CN110133187A - A kind of online high-precision denitrating flue gas the escaping of ammonia detection system - Google Patents
A kind of online high-precision denitrating flue gas the escaping of ammonia detection system Download PDFInfo
- Publication number
- CN110133187A CN110133187A CN201910317307.7A CN201910317307A CN110133187A CN 110133187 A CN110133187 A CN 110133187A CN 201910317307 A CN201910317307 A CN 201910317307A CN 110133187 A CN110133187 A CN 110133187A
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- flue gas
- diversion pipe
- framework
- support
- shield
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
-
- 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
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
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- General Health & Medical Sciences (AREA)
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- Combustion & Propulsion (AREA)
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- Sampling And Sample Adjustment (AREA)
Abstract
A kind of online high-precision denitrating flue gas the escaping of ammonia detection system of the present invention, including sampling end, testing agency and control device, wherein sample end, testing agency is interconnected, and sampling end, testing agency is electrically connected with control device, sampling end includes framework for support, diversion pipe, casing, bearing seat, shield, filtrating equipment of flue gas, negative pressure pump, dust filter unit, bearing seat connect with framework for support front end face and is coaxially distributed with framework for support, diversion pipe is in casing, diversion pipe front end is located in shield, and it is connected to by filtrating equipment of flue gas with shield, it is interconnected in diversion pipe rear end face position and framework for support and by negative pressure pump and dust filter unit.Integration degree is high for one aspect of the present invention, can effectively simplify device structure, improves the flexibility and convenience of equipment installation positioning, on the other hand in carrying out flue gas sampling, can effectively be adjusted to flue-gas temperature and carry out purified treatment to dust in flue gas.
Description
Technical field
The present invention relates to a kind of online high-precision denitrating flue gas the escaping of ammonia detection system structures, belong to gas detection technology neck
Domain.
Background technique
At present in the fields such as industrial production, often generates and largely contain the serious pollution gas such as hydrogen fluoride, in order to
It realizes and operation is detected to hydrogen fluoride in tail gas, be currently mostly then to recycle laser generator by sampling to tail gas
Hydrogen fluoride in fume sample is detected, although the needs for detecting operation to hydrogen fluoride may be implemented, is on the one hand detected
System structure is complicated, and operation and maintenance difficulty is big and maintenance cost is high, on the other hand in carrying out detection process, is only capable of to flue gas
Sample is detected, and cannot effectively meet the needs to flue gas complete detection, therefore easily cause flue gas inspection low precision, can not
Effectively meet the needs of actual use.
Therefore it is directed to this status, there is an urgent need to develop a kind of completely new water body detection devices, to meet actual use
It needs.
Summary of the invention
In view of the shortcomings of the prior art, the present invention provides a kind of online high-precision denitrating flue gas the escaping of ammonia detection system
System, the invention can effectively simplify device structure, improve the flexibility and convenience of equipment installation positioning, improve contaminated area in flue gas
Detect the flexibility and reliability of operation.
To achieve the goals above, the present invention is to realize by the following technical solutions:
A kind of online high-precision denitrating flue gas the escaping of ammonia detection system, including sampling end, testing agency and control device, wherein
Sampling end, testing agency are interconnected, and sample end, testing agency and be electrically connected with control device, and sampling end is wrapped
Include framework for support, diversion pipe, casing, bearing seat, shield, temperature sensor, flow sensor, filtrating equipment of flue gas, negative pressure
Pump, dust filter unit, it is rectangular frame structure that wherein framework for support, which is cross section, and bearing seat is connect simultaneously with framework for support front end face
It is coaxially distributed with framework for support, casing is hollow tubular structures, and end face is connect with bearing seat front end face thereafter, and casing and carrying
It is coaxially distributed between seat, shield is the screen construction being coaxially distributed with bearing seat, is connected with each other with bearing seat and is coated on casing
Outside, and the cavity body structure that cross section is rectangle is coaxially distributed and constituted between shield and bearing seat, diversion pipe is in casing
And be coaxially distributed with casing, diversion pipe front end is located in shield, and spacing is not less than 30 millimeters between protection cover inner surface, leads
Flow tube front end face sets at least one filtrating equipment of flue gas, and is connected to by filtrating equipment of flue gas with shield, diversion pipe rear end face
Position is interconnected in framework for support and by negative pressure pump and dust filter unit, dust filter unit, negative pressure pump and diversion pipe with
Framework for support inner surface is connected with each other, temperature sensor, flow sensor equal at least two, respectively embedded in diversion pipe front end face and
In rear end face, temperature sensor, flow sensor, negative pressure pump, filtrating equipment of flue gas, dust filter unit are electrical with control device
Connection.
Further, the protective cover diameter is at least 5 times of diversion pipe caliber.
Further, the protection cover inner surface separately sets at least one electric heater unit, the electric heater unit and control
Device electrical connection processed.
Further, the pipeline section outer surface in the diversion pipe position and framework for support is evenly distributed with several heat dissipation wing plates, and institute
It states heat dissipation wing plate to be evenly distributed with around diversion pipe axis, the radiating fin plate surface gross area is 1.5-the 5 of diversion pipe total outer surface area
Times.
Further, an anti-blowpipe is separately set on the framework for support, the anti-blowpipe passes through control valve and diversion pipe
It is interconnected, and the anti-blowpipe is separately interconnected with negative pressure pump.
Further, the control device is the circuit system for being core based on internet of things net controller.
Integration degree is high for one aspect of the present invention, can effectively simplify device structure, improves the flexibility of equipment installation positioning
And convenience, and effectively meet the needs of a variety of different type structure flues and detection device matching running, on the other hand into
In row flue gas sampling, effectively flue-gas temperature can be adjusted and purified treatment is carried out to dust in flue gas, to effectively prevent
Because exhaust gas dust pollution and high temperature etc. cause detection device damage to happen, to improve detection operation in contaminated area in flue gas
Flexibility and reliability.
Detailed description of the invention
The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is schematic structural view of the invention.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
Specific embodiment, the present invention is further explained.
A kind of online high-precision denitrating flue gas the escaping of ammonia detection system as described in Figure 1, including sampling end 1, detection machine
Structure 2 and control device 3, wherein sampling end 1, testing agency 2 be interconnected, and sample end 1, testing agency 2 with control
Device 3 be electrically connected, sampling end 1 include framework for support 101, diversion pipe 102, casing 103, bearing seat 104, shield 105,
Temperature sensor 106, flow sensor 107, filtrating equipment of flue gas 108, negative pressure pump 109, dust filter unit 100, wherein carrying
It is rectangular frame structure that rack 101, which is cross section, bearing seat 104 connect with 101 front end face of framework for support and with framework for support 101
Coaxial distribution, casing 103 are hollow tubular structures, and end face is connect with 104 front end face of bearing seat thereafter, and casing 103 and carrying
It is coaxially distributed between seat 104, shield 105 is the screen construction being coaxially distributed with bearing seat 104, is connected with each other with bearing seat 104
And it is coated on 103 outside of casing, and be coaxially distributed between shield 105 and bearing seat 104 and constitute the cavity that cross section is rectangle
Structure, diversion pipe 102 in the casing 103 and with the coaxial distribution of casing 103,102 front end of diversion pipe is located in shield 105,
And spacing is not less than 30 millimeters between 105 inner surface of shield, 102 front end face of diversion pipe sets at least one filtrating equipment of flue gas
108, and be connected to by filtrating equipment of flue gas 108 with shield 108,102 rear end face position of diversion pipe is interior with framework for support 101 and leads to
Negative pressure pump 109 and dust filter unit 100 is crossed to be interconnected, dust filter unit 100, negative pressure pump 109 and diversion pipe 102 with carrying
101 inner surface of rack is connected with each other, temperature sensor 106, flow sensor 107 equal at least two, is embedded in diversion pipe 102 respectively
In front end face and rear end face, temperature sensor 106, flow sensor 107, filtrating equipment of flue gas 108, negative pressure pump 109, dust mistake
Filter 100 is electrically connected with control device 3.
Wherein, 105 diameter of shield is at least 5 times of 102 caliber of diversion pipe.
Meanwhile 105 inner surface of shield separately sets at least one electric heater unit 4, the electric heater unit 4 and control
Device 3 processed is electrically connected.
In addition, described diversion pipe 102 are evenly distributed with several heat dissipation wing plates 5 with the pipeline section outer surface in framework for support 101, and
The heat dissipation wing plate 5 is uniformly distributed around 102 axis of diversion pipe, and heat dissipation 5 total surface area of wing plate is 102 total outer surface area of diversion pipe
1.5-5 times.
It advanced optimizes, an anti-blowpipe 6 is separately set on the framework for support 101, the anti-blowpipe 6 passes through control valve
7 are interconnected with diversion pipe 102, and the anti-blowpipe 6 is separately interconnected with negative pressure pump 109.
It advanced optimizes, the control device 3 is the circuit system for being core based on internet of things net controller.
The present invention in specific implementation, first according to the needs of use to constitute sampling end of the invention, testing agency and
Control device carries out assembling assembly, is connect by framework for support with flue outer surface with time sampling head, makes bearing seat, shield
And the diversion pipe front end face in shield is respectively positioned on inside flue, is assembled thereby completing the present invention.
When carrying out flue gas inspection, negative pressure pump operation is driven first, forms negative pressure in diversion pipe front end face and shield
Flue gas in flue is drained into diversion pipe by negative pressure, before flue gas enters in diversion pipe, on the one hand passes through smoke filtration by area
Device carries out primary filtration to dust in flue gas, is on the other hand detected by temperature sensor to flue-gas temperature, and in temperature mistake
Then pass through electric heater unit when low to flue gas, then flue gas, which flows along diversion pipe and passes through dust filter unit, carries out secondary mistake
It is delivered in detection device and is detected again after filter, so that dust etc. is effectively prevent to pollute and corrode caused by detection device,
Situations such as can also effectivelying prevent dust etc. that testing result is caused to be not allowed.
In addition, when flue gas is flowed by diversion pipe separately heat dissipation work can be carried out by the heat dissipation wing plate of water conservancy diversion tube outer surface
Industry, realization cool down to flue gas, avoid that detection device damage is caused to happen because of high temperature.
Integration degree is high for one aspect of the present invention, can effectively simplify device structure, improves the flexibility of equipment installation positioning
And convenience, and effectively meet the needs of a variety of different type structure flues and detection device matching running, on the other hand into
In row flue gas sampling, effectively flue-gas temperature can be adjusted and purified treatment is carried out to dust in flue gas, to effectively prevent
Because exhaust gas dust pollution and high temperature etc. cause detection device damage to happen, to improve detection operation in contaminated area in flue gas
Flexibility and reliability.
It should be understood by those skilled in the art that the present invention is not limited to the above embodiments.Above-described embodiment and explanation
It is merely illustrated the principles of the invention described in book.Without departing from the spirit and scope of the present invention, the present invention also has
Various changes and modifications.These changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention
It is defined by the appending claims and its equivalent thereof.
Claims (6)
1. a kind of online high-precision denitrating flue gas the escaping of ammonia detection system, including sampling end, testing agency and control device,
Middle sampling end, testing agency are interconnected, and sample end, testing agency and be electrically connected with control device, and feature exists
In: the sampling end include framework for support, diversion pipe, casing, bearing seat, shield, temperature sensor, flow sensor,
Filtrating equipment of flue gas, negative pressure pump, dust filter unit, wherein it is rectangular frame structure that the framework for support, which is cross section, it is described to hold
It carries seat to connect with framework for support front end face and be coaxially distributed with framework for support, described sleeve pipe is hollow tubular structures, thereafter end face
It connect with bearing seat front end face, and is coaxially distributed between described sleeve pipe and bearing seat, the shield is coaxially to be distributed with bearing seat
Screen construction, outside of sleeve is connected with each other and is coated on bearing seat, and be coaxially distributed simultaneously between the shield and bearing seat
The cavity body structure that cross section is rectangle is constituted, the diversion pipe is coaxially distributed in casing and with casing, diversion pipe front end position
In in shield, and between protection cover inner surface, spacing is not less than 30 millimeters, and the diversion pipe front end face sets at least one flue gas
Filter device, and be connected to by filtrating equipment of flue gas with shield, diversion pipe rear end face position is interior with framework for support and passes through
Negative pressure pump and dust filter unit are interconnected, the dust filter unit, negative pressure pump and diversion pipe with framework for support inner surface phase
It connects, the temperature sensor, flow sensor equal at least two, respectively in diversion pipe front end face and rear end face, institute
Temperature sensor, negative pressure pump, flow sensor, filtrating equipment of flue gas, dust filter unit is stated to be electrically connected with control device.
2. a kind of online high-precision denitrating flue gas the escaping of ammonia detection system according to claim 1, it is characterised in that: institute
The protective cover diameter stated is at least 5 times of diversion pipe caliber.
3. a kind of online high-precision denitrating flue gas the escaping of ammonia detection system according to claim 1, it is characterised in that: institute
The protection cover inner surface stated separately sets at least one electric heater unit, and the electric heater unit and control device are electrically connected.
4. a kind of online high-precision denitrating flue gas the escaping of ammonia detection system according to claim 1, it is characterised in that: institute
Pipeline section outer surface in the diversion pipe position stated and framework for support is evenly distributed with several heat dissipation wing plates, and the heat dissipation wing plate is around diversion pipe
Axis is uniformly distributed, and the radiating fin plate surface gross area is 1.5-5 times of diversion pipe total outer surface area.
5. a kind of online high-precision denitrating flue gas the escaping of ammonia detection system according to claim 1, it is characterised in that: institute
An anti-blowpipe is separately set on the framework for support stated, the anti-blowpipe is interconnected by control valve and diversion pipe, and the blowback
Pipe is separately interconnected with negative pressure pump.
6. a kind of online high-precision denitrating flue gas the escaping of ammonia detection system according to claim 1, it is characterised in that: institute
The control device stated is the circuit system for being core based on internet of things net controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910317307.7A CN110133187A (en) | 2019-04-19 | 2019-04-19 | A kind of online high-precision denitrating flue gas the escaping of ammonia detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910317307.7A CN110133187A (en) | 2019-04-19 | 2019-04-19 | A kind of online high-precision denitrating flue gas the escaping of ammonia detection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110133187A true CN110133187A (en) | 2019-08-16 |
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ID=67570393
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910317307.7A Pending CN110133187A (en) | 2019-04-19 | 2019-04-19 | A kind of online high-precision denitrating flue gas the escaping of ammonia detection system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112710532A (en) * | 2020-12-24 | 2021-04-27 | 清华大学 | Flying ash ammonia analytical equipment |
| WO2021174564A1 (en) * | 2020-03-03 | 2021-09-10 | 苏州思诚者信息科技有限公司 | Novel air filter |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203310681U (en) * | 2013-07-17 | 2013-11-27 | 国家电网公司 | Flue gas sampling system |
| CN205785975U (en) * | 2016-06-27 | 2016-12-07 | 北京大学 | A kind of resistant to elevated temperatures burner hearth component sampling apparatus |
| CN206891958U (en) * | 2017-06-27 | 2018-01-16 | 郑州天之润能源科技有限公司 | A kind of denitration the escaping of ammonia integration on-line computing model |
| CN208350475U (en) * | 2018-07-04 | 2019-01-08 | 天津联创环境保护监测有限公司 | A kind of Novel flue gas smoke dust sampling instrument |
-
2019
- 2019-04-19 CN CN201910317307.7A patent/CN110133187A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203310681U (en) * | 2013-07-17 | 2013-11-27 | 国家电网公司 | Flue gas sampling system |
| CN205785975U (en) * | 2016-06-27 | 2016-12-07 | 北京大学 | A kind of resistant to elevated temperatures burner hearth component sampling apparatus |
| CN206891958U (en) * | 2017-06-27 | 2018-01-16 | 郑州天之润能源科技有限公司 | A kind of denitration the escaping of ammonia integration on-line computing model |
| CN208350475U (en) * | 2018-07-04 | 2019-01-08 | 天津联创环境保护监测有限公司 | A kind of Novel flue gas smoke dust sampling instrument |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021174564A1 (en) * | 2020-03-03 | 2021-09-10 | 苏州思诚者信息科技有限公司 | Novel air filter |
| CN112710532A (en) * | 2020-12-24 | 2021-04-27 | 清华大学 | Flying ash ammonia analytical equipment |
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Application publication date: 20190816 |