CN206018678U - Synthesis ammonia system desulfurization regeneration discharges gas recycle device - Google Patents
Synthesis ammonia system desulfurization regeneration discharges gas recycle device Download PDFInfo
- Publication number
- CN206018678U CN206018678U CN201621059601.0U CN201621059601U CN206018678U CN 206018678 U CN206018678 U CN 206018678U CN 201621059601 U CN201621059601 U CN 201621059601U CN 206018678 U CN206018678 U CN 206018678U
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- preheater
- gas
- air
- tube side
- shell side
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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
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Abstract
The utility model belongs to a kind of synthesis ammonia system desulfurization regeneration release gas recycle device；Including regeneration tank, gas trap is provided with the top of regeneration tank, outlet at the top of gas trap is passed sequentially through the first air-introduced machine, the shell side of heat exchanger, threeway and is connected with combustion furnace with the tube side of the second preheater, and the exhanst gas outlet of combustion furnace is passed 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 and is 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 is provided with air blast in described atmosphere duct；There is simple structure, reasonable in design, reduction production cost, reduce the wasting of resources, improve the burning efficiency of furnace and boiler smoke qualified discharge can be made.
Description
Technical field
The utility model belongs to synthesis ammonia system desulfurization regeneration release gas recovery technology field, and in particular to a kind of synthesis ammonia
System desulfurization regeneration discharges gas recycle device.
Background technology
In synthesis ammonia system, semiwater gas a workshop section could need to be used by after after purification.After cleaning and desulfurization is carried out
Solution needs to carry out oxidation regeneration using injector absorption air, while half water coal unstripped gas of part residual is released,
The main component of half water coal unstripped gas be carbon monoxide also have a small amount of methane and hydrogen sulfide, at present this partial raw gas usually as
Waste gas is released in surrounding air, is had certain impact on environment, is caused the wasting of resources.
Utility model content
The purpose of this utility model be to overcome of the prior art not enough and provide a kind of simple structure, reasonable in design,
Reduce production cost, reduce the wasting of resources, improve the burning efficiency of furnace and the synthesis ammonia system of boiler smoke qualified discharge can be made
Desulfurization regeneration discharges gas recycle device.
The purpose of this utility model is realized in：Including regeneration tank, gas trap, gas at the top of regeneration tank, is provided with
Outlet at the top of body trap passes sequentially through tube side and the combustion of the first air-introduced machine, the shell side of heat exchanger, threeway and the second preheater
Burn stove to be connected, the exhanst gas outlet of combustion furnace passes sequentially through superheater, waste heat boiler, the shell side of the second preheater, the first preheater
Shell side, the tube side of heat exchanger, the second air-introduced machine be connected with chimney with water dust scrubber；The tube side import of the first preheater with big
Feed channel is connected, and the 3rd end of the tube side outlet threeway of the first preheater is connected, and is provided with air blast in described atmosphere duct.
Preferably, the gas trap be inverted funnel-shaped structure, the bottom heavy caliber of inverted funnel-shaped structure
It is partly collection chamber, 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, at the top of reducing room, be provided with gas trapping equipment, described gas trapping equipment by pipeline with
First air-introduced machine is connected.
Preferably, first check-valve and first flow are sequentially provided between the first described air-introduced machine and the shell side of heat exchanger
Meter.
Preferably, second check-valve and are sequentially provided between the described shell side of the first preheater and the tube side of heat exchanger
Two flowmeters.
The utility model has the advantage that：
1st, the utility model can effectively solve the problem that the problem for remaining the recovery of half water coal unstripped gas in actified solution, and improve de-
The operating mode of sulfur regeneration system, improves regeneration efficiency, and by the use of in release gas, carbon monoxide, methane, hydrogen sulfide are improved as fuel
The efficiency of combustion furnace, so that reach energy-conserving and environment-protective, it is to avoid the purpose of waste.
2nd, structure of the present utility model is simpler, process is simple, and management operation and maintenance cost are low, will not be to existing production
System has any impact, and can effectively reclaim desulfurization regeneration release gas, reduce air pollution, substantially improve the work of desulfurization workshop section
Environment.
3rd, gas trap of the present utility model mainly adopts inverted funnel-shaped structure, lower floor's trapping to utilize original gas
" stack effect " and upper strata machinery air inducing produce local decompression effect, reduce air inducing resistance, reached guiding dead angle part gas
Flow to the purpose of linear movement, reduce wind-force and dam the energy loss of phenomenon, can by the deflection plate arranged on gas trapping equipment
The gas overflowing not trapped is prevented, gas is trapped completely.
4th, the utility model is exchanged heat using chimney high-temperature flue gas and desulfurization regeneration release gas, raises the gas into stokehold
Temperature, improves the calorific value of combustion-supporting gas, improves the burning efficiency of furnace.After being collected by gas trap, in heat exchanger with
Go out the first preheater combustion furnace high-temperature flue gas to be exchanged heat, the desulfurization regeneration release gas and the air for going out the first preheater after heat exchange
Mixed, entering the second preheater carries out secondary heat exchange with the burning kiln gas of middle temperature, and the gaseous mixture for going out the second preheater enters
Enter combustion furnace to be burnt, the flue gas of generation is carried out with superheater, waste heat boiler, the second preheater, the first preheater, heat exchanger
Stage-by-stage heat exchange, can effectively improve heat exchange efficiency, and the flue gas after heat exchange is delivered to water dust scrubber through the second air-introduced machine and carries out environmental protection
Process, most air is entered through chimney afterwards, it is to avoid release gas is directly discharged into air and causes to reduce efficient resource while environmental issue
Waste.
Description of the drawings
Fig. 1 is structural representation of the present utility model.
Structural representations of the Fig. 2 for the utility model gas trap.
Specific embodiment
In order to be more clearly understood to technical characteristic of the present utility model, purpose and effect, now control is illustrated
Specific embodiment of the present utility model, in the various figures identical label represent identical part.For making simplified form, in each figure
To utility model related part only schematically show, and they do not represent which as the practical structures of product.
As shown in Figure 1, 2, the utility model includes that regeneration tank 1, the top of regeneration tank 1 are provided with gas trap 2, and gas is caught
Outlet at the top of storage 2 passes sequentially through tube side and the combustion of the first air-introduced machine 3, the shell side of heat exchanger 4, threeway 5 and the second preheater 7
Burn stove 8 to be connected, 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, first
The shell side of preheater 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
Air blast 15 is provided with pipeline 14.The gas trap 2 be inverted funnel-shaped structure, the bottom of inverted funnel-shaped structure
Portion 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
It is connected with the top of regeneration tank 1, 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,
Described gas trapping equipment 21 is connected with the first air-introduced machine 3 by pipeline.The shell side of described first air-introduced machine 3 and heat exchanger 4 it
Between be sequentially provided with first check-valve 16 and first flowmeter 17.The tube side of the shell side and heat exchanger 4 of the first described preheater 6 it
Between be sequentially provided with second check-valve 22 and second flowmeter 23.
A kind of synthesis ammonia system desulfurization regeneration discharges the recoverying and utilizing method of gas recycle device, comprises the steps：
Step one：Desulfurization regeneration release gas in regeneration tank 1 is by the common work of gas trap 2 and the first air-introduced machine 3
With in the lower shell side for entering heat exchanger 4, desulfurization regeneration discharges gas and in shell side with temperature in 4 tube side of heat exchanger is：160 DEG C of burnings
Kiln gas is exchanged heat, 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：Desulfurization regeneration release gas after heat exchange described in step one by threeway 5 and passes through the first preheater 6
Tube side heat exchange after temperature be：140 DEG C of air is mixed, and mixed gas is entered by the tube side of the second preheater 7
Carry out in entrance combustion furnace 8 after row heat exchange combustion-supporting；Temperature of the mixed gas after the tube side of the second preheater 7
For：290℃；
Step 3：Flue gas after combustion furnace 8 burns is 800～900 DEG C, and flue gas is through superheater 9 and waste heat boiler 10
Temperature afterwards is：360 DEG C, the temperature of 360 DEG C of flue gas after the shell side heat exchange of the second preheater 7 is：200 DEG C, temperature is
Temperature of 200 DEG C of the flue gas after the heat exchange of the shell side of the first preheater 6 be：160℃；
Step 4：Temperature described in step 3 is temperature after 160 DEG C of flue gas is exchanged heat by the tube side of heat exchanger 4
For：120 DEG C, temperature is that 120 DEG C of flue gas enters air by the second air-introduced machine 11, water dust scrubber 12 and chimney 13.
Gas trap of the present utility model mainly adopts inverted funnel-shaped structure, and which mainly includes collection chamber 18, removes
Day with fog 20, reducing room 19, the gas trapping equipment 21 for having deflection plate, the gas that actified solution overflows are removed to collection chamber 18 through demister 20
Stack effect arrival gas trapping equipment 21 is formed through reducing room 19 after removing steam carries out gas seizure.Lower floor's trapping utilizes reducing room
Local decompression's effect that 19 stack effects for being formed and upper strata machinery air inducing are produced, by increasing capacitance it is possible to increase the dynamic pressure energy of gas, minimizing draw
Wind resistance, has reached guiding purpose of the dead angle fraction to linear movement, reduces wind-force and dams the energy loss of phenomenon, reduces
The energy consumption of conveying；The gas overflowing not trapped can be prevented and treated by the deflection plate arranged on gas trapping equipment 21, gas has been carried out
Full trapping.The utility model is exchanged heat with desulfurization regeneration release gas using chimney high-temperature flue gas, raises the gas temperature into stokehold
Degree, improves the calorific value of combustion-supporting gas, improves the burning efficiency of furnace.After being collected by gas trap, in heat exchanger 4 with go out
First preheater, 6 combustion furnace high-temperature flue gas are exchanged heat, the desulfurization regeneration release gas and the air for going out the first preheater 6 after heat exchange
Mixed, entering the second preheater 7 carries out secondary heat exchange with the burning kiln gas of middle temperature, goes out the gaseous mixture of the second preheater 7
Enter combustion furnace 8 to be burnt, the flue gas of generation and superheater 9, waste heat boiler 10, the second preheater 7, the first preheater 6, change
Hot device 4 carries out stage-by-stage heat exchange, can effectively improve heat exchange efficiency, and the flue gas after heat exchange delivers to water film dedusting through the second air-introduced machine 11
Device 12 carries out environmental protection treatment, most enters air through chimney 13 afterwards, it is to avoid release gas is directly discharged into air and causes the same of environmental issue
When reduce efficient resource waste.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " sets
Put ", " installation " etc. should be interpreted broadly, for example, it may be being fixedly connected, be integrally connected, or be detachably connected；
It can also be the connection of two element internals；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, for ability
For the those of ordinary skill in domain, concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.On
The detailed description of text is only for illustrating for feasibility embodiment of the present utility model, and they are simultaneously not used to limit this
The protection domain of utility model, all equivalent implementations, change and transformations that is made without departing from the utility model skill spirit are
Should be included within protection domain of the present utility model.
Claims (4)
1. a kind of synthesis ammonia system desulfurization regeneration discharges gas recycle device, including regeneration tank (1), it is characterised in that：Regeneration
Gas trap (2) is provided with the top of groove (1), and the outlet at the top of gas trap (2) passes sequentially through the first air-introduced machine (3), changes
The shell side of hot device (4), threeway (5) are connected with combustion furnace (8) with the tube side of the second preheater (7), 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
Air blast (15) is provided with road (14).
2. synthesis ammonia system desulfurization regeneration according to claim 1 discharges 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), is provided with gas trapping equipment (21) at the top of reducing room (19), and described catches gas
Device (21) is connected with the first air-introduced machine (3) by pipeline.
3. synthesis ammonia system desulfurization regeneration according to claim 1 discharges 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 first check-valve (16) and first flowmeter (17).
4. synthesis ammonia system desulfurization regeneration according to claim 1 discharges gas recycle device, it is characterised in that：Described
The shell side of the first preheater (6) and the tube side of heat exchanger (4) between be sequentially provided with second check-valve (22) and second flowmeter
(23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621059601.0U CN206018678U (en) | 2016-08-29 | 2016-08-29 | Synthesis ammonia system desulfurization regeneration discharges gas recycle device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621059601.0U CN206018678U (en) | 2016-08-29 | 2016-08-29 | Synthesis ammonia system desulfurization regeneration discharges gas recycle device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206018678U true CN206018678U (en) | 2017-03-15 |
Family
ID=58260806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621059601.0U Withdrawn - After Issue CN206018678U (en) | 2016-08-29 | 2016-08-29 | Synthesis ammonia system desulfurization regeneration discharges gas recycle device |
Country Status (1)
| Country | Link |
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| CN (1) | CN206018678U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106247369A (en) * | 2016-08-29 | 2016-12-21 | 河南心连心化肥有限公司 | Synthesis ammonia system desulfurization regeneration release gas recycle device and recoverying and utilizing method |
-
2016
- 2016-08-29 CN CN201621059601.0U patent/CN206018678U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106247369A (en) * | 2016-08-29 | 2016-12-21 | 河南心连心化肥有限公司 | Synthesis ammonia system desulfurization regeneration release gas recycle device and recoverying and utilizing method |
| CN106247369B (en) * | 2016-08-29 | 2018-12-28 | 河南心连心化肥有限公司 | Synthesis ammonia system desulfurization regeneration discharges gas recycle device and recoverying and utilizing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170315 Effective date of abandoning: 20181228 |
|
| AV01 | Patent right actively abandoned |