High-viscosity mixed material pipeline closed pneumatic conveying device and system

Abstract

The utility model belongs to the technical field of continuous pipeline conveying of mixed materials, and aims to solve the problems of adhesion and blockage caused by high material viscosity in the continuous pipeline conveying of the mixed materials in the prior art. In order to achieve the purpose, the high-viscosity mixed material pipeline closed pneumatic conveying device comprises a material receiving component, an air sealing structure, a metering device and a transmitting component, and the material receiving component is used for receiving mixed materials; the air sealing structure is arranged at the air source connector and provides effective conveying air pressure protection for the emission component; the metering device is arranged on the emission component and is used for setting emission conditions required to be met by the emission component; the emitting component is connected with the material receiving component, a gas source connecting port is formed in the emitting component so as to be communicated with a gas source, and the emitting component is arranged to emit the mixed material conveyed from the material receiving component under the gas pressure of the gas source. According to the utility model, high-efficiency conveying of high-viscosity mixed materials can be realized, and the conveying efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of mixed material transportation, in particular to a high-viscosity mixed material pipeline closed pneumatic transportation device and a mixed material pipeline closed pneumatic transportation system. Background Art

[0002] In industrial production or domestic waste treatment, it is often necessary to transport mixed materials. Take food sauce transportation, coal chemical pulping, and kitchen waste disposal as examples. Food sauces, coal slurry, kitchen waste pulping, etc. generally contain high organic matter, high viscosity, high water content up to 60%-80%, and some contain oil, etc., with very high viscosity and easy to clog, which brings great challenges to traditional material transportation methods.

[0003] Existing mixed material conveying methods, such as screw conveyors, belt conveyors, etc., often encounter problems such as material adhesion, blockage, and difficulty in uniform conveying when processing such high-moisture content and viscous materials, which seriously affects the waste treatment efficiency and the service life of the equipment. Utility Model Content

[0004] (I) Purpose of the utility model

[0005] The utility model aims to solve the problem in the prior art that high-viscosity materials may adhere and clog during pipeline transportation of mixed materials.

[0006] (II) Technical solution

[0007] To solve the above problems, the first aspect of the utility model provides a closed pneumatic conveying device for a high-viscosity mixed material pipeline, the closed pneumatic conveying device for a mixed material pipeline comprising a material receiving component, an air sealing structure, a metering device and a launching component, the material receiving component is used to receive the mixed material; the air sealing structure is arranged at the air source connecting port to provide effective conveying air pressure protection for the launching component; the metering device is arranged on the launching component to set the launching conditions that the launching component needs to meet; the launching component is connected to the material receiving component and an air source connecting port is arranged on the launching component to communicate with the air source, and the launching component is arranged to launch the mixed material conveyed from the material receiving component under the gas pressure of the air source.

[0008] Preferably, in the mixed material pipeline closed pneumatic conveying device, a feed control valve for controlling the feed is provided on the material receiving component.

[0009] Preferably, in the closed pneumatic conveying device for the mixed material pipeline, the launching component conveys the mixed material to the material conveying pipe through the high-pressure gas conveyed by the air-sealed structure and the weight condition set by the metering device.

[0010] Preferably, in the closed pneumatic conveying device for the mixed material pipeline, the metering device is composed of one or more groups of weighing sensors, and the weighing sensors are used to measure and weigh the conveyed mixed material. When the mixed material is greater than a predetermined weight, the launching component launches the mixed material into the material conveying pipe.

[0011] Preferably, in the closed pneumatic conveying device for the mixed material pipeline, the air source includes an air compressor and an air storage tank, and the air compressor is connected to the air source connection port through the air storage tank.

[0012] The second aspect of the utility model also proposes a closed pneumatic conveying system for a high-viscosity mixed material pipeline, the closed pneumatic conveying system for a mixed material pipeline comprising at least two closed pneumatic conveying devices for a mixed material pipeline as described above and a switching control valve, the switching control valve being respectively connected to all the closed pneumatic conveying devices for a mixed material pipeline and selecting one of the closed pneumatic conveying devices for a mixed material pipeline to convey the material when the mixed material is being conveyed.

[0013] Preferably, in the closed pneumatic conveying system for the mixed material pipeline, the number of the closed pneumatic conveying devices for the mixed material pipeline is two, the switching control valve is a three-way switching control valve, and the two closed pneumatic conveying devices for the mixed material pipeline are respectively connected to the two inlets of the three-way switching control valve.

[0014] Preferably, the closed pneumatic conveying system for mixed material pipelines further comprises a bidirectional feeding conveyor, wherein the bidirectional feeding conveyor is configured to feed the material receiving components of the two closed pneumatic conveying devices for mixed material pipelines.

[0015] Preferably, the closed pneumatic conveying system for the mixed material pipeline further comprises a receiving container, and the receiving container is connected to the switching control valve.

[0016] Preferably, the mixed material pipeline closed pneumatic conveying system is a kitchen waste mixed material conveying system.

[0017] (III) Beneficial effects

[0018] The above technical solution of the utility model has the following beneficial technical effects:

[0019] The utility model adopts a gas conveying method, which can realize the efficient conveying of high-viscosity mixed materials. Specifically, the material receiving component can effectively receive and temporarily store the mixed materials to prepare for the subsequent conveying process. The feeding component is arranged in the material receiving component, and can evenly and continuously convey the received mixed materials to the launching component. The launching component is connected to the gas source, and the mixed materials are launched by using the pressure of the gas, which effectively reduces the adhesion and clogging of the materials during the conveying process and improves the conveying efficiency. This design not only avoids the clogging problem caused by the viscosity of the materials in the traditional conveying method, but also can control the launching speed and distance of the materials by adjusting the gas pressure, making the conveying process more flexible and controllable. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of a closed pneumatic conveying device for high-viscosity mixed material pipeline according to the utility model;

[0021] Figure 2 The utility model is a structural schematic diagram of a closed pneumatic conveying system for high-viscosity mixed materials in a pipeline.

[0022] In the present application, all drawings are schematic drawings, which are only used to illustrate the principles of the present utility model and are not drawn according to the actual scale.

[0023] Among them, the list of figure numbers is as follows: 1-material receiving component; 3-launching component; 4-feed control valve; 5-air sealing structure; 6-metering device; 7-mixing material conveying device; 8-two-way feeding conveyor; 9-air compressor; 10-air storage tank; 11-PLC automatic control system; 12-switching control valve; 13-receiving container; 14-air supply and delivery pipe; 15-overpressure safety relief valve; 16-material delivery pipe. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in combination with specific implementation methods and with reference to the accompanying drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the utility model. In addition, in the following description, the description of well-known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.

[0025] The drawings show schematic diagrams of layer structures according to embodiments of the present invention. These drawings are not drawn to scale, and some details are magnified and some details may be omitted for the purpose of clarity. The shapes of various regions and layers shown in the drawings and the relative sizes and positional relationships therebetween are only exemplary, and may deviate in practice due to manufacturing tolerances or technical limitations, and those skilled in the art may additionally design regions / layers with different shapes, sizes, and relative positions according to actual needs.

[0026] Obviously, the described embodiments are only some embodiments of the utility model, not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0028] Figure 1 This is a schematic diagram of the structure of the closed pneumatic conveying device for high-viscosity mixed material pipelines of the utility model. Figure 1 Describe the structure of the closed pneumatic conveying device for mixed material pipelines.

[0029] The closed pneumatic conveying device 7 for the mixed material pipeline includes a material receiving component 1, an air sealing structure 5, a metering device 6 and a launching component 3. Among them, the material receiving component 1 is used to receive the mixed material. The air sealing structure 5 is arranged at the air source connection port to provide effective conveying air pressure protection for the launching component 3. The metering device 6 is arranged on the launching component 3 to set the launching conditions that the launching component 3 needs to meet. The launching component 3 is connected to the material receiving component 1 and the launching component 3 is provided with an air source connection port to connect with the air source. The launching component 3 is arranged to launch the mixed material conveyed by the material receiving component 1 under the gas pressure of the air source. In the above, the material receiving component 1 can be in the form of a material receiving hopper, which has an open structure and the diameter gradually decreases from top to bottom, so as to facilitate feeding. Of course, the material receiving component 1 can also adopt other structural forms, and such structural changes belong to the protection scope of the present utility model. The launching component 3 can be in the form of a launching bin, of course, other forms can also be adopted.

[0030] In a preferred situation, the gas source includes an air compressor 9 and a gas tank 10. The air compressor 9 is connected to the gas tank 10 through a gas source connection port. The air compressor 9 can deliver high-pressure gas to the gas tank 10 for storage. The gas tank 10 has an energy storage structure, which can deliver high-pressure gas to the closed pneumatic conveying device 7 of the mixed material pipeline when mixed materials need to be transported.

[0031] Specifically, the material receiving component 1 is arranged above the closed pneumatic conveying device 7 of the mixed material pipeline, and is used to receive the materials sent from the bidirectional feeding conveyor 8, and temporarily store the mixed material in preparation for subsequent material transportation. A feed control valve 4 for controlling the feed is arranged on the material receiving component 1, and the feed control valve 4 prevents the closed pneumatic conveying device 7 of the mixed material pipeline from overflowing due to receiving too much mixed material by controlling the feed capacity.

[0032] In addition, the launch component 3 delivers the mixed material to the material conveying pipe through the high-pressure gas delivered by the air sealing structure 5 and the weight condition set by the metering device 6. Specifically, the launch component 3 is provided with an air sealing structure 5 for controlling the air intake of the air source, and the air sealing structure 5 delivers the high-pressure gas to the closed pneumatic conveying device 7 of the mixed material pipeline, thereby controlling the long-distance and high-lift transmission of the mixed material in the mixed material conveying device 7, reducing the adhesion and clogging of the material in the closed pneumatic conveying device 7 of the mixed material pipeline, and also preventing congestion or overflow inside the closed pneumatic conveying device 7 of the mixed material pipeline.

[0033] The metering device 6 provided on the launching member 3 can measure and weigh the weight of the mixed material in the launching member 3. The metering device is composed of one or more groups of weighing sensors, which are used to measure and weigh the transported mixed material. When the mixed material is greater than a predetermined weight, the launching member launches the mixed material into the material conveying pipe. The weighing sensor is used to weigh the transported mixed material, realize the quantitative conveying of the mixed material, and monitor the material residue in the closed pneumatic conveying device 7 of the mixed material pipeline, thereby effectively ensuring the transportation safety of the material and preventing overflow from occurring inside the closed pneumatic conveying device 7 of the mixed material pipeline.

[0034] In addition, the launching member 3 is arranged at the bottom of the closed pneumatic conveying device 7 of the mixed material pipeline, and the mixed material is transmitted to the material conveying pipe 16 through the high-pressure gas provided by the air sealing structure 5.

[0035] The closed pneumatic conveying device 7 for the mixed material pipeline uses high-pressure gas to convey the mixed material, which effectively reduces the adhesion and clogging of the materials in the closed pneumatic conveying device 7 for the mixed material pipeline, and realizes the efficient transmission of the high-viscosity mixed material.

[0036] The embodiment of the utility model also provides a mixed material conveying system. Figure 2 This is a schematic diagram of the structure of the closed pneumatic conveying system for high-viscosity mixed materials in the utility model. Figure 2 Describe the structure of the closed pneumatic conveying system for mixed material pipelines.

[0037] In one embodiment, the mixed material pipeline closed pneumatic conveying system is a food waste mixed material conveying system, and each component in the mixed material pipeline closed pneumatic conveying system is controlled by a PLC automatic control system 11. The PLC automatic control system 11 is respectively connected to the mixed material pipeline closed pneumatic conveying device 7, the two-way feeding conveyor 8, the air compressor 9, the air storage tank 10 and the switching control valve 12, and controls each component to operate according to a specific function.

[0038] The closed pneumatic conveying system for mixed material pipelines includes the above-mentioned two closed pneumatic conveying devices 7 for mixed material pipelines and a switching control valve 12. The switching control valve 12 is respectively connected to all the closed pneumatic conveying devices 7 for mixed material pipelines and selects one of them to be connected to the closed pneumatic conveying device 7 for mixed material pipeline conveying when the mixed material is being conveyed.

[0039] In a preferred embodiment, the number of the mixed material pipeline closed pneumatic conveying devices 7 is two, and the switching control valve 12 is a Y-type pneumatic three-way switching control valve. The two mixed material pipeline closed pneumatic conveying devices 7 are respectively connected to the two inlets of the switching control valve 12, and one of them is used to convey the mixture in the mixed material pipeline closed pneumatic conveying device 7, that is, the three-way switching control valve 12 can only allow the mixed material in one of the mixed material pipeline closed pneumatic conveying devices 7 to flow to the downstream of the three-way switching control valve 12, thereby ensuring the sealing switching while preventing the material from being backflowing.

[0040] The mixed material pipeline closed pneumatic conveying system also includes a bidirectional feeding conveyor 8, which is arranged above the two mixed material pipeline closed pneumatic conveying devices 7 and can feed the material receiving components 1 of the two mixed material pipeline closed pneumatic conveying devices 7.

[0041] The mixed material pipeline closed pneumatic conveying system also includes an air compressor 9 and an air tank 10. The air compressor 9 provides high-pressure air for the mixed material pipeline closed pneumatic conveying device 7, and transmits the compressed air to the air tank 10 through the air supply and delivery pipe 14. The air tank 10 then transmits high-pressure air to the two mixed material pipeline closed pneumatic conveying devices 7 through the air supply and delivery pipe 14. In one embodiment, an overpressure safety relief valve 15 is installed on the air tank 10 to ensure the internal air pressure safety of the air tank 10.

[0042] The mixed material pipeline closed pneumatic conveying system also includes a receiving container 13, which is connected to the switching control valve 12. After the mixed material is processed by the mixed material pipeline closed pneumatic conveying system, the material is sent from the launching component 3 to the switching control valve 12 via the material conveying pipe 16, and then the mixed material is discharged to the receiving container 13 through the switching control valve 12 for storage.

[0043] The structural functions of the components in the closed pneumatic conveying device 7 for mixed material pipelines provided in this embodiment of the utility model, such as the feed control valve 4, the air sealing structure 5, and the metering device 6, are the same as those of the components in the closed pneumatic conveying system for mixed material pipelines in the above-mentioned embodiments of the utility model, and their repeated description will be omitted here.

[0044] The utility model relates to a closed pneumatic conveying device for a mixed material pipeline and a closed pneumatic conveying system for a mixed material pipeline. High-viscosity and high-water-content mixed materials in the mixed material pipeline are conveyed over long distances and at high lifts by high-pressure gas, so as to maintain the stable operation of the closed pneumatic conveying system for the mixed material pipeline. Quantitative conveying of materials is achieved by automatic weight measurement, and residual materials inside the closed pneumatic conveying device for the mixed material pipeline are monitored, thereby effectively ensuring the safe transmission of materials in the closed pneumatic conveying device for the mixed material pipeline, and preventing overflow of the closed pneumatic conveying device for the mixed material pipeline. The utility model adopts two closed pneumatic conveying devices for mixed material pipelines to automatically and alternately emit mixed materials, so as to achieve continuous feeding and replenishment, so that the entire material conveying process is continuous and stable.

[0045] It should be understood that the above specific embodiments of the present invention are only used to illustrate or explain the principles of the present invention, and do not constitute a limitation on the present invention. Therefore, any modifications, equivalent substitutions, improvements, etc. made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. In addition, the claims attached to the present invention are intended to cover all changes and modifications that fall within the scope and boundaries of the attached claims, or the equivalent forms of such scope and boundaries.

[0046] The present invention has been described above with reference to the embodiments of the present invention. However, these embodiments are for illustrative purposes only and are not intended to limit the scope of the present invention. The scope of the present invention is defined by the appended claims and their equivalents. Without departing from the scope of the present invention, a person skilled in the art may make various substitutions and modifications, which should all fall within the scope of the present invention.

[0047] Those skilled in the art will appreciate that the embodiments of the present invention may be provided as methods, systems, or computer program products. Therefore, the present invention may be in the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware. Moreover, the present invention may be in the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer-usable program codes.

[0048] These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing device to operate in a specific manner, so that the instructions stored in the computer-readable memory produce an article of manufacture comprising an instruction device, which implements the process Figure 1 A process or multiple processes and / or boxes Figure 1 A function specified in one or more boxes.

[0049] These computer program instructions can also be loaded onto a computer or other programmable data processing device so that a series of operating steps are executed on the computer or other programmable device to produce a computer-implemented process, thereby providing instructions for implementing the process. Figure 1 A process or multiple processes and / or boxes Figure 1 The steps for the functions specified in one or more boxes.

Claims

1. A closed pneumatic conveying device for high-viscosity mixed material pipeline, characterized in that: The closed pneumatic conveying device for mixed material pipeline comprises a material receiving component, an air sealing structure, a metering device and a launching component, wherein the material receiving component is used to receive the mixed material; the air sealing structure is arranged at the air source connection port to provide effective conveying air pressure protection for the launching component; the metering device is arranged on the launching component to set the launching conditions that the launching component needs to meet; The launching component is connected to the material receiving component and is provided with a gas source connection port for communicating with a gas source. The launching component is configured to launch the mixed material conveyed from the material receiving component under the gas pressure of the gas source.

2. The closed pneumatic conveying device for mixed material pipeline according to claim 1, characterized in that: The material receiving component is provided with a feed control valve for controlling the feed.

3. The closed pneumatic conveying device for mixed material pipeline according to claim 1, characterized in that: The launching component conveys the mixed material to the material conveying pipe through the high-pressure gas conveyed by the air-sealing structure and the weight condition set by the metering device.

4. The closed pneumatic conveying device for mixed material pipeline according to claim 3, characterized in that: The metering device is composed of one or more groups of weighing sensors, and the weighing sensors are used to measure and weigh the conveyed mixed material. When the mixed material is greater than a predetermined weight, the launching component launches the mixed material into the material conveying pipe.

5. The closed pneumatic conveying device for mixed material pipeline according to any one of claims 1 to 4, characterized in that: The gas source includes an air compressor and an air storage tank, and the air compressor is connected to the gas source connection port through the air storage tank.

6. A closed pneumatic conveying system for high-viscosity mixed materials pipeline, characterized in that: The closed pneumatic conveying system for the mixed material pipeline comprises at least two closed pneumatic conveying devices for the mixed material pipeline according to any one of claims 1 to 5 and a switching control valve, wherein the switching control valve is respectively connected to all the closed pneumatic conveying devices for the mixed material pipeline and selects one of the closed pneumatic conveying devices for the mixed material pipeline to be connected to the mixed material pipeline for material conveying when the mixed material is being conveyed.

7. The closed pneumatic conveying system for mixed material pipeline according to claim 6, characterized in that: The number of the closed pneumatic conveying devices for the mixed material pipeline is two, the switching control valve is a three-way switching control valve, and the two closed pneumatic conveying devices for the mixed material pipeline are respectively connected to the two inlets of the three-way switching control valve.

8. The closed pneumatic conveying system for mixed material pipeline according to claim 6, characterized in that: The mixed material pipeline closed pneumatic conveying system further comprises a bidirectional feeding conveyor, which is configured to feed the material receiving components of the two mixed material pipeline closed pneumatic conveying devices.

9. The closed pneumatic conveying system for mixed material pipeline according to claim 7, characterized in that: The closed pneumatic conveying system for the mixed material pipeline also includes a receiving container, which is connected to the switching control valve.

10. The closed pneumatic conveying system for mixed material pipeline according to claim 6, characterized in that: The mixed material pipeline closed pneumatic conveying system is a food waste mixed material conveying system.

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