CN206178491U - Formula flue gas adjusting system patrols and examines - Google Patents
Formula flue gas adjusting system patrols and examines Download PDFInfo
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- CN206178491U CN206178491U CN201620589331.8U CN201620589331U CN206178491U CN 206178491 U CN206178491 U CN 206178491U CN 201620589331 U CN201620589331 U CN 201620589331U CN 206178491 U CN206178491 U CN 206178491U
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Abstract
The utility model relates to a formula flue gas adjusting system patrols and examines, it includes sampling system, blowback system, gas analysis system and drainage system, sampling system constructs including a plurality of sampler of group parallelly connected each other, blowback system includes back blow port and relief pressure valve, and the back blow port passes through the first filter of relief pressure valve in constructing respectively with every sampler of group and links to each other, and is equipped with the second solenoid valve with every sampler of group in the relief pressure valve constructs on the interconnecting link of first filter, gas analysis system includes gas analysis appearance, gas outlet and the export of mark gas, drainage system includes peristaltic pump and outlet, the outlet is passed through the peristaltic pump and is linked to each other with the electron condenser. This formula flue gas adjusting system patrols and examines simple structure, use and use cost are low.
Description
Technical field
This utility model is related to heater for rolling steel control field, more particularly to a kind of based on steel rolling double-regenerative heating furnace
Inspection type flue gas regulating system.
Background technology
With the energy and the continuous anxiety of environmental pollution so that energy-saving and reduction discharge is particularly important.
Nowadays, China's ton steel comparable energy consumption is higher by 9.9%~17.2% than external advanced Chan Gang states, improves energy conversion profit
It is the main direction of following Iron and Steel Enterprises in China energy-conservation with the recycling of efficiency and reinforcement residual heat and energy.High-temperature heat accumulation burns
Technology and it is accurately controlled the key development direction that technology etc. is Energy-saving of Iron And Steel Industry.Generally in steel rolling mill, industry heating
The energy resource consumption of stove accounts for more than 55% that whole steel rolling mill's energy always consumes, therefore, the efficiency of combustion of heating furnace is improved, for reduction
Ton steel burnup, it is cost-effective particularly important.
Wherein, recuperative heater is developing progressively the main flow of energy-saving and emission-reduction, but is made according to Store Heat Stove of Steel Rolling
From the point of view of situation, oxidization burning loss reaches 2.0%~2.5% or so than more serious, has a strong impact on the control of product quality and cost
System.
Chinese patent (the patent No.：200920221512.5) disclose a kind of multi-channel flue-gas collection pipelines of tubular heating furnace certainly
Dynamic switching device, three smoke collecting points that the device passes through connection tubular heater, are that the on-line monitoring of tubular heater is carried
Technical guarantee has been supplied, but heat accumulating type heating is different due to there is different Combustion System sections, the technological requirement of each control section,
Cause the mode of air-fuel proportioning different.Therefore, combustion product gases are drawn into the side detected in house steward mentioned by the technology
Formula is not meaningful.
Chinese patent (the patent No.：201510010406.2) disclose recuperative heater oxygen content control method and one
The autocontrol method of Double heat storage type ingot furnace for steel milling oxidizing atmosphere control method is planted, but the patent is not studied for heat accumulating type
, there is multistage heat supply and the periodically combustion system of commutation in heating technique, therefore furnace atmosphere is difficult accurately measurement.In addition double storages
There is air pipe line smoke evacuation and gaspipe line smoke evacuation two-way smoke evacuation system, multiple spot smoke evacuation in hot type heating furnace, and always have in smoke evacuation
A part of air and coal gas are drawn in the middle of flue gas.In the case, the air-fuel proportioning regulation scheme that the technology is proposed does not have
There is operability, and the program adopts direct insertion zirconium oxide as oxygen content detector, the device is normally produced in heating furnace
Working condition under, oxygen content is subject to scene to extract flue-gas temperature, and the impact of dust is larger, causes certainty of measurement to be subject to larger shadow
Ring, while having had a strong impact on the service life of equipment.
Chinese patent (the patent No.：201110286698.4) disclose (1000- in a kind of industrial heating furnace high-temperature burner hearth
1400 DEG C) oxygen content distribution field continuous on-line analysis device and method, although the on-line detecting system that the patent is adopted can expire
Collection of the foot to 3 flue gases, but due to needing three sets of gas analysers to be acquired different collection points, therefore input ratio
It is larger, and systems bulky, maintenance cost height, it is difficult to promote the use of.
Utility model content
For the problems referred to above that prior art is present, the purpose of this utility model is to provide a kind of inspection type flue gas and adjusts system
System.
For achieving the above object, this utility model is adopted the following technical scheme that：A kind of inspection type flue gas regulating system, including
Sampler, blowback system, electronic condenser, gas analysis system, drainage system and communication interface；
Simultaneously and sampler, gas analysis system and drainage system are connected the electronic condenser；
The blowback system is connected with sampler；
Characterized in that, the sampler includes some groups of sampling mechanisms parallel with one another；
Every group of sampling mechanism includes shunt circuit, the first filter and the first electromagnetic valve being sequentially connected in series；
The shunt circuit includes some groups of series vias parallel with one another, and every group of series via is by sampling handss valve and height
Warm filter is composed in series, it is described sampling handss valve one end connect with high-temperature filter, it is described sample handss valve the other end with take
Sample pipeline is connected；
First electromagnetic valve is directly connected with electronic condenser；
The blowback system includes back blow port and air relief valve；
The back blow port is connected respectively by air relief valve with the first filter in every group of sampling mechanism, and air relief valve with
The connection line of the first filter is provided with the second electromagnetic valve in every group of sampling mechanism；
The gas analysis system includes the outlet of gas analyser, gas outlet and gas；
The electronic condenser passes sequentially through the second filter, distance-transmission pressure gauge, the first needle valve and is connected with ability sample；
The sampling pump is connected with first connector of dedicated three-way selector valve, second connector of the dedicated three-way selector valve
It is connected with gas analyser, the gas analyser is connected with gas outlet, the 3rd connector of the dedicated three-way selector valve and
Two needle-valves are connected, and the second needle-valve is connected with gas outlet；
Regulation branch road is provided between the sampling pump and dedicated three-way selector valve, the regulation branch road is provided with the 3rd needle-valve, institute
State the 3rd needle-valve to be connected with gas outlet；
The drainage system includes peristaltic pump and discharge outlet；The discharge outlet is connected by peristaltic pump with electronic condenser.
Exported by communication interface as the output signal of optimization, the gas analyser and distance-transmission pressure gauge；
First electromagnetic valve, the second electromagnetic valve, dedicated three-way selector valve, the first needle valve, the needle-valve of the second needle-valve the 3rd and subtract
The input signal of pressure valve is input into by communication interface.
Used as optimization, the communication interface is PROFIBUS DP slave station interface shapes.
Used as optimization, the quantity of the sampling mechanism and series via is 3 groups.
Used as optimization, the sampling handss valve is connected by sample point with sampling pipe.
Relative to prior art, this utility model has the advantage that：The inspection type flue gas that this utility model is provided is adjusted
System structure is simple, easy to use, and low cost.
Description of the drawings
Fig. 1 is the structural representation of this utility model inspection type flue gas regulating system.
Specific embodiment
This utility model is described in further detail below in conjunction with the accompanying drawings.
Referring to Fig. 1, a kind of inspection type flue gas regulating system, including sampler, blowback system, electronic condenser 7, gas
Analysis system, drainage system and communication interface；The electronic condenser 7 is while and sampler, gas analysis system and row
Water system is connected；The blowback system is connected with sampler.
The sampler includes some groups of sampling mechanisms parallel with one another；
Every group of sampling mechanism includes shunt circuit, the first filter 3 and the first electromagnetic valve 4 being sequentially connected in series；
The shunt circuit includes some groups of series vias parallel with one another, and every group of series via is by the He of sampling handss valve 1
High-temperature filter 2 is composed in series, and one end of the sampling handss valve 1 is connected with high-temperature filter 2, described to sample the another of handss valve 1
End is connected with sampling pipe 20；Specifically, several sample points 21, the sampling handss valve 1 are provided with sampling pipe 20
It is connected with sampling pipe 20 by sample point 21.
First electromagnetic valve 4 is directly connected with electronic condenser 7；
Preferably, the quantity of sampling mechanism and series via is 3 groups, so as to form 3 inspection type structures, and then
Ensure the accuracy of sampling detection.
The blowback system includes back blow port 6 and air relief valve 22,
The back blow port 6 is connected respectively by air relief valve 22 with the first filter 3 in every group of sampling mechanism, and in decompression
Valve 22 is provided with the second electromagnetic valve 5 with the connection line of the first filter 3 in every group of sampling mechanism；
The gas analysis system includes gas analyser 13, gas outlet 17 and gas outlet 18；
The electronic condenser 7 passes sequentially through the second filter 8, distance-transmission pressure gauge 9, the first needle valve 10 and ability sample 11
Connection；
The sampling pump 11 is connected with first connector of dedicated three-way selector valve 12, second of the dedicated three-way selector valve 12
Connector is connected with gas analyser 13, and the gas analyser 13 is connected with gas outlet 17, and the of the dedicated three-way selector valve 12
Three connectors are connected with the second needle-valve 14, and the second needle-valve 14 is connected with gas outlet 18；
Regulation branch road is provided between the sampling pump 11 and dedicated three-way selector valve 12, the regulation branch road is provided with the 3rd needle-valve
15, the 3rd needle-valve 15 is connected with gas outlet 18；
Existing flue gas analysis system fading margin flow can only be integrally-regulated to system circuit, and regulating effect has following disadvantage
End：1st, flow crosses conference and flue gas analyzer is caused damage, and shortens the service life of analyser；The flow too small sampling time is long,
Particularly inspection type flue gas analysis system, is also not detected by first via smoke components and switches to lower primary Ioops, causes detection to miss
Difference or misjudgment.
Regulation branch road is increased in this utility model, regulation analysis system can be reached by adjusting the 3rd needle-valve 15 when using
The purpose of system sample inlet Flow-rate adjustment.Ensure that sampling pump is operated at full capacity, extract the sampling time short；(sampling pump work energy
Power 6L/min) and analysis system flow it is constant, (analysis system adopt 1.5~2L/min of flow).
The drainage system includes peristaltic pump 16 and discharge outlet 19；The discharge outlet 19 is condensed by peristaltic pump 16 with electronics
Device 7 is connected.
Exported by communication interface as the output signal of optimization, the gas analyser 13 and distance-transmission pressure gauge 9；It is described
First electromagnetic valve 4, the second electromagnetic valve 5, dedicated three-way selector valve 12, the first needle valve 10, the needle-valve 15 of the second needle-valve 14 the 3rd and decompression
The input signal of valve 22 is input into by communication interface.The communication interface is PROFIBUS DP slave station interface shapes.
Existing flue gas analysis system when in use, generally using adopting terminal+cabled manner, by hardwired with
PLC master station input, output module are connected, and this mode has following not enough：1st, each point needs to lay a cable, construction volume
Greatly；2nd, need the reserve level of PLC master station system sufficiently large, then need hardware dilatation or function can not be realized；3rd, input cost is high：This
It is primarily due to, cable uses many and be shielded cable, special crane span structure or pipeline protection, PLC hardware dilatations, software program
Modification amount is big, exterior tubing is great in constructing amount and the reason such as installation period length.
And data transmission interface is connected using PROFIBUS DP slave stations communication modes with PLC master station in this utility model, its
Advantage is：All of input, output signal in flue gas analysis system is integrated, by PROFIBUS DP slave stations modes and main website
PLC connects, only need to lay during construction a PROFIBUS communication cable can by all I/O signal transmissions in system to PLC,
And main website PLC system, without the need for increasing input, output hardware module, increasing hardware configuration in program by DP slave station modes is
Can.
Finally illustrate, above example is only unrestricted to illustrate the technical solution of the utility model, although ginseng
This utility model has been described in detail according to preferred embodiment, it will be understood by those within the art that, can be to this
The technical scheme of utility model is modified or equivalent, without deviating from the objective and model of technical solutions of the utility model
Enclose, it all should cover in the middle of right of the present utility model.
Claims (5)
1. a kind of inspection type flue gas regulating system, including sampler, blowback system, electronic condenser (7), gas analyses system
System, drainage system and communication interface；
The electronic condenser (7) while and sampler, gas analysis system and drainage system are connected；
The blowback system is connected with sampler；
Characterized in that, the sampler includes some groups of sampling mechanisms parallel with one another；
Every group of sampling mechanism includes shunt circuit, the first filter (3) and the first electromagnetic valve (4) being sequentially connected in series；
The shunt circuit includes some groups of series vias parallel with one another, and every group of series via is by sampling handss valve (1) and height
Warm filter (2) is composed in series, and one end of sampling handss valve (1) is connected with high-temperature filter (2), sampling handss valve (1)
The other end be connected with sampling pipe (20)；
First electromagnetic valve (4) is directly connected with electronic condenser (7)；
The blowback system includes back blow port (6) and air relief valve (22)；
The back blow port (6) is connected respectively by air relief valve (22) with the first filter (3) in every group of sampling mechanism, and is being subtracted
Pressure valve (22) is provided with the second electromagnetic valve (5) with the connection line of the first filter (3) in every group of sampling mechanism；
The gas analysis system includes gas analyser (13), gas outlet (17) and gas outlet (18)；
The electronic condenser (7) passes sequentially through the second filter (8), distance-transmission pressure gauge (9), the first needle valve (10) with sampling
Pump (11) connects；
The sampling pump (11) is connected with first connector of dedicated three-way selector valve (12), and the second of the dedicated three-way selector valve (12)
Individual connector is connected with gas analyser (13), and the gas analyser (13) is connected with gas outlet (17), and the threeway is selected
3rd connector of valve (12) is connected with the second needle-valve (14), and the second needle-valve (14) is connected with gas outlet (18)；
Regulation branch road is provided between the sampling pump (11) and dedicated three-way selector valve (12), the regulation branch road is provided with the 3rd needle-valve
(15), the 3rd needle-valve (15) is connected with gas outlet (18)；
The drainage system includes peristaltic pump (16) and discharge outlet (19)；The discharge outlet (19) is by peristaltic pump (16) and electronics
Condenser (7) is connected.
2. inspection type flue gas regulating system as claimed in claim 1, it is characterised in that：The gas analyser (13) and teletransmission
The output signal of pressure gauge (9) is exported by communication interface；
First electromagnetic valve (4), the second electromagnetic valve (5), dedicated three-way selector valve (12), the first needle valve (10), the second needle-valve
The input signal of (14) the 3rd needle-valves (15) and air relief valve (22) is input into by communication interface.
3. inspection type flue gas regulating system as claimed in claim 2, it is characterised in that：The communication interface is PROFIBUS
DP slave station interface shapes.
4. the inspection type flue gas regulating system as described in any one of claim 1-3, it is characterised in that：The sampling mechanism and string
The quantity on UNICOM road is 3 groups.
5. inspection type flue gas regulating system as claimed in claim 4, it is characterised in that：Sampling handss valve (1) is by sampling
Point (21) is connected with sampling pipe (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620589331.8U CN206178491U (en) | 2016-06-16 | 2016-06-16 | Formula flue gas adjusting system patrols and examines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620589331.8U CN206178491U (en) | 2016-06-16 | 2016-06-16 | Formula flue gas adjusting system patrols and examines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206178491U true CN206178491U (en) | 2017-05-17 |
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ID=58673128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620589331.8U Active CN206178491U (en) | 2016-06-16 | 2016-06-16 | Formula flue gas adjusting system patrols and examines |
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| Country | Link |
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| CN (1) | CN206178491U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108312712A (en) * | 2017-12-29 | 2018-07-24 | 陕西北人印刷机械有限责任公司 | A kind of LEL circling measurments automatic control device |
| CN110076146A (en) * | 2019-05-05 | 2019-08-02 | 江西力沃德科技有限公司 | A kind of smoke sampling blowback pipeline |
| CN111650104A (en) * | 2020-06-23 | 2020-09-11 | 宝武装备智能科技有限公司 | Multichannel token type blowby analysis system and method for coke oven regenerator |
-
2016
- 2016-06-16 CN CN201620589331.8U patent/CN206178491U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108312712A (en) * | 2017-12-29 | 2018-07-24 | 陕西北人印刷机械有限责任公司 | A kind of LEL circling measurments automatic control device |
| CN110076146A (en) * | 2019-05-05 | 2019-08-02 | 江西力沃德科技有限公司 | A kind of smoke sampling blowback pipeline |
| CN111650104A (en) * | 2020-06-23 | 2020-09-11 | 宝武装备智能科技有限公司 | Multichannel token type blowby analysis system and method for coke oven regenerator |
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