A feed drying device for piglets
By using a combination of spiral plates and high-temperature airflow in the drying device, the problems of high equipment cost and low efficiency in the drying process of pig feed are solved, achieving efficient and uniform drying effect, avoiding material jamming, and reducing operational complexity.
Patent Information
- Application Number
- CN202422973686.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-03
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-03
AI Technical Summary
Existing technologies for drying pig feed suffer from problems such as high equipment costs, complex operation, or low drying efficiency. In particular, vacuum drying is costly, while natural sun drying is greatly affected by weather, and hot air drying equipment is insufficient in terms of stability and efficiency.
A feed drying device for piglets was designed, which adopts a spiral plate structure inside the drying cylinder, combined with high-temperature airflow and a purging structure. The spiral plate causes the feed to roll from top to bottom and come into contact with the high-temperature airflow, preventing the feed from getting stuck on the spiral plate. The air duct is used to periodically purge the feed, ensuring the stability and uniformity of the drying process.
It achieves efficient and uniform drying of pig feed, avoids feed jamming, ensures the continuous stability and efficiency of the drying process, and reduces equipment costs and operational complexity.
Smart Images
Figure CN223596444U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the feed production field especially uses feed drying device for piglet feeding. BACKGROUND
[0002] In the piglet breeding process, in order to supplement nutrition, generally needs to feed various feeds. Because the stability of granular feed is high, palatability is good and is convenient for transportation and storage, so in actual production process, feed is often made into granular. At the same time, in order to guarantee feed quality, maintain the stability of nutrient composition, also in order to prolong the storage period, reduce the metamorphic risk, therefore need to make dry granules to pig feed.
[0003] The drying mode generally has natural drying, hot air drying and vacuum drying etc. The mode of natural drying is long in time and is greatly influenced by weather, and although the vacuum drying is good in effect, but the equipment cost is big, and the operation is complex. Therefore, the mode of hot air drying is the most common. Based on this, the applicant proposes a feed drying device for piglet feeding. SUMMARY
[0004] To solve the technical problem of pig feed drying, the utility model provides a feed drying device for piglet feeding.
[0005] The utility model adopts the following technical scheme realization: a feed drying device for piglet feeding, including drying cylinder, the drying cylinder top and bottom are equipped with feed inlet and discharge gate respectively, the drying cylinder includes outer tube and inner tube, and is provided with cavity between the outer tube and inner tube, additionally still includes:
[0006] Hot air pipe, one end of the hot air pipe is led into the inside of drying cylinder;
[0007] Spiral plate, the spiral plate is fixedly arranged in the inside of the inner tube;
[0008] Blowing structure, the inner tube is provided with blowing structure along the spiral plate direction, and the blowing structure is used for preventing material from sticking on the spiral plate.
[0009] Through the above technical scheme, by inputting high-temperature airflow to the drying cylinder, the high-temperature airflow is along the spiral plate upwards, and the granular material is automatically moved downwards along the spiral plate, so that the feed can be air dried. At the same time, since the feed is in a continuous rolling state, the feed air drying can be more thorough. And the blowing structure can prevent the feed from being stuck on the spiral plate, to ensure that the air drying work continues stably.
[0010] As a further improvement of the above scheme, the inner tube and the outer tube are fixedly connected, the inner tube bottom is provided with a material collecting hopper, the lower end of the material collecting hopper is provided with a discharge gate, a plurality of air inlets are formed in the side wall of the inner tube, and a filter screen is arranged at the air inlet.
[0011] Through the technical scheme, the filter screen can prevent the material on the spiral plate from moving out of the inner cylinder.
[0012] As a further improvement of the above scheme, the blowing structure comprises:
[0013] The mounting pipe is fixedly connected with the inner cylinder, and the spiral plate is fixedly welded with the mounting pipe.
[0014] The air guide pipes are provided in plurality, and the plurality of air guide pipes are fixedly installed on the mounting pipe in a spiral ascending manner, and the air guide pipes are provided with inclined air outlets.
[0015] Through the technical scheme, the air outlet of the air guide pipe is inclined between the air guide pipe and the spiral plate, that is, the high-temperature air flow blown to the spiral plate is inclined, which can blow away the feed and prevent the feed from being stuck on the spiral plate.
[0016] As a further improvement of the above scheme, the hot air pipe comprises a first hot air pipe and a second hot air pipe, one end of the first hot air pipe is communicated into the cavity between the outer cylinder and the inner cylinder, and the second hot air pipe is communicated with the mounting pipe.
[0017] As a further improvement of the above scheme, the top of the drying cylinder is further connected with an air outlet pipe, the air outlet pipe is communicated with the inner cylinder, and a filter is installed on the air outlet pipe.
[0018] Through the technical scheme, the air outlet pipe is used for discharging the gas with water vapor after passing through the spiral plate. The filter can absorb the water vapor in the air flow, and can also absorb the fine particles and dust possibly carried out by the air flow.
[0019] As a further improvement of the above scheme, a heat insulation layer is arranged on the inner side wall of the outer cylinder.
[0020] Through the technical scheme, the heat insulation layer can be a rock wool board, which can prevent heat from being transmitted out of the outer cylinder and reduce heat loss.
[0021] As a further improvement of the above scheme, a feeding hopper is arranged above the feeding port, and a supporting column is further fixedly connected with the bottom of the drying cylinder.
[0022] Compared with the prior art, the beneficial effects of the present application are as follows:
[0023] This invention utilizes a spiral plate where feed rolls downwards while a high-temperature airflow passes through it, moving upwards to dry the feed. The movement of the granular feed along the spiral plate ensures that all surfaces of the feed are exposed to the high-temperature airflow, resulting in a more uniform drying process. Furthermore, airflow is directed through a duct to the spiral plate, preventing feed from getting stuck and ensuring continuous and stable movement along the plate, thus guaranteeing a consistent and efficient drying process. Attached Figure Description
[0024] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0025] Figure 2 This is a cross-sectional view of the internal structure of the outer cylinder of this utility model;
[0026] Figure 3 This is a cross-sectional view of the internal structure of the inner cylinder of this utility model;
[0027] Figure 4 This is a schematic diagram showing the positional relationship between the purging structure and the spiral plate of this utility model.
[0028] Key symbols: 1. Support column; 2. Drying cylinder; 3. Outer cylinder; 4. Inner cylinder; 5. Feed inlet; 6. Discharge outlet; 7. Collection hopper; 8. Feed hopper; 9. Air inlet; 10. Filter screen; 11. Purge structure; 12. Mounting pipe; 13. Air duct; 14. Hot air duct; 15. First hot air duct; 16. Second hot air duct; 17. Air outlet pipe; 18. Filter; 19. Spiral plate; 20. Insulation layer. Detailed Implementation
[0029] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.
[0030] Please combine Figures 1-4 This embodiment of a feed drying device for piglets includes a drying cylinder 2, with a support column 1 welded and fixed to the bottom of the drying cylinder 2. An inlet 5 and an outlet 6 for accommodating feed entry and exit are respectively provided at the top and bottom of the drying cylinder 2.
[0031] The drying cylinder 2 consists of an outer cylinder 3 and an inner cylinder 4. The outer cylinder 3 is fitted over the inner cylinder 4 and the two are welded together. A cavity is provided between the outer cylinder 3 and the inner cylinder 4.
[0032] The inner part of the inner cylinder 4 is fixed with the installation pipe 12 by welding, and is additionally provided with the spiral plate 19. The spiral plate 19 is fixed with the installation pipe 12 and the inner cylinder 4 by welding respectively. The upper end of the spiral plate 19 is located below the feeding port 5. The feed entering the inner cylinder 4 through the feeding port 5 will directly fall on the spiral plate 19. Then it will move downward along the spiral plate 19 under the action of gravity.
[0033] In addition, a plurality of air inlets 9 are arranged on the outer side wall of the inner cylinder 4. The plurality of air inlets 9 are arranged in a spiral shape, which ensures that the hot air blown from the air inlets 9 will blow to the feed on the spiral plate 19, and then dry the feed. In order to prevent the feed on the spiral plate 19 from running out of the inner cylinder 4 through the air inlets 9, a filter screen 10 can be installed at the air inlets 9.
[0034] In order to introduce high-temperature gas flow into the drying cylinder 2, the hot air pipe 14 is arranged, and the hot air pipe 14 is provided with two, which are the first hot air pipe 15 and the second hot air pipe 16. The first hot air pipe 15 directly introduces into the cavity between the outer cylinder 3 and the inner cylinder 4. The high-temperature gas flow can be introduced into the cavity between the outer cylinder 3 and the inner cylinder 4. The high-temperature gas flow will enter the inner part of the inner cylinder 4 through the air inlets 9 on the inner cylinder 4, and blow to the feed on the spiral plate 19 to dry the feed. Since it is necessary to introduce high-temperature gas flow into the cavity between the outer cylinder 3 and the inner cylinder 4, in order to reduce heat loss and ensure the safety of the workers, a heat insulation layer 20 is arranged on the inner wall of the outer cylinder 3. The heat insulation layer 20 can be made of rock wool.
[0035] Since the spiral plate 19 is spirally upward, and hot air is lighter than cold air, it will also go upward. Therefore, part of the high-temperature gas flow will go upward along the spiral plate 19. In the process of the high-temperature gas flow going upward along the spiral plate 19, the feed on the spiral plate 19 will be dried all the time.
[0036] In addition, the feed falling on the spiral plate 19 will move downward along the spiral plate 19 under the action of gravity. Since the feed before drying contains moisture, it may also adhere to the spiral plate 19. In order to prevent the feed from being stuck on the spiral plate 19 and unable to move downward, resulting in the situation of "stuck material", i.e. it may not be possible to ensure that the feed can continuously and stably move downward along the spiral plate 19 only by the action of gravity. Therefore, the blowing structure 11 is additionally arranged in the inner cylinder 4.
[0037] Specifically, the blowing structure 11 comprises several air guide pipes 13. Firstly, several air guide pipes 13 are arranged on the installation pipe 12 in a spiral distribution, and one end of the second hot air pipe 16 is connected to the installation pipe 12 after passing through the drying cylinder 2. That is, the high-temperature airflow can be introduced into the installation pipe 12 through the second hot air pipe 16, and the high-temperature airflow is sprayed out from the air guide pipes 13 after passing through the installation pipe 12. In actual use, the air guide pipes 13 are provided with air outlets on one side, and the air outlets and the spiral plate 19 are arranged to be inclined. Therefore, the air blown to the spiral plate 19 through the air guide pipes 13 can blow away the feed adhered to the spiral plate 19 (the positional relationship is shown in Figure 4 ). The feed falls along the spiral plate 19. The feed is prevented from being stuck.
[0038] In addition, in actual use, valves (not shown in the figure) can be installed on the first hot air pipe 15 and the second hot air pipe 16. The air inlet amount can be controlled. The first hot air pipe 15 needs to continuously input the high-temperature airflow, and the second hot air pipe 16 only needs to periodically input the high-temperature airflow, so as to achieve the effect of periodic blowing.
[0039] In addition, since the high-temperature airflow continuously moves upward after passing through the spiral plate 19, in order to smoothly exhaust the airflow from the drying cylinder 2, an air outlet pipe 17 is connected to the top of the drying cylinder 2. The high-temperature airflow rising to the top of the drying cylinder 2 can be exhausted from the drying cylinder 2 through the air outlet pipe 17. Since the airflow absorbs the moisture in the feed during the rising process, and some fine powder particles mixed in the feed may also be removed from the drying cylinder 2 along with the rising airflow after drying. Therefore, a filter 18 is also installed on the air outlet pipe 17. The filter 18 is used to absorb the water vapor in the airflow and adsorb the fine particle dust that may be contained. In actual use, a conventional activated carbon filter device can be used.
[0040] In order to prevent the airflow from overflowing from the feed inlet 5, a feed hopper 8 is additionally arranged above the discharge outlet 6. The cross-sectional shape of the feed hopper 8 is an inverted triangle with the top being larger and the bottom being smaller, and the feed inlet 5 is in the shape of a long and narrow square opening, which can prevent the airflow from overflowing from the feed inlet 5 to a certain extent. In addition, the feed entering the inner cylinder 4 through the feed hopper 8 and the feed inlet 5 is also easy to spread, avoiding the aggregation of the feed. Similarly, the spread of the feed can also improve the air-drying efficiency.
[0041] Since the feed falls along the spiral plate 19 under the action of gravity, in order to collect the dried feed, a collection hopper 7 is welded and fixed to the bottom of the inner cylinder 4 of the drying cylinder 2. The feed falls into the collection hopper 7 after passing through the spiral plate 19, and the bottom of the collection hopper 7 is provided with a discharge outlet 6. The dried material is taken out through the discharge outlet 6.
[0042] The implementation process and principle of the feed drying device for piglets in the embodiment of the application are as follows:
[0043] (I): due to the narrow design of the inside of the feeding hopper 8 of the feeding inlet 5, a large amount of feed can be avoided from entering the inner cylinder 4 at the same time, so that the feed entering the inner cylinder 4 can be easily scattered. The feed falls on the spiral plate 19, and due to the shape design of the spiral plate 19, the granular feed will roll down along the inclined spiral plate 19.
[0044] (II): the high-temperature airflow passes through the cavity between the outer cylinder 3 and the inner cylinder 4 through the first hot air pipe 15, and the airflow enters the inner cylinder 4 through the air inlet 9, and the feed on the spiral plate 19 is air-dried.
[0045] Since the high-temperature airflow will go up along the spiral plate 19, it can ensure that the feed on the spiral plate 19 can be in contact with the high-temperature airflow. Moreover, the granular feed will roll down along the inclined spiral plate 19, that is, the granular feed will automatically turn over, so that the air-drying effect is more uniform. At the same time, the air guide pipe 13 can blow the high-temperature airflow to the spiral plate 19, so as to prevent the feed from adhering or being stuck on the spiral plate 19, avoid the feed from being stuck, and ensure that the feed can stably fall along the spiral plate 19.
[0046] (III): the high-temperature airflow after passing through the spiral plate 19 is discharged from the air outlet pipe 17, and carries away the moisture and part of the granular dust in the feed. The feed after passing through the spiral plate 19 falls in the collecting hopper and is collected.
[0047] The above-mentioned embodiments are only preferred embodiments of the present application, and cannot be used to limit the scope of protection of the present application. Any non-substantial changes and replacements made by those skilled in the art on the basis of the present application all belong to the scope of protection required by the present application.
Claims
1. A feed drying device for piglets, characterized in that, The drying cylinder includes an inlet and an outlet at its top and bottom, respectively. The drying cylinder comprises an outer cylinder and an inner cylinder, with a cavity between the outer and inner cylinders. It also includes: A hot air duct, one end of which extends into the interior of the drying cylinder; A spiral plate, which is fixedly disposed inside the inner cylinder; A purging structure is provided inside the inner cylinder along the direction of the spiral plate. The purging structure is used to prevent materials from sticking to the spiral plate.
2. The feed drying device for piglet feeding as described in claim 1, characterized in that, The inner cylinder and the outer cylinder are fixedly connected. A material receiving hopper is provided at the bottom of the inner cylinder. A material outlet is provided at the lower end of the material receiving hopper. Several air inlets are provided on the side wall of the inner cylinder. A filter screen is provided at each air inlet.
3. The feed drying device for piglets as described in claim 1, characterized in that, The purging structure includes: The mounting pipe is fixedly connected to the inner cylinder, and the spiral plate is welded and fixed to the mounting pipe. The air duct is provided in multiple ways, and the multiple air ducts are fixedly installed on the mounting pipe in a spiral upward shape. At the same time, the air duct is provided with an inclined air outlet.
4. The feed drying device for piglets as described in claim 3, characterized in that, The hot air duct includes a first hot air duct and a second hot air duct. One end of the first hot air duct is inserted into the cavity between the outer cylinder and the inner cylinder, and the second hot air duct is connected to the mounting pipe.
5. The feed drying device for piglets as described in claim 1, characterized in that, The top of the drying cylinder is also connected to an air outlet pipe, which is connected to the inner cylinder, and a filter is installed on the air outlet pipe.
6. The feed drying device for piglets as described in claim 1, characterized in that, The inner wall of the outer cylinder is covered with a heat insulation layer.
7. The feed drying device for piglets as described in claim 1, characterized in that, A feed hopper is provided above the feed inlet, and a support column is fixedly connected to the bottom of the drying cylinder.