CN117839867A - Energy-saving consumption-reducing dedusting ash conveying system - Google Patents
Energy-saving consumption-reducing dedusting ash conveying system Download PDFInfo
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- CN117839867A CN117839867A CN202311728028.2A CN202311728028A CN117839867A CN 117839867 A CN117839867 A CN 117839867A CN 202311728028 A CN202311728028 A CN 202311728028A CN 117839867 A CN117839867 A CN 117839867A
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- Prior art keywords
- flue gas
- temperature
- dust
- constant
- smoke
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 226
- 239000003546 flue gas Substances 0.000 claims abstract description 224
- 239000000428 dust Substances 0.000 claims abstract description 140
- 239000000779 smoke Substances 0.000 claims abstract description 61
- 238000010438 heat treatment Methods 0.000 claims abstract description 59
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 30
- 230000023556 desulfurization Effects 0.000 claims abstract description 30
- 239000003344 environmental pollutant Substances 0.000 claims abstract description 27
- 231100000719 pollutant Toxicity 0.000 claims abstract description 27
- 238000007599 discharging Methods 0.000 claims abstract description 15
- 238000003745 diagnosis Methods 0.000 claims abstract description 9
- 238000004321 preservation Methods 0.000 claims description 38
- 238000000746 purification Methods 0.000 claims description 13
- 230000001105 regulatory effect Effects 0.000 claims description 12
- 230000001276 controlling effect Effects 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 238000003912 environmental pollution Methods 0.000 abstract description 4
- 239000002956 ash Substances 0.000 description 52
- 239000002253 acid Substances 0.000 description 10
- 239000007788 liquid Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 3
- 230000002378 acidificating effect Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000003795 desorption Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 239000012716 precipitator Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000003517 fume Substances 0.000 description 2
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Chimneys And Flues (AREA)
Abstract
The invention provides an energy-saving consumption-reducing dedusting ash conveying system, and relates to the technical field of dedusting ash conveying. The energy-saving and consumption-reducing dust-removing and ash-transporting system comprises: the dust removing device is used for removing and collecting dust in the flue gas exhausted from the boiler, and the flue gas after the dust is removed becomes purified flue gas; the diagnosis alarm device is used for detecting the dust concentration of the purified flue gas and sending out a corresponding alarm prompt according to the dust concentration; the flue gas heating device is used for heating and purifying the flue gas to a first set temperature to form constant-temperature flue gas; the discharge device is used for receiving the constant-temperature flue gas and discharging the constant-temperature flue gas into desulfurization equipment or the atmosphere; the smoke detector is used for detecting the concentration of pollutants in constant-temperature smoke; and the control device is used for sending a corresponding communication instruction to the discharge device according to the pollutant concentration so as to control the discharge device to discharge the constant-temperature flue gas into the desulfurization equipment or the atmosphere. Solves the problem of unsatisfactory dust removal effect caused by failure of the flue gas dust removal equipment which cannot be found in time in the prior art, and reduces environmental pollution.
Description
Technical Field
The invention relates to the technical field of dust removal and ash conveying, in particular to an energy-saving consumption-reducing dust removal and ash conveying system.
Background
In addition to the great amount of heat released during the combustion of fuel in boiler, the fuel produces great amount of fume and is exhausted to atmosphere, and the fume consists of two parts, including carbon dioxide, carbon monoxide, water vapor, nitrogen, oxygen, nitrogen oxide, sulfur dioxide, hydrogen sulfide, etc. and the solid part, including flyash, carbon black and unburned carbon particle, adheres to the wall of the air duct and the wall of the air alveoli to harm the health of human body. The dust collector among the prior art can't make the feedback to dust collecting equipment trouble in real time, leads to dust collecting equipment still to carry out dust collecting work under the circumstances of trouble, but dust collecting effect is up to standard, very easily causes dust collecting equipment vase, inside dewfall, causes exhaust flue gas not up to standard, polluted environment, consequently, need a device can solve above-mentioned at least one kind problem.
Disclosure of Invention
The embodiment of the invention aims to provide an energy-saving consumption-reducing dedusting ash conveying system, which is used for solving the problem that the dedusting effect is not ideal because the failure of flue gas dedusting equipment cannot be found in time in the prior art.
In order to achieve the above purpose, the present invention provides an energy-saving and consumption-reducing dust-removing and ash-transporting system, which is communicated with a boiler and a desulfurization device, and the energy-saving and consumption-reducing dust-removing and ash-transporting system comprises:
the dust removing device is communicated with the boiler and used for removing and collecting dust in the flue gas discharged from the boiler, and the flue gas after dust removal becomes purified flue gas and is discharged from the dust removing device;
the diagnosis alarm device is arranged on the dust removing device and is used for detecting the dust concentration of the purified flue gas and sending out a corresponding alarm prompt according to the dust concentration;
the flue gas heating device is communicated with the dust removing device through a pipeline and is used for heating purified flue gas discharged from the dust removing device to a first set temperature to form constant-temperature flue gas and discharging the constant-temperature flue gas from the flue gas heating device;
the discharge device is used for receiving the constant-temperature flue gas discharged from the flue gas heating device and discharging the constant-temperature flue gas into the desulfurization equipment or the atmosphere;
the smoke detector is arranged at a smoke inlet of the discharge device and is used for detecting the concentration of pollutants in constant-temperature smoke entering the discharge device;
and the control device is electrically connected with the discharge device and the smoke detector and is used for sending a corresponding communication instruction to the discharge device according to the pollutant concentration so as to control the discharge device to discharge constant-temperature smoke into the desulfurization equipment or the atmosphere.
Specifically, the dust removing device includes: an electric dust remover and an ash bucket;
the electric dust remover is communicated with the boiler and is used for removing dust in the flue gas exhausted from the boiler to form purified flue gas;
the ash bucket is used for collecting dust removed from the flue gas;
the control device is also used for outputting an opening and closing instruction to the electric dust collector so as to control the electric dust collector to be opened or closed.
Specifically, the dust collector still includes: the vibrator is arranged on the bucket wall of the ash bucket and is used for vibrating the bucket wall of the ash bucket;
the control device is also used for outputting a rapping command to the rapper so as to control the rapper to execute a rapping action.
Specifically, the dust collector still includes: the dust removal heating instrument is arranged in the ash bucket and is used for heating the purified flue gas entering the ash bucket to a first set temperature.
Specifically, the energy-saving, consumption-reducing, dedusting and ash conveying system further comprises: the heat preservation device is arranged between the smoke heating device and the discharge device and is used for receiving constant-temperature smoke exhausted from the smoke heating device and assisting the constant-temperature smoke to be kept at a first set temperature.
Specifically, the heat preservation device includes: an incubator, a heater and a temperature detector;
the heat preservation box is communicated with the flue gas heating device and the discharge device and is used for receiving constant-temperature flue gas discharged from the flue gas heating device;
the temperature detector is arranged in the heat preservation box and is used for detecting the temperature of constant-temperature flue gas in the heat preservation box;
the heater is arranged in the heat insulation box and is used for heating the constant-temperature flue gas so as to keep the constant-temperature flue gas at a first set temperature;
the control device is also used for receiving the temperature of the constant-temperature flue gas detected by the temperature detector, and outputting a heating instruction to the heater according to the temperature of the constant-temperature flue gas so as to control the heater to heat the constant-temperature flue gas to a first set temperature.
Specifically, the heat preservation device further includes: the display is arranged on the heat preservation box and electrically connected with the temperature detector, and is used for displaying the temperature of the constant-temperature flue gas in the heat preservation box detected by the temperature detector.
Specifically, the energy-saving, consumption-reducing, dedusting and ash conveying system further comprises: the flow speed regulating valve is arranged between the heat preservation device and the smoke detector and is used for regulating the flow speed of constant-temperature smoke discharged from the heat preservation device;
the control device is used for outputting an adjusting instruction to the flow rate adjusting valve so as to adjust the flow rate of the constant-temperature flue gas discharged from the heat preservation device by controlling the opening degree of the flow rate adjusting valve.
Specifically, the discharge device includes: a discharge bin, a first discharge valve, and a second discharge valve;
the discharge bin is provided with a smoke inlet, a first smoke outlet and a second smoke outlet, the smoke inlet is connected with the smoke outlet of the smoke heating device through a pipeline, the first smoke outlet is communicated with the atmosphere through a pipeline, and the second smoke outlet is connected with the smoke inlet of the desulfurization device through a pipeline;
the first discharge valve is arranged at the first smoke outlet, the second discharge valve is arranged at the second smoke outlet, and the first discharge valve and the second discharge valve are electrically connected with the control device;
the control device is used for sending a corresponding communication instruction to the first discharge valve or the second discharge valve according to the pollutant concentration, and the first discharge valve or the second discharge valve is opened and closed according to the corresponding communication instruction so as to control the discharge device to discharge constant-temperature flue gas into the desulfurization equipment or the atmosphere.
Specifically, the energy-saving, consumption-reducing, dedusting and ash conveying system further comprises: the purification fan is arranged on a pipeline between the dust removing device and the flue gas heating device and is used for sending the purified flue gas in the dust removing device into the flue gas heating device.
According to the energy-saving consumption-reducing dedusting ash conveying system provided by the invention, the dedusting device is communicated with the boiler, and the dust in the flue gas is removed through the dedusting device after the flue gas discharged from the boiler enters the dedusting device. In order to timely acquire the working state of the dust removing device, a diagnosis alarm device is arranged to detect the dust concentration in the purified flue gas formed after dust removal and send out a corresponding alarm prompt according to a detection result, and a worker timely grasps the working condition of the dust removing device according to the alarm prompt, so that the worker can conveniently find out whether the dust removing device breaks down in time, and the best dust removing effect is ensured. The flue gas of desorption dust becomes the purification flue gas, in order to avoid purifying the sulfide that the flue gas temperature is too low to cause in the purification flue gas and separate out the spare part that forms acid droplet corrosion energy saving and consumption reduction dust removal ash conveying system, set up flue gas heating device and heat purification flue gas to first settlement temperature and become constant temperature flue gas, thereby avoid the precipitation of acid droplet, in order to ensure constant temperature flue gas safety discharge, send into discharging equipment with constant temperature flue gas, and detect the pollutant concentration in the constant temperature flue gas that gets into discharging equipment through the flue gas detector, controlling means is according to pollutant concentration control discharging equipment and atmosphere intercommunication or with desulfurization equipment intercommunication, thereby avoid the serious constant temperature flue gas of pollutant to let into the atmosphere. Solves the problem of unsatisfactory dust removal effect caused by failure of the flue gas dust removal equipment which cannot be found in time in the prior art, avoids the formation of acid liquid drops, and reduces environmental pollution.
Additional features and advantages of embodiments of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings are included to provide a further understanding of embodiments of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain, without limitation, the embodiments of the invention. In the drawings:
FIG. 1 is a schematic layout diagram of an energy-saving and consumption-reducing dust-removing and ash-transporting system provided by the invention;
FIG. 2 is a schematic view of another angular layout of the energy-saving, consumption-reducing, dust-removing and ash-transporting system provided in FIG. 1;
FIG. 3 is a schematic view of a further angular layout of the energy-saving, consumption-reducing, dust-removing and ash-transporting system provided in FIG. 1;
FIG. 4 is a schematic diagram of the ash bucket in the energy-saving and consumption-reducing dedusting ash conveying system provided by the invention;
FIG. 5 is a schematic installation diagram of a flue gas heating device and a heat preservation device in the energy-saving and consumption-reducing dedusting ash conveying system;
FIG. 6 is a schematic installation diagram of a flow rate regulating valve in the energy-saving and consumption-reducing dedusting ash conveying system.
Description of the reference numerals
1-a dust removal device; 2-a diagnostic alarm device; 3-a flue gas heating device; 4-a discharge device; 5-a smoke detector; 6-a heat preservation device; 7-a flow rate regulating valve; 8-purifying a fan; 9-a constant temperature fan; 10-a control device; 11-an electric dust collector; 12-ash bucket; 13-a vibrator; 14-ash conveying pump; 15-a dust removal heating instrument; 41-a discharge bin; 131-vibrating and beating hammers; 132-a rapping motor.
Detailed Description
The following describes the detailed implementation of the embodiments of the present invention with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the invention, are not intended to limit the invention.
FIG. 1 is a schematic layout of an energy-saving, consumption-reducing, dust-removing and ash-transporting system; FIG. 2 is a schematic view of another angular layout of the energy-saving, consumption-reducing, dust-removing and ash-transporting system provided in FIG. 1; FIG. 3 is a schematic view of a further angular layout of the energy-saving, consumption-reducing, dust-removing and ash-transporting system provided in FIG. 1; FIG. 4 is a schematic view of the structure of the ash hopper in the energy-saving and consumption-reducing dust-removing ash conveying system; FIG. 5 is a schematic diagram of the installation of a flue gas heating device and a heat preservation device in the energy-saving, consumption-reducing, dedusting and ash conveying system; FIG. 6 is a schematic diagram of the installation of a flow rate regulating valve in the energy-saving and consumption-reducing dedusting ash conveying system.
As shown in fig. 1 to 6, the energy-saving and consumption-reducing dust-removing and ash-transporting system provided by the invention is communicated with a boiler and desulfurization equipment, and the energy-saving and consumption-reducing dust-removing and ash-transporting system comprises:
the dust removing device 1 is communicated with the boiler and is used for removing and collecting dust in the flue gas discharged from the boiler, and the flue gas after dust removal becomes purified flue gas and is discharged from the dust removing device 1;
the diagnosis alarm device 2 is arranged on the dust removing device 1 and is used for detecting the dust concentration of the purified flue gas and sending out a corresponding alarm prompt according to the dust concentration;
the flue gas heating device 3 is communicated with the dust removing device 1 through a pipeline and is used for heating purified flue gas discharged from the dust removing device 1 to a first set temperature to form constant-temperature flue gas and discharging the constant-temperature flue gas from the flue gas heating device 3;
an exhaust device 4 for receiving the constant temperature flue gas exhausted from the flue gas heating device 3 and exhausting the constant temperature flue gas to the desulfurization apparatus or the atmosphere;
a flue gas detector 5, which is arranged at the flue gas inlet of the discharge device 4 and is used for detecting the concentration of pollutants in constant-temperature flue gas entering the discharge device 4;
and the control device 10 is electrically connected with the discharge device 4 and the smoke detector 5 and is used for sending corresponding communication instructions to the discharge device 4 according to the pollutant concentration so as to control the discharge device 4 to discharge constant-temperature smoke into the desulfurization equipment or the atmosphere.
The invention provides an energy-saving and consumption-reducing dedusting ash conveying system, a dedusting device 1 is communicated with a flue gas outlet of a boiler through a pipeline, flue gas discharged by the boiler enters the dedusting device 1, dust in the flue gas is removed by the dedusting device 1 to be purified, in order to remind workers of the working condition of the dedusting device 1, a diagnosis alarm device 2 is arranged on the dedusting device 1, the dust concentration in the purified flue gas is detected by the diagnosis alarm device 2, and corresponding alarm prompt is carried out according to the dust concentration, for example, the standard dust concentration of the purified flue gas is arranged, the diagnosis alarm device 2 compares the dust concentration in the current purified flue gas with the standard dust concentration after detecting the dust concentration in the current purified flue gas, when the dust concentration in the purified flue gas is higher than the standard dust concentration, the alarm prompt is sent out, the workers are reminded that the dedusting effect of the current dedusting device 1 is not ideal, the dust collector 1 has faults, workers remove the faults as soon as possible according to alarm prompts, the dust collector 1 can effectively remove dust in the flue gas, the flue gas after dust removal is converted into purified flue gas, the purified flue gas is discharged from the dust collector 1 and enters the flue gas heating device 3, the purified flue gas is heated to a first set temperature through the flue gas heating device 3 to become constant-temperature flue gas, sulfide possibly existing in the flue gas can be prevented from being separated out to form acidic liquid drops when the purified flue gas is heated to the first set temperature, the acidic liquid drops are prevented from corroding parts in the energy-saving consumption-reducing dust-removing ash-conveying system, in order to ensure the discharge safety of the constant-temperature flue gas, the constant-temperature flue gas is firstly sent to the discharge device 4, in order to judge that the constant-temperature flue gas sent to the discharge device 4 is directly discharged into the atmosphere or is discharged into desulfurization equipment for subsequent treatment, a flue gas detector 5 is arranged at a flue gas inlet of the discharge device 4, the pollutant concentration in the flue gas entering the discharge device 4 is detected by the flue gas detector 5, the control device 10 controls the discharge device 4 to be communicated with the atmosphere or be communicated with the desulfurization equipment according to the pollutant concentration, when the pollutant concentration in the flue gas detected by the flue gas detector 5 is greater than or equal to the set safe concentration, the discharge device 4 is communicated with the desulfurization equipment, constant-temperature flue gas is sent to the desulfurization equipment for desulfurization and purification treatment, when the pollutant concentration in the flue gas detected by the flue gas detector 5 is less than the set safe concentration, the discharge device 4 is controlled to be communicated with the atmosphere, constant-temperature flue gas is directly discharged into the atmosphere, the problem that the dust removal effect is not ideal due to the fact that the flue gas dust removal equipment cannot be found timely in the prior art is solved, meanwhile, the formation of acid liquid drops is avoided, and the environmental pollution is reduced.
In one embodiment, as shown in fig. 1, the dust removing device 1 includes: an electric precipitator 11 and an ash bucket 12;
the electric dust remover 11 is communicated with the boiler and is used for removing dust in the flue gas exhausted from the boiler to form purified flue gas;
the ash bucket 12 is used for collecting dust removed from the flue gas;
the control device 10 is further configured to output an on-off command to the electric precipitator 11 to control on or off of the electric precipitator 11.
The control device 10 controls the electric dust collector 11 to be opened or closed, the electric dust collector 11 is opened to remove dust in the flue gas entering the electric dust collector 11, purified flue gas formed after the dust is removed is sent into the flue gas heating device 3, the dust removed from the flue gas enters the ash bucket 12, and after a certain amount of dust is collected by the ash bucket 12, the dust in the ash bucket 12 is sent into the appointed device through the ash conveying pump 14 for unified storage.
In order to avoid that dust in the dust hopper 12 still adheres to the inner wall of the dust hopper 12 when the dust is discharged, the dust removing device 1 further comprises: a vibrator 13 arranged on the wall of the ash bucket 12 for vibrating the wall of the ash bucket 12;
the control device 10 is also adapted to output a rapping command to the rapper 13 for controlling the rapper 13 to perform a rapping action.
As shown in fig. 4, the number of rappers 13 is set according to actual needs, each rapper 13 comprises a rapping hammer 131 and a rapping motor 132, the rapping motor 132 is arranged on the bucket wall of the ash bucket 12, the rapping hammer 131 is arranged in the ash bucket 12 and is connected with the rapping motor 132, the rapping motor 132 drives the rapping hammer 131 to move so as to continuously shake the inner wall of the ash bucket 12, and dust adhered to the inner wall of the ash bucket 12 can fall off through the rapping of the rapping hammer 131, so that the dust in the ash bucket 12 is conveniently pumped to a designated device by the ash conveying pump 14 for unified storage.
In practical application, when the dust of desorption from the flue gas enters into ash bucket 12, there is a small amount of purification flue gas to enter into ash bucket 12, in order to avoid the purification flue gas temperature that gets into ash bucket 12 to excessively reduce and separate out acid droplet and corrode ash bucket 12 inner wall, dust collector 1 still includes: the dust removal heater 15 is arranged on the inner wall of the ash bucket 12 and is used for heating the purified flue gas entering the ash bucket 12 to a first set temperature. The purified flue gas entering the ash bucket 12 is heated by the dust removal heater 15, so that the purified flue gas entering the ash bucket 12 is prevented from condensing to separate out acidic liquid drops.
In one embodiment, in order to control the discharge rhythm of the constant temperature flue gas, the energy-saving, consumption-reducing and dedusting ash conveying system further comprises: the heat preservation device 6 is arranged between the smoke heating device 3 and the discharge device 4 and is used for receiving constant-temperature smoke discharged from the smoke heating device 3 and assisting the constant-temperature smoke to be kept at a first set temperature.
The heat preservation device 6 comprises: an incubator, a heater and a temperature detector;
the heat preservation box is communicated with the smoke heating device 3 and the discharge device 4 and is used for receiving constant-temperature smoke discharged from the smoke heating device 3;
the temperature detector is arranged in the heat preservation box and is used for detecting the temperature of constant-temperature flue gas in the heat preservation box;
the heater is arranged in the heat insulation box and is used for heating the constant-temperature flue gas so as to keep the constant-temperature flue gas at a first set temperature;
the control device 10 is further configured to receive the temperature of the constant temperature flue gas detected by the temperature detector, and output a heating instruction to the heater according to the temperature of the constant temperature flue gas, so as to control the heater to heat the constant temperature flue gas to a first set temperature.
In order to avoid the acid liquid drop precipitation of the constant temperature flue gas due to the too low temperature before the constant temperature flue gas is discharged, the temperature-preserving device 6 is arranged to store the constant temperature flue gas heated to the first set temperature into the heat-preserving box and detect the temperature of the constant temperature flue gas in the heat-preserving box in real time through the temperature detector, in order to avoid the temperature drop of the constant temperature flue gas stored in the heat-preserving box, after the detected temperature of the current constant temperature flue gas in the heat-preserving box is lower than the first set temperature, the control device 10 sends a heating instruction to the heater, the heater heats the constant temperature flue gas according to the heating instruction, so that the constant temperature flue gas in the heat-preserving box is always kept at the first set temperature, and the acid liquid drop precipitation in the constant temperature flue gas is avoided.
For the temperature that makes things convenient for the staff to know the current constant temperature flue gas in the insulation can in real time, heat preservation device 6 still includes: the display is arranged on the heat preservation box and electrically connected with the temperature detector, and is used for displaying the temperature of the constant-temperature flue gas in the heat preservation box detected by the temperature detector.
In order to send the constant temperature flue gas in the incubator into the discharge device 4, a constant temperature fan 9 is provided, and the constant temperature flue gas stored in the incubator is pumped into the discharge bin 41 through a pipeline by the constant temperature fan 9.
In order to ensure that the flue gas detector 5 can accurately detect the concentration of pollutants in constant-temperature flue gas entering the discharge device, the energy-saving and consumption-reducing dedusting ash conveying system further comprises: a flow rate adjusting valve 7, which is arranged between the heat preservation device 6 and the discharge device 4, and is used for adjusting the flow rate of constant-temperature flue gas discharged from the heat preservation device 6;
the control device 10 is further configured to output a regulating command to the flow rate regulating valve 7, so as to regulate the flow rate of the constant-temperature flue gas discharged from the heat preservation device 6 by controlling the opening degree of the flow rate regulating valve 7.
The heat preservation device 6 is connected with the discharging device 4 through a pipeline, the flow speed regulating valve 7 is arranged on the pipeline between the heat preservation device 6 and the discharging device 4 and is used for regulating the flow speed of constant-temperature flue gas, so that the constant-temperature flue gas is prevented from impacting the flue gas detector 5 due to the too high flow speed, the detection precision of the flue gas detector 5 is influenced, the flue gas detector 5 comprises a plurality of groups of sensors, the types of the sensors are set according to the needs, for example, a carbon monoxide concentration sensor, a sulfur dioxide concentration sensor or a hydrogen sulfide concentration sensor and the like can be set, the pollutant concentration possibly existing in the constant-temperature flue gas is detected through different sensors, and when the pollutant concentration detected by any sensor is higher than the set safe concentration, the controlling device 10 controls the discharging device 4 to be communicated with the desulfurization equipment, and the constant-temperature flue gas is sent into the desulfurization equipment for subsequent treatment.
In one embodiment, the discharge device 4 comprises: a discharge bin 41, a first discharge valve, and a second discharge valve;
the discharge bin 41 is provided with a flue gas inlet, a first flue gas outlet and a second flue gas outlet, the flue gas inlet is connected with the flue gas outlet of the flue gas heating device through a pipeline, the first flue gas outlet is communicated with the atmosphere through a pipeline, and the second flue gas outlet is connected with the flue gas inlet of the desulfurization device through a pipeline;
the first discharge valve is arranged at the first smoke outlet, the second discharge valve is arranged at the second smoke outlet, and the first discharge valve and the second discharge valve are electrically connected with the control device 10;
the control device 10 is configured to send a corresponding communication command to the first discharge valve or the second discharge valve according to the concentration of the pollutant, where the first discharge valve or the second discharge valve is opened and closed according to the corresponding communication command to control the discharge device 4 to communicate with the desulfurization apparatus or the atmosphere.
After the constant temperature flue gas enters the discharge bin 41, the control device 10 controls the discharge device 4 to be communicated with the desulfurization equipment or to be communicated with the atmosphere according to the pollutant concentration in the constant temperature flue gas detected by the flue gas detector 5, when the pollutant concentration in the constant temperature flue gas detected by the flue gas detector 5 is smaller than the safety concentration, the control device 10 controls the first discharge valve to be opened so that the discharge device 4 is communicated with the atmosphere, the constant temperature flue gas is directly discharged into the atmosphere, when the pollutant concentration in the constant temperature flue gas detected by the flue gas detector 5 is larger than or equal to the safety concentration, the control device 10 controls the second discharge valve to be opened so that the discharge device 4 is communicated with the desulfurization equipment, the constant temperature flue gas enters the desulfurization equipment to continue purifying treatment, and the control device 10 can control the constant temperature flue gas discharged by the discharge device 4 to be discharged into the atmosphere or discharged into the desulfurization equipment by controlling the opening or closing of the first discharge valve and the second discharge valve.
In order to send the purified flue gas in the dust removal device 1 into the flue gas heating device 3, the energy-saving, consumption-reducing, dust-removing and ash-transporting system further comprises: the purification fan 8 is arranged on a pipeline between the dust removing device 1 and the flue gas heating device 3, and is used for conveying purified flue gas in the dust removing device 1 into the flue gas heating device 3, and the purified flue gas in the dust removing device 1 can be pumped into the flue gas heating device 3 more rapidly through the purification fan 8, so that the air supply efficiency is improved.
According to the energy-saving consumption-reducing dedusting ash conveying system provided by the invention, the dedusting device is communicated with the boiler, and the dust in the flue gas is removed through the dedusting device after the flue gas discharged from the boiler enters the dedusting device. In order to timely acquire the working state of the dust removing device, a diagnosis alarm device is arranged to detect the dust concentration in the purified flue gas formed after dust removal and send out a corresponding alarm prompt according to a detection result, and a worker timely grasps the working condition of the dust removing device according to the alarm prompt, so that the worker can conveniently find out whether the dust removing device breaks down in time, and the best dust removing effect is ensured. The flue gas of desorption dust becomes the purification flue gas, in order to avoid purifying the sulfide that the flue gas temperature is too low to cause in the purification flue gas and separate out the spare part that forms acid droplet corrosion energy saving and consumption reduction dust removal ash conveying system, set up flue gas heating device and heat purification flue gas to first settlement temperature and become constant temperature flue gas, thereby avoid the precipitation of acid droplet, in order to ensure constant temperature flue gas safety discharge, send into discharging equipment with constant temperature flue gas, and detect the pollutant concentration in the constant temperature flue gas that gets into discharging equipment through the flue gas detector, controlling means is according to pollutant concentration control discharging equipment and atmosphere intercommunication or with desulfurization equipment intercommunication, thereby avoid the serious constant temperature flue gas of pollutant to let into the atmosphere. Solves the problem of unsatisfactory dust removal effect caused by failure of the flue gas dust removal equipment which cannot be found in time in the prior art, avoids the formation of acid liquid drops, and reduces environmental pollution.
The foregoing details of the optional implementation of the embodiment of the present invention have been described in detail with reference to the accompanying drawings, but the embodiment of the present invention is not limited to the specific details of the foregoing implementation, and various simple modifications may be made to the technical solution of the embodiment of the present invention within the scope of the technical concept of the embodiment of the present invention, and these simple modifications all fall within the protection scope of the embodiment of the present invention.
In addition, the specific features described in the above embodiments may be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, various possible combinations of embodiments of the present invention are not described in detail.
Those skilled in the art will appreciate that all or part of the steps in implementing the methods of the embodiments described above may be implemented by a program stored in a storage medium, including instructions for causing a single-chip microcomputer, chip or processor (processor) to perform all or part of the steps of the methods described in the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
In addition, any combination of various embodiments of the present invention may be performed, so long as the concept of the embodiments of the present invention is not violated, and the disclosure of the embodiments of the present invention should also be considered.
Claims (10)
1. An energy-saving and consumption-reducing dust-removing and ash-transporting system communicated with a boiler and desulfurization equipment, which is characterized by comprising:
the dust removing device (1) is communicated with the boiler and is used for removing and collecting dust in the flue gas discharged from the boiler, and the flue gas after dust removal becomes purified flue gas and is discharged from the dust removing device (1);
the diagnosis alarm device (2) is arranged on the dust removing device (1) and is used for detecting the dust concentration of the purified flue gas and sending out a corresponding alarm prompt according to the dust concentration;
the flue gas heating device (3) is communicated with the dust removing device (1) through a pipeline and is used for heating purified flue gas discharged from the dust removing device (1) to a first set temperature to form constant-temperature flue gas and discharging the constant-temperature flue gas from the flue gas heating device (3);
an exhaust device (4) for receiving the constant temperature flue gas exhausted from the flue gas heating device (3) and exhausting the constant temperature flue gas to the desulfurization apparatus or the atmosphere;
the smoke detector (5) is arranged at the smoke inlet of the discharge device (4) and is used for detecting the concentration of pollutants in constant-temperature smoke entering the discharge device (4);
and the control device (10) is electrically connected with the discharge device (4) and the smoke detector (5) and is used for sending corresponding communication instructions to the discharge device (4) according to the pollutant concentration so as to control the discharge device (4) to discharge constant-temperature smoke into the desulfurization equipment or the atmosphere.
2. The energy saving and consumption reducing dust removing and transporting system according to claim 1, wherein the dust removing device (1) comprises: an electric dust collector (11) and an ash bucket (12);
the electric dust remover (11) is communicated with the boiler and is used for removing dust in the flue gas exhausted from the boiler to form purified flue gas;
the ash bucket (12) is used for collecting dust removed from the flue gas;
the control device (10) is also used for outputting an opening and closing instruction to the electric dust collector (11) so as to control the electric dust collector (11) to be opened or closed.
3. The energy saving and consumption reducing dust removing and transporting system according to claim 2, wherein the dust removing device (1) further comprises: a vibrator (13) arranged on the wall of the ash bucket (12) and used for vibrating the wall of the ash bucket (12);
the control device (10) is further adapted to output a rapping command to the rapper (13) for controlling the rapper (13) to perform a rapping action.
4. The energy saving and consumption reducing dust removing and transporting system according to claim 2, wherein the dust removing device (1) further comprises: the dust removal heating instrument (15) is arranged in the ash bucket (12) and is used for heating purified flue gas entering the ash bucket (12) to a first set temperature.
5. The energy-saving and consumption-reducing dust-removing and ash-transporting system according to claim 1, further comprising: the heat preservation device (6) is arranged between the smoke heating device (3) and the discharge device (4) and is used for receiving constant-temperature smoke discharged from the smoke heating device (3) and assisting the constant-temperature smoke to be kept at a first set temperature.
6. The energy saving and consumption reducing dust removing and ash transporting system according to claim 5, characterized in that the heat preservation device (6) comprises: an incubator, a heater and a temperature detector;
the heat preservation box is communicated with the smoke heating device (3) and the discharge device (4) and is used for receiving constant-temperature smoke discharged from the smoke heating device (3);
the temperature detector is arranged in the heat preservation box and is used for detecting the temperature of constant-temperature flue gas in the heat preservation box;
the heater is arranged in the heat insulation box and is used for heating the constant-temperature flue gas so as to keep the constant-temperature flue gas at a first set temperature;
the control device (10) is also used for receiving the temperature of the constant-temperature flue gas detected by the temperature detector, and outputting a heating instruction to the heater according to the temperature of the constant-temperature flue gas so as to control the heater to heat the constant-temperature flue gas to a first set temperature.
7. The energy saving and consumption reducing dust removing and ash transporting system according to claim 6, wherein the heat preservation device (6) further comprises: the display is arranged on the heat preservation box and electrically connected with the temperature detector, and is used for displaying the temperature of the constant-temperature flue gas in the heat preservation box detected by the temperature detector.
8. The energy-saving and consumption-reducing dust-removing and ash-transporting system according to claim 6, further comprising: the flow rate regulating valve (7) is arranged between the heat preservation device (6) and the smoke detector (5) and is used for regulating the flow rate of constant-temperature smoke discharged from the heat preservation device (6);
the control device (10) is also used for outputting an adjusting instruction to the flow rate adjusting valve (7) so as to adjust the flow rate of the constant-temperature flue gas discharged from the heat preservation device (6) by controlling the opening degree of the flow rate adjusting valve (7).
9. The energy saving and consumption reducing dust removing and ash transporting system according to claim 1, characterized in that the discharging device (4) comprises: a discharge bin (41), a first discharge valve and a second discharge valve;
the discharge bin (41) is provided with a smoke inlet, a first smoke outlet and a second smoke outlet, the smoke inlet is connected with the smoke outlet of the smoke heating device (3) through a pipeline, the first smoke outlet is communicated with the atmosphere through a pipeline, and the second smoke outlet is connected with the smoke inlet of the desulfurization device through a pipeline;
the first discharge valve is arranged at the first smoke outlet, the second discharge valve is arranged at the second smoke outlet, and the first discharge valve and the second discharge valve are electrically connected with the control device (10);
the control device (10) is used for sending a corresponding communication instruction to the first discharge valve or the second discharge valve according to the pollutant concentration, and the first discharge valve or the second discharge valve is opened and closed according to the corresponding communication instruction so as to control the discharge device (4) to discharge constant-temperature flue gas into the desulfurization equipment or the atmosphere.
10. The energy-saving and consumption-reducing dust-removing and ash-transporting system according to claim 1, further comprising: the purification fan (8) is arranged on a pipeline between the dust removing device (1) and the flue gas heating device (3) and is used for conveying the purified flue gas in the dust removing device (1) into the flue gas heating device (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311728028.2A CN117839867A (en) | 2023-12-15 | 2023-12-15 | Energy-saving consumption-reducing dedusting ash conveying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311728028.2A CN117839867A (en) | 2023-12-15 | 2023-12-15 | Energy-saving consumption-reducing dedusting ash conveying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117839867A true CN117839867A (en) | 2024-04-09 |
Family
ID=90531975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311728028.2A Pending CN117839867A (en) | 2023-12-15 | 2023-12-15 | Energy-saving consumption-reducing dedusting ash conveying system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117839867A (en) |
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2023
- 2023-12-15 CN CN202311728028.2A patent/CN117839867A/en active Pending
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