CN216336601U - Sodium chlorite liquid preparation device capable of improving hydrogen peroxide utilization rate - Google Patents
Sodium chlorite liquid preparation device capable of improving hydrogen peroxide utilization rate Download PDFInfo
- Publication number
- CN216336601U CN216336601U CN202120695307.3U CN202120695307U CN216336601U CN 216336601 U CN216336601 U CN 216336601U CN 202120695307 U CN202120695307 U CN 202120695307U CN 216336601 U CN216336601 U CN 216336601U
- Authority
- CN
- China
- Prior art keywords
- primary
- liquid
- communicated
- hydrogen peroxide
- absorption tower
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Treating Waste Gases (AREA)
Abstract
The sodium chlorite liquid preparation device capable of improving the hydrogen peroxide utilization rate comprises a primary absorption tower, wherein the lower part of the primary absorption tower is communicated with an air outlet of a chlorine dioxide gas conveying pipe, the upper part of the primary absorption tower is communicated with an air inlet of a chlorine dioxide gas discharge pipe, the bottom of the primary absorption tower is communicated with a liquid inlet of a primary sodium chlorite solution discharge pipe, a liquid outlet of the primary discharge pipe is communicated with a primary pump groove, an air outlet of the chlorine dioxide gas discharge pipe is communicated with the lower part of a secondary absorption tower, a gas discharge port is arranged at the upper part of the secondary absorption tower, a raw material caustic soda solution is added into the primary pump groove and the secondary pump groove, and a raw material hydrogen peroxide solution is added into the primary absorption tower or a primary absorption liquid circulating conveying pipe, the secondary absorption tower or a secondary absorption liquid circulating conveying pipe. The device for preparing the sodium chlorite liquid can effectively improve the utilization rate of hydrogen peroxide, improve the yield of a sodium chlorite solution product and reduce the production cost.
Description
Technical Field
The utility model relates to a sodium chlorite liquid preparation device capable of improving the utilization rate of hydrogen peroxide.
Background
The countercurrent reaction and absorption of gas-liquid two-phase chemical media in a packed tower is one of the most basic chemical unit operations. Liquid sodium chlorite NaCIO2The production and preparation are also carried out in this way. Sodium chlorite NaCIO2The production is carried out by using hydrogen peroxide H2O2And caustic soda NaOH solution and chlorine dioxide CIO2Gas is reacted and absorbed to obtain a product of sodium chlorite NaCIO2The solution is absorbed by chemical reaction. The reaction is absorbed by three raw materials, namely hydrogen peroxide H2O2Caustic soda NaOH solution and chlorine dioxide CIO2The gas reacts at the same time to obtain the product sodium chlorite NaCIO2Solution, if hydrogen peroxide H in the raw material solution2O2The adding sequence or adding position of the caustic soda NaOH solution is improper, and the caustic soda NaOH can promote the hydrogen peroxide H2O2The decomposition (side reaction) is intensified, which causes the consumption and waste of raw materials and seriously reduces the sodium chlorite NaCIO2The yield of the solution is high, and even the product sodium chlorite NaCIO can not be produced2And (3) solution. And due to improper adding sequence and adding position of the raw materials, one of the raw materials, namely hydrogen peroxide, can be decomposed in advance, so that the utilization rate is low, the waste is large, the yield is low, the production cost is high, and the utilization rate is low.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems and the defects of the adding sequence and the adding position of the raw material liquid in the existing sodium chlorite preparation reaction, the utility model provides the sodium chlorite liquid preparation device which can effectively improve the utilization rate of hydrogen peroxide, improve the yield of the sodium chlorite solution and reduce the production cost and can improve the utilization rate of hydrogen peroxide.
The utility model relates to a sodium chlorite liquid preparation device capable of improving the utilization rate of hydrogen peroxide, which comprises a primary absorption tower, wherein the lower part of the primary absorption tower is communicated with an air outlet of a chlorine dioxide gas conveying pipe, the upper part of the primary absorption tower is communicated with an air inlet of a chlorine dioxide gas discharge pipe, the bottom of the primary absorption tower is communicated with a liquid inlet of a primary discharge pipe of sodium chlorite solution, a liquid outlet of the primary discharge pipe is communicated with a primary pump groove, an air outlet of the chlorine dioxide gas discharge pipe is communicated with the lower part of a secondary absorption tower, the upper part of the secondary absorption tower is provided with a gas discharge port, the bottom of the secondary absorption tower is communicated with a liquid inlet of a secondary discharge pipe of sodium chlorite solution, and a liquid outlet of the secondary discharge pipe is communicated with the secondary pump groove;
the upper part in the first-stage absorption tower is provided with a first-stage mixed liquid distributor and a first-stage hydrogen peroxide distributor, the liquid inlet of the first-stage mixed liquid distributor is communicated with the liquid outlet of the first-stage pipeline mixer through a pipeline, the liquid inlet of the first-stage pipeline mixer is communicated with one liquid outlet of the first-stage hydrogen peroxide conveying pipe and the liquid outlet of the first-stage absorption liquid circulating conveying pipe, the first-stage absorption liquid circulating conveying pipe is connected with a first-stage cooler in series, and the first-stage hydrogen peroxide distributor is communicated with the other liquid outlet of the first-stage hydrogen peroxide conveying pipe;
a second-stage mixed liquid distributor and a second-stage hydrogen peroxide distributor are arranged at the upper part in the second-stage absorption tower, a liquid inlet of the second-stage mixed liquid distributor is communicated with a liquid outlet of a second-stage pipeline mixer through a pipeline, a liquid inlet of the second-stage pipeline mixer is communicated with a liquid outlet of a second-stage hydrogen peroxide conveying pipe and a liquid outlet of a second-stage absorption liquid circulating conveying pipe, a second-stage cooler is connected in series on the second-stage absorption liquid circulating conveying pipe, and the second-stage hydrogen peroxide distributor is communicated with the other liquid outlet of the second-stage hydrogen peroxide conveying pipe; the liquid inlet of the primary absorption liquid circulating conveying pipe is communicated with the lower part of the primary pump groove, and a primary circulating pump is connected on the primary absorption liquid circulating conveying pipe in series; and a liquid inlet of the secondary absorption liquid circulating conveying pipe is communicated with the lower part of the secondary pump tank, and a secondary circulating pump is connected in series on the secondary absorption liquid circulating conveying pipe.
Preferably, the primary pump groove is communicated with a liquid outlet of the primary caustic soda solution conveying pipe, and the secondary pump groove is communicated with a liquid outlet of the secondary caustic soda solution conveying pipe.
Preferably, a gas outlet at the upper part of the secondary absorption tower is communicated with a gas inlet of a tail gas discharge pipe, and the middle part of the tail gas discharge pipe is connected in series with a fan.
Preferably, the lower part of the primary pump groove is communicated with a liquid inlet of a primary sodium chlorite solution delivery pipe, the middle part of the primary sodium chlorite solution delivery pipe is connected in series with a primary infusion pump, the lower part of the secondary pump groove is communicated with a liquid inlet of a secondary sodium chlorite solution delivery pipe, and the middle part of the secondary sodium chlorite solution delivery pipe is connected in series with a secondary infusion pump.
Preferably, the primary mixed liquid distributor is positioned above the primary hydrogen peroxide distributor, and the secondary mixed liquid distributor is positioned above the secondary hydrogen peroxide distributor.
Compared with the prior art, the utility model has the beneficial effects that:
according to the technical scheme, as the caustic soda is added into the primary pump tank and the secondary pump tank in advance, meanwhile, one path of hydrogen peroxide and the caustic soda are added into the primary absorption tower and the secondary absorption tower separately, and the other path of hydrogen peroxide and the caustic soda immediately enter the primary absorption tower and the secondary absorption tower after being mixed through the pipeline mixer, the problems that if the adding sequence or the adding position of the hydrogen peroxide and the caustic soda in the raw material liquid is improper, the caustic soda can promote the decomposition (side reaction) of the hydrogen peroxide, the consumption of the raw material is increased and wasted, the yield of the sodium chlorite solution is reduced, and even the product sodium chlorite solution cannot be produced are solved, and the problems that the utilization rate of the hydrogen peroxide in a sodium chlorite liquid production device is low, the production cost is high, the production efficiency is low, the yield is low, and the practicability is low are solved. Therefore, the sodium chlorite liquid preparation device capable of improving the utilization rate of hydrogen peroxide has the characteristics of effectively improving the utilization rate of hydrogen peroxide, improving the yield of a sodium chlorite solution product and reducing the production cost.
The utility model is described in detail below with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is a working schematic diagram of a sodium chlorite liquid preparation device capable of improving the utilization rate of hydrogen peroxide.
Detailed Description
As shown in fig. 1, the device for preparing sodium chlorite liquid capable of improving the hydrogen peroxide utilization rate comprises a primary absorption tower 1, wherein the lower part of the primary absorption tower 1 is communicated with an air outlet of a chlorine dioxide gas conveying pipe 2, the upper part of the primary absorption tower 1 is communicated with an air inlet of a chlorine dioxide gas discharge pipe 25, the bottom of the primary absorption tower 1 is communicated with a liquid inlet of a primary sodium chlorite solution discharge pipe 3, a liquid outlet of the primary discharge pipe 3 is communicated with a primary pump tank 4, an air outlet of the chlorine dioxide gas discharge pipe 25 is communicated with the lower part of a secondary absorption tower 5, a gas discharge port 18 is arranged at the upper part of the secondary absorption tower 5, the gas discharge port 18 is connected to a tail gas fan 27 through a tail gas discharge pipe 26 for emptying, the bottom of the secondary absorption tower 5 is communicated with a liquid inlet of a secondary sodium chlorite solution discharge pipe 6, and a liquid outlet of the secondary discharge pipe 6 is communicated with a secondary pump tank 7;
when in use, the first-stage absorption liquid circulating delivery pipe 11 is connected with a first-stage circulating pump 19, a first-stage cooler 16 and a first-stage pipeline mixer 9 in series, and the second-stage absorption liquid circulating delivery pipe 15 is connected with a second-stage circulating pump 20, a second-stage cooler 17 and a second-stage pipeline mixer 13 in series; the raw material caustic soda solution is added into the primary pump tank 4 through a caustic soda delivery pipe 21 and is added into the secondary pump tank 7 through a caustic soda delivery pipe 22, and the raw material hydrogen peroxide is added into the primary absorption tower 1, the primary absorption liquid circulating delivery pipe 11, the secondary absorption tower 5 and the secondary absorption liquid circulating delivery pipe 15 through a primary hydrogen peroxide delivery pipe 10 and a secondary hydrogen peroxide delivery pipe 14.
A primary mixed liquid distributor 8 and a primary hydrogen peroxide distributor 23 are arranged at the upper part in the primary absorption tower 1, a liquid inlet of the primary mixed liquid distributor 8 is communicated with a liquid outlet of a primary pipeline mixer 9 through a pipeline, a liquid inlet of the primary pipeline mixer 9 is communicated with a liquid outlet of a primary hydrogen peroxide conveying pipe 10 and a liquid outlet of a primary absorption liquid circulating conveying pipe 11, a primary cooler 16 is connected in series on the primary absorption liquid circulating conveying pipe 11, and the primary hydrogen peroxide distributor 23 is communicated with the other liquid outlet of the primary hydrogen peroxide conveying pipe 10;
a secondary mixed liquid distributor 12 and a secondary hydrogen peroxide distributor 24 are arranged at the upper part in the secondary absorption tower 5, a liquid inlet of the secondary mixed liquid distributor 12 is communicated with a liquid outlet of a secondary pipeline mixer 13 through a pipeline, a liquid inlet of the secondary pipeline mixer 13 is communicated with a liquid outlet of a secondary hydrogen peroxide conveying pipe 14 and a liquid outlet of a secondary absorption liquid circulating conveying pipe 15, a secondary cooler 17 is connected in series on the secondary absorption liquid circulating conveying pipe 15, and the secondary hydrogen peroxide distributor 24 is communicated with the other liquid outlet of the secondary hydrogen peroxide conveying pipe 14; a liquid inlet of the primary absorption liquid circulating conveying pipe 11 is communicated with the lower part of the primary pump groove 4, and a primary circulating pump 19 is connected in series on the primary absorption liquid circulating conveying pipe 11; a liquid inlet of the secondary absorption liquid circulating conveying pipe 15 is communicated with the lower part of the secondary pump groove 7, and a secondary circulating pump 20 is connected in series on the secondary absorption liquid circulating conveying pipe 15.
As a further improvement of the utility model, the primary pump tank 4 is communicated with the liquid outlet of the primary caustic soda solution conveying pipe 21, and the secondary pump tank 7 is communicated with the liquid outlet of the secondary caustic soda solution conveying pipe 22. Therefore, the raw material caustic soda is directly added into the corresponding primary pump tank 4 and the corresponding secondary pump tank 7 through the primary caustic soda solution conveying pipe 21 and the secondary caustic soda solution conveying pipe 22.
As a further improvement of the utility model, the gas outlet 18 at the upper part of the secondary absorption tower 5 is communicated with the gas inlet of the tail gas discharge pipe 26, and the middle part of the tail gas discharge pipe 26 is connected in series with a fan 27.
As a further improvement of the utility model, the lower part of the primary pump tank 4 is communicated with the liquid inlet of a primary sodium chlorite solution leading-out pipe 28, the middle part of the primary sodium chlorite solution leading-out pipe 28 is connected in series with a primary infusion pump 29, the lower part of the secondary pump tank 7 is communicated with the liquid inlet of a secondary sodium chlorite solution leading-out pipe 30, and the middle part of the secondary sodium chlorite solution leading-out pipe 30 is connected in series with a secondary infusion pump 31.
As a further improvement of the present invention, the primary mixed liquid distributor 8 is located above the primary hydrogen peroxide distributor 23, and the secondary mixed liquid distributor 12 is located above the secondary hydrogen peroxide distributor 24.
When the sodium chlorite liquid preparation device capable of improving the hydrogen peroxide utilization rate is used, the sodium hydroxide NaOH solution serving as the raw material is required to be respectively added into the primary pump tank 4 and the secondary pump tank 7 in advance according to the production proportioning requirement, the chlorine dioxide gas outside the world is utilized to convey the chlorine dioxide gas to the lower part of the primary absorption tower 1 through the chlorine dioxide gas discharge pipe 25 and the conveying pipe 2, the hydrogen peroxide serving as the raw material is utilized to directly convey the hydrogen peroxide to the primary hydrogen peroxide distributor 23 in the primary absorption tower 1 through the primary hydrogen peroxide conveying pipe 10 (divided into 2 paths), one path of hydrogen peroxide is directly conveyed to the primary hydrogen peroxide distributor 23, the hydrogen peroxide is directly and uniformly sprayed downwards into the primary absorption tower 1 through the primary hydrogen peroxide distributor 23, meanwhile, the other path of the primary hydrogen peroxide conveying pipe 10 is utilized to convey the hydrogen peroxide to the liquid inlet of the primary pipeline mixer 9, and the circulating absorption liquid is conveyed to the liquid inlet of the primary pipeline mixer 9 through the primary absorption liquid circulating conveying pipe 11, the circulating absorption liquid contains residual sodium hydroxide NaOH which is not completely reacted, the absorption liquid and hydrogen peroxide are mixed in a primary pipeline mixer 9 and then enter a primary mixed liquid distributor 8, and then the mixed liquid of the hydrogen peroxide and the absorption liquid is uniformly sprayed downwards into the primary absorption tower 1 through the primary mixed liquid distributor 8.
The chlorine dioxide gas flowing upwards in the first-stage absorption tower 1 can be absorbed by the liquid mixed by hydrogen peroxide flowing downwards and circulating absorption liquid, namely, hydrogen peroxide uniformly sprayed downwards from a first-stage hydrogen peroxide distributor 23 in the first-stage absorption tower 1 and large-circulation-amount absorption liquid sprayed downwards from an upper first-stage mixed liquid distributor 8 (containing caustic soda NaOH) in the first-stage absorption tower 1 flow downwards in parallel, the hydrogen peroxide is diluted and mixed by the circulating absorption liquid and is contacted with the chlorine dioxide gas flowing upwards in the first-stage absorption tower 1 in a counter-current manner to generate the following chemical reaction (absorption):
2ClO2+H2O2+2NaOH→2NaClO2+2H2O+O2↑
the solution containing NaClO2 obtained by the reaction, in which residual unreacted caustic soda and hydrogen peroxide are dissolved, flows back to the primary pump tank 4 through the primary discharge pipe 3, and is continuously conveyed back to the primary absorption tower 1 through the primary absorption liquid conveying pipe 11, the primary circulating pump 19, the primary cooler and the primary pipeline mixer 9 to participate in the circulating reaction.
Chlorine dioxide gas which is not absorbed in the primary absorption tower 1 is conveyed to the lower part of the secondary absorption tower 5 through a chlorine dioxide gas discharge pipe 25, then a secondary hydrogen peroxide conveying pipe 14 (also divided into 2 paths) is utilized, one path directly conveys hydrogen peroxide to a secondary hydrogen peroxide distributor 24 in the secondary absorption tower 5, the hydrogen peroxide is directly and uniformly sprayed into the secondary absorption tower 5 downwards through the secondary hydrogen peroxide distributor 24, the other path simultaneously conveys the hydrogen peroxide to a liquid inlet of a secondary pipeline mixer 13 through the secondary hydrogen peroxide conveying pipe 14, circulating absorption liquid is conveyed to a liquid inlet of the secondary pipeline mixer 13 through a secondary absorption liquid circulating conveying pipe 15, the circulating absorption liquid contains residual sodium hydroxide NaOH which is not completely reacted, the absorption liquid and the hydrogen peroxide are mixed in the secondary pipeline mixer 13 and then enter the secondary mixed liquid distributor 12, and then the liquid obtained by mixing the hydrogen peroxide and the absorption liquid is uniformly and downwards sprayed to the secondary absorption tower through the secondary mixed liquid distributor 12 And the tower 5 is collected.
The chlorine dioxide gas flowing upwards in the secondary absorption tower 5 is absorbed by the liquid mixed by hydrogen peroxide flowing downwards and circulating absorption liquid, namely, the hydrogen peroxide sprayed downwards from the secondary hydrogen peroxide distributor 24 in the secondary absorption tower 5 and the absorption liquid (containing caustic soda NaOH) sprayed downwards from the secondary mixed liquid distributor 12 at the upper part in the secondary absorption tower 5 have large circulating amount and flow downwards in parallel, the hydrogen peroxide is diluted and mixed by the circulating absorption liquid and simultaneously contacts with the chlorine dioxide gas flowing upwards in the secondary absorption tower 5 in a counter-current way, and the following chemical reactions (absorption) occur:
2ClO2+H2O2+2NaOH→2NaClO2+2H2O+O2↑
obtained by the reaction and containing NaClO2The solution of (2) can be dissolved with residual unreacted caustic soda and hydrogen peroxide, and flows back to the secondary pump tank 7 through the secondary discharge pipe 6, and is continuously conveyed back to the secondary absorption tower 5 through the secondary absorption liquid conveying pipe 15, the secondary circulating pump 20, the secondary cooler 17 and the secondary pipeline mixer 13 to participate in the circulating reaction.
When most of the caustic soda in the primary pump tank 4 and the secondary pump tank 7 is converted into sodium chlorite through reaction, the solution in the primary pump tank 4 and the secondary pump tank 7 can be led out as a sodium chlorite product.
The technical scheme of the utility model is that caustic soda is added into the first-stage pump tank 4 and the second-stage pump tank in advanceIn the pump tank 7, one way is to add hydrogen peroxide and caustic soda separately, the two are added asynchronously, the hydrogen peroxide adding position is different from the caustic soda adding position: hydrogen peroxide is directly added into the first-stage absorption tower 1 and the second-stage absorption tower 5, and the other path is or is mixed with the circulating absorption liquid through a pipeline mixer and then immediately enters the first-stage absorption tower 1 and the second-stage absorption tower 5, so that the problems that the hydrogen peroxide and the caustic soda solution in the raw material liquid are added in improper sequence or at improper adding positions, the caustic soda NaOH can promote the decomposition (side reaction) of the hydrogen peroxide to be intensified, the consumption of the raw material is increased and the waste is caused are solved, and the sodium chlorite NaCIO is reduced2The yield of the solution is high, and even the product sodium chlorite NaCIO can not be produced2The solution further solves the problems of low utilization rate of hydrogen peroxide, high production cost, low production efficiency, low yield and low practicability in a sodium chlorite liquid production device. Therefore, the sodium chlorite liquid preparation device capable of improving the utilization rate of hydrogen peroxide has the characteristics of effectively improving the utilization rate of hydrogen peroxide, improving the yield of a sodium chlorite solution product and reducing the production cost.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (5)
1. Can improve sodium chlorite liquid preparation facilities of hydrogen peroxide solution utilization ratio, characterized by: the device comprises a primary absorption tower (1), wherein the lower part of the primary absorption tower (1) is communicated with an air outlet of a chlorine dioxide gas conveying pipe (2), the upper part of the primary absorption tower (1) is communicated with an air inlet of a chlorine dioxide gas discharge pipe (25), the bottom of the primary absorption tower (1) is communicated with a liquid inlet of a primary sodium chlorite solution discharge pipe (3), a liquid outlet of the primary discharge pipe (3) is communicated with a primary pump groove (4), an air outlet of the chlorine dioxide gas discharge pipe (25) is communicated with the lower part of a secondary absorption tower (5), a gas discharge port (18) is arranged on the upper part of the secondary absorption tower (5), the bottom of the secondary absorption tower (5) is communicated with a liquid inlet of a secondary sodium chlorite solution discharge pipe (6), and a liquid outlet of the secondary discharge pipe (6) is communicated with a secondary pump groove (7);
a primary mixed liquid distributor (8) and a primary hydrogen peroxide distributor (23) are arranged at the upper part in the primary absorption tower (1), a liquid inlet of the primary mixed liquid distributor (8) is communicated with a liquid outlet of the primary pipeline mixer (9) through a pipeline, a liquid inlet of the primary pipeline mixer (9) is communicated with a liquid outlet of the primary hydrogen peroxide conveying pipe (10) and a liquid outlet of the primary absorption liquid circulating conveying pipe (11), a primary cooler (16) is connected in series on the primary absorption liquid circulating conveying pipe (11), and the primary hydrogen peroxide distributor (23) is communicated with the other liquid outlet of the primary hydrogen peroxide conveying pipe (10);
a secondary mixed liquid distributor (12) and a secondary hydrogen peroxide distributor (24) are arranged at the upper part in the secondary absorption tower (5), a liquid inlet of the secondary mixed liquid distributor (12) is communicated with a liquid outlet of a secondary pipeline mixer (13) through a pipeline, a liquid inlet of the secondary pipeline mixer (13) is communicated with a liquid outlet of a secondary hydrogen peroxide conveying pipe (14) and a liquid outlet of a secondary absorption liquid circulating conveying pipe (15), a secondary cooler (17) is connected in series on the secondary absorption liquid circulating conveying pipe (15), and the secondary hydrogen peroxide distributor (24) is communicated with the other liquid outlet of the secondary hydrogen peroxide conveying pipe (14); a liquid inlet of the primary absorption liquid circulating conveying pipe (11) is communicated with the lower part of the primary pump groove (4), and a primary circulating pump (19) is connected in series on the primary absorption liquid circulating conveying pipe (11); a liquid inlet of the secondary absorption liquid circulating conveying pipe (15) is communicated with the lower part of the secondary pump groove (7), and a secondary circulating pump (20) is connected in series on the secondary absorption liquid circulating conveying pipe (15).
2. The apparatus for preparing sodium chlorite liquid capable of improving the utilization rate of hydrogen peroxide as claimed in claim 1, which is characterized in that: the primary pump groove (4) is communicated with the liquid outlet of the primary caustic soda solution conveying pipe (21), and the secondary pump groove (7) is communicated with the liquid outlet of the secondary caustic soda solution conveying pipe (22).
3. The apparatus for preparing sodium chlorite liquid capable of improving the utilization rate of hydrogen peroxide as claimed in claim 2, which is characterized in that: and a gas outlet (18) at the upper part of the secondary absorption tower (5) is communicated with a gas inlet of a tail gas discharge pipe (26), and the middle part of the tail gas discharge pipe (26) is connected in series with a fan (27).
4. The apparatus for preparing sodium chlorite liquid capable of improving the utilization rate of hydrogen peroxide as claimed in claim 3, which is characterized in that: the lower part of the primary pump groove (4) is communicated with a liquid inlet of a primary sodium chlorite solution leading-out pipe (28), a primary infusion pump (29) is connected in series with the middle part of the primary sodium chlorite solution leading-out pipe (28), the lower part of the secondary pump groove (7) is communicated with a liquid inlet of a secondary sodium chlorite solution leading-out pipe (30), and a secondary infusion pump (31) is connected in series with the middle part of the secondary sodium chlorite solution leading-out pipe (30).
5. The apparatus for preparing sodium chlorite liquid capable of improving the utilization rate of hydrogen peroxide as claimed in claim 4, which is characterized in that: the primary mixed liquid distributor (8) is positioned above the primary hydrogen peroxide distributor (23), and the secondary mixed liquid distributor (12) is positioned above the secondary hydrogen peroxide distributor (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120695307.3U CN216336601U (en) | 2021-04-06 | 2021-04-06 | Sodium chlorite liquid preparation device capable of improving hydrogen peroxide utilization rate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120695307.3U CN216336601U (en) | 2021-04-06 | 2021-04-06 | Sodium chlorite liquid preparation device capable of improving hydrogen peroxide utilization rate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216336601U true CN216336601U (en) | 2022-04-19 |
Family
ID=81128362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120695307.3U Active CN216336601U (en) | 2021-04-06 | 2021-04-06 | Sodium chlorite liquid preparation device capable of improving hydrogen peroxide utilization rate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216336601U (en) |
-
2021
- 2021-04-06 CN CN202120695307.3U patent/CN216336601U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202226657U (en) | Production system for preparing hydrochloric acid by absorbing hydrogen chloride | |
| CN204174289U (en) | There is the sodium chlorate electrolyzer of natural circulation function | |
| CN216336601U (en) | Sodium chlorite liquid preparation device capable of improving hydrogen peroxide utilization rate | |
| CN102491276B (en) | Method for producing sodium hypochlorite through adding alkali twice | |
| CN101544354A (en) | A method for preparing clo2 using combined BSC reducing reagent | |
| CN205347592U (en) | Processing apparatus is decomposed with light salt aquatic chlorate to electrolysis | |
| CN1177755C (en) | Preparation equipment of high-purity chlorinedioxide stable liquor and its preparation process | |
| CN104592062B (en) | A kind of beta-naphthalenesulfonic-acid neutralizes and waste gas recovery method of comprehensive utilization and device thereof continuously | |
| CN208279314U (en) | A kind of chlorohydrination epoxides production hypochlorous acid preparation facilities | |
| CN107902627B (en) | High-purity chlorine dioxide generator | |
| CN217511825U (en) | Novel sodium hypochlorite generation device | |
| CN201999732U (en) | Device for producing sodium hypochlorite | |
| CN104891443B (en) | The gas-liquid of a kind of pure chlorine dioxide is automatically separated preparation facilities and preparation method | |
| CN107010599B (en) | Sodium hypochlorite continuous production device | |
| CN209685326U (en) | It is a kind of for handling the recyclable device of ammonia still process tail gas | |
| CN215101989U (en) | Sodium hypochlorite production device | |
| CN112299943A (en) | Acetylene cleaning device and method in vinyl acetate production process | |
| CN207694776U (en) | A kind of chlorine dioxide with high purity reactor | |
| CN206837925U (en) | A kind of new and effective sodium hydrogensulfite chemicals dosing plant | |
| CN207324746U (en) | A kind of drawing mechanism of versatic acid synthesis | |
| CN221217418U (en) | Byproduct salt recovery device in production of hydrazine hydrate by urea method | |
| CN101456596B (en) | Reactor suitable for sulphur dioxide gas leach manganese dioxide ore | |
| CN216137189U (en) | Preparation facilities of copper nitrate | |
| CN101323440A (en) | Pipeline reactor and method for synthesizing hydrazine hydrate by using the same | |
| CN219682168U (en) | Hydrogen peroxide desulfurization device for realizing secondary desulfurization by single tower |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |