CN107589762A - A kind of differential pressure amount by differential pressure transmitter adjusts the control device of exhaust gas dust amount - Google Patents
A kind of differential pressure amount by differential pressure transmitter adjusts the control device of exhaust gas dust amount Download PDFInfo
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- CN107589762A CN107589762A CN201610531528.0A CN201610531528A CN107589762A CN 107589762 A CN107589762 A CN 107589762A CN 201610531528 A CN201610531528 A CN 201610531528A CN 107589762 A CN107589762 A CN 107589762A
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- differential pressure
- amount
- pressure transmitter
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- exhaust gas
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Abstract
The present invention relates to the technical field of industrial instrument class flue gas inspection, the control device of exhaust gas dust amount is adjusted more particularly to a kind of differential pressure amount by differential pressure transmitter, the control device of exhaust gas dust amount should be adjusted by the differential pressure amount of differential pressure transmitter to be included：Differential pressure transmitter, source of the gas machine, controller and two pipelines, the differential pressure transmitter is connected with exhaust gases passes by pipeline, it is provided with described two pipelines and is respectively equipped with triple valve, the valve port of company triple valve first connects exhaust gases passes, second valve port connects pressure difference transmitter, 3rd valve port connects source of the gas machine, the controller control pressure difference transmitter and source of the gas machine.Signal stabilization of the present invention, measured value are accurate, credible.Can field combinations, combination it is easy for installation.Compared with prior art, and reduce maintenance period, reduce maintenance cost.
Description
Technical field
The present invention relates to the technical field of industrial instrument class flue gas inspection, more particularly to a kind of by differential pressure transmitter
Differential pressure amount adjusts the control device of exhaust gas dust amount.
Background technology
System for desulfuration and denitration, domestic waste incineration or using solid, liquid as fixed-contaminations such as the power plant boilers of fuel
Source can produce substantial amounts of flue gas, it is necessary to carry out continuous real-time tracking and monitoring to flue gas caused by stationary source.
During flow of flue gas, the pressure inside flue gas has certain change.Flue gas is generally detected by differential pressure transmitter
Certain section of pressure differential, the parameters such as the dust content, flow velocity and flow of flue gas can be calculated according to this pressure differential in passage.Differential pressure becomes
When sending the device to work, connected by two pipelines with exhaust gases passes, the communicating positions of two pipelines on flow of flue gas direction apart
Certain distance, differential pressure transmitter can measure the pressure between two positions according to the flue gas that the communicating position of two pipelines transmits
Difference.Due to containing many dust granules in flue gas, it is easy to the entrance of two pipelines is blocked, has a strong impact on the accuracy of measurement,
Even measurement can be made not to be normally carried out.
Therefore, a kind of control device of the higher flue gas of reliability is designed, is that those skilled in the art are badly in need of solving at present
Technical problem.
The content of the invention
In view of above-mentioned the deficiencies in the prior art, a kind of differential pressure amount by differential pressure transmitter of the invention adjusts exhaust gas dust
The control device of amount, reliability is higher, and can accurately measure the parameters of flue gas, and exhaust gas dust amount is accurately adjusted
Section.
In order to achieve the above object, the present invention provides following technical scheme：
A kind of differential pressure amount by differential pressure transmitter adjusts the control device of exhaust gas dust amount, including：Differential pressure transmitter, gas
Source machine, controller and two pipelines, the differential pressure transmitter are connected with exhaust gases passes by pipeline, are provided with described two pipelines
It is respectively equipped with triple valve, the valve port of company triple valve first connects exhaust gases passes, the second valve port connection pressure difference transmitter, and the 3rd
Valve port connects source of the gas machine, the controller control pressure difference transmitter and source of the gas machine.
Wherein, the triple valve is two-bit triplet magnetic valve.
Wherein, the differential pressure transmitter outer surface is provided with muff, and the inwall of the muff is provided with heater, described
Heater connects controller.
Wherein, the connecting line of the 3rd valve port connection source of the gas machine is provided with switch valve.
Wherein, self-check system is additionally provided with, the self-check system is connected with controller, and the self-check system is provided with event
Hinder warning system.
The beneficial effects of the invention are as follows：A kind of differential pressure amount by differential pressure transmitter provided by the invention adjusts exhaust gas dust
The control device of amount, signal stabilization, measured value are accurate, credible.Can field combinations, combination it is easy for installation.Compared with prior art,
And reduce maintenance period, reduce maintenance cost.
In order to be further understood that the feature of the present invention and technology contents, refer to below in connection with the detailed of the present invention
Illustrate and accompanying drawing, however accompanying drawing only provide with reference to and explanation use, be not used for being any limitation as the present invention.
Brief description of the drawings
Below in conjunction with the accompanying drawings, by the way that the embodiment of invention is described in detail, will make technical scheme and
Other beneficial effects are apparent.
Fig. 1 is the structure for the control device that a kind of differential pressure amount by differential pressure transmitter of the present invention adjusts exhaust gas dust amount
Figure；
Embodiment
Further to illustrate the technological means and its effect of the invention taken, below in conjunction with being preferable to carry out for the present invention
Example and its accompanying drawing are described in detail.
Referring to Fig. 1, a kind of differential pressure amount by differential pressure transmitter adjusts the control device of exhaust gas dust amount, including：Difference
Pressure transmitter, source of the gas machine, controller and two pipelines, the differential pressure transmitter are connected with exhaust gases passes by pipeline, and described two
It is provided with individual pipeline and is respectively equipped with triple valve, the valve port of company triple valve first connects exhaust gases passes, the second valve port connection pressure
Poor transmitter, the 3rd valve port connection source of the gas machine, the controller control pressure difference transmitter and source of the gas machine.
Further, the triple valve is two-bit triplet magnetic valve.
Further, the differential pressure transmitter outer surface is provided with muff, and the inwall of the muff is provided with heater, institute
State heater connection controller.When the temperature of north of china in winter outside environment is less than a certain temperature value, differential pressure transmitter it is interior
Topping up will freeze, and influence accuracy, and muff can be such that internal-filling liquid is not influenceed by extraneous low temperature, it may also be necessary to carry out
Heating, it is ensured that differential pressure transmitter normal work, ensure the accuracy of device.Meanwhile this device can also be applied to cold district.
Further, the connecting line of the 3rd valve port connection source of the gas machine is provided with switch valve.
Further, self-check system is additionally provided with, the self-check system is connected with controller, and the self-check system is provided with
Failure warning system.
System for desulfuration and denitration, domestic waste incineration or using solid, liquid as fixed-contaminations such as the power plant boilers of fuel
Source can produce substantial amounts of flue gas, it is necessary to carry out continuous monitoring in real time and control to flue gas caused by stationary source.Flue gas stream
During dynamic, the pressure inside flue gas has certain change, the change feelings of internal pressure when this control device utilizes flow of flue gas
Condition obtains the parameters of flue gas, and exhaust gas volumn is adjusted controller control source of the gas machine.
During work, including detection process and regulation process, in detection process, two pipelines are obtained by differential pressure transmitter and entered
Pressure differential at mouthful, differential pressure transmitter can converse the parameters such as flow velocity and the flow of flue gas, controller according to pressure differential
Flue gas is adjusted control source of the gas machine.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention described should be defined by scope of the claims.
Claims (5)
1. a kind of differential pressure amount by differential pressure transmitter adjusts the control device of exhaust gas dust amount, it is characterised in that：Including：Differential pressure
Transmitter, source of the gas machine, controller and two pipelines, the differential pressure transmitter is connected with exhaust gases passes by pipeline, described two
It is provided with pipeline and is respectively equipped with triple valve, the valve port of company triple valve first connects exhaust gases passes, the second valve port connection pressure difference
Transmitter, the 3rd valve port connection source of the gas machine, the controller control pressure difference transmitter and source of the gas machine.
2. a kind of differential pressure amount by differential pressure transmitter according to claim 1 adjusts the control device of exhaust gas dust amount,
It is characterized in that：The triple valve is two-bit triplet magnetic valve.
3. a kind of differential pressure amount by differential pressure transmitter according to claim 1 adjusts the control device of exhaust gas dust amount,
It is characterized in that：The differential pressure transmitter outer surface is provided with muff, and the inwall of the muff is provided with heater, described to add
Thermal connects controller.
4. a kind of differential pressure amount by differential pressure transmitter according to claim 1 adjusts the control device of exhaust gas dust amount,
It is characterized in that：The connecting line of the 3rd valve port connection source of the gas machine is provided with switch valve.
5. a kind of differential pressure amount by differential pressure transmitter according to claim 1 adjusts the control device of exhaust gas dust amount,
It is characterized in that：Self-check system is additionally provided with, the self-check system is connected with controller, and the self-check system is provided with failure
Warning system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610531528.0A CN107589762A (en) | 2016-07-06 | 2016-07-06 | A kind of differential pressure amount by differential pressure transmitter adjusts the control device of exhaust gas dust amount |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610531528.0A CN107589762A (en) | 2016-07-06 | 2016-07-06 | A kind of differential pressure amount by differential pressure transmitter adjusts the control device of exhaust gas dust amount |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107589762A true CN107589762A (en) | 2018-01-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610531528.0A Pending CN107589762A (en) | 2016-07-06 | 2016-07-06 | A kind of differential pressure amount by differential pressure transmitter adjusts the control device of exhaust gas dust amount |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112627956A (en) * | 2020-12-14 | 2021-04-09 | 北汽福田汽车股份有限公司 | Differential pressure pipe cleaning system of vehicle and vehicle with same |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004036327A1 (en) * | 2002-10-18 | 2004-04-29 | Zed.I Solutions (Canada) Inc. | System for acquiring data from a facility and method |
| CN101303301A (en) * | 2008-06-23 | 2008-11-12 | 东北电力大学 | Flue gas powder dust and characteristic gas simultaneous on-line monitoring method and apparatus |
| CN203443620U (en) * | 2013-09-17 | 2014-02-19 | 北京雪迪龙科技股份有限公司 | Smoke measuring device |
| CN204461817U (en) * | 2014-12-31 | 2015-07-08 | 聚光科技(杭州)股份有限公司 | Sampling analytical system |
| CN104897534A (en) * | 2015-05-14 | 2015-09-09 | 苏州奥德克光电有限公司 | Wet flue gas on-line dust meter |
-
2016
- 2016-07-06 CN CN201610531528.0A patent/CN107589762A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004036327A1 (en) * | 2002-10-18 | 2004-04-29 | Zed.I Solutions (Canada) Inc. | System for acquiring data from a facility and method |
| CN101303301A (en) * | 2008-06-23 | 2008-11-12 | 东北电力大学 | Flue gas powder dust and characteristic gas simultaneous on-line monitoring method and apparatus |
| CN203443620U (en) * | 2013-09-17 | 2014-02-19 | 北京雪迪龙科技股份有限公司 | Smoke measuring device |
| CN204461817U (en) * | 2014-12-31 | 2015-07-08 | 聚光科技(杭州)股份有限公司 | Sampling analytical system |
| CN104897534A (en) * | 2015-05-14 | 2015-09-09 | 苏州奥德克光电有限公司 | Wet flue gas on-line dust meter |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112627956A (en) * | 2020-12-14 | 2021-04-09 | 北汽福田汽车股份有限公司 | Differential pressure pipe cleaning system of vehicle and vehicle with same |
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Application publication date: 20180116 |