CN102507079A - Device for measuring the dusty airflow wind pressure - Google Patents
Device for measuring the dusty airflow wind pressure Download PDFInfo
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- CN102507079A CN102507079A CN2011103681792A CN201110368179A CN102507079A CN 102507079 A CN102507079 A CN 102507079A CN 2011103681792 A CN2011103681792 A CN 2011103681792A CN 201110368179 A CN201110368179 A CN 201110368179A CN 102507079 A CN102507079 A CN 102507079A
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Abstract
The invention provides a device for measuring the dusty airflow wind pressure, which includes a static pressure connector and a wind pressure static pressure transducer thereon, as well as a total pressure connector and a wind pressure total pressure transducer thereon, wherein the static pressure connector and the total pressure connector are fixed on a wind plate seat, and the wind plate seat is fixed on a wind pipe. The device is characterized in that the lower side of the wind plate seat is connected with a cyclone casing, which is provided with a static pressure at the upper part, a cyclone cabin at the lower part, a total pressure cabin at the middle part, and a wind inlet and a wind outlet on the wall; a wind inlet is arranged on the wall of the static pressure cabin; the static pressure cabin is communicated with the static pressure connector; the upper part of the total pressure cabin is communicated with the total pressure connector, and the lower part of the total pressure connector is communicated with the cyclone cabin; and the wind outlet is led out through an exhaust duct. Dust in a to-be-measured airflow can be effectively removed in advance; the required wind pressure total pressure and the wind pressure static pressure are measured through the transducers respectively; the device has the advantages such as high sensitivity, accurate measurement, convenience for dust removal, and no blockage to a measurement duct, and ensures no measurement result distortion.
Description
Technical field
The present invention relates to a kind of device of measuring the dust-contained airflow blast, relate in particular to a kind of can being installed on the railway ballast suction-type sewer scavenger, be used to measure the device of dust-contained airflow blast, belong to railroad maintenance and maintenance facility technology field.
Background technology
The device of the measurement air-flow blast that uses at present; Its structure is: static pressure tube and total pressure measurement pipe are installed on the airduct through deep bead; And the inner of two pipes places respectively in the airduct, and the outer end is fixed with blast static pressure transducer and blast total-pressure probe respectively, and the air-flow in the tested airduct is pressed certain orientation and flowed; Measure the blast stagnation pressure through the blast total-pressure probe, measure the blast static pressure through the blast static pressure transducer again.There is following deficiency in this device: the one, and, the dust in the air-flow can get in the measuring tube, causes the obstruction of measuring tube, makes the measurement result distortion, even can't measure; The 2nd,, the dirt of building up in the measuring tube is difficult to remove.Therefore, be necessary prior art is improved.
Summary of the invention
The purpose of this invention is to provide a kind of device of measuring the dust-contained airflow blast, can effectively prevent in long use, to get into the obstruction that causes measuring pipeline because of dust.
The technical solution adopted for the present invention to solve the technical problems is: a kind of device of measuring the dust-contained airflow blast, comprise static pressure inlet and on the blast static pressure transducer, total crimp head and on the blast total-pressure probe; And static pressure inlet is fixed on the aerofoil seat with total crimp head, and the aerofoil seat is fixed on the airduct, it is characterized in that aerofoil seat downside is connected with band static pressure cabin on it; It is band whirlwind cabin down, the total ballasting of center band, and Qi Bishang brings the whirlwind housing of air port and air outlet into; Static pressure cabin bulkhead is provided with air inlet, and the static pressure cabin is communicated with static pressure inlet, and total ballasting top is communicated with total crimp head; Total ballasting bottom is communicated with the whirlwind cabin, and air outlet is drawn outside the airduct through exhaust duct, so that the dust-laden in the airduct is distinguished and admirable after the air inlet rotation direction gets into the whirlwind cabin; Make dust in distinguished and admirable be threaded to wall and sink along wall; Distinguished and admirablely then after the middle part rise to get into total ballasting, get into total crimp head again, measure the blast stagnation pressure through the blast total-pressure probe on total crimp head, distinguished and admirable in the airduct gets into the static pressure cabin through air inlet simultaneously; Get into static pressure inlet again, measure the blast static pressure through the blast static pressure transducer on the static pressure inlet.
Said exhaust duct external port is provided with the air draft plug, after opening the air draft plug as required in good time, makes to get into behind the dust that distinguished and admirable in the whirlwind cabin roll bottom, whirlwind cabin together outside exhaust duct is discharged airduct, thereby the dust that deposits is taken away.
Air inlet on the bulkhead of said static pressure cabin is provided with the rectification dust cover, so that in air intake, isolates the dust in distinguished and admirable.
Said total ballasting top is provided with operation valve, and the spool upper end of this operation valve is fixed on the aerofoil seat through spring, valve gap, and the spool port links to each other with the outer handle of aerofoil seat; The spool lower end is made as up big and down small conical surface body, and through hole corresponding on this conical surface body and the aerofoil seat is matched, and through hole is communicated with the static pressure cabin; In the time of need cleaning rectification dust cover 14 with box lunch, extract spool through handle, and total ballasting is communicated with the static pressure cabin; Thereby after making the distinguished and admirable via through holes that gets into total ballasting get into the static pressure cabin, discharge through the rectification dust cover again, thereby the rectification dust cover is carried out the blowback cleaning and blowdown; After decontroling handle, under spring action, spool is moved down and block through hole; Break off being connected of total ballasting and static pressure cabin, and normally measure.
The present invention compared with prior art has advantage and effect: adopt such scheme; Can be in advance and effectively remove the dust in distinguished and admirable to be measured after, record required blast stagnation pressure and blast static pressure respectively through sensor again, to guarantee the sensitivity of sensor; Realize accurately measuring; Can remove dustiness convenient, simply simultaneously, can not result in blockage, fundamentally solve pipeline causes the measurement result distortion because of obstruction the problem of measuring measuring pipeline.The present invention is applicable to any occasion of measuring the dust-contained airflow blast, is particularly useful for the wind pressure measurement of the dust-contained airflow of circulation in the railway ballast suction-type sewer scavenger.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the A-A view of Fig. 1.
Embodiment
Below in conjunction with accompanying drawing the present invention is described further.
The device of measurement dust-contained airflow blast provided by the invention, comprise static pressure inlet 4 and on blast static pressure transducer 5, total crimp head 6 and on blast total-pressure probe 7; And static pressure inlet 4 and total crimp head 6 are fixed on the upside of aerofoil seat 3, and aerofoil seat 3 is fixed on the airduct 13 through fixed orifice on it 12 and gib screw, and the downside of aerofoil seat 3 is connected with band static pressure cabin 23 on it; It is band whirlwind cabin 20 down, the total ballasting 18 of center band, and Qi Bishang brings the whirlwind housing 21 of air port and air outlet 19 into; The bulkhead in static pressure cabin 23 is provided with air inlet, and this air inlet is provided with rectification dust cover 1, and static pressure cabin 23 is communicated with static pressure inlet 4; Total ballasting 18 tops are communicated with total crimp head 6, and always ballasting 18 lower port are uncovered, and place whirlwind cabin 20 interior and be communicated with it; Air outlet 19 is drawn outside the airduct 13 through exhaust duct 22, and is provided with air draft plug 2 in exhaust duct 22 external port, and the air inlet on whirlwind housing 21 walls is provided with blast pipe 16; Top in total ballasting 18 is provided with operation valve, and spool 11 upper ends of this operation valve are fixed on the aerofoil seat 3 through spring 10, valve gap 9, and spool 11 port link to each other with aerofoil seat 3 outer handles 8; Spool 11 lower ends are made as up big and down small conical surface body 14; Through hole 15 corresponding on this conical surface body 14 and the aerofoil seat 3 is matched, and through hole 15 is communicated with static pressure cabin 23, like Fig. 1, Fig. 2.
During work: after distinguished and admirable blast pipe 16 rotation directions through air inlet of the dust-laden in the airduct 13 get into whirlwind cabin 20; Make dust in distinguished and admirable be threaded to wall and sink along wall; Distinguished and admirablely then, the middle part gets into total crimp head 6 again after rise getting into total ballasting 18; Blast total-pressure probe 7 through on total crimp head 6 is measured the blast stagnation pressure; Distinguished and admirable rectification dust cover 1 on air inlet in the airduct 13 gets into static pressure cabin 23 simultaneously, gets into static pressure inlet 4 again, measures the blast static pressure through the blast static pressure transducer 5 on the static pressure inlet 4.After opening the air draft plug 2 on exhaust duct 22 external port, make together to discharge after getting into the dust that distinguished and admirable in the whirlwind cabin 20 roll 20 bottoms, whirlwind cabin, thereby the dust of deposition is taken away through exhaust duct 22.When needs clean rectification dust cover 1, extract spool 11 through handle 8, and total ballasting 18 is communicated with static pressure cabin 23; Thereby after making the distinguished and admirable via through holes 15 that gets into total ballasting 18 get into static pressure cabin 23, discharge through rectification dust cover 1 again, thereby rectification dust cover 1 is carried out the blowback cleaning and blowdown; After decontroling handle 8, under spring 10 effects, spool 11 is moved down and block through hole 15; Break off being connected of total ballasting 18 and static pressure cabin 23, and normally measure.
Claims (4)
1. device of measuring the dust-contained airflow blast, comprise static pressure inlet and on the blast static pressure transducer, total crimp head and on the blast total-pressure probe; And static pressure inlet is fixed on the aerofoil seat with total crimp head, and the aerofoil seat is fixed on the airduct, it is characterized in that aerofoil seat downside is connected with band static pressure cabin on it; It is band whirlwind cabin down, the total ballasting of center band, and Qi Bishang brings the whirlwind housing of air port and air outlet into; Static pressure cabin bulkhead is provided with air inlet, and the static pressure cabin is communicated with static pressure inlet, and total ballasting top is communicated with total crimp head; Total ballasting bottom is communicated with the whirlwind cabin, and air outlet is drawn outside the airduct through exhaust duct.
2. the device of measurement dust-contained airflow blast according to claim 1 is characterized in that said exhaust duct external port is provided with the air draft plug.
3. the device of measurement dust-contained airflow blast according to claim 1 is characterized in that the air inlet on the bulkhead of said static pressure cabin is provided with the rectification dust cover.
4. the device of measurement dust-contained airflow blast according to claim 1; It is characterized in that said total ballasting top is provided with operation valve; The spool of this operation valve upper end is fixed on the aerofoil seat through spring, valve gap, and the spool port links to each other with the outer handle of aerofoil seat, and the spool lower end is made as up big and down small conical surface body; Through hole corresponding on this conical surface body and the aerofoil seat is matched, and through hole is communicated with the static pressure cabin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110368179.2A CN102507079B (en) | 2011-11-19 | 2011-11-19 | Device for measuring dusty airflow wind pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110368179.2A CN102507079B (en) | 2011-11-19 | 2011-11-19 | Device for measuring dusty airflow wind pressure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102507079A true CN102507079A (en) | 2012-06-20 |
| CN102507079B CN102507079B (en) | 2014-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110368179.2A Active CN102507079B (en) | 2011-11-19 | 2011-11-19 | Device for measuring dusty airflow wind pressure |
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| Country | Link |
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| CN (1) | CN102507079B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103335773A (en) * | 2013-02-20 | 2013-10-02 | 江苏安邦伟业人工环境有限公司 | Pipeline gas pressure measuring device |
| CN112090119A (en) * | 2020-09-29 | 2020-12-18 | 云南农业大学 | Distributed multi-cyclone gas-water separation recycling device for tea fermentation |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2768707A (en) * | 1954-01-04 | 1956-10-30 | Centrifix Corp | Separator for use with vacuum cleaning |
| CN88202977U (en) * | 1988-04-05 | 1988-11-30 | 河北省沧州石油分公司废油加工厂 | Tester for positive and negative pressure of respiratory valve |
| DE10129455A1 (en) * | 2001-06-19 | 2003-01-02 | Koch Hans Reinhard | Device for measuring the static pressure in a fluid line used in a medical application is sensitive to small pressure variations without causing any contamination |
| US7337675B2 (en) * | 2004-12-06 | 2008-03-04 | Industrial Technology Research Institute | Method for measuring average velocity pressure and system thereof |
| CN101694498A (en) * | 2009-10-16 | 2010-04-14 | 吴江市华宇净化设备有限公司 | Wind speed, wind pressure and wind volume measuring pipe |
| CN202362108U (en) * | 2011-11-19 | 2012-08-01 | 昆明中铁大型养路机械集团有限公司 | Device for measuring wind pressure of dusty gas flow |
-
2011
- 2011-11-19 CN CN201110368179.2A patent/CN102507079B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2768707A (en) * | 1954-01-04 | 1956-10-30 | Centrifix Corp | Separator for use with vacuum cleaning |
| CN88202977U (en) * | 1988-04-05 | 1988-11-30 | 河北省沧州石油分公司废油加工厂 | Tester for positive and negative pressure of respiratory valve |
| DE10129455A1 (en) * | 2001-06-19 | 2003-01-02 | Koch Hans Reinhard | Device for measuring the static pressure in a fluid line used in a medical application is sensitive to small pressure variations without causing any contamination |
| US7337675B2 (en) * | 2004-12-06 | 2008-03-04 | Industrial Technology Research Institute | Method for measuring average velocity pressure and system thereof |
| CN101694498A (en) * | 2009-10-16 | 2010-04-14 | 吴江市华宇净化设备有限公司 | Wind speed, wind pressure and wind volume measuring pipe |
| CN202362108U (en) * | 2011-11-19 | 2012-08-01 | 昆明中铁大型养路机械集团有限公司 | Device for measuring wind pressure of dusty gas flow |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103335773A (en) * | 2013-02-20 | 2013-10-02 | 江苏安邦伟业人工环境有限公司 | Pipeline gas pressure measuring device |
| CN112090119A (en) * | 2020-09-29 | 2020-12-18 | 云南农业大学 | Distributed multi-cyclone gas-water separation recycling device for tea fermentation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102507079B (en) | 2014-02-12 |
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Address after: 650215 No. 384 Poplar Road, Yunnan, Kunming Patentee after: CHINA RAILWAY CONSTRUCTION HIGH-TECH EQUIPMENT CO., LTD. Address before: 650215 No. 384 Poplar Road, Yunnan, Kunming Patentee before: Zhongtie Giant Road Maintenance Machinery Group Co., Ltd., Kunming |