Drying device for preparing organic fertilizer from cow dung
By combining the spiral drum with the inner drum, the problems of large space occupation and low heating efficiency of traditional drum dryers are solved, achieving more efficient drying of cow manure organic fertilizer, reducing equipment space occupation and improving heating efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 河南沃特威生物科技有限公司
- Filing Date
- 2025-03-24
- Publication Date
- 2026-04-10
AI Technical Summary
Traditional rotary drum dryers occupy a large space and have limited heating efficiency in the process of preparing organic fertilizer from cow manure.
The drying cylinder is composed of a spiral drum and an inner drum, which are connected to each other. A heating module is installed on the outside and a spiral plate is installed on the inside of the inner drum. The material is moved by the spiral direction opposite, and an insulation shell is installed on the outside to reduce heat loss.
The addition of a drying path within the same equipment length reduces the space occupied, while improving heating efficiency and material movement efficiency, and reducing heat loss.
Smart Images

Figure CN224108558U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to drying device technical field, concretely is a kind of drying device for organic fertilizer prepared by cow dung. BACKGROUND
[0002] Organic fertilizer is a kind of fertilizer rich in organic matter and nutrient substance required for crop growth, not only can provide the nutrient required for crop growth, improve soil, but also can improve crop quality, improve crop yield, promote high yield and stable yield of crops, maintain soil fertility. When preparing organic fertilizer by cow dung, it usually includes fermentation, crushing, granulation, drying and other processes.
[0003] When drying organic waste after granulation, currently, drum dryer is usually used to dry it, and the traditional drum dryer is mainly composed of a drum, and the two sides of the drum are open for feeding and discharging, which is heated by hot air, gas and other ways. Its drum is longer, and occupies larger space.
[0004] Therefore, it is necessary to provide a drying device for organic fertilizer prepared by cow dung to solve the above problems. CONTENT OF THE UTILITY MODEL
[0005] (1) technical problem solved
[0006] The utility model aims at providing a drying device for organic fertilizer prepared by cow dung to solve the problems raised in the above background.
[0007] (2) technical scheme
[0008] To achieve the above purpose, the utility model is implemented by the following technical scheme: a drying device for organic fertilizer prepared by cow dung, comprising a support, a drying drum is horizontally rotatably connected to the support, the drying drum comprises an inner cylinder, a spiral cylinder is sleeved outside the inner cylinder, the spiral cylinder and the inner cylinder cooperate to form a spiral drying channel, one end of the inner cylinder and the spiral cylinder is communicated with each other, and the other end of the inner cylinder and the spiral cylinder is respectively provided with a feeding port and a discharging port.
[0009] A heating module is arranged outside the drying drum.
[0010] Preferably, a heat preservation shell is arranged outside the drying drum, and the heat preservation shell is fixedly connected with the support.
[0011] Preferably, positioning rings are fixedly connected to the outer sides of both ends of the drying drum, and grooved wheels are rotatably connected to the positions corresponding to the positioning rings on both sides of the support.
[0012] Preferably, a gear ring is fixedly connected to the outer side of the drying drum, an electric motor is fixedly connected to the support, and a gear wheel meshing with the gear ring is fixedly connected to the output shaft of the electric motor.
[0013] Preferably, the inner side of the inner cylinder is fixedly connected with a plurality of spiral plates in the circumferential direction thereof, and the spiral plates are opposite to the spiral direction of the spiral cylinder.
[0014] Preferably, the inner cylinder is provided with a spiral-shaped cutout at a position corresponding to the spiral-shaped drying channel, and a metal mesh is fixedly connected at the cutout.
[0015] Preferably, the feeding port penetrates to the outside of the heat preservation shell, and the heat preservation shell is provided with a discharging port at a position corresponding to the discharging port.
[0016] (Three) beneficial effects
[0017] Compared with the prior art, the utility model provides a kind of drying device for preparing organic fertilizer from cow dung, with following beneficial effects:
[0018] 1, the drying device for preparing organic fertilizer from cow dung, by combining spiral cylinder and inner cylinder to form double-layer drying cylinder, under the same equipment length, make it have longer effective drying path, to reduce the space occupied.
[0019] 2, the drying device for preparing organic fertilizer from cow dung, its outer cylinder adopts spiral cylinder, so that heating module can heat spiral cylinder and inner cylinder simultaneously, and simultaneously using spiral cylinder can push material to move to discharging port, to facilitate material discharge. DETAILED DESCRIPTION
[0020] Figure 1 It is the three-dimensional schematic diagram of the structure of the utility model;
[0021] Figure 2 It is the main view cross-sectional schematic diagram of the structure of the utility model;
[0022] Figure 3 It is the three-dimensional schematic diagram of the drying roller of the utility model;
[0023] Figure 4 It is the top view cross-sectional schematic diagram of the structure of the utility model.
[0024] In the drawing: 1, heat preservation shell; 2, drying roller; 4, feeding port; 5, discharging port; 6, motor; 7, spiral plate; 8, support; 9, heating module; 10, spiral cylinder; 11, inner cylinder; 12, positioning ring; 13, discharging port; 15, gear ring; 16, slot wheel; 17, gear; 18, metal mesh. DETAILED DESCRIPTION
[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.
[0026] Referring to Figures 1-3 As shown in the figure, a drying device for preparing organic fertilizer from cow dung, comprising a support 8, a drying drum 2 is horizontally rotatably connected to the support 8, the drying drum 2 comprises an inner cylinder 11, the outer side of the inner cylinder 11 is sleeved with a spiral cylinder 10, the spiral cylinder 10 and the inner cylinder 11 cooperate to form a spiral drying channel, one end of the inner cylinder 11 and the spiral cylinder 10 are communicated with each other, the other end of the inner cylinder 11 and the spiral cylinder 10 are respectively provided with a feeding port 4 and a discharging port 13; the outer side of the drying drum 2 is provided with a heating module 9. Specifically, the heating module 9 is a gas burner.
[0027] When the material needs to be dried, the heating module 9 is started and the drying drum 2 is driven to rotate, the material is sent into the inner cylinder 11 from the feeding port 4, the material is preliminarily dried in the inner cylinder 11 and then falls into the spiral cylinder 10, the material is further dried in the inner cylinder 11 and then is discharged from the discharging port 13. By adopting the spiral cylinder 10 and the inner cylinder 11 to form the drying drum 2, the effective drying path is longer under the same equipment length, so that the occupied space is reduced. At the same time, the spiral cylinder 10 is used as the outer drum, so that the heating module 9 can heat the spiral cylinder 10 and the inner cylinder 11 at the same time.
[0028] In order to reduce heat loss, the outer side of the drying drum 2 is provided with a heat preservation shell 1, the heat preservation shell 1 is fixedly connected with the support 8. In order to avoid the heat preservation shell 1 affecting the feeding and discharging of the material into and out of the drying drum 2, the feeding port 4 penetrates to the outer side of the heat preservation shell 1, and the heat preservation shell 1 is provided with a discharge port 5 at a position corresponding to the discharging port 13.
[0029] Specifically, the drying drum 2 is rotatably connected with the support 8 through a groove wheel 16, the outer side of both ends of the drying drum 2 is fixedly connected with a positioning ring 12, the sides of the support 8 are rotatably connected with the groove wheel 16 at positions corresponding to the positioning ring 12. The drying drum 2 can be limited by the cooperation of the positioning ring 12 and the groove wheel 16 to avoid deviation during rotation.
[0030] In some embodiments, the drying drum 2 is driven to rotate by a motor 6, the outer side of the drying drum 2 is fixedly connected with a gear ring 15, the support 8 is fixedly connected with the motor 6, the output shaft of the motor 6 is fixedly connected with a gear 17 which is meshed with the gear ring 15. Preferably, the motor 6 is fixedly connected to the outer side of the heat preservation shell 1 to avoid the influence of high temperature on the operation of the motor 6.
[0031] In order to enable the inner cylinder 11 to effectively convey, the inner side of the inner cylinder 11 is fixedly connected with a plurality of spiral plates 7 along the circumference thereof, the spiral direction of the spiral plates 7 is opposite to that of the spiral cylinder 10. The spiral plates 7 can push the material to move from the feeding port 4 to the other end of the inner cylinder 11, and the material can be discharged from the discharging port 13 of the spiral cylinder 10 under the action of the spiral cylinder 10.
[0032] In some embodiments, refer to Figure 4 As shown in the drawings, in order to enhance the air flow effect in the spiral drying channel, the inner cylinder 11 is provided with a spiral cut at the position corresponding to the spiral drying channel, and a metal mesh 18 is fixedly connected at the cut. Among them, the aperture of the metal mesh 18 should be smaller than the diameter of the material to be dried.
[0033] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A drying device for preparing organic fertilizer from cow dung, comprising a support (8), characterized in that: The support (8) is horizontally connected with a drying roller (2), the drying roller (2) comprises an inner cylinder (11), the outer side of the inner cylinder (11) is sleeved with a spiral cylinder (10), the spiral cylinder (10) and the inner cylinder (11) cooperate to form a spiral drying channel, one end of the inner cylinder (11) and the spiral cylinder (10) is communicated with each other, the other end of the inner cylinder (11) and the spiral cylinder (10) is respectively provided with a feeding port (4) and a discharging port (13); The inner side of the inner cylinder (11) is fixedly connected with a plurality of spiral plates (7) along the circumference thereof, the spiral direction of the spiral plates (7) is opposite to that of the spiral cylinder (10); the inner cylinder (11) is provided with a spiral cutout at the position corresponding to the spiral drying channel, and the cutout is fixedly connected with a metal mesh (18); The outer side of the drying roller (2) is provided with a heating module (9).
2. The drying device for preparing organic fertilizer from cow dung according to claim 1, characterized in that: The outer side of the drying roller (2) is provided with a heat preservation shell (1), and the heat preservation shell (1) is fixedly connected with the support (8).
3. The drying device for preparing organic fertilizer from cow dung according to claim 1, characterized in that: The outer side of the drying roller (2) is fixedly connected with a positioning ring (12), and the both sides of the support (8) are rotatably connected with a groove wheel (16) at the positions corresponding to the positioning ring (12).
4. The drying device for preparing organic fertilizer from cow dung according to claim 1, characterized in that: The outer side of the drying roller (2) is fixedly connected with a gear ring (15), the support (8) is fixedly connected with a motor (6), and the output shaft of the motor (6) is fixedly connected with a gear (17) which is meshed with the gear ring (15).
5. The drying device for preparing organic fertilizer from cow dung according to claim 1, characterized in that: The feeding port (4) penetrates to the outer side of the heat preservation shell (1), and the heat preservation shell (1) is provided with a discharging port (5) at the position corresponding to the discharging port (13).