goes out fertilization system 1; Also be provided with for clean liquid dung tank body 6, the cleaning systems going out fertile system 2 and fertilization system 1.
Inhaling excrement system adopts traditional vacuum to inhale excrement mode, and drive cross valve 14 to open by inhaling excrement cylinder, vavuum pump starts to bleed, by liquid dung inspiration tank body 6.
As shown in Figure 10, innocuity disposal system comprises inorganic agent tank 74 and measuring pump 75, and the discharging opening of inorganic agent tank 74 is connected with measuring pump 75, and the port of export of measuring pump 75 is provided with the carrier pipe 76 of band first magnetic valve 77 be connected with liquid dung tank body 6.Be provided with innocuity disposal system, carry out mix by pneumatic conveying inorganic agent and liquid dung, reach deodorizing, harmless treatment.
Namely liquid dung through harmless treatment becomes the fertilizer that can be used for agricultural production, enters out fertile system 2 by liquid dung tank body 6.
Go out fertile system to comprise fertilizer storage barrel 12, export the vacuum generator 34 be connected, the fertilizer producing tube 63 entering fertile pipe 52, be connected fertilizer storage barrel 12 and fertilization system connecting liquid dung tank body 6 and fertilizer storage barrel 12 with fertilizer storage barrel 12 top; Entering fertile pipe 52 is provided with into fertile solenoid electric valve 15, fertilizer producing tube 63 is provided with out fertile solenoid electric valve 11, as shown in Figure 8, the outlet of fertilizer storage barrel 12 top is provided with anti-overflow valve 32, and solenoid directional control valve 33 is set between anti-overflow valve 32 and vacuum generator 34, anti-overflow valve 32, solenoid directional control valve 33 are connected by pipeline in turn with vacuum generator 34.
Fertilization system comprise guide rail 58 on the automobile chassis 7 that is arranged between driver's cabin and liquid dung tank body and by multiple damped cylinder 55,56 control folding and flexible multi-section type float folding arm 57, be located at multi-section type float folding arm 57 side fertilizer delivering pipe 27, put fertile pipe 25, Digging machine 24, can slide in float one end of folding arm 57 of multi-section type on guide rail 58, and multi-section type floats, the other end of folding arm 57 is connected with Digging machine 24, one end of fertilizer delivering pipe 27 with go out fertile system 2 and be connected, and the other end of fertilizer delivering pipe 27 with put fertile pipe 25 and be connected.4 fender rods 59,60,61,62 are installed in guide rail both sides.
As shown in Figure 9, cleaning systems comprise water circuit system 9 and spray cleaning system 4, wherein water circuit system comprises: 4 the cloth water bags 46 being arranged on liquid dung tank body 6 both sides, 18, 48, 99 and cloth water bag water inlet pipe 65, water pump 42, pump water inlet 68, outlet pipe 37, middle adapter 67, return pipe 38, hydraulic quick coupler 54, return pipe 38 is provided with the back-water valve (BWV) 39 driven by backwater cylinder 40, the CD-ROM drive motor 53 of water pump and water pump 42 are installed on mounting 69, the water inlet of water pump 42 is connected with pump water inlet 68, the delivery port of water pump is connected with outlet pipe 37, the delivery port of water pump 42 is provided with check valve, pump water inlet 68, middle adapter 67 is connected by triple valve 41 with hydraulic quick coupler 54, return pipe 38 is connected with middle adapter 67, is connected between middle adapter 67 with cloth water bag water inlet pipe 65 by tee pipe coupling 66, and cloth water bag water inlet pipe 65 is provided with the corresponding connector 35,43,44,45 connected of multiple and each cloth water bag 46,18,48,99,
Spray cleaning system comprises: scavenge pipe 70, be arranged on the spiral nozzle group 47,50,51 on liquid dung tank body top, each spiral nozzle group 47,50,51 is parallel to scavenge pipe 70 by flange, and on scavenge pipe 70, be provided with scavenge pipe first main control valve 22 driven by scavenge pipe first master control cylinder 23; Scavenge pipe 70 is also provided with scavenge pipe connecting line and is connected with fertilizer storage barrel 12, and on scavenge pipe connecting line, be provided with scavenge pipe second main control valve 29 driven by scavenge pipe second master control cylinder 30; Outlet pipe 37 is all connected with scavenge pipe 70 with return pipe 38.
The operating process of employing the utility model fertilising fecal suction truck is:
Inhale excrement: open cross valve 14, vavuum pump starts to bleed, by liquid dung inspiration tank body, termination of pumping, closes valve.
Stir harmless treatment: chassis gas outlet INO, innocuity disposal system INO, inorganic agent enters tank body, and agitator is opened, and carries out harmless treatment.
Fertilising: open out the intake valve of fertile system 2, enter fertile solenoid electric valve 15, close out fertile solenoid electric valve 11, fertile for storage tank 12 vacuumizes by vacuum generator 34, fertilizer enters the fertile tank 12 of storage by entering fertile pipe 52, take out solenoid directional control valve 33 completely to commutate, inflate in the fertile tank 12 of storage, close into fertile solenoid electric valve 15, open out fertile solenoid electric valve 11, take off Digging machine 24, open three-section type and to float folding arm 57; The three-section type folding arm 57 that floats is equipped with damped cylinder 55,56, Digging machine 24 is dragged to fertilising point, under be drilled into fertilization depth; Rotating switch 31 fertilizer is by putting fertile pipe 25, and now fertilizer flows out automatically because of pressure, completes single-dose application, repeats above process and completes fertilising.
Cleaning: two kinds of patterns can be divided into, one absorbs water from water tank: after having applied fertilizer, the pump motor 53 starting water circuit system 9 drives water pump 42 to rotate, back-water valve (BWV) 39 cuts out, triple valve 41 is opened to vertical with hydraulic quick coupler 54, pump water in each cloth water bag 46,18,48,99 through outlet pipe 37 respectively, open the first main control valve 22, rinse water flows into each spiral nozzle group 47,50,51 pairs of liquid manure tanks 6 and cleans.Open the second main control valve 29, rinse water flows into the fertile tank 12 of storage, closes into fertile solenoid electric valve 15, opens out fertile solenoid electric valve 11, rotating switch 31, to fertilizer delivering pipe 27, puts fertile pipe 25 and cleans.
Another kind is that process is as follows: from water head site, water pipe is accessed hydraulic quick coupler 54, is opened by triple valve 41 to parallel with hydraulic quick coupler 54 from water head site water suction cleaning, starts pump motor 53 and drives water pump 42 to rotate, clean.
Can also to absorb water moisturizing from water head site, process is as follows: from water head site, water pipe is accessed hydraulic quick coupler 54, triple valve 41 is opened to parallel with hydraulic quick coupler 54, starting pump motor 53 drives water pump 42 to rotate, open back-water valve (BWV) 39, close the first main control valve 22, second main control valve 29, water source enters cloth water bag 46,18,48,99 through connector 35,43,44,45 and completes moisturizing.
The beneficial effects of the utility model are:
(1) excrement, can be inhaled, can apply fertilizer again.
(2), adopt in fertilising process, the three-section type folding arm 57 that floats is equipped with damped cylinder 55,56, can offset the deadweight of Digging machine 24, drag easily, farthest reduce labor intensity.Can to suspend fixed point optional position within the scope of fertilising, Digging machine 24 is articulated with three-section type and floats folding arm 57, operating flexibility.The three-section type folding arm 57 that floats can slide on guide rail 58, can apply fertilizer to car body both sides.For preventing the three-section type folding arm 57 that floats from bumping against car body, the utility model is provided with lever.
(3) be provided with innocuity disposal system, carry out mix by pneumatic conveying inorganic agent and liquid dung, reach deodorizing, harmless treatment.
(4) carry cleaning function, 1. can carry out flushing tank body there being water source to be located in self-priming, and cleaning and dredging fertilising, fertilizer producing tube road.2. water storage cloth bag is carried, light, can detergent line at any time, dredging pipeline.
(5) automatically control out fertile system, omnidistance employing pneumatic conveying muck, adopts the fertile tank 12 of storage quantitative, ensures fertilizing amount and uniformity of applying fertilizer.
(6) automaticity is high: all pumps of car load adopt hydraulic power, and valve adopts cylinder to control or magnetic valve.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (8)
1. apply fertilizer a fecal suction truck, comprises automobile chassis (7), driver's cabin (8), it is characterized in that, also comprise:
Liquid dung tank body (6), for storing liquid dung;
Xi Fen mechanism, sucks liquid dung tank body (6) by outside liquid dung;
Fertilization system (1), is arranged between driver's cabin (8) and liquid dung tank body (6) in folding, extends as required or regains, to the fertilising of fertilising point;
Go out fertile system (2), be connected with liquid dung tank body (6), quantitatively extract fertilizer out from liquid dung tank body (6), and be quantitatively sent in fertilization system (1);
Cleaning systems, for clean liquid dung tank body (6), go out fertile system (2) and fertilization system (1).
2. apply fertilizer fecal suction truck according to claim 1, it is characterized in that, this fertilising fecal suction truck also comprises the innocuity disposal system (10) liquid dung tank body (6) being carried out to harmless treatment.
3. apply fertilizer fecal suction truck according to claim 2, it is characterized in that, described innocuity disposal system comprises inorganic agent tank (74) and measuring pump (75), the discharging opening of inorganic agent tank (74) is connected with measuring pump (75), and the port of export of measuring pump (75) is provided with the carrier pipe (76) of the band Controlling solenoid valve (77) be connected with liquid dung tank body (6).
4. apply fertilizer fecal suction truck according to claim 1 or 2, it is characterized in that, described in go out fertile system comprise fertilizer storage barrel (12), with fertilizer storage barrel (12) top export be connected vacuum generator (34), connect that (52) fertilely manages by entering of liquid dung tank body (6) and fertilizer storage barrel (12), the fertilizer producing tube (63) of be connected fertilizer storage barrel (12) and fertilization system.
5. apply fertilizer fecal suction truck according to claim 4, it is characterized in that, described enter fertile pipe (52) be provided with into fertile solenoid electric valve (15), fertilizer producing tube (63) is provided with out fertile solenoid electric valve (11), and the outlet of fertilizer storage barrel (12) top is provided with anti-overflow valve (32), and solenoid directional control valve (33) is set between anti-overflow valve (32) and vacuum generator (34), anti-overflow valve (32), solenoid directional control valve (33) are connected by pipeline in turn with vacuum generator (34).
6. apply fertilizer fecal suction truck according to claim 1 or 2, it is characterized in that, described fertilization system comprises the guide rail (58) on the automobile chassis (7) that is arranged between driver's cabin and liquid dung tank body, by multiple damped cylinder (55, 56) control folding and flexible multi-section type to float folding arm (57), be located at multi-section type to float the fertilizer delivering pipe (27) of folding arm (57) side, put fertile pipe (25), Digging machine (24), can slide guide rail (58) is upper in float one end of folding arm (57) of described multi-section type, and multi-section type floats, the other end of folding arm (57) is connected with Digging machine (24), one end of described fertilizer delivering pipe (27) with go out fertile system (2) and be connected, and the other end of fertilizer delivering pipe (27) fertile managed (25) and is connected with putting.
7. apply fertilizer fecal suction truck according to claim 6, it is characterized in that, multiple fender rod (59,60,61,62) is installed in described guide rail both sides.
8. apply fertilizer fecal suction truck according to claim 1 or 2, it is characterized in that, described cleaning systems comprise water circuit system (9) and spray cleaning system (4), wherein water circuit system comprises: the multiple cloth water bags (46 being arranged on liquid dung tank body (6) both sides, 18, 48, 99), cloth water bag water inlet pipe (65), water pump (42), pump water inlet (68), outlet pipe (37), middle adapter (67), return pipe (38), hydraulic quick coupler (54), the water inlet of described water pump (42) is connected with pump water inlet (68), the delivery port of water pump is connected with outlet pipe (37), the delivery port of water pump (42) is provided with check valve, described pump water inlet (68), middle adapter (67) is connected by triple valve (41) with hydraulic quick coupler (54), described return pipe (38) is connected with middle adapter (67), described middle adapter (67) is connected by tee pipe coupling (66) with between cloth water bag water inlet pipe (65), described cloth water bag water inlet pipe (65) is provided with multiple and each cloth water bag (46,18,48,99) the corresponding connector (35,43 connected, 44,45),
Spray cleaning system comprises: scavenge pipe (70), be arranged on the spiral nozzle group (47 on liquid dung tank body top, 50,51), each spiral nozzle group (47,50,51) be parallel to scavenge pipe (70) by flange, and be provided with scavenge pipe first main control valve (22) on scavenge pipe (70); Described scavenge pipe (70) is also provided with scavenge pipe connecting line and goes out fertile system and be connected, and on scavenge pipe connecting line, be provided with scavenge pipe second main control valve (29);
Described outlet pipe (37) is all connected with scavenge pipe (70) with return pipe (38).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520188575.0U CN204616355U (en) | 2015-03-31 | 2015-03-31 | A kind of fertilising fecal suction truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520188575.0U CN204616355U (en) | 2015-03-31 | 2015-03-31 | A kind of fertilising fecal suction truck |
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| Publication Number | Publication Date |
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| CN204616355U true CN204616355U (en) | 2015-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520188575.0U Expired - Fee Related CN204616355U (en) | 2015-03-31 | 2015-03-31 | A kind of fertilising fecal suction truck |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106801467A (en) * | 2016-12-28 | 2017-06-06 | 重庆淼森环保工程有限公司 | Movable type inhales excrement device |
| CN109197601A (en) * | 2017-06-29 | 2019-01-15 | 西双版纳宏源牧业有限公司 | A kind of integration Feces of Beef Cattle mixed processing device |
| CN109743946A (en) * | 2019-02-25 | 2019-05-14 | 河北工业大学 | A kind of organic fertilizer collects transport and applies vehicle |
| CN115843524A (en) * | 2023-02-24 | 2023-03-28 | 安徽农业大学 | Humic acid organic fertilizer application equipment and method |
-
2015
- 2015-03-31 CN CN201520188575.0U patent/CN204616355U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106801467A (en) * | 2016-12-28 | 2017-06-06 | 重庆淼森环保工程有限公司 | Movable type inhales excrement device |
| CN106801467B (en) * | 2016-12-28 | 2018-12-04 | 重庆淼森环保工程有限公司 | Movable type inhales excrement device |
| CN109197601A (en) * | 2017-06-29 | 2019-01-15 | 西双版纳宏源牧业有限公司 | A kind of integration Feces of Beef Cattle mixed processing device |
| CN109743946A (en) * | 2019-02-25 | 2019-05-14 | 河北工业大学 | A kind of organic fertilizer collects transport and applies vehicle |
| CN109743946B (en) * | 2019-02-25 | 2023-11-28 | 河北工业大学 | Organic fertilizer collecting, transporting and spreading vehicle |
| CN115843524A (en) * | 2023-02-24 | 2023-03-28 | 安徽农业大学 | Humic acid organic fertilizer application equipment and method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150909 Termination date: 20210331 |
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| CF01 | Termination of patent right due to non-payment of annual fee |