CN218434913U - Refined sulfur trioxide apparatus for producing - Google Patents
Refined sulfur trioxide apparatus for producing Download PDFInfo
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- CN218434913U CN218434913U CN202123205304.6U CN202123205304U CN218434913U CN 218434913 U CN218434913 U CN 218434913U CN 202123205304 U CN202123205304 U CN 202123205304U CN 218434913 U CN218434913 U CN 218434913U
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- nicotinic acid
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Abstract
The utility model discloses a refined sulfur trioxide apparatus for producing, including filter-tank, nicotinic acid tower, nicotinic acid evaporimeter, sulfur trioxide intermediate tank, sulfur trioxide finished product groove and sulfur trioxide elevated tank, be equipped with first sulfur trioxide condenser between nicotinic acid evaporimeter and the sulfur trioxide intermediate tank, the liquid outlet of first sulfur trioxide condenser bottom passes through the pipeline and is connected with the inlet of sulfur trioxide intermediate tank, be equipped with sulfur trioxide intermediate pump, sulfur trioxide evaporimeter and second sulfur trioxide condenser between sulfur trioxide intermediate tank and the sulfur trioxide finished product groove, be equipped with sulfur trioxide finished product pump between sulfur trioxide finished product groove and the sulfur trioxide elevated tank, the utility model is simple in operation, reducible process tail gas is to environmental pollution, can produce the refined sulfuric acid series product of different specifications through processes such as purification, absorption, evaporation and condensation, has improved the productivity utilization ratio of sulfuric acid device, has certain economic benefits and environmental protection benefit.
Description
Technical Field
The utility model relates to a sulfur trioxide production and processing technical field specifically is a refined sulfur trioxide apparatus for producing.
Background
According to market analysis and prediction, the refined sulfur trioxide contains fewer metal ions and impurities compared with the common sulfur trioxide, has wider application, and particularly has better market prospect when the demand of electronic grade, semiconductor grade and food additives is increased continuously.
The process adopted for producing refined sulfur trioxide is to heat preheated 30%/40% nicotinic acid to over 125 ℃ by using the flue gas at 260 ℃ at the tube pass outlet of a cold-hot heat exchanger of a sulfur acid-making device, so that the sulfur trioxide is evaporated in a gaseous form, enters a sulfur trioxide condenser and is cooled by water to obtain liquid sulfur trioxide.
However, the metallic ions of sulfur trioxide produced by the method exceed the standard and cannot meet the requirements of customers.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a refined sulfur trioxide apparatus for producing to the problem that the sulfur trioxide metal ion of solution production exceeds standard.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a refined sulfur trioxide apparatus for producing, includes filter-tank, nicotinic acid tower, nicotinic acid evaporimeter, sulfur trioxide intermediate tank, sulfur trioxide finished product groove and sulfur trioxide elevated tank, be equipped with first sulfur trioxide condenser between nicotinic acid evaporimeter and the sulfur trioxide intermediate tank, the liquid outlet of first sulfur trioxide condenser bottom passes through the pipeline and is connected with the inlet of sulfur trioxide intermediate tank, be equipped with sulfur trioxide intermediate pump, sulfur trioxide evaporimeter and second sulfur trioxide condenser between sulfur trioxide intermediate tank and the sulfur trioxide finished product groove, be equipped with sulfur trioxide finished product pump between sulfur trioxide finished product groove and the sulfur trioxide elevated tank.
Preferably, the input fixed connection of pipeline and sulfur trioxide intermediate pump is passed through to one side of the inside bottom in sulfur trioxide intermediate tank, the output of sulfur trioxide intermediate pump passes through the pipeline and is connected with the inlet of sulfur trioxide evaporator, the gas outlet of sulfur trioxide evaporator passes through the pipeline and is connected with the inlet of second sulfur trioxide condenser, the liquid outlet of second sulfur trioxide condenser passes through the pipeline and is connected with the inlet of sulfur trioxide finished product groove, one side of the inside bottom in sulfur trioxide finished product groove pass through the input fixed connection of pipeline and sulfur trioxide finished product pump.
Preferably, the inside of the filter tank is fixedly connected with a filter plate and an activated carbon plate.
Preferably, the inside fixed mounting of nicotinic acid tower has the nicotinic acid cooler, the outside one side of nicotinic acid tower is equipped with the nicotinic acid pre-heater, the gas outlet of nicotinic acid tower is passed through the pipeline and is connected with the air inlet of nicotinic acid pre-heater, the gas outlet of nicotinic acid pre-heater is passed through the pipeline and is connected with the air inlet of nicotinic acid evaporimeter.
Preferably, valves are fixedly mounted on one side of the surface of the input end pipeline of the sulfur trioxide intermediate pump and one side of the surface of the input end pipeline of the sulfur trioxide finished product pump.
Preferably, the first sulfur trioxide condenser and the second sulfur trioxide condenser are both ADU206 in model, and the sulfur trioxide evaporator is RE-5003 in model.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model has simple operation, can reduce the environmental pollution caused by the tail gas of the working procedure; the refined sulfuric acid series products with different specifications can be produced through the working procedures of purification, absorption, evaporation, condensation and the like.
2. The utility model discloses certain economic benefits and environmental protection benefit have.
Drawings
Fig. 1 is a schematic view of the overall connection structure of the present invention.
1-a filter tank; 2-a nicotinic acid column; a 3-nicotinic acid preheater; 4-nicotinic acid evaporator; 5-a first sulfur trioxide condenser; 6-sulfur trioxide intermediate tank; 7-sulfur trioxide intermediate pump; 8-sulfur trioxide evaporator; 9-a second sulfur trioxide condenser and 10-a sulfur trioxide finished product tank; 11-sulfur trioxide finished product pump; 12-sulfur trioxide elevated tank.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: the utility model provides a refined sulfur trioxide apparatus for producing, includes filter tank 1, nicotinic acid tower 2, nicotinic acid evaporimeter 4, sulfur trioxide intermediate tank 6, sulfur trioxide finished product groove 10 and sulfur trioxide elevated tank 12.
Wherein, the gas outlet of filter tank 1 passes through the pipeline to be connected with the air inlet of nicotinic acid tower 2, be equipped with first sulfur trioxide condenser 5 between nicotinic acid evaporimeter 4 and the sulfur trioxide intermediate tank 6, the liquid outlet of first sulfur trioxide condenser 5 bottom passes through the pipeline to be connected with the inlet of sulfur trioxide intermediate tank 6, be equipped with sulfur trioxide intermediate pump 7 between sulfur trioxide intermediate tank 6 and the sulfur trioxide finished product groove 10, sulfur trioxide evaporimeter 8 and second sulfur trioxide condenser 9, be equipped with sulfur trioxide finished product pump 11 between sulfur trioxide finished product groove 10 and the sulfur trioxide elevated tank 12.
Further, the nicotinic acid tower 2 is a 40% nicotinic acid tower, which is a prior art and is not described in detail herein.
Wherein, one side of the inside bottom of sulfur trioxide intermediate tank 6 is connected with the input end of a sulfur trioxide intermediate pump 7 through a pipeline, the output end of the sulfur trioxide intermediate pump 7 is connected with the liquid inlet of a sulfur trioxide evaporator 8 through a pipeline, the gas outlet of the sulfur trioxide evaporator 8 is connected with the liquid inlet of a second sulfur trioxide condenser 9 through a pipeline, the liquid outlet of the second sulfur trioxide condenser 9 is connected with the liquid inlet of a sulfur trioxide finished product tank 10 through a pipeline, one side of the inside bottom of the sulfur trioxide finished product tank 10 is connected with the input end of a sulfur trioxide finished product pump 11 through a pipeline, and the output end of the sulfur trioxide finished product pump 11 is connected with the liquid inlet of a sulfur trioxide high-level tank 12 through a pipeline.
Wherein, the inside of the filter tank 1 is fixedly connected with a filter plate and an active carbon plate.
Further, sulfur trioxide gas is purified and separated by a filter plate and an activated carbon plate.
Wherein, inside fixed mounting of nicotinic acid tower has nicotinic acid cooler, and 2 outside one sides in nicotinic acid tower are equipped with nicotinic acid pre-heater 3, and the gas outlet of nicotinic acid tower 2 passes through the pipeline to be connected with nicotinic acid pre-heater 3's air inlet, and nicotinic acid pre-heater 3's air outlet passes through the pipeline to be connected with the air inlet of nicotinic acid evaporimeter 4.
Furthermore, the nicotinic acid in the nicotinic acid tower 2 can be cooled by the nicotinic acid cooler, the sulfur trioxide gas entering the nicotinic acid tower 2 and the 35-40% concentration nicotinic acid cooled by the nicotinic acid tower 2 cooler are reversely circularly absorbed in the tower, and the content of sulfur trioxide in 40% of the nicotinic acid at the outlet of the nicotinic acid tower can be controlled to reach the specified standard (40%).
Wherein, the equal fixed mounting in one side of 7 input pipeline surfaces of sulfur trioxide intermediate pump and one side of the input pipeline surface of sulfur trioxide finished product pump 11 has the valve, through the flow of the steerable sulfur trioxide liquid of valve.
The types of the first sulfur trioxide condenser 5 and the second sulfur trioxide condenser 9 are ADU206, the material of the first sulfur trioxide condenser is 316L, and the type of the sulfur trioxide evaporator is RE-5003, the material of the sulfur trioxide evaporator is 316L.
And (3) analyzing economic benefits generated after implementation:
1. the annual refined sulfur trioxide amount is 2 ten thousand tons, and the profit is increased in one year: 2 ten thousand t/h × 400 yuan/t =900 ten thousand yuan; (the price of refined sulfur trioxide is higher than that of the common sulfur trioxide by 400 yuan per ton);
2. investment and operating cost of technical transformation: 110 ten thousand yuan;
3. and (3) investment recovery period: 110 ÷ 900=0.125 years.
The working principle is as follows: when in use, firstly, the sulfur trioxide gas of the conversion process in the industrial sulfuric acid production system is selected for use, the gas inlet through the filter tank 1 enters the inside of the filter tank 1, the SO3 gas is purified and separated through the filter plate and the activated carbon plate, then the gas enters the nicotinic acid tower 2 through the pipeline, reverse circulation absorption is carried out in the tower with the nicotinic acid with the concentration of 35-40% cooled through the nicotinic acid tower cooler, the sulfur trioxide content in the nicotinic acid at the gas outlet of the nicotinic acid tower 2 is controlled to reach the specified standard (40%), meanwhile, part of 40% of the nicotinic acid is preheated by the nicotinic acid preheater 3 and then enters the nicotinic acid evaporator 4, the sulfur trioxide is evaporated to be the liquid sulfur trioxide gas, the gas passes through the first sulfur trioxide condenser 5, the liquid sulfur trioxide enters the sulfur trioxide intermediate tank 6 after being cooled, the sulfur trioxide liquid in the sulfur trioxide intermediate tank 6 is introduced into the sulfur trioxide evaporator 8 through the sulfur trioxide intermediate pump 7, the sulfur trioxide gas is evaporated to be the second sulfur trioxide condenser 9, the liquid sulfur trioxide enters the finished product tank 10 after being cooled to be refined, when the liquid sulfur trioxide is taken and refined, the finished product is extracted to be the sulfur trioxide high-level tank 12 through the finished product pump 11.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a refined sulfur trioxide apparatus for producing, includes filter-tank (1), nicotinic acid tower (2), nicotinic acid evaporimeter (4), sulfur trioxide intermediate tank (6), sulfur trioxide finished product groove (10) and sulfur trioxide elevated tank (12), its characterized in that: be equipped with first sulfur trioxide condenser (5) between nicotinic acid evaporimeter (4) and sulfur trioxide intermediate tank (6), the liquid outlet of first sulfur trioxide condenser (5) bottom is connected through the inlet of pipeline with sulfur trioxide intermediate tank (6), be equipped with sulfur trioxide intermediate pump (7), sulfur trioxide evaporimeter (8) and second sulfur trioxide condenser (9) between sulfur trioxide intermediate tank (6) and sulfur trioxide finished product groove (10), be equipped with sulfur trioxide finished product pump (11) between sulfur trioxide finished product groove (10) and sulfur trioxide elevated tank (12).
2. The refined sulfur trioxide production device according to claim 1, characterized in that: one side of the inside bottom of sulfur trioxide intermediate tank (6) is connected with the input end of a sulfur trioxide intermediate pump (7) through a pipeline, the output end of the sulfur trioxide intermediate pump (7) is connected with the inlet of a sulfur trioxide evaporator (8) through a pipeline, the gas outlet of the sulfur trioxide evaporator (8) is connected with the inlet of a second sulfur trioxide condenser (9) through a pipeline, the liquid outlet of the second sulfur trioxide condenser (9) is connected with the inlet of a sulfur trioxide finished product tank (10) through a pipeline, and one side of the inside bottom of the sulfur trioxide finished product tank (10) is connected with the input end of a sulfur trioxide finished product pump (11) through a pipeline.
3. The refined sulfur trioxide production device according to claim 1, characterized in that: the filter tank (1) is fixedly connected with a filter plate and an active carbon plate inside.
4. The refined sulfur trioxide production device according to claim 1, characterized in that: the inside fixed mounting of nicotinic acid tower (2) has the nicotinic acid cooler, the outside one side of nicotinic acid tower (2) is equipped with nicotinic acid pre-heater (3), the gas outlet of nicotinic acid tower (2) is passed through the pipeline and is connected with the air inlet of nicotinic acid pre-heater (3), the gas outlet of nicotinic acid pre-heater (3) is passed through the pipeline and is connected with the air inlet of nicotinic acid evaporimeter (4).
5. The refined sulfur trioxide production device according to claim 1, characterized in that: and valves are fixedly arranged on one side of the surface of the pipeline at the input end of the sulfur trioxide intermediate pump (7) and one side of the surface of the pipeline at the input end of the sulfur trioxide finished product pump (11).
6. The refined sulfur trioxide production device according to claim 1, characterized in that: the types of the first sulfur trioxide condenser (5) and the second sulfur trioxide condenser (9) are ADU206, and the type of the sulfur trioxide evaporator is RE-5003.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123205304.6U CN218434913U (en) | 2021-12-16 | 2021-12-16 | Refined sulfur trioxide apparatus for producing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123205304.6U CN218434913U (en) | 2021-12-16 | 2021-12-16 | Refined sulfur trioxide apparatus for producing |
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| Publication Number | Publication Date |
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| CN218434913U true CN218434913U (en) | 2023-02-03 |
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| CN202123205304.6U Active CN218434913U (en) | 2021-12-16 | 2021-12-16 | Refined sulfur trioxide apparatus for producing |
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| CN (1) | CN218434913U (en) |
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2021
- 2021-12-16 CN CN202123205304.6U patent/CN218434913U/en active Active
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