Biogas slurry fertilizer preparation device

Abstract

The utility model discloses a biogas slurry fertilizer preparation device, which relates to the field of agricultural fertilizer mixing devices and comprises a pneumatic control device, a fertilizer apparatus, a hydraulic lifting device, a water bath heating device and an ultrasonic stirring device which are electrically connected with an automatic control cabinet. Chemical fertilizer is stored in the storage chamber; air pressure is generated in the conveying channel through an external fan, and accurate metering is achieved by adjusting the air pressure. The fertilizer discharger adopts a grooved wheel structure, the fertilizer discharging amount is controlled through the rotating speed, and the groove design is optimized to reduce blockage; the biogas slurry and the chemical fertilizer are mixed in the stirring chamber, and the ultrasonic stirring device and the water bath heating device act synergistically to accelerate dissolution and improve mixing uniformity; and the hydraulic lifting device can adaptively adjust the height of the equipment. In addition, the device integrally regulates and controls air pressure, temperature and stirring parameters through an automatic control cabinet and controls switching of a switch, and branch conveying of biogas slurry and water is achieved. According to the biogas slurry fertilizer preparation device, continuous feeding and discharging can be carried out, assembly line biogas slurry fertilizer production is realized, and the fertilizer preparation efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to agricultural fertilizer mixing equipment technical field especially, relates to a biogas slurry fertilizer preparation device. BACKGROUND

[0002] In the field of agricultural production and environmental protection, as the residue of anaerobic fermentation, the treatment and resource utilization of biogas slurry has been an important issue of concern. Biogas slurry has a high organic matter content, but the C / N ratio is seriously out of balance, and the biodegradability is poor. If it is not properly handled in time, it is easy to cause serious pollution to the environment. Although biogas slurry is rich in nitrogen, phosphorus and amino acids and other substances beneficial to plant growth, it is a natural organic fertilizer, but its nutrient element content often cannot completely meet the growth needs of crops, especially for some special crops with high nutrient requirements, or in the case of lack of specific elements in the soil, single application of biogas slurry cannot achieve the ideal fertilization effect. Therefore, in order to improve the growth quality and yield of crops, it is usually necessary to mix biogas slurry with other element fertilizers in a scientific proportion to prepare efficient biogas slurry fertilizer. SUMMARY

[0003] The utility model aims at providing a biogas slurry fertilizer preparation device, solving the problem of unbalanced nutrition of conventional biogas slurry direct use, how to mix biogas slurry with other element fertilizers in a scientific proportion.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme:

[0005] The utility model provides a biogas slurry fertilizer preparation device, including chemical fertilizer feed tank, mixing tank, heating mechanism, stirring mechanism.

[0006] The chemical fertilizer feed tank is a tank body, a plurality of fertilizer distributors are arranged in it, the mixing tank is a tank body connected with the bottom of the chemical fertilizer feed tank, a feed pipe is arranged on the side wall thereof, and a discharge pipe is arranged on the bottom thereof, the heating mechanism is arranged in the interior or exterior of the mixing tank, and the stirring mechanism is arranged on the bottom of the mixing tank.

[0007] Further in the embodiment, the feed inlet of the fertilizer distributor is connected with a storage chamber through a guide pipe, a feed inlet is arranged on the top of the storage chamber, and a gas pressure control device is arranged on the guide pipe, wherein the gas pressure control device is used for pneumatic conveying.

[0008] Still further in the embodiment, the gas pressure control device comprises a fan arranged on the guide pipe, an adjusting valve arranged between the fan and the guide pipe, and a wind speed sensor arranged at the air outlet of the fan, which is used for detecting the wind force by using the controller of the automatic control cabinet.

[0009] Further in the embodiment, the gear wheel of the fertilizer distributor is driven to rotate by a driving motor, and the driving motor is a servo motor.

[0010] Further in the embodiment, the fertilizer feeding tank and the mixing tank are adjusted in position height by a hydraulic lifting device, wherein the hydraulic lifting device comprises a hydraulic cylinder for adjusting the lifting of the fertilizer feeding tank and the mixing tank, and a hydraulic pump and a motor for providing hydraulic power for the hydraulic cylinder.

[0011] Further in the embodiment, the heating mechanism comprises a heating coil pipe for heating the material in the mixing tank, wherein a-type temperature sensors and b-type temperature sensors for detecting different positions are arranged in the heating coil pipe, and the heating coil pipe is connected with a hot water source through a circulating pump and a circulating water pipe to heat the material in the mixing tank by water bath heating.

[0012] Further in the embodiment, the stirring mechanism is an ultrasonic stirring device, and the ultrasonic stirring device comprises an ultrasonic generator and a transducer arranged at the bottom of the mixing tank.

[0013] Further in the embodiment, an inlet control switch is arranged on the feeding pipeline, the inlet control switch comprises two control switches I and II which are used as backup for each other, and an outlet control switch is arranged on the discharging pipeline, the outlet control switch comprises two control switches III and IV which are used as backup for each other.

[0014] Further in the embodiment, an automatic control cabinet is further arranged, and the control switches I, II, III and IV, the fan, the driving motor, the hydraulic cylinder, the heating mechanism and the ultrasonic generator are controlled and adjusted by the automatic control cabinet.

[0015] Further in the embodiment, a blending fan blade for guiding material is arranged at the joint of the fertilizer feeding tank and the mixing tank, and the main purpose of the blending fan blade is to provide a blending platform for two or more fertilizer particles during the operation of the equipment, so that the fertilizer particles are fully mixed through the interaction between the particles and the fan blade and between the particles, and the uniform distribution of the fertilizer components is ensured to meet the use requirements, wherein the blending fan blade is composed of a plurality of blades which are fixedly installed above the fertilizer particle discharging port to form a structural carrier for promoting the collision and mixing of the particles.

[0016] Compared with the prior art, the fertilizer mixing device has the following beneficial technical effects:

[0017] The utility model discloses a design through air pressure control device and fertilizer discharger, realize the accurate measurement and mixing of chemical fertilizer and biogas liquid, ensure the continuity and stability of chemical fertilizer delivery, the application of ultrasonic stirring device and heating mechanism has improved the dissolution and mixing efficiency of solid chemical fertilizer, ensures that solution is uniform and stable and nutrient composition does not lose, the control switch intelligent regulation and control of feeding and discharging place, need delivery, the introduction of automatic control cabinet makes the process realize intelligent operation of making fertilizer, and user can set parameter through touch -sensitive screen, and equipment has data storage and remote monitoring function, and improved operation convenience and maintainability, and hydraulic lifting device makes equipment adapt to different topography, and self -locking function ensures stability, in addition, overload protection and real -time monitoring function further improve the safety and reliability of equipment, the utility model discloses through accurate fertilizer making, high -efficient stirring, automation control etc. Innovative design, the efficiency and quality of biogas liquid fertilizer making have been improved significantly, have wide application prospect. BRIEF DESCRIPTION OF DRAWINGS

[0018] The utility model will be further explained in connection with the drawings.

[0019] Figure 1 It is main view structural schematic drawing of biogas liquid fertilizer making device of the utility model;

[0020] Figure 2 It is side view structural schematic drawing of biogas liquid fertilizer making device of the utility model;

[0021] Figure 3 It is air pressure control device-fertilizer discharger integrated structure schematic drawing of the utility model;

[0022] Figure 4 It is structural schematic drawing of heating coil of the utility model;

[0023] Figure 5 It is overhead structure schematic drawing of biogas liquid fertilizer making device of the utility model.

[0024] Figure legend explains: 1, inlet; 2, storage chamber; 3, air pressure control device; 3-1, fan; 3-2, air velocity sensor; 3-3, regulating valve; 4, fertilizer discharger; 4-1, groove wheel; 4-2, drive motor; 5, hydraulic lifting device; 5-1, hydraulic cylinder; 5-2, motor; 5-3, hydraulic pump; 6, heating mechanism; 6-1, heating coil; 6-2, a type temperature sensor; 6-3, b type temperature sensor; 7, ultrasonic stirring device; 7-1, ultrasonic generator; 7-2, transducer; 8, automatic control cabinet; 9, mixing fan blade; 10, feeding pipeline; 11, inlet control switch; 11-1, control switch I; 11-2, control switch II; 12, discharging pipeline; 13, outlet control switch; 13-1, control switch III; 13-2, control switch IV. DETAILED DESCRIPTION

[0025] As Figures 1-5 shown, the present embodiment discloses a biogas slurry fertilizer device, including air pressure control device 3, fertilizer dispenser 4, hydraulic lifting device 5, heating mechanism 6 and ultrasonic stirring device 7, each device is electrically connected with automatic control cabinet 8.

[0026] Fertilizer is stored in storage room 2; the air pressure generated by the external fan 3-1 in the conveying channel is precisely measured by adjusting the air pressure; the fertilizer dispenser 4 adopts the structure of the groove wheel 4-1, the fertilizer discharge amount is controlled by the rotating speed, and the groove design is optimized to reduce the blockage; biogas slurry and fertilizer are mixed in the mixing chamber, ultrasonic stirring device 7 and heating mechanism 6 work together to accelerate dissolution and improve mixing uniformity; the hydraulic lifting device 5 can adaptively adjust the height of the equipment. In addition, the device integrates the regulation of air pressure, temperature, stirring parameters and control switch switching through the automatic control cabinet 8 to realize the shunt conveying of biogas slurry and water; the automatic control cabinet 8 includes a cabinet body, control components are arranged in the cabinet body, a display screen and a control panel are arranged on the cabinet body, and the specific structure and electrical connection mode are prior art, which will not be described here.

[0027] Specifically, as Figure 3 shown, the air pressure control device structure 3 includes a fan 3-1, a wind speed sensor 3-2 and a regulating valve 3-3, the fan 3-1 and the regulating valve 3-3 are connected in communication, the wind speed sensor 3-2 monitors the air flow speed generated by the fan 3-1 in real time and feeds back to the automatic control cabinet 8, the automatic control cabinet 8 controls the regulating valve 3-3 to adjust the air flow size and speed according to the preset metering parameters, ensures that the pressure of the conveying channel is kept within the set range, thereby realizing the precise conveying of fertilizer, the automatic control cabinet 8 also has an overload protection function, which can automatically stop in abnormal conditions to avoid equipment damage; the air pressure control device 3 is electrically connected with the automatic control cabinet 8.

[0028] The fertilizer dispenser 4 includes a groove wheel 4-1 and a drive motor 4-2, the groove wheel 4-1 is provided with a plurality of grooves, the drive motor 4-2 is connected with the groove wheel 4-1, the rotating speed of the groove wheel 4-1 is adjusted by the automatic control cabinet 8 to realize the control of different fertilizer discharge amounts, the groove design of the groove wheel 4-1 is optimized by fluid mechanics, which can effectively reduce the blockage and wear of fertilizer in the conveying process, and ensure the continuity and stability of fertilizer discharge; the fertilizer dispenser 4 is electrically connected with the automatic control cabinet 8.

[0029] The hydraulic lifting device 5 is composed of a hydraulic cylinder 5-1, a motor 5-2 and a hydraulic pump 5-3, the hydraulic cylinder 5-1 is connected with the device main body, the motor 5-2 provides power for the hydraulic pump 5-3, the hydraulic lifting device 5 has a self-locking function, which can keep stable at any height position, ensuring the adaptability of the equipment under different terrain and working conditions; the motor 5-2 is electrically connected with the automatic control cabinet 8.

[0030] The heating mechanism structure 6 comprises a heating coil 6-1, an a-type temperature sensor 6-2 and a b-type temperature sensor 6-3, the heating coil 6-1 is arranged around the stirring chamber, the a-type temperature sensor 6-2 and the b-type temperature sensor 6-3 are used for monitoring the water bath temperature and the stirring chamber temperature respectively, and data is transmitted to the automatic control cabinet 8, so that the heating temperature is ensured to be in a set range, and the dissolution of the solidified fertilizer is accelerated; the heating mechanism 6 is electrically connected with the automatic control cabinet 8.

[0031] The ultrasonic stirring device 7 comprises an ultrasonic generator 7-1 and a transducer 7-2, the automatic control cabinet 8 controls the high-frequency vibration of the transducer 7-2 by adjusting the working frequency and power of the ultrasonic generator 7-1, the transducer 7-2 transmits the vibration to the liquid in the stirring chamber, the rapid dissolution and mixing of the solidified fertilizer are promoted, the working parameters of the ultrasonic generator can be automatically or manually adjusted according to the type, concentration and stirring effect of the fertilizer, so that the best stirring effect can be achieved under different working conditions, the automatic control cabinet 8 also has a real-time monitoring function, the working state of the ultrasonic stirring device 7 can be displayed, and an alarm can be sent when an abnormality occurs, so that the stable operation of the equipment is ensured; the ultrasonic generator 7-1 is electrically connected with the automatic control cabinet 8.

[0032] The mixing fan blade 9 comprises a rotating shaft installed at the bottom of the storage chamber 2 and a plurality of blades installed on the rotating shaft; and specifically, the mixing fan blade 9 is arranged above the fertilizer particle discharge port to form a structure carrier for promoting the collision and mixing of the particles.

[0033] The feeding pipe 10 is connected with the stirring chamber and the water bath heating area respectively, and the inlet control switch I1 is installed at the inlet of the feeding pipe 10, when the biogas slurry is conveyed, the stirring chamber inlet control switch I11-1 is opened, and the water bath heating area inlet control switch II 11-2 is closed, and vice versa when water is conveyed; the discharging pipe 12 is also connected with the stirring chamber and the water bath heating area respectively, and the outlet control switch I3 is arranged at the outlet of the discharging pipe 12, when the biogas slurry fertilizer is conveyed, the stirring chamber outlet control switch III 13-1 is opened, and the water bath heating area outlet control switch IV 13-2 is closed, and vice versa when water is discharged, and the discharging pipe can be cleaned by discharging water after the biogas slurry fertilizer is conveyed, so that the pipe is clean and free of residues; the inlet control switch I1 and the outlet control switch I3 are electrically connected with the automatic control cabinet 8.

[0034] The working process of the utility model is as follows:

[0035] The chemical fertilizer is conveyed to the storage chamber through the inlet for storage, when working, the fan outside the channel generates air pressure, and precise metering is realized by adjusting the size and speed of the air flow; the air pressure difference drives the chemical fertilizer into the groove wheel position of the fertilizer discharger, and the rotation speed of the groove wheel controls the fertilizer discharge amount, realizing variable ratio fertilizer mixing. At the same time, the control switch of the stirring chamber inlet is opened, the biogas slurry is conveyed into the stirring chamber through the feeding pipeline, and is mixed with the chemical fertilizer. Then, the ultrasonic stirring device is started, the mixing and stirring of the solid chemical fertilizer and the biogas slurry are promoted through high-frequency vibration, and the heating mechanism is started to accelerate the dissolution of the solid chemical fertilizer. The hydraulic lifting device can adjust the height of the machine according to the needs, ensuring the adaptability of the equipment under different terrains and working conditions. During the whole process, the automatic control cabinet monitors and adjusts the working state of each component in real time, including the heating mechanism, the hydraulic lifting device, the air pressure control device, the fertilizer discharger and the ultrasonic stirring device, ensuring the precision and stability of the fertilizer mixing process, and the fertilizer mixing parameters can be set through the touch screen to realize automatic operation. The automatic control cabinet also has data storage and monitoring functions, records operation data and diagnoses faults, ensuring efficient and stable operation of the equipment.

[0036] The above embodiments only describe the preferred modes of the present application, and do not limit the scope of the present application. Without departing from the design spirit of the present application, various modifications and improvements of the technical solutions of the present application made by those skilled in the art shall fall within the protection scope determined by the claims of the present application.

Claims

1. A biogas slurry fertilizer mixing device, characterized in that, include: A fertilizer feeding tank, comprising a tank body, contains multiple fertilizer dischargers. The inlets of the fertilizer dischargers are connected to a storage chamber via guide pipes. An inlet is located at the top of the storage chamber. A pneumatic pressure control device is installed on the guide pipes. The pneumatic pressure control device includes a fan mounted on the guide pipes, a regulating valve between the fan and the guide pipes, and a wind speed sensor at the fan outlet. The grooved wheel of the fertilizer discharger is driven to rotate by a drive motor. A mixing tank is a tank body connected to the bottom of the fertilizer feed tank, with a feed pipe on its side wall and a discharge pipe at its bottom; the fertilizer feed tank and the mixing tank are adjusted in height by a hydraulic lifting device; wherein the hydraulic lifting device includes a hydraulic cylinder for adjusting the lifting of the fertilizer feed tank and the mixing tank, and a hydraulic pump and a motor for providing hydraulic power to the hydraulic cylinder; A heating mechanism, which is located inside or outside the mixing tank; A stirring mechanism is located at the bottom of the mixing tank.

2. The biogas slurry fertilizer mixing device according to claim 1, characterized in that: The drive motor is a servo motor.

3. The biogas slurry fertilizer mixing device according to claim 1, characterized in that: The heating mechanism includes a heating coil for heating the material in the mixing tank; a temperature sensor for detecting different positions is also installed in the heating coil; the heating coil is connected to a hot water source through a circulating pump and a circulating water pipe to heat the material in the mixing tank by water bath heating.

4. The biogas slurry fertilizer mixing device according to claim 3, characterized in that: The stirring mechanism is an ultrasonic stirring device; the ultrasonic stirring device includes an ultrasonic generator and a transducer disposed at the bottom of the mixing tank.

5. The biogas slurry fertilizer mixing device according to claim 4, characterized in that: An inlet control switch is provided on the feed pipe; the inlet control switch includes two backup control switches I and II; an outlet control switch is provided on the discharge pipe; the outlet control switch includes two backup control switches III and IV.

6. The biogas slurry fertilizer mixing device according to claim 5, characterized in that: It also includes an automated control cabinet, through which control switches I, II, III, and IV, the fan, drive motor, hydraulic cylinder, heating mechanism, and ultrasonic generator are all controlled and adjusted.

7. The biogas slurry fertilizer mixing device according to claim 1, characterized in that: A mixing fan blade for guiding materials is provided at the junction of the fertilizer feed tank and the mixing tank.

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