CN203849086U - Dehumidifying tube for atmosphere sampling-measuring instrument - Google Patents
Dehumidifying tube for atmosphere sampling-measuring instrument Download PDFInfo
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- CN203849086U CN203849086U CN201420276297.XU CN201420276297U CN203849086U CN 203849086 U CN203849086 U CN 203849086U CN 201420276297 U CN201420276297 U CN 201420276297U CN 203849086 U CN203849086 U CN 203849086U
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- inner frame
- frame pipe
- pipe
- outer tube
- measuring instrument
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Abstract
The utility model discloses a dehumidifying tube for an atmosphere sampling-measuring instrument. The dehumidifying tube comprises an outer bushing, an inner frame tube and a selective permeable membrane, wherein the outer bushing is sleeved at the periphery of the inner frame tube; the upper end of the outer bushing is fixedly connected with the inner frame tube, a plurality of permeation holes convenient for water to permeate are formed in the inner frame tube, the selective permeable membrane is coated on the inner frame tube and can selectively permit water molecules to permeate; a drying agent is mounted in an interval between the outer bushing and the inner frame tube, or the interval is communicated with a dehumidifying air source. By utilizing the dehumidifying tube, the moisture in the sampling gas can be rapidly removed, the humidity of dusty air entering the atmosphere sampling-measuring instrument is relatively low, the influence degree of the air humidity to the accuracy of a detection result of a humidity-sensitive atmosphere measuring instrument is reduced as much as possible, and the accuracy of the detection result of the atmosphere sampling-measuring instrument under a relatively high air humidity state is improved.
Description
Technical field
The utility model relates to a kind of dehumidification pipe, relates in particular to a kind of dehumidification pipe of atmospheric sampling measuring instrument.
Background technology
Along with current atmospheric pollution is more and more serious, people carry out sampling monitoring more and more frequently to Atmospheric components, in atmosphere, contain dust or other dusty gass, atmospheric sampling measuring instrument is a kind of outdoor a kind of equipment that is used for testing dust in atmosphere or other dusty gas concentration that is placed on, it mainly comprises the thief hatch being arranged under atmospheric environment, sensor of dust concentration or dusty gas concentration sensor and a sampling pump, the measurement result of the atmospheric sampling measuring instrument of right this structure is inaccurate, because the humiture moment in actual atmospheric environment changes, particularly humidity value, the difference of humidity causes the skewness of dust in atmosphere, in gas owing to there being the existence of moisture, from thief hatch, enter between the dust of result that measuring instrument detects and atmosphere reality or dusty gas and there are differences containing the soft air of dust soft air or dusty gas, cause result inaccurate.Especially contain the dust that moisture is higher and enter into measuring instrument, can stick in air duct and sensor of dust concentration, not only cause the inaccurate of test result, and stick on air duct and sensor of dust concentration and to be difficult for discharging, thereby increase clearing times, and moisture removal in removal dust cannot use common dry dehumidification device at present, common dry dehumidification device not only can be by moisture removal, but also can remove absorption dust and sample gas composition, so just cause the minimizing of Dust Capacity and gas componant, affect the accuracy of aeromerric moasurenont instrument testing result.
Utility model content
Technical problem to be solved in the utility model is: the dehumidification pipe that a kind of atmospheric sampling measuring instrument is provided, this dehumidification pipe can remove the moisture in atmosphere fast, make the humidity of the dust laden air that enters into atmospheric sampling measuring instrument lower, reduce as much as possible the influence degree of air humidity to dust concentration or dusty gas testing result accuracy, improve the accuracy of the testing result of atmospheric sampling measuring instrument in the time that air humidity is larger.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of dehumidification pipe of atmospheric sampling measuring instrument, and this dehumidification pipe comprises outer tube, inner frame pipe, permoselective membrane, outer tube is set in the periphery of inner frame pipe; Between the upper end of described outer tube and inner frame pipe, be fixedly connected with, be provided with several and be convenient to the hole that sees through that steam sees through on this inner frame pipe, described permoselective membrane is coated on inner frame pipe, and this permoselective membrane alternative allows hydrone see through; In gap between described outer tube and inner frame pipe, this gap, be provided with drying agent or be communicated with except moisture source.
As the preferred scheme of one, described inner frame pipe comprises the body that stainless steel is made, and the described hole that sees through is evenly arranged on the tube wall of inner frame pipe.
As the preferred scheme of one, described inner frame pipe comprises axially extended at least two brace rods, discrete some dowels that are connected on two brace rods, and between adjacent two dowels, the gap at interval forms the described hole that sees through.
As the preferred scheme of one, described inner frame pipe is the spiral pipe that helical buckling extends.
As the preferred scheme of one, described outer tube and inner frame pipe are straight tube, and the upper end of the upper end of described outer tube and inner frame pipe is fixed; The lower end of described outer tube is fixedly connected with the lower end of inner frame pipe, on the sidewall of the upper end of described outer tube, is provided with exhausr port, and the lower end of described outer tube is provided with air intake opening, and this air intake opening is used for and is communicated with except moisture source; Described exhausr port, air intake opening form dehumidifying gas channel.
As the preferred scheme of one, described inner frame pipe is swan-neck, this outer tube be enclosed within on swan-neck and and swan-neck between desiccant-filled, on outer tube, be provided with the transparent windows of the agent humidity that sees drying.
As the preferred scheme of one, described permoselective membrane voluble wrapping is in the outside of inner frame pipe.
As the preferred scheme of one, described permoselective membrane is tubulose, and this permoselective membrane suit is coated on the outside of inner frame pipe.
Adopt after technique scheme, effect of the present utility model is: 1. this dehumidification pipe comprises outer tube, inner frame pipe and permoselective membrane, utilize inner frame pipe to support permoselective membrane, thereby ensureing that the size that can increase inner frame pipe under the prerequisite of sufficient intensity is to ensure enough air mass flows; 2. this dehumidification pipe utilizes permoselective membrane can select to allow hydrone see through and dust or dusty gas still exist in inner frame pipe and flow in sensor of dust concentration; And gap between outer tube and inner frame pipe can be provided with drying agent or be communicated with except moisture source, the discharge of the hydrone that can accelerate to have permeated like this, and then accelerate the hydrone infiltration in inner frame pipe.In sum, this dehumidification pipe can be removed airborne moisture fast, make the humidity of the air that enters into atmospheric sampling measuring instrument lower, reduce as much as possible the influence degree of air humidity to dust concentration or dusty gas testing result accuracy, improve the accuracy of the testing result of atmospheric sampling measuring instrument in the time that air humidity is larger.
Again because described inner frame pipe comprises axially extended at least two brace rods, discrete some dowels that are connected on two brace rods, between adjacent two dowels, the gap at interval forms the described hole that sees through, this inner frame pipe see through hole enough large, and intensity still can be enough to strut permoselective membrane and meet and being connected of outer tube, thereby increase the area that sees through hole, can accelerate hydrone infiltration.
Again because the upper end of described outer tube is provided with the connecting portion docking with heating tube end, therefore, the upper end of this outer tube can be docked with heating tube, like this, the higher air of humidity is after heating tube, hydrone becomes water vapor, thereby makes osmotic effect more obvious, has removed as far as possible airborne hydrone.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the structure cut-open view of the utility model embodiment 1;
Fig. 2 is the structural representation of the utility model embodiment 1 the first skeleton pipe;
Fig. 3 is the structural representation of the utility model embodiment 1 the second inner frame pipe;
Fig. 4 is the structural representation of the utility model embodiment 1 the third inner frame pipe;
Fig. 5 is the structural representation of the utility model embodiment 2;
Attached middle school: 1. outer tube; 2. connection bucket; 3. inner frame pipe; 31. brace rods; 32. dowels; 33. see through hole; 4. permoselective membrane; 5. dehumidifying gas channel; 6. heating tube; 7. drying agent; 8. upper end cover; 9. bottom end cover.
Embodiment
Below by specific embodiment, the utility model is described in further detail.
Embodiment 1
As shown in Figure 1, a kind of dehumidification pipe of atmospheric sampling measuring instrument, this dehumidification pipe comprises outer tube 1, inner frame pipe 3, permoselective membrane 4, outer tube 1 is set in the periphery of inner frame pipe 3 and coaxially arranges with inner frame pipe 3; The upper end of the upper end of described outer tube 1 and inner frame pipe 3 is fixed, fixing by connection bucket 2 in the upper end of inner frame pipe 3 and outer tube 1 upper end, and this connection bucket 2 is except playing connection function, and can air be drawn in and be collected, and air is evenly entered; The upper end of described outer tube 1 is provided with the connecting portion docking with heating tube 6 ends.For example can adopt thread connecting mode.The lower end of described outer tube 1 is fixedly connected with the lower end of inner frame pipe 3, lower end can connect by web member, what on this inner frame pipe 3, be provided with that several are convenient to that steam sees through sees through hole 33, described permoselective membrane 4 is coated on inner frame pipe 3, and these permoselective membrane 4 alternatives allow hydrone see through; On the sidewall of the upper end of described outer tube 1, be provided with exhausr port, the lower end of described outer tube 1 is provided with air intake opening, and this air intake opening for being communicated with source of the gas, for example, can adopt compressed air tank that source of the gas is provided; Gap between described exhausr port, outer tube 1 and inner frame pipe 3, air intake opening form dehumidifying gas channel 5.
Wherein, the structure of the inner frame pipe 3 in the utility model has following three kinds of forms at least;
As shown in Figure 3, wherein a kind of structure of described inner frame pipe 3 comprises the body that stainless steel is made, and the described hole 33 that sees through is evenly arranged on the tube wall of inner frame pipe 3, should see through the square hole that is shaped as in hole 33, certainly, does not limit to square hole.
As shown in Figure 1, 2, the described inner frame pipe 3 of this structure comprises axially extended at least two brace rods 31, discrete some the dowels 32 that are connected on two brace rods 31, and between adjacent two dowels 32, the gap at interval forms the described hole 33 that sees through.Wherein, this dowel 32 can be circular arc dowel 32, whole dowel 32, the conglobate inner frame pipe 3 of the common structure of brace rod 31, and the material of this inner frame pipe 3 still can adopt stainless steel.
As shown in Figure 4, the spiral pipe that the inner frame pipe 3 of this structure extends for helical buckling, it forms spring-like shape by a bonding jumper helical buckling, equally also can support permoselective membrane 4 and provide hydrone to see through.
And permoselective membrane 4 is coated on inner frame pipe 3, its coated mode mainly contains: one, and permoselective membrane 4 voluble wrappings are in the outside of inner frame pipe 3; Two, described permoselective membrane 4 is tubulose, and these permoselective membrane 4 suits are coated on the outside of inner frame pipe 3.First kind of way operation is fairly simple, and cost is very low; And that second way permoselective membrane 4 is made into tubulose difficulty is larger, cost is higher, but its osmotic effect is good.
Embodiment 2
As shown in Figure 5, in embodiment 1, outer tube 1 and inner frame pipe 3 are straight tubes, can be used on outdoor atmospheric dust concentration measuring apparatus, the inner frame pipe 3 in the present embodiment is swan-necks, and permoselective membrane 4 still can be coated on inner frame pipe 3 by two kinds of modes in embodiment 1.Wherein the shape of outer tube 1 is made to adaptive change, the whole outer tube 1 that is positioned at of this inner frame pipe 3.Outer tube 1 is provided with bottom end cover 9 and upper end cover 8, and upper end cover 8 is transparent end cap, thereby forms transparent windows, and this outer tube 1 overlaps between inner frame pipe 3 desiccant-filled 1, offers the air intake opening and the gas outlet that are communicated with inner frame pipe 3 on bottom end cover 9.The dehumidification pipe of this structure can be used for the pre-treatment of the gas measurement instrument to humidity sensitive.
The dehumidification pipe of describing in embodiment 1 is adapted to the detection of atmospheric dust concentration or the detection of other dusty gass.And in embodiment 2 because inner frame pipe is swan-neck, therefore, this dehumidification pipe is preferably applicable to the detection of toxic and harmful.
Claims (8)
1. a dehumidification pipe for atmospheric sampling measuring instrument, is characterized in that: this dehumidification pipe comprises outer tube, inner frame pipe, permoselective membrane, and outer tube is set in the periphery of inner frame pipe; Between the upper end of described outer tube and inner frame pipe, be fixedly connected with, be provided with several and be convenient to the hole that sees through that steam sees through on this inner frame pipe, described permoselective membrane is coated on inner frame pipe, and this permoselective membrane alternative allows hydrone see through; In gap between described outer tube and inner frame pipe, this gap, be provided with drying agent or be communicated with except moisture source.
2. the dehumidification pipe of a kind of atmospheric sampling measuring instrument as claimed in claim 1, is characterized in that: described inner frame pipe comprises the body that stainless steel is made, and the described hole that sees through is evenly arranged on the tube wall of inner frame pipe.
3. the dehumidification pipe of a kind of atmospheric sampling measuring instrument as claimed in claim 1, it is characterized in that: described inner frame pipe comprises axially extended at least two brace rods, discrete some dowels that are connected on two brace rods, between adjacent two dowels, the gap at interval forms the described hole that sees through.
4. the dehumidification pipe of a kind of atmospheric sampling measuring instrument as claimed in claim 1, is characterized in that: described inner frame pipe is the spiral pipe that helical buckling extends.
5. the dehumidification pipe of a kind of atmospheric sampling measuring instrument as claimed in claim 1, is characterized in that: described outer tube and inner frame pipe are straight tube, and the upper end of the upper end of described outer tube and inner frame pipe is fixed; The lower end of described outer tube is fixedly connected with the lower end of inner frame pipe, on the sidewall of the upper end of described outer tube, is provided with exhausr port, and the lower end of described outer tube is provided with air intake opening, and this air intake opening is used for and is communicated with except moisture source; Described exhausr port, air intake opening form dehumidifying gas channel.
6. the dehumidification pipe of a kind of atmospheric sampling measuring instrument as claimed in claim 1, it is characterized in that: described inner frame pipe is swan-neck, this outer tube be enclosed within on swan-neck and and swan-neck between desiccant-filled, on outer tube, be provided with the transparent windows of the agent humidity that sees drying.
7. the dehumidification pipe of a kind of atmospheric sampling measuring instrument as described in claim 5 or 6 any one, is characterized in that: described permoselective membrane voluble wrapping is in the outside of inner frame pipe.
8. the dehumidification pipe of a kind of atmospheric sampling measuring instrument as described in claim 5 or 6 any one, is characterized in that: described permoselective membrane is tubulose, and this permoselective membrane suit is coated on the outside of inner frame pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420276297.XU CN203849086U (en) | 2014-05-27 | 2014-05-27 | Dehumidifying tube for atmosphere sampling-measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420276297.XU CN203849086U (en) | 2014-05-27 | 2014-05-27 | Dehumidifying tube for atmosphere sampling-measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203849086U true CN203849086U (en) | 2014-09-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420276297.XU Expired - Fee Related CN203849086U (en) | 2014-05-27 | 2014-05-27 | Dehumidifying tube for atmosphere sampling-measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203849086U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104007006A (en) * | 2014-05-27 | 2014-08-27 | 张家港朗亿机电设备有限公司 | Dehumidification pipe of atmospheric sampling measuring instrument |
| CN106198333A (en) * | 2016-07-15 | 2016-12-07 | 常熟市矿山机电器材有限公司 | A kind of soot emissions continuous monitor system |
| CN107664590A (en) * | 2017-11-01 | 2018-02-06 | 江苏啸峰环保科技股份有限公司 | Flue particulate matter isokinetic sampling and Constant Current Control System and its preprocess method based on jet modulation |
-
2014
- 2014-05-27 CN CN201420276297.XU patent/CN203849086U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104007006A (en) * | 2014-05-27 | 2014-08-27 | 张家港朗亿机电设备有限公司 | Dehumidification pipe of atmospheric sampling measuring instrument |
| CN106198333A (en) * | 2016-07-15 | 2016-12-07 | 常熟市矿山机电器材有限公司 | A kind of soot emissions continuous monitor system |
| CN107664590A (en) * | 2017-11-01 | 2018-02-06 | 江苏啸峰环保科技股份有限公司 | Flue particulate matter isokinetic sampling and Constant Current Control System and its preprocess method based on jet modulation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160401 Address after: 215500 Fushan farm, Hai Yu Town, Suzhou, Jiangsu, Changshou City Patentee after: CHANGSHU MINE ELECTROMECHANICAL EQUIPMENT Co.,Ltd. Address before: 215625, Suzhou, Jiangsu, Zhangjiagang, Kam Fengzhen, Jiangsu Yangtze River International Metallurgical Industry Park, Yang Kam Road on the east side, Zhangjiagang Langevin electrical and mechanical equipment Co., Ltd. Patentee before: ZHANGJIAGANG LANGYI ELECTROMECHANICAL EQUIPMENT CO.,LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140924 |