CN215379887U - Pressure-stabilizing accurate discharge mechanism of fecal sewage deep-application operation vehicle - Google Patents
Pressure-stabilizing accurate discharge mechanism of fecal sewage deep-application operation vehicle Download PDFInfo
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- CN215379887U CN215379887U CN202121852224.7U CN202121852224U CN215379887U CN 215379887 U CN215379887 U CN 215379887U CN 202121852224 U CN202121852224 U CN 202121852224U CN 215379887 U CN215379887 U CN 215379887U
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Abstract
The utility model relates to the technical field of livestock and poultry breeding wastewater resource utilization, and provides a pressure-stabilizing accurate discharge mechanism of a liquid dung deep-application operation vehicle, which is used for a deep-application injection operation vehicle and comprises a tank body, a circulating pump and a liquid injection pipe, wherein the liquid injection pipe is used for connecting the tank body and the injection mechanism, the circulating pump is used as a power source for fertilization, and the pressure-stabilizing accurate discharge mechanism also comprises: the liquid injection control valve is arranged on the liquid injection pipe and is used for controlling the liquid injection pipe to be communicated with the tank body; and the time relay is connected with the liquid injection control valve and used for controlling the opening degree of the liquid injection control valve. Through the technical scheme, the problem that the deep application injection device in the prior art cannot stably and accurately control the fertilizing amount is solved.
Description
Technical Field
The utility model relates to the technical field of livestock and poultry breeding wastewater resource utilization, in particular to a pressure-stabilizing accurate discharge mechanism of a deep manure application operation vehicle.
Background
At present, the existing method for treating the excrement and urine sewage generated by livestock and poultry breeding on farms is mainly discharged into the surrounding fields, the ground surfaces or rivers, the sewage easily flows transversely and pollutes the surrounding environment and water sources, and the sewage is discharged after being treated by a sewage treatment process, but the treatment process has the problems of complexity and high cost. Farm beasts and birds breed waste water can use as liquid fertilizer after simple processing, present application method is the mode of directly spraying in the farmland more, the volatile problem of liquid nitrogen has existed in the mode of surface spraying, this kind of mode both has had the waste, the smell that the liquid dung produced also has the pollution to the environment, also have the mode of adopting the injection of applying deeply, can reduce liquid nitrogen and volatilize, direct injection crop root, when doing benefit to the crop absorption, reduce the loss of earth's surface fertilizer, but current injection fertilizer injection unit can't stabilize accurate control fertilization volume and fertilization pressure.
SUMMERY OF THE UTILITY MODEL
The utility model provides a pressure-stabilizing accurate discharge mechanism of a liquid dung deep-application operation vehicle, which solves the problem that a deep-application injection device in the prior art cannot stably and accurately control the fertilizing amount.
The technical scheme of the utility model is as follows:
the utility model provides an accurate emission of steady voltage mechanism of operation car is executed deeply to liquid dung for the injection operation car is executed deeply, includes a jar body, circulating pump and annotates the liquid pipe, it is used for connecting to annotate the liquid pipe jar body and injection mechanism, the circulating pump still includes as the power supply of fertilization:
the liquid injection control valve is arranged on the liquid injection pipe and used for controlling the liquid injection pipe to be communicated with the tank body;
and the time relay is connected with the liquid injection control valve and is used for controlling the opening degree of the liquid injection control valve.
Further, still include the fertilizer apparatus, the fertilizer apparatus includes:
the fertilizer injection device comprises a shell, a fertilizer injection mechanism and a fertilizer injection mechanism, wherein a fertilizer inlet pipe and a fertilizer outlet pipe are arranged on the shell, the fertilizer inlet pipe is connected with the tank body through a liquid injection pipe, the fertilizer outlet pipe is used for being connected with the injection mechanism, and the fertilizer outlet pipe is provided with a conical hole;
the adjusting rod is provided with a conical part with the same taper of the conical hole, the adjusting rod stretches into the fertilizer outlet pipe, the conical part and the inner wall of the conical hole form a water outlet channel, and the adjusting rod stretches into the fertilizer outlet pipe with adjustable depth.
Furthermore, it is a plurality of to go out the fertile pipe, still includes out fertile control valve, every go out and all be equipped with out fertile control valve on the fertile pipe.
Further, the fertilizer apparatus further comprises:
the baffle, the baffle is followed the axis direction slip of casing sets up in the casing, the regulation pole sets up on the baffle, the baffle has the filtration pore.
And the flow meter is arranged on the liquid injection pipe and used for detecting the flow of liquid in the liquid injection pipe.
The working principle and the beneficial effects of the utility model are as follows:
the discharging mechanism is used for a deep-application injection operation machine, stable-pressure accurate fertilization is realized, a circulating pump is used as a power source, liquid manure fertilizer in a tank body is injected into the injection mechanism through a liquid injection pipe, a liquid injection control valve is arranged on the liquid injection pipe, the liquid injection control valve can adopt a ball valve, a butterfly valve and the like, a time relay is arranged and connected with the liquid injection control valve, the time relay can control the opening degree of the liquid injection control valve by controlling the opening time of the liquid injection control valve, the injection flow is adjusted accordingly, accurate discharging of deep-application injection operation is realized, the opening degree of the liquid injection control valve is controlled by adopting the time relay, and the control is accurate and convenient.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic structural view of a vehicle for deep application of liquid dung;
FIG. 2 is a schematic view of the bottom structure of the tank body;
FIG. 3 is a schematic view of the fertilizer apparatus;
FIG. 4 is an enlarged view of a portion A of FIG. 3;
in the figure: 1. the device comprises a vehicle body, 2, a tank body, 201, a liquid filling opening, 202, a sampling opening, 3, an injection mechanism, 301, an injection rack, 302, an injection support, 303, a furrow opener, 304, an injection pipe, 305, a hydraulic cylinder, 4, a circulating pump, 5, a first liquid filling pipe, 6, a second liquid filling pipe, 7, a liquid inlet pipe, 8, a liquid filling pipe, 9, a liquid return pipe, 10, a first liquid filling control valve, 11, a second liquid filling control valve, 12, a liquid inlet control valve, 13, a circulating control valve, 14, a liquid injection control valve, 15, a suspension, 16, a time relay, 17, a fertilizer distributor, 171, a shell, 172, a fertilizer inlet pipe, 173, a fertilizer outlet pipe, 174, an adjusting rod, 175, a water outlet channel, 176, a fertilizer outlet control valve, 177, a partition plate, 178, a filter hole, 18 and a flowmeter.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any inventive step, are intended to be within the scope of the present invention.
As shown in figures 1 to 4 of the drawings,
embodiment one proposes
The utility model provides an accurate emission of steady voltage mechanism of operation car is executed deeply to liquid dung for the injection operation car is executed deeply, includes jar body 2, circulating pump 4 and annotates liquid pipe 8, annotates liquid pipe 8 and is used for connecting jar body 2 and injection mechanism 3, and circulating pump 4 is as the power supply of fertilization, its characterized in that still includes:
the liquid injection control valve 14 is arranged on the liquid injection pipe 8 and is used for controlling the conduction of the liquid injection pipe 8 and the tank body 2;
and the time relay 16 are connected with the liquid injection control valve 14 and used for controlling the opening degree of the liquid injection control valve 14.
Still include fertilizer apparatus 17, fertilizer apparatus 17 includes:
a shell 171, wherein the shell 171 is provided with a fertilizer inlet pipe 172 and a fertilizer outlet pipe 173, the fertilizer inlet pipe 172 is connected with the tank body 2 through a liquid injection pipe 8, the fertilizer outlet pipe 173 is used for being connected with the injection mechanism 3, and the fertilizer outlet pipe 173 is provided with a taper hole;
the adjusting rod 174 is provided with a conical part with the same taper as the conical hole, the adjusting rod 174 extends into the fertilizer discharging pipe 173, a water outlet passage 175 is formed between the conical part and the inner wall of the conical hole, and the depth of the adjusting rod 174 extending into the fertilizer discharging pipe 173 is adjustable.
The fertilizer outlet pipe 173 is provided with a plurality of fertilizer outlet control valves 176, and each fertilizer outlet pipe 173 is provided with a fertilizer outlet control valve 176.
The fertilizer apparatus 17 further includes:
the partition 177 is slidably disposed in the housing 171 along the axial direction of the housing 171, the adjustment rod 174 is disposed on the partition 177, and the partition 177 has a filter hole 178.
The liquid filling device also comprises a flow meter 18, wherein the flow meter 18 is arranged on the liquid filling pipe 8 and is used for detecting the flow of liquid in the liquid filling pipe 8.
Embodiment II provides
Including the accurate discharge mechanism's of above-mentioned steady voltage liquid dung deep fertilization operation car, including automobile body 1, locate jar body 2 and injection mechanism 3 on the automobile body 1, jar body 2 passes through pipe-line system with injection mechanism 3 and is connected, jar body 2 is used for holding liquid dung fertilizer, and pipe-line system includes: a first liquid adding pipe 5, a liquid inlet pipe 7, a liquid discharge pipe 8 and a circulating pipe 9,
the first liquid feeding pipe 5 is communicated with the liquid inlet end of the circulating pump 4, and a first liquid feeding control valve 10 is arranged on the first liquid feeding pipe 5;
the liquid inlet pipe 7 is communicated with the liquid outlet end of the circulating pump 4 and the tank body 2, and a liquid inlet control valve 12 is arranged on the liquid inlet pipe 7;
the liquid discharge pipe 8 is communicated with the liquid outlet end of the circulating pump 4 and the injection mechanism 3, and a liquid discharge control valve 14 is arranged on the liquid discharge pipe 8;
the circulating pipe 9 is communicated with the liquid inlet ends of the tank body 2 and the circulating pump 4, and a circulating control valve 13 is arranged on the circulating pipe 9;
the first liquid adding pipe 5, the circulating pump 4 and the tank body 2 form a liquid adding loop, the tank body 2, the circulating pipe 9, the circulating pump 4 and the liquid discharging pipe 8 form a liquid discharging loop, the tank body 2, the circulating pipe 9, the circulating pump 4 and the liquid feeding pipe 7 form a circulating loop, and switching of the loops is achieved through cooperation of the first liquid adding control valve 10, the liquid feeding control valve 12, the liquid discharging control valve 14 and the circulating control valve 13.
An injection type liquid dung applying mode is adopted, a tank body 2 and an injection mechanism 3 are arranged on a vehicle body 1, liquid in the tank body 2 is conveyed to the injection mechanism 3 in the advancing process of a vehicle, the liquid dung is applied to a farmland through the injection mechanism 3, and the liquid dung applying device is further provided with a circulating pump 4, a first liquid adding pipe 5, a liquid inlet pipe 7, a liquid discharging pipe 8 and a circulating pipe 9; a first liquid feeding control valve 10 is arranged on the first liquid feeding pipe 5 to control the conduction between the first liquid feeding pipe 5 and the circulating pump 4, a liquid inlet control valve 12 is arranged on the liquid inlet pipe 7 to control the conduction between the circulating pump 4 and the liquid inlet pipe 7, and a liquid discharge control valve 14 is arranged on the liquid discharge pipe 8 to control the conduction between the liquid discharge pipe 8 and the circulating pump 4; a circulation control valve 13 is provided in the circulation pipe 9 to control the communication between the circulation pipe 9 and the circulation pump 4. Wherein, the first liquid adding pipe 5, the circulating pump 4 and the liquid inlet pipe 7 are connected to form a liquid adding loop for filling liquid into the tank body 2; the circulating pipe 9, the circulating pump 4 and the liquid discharge pipe 8 form a liquid discharge loop, and liquid is pumped from the tank body 2 and is conveyed to the injection mechanism 3 for injection; the circulating pipe 9, the circulating pump 4 and the liquid inlet pipe 7 are connected to form a circulating loop for circulating the liquid in the tank body 2, and the liquid in the tank body 2 is circulated through the circulating loop to avoid precipitation. When liquid is added into the tank body 2, the first liquid adding control valve 10 and the liquid inlet control valve 12 are opened, the circulating control valve 13 and the liquid discharge control valve 14 are closed, the liquid adding loop is conducted, the circulating loop and the liquid discharge loop are closed, liquid can be added into the tank body 2 by opening the circulating pump 4 in a liquid manure pool communicated with a liquid adding pipe; during injection, the drainage control valve 14 and the circulation control valve 13 are opened, the first liquid adding control valve 10 and the liquid inlet control valve 12 are closed, the drainage loop is conducted, the liquid adding loop and the circulation loop are closed, and the circulation pump 4 is opened to realize the injection function; when the liquid in the tank body 2 is circulated, the circulation control valve 13 and the liquid inlet control valve 12 are opened, the first liquid adding control valve 10 and the liquid discharging control valve 14 are closed, the circulation loop is conducted, the liquid adding loop and the liquid discharging loop are closed, and the circulation pump 4 is opened to realize the circulation of the liquid in the tank body 2. The functions of liquid adding, circulation and injection can be realized only by controlling the opening and closing matching of a plurality of control valves, and the control and the use are more convenient.
Still include second liquid feeding pipe 6, second liquid feeding pipe 6 is connected with the feed liquor end of circulating pump 4, is equipped with second liquid feeding control valve 11 on the second liquid feeding pipe 6, and first liquid feeding pipe 5 and second liquid feeding pipe 6 are located the both sides of automobile body 1 respectively.
Be provided with first liquid feeding pipe 5 and second liquid feeding pipe 6 respectively in the both sides of automobile body 1, no matter the vehicle is berthhed in which direction, all can be with convenient realization liquid feeding, first liquid feeding pipe 5 and second liquid feeding pipe 6 all are connected to the feed liquor end of circulating pump 4, and be equipped with first liquid feeding control valve 10 on first liquid feeding pipe 5, be equipped with second liquid feeding control valve 11 on the second liquid feeding pipe 6, can use the liquid feeding pipe that corresponds to carry out the liquid feeding through the switching of controlling first liquid feeding control valve 10 and second liquid feeding control valve 11, choose for use according to the demand, and reasonable in design, high durability and convenient use.
The tank body 2 is also provided with a filling opening 201.
Still be provided with filling opening 201 in the top of jar body 2, provide three positions that can be used for the liquid feeding, can select to use first liquid feeding pipe 5, second liquid feeding pipe 6 or filling opening 201 to carry out the liquid feeding according to actual conditions, can use filling opening 201 to carry out the liquid feeding when two filling pipes can't use, the design is more reasonable.
And the suspension 15 is further included, and the tank body 2 is arranged on the vehicle body 1 through the suspension 15.
The tank body 2 is arranged on the vehicle body 1 through the suspension 15, the tank body 2 is supported through the suspension 15, shock absorption is provided, and adult damage caused by the fact that the weight of the tank body 2 is too large can be avoided.
The injection mechanism 3 comprises an injection rack 301, an injection bracket 302, a furrow opener 303 and an injection tube 304;
the injection frame 301 is arranged at the bottom of the vehicle body 1 and is connected to a front axle of the vehicle body 1;
the injection bracket 302 is rotatably arranged on the injection rack 301;
a plurality of furrow openers 303 are arranged on the injection bracket 302;
one end of the injection tube 304 is connected with the drainage tube 8, and the other end is arranged on the opener 303.
The injection mechanism 3 further comprises:
and a hydraulic cylinder 305, wherein the hydraulic cylinder 305 is rotatably arranged on the injection bracket 302, and a piston rod of the hydraulic cylinder 305 is rotatably connected with the injection frame 301.
The hydraulic cylinder 305 is used for driving the injection bracket 302 to rotate, so that the depth of the furrow opener 303 penetrating into the soil can be freely adjusted, the injection depth is stable, and the proper injection depth can be adjusted when different land conditions are met, and the injection depth can be stable.
The wheels of the vehicle body 1 are provided with encoders.
In the deep application injection, the running speed of the equipment is low, generally only the speed of 5-6 km/h, under the condition, the common mode of obtaining the running speed is not accurate enough, and further the fertilizing amount cannot be accurately controlled.
The tank 2 is provided with a sampling port 202.
Be equipped with sample connection 202 on jar body 2, sample connection 202 is located jar side of body 2 and is close to jar bottom of body 2, can sample the liquid in jar body 2 through sample connection 202, detects the condition of the interior liquid manure of jar body 2.
And a time relay 16, wherein the time relay 16 is connected with the drainage control valve 14 and is used for controlling the opening degree of the drainage control valve 14.
The discharging mechanism is used on a deep-application injection operation machine to realize stable-pressure accurate fertilization, a circulating pump 4 is used as a power source, liquid manure in a tank body 2 is guided into an injection mechanism 3 through a liquid discharge pipe 8 to be injected, a liquid discharge control valve 14 is arranged on the liquid discharge pipe 8, the liquid discharge control valve 14 can be a ball valve, a butterfly valve and the like, a time relay 16 is arranged to be connected with the liquid discharge control valve 14, the time relay 16 can control the opening degree, namely the opening degree, of the liquid discharge control valve 14 by controlling the opening time of the liquid discharge control valve 14, the injection flow is adjusted accordingly, accurate discharging of deep-application injection operation is realized, the time relay 16 is used for controlling the opening degree of the liquid discharge control valve 14, and control is accurate and convenient.
For example, if it takes five seconds for the drain control valve 14 to be fully opened, the drain control valve 14 may be controlled to be opened for one second by the time relay 16, i.e., to be opened by twenty percent.
As shown in fig. 3 to 4, the fertilizer apparatus 17 further includes a fertilizer apparatus 17, and the fertilizer apparatus 17 includes:
a shell 171, wherein the shell 171 is provided with a fertilizer inlet pipe 172 and a fertilizer outlet pipe 173, the fertilizer inlet pipe 172 is connected with the tank body 2 through a liquid discharge pipe 8, the fertilizer outlet pipe 173 is used for being connected with the injection mechanism 3, and the fertilizer outlet pipe 173 is provided with a tapered hole;
the adjusting rod 174 is provided with a conical part with the same taper as the conical hole, the adjusting rod 174 extends into the fertilizer discharging pipe 173, a water outlet passage 175 is formed between the conical part and the inner wall of the conical hole, and the depth of the adjusting rod 174 extending into the fertilizer discharging pipe 173 is adjustable.
The liquid in the tank body 2 enters the fertilizer distributor 17 through the drain pipe 8 and then enters the injection mechanism 3 for injection fertilization, the fertilizer inlet pipe 172 of the fertilizer distributor 17 is positioned above the shell 171 and is communicated with the drain pipe 8, the fertilizer outlet pipe 173 is positioned below the shell 171 and is connected with the injection mechanism 3, the fertilizer outlet pipe 173 of the fertilizer distributor 17 is provided with a tapered hole, the adjusting rod 174 is also provided with a tapered part with the same taper, when the adjusting rod 174 extends into the fertilizer outlet pipe 173, an annular gap is reserved between the side wall of the tapered part of the adjusting rod 174 and the inner wall of the tapered hole of the fertilizer outlet pipe 173 to form a water outlet channel 175, the fertilizer enters the shell 171 through the fertilizer inlet pipe 172 and then flows out of the fertilizer outlet pipe 173 through the water outlet channel 175, the depth of the adjusting rod 174 extending into the fertilizer outlet pipe 173 is adjusted, and the size of the annular gap can be adjusted to adjust the size of the water outlet channel 175. The fertilizer distributor 17 can play a role in regulating water pressure, after the injection flow is regulated by regulating the opening degree of the liquid discharge control valve 14, the water pressure behind the liquid discharge control valve 14 changes, if the opening degree of the liquid discharge control valve 14 is reduced, the water pressure behind the liquid discharge control valve 14 is reduced, at this time, the depth of the water outlet pipe can be extended into the water outlet pipe by regulating the regulating rod 174, so that the annular gap of the water outlet channel 175 is narrowed, the water pressure of the fertilizer passing through the annular gap is increased, and the stability of the injection pressure is ensured.
The fertilizer outlet pipe 173 is provided with a plurality of fertilizer outlet control valves 176, and each fertilizer outlet pipe 173 is provided with a fertilizer outlet control valve 176.
The fertilizer distributor 17 is provided with a plurality of fertilizer discharging pipes 173, each fertilizer discharging pipe 173 is provided with a fertilizer discharging control valve 176, the number of the fertilizer discharging pipes 173 can be more than that of the furrow openers 303, the fertilizer discharging pipes 173 with the number equal to that of the furrow openers 303 are connected with the corresponding number of the fertilizer discharging pipes 304, and the unused fertilizer discharging pipes 173 can be closed.
The fertilizer apparatus 17 further includes:
the partition 177 is slidably disposed in the housing 171 along the axial direction of the housing 171, the adjustment rod 174 is disposed on the partition 177, and the partition 177 has a filter hole 178.
Through sliding partition 177 in casing 171 along the axis direction to this adjustment pole 174 stretches into out fertile pipe 173's the degree of depth, and then adjusts the size of the annular gap of water outlet channel 175, and corresponding when setting up a plurality of fertile pipes 173, the regulation pole 174 that corresponds also is a plurality of, can adjust in step, and it is more convenient to adjust. Be equipped with on the baffle 177 and strain hole 178, can enough guarantee that beasts and birds breed waste water and pass through, also can filter liquid fertilizer, avoid fertilizer outlet pipe 173 to block up.
A flow meter 18 is also included, which flow meter 18 is arranged on the drain pipe 8 for detecting the flow of liquid in the drain pipe 8.
The liquid flow in the liquid discharge pipe 8 is detected through the flowmeter 18, the liquid flow can be transmitted to a display screen of a cab of the vehicle body 1 in a wireless or wired communication mode, and the injection flow and pressure are controlled by adjusting the liquid discharge control valve 14 and the adjusting rod 174 according to the flow, the vehicle speed, the land condition and the liquid manure condition, so that the rationality and the stability of fertilization are ensured.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides an accurate emission of steady voltage of operation car is executed deeply to liquid dung for the injection operation car is executed deeply, includes a jar body (2), circulating pump (4) and annotates liquid pipe (8), it is used for connecting to annotate liquid pipe (8) jar body (2) and injection mechanism (3), the power supply of fertilization is regarded as in circulating pump (4), its characterized in that still includes:
the liquid injection control valve (14) is arranged on the liquid injection pipe (8) and is used for controlling the liquid injection pipe (8) to be communicated with the tank body (2);
the time relay (16) is connected with the liquid injection control valve (14) and used for controlling the opening degree of the liquid injection control valve (14).
2. The pressure-stabilizing accurate discharge mechanism of a vehicle for deep application of liquid dung according to claim 1, further comprising a fertilizer apparatus (17), wherein the fertilizer apparatus (17) comprises:
the fertilizer injection device comprises a shell (171), wherein a fertilizer inlet pipe (172) and a fertilizer outlet pipe (173) are arranged on the shell (171), the fertilizer inlet pipe (172) is connected with the tank body (2) through a liquid injection pipe (8), the fertilizer outlet pipe (173) is used for being connected with an injection mechanism (3), and the fertilizer outlet pipe (173) is provided with a tapered hole;
the adjusting rod (174) is provided with a conical part with the same taper as the conical hole, the adjusting rod (174) extends into the fertilizer outlet pipe (173), a water outlet channel (175) is formed between the conical part and the inner wall of the conical hole, and the depth of the adjusting rod (174) extending into the fertilizer outlet pipe (173) is adjustable.
3. The pressure-stabilizing and accurate-discharging mechanism of a manure deep-application operation vehicle as claimed in claim 2, wherein the number of the manure discharging pipes (173) is multiple, and further comprising a manure discharging control valve (176), and each manure discharging pipe (173) is provided with a manure discharging control valve (176).
4. The pressure-stabilizing and accurate discharging mechanism of a vehicle for deep application of liquid dung according to claim 2, wherein the fertilizer apparatus (17) further comprises:
the partition plate (177) is arranged in the shell (171) in a sliding mode along the axial direction of the shell (171), the adjusting rod (174) is arranged on the partition plate (177), and the partition plate (177) is provided with filtering holes (178).
5. The pressure-stabilizing and accurate-discharging mechanism of the vehicle for deep-manuring of liquid manure according to claim 1, characterized by further comprising a flow meter (18), wherein the flow meter (18) is arranged on the liquid pouring pipe (8) and is used for detecting the flow rate of liquid in the liquid pouring pipe (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121852224.7U CN215379887U (en) | 2021-08-09 | 2021-08-09 | Pressure-stabilizing accurate discharge mechanism of fecal sewage deep-application operation vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121852224.7U CN215379887U (en) | 2021-08-09 | 2021-08-09 | Pressure-stabilizing accurate discharge mechanism of fecal sewage deep-application operation vehicle |
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| Publication Number | Publication Date |
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| CN215379887U true CN215379887U (en) | 2022-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121852224.7U Active CN215379887U (en) | 2021-08-09 | 2021-08-09 | Pressure-stabilizing accurate discharge mechanism of fecal sewage deep-application operation vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116519354A (en) * | 2023-06-28 | 2023-08-01 | 中国农业大学 | Performance test stand of intelligent liquid organic fertilizer returning machine |
-
2021
- 2021-08-09 CN CN202121852224.7U patent/CN215379887U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116519354A (en) * | 2023-06-28 | 2023-08-01 | 中国农业大学 | Performance test stand of intelligent liquid organic fertilizer returning machine |
| CN116519354B (en) * | 2023-06-28 | 2023-09-19 | 中国农业大学 | Performance test stand of intelligent liquid organic fertilizer returning machine |
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