CN208545125U - A kind of sulphur-burning sulphuric acid system - Google Patents
A kind of sulphur-burning sulphuric acid system Download PDFInfo
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- CN208545125U CN208545125U CN201821001432.4U CN201821001432U CN208545125U CN 208545125 U CN208545125 U CN 208545125U CN 201821001432 U CN201821001432 U CN 201821001432U CN 208545125 U CN208545125 U CN 208545125U
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Abstract
A kind of sulphur-burning sulphuric acid system, including air filter, air filter is connect with drying tower, drying tower is connect with sulfur furnace, it further include smart sulphur slot, smart sulphur slot is connect with sulfur furnace, and blower and air door of fan regulating valve are equipped between drying tower and sulfur furnace, it is equipped with smart sulphur pump between smart sulphur slot and sulfur furnace and smart sulphur pumps sulfuring up regulating valve, the sulfur furnace is connect with converter；The utility model provides a kind of sulphur-burning sulphuric acid system, improve device intelligent level and product quality, the discharge of production cost and pollutant is reduced, to realize the safe and stable, efficient, high-quality of process units, low consumption operation, and thus to obtain considerable economic benefit.
Description
Technical field
The utility model relates to acid production with sulphur technical field, especially a kind of sulphur-burning sulphuric acid system.
Background technique
Currently, what the control system of domestic sulfuric acid industry was all made of is traditional handicraft, low efficiency is automated, it is difficult to it realizes,
The operation operation of process units still depends on the experience of operator, and it is efficient, optimization operation to be unable to meet production device
It is required that.As commercial plant is increasingly enlarged, integrated, efficient, logistics in production process can flow more sophisticated, simultaneously
Fierce market competition makes enterprise to product quality, production cost, safety and environmental protection etc., and more stringent requirements are proposed.Therefore, industrial
Enterprise is there is an urgent need to promote sulphur-burning sulphuric acid system, to realize the safe and stable, efficient, high-quality of process units, low consumption operation.
Summary of the invention
The technical problem to be solved by the utility model is to provide a kind of sulphur-burning sulphuric acid systems, improve production efficiency, reduce
Operating cost reduces environmental pollution.
A kind of sulphur-burning sulphuric acid system that in order to solve the above technical problems, the technical scheme adopted by the utility model is:, including
Air filter, air filter are connect with drying tower, and drying tower is connect with sulfur furnace, further include smart sulphur slot, smart sulphur slot with burn
The connection of sulphur furnace, blower and air door of fan regulating valve are equipped between drying tower and sulfur furnace, is set between smart sulphur slot and sulfur furnace
There are smart sulphur pump and smart sulphur pump sulfuring up regulating valve, the sulfur furnace to connect with converter；
The converter includes one section of conversion, two process transform, three sections of conversions and four sections of conversions, the output end of the sulfur furnace
It is connect with one section of conversion temperature control valve, one section of conversion temperature control valve is directly connected to the filter all the way, and another way passes through useless
Heat boiler is connected to the filter, and the input end that filter is converted with one section is connect, one section of outlet end converted and high temperature superheater
Connection, high temperature superheater connect with the input end of two process transform again, the outlet end of two process transform respectively with hot heat exchanger and cold
The input end of heat exchanger connects, and the output end of hot heat exchanger is connect with the input end of three sections of conversions and four sections of conversions respectively,
The hot and cold heat exchanger is also connect with hot heat exchanger；Two sections are equipped between one section of conversion and the input end of two process transform to turn
Change temperature control valve, three sections of conversion temperatures are equipped between the input end of the heat exchanger and the input end of three sections of conversions and are controlled
Valve is additionally provided with four sections of conversion temperature control valves between the hot and cold heat exchanger and hot heat exchanger.
Preferably, the output end of four sections of conversions is connect with low temperature superheater, and low temperature superheater and the first economizer connect
Second absorption tower is connect, second absorption tower connection tail washes tower, is discharged after tail washes tower processing.
Preferably, the output end of the hot and cold heat exchanger is also connect with the second economizer, and the second economizer and first absorbs
Tower connection, the first absorption tower is connect with hot and cold heat exchanger.
Preferably, the drying tower is connect with dry circulating slot of inhaling, and dry circulating slot of inhaling is connect with dry acid cooler, and dry acid is cold
Device is connect with drying tower again, and the dry suction circulating slot is also connect with two suction circulating slots, and two, which inhale the output end of circulating slot and two, inhales acid
Cooler and the connection of finished product acid cooler, the output end of finished product acid cooler are connect with pan tank, and two inhale the output end and second of acid cooler
Absorption tower connection, second absorption tower are also connect with two suction circulating slots；It is respectively equipped on the dry acid cooler and two suction acid coolers
Drying tower acid cooler circulating-water valve and two tower acid regenerator cycle water valves are inhaled, dry the suctions circulating slot and two suction circulating slots are and technique
Water pipe connection is respectively equipped with drying cycles slot priming valve and two on technique water pipe and inhales circulating slot priming valve.
Preferably, the tail is washed tower and is also connect with ammonia vessel and technique water pipe, washes in ammonia vessel and tail and is equipped with tail between tower
Tower ammonification valve is washed, tail is equipped on technique water pipe and washes tower priming valve.
Preferably, the air door of fan regulating valve, smart sulphur pump sulfuring up regulating valve, one section of conversion temperature control valve, two sections turns
Change temperature control valve, three sections of conversion temperature control valves, four sections of conversion temperature control valves, drying cycles slot priming valve, two suction circulations
Slot priming valve, drying tower acid cooler circulating-water valve, two suction tower acid regenerator cycle water valves, tail washes tower ammonification valve and tail washes tower priming valve
It is connect with DCS control system.
The utility model provides a kind of sulphur-burning sulphuric acid system, improves device intelligent level and product quality, reduces
The discharge of production cost and pollutant, to realize the safe and stable, efficient, high-quality of process units, low consumption operation, Er Qieyou
This obtains considerable economic benefit.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawings and examples:
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the dry absorptive unit of the utility model；
Fig. 3 is the structural schematic diagram that the utility model tail washes unit.
Specific embodiment
As shown in Figure 1, a kind of sulphur-burning sulphuric acid system, including air filter, air filter are connect with drying tower, it is dry
Tower is connect with sulfur furnace, further includes smart sulphur slot, and smart sulphur slot is connect with sulfur furnace, between drying tower and sulfur furnace be equipped with blower and
Air door of fan regulating valve 1, is equipped with smart sulphur pump between smart sulphur slot and sulfur furnace and smart sulphur pumps sulfuring up regulating valve 2, the sulfur furnace
It is connect with converter；
The converter includes one section of conversion, two process transform, three sections of conversions and four sections of conversions, the output end of the sulfur furnace
It is connect with one section of conversion temperature control valve 3, one section of 3 one tunnel of conversion temperature control valve is directly connected to the filter, and another way passes through
Waste heat boiler is connected to the filter, and the input end that filter is converted with one section is connect, one section of outlet end converted and hyperthermia and superheating
Device connection, high temperature superheater connect with the input end of two process transform again, the outlet end of two process transform respectively with hot heat exchanger and
The input end of hot and cold heat exchanger connects, and input end of the output end of hot heat exchanger respectively with three sections of conversions and four sections of conversions connects
It connects, the hot and cold heat exchanger is also connect with hot heat exchanger；Two are equipped between one section of conversion and the input end of two process transform
Section conversion temperature control valve 4, is equipped with three sections of conversion temperatures between the input end of the heat exchanger and the input end of three sections of conversions
Control valve 5 is additionally provided with four sections of conversion temperature control valves 6 between the hot and cold heat exchanger and hot heat exchanger.
Preferably, the output end of four sections of conversions is connect with low temperature superheater, and low temperature superheater and the first economizer connect
Second absorption tower is connect, second absorption tower connection tail washes tower, is discharged after tail washes tower processing.
Preferably, the output end of the hot and cold heat exchanger is also connect with the second economizer, and the second economizer and first absorbs
Tower connection, the first absorption tower is connect with hot and cold heat exchanger.
Preferably, the drying tower is connect with dry circulating slot of inhaling, and dry circulating slot of inhaling is connect with dry acid cooler, and dry acid is cold
Device is connect with drying tower again, and the dry suction circulating slot is also connect with two suction circulating slots, and two, which inhale the output end of circulating slot and two, inhales acid
Cooler and the connection of finished product acid cooler, the output end of finished product acid cooler are connect with pan tank, and two inhale the output end and second of acid cooler
Absorption tower connection, second absorption tower are also connect with two suction circulating slots；It is respectively equipped on the dry acid cooler and two suction acid coolers
Drying tower acid cooler circulating-water valve 9 and two inhale tower acid regenerator cycle water valves 10, dry the suctions circulating slot and two suction circulating slots with
The connection of technique water pipe is respectively equipped with drying cycles slot priming valve 7 and two on technique water pipe and inhales circulating slot priming valve 8.
Preferably, the tail is washed tower and is also connect with ammonia vessel and technique water pipe, washes in ammonia vessel and tail and is equipped with tail between tower
Tower ammonification valve 11 is washed, tail is equipped on technique water pipe and washes tower priming valve 12.
Preferably, the air door of fan regulating valve 1, smart sulphur pump 2, one sections of sulfuring up regulating valve, 3, two sections of conversion temperature control valve
4, three sections of conversion temperature control valve, 5, four sections of conversion temperature control valve conversion temperature control valve 6, drying cycles slot priming valve 7, two
Inhale circulating slot priming valve 8, drying tower acid cooler circulating-water valve 9, two inhale tower acid regenerator cycle water valve 10, tail wash tower ammonification valve 11 and
Tail is washed tower priming valve 12 and is connect with DCS control system.
Sulphur-burning sulphuric acid system, which specifically includes that, burns workshop section, boiler workshop section, dry absorption section, Wei Xi workshop section.Sulphur-burning sulphuric acid plant
Using " 3+1 " double-absorption technique, and the waste heat for burning sulphur and conversion procedure is recycled using medium-pressure boiler and economizer, press in generation
Superheated steam.SO2Conversion is carried out under the catalytic action of vanadium catalyst, passes through one, two, three section of catalyst wherein once converting,
Secondary conversion passes through four sections of catalyst.SO after conversion3Gas is absorbed using the concentrated sulfuric acid, and the concentrated sulfuric acid is entered by the top of tower, into mistake
Spray equipment is evenly distributed on tower interface, is contacted with the conversion gas countercurrent from tower lower part.The concentrated sulfuric acid absorbs SO3It is dense after gas
Degree will rise, and string acid be carried out between acid and circulation acid tank moisturizing is adjusted absorbing by dry acid, while lasting take out part acid
It is sour as producing.Tail gas is handled using ammonia desulfurizing process, and appropriate weak aqua ammonia is added in tail washing lotion, uses Meng Moke dynamic wave scrubbing
System discharge after sufficiently washing to tail gas.
The purification sulphur that molten sulphur portion is sent pumps the dry air sent in input sulfur furnace with main air blower through smart sulphur
It burns, generates qualified SO2Gas, by SO under the catalytic action of vanadium touching coal2Gas is converted into SO3Gas inhales work for dry
Section absorbs.
The drying of air is that have this characteristic of strong water imbibition using the concentrated sulfuric acid and realize.SO3Absorption be benefit
It can be with SO with the moisture in concentrated acid3Chemical reaction occurs to generate sulfuric acid this feature and absorbed.In the industrial production,
It is generally absorbed with the concentrated sulfuric acid, and does not have to water and absorb, be because being difficult to a SO with water absorption3It absorbs completely, and acid mist easily generated, no
It can obtain concentrated sulfuric acid product.The drying of furnace gas and SO3Absorption, be all to make absorbent using the concentrated sulfuric acid to complete in packed tower
, the absorption process carried out in packed tower can be explained with " double-film theory ".
Tail gas is ammonia desulfurizing process, uses Meng Moke dynamic wave scrubbing system.The dynamic wave scrubbing system is single-stage
Inverse spray, key technology are reversal nozzle and the contactor for generating gas-liquid mixed area.Gas-liquid mixed area is known as froth zone, flue gas into
Enter to the cleaning solution that the top and heavy caliber nozzle of vertical type flue spray upwards and collides.The cleaning solution and flue gas sprayed upwards
The standing wave area that collision generates a high concentration is known as froth zone.Froth zone liquid surface high speed updates, and is effectively quenched the temperature of flue gas
Degree reaches adiabatic saturation temperature and absorbs SO2Even if washer can be also quenched other than absorbing sour gas under disturbed condition
Hot fume, after gas-liquid two-phase contact, gas-liquid mixture enters knockout tower, falls into circulatory pool in tower after liquid separation, then
Flue gas is removed in air-flow by demister and leaves scrubbing tower after the liquid carried secretly, in tower the liquid of circulatory pool by circulating pump again
It is pumped into inverse nozzle, flue gas continues upward through the chimney at the top of washer and is discharged into atmosphere.
SO present in flue gas2, the cleaning solution recycled absorbs, and the pH value in liquid starts to reduce, in order to control pH
Value needs to increase ammonium hydroxide, the SO with absorption2Reaction generates soluble-salt, configures the pH value in 2 pH analysis-e/or determining systems, from
And the supply amount of ammonium hydroxide is adjusted to control cleaning solution pH value.The SO of absorption2It reacts with ammonia water and generates ammonium sulfate, ammonium bisulfite etc.
Sulfate, this substance must be discharged from system, not so can accumulate certain degree and cause to precipitate.Salt is according to circulation fluid
The control of density is discharged, and when circulation fluid concentration increases, density increases, that is, opens and send valve outside, convey circulation fluid outward.
The above embodiments are only the optimal technical scheme of the utility model, and are not construed as the limit for the utility model
System, the technical solution that the protection scope of the utility model should be recorded with claim, the technical solution recorded including claim
The equivalents of middle technical characteristic are protection scope.Equivalent replacement i.e. within this range is improved, also in the utility model
Protection scope within.
Claims (6)
1. a kind of sulphur-burning sulphuric acid system, it is characterised in that: including air filter, air filter is connect with drying tower, dry
Tower is connect with sulfur furnace, further includes smart sulphur slot, and smart sulphur slot is connect with sulfur furnace, between drying tower and sulfur furnace be equipped with blower and
Air door of fan regulating valve (1) is equipped with smart sulphur pump and smart sulphur pump sulfuring up regulating valve (2) between smart sulphur slot and sulfur furnace, described to burn
Sulphur furnace is connect with converter；
The converter includes one section of conversion, two process transform, three sections of conversions and four sections of conversions, the output end of the sulfur furnace and one
Section conversion temperature control valve (3) connects, and one section of conversion temperature control valve (3) is directly connected to the filter all the way, and another way passes through
Waste heat boiler is connected to the filter, and the input end that filter is converted with one section is connect, one section of outlet end converted and hyperthermia and superheating
Device connection, high temperature superheater connect with the input end of two process transform again, the outlet end of two process transform respectively with hot heat exchanger and
The input end of hot and cold heat exchanger connects, and input end of the output end of hot heat exchanger respectively with three sections of conversions and four sections of conversions connects
It connects, the hot and cold heat exchanger is also connect with hot heat exchanger；Two are equipped between one section of conversion and the input end of two process transform
Section conversion temperature control valve (4) is equipped with three sections of conversion temperature between the input end of the heat exchanger and the input end of three sections of conversions
It spends control valve (5), four sections of conversion temperature control valves (6) is additionally provided between the hot and cold heat exchanger and hot heat exchanger.
2. a kind of sulphur-burning sulphuric acid system according to claim 1, it is characterised in that: the output end and low temperature of four sections of conversions
Superheater connection, low temperature superheater connect second absorption tower with the first economizer, and second absorption tower connection tail washes tower, washes tower through tail
It is discharged after processing.
3. a kind of sulphur-burning sulphuric acid system according to claim 1, it is characterised in that: the output end of the hot and cold heat exchanger also with
The connection of second economizer, the second economizer are connect with the first absorption tower, and the first absorption tower is connect with hot and cold heat exchanger.
4. a kind of sulphur-burning sulphuric acid system according to claim 2, it is characterised in that: the drying tower and dry circulating slot of inhaling connect
It connects, dry circulating slot of inhaling is connect with dry acid cooler, and dry acid cooler is connect with drying tower again, and the dry suction circulating slot is also inhaled with two
The output end of circulating slot connection, two suction circulating slots is connect with two suction acid coolers and finished product acid cooler, the output end of finished product acid cooler
It is connect with pan tank, the output end of two suction acid coolers is connect with second absorption tower, and second absorption tower is also connect with two suction circulating slots；
Drying tower acid cooler circulating-water valve (9) and two suction tower acid regenerator cycles are respectively equipped on the dry acid cooler and two suction acid coolers
Water valve (10), the dry suction circulating slot and two suction circulating slots are connect with technique water pipe, are respectively equipped with drying on technique water pipe
Circulating slot priming valve (7) and two inhales circulating slot priming valve (8).
5. a kind of sulphur-burning sulphuric acid system according to claim 4, it is characterised in that: the tail wash tower also with ammonia vessel and technique
Water pipe connection, washes between tower in ammonia vessel and tail and washes tower ammonification valve (11) equipped with tail, and tail is equipped on technique water pipe and washes Ta Jiashui
Valve (12).
6. a kind of sulphur-burning sulphuric acid system according to claim 5, it is characterised in that: the air door of fan regulating valve (1), smart sulphur
Pump sulfuring up regulating valve (2), one section of conversion temperature control valve (3), two process transform temperature control valve (4), three sections of conversion temperature controls
Valve (5), four sections of conversion temperature control valves (6), drying cycles slot priming valve (7), two inhale circulating slot priming valve (8), dry tower acid
Regenerator cycle water valve (9), two suctions tower acid regenerator cycle water valve (10), tail washes tower ammonification valve (11) and tail washes tower priming valve (12)
It is connect with DCS control system.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821001432.4U CN208545125U (en) | 2018-06-27 | 2018-06-27 | A kind of sulphur-burning sulphuric acid system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821001432.4U CN208545125U (en) | 2018-06-27 | 2018-06-27 | A kind of sulphur-burning sulphuric acid system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109882864A (en) * | 2019-03-26 | 2019-06-14 | 刘兵 | A kind of technique and system of the coproduction relieving haperacidity of dangerous waste incineration disposal |
| CN112538032A (en) * | 2020-12-22 | 2021-03-23 | 赞宇科技集团股份有限公司 | Production process and production system of dodecylbenzene sulfonic acid |
| CN115350569A (en) * | 2022-08-31 | 2022-11-18 | 江西洪安化工有限公司 | Air purification system |
-
2018
- 2018-06-27 CN CN201821001432.4U patent/CN208545125U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109882864A (en) * | 2019-03-26 | 2019-06-14 | 刘兵 | A kind of technique and system of the coproduction relieving haperacidity of dangerous waste incineration disposal |
| CN112538032A (en) * | 2020-12-22 | 2021-03-23 | 赞宇科技集团股份有限公司 | Production process and production system of dodecylbenzene sulfonic acid |
| CN112538032B (en) * | 2020-12-22 | 2023-12-26 | 赞宇科技集团股份有限公司 | Production process and production system of dodecylbenzene sulfonic acid |
| CN115350569A (en) * | 2022-08-31 | 2022-11-18 | 江西洪安化工有限公司 | Air purification system |
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