CN215233104U

CN215233104U - Plain production dust treatment device of sweet

Info

Publication number: CN215233104U
Application number: CN202121555807.3U
Authority: CN
Inventors: 陈秋强
Original assignee: Golden Time Chemical Jiangsu Co ltd
Current assignee: Golden Time Chemical Jiangsu Co ltd
Priority date: 2021-07-08
Filing date: 2021-07-08
Publication date: 2021-12-21
Anticipated expiration: 2031-07-08

Abstract

The utility model discloses a sodium cyclamate production dust processing apparatus, including cyclone, draught fan, purifying column and circulation groove, the purifying column lower extreme is provided with smoke and dust entry and dust removal water outlet, be provided with spray atomization device in the purifying column, spray atomization device includes the shower, be provided with spray valve and shower head on the shower, spray atomization device includes from up setting gradually first spray atomization device, second spray atomization device and third spray atomization device down, first spray atomization device and second spray atomization device lead to pipe and the circulating pump that sets up in the circulation groove is connected, the third sprays atomization device and leads to pipe and water supply installation and connects. The sodium cyclamate dust is dissolved in water through the spraying and atomizing device to form a sodium cyclamate solution, the sodium cyclamate solution is periodically conveyed to a sodium cyclamate production line to complete dust collection and purification, no wastewater is discharged from the whole system, and the gas is discharged after reaching the standard.

Description

Plain production dust treatment device of sweet

Technical Field

The utility model relates to an air purification field especially relates to a sodium cyclamate production dust processing apparatus.

Background

In the sodium cyclamate refining stage of a sodium cyclamate workshop, powdery sodium cyclamate enters a fluidized bed to be dried and then enters a bin, then enters a vibrating screen to be screened, then most of the sodium cyclamate enters a spiral elevator to be conveyed to the packing bin to be packed, a certain amount of flying dust is generated at a feed inlet and a discharge outlet of the fluidized bed, the vibrating screen and the bin, and the flying dust affects the surrounding air quality and the environmental sanitation of a working place and also has the risk of dust explosion.

SUMMERY OF THE UTILITY MODEL

For overcoming the above shortcoming, the utility model aims to provide a sodium cyclamate production dust processing apparatus, including cyclone, draught fan, purifying column and circulation groove, the purifying column lower extreme is provided with smoke and dust entry and dust removal water outlet, be provided with the spray atomization device in the purifying column, the spray atomization device includes the shower, be provided with spray valve and shower head on the shower, the spray atomization device includes from up setting gradually first spray atomization device, second spray atomization device and third spray atomization device down, first spray atomization device and second spray atomization device lead to the fact the circulating pump that sets up in pipe and the circulation groove and connect, the third spray atomization device leads to the fact the water pipe and water supply installation to connect. The third spray atomization device and the first spray atomization device and the second spray atomization device do not use the same water supply device, so that the spray absorption effect of the third spray device is prevented from being influenced under the condition of insufficient water pressure. And a conveying pump is arranged in the circulating tank. The gas containing the sodium cyclamate dust enters the purification tower under the action of the induced draft fan, and is fully mixed with atomized water sprayed in an atomization spraying device in the tower, sodium cyclamate fine dust in the gas flows into the bottom of the purification tower together with the atomized water after being dissolved in the atomized water, the gas flow is discharged into the atmosphere after being dehydrated and demisted by a dehydration demister arranged at the top of the tower, sodium cyclamate solution with the lower part dissolved in water flows into a circulating tank and then enters the spraying atomization device again through a circulating pump for atomization and spraying, the sodium cyclamate dust is contacted with the gas containing the sodium cyclamate dust for many times and absorbed, and concentrated solution after being circulated for many times is periodically conveyed to a sodium cyclamate workshop through a conveying pump, so that dust collection and purification are completed. The whole system has no waste water discharge and can not cause environmental pollution.

Preferably, the spray pipe of the first spray atomization device is arranged in parallel with the purification tower, and the spray head of the first spray atomization device is arranged at the smoke inlet. The spray pipe of the second spray atomization device and the spray pipe of the third spray atomization device are perpendicular to the purification tower, the spray head of the second spray atomization device is arranged downwards, and the spray head of the third spray atomization device is arranged upwards.

Preferably, the purification tower comprises a dehydration and demisting device, wherein the dehydration and demisting device is arranged above the third spraying and atomizing device and is used for absorbing water vapor and mist in the gas.

Preferably, the dust collection device further comprises a plurality of dust collection covers, the dust collection covers are arranged at dust collection points of the production line, and the dust collection covers are connected with the cyclone dust collector through air pipes. The dust suction point is arranged at a feed inlet of the fluidized bed, a discharge outlet of the fluidized bed, the vibrating screen, the crusher and the storage bin. The air pipe is designed to be round, and if the mounting position of the air pipe is limited, the air pipe can be flat square.

Preferably, a dust collector is arranged below the cyclone dust collector, a conical shell of the dust collector is adopted, and a dust collection box is arranged below the dust collector. An explosion venting and preventing device is arranged at an inlet of the dust collector, and the explosion venting and preventing device can effectively prevent dust from exploding when the dust reaches an explosion condition. Because the sodium cyclamate dust is sticky and is a food product, the dust collector is made of SUS304, and the contact shell of the dust collector and materials is a mirror surface stainless steel plate, so that the materials are prevented from being adsorbed and accumulated.

Preferably, the induced draft fan is connected with the dust outlet of the cyclone dust collector through an air pipe, and the induced draft fan is connected with the smoke inlet through an air pipe. The dust-containing gas of each dust suction point is sucked into a stainless steel round air pipe of a mirror surface through the suction pressure of a centrifugal fan and is converged into a branch main pipe to enter a high-efficiency cyclone centrifugal separation dust collector, dust particles which enter the dust collector and are larger than 10um fall into a dust collection box after centrifugal separation, the rest dust particles with the particle sizes smaller than 10um enter a purification tower together under the air draft effect of the draught fan, are dissolved in an atomized water through a spraying and atomizing device and then are dissolved in a circulating tank, and are input into a sodium cyclamate production line feeding system after being subjected to multiple circulating concentration.

Preferably, supports are arranged below the air pipes, the distance between the supports in the middle of the air pipes with the diameters not larger than (including) 200mm is not larger than 6 meters, and the distance between the support centers of the air pipes with the diameters larger than 200mm is not larger than 4.0 meters. The support will be positioned so that it can support the duct completely filled with dust when not loaded into the equipment to which it is attached.

Preferably, the top end of the purifying tower is provided with a flue gas outlet.

The utility model has the advantages that: after the dusty gas enters the dust collector, centrifugal separation, 99% of large particles can be separately collected and taken in the dust collection box to be continuously utilized as raw materials, the gas containing fine particle dust enters the purification tower under the action of the draught fan, the gas and atomized spray water in the tower are fully mixed and dissolved in the water, the air flow is discharged into the atmosphere after being secondarily dehydrated and demisted by the dehydration demister arranged at the top of the tower, the sodium cyclamate solution with the lower part dissolved in the water flows into the circulating tank and then is conveyed to the atomized spray layer by the stainless steel conveying pump, the gas is contacted and circulated with the dusty gas for many times, the concentrated solution after being circulated for many times is periodically conveyed and pumped into a workshop sodium cyclamate production line, dust collection and purification are completed, no waste water is discharged from the whole system, and the gas is discharged after reaching the standard.

Drawings

Fig. 1 is a schematic view of a dust treatment apparatus for sodium cyclamate production according to a preferred embodiment of the present invention.

In the figure: 1. a cyclone dust collector; 11. a dust collector; 12. a dust collection box; 2. an induced draft fan; 3. a purification tower; 31. a smoke inlet; 32. a dedusting water outlet; 33. a dewatering and demisting device; 34. a flue gas outlet; 4. a circulation tank; 41. a circulation pump; 42. a delivery pump; 51. a first spray atomizer; 52. a second spray atomizer; 53. a third spray atomizing device; 6. a flue gas duct; 7. a water supply device.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Referring to the attached drawing 1, the sodium cyclamate production dust treatment device in the embodiment comprises a cyclone dust collector 1, an induced draft fan 2, a purification tower 3, a circulation tank 4 and at least one dust collection cover, wherein the dust collection cover is arranged at a dust collection point of a production line and is connected with the cyclone dust collector 1 through an air pipe 6, a dust collector 11 is arranged below the cyclone dust collector 1, a shell of the dust collector 11 is conical, and a dust collection box 12 is arranged below the dust collector 11. Draught fan 2 passes through tuber pipe 6 and cyclone 1's dust outlet connection, draught fan 2 passes through tuber pipe 6 and the smoke and dust entry 31 connection of purifying column 3 lower extreme. 3 lower extremes of purifying tower still are provided with the dust removal water outlet 32, be provided with the atomizing device that sprays in the purifying tower 3, the atomizing device that sprays includes the shower, be provided with spray valve and shower head on the shower, the atomizing device that sprays includes from up setting gradually first atomizing device 51, second atomizing device 52 and the third atomizing device 53 that sprays down, first atomizing device 51 and second spray atomizing device 52 and lead to pipe and the circulating pump 41 that sets up in the circulating slot 4 and connect, the third sprays atomizing device and leads to pipe and water supply installation and connects 7. A delivery pump 42 is provided in the circulation tank 4. The spray pipe of the first spray atomization device 51 is arranged in parallel with the purification tower 3, and the spray head of the first spray atomization device 51 is arranged at the smoke inlet 31. The spray pipe of the second spray atomization device 52 and the spray pipe of the third spray atomization device 53 are both arranged perpendicular to the purification tower 3, the spray head of the second spray atomization device 52 is arranged downwards, and the spray head of the third spray atomization device 53 is arranged upwards.

The purification tower 3 of this embodiment includes a dehydration defogging device 33, the dehydration defogging device 33 is disposed above the third spraying atomization device 53 to absorb the vapor in the gas. The top end of the purification tower 3 is provided with a flue gas outlet 34 for discharging gas into the air.

The support is arranged below the air pipe 6, the distance between the supports in the middle of the air pipe 6 with the diameter not larger than (including) 200mm is not larger than 6 meters, and the distance between the support centers of the air pipe 6 with the diameter larger than 200mm is not larger than 4.0 meters. The support will be positioned such that it can support the duct 6 completely filled with dust when it is not loaded on the equipment to which it is connected.

The process for treating the sodium cyclamate production dust comprises the following steps: the dusty gas of each dust suction point is pumped by a centrifugal fan, passes through a dust collection cover suction air pipe 6 and then enters a high-efficiency cyclone centrifugal separation dust collector 11, dust particles with the particle size of more than 10um entering the dust collector 11 fall into a dust collection box 12 after centrifugal separation, the rest small amount of dust with the particle size of less than 10um enters a purification tower under the action of an induced draft fan 2, the sodium cyclamate fine dust in the gas is dissolved in atomized water when passing through a spray atomization device and then flows into the tower bottom of the purification tower 3 together with the atomized water, the gas flow is dehydrated and demisted by a dehydration demister 33 arranged at the top of the purification tower 3 and then discharged into the atmosphere, the sodium cyclamate solution dissolved in the water flows into a circulation tank 4 and then enters a spray atomization device again for atomization and spray by a circulation pump 41, the atomized water is contacted with the gas containing the sodium cyclamate dust for many times and absorbs the sodium cyclamate dust, and the sodium cyclamate concentrated solution after many times is periodically conveyed to a sodium cyclamate production workshop by a conveying pump 42, thereby completing dust collection and purification.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.

Claims

1. A sodium cyclamate production dust treatment device, which comprises a cyclone dust collector (1), an induced draft fan (2), a purification tower (3) and a circulating tank (4), it is characterized in that the lower end of the purification tower (3) is provided with a smoke inlet (31) and a dedusting water outlet (32), a spray atomization device is arranged in the purification tower (3), the spray atomization device comprises a spray pipe, the spray pipe is provided with a spray valve and a spray head, the spray atomization device comprises a first spray atomization device (51), a second spray atomization device (52) and a third spray atomization device (53) which are arranged from bottom to top in sequence, the first spraying atomization device (51) and the second spraying atomization device (52) are connected with a circulating pump (41) arranged in the circulating groove (4) through a water pipe, the third spraying and atomizing device (53) is connected with the water supply device (7) through a water pipe.

2. A cyclinder production dust handling device according to claim 1, characterized in that a transfer pump (42) is arranged in the circulation tank (4).

3. A sodium cyclamate production dust processing apparatus according to claim 2, wherein the spray pipe of the first spray atomizer (51) is arranged in parallel with the purification tower (3), and the spray head of the first spray atomizer (51) is arranged at the smoke inlet (31).

4. A sodium cyclamate production dust processing apparatus according to claim 3, wherein the spray pipes of the second spray atomizer (52) and the third spray atomizer (53) are arranged perpendicular to the purification tower (3), the spray head of the second spray atomizer (52) is arranged downwards, and the spray head of the third spray atomizer (53) is arranged upwards.

5. A sodium cyclamate production dust handling device according to claim 4, wherein the purification tower (3) comprises a dewatering and demisting device (33), the dewatering and demisting device (33) being arranged above the third spray atomization device (53).

6. A sodium cyclamate production dust handling device according to claim 5, further comprising a plurality of dust hoods, wherein the dust hoods are arranged at the dust suction points of the production line and are connected with the cyclone dust collector (1) through an air duct (6).

7. A sodium cyclamate production dust processing device according to claim 6, wherein a dust collector (11) is arranged below the cyclone dust collector (1), the housing of the dust collector (11) is conical, and a dust collecting box (12) is arranged below the dust collector (11).

8. A sodium cyclamate production dust processing apparatus according to claim 7, wherein the induced draft fan (2) is connected with the dust outlet of the cyclone (1) through an air duct.

9. A sodium cyclamate production dust handling device according to claim 8, wherein the induced draft fan (2) is connected to the smoke inlet (31) by an air duct.

10. A cyclamate production dust handling device according to claim 9, wherein a support is arranged below the air duct (6).