CN109012082B - Full-automatic nitrogen oxide removing device - Google Patents
Full-automatic nitrogen oxide removing device Download PDFInfo
- Publication number
- CN109012082B CN109012082B CN201810891794.3A CN201810891794A CN109012082B CN 109012082 B CN109012082 B CN 109012082B CN 201810891794 A CN201810891794 A CN 201810891794A CN 109012082 B CN109012082 B CN 109012082B
- Authority
- CN
- China
- Prior art keywords
- reference value
- value
- control valve
- flow control
- colorimetric
- 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
Classifications
-
- 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
- B01D53/54—Nitrogen compounds
- B01D53/56—Nitrogen oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0036—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
-
- 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
- B01D53/02—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 by adsorption, e.g. preparative gas chromatography
- B01D53/04—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 by adsorption, e.g. preparative gas chromatography with stationary adsorbents
-
- 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
- B01D53/75—Multi-step processes
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/206—Ammonium compounds
- B01D2251/2067—Urea
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/106—Silica or silicates
- B01D2253/108—Zeolites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/80—Water
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention provides a full-automatic nitrogen oxide removing device, which comprises a gas collecting hood, a gas-liquid separator, a first reaction tower, a second reaction tower, an absorber and a chimney which are sequentially communicated; and the spray gun of the first reaction tower is communicated with the circulation tank through a first flow control valve, the spray gun of the second reaction tower is connected with the circulation tank through a second flow control valve, and the first flow control valve and the second flow control valve are controlled by the controller. The invention uses the controller to carry out comprehensive management and control, realizes full-automatic control of the whole purification process, and realizes full-automatic control of the nitrogen oxide removal process by comprehensively controlling the first flow control valve, the second flow control valve, the first regulating valve and the second regulating valve and using the PH sensor, the concentration sensor and the colorimetric sensor which is designed autonomously.
Description
Technical Field
The invention relates to the field of environmental protection, in particular to a full-automatic nitrogen oxide removing device.
Background
Nitrogen oxides in industrial exhaust gas are one of the main causes of air pollution. Nitrogen oxides (nitrogen oxides) include a variety of compounds such as nitrous oxide (N2O), nitric oxide (N0), nitrogen dioxide (NO2), nitrous oxide (N203), nitrous tetroxide (N204), and nitrous pentoxide (N205), among others. Besides nitrogen dioxide, other nitrogen oxides are extremely unstable, and nitrogen oxide pollution is mainly nitric oxide and nitrogen dioxide, and mainly nitrogen dioxide. Nitrogen oxides all have varying degrees of toxicity.
Nitrogen oxides, mainly nitrogen monoxide (NO) and nitrogen dioxide (NO2), are present in the atmosphere and for a period of time to the extent that they have a detrimental effect on humans, animals, plants and other substances, and form pollutants. Other forms of nitrogen oxides such as nitrous oxide (N2O) and dinitrogen trioxide (N2O3) are also present in the atmosphere.
At present, the industry has a plurality of nitrogen oxide treatment methods, but the methods have advantages and disadvantages, and the automation degree is generally low.
Disclosure of Invention
In order to solve the technical problem, the invention provides a full-automatic nitrogen oxide removing device.
The invention is realized by the following technical scheme:
a full-automatic nitrogen oxide removing device comprises a gas collecting hood, a gas-liquid separator, a first reaction tower, a second reaction tower, an absorber and a chimney which are sequentially communicated; a spray gun of the first reaction tower is communicated with the circulation tank through a first flow control valve, a spray gun of the second reaction tower is connected with the circulation tank through a second flow control valve, and the first flow control valve and the second flow control valve are controlled by the controller;
the circulating tank is connected with a dissolving tank, the dissolving tank is communicated with the urea storage through a first regulating valve, and the dissolving tank is communicated with the pH regulating liquid storage through a second regulating valve; and a pH sensor and a concentration detector are arranged in the circulating tank, and the pH sensor, the concentration detector, the first regulating valve and the second regulating valve are communicated with the controller.
Furthermore, one side of the second reaction tower, which is close to the adsorber, is provided with a first colorimetric sensor, and one side of the second reaction tower, which is close to the adsorber, is provided with a second colorimetric sensor, and the first colorimetric sensor and the second colorimetric sensor are both connected with the controller, so that the controller automatically controls the first flow control valve and the second flow control valve according to a colorimetric result.
Further, the first colorimetric sensor and the second colorimetric sensor have the same logical structure, and include:
and the reference value storage module is used for storing a preset colorimetric reference value. The colorimetric reference value is used for comparing with the color of the actually obtained picture, and the colorimetric reference value is used for representing the concentration of nitrogen oxide in the gas;
the gas color picture acquisition module is used for acquiring a gas picture, and the picture is described by using RGB;
a picture region dividing module, configured to divide the obtained picture according to regions to obtain sub-pictures of N regions, where each pixel X in the sub-picturesiAre all passed through (r)i，gi，bi) To represent;
the region characteristic value acquisition module is used for acquiring the characteristic value of each sub-picture;
the method for calculating the characteristic value comprises the following steps:
according to formula k1ri+k2g2+k3b3Calculating a representative value for each pixel, where k1，k2，k3The weight coefficient for the three primary colors in obtaining the expression value is constant, where k is1，k2Are all greater than k3；
Obtaining the pixel X with the maximum expression values(rs，gs，bs)；
According to the formula
Acquiring a characteristic value, wherein t is a relative color coefficient;
the characteristic value selection module is used for acquiring a maximum characteristic value;
and the colorimetric result output module is used for selecting a colorimetric reference value which is closest to the maximum characteristic value and transmitting the colorimetric reference value to the controller.
Further, the colorimetric reference value output by the first colorimetric sensor to the controller is a first reference value, the colorimetric reference value output by the second colorimetric sensor to the controller is a second reference value, and the controller executes the following logic according to the first reference value and the second reference value:
judging whether the first reference value is greater than a first preset value and the second reference value is greater than a second preset value, if so, increasing the flow at the first flow control valve and the second flow control valve, and opening the second regulating valve and the first regulating valve;
judging whether the first reference value is greater than a first preset value and the second reference value is not greater than a second preset value, if so, increasing the flow at the first flow control valve;
judging whether the first reference value is not larger than a first preset value and the second reference value is not larger than a second preset value, if so, maintaining the flow at the first flow control valve and the second flow valve unchanged;
and judging whether the first reference value is not larger than a first preset value and the second reference value is larger than a second preset value, and if so, increasing the flow at the second flow valve.
Further, after the first regulating valve and the second regulating valve are opened, the high-concentration urea solution and the pH regulating liquid flow into the dissolving tank and further circulate in the circulating tank, and when the concentration of the urea solution in the circulating tank reaches 9% and the pH value is less than 3, the controller closes the first regulating valve and the second regulating valve and adjusts the first flow control valve and the second flow control valve to preset flow values.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which are merely for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be construed broadly, e.g. as being fixed or detachable 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 meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.
The invention has the beneficial effects that:
the invention provides a full-automatic nitrogen oxide removing device, which uses a controller to carry out comprehensive control, realizes full-automatic control of the whole purification process, and realizes full-automatic control of the nitrogen oxide removing process by comprehensively controlling a first flow control valve, a second flow control valve, a first regulating valve and a second regulating valve and using a pH sensor, a concentration sensor and an autonomously designed colorimetric sensor.
Drawings
FIG. 1 is a schematic view of a full-automatic nitrogen oxide removal device provided in this embodiment;
FIG. 2 is a schematic diagram of a logical structure of a colorimetric sensor provided in the present embodiment;
fig. 3 is a flowchart of a method for manufacturing the adsorption body according to this embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below.
The embodiment of the invention provides a full-automatic nitrogen oxide removing device, which comprises a gas collecting hood 1, a gas-liquid separator 2, a first reaction tower 3, a second reaction tower 4, an absorber 5 and a chimney 6 which are sequentially communicated as shown in figure 1. First reaction tower 3 and second reaction tower 4 possess the same structure, all include the tower body that glass fiber reinforced polystyrene constitutes, tower body upper portion installation stainless steel chimney, the stainless steel chimney of first reaction tower with the entry of second reaction tower passes through the adsorption tube intercommunication, one side that the adsorption tube is close to second reaction tower 4 is provided with the control valve, the control valve is controlled by the controller.
The first reaction tower 3 and the second reaction tower 4 have the same structure, and are respectively an inlet section, a reaction section and an outlet section from bottom to top, wherein the inlet section comprises an air inlet, air enters from the air inlet and then passes through a cylindrical pipe, and the cylindrical pipe is connected with a Venturi tube so that the air enters the Venturi tube in a vertical state. The section of the Venturi tube connected with the cylindrical tube is a contraction section, the section of the Venturi tube connected with the contraction section is a throat tube, the section of the Venturi tube connected with the throat tube is a diffusion tube, gas enters the reaction section through the diffusion tube, and a spray gun is arranged in the reaction section and sprays urea solution. And the outlet sections of the first reaction tower and the second reaction tower are provided with stainless steel chimneys. And the spray gun of the first reaction tower is communicated with the circulation tank 7 through a first flow control valve, the spray gun of the second reaction tower is connected with the circulation tank 7 through a second flow control valve, and the first flow control valve and the second flow control valve are controlled by the controller. The bottom of the first reaction tower and the bottom of the second reaction tower are also provided with a deposition pool which is communicated with the circulating tank 7 so as to facilitate the low-concentration urea solution after participating in the reaction to flow back to the circulating tank 7 for recycling.
The circulation tank 7 is connected with a dissolving tank 8, the dissolving tank 8 is communicated with the urea storage through a first regulating valve, and the dissolving tank 8 is communicated with the pH regulating liquid storage through a second regulating valve. And a pH sensor and a concentration detector are arranged in the circulating tank 7, and the pH sensor, the concentration detector, the first regulating valve and the second regulating valve are communicated with the controller.
One side that the adsorption tube is close to first reaction tower 3 is provided with first colorimetric sensor, one side that second reaction tower 4 is close to adsorber 5 is provided with the second colorimetric sensor, first colorimetric sensor and second colorimetric sensor all with the controller is connected, so that the controller is according to color comparison result automatic control first flow control valve and second flow control valve. The first colorimetric sensor and the second colorimetric sensor are sensors that are designed autonomously in order to implement monitoring of a nitrogen oxide removal effect according to an embodiment of the present invention, and have the same logical structure, as shown in fig. 2, and include:
and the reference value storage module is used for storing a preset colorimetric reference value. The colorimetric reference value is used for comparing with the color of the actually obtained picture, and the colorimetric reference value is used for representing the concentration of nitrogen oxides in the gas.
And the gas color picture acquisition module is used for acquiring a gas picture, and the picture is described by using RGB.
A picture region dividing module, configured to divide the obtained picture according to regions to obtain sub-pictures of N regions, where each pixel X in the sub-picturesiAre all passed through (r)i，gi，bi) To indicate.
And the region characteristic value acquisition module is used for acquiring the characteristic value of each sub-picture.
Specifically, the method for calculating the feature value includes:
according to formula k1ri+k2g2+k3b3Calculating a representative value for each pixel, where k1，k2，k3The weight coefficient for the three primary colors in obtaining the expression value is constant, where k is1，k2Are all greater than k3. In an alternative embodiment k1，k2，k3The values are 1.2, 0.8 and 0 respectively.
Obtaining the pixel X with the maximum expression values(rs，gs，bs)。
According to the formula
And acquiring a characteristic value, wherein t is a relative color coefficient.
And the characteristic value selection module is used for acquiring the maximum characteristic value.
And the colorimetric result output module is used for selecting a colorimetric reference value which is closest to the maximum characteristic value and transmitting the colorimetric reference value to the controller.
Specifically, the colorimetric reference value output by the first colorimetric sensor to the controller is a first reference value, the colorimetric reference value output by the second colorimetric sensor to the controller is a second reference value, and the controller executes the following logic according to the first reference value and the second reference value:
and judging whether the first reference value is greater than a first preset value and the second reference value is greater than a second preset value, if so, increasing the flow at the first flow control valve and the second flow control valve, and opening the second regulating valve and the first regulating valve.
And judging whether the first reference value is greater than a first preset value and the second reference value is not greater than a second preset value, if so, increasing the flow at the first flow control valve.
And judging whether the first reference value is not larger than a first preset value and the second reference value is not larger than a second preset value, if so, maintaining the flow at the first flow control valve and the second flow valve unchanged.
And judging whether the first reference value is not larger than a first preset value and the second reference value is larger than a second preset value, and if so, increasing the flow at the second flow valve.
In the embodiment of the invention, the higher the colorimetric reference value is, the higher the concentration of nitrogen oxide in the gas is. The first preset value is greater than the second preset value.
After the first regulating valve and the second regulating valve are opened, the high-concentration urea solution and the pH regulating liquid flow into the dissolving tank and then circulate in the circulating tank, and when the concentration of the urea solution in the circulating tank reaches 9% and the pH value is less than 3, the controller closes the first regulating valve and the second regulating valve and adjusts the first flow control valve and the second flow control valve to preset flow values.
The control logic has the functions of realizing automatic control of liquid components in the circulating tank and automatic control of the flow rates of the liquid sprayed by the spray gun in the first reaction tower and the spray gun in the second reaction tower, so that sufficient denitration reaction in the first reaction tower and the second reaction tower is ensured, and the content of nitrogen oxide in the gas discharged by the second reaction tower is ensured to be lower than a warning value.
In the embodiment of the invention, an adsorption pipe is further arranged between the first reaction tower and the second reaction tower, the adsorption pipe is a cylindrical pipeline formed by roasting through a continuous tunnel kiln, the adsorption pipe is formed by sintering a mixture formed by hydroxymethyl cellulose and a phenolic activated carbon fiber monomer, the length of the phenolic activated carbon fiber monomer is less than 7 mm, and the reason for using the phenolic activated carbon fiber monomer as a sintering component is that a fibrous microstructure is generated, so that the adsorption rate is improved. The total length of the adsorption pipeline is greater than 1 meter, the adsorption pipeline is arranged between the first reaction tower and the second reaction tower to adsorb impurities and water vapor in the gas, and the denitration efficiency in the second reaction tower is improved.
In an embodiment of the present invention, the adsorber uses mordenite as an adsorption main body, the microstructure of the mordenite is a honeycomb shape, and a coating layer containing nitrogen oxide adsorbent powder is formed on the cell surface of the honeycomb structure. The preparation method of the adsorption body is shown in fig. 3 and comprises the following steps:
mixing copper nitrate, cerium nitrate, zirconium nitrate and absolute ethyl alcohol to form a first solution;
mixing deionized water and citric acid to form a second solution;
pouring the first solution into a first reactor, introducing carbon dioxide into the first reactor until the pressure in the first reactor reaches 15 MPa, and controlling the temperature of the first reactor to be 150 ℃;
slowly introducing the supercritical carbon dioxide with the second solution into the first reactor and fully stirring to obtain a mixed solution;
and (2) immersing the mordenite with the honeycomb microstructure into the mixed solution for 1 hour, and then calcining for 1 hour at the temperature of 450 ℃ to obtain the adsorption main body.
The adsorption main body has high adsorption rate and can further absorb harmful substances in the gas, so that the gas exhausted from the chimney reaches the specified emission standard.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention, and it is therefore to be understood that the invention is not limited by the scope of the appended claims.
Claims (1)
1. A full-automatic nitrogen oxide removing device is characterized by comprising a gas collecting hood, a vapor-liquid separator, a first reaction tower, a second reaction tower, an absorber and a chimney which are sequentially communicated; a spray gun of the first reaction tower is communicated with the circulation tank through a first flow control valve, a spray gun of the second reaction tower is connected with the circulation tank through a second flow control valve, and the first flow control valve and the second flow control valve are controlled by the controller;
the circulating tank is connected with a dissolving tank, the dissolving tank is communicated with the urea storage through a first regulating valve, and the dissolving tank is communicated with the pH regulating liquid storage through a second regulating valve; a pH sensor and a concentration detector are arranged in the circulating tank, and the pH sensor, the concentration detector, the first regulating valve and the second regulating valve are all communicated with the controller;
a first colorimetric sensor is arranged on one side close to the first reaction tower, a second colorimetric sensor is arranged on one side close to the adsorber of the second reaction tower, and the first colorimetric sensor and the second colorimetric sensor are both connected with the controller, so that the controller can automatically control the first flow control valve and the second flow control valve according to a colorimetric result;
the first colorimetric sensor and the second colorimetric sensor have the same logical structure, and include:
the reference value storage module is used for storing a preset colorimetric reference value; the colorimetric reference value is used for comparing with the color of the actually obtained picture, and the colorimetric reference value is used for representing the concentration of nitrogen oxide in the gas;
the gas color picture acquisition module is used for acquiring a gas picture, and the picture is described by using RGB;
a picture region dividing module, configured to divide the obtained picture according to regions to obtain sub-pictures of N regions, where each pixel X in the sub-picturesiAre all passed through (r)i，gi，bi) To represent;
the region characteristic value acquisition module is used for acquiring the characteristic value of each sub-picture;
the method for calculating the characteristic value comprises the following steps:
according to formula k1ri+k2gi+k3biCalculating each imageExpression value of a hormone, wherein k1，k2，k3The weight coefficient for the three primary colors in obtaining the expression value is constant, where k is1，k2Are all greater than k3；
Obtaining the pixel X with the maximum expression values(rs，gs，bs)；
According to the formula
Acquiring a characteristic value, wherein t is a relative color coefficient;
the characteristic value selection module is used for acquiring a maximum characteristic value;
the colorimetric result output module is used for selecting a colorimetric reference value which is closest to the maximum characteristic value and transmitting the colorimetric reference value to the controller;
the colorimetric reference value output by the first colorimetric sensor to the controller is a first reference value, the colorimetric reference value output by the second colorimetric sensor to the controller is a second reference value, and the controller executes the following logic according to the first reference value and the second reference value:
judging whether the first reference value is greater than a first preset value and the second reference value is greater than a second preset value, if so, increasing the flow at the first flow control valve and the second flow control valve, and opening the second regulating valve and the first regulating valve;
judging whether the first reference value is greater than a first preset value and the second reference value is not greater than a second preset value, if so, increasing the flow at the first flow control valve;
judging whether the first reference value is not larger than a first preset value and the second reference value is not larger than a second preset value, if so, maintaining the flow at the first flow control valve and the second flow valve unchanged;
judging whether the first reference value is not larger than a first preset value and the second reference value is larger than a second preset value, and if so, increasing the flow at a second flow valve;
after the first regulating valve and the second regulating valve are opened, high-concentration urea solution and pH regulating liquid flow into the dissolving tank and then circulate in the circulating tank, and when the concentration of the urea solution in the circulating tank reaches 9% and the pH value is less than 3, the controller closes the first regulating valve and the second regulating valve and adjusts the first flow control valve and the second flow control valve to preset flow values;
an adsorption pipe is further arranged between the first reaction tower and the second reaction tower, the adsorption pipe is a cylindrical pipeline formed by roasting through a continuous tunnel kiln, the adsorption pipe is formed by sintering a mixture formed by hydroxymethyl cellulose and a phenolic activated carbon fiber monomer, the length of the phenolic activated carbon fiber monomer is less than 7 millimeters, and the reason for using the phenolic activated carbon fiber monomer as a sintering component is that a fibrous microstructure is generated, so that the adsorption rate is improved; the adsorber takes mordenite as an adsorption main body, and the preparation method of the adsorption main body comprises the following steps: mixing copper nitrate, cerium nitrate, zirconium nitrate and absolute ethyl alcohol to form a first solution; mixing deionized water and citric acid to form a second solution; pouring the first solution into a first reactor, introducing carbon dioxide into the first reactor until the pressure in the first reactor reaches 15 MPa, and controlling the temperature of the first reactor to be 150 ℃; slowly introducing the supercritical carbon dioxide with the second solution into the first reactor and fully stirring to obtain a mixed solution; and (2) immersing the mordenite with the honeycomb microstructure into the mixed solution for 1 hour, and then calcining for 1 hour at the temperature of 450 ℃ to obtain an adsorption main body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810891794.3A CN109012082B (en) | 2018-08-07 | 2018-08-07 | Full-automatic nitrogen oxide removing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810891794.3A CN109012082B (en) | 2018-08-07 | 2018-08-07 | Full-automatic nitrogen oxide removing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109012082A CN109012082A (en) | 2018-12-18 |
| CN109012082B true CN109012082B (en) | 2021-10-12 |
Family
ID=64649909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810891794.3A Active CN109012082B (en) | 2018-08-07 | 2018-08-07 | Full-automatic nitrogen oxide removing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109012082B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111450688A (en) * | 2020-04-10 | 2020-07-28 | 吉林省舒兰合成药业股份有限公司 | Tail gas absorption control system in production technology |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100815175B1 (en) * | 2007-05-29 | 2008-03-19 | (주)대우건설 | The method for nitrogen oxides and dioxins removal from exhaust gas using powder type impregnated Activated Carbon |
| CN102458585A (en) * | 2009-05-22 | 2012-05-16 | 3M创新有限公司 | Filter cartridge having cone of visibility for end-of-service-life-indicator (ESLI) |
| CN105536436A (en) * | 2015-12-25 | 2016-05-04 | 广东浚丰华科技有限公司 | Organic waste gas purification device and purification method aiming at asphalt processing production |
| CN207271034U (en) * | 2017-09-24 | 2018-04-27 | 河北旭杰环境工程有限公司 | VB12Produce the processing unit of tail gas |
| CN207439947U (en) * | 2017-11-20 | 2018-06-01 | 中国科学院大连化学物理研究所 | Toxic inorganic gas field quick detection system |
| CN108339422A (en) * | 2018-04-04 | 2018-07-31 | 哈尔滨理工大学 | A kind of urea mixed diluting system and its control method for SNCR denitration |
-
2018
- 2018-08-07 CN CN201810891794.3A patent/CN109012082B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100815175B1 (en) * | 2007-05-29 | 2008-03-19 | (주)대우건설 | The method for nitrogen oxides and dioxins removal from exhaust gas using powder type impregnated Activated Carbon |
| CN102458585A (en) * | 2009-05-22 | 2012-05-16 | 3M创新有限公司 | Filter cartridge having cone of visibility for end-of-service-life-indicator (ESLI) |
| CN105536436A (en) * | 2015-12-25 | 2016-05-04 | 广东浚丰华科技有限公司 | Organic waste gas purification device and purification method aiming at asphalt processing production |
| CN207271034U (en) * | 2017-09-24 | 2018-04-27 | 河北旭杰环境工程有限公司 | VB12Produce the processing unit of tail gas |
| CN207439947U (en) * | 2017-11-20 | 2018-06-01 | 中国科学院大连化学物理研究所 | Toxic inorganic gas field quick detection system |
| CN108339422A (en) * | 2018-04-04 | 2018-07-31 | 哈尔滨理工大学 | A kind of urea mixed diluting system and its control method for SNCR denitration |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109012082A (en) | 2018-12-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR20190027701A (en) | Method for controlling aerosol production during absorption in ammonia desulfurization | |
| CN103801176B (en) | A kind of ozone oxidation is in conjunction with the flue-gas denitration process of spraying cooling and device | |
| US20030228246A1 (en) | Flue gas desulfurization process and apparatus for removing nitrogen oxides | |
| CN105903330A (en) | System and method for efficient combined desulfurization and denitration | |
| Jia et al. | Simultaneous removal of SO 2 and NO x with ammonia absorbent in a packed column | |
| CN103505999A (en) | System and method for wet desulfurization and denitrification | |
| CN109012082B (en) | Full-automatic nitrogen oxide removing device | |
| CN108926957B (en) | Gas adsorption device | |
| CN108993108B (en) | Device for purifying nitrogen oxides in gas | |
| CN106268256B (en) | A kind of industrial waste gas plasma treatment process | |
| CN104056538A (en) | Flue gas purifying system and method with integration of desulfurization and denitrification | |
| CH698991B1 (en) | Exhaust gas flow cleaning method for use in cement clinker producing system in cement industry, involves spraying nitrogenous reducing agent downstream in exhaust gas flow, before exhaust gas flow reaches catalyzer | |
| CN105727965A (en) | Copper, zirconium, cerium and titanium composite oxide catalyst for flue gas denitrification and preparation method thereof | |
| CN107398165A (en) | A kind of desulfurizing and denitrifying process of boiler smoke | |
| CN106039913B (en) | A kind of flue gas purification system | |
| CN104772139A (en) | Preparation method of NH3-SCR through MnCeZr catalysts and application of method | |
| CN213995448U (en) | Low-nitrogen denitration device based on SCR method | |
| CN104492258A (en) | Two-stage SCR catalytic oxidation device | |
| CN103351024A (en) | Production process of ultrafine titanium dioxide especially used in flue gas denitration catalyst | |
| CN109432981A (en) | A kind of nitrogen-containing oxide exhaust treatment system and method | |
| CN211274179U (en) | Nitric acid chemical industry nitrogen oxide containing tail gas processing apparatus | |
| CN107469830A (en) | A kind of auto-exhaust catalyst based on perovskite structure and preparation method thereof | |
| CN210613358U (en) | Thermal power generating unit NOx discharges controlling means | |
| CN206935090U (en) | A kind of efficient denitrating tower | |
| CN219002558U (en) | Desulfurization and denitrification integrated treatment system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210519 Address after: 311200 no.287, Hongda Road, Qiaonan block, Xiaoshan Economic and Technological Development Zone, Hangzhou City, Zhejiang Province Applicant after: Hangzhou Yeguang Environmental Protection Technology Co.,Ltd. Address before: 325600 No. 48, Hong Dan Road, Hongqiao Town, Yueqing City, Wenzhou, Zhejiang. Applicant before: Cai Yumin |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |