CN210410126U - 2-amino-4-acetamido anisole dust pelletizing system - Google Patents

Abstract

The scheme is provided with the drying device for removing moisture and peculiar smell in dust airflow at the same time, and the cyclone dust removal device for removing dust in the dried and peculiar smell-removed dust airflow to realize high-efficiency separation of 2-amino-4-acetamino anisole dust particles and gas in the dust airflow, greatly improve the dust removal efficiency of the cyclone dust removal device on the dust airflow, greatly improve the collection efficiency of a material collector, remarkably improve the recovery level of the 2-amino-4-acetamino anisole dust particles, reduce environmental pollution, and directly recover the 2-amino-4-acetamino anisole dust particles because the recovered 2-amino-4-acetamino anisole dust particles do not contain external impurities Recovering, and further slicing by the slicing device to obtain the final product after re-melting treatment.

Description

2-amino-4-acetamido anisole dust pelletizing system

Technical Field

The utility model relates to an organic dust treatment technical field especially relates to a 2-amino-4-acetamino anisole dust pelletizing system.

Background

Fine chemicals play an increasing role in national economy and the daily lives of the people, and have become an indispensable class of substances, such as 2-amino-4-acetamidoanisole, as a dye intermediate. The dust problem is frequently encountered in the production process of the 2-amino-4-acetamino anisole, particularly, the dust is easily generated in the slicing process, and the dust is easily escaped due to the poor sealing of the slicing machine, so that the dust is scattered in a production workshop, the resource waste is caused, the environment is seriously polluted, and the adverse effect on the human health is very easily caused. Although the mode of wearing a dustproof mask is adopted to protect the health and safety of operators at present, the waste of organic dust is still serious, and the environment is polluted; at present, some simple dust treatment devices exist, for example, dust is directly pumped to a bag-type dust collector, but most of particles in the dust can be removed, and the dust is difficult to be completely recycled.

Disclosure of Invention

In view of the above, it is necessary to provide a dedusting system for 2-amino-4-acetamino anisole.

A2-amino-4-acetamino anisole dust removal system comprises a slicing device, a drying device and a cyclone dust removal device, wherein the dust outlet end of the slicing device is connected with the inlet end of the drying device, the inlet end of the cyclone dust removal device is connected with the outlet end of the drying device, one side of the slicing device is provided with a first air inlet pipe, the other side of the slicing device is provided with a first air outlet pipe, the cyclone dust removal device comprises a support, a material collector, a spiral cylinder, a conical cylinder, an air inlet pipe, an upper cylinder body, a top plate, a flange and an exhaust pipe, the support is arranged on an external base, the material collector is arranged at the bottom of the support, the spiral cylinder is arranged at the top end of the support, the conical cylinder is arranged between the spiral cylinder and the material collector, one end of the air inlet pipe, the upper barrel is arranged at the top of the spiral barrel, the top plate is arranged at the top of the upper barrel, the flange is arranged at the axis position of the upper barrel, one end of the exhaust pipe is arranged at the bottom of the spiral barrel, and the other end of the exhaust pipe is communicated with the upper barrel.

Preferably, drying device includes drying cabinet, spiral pipe, drying cabinet one end opening to be connected with first outlet duct, drying cabinet other end opening to be connected with the air-supply line, the spiral pipe sets up in the box inside along drying cabinet length direction, a plurality of through-holes have been seted up on the spiral pipe surface.

Preferably, the interior of the spiral tube is filled with a mixture of silica gel desiccant particles and activated carbon particles.

Preferably, first intake pipe includes pipe, sealed lid, gas outlet, filter screen, first baffle, second baffle, third baffle, sealed lid sets up in pipe one end, the gas outlet sets up in the pipe other end, the gas outlet is the loudspeaker form, the filter screen sets up in the inside one side of being close to sealed lid of pipe, first baffle sets up in the inside one side of being close to the filter screen of pipe, the third baffle sets up in the inside one side of being close to the gas outlet of pipe, the second baffle sets up between first baffle and third baffle, a plurality of through-holes have still been seted up on the face of first baffle, second baffle, third baffle.

Preferably, silica gel desiccant particles are filled between the first partition plate and the second partition plate, and activated carbon particles are filled between the second partition plate and the third partition plate.

Preferably, an exhaust fan is further arranged on one side, close to the drying box, of the first air outlet pipe.

The scheme is provided with a drying device for removing moisture and peculiar smell in the dust airflow at the same time, and also provided with a cyclone dust removal device for removing dust from the dust airflow which is dried and has peculiar smell, so that the high-efficiency separation of 2-amino-4-acetamino anisole dust particles and gas in the dust airflow is realized, the dust removal efficiency of the cyclone dust removal device to the dust airflow is greatly improved, and the 2-amino-4-acetamino anisole dust particles are rarely adhered to the inner walls of a spiral cylinder and a conical cylinder in the separation process, so that the 2-amino-4-acetamino anisole dust particles are all fallen into a material collector below the spiral cylinder and the conical cylinder, the collection efficiency of the material collector is greatly improved, the recovery level of the 2-amino-4-acetamino anisole dust particles is obviously improved, and the environmental pollution is reduced, the recovered 2-amino-4-acetamino anisole dust particles do not contain external impurities, and the purity of the particles is consistent with that of the 2-amino-4-acetamino anisole flaky finished product, so the recovered 2-amino-4-acetamino anisole dust particles can be directly recovered, and after re-melting treatment, the particles can be continuously sliced by a slicing device to form the finished product.

Drawings

FIG. 1 is a schematic diagram of the connection of a 2-amino-4-acetamino anisole dedusting system.

Fig. 2 is a schematic structural view of the drying apparatus.

FIG. 3 is a schematic structural view of the cyclone dust removing apparatus.

Fig. 4 is a schematic structural diagram of the first intake pipe.

In the figure: the device comprises a slicing device 10, a first air inlet pipe 11, a round pipe 111, a sealing cover 112, an air outlet 113, a filter screen 114, a first clapboard 115, a second clapboard 116, a third clapboard 117, a first air outlet pipe 12, an exhaust fan 121, a drying device 20, a drying box 21, a spiral pipe 22, a cyclone dust removal device 30, a support 31, a material collector 32, a spiral cylinder 33, a conical cylinder 34, an air inlet pipe 35, an upper cylinder 36, a top plate 37, a flange 38, an exhaust pipe 39, a smell removal tank 41, a second air inlet pipe 42 and a second air outlet pipe 43.

Detailed Description

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Referring to fig. 1 to 4, the present invention provides a 2-amino-4-acetamino anisole dust removing system, which comprises a slicing device 10, a drying device 20, a cyclone dust removing device 30 and a smell removing device, wherein a dust outlet end of the slicing device 10 is connected with an inlet end of the drying device 20, an inlet end of the cyclone dust removing device 30 is connected with an outlet end of the drying device 20, an inlet end of the smell removing device is connected with an outlet end of the cyclone dust removing device 30, a first air inlet pipe 11 is arranged on one side of the slicing device 10 to convey external air into the slicing device 10 to maintain the internal pressure balance of the slicing device 10, a first air outlet pipe 12 is arranged on the other side of the slicing device 10 to convey dust generated in the slicing device 10 into a drying box 21, the cyclone dust removing device 30 comprises a support 31, a material collector 32, a dust, The device comprises a spiral cylinder 33, a conical cylinder 34, an air inlet pipe 35, an upper cylinder 36, a top plate 37, a flange 38 and an exhaust pipe 39, wherein the support 31 is arranged on an external base, the support 31 is provided with a plurality of rigid square pipes or square rods, the material collector 32 is arranged at the bottom of the support 31, the material collector 32 is a reverse frustum-shaped rigid sealed container, a through hole matched with the outlet end of the conical cylinder 34 is formed in one end of the material collector 32 with a large cross section area, an ash discharge port is formed in one end of the material collector 32 with a small cross section area and used for collecting 2-amino-4-acetamino anisole dust particles separated from the spiral cylinder 33 and the conical cylinder 34, the spiral cylinder 33 is arranged at the top end of the support 31, the conical cylinder 34 is arranged between the spiral cylinder 33 and the material collector 32, and the spiral cylinder 33 is communicated with the conical, the spiral cylinder 33 and the conical cylinder 34 are provided with a plurality of cylinders, the spiral cylinder 33 and the conical cylinder 34 are rigid cylinders, one end of the air inlet pipe 35 is connected with the outlet end of the drying device 20, the other end of the air inlet pipe 35 is connected with one side of the spiral cylinder 33 so as to convey the dust airflow which is dried and deodorized by the drying device 20 to the spiral cylinder 33, the upper cylinder 36 is arranged at the top of the spiral cylinder 33, the top plate 37 is arranged at the top of the upper cylinder 36 so as to seal the top of the upper cylinder 36, the flange 38 is arranged at the axial position of the upper cylinder 36, one end of the exhaust pipe 39 is arranged at the bottom of the spiral cylinder 33, the other end of the exhaust pipe 39 is communicated with the upper cylinder 36 so as to convey the gas which is used for removing 2-amino-4-acetamino anisole dust particles in the spiral cylinder 33 and the conical cylinder 34 to the second, the gas also has pungent odor of acid odor, the odor removal device comprises an odor removal tank 41, a second air inlet pipe 42 and a second air outlet pipe 43, one end of the second air inlet pipe 42 is communicated with one side of the upper cylinder 36, the other end of the second air inlet pipe 42 is arranged in the odor removal tank 41 and extends to the bottom of the odor removal tank 41 so as to convey the gas from which the 2-amino-4-acetamido anisole dust particles are removed to the alkali liquor in the odor removal tank 41, the odor removal tank 41 is filled with alkali liquor such as sodium hydroxide solution so that the acetic acid with acid odor in the gas reacts with the sodium hydroxide to generate sodium acetate, so as to effectively remove the pungent odor of acid odor in the gas, one end of the second air outlet pipe 43 is arranged inside the odor removal tank 41, one end of the second air outlet pipe 43 is not in contact with the liquid level of the alkali liquor, and the other end of the second air outlet, the gas with the acid odor pungent smell removed is conveyed to the external environment, the acid odor pungent smell of the surrounding environment is greatly reduced, and the adverse effects of the smell on operators and surrounding residents are remarkably reduced.

Specifically, according to the scheme, the drying device 20 is arranged on one side of the slicing device 10, the peculiar smell caused by non-acetic acid exists in the dust airflow and is difficult to remove by a subsequent odor removal device, the mixture of silica gel desiccant particles and activated carbon particles is filled in the drying device 20, the moisture and the peculiar smell in the dust airflow can be effectively removed, the dried dust airflow is easy to separate the 2-amino-4-acetamido anisole dust particles in the dust airflow by the cyclone dust removal device 30, the 2-amino-4-acetamido anisole dust particles are prevented from being adhered to the inner walls of the spiral cylinder 33 and the conical cylinder 34, and the dust removal efficiency of the cyclone dust removal device 30 is improved;

specifically, a cyclone dust removal device 30 is arranged on one side of the drying device 20, the dust airflow after drying and odor removal is conveyed into the spiral cylinder 33 from the air inlet pipe 35, the dust airflow rotates at high speed along the inner wall surface of the spiral cylinder 33 and moves spirally from top to bottom towards the bottom of the conical cylinder 34 to form an airflow containing 2-amino-4-acetamino anisole dust particles, the airflow descends and rotates outwards, the centrifugal force generated in the strong rotation process throws the 2-amino-4-acetamino anisole dust particles with the density far higher than that of air to the inner wall surface of the spiral cylinder 33 or the conical cylinder 34, once the 2-amino-4-acetamino anisole dust particles contact with the inner wall surface, the inertial force is lost, and the dust particles fall into the material collector 32 along the inner wall surface of the spiral cylinder 33 or the conical cylinder 34 under the action force of self momentum and gravity, the 2-amino-4-acetamino anisole dust particles in the dust airflow are separated from the gas with high efficiency, and the rotating and descending airflow reversely moves upwards along the axis of the spiral cylinder 33 after reaching the bottom of the conical cylinder 34 to form ascending internal rotation airflow which is discharged into the second air inlet pipe 42 through the exhaust pipe 39.

The scheme removes dust from the dust airflow which is dried and has peculiar smell removed, realizes the high-efficiency separation of 2-amino-4-acetamino anisole dust particles and gas in the dust airflow, greatly improves the dust removal efficiency of the cyclone dust removal device 30 to the dust airflow, and in the separation process, the 2-amino-4-acetamino anisole dust particles are rarely adhered to the inner walls of the spiral cylinder 33 and the conical cylinder 34, so that the 2-amino-4-acetamino anisole dust particles are all fallen into the material collector 32 below the dust collector, the collection efficiency of the material collector 32 is greatly improved, the recovery level of the 2-amino-4-acetamino anisole dust particles is obviously improved, the environmental pollution is reduced, and the recovered 2-amino-4-acetamino anisole dust particles do not contain external impurities, the purity is consistent with that of the finished product of the 2-amino-4-acetamino anisole slice, so the recycled 2-amino-4-acetamino anisole dust particles can be directly recycled and can be continuously sliced into the finished product by the slicing device 10 after being melted again.

The scheme is also provided with a smell removal device, and the gas from which the 2-amino-4-acetamino anisole dust particles are removed is conveyed into the smell removal tank 41, so that acetic acid in the gas and alkali liquor in the smell removal tank 41 are subjected to chemical reaction to generate acetate, further the pungent odor of acid odor in the gas is removed, and then the gas from which the pungent odor of acid odor is removed is conveyed into the external environment, so that the pungent odor of acid odor in the surrounding environment is greatly reduced, and the adverse effects of the odors on operators and surrounding residents are remarkably reduced.

Further, drying device 20 includes drying cabinet 21, spiral pipe 22, drying cabinet 21 is sealed rigidity rectangle or square box, drying cabinet 21 one end opening to be connected with first outlet duct 12, in order to carry the dust air current in the section device 10 to drying cabinet 21 inside, drying cabinet 21 other end opening is in order to be connected with air-supply line 35, in order to carry the dust air current after drying, removing the peculiar smell to air-supply line 35, spiral pipe 22 sets up in the box inside along drying cabinet 21 length direction, a plurality of through-holes have been seted up on the surface of spiral pipe 22, in order to carry out the drying, remove the smell to the dust air current of drying cabinet 21 inside.

Further, the spiral tube 22 is filled with a mixture of silica gel desiccant particles and activated carbon particles.

Specifically, the spiral tube 22 has a larger specific surface area, and the mixture of silica gel desiccant particles and activated carbon particles is filled in the spiral tube 22, so that the drying performance and the odor removing performance of the spiral tube 22 are greatly improved; meanwhile, the size of the plurality of through holes formed in the surface of the spiral tube 22 is smaller than the size of the silica gel desiccant particles and the size of the activated carbon particles, so that the silica gel desiccant particles and the activated carbon particles cannot fall off from the plurality of through holes in the surface of the spiral tube 22 in the drying and odor removing processes.

Further, the first air inlet pipe 11 includes a circular pipe 111, a sealing cover 112, an air outlet 113, a filter screen 114, a first separator 115, a second separator 116, and a third separator 117, the sealing cover 112 is disposed at one end of the circular pipe 111 to seal or open one end of the circular pipe 111 to convey the external air into the circular pipe 111, the air outlet 113 is disposed at the other end of the circular pipe 111 to convey the external air processed by the silica gel desiccant particles and the activated carbon particles in the circular pipe 111 into the slicing apparatus 10, the air outlet 113 is shaped like a trumpet to allow the external air processed by the silica gel desiccant particles and the activated carbon particles in the circular pipe 111 to enter the slicing apparatus 10 at a large angle, so that the external air entering the slicing apparatus 10 is sufficiently mixed with the 2-amino-4-acetamido anisole dust particles to form a uniformly mixed dust airflow, the filter screen 114 is disposed at one side of the circular pipe 111 close to the sealing, the filter screen 114 is provided with a plurality of layers to filter macroscopic impurities and particles in the air and prevent the macroscopic impurities and particles from entering the slicing device 10 to be mixed with the 2-amino-4-acetamino anisole dust particles to ensure that dust airflow formed by the 2-amino-4-acetamino anisole dust particles in the slicing device 10 has no foreign impurities so as to ensure that the purity of the 2-amino-4-acetamino anisole dust particles is consistent with that of 2-amino-4-acetamino anisole slicing finished products, the first clapboard 115 is arranged at one side close to the filter screen 114 in the circular tube 111, the third clapboard 117 is arranged at one side close to the air outlet 113 in the circular tube 111, the second clapboard 116 is arranged between the first clapboard 115 and the third clapboard 117, such that a cavity for filling the silica gel desiccant beads is formed between the first partition 115 and the second partition 116, so that a cavity for filling activated carbon particles is formed between the second separator 116 and the third separator 117, the surfaces of the first clapboard 115, the second clapboard 116 and the third clapboard 117 are also provided with a plurality of through holes, the size of the through holes is smaller than that of silica gel desiccant particles and activated carbon particles, so as to prevent the silica gel desiccant particles and the activated carbon particles from being exposed from the plurality of through holes on the plate surfaces of the first partition plate 115, the second partition plate 116 and the third partition plate 117, and prevent the silica gel desiccant particles and the activated carbon particles from entering the slicing device 10 from the plurality of through holes on the plate surface of the third partition plate 117, the 2-amino-4-acetamino anisole slicing finished product or dust particles thereof in the slicing device 10 are prevented from being polluted by silica gel desiccant particles and activated carbon particles.

Specifically, the sealing cover 112, the air outlet 113, the filter screen 114, the first partition plate 115, the second partition plate 116, and the third partition plate 117 are matched with the circular tube 111 in size, and are disposed in the circular tube 111 or at an end portion thereof in a welding or insertion manner, and the circular tube 111, the sealing cover 112, the air outlet 113, the filter screen 114, the first partition plate 115, the second partition plate 116, and the third partition plate 117 are rigid members.

Specifically, as another embodiment, the circular tube 111, the sealing cover 112, the air outlet 113, the filter screen 114, the first partition 115, the second partition 116, and the third partition 117 may also be configured as a non-rigid member, and preferably, the circular tube 111 is a transparent non-rigid tube, so that each part inside the circular tube 111 and at the end thereof can be seen with naked eyes, which is beneficial for an operator to observe the use condition of the first air inlet pipe 11 at the first time.

Further, silica gel desiccant particles are filled between the first partition plate 115 and the second partition plate 116 to remove moisture in the outside air, in rainy days, the humidity of the outside air is high, the outside air with high humidity is dried through the silica gel desiccant particles, so that the outside air conveyed to the inside of the slicing device 10 is not affected by weather, fluctuation of quality of 2-amino-4-acetamino anisole sliced products or dust thereof in the slicing device 10 caused by weather is avoided, and activated carbon particles are filled between the second partition plate 116 and the third partition plate 117 to remove peculiar smell in the outside air, prevent the peculiar smell in the slicing device 10 from escaping from the first air inlet pipe 11 to the outside air, and avoid pollution to the outside air.

Further, the first air outlet pipe 12 is further provided with an exhaust fan 121 at a side close to the drying oven 21, so as to exhaust the dust airflow in the slicing device 10 to the drying oven 21 through the first air outlet pipe 12.

The embodiment of the utility model provides a module or unit in the device can merge, divide and delete according to actual need.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

Claims (6)

1. A2-amino-4-acetamino anisole dust pelletizing system which characterized in that: the device comprises a slicing device, a drying device and a cyclone dust removal device, wherein a dust outlet end of the slicing device is connected with an inlet end of the drying device, an inlet end of the cyclone dust removal device is connected with an outlet end of the drying device, one side of the slicing device is provided with a first air inlet pipe, the other side of the slicing device is provided with a first air outlet pipe, the cyclone dust removal device comprises a support, a material collector, a spiral cylinder, a conical cylinder, an air inlet pipe, an upper cylinder body, a top plate, a flange and an exhaust pipe, the support is arranged on an external base, the material collector is arranged at the bottom of the support, the spiral cylinder is arranged at the top end of the support, the conical cylinder is arranged between the spiral cylinder and the material collector, one end of the air inlet pipe is connected with an outlet end of the drying device, the other end, the flange is arranged at the axis position of the upper barrel, one end of the exhaust pipe is arranged at the bottom of the spiral barrel, and the other end of the exhaust pipe is communicated with the upper barrel.

2. The 2-amino-4-acetamidoanisole dedusting system of claim 1 wherein: drying device includes drying cabinet, spiral pipe, drying cabinet one end opening to be connected with first outlet duct, drying cabinet other end opening to be connected with the air-supply line, the spiral pipe sets up in the box inside along drying cabinet length direction, a plurality of through-holes have been seted up on the spiral pipe surface.

3. The 2-amino-4-acetamidoanisole dedusting system of claim 2 wherein: the interior of the spiral tube is filled with a mixture of silica gel desiccant particles and activated carbon particles.

4. The 2-amino-4-acetamidoanisole dedusting system of claim 1 wherein: first intake pipe includes pipe, sealed lid, gas outlet, filter screen, first baffle, second baffle, third baffle, sealed lid sets up in pipe one end, the gas outlet sets up in the pipe other end, the gas outlet is the loudspeaker form, the filter screen sets up in the inside one side that is close to sealed lid of pipe, first baffle sets up in the inside one side that is close to the filter screen of pipe, the third baffle sets up in the inside one side that is close to the gas outlet of pipe, the second baffle sets up between first baffle and third baffle, a plurality of through-holes have still been seted up on the face of first baffle, second baffle, third baffle.

5. The 2-amino-4-acetamidoanisole dedusting system of claim 4 wherein: silica gel desiccant particles are filled between the first partition plate and the second partition plate, and activated carbon particles are filled between the second partition plate and the third partition plate.

6. The 2-amino-4-acetamidoanisole dedusting system of claim 1 wherein: an exhaust fan is further arranged on one side, close to the drying box, of the first air outlet pipe.

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