CN216259884U - Purification treatment device for zinc sulfate oxidation leaching processing - Google Patents

Abstract

The application discloses zinc sulfate oxidation leaches processing and uses purification unit, includes: leaching jar, the upper end of leaching jar is connected with out the dirt pipe through first fan, it is connected with the air inlet of spray column one side to go out the dirt pipe, the liquid outlet of spray column opposite side passes through the drain pipe and is connected with the lye tank, the upper end of lye tank is connected with the feed liquor pipe through the drain pump, be connected with the shower that stretches into in the spray column on the feed liquor pipe, a plurality of rotatory nozzles are installed to the equidistance on the shower, the upper end of spray column is connected with the intake pipe, the intake pipe is connected with the active carbon adsorption tank, the active carbon adsorption tank passes through the second fan and is connected with the outlet duct. This processing apparatus has solved and has now directly discharged the problem that can influence operating personnel's physical and mental health, causes harmful effects for the environment at gaseous and dust that zinc sulfate solution produced.

Description

Purification treatment device for zinc sulfate oxidation leaching processing

Technical Field

The application relates to the technical field of purification treatment equipment, in particular to a purification treatment device for zinc sulfate oxidation leaching processing.

Background

The existing zinc sulfate solution preparation process flow is to put the zinc hypoxide raw material into a reaction tank, wet with water, add concentrated sulfuric acid for medium acid leaching, leach zinc solution for oxidation reduction with hydrogen peroxide, zinc powder replacement purification and other processes to prepare qualified zinc sulfate solution. In the acid leaching process of concentrated sulfuric acid, harmful gases such as sulfur dioxide and hydrogen and a small amount of dust are generated. The direct discharge of these gases and dust into the air can affect the physical and mental health of the operators and have a negative impact on the environment.

Therefore, the application provides a zinc sulfate oxidation leaches processing and uses purification unit solves above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The application provides a zinc sulfate oxidation leaches purification unit for processing has solved and has now directly discharged the physical and mental health that can influence operating personnel to the air at gaseous and dust that zinc sulfate solution produced, causes the problem of harmful effects for the environment.

In order to solve the technical problem, the application provides a zinc sulfate oxidation leaches processing and uses purification unit includes: leaching jar, the upper end of leaching jar is connected with out the dirt pipe through first fan, it is connected with the air inlet of spray column one side to go out the dirt pipe, the liquid outlet of spray column opposite side passes through the drain pipe and is connected with the lye tank, the upper end of lye tank is connected with the feed liquor pipe through the drain pump, be connected with on the feed liquor pipe and stretch into shower in the spray column, a plurality of rotatory nozzles are installed to the equidistance on the shower, the upper end of spray column is connected with the intake pipe, the intake pipe is connected with the active carbon adsorption tank, the active carbon adsorption tank passes through the second fan and is connected with the outlet duct.

Further, the height of the air inlet is larger than that of the liquid outlet.

Furthermore, the spray tower comprises a first cavity, a second cavity, a third cavity and a top cover, wherein the first cavity is connected with the second cavity, the second cavity is connected with the third cavity, and the third cavity is connected with the top cover through flanges.

Furthermore, the first cavity, the second cavity and the third cavity are all provided with observation windows.

Further, be provided with a plurality of filters in the active carbon adsorption case, set up the filtration pore on the filter, just it sets up to cross to filter the pore.

Further, the air outlet pipe is fixed through a support.

Furthermore, a chute is arranged at the bottom of the spray tower, the high end of the chute is positioned at the air inlet, and the low end of the chute is positioned at the liquid outlet.

Compare in prior art, the application provides a zinc sulfate oxidation leaches processing and uses purification unit, includes: leaching jar, the upper end of leaching jar is connected with out the dirt pipe through first fan, it is connected with the air inlet of spray column one side to go out the dirt pipe, the liquid outlet of spray column opposite side passes through the drain pipe and is connected with the lye tank, the upper end of lye tank is connected with the feed liquor pipe through the drain pump, be connected with the shower that stretches into in the spray column on the feed liquor pipe, a plurality of rotatory nozzles are installed to the equidistance on the shower, the upper end of spray column is connected with the intake pipe, the intake pipe is connected with the active carbon adsorption tank, the active carbon adsorption tank passes through the second fan and is connected with the outlet duct.

When the purification treatment device is used, gas to be purified is sucked into the spray tower, alkali liquor is filled into the alkali liquor tank, the gas to be purified is subjected to counter-flow spray washing by the alkali liquor, washing liquid can enter the alkali liquor tank again to be recycled, the washed gas enters the activated carbon adsorption box, the activated carbon is used for carrying out adsorption treatment on harmful substances again, and the gas after the adsorption treatment is discharged after the gas outlet pipe.

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 processing apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a spray tower according to an embodiment of the present invention;

fig. 3 is a schematic structural view of an activated carbon adsorption tank according to an embodiment of the present invention.

In the figure: 1 leaches jar, 11 first fans, 12 play dirt pipes, 2 spray towers, 21 air inlets, 22 liquid outlets, 3 drain pipes, 4 lye tanks, 41 liquid outlet pumps, 42 liquid inlet pipes, 43 spray pipes, 44 rotatory nozzle, 5 intake pipes, 6 activated carbon adsorption tanks, 61 second fans, 62 air outlet pipes, 23 first cavity, 24 second cavity, 25 third cavity, 26 top cap, 251 observation window, 61 filter, 612 filtration pore, 621 support, 28 chute, 63 chamber door.

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 processing apparatus according to an embodiment of the present invention; FIG. 2 is a schematic diagram of a spray tower according to an embodiment of the present invention; fig. 3 is a schematic structural view of an activated carbon adsorption tank according to an embodiment of the present invention. As shown in fig. 1-3, comprising: leaching tank 1, the upper end of leaching tank 1 is connected with out dirt pipe 12 through first fan 11, it is connected with the air inlet 21 of spray column 2 one side to go out dirt pipe 12, the liquid outlet 22 of 2 opposite sides of spray column is connected with lye tank 4 through drain pipe 3, lye tank 4's upper end is connected with feed liquor pipe 42 through drain pump 41, be connected with the shower 43 that stretches into in spray column 2 on the feed liquor pipe 42, a plurality of rotatory nozzle 44 are installed to the equidistance on shower 43, the upper end of spray column 2 is connected with intake pipe 5, intake pipe 5 is connected with active carbon adsorption tank 6, active carbon adsorption tank 6 is connected with outlet duct 62 through second fan 61.

In detail, the leaching tank 1 is used for preparing zinc sulfate by leaching sulfuric acid, the leaching tank 1 is an existing reaction tank, and gas and dust reacted from the upper end of the leaching tank 1 are sucked out by the first fan 11 and enter the spray tower 2 from the bottom of the spray tower 2 through the dust outlet pipe. The spray pipe 43 installed above the spray tower 2 can spray the harmful gas flowing upward downward. And the rotary spray head 44 arranged on the spray pipe 43 can improve the spraying efficiency. Meanwhile, the spraying liquid is alkali liquor filled in the alkali liquor tank 4, and the washing effect on dust, sulfur dioxide and other harmful substances is better. The spraying liquid enters the lye tank 4 again through the liquid outlet 22 at the bottom of the spray tower 2 for cyclic utilization. Further, the height of the gas inlet 21 is greater than that of the liquid outlet 22. This prevents liquid from flowing out of the inlet 21. Meanwhile, in order to improve the recovery efficiency of the spray liquid, further, a chute 28 is provided at the bottom of the spray tower 2, the high end of the chute 28 is located at the air inlet 21, and the low end of the chute 28 is located at the liquid outlet 22.

Meanwhile, in order to facilitate disassembly, maintenance and cleaning of the spray tower 2, the spray tower 2 further comprises a first cavity 23, a second cavity 24, a third cavity 25 and a top cover 26, the first cavity 23 and the second cavity 24, the second cavity 24 and the third cavity 25, and the third cavity 25 and the top cover 26 are connected through flanges. Furthermore, in view of convenient observation, the first chamber 23, the second chamber 24, and the third chamber 25 are provided with observation windows 251.

In detail, the residual gas after washing enters the activated carbon adsorption tank 6 through the air inlet pipe 5 (can be adsorbed by the negative pressure fan), as shown in fig. 3, further, a plurality of filter plates 61 are arranged in the activated carbon adsorption tank 6, the filter plates 61 are provided with filter holes 612, and the filter holes 612 are arranged in a staggered manner. The filter plate 61 is an activated carbon filler. Certainly, the activated carbon adsorption box 6 can also be provided with a box door 63, so that the maintenance and the checking of the conditions in the box are facilitated for workers. Gas is inhaled the outlet duct 62 by second fan 61 behind the multilayer filter 61, installs gas sensor in outlet duct 62, makes things convenient for its gas index of staff real-time supervision emission through gas sensor. Further, the outlet pipe 62 is fixed by a holder 621.

Compare in prior art, when using the zinc sulfate oxidation leaching processing that this application provided to use purification treatment device, treat that purified gas inhales in the spray column, pack into lye tank with lye, utilize lye to treat that purified gas carries out the counterflow spray washing, the washing liquid can get into lye tank again by cyclic utilization, and the gas after the washing gets into the active carbon adsorption tank in, utilizes active carbon to adsorb again harmful other, and the gas after the adsorption treatment is discharged behind the outlet duct.

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 utility model 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 utility model 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 (7)

1. The utility model provides a zinc sulfate oxidation leaches processing and uses purification unit which characterized in that includes: leaching jar, the upper end of leaching jar is connected with out the dirt pipe through first fan, it is connected with the air inlet of spray column one side to go out the dirt pipe, the liquid outlet of spray column opposite side passes through the drain pipe and is connected with the lye tank, the upper end of lye tank is connected with the feed liquor pipe through the drain pump, be connected with on the feed liquor pipe and stretch into shower in the spray column, a plurality of rotatory nozzles are installed to the equidistance on the shower, the upper end of spray column is connected with the intake pipe, the intake pipe is connected with the active carbon adsorption tank, the active carbon adsorption tank passes through the second fan and is connected with the outlet duct.

2. The purification treatment device for zinc sulfate oxidation leaching processing according to claim 1, wherein the height of the gas inlet is greater than the height of the liquid outlet.

3. The purification treatment device for zinc sulfate oxidation leaching processing according to claim 1, wherein the spray tower comprises a first cavity, a second cavity, a third cavity and a top cover, the first cavity and the second cavity, the second cavity and the third cavity are connected through flanges, and the third cavity and the top cover are connected through flanges.

4. The purification treatment device for zinc sulfate oxidation leaching processing according to claim 3, wherein the first cavity, the second cavity and the third cavity are provided with observation windows.

5. The purification treatment device for zinc sulfate oxidation leaching processing according to claim 1, wherein a plurality of filter plates are arranged in the activated carbon adsorption tank, and the filter plates are provided with filter holes which are staggered.

6. The purification treatment device for zinc sulfate oxidation leaching processing according to claim 1, wherein the outlet pipe is fixed by a bracket.

7. The purification treatment device for zinc sulfate oxidation leaching processing according to claim 1, wherein a chute is provided at the bottom of the spray tower, the high end of the chute is located at the air inlet, and the low end of the chute is located at the liquid outlet.

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