Pneumatic conveying pipeline sampler and automatic sampling system
By designing a pneumatic conveying pipeline sampler and an automatic sampling system, the problem of difficult manual operation in pneumatic conveying pipeline sampling was solved, realizing an automated and controllable sampling process, ensuring sample representativeness and testing accuracy, and reducing labor intensity and environmental risks.
Patent Information
- Application Number
- CN202422844195.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-20
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-11-20
AI Technical Summary
In existing technologies, sampling through pneumatic conveying pipelines presents problems such as difficulties in manual operation, poor environmental conditions, uneven sample distribution, lack of representativeness, and impact on test results, leading to inaccurate production and economic losses for enterprises.
Design a pneumatic conveying pipeline sampler, including a sampling execution component, a sample storage mechanism, and a controller. The automated sampling execution component works in conjunction with the sample storage mechanism to achieve automated sampling and store the sample in a closed sample storage container. Combined with a sandwich filter and a pressure regulating valve, the sample volume is controllable and the sample is representative.
It enables automated sampling, reduces manual labor intensity, ensures the accuracy of test results, reduces environmental pollution, and improves the precision of production guidance.
Smart Images
Figure CN223611194U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to raw material sampling technical field especially relates to a kind of pneumatic conveying pipeline sampler and automatic sampling system. BACKGROUND
[0002] In production, the current incoming raw materials need to be sampled in real time during the process of raw materials entering the factory and being stored, and sample quality analysis is performed to ensure quality management of the production process. In practice, some enterprises try to use tank truck delivery for powder materials in order to save packaging and transportation costs, and tank truck unloading is through pipeline high-pressure pneumatic conveying into the warehouse.
[0003] Currently, for the sampling of pipeline samples of pneumatic conveying, a branch pipe with a manual gate valve is generally welded in the conveying pipeline for sampling. Manual opening and closing of the gate valve for instantaneous sampling is prone to dust, poor environment, uncontrollable sampling amount, no representativeness, high labor intensity, and may cause dust inhalation and threaten the health of workers. The obtained sample is not uniform and representative, which significantly affects the test results, cannot effectively guide normal production of enterprises, and causes unnecessary economic losses to enterprises. SUMMARY
[0004] The utility model solves the technical problem of the prior art, and provides a pneumatic conveying pipeline sampler and an automatic sampling system.
[0005] The technical solution for solving the above technical problem is as follows: a pneumatic conveying pipeline sampler, comprising a stock bin for storing raw materials, a pneumatic conveying pipeline, a sampling execution assembly, and a sample storage mechanism. One end of the pneumatic conveying pipeline serves as a pneumatic conveying inlet and is in communication with an external raw material unloading bin. The other end of the pneumatic conveying pipeline is in communication with the stock bin. A sampling inlet pipe is provided on the pneumatic conveying pipeline in communication. One end of the sampling inlet pipe, which is away from the pneumatic conveying pipeline, is in communication with the sampling execution assembly. The sampling execution assembly is in communication with one end of a sampling outlet pipe. The other end of the sampling outlet pipe is in communication with the sample storage mechanism. The sampling execution assembly is in communication with an external air source to sample the raw materials in the pneumatic conveying pipeline and blow the residual raw materials in the sampling inlet pipe into the pneumatic conveying pipeline after sampling is completed.
[0006] The utility model discloses a pneumatic conveying pipeline sampler, through setting up the sampling execution subassembly with the pneumatic conveying pipeline intercommunication, and cooperate the sampling sampling feed pipe and sampling discharge pipe, can realize the synchronous even material taking in the unloading process, and all sample is saved to the completely closed sampling barrel, does not blow dust, and the sampling amount is controllable, realizes the automation sampling, greatly reduces the manual labor intensity, effectively guarantees the accuracy of the inspection result, and accurately guides the enterprise production and operation.
[0007] On the basis of the above technical scheme, the utility model still can make following improvement:
[0008] Further: the pneumatic conveying pipeline is provided with the interlayer filter screen, and the communication of the sampling feed pipe and the pneumatic conveying pipeline is located between the interlayer filter screen and the other end of the pneumatic conveying pipeline.
[0009] The beneficial effect of the above further scheme is: through setting up the interlayer filter screen, the raw materials entering the pneumatic conveying pipeline can be filtered, to ensure that the raw materials entering the stock bin meet the requirements, facilitating subsequent production.
[0010] Further: the pneumatic conveying pipeline sampler further includes a pressure regulating valve, which is arranged on the sampling feed pipe and can adjust the air pressure in the sampling feed pipe.
[0011] The beneficial effect of the above further scheme is: through setting up the pressure regulating valve, the pressure in the sampling feed pipe can be adjusted according to actual needs during sampling, so as to adjust the speed and sampling amount, which is very convenient.
[0012] Further: the sampling execution subassembly includes a sampling execution body, a discharge valve, a sampling electromagnetic valve and a sample cleaning electromagnetic valve, the feed inlet of the sampling execution body is communicated with one end of the sampling feed pipe away from the pneumatic conveying pipeline, the discharge valve is arranged in the sampling execution body and located between the feed inlet and the discharge outlet of the sampling execution body, the discharge outlet of the sampling execution body is communicated with one end of the sampling discharge pipe, the sampling electromagnetic valve and the sample cleaning electromagnetic valve are respectively communicated with the sampling execution body, the sampling electromagnetic valve and the sample cleaning electromagnetic valve are respectively communicated with an external air source, the sampling electromagnetic valve is electrically connected with the discharge valve and controls the opening or closing of the discharge valve, and the sample cleaning electromagnetic valve is communicated with one end of the sampling feed pipe away from the pneumatic conveying pipeline via the sampling execution body.
[0013] The beneficial effect of the further scheme is that the opening and closing of the sampling channel can be realized by controlling the opening and closing of the discharge valve by the sampling electromagnetic valve, so that the sampling execution body can be controlled to sample or stop sampling, and after sampling, the discharge valve is closed and the sample remaining in the sampling feed pipe is blown into the pneumatic conveying pipeline by opening the sample cleaning electromagnetic valve, thereby facilitating the sampling of the next batch of raw materials.
[0014] Further, the discharge port of the sampling execution body and one end of the sampling discharge pipe are detachably connected by a pipe clamp.
[0015] The beneficial effect of the further scheme is that the sampling discharge pipe can be conveniently installed and maintained, and the sampling discharge pipe can be replaced.
[0016] Further, the sample storage mechanism comprises a sample storage body, a sample storage barrel is arranged in the sample storage body, the other end of the sampling discharge pipe extends into the sample storage body and communicates with the sample storage barrel, a side door which can be opened or closed is arranged on one side surface of the sample storage body, a lock catch is arranged on the side of the sample storage body on the side of the side door, and when the side door is closed, the lock catch can lock the side door, so that a completely closed sample storage space is formed in the sample storage body.
[0017] The beneficial effect of the further scheme is that the sample storage barrel can be taken out of the sample storage body after sampling, so that the sampling sample can be transferred, and the lock catch can ensure that a completely closed sample storage space is formed in the sample storage body, thereby ensuring the accuracy of the sampling sample.
[0018] The utility model also provides a pneumatic conveying pipeline automatic sampling system, including controller and pneumatic conveying pipeline sampler, the controller with sampling execution component electricity is connected.
[0019] The pneumatic conveying pipeline automatic sampling system can realize automatic remote control of the whole device through the controller, greatly improves the convenience of operation, and facilitates the staff to be away from the work site, reduces the labor intensity and ensures the health of the workers, and is very convenient. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 It is the structure schematic drawing of pneumatic conveying pipeline sampler of an embodiment of the utility model;
[0021] Figure 2 It is the structure schematic drawing of pneumatic conveying pipeline automatic sampling system of an embodiment of the utility model.
[0022] The attached diagram lists the components represented by each number as follows:
[0023] 1. Silo, 2. Pneumatic conveying pipeline, 3. Sampling execution unit, 4. Sample storage tank, 5. Sampling feed pipe, 6. Sampling discharge pipe, 7. Jacketed filter screen, 8. Pressure regulating valve, 9. Sampling execution body, 10. Discharge valve, 11. Sampling solenoid valve, 12. Cleaning solenoid valve, 13. Sample body, 14. Side door, 15. Lock, 16. Sample storage tank, 17. Controller, 18. Flange. Detailed Implementation
[0024] The principles and features of this utility model are described below with reference to the accompanying drawings. The examples given are only for explaining this utility model and are not intended to limit the scope of this utility model.
[0025] like Figure 1 As shown, a pneumatic conveying pipeline sampler includes a silo 1 for storing raw materials, a pneumatic conveying pipeline 2, a sampling execution component 3, and a sample storage mechanism 4. One end of the pneumatic conveying pipeline 2 serves as a pneumatic conveying inlet connected to an external raw material unloading silo, and the other end of the pneumatic conveying pipeline 2 is connected to the silo 1. A sampling inlet pipe 5 is connected to the pneumatic conveying pipeline 2. The end of the sampling inlet pipe 5 away from the pneumatic conveying pipeline 2 is connected to the sampling execution component 3. The sampling execution component 3 is connected to one end of a sampling outlet pipe 6, and the other end of the sampling outlet pipe 6 is connected to the sample storage mechanism 4. The sampling execution component 3 is also connected to an external air source to sample the raw materials in the pneumatic conveying pipeline 2. After sampling, the remaining raw materials in the sampling inlet pipe 5 are blown back into the pneumatic conveying pipeline 2.
[0026] This utility model's pneumatic conveying pipeline sampler, by setting up the sampling execution component 3 connected to the pneumatic conveying pipeline 2, and cooperating with the sampling feed pipe 5 and sampling discharge pipe 6, can achieve synchronous and uniform sampling during the feeding process, and preserve all samples in a completely sealed sampling bucket 4 without dust emission. The sampling volume is controllable, realizing automated sampling, greatly reducing the intensity of manual labor, effectively ensuring the accuracy of test results, and accurately guiding enterprise production and operation.
[0027] In one or more embodiments of this utility model, a sandwiched filter screen 7 is provided on the pneumatic conveying pipe 2, and the connection between the sampling feed pipe 5 and the pneumatic conveying pipe 2 is located between the sandwiched filter screen 7 and the other end of the pneumatic conveying pipe 2. By providing the sandwiched filter screen 7, the raw materials entering the pneumatic conveying pipe 2 can be filtered to ensure that the raw materials entering the silo 1 meet the requirements, facilitating subsequent production.
[0028] In practice, the pneumatic conveying pipeline 2 is classified into two sections, and the connection of the two sections of the pneumatic conveying pipeline 2 is funnel-shaped, the interlayer filter screen 7 is arranged between the two sections of the pneumatic conveying pipeline 2, and the two sections of the pneumatic conveying pipeline 2 are detachably connected, so that replacement can be performed according to different raw materials.
[0029] In one or more embodiments of the utility model, the pneumatic conveying pipeline sampler further comprises a pressure regulating valve 8, the pressure regulating valve 8 is arranged on the sampling feed pipe 5, and the pressure in the sampling feed pipe 5 can be adjusted.
[0030] In order to facilitate control, in the embodiment of the utility model, the pressure regulating valve 8 adopts an electronic pressure regulating valve, which is electrically connected with an external controller, facilitating remote real-time regulation and control.
[0031] In one or more embodiments of the utility model, the sampling execution assembly 3 comprises a sampling execution body 9, a discharge valve 10, a sampling electromagnetic valve 11 and a sample cleaning electromagnetic valve 12, the feed inlet of the sampling execution body 9 is communicated with one end of the sampling feed pipe 5 away from the pneumatic conveying pipeline 2, the discharge valve 10 is arranged in the sampling execution body 9 and located between the feed inlet and the discharge outlet of the sampling execution body 9, the discharge outlet of the sampling execution body 9 is communicated with one end of the sampling discharge pipe 6, the sampling electromagnetic valve 11 and the sample cleaning electromagnetic valve 12 are respectively communicated with the sampling execution body 9, the sampling electromagnetic valve 11 and the sample cleaning electromagnetic valve 12 are respectively communicated with an external gas source, the sampling electromagnetic valve 11 is electrically connected with the discharge valve 10 and controls the discharge valve 10 to open or close, and the sample cleaning electromagnetic valve 12 is communicated with one end of the sampling feed pipe 5 away from the pneumatic conveying pipeline 2 via the sampling execution body 9. By setting the sampling electromagnetic valve 11 to control the opening and closing of the discharge valve 10, the sampling channel can be opened or closed, so that the sampling execution body 9 can be controlled to sample or stop sampling, and after sampling is completed, the discharge valve 10 is closed and the sample cleaning electromagnetic valve 12 is opened, so that the residual sample in the sampling feed pipe 5 is blown into the pneumatic conveying pipeline 2, thereby facilitating the sampling work of the next batch of raw materials.
[0032] In the embodiment of the utility model, the feed inlet and the discharge head of the sampling execution body 9 are respectively connected with adapter pipes through flanges 18, and the adapter pipes corresponding to the feed inlet and the discharge head are respectively communicated with the sampling feed pipe 5 and the sampling discharge pipe 6.
[0033] Optionally, in one or more embodiments of the utility model, the discharge port of the sampling execution body 9 is detachably connected with one end of the sampling discharge pipe 6 through a pipe clamp. By detachably connecting the discharge port of the sampling execution body 9 with one end of the sampling discharge pipe 6 through a pipe clamp, installation and maintenance can be facilitated, so that the sampling discharge pipe 6 can be replaced.
[0034] In order to facilitate installation and maintenance, in practice, the sampling discharge pipe 6 is selected from a plastic hose, so that the two ends thereof can be respectively communicated with the discharge port of the sampling execution body 9 and the sample storage barrel 4.
[0035] In one or more embodiments of the utility model, the sample storage mechanism 4 comprises a sample storage body 13, a sample storage barrel 16 is arranged in the sample storage body 13, the other end of the sampling discharge pipe 6 extends into the sample storage body 13 and is communicated with the sample storage barrel 16, a side door 14 that can be opened or closed is arranged on one side surface of the sample storage body 13, a lock catch 15 is arranged on one side of the sample storage body 13 at the side door 14, and when the side door 14 is closed, the lock catch 15 can lock the side door 14, so that a completely closed sample storage space is formed in the sample storage body 13. By arranging the side door 14, the sample storage barrel 16 can be taken out from the sample storage body 13 after sampling is completed, so that the sampling sample can be transferred, and the side door 14 cooperates with the lock catch 15 to ensure that a completely closed sample storage space is formed in the sample storage body 13, thereby ensuring the accuracy of the sampling sample.
[0036] In order to ensure the sealing effect, in the embodiment of the utility model, a flexible sealing strip is arranged around the inner side frame of the side door, so that when the side door 14 is closed and locked by the lock catch 15, a completely closed sample storage space is formed in the sample storage body 13, thereby avoiding the influence of the external environment on the sample.
[0037] As shown in Figure 2 The utility model discloses still provide a kind of automatic sampling system of pneumatic conveying pipeline, including controller 17 and the pneumatic conveying pipeline sampler of described, and the controller 17 with described sampling execution component 3 electric connection.
[0038] The automatic sampling system of pneumatic conveying pipeline of the utility model, by the controller 17 with described sampling execution component 3 electric connection, so it can be realized that the whole device is automatically remote controlled by the controller 17, greatly improve the convenience of operation, also facilitate staff to be away from work site, reduce manual labor intensity while ensuring the health of work personnel, it is very convenient.
[0039] In practice, the controller 17 adopts an existing 51 series single-chip microcomputer or an STM32 series single-chip microcomputer to control the on-off and / or opening degree of the pressure regulating valve 8, the discharge valve 10, the sampling electromagnetic valve 11 and the sample cleaning electromagnetic valve 12, and the specific control process is prior art, which will not be described here, and this is not the protection range required by the utility model.
[0040] The above merely describes the preferred embodiments of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection range of the utility model.
Claims
1. A pneumatic conveying pipeline sampler characterized by: The device comprises a material bin (1) for storing raw materials, a pneumatic conveying pipeline (2), a sampling execution assembly (3) and a sample storage mechanism (4), one end of the pneumatic conveying pipeline (2) is communicated with an external raw material unloading bin as a pneumatic conveying feeding port, the other end of the pneumatic conveying pipeline (2) is communicated with the material bin (1), a sampling feeding pipe (5) is arranged on the pneumatic conveying pipeline (2) and communicated with the sampling execution assembly (3) at the end away from the pneumatic conveying pipeline (2), the sampling execution assembly (3) is communicated with one end of a sampling discharge pipe (6), the other end of the sampling discharge pipe (6) is communicated with the sample storage mechanism (4), and the sampling execution assembly (3) is communicated with an external air source to sample the raw materials in the pneumatic conveying pipeline (2) and blow the residual raw materials in the sampling feeding pipe (5) into the pneumatic conveying pipeline (2) after sampling is completed.
2. The pneumatic conveying pipe sampler of claim 1, wherein: A sandwich filter screen (7) is arranged on the pneumatic conveying pipeline (2), and the communication position of the sampling feeding pipe (5) and the pneumatic conveying pipeline (2) is between the sandwich filter screen (7) and the other end of the pneumatic conveying pipeline (2).
3. The pneumatic conveying pipe sampler of claim 1, wherein: A pressure regulating valve (8) is further arranged on the sampling feeding pipe (5) and can adjust the air pressure in the sampling feeding pipe (5).
4. The pneumatic conveying pipe sampler of claim 1, wherein: The sampling execution assembly (3) comprises a sampling execution body (9), a discharge valve (10), a sampling electromagnetic valve (11) and a sample cleaning electromagnetic valve (12), the feeding port of the sampling execution body (9) is communicated with the end of the sampling feeding pipe (5) away from the pneumatic conveying pipeline (2), the discharge valve (10) is arranged in the sampling execution body (9) and located between the feeding port and the discharge port of the sampling execution body (9), the discharge port of the sampling execution body (9) is communicated with one end of the sampling discharge pipe (6), the sampling electromagnetic valve (11) and the sample cleaning electromagnetic valve (12) are respectively communicated with the sampling execution body (9), the sampling electromagnetic valve (11) and the sample cleaning electromagnetic valve (12) are respectively communicated with an external air source, the sampling electromagnetic valve (11) is electrically connected with the discharge valve (10) and controls the discharge valve (10) to open or close, and the sample cleaning electromagnetic valve (12) is communicated with the end of the sampling feeding pipe (5) away from the pneumatic conveying pipeline (2) via the sampling execution body (9).
5. The pneumatic conveying pipe sampler of claim 4, wherein: The discharge port of the sampling execution body (9) and one end of the sampling discharge pipe (6) are detachably connected through a pipe clamp.
6. The pneumatic conveying pipe sampler of claim 1, wherein: The sample storage mechanism (4) comprises a sample storage body (13) in which a sample storage barrel (16) is arranged, the other end of the sample discharge pipe (6) extends into the sample storage body (13) and communicates with the sample storage barrel (16), one side surface of the sample storage body (13) is provided with an openable and closable side door (14), a lock catch (15) is arranged on one side of the sample storage body (13) at the side door (14), and when the side door (14) is closed, the lock catch (15) can lock the side door (14) to form a completely closed sample storage space inside the sample storage body (13).
7. A system for automatic sampling of a pneumatic conveying pipeline, characterized by: The pneumatic conveying pipeline sampler comprises a controller (17) and the pipeline sampler according to any one of claims 1-6, and the controller (17) is electrically connected with the sampling execution assembly (3).