Pipeline for compounding multiple materials and mother pipe cleaning device thereof

Abstract

The utility model discloses a pipeline for compounding multiple materials and a mother pipe cleaning device thereof, a mother pipe is fixed on one side of a compounding tank through a mother pipe supporting and positioning device, and the mother pipe supporting and positioning device can keep the mother pipe in a position state that one end of the mother pipe is lower than the other end of the mother pipe all the time. At least one branch pipe is communicated with the other end of the main pipe so that materials in a material storage tank can enter the main pipe through the branch pipes, a water outlet of a cleaning water tank of the main pipe cleaning device is communicated with a water inlet of a dissolved air tank to supply cleaning water, an air compressor can pump high-pressure air into the dissolved air tank, and a water outlet of the dissolved air tank is communicated with the other end of the main pipe through a cleaning pipeline. The servo electric valve can open or close the cleaning pipeline, the flow speed detection device can transmit flow speed data of liquid in the main pipe to the controller, the controller controls the servo electric valve, the cleaning pump and the air compressor to work, the material in the main pipe can be prevented from flowing back to the branch pipe, the main pipe can be fully cleaned, the material compounding efficiency is improved, and the cleaning cost is reduced. And product pollution is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a multi -material compounding technical field especially a pipeline and its mother tube cleaning device for multi -material compounding. BACKGROUND

[0002] It is a common processing mode to mix and compound multiple materials according to certain proportions according to a formula, which is especially suitable for large-scale and high-consumption industries or products. The implementation mode of solid products is usually to convey multiple solid materials to a mixing device through mechanical conveying equipment such as a screw conveyor, which is simple and clear in cleaning definition. The implementation mode of liquid products is usually to convey each material to a compounding tank through a pump and a pipeline.

[0003] The compounding of liquid products is usually composed of multiple liquid material storage tanks and one compounding tank. Due to limitations such as site, investment, and the number of feed inlets of the compounding tank itself, it is also a common design to use a pipeline for multiple materials to enter the compounding tank. This situation is easy to cause material residues and adhesion and agglomeration in the pipeline, reduce the effective cross-sectional area of the pipeline, and more seriously cause cross-contamination of materials and contamination between products, affecting product quality. Most shared pipelines only have a vent pipe or are simply flushed with water, which requires manual operation each time, not only making it difficult to perform the operation, but also making it difficult to control the flushing effect and cleanliness, especially when the temperature is low or the material viscosity is high.

[0004] Therefore, the existing large-scale compounding shared pipeline has the following problems:

[0005] 1) Poor applicability of pipeline planning and cleaning design, high cleaning frequency, and unsatisfactory cleaning effect;

[0006] 2) Manual operation is required for pipeline cleaning, which is time-consuming and labor-intensive;

[0007] 3) Pipeline cleaning is not timely, which can cause material residues and adhesion and agglomeration in the pipeline, cause cross-contamination of materials and contamination between products, and affect product quality. INVENTION CONTENTS

[0008] In order to overcome the above defects, the utility model provides a pipeline and its mother tube cleaning device for multi -material compounding, which can effectively improve the material compounding production efficiency and avoid product contamination.

[0009] The utility model discloses in order to solve its technical problem adopts technical scheme: a pipeline for multiple material compounding, including one end with material storage jar intercommunication's branch pipe and one end with compounding jar intercommunication's main pipe, still including main pipe support positioning device, the main pipe is fixed and positioned in the one side of compounding jar through main pipe support positioning device, and main pipe support positioning device can keep the main pipe always in the position state of one end height lower than the other end height unchangeable, at least one branch pipe other end with the other end intercommunication of mother end, material storage jar can enter the other end in the main pipe through branch pipe with material.

[0010] As a further improvement of the utility model, the other end opening of the main pipe is a washable port capable of being opened and closed, the washable port can be communicated with a washing pipeline of a washing device to realize washing of the main pipe, at least one feeding hole is arranged on the circumferential outer wall of the other end of the main pipe, and each feeding hole is located on the upper wall of the main pipe, and the other end of the at least one branch pipe is communicated with the feeding hole of the main pipe.

[0011] As a further improvement of the utility model, a tee joint is further arranged, one end of the tee joint is communicated with the other end of the main pipe, the other end of the tee joint forms a washable port communicated with a washing pipeline of a washing device, and a middle passage of the tee joint forms a feeding hole communicated with the branch pipe.

[0012] As a further improvement of the utility model, a flow rate detection device is further arranged in the main pipe, and the flow rate detection device can detect the flow rate of liquid in the main pipe.

[0013] As a further improvement of the utility model, the main pipe support positioning device comprises a fixed seat, a movable seat and an adjusting positioning device, the movable seat is movably mounted on the fixed seat, the main pipe is fixedly mounted on the movable seat, the movable seat can move on the fixed seat to change the inclination angle of the main pipe, and the adjusting positioning device can stop and position the movable seat and the fixed seat at any position to keep the inclination angle of the main pipe unchanged.

[0014] A main pipe washing device comprises a washing water tank, a washing pump, a gas dissolving tank, an air compressor, a washing pipeline and a controller, the washing water tank is used for containing washing water, the water outlet of the washing water tank is communicated with the water inlet of the gas dissolving tank through a pipeline, the air outlet of the air compressor is communicated with the air inlet of the gas dissolving tank through an air pipe, the washing pump can pump the washing water in the washing water tank into the gas dissolving tank, the air compressor can inject high-pressure air into the gas dissolving tank, the water outlet of the gas dissolving tank is communicated with the washable port of the other end of the main pipe through the washing pipeline, a servo electric valve is arranged in the washing pipeline, the servo electric valve can open or close the washing pipeline, the flow rate detection device in the main pipe can communicate with the controller to transmit the flow rate data of liquid in the main pipe, the controller can control the opening and closing of the servo electric valve, and the controller can also control the start and stop of the washing pump and the air compressor.

[0015] As a further improvement of the utility model, the gas dissolving tank is further provided with a first liquid level detection device, the first liquid level detection device can detect the liquid level height in the gas dissolving tank, the first liquid level detection device communicates with the controller to transmit the liquid level height information in the gas dissolving tank.

[0016] As a further improvement of the utility model, the gas dissolving tank is further provided with a pressure sensor, the pressure sensor can detect the gas pressure value in the gas dissolving tank, the pressure sensor communicates with the controller to transmit the gas pressure data information in the gas dissolving tank.

[0017] As a further improvement of the utility model, the cleaning water tank is further provided with a heating device and a water temperature detection device, the heating device can heat the cleaning water in the cleaning water tank, the water temperature detection device can detect the cleaning water temperature in the cleaning water tank, the water temperature detection device communicates with the controller to transmit the cleaning water temperature data information in the cleaning water tank, and the controller controls the heating device to start and stop working.

[0018] As a further improvement of the utility model, the cleaning water tank is further provided with a second liquid level detection device, the second liquid level detection device can detect the liquid level height of the cleaning water in the cleaning water tank, and the second liquid level detection device communicates with the controller to transmit the liquid level height information of the cleaning water in the cleaning water tank.

[0019] The utility model discloses a mother pipe cleaning device for multi-material compounding, which comprises a mother pipe, a plurality of branch pipes and a cleaning device, wherein the mother pipe is provided with a plurality of branch pipes, the cleaning device is connected to the mother pipe, and the cleaning device is used for cleaning the mother pipe. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the main view of the utility model's pipeline for multi-material compounding.

[0021] Figure 2 It is the structure principle schematic diagram of the utility model's mother pipe cleaning device. DETAILED DESCRIPTION

[0022] Embodiment: a pipeline for multi-material compounding, comprising a branch pipe 1 communicating with a material storage tank at one end and a main pipe 2 communicating with a compounding tank at one end, further comprising a main pipe 2 supporting and positioning device, the main pipe 2 is fixed and positioned at one side of the compounding tank through the main pipe 2 supporting and positioning device, and the main pipe 2 supporting and positioning device can keep the main pipe 2 always in a position state that one end is lower than the other end, at least one branch pipe 1 communicates with the other end of the main pipe 2, and the material in the material storage tank can enter the other end of the main pipe 2 through the branch pipe 1.

[0023] The main pipe 2 is extended in an inclined state by the main pipe 2 supporting and positioning device, the optimal design of the inclination angle of the main pipe 2 is 3-5°, and all branch pipes 1 are integrated into the main pipe 2 from the other end of the main pipe 2, which can avoid the backflow of the material in the main pipe 2 due to gravity, thereby avoiding the material in the main pipe 2 from flowing back into the branch pipe 1, reducing the cleaning frequency, facilitating the emptying of the material in the main pipe 2, and improving the cleaning effect.

[0024] The opening at the other end of the main pipe 2 is a cleaning port 21 that can be opened and closed, the cleaning port 21 can communicate with the cleaning pipeline 15 of the cleaning device to realize cleaning of the main pipe 2, at least one feeding hole is arranged on the circumferential outer side wall of the other end of the main pipe 2, each feeding hole is located on the upper wall of the main pipe 2, and the other end of at least one branch pipe 1 communicates with the feeding hole of the main pipe 2. All branch pipes 1 are integrated into the main pipe 2 from the upper part of the main pipe 2, which further avoids the backflow of the material in the main pipe 2 due to gravity.

[0025] A tee joint 22 is further arranged, one end of the tee joint 22 communicates with the other end of the main pipe 2, the other end of the tee joint 22 forms a cleaning port 21 communicating with the cleaning pipeline 15 of the cleaning device, and the middle passage of the tee joint 22 forms a feeding hole communicating with the branch pipe 1. The tee joint 22 is adopted to facilitate the connection of the pipeline, the tee joint 22 can be a plurality of tee joints arranged axially along the main pipe 2, or can be one tee joint arranged at the other end of the main pipe 2, and the middle passage of the tee joint 22 can also be connected with a plurality of branch pipes 1 through a multi-channel pipe joint.

[0026] A flow rate detection device 12 is further arranged in the main pipe 2, and the flow rate detection device 12 can detect the flow rate of the liquid in the main pipe 2. The flow rate detection device 12 is preferably an online flow rate meter, which can detect the flow rate of the liquid in the main pipe 2 in real time, which is conducive to the control of the flow rate of the liquid in the main pipe 2, and can also be used to judge whether the feeding in the main pipe 2 is finished or whether there is a blockage in the main pipe 2, and further judge whether the main pipe 2 needs to be cleaned.

[0027] The mother pipe 2 supporting and positioning device comprises a fixed seat, a movable seat and an adjusting and positioning device, the movable seat is movably installed on the fixed seat, the mother pipe 2 is fixedly installed on the movable seat, the movable seat moves on the fixed seat to change the inclination angle of the mother pipe 2, and the adjusting and positioning device can stop and position the movable seat at any position on the fixed seat to keep the inclination angle of the mother pipe 2 unchanged after adjustment. The movable seat can be hinged on the fixed seat, the inclination angle of the mother pipe 2 is adjusted by rotating the movable seat, or the movable seat can be slidably installed on the fixed seat, the height of the other end of the mother pipe 2 is adjusted by sliding the movable seat, and then the inclination angle of the mother pipe 2 is adjusted, the adjusting and positioning device can be a manual device (such as a locking screw, a quick clamp, etc.), or an electric or pneumatic device (such as a motor, an electric cylinder or a pneumatic cylinder for driving the movable seat to move), and the inclination angle of the mother pipe 2 is adjusted to adapt to the feeding and flushing of raw materials with different viscosities.

[0028] A mother pipe cleaning device comprises a cleaning water tank 3, a cleaning pump 4, a dissolved air tank 6, an air compressor 5, a cleaning pipeline 15 and a controller 7, the cleaning water tank 3 is used for containing cleaning water, the water outlet of the cleaning water tank 3 is communicated with the water inlet of the dissolved air tank 6 through a pipeline, the air outlet of the air compressor 5 is communicated with the air inlet of the dissolved air tank 6 through an air pipe, the cleaning pump 4 can pump the cleaning water in the cleaning water tank 3 into the dissolved air tank 6, the air compressor 5 can inject high-pressure air into the dissolved air tank 6, the water outlet of the dissolved air tank 6 is communicated with the cleaning port 21 at the other end of the mother pipe 2 through the cleaning pipeline 15, a servo electric valve 13 is arranged in the cleaning pipeline 15, the servo electric valve 13 can open or close the cleaning pipeline 15, the flow rate detection device 12 in the mother pipe 2 can communicate with the controller 7 to transmit the liquid flow rate data in the mother pipe 2, the controller 7 can control the opening and closing of the servo electric valve 13, and the controller 7 can also control the starting and stopping of the cleaning pump 4 and the air compressor 5.

[0029] The cleaning pump 4 is preferably a variable frequency cleaning pump 4, the air compressor 5 is preferably a constant pressure air compressor 5, and the controller 7 is preferably a PLC control device, an automatic control program is input on the PLC control device, when the mother pipe 2 is used to mix multiple liquid materials, the flow rate detection device 12 is used to detect the flow rate of the mother pipe 2 in real time, when the flow rate of the mother pipe 2 is higher or lower than the set interval value, the PLC control device automatically starts the cleaning process, the automatic starting and stopping of the cleaning device is realized without manual operation, the pipeline of the mother pipe 2 is cleaned in time, the material is prevented from caking in the pipeline, the cleanliness of the pipeline of the mother pipe 2 is ensured, before cleaning, high-pressure gas and cleaning water are injected into the dissolved air tank 6, so that the cleaning water contains a large number of bubbles, and then the cleaning water containing a large number of bubbles is used to flush the wall of the mother pipe 2 at high speed under the action of high pressure, and the cleaning effect of the pipeline is improved.

[0030] The first liquid level detection device 11 can detect the liquid level height in the dissolved air tank 6, and the first liquid level detection device 11 communicates with the controller 7 to transmit the liquid level height information in the dissolved air tank 6.

[0031] Before cleaning, the first liquid level detection device 11 detects the liquid level height in the dissolved air tank 6, and when the liquid level height in the dissolved air tank 6 reaches the set height, the servo electric valve 13 is opened for flushing, ensuring that there is enough cleaning water to fully clean the pipe side wall of the mother pipe 2. The first liquid level detection device 11 is preferably a dissolved air float ball, and the water inlet position of the dissolved air tank 6 is preferably lower than the installation position of the dissolved air float ball. When the water level in the dissolved air tank 6 rises to the position of the dissolved air float ball, the dissolved air float ball rises under the action of the cleaning water buoyancy and drives the swing rod to swing, sending a signal to the controller 7. The dissolved air float ball is low in price and high in detection accuracy.

[0032] The dissolved air tank 6 is also provided with a pressure sensor 14, which can detect the air pressure value in the dissolved air tank 6, and the pressure sensor 14 communicates with the controller 7 to transmit the air pressure data information in the dissolved air tank 6. The pressure sensor 14 is preferably an online pressure instrument. The air compressor 5 blows high-pressure gas into the dissolved air tank 6, and the online pressure instrument detects the air pressure value in the dissolved air tank 6 in real time and uploads the pressure signal to the controller 7, which controls the start and stop of the air compressor 5 to control the air pressure in the dissolved air tank 6 to the design pressure.

[0033] The cleaning water tank 3 is also provided with a heating device 10 and a water temperature detection device 9. The heating device 10 can heat the cleaning water in the cleaning water tank 3, and the water temperature detection device 9 can detect the temperature of the cleaning water in the cleaning water tank 3. The water temperature detection device 9 communicates with the controller 7 to transmit the cleaning water temperature data information in the cleaning water tank, and the controller 7 controls the start and stop of the heating device 10. The heating device 10 is preferably a heating coil at the bottom of the cleaning water tank 3, and the water temperature detection device 9 is preferably an online thermometer. The cleaning water is heated by the heating coil, and the online thermometer detects the cleaning water temperature in real time. Finally, the cleaning water temperature is adjusted to be greater than 50℃, and the high-temperature cleaning water is used to flush the pipe side wall of the mother pipe 2, which can completely remove the viscous material adhering to the pipe side wall of the mother pipe 2.

[0034] The cleaning water tank 3 is also provided with a second liquid level detection device 8, which can detect the liquid level of the cleaning water in the cleaning water tank 3. The second liquid level detection device 8 communicates with the controller 7 to transmit the liquid level information of the cleaning water in the cleaning water tank 3. The second liquid level detection device 8 is preferably an online liquid level meter extending along the height direction of the cleaning water tank 3. The second liquid level detection device 8 monitors the liquid level change of the cleaning water in the cleaning water tank 3 in real time. When it detects that the liquid level of the cleaning water in the cleaning water tank 3 is lower than the designed liquid level, it sends a low liquid level signal to the controller 7, so that the controller 7 timely closes the variable frequency cleaning pump 4, the constant pressure air compressor 5 and the servo motor valve 13, ends the cleaning process, and also facilitates the worker to know the cleaning water amount in the cleaning water tank 3 in real time, so as to timely add cleaning water.

[0035] The cleaning process of the mother pipe 2 cleaning device on the mother pipe 2 is as follows:

[0036] After setting the automatic program, the cleaning program is automatically run, and the running logic is as follows:

[0037] When the online flow meter detects abnormal online flow data, the heating coil is started, the online temperature meter transmits the temperature signal, the PLC control equipment adjusts the water temperature to be greater than 50℃, the servo motor valve 13 is closed, the constant pressure air compressor 5 is started, the online pressure meter transmits the pressure signal, the PLC control equipment adjusts the gas pressure in the gas tank 6 to the designed pressure, the variable frequency cleaning pump 4 is started, and when the dissolved gas float ball receives the normal liquid level signal, the servo motor valve 13 is opened, the PLC control equipment adjusts the frequency of the variable frequency cleaning pump 4 and the opening degree of the servo motor valve 13 according to the flow signal of the online flow meter, controls the cleaning water flow rate to be greater than 2m / S, until the online liquid level meter receives the low liquid level signal, the variable frequency cleaning pump 4 is closed, the constant pressure air compressor 5 is closed, the online pressure meter transmits the low pressure signal, the servo motor valve 13 is closed, and the cleaning process is completed.

[0038] If the online flow data is still abnormal, repeat the above operation.

Claims

1. A pipeline for compounding multiple materials, comprising a branch pipe (1) connected at one end to a material storage tank and a main pipe (2) connected at one end to a compounding tank, characterized in that: It also includes a main pipe support and positioning device, which fixes the main pipe to one side of the compounding tank. The main pipe support and positioning device can keep the main pipe in a position where one end is lower than the other end. At least one branch pipe is connected to the other end of the main pipe, and the material in the material storage tank can enter the other end of the main pipe through the branch pipe.

2. The pipeline for multi-material compounding according to claim 1, characterized in that: The other end of the main pipe is a cleaning port (21) that can be opened and closed. The cleaning port can be connected to the cleaning pipe of the cleaning device to clean the main pipe. At least one feed hole is provided on the outer circumferential wall of the other end of the main pipe, and each feed hole is located on the upper pipe wall of the main pipe. The other end of at least one branch pipe is connected to the feed hole of the main pipe.

3. The pipeline for multi-material compounding according to claim 2, characterized in that: It is also equipped with a three-way pipe joint (22), one end of which is connected to the other end of the main pipe, and the other end of which forms a cleaning port connected to the cleaning pipe of the cleaning device. The middle channel of the three-way pipe joint forms a feed hole connected to the branch pipe.

4. The pipeline for multi-material compounding according to claim 2, characterized in that: The main pipe is also equipped with a flow rate detection device (12), which can detect the flow rate of the liquid in the main pipe.

5. The pipeline for multi-material compounding according to claim 1, characterized in that: The main tube support and positioning device includes a fixed seat, a movable seat, and an adjustment and positioning device. The movable seat is movably mounted on the fixed seat, and the main tube is fixedly mounted on the movable seat. The movement of the movable seat on the fixed seat can change the tilt angle of the main tube. The adjustment and positioning device can stop and position the movable seat, which has moved to any position, with the fixed seat so that the main tube remains at the adjusted tilt angle.

6. A main pipe cleaning device for cleaning the pipeline used for multi-material compounding as described in claim 1, characterized in that: The system includes a cleaning water tank (3), a cleaning pump (4), a dissolved air tank (6), an air compressor (5), a cleaning pipeline (15), and a controller (7). The cleaning water tank is used to hold cleaning water. The outlet of the cleaning water tank is connected to the inlet of the dissolved air tank through a pipeline. The exhaust port of the air compressor is connected to the air inlet of the dissolved air tank through an air pipe. The cleaning pump can pump the cleaning water in the cleaning water tank into the dissolved air tank. The air compressor can inject high-pressure air into the dissolved air tank. The outlet of the dissolved air tank is connected to the cleaning port at the other end of the main pipe through the cleaning pipeline. The cleaning pipeline is equipped with a servo electric valve (13). The servo electric valve can open or close the cleaning pipeline. The flow rate detection device in the main pipe can communicate with the controller to transmit the liquid flow rate data in the main pipe. The controller can control the opening and closing of the servo electric valve. The controller can also control the start and stop of the cleaning pump and the air compressor.

7. The mother pipe cleaning device according to claim 6, characterized in that: The dissolved gas tank is also equipped with a first liquid level detection device (11), which can detect the liquid level height in the dissolved gas tank and communicate with the controller to transmit the liquid level height information in the dissolved gas tank.

8. The mother pipe cleaning device according to claim 6, characterized in that: The dissolved gas tank is also equipped with a pressure sensor (14), which can detect the gas pressure value inside the dissolved gas tank. The pressure sensor communicates with the controller to transmit the gas pressure data information inside the dissolved gas tank.

9. The mother pipe cleaning device according to claim 6, characterized in that: The cleaning water tank is also equipped with a heating device (10) and a water temperature detection device (9). The heating device can heat the cleaning water in the cleaning water tank, and the water temperature detection device can detect the temperature of the cleaning water in the cleaning water tank. The water temperature detection device communicates with the controller to transmit the temperature data of the cleaning water in the cleaning water tank, and the controller controls the heating device to start and stop working.

10. The mother tube cleaning device according to claim 6, characterized in that: The cleaning water tank is also equipped with a second liquid level detection device (8). The second liquid level detection device can detect the liquid level height of the cleaning water in the cleaning water tank. The second liquid level detection device communicates with the controller to transmit the liquid level height information of the cleaning water in the cleaning water tank.

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