CN217636832U - Limestone rotary kiln blowing bituminous coal grinding system - Google Patents
Limestone rotary kiln blowing bituminous coal grinding system Download PDFInfo
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- CN217636832U CN217636832U CN202221320646.4U CN202221320646U CN217636832U CN 217636832 U CN217636832 U CN 217636832U CN 202221320646 U CN202221320646 U CN 202221320646U CN 217636832 U CN217636832 U CN 217636832U
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- coal
- separator
- grinding system
- intercommunication
- rotary kiln
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/40—Production or processing of lime, e.g. limestone regeneration of lime in pulp and sugar mills
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Abstract
The utility model relates to a grinding device field especially relates to a lime stone rotary kiln jetting bituminous coal grinding system, including feeder, coal pulverizer, separator, sack cleaner, buggy storehouse and storehouse formula pump, the coal pulverizer is provided with import and export, feeder and import intercommunication, export and separator intercommunication, and the separator is connected with the sack cleaner, and the sack cleaner is provided with out the powder mouth, goes out powder mouth and buggy storehouse intercommunication, and the discharge gate has been seted up to buggy storehouse lower extreme, discharge gate and storehouse formula pump intercommunication. The utility model has the advantages of replacing coke oven gas, cleaning high-efficiency coal and reducing cost.
Description
Technical Field
The utility model relates to a grinding device field especially relates to a lime stone rotary kiln jetting bituminous coal grinding system.
Background
In steel-making enterprises, the lime rotary kiln is an important production device, as one of fuels of the lime rotary kiln, coke oven gas is widely used, anxiety gas is provided by a coke-oven plant and needs to be conveyed by a pipeline or a transfer trolley, the cost of using the coke oven gas is high,
in order to reduce the cost, the method replaces coke oven gas, and the method for blowing the full bituminous coal powder into the limestone rotary kiln to provide heat becomes an option, the full bituminous coal powder is quickly combusted, and the full bituminous coal powder is ground by using full bituminous coal, so that the development of a blowing bituminous coal grinding system for supplying heat to the limestone rotary kiln is particularly necessary.
Disclosure of Invention
The utility model aims to provide a lime stone rotary kiln jetting bituminous coal grinding system has the coke oven gas of substitution, reduce cost's advantage.
The technical scheme is as follows:
a bituminous coal spraying and grinding system of a rotary kiln for limestone comprises a coal feeder, a coal mill, a separator, a bag-type dust collector, a pulverized coal bin and a bin-type pump, wherein the coal mill is provided with an inlet and an outlet, the coal feeder is communicated with the inlet, the outlet is communicated with the separator, the separator is connected with the bag-type dust collector, the bag-type dust collector is provided with a powder outlet, the powder outlet is communicated with the pulverized coal bin, the lower end of the pulverized coal bin is provided with a discharge hole, and the discharge hole is communicated with the bin-type pump.
Preferably, the coal feeder is an explosion-proof closed type coal feeder.
Preferably, the upper part of the pulverized coal bunker is a pressure-resistant dome.
Preferably, the lower end of the pulverized coal bunker is in a conical shape with a large upper part and a small lower part.
Preferably, the separator is a dynamic separator.
Compared with the prior art, the beneficial effects are that:
the utility model discloses the coal feeder is carried full soft coal for the coal pulverizer, and the coal pulverizer will grind the buggy and carry for the separator, and the separator carries the sack separator with the even buggy of granularity and carries out solid gas separation, carries the buggy storehouse from the exhaust buggy in the sack cleaner, and the buggy in the buggy storehouse utilizes the storehouse formula pump jetting to the lime stone rotary kiln for provide the heat, compare in using coke oven gas, reduction in production cost.
Drawings
FIG. 1 is a schematic view of the structure of a limestone rotary kiln blowing bituminous coal grinding system of the present invention,
in the figure: 1. the coal feeder 2, the coal mill 3, the separator 4, the bag-type dust collector 5, the coal dust bin 51, the pressure-resistant ball top 6, the bin type pump 7 and the vertical pipe.
Detailed Description
The present invention will be further described with reference to the following specific embodiments, as shown in fig. 1: a limestone rotary kiln blowing bituminous coal grinding system comprises a coal feeder 1, a coal mill 2, a separator 3, a bag-type dust collector 4, a pulverized coal bin 5 and a bin pump 6, wherein the coal mill 2 is provided with an inlet and an outlet, the coal feeder 1 is communicated with the inlet, the coal feeder 1 is used for conveying raw coal into the coal feeder 2, the coal feeder 2 is an explosion-proof closed coal feeder, the explosion-proof closed coal feeder 1 effectively reduces the air leakage rate of the bituminous coal grinding system, the oxygen content of the bituminous coal grinding system is controlled from the source, and the safety factor is improved;
the outlet of the coal mill 2 is communicated with the separator 3, the separator 3 is a dynamic separator which has a good separation effect on coal dust and effectively and uniformly controls the granularity of the coal dust, the separator 3 is connected with a bag-type dust collector 4, the bag-type dust collector 4 is provided with a powder outlet, the bag-type dust collector 4 separates the coal dust from air, the bag-type dust collector 4 comprises a back-blowing system, the back-blowing system comprises a pulse valve, the pulse valve is an explosion-proof pulse valve, and the safety of the bag-type dust collector 4 is improved by the explosion-proof pulse valve;
the vertical pipe 7 is adopted for communicating the powder outlet and the coal powder bin 5, the upper end of the coal powder bin 5 is a pressure-resistant spherical roof 51, the lower part of the coal powder bin 5 is in a conical shape with a large top and a small bottom, the lower end of the coal powder bin 5 is provided with a discharge hole, the lower part of the coal powder bin 5 is in a conical shape, so that coal powder is convenient to gather towards the discharge hole, the discharge hole is communicated with the bin pump 6, coal powder falling from the coal powder bin 5 enters the bin pump 6, the bin pump 6 sprays the coal powder, the coal powder is sprayed into the limestone rotary kiln, and fuel is provided for the limestone rotary kiln.
The specific working process is as follows: conveying all bituminous coal to a coal feeder 1, conveying all bituminous coal to a coal mill 2 by the coal feeder 1, grinding all bituminous coal by the coal mill 2, feeding the coal mill 2 after grinding, feeding the fed coal into a separator 3 after feeding, conveying coal powder with uniform granularity to a bag-type dust collector 4 for solid-gas separation after the separator 3 separates, conveying the coal powder to a coal powder bin 5 after the solid-gas separation, and blowing the coal powder into a limestone rotary kiln by a bin pump 6 at the lower end of the coal powder bin 5.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.
Claims (5)
1. A limestone rotary kiln blowing bituminous coal grinding system is characterized in that: including coal feeder (1), coal pulverizer (2), separator (3), sack cleaner (4), buggy storehouse (5) and storehouse formula pump (6), coal pulverizer (2) be provided with import and export, coal feeder (1) and import intercommunication, export and separator (3) intercommunication, separator (3) be connected with sack cleaner (4), sack cleaner (4) are provided with out the powder mouth, go out powder mouth and buggy storehouse (5) intercommunication, buggy storehouse (5) lower extreme seted up the discharge gate, discharge gate and storehouse formula pump (6) intercommunication.
2. The rotary limestone kiln blown bituminous coal grinding system of claim 1, wherein: the coal feeder (1) is an explosion-proof closed coal feeder.
3. The rotary limestone kiln blown bituminous coal grinding system of claim 1, wherein: the upper part of the pulverized coal bunker (5) is a pressure-resistant dome (51).
4. The rotary kiln bituminous coal injection grinding system for limestone as claimed in claim 1, wherein: the lower end of the pulverized coal bunker (5) is in a conical shape with a large upper part and a small lower part.
5. The rotary kiln bituminous coal injection grinding system for limestone as claimed in claim 1, wherein: the separator (3) is a dynamic separator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221320646.4U CN217636832U (en) | 2022-05-30 | 2022-05-30 | Limestone rotary kiln blowing bituminous coal grinding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221320646.4U CN217636832U (en) | 2022-05-30 | 2022-05-30 | Limestone rotary kiln blowing bituminous coal grinding system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217636832U true CN217636832U (en) | 2022-10-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221320646.4U Active CN217636832U (en) | 2022-05-30 | 2022-05-30 | Limestone rotary kiln blowing bituminous coal grinding system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217636832U (en) |
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2022
- 2022-05-30 CN CN202221320646.4U patent/CN217636832U/en active Active
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