Waste gas collecting device for waste gas detection

Abstract

The utility model discloses a waste gas collection device for waste gas detection, which relates to the technical field of waste gas collection, and comprises a cylinder, a dust removal mechanism, a dust collection mechanism, a dust collection mechanism and a dust collection mechanism, in the rotating process of the rotating shaft, the trapezoidal arc plate can be driven to rotate, the trapezoidal arc plate can sweep off dust and enable the dust to leave the conical ring groove under the centrifugal force effect of the trapezoidal arc plate, the strip-shaped mounting plate can be driven to rotate when the rotating shaft rotates, and the strip-shaped mounting plate can be driven to rotate; when the scrubbing brushes rotate, fine dust clamped in the air inlet holes can be cleaned out together, due to the fact that the scrubbing brushes and the trapezoidal arc plates are distributed in a staggered mode, after the scrubbing brushes clean out the dust in the air inlet holes, the trapezoidal arc plates can clean out the dust out of the conical ring groove, the cleaning effect is further improved, and therefore the air inlet amount of the device is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of collecting waste gas, especially relates to a waste gas detection waste gas collecting device. BACKGROUND

[0002] A waste gas detection waste gas collecting device is mainly used for collecting waste gas to detect and analyze the waste gas, determine the composition, concentration and other parameters of the waste gas, and provide the basis for subsequent waste gas treatment, environmental monitoring and evaluation.

[0003] In the process of collecting waste gas, dust in the air will fall on the dustproof plate of the device, and fine dust particles will be stuck in the filter hole. The conventional cleaning cannot remove the dust in the filter hole, which will cause the filter hole to be blocked and affect the air intake of the device. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a waste gas detection waste gas collecting device to solve at least any problem in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a waste gas detection waste gas collecting device, which comprises a cylinder and further comprises:

[0006] A dust removal mechanism is arranged in the cylinder, and the dust removal mechanism comprises a rotating shaft arranged in the cylinder. The dust removal mechanism is used for filtering and cleaning dust in the air when the device inhales air, so as to avoid the dust from causing the device to be blocked and affecting the air intake of the device.

[0007] A dehumidification mechanism is arranged in the cylinder, and the dehumidification mechanism comprises a rectangular groove arranged on the rotating shaft. The dehumidification mechanism is used for preventing water in the gas from entering the waste gas detection device when the device inhales air, so as to avoid causing detection errors and reducing the accuracy of detection.

[0008] Preferably, the dust removal mechanism comprises a rotating shaft rotatably arranged in the cylinder. A driving motor is fixedly arranged on the back of the cylinder. The output shaft of the driving motor is fixedly connected with the rotating shaft. A plurality of air suction fan blades are fixedly arranged on the rotating shaft.

[0009] Preferably, a circular filter plate and a water absorption sponge are fixedly arranged in the cylinder. The circular filter plate and the water absorption sponge are in contact. The rotating shaft rotatably penetrates the circular filter plate and the water absorption sponge.

[0010] Preferably, a conical annular groove is formed in the front of the cylinder. A plurality of air inlet holes are formed in the front inner wall of the conical annular groove. An air exhaust pipe is fixedly arranged on the back of the cylinder. The plurality of air inlet holes and the air exhaust pipe are in communication with the cylinder.

[0011] Preferably, the rotating shaft is fixedly provided with a trapezoidal arc plate, the trapezoidal arc plate is matched with the conical ring groove, the back surface of the trapezoidal arc plate is in contact with the inner wall of the conical ring groove, the rotating shaft is fixedly provided with a strip-shaped mounting plate, the front surface of the strip-shaped mounting plate is fixedly provided with a hard-bristle brush, and the hard-bristle brush extends into the air inlet holes.

[0012] Preferably, the dehumidifying mechanism comprises a rectangular groove formed in the rotating shaft, a circular cylinder is slidably arranged on the rectangular groove, two strip-shaped plates are fixedly arranged on the circular cylinder, arc-shaped threaded plates are fixedly arranged at the ends of the two strip-shaped plates away from each other, and the two arc-shaped threaded plates are in reciprocal threaded connection with the inner wall of the circular cylinder.

[0013] Preferably, the back surfaces of the two strip-shaped plates are fixedly provided with two U-shaped mounting plates respectively, and extrusion rollers are rotatably arranged on the two U-shaped mounting plates.

[0014] Preferably, the outer wall of the circular cylinder is fixedly provided with two fixed rings, the outer walls of the two fixed rings are fixedly provided with supporting legs respectively, and an inclined groove is formed in the circular cylinder and extends to the outside of the circular cylinder.

[0015] The beneficial effects of the utility model are as follows:

[0016] In the utility model,

[0017] 1. First, connect the exhaust pipe to the exhaust gas detection device, start the drive motor when collecting exhaust gas, the drive motor drives the rotating shaft to rotate, the rotating shaft drives the plurality of air suction fan blades to rotate, the air suction fan blades will produce suction force to suck the exhaust gas into the cylinder, the dust in the air will be filtered out of the air inlet hole during this process, and a small amount of dust will remain on the surface of the air inlet hole. In the process of rotating the rotating shaft, the trapezoidal arc plate will be driven to rotate, the trapezoidal arc plate will sweep the dust and make the dust leave the conical ring groove under the centrifugal force of the trapezoidal arc plate. The strip-shaped mounting plate will be driven to rotate when the rotating shaft rotates, and the strip-shaped mounting plate will be driven to rotate. Since the hard-bristle brush extends into the air inlet hole, the fine dust stuck in the air inlet hole will be cleaned out when the hard-bristle brush rotates. Since the hard-bristle brush and the trapezoidal arc plate are staggered, the trapezoidal arc plate will clean the dust out of the conical ring groove after the hard-bristle brush cleans the dust in the air inlet hole, thereby further improving the cleaning effect and ensuring the air intake of the device.

[0018] 2, When the gas enters the cylinder, the moisture is also carried into the cylinder, and the moisture is adsorbed and filtered by the water absorption sponge; when the rotating shaft rotates, the circular cylinder is driven to rotate under the action of the rectangular groove; the circular cylinder drives the strip-shaped plate to rotate, and the strip-shaped plate drives the arc-shaped threaded plate to rotate; the arc-shaped threaded plate drives the circular cylinder to reciprocate on the rectangular groove under the action of the reciprocating thread; when the arc-shaped threaded plate moves towards the water absorption sponge, the corresponding U-shaped mounting plate drives the extrusion roller to move synchronously; when the extrusion roller contacts the water absorption sponge, the water absorption sponge is extruded to extrude the adsorbed moisture in the water absorption sponge and discharge the moisture outside through the inclined chute discharge device, so that the water absorption sponge is not saturated due to adsorption of moisture, and the moisture cannot effectively filter the moisture, so that the moisture enters the waste gas detection device and affects the detection precision. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is an overall structure schematic view of the utility model;

[0020] Figure 2 It is a side part sectional structure schematic view of the utility model;

[0021] Figure 3 It is a front part sectional structure schematic view of the utility model;

[0022] Figure 4 It is the utility model Figure 2 It is an enlarged structure schematic view of A in the utility model;

[0023] Figure 5 It is an enlarged structure schematic view of B in the utility model. Figure 3

[0024] In the drawing: 1, cylinder; 101, rotating shaft; 102, driving motor; 103, suction fan blade; 104, circular filter plate; 105, water absorption sponge; 106, conical ring groove; 107, air inlet hole; 108, exhaust pipe; 109, trapezoidal arc plate; 110, strip-shaped mounting plate; 111, hard hair brush; 2, rectangular groove; 201, circular cylinder; 202, strip-shaped plate; 203, arc-shaped threaded plate; 204, U-shaped mounting plate; 205, extrusion roller; 206, fixed ring; 207, support leg; 208, inclined chute. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] ​The utility model provides a kind of collection exhaust device for waste gas detection as shown in Figures 1-5 It is provided that the utility model discloses a kind of collection exhaust device for waste gas detection, including cylinder 1, still include: dust removal mechanism, dust removal mechanism is arranged in cylinder 1, dust removal mechanism includes the rotating shaft 101 being arranged in cylinder 1, dust removal mechanism is used to filter and clean away dust in air when device inhales, avoid dust to cause the blockage of device and affect the air intake of device;Dehumidification mechanism, dehumidification mechanism is arranged in cylinder 1, and dehumidification mechanism includes the rectangular groove 2 being arranged on rotating shaft 101, dehumidification mechanism is used to cause detection to produce error when gas in device inhales moisture and enter waste gas detection device, reduce the accuracy of detection.Dust removal mechanism includes rotating shaft 101 being rotatably installed in cylinder 1, the back of cylinder 1 is fixedly installed with driving motor 102, the output shaft of driving motor 102 is fixedly connected with rotating shaft 101, and several suction fan leaves 103 are fixedly installed on rotating shaft 101.Circular filter plate 104 and water-absorbing sponge 105 are fixedly installed in cylinder 1, and circular filter plate 104 and water-absorbing sponge 105 are in contact, and rotating shaft 101 rotates and penetrates circular filter plate 104 and water-absorbing sponge 105.Cylindrical 1 is provided with conical annular groove 106 in front, and several air inlet holes 107 are formed on the front inner wall of conical annular groove 106, and exhaust pipe 108 is fixedly installed on the back of cylinder 1, and several air inlet holes 107 and exhaust pipe 108 are communicated with cylinder 1.Trapezoidal arc plate 109 is fixedly installed on rotating shaft 101, and trapezoidal arc plate 109 is matched with conical annular groove 106, the back of trapezoidal arc plate 109 is in contact with the inner wall of conical annular groove 106, and strip-shaped mounting plate 110 is fixedly installed on rotating shaft 101, and bristle brush 111 is fixedly installed on the front of strip-shaped mounting plate 110, and bristle brush 111 extends into several air inlet holes 107;

[0027] Firstly, the exhaust pipe 108 is connected to the exhaust detection device, and the driving motor 102 is started when collecting exhaust gas. The driving motor 102 drives the rotating shaft 101 to rotate, and the rotating shaft 101 drives a plurality of suction fan blades 103 to rotate. The suction fan blades 103 will generate suction force to suck the exhaust gas into the cylinder 1. In this process, the dust in the air will be filtered out of the air inlet hole 107. A small amount of dust will remain on the surface of the air inlet hole 107. The trapezoidal arc plate 109 will be driven to rotate during the rotation of the rotating shaft 101. The trapezoidal arc plate 109 will sweep the dust off and make the dust leave the conical ring groove 106 under the centrifugal force of the trapezoidal arc plate 109. The strip-shaped mounting plate 110 will be driven to rotate during the rotation of the rotating shaft 101. The strip-shaped mounting plate 110 will drive the strip-shaped mounting plate 110 to rotate. Since the bristle brush 111 extends into the air inlet hole 107, the bristle brush 111 will clean the fine dust stuck in the air inlet hole 107 when it rotates. Since the bristle brush 111 and the trapezoidal arc plate 109 are staggered, after the bristle brush 111 cleans the dust in the air inlet hole 107, the trapezoidal arc plate 109 will follow to clean the dust out of the conical ring groove 106, further improving the cleaning effect, thereby ensuring the air intake of the device.

[0028] The dehumidification mechanism includes a rectangular slot 2 formed on the rotating shaft 101, a circular cylinder 201 slidably sleeved on the rectangular slot 2, two strip-shaped plates 202 fixedly installed on the circular cylinder 201, and two arc-shaped threaded plates 203 fixedly installed at the ends of the two strip-shaped plates 202 away from each other. The two arc-shaped threaded plates 203 are reciprocally threaded connected with the inner wall of the cylinder 1. The back surfaces of the two strip-shaped plates 202 are fixedly installed with two U-shaped mounting plates 204, and the two U-shaped mounting plates 204 are rotatably installed with two extrusion rollers 205. The outer wall of the cylinder 1 is fixedly sleeved with two fixed rings 206, the outer walls of the two fixed rings 206 are fixedly installed with two support legs 207, and the cylinder 1 is provided with a chute 208 extending to the outside of the cylinder 1;

[0029] When the gas enters the cylinder 1, moisture is also carried into the cylinder 1, and the moisture is adsorbed and filtered by the water absorption sponge 105; when the rotating shaft 101 rotates, the circular cylinder 201 is driven to rotate under the action of the rectangular groove 2, the circular cylinder 201 drives the strip-shaped plate 202 to rotate, the strip-shaped plate 202 drives the arc-shaped threaded plate 203 to rotate, and the arc-shaped threaded plate 203 drives the circular cylinder 201 to reciprocate on the rectangular groove 2 under the action of the reciprocating thread; when the arc-shaped threaded plate 203 moves towards the water absorption sponge 105, the corresponding U-shaped mounting plate 204 drives the extrusion roller 205 to move synchronously; when the extrusion roller 205 contacts the water absorption sponge 105, the water absorption sponge 105 is extruded and rotated, and the moisture adsorbed in the water absorption sponge 105 is squeezed out and discharged through the inclined groove 208, so that the water absorption sponge 105 is not saturated with moisture and cannot effectively filter the moisture, and the moisture enters the waste gas detection device to affect the detection precision.

[0030] The working principle of the waste gas collecting device for waste gas detection is as follows:

[0031] First, connect the exhaust pipe 108 to the waste gas detection device, and start the driving motor 102 when collecting waste gas; the driving motor 102 drives the rotating shaft 101 to rotate, and the rotating shaft 101 drives the plurality of air suction fan blades 103 to rotate; the air suction fan blades 103 generate suction force to suck the waste gas into the cylinder 1, and the gas enters the cylinder 1 through the air inlet hole 107; in this process, the dust in the air is filtered out of the air inlet hole 107, and a small amount of dust remains on the surface of the air inlet hole 107; during the rotation of the rotating shaft 101, the trapezoidal arc plate 109 is driven to rotate, and the trapezoidal arc plate 109 sweeps the dust and makes the dust leave the conical ring groove 106 under the centrifugal force of the trapezoidal arc plate 109; during the rotation of the rotating shaft 101, the strip-shaped mounting plate 110 is driven to rotate, and the strip-shaped mounting plate 110 is driven to rotate; since the bristle brush 111 extends into the air inlet hole 107, the bristle brush 111 rotates to clean the fine dust stuck in the air inlet hole 107; since the bristle brush 111 and the trapezoidal arc plate 109 are staggered, after the bristle brush 111 cleans the dust in the air inlet hole 107, the trapezoidal arc plate 109 cleans the dust out of the conical ring groove 106, further improving the cleaning effect, and ensuring the air intake of the device;

[0032] When the gas enters the cylinder 1, the moisture is also carried into the cylinder 1, and the moisture is adsorbed and filtered by the water absorption sponge 105. When the rotating shaft 101 rotates, the circular cylinder 201 is driven to rotate under the action of the rectangular groove 2, the strip-shaped plate 202 is driven to rotate, the arc-shaped threaded plate 203 is driven to rotate, and the circular cylinder 201 is driven to reciprocate on the rectangular groove 2 under the action of the reciprocating thread. When the arc-shaped threaded plate 203 moves towards the water absorption sponge 105, the corresponding U-shaped mounting plate 204 drives the extrusion roller 205 to move synchronously. When the extrusion roller 205 contacts the water absorption sponge 105, the water absorption sponge 105 is extruded and rotated, the water adsorbed in the water absorption sponge 105 is extruded and discharged through the inclined groove 208, and the water absorption sponge 105 is prevented from being saturated with water and unable to effectively filter the water, so that the water enters the waste gas detection device and affects the detection precision.

[0033] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application is made with reference to the foregoing embodiments, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of the present application.

Claims

1. A collecting exhaust device for exhaust gas detection comprising a cylinder (1), characterized in that, Also include: The dust removal mechanism is arranged in the cylinder (1), the dust removal mechanism includes rotating shaft (101) arranged in the cylinder (1), the dust removal mechanism is used for filtering and cleaning dust in air when the device inhales, avoids that dust causes the device to be blocked and affects the air intake of the device; The dehumidification mechanism is arranged in the cylinder (1), the dehumidification mechanism includes a rectangular groove (2) arranged on the rotating shaft (101), the dehumidification mechanism is used for the water in the gas into the exhaust gas detection device when the device inhales, causes detection to produce error, reduces the accuracy of detection.

2. The exhaust gas collecting device according to claim 1, wherein: The dust removal mechanism includes rotating shaft (101) rotatingly installed in the cylinder (1), the back of the cylinder (1) is fixedly installed with a driving motor (102), the output shaft of the driving motor (102) is fixedly connected with the rotating shaft (101), and a plurality of suction fan blades (103) are fixedly installed on the rotating shaft (101).

3. The exhaust gas collecting device according to claim 2, wherein: The cylinder (1) is fixedly installed with a circular filter plate (104) and a water absorption sponge (105), the circular filter plate (104) and the water absorption sponge (105) are in contact, and the rotating shaft (101) rotates through the circular filter plate (104) and the water absorption sponge (105).

4. The exhaust gas collecting device according to claim 1, wherein: The front surface of the cylinder (1) is provided with a conical annular groove (106), a plurality of air inlet holes (107) are formed in the front inner wall of the conical annular groove (106), and the back surface of the cylinder (1) is fixedly installed with an exhaust pipe (108); the plurality of air inlet holes (107) and the exhaust pipe (108) are communicated with the cylinder (1).

5. The exhaust gas collecting device according to claim 4, wherein: The rotating shaft (101) is fixedly installed with a trapezoidal arc plate (109), the trapezoidal arc plate (109) is matched with the conical annular groove (106), the back surface of the trapezoidal arc plate (109) is in contact with the inner wall of the conical annular groove (106), the rotating shaft (101) is fixedly installed with a strip-shaped mounting plate (110), the front surface of the strip-shaped mounting plate (110) is fixedly installed with a bristle brush (111), and the bristle brush (111) extends into the plurality of air inlet holes (107).

6. The exhaust gas collecting device according to claim 1, wherein: The dehumidification mechanism includes a rectangular groove (2) formed on the rotating shaft (101), the rectangular groove (2) is slidably sleeved with a circular cylinder (201), two strip-shaped plates (202) are fixedly installed on the circular cylinder (201), arc-shaped threaded plates (203) are fixedly installed at the ends of the two strip-shaped plates (202) away from each other, and the two arc-shaped threaded plates (203) are reciprocally screwed with the inner wall of the cylinder (1).

7. The exhaust gas collecting device according to claim 6, wherein: The back surfaces of the two strip-shaped plates (202) are fixedly installed with two shaped mounting plates (204), and the two shaped mounting plates (204) are rotatably installed with extrusion rollers (205).

8. The exhaust gas collecting device according to claim 1, wherein: The outer wall of the cylinder (1) is fixedly sleeved with two fixed rings (206), the outer walls of the two fixed rings (206) are fixedly installed with support legs (207), and the cylinder (1) is provided with an inclined chute (208), and the bottom end of the inclined chute (208) extends to the outside of the cylinder (1).

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