CN214182534U

CN214182534U - Dimethylamine crystallization tail gas acid neutralization scrubbing tower clean system

Info

Publication number: CN214182534U
Application number: CN202023222060.8U
Authority: CN
Inventors: 姜方强
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-09-14
Anticipated expiration: 2030-12-28

Abstract

The utility model relates to a dimethylamine crystallization tail gas acid neutralization washing tower purification system, which comprises a washing tower body, the inner cavity of the washing tower body is divided into a spray cavity, a recovery cavity and a combustion cavity which are sequentially arranged from top to bottom by a filter plate and a baffle plate, a gas discharge pipe, a tail gas inlet pipe and a connecting pipe are also arranged on the washing tower body, a burner is arranged in the combustion cavity, a reaction liquid box is arranged outside the washing tower body, a recovery hopper is arranged in the recovery cavity, the recovery hopper is communicated with the reaction liquid box by the reaction liquid recovery pipe, a first spray pipe, a second spray pipe, a first spray head and a second spray head are arranged in the spray cavity, the first spray pipe and the second spray pipe are communicated with the reaction liquid box by the reaction liquid inlet pipe, a filter assembly is arranged in the gas discharge pipe, the tail gas enters the combustion cavity by the tail gas inlet pipe, and enters the recovery cavity by the connecting pipe after the combustion of the burner, the filter plate is filtered and then enters the spraying cavity, and the gas is discharged from the gas discharge pipe after being filtered by the spraying filter and the filter assembly.

Description

Dimethylamine crystallization tail gas acid neutralization scrubbing tower clean system

Technical Field

The utility model relates to a tail gas clean-up equipment technical field especially relates to a dimethylamine crystallization tail gas acid neutralization scrubbing tower clean-up system.

Background

Along with the rapid development of leather industry, the process flow of the leather industry is more and more complicated, odorous tail gas can be generated in the leather processing and production process, the main components of the odorous tail gas contain dimethylamine and the like, the odorous tail gas is treated to meet the emission requirement of atmospheric pollutants, and the method has important significance for protecting the environment.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a dimethylamine crystallization tail gas acid neutralization scrubbing tower clean system to the tail gas filter effect good and conveniently change the consumptive material.

The technical scheme of the utility model is realized like this: the utility model provides a dimethylamine crystallization tail gas acid neutralization scrubbing tower clean system, includes the scrubbing tower body that has the inner chamber, its characterized in that: the upper part and the lower part of the inner cavity of the washing tower body are respectively provided with a filter plate and a baffle plate, the inner cavity of the washing tower body is divided into a spraying cavity, a recovery cavity and a combustion cavity which are sequentially arranged from top to bottom through the filter plate and the baffle plate, the top and the bottom of the washing tower body are respectively provided with a gas discharge pipe communicated with the top of the spraying cavity and a tail gas inlet pipe extending into the combustion cavity, the middle parts of the inner walls of the left side and the right side opposite to the combustion cavity are respectively provided with a burner, the outer wall of the washing tower body is provided with a connecting pipe for communicating the top of the combustion cavity and the bottom of the recovery cavity, a reaction liquid box is arranged outside the washing tower body, reaction liquid is contained in the reaction liquid box, the recovery cavity is internally provided with a recovery hopper, the bottom of the recovery hopper is communicated with the reaction liquid box through a reaction liquid recovery pipe, the top of the spraying cavity is provided with a first spraying pipe extending along the transverse direction, and the bottom of the first spraying pipe is provided with a plurality of first spraying heads, first shower passes through reaction liquid input tube and reaction liquid case intercommunication, install the circulating pump on the reaction liquid input tube, spray the installation sleeve that the equal opening in top and bottom set up is installed to the chamber bottom, the outer wall of installation sleeve and the inner wall butt that sprays the chamber, fixed mounting has the second shower around setting up on the installation sleeve inner wall, the second shower is kept away from and is installed a plurality of second shower heads on the telescopic outer wall of installation, the one end of second shower is sealed, and the other end passes behind the washing tower body lateral wall with the reaction liquid input tube intercommunication, demountable installation has the filtering component who is arranged in filtering off gas harmful substance among the gas discharge pipe.

By adopting the technical scheme, in daily use, tail gas wrapped with dimethylamine enters a combustion chamber through a tail gas inlet pipe, a burner arranged in the combustion chamber is started to ignite the dimethylamine wrapped in the tail gas and other combustible and harmful substances, the tail gas after combustion and filtration enters a recovery chamber through a connecting pipe, and enters a spray chamber after being filtered by a filter plate, under the action of a circulating pump, reaction liquid in a reaction liquid box sequentially passes through a reaction liquid input pipe, a first spray pipe and a second spray pipe and then is sprayed into the spray chamber through a first spray head and a second spray head, the tail gas entering the spray chamber is sprayed in all directions through the arrangement of the first spray head and a plurality of second spray heads, so that the reaction liquid is in full contact with the tail gas, the filtering effect of the reaction liquid on the harmful substances in the tail gas is improved, and the reaction liquid absorbs the harmful substances in the tail gas and then condenses on the inner wall of an installation sleeve, and in drippage recovery fill behind the filter, return to the reaction liquid incasement at the reaction liquid recovery pipe of recovery fill bottom through setting up, the tail gas that sprays the intracavity is filtered through spraying of reaction liquid, get into in the gas escape pipe, filter the back to tail gas through installing the filter assembly in the gas escape pipe, tail gas is kept away from the one end that sprays the chamber through the gas discharge pipe and is discharged, through setting up filter assembly detachable in the gas escape pipe, make things convenient for the staff to change the filter assembly who became invalid, compare with prior art, the utility model provides a filter effect of equipment to tail gas to make things convenient for the staff to change filter assembly.

The utility model discloses further set up to: the filter assembly comprises two fixing rings and two fixing rings which are oppositely arranged in the gas discharge pipe to form an installation cavity, activated carbon is arranged in the installation cavity, filter screens are arranged between the left end and the right end of the activated carbon and the inner sides of the fixing rings of the left side and the right side, an outlet communicated with the installation cavity is formed in the top of the outer wall of the gas discharge pipe, an cover plate is movably arranged in the outlet, and a handle is installed on the outer wall of the cover plate.

Through adopting above-mentioned technical scheme, in daily use, the position of active carbon in gas-discharge tube is injectd through the installation cavity that forms between two solid fixed rings, and it passes through the gas-discharge tube not to hinder tail gas, the filter screen of setting between the solid fixed ring in active carbon both ends and both sides can play the center that prevents the active carbon and pass through the solid fixed ring in both sides and fall out the installation cavity, when the staff need change the active carbon, only need drive the apron through the handle and rotate around articulated department, open until the opening, alright in order to take out the active carbon that became invalid, put into the installation cavity with new active carbon, make the apron rotate around articulated department again, can with the export closure, through such a mode, make things convenient for the staff to change the active carbon that became invalid.

The utility model discloses further set up to: the left end of apron is articulated with the left end of export, and first magnet is installed to the right-hand member, the second magnet with first magnet looks adaptation is installed to the right-hand member of export, be provided with the buffering cushion between second magnet and the first magnet.

Through adopting above-mentioned technical scheme, in daily use, when the apron will export and close, the setting is at first magnet and the second magnet mutual absorption of apron right-hand member and export right-hand member, makes the right-hand member of apron obtain fixedly, and the buffering cushion that sets up between first magnet and second magnet can absorb the apron and close the time, and the impact force that produces when first magnet and second magnet clash into avoids first magnet and second magnet to send out because of the phenomenon that strikes each other and take place the damage.

The utility model discloses further set up to: the part that the connecting pipe is located the washing tower body outside is the S-shaped setting, just there is the radiator fan who is used for cooling down the connecting pipe through the forced air cooling in the outside of washing tower body through the support mounting.

Through adopting above-mentioned technical scheme, in daily use, when the tail gas through the burning passes through the connecting pipe, will blow to send the connecting pipe surface through radiator fan, cool down the connecting pipe, through such mode, make the tail gas of high temperature pass through behind the connecting pipe, the temperature obtains reducing, improves the reaction liquid and filters the harmful substance that gets into in the tail gas that sprays the intracavity.

The utility model discloses further set up to: and a heat insulation layer is arranged at the top of the partition plate.

Through adopting above-mentioned technical scheme, in daily use, the setting can avoid the high temperature of combustion chamber to pass through the baffle and transmit to the recovery intracavity at the insulating layer at baffle top, and the phenomenon that heats once more to tail gas takes place.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 inventive exercise.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic view of a part a of the enlarged structure in fig. 1.

The labels in the figures are:

1-washing tower body, 2-filter plate, 3-baffle plate, 4-spray chamber, 5-recovery chamber, 6-combustion chamber, 7-gas discharge pipe, 8-tail gas inlet pipe, 9-burner, 10-reaction liquid box, 11-recovery hopper, 12-reaction liquid recovery pipe, 13-first spray pipe, 14-first spray head, 15-circulating pump, 16-mounting sleeve, 17-second spray pipe, 18-second spray head, 19-active carbon, 20-filter screen, 21-cover plate, 22-handle, 23-first magnet, 24-second magnet, 25-buffer rubber pad, 26-cooling fan, 27-heat-insulating layer and 28-connecting pipe.

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 efforts belong to the protection scope of the present invention.

As shown in fig. 1-2, the utility model discloses a dimethylamine crystallization tail gas acid neutralization washing tower clean system, including the washing tower body 1 that has the inner chamber in the embodiment of the utility model: the upper part and the lower part of the inner cavity of the washing tower body 1 are respectively provided with a filter plate 2 and a baffle plate 3, the inner cavity of the washing tower body 1 is divided into a spraying cavity 4, a recovery cavity 5 and a combustion cavity 6 which are sequentially arranged from top to bottom through the filter plate 2 and the baffle plate 3, the top and the bottom of the washing tower body 1 are respectively provided with a gas discharge pipe 7 communicated with the top of the spraying cavity 4 and a tail gas inlet pipe 8 extending into the combustion cavity 6, the middle parts of the inner walls of the left side and the right side opposite to the combustion cavity 6 are respectively provided with a burner 9, the outer wall of the washing tower body 1 is provided with a connecting pipe 28 for communicating the top of the combustion cavity 6 with the bottom of the recovery cavity 5, the washing tower body 1 is externally provided with a reaction liquid box 10, reaction liquid is filled in the reaction liquid box 10, the recovery chamber 5 is internally provided with a recovery bucket 11, the bottom of the recovery bucket 11 is communicated with the reaction liquid box 10 through a reaction liquid recovery pipe 12, the top of the spraying cavity 4 is provided with a first spraying pipe 13 extending along the transverse direction, the bottom of the first spraying pipe 13 is provided with a plurality of first spraying heads 14, the first spray pipe 13 is communicated with the reaction liquid box 10 through a reaction liquid input pipe 29, a circulating pump 15 is arranged on the reaction liquid input pipe 29, the bottom of the spraying cavity 4 is provided with a mounting sleeve 16 with openings at the top and the bottom, the outer wall of the mounting sleeve 16 is abutted against the inner wall of the spraying cavity 4, a second spray pipe 17 which is arranged in a surrounding way is fixedly arranged on the inner wall of the mounting sleeve 16, a plurality of second spray heads 18 are arranged on the outer wall of the second spray pipe 17 far away from the mounting sleeve 16, one end of the second spray pipe 17 is closed, the other end of the second spray pipe passes through the side wall of the washing tower body 1 and then is communicated with a reaction liquid input pipe 29, and a filtering component for filtering harmful substances in the tail gas is detachably arranged in the gas discharge pipe 7.

By adopting the technical scheme, in daily use, tail gas wrapped with dimethylamine enters the combustion chamber 6 through the tail gas inlet pipe 8, the burner 9 arranged in the combustion chamber 6 is started to ignite the dimethylamine wrapped in the tail gas and other combustible harmful substances, the tail gas after combustion and filtration enters the recovery chamber 5 through the connecting pipe 28, enters the spraying chamber 4 after being filtered by the filter plate 2, under the action of the circulating pump 15, reaction liquid in the reaction liquid box 10 sequentially passes through the reaction liquid inlet pipe 29, the first spraying pipe 13 and the second spraying pipe 17, then is sprayed into the spraying chamber 4 through the first spraying head 14 and the second spraying head 18, the tail gas entering the spraying chamber 4 is sprayed in all directions through the arrangement of the first spraying head 14 and the plurality of second spraying heads 18, so that the reaction liquid is fully contacted with the tail gas, and the filtering effect of the reaction liquid on the harmful substances in the tail gas is improved, the harmful substance among the reaction liquid absorption tail gas condenses on the 16 inner walls of installation sleeve behind, and in drippage the recovery fill 11 behind through filter 2, return to in reaction liquid box 10 at the reaction liquid recovery pipe 12 of recovery fill 11 bottom through setting up, spray the tail gas in the chamber 4 after the spraying filtration of reaction liquid, get into in the gas discharge pipe 7, filter the back to tail gas through the filter assembly who installs in gas discharge pipe 7, tail gas keeps away from the one end discharge who sprays chamber 4 through gas discharge pipe 7, through setting up filter assembly detachable in gas discharge pipe 7, make things convenient for the staff to change the filter assembly who loses efficacy, compare with prior art, the utility model provides the high filtration effect of equipment to tail gas to make things convenient for the staff to change filter assembly.

In the embodiment of the present invention: the filter assembly comprises two fixing rings 30 and two fixing rings 30 which are oppositely arranged in the gas discharge pipe 7, a mounting cavity is formed between the two fixing rings 30, activated carbon 19 is arranged in the mounting cavity, a filter screen 20 is arranged between the inner sides of the left end and the right end of the activated carbon 19 and the inner sides of the fixing rings 30 on the left side and the right side, an outlet communicated with the mounting cavity is formed in the top of the outer wall of the gas discharge pipe 7, a cover plate 21 is movably arranged in the outlet, and a handle 22 is arranged on the outer wall of the cover plate 21.

Through adopting above-mentioned technical scheme, in daily use, the installation cavity that forms between two solid fixed rings 30 is injectd the position of active carbon 19 in gas discharge pipe 7, and it passes through gas discharge pipe 7 not to hinder tail gas, the filter screen 20 that sets up between the solid fixed ring 30 in active carbon 19 both ends and both sides can play the center that prevents active carbon 19 through the solid fixed ring 30 in both sides and fall out the installation cavity, when the staff need change active carbon 19, only need drive apron 21 through handle 22 and rotate around articulated department, open until the opening, alright with take out the active carbon 19 that became invalid, put into the installation cavity with new active carbon 19, make apron 21 rotate around articulated department again, it can to export the closure, through such a mode, make things convenient for the staff to change the active carbon 19 that became invalid.

In the embodiment of the present invention: the left end of apron 21 is articulated with the left end of export, and first magnet 23 is installed to the right-hand member, the second magnet 24 with first magnet 23 looks adaptation is installed to the right-hand member of export, be provided with buffering cushion 25 between second magnet 24 and the first magnet 23.

Through adopting above-mentioned technical scheme, in daily use, when apron 21 closed the export, the first magnet 23 and the second magnet 24 that set up at apron 21 right-hand member and export right-hand member adsorb each other, make the right-hand member of apron 21 fixed, the buffering cushion 25 that sets up between first magnet 23 and second magnet 24 can absorb apron 21 when closing, the impact force that produces when first magnet 23 and second magnet 24 clash into, avoid first magnet 23 and second magnet 24 because of the phenomenon that strikes each other and take place the damage to send out.

In the embodiment of the present invention: the part that connecting pipe 28 is located the washing tower body 1 outside is the S-shaped setting, just there is radiator fan 26 that is used for cooling connecting pipe 28 through the forced air cooling in the outside of washing tower body 1 through the support mounting.

Through adopting above-mentioned technical scheme, in daily use, when the tail gas through the burning passes through connecting pipe 28, send wind to the connecting pipe 28 surface through radiator fan 26, cool down connecting pipe 28, through such mode, after the tail gas that makes the high temperature passes through connecting pipe 28, the temperature obtains reducing, and improvement reaction liquid filters the harmful substance that gets into in the tail gas that sprays in the chamber 4.

In the embodiment of the present invention: the top of the partition board 3 is provided with a heat insulation layer 27.

Through adopting above-mentioned technical scheme, in daily use, the insulating layer 27 that sets up at baffle 3 top can avoid the high temperature in the combustion chamber 6 to pass through baffle 3 and transmit to retrieve the chamber 5 in, and the phenomenon that heats once more to tail gas takes place.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a dimethylamine crystallization tail gas acid neutralization scrubbing tower clean system, includes scrubbing tower body (1) that has the inner chamber, its characterized in that: the device is characterized in that the upper part and the lower part of an inner cavity of the washing tower body (1) are respectively provided with a filter plate (2) and a partition plate (3), the inner cavity of the washing tower body (1) is divided into a spraying cavity (4), a recovery cavity (5) and a combustion cavity (6) which are sequentially arranged from top to bottom through the filter plate (2) and the partition plate (3), the top and the bottom of the washing tower body (1) are respectively provided with a gas discharge pipe (7) communicated with the top of the spraying cavity (4) and a tail gas inlet pipe (8) extending into the combustion cavity (6), the middle parts of the inner walls of the left side and the right side opposite to the combustion cavity (6) are respectively provided with a burner (9), the outer wall of the washing tower body (1) is provided with a connecting pipe (28) for communicating the top of the combustion cavity (6) with the bottom of the recovery cavity (5), the washing tower body (1) is externally provided with a reaction liquid box (10) and reaction liquid is arranged inside the reaction liquid box (10), a recovery hopper (11) is arranged in the recovery cavity (5), the bottom of the recovery hopper (11) is communicated with a reaction liquid box (10) through a reaction liquid recovery pipe (12), a first spray pipe (13) extending transversely is arranged at the top of the spray cavity (4), a plurality of first spray heads (14) are arranged at the bottom of the first spray pipe (13), the first spray pipe (13) is communicated with the reaction liquid box (10) through a reaction liquid input pipe (29), a circulating pump (15) is arranged on the reaction liquid input pipe (29), an installation sleeve (16) with openings at the top and the bottom is arranged at the bottom of the spray cavity (4), the outer wall of the installation sleeve (16) is abutted against the inner wall of the spray cavity (4), a second spray pipe (17) arranged around is fixedly arranged on the inner wall of the installation sleeve (16), and a plurality of second spray heads (18) are arranged on the outer wall of the second spray pipe (17) far away from the installation sleeve (16), one end of the second spraying pipe (17) is closed, the other end of the second spraying pipe penetrates through the side wall of the washing tower body (1) and then is communicated with the reaction liquid input pipe (29), and a filtering assembly used for filtering harmful substances in tail gas is detachably mounted in the gas discharge pipe (7).

2. The purification system of the acid neutralization and washing tower for the tail gas of dimethylamine crystallization according to claim 1, wherein: the filter assembly comprises two fixing rings (30) which are oppositely arranged in a gas discharge pipe (7) and an installation cavity formed between the two fixing rings (30), wherein activated carbon (19) is arranged in the installation cavity, a filter screen (20) is installed between the inner sides of the left end and the right end of the activated carbon (19) and the inner sides of the fixing rings (30) on the left side and the right side, an outlet communicated with the installation cavity is formed in the top of the outer wall of the gas discharge pipe (7), an cover plate (21) is movably arranged in the outlet, and a handle (22) is installed on the outer wall of the cover plate (21).

3. The purification system of the acid neutralization and washing tower for the tail gas of dimethylamine crystallization according to claim 2, wherein: the left end of apron (21) is articulated with the left end of export, and first magnet (23) are installed to the right-hand member, second magnet (24) with first magnet (23) looks adaptation are installed to the right-hand member of export, be provided with between second magnet (24) and first magnet (23) buffering cushion (25).

4. The purification system of the acid neutralization and washing tower for the tail gas of dimethylamine crystallization according to claim 3, wherein: the part that connecting pipe (28) are located washing tower body (1) outside is the S-shaped setting, just there is radiator fan (26) that is used for cooling down connecting pipe (28) through the forced air cooling in the outside of washing tower body (1) through the support mounting.

5. The acid neutralization and washing tower purification system for dimethylamine crystallization tail gas according to claim 4, wherein the purification system comprises: and a heat insulation layer (27) is arranged at the top of the clapboard (3).