CN214634791U - Control system for multi-zone dispersed multi-bag dust collector - Google Patents
Control system for multi-zone dispersed multi-bag dust collector Download PDFInfo
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- 239000000428 dust Substances 0.000 title claims abstract description 155
- 238000007664 blowing Methods 0.000 claims abstract description 70
- 238000002347 injection Methods 0.000 claims description 30
- 239000007924 injection Substances 0.000 claims description 30
- 230000000007 visual effect Effects 0.000 claims description 11
- 238000004891 communication Methods 0.000 claims description 8
- 238000012544 monitoring process Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000006185 dispersion Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 28
- 239000004744 fabric Substances 0.000 description 12
- 230000000694 effects Effects 0.000 description 5
- 238000001514 detection method Methods 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
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- 239000000835 fiber Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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Abstract
The utility model discloses a control system of a plurality of bag dust collectors for multi-zone dispersion, which comprises a first data transceiver, a first central processing unit, a memory, a first pressure gauge, a pressure relief valve, a second data transceiver, a second central processing unit and more than one blowing system; the first pressure gauge is connected with an air source main pipe for blowing of the bag dust collector, monitors the pressure of the air source main pipe in real time and transmits pressure information to the second central processing unit; the pressure relief valve is connected with the gas source main pipe; the second data transceiver is respectively connected with the first pressure gauge and the pressure relief valve, and the second central processing unit is connected with the second data transceiver. The utility model discloses manage in unison each bag dust collector to different work areas, according to the female discharge capacity of managing and jetting of the female pipe of air supply, each bag dust collector of reasonable arrangement different work areas carries out the jetting operation, solves the big, with high costs problem of the current bag dust collector control system centralized control degree of difficulty.
Description
Technical Field
The utility model belongs to the technical field of automatic control, concretely relates to a control system that is used for multizone dispersed many cloth bag dust collectors.
Background
A cloth bag dust collector, which may also be referred to as a bag 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, after the dust-containing gas enters the bag type dust collector, dust with large particles and large specific gravity falls into the dust hopper due to the sedimentation of the gravity, and when the gas containing fine dust passes through the filter material, the dust is blocked, so that the gas is purified.
The production process is often provided with a plurality of bag dust collectors for gas purification, the bag dust collectors are distributed dispersedly, independent control structures are adopted at present, so that the injection time of each bag dust collector is indefinite, the pressure control of an injection air main pipe is not favorable, the plurality of bag dust collectors are easy to inject one after another, the pressure of the injection air main pipe is not recovered, new injection is carried out, the injection effect cannot be achieved, the filter bag of the bag dust collector is blocked, the gas purification effect cannot be achieved, the injection of the bag dust collectors is controlled by a centralized control mode, the cost is high, the control algorithm is complex, the implementation difficulty is high, and the like.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned not enough, the utility model discloses a control system for many bag dust collectors of multizone dispersion solves the big, with high costs problem of the current bag dust collector control system centralized control degree of difficulty.
The utility model discloses an adopt following technical scheme to realize:
a control system for a plurality of bag-type dust collectors with multi-zone dispersion comprises a first data transceiver, a first central processing unit, a memory, a first pressure gauge, a pressure release valve, a second data transceiver, a second central processing unit and more than one blowing system; the first pressure gauge is connected with an air source main pipe for blowing of the bag dust collector, monitors the pressure of the air source main pipe in real time and transmits pressure information to the second central processing unit; the pressure relief valve is connected with the gas source main pipe; the second data transceiver is respectively connected with the first pressure gauge and the pressure relief valve, and the second central processing unit is connected with the second data transceiver;
the first central processing unit is respectively connected with the first data transceiver and the memory; the first data transceiver is connected with the second data transceiver;
each blowing system is correspondingly connected with a bag dust collector, and each blowing system is connected with a first data transceiver; the blowing system comprises a controller, a second pressure gauge, a differential pressure gauge, a star-shaped discharger, a collector, an audible and visual alarm and more than one electromagnetic valve; the controller is respectively connected with the second pressure gauge, the differential pressure gauge, the star-shaped discharger and the audible and visual alarm; the second pressure gauge is used for monitoring the pressure of the bag dust collector and transmitting pressure information to the controller, the differential pressure gauge is used for monitoring the differential pressure of the bag dust collector and transmitting the pressure information to the controller, and when the controller receives that the pressure and the differential pressure information of the bag dust collector exceed a safety value range, the controller sends an instruction to the audible and visual alarm to give an alarm; the star-shaped discharger is mounted on a dust discharge pipeline of the bag dust collector, the collector is connected with the dust discharge pipeline, and the controller sends an opening or closing instruction to the star-shaped discharger to discharge dust collected in the bag dust collector into the collector for collection and treatment; each electromagnetic valve is correspondingly arranged on one injection pipe in the bag dust collector, is connected with the controller, and blows injection gas into the bag dust collector to perform injection operation by receiving an opening or closing instruction from the controller; the controller is connected with the first data transceiver, controls the opening and closing of the electromagnetic valve and the star-shaped discharge valve according to an instruction sent by the first central processing unit, and simultaneously sends real-time pressure and differential pressure information of the bag dust collector to the first central processing unit.
The utility model adopts the second data transceiver, the second central processing unit, the first pressure gauge and the pressure relief valve to form a detection system of the discharge capacity (namely the discharge capacity) of the air source main pipe, and adopts the first data transceiver, the first central processing unit, the memory and the blowing system to form a blowing regulation and control system of each bag dust collector; when the pressure fluctuation of the air source main pipe is large, the actual discharge capacity of the air source main pipe can be monitored and obtained in time through the detection system and fed back to the injection regulation and control system, the injection regulation and control system reasonably sets the injection process of each bag dust collector according to the actual discharge capacity and the working state of each bag dust collector, so that each bag dust collector is injected orderly, the pressure stability of the air source main pipe is ensured, the stability of injection of each bag dust collector is also facilitated, the pressure fluctuation of the air source main pipe is avoided, the gas output of the injection pipe of each bag dust collector is unstable, and the injection effect cannot be achieved.
Furthermore, the first data transceiver, the second data transceiver and the controller are all provided with wireless communication modules, and data transmission is carried out among the first data transceiver, the second data transceiver and the controller in a wireless communication mode.
Furthermore, the control system for the multi-zone-dispersed multi-bag dust collector is also provided with a display, and the display is connected with the first data transceiver. The display is used for displaying the working state of each bag dust collector and the real-time pressure and pressure difference condition of each bag dust collector, and is beneficial to monitoring and managing each bag dust collector by an operator.
The control method of the control system for the multi-zone dispersed multi-bag dust collector comprises the following steps:
(1) uniformly managing each bag dust collector in different working areas, starting a system, inputting the safe value ranges of the pressure and the differential pressure of the bag dust collectors, the lowest pressure limit value of the air source main pipe and the pipe diameter parameters of the air source main pipe and the injection pipes of each bag dust collector into the system, and storing the parameters into a memory for a first central processing unit to read;
(2) the gas source main pipe is tested, specifically, a second central processing unit sends an opening instruction to the pressure release valve through the second transceiver, the pressure release valve opens to release pressure, the first pressure gauge monitors the pressure of the gas source main pipe in real time, when the pressure of the air source main pipe is reduced to the lowest pressure limit value, the second central processing unit sends a closing instruction to the pressure release valve through the second transceiver, and simultaneously records the time from the opening to the closing of the pressure release valve, and the second central processing unit calculates the maximum discharge capacity of the blowing gas provided by the air source main pipe according to the real-time monitored pressure of the air source main pipe and the pipe diameter parameter of the air source main pipe, then when the pressure of the air source main pipe is restored to the initial pressure, the second central processing unit records the time from the closing of the pressure release valve to the time when the pressure of the air source main pipe is restored to the initial pressure as the minimum blowing interval time, the minimum interval time for restarting the blowing operation after the complete blowing process of the system is finished is obtained; the maximum discharge capacity and the minimum blowing interval time of the air source main pipe and the real-time monitored pressure information of the air source main pipe are sent to the first central processing unit to be processed and then stored in the memory;
(3) the first central processing unit calculates the discharge capacity of the injection pipe of each bag dust collector according to the pressure of the air source main pipe and the pipe diameter parameter of the injection pipe of each bag dust collector;
(4) the method comprises the steps that a first central processing unit sets blowing processes according to preset rules, n times of blowing are carried out in each blowing process, m electromagnetic valves are opened in each time of blowing, the time of each time of blowing is t milliseconds, each time of blowing interval is larger than or equal to the minimum blowing time, the total discharge capacity of each time of blowing is smaller than or equal to the discharge capacity of an air source main pipe, n, m and t are randomly selected natural numbers, n is larger than the number value of the electromagnetic valves in a bag type dust collector provided with the most electromagnetic valves, and each electromagnetic valve is guaranteed to be opened at least once in one blowing process;
(5) when the next blowing process starts, the first central processing unit carries out range standardization on the pressure difference value of each bag dust collector, and the range standardization value of the pressure difference of each bag dust collector is obtained by calculating according to the following formula:
ΔP1=（ΔP0-ΔPmin）/（ΔPmax-ΔPmin) X 100% where Δ P1Indicating a normalized value of the pressure difference, Δ P0Indicating the measured value of the pressure difference, Δ PminRepresenting the minimum value, Δ P, of the range of safety values of the pressure differencemaxA maximum value of a safety value range representing the pressure difference; then grouping according to the normalized value of the pressure difference of each bag dust collector, wherein the bag dust collectors with the normalized value of the pressure difference larger than 70% are divided into a first group, the bag dust collectors with the normalized value of the pressure difference larger than 30% and smaller than or equal to 70% are divided into a second group, and the bag dust collectors with the normalized value of the pressure difference smaller than or equal to 30% are divided into a third group;
setting the blowing process according to the step (4), wherein in one blowing process, each electromagnetic valve of the bag dust collectors in the first group is opened at least twice, each electromagnetic valve of the bag dust collectors in the second group is opened at least once, and each electromagnetic valve of the bag dust collectors in the third group can be opened once or temporarily not opened; therefore, the bag dust collector with large dust collection amount can be effectively distinguished to carry out multiple times of injection, the bag dust collector is prevented from being not blocked, the gas purification effect of the bag dust collector is ensured, the injection frequency is reduced corresponding to the bag dust collector with small dust collection amount, the excessive injection increase consumption of injected gas is prevented, and the damage to a pulse valve diaphragm and a dust removal bag can be reduced;
(6) repeatedly carrying out the blowing process of the bag dust collectors according to the step (5), and regularly controlling the star-shaped discharger of each bag dust collector to discharge ash, wherein the ash discharge process is selected between the two blowing processes; the working state, the pressure difference and the pressure condition of each cloth bag dust collector are conveyed to the display to be displayed by the first central processing unit, an operator can monitor the condition of each cloth bag dust collector through the display, if a fault condition occurs, the controller of each cloth bag dust collector gives an alarm through the audible and visual alarm, and meanwhile, the first central processing unit gives an alarm through the display.
Further, in the step (4), the number of the electromagnetic valves opened in each blowing is the same, and in the opened electromagnetic valves, the proportion of the number of the electromagnetic valves belonging to the same bag dust collector to the total number of the opened electromagnetic valves is not more than 30%, and the proportion of the number of the electromagnetic valves belonging to the same area bag dust collector to the total number of the opened electromagnetic valves is not more than 50%.
Furthermore, the time of the first central processing unit, the second central processing unit and the controller of each bag dust collector is synchronized at zero point every day. The system time of each bag dust collector is ensured to be the same, the control basis of the electromagnetic valve is the same, and the blowing cooperative control is realized.
Compared with the prior art, the technical scheme has the following beneficial effects:
the utility model carries out unified and automatic management to each bag dust collector in different working areas through the detection system of the air source main pipe combined with the blowing regulation and control system of the bag dust collector, reasonably arranges each bag dust collector in different working areas for blowing operation according to the discharge capacity of the air source main pipe and the blowing main pipe, ensures that each blowing pipe has stable air output in each blowing process so as to obtain the best blowing effect, simultaneously adjusts the blowing times of the bag dust collector according to the real-time pressure and pressure difference condition of each bag dust collector, blows more bag dust collectors with large dust collection amount, blows less bag dust collectors with small dust collection amount, thereby achieves the comprehensive regulation and control of the blowing operation of each bag dust collector, improves the blowing efficiency, thereby realizes the automatic high-efficiency control of a plurality of bag dust collectors in different areas, and has simple structure, the installation is convenient, the cost is low, and the problems of large difficulty and high cost of centralized control of the control system of the existing bag type dust collector are effectively solved.
Drawings
Fig. 1 is a schematic connection diagram of a control system for multi-zone distributed multi-bag dust collectors according to embodiment 1.
Figure 2 is a schematic view of the connection of the first blowing system described in this example 1.
Detailed Description
The present invention is further illustrated, but not limited, by the following examples. The specific experimental conditions and methods not indicated in the following examples are generally conventional means well known to those skilled in the art.
Example 1:
a control system for a plurality of bag-type dust collectors with multi-zone dispersion comprises a first data transceiver, a first central processing unit, a memory, a first pressure gauge, a pressure release valve, a second data transceiver, a second central processing unit and more than one blowing system; the first pressure gauge is connected with an air source main pipe for blowing of the bag dust collector, monitors the pressure of the air source main pipe in real time and transmits pressure information to the second central processing unit; the pressure relief valve is connected with the gas source main pipe; the second data transceiver is respectively connected with the first pressure gauge and the pressure relief valve, and the second central processing unit is connected with the second data transceiver;
the first central processing unit is respectively connected with the first data transceiver and the memory; the first data transceiver is connected with the second data transceiver;
each blowing system is correspondingly connected with a bag dust collector, and each blowing system is connected with a first data transceiver; the blowing system comprises a controller, a second pressure gauge, a differential pressure gauge, a star-shaped discharger, a collector, an audible and visual alarm and more than one electromagnetic valve; the controller is respectively connected with the second pressure gauge, the differential pressure gauge, the star-shaped discharger and the audible and visual alarm; the second pressure gauge is used for monitoring the pressure of the bag dust collector and transmitting pressure information to the controller, the differential pressure gauge is used for monitoring the differential pressure of the bag dust collector and transmitting the pressure information to the controller, and when the controller receives that the pressure and the differential pressure information of the bag dust collector exceed a safety value range, the controller sends an instruction to the audible and visual alarm to give an alarm; the star-shaped discharger is mounted on a dust discharge pipeline of the bag dust collector, the collector is connected with the dust discharge pipeline, and the controller sends an opening or closing instruction to the star-shaped discharger to discharge dust collected in the bag dust collector into the collector for collection and treatment; each electromagnetic valve is correspondingly arranged on one injection pipe in the bag dust collector, is connected with the controller, and blows injection gas into the bag dust collector to perform injection operation by receiving an opening or closing instruction from the controller; the controller is connected with the first data transceiver, controls the opening and closing of the electromagnetic valve and the star-shaped discharge valve according to an instruction sent by the first central processing unit, and simultaneously sends real-time pressure and differential pressure information of the bag dust collector to the first central processing unit; a control system for many bag dust collectors of multizone dispersion still is equipped with the display, the display is connected with first data transceiver, the display is used for showing the operating condition of each bag dust collector and with and real-time pressure and the pressure differential condition, does benefit to operating personnel and monitors the management to every bag dust collector.
The first central processor and the second central processor can adopt the existing 32-bit or 64-bit processor chip.
The control method of the control system for the multi-zone dispersed multi-bag dust collector in the embodiment comprises the following steps:
(1) i cloth bag dust collectors in different working areas are managed in a unified mode, and k electromagnetic valves are arranged in each cloth bag dust collector; starting the system, inputting the safe value ranges of the pressure and the pressure difference of the bag dust collectors, the lowest pressure limit value of the air source main pipe and the pipe diameter parameters of the air source main pipe and the injection pipes of the bag dust collectors into the system, and storing the parameters into a memory for the first central processing unit to read;
(2) the gas source main pipe is tested, specifically, a second central processing unit sends an opening instruction to the pressure release valve through the second transceiver, the pressure release valve opens to release pressure, the first pressure gauge monitors the pressure of the gas source main pipe in real time, when the pressure of the air source main pipe is reduced to the lowest pressure limit value, the second central processing unit sends a closing instruction to the pressure release valve through the second transceiver, and simultaneously records the time from the opening to the closing of the pressure release valve, and the second central processing unit calculates the maximum discharge capacity of the blowing gas provided by the air source main pipe according to the real-time monitored pressure of the air source main pipe and the pipe diameter parameter of the air source main pipe, then when the pressure of the air source main pipe is restored to the initial pressure, the second central processing unit records the time from the closing of the pressure release valve to the time when the pressure of the air source main pipe is restored to the initial pressure as the minimum blowing interval time, the minimum interval time for restarting the blowing operation after the complete blowing process of the system is finished is obtained; the maximum discharge capacity and the minimum blowing interval time of the air source main pipe and the real-time monitored pressure information of the air source main pipe are sent to the first central processing unit to be processed and then stored in the memory;
(3) the first central processing unit calculates the discharge capacity of the injection pipe of each bag dust collector according to the pressure of the air source main pipe and the pipe diameter parameter of the injection pipe of each bag dust collector;
(4) the method comprises the steps that a first central processing unit sets blowing processes according to preset rules, n times of blowing are carried out in each blowing process, m electromagnetic valves are opened in each time of blowing, the time of each time of blowing is 200 milliseconds, each blowing interval is larger than or equal to the minimum blowing time, the total discharge capacity of each time of blowing is smaller than or equal to the discharge capacity of an air source main pipe, n = k +2, m = k, and each electromagnetic valve is guaranteed to be opened at least once in one blowing process; in the opened electromagnetic valves, the proportion of the number of the electromagnetic valves belonging to the same bag dust collector to the total number of the opened electromagnetic valves is not more than 30 percent, and the proportion of the number of the electromagnetic valves belonging to the same area bag dust collector to the total number of the opened electromagnetic valves is not more than 50 percent;
(5) when the next blowing process starts, the first central processing unit carries out range standardization on the pressure difference value of each bag dust collector, and the range standardization value of the pressure difference of each bag dust collector is obtained by calculating according to the following formula:
ΔP1=（ΔP0-ΔPmin）/（ΔPmax-ΔPmin) X 100% where Δ P1Indicating normalization of pressure differenceValue, Δ P0Indicating the measured value of the pressure difference, Δ PminRepresenting the minimum value, Δ P, of the range of safety values of the pressure differencemaxA maximum value of a safety value range representing the pressure difference; then grouping according to the normalized value of the pressure difference of each bag dust collector, wherein the bag dust collectors with the normalized value of the pressure difference larger than 70% are divided into a first group, the bag dust collectors with the normalized value of the pressure difference larger than 30% and smaller than or equal to 70% are divided into a second group, and the bag dust collectors with the normalized value of the pressure difference smaller than or equal to 30% are divided into a third group;
setting the blowing process according to the step (4), wherein in one blowing process, each electromagnetic valve of the bag dust collectors in the first group is opened at least twice, each electromagnetic valve of the bag dust collectors in the second group is opened at least once, and each electromagnetic valve of the bag dust collectors in the third group can be opened once or temporarily not opened;
(6) repeatedly carrying out the blowing process of the bag dust collectors according to the step (5), and regularly controlling the star-shaped discharger of each bag dust collector to discharge ash, wherein the ash discharge process is selected between the two blowing processes; the working state, the pressure difference and the pressure condition of each cloth bag dust collector are conveyed to the display to be displayed by the first central processing unit, an operator can monitor the condition of each cloth bag dust collector through the display, if a fault condition occurs, the controller of each cloth bag dust collector gives an alarm through the audible and visual alarm, and meanwhile, the first central processing unit gives an alarm through the display.
Example 2:
the control system for the multi-zone dispersed multiple bag dust collectors in the embodiment is different from the control system in the embodiment 1 in that the first data transceiver, the second data transceiver and the controller are respectively provided with a wireless communication module, and data transmission is performed among the first data transceiver, the second data transceiver and the controller in a wireless communication mode; the wireless communication module can adopt a wireless WIFI communication module.
The control method of the control system of this embodiment is different from that of embodiment 1 in that the first central processing unit, the second central processing unit, and the controller of each bag dust collector are synchronized at the zero point of each day. The system time of each bag dust collector is ensured to be the same, the control basis of the electromagnetic valve is the same, and the blowing cooperative control is realized.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (3)
1. A control system for multi-zone dispersed multi-bag dust collector is characterized in that: the system comprises a first data transceiver, a first central processing unit, a memory, a first pressure gauge, a pressure relief valve, a second data transceiver, a second central processing unit and more than one blowing system; the first pressure gauge is connected with an air source main pipe for blowing of the bag dust collector, monitors the pressure of the air source main pipe in real time and transmits pressure information to the second central processing unit; the pressure relief valve is connected with the gas source main pipe; the second data transceiver is respectively connected with the first pressure gauge and the pressure relief valve, and the second central processing unit is connected with the second data transceiver;
the first central processing unit is respectively connected with the first data transceiver and the memory; the first data transceiver is connected with the second data transceiver;
each blowing system is correspondingly connected with a bag dust collector, and each blowing system is connected with a first data transceiver; the blowing system comprises a controller, a second pressure gauge, a differential pressure gauge, a star-shaped discharger, a collector, an audible and visual alarm and more than one electromagnetic valve; the controller is respectively connected with the second pressure gauge, the differential pressure gauge, the star-shaped discharger and the audible and visual alarm; the second pressure gauge is used for monitoring the pressure of the bag dust collector and transmitting pressure information to the controller, the differential pressure gauge is used for monitoring the differential pressure of the bag dust collector and transmitting the pressure information to the controller, and when the controller receives that the pressure and the differential pressure information of the bag dust collector exceed a safety value range, the controller sends an instruction to the audible and visual alarm to give an alarm; the star-shaped discharger is mounted on a dust discharge pipeline of the bag dust collector, the collector is connected with the dust discharge pipeline, and the controller sends an opening or closing instruction to the star-shaped discharger to discharge dust collected in the bag dust collector into the collector for collection and treatment; each electromagnetic valve is correspondingly arranged on one injection pipe in the bag dust collector, is connected with the controller, and blows injection gas into the bag dust collector to perform injection operation by receiving an opening or closing instruction from the controller; the controller is connected with the first data transceiver, controls the opening and closing of the electromagnetic valve and the star-shaped discharge valve according to an instruction sent by the first central processing unit, and simultaneously sends real-time pressure and differential pressure information of the bag dust collector to the first central processing unit.
2. The control system for a multiregion decentralized multi-bag dust collector according to claim 1, characterized in that: the first data transceiver, the second data transceiver and the controller are all provided with wireless communication modules, and data transmission is carried out among the first data transceiver, the second data transceiver and the controller in a wireless communication mode.
3. The control system for a multiregion decentralized multi-bag dust collector according to claim 1, characterized in that: the control system for the multi-zone-dispersed multi-bag dust collector is further provided with a display, and the display is connected with the first data transceiver.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114534383A (en) * | 2022-03-25 | 2022-05-27 | 无锡红旗除尘设备有限公司 | Pulse blowing control method |
| CN115008564A (en) * | 2022-04-19 | 2022-09-06 | 国网山东省电力公司潍坊供电公司 | Wood powder collecting device capable of reducing wood dust pollution and collecting method thereof |
| TWI790847B (en) * | 2021-12-08 | 2023-01-21 | 桓達科技股份有限公司 | Dust collection system having a function of addressing deteriorated filter bag and positioning method for deteriorated filter bag thereof |
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2020
- 2020-12-10 CN CN202022937116.1U patent/CN214634791U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI790847B (en) * | 2021-12-08 | 2023-01-21 | 桓達科技股份有限公司 | Dust collection system having a function of addressing deteriorated filter bag and positioning method for deteriorated filter bag thereof |
| CN114534383A (en) * | 2022-03-25 | 2022-05-27 | 无锡红旗除尘设备有限公司 | Pulse blowing control method |
| CN115008564A (en) * | 2022-04-19 | 2022-09-06 | 国网山东省电力公司潍坊供电公司 | Wood powder collecting device capable of reducing wood dust pollution and collecting method thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240509 Address after: Qisha Industrial Zone, Qisha Town, Gangkou District, Fangchenggang City, Guangxi Zhuang Autonomous Region (Jinchuan Industrial Park) Patentee after: GUANGXI JINCHUAN NON-FERROUS METALS CO.,LTD. Country or region after: China Patentee after: Jinchuan Group Copper Gui Co.,Ltd. Address before: Qisha Industrial Zone, Qisha Town, Gangkou District, Fangchenggang City, Guangxi Zhuang Autonomous Region (Jinchuan Industrial Park) Patentee before: GUANGXI JINCHUAN NON-FERROUS METALS CO.,LTD. Country or region before: China Patentee before: JINCHUAN GROUP Co.,Ltd. |