Device for drying animal waste sample
By combining a rotary drum dryer with a waste gas treatment system, and utilizing activated carbon filters and molecular sieves for adsorption, as well as electric heating rods for decomposing harmful gases, the problem of ammonia emissions during the manure drying process is solved, achieving the dual benefits of efficient drying and environmentally friendly treatment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-31
- Publication Date
- 2026-03-24
AI Technical Summary
During the animal manure drying process, harmful gases such as ammonia are produced and emitted directly without effective treatment, causing environmental pollution, especially in large-scale farms or manure treatment centers where the pollution is severe.
Design a device that includes a drum dryer and a waste gas treatment mechanism. The device uses activated carbon filter sheets and molecular sieves to filter and adsorb harmful gases, electric heating rods to heat and decompose the waste gas, and a servo fan to discharge the treated gas.
It achieves efficient drying of fecal samples, while effectively treating harmful gases such as ammonia, reducing environmental pollution and achieving the goal of environmentally friendly treatment.
Smart Images
Figure CN224034326U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to excrement dryer technical field, concretely relates to a device for drying animal excrement sample. BACKGROUND
[0002] As an effective animal excrement disposal method, drying technology is gradually widely used. Through high temperature effect, the technology rapidly evaporates the moisture in excrement, realizes the reduction of excrement, reduces the land occupation, and reduces the activity of harmful microorganisms in excrement, so that the purpose of harmless treatment is achieved. After drying treatment, the excrement can be further processed into organic fertilizer, realizes the resource utilization, and improves the breeding economic benefit.
[0003] However, in the animal excrement drying process, due to the decomposition of organic matter in excrement caused by high temperature, a large amount of harmful gases such as ammonia gas is generated. If these waste gases are directly discharged into the atmosphere without effective treatment, serious secondary pollution will be caused to the environment, which is contrary to the original intention of environmental protection. Especially in some large breeding farms or excrement treatment centers, when the animal excrement is concentrated and dried, the waste gas emission is large, the concentration is high, and the potential threat to the surrounding environment is more prominent. According to the problems generated in the animal excrement drying treatment stage, the technical personnel in the field propose a device for drying animal excrement sample to solve the problems. CONTENT OF THE UTILITY MODEL
[0004] The utility model discloses a device for drying animal excrement sample technical scheme is provided to solve the insufficient place in the background art. In order to solve the defects and defects described in the background art, the technical scheme has the following contents:
[0005] It comprises a roller dryer, an end cap, a tank body fixed to the rear end port of the end cap, and activated carbon filter sheets and molecular sieves fixed to the front section and middle section of the inner cavity of the tank body, a plurality of electric heating rods are fixed on the inner cavity rear section side wall of the tank body, a servo fan is fixed in the rear end port of the tank body, and a valve is through in the bottom of the tank body.
[0006] The drying waste gas treatment mechanism comprises an end cap, a tank body fixed to the rear end port of the end cap, and activated carbon filter sheets and molecular sieves fixed to the front section and middle section of the inner cavity of the tank body, a plurality of electric heating rods are fixed on the inner cavity rear section side wall of the tank body, a servo fan is fixed in the rear end port of the tank body, and a valve is through in the bottom of the tank body.
[0007] As a preferred scheme of the utility model: the front end of the end cap and the rear end of the cylinder are fixedly connected through the flange, the inside of the end cap is provided with a round hole for the front end of the tank body to insert, and the inside of the round hole is provided with a bearing.
[0008] As a preferred scheme of the utility model: the front end outer ring side wall of jar body and the inner ring inner side wall of bearing are fixedly connected, metal screen is fixedly connected in the front end port of jar body, and is used for preventing excrement material in the inside of cylinder from entering the inside of jar body.
[0009] As a preferred scheme of the utility model: the outer ring surface of active carbon filter piece and the inner cavity front section side wall of jar body are fixedly connected, and the outer ring surface of molecular sieve and the inner cavity middle section side wall of jar body are fixedly connected.
[0010] As a preferred scheme of the utility model: the shell side wall of servo fan and the rear end port inner side wall of jar body are fixedly connected, and the servo fan extracts the gas in the inside of jar body to the outside.
[0011] As a preferred scheme of the utility model: the electric heating rod is all with the axis of jar body as reference line and is arranged in annular array, the outer ring surface of jar body is fixed with circular ring, the bottom end face of circular ring is fixedly connected with vertical rod, and the bottom end face of vertical rod is fixed on the ground through screw.
[0012] As a preferred scheme of the utility model: the bottom rear section end face of jar body is penetrated with a drain pipe, and the water inlet port of valve is connected with the bottom end head of drain pipe.
[0013] As a preferred scheme of the utility model: the side wall of cylinder is provided with feed inlet and discharge outlet with hatch, and the inner cavity side wall of cylinder is fixed with several stirring paddles.
[0014] As a preferred scheme of the utility model: the outside of base is installed with safety fence.
[0015] In the above technical scheme, the utility model provides technical effect and advantage:
[0016] The scheme is to solve the problem of harmful gas such as ammonia generated in the drying process of animal excrement, realize the double goal of efficient drying of excrement sample and environmental protection treatment of waste gas, on the one hand, the device realizes effective drying of excrement sample through the drum dryer, on the other hand, the drying waste gas treatment mechanism is designed for harmful gas such as ammonia generated in the drying stage of excrement, active carbon filter piece and molecular sieve are used to filter and adsorb waste gas, effectively capture particulate matter and harmful gas in waste gas, especially ammonia, and then the waste gas is heated by electric heating rod, part of harmful gas is decomposed and converted into harmless substance, and the pollution of waste gas to the environment is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description only represent some embodiments described in the present application, and for those skilled in the art, other drawings can also be obtained from these drawings.
[0018] Figure 1 It is a schematic diagram of the overall structure of the animal manure drying machine device.
[0019] Figure 2 It is a schematic diagram of the drying machine body.
[0020] Figure 3 It is a schematic diagram of the drying waste gas treatment mechanism.
[0021] Explanation of reference signs:
[0022] 1, drum dryer; 11, base; 12, fan heater; 13, motor; 14, safety fence; 15, cylinder; 16, gear ring; 2, drying waste gas treatment mechanism; 21, end cover; 22, molecular sieve; 23, valve; 24, servo fan; 25, electric heating rod; 26, tank; 27, activated carbon filter sheet; 28, metal screen; 29, bearing. DETAILED DESCRIPTION
[0023] In order to make the technical solutions and implementation modes of the present application more clearly explained and described, the following introduces several preferred specific embodiments for realizing the technical solutions of the present application.
[0024] The following description is merely exemplary in nature and is not intended to limit the disclosure, application and uses. It should be understood that in all the drawings, the same or similar reference signs indicate the same or similar parts and features. Each drawing only schematically represents the concept and principle of the embodiments of the present application, and does not necessarily show the specific dimensions and their proportions of each embodiment of the present application. In a particular part of the specific drawing, the relevant details or structures of the embodiments of the present application may be exaggerated to illustrate. The disclosures of the various publications, patents and published patent specifications cited herein are hereby incorporated by reference in their entirety, and the technical solutions of the present application will be described clearly and completely in conjunction with the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application.
[0025] Embodiment one: the device is composed of a roller dryer 1 and a drying waste gas treatment mechanism 2. The base 11 of the roller dryer 1 stably supports the whole device, and four electric motors 13 are fixed at the upper surface of the base 11 at four corners. The electric motors 13 are connected with two gear rings 16 on the outer ring of the cylinder 15 through shaft couplings, and drive the cylinder 15 to rotate. A warm air blower 12 is installed at the front end of the cylinder 15, which is used to deliver hot air into the cylinder to realize the drying of the feces sample. The waste gas generated during the drying process is discharged from the rear end of the cylinder 15 and enters the drying waste gas treatment mechanism 2.
[0026] The end cover 21 of the drying waste gas treatment mechanism 2 is tightly connected with the rear end port of the cylinder 15 through a flange, and a bearing 29 is arranged in the inside of the end cover 21. The front end of the tank body 26 is inserted into the bearing 29, so as to ensure that the tank body 26 is stable and can rotate relative to the end cover 21 (in actual use, it can be fixed). A metal screen 28 is fixed in the front end port of the tank body 26, which effectively prevents the feces material from entering the inside of the tank body 26. An activated carbon filter sheet 27 and a molecular sieve 22 are respectively fixed in the front section and the middle section of the inner cavity of the tank body 26, which are used to adsorb and decompose harmful gases such as ammonia in the waste gas. A plurality of electric heating rods 25 are fixed on the rear section side wall of the inner cavity of the tank body 26, which are arranged in a ring array, and are used to heat and treat the waste gas, so as to further promote the decomposition of harmful gases. A servo fan 24 is fixed in the rear end port of the tank body 26, which extracts the treated gas in the inside of the tank body 26 and discharges it to the outside. A valve 23 is through the bottom of the tank body 26, and a drain pipe is also through the end face of the rear section of the bottom, and the water inlet port of the valve 23 is connected with the bottom end of the drain pipe, so as to facilitate the discharge of the liquid generated after the thermal decomposition of ammonia. The side wall of the cylinder 15 is provided with a material inlet and a material outlet with hatches, which are convenient for loading and unloading the feces sample. A plurality of stirring paddles are fixed on the side wall of the inner cavity of the cylinder 15, which are helpful to the uniform drying of the feces sample. A safety fence 14 is installed around the outside of the base 11, which ensures the safety of the operator.
[0027] Embodiment two: on the basis of embodiment one, the drying waste gas treatment mechanism 2 is optimized. A circular ring is fixed on the outer ring surface of the tank body 26, and a vertical rod is fixedly connected with the bottom end face of the circular ring. The bottom end face of the vertical rod is fixed to the ground through a screw, which enhances the stability of the tank body 26. At the same time, the thickness of the activated carbon filter sheet 27 and the molecular sieve 22 is increased, which improves the adsorption and decomposition capacity of harmful gases such as ammonia. The power of the electric heating rod 25 is adjusted, and different power electric heating rods 25 can be selected according to the size of the waste gas treatment amount, so as to meet different treatment requirements. The rotating speed of the servo fan 24 can also be adjusted according to the actual situation, so that the waste gas can be fully treated and smoothly discharged.
[0028] The third embodiment further improves the structure of the drum dryer 1. Multiple sets of stirring paddles are added inside the cylinder 15, and the shape and arrangement of the stirring paddles are optimized, so that the fecal sample can be heated and stirred more uniformly during the drying process, improving the drying efficiency and quality. At the same time, the air volume and temperature of the warm air blower 12 can be adjusted according to the type and water content of the fecal sample to achieve the best drying effect. In terms of the drying exhaust treatment mechanism 2, new activated carbon filter sheets 27 and molecular sieve 22 materials are used, which have higher adsorption and decomposition efficiency, and can more effectively treat harmful gases such as ammonia in the exhaust gas. In addition, the material of the tank body 26 is improved, using a material with better corrosion resistance to prolong the service life of the device.
[0029] According to the above-mentioned preferred technical solution, the working process of the technical solution is described:
[0030] Start 4 electric motors 13, the electric motors 13 drive the gears through the shaft coupling, the gears engage with the gear ring 16, drive the cylinder 15 to start rotating. At the same time, start the warm air blower 12, the warm air blower 12 sends hot air into the cylinder 15, the hot air fully contacts with the fecal sample in the cylinder 15, evaporates the water in the fecal sample, achieves the drying purpose. The stirring paddles in the cylinder 15 rotate with the cylinder 15, stir the fecal sample, so that the fecal sample can be heated uniformly, improve the drying efficiency and quality.
[0031] During the drying process, the water in the fecal sample evaporates to form water vapor, and the decomposition of organic matter in the feces produces harmful gases such as ammonia, which are discharged from the rear end port of the cylinder 15 along with the airflow in the cylinder 15, into the end cover 21 of the drying exhaust treatment mechanism 2. The exhaust gas first enters the tank body 26, and when it passes through the activated carbon filter sheet 27, the activated carbon filter sheet 27 uses its porous structure to adsorb particulate matter and some harmful gases in the exhaust gas, preliminarily purifying the exhaust gas. Then, the exhaust gas continues to flow forward and passes through the molecular sieve 22, which has selective adsorption function, can further adsorb harmful gases such as ammonia in the exhaust gas, improve the purification effect of the exhaust gas. After the filtered and adsorbed exhaust gas enters the rear section of the inner cavity of the tank body 26, the electric heating rod 25 starts to work and heats the exhaust gas. Some harmful gases in the heated exhaust gas will decompose at high temperature to form harmless substances, further reducing the harmfulness of the exhaust gas. The servo fan 24 is started to extract the treated gas inside the tank body 26, and discharges it to the outside atmosphere through the rear end port of the tank body 26. During the exhaust gas treatment process, liquid is produced by the thermal decomposition of ammonia in the tank body 26, which is discharged through the drain pipe on the rear end surface of the tank body 26 bottom, and the drainage process can be controlled through the valve 23.
[0032] When the drying of the fecal sample is completed, the warm air blower 12 is first turned off to stop the delivery of hot air into the cylinder 15. Then, the four electric motors 13 are turned off to stop the rotation of the cylinder 15. After the cylinder 15 stops rotating and the temperature decreases, the discharge port hatch on the side wall of the cylinder 15 is opened, and the dried animal fecal sample is taken out from the cylinder 15.
[0033] The above merely describes certain exemplary embodiments of the present application by way of illustration, and it is needless to say that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present application. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the present application.
Claims
1. An apparatus for drying animal fecal samples, comprising a rotary drum dryer (1), characterized in that: The rotary drum dryer (1) is equipped with a drying exhaust gas treatment mechanism (2) on its rear end face. The drum dryer (1) includes a base (11), four motors (13) fixed at the four corners of the upper surface of the base (11), and a drum (15) mounted on the base (11). The output shafts of the motors (13) are connected to gears via couplings, and two gear rings (16) that mesh with the gears are fixed on the outer ring of the drum (15). A heater (12) is installed on the front end face of the drum (15). The drying exhaust gas treatment mechanism (2) includes an end cap (21), a tank (26) fixed to the rear end port of the end cap (21), and activated carbon filter (27) and molecular sieve (22) fixed in the front and middle sections of the inner cavity of the tank (26). Several electric heating rods (25) are fixed on the side wall of the rear section of the inner cavity of the tank (26). A servo fan (24) is fixed in the rear end port of the tank (26), and a valve (23) is passed through the bottom of the tank (26).
2. The apparatus for drying animal fecal samples according to claim 1, characterized in that: The front end of the end cap (21) is fixedly connected to the rear end of the cylinder (15) by a flange. The end cap (21) has a round hole for the front end of the tank (26) to be inserted, and a bearing (29) is installed inside the round hole.
3. The apparatus for drying animal fecal samples according to claim 1, characterized in that: The outer ring sidewall of the front end of the tank (26) is fixedly connected to the inner ring sidewall of the bearing (29). A metal screen (28) is fixedly connected in the front end port of the tank (26) to prevent fecal material inside the cylinder (15) from entering the tank (26).
4. The apparatus for drying animal fecal samples according to claim 1, characterized in that: The outer surface of the activated carbon filter (27) is fixedly connected to the front side wall of the inner cavity of the tank (26), and the outer surface of the molecular sieve (22) is fixedly connected to the middle side wall of the inner cavity of the tank (26).
5. The apparatus for drying animal fecal samples according to claim 1, characterized in that: The outer shell sidewall of the servo fan (24) is fixedly connected to the inner sidewall of the rear port of the tank (26), and the servo fan (24) draws the gas inside the tank (26) to the outside.
6. The apparatus for drying animal fecal samples according to claim 1, characterized in that: The electric heating rods (25) are arranged in a ring array with the axis of the tank (26) as the reference line. A ring is fixed on the outer surface of the tank (26), and a vertical rod is fixedly connected to the bottom end face of the ring. The bottom end face of the vertical rod is fixed to the ground by screws.
7. The apparatus for drying animal fecal samples according to claim 1, characterized in that: A drain pipe runs through the bottom rear end face of the tank (26), and the water inlet of the valve (23) is connected to the bottom end of the drain pipe.
8. The apparatus for drying animal fecal samples according to claim 1, characterized in that: The side wall of the cylinder (15) is provided with a feed inlet and a discharge outlet with a hatch, and several stirring paddles are fixed on the inner side wall of the cylinder (15).
9. The apparatus for drying animal fecal samples according to claim 1, characterized in that: A safety fence (14) is installed around the outside of the base (11).