CN111905488A - Cloth bag dust removal device and control method - Google Patents
Cloth bag dust removal device and control method Download PDFInfo
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- CN111905488A CN111905488A CN202010772114.3A CN202010772114A CN111905488A CN 111905488 A CN111905488 A CN 111905488A CN 202010772114 A CN202010772114 A CN 202010772114A CN 111905488 A CN111905488 A CN 111905488A
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- 239000000428 dust Substances 0.000 title claims abstract description 112
- 239000004744 fabric Substances 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000000694 effects Effects 0.000 claims abstract description 9
- 230000010365 information processing Effects 0.000 claims description 25
- 238000009423 ventilation Methods 0.000 claims description 12
- 238000012544 monitoring process Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 6
- 230000009467 reduction Effects 0.000 abstract description 6
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000007689 inspection Methods 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 239000000835 fiber Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Classifications
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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
- B01D46/0084—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours provided with safety means
- B01D46/0086—Filter condition indicators
-
- 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
- B01D46/0084—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours provided with safety means
-
- 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
- B01D46/42—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
Abstract
The invention relates to the technical field of bag-type dust removal, in particular to a bag-type dust removal device and a control method. A kind of cloth bag dust-collecting equipment, including several dust-collecting air channel devices and booster fans, the dust-collecting air channel device also includes inlet air valve and outlet air valve, the dust-collecting cloth bag is placed between inlet end and outlet end; an inlet pressure sensor is arranged at the inlet air valve; an outlet pressure sensor is arranged at the outlet air valve. According to the invention, the operation condition of the dust removal air channel device is judged according to the pressure difference between the inlet end and the outlet end of the dust removal cloth bag, the dust removal air channel device is isolated and maintained by utilizing the inlet air valve and the outlet air valve, and the air volume of the booster fan is adjusted according to the operation efficiency of all the dust removal air channel devices so as to prevent the damage caused by excessive air volume of the dust removal cloth bag. Meanwhile, based on the bag-type dust collector and the control method, the effects of intelligent regulation and control, convenience in maintenance, energy-saving management, reduction in energy consumption, reduction in operation cost and the like are achieved.
Description
Technical Field
The invention relates to the technical field of bag-type dust removal, in particular to a bag-type dust removal device and a control method.
Background
The bag-type dust collector is a dry dust filter. It is suitable for trapping fine, dry, non-fibrous dust. The filter bag is made of woven filter cloth or non-woven felt, the dust-containing gas is filtered by the filtering action of the fiber fabric, when the dust-containing gas enters the bag type dust collector, the dust with large particles and high viscosity is collected by the bag type filter element made of fiber weaved materials, the dust is blocked, and the gas is purified.
The sack cleaner generally operates in having certain pressure differential and airtight space, traditional sack cleaner is the inspection that needs regularly to carry out artifical dust removal sack, whether the inspection dust removal sack has the damage, drop or abnormal state, the demand is changed through artifical observation to the integrality of solid particulate matter thickness on the sack and is judged, need stop whole sack cleaner operation to the sack cleaner inspection or maintenance at every turn, bring very big maintenance inconvenience to the enterprise of continuous production demand, and influence holistic production efficiency.
Disclosure of Invention
The invention aims to: the invention provides a bag dust collector and a control method thereof, and aims to solve the problems that a bag in a bag dust collector needs to be manually replaced and the operation of the bag dust collector needs to be stopped during replacement in the prior art.
In order to solve the problems in the prior art, the invention adopts the following technical scheme:
the invention has the beneficial effects that:
a cloth bag dust removing device comprises a plurality of dust removing air channel devices and a booster fan, wherein the booster fan is arranged at the front ends of the dust removing air channel devices,
each dust removal air channel device comprises a ventilation channel and a dust removal cloth bag arranged in the ventilation channel, and also comprises an inlet air valve and an outlet air valve, wherein the inlet air valve is arranged at the inlet end of the dust removal air channel device, the outlet air valve is arranged at the outlet end of the dust removal air channel device, and the dust removal cloth bag is arranged between the inlet end and the outlet end;
an inlet pressure sensor is arranged at the inlet air valve and used for collecting an inlet pressure value at the inlet end of the dust removal cloth bag; an outlet pressure sensor is arranged at the outlet air valve and used for collecting an outlet pressure value at the outlet end of the dust removal cloth bag;
the bag-type dust collector also comprises a control system, the control system is respectively connected with the booster fan, the inlet air valve and the outlet air valve, and the control system controls the opening or closing of the booster fan, the inlet air valve and the outlet air valve;
the control system is used for acquiring the inlet pressure value and the outlet pressure value, calculating a pressure difference value, comparing the pressure difference value with the preset pressure value to obtain a comparison result, and monitoring the condition of the bag-type dust collector according to the comparison result.
As an improvement of the technical scheme of the bag-type dust collector, the control system comprises an information processing module;
the control system comprises an information processing module;
the difference value between the pressure values of the inlet pressure value and the outlet pressure value is a pressure difference value, and a first pressure value, a second pressure value and a third pressure value are preset in the information processing module;
the inlet pressure sensor and the outlet pressure sensor are respectively connected with the information processing module, correspondingly acquire the inlet pressure value and the outlet pressure value and transmit the inlet pressure value and the outlet pressure value to the information processing module;
the information processing module is used for calculating the pressure difference value and comparing the pressure difference value, the first pressure value, the second pressure value and/or the third pressure value.
As an improvement of the technical scheme of the bag-type dust collector, the control system further comprises an alarm system, the alarm system is connected with the information processing module, and the alarm system gives an alarm and/or an early warning according to the information of the information processing module.
The invention also provides a control method of the cloth bag dust removal device, which comprises the following steps:
opening an inlet air valve and an outlet air valve, and correspondingly acquiring an inlet pressure value and an outlet pressure value by an inlet pressure sensor and an outlet pressure sensor;
calculating a pressure difference value based on the inlet pressure value and the outlet pressure value;
comparing the pressure difference value with a preset pressure value based on the pressure difference value;
based on the pressure difference between the pressure difference value and the preset pressure value, the control system monitors the operation effect of the bag-type dust collector.
As an improvement of the technical scheme of the control method of the bag-type dust collector,
the preset pressure values comprise a first pressure value, a second pressure value and a third pressure value;
when the pressure difference value is lower than the first pressure value, the control system sends out an alarm signal;
when the pressure difference value is between the first pressure value and the second pressure value, the dust removal cloth bag is normally used;
when the pressure difference value is between the second pressure value and the third pressure value, the control system sends out an early warning signal;
and when the pressure difference value is greater than the third pressure value, the control system sends out an alarm signal.
According to the invention, the operation condition of the dust removal air channel device is judged according to the pressure difference between the inlet end and the outlet end of the dust removal cloth bag, the dust removal air channel device is isolated and maintained by utilizing the inlet air valve and the outlet air valve, and the air volume of the booster fan is adjusted according to the operation efficiency of all the dust removal air channel devices so as to prevent the damage caused by excessive air volume of the dust removal cloth bag. Meanwhile, based on the bag-type dust collector and the control method, the effects of intelligent regulation and control, convenience in maintenance, energy-saving management, reduction in energy consumption, reduction in operation cost and the like are achieved.
Drawings
FIG. 1 is a schematic structural view of a bag-type dust collector of the present invention;
FIG. 2 is a control logic view of the control method of the bag-type dust collector of the present invention.
Description of reference numerals: 1-a booster fan; 2-inlet air valve; 3-inlet pressure sensor; 4-a dust removal cloth bag; 5-outlet pressure sensor; 6-outlet air valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of embodiments of the present invention, and not all embodiments.
As shown in fig. 1 and 2, a cloth bag dust collector includes a plurality of dust-collecting air duct devices and a booster fan 1, wherein the booster fan 1 is disposed at the front end of the dust-collecting air duct devices.
Each dust removal air channel device comprises a ventilation channel and a dust removal cloth bag 4 arranged in the ventilation channel; the dust-removing air channel device also comprises an inlet air valve 2 and an outlet air valve 6, wherein the inlet air valve 2 is arranged at the inlet end of the dust-removing air channel device, the outlet air valve 6 is arranged at the outlet end of the dust-removing air channel device, and the dust-removing cloth bag 4 is arranged between the inlet end and the outlet end.
An inlet pressure sensor 3 is arranged at the inlet air valve 2, and the inlet pressure sensor 3 is used for collecting an inlet pressure value at the inlet end of the dust removal cloth bag 4; an outlet pressure sensor 5 is arranged at the outlet air valve 6, and the outlet pressure sensor 5 is used for collecting the outlet pressure value at the outlet end of the dust removal cloth bag 4.
The bag-type dust collector also comprises a control system, wherein the control system is respectively connected with the booster fan 1, the inlet air valve 2 and the outlet air valve 6, and can control the opening or closing of the booster fan 1, the inlet air valve 2 and the outlet air valve 3.
The control system is preset with a preset pressure value, collects the inlet pressure value and the outlet pressure value collected by the inlet pressure sensor 3 and the outlet pressure sensor 5, calculates the pressure difference value of the inlet pressure value and the outlet pressure value, compares the pressure difference value with the preset pressure value to obtain a comparison result, and monitors the condition of the bag-type dust collector according to the comparison result.
In the invention, the booster fan 1 is arranged at the front end of the dust removal air channel device, namely, in the using process, air firstly flows through the booster fan 1, then the booster fan 1 provides wind power for the dust removal air channel device, and the booster fan 1 is arranged at the front end of the dust removal air channel device, so that an inlet air valve 2 of the dust removal air channel device can be added, and the cloth bag dust removal device can operate at the optimal wind speed.
Because each dust removal air channel device comprises a ventilation channel and a dust removal cloth bag 4 arranged in the ventilation channel, a plurality of sections of ventilation channels form an air flow channel in the cloth bag dust removal device, each section of ventilation channel corresponds to at least one dust removal cloth bag 4, the dust removal cloth bags 4 and the ventilation channels with proper quantity can be arranged according to the size of the cloth bag dust remover, and the dust removal cloth bags 4 filter solid particles in dust-containing gas, thereby ensuring the dust removal effect. In the present invention, the dust-collecting cloth bag 4 is disposed in the ventilation passage by a conventional connection manner.
Because the control system is preset with a preset pressure value and can control the supercharging wind power and the opening or closing of the inlet air valve 2 and the outlet air valve 6, when the bag-type dust collector is used, the inlet pressure value and the outlet pressure value of the inlet air valve 2 and the outlet air valve 6 are correspondingly collected through the inlet pressure sensor 3 and the outlet pressure sensor 5 respectively, the pressure difference value between the inlet pressure value and the outlet pressure value is calculated through the control system, the pressure difference value and the preset pressure value are compared in the control system to obtain a comparison result, and the condition of the bag-type dust collector is monitored according to the comparison result.
In detail, when the dust removal air duct device is used, the inlet air valve 2 and the outlet air valve 6 are opened through the control system, an inlet pressure value and an outlet pressure value are collected through the inlet pressure sensor 3 and the outlet pressure sensor 5, a pressure difference value of an inlet end and an outlet end of the dust removal cloth bag 4 is calculated, the booster fan 1 is started through the control system, the pressure of the air quantity of the booster fan 1 at the inlet end is adjusted to a set range, namely, the rotating speed of the booster fan is adjusted to achieve the effect of adjusting the pressure of the inlet end, then the using condition of the dust removal cloth bag 4 is judged according to a comparison result, and a worker checks the dust removal air duct device or the cloth bag dust. After the inspection is finished, the control system controls the booster fan 1 to adjust the pressure at the outlet end, and the pressure of the air quantity at the outlet end is adjusted to be within a set range.
Further, the control system comprises an information processing module, the difference value between the inlet pressure value and the outlet pressure value is a pressure difference value, and a first pressure value, a second pressure value and a third pressure value are preset in the information processing module.
The inlet pressure sensor 3 and the outlet pressure sensor 5 are respectively connected with the information processing module and correspondingly transmit an inlet pressure value and an outlet pressure value to the information processing module;
the information processing module is used for calculating a pressure difference value and comparing the pressure difference value, the first pressure value, the second pressure value and/or the third pressure value. As an embodiment of the present invention, the first pressure value, the second pressure value, and the third pressure value are sequentially increased.
Preferably, the control system further comprises an alarm system, the alarm system is connected with the information processing module, and the alarm system gives an alarm and/or an early warning according to the information of the information processing module.
In more detail, the information processing module in the control system is preset with a first pressure value, a second pressure value and a third pressure value.
When the dust removal air duct device is used, when the pressure difference value is smaller than the first pressure value, the dust removal cloth bag 4 is judged to be in a damaged, fallen or abnormal state, the control system closes the inlet air valve 2 and the outlet air valve 6 of the dust removal air duct device according to the signal of the information processing module, and the alarm system gives an alarm;
when the pressure value is larger than the first pressure value and smaller than the second pressure value, judging that the dust removal cloth bag 4 is in a normal operation state;
when the pressure value is greater than the second pressure value and less than the third pressure value, judging that the dust removal cloth bag 4 is in an inefficient operation state, and sending out an early warning by an alarm system according to a signal of the information processing module;
and when the pressure value is greater than the third pressure value, judging that the dust removal cloth bag 4 is in a failure operation state, closing the inlet air valve 2 and the outlet air valve 6 of the dust removal air channel device by the control system, and sending out an alarm by the alarm system.
When the warning system sends out a warning, the worker can adjust the air volume of the booster fan according to the warning, and the effect of adjusting the pressure in the bag-type dust collector can be realized without stopping the operation of the bag-type dust collector; when the alarm system gives an alarm warning, namely the dust removal cloth bag 4 is in a failure operation state or an abnormal state, the inlet air valve 2 and the outlet air valve 6 need to be closed immediately for overhauling and maintenance.
The invention also provides a control method of the cloth bag dust removal device, which comprises the following steps:
opening the inlet air valve 2 and the outlet air valve 6, and correspondingly acquiring an inlet pressure value and an outlet pressure value by the inlet pressure sensor 3 and the outlet pressure sensor 5;
calculating a pressure difference value based on the inlet pressure value and the outlet pressure value;
comparing the pressure difference value with a preset pressure value based on the pressure difference value;
based on the pressure difference between the pressure difference value and the preset pressure value, the control system monitors the operation effect of the bag-type dust collector.
Further, the preset pressure values comprise a first pressure value, a second pressure value and a third pressure value;
when the pressure difference value is lower than the first pressure value, the control system sends out an alarm signal;
when the pressure difference value is between the first pressure value and the second pressure value, the dust removal cloth bag 4 is normally used;
when the pressure difference value is between the second pressure value and the third pressure value, the control system sends out an early warning signal;
and when the pressure difference value is greater than the third pressure value, the control system sends out an alarm signal.
And the control system judges the current operation condition of the dust removal air channel device according to the pressure difference value of the inlet end and the outlet end of the dust removal air channel device and monitors the operation efficiency of the dust removal air channel device.
In the invention, based on the cloth bag dust removal device and the control method, the effects of intelligent regulation and control, convenience in maintenance, energy-saving management, reduction in energy consumption, reduction in operation cost and the like are achieved.
All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
Claims (5)
1. A cloth bag dust-removing device comprises a plurality of dust-removing air channel devices and a booster fan, wherein the booster fan is arranged at the front ends of the dust-removing air channel devices,
each dust removal air channel device comprises a ventilation channel and a dust removal cloth bag arranged in the ventilation channel, and also comprises an inlet air valve and an outlet air valve, wherein the inlet air valve is arranged at the inlet end of the dust removal air channel device, the outlet air valve is arranged at the outlet end of the dust removal air channel device, and the dust removal cloth bag is arranged between the inlet end and the outlet end;
an inlet pressure sensor is arranged at the inlet air valve and used for collecting an inlet pressure value at the inlet end of the dust removal cloth bag; an outlet pressure sensor is arranged at the outlet air valve and used for collecting an outlet pressure value at the outlet end of the dust removal cloth bag;
the bag-type dust collector also comprises a control system, the control system is respectively connected with the booster fan, the inlet air valve and the outlet air valve, and the control system controls the opening or closing of the booster fan, the inlet air valve and the outlet air valve;
the control system is used for acquiring the inlet pressure value and the outlet pressure value, calculating a pressure difference value, comparing the pressure difference value with the preset pressure value to obtain a comparison result, and monitoring the condition of the bag-type dust collector according to the comparison result.
2. The bag dust collector according to claim 1, wherein the control system comprises an information processing module;
the difference value between the pressure values of the inlet pressure value and the outlet pressure value is a pressure difference value, and a first pressure value, a second pressure value and a third pressure value are preset in the information processing module;
the inlet pressure sensor and the outlet pressure sensor are respectively connected with the information processing module, correspondingly acquire the inlet pressure value and the outlet pressure value and transmit the inlet pressure value and the outlet pressure value to the information processing module;
the information processing module is used for calculating the pressure difference value and comparing the pressure difference value, the first pressure value, the second pressure value and/or the third pressure value.
3. The bag-type dust collector according to claim 2, wherein the control system further comprises an alarm device, the alarm device is connected with the information processing module, and the alarm device gives an alarm and/or an early warning according to the information of the information processing module.
4. A method of controlling a bag house dust collector apparatus according to any of claims 1-3, comprising the steps of:
opening an inlet air valve and an outlet air valve, and correspondingly acquiring an inlet pressure value and an outlet pressure value by an inlet pressure sensor and an outlet pressure sensor;
calculating a pressure difference value based on the inlet pressure value and the outlet pressure value;
comparing the pressure difference value with a preset pressure value based on the pressure difference value;
based on the pressure difference between the pressure difference value and the preset pressure value, the control system monitors the operation effect of the bag-type dust collector.
5. The method for controlling a bag house dust collector according to claim 4,
the preset pressure values comprise a first pressure value, a second pressure value and a third pressure value;
when the pressure difference value is lower than the first pressure value, the control system sends out an alarm signal;
when the pressure difference value is between the first pressure value and the second pressure value, the dust removal cloth bag is normally used;
when the pressure difference value is between the second pressure value and the third pressure value, the control system sends out an early warning signal;
and when the pressure difference value is greater than the third pressure value, the control system sends out an alarm signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010772114.3A CN111905488A (en) | 2020-08-04 | 2020-08-04 | Cloth bag dust removal device and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010772114.3A CN111905488A (en) | 2020-08-04 | 2020-08-04 | Cloth bag dust removal device and control method |
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| Publication Number | Publication Date |
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| CN111905488A true CN111905488A (en) | 2020-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010772114.3A Pending CN111905488A (en) | 2020-08-04 | 2020-08-04 | Cloth bag dust removal device and control method |
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| CN (1) | CN111905488A (en) |
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| CN209204880U (en) * | 2018-12-04 | 2019-08-06 | 浙江中泰环保股份有限公司 | A kind of bag filter |
| CN110523173A (en) * | 2019-08-27 | 2019-12-03 | 贵州大学 | A kind of source PM2.5 particlate trap system redundancy structure and control system |
| CN110935249A (en) * | 2018-09-25 | 2020-03-31 | 莱芜钢铁集团电子有限公司 | Self-cleaning control method and device for air filter |
| CN212348111U (en) * | 2020-08-04 | 2021-01-15 | 中国科学院广州能源研究所 | Cloth bag dust removal device |
-
2020
- 2020-08-04 CN CN202010772114.3A patent/CN111905488A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102782267A (en) * | 2010-03-25 | 2012-11-14 | 三菱重工业株式会社 | Reproduction control device, reproduction control method, and reproduction support system for DPF |
| CN102844653A (en) * | 2010-03-25 | 2012-12-26 | Avl里斯脱有限公司 | Method for automatically operating a measuring device for measuring particles in gases |
| CN106457116A (en) * | 2014-05-15 | 2017-02-22 | 罗盖特公司 | Method for in-line control of the integrity of a filtering system |
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