CN211602593U - Self-cleaning air sampling header pipe - Google Patents
Self-cleaning air sampling header pipe Download PDFInfo
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- CN211602593U CN211602593U CN201922226722.XU CN201922226722U CN211602593U CN 211602593 U CN211602593 U CN 211602593U CN 201922226722 U CN201922226722 U CN 201922226722U CN 211602593 U CN211602593 U CN 211602593U
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Abstract
The utility model discloses a automatically cleaning formula air sampling house steward, including the sampling pipe main part, the upper end of sampling pipe main part stretches out outside the roof, the lower tip and the air exhauster of sampling pipe main part are linked together, the air exhauster with the sampling pipe main part is linked together through first ooff valve, still includes the air pump, this air pump pass through the second ooff valve with the lower tip of sampling pipe main part is linked together, first ooff valve with the second ooff valve is not opened simultaneously, the bottom of sampling pipe main part is equipped with the bleeder valve, when the second ooff valve was opened, the bleeder valve is in the off-state. The air pump is additionally arranged on the basis of the original air sampling header pipe, dust and other particulate matters left on the inner wall of the air sampling header pipe used for a long time can be cleaned, and the influence of the pollutants on the measurement of the atmospheric quality is avoided.
Description
Technical Field
The utility model relates to an air sampling house steward especially relates to a automatically cleaning formula air sampling house steward.
Background
The atmospheric quality monitoring refers to a process of performing stationing observation on main pollutants in the atmosphere of one region and evaluating the atmospheric environmental quality. The atmospheric quality monitoring is generally based on factors such as the scale of a region, the distribution and the source intensity of an atmospheric pollution source, meteorological conditions, topography and the like, and a few or more than ten representative measuring points (atmospheric sampling points) are selected in the region to perform regular monitoring of a specified project. The atmospheric quality monitoring items specified in China include sulfur dioxide, inhalable particles, carbon monoxide, nitrogen dioxide and the like. In addition, the items such as benzo (a) pyrene, lead, total suspended particulate matters, fluoride and the like can be selected and detected according to the characteristics of regional air pollution.
The atmospheric quality detector samples from the surrounding atmosphere through an air sampling manifold. The air sampling main pipe comprises a sampling head extending out of the roof, a pipe body for air circulation and an exhaust fan arranged at the bottom of the pipe body, wherein a plurality of sampling ports are formed in the pipe body, and the sampling ports are directly connected into the atmosphere quality detector. During operation, the air exhauster is opened, drives the intraductal air flow, and the surrounding air flows in from the sampling head, flows in to the atmosphere quality detector through the sampling port on the body, detects. Through long-time sampling use, can leave a large amount of solid particulate matters and suspended particulate matter etc. on the body inner wall, can let the testing result of atmospheric quality produce huge error, especially in some serious areas of pollution such as industry garden, mining area, the influence is bigger. Therefore, the air sampling main pipe needs to be cleaned regularly to guarantee the cleanliness of the inner wall of the pipe body, but the air sampling main pipe is generally fixed on a roof, so that the disassembly is very inconvenient, and more time and labor are needed to be consumed for cleaning once.
SUMMERY OF THE UTILITY MODEL
The utility model provides a automatically cleaning formula air sampling house steward solves the inconvenient problem of air sampling house steward washing.
The utility model adopts the technical proposal that: the utility model provides a self-cleaning formula air sampling house steward, includes the sampling pipe main part, the upper end of sampling pipe main part stretches out outside the roof, the lower tip and the air exhauster of sampling pipe main part are linked together, the air exhauster with the sampling pipe main part is linked together through first ooff valve, still includes the air pump, this air pump pass through the second ooff valve with the lower tip of sampling pipe main part is linked together, first ooff valve with the second ooff valve is not opened simultaneously, the bottom of sampling pipe main part is equipped with the bleeder valve, when second ooff valve or first ooff valve were opened, the bleeder valve is in the off-state.
Further, the bottom of this sampling pipe main part inner chamber is equipped with one section necking down structure, be equipped with the through-hole in the middle of the necking down structure, the diameter of through-hole is less than the diameter of sampling pipe main part, the necking down structure is located sampling pipe main part intercommunication the opening top of air pump.
Furthermore, the sampling tube also comprises a mandril which is supported between the ground and the bottom surface of the sampling tube main body.
Further, sampling pipe main part top-down is including the communicating pipe, heating pipe and the shunt tubes that connect gradually, be equipped with the sample connection on the shunt tubes, this sample connection is linked together with the atmospheric quality monitor, air exhauster and air pump are connected the shunt tubes.
Furthermore, a cushion block is arranged below the air pump, and the air pump is fixed on the cushion block through screws.
Furthermore, the inner wall of the sampling tube main body is provided with a spiral groove or a spiral blade which continuously extends from bottom to top.
Furthermore, the bottom end surface of the inner cavity of the sampling tube main body is an inclined surface and is guided towards one side of the drain valve.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses between the problem that the background art was described, installed belt cleaning device additional on original air sampling house steward's basis, dust and other particulate matters that leave on can blowing off the air sampling house steward's of long-term use the inner wall, avoided these pollutants to produce the influence to the survey of atmospheric quality. When the sampling tube main body is required to be cleaned, the first switch valve and the drain valve are closed, the second switch valve is opened, high-pressure air flow is provided by the air pump, and the air flow flows from bottom to top along the sampling tube main body to clean the inner wall of the sampling tube main body. After the sampling tube is cleaned, the second switch valve is closed, the drain valve is opened, and accumulated water in the sampling tube main body is drained smoothly.
The present invention will be described in further detail with reference to the accompanying drawings and examples; however, the present invention is not limited to the embodiments.
Drawings
Fig. 1 is an overall schematic view of the present invention;
fig. 2 is a partial sectional view of the present invention.
Detailed Description
Please refer to fig. 1 to 2, the utility model discloses a self-cleaning air sampling main pipe, including sampling pipe main part 5, the upper end of sampling pipe main part 5 stretches out outside the roof to connect sampling head 6, the lower tip of sampling pipe main part 5 is linked together with air exhauster 10, and air exhauster 10 with sampling pipe main part 5 is linked together through first ooff valve 1, opens first ooff valve 1, starts air exhauster 10, and the atmosphere is inhaled sampling pipe main part 5 from sampling head 6. The sampling tube device also comprises an air pump 4, wherein the air pump 4 is communicated with the lower end part of the sampling tube main body 5 through a second switch valve 2. The first switch valve 1 and the second switch valve 2 are not opened at the same time, a drain valve 3 is arranged at the bottom of the sampling tube main body 5, and when the second switch valve 2 or the first switch valve 1 is opened, the drain valve 3 is in a closed state. The bottom end surface of the inner cavity of the sampling tube main body 5 is an inclined surface and faces one side of the drain valve 3 to guide, so that accumulated water can be completely drained, water flow remained at the tube bottom can be completely drained, and the tube bottom is prevented from being corroded by cleaning water.
When the sampling tube needs to be cleaned, the air pump 4 is started, the high-pressure air flow rushes out of the sampling tube main body 5 from bottom to top, and stains on the inner wall of the sampling tube main body 5 are blown out. Finally, in order to further improve the cleaning effect, the first switch valve 1 and the second switch valve 2 may be closed, the drain valve 3 may be opened, cleaning water may be injected into the sampling tube main body 5 from above, the inner wall of the sampling tube main body 5 may be cleaned with the cleaning water, and the cleaning water may be discharged from the drain valve 3.
In this embodiment, the bottom of this sampling tube main part 5 inner chamber is equipped with one section necking down structure 7, be equipped with the through-hole in the middle of necking down structure 7, the diameter of through-hole is less than the diameter of sampling tube main part 5. The necking structure 7 is actually used for reducing the flow area of the sampling tube main body 5, so that the flow velocity of the air flow passing through the necking structure 7 is improved, the air flow velocity is increased, the impact force is large, and the dirt can be blown out better.
In this embodiment, the sampling tube further comprises a top bar 8 supported between the ground and the bottom surface of the sampling tube main body 5. Thus, the sampling tube main body 5 is supported, and the structure is more stable.
In this embodiment, sampling pipe main part top-down is including communicating pipe 51, heating pipe 52 and shunt tubes 53 that connect gradually, first 6 of sampling is connected to intercommunication farming-herding 51 upper end, be equipped with the sample connection on the shunt tubes 53, this sample connection is linked together with the atmosphere quality monitor, air exhauster 10 and air pump 4 are connected shunt tubes 53.
In this embodiment, a cushion block 9 is arranged below the air pump 4, and the air pump 4 is fixed on the cushion block 9 through screws.
In this embodiment, the air pump 4 is a high-pressure air pump.
Preferably, the inner wall of the sampling tube main body 5 is provided with at least one spiral groove or spiral blade continuously extending from bottom to top. When the sampling tube is cleaned, the airflow spirally flows and rises along the inner cavity of the sampling tube main body 5 under the guidance of the spiral groove or the spiral blade to form rotary airflow, so that the cleaning effect is improved.
In this embodiment, when cleaning, first ooff valve 1 closes, second ooff valve 2 opens, the bleeder valve 3 closes, the air pump is to intraductal air feed, clear up the intraductal wall of pipe, blow off a large amount of dust, afterwards, can also close first ooff valve 1 and close and second ooff valve 2, open bleeder valve 3, wash water and from last pouring into sampling pipe main part 5 down, sewage discharges away from bleeder valve 3 after the clearance is accomplished, open first ooff valve 1 at last, second ooff valve 2 and bleeder valve 3 close, start air exhauster 10, can normally work. During operation, the first switch valve 1 is opened, the second switch valve 2 is closed, and the drain valve 3 is closed.
The above-mentioned embodiment is only used for further explaining the utility model discloses a self-cleaning formula air sampling house steward, nevertheless the utility model discloses do not confine the embodiment to, all be according to the utility model discloses a technical entity does any simple modification, equivalent change and modification to above embodiment, all fall into the protection scope of the technical scheme of the utility model.
Claims (7)
1. The utility model provides a self-cleaning formula air sampling house steward, includes the sampling pipe main part, outside the roof was stretched out to the upper end of sampling pipe main part, the lower tip and the air exhauster of sampling pipe main part are linked together its characterized in that: the air exhauster with the sampling pipe main part is linked together through first ooff valve, still includes the air pump, this air pump pass through the second ooff valve with the lower tip of sampling pipe main part is linked together, first ooff valve with the second ooff valve is not opened simultaneously, the bottom of sampling pipe main part is equipped with the bleeder valve, when second ooff valve or first ooff valve were opened, the bleeder valve was in the off-state.
2. A self-cleaning air sampling manifold as recited in claim 1, wherein: the bottom of this sampling pipe main part inner chamber is equipped with one section necking down structure, be equipped with the through-hole in the middle of the necking down structure, the diameter of through-hole is less than the diameter of sampling pipe main part, the necking down structure is located sampling pipe main part intercommunication the opening top of air pump.
3. A self-cleaning air sampling manifold as recited in claim 1, wherein: the sampling tube also comprises a push rod supported between the ground and the bottom surface of the sampling tube main body.
4. A self-cleaning air sampling manifold as recited in claim 1, wherein: sampling pipe main part top-down is equipped with the sample connection including communicating pipe, heating pipe and the shunt tubes that connect gradually on the shunt tubes, this sample connection is linked together with the atmospheric quality monitor, air exhauster and air pump are connected the shunt tubes.
5. A self-cleaning air sampling manifold as recited in claim 1, wherein: and a cushion block is arranged below the air pump, and the air pump is fixed on the cushion block through screws.
6. The self-cleaning air sampling manifold of any of claims 1 to 5, wherein: the inner wall of the sampling tube main body is provided with a spiral groove or a spiral blade which continuously extends from bottom to top.
7. A self-cleaning air sampling manifold as recited in claim 1, wherein: the bottom surface of the inner cavity of the sampling pipe main body is an inclined surface and faces one side of the drain valve to guide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922226722.XU CN211602593U (en) | 2019-12-12 | 2019-12-12 | Self-cleaning air sampling header pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922226722.XU CN211602593U (en) | 2019-12-12 | 2019-12-12 | Self-cleaning air sampling header pipe |
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| Publication Number | Publication Date |
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| CN211602593U true CN211602593U (en) | 2020-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922226722.XU Active CN211602593U (en) | 2019-12-12 | 2019-12-12 | Self-cleaning air sampling header pipe |
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| CN (1) | CN211602593U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113092726A (en) * | 2021-04-12 | 2021-07-09 | 河南卓越建设工程有限公司 | Automatic monitoring devices suitable for prevention and cure of geological disasters |
| CN113624914A (en) * | 2021-06-28 | 2021-11-09 | 徐州泽众环境科技有限公司 | Atmospheric environmental pollution monitoring device capable of adjusting windward side |
| CN114608901A (en) * | 2022-05-10 | 2022-06-10 | 南通东昌环保设备科技有限公司 | Automatically cleaning dust sample thief |
-
2019
- 2019-12-12 CN CN201922226722.XU patent/CN211602593U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113092726A (en) * | 2021-04-12 | 2021-07-09 | 河南卓越建设工程有限公司 | Automatic monitoring devices suitable for prevention and cure of geological disasters |
| CN113624914A (en) * | 2021-06-28 | 2021-11-09 | 徐州泽众环境科技有限公司 | Atmospheric environmental pollution monitoring device capable of adjusting windward side |
| CN113624914B (en) * | 2021-06-28 | 2024-01-09 | 徐州泽众环境科技有限公司 | Atmospheric environmental pollution monitoring device capable of adjusting windward side |
| CN114608901A (en) * | 2022-05-10 | 2022-06-10 | 南通东昌环保设备科技有限公司 | Automatically cleaning dust sample thief |
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