CN114768526A - Two-channel NO2 catalytic reduction NO high-temperature converter - Google Patents
Two-channel NO2 catalytic reduction NO high-temperature converter Download PDFInfo
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- CN114768526A CN114768526A CN202210494347.0A CN202210494347A CN114768526A CN 114768526 A CN114768526 A CN 114768526A CN 202210494347 A CN202210494347 A CN 202210494347A CN 114768526 A CN114768526 A CN 114768526A
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- catalytic
- pipe
- tube
- storage tank
- nitrogen dioxide
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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
- B01D53/86—Catalytic processes
- B01D53/8621—Removing nitrogen compounds
- B01D53/8625—Nitrogen oxides
- B01D53/8631—Processes characterised by a specific device
Abstract
The invention relates to the technical field of high-temperature converters, in particular to a two-channel NO2 catalytic reduction NO high-temperature converter which comprises a catalytic tube, wherein a support plate is arranged on one side of the catalytic tube, a steel tube frame is arranged at the top end of the support plate, a nitrogen dioxide storage tank and a catalytic gas storage tank are respectively arranged in the steel tube frame and at the top part of the steel tube frame, the top ends of one sides of the nitrogen dioxide storage tank and the catalytic gas storage tank are respectively communicated with a first conveying pipe and a second conveying pipe, and one ends of the first conveying pipe and the second conveying pipe extend into the catalytic tube; the outside cover of catalysis pipe is equipped with the heating member. The motor drives the discharge pipe to rotate in the catalytic pipe through the transmission assembly, and the introduced nitrogen dioxide is discharged from the dispersion holes and then generates impact with catalytic gas of the catalytic pipe, so that the effect of fully mixing the nitrogen dioxide and the catalytic gas is achieved; whether reduction in the catalytic tube is finished or not is sensed and induced by the nitrogen dioxide, and if the reduction is finished, an alarm lamp is triggered to prompt so that a user can carry out the next operation.
Description
Technical Field
The invention relates to the technical field of high-temperature converters, in particular to a two-channel NO2 catalytic reduction NO high-temperature converter.
Background
Nitrogen dioxide, chemical formula NO2, a reddish brown gas. Nitrogen dioxide and dinitrogen tetroxide coexist by mixing at normal temperature (0-21.5 ℃); nitric oxide, chemical formula NO, molecular weight 30.01, is an oxynitride, nitrogen valence +2 is a colorless, odorless gas that is poorly soluble in water; nitrogen dioxide can cause harm to human bodies, mainly means that after inhalation, respiratory tracts can be stimulated to cause symptoms of dry cough or pharyngeal discomfort, so that toxic nitrogen dioxide needs to be reduced into relatively relieved nitric oxide by means of a high-temperature converter; nitric oxide is much less harmful to the human body than nitrogen dioxide, but is still strongly corrosive.
At present, although the high-temperature converter capable of achieving the effects is available, the high-temperature converter has the defects that catalytic gas and nitrogen dioxide are difficult to be fully fused during reduction; lack of reminder function after reduction to nitric oxide; and the impeller and the motor of the drainage device can be corroded when the device is used for leading out nitric oxide for a long time, so that the drainage device needs to be replaced frequently, and the catalytic reduction cost is increased. We have therefore improved this by providing a two-channel NO2 catalytic reduction NO high temperature converter.
Disclosure of Invention
The invention provides a two-channel NO2 catalytic reduction NO high-temperature converter, which comprises a catalytic tube, wherein a support plate is arranged on one side of the catalytic tube, a steel tube frame is arranged at the top end of the support plate, a nitrogen dioxide storage tank and a catalytic gas storage tank are respectively arranged in the steel tube frame and at the top part of the steel tube frame, the top ends of one sides of the nitrogen dioxide storage tank and the catalytic gas storage tank are respectively communicated with a first conveying pipe and a second conveying pipe, and one ends of the first conveying pipe and the second conveying pipe extend into the catalytic tube; a heating element is sleeved outside the catalytic tube; one end of the second conveying pipe is also positioned inside the catalytic pipe and is rotatably connected with a discharge pipe, one end of the discharge pipe, which extends out of the catalytic pipe, is connected with a transmission assembly, and the transmission assembly is connected with a motor; one end of the catalytic tube is communicated with a leading-in tube, the middle of the leading-in tube is provided with a drainage device, and one end of the leading-in tube is communicated with a nitric oxide storage tank.
As a preferable technical scheme of the invention, two ends of the catalytic tube are fixedly sleeved with circular rings, the bottoms of the two circular rings are connected with two supporting rods, and the bottom ends of the four supporting rods are connected with a bottom plate together.
As a preferable technical scheme of the invention, the top parts of the nitrogen dioxide storage tank and the catalytic gas storage tank are both provided with injection pipes, and one ends of the two injection pipes can be detachably provided with plugging parts.
As a preferred technical scheme of the present invention, the first delivery pipe and the second delivery pipe are both provided with a first electric valve and a second electric valve, one side of the steel pipe frame is provided with a control box, and the first electric valve and the second electric valve are both electrically connected with the control box.
As a preferable technical solution of the present invention, the bottom plate is provided with an electromagnetic heating device, the heating member is composed of a plurality of metal pipes wound in a circular shape, and both ends of the heating member are connected with the electromagnetic heating device.
As a preferred technical scheme of the invention, the transmission assembly comprises a driven wheel, a driving wheel and a synchronous belt, the synchronous belt is sleeved outside the driven wheel and the driving wheel, the driven wheel is fixedly connected with one end of a discharge pipe, the discharge pipe penetrates through one end of a catalytic tube and is fixedly sleeved with a mechanical sealing element, dispersion holes are formed in the outer part of the discharge pipe at equal intervals, the driving wheel is fixedly connected with an output shaft of a motor, the motor is fixedly connected with one side of the catalytic tube, and the motor is electrically connected with a control box.
As a preferable technical scheme of the invention, one end of the top of the catalytic tube is provided with a nitrogen dioxide sensor, a probe of the nitrogen dioxide sensor extends into the catalytic tube, the top of one of the rings is provided with an alarm lamp, and the nitrogen dioxide sensor is respectively electrically connected with the control box and the alarm lamp.
As a preferred technical scheme of the invention, the drainage device comprises a shell, an impeller and a rocker, wherein the impeller is rotatably arranged in the shell, the rocker is detachably mounted on one side of the shell, one end of the rocker extends into the shell and is fixedly connected with the impeller, the interior of an internal guide pipe of the shell is communicated, and one end of the guide pipe is in threaded connection with an input port at the top of the nitric oxide storage tank.
The invention has the beneficial effects that: the two-channel NO2 catalytic reduction NO high temperature converter.
Firstly, a motor drives a discharge pipe to rotate in a catalytic pipe through a transmission assembly, and introduced nitrogen dioxide is discharged from a dispersion hole and then generates impact with catalytic gas of the catalytic pipe, so that the effect of fully mixing the nitrogen dioxide and the catalytic gas is achieved;
sensing whether the reduction in the catalytic tube is finished or not by using nitrogen dioxide, and triggering an alarm lamp to prompt if the reduction is finished so as to enable a user to perform the next operation;
the drainage device is driven manually, the catalytic cost is further reduced, the motor and the impeller are corroded during drainage, the impeller of the device can be easily disassembled from the shell for replacement after being corroded seriously, and the operation is convenient and practical.
Drawings
The accompanying drawings, which are included to provide a further understanding 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 the principles of the invention and not to limit the invention.
In the drawings:
FIG. 1 is a schematic diagram of a two-channel NO2 catalytic reduction NO high temperature converter of the present invention;
FIG. 2 is a schematic diagram of the delivery portion of a two-pass NO2 catalytic reduction NO high temperature converter of the present invention;
FIG. 3 is a schematic diagram of the exhaust pipe and drive assembly of a two-channel NO2 catalytic reduction NO high temperature converter of the present invention;
FIG. 4 is a schematic diagram of a sensing and prompting structure of a two-channel NO2 catalytic reduction NO high-temperature converter according to the invention;
fig. 5 is a schematic diagram of the structure of the two-channel NO2 catalytic reduction NO high temperature converter leading to the nitric oxide storage tank according to the present invention.
In the figure: 1. a catalytic tube; 2. a support plate; 3. a steel pipe frame; 4. a nitrogen dioxide storage tank; 5. a catalytic gas storage tank; 6. a first conveying pipe; 7. a second conveying pipe; 8. a discharge pipe; 9. a transmission assembly; 91. a driven wheel; 92. a driving wheel; 93. a synchronous belt; 10. a motor; 11. a heating element; 12. an introducing pipe; 13. a drainage device; 131. a housing; 132. an impeller; 133. a rocker; 14. a nitric oxide storage tank; 15. a strut; 16. a base plate; 17. a first electric valve; 18. an electric valve II; 19. a control box; 20. an electromagnetic heating device; 21. a dispersion hole; 22. a nitrogen dioxide sensor; 23. an alarm lamp.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example (b): as shown in fig. 1 and 2, the two-channel NO2 catalytic reduction NO high-temperature converter comprises a catalytic tube 1, a support plate 2 is arranged on one side of the catalytic tube 1, a steel tube frame 3 is arranged at the top end of the support plate 2, a nitrogen dioxide storage tank 4 and a catalytic gas storage tank 5 are respectively arranged inside and at the top of the steel tube frame 3, a first delivery pipe 6 and a second delivery pipe 7 are respectively communicated with the top ends of the nitrogen dioxide storage tank 4 and the catalytic gas storage tank 5, and one end of the first delivery pipe 6 and one end of the second delivery pipe 7 extend into the catalytic tube 1; the outer part of the catalyst tube 1 is sleeved with a heating member 11.
The two ends of the catalytic tube 1 are fixedly sleeved with circular rings, the bottoms of the two circular rings are connected with two supporting rods 15, and the bottom ends of the four supporting rods 15 are connected with a bottom plate 16; the two rings serve as fixing points, the four support rods 15 serve as supports for the catalytic tube 1, and the bottom plate 16 serves as a fixing function for the four support rods 15, so that the converter is stably placed on the ground or a table top.
The top parts of the nitrogen dioxide storage tank 4 and the catalytic gas storage tank 5 are both provided with injection pipes, and one ends of the two injection pipes can be detachably provided with plugging parts; before the catalysis, the nitrogen dioxide storage tank 4 and the catalytic gas storage tank 5 are filled with gas through filling pipes if the nitrogen dioxide storage tank is short.
The first conveying pipe 6 and the second conveying pipe 7 are both provided with a first electric valve 17 and a second electric valve 18, one side of the steel pipe frame 3 is provided with a control box 19, and the first electric valve 17 and the second electric valve 18 are both electrically connected with the control box 19; the operation of the electric valve I17 and the operation of the electric valve II 18 are respectively controlled by the control box 19, so that the electric valve I17 and the electric valve II 18 do not block the inside of the conveying pipe I6 and the conveying pipe II 7 from being communicated with the inside of the catalytic tube 1, and at the moment, gas in the nitrogen dioxide storage tank 4 and gas in the catalytic gas storage tank 5 can enter the inside of the catalytic tube 1 along the conveying pipe I6 and the conveying pipe II 7.
The embodiment is as follows: as shown in FIG. 3, in the two-channel NO2 catalytic reduction NO high temperature converter, one end of a second conveying pipe 7 is also positioned inside a catalytic pipe 1 and is rotatably connected with a discharge pipe 8, one end of the discharge pipe 8, which extends out of the catalytic pipe 1, is connected with a transmission assembly 9, and the transmission assembly 9 is connected with a motor 10.
The transmission assembly 9 comprises a driven wheel 91, a driving wheel 92 and a synchronous belt 93, the synchronous belt 93 is sleeved outside the driven wheel 91 and the driving wheel 92, the driven wheel 91 is fixedly connected with one end of the discharge pipe 8, the discharge pipe 8 penetrates through one end of the catalytic tube 1 and is fixedly sleeved with a mechanical sealing element, dispersion holes 21 are formed in the outer portion of the discharge pipe 8 at equal intervals, the driving wheel 92 is fixedly connected with an output shaft of the motor 10, the motor 10 is fixedly connected with one side of the catalytic tube 1, and the motor 10 is electrically connected with the control box 19; the motor 10 is started to work through the control box 19, the output shaft of the motor 10 drives the driving wheel 92 to rotate, the driven wheel 91 and the discharge pipe 8 connected to one side are driven to rotate inside the catalytic tube 1 through the synchronous belt 93, catalytic gas enters the discharge pipe 8 along the second conveying pipe 7 and is finally discharged through the dispersing holes 21 formed in the outer portion of the discharge pipe 8, the discharged catalytic gas and nitric oxide gas can be impacted through the rotary discharge pipe 8, full mixing is achieved, and double-channel conveying is achieved.
An electromagnetic heating device 20 is arranged on the bottom plate 16, the heating element 11 is composed of a plurality of metal pipes wound in a circular shape, and two ends of the heating element 11 are connected with the electromagnetic heating device 20; starting the electromagnetic heating device 20 to heat the catalytic tube 1 by the heating element 11, namely starting the high-temperature catalysis of the nitrogen dioxide
The embodiment is as follows: as shown in figures 4 and 5, the two-channel NO2 catalytic reduction NO high-temperature converter comprises a catalytic tube 1, an inlet tube 12 communicated with one end of the catalytic tube, a flow guide device 13 arranged in the middle of the inlet tube 12, and a nitric oxide storage tank 14 communicated with one end of the inlet tube 12.
A nitrogen dioxide sensor 22 is installed at one end of the top of the catalytic tube 1, a probe of the nitrogen dioxide sensor 22 extends into the catalytic tube 1, an alarm lamp 23 is installed at the top of one of the rings, and the nitrogen dioxide sensor 22 is respectively electrically connected with the control box 19 and the alarm lamp 23; after a period of time, the nitrogen dioxide is catalyzed at high temperature and reduced into nitric oxide gas, at this time, a user can only judge how long the nitrogen dioxide is reduced into nitric oxide gas through experience, and the nitrogen dioxide sensor 22 can directly sense the nitrogen dioxide gas and trigger the alarm lamp 23 to work so as to remind the user.
The flow guiding device 13 is composed of a casing 131, an impeller 132 and a rocker 133, the impeller 132 is rotatably arranged in the casing 131, the rocker 133 is detachably mounted on one side of the casing 131, one end of the rocker 133 extends into the casing 131 and is fixedly connected with the impeller 132, the inside of the introducing pipe 12 in the casing 131 is communicated, and one end of the introducing pipe 12 is in threaded connection with an input port at the top of the nitric oxide storage tank 14; the nitrogen monoxide is reduced to nitrogen monoxide and then stays in the catalytic tube 1, at this time, the nitrogen monoxide needs to be drained into the nitrogen monoxide storage tank 14, at this time, the rocker 133 drives the impeller 132 to rotate in the shell 131, and the reduced nitrogen monoxide can be drained into the nitrogen monoxide storage tank 14.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The two-channel NO2 catalytic reduction NO high-temperature converter comprises a catalytic tube (1) and is characterized in that a support plate (2) is arranged on one side of the catalytic tube (1), a steel tube frame (3) is arranged at the top end of the support plate (2), a nitrogen dioxide storage tank (4) and a catalytic gas storage tank (5) are respectively arranged inside and at the top of the steel tube frame (3), the top ends of one sides of the nitrogen dioxide storage tank (4) and the catalytic gas storage tank (5) are respectively communicated with a first conveying pipe (6) and a second conveying pipe (7), and one end of the first conveying pipe (6) and one end of the second conveying pipe (7) extend to the inside of the catalytic tube (1); a heating element (11) is sleeved outside the catalytic tube (1); one end of the second conveying pipe (7) is also positioned inside the catalytic pipe (1) and is rotatably connected with a discharge pipe (8), one end of the discharge pipe (8) extending out of the catalytic pipe (1) is connected with a transmission assembly (9), and the transmission assembly (9) is connected with a motor (10); one end of the catalytic tube (1) is communicated with a leading-in tube (12), the middle part of the leading-in tube (12) is provided with a drainage device (13), and one end of the leading-in tube (12) is communicated with a nitric oxide storage tank (14).
2. The dual-channel NO2 catalytic reduction NO high temperature converter according to claim 1, wherein two ends of the catalytic tube (1) are fixedly sleeved with rings, the bottoms of the two rings are connected with two support rods (15), and the bottom ends of the four support rods (15) are connected with a bottom plate (16) together.
3. The two-channel NO2 catalytic reduction NO high temperature converter according to claim 1, wherein the top of each of the nitrogen dioxide storage tank (4) and the catalytic gas storage tank (5) is provided with an injection pipe, and one end of each of the two injection pipes is detachably provided with a blocking piece.
4. The two-channel NO2 catalytic reduction NO high-temperature converter according to claim 1, wherein the first delivery pipe (6) and the second delivery pipe (7) are both provided with a first electric valve (17) and a second electric valve (18), one side of the steel pipe frame (3) is provided with a control box (19), and the first electric valve (17) and the second electric valve (18) are both electrically connected with the control box (19).
5. The two-channel NO2 catalytic reduction NO high-temperature converter according to claim 1, wherein the base plate (16) is provided with an electromagnetic heating device (20), the heating element (11) is composed of a plurality of metal tubes wound in a circular shape, and both ends of the heating element (11) are connected with the electromagnetic heating device (20).
6. The two-channel NO2 catalytic reduction NO high temperature converter according to claim 4, wherein, the transmission assembly (9) includes from driving wheel (91), drive wheel (92) and hold-in range (93), hold-in range (93) cover is established in the outside from driving wheel (91) and drive wheel (92), from the one end fixed connection of driving wheel (91) and discharge pipe (8), discharge pipe (8) pass the fixed cover in catalysis pipe (1) one end department and are equipped with mechanical seal, dispersion hole (21) have been seted up to the outside equidistance of discharge pipe (8), the output shaft fixed connection of drive wheel (92) and motor (10), one side fixed connection of motor (10) and catalysis pipe (1), motor (10) and control box (19) electric connection.
7. The two-channel NO2 catalytic reduction NO high-temperature converter according to claim 2 or 4, wherein a nitrogen dioxide sensor (22) is mounted at one end of the top of the catalytic tube (1), a probe of the nitrogen dioxide sensor (22) extends to the inside of the catalytic tube (1), a warning lamp (23) is mounted at the top of one of the rings, and the nitrogen dioxide sensor (22) is electrically connected with the control box (19) and the warning lamp (23) respectively.
8. The two-channel NO2 catalytic reduction NO high-temperature converter according to claim 1, wherein the flow guide device (13) comprises a housing (131), an impeller (132) and a rocker (133), the impeller (132) is rotatably disposed inside the housing (131), the rocker (133) is detachably mounted on one side of the housing (131), one end of the rocker (133) extends into the housing (131) and is fixedly connected with the impeller (132), the inside of an inner inlet pipe (12) of the housing (131) is communicated with the inside of the housing, and one end of the inlet pipe (12) is in threaded connection with an input port at the top of the nitric oxide storage tank (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210494347.0A CN114768526A (en) | 2022-05-07 | 2022-05-07 | Two-channel NO2 catalytic reduction NO high-temperature converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210494347.0A CN114768526A (en) | 2022-05-07 | 2022-05-07 | Two-channel NO2 catalytic reduction NO high-temperature converter |
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| Publication Number | Publication Date |
|---|---|
| CN114768526A true CN114768526A (en) | 2022-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210494347.0A Pending CN114768526A (en) | 2022-05-07 | 2022-05-07 | Two-channel NO2 catalytic reduction NO high-temperature converter |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202326291U (en) * | 2011-12-01 | 2012-07-11 | 华中科技大学 | Hand blower |
| EP2514512A1 (en) * | 2011-04-22 | 2012-10-24 | Fukushima Ltd. | Diesel engine exhaust gas purification apparatus |
| CN206121514U (en) * | 2016-08-30 | 2017-04-26 | 深圳市赛宝伦科技有限公司 | NO2 turns into NO's device |
| CN112324540A (en) * | 2020-09-28 | 2021-02-05 | 秦克红 | Cylinder SCR catalytic converter |
| CN214486141U (en) * | 2020-12-10 | 2021-10-26 | 南京舜华环境科技有限公司 | NO2-NO converter with high conversion rate |
| CN216321843U (en) * | 2021-12-01 | 2022-04-19 | 青岛崂山电子仪器总厂有限公司 | Device for converting nitrogen dioxide into nitric oxide |
| CN216367351U (en) * | 2021-10-14 | 2022-04-26 | 成都西南电工集团有限公司 | A exhaust treatment device for enameled wire processing |
-
2022
- 2022-05-07 CN CN202210494347.0A patent/CN114768526A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2514512A1 (en) * | 2011-04-22 | 2012-10-24 | Fukushima Ltd. | Diesel engine exhaust gas purification apparatus |
| CN202326291U (en) * | 2011-12-01 | 2012-07-11 | 华中科技大学 | Hand blower |
| CN206121514U (en) * | 2016-08-30 | 2017-04-26 | 深圳市赛宝伦科技有限公司 | NO2 turns into NO's device |
| CN112324540A (en) * | 2020-09-28 | 2021-02-05 | 秦克红 | Cylinder SCR catalytic converter |
| CN214486141U (en) * | 2020-12-10 | 2021-10-26 | 南京舜华环境科技有限公司 | NO2-NO converter with high conversion rate |
| CN216367351U (en) * | 2021-10-14 | 2022-04-26 | 成都西南电工集团有限公司 | A exhaust treatment device for enameled wire processing |
| CN216321843U (en) * | 2021-12-01 | 2022-04-19 | 青岛崂山电子仪器总厂有限公司 | Device for converting nitrogen dioxide into nitric oxide |
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