CN205527750U - Sulphuric acid purification device - Google Patents
Sulphuric acid purification device Download PDFInfo
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- CN205527750U CN205527750U CN201620132613.5U CN201620132613U CN205527750U CN 205527750 U CN205527750 U CN 205527750U CN 201620132613 U CN201620132613 U CN 201620132613U CN 205527750 U CN205527750 U CN 205527750U
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- sulphuric acid
- cooling
- water
- connecting tube
- sulfuric acid
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Abstract
The utility model provides a sulphuric acid purification device, including the evaporimeter of heating sulphuric acid raw materials, utilize first heat exchanger and water cooled condenser that sulphuric acid cooling liberated heat preheats to the sulphuric acid raw materials, first heat exchanger is said by raw tube and the steam pipe way constitutes, steam conduit entry intercommunication evaporimeter, the export is through sulphuric acid steam condenser pipe and water cooled condenser intercommunication, the water -cooled condenser pipe comprises water tank and the cooling tubulation of arranging in the water tank, the entry and the sulphuric acid steam condenser pipe intercommunication of cooling tubulation, export and sulphuric acid collecting pipe intercommunication, cooling water inlet pipe and cooling water outlet pipe with the water tower intercommunication are seted up to the water tank lateral wall, and cooling water inlet pipe is located the below of cooling tubulation, is equipped with circulating water pump on cooling water inlet pipe's the pipeline. This sulphuric acid purification device simple structure, it is with low costs, use and maintain conveniently, adopt and carry out the first heat exchanger and the combination of water cooled condenser that preheat to the raw materials, improve sulphuric acid and cooled off the effect of heat transfer to the difficult problem that the heat transfer pipeline easily stopped up in the sulphuric acid purification technology has been solved.
Description
Technical field
This utility model relates to a kind of chemical production device, especially relates to a kind of sulfuric acid purifying device.
Background technology
At present, sulfuric acid vapor and hot sulphuric acid by sulphuric acid heating evaporation, the most again by heat exchanger, are cooled down by raw material acid by sulfuric acid purifying device by heating evaporation device, thus obtain purification through overcooled sulphuric acid and preheated raw material acid.Then, preheated raw material acid is added heating evaporation device, production efficiency can be improved, reduce energy consumption.
CN 201553609 U discloses a kind of sulfuric acid purifying device, including heating the vaporizer of sulphuric acid raw material and utilizing sulphuric acid to cool down the liberated heat heat exchanger to sulphuric acid raw material preheating, described heat exchanger includes First Heat Exchanger and the second heat exchanger, First Heat Exchanger is by feed conduit, concentrated acid pipeline and diluted acid pipeline are constituted, second heat exchanger is made up of feed conduit and concentrated acid pipeline, it is made up of pipeline and the barrier flaps being fixed on tube wall for separating the separator of low boiling point component in sulphuric acid, the diluted acid pipeline of this separator top connection First Heat Exchanger, the jet chimney of middle part connection vaporizer, bottom connects the concentrated acid pipeline of the second heat exchanger, the concentrated acid pipeline of the concentrated acid pipeline communication First Heat Exchanger of the second heat exchanger.The 3rd heat exchanger it is also connected with between described separator and vaporizer, 3rd heat exchanger is made up of jet chimney and feed conduit, steam inlet channel connection vaporizer, outlet separator, feed conduit entrance connects the second heat exchanger, the feed port of outlet vaporizer.This sulfuric acid purifying device uses multi-stage heat exchanger to improve the efficiency of heat exchange, but is passed through the easy fouling of impure raw material acid in heat exchanger, cleans difficulty greatly, causes production efficiency on the low side.
CN 202849064 U discloses a kind of sulfuric acid purifying device and system thereof, including heating evaporation device, heat exchanger, liquid level equilibrium groove, air setting separator, described heating evaporation device is made up of the boiling case on pipe of revealing what is at the bottom of sth, the heating wire at middle part and the top of bottom；Described heat exchanger includes First Heat Exchanger and the second heat exchanger, the lower end of the top connection aerial condenser of First Heat Exchanger, bottom connection product outlet, product outlet connection production tube；The upper end of the top connection boiling case of the second heat exchanger, the lower end of bottom connection aerial condenser, the top of the second heat exchanger is connected with the upper end of air setting separator by the first pipeline the most respectively, is connected with heating evaporation device by second pipe;The upper end of air setting separator is provided with offgas duct and tail washings pipe；Mother tube, mother tube connection material outlet, the bottom of material outlet connection First Heat Exchanger it is communicated with below described liquid level equilibrium groove.This sulfuric acid purifying device uses air setting separator to carry out condensation separation, and separation efficiency is on the low side.
Utility model content
The technical problems to be solved in the utility model is: overcome the deficiencies in the prior art, it is provided that a kind of cost of manufacture is low, good effect of heat exchange, sulfuric acid purifying device easy to maintenance.
This utility model solves its technical problem and be the technical scheme is that a kind of sulfuric acid purifying device, including heating sulphuric acid raw material vaporizer, utilize sulphuric acid cooling liberated heat to the First Heat Exchanger of sulphuric acid raw material preheating and water cooled condenser；Described First Heat Exchanger is made up of feed conduit and steam pipeline；Described steam inlet channel connection vaporizer, outlet is connected with water cooled condenser by sulfuric acid vapor condensing tube；Described water-cooled condensing tube is made up of water tank and the cooling tubulation being placed in water tank；The entrance of described cooling tubulation connects with sulfuric acid vapor condensing tube, and outlet connects with sulphuric acid collecting pipe；Water tank sidewall offers the cooling water inlet pipe and cooling water outlet pipe connected with water tower, and cooling water inlet pipe is positioned at the lower section of cooling tubulation, and the pipeline of cooling water inlet pipe is provided with water circulating pump.
Further, described cooling tubulation includes that at least 3 row are in parallel in the three-back-shaped or pipeline of serpentine arrangement.
Further, described vaporizer top external diameter is more than the tubular buffer body at middle part, and middle part is mounted with heater, and bottom is provided with the not evaporant deposit cavity of band sewage draining exit, and connects the short-selling pipe having outer end short-selling.
Further, the entrance of described jet chimney connects with the buffer body top above vaporizer by going out acid tube.Described go out acid tube include the first connecting tube and the second connecting tube；Described first connecting tube connects with buffer body upper end and is inclined upwardly, one end of second connecting tube connects with the first connecting tube, the other end is connected with First Heat Exchanger, described first connecting tube and the second connecting tube connect at an acute angle, and the horizontal level of the junction of the first connecting tube and described buffer body is higher than the horizontal level of described second connecting tube with described first connecting tube junction.
Further, the high 200 ~ 250mm of described first connecting tube, it is 40 ~ 60 ° with horizontal direction and is inclined upwardly.
Further, described feed conduit entrance connection charging aperture, its outlet connects with the heater of vaporizer.
Operation principle and the using method of a kind of sulfuric acid purifying device of this utility model be: sulphuric acid raw material enters the feed conduit of First Heat Exchanger from charging aperture, carries out heat exchange with the steam of jet chimney, and after sulphuric acid raw material is by preheating, its temperature is close to boiling temperature.Sulphuric acid raw material after preheated enters vaporizer heating evaporation, becomes sulfuric acid vapor.
Sulfuric acid vapor enters the jet chimney of First Heat Exchanger through going out acid tube, carry out cooling down for the first time with the raw material heat exchange in feed conduit, the temperature of sulfuric acid vapor can be reduced to condensing temperature, and have part to liquefy, become the steam accompanying drop, entering water cooled condenser through pipeline, sulfuric acid vapor is by being cooled at cooling row in-pipe, and the sulphuric acid obtained is collected through sulphuric acid collecting pipe.And the recirculated water in water cooled condenser is by can be used for domestic water after sulphuric acid heat exchange, it is also possible to for other water for industrial uses.Water tower ensure that the stable circulation of water cooled condenser cooling water provides, it is ensured that condensation efficiency, also solves the blockage problem of sulphuric acid cooling heat transferring pipeline.
The beneficial effect of a kind of sulfuric acid purifying device of this utility model: simple in construction, low cost, O&M is convenient, use the First Heat Exchanger and the combination of water cooled condenser that raw material is preheated, improve the effect of sulphuric acid cooling heat transferring, and solve the susceptible to plugging difficult problem of heat exchange pipeline in purifying sulfuric acid technique.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of sulfuric acid purifying device of this utility model；
Fig. 2 is the structural representation of 2 one kinds of sulfuric acid purifying devices of embodiment.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Embodiment
1
With reference to Fig. 1, a kind of sulfuric acid purifying device, including heating sulphuric acid raw material vaporizer, utilize sulphuric acid cooling liberated heat to the First Heat Exchanger 8 of sulphuric acid raw material preheating and water cooled condenser；Described First Heat Exchanger 8 is made up of feed conduit 8-2 and steam pipeline；Described jet chimney 8-1 entrance connection vaporizer, outlet is connected with water cooled condenser by sulfuric acid vapor condensing tube (sign)；Described water-cooled condensing tube is made up of water tank 10 and the cooling tubulation 11 being placed in water tank 10；The entrance of described cooling tubulation 11 connects with sulfuric acid vapor condensing tube (sign), and outlet connects with sulphuric acid collecting pipe 15；Water tank 10 sidewall offers the cooling water inlet pipe 13 and cooling water outlet pipe 16 connected with water tower 12, and cooling water inlet pipe 13 is positioned at the lower section of cooling tubulation 11, and the pipeline of cooling water inlet pipe 13 is provided with water circulating pump 14.
Described cooling tubulation 11 includes that 3 row are in parallel in the three-back-shaped or pipeline of serpentine arrangement.
Described vaporizer top external diameter is more than the tubular buffer body 5 at middle part, and middle part is mounted with heater 4, and heater 4 uses quartz glass to make, the phenomenon causing device to burst due to excessive temperature differentials during can being prevented effectively from purifying sulfuric acid；Vaporizer bottom is provided with the not evaporant deposit cavity 2 of band sewage draining exit 1, and connects the short-selling pipe 3 having outer end short-selling, makes tubing keep pressure balance with extraneous, reduces explosion danger.
The entrance of described jet chimney 8-1 connects with buffer body 5 top above vaporizer by going out acid tube 6.Described go out acid tube 6 include the first connecting tube 6-1 and the second connecting tube 6-2；Described first connecting tube 6-1 connects with buffer body 5 upper end and is inclined upwardly, one end of second connecting tube 6-2 connects with the first connecting tube 6-1, the other end with First Heat Exchanger 8 to connecting, described first connecting tube 6-1 and the second connecting tube 6-2 connect at an acute angle, and the horizontal level of the junction of the first connecting tube 6-1 and described buffer body 5 is higher than the horizontal level of described second connecting tube 6-2 with described first connecting tube 6-1 junction.Use inverted " V " type goes out acid tube 6, enters out acid tube 6 when can avoid the sulfuric acid vapor after distillation without atomization, and then, improve product quality.
High 200 ~ the 250mm of described first connecting tube 6-1, is 40 ~ 60 ° with horizontal direction and is inclined upwardly.
Described feed conduit 8-2 entrance connection charging aperture, charging aperture is connected with head tank 9 by pipeline, and its outlet is connected with the heater 4 of vaporizer by pipeline 7.
Embodiment
2
With reference to Fig. 2, a kind of sulfuric acid purifying device of the present embodiment, exist following different from embodiment 1:
Described cooling tubulation 11 includes the pipeline of 4 row serpentine-like arrangement in parallel.
Operation principle and the using method of a kind of sulfuric acid purifying device of this utility model be: sulphuric acid raw material enters the feed conduit 8-2 of First Heat Exchanger 8 from charging aperture, heat exchange is carried out with the steam of jet chimney 8-1, after sulphuric acid raw material is by preheating, its temperature is close to boiling temperature.Sulphuric acid raw material after preheated enters vaporizer heating evaporation, becomes sulfuric acid vapor.
Sulfuric acid vapor enters the jet chimney 8-1 of First Heat Exchanger 8 through going out acid tube 6, carry out cooling down for the first time with the raw material heat exchange in feed conduit 8-2, the temperature of sulfuric acid vapor can be reduced to condensing temperature, and have part to liquefy, become the steam accompanying drop, entering water cooled condenser through pipeline, sulfuric acid vapor is by mobile cooled in cooling tubulation 11, and the sulphuric acid obtained is collected through sulphuric acid collecting pipe 15.And the recirculated water in water cooled condenser is by can be used for domestic water after sulphuric acid heat exchange, it is also possible to for other water for industrial uses.Water tower 12 ensure that the stable circulation of water cooled condenser cooling water provides, it is ensured that condensation efficiency, also solves the blockage problem of sulphuric acid cooling heat transferring pipeline.
Claims (7)
1. a sulfuric acid purifying device, it is characterised in that include heating the vaporizer of sulphuric acid raw material, utilizing sulphuric acid cooling liberated heat to the First Heat Exchanger of sulphuric acid raw material preheating and water cooled condenser；Described First Heat Exchanger is made up of feed conduit and jet chimney；Described steam inlet channel connection vaporizer, outlet is connected with water cooled condenser by sulfuric acid vapor condensing tube；Described water-cooled condensing tube is made up of water tank and the cooling tubulation being placed in water tank；The entrance of described cooling tubulation connects with sulfuric acid vapor condensing tube, and outlet connects with sulphuric acid collecting pipe；Water tank sidewall offers the cooling water inlet pipe and cooling water outlet pipe connected with water tower, and cooling water inlet pipe is positioned at the lower section of cooling tubulation, and the pipeline of cooling water inlet pipe is provided with water circulating pump.
2. sulfuric acid purifying device as claimed in claim 1, it is characterised in that described cooling tubulation includes that at least 3 row are in parallel in the three-back-shaped or pipeline of serpentine arrangement.
3. sulfuric acid purifying device as claimed in claim 1 or 2, it is characterised in that described vaporizer top external diameter is more than the tubular buffer body at middle part, and middle part is mounted with heater, bottom is provided with the not evaporant deposit cavity of band sewage draining exit, and connects the short-selling pipe having outer end short-selling.
4. sulfuric acid purifying device as claimed in claim 1 or 2, it is characterised in that the entrance of described jet chimney connects with the buffer body top above vaporizer by going out acid tube.
5. as claimed in claim 4 sulfuric acid purifying device, it is characterised in that described in go out acid tube and include the first connecting tube and the second connecting tube；Described first connecting tube connects with buffer body upper end and is inclined upwardly, one end of second connecting tube connects with the first connecting tube, the other end is connected with First Heat Exchanger, described first connecting tube and the second connecting tube connect at an acute angle, and the horizontal level of the junction of the first connecting tube and described buffer body is higher than the horizontal level of described second connecting tube with described first connecting tube junction.
6. sulfuric acid purifying device as claimed in claim 5, it is characterised in that the high 200 ~ 250mm of described first connecting tube, is 40 ~ 60 ° with horizontal direction and is inclined upwardly.
7. sulfuric acid purifying device as claimed in claim 1 or 2, it is characterised in that described feed conduit entrance connection charging aperture, its outlet connects with the heater of vaporizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620132613.5U CN205527750U (en) | 2016-02-22 | 2016-02-22 | Sulphuric acid purification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620132613.5U CN205527750U (en) | 2016-02-22 | 2016-02-22 | Sulphuric acid purification device |
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| CN205527750U true CN205527750U (en) | 2016-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620132613.5U Active CN205527750U (en) | 2016-02-22 | 2016-02-22 | Sulphuric acid purification device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111591961A (en) * | 2020-06-19 | 2020-08-28 | 贵溪市恒盛实业有限公司 | Concentrated sulfuric acid purification equipment and purification process applying same |
-
2016
- 2016-02-22 CN CN201620132613.5U patent/CN205527750U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111591961A (en) * | 2020-06-19 | 2020-08-28 | 贵溪市恒盛实业有限公司 | Concentrated sulfuric acid purification equipment and purification process applying same |
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