CN113558269B - Automatic moisture-exhausting damper control system and control method of air-flow drying machine - Google Patents

Abstract

The invention provides an automatic moisture exhaust damper control system and a control method thereof for an airflow type silk dryer, comprising: a rotating shaft, which penetrates into the moisture exhaust duct and can be rotated relative to the moisture exhaust duct; a damper plate is installed on the On the rotating shaft, the damper plate is located in the moisture exhaust duct, and the damper plate and the moisture exhaust duct are in clearance fit; the driving member is connected with the rotating shaft and can drive the rotating shaft to rotate; the detection device, It is used for detecting the material on the front conveying path; the controller is connected with the driving part, the detecting device and the feeder. The invention can greatly reduce the amount of material sucked into the moisture exhaust pipe, thereby ensuring long-term stable operation of the moisture exhaust system and related equipment, saving material costs and reducing the cost of dredging and maintaining the moisture exhaust pipe.

Description

Automatic moisture-exhausting damper control system and control method of air-flow drying machine

technical field

The invention relates to the technical field of airflow type silk drying machines, in particular to an automatic moisture exhaust damper control system of the airflow type silk drying machine and a control method thereof.

Background technique

There is a manual damper on the pipe connected above the moisture exhaust hood of the feed inlet of the HDT air dryer. Because the process requires a higher setting and position, the manual damper is generally not changed after the setting. Since there is no actual material in the preheating preparation stage of the air-flow drying machine, the simulated material is sprayed with soda and water, which produces the largest amount of overflowing steam. Therefore, the manual damper is set at the moisture exhaust volume that can meet the preheating preparation stage. A larger opening position is required, so as to ensure that no steam escapes into the surrounding environment during the whole process of the air dryer.

However, this setting of the manual damper has obvious disadvantages, that is, when the incoming material arrives at the feed port of the feed end of the air dryer, after the equipment enters the formal production stage, most of the steam is absorbed by the material, and the overflow is greatly reduced. At this time, the manual damper setting, which is still at a large opening position, continues to exhaust the tide with a large air volume and a high wind speed, which causes some of the online materials to be continuously drawn away by the tide exhaust air, sucked into the moisture exhaust pipe and In the odor treatment system, the blockage of the local pipes and the washing tank filler in the odor treatment system is accelerated, which will eventually lead to the failure of moisture drainage.

During the actual operation and use of the air-flow drying machine, the moisture exhaust pipe will be partially blocked in about a month and needs to be dredged and cleaned, and the gradual blockage of the filler in the odor treatment system is a serious problem, which will cause other corresponding spinning equipment, such as feeders. , moisture regainer and other equipment failures such as poor moisture drainage and dripping water in a large range, affecting product quality.

SUMMARY OF THE INVENTION

In view of the above-mentioned shortcomings of the prior art, the purpose of the present invention is to provide an automatic moisture exhaust damper control system of an air-flow drying machine, which is used to solve the above-mentioned problems in the prior art.

In order to solve the above technical problems, the present invention provides an automatic moisture-exhausting damper control system for an air-flow type silk dryer. The air-flow type silk dryer includes a feeding channel, and a feeding port is provided on the side of the feeding channel. The channel is connected with the moisture exhaust fan through the moisture exhaust pipe, the feeding port is connected with the outlet of the conveying device, the inlet of the conveying device is connected with the outlet of the front conveying passage, and the inlet of the preceding conveying passage is connected with the feeder;

Automatic damper control system including:

a rotating shaft, which penetrates into the moisture exhaust pipe and can be rotated relative to the moisture exhaust pipe;

The damper plate is installed on the rotating shaft, the damper plate is located in the moisture exhaust duct, and the damper plate and the moisture exhaust duct are in clearance fit;

A driving member, connected with the rotating shaft, can drive the rotating shaft to rotate;

a detection device for detecting the material on the front conveying path;

The controller is connected with the driving member, the detection device and the feeder.

Preferably, the driving member is an angular stroke actuator.

Preferably, the automatic moisture exhaust damper control system of the air-flow type drying machine further includes a scale component installed outside the moisture exhaust duct; the scale component includes an installation sleeve sleeved on the rotating shaft, so A scale plate is arranged on the installation sleeve, the installation sleeve is connected with the outer side of the moisture exhaust pipe, and a scale part is provided on the side of the scale plate away from the moisture exhaust pipe; the rotating shaft is connected with the pointing member , the pointing member is arranged on the side of the scale plate away from the moisture exhaust duct.

Preferably, the detection device is a weighing device, and the weighing device is installed on the front conveying passage.

The present invention also relates to a control method for the automatic moisture exhaust damper control system of the air-flow drying machine, wherein the controller controls the operation of the driving member, so that the driving shaft of the driving member drives the damper plate to rotate, The opening degree of the air door plate is switched between two air door working states, and the two air door working states are the "production" state and the "non-production" state respectively; the opening degree of the air door plate when it is in the "production" state is less than The opening degree of the damper plate when it is in the "non-production" state;

When the detection device sends the information that no material is detected on the front conveying path to the controller, the controller controls the driving member to operate, and the driving member drives the rotating shaft to drive the damper plate Rotate, so that the opening of the damper plate is switched to the "non-production" state;

When the detection device sends the information of detecting that there is material on the front conveying path to the controller, and the controller obtains the information that the feeder is not in a running state, the controller controls the The driving member operates, and the driving member drives the rotating shaft to drive the air door plate to rotate, so that the opening of the air door plate is switched to the "non-production" state;

When the detection device sends the information of detecting that there is material on the front conveying path to the controller, and the controller obtains the information that the feeder is in a running state, the controller controls the drive When the parts are operated, the driving part drives the rotating shaft to drive the damper plate to rotate, so that the opening of the damper plate is switched to the "production" state.

Preferably, when the damper plate is in the "production" state, the angle formed by the damper plate and the horizontal plane ranges from 25° to 40°. When the damper panel is in the "non-production" state, the angle formed by the damper panel and the horizontal plane ranges from 65° to 80°.

The automatic moisture-exhausting damper control system and the control method thereof of the airflow type silk drying machine of the present invention have the following beneficial effects:

In the automatic moisture-exhausting damper control system of the air-flow drying machine of the present invention, the controller controls the operation of the driving member, and the driving member drives the rotating shaft to drive the air door plate to rotate, so that the opening of the air door plate is within Switch between the "production" state and the "non-production" state; the present invention can automatically adjust the opening of the air door plate according to the different operation stages of the air-flow drying machine, so as to adapt to the different demands of the tidal air volume in different operation stages. When the door panel is in the "production" state, the opening degree is smaller than the opening degree of the air door panel when it is in the "non-production" state. Therefore, when the feeder is in the running state and the material is input, the material passes through the front conveying passage and conveying device, and moves toward the inlet. When the material channel moves, the damper plate switches to the "production" state, which can greatly reduce the amount of material sucked into the moisture exhaust pipe, thus ensuring the long-term and stable operation of the moisture exhaust system and related equipment, saving material costs and reducing the moisture exhaust pipe. Clear the cost of maintenance.

Description of drawings

FIG. 1 is a schematic three-dimensional structure diagram of the air-flow drying machine of the present embodiment.

FIG. 2 is a schematic top-view three-dimensional structure diagram of the vertical pipe of the airflow-type drying machine of the present embodiment provided with a damper plate.

FIG. 3 is a schematic side view of a three-dimensional structure diagram of a vertical pipe of the airflow-type drying machine of the present embodiment, which is provided with an air door plate.

FIG. 4 is a schematic diagram showing the structure of the connection between the conveying device and the feeding channel of the air-flow drying machine of the present embodiment.

FIG. 5 shows a schematic diagram of the airflow type drying machine of this embodiment under the control of the controller.

Explanation of reference numerals

100 feed channels

110 Feed port

120 Damp cover

200 Damp pipe

210 Vertical pipe

220 Transverse Tube

300 reels

400 damper panel

410 scale parts

411 Mounting Sleeve

412 scale plate

413 Pointer

500 drives

610 Conveyor

620 Front conveying path

630 Feeder

700 Detection Unit

800 Controller

Detailed ways

The embodiments of the present invention are described below by specific embodiments, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

Please see attached image. It should be noted that the structures, proportions, sizes, etc. shown in the drawings in this specification are only used to cooperate with the contents disclosed in the specification, so as to be understood and read by those who are familiar with the technology, and are not used to limit the implementation of the present invention. Restricted conditions, it does not have technical substantive significance, any structural modification, proportional relationship change or size adjustment, without affecting the effect that the present invention can produce and the purpose that can be achieved, should still fall within the present invention. The disclosed technical content must be within the scope of coverage. At the same time, the terms such as "up", "down", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description and clarity, and are not used to limit this specification. The implementable scope of the invention, and the change or adjustment of the relative relationship thereof, shall also be regarded as the implementable scope of the present invention without substantially changing the technical content.

As shown in FIG. 1 to FIG. 5 , in the automatic moisture exhaust damper control system of the air-flow type silk dryer of this embodiment, the air-flow type silk dryer includes a feeding channel 100 , and a feeding port 110 is provided on the side of the feeding channel 100 . , the feed channel 100 is connected to the moisture exhaust fan through the moisture exhaust pipe 200, the feed port 110 is connected to the outlet of the conveying device 610, the inlet of the conveying device 610 is connected to the outlet of the front conveying passage 620, and the inlet of the front conveying passage 620 is connected Feeder 630;

Automatic damper control system including:

The rotating shaft 300 penetrates into the moisture exhaust pipe 200 and can rotate relative to the moisture exhaust pipe 200;

The damper plate 400 is installed on the rotating shaft 300, the damper plate 400 is located in the moisture exhaust pipe 200, and the damper plate 400 and the moisture exhaust pipe 200 are in clearance fit;

The driving member 500 is connected with the rotating shaft 300 and can drive the rotating shaft 300 to rotate;

The detection device 700 is used to detect the material on the front conveying path 620; the detection device 700 sends the detected material information on the front conveying path 620 to the controller 800;

The controller 800 is connected with the driving member 500 , the detection device 700 and the feeder 630 . The controller obtains the operation information of the feeder 630 .

In the automatic moisture-exhausting damper control system of the air-flow drying machine of the present invention, the controller 800 controls the operation of the driving member 500, and the driving member 500 drives the rotating shaft 300 to drive the damper plate 400 to rotate, so that the opening of the damper plate 400 is in the “production” state toggle between the "non-production" state;

When the detection device 700 sends the information that no material is detected on the front conveying path 620 to the controller 800, the controller 800 controls the driving member 500 to operate, and the driving member 500 drives the rotating shaft 300 to drive the damper plate 400 to rotate, so that the damper plate 400 rotates. The opening of the switch is switched to the "non-production" state;

When the detection device 700 sends the information that the material on the front conveying path 620 is detected to the controller 800, and the controller 800 obtains the information that the feeder 630 is not in the running state, the controller 800 controls the driving member 500 to operate, so The driving member 500 drives the shaft 300 to drive the damper plate 400 to rotate, so that the opening of the damper plate 400 is switched to the "non-production" state;

When the detection device 700 sends the information that the material on the front conveying path 620 is detected to the controller 800, and the controller 800 obtains the information that the feeder is in the running state, the controller 800 controls the driving member 500 to operate, and the driving member 500 The driving shaft 300 drives the damper plate 400 to rotate, so that the opening of the damper plate 400 is switched to the "production" state.

The present invention can automatically adjust the opening degree of the damper plate 400 according to the different operation stages of the air-flow type yarn dryer, so as to meet the different demands of the tidal air volume in different operation stages. The opening of the door panel 400 when it is in the “non-production” state. Therefore, when the feeder 630 is in the running state to input materials, and the material passes through the front conveying passage 620 and the conveying device 610, and moves toward the feeding passage 100, the damper panel 400 switches In the "production" state, the amount of materials sucked into the moisture exhaust pipe 200 can be greatly reduced, thereby ensuring the long-term and stable operation of the moisture exhaust system and related equipment, which not only saves material costs, but also reduces the cost of dredging and maintaining the moisture exhaust pipe 200. .

The airflow type drying machine of this embodiment is an HDT airflow type drying machine.

The driving member 500 is a angular stroke actuator. The quarter-turn actuator can be an electric quarter-turn actuator or a pneumatic quarter-turn actuator. In this embodiment, the electric angular travel actuator is a Honeywell driver, and the model is CN7220A2007. The angular stroke actuator drives the shaft 300 to rotate.

The automatic moisture-exhausting damper control system of the air-flow drying machine also includes a scale part 410 installed outside the moisture-exhausting duct 200; the scale part 410 includes an installation sleeve 411 sleeved on the rotating shaft 300, and the installation sleeve 411 is provided with a scale plate 412, the mounting sleeve 411 is connected with the outer side of the moisture exhaust pipe 200, and the scale plate 412 is provided with a scale part on the side away from the moisture exhaust pipe 200; One side of the moisture exhaust duct 200 . The pointing member 413 rotates with the rotating shaft 300, and can point to the mark on the scale portion of the scale plate 412, so that the staff can check the value.

The detection device 700 is a weighing device, and the weighing device is installed on the front conveying passage 620 . The weighing device weighs the material on the front conveying path 620 , and when the weighing device has a reading, there is material on the conveying device 620 . In this embodiment, the weighing device is an electronic scale.

The present invention also relates to a control method of an automatic moisture-exhausting damper control system of an air-flow type silk dryer. The controller 800 controls the operation of the driving member 500, so that the driving member 500 drives the rotating shaft 300 to drive the damper plate 400 to rotate, so that the opening of the damper plate 400 is performed. The operating state of the two dampers is "production" state and "non-production" state; the opening degree of the damper plate 400 in the "production" state is smaller than that when the damper plate 400 is in the "non-production" state The opening degree in the state;

When the detection device 700 sends the information that no material is detected on the front conveying path 620 to the controller 800, the controller 800 controls the driving member 500 to operate, and the driving member 500 drives the rotating shaft 300 to drive the damper plate 400 to rotate, so that the damper plate 400 rotates. The opening of the switch is switched to the "non-production" state;

When the detection device 700 sends the information that the material on the front conveying path 620 is detected to the controller 800, and the controller 800 obtains the information that the feeder 630 is not in the running state, the controller 800 controls the driving member (500) to operate , the driving member 500 drives the rotating shaft 300 to drive the air door plate 400 to rotate, so that the opening of the air door plate 400 is switched to the “non-production” state;

When the detection device 700 sends the information that the material on the front conveying path 620 is detected to the controller 800, and the controller 800 obtains the information that the feeder 630 is in the running state, the controller 800 controls the driving member 500 to operate, and the driving member 500 drives the rotating shaft 300 to drive the damper plate 400 to rotate, so that the opening of the damper plate 400 is switched to the "production" state.

The amount of steam emitted by the airflow dryer is different in different operating stages. When the equipment is in the "preheating preparation" stage, the exhaust damper needs to be in a position with a large opening, otherwise there will be a lot of steam overflow; when the equipment is in the "production" stage ” stage, the moisture exhaust damper needs to be in a position with a smaller opening, otherwise more materials will be sucked into the moisture exhaust pipe 200. After the air dryer is preheated, the mode is basically to switch between the two stages of "preheating preparation" and "production", so the automatic control function of the exhaust damper is realized, the existing manual damper is modified, and the angle The stroke actuator drives the rotation of the damper plate 400 to adjust, so that the opening of the damper plate 400 is switched between the two damper working states, so that the problem of material accumulation in the moisture exhaust duct 200 can be improved. When the device is in the "preheating preparation" stage, the damper plate is in the "non-production" state, and the device in the "production" stage corresponds to the damper plate in the "production" state.

When the damper panel is in the "production" state, the angle formed by the damper panel and the horizontal plane ranges from 25° to 40°. When the damper panel is in the "non-production" state, the angle formed by the damper panel and the horizontal plane ranges from 65° to 80°

The feed channel 100 is arranged vertically, the top of the feed channel 100 is provided with a moisture exhaust cover 120, the moisture exhaust pipe 200 includes a vertical pipe 210 and a horizontal pipe 220 connected to each other, and the vertical pipe 210 is connected to the top of the moisture exhaust cover 120. , the central axis of the vertical pipe 210 is collinear with the central axis of the feed channel 100 , the central axis of the horizontal pipe 220 is perpendicular to the central axis of the vertical pipe 210 , and the damper plate 400 is located at the upper part of the vertical pipe 210 .

In this embodiment, when the opening degree of the damper plate 400 is switched to the “non-production” state, the angle formed by the damper plate 400 and the horizontal plane is 70°.

When the opening of the damper plate 400 is switched to the “production” state, the angle formed by the damper plate 400 and the horizontal plane is 30°.

Before and after the application of the control method of the present embodiment, a comparison and statistics of the accumulation amount of the 3500 mm long transverse pipe 220 in the moisture exhaust pipe 200 which are most likely to accumulate material are carried out (see Table 1).

Table 1

From the comparison data in Table 1, it can be found that the average single-batch accumulation of the air-flow drying machine is reduced from 23.4g before the improvement to 1.3g, a reduction of 95%, so the effect of the patented method is obvious.

In conclusion, the present invention effectively overcomes various shortcomings in the prior art and has high industrial utilization value.

The above-mentioned embodiments merely illustrate the principles and effects of the present invention, but are not intended to limit the present invention. Anyone skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the technical field without departing from the spirit and technical idea disclosed in the present invention should still be covered by the claims of the present invention.

Claims (5)

1. The control method of the automatic moisture exhausting air door control system of the airflow type cut tobacco dryer is characterized in that: the airflow type cut-tobacco drier comprises a feeding channel (100), wherein a feeding hole (110) is formed in the side surface of the feeding channel (100), the feeding channel (100) is connected with a moisture exhaust fan through a moisture exhaust pipeline (200), the feeding hole (110) is connected with an outlet of a conveying device (610), and an inlet of the conveying device (610) is connected with an outlet of a front conveying passage (620); the inlet of the front conveying passage (620) is connected with a feeder (630); automatic arrange damp air door control system includes: the rotating shaft (300) penetrates into the moisture exhaust pipeline (200) and can rotate relative to the moisture exhaust pipeline (200); the wind door plate (400) is arranged on the rotating shaft (300), the wind door plate (400) is positioned in the moisture removing pipeline (200), and the wind door plate (400) is in clearance fit with the moisture removing pipeline (200); the driving piece (500) is connected with the rotating shaft (300) and can drive the rotating shaft (300) to rotate; a detection device (700) for detecting material on the front conveyor path (620); a controller (800) connected to the drive member (500), the detection device (700), and the feeder (630);

the controller (800) controls the driving part (500) to operate, so that the driving part (500) drives the rotating shaft (300) to drive the air door plate (400) to rotate, the opening degree of the air door plate (400) is switched between two air door working states, and the two air door working states are a production state and a non-production state respectively; the opening degree of the air door plate (400) in the 'production' state is smaller than the opening degree of the air door plate (400) in the 'non-production' state; after the airflow type cut-tobacco drier is preheated, the airflow type cut-tobacco drier is switched to operate between two stages of preheating preparation and production; the air-flow type cut-tobacco drier is in a preheating preparation stage and corresponds to the air door plate being in a non-production state, and the air-flow type cut-tobacco drier is in a production stage and corresponds to the air door plate being in a production state;

when the detection device (700) sends information that materials are not detected on the front conveying passage (620) to the controller (800), the controller (800) controls the driving piece (500) to operate, the driving piece (500) drives the rotating shaft (300) to drive the air door plate (400) to rotate, and the opening degree of the air door plate (400) is switched to a non-production state;

when the detection device (700) sends the information that the material is detected to be on the front conveying passage (620) to the controller (800), and the controller (800) acquires the information that the feeding machine (630) is not in the running state, the controller (800) controls the driving piece (500) to run, and the driving piece (500) drives the rotating shaft (300) to drive the air door plate (400) to rotate, so that the opening degree of the air door plate (400) is switched to the non-production state;

when the detection device (700) sends the information that the material is detected to be on the front conveying passage (620) to the controller (800), and the controller (800) acquires the information that the feeder (630) is in the running state, the controller (800) controls the driving piece (500) to run, and the driving piece (500) drives the rotating shaft (300) to drive the air door plate (400) to rotate, so that the opening degree of the air door plate (400) is switched to the production state.

2. A method for controlling an automatic moisture exhausting damper control system of an air-flow type cut-tobacco drier as claimed in claim 1, wherein: when the wind door plate (400) is in a production state, the number of degrees of an included angle formed by the wind door plate (400) and a horizontal plane ranges from 25 degrees to 40 degrees;

when the wind door plate (400) is in a non-production state, the number of degrees of an included angle formed by the wind door plate (400) and the horizontal plane ranges from 65 degrees to 80 degrees.

3. A method for controlling an automatic moisture exhausting damper control system of an air-flow type cut-tobacco drier as claimed in claim 1, wherein: the drive member (500) is an angular travel actuator.

4. The method of claim 1, wherein the damper control system comprises: the scale component (410) is arranged outside the moisture exhaust pipeline (200);

the scale part (410) comprises an installation sleeve (411) sleeved on the rotating shaft (300), a scale plate (412) is arranged on the installation sleeve (411), the installation sleeve (411) is connected with the outer side surface of the moisture discharge pipeline (200), and a scale part is arranged on one side, far away from the moisture discharge pipeline (200), of the scale plate (412); the rotating shaft (300) is connected with a pointing piece (413), and the pointing piece (413) is arranged on one side, far away from the moisture discharge pipeline (200), of the scale plate (412).

5. The method of controlling an automatic moisture exhaust damper control system of an air dryer as claimed in claim 1, wherein said detecting means (700) is a weighing means mounted on said front conveying path (620).

Images