CN111257182A - Raise dust detection device for construction - Google Patents
Raise dust detection device for construction Download PDFInfo
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- CN111257182A CN111257182A CN202010104768.9A CN202010104768A CN111257182A CN 111257182 A CN111257182 A CN 111257182A CN 202010104768 A CN202010104768 A CN 202010104768A CN 111257182 A CN111257182 A CN 111257182A
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- 239000000428 dust Substances 0.000 title claims abstract description 135
- 238000001514 detection method Methods 0.000 title claims abstract description 81
- 238000010276 construction Methods 0.000 title description 5
- 238000009435 building construction Methods 0.000 claims abstract description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 30
- 229910052757 nitrogen Inorganic materials 0.000 claims description 15
- 238000007664 blowing Methods 0.000 claims description 14
- 238000009423 ventilation Methods 0.000 claims description 13
- 238000005259 measurement Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 5
- 238000012360 testing method Methods 0.000 abstract description 5
- 239000002245 particle Substances 0.000 abstract description 4
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- 238000010926 purge Methods 0.000 description 10
- 210000003128 head Anatomy 0.000 description 5
- 239000000523 sample Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 206010058467 Lung neoplasm malignant Diseases 0.000 description 1
- 208000012902 Nervous system disease Diseases 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 201000005202 lung cancer Diseases 0.000 description 1
- 230000004199 lung function Effects 0.000 description 1
- 208000020816 lung neoplasm Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003928 nasal cavity Anatomy 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
- G01N15/0606—Investigating concentration of particle suspensions by collecting particles on a support
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- General Health & Medical Sciences (AREA)
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Abstract
A raise dust detection device for building construction comprises a case, a fan and a dust collection pipe, wherein a dust inlet is formed in the case, one end of the dust collection pipe is connected with the dust inlet, the other end of the dust collection pipe is communicated with the outside, and the fan is arranged on the dust collection pipe; the machine case includes and follows supreme detection chamber and the feeding chamber of being provided with down, the feeding chamber includes the inlet pipe of spiral setting, the one end of inlet pipe links to each other with dust inlet, and the other end is connected to the detection chamber, it is provided with the detection sensor to detect the intracavity, at first through the dust absorption of multiple spot, adsorbs the dust in the air on the widest range, and later the inlet pipe of spiral setting carries out the vortex form with the air current and flows the guide, makes its internal suspended particles distribute more evenly to finally obtain even gas in detecting the intracavity, detect the sensor can the multiple spot test, and finally gain the most accurate structure, and convenient test, simple structure, the effect is ideal.
Description
Technical Field
The invention relates to the technical field of buildings, in particular to a raise dust detection device for building construction.
Background
With the acceleration of urban development pace and the rapid development of urban construction industry, the area of an urban built-up area is continuously enlarged, and raised dust caused by building construction becomes one of main pollution sources of inhalable particulate pollution. The building dust can enter the lung through the nasal cavity and the throat, and the lung function change, nervous system diseases, lung cancer and the like are caused. Many germs and viruses are attached to the dust surface, and various epidemic diseases can be transmitted through the air. Most building construction sites do not have corresponding raise dust collection device, and the raise dust problem is general more serious. Therefore, need set up building raise dust detection device to the processing of the structure according to detecting comes the selection raise dust, reduces the harm of raise dust.
In the prior art, for example, the name of patent No. 201820119752.3 is "building dust collection and detection device", which includes a support column, a placement plate, a collection box, a sealing cover, a first fan, a dust collection head, an interception dust collection net structure, a protection water spray pipe structure, a detection collection box structure, a cleaning box structure, a fixed base structure and a dust collection pipe, wherein the lower end of the support column is welded at the upper right part of the fixed base structure, and the upper end of the support column is welded with the placement plate; the collecting box is arranged on the inner side of the supporting column and sealed by a sealing cover. Generally, the dust is detected through direct dust collection, the detection mode is not uniform, accurate detection cannot be achieved, the detection result may have deviation, subsequent work is influenced, other existing solutions adopt a spiral air conveying pipeline to achieve uniformity and smoothness of air flow so as to reduce jump influence of uneven air flow on a sensor measuring scale value, but the spiral structure is long in stroke of the inner wall of the pipeline, dust is easily gathered, the measurement accuracy is not consistent at different positions and different moments, in addition, the existing detection equipment only considers zero blowing operation of the sensor and an inner pipeline, and magazine removal of the air inlet pipeline is not considered, so that the detection accuracy of the whole detection device cannot be effectively guaranteed.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the raise dust detection device for building construction, which has the advantages of compact structure, firm matching and high precision.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a raise dust detection device for building construction comprises a case, a fan and a dust collection pipe, wherein a dust inlet is formed in the case, one end of the dust collection pipe is connected with the dust inlet, the other end of the dust collection pipe is communicated with the outside, and the fan is arranged on the dust collection pipe;
the machine case comprises a detection cavity and a feeding cavity which are arranged from bottom to top, the feeding cavity comprises a feeding pipe which is spirally arranged, one end of the feeding pipe is connected with a dust inlet, the other end of the feeding pipe is connected to the detection cavity, a detection sensor is arranged in the detection cavity, the bottom of the spiral feeding pipe is fixedly connected to a transverse plate with an air inlet, the transverse plate is connected to the inner wall of a case body in a sliding manner, a magnet block is embedded in the transverse plate, and ventilation holes are formed in the case body and positioned on two sides of the detection;
a plurality of small dust collecting pipes laid in parallel at different heights are arranged on one side of the dust collecting pipe, a nitrogen interface pipe is also arranged at the bottom of the small dust collecting pipe, each small dust collecting pipe and the nitrogen interface pipe are connected to the dust collecting pipe through a hollow collecting pipe, the hollow collecting pipe is fixed on the frame, and electromagnetic valves are arranged on the connecting interfaces of each small dust collecting pipe, the nitrogen interface pipe and the hollow collecting pipe and between the dust collecting pipe and the dust inlet;
the detection device comprises a chassis, a detection sensor, a slide rail, a driving motor, a lead screw and a guide rail, wherein the chassis is provided with the driving motor, the driving motor is fixed on the chassis, the driving end of the driving motor is connected with the lead screw, the lead screw is arranged on a detection cavity in a crossing manner, a moving frame is fixed below the detection sensor, a threaded hole matched with the lead screw is arranged in the moving frame, the slide rail is transversely arranged at the bottom of the detection cavity, the moving frame is provided with a clamping groove, the moving frame is arranged on the guide rail in a sliding manner through the matching of the clamping groove and the guide rail, the upper surfaces of the moving frames positioned at two sides of the detection sensor are respectively provided with an electromagnet, the driving motor;
before each measurement, firstly entering a pre-blowing mode, firstly closing electromagnetic valves between a dust collecting pipe and a dust inlet and between an air interface pipe and a hollow collecting pipe, opening a nitrogen source, then sequentially opening the electromagnetic valves between each dust collecting small pipe and the hollow collecting pipe, purging each air inlet dust collecting small pipe, closing each dust collecting small pipe after purging in the process, then opening the electromagnetic valve close to the dust collecting small pipe, after purging all the dust collecting small pipes, opening a driving motor to enable a detection sensor to move to be right below an air inlet of a transverse plate, then closing the driving motor, opening the electromagnetic valves between the dust collecting pipe and the dust inlet, simultaneously opening a vent hole and an electromagnet on a moving frame, enabling the electromagnet to adsorb the transverse plate to descend, and enabling a spiral structure of a feeding pipe to extend nearly linearly due to descending.
In this embodiment, the driving motor is a servo motor or a stepping motor.
In order to ensure the ventilation of the case, the invention has the improvement that the case is provided with ventilation holes at two sides of the detection cavity, and the case is provided with a door for closing the ventilation holes.
In order to facilitate the cleaning of the whole case, the invention has the improvement that a vent is arranged at the bottom of the case corresponding to one side of the detection cavity.
(III) advantageous effects
Compared with the prior art, the invention provides a raise dust detection device for building construction, which has the following beneficial effects: 1. the time-sharing calibration of the air inlet pipeline, the air conveying pipeline and the sensor head is realized by the same air channel through the electromagnetic valve, the spiral air conveying pipeline, the air inlet pipes, the external nitrogen source and the left-right sliding of the sensor probe, and the spiral pipeline can be stretched into an approximately straight line by means of external force in a pre-blowing mode on the basis of realizing the uniform error reduction of the air channel, so that the blowing effect is enhanced, and the error is further reduced;
2. novel construction raise dust detection device of structure at first through the dust absorption of multiple spot, and the dust to in the air on the widest range adsorbs, and later the inlet pipe of spiral setting carries out the vortex form with the air current and flows the guide, makes its internal suspended particles distribution more even to finally obtain even gas in detecting the intracavity, the detection sensor can the multiple spot test, and finally gain the most accurate structure, and the test is convenient, simple structure, and the effect is ideal.
Drawings
Fig. 1 is a schematic structural view of a dust detection device for building construction according to the present invention.
In the figure: 1-a chassis; 2-dust collecting pipe; 3-a dust inlet; 4-a feed pipe; 5-a detection sensor; 6-dust collecting small pipe; 7-driving a motor; 8-a lead screw; 9-a guide rail; 10-a moving rack; 11-Vent hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a raise dust detection device for building construction, which comprises a case 1, a fan and a dust collection pipe 2, wherein a dust inlet 3 is formed in the case 1, one end of the dust collection pipe 2 is connected with the dust inlet 3, the other end of the dust collection pipe 2 is communicated with the outside, and the fan is arranged on the dust collection pipe 2;
the machine case 1 comprises a detection cavity and a feeding cavity which are arranged from bottom to top, the feeding cavity comprises a feeding pipe 4 which is spirally arranged, one end of the feeding pipe 4 is connected with a dust inlet 3, the other end of the feeding pipe is connected to the detection cavity, a detection sensor 5 is arranged in the detection cavity, the bottom of the spiral feeding pipe 4 is fixedly connected to a transverse plate with an air inlet, the transverse plate is connected to the inner wall of a case body of the machine case 1 in a sliding manner, a magnet block is embedded in the transverse plate, and ventilation holes 11 are formed in the machine case 1 and positioned on two;
a plurality of small dust collecting pipes 6 which are laid in parallel and have different heights are arranged on one side of the dust collecting pipe 2, a nitrogen interface pipe is also arranged at the bottom of each small dust collecting pipe 6, each small dust collecting pipe 6 and each nitrogen interface pipe are connected to the dust collecting pipe 2 through a hollow collecting pipe, the hollow collecting pipe is fixed on a rack, electromagnetic valves are arranged on the connecting interfaces of each small dust collecting pipe 6, each nitrogen interface pipe and each hollow collecting pipe, and electromagnetic valves are arranged between the dust collecting pipe 2 and the dust inlet 3;
the detection device is characterized in that a driving motor 7, a lead screw 8 and a guide rail 9 are arranged on the case 1, the driving motor 7 is fixed on the case 1, the driving end of the driving motor 7 is connected with the lead screw 8, the lead screw 8 spans on a detection cavity, a moving frame 10 is fixed below the detection sensor 5, a threaded hole matched with the lead screw 8 is formed in the moving frame 10, the slide rail is transversely arranged at the bottom of the detection cavity, a clamping groove is formed in the moving frame 10, the moving frame 10 is slidably arranged on the guide rail 9 through the matching of the clamping groove and the guide rail 9, electromagnets are respectively arranged on the upper surfaces of the moving frames 10 positioned at two sides of the detection sensor 5, the driving motor 7, the electromagnets and the electromagnetic valves are connected to a control unit, and the control unit works in a detection;
before each measurement, firstly entering a pre-blowing mode, firstly closing the electromagnetic valves between the dust collecting pipe 2 and the dust inlet 3 and between the air interface pipe and the hollow collecting pipe, opening a nitrogen source, then sequentially opening the electromagnetic valves between each small dust collecting pipe 6 and the hollow collecting pipe, purging each small air inlet dust collecting pipe 6, in the process, closing each small dust collecting pipe 6 after purging is finished, then opening the electromagnetic valve close to the small dust collecting pipe 6, after purging all the small dust collecting pipes 6 is finished, opening the driving motor 7 to enable the detection sensor 5 to move to be right below an air inlet of the transverse plate, then closing the driving motor, opening the electromagnetic valves between the dust collecting pipe 2 and the dust inlet 3, simultaneously opening the air vent 11 and the electromagnet on the moving frame 10, enabling the transverse plate to be adsorbed by the electromagnet to descend, and enabling the spiral structure of the feeding pipe 4 to extend to be approximately in a straight line.
Novel raise dust detection device for construction of structure, during the use, at first the fan begins to start, it collects external air and raise dust to drive pipe 2 that gathers dust, later the raise dust enters into the feeding intracavity through dust inlet 3, the feeding chamber is a spiral setting, can realize the swirl form flow guide of air current through cyclic annular air flue, thereby make the suspended particles distribution in the air current comparatively even, and the air current through inlet pipe 4 does not have the gaseous phenomenon in the cyclic annular air flue of backward flow interference, ensure to detect the precision.
And then the airflow is transmitted to the detection cavity, and the probe in the detection cavity acquires data and feeds back the data.
In the embodiment, the dust collecting pipe 2 is provided with a plurality of small dust collecting pipes 6 with different heights, and the small dust collecting pipes 6 are fixed on the frame and used for collecting dust with different heights, so that a final detection structure is more accurate and reliable.
In this embodiment, be provided with driving motor 7, lead screw 8 and guide rail 9 on quick-witted case 1, driving motor 7 fixes on quick-witted case 1, and lead screw 8 is connected to driving motor 7's drive end, lead screw 8 strides and establishes on detecting the chamber, it is fixed with removal frame 10 to detect sensor 5 below, be provided with adaptation lead screw 8's screw hole in the removal frame 10, the slide rail is violently established in detecting the chamber bottom, remove the draw-in groove that is provided with on the frame 10, make removal frame 10 slidable through the cooperation of draw-in groove and guide rail 9 and set up on guide rail 9.
When driving motor 7 began to rotate, the lead screw rotated, through the cooperation of lead screw 8 with the screw hole, converted into linear motion with rotating, just can control detection sensor 5 back-and-forth movement through driving motor 7's forward pass and reversal, detected the intracavity different positions, and detection sensor 5 just can realize the detection of horizontal a plurality of positions, obtains comprehensive data collection, and the testing result is more accurate.
The detection sensor 5 is of a traditional structure, and the detection sensor 5 is connected with an external statistical device through a connecting wire.
The driving motor 7 is a servo motor or a stepping motor, and can be a common motor in the market.
In this embodiment, ventilation holes 11 are disposed on two sides of the detection cavity of the case 1, and a door for closing the ventilation holes is disposed on the case 1.
After the detection is finished, the door can be opened to allow the ventilation openings to circulate, dust in the detection cavity is discharged, the detection precision of the next detection is ensured, further, one ventilation opening is arranged at the bottom of the case 1 corresponding to one side of the detection cavity, before the detection mode is executed each time, the pre-blowing mode is firstly entered, firstly, electromagnetic valves between the dust collecting pipe 2 and the dust inlet 3 and between the air interface pipe and the hollow collecting pipe are closed, a nitrogen source is opened, then, the electromagnetic valves between each small dust collecting pipe 6 and the hollow collecting pipe are sequentially opened, the purging of each small air inlet dust collecting pipe 6 is carried out, in the process, after the purging of each small dust collecting pipe 6 is finished, the electromagnetic valve close to the small dust collecting pipe 6 is opened, after the purging of all the small dust collecting pipes 6 is finished, the driving motor 7 is opened, so that the detection sensor 5 moves to be under the air inlet of the transverse plate, the electromagnetic valve between the dust collection pipe 2 and the dust inlet 3 is opened, the vent hole 11 and the electromagnet on the movable frame 10 are opened, the electromagnet adsorbs a transverse plate to descend, the descending causes the spiral structure of the feeding pipe 4 to extend to be nearly a straight line, the whole box body is cleaned and then discharged through the vent hole, the box body is ensured to be cleaned and accurately detected next time, the purging structure design of the invention can clear all structural components which are adsorbed by particles after last measurement, the rapid and accurate measurement can be ensured anytime and anywhere, the time-sharing calibration of the air inlet pipeline, the air inlet pipeline and the sensor head can be realized by the electromagnetic valve, the spiral air inlet pipeline, the plurality of air inlet pipes, the external nitrogen source and the left-right sliding of the sensor probe through the electromagnetic valve, the spiral air pipeline, the air inlet pipeline and the sensor head, and the design of the spiral pipeline is on the basis of realizing the uniform air, and the blowing effect can be enhanced and the error can be further reduced by stretching the blowing head into an almost straight line under the pre-blowing mode by means of external force.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The raise dust detection device for building construction is characterized by comprising a case (1), a fan and a dust collection pipe (2), wherein a dust inlet (3) is formed in the case (1), one end of the dust collection pipe (2) is connected with the dust inlet (3), the other end of the dust collection pipe (2) is communicated with the outside, and the fan is arranged on the dust collection pipe (2);
the machine case (1) comprises a detection chamber and a feeding chamber which are arranged from bottom to top, the feeding chamber comprises a feeding pipe (4) which is spirally arranged, one end of the feeding pipe (4) is connected with a dust inlet (3), the other end of the feeding pipe is connected to the detection chamber, a detection sensor (5) is arranged in the detection chamber, the bottom of the spiral feeding pipe (4) is fixedly connected to a transverse plate with an air inlet, the transverse plate is connected to the inner wall of a case body of the machine case (1) in a sliding mode, a magnet block is embedded in the transverse plate, and ventilation holes (11) are formed in the machine case (1) and located;
a plurality of small dust collecting pipes (6) which are laid in parallel and have different heights are arranged on one side of the dust collecting pipe (2), a nitrogen interface pipe is further arranged at the bottom of the small dust collecting pipe (6), each small dust collecting pipe (6) and the nitrogen interface pipe are connected to the dust collecting pipe (2) through a hollow collecting pipe, the hollow collecting pipe is fixed on the frame, electromagnetic valves are arranged on the connecting interfaces of each small dust collecting pipe (6), the nitrogen interface pipe and the hollow collecting pipe, and the electromagnetic valves are arranged between the dust collecting pipe (2) and the dust inlet (3);
the machine case (1) is provided with a driving motor (7), a lead screw (8) and a guide rail (9), the driving motor (7) is fixed on the case (1), the driving end of the driving motor (7) is connected with a screw rod (8), the screw rod (8) is arranged on the detection cavity in a spanning manner, a movable frame (10) is fixed below the detection sensor (5), a threaded hole matched with the screw rod (8) is arranged in the movable frame (10), the slide rail is transversely arranged at the bottom of the detection cavity, a clamping groove is arranged on the movable frame (10), the movable frame (10) can be arranged on the guide rail (9) in a sliding way through the matching of the clamping groove and the guide rail (9), the upper surfaces of the movable frames (10) positioned at the two sides of the detection sensor (5) are respectively provided with an electromagnet, the driving motor (7), the electromagnet and the electromagnetic valves are connected to a control unit, wherein the control unit works in a detection mode and a pre-blowing mode;
before each measurement, firstly entering a pre-blowing mode, firstly closing the electromagnetic valves between the dust collecting pipe (2) and the dust inlet (3) and between the air interface pipe and the hollow collecting pipe, opening a nitrogen source, then sequentially opening the electromagnetic valves between each small dust collecting pipe (6) and the hollow collecting pipe, and blowing each small air inlet dust collecting pipe (6), in the process, after blowing each small dust collecting pipe (6), closing the small dust collecting pipe, then opening the electromagnetic valve close to the small dust collecting pipe (6), after blowing all the small dust collecting pipes (6), opening the driving motor (7) to enable the detection sensor (5) to move to be right below the air inlet of the transverse plate, then closing the driving motor, opening the electromagnetic valves between the dust collecting pipe (2) and the dust inlet (3), simultaneously opening the vent hole (11) and the electromagnet on the moving frame (10), and enabling the electromagnet to adsorb the transverse plate to descend, this descent causes the helical structure of the feed pipe (4) to elongate almost linearly.
2. A raise dust detection device for building construction according to claim 1, characterized in that: the driving motor (7) is a servo motor or a stepping motor.
3. A raise dust detecting apparatus for building construction according to any one of claims 1 to 2, characterized in that: ventilation holes (11) are formed in the two sides, located in the detection cavity, of the case (1), and a door for closing the ventilation holes is arranged on the case (1).
4. A raise dust detection device for building construction according to claim 3, characterized in that: and the ventilation opening is arranged at the bottom of the chassis (1) corresponding to one side of the detection cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010104768.9A CN111257182A (en) | 2020-02-20 | 2020-02-20 | Raise dust detection device for construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010104768.9A CN111257182A (en) | 2020-02-20 | 2020-02-20 | Raise dust detection device for construction |
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| Publication Number | Publication Date |
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| CN111257182A true CN111257182A (en) | 2020-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010104768.9A Withdrawn CN111257182A (en) | 2020-02-20 | 2020-02-20 | Raise dust detection device for construction |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114113493A (en) * | 2021-12-16 | 2022-03-01 | 杭州洪丰环保科技有限公司 | Hydrochloric acid gas emission detection device in polyaluminium chloride production process |
| CN114463952A (en) * | 2022-01-07 | 2022-05-10 | 深圳市研锐智能科技有限公司 | Wisdom boundary control platform early warning device |
| CN118566089A (en) * | 2024-07-29 | 2024-08-30 | 洛阳市灿业建设工程有限公司 | Raise dust detection device for construction |
-
2020
- 2020-02-20 CN CN202010104768.9A patent/CN111257182A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114113493A (en) * | 2021-12-16 | 2022-03-01 | 杭州洪丰环保科技有限公司 | Hydrochloric acid gas emission detection device in polyaluminium chloride production process |
| CN114113493B (en) * | 2021-12-16 | 2023-08-15 | 杭州洪丰环保科技有限公司 | Hydrochloric acid gas emission detection device in polyaluminum chloride production process |
| CN114463952A (en) * | 2022-01-07 | 2022-05-10 | 深圳市研锐智能科技有限公司 | Wisdom boundary control platform early warning device |
| CN118566089A (en) * | 2024-07-29 | 2024-08-30 | 洛阳市灿业建设工程有限公司 | Raise dust detection device for construction |
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Application publication date: 20200609 |
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