CN104482765A - Full-automatic opening/closing locking furnace door for SCR plate-type catalyst calcining furnace - Google Patents
Full-automatic opening/closing locking furnace door for SCR plate-type catalyst calcining furnace Download PDFInfo
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- CN104482765A CN104482765A CN201410793857.3A CN201410793857A CN104482765A CN 104482765 A CN104482765 A CN 104482765A CN 201410793857 A CN201410793857 A CN 201410793857A CN 104482765 A CN104482765 A CN 104482765A
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Abstract
The invention discloses a full-automatic opening/closing locking furnace door for an SCR plate-type catalyst calcining furnace. The full-automatic opening/closing locking furnace door is used for solving the problems of low degree of automation, poor sealing property, unstable product quality, and the like, of the prior art. The full-automatic opening/closing locking furnace door is characterized in that a furnace door lifting supporting frame (13) is arranged on one side in front of a material inlet/outlet door of the calcining furnace (1); a bearing beam (14), a pulley (11) and an automatic sensing frequency conversion motor (10) are arranged at the top of the material inlet/outlet door of the calcining furnace (1); an automatic locking device controlled by a hydraulic station (8) of a hydraulic self-locking device is arranged on the other side in front of the material inlet/outlet door of the calcining furnace (1); a guide rail (3) is arranged in front of a furnace wall in front of the material inlet/outlet door of the calcining furnace (1); a steel wire rope (12) arranged at the top of a furnace door (2) is connected with the automatic sensing frequency conversion motor (10); automatic sensing devices (7) are arranged at the bottom on the two sides in front of the door; the automatic sensing devices (7), the hydraulic station (8) and the automatic sensing frequency conversion motor (10) are respectively connected with an industrial control computer through wires. The full-automatic opening/closing locking furnace door has the advantages of reasonable structure, automatic lifting, good locking property and high popularization and application values.
Description
One, technical field
The invention belongs to kiln automation field, relate in particular to a kind of full-automatic keying locking fire door for SCR board-like catalyst calcination stove.
Two, background technology
Atmosphere pollution is one of the most outstanding at present environmental problem in the world, " " 12 " national strategy new industry development regulation " proposes energy-conserving and environment-protective and ranks first of seven great strategy new industries, one of four large mainstay industries are the common prescription of industry restructuring and social equilibrium's sustainable development.Only with regard to environmental protection industry waste gas field, estimate that waste gas pollution control and treatment " 12 " the period market demand capacity is more than 2,300 hundred million yuan, wherein thermal power plant's denitration market demand is 1,000 hundred million, and flue gas " denitrating catalyst " is clearly listed in one of the core environment protection novel and product that support China's strategy new industry development.
Board-like SCR denitration is environmental protection rising industry, perfect along with national environmental protection policy, and its market potential is huge, and this technology is first grown up by Japan at late 1970s and the beginning of the eighties, is promoted in Europe and the U.S. rapidly thereafter.Board-like SCR denitration main component generally comprises nano TiO 2, V2O5 and WO3.Shared by these three kinds of compositions, catalyst ratio is more than 95 ﹪, and pug or powder raw material are mainly coated on stainless steel expansion web by board-like Catalyst Production after batch mixing, kneading, through section, shaping, vanning, is finished product finally by the calcining of continuous calcining stove.The board-like catalyst of SCR denitration is mainly used in the denitration engineering of the industry flue gases such as electric power, metallurgy, building materials.Plate-type denitration catalyst complete series product has the excellent specific properties such as high denitration efficiency, high performance of anti-blockage, high resistance flying dust erosion performance, low SO2 conversion ratio, low NH3 escapement ratio, low pressure loss and good anti-poisoning capability, is widely used in the denitrating flue gas environment of high dust.Can there is slight jitter when flue gas is by catalyst in the veneer of flat catalyst, can prevent thin ash from piling up on a catalyst.Stainless steel aperture plate skeleton structure, antiwear property is strong, more resistance to flying dust corrosion.
The calcining heat of the board-like catalyst of SCR each temperature section in calcination process is stable to be even more important, and it concerns the quality such as catalyst activity, intensity.Calcining furnace inside is in pressure-fired under normal circumstances, and it is comparatively large that kiln head and tail opens wide district's section, and stove import and export temperature is high and have high temperature gas flow to overflow.If do not take locking device timely and effectively, can cause that calcining in-furnace temperature instability, the difficult lifting of temperature, energy consumption are high, equipment burnout and the relevant issues such as operating environment is severe.In order to effectively address these problems, a kind of automatic open close fire door for the board-like catalyst calcination stove of SCR and forced locking device are invented, allow calcining heat in calcining furnace is stable, product enters furnace temperature and promotes fast, energy-saving and cost-reducing, ensure the technological requirement of the board-like catalyst of SCR in calcining.
Three, summary of the invention
The object of the invention is to for the technological requirement in the board-like Catalyst Production of SCR, to realize the automatic control to door state, thus improve the full-automatic keying locking fire door for SCR board-like catalyst calcination stove of kiln temperature control accuracy.
Technical scheme of the present invention is: it is made up of the parts such as calcining furnace, fire door, fire door lifting support frame is provided with in calcining furnace input and output material side in front of the door, opposite side is provided with the Hydraulic Station of hydraulic pressure self-locking device, lifting support top is provided with spandrel girder, and on this spandrel girder, be provided with pulley and automatic inductive frequency conversion motor, simultaneously before calcining furnace input and output material furnace wall in front of the door, be provided with guide rail, fire door corner is provided with directive wheel, and the steel wire tow line that top is arranged is connected with automatic inductive frequency conversion motor after the pulley on spandrel girder.Fire door uses heat resisting steel to make, liner flame-proof thermal insulation material.Furnace wall two middle side part is provided with the lockset by propeller control, and described propeller is connected with Hydraulic Station by hydraulic line, forms fire door forced locking device; Calcining furnace input and output material in front of the door two side bottoms be provided with auto-induction apparatus, described auto-induction apparatus, Hydraulic Station are connected with industrial control computer respectively by circuit with automatic inductive frequency conversion motor.
The invention has the beneficial effects as follows: automatic lifting fire door uses heat resisting steel to make, and not only intensity is high but also can not be out of shape under the operating mode of high temperature, and door lining has refractory material high insulating effect, is furnished with and automatically responds to lowering or hoisting gear.Forced locking device adopts hydraulic pressure induction locking, is formed by combining by hydraulic system, lockset and induction installation, can accurate lock sealing fire door automatically.In whole piece calcining furnace, multiple fire door can automatic open close fire door and auto lock separately, simultaneously can also interlock induction automatic open close fire door and auto lock fire door.Ensure that the temperature stabilization of the board-like catalyst of SCR in calcining heat, effectively raise the board-like catalyst quality of SCR.
Below in conjunction with accompanying drawing, the invention will be further described.
Four, accompanying drawing explanation
The main TV structure schematic diagram of Fig. 1 the present invention;
Fig. 2 looks cross section structure schematic diagram in the right side of the present invention.
In figure: 1 is calcining furnace, 2 is fire door, and 3 is guide rail, 4 is lockset, and 5 is the board-like catalyst prod of SCR, and 6 is propeller, 7 is auto-induction apparatus, and 8 is Hydraulic Station, and 9 is hydraulic line, 10 is automatic inductive frequency conversion motor, 11 is pulley, and 12 is stay cord, and 13 is lifting support, 14 is spandrel girder, and 15 is directive wheel.
Five, detailed description of the invention
As shown in Figure 1 and Figure 2, the described full-automatic keying locking fire door for SCR board-like catalyst calcination stove is made up of parts such as calcining furnace 1, fire doors 2, be provided with fire door lifting support frame 13 in calcining furnace 1 input and output material side in front of the door, opposite side is provided with the Hydraulic Station 8 of hydraulic pressure self-locking device.Lifting support 13 top is provided with spandrel girder 14, and on this spandrel girder 14, be provided with pulley 11 and automatic inductive frequency conversion motor 10, simultaneously before calcining furnace 1 input and output material furnace wall in front of the door, be provided with guide rail 3,2 four jiaos, fire door is provided with directive wheel 15, and the steel wire tow line 12 that top is arranged is connected with automatic inductive frequency conversion motor 10 after the pulley 11 on spandrel girder 14.Fire door 2 uses heat resisting steel to make, liner flame-proof thermal insulation material.Furnace wall two middle side part is provided with the lockset 4 controlled by propeller 6, and described propeller 6 is connected with Hydraulic Station 8 by hydraulic line 9, forms fire door forced locking device.Calcining furnace 1 input and output material in front of the door two side bottoms be provided with auto-induction apparatus 7, this auto-induction apparatus 7, Hydraulic Station 8 are connected with industrial control computer respectively by circuit with automatic inductive frequency conversion motor 10.When implementing of the present invention, when the board-like catalyst prod 5 of SCR need to enter calcine in calcining furnace 1 time, before fire door, induction installation 7 is by Signal transmissions to PLC, then PLC provides signal to automatic inductive frequency conversion motor 10 after PID arithmetic, thus realizes automatically opening fire door 2 object.When the board-like catalyst prod 5 of SCR all enters calcining furnace, before fire door, signal transmission is given automatic inductive frequency conversion motor 10 by auto-induction apparatus 7, will automatically close fire door 2.When fire door 2 has been closed automatically, auto-induction apparatus 7 provides signal, starts fire door forced locking device, is started working, allow propeller 6 promote lockset 4 carry out the locking of fire door automatic-sealed by hydraulic line 9 by Hydraulic Station 8.
When the board-like catalyst prod 5 of SCR calcined in calcining furnace 1 need come out of the stove from calcining furnace tail time, auto-induction apparatus 7 sends signal to forced locking device, start fire door forced locking device, started working by Hydraulic Station 8, allow propeller 6, the anti-lockset 4 that promotes carry out fire door automatic unlocking by hydraulic line 9; When fire door automatic unlocking completes, before fire door auto-induction apparatus 7 by Signal transmissions to PLC, then after PID arithmetic PLC provide signal to give automatic inductive frequency conversion motor 10, automatically can open fire door; Furnace bottom ejecting device releases the board-like catalyst prod 5 of SCR automatically in calcining furnace 1, and when the board-like catalyst prod 5 of SCR is all released, before fire door, signal can be closed fire door 2 to lowering or hoisting gear 10 by auto-induction apparatus 7 automatically; When fire door 2 has been closed automatically, auto-induction apparatus 7 provides signal, starts fire door forced locking device, is started working, allow propeller 6 promote lockset 4 carry out the locking of fire door automatic-sealed by hydraulic line 9 by Hydraulic Station 8.
In whole piece calcining furnace, multiple fire door can automatic open close fire door and auto lock separately, simultaneously can also interlock induction automatic open close fire door and auto lock fire door or follow procedure automatic open close fire door and auto lock.Ensure that the temperature stabilization of the board-like catalyst of SCR in calcining heat.Around meeting the board-like catalyst of SCR homogeneous temperature technological requirement in calcination process, particularly high temperature section goods, each point thermal gradient energy meets technological requirement.The SCR plate-type denitration catalyst Product Activity produced is good, intensity is high, steady quality, quality are high.
Claims (2)
1. the full-automatic keying locking fire door for SCR board-like catalyst calcination stove, it comprises calcining furnace (1), fire door (2), it is characterized in that: calcining furnace (1) input and output material side is in front of the door provided with fire door lifting support frame (13), opposite side is provided with the Hydraulic Station (8) of hydraulic pressure self-locking device, lifting support (13) top is provided with spandrel girder (14), and on this spandrel girder (14), be provided with pulley (11) and automatic inductive frequency conversion motor (10), before calcining furnace (1) input and output material furnace wall in front of the door, be provided with guide rail (3) simultaneously, fire door (2) corner is provided with directive wheel (15), the steel wire tow line (12) that top is arranged is connected with automatic inductive frequency conversion motor (10) after the pulley (11) on spandrel girder (14), furnace wall two middle side part is provided with the lockset (4) controlled by propeller (6), and described propeller (6) is connected with Hydraulic Station (8) by hydraulic line (9), forms fire door forced locking device, calcining furnace (1) input and output material in front of the door two side bottoms be provided with auto-induction apparatus (7), described auto-induction apparatus (7), Hydraulic Station (8) are connected with industrial control computer respectively by circuit with automatic inductive frequency conversion motor (10).
2. the full-automatic keying locking fire door for SCR board-like catalyst calcination stove according to claim 1, is characterized in that: described fire door (2) uses heat resisting steel to make, liner flame-proof thermal insulation material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410793857.3A CN104482765A (en) | 2014-12-21 | 2014-12-21 | Full-automatic opening/closing locking furnace door for SCR plate-type catalyst calcining furnace |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410793857.3A CN104482765A (en) | 2014-12-21 | 2014-12-21 | Full-automatic opening/closing locking furnace door for SCR plate-type catalyst calcining furnace |
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| CN104482765A true CN104482765A (en) | 2015-04-01 |
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| CN201410793857.3A Pending CN104482765A (en) | 2014-12-21 | 2014-12-21 | Full-automatic opening/closing locking furnace door for SCR plate-type catalyst calcining furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109579544A (en) * | 2019-01-06 | 2019-04-05 | 重庆欣天利智能重工有限公司 | A kind of fire door raising structure used for industrial furnace |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3086374B2 (en) * | 1994-03-16 | 2000-09-11 | タバイエスペック株式会社 | Airtight container door device |
| CN201236671Y (en) * | 2008-08-22 | 2009-05-13 | 新疆石油管理局机械制造总公司 | Swinging firedoor |
| CN203582705U (en) * | 2013-10-25 | 2014-05-07 | 湖北华夏窑炉工业(集团)有限公司 | Closed kiln door for foam glass foaming kiln |
| CN104154767A (en) * | 2014-08-11 | 2014-11-19 | 湖北大别山窑炉产业研究设计院有限公司 | Temperature measurement and control system for plate-type SCR denitration catalyst calcining furnace |
| CN204373402U (en) * | 2014-12-17 | 2015-06-03 | 湖北华夏窑炉工业(集团)有限公司 | For the full-automatic keying locking fire door of SCR board-like catalyst calcination stove |
-
2014
- 2014-12-21 CN CN201410793857.3A patent/CN104482765A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3086374B2 (en) * | 1994-03-16 | 2000-09-11 | タバイエスペック株式会社 | Airtight container door device |
| CN201236671Y (en) * | 2008-08-22 | 2009-05-13 | 新疆石油管理局机械制造总公司 | Swinging firedoor |
| CN203582705U (en) * | 2013-10-25 | 2014-05-07 | 湖北华夏窑炉工业(集团)有限公司 | Closed kiln door for foam glass foaming kiln |
| CN104154767A (en) * | 2014-08-11 | 2014-11-19 | 湖北大别山窑炉产业研究设计院有限公司 | Temperature measurement and control system for plate-type SCR denitration catalyst calcining furnace |
| CN204373402U (en) * | 2014-12-17 | 2015-06-03 | 湖北华夏窑炉工业(集团)有限公司 | For the full-automatic keying locking fire door of SCR board-like catalyst calcination stove |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109579544A (en) * | 2019-01-06 | 2019-04-05 | 重庆欣天利智能重工有限公司 | A kind of fire door raising structure used for industrial furnace |
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Application publication date: 20150401 |