CN218154260U

CN218154260U - Desorption catalytic combustion preprocessing device

Info

Publication number: CN218154260U
Application number: CN202222434717.XU
Authority: CN
Inventors: 龙峙岑
Original assignee: Changsha Haolong Machinery Equipment Co ltd
Current assignee: Changsha Haolong Machinery Equipment Co ltd
Priority date: 2022-09-13
Filing date: 2022-09-13
Publication date: 2022-12-27
Anticipated expiration: 2032-09-13

Abstract

The utility model discloses a desorption catalytic combustion preprocessing device, including catalytic combustion room and desorption fan to and the purifying box of setting in the middle of catalytic combustion room and desorption fan, the inside of catalytic combustion room is provided with the exothermic equipment of catalytic combustion, and the side of purifying box is provided with the rose box, and the desorption fan sets firmly in the side of rose box, and the inside of rose box and purifying box is provided with filtering component and purification component respectively. This desorption catalytic combustion preprocessing device, at the in-process of desorption, start the desorption fan, pass through rose box and purifying box respectively earlier with fresh air current, can carry out the effective filtration to large-scale granule debris and small-size granule debris in the new trend under the effect of thin filter screen frame and coarse filtration net, the new trend gets into in the purified water through the tracheal air outlet head simultaneously, it adsorbs to be purified water, and then make the device carry out the in-process of desorption through the new trend, can carry out effective filtration and purification to the debris in the new trend, the effect of desorption has been improved.

Description

Desorption catalytic combustion preprocessing device

Technical Field

The utility model relates to a desorption A technical field specifically is a desorption catalytic combustion preprocessing device.

Background

The active carbon is prepared by using carbon-containing substances such as wood chips, shells, lignite and the like as raw materials through carbonization and activation, and has powder (the particle size is 10-50 microns) and particle (the particle size is 0.4-2.4 millimeters), the general property is porous, the specific surface area is large, and the main performance parameters are adsorption capacity and adsorption rate.

In the process of treating waste gas, when the adsorption capacity of the activated carbon reaches saturation, the activated carbon needs to be subjected to desorption treatment, and the desorption process is as follows: after the adsorption bed is saturated, the desorption fan can be started to desorb the adsorption bed, namely, fresh air firstly passes through the heat exchanger in the catalytic bed and then enters the preheater, so that the gas temperature is increased to about 300 ℃, then the fresh air passes through the catalyst, organic substances are combusted under the action of the catalyst and are decomposed into carbon dioxide and water, a large amount of heat is emitted simultaneously, the gas temperature is increased, and the high-temperature gas passes through the heat exchanger again and then enters the adsorption bed to be desorbed. However, when the fresh air and the carbon dioxide and water generated in the combustion reaction process of the catalyst are easily mixed into the fresh air and enter the activated carbon adsorption bed to be re-adsorbed by the activated carbon, the desorption efficiency is reduced.

Therefore, a desorption catalytic combustion pretreatment device is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a desorption catalytic combustion preprocessing device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: a desorption catalytic combustion pretreatment device comprises a catalytic combustion chamber, a desorption fan and a purification box arranged between the catalytic combustion chamber and the desorption fan, wherein a connecting box is arranged between the catalytic combustion chamber and the purification box, catalytic combustion heat release equipment is arranged in the catalytic combustion chamber, a filter box is arranged on the side surface of the purification box, the desorption fan is fixedly arranged on the side surface of the filter box, and a filter assembly and a purification assembly are respectively arranged in the filter box and the purification box;

catalytic combustion chamber and connecting box's inside is provided with first heat transfer coil and second heat transfer coil respectively, the inlet end of first heat transfer coil and second heat transfer coil's air-out end intercommunication, and the air-out end of first heat transfer coil extend to catalytic combustion chamber's outside and communicate with activated carbon adsorption bed, the air-out end of desorption fan extends to the inside of rose box, and the lower surface of rose box is provided with the first pipeline that extends to the purifying box inside, the upper surface of purifying box inlays the second pipeline that is equipped with and connects the incasement second heat transfer coil air inlet end intercommunication, the upper surface of catalytic combustion chamber inlays the hot-blast back flow that is equipped with the bottom in the connecting box.

Preferably, the outer surface of the first heat exchange coil is provided with a plurality of symmetrical heat exchange rods, and the heat exchange rods are made of copper.

Preferably, the filtering component comprises a fine filtering screen frame arranged inside the filtering box in a sliding manner, and a coarse filtering screen fixedly arranged on the inner bottom wall of the fine filtering screen frame, and the inner wall of the filtering box is provided with a limiting ring used for limiting the fine filtering screen frame.

Preferably, the filter assembly further comprises a connecting rod fixedly arranged on the upper surface of the coarse filter screen and a sealing mounting plate fixedly arranged on the top end of the connecting rod, the upper surface of the filter box is provided with a sealing opening matched with the sealing mounting plate, and the sealing mounting plate is fixed on the upper surface of the filter box through a bolt.

Preferably, the purification assembly comprises purified water filled in the purification box and an air pipe fixedly arranged in the purification box and communicated with the first pipeline, and a plurality of air outlet heads are arranged on the surface of the air pipe.

Advantageous effects

The utility model provides a desorption catalytic combustion preprocessing device possesses following beneficial effect:

1. this desorption catalytic combustion preprocessing device, at the in-process of desorption, start the desorption fan, earlier respectively through rose box and purifying box with fresh air current, when passing through the rose box, can carry out effective filtration to large-scale granule debris and small-size granule debris in the new trend under the effect of thin filter screen frame and coarse filtration net, gaseous back in getting into the purifying box after filtering, get into through tracheal giving vent to anger head in the purified water, microminiature granule can be adsorbed by the purified water in the air this moment, and then make the device carry out the in-process of desorption through the new trend, can carry out effective filtration and purification to debris in the new trend, the effect of desorption has been improved.

2. This desorption catalytic combustion preprocessing device, when the fresh air gas after filtration purification passes through the connecting box and gets into the first heat transfer coil in the catalytic combustion chamber, the exothermic equipment of catalytic combustion releases a large amount of heats, and carry out the heat transfer with the new trend under the effect of first heat transfer coil, make the new trend heat to high temperature after, carry out desorption treatment to the active carbon in the activated carbon adsorption bed, the effectual gas of having avoided behind the catalytic combustion sneakes into in the new trend and is absorbed by the active carbon again, moreover, the exhaust gas that has the heat in the catalytic combustion chamber can get into in the connecting box through hot-blast back flow, and preheat the new trend before rising temperature under the effect of second heat transfer coil, the efficiency that the new trend heaied up has been improved, and then the effectual efficiency that the device preheats that has improved.

Drawings

FIG. 1 is a schematic view of a front cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the front section structure of the filter box of the present invention;

fig. 3 is a schematic view of a three-dimensional structure of the first heat exchange coil of the present invention.

In the figure: the catalytic combustion device comprises a catalytic combustion chamber 1, a desorption fan 2, a purification box 3, a connecting box 4, a catalytic combustion heat release device 5, a filter box 6, a first heat exchange coil 7, a second heat exchange coil 8, a first pipeline 9, a second pipeline 10, a hot air return pipe 11, a heat exchange rod 12, a thin filter screen frame 13, a thick filter screen 14, a connecting rod 15, a sealing mounting plate 16, purified water 17, an air pipe 18 and an air outlet head 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 all belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a desorption catalytic combustion pretreatment device comprises a catalytic combustion chamber 1, a desorption fan 2 and a purification box 3 arranged between the catalytic combustion chamber 1 and the desorption fan 2, wherein a connecting box 4 is arranged between the catalytic combustion chamber 1 and the purification box 3, catalytic combustion heat release equipment 5 is arranged in the catalytic combustion chamber 1, a filter box 6 is arranged on the side surface of the purification box 3, the desorption fan 2 is fixedly arranged on the side surface of the filter box 6, and a filter assembly and a purification assembly are respectively arranged in the filter box 6 and the purification box 3;

the filter assembly comprises a fine filter screen frame 13 arranged inside the filter box 6 in a sliding mode, and a coarse filter screen 14 fixedly arranged on the inner bottom wall of the fine filter screen frame 13, and the inner wall of the filter box 6 is provided with a limiting ring used for limiting the fine filter screen frame 13.

The filter assembly further comprises a connecting rod 15 fixedly arranged on the upper surface of the coarse filter screen 14 and a sealing mounting plate 16 fixedly arranged on the top end of the connecting rod 15, a sealing opening matched with the sealing mounting plate 16 is formed in the upper surface of the filter box 6, and the sealing mounting plate 16 is fixed on the upper surface of the filter box 6 through bolts.

The purification component comprises purified water 17 filled in the purification box 3 and an air pipe 18 fixedly arranged in the purification box 3 and communicated with the first pipeline 9, and a plurality of air outlets 19 are arranged on the surface of the air pipe 18.

This desorption catalytic combustion preprocessing device, in the in-process of desorption, start desorption fan 2, earlier pass through rose box 6 and purifying box 3 respectively with fresh air current, when passing through in the rose box 6, can carry out effective filtration to large-scale granule debris and small-size granule debris in the new trend under the effect of fine filtration screen frame 13 and coarse filtration screen 14, gas after the filtration gets into back in the purifying box 3, get into in the purified water 17 through the play gas head 19 on the trachea 18, microminiature granule can be adsorbed by purified water 17 in the air this moment, and then make the device carry out the in-process of desorption through the new trend, can carry out effective filtration and purification to the debris in the new trend, the effect of desorption has been improved, and the device is convenient for clear up the debris in the fine filtration screen frame 13.

The catalytic combustion chamber 1 and the connecting box 4 are respectively provided with a first heat exchange coil 7 and a second heat exchange coil 8 inside, the outer surface of the first heat exchange coil 7 is provided with a plurality of symmetrical heat exchange rods 12, and the heat exchange rods 12 are made of copper.

Air inlet end and the air-out end intercommunication of second heat exchange coil 8 of first heat exchange coil 7, and the air-out end of first heat exchange coil 7 extend to catalytic combustion chamber 1 the outside and communicate with active carbon adsorption bed, desorption fan 2's air-out end extends to the inside of rose box 6, and the lower surface of rose box 6 is provided with the first pipeline 9 that extends to the inside of rose box 3, the upper surface of rose box 3 inlays the second pipeline 10 that is equipped with and connects 8 air inlet ends of second heat exchange coil in the case 4 and communicates, the upper surface of catalytic combustion chamber 1 inlays and is equipped with the hot-blast back flow 11 that extends to the bottom in the case 4.

This desorption catalytic combustion preprocessing device, when the fresh air gas after filtration purification passes through in the first heat exchange coil 7 of connecting box 4 entering catalytic combustion chamber 1, catalytic combustion heat release equipment 5 releases a large amount of heats, and carry out the heat transfer with the new trend under first heat exchange coil 7's effect, make the new trend heat to high temperature after, carry out desorption treatment to the active carbon in the active carbon adsorption bed, the effectual gas of having avoided after the catalytic combustion sneaks into the new trend in is absorbed by the active carbon again, moreover, the exhaust heat gas that has in the catalytic combustion chamber 1 can pass through in the hot-blast back flow 11 gets into connecting box 4, and preheat the new trend before rising the temperature under the effect of second heat exchange coil 8, the efficiency that the new trend heaies up has been improved, and then the effectual efficiency that the device preheats has been improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a desorption catalytic combustion preprocessing device, includes catalytic combustion room (1) and desorption fan (2) to and set up purifying box (3) in the middle of catalytic combustion room (1) and desorption fan (2), its characterized in that: a connecting box (4) is arranged between the catalytic combustion chamber (1) and the purifying box (3), catalytic combustion heat-releasing equipment (5) is arranged in the catalytic combustion chamber (1), a filter box (6) is arranged on the side surface of the purifying box (3), the desorption fan (2) is fixedly arranged on the side surface of the filter box (6), and a filter assembly and a purifying assembly are respectively arranged in the filter box (6) and the purifying box (3);

the inside of catalytic combustion room (1) and connecting box (4) is provided with first heat transfer coil (7) and second heat transfer coil (8) respectively, the inlet end of first heat transfer coil (7) and the air-out end intercommunication of second heat transfer coil (8), and the air-out end of first heat transfer coil (7) extends to the outside of catalytic combustion room (1) and communicates with active carbon adsorption bed, the air-out end of desorption fan (2) extends to the inside of rose box (6), and the lower surface of rose box (6) is provided with first pipeline (9) that extend to the inside of rose box (3), the upper surface of rose box (3) inlays and is equipped with second pipeline (10) that communicate with second heat transfer coil (8) air inlet end in connecting box (4), the upper surface of catalytic combustion room (1) inlays and is equipped with hot-blast back flow (11) that extend to the bottom in connecting box (4).

2. The desorption catalytic combustion pretreatment device according to claim 1, characterized in that: the outer surface of the first heat exchange coil (7) is provided with a plurality of symmetrical heat exchange rods (12), and the heat exchange rods (12) are made of copper.

3. The desorption catalytic combustion pretreatment device according to claim 1, wherein: the filtering component comprises a fine filtering screen frame (13) which is arranged inside the filtering box (6) in a sliding mode, and a coarse filtering screen (14) which is fixedly arranged on the inner bottom wall of the fine filtering screen frame (13), and the inner wall of the filtering box (6) is provided with a limiting ring which is used for limiting the fine filtering screen frame (13).

4. The desorption catalytic combustion pretreatment device according to claim 1, characterized in that: the filter assembly further comprises a connecting rod (15) fixedly arranged on the upper surface of the coarse filter screen (14) and a sealing mounting plate (16) fixedly arranged on the top end of the connecting rod (15), a sealing opening matched with the sealing mounting plate (16) is formed in the upper surface of the filter box (6), and the sealing mounting plate (16) is fixed on the upper surface of the filter box (6) through bolts.

5. The desorption catalytic combustion pretreatment device according to claim 1, characterized in that: the purification assembly comprises purified water (17) filled in the purification box (3) and an air pipe (18) fixedly arranged in the purification box (3) and communicated with the first pipeline (9), wherein the surface of the air pipe (18) is provided with a plurality of air outlets (19).