CN220650393U - Detection device for dust concentration of exhaust funnel - Google Patents
Detection device for dust concentration of exhaust funnel Download PDFInfo
- Publication number
- CN220650393U CN220650393U CN202322215271.6U CN202322215271U CN220650393U CN 220650393 U CN220650393 U CN 220650393U CN 202322215271 U CN202322215271 U CN 202322215271U CN 220650393 U CN220650393 U CN 220650393U
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- filter membrane
- sleeve
- pipe sleeve
- clamping plate
- exhaust funnel
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- 239000000428 dust Substances 0.000 title claims abstract description 53
- 238000001514 detection method Methods 0.000 title claims abstract description 10
- 239000012528 membrane Substances 0.000 claims abstract description 98
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 239000000523 sample Substances 0.000 claims abstract description 11
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000005686 electrostatic field Effects 0.000 abstract description 5
- 238000001914 filtration Methods 0.000 abstract description 4
- 238000004140 cleaning Methods 0.000 abstract description 3
- 230000003068 static effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a detection device for dust concentration of an exhaust funnel, which comprises the exhaust funnel, wherein the bottom end part of the exhaust funnel is connected with an L-shaped air outlet pipe, and a filter membrane mechanism is arranged between the exhaust funnel and the L-shaped air outlet pipe; the filter membrane mechanism comprises an upper ring pipe sleeve, a lower ring pipe sleeve, a filter membrane clamping plate and a filter membrane. In the scheme, an assembled filter membrane mechanism is adopted, so that the air flow blown out by the exhaust funnel can be subjected to preliminary dust filtering, and the dust concentration of the exhaust funnel in the real-time exhaust air after being filtered by the filter membrane can be conveniently detected by a dust detector arranged on the lower ring pipe sleeve in a mode that the electrostatic field strength is detected by an electrostatic charge probe; in the scheme, the dust concentration on the filter membrane can be detected in a front-rear weight difference metering mode after the filter membrane is quickly disassembled; the whole device structure is convenient for detecting the dust concentration in flowing air and is also convenient for disassembling and cleaning the filter membrane.
Description
Technical Field
The utility model relates to the technical field of dust concentration detection of flowing air, in particular to a detection device for dust concentration of an exhaust funnel.
Background
Along with the development of social industrialization, the economic level is improved, but a large amount of air containing dust is discharged in the development process, and pollution is caused to the environment, so that the dust-containing air is required to be discharged and purified, in the air discharge of an exhaust funnel, a filter membrane can filter dust action so as to reduce the damage influence of dust to the environment, and the long-term exhaust action of the exhaust funnel is considered, so that a device for conveniently disassembling and assembling the filter membrane and simultaneously detecting the dust concentration is required.
Disclosure of Invention
The present utility model is directed to a device for detecting dust concentration of an exhaust funnel, so as to solve the problems set forth in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the device for detecting the dust concentration of the exhaust funnel comprises the exhaust funnel, wherein the bottom end part of the exhaust funnel is connected with an L-shaped air outlet pipe, and a filter membrane mechanism is arranged between the exhaust funnel and the L-shaped air outlet pipe;
the filter membrane mechanism comprises an upper annular tube sleeve, a lower annular tube sleeve, a filter membrane clamping plate and a filter membrane, wherein the upper annular tube sleeve is connected with a vertical downward air outlet port part of an exhaust tube, the bottom of the upper annular tube sleeve is connected with the lower annular tube sleeve in a buckling manner, the filter membrane clamping plate is arranged in a containing groove between the upper annular tube sleeve and the lower annular tube sleeve, and the filter membrane is arranged on the filter membrane clamping plate;
the filter membrane clamping plate comprises a filter membrane clamping plate body, wherein the left side edge and the right side edge of the filter membrane clamping plate body are respectively provided with a pressing plate, the bottom end part of the pressing plate body is provided with a hollow sleeve, the bottom end part of the hollow sleeve is of a threaded rod structure, the pressing plate body is rotationally connected with the hollow sleeve through a rotating ring, the outer surface of the hollow sleeve is provided with a round hole, the left side edge and the right side edge of the upper ring sleeve are provided with a bolt column, and the bolt column penetrates through the outer surface of the bottom end part of the upper ring sleeve and is provided with an elastic rubber bulge;
screw thread sleeves corresponding to the hollow sleeve are arranged at the edges of the left side and the right side of the lower ring sleeve, and a dust detector is arranged on the inner wall of the lower ring sleeve.
Preferably, the filter membrane is pressed and fastened at the central through hole of the filter membrane clamping plate through the pressing plate, a gap exists between the filter membrane and the lower annular pipe sleeve, the dust detector comprises a static charge probe and a signal amplifier, and the static charge probe of the dust detector is positioned at the gap between the filter membrane and the lower annular pipe sleeve.
Preferably, the bolt post is inserted into the hollow sleeve of the filter membrane clamping plate after penetrating through the upper ring sleeve, the elastic rubber bulge on the outer surface of the bolt post is fastened and fixed through the round hole on the outer surface of the hollow sleeve, and the filter membrane clamping plate is fixed through the threaded rod at the bottom end of the hollow sleeve and the threaded sleeve on the lower ring sleeve.
Advantageous effects
The utility model provides a detection device for dust concentration of an exhaust funnel, which has the following beneficial effects:
1. in the scheme, an assembled filter membrane mechanism is adopted, so that the air flow blown out by the exhaust funnel can be subjected to preliminary dust filtering, and the dust concentration of the exhaust funnel in the real-time exhaust air after being filtered by the filter membrane can be conveniently detected by a dust detector arranged on the lower ring pipe sleeve in a mode that the electrostatic field strength is detected by an electrostatic charge probe;
2. in the scheme, the dust concentration on the filter membrane can be detected in a front-rear weight difference metering mode after the filter membrane is quickly disassembled; the whole device structure is convenient for detecting the dust concentration in flowing air and is also convenient for disassembling and cleaning the filter membrane.
Drawings
FIG. 1 is an overall block diagram of the present utility model;
FIG. 2 is an assembled construction diagram of the filter mechanism of the present utility model;
FIG. 3 is an enlarged schematic view of the connection structure of the pressing member and the hollow sleeve of the present utility model;
FIG. 4 is an exploded view of the hollow sleeve and latch post connection of the present utility model;
in the figure: 1. an exhaust pipe; 2. an L-shaped air outlet pipe; 3. an upper ring sleeve; 4. a lower ring sleeve; 5. the filter membrane is provided with a clamping plate; 6. a filter membrane; 7. a platen member; 8. a hollow sleeve; 9. a round hole; 10. a latch post; 11. an elastic rubber protrusion; 12. a threaded pipe sleeve; 13. a dust detector; 14. and rotating the ring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a detection device of aiutage dust concentration, includes aiutage 1, and the bottom of aiutage 1 is connected with L shape outlet duct 2, is provided with filter membrane mechanism between aiutage 1 and the L shape outlet duct 2;
the filter membrane mechanism comprises an upper annular pipe sleeve 3, a lower annular pipe sleeve 4, a filter membrane clamping plate 5 and a filter membrane 6, wherein the upper annular pipe sleeve 3 is connected with a vertical downward air outlet port part of the exhaust funnel 1, the lower annular pipe sleeve 4 is connected with the bottom of the upper annular pipe sleeve 3 in a buckling manner, the filter membrane clamping plate 5 is arranged in a containing groove between the upper annular pipe sleeve 3 and the lower annular pipe sleeve 4, and the filter membrane 6 is arranged on the filter membrane clamping plate 5;
the left side edge and the right side edge of the filter membrane clamping plate 5 are respectively provided with a pressing plate 7, the bottom end part of the pressing plate 7 is provided with a hollow sleeve 8, the bottom end part of the hollow sleeve 8 is of a threaded rod structure, the pressing plate 7 is rotationally connected with the hollow sleeve 8 through a rotating ring 14, the outer surface of the hollow sleeve 8 is provided with a round hole 9, the left side edge and the right side edge of the upper annular tube sleeve 3 are provided with a bolt post 10, and the bolt post 10 penetrates through the outer surface of the bottom end part of the upper annular tube sleeve 3 and is provided with an elastic rubber bulge 11;
the left and right side edges of the lower annular pipe sleeve 4 are respectively provided with a threaded pipe sleeve 12 corresponding to the hollow sleeve 8, and the inner wall of the lower annular pipe sleeve 4 is provided with a dust detector 13.
The filter membrane 6 is tightly pressed and fixed at the central through hole of the filter membrane clamping plate 5 through the pressure plate 7, a gap exists between the filter membrane 6 and the lower annular pipe sleeve 4, the dust detector 13 comprises an electrostatic charge probe and a signal amplifier, and the electrostatic charge probe of the dust detector 13 is positioned at the gap between the filter membrane 6 and the lower annular pipe sleeve 4.
The bolt post 10 is inserted into the hollow sleeve 8 of the filter membrane clamping plate 5 after penetrating the upper ring sleeve 3, and the elastic rubber bulge 11 on the outer surface of the bolt post 10 is fastened and fixed through the round hole 9 on the outer surface of the hollow sleeve 8, and the filter membrane clamping plate 5 is fixed through the threaded rod at the bottom end of the hollow sleeve 8 and the threaded sleeve 12 on the lower ring sleeve 4.
Working principle: the gas containing dust in the structure is blown out downwards from the exhaust pipe barrel 1, passes through the filter membrane mechanism and is discharged from the L-shaped air outlet pipe 2, and after entering the filter membrane mechanism, the gas is blown out from the air outlet hole at the bottom end of the upper annular pipe sleeve 3, filtered by the filter membrane 6 clamped on the filter membrane clamping plate 5 and then enters the L-shaped air outlet pipe 2 through the air outlet port at the bottom of the lower annular pipe sleeve 4;
the filter membrane mechanism in the structure is divided into an upper ring pipe sleeve 3, a lower ring pipe sleeve 4 and a filter membrane clamping plate 5, wherein a filter membrane 6 is fixed on the filter membrane clamping plate 5 through a pressure plate 7, the pressure plate 7 is arranged on the filter membrane clamping plate 5 through a hollow sleeve 8, the bottom end part of the hollow sleeve 8 is of a threaded rod structure, the hollow sleeve 8 is rotationally connected with the filter membrane clamping plate 5, and the pressure plate 7 is arranged at the top of the hollow sleeve 8 through a rotating ring 14, so that the pressure plate 7 is rotationally connected with the hollow sleeve 8 through the rotating ring 14;
when the filter membrane 6 needs to be disassembled, the upper annular pipe sleeve 3 and the lower annular pipe sleeve 4 are disassembled and separated manually, the filter membrane mounting plate 5 in the filter membrane mounting plate is taken out, and then the press plate 7 is rotated, so that the end part of the press plate 7 faces the outer side of the filter membrane mounting plate 5, and the filter membrane 6 is taken out;
when the filter membrane 6 is assembled and fixed, the press plate 7 is manually rotated in the same way, so that the end part of the press plate 7 faces the inner side of the filter membrane clamping plate 5, and as shown in fig. 3, the filter membrane 6 can be assembled and fixed through the press plate 7 and the deposit;
in the assembly process, the hollow sleeve 8 is rotated, and the distance between the pressure plate 7 and the filter membrane clamping plate 5 is adjusted, so that the filter membrane 6 is fixedly assembled in the filter membrane clamping plate 5, and then the filter membrane clamping plate 5 and the lower annular pipe sleeve 4 are rotationally inserted into the threaded pipe sleeve 12 for locking and fixing through a threaded rod structure at the bottom end of the hollow sleeve 8;
then the plug pin column 10 on the upper ring pipe sleeve 3 is inserted into the hollow sleeve 8, and the elastic rubber bulge 11 on the plug pin column 10 is clamped in the round hole 9 to realize the assembly and the fixation of the upper ring pipe sleeve 3 and the filter membrane clamping plate 5;
the dust detector 13 is arranged in the lower annular pipe sleeve 4, and the dust detector 13 is positioned at a gap between the filter membrane 6 and the lower annular pipe sleeve 4; the filter membrane 6 is used for filtering most dust, the gas after the dust is primarily filtered is detected by the static charge probe of the dust detector 13, when the dust follows the air current in the moving process, dust particles are rubbed and collided to generate static charge, an electrostatic field is formed, the static charge probe of the dust detector 13 can detect the intensity of the electrostatic field, and after the signal is amplified by the signal amplifier, the signal is transmitted to the display screen of the external monitoring control system in a wire or wireless transmission mode. Thereby realizing the effect of detecting the dust concentration;
the filter membrane 6 can be quickly detached by manually detaching the upper annular tube sleeve 3 and the lower annular tube sleeve 4, the weight before the filter membrane 6 is placed and the weight after the filter membrane 6 is taken out are measured, and the dust concentration on the filter membrane 6 is calculated in a mode of the weight difference before and after the filter membrane 6.
In summary, in the scheme, an assembled filter membrane mechanism is adopted, so that the air flow blown out of the exhaust funnel 1 can be subjected to preliminary dust filtering, and the dust concentration of the exhaust funnel 1 in the real-time exhaust air filtered by the filter membrane 6 can be conveniently detected by a dust detector 13 arranged on the lower annular pipe sleeve 4 in a mode of detecting the electrostatic field strength by an electrostatic charge probe; the filter membrane 6 can detect the dust concentration on the filter membrane 6 in a front-rear weight difference metering mode after being quickly disassembled; the whole device structure is convenient for detecting the dust concentration in flowing air and is also convenient for disassembling and cleaning the filter membrane 6.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a detection device of aiutage dust concentration, includes aiutage (1), its characterized in that: the bottom end part of the exhaust funnel (1) is connected with an L-shaped air outlet pipe (2), and a filter membrane mechanism is arranged between the exhaust funnel (1) and the L-shaped air outlet pipe (2);
the filter membrane mechanism comprises an upper annular pipe sleeve (3), a lower annular pipe sleeve (4), a filter membrane clamping plate (5) and a filter membrane (6), wherein the upper annular pipe sleeve (3) is connected to a vertical downward air outlet port part of an exhaust funnel (1), the lower annular pipe sleeve (4) is connected to the bottom of the upper annular pipe sleeve (3) in a buckling manner, the filter membrane clamping plate (5) is arranged in a containing groove between the upper annular pipe sleeve (3) and the lower annular pipe sleeve (4), and the filter membrane (6) is arranged on the filter membrane clamping plate (5);
the filter membrane clamping plate is characterized in that a pressing plate piece (7) is arranged at the edges of the left side and the right side of the filter membrane clamping plate (5), a hollow sleeve (8) is arranged at the bottom end part of the pressing plate piece (7), the bottom end part of the hollow sleeve (8) is of a threaded rod structure, the pressing plate piece (7) and the hollow sleeve (8) are rotationally connected through a rotating ring (14), a round hole (9) is formed in the outer surface of the hollow sleeve (8), a bolt column (10) is arranged at the edges of the left side and the right side of the upper annular pipe sleeve (3), and an elastic rubber protrusion (11) is arranged on the outer surface of the bottom end part of the bolt column (10) penetrating through the upper annular pipe sleeve (3);
screw thread pipe sleeves (12) corresponding to the hollow sleeve (8) are arranged at the edges of the left side and the right side of the lower ring pipe sleeve (4), and a dust detector (13) is arranged on the inner wall of the lower ring pipe sleeve (4).
2. The exhaust stack dust concentration detection apparatus according to claim 1, wherein: the filter membrane (6) is tightly pressed and fixed at the central through hole of the filter membrane clamping plate (5) through the pressure plate (7), a gap exists between the filter membrane (6) and the lower ring pipe sleeve (4), the dust detector (13) comprises an electrostatic charge probe and a signal amplifier, and the electrostatic charge probe of the dust detector (13) is positioned at the gap between the filter membrane (6) and the lower ring pipe sleeve (4).
3. The exhaust stack dust concentration detection apparatus according to claim 1, wherein: the bolt post (10) is inserted into the hollow sleeve (8) of the filter membrane clamping plate (5) after penetrating through the upper ring sleeve (3), the elastic rubber bulge (11) on the outer surface of the bolt post (10) is fastened and fixed through the round hole (9) on the outer surface of the hollow sleeve (8), and the filter membrane clamping plate (5) is fixed through the threaded rod at the bottom end of the hollow sleeve (8) and the threaded sleeve (12) on the lower ring sleeve (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322215271.6U CN220650393U (en) | 2023-08-16 | 2023-08-16 | Detection device for dust concentration of exhaust funnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322215271.6U CN220650393U (en) | 2023-08-16 | 2023-08-16 | Detection device for dust concentration of exhaust funnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220650393U true CN220650393U (en) | 2024-03-22 |
Family
ID=90297513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322215271.6U Active CN220650393U (en) | 2023-08-16 | 2023-08-16 | Detection device for dust concentration of exhaust funnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220650393U (en) |
-
2023
- 2023-08-16 CN CN202322215271.6U patent/CN220650393U/en active Active
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