CN202893169U - Device for simultaneously generating ozone, desulfurizing and denitrating by high-pressure electrostatic dust collection electric field of coal-fired unit - Google Patents

Device for simultaneously generating ozone, desulfurizing and denitrating by high-pressure electrostatic dust collection electric field of coal-fired unit Download PDF

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Publication number
CN202893169U
CN202893169U CN 201220614936 CN201220614936U CN202893169U CN 202893169 U CN202893169 U CN 202893169U CN 201220614936 CN201220614936 CN 201220614936 CN 201220614936 U CN201220614936 U CN 201220614936U CN 202893169 U CN202893169 U CN 202893169U
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China
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control system
electric field
ozone
water mist
coal
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CN 201220614936
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黄志超
李陈灏
马宗宣
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XIAMEN CHENGLI ELECTROMECHANICAL EQUIPMENT CO Ltd
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XIAMEN CHENGLI ELECTROMECHANICAL EQUIPMENT CO Ltd
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Abstract

The utility model discloses a device for generating ozone, desulfurizing and denitrating by a high-pressure electrostatic dust collection electric field of a coal-fired unit. The device comprises an electrostatic dust collection channel, a neutralizing tower, a water mist spraying device, a water supply device, a power control system, a spraying control system and an intelligent closed loop control system, wherein the electrostatic dust collection channel is formed by a plurality of electric fields connected in turn; the flashover frequency of the power control system is set as 150-10000 times per min, the water mist spraying device is arranged in the neutralizing tower, and the power control system and the spraying control system are automatically coordinated through the intelligent closed loop control system, so that a denitration function is added to a high-pressure electrostatic dust collection device on the basis of keeping original electric dust collection and desulfuration functions; the denitration function does not need investment; the environment-friendly emission requirement is met when the existing equipment is reasonably utilized; and the device has the characteristics of low cost, high running effect and remarkable overall economic benefit.

Description

Coal-fired unit high-pressure electrostatic precipitation electric field produces the simultaneously device of desulphurization denitration of ozone
Technical field
The utility model belongs to the high pressure electrostatic precipitation technology field, particularly relates to a kind of coal-fired unit high-pressure electrostatic precipitation electric field and produces the simultaneously device of desulphurization denitration of ozone.
Background technology
Owing in industrial production, can produce a large amount of flue gases and flying dust inevitably, and also contain a large amount of fine particles dust in the flue gas, to cause serious environmental pollution if these flying dusts and dust directly be discharged in the environment, not only ecological environment is caused in various degree destruction, and bring harm can for people's health, therefore, national governments have all formulated quite strict governance standard, require enterprise that dust is processed.
High-pressure electrostatic precipitation is a kind of dedusting method commonly used.Dusty gas is separated by electricity during through the high-voltage electrostatic field, after grit is combined with anion and is with upper negative electricity, and trend anode surface discharge and depositing.In the industry such as metallurgical, chemical in order to Purge gas or reclaim useful grit.Thereby utilize electrostatic field to make gas ionization make dust particles be adsorbed onto collecting method on the electrode.Be ionized at highfield Air molecule and be cation and electronics, electronics marches on towards in the anodal process and runs into grit, and the electronegative positive pole that is adsorbed onto of grit is collected.Be usually used in factory, power station take coal as fuel, collect coal ash and dust in the flue gas.
At present, country improves year by year to the requirement of environmental protection, and the electric precipitation of existing enterprise and desulfurizer all face the effect problem of putting forward in various degree.Along with the appearance of the up-to-date environmental requirement of country, many coal-fired units all need to increase denitrification apparatus, just can meet emission request.Yet this measure not only needs the newly added equipment investment, and the operating cost of service equipment also is a no small spending.
The utility model content
The purpose of this utility model is to overcome the deficiency of prior art, provide a kind of coal-fired unit high-pressure electrostatic precipitation electric field to produce the simultaneously device of desulphurization denitration of ozone, by existing high-pressure static cleaner is transformed, increased the denitration function on the basis that keeps original electric precipitation, desulfurizing function, and possessing of denitration function need be invested hardly, on the basis that rationally utilizes existing equipment, reach the environment protection emission requirement, have that cost is low, operational effect is high, the whole economic efficiency outstanding feature.
The technical scheme that its technical problem that solves the utility model adopts is: coal-fired unit high-pressure electrostatic precipitation electric field produces the simultaneously device of desulphurization denitration of ozone, comprising:
The one electrostatic precipitation passage that sequentially joins and form by a plurality of electric fields, the entrance point of electrostatic precipitation passage is communicated in the dust-exhausting port of coal-fired unit;
One neutralizing tower, the bottom of this neutralizing tower is provided with import, and this import is connected with the port of export of electrostatic precipitation passage, and the top of this neutralizing tower is provided with outlet, and this outlet is connected with follow-up equipment or space outerpace;
At least be scattered in two layers thin water mist sprinkling device, the thin water mist sprinkling device of each layer is installed in respectively in the neutralizing tower and is between the import and outlet of neutralizing tower, and the globule diameter of the thin water mist sprinkling device ejection of each layer is respectively between 50~200 μ m;
One water supply installation, this water supply installation is connected with described thin water mist sprinkling device, and water supply installation provides the water spray source to thin water mist sprinkling device;
One power control system, this power control system is connected with each electric field of electrostatic precipitation passage respectively, power control system provides power supply signal to each electric field respectively, and it is 150~10000 beats/mins that the flashover frequency of the power supply signal of at least one electric field acquisition is wherein arranged;
One spray control system, this spray control system are connected with the thin water mist sprinkling device of each layer respectively, and the spray control system is controlled the spray mode of thin water mist sprinkling device; With
One Intelligent closed-loop control system, this Intelligent closed-loop control system is connected with power control system, spray control system respectively, this Intelligent closed-loop control system provides power supply signal and impact to spray control system to the control of thin water mist sprinkling device to affect power control system on electric field respectively to power control system, spray control system output signal.
Further, the flashover frequency of the power supply signal of described at least one electric field acquisition is 2000~10000 beats/mins.
Described water supply installation comprises high-pressure hydraulic pump, cistern and tertiary filter, the import of tertiary filter is connected with external water source, the outlet of tertiary filter is connected with the import of cistern, the outlet of cistern is connected with the import of high-pressure hydraulic pump, and the water under high pressure delivery side of pump is connected with the thin water mist sprinkling device of each layer respectively.
Described Intelligent closed-loop control system comprises single-chip microcomputer, input unit, sulfur monoxide sensor, nitric oxide sensor, nitrogen dioxide sensor, SO 2 sensor, ozone sensor and transmissometer, the output of sulfur monoxide sensor, nitric oxide sensor, nitrogen dioxide sensor, SO 2 sensor, ozone sensor and transmissometer connects respectively single-chip microcomputer, input unit is connected with single-chip microcomputer, and the output of single-chip microcomputer connects respectively power control system, spray control system.
Coal-fired unit high-pressure electrostatic precipitation electric field of the present utility model produces the simultaneously device of desulphurization denitration of ozone, in the process of utilizing the electrostatic precipitation passage that forms of sequentially being joined by a plurality of electric fields that the dust discharge of coal-fired unit is processed, providing the flashover frequency at least one electric field wherein is 150~10000 beats/mins power supply signal, to increase substantially the collection to high resistivity dust and fine particles, make simultaneously electric field produce a large amount of ozone, utilize the strong oxidizing property energy of ozone, the SO that is insoluble in water, NO in the flue gas are oxidized to SO soluble in water 2, NO 2And in the neutralisation treatment process, adopt the respectively thin water mist sprinkling device of the multilayer between 50~200 μ m of globule diameter, greatly to have increased gas, liquid two contacted surface areas, can reach rapidly and carry out fully neutralization reaction, generate sulfate and nitrate, realized denitration on the basis of desulfurization.
Coal-fired unit high-pressure electrostatic precipitation electric field of the present utility model produces the simultaneously device of desulphurization denitration of ozone, on electric precipitation is processed, original power control system is adjusted, the right flashover frequency of original power control system is below 150 beats/mins, the flashover frequency of power control system of the present utility model is 150~10000 beats/mins, preferred flashover frequency is 2000~10000 beats/mins, high flashover frequency can increase substantially electric dust collector and collect high resistivity dust and fine particles, and possesses the function of spark deashing, electric field produces a large amount of ozone simultaneously, the strong oxidizing property energy of ozone is with the SO that is insoluble in water in the flue gas, NO is oxidized to SO soluble in water 2, NO 2Deng, generate salt through neutralization.
Coal-fired unit high-pressure electrostatic precipitation electric field of the present utility model produces the simultaneously device of desulphurization denitration of ozone, on neutralisation treatment, adopt the heavy pressure fine spray spray equipment, globule diameter is at 50~200 μ m, specific area and common spray differ huge, have greatly increased gas, liquid two contacted surface areas, can reach rapidly and carry out fully neutralization reaction, generate sulfate and nitrate, possessed simultaneously the denitration function after making former desulfurizer transformation.
Coal-fired unit high-pressure electrostatic precipitation electric field of the present utility model produces the simultaneously device of desulphurization denitration of ozone, adopted intelligentized closed-loop control system, can control each electric field of electric precipitation and produce different flashover frequencies, making the electric precipitation electric field take into account dust removing effects and produce valid density ozone is function, the Intelligent closed-loop control system is by detecting, feeding back simultaneously, control heavy pressure fine spray spray equipment makes the SO that neutralizes with in the emitted dose Auto-matching flue gas of solution 2, NO 2Deng, guarantee the balance movement of dedusting, desulphurization denitration to reach optimum efficiency.
Coal-fired unit high-pressure electrostatic precipitation electric field of the present utility model produces the simultaneously device of desulphurization denitration of ozone, it is a kind of collection high-pressure electrostatic precipitation, carry electric field and produce adjustable concentration ozone, reach the smoke eliminator that desulphurization denitration is integrated by ozone oxidation through the spray neutralization.The utility model is by the work of each operation of Intelligent closed-loop control system automatic synchronization, to reach the optimum discharge index; The electric dust-removing power supply control system of high spark rate, its spark rate is adjustable in 150~10000 beats/mins of intervals; By the electric field in the electrostatic precipitation passage (being generally 3-6) timesharing control, make to have at least an electric field to be in high spark rate running status in the whole passage, guarantee that ozone concentration is sufficient in oxidation reaction; In the desulphurization denitration spray column, the different shower nozzle in aperture is set produces thin water smoke, cooperate the Intelligent closed-loop control system adjustable to the classification of flow, pressure, guarantee fully neutralization.
The beneficial effects of the utility model are, owing to having adopted the electrostatic precipitation passage that sequentially joins and form by a plurality of electric fields, neutralizing tower, thin water mist sprinkling device, water supply installation, power control system, spray control system and Intelligent closed-loop control system consist of coal-fired unit high-pressure electrostatic precipitation electric field and produce the simultaneously device of desulphurization denitration of ozone, it is 150~10000 beats/mins by the flashover frequency setting with power control system, by in neutralizing tower, establishing thin water mist sprinkling device, by the Intelligent closed-loop control system to power control system, the automatic synchronization of spray control system, so that high voltage electrostatic dust precipitator, keeping original electric precipitation, increased the denitration function on the basis of desulfurizing function, and possessing of denitration function need be invested hardly, on the basis that rationally utilizes existing equipment, reach the environment protection emission requirement, have a cost low, operational effect is high, the whole economic efficiency outstanding feature.
Below in conjunction with drawings and Examples the utility model is described in further detail; But coal-fired unit high-pressure electrostatic precipitation electric field of the present utility model produces the device of ozone while desulphurization denitration and is not limited to embodiment.
Description of drawings
Fig. 1 is formation schematic diagram of the present utility model;
Fig. 2 is the theory diagram of Intelligent closed-loop control system of the present utility model;
Fig. 3 is the schematic diagram of the closed-loop control process of Intelligent closed-loop control system of the present utility model.
The specific embodiment
Embodiment, referring to shown in Figure 1, coal-fired unit high-pressure electrostatic precipitation electric field of the present utility model produces the simultaneously device of desulphurization denitration of ozone, comprising:
The one electrostatic precipitation path 10 0 that sequentially joins and form by a plurality of electric fields, the entrance point of electrostatic precipitation path 10 0 is communicated in the dust-exhausting port of coal-fired unit; The present embodiment is six electric fields, is respectively electric field 1, electric field 2, electric field 3, electric field 4, electric field 5,6, six electric fields of electric field and sequentially joins;
One neutralizing tower 10, the bottom of this neutralizing tower 10 is provided with import, and this import is connected with the port of export of electrostatic precipitation path 10 0, and the top of this neutralizing tower 10 is provided with outlet, and this outlet is connected with follow-up equipment or space outerpace;
At least be scattered in two layers thin water mist sprinkling device 11, the present embodiment adopts two layers thin water mist sprinkling devices 11, the thin water mist sprinkling device 11 of each layer is installed in respectively in the neutralizing tower 10 and is between the import and outlet of neutralizing tower, and the globule diameter of thin water mist sprinkling device 11 ejection of each layer is respectively between 50~200 μ m;
One water supply installation, this water supply installation is connected with described thin water mist sprinkling device 11, and water supply installation provides the water spray source to thin water mist sprinkling device; In the present embodiment, water supply installation comprises high-pressure hydraulic pump 12, cistern 13 and tertiary filter 14, the import of tertiary filter 14 is connected with external water source, the outlet of tertiary filter 14 is connected with the import of cistern 13, the outlet of cistern 13 is connected with the import of high-pressure hydraulic pump 12, and the outlet of high-pressure hydraulic pump 12 is connected with the thin water mist sprinkling device 11 of each layer respectively;
One power control system 7, this power control system 7 is connected with each electric field of electrostatic precipitation path 10 0 respectively, power control system 7 provides power supply signal to each electric field respectively, and it is 150~10000 beats/mins that the flashover frequency of the power supply signal of at least one electric field acquisition is wherein arranged;
One spray control system 8, this spray control system 8 is connected with the thin water mist sprinkling device 11 of each layer respectively, the spray mode of the thin water mist sprinkling device of spray control system 8 controls, adjustable etc. such as the classification of globule diameter, flow, pressure, can utilize the shower nozzle of control provided with electromagnetic valve just can realize when globule diameter and Flow-rate adjustment, the adjusting of pressure can utilize the control to high-pressure hydraulic pump to realize; With
One Intelligent closed-loop control system 9, this Intelligent closed-loop control system 9 is connected with power control system 7, spray control system 8 respectively, this Intelligent closed-loop control system 9 provides the control (pearl diameter, flow, pressure etc.) of power supply signal and 8 pairs of thin water mist sprinkling devices 11 of impact spray control system respectively to power control system 7, spray control system 8 output signals on electric field to affect power control system 7.
Further, the flashover frequency of the power supply signal of described at least one electric field acquisition is 2000~10000 beats/mins.
Referring to shown in Figure 2, described Intelligent closed-loop control system 9 comprises single-chip microcomputer 91, input unit 92, sulfur monoxide sensor 93, nitric oxide sensor 94, nitrogen dioxide sensor 95, SO 2 sensor 96, ozone sensor 97 and transmissometer 98, the output of sulfur monoxide sensor 93, nitric oxide sensor 94, nitrogen dioxide sensor 95, SO 2 sensor 96, ozone sensor 97 and transmissometer 98 connects respectively single-chip microcomputer 91, input unit 92 is connected with single-chip microcomputer 91, and the output of single-chip microcomputer 91 connects respectively power control system 7, spray control system 8.
Coal-fired unit high-pressure electrostatic precipitation electric field of the present utility model produces the simultaneously device of desulphurization denitration of ozone, in the process of utilizing the electrostatic precipitation passage that forms of sequentially being joined by a plurality of electric fields that the dust discharge of coal-fired unit is processed, providing the flashover frequency at least one electric field wherein is 150~10000 beats/mins power supply signal, to increase substantially the collection to high resistivity dust and fine particles, make simultaneously electric field produce a large amount of ozone, utilize the strong oxidizing property energy of ozone, the SO that is insoluble in water, NO in the flue gas are oxidized to SO soluble in water 2, NO 2And in the neutralisation treatment process, adopt the respectively thin water mist sprinkling device of the multilayer between 50~200 μ m of globule diameter, greatly to have increased gas, liquid two contacted surface areas, can reach rapidly and carry out fully neutralization reaction, generate sulfate and nitrate, realized denitration on the basis of desulfurization.
Coal-fired unit high-pressure electrostatic precipitation electric field of the present utility model produces the simultaneously device of desulphurization denitration of ozone, on electric precipitation is processed, original power control system is adjusted, the right flashover frequency of original power control system is below 150 beats/mins, the flashover frequency of power control system 7 of the present utility model is 150~10000 beats/mins, preferred flashover frequency is 2000~10000 beats/mins, high flashover frequency can increase substantially electric dust collector and collect high resistivity dust and fine particles, and possesses the function of spark deashing, electric field produces a large amount of ozone simultaneously, the strong oxidizing property energy of ozone is with the SO that is insoluble in water in the flue gas, NO is oxidized to SO soluble in water 2, NO 2Deng, generate salt through neutralization.
Flashover detects and can adopt the differential mode from secondary current, isolate flashover signal in the secondary voltage signal, deliver to CPU by high speed photo coupling and interrupt detecting mouth, horse back AD gathered the secondary voltage current signal value after CPU identified flashover signal, software reaffirms that flashover occurs, in a single day flashover is identified output (being that the transformer input the is 0V) 5ms that CPU stops inverter at once, and then begin every 1ms from 80% of last flashover voltage and rise 10% until flashover occurs again, whether calculated the flashover number of times in per 10 seconds greater than 1/6 of self-defining per minute flashover number of times, if do not reach then reduce the flashover dwell time, the longest 5ms of flashover dwell time, the shortest 1ms, can improve rapidly the flashover frequency like this, be up to the flashover frequency of per minute 10000 times.
Coal-fired unit high-pressure electrostatic precipitation electric field of the present utility model produces the simultaneously device of desulphurization denitration of ozone, on neutralisation treatment, adopt the heavy pressure fine spray spray equipment, globule diameter is at 50~200 μ m, specific area and common spray differ huge, have greatly increased gas, liquid two contacted surface areas, can reach rapidly and carry out fully neutralization reaction, generate sulfate and nitrate, possessed simultaneously the denitration function after making former desulfurizer transformation.
Adopt high-pressure hydraulic pump to produce 5~16Mpa pressure, fine mist spray head combination by designing, layering sprays, and has improved greatly the contact area of gas, liquid two-phase, increase degree and the speed of reaction, greatly reduced the discharging of nitrogen oxide, sulfur dioxide.
Coal-fired unit high-pressure electrostatic precipitation electric field of the present utility model produces the simultaneously device of desulphurization denitration of ozone, adopted intelligentized closed-loop control system, can control each electric field of electric precipitation and produce different flashover frequencies, making the electric precipitation electric field take into account dust removing effects and produce valid density ozone is function, the Intelligent closed-loop control system is by detecting, feeding back simultaneously, control heavy pressure fine spray spray equipment makes the SO that neutralizes with in the emitted dose Auto-matching flue gas of solution 2, NO 2Deng, guarantee the balance movement of dedusting, desulphurization denitration to reach optimum efficiency.
Referring to shown in Figure 3, the Intelligent closed-loop control system is double loop system, be divided into flashover frequency link (ozone generation), the water mist sprinkling link, the given of two closed loops is sulfur monoxide, the index of content of nitric oxide, feedback loop is the value of actual gas content of the collection of above two kinds of gas sensors, native system contains the high accuracy sulfur monoxide, nitric oxide sensor, nitrogen dioxide, SO 2 sensor, ozone sensor, transmissometer etc., carried or the index of the various dischargings that reach by man-machine interface input expection by program itself, pass through ozone, nitric oxide, the sulfur monoxide sensor, transmissometer gathers the actual discharge value and compares as feedback signal and set-point and draw deviate given and reality, ozone and the nitric oxide sulfur monoxide of deviate being sent into flashover frequency processing link generation respective concentration fully react, and provide the nitrogen dioxide of water mist sprinkling link, the sulfur dioxide concentration set-point, nitrogen dioxide, SO 2 sensor detects water smoke link chemical reaction situation as feedback signal and nitrogen dioxide, the given signal of sulfur dioxide relatively draws deviate and sends into the water mist sprinkling link and adjust the mode of atomized water spray and reach the out of stock effect of better desulfurization, be in the value of feedback of system least significant end and given signal relatively, so going round and beginning again reaches poised state until each deviate is 0 whole system, and the out of stock effect of desulfurization this moment gets a desired effect.
Coal-fired unit high-pressure electrostatic precipitation electric field of the present utility model produces the simultaneously device of desulphurization denitration of ozone, it is a kind of collection high-pressure electrostatic precipitation, carry electric field and produce adjustable concentration ozone, reach the smoke eliminator that desulphurization denitration is integrated by ozone oxidation through the spray neutralization.The utility model is by the work of each operation of Intelligent closed-loop control system automatic synchronization, to reach the optimum discharge index; The electric dust-removing power supply control system of high spark rate, its spark rate is adjustable in 150~10000 beats/mins of intervals; By the electric field in the electrostatic precipitation passage (being generally 3-6) timesharing control, make to have at least an electric field to be in high spark rate running status in the whole passage, guarantee that ozone concentration is sufficient in oxidation reaction; In the desulphurization denitration spray column, the different shower nozzle in aperture is set produces thin water smoke, cooperate the Intelligent closed-loop control system adjustable to the classification of flow, pressure, guarantee fully neutralization.
Above-described embodiment only is used for further specifying coal-fired unit high-pressure electrostatic precipitation electric field of the present utility model and produces the simultaneously device of desulphurization denitration of ozone; but the utility model is not limited to embodiment; every foundation technical spirit of the present utility model all falls in the protection domain of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment does.

Claims (4)

1. a coal-fired unit high-pressure electrostatic precipitation electric field produces the simultaneously device of desulphurization denitration of ozone, it is characterized in that: comprising:
The one electrostatic precipitation passage that sequentially joins and form by a plurality of electric fields, the entrance point of electrostatic precipitation passage is communicated in the dust-exhausting port of coal-fired unit;
One neutralizing tower, the bottom of this neutralizing tower is provided with import, and this import is connected with the port of export of electrostatic precipitation passage, and the top of this neutralizing tower is provided with outlet, and this outlet is connected with follow-up equipment or space outerpace;
At least be scattered in two layers thin water mist sprinkling device, the thin water mist sprinkling device of each layer is installed in respectively in the neutralizing tower and is between the import and outlet of neutralizing tower, and the globule diameter of the thin water mist sprinkling device ejection of each layer is respectively between 50~200 μ m;
One water supply installation, this water supply installation is connected with described thin water mist sprinkling device, and water supply installation provides the water spray source to thin water mist sprinkling device;
One power control system, this power control system is connected with each electric field of electrostatic precipitation passage respectively, power control system provides power supply signal to each electric field respectively, and it is 150~10000 beats/mins that the flashover frequency of the power supply signal of at least one electric field acquisition is wherein arranged;
One spray control system, this spray control system are connected with the thin water mist sprinkling device of each layer respectively, and the spray control system is controlled the spray mode of thin water mist sprinkling device; With
One Intelligent closed-loop control system, this Intelligent closed-loop control system is connected with power control system, spray control system respectively, this Intelligent closed-loop control system provides power supply signal and impact to spray control system to the control of thin water mist sprinkling device to affect power control system on electric field respectively to power control system, spray control system output signal.
2. coal-fired unit high-pressure electrostatic precipitation electric field according to claim 1 produces the simultaneously device of desulphurization denitration of ozone, it is characterized in that: further, the flashover frequency of the power supply signal that described at least one electric field obtains is 2000~10000 beats/mins.
3. coal-fired unit high-pressure electrostatic precipitation electric field according to claim 1 and 2 produces the simultaneously device of desulphurization denitration of ozone, it is characterized in that: described water supply installation comprises high-pressure hydraulic pump, cistern and tertiary filter, the import of tertiary filter is connected with external water source, the outlet of tertiary filter is connected with the import of cistern, the outlet of cistern is connected with the import of high-pressure hydraulic pump, and the water under high pressure delivery side of pump is connected with the thin water mist sprinkling device of each layer respectively.
4. coal-fired unit high-pressure electrostatic precipitation electric field according to claim 1 and 2 produces the simultaneously device of desulphurization denitration of ozone, it is characterized in that: described Intelligent closed-loop control system comprises single-chip microcomputer, input unit, the sulfur monoxide sensor, nitric oxide sensor, nitrogen dioxide sensor, SO 2 sensor, ozone sensor and transmissometer, the sulfur monoxide sensor, nitric oxide sensor, nitrogen dioxide sensor, SO 2 sensor, the output of ozone sensor and transmissometer connects respectively single-chip microcomputer, input unit is connected with single-chip microcomputer, and the output of single-chip microcomputer connects respectively power control system, the spray control system.
CN 201220614936 2012-11-19 2012-11-19 Device for simultaneously generating ozone, desulfurizing and denitrating by high-pressure electrostatic dust collection electric field of coal-fired unit Withdrawn - After Issue CN202893169U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102949921A (en) * 2012-11-19 2013-03-06 厦门城力机电设备有限公司 High-pressure electrostatic dust collection electric field device of coal-fired unit for generating ozone and simultaneously desulfurizing and denitrating
CN104984643A (en) * 2015-06-26 2015-10-21 上海纳米技术及应用国家工程研究中心有限公司 Purifier for regional pollution caused by motor vehicle exhaust

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102949921A (en) * 2012-11-19 2013-03-06 厦门城力机电设备有限公司 High-pressure electrostatic dust collection electric field device of coal-fired unit for generating ozone and simultaneously desulfurizing and denitrating
CN104984643A (en) * 2015-06-26 2015-10-21 上海纳米技术及应用国家工程研究中心有限公司 Purifier for regional pollution caused by motor vehicle exhaust

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