KR20150028413A - Error sensory system of air pulse valve for dust collector using pressure sensor - Google Patents

Error sensory system of air pulse valve for dust collector using pressure sensor Download PDF

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Publication number
KR20150028413A
KR20150028413A KR20130106907A KR20130106907A KR20150028413A KR 20150028413 A KR20150028413 A KR 20150028413A KR 20130106907 A KR20130106907 A KR 20130106907A KR 20130106907 A KR20130106907 A KR 20130106907A KR 20150028413 A KR20150028413 A KR 20150028413A
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KR
South Korea
Prior art keywords
air
pressure
dust collector
pulse valve
air pulse
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Application number
KR20130106907A
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Korean (ko)
Inventor
이경옥
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이경옥
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Publication date
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Priority to KR20130106907A priority Critical patent/KR20150028413A/en
Publication of KR20150028413A publication Critical patent/KR20150028413A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
    • B01D46/023—Pockets filters, i.e. multiple bag filters mounted on a common frame
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
    • B01D46/04—Cleaning filters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/42—Auxiliary equipment or operation thereof
    • B01D46/44—Auxiliary equipment or operation thereof controlling filtration
    • B01D46/446—Auxiliary equipment or operation thereof controlling filtration by pressure measuring

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

The present invention relates to an error sensing system of an air pulse valve for a dust collector using a pressure sensor, comprising a pressure sensor (PS) which measures inner pressure of an air tank (10) having air plurality of valves (112) whose numbers are matched with the number of filter bags (F) installed in the dust collector (100) wherein the pressure sensor (PS) is installed to be electrically connected to a control part (120) to control the driving of the dust collector (100) and has a pressure measuring part (130) which measures maximum pressure stored in an air tank (110) by receiving air pressure supplied from outside with use of the control part (120) and stores the measured pressure value, thereby enabling air via the pressure measuring part to regularly control the air pulse valve and removing foreign materials, leading to efficient operation of the dust collector.

Description

Technical Field [0001] The present invention relates to an air pulse valve for a dust collector using a pressure sensor,

More particularly, the present invention relates to an air pulse valve for a dust collector, and more particularly, to an air pulse valve for a dust collector, which detects a change in pressure inside an air tank during an air pulse operation by a dust collector by a pressure sensor, And more particularly, to a dust collector air pulse valve error detection system using a pressure sensor that determines that an air pulse valve is malfunctioning or that foreign matter is caught and that an air pulse valve is replaced or repaired and a foreign matter is removed.

In general, an industrial dust collector sucks various dusts such as dust and foreign substances generated in various industrial phenomena through an inlet port, filters the dust through a filter filter constituting a filter bag installed inside the dust collector housing, The clean air that has been removed is discharged to the outside through the discharge port. The dust adhered to the filter bag is passed through the air tank by the operation of the compressor, and the compressed air is injected back through the air pulse valve to the filter bag at a predetermined time interval The filter bag is instantaneously expanded and vibrated to remove the dust adhered to the outer surface of the filter to treat the dust collected through the lower hopper.

A chain conveyor or a separate dust collecting barrel is disposed under the hopper so that collected dust can be treated.

The prior art of the dust collector using the air pulse as described above has been disclosed in Korean Patent No. 10-0944025 (name: air pulse type dust collector using a ceramic filter).

1, a dust collector for sucking and filtering dust generated at a work site includes a cabinet 12 having an upper inlet 10 and a side outlet 11, And a plurality of housings 13 arranged in parallel to one another and arranged side by side on the side of one wall of the cabinet 12 so as to communicate with the outlet side of the cabinet 12 and a plurality of housings 13, A plurality of ceramic filters 14 horizontally installed in the housing to perform a filtering function, an air pulse device 15 installed on one side of the housing 13 to perform a desorption function, Closing plate 16 which is provided on the other side surface portion of the housing 13 and blocks the outlet side communicating portion of the housing 13 during the desorption operation and a cylinder 17 for operating the opening and closing plate 16, A pulse valve 20 which is connected to the air tank 18 side and is speeded one by one corresponding to the number of the housings 13; And a pulse nozzle tube 21 which horizontally extends from the casing 20 to horizontally cross the inside of the housing 13 and injects high-pressure air into the ceramic filter 14.

The discharge port 11 for collecting the air discharged from the discharge pipe 22 to one side is connected to the suction side of the blower 23 and the duct part 27 is connected to the discharge side of the blower 23 On the other hand, a damper 26 for adjusting the discharge amount is provided in front of the suction side of the blower 23, and a silence 24 is provided in the duct portion 27 for noise reduction.

The flow path of the air leading from the inlet 10 to the inside of the cabinet 12 → the inside of the housing 13 to be described later → the outlet 11 to the final duct portion 27 So that dust filtration and purified air can be discharged, and dust can be collected in the dust box 25.

However, in the operation of the dust collector of the above-described type, it is difficult for the manager to know the pressure change due to the filling and use of the air pressure inside the air tank at that time, and to check whether the pulse valve installed on the air tank side is abnormal, It is difficult to manage the dust collector, and thus the operation ability of the dust collector is remarkably deteriorated.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned conventional problems, and it is an object of the present invention to provide an air- It is an object of the present invention to provide a method of confirming malfunction of a dust collector air pulse valve by using a pressure sensor which is judged that a fault or foreign matter is caught in the air pulse valve or replacement of the air pulse valve, .

According to an aspect of the present invention, there is provided a pressure sensor for checking an internal pressure of an air tank provided with a number of air pulse valves corresponding to filter bags installed in a dust collector, A pressure measuring unit for measuring the pressure stored in the air tank at a maximum pressure by receiving air pressure from the outside through the control unit and storing the measured pressure value; A valve operation judging unit for judging whether the air pulse valve is operated due to a failure of the air pulse valve and / or a foreign substance on the basis of the pressure value measured and stored in the pressure measuring unit, the valve being electrically connected to the control unit; A first signal display unit electrically connected to the valve operation judging unit and indicating whether the air pulse valve is in a normal operation state through a buzzer and a signal lamp when the air pulse valve is in a normal operation state; And a second signal display unit electrically connected to the valve operation judging unit and indicating that the internal pressure of the air tank is through the buzzer and the signal lamp when the internal pressure of the air tank is below the reference value.

The pressure measuring unit according to the present invention is characterized in that the air pulse valve is opened when the internal pressure of the air tank is equal to or higher than the reference value and the air pulse valve is periodically controlled.

The present invention relates to an air purifier for detecting an internal pressure of an air tank during an air pulse from an air tank according to operation of a dust collector by a pressure sensor and for detecting the operation of a pressure measuring unit and an air pulse valve associated with a control unit, The first signal display unit and the second signal display unit can easily detect whether the air pulse valve is malfunctioning or not, so that it is easy to replace and repair the air pulse valve, and the air through the pressure measuring unit is periodically supplied to the air pulse valve The dust collector can be efficiently operated by assisting the foreign matter removing operation by interrupting the operation.

1 is a front view showing a conventional dust collector,
FIG. 2 is a schematic diagram showing an error detection system of an air pulse valve for a dust collector according to the present invention.
3 is a cross-sectional view of a dust collector showing a state in which a pressure sensor according to the present invention is installed in an air tank,
Fig. 4 is a side view showing the air tank in Fig. 3; Fig.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

Prior to this, terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms, and the inventor should appropriately interpret the concepts of the terms appropriately It should be interpreted in accordance with the meaning and concept consistent with the technical idea of the present invention based on the principle that it can be defined.

Therefore, the embodiments described in the present specification and the configurations shown in the drawings are only the most preferred embodiments of the present invention, and not all of the technical ideas of the present invention are described. Therefore, It should be understood that various equivalents and modifications may be present.

The error detection system of the air pulse valve for a dust collector using the pressure sensor according to the present invention is as shown in FIG.

The error detection system of the air pulse valve includes a pressure sensor PS for checking the internal pressure of the air tank 110 provided with the number of air pulse valves 112 corresponding to the filter bag F installed in the dust collector 100, The pressure sensor PS includes a pressure measurement unit 130 electrically connected to a control unit 120 for controlling the operation of the dust collector 100, a valve operation determination unit 140, A first signal display unit 150, and a second signal display unit 160.

The pressure measuring unit 130 receives the air pressure from the outside through the control unit 120, measures the pressure stored in the air tank 110 at the maximum pressure, and stores the measured pressure value.

The valve operation judging unit 140 judges whether the air pulse valve 112 malfunctions due to the failure of the air pulse valve 112 and / or the air pulse valve is operated based on the pressure value measured by the pressure measuring unit 130 .

The first signal display unit 150 is electrically connected to the valve operation determination unit 140 to indicate whether the normal operation state of the air pulse valve is established through the buzzer B and the signal lamp SL do.

The second signal display unit 160 is electrically connected to the valve operation determination unit 140 so that when the internal pressure of the air tank 110 is below the reference value, the buzzer B and the signal lamp SL ).

The pressure measuring unit 130 opens the air pulse valve 112 when the internal pressure of the air tank 110 is equal to or higher than the reference value and periodically controls the air pulse valve 112 to be interrupted. This is for periodically operating the air pulse valve 112 to remove foreign matter attributable to the air pulse valve.

In the figure, reference numeral 113 denotes an air supply pipe, and reference numeral 113a denotes a nozzle provided in the air supply pipe.

Operation of the error detection system of the air pulse valve for a dust collector using the pressure sensor constructed as described above will be described below.

First, the dust due to the air filtration is filtered through the filter bag F through the dust collector 100, the dust is collected by the dust tray provided at the lower side of the dust collector, and the collected dust is treated.

As described above, the dust removal for the filter bag F is carried out by supplying the air pressure stored in the air tank 110 to the air pulse valve (not shown) from the outside through the air compressor (not shown) by the regulator on the side of the air tank 110 112 as an air pressure injected through two air nozzles 113a branched on both sides of the air supply pipe 113 from the inside to the outside of the filter bag F And dust accumulated on the filter bag surface is blown down to be focused.

As described above, the operation of the dust collector 100 is typically performed in a state where air from the outside through the air compressor is filled in the air tank 110, wherein the internal air pressure of the air tank is controlled by a plurality of air pulse valves 112 Through the air supply pipe 113 so that dust can be removed from the filter bag F as described above.

The control unit 120 according to the present invention checks the air pressure in the air tank 110 by a pressure sensor PS electrically connected to the control unit together with driving control of the overall dust collector.

The control unit 120 measures and stores data when the air pressure from the initial air compressor is fully charged in the air tank 110 through the pressure measuring unit 130 associated with the control unit 120.

The operation of each of the air pulse valves 112 branched to the air tank based on the pressure value measured by the pressure measuring unit 130 may be determined by a valve operation determining unit 140, and notifies the dust collector manager through the first signal display unit 150 and the second signal display unit 160 according to the information result.

The pressure measuring unit 130 opens the air pulse valve 112 when the internal pressure of the air tank 110 is equal to or higher than the reference value and periodically controls the air pulse valve 112 to be interrupted. Although not shown in the drawing, the air pulse valve is connected to a separate timer so that the opening and closing of the air pulse valve 112 can be interrupted periodically as described above.

The air pulsation valve 112 can be periodically opened and closed to remove foreign matter naturally adhered to the air pulse valve.

When the air pulse valve 112 is in a normal operation state, that is, when the air pulse is not blocked due to malfunction or being stuck in a foreign object, the first signal display unit 150 displays the buzzer B and the signal lamp SL) to indicate that the dust collector is normally operating.

The dust accumulated in the filter bag F as the high-pressure air pressure filled in the air tank during the operation of the dust collector can be periodically processed.

The second signal display unit 160 displays an abnormal state through the buzzer B and the signal lamp SL when the internal pressure of the air tank 110 is inoperable below the reference value, Inspection or air pulse valve should be informed to the dust collector supervisor about the degree of contamination.

That is, in the error detection system of the air pulse valve for a dust collector according to the present invention, the internal pressure of the air tank is checked as a pressure inside the tank of the pressure sensor provided on the air tank side, the data is stored as data, As a result, it is possible to efficiently operate the dust collector by checking the normal or abnormal operation state of the dust collector at any time by signal processing through the control unit.

As described above, the present invention has been described with reference to particular embodiments, such as specific elements, and specific embodiments and drawings. However, it should be understood that the present invention is not limited to the above- And various modifications and changes may be made thereto by those skilled in the art to which the present invention pertains.

Accordingly, the spirit of the present invention should not be construed as being limited to the embodiments described, and all of the equivalents or equivalents of the claims, as well as the following claims, belong to the scope of the present invention .

100: dust collector 110: air tank
112: air pulse valve 113: air supply pipe
120: control unit 130: pressure measuring unit
140: Valve operation determination unit 150: First signal display unit
160: Second signal display part F: Filter back

Claims (2)

There is provided a pressure sensor PS for checking the internal pressure of the air tank 110 provided with the number of air pulse valves 112 corresponding to the filter bag F installed in the dust collector 100,
The pressure sensor PS is electrically connected to a control unit 120 for controlling the operation of the dust collector 100,
A pressure measuring unit 130 for receiving the air pressure from the outside through the control unit 120 and measuring the pressure stored in the air tank 110 at a maximum pressure and storing the measured pressure value;
A valve that is electrically connected to the control unit 120 to determine whether the air pulse valve 112 malfunctions due to a failure of the air pulse valve 112 or a foreign matter trapped on the basis of the pressure value measured by the pressure measuring unit 130, An operation determination unit (140);
A first signal display unit 150 that is electrically connected to the valve operation determination unit 140 and displays a normal operation state through the buzzer B and the signal lamp SL when the air pulse valve is in a normal operation state, Wow;
And a signal lamp (SL), which is electrically connected to the valve operation determining unit (140), and when the internal pressure of the air tank (110) And a signal display unit (160). The system for detecting an error of an air pulse valve for a dust collector using a pressure sensor. The method according to claim 1,
The pressure measuring unit 130 is configured to open the air pulse valve 112 when the internal pressure of the air tank 110 is equal to or higher than the reference value and to periodically interrupt the air pulse valve 112 Fault Detection System of Air Pulse Valve for Dust Collector Using Pressure Sensor.
KR20130106907A 2013-09-06 2013-09-06 Error sensory system of air pulse valve for dust collector using pressure sensor KR20150028413A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR20130106907A KR20150028413A (en) 2013-09-06 2013-09-06 Error sensory system of air pulse valve for dust collector using pressure sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR20130106907A KR20150028413A (en) 2013-09-06 2013-09-06 Error sensory system of air pulse valve for dust collector using pressure sensor

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109011889A (en) * 2018-01-23 2018-12-18 苏州协昌环保科技股份有限公司 Intelligent self-checking deashing device and its air box pressure variation is divided to be associated with determination method with pulse valve working condition
CN110595983A (en) * 2019-10-17 2019-12-20 尘欧智能科技(上海)有限公司 Line-blowing bag type dust collector ash removal test system and test method
CN113053072A (en) * 2021-03-08 2021-06-29 浙江安防职业技术学院 Pulse dust removal experiment gas bag operation safety monitoring system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109011889A (en) * 2018-01-23 2018-12-18 苏州协昌环保科技股份有限公司 Intelligent self-checking deashing device and its air box pressure variation is divided to be associated with determination method with pulse valve working condition
CN110595983A (en) * 2019-10-17 2019-12-20 尘欧智能科技(上海)有限公司 Line-blowing bag type dust collector ash removal test system and test method
CN110595983B (en) * 2019-10-17 2024-06-04 尘欧智能科技(上海)有限公司 Ash removal test system and method for row-blowing bag type dust collector
CN113053072A (en) * 2021-03-08 2021-06-29 浙江安防职业技术学院 Pulse dust removal experiment gas bag operation safety monitoring system

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