CN110715551A - Ventilation device and method for preparing and calcining SCR (Selective catalytic reduction) honeycomb denitration catalyst - Google Patents
Ventilation device and method for preparing and calcining SCR (Selective catalytic reduction) honeycomb denitration catalyst Download PDFInfo
- Publication number
- CN110715551A CN110715551A CN201910926874.2A CN201910926874A CN110715551A CN 110715551 A CN110715551 A CN 110715551A CN 201910926874 A CN201910926874 A CN 201910926874A CN 110715551 A CN110715551 A CN 110715551A
- Authority
- CN
- China
- Prior art keywords
- flue gas
- temperature
- ventilation
- ventilation device
- control panel
- 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.)
- Pending
Links
- 238000009423 ventilation Methods 0.000 title claims abstract description 56
- 239000003054 catalyst Substances 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000001354 calcination Methods 0.000 title claims abstract description 24
- 238000010531 catalytic reduction reaction Methods 0.000 title claims abstract description 7
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 45
- 239000003546 flue gas Substances 0.000 claims abstract description 45
- 238000005485 electric heating Methods 0.000 claims abstract description 26
- 239000011148 porous material Substances 0.000 claims abstract description 24
- 230000008569 process Effects 0.000 claims abstract description 21
- 238000002360 preparation method Methods 0.000 claims abstract description 11
- 239000007789 gas Substances 0.000 claims description 34
- 238000001914 filtration Methods 0.000 claims description 10
- 239000000779 smoke Substances 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 9
- 239000007921 spray Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 206010021143 Hypoxia Diseases 0.000 description 1
- 238000013473 artificial intelligence Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 239000007809 chemical reaction catalyst Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B17/00—Furnaces of a kind not covered by any preceding group
-
- 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
- B01D46/54—Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms
- B01D46/543—Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms using membranes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D11/00—Arrangement of elements for electric heating in or on furnaces
- F27D11/02—Ohmic resistance heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
- F27D2019/0006—Monitoring the characteristics (composition, quantities, temperature, pressure) of at least one of the gases of the kiln atmosphere and using it as a controlling value
- F27D2019/0018—Monitoring the temperature of the atmosphere of the kiln
- F27D2019/0021—Monitoring the temperature of the exhaust gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
- F27D2019/0028—Regulation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The invention discloses a ventilation device and a ventilation method for preparing and calcining an SCR (selective catalytic reduction) honeycomb denitration catalyst, and belongs to the field of preparation of SCR honeycomb denitration catalysts. The invention designs the corresponding air flow guiding-out spray heads aiming at the honeycomb type denitration catalysts with different pore sizes, so as to more accurately and fully ventilate each pore channel of the honeycomb type denitration catalysts. The air blower with the frequency converter can provide stable and sufficient flue gas flow rate according to set requirements, and the PLC and the flue gas flow rate meter provide feedback, so that the output of the air blower is adjusted in real time. The ventilation device heats the temperature of the flue gas by an electric heating wire, and provides feedback through a PLC (programmable logic controller) and a thermocouple, so that the temperature of the flowing flue gas is consistent with the set temperature. The flue gas flows through the airflow rectification grating for rectification, so that the airflow becomes uniform and stable. The invention ensures that no ash core is generated in the honeycomb catalyst in the whole calcining process, and no fine cracks are generated, thereby being greatly helpful for improving the quality of the honeycomb catalyst.
Description
Technical Field
The invention belongs to the field of manufacturing of SCR (selective catalytic reduction) honeycomb denitration catalysts, and particularly relates to a ventilation device and a ventilation method for the preparation and calcination process of the SCR honeycomb denitration catalyst.
Background
At present, the domestic environment protection situation is severe, and corresponding national standards are provided for the energy industries such as large-scale coal burning, chemical engineering and the like. Flue gas denitration is a flue gas environment-friendly project which is mature in technology and applied for many years, most denitration routes of current industrial production are Selective Catalytic Reduction (SCR) denitration technologies, the technology needs SCR denitration reaction catalysts, and honeycomb type SCR denitration catalysts are one of the SCR denitration catalysts and are also widely applied. However, in the process of industrially producing the honeycomb type SCR denitration catalyst, due to poor ventilation in the calcination process and poor ventilation effect in the catalyst, the calcination effect is reduced to generate ash cores in the state of lacking air and oxygen, and the mechanical properties of the whole catalyst are greatly influenced by the ash core catalyst through experimental research and field operation reaction results, so that the catalyst is not beneficial to the safe use of the catalyst, and the performance of the catalyst regenerated by using the catalyst cannot be guaranteed.
To the above problems, the present application has made several designs, and at first, a set of intelligent temperature control system is configured, and the system can heat the gas entering the ventilation device, and can ensure that the temperature of the gas flow at the outlet of the device is consistent with the set value, and the sufficient gas with enough temperature can make the organic matters in the inner pore channel of the honeycomb catalyst completely react and flow out of the catalyst body along with the gas, so as not to generate 'ash core'. Secondly, a set of intelligent variable frequency fan power system is configured to provide stable and sufficient air flow for the ventilation device, the air flow condition in the environment is adapted at any time through the variable frequency device to control the self output, and the control panel in the intelligent smoke conveying control system controls the self output and can adjust the output of the air blower in real time. A filtering device is arranged in front of the blower to filter out impurities entering the ventilation device. And thirdly, configuring a set of gas rectification and gas flow leading-out system, rectifying the gas heated by the heating device to a certain temperature, so that the flow field becomes stable and uniform, and stably outputting the high-temperature gas through the gas flow leading-out nozzle. And finally, configuring a set of intelligent flue gas conveying control system, setting the temperature and the flue gas flow rate through a control panel, feeding back the temperature and the flue gas flow rate by means of a PLC control system and a frequency converter and a thermocouple electric heating device, and displaying the fed-back data such as the temperature, the flue gas flow rate and the like on the control panel.
Disclosure of Invention
The invention aims to solve the problem that organic matters in internal pore channels of a catalyst cannot be fully reacted and volatilized to generate 'ash cores' due to insufficient ventilation and oxygen deficiency of the internal pore channels in the preparation and calcination process of the SCR honeycomb denitration catalyst. By understanding the problems, the ventilation device and the ventilation method for the preparation and calcination process of the SCR honeycomb denitration catalyst are provided.
The technical scheme adopted by the invention for solving the problems is as follows: a ventilation device used in the preparation and calcination process of an SCR (selective catalytic reduction) honeycomb denitration catalyst comprises a ventilation device body and is characterized in that a filtering device is installed at the inlet of the ventilation device body, an air blower, an electric heating wire, an air flow rectifying grating, the electric heating wire and a flue gas velocity meter are sequentially arranged in the ventilation device body along the air flow direction, and an air flow guiding nozzle is arranged at the outlet of the ventilation device body; the air-blower is connected with the converter and connects, the below of electric heating wire and air current rectification grid is provided with the thermocouple respectively, the outside of ventilation unit body is provided with control panel, converter, air-blower, control panel, electric heating wire, thermocouple and flue gas velocity of flow appearance all are connected with the PLC controller.
Further, the airflow guiding-out spray head is provided with a porous spray nozzle.
Further, the control panel is a touch type control panel.
The device mainly provides sufficient high-temperature flowing air for the honeycomb catalyst in the calcining process, and the air can sufficiently pass through pore channels in the honeycomb catalyst, so that organic matters in the catalyst are sufficiently calcined, and an 'ash core' is not formed in the catalyst.
The intelligent temperature control system comprises an intelligent temperature controller, a heating sleeve, electric heating wires, a thermocouple, a heat preservation layer and the like, can realize that the temperature of gas flowing through the device reaches 300 ℃ to ~ 600 ℃, and ensures that the temperature of the gas flowing through the whole device is consistent with the temperature of the original flue gas in the calcining reaction furnace, so that the temperature of the flue gas flowing through each pore passage and each section of the catalyst is consistent, the heating state of each electric heating wire in the device is constantly adjusted through the temperature measuring point feedback of the thermocouple, and the temperature in the whole device system is consistent.
The gas rectification and gas flow guiding system comprises a gas flow rectification grating, a gas flow guiding spray head, a gas pipeline and the like, high-temperature flow equalizing gas generated in a ventilation device is blown into a pore channel of a catalyst, and the corresponding gas flow guiding spray head is designed corresponding to common catalysts with different pore sizes, such as 16 pores, 18 pores, 20 pores and the like, so that the sufficiency of gas entering the pore channel and the proper temperature are ensured.
The airflow rectifying grating is mainly used for enabling the flow velocity of the gas in the device to be uniform, and when the gas is led out of the spray heads through the airflow, the pressure at each spray head is the same, so that the flow velocity of the gas is the same when the gas is sprayed out of the spray heads and enters the catalyst pore channels; the material of the airflow rectification grating can be selected from a smooth stainless steel porous material which is processed, and the intelligent temperature control system is used for preserving the heat of the gas in the device.
The intelligent frequency conversion fan power system comprises a frequency converter, a blower, a gas filtering device, a fixing device and the like, provides power for guiding out flue gas, and can accurately and stably provide the flue gas volume of specified flow speed. The output of the blower is changed through the frequency converter, and the gas quantity and the gas flow speed are changed. In the whole calcining process, the flue gas amount required to enter the catalyst pore channel is different, so that the frequency converter is used for controlling the blower, thereby controlling the air amount. Since the ventilating device is used in a high temperature and corrosive environment because the operating environment is special, a filtering device is required in front of the blower to filter the gas entering the blower and prevent impurities such as corrosive gas from damaging the device.
The filter device is mainly used for front-end filtration of inlet air, and is applied to the catalyst calcination process, and some impurity gases, usually corrosive and some dust, generated after calcination from the surface of the catalyst exist in the calcination environment. The filtering device can filter out corrosive gas and dust, so that the purity of gas entering the device is ensured, and the device is convenient to use for a long time; the filter device is usually provided with a filter membrane, and corrosive gas and dust are filtered under the condition of not great resistance.
The frequency converter mainly determines the output of the air blower, and the frequency converter can adjust the air speed and the air quantity through frequency conversion according to an instruction sent by the control panel. Thus, the air speed and the air quantity of the ventilation device can be adjusted during the whole calcining process. The frequency converter can achieve the effects of saving energy and controlling the output of the air blower.
Control system is carried to intelligence flue gas, including the PLC controller, control panel, the equipment connecting wire, control power etc, input relevant parameter on control panel, send corresponding instruction and receive the feedback through the PLC controller, predetermine the temperature control heating device and keep the temperature in the whole device system through intelligent temperature control system unanimous with setting up all the time, the last velocity of flow of setting for the fan of control panel, thereby control the air-blower through PLC controller send control and exert oneself, the control flue gas velocity of flow.
The PLC controller is connected with the control panel, the control panel sends out a preset temperature instruction, the heating device is opened under the control of the PLC, the thermocouple feeds back the temperature of each part in the ventilation device system, and the intelligent temperature control system adjusts and keeps the temperature of each part in the device consistent with the set temperature. The control panel controls and sets for the ventilation velocity of flow, thereby gives the instruction of converter through PLC control and controls the air-blower and exert oneself, and the flue gas velocity of flow appearance feeds back the ventilation velocity of flow through PLC simultaneously and goes up to control panel.
The working method of the ventilating device used in the preparation and calcination process of the SCR honeycomb denitration catalyst is characterized by comprising the following steps: firstly, inputting the temperature of flue gas in a furnace or the temperature of the flue gas at the outlet of a required ventilation device body in a control panel, controlling an electric heating wire to start heating through a PLC (programmable logic controller), and keeping the temperature of the whole ventilation device body consistent and unchanged after the preset temperature is reached; the whole device finishes preheating, then inputs the required ventilation speed through the control panel, provides the required blast power by the air blower and changes the size of the ventilation speed in real time through the frequency converter, the flue gas enters the ventilation device body through the filter device, and is preheated and rectified through the air blower, the electric heating wire, the airflow rectifying grating and the electric heating wire in sequence, and then the flue gas with the preheated temperature is uniformly sprayed out of the airflow guiding nozzle and enters the inside of the pore passage of the catalyst; finally, the whole system is controlled and fed back by the PLC, the flue gas temperature, the flue gas flow rate and the ventilation time can be set on the control panel, and continuous adjustment is carried out through signal feedback of the PLC and each device, so that the ventilation temperature and the flow rate are kept consistent with the set values.
Compared with the prior art, the invention has the following advantages and effects: the invention has the advantages of artificial intelligence of the system, uniform and stable flue gas output, stable and linear flue gas temperature, and accurate and stable introduction of high-temperature flue gas into the pore canal of the honeycomb catalyst, so that no ash core and no fine cracks are generated in the honeycomb catalyst in the whole calcining process, thereby greatly contributing to the improvement of the quality of the honeycomb catalyst and having wide application prospect.
Drawings
Fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.
Fig. 2 is a schematic structural diagram of an air flow outlet nozzle in an embodiment of the invention.
In the figure: the device comprises a filtering device 1, a frequency converter 2, an air blower 3, a control panel 4, a PLC (programmable logic controller) 5, an electric heating wire 6, a thermocouple 7, an airflow rectifying grating 8, a flue gas velocity meter 9, an airflow guiding-out nozzle 10, a ventilating device body 11 and a nozzle 12.
Detailed Description
The present invention will be described in further detail below by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not to be construed as limiting the present invention.
Referring to fig. 1 to 2, the ventilating device used in the preparation and calcination process of the SCR honeycomb denitration catalyst in the present embodiment includes a ventilating device body 11, a filtering device 1 is installed at an inlet of the ventilating device body 11, an air blower 3, an electric heating wire 6, an air flow rectification grid 8, the electric heating wire 6 and a flue gas velocity meter 9 are sequentially arranged in the ventilating device body 11 along an air flow direction, and an air flow outlet nozzle 10 is arranged at an outlet of the ventilating device body 11; the air blower 3 is connected with the frequency converter 2, the thermocouples 7 are respectively arranged below the electric heating wire 6 and the airflow rectifying grating 8, the control panel 4 and the frequency converter 2 are arranged outside the ventilation device body 11, and the frequency converter 2, the air blower 3, the control panel 4, the electric heating wire 6, the thermocouples 7 and the flue gas velocity meter 9 are all connected with the PLC 5.
In this embodiment, the airflow guiding-out nozzle 10 is provided with a multi-hole nozzle 12, and the control panel 4 is a touch control panel.
The implementation process comprises the following steps: firstly, aiming at SCR honeycomb type denitration catalysts with different pore sizes, designing airflow guiding-out nozzles 10 with required pore numbers, such as airflow guiding-out nozzles 10 suitable for ventilation devices, such as 16 pores, 18 pores, 20 pores and the like, and selecting and installing the appropriate airflow guiding-out nozzles 10 on the ventilation devices before using the ventilation devices. Set for temperature and flue gas velocity of flow on tangible formula control panel 4, click the operation, preheat ventilation unit by intelligent temperature control system, through thermocouple 7 feedback ventilation unit internal temperature, feedback to control panel 4 by PLC controller 5 on, and whether intelligent recognition reaches preset temperature, after the temperature reaches preset temperature, the process of preheating finishes, give converter 2 by PLC controller 5 give instruction, start air-blower 3, detect the flue gas velocity of flow by flue gas velocity of flow appearance 9 and feed back to control panel 4 through PLC controller 5, and intelligent recognition and the difference of setting for flue gas velocity of flow, exert oneself through converter 2 real-time control air-blower 3, so that the flue gas velocity of flow accords with the setting value. The flue gas filters through entry filter equipment 1 earlier before entering the device, and clean flue gas passes through air-blower 3 and gets into ventilation unit, and the air current rectification grid 8 carries out the rectification stationary flow after rising the temperature under the effect of heating electric heating wire 6 for the flue gas becomes evenly. In the process, the temperature of the smoke may be reduced, thermocouples 7 arranged at different stages in the ventilation device detect the temperature of the smoke in real time and feed the smoke back to the control panel 4 through the PLC 5, if the temperature is reduced, an electric heating wire 6 at the rear end of an airflow rectifying grating 8 is started, and after the smoke is heated again, the smoke is continuously and stably ejected from an airflow guiding nozzle 10. After the use is finished, the stop button is clicked through the control panel 4, then all the electric heating wires 6 in the ventilation device stop heating, the air blower 3 automatically adjusts to the maximum output force, so that the internal temperature of the device is rapidly reduced, and the air blower 3 stops working when the internal temperature of the device is reduced to be basically the same as the external room temperature.
Those not described in detail in this specification are well within the skill of the art.
Although the present invention has been described with reference to the above embodiments, it should be understood that the scope of the present invention is not limited thereto, and that various changes and modifications can be made by those skilled in the art without departing from the spirit and scope of the present invention.
Claims (4)
1. A ventilation device used in the preparation and calcination process of an SCR (selective catalytic reduction) honeycomb denitration catalyst comprises a ventilation device body (11) and is characterized in that a filtering device (1) is installed at an inlet of the ventilation device body (11), a blower (3), an electric heating wire (6), an air flow rectifying grid (8), the electric heating wire (6) and a flue gas velocity meter (9) are sequentially arranged in the ventilation device body (11) along the air flow direction, and an air flow guiding nozzle (10) is arranged at an outlet of the ventilation device body (11); air-blower (3) are connected with converter (2) and connect, electric heating wire (6) and the below of air current rectification grid (8) are provided with thermocouple (7) respectively, the outside of ventilation unit body (11) is provided with control panel (4), converter (2), air-blower (3), control panel (4), electric heating wire (6), thermocouple (7) and flue gas velocity of flow appearance (9) all are connected with PLC controller (5).
2. The ventilating device for the preparation and calcination process of the SCR honeycomb type denitration catalyst according to claim 1, wherein the gas flow outlet nozzle (10) is provided with a porous nozzle (12).
3. The ventilation device used in the preparation and calcination process of the SCR honeycomb denitration catalyst of claim 1, wherein the control panel (4) is a touch control panel.
4. A method for operating the ventilating device for the preparation and calcination process of the SCR honeycomb denitration catalyst according to any one of claims 1 to 3, characterized by comprising: firstly, inputting the temperature of smoke in a furnace or the temperature of smoke at the outlet of a required ventilation device body (11) into a control panel (4), controlling an electric heating wire (6) to start heating through a PLC (programmable logic controller) (5), and keeping the temperature of the whole ventilation device body (11) consistent and unchanged after the preset temperature is reached; the whole device is preheated, then the required ventilation speed is input through a control panel (4), the required blast output is provided by an air blower (3), the ventilation speed is changed in real time by a frequency converter (2), the smoke enters a ventilation device body (11) through a filtering device (1), and is preheated and rectified by the air blower (3), an electric heating wire (6), an airflow rectifying grating (8) and the electric heating wire (6) in sequence, and then the preheated smoke is uniformly sprayed out of an airflow guiding nozzle (10) and enters the inside of a pore channel of a catalyst; and finally, the whole system is controlled and fed back by the PLC (5), the flue gas temperature, the flue gas flow rate and the ventilation time can be set on the control panel (4), and continuous adjustment is carried out through signal feedback of the PLC (5) and each device, so that the ventilation temperature and the flow rate are kept consistent with set values.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910926874.2A CN110715551A (en) | 2019-09-27 | 2019-09-27 | Ventilation device and method for preparing and calcining SCR (Selective catalytic reduction) honeycomb denitration catalyst |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910926874.2A CN110715551A (en) | 2019-09-27 | 2019-09-27 | Ventilation device and method for preparing and calcining SCR (Selective catalytic reduction) honeycomb denitration catalyst |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110715551A true CN110715551A (en) | 2020-01-21 |
Family
ID=69211085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910926874.2A Pending CN110715551A (en) | 2019-09-27 | 2019-09-27 | Ventilation device and method for preparing and calcining SCR (Selective catalytic reduction) honeycomb denitration catalyst |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110715551A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111298644A (en) * | 2020-03-11 | 2020-06-19 | 安徽艾可蓝环保股份有限公司 | DPF high-temperature regeneration furnace and DPF high-temperature regeneration furnace exhaust purification method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1883728A (en) * | 2006-07-05 | 2006-12-27 | 南京工业大学 | Multifunctional fire safety experiment system |
| CN101474565A (en) * | 2009-01-06 | 2009-07-08 | 上海瀛正科技有限公司 | Honeycomb type SCR denitration catalyst as well as preparation method thereof and equipment |
| CN201399345Y (en) * | 2009-03-05 | 2010-02-10 | 无锡市宜刚耐火材料有限公司 | Calciner for producing honeycomb type fume denitration catalyzer |
| CN104965050A (en) * | 2015-06-25 | 2015-10-07 | 苏州西热节能环保技术有限公司 | Full-size flue gas denitrification catalytic performance detecting device and method |
| CN108283888A (en) * | 2018-03-27 | 2018-07-17 | 易能环境技术有限公司 | A kind of equipment for denitrifying flue gas and its method of denitration |
| CN208460297U (en) * | 2018-01-31 | 2019-02-01 | 中国计量大学 | A kind of liftable change Sloping Tunnels fire disaster simulation device |
| CN110243638A (en) * | 2019-05-17 | 2019-09-17 | 华电电力科学研究院有限公司 | A kind of smoke collecting apparatus and method for SCR denitration device |
| CN211717165U (en) * | 2019-09-27 | 2020-10-20 | 华电电力科学研究院有限公司 | Ventilation device used in preparation and calcination processes of SCR honeycomb denitration catalyst |
-
2019
- 2019-09-27 CN CN201910926874.2A patent/CN110715551A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1883728A (en) * | 2006-07-05 | 2006-12-27 | 南京工业大学 | Multifunctional fire safety experiment system |
| CN101474565A (en) * | 2009-01-06 | 2009-07-08 | 上海瀛正科技有限公司 | Honeycomb type SCR denitration catalyst as well as preparation method thereof and equipment |
| CN201399345Y (en) * | 2009-03-05 | 2010-02-10 | 无锡市宜刚耐火材料有限公司 | Calciner for producing honeycomb type fume denitration catalyzer |
| CN104965050A (en) * | 2015-06-25 | 2015-10-07 | 苏州西热节能环保技术有限公司 | Full-size flue gas denitrification catalytic performance detecting device and method |
| CN208460297U (en) * | 2018-01-31 | 2019-02-01 | 中国计量大学 | A kind of liftable change Sloping Tunnels fire disaster simulation device |
| CN108283888A (en) * | 2018-03-27 | 2018-07-17 | 易能环境技术有限公司 | A kind of equipment for denitrifying flue gas and its method of denitration |
| CN110243638A (en) * | 2019-05-17 | 2019-09-17 | 华电电力科学研究院有限公司 | A kind of smoke collecting apparatus and method for SCR denitration device |
| CN211717165U (en) * | 2019-09-27 | 2020-10-20 | 华电电力科学研究院有限公司 | Ventilation device used in preparation and calcination processes of SCR honeycomb denitration catalyst |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111298644A (en) * | 2020-03-11 | 2020-06-19 | 安徽艾可蓝环保股份有限公司 | DPF high-temperature regeneration furnace and DPF high-temperature regeneration furnace exhaust purification method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106287758B (en) | High-temperature incineration low-temperature catalytic waste gas treatment and utilization system | |
| CN201399345Y (en) | Calciner for producing honeycomb type fume denitration catalyzer | |
| CN104056542B (en) | A kind of SNCR denitration method and device thereof | |
| CN110715551A (en) | Ventilation device and method for preparing and calcining SCR (Selective catalytic reduction) honeycomb denitration catalyst | |
| CN211717165U (en) | Ventilation device used in preparation and calcination processes of SCR honeycomb denitration catalyst | |
| CN204369580U (en) | A kind of urea pyrolysis ammonia system | |
| CN104190405B (en) | A kind of calendering process of SCR honeycomb denitrating catalyst | |
| CN212091684U (en) | Prevent blockking up direct pyrolysis urea ammonia making device of flue gas | |
| CN109737433A (en) | A kind of small-sized organic waste gas treatment method and device | |
| CN207247227U (en) | A kind of humidity control system of RTO oxidation furnaces | |
| CN204412055U (en) | A kind of dore furnace flue gas SNCR denitration device reducing agent high-efficiency atomizer | |
| CN108436068A (en) | A kind of high efficiency smart bakes bag apparatus and its application method | |
| CN108151035A (en) | A kind of electric heating oxidation VOCs devices and processing method | |
| CN108149000A (en) | A kind of energy-saving continuous heat system and its heat treatment method | |
| CN208090696U (en) | Regenerative Combustion System high-temperature gas jet stream mixes bellows | |
| CN110030567A (en) | A kind of organic waste gas catalytic combustion integrated apparatus | |
| CN205155986U (en) | Controllable catalytic combustion of organic exhaust gas processing apparatus of temperature | |
| CN107815556B (en) | A kind of activation device and method of water quenching nickel | |
| CN207468697U (en) | A kind of activation device of water quenching nickel | |
| CN103463930A (en) | Adsorption bed with controllable output concentration | |
| CN103508457B (en) | Production equipment containing multiple stage polycrystalline silicon decomposing furnace and working method | |
| CN109579554B (en) | Integrated furnace for calcining chemical catalyst and decomposing gas for burning | |
| CN201662083U (en) | Cast stone roller kiln pulse ratio burning control system | |
| CN209013701U (en) | The energy saving drying chamber of system lid | |
| CN208362405U (en) | A kind of interior heating air ducting of solid smelting furnace |
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 |