CN209280669U - A kind of ammonia gas detecting system - Google Patents
A kind of ammonia gas detecting system Download PDFInfo
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- CN209280669U CN209280669U CN201821928496.9U CN201821928496U CN209280669U CN 209280669 U CN209280669 U CN 209280669U CN 201821928496 U CN201821928496 U CN 201821928496U CN 209280669 U CN209280669 U CN 209280669U
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Abstract
The utility model relates to a kind of ammonia gas detecting systems, including sequentially connected sampling apparatus, transfer conduit and analysis cabinet, and sampling apparatus includes more sampling pipes and air distribution gear, and air distribution gear includes column and the air distribution disk for being rotationally connected with column one end；Column offers multiple air flues through column centered on axis and in the axial direction, each air flue is respectively communicated with each sampling pipe, air distribution disk offers one point of stomata close to the side of column, air distribution disk is fixedly connected with and the escape pipe that divides stomata to be connected to far from one end of column, escape pipe and transfer conduit are rotatablely connected, and transfer conduit is additionally provided with triple valve close to one end of analysis cabinet, and triple valve one end is connect with transfer conduit, one end is connect with analysis cabinet, and the other end is connected with exhaust pipe.The utility model has and can be detected respectively to carrying out multi-point sampling and can be realized in flue simultaneously, easy to operate, improves the effect of working efficiency.
Description
Technical field
The utility model relates to the technical fields of gas sampling measurement, more particularly, to a kind of ammonia gas detecting system.
Background technique
In the industrial production of modernization, the flue gas that fire coal generates is that serious pollution is brought to environment；Atmospheric aerosol,
Phenomena such as acid rain, greenhouse effects and depletion of the ozone layer, is related with coal-fired flue-gas.For this purpose, the purification of coal-fired flue-gas is protection
The important means of environment.According to the pertinent regulations of current country, factory must carry out the processing of desulfurization and denitration to coal-fired flue-gas.
In China, the specification and technology of flue gas desulfurization have been mature on the whole, and denitration technology on a large scale development in.It is so-called de-
Nitre is primarily referred to as the nitrogen oxides in purifying smoke, and the principle of denitrating flue gas is, using ammonia (NH3) as reducing agent, to be aided with gold
Reduction reaction occurs for the nitrogen oxides in metal catalyst, with flue gas.Control in denitrification process, for reducing agent ammonia level
It is that comparison is stringent, ammonia can excessively form a large amount of ammonium salt in reflection, have an impact to upstream device.So the prior art
The middle ammonia concentration that will be escaped by measurement, to control the content of ammonia.
Existing to can refer to the Chinese utility model patent that Authorization Notice No. is CN203837978U, it discloses a kind of ammonias
Detection device, described device specifically include: sampling probe acquires gas sample for connecting flue from flue；Collection tube
Line transmits sampling probe gas sample collected for connecting sampling probe；Cabinet is analyzed, for acquiring gas for sampling probe
Body sample, which provides, extracts pressure, receives the gas sample and carries out analysis measurement, obtains ammonia concentration.
When gas detects in flue at present, for the accuracy for guaranteeing detection, it is typically necessary progress multiple spot and adopts
Sample is detected, and above-mentioned this ammonia detection device after primary sampling, needs to re-move sampling probe after being merely able to
Position samples the another location of flue and is tested again, and cumbersome, using trouble is operated, and working efficiency is low.
Utility model content
The purpose of the utility model is to provide one kind to progress multi-point sampling in flue and can be realized difference simultaneously
Detection, it is easy to operate, improve the ammonia gas detecting system of working efficiency.
The foregoing invention purpose of the utility model has the technical scheme that
A kind of ammonia gas detecting system, including sequentially connected sampling apparatus, transfer conduit and analysis cabinet, the sampling cartridge
It sets including more sampling pipes and air distribution gear, the air distribution gear includes column and is rotationally connected with column one end
Air distribution disk；The column offers multiple air flues through column centered on axis and in the axial direction, and each air flue is remote
It is respectively communicated with from one end of air distribution disk and each sampling pipe, the air distribution disk offers one close to the side of column and turns with air distribution disk
What kinetic energy was enough successively connected to each air flue divides stomata, and the air distribution disk is fixedly connected with and divides far from one end middle part of column
The escape pipe of stomata connection, the escape pipe and transfer conduit are rotatablely connected, and one end of the close analysis cabinet of the transfer conduit is also
It is provided with triple valve, triple valve one end is connect with transfer conduit, and one end is connect with analysis cabinet, and the other end is connected with exhaust pipe.
By using above-mentioned technical proposal, in use, can be according to use demand, by each position of each sampling pipe and flue
Multi-point sampling is realized in connection, and then regulating three-way valve makes, and is connected to transfer conduit with analysis cabinet, then, operator can basis
Requirement rotates air distribution disk, and make air distribution disk divides stomata to be connected to an air flue of column, so as to so that a sampling
The gas of pipe acquisition enters escape pipe by dividing from air flue in stomata, and enters transfer conduit by escape pipe and be delivered to analysis
Cabinet analysis can rotate air distribution disk and be connected to another air flue, other air flues are blocked by air distribution disk at this time after the completion of the analysis of the road
Can not outlet, then regulating three-way valve, is connected to transfer conduit with exhaust pipe, is discharged in transfer conduit in a remaining upper air flue
Gas, regulating three-way valve makes again, make transfer conduit with analysis cabinet be connected to, connect the gas that can be analyzed in the road air flue at this time
Body reduces the residual of gas in an air flue, improves the precision and efficiency of detection, and repeating the above steps can be convenient
Realize the gas analysis of different sampling pipe acquisitions, it is easy to operate, it is easy to use.
The utility model is further arranged to: aspiration pump is fixedly connected in the middle part of the exhaust pipe, the exhaust pipe is remote
One end from triple valve is also fixedly connected with air filter.
By using above-mentioned technical proposal, when work, after regulating three-way valve is connected to transfer conduit with exhaust pipe, pass through
Aspiration pump will quickly can be extracted out in transfer conduit, and the exhaust gas of extraction will enter air filter and enter filtering, finally be discharged.
The utility model is further arranged to: being provided with heating device on the outside of the transfer conduit.
By using above-mentioned technical proposal, by using heating device heat to transfer conduit can be to transfer tube
Gas in road is heated, to cause the object to be detected in gas to be adsorbed to transmission when avoiding transfer conduit temperature too low
Detection accuracy is influenced on pipeline inner wall, and then ensure that the analysis precision of gas.
The utility model is further arranged to: the column circumferential surface corresponds to each air flue and the position of sealing opens up
There is the first instruction slot, the circumferential surface correspondence of the air distribution disk divides the position of stomata to offer the second instruction slot.
By using above-mentioned technical proposal, when work, can cooperate according to the first instruction slot and the second instruction slot, just
Just realization divides being sequentially communicated for stomata and each air flue, easy to use.
The utility model is further arranged to: the column corresponds to the position between adjacent air flue close to one end of air distribution disk
It sets and offers holding tank identical with column body axis direction, positioning ball, the positioning ball are provided in the holding tank
Positioning ball can be pushed to tend away from the mobile spring in locating slot direction with accommodating to be fixedly connected between groove bottom, it is described to divide gas
Disk also offers locating slot close to the position that one end of column corresponds to each positioning ball respectively.
By using above-mentioned technical proposal, when rotating air distribution disk, positioning ball can pass through spring automatic retracted to holding tank
The interior rotation convenient for air distribution disk, when turning to air flue with dividing stomata to be connected to, the side for positioning ball can be pushed away automatically by spring
It send to the bottom surface of locating slot is connected to, to realize the positioning between air distribution disk and column, is easy to use, it is easy to operate.
The utility model is further arranged to: the air distribution disk is fixedly connected with gasket close to one end of column, institute
Stating gasket correspondence divides the position of stomata to offer through-hole.
By using above-mentioned technical proposal, by using gasket can further increase air distribution disk and columnar part it
Between leakproofness, protect every time detection can only be passed through detection gas all the way.
The utility model is further arranged to: being connected with sealing ring between the escape pipe and transfer conduit.
By using above-mentioned technical proposal, transfer conduit and escape pipe can further be increased by the sealing ring of setting
Between leakproofness also avoid transfer conduit and escape pipe so that outside air be avoided to enter between transfer conduit and escape pipe
Between gas overflow be dissipated in air, protect detection accuracy.
The utility model is further arranged to: the side of the escape pipe, which is fixedly connected with, can be turned on and off escape pipe
Control valve.
By using above-mentioned technical proposal, power cut-off or when starting to work can be opened or closed out by control valve
Tracheae, it is easy to use easy to operate.
In conclusion the advantageous effects of the utility model are as follows:
1. multi-point sampling is realized in use, each position of each sampling pipe and flue can be connected according to use demand,
Then regulating three-way valve makes, and is connected to transfer conduit with analysis cabinet, then, operator can rotate a point gas according to requirements
Disk, make air distribution disk divides stomata to be connected to an air flue of column, so as to so that the gas of sampling pipe acquisition from gas
Road enters escape pipe by dividing in stomata, and enters transfer conduit by escape pipe and be delivered to analysis cabinet analysis, road analysis
After the completion, air distribution disk can be rotated to be connected to another air flue, at this time other air flues by air distribution disk block can not outlet, then adjust
Triple valve is saved, is connected to transfer conduit with exhaust pipe, the gas in a upper air flue remaining in transfer conduit is discharged, adjusts again
Triple valve makes, and is connected to transfer conduit with analysis cabinet, connects the gas that can be analyzed in the road air flue at this time, reduce an air flue
The residual of interior gas improves the precision and efficiency of detection, and repeating the above steps can easily realize that different sampling pipes are adopted
The gas analysis of collection, it is easy to operate, it is easy to use；
, can be quickly by transfer conduit by aspiration pump after 2. regulating three-way valve is connected to transfer conduit with exhaust pipe
Middle extraction, the exhaust gas of extraction will enter air filter and enter filtering, finally be discharged；
3. by using heating device transfer conduit is heated and can be heated to the gas in transfer conduit,
When to avoid transfer conduit temperature too low, causing the object to be detected in gas to be adsorbed on transfer conduit inner wall influences detection essence
Degree, and then ensure that the analysis precision of gas.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model.
Fig. 2 is the schematic diagram of the utility model air distribution gear.
Fig. 3 is the positioning mechanism schematic diagram of the utility model.
In figure, 1, sampling apparatus；11, sampling pipe；12, sampling probe；2, transfer conduit；21, heating device；22, threeway
Valve；23, exhaust pipe；24, aspiration pump；25, air filter；3, cabinet is analyzed；4, air distribution gear；41, column；411, air flue；
412, the first instruction slot；42, air distribution disk；421, divide stomata；422, escape pipe；4221, control valve；423, gasket；424,
Two instruction slots；425, sealing ring；5, positioning mechanism；51, holding tank；52, ball is positioned；53, spring；54, locating slot.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
It referring to Fig.1, is a kind of ammonia gas detecting system disclosed by the utility model, including sequentially connected sampling apparatus 1, biography
Defeated pipeline 2 and analysis cabinet 3.And sampling apparatus 1 samples flue dust, transfer conduit 2 is then sent to, finally by transfer tube
It send to analysis cabinet 3 and is analyzed in road 2.
Sampling apparatus 1 includes more sampling pipes 11 and the air distribution gear 4 being separately connected with more sampling pipes 11, and more are adopted
Sample pipe 11 has been respectively fixedly connected with sampling probe 12 far from one end of air distribution gear 4, and multiple sampling probes 12 are connected to cigarette
Each position in road.
Referring to Fig. 2, air distribution gear 4 includes column 41 and air distribution disk 42, and column 41 is centered on axis and along column
The axis direction of shape body 41 offers multiple air flues 411 that can run through column 41, and one end of each air flue 411 can be with each
Sampling pipe 11 is fixedly connected, and air distribution disk 42 is rotationally connected with the one end of column 41 far from sampling pipe 11, and air distribution disk 42 and column
41 coaxial line of shape body, air distribution disk 42 offer one point of stomata at the eccentric position that the side of column 41 corresponds to air distribution disk 42
421, point stomata 421 can be made successively to be connected to each air flue 411 with the rotation of air distribution disk 42.Air distribution disk 42 is far from column 41
One end be fixedly connected with escape pipe 422, escape pipe 422 is located at the axial location of air distribution disk 42, and escape pipe 422 and divides gas
Hole 421 is connected to.The side of escape pipe 422 is also fixedly connected with the control valve 4221 that can open or close escape pipe 422.Work
When, according to detection demand, each sampling pipe 11 is connect with each position of flue, realizes multi-point sampling, then operator can root
Air distribution disk 42 is rotated according to requirement, is sequentially communicated the gas outlet of air distribution disk 42 and each air flue 411 of column 41, thus
The gas that can only make a sampling pipe 11 acquire every time is from air flue 411 by entering escape pipe 422, power cut-off in gas outlet
Afterwards, adjusting control valve 4221 turns off escape pipe 422.
It is additionally provided with positioning mechanism 5 close to one end close to dial referring to Fig. 2 and Fig. 3 column 41, positioning mechanism 5 wraps
It includes and is opened in 41 end face of column and the holding tank 51 between adjacent air flue 411, the axis direction and column of holding tank 51
The axis direction of body 41 is identical, and positioning ball 52 is provided in holding tank 51, positions also solid between ball 52 and 51 bottom surface of holding tank
Surely it is connected with spring 53, spring 53 and 51 coaxial line of holding tank, and under normality, spring 53 can push positioning ball 52 to tend away from
The direction of holding tank 51 moves.The position of the corresponding each positioning ball 52 of air distribution disk 42 also has locating slot 54, each locating slot 54
Side push by spring 53 and can be connected to corresponding 54 bottom surface of locating slot, improve air distribution disk 42 and column to be further
Leakproofness between shape body 41, air distribution disk 42 are fixedly connected with gasket 423 close to one end of column 41.Rotate air distribution disk 42
When, positioning ball 52 can be by being convenient for the rotation of air distribution disk 42, when turning to air flue in spring 53 automatic retracted to holding tank 51
411 with when dividing the stomata 421 to be connected to, and the side of positioning ball 52 can pass through 53 automatic push of spring to the bottom for being connected to locating slot 54
Face is easy to use to realize the positioning between air distribution disk 42 and column 41, easy to operate.
The position that the circumferential surface of column 41 corresponds to each air flue 411 offers the first instruction slot 412, the circumferential surface of air distribution disk 42
Corresponding that the position of stomata 421 is divided to be also provided with the second instruction slot 424, when work, can be according to the first instruction slot 412 and the second finger
Show that slot 424 cooperates, convenient realize divides being sequentially communicated for stomata 421 and each air flue 411, easy to use.
Fig. 1 and Fig. 2 are reviewed, escape pipe 422 is rotationally connected with transfer conduit 2, and between transfer conduit 2 and escape pipe 422
It is additionally provided with sealing ring 425, the side of transfer conduit 2 is also fixedly connected with the heating device 21 that can be heated to transfer conduit 2.
When work, escape pipe 422 is rotationally connected with transfer conduit 2 and can be avoided transfer conduit 2 and rotate with escape pipe 422, and passes through
Leakproofness between transfer conduit 2 and escape pipe 422,21 pairs of heating device biographies can further be reinforced using sealing ring 425
Defeated pipeline 2 is heated, and can be heated to the gas in transfer conduit 2, thus when avoiding 2 temperature of transfer conduit too low,
Causing the object to be detected in gas to be adsorbed on 2 inner wall of transfer conduit influences detection accuracy, and then ensure that the analysis essence of gas
Degree.
Transfer conduit 2 is provided with triple valve 22, one end of triple valve 22 between one end and analysis cabinet 3 of analysis cabinet 3
It is fixedly connected with transfer conduit 2, one end is connect with analysis cabinet 3, and the other end is fixedly connected with exhaust pipe 23, in exhaust pipe 23
Portion is fixedly connected with aspiration pump 24, and the one end of exhaust pipe 23 far from triple valve 22 is also fixedly connected with air filter 25.Work
When, it, can be quickly by transfer conduit by aspiration pump 24 after regulating three-way valve 22 is connected to transfer conduit 2 with exhaust pipe 23
It is extracted out in 22, the exhaust gas of extraction will enter air filter 25 and enter filtering, finally be discharged.
The implementation principle of the present embodiment are as follows: in use, can be according to use demand, by everybody of each sampling pipe 11 and flue
It sets connection, realizes multi-point sampling, then regulating three-way valve is connected to transfer conduit 2 with cabinet 3 is analyzed, and then, operator is according to making
With rotation air distribution disk 42 is required, make air distribution disk 42 divides stomata 421 to be connected to an air flue 411 of column 41, so as to
The gas for acquiring a sampling pipe 11 enters escape pipe 422 by dividing from air flue 411 in stomata 421, and passes through escape pipe 422
Into transfer conduit 2 and be delivered to analysis cabinet 3 analyze, the road analysis after the completion of, air distribution disk 42 and another air flue 411 can be rotated
Connection, at this time other air flues 411 by air distribution disk 42 block can not outlet, then regulating three-way valve 22 make transfer conduit 2 and row
Tracheae 23 is connected to, and the gas in a upper air flue 411 remaining in transfer conduit 2 is discharged, regulating three-way valve 22, make transfer tube again
Road 2 is connected to analysis cabinet 3, is connect the gas that can be analyzed in the road air flue 411 at this time, is reduced gas in an air flue 411
Residual, improves the precision and efficiency of detection, and repeat the above steps the gas that can easily realize that different sampling pipes 11 acquire
Body analysis, it is easy to operate, it is easy to use.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this
The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical
Within novel protection scope.
Claims (8)
1. a kind of ammonia gas detecting system, including sequentially connected sampling apparatus (1), transfer conduit (2) and analysis cabinet (3),
Be characterized in that: the sampling apparatus (1) includes more sampling pipes (11) and air distribution gear (4), and the air distribution gear (4) includes
Column (41) and the air distribution disk (42) for being rotationally connected with column (41) one end；The column (41) is centered on axis
And multiple air flues (411) through column (41) are offered in the axial direction, the one of each air flue (411) separate air distribution disk (42)
End is respectively communicated with each sampling pipe (11), and the air distribution disk (42) offers one with air distribution disk close to the side of column (41)
(42) what rotation can be successively connected to each air flue (411) divides stomata (421), and the air distribution disk (42) is far from column (41)
One end in the middle part of be fixedly connected with and divide the stomata escape pipe that (421) are connected to (422), the escape pipe (422) and transfer conduit
(2) it is rotatablely connected, the transfer conduit (2) is additionally provided with triple valve (22) close to one end of analysis cabinet (3), triple valve (22) one
End is connect with transfer conduit (2), and one end is connect with analysis cabinet (3), and the other end is connected with exhaust pipe (23).
2. a kind of ammonia gas detecting system according to claim 1, it is characterised in that: the middle part of the exhaust pipe (23) is fixed
It is connected with aspiration pump (24), the exhaust pipe (23) is also fixedly connected with air filter far from the one end of triple valve (22)
(25)。
3. a kind of ammonia gas detecting system according to claim 1, it is characterised in that: set on the outside of the transfer conduit (2)
It is equipped with heating device (21).
4. a kind of ammonia gas detecting system according to claim 1, it is characterised in that: column (41) circumferential surface is corresponding each
The position of air flue (411) offers the first instruction slot (412), and the circumferential surface correspondence of the air distribution disk (42) divides stomata (421)
Position offers the second instruction slot (424).
5. a kind of ammonia gas detecting system according to claim 1, it is characterised in that: the column (41) is close to air distribution disk
(42) position that one end corresponds between adjacent air flue (411) offers locating slot identical with column (41) axis direction
(54), positioning ball (52) is provided in the locating slot (54), it is solid between the positioning ball (52) and locating slot (54) bottom surface
Surely being connected with can push positioning ball (52) to tend away from the mobile spring (53) in locating slot (54) direction, the air distribution disk (42)
The position for corresponding to each positioning ball (52) close to the one end of column (41) also offers locating slot (54) respectively.
6. a kind of ammonia gas detecting system according to claim 1, it is characterised in that: the air distribution disk (42) is close to column
(41) one end is fixedly connected with gasket (423).
7. a kind of ammonia gas detecting system according to claim 1, it is characterised in that: the escape pipe (422) and transfer tube
Sealing ring (425) are connected between road (2).
8. a kind of ammonia gas detecting system according to claim 1, it is characterised in that: the side of the escape pipe (422) is solid
Surely it is connected with the control valve (4221) that can be turned on and off escape pipe (422).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821928496.9U CN209280669U (en) | 2018-11-21 | 2018-11-21 | A kind of ammonia gas detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821928496.9U CN209280669U (en) | 2018-11-21 | 2018-11-21 | A kind of ammonia gas detecting system |
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| Publication Number | Publication Date |
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| CN209280669U true CN209280669U (en) | 2019-08-20 |
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ID=67602148
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| CN201821928496.9U Active CN209280669U (en) | 2018-11-21 | 2018-11-21 | A kind of ammonia gas detecting system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111751175A (en) * | 2020-06-30 | 2020-10-09 | 中国航发动力股份有限公司 | Sampling device and method for tail gas measurement |
-
2018
- 2018-11-21 CN CN201821928496.9U patent/CN209280669U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111751175A (en) * | 2020-06-30 | 2020-10-09 | 中国航发动力股份有限公司 | Sampling device and method for tail gas measurement |
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