Efficient mixed gas filtering device

Abstract

The utility model relates to the technical field of gas filtration, and belongs to an efficient mixed gas filtering device which comprises a shell, a gas inlet is formed in the side wall of the shell, a gas outlet is formed in the top of the shell, and a primary filtering unit, a secondary filtering unit and an adsorption unit are sequentially arranged in the shell from bottom to top. The top of the barrel is connected with the inner wall of the shell, the air inlet is connected with an air inlet pipeline, one end of the air inlet pipeline extends into the shell and is in through connection with the barrel, the secondary filtering unit is connected to the inner wall of the shell through a connecting frame, and the adsorption unit is connected to the top surface of the connecting frame through a buckle assembly. According to the utility model, through a mode of combining two-stage filtration and one-stage adsorption, mixed gas is comprehensively purified from large particles to fine particles to harmful gas and peculiar smell, and the filtration efficiency is greatly improved. The secondary filtering unit and the adsorption unit are convenient to disassemble, so that maintenance personnel can easily clean and replace all parts, and the maintenance cost and the time cost are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas filter technical field belongs to a kind of mixed gas high-efficiency filter device. BACKGROUND

[0002] In many industrial production processes and air purification field, mixed gas is often filtered to remove impurities, dust, harmful gases and other impurities to obtain pure target gas. The existing mixed gas filter device has some deficiencies, the filtering efficiency is low, and it cannot meet the demand of high-precision gas filtration. The structure of part of the filter device is complex, and the parts such as filter screen and adsorption layer that need to be cleaned and replaced frequently are not easy to disassemble, so the maintenance is difficult. SUMMARY

[0003] In view of the above technical problems, the utility model provides a kind of mixed gas high-efficiency filter device.

[0004] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0005] The application provides a kind of mixed gas high-efficiency filter device, including shell, the shell side wall is equipped with air inlet, the shell top is equipped with air outlet, the shell is sequentially equipped with primary filter unit, secondary filter unit and adsorption unit from bottom to top, the primary filter unit includes cylinder body, the cylinder body top is connected with the inner wall of shell, the air inlet is connected with air inlet pipeline, air inlet pipeline one end extends into the shell and is connected with cylinder body, the secondary filter unit is connected to the inner wall of shell by connecting frame, the adsorption unit is connected to the top surface of connecting frame by buckle assembly.

[0006] As preferred, the air inlet pipeline adopts tangential inlet mode, and is tangent to the cylinder body, the air inlet pipeline is provided with a stepped hole.

[0007] As preferred, the lower end of the cylinder body is provided with a cone, the lower end of the cone is connected with an ash hopper, the lower end of the ash hopper extends out of the bottom of the shell, the lower part of the ash hopper is provided with a valve, the top of the cylinder body is provided with an exhaust port, and the exhaust port is provided with an exhaust pipe.

[0008] As preferred, the cone angle of the cone is between 15° and 30°.

[0009] As preferred, the upper part of the inner wall of the shell is provided with an assembly table, the connecting frame is connected with the assembly table, the inner side of the assembly table and the outer side of the connecting frame are both provided with a sealing groove, and the sealing groove is provided with a sealing ring.

[0010] As preferred, the secondary filter unit further includes a filter screen, and the filter screen is connected to the connecting frame.

[0011] As preferred, the adsorption unit comprises a mounting frame, a gradient mounting table is arranged in the mounting frame, and an activated carbon layer and a molecular sieve are connected to the gradient mounting table, wherein the activated carbon layer is below the molecular sieve.

[0012] As preferred, the buckle assembly comprises a plurality of clamping grooves and a plurality of clamping pieces corresponding to the number of clamping grooves, the clamping grooves are connected to the top of the connecting frame, the clamping pieces are connected to the bottom of the mounting frame, and the clamping pieces are connected to the clamping grooves in a matched mode.

[0013] Compared with the prior art, the utility provides a mixed gas efficient filtering device, which has the following beneficial effects:

[0014] Through the combination of two-stage filtering and one-stage adsorption, the mixed gas is comprehensively purified from large particles to small particles and then to harmful gas and odor, and the filtering efficiency is greatly improved. The components are closely connected and reasonably arranged, effectively reducing the size of the device, making it more suitable for installation and use in different space environments. The secondary filtering unit and the adsorption unit are easy to disassemble, so that maintenance personnel can easily clean and replace the components, reducing maintenance cost and time cost.

[0015] The features and advantages of the utility will be described in detail in conjunction with the embodiments and the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is an external structure diagram of the utility model;

[0017] Figure 2 It is an internal structure diagram of the utility model;

[0018] Figure 3 It is a half sectional view of the utility model;

[0019] Figure 4 It is Figure 3 It is a local enlarged view of A in the middle;

[0020] In the figure: 1, the shell; 2, the air inlet; 3, the air outlet; 4, the primary filtering unit; 5, the secondary filtering unit; 6, the adsorption unit; 7, the buckle assembly; 21 air inlet pipeline; 22, the stepped hole; 41, the cylinder; 42, the cone; 43, the dust hopper; 44, the exhaust port; 45, the exhaust pipe; 46, the valve; 51, the connecting frame; 52, the assembly table; 53, the sealing groove; 54, the sealing ring; 55, the filter screen; 61, the mounting frame; 62, the mounting table; 63, the activated carbon layer; 64, the molecular sieve spring; 71, the clamping groove; 72, the clamping piece. DETAILED DESCRIPTION

[0021] For the purpose, technical scheme and advantages of the utility model to be more clear and obvious, below, through the drawing and example, the utility model is further explained in detail. But it should be understood that the specific example described here is only used to explain the utility model, and is not used to limit the scope of the utility model. In addition, in the following description, the description of the known structure and technology is omitted to avoid unnecessary confusion of the concept of the utility model.

[0022] Referring to Figures 1-2 The application provides a kind of mixed gas high-efficiency filtering device, including shell 1, the side wall of the shell 1 is equipped with air inlet 2, the top of the shell 1 is equipped with air outlet 3, the shell 1 is sequentially equipped with primary filter unit 4, secondary filter unit 5 and adsorption unit 6 from bottom to top in, the primary filter unit 4 includes cylinder body 41, the top of the cylinder body 41 is connected with the inner wall of shell 1, air inlet pipe 21 is connected on air inlet 2, air inlet pipe 21 one end extends into the shell 1 and is connected with cylinder body 41, the secondary filter unit 5 is connected to the inner wall of shell 1 by connecting frame 51, the adsorption unit 6 is connected to the top surface of connecting frame 51 by buckle assembly 7.

[0023] Referring to Figure 2 Specifically, the air inlet pipe 21 adopts tangential inlet mode, and is connected with the cylinder body 41 tangentially. Large-particle pollutants are efficiently removed by airflow rotation inertia, reducing the load of subsequent filter units. The air inlet pipe 21 is provided with a stepped hole 22. The stepped hole 22 adjusts airflow speed, so that the mixed gas forms a certain flow rate when entering, providing good initial conditions for subsequent work.

[0024] Referring to Figure 2 , Figure 3 Specifically, the lower end of the cylinder body 41 is provided with a cone 42, the lower end of the cone 42 is connected with an ash hopper 43, the lower end of the ash hopper 43 extends out of the bottom of the shell 1, the lower part of the ash hopper 43 is provided with a valve 46, the top of the cylinder body 41 is provided with an exhaust port 44, and the exhaust port 44 is provided with an exhaust pipe 45. The cone 42 cooperates with the valve 46 at the bottom of the ash hopper 43 to realize concentrated discharge of ash and slag, facilitate regular cleaning and recycling of particulate matter, and avoid secondary pollution.

[0025] Specifically, the taper angle of the cone 42 is between 15° and 30°. Such an angle can ensure that the particulate impurities smoothly slide to the ash hopper under the combined action of gravity and centrifugal force, and can also prevent excessive turbulence of the gas in the cone part.

[0026] Referring to Figure 3 Specifically, the upper part of the inner wall of the shell 1 is provided with an assembly table 52, the connecting frame 51 is connected with the assembly table 52, the inner side of the assembly table 52 and the outer side of the connecting frame 51 are both provided with a sealing groove 53, and the sealing groove 53 is provided with a sealing ring 54.

[0027] Referring to Figure 3 , specifically, the secondary filtering unit 5 further comprises a filter screen 55 connected in the connecting frame 51.

[0028] Referring to Figure 3 , specifically, the adsorption unit 6 comprises a mounting frame 61, wherein a gradient mounting table 62 is arranged, and an activated carbon layer 63 and a molecular sieve 64 are connected on the gradient mounting table 62, and the activated carbon layer 63 is below the molecular sieve 64.

[0029] Referring to Figure 4 , specifically, the buckle assembly 7 comprises a plurality of clamping grooves 71 and a plurality of clamping pieces 72 corresponding in number to the clamping grooves 71, the clamping grooves 71 are connected on the top of the connecting frame 51, the clamping pieces 72 are connected on the bottom of the mounting frame 61, and the clamping pieces 72 are connected with the clamping grooves 71 in a matched mode.

[0030] Working principle of the utility model:

[0031] The mixed gas passes through the gas inlet pipeline 21 and enters the cylinder 41 along the tangent at a certain speed under the acceleration of the stepped hole 22. Under the action of the centrifugal force, the large-particle impurities are thrown to the inner wall of the cylinder 41 and slide along the wall, and fall into the dust hopper 43 through the cone 42. The gas after the preliminary filtration is discharged from the gas outlet pipeline 45 and enters the secondary filtering unit 5, and the fine particles are intercepted by the filter screen 55. Then, the gas after the two-stage filtration enters the adsorption unit 6, the harmful gas and the peculiar smell substances are adsorbed by the activated carbon layer 63 and the molecular sieve 64, and the purified gas is discharged from the gas outlet 3.

[0032] The dust outlet valve 46 at the bottom of the dust hopper 43 is opened periodically to clean the large-particle impurities, and according to the filtering effect and the use time, the filter screen 55, the activated carbon layer 63 and the molecular sieve 64 are conveniently replaced by disassembling the connecting frame 51 and the assembling table 52 and the clamping piece 72 and the clamping groove 71, so that the filtering device is always in a good working condition.

[0033] The above only describes the preferred embodiments of the utility model, and does not limit the utility model, and any modification, equivalent replacement or improvement made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A hybrid gas high efficiency filtration device, characterized by: The utility model provides a filter device, including shell (1), the side wall of shell (1) is equipped with air inlet (2), the top of shell (1) is equipped with air outlet (3), the inside of shell (1) is equipped with primary filter unit (4), secondary filter unit (5) and adsorption unit (6) from below to above in turn, primary filter unit (4) includes cylinder (41), the top of cylinder (41) is connected with the inner wall of shell (1), air inlet (2) is connected with air inlet pipeline (21), and air inlet pipeline (21) one end extends into shell (1) and is connected with cylinder (41) through -going, secondary filter unit (5) is connected to the inner wall of shell (1) through connecting frame (51), and adsorption unit (6) is connected to the top surface of connecting frame (51) through buckle assembly (7).

2. The device of claim 1, wherein: Air inlet pipeline (21) adopts tangential inlet mode, and is connected with the tangent of cylinder (41), and the ladder hole (22) is formed in air inlet pipeline (21).

3. The device of claim 1, wherein: The lower end of cylinder (41) is equipped with cone (42), the lower end of cone (42) is connected with dust hopper (43), the lower end of dust hopper (43) extends to the bottom of shell (1), and the lower part of dust hopper (43) is equipped with valve (46), and the top of cylinder (41) is equipped with exhaust port (44), and exhaust pipe (45) is arranged in exhaust port (44).

4. The device of claim 3, wherein: The taper angle of cone (42) is between 15 ° and 30 °.

5. The device of claim 1, wherein: The upper part of the inner wall of shell (1) is equipped with assembly table (52), connecting frame (51) is connected with assembly table (52), and the inner side of assembly table (52) and the outer side of connecting frame (51) are both equipped with sealing groove (53), and sealing ring (54) is arranged in sealing groove (53).

6. The device of claim 1, wherein: Secondary filter unit (5) further includes filter screen (55), and filter screen (55) is connected to connecting frame (51).

7. The device of claim 1, wherein: Adsorption unit (6) includes mounting frame (61), and gradient mounting table (62) is arranged in mounting frame (61), and active carbon layer (63) and molecular sieve (64) are connected to gradient mounting table (62), and active carbon layer (63) is located below molecular sieve (64).

8. The device of claim 7, wherein: Buckle assembly (7) includes a plurality of clamping grooves (71) and a plurality of clamping pieces (72) corresponding to the number of clamping grooves (71), clamping grooves (71) are connected to the top of connecting frame (51), clamping pieces (72) are connected to the bottom of mounting frame (61), and clamping pieces (72) are connected with clamping grooves (71).

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