CN211987478U

CN211987478U - Modified molecular sieve exhaust treatment device

Info

Publication number: CN211987478U
Application number: CN202020649464.6U
Authority: CN
Inventors: 王龙伟; 李淑丹; 赵明堂; 吴宏印
Original assignee: Hebi Bowen Kefeng Catalysis Technology Co ltd
Current assignee: Hebi Bowen Kefeng Catalysis Technology Co ltd
Priority date: 2020-04-26
Filing date: 2020-04-26
Publication date: 2020-11-24
Anticipated expiration: 2030-04-26

Abstract

The utility model provides a modified molecular sieve waste gas treatment device, which comprises a pre-filter and a waste gas absorber which are connected in sequence, wherein the waste gas absorber comprises a shell, an outer cylinder and an inner cylinder which are arranged in the shell, a modified molecular sieve carrier is filled between the outer cylinder and the inner cylinder, and an air flow channel in the modified molecular sieve carrier is distributed along the radial direction of the inner cylinder and the outer cylinder; one end of the inner cylinder is connected with the adsorption inlet pipe, the other end of the inner cylinder is closed, and the end parts of the inner cylinder and the outer cylinder are closed; a waste gas outlet channel is formed between the shell and the outer cylinder; the shell is provided with an annular cooling liquid channel. The utility model distributes the airflow channels in the modified molecular sieve carrier along the radial direction of the inner cylinder and the outer cylinder, and the exhaust gas outlet channel is an annular channel, so that the exhaust gas treatment flow area is large, and the treatment capacity is high; the annular cooling liquid channel is arranged to cool the shell of the absorber, and the cooling efficiency of the annular cooling liquid channel is high; particulate matters in the waste gas are filtered and intercepted through the pre-filter, and the purification effect is improved.

Description

Modified molecular sieve exhaust treatment device

Technical Field

The utility model relates to a molecular sieve technical field especially relates to a modified molecular sieve exhaust treatment device.

Background

Molecular sieves are materials containing precise and single microscopic pores, which can be used to adsorb gases or liquids, etc. The modified molecular sieve is modified to achieve the purposes of reducing cost, improving strength, improving toughness, improving flame retardance, prolonging service life and the like. The existing waste gas treatment device for the modified molecular sieve has small flow area, has limited treatment capacity on organic waste gas, and cannot play a role in cooling waste gas with higher temperature.

Disclosure of Invention

To foretell technical problem, the utility model provides a modified molecular sieve exhaust treatment device for modified molecular sieve exhaust treatment device among the solution prior art is used for the higher waste gas of temperature also can not carry out refrigerated problem.

In order to achieve the above purpose, the technical solution of the present invention is realized as follows:

a modified molecular sieve waste gas treatment device comprises a pre-filter and a waste gas absorber which are sequentially connected, wherein the waste gas absorber comprises an absorber shell and a molecular sieve box body arranged in the absorber shell, the molecular sieve box body comprises an outer cylinder and an inner cylinder, a modified molecular sieve carrier is filled between the outer cylinder and the inner cylinder, and an air flow channel in the modified molecular sieve carrier is distributed along the radial direction of the inner cylinder and the outer cylinder; one end of the inner cylinder is connected with an adsorption inlet pipe, the other end of the inner cylinder is closed, and the corresponding end parts of the inner cylinder and the outer cylinder are closed; a waste gas outlet channel is formed between the adsorber shell and the outer cylinder; a gas outlet pipe communicated with the waste gas outlet channel is arranged at one end of the adsorber shell, which is far away from the adsorption inlet pipe; and the absorber shell is provided with an annular cooling liquid channel, and a cooling liquid inlet pipe and a cooling liquid outlet pipe which are connected with the annular cooling liquid channel.

Furthermore, an annular sandwich structure is arranged on the adsorber shell, and an annular cooling liquid channel is formed between the annular sandwich structures.

Furthermore, both ends of the molecular sieve box body are provided with end cooling liquid layers, and the two end cooling liquid layers are connected through a connecting pipe.

Further, the end coolant layer is in communication with the annular coolant passage.

Further, the pre-filter comprises a filter shell, a first filter layer and a second filter layer, wherein the first filter layer and the second filter layer are arranged in the filter shell; the one end that the molecular sieve box was kept away from to the absorption inlet tube is connected with leading filter one end, and the other end of leading filter is connected with the waste gas intake pipe.

Further, the first filter layer is made of glass fiber filter cotton.

Further, the second filter layer is a bamboo charcoal fiber filter screen.

The utility model has the advantages that: the utility model distributes the airflow channels in the modified molecular sieve carrier along the radial direction of the inner cylinder and the outer cylinder, and the exhaust gas outlet channel is an annular channel with a U-shaped section, so that the exhaust gas treatment flow area of the modified molecular sieve carrier is large, the adsorption treatment is more uniform and the treatment capacity of the exhaust gas is high; the annular cooling liquid channel is arranged on the adsorber shell to cool the adsorber shell, so that the problem that the temperature of the adsorber shell is high due to high temperature of waste gas is avoided, and the cooling efficiency of the annular cooling liquid channel is high; the particulate matter in the waste gas is filtered and intercepted through the pre-filter, so that the particulate matter is prevented from entering the adsorption layer to block the micropores of the modified molecular sieve, and the purification effect is improved.

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

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 any creative effort belong to the protection scope of the present invention.

As shown in fig. 1, the utility model relates to a modified molecular sieve waste gas treatment device, including leading filter 1 and the waste gas adsorber that connects gradually, the waste gas adsorber includes adsorber casing 2 and the molecular sieve box 3 of locating in adsorber casing 2, molecular sieve box 3 includes urceolus 31 and inner tube 32, fills modified molecular sieve carrier between urceolus 31 and the inner tube 32, the air current passageway in the modified molecular sieve carrier is along the radial distribution of inner tube 32 and urceolus 31, is equipped with the communicating aperture with every air current passageway on urceolus 31 and the inner tube 32; the right end of the inner cylinder 32 is connected with an adsorption inlet pipe 4, and waste gas enters the inner cylinder 32 from the adsorption inlet pipe 4 and then is adsorbed and purified by the modified molecular sieve carrier in a radial diffusion manner, so that the waste gas treatment flow area of the modified molecular sieve carrier is large, and the waste gas treatment capacity is high; the left end of the inner cylinder 32 is closed, and the left ends of the inner cylinder 32 and the outer cylinder 31 are also closed; a waste gas outlet channel is formed between the adsorber shell 2 and the outer cylinder 31, and because the right end of the molecular sieve box 3 and the right end of the adsorber shell 2 are closed and a gap is formed between the left end of the molecular sieve box 3 and the left end of the adsorber shell 2, the waste gas outlet channel is an annular channel with a U-shaped section, so that waste gas can be uniformly purified by the modified molecular sieve carrier, and then the purified waste gas uniformly enters the waste gas outlet channel; a gas outlet pipe 5 communicated with the waste gas outlet channel is arranged at one end of the adsorber shell 2, which is far away from the adsorption inlet pipe, namely the left end of the waste gas outlet channel; be equipped with annular coolant liquid passageway 21 on adsorber casing 2, and be equipped with coolant liquid import pipe 22 and coolant liquid outlet pipe 23 of being connected with annular coolant liquid passageway 21 on adsorber casing 2, lower the temperature with adsorber casing 2 through annular coolant liquid passageway, avoid because the exhaust gas temperature is higher causes adsorber casing 2 to wear higher warm, this kind of cooling method, cooling efficiency is high moreover.

Furthermore, the adsorber shell 2 is provided with an annular sandwich structure, and an annular cooling liquid channel 21 is formed between the annular sandwich structures. The annular cooling liquid channel 21 is made more comprehensive and efficient in cooling the adsorber housing by the annular sandwich structure.

Further, end coolant layers 33 are provided at both ends of the molecular sieve box 3, and the two end coolant layers 33 are connected by a connection pipe 34. The connecting pipe 34 is arranged on the outer wall of the outer cylinder 31 but has a gap with the outer wall so as not to obstruct the airflow passage of the modified molecular sieve. The two ends of the connecting pipe 34 are connected with the two end cooling liquid layers 33 so that the cooling liquid can flow into the left end of the molecular sieve box 3.

Further, the end cooling liquid layer 33 is communicated with the annular cooling liquid channel 21, so that the same cooling liquid inlet pipe 22, the same cooling liquid outlet pipe 23 and cooling equipment can be utilized, and energy is saved. The right end coolant layer 33 is interrupted, one of the interrupted two portions is communicated with the left end coolant layer 33 through one connecting pipe 34, the other one is communicated with the left end coolant layer 33 through the other connecting pipe 34, and both the two portions are communicated with the annular coolant passage 21, so that the coolant in the annular coolant passage 21 can flow from the right end coolant layer 33 to the left end coolant layer 33 and then flow to the right end coolant layer 33 and then flow out from the coolant outlet pipe 23 of the annular coolant passage 21, thereby playing a role in cooling all the coolant.

Further, the prefilter 1 includes a filter housing 11, and a first filter layer 12 and a second filter layer 13 provided in the filter housing 11; the one end that molecular sieve box 3 was kept away from to absorption inlet tube 4 is connected with leading filter 1 one end, and the other end of leading filter 1 is connected with waste gas intake pipe 6. Waste gas gets into after leading filter 1 from waste gas intake pipe 6 filters, blocks the particulate matter in the waste gas, avoids the particulate matter to get into the adsorbed layer and blocks up the molecular sieve micropore, influences purifying effect.

Further, the first filter layer 12 is a glass fiber filter cotton. The glass fiber filter cotton can filter tiny particles in the exhaust gas.

Further, the second filter layer 13 is a bamboo charcoal fiber filter screen. The bamboo charcoal fiber filter screen can play a role in dehumidifying waste gas and adsorbing harmful gas.

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 modified molecular sieve waste gas treatment device is characterized by comprising a pre-filter (1) and a waste gas adsorber which are sequentially connected, wherein the waste gas adsorber comprises an adsorber shell (2) and a molecular sieve box body (3) arranged in the adsorber shell (2), the molecular sieve box body (3) comprises an outer cylinder (31) and an inner cylinder (32), a modified molecular sieve carrier is filled between the outer cylinder (31) and the inner cylinder (32), and airflow channels in the modified molecular sieve carrier are distributed along the radial directions of the inner cylinder (32) and the outer cylinder (31); one end of the inner cylinder (32) is connected with an adsorption inlet pipe (4), the other end of the inner cylinder (32) is closed, and the corresponding ends of the inner cylinder (32) and the outer cylinder (31) are closed; an exhaust gas outlet channel is formed between the adsorber shell (2) and the outer cylinder (31); a gas outlet pipe (5) communicated with the waste gas outlet channel is arranged at one end of the adsorber shell (2) far away from the adsorption inlet pipe; the adsorber is characterized in that an annular cooling liquid channel (21) is arranged on the adsorber shell (2), and a cooling liquid inlet pipe (22) and a cooling liquid outlet pipe (23) which are connected with the annular cooling liquid channel (21) are arranged on the adsorber shell (2).

2. The modified molecular sieve exhaust gas treatment device according to claim 1, wherein the adsorber housing (2) is provided with an annular sandwich structure, and an annular cooling liquid channel (21) is formed between the annular sandwich structures.

3. The modified molecular sieve exhaust gas treatment device according to claim 2, wherein the molecular sieve box (3) is provided with end coolant layers (33) at both ends, and the two end coolant layers (33) are connected by a connecting pipe (34).

4. The modified molecular sieve off-gas treatment device of claim 3, wherein the end coolant layer (33) is in communication with an annular coolant channel (21).

5. The modified molecular sieve exhaust gas treatment device according to any one of claims 1 to 4, wherein the pre-filter (1) comprises a filter housing (11) and a first filter layer (12) and a second filter layer (13) provided in the filter housing (11); one end of the adsorption inlet pipe (4) far away from the molecular sieve box body (3) is connected with one end of the pre-filter (1), and the other end of the pre-filter (1) is connected with a waste gas inlet pipe (6).

6. The modified molecular sieve exhaust gas treatment device of claim 5, wherein the first filter layer (12) is a glass fiber filter cotton.

7. The modified molecular sieve exhaust gas treatment device of claim 6, wherein the second filter layer (13) is a bamboo charcoal fiber filter screen.