Comprehensive waste gas purification equipment for laboratory

Abstract

The utility model discloses comprehensive waste gas purification equipment for a laboratory, which comprises an activated carbon fan all-in-one machine which comprises a box body, a filtering bin door and an activated carbon adsorption bin door, the anti-blocking assembly comprises a servo motor, a rotating shaft, a cam, a spring column, an arc-shaped cross and a U-shaped frame, the servo motor is fixed to the side edge of the box body, the output end of the servo motor penetrates through and is rotationally connected to the side edge of the box body, one end of the rotating shaft is fixed to the output end of the servo motor, and the other end of the rotating shaft is rotationally connected to the other side edge of the interior of the box body; the cam is fixed to the middle of the rotating shaft, the spring column is fixed to the inner side of the box, the arc-shaped cross is fixed to the movable end of the spring column, and one end of the U-shaped frame is fixed to the arc-shaped cross. The problems that after waste gas enters a box body and large particles are adsorbed by filter cotton, the filter cotton needs to be taken out and cleaned regularly to avoid blockage of the filter cotton, shutdown operation needs to be carried out when the filter cotton is taken out, and the waste gas treatment efficiency is seriously affected are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of waste gas treatment, in particular to comprehensive waste gas purification equipment for laboratories. Background Art

[0002] Laboratory comprehensive waste gas purification equipment is a device specially designed to treat the complex and diverse waste gas components generated in laboratories. The technologies used in laboratory comprehensive waste gas purification equipment include but are not limited to high-efficiency filtration UV photolysis technology, plasma technology, and activated carbon adsorption technology. These technologies can be used alone or in combination to meet the needs of different types of waste gas treatment. An existing activated carbon fan all-in-one machine installs the fan and the active carbon adsorption box in a box, which reduces the difficulty of installation. Its working principle is that the waste gas enters the box, first passes through the filter cotton to absorb the large particles in the waste gas, and then passes through the activated carbon to absorb the harmful gases, and then is discharged.

[0003] When the waste gas enters the box and passes through the filter cotton to absorb large particles, the filter cotton needs to be removed regularly and cleaned to avoid clogging. When removing the filter cotton, the machine needs to be shut down, which seriously affects the waste gas treatment efficiency. Therefore, a comprehensive laboratory waste gas purification equipment is needed to solve the above problem. Utility Model Content

[0004] The purpose of the present utility model is to provide a comprehensive laboratory waste gas purification equipment to solve the problem raised in the above background technology that the waste gas enters the box and after the filter cotton absorbs large particles, the filter cotton needs to be taken out regularly and cleaned to avoid clogging of the filter cotton. When taking out the filter cotton, the machine needs to be shut down, which seriously affects the waste gas treatment efficiency.

[0005] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0006] The utility model is a comprehensive laboratory waste gas purification equipment, comprising:

[0007] An activated carbon blower integrated machine, comprising a housing, a filter compartment door, and an activated carbon adsorption compartment door. The housing is placed on the ground, and the interior is divided into a filter compartment, an activated carbon adsorption compartment, and a blower equipment compartment. The filter compartment door and the activated carbon adsorption compartment door are hinged on the side of the housing, corresponding to the filter compartment and the activated carbon adsorption compartment, respectively.

[0008] An anti-blocking component includes a servo motor, a rotating shaft, a cam, a spring column, an arc-shaped cross and a U-shaped frame. The servo motor is fixed to the side of the box, and the output end passes through and is rotatably connected to the side of the box, located between the filter compartment door and the activated carbon adsorption compartment door. One end of the rotating shaft is fixed to the output end of the servo motor, and the other end is rotatably connected to the other side of the box. The cam is fixed to the middle of the rotating shaft, the spring column is fixed to the inside of the box, the arc-shaped cross is fixed to the movable end of the spring column, and one end of the U-shaped frame is fixed to the arc-shaped cross and wrapped around the outside of the rotating shaft and the cam.

[0009] Furthermore, the anti-blocking component also includes a fixing plate, one end of which is fixed to the middle of the four side walls inside the box, and one end of the spring column is fixed to the fixing plate.

[0010] Furthermore, the four corners of the arc-shaped cross are on the same plane, forming an arc with the middle, and the edges of the arc-shaped cross are all polished into rounded corners.

[0011] Furthermore, the activated carbon fan integrated machine also includes an air inlet, an air outlet and a fan compartment door. The air inlet and the air outlet are respectively opened at both ends of the box body, and the fan compartment door is hinged on the side of the box body and corresponds to the fan equipment compartment.

[0012] Furthermore, the activated carbon blower integrated machine also includes a card slot and a filter cotton frame. The card slot is fixed on the upper and lower sides of the box body and is located in the filter bin. The filter cotton frame is inserted into the card slot, and filter cotton is fixed in the middle of the filter cotton frame.

[0013] Furthermore, one side of the arc-shaped cross is movably connected to the filter cotton in the middle of the filter cotton frame, and the cam is movably connected to one end of the U-shaped frame.

[0014] Furthermore, it also includes an adjustment component, which includes a through hole and an adjustment screw. The through hole is opened in the middle of the arc-shaped cross, and the adjustment screw is screwed into the through hole.

[0015] Furthermore, the adjustment component also includes a bearing and a disc, the bearing is fixed in the middle of the disc, one end of the adjustment screw is rotatably connected in the bearing, and the outer ring of the disc is polished into a rounded corner.

[0016] Compared with the prior art, the advantages of the present invention are:

[0017] 1. The utility model provides an anti-blocking component. While treating the exhaust gas, the servo motor is started to drive the rotating shaft to rotate, and the rotating shaft drives the cam to rotate. When the cam rotates to the end of the U-shaped frame away from the arc-shaped cross, the U-shaped frame is driven to move, thereby moving the arc-shaped cross away from the filter cotton inside the filter cotton frame. When the cam rotates past the end of the U-shaped frame away from the arc-shaped cross, the spring column on the fixed plate extends, causing the arc-shaped cross to bounce onto the filter cotton in the filter cotton frame, and the large particles adsorbed on the filter cotton are bounced off. This arrangement can ensure that the filter cotton always maintains smooth gas circulation.

[0018] 2. The utility model has an adjustment component, and when installing the arc cross, the adjustment screw in the through hole is rotated, and one end of the adjustment screw rotates in the bearing, driving the disc to move closer to or away from the arc cross. This setting can adjust the arc degree of the middle part of the arc cross according to the tightness of the filter cotton in the filter cotton frame, so as to better fit the filter cotton. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0020] Figure 1 This is a schematic diagram of the appearance of the utility model;

[0021] Figure 2 This is a schematic diagram of the position of the anti-blocking component of the utility model;

[0022] Figure 3 This is a schematic structural diagram of the anti-blocking component of the utility model;

[0023] Figure 4 This is a schematic diagram of the structure of the adjustment component of the present utility model.

[0024] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0025] 10. Box body; 11. Air inlet; 12. Air outlet; 13. Filter compartment door; 14. Card slot; 15. Filter cotton frame; 16. Activated carbon adsorption compartment door; 17. Fan compartment door; 20. Servo motor; 21. Rotating shaft; 22. Cam; 23. Fixed plate; 24. Spring column; 25. Arc cross; 26. U-shaped frame; 30. Through hole; 31. Adjusting screw; 32. Bearing; 33. Disc. DETAILED DESCRIPTION

[0026] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0027] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0028] In order to make the purpose, technical solutions and advantages of the present invention more clear, the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

[0029] See also Figure 1-3 As shown, this embodiment is a comprehensive laboratory waste gas purification equipment, including:

[0030] The activated carbon blower integrated machine includes a box body 10, a filter compartment door 13 and an activated carbon adsorption compartment door 16. The box body 10 is placed on the ground, and the interior is divided into a filter compartment, an activated carbon adsorption compartment and a blower equipment compartment. The filter compartment door 13 and the activated carbon adsorption compartment door 16 are hinged on the side of the box body 10, corresponding to the filter compartment and the activated carbon adsorption compartment respectively.

[0031] The activated carbon blower integrated machine further includes an air inlet 11, an air outlet 12 and a blower compartment door 17. The air inlet 11 and the air outlet 12 are respectively opened at both ends of the box body 10. The blower compartment door 17 is hinged on the side of the box body 10 and corresponds to the blower equipment compartment.

[0032] The activated carbon blower integrated machine also includes a card slot 14 and a filter cotton frame 15. The card slot 14 is fixed on the upper and lower sides of the box body 10 and is located in the filter compartment. The filter cotton frame 15 is inserted into the card slot 14, and filter cotton is fixed in the middle of the filter cotton frame 15.

[0033] The box body 10 is used for gas circulation, the air inlet 11 inputs exhaust gas, and the air outlet 12 discharges the purified gas. The filter compartment door 13 is convenient for replacing the filter cotton frame 15, and the slot 14 serves as a connection. The filter cotton frame 15 is used to filter large particles in the exhaust gas. The activated carbon adsorption compartment door 16 is convenient for replacing the internal activated carbon. The fan compartment door 17 is equipped with a fan to provide power for gas circulation.

[0034] The anti-blocking component includes a servo motor 20, a rotating shaft 21, a cam 22, a spring column 24, an arc-shaped cross 25 and a U-shaped frame 26. The servo motor 20 is fixed to the side of the box body 10, and the output end passes through and is rotatably connected to the side of the box body 10, located between the filter compartment door 13 and the activated carbon adsorption compartment door 16. One end of the rotating shaft 21 is fixed to the output end of the servo motor 20, and the other end is rotatably connected to the other side of the inside of the box body 10. The cam 22 is fixed to the middle of the rotating shaft 21, the spring column 24 is fixed to the inside of the box body 10, the arc-shaped cross 25 is fixed to the movable end of the spring column 24, and one end of the U-shaped frame 26 is fixed to the arc-shaped cross 25 and wrapped around the outside of the rotating shaft 21 and the cam 22;

[0035] The anti-blocking assembly further includes a fixing plate 23, one end of which is fixed to the middle of the four side walls inside the box body 10, and one end of the spring column 24 is fixed to the fixing plate 23;

[0036] The four corners of the arc-shaped cross 25 are on the same plane, forming an arc with the middle, and the edges of the arc-shaped cross 25 are all polished into rounded corners.

[0037] One side of the arc-shaped cross 25 is movably connected to the filter cotton in the middle of the filter cotton frame 15, and the cam 22 is movably connected to one end of the U-shaped frame 26;

[0038] The servo motor 20 provides the power source, the rotating shaft 21 converts the power, the cam 22 can realize the position change, the fixed plate 23 plays a supporting role, the spring column 24 has an extension function, the arc cross 25 is used to remove particles on the filter cotton, and the U-shaped frame 26 plays a connecting role.

[0039] Working principle:

[0040] While treating the exhaust gas, the servo motor 20 starts, driving the rotating shaft 21 to rotate, and the rotating shaft 21 drives the cam 22 to rotate. When the cam 22 rotates to the end of the U-shaped frame 26 away from the arc cross 25, it drives the U-shaped frame 26 to move, thereby moving the arc cross 25 away from the filter cotton inside the filter cotton frame 15. When the cam 22 rotates past the end of the U-shaped frame 26 away from the arc cross 25, the spring column 24 on the fixed plate 23 extends, causing the arc cross 25 to bounce onto the filter cotton in the filter cotton frame 15, and bounce off the large particles adsorbed on the filter cotton.

[0041] This step can ensure that the filter cotton always maintains smooth gas flow.

[0042] See also Figure 4 This embodiment is based on the above embodiment and further includes:

[0043] The adjustment component includes a through hole 30 and an adjustment screw 31. The through hole 30 is opened in the middle of the arc-shaped cross 25, and the adjustment screw 31 is screwed into the through hole 30;

[0044] The adjustment assembly also includes a bearing 32 and a disc 33. The bearing 32 is fixed in the middle of the disc 33. One end of the adjustment screw 31 is rotatably connected to the bearing 32. The outer ring of the disc 33 is polished into a rounded corner.

[0045] The through hole 30 plays a connecting role, the adjusting screw 31 plays an adjusting role, the bearing 32 facilitates the rotation of the adjusting screw 31, and the disc 33 plays a connecting role.

[0046] Working principle:

[0047] When installing the arc-shaped cross 25 , the adjusting screw 31 in the through hole 30 is rotated, and one end of the adjusting screw 31 rotates in the bearing 32 , driving the disc 33 to move closer to or away from the arc-shaped cross 25 .

[0048] In this step, the arc degree of the middle part of the arc cross 25 can be adjusted according to the tightness of the filter cotton in the filter cotton frame 15, so as to better fit the filter cotton.

[0049] It should also be noted that, in the description of this utility model, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to mechanical connections or electrical connections; they may refer to direct connections or indirect connections through an intermediate medium; and they may refer to internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0050] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A comprehensive laboratory waste gas purification equipment, characterized in that: include: An activated carbon blower integrated machine, comprising a housing (10), a filter chamber door (13) and an activated carbon adsorption chamber door (16); the housing (10) is placed on the ground, and its interior is divided into a filter chamber, an activated carbon adsorption chamber and a blower equipment chamber; the filter chamber door (13) and the activated carbon adsorption chamber door (16) are hinged to the side of the housing (10), corresponding to the filter chamber and the activated carbon adsorption chamber, respectively; An anti-blocking component comprises a servo motor (20), a rotating shaft (21), a cam (22), a spring column (24), an arc cross (25) and a U-shaped frame (26), wherein the servo motor (20) is fixed to the side of the box (10), and the output end thereof passes through and is rotatably connected to the side of the box (10), and is located between the filter chamber door (13) and the activated carbon adsorption chamber door (16); one end of the rotating shaft (21) is fixed to the output end of the servo motor (20), and the other end is rotatably connected to the other side of the inside of the box (10); the cam (22) is fixed to the middle of the rotating shaft (21); the spring column (24) is fixed to the inside of the box (10); the arc cross (25) is fixed to the movable end of the spring column (24); one end of the U-shaped frame (26) is fixed to the arc cross (25) and is wrapped around the outside of the rotating shaft (21) and the cam (22).

2. A laboratory comprehensive waste gas purification equipment according to claim 1, characterized in that: The anti-blocking component further comprises a fixing plate (23), one end of which is fixed to the middle of the four side walls inside the box body (10), and one end of the spring column (24) is fixed to the fixing plate (23).

3. A laboratory comprehensive waste gas purification equipment according to claim 1, characterized in that: The four corners of the arc-shaped cross (25) are on the same plane, forming an arc with the middle, and the edges of the arc-shaped cross (25) are all polished into rounded corners.

4. A laboratory comprehensive waste gas purification equipment according to claim 1, characterized in that: The activated carbon blower integrated machine further comprises an air inlet (11), an air outlet (12) and a blower compartment door (17), wherein the air inlet (11) and the air outlet (12) are respectively provided at both ends of the box body (10), and the blower compartment door (17) is hinged to the side of the box body (10) and corresponds to the blower equipment compartment.

5. The laboratory comprehensive waste gas purification equipment according to claim 1, characterized in that: The activated carbon blower integrated machine further comprises a card slot (14) and a filter cotton frame (15), wherein the card slot (14) is fixed at the upper and lower sides of the interior of the box body (10) and is located in the filter bin, and the filter cotton frame (15) is plugged into the card slot (14), and filter cotton is fixed in the middle of the filter cotton frame (15).

6. The laboratory comprehensive waste gas purification equipment according to claim 1, characterized in that: One side of the arc-shaped cross (25) is movably connected to the filter cotton in the middle of the filter cotton frame (15), and the cam (22) is movably connected to one end of the U-shaped frame (26).

7. The laboratory comprehensive waste gas purification equipment according to claim 1, characterized in that: It also includes an adjustment component, which includes a through hole (30) and an adjustment screw (31). The through hole (30) is opened in the middle of the arc-shaped cross (25), and the adjustment screw (31) is screwed into the through hole (30).

8. The laboratory comprehensive waste gas purification equipment according to claim 7, characterized in that: The adjustment assembly further comprises a bearing (32) and a disc (33), wherein the bearing (32) is fixed in the middle of the disc (33), one end of the adjustment screw (31) is rotatably connected in the bearing (32), and the outer ring of the disc (33) is polished into a rounded corner.

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