CN203478274U - Gas mixture proportional control device for soot blowing system of boiler - Google Patents
Gas mixture proportional control device for soot blowing system of boiler Download PDFInfo
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- CN203478274U CN203478274U CN201320453801.4U CN201320453801U CN203478274U CN 203478274 U CN203478274 U CN 203478274U CN 201320453801 U CN201320453801 U CN 201320453801U CN 203478274 U CN203478274 U CN 203478274U
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Abstract
The utility model relates to a gas mixture proportional control device for a soot blowing system of a boiler. The device comprises an air pipeline, a gas pipeline, a monitoring and control device and an air buffer device, wherein the monitoring and control device is arranged between the air pipeline and the gas pipeline; the air buffer device is arranged on the air pipeline; and the monitoring and control device comprises a control cabinet, a gas flow monitoring valve, a gas flow control valve and a lead, the gas flow monitoring valve and the gas flow control valve are arranged on the air pipeline and the gas pipeline respectively, the lead is used for connecting the control cabinet, the gas flow monitoring valve and the gas flow control valve, and the control cabinet collects the gas flow monitored by the gas flow monitoring valve, outputs a flow control signal to the gas flow control valve through the lead and controls the flow of a gas in a corresponding channel. According to the gas mixture proportional control device for the soot blowing system of the boiler, the proportion of a gas mixture can be controlled more accurately, so that the soot blowing effect can be improved.
Description
Technical field
The utility model relates to a kind of gaseous mixture proportional control apparatus, particularly a kind of gaseous mixture proportional control apparatus for soot blower system.
Background technology
At present, for the purging means of collecting ash be generally adopt combustible gas and air proper proportion to mix after, then adopt the method for ignition deflagrating of hot to purge the dust stratification of boiler.This combustion gas soot blower system is being played the part of very important role in boiler soot-blowing field.
In prior art, according to regulate the soot blower of manufacturing to have much to the flow of combustion gas and air, brief introduction is as follows:
1) the air road in mixed proportion control device and combustion gas road all adopt the flowmeter that only has Site Detection function but export without the flow signal of telecommunication;
2) the air road in mixture control assembly and combustion gas road all adopt the flowmeter that Site Detection function is exported with the flow signal of telecommunication again;
3) the air road in mixture control assembly and combustion gas road all arrange pressure transmitter and flow control valve;
4) the air road in mixture control assembly and combustion gas road are provided with flow detector and volume control device accordingly.
Adopt the device of above 4 kinds of configurations all cannot guarantee the accurate of mixing ratio control, because the compressibility of gas, make the control of gas flow be subject to the impact of many conditions, be mainly subject to gas pressure influence, but the control of gas pressure is also not easy, so the control of gas flow is more difficult, reach accurate.The of the prior art the 1st), the 2nd) plant in the mixture control assembly of configuration, the output flow of air and combustion gas is all in uncontrolled state; And the 3rd) plant in configuration and be provided with pressure transmitter and flow control valve, it has certain control action to pressure and flow; The 4th) in configuration, be provided with corresponding control device; But these four kinds of configurations output flow is separately limited by the impact of the inlet pressure of its pipeline and the effective aperture of outlet gas path device, gas pressure and flow are also difficult to realize control; Even if stable-pressure device is set in gas piping, its inlet pressure is also difficult to ensure that card is stable, can make its gas flow change a lot, and then make the instability of flow of air and combustion gas, affects combustion gas soot blower system and blows grey effect.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of air and gas proportion more accurately controlled, and improves soot blower system and blows the gaseous mixture proportional control apparatus of grey effect.
The utility model is achieved in that
The utility model relates to a kind of gaseous mixture proportional control apparatus for soot blower system, described device is for controlling air and the combustion gas that enters blending tank, comprise air pipe line and fuel gas pipeline, described gaseous mixture proportional control apparatus also comprises the monitor controller being arranged between described air pipe line and described fuel gas pipeline; Described air pipe line is provided with air cushioning tank; The wire that described monitor controller comprises switch board, be separately positioned on described air pipe line and gas flow monitoring valve on described fuel gas pipeline and gas flow control valve, described switch board, gas flow monitoring valve are connected with gas flow control valve; Described switch board gathers the gas flow signal that gas flow monitoring valve unit monitoring arrives, and exports to gas flow control valve by wire, controls the flow of gas.
The utility model is the Real-Time Monitoring that utilizes switch board to carry out gas flow, and passes through wire transmission signal to gas flow control valve, thereby controls the flow of gas in respective line, can guarantee that the mixing ratio of air and combustion gas is more accurate; On air pipe line, be provided with air cushioning tank, can store a certain amount of air, improve the impact of air pressure fluctuation, improve both air flow modulation precision simultaneously.
Further, described air cushioning tank horizontal positioned, can increase the flowing time of air in surge flask, and buffering effect further improves.
Further, air pipe line described in the utility model comprises air intlet pipeline and air outlet slit pipeline; Described air intlet pipeline is provided with air intlet, air main valve, air blowoff valve, air reducing valve and the ring flange being connected with described air cushioning tank successively; Described air outlet slit pipeline is provided with AIR Proportional adjusting part, both air flow modulation magnetic valve, air pressure transmitter and air outlet slit successively; Described fuel gas pipeline is provided with gas storage device, combustion gas main valve, combustion gas blowoff valve, gas flow electromagnetic valve for adjusting, gaseous-pressure transmitter and gas outlet successively; Described gas flow monitoring valve and gas flow control valve are separately positioned between described AIR Proportional adjusting part on described air outlet slit pipeline, both air flow modulation magnetic valve and the combustion gas blowoff valve on described fuel gas pipeline, gas flow electromagnetic valve for adjusting between.
Preferably, AIR Proportional adjusting part described in the utility model comprises AIR Proportional electromagnetic valve for adjusting and the ring flange being connected with described air cushioning tank.
Further preferably, AIR Proportional adjusting part described in the utility model also comprises air conditioning pipeline; Described AIR Proportional adjusting part is at least two, and connected mode is in parallel, and the tube connector by closed at both ends is connected with air outlet slit pipeline.The object arranging like this can further be stablized the air that is entered air outlet slit pipeline by air cushioning tank.
Further preferred gas storage device described in the utility model comprises fuel gas bottle and combustion gas efferent duct.
The utility model is in order to improve the efficiency of supply of combustion gas, and described gas storage device is set at least be greater than 1 even number, and the tube connector by closed at both ends is connected with fuel gas pipeline, is provided with the safety valve corresponding with fuel gas bottle on described tube connector.The utility model is provided with safety valve for each fuel gas bottle, is convenient to the replacing of fuel gas bottle.
The beneficial effects of the utility model, are to provide a kind of control device of more accurately controlling air and gas proportion, and described apparatus structure is simple, easy to prepare.
Accompanying drawing explanation
Fig. 1 is the structural representation of the gaseous mixture proportional control apparatus for soot blower system described in the utility model embodiment 1;
Fig. 2 is the structural representation of the gaseous mixture proportional control apparatus for soot blower system described in the utility model embodiment 2;
Reference numeral:
1-air pipe line, 3-fuel gas pipeline, 4-monitor controller, 5-air cushioning tank,
41-switch board, 42-gas flow monitoring valve, 43-gas flow control valve, 44-wire,
10-air intlet pipeline, 20-air outlet slit pipeline,
11-air intlet, 12-air main valve, 13-air blowoff valve, 14-air reducing valve, 15-ring flange,
21-AIR Proportional adjusting part, 22-both air flow modulation magnetic valve, 23-air pressure transmitter, 24-air outlet slit,
211-AIR Proportional electromagnetic valve for adjusting, 212-ring flange, 213-air conditioning pipeline,
214-tube connector,
31-gas storage device, 32-combustion gas main valve, 33-combustion gas blowoff valve, 34-gas flow electromagnetic valve for adjusting, 35-gaseous-pressure transmitter, 36-gas outlet
311-fuel gas bottle, 312-combustion gas efferent duct, 313-tube connector, 314-safety valve.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is described further:
Embodiment 1
As shown in Figure 1: a kind of gaseous mixture proportional control apparatus for soot blower system, comprise air pipe line 1, fuel gas pipeline 3 and be arranged on described air pipe line 1 and the monitor controller 4 of 3 of described fuel gas pipelines and be arranged on the air cushioning tank 5 of horizontal positioned on described air pipe line 1, described air cushioning tank 5 can be stored air, and can improve the impact of air pressure fluctuation, the precision that improves both air flow modulation, horizontal positioned can extend the buffer time of air; Described air pipe line 1 comprises air intlet pipeline 10 and air outlet slit pipeline 20, and described air intlet pipeline 10 is provided with air intlet 11, air main valve 12, air blowoff valve 13, air reducing valve 14 and the ring flange 15 being connected with described air cushioning tank 5 successively; Described air outlet slit pipeline 20 is provided with AIR Proportional adjusting part 21, both air flow modulation magnetic valve 22, air pressure transmitter 23 and air outlet slit 24 successively; Described AIR Proportional adjusting part 21 comprises AIR Proportional electromagnetic valve for adjusting 211 and the ring flange 212 being connected with described air cushioning tank 5; Described fuel gas pipeline 3 is provided with gas storage device 31, combustion gas main valve 32, combustion gas blowoff valve 33, gas flow electromagnetic valve for adjusting 34, gaseous-pressure transmitter 35 and gas outlet 36 successively; Described gas flow monitoring valve 42 is arranged between the described AIR Proportional adjusting part 21 and both air flow modulation magnetic valve 22 on described air outlet slit pipeline 20; Described gas flow control valve 43 is arranged between the combustion gas blowoff valve 33 and gas flow electromagnetic valve for adjusting 34 on described fuel gas pipeline 3; The utility model is by the Real-Time Monitoring that air mass flow is carried out, by switch board 41, gather the gas flow signal that the gas flow monitoring valve 42 on air outlet slit pipeline 20 monitors, and be transferred to the gas flow control valve 43 in fuel gas pipeline 3 by wire 44, thereby control the flow of combustion gas, can guarantee that the mixing ratio of air and combustion gas is more accurate.
As shown in Figure 2: a kind of gaseous mixture proportional control apparatus for soot blower system, comprise air pipe line 1, fuel gas pipeline 3 and monitor controller 4 and be arranged on the air cushioning tank 5 of horizontal positioned on described air pipe line, described air cushioning tank 5 can be stored air, and can improve the impact of air pressure fluctuation, improve the precision of both air flow modulation, horizontal positioned can extend the buffer time of air in buffer unit; Described air pipe line 1 comprises air intlet pipeline 10 and air outlet slit pipeline 20, and described air intlet pipeline 10 is provided with air intlet 11, air main valve 12, air blowoff valve 13, air reducing valve 14 and the ring flange 15 being connected with described air cushioning tank 5 successively; Described air outlet slit pipeline 20 is provided with 3 AIR Proportional adjusting parts 21 in parallel, both air flow modulation magnetic valve 22, air pressure transmitter 23 and air outlet slits 24 successively; Described AIR Proportional adjusting part 21 comprises air conditioning pipeline 213, is arranged on the ring flange 212 being connected with described air cushioning tank 5 on described air conditioning pipeline 213 and is arranged on the AIR Proportional electromagnetic valve for adjusting 211 on described air conditioning pipeline 213; The AIR Proportional adjusting part 21 of described parallel connection is connected with air outlet slit pipeline 20 by the tube connector 214 of closed at both ends; Described fuel gas pipeline 3 is provided with 4 gas storage devices 31 in parallel, combustion gas main valve 32, combustion gas blowoff valve 33, gas flow electromagnetic valve for adjusting 34, gaseous-pressure transmitter 35 and gas outlets 36 successively; Gas storage device 31 comprises fuel gas bottle 311 and combustion gas efferent duct 312, and described gas storage device 31 is connected with fuel gas pipeline 3 by the tube connector 313 of closed at both ends, is provided with the safety valve corresponding with fuel gas bottle 311 314 on described tube connector 313; Described gas flow control valve 43 is arranged between the described AIR Proportional adjusting part 21 and both air flow modulation magnetic valve 22 on described air outlet slit pipeline 20; Described gas flow monitoring valve 42 is arranged between the combustion gas blowoff valve 33 and gas flow electromagnetic valve for adjusting 34 on described fuel gas pipeline 3; The utility model is by the Real-Time Monitoring that gas flow is carried out, by switch board 41, gather the gas flow signal that the gas flow monitoring valve 42 on fuel gas pipeline 3 monitors, by wire 44 signal transmissions to the gas flow control valve 43 in air outlet slit pipeline 20, thereby control the flow of air, can guarantee that the mixing ratio of air and combustion gas is more accurate.
The utility model provides a kind of device of more accurately controlling combustion gas and air mixing ratio.
The above embodiment is described the preferred embodiment of the present invention; not scope of the present invention is limited; design under the prerequisite of spirit not departing from the present invention; various distortion and improvement that those of ordinary skills make technical scheme of the present invention, all should fall in the definite protection domain of claims of the present invention.
Claims (7)
1. for a gaseous mixture proportional control apparatus for soot blower system, described device, for controlling air and the combustion gas that enters blending tank, comprises that air pipe line (1) and fuel gas pipeline (3) is characterized in that,
Described gaseous mixture proportional control apparatus also comprises the monitor controller (4) being arranged between described air pipe line (1) and described fuel gas pipeline (3);
Described air pipe line (1) is provided with air cushioning tank (5);
Described monitor controller (4) comprises switch board (41), be separately positioned on described air pipe line (1) with gas flow monitoring valve (42) and gas flow control valve (43) on described fuel gas pipeline (3), described switch board (41), gas flow are monitored to the wire (44) that valve (42) is connected with gas flow control valve (43);
Described switch board (41) gathers the gas flow signal that gas flow monitoring valve (42) monitors, and exports to gas flow control valve (43) by wire (44), controls the flow of gas.
2. the gaseous mixture proportional control apparatus for soot blower system as claimed in claim 1, is characterized in that, described air cushioning tank (5) horizontal positioned.
3. the gaseous mixture proportional control apparatus for soot blower system as claimed in claim 1, is characterized in that,
Described air pipe line (1) comprises air intlet pipeline (10) and air outlet slit pipeline (20);
Described air intlet pipeline (10) is provided with air intlet (11), air main valve (12), air blowoff valve (13), air reducing valve (14) and the ring flange (15) being connected with described air cushioning tank (5) successively;
Described air outlet slit pipeline (20) is provided with AIR Proportional adjusting part (21), both air flow modulation magnetic valve (22), air pressure transmitter (23) and air outlet slit (24) successively;
Described fuel gas pipeline (3) is provided with gas storage device (31), combustion gas main valve (32), combustion gas blowoff valve (33), gas flow electromagnetic valve for adjusting (34), gaseous-pressure transmitter (35) and gas outlet (36) successively;
Described gas flow monitoring valve (42) and gas flow control valve (43) are separately positioned between described AIR Proportional adjusting part (21) on described air outlet slit pipeline (20), both air flow modulation magnetic valve (22) and the combustion gas blowoff valve (33) on described fuel gas pipeline (3), gas flow electromagnetic valve for adjusting (34) between.
4. the gaseous mixture proportional control apparatus for soot blower system as claimed in claim 3, it is characterized in that, described AIR Proportional adjusting part (21) comprises AIR Proportional electromagnetic valve for adjusting (211) and the ring flange (212) being connected with described air cushioning tank (5).
5. the gaseous mixture proportional control apparatus for soot blower system as claimed in claim 4, is characterized in that, described AIR Proportional adjusting part (21) also comprises air conditioning pipeline (213); Described AIR Proportional adjusting part (21) is at least two, and connected mode is in parallel, and the tube connector (214) by closed at both ends is connected with air outlet slit pipeline (20).
6. the gaseous mixture proportional control apparatus for soot blower system as claimed in claim 3, is characterized in that, described gas storage device (31) comprises fuel gas bottle (311) and combustion gas efferent duct (312).
7. the gaseous mixture proportional control apparatus for soot blower system as claimed in claim 6, it is characterized in that, described gas storage device (31) is at least the even number that is greater than 1, tube connector (313) by closed at both ends is connected with fuel gas pipeline (3), is provided with the safety valve (314) corresponding with fuel gas bottle (311) on described tube connector (313).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320453801.4U CN203478274U (en) | 2013-07-29 | 2013-07-29 | Gas mixture proportional control device for soot blowing system of boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320453801.4U CN203478274U (en) | 2013-07-29 | 2013-07-29 | Gas mixture proportional control device for soot blowing system of boiler |
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| Publication Number | Publication Date |
|---|---|
| CN203478274U true CN203478274U (en) | 2014-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320453801.4U Expired - Lifetime CN203478274U (en) | 2013-07-29 | 2013-07-29 | Gas mixture proportional control device for soot blowing system of boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203478274U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105180186A (en) * | 2015-09-15 | 2015-12-23 | 付金波 | Flue gas ignition system and control device for soot blower |
| CN110989700A (en) * | 2019-12-31 | 2020-04-10 | 格力电器（郑州）有限公司 | Gas flow control cabinet |
| CN111318192A (en) * | 2020-03-23 | 2020-06-23 | 潍坊众成自动化设备有限公司 | System and method for automatically proportioning various fuel gases and air according to flow requirements |
-
2013
- 2013-07-29 CN CN201320453801.4U patent/CN203478274U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105180186A (en) * | 2015-09-15 | 2015-12-23 | 付金波 | Flue gas ignition system and control device for soot blower |
| CN110989700A (en) * | 2019-12-31 | 2020-04-10 | 格力电器（郑州）有限公司 | Gas flow control cabinet |
| CN111318192A (en) * | 2020-03-23 | 2020-06-23 | 潍坊众成自动化设备有限公司 | System and method for automatically proportioning various fuel gases and air according to flow requirements |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191111 Address after: No.1, Yushu sidiao, Dongcheng District, Beijing 100000 Patentee after: Qiu Xiaoqiong Address before: 100101 No. 43, Chaoyang North Road, Chaoyang District, Beijing Patentee before: Qiu Lunfu |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200608 Address after: 100000 Room 202, building 4, courtyard 10 (South courtyard), xiaoguandongli, Chaoyang District, Beijing Patentee after: Beijing jingbenyuan Environmental Protection Technology Co.,Ltd. Address before: No.1, Yushu sidiao, Dongcheng District, Beijing 100000 Patentee before: Qiu Xiaoqiong |
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| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140312 |
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| CX01 | Expiry of patent term |