CN112254499A - Fluorite drying and dust removing device and process - Google Patents
Fluorite drying and dust removing device and process Download PDFInfo
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- CN112254499A CN112254499A CN202011135017.XA CN202011135017A CN112254499A CN 112254499 A CN112254499 A CN 112254499A CN 202011135017 A CN202011135017 A CN 202011135017A CN 112254499 A CN112254499 A CN 112254499A
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- fluorite
- drying
- dryer
- steam
- washing tower
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/005—Drying-steam generating means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
- B01D53/263—Drying gases or vapours by absorption
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/02—Applications of driving mechanisms, not covered by another subclass
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a fluorite drying and dust removing device and a fluorite drying and dust removing process, which comprise a dryer for drying fluorite, wherein one end of the dryer is hermetically connected with a steam pipe, the steam pipe is communicated with a steam distribution drum, the other end of the dryer is hermetically communicated with a conveying pipe, and the conveying pipe is communicated with a storage bin and is used for conveying the fluorite from the dryer to the storage bin through pneumatic force; the drying machine is also connected with a feeding assembly, the feeding assembly is used for conveying untreated coarse fluorite into the drying machine, the interior of the drying machine is communicated with a purifying assembly, and the purifying assembly is used for discharging moisture and dust generated in the drying machine; the processing is carried out by adopting the processes of material conveying, steam drying and washing, and the integrated functions of feeding, drying, feeding and purifying are achieved; the process has high thermal efficiency; the dust amount of tail gas is small, the treatment is simple, and the environmental protection requirement is met; the occupied area of the equipment is small; the equipment is simple to operate.
Description
Technical Field
The invention relates to the field of stone processing, in particular to a fluorite drying and dust removing device and a fluorite drying and dust removing process.
Background
The initial water content of fluorite is about 15 percent, and the water content of fluorite is required to be less than 0.3 percent in the fluorine chemical production process; the fluorite drying process is therefore an important component of the fluorine chemical process. The raw fluorite adopts dry powder, and the drying heating medium of a concentrating mill adopts hot air; in the drying process, the materials are directly contacted with hot air, so that tail gas dust is large, and the subsequent dust treatment is difficult; the heat loss is high, and the heat exchange efficiency is low; the floor area of the equipment is large.
Disclosure of Invention
Based on the defects in the prior art mentioned in the background art, the invention provides a fluorite drying and dust removing device and a fluorite drying and dust removing process.
The invention overcomes the technical problems by adopting the following technical scheme, and specifically comprises the following steps:
a fluorite drying and dust removing device comprises a dryer for drying fluorite, wherein a steam pipe is connected to one end of the dryer in a sealing mode, the steam pipe is communicated with a steam distribution drum, the other end of the dryer is communicated with a conveying pipe in a sealing mode, and the conveying pipe is communicated with a storage bin and used for conveying fluorite from the dryer to the storage bin through air force;
the desiccator still connects the material loading subassembly, the material loading subassembly is used for carrying untreated crude fluorite to the desiccator in, the inside intercommunication of desiccator purifies the subassembly, it is used for discharging moisture and the dust that produces in the desiccator to purify the subassembly.
As a further scheme of the invention: the feeding assembly comprises a feeding hopper, a spiral conveyor connected with the feeding hopper and a conveyer belt connected with the spiral conveyor and the dryer, and a belt conveyor is mounted on the spiral conveyor.
As a still further scheme of the invention: the purification assembly comprises a washing tower communicated with the dryer, a water purification tank used for containing clean water liquid, and a washing pump used for communicating the water purification tank with the washing tower and pumping the water liquid in the water purification tank into the washing tower;
and an exhaust pipe is arranged on the washing tower.
As a still further scheme of the invention: a sedimentation tank is arranged in the washing tower, the sedimentation tank is communicated with the water purification tank through a circulating pipe, and a plurality of spray heads which are uniformly distributed in the washing tower are arranged at the output end of the washing pump;
the washing tower is also provided with a fan, one end of the fan is communicated with the outside atmosphere, the other end of the fan is communicated with the washing tower, and the fan, the washing tower and the exhaust pipe form a passage.
As a still further scheme of the invention: one end of the dryer is connected with a condensing pipe through a valve body, the condensing pipe is communicated with a condensing tank, and the condensing tank is used for absorbing heat of steam in the dryer and recycling the heat.
A fluorite drying and dedusting process comprises the following steps:
conveying materials, namely starting a belt conveyor to convey coarse fluorite into a dryer through a feeding hopper and a spiral conveyor, and avoiding the coarse fluorite from blocking the feeding hopper in the conveying process;
step two, steam drying, namely starting a steam distribution drum to convey steam in the thermal power plant to a dryer after reducing pressure and heating to dry the crude fluorite; meanwhile, opening a stock bin for conveying fluorite at the terminal of the dryer into the stock bin;
and step three, drying and washing, namely starting a fan and a washing pump, sending the moisture-synthesized dust generated in the dryer into a washing tower, absorbing the dust and the moisture by a spray header, and sending the gas out of the washing tower through the fan and an exhaust pipe.
After adopting the structure and the process, compared with the prior art, the invention has the following advantages: the whole equipment chain of the fluorite drying and dedusting process is formed by adopting equipment comprising a dryer, a steam distribution drum, a feeding assembly, a purification assembly and the like, the steam distribution drum is used as a heat energy source, the fluorite in the dryer is dried by utilizing steam and is sent into a storage bin after being dried, moisture and dust generated by the fluorite in the dryer are discharged after being purified, the feeding assembly conveys a crude fluorite material into the dryer, and the whole device and process have the integrated functions of feeding, drying, feeding and purifying; the process has high thermal efficiency; the dust amount of tail gas is small, the treatment is simple, and the environmental protection requirement is met; the occupied area of the equipment is small; the equipment is simple to operate.
Drawings
FIG. 1 is a distribution diagram of the equipment of the fluorite drying and dust removing device.
In the figure: 1-a dryer; 2-feeding a hopper; 3-a spiral feeder; 4-a conveyor belt; 5-a steam pipe; 6-conveying pipe; 7-a condensation tank; 8-a washing tower; 9-a clean water tank.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Referring to fig. 1, in an embodiment of the present invention, a fluorite drying and dust removing device includes a dryer 1 for drying fluorite, one end of the dryer 1 is hermetically connected with a steam pipe 5, the steam pipe 5 is communicated with a steam distribution drum, the other end of the dryer 1 is hermetically communicated with a conveying pipe 6, and the conveying pipe 6 is communicated with a bin and is used for conveying fluorite from the dryer 1 to the bin by air force;
the drying machine 1 is also connected with a feeding assembly, the feeding assembly is used for conveying untreated crude fluorite into the drying machine 1, the interior of the drying machine 1 is communicated with a purifying assembly, and the purifying assembly is used for discharging moisture and dust generated in the drying machine 1;
fluorite stoving dust collector in this application has adopted including desiccator 1, divide the steam pocket, the whole equipment chain of fluorite stoving dust removal technology is constituteed to equipment such as material loading subassembly and purification subassembly, divide the steam pocket as the heat energy source, utilize the fluorite stoving of steam to desiccator 1, send into the feed bin after the stoving, fluorite produced moisture and dust are discharged after purifying in desiccator 1, and the material loading subassembly carries thick fluorite material to desiccator 1, whole device and technology wholly have the material loading, it is dried, the pay-off, and purify integrative function.
In detail, the steam-distributing drum depends on the superheated steam of the thermal power plant, and the required temperature of the drying furnace is reached through the pressure-reducing and heating device.
In one embodiment of the invention, the feeding assembly comprises a feeding hopper 2, a spiral conveyor 3 connected with the feeding hopper 2, and a conveying belt 4 connecting the spiral conveyor 3 with the drying machine 1, wherein a belt conveyor is mounted on the spiral conveyor 3;
the feeding hopper 2 is used for loading coarse fluorite, the conveying belt 4 and the spiral conveyor 3 are driven to work when the belt conveyor works, the spiral conveyor 3 sends the material on the feeding hopper 2 into the conveying belt 4 and finally leads the material into the drying machine 1, and therefore the function of automatic feeding is achieved;
specifically, the spiral feeder 3 may be a spiral feeding stranding cage.
In another embodiment of the present invention, the purification assembly comprises a washing tower 8 communicating with the dryer 1, a clean water reservoir 9 for containing clean water liquid, and a washing pump for communicating the clean water reservoir 9 with the washing tower 8 and pumping the water liquid in the clean water reservoir 9 into the washing tower 8;
an exhaust pipe is arranged on the washing tower 8;
steam in the desiccator 1 and the effect of coarse fluorite produce moisture and dust, and moisture and dust flow into scrubbing tower 8, and the water purification that constantly pumps through the washing pump is to moisture and dust washing absorption to reach dust removal effect.
In another embodiment of the present invention, a sedimentation basin is arranged in the washing tower 8, the sedimentation basin is communicated with the clean water basin 9 through a circulation pipe, and a plurality of spray headers uniformly distributed in the washing tower 8 are arranged at the output end of the washing pump;
the washing tower 8 is also provided with a fan, one end of the fan is communicated with the outside atmosphere, the other end of the fan is communicated with the washing tower 8, and the fan, the washing tower 8 and the exhaust pipe form a passage;
superheated steam of a thermal power plant passes through the pressure-reducing heating device to reach the temperature required by the drying furnace, generated moisture and dust are washed and sprayed through the washing circulating pipe and then discharged through the fan outlet, and the settling basin is matched with the circulating pipe to realize the recycling of water liquid, so that the water-saving device has the water-saving function.
In another embodiment of the present invention, one end of the dryer 1 is connected with a condensing pipe through a valve body, the condensing pipe is communicated with a condensing tank 7, and the condensing tank 7 is used for absorbing and recovering heat of steam in the dryer 1;
the steam in the dryer 1 is cooled by the condensation tank 7, and the heat of the steam can be absorbed, so that the heat of the steam can be recovered.
A fluorite drying and dedusting process comprises the following steps:
conveying materials, namely starting a belt conveyor to convey coarse fluorite into a dryer through a feeding hopper and a spiral conveyor, and avoiding the coarse fluorite from blocking the feeding hopper in the conveying process;
step two, steam drying, namely starting a steam distribution drum to convey steam in the thermal power plant to a dryer after reducing pressure and heating to dry the crude fluorite; meanwhile, opening a stock bin for conveying fluorite at the terminal of the dryer into the stock bin;
and step three, drying and washing, namely starting a fan and a washing pump, sending the moisture-synthesized dust generated in the dryer into a washing tower, absorbing the dust and the moisture by a spray header, and sending the gas out of the washing tower through the fan and an exhaust pipe.
This application is through surveying drying equipment producer and equipment, independently reforms transform links such as material loading, dust removal, and the main advantage of this technology has: the thermal efficiency is high and can reach 95 percent; the dust amount of tail gas is small, the treatment is simple, and the environmental protection requirement is met; the occupied area of the equipment is small; the equipment is simple to operate.
The foregoing is merely illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to vary. But all changes which come within the scope of the invention are intended to be embraced therein.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Claims (6)
1. The utility model provides a fluorite stoving dust collector, is including being used for desiccator (1) to the fluorite stoving, its characterized in that, the one end sealing connection of desiccator (1) has steam pipe (5), steam pipe (5) intercommunication steam-distributing drum, and the other end of desiccator (1) seals intercommunication conveyer pipe (6), conveyer pipe (6) intercommunication feed bin is used for carrying the fluorite to the feed bin in the desiccator (1) through the strength;
desiccator (1) still connects the material loading subassembly, the material loading subassembly is used for carrying untreated thick fluorite to desiccator (1) in, the inside intercommunication of desiccator (1) purifies the subassembly, it is used for discharging moisture and the dust that produces in desiccator (1) to purify the subassembly.
2. The fluorite drying and dust removing device as claimed in claim 1, wherein the feeding assembly comprises a feeding hopper (2), a spiral conveyor (3) connected with the feeding hopper (2), and a conveying belt (4) connected with the spiral conveyor (3) and the dryer (1), and a belt conveyor is installed on the spiral conveyor (3).
3. A fluorite drying and dust removing device as claimed in claim 1, wherein said purifying assembly comprises a washing tower (8) communicating with said dryer (1), a clean water reservoir (9) for containing clean water liquid, and a washing pump for communicating said clean water reservoir (9) with said washing tower (8) and pumping the water liquid in said clean water reservoir (9) into said washing tower (8);
an exhaust pipe is arranged on the washing tower (8).
4. A fluorite drying and dust removing device as claimed in claim 3, wherein a sedimentation basin is arranged in said washing tower (8), said sedimentation basin is communicated with said clean water basin (9) through a circulating pipe, and a plurality of spray headers uniformly distributed in said washing tower (8) are arranged at the output end of said washing pump;
the washing tower (8) is also provided with a fan, one end of the fan is communicated with the outside atmosphere, the other end of the fan is communicated with the washing tower (8), and the fan, the washing tower (8) and the exhaust pipe form a passage.
5. The fluorite drying and dust removing device as claimed in claim 1, wherein one end of the dryer (1) is connected with a condensing pipe through a valve body, the condensing pipe is communicated with a condensing tank (7), and the condensing tank (7) is used for absorbing and recovering heat of steam in the dryer (1).
6. A fluorite drying and dedusting process is characterized by comprising the following steps:
conveying materials, namely starting a belt conveyor to convey coarse fluorite into a dryer through a feeding hopper and a spiral conveyor, and avoiding the coarse fluorite from blocking the feeding hopper in the conveying process;
step two, steam drying, namely starting a steam distribution drum to convey steam in the thermal power plant to a dryer after reducing pressure and heating to dry the crude fluorite; meanwhile, opening a stock bin for conveying fluorite at the terminal of the dryer into the stock bin;
and step three, drying and washing, namely starting a fan and a washing pump, sending the moisture-synthesized dust generated in the dryer into a washing tower, absorbing the dust and the moisture by a spray header, and sending the gas out of the washing tower through the fan and an exhaust pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011135017.XA CN112254499A (en) | 2020-10-21 | 2020-10-21 | Fluorite drying and dust removing device and process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011135017.XA CN112254499A (en) | 2020-10-21 | 2020-10-21 | Fluorite drying and dust removing device and process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112254499A true CN112254499A (en) | 2021-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011135017.XA Pending CN112254499A (en) | 2020-10-21 | 2020-10-21 | Fluorite drying and dust removing device and process |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1896589A (en) * | 2005-07-11 | 2007-01-17 | 马涛 | Efficient energy-saving method for boiler |
| CN202072317U (en) * | 2011-05-19 | 2011-12-14 | 山东昭和新材料科技股份有限公司 | Charging device of dry fluorite powder |
| CN105865191A (en) * | 2016-04-22 | 2016-08-17 | 天华化工机械及自动化研究设计院有限公司 | Method for vinasse tube bank type drying and exhaust gas and steam condensed liquid heat recycling |
| CN106256407A (en) * | 2016-06-07 | 2016-12-28 | 金红叶纸业集团有限公司 | Wet process dust collection device and cleaning rewinding system |
| CN209714693U (en) * | 2019-03-29 | 2019-12-03 | 成都云白环境设备制造有限公司 | A kind of novel spray column |
| CN211451658U (en) * | 2019-12-16 | 2020-09-08 | 新地环保技术有限公司 | Slag drying weight reduction device system |
-
2020
- 2020-10-21 CN CN202011135017.XA patent/CN112254499A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1896589A (en) * | 2005-07-11 | 2007-01-17 | 马涛 | Efficient energy-saving method for boiler |
| CN202072317U (en) * | 2011-05-19 | 2011-12-14 | 山东昭和新材料科技股份有限公司 | Charging device of dry fluorite powder |
| CN105865191A (en) * | 2016-04-22 | 2016-08-17 | 天华化工机械及自动化研究设计院有限公司 | Method for vinasse tube bank type drying and exhaust gas and steam condensed liquid heat recycling |
| CN106256407A (en) * | 2016-06-07 | 2016-12-28 | 金红叶纸业集团有限公司 | Wet process dust collection device and cleaning rewinding system |
| CN209714693U (en) * | 2019-03-29 | 2019-12-03 | 成都云白环境设备制造有限公司 | A kind of novel spray column |
| CN211451658U (en) * | 2019-12-16 | 2020-09-08 | 新地环保技术有限公司 | Slag drying weight reduction device system |
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Application publication date: 20210122 |