CN208373102U - Active coke regeneration system and sintering flue gas desulfurization denitration process system - Google Patents
Active coke regeneration system and sintering flue gas desulfurization denitration process system Download PDFInfo
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- CN208373102U CN208373102U CN201820605783.XU CN201820605783U CN208373102U CN 208373102 U CN208373102 U CN 208373102U CN 201820605783 U CN201820605783 U CN 201820605783U CN 208373102 U CN208373102 U CN 208373102U
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Abstract
The utility model relates to a kind of active coke regeneration system and using the sintering flue gas desulfurization denitration process system of the active coke regeneration system, the regenerative system includes regenerator and heating furnace, has been sequentially arranged regenerator, precool heat exchanger device and cooling heat exchanger in regenerator from top to bottom；Furnace outlet flue gas is sent into regenerator the regeneration for realizing activated coke, and combustion air is respectively adopted in precool heat exchanger device and cooling heat exchanger and surplus gas cools down activated coke, and the combustion air after heat exchange and surplus gas are sent into heating furnace burning.Successively the activated coke after parsing is cooled down by precool heat exchanger device and cooling heat exchanger, it can guarantee the cooling quality of activated coke, reduce the breakage rate of activated coke, the waste heat of activated coke is maximumlly utilized simultaneously, effectively improve the sensible heat of heating furnace combustion air and coal gas, guarantee coal gas stablizes burning, thus is applicable to the utilization of low-heat value gas, makes full use of metallurgy industry residual heat and energy resource.
Description
Technical field
The utility model relates to a kind of active coke regeneration system and using the sintering flue gas desulfurization of the active coke regeneration system
Denitration process system, belongs to technical field of energy saving and environmental protection.
Background technique
Flue Gas Purification Technology Using Activated Coke is the pollutant in the strong adsorption function processing flue gas using activated coke, can be a variety of
Pollutant simultaneous removing.As environmental requirement is more and more tighter, Flue Gas Purification Technology Using Activated Coke is welcome in metallurgy industry day.
Activated coke after handling flue gas, which needs to heat up, parses regeneration, realizes the recycling of activated coke.It is low in metallurgy industry
Calorific value of gas is sufficient, but calorific value is low, nonflammable, and there is presently no low-heat value gas is applied to activated coke to parse regeneration field
Technology.
Utility model content
The utility model embodiment is related to a kind of active coke regeneration system and the sintering cigarette using the active coke regeneration system
Desulfurization denitration process system, can at least solve the segmental defect of the prior art.
The utility model embodiment is related to a kind of active coke regeneration system, including regenerator, further includes heating furnace；
Regenerator, precool heat exchanger device and cooling heat exchanger have been sequentially arranged in the regenerator from top to bottom；
The exhanst gas outlet of the heating furnace is connected to the heat transferring medium entrance of the regenerator；
The heat transferring medium entrance of the precool heat exchanger device be connected with combustion air ingress pipe and heat transferring medium outlet with it is described
The combustion air inlet of heating furnace is connected to；
The heat transferring medium entrance of the cooling heat exchanger is connected with coal gas ingress pipe and heat transferring medium exports and the heating
The fuel gas inlet of furnace is connected to.
As one of embodiment, the heat transferring medium outlet of the regenerator passes through the first flue gas pipeline and the heating
The smoke inlet of furnace is connected to.
As one of embodiment, first flue gas pipeline is equipped with control valve.
As one of embodiment, the regenerator includes the blanking section being located above the regenerator and is located at described
The discharging section of cooling heat exchanger, the blanking section and the discharging section are equipped with inert gas introducing port.
As one of embodiment, which further includes tower external heat exchanger, and the tower external heat exchanger passes through the
The heat transferring medium outlet of two flue gas pipelines and the regenerator；The tower external heat exchanger have inert gas entrance and
Inert gas outlet, the inert gas outlet are connected to at least one of inert gas introducing port.
As one of embodiment, the hot air outlet or sinter of the combustion air ingress pipe and sintering circular-cooler erect cold
The hot air outlet of furnace is connected to.
As one of embodiment, the coal gas ingress pipe and blast furnace gas pipeline or coke-stove gas piping connection.
The utility model embodiment is related to a kind of sintering flue gas desulfurization denitration process system, including activated coke absorption tower, with
And active coke regeneration system as described above, the activated coke discharge gate on the activated coke absorption tower and the feed inlet of the regenerator
Connection.
The utility model embodiment at least has the following beneficial effects:
Active coke regeneration system provided by the utility model, by precool heat exchanger device and cooling heat exchanger successively to parsing after
Activated coke cooled down, it is ensured that the cooling quality of activated coke reduces the breakage rate of activated coke, at the same maximumlly using live
Property burnt waste heat, effectively improve the sensible heat of heating furnace combustion air and coal gas, guarantee the burning of stablizing of coal gas, thus applicable
In the utilization of low-heat value gas, metallurgy industry residual heat and energy resource is made full use of.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the structural schematic diagram of active coke regeneration system provided by the embodiment of the utility model.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
All other embodiment obtained, fall within the protection scope of the utility model.
Such as Fig. 1, the utility model embodiment provides a kind of active coke regeneration system, including regenerator 1 and heating furnace 2；Institute
It states and has been sequentially arranged regenerator 102, precool heat exchanger device 103 and cooling heat exchanger 104 in regenerator 1 from top to bottom；It is described
The exhanst gas outlet of heating furnace 2 is connected to the heat transferring medium entrance of the regenerator 102；The precool heat exchanger device 103 changes
Thermal medium entrance is connected with combustion air ingress pipe 6 and heat transferring medium outlet is connected to the combustion air inlet of the heating furnace 2；
The heat transferring medium entrance of the cooling heat exchanger 104 is connected with coal gas ingress pipe 5 and heat transferring medium exports and the heating furnace 2
Fuel gas inlet connection.Generally, it is equipped with feed inlet at the top of the regenerator 1, is correspondingly formed between feed inlet and regenerator 102
Blanking section 101,102 region of regenerator are then correspondingly formed as regenerator section, and 103 region of precool heat exchanger device corresponds to shape
As precooling zone, 104 region of cooling heat exchanger is correspondingly formed as cooling section, and 1 bottom of regenerator is equipped with discharge port, discharge port
It is correspondingly formed between cooling heat exchanger 104 as discharging section 105.The activated coke of adsorption saturation enters regenerator 1 via feed inlet
It is interior, successively changed respectively with corresponding heat transferring medium by regenerator 102, precool heat exchanger device 103 and cooling heat exchanger 104
Heat, wherein what is be passed through in regenerator 102 is the flue gas being discharged by heating furnace 2, and activated coke may make to be warming up to certain temperature
Degree parses the gas wherein adsorbed, realizes the regeneration of activated coke；Combustion air enters in precool heat exchanger device 103, can be to parsing after
Activated coke be pre-chilled, while the part combustion air is heated, the combustion efficiency of combustion gas in heating furnace 2 can be improved,
For the combustion gas using low-heat value gas, stablize burning conducive to low-heat value gas；Activated coke is continued traveling downwardly to cooling section,
What is circulated in cooling heat exchanger 104 is the coal gas imported, can be cooled down to the activated coke after pre-cooling, and the coal gas after heating is sent
Enter in heating furnace 2 and burn as fuel, generates heat to heat flue gas.
Active coke regeneration system provided in this embodiment, by precool heat exchanger device 103 and cooling heat exchanger 104 successively to solution
Activated coke after analysis is cooled down, it is ensured that the cooling quality of activated coke reduces the breakage rate of activated coke, while maximizing land productivity
With the waste heat of activated coke, the sensible heat of heating furnace 2 combustion air and coal gas is effectively improved, guarantees the burning of stablizing of coal gas, thus
It is applicable to the utilization of low-heat value gas, makes full use of metallurgy industry residual heat and energy resource.In other words, above-mentioned coal gas imports
What pipe 5 preferably imported is low-heat value gas, such as blast furnace gas, coke-stove gas (i.e. coal gas ingress pipe 5 and blast furnace gas pipeline
Or coke-stove gas piping connection).
It is further preferred that the heat transferring medium outlet of regenerator 102 passes through the first flue gas pipeline 4 and heating furnace 2
Smoke inlet connection；The exiting flue gas of regenerator 102, which enters, carries out flue gas recirculation in heating furnace 2, can be to fume afterheat
It is utilized, and can reduce 2 ignition temperature of heating furnace, reduce by 2 flue gas exit temperature of heating furnace, reduce the temperature with activated coke
It is poor to spend, and reduces the heat exchange loss of regenerator 102.It is further preferred that the first flue gas pipeline 4 is equipped with control valve such as Fig. 1,
The adjustable exhaust gas volumn being back in heating furnace 2, with suitably Allocating Circle exhaust gas volumn, guarantee system is steadily run.
It is further preferred that the above-mentioned blanking section 101 for being located at 102 top of regenerator and being located at cooling heat exchanger
104 discharging section 105 is equipped with inert gas introducing port, by inert gas to sealing gland is carried out at the top and bottom of regenerator 1, protects
Card system operational safety.Such as Fig. 1, it is preferable that the active coke regeneration system further includes tower external heat exchanger 3, the tower external heat exchanger 3
Pass through the heat transferring medium outlet of the second flue gas pipeline and the regenerator 102；The tower external heat exchanger 3 has inertia
Gas access and inert gas outlet, the inert gas outlet are connected to at least one of inert gas introducing port.It should
The exiting flue gas of regenerator 102 some enter tower external heat exchanger 3 in inert gas is heated, can be fully
Utilize high-temperature flue gas waste heat；Inert gas after heating is preferably to be sent into blanking section 101 to carry out 1 top sealing gland of regenerator,
Activated coke can also be preheated.Inert gas used is generally N2。
In a further embodiment, cold heat exchanger again can be laid below above-mentioned cooling heat exchanger 104, changed outside above-mentioned tower
The exhanst gas outlet of hot device 3 is connected to by third flue gas pipeline with the smoke inlet of the cold heat exchanger again, and guarantee is to the cold of activated coke
But effect.
Above-mentioned active coke regeneration system, such as Fig. 1 are advanced optimized, what above-mentioned combustion air ingress pipe 6 was preferably sent into is
The hot-air (hot-air generally generated after exchanging heat in cooling process) that other techniques of metallurgy industry generate, as preferred
Embodiment, above-mentioned combustion air ingress pipe 6 erect the hot air outlet of black furnace with the hot air outlet or sinter of sintering circular-cooler
Connection, these hot air temperatures fully utilize metallurgy industry residual heat and energy, can be improved coal gas generally at 150~300 DEG C
Combustion efficiency can reduce by 2 energy consumption of heating furnace.
As feasible embodiment, for the above-mentioned knot using blast furnace gas/coke-stove gas as 2 fuel of heating furnace
Structure after being handled in advance using activated coke blast furnace gas/coke oven gas purification, then is sequentially sent to heat exchange in regenerator 1 and sent
Enter burning in heating furnace 2, to can guarantee the combustion efficiency of the part low-heat value gas, makes it easier for being applied to activated coke again
In raw technical field.The regeneration activity that the amount of activated coke can be discharged using regenerator 1 nearby is burnt, and the activated coke of adsorption saturation
It may return to regeneration in regenerator 1 again, be readily produced operation.
The utility model embodiment further relate to a kind of sintering flue gas desulfurization denitration process system, including activated coke absorption tower with
And active coke regeneration system as described above, the charging of the activated coke discharge gate on the activated coke absorption tower and the regenerator 1
Mouth connection.It is state of the art using activated coke adsorption treatment sintering flue gas, does not repeat herein；Activated coke absorption tower with
Can be used between regenerator 1 feed devices such as elevator realize activated coke transfer, this is also this field routine techniques, herein from
Slightly.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (8)
1. a kind of active coke regeneration system, including regenerator, it is characterised in that: further include heating furnace；
Regenerator, precool heat exchanger device and cooling heat exchanger have been sequentially arranged in the regenerator from top to bottom；
The exhanst gas outlet of the heating furnace is connected to the heat transferring medium entrance of the regenerator；
The heat transferring medium entrance of the precool heat exchanger device is connected with combustion air ingress pipe and heat transferring medium exports and the heating
The combustion air inlet of furnace is connected to；
The heat transferring medium entrance of the cooling heat exchanger is connected with coal gas ingress pipe and heat transferring medium exports and the heating furnace
Fuel gas inlet connection.
2. active coke regeneration system as described in claim 1, it is characterised in that: the heat transferring medium of the regenerator exports
It is connected to by the first flue gas pipeline with the smoke inlet of the heating furnace.
3. active coke regeneration system as claimed in claim 2, it is characterised in that: first flue gas pipeline is equipped with control
Valve.
4. active coke regeneration system as described in claim 1, it is characterised in that: the regenerator includes being located at the regeneration to change
Blanking section above hot device and the discharging section positioned at the cooling heat exchanger, the blanking section and the discharging section are equipped with inertia
Gas introduction port.
5. active coke regeneration system as claimed in claim 4, it is characterised in that: further include tower external heat exchanger, changed outside the tower
Hot device passes through the heat transferring medium outlet of the second flue gas pipeline and the regenerator；The tower external heat exchanger has inertia
Gas access and inert gas outlet, the inert gas outlet are connected to at least one of inert gas introducing port.
6. active coke regeneration system as described in claim 1, it is characterised in that: the combustion air ingress pipe and sintered ring are cold
The hot air outlet or sinter of machine erect the hot air outlet connection of black furnace.
7. active coke regeneration system as described in claim 1, it is characterised in that: the coal gas ingress pipe and blast furnace gas pipeline
Or coke-stove gas piping connection.
8. a kind of sintering flue gas desulfurization denitration process system, including activated coke absorption tower, it is characterised in that: further include that right such as is wanted
Active coke regeneration system described in asking any one of 1 to 7, the activated coke discharge gate and the regenerator on the activated coke absorption tower
Feed inlet connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820605783.XU CN208373102U (en) | 2018-04-25 | 2018-04-25 | Active coke regeneration system and sintering flue gas desulfurization denitration process system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820605783.XU CN208373102U (en) | 2018-04-25 | 2018-04-25 | Active coke regeneration system and sintering flue gas desulfurization denitration process system |
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| CN208373102U true CN208373102U (en) | 2019-01-15 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108404865A (en) * | 2018-04-25 | 2018-08-17 | 武汉都市环保工程技术股份有限公司 | active coke regeneration system and method |
| CN110560019A (en) * | 2019-09-24 | 2019-12-13 | 常州碧之源再生资源利用有限公司 | efficient, energy-saving and environment-friendly waste activated carbon regeneration method |
| CN111495346A (en) * | 2020-05-29 | 2020-08-07 | 邯郸钢铁集团有限责任公司 | Comprehensive utilization device for active coke regeneration waste heat |
-
2018
- 2018-04-25 CN CN201820605783.XU patent/CN208373102U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108404865A (en) * | 2018-04-25 | 2018-08-17 | 武汉都市环保工程技术股份有限公司 | active coke regeneration system and method |
| CN108404865B (en) * | 2018-04-25 | 2024-06-07 | 中冶南方都市环保工程技术股份有限公司 | Active coke regeneration system and method |
| CN110560019A (en) * | 2019-09-24 | 2019-12-13 | 常州碧之源再生资源利用有限公司 | efficient, energy-saving and environment-friendly waste activated carbon regeneration method |
| CN111495346A (en) * | 2020-05-29 | 2020-08-07 | 邯郸钢铁集团有限责任公司 | Comprehensive utilization device for active coke regeneration waste heat |
| CN111495346B (en) * | 2020-05-29 | 2024-01-12 | 邯郸钢铁集团有限责任公司 | Comprehensive utilization device for regenerated waste heat of active coke |
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Address after: 430205 No. 59 Liufang Avenue, Donghu High-tech Development Zone, Wuhan City, Hubei Province Patentee after: Zhongye Southern Urban Environmental Protection Engineering Technology Co., Ltd. Address before: 430205 No. 59 Liufang Road, CCEPC Industrial Park, Donghu High-tech Zone, Wuhan City, Hubei Province Patentee before: Wuhan Urban Environment Protection Engineering Techn Co., Ltd. |