CN111289315A - Dust sampling device suitable for different level - Google Patents
Dust sampling device suitable for different level Download PDFInfo
- Publication number
- CN111289315A CN111289315A CN202010349107.2A CN202010349107A CN111289315A CN 111289315 A CN111289315 A CN 111289315A CN 202010349107 A CN202010349107 A CN 202010349107A CN 111289315 A CN111289315 A CN 111289315A
- Authority
- CN
- China
- Prior art keywords
- sampling
- dust
- device suitable
- sampling device
- air inlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2202—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling
- G01N1/2205—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling with filters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2273—Atmospheric sampling
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/24—Suction devices
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a dust sampling device suitable for different levels, which comprises a plurality of sampling heads, wherein a sampling cylinder and a filter membrane positioned at an exhaust port of the sampling cylinder are arranged in each sampling head, the dust sampling device also comprises a case matched with the sampling heads, a telescopic rod used for fixing the sampling heads is arranged on one side of the case, the telescopic rod consists of a plurality of fixed cylinders matched with each other, a connecting seat is arranged at one end of each fixed cylinder, which is far away from the case, a connecting pipe used for fixing the sampling heads is arranged on the connecting seat, and the sampling heads are fixed with the connecting pipes in a threaded manner.
Description
Technical Field
The invention relates to the technical field of sampling, in particular to a dust sampling device suitable for different levels.
Background
The dust sampler is a portable device for collecting dust samples in dust-containing air, and is widely applied to disease prevention, environment monitoring, labor protection, safety supervision, military affairs, scientific research and teaching, metallurgy, petrochemical industry, railways, health monitoring and evaluation of departments such as building materials and the like, and is specially used for measuring the average concentration of dust in air in production team and group workplaces.
Disclosure of Invention
The invention aims to provide a dust sampling device suitable for different levels so as to solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that: the dust sampling device suitable for different levels comprises a plurality of sampling heads, a sampling cylinder, a filter membrane positioned at an exhaust port of the sampling cylinder and a case matched with the sampling heads, wherein a telescopic rod for fixing the sampling heads is arranged on one side of the case;
the telescopic rod consists of a plurality of mutually matched fixed cylinders, one end of each fixed cylinder, which is far away from the case, is provided with a connecting seat, the connecting seat is provided with a connecting pipe for fixing a sampling head, and the sampling head is fixed with the connecting pipe through threads;
the machine case includes battery, control panel, controller, timer, connector and aspiration pump, the connector comprises blast pipe and a plurality of intake pipe, the intake pipe passes through pipeline switch-on connecting pipe, the intake pipe in flowmeter and pipeline valve have, the gas vent of blast pipe is equipped with the aspiration pump, battery, control panel, flowmeter, pipeline valve, aspiration pump be connection director respectively.
The sampling device provided by the invention is provided with the plurality of sampling heads, the horizontal heights of the plurality of sampling heads are simultaneously adjusted through the arranged telescopic rods, dust sampling is simultaneously carried out on air in different horizontal heights, the sampling range is wide, the operation is simple, and the sampling efficiency is high.
Preferably, the inside chamber of placing the cartridge that has of sampling head, the inlet end of sampling head has spacing lid, spacing lid has the breach that supplies the air to pass through, conveniently clears up the dust in the cartridge.
Preferably, the connecting seat is at least provided with two groups of connecting pipes for fixing the sampling head, so that the monitoring quality of the dust concentration in the air in the same horizontal height is improved.
Preferably, a plurality of connecting pipes be located the different side of connecting seat respectively, receive the influence each other when avoiding a plurality of sampling heads of the same height to sample.
Preferably, the intake pipe divide into the multiunit, just the group number of intake pipe equals the number of connecting seat, conveniently discerns the pipeline between connection intake pipe and the sampling head.
Preferably, the number of the air inlet pipes on each group of air inlet pipes is equal to that of the connecting pipes on the connecting seat.
The invention has the beneficial effects that:
the sampling device provided by the invention is provided with the plurality of sampling heads, the horizontal heights of the plurality of sampling heads can be simultaneously adjusted through the arranged telescopic rods, dust sampling can be simultaneously carried out on air in different horizontal heights, the sampling range is wide, the operation is simple, and the sampling efficiency is high.
Description of the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the sampling head structure of the present invention;
fig. 3 is a schematic view of the connecting head structure of the present invention.
Description of reference numerals: 1. sampling head, 2, machine case, 3, telescopic link, 11, sampling cylinder, 12, filter membrane, 13, spacing lid, 20, battery, 21, control screen, 22, controller, 23, connector, 24, aspiration pump, 31, fixed cylinder, 32, connecting seat, 33, connecting pipe, 25, blast pipe, 26, intake pipe, 27, flowmeter, 28, pipeline valve.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1-3, the dust sampling device suitable for different levels comprises a plurality of sampling heads 1, wherein a sampling cylinder 11 and a filter membrane 12 positioned at an exhaust port of the sampling cylinder 11 are arranged in each sampling head 1, the dust sampling device also comprises a case 2 matched with the sampling heads 1, and a telescopic rod 3 for fixing the sampling heads 2 is arranged on one side of the case 2;
the telescopic rod 3 is composed of a plurality of mutually matched fixed cylinders 31, one end of each fixed cylinder 31, which is far away from the case 2, is provided with a connecting seat 32, the connecting seat 32 is provided with a connecting pipe 33 for fixing the sampling head 2, and the sampling head 2 is fixed with the connecting pipe 33 through threads;
When the sampling device is used, firstly, a plurality of sampling heads 1 are respectively installed on a connecting pipe 33 of a connecting seat 32, then the connecting pipe 33 is communicated with an air inlet pipe 26 of a connector 23 through a pipeline, when sampling is carried out, the sampling heads 1 are lifted to different horizontal heights through a fixed cylinder 31 of a telescopic rod 3, then a pipeline valve 28 is sequentially opened through a controller 22 by utilizing a control screen 21 so that the air inlet pipe 26 of the connector 23 is communicated with an exhaust pipe 25, an air suction pump 24 is started, a large amount of air enters the sampling cylinder 11 through a sampling head 15, dust in the air is sampled when the air passes through a filter membrane 12, meanwhile, a flow quantity value of the air monitored through the air inlet pipe 26 is fed back to the controller 22 by a flowmeter 27, the running time of the air suction pump 24 is monitored by a timer and fed back to the controller 22 and displayed by the control screen 21, after the sampling is finished, the telescopic rod 3 is, the concentration of dust in the air is calculated, and the type of substance contained in the dust is identified by detecting the dust collected in the sampling cartridge 11.
As a preferable scheme of the above embodiment, in order to clean dust in the sampling cylinder 11 conveniently, a placing cavity for placing the sampling cylinder 11 is arranged inside the sampling head 1, the air inlet end of the sampling head 1 is provided with a limit cover 13, and the limit cover 13 is provided with a notch for air to pass through.
Example 2:
on the basis of embodiment 1, as shown in fig. 1, further, in order to improve the monitoring quality of the dust concentration in the air in the same horizontal height, at least two sets of connecting pipes 33 for fixing the sampling heads 2 are provided on the connecting seat 32, sampling is performed simultaneously through the multiple sets of sampling heads 2, the dust concentrations in the multiple sets of air are calculated according to the dust mass collected by the different sampling heads 2, and then the average value is taken.
As a preferable scheme of the embodiment 2, in order to avoid mutual influence when a plurality of sampling heads 1 with the same height are used for sampling, the plurality of connecting pipes 33 are respectively positioned on different sides of the connecting seat 32.
Example 3:
on the basis of embodiments 1 and 2, furthermore, in order to facilitate the identification of the pipeline connecting the air inlet pipe and the sampling head, the air inlet pipes 26 are divided into a plurality of groups, and the number of the groups of the air inlet pipes 26 is equal to the number of the connecting seats 32.
As a preferable scheme of the embodiment 3, the number of the air inlet pipes 26 on each set of air inlet pipes 26 is equal to the number of the connecting pipes 33 on the connecting seat 32.
The above-mentioned embodiments only express the specific embodiments of the present invention, and the description is specific and detailed, but it should not be understood as the limitation of the patent scope of the present invention, it should be noted that, for those skilled in the art, many variations and modifications can be made without departing from the concept of the present invention, and these all fall into the protection scope of the present invention.
Claims (6)
1. A dust sampling device suitable for different horizontal heights comprises a plurality of sampling heads, wherein sampling cylinders and filter membranes positioned at exhaust ports of the sampling cylinders are arranged in the sampling heads;
the telescopic rod consists of a plurality of mutually matched fixed cylinders, one end of each fixed cylinder, which is far away from the case, is provided with a connecting seat, the connecting seat is provided with a connecting pipe for fixing a sampling head, and the sampling head is fixed with the connecting pipe through threads;
the machine case includes battery, control panel, controller, timer, connector and aspiration pump, the connector comprises blast pipe and a plurality of intake pipe, the intake pipe passes through pipeline switch-on connecting pipe, the intake pipe in flowmeter and pipeline valve have, the gas vent of blast pipe is equipped with the aspiration pump, battery, control panel, flowmeter, pipeline valve, aspiration pump be connection director respectively.
2. The dust sampling device suitable for different levels of the claim 1, wherein the sampling head is internally provided with a placing cavity for placing the sampling cylinder, the air inlet end of the sampling head is provided with a limit cover, and the limit cover is provided with a gap for air to pass through.
3. The dust sampling device suitable for different levels of claim 1, wherein the connecting base has at least two sets of connecting tubes for fixing the sampling head.
4. The dust sampling device according to claim 3, wherein the plurality of connection pipes are located on different sides of the connection base.
5. The dust sampling device suitable for different levels of claim 1, wherein the air inlet pipes are divided into a plurality of groups, and the number of the groups of the air inlet pipes is equal to the number of the connecting seats.
6. A dust sampling device suitable for different levels according to claim 4 or 5, wherein the number of the air inlet pipes on each group of air inlet pipes is equal to the number of the connecting pipes on the connecting base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010349107.2A CN111289315A (en) | 2020-04-28 | 2020-04-28 | Dust sampling device suitable for different level |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010349107.2A CN111289315A (en) | 2020-04-28 | 2020-04-28 | Dust sampling device suitable for different level |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111289315A true CN111289315A (en) | 2020-06-16 |
Family
ID=71028206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010349107.2A Pending CN111289315A (en) | 2020-04-28 | 2020-04-28 | Dust sampling device suitable for different level |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111289315A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112546755A (en) * | 2020-12-11 | 2021-03-26 | 李伟员 | Dust absorption dustproof system for construction |
-
2020
- 2020-04-28 CN CN202010349107.2A patent/CN111289315A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112546755A (en) * | 2020-12-11 | 2021-03-26 | 李伟员 | Dust absorption dustproof system for construction |
| CN112546755B (en) * | 2020-12-11 | 2022-12-13 | 李伟员 | Dust absorption dustproof system for construction |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211877542U (en) | Dust sampling device suitable for different level | |
| CN209117529U (en) | A kind of VOCs on-line monitoring system | |
| CN101551378A (en) | Method and equipment for detecting oxygen content in coal gas | |
| CN111289315A (en) | Dust sampling device suitable for different level | |
| CN206848008U (en) | A kind of stationary source pm emission pollutes matter collection device | |
| CN207729744U (en) | A kind of airstrainer with detection air quality | |
| CN216051651U (en) | Pump suction type gas online analysis device | |
| CN207263718U (en) | A kind of printing and dyeing industry exhaust gas intelligent measurement processing unit | |
| CN206460017U (en) | Oxygen analysis apparatus and oxygen analysis system | |
| CN213492544U (en) | Filtering separator | |
| CN212757741U (en) | Air inlet filtering component for mine gas detection device | |
| CN211122177U (en) | Air suspended particulate matter sampling device | |
| CN210269539U (en) | Equipment for monitoring operation state of oil fume purifier | |
| CN112246061A (en) | Front-mounted high-temperature flue gas sampling, dedusting and filtering device | |
| CN209589593U (en) | A kind of air contaminant treatment sampling apparatus | |
| CN208626946U (en) | A kind of activated carbon adsorption device | |
| CN209911069U (en) | Harmful gas sampling device | |
| CN216513861U (en) | Online gas sample processing system | |
| JPH03267105A (en) | Method and device for detecting abnormality of multiple-filter-element dust collecting equipment | |
| CN211725196U (en) | Concrete workshop dust collector convenient to remove dust fast and wash | |
| CN207601045U (en) | A kind of pollution sources waste gas monitoring device | |
| CN221351458U (en) | Carbon dioxide on-line analysis device | |
| CN108786229A (en) | A kind of straight-through basket filter detected in real time | |
| CN220671055U (en) | Gas sampling device for exhaust gas detection | |
| CN211963448U (en) | Gas drying device for oxygen bar flowmeter gas analyzer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |