CN217392303U - Particulate matter emission reduction system for casting powder granulation - Google Patents
Particulate matter emission reduction system for casting powder granulation Download PDFInfo
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- CN217392303U CN217392303U CN202220989594.3U CN202220989594U CN217392303U CN 217392303 U CN217392303 U CN 217392303U CN 202220989594 U CN202220989594 U CN 202220989594U CN 217392303 U CN217392303 U CN 217392303U
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- emission reduction
- drying tower
- particulate matter
- covering slag
- bag
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
Abstract
The utility model discloses a particulate matter emission reduction system for covering slag granulation belongs to dust fall emission reduction equipment technical field. The device comprises a covering slag granulation mechanism and a dust fall and emission reduction mechanism which is connected with the covering slag granulation mechanism in a matched manner; dust fall emission reduction mechanism includes draught fan, cyclone and sack cleaner, draught fan, cyclone, sack cleaner and covering slag granulation mechanism's feed bin communicates in proper order, the cyclone lower part sets up retrieves the feed bin, it all sets up screw discharger to retrieve feed bin and sack cleaner bottom. The utility model discloses set up cyclone and sack cleaner under on the feed bin, reduce discharging through twice dust removal, produce the harmful effects that a large amount of dusts caused environment and workman when having avoided the unloading.
Description
Technical Field
The utility model relates to a dust fall reduces discharging equipment technical field, specifically is a particulate matter reduces discharging system for covering slag granulation.
Background
The protective slag is a material which is placed on the liquid level of steel in a crystallizer during the continuous steel casting process and is used for heat preservation, oxidation resistance and absorption of non-metallic inclusions. The manufacturing process of the covering slag comprises the following steps: the slurry enters the connecting pipe through the raw material conveying pipe, is atomized and sprayed into the drying tower through the nozzle for granulation and drying, and is discharged through the discharging bin. However, during the discharging process, a large amount of dust is generated, which causes serious adverse effects on the environment and workers.
Patent document No. CN 213729238U discloses an energy-saving and environment-friendly granulation powder making device for metallurgical auxiliary material covering slag, which comprises a spray drying tower, a drying tower top cover is fixedly arranged at the top of the spray drying tower, a high-speed centrifugal atomizer is arranged on the drying tower top cover, a slurry conveying pipeline is connected at the top of the high-speed centrifugal atomizer, the other end of the slurry conveying pipeline is communicated with a slurry conveying pump, the slurry conveying pump is arranged on a slurry outlet of a slurry stirring device, the left side wall of the spray drying tower is communicated and connected with a hot air conveying pipe, the other end of the hot air conveying pipe is fixedly connected with a hot air filtering device, the hot air filtering device is arranged on a top air outlet of a hot air furnace, the right side wall of the spray drying tower is communicated and connected with a cyclone separator, and the cyclone separator is connected with a dust removal and exhaust device through a pipeline, the device makes the water reuse in the sump, has practiced thrift the use of water resource greatly when effectively getting rid of the dust and the granule in the waste gas. However, the utility model discloses in be arranged various equipment that are used for removing dust unreasonablely, use dust collecting equipment more, lead to the cost to increase by a wide margin.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a particulate matter emission reduction system for covering slag granulation that dust removal emission reduction is effectual, with low costs to the not enough of prior art.
In order to solve the technical problem, the utility model discloses the technical scheme who takes is:
a particulate matter emission reduction system for casting powder granulation comprises a casting powder granulation mechanism and a dust fall emission reduction mechanism which is connected with the casting powder granulation mechanism in a matched manner; the dust fall emission reduction mechanism comprises an induced draft fan, a cyclone separator and a bag-type dust collector, and the induced draft fan, the cyclone separator, the bag-type dust collector and the lower feed bin of the protective slag granulation mechanism are communicated in sequence.
Further, covering slag granulation mechanism includes drying tower, gas hot-blast furnace, air-blower, spray gun and shale shaker, air-blower, gas hot-blast furnace and drying tower upper portion communicate in proper order, set up a plurality of spray guns in the drying tower, the feed bin bottom of drying tower sets up the weight valve, weight valve below sets up the shale shaker.
Furthermore, the spray gun is communicated with the diaphragm pump, the bidirectional filter and the pulping tank in sequence.
Furthermore, a recycling bin is arranged on the lower portion of the cyclone separator, spiral dischargers are arranged at the bottoms of the recycling bin and the bottom of the bag-type dust collector, and waste materials of the recycling bin and the bag-type dust collector are conveyed into the pulping tank through the spiral dischargers.
Further, air hammer vibrators are arranged on the drying tower and the bag-type dust collector.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model is used for particulate matter emission reduction system of covering slag granulation, the feed inlet of feed bin side intercommunication cyclone of drying tower will descend the dust absorption in the feed bin and carry out gas, material separation, accomplishes once filtering, and during dusty gas reentrant sack cleaner, carry out the secondary filter to the dust problem when the feed bin ejection of compact under the solution.
In addition, the lower part of the cyclone separator is communicated with a recovery bin, the lower parts of the recovery bin and the bag-type dust collector are respectively provided with a spiral discharger, the collected materials can be conveyed into the pulping tank for recycling, the utilization rate of raw materials is improved,
drawings
Fig. 1 is a front view of an embodiment of the invention;
fig. 2 is a side view of an embodiment of the invention;
fig. 3 is a schematic connection diagram of an embodiment of the present invention;
the system comprises a gas hot blast stove 1, a gas blower 2, a draught fan 3, a spray gun 4, a drying tower 5, a bag-type dust remover 6, a cyclone separator 7, a recovery bin 8, a spiral discharger 9, a vibrating screen 10, a hammer valve 11, a pneumatic butterfly valve 12, a diaphragm pump 13, a bidirectional filter 14, a pulping tank 15, an air hammer vibrator 16 and an air filter 17.
Detailed Description
In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined below to clearly and completely describe the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived from the description of the embodiments of the present invention by a person skilled in the art, are within the scope of the present invention.
Example 1
As shown in fig. 1-2, a particulate matter emission reduction system for mold flux granulation comprises a mold flux granulation mechanism and a dust fall emission reduction mechanism connected with the mold flux granulation mechanism in a matching manner; dust fall emission reduction mechanism includes draught fan 3, cyclone 7 and sack cleaner 6, draught fan 3, cyclone 7, sack cleaner 6 and covering slag granulation mechanism's feed bin communicates in proper order, and 7 lower parts of cyclone set up and retrieve feed bin 8, retrieve feed bin 8 and 6 bottoms of sack cleaner and all set up screw discharger 9.
Covering slag granulation mechanism includes drying tower 5, gas hot-blast furnace 1, air-blower 2, spray gun 4 and shale shaker 10, air-blower 2, gas hot- blast furnace 1 and 5 upper portions of drying tower communicate in proper order, set up a plurality of spray guns 4 in the drying tower 5, the feed bin bottom of drying tower 5 sets up weight valve 11, 11 below settings of weight valve shale shaker 10.
Specifically, the feed bin one side of drying tower 5 transversely sets up the pipeline, with cyclone 7's import intercommunication, cyclone 7's export passes through the pipeline intercommunication with sack cleaner 6's import, set up pneumatic butterfly valve 12 on this pipeline, sack cleaner 6's export and draught fan 3's negative pressure mouth intercommunication, under cyclone 7's negative pressure effect, the dust in the feed bin gets into cyclone 7 and carries out the gas, the material separation, the material that weight is big falls into in recovery bin 8, during dusty gas got into sack cleaner 6 under draught fan 3's negative pressure effect, carry out the secondary and remove dust, gas after the dust removal was discharged from draught fan 3's air outlet.
Example 2
As shown in fig. 1 to 3, a particulate matter emission reduction system for mold flux granulation comprises a mold flux granulation mechanism and a dust fall emission reduction mechanism connected with the mold flux granulation mechanism in a matching manner; dust fall emission reduction mechanism includes draught fan 3, cyclone 7 and sack cleaner 6, draught fan 3, cyclone 7, sack cleaner 6 and covering slag granulation mechanism's feed bin communicates in proper order, and 7 lower parts of cyclone set up and retrieve feed bin 8, retrieve feed bin 8 and 6 bottoms of sack cleaner and all set up screw discharger 9.
Covering slag granulation mechanism includes drying tower 5, gas hot-blast furnace 1, air-blower 2, spray gun 4 and shale shaker 10, air-blower 2, gas hot- blast furnace 1 and 5 upper portions of drying tower communicate in proper order, and air-blower 2 will be through the air after air cleaner filters in the gas hot-blast furnace, produce in the hot-air lets in the drying tower, set up a plurality of spray guns 4 in the drying tower 5, the spray gun sprays out thick liquids with the spraying form, and granulation forms the covering slag under the effect of hot-air, the feed bin bottom of drying tower 5 sets up weight valve 11, 11 below settings of weight valve shale shaker 10.
The utility model discloses a particulate matter emission reduction system for covering slag granulation, the difference with embodiment 1 lies in:
the spray gun 4 is communicated with a diaphragm pump 13, a two-way filter 14 and a pulping tank 15 in sequence.
The waste materials of the recovery bin 8 and the bag-type dust collector 6 are conveyed into the pulping tank 15 through a spiral discharger 9 and a pipeline.
And the drying tower 5 and the bag-type dust collector 6 are both provided with an air hammer vibrator 16, so that the blanking speed is increased.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and embellishments can be made without departing from the principle of the present invention, and these improvements and embellishments should also be regarded as the protection scope of the present invention.
Claims (4)
1. A particulate matter emission reduction system for covering slag granulation, its characterized in that: the device comprises a covering slag granulation mechanism and a dust fall and emission reduction mechanism which is connected with the covering slag granulation mechanism in a matching way;
the casting powder granulation mechanism comprises a drying tower, a gas hot-blast stove, a blower, spray guns and a vibrating screen, wherein the blower, the gas hot-blast stove and the upper part of the drying tower are sequentially communicated, the drying tower is internally provided with a plurality of spray guns, the bottom of a blanking bin of the drying tower is provided with a weight valve, and the vibrating screen is arranged below the weight valve;
the dust fall emission reduction mechanism comprises an induced draft fan, a cyclone separator and a bag-type dust collector, and the induced draft fan, the cyclone separator, the bag-type dust collector and the lower feed bin of the protecting slag granulation mechanism are communicated in sequence.
2. The particulate matter emission reduction system for mold flux granulation according to claim 1, wherein: the spray gun is communicated with the diaphragm pump, the bidirectional filter and the pulping tank in sequence.
3. The particulate matter emission reduction system for mold flux granulation according to claim 2, wherein: the lower part of the cyclone separator is provided with a recovery bin, the bottoms of the recovery bin and the bag-type dust collector are provided with spiral dischargers, and waste materials of the recovery bin and the bag-type dust collector are conveyed into the pulping tank through the spiral dischargers.
4. The particulate matter emission reduction system for mold flux granulation according to claim 3, wherein: and the drying tower and the bag-type dust remover are both provided with air hammer vibrators.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220989594.3U CN217392303U (en) | 2022-04-26 | 2022-04-26 | Particulate matter emission reduction system for casting powder granulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220989594.3U CN217392303U (en) | 2022-04-26 | 2022-04-26 | Particulate matter emission reduction system for casting powder granulation |
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| Publication Number | Publication Date |
|---|---|
| CN217392303U true CN217392303U (en) | 2022-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220989594.3U Active CN217392303U (en) | 2022-04-26 | 2022-04-26 | Particulate matter emission reduction system for casting powder granulation |
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| Country | Link |
|---|---|
| CN (1) | CN217392303U (en) |
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- 2022-04-26 CN CN202220989594.3U patent/CN217392303U/en active Active
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