CN111514731A - Clean discharge system of SOx/NOx control of low temperature waste gas - Google Patents
Clean discharge system of SOx/NOx control of low temperature waste gas Download PDFInfo
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- CN111514731A CN111514731A CN202010337785.7A CN202010337785A CN111514731A CN 111514731 A CN111514731 A CN 111514731A CN 202010337785 A CN202010337785 A CN 202010337785A CN 111514731 A CN111514731 A CN 111514731A
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- waste gas
- desulfurization
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
Abstract
The embodiment of the invention discloses a desulfurization and denitrification clean discharge system of low-temperature waste gas, which comprises a heat exchange mechanism, a desulfurization tower mechanism, a reaction liquid circulating device, a heating device, a denitrification device and a chimney which are sequentially connected through a pipeline, wherein a circulating waste gas frame, a waste gas guide ring, a spraying device, a demister and an air exhaust mechanism are sequentially arranged in the desulfurization tower mechanism from bottom to top, waste gas is discharged into the desulfurization tower mechanism through the waste gas guide ring, the waste gas is desulfurized through spraying reaction liquid by the spraying device, the input waste gas is guided to be spirally sprayed by the waste gas guide ring arranged in the desulfurization tower, and along with the increase of the pressure in the desulfurization tower mechanism, cyclone formed by the waste gas continuously moves towards an upper output port, and the spiral waste gas cyclone can drive atomized reaction liquid sprayed by the spraying device to move along the cyclone direction, thereby prolonging the contact time of the reaction liquid and the waste gas and improving the desulfurization effect of the waste gas.
Description
Technical Field
The embodiment of the invention relates to the technical field of waste gas treatment, in particular to a desulfurization and denitrification clean discharge system for low-temperature waste gas.
Background
Along with the continuous aggravation of air pollution, the desulfurization and denitration technology is increasingly paid attention to by various countries, the flue gas desulfurization and denitration technology is a boiler flue gas purification technology applied to the chemical industry of generating multi-nitrogen oxides and sulfur oxides, the existing flue gas desulfurization and denitration technology mostly adopts the process of firstly desulfurizing and then denitrating, and the waste gas after desulfurization and denitration is discharged to the high altitude through a chimney.
In the prior art, a conventional desulfurization device is a desulfurization tower, low-temperature waste gas is input from the bottom end of the desulfurization tower, a spraying device is arranged at the middle section of the desulfurization tower to atomize desulfurization reaction liquid, and the desulfurization is carried out by contacting with the atomized desulfurization reaction liquid in the process of rising the waste gas.
However, the following problems still exist in the existing desulfurizing tower technology:
(1) the waste gas rises in a natural diffusion mode in the rising process, the atomized reaction liquid falls freely under the action of gravity, and the waste gas and the atomized reaction liquid are in a straight-up and straight-down mode, so that the reaction efficiency of the waste gas and the atomized reaction liquid is not ideal;
(2) because the atomizing reaction liquid that sprays in the desulfurizing tower need be full of the space of the low section in the desulfurizing tower, and the waste gas flow of inputing the desulfurizing tower need match with the low section volume in the desulfurizing tower, when the desulfurization rate does not reach standard, need the increase to spray the flow of reaction liquid, easily cause the reaction liquid to waste in a large number.
Disclosure of Invention
Therefore, the embodiment of the invention provides a desulfurization and denitrification clean discharge system for low-temperature waste gas, which aims to solve the problem that the reaction efficiency of the waste gas in a desulfurization tower and a desulfurization reaction liquid is not ideal in the prior art.
In order to achieve the above object, an embodiment of the present invention provides the following:
the utility model provides a clean discharge system of SOx/NOx control of low temperature waste gas, includes heat exchange mechanism, desulfurizing tower mechanism, reaction liquid circulating device, heating device, denitrification facility and the chimney that connects gradually through the pipeline, the inside of desulfurizing tower mechanism is supreme from bottom to be equipped with circulation exhaust frame, waste gas guide ring, spray set, defroster and the mechanism of bleeding in proper order, through waste gas guide ring is to exhaust waste gas in the desulfurizing tower mechanism, and pass through spray set sprays the reaction liquid and desulfurates to waste gas.
As a preferable scheme of the present invention, an exhaust fan is arranged inside the heat exchange mechanism, a closed space capable of dissipating heat from low-temperature exhaust gas is arranged inside the exhaust fan, an input end of the closed space is connected to a low-temperature exhaust gas conveying pipeline, an output end of the closed space is connected to the exhaust gas guide ring through a pipeline, a finned heat dissipation pipe connected to the air exhaust mechanism through a pipeline is arranged on the heat exchange mechanism, and an output end of the finned heat dissipation pipe is communicated to the exhaust fan inside the heat exchange mechanism.
As a preferable scheme of the present invention, the waste gas guide ring is of an annular structure with a hollow interior, and a plurality of guide nozzles for exhausting are disposed inside the waste gas guide ring, and the low-temperature waste gas inside the waste gas guide ring is spirally sprayed toward the center through the plurality of guide nozzles, and continuously moves toward the upper output port as the pressure inside the desulfurization tower mechanism increases.
As a preferable scheme of the invention, the spraying device is connected with an external reaction liquid conveying mechanism through a pipeline, a plurality of downward atomizers are installed on the spraying device, the spraying device can completely cover the cross section area of the desulfurizing tower mechanism by spraying the reaction liquid through the atomizers, and the waste gas guide ring can drive the spraying device to spray the atomized reaction liquid to move along the rotation direction of the low-temperature waste gas.
As a preferred scheme of the invention, the desulfurization rate of the waste gas after desulfurization by atomized reaction liquid is divided into two conditions of standard desulfurization rate and substandard desulfurization rate, different method pairs are used according to different conditions, and the method comprises the following specific steps:
step 100, after the waste gas reacts with the atomized reaction liquid, the waste gas rises to a demister along with the desulfurized waste gas, and the desulfurized waste gas is adsorbed by the atomized reaction liquid carried by the demister, so that a large amount of reaction liquid is adsorbed by the demister after the waste gas passes through the demister until the reaction liquid falls back to the inside of the desulfurization tower mechanism, and the desulfurized waste gas passing through the demister can be detected by a detector arranged above the demister;
200, when the desulfurization amount of the waste gas reaches a set standard, transmitting all the desulfurization waste gas to a heating device through an outlet at the top end of a desulfurization tower, heating the desulfurization waste gas by the heating device, transmitting the heated desulfurization waste gas to a denitration device for denitration treatment, and discharging the heated desulfurization waste gas through a chimney;
and 300, when the desulfurization amount of the waste gas does not reach a set standard, reducing the input amount of the low-temperature waste gas, starting an exhaust fan of the heat exchange mechanism to suck a part of the desulfurization waste gas into the closed space to form circulating waste gas, heating the circulating waste gas by the heat emitted by the finned radiating pipe after the circulating waste gas enters the finned radiating pipe, and then conveying the circulating waste gas to the inside of the desulfurizing tower mechanism again through a circulating waste gas frame to perform sufficient circulating reaction.
As a preferable scheme of the present invention, a mounting pipe for connecting a low-temperature exhaust gas pipeline is disposed at the center of the circulating exhaust gas frame, six groups of air diffusing pipes communicated with the mounting pipe and extending to the inner wall of the circulating exhaust gas frame are disposed outside the mounting pipe, and the low-temperature exhaust gas in the mounting pipe is dispersed and discharged through the air diffusing pipes at the bottom ends of the six groups of air diffusing pipes after being transmitted to the six groups of air diffusing pipes.
As a preferred scheme of the present invention, the air exhaust mechanism includes a connecting pipe connected to the exhaust fan through a pipeline, the connecting pipe is located on a central axis inside the desulfurization tower mechanism, and two sides of the connecting pipe are provided with a plurality of groups of air exhaust pipes extending to an inner wall of the desulfurization tower mechanism, and two sides of the air exhaust pipes are provided with air holes for sucking exhaust gas.
As a preferable scheme of the present invention, after the closed space is communicated with the low-temperature exhaust gas, the low-temperature exhaust gas is radiated through the closed space, and at the same time, the finned radiating pipe sucks the circulating exhaust gas and discharges the circulating exhaust gas into the exhaust fan, and then the circulating exhaust gas can be heated through the closed space, so that the temperature of the low-temperature exhaust gas is reduced, and the circulating exhaust gas is heated by the low-temperature exhaust gas.
As a preferable mode of the present invention, in step 300, the specific manner of inputting the circulating exhaust gas into the desulfurizing tower mechanism is as follows:
301, conveying circulating waste gas into the installation pipe in the middle of the circulating waste gas rack through a pipeline, and downwards and uniformly spraying the circulating waste gas through six groups of air diffusion pipes uniformly distributed on the outer side of the installation pipe;
and 302, enabling the bottom end of the air diffusion pipe to be a strip-shaped air groove, enabling circulating waste gas to be sprayed out of the air diffusion pipe and then distributed in the desulfurizing tower mechanism quickly and uniformly, enabling the circulating waste gas to be fully mixed with spiral low-temperature waste gas quickly and quickly in the waste gas guide ring along with the rising of the circulating waste gas, and enabling the circulating waste gas to be subjected to desulfurization reaction with atomized reaction liquid again.
The embodiment of the invention has the following advantages:
according to the invention, the waste gas guide ring arranged in the desulfurization tower is used for guiding the input waste gas to be spirally sprayed, and along with the increase of the internal pressure of the desulfurization tower mechanism, the cyclone formed by the waste gas continuously moves towards the upper output port, and the spiral waste gas cyclone can drive the atomized reaction liquid sprayed by the spraying device to move along the cyclone direction, so that the contact time of the reaction liquid and the waste gas is prolonged, and the desulfurization effect of the waste gas is improved;
in addition, when the waste gas desulfurization effect of the primary desulfurization does not reach the ideal state, the heat exchange mechanism is arranged on the desulfurizing tower mechanism, so that a part of desulfurized waste gas can be sucked and flows back to the desulfurizing tower for secondary desulfurization, and the input amount of the waste gas is reduced a little without increasing the flow rate of the reaction liquid.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
FIG. 1 is a schematic view of an overall connection in an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a desulfurization tower in an embodiment of the present invention;
FIG. 3 is a schematic structural view of a heat exchange mechanism according to an embodiment of the present invention;
FIG. 4 is a top view of an exhaust guide ring according to an embodiment of the present invention;
FIG. 5 is a bottom view of a circulating exhaust frame according to an embodiment of the present invention;
figure 6 is a top view of a pumping mechanism in an embodiment of the present invention.
In the figure: 1. a heat exchange mechanism; 2. a desulfurizing tower mechanism; 3. a circulating exhaust gas rack; 4. an exhaust gas guide ring; 5. a spraying device; 6. a demister; 7. an air extraction mechanism;
101. an exhaust fan; 102. sealing the space; 103. a finned radiating pipe;
301. installing a pipe; 302. an air diffusing pipe;
701. a connecting pipe; 702. and an air exhaust pipe.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 and 2, the present invention provides a clean emission system for desulfurization and denitration of low-temperature exhaust gas, which specifically comprises a heat exchange mechanism 1, a desulfurization tower mechanism 2, a reaction liquid circulation device, a heating device, a denitration device and a chimney, which are sequentially connected through a pipeline, wherein a circulating exhaust gas frame 3, an exhaust gas guide ring 4, a spray device 5, a demister 6 and an air extraction mechanism 7 are sequentially arranged inside the desulfurization tower mechanism 2 from bottom to top, the exhaust gas is discharged into the desulfurization tower mechanism 2 through the exhaust gas guide ring 4, and the reaction liquid is sprayed through the spray device 5 to desulfurize the exhaust gas.
Spray set 5 is connected with external transport reaction liquid conveying mechanism through the pipeline to install the atomizer of a plurality of orientation below on spray set 5, spray set 5 sprays the cross section region that reaction liquid can cover desulfurizing tower mechanism 2 completely through a plurality of atomizer, and waste gas guide ring 4 can drive spray set 5 and spray the reaction liquid and follow low temperature waste gas direction of rotation and remove.
As shown in fig. 3, an exhaust fan 101 is arranged inside the heat exchange mechanism 1, and a closed space 102 capable of dissipating heat of low-temperature waste gas is arranged in the exhaust fan 101, an input end of the closed space 102 is connected with a low-temperature waste gas conveying pipeline, an output end of the closed space 102 is connected with the waste gas guide ring 4 through a pipeline, a finned heat pipe 103 connected with the exhaust mechanism 7 through a pipeline is arranged on the heat exchange mechanism 1, and an output end of the finned heat pipe 103 is communicated to the exhaust fan 101 inside the heat exchange mechanism 1.
After the closed space 102 is communicated with the low-temperature waste gas, the low-temperature waste gas is radiated through the closed space 102, meanwhile, the fin radiating pipe 103 sucks the circulating waste gas and discharges the circulating waste gas into the exhaust fan 101, then the circulating waste gas can be heated through the closed space 102, the low-temperature waste gas is cooled by the circulating waste gas, and meanwhile, the circulating waste gas is heated by the low-temperature waste gas.
As shown in fig. 4, the exhaust gas guide ring 4 is a hollow ring structure, and the inner side of the exhaust gas guide ring 4 is provided with a plurality of guide nozzles for exhausting, and the low-temperature exhaust gas inside the exhaust gas guide ring 4 is spirally sprayed to the center through the plurality of guide nozzles, and the exhaust gas continuously moves to the upper output port along with the increase of the pressure inside the desulfurizing tower mechanism 2.
As shown in fig. 5, a mounting pipe 301 for connecting a low-temperature exhaust gas pipeline is disposed at the center of the circulating exhaust gas frame 3, six groups of air diffusing pipes 302 communicated with the mounting pipe 301 and extending to the inner wall of the circulating exhaust gas frame 3 are disposed outside the mounting pipe 301, and the low-temperature exhaust gas in the mounting pipe 301 is transmitted to the six groups of air diffusing pipes 302 and then is dispersedly discharged through the air diffusing pipes 302 at the bottom end thereof.
As shown in fig. 6, the air exhaust mechanism 7 includes a connecting pipe 701 connected with the exhaust fan 101 through a pipe, the connecting pipe 701 is located on the central axis inside the desulfurization tower mechanism 2, and a plurality of groups of air exhaust pipes 702 extending to the inner wall of the desulfurization tower mechanism 2 are disposed on both sides of the connecting pipe 701, and air holes for sucking the exhaust gas are disposed on both sides of the air exhaust pipes 702.
After the waste gas is desulfurized by the atomized reaction liquid, the waste gas is divided into two conditions of standard desulfurization rate and substandard desulfurization rate, different methods are used according to different conditions, and the method comprises the following specific steps:
step 100, after the waste gas reacts with the atomized reaction liquid, the waste gas rises to a demister along with the desulfurized waste gas, and the desulfurized waste gas is adsorbed by the atomized reaction liquid carried by the demister, so that a large amount of reaction liquid is adsorbed by the demister after the waste gas passes through the demister until the reaction liquid falls back to the inside of the desulfurizing tower mechanism 2, and the desulfurized waste gas passing through the demister can be detected by a detector arranged above the demister;
200, when the desulfurization amount of the waste gas reaches a set standard, transmitting all the desulfurization waste gas to a heating device through an outlet at the top end of a desulfurization tower, heating the desulfurization waste gas by the heating device, transmitting the heated desulfurization waste gas to a denitration device for denitration treatment, and discharging the heated desulfurization waste gas through a chimney;
step 300, when the desulfurization amount of the waste gas does not reach the set standard, the input amount of the low-temperature waste gas needs to be reduced, an exhaust fan of the heat exchange mechanism is started to suck a part of the desulfurization waste gas into the closed space to form circulating waste gas, the circulating waste gas enters the finned radiating pipe and is heated by the heat emitted by the finned radiating pipe, and then the circulating waste gas is conveyed to the inside of the desulfurizing tower mechanism 2 again through the circulating waste gas frame to perform sufficient circulating reaction.
In step 300, the specific way of inputting the circulating exhaust gas into the desulfurizing tower mechanism is as follows:
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (9)
1. The utility model provides a clean discharge system of SOx/NOx control of low temperature waste gas, includes heat exchange mechanism (1), desulfurizing tower mechanism (2), reaction liquid circulating device, heating device, denitrification facility and chimney that connect gradually through the pipeline, its characterized in that: inside of desulfurizing tower mechanism (2) is equipped with circulation exhaust frame (3), waste gas guide ring (4), spray set (5), defroster (6) and air exhaust mechanism (7) from supreme down in proper order, through waste gas guide ring (4) to exhaust into waste gas in desulfurizing tower mechanism (2), and pass through spray set (5) spray reaction liquid and to the desulfurization of waste gas.
2. The system for desulfurization, denitrification and clean emission of low-temperature exhaust gas as claimed in claim 1, wherein an exhaust fan (101) is disposed inside the heat exchange mechanism (1), and a closed space (102) capable of dissipating heat from the low-temperature exhaust gas is disposed inside the exhaust fan (101), an input end of the closed space (102) is connected to a low-temperature exhaust gas delivery pipeline, an output end of the closed space (102) is connected to the exhaust gas guide ring (4) through a pipeline, a finned heat dissipation pipe (103) connected to the exhaust mechanism (7) through a pipeline is disposed on the heat exchange mechanism (1), and an output end of the finned heat dissipation pipe (103) is communicated to the exhaust fan (101) inside the heat exchange mechanism (1).
3. The system for desulfurization, denitrification and clean emission of low-temperature exhaust gas as claimed in claim 1, wherein the exhaust gas guide ring (4) is a hollow ring structure, and the inner side of the exhaust gas guide ring (4) is provided with a plurality of guide nozzles for exhaust, the low-temperature exhaust gas inside the exhaust gas guide ring (4) is spirally injected to the center through the plurality of guide nozzles, and the exhaust gas continuously moves to the upper output port as the pressure inside the desulfurizing tower mechanism (2) increases.
4. The system for desulfurization, denitrification and clean emission of low-temperature exhaust gas as claimed in claim 1, wherein the spraying device (5) is connected with an external reaction liquid conveying mechanism through a pipeline, and a plurality of downward atomizers are installed on the spraying device (5), the spraying device (5) can completely cover the cross-sectional area of the desulfurization tower mechanism (2) by spraying the reaction liquid through the atomizers, and the exhaust gas guide ring (4) can drive the spraying device (5) to spray the atomized reaction liquid to move along with the rotation direction of the low-temperature exhaust gas.
5. The clean exhaust system for desulfurization and denitrification of low-temperature exhaust gas according to any one of claims 1 to 4, wherein the desulfurization rate of the exhaust gas after desulfurization by the atomized reaction solution is classified into two cases of standard desulfurization rate and substandard desulfurization rate, and different method pairs are used according to different cases, and the specific steps are as follows:
step 100, after the waste gas reacts with the atomized reaction liquid, the waste gas rises to a demister along with the desulfurized waste gas, and the desulfurized waste gas is adsorbed by the atomized reaction liquid carried by the demister, so that a large amount of reaction liquid is adsorbed by the demister after the waste gas passes through the demister until the reaction liquid falls back to the inside of the desulfurizing tower mechanism (2), and the desulfurized waste gas passing through the demister can be detected by a detector arranged above the demister;
200, when the desulfurization amount of the waste gas reaches a set standard, transmitting all the desulfurization waste gas to a heating device through an outlet at the top end of a desulfurization tower, heating the desulfurization waste gas by the heating device, transmitting the heated desulfurization waste gas to a denitration device for denitration treatment, and discharging the heated desulfurization waste gas through a chimney;
and 300, when the desulfurization amount of the waste gas does not reach a set standard, reducing the input amount of the low-temperature waste gas, starting an exhaust fan of the heat exchange mechanism to suck a part of the desulfurization waste gas into the closed space to form circulating waste gas, heating the circulating waste gas by the heat emitted by the finned heat-radiating pipe after the circulating waste gas enters the finned heat-radiating pipe, and then conveying the circulating waste gas to the inside of the desulfurizing tower mechanism (2) again through a circulating waste gas frame to perform sufficient circulating reaction.
6. The system for desulfurization, denitrification and clean emission of low-temperature exhaust gas as claimed in claim 1, wherein the center of the circulating exhaust gas frame (3) is provided with an installation pipe (301) for connecting with a low-temperature exhaust gas pipeline, and six groups of air diffusion pipes (302) communicated with the installation pipe (301) and extending to the inner wall of the circulating exhaust gas frame (3) are arranged outside the installation pipe (301), and the low-temperature exhaust gas in the installation pipe (301) is transmitted to the six groups of air diffusion pipes (302) and then is discharged dispersedly through the air diffusion pipes (302) at the bottom end of the air diffusion pipes.
7. The system for desulfurization, denitrification and clean emission of low-temperature exhaust gas as claimed in claim 1, wherein said air exhaust mechanism (7) comprises a connecting pipe (701) connected with said exhaust fan (101) through a pipeline, said connecting pipe (701) is located on the central axis of the inside of said desulfurization tower mechanism (2) (701), and said connecting pipe (701) is provided at two sides thereof with a plurality of groups of air exhaust pipes (702) extending to the inner wall of said desulfurization tower mechanism (2), and said air exhaust pipes (702) are provided at two sides thereof with air holes for sucking exhaust gas.
8. The system for desulfurization, denitrification and clean emission of low-temperature exhaust gas as claimed in claim 1, wherein the low-temperature exhaust gas is radiated through the enclosed space (102) after the enclosed space (102) is communicated with the low-temperature exhaust gas, and the finned radiating pipe (103) sucks the circulating exhaust gas and discharges the circulating exhaust gas into the exhaust fan (101) to be heated through the enclosed space (102), so that the low-temperature exhaust gas is cooled by the circulating exhaust gas, and the circulating exhaust gas is heated by the low-temperature exhaust gas.
9. The clean exhaust system for desulfurization and denitrification according to any one of claims 5-8, wherein in step 300, the circulating exhaust gas is fed into the desulfurization tower mechanism in a specific manner as follows:
301, conveying the circulating exhaust gas into the installation pipe (301) in the middle of the circulating exhaust gas frame (3) through a pipeline, and downwards and uniformly spraying the circulating exhaust gas through six groups of air diffusion pipes (302) uniformly distributed on the outer side of the installation pipe (301);
step 302, the bottom end of the gas diffusion pipe (302) is a strip-shaped gas groove, so that the circulating waste gas is sprayed out of the gas diffusion pipe (302), can be rapidly and uniformly distributed in the desulfurizing tower mechanism (2), can be rapidly and sufficiently mixed with spiral low-temperature waste gas along with the rising of the circulating waste gas in the waste gas guide ring (4), and can be subjected to desulfurization reaction with the atomized reaction liquid again.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010337785.7A CN111514731B (en) | 2020-04-26 | 2020-04-26 | Clean discharge system of SOx/NOx control of low temperature waste gas |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010337785.7A CN111514731B (en) | 2020-04-26 | 2020-04-26 | Clean discharge system of SOx/NOx control of low temperature waste gas |
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| CN111514731B CN111514731B (en) | 2021-09-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113374331A (en) * | 2021-06-18 | 2021-09-10 | 江苏新大高空工程有限公司 | Chimney with SOx/NOx control function |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204710096U (en) * | 2015-05-04 | 2015-10-21 | 中起重工（大连）有限公司 | A kind of spray type desulfurization absorption tower |
| CN104984646A (en) * | 2015-04-24 | 2015-10-21 | 武金玉 | Desulfurization tower flue gas nozzle and desulfurization apparatus |
| CN205145962U (en) * | 2015-11-11 | 2016-04-13 | 北京博奇电力科技有限公司 | System is used multipurposely to thermal power plant's desulfurizing tower waste heat |
| CN207980850U (en) * | 2017-12-08 | 2018-10-19 | 江西自立环保科技有限公司 | A kind of anode furnace smoke treatment system with flue gas on-line checking |
| CN209696659U (en) * | 2019-02-26 | 2019-11-29 | 北京皓天百能环保工程有限公司 | A kind of high dirt sintering flue gas desulfurization denitrification apparatus |
| CN209968042U (en) * | 2019-01-09 | 2020-01-21 | 苏州益信尔环保科技有限公司 | Flue gas purification tower of straw treatment plant |
-
2020
- 2020-04-26 CN CN202010337785.7A patent/CN111514731B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104984646A (en) * | 2015-04-24 | 2015-10-21 | 武金玉 | Desulfurization tower flue gas nozzle and desulfurization apparatus |
| CN204710096U (en) * | 2015-05-04 | 2015-10-21 | 中起重工（大连）有限公司 | A kind of spray type desulfurization absorption tower |
| CN205145962U (en) * | 2015-11-11 | 2016-04-13 | 北京博奇电力科技有限公司 | System is used multipurposely to thermal power plant's desulfurizing tower waste heat |
| CN207980850U (en) * | 2017-12-08 | 2018-10-19 | 江西自立环保科技有限公司 | A kind of anode furnace smoke treatment system with flue gas on-line checking |
| CN209968042U (en) * | 2019-01-09 | 2020-01-21 | 苏州益信尔环保科技有限公司 | Flue gas purification tower of straw treatment plant |
| CN209696659U (en) * | 2019-02-26 | 2019-11-29 | 北京皓天百能环保工程有限公司 | A kind of high dirt sintering flue gas desulfurization denitrification apparatus |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113374331A (en) * | 2021-06-18 | 2021-09-10 | 江苏新大高空工程有限公司 | Chimney with SOx/NOx control function |
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| CN111514731B (en) | 2021-09-17 |
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