Urea particle screening device

Abstract

The utility model provides a urea particle screening device. The urea particle screening device comprises a base, a screening unit, a first material collecting structure, a second material collecting structure and a vibration structure. The screening unit comprises a first screening assembly and a second screening assembly, the first screening assembly is detachably connected with the second screening assembly, the first screening assembly is provided with a first discharging structure, the second screening assembly is provided with a second discharging structure, and the first screening assembly is arranged on the base; the first material collecting structure is used for receiving urea particles guided out by the first discharging structure; the second material collecting structure is used for receiving urea particles guided out by the second discharging structure; the vibration structure is arranged on the base, connected with the first screening assembly and used for driving the first screening assembly and the second screening assembly to vibrate. The utility model provides a urea particle screening device and aims to solve the problems that in the prior art, when urea particles on a powder screening net are collected, the powder screening net needs to stop screening, and the screening efficiency is low.

Description

Technical Field

[0001] The utility model belongs to the technical field of urea particle screening, and in particular relates to a urea particle screening device. Background Art

[0002] Urea is a neutral fertilizer suitable for all kinds of soils and plants. Urea is easy to store and has little destructive effect on the soil. It is a chemical nitrogen fertilizer with a large usage and a high nitrogen content. In industry, ammonia and carbon dioxide are used to synthesize urea under certain conditions. In the urea production process, urea of ​​different sizes will be produced. In order to distinguish different urea particles and to screen qualified products, a multi-layer screening device is needed to screen them.

[0003] In the prior art, in the process of screening urea granules, it is necessary to wait until a certain amount of urea granules are on the powder screening net, and then manually collect the urea granules on the first screening net. During the collection process, the screening needs to be stopped to prevent the urea granules from being scattered due to the vibration of the powder screening net during the collection process. The operation is inconvenient, the screening efficiency is low, and the practicality is poor. Utility Model Content

[0004] The utility model provides a urea particle screening device, aiming to solve the problem in the prior art that when collecting urea particles on a powder screening net, the powder screening net needs to be stopped for screening, resulting in low screening efficiency.

[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: to provide a urea granule screening device, comprising:

[0006] Pedestal;

[0007] A screening unit, comprising a first screening component and a second screening component, wherein the first screening component is detachably connected to the second screening component, the first screening component is located below the second screening component, the first screening component has a first discharging structure, the second screening component has a second discharging structure, and the first screening component is arranged on the base;

[0008] a first collecting structure, located below the first discharging structure, and used for receiving urea particles discharged from the first discharging structure;

[0009] a second collecting structure, located below the second discharging structure, and used for receiving urea particles discharged from the second discharging structure;

[0010] The vibration structure is arranged on the base and connected to the first screening assembly, and is used for driving the first screening assembly and the second screening assembly to vibrate.

[0011] In a possible implementation, the first screening assembly includes a plurality of screening structures, each of which is connected in sequence from top to bottom, and each of the screening structures includes:

[0012] A panel, used to form a first cavity with two ends open;

[0013] A first screening net is arranged at one of the open ends of the first cavity, the first screening net and the enclosure plate are combined to form a first accommodating cavity, which is used to contain urea granules and screen the urea granules through the first screening net;

[0014] There are two connecting ring plates, which are respectively arranged at the two open ends of the enclosure plate.

[0015] In a possible implementation, the screening unit further includes a locking assembly for locking and fixing two adjacent screening structures, and a plurality of the locking assemblies are provided.

[0016] In a possible implementation, each of the locking assemblies includes a locking member and a fixing member, and the fixing member is threadedly connected to the locking member;

[0017] Wherein, the connecting ring plate is provided with a mounting hole for mounting the locking member.

[0018] In a possible implementation, the first discharging structure includes:

[0019] There are multiple discharge pieces, each of which is arranged in one-to-one correspondence with each of the enclosures, each of which is connected to the corresponding enclosure, and each of which has a material guide channel, one end of which is connected to the first accommodating chamber;

[0020] There are multiple material guide members, which are arranged one by one corresponding to each of the material discharge members. Each of the material guide members is connected to the corresponding material discharge member. The material guide member has a material guide cavity, which is connected to the other end of the material guide channel, and the material guide cavity has a discharge port.

[0021] In a possible implementation, the first material collection structure includes a plurality of material collection boxes, each of the material collection boxes is arranged in one-to-one correspondence with each of the material guide members, and each of the material collection boxes is respectively located below the discharge port of the corresponding material guide member.

[0022] In a possible implementation, each of the material discharging members and the corresponding material guiding members are arranged at intervals around the central axis of the enclosure plate.

[0023] In a possible implementation, a plurality of sieve holes are provided on the first sieve net, and the sizes of the sieve holes of the first sieve nets decrease successively from top to bottom.

[0024] In a possible implementation, the second screening component includes:

[0025] A baffle plate, used to form a second cavity with two ends open;

[0026] A second screening net is arranged at the lower open end of the second cavity, and the second screening net and the baffle are enclosed to form a second accommodating cavity, which is used to contain urea granules and screen the urea granules through the second screening net;

[0027] A cover plate, disposed at the upper open end of the second cavity, and used to cover the second accommodating cavity;

[0028] The edge plate is arranged at the lower end of the baffle plate and is used for connecting with the connecting ring plate.

[0029] In a possible implementation, the urea granule screening device further includes:

[0030] A fan, disposed on the baffle and connected to the second accommodating chamber;

[0031] A dust removal unit is arranged on the baffle, communicated with the second accommodating chamber, and arranged corresponding to the fan.

[0032] The beneficial effect of a urea granule screening device provided by the utility model is that: compared with the prior art, by setting a first screening component and a second screening component, the first screening component is set on the base, and the first screening component and the second screening component are detachably connected, so that the first screening component can be selected alone to screen the urea granules according to actual conditions, or the first screening component and the second screening component can be combined to screen the urea granules, thereby increasing the number of urea screening and improving the screening effect. At the same time, a vibration structure is also arranged on the base, and the vibration structure is connected to the first screening component, so as to drive the first screening component and the second screening component to vibrate, thereby improving the screening efficiency of the first screening component and the second screening component. The first screening component has a first discharging structure, and the second screening component has a second discharging structure. The first discharging structure has a first aggregate structure below, and the second discharging structure has a second aggregate structure below. The urea granules derived from the first discharging structure are received by the first aggregate structure, and the urea granules derived from the second discharging structure are received by the second aggregate structure, thereby reducing labor intensity. Furthermore, during the screening process of the first screening component and the second screening component, the urea particles discharged from the first discharging structure and the second discharging structure are collected respectively by the first aggregate structure and the second aggregate structure, without pausing the screening process of the first screening component and the second screening component. The operation is convenient, the screening efficiency is improved, and the practicability is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 A schematic diagram of a urea granule screening device provided in an embodiment of the utility model Figure 1 ;

[0034] Figure 2 A schematic diagram of a urea granule screening device provided in an embodiment of the utility model Figure 2 ;

[0035] Figure 3 A schematic structural diagram of a first screening component of a urea granule screening device provided in an embodiment of the utility model.

[0036] Description of reference numerals:

[0037] 10. Base; 20. Screening unit; 21. First screening assembly; 211. Enclosure; 212. First screening net; 213. Connecting ring plate; 22. Second screening assembly; 221. Baffle plate; 222. Cover plate; 223. Edge plate; 23. First discharging structure; 231. Discharging member; 232. Guide member; 24. Second discharging structure; 30. First aggregate structure; 40. Second aggregate structure; 50. Locking assembly; 51. Locking member; 52. Fixing member; 60. Fan; 70. Dust removal unit. DETAILED DESCRIPTION

[0038] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0039] It should be noted that the directions or positional relationships indicated by terms such as “length”, “width”, “height”, “thickness”, “up”, “down”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside”, “outside”, “head” and “tail” are based on the directions or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the present invention.

[0040] It should also be noted that, unless otherwise clearly specified and limited, the terms such as "installation", "connection", "fixation", "setting" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0041] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In addition, the meaning of "multiple" and "several" is two or more, unless otherwise clearly and specifically defined.

[0042] Please also read Figures 1 to 3 Now, a urea granule screening device provided by the utility model is described. The urea granule screening device comprises a base 10, a screening unit 20, a first aggregate structure 30, a second aggregate structure 40 and a vibration structure. The screening unit 20 comprises a first screening component 21 and a second screening component 22, wherein the first screening component 21 and the second screening component 22 are detachably connected, and the first screening component 21 is located below the second screening component 22. The first screening component 21 has a first discharging structure 23, and the second screening component 22 has a second discharging structure 24, and the first screening component 21 is arranged on the base 10. The first aggregate structure 30 is located below the first discharging structure 23, and is used for receiving urea granules derived from the first discharging structure 23. The second aggregate structure 40 is located below the second discharging structure 24, and is used for receiving urea granules derived from the second discharging structure 24. The vibration structure is disposed on the base 10 and connected to the first screening component 21 , and is used to drive the first screening component 21 and the second screening component 22 to vibrate.

[0043] In this embodiment, the first screening component 21 is arranged on the base 10, the first screening component 21 is arranged below the second screening component 22, and is detachably connected to the second screening component 22, so as to facilitate the installation and removal of the second screening component 22. The first screening component 21 has a first discharging structure 23, and a first aggregate structure 30 is arranged below the first discharging structure 23 for receiving urea particles derived from the first discharging structure 23. The second screening component 22 has a second discharging structure 24, and a second aggregate structure 40 is arranged below the second discharging structure 24 for receiving urea particles derived from the second discharging structure 24. At the same time, a vibration structure (not shown in the figure) is arranged on the base 10, and the vibration structure is connected to the first screening component 21, so as to drive the first screening component 21 and the second screening component 22 to vibrate, thereby improving the screening efficiency of the first screening component 21 and the second screening component 22.

[0044] The urea granule screening device provided by the embodiment of the utility model, compared with the prior art, is provided with a first screening component 21 and a second screening component 22, the first screening component 21 is provided on a base 10, and the first screening component 21 and the second screening component 22 are detachably connected, so that the first screening component 21 can be selected alone to screen the urea granules or the first screening component 21 and the second screening component 22 can be combined to screen the urea granules according to actual conditions, thereby increasing the number of urea screening and improving the screening effect. At the same time, a vibration structure is also provided on the base 10, and the vibration structure is connected to the first screening component 21, so as to drive the first screening component 21 and the second screening component 22 to vibrate, thereby improving the screening efficiency of the first screening component 21 and the second screening component 22. The first screening component 21 has a first discharging structure 23, and the second screening component 22 has a second discharging structure 24. A first aggregate structure 30 is provided below the first discharging structure 23, and a second aggregate structure 40 is provided below the second discharging structure 24. The urea particles derived from the first discharging structure 23 are received by the first aggregate structure 30, and the urea particles derived from the second discharging structure 24 are received by the second aggregate structure 40, thereby reducing labor intensity. In addition, during the screening process of the first screening component 21 and the second screening component 22, the urea particles derived from the first discharging structure 23 and the second discharging structure 24 are collected respectively by the first aggregate structure 30 and the second aggregate structure 40, without pausing the screening process of the first screening component 21 and the second screening component 22, which is convenient to operate, improves screening efficiency, and has good practicality.

[0045] Specifically, there is a space for installing the vibration structure on the base 10. The vibration structure can be made of existing technology.

[0046] In some embodiments, see Figure 1 and Figure 2 The first screening assembly 21 includes a plurality of screening structures, each of which is connected in sequence from top to bottom, and each screening structure includes a panel 211, a first screening net 212, and a connecting ring plate 213. The panel 211 is used to form a first cavity with two open ends. The first screening net 212 is arranged at one of the open ends of the first cavity, and the first screening net 212 and the panel 211 are enclosed to form a first accommodating chamber, which is used to contain urea granules and screen the urea granules through the first screening net 212. Two connecting ring plates 213 are provided, and the two connecting ring plates 213 are respectively arranged at the two open ends of the panel 211. In this embodiment, the first accommodating chamber for screening urea granules is enclosed by the panel 211 and the first screening net 212. The connecting ring plates 213 are arranged at the two open ends of the panel 211 to facilitate the connection of two adjacent screening structures.

[0047] In some embodiments, see Figure 2The screening unit 20 further includes a locking assembly 50, which is used to lock and fix two adjacent screening structures. A plurality of locking assemblies 50 are provided. In this embodiment, any two adjacent screening structures are locked and fixed by a plurality of locking assemblies 50, thereby ensuring a tight connection between the screening structures and ensuring the stability of the connection.

[0048] In some embodiments, see Figure 2 Each locking assembly 50 includes a locking member 51 and a fixing member 52, and the fixing member 52 is threadedly connected to the locking member 51. Among them, the connecting ring plate 213 is provided with a mounting hole for installing the locking member 51. In this embodiment, the connecting ring plate 213 is provided with a mounting hole for installing the locking member 51, and the locking member 51 is threadedly connected to the fixing member 52, which facilitates the installation and removal of the locking member 51.

[0049] In some embodiments, see Figure 1 and Figure 2 The first discharging structure 23 includes a discharging member 231 and a guide member 232. There are multiple discharging members 231, each of which is arranged in a one-to-one correspondence with each enclosure 211, and each discharging member 231 is connected to the corresponding enclosure 211. The discharging member 231 has a guide channel, and one end of the guide channel is connected to the first accommodating cavity. There are multiple guide members 232, which are arranged in a one-to-one correspondence with each discharging member 231, and each of which is connected to the corresponding discharging member 231. The guide member 232 has a guide cavity, which is connected to the other end of the guide channel, and the guide cavity has a discharging port. In this embodiment, a plurality of discharge members 231 are provided, which are arranged one by one corresponding to each enclosure 211, so that the urea particles in each first accommodating cavity can be introduced into the material guiding cavity of the material guiding member 232 through the material guiding channel. The material guiding cavity can form a limiting and gathering effect on the urea particles, thereby preventing the urea particles from being too dispersed during the discharge process, facilitating collection, and realizing the discharge of the urea particles obtained by screening while completing the continuous screening process, which has good practicality.

[0050] In some embodiments, see Figure 1 The first material collection structure 30 includes a plurality of material collection boxes, each material collection box is arranged in one-to-one correspondence with each material guide member 232, and each material collection box is respectively located below the discharge port of the corresponding material guide member 232. In this embodiment, by providing a plurality of material collection boxes, and each material collection box is arranged in one-to-one correspondence with each material guide member 232, the urea particles exported by each material guide member 232 are collected by each material collection box, and the operation is convenient.

[0051] In some embodiments, see Figure 1, each material discharging member 231 and the corresponding material guiding member 232 are arranged at intervals around the central axis of the enclosure 211. In this embodiment, each material discharging member 231 and the corresponding material guiding member 232 are arranged at intervals around the central axis of the enclosure 211, so that each collecting box is distributed to facilitate the collection of urea particles discharged by different material guiding members 232.

[0052] Preferably, the material collection box has a feed port, and when the position of each material guide member 232 moves under the action of the vibration structure, the opening size of the feed port is sufficient to allow the urea particles guided out by the material guide member 232 to enter the material collection box.

[0053] In some embodiments, see Figure 3 The first screening net 212 is provided with a plurality of screening holes, and the sizes of the screening holes of the first screening nets 212 decrease from top to bottom.

[0054] In some embodiments, see Figure 1 and Figure 2 , the second screening component 22 includes a baffle 221, a second screening net, a cover plate 222 and an edge plate 223. The baffle 221 is used to form a second cavity with two open ends. The second screening net is arranged at the lower open end of the second cavity, and the second screening net and the baffle 221 are enclosed to form a second accommodating cavity, which is used to contain urea granules and screen the urea granules through the second screening net. The cover plate 222 is arranged at the upper open end of the second cavity, and is used to cover the second accommodating cavity. The edge plate 223 is arranged at the lower end of the baffle 221, and is used to connect with the connecting ring plate 213. In this embodiment, the baffle 221 and the second screening net are enclosed to form a second accommodating cavity for screening urea. The edge plate 223 is arranged at the lower end of the baffle 221, so that it can be connected with the connecting ring plate 213. The cover plate 222 is also arranged at the upper open end of the second cavity, which is used to cover the second accommodating cavity to prevent the urea granules in the second accommodating cavity from splashing out.

[0055] Preferably, a plurality of sieve holes are provided on the second sieve net, and the size of the sieve holes of the second sieve net is larger than the size of the sieve holes of any first sieve net 212 .

[0056] In some embodiments, see Figure 1 and Figure 2 The second discharging structure 24 has the same structure as the first discharging structure 23. The second discharging structure 24 is disposed on the baffle 221. The second discharging structure 24 and the first discharging structure 23 are spaced apart around the central axis of the enclosure 211 (the central axis of the enclosure 211 and the baffle 221 coincide).

[0057] In some embodiments, see Figure 1 and Figure 2The urea granule screening device provided in the embodiment of the utility model further includes a fan 60 and a dust removal unit 70. The fan 60 is arranged on the baffle 221 and is connected to the second accommodating chamber. The dust removal unit 70 is arranged on the baffle 221 and is connected to the second accommodating chamber, and is arranged corresponding to the fan 60. In this embodiment, the fan 60 is connected to the second accommodating chamber, and the dust removal unit 70 is also connected to the second accommodating chamber. In the process of pouring urea granules into the second accommodating chamber, the fan 60 is used to remove the mixed powder in the urea granules, and then the powder is collected by the dust removal unit 70 to ensure the quality of the urea granule product. The fan 60 and the dust removal unit 70 can adopt the existing technology, which will not be described in detail here.

[0058] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A urea granule screening device, characterized in that: include: Pedestal; A screening unit, comprising a first screening component and a second screening component, wherein the first screening component is detachably connected to the second screening component, the first screening component is located below the second screening component, the first screening component has a first discharging structure, the second screening component has a second discharging structure, and the first screening component is arranged on the base; a first collecting structure, located below the first discharging structure, and used for receiving urea particles discharged from the first discharging structure; a second collecting structure, located below the second discharging structure, and used for receiving urea particles discharged from the second discharging structure; a vibration structure, disposed on the base and connected to the first screening assembly, and used for driving the first screening assembly and the second screening assembly to vibrate; The first screening assembly includes a plurality of screening structures, each of which is connected in sequence from top to bottom, and each of the screening structures includes: A panel, used to form a first cavity with two ends open; A first screening net is arranged at one of the open ends of the first cavity, the first screening net and the enclosure plate are combined to form a first accommodating cavity, which is used to contain urea granules and screen the urea granules through the first screening net; There are two connecting ring plates, which are respectively arranged at two open ends of the enclosure plate; The second screening assembly comprises: A baffle plate, used to form a second cavity with two ends open; A second screening net is arranged at the lower open end of the second cavity, and the second screening net and the baffle are enclosed to form a second accommodating cavity, which is used to contain urea granules and screen the urea granules through the second screening net; A cover plate, disposed at the upper open end of the second cavity, and used to cover the second accommodating cavity; An edge plate, arranged at the lower end of the baffle plate, and used to be connected with the connecting ring plate; The urea particle screening device also includes: A fan, disposed on the baffle and connected to the second accommodating chamber; A dust removal unit is arranged on the baffle, communicated with the second accommodating chamber, and arranged corresponding to the fan.

2. A urea granule screening device according to claim 1, characterized in that: The screening unit further comprises a locking assembly for locking and fixing two adjacent screening structures, and a plurality of the locking assemblies are provided.

3. A urea granule screening device as claimed in claim 2, characterized in that: Each of the locking assemblies comprises a locking member and a fixing member, wherein the fixing member is threadedly connected to the locking member; Wherein, the connecting ring plate is provided with a mounting hole for mounting the locking member.

4. A urea granule screening device as claimed in claim 1, characterized in that: The first discharging structure comprises: There are multiple discharge pieces, each of which is arranged in one-to-one correspondence with each of the enclosures, each of which is connected to the corresponding enclosure, and each of which has a material guide channel, one end of which is connected to the first accommodating chamber; There are multiple material guide members, which are arranged one by one corresponding to each of the material discharge members. Each of the material guide members is connected to the corresponding material discharge member. The material guide member has a material guide cavity, which is connected to the other end of the material guide channel, and the material guide cavity has a discharge port.

5. A urea granule screening device as claimed in claim 4, characterized in that: The first material collection structure includes a plurality of material collection boxes, each of which is arranged in one-to-one correspondence with each of the material guide members, and each of the material collection boxes is located below the material outlet of the corresponding material guide member.

6. A urea granule screening device as claimed in claim 4, characterized in that: Each of the material discharging members and the corresponding material guiding members are arranged at intervals around the central axis of the enclosure plate.

7. The urea granule screening device according to claim 1, characterized in that: The first sieve net is provided with a plurality of sieve holes, and the sizes of the sieve holes of the first sieve nets decrease successively from top to bottom.

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