Conveying, loading and unloading equipment

Abstract

The invention provides conveying, loading and unloading equipment which comprises a first discharging barrel, a first storage tank, a second discharging barrel, a second storage tank, a first conveying device, a second conveying device, a second conveying device and a control system. The pneumatic conveying structure comprises a sealing cavity and two fan blades arranged in the sealing cavity, an air inlet and an air outlet are formed in the two ends of the sealing cavity correspondingly, and the two fan blades rotate around a preset axis in the clockwise direction and the anticlockwise direction correspondingly, so that airflow flows into the sealing cavity from the air inlet and then flows out from the air outlet; the pneumatic conveying structure has a first state that the air inlet communicates with the first feeding port of the first discharging barrel and a second state that the air outlet communicates with the discharging port of the second discharging barrel, and the first state and the second state are alternately and switchably arranged. The problem that in the prior art, the loading and unloading efficiency of molecular sieves and pearlife is low is solved.

Description

Technical Field

[0001] The present invention relates to the technical field of bulk material conveying, and in particular to a conveying and loading and unloading device. Background Art

[0002] A large amount of molecular sieves and pearl sand need to be loaded and unloaded. However, the molecular sieve tanks and pearl sand cold boxes are at a high height. Whether it is manually moving the molecular sieve in the molecular sieve tank to the ground, or manually sending the pearl sand on the ground to the pearl sand cold box, it takes a lot of manpower and time, and safety accidents are prone to occur during the loading and unloading of molecular sieves and pearl sand. Summary of the invention

[0003] The main purpose of the present invention is to provide a conveying and loading and unloading device to solve the problem of low loading and unloading efficiency of molecular sieves and pearl sand in the prior art.

[0004] In order to achieve the above-mentioned objectives, the present invention provides a conveying and loading and unloading equipment, including: a first unloading barrel and a first storage tank, the first storage tank is used to store the first material, and the inner cavity of the first unloading barrel and the inner cavity of the first storage tank can be set on and off; a second unloading barrel and a second storage tank, the second storage tank is used to store the second material, and the inner cavity of the second unloading barrel and the inner cavity of the second storage tank can be set on and off; a pneumatic conveying structure, the pneumatic conveying structure includes a sealed cavity and two fan blades arranged in the sealed cavity, the two ends of the sealed cavity are respectively provided with an air inlet and an air outlet, the two fan blades rotate in a clockwise direction and a counterclockwise direction around a preset axis respectively, so that the air flow flows into the sealed cavity from the air inlet and then flows out from the air outlet; the pneumatic conveying structure has a first state in which the air inlet is connected to the first feed port of the first unloading barrel, and a second state in which the air outlet is connected to the outlet of the second unloading barrel, and the first state and the second state are alternately switchably arranged.

[0005] Furthermore, a first feeding pipeline is arranged between the air inlet of the pneumatic conveying structure and the first feeding port of the first discharge barrel, and the first feeding pipeline can be set to be on and off; a second feeding pipeline is arranged between the second feeding port of the first discharge barrel and the discharge port of the first storage tank, and the second feeding pipeline can be set to be on and off.

[0006] Furthermore, the first feeding pipeline and the second feeding pipeline are both provided with a first control valve, and the first control valve can be opened and closed to control the opening and closing of the first feeding pipeline and the second feeding pipeline.

[0007] Furthermore, the conveying and loading and unloading equipment also includes a first metering barrel, which is arranged below the first unloading barrel, the feed port of the first metering barrel is connected to the discharge port of the first unloading barrel, and the discharge port of the first metering barrel can be opened and closed to the outside.

[0008] Furthermore, a detection component is provided in the first material counting barrel, and the detection component is used to detect the real-time capacity of the material in the first material counting barrel. A second control valve is provided at the discharge port of the first material counting barrel, and the second control valve is communicatively connected to the detection component so that the second control valve opens when the real-time capacity detected by the detection component is equal to the full load capacity of the first material counting barrel.

[0009] Furthermore, the conveying and loading and unloading equipment also includes a third discharge pipe, and both ends of the third discharge pipe are respectively connected to the air outlet of the pneumatic conveying structure and the discharge port of the second unloading barrel.

[0010] Furthermore, the conveying and loading and unloading equipment also includes a fourth discharge pipe, the fourth discharge pipe has a first connecting port, a second connecting port and a third connecting port, the first connecting port, the second connecting port and the third connecting port are all connected to the inner cavity of the fourth discharge pipe, the first connecting port is connected to the discharge port of the second unloading barrel, the second connecting port is connected to the third discharge pipe, and the third connecting port is connected to the feed port of the second storage tank.

[0011] Furthermore, the conveying and loading and unloading equipment also includes a fifth discharge pipe, and both ends of the fifth discharge pipe are respectively connected to the feed port and the third connecting port of the second storage tank.

[0012] Furthermore, along the extension direction of the fourth discharge pipe, one axial end of the fourth discharge pipe is used to form a first connecting port, the other axial end of the fourth discharge pipe is closed, the second connecting port and the third connecting port are both located below the first connecting port, and the second connecting port and the third connecting port are spaced apart on the circumferential side wall of the fourth discharge pipe so that the second material that falls to the other axial end of the fourth discharge pipe is blown into the third connecting port by the airflow at the second connecting port.

[0013] Furthermore, the conveying and loading and unloading equipment also includes a second metering barrel, which is arranged below the second unloading barrel, the feed port of the second metering barrel is connected to the discharge port of the second unloading barrel, and the discharge port of the second metering barrel is connected to the first connecting port.

[0014] By applying the technical solution of the present invention, the conveying and loading and unloading equipment includes a first discharge barrel, a first storage tank, a second discharge barrel, a second storage tank and a pneumatic conveying structure. The first storage tank is used to store the first material, and the second storage tank is used to store the second material. The pneumatic conveying structure switches the first state so that the air inlet of the pneumatic conveying structure is connected with the first feed port of the first discharge barrel, and the gas in the first discharge barrel is pumped into the air inlet to reduce the pressure in the inner cavity of the first discharge barrel, so that the pressure in the inner cavity of the first storage tank is greater than the pressure in the inner cavity of the first discharge barrel, so that the first material in the first storage tank automatically enters the first discharge barrel under the action of the air pressure, thereby There is no need to manually transport the material in the first storage tank into the first discharge barrel; the pneumatic conveying structure is switched to the second state, so that the air outlet of the pneumatic conveying structure is connected with the discharge port of the second discharge barrel, and the external gas flows into the air outlet through the air inlet and blows to the discharge port of the second discharge barrel. The second material at the discharge port of the second discharge barrel enters the second storage tank under the action of the gas, so there is no need to manually transport the second material in the second discharge barrel into the second storage tank, thereby greatly reducing the manpower and time consumed in loading and unloading the first material and the second material, thereby solving the problem of low loading and unloading efficiency of molecular sieves and pearl sand in the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings constituting a part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0016] Figure 1 A schematic structural diagram of an embodiment of the conveying and loading and unloading equipment according to the present invention is shown.

[0017] The above drawings include the following reference numerals:

[0018] 101. First discharge barrel; 102. First storage tank; 201. Second discharge barrel; 202. Second storage tank; 401. First feeding pipeline; 402. Second feeding pipeline; 501. First control valve; 601. First metering barrel; 701. Third discharge pipe; 801. Fourth discharge pipe; 901. Fifth discharge pipe; 902. Second metering barrel; 903. Feed pipe; 1. Controller; 2. Pneumatic conveying structure. DETAILED DESCRIPTION

[0019] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0020] Unless otherwise specifically stated, the relative arrangement, numerical expressions and numerical values ​​of the parts and steps set forth in these embodiments do not limit the scope of the present application. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to the actual proportional relationship. The technology, method and equipment known to those of ordinary skill in the relevant field may not be discussed in detail, but in appropriate cases, the technology, method and equipment should be considered as a part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as being merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so that once a certain item is defined in an accompanying drawing, it does not need to be further discussed in subsequent drawings.

[0021] In the description of the present application, it should be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the scope of protection of the present application; the directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0022] Please refer to Figure 1 The present invention provides a conveying and loading and unloading device, comprising: a first unloading barrel 101 and a first storage tank 102, wherein the first storage tank 102 is used to store a first material, and the inner cavity of the first unloading barrel 101 and the inner cavity of the first storage tank 102 can be opened and closed; a second unloading barrel 201 and a second storage tank 202, wherein the second storage tank 202 is used to store a second material, and the inner cavity of the second unloading barrel 201 and the inner cavity of the second storage tank 202 can be opened and closed; a pneumatic conveying structure 2, wherein the pneumatic conveying structure 2 It includes a sealed cavity and two fan blades arranged in the sealed cavity, and an air inlet and an air outlet are respectively arranged at both ends of the sealed cavity. The two fan blades rotate in a clockwise direction and a counterclockwise direction around a preset axis respectively, so that the airflow flows into the sealed cavity from the air inlet and then flows out from the air outlet; the pneumatic conveying structure 2 has a first state in which the air inlet is connected to the first feed port of the first unloading bucket 101, and a second state in which the air outlet is connected to the discharge port of the second unloading bucket 201, and the first state and the second state are alternately switchably arranged.

[0023] The conveying and loading and unloading equipment of the present invention comprises a first discharge barrel 101, a first storage tank 102, a second discharge barrel 201, a second storage tank 202 and a pneumatic conveying structure 2, wherein the first storage tank 102 is used to store a first material, and the second storage tank 202 is used to store a second material, and the first state is switched by the pneumatic conveying structure 2 so that the air inlet of the pneumatic conveying structure 2 is connected to the first feed port of the first discharge barrel 101, and the gas in the first discharge barrel 101 is drawn into the air inlet to reduce the pressure in the inner cavity of the first discharge barrel 101, so that the pressure in the inner cavity of the first storage tank 102 is greater than the pressure in the inner cavity of the first discharge barrel 101, so that the first material in the first storage tank 102 automatically enters the first discharge barrel under the action of the air pressure 101, so there is no need to manually transport the material in the first storage tank 102 into the first discharge barrel 101; the pneumatic conveying structure 2 is switched to the second state, so that the air outlet of the pneumatic conveying structure 2 is connected with the discharge port of the second discharge barrel 201, and the external gas flows into the air outlet through the air inlet and blows to the discharge port of the second discharge barrel 201. The second material at the discharge port of the second discharge barrel 201 enters the second storage tank 202 under the action of the gas, so there is no need to manually transport the second material in the second discharge barrel 201 into the second storage tank 202, thereby greatly reducing the manpower and time consumed in loading and unloading the first material and the second material, thereby solving the problem of low loading and unloading efficiency of molecular sieves and pearl sand in the prior art.

[0024] Specifically, the first material is molecular sieve, and the second material is pearl sand; the pneumatic conveying structure 2 is a three-blade high-pressure Roots blower, which mainly includes a blower housing, blades, bearings, an electric motor, a negative pressure muffler, a positive pressure muffler, a safety valve, a flexible connection, a V-belt and other components.

[0025] Specifically, there are two first unloading barrels 101 and two first counting barrels 601, and the two first unloading barrels 101 are alternately loaded with the first material, so that when the first material in one first unloading barrel 101 is unloaded to the outside, the other first unloading barrel 101 can continue to be loaded with the first material, which can improve the working efficiency of the conveying and loading and unloading equipment of the present invention.

[0026] In this embodiment, a first feeding pipeline 401 is arranged between the air inlet of the pneumatic conveying structure 2 and the first feeding port of the first discharge barrel 101, and the first feeding pipeline 401 can be set to be on and off; a second feeding pipeline 402 is arranged between the second feeding port of the first discharge barrel 101 and the discharge port of the first storage tank 102, and the second feeding pipeline 402 can be set to be on and off.

[0027] Specifically, the first feeding pipeline 401 is used to connect the first feed port of the first discharge barrel 101 and the air inlet of the pneumatic conveying structure 2. By controlling the on-off of the first feeding pipeline 401, the air intake volume of the first feed port and the inner cavity pressure of the first discharge barrel 101 can be accurately controlled; the second feeding pipeline 402 is used to connect the discharge port of the first storage tank 102 and the second feed port of the first discharge barrel 101. By controlling the on-off of the second feeding pipeline 402, the amount of the first material entering the first discharge barrel 101 from the first storage tank 102 can be accurately controlled.

[0028] In this embodiment, the first feeding pipeline 401 and the second feeding pipeline 402 are both provided with a first control valve 501 , and the first control valve 501 can be opened and closed to control the opening and closing of the first feeding pipeline 401 and the second feeding pipeline 402 .

[0029] Specifically, the first control valve 501 can accurately and reliably control the on-off of the first feeding pipeline 401 and the on-off of the second feeding pipeline 402 .

[0030] In this embodiment, the conveying and loading and unloading equipment also includes a first metering barrel 601, which is arranged below the first unloading barrel 101. The feed port of the first metering barrel 601 is connected to the discharge port of the first unloading barrel 101, and the discharge port of the first metering barrel 601 can be opened and closed to the outside world.

[0031] Specifically, since the capacity of the first metering barrel 601 is fixed, when the first metering barrel 601 is fully loaded, the gas in the first metering barrel 601 will escape into the first unloading barrel 101, so that only the first material is in the first metering barrel 601, thereby completing the separation of the first material and the gas in the first unloading barrel 101, ensuring that the first material flowing out to the outside is quantitative.

[0032] In this embodiment, a detection component is provided in the first material measuring barrel 601, and the detection component is used to detect the real-time capacity of the material in the first material measuring barrel 601. A second control valve is provided at the discharge port of the first material measuring barrel 601, and the second control valve is communicatively connected to the detection component so that when the real-time capacity detected by the detection component is equal to the full load capacity of the first material measuring barrel 601, the second control valve opens.

[0033] Specifically, when the real-time capacity detected by the detection component is equal to the full load capacity of the first material barrel 601, the second control valve opens to ensure that it can be opened in time when the real-time capacity of the first material reaches the full load capacity of the first material barrel 601, thereby realizing accurate control of the delivery volume of the first material.

[0034] In this embodiment, the conveying and loading and unloading equipment further includes a third discharge pipe 701 , and both ends of the third discharge pipe 701 are respectively connected to the air outlet of the pneumatic conveying structure 2 and the discharge port of the second discharge barrel 201 .

[0035] Specifically, the third discharge pipe 701 is used to connect the air outlet of the pneumatic conveying structure 2 and the discharge port of the second discharge barrel 201 to ensure that the airflow at the air outlet can blow to the second material at the discharge port of the second discharge barrel 201.

[0036] In this embodiment, the conveying and loading and unloading equipment also includes a fourth discharge pipe 801, which has a first connecting port, a second connecting port and a third connecting port. The first connecting port, the second connecting port and the third connecting port are all connected to the inner cavity of the fourth discharge pipe 801, the first connecting port is connected to the discharge port of the second unloading bucket 201, the second connecting port is connected to the third discharge pipe 701, and the third connecting port is connected to the feed port of the second storage tank 202.

[0037] Specifically, the second material at the discharge port of the second discharge barrel 201 enters the inner cavity of the fourth discharge pipe 801 through the first connecting port under the action of gravity, and the airflow at the air outlet of the pneumatic conveying structure 2 flows into the fourth discharge pipe 801 through the third discharge pipe 701 and the second connecting port, and then the airflow blows the second material in the fourth discharge pipe 801 to the second storage tank 202.

[0038] In this embodiment, the conveying and loading and unloading equipment further includes a fifth discharge pipe 901 , and both ends of the fifth discharge pipe 901 are respectively connected to the feed port and the third connecting port of the second storage tank 202 .

[0039] Specifically, the fifth discharge pipe 901 is used to connect the feed port and the third connecting port of the second storage tank 202 to ensure that the second material in the fourth discharge pipe 801 is smoothly blown into the second storage tank 202 by the airflow.

[0040] In this embodiment, along the extension direction of the fourth discharge pipe 801, one axial end of the fourth discharge pipe 801 is used to form a first connecting port, the other axial end of the fourth discharge pipe 801 is closed, the second connecting port and the third connecting port are both located below the first connecting port, and the second connecting port and the third connecting port are spaced apart on the circumferential side wall of the fourth discharge pipe 801 so that the second material that falls to the other axial end of the fourth discharge pipe 801 is blown into the third connecting port by the airflow at the second connecting port.

[0041] Specifically, the second material at the discharge port of the second discharge barrel 201 flows to the other axial end of the fourth discharge pipe 801 through the first connecting port under the action of gravity. The airflow flowing into the second connecting port blows the second material at the other axial end of the fourth discharge pipe 801 to the third connecting port, so that the second material enters the fifth discharge pipe 901 from the third connecting port.

[0042] In this embodiment, the conveying and loading and unloading equipment also includes a second metering barrel 902, which is arranged below the second discharge barrel 201, the feed port of the second metering barrel 902 is connected to the discharge port of the second discharge barrel 201, and the discharge port of the second metering barrel 902 is connected to the first connecting port.

[0043] Specifically, since the capacity of the second metering barrel 902 is fixed, when the second metering barrel 902 is fully loaded, the gas in the second metering barrel 902 will escape into the second unloading barrel 201, so that only the second material is in the second metering barrel 902, thereby completing the separation of the second material and the gas in the second unloading barrel 201, ensuring that the second material flowing out to the outside is quantitative.

[0044] Specifically, a detection component is provided in the second material measuring barrel 902, and the detection component is used to detect the real-time capacity of the material in the second material measuring barrel 902. A second control valve is provided at the discharge port of the second material measuring barrel 902. The second control valve and the detection component are communicatively connected so that when the real-time capacity detected by the detection component is equal to the full load capacity of the second material measuring barrel 902, the second control valve opens.

[0045] Specifically, the conveying and loading and unloading equipment further includes a feed pipe 903 , which is connected to the second unloading bucket 201 , and the feed pipe 903 can automatically suck in the second material.

[0046] Specifically, the conveying and loading and unloading equipment also includes a controller 1, which is communicatively connected with the first control valve 501, the second control valve, the detection element in the first material metering barrel 601, and the detection element in the second material metering barrel 902, so that the staff can control the conveying and loading and unloading equipment through the controller 1.

[0047] From the above description, it can be seen that the above embodiments of the present invention achieve the following technical effects:

[0048] The conveying and loading and unloading equipment of the present invention reduces the maintenance cost and the labor intensity of the staff, reduces the safety accidents of limited space operations, indirectly improves the operation safety factor of the conveying and loading and unloading equipment, reduces the operation cost of the conveying and loading and unloading equipment, and improves the operation safety benefit.

[0049] The conveying and loading and unloading equipment of the present invention comprises a first discharge barrel 101, a first storage tank 102, a second discharge barrel 201, a second storage tank 202 and a pneumatic conveying structure 2, wherein the first storage tank 102 is used to store a first material, and the second storage tank 202 is used to store a second material, and the first state is switched by the pneumatic conveying structure 2 so that the air inlet of the pneumatic conveying structure 2 is connected to the first feed port of the first discharge barrel 101, and the gas in the first discharge barrel 101 is drawn into the air inlet to reduce the pressure in the inner cavity of the first discharge barrel 101, so that the pressure in the inner cavity of the first storage tank 102 is greater than the pressure in the inner cavity of the first discharge barrel 101, so that the first material in the first storage tank 102 automatically enters the first discharge barrel under the action of the air pressure 101, so there is no need to manually transport the material in the first storage tank 102 into the first discharge barrel 101; the pneumatic conveying structure 2 is switched to the second state, so that the air outlet of the pneumatic conveying structure 2 is connected with the discharge port of the second discharge barrel 201, and the external gas flows into the air outlet through the air inlet and blows to the discharge port of the second discharge barrel 201. The second material at the discharge port of the second discharge barrel 201 enters the second storage tank 202 under the action of the gas, so there is no need to manually transport the second material in the second discharge barrel 201 into the second storage tank 202, thereby greatly reducing the manpower and time consumed in loading and unloading the first material and the second material, thereby solving the problem of low loading and unloading efficiency of molecular sieves and pearl sand in the prior art.

[0050] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0051] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of this application.

[0052] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A conveying and loading and unloading equipment, characterized in that: include: A first discharge barrel (101) and a first storage tank (102), wherein the first storage tank (102) is used to store a first material, and the inner cavity of the first discharge barrel (101) and the inner cavity of the first storage tank (102) are arranged to be openable and disconnectable; A second discharge barrel (201) and a second storage tank (202), wherein the second storage tank (202) is used to store a second material, and the inner cavity of the second discharge barrel (201) and the inner cavity of the second storage tank (202) are arranged to be openable and disconnectable; A pneumatic conveying structure (2), the pneumatic conveying structure (2) comprising a sealed cavity and two fan blades arranged in the sealed cavity, an air inlet and an air outlet are respectively arranged at two ends of the sealed cavity, and the two fan blades rotate in a clockwise direction and a counterclockwise direction around a preset axis respectively, so that the airflow flows into the sealed cavity from the air inlet and then flows out from the air outlet; The pneumatic conveying structure (2) has a first state in which the air inlet is connected to the first feed port of the first discharge barrel (101), and a second state in which the air outlet is connected to the discharge port of the second discharge barrel (201), and the first state and the second state are alternately switchably arranged.

2. The conveying and loading and unloading equipment according to claim 1, characterized in that: A first feeding pipeline (401) is arranged between the air inlet of the pneumatic conveying structure (2) and the first feeding port of the first discharge barrel (101), and the first feeding pipeline (401) can be set to be on and off; a second feeding pipeline (402) is arranged between the second feeding port of the first discharge barrel (101) and the discharge port of the first storage tank (102), and the second feeding pipeline (402) can be set to be on and off.

3. The conveying and loading and unloading equipment according to claim 2, characterized in that: The first feeding pipeline (401) and the second feeding pipeline (402) are both provided with a first control valve (501), and the first control valve (501) can be opened and closed to control the opening and closing of the first feeding pipeline (401) and the second feeding pipeline (402).

4. The conveying and loading and unloading equipment according to claim 1, characterized in that: The conveying and loading and unloading equipment also includes a first metering barrel (601), which is arranged below the first unloading barrel (101), the feed port of the first metering barrel (601) is connected to the discharge port of the first unloading barrel (101), and the discharge port of the first metering barrel (601) can be connected and disconnected to the outside.

5. The conveying and loading and unloading equipment according to claim 4, characterized in that: A detection component is provided in the first material counting barrel (601), and the detection component is used to detect the real-time capacity of the material in the first material counting barrel (601). A second control valve is provided at the discharge port of the first material counting barrel (601), and the second control valve is communicatively connected to the detection component so that the second control valve opens when the real-time capacity detected by the detection component is equal to the full load capacity of the first material counting barrel (601).

6. The conveying and loading and unloading equipment according to claim 1, characterized in that: The conveying and loading and unloading equipment also includes a third discharge pipe (701), and two ends of the third discharge pipe (701) are respectively connected to the air outlet of the pneumatic conveying structure (2) and the discharge port of the second discharge barrel (201).

7. The conveying and loading and unloading equipment according to claim 6, characterized in that: The conveying and loading and unloading equipment also includes a fourth discharge pipe (801), the fourth discharge pipe (801) having a first connecting port, a second connecting port and a third connecting port, the first connecting port, the second connecting port and the third connecting port are all connected to the inner cavity of the fourth discharge pipe (801), the first connecting port is connected to the discharge port of the second unloading barrel (201), the second connecting port is connected to the third discharge pipe (701), and the third connecting port is connected to the feed port of the second storage tank (202).

8. The conveying and loading and unloading equipment according to claim 7, characterized in that: The conveying and loading and unloading equipment also includes a fifth discharge pipe (901), and two ends of the fifth discharge pipe (901) are respectively connected to the feed port of the second storage tank (202) and the third connecting port.

9. The conveying and loading and unloading equipment according to claim 7, characterized in that: Along the extension direction of the fourth discharge pipe (801), one axial end of the fourth discharge pipe (801) is used to form the first connecting port, the other axial end of the fourth discharge pipe (801) is closed, the second connecting port and the third connecting port are both located below the first connecting port, and the second connecting port and the third connecting port are spaced apart on the circumferential side wall of the fourth discharge pipe (801) so that the second material falling to the other axial end of the fourth discharge pipe (801) is blown into the third connecting port by the airflow at the second connecting port.

10. The conveying and loading and unloading equipment according to claim 7, characterized in that: The conveying and loading and unloading equipment also includes a second metering barrel (902), which is arranged below the second unloading barrel (201), the feed port of the second metering barrel (902) is connected to the discharge port of the second unloading barrel (201), and the discharge port of the second metering barrel (902) is connected to the first connecting port.

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