Integrated molecular sieve adsorber

Abstract

The utility model discloses an integrated molecular sieve adsorber. The integrated molecular sieve adsorber comprises a tank body, a molecular sieve is arranged in the tank body, a detachable sealing plate is mounted on the outer side surface of the tank body, a plurality of electric heating pipes are mounted on the detachable sealing plate and are uniformly distributed in the tank body, and a flow expander is arranged at the lower end of the inner side surface of the tank body and is arranged below the molecular sieve; according to the integrated molecular sieve adsorber, the loss of heat on a transmission pipeline can be reduced, the heater is directly arranged in the molecular sieve adsorber, and hot waste nitrogen directly enters the molecular sieve adsorber without passing through the pipeline during gas regeneration; the detachable sealing plate is opened to conveniently clean the electric heating pipe and replace the molecular sieve, the electric heating pipe heats waste nitrogen, so that the temperature of the waste nitrogen can be quickly increased, gas is blown to the flow-expanding fan blades after being expanded by the conical flow-expanding cover, and the flow-expanding fan blades rotate at a high speed to disturb gas flow, so that the gas can be fully contacted with the molecular sieve; the utilization rate of the molecular sieve is improved.

Description

Technical Field

[0001] The present application relates to the technical field of air separation purification systems, and specifically to an integrated molecular sieve adsorber. Background Art

[0002] In the air separation purification system, the heater and molecular sieve of the traditional purification equipment are separated. The polluted nitrogen is heated to 449K by the heater before entering the molecular sieve adsorber. Since the hot gas has to pass through a section of pipeline before entering the molecular sieve adsorber, the temperature of the polluted nitrogen after heating will be 30K lower than the temperature entering the molecular sieve adsorber. In addition, the heating is not continuous, and the pipeline also alternates between hot and cold, which is subject to alternating stress.

[0003] Meanwhile, when the existing molecular sieve adsorber is in use, the contact surface between the polluted nitrogen and the molecular sieve is small, which affects the adsorption efficiency and leads to a low utilization rate of the molecular sieve. Summary of the invention

[0004] The present application provides an integrated molecular sieve adsorber, which can reduce heat loss in the transmission pipeline. The heater is directly installed inside the molecular sieve adsorber. During gas regeneration, the hot polluted nitrogen gas directly enters the molecular sieve adsorber without passing through the pipeline, which can effectively solve the problems in the background technology.

[0005] To achieve the above-mentioned objectives, the present application provides the following technical solutions: an integrated molecular sieve adsorber, comprising a tank body; a molecular sieve is arranged inside the tank body, a removable sealing plate is installed on the outer side of the tank body, a plurality of electric heating tubes are installed on the removable sealing plate, and the plurality of electric heating tubes are evenly distributed inside the tank body.

[0006] A diffuser is arranged at the lower end of the inner side surface of the tank body, and the diffuser is arranged below the molecular sieve.

[0007] The diffuser includes an annular outer shell, which is installed inside the tank body. A conical diffuser is provided at the lower end of the inner side of the annular outer shell, and an isolation net is provided on the upper end surface of the annular outer shell. A main shaft is rotatably connected to the middle of the lower surface of the isolation net, and diffuser blades are provided on the outer side of the main shaft.

[0008] Preferably, a supporting leg is provided at the lower end of the outer side surface of the tank body.

[0009] Preferably, a sampling tube is installed on the outer side of the tank body, and a sealing end cover is provided on the sampling tube.

[0010] Preferably, a reserved interface 2 and an air inlet pipe are installed at the lower end of the outer side surface of the tank body, and a sealing cover plate is installed on the reserved interface 2.

[0011] Preferably, an air collecting hood is installed on the upper end of the outer side surface of the tank body, and a reserved interface and an air outlet pipe are installed on the outer side surface of the air collecting hood.

[0012] Compared with the prior art, the beneficial effects of this application are:

[0013] 1. This integrated molecular sieve adsorber can reduce the heat loss in the transmission pipeline. The heater is directly installed inside the molecular sieve adsorber. During gas regeneration, the hot polluted nitrogen gas directly enters the molecular sieve adsorber without passing through the pipeline;

[0014] 2. Opening the removable sealing plate makes it easy to clean the electric heating tube and replace the molecular sieve. The electric heating tube heats the contaminated nitrogen, allowing the contaminated nitrogen to heat up quickly. The gas is expanded through the conical diffuser cover and blown onto the diffuser blades. The diffuser blades rotate at high speed to disturb the airflow, allowing the gas to fully contact with the molecular sieve, thereby improving the utilization rate of the molecular sieve. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of this application;

[0016] Figure 2 It is a structural diagram of the isolation network;

[0017] Figure 3 A cross-sectional view of the diffuser.

[0018] In the figure: 1 reserved interface 1, 2 air outlet pipe, 3 reserved interface 2, 4 sampling tube, 5 diffuser, 51 isolation net, 52 main shaft, 53 diffuser blade, 54 conical diffuser cover, 55 annular outer shell, 6 air inlet pipe, 7 support leg, 8 detachable sealing plate, 9 electric heating tube, 10 tank body, 11 molecular sieve, 12 gas collecting hood. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0020] In the description of this application, when a feature is referred to as being "set", "fixed" or "connected" to another feature, it may be directly set, fixed or connected to the other feature, or indirectly set, fixed or connected to the other feature.

[0021] See also Figure 1-3 The present application provides the following technical solution: an integrated molecular sieve adsorber, comprising a tank body 10; a molecular sieve 11 is arranged inside the tank body 10, a removable sealing plate 8 is installed on the outer side of the tank body 10, and a plurality of electric heating tubes 9 are installed on the removable sealing plate 8, and the plurality of electric heating tubes 9 are evenly distributed inside the tank body 10.

[0022] Specifically, opening the detachable sealing plate 8 can conveniently clean the electric heating tube 9 and replace the molecular sieve 11. The electric heating tube 9 heats the contaminated nitrogen, so that the contaminated nitrogen can be heated quickly.

[0023] A diffuser 5 is provided at the lower end of the inner side surface of the tank body 10 , and the diffuser 5 is arranged below the molecular sieve 11 .

[0024] Specifically, the diffuser 5 can allow the contaminated nitrogen to fully contact with the molecular sieve 11 .

[0025] The diffuser 5 includes an annular outer shell 55, which is installed inside the tank body 10. A conical diffuser 54 is provided at the lower end of the inner side surface of the annular outer shell 55, and an isolation net 51 is provided on the upper end surface of the annular outer shell 55. A main shaft 52 is rotatably connected to the middle of the lower surface of the isolation net 51, and a diffuser blade 53 is provided on the outer side surface of the main shaft 52.

[0026] Specifically, the gas is expanded by the conical diffuser 54 and then blown onto the diffuser blades 53 . The diffuser blades 53 rotate at high speed to disturb the airflow, so that the gas can fully contact the molecular sieve 11 , thereby improving the utilization rate of the molecular sieve 11 .

[0027] Furthermore, a support leg 7 is provided at the lower end of the outer side surface of the tank body 10 .

[0028] Specifically, the supporting legs 7 are used to fix the tank body 10 .

[0029] Furthermore, a sampling tube 4 is installed on the outer side of the tank body 10 , and a sealing end cover is provided on the sampling tube 4 .

[0030] Specifically, the molecular sieve 11 can be sampled and tested through the sampling tube 4 , so as to understand the service life of the molecular sieve 11 .

[0031] Furthermore, a reserved interface 2 3 and an air inlet pipe 6 are installed at the lower end of the outer side surface of the tank body 10 , and a sealing cover plate is installed on the reserved interface 2 3 .

[0032] Specifically, the reserved interface 2 3 is provided for exhausting gas in emergency situations.

[0033] Furthermore, an air collecting hood 12 is installed on the upper end of the outer side surface of the tank body 10, and a reserved interface 1 and an air outlet pipe 2 are installed on the outer side surface of the air collecting hood 12.

[0034] Specifically, the gas collecting hood 12 collects the purified gas and discharges it through the gas outlet pipe 2 .

[0035] When in use: the gas enters the conical diffuser 54 through the air inlet pipe 6, and then the gas is expanded through the conical diffuser 54 and blown onto the diffuser blades 53. The diffuser blades 53 rotate at high speed to disturb the airflow, so that the gas can fully contact with the molecular sieve 11, thereby improving the utilization rate of the molecular sieve 11.

[0036] The electric heating tube 9 continuously heats and keeps the gas entering the molecular sieve 11 warm, thereby further improving the working efficiency of the molecular sieve.

[0037] Although the embodiments of the present application have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present application, and that the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. Integrated molecular sieve adsorber, characterized by: It comprises a tank body (10); a molecular sieve (11) is provided inside the tank body (10); a detachable sealing plate (8) is installed on the outer side of the tank body (10); a plurality of electric heating tubes (9) are installed on the detachable sealing plate (8); and the plurality of electric heating tubes (9) are evenly distributed inside the tank body (10); A diffuser (5) is provided at the lower end of the inner side surface of the tank body (10), and the diffuser (5) is arranged below the molecular sieve (11); The diffuser (5) comprises an annular outer shell (55), the annular outer shell (55) being mounted inside the tank body (10), a conical diffuser cover (54) being provided at the lower end of the inner side surface of the annular outer shell (55), an isolation net (51) being provided at the upper end surface of the annular outer shell (55), a main shaft (52) being rotatably connected to the middle of the lower surface of the isolation net (51), and diffuser blades (53) being provided at the outer side surface of the main shaft (52).

2. The integrated molecular sieve adsorber according to claim 1, characterized in that: A supporting leg (7) is provided at the lower end of the outer side surface of the tank body (10).

3. The integrated molecular sieve adsorber according to claim 1, characterized in that: A sampling tube (4) is installed on the outer side of the tank body (10), and a sealing end cover is provided on the sampling tube (4).

4. The integrated molecular sieve adsorber according to claim 1, characterized in that: A second reserved interface (3) and an air inlet pipe (6) are installed at the lower end of the outer side surface of the tank body (10), and a sealing cover plate is installed on the second reserved interface (3).

5. The integrated molecular sieve adsorber according to claim 1, characterized in that: An air collecting hood (12) is installed at the upper end of the outer side surface of the tank body (10), and a reserved interface 1 (1) and an air outlet pipe (2) are installed on the outer side surface of the air collecting hood (12).

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