CN210663827U - Novel flash dryer tail gas treatment device - Google Patents

Abstract

The utility model discloses a novel flash distillation desiccator tail gas treatment device, including the dust removal case, the filter bag is crossed in the setting of dust removal incasement portion's intermediate position, is connected with first branch pipe and the second branch pipe that admits air on the up end of dust removal case, first branch pipe and the second branch pipe that admits air links to each other with the intake pipe simultaneously, sets up in the intake pipe and installs air supply fan, is connected with first exhaust branch pipe on the left side wall of dust removal case, is connected with the second exhaust branch pipe on the right side wall of dust removal case, first exhaust branch pipe and second exhaust branch pipe link to each other with the blast pipe simultaneously, set up on the blast pipe and install exhaust fan. The utility model relates to a simple structure, it is thorough to remove dust, and novel flash dryer tail gas processing apparatus that dust collection efficiency is high.

Description

Novel flash dryer tail gas treatment device

Technical Field

The utility model relates to a tail gas treatment technical field specifically is a novel flash distillation desiccator tail gas treatment device.

Background

The flash evaporation drying equipment is a vertical fluidized bed drying equipment with a rotary crushing device, the main body of the flash evaporation drying equipment is a cylindrical drying chamber, the flash evaporation drying equipment consists of a crushing fluidization section at the bottom, a middle drying section and a top grading section, and the flash evaporation drying equipment can simultaneously complete the crushing, drying, grading and other operations of materials. In addition, the device also comprises a heater, a feeder, a stirring and crushing system, a classifier, a drying main pipe, a cyclone separator, a bag-type dust remover, a fan and the like. Hot air enters the stirring, crushing and drying chamber from the bottom of the dryer through the pipe diameter of the inlet at a proper spraying and transporting speed and rises spirally, meanwhile, materials are quantitatively added into the tower through the feeder and are subjected to sufficient heat exchange with the hot air to generate strong shearing, blowing and rotating effects on the materials, and then the materials are subjected to centrifugation, shearing, collision and friction to be micronized, so that the mass and heat transfer is enhanced. At the bottom of the dryer, the larger and wetter particle groups are mechanically crushed under the action of the stirrer, the moisture content is lower, the particles with smaller particle sizes are carried by the airflow and ascend, the particles are conveyed to the separator for gas-solid separation, finished products are collected and packaged, and the tail gas is treated by the dust removal device and then is emptied.

However, the present flash dryer tail gas processing apparatus is poor in dust removal effect, and a large amount of dust still exists in the tail gas after the processing, and no matter whether the tail gas is discharged or recycled, adverse effects can be caused. Therefore, a new flash dryer tail gas treatment device is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel flash dryer tail gas treatment device to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a novel flash evaporation dryer tail gas treatment device comprises a dust removal box, wherein a filter bag is arranged in the middle of the inner part of the dust removal box, a first air inlet branch pipe and a second air inlet branch pipe are connected to the upper end surface of the dust removal box, the first air inlet branch pipe and the second air inlet branch pipe are simultaneously connected with an air inlet pipe, an air supply fan is arranged on the air inlet pipe, a first exhaust branch pipe is connected on the left side wall of the dust removal box, a second exhaust branch pipe is connected on the right side wall of the dust removal box, the first exhaust branch pipe and the second exhaust branch pipe are connected with the exhaust pipe at the same time, the exhaust pipe is provided with an exhaust fan, one end of the first air inlet branch pipe, the second air inlet branch pipe, the first exhaust branch pipe and the second exhaust branch pipe close to the dust removal box are provided with electromagnetic valves, the lower end of the dust removal box is provided with a dust discharge port, the dust exhaust port is internally provided with a leakage-proof mechanism, and a dust collecting mechanism is arranged below the leakage-proof mechanism.

Preferably, leak protection mechanism is including revolving the board, install the board shell soon on the dust exhaust mouth of dust removal case, revolve the board and rotate and install in revolving the board shell, the upper end of revolving the board shell inside wall is provided with the dog.

Preferably, the inner side wall of the rotating plate shell is a smooth circumferential surface.

Preferably, the dust collecting mechanism comprises a rotary brush, the lower end of the rotary plate shell is fixedly connected with an installation shell, the rotary brush is arranged in the installation shell, and a dust collecting box is detachably arranged at the lower end of the installation shell.

Preferably, the bottom of the dust removal box is provided with a dust guide inclined plane.

Preferably, the outer side wall of the dust removal box is provided with a heat preservation layer, and the outer side walls of the air inlet pipe and the exhaust pipe are wrapped with heat preservation sleeves.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses in, waste gas passes through the intake pipe and gets into the dust removal case, and through the blast pipe discharge after filtering the bag, air supply fan and exhaust fan simultaneous working, solenoid valve and second air inlet branch pipe in the first air inlet of controller control and the second exhaust branch pipe and the solenoid valve in the first exhaust branch pipe are opened in turn for cross the bag and expand in turn to both sides, and the dust is shaken and falls among the alternative expansion process, and then the dust falls into dust collecting mechanism through leak protection mechanism. The rotary plate rotates under the action of airflow, the part of the dust exhaust port, which is positioned at the expansion outer side of the filter bag (namely the side where the dust falls), is controlled to be opened, and the other side is kept closed, so that the dust in the dust collection mechanism can be prevented from flowing back. The heat preservation layer and the heat preservation sleeve can reduce heat loss and are beneficial to recycling of tail gas. The utility model relates to a simple structure, it is thorough to remove dust, and novel flash dryer tail gas processing apparatus that dust collection efficiency is high.

Drawings

FIG. 1 is a schematic structural diagram of a novel flash dryer tail gas treatment device;

fig. 2 is a partial structural view at K in fig. 1.

In the figure: 1-air inlet pipe, 2-air supply fan, 3-first air inlet branch pipe, 4-second air inlet branch pipe, 5-electromagnetic valve, 6-exhaust pipe, 7-exhaust fan, 8-first exhaust branch pipe, 9-second exhaust branch pipe, 10-dust removal box, 11-filter bag, 12-leakage prevention mechanism, 13-rotating plate shell, 14-rotating plate, 15-dust collection mechanism, 16-installation shell, 17-rotating brush, 18-dust collection box, 19-dust guide inclined plane and 20-heat preservation layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a novel flash evaporation dryer tail gas treatment device comprises a dust removal box 10, wherein a filter bag 11 is arranged and installed in the middle of the interior of the dust removal box 10, a first air inlet branch pipe 3 and a second air inlet branch pipe 4 are connected to the upper end face of the dust removal box 10, the first air inlet branch pipe 3 and the second air inlet branch pipe 4 are simultaneously connected with an air inlet pipe 1, an air supply fan 2 is installed on the air inlet pipe 1, a first exhaust branch pipe 8 is connected to the left side wall of the dust removal box 10, a second exhaust branch pipe 9 is connected to the right side wall of the dust removal box 10, the first exhaust branch pipe 8 and the second exhaust branch pipe 9 are simultaneously connected with an exhaust pipe 6, an exhaust fan 7 is installed on the exhaust pipe 6, an electromagnetic valve 5 is installed at one end, close to the dust removal box 10, of the first air inlet branch pipe 3, the second air inlet branch pipe 4, the first exhaust branch pipe 8 and the second exhaust branch pipe 9, and a dust discharge port is arranged at the lower end of the, the dust exhaust port is internally provided with a leakage-proof mechanism 12, and a dust collecting mechanism 15 is arranged below the leakage-proof mechanism 12.

In the working process, waste gas passes through intake pipe 1 and gets into dust removal case 10, discharge through blast pipe 6 after crossing filter bag 11 and filtering, air supply fan 2 and exhaust fan 7 simultaneous working, the solenoid valve in first branch 3 and the second exhaust branch 9 of controller control and the solenoid valve in second branch 4 and the first exhaust branch 8 of admitting air are opened in turn for cross filter bag 11 and expand in turn to both sides, the dust is shaken off among the alternative expansion process, and then the dust falls into collection dirt mechanism 15 through leak protection mechanism 12.

Preferably, the leakage-proof mechanism 12 comprises a rotary plate 14, a rotary plate shell 13 is mounted on the dust exhaust port of the dust exhaust box 10, the rotary plate 14 is rotatably mounted in the rotary plate shell 13, and a stop block is arranged at the upper end of the inner side wall of the rotary plate shell 13.

The rotary plate 14 rotates under the action of the airflow, and controls the part of the dust exhaust opening, which is positioned at the expansion outer side (i.e. the side where the dust falls) of the filter bag 11, to be opened, while the other side is kept closed, so that the dust in the dust collection mechanism 15 can be prevented from flowing back.

Preferably, the inner side wall of the swivel plate housing 13 is a smooth circumferential surface.

The smooth circumferential surface of the rotary plate shell 13 can reduce the gap between the rotary plate shell and the rotary plate 14, and reduce the backflow of dust.

Preferably, the dust collecting mechanism 15 comprises a rotating brush 17, a mounting shell 16 is fixedly connected to the lower end of the rotating plate shell 13, the rotating brush 17 is arranged and mounted inside the mounting shell 16, and a dust collecting box 18 is detachably mounted at the lower end of the mounting shell 16.

The rotating brush 17 is rotated by a motor to sweep dust into a dust collecting box 18.

Preferably, the bottom of the dust removing box 10 is provided with a dust guiding inclined surface 19.

The dust guiding inclined plane 19 facilitates the discharge of the shaken off dust from the dust discharge port.

Preferably, an insulating layer 20 is arranged on the outer side wall of the dust removing box 10, and insulating sleeves wrap the outer side walls of the air inlet pipe 1 and the air outlet pipe 6.

The heat insulation layer 20 and the heat insulation sleeve can reduce heat loss and are beneficial to recycling of tail gas.

The utility model discloses a theory of operation is: the utility model relates to a novel flash distillation desiccator tail gas treatment device, in the working process, waste gas passes through intake pipe 1 and gets into dust removal case 10, through crossing filter bag 11 and filtering the back and discharge through blast pipe 6, air supply fan 2 and exhaust fan 7 simultaneous working, solenoid valve and second air inlet in the branch pipe 9 are divided to the first air inlet of controller control and the solenoid valve of second air inlet in the branch pipe 4 and the first air outlet branch pipe 8 is opened in turn, make and cross filter bag 11 and expand in turn to both sides, the dust is shaken and falls in the expansion process in turn, then the dust falls into dust collecting mechanism 15 through leak protection mechanism 12. The rotary plate 14 rotates under the action of the airflow, and controls the part of the dust exhaust opening, which is positioned at the expansion outer side (i.e. the side where the dust falls) of the filter bag 11, to be opened, while the other side is kept closed, so that the dust in the dust collection mechanism 15 can be prevented from flowing back. The smooth circumferential surface of the rotary plate shell 13 can reduce the gap between the rotary plate shell and the rotary plate 14, and reduce the backflow of dust. The rotating brush 17 is rotated by a motor to sweep dust into a dust collecting box 18. The dust guiding inclined plane 19 facilitates the discharge of the shaken off dust from the dust discharge port. The heat insulation layer 20 and the heat insulation sleeve can reduce heat loss and are beneficial to recycling of tail gas.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (6)

1. The utility model provides a novel flash drying machine tail gas treatment device, includes dust removal case (10), its characterized in that: the dust removing box is characterized in that a filter bag (11) is arranged and installed in the middle of the interior of the dust removing box (10), a first air inlet branch pipe (3) and a second air inlet branch pipe (4) are connected to the upper end face of the dust removing box (10), the first air inlet branch pipe (3) and the second air inlet branch pipe (4) are connected to an air inlet pipe (1) simultaneously, an air supply fan (2) is arranged and installed on the air inlet pipe (1), a first exhaust branch pipe (8) is connected to the left side wall of the dust removing box (10), a second exhaust branch pipe (9) is connected to the right side wall of the dust removing box (10), the first exhaust branch pipe (8) and the second exhaust branch pipe (9) are connected to an exhaust pipe (6) simultaneously, an exhaust fan (7) is arranged and installed on the exhaust pipe (6), and an electromagnetic valve (5) is arranged at one end, close to the dust removing box (10), of the first air inlet branch pipe (3), the second air inlet branch pipe (4), the first exhaust branch pipe (8) and, the lower extreme of dust removal case (10) is provided with the dust exhaust mouth, set up in the dust exhaust mouth and install leak protection mechanism (12), the below of leak protection mechanism (12) sets up installs collection dirt mechanism (15).

2. The novel flash dryer tail gas treatment device according to claim 1, characterized in that: leak protection mechanism (12) are including revolving board (14), install on the dust exhaust mouth of dust removal case (10) and revolve board shell (13), revolve board (14) and rotate and install in revolving board shell (13), the upper end of revolving board shell (13) inside wall is provided with the dog.

3. The novel flash dryer tail gas treatment device according to claim 2, characterized in that: the inner side wall of the rotating plate shell (13) is a smooth circumferential surface.

4. The novel flash dryer tail gas treatment device according to claim 2, characterized in that: the dust collection mechanism (15) comprises a rotary brush (17), the lower end of the rotary plate shell (13) is fixedly connected with an installation shell (16), the rotary brush (17) is arranged in the installation shell (16), and a dust collection box (18) is detachably installed at the lower end of the installation shell (16).

5. The novel flash dryer tail gas treatment device according to claim 1, characterized in that: and a dust guide inclined plane (19) is arranged at the bottom of the dust removal box (10).

6. The novel flash dryer tail gas treatment device according to claim 1, characterized in that: be provided with heat preservation (20) on the lateral wall of dust removal case (10), the parcel has the insulation cover on intake pipe (1) and blast pipe (6) lateral wall.

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