CN209583635U - The continuous production device of nitrosyl sulfuric acid - Google Patents

The continuous production device of nitrosyl sulfuric acid Download PDF

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Publication number
CN209583635U
CN209583635U CN201822056867.5U CN201822056867U CN209583635U CN 209583635 U CN209583635 U CN 209583635U CN 201822056867 U CN201822056867 U CN 201822056867U CN 209583635 U CN209583635 U CN 209583635U
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sulfuric acid
mixing
reaction kettle
closed
heat exchanger
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CN201822056867.5U
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李万春
方标
朱燕英
余丽娟
吴勋
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Zhejiang Daheng New Material Co.,Ltd.
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Hangzhou Shenhang New Materials Co Ltd
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Abstract

The utility model discloses a kind of continuous production devices of nitrosyl sulfuric acid.The continuous production device of nitrosyl sulfuric acid, including sulfuric acid measuring tank, water measuring tank, nitric acid measuring tank, sulfur dioxide gas carrying shield, the first inside spin heat exchanger being connected to refrigerant, the second inside spin heat exchanger being connected to refrigerant, the first coil pipe type reactor, the second coil pipe type reactor, the first closed reaction kettle without mixing, the second closed reaction kettle without mixing, nitrosyl sulfuric acid detection meter;Sulfuric acid measuring tank passes through sulfuric acid metering pump with water measuring tank respectively and water metering pump mixes and successively imports the first inside spin heat exchanger, the second inside spin heat exchanger;Nitric acid measuring tank is connected to by nitric acid metering pump with the pipeline between the first inside spin heat exchanger and the second inside spin heat exchanger.The utility model can solve the problems, such as how to carry out continuous production to nitrosyl sulfuric acid.

Description

The continuous production device of nitrosyl sulfuric acid
Technical field
The utility model relates to a kind of continuous production devices of nitrosyl sulfuric acid.
Background technique
Nitrosyl sulfuric acid is also nitrosylsulfuric acid, be mainly used for dyestuff, medicine replace sodium nitrite in diazo-reaction, Sulfuric acid usage amount is effectively reduced, increases the mobility of reaction, does not generate inorganic salts, so as to reduce cost, improves product matter Amount keeps dyestuff finished product lovely luster, fixation ability strong, reduces sewage.Domestic production pressure application produces at present, also there is the more kettles of series connection Formula production is all first to be reconfigured nitration mixture with sulfuric acid, then pass to sulfur dioxide and react, due to the particularity of reaction, early period Complex acid and reaction thermal discharge early period are big, need a large amount of chilled brine, and react the later period, and reaction speed is very slow, sulfur dioxide It is passed through the time and reaction reaches total time tens hours, be difficult to carry out continuous production.
Utility model content
The purpose of the utility model is to provide a kind of continuous production devices of nitrosyl sulfuric acid, how solve to nitrosyl Sulfuric acid carries out the problem of continuous production.
The continuous production device of nitrosyl sulfuric acid, including sulfuric acid measuring tank, water measuring tank, nitric acid measuring tank, titanium dioxide Sulphur gas source tank, the first inside spin heat exchanger being connected to refrigerant, the second inside spin heat exchanger, the first coiled being connected to refrigerant Reactor, the second coil pipe type reactor, the first closed reaction kettle without mixing, the second closed reaction kettle without mixing, nitrosyl Sulfuric acid detection meter;Sulfuric acid measuring tank passes through sulfuric acid metering pump with water measuring tank respectively and water metering pump is mixed and successively imported in first Spiral heat exchanger, the second inside spin heat exchanger;Nitric acid measuring tank by nitric acid metering pump in the first inside spin heat exchanger and Pipeline connection between second inside spin heat exchanger, the second inside spin heat exchanger are connected to the first coil pipe type reactor, titanium dioxide First end of sulphur gas source tank is connected to the pipeline between the second inside spin heat exchanger and the first coil pipe type reactor;First Coil pipe type reactor is connected to the second coil pipe type reactor, second of sulfur dioxide gas carrying shield end with to be in the first coiled anti- The pipeline of device and the second coil pipe type reactor is answered to be connected to, the second coil pipe type reactor and the first closed reaction kettle without mixing connect Logical, the first closed reaction kettle without mixing is connected to the second closed reaction kettle without mixing, the second closed reaction kettle without mixing It is connected to nitrosyl sulfuric acid detection meter, the closed reaction kettle without mixing of the third Zhi Duanyu first of sulfur dioxide gas carrying shield connects It is logical.
The second closed reaction kettle without mixing is connected to sulfur dioxide gas source pipe.
Pipeline between the first closed reaction kettle without mixing and the second closed reaction kettle without mixing is also communicated with First circulation pump, first circulation pump the first closed reaction kettle without mixing of connection.
Also there is second circulation pump between the second closed reaction kettle without mixing and nitrosyl sulfuric acid detection meter, this Two circulating pumps are connected to the second closed reaction kettle without mixing.
The first liquid level is respectively provided in the first closed reaction kettle without mixing and the second closed reaction kettle without mixing Meter and second liquid level gauge.
The beneficial effects of the utility model are: according to heat release size and response characteristic, classification refinement reaction mixed process, if Different reactor is set, does not need stirring, it can be achieved that continuous production, full automatic control is with low investment, and occupied area is small, it is raw It produces high-efficient.
Detailed description of the invention
Fig. 1 is the schematic diagram of the utility model;
1. sulfuric acid measuring tanks, 2. sulfuric acid metering pumps, 3. water measuring tanks, 4. water metering pumps, the metering of 5. nitric acid in figure Tank, 6. nitric acid metering pumps, 7. sulfur dioxide gas carrying shields, 8. first inside spin heat exchangers, 9. second inside spin heat exchangers, 10. the first coil pipe type reactor, 11. second coil pipe type reactors, 12. first closed reaction kettles without mixing, 13. second Closed reaction kettle without mixing, 14. nitrosyl sulfuric acids detection meter, 15. refrigerants, 16. first circulations pump, 17. second circulations Pump, 18. first liquid level gauges, 19. second liquid level gauges, 20. gas flowmeters, 21. nitrosyl sulfuric acid storage tanks.
Specific embodiment
Referring to FIG. 1, the continuous production device of the nitrosyl sulfuric acid in figure, mainly includes sulfuric acid measuring tank 1, water metering Tank 3, sulfur dioxide gas carrying shield 7, the first inside spin heat exchanger 8 being connected to refrigerant 15, is connected to refrigerant 15 nitric acid measuring tank 5 The second inside spin heat exchanger 9, the first coil pipe type reactor 10, the second coil pipe type reactor 11, first it is closed without mixing anti- Answer the closed reaction kettle 13 without mixing of kettle 12, second, nitrosyl sulfuric acid detection meter 14.Above three measuring tank mainly play by The derived effect according to quantity of corresponding substance;Sulfur dioxide gas carrying shield 7 mainly plays the role of sulfur dioxide is derived according to quantity;On Stating two inside spin heat exchangers is mainly to play hybrid reaction while cooling effect;Above-mentioned two coil pipe type reactor is mainly Play the mixing efficiency for increasing the two according to the blending characteristics of gas and liquid;Above-mentioned two closed reaction kettle without mixing is root The second level is carried out with the blending characteristics of liquid according to gas to mix;The object of the mainly detection reaction synthesis of nitrosyl sulfuric acid detection meter 14 Whether matter is qualified.
Sulfuric acid measuring tank 1 mixes by sulfuric acid metering pump 2 and water metering pump 4 respectively with water measuring tank 3 and successively imports first Inside spin heat exchanger 8, the second inside spin heat exchanger 9.Nitric acid measuring tank 1 is changed by nitric acid metering pump 5 in the first inside spin Pipeline connection between hot device 8 and the second inside spin heat exchanger 9 is to make nitric acid and the mixture of sulfuric acid and water mix.
Second inside spin heat exchanger 9 is connected to the first coil pipe type reactor 10, the first Zhi Duanyu of sulfur dioxide gas carrying shield 7 Pipeline connection between the second inside spin heat exchanger 9 and the first coil pipe type reactor 10, makes above-mentioned sulfur dioxide gas in this way Body is mixed with above-mentioned sulfuric acid, water, nitric acid.
First coil pipe type reactor 10 is connected to the second coil pipe type reactor 11, second end of sulfur dioxide gas carrying shield 7 It is connected to the pipeline in the first coil pipe type reactor 10 and the second coil pipe type reactor 11, the second coil pipe type reactor 11 and the One closed reaction kettle 12 without mixing is connected to, and configuration mode in this way realizes the hybrid reaction of above-mentioned several substances.
First closed reaction kettle 12 without mixing is connected to the second closed reaction kettle 13 without mixing, and the second closed nothing is stirred It mixes reaction kettle 13 to be connected to nitrosyl sulfuric acid detection meter 14, the closed nothing of third Zhi Duanyu first of sulfur dioxide gas carrying shield 7 Stirred autoclave 12 is connected to.Second closed reaction kettle 13 without mixing is connected to sulfur dioxide gas source pipe 7.First closed nothing is stirred It mixes the pipeline between reaction kettle 12 and the second closed reaction kettle 13 without mixing and is also communicated with first circulation pump 16, the first circulation 16 the first closed reaction kettle 12 without mixing of connection of pump.Second closed reaction kettle 12 without mixing and nitrosyl sulfuric acid detection meter 14 Between also have second circulation pump 17, the second circulation pump 17 connection the second closed reaction kettles 13 without mixing.First is closed It is respectively provided with first liquid level gauge 18 and second liquid level gauge 19 in reaction kettle 12 and the second closed reaction kettle 13 without mixing without mixing, Configuration mode in this way realizes the multistage hybrid reaction of above-mentioned several substances.
Above-mentioned sulfuric acid, water, nitric acid, sulfur dioxide proportion relation can refer to the prior art.
The continuous production method of nitrosyl sulfuric acid:
A, sulfuric acid is exported by sulfuric acid measuring tank 1 by sulfuric acid metering pump 2, and water is led by water measuring tank 3 by water metering pump 4 Out, sulfuric acid and water mixing after, into 15 first inside spin condenser 8 of refrigerant, after being fully cooled be diluted acid mixture;
B, nitric acid is exported by nitric acid measuring tank 5 by nitric acid metering pump 6, is entered after the mixing of both diluted acid mixture and nitric acid The second inside spin condenser 9 being connected to refrigerant 15 is nitration mixture after being fully cooled;
C, sulfur dioxide is exported by sulfur dioxide gas carrying shield 7 by gas flowmeter 20, after nitration mixture and sulfur dioxide mixing Into the first coil pipe type reactor 10 being connected to refrigerant 15, pre-reaction liquid is formed after sufficiently reacting and being fully cooled;
D, sulfur dioxide is exported by sulfur dioxide gas carrying shield 7 by gas flowmeter 20, and pre-reaction liquid and sulfur dioxide are mixed Enter the second coil pipe type reactor 11 being connected to refrigerant 15 after conjunction, is secondary response after sufficiently reacting and being fully cooled Liquid, into the first closed reaction kettle 12 without mixing;
E, sulfur dioxide also enters the first closed reaction without mixing by gas flowmeter 20 by sulfur dioxide gas carrying shield 7 Kettle 12 beats always circulation by first circulation pump 16, monitors liquid level by the first liquid level meter 18, controlled by the first liquid level meter 18 Secondary response liquid is squeezed into the first closed reaction kettle 12 without mixing by first circulation pump 16 if more than 2/3 liquid level by system, Control reaction solution in the first closed reaction kettle 12 without mixing always in 1/3 liquid level between 2/3 liquid level;
F, it after secondary response liquid enters the second closed reaction kettle 13 without mixing, is beaten always and is followed by second circulation pump 17 Ring, by nitrosyl sulfuric acid detection meter 14 and the second liquid level meter 19, monitoring reaction solution, the second liquid level meter 19 preferentially, detect Asia jointly Nitryl sulfuric acid is formed, and by second circulation pump 17, turns secondary response liquid to nitrosyl sulfuric acid storage tank 21.
To keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, above in conjunction with the utility model Attached drawing in embodiment clearly and completely describes the technical scheme in the embodiment of the utility model, it is clear that retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, the above detailed description to the embodiments of the present invention provided in the accompanying drawings is not intended to limit requirement The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all Belong to the range of the utility model protection.

Claims (5)

1. the continuous production device of nitrosyl sulfuric acid, it is characterised in that: including sulfuric acid measuring tank, water measuring tank, nitric acid metering Tank, sulfur dioxide gas carrying shield, the first inside spin heat exchanger being connected to refrigerant, the second inside spin heat exchanger being connected to refrigerant, First coil pipe type reactor, the second coil pipe type reactor, the first closed reaction kettle without mixing, the second closed reaction without mixing Kettle, nitrosyl sulfuric acid detection meter;Sulfuric acid measuring tank passes through sulfuric acid metering pump with water measuring tank respectively and water metering pump mixes successively Import the first inside spin heat exchanger, the second inside spin heat exchanger;Nitric acid measuring tank is by nitric acid metering pump and in spiral shell in first Pipeline connection between rotation heat exchanger and the second inside spin heat exchanger, the second inside spin heat exchanger and the first coil pipe type reactor connect It is logical, first end of sulfur dioxide gas carrying shield and the pipeline between the second inside spin heat exchanger and the first coil pipe type reactor Connection;First coil pipe type reactor is connected to the second coil pipe type reactor, second of sulfur dioxide gas carrying shield end in the The connection of the pipeline of one coil pipe type reactor and the second coil pipe type reactor, the second coil pipe type reactor and first closed without mixing Reaction kettle connection, the first closed reaction kettle without mixing are connected to the second closed reaction kettle without mixing, and the second closed nothing is stirred It mixes reaction kettle to be connected to nitrosyl sulfuric acid detection meter, the third Zhi Duanyu first of sulfur dioxide gas carrying shield is closed without mixing anti- Kettle is answered to be connected to.
2. the continuous production device of nitrosyl sulfuric acid according to claim 1, it is characterised in that: described second is closed Formula reaction kettle without mixing is connected to sulfur dioxide gas source pipe.
3. the continuous production device of nitrosyl sulfuric acid according to claim 1, it is characterised in that: described first is closed Pipeline between formula reaction kettle without mixing and the second closed reaction kettle without mixing is also communicated with first circulation pump, the first circulation Pump the first closed reaction kettle without mixing of connection.
4. the continuous production device of nitrosyl sulfuric acid according to claim 1, it is characterised in that: described second is closed Also there is second circulation pump, second circulation pump connection second is closed between formula reaction kettle without mixing and nitrosyl sulfuric acid detection meter Formula reaction kettle without mixing.
5. the continuous production device of nitrosyl sulfuric acid according to claim 1, it is characterised in that: described first is closed First liquid level gauge and second liquid level gauge are respectively provided in formula reaction kettle without mixing and the second closed reaction kettle without mixing.
CN201822056867.5U 2018-12-10 2018-12-10 The continuous production device of nitrosyl sulfuric acid Active CN209583635U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822056867.5U CN209583635U (en) 2018-12-10 2018-12-10 The continuous production device of nitrosyl sulfuric acid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822056867.5U CN209583635U (en) 2018-12-10 2018-12-10 The continuous production device of nitrosyl sulfuric acid

Publications (1)

Publication Number Publication Date
CN209583635U true CN209583635U (en) 2019-11-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201822056867.5U Active CN209583635U (en) 2018-12-10 2018-12-10 The continuous production device of nitrosyl sulfuric acid

Country Status (1)

Country Link
CN (1) CN209583635U (en)

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Effective date of registration: 20210108

Address after: 311255 Building 1, Xiawan 2-2, Jianhu village, Puyang Town, Xiaoshan District, Hangzhou City, Zhejiang Province

Patentee after: Zhejiang Daheng New Material Co.,Ltd.

Address before: Pu Yang Zhen Tao Hu Cun, Xiaoshan District, Hangzhou City, Zhejiang Province

Patentee before: HANGZHOU SHENHANG NEW MATERIALS Co.,Ltd.

TR01 Transfer of patent right