CN112432163A - Purified hot air production equipment and method suitable for spray drying of ceramic tiles - Google Patents
Purified hot air production equipment and method suitable for spray drying of ceramic tiles Download PDFInfo
- Publication number
- CN112432163A CN112432163A CN202011430791.3A CN202011430791A CN112432163A CN 112432163 A CN112432163 A CN 112432163A CN 202011430791 A CN202011430791 A CN 202011430791A CN 112432163 A CN112432163 A CN 112432163A
- Authority
- CN
- China
- Prior art keywords
- pulverized coal
- hot air
- combustion
- air
- combustion furnace
- 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.)
- Pending
Links
- 238000001694 spray drying Methods 0.000 title claims abstract description 20
- 239000000919 ceramic Substances 0.000 title claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title abstract description 6
- 239000003245 coal Substances 0.000 claims abstract description 49
- 238000002485 combustion reaction Methods 0.000 claims abstract description 31
- 239000000428 dust Substances 0.000 claims abstract description 17
- 239000007921 spray Substances 0.000 claims abstract description 13
- 239000010883 coal ash Substances 0.000 claims abstract description 12
- 238000005507 spraying Methods 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000009423 ventilation Methods 0.000 claims description 3
- 238000004887 air purification Methods 0.000 claims description 2
- 239000000843 powder Substances 0.000 abstract description 7
- 239000003818 cinder Substances 0.000 abstract description 6
- 238000001035 drying Methods 0.000 abstract description 6
- 239000011449 brick Substances 0.000 abstract description 3
- 238000010298 pulverizing process Methods 0.000 abstract description 3
- 239000002002 slurry Substances 0.000 description 10
- 239000002245 particle Substances 0.000 description 3
- 230000008676 import Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000011362 coarse particle Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H3/00—Air heaters
- F24H3/008—Air heaters using solid fuel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/16—Evaporating by spraying
- B01D1/18—Evaporating by spraying to obtain dry solids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/30—Accessories for evaporators ; Constructional details thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C7/00—Combustion apparatus characterised by arrangements for air supply
- F23C7/002—Combustion apparatus characterised by arrangements for air supply the air being submitted to a rotary or spinning motion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K1/00—Preparation of lump or pulverulent fuel in readiness for delivery to combustion apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K3/00—Feeding or distributing of lump or pulverulent fuel to combustion apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1854—Arrangement or mounting of grates or heating means for air heaters
- F24H9/1877—Arrangement or mounting of combustion heating means, e.g. grates or burners
- F24H9/189—Arrangement or mounting of combustion heating means, e.g. grates or burners using solid fuel
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Drying Of Solid Materials (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a purified hot air production device and a method suitable for spray drying of ceramic tiles, wherein a pulverized coal combustion furnace is provided with 2 combustion-supporting air ports, the upper part of the pulverized coal combustion furnace is provided with a hot air outlet which is connected with an inlet of a settling chamber, an air outlet of the settling chamber is connected with an inlet of a cyclone dust collector, and an outlet of the cyclone dust collector is connected with an air inlet of a spray drying tower. Spraying pulverized coal into the pulverized coal combustion furnace through a pulverized coal spray gun; 2 combustion-supporting air ports on the pulverized coal combustion furnace are fed into upper and lower layers of combustion-supporting air, the combustion-supporting air forms spiral air flow in the combustion furnace, and the generated hot air enters the cyclone dust collector through the settling chamber to remove coal ash carried by the hot air. The invention grinds coal into powder, the combustion is more complete, the hot wind rotates to remove a large amount of coal cinder when the pulverized coal is combusted in the combustion furnace, the coal ash is removed through a square settling chamber and a cyclone dust collector, and the hot wind is purified to meet the requirement of the production of drying and pulverizing of a ceramic brick spray tower.
Description
Technical Field
The invention relates to a hot air purification method for preparing powder from slurry by drying in a spray drying tower in the production of ceramic tiles.
Background
During the production of ceramic tiles, the ground slurry needs to be dried to form powder particles. The spray tower apparatus is an apparatus for drying slurry in the production of ceramics by introducing hot air into a spray tower, spraying the slurry upward from the bottom of the spray tower through a nozzle, and contacting the slurry with the hot air of high temperature to dry the slurry into powder particles. The chain grate furnace used by the traditional slurry drying and spraying tower seriously influences the quality of ceramic tiles because of excessive coal cinder in hot air and incomplete combustion of coal in the coal cinder. The water content of the coal water slurry is 36-42%, and the energy consumption is increased because the hot air produced by the coal water slurry furnace is brought into water from the outside.
Disclosure of Invention
The invention aims to provide a production method for purifying hot air, which can enable the hot air to meet the quality requirement when ceramic tile slurry is prepared into powder through spray drying.
The technical scheme adopted by the invention is as follows: the utility model provides a hot-blast production facility of purification suitable ceramic brick spray drying, includes that buggy fires burning furnace, air-blower, settling chamber, cyclone and spray column, buggy fires burning furnace and is equipped with 2 combustion-supporting wind gaps, and the upper portion is equipped with hot-blast export and links to each other with the import of settling chamber, and the gas outlet of settling chamber links to each other with cyclone's import, and cyclone's export links to each other with spray drying column's air intake.
And water seals are arranged at the bottoms of the settling chamber and the cyclone dust collector.
The invention adopts a purification method suitable for ceramic tile spray drying hot air, wherein pulverized coal is sprayed into a pulverized coal combustion furnace through a pulverized coal spray gun; 2 combustion-supporting air ports on the pulverized coal combustion furnace are fed into upper and lower layers of combustion-supporting air, and the combustion-supporting air forms spiral air flow in the combustion furnace; the generated hot air enters the settling chamber through a ventilation pipe at the top of the pulverized coal combustion furnace, then enters the cyclone dust collector, removes coal ash carried by the hot air, and then enters the spray drying tower.
The pulverized coal is 100-mesh pulverized coal.
The invention grinds coal into powder, the combustion is more complete, the hot wind rotates to remove a large amount of coal cinder when the pulverized coal is combusted in the combustion furnace, the coal ash is removed through a square settling chamber and a cyclone dust collector, and the hot wind is purified to meet the requirement of the production of drying and pulverizing of a ceramic brick spray tower.
Drawings
FIG. 1 is a schematic flow diagram of the present invention;
in the figure, 1 is a pulverized coal combustion furnace, 2 is a pulverized coal spray gun, 3 is a blower, 4 is a settling chamber, 5 is a cyclone dust collector, 6 is a spray tower, 7 is a water seal I, and 8 is a water seal II.
Detailed Description
For a better understanding and an enabling description of the present invention, reference is made to the following examples which are set forth to illustrate, but are not to be construed to limit the present invention.
As can be seen from figure 1, the invention relates to purified hot air production equipment suitable for spray drying of ceramic tiles, which comprises a pulverized coal combustion furnace, an air blower, a settling chamber, a cyclone dust collector and a spray tower, wherein the pulverized coal combustion furnace is provided with 2 combustion-supporting air ports, the upper part of the pulverized coal combustion furnace is provided with a hot air outlet connected with an inlet of the settling chamber, an air outlet of the settling chamber is connected with an inlet of the cyclone dust collector, and an outlet of the cyclone dust collector is connected with an air inlet of the spray drying tower.
The production method of the spray-dried purified hot air comprises the following steps:
the coal is ground into 100 meshes of pulverized coal and is sprayed into the pulverized coal combustion furnace 1 through a pulverized coal spray gun 2. 2 combustion-supporting air ports on a pulverized coal combustion furnace of a blower 3 are fed into upper and lower layers of combustion-supporting air, and the combustion-supporting air forms spiral airflow in the combustion furnace; the pulverized coal is rotated and combusted along with combustion-supporting air in the combustion furnace 1, coal ash generated by combustion sinks, coarse particles and coal cinder bonded together are rotated to the outer layer of hot air by spiral airflow and naturally slide to a water seal I7 at the bottom of the pulverized coal combustion furnace when touching a furnace wall, and the large coal cinder is removed. The generated hot air enters a settling chamber 4 through a ventilation pipe at the top of the pulverized coal combustion furnace and then enters a cyclone dust collector 5, the coal ash carried by the hot air is removed, and the coal ash falls to a water seal II 8 and then enters a spray drying tower 6. After the hot air entering the spray drying tower 6 is purified by the settling chamber 4 and the cyclone dust collector 5, a large amount of coal ash is removed, and the requirement of drying and pulverizing ceramic tiles is met. Meanwhile, the pulverized coal is burnt completely, the residual heat value of the generated coal ash is lower than 400KJ/KG, the coal ash particles are small, and a small amount of coal ash which is not cleaned completely does not influence the subsequent ceramic production quality.
The product impurity proportion produced by the existing process line is 2.5% on average, after the purified hot air provided by the invention is adopted to produce powder, the product impurity proportion is reduced to 1.5%, the goodness rate is improved by 1%, the high-class product is increased by 20 ten thousand in each year, and the profit is increased by 180 ten thousand yuan.
Claims (4)
1. A hot air purification production device suitable for ceramic tile spray drying is characterized in that: the pulverized coal combustion furnace is provided with 2 combustion-supporting air ports, a hot air outlet is formed in the upper portion of the pulverized coal combustion furnace and connected with an inlet of the settling chamber, an air outlet of the settling chamber is connected with an inlet of the cyclone dust collector, and an outlet of the cyclone dust collector is connected with an air inlet of the spray drying tower.
2. The apparatus for producing purified hot air suitable for spray drying ceramic tiles according to claim 1, wherein: and water seals are arranged at the bottoms of the settling chamber and the cyclone dust collector.
3. A method for producing purified hot air suitable for ceramic tile spray drying hot air is characterized in that: spraying pulverized coal into the pulverized coal combustion furnace through a pulverized coal spray gun; 2 combustion-supporting air ports on the pulverized coal combustion furnace are fed into upper and lower layers of combustion-supporting air, and the combustion-supporting air forms spiral air flow in the combustion furnace; the generated hot air enters the settling chamber through a ventilation pipe at the top of the pulverized coal combustion furnace, then enters the cyclone dust collector, removes coal ash carried by the hot air, and then enters the spray drying tower.
4. A method for producing purified hot air suitable for the spray drying of ceramic tiles according to claim 3, characterized in that: the pulverized coal is 100-mesh pulverized coal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011430791.3A CN112432163A (en) | 2020-12-09 | 2020-12-09 | Purified hot air production equipment and method suitable for spray drying of ceramic tiles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011430791.3A CN112432163A (en) | 2020-12-09 | 2020-12-09 | Purified hot air production equipment and method suitable for spray drying of ceramic tiles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112432163A true CN112432163A (en) | 2021-03-02 |
Family
ID=74692571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011430791.3A Pending CN112432163A (en) | 2020-12-09 | 2020-12-09 | Purified hot air production equipment and method suitable for spray drying of ceramic tiles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112432163A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115999176A (en) * | 2022-12-30 | 2023-04-25 | 佛山市骏鹰环境能源科技有限公司 | Ceramic drying and granulating system |
| CN117128772A (en) * | 2023-02-23 | 2023-11-28 | 佛山市奥肯科技有限公司 | Vertical fluidization boiling hot-blast stove for pulverizing ceramic drying tower |
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|---|---|---|---|---|
| CN101097089A (en) * | 2007-06-16 | 2008-01-02 | 王树洲 | Flow guiding tapering shape pure smokeless vertical type water heater boiler |
| CN101178182A (en) * | 2007-12-10 | 2008-05-14 | 王满家 | Firing methods for realizing pulverized coal boiler oil-free igniting and device thereof |
| CN202660731U (en) * | 2012-05-23 | 2013-01-09 | 中材高新材料股份有限公司 | Energy-saving environment-friendly combustion heat supply system |
| CN103353109A (en) * | 2012-07-17 | 2013-10-16 | 佛山市广旭节能自动化科技有限公司 | Alternatively-regenerative cyclone furnace combustion system |
| CN105090980A (en) * | 2015-08-19 | 2015-11-25 | 河南科技大学 | Spiral-flow type fluidized bed incinerator |
| CN108870382A (en) * | 2018-09-24 | 2018-11-23 | 无锡博众热能环保设备有限公司 | A kind of cyclone-combustion stove |
| CN109654728A (en) * | 2018-09-30 | 2019-04-19 | 武汉奥杰科技股份有限公司 | A kind of spray burning smoke coal vertical hot furnace |
| CN210441200U (en) * | 2019-09-02 | 2020-05-01 | 山东金孚环境工程有限公司 | Organic solid waste pyrolysis gas combustion device |
| CN211799379U (en) * | 2019-12-30 | 2020-10-30 | 酒钢(集团)宏达建材有限责任公司 | Coal vertical mill dust settling system for drying pulverized coal by using waste gas of kiln head of cement kiln |
-
2020
- 2020-12-09 CN CN202011430791.3A patent/CN112432163A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101097089A (en) * | 2007-06-16 | 2008-01-02 | 王树洲 | Flow guiding tapering shape pure smokeless vertical type water heater boiler |
| CN101178182A (en) * | 2007-12-10 | 2008-05-14 | 王满家 | Firing methods for realizing pulverized coal boiler oil-free igniting and device thereof |
| CN202660731U (en) * | 2012-05-23 | 2013-01-09 | 中材高新材料股份有限公司 | Energy-saving environment-friendly combustion heat supply system |
| CN103353109A (en) * | 2012-07-17 | 2013-10-16 | 佛山市广旭节能自动化科技有限公司 | Alternatively-regenerative cyclone furnace combustion system |
| CN105090980A (en) * | 2015-08-19 | 2015-11-25 | 河南科技大学 | Spiral-flow type fluidized bed incinerator |
| CN108870382A (en) * | 2018-09-24 | 2018-11-23 | 无锡博众热能环保设备有限公司 | A kind of cyclone-combustion stove |
| CN109654728A (en) * | 2018-09-30 | 2019-04-19 | 武汉奥杰科技股份有限公司 | A kind of spray burning smoke coal vertical hot furnace |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115999176A (en) * | 2022-12-30 | 2023-04-25 | 佛山市骏鹰环境能源科技有限公司 | Ceramic drying and granulating system |
| CN117128772A (en) * | 2023-02-23 | 2023-11-28 | 佛山市奥肯科技有限公司 | Vertical fluidization boiling hot-blast stove for pulverizing ceramic drying tower |
| CN117128772B (en) * | 2023-02-23 | 2024-04-09 | 佛山市奥肯科技有限公司 | Vertical fluidization boiling hot-blast stove for pulverizing ceramic drying tower |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210302 |
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| RJ01 | Rejection of invention patent application after publication |