CN104699130A - Efficient dust intercepting device - Google Patents
Efficient dust intercepting device Download PDFInfo
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- CN104699130A CN104699130A CN201510032644.3A CN201510032644A CN104699130A CN 104699130 A CN104699130 A CN 104699130A CN 201510032644 A CN201510032644 A CN 201510032644A CN 104699130 A CN104699130 A CN 104699130A
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Abstract
The invention discloses an efficient dust intercepting device. The device is characterized by comprising a dust collecting channel (2), a dust collecting chamber (1) connected with an output of the dust collecting pipeline (2), an air blower (3) connected with the dust collecting channel (2), and a controller (4) connected with the air blower (3); the controller (4) comprises a transformer T, a rectifying filter voltage-stabilized circuit (5) connected with a secondary side of the transformer T, a sensing circuit (6) connected with the rectifying filter voltage-stabilized circuit (5), and a self-adjusting circuit (7) connected with the sensing circuit (6). According to the device, the controller is simple in structure, and high in sensitivity, and enables good dust removing effect of the dust intercepting device; meanwhile, the LBT-GCG1000 type dust concentration sensor is adopted, so that the measurement is fast and accurate, the detection sensitivity is high, the performance is stable, and the maintenance is simple.
Description
Technical field
The present invention relates to field of Environment Protection, specifically refer to a kind of high efficiency dust device for trapping.
Background technology
Along with the quickening of industrialization and urbanization process, China's atmospheric pollution is day by day serious, and atmosphere pollutants emission standards is increasingly strict.Therefore various enterprise widely uses fly-ash separator to control the dust and flue dust that have produced, to reach atmosphere pollutants emission standards.The mechanical dust of current use retains equipment and relies on mechanical force to be removed from air-flow by grit, and its structure is simple, but efficiency of dust collection is not high, and energy consumption during dedusting is higher, seriously governs dust removing effects.How improving the dust removing effects that dust retains equipment is people institute urgent problem.
Summary of the invention
The object of the invention is to solve current used dust device for trapping poor effect, and the defect that energy consumption is high, a kind of high efficiency dust device for trapping is provided.
Object of the present invention is by following technical proposals reality: a kind of high efficiency dust device for trapping, primarily of dust collection pipeline, the dust collection chamber be connected with dust collection duct output port, the blower fan be connected with dust collection pipeline, and the controller be connected with blower fan forms.Described controller is by transformer T, the rectification filtering voltage stabilizing circuit be connected with transformer T secondary, the sensing circuit be connected with rectification filtering voltage stabilizing circuit, the adaptive circuit be connected with sensing circuit, the Voltage-Controlled oscillation circuit be simultaneously connected with adaptive circuit with sensing circuit, the micro-control circuit be simultaneously connected with Voltage-Controlled oscillation circuit with sensing circuit, and form with the trigger starting circuit that Voltage-Controlled oscillation circuit is connected with adaptive circuit simultaneously.
Further described Voltage-Controlled oscillation circuit comprises polar capacitor C2, Sheffer stroke gate P1, Sheffer stroke gate P2, Sheffer stroke gate P3, Sheffer stroke gate P4, resistance R8, resistance R9, the positive pole of polar capacitor C2 is connected with sensing circuit, its negative pole is then connected with micro-control circuit, the normal phase input end of Sheffer stroke gate P1 is connected with the positive pole of polar capacitor C2, its inverting input is then connected with sensing circuit, its output terminal is connected with adaptive circuit, the normal phase input end of Sheffer stroke gate P2 is all connected with the output terminal of Sheffer stroke gate P1 with inverting input, its output terminal is connected with adaptive circuit, the normal phase input end of Sheffer stroke gate P3 is connected with the output terminal of Sheffer stroke gate P2, inverting input is then connected with micro-control circuit after resistance R8, output terminal is connected with adaptive circuit, the normal phase input end of Sheffer stroke gate P4 is connected with the output terminal of Sheffer stroke gate P3, inverting input is then connected with micro-control circuit after resistance R9, its output terminal is then connected with trigger starting circuit.
Described rectification filtering voltage stabilizing circuit comprises diode bridge rectifier U, resistance R1, polar capacitor C1, voltage stabilizing diode D1; Two input ends of described diode bridge rectifier U are connected with non-same polarity with the Same Name of Ends of transformer T secondary respectively, voltage stabilizing diode D1 is serially connected with between two output terminals of diode bridge rectifier U, the positive pole of polar capacitor C1 is connected with the N pole of voltage stabilizing diode D1 after resistance R1, negative pole is then connected with the P pole of voltage stabilizing diode D1, and the N pole of described voltage stabilizing diode D1 is also connected with sensing circuit with P pole.
Described sensing circuit comprises sensor of dust concentration A, resistance R2, resistance R3, resistance R4, diode D2; One end of resistance R3 is simultaneously with the P pole of voltage stabilizing diode D1 and micro-control circuit is connected, the other end is then connected with the N pole of voltage stabilizing diode D1 after sensor of dust concentration A through resistance R2 in turn, the P pole of diode D2 is connected with the normal phase input end of adaptive circuit and Sheffer stroke gate P1 simultaneously, its N pole is connected with the N pole of voltage stabilizing diode D1 and adaptive circuit simultaneously, resistance R4 and diode D2 is in parallel, and sensor of dust concentration A is also connected with the inverting input of Sheffer stroke gate P1 with the tie point of resistance R2.
Described adaptive circuit is by triode VT1, N pole is connected with the base stage of triode VT1, the diode D4 that P pole is then connected with the P pole of diode D2 after resistance R5, N pole is connected with the P pole of diode D4, the diode D3 that P pole is then connected with the normal phase input end of Sheffer stroke gate P2, be connected with the N pole of diode D2 and trigger starting circuit while of P pole, N pole is connected with the normal phase input end of Sheffer stroke gate P4, control the thyristor D6 of pole ground connection after resistance R7, N pole is connected with the control pole of thyristor D6, the diode D5 that P pole is then connected with the P pole of thyristor D6 after resistance R6 forms, the collector of described triode VT1 is connected with the P pole of diode D5, its emitter is connected with the normal phase input end of Sheffer stroke gate P3.
Described micro-control circuit is by triode VT2, thyristor D7, thyristor D9, negative pole is connected with the collector of triode VT2, the polar capacitor C5 that positive pole is connected with resistance R8, one end is connected with the emitter of triode VT2, the resistance R12 that the other end is connected with the N pole of thyristor D9, positive pole is connected with the base stage of triode VT2, the polar capacitor C4 that negative pole is then connected with the control pole of thyristor D9 after resistance R11, N pole is connected with the N pole of thyristor D9 after polar capacitor C3, the diode D10 that P pole is then connected with the N pole of thyristor D7 after resistance R10, and P pole is connected with the P pole of thyristor D7, the diode D8 that N pole is connected with the control pole of thyristor D7 forms, the P pole of described thyristor D7 is connected with the negative pole of polar capacitor C2, its N pole is also connected with resistance R9, and the P pole of thyristor D9 is connected with the P pole of thyristor D7, N pole is connected with the P pole of voltage stabilizing diode D1.
Described trigger starting circuit is by triode VT3, triode VT4, one end is connected with the base stage of triode VT3, the resistance R17 that the other end is then connected with the output terminal of Sheffer stroke gate P4, positive pole is connected with the output terminal of Sheffer stroke gate P4, the polar capacitor C6 that negative pole is connected with the emitter of triode VT3, negative pole is connected with the base stage of triode VT4, the polar capacitor C7 that positive pole is then connected with the P pole of thyristor D6 after resistance R13, one end is connected with the base stage of triode VT4, the resistance R14 that the other end is connected with the P pole of thyristor D6, and one end is connected with the collector of triode VT4, the resistance R15 that the other end is connected with the P pole of thyristor D6 forms, the collector of described triode VT3 is connected with the emitter of triode VT4.
Described sensor of dust concentration A is LBT-GCG1000 type sensor of dust concentration.
The present invention compared with prior art has the following advantages and beneficial effect:
1, the structure of controller of the present invention is simple, and highly sensitive, and the dust removing effects of dust device for trapping can be made better.
2, the present invention adopt LBT-GCG1000 type sensor of dust concentration its measure quick and precisely, high, the stable performance of detection sensitivity, maintenance be simple.
3, the present invention automatically can start when detecting that dust concentration exceeds standard and carry out dedusting, can automatically quit work after dust processes, saves energy.
Accompanying drawing explanation
Fig. 1 is one-piece construction schematic diagram of the present invention;
Fig. 2 is the electrical block diagram of controller of the present invention.
Reference numeral in above accompanying drawing is:
1-dust collection chamber, 2-dust collection pipeline, 3-blower fan, 4-controller, 5-rectification filtering voltage stabilizing circuit, 6-sensing circuit, 7-adaptive circuit, 8-Voltage-Controlled oscillation circuit, 9-micro-control circuit, 10-trigger starting circuit.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment
As shown in Figure 1, the present invention is primarily of dust collection pipeline 2, and for filling the dust collection chamber 1 of dust, blower fan 3, the controller 4 controlling the work of dust device for trapping forms.This dust collection chamber 1 is connected with the delivery outlet of dust collection pipeline 2, and blower fan 3 is connected with dust collection pipeline 2, and controller 4 is then connected with blower fan 3.
In order to solve the inefficiency that dust at present device for trapping exists, and the defect that energy consumption is high, as shown in Figure 2, this controller 4 is provided with transformer T, the rectification filtering voltage stabilizing circuit 5 be connected with transformer T secondary, the sensing circuit 6 be connected with rectification filtering voltage stabilizing circuit 5, the adaptive circuit 7 be connected with sensing circuit 6, the Voltage-Controlled oscillation circuit 8 be simultaneously connected with adaptive circuit 7 with sensing circuit 6, the micro-control circuit 9 be simultaneously connected with Voltage-Controlled oscillation circuit 8 with sensing circuit 6, and the trigger starting circuit 10 be simultaneously connected with adaptive circuit 7 with Voltage-Controlled oscillation circuit 8.
Suitable voltage is obtained through the transformation process of transformer T after the line voltage input of 220V, this voltage flows to rectification filtering voltage stabilizing circuit 5 from transformer T secondary, carry out rectifying and wave-filtering and voltage stabilizing process by rectification filtering voltage stabilizing circuit 5, thus obtain the operating voltage of smooth steady.This rectification filtering voltage stabilizing circuit 5 comprises diode bridge rectifier U, resistance R1, polar capacitor C1, voltage stabilizing diode D1.During connection, two input ends of diode bridge rectifier U are connected with non-same polarity with the Same Name of Ends of transformer T secondary respectively, voltage stabilizing diode D1 is serially connected with between two output terminals of diode bridge rectifier U, the positive pole of polar capacitor C1 is connected with the N pole of voltage stabilizing diode D1 after resistance R1, negative pole is then connected with the P pole of voltage stabilizing diode D1, and the N pole of described voltage stabilizing diode D1 is also connected with sensing circuit 6 with P pole.
Sensing circuit 6 is provided with in controller, can dust concentration in testing environment, and be converted to signal and flow to subsequent conditioning circuit, thus start dust device for trapping and carry out dedusting.This sensing circuit 6 comprises the sensor of dust concentration A be arranged near dust collection pipeline 2 dust collection mouth, resistance R2, resistance R3, resistance R4, diode D2.One end of resistance R3 is simultaneously with the P pole of voltage stabilizing diode D1 and micro-control circuit 9 is connected, the other end is then connected with the N pole of voltage stabilizing diode D1 after sensor of dust concentration A through resistance R2 in turn, the P pole of diode D2 is connected with adaptive circuit 7 and Voltage-Controlled oscillation circuit 8 simultaneously, its N pole is connected with the N pole of voltage stabilizing diode D1 and adaptive circuit 7 simultaneously, resistance R4 and diode D2 is in parallel, and sensor of dust concentration A is also connected with Voltage-Controlled oscillation circuit 8 with the tie point of resistance R2.In order to better implement the present invention, the LBT-GCG1000 type sensor of dust concentration that during this sensor of dust concentration A is preferably, science and technology Beijing company limited in the work world produces, it utilizes anaclasis principle to detect dust, carry out computing by microprocessor to detection data directly show bug dust concentration and convert data-signal output to, have measurement quick and precisely, the feature such as high, the stable performance of detection sensitivity, maintenance be simple, be applicable to colliery and other has the operating environment of explosion hazard or common workshop.
Adaptive circuit 7 then can adjust signal, it is by triode VT1, N pole is connected with the base stage of triode VT1, the diode D4 that P pole is then connected with the P pole of diode D2 after resistance R5, N pole is connected with the P pole of diode D4, the diode D3 that P pole is then connected with Voltage-Controlled oscillation circuit 8, be connected with the N pole of diode D2 and trigger starting circuit 10 while of P pole, N pole is connected with Voltage-Controlled oscillation circuit 8, control the thyristor D6 of pole ground connection after resistance R7, N pole is connected with the control pole of thyristor D6, the diode D5 that P pole is then connected with the P pole of thyristor D6 after resistance R6 forms.The collector of this triode VT1 is connected with the P pole of diode D5 simultaneously, its emitter is connected with Voltage-Controlled oscillation circuit 8.
This Voltage-Controlled oscillation circuit 8 comprises polar capacitor C2, Sheffer stroke gate P1, Sheffer stroke gate P2, Sheffer stroke gate P3, Sheffer stroke gate P4, resistance R8, resistance R9.During connection, the positive pole of polar capacitor C2 is connected with the P pole of diode D2, its negative pole is then connected with micro-control circuit 9, the normal phase input end of Sheffer stroke gate P1 is connected with the positive pole of polar capacitor C2, its inverting input is then connected with the tie point of sensor of dust concentration A with resistance R2, its output terminal is connected with the P pole of diode D3, the normal phase input end of Sheffer stroke gate P2 is all connected with the output terminal of Sheffer stroke gate P1 with inverting input, its output terminal is connected with the emitter of triode VT1, the normal phase input end of Sheffer stroke gate P3 is connected with the output terminal of Sheffer stroke gate P2, inverting input is then connected with micro-control circuit 9 after resistance R8, output terminal is connected with the N pole of thyristor D6, the normal phase input end of Sheffer stroke gate P4 is connected with the output terminal of Sheffer stroke gate P3, inverting input is then connected with micro-control circuit 9 after resistance R9, its output terminal is then connected with trigger starting circuit 10.
9, micro-control circuit is by triode VT2, thyristor D7, thyristor D9, negative pole is connected with the collector of triode VT2, the polar capacitor C5 that positive pole is connected with resistance R8, one end is connected with the emitter of triode VT2, the resistance R12 that the other end is connected with the N pole of thyristor D9, positive pole is connected with the base stage of triode VT2, the polar capacitor C4 that negative pole is then connected with the control pole of thyristor D9 after resistance R11, N pole is connected with the N pole of thyristor D9 after polar capacitor C3, the diode D10 that P pole is then connected with the N pole of thyristor D7 after resistance R10, and P pole is connected with the P pole of thyristor D7, the diode D8 that N pole is connected with the control pole of thyristor D7 forms.The P pole of this thyristor D7 is connected with the negative pole of polar capacitor C2, its N pole is also connected with resistance R9, and the P pole of thyristor D9 is connected with the P pole of thyristor D7, N pole is connected with the P pole of voltage stabilizing diode D1.
Trigger starting circuit 10 is by triode VT3, triode VT4, one end is connected with the base stage of triode VT3, the resistance R17 that the other end is then connected with the output terminal of Sheffer stroke gate P4, positive pole is connected with the output terminal of Sheffer stroke gate P4, the polar capacitor C6 that negative pole is connected with the emitter of triode VT3, negative pole is connected with the base stage of triode VT4, the polar capacitor C7 that positive pole is then connected with the P pole of thyristor D6 after resistance R13, one end is connected with the base stage of triode VT4, the resistance R14 that the other end is connected with the P pole of thyristor D6, and one end is connected with the collector of triode VT4, the resistance R15 that the other end is connected with the P pole of thyristor D6 forms.The collector of described triode VT3 is connected with the emitter of triode VT4, and the tie point of resistance R15 and resistance R14 and the emitter of triode VT4 are then as circuit output end, and it is connected with blower fan 3.
During work, when the dust concentration that sensor of dust concentration A detects does not exceed setting value, by Sheffer stroke gate P1, the multivibrator not starting of oscillation that Sheffer stroke gate P2, Sheffer stroke gate P3, Sheffer stroke gate P4 are formed, triode VT3 is in cut-off state, and at this moment blower fan 3 does not work.When the dust concentration that sensor of dust concentration A detects exceedes setting value, the inverting input of Sheffer stroke gate P1 is in electronegative potential normal phase input end, and to be in noble potential, output terminal be then low level, high level is become again after Sheffer stroke gate P2 is anti-phase, Sheffer stroke gate P1, Sheffer stroke gate P2, the multivibrator that Sheffer stroke gate P3, Sheffer stroke gate P4 are formed starts starting of oscillation, triode VT3 conducting.At this moment blower fan 3 obtains electric work, and dust device for trapping starts to enter dust removal state.Due to the suction of blower fan 3, dust granules enters from the collection mouth of dust collection pipeline 2, then enters in dust collection chamber 1 from delivery outlet and complete dust collection.After dedusting, the dust granules concentration in air drops to below setting value, and at this moment dust device for trapping quits work automatically.
As mentioned above, just well the present invention can be realized.
Claims (7)
1. a high efficiency dust device for trapping, it is characterized in that: primarily of dust collection pipeline (2), the dust collection chamber (1) be connected with dust collection pipeline (2) delivery outlet, the blower fan (3) be connected with dust collection pipeline (2), and the controller (4) be connected with blower fan (3) forms, described controller (4) is by transformer T, the rectification filtering voltage stabilizing circuit (5) be connected with transformer T secondary, the sensing circuit (6) be connected with rectification filtering voltage stabilizing circuit (5), the adaptive circuit (7) be connected with sensing circuit (6), the Voltage-Controlled oscillation circuit (8) be simultaneously connected with adaptive circuit (7) with sensing circuit (6), the micro-control circuit (9) be simultaneously connected with Voltage-Controlled oscillation circuit (8) with sensing circuit (6), and form with the trigger starting circuit (10) that Voltage-Controlled oscillation circuit (8) is connected with adaptive circuit (7) simultaneously, described Voltage-Controlled oscillation circuit (8) comprises polar capacitor C2, Sheffer stroke gate P1, Sheffer stroke gate P2, Sheffer stroke gate P3, Sheffer stroke gate P4, resistance R8, resistance R9, the positive pole of polar capacitor C2 is connected with sensing circuit (6), its negative pole is then connected with micro-control circuit (9), the normal phase input end of Sheffer stroke gate P1 is connected with the positive pole of polar capacitor C2, its inverting input is then connected with sensing circuit (6), its output terminal is connected with adaptive circuit (7), the normal phase input end of Sheffer stroke gate P2 is all connected with the output terminal of Sheffer stroke gate P1 with inverting input, its output terminal is connected with adaptive circuit (7), the normal phase input end of Sheffer stroke gate P3 is connected with the output terminal of Sheffer stroke gate P2, inverting input is then connected with micro-control circuit (9) after resistance R8, output terminal is connected with adaptive circuit (7), the normal phase input end of Sheffer stroke gate P4 is connected with the output terminal of Sheffer stroke gate P3, inverting input is then connected with micro-control circuit (9) after resistance R9, its output terminal is then connected with trigger starting circuit (10).
2. a kind of high efficiency dust device for trapping according to claim 1, is characterized in that: described rectification filtering voltage stabilizing circuit (5) comprises diode bridge rectifier U, resistance R1, polar capacitor C1, voltage stabilizing diode D1; Two input ends of described diode bridge rectifier U are connected with non-same polarity with the Same Name of Ends of transformer T secondary respectively, voltage stabilizing diode D1 is serially connected with between two output terminals of diode bridge rectifier U, the positive pole of polar capacitor C1 is connected with the N pole of voltage stabilizing diode D1 after resistance R1, negative pole is then connected with the P pole of voltage stabilizing diode D1, and the N pole of described voltage stabilizing diode D1 is also connected with sensing circuit (6) with P pole.
3. a kind of high efficiency dust device for trapping according to claim 2, is characterized in that: described sensing circuit (6) comprises sensor of dust concentration A, resistance R2, resistance R3, resistance R4, diode D2; One end of resistance R3 is simultaneously with the P pole of voltage stabilizing diode D1 and micro-control circuit (9) is connected, the other end is then connected with the N pole of voltage stabilizing diode D1 after sensor of dust concentration A through resistance R2 in turn, the P pole of diode D2 is connected with the normal phase input end of adaptive circuit (7) and Sheffer stroke gate P1 simultaneously, its N pole is connected with the N pole of voltage stabilizing diode D1 and adaptive circuit (7) simultaneously, resistance R4 and diode D2 is in parallel, and sensor of dust concentration A is also connected with the inverting input of Sheffer stroke gate P1 with the tie point of resistance R2.
4. a kind of high efficiency dust device for trapping according to claim 3, it is characterized in that: described adaptive circuit (7) is by triode VT1, N pole is connected with the base stage of triode VT1, the diode D4 that P pole is then connected with the P pole of diode D2 after resistance R5, N pole is connected with the P pole of diode D4, the diode D3 that P pole is then connected with the normal phase input end of Sheffer stroke gate P2, be connected with the N pole of diode D2 and trigger starting circuit (10) while of P pole, N pole is connected with the normal phase input end of Sheffer stroke gate P4, control the thyristor D6 of pole ground connection after resistance R7, N pole is connected with the control pole of thyristor D6, the diode D5 that P pole is then connected with the P pole of thyristor D6 after resistance R6 forms, the collector of described triode VT1 is connected with the P pole of diode D5, its emitter is connected with the normal phase input end of Sheffer stroke gate P3.
5. a kind of high efficiency dust device for trapping according to claim 4, it is characterized in that: described micro-control circuit (9) is by triode VT2, thyristor D7, thyristor D9, negative pole is connected with the collector of triode VT2, the polar capacitor C5 that positive pole is connected with resistance R8, one end is connected with the emitter of triode VT2, the resistance R12 that the other end is connected with the N pole of thyristor D9, positive pole is connected with the base stage of triode VT2, the polar capacitor C4 that negative pole is then connected with the control pole of thyristor D9 after resistance R11, N pole is connected with the N pole of thyristor D9 after polar capacitor C3, the diode D10 that P pole is then connected with the N pole of thyristor D7 after resistance R10, and P pole is connected with the P pole of thyristor D7, the diode D8 that N pole is connected with the control pole of thyristor D7 forms, the P pole of described thyristor D7 is connected with the negative pole of polar capacitor C2, its N pole is also connected with resistance R9, and the P pole of thyristor D9 is connected with the P pole of thyristor D7, N pole is connected with the P pole of voltage stabilizing diode D1.
6. a kind of high efficiency dust device for trapping according to claim 5, it is characterized in that: described trigger starting circuit (10) is by triode VT3, triode VT4, one end is connected with the base stage of triode VT3, the resistance R17 that the other end is then connected with the output terminal of Sheffer stroke gate P4, positive pole is connected with the output terminal of Sheffer stroke gate P4, the polar capacitor C6 that negative pole is connected with the emitter of triode VT3, negative pole is connected with the base stage of triode VT4, the polar capacitor C7 that positive pole is then connected with the P pole of thyristor D6 after resistance R13, one end is connected with the base stage of triode VT4, the resistance R14 that the other end is connected with the P pole of thyristor D6, and one end is connected with the collector of triode VT4, the resistance R15 that the other end is connected with the P pole of thyristor D6 forms, the collector of described triode VT3 is connected with the emitter of triode VT4.
7. a kind of high efficiency dust device for trapping according to any one of claim 3 ~ 6, is characterized in that: described sensor of dust concentration A is LBT-GCG1000 type sensor of dust concentration.
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| CN201510032644.3A CN104699130B (en) | 2015-01-22 | 2015-01-22 | Efficient dust intercepting device |
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| CN201510032644.3A CN104699130B (en) | 2015-01-22 | 2015-01-22 | Efficient dust intercepting device |
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| CN104699130B CN104699130B (en) | 2017-05-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115617086A (en) * | 2022-11-08 | 2023-01-17 | 四川兆纪光电科技有限公司 | Workshop dust detection and control device |
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Denomination of invention: A high-efficiency dust retention device Effective date of registration: 20220810 Granted publication date: 20170510 Pledgee: Chengdu SME financing Company Limited by Guarantee Pledgor: SICHUAN YANGZISEN ENVIRONMENTAL PROTECTION EQUIPMENT Co.,Ltd. Registration number: Y2022980012253 |