CN108645207A - Electrical kiln for cellular catalyst roasting - Google Patents
Electrical kiln for cellular catalyst roasting Download PDFInfo
- Publication number
- CN108645207A CN108645207A CN201810482424.4A CN201810482424A CN108645207A CN 108645207 A CN108645207 A CN 108645207A CN 201810482424 A CN201810482424 A CN 201810482424A CN 108645207 A CN108645207 A CN 108645207A
- Authority
- CN
- China
- Prior art keywords
- idiosome
- roasting
- electrical
- delivery section
- electrical kiln
- 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- Withdrawn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
- 239000003054 catalyst Substances 0.000 title claims abstract description 26
- 230000001413 cellular effect Effects 0.000 title claims abstract description 17
- 238000010438 heat treatment Methods 0.000 claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims abstract description 7
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 20
- 239000007789 gas Substances 0.000 claims description 10
- 239000003345 natural gas Substances 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 9
- 238000005485 electric heating Methods 0.000 claims description 8
- 239000002737 fuel gas Substances 0.000 claims description 7
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 6
- 229910052796 boron Inorganic materials 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims 1
- 210000001161 mammalian embryo Anatomy 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000000567 combustion gas Substances 0.000 abstract description 3
- 150000001875 compounds Chemical class 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 7
- 238000002485 combustion reaction Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 108700018263 Brassica oleracea SCR Proteins 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000005842 biochemical reaction Methods 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
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
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/14—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
- F27B9/20—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace
- F27B9/24—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace being carried by a conveyor
-
- 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
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/06—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity heated without contact between combustion gases and charge; electrically heated
- F27B9/062—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity heated without contact between combustion gases and charge; electrically heated electrically heated
- F27B9/063—Resistor heating, e.g. with resistors also emitting IR rays
-
- 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
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
- F27B9/3005—Details, accessories, or equipment peculiar to furnaces of these types arrangements for circulating gases
-
- 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
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
- F27B9/36—Arrangements of heating devices
Abstract
The present invention provides a kind of electrical kilns for cellular catalyst roasting, idiosome for honeycomb catalyst roasts processing, the electrical kiln both ends horizontal is provided with roller, it is arranged with conveying network chain outside the roller, the top of the conveying network chain is delivery section, the idiosome is placed on the upper plane of the delivery section, it is provided with first heater above the idiosome, the secondary heating mechanism that can be heated to the lower part of the idiosome is provided with below the delivery section, act on the different surfaces of idiosome simultaneously by electrical compound mode, so that the surface thermally equivalent of catalyst idiosome, substantially increase roasting quality, the thermal energy generated simultaneously using combustion gas is instead of part electric energy, greatly reduce manufacturing cost.
Description
Technical field
The present invention relates to field of environment protection more particularly to a kind of electrical kilns for cellular catalyst roasting.
Background technology
Cellular catalyst, which generally refers to, to be applied in power plant SCR（selective catalytic reduction）Denitration
Catalyst in system（Catalyst）, in SCR reactions, promote reducing agent selectively with the nitrogen oxides in flue gas one
Constant temperature degree issues the substance of biochemical reaction.Roasting is the crucial process of comparison in cellular catalyst manufacturing process, and roasting is straight
It connects and affects idiosome forming quality, what existing roasting was carried out generally by electrically heated mode, the heating surface of idiosome is single,
Roasting effect is poor, and power consumption is larger significantly, and manufacturing cost is higher.
Invention content
The technical problem to be solved by the present invention is to：Existing baking modes effect is bad and manufacturing cost is higher, the present invention
A kind of electrical kiln roasted for cellular catalyst is provided to solve the above problems.
The technical solution adopted by the present invention to solve the technical problems is：It is a kind of to be used for the electrical of cellular catalyst roasting
Kiln is provided with roller, outside the roller for the idiosome roasting processing of honeycomb catalyst in the electrical kiln both ends horizontal
It is arranged with conveying network chain, the top of the conveying network chain is delivery section, and the idiosome is placed on the upper plane of the delivery section,
It is provided with first heater above the idiosome, the lower part of the idiosome can be added by being provided with below the delivery section
The secondary heating mechanism of heat.
Further：The first heater is electrical heating, includes being arranged along perpendicular to the direction that the idiosome moves
Electric heating wire.
Further：The secondary heating mechanism is fuel gas buring heating device, includes that several are used for fuel gas buring
Burner, several described burners are arranged along perpendicular to the direction that the idiosome moves, are set between the burner and the idiosome
It is equipped with boron plate.
Further：It is communicated with mixing chamber on the burner, natural gas tube and air hose, institute are communicated on the mixing chamber
The gas flow valve for being provided with control gas discharge on natural gas tube is stated, control air mass flow is provided on the air hose
Air flow valve.
Further：The air hose for air draft is provided with above the idiosome.
The invention has the advantages that a kind of electrical kiln for cellular catalyst roasting of the present invention passes through electrically again
The mode of conjunction acts on the different surfaces of idiosome simultaneously so that the surface thermally equivalent of catalyst idiosome substantially increases roasting
Quality, while the thermal energy generated using combustion gas greatly reduces manufacturing cost instead of part electric energy.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is a kind of Facad structure signal of electrical kiln optimum embodiment for cellular catalyst roasting of the present invention
Figure；
Fig. 2 is a kind of side structure schematic diagram of the electrical kiln for cellular catalyst roasting.
1, idiosome in figure, 2, electric heating wire, 3, burner, 4, boron plate, 5, mixing chamber, 6, natural gas tube, 7, air hose, 8, combustion
Throughput valve, 9, air flow valve, 10, roller, 11, conveying network chain, 12, air hose.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and is only used for explaining the present invention, and is not considered as limiting the invention.On the contrary, this
The embodiment of invention includes all changes fallen within the scope of the spiritual and intension of attached claims, modification and is equal
Object.
In the description of the present invention, it is to be understood that, term "center", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " axial direction ",
The orientation or positional relationship of the instructions such as " radial direction ", " circumferential direction " is to be based on the orientation or positional relationship shown in the drawings, merely to just
In the description present invention and simplify description, do not indicate or imply the indicated device or element must have a particular orientation, with
Specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply relatively important
Property.In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " connected ", " connection " are answered
It is interpreted broadly, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；Can be that machinery connects
It connects, can also be electrical connection；It can be directly connected, it can also be indirectly connected through an intermediary.For the common of this field
For technical staff, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.In addition, in description of the invention
In, unless otherwise indicated, the meaning of " plurality " is two or more.
Any process described otherwise above or method description are construed as in flow chart or herein, and expression includes
It is one or more for realizing specific logical function or process the step of executable instruction code module, segment or portion
Point, and the range of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discuss suitable
Sequence, include according to involved function by it is basic simultaneously in the way of or in the opposite order, to execute function, this should be of the invention
Embodiment person of ordinary skill in the field understood.
As depicted in figs. 1 and 2, the present invention provides a kind of electrical kiln for cellular catalyst roasting, it is used for bee
The roasting processing of idiosome 1 of nest catalyst is provided with roller 10 in the electrical kiln both ends horizontal, is arranged with outside the roller 10
Network chain 11 is conveyed, the top of the conveying network chain 11 is delivery section, and the idiosome 1 is placed on the upper plane of the delivery section,
The top of the idiosome 1 is provided with first heater, and being provided with below the delivery section can be to the lower part of the idiosome 1
The secondary heating mechanism of heating.
The rotation of roller 10 can drive conveying network chain 11 to be rotated around roller 10, and delivery section keeps continued advancement, is opened in roasting
When the beginning, idiosome 1 is placed in the delivery section of conveying network chain 11 at plane, conveying network chain 11 transports idiosome 1 and persistently moves forward,
First heater and secondary heating mechanism are set along the moving direction of idiosome 1, are both provided with above and below idiosome 1
For the heating device of roasting, the multi-direction mode by thermal bake-out of this idiosome 1 so that idiosome 1 is heated more comprehensively and balanced,
Conducive to it is integral sintered while be molded, improve roasting effect.Avoid one direction roasting when often will appear in heating surface
There is burning, the case where underburnt occurs carrying on the back hot face, improve the sintering quality of idiosome 1.
The first heater is electrical heating, includes along the electrical heating being arranged perpendicular to the direction that the idiosome 1 moves
Silk 2.Electric heating wire 2 heats up rapid and heating temperature convenient for control, and heat radiation is wide, lasting for thermostabilization, when being not in long
Between heat decay caused by heat supply generation.Since the idiosome 1 of catalyst is mostly column, idiosome 1 is under electric heating wire 2 along straight line
Movement will be helpful to electric heating wire 2 can be by each surface of heat average radiation to idiosome 1.Electric heating wire 2 continually and steadily adds
Heat, idiosome 1 are moved along perpendicular to heater strip, idiosome 1 with closer and farther from heater strip realize heating and cooling roasting process,
Heating and cooling rate can be adjusted by controlling the movement speed of idiosome 1 simultaneously, so that the roasting of idiosome 1 is adjusted to suitable roasting
Technique.
The secondary heating mechanism is fuel gas buring heating device, includes the burner 3 that several are used for fuel gas buring, if
The dry burner 3 is arranged along perpendicular to the direction that the idiosome 1 moves, and boron is provided between the burner 3 and the idiosome 1
Plate 4.
Combustion gas, through combustion heating, provides enough heats at burner 3, and idiosome 1 is roasted by fuel gas buring heating
Downside improves sintering quality with 2 collective effect of electric heating wire of 1 top of idiosome.Gas energy is utilized in this mode significantly,
It is compared compared with electrical heating and greatly reduces cost.Meanwhile the burning flame of burner 3 first act on 4 bottom surface of boron plate, boron plate 4 is by acquisition
Uniform conductive is radiated at the idiosome 1 of top heat again, is avoided burning flame and is directly contacted generation local temperature raising with idiosome 1
Burn-off phenomenon, also prevent burning flame burn idiosome 1.
It is communicated with mixing chamber 5 on the burner 3, natural gas tube 6 and air hose 7, the day are communicated on the mixing chamber 5
It is provided with the gas flow valve 8 of control gas discharge on right tracheae 6, control air mass flow is provided on the air hose 7
Air flow valve 9.
Burner 3 refires after-combustion, natural gas and air by closed pipeline gas supply and completes mixing in mixing chamber 5, so
It being delivered at burner 3 and lights again afterwards, this mode substantially increases the safety of the burning of burner 3, meanwhile, pass through gas flow valve
8 and air flow valve 9 control natural gas supply amount at burner 3 and air air demand and on the one hand can improve efficiency of combustion, reach
To the effect of ultimate attainment burning, natural gas energy resource has been saved, has reduced roasting cost；On the other hand, by adjusting natural gas and sky
The air inflow of gas can directly control burning flame size, directly control the power of combustion heating heat radiation, in conjunction with 1 top electricity of idiosome
The control of the heating power of heater strip 2 and controlling to obtain optimal sintering effect for itself movement speed of idiosome 1.
The top of the idiosome 1 is provided with the air hose 12 for air draft, and air hose 12 continues air draft, on the one hand can be with heating kiln
The convective motion of thermal current in stove optimizes the temperature environment in kiln so that reach thermal balance in kiln as early as possible, ensure that idiosome
1 by thermal balance, optimize the roasting effect of idiosome 1；On the other hand it can also optimize burning situation at burner 3, ensure combustion
The safety of burning.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, not to the schematic representation of the term
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiments or example in can be combined in any suitable manner.
It is enlightenment with above-mentioned desirable embodiment according to the present invention, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to determine its technical scope according to right.
Claims (5)
1. a kind of electrical kiln for cellular catalyst roasting is used for the idiosome of honeycomb catalyst（1）Roasting processing, in institute
It states electrical kiln both ends horizontal and is provided with roller（10）, the roller（10）It is arranged with conveying network chain outside（11）, the transmission net
Chain（11）Top be delivery section, the idiosome（1）It is placed on the upper plane of the delivery section, it is characterised in that：In the embryo
Body（1）Top be provided with first heater, being provided with below the delivery section can be to the idiosome（1）Lower part add
The secondary heating mechanism of heat.
2. the electrical kiln for cellular catalyst roasting as described in claim 1, it is characterised in that：First heating
Device is electrical heating, including along perpendicular to the idiosome（1）The electric heating wire of mobile direction setting（2）.
3. the electrical kiln for cellular catalyst roasting as claimed in claim 2, it is characterised in that：Second heating
Device is fuel gas buring heating device, includes the burner that several are used for fuel gas buring（3）, several described burners（3）Edge
Perpendicular to the idiosome（1）Mobile direction setting, the burner（3）With the idiosome（1）Between be provided with boron plate（4）.
4. the electrical kiln for cellular catalyst roasting as claimed in claim 3, it is characterised in that：The burner（3）
On be communicated with mixing chamber（5）, the mixing chamber（5）On be communicated with natural gas tube（6）And air hose（7）, the natural gas tube（6）
On be provided with control gas discharge gas flow valve（8）, the air hose（7）On be provided with control air mass flow air
Flow valve（9）.
5. the electrical kiln for cellular catalyst roasting as claimed in claim 4, it is characterised in that：The idiosome（1）
Top be provided with the air hose for air draft（12）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810482424.4A CN108645207A (en) | 2018-05-18 | 2018-05-18 | Electrical kiln for cellular catalyst roasting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810482424.4A CN108645207A (en) | 2018-05-18 | 2018-05-18 | Electrical kiln for cellular catalyst roasting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108645207A true CN108645207A (en) | 2018-10-12 |
Family
ID=63757138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810482424.4A Withdrawn CN108645207A (en) | 2018-05-18 | 2018-05-18 | Electrical kiln for cellular catalyst roasting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108645207A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109442986A (en) * | 2018-12-26 | 2019-03-08 | 北京国电龙源环保工程有限公司 | SCR denitration high-efficient roasting equipment and its remodeling method |
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| CN203704637U (en) * | 2013-12-24 | 2014-07-09 | 湖北大清捷能环保窑炉有限公司 | Honeycomb SCR (selective catalytic reduction) denitration catalyst sintering furnace |
| CN204268882U (en) * | 2014-11-04 | 2015-04-15 | 罗少忠 | Multifunctional ceramic burning kiln |
| CN104567356A (en) * | 2014-12-20 | 2015-04-29 | 佛山市南海鑫隆机工机械有限公司 | Gas-electric hybrid roller kiln furnace |
| CN206001898U (en) * | 2016-08-11 | 2017-03-08 | 江苏金色工业炉股份有限公司 | A kind of meshbeltfurnace heating system |
| CN107356111A (en) * | 2016-12-06 | 2017-11-17 | 中国科学院大连化学物理研究所 | A kind of simple turning circle cartridge heater of energy-conserving and environment-protective |
| CN207197255U (en) * | 2017-07-14 | 2018-04-06 | 阿尔赛(苏州)无机材料有限公司 | Electricity and the compound chamber type electric resistance furnace of combustion gas |
| CN208419582U (en) * | 2018-05-18 | 2019-01-22 | 江苏浩日朗环保科技有限公司 | Electrical kiln for cellular catalyst roasting |
-
2018
- 2018-05-18 CN CN201810482424.4A patent/CN108645207A/en not_active Withdrawn
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103673590A (en) * | 2013-12-06 | 2014-03-26 | 湖北大清捷能环保窑炉有限公司 | Honeycomb type SCR denitration catalyst calcining furnace and method for drying SCR denitration catalyst |
| CN203595390U (en) * | 2013-12-15 | 2014-05-14 | 北京华电光大环保技术有限公司 | SCR denitration catalyst roasting furnace conducting heating through electricity and natural gas |
| CN203704637U (en) * | 2013-12-24 | 2014-07-09 | 湖北大清捷能环保窑炉有限公司 | Honeycomb SCR (selective catalytic reduction) denitration catalyst sintering furnace |
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| CN104567356A (en) * | 2014-12-20 | 2015-04-29 | 佛山市南海鑫隆机工机械有限公司 | Gas-electric hybrid roller kiln furnace |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109442986A (en) * | 2018-12-26 | 2019-03-08 | 北京国电龙源环保工程有限公司 | SCR denitration high-efficient roasting equipment and its remodeling method |
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| 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: 20181012 |
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| WW01 | Invention patent application withdrawn after publication |