CN110345459A - A kind of coal slurry gasifier and high-pressure boiler coproduction steam enhancing device and method - Google Patents
A kind of coal slurry gasifier and high-pressure boiler coproduction steam enhancing device and method Download PDFInfo
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- CN110345459A CN110345459A CN201910619631.4A CN201910619631A CN110345459A CN 110345459 A CN110345459 A CN 110345459A CN 201910619631 A CN201910619631 A CN 201910619631A CN 110345459 A CN110345459 A CN 110345459A
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- boiler
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- coal slurry
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Classifications
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- 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
- C10J3/46—Gasification of granular or pulverulent flues in suspension
- C10J3/48—Apparatus; Plants
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- 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
- C10J3/86—Other features combined with waste-heat boilers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/22—Methods of steam generation characterised by form of heating method using combustion under pressure substantially exceeding atmospheric pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B35/00—Control systems for steam boilers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/42—Applications, arrangements, or dispositions of alarm or automatic safety devices
- F22B37/46—Applications, arrangements, or dispositions of alarm or automatic safety devices responsive to low or high water level, e.g. for checking, suppressing, extinguishing combustion in boilers
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
- Fluidized-Bed Combustion And Resonant Combustion (AREA)
Abstract
The invention discloses a kind of coal slurry gasifiers and high-pressure boiler coproduction steam enhancing device and method.The enhancing device includes coal slurry gasifier and high pressure fluidized-bed combustion boiler or high-pressure powdered coal boiler；The saturated vapor outlet line of coal slurry gasifier is connected with the drum steam (vapor) outlet pipeline of high pressure fluidized-bed combustion boiler or high-pressure powdered coal boiler by a steam pipeline；Steam pipeline is equipped with valve, by control valve, realizes to the connection between coal slurry gasifier and high pressure fluidized-bed combustion boiler or high-pressure powdered coal boiler.The present invention utilizes the thermal energy power of having more than needed of boiler itself, steams the comparable saturated vapor of pressure rating suitable for coal slurry gasifier and boiler, can be realized the effect that steam quality is promoted, increased operation rate.Meanwhile the present invention only increases section of tubing system, does not change gasification furnace, boiler original structure, once gasification furnace stops, by adjusting boiler load, can quickly guarantee production system steam supply, realize system safe and stable operation.
Description
Technical field
The present invention relates to a kind of coal slurry gasifiers and high-pressure boiler coproduction steam enhancing device and method.
Background technique
Modern Coal-based Chemical production in, coal slurry gasifier is widely used, have the characteristics that it is wide to adaptability to raw material, by clear
Hua Da Shanxi clean energy resource research institute takes the lead, and the Jin Hualu of Yang Meifeng happiness and positive coalification machine cooperative research and development is in raw water coal slurry gasification
On the basis of furnace, Shanxi China furnace 3.0 is developed, the high-temperature gas post-processing for the outlet of still that gasifies uses radiant type pot destroying process, recycling
The heat of high-temp combustion gradually becomes coal slurry gasifier using pot destroying process and substitutes chilling process, by-product high-pressure saturated steam
Water-coal-slurry energy saving technique representative.
At present the country coal chemical technology continue to develop, each gasification furnace patent side by Research Emphasis turn to exploitation it is energy-efficient,
The gasification furnace technology of heat-recoverable recycles gasification furnace high-grade heat source using useless pot, substitutes chilling process, exploitation safety, height
Effect, blanket saturated vapor superheater improve by-product recovered steam utility value, reduce and put down to main process unit heat
The influence of weighing apparatus, it has also become promote the hot subject of high-efficiency and energy-saving gasifier.
Coal slurry gasifier byproduct steam is saturated vapor, and steam quality is low, big using difficulty, for newly-built or transformation coal
Chemical project, the saturated vapor of gasification furnace by-product efficiently utilize the critical issue for becoming the energy-efficient gasification furnace development of restriction.
Summary of the invention
The object of the present invention is to provide a kind of coal slurry gasifiers and high-pressure boiler coproduction steam enhancing device and method, originally
Invention solve existing gasification furnace recycling heat by-product saturated vapor quality it is low, big using difficulty the problems such as, for energy saving water coal
Slurry gasification furnace Technique Popularizing clears away saturated vapor and recycles obstacle, reduces product cost to greatest extent, reduces production energy consumption, depth
The heat of degree recycling gasification furnace combustion system.
Coal slurry gasifier provided by the present invention and high-pressure boiler coproduction steam enhancing device, including coal slurry gasifier
With high pressure fluidized-bed combustion boiler or high-pressure powdered coal boiler；
The saturated vapor outlet line of the coal slurry gasifier and the high pressure fluidized-bed combustion boiler or high-pressure powdered coal boiler
Drum steam (vapor) outlet pipeline be connected by a steam pipeline；
The steam pipeline is equipped with valve, by controlling the valve, realize to the coal slurry gasifier with
Connection between the high pressure fluidized-bed combustion boiler or the high-pressure powdered coal boiler.
In the coproduction steam enhancing device, the steam pipeline is equipped with valve group A and valve group B；
The valve group A's and valve group B is provided that
Valve a on the steam pipeline；In on the both ends of valve a extraction primary Ioops, the circuit
Equipped with a bypass is drawn between valve b and valve c, Yu Suoshu valve b and the valve c, the bypass is equipped with valve d.
Apparatus of the present invention, using installations and facilities such as the original regulating valve of the coal slurry gasifier, safety valves, control and
It adjusts quantity of steam, guarantee system safety；In the coal slurry gasifier scram time, cut off regulating valve isolation gasification furnace with
Electrical system, coal-burning boiler system can still operate normally, and be consistent before rest part and transformation.
In the coproduction steam enhancing device, the inlet of the valve group B is equipped with flow sensor；
The high pressure fluidized-bed combustion boiler or the high-pressure powdered coal boiler are equipped with three blunt quantity control system；
Three impulses refer to liquid level of steam drum, feedwater flow, steam production；
I.e. the present invention is steamed flow (flow sensor) by newly-increased, with the high pressure fluidized-bed combustion boiler or the high-pressure powder
Coal burning boiler steams total amount flowmeter difference as boiler original three blunt quantity control value.
Further, coal slurry gasifier provided by the invention and high-pressure boiler coproduction steam synergisting method, including it is as follows
Step:
The saturated vapor that coal slurry gasifier produces is accessed into high pressure fluidized-bed combustion boiler or high-pressure powdered coal pot by pipeline
On the drum steam (vapor) outlet pipeline of furnace, that is, realize the synergy to coal slurry gasifier and high-pressure boiler coproduction steam.
Specifically, synergy is realized using the coal slurry gasifier and high-pressure boiler coproduction steam enhancing device.
It is different from the saturated vapor Land use systems of current coal slurry gasifier production, the present invention has the advantage that
First is that being not required to saturated vapor introducing original process system overheat, process system transformation is reduced, former heat is avoided damage to
Balance；Second is that being not required to separately build superheater, reduces and consume the additional energy.The invention utilizes the thermal energy of having more than needed of boiler itself
Power steams the comparable saturated vapor of pressure rating suitable for coal slurry gasifier and boiler, can be realized steam quality and promoted, mentioned
The effect of high usage.Meanwhile the present invention only increases section of tubing system, does not change gasification furnace, boiler original structure, once gas
Change furnace parking, by adjusting boiler load, can quickly guarantee production system steam supply, realize system safe and stable operation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of coal slurry gasifier of the present invention and high-pressure boiler linkage enhancing device；
Fig. 2 is the blind controller system schematic diagram of coal slurry gasifier of the present invention and high-pressure boiler linkage enhancing device.
Specific embodiment
Experimental method used in following embodiments is conventional method unless otherwise specified.
The materials, reagents and the like used in the following examples is commercially available unless otherwise specified.
As shown in Figure 1, for coal slurry gasifier of the present invention and high-pressure boiler linkage enhancing device structural schematic diagram, be by
The saturated vapor outlet line of coal slurry gasifier and the drum steam (vapor) outlet pipeline of high pressure fluidized-bed combustion boiler are defeated by a steam
Pipeline is sent to be connected, specifically by the steam outlet pipe of the useless pot drum of the gasifier water-cooling wall drum and gasification furnace of coal slurry gasifier
Line is connected with the steam (vapor) outlet pipeline of boiler drum.Steam pipeline be equipped with valve group A and valve group B, valve group A and
The valve a4 (8) of valve group B being provided that on steam pipeline；Primary Ioops are drawn in the both ends of valve a4 (8),
The circuit is equipped with valve b1 (5) and valve c2 (6), and a bypass, the bypass are drawn between valve b1 (5) and valve c2 (6)
It is equipped with valve d3 (7), by controlling above-mentioned each valve, realizes to the company between coal slurry gasifier and high pressure fluidized-bed combustion boiler
It is logical.
As shown in Fig. 2, the blind controller system for coal slurry gasifier of the present invention and high-pressure boiler linkage enhancing device shows
It is intended to, in boiler drum original LT01, FT03, FT02 three blunt quantity control system-based, introduces gasification furnace and produce high pressure steam flow
It measures FT01 (i.e. flow sensor), after FT02 and FT01 is made difference, re-establishes three blunt quantity control system with LT01, FT03.
Coal slurry gasifier and high-pressure boiler linkage synergy can be realized in the following manner:
Mode one: before coal slurry gasifier is driven, valve c2, valve d3, valve b5, valve c6 are opened, other valves are in
It is warm to carry out pipe to steam pipeline for closed state.After heating coil, coal slurry gasifier is driven, and closes valve d3, valve
B5, valve c6 open valve b1, valve 9 and 10 and valve 9 and 10 are gradually turned down, to pressure while to feed-line pressurising
With boiler steam pressure it is identical or slightly above boiler steam pressure when, be gradually opened valve a4 and 8, close valve 9 and 10, valve
B1, valve c2 complete steam and are incorporated to realization coproduction.
Mode two: being first turned on valve 9 and 10, and other valves remain off, and after gasification furnace is driven, produces steam from valve
It is vented at door 9 and 10, is gradually opened valve b1, valve c2, valve c6 and valve d7 to steam pipe line heating coil.After heating coil is qualified,
Valve c6 and valve d7 is closed, the boosting of the pipeline of valve 9 and 10 is gradually turned down and reaches boiler and steam after pressure, open valve a4 and 8,
Full closing valve 9 and 10 completes steam and is incorporated to realization coproduction.
Mode three: when gasification furnace breaks down parking, valve a4 and 8 is closed, valve 9 and 10, gasification furnace steam system are opened
System isolation, boiler increase load, guarantee steam-supplying system even running.
Coal slurry gasifier of the present invention and high-pressure boiler linkage enhancing device, solve the saturation of coal slurry gasifier by-product
Low, big using difficulty, the scope of application the is small problem of steam quality solves newly-built or transformation Coal Chemical Engineering Project high-efficiency steam and utilizes
The problem of, improve can by-product saturated vapor type gasification furnace the scope of application.The present invention only needs to increase section of tubing system, does not change
Become gasification furnace, boiler original structure, once gasification furnace stops, by adjusting boiler load, can quickly guarantee production system steam supply,
Realization system safe and stable operation.
Claims (5)
1. a kind of coal slurry gasifier and high-pressure boiler coproduction steam enhancing device, including coal slurry gasifier and high pressure fluidized bed
Boiler or high-pressure powdered coal boiler；
The vapour of the saturated vapor outlet line of the coal slurry gasifier and the high pressure fluidized-bed combustion boiler or high-pressure powdered coal boiler
Packet steam (vapor) outlet pipeline is connected by a steam pipeline；
The steam pipeline is equipped with valve, by controlling the valve, realize to the coal slurry gasifier with it is described
Connection between high pressure fluidized-bed combustion boiler or the high-pressure powdered coal boiler.
2. coproduction steam enhancing device according to claim 1, it is characterised in that: the steam pipeline is equipped with valve
Door group A and valve group B；
The valve group A's and valve group B is provided that
Valve a on the steam pipeline；Primary Ioops are drawn in the both ends of the valve a, the circuit is equipped with
A bypass is drawn between valve b and valve c, Yu Suoshu valve b and the valve c, the bypass is equipped with valve d.
3. coproduction steam enhancing device according to claim 2, it is characterised in that: the inlet of the valve group B is equipped with
Flow sensor；
The high pressure fluidized-bed combustion boiler or the high-pressure powdered coal boiler are equipped with three blunt quantity control system.
4. a kind of coal slurry gasifier and high-pressure boiler coproduction steam synergisting method, include the following steps:
The saturated vapor of coal slurry gasifier production is accessed into high pressure fluidized-bed combustion boiler or high-pressure powdered coal boiler by pipeline
On drum steam (vapor) outlet pipeline, that is, realize the synergy to coal slurry gasifier and high-pressure boiler coproduction steam.
5. coproduction steam synergisting method according to claim 4, it is characterised in that: utilize any one of claim 1-3
The coal slurry gasifier and high-pressure boiler coproduction steam enhancing device realize synergy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910619631.4A CN110345459B (en) | 2019-07-10 | 2019-07-10 | Device and method for synergistic co-production of steam by coal water slurry gasification furnace and high-pressure boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910619631.4A CN110345459B (en) | 2019-07-10 | 2019-07-10 | Device and method for synergistic co-production of steam by coal water slurry gasification furnace and high-pressure boiler |
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| Publication Number | Publication Date |
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| CN110345459A true CN110345459A (en) | 2019-10-18 |
| CN110345459B CN110345459B (en) | 2021-07-09 |
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| CN201910619631.4A Active CN110345459B (en) | 2019-07-10 | 2019-07-10 | Device and method for synergistic co-production of steam by coal water slurry gasification furnace and high-pressure boiler |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117847433A (en) * | 2024-03-07 | 2024-04-09 | 河南心连心化学工业集团股份有限公司 | Protection device of coal water slurry conveying system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117847433A (en) * | 2024-03-07 | 2024-04-09 | 河南心连心化学工业集团股份有限公司 | Protection device of coal water slurry conveying system |
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