CN203478199U - Device for controlling water supply and steam exhaust of water jacket of coal gasification direct combustion boiler - Google Patents
Device for controlling water supply and steam exhaust of water jacket of coal gasification direct combustion boiler Download PDFInfo
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- CN203478199U CN203478199U CN201320448147.8U CN201320448147U CN203478199U CN 203478199 U CN203478199 U CN 203478199U CN 201320448147 U CN201320448147 U CN 201320448147U CN 203478199 U CN203478199 U CN 203478199U
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Abstract
The utility model discloses a device for controlling water supply and steam exhaust of a water jacket of a coal gasification direct combustion boiler. The coal gasification direct combustion boiler comprises a gas generator which is sleeved with the water jacket; the coal gasification direct combustion boiler further comprises a steam drum, a control mechanism and an execution mechanism; the steam drum is connected with the water jacket through a water supply pipeline; a saturated steam pipeline is arranged on the water jacket; an output end of the saturated steam pipeline is communicated with a furnace chamber of the gas generator; the height of the water supply pipeline relative to a water outlet end of the steam drum is larger than that of the water supply pipeline relative to a water inlet end of the water jacket; the execution mechanism comprises an electric control valve arranged on the saturated steam pipeline and an electromagnetic valve arranged on the water supply pipeline; a frequency converter in driving connection with the electromagnetic valve is arranged on the electromagnetic valve; and the control mechanism comprises a plurality of temperature sensors, a magnetic float type liquid level gauge and a main controller. The device can control water supply and steam exhaust of the water jacket automatically, so that normal operation of the gas generator is guaranteed.
Description
Technical field
The utility model relates to electron controls technology field, specifically refers to that the water leg of coal gasification direct-combustion boiler supplies water and row's vapor controlling device.
Background technology
The existing coal-burned industrial boiler thermal efficiency is generally low, and Air Pollutant Emission exceeds standard, and does not meet the situation demands of current energy-saving and emission-reduction.And fuel-oil or fuel-gas boiler operating cost is high, general user is difficult to bear.
Coal gasification direct-combustion boiler is a kind of equipment of the generation steam that coal is changed into coal gas and then burn, its structure includes gas generator and steam boiler two parts, wherein on the outer wall of gas generator, be arranged with water leg, on water leg, be connected with the drum (also claiming water tank) that water supply chuck supplies water, this coal gasification direct-combustion boiler is compared to traditional coal-burning boiler, and it has advantages of that operating cost is low, environmental pollution is little.
Yet there is following problem in this coal gasification direct-combustion boiler:
(1) transformation efficiency of coal gasification is lower, and then causes the thermal efficiency of whole boiler on the low side.The inventor finds through research, in gas generator, saturation temperature is very huge on the impact of coal gas generation efficiency, and the saturated vapor that saturation temperature directly produces in water leg determines, yet in boiler technology field, also do not have ready-made control device to carry out fine adjustment and control to saturated vapor, be therefore necessary to improve;
(2)the water level of drum is all to adopt artificial interpolation to control, so needs artificial nurse, and labour intensity is large, and it is not enough that the interior retaining of steam water-level water leg not enough and that cause easily occurs, and then causes gas generator excess Temperature, occurs potential safety hazard.In addition, the water level of drum also directly has influence on the saturated vapor generation of the water leg being connected with drum, therefore when controlling steam, also needs steam water-level to be controlled simultaneously.
Summary of the invention
The purpose of this utility model is the shortcoming and defect existing in order to overcome prior art, and provide a kind of, can automatically control water leg water supply and row's steam, thereby guarantee that the water leg of the coal gasification direct-combustion boiler of gas generator normal operation supplies water and arranges vapor controlling device.
For achieving the above object, the technical solution of the utility model coal gasification direct-combustion boiler includes gas generator, gas generator is arranged with water leg outward, also comprise drum, this drum is connected by water supply line with water leg, it is characterized in that: on described water leg, be provided with saturated vapor pipeline, the output of this saturated vapor pipeline is connected with the furnace chamber of gas generator, the height of the water side of the relative drum of this water supply line is higher than the height of the water inlet end of the relative water leg of water supply line, also include controlling organization and executing agency, described executing agency includes the electric control valve being arranged on saturated vapor pipeline and is arranged at the magnetic valve on water supply line, on this magnetic valve, be provided with the frequency converter being connected with solenoid-driven, described controlling organization includes with lower unit: a plurality of temperature sensors, be uniformly distributed in the furnace chamber that is arranged at gas generator, and output furnace cavity temperature signal, magnetic-float type liquid level meter, is arranged in drum, for detection of water level in drum, and defeated water level signal, master controller, the furnace chamber temperature signal of described a plurality of temperature sensors is connected to master controller by the input of CAN bus, this master controller is processed the furnace chamber temperature signal of temperature sensor, and instruction is carried out in generation, execution instruction is passed to PLC cyclelog, in this PLC cyclelog, be provided with PID intelligence adjustment module, described PLC cyclelog output control instruction, and drive and be connected cooperation with electric control valve, the water level signal of described magnetic-float type liquid level meter is connected to master controller by the input of CAN bus, this master controller is processed the water level signal of magnetic-float type liquid level meter, and instruction is carried out in generation, execution instruction is passed to PLC cyclelog, in this PLC cyclelog, be provided with PID intelligence adjustment module, described PLC cyclelog output control instruction, and be connected cooperation with Frequency Converter Control.
Further arrange is to be also connected with LCD display, keyboard interface and memory cell on described master controller.
Further arrange is to be also connected with audible-visual annunciator on described master controller.
The utility model, the saturated vapor that water leg produces enters into gas generator by saturated vapor pipeline, utilize the unit coordinated such as temperature sensor, master controller, PLC cyclelog, drive motorized adjustment valve events, realization regulates the saturated vapor flow in saturated vapor pipeline, and then the saturation temperature in control gas generator, make its stable state, thereby guarantee efficiently carrying out of gas burner internal-response.In addition, utilize magnetic-float type liquid level meter to detect the water level of drum, and water level signal is outputed to the unit such as master controller, PLC cyclelog and carry out computing and coordinated, drive electromagnetic valve switch, and then water leg is supplied water and stops the action of supplying water, thereby in assurance water leg, have water always, and then guaranteed normally carrying out of gas burner internal-response.And can also realize the Collaborative Control to the flow of the water level of drum and saturated vapor by master controller, ensure the normal operation of gas generator.
Below in conjunction with specification drawings and specific embodiments, the utility model is described further.
Accompanying drawing explanation
Fig. 1 the utility model specific embodiment structural plan;
Fig. 2 the utility model specific embodiment theory diagram.
The specific embodiment
Below by embodiment, the utility model is specifically described, only for the utility model is further described, can not be interpreted as the restriction to the utility model protection domain.
The specific embodiment of the present utility model as shown in Figure 1-2, coal gasification direct-combustion boiler includes gas generator 1, gas generator is arranged with water leg 2 outward, also comprise drum 3, this drum 3 is connected by water supply line 31 with water leg 2, on described water leg 2, be provided with saturated vapor pipeline 21, the output of this saturated vapor pipeline 21 is connected with the furnace chamber of gas generator, the height of the water side of these water supply line 31 relative drums is higher than the height of the water inlet end of the relative water leg of water supply line, also include controlling organization and executing agency, described executing agency includes the electric control valve 22 being arranged on saturated vapor pipeline 21 and is arranged at the magnetic valve 32 on water supply line 31, on this magnetic valve 32, be provided with the frequency converter 33 being connected with solenoid-driven,
Described controlling organization includes with lower unit:
A plurality of temperature sensors 41, are uniformly distributed in the furnace chamber that is arranged at gas generator, and output furnace cavity temperature signal;
Magnetic-float type liquid level meter 42, is arranged in drum, for detection of water level in drum, and defeated water level signal;
In addition, on the master controller described in the present embodiment, be also connected with LCD display 46, keyboard interface 47 and memory cell 48.Described memory cell 48 is FLASH memory and SDRAM memory.In addition, on the master controller 43 described in the present embodiment, be also connected with audible-visual annunciator 49, for sound and light alarm.
Claims (3)
1. the water leg of a coal gasification direct-combustion boiler supplies water and row's vapor controlling device, coal gasification direct-combustion boiler includes gas generator, gas generator is arranged with water leg outward, also comprise drum, this drum is connected by water supply line with water leg, it is characterized in that: on described water leg, be provided with saturated vapor pipeline, the output of this saturated vapor pipeline is connected with the furnace chamber of gas generator, the height of the water side of the relative drum of this water supply line is higher than the height of the water inlet end of the relative water leg of water supply line, also include controlling organization and executing agency, described executing agency includes the electric control valve being arranged on saturated vapor pipeline and is arranged at the magnetic valve on water supply line, on this magnetic valve, be provided with the frequency converter being connected with solenoid-driven, described controlling organization includes with lower unit: a plurality of temperature sensors, be uniformly distributed in the furnace chamber that is arranged at gas generator, and output furnace cavity temperature signal, magnetic-float type liquid level meter, is arranged in drum, for detection of water level in drum, and defeated water level signal, master controller, the furnace chamber temperature signal of described a plurality of temperature sensors is connected to master controller by the input of CAN bus, this master controller is processed the furnace chamber temperature signal of temperature sensor, and instruction is carried out in generation, execution instruction is passed to PLC cyclelog, in this PLC cyclelog, be provided with PID intelligence adjustment module, described PLC cyclelog output control instruction, and drive and be connected cooperation with electric control valve, the water level signal of described magnetic-float type liquid level meter is connected to master controller by the input of CAN bus, this master controller is processed the water level signal of magnetic-float type liquid level meter, and instruction is carried out in generation, execution instruction is passed to PLC cyclelog, in this PLC cyclelog, be provided with PID intelligence adjustment module, described PLC cyclelog output control instruction, and be connected cooperation with Frequency Converter Control.
2. the water leg of a kind of coal gasification direct-combustion boiler according to claim 1 supplies water and row's vapor controlling device, it is characterized in that: on described master controller, be also connected with LCD display, keyboard interface and memory cell.
3. the water leg of a kind of coal gasification direct-combustion boiler according to claim 1 supplies water and row's vapor controlling device, it is characterized in that: on described master controller, be also connected with audible-visual annunciator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320448147.8U CN203478199U (en) | 2013-07-24 | 2013-07-24 | Device for controlling water supply and steam exhaust of water jacket of coal gasification direct combustion boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320448147.8U CN203478199U (en) | 2013-07-24 | 2013-07-24 | Device for controlling water supply and steam exhaust of water jacket of coal gasification direct combustion boiler |
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| Publication Number | Publication Date |
|---|---|
| CN203478199U true CN203478199U (en) | 2014-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320448147.8U Expired - Fee Related CN203478199U (en) | 2013-07-24 | 2013-07-24 | Device for controlling water supply and steam exhaust of water jacket of coal gasification direct combustion boiler |
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| CN (1) | CN203478199U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105318314A (en) * | 2014-07-28 | 2016-02-10 | 河北九鼎冶金设备制造有限公司 | Coal gas generator system for heating furnace |
| CN110218586A (en) * | 2019-07-05 | 2019-09-10 | 山东义丰环保机械股份有限公司 | A kind of the water leg blast protection control system and control method of gas generator |
-
2013
- 2013-07-24 CN CN201320448147.8U patent/CN203478199U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105318314A (en) * | 2014-07-28 | 2016-02-10 | 河北九鼎冶金设备制造有限公司 | Coal gas generator system for heating furnace |
| CN105318314B (en) * | 2014-07-28 | 2017-12-01 | 河北九鼎冶金设备制造有限公司 | A kind of heating furnace gas generator system |
| CN110218586A (en) * | 2019-07-05 | 2019-09-10 | 山东义丰环保机械股份有限公司 | A kind of the water leg blast protection control system and control method of gas generator |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140312 Termination date: 20200724 |