CN214287495U - Box-type ozone denitration system - Google Patents
Box-type ozone denitration system Download PDFInfo
- Publication number
- CN214287495U CN214287495U CN202122092736.4U CN202122092736U CN214287495U CN 214287495 U CN214287495 U CN 214287495U CN 202122092736 U CN202122092736 U CN 202122092736U CN 214287495 U CN214287495 U CN 214287495U
- Authority
- CN
- China
- Prior art keywords
- ozone
- cooling water
- ozone generator
- nox sensor
- box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model discloses a box-type ozone denitration system, in particular to the field of waste gas treatment and environmental protection; comprises an ozone generator, the ozone generator is connected with a vaporizer, and the vaporizer is connected with a liquid oxygen tank; the gas outlet end of the ozone generator is connected with a distributor through a gas outlet pipe, and the distributor is positioned in the flue gas pipeline; a first NOx sensor and a second NOx sensor are installed in the flue gas pipeline; the ozone generator, the first NOx sensor and the second NOx sensor are respectively connected with the nitrogen oxide on-line detection device; the ozone generator is connected with the cooling system; the cooling system comprises a plate heat exchanger and a cooling water circulation pool; a cooling water circulating pump is arranged on the internal circulation cooling water inlet pipe and is connected with the PLC control cabinet; the system can control the yield of ozone by measuring the content of oxynitride and controlling the oxygen inlet amount of the ozone generator by the PLC control cabinet so as to adapt to the sudden rise and sudden fall of the content of oxynitride in actual operation and reasonably adjust the reaction of ozone and oxynitride.
Description
Technical Field
The utility model relates to an exhaust-gas treatment environmental protection field especially relates to a box ozone deNOx systems.
Background
The smoke contains a large amount of nitrogen oxides, and the current mainstream treatment methods comprise ozone oxidation denitration, FGD (smoke desulfurization) process and the like; the ozone oxidation denitration system has the advantages of simple system, easy modification on the basis of the original equipment, high denitration efficiency and the like, and can realize low-temperature denitration treatment due to low operating temperature.
The ozone oxidation absorption denitration method takes ozone as an oxidant to oxidize NO which is not easy to dissolve in water in the flue gas into NO2 or higher nitrogen oxide, and then corresponding absorption liquid (water, alkali solution, acid solution or metal complex solution and the like) is used for spraying and washing the flue gas, so that the nitrogen oxide in a gas phase is transferred to a liquid phase, and the denitration treatment of the flue gas is realized.
The oxidized flue gas mainly undergoes the following reaction in the washing tower:
NO2+H2O→HNO3+NO
N2O5+H2O→HNO3
NO+NO2+2NaOH→2NaNO2+H2O
at present, there are also related patent applications such as an ozone desulfurization and denitrification system with application number CN 201920971925.9; it includes: the SCR selective catalytic reduction denitration device is connected with the coal-fired boiler and is used for carrying out denitration treatment on the flue gas from the coal-fired boiler by adopting a selective catalytic reduction method; the wet scrubbing tower is used for simultaneously converting nitrogen oxides and sulfur dioxide in the flue gas into substances dissolved in water; the ozone generator is connected with a flue communicated with the SCR denitration device and the wet washing tower so as to spray ozone into the flue; the device is through arranging ozone entering flue behind SCR denitrification facility, under the effect of ozone, with NO oxidation to the oxynitrides of high valence state in the flue gas, then absorb oxynitride and sulfur dioxide simultaneously and turn into the material that dissolves in water in the wet scrubbing tower to reach the purpose of SOx/NOx control, satisfy the super clean emission requirement of country.
However, the existing technology only focuses on the reaction between ozone and nitrogen oxides, but the content of nitrogen oxides is unstable and can be high and low during actual operation, and the generation amount of ozone cannot be well and automatically controlled, so that the operation of the system has hysteresis, even the output of ozone needs to be continuously adjusted manually, the maintenance difficulty is increased, and the stable operation of the whole system is not facilitated.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the problem that the yield of ozone cannot be adjusted by matching with nitrogen oxide is solved, and the denitration efficiency is improved; provides a box-type ozone denitration system which comprises a box-type ozone denitration system,
comprises an ozone generator for generating ozone;
the ozone generator is fixed on the mounting frame body, the mounting frame body is fixed in the cooling box body, the vaporizer is further installed in the cooling box body, and the cooling box body is provided with a box door; a first fan is arranged on the side wall of the cooling box body close to one end of the vaporizer, and a second fan is arranged on the upper wall of the cooling box body;
the air inlet end of the ozone generator is connected with the vaporizer through a second air inlet pipe; the vaporizer is connected with the liquid oxygen tank through a first air inlet pipe; the liquid oxygen tank is used for providing oxygen for generating ozone, and the vaporizer is used for vaporizing the liquid oxygen so as to facilitate the ozone generator to generate ozone;
the gas outlet end of the ozone generator is connected with a distributor through a gas outlet pipe, the distributor is positioned in a flue gas pipeline, and the flue gas pipeline is connected with the bottom end of the spraying tower; the flue gas containing nitrogen oxides enters the spray tower through the flue gas pipeline, contacts with the distributor before entering the spray tower, and the distributor is used for releasing ozone, so that the ozone and the nitrogen oxides are in contact reaction to obtain higher-price nitrogen oxides, and the nitrogen oxides are absorbed and purified through the spray tower;
a first NOx sensor is arranged at an air inlet of the flue gas pipeline, and a second NOx sensor is arranged at an air outlet of the flue gas pipeline; the first NOx sensor and the second NOx sensor are used for collecting content data of nitrogen oxides in the flue gas and sending detection signals to the nitrogen oxide on-line detection device, the nitrogen oxide on-line detection device can calculate the final NOx emission according to the concentration of the NOx and the oxygen content of the flue gas, and the nitrogen oxide on-line detection device is connected with the PLC control cabinet for data transmission; the content of the nitrogen oxide is judged by the nitrogen oxide on-line detection device through the detection signal feedback of the first NOx sensor and the second NOx sensor, and then a signal instruction is sent by the PLC control cabinet to control the generation of ozone;
the ozone generator is connected with the PLC control cabinet through a control line, the first NOx sensor and the second NOx sensor are respectively connected with a nitrogen oxide on-line detection device, and the nitrogen oxide on-line detection device is connected with the PLC control cabinet;
wherein, the PLC control cabinet is fixed at the lower end of the mounting frame body; the first fan and the second fan are respectively connected with the PLC control cabinet; the opening and closing of the first fan and the second fan are controlled by the PLC control cabinet;
the ozone generator is connected with the cooling system; the cooling system comprises a plate heat exchanger and a cooling water circulation pool; a cooling water inlet of the ozone generator is connected with the plate heat exchanger through an internal circulation cooling water inlet pipe, and a cooling water outlet of the ozone generator is connected with the plate heat exchanger through an internal circulation cooling water outlet pipe; an external circulating cooling water outlet pipe of the cooling water circulating pool is connected with the plate heat exchanger, and an external circulating cooling water return pipe of the cooling water circulating pool is connected with the plate heat exchanger; a cooling water circulating pump is arranged on the internal circulation cooling water inlet pipe and is connected with the PLC control cabinet;
the cooling internal circulation of the ozone generator is realized through the ozone generator and the plate heat exchanger, and the cooling external circulation is realized through the cooling water circulation pool and the plate heat exchanger; the PLC control cabinet sends a signal instruction to control the rotating speed of the cooling water circulating pump, so that the flow of the cooling water is controlled, and the cooling efficiency of the ozone generator is adjusted by adjusting the flow of the cooling water.
Further, a manual low-temperature stop valve is arranged on the first air inlet pipe; the second air inlet pipe is provided with an electromagnetic valve, and the electromagnetic valve is connected with the PLC control cabinet; the PLC control cabinet sends a signal instruction to control the opening of the electromagnetic valve, so as to control the oxygen inlet amount of the ozone generator and control the ozone yield.
Furthermore, a pressure reducing valve is installed on the second air inlet pipe, and the pressure reducing valve is installed between the electromagnetic valve and the ozone generator and used for controlling the oxygen pressure.
Further, the distributor is located between the first NOx sensor and the second NOx sensor, and the distributor is proximate to the first NOx sensor.
Further, a third NOx sensor is installed inside the spray tower and connected with the nitrogen oxide online detection device, and the third NOx sensor further collects nitrogen oxide content data.
Furthermore, a filter is also arranged on the second air inlet pipe, and a flowmeter is arranged on an air outlet pipe connected with the air outlet end of the ozone generator; the filter is used for removing oil and water mixed in the oxygen, and the flowmeter is used for measuring the flow rate of the ozone;
the flowmeter is connected with the PLC control cabinet.
Furthermore, an air outlet pipe connected with the air outlet end of the ozone generator is also provided with a temperature transmitter and a pressure transmitter, and the temperature transmitter and the pressure transmitter are respectively connected with the PLC control cabinet; the temperature transmitter and the pressure transmitter are used for detecting the temperature and the pressure of ozone in the air outlet pipe, and the temperature or the pressure exceeds a set value, so that the PLC control cabinet gives an alarm and gives a shutdown instruction.
Furthermore, a water replenishing tank is arranged on the internal circulation cooling water inlet pipe and is used for replenishing cooling water.
Furthermore, the cooling water circulation pool also comprises a water replenishing pipe and a water draining pipe, and the cooling water in the cooling water circulation pool is replaced through the water replenishing pipe and the water draining pipe.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model is provided with a liquid oxygen tank, a vaporizer, a manual low-temperature stop valve, an electromagnetic valve and a pressure reducing valve, and can better control the oxygen content of the ozone generator and further control the yield of ozone; the pressure in the ozone generator is reduced through the pressure reducing valve, so that the equipment is convenient to maintain;
2. the utility model has the advantages that the ozone generator, the distributor, the first NOx sensor, the second NOx sensor, the third NOx sensor and the like are provided, the opening degree of the solenoid valve is controlled by the PLC control cabinet by measuring the content of oxynitride at the air inlet and the air outlet of the flue gas pipeline and the content of oxynitride in the spray tower, so as to control the oxygen inlet amount of the ozone generator, control the yield of ozone, adapt to the content of oxynitride in actual operation, and reasonably adjust the reaction of ozone and oxynitride;
3. the utility model discloses still have cooling system, carry out the heat transfer through plate heat exchanger, reduce ozone generator's temperature, when PLC switch board control ozone generator increases the production of ozone, the production of heat is great, and the PLC switch board sends the rotational speed increase of signal command control cooling water circulating pump, and then the flow increase of control cooling water improves the cooling effect, and ozone concentration is high when the temperature is low, and whole efficiency obtains improving.
4. The utility model discloses still have first fan, second fan, can take away the unnecessary heat in the cooler bin, the vaporizer absorbs the heat when vaporizing liquid oxygen for oxygen, and the air temperature reduces around the vaporizer, increases the air flow in the cooler bin through first fan, and the cold air around the vaporizer is used for PLC switch board and ozone generator's cooling to discharge through the second fan, improve the cooling effect.
Drawings
FIG. 1 is a schematic structural view of a box-type ozone denitration system of the present invention;
the reference numbers shown in the figures: 1. an ozone generator; 2. a liquid oxygen tank; 3. a vaporizer; 4. a flue gas duct; 5. a spray tower; 6. a plate heat exchanger; 7. a cooling water circulation tank; 8. a distributor; 9. a manual low temperature stop valve; 10. an electromagnetic valve; 11. a pressure reducing valve; 12. a first NOx sensor; 13. a second NOx sensor; 14. a third NOx sensor; 15. a PLC control cabinet; 16. a cooling water circulation pump; 17. a water replenishing tank; 18. a water replenishing pipe; 19. a drain pipe; 20. a filter; 21. a flow meter; 22. a temperature transmitter; 23. a pressure transmitter; 24. cooling the box body; 25. installing a frame body; 26. a first fan; 27. a second fan.
Detailed Description
In order to better understand the technical solution of the present invention, the present invention will be further explained with reference to the following specific embodiments and the accompanying drawings.
Example (b):
referring to fig. 1, the present embodiment provides a box-type ozone denitration system,
comprises an ozone generator 1 for generating ozone; generating ozone by discharging with an oxygen source ozone generator;
the ozone generator 1 is fixed on a mounting frame body 25, the mounting frame body 25 is fixed in a cooling box body 24, and a vaporizer 3 is also arranged in the cooling box body 24; a first fan 26 is arranged on the side wall of the cooling box body 24 close to one end of the vaporizer 3, a second fan 27 is arranged on the upper wall of the cooling box body 24, and the ozone generator 1 is arranged right below the second fan 27; the first fan 26 and the second fan 27 are respectively connected with the PLC control cabinet 15; the opening and closing of the first fan 26 and the second fan 27 are controlled by the PLC control cabinet 15; wherein the cooling cabinet 24 is provided with a door (not shown in the drawings) for service;
the ozone generator 1 is connected with an oxygen source, a distributor 8 and a cooling system; the ozone generator 1 is connected with the PLC control cabinet 15 through a control line, and the PLC control cabinet 15 is fixed at the lower end of the mounting frame body 25;
wherein: the oxygen source comprises a liquid oxygen tank 2 and a vaporizer 3;
the air inlet end of the ozone generator 1 is connected with the vaporizer 3 through a second air inlet pipe; the vaporizer 3 is connected with the liquid oxygen tank 2 through a first air inlet pipe; the liquid oxygen tank 2 is used for providing oxygen for generating ozone, and the vaporizer 3 is used for vaporizing the liquid oxygen so as to facilitate the ozone generator 1 to generate ozone; a pressure reducing valve 11 is arranged on the second air inlet pipe, and the pressure reducing valve 11 is arranged between the electromagnetic valve 10 and the ozone generator 1 and used for controlling the oxygen pressure;
a manual low-temperature stop valve 9 is arranged on the first air inlet pipe; the second air inlet pipe is provided with an electromagnetic valve 10, and the electromagnetic valve 10 is connected with a PLC (programmable logic controller) control cabinet 15; the PLC control cabinet 15 sends a signal instruction to control the opening of the electromagnetic valve 10, so as to control the oxygen inlet amount of the ozone generator 1 and control the ozone yield;
the yield of ozone can be controlled by adjusting the discharge current of the ozone discharge chamber, and the PLC control cabinet 15 controls the power supply to control the discharge current so as to control the yield of ozone;
the second air inlet pipe is also provided with a filter 20, and an air outlet pipe connected with the air outlet end of the ozone generator is provided with a flowmeter 21; the filter 20 is used for removing oil and water mixed in oxygen, and the flow meter 21 is used for measuring the ozone flow;
the flowmeter 21 is connected with the PLC control cabinet 15;
the liquid oxygen tank 2, the vaporizer 3, the manual low-temperature stop valve 9, the electromagnetic valve 10 and the pressure reducing valve 11 can better control the oxygen content of the ozone generator 1, and further control the yield of ozone; the pressure in the ozone generator 1 is reduced by the pressure reducing valve 11, so that the maintenance of the equipment is facilitated.
A first NOx sensor 12 is arranged at the air inlet of the flue gas pipeline 4, and a second NOx sensor 13 is arranged at the air outlet of the flue gas pipeline 4; the first NOx sensor 12 and the second NOx sensor 13 are used for collecting content data of nitrogen oxides in the flue gas and sending detection signals to a nitrogen oxide on-line detection device (not shown in the attached drawings), the detection signals of the first NOx sensor 12 and the second NOx sensor 13 are fed back, the nitrogen oxide on-line detection device can calculate the final NOx emission amount according to the concentration of NOx and the oxygen content of the flue gas, the nitrogen oxide on-line detection device judges the content of the nitrogen oxides, and then a PLC (programmable logic controller) control cabinet 15 sends signal instructions to control the generation of ozone; a third NOx sensor 14 is arranged in the spray tower 5, and the third NOx sensor 14 is connected with a nitrogen oxide online detection device; the third NOx sensor 14 further collects nitrogen oxide content data;
the first NOx sensor 12, the second NOx sensor 13 and the third NOx sensor 14 are respectively connected with a nitrogen oxide on-line detection device, and the nitrogen oxide on-line detection device is connected with a PLC control cabinet 15.
When the flue gas containing oxynitride enters the spray tower 5 through the flue gas pipeline 4, the flue gas sequentially passes through the first NOx sensor 12, the distributor 8 and the second NOx sensor 13; the first NOx sensor 12 measures the oxynitride content of the initial flue gas, and the second NOx sensor 13 measures the oxynitride content of the neutralized flue gas; the filter 20 is used for removing impurities such as oil, water and the like, and the flowmeter 21 is used for measuring the flow of ozone to obtain related data; through data measurement, the PLC control cabinet 15 controls the opening of the electromagnetic valve 10, further controls the oxygen inlet amount of the ozone generator 1, can control the yield of ozone, so as to adapt to the fact that the content of nitrogen oxides is high or low during actual operation, and can reasonably adjust the reaction of ozone and nitrogen oxides.
The gas outlet end of the ozone generator 1 is connected with a distributor 8 through a gas outlet pipe, the distributor 8 is positioned in a flue gas pipeline 4, and the flue gas pipeline 4 is connected with the bottom end of a spray tower 5; flue gas containing nitrogen oxides enters a spray tower 5 through a flue gas pipeline 4 and contacts a distributor 8 before entering the spray tower 5, and the distributor 8 is used for releasing ozone, so that the ozone and the nitrogen oxides are in contact reaction to obtain higher-price nitrogen oxides, and the nitrogen oxides are absorbed and purified through the spray tower 5; wherein the distributor 8 is located between the first NOx sensor 12 and the second NOx sensor 13 and the distributor 8 is close to the first NOx sensor 12.
In order to ensure production safety, the ozone generator 1 is also provided with an oxygen leakage alarm instrument and an ozone leakage alarm instrument which are respectively connected with the PLC control cabinet 15; when oxygen and ozone are leaked and exceed set values, the PLC control cabinet 15 gives an alarm and gives a shutdown instruction, and production safety is guaranteed.
The air outlet pipe connected with the air outlet end of the ozone generator is also provided with a temperature transmitter 22 and a pressure transmitter 23, and the temperature transmitter 22 and the pressure transmitter 23 are respectively connected with the PLC control cabinet 15; the temperature transmitter 22 and the pressure transmitter 23 are used for detecting the temperature and the pressure of the ozone, and the temperature or the pressure exceeds a set value, the PLC control cabinet 15 gives an alarm and gives a shutdown instruction.
The ozone generator 1 is also connected with a cooling system;
the cooling system comprises a plate heat exchanger 6 and a cooling water circulating pool 7; a cooling water inlet of the ozone generator 1 is connected with the plate heat exchanger 6 through an internal circulation cooling water inlet pipe, and a cooling water outlet of the ozone generator 1 is connected with the plate heat exchanger 6 through an internal circulation cooling water outlet pipe; an external circulation cooling water outlet pipe of the cooling water circulation tank 7 is connected with the plate type heat exchanger 6, and an external circulation cooling water return pipe of the cooling water circulation tank 7 is connected with the plate type heat exchanger 6; a cooling water circulating pump 16 is arranged on the internal circulation cooling water inlet pipe, and the cooling water circulating pump 16 is connected with the PLC control cabinet 15;
a water supplementing tank 17 is arranged on the internal circulation cooling water inlet pipe and is used for supplementing cooling water;
the cooling water circulation pool 7 also comprises a water replenishing pipe 18 and a water draining pipe 19, and the cooling water in the cooling water circulation pool 7 is replaced through the water replenishing pipe 18 and the water draining pipe 19;
the cooling internal circulation of the ozone generator 1 is realized through the ozone generator 1 and the plate heat exchanger 6, and the cooling external circulation is realized through the cooling water circulation tank 7 and the plate heat exchanger 6; the PLC control cabinet 15 sends a signal instruction to control the rotating speed of the cooling water circulating pump 16, so as to control the flow of the cooling water, and the cooling efficiency of the ozone generator 1 is adjusted by adjusting the flow of the cooling water.
The cooling system exchanges heat through the plate heat exchanger 6, the temperature of the ozone generator 1 is reduced, when the PLC control cabinet 15 controls the ozone generator 1 to increase the generation of ozone, the generated heat is large, the PLC control cabinet 15 sends a signal instruction to control the rotating speed of the cooling water circulating pump 16 to increase, the flow of the cooling water is further controlled to increase, the cooling effect is improved, the ozone concentration is high when the temperature is low, and the overall efficiency is improved.
The embodiment also has an air cooling system which comprises a first fan 26 and a second fan 27 and can take away the redundant heat in the cooling box body 24, the vaporizer 3 absorbs heat when vaporizing liquid oxygen into oxygen, the temperature of the air around the vaporizer 3 is reduced, the air flow in the cooling box body 24 is increased through the first fan 26, and the cold air around the vaporizer 3 is used for cooling the PLC control cabinet 15 and the ozone generator 1 and is discharged through the second fan 27, so that the cooling effect is improved.
The connection mode between the PLC control cabinet 15 and the electromagnetic valve 10, the nitrogen oxide on-line detection device, the cooling water circulation pump 16, the flow meter 21, the first fan 26, the second fan 27, and the like is an electrical connection mode, and belongs to the existing connection mode, and the control method of the PLC control cabinet 15 to the above devices belongs to the prior art in the field, and is not described again in this embodiment.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, 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. For the electrical and communication fields, either a wired connection or a wireless connection is possible. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only for the purpose of illustrating the preferred embodiments of the present application and the technical principles applied thereto, and it should be understood by those skilled in the art that the scope of the present invention is not limited to the technical solutions of the specific combinations of the above technical features, and other technical solutions formed by any combination of the above technical features or their equivalents without departing from the inventive concept should be also covered. For example, the features described above have similar functions to (but are not limited to) those disclosed in this application.
Claims (9)
1. The utility model provides a box ozone deNOx systems which characterized in that: comprises an ozone generator for generating ozone; the ozone generator is fixed on the mounting frame body, the mounting frame body is fixed in the cooling box body, the vaporizer is further installed in the cooling box body, and the cooling box body is provided with a box door; a first fan is arranged on the side wall of the cooling box body close to one end of the vaporizer, and a second fan is arranged on the upper wall of the cooling box body; the air inlet end of the ozone generator is connected with the vaporizer through a second air inlet pipe; the vaporizer is connected with the liquid oxygen tank through a first air inlet pipe; the gas outlet end of the ozone generator is connected with a distributor through a gas outlet pipe, the distributor is positioned in a flue gas pipeline, and the flue gas pipeline is connected with the bottom end of the spraying tower; a first NOx sensor is arranged at the air inlet of the flue gas pipeline, and a second NOx sensor is arranged at the air outlet of the flue gas pipeline; the ozone generator is connected with the PLC control cabinet through a control line, the first NOx sensor and the second NOx sensor are respectively connected with the nitrogen oxide on-line detection device, the nitrogen oxide on-line detection device is connected with the PLC control cabinet, and the PLC control cabinet is fixed at the lower end of the mounting frame body; the first fan and the second fan are respectively connected with the PLC control cabinet; the ozone generator is connected with the cooling system; the cooling system comprises a plate heat exchanger and a cooling water circulation pool; a cooling water inlet of the ozone generator is connected with the plate heat exchanger through an internal circulation cooling water inlet pipe, and a cooling water outlet of the ozone generator is connected with the plate heat exchanger through an internal circulation cooling water outlet pipe; an external circulating cooling water outlet pipe of the cooling water circulating pool is connected with the plate heat exchanger, and an external circulating cooling water return pipe of the cooling water circulating pool is connected with the plate heat exchanger; and a cooling water circulating pump is installed on the internal circulation cooling water inlet pipe and is connected with the PLC control cabinet.
2. The box-type ozone denitration system of claim 1, characterized in that: a manual low-temperature stop valve is arranged on the first air inlet pipe; and the second air inlet pipe is provided with an electromagnetic valve, and the electromagnetic valve is connected with the PLC control cabinet.
3. The box-type ozone denitration system of claim 1, characterized in that: and a pressure reducing valve is arranged on the second air inlet pipe.
4. The box-type ozone denitration system of claim 1, characterized in that: the distributor is located between the first NOx sensor and the second NOx sensor, and the distributor is proximate to the first NOx sensor.
5. The box-type ozone denitration system of claim 1, characterized in that: and a third NOx sensor is arranged in the spray tower and is connected with a nitrogen oxide online detection device.
6. The box-type ozone denitration system of claim 1, characterized in that: and a filter is further arranged on the second air inlet pipe, a flowmeter is arranged on an air outlet pipe connected with an air outlet end of the ozone generator, and the flowmeter is connected with the PLC control cabinet.
7. The box-type ozone denitration system of claim 6, characterized in that: and a temperature transmitter and a pressure transmitter are also arranged on an air outlet pipe connected with the air outlet end of the ozone generator.
8. The box-type ozone denitration system of claim 1, characterized in that: and a water replenishing tank is arranged on the internal circulation cooling water inlet pipe.
9. The box-type ozone denitration system of claim 1, characterized in that: the cooling water circulation pool also comprises a water replenishing pipe and a water discharging pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122092736.4U CN214287495U (en) | 2021-09-01 | 2021-09-01 | Box-type ozone denitration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122092736.4U CN214287495U (en) | 2021-09-01 | 2021-09-01 | Box-type ozone denitration system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214287495U true CN214287495U (en) | 2021-09-28 |
Family
ID=77838639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122092736.4U Active CN214287495U (en) | 2021-09-01 | 2021-09-01 | Box-type ozone denitration system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214287495U (en) |
-
2021
- 2021-09-01 CN CN202122092736.4U patent/CN214287495U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DK2952243T3 (en) | Seawater flow control device for a scrubber, method for controlling the seawater flow rate for a scrubber, alkali flow control device and method for controlling the amount of alkali | |
| CN101543723B (en) | Process for processing nitrogen-oxide waste gas containing acidic gas | |
| SK282302B6 (en) | Process and device for flue gas scrubbing and waste heat recovery | |
| CN113877416B (en) | Boiler flue gas desulfurization and denitrification device | |
| CN101322906A (en) | Intelligent system for processing waste gas | |
| CN110141966A (en) | Ozone system for desulfuration and denitration | |
| CN103463910A (en) | Comprehensive treatment device and method for cooling desulfurization of high-temperature and high-humidity flue gas | |
| CN204057981U (en) | Hydrolysis of urea reactor | |
| CN108499343A (en) | A kind of coal-fired boiler tail gas integrated desulfurization, denitration, smoke harnessing system | |
| CN204865513U (en) | Coal fired boiler flue gas desulfurization denitration equipment | |
| CN201223766Y (en) | PLC automatic control waste gas treater | |
| CN110237652A (en) | A kind of spiral board reaction system automatically adjusting blade angle | |
| CN214287495U (en) | Box-type ozone denitration system | |
| CN208678764U (en) | A kind of coal-fired boiler tail gas integrated desulfurization, denitration, smoke harnessing system | |
| JP2015116520A (en) | Wet type flue-gas desulfurization apparatus and application method of the wet type flue-gas desulfurization apparatus | |
| CN203507740U (en) | Cooling and desulfurizing comprehensive treatment device of high-temperature and high-humidity flue gas | |
| CN210522265U (en) | Ozone desulfurization and denitrification system | |
| CN112473349A (en) | Chemical plant flue gas desulfurization denitration dust collecting equipment | |
| CN108554142B (en) | Method for removing ultrahigh-concentration NO in electric arc wind tunnelxSystem and method | |
| CN207520860U (en) | The system of pollutant minimum discharge under a kind of thermal power plant's full load | |
| JP2013034965A (en) | Wet flue-gas treatment apparatus and method | |
| CN109915844B (en) | Energy-conserving comprehensive utilization system that administers of atmosphere pollution | |
| CN209549143U (en) | A kind of denitration device | |
| CN210613302U (en) | But whirl board reaction system of automatically regulated blade angle | |
| CN208747847U (en) | A kind of system using SNCR denitration device processing desulfurization wastewater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |