A screw conveyor

Abstract

This application provides a screw conveyor, relating to the field of screw conveyor technology. The screw conveyor includes: a conveyor body, comprising a material pipeline having a material outlet; and an axial flow fan installed on the material pipeline, the axial flow fan driving airflow within the material pipeline towards the material outlet. In the screw conveyor provided in this application, the axial flow fan can drive airflow within the material pipeline towards the material outlet, effectively preventing toxic and harmful gases from the waste storage area from flowing back into the kitchen kitchen from the material pipeline, thus improving the stability of airflow within the kitchen.

Description

Technical Field

[0001] This application relates to the field of screw conveyor technology, and more particularly to a screw conveyor. Background Technology

[0002] During operation, the screw conveyor transports kitchen waste from the food processing workshop to the waste storage area via a material conveying pipeline. However, the high material level and large fluctuations in negative pressure in the waste storage area can easily cause carbon monoxide to flow back into the food processing workshop through the material conveying pipeline. At the same time, the unstable negative pressure and lack of air circulation in the food processing workshop can prevent the gas flowing back into the food processing workshop from the waste storage area from dissipating. Utility Model Content

[0003] This application aims to address at least one of the technical problems existing in the prior art. To this end, this application proposes a screw conveyor that can effectively maintain negative pressure between the material outlet of the waste storage facility and the material pipeline, thereby improving the stability of the pressure difference between the inside and outside of the waste storage facility.

[0004] Embodiments of this application provide a screw conveyor, comprising:

[0005] The conveyor body includes a material pipe having a material outlet;

[0006] An axial flow fan is installed on the material pipeline, and the axial flow fan is used to drive the airflow in the material pipeline to the material outlet.

[0007] According to the embodiment of this application, the screw conveyor is located outside the material pipeline, wherein the angle between the axial direction of the axial flow fan and the extension direction of the material pipeline is an acute angle.

[0008] According to the embodiment of this application, the included angle of the screw conveyor is 30 degrees.

[0009] According to the embodiment of this application, the screw conveyor includes a housing and blades installed inside the housing, and the housing is sealed to the material pipeline.

[0010] According to the embodiment of this application, the screw conveyor is provided with a support column on the outer periphery of the shell, and a limit groove is provided at the position where the material pipe cooperates with the axial flow fan, and the support column cooperates with the limit groove.

[0011] According to the screw conveyor provided in the embodiments of this application, there are multiple limiting grooves, the number of supporting columns is the same as the limiting grooves, and the positions of the supporting columns correspond to each limiting groove.

[0012] According to the embodiment of this application, the screw conveyor housing includes a flow guide shroud, which is shaped like a flared mouth.

[0013] According to the embodiment of this application, the screw conveyor includes a protective cover, which is mounted on the housing.

[0014] According to the embodiment of this application, the axial flow fan is located above the material pipeline in the screw conveyor.

[0015] According to the embodiment of this application, the screw conveyor body includes a screw rod, which is disposed inside the material pipeline.

[0016] As can be seen from the above technical solutions, the embodiments of this application have at least the following beneficial effects:

[0017] In the screw conveyor provided in this application embodiment, the axial flow fan can drive the airflow in the material pipeline to the material outlet, which can increase the air pressure in the material pipeline and effectively prevent toxic and harmful gases from the garbage storage from flowing back from the material pipeline to the kitchen, thus improving the stability of the airflow in the kitchen. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a partial structural schematic diagram of a screw conveyor provided in one embodiment of this application;

[0020] Figure 2 This is a cross-sectional view of an axial flow fan in one embodiment of this application;

[0021] Figure 3 This is a schematic diagram of the axial flow fan from another perspective in one embodiment of this application;

[0022] Figure 4 This is a schematic diagram showing the positions of the protective cover and blades in one embodiment of this application.

[0023] Figure label:

[0024] 110. Material pipeline; 111. Material outlet; 200. Axial flow fan; 210. Casing; 220. Blades; 230. Drive mechanism; 240. Protective cover. Detailed Implementation

[0025] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0026] During operation, the screw conveyor transports kitchen waste from the food processing workshop to the waste storage area via a material conveying pipeline. However, the high material level and large fluctuations in negative pressure in the waste storage area can easily cause carbon monoxide to flow back into the food processing workshop through the material conveying pipeline. At the same time, the unstable negative pressure and lack of air circulation in the food processing workshop can prevent the gas flowing back into the food processing workshop from the waste storage area from dissipating.

[0027] In view of this, embodiments of this application provide a screw conveyor to effectively solve the aforementioned problems.

[0028] See Figure 1 As shown, an embodiment of this application discloses a screw conveyor, which includes a conveyor body and an axial flow fan 200.

[0029] Specifically, the conveyor body includes a material pipe 110, which has a material outlet 111; an axial flow fan 200 is installed on the material pipe 110 and is used to drive the airflow in the material pipe 110 to flow to the material outlet 111.

[0030] In one application scenario, a screw conveyor is installed between the kitchen waste processing workshop and the waste storage area to discharge kitchen waste from the workshop into the waste storage area. A material pipeline 110 connects the kitchen waste processing workshop and the waste storage area, and the material outlet 111 of the material pipeline 110 is located in the waste storage area, allowing kitchen waste to be transported to the waste outlet via the material pipeline 110.

[0031] In the screw conveyor provided in this application embodiment, the axial flow fan 200 can drive the airflow in the material pipeline 110 to the material outlet 111, effectively preventing toxic and harmful gases from the garbage storage from flowing back from the material pipeline 110 to the kitchen workshop, improving the stability of the airflow in the workshop, thereby ensuring the stability of the pressure difference between the workshop and the garbage storage, effectively preventing the leakage of toxic and harmful gases, and protecting the environment and the health of the workers.

[0032] In some embodiments of this application, the conveyor body includes a screw rod disposed within the material pipe 110. By rotating the screw rod, the kitchen waste within the material pipe can be conveyed along the material pipe 110 to the material outlet 111.

[0033] For some embodiments of this application, please refer to Figure 1The axial flow fan 200 is located outside the material pipe 110, with an acute angle between the axial direction of the axial flow fan 200 and the extending direction of the material pipe 110. This acute angle installation of the axial flow fan 200 helps optimize airflow guidance, ensuring smooth airflow from the material pipe 110 to the material outlet 111, further preventing backflow. Furthermore, this angle also reduces energy loss during airflow bends, improving the efficiency of the axial flow fan 200.

[0034] It should be noted that in the above embodiments, the air outlet of the axial flow fan 200 should be positioned facing the material outlet 111 of the material channel. This effectively prevents external gas from flowing back into the material pipe 110 through the material outlet 111 and flowing along the material pipe 110 to the kitchen.

[0035] In one possible implementation, the included angle is 30 degrees. That is, the included angle between the axial direction of the axial flow fan 200 and the extension direction of the material pipe 110 is 30 degrees.

[0036] It is worth noting that in some other embodiments, the angle between the axial direction of the axial flow fan 200 and the extension direction of the material pipe 110 can also be set to 15 degrees, 45 degrees, 60 degrees or other angles depending on the installation position and the blowing requirements, and is not limited here.

[0037] In some embodiments of this application, see Figure 1 and Figure 2 The axial flow fan 200 includes a housing 210 and blades 220 installed inside the housing 210. The housing 210 is sealed to the material pipeline 110. By rotating, the blades 220 drive external airflow to enter the housing 210 and the material pipeline 110 in sequence, so that the air pressure inside the material pipeline 110 is greater than the air pressure outside the material outlet 111, thereby ensuring the stability of the pressure difference.

[0038] In this embodiment, see Figure 1 and Figure 2 The axial flow fan 200 includes a drive mechanism 230, the output end of which is connected to the blades 220, and the drive mechanism 230 is used to drive the blades 220 to rotate.

[0039] In some embodiments of this application, a support column is provided on the outer periphery of the housing 210, and a limiting groove is provided at the position where the material pipe 110 mates with the axial flow fan 200, with the support column engaging with the limiting groove. The engagement of the support column and the limiting groove enhances the impact resistance, thereby making it suitable for the frequent working environment of the axial flow fan 200 and ensuring the connection stability between the axial flow fan 200 and the material pipe 110.

[0040] In one possible implementation, there are multiple limiting grooves, which are evenly spaced along the circumference. The number of support columns is the same as the number of limiting grooves, and the positions of the support columns correspond to each limiting groove.

[0041] In some embodiments of this application, the housing 210 includes a shroud, which is shaped like a flared opening. The inner diameter of the shroud gradually decreases from the inlet to the outlet of the axial fan 200. When the blades 220 rotate, they facilitate the flow of external airflow into the material pipe 110.

[0042] It is understandable that the cross-sectional profile of the fairing can be set to a circle or a rectangle as needed, and no limitation is made here.

[0043] In some embodiments of this application, see Figure 3 and Figure 4 The axial flow fan 200 includes a protective cover 240, which is mounted on the housing 210. The protective cover 240 is located on the outside of the blades 220 to prevent external objects from damaging the blades 220.

[0044] In some embodiments of this application, the axial flow fan 200 is located above the material pipeline 110. On the one hand, the material pipeline 110 can support the axial flow fan 200, reducing the connection pressure at the connection between the axial flow fan 200 and the material pipeline 110. On the other hand, it can also prevent the placement of the axial flow fan 200 from affecting the conveying of kitchen waste in the material pipeline 110.

[0045] In the description of this application, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0046] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, unless otherwise stated, "a plurality of" means two or more.

[0047] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0048] In the description of this specification, specific features, structures, materials, or characteristics may be combined in any suitable manner in one or more embodiments or examples.

[0049] It should be understood that although the steps in the flowcharts of the accompanying figures are shown sequentially as indicated by the arrows, these steps are not necessarily executed in the order indicated by the arrows. Unless explicitly stated herein, there is no strict order restriction on the execution of these steps, and they can be executed in other orders. Moreover, at least some steps in the flowcharts of the accompanying figures may include multiple sub-steps or multiple stages. These sub-steps or stages are not necessarily completed at the same time, but can be executed at different times, and their execution order is not necessarily sequential, but can be performed alternately or in turn with other steps or at least some of the sub-steps or stages of other steps.

Claims

1. A screw conveyor, characterized in that include: The conveyor body includes a material pipe having a material outlet; An axial flow fan is installed on the material pipeline, and the axial flow fan is used to drive the airflow in the material pipeline to the material outlet.

2. The screw conveyor according to claim 1, characterized in that, The axial flow fan is located outside the material pipeline, wherein the angle between the axial direction of the axial flow fan and the extension direction of the material pipeline is an acute angle.

3. The screw conveyor of claim 2, wherein, The included angle is 30 degrees.

4. A screw conveyor according to any one of claims 1 to 3, characterised in that The axial flow fan includes a housing and blades installed inside the housing, and the housing is sealed to the material pipeline.

5. A screw conveyor according to claim 4, characterised in that The outer periphery of the shell is provided with a support column, and the position where the material pipeline cooperates with the axial flow fan is provided with a limit groove, and the support column cooperates with the limit groove.

6. The screw conveyor of claim 5, wherein, The limiting groove has multiple slots, the number of the support columns is the same as the number of limiting grooves, and the position of the support columns corresponds to each limiting groove.

7. The screw conveyor according to claim 4, characterized in that, The housing includes a flow deflector, which is shaped like a horn.

8. The screw conveyor of claim 4, wherein, The axial flow fan includes a protective cover, which is mounted on the housing.

9. The screw conveyor of claim 1, wherein, The axial flow fan is located above the material pipeline.

10. The screw conveyor of claim 1, wherein, The conveyor body includes a screw rod, which is disposed inside the material pipeline.

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