CN209148660U - A kind of ammonia shunting detection system - Google Patents
A kind of ammonia shunting detection system Download PDFInfo
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- CN209148660U CN209148660U CN201821929855.2U CN201821929855U CN209148660U CN 209148660 U CN209148660 U CN 209148660U CN 201821929855 U CN201821929855 U CN 201821929855U CN 209148660 U CN209148660 U CN 209148660U
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Abstract
The utility model relates to ammonia sample detecting technical fields, more particularly to a kind of ammonia shunting detection system, including analysis cabinet and the sampling apparatus being connected with analysis cabinet, sampling apparatus includes air distribution disk, the shaft that is fixed in the middle part of air distribution disk and the turntable for being rotatably connected in shaft and being formed with air distribution disk gap, multiple gas-guide tubes being circumferentially distributed are embedded on air distribution disk, each gas-guide tube is connected with flared tube close to one end of turntable, the biggish one end of bore is abutted with the surface of turntable on flared tube, the position of a corresponding wherein flared tube, which is run through, on turntable is communicated with escape pipe, the one end of escape pipe far from flared tube is connected with analysis cabinet, gas-guide tube is communicated with sampling pipe far from one end of flared tube, sampling pipe is connected with the different location of flue.The utility model has the advantages that can sample to the multiple spot in flue, while as needed, being directed to for the property of can choose wherein is analyzed and is detected, easy to operate, is improved work efficiency.
Description
Technical field
The utility model relates to ammonia sample detecting technical fields, more particularly, to a kind of ammonia shunting detection system.
Background technique
In the industrial production of modernization, the flue gas that fire coal generates is that serious pollution is brought to environment；Atmosphere cigarette
Phenomena such as dirt, 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
Protect the important means of environment.According to the pertinent regulations of current country, factory must carry out desulfurization and denitration to coal-fired flue-gas
Processing.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.
So-called denitration is primarily referred to as the nitrogen oxides in purifying smoke, and the principle of denitrating flue gas is, using ammonia (NH 3) as reduction
Agent is aided with metallic catalyst, and reduction reaction occurs with the nitrogen oxides in flue gas.In denitrification process, for reducing agent ammonia
The control of content is that comparison is stringent, and ammonia can excessively form a large amount of ammonium salt in reflection, is had an impact to upstream device.Institute
With the ammonia concentration that will be escaped in the prior art 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, carry out multi-point sampling is generally required
Detection, above-mentioned this ammonia detection device can only re-move the position of sampling probe, thus right after completing primary sampling
The another location of flue is sampled, is tested, and cumbersome, using trouble is operated, and working efficiency is low.
Utility model content
The purpose of the utility model is to provide a kind of ammonias with detection system is shunted, its advantage is that can be to more in flue
Point is sampled, while as needed, and being directed to for the property of can choose wherein is analyzed and detected, easy to operate, is improved
Working efficiency.
The above-mentioned technical purpose of the utility model has the technical scheme that a kind of ammonia shunts inspection
Examining system, including analysis cabinet, further include with the sampling apparatus that is connected of analysis cabinet, the sampling apparatus include air distribution disk,
Be fixed in the middle part of the air distribution disk and the shaft that extends to side and be rotatably connected in the shaft and with the air distribution disk
The turntable in gap is formed, is embedded with multiple gas-guide tubes being circumferentially distributed on the air distribution disk, each gas-guide tube is close to institute
The one end for stating turntable is connected with flared tube, and the biggish one end of bore and the surface of the turntable are supported on the flared tube
It connects, the position of a corresponding wherein flared tube is through escape pipe is communicated on the turntable, and the escape pipe is far from the expansion
One end of mouth pipe is connected with the analysis cabinet, and the gas-guide tube is communicated with sampling pipe far from one end of the flared tube, described
Sampling pipe is connected with the different location of flue.
Through the above technical solutions, a plurality of sampling pipe is sampled simultaneously when work, then through gas-guide tube by sample flue gas
It is delivered at flared tube, at this point, staff can be connected to by rotation turntable to control escape pipe with which flared tube, so
The sample flue gas in corresponding pipeline is delivered at analysis cabinet by escape pipe afterwards and carries out single detection, in the process of rotation turntable
In, flared tube is tightly connected with the side wall of turntable always, compared with the prior art in detection device, the shunting inspection in the application
Examining system can sample the multiple spot in flue, while as needed, and being directed to for the property of can choose wherein is divided
Analysis and detection, it is easy to operate, it improves work efficiency.
The utility model is further arranged to: one end in the shaft far from the air distribution disk is provided with to the turntable
The fixed part positioned, the fixed part include the end plate being fixed in the shaft far from described air distribution disk one end, screw thread company
It connects on the end plate screw rod to be pushed against to the turntable and is fixed in the screw rod far from described end plate one end
Knob.
Through the above technical solutions, the setting of fixed part prevents shadow of the turntable due to external force for positioning to turntable
The case where ringing and rotate, and then causing to misplace between escape pipe and flared tube, leak air；Rotation is rotated when use
Button is pushed against screw rod on turntable；When switching pipeline, then screw rod is unscrewed by knob.
The utility model is further arranged to: control sample flue gas on-off is equipped between the gas-guide tube and the flared tube
Aux. control valve.
Through the above technical solutions, the setting of aux. control valve prevents sampling apparatus for controlling the on-off of sample flue gas
In use for some time, turntable generates scratch due to phase mutual friction between the side and flared tube of flared tube, in turn
Cause the position seals abutted between flared tube and turntable not tight, there is a situation where leaking, influences the accuracy of detection.
The utility model is further arranged to: the aux. control valve include the fixed plate being fixed in the gas-guide tube,
The air guide port that is provided in the fixed plate, the conical plug being arranged in the flared tube and be connected to the fixed plate and
Spring between the conical plug, internal diameter of the outer diameter of the conical plug with the flared tube close to described gas-guide tube one end are mutually fitted
Match, the conical plug is connected with the hemisphere for stretching out the flared tube far from the side of the spring.
Through the above technical solutions, under normal conditions, hemisphere is contracted in flared tube by the obstruction of turntable, and will cone
Shape plug resists, and pushes against it close to the inner wall sealing of one end of gas-guide tube with flared tube, at this point, spring is in compressive state；When
Turntable is rotated, when being connected to escape pipe with flared tube, at this point, spring is influenced to restore to the original state by elastic force, to push conical plug
It is mobile towards the direction far from gas-guide tube, and separated with the inner wall of flared tube, form the gap passed through for sample flue gas.
The utility model is further arranged to: the gas-guide tube and institute are corresponded on the circumferential surface of the turntable and the air distribution disk
State the equal carved with mark line in position that escape pipe is parallel to axis.
Through the above technical solutions, staff rotates turntable when replacement pipeline, makes the tag line on its circumferential surface and divide gas
The tag line alignment of pipeline is corresponded on disk, the setting of tag line accurately switches different pipelines convenient for staff,
It prevents due to closed not tight between flared tube and escape pipe, and there is a situation where gas leakage.
The utility model is further arranged to: gasket is equipped between the escape pipe and the flared tube.
Through the above technical solutions, the setting of gasket, close for carrying out to the joining place between escape pipe and flared tube
Envelope, to reduce a possibility that sample flue gas leaks in transmission process.
The utility model is further arranged to: corresponded on the turntable gasket position offer accommodate it is described close
The groove of packing.
Through the above technical solutions, gasket is arranged in groove, when for connecting flared tube between escape pipe,
It is more smooth.
The utility model is further arranged to: the turntable is shiny surface close to the side of the flared tube.
Through the above technical solutions, the setting of shiny surface, when for reducing rotation turntable, rubbing between flared tube and turntable
Power is wiped, convenient for operation.
The utility model is further arranged to: passing through flanged joint between the sampling pipe and the gas-guide tube.
Through the above technical solutions, the mode of flanged joint, it is dismantled after use convenient for staff,
Maintenance and cleaning.
In conclusion the advantageous effects of the utility model are as follows:
1, when working, a plurality of sampling pipe is sampled simultaneously, and then sample flue gas is delivered at flared tube through gas-guide tube,
At this point, staff can be connected to by rotation turntable to control escape pipe with which flared tube, it then will by escape pipe
Sample flue gas in corresponding pipeline is delivered at analysis cabinet and carries out single detection, and during rotating turntable, flared tube is always
Be tightly connected with the side wall of turntable, compared with the prior art in detection device, the shunting detection system in the application can be right
Multiple spot in flue is sampled, while as needed, and being directed to for the property of can choose wherein is analyzed and detected, and is operated
It is convenient, it improves work efficiency；
2, the setting of aux. control valve prevents sampling apparatus using a period of time for controlling the on-off of sample flue gas
Afterwards, turntable generates scratch due to phase mutual friction between the side and flared tube of flared tube, and then leads to flared tube and turn
The position seals abutted between disk are not tight, there is a situation where leaking, influence the accuracy of detection；
3, the setting of fixed part prevents turntable from rotating due to the influence of external force for positioning to turntable, into
And the case where causing to misplace between escape pipe and flared tube, leaking air.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the cross-sectional view for embodying sampling apparatus and aux. control valve structure.
In figure, 1, analysis cabinet；2, sampling apparatus；21, air distribution disk；22, turntable；23, shaft；24, gas-guide tube；25, it samples
Pipe；26, flared tube；27, escape pipe；3, fixed part；31, end plate；32, screw rod；33, knob；4, tag line；5, gasket；6,
Aux. control valve；61, fixed plate；611, air guide port；62, conical plug；63, spring；64, hemisphere.
Specific embodiment
It referring to Fig.1, is a kind of ammonia shunting detection system disclosed by the utility model, including analysis cabinet 1 and sampling cartridge
2 are set, sampling apparatus 2 is connected with flue, for sampling to the different location in flue, and by sample flue gas collected
It is delivered at analysis cabinet 1, is detected and analyzed.
Sampling apparatus 2 includes air distribution disk 21 and turntable 22, and the middle part of 21 side of air distribution disk is vertically connected with shaft 23, turntable
22 are rotatably connected in shaft 23, and gap is formed between air distribution disk 21, are embedded with and multiple circumferentially divide on air distribution disk 21
The gas-guide tube 24 of cloth, each one end of gas-guide tube 24 far from turntable 22 are connected with sampling pipe 25, sampling pipe 25 by flange seal
The other end be connected with the different location of flue, in order to carry out multipoint acquisition.Each gas-guide tube 24 is close to the one of turntable 22
End is connected with flared tube 26, and in horn-like, the biggish one end of bore and the surface of turntable 22 offset on flared tube 26
It connects, the position of a corresponding wherein flared tube 26 can be turned through an escape pipe 27, staff is communicated with by rotation on turntable 22
Disk 22 is connected to control escape pipe 27 from different flared tubes 26, escape pipe 27 one end and analysis far from flared tube 26
Cabinet 1 is connected, for conveying to the sample flue gas of acquisition.
Turntable 22 is shiny surface close to the side of flared tube 26, when for reducing rotation turntable 22, flared tube 26 and turntable
Frictional force between 22, convenient for operation.
Referring to Fig.1, when work, a plurality of sampling pipe 25 is sampled simultaneously, then conveys sample flue gas through gas-guide tube 24
To flared tube 26, at this point, staff can be connected by rotation turntable 22 to control escape pipe 27 with which flared tube 26
It is logical, then the sample flue gas in corresponding pipeline is delivered at analysis cabinet 1 by escape pipe 27 and carries out single detection, is turned in rotation
During disk 22, flared tube 26 always with the side wall of turntable 22 be tightly connected, compared with the prior art in detection device, this
Shunting detection system in application can sample the multiple spot in flue, while as needed, the property of can choose is directed to
It is wherein analyzed and is detected, it is easy to operate, it improves work efficiency.
Referring to Fig. 2, one end in shaft 23 far from air distribution disk 21 is provided with fixed part 3, is used to determine turntable 22
Position, prevents turntable 22 from rotating due to the influence of external force, and then cause to misplace between escape pipe 27 and flared tube 26,
The case where leaking air.Fixed part 3 includes being fixed in end plate 31 of the shaft 23 far from 21 one end of air distribution disk, and screw thread connects on end plate 31
It is connected to a screw rod 32, screw rod 32 is connected with knob 33 far from 31 one end of end plate, and after the adjustment of the position of turntable 22, work people
Member's turning knob 33, is pushed against screw rod 32 on turntable 22；When switching pipeline, then passes through knob 33 and unscrew screw rod 32.
Further, referring to Fig.1, gas-guide tube 24 is corresponded on the circumferential surface of turntable 22 and air distribution disk 21 and escape pipe 27 is parallel to
The equal carved with mark line 4 in the position of axis, when replacing pipeline, staff rotates turntable 22, makes the tag line 4 on its circumferential surface and divides
The tag line 4 that pipeline is corresponded on gas disk 21 is aligned, and the setting of tag line 4 accurately switches not convenient for staff
Same pipeline is prevented due to closed not tight between flared tube 26 and escape pipe 27, and there is a situation where gas leakage.
Further, referring to Fig. 2, gasket 5 is equipped between escape pipe 27 and flared tube 26, for rank between the two
The place of connecing is sealed, to reduce a possibility that sample flue gas leaks in transmission process.The position of gasket 5 is corresponded on turntable 22
It sets and offers a groove, gasket 5 is arranged in groove, and when flared tube 26 is connected to escape pipe 27, gasket 5 is clamped at
Between the two.
Referring to Fig. 2, when sampling apparatus 2 after a period of use, may be due to mutual between turntable 22 and flared tube 26
It rubs and generates scratch, and then cause the position seals abutted between flared tube 26 and turntable 22 not tight, there is a situation where leaking,
Influence the accuracy of detection.To solve the above problems, being equipped with auxiliary control between every group of gas-guide tube 24 and flared tube 26
Valve 6, for controlling the on-off of sample flue gas.
Aux. control valve 6 includes the fixed plate 61 being fixed in gas-guide tube 24, offers air guide port 611 in fixed plate 61,
For circulating for sample flue gas, conical plug 62 is provided in flared tube 26, outer diameter and flared tube 26 are close to gas-guide tube 24
The internal diameter of one end is adapted, and conical plug 62 and fixed plate 61 are connected with spring 63, conical plug 62 can be driven horizontal by flexible
It is mobile, to disconnect or be connected to flared tube 26 with the junction of gas-guide tube 24.Side one of the conical plug 62 far from spring 63
Be connected with hemisphere 64, spherical surface stretches out flared tube 26, the length and conical plug 62 that hemisphere 64 stretches out when spring 63 is shunk,
Flared tube 26 is identical as the moved stroke of the junction of gas-guide tube 24 disconnection.
Referring to Fig. 2, it is generally the case that hemisphere 64 is contracted in flared tube 26 by the obstruction of turntable 22, and by conical plug
62 resist, and push against it close to the inner wall sealing of one end of gas-guide tube 24 with flared tube 26, at this point, spring 63 is in compression shape
State；When rotation turntable 22, when being connected to escape pipe 27 with flared tube 26, at this point, spring 63 is influenced to restore to the original state by elastic force, from
And push conical plug 62 mobile towards the direction far from gas-guide tube 24, and separate with the inner wall of flared tube 26, it is formed for sample cigarette
The gap that gas passes through.
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 (9)
1. a kind of ammonia shunting detection system, including analysis cabinet (1), it is characterised in that: further include and analysis cabinet (1) phase
The sampling apparatus (2) of connection, the sampling apparatus (2) include air distribution disk (21), be fixed in the middle part of the air distribution disk (21) and to
The shaft (23) and be rotatably connected on the shaft (23) and form turning for gap with the air distribution disk (21) that side extends
Disk (22) is embedded with multiple gas-guide tubes (24) being circumferentially distributed on the air distribution disk (21), and each gas-guide tube (24) is leaned on
One end of the nearly turntable (22) is connected with flared tube (26), the biggish one end of bore and institute on the flared tube (26)
The surface for stating turntable (22) abuts, and the position of a corresponding wherein flared tube (26), which is run through, on the turntable (22) is communicated with out
Tracheae (27), the escape pipe (27) are connected far from the one end of the flared tube (26) with the analysis cabinet (1), the air guide
Pipe (24) is communicated with sampling pipe (25) far from the one end of the flared tube (26), the different location of sampling pipe (25) and flue
It is connected.
2. a kind of ammonia according to claim 1 shunting detection system, it is characterised in that: separate on the shaft (23)
One end of the air distribution disk (21) is provided with the fixed part (3) positioned to the turntable (22), and the fixed part (3) includes
Be fixed in the shaft (23) far from the air distribution disk (21) one end end plate (31), be threaded on the end plate (31) with
The screw rod (32) that pushed against to the turntable (22) and the screw rod (32) is fixed in far from the end plate (31) one end
Knob (33).
3. a kind of ammonia according to claim 1 shunting detection system, it is characterised in that: the gas-guide tube (24) and institute
State the aux. control valve (6) that control sample flue gas on-off is equipped between flared tube (26).
4. a kind of ammonia according to claim 3 shunting detection system, it is characterised in that: the aux. control valve (6)
Including the fixed plate (61) being fixed in the gas-guide tube (24), the air guide port (611) being provided on the fixed plate (61), set
It sets in the conical plug (62) in the flared tube (26) and is connected between the fixed plate (61) and the conical plug (62)
Spring (63), the internal diameter phase of the outer diameter of the conical plug (62) and the flared tube (26) close to the gas-guide tube (24) one end
Adaptation, the conical plug (62) are connected with the hemisphere for stretching out the flared tube (26) far from the side of the spring (63)
(64)。
5. a kind of ammonia according to claim 1 is with shunting detection system, it is characterised in that: the turntable (22) and described
It corresponds to the gas-guide tube (24) on the circumferential surface of air distribution disk (21) and the escape pipe (27) is parallel to the position of axis and is carved with mark
Know line (4).
6. a kind of ammonia according to claim 1 shunting detection system, it is characterised in that: the escape pipe (27) and institute
It states and is equipped with gasket (5) between flared tube (26).
7. a kind of ammonia according to claim 6 shunting detection system, it is characterised in that: corresponding on the turntable (22)
The position of the gasket (5) offers the groove for accommodating the gasket (5).
8. a kind of ammonia according to claim 1 shunting detection system, it is characterised in that: the turntable (22) is close to institute
The side for stating flared tube (26) is shiny surface.
9. a kind of ammonia according to claim 1 shunting detection system, it is characterised in that: the sampling pipe (25) and institute
It states and passes through flanged joint between gas-guide tube (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821929855.2U CN209148660U (en) | 2018-11-21 | 2018-11-21 | A kind of ammonia shunting detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821929855.2U CN209148660U (en) | 2018-11-21 | 2018-11-21 | A kind of ammonia shunting detection system |
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| Publication Number | Publication Date |
|---|---|
| CN209148660U true CN209148660U (en) | 2019-07-23 |
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ID=67286819
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821929855.2U Active CN209148660U (en) | 2018-11-21 | 2018-11-21 | A kind of ammonia shunting detection system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110672680A (en) * | 2019-09-25 | 2020-01-10 | 河南日盛综合检测有限公司 | Air detection and analysis system |
| CN113686627A (en) * | 2021-08-26 | 2021-11-23 | 国能南宁发电有限公司 | Denitration system flue gas multiple spot sampling system |
| CN113740122A (en) * | 2021-09-28 | 2021-12-03 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | Continuous on-line flue gas sampling detection device capable of independently controlling and measuring multiple fixed points |
| CN113884624A (en) * | 2021-09-29 | 2022-01-04 | 国网浙江省电力有限公司营销服务中心 | Power production exhaust emission detection system based on 5G communication |
-
2018
- 2018-11-21 CN CN201821929855.2U patent/CN209148660U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110672680A (en) * | 2019-09-25 | 2020-01-10 | 河南日盛综合检测有限公司 | Air detection and analysis system |
| CN113686627A (en) * | 2021-08-26 | 2021-11-23 | 国能南宁发电有限公司 | Denitration system flue gas multiple spot sampling system |
| CN113686627B (en) * | 2021-08-26 | 2023-10-27 | 国能南宁发电有限公司 | Flue gas multipoint sampling system of denitration system |
| CN113740122A (en) * | 2021-09-28 | 2021-12-03 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | Continuous on-line flue gas sampling detection device capable of independently controlling and measuring multiple fixed points |
| CN113884624A (en) * | 2021-09-29 | 2022-01-04 | 国网浙江省电力有限公司营销服务中心 | Power production exhaust emission detection system based on 5G communication |
| CN113884624B (en) * | 2021-09-29 | 2024-02-13 | 国网浙江省电力有限公司营销服务中心 | Electric power production waste gas emission detecting system based on 5G communication |
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