CN109967005A - A kind of reacting furnace using coke-stove gas fluidized bed acid regeneration process - Google Patents
A kind of reacting furnace using coke-stove gas fluidized bed acid regeneration process Download PDFInfo
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- CN109967005A CN109967005A CN201910261405.3A CN201910261405A CN109967005A CN 109967005 A CN109967005 A CN 109967005A CN 201910261405 A CN201910261405 A CN 201910261405A CN 109967005 A CN109967005 A CN 109967005A
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- gas
- gas pipeline
- coke
- fluidized bed
- pipeline
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
- B01J8/24—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
- F27D2019/0028—Regulation
- F27D2019/0034—Regulation through control of a heating quantity such as fuel, oxidant or intensity of current
- F27D2019/004—Fuel quantity
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
Abstract
The present invention relates to a kind of reacting furnaces using coke-stove gas fluidized bed acid regeneration process, reaction furnace bottom adds a set of gas stabilized-pressure station, pressure stabilizing station includes the first gas pipeline for being located at reacting furnace bottom end, and horizontally disposed second gas pipeline parallel with bellows, first gas pipeline air outlet is connected with horizontally disposed second gas pipeline, first gas pipeline is equipped with flow control valve and solenoid valve, the gas inlet end of first gas pipeline is equipped with flow control valve, flow control valve lower end is equipped with solenoid valve, solenoid valve and close first gas pipeline and the second combustion gas intersection are equipped with pressure gauge, pressure gage surface is equipped with pressure switch, several gas hoses in parallel on horizontally disposed second gas pipeline.The present invention uses a kind of reacting furnace using coke-stove gas fluidized bed acid regeneration process, reaches with gas standard, greatly reduces operation cost, and maintenance is simple.
Description
Technical field
The invention belongs to fuel areas, and in particular to a kind of reacting furnace using coke-stove gas fluidized bed acid regeneration process,
The method that spent acid high-temperature decomposition reaction is carried out as fluidized bed acid regeneration reacting furnace fuel using coke-stove gas.
Background technique
Waste hydrochloric acid regeneration technology is grown up with being widely used for chlorohydric acid pickling, currently, waste hydrochloric acid regeneration side
Method largely uses the fluidized bed process in pyrolysismethod, produces regenerated acid and brown iron oxide using the method for pyrolytic spent acid.It passes
Use natural gas as the improvement of fuel always on system fluidized bed acid regeneration process, but higher cost during utilization, it deposits
Contradiction between environmental improvement and economic benefit.
Summary of the invention
The present invention in view of the deficiencies of the prior art, overcomes existing fluidized bed acid regeneration process without coke-stove gas as fuel
The case used, provides a kind of reasonable in design, and safe and reliable coke-stove gas is in fluidized bed acid regeneration reacting furnace
On use device.
The present invention is achieved through the following technical solutions:
A kind of reacting furnace using coke-stove gas fluidized bed acid regeneration process is provided, first including being located at reacting furnace bottom end
Gas pipeline, and horizontally disposed second gas pipeline parallel with bellows, the first gas pipeline air outlet and horizontally disposed
The second gas pipeline be connected, at the first vertical tube of the first gas pipeline be equipped with flow control valve, in the first gas pipeline
Position is equipped with solenoid valve between second transverse tube, is equipped with pressure gauge, pressure gage surface at solenoid valve and close gas pipeline air outlet
Equipped with pressure switch, several gas hoses in parallel on horizontally disposed second gas pipeline.
Coal gas enters gas stabilized-pressure station by the first gas pipeline input end, and combustion air is first filled in bellows and is carried out in furnace
Purging, the flow of coal gas is controlled with flow control valve, after control system to be fired satisfies the requirements, after opening igniter, and igniting
After device is lighted, flame detector carries out transmission signal after sensing flame, at this point, solenoid valve will automatically turn on, by combustion gas by firing
Gas hose imports fuel burner nozzle, burns after combustion gas is mixed with combustion air and by igniter fire source.
Further, the other end of gas hose is equipped with burner, and burner vertically accesses inner bellows.
Burner has metastable flammability, and combustion gas enters burner, the combustion gas in burner and the combustion-supporting sky for entering bellows
Gas burns after being mutually mixed, and can make air full combustion.
Further, the intersection being connected at the first gas pipeline air outlet with horizontally disposed second gas pipeline
And pressure gauge is provided at solenoid valve, pressure gauge side is equipped with pressure switch.
When gaseous-pressure is higher than the online 250pa of preset value, Iganition control system satisfies the requirements, and solenoid valve will automatically turn on,
Combustion gas imports fuel burner nozzle by gas hose by pressure gauge, to measure the pressure for flowing through combustion gas, to prevent hypertonia to pipe
The damage in road, and pressure is installed on pressure gauge and was opened, when gas pressure force value overrate, the capable of emitting alarm of pressure switch
Or control signal.Safer and more effective protection pipeline.
Further, the combustion gas inlet pipe mouth of gas hose and outlet spout are equipped with hose flow control valve.
When solenoid valve automatically opens, combustion gas enters the second horizontal positioned gas pipeline, by the second horizontal positioned combustion gas
Combustion gas is sent to each gas hose by pipeline, if during transportation, hose explosion or gas leakage, hose flow control valve
It will turn off, in case gas leakage causes danger.
Preferably, gas hose uses stainless steel corrugated flexible hose, and inside, by hydraulic processes, is done using 304 stainless steel tubes
It is spiral, outside cladding PVC protective layer.Stainless steel corrugated flexible hose has anti-aging, high temperature resistant, mouse bite preventing, anti-dropout, corrosion resistant
It loses, the advantage that the service life is long.Outside cladding PVC protective layer, can be very good to play the role of it is fire-retardant, prevent damaged by rats and scratch.
Further, the second gas pipeline of the first gas pipeline smoke outlet vertical and horizontal setting.
After Iganition control system satisfies the requirements, solenoid valve is automatically opened, and combustion gas just enters horizontally disposed second fuel gas conduit
Road, the first gas pipeline exhanst gas outlet are thought vertical with horizontally disposed second gas pipeline, and combustion gas can utmostly enter water
Second gas pipeline of flat setting, is transmitted to gas hose, more preferably realizes that combustion gas does not waste, efficient transmission process.
Beneficial effects of the present invention:
1. by the high feature of fluidized-bed reaction furnace furnace temperature, reasonable utilization coke-stove gas calorific value feature, by coke-oven coal fate
With the regenerated acid of progress spent acid pyroreaction, production is qualified.
2. relative to natural gas, the utilization of coke-stove gas greatly reduces operation cost.
Detailed description of the invention
Fig. 1 is total schematic diagram of the invention；
Fig. 2 is coke-stove gas pressure stabilizing station detail view of the invention；
Fig. 3 is coke-stove gas hose detail view of the invention；
Fig. 4 is burner detail view of the invention.
It is as shown in the figure:
1. comburent air duct, 2. bellows, 3. reacting furnaces, 4. first gas pipelines, 5. gas hoses, 6. pressure gauges, 7.
Solenoid valve, 8. burners, 9. flow control valves, 10. second gas pipelines, 11. first transverse tubes, 12. first vertical tubes, 13. second is horizontal
Pipe, 14. second vertical tubes.
Specific embodiment
In order to clarify the technical characteristics of the invention, being illustrated below by specific embodiment to this programme.
Embodiment 1
As shown in Figure 1,2,3, 4, a kind of reacting furnace using coke-stove gas fluidized bed acid regeneration process is provided, including is located at
First gas pipeline 4 of reacting furnace bottom end, and horizontally disposed second gas pipeline 10 parallel with bellows 2, the first combustion gas
4 air outlet of pipeline is connected with horizontally disposed second gas pipeline 10, and coal gas enters the first gas pipeline 4, by bellows 2
Combustion air purging, 12 are equipped with flow control valve 9 at the first vertical tube of the first gas pipeline 4, to control the flow of coal gas,
Position is equipped with solenoid valve 7, solenoid valve 7 and close first gas pipeline, 4 air outlet between second transverse tube 13 of the first gas pipeline 4
Place and against solenoid valve 7 be equipped with pressure gauge 6,6 surface of pressure gauge be equipped with pressure switch, in horizontally disposed second gas pipeline 10
Upper several gas hoses 5 of parallel connection.
The intersection being connected at 4 air outlet of the first gas pipeline with horizontally disposed second gas pipeline 10
And pressure gauge 6 is provided at solenoid valve 7, pressure gauge side is equipped with pressure switch.Pressure gauge 6 and pressure switch are in pipeline
It is interior can be with pressure stabilizing, pressure control, if being not provided with pressure gauge 6, after solenoid valve automatically opens, when combustion gas flows through pipeline, if pressure mistake
Greatly, can be to entire pipe explosion, danger coefficient is high.
Embodiment 2
As shown in Figure 1,2,3, 4, provided a kind of reacting furnace using coke-stove gas fluidized bed acid regeneration process, including set
The first gas pipeline 4 in reacting furnace bottom end, and horizontally disposed second gas pipeline 10 parallel with bellows 2, the first combustion
4 air outlet of feed channel is connected with horizontally disposed second gas pipeline 10, and coal gas enters the first gas pipeline 4, by bellows 2
Combustion air purging, at the first vertical tube of the first gas pipeline 4 12 be equipped with flow control valve 9, to control the stream of coal gas
Amount, position is equipped with solenoid valve 7, solenoid valve 7 and close first gas pipeline 4 between the second transverse tube 13 of the first gas pipeline 4
It is equipped with pressure gauge 6 at air outlet and against solenoid valve 7,6 surface of pressure gauge is equipped with pressure switch, in horizontally disposed second combustion gas
Several gas hoses 5 in parallel on pipeline 10.
Coal gas enters gas stabilized-pressure station by the first gas pipeline 4, first fills combustion air in bellows 2 and blow in furnace
It sweeps, flow control valve 9 controls gas flow, and coal gas to be purged reaches certain temperature, after Iganition control system satisfies the requirements, opens
Igniter is opened, after igniter is lighted, flame detector carries out transmission signal after sensing flame, at this point, solenoid valve 7 will be beaten automatically
It opens, by fuel gas transmission to horizontally disposed second gas pipeline 10, then is transmitted to respectively by horizontally disposed second gas pipeline 10
A gas hose 5, then combustion gas imports fuel burner nozzle 8 by gas hose 5, burner 8 be in vertical access bellows 2 make combustion gas with
Combustion air mixing.
By the high feature of fluidized-bed reaction furnace furnace temperature, reasonable utilization coke-stove gas calorific value feature uses coke-stove gas,
Combustion air and coke-stove gas air-fuel ratio be 4.6:4.8, combustion-supporting air quantity control in 8000m 3/h, fluidized bed acid regeneration
Reacting furnace top temperature can be controlled in 850 DEG C or so, carries out spent acid pyroreaction, and coke-stove gas calorific value can guarantee spent acid high temperature point
The temperature for solving reaction has operation cost low relative to natural gas, safeguards simple advantage, and the regenerated acid produced is qualified.
Embodiment of the present invention is only the description carried out to the preferred embodiment of the present invention, not to the present invention
Conception and scope is defined.
Claims (8)
1. a kind of reacting furnace using coke-stove gas fluidized bed acid regeneration process, it is characterised in that: reaction furnace bottom adds a set of
Gas stabilized-pressure station is equipped with bellows between pressure stabilizing station and reacting furnace, pressure stabilizing station includes:
Gas pipeline, including the first gas pipeline and the second gas pipeline, the first gas pipeline air outlet and the second gas pipeline
It is connected, the second gas pipeline is parallel with bellows and is horizontally placed on bellows bottom.
Gas hose is parallel with several gas hoses, gas hose one end and the second gas pipeline phase on the second gas pipeline
It is logical.
The flow control valve and solenoid valve being set on the first gas pipeline, flow control valve are located at the gas inlet end of combustion gas,
Solenoid valve is close to the first gas pipeline and the second gas pipeline junction.
2. a kind of reacting furnace using coke-stove gas fluidized bed acid regeneration process according to claim 1, it is characterised in that: combustion
The other end of gas hose is equipped with burner, and burner is connected into inner bellows.
3. a kind of reacting furnace using coke-stove gas fluidized bed acid regeneration process according to claim 1, it is characterised in that:
The intersection being connected at first gas pipeline air outlet with horizontally disposed second gas pipeline is provided with pressure gauge, pressure gauge
Side is equipped with pressure switch.
4. a kind of reacting furnace using coke-stove gas fluidized bed acid regeneration process according to claim 3, it is characterised in that: pressure
Power table is in the air outlet of the first gas pipeline and against solenoid valve.
5. a kind of reacting furnace using coke-stove gas fluidized bed acid regeneration process according to claim 1, it is characterised in that: combustion
Gas hose upper end and burner junction are equipped with gas exit tube mouth, and gas hose lower end and the second gas pipeline intersection are equipped with combustion gas
Inlet pipe, the combustion gas inlet pipe mouth and outlet spout of gas hose are respectively equipped with hose flow control valve.
6. a kind of reacting furnace using coke-stove gas fluidized bed acid regeneration process according to claim 1, it is characterised in that: the
One gas pipeline successively includes the first transverse tube, the first vertical tube, the second transverse tube, the second vertical tube, is provided with control valve at the first vertical tube,
Solenoid valve is provided at second transverse tube.
7. a kind of reacting furnace using coke-stove gas fluidized bed acid regeneration process according to claim 4, it is characterised in that: combustion
Gas hose uses stainless steel corrugated flexible hose, and spiral, outside cladding, by hydraulic processes, is done using 304 stainless steel tubes in inside
PVC protective layer.
8. a kind of reacting furnace using coke-stove gas fluidized bed acid regeneration process according to claim 1, it is characterised in that: the
One gas pipeline smoke outlet is perpendicular to the second gas pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910261405.3A CN109967005A (en) | 2019-04-02 | 2019-04-02 | A kind of reacting furnace using coke-stove gas fluidized bed acid regeneration process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910261405.3A CN109967005A (en) | 2019-04-02 | 2019-04-02 | A kind of reacting furnace using coke-stove gas fluidized bed acid regeneration process |
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| CN109967005A true CN109967005A (en) | 2019-07-05 |
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| CN201910261405.3A Pending CN109967005A (en) | 2019-04-02 | 2019-04-02 | A kind of reacting furnace using coke-stove gas fluidized bed acid regeneration process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111266063A (en) * | 2020-01-23 | 2020-06-12 | 马克斯环保设备(上海)有限公司 | Heating system for acid regeneration |
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|---|---|---|---|---|
| US20020031469A1 (en) * | 1997-08-06 | 2002-03-14 | Albert Lebl | Process and apparatus for the extraction and regeneration of acids from spent acids |
| EP1334213B1 (en) * | 2000-11-08 | 2006-12-13 | Hatch Ltd. | Process for regeneration of spent acid halide leach solutions |
| WO2009012511A1 (en) * | 2007-07-20 | 2009-01-29 | Key Technologies Industriebau Gmbh | Reactor with a removable tuyère bottom |
| CN203244956U (en) * | 2013-03-15 | 2013-10-23 | 尚鼎炉业科技（扬州）有限公司 | Fluidized bed reactor |
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-
2019
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Patent Citations (8)
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|---|---|---|---|---|
| US20020031469A1 (en) * | 1997-08-06 | 2002-03-14 | Albert Lebl | Process and apparatus for the extraction and regeneration of acids from spent acids |
| EP1334213B1 (en) * | 2000-11-08 | 2006-12-13 | Hatch Ltd. | Process for regeneration of spent acid halide leach solutions |
| WO2009012511A1 (en) * | 2007-07-20 | 2009-01-29 | Key Technologies Industriebau Gmbh | Reactor with a removable tuyère bottom |
| CN203244956U (en) * | 2013-03-15 | 2013-10-23 | 尚鼎炉业科技（扬州）有限公司 | Fluidized bed reactor |
| CN203298300U (en) * | 2013-05-30 | 2013-11-20 | 苏州博涛机电设备有限公司 | Natural gas pipe system of heat treatment furnace |
| CN204063044U (en) * | 2014-08-07 | 2014-12-31 | 西安天立能源环保工程技术有限公司 | A kind of boiler natural gas fired burner with layering control valve |
| CN104562061A (en) * | 2015-01-21 | 2015-04-29 | 中冶南方工程技术有限公司 | Roasting furnace |
| CN206369219U (en) * | 2017-01-05 | 2017-08-01 | 北京华泰焦化工程技术有限公司 | A kind of coke-stove gas burner |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111266063A (en) * | 2020-01-23 | 2020-06-12 | 马克斯环保设备(上海)有限公司 | Heating system for acid regeneration |
| CN111266063B (en) * | 2020-01-23 | 2021-11-02 | 马克斯环保设备(上海)有限公司 | Heating system for acid regeneration |
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Application publication date: 20190705 |