Air purification device integrated with multi-stage filtration and granular activated carbon fixed bed

Abstract

The utility model discloses an air purification device integrating multi-stage filtration and a granular active carbon fixed bed, which comprises a box body, an air inlet and an air outlet, wherein the air inlet and the air outlet are formed in two sides of the box body; a primary filtering structure, a high-efficiency filtering structure and an activated carbon fixed bed are sequentially arranged in the box body in the direction from the air inlet to the air outlet, and a centrifugal fan is arranged at the position, close to the air outlet, in the box body; the centrifugal fan is used for pushing gas to enter from the air inlet and sequentially pass through the primary filtering structure, the high-efficiency filtering structure and the activated carbon fixed bed to realize air purification, and the gas is discharged from the air outlet. According to the device, the primary filtering structure, the efficient filtering structure, the activated carbon fixed bed and the centrifugal fan are integrated into the box body, so that the compactness and the overall efficiency of the device are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to air purification technical field especially, it is a kind of air purification device of integrated multistage filtration and granular activated carbon fixed bed. BACKGROUND

[0002] In some places where various harmful gases and peculiar smell are generated, air purification device is usually arranged to purify air in the place to avoid that the environment in the place affects human health. The air purification system on current market usually installs dry filter device, activated carbon adsorption and fan separately, and the overall structure of air purification device needs to occupy larger space due to separate installation, and noise value is large due to exposed fan. SUMMARY

[0003] The utility model discloses a kind of air purification device of integrated multistage filtration and granular activated carbon fixed bed, which is to overcome the deficiencies in prior art.

[0004] The utility model discloses a kind of air purification device of integrated multistage filtration and granular activated carbon fixed bed, which is to overcome the deficiencies in prior art.

[0005] A kind of air purification device of integrated multistage filtration and granular activated carbon fixed bed, comprising: box and the air inlet and air outlet of being set to the both sides of the box, the box is sequentially provided with primary filter structure, high-efficiency filter structure and activated carbon fixed bed from the air inlet to the air outlet direction in the inside, the position of the centrifugal fan in the box is close to the air outlet, the centrifugal fan is used to push gas from the air inlet enters sequentially through the primary filter structure, high-efficiency filter structure and activated carbon fixed bed realizes air purification, and gas is discharged from the air outlet.

[0006] In one embodiment, the primary filter structure includes a fixed frame and a folded primary filter cotton fixed to the fixed frame, the fixed frame is fixed to the position of the box inside close to the air inlet, the folded primary filter cotton is folded and fixed to the fixed frame, and the folded primary filter cotton is used to capture larger particulate matter and dust in the gas.

[0007] In one embodiment, the high-efficiency filter structure is located on one side of the primary filter structure, and the high-efficiency filter structure includes a fixed frame and a high-efficiency filter bag fixed to the fixed frame, and the high-efficiency filter bag is used to further filter fine particulate matter and suspended matter in the gas.

[0008] In one of the embodiments, the fixed bed of activated carbon is located at one side of the high-efficiency filter structure, the fixed bed of activated carbon comprises two fixed mesh plates arranged at intervals and granular activated carbon fixed between the two fixed mesh plates, the fixed mesh plates and the inner wall of the box form a holding cavity for holding the granular activated carbon, and the granular activated carbon fills the whole holding cavity.

[0009] In one of the embodiments, the position of the box relative to the fixed bed of activated carbon is provided with a replacement assembly for facilitating replacement of the granular activated carbon, the replacement assembly comprises a feeding port arranged at the top of the box and a discharging port arranged near the bottom of the box, the feeding port penetrates the upper layer of the box and communicates with the holding cavity, and the discharging port penetrates the side of the box and communicates with the holding cavity.

[0010] In one of the embodiments, a ladder is arranged on the outer wall of the box, the upper end of the ladder leads to the top of the box, and the ladder is used for the operator to put the granular activated carbon into the feeding port of the fixed bed of activated carbon.

[0011] In one of the embodiments, the centrifugal fan is located between the inner wall of the box provided with the air outlet and the fixed bed of activated carbon, the centrifugal fan is not connected with the air inlet, and the centrifugal fan is soft-connected with the air outlet.

[0012] In one of the embodiments, the centrifugal fan is fixed in the box, a shock absorber for absorbing shock of the centrifugal fan is arranged in the box, and the centrifugal fan is fixed above the shock absorber.

[0013] In one of the embodiments, an electric control box is arranged on the outer side wall of the box, the electric control box is electrically connected with the centrifugal fan, and a differential pressure gauge is arranged on the outer side wall of the box relative to the positions of the primary filter structure, the high-efficiency filter structure and the fixed bed of activated carbon, and each differential pressure gauge is electrically connected with the electric control box.

[0014] In one of the embodiments, a maintenance door is arranged on the outer wall of the box relative to the positions of the centrifugal fan, the primary filter structure and the high-efficiency filter structure.

[0015] Compared with the prior art, the utility model has at least the following advantages:

[0016] The utility model discloses an integrated multistage filtering and granular activated carbon fixed bed's air purification device through the primary efficiency filter structure, high efficiency filter structure, activated carbon fixed bed and centrifugal fan integration to the box, improved the compactness and overall efficiency of device, through setting up double -deck filter design, high efficiency filter and adsorption combination, optimized the overall performance of air purification, centrifugal fan is built -in in the box realizes sound insulation and noise reduction, and the whole device realizes the intelligent monitoring of the filtering state through the electric control box and pressure difference table, improves the convenience and security of operation, sets up the cat ladder and the manhole to make the maintenance and feeding of operating personnel convenient, reduces the complexity and maintenance difficulty of equipment. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be briefly introduced to the drawing needed in the embodiment.

[0018] Figure 1 The structure schematic diagram of the air purification device of the utility model provides,

[0019] Figure 2 The sectional structure schematic diagram of the air purification device of the utility model provides,

[0020] Figure 3 The structure schematic diagram of another visual angle in the air purification device of the utility model provides.

[0021] BRIEF DESCRIPTION OF DRAWINGS: 10, box;11, air inlet;12, air outlet;13, feed inlet;14, discharge port;20, primary efficiency filter structure;21, fixed frame;22, folding primary efficiency filter cotton;30, high efficiency filter structure;31, fixed frame;32, high efficiency filter bag;40, activated carbon fixed bed;41, fixed net plate;42, granular activated carbon;43, accommodating cavity;50, centrifugal fan;60, cat ladder;70, shock absorber;80, electric control box;90, pressure difference table;100, manhole. DETAILED DESCRIPTION

[0022] In order to facilitate understanding the utility model, the following will be more comprehensive to the utility model with reference to relevant drawings.

[0023] The air purification device of integrated multistage filtering and granular activated carbon fixed bed refers to Figure 1 And Figure 2, including the box 10 and the air inlet 11 and air outlet 12 set on both sides of the box 10, the inside of the box 10 is sequentially provided with the primary filter structure 20, the high efficiency filter structure 30 and the activated carbon fixed bed 40 from the air inlet 11 to the air outlet 12, the centrifugal fan 50 is arranged in the box 10 close to the air outlet 12, the centrifugal fan 50 is used to push the gas from the air inlet 11 of the box 10 into the primary filter structure 20, the high efficiency filter structure 30 and the activated carbon fixed bed 40 to realize air purification, and the purified gas is discharged from the air outlet 12. By integrating the primary filter structure 20, the high efficiency filter structure 30, the activated carbon fixed bed 40 and the centrifugal fan 50 in the box 10, the floor area is reduced, the space is saved, the installation process is simplified, the equipment installation complexity is reduced, and the on-site installation period is shortened.

[0024] Further, referring to Figure 2 and Figure 3 , the primary filter structure 20 includes a fixed frame 21 and a folded primary filter cotton 22 fixed on the fixed frame 21, the fixed frame 21 is fixed on the inside of the box 10 close to the air inlet 11, and the folded primary filter cotton 22 is fixed on the fixed frame 21 in a folded state. The folded primary filter cotton 22 is used to capture larger particulate matter and dust in the gas entering the box 10 from the air inlet 11. Specifically, the folded primary filter cotton 22 is arranged in a W-shaped folding manner, and the folded primary filter cotton is arranged to increase the filtering area and prolong the service life of the subsequent filtering material.

[0025] Further, referring to Figure 2 and Figure 3 , the high efficiency filter structure 30 is located on one side of the primary filter structure 20, the high efficiency filter structure 30 includes a fixed frame 31 and a high efficiency filter bag 32 fixed on the fixed frame 31, the high efficiency filter bag 32 is arranged behind the folded primary filter cotton 22, and is used to further filter fine particulate matter and suspended matter in the gas, ensure the adsorption efficiency of the subsequent activated carbon fixed bed 40, and prevent the activated carbon fixed bed 40 from being blocked by fine particulate matter.

[0026] Further, referring to Figure 2 , the activated carbon fixed bed 40 is located on one side of the high efficiency filter structure 30, and the activated carbon fixed bed 40 includes two fixed mesh plates 41 arranged at intervals and a granular activated carbon 42 fixed between the two fixed mesh plates 41. A plurality of outer walls of the two fixed mesh plates 41 are fixedly connected with a plurality of inner walls of the box 10, and a containing cavity 43 for containing the granular activated carbon 42 is formed between the two fixed mesh plates 41 and the inner wall of the box 10. The granular activated carbon 42 fills the entire containing cavity 43. The granular activated carbon 42 is located behind the high efficiency filter bag 32 and is used to adsorb harmful gases and odors in the gas.

[0027] Further referring to Figure 2The two active carbon fixed beds 40 are arranged at a distance apart and are sequentially arranged on one side of the high efficiency filter structure 30. By arranging two active carbon fixed beds 40, the efficiency of air purification is provided, and the adsorption efficiency of harmful gases and odors is improved.

[0028] Further, referring to Figure 1 and Figure 2 , the position of the box 10 relative to the active carbon fixed bed 40 is provided with a replacement assembly for facilitating replacement of the granular activated carbon 42. The replacement assembly includes a feeding port 13 arranged at the top of the box 10 and a discharging port 14 arranged near the bottom of the box 10. The feeding port 13 is arranged at the position of the box 10 relative to the active carbon fixed bed 40, penetrates the upper side of the box 10 and communicates with the accommodating cavity 43 of the active carbon fixed bed 40, and the granular activated carbon 42 can enter the accommodating cavity 43 through the feeding port 13. The discharging port 14 is located at the lower end of the side of the box 10 relative to the active carbon fixed bed 40, penetrates the side of the box 10 and communicates with the accommodating cavity 43 of the active carbon fixed bed 40. In this embodiment, the granular activated carbon 42 is arranged in an upward feeding and downward discharging manner, and the granular activated carbon 42 is discharged by gravity to facilitate replacement of the granular activated carbon 42, reduce labor cost and ensure the adsorption effect of the active carbon fixed bed 40. It should be noted that the feeding port 13 and the discharging port 14 of the box 10 are both covered with a sealing plate, so that the sealing plates of the feeding port 13 and the discharging port 14 are opened for replacement when the granular activated carbon 42 needs to be replaced.

[0029] Referring to Figure 1 and Figure 2 , in this embodiment, the positions of the box 10 relative to the two active carbon fixed beds 40 are both provided with the feeding port 13 and the discharging port 14 to facilitate replacement of the granular activated carbon 42 in the two active carbon fixed beds 40.

[0030] Further, referring to Figure 1 , a ladder 60 is arranged on the outer wall of the box 10, the upper end of the ladder 60 leads to the top of the box 10, and the ladder 60 can be used by the operator to feed the granular activated carbon 42 into the feeding port 13 of the active carbon fixed bed 40.

[0031] Referring to Figure 1 and Figure 2The centrifugal fan 50 is located between the inner wall of the cabinet 10 provided with the air outlet 12 and the activated carbon fixed bed 40, and is used to provide power for air circulation, push the gas to pass through the primary filter structure 20, the high-efficiency filter structure 30 and the activated carbon fixed bed 40 in turn to realize air purification, and discharge the purified air from the air outlet 12. The centrifugal fan 50 and the air inlet 11 do not need to be connected by a pipeline, so as to reduce the resistance of the system, optimize the air flow and improve the air circulation efficiency. The centrifugal fan 50 and the air outlet 12 are connected in a soft connection mode to reduce vibration conduction. By opening the centrifugal fan 50, the centrifugal fan 50 sucks external gas into the cabinet 10, and the gas passes through the primary filter structure 20, the high-efficiency filter structure 30 and the activated carbon fixed bed 40 in turn to realize air purification, and is discharged out of the cabinet 10 through the soft connection between the centrifugal fan 50 and the air outlet 12.

[0032] Further, referring to Figure 1 and Figure 2 , the centrifugal fan 50 is fixed in the cabinet 10, and a shock absorber 70 for absorbing the vibration of the centrifugal fan 50 is arranged in the cabinet 10. The centrifugal fan 50 is fixed above the shock absorber 70, and the shock absorber 70 is used to reduce the vibration of the centrifugal fan 50 and reduce noise. By installing the centrifugal fan 50 inside the cabinet 10, the operating noise is effectively reduced, and a more quiet environment is provided.

[0033] Further, referring to Figure 1 and Figure 3 , an electric control box 80 is arranged on the outer side wall of the cabinet 10, and the electric control box 80 is electrically connected with the centrifugal fan 50. The electric control box 80 can control the start and stop of the centrifugal fan 50 and adjust the air speed of the centrifugal fan 50. The outer side wall of the cabinet 10 is provided with a differential pressure table 90 relative to the positions of the primary filter structure 20, the high-efficiency filter structure 30 and the activated carbon fixed bed 40. Each differential pressure table 90 is electrically connected with the electric control box 80, and the state of the primary filter structure 20, the high-efficiency filter structure 30 and the activated carbon fixed bed 40 and the overall operating state of the cabinet 10 can be monitored through the electric control box 80, so as to remind the maintenance operation such as replacing the filter material and the granular activated carbon 42.

[0034] Further, referring to Figure 1 and Figure 3 , a maintenance door 100 is arranged on the outer wall of the cabinet 10 relative to the positions of the centrifugal fan 50, the primary filter structure 20 and the high-efficiency filter structure 30. The maintenance door 100 is used to facilitate the maintenance of the centrifugal fan 50, the primary filter structure 20 and the high-efficiency filter structure 30 by the operator, so as to ensure the safety of the equipment.

[0035] The air purification device integrating the multi-stage filter and the granular activated carbon 42 fixed bed 40 improves the compactness and overall efficiency of the device by integrating the primary filter structure 20, the high-efficiency filter structure 30, the activated carbon fixed bed 40 and the centrifugal fan 50 into the box 10, optimizes the overall performance of air purification by combining high-efficiency filtration and adsorption through the double-layer filter design, realizes sound insulation and noise reduction by embedding the centrifugal fan 50 in the box 10, realizes intelligent monitoring of the filtration state through the electric control box 80 and the differential pressure gauge 90, improves the convenience and safety of operation, and sets the ladder 60 and the maintenance door 100 to facilitate the maintenance and feeding of the operator, thereby reducing the complexity and maintenance difficulty of the equipment.

[0036] The above-mentioned embodiments only express several embodiments of the utility model, and the description is more specific and detailed, but it cannot be understood as the limitation of the utility model patent range. It should be pointed out that for ordinary skilled persons in the art, without departing from the concept of the utility model, a number of modifications and improvements can be made, which belong to the protection range of the utility model. Therefore, the protection range of the utility model patent should be subject to the appended claims.

Claims

1. An air purification device integrating multi-stage filtration and fixed bed of granular activated carbon, characterized in that, The utility model relates to a kind of air purifiers, including: Box (10) and the air inlet (11) and air outlet (12) being arranged at both sides of the box (10), the inside of the box (10) is sequentially provided with primary filter structure (20), high efficiency filter structure (30) and activated carbon fixed bed (40) from the air inlet (11) to the air outlet (12) direction, centrifugal fan (50) is arranged in the box (10) close to the position of the air outlet (12), the centrifugal fan (50) is used to push gas from the air inlet (11) into sequentially after the primary filter structure (20), the high efficiency filter structure (30) and the activated carbon fixed bed (40) realize air purification, and gas is discharged from the air outlet (12).

2. The air cleaning device of claim 1, wherein the integrated multi-stage filtration and granular activated carbon fixed bed is characterized by, The primary filter structure (20) includes fixed frame (21) and folding primary filter cotton (22) fixed on the fixed frame (21), the fixed frame (21) is fixed in the box (10) close to the position of the air inlet (11), the folding primary filter cotton (22) is folded and fixed on the fixed frame (21), and the folding primary filter cotton (22) is used to capture larger particulate matter and dust in gas.

3. The air cleaning device of claim 2, wherein the air cleaning device is integrated with a multi-stage filter and a fixed bed of granular activated carbon. The high efficiency filter structure (30) is located at one side of the primary filter structure (20), and the high efficiency filter structure (30) includes a fixed frame (31) and a high efficiency filter bag (32) fixed on the fixed frame (31). The high efficiency filter bag (32) is used to further filter fine particulate matter and suspended solids in the gas.

4. The air cleaning device of claim 3, wherein the air cleaning device is characterized by: The activated carbon fixed bed (40) is located at one side of the high efficiency filter structure (30), and the activated carbon fixed bed (40) includes two fixed mesh plates (41) arranged at intervals and a granular activated carbon (42) fixed between the two fixed mesh plates (41). The fixed mesh plates (41) and the inner wall of the box (10) form a holding cavity (43) for accommodating the granular activated carbon (42). The granular activated carbon (42) fills the entire holding cavity (43).

5. The air cleaning device of claim 4, wherein the air cleaning device is integrated with a multi-stage filter and a fixed bed of granular activated carbon. The box (10) is provided with a replacement assembly for conveniently replacing the granular activated carbon (42) relative to the position of the activated carbon fixed bed (40). The replacement assembly includes a feed port (13) arranged at the top of the box (10) and a discharge port (14) arranged near the bottom of the box (10). The feed port (13) penetrates the upper layer of the box (10) and communicates with the holding cavity (43). The discharge port (14) penetrates the side of the box (10) and communicates with the holding cavity (43).

6. The air cleaning device of claim 5, wherein the air cleaning device is integrated with a multi-stage filter and a fixed bed of granular activated carbon. A ladder (60) is arranged on the outer wall of the box (10). The upper end of the ladder (60) leads to the top of the box (10). The ladder (60) is used for the operator to put the granular activated carbon (42) into the feed port (13) of the activated carbon fixed bed (40).

7. The air cleaning device of claim 4, wherein the air cleaning device is integrated with a multi-stage filter and a fixed bed of granular activated carbon. The centrifugal fan (50) is located between the inner wall of the cabinet (10) provided with the air outlet (12) and the activated carbon fixed bed (40), the centrifugal fan (50) is not connected with the air inlet (11), and the centrifugal fan (50) is soft connected with the air outlet (12).

8. The air cleaning device of claim 7, wherein the air cleaning device is integrated with a multi-stage filter and a fixed bed of granular activated carbon. The centrifugal fan (50) is fixed in the cabinet (10), and a shock absorber (70) for absorbing shock of the centrifugal fan (50) is arranged in the cabinet (10), and the centrifugal fan (50) is fixed above the shock absorber (70).

9. The air cleaning device of claim 8, wherein the air cleaning device is integrated with a multi-stage filter and a fixed bed of granular activated carbon. An electric control box (80) is arranged on the outer side wall of the cabinet (10), the electric control box (80) is electrically connected with the centrifugal fan (50), and differential pressure gauges (90) are arranged on the outer side wall of the cabinet (10) relative to positions of the primary efficiency filter structure (20), the high efficiency filter structure (30) and the activated carbon fixed bed (40), and each differential pressure gauge (90) is electrically connected with the electric control box (80).

10. The air cleaning device of claim 1, wherein the integrated multi-stage filtration and granular activated carbon fixed bed is characterized by, The outer wall of the cabinet (10) is provided with an access door (100) relative to positions of the centrifugal fan (50), the primary efficiency filter structure (20) and the high efficiency filter structure (30).

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