CN105171895A - Method for pouring guide plate of cyclone preheater of cement dry-process kiln - Google Patents
Method for pouring guide plate of cyclone preheater of cement dry-process kiln Download PDFInfo
- Publication number
- CN105171895A CN105171895A CN201510518097.XA CN201510518097A CN105171895A CN 105171895 A CN105171895 A CN 105171895A CN 201510518097 A CN201510518097 A CN 201510518097A CN 105171895 A CN105171895 A CN 105171895A
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- China
- Prior art keywords
- cast
- guide plate
- heat
- deflector
- castable
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/04—Producing shaped prefabricated articles from the material by tamping or ramming
- B28B1/045—Producing shaped prefabricated articles from the material by tamping or ramming combined with vibrating or jolting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/52—Producing shaped prefabricated articles from the material specially adapted for producing articles from mixtures containing fibres, e.g. asbestos cement
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/24—Arrangements for promoting turbulent flow of heat-exchange media, e.g. by plates
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Fluid Mechanics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Furnace Details (AREA)
Abstract
The invention discloses a method for pouring a guide plate of a cyclone preheater of a cement dry-process kiln. The method comprises the steps of welding of a framework, material proportioning, stirring, pouring for the first time, pouring for the second time, pouring for the third time, and shaping. According to the method, a traditional guide plate made of a heat-resistant steel plate is replaced by the guide plate made of ultrahigh-strength abrasion-resistant poured materials through pouring, in this way, the manufacturing cost of the guide plate is reduced, the quality performance of the guide plate is improved, and the service life of the guide plat is prolonged; a limited types of auxiliary materials are added in the ultrahigh-strength abrasion-resistant poured materials, in this way, the performance of the ultrahigh-strength abrasion-resistant poured materials is further improved, and thus the quality performance of the guide plate is further improved; by conducting pouring three times, the operation difficulty of pouring of the guide plate is lowered, the strength of the guide plate is improved, and thus the resistance reducing effect of the guide plate is improved.
Description
Technical field
The present invention relates to a kind of pouring procedure of deflector, specifically a kind of pouring procedure of the deflector for Cement Dry Process Kiln Product cyclone preheater.
Background technology
Cyclone preheater in Cement Dry Process Kiln Product, it can improve separative efficiency and reduce drag losses, mutual collision between the inlet air flow and backflow of cyclone preheater, extruding, deflector is added in the porch of cyclone preheater, good drag-reduction effect can be received, and existing deflector mostly is Cr25Ni20Si2 heat-resisting steel sheet and plate is made, in practical work process, because the air inlet wind speed of cyclone preheater is up to 18m/s, dusty gas washes away very large, the deflector be in high temperature corrosion gas can be caused progressively to be out of shape, corrosion, and the refractory material be connected with deflector comes off because the distortion of deflector is also extruded cracking, not only shorten the service life of deflector, also the normal work of cyclone preheater is had influence on, improve cost.
Summary of the invention
The problems such as the deflector that the object of the invention is to overcome in the cyclone preheater in existing Cement Dry Process Kiln Product is easily cashed in practical work process, burn into service life is short, provide the pouring procedure of the deflector for Cement Dry Process Kiln Product cyclone preheater that a kind of heat resistance is high, long service life, drag-reduction effect are good.
The technical solution adopted for the present invention to solve the technical problems is:
For a pouring procedure for the deflector of Cement Dry Process Kiln Product cyclone preheater, comprise frame welding, batching, stirring, first time cast, second time cast, third time cast, shaping step;
Concrete steps:
A, frame welding: heat-resisting round steel is welded into the framework that thickness is 90-110mm, frame height is 3000-3200mm, and the distance between heat-resisting round steel and heat-resisting round steel is set to 150-160mm, scribbles paraffin at the surface uniform of heat resisting steel;
B, batching: by superhigh intensity wear-resistant castable and water proportioning, make castable;
C, stirring: described castable machine,massing is stirred, rotating speed controls as 600-1000r/min, and mixing time controls as 5-6min;
D, first time cast: wrap described framework with wooden model, pour into a mould, cast is highly 800-1200mm, and cast thickness is 160-180mm, carry out jolt ramming 3-5min with vibrating head after cast is good;
E, second time cast: pour into a mould second segment with wooden model after first paragraph being poured into a mould jolt ramming, second segment height is 1200-1400mm, and building thickness is 160-180mm, carry out jolt ramming 5-6min with vibrating head after cast is good;
F, the 3rd section of cast: after second segment being poured into a mould after jolt ramming, on the wooden model of described parcel framework, third time cast is carried out in punching, and building is highly 600-1000mm, and cast thickness is 160-180mm, carries out jolt ramming 3-4min after cast is good with vibrating head;
G, shaping: after the 3rd section of cast jolt ramming, take off wooden model, shaping is carried out to castable surface, obtained deflector.
Further, described in step heat-resisting round steel is set to 1Crl8Ni9Ti material;
Preferably, the thickness of described paraffin is 4-8mm.
Further, in stepb, relative to superhigh intensity wear-resistant castable described in 100 weight portions, the consumption of described water is 4-5 weight portion;
Preferably, be mixed with auxiliary material in described superhigh intensity wear-resistant castable, described auxiliary material is fiber;
More preferably, relative to superhigh intensity wear-resistant castable described in 100 weight portions, described fiber consumption is 6-8 weight portion;
Further preferably, described superhigh intensity wear-resistant castable meets the following conditions: heat resisting temperature≤1650 DEG C, at 1100 DEG C, compressive resistance >=120MPa under 24h condition, and wearability≤8cc.
Beneficial effect: the deflector that traditional heat-resisting steel sheet and plate makes is changed into the deflector with the cast of super intensified abrasion-proof pouring material by the present invention, not only reduce the cost of deflector, and improve the capability and performance of deflector, extend the service life of deflector, spacing auxiliary material is added with in super intensified abrasion-proof pouring material, the performance of further enhancing super intensified abrasion-proof pouring material, and then strengthen the capability and performance of deflector, by three cast, reduce the operation difficulties of deflector cast, improve the intensity of deflector, and then improve the drag-reduction effect of deflector.
Below with reference to drawings and Examples, the present invention is described in detail.
Accompanying drawing explanation
Fig. 1 is deflector scheme of installation of the present invention.
Fig. 2 is existing deflector scheme of installation.
In figure: 1. deflector, 2. air inlet.
Detailed description of the invention
Embodiment one:
For a pouring procedure for the deflector of Cement Dry Process Kiln Product cyclone preheater, comprise frame welding, batching, stirring, first time cast, second time cast, third time cast, shaping step;
Concrete steps:
A, frame welding: be that the heat-resisting round steel of 1Crl8Ni9Ti is welded into the framework that thickness is 100mm by material, frame height is 3000mm, distance between heat-resisting round steel and heat-resisting round steel is set to 150mm, scribbles at the surface uniform of heat resisting steel the paraffin that thickness is 5mm;
B, batching: by superhigh intensity wear-resistant castable and water, fiber (weight ratio is 100:4:7) proportioning, make castable, castable heat resisting temperature≤1650 DEG C, at 1100 DEG C, compressive resistance >=120MPa under 24h condition, wearability≤8;
C, stirring: described castable machine,massing is stirred, rotating speed controls as 800r/min, and mixing time controls as 5min;
D, first time cast: wrap described framework with wooden model, pour into a mould, cast is highly 900mm, and cast thickness is 170mm, carry out jolt ramming 4min with vibrating head after cast is good;
E, second time cast: pour into a mould second segment with wooden model after first paragraph being poured into a mould jolt ramming, second segment height is 1300mm, and building thickness is 170mm, carry out jolt ramming 5min with vibrating head after cast is good;
F, the 3rd section of cast: after second segment being poured into a mould after jolt ramming, on the wooden model of described parcel framework, third time cast is carried out in punching, and building is highly 800mm, and cast thickness is 170mm, carries out jolt ramming 3min after cast is good with vibrating head;
G, shaping: after the 3rd section of cast jolt ramming, take off wooden model, shaping is carried out to castable surface, obtained deflector.
Embodiment two:
For a pouring procedure for the deflector of Cement Dry Process Kiln Product cyclone preheater, comprise frame welding, batching, stirring, first time cast, second time cast, third time cast, shaping step;
Concrete steps:
A, frame welding: be that the heat-resisting round steel of 1Crl8Ni9Ti is welded into the framework that thickness is 120mm by material, frame height is 3400mm, distance between heat-resisting round steel and heat-resisting round steel is set to 165mm, scribbles at the surface uniform of heat resisting steel the paraffin that thickness is 3mm;
B, batching: by superhigh intensity wear-resistant castable and water, fiber (weight ratio is 100:5.5:9) proportioning, make castable, castable heat resisting temperature≤1650 DEG C, at 1100 DEG C, compressive resistance >=120MPa under 24h condition, wearability≤8cc;
C, stirring: described castable machine,massing is stirred, rotating speed controls as 1200r/min, and mixing time controls as 7min;
D, first time cast: wrap described framework with wooden model, pour into a mould, cast is highly 1300mm, and cast thickness is 190mm, carry out jolt ramming 6min with vibrating head after cast is good;
E, second time cast: pour into a mould second segment with wooden model after first paragraph being poured into a mould jolt ramming, second segment height is 1100mm, and building thickness is 190mm, carry out jolt ramming 4min with vibrating head after cast is good;
F, the 3rd section of cast: after second segment being poured into a mould after jolt ramming, on the wooden model of described parcel framework, third time cast is carried out in punching, and building is highly 1000mm, and cast thickness is 190mm, carries out jolt ramming 5min after cast is good with vibrating head;
G, shaping: after the 3rd section of cast jolt ramming, take off wooden model, shaping is carried out to castable surface, obtained deflector.
Embodiment three:
For a pouring procedure for the deflector of Cement Dry Process Kiln Product cyclone preheater, comprise frame welding, batching, stirring, first time cast, second time cast, third time cast, shaping step;
Concrete steps:
A, frame welding: be that the heat-resisting round steel of 1Crl8Ni9Ti is welded into the framework that thickness is 115mm by material, frame height is 3100mm, distance between heat-resisting round steel and heat-resisting round steel is set to 200mm, scribbles at the surface uniform of heat resisting steel the paraffin that thickness is 10mm;
B, batching: by superhigh intensity wear-resistant castable and water, fiber (weight ratio is 100:6:10) proportioning, make castable, castable heat resisting temperature≤1650 DEG C, compressive resistance is 1200 DEG C × 24h >=150MPa, wearability≤9cc;
C, stirring: described castable machine,massing is stirred, rotating speed controls as 1300r/min, and mixing time controls as 8min;
D, first time cast: wrap described framework with wooden model, pour into a mould, cast is highly 1400mm, and cast thickness is 200mm, carry out jolt ramming 8min with vibrating head after cast is good;
E, second time cast: pour into a mould second segment with wooden model after first paragraph being poured into a mould jolt ramming, second segment height is 800mm, and building thickness is 200mm, carry out jolt ramming 6min with vibrating head after cast is good;
F, the 3rd section of cast: after second segment being poured into a mould after jolt ramming, on the wooden model of described parcel framework, third time cast is carried out in punching, and building is highly 1300mm, and cast thickness is 200mm, carries out jolt ramming 7min after cast is good with vibrating head;
G, shaping: after the 3rd section of cast jolt ramming, take off wooden model, shaping is carried out to castable surface, obtained deflector.
Embodiment is to invention has been exemplary description above; obvious specific implementation of the present invention is not subject to the restrictions described above; as long as have employed the improvement of the various unsubstantialities that method of the present invention is conceived and technical scheme is carried out; or design of the present invention and technical scheme directly applied to other occasion, all within protection scope of the present invention without to improve.
The part that the present invention does not relate to prior art that maybe can adopt all same as the prior art is realized.
Claims (3)
1., for a pouring procedure for the deflector of Cement Dry Process Kiln Product cyclone preheater, comprise frame welding, batching, stirring, first time cast, second time cast, third time cast, shaping step;
Concrete steps are as follows:
A, frame welding: heat-resisting round steel is welded into the framework that thickness is 90-110mm, frame height is 3000-3200mm, and the distance between heat-resisting round steel and heat-resisting round steel is set to 150-160mm, scribbles paraffin at the surface uniform of heat resisting steel;
B, batching: by superhigh intensity wear-resistant castable and water proportioning, make castable;
C, stirring: described castable machine,massing is stirred, rotating speed controls as 600-1000r/min, and mixing time controls as 5-6min;
D, first time cast: wrap described framework with wooden model, pour into a mould, cast is highly 800-1200mm, and cast thickness is 160-180mm, carry out jolt ramming 3-5min with vibrating head after cast is good;
E, second time cast: pour into a mould second segment with wooden model after first paragraph being poured into a mould jolt ramming, second segment height is 1200-1400mm, and building thickness is 160-180mm, carry out jolt ramming 5-6min with vibrating head after cast is good;
F, the 3rd section of cast: after second segment being poured into a mould after jolt ramming, on the wooden model of described parcel framework, third time cast is carried out in punching, and building is highly 600-1000mm, and cast thickness is 160-180mm, carries out jolt ramming 3-4min after cast is good with vibrating head;
G, shaping: after the 3rd section of cast jolt ramming, take off wooden model, shaping is carried out to castable surface, obtained deflector.
2. the pouring procedure of the deflector of Cement Dry Process Kiln Product cyclone preheater according to claim 1, is characterized in that, heat-resisting round steel described is in step set to 1Crl8Ni9Ti material;
Preferably, the thickness of described paraffin is 4-8mm.
3. the pouring procedure of the deflector of Cement Dry Process Kiln Product cyclone preheater according to claim 1, is characterized in that, in stepb, relative to superhigh intensity wear-resistant castable described in 100 weight portions, the consumption of described water is 4-5 weight portion;
Preferably, be mixed with auxiliary material in described superhigh intensity wear-resistant castable, described auxiliary material is fiber;
More preferably, relative to superhigh intensity wear-resistant castable described in 100 weight portions, described fiber consumption is 6-8 weight portion;
Further preferably, described superhigh intensity wear-resistant castable meets the following conditions: heat resisting temperature≤1650 DEG C, at 1100 DEG C, compressive resistance >=120MPa under 24h condition, and wearability≤8cc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510518097.XA CN105171895A (en) | 2015-08-24 | 2015-08-24 | Method for pouring guide plate of cyclone preheater of cement dry-process kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510518097.XA CN105171895A (en) | 2015-08-24 | 2015-08-24 | Method for pouring guide plate of cyclone preheater of cement dry-process kiln |
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| Publication Number | Publication Date |
|---|---|
| CN105171895A true CN105171895A (en) | 2015-12-23 |
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| CN201510518097.XA Pending CN105171895A (en) | 2015-08-24 | 2015-08-24 | Method for pouring guide plate of cyclone preheater of cement dry-process kiln |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4062913A (en) * | 1975-07-17 | 1977-12-13 | Ab Institutet For Innovationsteknik | Method of reinforcing concrete with fibres |
| CN1994958A (en) * | 2006-12-19 | 2007-07-11 | 安徽省宁国市耐火材料有限责任公司 | Super intensified abrasion-proof pouring material |
| JP2007198682A (en) * | 2006-01-27 | 2007-08-09 | Takuma Co Ltd | Thermal storage deodorizing system |
| CN101302112A (en) * | 2008-06-20 | 2008-11-12 | 范圣良 | High-strength wear-resistant pouring material for aerial refuse incinerator |
| CN101328073A (en) * | 2008-07-22 | 2008-12-24 | 马鞍山市金马炉业有限责任公司 | Self-reinforcing type ceramic fibre pouring material and preparation thereof |
| CN201875348U (en) * | 2010-07-23 | 2011-06-22 | 陈晓军 | CFB boiler-used high temperature metallic expansion joint |
| CN202725357U (en) * | 2012-07-27 | 2013-02-13 | 大连易世达新能源发展股份有限公司 | Horizontal type cyclone separator |
-
2015
- 2015-08-24 CN CN201510518097.XA patent/CN105171895A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4062913A (en) * | 1975-07-17 | 1977-12-13 | Ab Institutet For Innovationsteknik | Method of reinforcing concrete with fibres |
| JP2007198682A (en) * | 2006-01-27 | 2007-08-09 | Takuma Co Ltd | Thermal storage deodorizing system |
| CN1994958A (en) * | 2006-12-19 | 2007-07-11 | 安徽省宁国市耐火材料有限责任公司 | Super intensified abrasion-proof pouring material |
| CN101302112A (en) * | 2008-06-20 | 2008-11-12 | 范圣良 | High-strength wear-resistant pouring material for aerial refuse incinerator |
| CN101328073A (en) * | 2008-07-22 | 2008-12-24 | 马鞍山市金马炉业有限责任公司 | Self-reinforcing type ceramic fibre pouring material and preparation thereof |
| CN201875348U (en) * | 2010-07-23 | 2011-06-22 | 陈晓军 | CFB boiler-used high temperature metallic expansion joint |
| CN202725357U (en) * | 2012-07-27 | 2013-02-13 | 大连易世达新能源发展股份有限公司 | Horizontal type cyclone separator |
Non-Patent Citations (1)
| Title |
|---|
| 黎运树: "耐火浇注料在旋风筒导流板上的应用", 《水泥》 * |
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Application publication date: 20151223 |
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