CN109482004B - Intelligent industrial flue gas and dust treatment cloud platform and control method thereof - Google Patents
Intelligent industrial flue gas and dust treatment cloud platform and control method thereof Download PDFInfo
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 239000003546 flue gas Substances 0.000 title claims abstract description 30
- 239000003500 flue dust Substances 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000000428 dust Substances 0.000 claims abstract description 156
- 238000001514 detection method Methods 0.000 claims abstract description 109
- 238000001914 filtration Methods 0.000 claims abstract description 32
- 238000012544 monitoring process Methods 0.000 claims abstract description 19
- 238000004891 communication Methods 0.000 claims abstract description 10
- 230000008569 process Effects 0.000 claims abstract description 9
- 238000007664 blowing Methods 0.000 claims description 42
- 239000007789 gas Substances 0.000 claims description 32
- 238000002347 injection Methods 0.000 claims description 23
- 239000007924 injection Substances 0.000 claims description 23
- 238000007599 discharging Methods 0.000 claims description 22
- 238000009826 distribution Methods 0.000 claims description 18
- 238000003860 storage Methods 0.000 claims description 11
- 238000004887 air purification Methods 0.000 claims description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 238000004880 explosion Methods 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 238000011161 development Methods 0.000 abstract description 3
- 230000007246 mechanism Effects 0.000 description 5
- 239000002245 particle Substances 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
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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
-
- 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
- B01D46/0084—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
- B01D46/0095—Means acting upon failure of the filtering system, e.g. in case of damage of the filter elements; Failsafes
-
- 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
-
- 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
- B01D46/46—Auxiliary equipment or operation thereof controlling filtration automatic
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
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Abstract
The invention relates to an intelligent industrial flue gas and dust treatment cloud platform, which comprises a dust removal system and a control system, wherein the dust removal system is composed of a plurality of execution devices and fixing devices and is used for filtering and removing dust from flue gas; the control system includes: the detection devices are used for respectively detecting a plurality of parameters in the dust removal system and outputting corresponding detection signals; the cloud server is in communication connection with each detection device and each execution device and is used for monitoring and counting parameters of the dust removal system and generating control signals and alarm signals for controlling each execution device based on the monitored parameters; and the plurality of mobile monitoring terminals are in communication connection with the cloud server and are used for monitoring parameters and checking alarm signals of the dust removal system. The invention can automatically control and monitor the dust removal process, has higher intelligence, adapts to the requirement of technical development, can reduce the working intensity of personnel and obtains better effect.
Description
Technical Field
The invention belongs to the field of industrial dust removal, and particularly relates to a comprehensive system for treating and removing dust from dust-containing flue gas and a control method adopted by the comprehensive system.
Background
The existing industrial dust removal system does not have an automatic management control system, but often adopts a scheme of manual control according to experience, on one hand, the control mode has high requirements on the quality of personnel, and on the other hand, the working state of the dust removal system cannot be managed and counted in real time. Therefore, the existing industrial dust removal system is not intelligent and does not meet the development requirement.
Disclosure of Invention
The invention aims to provide an intelligent industrial flue gas and dust treatment cloud platform which can automatically control a working process and effectively monitor the working process.
In order to achieve the purpose, the invention adopts the technical scheme that:
a smart industrial flue gas and dust treatment cloud platform comprises a dust removal system and a control system, wherein the dust removal system is composed of a plurality of execution devices and fixing devices and is used for filtering and removing dust from flue gas;
the control system includes:
the detection devices are used for respectively detecting a plurality of parameters in the dust removal system and outputting corresponding detection signals;
the cloud server is in communication connection with each detection device and each execution device and is used for monitoring and counting parameters of the dust removal system and generating control signals and alarm signals for controlling each execution device based on the monitored parameters;
and the plurality of mobile monitoring terminals are in communication connection with the cloud server and are used for monitoring parameters and checking alarm signals of the dust removal system.
Preferably, the dust removal system is divided into a filtering subsystem, an induced air subsystem, an ash removal subsystem and an ash discharge subsystem, and the induced air subsystem, the ash removal subsystem and the ash discharge subsystem are all connected with the filtering subsystem;
the fixing device includes: the filter subsystem is provided with a filter bin with an air inlet and a plurality of filter bags arranged in the filter bin; one end of the induced air subsystem is communicated with the interior of the filter bin; the dust cleaning subsystem comprises a gas storage tank for storing gas for injection, a pressure pipeline with one end connected with the gas storage tank, a gas distribution box arranged at the other end of the pressure pipeline, an injection pipe connected with the gas distribution box, a plurality of nozzles connected with the injection pipe and corresponding to the interiors of the filter bags, and a clean gas bin used for arranging the nozzles and the injection pipe and provided with an air outlet; the dust discharging subsystem comprises a dust bin and a dust conveying system, wherein the dust bin is connected with the bottom of the filtering bin to store dust;
the execution device comprises: the draught fan is arranged at the other end of the draught pipe in the draught subsystem; the ash removal subsystem comprises an electromagnetic pulse valve and a shutter, wherein the electromagnetic pulse valve is arranged on the air distribution box and used for controlling the blowing ash removal airflow, and the shutter is arranged at an air outlet of the air purification bin and can open or close the air outlet; the ash discharging subsystem is connected with the ash bin and an ash discharging valve of the dust conveying system, and is used for driving a pneumatic arch breaker for dust flowing in the ash bin.
Preferably, the dust collector comprises a fan state detection sensor for detecting whether the fan is started to work, a fan parameter detection sensor for detecting the current and the revolution of the fan in real time, a fan air quantity detection sensor for detecting the air quantity of an air outlet of the fan, an inlet air quantity detection sensor for detecting the air quantity of an air inlet of the filter bin, an inlet dust concentration detection sensor for detecting the dust concentration of the air inlet of the filter bin, an inlet temperature detection sensor for detecting the temperature of the air inlet of the filter bin, an outlet dust concentration detection sensor for detecting the dust concentration of the air outlet of the air purification bin, an outlet temperature detection sensor for detecting the temperature of the air outlet of the air purification bin, a pressure difference detection sensor for detecting the pressure difference between the inside and the outside of the filter bag, a dust concentration detection sensor for detecting the dust concentration at the air outlet of each air purification bin or at the inside of the filter bag or at, The device comprises a gas tank pressure detection sensor for detecting the pressure in the gas storage tank, a pipeline pressure detection sensor for detecting the pressure in the pressure pipeline, a gas bag pressure detection sensor for detecting the pressure in the gas distribution tank, an electromagnetic pulse valve detection sensor for detecting working parameters of an electromagnetic pulse valve, a shutter detection sensor for detecting the working state of a shutter, a material level detection sensor for detecting the material level in the ash bin, an arch breaking detection sensor for detecting the working state of the arch breaking device for removing dust on the side wall of the ash bin, an ash unloading valve detection sensor for detecting the state of the ash unloading valve, and a dust conveying detection sensor for detecting whether the dust conveying system normally works.
Preferably, the actuator further comprises a spark quenching device for quenching sparks upstream of the intake vent; the detection device also comprises a spark detection sensor for detecting whether sparks enter the electromagnetic pulse valve or not and a spark extinguishing detection sensor for detecting whether the spark extinguishing device is started to work or not.
Preferably, the executing device further comprises an explosion discharging device for discharging explosion of the dust removing system; the detection device also comprises an explosion-discharging detection sensor for detecting whether the explosion-discharging device is opened or not.
Preferably, the shutter includes a cover plate corresponding to the outlet, a main driving device for driving the cover plate to move to open or close the outlet, and an auxiliary driving device for driving the cover plate to move to open or close the outlet when the main driving device fails.
Preferably, the main driving device and the sub-driving device of the shutter adopt any one of the following schemes:
the first scheme is as follows: the main driving device comprises an air cylinder in communication connection with the cloud server, the cover plate is mounted on a piston rod of the air cylinder and moves along with the piston rod, the auxiliary driving device comprises a motor which is mounted on the piston rod and can drive the piston rod to rotate, and the motor is in signal connection with the cloud server; the detection device also comprises a cylinder detection sensor for detecting whether the cylinder works normally;
scheme II: the air outlet is provided with a conduit, the upper end surface of which is inclined relative to the plane of the air outlet and is positioned in the air purifying bin; the main driving device comprises an upper air cylinder, the cover plate is connected with a piston rod of the upper air cylinder through a universal shaft, the auxiliary driving device comprises a lower air cylinder located on the outer side of the highest position of the guide pipe and an armature iron installed on the lower air cylinder, and the armature iron is located below the cover plate;
the third scheme is as follows: the air outlet is provided with a conduit, the upper end surface of which is inclined relative to the plane of the air outlet and is positioned in the air purifying bin; the main driving device comprises a first air cylinder arranged corresponding to the air outlet, and the cover plate is connected with a piston rod of the first air cylinder through a universal shaft; the secondary driving means includes a second cylinder located outside the highest position of the guide duct and corresponding to the cover plate.
Preferably, the mobile monitoring terminal is a mobile phone.
A control method adopted by the intelligent industrial flue gas and dust treatment cloud platform comprises the following steps: in the process of dedusting of the dedusting system, the control system respectively detects multiple parameters in the dedusting system through the detection devices and outputs corresponding detection signals, the detection signals are transmitted to the cloud server, a standard range is preset in the cloud server for each parameter, when the parameters exceed the standard range of the parameters, the cloud server sends out corresponding alarm signals, and the cloud server sends out corresponding control signals to the execution devices related to the parameters, so that the working states of the execution devices are changed to adjust the parameters to be returned to the standard ranges of the execution devices; the cloud server counts the detected parameters and generates a corresponding report; when the mobile monitoring terminal is used, the cloud server transmits the detection signal and/or the alarm signal to the mobile monitoring terminal for checking.
Preferably, in the ash removal subsystem, the cloud server controls and adjusts any one or more of the blowing time, the blowing pressure and the blowing frequency of the filter bag within an adjusting range according to the service time of the filter bag and the pressure difference between the inside and the outside of the filter bag.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: the intelligent industrial flue gas and dust treatment cloud platform can automatically control and monitor the dust removal process, so that the intelligent industrial flue gas and dust treatment cloud platform has higher intelligence, meets the requirement of technical development, can reduce the working intensity of personnel, and obtains better dust removal and control effects.
Drawings
Fig. 1 is a schematic diagram of the intelligent industrial flue gas and dust treatment cloud platform (in the figure, an arc arrow indicates the gas flow direction during filtering).
Fig. 2 is a schematic view of a first embodiment of the shutter according to the invention.
Fig. 3 is a schematic view of a second embodiment of the shutter according to the invention.
Fig. 4 is a schematic view of a second embodiment of the shutter according to the invention.
Fig. 5 is a schematic view of a third embodiment of the shutter according to the invention.
Fig. 6 is a schematic view of a third embodiment of the shutter according to the invention.
In the above drawings: 110. a filtration subsystem; 111. a filtering bin; 112. a filter bag; 113. an air flow distribution device; 114. an air inlet;
120. an induced draft subsystem; 121. an induced draft pipe; 122. a fan;
130. a dust removal subsystem; 131. a gas storage tank; 132. a pressure line; 133. a gas distribution box; 134. an electromagnetic pulse valve; 135. a blowing pipe; 136. a nozzle; 137. a gas purification bin; 138. a shutter;
140. an ash discharge subsystem; 141. an ash bin; 142. an ash discharge valve; 143. a dust conveying system;
1. a body; 5. an air outlet; 6. a cover plate; 7. a motor; 8. a cylinder; 9. a housing; 10. a speed reduction mechanism; 11. upper/first cylinder; 12. lower/second cylinder; 13. an armature; 14. a conduit.
Detailed Description
The invention will be further described with reference to examples of embodiments shown in the drawings to which the invention is attached.
The first embodiment is as follows: as shown in the attached figure 1, the intelligent industrial flue gas and dust treatment cloud platform comprises a dust removal system and a control system. The dust removal system is used for filtering and removing dust from the flue gas and comprises a plurality of execution devices and fixing devices. The control system is connected with the dust removal system and controls each execution device in the dust removal system.
The dust removal system is divided into four major parts, namely a filtering subsystem 110, an induced air subsystem 120, an ash cleaning subsystem 130 and an ash discharging subsystem 140, wherein the induced air subsystem 120, the ash cleaning subsystem 130 and the ash discharging subsystem 140 are all connected with the filtering subsystem 110, and each subsystem comprises different execution devices and fixing devices.
The filtering subsystem 110 is used for filtering the flue gas, and includes a filtering bin 111 and a plurality of filter bags 112 disposed in the filtering bin 111. The filter silo 111 has an inlet opening 114, along which the material to be treated enters the filter silo 111 from the inlet opening 114. An air flow distribution device 113 for uniformly distributing air flow is also arranged in the filter bin 111 corresponding to the air inlet 114. The filter bags 112 are usually suspended on the top of the filter bin 111, and the top of the filter bin 111 is provided with through holes corresponding to the filter bags 112, and after the filter bags 112 are suspended and installed, the insides of the filter bags 112 are communicated with the through holes. After the flue gas enters the filter bin 111, firstly, because the cross section area of the airflow is suddenly increased and the flow speed is reduced, a part of large particles, dust with large density and condensed dust particles in the airflow are rotated down along the bin wall of the filter bin 111 under the action of centrifugal force and gravity; then, dust particles with fine particle size and small density are suspended in the gas and pass through the gas flow distribution device 113, uniformly enter the middle part of the filter chamber and are dispersed in gaps of the filter bag 112, and pass through a large number of filter holes on the filter bag 112 from the outer side of the filter bag 112 to the inner side of the filter bag 112 through the actions of inertial collision, screening and the like on the surface of the filter bag 112, so that the dust is filtered, the filtered dust is intercepted on the filter bag 112, and the filtered purified gas flows to the through holes from the inner part of the filter bag 112. The filter bin 111, the filter bag 112 and the air flow distributor 113 in the filter subsystem 110 are all fixed devices.
The induced air subsystem 120 is used for guiding the circulation of the flue gas in the filtering subsystem 110, and includes an induced air pipe 121 with one end directly or indirectly communicated with the inside of the filtering bin 111, and a fan 122 arranged at the other end of the induced air pipe 121. Wherein the induced draft duct 121 is in a fixed device and the blower 122 belongs to an actuating device. The induced air subsystem 120 has two types, one is a system for inducing air in a negative pressure air draft mode, and an induced air pipe 121 of the induced air subsystem is connected with the tail end of a filter bin 111 of the dust removal subsystem; the other is a system for supplying air by positive pressure air delivery, and an induced draft pipe 121 of the system is connected with the front end of the filter bin 111, namely an air inlet 114. In fig. 1, a first type of induced air subsystem 120 is used.
The ash removal subsystem 130 is used for cleaning dust trapped on the filter bags 112, and includes an air storage tank 131 for storing blowing air, a pressure pipeline 132 with one end connected with the air storage tank 131, an air distribution box 133 arranged at the other end of the pressure pipeline 132, an electromagnetic pulse valve 134 arranged on the air distribution box 133 for controlling blowing ash removal air flow therein, an injection tube 135 connected with the air distribution box 133, a plurality of nozzles 136 connected with the injection tube 135 and corresponding to the interiors of the filter bags 112, a clean air bin 137 for arranging the local parts of the nozzles 136 and the injection tube 135 and having an air outlet 5, and an open-close device 138 arranged at the air outlet 5 of the clean air bin 137 and capable of opening or closing the air outlet 5. The air storage tank 131, the pressure pipe 132, the air distribution tank 133, the blowing pipe 135, the nozzle 136 and the clean air chamber 137 belong to a fixed device, and the electromagnetic pulse valve 134 and the shutter 138 belong to an actuating device. The clean air chamber 137 is generally disposed above the filter chamber 111, so as to be connected to the filter chamber 111 through a corresponding through hole of each filter bag 112. The airflow filtered by the filter bin 111 enters the clean air bin 137 and is discharged from the air outlet 5 of the clean air bin 137 in an open state, so that the air guiding pipe 121 can be connected to the air outlet 5 of the clean air bin 137, which is equivalent to being connected with the filter bin 111. When the filtration subsystem 110 is operated for a period of time such that a significant amount of dust is trapped on the filter bag 112, a dust removal is required. At this time, the shutter 138 closes the air outlet 5 of the clean air chamber 137, and the blowing air in the air storage tank 131 is delivered to the air distribution box 133 through the pressure pipe 132, so that the air is reversely blown toward each filter bag 112 through the blowing pipe 135 and the nozzle 136 at a specific blowing time, blowing pressure, and blowing frequency by the control of the electromagnetic pulse valve 134, and at least part of the dust attached to the outside of the filter bag 112 falls off.
The shutter 138 may take a variety of forms, the basic form being: the motor 7 and the cover plate 6 driven by the motor to rotate or move are adopted, so that the opening or closing of the air outlet 5 is realized by moving the cover plate 6 to different positions. The shutter 138 of this basic form causes a problem in the dust removal process when the motor 7 fails, and cannot open and close the air outlet 5 correctly along with the dust removal process. Therefore, the shutter 138 is modified such that the shutter 138 includes a cover 6 corresponding to the outlet 5, a main driving device for driving the cover 6 to move to open or close the outlet 5, and a sub-driving device for driving the cover 6 to move to open or close the outlet 5 when the main driving device fails. The main drive and the sub-drive of the shutter 138 may be selected from any of the following options:
the first scheme is as follows: as shown in fig. 2, the main driving device comprises a cylinder 8, and a cover plate 6 is mounted on a piston rod of the cylinder 8 and moves up and down along with the expansion and contraction of the piston rod; the secondary drive means comprises a motor 7 mounted on the piston rod and capable of driving the piston rod in rotation. A housing 9 for accommodating its piston rod and the electric motor 7 can be mounted on the cylinder 8, so that at least part of the piston rod is in driving connection with the electric motor 7 through the housing 9. A speed reduction mechanism 10 and a transmission mechanism (e.g., a worm mechanism) may be disposed between the motor 7 and the piston rod to convert the rotation output by the motor 7 into the rotation of the piston rod. In general, the air cylinder 8 drives the cover plate 6 to move so as to open or close the air outlet 5. When the cylinder 8 is out of work, the piston rod of the cylinder drops to enable the cover plate 6 to close the air outlet 5, if the air outlet 5 is in a filtering and dust removing state, the air outlet 5 is kept open, the piston rod is driven to rotate by the motor 7, the cover plate 6 is driven to rotate to the position where the air outlet 5 is not covered, and the air outlet 5 cannot be closed by the cover plate 6. The cylinder 8 and the motor 7 both belong to an actuating mechanism.
Scheme II: as shown in fig. 3 and fig. 4, the air outlet 5 is provided with a conduit 14, the upper end surface of which is inclined relative to the plane of the air outlet 5 and is located in the air purifying chamber 137, at this time, the main driving device comprises an upper air cylinder 11, and the cover plate 6 is connected with the piston rod of the upper air cylinder 11 through a universal shaft; and the auxiliary driving device comprises a lower air cylinder 12 positioned at the outer side of the highest part of the guide pipe 14 and an armature 13 arranged on the lower air cylinder 12, wherein the armature 13 is positioned below the cover plate 6, and the upper end surface of the armature 13 is an arc-shaped surface. For example, the lowest of the side walls of the conduit 14 is to the left of the highest of the side walls, and the piston rod of the lower cylinder 12 is to the right of the conduit 14. When the upper cylinder 11 fails and the piston rod falls freely to cause the cover plate 6 to be covered on the guide pipe 14, the armature 13 is controlled to be electrified to generate magnetism, meanwhile, the lower cylinder 12 extends upwards, after the armature 13 is contacted with the cover plate 6, the cover plate 6 is connected with the armature 13 by utilizing strong magnetism, then, the lower cylinder 12 can continuously move upwards to drive the piston rod of the upper cylinder 11 and the cover plate 6 to move upwards together, the guide pipe 14 is opened to ensure the normal operation of the dust remover, the lower cylinder 12 can also move downwards after the cover plate 6 is connected with the armature 13, the highest point of the guide pipe 14 is used as a fulcrum, the adsorption force of the armature 13 is a downward pulling force, the cover plate 6 is tilted, the guide pipe 14 is opened, an air guide plate can be formed on the guide pipe 14 at the same time, the air outlet efficiency of the air outlet 5 is improved, the power of an exhaust fan 122 at the air outlet 5 can be further reduced, and the energy consumption is reduced.
The third scheme is as follows: as shown in fig. 5, the air outlet 5 is provided with a duct 14, the upper end surface of which is inclined relative to the plane of the air outlet 5 and is located in the air purifying chamber 137. The main driving device comprises a first air cylinder 11 arranged corresponding to the air outlet 5, and the cover plate 6 is connected with a piston rod of the first air cylinder 11 through a universal shaft; the secondary drive means comprise a second cylinder 12 located outside the uppermost part of the conduit 14 and corresponding to the cover plate 6. When the first cylinder 11 fails and the piston rod falls freely to seal the cover plate 6 on the guide pipe 14, the piston rod of the second cylinder 12 moves downwards to push the cover plate 6 from above, and the cover plate 6 is tilted by using the highest point of the guide pipe 14 as a fulcrum, so that the guide pipe 14 is opened.
The dust discharging subsystem 140 is used for collecting and discharging dust falling off from the filter bag 112, and includes a dust bin 141 connected to the bottom of the filter bin 111 for storing dust, a dust conveying system 143 connected to the dust bin 141, a dust discharging valve 142 for connecting the dust bin 141 and the dust conveying system 143, and an arch breaker for removing dust accumulated on the side wall of the dust bin 141. The ash bin 141 and the dust conveying system 143 belong to a fixing device, and the ash discharge valve 142 and the pneumatic arch breaker belong to an executing device. The ash bin 141 can be directly formed at the bottom of the filter bin 111 and is in an inverted cone shape, the ash discharge valve 142 is installed at the bottom of the ash bin 141, the dust conveying system 143 is connected with the ash discharge valve 142 from the lower part, and the pneumatic arch breaker is arranged in the ash bin 141. When a certain amount of dust is accumulated in the dust bin 141, the dust discharge valve 142 and the pneumatic arch breaker are activated, so that the dust in the dust bin 141 flows into the dust conveying system 143 to be discharged to a specific position.
The purified gas bin 137, the filter bin 111 and the ash bin 141 can be integrated in the body 1, the body 1 is divided into an upper bin, a middle bin and a lower bin from top to bottom, the upper bin, the middle bin and the lower bin correspond to the purified gas bin 137, the filter bin 111 and the ash bin 141 respectively, the upper bin and the middle bin are separated by a partition board provided with a through hole, the filter bag 112 is arranged on the through hole and located below the partition board, and the air inlet 114 of the filter bin 111 and the air outlet 5 of the purified gas bin 137 are located on two sides of the body 1 respectively.
In addition, the actuating device of the filter subsystem 110 may further include a spark extinguishing device for extinguishing sparks in components upstream of the intake vent, and an explosion discharging device for discharging the electromagnetic pulse valve 134.
The control system comprises a plurality of detection devices, a cloud server and a plurality of mobile control terminals.
The detection device is used for respectively detecting a plurality of parameters in the dust removal system and outputting corresponding detection signals. Specifically, the detection device comprises a combination of any of the following sensors: a fan 122 state detection sensor for detecting whether the fan 122 is started, a fan 122 parameter detection sensor for detecting the current and the revolution of the fan 122 in real time, a fan air volume detection sensor for detecting the air volume at the air inlet of the fan 122, an inlet air volume detection sensor for detecting the air volume at the air inlet 114 of the filter bin 111, an inlet dust concentration detection sensor for detecting the dust concentration at the air inlet 114 of the filter bin 111, an inlet temperature detection sensor for detecting the temperature at the air inlet 114 of the filter bin 111, an outlet dust concentration detection sensor for detecting the dust concentration at the air outlet 5 of the air purification bin 137 or at the interior of the filter bag 112 or at the total air outlet of the dust removal system, an outlet temperature detection sensor for detecting the temperature at the air outlet 5 of the air purification bin 137, a differential pressure detection sensor for detecting the pressure inside and outside of the filter bag 112, an in-bag dust concentration detection sensor for detecting the dust concentration in each filter bag 112, a fan 122 parameter detection sensor for detecting the current and the revolution of the fan 122 in real time, an air volume detection sensor for detecting the air volume at the air inlet of the fan 122, an air volume of the filter bin 122, an inlet of the filter bin 111, an air volume detection sensor for detecting the air volume of the air, A tank pressure detection sensor for detecting the pressure in the gas tank 131, a line pressure detection sensor for detecting the pressure in the pressure line 132, a bag pressure detection sensor for detecting the pressure in the gas distribution tank 133, an electromagnetic pulse valve detection sensor for detecting the operating parameter of the electromagnetic pulse valve 134, a shutter 138 detection sensor for detecting the operating state of the shutter 138, a level detection sensor for detecting the level in the dust bin 141, an air cannon detection sensor for detecting the operating state of the pneumatic arch breaker, a dust discharge valve 142 detection sensor for detecting the state of the dust discharge valve 142, a dust conveyance detection sensor for detecting whether the dust conveyance system is operating normally, a spark detection sensor for detecting whether the spark is entering the electromagnetic pulse valve 134, a detection sensor for detecting whether the cylinder 8 (the cylinder 8 in the first embodiment including the shutter 138, the upper cylinder 11 in the second embodiment, and the first cylinder 11 in the third embodiment) is operating normally, a detection sensor for detecting the cylinder 8, A spark extinguishing detection sensor for detecting whether the spark extinguishing device is started to work or not, and an explosion discharge detection sensor for detecting whether the explosion discharge device is started or not. Each sensor outputs 4-20 mA analog signals for processing.
The cloud server is in communication connection with each detection device and each execution device respectively. The cloud server is used for monitoring and counting parameters of the dust removal system for checking; control signals and alarm signals for controlling the actuators are generated based on the monitored parameters. The cloud server is usually disposed in the central control room, and thus may be connected to each detection device and each execution device in a wired or wireless manner.
Each mobile control terminal is in communication connection with the cloud server, so that parameter monitoring and alarm signal checking can be performed on the dust removal system through the mobile control terminals. The mobile control terminal can be carried around by the related technical personnel. The mobile control terminal can be realized by adopting a mobile phone provided with an APP and is communicated with the cloud server through a mobile communication network; or the mobile phone or the portable computer can open the webpage of the cloud server.
The control method adopted by the intelligent industrial flue gas and dust treatment cloud platform comprises the following steps: in the process of dedusting of the dedusting system, the control system respectively detects a plurality of parameters in the dedusting system through the detection device and outputs corresponding detection signals, the detection signals are transmitted to the cloud server, a standard range is preset in the cloud server for each parameter, when the parameters exceed the standard range, the cloud server sends out corresponding alarm signals, and the cloud server sends out corresponding control signals to the execution devices related to the parameters, so that the working state of the execution devices is changed to adjust the parameters to return the parameters to the standard range; the cloud server also counts the detected parameters and generates a corresponding report; when the mobile monitoring terminal is used, the cloud server transmits the detection signal and/or the alarm signal to the mobile monitoring terminal for checking.
For the ash removal subsystem 130, the cloud server controls and adjusts any one or more of the blowing time, the blowing pressure and the blowing frequency of the filter bag 112 within an adjustment range according to the service time of the filter bag and the pressure difference between the inside and the outside. Specifically, when the filter bag 112 is a new filter bag 112, the operation resistance of the dust removal system is low, that is, the pressure difference between two sides of the filter bag 112 is small, and the electromagnetic pulse valve 134 is controlled to be at a low injection pressure, a low injection time and a low injection frequency (that is, a long injection interval, a long injection period, and one injection period includes a total injection time interval and a total injection time interval, and in the total injection time interval, the electromagnetic pulse valve 134 performs multiple injections according to a single injection time and a single injection time interval). At the moment, the dust removal system works under lower working pressure and frequency, so that the service life of the dust removal system can be greatly prolonged, and a large amount of compressed air is saved. After the dust removal system has been operated for a period of time, the system operating resistance is gradually increased, that is, the variation trend of the pressure difference between the two sides of the filter bag 112 is gradually increased, and the optimum working state of the dust removal system cannot be ensured even under the currently set blowing time, blowing pressure and blowing frequency, at this time, the cloud server needs to adjust any one or more of the blowing time, blowing pressure and blowing frequency of the ash removal subsystem 130 to enable the ash removal subsystem 130 to achieve an ideal ash removal effect, so that the operating resistance of the dust removal system is controlled within an optimum range to achieve an ideal dust removal effect. In general, in the adjustment, the blowing time is adjusted first, then the blowing pressure is adjusted, and then the blowing frequency is adjusted again. And when the blowing time is prolonged and the ash can not be effectively removed, the blowing pressure is adjusted, and when no obvious effect is produced, the blowing pressure is adjusted. The corresponding adjusting step length can be set in the cloud server according to the standard ranges of the blowing time, the blowing pressure and the blowing frequency, so that the parameters are adjusted according to the set step length. If the three parameters are adjusted to the limit values and the ash still cannot be effectively removed, the cloud server can also send out corresponding alarm signals.
In the filtering subsystem 110 of the dust removing system, the optimum range value of the running resistance is usually set to 1000-1500 Pa. In the ash removal subsystem 130, the optimum range value of the blowing pressure of the electromagnetic pulse valve 134 is usually set to 0.2 to 0.4MPa, the optimum range value of each blowing time is usually set to 50 to 300ms, the optimum range value of the blowing interval is usually set to 10 to 30s, and the optimum range value of each cycle of the blowing period is usually set to (0, 25] min.
In addition, this wisdom industry flue gas, dust are administered cloud platform's control system still has following function:
for the induced draft subsystem 120, whether the fan 122 is normally started or not is detected when the system operates for dedusting, and if not, an alarm signal is output. When the fan 122 is running, the current and the number of revolutions of the fan 122, and the air volume of the air outlet 5 thereof are monitored in real time. If the parameter of the fan 122 is abnormal, an alarm is given, and if the air volume of the fan 122 is large or small and cannot meet the requirement, the cloud server controls the operation condition of the fan 122 to adjust the air volume.
For the filtering subsystem 110, the air volume at the air inlet 114 of the filtering bin 111, the dust concentration and temperature at the air inlet 114 and the dust concentration and temperature at the air outlet 5 of the clean air bin 137 are detected in real time, if the parameters exceed the set alarm value, an alarm is given, and if the dust concentration is higher, the air volume can be reduced so as to better remove dust. The filtering bin 111 can be composed of a plurality of small filtering chambers, the dust concentration is detected by a dust concentration detection sensor arranged in each small filtering chamber, when the dust concentration in a certain small filtering chamber exceeds a certain vertical position, the powder leakage of the system can be judged, the breakage of the filtering bag 112 is determined, and therefore an alarm is given.
For the ash discharge subsystem, an alarm is required when the ash amount in the ash bin 141 is excessive, and perhaps an alarm when a pneumatic arch breaker, the ash discharge valve 142, or the dust conveying system 143 fails.
When sparks enter the air inlet 114 of the filtering subsystem 110, workers are informed through a network in a mobile phone or computer mode at the first time, and are informed whether the spark extinguishing device is started or not to extinguish the sparks. And similarly, the opening condition of the explosion discharging device is monitored in the same way.
On the whole, when any device in the dust removal system breaks down or is abnormal, the cloud server or the mobile control terminal gives an alarm at the first time to inform a user, and the working state of the relevant device can be adjusted according to the system parameters, so that the purpose of adjusting the desired system parameters is achieved. After the operation is carried out for a period of time, the cloud server collects a certain amount of data, so that the cloud server automatically generates an operation report of the intelligent industrial flue gas, the dust treatment cloud platform or any subsystem therein based on the analysis of the data, and informs the operation condition of the system to a user.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (8)
1. The utility model provides a cloud platform is administered to wisdom industry flue gas, dust which characterized in that: the intelligent industrial flue gas and dust treatment cloud platform comprises a dust removal system and a control system, wherein the dust removal system is composed of a plurality of execution devices and fixing devices and used for filtering and removing dust from flue gas, and the control system is connected with the dust removal system and used for controlling the execution devices of the dust removal system;
the control system includes:
the detection devices are used for respectively detecting a plurality of parameters in the dust removal system and outputting corresponding detection signals;
the cloud server is in communication connection with each detection device and each execution device and is used for monitoring and counting parameters of the dust removal system and generating control signals and alarm signals for controlling each execution device based on the monitored parameters;
the plurality of mobile monitoring terminals are in communication connection with the cloud server and used for performing parameter monitoring and alarm signal checking on the dust removal system;
the dust removal system is divided into a filtering subsystem, an induced air subsystem, an ash removal subsystem and an ash discharge subsystem, and the induced air subsystem, the ash removal subsystem and the ash discharge subsystem are all connected with the filtering subsystem;
the fixing device includes: the filter subsystem is provided with a filter bin with an air inlet and a plurality of filter bags arranged in the filter bin; one end of the induced air subsystem is communicated with the interior of the filter bin; the dust cleaning subsystem comprises a gas storage tank for storing gas for injection, a pressure pipeline with one end connected with the gas storage tank, a gas distribution box arranged at the other end of the pressure pipeline, an injection pipe connected with the gas distribution box, a plurality of nozzles connected with the injection pipe and corresponding to the interiors of the filter bags, and a clean gas bin used for arranging the nozzles and the injection pipe and provided with an air outlet; the dust discharging subsystem comprises a dust bin and a dust conveying system, wherein the dust bin is connected with the bottom of the filtering bin to store dust;
the execution device comprises: the draught fan is arranged at the other end of the draught pipe in the draught subsystem; the ash removal subsystem comprises an electromagnetic pulse valve and a shutter, wherein the electromagnetic pulse valve is arranged on the air distribution box and used for controlling the blowing ash removal airflow, and the shutter is arranged at an air outlet of the air purification bin and can open or close the air outlet; the ash discharging subsystem is internally connected with an ash discharging valve of the ash bin and the dust conveying system and a pneumatic arch breaker for driving dust in the ash bin to flow;
in the ash removal subsystem, the cloud server controls and preferentially adjusts the blowing time, then adjusts the blowing pressure and then adjusts the blowing frequency in an adjusting range according to the service time of the filter bag and the pressure difference between the inside and the outside of the filter bag.
2. The intelligent industrial flue gas and dust abatement cloud platform of claim 1, wherein: the detection device includes: a fan state detection sensor for detecting whether the fan is started to work, a fan parameter detection sensor for detecting the current and the revolution of the fan in real time, a fan air quantity detection sensor for detecting the air quantity of an air outlet of the fan, an inlet air quantity detection sensor for detecting the air quantity of an air inlet of the filter bin, an inlet dust concentration detection sensor for detecting the dust concentration of the air inlet of the filter bin, an inlet temperature detection sensor for detecting the temperature of the air inlet of the filter bin, an outlet dust concentration detection sensor for detecting the dust concentration of the air outlet of the air purification bin, an outlet temperature detection sensor for detecting the temperature of the air outlet of the air purification bin, a pressure difference detection sensor for detecting the pressure difference between the inside and the outside of the filter bag, a dust concentration detection sensor for detecting the dust concentration of the air outlet of each air purification bin or in the filter bag or in the total air outlet of the dust removal system, a dust concentration detection sensor for detecting the dust concentration of the air outlet of the filter bag, a dust removal system for removing the dust removal system, and a dust removal system for removing the dust removal system, The dust removal device comprises a gas tank pressure detection sensor for detecting the pressure in the gas storage tank, a pipeline pressure detection sensor for detecting the pressure in the pressure pipeline, a gas bag pressure detection sensor for detecting the pressure in each gas distribution tank, an electromagnetic pulse valve detection sensor for detecting the working parameters of each electromagnetic pulse valve, a shutter detection sensor for detecting the working state of a shutter, a material level detection sensor for detecting the material level in the dust bin, an air cannon detection sensor for detecting the working state of the arch breaker for removing dust on the side wall of the dust bin, a dust discharge valve detection sensor for detecting the state of the dust discharge valve, and a dust conveying detection sensor for detecting whether the dust conveying system works normally.
3. The intelligent industrial flue gas and dust abatement cloud platform of claim 2, wherein: the executing device also comprises a spark extinguishing device for extinguishing sparks in the upstream of the air inlet; the detection device also comprises a spark detection sensor for detecting whether sparks enter the electromagnetic pulse valve or not and a spark extinguishing detection sensor for detecting whether the spark extinguishing device is started to work or not.
4. The intelligent industrial flue gas and dust abatement cloud platform of claim 3, wherein: the executing device also comprises an explosion discharging device for discharging explosion of the dust removing system; the detection device also comprises an explosion-discharging detection sensor for detecting whether the explosion-discharging device is opened or not.
5. The intelligent industrial flue gas and dust abatement cloud platform of any one of claims 1 to 4, wherein: the shutter comprises a cover plate corresponding to the air outlet, a main driving device for driving the cover plate to move to open or close the air outlet, and an auxiliary driving device for driving the cover plate to move to open or close the air outlet when the main driving device fails.
6. The intelligent industrial flue gas and dust abatement cloud platform of claim 5, wherein: the main driving device and the auxiliary driving device of the shutter adopt any one of the following schemes:
the first scheme is as follows: the main driving device comprises an air cylinder in communication connection with the cloud server, the cover plate is mounted on a piston rod of the air cylinder and moves along with the piston rod, the auxiliary driving device comprises a motor which is mounted on the piston rod and can drive the piston rod to rotate, and the motor is in signal connection with the cloud server; the detection device also comprises a cylinder detection sensor for detecting whether the cylinder works normally;
scheme II: the air outlet is provided with a conduit, the upper end surface of which is inclined relative to the plane of the air outlet and is positioned in the air purifying bin; the main driving device comprises an upper air cylinder, the cover plate is connected with a piston rod of the upper air cylinder through a universal shaft, the auxiliary driving device comprises a lower air cylinder located on the outer side of the highest position of the guide pipe and an armature iron installed on the lower air cylinder, and the armature iron is located below the cover plate;
the third scheme is as follows: the air outlet is provided with a conduit, the upper end surface of which is inclined relative to the plane of the air outlet and is positioned in the air purifying bin; the main driving device comprises a first air cylinder arranged corresponding to the air outlet, and the cover plate is connected with a piston rod of the first air cylinder through a universal shaft; the secondary driving means includes a second cylinder located outside the highest position of the guide duct and corresponding to the cover plate.
7. The intelligent industrial flue gas and dust abatement cloud platform of claim 1, wherein: the mobile monitoring terminal adopts a mobile phone.
8. The control method adopted by the intelligent industrial flue gas and dust treatment cloud platform of claim 1 is characterized in that: the control method comprises the following steps: in the process of dedusting of the dedusting system, the control system respectively detects multiple parameters in the dedusting system through the detection devices and outputs corresponding detection signals, the detection signals are transmitted to the cloud server, a standard range is preset in the cloud server for each parameter, when the parameters exceed the standard range of the parameters, the cloud server sends out corresponding alarm signals, and the cloud server sends out corresponding control signals to the execution devices related to the parameters, so that the working states of the execution devices are changed to adjust the parameters to be returned to the standard ranges of the execution devices; the cloud server counts the detected parameters and generates a corresponding report; when the mobile monitoring terminal is used, the cloud server transmits the detection signal and/or the alarm signal to the mobile monitoring terminal for checking; in the ash removal subsystem, the cloud server controls and preferentially adjusts the blowing time, then adjusts the blowing pressure and then adjusts the blowing frequency in an adjusting range according to the service time of the filter bag and the pressure difference between the inside and the outside of the filter bag.
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| CN201710816967.0A CN109482004B (en) | 2017-09-12 | 2017-09-12 | Intelligent industrial flue gas and dust treatment cloud platform and control method thereof |
| PCT/CN2018/104776 WO2019052415A1 (en) | 2017-09-12 | 2018-09-10 | Intelligent cloud platform for managing industrial flue gas and dust, and control method therefor |
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| CN109482004A (en) | 2019-03-19 |
| WO2019052415A1 (en) | 2019-03-21 |
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