CN104560219A - Quenching ring protection device - Google Patents
Quenching ring protection device Download PDFInfo
- Publication number
- CN104560219A CN104560219A CN201410801422.9A CN201410801422A CN104560219A CN 104560219 A CN104560219 A CN 104560219A CN 201410801422 A CN201410801422 A CN 201410801422A CN 104560219 A CN104560219 A CN 104560219A
- Authority
- CN
- China
- Prior art keywords
- water tank
- water
- chilling ring
- liquid level
- pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2200/00—Details of gasification apparatus
- C10J2200/09—Mechanical details of gasifiers not otherwise provided for, e.g. sealing means
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention relates to a quenching ring protection device applicable to the technical field of coal gasification. The quenching ring protection device comprises a liquid level and pressure measuring device, a water storage tank, a pressure maintaining gas pipe, a temperature measuring device, a water replenishing pipe, a heater, a regulating device, a water storage tank-to-gasifier quenching ring pipeline and a cut-off valve, wherein the water storage tank for storing accidental quenching water is provided with the liquid level and pressure measuring device for monitoring the liquid level and pressure of the water storage tank; the temperature measuring device for detecting water temperature in the water storage tank is arranged on the water storage tank; the heater, which is used for automatically heating the water in the water storage tank when the water temperature is lower than a set value, is arranged in the water storage tank; and the pressure maintaining gas pipe, which is used for maintaining the pressure of the water storage tank to be constant and a certain value higher than the pressure of the gasifier, is arranged in the water storage tank. The quenching ring protection device has the advantages of simple structure and low investment, can effectively protect the quenching ring, can ensure the equipment and operation safety, and can ensure continuous water replenishing for some time after water shutoff of the quenching ring, thereby ensuring no hot ablation of the quenching ring when hot gas passes through the slag hole.
Description
Technical field
The present invention relates to a kind of chilling ring protector of gasifying reactor in Coal Gasification Technology field, be particularly useful for the protection to chilling ring in the situations such as monomer Quench Pump Failure or systemic electric network fault.
Background technology
At present, existing mainstream gas fluidized bed Coal Gasification Technology mainly contains the gasification of dry coal powder gasification, coal water slurry gasification or polynary slurry, no matter be space chilling process or downtake chilling process, synthetic gas and lime-ash also flow and all pass downwardly through cinder notch, cut off the water supply if chilling ring breaks down, then likely cause chilling ring overtemperature to burn, cause serious equipment breakdown or other security incidents.Existing running gear is by Quench water pump for subsequent use being set to flow low self-starting interlocking or arranging other pump discharge water compensating valves interlock the way opened, and solves chilling ring and to cut off the water supply the situation generation causing chilling ring to burn out.As systemic electric network fault appears in existing running gear, then chilling ring still cannot break away from and cut off the water supply after high temperature ablation misfortune.Therefore developing a kind of chilling ring protector is the new problem being badly in need of solving.
Summary of the invention
The object of the present invention is to provide a kind of chilling ring protector, this invention can provide certain hour continuous moisturizing after chilling ring is cut off the water supply, and when guaranteeing High Temperature Gas by cinder notch, chilling ring does not occur high temperature ablation.
The object of the present invention is achieved like this: a kind of chilling ring protector, comprise liquid level and stress measuring device, water tank, pressurize tracheae, temperature measuring equipment, filling pipe, heating unit, setting device, water tank is to chilling ring of gasifying furnace pipeline, trip valve, water tank for storing accident chilled water arranges the liquid level for monitoring water tank liquid level and pressure and stress measuring device, water tank arranges the temperature measuring equipment being used for detecting water temp in water tank, water temperature is set in water tank lower than heating unit during certain set(ting)value, the water in water tank being carried out to Automatic-heating, arrange for keeping water tank constant pressure and higher than the pressurize tracheae of vapourizing furnace pressure certain value in water tank, the setting device adjusting the accident water flow of chilling ring after opening for trip valve with for open in time during chilling ring lack of water or water tank liquid level is too low time the trip valve of closing in time between be connected to chilling ring of gasifying furnace pipeline with water tank, pipeline external need arrange the tracing system preventing pipe internal memory water freezing, the filling pipe being used for keeping water tank liquid level high limit to water tank moisturizing is set in water tank, described water tank is pressure resistant vessel, and container is 20-50m
3, carry out pressurize with high pressure gas to water tank, when water tank normally works, pressure is higher than gasifying reactor pressure 0-2.0MPa, described water tank is provided with heating unit, is provided with temperature measuring equipment simultaneously and is used for detecting water temperature in water tank, when temperature starts heating unit automatically lower than during certain set(ting)value, higher than heating-stopping apparatus during certain set(ting)value in water tank, described water tank is with liquid level and stress measuring device, and when pressure or liquid level are lower than certain lower value, trip valve should be in closing condition, described water tank presses bivalve setting to the valve of gasifying reactor, and first is variable valve, and second is ball valve, and trip valve used is metal two-way sealing ball valve, described water tank is to the chilled water pipeline of gasifying reactor with heat tracing pipe, and companion's hot mode is electrical tracing or steam tracing, water tank runs under liquid level high limit state, and during to chilling ring moisturizing to water tank liquid level lower bound, trip valve cuts out, its principle of work is, pressurize tracheae guarantees that water tank pressure is higher than gasifying reactor pressure 0-2.0MPa, and liquid level and stress measuring device are that the water compensating valve on filling pipe opens fluid infusion in water tank automatically when water tank liquid level is lower than certain set(ting)value, water tank is be variable valve or restriction orifice to chilling ring of gasifying furnace pipeline, trip valve, setting device, in order to control accident chilled water flow, temperature measuring equipment and heating unit with the use of, when temperature measuring equipment detects that in water tank, temperature is lower than certain set(ting)value, heating unit automatic switching use, when temperature in tank is higher than set(ting)value, heating unit exits automatically, after this chilling ring protector comes into operation, once chilled water flow is lower than certain set(ting)value, trip valve is opened automatically, and in water tank, water is by entering chilling ring after adjustment flow, it uses and working method is that, in system normal course of operation, this chilling ring protector is in stand-by state, in alternate processes, when temperature measuring equipment records that in water tank, temperature is lower than 4 DEG C, by heating unit, water in tank is heated, when temperature reaches 70 DEG C, stop heating, stop moisturizing when water tank moisturizing to liquid level is 80%, pass into nitrogen by pressurize tracheae, keep water tank pressure be 5.0MPa and keep constant, when occurring that equipment failure or other electrical accident cause chilled water lower than 80m
3when/h or pipeline cutout, valve open on water tank to the chilled water pipeline of chilling ring, carries out lasting moisturizing to chilling ring, and when liquid level lower bound in water tank is reported to the police, on water tank to the chilled water pipeline of chilling ring, valve is closed automatically.
Main points of the present invention are its structure and working principle.Its principle of work is, pressurize tracheae guarantees that water tank pressure is higher than gasifying reactor pressure 0-2.0MPa, and liquid level and stress measuring device are that the water compensating valve on filling pipe opens fluid infusion in water tank automatically when water tank liquid level is lower than certain set(ting)value; Water tank is be variable valve or restriction orifice to chilling ring of gasifying furnace pipeline, trip valve, setting device, in order to control accident chilled water flow; Temperature measuring equipment and heating unit with the use of, when temperature measuring equipment detects that in water tank, temperature is lower than certain set(ting)value, heating unit automatic switching use, when temperature in tank is higher than set(ting)value, heating unit exits automatically; After this chilling ring protector comes into operation, once chilled water flow is lower than certain set(ting)value, trip valve is opened automatically, and in water tank, water is by entering chilling ring after adjustment flow.
A kind of chilling ring protector compared with prior art; have that structure is simple, low investment; energy available protecting chilling ring; guarantee equipment and operating safety; can provide certain hour continuous moisturizing after chilling ring is cut off the water supply; when guaranteeing High Temperature Gas by cinder notch, there is not the advantages such as high temperature ablation in chilling ring, will be widely used in Coal Gasification Technology field.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is described in detail.
Fig. 1 is systematic schematic diagram of the present invention.
Embodiment
With reference to accompanying drawing, a kind of chilling ring protector, comprise liquid level and stress measuring device 1, water tank 2, pressurize tracheae 3, temperature measuring equipment 4, filling pipe 5, heating unit 6, setting device 7, water tank 2 to chilling ring of gasifying furnace pipeline 8, trip valve 9, water tank 2 for storing accident chilled water arranges the liquid level for monitoring water tank 2 liquid level and pressure and stress measuring device 1, water tank 2 arranges the temperature measuring equipment 4 being used for detecting water temp in water tank 2, water temperature is set in water tank 2 lower than the heating unit 6 during certain set(ting)value, the water in water tank 2 being carried out to Automatic-heating, arrange for keeping water tank 2 constant pressure and higher than the pressurize tracheae 3 of vapourizing furnace pressure certain value in water tank 2, the setting device 7 adjusting the accident water flow of chilling ring after opening for trip valve 9 with for open in time during chilling ring lack of water or water tank 2 liquid level is too low time the trip valve 9 of closing in time between be connected with water tank 2 to chilling ring of gasifying furnace pipeline 8, pipeline external need arrange the tracing system preventing pipe internal memory water freezing, the filling pipe 5 being used for keeping water tank 2 liquid level high limit to water tank 2 moisturizing is set in water tank 2.
Described water tank 2 is pressure resistant vessel, and container is 20-50m
3, carry out pressurize with high pressure gas to water tank 2, when water tank 2 normally works, pressure is higher than gasifying reactor pressure 0-2.0MPa.
Described water tank 2 is provided with heating unit 6, is provided with temperature measuring equipment 4 simultaneously and is used for detecting water temperature in water tank 2, when temperature starts heating unit 6 automatically lower than during certain set(ting)value, higher than heating-stopping apparatus 6 during certain set(ting)value in water tank 2.
Described water tank 2 is with liquid level and stress measuring device 1, and when pressure or liquid level are lower than certain lower value, trip valve 9 should be in closing condition.
The valve of described water tank 2 to gasifying reactor is pressed bivalve and is arranged, and first is variable valve, and second is ball valve, and trip valve 9 used is metal two-way sealing ball valve.
The chilled water pipeline of described water tank 2 to gasifying reactor is with heat tracing pipe, and companion's hot mode is electrical tracing or steam tracing; Water tank 2 runs under liquid level high limit state, and during to chilling ring moisturizing to water tank 2 liquid level lower bound, trip valve 9 cuts out.
Its principle of work is, pressurize tracheae 3 guarantees that water tank 2 pressure is higher than gasifying reactor pressure 0-2.0MPa, and liquid level and stress measuring device 1 are that the water compensating valve on filling pipe 5 opens fluid infusion in water tank 2 automatically when water tank 2 liquid level is lower than certain set(ting)value; Water tank 2 to chilling ring of gasifying furnace pipeline 8, trip valve 9, setting device 7 are variable valve or restriction orifice, in order to control accident chilled water flow; Both temperature measuring equipment 4 and heating unit 6 with the use of, when temperature measuring equipment detects that in water tank 2, temperature is lower than certain set(ting)value, heating unit automatic switching use, when temperature in tank is higher than set(ting)value, heating unit exits automatically; After this chilling ring protector comes into operation, once chilled water flow is lower than certain set(ting)value, trip valve 9 is opened automatically, and in water tank 2, water is by entering chilling ring after adjustment flow.
It uses and working method is that, in system normal course of operation, this chilling ring protector is in stand-by state; In alternate processes, when temperature measuring equipment 4 records that in water tank 2, temperature is lower than 4 DEG C, heated by water in heating unit 6 pairs of tanks, when temperature reaches 70 DEG C, stop heating; Stop moisturizing when water tank 2 moisturizing to liquid level is 80%, pass into nitrogen by pressurize tracheae 3, keep water tank 2 pressure be 5.0MPa (vapourizing furnace pressure is 4.0MPa) and keep constant; When occurring that equipment failure or other electrical accident cause chilled water lower than 80m
3when/h or pipeline cutout, valve open on the chilled water pipeline of water tank 2 to chilling ring, carries out lasting moisturizing to chilling ring, and when liquid level lower bound in water tank 2 is reported to the police, on the chilled water pipeline of water tank 2 to chilling ring, valve is closed automatically.
Claims (8)
1. a chilling ring protector, comprise liquid level and stress measuring device, water tank, pressurize tracheae, temperature measuring equipment, filling pipe, heating unit, setting device, water tank is to chilling ring of gasifying furnace pipeline, trip valve, it is characterized in that: the liquid level for monitoring water tank liquid level and pressure and stress measuring device are set on the water tank for storing accident chilled water, water tank arranges the temperature measuring equipment being used for detecting water temp in water tank, water temperature is set in water tank lower than heating unit during certain set(ting)value, the water in water tank being carried out to Automatic-heating, arrange for keeping water tank constant pressure and higher than the pressurize tracheae of vapourizing furnace pressure certain value in water tank, the setting device adjusting the accident water flow of chilling ring after opening for trip valve with for open in time during chilling ring lack of water or water tank liquid level is too low time the trip valve of closing in time between be connected to chilling ring of gasifying furnace pipeline with water tank, pipeline external need arrange the tracing system preventing pipe internal memory water freezing, the filling pipe being used for keeping water tank liquid level high limit to water tank moisturizing is set in water tank.
2. a kind of chilling ring protector according to claim 1, it is characterized in that: described water tank is pressure resistant vessel, container is 20-50m
3, carry out pressurize with high pressure gas to water tank, when water tank normally works, pressure is higher than gasifying reactor pressure 0-2.0MPa.
3. a kind of chilling ring protector according to claim 1; it is characterized in that: described water tank is provided with heating unit; be provided with temperature measuring equipment in water tank to be used for detecting water temperature in water tank simultaneously; when temperature starts heating unit automatically lower than during certain set(ting)value, higher than heating-stopping apparatus during certain set(ting)value.
4. a kind of chilling ring protector according to claim 1, is characterized in that: described water tank is with liquid level and stress measuring device, and when pressure or liquid level are lower than certain lower value, trip valve should be in closing condition.
5. a kind of chilling ring protector according to claim 1, is characterized in that: described water tank is arranged to the valve of gasifying reactor by bivalve, and first is variable valve, and second is ball valve, and trip valve used is metal two-way sealing ball valve.
6. a kind of chilling ring protector according to claim 1, is characterized in that: described water tank is to the chilled water pipeline of gasifying reactor with heat tracing pipe, and companion's hot mode is electrical tracing or steam tracing; Water tank runs under liquid level high limit state, and during to chilling ring moisturizing to water tank liquid level lower bound, trip valve cuts out.
7. a kind of chilling ring protector according to claim 1, it is characterized in that: its principle of work is, pressurize tracheae guarantees that water tank pressure is higher than gasifying reactor pressure 0-2.0MPa, liquid level and stress measuring device are that the water compensating valve on filling pipe opens fluid infusion in water tank automatically when water tank liquid level is lower than certain set(ting)value; Water tank is be variable valve or restriction orifice to chilling ring of gasifying furnace pipeline, trip valve, setting device, in order to control accident chilled water flow; Temperature measuring equipment and heating unit with the use of, when temperature measuring equipment detects that in water tank, temperature is lower than certain set(ting)value, heating unit automatic switching use, when temperature in tank is higher than set(ting)value, heating unit exits automatically; After this chilling ring protector comes into operation, once chilled water flow is lower than certain set(ting)value, trip valve is opened automatically, and in water tank, water is by entering chilling ring after adjustment flow.
8. a kind of chilling ring protector according to claim 1, is characterized in that: it uses and working method is that, in system normal course of operation, this chilling ring protector is in stand-by state; In alternate processes, when temperature measuring equipment records that in water tank, temperature is lower than 4 DEG C, by heating unit, water in tank is heated, when temperature reaches 70 DEG C, stop heating; Stop moisturizing when water tank moisturizing to liquid level is 80%, pass into nitrogen by pressurize tracheae, keep water tank pressure be 5.0MPa and keep constant; When occurring that equipment failure or other electrical accident cause chilled water lower than 80m
3when/h or pipeline cutout, valve open on water tank to the chilled water pipeline of chilling ring, carries out lasting moisturizing to chilling ring, and when liquid level lower bound in water tank is reported to the police, on water tank to the chilled water pipeline of chilling ring, valve is closed automatically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410801422.9A CN104560219A (en) | 2014-12-22 | 2014-12-22 | Quenching ring protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410801422.9A CN104560219A (en) | 2014-12-22 | 2014-12-22 | Quenching ring protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104560219A true CN104560219A (en) | 2015-04-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410801422.9A Pending CN104560219A (en) | 2014-12-22 | 2014-12-22 | Quenching ring protection device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1630802A (en) * | 2002-02-12 | 2005-06-22 | 液体空气乔治洛德方法利用和研究的具有监督和管理委员会的有限公司 | Cooling process and apparatus for cooling a fluid using coolant water |
| CN101735858A (en) * | 2009-12-24 | 2010-06-16 | 西北化工研究院 | Mixed atomizer cooling protection system for entrained-flow reactor |
| CN102425794A (en) * | 2011-12-28 | 2012-04-25 | 中国东方电气集团有限公司 | Burner nozzle cooling water system |
| CN202547437U (en) * | 2012-04-25 | 2012-11-21 | 浙江远景铝业有限公司 | Water storage tank |
| CN204311031U (en) * | 2014-12-22 | 2015-05-06 | 沈阳鼓风机集团洁净煤气化技术有限公司 | A kind of chilling ring protector |
-
2014
- 2014-12-22 CN CN201410801422.9A patent/CN104560219A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1630802A (en) * | 2002-02-12 | 2005-06-22 | 液体空气乔治洛德方法利用和研究的具有监督和管理委员会的有限公司 | Cooling process and apparatus for cooling a fluid using coolant water |
| CN101735858A (en) * | 2009-12-24 | 2010-06-16 | 西北化工研究院 | Mixed atomizer cooling protection system for entrained-flow reactor |
| CN102425794A (en) * | 2011-12-28 | 2012-04-25 | 中国东方电气集团有限公司 | Burner nozzle cooling water system |
| CN202547437U (en) * | 2012-04-25 | 2012-11-21 | 浙江远景铝业有限公司 | Water storage tank |
| CN204311031U (en) * | 2014-12-22 | 2015-05-06 | 沈阳鼓风机集团洁净煤气化技术有限公司 | A kind of chilling ring protector |
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Application publication date: 20150429 |
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| WD01 | Invention patent application deemed withdrawn after publication |