CN209802037U - Dust removal system applied to fluidized bed dryer - Google Patents

Dust removal system applied to fluidized bed dryer Download PDF

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Publication number
CN209802037U
CN209802037U CN201822175717.6U CN201822175717U CN209802037U CN 209802037 U CN209802037 U CN 209802037U CN 201822175717 U CN201822175717 U CN 201822175717U CN 209802037 U CN209802037 U CN 209802037U
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China
Prior art keywords
dust
dust collecting
collecting tower
bag
tower
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Active
Application number
CN201822175717.6U
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Chinese (zh)
Inventor
叶建忠
顾玉仅
韦建国
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Shanghai Qing Ping Pharmaceutical Co Ltd
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Shanghai Qing Ping Pharmaceutical Co Ltd
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Priority to CN201822175717.6U priority Critical patent/CN209802037U/en
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Abstract

The utility model discloses a be applied to fluidized bed dryer's dust pelletizing system, including the sack cleaner, air jet, the dust collection box, rotary valve and PLC control system, the sack dust collector includes the dust collecting tower, be equipped with the baffle in the dust collecting tower, the baffle separates into upper and lower independent cavity and last cavity with the dust collecting tower, filter hole has been seted up at the middle part of baffle, be equipped with in the lower part of baffle and cross the dust bag that filter hole is linked together, bottom at the dust collecting tower is equipped with the discharge gate, be equipped with the air inlet that communicates with lower cavity mutually in the lower part of dust collecting tower, upper portion at the dust collecting tower is equipped with the gas outlet that communicates with last cavity mutually, the air inlet is linked together with cyclone's gas outlet. The utility model discloses difficult messenger's dust bag is blockked up at the collection dirt in-process, need not to carry out the artifical condition to the dust bag, has not only reduced operating personnel's intensity of labour to still improved fluidized bed drying machine's work efficiency, effectually avoided the material granule to discharge together with waste gas, be favorable to the environmental protection.

Description

dust removal system applied to fluidized bed dryer
Technical Field
The utility model relates to a material drying technology field, in particular to be applied to fluidized bed dryer's dust pelletizing system.
Background
The fluidized bed dryer is widely applied to the industries of pharmacy, chemical industry, food processing and the like, hot air formed after air is heated is introduced into a fluidized bed body to continuously blow wet materials, and the wet materials are in a boiling state under the blowing of wind power and fully contact with the hot air, so that the wet materials can be dried in a short time.
When the fluidized bed dryer dries materials, the waste gas after drying the materials is discharged through the cyclone separator under the action of the draught fan, the cyclone separator can separate material particles in the waste gas from the waste gas, the material particles are prevented from being discharged together with the waste gas, although the cyclone separator can separate most of the material particles in the waste gas, some material particles are discharged to the outside together with the waste gas, not only resource waste is caused, but also the environment is polluted, and the environment is not favorable for environmental protection, in the prior art, in order to avoid the situation, a bag-type dust remover is arranged at the downstream of the cyclone separator, the bag-type dust remover intercepts the material particles in the waste gas in the drying process, the material particles are adsorbed on the outer wall of a dust bag of the bag-type dust remover, and after a certain amount of the material particles are adsorbed on the dust bag, the material particles fall onto the bottom of the dust collection tower under the self gravity, by adopting the mode, the dust collecting bag of the bag-type dust collector is easy to be blocked in the dust collecting process, and the machine needs to be stopped for manual cleaning after the dust collecting bag is blocked, so that the labor intensity of operators is improved, and the working efficiency of the fluidized bed dryer is also reduced.
However, in view of the deficiencies of the prior art, it is necessary for researchers to develop a dust removal system applied to a fluidized bed dryer, which has a reasonable design, a simple structure, and convenient operation, is not easy to block a dust collection bag in a dust collection process, does not need to perform manual work on the dust collection bag, reduces the labor intensity of operators, improves the working efficiency of the fluidized bed dryer, effectively prevents material particles from being discharged together with waste gas, and is beneficial to environmental protection.
SUMMERY OF THE UTILITY MODEL
For solving the problem that prior art exists, the utility model aims at providing a reasonable in design, simple structure, convenient operation, difficult messenger's dust bag are blockked up at the collection dirt in-process, need not to carry out the artifical condition to the dust bag, have not only reduced operating personnel's intensity of labour to still improved fluidized bed drying machine's work efficiency, effectually avoided material granule to discharge together with waste gas, be favorable to the environmental protection be applied to fluidized bed drying machine's dust pelletizing system.
for solving the above technical problem, the utility model discloses a following technical scheme realizes:
a dust removal system applied to a fluidized bed dryer is characterized by comprising
The bag-type dust collector is used for effectively filtering material particles in waste gas, and comprises a dust collecting tower, a partition plate is arranged in the dust collecting tower and divides the dust collecting tower into a lower cavity and an upper cavity which are independent from each other, a filtering hole is formed in the middle of the partition plate, a dust collecting bag communicated with the filtering hole is arranged on the lower portion of the partition plate, a discharge hole is formed in the bottom of the dust collecting tower, an air inlet communicated with the lower cavity is formed in the lower portion of the dust collecting tower, an air outlet communicated with the upper cavity is formed in the upper portion of the dust collecting tower, the air inlet is communicated with an air outlet of the cyclone separator, and the air outlet is communicated with an air inlet of a draught fan;
The air injection device is used for impacting and dropping the material particles adsorbed on the outer wall of the dust collection bag of the bag-type dust collector to the bottom of the dust collection tower from the outer wall of the dust collection bag;
The dust collection box is used for collecting material particles and arranged below the dust collection tower;
The rotary valve is used for conveying the material particles falling to the bottom of the dust collecting tower into the dust collecting box through rotation, the rotary valve is arranged at the discharge port of the dust collecting tower, and the rotary valve is driven to rotate by a motor;
And the PLC control system is respectively in communication connection with the air injection device and the motor.
In a preferred embodiment of the present invention, the air injection device includes an air nozzle communicated with the air compressor, the air nozzle is disposed in the upper cavity and the nozzle is aligned with the dust bag, and the air compressor is connected to the PLC control system in communication.
Compared with the prior art, the utility model adopts the above structure difficult messenger's dust bag is blockked up at the collection dirt in-process, need not to carry out the artifical condition to the dust bag, has not only reduced operating personnel's intensity of labour to still improved fluidized bed drying machine's work efficiency, effectually avoided the material granule to discharge together with waste gas, avoid causing the pollution to the environment, be favorable to the environmental protection.
drawings
in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.
Referring to fig. 1, a dust removing system for a fluidized bed dryer is shown, which includes a bag-type dust collector 100, an air injection device, a dust box 300, a rotary valve 400, and a PLC control system.
The bag-type dust collector 100 is used for effectively filtering material particles in waste gas, the bag-type dust collector 100 comprises a dust collecting tower 110, a partition board is arranged in the dust collecting tower 110, the partition board divides the dust collecting tower 110 into a lower cavity 130 and an upper cavity 120 which are independent from each other, a filtering hole is formed in the middle of the partition board, and a dust collecting bag 140 communicated with the filtering hole is arranged at the lower part of the partition board.
The bottom of the dust collecting tower 110 is provided with a discharge hole 113, the lower part of the dust collecting tower 110 is provided with an air inlet 111 communicated with the lower cavity 130, the upper part of the dust collecting tower 110 is provided with an air outlet 112 communicated with the upper cavity 120, the air inlet 111 is communicated with an air outlet of the cyclone separator 800, and the air outlet 112 is communicated with an air inlet of the induced draft fan 1100.
The air injection device is used for impacting the material particles adsorbed on the outer wall of the dust collecting bag 140 of the bag-type dust collector 100 from the outer wall of the dust collecting bag 140 and dropping to the bottom of the dust collecting tower 110, the bottom of the dust collecting tower 110 is integrally conical, the material particles can conveniently flow out from the discharge hole 113, the air injection device comprises an air nozzle 200 communicated with an air compressor and the air compressor, the air nozzle 200 is arranged in the upper cavity 120, the nozzle is aligned with the dust collecting bag 140, and the air compressor is in communication connection with the PLC control system.
dust collection box 300 is used for collecting the material granule, and dust collection box 300 sets up in the below of dust collection tower 110, and rotary valve 400 is used for will dropping to the material granule of dust collection tower 110 bottom through rotatory transport to dust collection box 300 in, and rotary valve 400 sets up in the discharge gate 113 department of dust collection tower 110, and rotary valve 400 drives its rotation through the motor, and the motor is connected with the PLC control system communication.
The working principle of the utility model is as follows:
The material with high humidity is conveyed into the boiling cart 600, the boiling cart 600 heats the material with high humidity under the action of the heater 500, the heated waste gas is conveyed into the cyclone separator 800 through the first connecting pipe 700, the waste gas filtered by the cyclone separator 800 is conveyed into the lower cavity of the dust collecting tower 110 through the second connecting pipe 900, the waste gas is filtered again through the dust collecting bag 140, the material particles mixed in the waste gas are completely filtered out, the waste gas filtered by the dust collecting bag 140 passes through the upper cavity 120 and the third connecting pipe 1000 under the action of the induced draft fan 1100, and is finally discharged through the emptying pipe 1200.
meanwhile, the PLC control system controls the air compressor to operate once every time a set time elapses, and when the air compressor operates, compressed air is sprayed onto the dust collection bag 140 through the air nozzle 200, so that the material particles adsorbed on the outer wall of the dust collection bag 140 fall down to the bottom of the dust collection tower 110, and are finally conveyed into the dust collection box 300 through the rotary valve 400.
To sum up the utility model adopts the above structure difficult messenger's dust bag is blockked up at the collection dirt in-process, need not to carry out the artifical condition to the dust bag, has not only reduced operating personnel's intensity of labour to still improved fluidized bed dryer's work efficiency, effectually avoided material granule to discharge together with waste gas, avoid causing the pollution to the environment, be favorable to the environmental protection.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (2)

1. A dust removal system applied to a fluidized bed dryer is characterized by comprising
The bag-type dust collector is used for effectively filtering material particles in waste gas, and comprises a dust collecting tower, a partition plate is arranged in the dust collecting tower and divides the dust collecting tower into a lower cavity and an upper cavity which are independent from each other, a filtering hole is formed in the middle of the partition plate, a dust collecting bag communicated with the filtering hole is arranged on the lower portion of the partition plate, a discharging hole is formed in the bottom of the dust collecting tower, an air inlet communicated with the lower cavity is formed in the lower portion of the dust collecting tower, an air outlet communicated with the upper cavity is formed in the upper portion of the dust collecting tower, the air inlet is communicated with an air outlet of the cyclone separator, and the air outlet is communicated with an air inlet of a draught fan;
The air injection device is used for impacting and dropping the material particles adsorbed on the outer wall of the dust collection bag of the bag-type dust collector to the bottom of the dust collection tower from the outer wall of the dust collection bag;
The dust collection box is used for collecting material particles and arranged below the dust collection tower;
The rotary valve is used for conveying the material particles falling to the bottom of the dust collecting tower into the dust collecting box through rotation, the rotary valve is arranged at the discharge port of the dust collecting tower, and the rotary valve is driven to rotate by a motor;
And the PLC control system is respectively in communication connection with the air injection device and the motor.
2. the dust removing system for a fluidized bed dryer according to claim 1, wherein: the air injection device comprises an air compressor and an air nozzle communicated with the air compressor, the air nozzle is arranged in the upper cavity and is aligned to the dust collection bag, and the air compressor is in communication connection with the PLC control system.
CN201822175717.6U 2018-12-24 2018-12-24 Dust removal system applied to fluidized bed dryer Active CN209802037U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822175717.6U CN209802037U (en) 2018-12-24 2018-12-24 Dust removal system applied to fluidized bed dryer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822175717.6U CN209802037U (en) 2018-12-24 2018-12-24 Dust removal system applied to fluidized bed dryer

Publications (1)

Publication Number Publication Date
CN209802037U true CN209802037U (en) 2019-12-17

Family

ID=68818363

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201822175717.6U Active CN209802037U (en) 2018-12-24 2018-12-24 Dust removal system applied to fluidized bed dryer

Country Status (1)

Country Link
CN (1) CN209802037U (en)

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