CN215540687U - High-efficient nitrous acid sulfuric acid reaction unit - Google Patents

High-efficient nitrous acid sulfuric acid reaction unit Download PDF

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Publication number
CN215540687U
CN215540687U CN202121307063.3U CN202121307063U CN215540687U CN 215540687 U CN215540687 U CN 215540687U CN 202121307063 U CN202121307063 U CN 202121307063U CN 215540687 U CN215540687 U CN 215540687U
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pipe
inlet
circulating
sulfuric acid
reaction
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CN202121307063.3U
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蒋旗明
王晶
杨泽
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Ningxia Ningtai Technology Co ltd
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Ningxia Ningtai Technology Co ltd
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Abstract

The application discloses high-efficient nitrous acid sulfuric acid reaction unit includes: the retort, the upper end of retort is provided with sealed lid, the bottom of retort is provided with the circulation export, sealed covering is provided with the feed inlet, the gas vent, circulation import and agitating unit, be provided with the water jacket on the outer wall of retort, the lower part of water jacket is provided with the water inlet, be connected with the inlet tube on the water inlet, the upper portion of water jacket is provided with the delivery port, be connected with the outlet pipe on the delivery port, be connected with the inlet pipe on the feed inlet, be connected with the blast pipe on the gas vent, be connected with into the trachea on the circulation import, it is provided with venturi to go into tracheal one end, venturi's one end is connected with the circulating pipe, still be provided with the air inlet on the venturi, be connected with the intake pipe on the air inlet, circulating pipe and circulation exit linkage, be provided with the circulating pump on the circulating pipe. The reaction device has high reaction efficiency and high generation speed of the nitrous acid sulfuric acid.

Description

High-efficient nitrous acid sulfuric acid reaction unit
Technical Field
The application relates to the field of chemical equipment, in particular to a high-efficiency nitrous acid and sulfuric acid reaction device.
Background
Nitrous acid sulfuric acid is used as a biological reagent, is porous crystal and has certain corrosivity. The method is mainly used for diazotization reaction of disperse dyes. The nitrous acid sulfuric acid is generated by the reaction of nitric acid/sulfuric acid and sulfur dioxide. In the existing reaction process of the nitrous acid and the sulfuric acid, sulfur dioxide and nitric acid/sulfuric acid are directly introduced into a reactor, so that the reaction efficiency is low, and the generation speed of the nitrous acid and the sulfuric acid is low.
Therefore, the application provides a high-efficiency nitrous acid sulfuric acid reaction device to solve the problems.
SUMMERY OF THE UTILITY MODEL
The application provides a high-efficient nitrous acid sulfuric acid reaction unit, this reaction unit's reaction efficiency is higher, and nitrous acid sulfuric acid's formation speed is very fast.
In order to solve the technical problem, the present application provides a high-efficient nitrous acid sulfuric acid reaction unit, includes: a reaction tank, wherein the upper end of the reaction tank is provided with a sealing cover, the bottom of the reaction tank is provided with a circulating outlet, the sealing cover is provided with a feed inlet, an exhaust port, a circulating inlet and a stirring device, the outer wall of the reaction tank is provided with a water jacket, the lower part of the water jacket is provided with a water inlet, the water inlet is connected with a water inlet pipe, the upper part of the water jacket is provided with a water outlet, the water outlet is connected with a water outlet pipe, the feed inlet is connected with a feed pipe, the exhaust port is connected with an exhaust pipe, the circulating inlet is connected with an air inlet pipe, one end of the air inlet pipe is provided with a Venturi tube, one end of the Venturi tube is connected with a circulating pipe, the venturi tube is further provided with an air inlet, the air inlet is connected with an air inlet pipe, the circulating pipe is connected with the circulating outlet, and the circulating pipe is provided with a circulating pump.
As a further scheme, the method further comprises the following steps: and a manhole is arranged on the reaction tank.
As a further scheme, a standby exhaust port is further arranged on the sealing cover, an exhaust pipe is connected to the standby exhaust port, and an emptying valve is arranged on the exhaust pipe.
As a further scheme, the method further comprises the following steps: the circulating pipe is connected with a discharge pipe, and the discharge pipe is provided with a discharge valve.
As a further scheme, the stirring device comprises a driving motor installed on the sealing cover, a rotating shaft is connected to the driving motor, and a spiral stirring blade is arranged on the rotating shaft.
As a further scheme, the method further comprises the following steps: the emergency water outlet pipe is connected with the water outlet pipe, and an emergency valve is arranged on the emergency water outlet pipe.
Compare in prior art, the nitrous acid sulfuric acid reaction unit that this application provided includes: the retort, the upper end of retort is provided with sealed lid, the bottom of retort is provided with the circulation export, sealed covering is provided with the feed inlet, the gas vent, circulation import and agitating unit, be provided with the water jacket on the outer wall of retort, the lower part of water jacket is provided with the water inlet, be connected with the inlet tube on the water inlet, the upper portion of water jacket is provided with the delivery port, be connected with the outlet pipe on the delivery port, be connected with the inlet pipe on the feed inlet, be connected with the blast pipe on the gas vent, be connected with into the trachea on the circulation import, it is provided with venturi to go into tracheal one end, venturi's one end is connected with the circulating pipe, still be provided with the air inlet on the venturi, be connected with the intake pipe on the air inlet, circulating pipe and circulation exit linkage, be provided with the circulating pump on the circulating pipe.
When the reaction device is used, a nitric acid/sulfuric acid reaction material is added through the feeding pipe, and a Venturi tube arranged on the gas inlet pipe is used as a gas inlet pipeline of sulfur dioxide. The reaction material is conveyed to the venturi tube under the action of the circulating pump and mixed with sulfur dioxide to enter the reaction tank, and the reaction stability is good. Meanwhile, the reaction efficiency is improved because the stirring device stirs the reaction materials and the reaction gas. And the arrangement of the water jacket enables the temperature of the reaction tank to be kept low, so that the reaction efficiency is further improved, and the reaction speed is increased.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments are briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without making any inventive changes.
Fig. 1 is a schematic structural diagram of a reaction apparatus provided in an embodiment of the present invention.
In the figure: the reaction tank comprises a reaction tank 1, a sealing cover 2, a circulation outlet 11, a feed inlet 21, a gas outlet 22, a circulation inlet 23, a water jacket 12, a water inlet 121, a water inlet pipe 122, a water outlet 123, a water outlet pipe 124, a feed pipe 211, a gas outlet 221, a gas inlet pipe 231, a Venturi tube 3, a circulation pipe 33, a gas inlet 31, a gas inlet 32, a circulation pump 311, a manhole 15, a spare gas outlet 26, a emptying pipe 261, a vent valve 262, a discharge pipe 312, a discharge valve 313, a driving motor 241, a rotating shaft 243, a spiral stirring blade 244, a spare water outlet pipe 125 and an emergency valve 126.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments.
Fig. 1 is a schematic structural diagram of a reaction apparatus provided in an embodiment of the present invention. As shown in fig. 1, includes: a reaction tank 1, a sealing cover 2 is arranged at the upper end of the reaction tank 1, a circulating outlet 11 is arranged at the bottom of the reaction tank 1, a feeding port 21 and an exhaust port 22 are arranged on the sealing cover 2, circulation import 23 and agitating unit, be provided with water jacket 12 on the outer wall of retort 1, the lower part of water jacket 12 is provided with water inlet 121, be connected with inlet tube 122 on the water inlet 121, the upper portion of water jacket 12 is provided with delivery port 123, be connected with outlet pipe 124 on the delivery port 123, be connected with inlet pipe 211 on the feed inlet 21, be connected with blast pipe 221 on the gas vent 22, be connected with into trachea 231 on the circulation import 23, the one end of going into trachea 231 is provided with venturi 3, venturi 3's one end is connected with circulating pipe 33, still be provided with air inlet 31 on venturi 3, be connected with intake pipe 32 on the air inlet 31, circulating pipe 33 is connected with circulation export 11, be provided with circulating pump 311 on the circulating pipe 33.
In this embodiment, the sealing cover 2 is provided with a feed port 21 for feeding the nitric acid/sulfuric acid reactant, and a vent port 22 for exhausting the redundant gas during the reaction. A recycling outlet 11 provided at the bottom of the reaction tank 1 serves as a recycling outlet for the reactants in the reaction tank 1. The venturi tube 3 connected to the circulation pipe 33 serves as an inlet for sulfur dioxide, so that the pressure of sulfur dioxide can be more stable, and a flow sensor can be installed to monitor the flow rate in real time.
In this embodiment, in order to observe the reaction state in the reaction tank 1, as a further embodiment, the method further includes: a manhole 15 is arranged on the reaction tank 1. The stirring device arranged on the sealing cover 2 can stir the reaction process, so that the reaction efficiency is increased, and the reaction speed is increased. As a further scheme, the stirring device comprises a driving motor 241 mounted on the sealing cover 2, a rotating shaft 243 is connected to the driving motor 242, and a spiral stirring blade 244 is arranged on the rotating shaft 243.
In the present embodiment, as a further alternative, the sealing cap 2 is further provided with a spare exhaust port 26, an evacuation pipe 261 is connected to the spare exhaust port 26, and the evacuation pipe 261 is provided with an air release valve 262. The evacuation pipe 261 serves as a temporary exhaust line to prevent the occurrence of an emergency exhaust need. The probability of a dangerous event is reduced.
In this embodiment, as a further scheme, the method further includes: a discharge pipe 312 connected to the circulation pipe 33, and a discharge valve 313 provided on the discharge pipe 312. The discharge pipe 312 is used to discharge the reactant in the circulation pipe 33 to prevent the accumulation in the circulation pipe 33.
In this embodiment, a water jacket 12 is disposed on the outer wall of the reaction tank 1, a water inlet 121 is disposed at the lower portion of the water jacket 12, a water inlet pipe 122 is connected to the water inlet 121, a water outlet 123 is disposed at the upper portion of the water jacket 12, and a water outlet pipe 124 is connected to the water outlet 123. As a further scheme, the method further comprises the following steps: the water outlet pipe 124 is connected with a spare water outlet pipe 125, and the spare water outlet pipe 125 is provided with an emergency valve 126.
Compared with the prior art, when the reaction device is used, the nitric acid/sulfuric acid reaction material is added through the feeding pipe, and the Venturi tube arranged on the gas inlet pipe is used as a gas inlet pipeline of sulfur dioxide. The reaction material is conveyed to the venturi tube under the action of the circulating pump and mixed with sulfur dioxide to enter the reaction tank, and the reaction stability is good. Meanwhile, the reaction efficiency is improved because the stirring device stirs the reaction materials and the reaction gas. And the arrangement of the water jacket enables the temperature of the reaction tank to be kept low, so that the reaction efficiency is further improved, and the reaction speed is increased.
In the description of the application, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the application. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice in the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope of the disclosure being indicated by the following claims.
It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The above-described embodiments of the present application do not limit the scope of the present application.

Claims (6)

1. A high-efficient nitrous acid sulfuric acid reaction unit which characterized in that includes: a reaction tank, wherein the upper end of the reaction tank is provided with a sealing cover, the bottom of the reaction tank is provided with a circulating outlet, the sealing cover is provided with a feed inlet, an exhaust port, a circulating inlet and a stirring device, the outer wall of the reaction tank is provided with a water jacket, the lower part of the water jacket is provided with a water inlet, the water inlet is connected with a water inlet pipe, the upper part of the water jacket is provided with a water outlet, the water outlet is connected with a water outlet pipe, the feed inlet is connected with a feed pipe, the exhaust port is connected with an exhaust pipe, the circulating inlet is connected with an air inlet pipe, one end of the air inlet pipe is provided with a Venturi tube, one end of the Venturi tube is connected with a circulating pipe, the venturi tube is further provided with an air inlet, the air inlet is connected with an air inlet pipe, the circulating pipe is connected with the circulating outlet, and the circulating pipe is provided with a circulating pump.
2. The nitrous acid sulfuric acid reaction device according to claim 1, further comprising: and a manhole is arranged on the reaction tank.
3. A nitrous acid sulfuric acid reaction device according to claim 1, wherein the sealing cover is further provided with a spare exhaust port, the spare exhaust port is connected with an exhaust pipe, and the exhaust pipe is provided with a vent valve.
4. The nitrous acid sulfuric acid reaction device according to claim 1, further comprising: the circulating pipe is connected with a discharge pipe, and the discharge pipe is provided with a discharge valve.
5. A nitrous acid sulfuric acid reaction device as claimed in claim 1, wherein the stirring device comprises a driving motor mounted on the sealing cover, a rotating shaft is connected to the driving motor, and a spiral stirring blade is arranged on the rotating shaft.
6. The nitrous acid sulfuric acid reaction device according to claim 1, further comprising: the emergency water outlet pipe is connected with the water outlet pipe, and an emergency valve is arranged on the emergency water outlet pipe.
CN202121307063.3U 2021-06-11 2021-06-11 High-efficient nitrous acid sulfuric acid reaction unit Active CN215540687U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121307063.3U CN215540687U (en) 2021-06-11 2021-06-11 High-efficient nitrous acid sulfuric acid reaction unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121307063.3U CN215540687U (en) 2021-06-11 2021-06-11 High-efficient nitrous acid sulfuric acid reaction unit

Publications (1)

Publication Number Publication Date
CN215540687U true CN215540687U (en) 2022-01-18

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ID=79816681

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121307063.3U Active CN215540687U (en) 2021-06-11 2021-06-11 High-efficient nitrous acid sulfuric acid reaction unit

Country Status (1)

Country Link
CN (1) CN215540687U (en)

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