CN110885951A - Fire grate formula - Google Patents
Fire grate formula Download PDFInfo
- Publication number
- CN110885951A CN110885951A CN201911163335.4A CN201911163335A CN110885951A CN 110885951 A CN110885951 A CN 110885951A CN 201911163335 A CN201911163335 A CN 201911163335A CN 110885951 A CN110885951 A CN 110885951A
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- Prior art keywords
- grate
- parts
- fire grate
- raw materials
- molybdenum
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/04—Making ferrous alloys by melting
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Glass Compositions (AREA)
Abstract
The invention discloses a fire grate formula, which comprises 0.3-0.5 part of carbon C, 1.0-2.5 parts of silicon Si, 0-1.5 parts of manganese Mn, 0-0.04 part of sulfur S, 0-0.03 part of phosphorus P, 25-28 parts of chromium Cr, 3.0-6.0 parts of nickel Ni and 0-0.5 part of molybdenum Mo, wherein when the fire grate is prepared, 0.4 part of carbon C, 1.8 parts of silicon Si, 0.8 part of manganese Mn, 0.03 part of sulfur S, 27.2 parts of chromium Cr, 5.5 parts of nickel Ni and 0.2 part of molybdenum Mo are placed in a mixer at 50-55 ℃ to be uniformly stirred, then the uniformly mixed materials are placed in a smelting furnace to be smelted at 1550-1650 ℃ to be melted and then kept for 10-15min at the temperature of 1550-1650 ℃ to ensure that various metal raw materials in the solution are fully mixed together, the solution is poured into a prepared fire grate to be molded, the fire grate produced by the invention has high temperature resistance and corrosion resistance, is convenient to install and has high reuse rate.
Description
Technical Field
The invention relates to the technical field of fire grate formulas, in particular to a fire grate formula.
Background
A boiler or an industrial furnace is a unit for stacking and efficiently burning solid fuel. The whole fire grate mainly comprises a frame and a fire grate segment. The grate segments are usually made of cast iron, the necessary ventilation gaps are maintained between the segments after assembly, and separate ventilation chambers capable of adjusting air volume are arranged below the grate so that air can enter the fuel layer through the gaps for combustion. The burnt ash is discharged by manual or mechanical method. The grate can be of fixed type, movable type, reciprocating type, vibrating type, underfeed type and the like.
The manufacturing process of the grate is inherently important, but the formulation of the grate directly affects the corrosion resistance and high temperature resistance of the grate.
Disclosure of Invention
The present invention is directed to a fire grate formulation that solves the problems set forth above in the background.
In order to achieve the purpose, the invention provides the following technical scheme: a fire grate formula comprises 0.3-0.5 part of carbon C, 1.0-2.5 parts of silicon Si, 0-1.5 parts of manganese Mn, 0-0.04 part of sulfur S, 0-0.03 part of phosphorus P, 25-28 parts of chromium Cr, 3.0-6.0 parts of nickel Ni and 0-0.5 part of molybdenum Mo.
Preferably, the carbon C is 0.4 part, the silicon Si is 1.8 parts, the manganese Mn is 0.8 part, the sulfur S is 0.03 part, the phosphorus P is 0.028 part, the chromium Cr is 27.2 parts, the nickel Ni is 5.5 parts, and the molybdenum Mo is 0.2 part.
Preferably, the carbon C, the silicon Si, the manganese Mn, the chromium Cr, the nickel and the molybdenum Mo are subjected to heating and drying treatment, the heating and drying temperature is controlled to be between 40 and 45 ℃, and the drying time is 30 to 35 min.
Preferably, 0.4 part of carbon C, 1.8 parts of silicon Si, 0.8 part of manganese Mn, 0.03 part of sulfur S, 27.2 parts of chromium Cr, 5.5 parts of nickel Ni and 0.2 part of molybdenum Mo are put together at the high temperature of 1550-1600 ℃ for melting.
Preferably, the formula of the fire grate comprises the following steps:
A. preparing ingredients: preparing raw materials for preparing a grate;
B. and (3) drying treatment: heating carbon C, silicon Si, manganese Mn, chromium Cr, nickel Ni and molybdenum Mo at 40-45 ℃ for 30-35min for drying treatment, mixing the heated and dried raw materials, pouring the mixture into a stirring device, and stirring and mixing;
C. putting the mixed raw materials into a smelting furnace, and smelting at the high temperature of 1550-1600 ℃, and keeping the molten raw materials at the high temperature of 1550-1600 ℃ for 10-15min after the raw materials are completely smelted;
D. pouring the melted raw materials into a grate mold, placing the poured grate mold grooves into a heat preservation box together, and cooling along with the heat preservation box;
E. taking out the cooled and formed grate, and standing at normal temperature to reduce the temperature of the grate and the mold to normal temperature;
F. then the cooled fire grate and the formed glass sand mould are placed in an electric heating furnace together for heating, and nitrogen is introduced at the same time to burn out the outer shell of the glass sand mould outside the fire grate;
G. taking out the fire grate, and trimming and grinding the fire grate.
Preferably, the temperature of the incubator is controlled at 900 ℃.
Compared with the prior art, the invention has the beneficial effects that:
(1) placing the poured fire grate mold grooves into a heat preservation box at 900 ℃, and carrying out heat treatment on the fire grate to eliminate stress of the fire grate and improve the cutting capability of machining;
(2) the fire grate produced by the invention has high temperature resistance and corrosion resistance, is convenient to install and has high reuse rate.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides the following technical scheme: a fire grate formulation characterized by: comprises 0.3-0.5 part of carbon C, 1.0-2.5 parts of silicon Si, 0-1.5 parts of manganese Mn, 0-0.04 part of sulfur S, 0-0.03 part of phosphorus P, 25-28 parts of chromium Cr, 3.0-6.0 parts of nickel Ni and 0-0.5 part of molybdenum Mo.
0.4 part of carbon C, 1.8 parts of silicon Si, 0.8 part of manganese Mn, 0.03 part of sulfur S, 0.028 part of phosphorus P, 27.2 parts of chromium Cr, 5.5 parts of nickel Ni and 0.2 part of molybdenum Mo.
The carbon C, the silicon Si, the manganese Mn, the chromium Cr, the nickel and the molybdenum Mo are heated and dried, the heating and drying temperature is controlled between 40 ℃ and 45 ℃, and the drying time is 30-35 min.
0.4 part of carbon C, 1.8 parts of silicon Si, 0.8 part of manganese Mn, 0.03 part of sulfur S, 27.2 parts of chromium Cr, 5.5 parts of nickel Ni and 0.2 part of molybdenum Mo are put together at the high temperature of 1550-1600 ℃ for melting.
A fire grate formula, and a method for processing and preparing the fire grate by the formula comprises the following steps:
A. preparing ingredients: preparing raw materials for preparing a grate;
B. and (3) drying treatment: heating carbon C, silicon Si, manganese Mn, chromium Cr, nickel Ni and molybdenum Mo at 40-45 ℃ for 30-35min for drying treatment, mixing the heated and dried raw materials, pouring the mixture into a stirring device, and stirring and mixing;
C. putting the mixed raw materials into a smelting furnace, and smelting at the high temperature of 1550-1600 ℃, and keeping the molten raw materials at the high temperature of 1550-1600 ℃ for 10-15min after the raw materials are completely smelted;
D. pouring the melted raw materials into a grate mold, placing the poured grate mold grooves into a heat preservation box together, and cooling along with the heat preservation box;
E. taking out the cooled and formed grate, and standing at normal temperature to reduce the temperature of the grate and the mold to normal temperature;
F. then the cooled fire grate and the formed glass sand mould are placed in an electric heating furnace together for heating, and nitrogen is introduced at the same time to burn out the outer shell of the glass sand mould outside the fire grate;
G. taking out the fire grate, and trimming and grinding the fire grate.
The temperature of the incubator is controlled at 900 ℃.
Example 1, when preparing a grate, materials of carbon C, silicon Si, manganese Mn, sulfur S, phosphorus P, chromium Cr, nickel Ni, and molybdenum Mo are prepared, and the carbon C, the silicon Si, the manganese Mn, the chromium Cr, the nickel, and the molybdenum Mo are all dried by heating, wherein the temperature of the heating and drying is controlled between 40 ℃ and 45 ℃, the drying time is 30-35min, and the raw materials which are dried by heating are mixed and poured into a stirring device to be uniformly stirred and mixed.
0.3 part of carbon C, 1.0 part of silicon Si, 0.9 part of manganese Mn, 0.02 part of sulfur S, 0.02 part of phosphorus P, 25 parts of chromium Cr, 3.5 parts of nickel Ni3 and 0.2 part of molybdenum Mo are put together at the high temperature of 1550-1600 ℃ for melting, and after the raw materials are completely melted, the melted raw materials are kept at the high temperature of 1550-1600 ℃ for 10-15min, so that various raw materials in the solution are fully mixed.
Pouring the melted raw materials into a grate mold, placing the poured grate mold groove into a 900 ℃ heat preservation box together, cooling the mold along with the heat preservation box, taking out the cooled and formed grate, and standing at normal temperature to cool the grate and the mold to the normal temperature.
And then the cooled fire grate and the formed glass sand mould are placed in an electric heating furnace together for heating, nitrogen is introduced at the same time, the glass sand mould shell outside the fire grate is burnt out, the fire grate is taken out, the fire grate is trimmed and polished, and finally the fire grate is finished.
Example 2, when preparing the fire grate, the materials of carbon C, silicon Si, manganese Mn, sulfur S, phosphorus P, chromium Cr, nickel Ni, and molybdenum Mo are prepared, and the materials of carbon C, silicon Si, manganese Mn, chromium Cr, nickel, and molybdenum Mo are all dried by heating, the temperature of the heating and drying is controlled between 40 ℃ and 45 ℃, the drying time is 30-35min, and the raw materials dried by heating are mixed and poured into a stirring device to be uniformly stirred and mixed.
0.4 part of carbon C, 1.2 parts of silicon Si, 1.0 part of manganese Mn, 0.025 part of sulfur S, 0.022 part of phosphorus P, 26 parts of chromium Cr, 4 parts of nickel Ni and 0.3 part of molybdenum Mo are put together at the high temperature of 1550-1600 ℃ for melting, and after the raw materials are completely melted, the melted raw materials are kept at the high temperature of 1550-1600 ℃ for 10-15min, so that various raw materials in the solution are fully mixed.
Pouring the melted raw materials into a grate mold, placing the poured grate mold groove into a 900 ℃ heat preservation box together, cooling the mold along with the heat preservation box, taking out the cooled and formed grate, and standing at normal temperature to cool the grate and the mold to the normal temperature.
And then the cooled fire grate and the formed glass sand mould are placed in an electric heating furnace together for heating, nitrogen is introduced at the same time, the glass sand mould shell outside the fire grate is burnt out, the fire grate is taken out, the fire grate is trimmed and polished, and finally the fire grate is finished.
Example 3, when preparing the grate, the materials of carbon C, silicon Si, manganese Mn, sulfur S, phosphorus P, chromium Cr, nickel Ni, and molybdenum Mo were prepared, and the materials of carbon C, silicon Si, manganese Mn, chromium Cr, nickel, and molybdenum Mo were dried by heating, the temperature of the drying was controlled between 40 ℃ and 45 ℃ and the drying time was 30 to 35min, and the dried materials were mixed and poured into a stirring device to be stirred and mixed uniformly.
0.45 part of carbon C, 1.3 parts of silicon Si, 1.1 parts of manganese Mn, 0.03 part of sulfur S, 0.024 part of phosphorus P, 27 parts of chromium Cr, 4.5 parts of nickel Ni and 0.4 part of molybdenum Mo are put together at the high temperature of 1550-1600 ℃ for melting, and after the raw materials are completely melted, the melted raw materials are kept at the high temperature of 1550-1600 ℃ for 10-15min, so that various raw materials in the solution are fully mixed.
Pouring the melted raw materials into a grate mold, placing the poured grate mold groove into a 900 ℃ heat preservation box together, cooling the mold along with the heat preservation box, taking out the cooled and formed grate, and standing at normal temperature to cool the grate and the mold to the normal temperature.
And then the cooled fire grate and the formed glass sand mould are placed in an electric heating furnace together for heating, nitrogen is introduced at the same time, the glass sand mould shell outside the fire grate is burnt out, the fire grate is taken out, the fire grate is trimmed and polished, and finally the fire grate is finished.
Example 4, when preparing the grate, the materials of carbon C, silicon Si, manganese Mn, sulfur S, phosphorus P, chromium Cr, nickel Ni, and molybdenum Mo were prepared, and the materials of carbon C, silicon Si, manganese Mn, chromium Cr, nickel, and molybdenum Mo were dried by heating, the temperature of the drying was controlled between 40 ℃ and 45 ℃ and the drying time was 30 to 35min, and the dried materials were mixed and poured into a stirring device to be stirred and mixed uniformly.
0.5 part of carbon C, 1.4 parts of silicon Si, 1.3 parts of manganese Mn, 0.03 part of sulfur S, 0.026 part of phosphorus P, 27 parts of chromium Cr, 4.5 parts of nickel Ni and 0.4 part of molybdenum Mo are put together at the high temperature of 1550-1600 ℃ for melting, and after the raw materials are completely melted, the melted raw materials are kept at the high temperature of 1550-1600 ℃ for 10-15min, so that various raw materials in the solution are fully mixed.
Pouring the melted raw materials into a grate mold, placing the poured grate mold groove into a 900 ℃ heat preservation box together, cooling the mold along with the heat preservation box, taking out the cooled and formed grate, and standing at normal temperature to cool the grate and the mold to the normal temperature.
And then the cooled fire grate and the formed glass sand mould are placed in an electric heating furnace together for heating, nitrogen is introduced at the same time, the glass sand mould shell outside the fire grate is burnt out, the fire grate is taken out, the fire grate is trimmed and polished, and finally the fire grate is finished.
Example 5, when preparing the grate, the materials of carbon C, silicon Si, manganese Mn, sulfur S, phosphorus P, chromium Cr, nickel Ni, and molybdenum Mo were prepared, and the materials of carbon C, silicon Si, manganese Mn, chromium Cr, nickel, and molybdenum Mo were dried by heating, the temperature of the drying was controlled between 40 ℃ and 45 ℃ and the drying time was 30 to 35min, and the dried materials were mixed and poured into a stirring device to be stirred and mixed uniformly.
0.5 part of carbon C, 1.8 parts of silicon Si, 1.4 parts of manganese Mn, 0.04 part of sulfur S, 0.028 part of phosphorus P, 28 parts of chromium Cr, 5.0 parts of nickel Ni and 0.5 part of molybdenum Mo are put together at the high temperature of 1550-1600 ℃ for melting, and after the raw materials are completely melted, the melted raw materials are kept at the high temperature of 1550-1600 ℃ for 10-15min, so that various raw materials in the solution are fully mixed.
Pouring the melted raw materials into a grate mold, placing the poured grate mold groove into a 900 ℃ heat preservation box together, cooling the mold along with the heat preservation box, taking out the cooled and formed grate, and standing at normal temperature to cool the grate and the mold to the normal temperature.
And then the cooled fire grate and the formed glass sand mould are placed in an electric heating furnace together for heating, nitrogen is introduced at the same time, the glass sand mould shell outside the fire grate is burnt out, the fire grate is taken out, the fire grate is trimmed and polished, and finally the fire grate is finished.
Example 6, when preparing the grate, the materials of carbon C, silicon Si, manganese Mn, sulfur S, phosphorus P, chromium Cr, nickel Ni, and molybdenum Mo were prepared, and the materials of carbon C, silicon Si, manganese Mn, chromium Cr, nickel, and molybdenum Mo were dried by heating, the temperature of the drying was controlled between 40 ℃ and 45 ℃ and the drying time was 30 to 35min, and the dried materials were mixed and poured into a stirring device to be stirred and mixed uniformly.
0.5 part of carbon C, 2.2 parts of silicon Si, 1.5 parts of manganese Mn, 0.04 part of sulfur S, 0.03 part of phosphorus P, 28 parts of chromium Cr, 5.5 parts of nickel Ni5 and 0.5 part of molybdenum Mo are put together at the high temperature of 1550-1600 ℃ for melting, and after the raw materials are completely melted, the melted raw materials are kept at the high temperature of 1550-1600 ℃ for 10-15min, so that various raw materials in the solution are fully mixed.
Pouring the melted raw materials into a grate mold, placing the poured grate mold groove into a 900 ℃ heat preservation box together, cooling the mold along with the heat preservation box, taking out the cooled and formed grate, and standing at normal temperature to cool the grate and the mold to the normal temperature.
And then the cooled fire grate and the formed glass sand mould are placed in an electric heating furnace together for heating, nitrogen is introduced at the same time, the glass sand mould shell outside the fire grate is burnt out, the fire grate is taken out, the fire grate is trimmed and polished, and finally the fire grate is finished.
Example 7, when preparing the grate, the materials of carbon C, silicon Si, manganese Mn, sulfur S, phosphorus P, chromium Cr, nickel Ni, and molybdenum Mo were prepared, and the materials of carbon C, silicon Si, manganese Mn, chromium Cr, nickel, and molybdenum Mo were dried by heating, the temperature of the drying was controlled between 40 ℃ and 45 ℃ and the drying time was 30 to 35min, and the dried materials were mixed and poured into a stirring device to be stirred and mixed uniformly.
0.4 part of carbon C, 1.8 parts of silicon Si, 0.8 part of manganese Mn, 0.03 part of sulfur S, 0.028 part of phosphorus P, 27.7 parts of chromium Cr, 5.5 parts of nickel Ni and 0.2 part of molybdenum Mo are put together at the high temperature of 1550-1600 ℃ for melting, and after the raw materials are completely melted, the melted raw materials are kept at the high temperature of 1550-1600 ℃ for 10-15min, so that various raw materials in the solution are fully mixed.
Pouring the melted raw materials into a grate mold, placing the poured grate mold groove into a 900 ℃ heat preservation box together, cooling the mold along with the heat preservation box, taking out the cooled and formed grate, and standing at normal temperature to cool the grate and the mold to the normal temperature.
And then the cooled fire grate and the formed glass sand mould are placed in an electric heating furnace together for heating, nitrogen is introduced at the same time, the glass sand mould shell outside the fire grate is burnt out, the fire grate is taken out, the fire grate is trimmed and polished, and finally the fire grate is finished.
According to actual detection of the fire grates prepared according to different proportions, the fire grates prepared by 0.4 part of carbon C, 1.8 parts of silicon Si, 0.8 part of manganese Mn, 0.03 part of sulfur S, 0.028 part of phosphorus P, 27.7 parts of chromium Cr, 5.5 parts of nickel Ni and 0.2 part of molybdenum Mo have the best high temperature resistance and corrosion resistance effects.
In conclusion, the fire grate produced by the invention has high temperature resistance and corrosion resistance, is convenient to install and has high reuse rate.
The invention has the beneficial effects that:
(1) placing the poured fire grate mold grooves into a heat preservation box at 900 ℃, and carrying out heat treatment on the fire grate to eliminate stress of the fire grate and improve the cutting capability of machining;
(2) the fire grate produced by the invention has high temperature resistance and corrosion resistance, is convenient to install and has high reuse rate.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A fire grate formulation characterized by: comprises 0.3-0.5 part of carbon C, 1.0-2.5 parts of silicon Si, 0-1.5 parts of manganese Mn, 0-0.04 part of sulfur S, 0-0.03 part of phosphorus P, 25-28 parts of chromium Cr, 3.0-6.0 parts of nickel Ni and 0-0.5 part of molybdenum Mo.
2. A grate formulation in accordance with claim 1 wherein: 0.4 part of carbon C, 1.8 parts of silicon Si, 0.8 part of manganese Mn, 0.03 part of sulfur S, 0.028 part of phosphorus P, 27.2 parts of chromium Cr, 5.5 parts of nickel Ni and 0.2 part of molybdenum Mo.
3. A grate formulation in accordance with claim 1 wherein: the carbon C, the silicon Si, the manganese Mn, the chromium Cr, the nickel and the molybdenum Mo are subjected to heating and drying treatment, the heating and drying temperature is controlled to be between 40 and 45 ℃, and the drying time is 30 to 35 min.
4. A grate formulation in accordance with claim 1 wherein: 0.4 part of carbon C, 1.8 parts of silicon Si, 0.8 part of manganese Mn, 0.03 part of sulfur S, 27.2 parts of chromium Cr, 5.5 parts of nickel Ni and 0.2 part of molybdenum Mo are put together and melted at the high temperature of 1550-1600 ℃.
5. The formulation for forming a grate of claim 1, wherein the formulation is processed to form a grate comprising the steps of:
A. preparing ingredients: preparing raw materials for preparing a grate;
B. and (3) drying treatment: heating carbon C, silicon Si, manganese Mn, chromium Cr, nickel Ni and molybdenum Mo at 40-45 ℃ for 30-35min for drying treatment, mixing the heated and dried raw materials, pouring the mixture into a stirring device, and stirring and mixing;
C. putting the mixed raw materials into a smelting furnace, and smelting at the high temperature of 1550-1600 ℃, and keeping the molten raw materials at the high temperature of 1550-1600 ℃ for 10-15min after the raw materials are completely smelted;
D. pouring the melted raw materials into a grate mold, placing the poured grate mold grooves into a heat preservation box together, and cooling along with the heat preservation box;
E. taking out the cooled and formed grate, and standing at normal temperature to reduce the temperature of the grate and the mold to normal temperature;
F. then the cooled fire grate and the formed glass sand mould are placed in an electric heating furnace together for heating, and nitrogen is introduced at the same time to burn out the outer shell of the glass sand mould outside the fire grate;
G. taking out the fire grate, and trimming and grinding the fire grate.
6. A grate formulation according to claim 5, wherein: the temperature of the heat preservation box is controlled at 900 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911163335.4A CN110885951A (en) | 2019-11-25 | 2019-11-25 | Fire grate formula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911163335.4A CN110885951A (en) | 2019-11-25 | 2019-11-25 | Fire grate formula |
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| Publication Number | Publication Date |
|---|---|
| CN110885951A true CN110885951A (en) | 2020-03-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911163335.4A Pending CN110885951A (en) | 2019-11-25 | 2019-11-25 | Fire grate formula |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113528930A (en) * | 2020-04-21 | 2021-10-22 | 江苏金力弹簧科技有限公司 | Stamped spring piece and production process thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008297601A (en) * | 2007-05-31 | 2008-12-11 | Nisshin Steel Co Ltd | Austenitic stainless steel for press plate |
| JP2010100877A (en) * | 2008-10-22 | 2010-05-06 | Jfe Steel Corp | Method for manufacturing hot-rolled ferritic stainless steel sheet excellent in toughness |
| CN104846283A (en) * | 2015-06-01 | 2015-08-19 | 杭州绿能环保发电有限公司 | Refuse incinerator fire grate segment |
| CN107254641A (en) * | 2017-06-02 | 2017-10-17 | 江阴国润机械有限公司 | High temperature oxidation resisting fire grate segment and its casting mold and pouring technology |
-
2019
- 2019-11-25 CN CN201911163335.4A patent/CN110885951A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008297601A (en) * | 2007-05-31 | 2008-12-11 | Nisshin Steel Co Ltd | Austenitic stainless steel for press plate |
| JP2010100877A (en) * | 2008-10-22 | 2010-05-06 | Jfe Steel Corp | Method for manufacturing hot-rolled ferritic stainless steel sheet excellent in toughness |
| CN104846283A (en) * | 2015-06-01 | 2015-08-19 | 杭州绿能环保发电有限公司 | Refuse incinerator fire grate segment |
| CN107254641A (en) * | 2017-06-02 | 2017-10-17 | 江阴国润机械有限公司 | High temperature oxidation resisting fire grate segment and its casting mold and pouring technology |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113528930A (en) * | 2020-04-21 | 2021-10-22 | 江苏金力弹簧科技有限公司 | Stamped spring piece and production process thereof |
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