CN106247369A - Synthesis ammonia system desulfurization regeneration release gas recycle device and recoverying and utilizing method - Google Patents
Synthesis ammonia system desulfurization regeneration release gas recycle device and recoverying and utilizing method Download PDFInfo
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- CN106247369A CN106247369A CN201610819951.0A CN201610819951A CN106247369A CN 106247369 A CN106247369 A CN 106247369A CN 201610819951 A CN201610819951 A CN 201610819951A CN 106247369 A CN106247369 A CN 106247369A
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/04—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material using washing fluids
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/02—Preparation, purification or separation of ammonia
- C01C1/04—Preparation of ammonia by synthesis in the gas phase
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L15/00—Heating of air supplied for combustion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L7/00—Supplying non-combustible liquids or gases, other than air, to the fire, e.g. oxygen, steam
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2217/00—Intercepting solids
- F23J2217/50—Intercepting solids by cleaning fluids (washers or scrubbers)
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Abstract
The invention belongs to a kind of synthesis ammonia system desulfurization regeneration release gas recycle device and recoverying and utilizing method；Including regeneration tank, the top of regeneration tank is provided with gas trap, the outlet at gas trap top passes sequentially through the first air-introduced machine, the shell side of heat exchanger, threeway are connected with combustion furnace with the tube side of the second preheater, and the exhanst gas outlet of combustion furnace passes sequentially through superheater, waste heat boiler, the shell side of the second preheater, the shell side of the first preheater, the tube side of heat exchanger, the second air-introduced machine are connected with chimney with water dust scrubber；The tube side import of the first preheater is connected with atmosphere duct, and the 3rd end of the tube side outlet threeway of the first preheater is connected, and described atmosphere duct is provided with aerator；Have simple in construction, reasonable in design, reduce production cost, reduce the wasting of resources, improve combustion furnace efficiency and advantage that boiler smoke qualified discharge can be made.
Description
Technical field
The invention belongs to synthesis ammonia system desulfurization regeneration release gas recovery technology field, be specifically related to a kind of synthesis ammonia system
Desulfurization regeneration release gas recycle device and recoverying and utilizing method.
Background technology
In synthesis ammonia system semiwater gas need to through purification after could by after a workshop section use.After carrying out cleaning and desulfurization
Solution needs to utilize ejector absorption air to carry out oxidation regeneration, and half water coal unstripped gas of part residual is released simultaneously,
The main component of half water coal unstripped gas is that carbon monoxide also has a small amount of methane and hydrogen sulfide, at present this partial raw gas usually used as
Waste gas is released in surrounding air, has certain impact on environment, causes the wasting of resources.
Summary of the invention
It is an object of the invention to overcome deficiency of the prior art to provide a kind of simple in construction, reasonable in design, reduction
Production cost, reduce the wasting of resources, improve combustion furnace efficiency and the synthesis ammonia system desulfurization of boiler smoke qualified discharge can be made
Regeneration release gas recycle device and recoverying and utilizing method.
The object of the present invention is achieved like this: includes regeneration tank, and the top of regeneration tank is provided with gas trap, and gas is caught
The outlet at storage top passes sequentially through the first air-introduced machine, the shell side of heat exchanger, threeway and the tube side of the second preheater and combustion furnace
Being connected, the exhanst gas outlet of combustion furnace passes sequentially through superheater, waste heat boiler, the shell side of the second preheater, the shell of the first preheater
Journey, the tube side of heat exchanger, the second air-introduced machine are connected with chimney with water dust scrubber；The tube side import of the first preheater and air pipe
Road is connected, and the 3rd end of the tube side outlet threeway of the first preheater is connected, and described atmosphere duct is provided with aerator.
Preferably, described gas trap is inverted funnel-shaped structure, the bottom heavy caliber of inverted funnel-shaped structure
Part is collection chamber, and the top of inverted funnel-shaped structure is small-bore for reducing room, the bottom of collection chamber and the top of regeneration tank
Be connected, the bottom of reducing room is provided with demister, and the top of reducing room is provided with gas trapping equipment, described gas trapping equipment by pipeline with
First air-introduced machine is connected.
Preferably, it is sequentially provided with the first check-valves and first flow between described the first air-introduced machine and the shell side of heat exchanger
Meter.
Preferably, the second check-valves and it is sequentially provided with between shell side and the tube side of heat exchanger of the first described preheater
Two effusion meters.
The recoverying and utilizing method of a kind of synthesis ammonia system desulfurization regeneration release gas recycle device, comprises the steps:
Step one: the desulfurization regeneration release gas in regeneration tank is by under gas trap and the common effect of the first air-introduced machine
Entering in the shell side of heat exchanger, desulfurization regeneration release gas with temperature in heat exchanger tube pass is in shell side: 160 DEG C of combustion furnace flue gases
Carrying out heat exchange, the desulfurization regeneration release gas after heat exchange is warming up to 100 DEG C；The composition of desulfurization regeneration release gas is carbon monoxide, first
Alkane and hydrogen sulfide；
Step 2: the desulfurization regeneration release gas after the heat exchange described in step one is by threeway and by the first preheater
Temperature after tube side heat exchange is: the air of 140 DEG C mixes, and mixed gas is changed by the tube side of the second preheater
Carry out combustion-supporting in entering combustion furnace after heat；Described mixed gas by the temperature after the tube side of the second preheater is: 290
℃；
Step 3: the flue gas after burning in combustion furnace is 800～900 DEG C, and flue gas is after superheater and waste heat boiler
Temperature is: 360 DEG C, and the flue gas of 360 DEG C by the temperature after the shell side heat exchange of the second preheater is: 200 DEG C, and temperature is 200 DEG C
Flue gas by the temperature after the shell side heat exchange of the first preheater be: 160 DEG C；
Step 4: the temperature described in step 3 is that the flue gas of 160 DEG C carries out temperature after heat exchange by the tube side of heat exchanger
For: 120 DEG C, temperature is that the flue gas of 120 DEG C enters air by the second air-introduced machine, water dust scrubber and chimney.
Present invention have the advantage that
1, remain the problem that half water coal unstripped gas reclaims during the present invention can effectively solve the problem that actified solution, and improve desulfurization again
The operating mode of raw system, improves regeneration efficiency, utilizes carbon monoxide, methane, hydrogen sulfide in release gas to improve burning as fuel
The efficiency of stove, thus reach energy-conserving and environment-protective, it is to avoid the purpose of waste.
2, the structure of the present invention is relatively simple, and technique is simple, and management operation and maintenance cost are low, will not be to existing production system
Have any impact, can effectively reclaim desulfurization regeneration release gas, reduce air pollution, be substantially improved desulfurization workshop section building ring
Border.
3, the gas trap of the present invention mainly uses inverted funnel-shaped structure, lower floor's trapping to utilize original gas
" stack effect " and upper strata machinery air inducing produce local decompression's effect, reduce air inducing resistance, have reached guiding dead angle fraction
To the purpose of linear movement, reduce wind-force and dam the energy loss of phenomenon, can be prevented by the deflection plate arranged on gas trapping equipment
The gas overflowing only not trapped, traps completely to gas.
4, the present invention utilizes chimney high-temperature flue gas to carry out heat exchange with desulfurization regeneration release gas, raises the gas temperature into stokehold
Degree, improves the calorific value of combustion-supporting gas, improves combustion furnace efficiency.After being collected by gas trap, in heat exchanger with go out
First preheater combustion furnace high-temperature flue gas carries out heat exchange, and the desulfurization regeneration release gas after heat exchange enters with the air going out the first preheater
Row mixing, the combustion furnace flue gas entering the second preheater and middle temperature carries out secondary heat exchange, and the gaseous mixture going out the second preheater enters
Burn in combustion furnace, the flue gas of generation and superheater, waste heat boiler, the second preheater, the first preheater, heat exchanger carry out by
Level heat exchange, it is possible to being effectively improved heat exchange efficiency, the flue gas after heat exchange is delivered to water dust scrubber through the second air-introduced machine and carried out at environmental protection
Reason, after enter air through chimney, it is to avoid release gas is directly discharged into while air causes environmental issue and reduces efficient resource
Waste.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation of gas trap of the present invention.
Detailed description of the invention
In order to be more clearly understood from the technical characteristic of the present invention, purpose and effect, now comparison accompanying drawing illustrates this
Bright detailed description of the invention, the most identical label represents identical parts.For making simplified form, in each figure the most schematically
Indicate and invent relevant part, they do not represent its practical structures as product.
As shown in Figure 1, 2, the present invention includes that regeneration tank 1, the top of regeneration tank 1 are provided with gas trap 2, gas trap
The outlet at 2 tops passes sequentially through the first air-introduced machine 3, the shell side of heat exchanger 4, threeway 5 and the tube side of the second preheater 7 and combustion furnace
8 are connected, and the exhanst gas outlet of combustion furnace 8 passes sequentially through superheater 9, the shell side of waste heat boiler the 10, second preheater 7, the first preheating
The shell side of device 6, the tube side of heat exchanger 4, the second air-introduced machine 11 are connected with chimney 13 with water dust scrubber 12；First preheater 6
Tube side import is connected with atmosphere duct 14, and the 3rd end of the tube side outlet threeway 5 of the first preheater 6 is connected, described air pipe
Aerator 15 it is provided with on road 14.Described gas trap 2 is inverted funnel-shaped structure, the bottom of inverted funnel-shaped structure
Heavy caliber part is collection chamber 18, and the top of inverted funnel-shaped structure is small-bore for reducing room 19, the bottom of collection chamber 18 with
The top of regeneration tank 1 is connected, and the bottom of reducing room 19 is provided with demister 20, and the top of reducing room 19 is provided with gas trapping equipment 21, institute
The gas trapping equipment 21 stated is connected by pipeline and the first air-introduced machine 3.Between described the first air-introduced machine 3 and the shell side of heat exchanger 4
It is sequentially provided with the first check-valves 16 and first-class gauge 17.Between shell side and the tube side of heat exchanger 4 of the first described preheater 6
It is sequentially provided with the second check-valves 22 and second gauge 23.
The recoverying and utilizing method of a kind of synthesis ammonia system desulfurization regeneration release gas recycle device, comprises the steps:
Step one: the desulfurization regeneration release gas in regeneration tank 1 is by gas trap 2 and the common work of the first air-introduced machine 3
In shell side with lower entrance heat exchanger 4, desulfurization regeneration release gas with temperature in heat exchanger 4 tube side is in shell side: 160 DEG C of burnings
Kiln gas carries out heat exchange, and the desulfurization regeneration release gas after heat exchange is warming up to 100 DEG C；The composition of desulfurization regeneration release gas is an oxidation
Carbon, methane and hydrogen sulfide；
Step 2: the desulfurization regeneration release gas after the heat exchange described in step one is by threeway 5 and by the first preheater 6
Tube side heat exchange after temperature be: the air of 140 DEG C mixes, and mixed gas is entered by the tube side of the second preheater 7
Carry out combustion-supporting in entering combustion furnace 8 after row heat exchange；Described mixed gas is by the temperature after the tube side of the second preheater 7
For: 290 DEG C；
Step 3: the flue gas after burning in combustion furnace 8 is 800～900 DEG C, and flue gas is through superheater 9 and waste heat boiler 10
After temperature be: 360 DEG C, the flue gas of 360 DEG C by the temperature after the shell side heat exchange of the second preheater 7 is: 200 DEG C, and temperature is
The flue gas of 200 DEG C by the temperature after the shell side heat exchange of the first preheater 6 is: 160 DEG C；
Step 4: the temperature described in step 3 is that the flue gas of 160 DEG C carries out temperature after heat exchange by the tube side of heat exchanger 4
For: 120 DEG C, temperature is that the flue gas of 120 DEG C enters air by the second air-introduced machine 11, water dust scrubber 12 and chimney 13.
For the more detailed explanation present invention, in conjunction with embodiment, the present invention is further elaborated.Specific embodiment
As follows:
Embodiment one
The recoverying and utilizing method of a kind of synthesis ammonia system desulfurization regeneration release gas recycle device, comprises the steps:
Step one: the desulfurization regeneration release gas in regeneration tank 1 is by gas trap 2 and the common work of the first air-introduced machine 3
In shell side with lower entrance heat exchanger 4, desulfurization regeneration release gas with temperature in heat exchanger 4 tube side is in shell side: 160 DEG C of burnings
Kiln gas carries out heat exchange, and the desulfurization regeneration release gas after heat exchange is warming up to 100 DEG C；The composition of desulfurization regeneration release gas is an oxidation
Carbon, methane and hydrogen sulfide；
Step 2: the desulfurization regeneration release gas after the heat exchange described in step one is by threeway 5 and by the first preheater 6
Tube side heat exchange after temperature be: the air of 140 DEG C mixes, and mixed gas is entered by the tube side of the second preheater 7
Carry out combustion-supporting in entering combustion furnace 8 after row heat exchange；Described mixed gas is by the temperature after the tube side of the second preheater 7
For: 290 DEG C；
Step 3: the flue gas after burning in combustion furnace 8 is 800 DEG C, flue gas temperature after superheater 9 and waste heat boiler 10
Degree is: 360 DEG C, and the flue gas of 360 DEG C by the temperature after the shell side heat exchange of the second preheater 7 is: 200 DEG C, and temperature is 200 DEG C
Flue gas by the temperature after the shell side heat exchange of the first preheater 6 is: 160 DEG C；
Step 4: the temperature described in step 3 is that the flue gas of 160 DEG C carries out temperature after heat exchange by the tube side of heat exchanger 4
For: 120 DEG C, temperature is that the flue gas of 120 DEG C enters air by the second air-introduced machine 11, water dust scrubber 12 and chimney 13.
Embodiment two
The recoverying and utilizing method of a kind of synthesis ammonia system desulfurization regeneration release gas recycle device, comprises the steps:
Step one: the desulfurization regeneration release gas in regeneration tank 1 is by gas trap 2 and the common work of the first air-introduced machine 3
In shell side with lower entrance heat exchanger 4, desulfurization regeneration release gas with temperature in heat exchanger 4 tube side is in shell side: 160 DEG C of burnings
Kiln gas carries out heat exchange, and the desulfurization regeneration release gas after heat exchange is warming up to 100 DEG C；The composition of desulfurization regeneration release gas is an oxidation
Carbon, methane and hydrogen sulfide；
Step 2: the desulfurization regeneration release gas after the heat exchange described in step one is by threeway 5 and by the first preheater 6
Tube side heat exchange after temperature be: the air of 140 DEG C mixes, and mixed gas is entered by the tube side of the second preheater 7
Carry out combustion-supporting in entering combustion furnace 8 after row heat exchange；Described mixed gas is by the temperature after the tube side of the second preheater 7
For: 290 DEG C；
Step 3: the flue gas after burning in combustion furnace 8 is 850 DEG C, flue gas temperature after superheater 9 and waste heat boiler 10
Degree is: 360 DEG C, and the flue gas of 360 DEG C by the temperature after the shell side heat exchange of the second preheater 7 is: 200 DEG C, and temperature is 200 DEG C
Flue gas by the temperature after the shell side heat exchange of the first preheater 6 is: 160 DEG C；
Step 4: the temperature described in step 3 is that the flue gas of 160 DEG C carries out temperature after heat exchange by the tube side of heat exchanger 4
For: 120 DEG C, temperature is that the flue gas of 120 DEG C enters air by the second air-introduced machine 11, water dust scrubber 12 and chimney 13.
Embodiment three
The recoverying and utilizing method of a kind of synthesis ammonia system desulfurization regeneration release gas recycle device, comprises the steps:
Step one: the desulfurization regeneration release gas in regeneration tank 1 is by gas trap 2 and the common work of the first air-introduced machine 3
In shell side with lower entrance heat exchanger 4, desulfurization regeneration release gas with temperature in heat exchanger 4 tube side is in shell side: 160 DEG C of burnings
Kiln gas carries out heat exchange, and the desulfurization regeneration release gas after heat exchange is warming up to 100 DEG C；The composition of desulfurization regeneration release gas is an oxidation
Carbon, methane and hydrogen sulfide；
Step 2: the desulfurization regeneration release gas after the heat exchange described in step one is by threeway 5 and by the first preheater 6
Tube side heat exchange after temperature be: the air of 140 DEG C mixes, and mixed gas is entered by the tube side of the second preheater 7
Carry out combustion-supporting in entering combustion furnace 8 after row heat exchange；Described mixed gas is by the temperature after the tube side of the second preheater 7
For: 290 DEG C；
Step 3: the flue gas after burning in combustion furnace 8 is 900 DEG C, flue gas temperature after superheater 9 and waste heat boiler 10
Degree is: 360 DEG C, and the flue gas of 360 DEG C by the temperature after the shell side heat exchange of the second preheater 7 is: 200 DEG C, and temperature is 200 DEG C
Flue gas by the temperature after the shell side heat exchange of the first preheater 6 is: 160 DEG C；
Step 4: the temperature described in step 3 is that the flue gas of 160 DEG C carries out temperature after heat exchange by the tube side of heat exchanger 4
For: 120 DEG C, temperature is that the flue gas of 120 DEG C enters air by the second air-introduced machine 11, water dust scrubber 12 and chimney 13.
The gas trap of the present invention mainly uses inverted funnel-shaped structure, and it mainly includes collection chamber 18, demister
20, reducing room 19, have the gas trapping equipment 21 of deflection plate, the gas that actified solution overflows removes water to collection chamber 18 through demister 20
Form stack effect arrival gas trapping equipment 21 after vapour through reducing room 19 and carry out gas seizure.Lower floor's trapping utilizes reducing room 19 shape
Local decompression's effect that the stack effect become and upper strata machinery air inducing produce, by increasing capacitance it is possible to increase the dynamic pressure energy of gas, reduces air inducing resistance
Power, has reached to guide dead angle fraction to the purpose of linear movement, has reduced wind-force and dam the energy loss of phenomenon, reduce conveying
Energy consumption；Can prevent and treat, by the deflection plate arranged on gas trapping equipment 21, the gas overflowing not trapped, gas is caught completely
Collection.The present invention utilizes chimney high-temperature flue gas to carry out heat exchange with desulfurization regeneration release gas, raises the gas temperature into stokehold, improves
The calorific value of combustion-supporting gas, improves combustion furnace efficiency.After being collected by gas trap, in heat exchanger 4 with go out the first preheating
Device 6 combustion furnace high-temperature flue gas carries out heat exchange, and the desulfurization regeneration release gas after heat exchange mixes with the air going out the first preheater 6
Closing, the combustion furnace flue gas entering the second preheater 7 and middle temperature carries out secondary heat exchange, and the gaseous mixture going out the second preheater 7 enters combustion
Burn stove 8 to burn, the flue gas of generation and superheater 9, waste heat boiler the 10, second preheater the 7, first preheater 6, heat exchanger 4
Carrying out stage-by-stage heat exchange, it is possible to be effectively improved heat exchange efficiency, the flue gas after heat exchange delivers to water dust scrubber 12 through the second air-introduced machine 11
Carry out environmental protection treatment, after enter air through chimney 13, it is to avoid release gas is directly discharged into while air causes environmental issue and subtracts
The waste of few efficient resource.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " arranges ", " pacifies
Dress " etc. should be interpreted broadly, connect for example, it may be fixing, be integrally connected, it is also possible to be to removably connect；Can also
It it is the connection of two element internals；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, general for this area
For logical technical staff, above-mentioned term concrete meaning in the present invention can be understood as the case may be.The most specifically
Illustrating of the feasibility embodiment of the bright present invention of being only for, they are also not used to limit the protection model of the present invention
Enclose, all made without departing from skill of the present invention spirit equivalent implementations, change and transform and should be included in the protection of the present invention
Within the scope of.
Claims (5)
1. a synthesis ammonia system desulfurization regeneration release gas recycle device, including regeneration tank (1), it is characterised in that: regeneration
The top of groove (1) is provided with gas trap (2), and the outlet at gas trap (2) top passes sequentially through the first air-introduced machine (3), changes
The tube side of the shell side of hot device (4), threeway (5) and the second preheater (7) is connected with combustion furnace (8), the exhanst gas outlet of combustion furnace (8)
Pass sequentially through superheater (9), waste heat boiler (10), the shell side of the second preheater (7), the shell side of the first preheater (6), heat exchanger
(4) tube side, the second air-introduced machine (11) are connected with chimney (13) with water dust scrubber (12)；The tube side of the first preheater (6) enters
Mouth is connected with atmosphere duct (14), and the 3rd end of tube side outlet threeway (5) of the first preheater (6) is connected, described air pipe
Aerator (15) it is provided with on road (14).
Synthesis ammonia system desulfurization regeneration the most according to claim 1 release gas recycle device, it is characterised in that: described
Gas trap (2) is inverted funnel-shaped structure, and the bottom heavy caliber part of inverted funnel-shaped structure is collection chamber (18),
The top of inverted funnel-shaped structure is small-bore for reducing room (19), the top phase of the bottom of collection chamber (18) and regeneration tank (1)
Even, the bottom of reducing room (19) is provided with demister (20), and the top of reducing room (19) is provided with gas trapping equipment (21), and described catches gas
Device (21) is connected by pipeline and the first air-introduced machine (3).
Synthesis ammonia system desulfurization regeneration the most according to claim 1 release gas recycle device, it is characterised in that: described
The first air-introduced machine (3) and the shell side of heat exchanger (4) between be sequentially provided with the first check-valves (16) and first-class gauge (17).
Synthesis ammonia system desulfurization regeneration the most according to claim 1 release gas recycle device, it is characterised in that: described
The first preheater (6) shell side and the tube side of heat exchanger (4) between be sequentially provided with the second check-valves (22) and second gauge
(23)。
5. the recycling side of a synthesis ammonia system desulfurization regeneration according to claim 1 release gas recycle device
Method, it is characterised in that: comprise the steps:
Step one: the desulfurization regeneration release gas in regeneration tank (1) is common by gas trap (2) and the first air-introduced machine (3)
Entering in the shell side of heat exchanger (4) under effect, desulfurization regeneration release gas with temperature in heat exchanger (4) tube side is in shell side: 160
DEG C combustion furnace flue gas carries out heat exchange, and the desulfurization regeneration release gas after heat exchange is warming up to 100 DEG C；The composition of desulfurization regeneration release gas is
Carbon monoxide, methane and hydrogen sulfide；
Step 2: the desulfurization regeneration release gas after the heat exchange described in step one is by threeway (5) and by the first preheater (6)
Tube side heat exchange after temperature be: the air of 140 DEG C mixes, and mixed gas is by the tube side of the second preheater (7)
Carry out combustion-supporting in entering combustion furnace (8) after carrying out heat exchange；After described mixed gas is by the tube side of the second preheater (7)
Temperature is: 290 DEG C；
Step 3: the flue gas after combustion furnace (8) burn is 800～900 DEG C, and flue gas is through superheater (9) and waste heat boiler
(10) temperature after is: 360 DEG C, and the flue gas of 360 DEG C by the temperature after the shell side heat exchange of the second preheater (7) is: 200 DEG C,
Temperature is that the flue gas of 200 DEG C is by the temperature after the shell side heat exchange of the first preheater (6): 160 DEG C；
Step 4: the temperature described in step 3 is that the flue gas of 160 DEG C carries out temperature after heat exchange by the tube side of heat exchanger (4)
For: 120 DEG C, temperature is that the flue gas of 120 DEG C is entered greatly by the second air-introduced machine (11), water dust scrubber (12) and chimney (13)
Gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610819951.0A CN106247369B (en) | 2016-08-29 | 2016-08-29 | Synthesis ammonia system desulfurization regeneration discharges gas recycle device and recoverying and utilizing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610819951.0A CN106247369B (en) | 2016-08-29 | 2016-08-29 | Synthesis ammonia system desulfurization regeneration discharges gas recycle device and recoverying and utilizing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106247369A true CN106247369A (en) | 2016-12-21 |
| CN106247369B CN106247369B (en) | 2018-12-28 |
Family
ID=57598963
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| CN201610819951.0A Active CN106247369B (en) | 2016-08-29 | 2016-08-29 | Synthesis ammonia system desulfurization regeneration discharges gas recycle device and recoverying and utilizing method |
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|---|---|
| CN (1) | CN106247369B (en) |
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| CN108844054A (en) * | 2018-07-30 | 2018-11-20 | 河南心连心化肥有限公司 | A kind of synthesis ammonia system heat reclaim unit and heat recovery technique |
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| CN206018678U (en) * | 2016-08-29 | 2017-03-15 | 河南心连心化肥有限公司 | Synthesis ammonia system desulfurization regeneration discharges gas recycle device |
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| US3947551A (en) * | 1974-05-29 | 1976-03-30 | The Benfield Corporation | Ammonia synthesis |
| CN1135458A (en) * | 1996-03-08 | 1996-11-13 | 林美莉 | Method for recovering heat in production of synthesized ammoia |
| CN1456504A (en) * | 2003-05-09 | 2003-11-19 | 湖北宜化化工股份有限公司 | Wast heat recovering and utilizing method for ammonia synthesis |
| CN101050388A (en) * | 2006-04-07 | 2007-10-10 | 山东华鲁恒升化工股份有限公司 | Air gas recovery system of gasometer stove, and new technique of using the system |
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| CN108844054A (en) * | 2018-07-30 | 2018-11-20 | 河南心连心化肥有限公司 | A kind of synthesis ammonia system heat reclaim unit and heat recovery technique |
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| CN106247369B (en) | 2018-12-28 |
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