CN109718665A - Combustion engine denitrification catalyst module - Google Patents
Combustion engine denitrification catalyst module Download PDFInfo
- Publication number
- CN109718665A CN109718665A CN201910119920.8A CN201910119920A CN109718665A CN 109718665 A CN109718665 A CN 109718665A CN 201910119920 A CN201910119920 A CN 201910119920A CN 109718665 A CN109718665 A CN 109718665A
- Authority
- CN
- China
- Prior art keywords
- catalyst
- cabinet
- bottom plate
- group
- combustion engine
- 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.)
- Withdrawn
Links
Landscapes
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The present invention relates to generally characterized by its form or physical property catalyst field more particularly to a kind of combustion engine denitrification catalyst module comprising catalyst group, cabinet and more changing device；Catalyst group is mounted on more changing device, and more changing device is located in the box body；Catalyst group includes two half group of catalyst, if half group of catalyst is made of the arrangement of dry catalyst monolithic array, the both ends of the surface of each catalyst monomer are inclined-plane, cabinet is the rectangular frame structure of both ends open, the both ends of opening have and the consistent tilt angle in catalyst monomer end face, more changing device includes bottom plate, column and driving device, combustion engine denitrification catalyst module involved in the invention, it is big to solve traditional catalyst arrangement volume in the prior art, resistance is relatively high, catalyst denitration performance does not give full play to, and the problem of installation of catalyst group and replacement low efficiency.
Description
Technical field
The present invention relates to generally characterized by its form or physical property catalyst field more particularly to a kind of combustion engine it is de-
Denox catalyst module.
Background technique
As Environmental Protection in China policy is constantly reinforced, SCR denitration technology obtains mature popularization and application, steel in Thermal Power Generation Industry
The industries such as iron, coking and distributed energy just carry out minimum discharge transformation, but SCR denitration technology does not have in the non-electrical industry such as steel
Too many mature experience also needs further to be studied, optimize as reference.Core of the SCR denitration module as SCR technology
Center portion part, the superiority and inferiority of performance directly determine the overall performance of SCR denitration system.
The mode that traditional SCR denitration module generally takes cell cube to arrange in the same plane, the arrangement
Mode exists small with catalyst arrangement volume in homalographic Benitration reactor, resistance is relatively high, catalyst denitration performance not
The problem of giving full play to, and there are pressure differences after flue gas ejection, and flue gas cannot evacuate circulation in time, so that the flowing of flue gas
Property is poor, influences catalytic effect.
During catalyst is installed and used, the catalyst monomer produced directly typically is mounted on catalysis cabinet
It is interior, cabinet is catalyzed in order to guarantee that flue gas does not leak, and typically integrated closure is preferable, therefore catalyst is being mounted on case
Majority is slowly piled up from cabinet one end during intracorporal, this installation process is time-consuming and laborious, and the neat degree installed
And mutual seal degree also directly affects the catalytic effect of catalyst, therefore, the integral installation of catalyst module with
And replacement efficiency is urgently promoted.
Summary of the invention
The main purpose of the present invention is to provide a kind of combustion engine denitrification catalyst modules, are urged with solving tradition in the prior art
Agent arranges that volume is small, and resistance is relatively high, catalyst denitration performance does not give full play to, and catalyst installation and replacement efficiency
Low problem.
To achieve the goals above, the following technical solution is employed by the present invention:
A kind of combustion engine denitrification catalyst module comprising catalyst group, cabinet and more changing device；Catalyst group is mounted on
On more changing device, more changing device is located in the box body；
Catalyst group includes two half group of catalyst, if half group of catalyst is made of the arrangement of dry catalyst monolithic array, often
The both ends of the surface of a catalyst monomer are inclined-plane；The tilt angle at half group of both ends of catalyst and each catalyst monomer end slope
Angle is consistent, and shape forms an angle between two half group of catalyst, and catalyst group is integrally in ridge-shaped；
Cabinet is the rectangular frame structure of both ends open, and the both ends of opening have and the consistent inclination in catalyst monomer end face
Four peripheries of angle, the smoke inlet side of cabinet have baffle, and baffle is tilted a certain angle towards box house；Cabinet
Fixed block is installed close to smoke inlet side on the inside of bottom surface, has circular counter bore on fixed block, bottom surface outlet flue side
Stretch out the outer certain distance of cabinet；
More changing device includes bottom plate, column and driving device, and bottom plate two sides are separately installed with two columns, bottom plate and drive
Dynamic device connection, driven by the driving device, more changing device moves in cabinet.
Further, driving device includes screw rod, retarder and motor, and motor connects retarder, retarder output end
It is connect with screw rod.
Further, drive block is had in the middle part of bottom plate lower end, drive block and bottom plate are integrally formed, and are had on drive block and spiral shell
The threaded hole that bar matches, threaded hole of the screw rod on drive block, the other end are against in the counterbore of fixed block, and motor operates band
Dynamic screw rod rotation, and then drive bottom plate along screw motion.
Further, the lower end of bottom plate is equipped with idler wheel, and the bottom of box is provided with track corresponding with idler wheel, and idler wheel is in-orbit
It is movable in road.
Further, connecting rod is connected between two columns of bottom panel side, connecting rod is located on the outside of column.
Further, the side of box house is provided with groove, and the size and height of groove are corresponding with connecting rod.
Further, band is there are two positive stop strip on bottom plate, angle between positive stop strip and opposite between half group of catalyst
Angle is consistent.
Further, angle is 60-180 degree between two half group of catalyst.
It further, is to be detachably connected between column and bottom plate.
Further, the length that the lower plate outlet flue side of cabinet is stretched out outside cabinet is greater than the length of bottom plate.
The invention has the following advantages:
(1) the combustion engine denitrification catalyst module, the smoke inlet and outlet side of catalyst monomer, which have, certain to incline
Rake angle, the angle between half group of catalyst of catalyst monomer composition also at an angle, the structure of this catalyst and
Arrangement arrangement can effectively increase flue gas 30% or more catalyst elements sectional area of circulation, so that system pressure be effectively reduced
Loss；
(2) invention is provided with more changing device, can portion be in directly outside the enclosure predetermined structure by the arrangement of catalyst monomer
Catalyst group, install it is more efficient and convenient, the linking between catalyst elements is also even closer, and installation effect is more preferable, is urging
After the failure of agent monomer, replacement is also more easier, and improves work efficiency, uses manpower and material resources sparingly；
(3) four peripheries of the smoke inlet side of cabinet have baffle, carry sealing function, directly the weldering of reduction intermodule
Seal operation amount is connect, flue gas is entered to the greatest extent in catalyst group, avoids flue gas without catalytic denitration direct emission.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is catalyst group structural schematic diagram；
Fig. 3 is catalyst monomer structure schematic diagram；
Fig. 4 is cabinet front end perspective view；
Fig. 5 is cabinet rear stereogram；
Fig. 6 is replacement apparatus structure schematic diagram；
Fig. 7 is more changing device and catalyst group scheme of installation；
Wherein, the above drawings include the following reference numerals: 1, cabinet；11, baffle；12, groove；13, track；14, lower plate；
15, fixed block；2, catalyst group；21, half group of catalyst；22, catalyst monomer；3, more changing device；31, column；32, it drives
Block；33, idler wheel；34, connecting rod；35, bottom plate；36, positive stop strip；4, screw rod.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings.
As shown in figs. 1-7, combustion engine denitrification catalyst module of the present invention comprising catalyst group 2, cabinet 1 and
More changing device 3；Catalyst group is mounted on more changing device, and more changing device is located in the box body；
Catalyst group include two half group 21 of catalyst, if half group of catalyst by 22 array arrangement group of dry catalyst monomer
At the both ends of the surface of each catalyst monomer are inclined-plane；The tilt angle at half group of both ends of catalyst and each catalyst monomer end
Face tilt angle is consistent, and shape forms an angle between two half group of catalyst, and angle is 60-180 between two half group of catalyst
Degree, catalyst group is integrally in ridge-shaped；
More changing device includes that bottom plate 35, column 31 and driving device, bottom plate are connect with driving device, in driving device
Under drive, more changing device moves in cabinet.
Driving device includes screw rod 4, retarder and motor, and motor connects retarder, and retarder output end and screw rod connect
It connects, the material of screw rod need to use high-strength metal material, meet force request.
Cabinet is the rectangular frame structure of both ends open, and the both ends of opening have and the consistent inclination in catalyst monomer end face
Angle, four peripheries of the smoke inlet side of cabinet have a baffle 11, the size of the baffle of surrounding according to cabinet with more change the outfit
Gap between setting determines that the bottom plate of cabinet lower end should be ensured that the idler wheel that can be blocked when more changing device is located at foremost position
And bottom plate position, prevent flue gas from flowing out from bottom plate lower end, baffle is tilted a certain angle towards box house, to reduce to cigarette
The resistance of gas preferably stops flue gas to flow out from the gap between cabinet and more changing device, makes flue gas from urging to greatest extent
Pass through in agent group, increases catalytic effect.
Fixed block 15 is installed close to smoke inlet side on the inside of the bottom surface of cabinet, has circular counter bore on fixed block；
The side of box house is provided with groove 12, and the size and height of groove are corresponding with connecting rod, and the lower plate 14 of cabinet is located at smoke
Cabinet a distance is stretched out in the side of mouth, and the length of stretching is greater than the longitudinal length of bottom plate, convenient for bottom plate pumping when replacement
It out after cabinet, is also maintained in the lower plate of cabinet, directly more catalyst changeout group.
Bottom plate two sides are separately installed with two columns, are detachably connected between column and bottom plate；Two of bottom panel side
Connecting rod 34 is connected between column, connecting rod is located on the outside of column；Column can be by side during installing catalyst group
Column and connecting rod disassemble, and so as to easy for installation, after being installed, column and connecting rod are reinstalled, and fixed catalyst group makes
It obtains catalyst group to shift during as bottom plate moves, plays the role of reinforcing.With the movement of bottom plate, connecting rod exists
It is moved in the groove of body side, play the role of guiding and improves robust motion.
Drive block 32 is had in the middle part of bottom plate lower end, drive block and bottom plate are integrally formed, have on drive block and match with screw rod
The threaded hole of conjunction, threaded hole of the screw rod on drive block, the other end are against in the counterbore of fixed block, and motor operating drives screw rod
Rotation, screw rod rotates so that drive block generates relative movement on screw rod, and then drives bottom plate movement；
The lower end of bottom plate is equipped with idler wheel 33, and the bottom of box is provided with track 13 corresponding with idler wheel, and idler wheel is in orbit
Activity, for band there are two positive stop strip 36, the angle between positive stop strip is consistent with the relative angle between half group of catalyst on bottom plate, uses
In installation site of the limiting catalyst group on bottom plate.
It is of the invention use process is as follows described: according to the longitudinal length of the length of cabinet and catalyst group, set in advance
Set the movement velocity and runing time of motor, to accurately control the move distance of more changing device, installation catalyst group it
Before, more changing device is extracted out outside cabinet, but is always positioned in the lower plate of cabinet, will be under the column of bottom plate side and connecting rod disassembly
After coming, catalyst monomer is combined into half group of catalyst according to the consistent tilt angle in monomer end face, two catalyst half
Between group at an angle, cabinet is fixed on combustion engine outlet flue side and pacifies column and connecting rod after the combination of catalyst group is completed
It loads onto, starts motor, motor drives screw rod rotation, and bottom plate moves advance under the mutual cooperation with screw rod, rolls in motion process
Wheel moves in track, and connecting rod moves in the groove of body side, this makes the movement more steady and smooth of more changing device,
Catalyst group is prevented to be subjected to displacement during the motion, after more changing device moves to position, entire combustion engine denitrating catalyst mould
BOB(beginning of block) work.
Certainly, above content is only presently preferred embodiments of the present invention, be should not be construed as limiting to implementation of the invention
Example range.The present invention is also not limited to the example above, and those skilled in the art are in essential scope of the invention
Interior made all the changes and improvements etc., should all belong in patent covering scope of the invention.
Claims (10)
1. a kind of combustion engine denitrification catalyst module, which is characterized in that including catalyst group (2), cabinet (1) and more changing device
(3)；Catalyst group (2) is mounted on more changing device (3), and more changing device (3) is located in cabinet (1)；
Catalyst group (2) includes two half group of catalyst (21), and half group of catalyst (21) if by dry catalyst monomer (22) array
Arrangement composition, the both ends of the surface of each catalyst monomer (22) are inclined-plane；The tilt angle at half group of catalyst (21) both ends and every
A catalyst monomer (22) end slope angle is consistent, and shape forms an angle between two half group of catalyst (21), catalyst group
(2) whole inclined ridge-shaped；
Cabinet (1) is the rectangular frame structure of both ends open, and the both ends of opening have consistent with catalyst monomer (22) end face
Four peripheries of tilt angle, the smoke inlet side of cabinet (1) have baffle (11), and baffle (11) is internal towards cabinet (1)
It is tilted a certain angle；It is equipped with fixed block (15) on the inside of the bottom surface of cabinet (1) close to smoke inlet side, on fixed block (15)
With circular counter bore, cabinet (1) outer certain distance is stretched out in lower plate (14) outlet flue side；
More changing device (3) includes bottom plate (35), column (31) and driving device, and bottom plate (35) two sides are separately installed with two and stand
Column (31), bottom plate (35) is connect with driving device, driven by the driving device, and more changing device (3) moves in cabinet (1).
2. combustion engine denitrification catalyst module according to claim 1, which is characterized in that driving device includes screw rod (4), subtracts
Fast device and motor, motor connect retarder, and retarder output end is connect with screw rod (4).
3. combustion engine denitrification catalyst module according to claim 1, which is characterized in that with drive in the middle part of bottom plate (35) lower end
Motion block (32), drive block (32) and bottom plate (35) are integrally formed, with the screw thread matched with screw rod (4) on drive block (32)
Hole, threaded hole of the screw rod (4) on drive block (32), the other end are against in the counterbore of fixed block (15), and motor operating drives
Screw rod (4) rotation, and then bottom plate (35) is driven to move along screw rod (4).
4. combustion engine denitrification catalyst module according to claim 1, which is characterized in that the lower end of bottom plate (35) is equipped with rolling
It takes turns (33), cabinet (1) bottom is provided with track (13) corresponding with idler wheel (33), and idler wheel (33) is movable in track (13).
5. combustion engine denitrification catalyst module according to claim 1, which is characterized in that two columns of bottom plate (35) side
(31) it is connected between connecting rod (34), connecting rod (34) is located on the outside of column (31).
6. combustion engine denitrification catalyst module according to claim 5, which is characterized in that the internal side of cabinet (1) is provided with
Groove (12), the size and height of groove (12) are corresponding with connecting rod (34).
7. combustion engine denitrification catalyst module according to claim 1, which is characterized in that there are two limits for band on bottom plate (35)
Item (36), the angle between positive stop strip (36) are consistent with the relative angle between half group of catalyst (21).
8. combustion engine denitrification catalyst module according to claim 1, which is characterized in that between two half group of catalyst (21)
Angle is 60-180 degree.
9. combustion engine denitrification catalyst module according to claim 1, which is characterized in that between column (31) and bottom plate (35)
To be detachably connected.
10. combustion engine denitrification catalyst module according to claim 1, which is characterized in that lower plate (14) smoke of cabinet (1)
The length that the length of cabinet (1) outside is greater than bottom plate (35) is stretched out in mouth side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910119920.8A CN109718665A (en) | 2019-02-18 | 2019-02-18 | Combustion engine denitrification catalyst module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910119920.8A CN109718665A (en) | 2019-02-18 | 2019-02-18 | Combustion engine denitrification catalyst module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109718665A true CN109718665A (en) | 2019-05-07 |
Family
ID=66301401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910119920.8A Withdrawn CN109718665A (en) | 2019-02-18 | 2019-02-18 | Combustion engine denitrification catalyst module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109718665A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111514827A (en) * | 2020-04-26 | 2020-08-11 | 太原科技大学 | Processing device and processing method for preparing methane from synthesis gas |
| CN115282769A (en) * | 2022-08-02 | 2022-11-04 | 杭州新世纪能源环保工程股份有限公司 | Portable SCR denitration tower catalyst installation device |
| CN117101403A (en) * | 2023-10-24 | 2023-11-24 | 江苏星永邦环保工程技术有限公司 | Ultralow temperature denitration device of heating furnace |
-
2019
- 2019-02-18 CN CN201910119920.8A patent/CN109718665A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111514827A (en) * | 2020-04-26 | 2020-08-11 | 太原科技大学 | Processing device and processing method for preparing methane from synthesis gas |
| CN115282769A (en) * | 2022-08-02 | 2022-11-04 | 杭州新世纪能源环保工程股份有限公司 | Portable SCR denitration tower catalyst installation device |
| CN117101403A (en) * | 2023-10-24 | 2023-11-24 | 江苏星永邦环保工程技术有限公司 | Ultralow temperature denitration device of heating furnace |
| CN117101403B (en) * | 2023-10-24 | 2024-02-06 | 江苏星永邦环保工程技术有限公司 | Ultralow temperature denitration device of heating furnace |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109718665A (en) | Combustion engine denitrification catalyst module | |
| CN209596933U (en) | Combustion engine denitrification catalyst module | |
| CN104533840B (en) | Axial air incoming enclosure of axial-flow compressor | |
| CN104613045B (en) | Nitrogen energy-storage hydraulic cylinder | |
| JP5295403B2 (en) | Marine exhaust gas denitration reactor and exhaust gas denitration equipment | |
| CN208967309U (en) | Petroleum pipeline's anti-gas blocking device | |
| CN103114953A (en) | Mixed-flow type water turbine reversed S-shaped rotating wheel with long and short blades | |
| CN208465624U (en) | Low resistance type combustion gas SCR denitration module | |
| CN204437310U (en) | Gas baffle door blade | |
| CN209067317U (en) | A kind of ternary catalytic converter assembly with EGR circulation line | |
| CN214075950U (en) | Dry denitration reaction equipment | |
| CN216306068U (en) | Automobile support with reinforcing structure | |
| CN2040182U (en) | Low-noise opposite-rotation and axial-flow local ventilator | |
| CN217511575U (en) | Flue gas uniform distribution device for SCR denitration reactor | |
| CN213761309U (en) | Energy-saving and environment-friendly compressor with gas-liquid mixed conveying mechanism | |
| CN117622726B (en) | Separation explosion-proof equipment of carbon steel anti-corrosion tank | |
| CN202683037U (en) | Desulphurization system for thermal power coal-fired unit with bypass and baffle | |
| CN221169925U (en) | Controllable pneumatic double-membrane diaphragm pump | |
| CN221526921U (en) | Independent refrigerating unit | |
| CN2537825Y (en) | Hollow throat type secondary air supply device | |
| CN220303695U (en) | Waste heat utilization and installation structure of waste heat boiler | |
| CN220125905U (en) | Flue gas SCR denitration system of gas generating set | |
| CN221098655U (en) | Device for solving vibration at round position of semi-dry recycling flue | |
| CN212299040U (en) | Flue duct of power plant | |
| CN102313470B (en) | Cast plate fin air preheater |
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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190507 |
|
| WW01 | Invention patent application withdrawn after publication |