CN220657032U - Denitration device capable of precisely spraying and removing nitrogen oxides - Google Patents
Denitration device capable of precisely spraying and removing nitrogen oxides Download PDFInfo
- Publication number
- CN220657032U CN220657032U CN202321903110.XU CN202321903110U CN220657032U CN 220657032 U CN220657032 U CN 220657032U CN 202321903110 U CN202321903110 U CN 202321903110U CN 220657032 U CN220657032 U CN 220657032U
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- nitrogen oxides
- pipe
- spraying
- equipment body
- flange
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- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 title claims abstract description 198
- 238000005507 spraying Methods 0.000 title claims abstract description 29
- 238000001514 detection method Methods 0.000 claims abstract description 23
- 239000007921 spray Substances 0.000 claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 20
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 20
- 239000000779 smoke Substances 0.000 claims description 15
- 238000012546 transfer Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 5
- 238000012806 monitoring device Methods 0.000 claims 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 45
- 239000003546 flue gas Substances 0.000 abstract description 45
- 238000010992 reflux Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 17
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 13
- 229910021529 ammonia Inorganic materials 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
Abstract
The utility model discloses denitration equipment capable of precisely spraying and removing nitrogen oxides, which comprises a detection and transmission structure used for detecting and refluxing the nitrogen oxides, wherein the detection and transmission structure is internally provided with a spray structure for precisely spraying and removing the nitrogen oxides, the detection and transmission structure comprises an equipment body with a hollow structure, a flange pipe is embedded on the equipment body, a temperature detection module for detecting the temperature of flue gas is arranged in the flange pipe, meanwhile, the temperature detection module is provided with a hot air blower for sucking the flue gas into the equipment body through the flange pipe, the equipment body is internally provided with a plurality of nitrogen oxide monitors for detecting the nitrogen oxides, one side surface of the equipment body is embedded with a control board for controlling and adjusting parts through the nitrogen oxide monitors, and meanwhile, one end of the control board is provided with a connecting flange through the equipment body.
Description
Technical Field
The utility model relates to the technical field of denitration equipment, in particular to denitration equipment capable of precisely spraying and removing nitrogen oxides.
Background
The flue gas denitration is a process of reducing nitrogen oxides in combustion flue gas into nitrogen, so that the nitrogen oxides in the flue gas are removed, the flue gas denitration is an important measure for preventing environmental pollution, the measure is sharply provided as a worldwide problem, with the development of modern industrial production and the improvement of living standard, the atmospheric pollution becomes a very concerned problem, in order to avoid environmental pollution caused by the discharge of the nitrogen oxides into the atmosphere, the flue gas denitration is particularly important, and the denitration equipment in the prior art has huge volume, insufficient tightness and incomplete removal of the nitrogen oxides, so that residual nitrogen oxides still exist in the treated flue gas, and the removal effect is poor.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides denitration equipment capable of precisely spraying and removing nitrogen oxides, so as to solve the problems that the denitration equipment in the prior art proposed to pass through in the prior art has huge volume and insufficient tightness, and the nitrogen oxides are not completely removed, so that residual nitrogen oxides exist in the treated flue gas, and the removal effect is poor.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the denitration device capable of precisely spraying and removing the nitrogen oxides comprises a detection and transmission structure for detecting and refluxing the nitrogen oxides, wherein the detection and transmission structure is internally provided with a spray removing structure for precisely spraying and removing the nitrogen oxides;
the detecting and conveying structure comprises an equipment body with a hollow structure, a flange pipe is inlaid on the equipment body, a temperature detection module for detecting the temperature of the smoke is arranged in the flange pipe, and a hot air blower for sucking the smoke into the equipment body is arranged on the flange pipe.
Through adopting above-mentioned technical scheme, thereby through the air heater that sets up, play the extraction to the flue gas and carry the effect.
Preferably, the inside nitrogen oxide monitor that is equipped with a plurality of to nitrogen oxide detection of equipment body, and nitrogen oxide monitor inlays through equipment body one side surface and is equipped with the control panel to spare part control regulation, and the control panel is equipped with flange through equipment body one end simultaneously.
Through adopting above-mentioned technical scheme, thereby play two-way installation connection effect through the flange that sets up.
Preferably, the connecting flange is provided with a smoke exhaust pipe for exhausting smoke through a fixing bolt, and the smoke exhaust pipe is provided with a conveying pipe which is connected with the flange pipe in an embedded mode through a fan.
Through adopting above-mentioned technical scheme, thereby through the conveyer pipe that sets up play the connection and carry the effect.
Preferably, the spraying structure comprises a mounting frame arranged in the equipment body, a plurality of independent control valve pipes are arranged on the mounting frame, and a spray head for accurately spraying and removing nitrogen oxides is arranged below the independent control valve pipes.
Through adopting above-mentioned technical scheme, thereby through the independent control valve pipe that sets up, play independent opening and close the effect.
Preferably, the independent control valve pipe is arranged through a transfer pipe and a connecting pipe, and the connecting pipe is connected with an ammonia water tank through a liquid pump.
Through adopting above-mentioned technical scheme, thereby through the transfer pipe that sets up, play the effect of storing and storing the transportation ammonia water.
Preferably, the overall shape of the smoke exhaust pipe is a 'convex tower'.
Through adopting above-mentioned technical scheme, thereby play and inlay and install the setting effect through the exhaust pipe that sets up.
Compared with the prior art, the utility model has the beneficial effects that: the denitration device capable of precisely spraying and removing the nitrogen oxides,
(1) The present case is by setting up: the detection and transmission structure solves the problems that in the prior art, denitration equipment is huge in size and insufficient in tightness, nitrogen oxides are removed incompletely, residual nitrogen oxides exist in the processed flue gas, poor removal effect is caused, flue gas is led through a hot air blower by a flue inlet, flue gas heat dissipation is avoided, flue gas temperature monitoring is carried out through a temperature sensing module, ammonia water spraying particle size and covering dilution are controlled through the flue gas temperature, ammonia water is quickly diluted by utilizing the high temperature of the flue gas, ammonia and nitrogen oxides are promoted to be quickly neutralized, a nitrogen oxide monitor is arranged in the equipment body, the equipment body is internally modeled, the situation that the flue gas flow and the nitrogen oxides of the equipment body are accurately started through feedback data and sequence numbers of the detector, the region spray head is accurately opened through the equipment sequence numbers, an analog analysis system is input through the feedback data, data analysis and denitration trend is carried out, the flue gas drainage speed of the hot air blower and the ammonia water spraying coverage area are adjusted through the analysis data, the ammonia water consumption and the accurate denitration pin are reduced, and when the denitration flue gas enters the flue gas to the inside and passes through the nitrogen oxide monitor, the nitrogen oxides are repeatedly contained in the flue gas through the nitrogen oxide monitor, and the flue gas is repeatedly extracted by the fan, and the upper structure is avoided;
(2) Through the spraying structure that sets up to solve the flue gas under the different temperatures, how improve the replacement reaction of aqueous ammonia, through setting up double-deck shower nozzle, upper shower nozzle becomes 50 degrees tilt up, and spray through independent shower nozzle of PLC can be opened alone, when low temperature flue gas gets into the pin removal, open double-deck shower nozzle in step, and control shower nozzle open and shut and reduce aqueous ammonia particle diameter and control cover the face rarefaction of face, accelerate aqueous ammonia replacement reaction, otherwise high temperature flue gas gets into and opens the lower floor's shower nozzle alone, and increase aqueous ammonia particle diameter and thickening aqueous ammonia cover face, utilize high temperature quick solution aqueous ammonia to carry out neutralization reaction, spray the structure through setting up, thereby avoid foretell condition.
Drawings
FIG. 1 is a schematic diagram of a front cross-sectional structure of the present utility model;
FIG. 2 is a schematic diagram of the inspection structure of the present utility model;
FIG. 3 is a schematic view of the smoke exhaust pipe structure of the present utility model;
fig. 4 is a schematic view of the spray structure of the present utility model.
In the figure: 1. the device comprises a detection and transportation structure, 101, a device body, 102, flange pipes, 103, a temperature detection module, 104, a hot air blower, 105, a nitrogen oxide monitor, 106, a connecting flange, 107, a smoke exhaust pipe, 108, a fan, 109, a conveying pipe, 2, a spraying structure, 201, a mounting rack, 202, an independent control valve pipe, 203, a spray head, 204, a transfer pipe, 205, a connecting pipe, 206, a liquid pump, 207 and an ammonia water tank.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides a technical solution: can be to accurate denitration equipment that sprays of nitrogen oxide, as shown in fig. 1, fig. 2 and fig. 3, including examining defeated structure 1 as to nitrogen oxide detects backward flow, examine defeated structure 1 including the inside equipment body 101 that is hollow structure, inlay on the equipment body 101 and be equipped with flange pipe 102, and the inside temperature detection module 103 that is equipped with to flue gas temperature detection of flange pipe 102, be equipped with the air heater 104 with the flue gas inhalation in the inside of equipment body 101 on the flange pipe 102 simultaneously, wherein, flange pipe 102, temperature detection module 103 and air heater 104 all take prior art structure setting, thereby utilize the above-mentioned spare part of prior art structure setting to play the extraction to the flue gas and carry and to flue gas temperature on-line monitoring effect.
The above-mentioned scheme is further, the inside nitrogen oxide monitor 105 that is equipped with a plurality of to nitrogen oxide detection of equipment body 101, and nitrogen oxide monitor 105 inlay through equipment body 101 one side surface and be equipped with the control panel to spare part control regulation, the control panel is equipped with flange 106 through equipment body 101 one end simultaneously, wherein, nitrogen oxide monitor 105 and flange 106 take prior art structure setting equally, thereby utilize flange 106 that prior art structure set up to play the installation setting and play monitoring detection effect to nitrogen oxide.
The flange 106 is equipped with the exhaust pipe 107 with flue gas exhaust through fixing bolt, exhaust pipe 107 overall shape is "protruding tower" shape, be when being "protruding tower" shape setting through above-mentioned spare part overall shape, so not only embody the aesthetic property effect of above-mentioned spare part overall appearance and still embody the longitudinal axial symmetry effect of above-mentioned spare part, and when utilizing above-mentioned spare part to be "protruding tower" shape setting, thereby utilize the transportation and the discharge effect of the wide structure in front and back of "protruding tower" shape convenience flue gas, simultaneously exhaust pipe 107 inside is provided with nitrogen oxide monitor 105 and one-way electromagnetic control valve equally, thereby play secondary detection and control emission sealed effect to the flue gas after spraying, and exhaust pipe 107 is last to be equipped with through fan 108 and inlay the conveyer pipe 109 that is connected with flange pipe 102 and set up.
In the above scheme, when the flue gas needs to spray and remove nitrogen oxide, the flue gas is conveyed to the inside of the flange pipe 102 in the working process of the hot air blower 104, the flue gas entering the inside of the flange pipe 102 is contacted with the temperature detection module 103, the temperature detection module 103 detects the temperature of the flue gas, the flue gas with detected temperature is conveyed to the inside of the equipment body 101 to spray and remove nitrogen oxide through the spraying structure 2, the nitrogen oxide monitor 105 detects whether the flue gas contains nitrogen oxide after the nitrogen oxide in the flue gas is removed, the flue gas is conveyed to the inside of the smoke exhaust pipe 107 to detect whether the flue gas contains nitrogen oxide through the other nitrogen oxide monitor 105 again, when the flue gas contains nitrogen oxide, the fan 108 works, and the flue gas is conveyed to the inside of the flange pipe 102 again through the conveying pipe 109 to spray and remove nitrogen oxide for the second time.
As shown in fig. 4, the structure 1 for detecting and transporting is internally provided with a spraying structure 2 for removing nitrogen oxides by precise spraying, the spraying structure 2 comprises a mounting frame 201 arranged in the equipment body 101, a plurality of independent control valve pipes 202 are arranged on the mounting frame 201, and spray heads 203 for removing nitrogen oxides by precise spraying are arranged below the independent control valve pipes 202, wherein 20 groups of 40 independent control valve pipes 202 are arranged, the spray heads 203 arranged in the same number are provided with an installation and setting effect by utilizing the arranged independent control valve pipes 202, and a single independent control valve pipe 202 is independently controlled by a PLC (programmable logic controller), so that the integral independent control valve pipes 202 and the spray heads 203 are independently controlled and synchronously sprayed.
The above scheme is further, independent control valve pipe 202 is installed and is set up through transfer pipe 204 and connecting pipe 205, and connecting pipe 205 with through liquid pump 206 and ammonia box 207 are connected and are set up, wherein, transfer pipe 204, connecting pipe 205, liquid pump 206 and ammonia box 207 take prior art structure to set up equally, effectually play the extraction transport effect to the aqueous ammonia when utilizing prior art structure to set up.
In the above scheme, when low temperature flue gas enters the equipment body 101, the double-layer spray nozzle 203 and the independent control valve pipe 202 are synchronously opened at this time to work, and the spray nozzle 203 is controlled to open and close to reduce the grain diameter of ammonia water and control the coverage surface to be thin so as to accelerate the ammonia water replacement reaction, otherwise, high temperature flue gas enters the lower-layer spray nozzle 203 to be independently opened, and the grain diameter of ammonia water and the coverage surface of thickened ammonia water are enlarged, and the high temperature rapid dilute ammonia water is utilized to carry out neutralization reaction.
The terms "center," "longitudinal," "transverse," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used for descriptive simplicity and convenience only and not as an indication or implying that the apparatus or element being referred to must have a particular orientation, be constructed and operated for a particular orientation, based on the orientation or positional relationship illustrated in the drawings, and thus should not be construed as limiting the scope of the present utility model.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (6)
1. Denitration equipment that can spray the removal to nitrogen oxide is accurate, including examining defeated structure (1) that detects the backward flow as to nitrogen oxide, its characterized in that: the inside of the detection and transmission structure (1) is provided with a spray removing structure (2) for precisely spraying nitrogen oxides;
the detecting and conveying structure (1) comprises an equipment body (101) with a hollow structure, a flange pipe (102) is inlaid on the equipment body (101), a temperature detection module (103) for detecting the temperature of smoke is arranged inside the flange pipe (102), and a hot air blower (104) for sucking the smoke into the equipment body (101) is arranged on the temperature detection module (103) through the flange pipe (102).
2. The denitration device capable of precisely spraying and removing nitrogen oxides according to claim 1, wherein the denitration device is characterized in that: the nitrogen oxide monitoring device is characterized in that a plurality of nitrogen oxide monitors (105) for detecting nitrogen oxides are arranged in the device body (101), a control board for controlling and adjusting parts is embedded on one side surface of the device body (101) through the nitrogen oxide monitors (105), and a connecting flange (106) is arranged at one end of the control board through the device body (101).
3. The denitration device capable of precisely spraying and removing nitrogen oxides according to claim 2, wherein: the connecting flange (106) is provided with a smoke exhaust pipe (107) for exhausting smoke through a fixing bolt, and the smoke exhaust pipe (107) is provided with a conveying pipe (109) which is connected with the flange pipe (102) in an embedded mode through a fan (108).
4. The denitration device capable of precisely spraying and removing nitrogen oxides according to claim 1, wherein the denitration device is characterized in that: the spraying structure (2) comprises a mounting frame (201) arranged inside the equipment body (101), a plurality of independent control valve pipes (202) are arranged on the mounting frame (201), and a spray head (203) for accurately spraying and removing nitrogen oxides is arranged below the independent control valve pipes (202).
5. The denitration device capable of precisely spraying and removing nitrogen oxides according to claim 4, wherein: the independent control valve pipe (202) is arranged with the connecting pipe (205) through the transfer pipe (204), and the connecting pipe (205) is connected with the ammonia water tank (207) through the liquid pump (206).
6. A denitration device capable of precisely spraying and removing nitrogen oxides according to claim 3, wherein: the overall shape of the smoke exhaust pipe (107) is a 'convex tower'.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321903110.XU CN220657032U (en) | 2023-07-19 | 2023-07-19 | Denitration device capable of precisely spraying and removing nitrogen oxides |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321903110.XU CN220657032U (en) | 2023-07-19 | 2023-07-19 | Denitration device capable of precisely spraying and removing nitrogen oxides |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220657032U true CN220657032U (en) | 2024-03-26 |
Family
ID=90328001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321903110.XU Active CN220657032U (en) | 2023-07-19 | 2023-07-19 | Denitration device capable of precisely spraying and removing nitrogen oxides |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220657032U (en) |
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2023
- 2023-07-19 CN CN202321903110.XU patent/CN220657032U/en active Active
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