CN105758680A - Detection device for detecting volatile gas of flowing-state sewage in situ and application method thereof - Google Patents
Detection device for detecting volatile gas of flowing-state sewage in situ and application method thereof Download PDFInfo
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- CN105758680A CN105758680A CN201610212205.5A CN201610212205A CN105758680A CN 105758680 A CN105758680 A CN 105758680A CN 201610212205 A CN201610212205 A CN 201610212205A CN 105758680 A CN105758680 A CN 105758680A
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- tight bottle
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- 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
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- 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
- G01N2001/2244—Exhaled gas, e.g. alcohol detecting
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Abstract
The invention discloses a detection device for detecting volatile gas of flowing-state sewage in situ. The detection device comprises a pre-positioned sealing bottle, a sampling box and a post-positioned sealing bottle, wherein the pre-positioned sealing bottle is connected with a gas inlet pipe and a first connection pipe; a certain volume of absorption liquid is stored in each of the pre-positioned sealing bottle and the post-positioned sealing bottle; openings are formed in the lower parts of the front and back sides of the sampling box, respectively; the flowing-state sewage flows into the sampling box from the opening in one side and flows out from the opening in the other side; the openings are slightly lower than the water surface of the flowing-state sewage, so that the openings are sealed by the flowing-state sewage; the sampling box is connected with a first connection pipe and a second connection pipe; and ports, located in the sampling box, of the first connection pipe and the second connection pipe are higher than the water surface of the flowing-state sewage. The detection device has the advantages that the volatile gas on the surface of the flowing-state sewage in unit area within certain time is directly collected from the flowing-state sewage under the condition that sewage flowing characteristic parameters are not changed and then is subjected to in-situ detection.
Description
Technical field
The invention belongs to the technical field of gas sampling assembly, be specifically related to detecting device and the using method thereof of a kind of in situ detection fluidised form sewage escaping gas.
Background technology
At present, in-situ detection method for sewage escaping gas is mainly sealed gas chamber method, cover on the sewage water surface to be measured by the hermetic container that unit are is certain, make the water surface keep sealing, and within the unit interval, measure the tested gas volatile quantity of sewage surface in hermetic container.This assay method sewage when measuring can only keep the static water surface, and fluidised form sewage is compared with static sewage, specific surface area, fluidised form etc. all differ, the volatility of gas in sewage will be affected, therefore it is badly in need of detecting device and the using method thereof of a kind of in situ detection fluidised form sewage escaping gas, keeps the flow regime of sewage when measuring.
Summary of the invention
The technical problem to be solved is to provide a kind of for above-mentioned the deficiencies in the prior art directly to gather the volatilization gas of unit are fluidised form sewage surface in certain time in fluidised form sewage, and carries out detecting device and the using method thereof of in situ detection.
For realizing above-mentioned technical purpose, the technical scheme that the present invention takes is:
nullThe detecting device of in situ detection fluidised form sewage escaping gas，Wherein: include preposition air-tight bottle、Sampling box and rearmounted air-tight bottle，Preposition air-tight bottle is connected to air inlet pipe and the first connecting tube，Preposition air-tight bottle、The absorption liquid of certain capacity is all filled in rearmounted air-tight bottle，Air inlet pipe one end is in communication with the outside，The other end is submerged in the absorption liquid in preposition air-tight bottle，First connecting tube one end is positioned at above the absorption liquid of preposition air-tight bottle，The other end accesses in sampling box，The bottom of the both sides, front and back of sampling box is respectively equipped with opening，Fluidised form sewage flows into sampling box from a side opening，And flow out from opposite side opening，The height of opening is slightly below fluidised form sewage water surface elevation，Fluidised form sewage is made to seal opening，Sampling box is connected to the second connecting tube，Second connecting tube one end is accessed in sampling box，The other end accesses in rearmounted air-tight bottle and is submerged in the absorption liquid of rearmounted air-tight bottle，First connecting tube、Second connecting tube port in sampling box is above fluidised form sewage water surface elevation，Rearmounted air-tight bottle is connected to escape pipe，Escape pipe one end is positioned at above the absorption liquid of rearmounted air-tight bottle，The other end is in communication with the outside.
For optimizing technique scheme, the concrete measure taked also includes:
Two openings of above-mentioned sampling box are all combined with DOCK LEVELER, and DOCK LEVELER can regulate open height.
The both sides, front and back of the lateral box wall of above-mentioned sampling box are provided with vertical chute, and DOCK LEVELER is provided with projection, and projection stretches into and makes DOCK LEVELER to slide up and down in chute.
Above-mentioned chute inwall is provided with frictional layer, and frictional layer and projection friction make DOCK LEVELER can be fixed on sampling box.
The junction of above-mentioned DOCK LEVELER and sampling box is arranged for sealing.
Above-mentioned sampling box inside top is provided with fan, by built-in control system, controllable ventilation fan time and ventilation.
The using method of the detecting device of in situ detection fluidised form sewage escaping gas, comprises the following steps:
Step one, assemble preposition air-tight bottle, sampling box and rearmounted air-tight bottle, sampling box is erected on fluidised form sewage, regulate DOCK LEVELER, make the height of opening be slightly below fluidised form sewage water surface elevation；
Step 2, quantitatively bleed from escape pipe, due to pressure reduction, air enters from air inlet pipe, air is after the absorption liquid in preposition air-tight bottle purifies, not containing gas body, this gas enters sampling box from the first connecting tube, mixes with the original air of sampling box and fluidised form sewage surface volatilization gas, then entering rearmounted air-tight bottle through the second connecting tube, the liquid that absorbs in rearmounted air-tight bottle absorbs the tested gas componant in mixing gas；
Step 3, after the scheduled time, take off rearmounted air-tight bottle, detect the absorption liquid concentration in rearmounted air-tight bottle, calculate middle detected gas concentration of quantitatively bleeding, be multiplied by sampling box volume and obtain the tested gas volatile quantity of fluidised form sewage surface in the unit interval.
Tested gas is ammonia.
Absorption liquid in preposition air-tight bottle and rearmounted air-tight bottle is dilute sulfuric acid.
The present invention is respectively equipped with fluidised form wastewater inlet and two openings of fluidised form outlet of sewer in the bottom of the both sides, front and back of sampling box, when sampling box is put in fluidised form sewage, fluidised form sewage highly is slightly higher than sampling box opening, seal the gas in sampling box, make it can not dissipate to outside sampling box, the gas of fluidised form sewage surface volatilization enters inside sampling box, air inlet pipe air inlet makes the internal gas that obtains of sampling box flow in rearmounted air-tight bottle from the second connecting tube, it is achieved that the original position sampling to fluidised form sewage surface volatilization gas.After sampling box and preposition air-tight bottle, rearmounted air-tight bottle combine, the in situ detection to fluidised form sewage surface volatilization gas can be realized, the effect of preposition air-tight bottle is to make to be filled with the gas of sampling box not contain gas body composition, ensure that the tested gas gathered is all from the volatilization of fluidised form sewage surface, the effect of preposition air-tight bottle is to dissolve tested gas, tested gas reacts, with absorbing liquid, the material that generation can be qualitatively detected, how many by detecting product, the gas scale of construction can be calculated, thus obtaining the tested gas volatile quantity of fluidised form sewage surface in the unit interval.The present invention also devises DOCK LEVELER further, can regulate the height of sampling box opening, makes sampling box adapt to the fluidised form sewage of different depth, and sampling box inside top is provided with fan, can quickly stir the gas in sampling box, make gas fully mix.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 be altitude mixture control plate height relatively low time sampling box schematic diagram；
Fig. 3 be altitude mixture control plate height higher time sampling box schematic diagram；
Fig. 4 is the schematic diagram of sampling box upper hopper chute；
Fig. 5 is the schematic diagram that the present invention is erected on fluidised form sewage.
Accompanying drawing therein is labeled as: preposition air-tight bottle 1, air inlet pipe the 11, first connecting tube 12, sampling box 2, opening the 21, second connecting tube 22, chute 23, frictional layer 24, rearmounted air-tight bottle 3, escape pipe 31, DOCK LEVELER 4, projection 41, fan 5.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is further illustrated:
nullThe detecting device of in situ detection fluidised form sewage escaping gas，Wherein: include preposition air-tight bottle 1、Sampling box 2 and rearmounted air-tight bottle 3，Preposition air-tight bottle 1 is connected to air inlet pipe 11 and the first connecting tube 12，Preposition air-tight bottle 1、The absorption liquid of certain capacity is all filled in rearmounted air-tight bottle 3，Air inlet pipe 11 one end is in communication with the outside，The other end is submerged in the absorption liquid in preposition air-tight bottle 1，First connecting tube 12 one end is positioned at above the absorption liquid of preposition air-tight bottle 1，The other end accesses in sampling box 2，The bottom of the both sides, front and back of sampling box 2 is respectively equipped with opening 21，Fluidised form sewage flows into sampling box 2 from a side opening，And flow out from opposite side opening，The height of opening 21 is slightly below fluidised form sewage water surface elevation，Fluidised form sewage is made to seal opening 21，Sampling box 2 is connected to the second connecting tube 22，Second connecting tube 22 one end is accessed in sampling box 2，The other end accesses in rearmounted air-tight bottle 3 and is submerged in the absorption liquid of rearmounted air-tight bottle 3，First connecting tube 12、Second connecting tube 22 port in sampling box 2 is above fluidised form sewage water surface elevation，Rearmounted air-tight bottle 3 is connected to escape pipe 31，Escape pipe 31 one end is positioned at above the absorption liquid of rearmounted air-tight bottle 3，The other end is in communication with the outside.
In embodiment, two openings 21 of sampling box 2 are all combined with DOCK LEVELER 4, and DOCK LEVELER 4 can regulate opening 21 height.
In embodiment, the both sides, front and back of the lateral box wall of sampling box 2 are provided with vertical chute 23, and DOCK LEVELER 4 is provided with projection 41, and projection 41 stretches into and makes DOCK LEVELER 4 to slide up and down in chute 23.
In embodiment, chute 23 inwall is provided with frictional layer 24, and frictional layer 24 makes DOCK LEVELER 4 can be fixed on sampling box 2 with projection 41 friction.
In embodiment, the junction of DOCK LEVELER 4 and sampling box 2 is arranged for sealing.
In embodiment, sampling box 2 inside top is provided with fan 5, by built-in control system, controllable ventilation fan time and ventilation.
The using method of the detecting device of in situ detection fluidised form sewage escaping gas, comprises the following steps:
Step one, assemble preposition air-tight bottle 1, sampling box 2 and rearmounted air-tight bottle 3, sampling box 2 is erected on fluidised form sewage, regulate DOCK LEVELER 4, make the height of opening 21 be slightly below fluidised form sewage water surface elevation；
Step 2, quantitatively bleed from escape pipe 31, due to pressure reduction, air enters from air inlet pipe 11, air is after the absorption liquid in preposition air-tight bottle 1 purifies, not containing gas body, this gas enters sampling box 2 from the first connecting tube 12, mixes with the original air of sampling box and fluidised form sewage surface volatilization gas, then entering rearmounted air-tight bottle 3 through the second connecting tube 22, the liquid that absorbs in rearmounted air-tight bottle 3 absorbs the tested gas componant in mixing gas；
Step 3, after the scheduled time, take off rearmounted air-tight bottle 3, detect the absorption liquid concentration in rearmounted air-tight bottle 3, calculate middle detected gas concentration of quantitatively bleeding, be multiplied by sampling box 2 volume and obtain the tested gas volatile quantity of fluidised form sewage surface in the unit interval.
Tested gas is ammonia.
Absorption liquid in preposition air-tight bottle 1 and rearmounted air-tight bottle 3 is dilute sulfuric acid.
Being worth one to say, this device is not limited to the ammonia composition in detection fluidised form sewage, it is also possible to being used for detecting other gas, accordingly, the absorption liquid of use also to match with this detected gas.
Below being only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment, and all technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that, for those skilled in the art, some improvements and modifications without departing from the principles of the present invention, should be regarded as protection scope of the present invention.
Claims (9)
- null1. the detecting device of in situ detection fluidised form sewage escaping gas，It is characterized in that: include preposition air-tight bottle (1)、Sampling box (2) and rearmounted air-tight bottle (3)，Described preposition air-tight bottle (1) is connected to air inlet pipe (11) and the first connecting tube (12)，Described preposition air-tight bottle (1)、The absorption liquid of certain capacity is all filled in rearmounted air-tight bottle (3)，Described air inlet pipe (11) one end is in communication with the outside，The other end is submerged in the absorption liquid in preposition air-tight bottle (1)，Described the first connecting tube (12) one end is positioned at above the absorption liquid of preposition air-tight bottle (1)，The other end accesses in sampling box (2)，The bottom of the both sides, front and back of described sampling box (2) is respectively equipped with opening (21)，Fluidised form sewage flows into sampling box (2) from a side opening，And flow out from opposite side opening，The height of described opening (21) is slightly below fluidised form sewage water surface elevation，Fluidised form sewage is made to seal opening (21)，Described sampling box (2) is connected to the second connecting tube (22)，Described the second connecting tube (22) one end is accessed in sampling box (2)，The other end accesses in rearmounted air-tight bottle (3) and is submerged in the absorption liquid of rearmounted air-tight bottle (3)，Described the first connecting tube (12)、Second connecting tube (22) port in sampling box (2) is above fluidised form sewage water surface elevation，Described rearmounted air-tight bottle (3) is connected to escape pipe (31)，Described escape pipe (31) one end is positioned at above the absorption liquid of rearmounted air-tight bottle (3)，The other end is in communication with the outside.
- 2. the detecting device of in situ detection fluidised form sewage escaping gas according to claim 1, it is characterized in that: two openings (21) of sampling box (2) are all combined with DOCK LEVELER (4), and described DOCK LEVELER (4) can regulate opening (21) highly.
- 3. the detecting device of in situ detection fluidised form sewage escaping gas according to claim 2, it is characterized in that: the both sides, front and back of the lateral box wall of described sampling box (2) are provided with vertical chute (23), being provided with projection (41) on described DOCK LEVELER (4), described projection (41) stretches into and makes DOCK LEVELER (4) to slide up and down in chute (23).
- 4. the detecting device of in situ detection fluidised form sewage escaping gas according to claim 3, it is characterized in that: described chute (23) inwall is provided with frictional layer (24), and described frictional layer (24) makes DOCK LEVELER (4) can be fixed on sampling box (2) with projection (41) friction.
- 5. the detecting device of in situ detection fluidised form sewage escaping gas according to claim 4, it is characterised in that: the junction of described DOCK LEVELER (4) and sampling box (2) is arranged for sealing.
- 6. the detecting device of in situ detection fluidised form sewage escaping gas according to claim 5, it is characterized in that: described sampling box (2) inside top is provided with fan (5), by built-in control system, controllable ventilation fan time and ventilation.
- 7. the using method of the detecting device of in situ detection fluidised form sewage escaping gas as claimed in claim 2, it is characterised in that: comprise the following steps:Step one, assemble preposition air-tight bottle (1), sampling box (2) and rearmounted air-tight bottle (3), sampling box (2) is erected on fluidised form sewage, regulate DOCK LEVELER (4), make the height of opening (21) be slightly below fluidised form sewage water surface elevation；Step 2, quantitatively bleed from escape pipe (31), due to pressure reduction, air enters from air inlet pipe (11), air is after the absorption liquid in preposition air-tight bottle (1) purifies, do not contain gas body, this gas enters sampling box (2) from the first connecting tube (12), mix with the original air of sampling box and fluidised form sewage surface volatilization gas, then entering rearmounted air-tight bottle (3) through the second connecting tube (22), the liquid that absorbs in rearmounted air-tight bottle (3) absorbs the tested gas componant in mixing gas；Step 3, after the scheduled time, take off rearmounted air-tight bottle (3), detect the absorption liquid concentration in rearmounted air-tight bottle (3), calculate middle detected gas concentration of quantitatively bleeding, be multiplied by sampling box (2) volume and obtain the tested gas volatile quantity of fluidised form sewage surface in the unit interval.
- 8. the using method of the detecting device of in situ detection fluidised form sewage escaping gas according to claim 7, it is characterised in that: tested gas is ammonia.
- 9. the using method of the detecting device of in situ detection fluidised form sewage escaping gas according to claim 8, it is characterised in that: preposition air-tight bottle (1) and the absorption liquid in rearmounted air-tight bottle (3) they are dilute sulfuric acid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610212205.5A CN105758680A (en) | 2016-04-07 | 2016-04-07 | Detection device for detecting volatile gas of flowing-state sewage in situ and application method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610212205.5A CN105758680A (en) | 2016-04-07 | 2016-04-07 | Detection device for detecting volatile gas of flowing-state sewage in situ and application method thereof |
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| CN201610212205.5A Pending CN105758680A (en) | 2016-04-07 | 2016-04-07 | Detection device for detecting volatile gas of flowing-state sewage in situ and application method thereof |
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Citations (6)
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| JP2000292323A (en) * | 1999-04-08 | 2000-10-20 | Mitsubishi Electric Corp | Volatile component exhausting device |
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| CN103245536A (en) * | 2013-04-26 | 2013-08-14 | 杨铁钊 | Device for collecting ammonia volatilized from plant leaf and detection method of device |
| CN103364232A (en) * | 2013-07-22 | 2013-10-23 | 北京林业大学 | Collection device for ammonia gas in soil and method for determining loss amount of nitrogen in soil by using same |
| CN205483705U (en) * | 2016-04-07 | 2016-08-17 | 环境保护部南京环境科学研究所 | Detection apparatus for it is gaseous that normal position detects flow state sewage volatility |
-
2016
- 2016-04-07 CN CN201610212205.5A patent/CN105758680A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000292323A (en) * | 1999-04-08 | 2000-10-20 | Mitsubishi Electric Corp | Volatile component exhausting device |
| CN202181546U (en) * | 2011-08-02 | 2012-04-04 | 湖北楚峰水电工程有限公司 | Manual water dividing gate for irrigation canal |
| CN103063481A (en) * | 2012-12-28 | 2013-04-24 | 浙江大学 | Automatic sampling device and sampling method for surface source gas |
| CN103245536A (en) * | 2013-04-26 | 2013-08-14 | 杨铁钊 | Device for collecting ammonia volatilized from plant leaf and detection method of device |
| CN103364232A (en) * | 2013-07-22 | 2013-10-23 | 北京林业大学 | Collection device for ammonia gas in soil and method for determining loss amount of nitrogen in soil by using same |
| CN205483705U (en) * | 2016-04-07 | 2016-08-17 | 环境保护部南京环境科学研究所 | Detection apparatus for it is gaseous that normal position detects flow state sewage volatility |
Non-Patent Citations (1)
| Title |
|---|
| 郭静波等: "城市污水处理厂温室气体的排放及减排对策", 《化工进展》 * |
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Application publication date: 20160713 |
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