CN203533504U - Sulfonation waste heat recovery device - Google Patents
Sulfonation waste heat recovery device Download PDFInfo
- Publication number
- CN203533504U CN203533504U CN201320589552.1U CN201320589552U CN203533504U CN 203533504 U CN203533504 U CN 203533504U CN 201320589552 U CN201320589552 U CN 201320589552U CN 203533504 U CN203533504 U CN 203533504U
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- Prior art keywords
- gas
- pipe
- waste heat
- recovery device
- heat recovery
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- 239000002918 waste heat Substances 0.000 title claims abstract description 45
- 238000011084 recovery Methods 0.000 title claims abstract description 21
- 238000006277 sulfonation reaction Methods 0.000 title abstract description 11
- 239000007789 gas Substances 0.000 claims abstract description 68
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 60
- 239000000498 cooling water Substances 0.000 claims abstract description 4
- 239000008234 soft water Substances 0.000 claims description 17
- 238000005987 sulfurization reaction Methods 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 12
- 230000002093 peripheral effect Effects 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract 1
- 238000001816 cooling Methods 0.000 description 13
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 6
- 238000001704 evaporation Methods 0.000 description 6
- 230000008020 evaporation Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 229910052717 sulfur Inorganic materials 0.000 description 5
- 239000011593 sulfur Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 239000003905 agrochemical Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000010410 dusting Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 229940098458 powder spray Drugs 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model relates to a sulfonation waste heat recovery device which is capable of utilizing waste heat more reasonably and has the advantages of being simple in structure, long in service life, high in safety and convenient to maintain. According to the technical scheme, the sulfonation waste heat recovery device comprises a gas casing pipe into which high-temperature gases are led. The sulfonation waste heat recovery device is characterized by further comprising an inner water pipe into which cooling water is led and an outer water casing pipe, the inner water pipe is used for generating steam, the outer water casing pipe and the gas casing pipe are made of thin wall shells, the cross section of the outer water casing pipe and the cross section of the gas casing pipe are annular sealing cavities, the gas casing pipe wraps the surface of the outer circumference of the inner water pipe, the outer water casing pipe wraps the surface of the outer circumference of the gas casing pipe, the upper end and the lower end of the gas casing pipe are provided with a gas inlet and a gas outlet respectively, the upper end and the lower end of the inner water pipe are provided with a steam outlet and a water inlet respectively, and the upper end and the lower end of the outer water casing pipe are provided with a steam outlet and a cool water inlet respectively.
Description
Technical field
The utility model relates to a kind of gas waste-heat retracting device, especially a kind of Waste heat recovery device for sulfuration.
Background technology
Sulfonating reaction is occupied critical role in modern chemical industry field, is the important step of synthetic multiple organic products and chemical intermediate, wider in sector applications such as washing agent, leather, medicine, agricultural chemicals, dyestuff, coating, oil and ore dressings.Current industrial sulfonation production generally adopts gas SO
3membrane-type sulfonation, SO used
3adopting combustion sulphur method to make---sulphur is fired to obtain SO at sulfur burner internal combustion
2, then make SO by converter
3, for sulfonation production.The SO making due to sulfur burner
2temperature higher (600～700 ℃), and the required SO of sulfonation
3gas temperature lower (40～60 ℃), therefore has comparatively outstanding meaning to the heat recovery of this part waste.
What current this part waste heat recovery mainly adopted is to use for reference the waste heat boiler recovery process of sulfuric acid production process and take Ballestra, the Chemithon aerial cooler technique as representative employing.Wherein, waste heat boiler can be divided into chimney flue type and shell-and-tube; Chimney flue type is comparatively ripe, but poor to the sulfur burner applicability of small-scale in sulfonation production; Shell-and-tube adopts typical watertube boiler structure, and liquid cooling pipe directly contacts with gas, but due to equipment performance and technical problem, result of use is not fine.Aerial cooler process using air heat-exchange, heat exchange efficiency is low, occupation area of equipment is large, the high temperature air of 250～450 ℃ producing, can be used as the source of the gas of washing powder spray tower, be applicable to the factory that sulfonation is combined with powder injection process, for the unit that there is no dusting device, need further hot-air to be converted into steam, the thermal efficiency is poorer.
The shortcomings such as CN102425774B has designed a kind of Waste heat recovery device for sulfuration, comparatively desirable through practical effect, but still has processed complex, and heat exchange area is relatively little.
Utility model content
Technical problem to be solved in the utility model is the deficiency that overcomes above-mentioned background technology, a kind of improvement of Waste heat recovery device for sulfuration is provided, this waste-heat recoverer should be able to more reasonably utilize used heat, and have simple in structure, the life-span long, safe and easy to maintenance feature.
The technical scheme that the utility model provides is:
A Waste heat recovery device for sulfuration, comprises for passing into the gas sleeve pipe of high-temperature gas; It is characterized in that this waste-heat recoverer also comprises that described outer water jacket pipe and gas sleeve pipe are made by thin-wall case and cross section seal chamber in the form of a ring for passing into inner conduit and the outer water jacket pipe of cooling water generates steam; Described gas sleeve pipe is coated on the external peripheral surface of inner conduit and outer water jacket pipe is coated on the external peripheral surface of gas sleeve pipe; The two ends up and down of described gas sleeve pipe are respectively equipped with air inlet and gas outlet; The two ends up and down of described inner conduit are respectively equipped with steam outlet and water inlet; The two ends up and down of described outer water jacket pipe are respectively equipped with steam (vapor) outlet and cold water inlet.
Contact gap between described gas sleeve pipe and inner conduit, and gas sleeve pipe and outer water jacket pipe contact gap, all fill with copper scale.
The steam outlet of described inner conduit upper end and the steam (vapor) outlet of outer water jacket pipe upper end, access steam pipe system again by a gas-liquid separator after parallel connection.
The water inlet of described inner conduit lower end and the cold water inlet of outer water jacket pipe lower end, communicate with soft water input channel after parallel connection.
On described soft water input channel, also configure the valve of a capable of regulating flow quantity.
Described waste-heat recoverer also configures a temperature control system.
Operation principle of the present utility model is: during work, high-temperature gas is carried by pipeline, from the air inlet of gas sleeve pipe upper end, enters gas sleeve pipe, transfers heat to inner conduit and outer water jacket pipe, and the gas after heat exchange is discharged by gas outlet, bottom; Cooling soft water through the water inlet of inner conduit lower end, the cold water inlet of outer water jacket pipe lower end enter respectively, and in inner conduit and outer water jacket pipe, carry out respectively heat exchange and absorb heat and become steam, steam enters after gas-liquid separator via the steam outlet of upper end, is incorporated to steam pipe system.Thereby temperature control system is controlled the flow of cooling soft water by measuring Outlet Gas Temperature by-pass valve control.During concrete use, this waste-heat recoverer is a plurality of serial or parallel connections as required.
The beneficial effects of the utility model are: the waste-heat recoverer heat utilization ratio providing is high, applied widely; Adopt gas-liquid heat exchange, direct steam generation, has avoided the single defect of existing air heat-exchange facilities air purposes, has cancelled the equipment such as blower fan simultaneously, has reduced and has taken up an area and investment, also greatly reduces sound and makes an uproar; Coolant pipe (being inner conduit, outer water jacket pipe) and tracheae absolute construction, avoided sour gas to the corrosion of coolant pipe and washed away, and long service life is easy to maintenance.In addition, due to simple in structure, it is also easy to manufacture.
Accompanying drawing explanation
Fig. 1 is main TV structure schematic diagram of the present utility model.
Fig. 2 is plan structure schematic diagram of the present utility model.
Fig. 3 is the process chart that the utility model is used state.
The specific embodiment
This Waste heat recovery device for sulfuration, comprise gas sleeve pipe 1 for passing into high-temperature gas, for passing into inner conduit 3 and the outer water jacket pipe 2 of cooling water generates steam, the seal chamber that described outer water jacket pipe and gas sleeve pipe are made by thin-wall case, its cross section is in the form of a ring; Inner conduit 3 is placed in gas sleeve pipe 1, inner conduit outer wall and gas internal surface of sleeve pipe laminating (being the external peripheral surface that gas sleeve pipe is coated on inner conduit); Outer water jacket pipe 2 is placed in outside gas sleeve pipe 1, outer water jacket pipe inwall and gas sleeve outer wall laminating (being the external peripheral surface that outer water jacket pipe is coated on gas sleeve pipe).The upper and lower two ends of described gas sleeve pipe are shaped with respectively air inlet 1-1 and gas outlet 1-2(as seen from the figure: described air inlet 1-1, gas outlet 1-2 are all produced on the outer circumference surface of gas sleeve pipe), (the high temperature SO that sulfur burner makes communicates with gas access 4, gas vent 6 by pipeline respectively
2by gas access 4, enter this Waste heat recovery device for sulfuration, the SO after cooling
2by gas vent 6 outputs, be used for industrial sulfonation production); Described inner conduit lower end is provided with water inlet 3-1, and upper end is provided with steam outlet 3-2; Described outer water jacket pipe lower end is provided with cold water inlet 2-1, and upper end is provided with steam (vapor) outlet 2-2(as seen from the figure: described cold water inlet 2-1, steam (vapor) outlet 2-2 are all produced on the outer circumference surface of outer water jacket pipe).
As shown in Figure 3: the water inlet of described inner conduit lower end and outer water jacket pipe lower end water inlet are all connected with soft water input channel 5; On soft water input channel, configure the valve 10 of a capable of regulating flow quantity.The steam of the steam (vapor) outlet of inner conduit and the output of the steam (vapor) outlet of outer water jacket pipe, need to be connected with steam pipe system 8 by a gas-liquid separator 7; This is because also contain some water in the steam that waste-heat recoverer produces, so need gas-liquid separator to do last gas-liquid separation.
This recover also configures a directly outsourcing of temperature control system 9(), temperature control system exports 6 gas temperatures of exporting by measurement gas and carrys out by-pass valve control, thereby controls the flow of cooling soft water.Nature, also can be born by operator on duty the work of temperature control system.
For improving heat transfer efficiency, the contact gap between described gas sleeve pipe and inner conduit, and gas sleeve pipe and outer water jacket pipe contact gap, all can fill copper scale; Copper scale should be less than described contact gap, and stock size is between 0.05-1mm.
Described gas sleeve pipe, inner conduit and outer water jacket pipe adopt metal material (preferably stainless steel) to make.
With 5m
3the SO of/h
2gas waste-heat is recovered as example (describing in conjunction with Fig. 3).
The concrete setting of waste-heat recoverer: gas casing inner diameter 255mm wherein, external diameter 350mm is about 4500mm; Inner conduit external diameter 250mm, is about 5000mm; Outer water jacket pipe internal diameter 355mm, external diameter 500mm, is about 4000mm; The about 7.5m of this waste-heat recoverer heat exchange area
2.Whole residual neat recovering system is comprised of 2 waste-heat recoverers, and wherein the gas as hot side medium connects with series connection form, and the cooling soft water of cold junction medium connects with parallel form.
From sulfur burner SO out
2temperature is about 700 ℃, from air inlet/outlet, enters system, as shown in Figure 3, enters successively the tracheae of the waste-heat recoverer of 2 series connection as hot side medium; Cooling soft water (approximately 30 ℃) enters 2 waste-heat recoverers in parallel as cold junction medium by cooling soft water input port, the evaporation that heats up in evaporation tube (inner conduit in 2 waste-heat recoverers and outer water jacket pipe are all as evaporation tube) produces steam and enters gas-liquid separator, after preliminary gas-liquid separation, produce 0.6MPa steam and be incorporated to steam pipe system.After stable, under temperature control system effect, the gas temperature of air inlet/outlet output can be stabilized in 450 ℃, the about 1.5t/h of cooling soft water flow, and system produces approximately 4.0 * 105kcal/h of heat energy, the about 500t of Spring Festival holidays province-norm coal.
With 5m
3the SO of/h
3gas waste-heat is recovered as example.
The concrete setting of waste-heat recoverer: gas casing inner diameter 255mm wherein, external diameter 350mm is about 4500mm; Inner conduit external diameter 250mm, is about 5000mm; Outer water jacket pipe internal diameter 355mm, external diameter 500mm, is about 4000mm; The about 7.5m of this waste-heat recoverer heat exchange area
2.Whole residual neat recovering system is comprised of 3 waste-heat recoverers, and wherein the gas as hot side medium connects with series connection form, and the cooling soft water of cold junction medium connects with parallel form.
From converter SO out
3temperature is about 450 ℃, from air inlet/outlet, enters system, enters successively the tracheae of the waste-heat recoverer of 3 series connection as hot side medium; Cooling soft water (approximately 30 ℃) enters 3 waste-heat recoverers in parallel as cold junction medium by cooling soft water input port, the evaporation that heats up in evaporation tube (inner conduit in 3 waste-heat recoverers and outer water jacket pipe are all as evaporation tube) produces steam and enters gas-liquid separator, after preliminary gas-liquid separation, the steam that produces 0.3MPa is incorporated to steam pipe system.After stable, under temperature control system effect, the gas temperature of air inlet/outlet output can be stabilized in 150 ℃, and cooling soft water flow is about 1.3t/h, and system produces approximately 3.5 * 105kcal/h of heat energy, the about 400t of Spring Festival holidays province-norm coal.
Claims (6)
1. a Waste heat recovery device for sulfuration, comprises for passing into the gas sleeve pipe (1) of high-temperature gas; It is characterized in that this waste-heat recoverer also comprises inner conduit (3) and the outer water jacket pipe (2) for passing into cooling water generates steam, described outer water jacket pipe and gas sleeve pipe are made by thin-wall case and cross section seal chamber in the form of a ring; Described gas sleeve pipe is coated on the external peripheral surface of inner conduit and outer water jacket pipe is coated on the external peripheral surface of gas sleeve pipe; The two ends up and down of described gas sleeve pipe are respectively equipped with air inlet (1-1) and gas outlet (1-2); The two ends up and down of described inner conduit are respectively equipped with steam outlet (3-2) and water inlet (3-1); The two ends up and down of described outer water jacket pipe are respectively equipped with steam (vapor) outlet (2-2) and cold water inlet (2-1).
2. a kind of Waste heat recovery device for sulfuration according to claim 1, is characterized in that: the contact gap between described gas sleeve pipe and inner conduit, and gas sleeve pipe and outer water jacket pipe contact gap, all fill with copper scale.
3. a kind of Waste heat recovery device for sulfuration according to claim 2, is characterized in that: the steam outlet of described inner conduit upper end and the steam (vapor) outlet of outer water jacket pipe upper end, parallel connection is rear accesses steam pipe system (8) again by a gas-liquid separator (7).
4. a kind of Waste heat recovery device for sulfuration according to claim 3, is characterized in that: the water inlet of described inner conduit lower end and the cold water inlet of outer water jacket pipe lower end, communicate with soft water input channel (5) after parallel connection.
5. a kind of Waste heat recovery device for sulfuration according to claim 4, is characterized in that: 2, a kind of Waste heat recovery device for sulfuration according to claim 1, is characterized in that: the valve (10) that also configures a capable of regulating flow quantity on described soft water input channel.
6. a kind of Waste heat recovery device for sulfuration according to claim 5, is characterized in that: described waste-heat recoverer also configures a temperature control system (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320589552.1U CN203533504U (en) | 2013-09-22 | 2013-09-22 | Sulfonation waste heat recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320589552.1U CN203533504U (en) | 2013-09-22 | 2013-09-22 | Sulfonation waste heat recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203533504U true CN203533504U (en) | 2014-04-09 |
Family
ID=50419705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320589552.1U Withdrawn - After Issue CN203533504U (en) | 2013-09-22 | 2013-09-22 | Sulfonation waste heat recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203533504U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103499081A (en) * | 2013-09-22 | 2014-01-08 | 浙江赞宇科技股份有限公司 | Waste heat recoverer for sulfonation |
| CN104226207A (en) * | 2014-08-28 | 2014-12-24 | 沈阳化工大学 | Double-side cooling concentric tube-in-tube type sulfonating reactor |
-
2013
- 2013-09-22 CN CN201320589552.1U patent/CN203533504U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103499081A (en) * | 2013-09-22 | 2014-01-08 | 浙江赞宇科技股份有限公司 | Waste heat recoverer for sulfonation |
| CN103499081B (en) * | 2013-09-22 | 2016-06-22 | 浙江赞宇科技股份有限公司 | A kind of Waste heat recovery device for sulfuration |
| CN104226207A (en) * | 2014-08-28 | 2014-12-24 | 沈阳化工大学 | Double-side cooling concentric tube-in-tube type sulfonating reactor |
| CN104226207B (en) * | 2014-08-28 | 2016-02-24 | 沈阳化工大学 | Double-sided cooled concentric locking collar tubular sulfonator |
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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: 20140409 Effective date of abandoning: 20160622 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |