CN105107378A - Module box for SCR denitration catalysts and assembly method - Google Patents
Module box for SCR denitration catalysts and assembly method Download PDFInfo
- Publication number
- CN105107378A CN105107378A CN201510609145.6A CN201510609145A CN105107378A CN 105107378 A CN105107378 A CN 105107378A CN 201510609145 A CN201510609145 A CN 201510609145A CN 105107378 A CN105107378 A CN 105107378A
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- top board
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Abstract
The invention discloses a module box for SCR denitration catalysts and an assembly method. The module box is characterized in that a box body comprises a front side plate, a back side plate, a left side plate, a right side plate, a top plate and a bottom plate, wherein the top plate is a grid plate; the bottom plate comprises a bottom frame and supporting plates arranged on the bottom frame at intervals; one side edge of each supporting plate is dentiform; each dentiform side edge is arrange in the vertically upward direction; the front side plate, the back side plate, the left side plate, the right side plate, the top plate and the bottom plate are fixedly connected through bolts and bolt holes formed in the peripheries of all the plates; intervals are formed among the vertical edges of all the side plates. Through adoption of the assembly method, the pre-tightening force between two units in a module can be effectively controlled, so that not only can each catalyst unit be fixed in the box body through mutual friction between each catalyst and the inner wall of the box body as well as the catalyst unit, but also the units can be protected from damage caused by too high pre-tightening force between the monomers.
Description
Technical field
The present invention relates to the module cage technical field of SCR denitration, for thermal power generation denitrating system.
Background technology
Nitrogen oxide (NO
xcomprise NO, NO
2deng compound) be one of major pollutants causing atmosphere pollution, SCR system is NO
xeffective control method, and the core that catalyst reacts as SCR denitration, its quality and performance is directly connected to the height of denitration efficiency, so module cage, as the protective device of SCR catalyst, plays vital effect in maintenance catalyst shape.
The length of denitrating catalyst is all customized according to project, namely determines according to exhaust gas volumn, smoke components etc., and this just requires that the specification of module cage is according to catalyst elements length variations.Existing technique adopts monoblock screen and base plate, cover plate, plate-side plate welding to connect to form module.Be welded to connect because each several part all adopts, can not pretightning force size effectively in control module between monomer and monomer, easily cause module cage outer shape to change, be unfavorable for subsequent installation.
Summary of the invention
In order to improve prior art, the invention provides a kind of module cage and assemble method of SCR denitration, in order to solve the deficiencies such as catalyst elements discontinuity in existing assembling process, spillage of material is large, flue gas circulation area is little.
Technical solution problem of the present invention adopts following technical scheme:
For a module cage for SCR denitration, its design feature is: the casing of described module cage is by top board, front, rear, left and right side plate, top board and base plate; Described top board is flase floor, and described base plate is by underframe and be spaced at underframe upper backup pad and form, and a side of described gripper shoe is dentation, and described dentation side is being arranged vertically upward; Be connected and fixed by the bolt hole bolt set by each plate periphery between described top board, front, rear, left and right side plate, top board and base plate, and have gap of stepping down between the vertical edge of described each side plate.
Further, the bottom inside of described front, rear, left and right side plate is provided with dust block board downward-sloping in casing.
Further, the top board of described casing is provided with the hanger being convenient to lift.
Further, described top board is also provided with metal filter screen.
Further, the base plate of described module cage and top board are made up of left bottom plate, right base plate, left roof, right top board respectively, and described casing also comprises the central dividing plate will separated about casing.
The present invention asks the assemble method protecting a kind of SCR denitration module simultaneously, and its feature is, comprises the module cage in claim 1-4 described in any one, and concrete number of assembling steps is as follows:
A) back side panel is lain in a horizontal plane on assembly platform, left and right base plate is first installed, the bolt hole being passed left and right base plate and floor peripheral by bolt is fixed on back side panel, while the left and right base plate of installation, central dividing plate is installed, by the centre of the bottom clamping of central dividing plate at left and right base plate;
B) by steps A) top board is fixed on back side panel by same method;
C) on the left and right sidewall of central dividing plate, bar shaped ceramic fibre mat sheet is pasted; Then cuboid catalyst elements is aligned to one by one in casing and fills up to casing, ceramic fibre pad is wherein set between catalyst elements to form sealing between catalyst elements;
D) after the populated catalyst elements of casing, left and right side plate is installed, the bolt installation direction of left and right side plate is vertical with catalyst elements length direction, by bolt, left and right side plate is tightened on top board and base plate, and by the extruding force of left and right side plate, the catalyst elements in casing is fixed in casing;
E) finally front side board is installed, and to adopting angle steel to weld between box side with side plate, denitrification catalyst module has been assembled.
Compared with the prior art, beneficial effect of the present invention is embodied in:
SCR denitration module cage provided by the invention is compared with existing installation module, and can more effectively prevent catalyst duct from being blocked by dust, ceramic fibre pad can increase the frictional force between catalyst elements, prevents from misplacing in hoisting process and dropping; Can increase the buffering between catalyst elements, the mistake preventing catalyst elements in assembling process from leaning on is near and unit is destroyed; And can prevent flue gas from passing through between unit, prevent upstream device from causing corrosion.
Module cage assemble method of the present invention can pretightning force size effectively in control module between monomer and monomer, can ensure that catalyst elements is fixed in casing by the frictional force produced each other by each catalyst in casing and cabinet wall and each unit of catalyst, again can not be excessive and destroy monomer because of the pretightning force between monomer and monomer.
Accompanying drawing explanation
Fig. 1 is casing erectility structural representation of the present invention.
Fig. 2 is casing handstand filling structure schematic diagram of the present invention.
Fig. 3 is casing assembled state schematic diagram of the present invention.
Fig. 4 is box bottom structural representation of the present invention.
Fig. 5 is roof box structural representation of the present invention.
Fig. 6 is casing dust block board structural representation of the present invention.
Reference numeral: 1 top board, 2 front side boards, 3 back side panels, 4 left plates, 5 right plates, 6 base plates, 61 underframes, 62 gripper shoes, 7 central dividing plates, 8 dust block boards, 9 hangers, 10 bolts.
By specific embodiment, explanation is further explained to technical solution of the present invention below in conjunction with accompanying drawing.
Detailed description of the invention
Embodiment 1
See accompanying drawing, a kind of module cage for SCR denitration, the casing of this module cage forms primarily of top board 1, front side board 2, back side panel 3, right plate 4, top board 5 and base plate 6; Wherein top board 5 is by the flase floor of Plate Welding, and the thickness direction of all steel plates keeps vertical causing with the short transverse of casing in top board, base plate 6 is made up of underframe 61 and gripper shoe 62, and underframe is formed by Plate Welding, and the thickness direction of same steel plate is vertical with the short transverse of casing; On underframe, interval is welded with multiple gripper shoe 62 along its length, and gripper shoe 62 is also steel plate, and wherein the long limit of gripper shoe 62 1 is dentation, and dentation side is vertically upward in casing, and the teeth groove of dentation is inverted trapezoidal; The periphery of top board, front, rear, left and right side plate, top board and base plate is provided with multiple connection bolt hole, be fixedly connected with by bolt 10 between each plate, and have certain gap of stepping down between the vertical fillet of each side plate, after being bolted to position, the vertical fillet of each side plate leads to welding one angle steel, to be fixed casing entirety.
Module cage of the present invention in use, module cage is supported on framework by the base of side plate, thickness due to side plate is less than supported frame width, therefore in order to avoid using smoke settlement to cause accumulation to cause being positioned at the blocking in the catalyst elements hole of frame edge on framework, arrange inside the surrounding of each side plate to the tilted dust block board 8 playing guide functions of casing, circle round above framework to avoid flue gas and be deposited on framework.Dust block board 8 has with inclined side and a fillet, and fillet is provided with bolt hole, is bolted on the bottom of each side plate.
Conventional module cage appearance and size is 1905*965mm, in order to strengthen the stability of each catalyst elements in module cage, one central dividing plate will separated about casing is set, corresponding Split type structure form base plate and top board being set to respectively left bottom plate, right base plate, left roof, right top board.
During embody rule, the top of module cage casing is provided with wire netting and enters in modular tank for blocking oarse-grained dust.
For the ease of transport, the installation of module cage, top board arranges the hanger 9 being convenient to lift.
Embodiment 2
An assemble method for SCR denitration module, comprise the cuboid catalyst elements in module cage in embodiment 1 and dress and module cage, its concrete number of assembling steps is as follows:
A) back side panel is lain in a horizontal plane on assembly platform, left and right base plate is first installed, the bolt hole being passed left and right base plate and floor peripheral by bolt is fixed on back side panel, while the left and right base plate of installation, central dividing plate is installed, two of central dividing plate is clamped in the centre of left and right base plate;
B) by steps A) top board is fixed on back side panel by same method;
C) on the left and right sidewall of central dividing plate, bar shaped ceramic fibre mat sheet is pasted; Then cuboid catalyst elements is aligned to one by one in casing and fills up to casing, ceramic fibre pad is wherein set between catalyst elements to form sealing between catalyst elements; There is gap between the bottom of catalyst elements and the base plate of casing, avoids direct forced contact.
D) after the populated catalyst elements of casing, left and right side plate is installed, the bolt installation direction of left and right side plate is vertical with catalyst elements length direction, by bolt, left and right side plate is tightened on top board and base plate, and by the extruding force of left and right side plate, the catalyst elements in casing is fixed in casing;
E) finally front side board is installed, and to adopting angle steel to weld between box side with side plate, denitrification catalyst module has been assembled.
When specifically installing, in order to effectively fixing cuboid catalyst elements in casing can be reached, be unlikely to again pretension force excessive and destroy catalyst elements, torque spanner is adopted during bolt tightening, bolt torque is between 75.0N.m-76.1N.m, can ensure that catalyst elements is fixed in casing by the frictional force produced each other by each catalyst in casing and cabinet wall and each unit of catalyst, again can not be excessive and destroy monomer because of the pretightning force between monomer and monomer.
Be to be understood that example as herein described and embodiment only in order to illustrate, those skilled in the art can make various amendment or change according to it, when not departing from Spirit Essence of the present invention, all belong to protection scope of the present invention.
Claims (6)
1. for a module cage for SCR denitration, it is characterized in that, the casing of described module cage is by top board, front, rear, left and right side plate, top board and base plate; Described top board is flase floor, and described base plate is by underframe and be spaced at underframe upper backup pad and form, and a side of described gripper shoe is dentation, and described dentation side is being arranged vertically upward; Be connected and fixed by the bolt hole bolt set by each plate periphery between described top board, front, rear, left and right side plate, top board and base plate, and have gap between the vertical edge of described each side plate.
2. a kind of module cage for SCR denitration according to claim 1, is characterized in that, the bottom inside of described front, rear, left and right side plate is provided with dust block board downward-sloping in casing.
3. a kind of module cage for SCR denitration according to claim 1, is characterized in that, the top board of described casing is provided with the hanger being convenient to lift.
4. a kind of module cage for SCR denitration according to claim 1, is characterized in that, described top board is also provided with metal filter screen.
5. a kind of module cage for SCR denitration according to claim 1, it is characterized in that, the base plate of described module cage and top board are made up of left bottom plate, right base plate, left roof, right top board respectively, and described casing also comprises the central dividing plate will separated about casing.
6. an assemble method for SCR denitration module, is characterized in that, comprises the module cage in claim 1-4 described in any one, and concrete number of assembling steps is as follows:
A) back side panel is lain in a horizontal plane on assembly platform, left and right base plate is first installed, the bolt hole being passed left and right base plate and floor peripheral by bolt is fixed on back side panel, while the left and right base plate of installation, central dividing plate is installed, by the centre of the bottom clamping of central dividing plate at left and right base plate;
B) by steps A) top board is fixed on back side panel by same method;
C) on the left and right sidewall of central dividing plate, bar shaped ceramic fibre mat sheet is pasted; Then cuboid catalyst elements is aligned to one by one in casing and fills up to casing, ceramic fibre pad is wherein set between catalyst elements to form sealing between catalyst elements;
D) after the populated catalyst elements of casing, left and right side plate is installed, the bolt installation direction of left and right side plate is vertical with catalyst elements length direction, by bolt, left and right side plate is tightened on top board and base plate, and by the extruding force of left and right side plate, the catalyst elements in casing is fixed in casing;
E) finally front side board is installed, and to adopting angle steel to weld between box side with side plate, denitrification catalyst module has been assembled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510609145.6A CN105107378B (en) | 2015-09-22 | 2015-09-22 | A kind of module cage and assemble method for SCR denitration |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510609145.6A CN105107378B (en) | 2015-09-22 | 2015-09-22 | A kind of module cage and assemble method for SCR denitration |
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| CN105107378A true CN105107378A (en) | 2015-12-02 |
| CN105107378B CN105107378B (en) | 2018-01-19 |
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|---|---|---|---|
| CN201510609145.6A Expired - Fee Related CN105107378B (en) | 2015-09-22 | 2015-09-22 | A kind of module cage and assemble method for SCR denitration |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105597536A (en) * | 2015-12-21 | 2016-05-25 | 启源（西安）大荣环保科技有限公司 | Corrugated plate type denitration catalyst unit assembling platform and assembling method |
| CN108732928A (en) * | 2018-09-19 | 2018-11-02 | 南京蔚岚环境技术研究院有限公司 | Hydrocone type industrial source denitration control system and control method |
| CN109069998A (en) * | 2016-03-24 | 2018-12-21 | 洋马株式会社 | catalytic reactor and ship with the catalytic reactor |
| CN110496532A (en) * | 2019-09-30 | 2019-11-26 | 河南柴油机重工有限责任公司 | The fixation device of catalyst module in a kind of ship machine SCR reaction unit |
| CN111138164A (en) * | 2019-12-30 | 2020-05-12 | 安徽元琛环保科技股份有限公司 | Denitration catalyst module frame based on ceramic matrix and preparation method thereof |
| CN112044266A (en) * | 2020-08-26 | 2020-12-08 | 江苏龙净科杰环保技术有限公司 | Novel catalyst installation iron box |
| CN112871225A (en) * | 2020-11-10 | 2021-06-01 | 苏州西热节能环保技术有限公司 | Easily draw formula SCR denitration catalyst test block and load box |
| CN113232243A (en) * | 2021-01-16 | 2021-08-10 | 温州南冠机械有限公司 | SCR denitration catalyst production mold and production method thereof |
| CN114042477A (en) * | 2021-12-13 | 2022-02-15 | 浙江浙能催化剂技术有限公司 | Catalyst steel module structure |
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| JP2002028494A (en) * | 1997-04-02 | 2002-01-29 | Nippon Sheet Glass Co Ltd | Photocatalyst carrier, and producing method thereof |
| CN201596465U (en) * | 2010-01-14 | 2010-10-06 | 中电投远达环保工程有限公司 | Denitration system favorable for blowing deposited dust |
| CN202346169U (en) * | 2011-09-21 | 2012-07-25 | 江苏龙源催化剂有限公司 | Packing case of denitration catalyzer module |
| CN204952668U (en) * | 2015-09-22 | 2016-01-13 | 易能（马鞍山）大气治理科技有限公司 | A MODULE CASE for SCR denitration catalyst |
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2015
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Patent Citations (4)
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| JP2002028494A (en) * | 1997-04-02 | 2002-01-29 | Nippon Sheet Glass Co Ltd | Photocatalyst carrier, and producing method thereof |
| CN201596465U (en) * | 2010-01-14 | 2010-10-06 | 中电投远达环保工程有限公司 | Denitration system favorable for blowing deposited dust |
| CN202346169U (en) * | 2011-09-21 | 2012-07-25 | 江苏龙源催化剂有限公司 | Packing case of denitration catalyzer module |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105597536B (en) * | 2015-12-21 | 2018-02-09 | 启源（西安）大荣环保科技有限公司 | A kind of corrugated denitrating catalyst unit assembly platform and assemble method |
| CN105597536A (en) * | 2015-12-21 | 2016-05-25 | 启源（西安）大荣环保科技有限公司 | Corrugated plate type denitration catalyst unit assembling platform and assembling method |
| CN109069998B (en) * | 2016-03-24 | 2021-06-08 | 洋马动力科技有限公司 | Catalytic reactor and ship with same |
| CN109069998A (en) * | 2016-03-24 | 2018-12-21 | 洋马株式会社 | catalytic reactor and ship with the catalytic reactor |
| CN108732928A (en) * | 2018-09-19 | 2018-11-02 | 南京蔚岚环境技术研究院有限公司 | Hydrocone type industrial source denitration control system and control method |
| CN110496532A (en) * | 2019-09-30 | 2019-11-26 | 河南柴油机重工有限责任公司 | The fixation device of catalyst module in a kind of ship machine SCR reaction unit |
| CN111138164A (en) * | 2019-12-30 | 2020-05-12 | 安徽元琛环保科技股份有限公司 | Denitration catalyst module frame based on ceramic matrix and preparation method thereof |
| CN111138164B (en) * | 2019-12-30 | 2022-08-19 | 安徽元琛环保科技股份有限公司 | Denitration catalyst module frame based on ceramic matrix and preparation method thereof |
| CN112044266A (en) * | 2020-08-26 | 2020-12-08 | 江苏龙净科杰环保技术有限公司 | Novel catalyst installation iron box |
| CN112871225A (en) * | 2020-11-10 | 2021-06-01 | 苏州西热节能环保技术有限公司 | Easily draw formula SCR denitration catalyst test block and load box |
| CN113232243A (en) * | 2021-01-16 | 2021-08-10 | 温州南冠机械有限公司 | SCR denitration catalyst production mold and production method thereof |
| CN113232243B (en) * | 2021-01-16 | 2022-12-06 | 温州南冠机械有限公司 | SCR denitration catalyst production mold and production method thereof |
| CN114042477A (en) * | 2021-12-13 | 2022-02-15 | 浙江浙能催化剂技术有限公司 | Catalyst steel module structure |
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| CN105107378B (en) | 2018-01-19 |
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Address after: 243000 Anhui city of Ma'anshan province by national high tech Development Zone Park Road No. 398 Applicant after: Is Environmental Technology Co. Ltd. Address before: 243000 Anhui city of Ma'anshan province by national high tech Development Zone Park Road No. 398 Applicant before: ENERXY (MA'ANSHAN) ATMOSPHERIC CONTROL TECHNOLOGY CO. LTD. |
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