CN101468280A - Spray tower and electrostatic dust-removing, desulfurizing and denitrating device - Google Patents
Spray tower and electrostatic dust-removing, desulfurizing and denitrating device Download PDFInfo
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- CN101468280A CN101468280A CNA2007103046007A CN200710304600A CN101468280A CN 101468280 A CN101468280 A CN 101468280A CN A2007103046007 A CNA2007103046007 A CN A2007103046007A CN 200710304600 A CN200710304600 A CN 200710304600A CN 101468280 A CN101468280 A CN 101468280A
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- spray column
- ammonium salt
- denitration
- denitration device
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Abstract
The invention relates to a spray tower electrostatic dusting removal desulphurization and denitration device, which mainly comprises a spray tower and an electrostatic processor, wherein the electrostatic processor comprises a humidity and temperature adjuster, an activation device and an ammonium salt collector; the humidity and temperature adjuster, the activation device and the ammonium salt collector are arranged in the same shell; and a humidifying temperature adjusting area of the humidity and temperature adjuster, an ammonification activating area of an ammonification activation device, an oxidation synthesizing area of an oxidation synthesizer, and an ammonium salt collecting area of the ammonium salt collector are arranged in the shell sequentially along the airflow direction. By adopting the structure, the spray tower is used to perform dust removal so that the flue dust content accords with the discharge requirement, and a wet dust removal process is used to humidify the flue gas so as to reduce the humidification amount for the subsequent process; the subsequent humidity and temperature adjuster, the activation device and the ammonium salt collector are combined together organically to save connecting pipelines between the devices so that the structure is more compact, the airtightness is improved, the ground is saved, and the maintenance is more convenient. The spray tower electrostatic dusting removal desulphurization and denitration device is mainly applied to the dusting removal, the desulphurization and the denitration of the flue gas.
Description
Technical field
The present invention relates to a kind of spray column and static dusting desulfurization and denitration device, belong to field of environment protection.
Background technology
The existing device that is used for the dust-removal and desulfurizing denitrification apparatus comprises the flue gas humidifying cooling tower that is used for the flue gas humidifying cooling, be used to add the gas ammonia throwing device of desulfurization denitrification agent, be used for the nanosecond pulse high voltage source that corona discharge pulse causes free radical and ion generation, be used for activated water steam and ammonia, the pulsed discharge plasma reactor that steam after the activation and ammonia and sulfur in smoke and nitrogen oxide react, be used to collect the accessory substance gathering-device of accessory substance, flue gas humidifying cooling tower and Pulse Electric plasma reactor, the accessory substance gathering-device connects successively, the gas ammonia throwing device, the nanosecond pulse high voltage source is connected with the pulsed discharge plasma reactor respectively.Because flue gas humidifying cooling tower is connected by flue with the accessory substance gathering-device successively with the pulsed discharge plasma reactor, again owing to before this device, also be provided with spray column, therefore, this structure floor space is bigger, has that one-time investment is big, energy consumption is than problems such as height.
Summary of the invention
For overcoming the defective of prior art, the invention provides a kind of spray column static dusting desulfurization and denitration device, this device technique flow process is reasonable, accounts at area for a short time, and operating cost is low, the dust-removal and desulfurizing denitration of suitable flue gas.
The present invention realizes that the technical scheme of above-mentioned purpose is: a kind of spray column static dusting desulfurization and denitration device, mainly constitute by spray column and electrostatic treater, described electrostatic treater comprises damping register, activating apparatus and ammonium salt gathering-device, described damping register, activating apparatus and ammonium salt gathering-device are arranged in the same housing, are disposed with the humidification temperature adjustment district of damping register, the ammonification activation pressure of ammonification activating apparatus, the synthetic district of oxidation of oxidation synthesizer and the ammonium salt collecting region of hungry salt gathering-device along airflow direction in this housing.
After adopting this structure, carry out dedusting by spray column, make smoke content meet emission request, and give the flue gas humidification, reduce the humidification amount of subsequent technique by wet dust removal technology, follow-up damping register, activating apparatus, money salt gathering-device organically combine, save the connecting pipe between each device, made structure more compact, improved sealing, also saved the soil, maintaining is more convenient.
Description of drawings
Fig. 1 is a main cross-sectional schematic of the present invention
The specific embodiment
Referring to Fig. 1, the present invention includes spray column 100, heat heat sink, activating apparatus, ammonium salt gathering-device form, wherein be divided into two parts on the shell, a part is spray column and corollary equipment (for example fluid reservoir 107 and pump) thereof, another part relates generally to static, is disposed with the humidification temperature adjustment district 2 of damping register, the ammonification region of activation 4 of ammonification activating apparatus, the synthetic district 5 of oxidation of oxidation synthesizer and the ammonium salt collecting region 6 of ammonium salt gathering-device along airflow direction in same housing; Humidification temperature adjustment district comprises the atomized water nozzle 3 that is arranged on case top, the dredge pump that is arranged on housing bottom and plash, is arranged on the temperature sensor in the housing; Sparking electrode 7 in the described ammonification region of activation is made of the person in charge and pin, and an end of several pins is perpendicular to person in charge's axis, and several holes of passing on the person in charge are fixedly connected with person in charge's inwall.
Humidification temperature adjustment district comprises the atomized water nozzle that is arranged on case top, is arranged on the dredge pump and the plash of housing bottom, is arranged on the temperature sensor in the housing.
Sparking electrode in the ammonification region of activation is made of the person in charge and pin, and an end of several pins is perpendicular to person in charge's axis, and fixedlys connected with person in charge's inwall in several holes of passing on the person in charge.
The middle part in space is provided with plurality of washing nozzle for liquid 103 in the described spray column, and the bottom is provided with several layers sieve plate 106, and top is provided with gas-liquid separation device 102.The air inlet 105 of tower is connected in the interior space of tower of sieve plate bottom, gas outlet 101 is connected in the outlet side of described gas-liquid device, the outlet conduit of described fluid reservoir 107 connects the water supply line of described nozzle, the quantity of described sieve plate is one deck or two-layer, evenly distribute on the cross section in described nozzle space in tower, described gas-liquid separation device is made of some flaps, and the delivery port of described spray column is positioned at a side of sieve plate bottom tower body, and described spray column bottom center is provided with sewage draining exit 104.
When duty, the flue gas that coal-burning boiler produces carries out dedusting by spray column, has not only removed flue dust and can be dissolved in the material of water with other, but also reduced temperature, increased humidity and water content,, simplified follow-up equipment for follow-up technology provides advantage.The pre-oxidation district carries out high-pressure electrostatic precipitation, removes 90-95% dust, regulates by water spray in humidification temperature adjustment district again, flue-gas temperature is dropped to 60-80 ℃, about humidity regulation to 10%.Adjusted flue gas enters the ammonification region of activation, and liquefied ammonia enters ammonification of the present invention region of activation by the earthing pole of ammonification activating apparatus after gasifying, and evenly mixes with flue gas.Wherein the mol ratio of ammonia and sulfur dioxide is 1.8:1-2:1.That mixes with ammonia contains SO
2Flue gas enters the synthetic district of oxidation, under the effect of nanosecond high voltage narrow pulse corona discharge, forms a large amount of nonequilibrium plasmas in the flue gas, makes H in the flue gas
2O, O
2, SO
2, NO
XDeng gas molecule activation, cracking even ionization, produce greatly strong oxidizing property particle, these active particles and the SO that is activated by high energy electron equally
2, NO
xReact, make SO
2, NO
XBe oxidized to SO
3, NO
2, again with flue gas in steam reaction generate H
2SO
4, HNO
3, H
2SO
4, HNO
3With the ammonia react that has activated in the flue gas, generate stable sulfuric acid rapidly by pressing with nitric acid.Owing to contain the dust of trace in the flue gas, dust is easy to just adsorb hydrone, the sulfuric acid of Sheng Chenging is hungry so also just is adsorbed on the little dust with nitric acid is hungry, thereby form bigger particle, and because the viscosity of ammonium salt is bigger, also be easy to just and dust combines, from and reduced the viscosity of money salt, be helpful for the collection of electric field.Contain sulfuric acid by with nitric acid by flue gas enter the ammonium salt collecting region, under ammonium salt collecting region effect of electric field, sulfuric acid money and nitric acid are by being captured by money salt collecting region electric field in the flue gas.The flue gas of dedusting dust and desulphurization denitration enters atmosphere by chimney.Sulfuric acid money that the ammonium salt collecting region is collected and nitric acid is by can be used as fertilizer application, and owing to contains the coal ash dust of trace, the soil block problem of having avoided long-term use sulfuric acid money to cause in the ammonium salt.
Claims (10)
1. spray column static dusting desulfurization and denitration device, it is characterized in that mainly constituting by spray column and electrostatic treater, described electrostatic treater comprises damping register, activating apparatus and ammonium salt gathering-device, and described damping register, activating apparatus and ammonium salt gathering-device are arranged in the same electrostatic apparatus housing.
2. spray column static dusting desulfurization and denitration device as claimed in claim 1 is characterized in that being disposed with the humidification temperature adjustment district of damping register, the ammonification activation pressure of ammonification activating apparatus, the synthetic district of oxidation of oxidation synthesizer and the ammonium salt collecting region of hungry salt gathering-device along airflow direction in the described electrostatic apparatus housing.
3. spray column static dusting desulfurization and denitration device as claimed in claim 2 is characterized in that described humidification temperature adjustment district comprises the atomized water nozzle that is arranged on case top, the dredge pump that is arranged on housing bottom and plash and is arranged on the interior temperature sensor of housing.
4. spray column static dusting desulfurization and denitration device as claimed in claim 2, it is characterized in that the sparking electrode in the ammonification region of activation is made of the person in charge and pin, one end of several pins is perpendicular to person in charge's axis, and fixedlys connected with person in charge's inwall in several holes of passing on the person in charge.
5. as claim 1,2,3 or 4 described spray column static dusting desulfurization and denitration devices, it is characterized in that the middle part in space in the described spray column is provided with the plurality of washing nozzle for liquid.
6. spray column static dusting desulfurization and denitration device as claimed in claim 5 is characterized in that the bottom of described spray column is provided with the several layers sieve plate.
7. spray column static dusting desulfurization and denitration device as claimed in claim 6 is characterized in that the top of described spray column is provided with gas-liquid separation device.
8. spray column static dusting desulfurization and denitration device as claimed in claim 7 is characterized in that the air inlet of described spray column is connected in the interior space of tower of sieve plate bottom, and the gas outlet is connected in the outlet side of described gas-liquid device.
9. spray column static dusting desulfurization and denitration device as claimed in claim 8 is characterized in that the outlet conduit of the fluid reservoir of described spray column connects the water supply line of described nozzle.
10. spray column static dusting desulfurization and denitration device as claimed in claim 9, the quantity that it is characterized in that described sieve plate is one deck or two-layer, evenly distribute on the cross section in described nozzle space in tower, described gas-liquid separation device is made of some flaps, the delivery port of described spray column is positioned at a side of sieve plate bottom tower body, and described spray column bottom center is provided with sewage draining exit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007103046007A CN101468280A (en) | 2007-12-28 | 2007-12-28 | Spray tower and electrostatic dust-removing, desulfurizing and denitrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007103046007A CN101468280A (en) | 2007-12-28 | 2007-12-28 | Spray tower and electrostatic dust-removing, desulfurizing and denitrating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101468280A true CN101468280A (en) | 2009-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007103046007A Pending CN101468280A (en) | 2007-12-28 | 2007-12-28 | Spray tower and electrostatic dust-removing, desulfurizing and denitrating device |
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| CN (1) | CN101468280A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103908848A (en) * | 2014-03-31 | 2014-07-09 | 成都易态科技有限公司 | Gas dedusting and purifying method and system |
| CN103990632A (en) * | 2014-05-07 | 2014-08-20 | 杭州玺清环保科技有限公司 | Sealing and thermal insulating device |
| CN108905407A (en) * | 2018-06-06 | 2018-11-30 | 郭世宏 | The method that compound flue gas desulfurization and denitrification takes off white minimum discharge processing |
| CN109847937A (en) * | 2019-03-04 | 2019-06-07 | 佛山华碳环境科技有限公司 | A kind of electric precipitation defogging method |
| CN110115916A (en) * | 2019-01-30 | 2019-08-13 | 浙江大维高新技术股份有限公司 | The tapping equipment and technique of gas boiler flue gas |
-
2007
- 2007-12-28 CN CNA2007103046007A patent/CN101468280A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103908848A (en) * | 2014-03-31 | 2014-07-09 | 成都易态科技有限公司 | Gas dedusting and purifying method and system |
| CN103908848B (en) * | 2014-03-31 | 2015-10-07 | 成都易态科技有限公司 | Dedusting purification method and system |
| CN103990632A (en) * | 2014-05-07 | 2014-08-20 | 杭州玺清环保科技有限公司 | Sealing and thermal insulating device |
| CN108905407A (en) * | 2018-06-06 | 2018-11-30 | 郭世宏 | The method that compound flue gas desulfurization and denitrification takes off white minimum discharge processing |
| CN110115916A (en) * | 2019-01-30 | 2019-08-13 | 浙江大维高新技术股份有限公司 | The tapping equipment and technique of gas boiler flue gas |
| CN109847937A (en) * | 2019-03-04 | 2019-06-07 | 佛山华碳环境科技有限公司 | A kind of electric precipitation defogging method |
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Open date: 20090701 |