MTO reaction gas filtering device

Abstract

The utility model discloses an MTO reaction gas filtering device which comprises a filtering cylinder, the upper surface of the filtering cylinder is fixedly communicated with a flow guide cover, a filter element is fixedly installed on the inner top wall of the filtering cylinder, an annular pipe is arranged in the filter element, the outer surface of the annular pipe is fixedly communicated with a spraying pipe, and the spraying pipe is fixedly communicated with a water inlet pipe. The side faces, away from each other, of the spray pipes fixedly communicate with a set of back-blowing spray heads, the outer surface of the filter cartridge is fixedly connected with a protective cover, an air pump is fixedly installed on the inner bottom wall of the protective cover, and the output end of the air pump fixedly communicates with an exhaust pipe. The end, away from the air pump, of the exhaust pipe penetrates through the flow guide cover and fixedly communicates with the outer surface of the annular pipe. According to the utility model, catalyst particles can be intercepted on the outer surface of the filter element through the filter element arranged in the filter cartridge and by utilizing the screening effect of the filter element, the catalyst content of reaction gas entering a water system is reduced, and the problem that the catalyst in the water system is mixed in and blocks equipment is solved through a solid removal facility added at the front section of the water inlet system.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of reaction gas filters, especially a MTO reaction gas filter device. BACKGROUND

[0002] A MTO device reactor is equipped with a first and second cyclone separator to recover a large amount of fluidized catalyst, and a part of the catalyst with small particle size is separated and recovered by a third and fourth cyclone separator of the reactor, but catalyst fine powder with a particle size less than 5 microns cannot be effectively recovered by the cyclone separator, and enters the quenching and water washing tower for washing, part of the quenching water returns to the quenching tower after removing solids in the boiling bed, and is accumulated and deposited on the equipment wall, tower tray and other parts for a long time, resulting in reduced heat exchange efficiency of the heat exchange equipment, tower tray blockage and other phenomena, leading to increased equipment maintenance cost, poor system operation stability and affecting long-period stable operation of the device. SUMMARY

[0003] The utility model discloses a MTO reaction gas filter device to solve the problems in the background art.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] A MTO reaction gas filter device, comprising a filter cartridge, the upper surface of the filter cartridge is fixedly connected with a flow guide cover, the inner top wall of the filter cartridge is fixedly installed with a filter core, the inside of the filter core is provided with an annular pipe, the outer surface of the annular pipe is fixedly connected with a spray pipe, each spray pipe is fixedly connected with a group of backflushing nozzles on the side away from each other, the outer surface of the filter cartridge is fixedly connected with a protective cover, the inner bottom wall of the protective cover is fixedly installed with an air pump, the output end of the air pump is fixedly connected with an exhaust pipe, the end of the exhaust pipe away from the air pump penetrates through the flow guide cover and is fixedly connected with the outer surface of the annular pipe, the outer surface of the exhaust pipe is fixedly connected with an electromagnetic valve and a regulating valve respectively, and the outer surface of the filter cartridge is fixedly installed with a controller.

[0006] In further embodiments, the inner ring of the filter cartridge is fixedly connected with two groups of fixed blocks, and the side of each group of fixed blocks close to each other is fixedly connected with the outer surface of the annular pipe.

[0007] In further embodiments, the outer surface of the filter cartridge is fixedly connected with a reinforcing plate, and the upper surface of the reinforcing plate is fixedly connected with the bottom surface of the protective cover.

[0008] In further embodiments, the outer surface of the filter cartridge is fixedly connected with two mounting plates, and the bottom surface of each of the two mounting plates is provided with two mounting holes.

[0009] In further embodiments, the outer surface of the filter cartridge is fixedly communicated with an air inlet pipe, and the bottom end of the air inlet pipe is fixedly communicated with an air inlet flange.

[0010] In further embodiments, the top end of the flow guide cover is fixedly communicated with an air outlet pipe, and the top end of the air outlet pipe is fixedly communicated with an air outlet flange.

[0011] In further embodiments, the outer surface of the protective cover is provided with a ventilation hole, and the outer portion of the protective cover is provided with a filter screen plate, and the outer surface of the filter screen plate is matched with the inner wall of the ventilation hole.

[0012] In further embodiments, the bottom end of the filter cartridge is fixedly communicated with a cleaning pipe, and the outer surface of the cleaning pipe is fixedly communicated with a control valve.

[0013] Compared with the prior art, the MTO reaction gas filtering device has the following beneficial effects:

[0014] The filter cartridge is arranged in the filter cartridge, the catalyst particles are intercepted on the outer surface of the filter cartridge by the screening effect of the filter cartridge, the catalyst content of the reaction gas entering the water system is reduced, the solid removal device is arranged in the front section of the water system, the problem of the water system catalyst mixing and blocking the equipment is solved, the inspection and maintenance work of the cold exchange equipment is reduced, the high-pressure gas can be transported through the arrangement of the air pump, the air outlet pipe, the annular pipe and the spray pipe, the filter cartridge inside can be blown by the plurality of back-blowing nozzles, the dust on the surface of the filter cartridge can be slid off, and the continuity of the filter cartridge during filtering can be maintained. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a perspective structural schematic view of a front view of the MTO reaction gas filtering device;

[0016] Figure 2 It is a sectional view of a side view of the MTO reaction gas filtering device;

[0017] Figure 3 It is a sectional view of a front view of the MTO reaction gas filtering device;

[0018] Figure 4 It is a sectional view of a bottom view of the MTO reaction gas filtering device;

[0019] Figure 5 It is a perspective structural schematic view of a front view of the air outlet pipe of the MTO reaction gas filtering device.

[0020] In the figure: 1, filter cartridge; 2, flow deflector; 3, filter core; 4, annular pipe; 5, spray pipe; 6, back flushing nozzle; 7, protective cover; 8, air pump; 9, exhaust pipe; 10, fixing block; 11, regulating valve; 12, electromagnetic valve; 13, controller; 14, filter screen; 15, vent hole; 16, mounting support plate; 17, mounting hole; 18, air inlet pipe; 19, air inlet flange; 20, air outlet pipe; 21, air outlet flange; 22, cleaning pipe; 23, control valve; 24, reinforcing plate. DETAILED DESCRIPTION

[0021] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" and the like are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can be explicitly or implicitly included one or more. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0022] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0023] The technical solutions in the embodiments of the present application will be described clearly and completely in the following with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary skilled in the art without creative labor are within the scope of protection of the present application.

[0024] Please refer to Figures 1-5The utility model discloses a kind of MTO reaction gas filtering devices, including filter cartridge 1, the upper surface of filter cartridge 1 is fixedly connected with flow guide cover 2, the inner top wall of filter cartridge 1 is fixedly installed with filter core 3, the inside of filter core 3 is equipped with annular pipe 4, the outer surface of annular pipe 4 is fixedly connected with spray pipe 5, every spray pipe 5 mutually far side is fixedly connected with a group of backflushing nozzle 6, the outer surface of filter cartridge 1 is fixedly connected with protective cover 7, the inner bottom wall of protective cover 7 is fixedly installed with air pump 8, the output of air pump 8 is fixedly connected with exhaust pipe 9, one end of exhaust pipe 9 away from air pump 8 is through flow guide cover 2 and is fixedly connected with the outer surface of annular pipe 4, the outer surface of exhaust pipe 9 is fixedly connected with electromagnetic valve 12 and regulating valve 11 respectively, the outer surface of filter cartridge 1 is fixedly installed with controller 13, and regulating valve 11 can adjust the flow and pressure of air flow, according to different dust removal needs, the intensity of backflushing air flow is accurately adjusted, electromagnetic valve 12 is often used with controller 13, realizes the backflushing control of automation, and backflushing air flow is automatically opened or closed according to the time interval set.

[0025] In further embodiments, the inner ring of filter cartridge 1 is fixedly connected with two groups of fixed blocks 10, the side surface of the two groups of fixed blocks 10 close to each other is fixedly connected with the outer surface of annular pipe 4, the outer surface of filter cartridge 1 is fixedly connected with reinforcing plate 24, the upper surface of reinforcing plate 24 is fixedly connected with the bottom surface of protective cover 7, the outer surface of filter cartridge 1 is fixedly connected with two installation support plates 16, the bottom surface of two installation support plates 16 is provided with two mounting holes 17, through the setting of fixed block 10, the function of fixing annular pipe 4 is played, by the setting of reinforcing plate 24, the support of protective cover 7 can be deepened, by the setting of installation support plate 16 and mounting hole 17, the installation support of filter cartridge 1 is facilitated.

[0026] In further embodiments, the outer surface of filter cartridge 1 is fixedly connected with air inlet pipe 18, the bottom end of air inlet pipe 18 is fixedly connected with air inlet flange 19, the top end of flow guide cover 2 is fixedly connected with air outlet pipe 20, the top end of air outlet pipe 20 is fixedly connected with exhaust flange 21, air inlet pipe 18 and air inlet flange 19 can be connected and installed with reaction gas four spin outlet, air outlet pipe 20 and exhaust flange 21 can be connected and installed with quench tower.

[0027] In further embodiments, the outer surface of protective cover 7 is provided with ventilation hole 15, the outside of protective cover 7 is provided with filter screen plate 14, the outer surface of filter screen plate 14 is matched with the inner wall of ventilation hole 15, the bottom end of filter cartridge 1 is fixedly connected with cleaning pipe 22, the outer surface of cleaning pipe 22 is fixedly connected with control valve 23, through the setting of ventilation hole 15 and filter screen plate 14, the ventilation demand inside protective cover 7 is guaranteed, by the setting of cleaning pipe 22 and control valve 23, the bottom of filter cartridge 1 can be opened and cleaned.

[0028] The working principle of the utility model is: firstly, the air inlet flange 19 is connected with the reaction gas four spin outlet, then the reaction gas filtering device can be added, then the reaction gas flows to the inside of the filter cartridge 1, through the screening effect of the filter core 3, the catalyst particles are intercepted on the outer surface of the filter core 3, and the filtered reaction gas is discharged from the upper portion of the flow guide cover 2 and the air outlet pipe 20;

[0029] During the filtering process, when the filter cake on the surface of the filter core 3 reaches a certain thickness or reaches the set time, the controller 13 starts the air pump 8 to work, and opens the electromagnetic valve 12, high-pressure gas is generated by the air pump 8, can be transported through the exhaust pipe 9, the annular pipe 4 and the nozzle 5, and finally a plurality of back-blowing nozzles 6 are sprayed to form a uniform back-blowing airflow field, which can blow the inside of the filter core 3, which will make the dust on the surface of the filter core 3 slide off, then the continuity of the filtering is maintained, then the reaction gas is filtered through the reaction gas filtering device and enters the water system, effectively reducing the solid content of the water system.

[0030] For those skilled in the art, it is obvious that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0031] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be properly combined to form other embodiments that those skilled in the art can understand.

Claims

1. An MTO reaction gas filtration device, characterized in that: The utility model provides a filter cartridge, the upper surface of including filter cartridge (1) is fixedly connected with fairing (2), the inner top wall of filter cartridge (1) is fixedly installed with filter core (3), the inside of filter core (3) is equipped with annular pipe (4), the outer surface of annular pipe (4) is fixedly connected with spray pipe (5), every spray pipe (5) is fixedly connected with a group of blowback nozzles (6) on the side away from each other, the outer surface of filter cartridge (1) is fixedly connected with protective cover (7), the inner bottom wall of protective cover (7) is fixedly installed with air pump (8), the output of air pump (8) is fixedly connected with exhaust pipe (9), the one end away from air pump (8) of exhaust pipe (9) penetrates fairing (2) and is fixedly connected with the outer surface of annular pipe (4), the outer surface of exhaust pipe (9) is fixedly connected with electromagnetic valve (12) and regulating valve (11) respectively, the outer surface of filter cartridge (1) is fixedly installed with controller (13).

2. The MTO reaction gas filtering device according to claim 1, characterized in that: The inner ring of filter cartridge (1) is fixedly connected with two groups of fixed blocks (10), the side of two groups of fixed blocks (10) away from each other is fixedly connected with the outer surface of annular pipe (4).

3. The MTO reaction gas filtering device according to claim 1, characterized in that: The outer surface of filter cartridge (1) is fixedly connected with reinforcing plate (24), the upper surface of reinforcing plate (24) is fixedly connected with the bottom surface of protective cover (7).

4. The MTO reaction gas filtering device according to claim 1, characterized in that: The outer surface of filter cartridge (1) is fixedly connected with two installation branch plates (16), and the bottom surface of two installation branch plates (16) is provided with two mounting holes (17).

5. The MTO reaction gas filtering device according to claim 1, characterized in that: The outer surface of filter cartridge (1) is fixedly connected with air inlet pipe (18), and the bottom end of air inlet pipe (18) is fixedly connected with air inlet flange (19).

6. The MTO reaction gas filtering device according to claim 1, characterized in that: The top end of fairing (2) is fixedly connected with air outlet pipe (20), and the top end of air outlet pipe (20) is fixedly connected with exhaust flange (21).

7. The MTO reaction gas filtering device according to claim 1, characterized in that: The outer surface of protective cover (7) is provided with air vent (15), and the outside of protective cover (7) is provided with filter screen (14), and the outer surface of filter screen (14) is matched with the inner wall of air vent (15).

8. The MTO reaction gas filtering device according to claim 1, characterized in that: The bottom end of filter cartridge (1) is fixedly connected with cleaning pipe (22), and the outer surface of cleaning pipe (22) is fixedly connected with control valve (23).

Images