CN219208994U

CN219208994U - Spray drying equipment is used in lithium fluoride production

Info

Publication number: CN219208994U
Application number: CN202223423696.8U
Authority: CN
Inventors: 戴百雄; 张建广; 刘兵; 温志鹏; 李胜林; 廖念
Original assignee: Hubei Benxing New Energy Materials Co ltd
Current assignee: Hubei Benxing New Energy Materials Co ltd
Priority date: 2022-12-15
Filing date: 2022-12-15
Publication date: 2023-06-20
Anticipated expiration: 2032-12-15

Abstract

The utility model provides spray drying equipment for producing lithium fluoride, which relates to the field of lithium fluoride production and comprises a fixer, wherein a dust removing tower is arranged on one side of the fixer, a separating tower is arranged on one side of the dust removing tower, a drying tower is arranged on one side of the separating tower, a liquid storage tank is arranged on one side of the drying tower, one end of the fixer is connected with an injection chamber in a clamping manner, one end of the injection chamber is connected with a steam transmission pipe, a nozzle is arranged at the other end of the injection chamber, one side of the injection chamber is connected with a mixing device, the whole shape of the mixing device is in a circular truncated cone shape, a noise-reducing cotton layer is wrapped in the mixing device, the temperature of gas is increased in a gas injection manner, steam is sprayed forward rapidly by the nozzle, the water steam can be sprayed forward with the drying gas entering from the bottom, the drying gas is heated up rapidly by the generated small friction, the material of the mixing device is heat-preserving material, the heat-preserving heat can be preserved for a period of time, and the noise-reducing cotton layer can effectively reduce noise.

Description

Spray drying equipment is used in lithium fluoride production

Technical Field

The utility model relates to the field of lithium fluoride production, in particular to spray drying equipment for lithium fluoride production.

Background

Lithium fluoride is an inorganic compound, has a chemical formula of LiF, is alkali metal halide, is white powder at room temperature, is slightly soluble in water, is insoluble in alcohol and is soluble in acid, and is mainly used as an analysis crystal in a wavelength analysis type X-ray fluorescence spectrometer, a drying agent and a fluxing agent, and can also be used in enamel industry, optical glass manufacturing and the like.

The lithium fluoride needs to ensure that the water content of the lithium fluoride is at a minimum during production, and spray drying equipment is commonly used for drying equipment for large factories, so that the lithium fluoride can be dried rapidly.

According to the spray drying equipment for producing lithium fluoride disclosed in Chinese patent No. CN 215232164U, the spray drying equipment comprises a spray drying tower, an air heater, a dust removing tower and a feed box, wherein a high-speed centrifugal atomizer is arranged at the top of the spray drying tower, and a rotary feeder is arranged at the bottom of the spray drying tower. According to the utility model, the spray drying tower, the air heater, the dedusting tower and the feed box are arranged, wherein the spray drying tower, the air heater and the dedusting tower are respectively connected in series through the air return pipe, the air guide pipe and the pipeline, so that air circulation is formed among the spray drying tower, the air heater and the dedusting tower under the action of the circulating fan, the air is heated after passing through the air heater, is introduced into the spray drying tower to spray the lithium fluoride mixed solvent for heating and drying, and is then introduced into the dedusting tower for dedusting, and the air with waste heat after dedusting is introduced into the air heater by the internal circulating fan again, so that the circulation of the dry hot air is realized, the energy consumption is saved, and the method is suitable for popularization and use.

Although the prior art can achieve the aim of saving energy consumption, the following problems still exist: 1. when the hot and dry air is recovered, part of heat of the hot and dry air can be lost, and the hot and dry air can not be quickly warmed; 2. the existing filtering device has lower filtering effect, so that dust can be recycled along with air.

Disclosure of Invention

The utility model aims to solve the problems that in the prior art, when the hot air is recovered, part of heat of the hot air is lost, the hot air cannot be quickly warmed, and the existing filtering device is low in filtering effect, so that dust can be recovered along with the air.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a spray drying equipment for lithium fluoride production, includes the fixer, the dust tower has been placed to one side of fixer, the separator has been placed to one side of dust tower, the drying tower has been placed to one side of separator, the liquid storage pot has been placed to one side of drying tower, the one end joint of fixer has the spray booth, the one end of spray booth is connected with the steam transmission pipe, the other end of spray booth is equipped with the nozzle.

Preferably, one side of the injection chamber is connected with a mixing device, the overall shape of the mixing device is a round table, the inside of the mixing device is wrapped with a silencing cotton layer, one end of the mixing device is connected with an air inlet end, and the air inlet end is connected with the top of the drying tower.

Preferably, the bottom of the dust removing tower is provided with a first discharge valve, a filter screen layer is arranged in the dust removing tower, six layers of filter screen layers are arranged in the filter screen layer, and holes are formed in the filter screen layer and are internally provided with viscose.

Preferably, one end of the dust removing tower is connected with an air guide, and one end of the air guide penetrates through the inner part of the spray chamber.

Preferably, a cyclone separator is arranged at the top of the separation tower, a second discharge valve is connected to the bottom end of the separation tower, and one end of the cyclone separator is connected with the dust removing tower.

Preferably, a closed fan is arranged at the bottom of the drying tower, and the top end of the closed fan is connected with a suction fan.

Preferably, a heater is arranged between the suction fan and the drying tower, and an air filter is arranged at the top of the suction fan.

Preferably, a feeding pump is arranged at the bottom end of the liquid storage tank, and one end of the feeding pump penetrates through the drying tower.

Advantageous effects

In the utility model, the temperature of the gas is increased by adopting a gas spraying mode, the nozzle can spray the steam forward rapidly, the steam can spray the drying gas coming from the bottom forward, the steam enters the mixing equipment, the temperature of the drying gas can be raised rapidly by the generated small friction, the mixing equipment is made of heat-insulating materials, the heat can be preserved for a period of time, and the noise can be effectively reduced by the noise-reducing cotton layer.

In the utility model, the dust removing tower is adopted to filter dust, six layers of filter screen layers can continuously filter the discharged gas for six times, and the viscose is arranged in the holes in the filter screen layers, so that the dust can be stuck, the dust is prevented from flying in disorder, and the filtering effect is improved.

Drawings

FIG. 1 is an overall block diagram of the present utility model;

FIG. 2 is a diagram showing the construction of the interior of the drying tower according to the present utility model;

FIG. 3 is a diagram of the internal structure of the dust removing tower of the present utility model;

fig. 4 is a structural diagram of a hybrid device of the present utility model.

Legend description:

1. a holder; 2. a separation tower; 3. a dust removing tower; 4. a first discharge valve; 5. a second discharge valve; 6. a cyclone separator; 7. an air guide; 8. an air filter; 9. a suction fan; 10. a heater; 11. a liquid storage tank; 12. a drying tower; 13. a feed pump; 14. closing the fan; 15. a filter screen layer; 16. a spray chamber; 17. a mixing device; 18. a noise reduction cotton layer; 19. an air inlet end; 20. a nozzle; 21. a vapor transfer tube.

Detailed Description

In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model.

Specific embodiments of the present utility model are described below with reference to the accompanying drawings.

First embodiment:

referring to fig. 1 to 4, a spray drying device for lithium fluoride production comprises a fixer 1, a dust removing tower 3 is arranged on one side of the fixer 1, a separation tower 2 is arranged on one side of the dust removing tower 3, a drying tower 12 is arranged on one side of the separation tower 2, a liquid storage tank 11 is arranged on one side of the drying tower 12, one end of the fixer 1 is clamped with an injection chamber 16, one end of the injection chamber 16 is connected with a steam transmission pipe 21, the other end of the injection chamber 16 is provided with a nozzle 20, one side of the injection chamber 16 is connected with a mixing device 17, the overall shape of the mixing device 17 is in a round table shape, a noise-absorbing cotton layer 18 is wrapped in the mixing device 17, one end of the mixing device 17 is connected with an air inlet end 19, the air inlet end 19 is connected with the top of the drying tower 12, the fixer 1 is used for fixing the injection chamber 16, the top of the separation tower 2 is provided with a cyclone separator 6, the bottom end of the separation tower 2 is connected with a second discharge valve 5, one end of the cyclone separator 6 is connected with the dust removing tower 3, the bottom of the drying tower 12 is provided with a closed fan 14, the top end of the closed fan 14 is connected with a suction fan 9, a heater 10 is arranged between the suction fan 9 and the drying tower 12, the top of the suction fan 9 is provided with an air filter 8, the bottom end of the liquid storage tank 11 is provided with a feed pump 13, one end of the feed pump 13 penetrates through the inside of the drying tower 12, the drying gas to be discharged is sent into the injection chamber 16 through the air blower 7, the steam transmission pipe 21 can suck hot steam, the hot steam required to be described can be obtained in a water boiling way, so that electric energy can be reduced, the nozzle 20 can spray the steam quickly forwards, the water steam can spray the drying gas entering from the bottom, the water steam enters the mixing equipment 17, the drying gas can quickly heat up through the generated small friction, the hot gas of the mixing equipment 17 is a heat insulation material, and the heat can be preserved for a period of time, the noise abatement cotton layer 18 is effective in reducing noise.

Specific embodiment II:

referring to fig. 1-4, a first discharge valve 4 is arranged at the bottom of the dust removing tower 3, a filter screen layer 15 is arranged in the dust removing tower 3, six layers of filter screen layers 15 are arranged in the filter screen layer 15, and holes are formed in the filter screen layer 15 and viscose is arranged in the holes.

One end of the dust elimination tower 3 is connected with an air guide 7, one end of the air guide 7 penetrates through the inside of the spray chamber 16, six layers of filter screen layers 15 can continuously filter exhaust gas for six times, viscose is arranged in holes in the filter screen layers 15, dust can be stuck, the dust is prevented from flying in disorder, the whole filter screen layers 15 can be taken out after work is finished, and the dust in the holes can be cleaned.

To sum up:

1. the gas temperature is improved by adopting a gas spraying mode, steam is sprayed forward quickly by the nozzle 20, the steam can be sprayed forward with the dry gas coming from the bottom, the dry gas enters the mixing equipment 17, the temperature is raised quickly by the generated small friction, the mixing equipment 17 is made of heat-insulating materials, the heat can be preserved for a period of time, and the noise can be effectively reduced by the noise-reducing cotton layer 18.

2. Adopt the dust tower 3 of removing dust to come the filter dust, filter screen layer 15 total six layers can last six times to exhaust gas and filter, have the viscose in the downthehole of filter screen layer 15, can stick the dust, prevent that the dust from flying in disorder.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. Spray drying equipment for lithium fluoride production, including fixer (1), its characterized in that: a dust removing tower (3) is arranged on one side of the fixer (1), a separating tower (2) is arranged on one side of the dust removing tower (3), a drying tower (12) is arranged on one side of the separating tower (2), a liquid storage tank (11) is arranged on one side of the drying tower (12), one end of the fixer (1) is clamped with an injection chamber (16), one end of the spray chamber (16) is connected with a steam transmission pipe (21), the other end of the spray chamber (16) is provided with a nozzle (20), the top of the separation tower (2) is provided with a cyclone separator (6), the bottom end of the separation tower (2) is connected with a second discharge valve (5), and one end of the cyclone separator (6) is connected with a dust-removing tower (3).

2. A spray drying apparatus for lithium fluoride production according to claim 1, wherein: one side of spray chamber (16) is connected with mixing apparatus (17), the overall shape of mixing apparatus (17) is round platform shape, the inside parcel of mixing apparatus (17) has amortization cotton layer (18), the one end of mixing apparatus (17) is connected with inlet end (19), the top of drying tower (12) is connected to inlet end (19).

3. A spray drying apparatus for lithium fluoride production according to claim 1, wherein: the bottom of the dust removing tower (3) is provided with a first discharge valve (4), and a filter screen layer (15) is arranged in the dust removing tower (3).

4. A spray drying apparatus for lithium fluoride production according to claim 1, wherein: one end of the dust removing tower (3) is connected with an air guide device (7), and one end of the air guide device (7) penetrates through the inner part of the spray chamber (16).

5. A spray drying apparatus for lithium fluoride production according to claim 3, wherein: six layers are arranged in the filter screen layer (15), holes are formed in the filter screen layer (15), and viscose is arranged in the holes.

6. A spray drying apparatus for lithium fluoride production according to claim 1, wherein: the bottom of drying tower (12) is equipped with and closes fan (14), the top of closing fan (14) is connected with suction fan (9).

7. The spray drying apparatus for producing lithium fluoride according to claim 6, wherein: a heater (10) is arranged between the suction fan (9) and the drying tower (12), and an air filter (8) is arranged at the top of the suction fan (9).

8. A spray drying apparatus for lithium fluoride production according to claim 1, wherein: the bottom of the liquid storage tank (11) is provided with a feeding pump (13), and one end of the feeding pump (13) penetrates through the drying tower (12).