CN211497063U - Waste acid water cyclic utilization equipment - Google Patents
Waste acid water cyclic utilization equipment Download PDFInfo
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- CN211497063U CN211497063U CN201921648555.1U CN201921648555U CN211497063U CN 211497063 U CN211497063 U CN 211497063U CN 201921648555 U CN201921648555 U CN 201921648555U CN 211497063 U CN211497063 U CN 211497063U
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Abstract
The utility model relates to a waste acid water cyclic utilization equipment, mainly include the neutralization agitator tank, concentrated waste acid jar, the jar of weighing, lime jar and dust removal ash can, the neutralization agitator tank passes through the concentrated waste acid jar of first conveyer pipe butt joint, through the second conveyer pipe butt joint jar of weighing, install concentrated waste acid jar valve on the first conveyer pipe way, install the jar valve of weighing on the second conveyer pipe way, the lime jar is through the jar of weighing of first screw conveyer and tube coupling, the dust removal ash can is through the jar of weighing of second screw conveyer and tube coupling, this equipment passes through the spent acid, lime, the dust removal ash directly carries out neutralization stirring, both satisfied waste acid water zero release and handled, the mud that produces simultaneously satisfies the requirement of smelting iron sinter, heavy metal satisfies the alloying requirement of special steel in addition, reduce the proportion that special steel added the alloy, reach cyclic economy and utilize.
Description
Technical Field
The utility model relates to an environmental protection technology field especially relates to a spent acid water cyclic utilization equipment.
Background
At present, a large amount of concentrated waste acid water is generated after domestic steel acid pickling treatment, the pH value of the waste acid water is 1.15, and chemical components contain heavy metal ions such as iron, chromium, nickel, copper and the like, so that the environment is greatly polluted if the waste acid water is not properly treated. The conventional treatment method comprises the steps of adding alkali for neutralization and adding a heavy metal trapping agent to remove heavy metal ions, but the generated hazardous waste sludge cannot be treated, so that secondary environmental pollution is caused, and the production requirements of energy conservation and emission reduction are not met.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the equipment that provides a neutralization concentration waste acid water to above-mentioned prior art, the result is neutralization sludge, but cyclic utilization leads to the fact environmental secondary pollution's technological problem in the sinter in solving neutralization sludge.
The utility model provides a technical scheme that above-mentioned problem adopted does: the utility model provides a waste acid water cyclic utilization equipment, mainly includes neutralization agitator tank, concentrated waste acid jar, weighing tank, lime jar and dust removal ash can, neutralization agitator tank is through the concentrated waste acid jar of first conveyer pipe butt joint, through second conveyer pipe butt joint weighing tank, install concentrated waste acid jar valve on the first conveyer pipe way, the jar valve of weighing is installed to the last installation of second conveyer pipe way, the lime jar is through first screw conveyer and tube coupling weighing tank, dust removal ash can is through second screw conveyer and tube coupling weighing tank, and neutralization agitator tank installs the movable bottom plate that opens or the switching neutralizes agitator tank bottom to set up the collecting box in movable bottom plate below, the collecting box is used for collecting the mud that neutralization reaction produced.
Better setting, install the level gauge in the concentrated spent acid jar body, install the measuring pump on the feed liquor pipeline of concentrated spent acid jar. Used for accurately controlling the amount of concentrated waste acid water.
Compared with the prior art, the utility model has the advantages of: the equipment directly performs neutralization stirring through waste acid, lime and fly ash, so that the zero emission treatment of waste acid water is met, the simultaneously generated sludge meets the requirements of iron making sinter, the heavy metal meets the alloying requirements of special steel, the proportion of special steel added alloy is reduced, and the recycling economy is achieved.
Drawings
Fig. 1 is the embodiment of the utility model provides an in the embodiment structural schematic diagram of useless acid water cyclic utilization equipment.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in fig. 1, the waste acid water recycling device in this embodiment mainly includes a neutralization stirring tank 9, a concentrated waste acid tank 1, a weighing tank 8, a lime tank 2 and a dedusting ash tank 5, wherein a movable bottom plate 10 is installed at the bottom of the neutralization stirring tank 9, a collection box 11 is placed below the movable bottom plate 10, the neutralization stirring tank 9 is connected with the concentrated waste acid tank 1 through a first delivery pipe 12, and is connected with the weighing tank 8 through a second delivery pipe 13. A liquid level meter 16 is arranged in the concentrated waste acid tank 1, and a metering pump 17 is arranged on the liquid inlet pipe. A concentrated waste acid tank valve 14 is arranged on the pipeline of the first conveying pipe 12, and a weighing tank valve 15 is arranged on the pipeline of the second conveying pipe 13. The lime tank 2 is connected to a weighing tank 8 via a first impeller 3 and a first screw conveyor 4 and necessary piping. The dust-removing ash tank 5 is connected with a weighing tank 8 through a second impeller 6 and a second screw conveyer 7 and necessary pipelines.
The first impeller 3 and the second impeller 6 are respectively driven by an independent motor M to rotate, and materials in the pipe wheel are lowered.
In actual operation, the mixing proportion of lime, dedusting ash and waste acid is calculated and set according to the tested components. And (3) metering a certain amount of waste acid into the concentrated waste acid tank 1 through a metering pump 17, detecting through a liquid level meter 16, stopping adding, and waiting.
Lime calcium carbonate is stored in the lime tank 2, enters the weighing tank 8 through the first pulley 3 and the first screw conveyor 4, is weighed through the weight control system, and stops screw conveying when a set value is reached. The fly ash stored in the fly ash tank 5 is then input to the weighing tank 8 through the second pulley 6 and the second screw conveyor 7, and when a set value is reached, the screw conveyance is stopped. The weigh tank valve 15 is then opened to allow the mixed alkaline material to enter the neutralizer agitator 9. When the neutralizing stirrer is filled with the calcium carbonate mixture, the stirrer is started to stir. At the same time, the valve 14 of the concentration tank is opened, and the waste acid water is added from the concentration waste acid tank 1 to the neutralization agitator 9.
The following main neutralization and salt/particle generation reactions are as follows:
FeCl2+CaCO3+H2O→CaCl2+Fe(OH)2+CO2
HCl+CaCO3→CaCl2+H2O+CO2
the chemical reaction is carried out for about 5 minutes by time control, so that the compound is completely neutralized and forms a particulate solid. Thereafter, the bottom plate 10 below the neutralizer agitator 9 is started to open and the dried particulate sludge drops into the collection tank 11. After the neutralizer agitator empties, the soleplate 10 is turned off and the process is repeated again.
The dried neutralized sludge is transported to a sintering workshop of an iron-making branch plant for pellet sintering and iron-making, so as to achieve the recycling of heavy metals and the like.
Although the preferred embodiments of the present invention have been described in detail hereinabove, it should be clearly understood that modifications and variations of the present invention are possible to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. The utility model provides a spent acid water cyclic utilization equipment, mainly includes neutralization agitator tank (9), concentrated spent acid jar (1), weighing tank (8), lime jar (2) and dust removal ash can (5), its characterized in that: neutralization agitator tank (9) dock concentrated waste acid jar (1) through first conveyer pipe (12), dock weighing tank (8) through second conveyer pipe (13), install concentrated waste acid jar valve (14) on first conveyer pipe (12) pipeline, install weighing tank valve (15) on second conveyer pipe (13) pipeline, lime jar (2) are through first screw conveyer (4) and tube coupling weighing tank (8), dust removal ash jar (5) are through second screw conveyer (7) and tube coupling weighing tank (8).
2. The apparatus for recycling waste acid water according to claim 1, characterized in that: the bottom of the neutralization stirring tank (9) is provided with a movable bottom plate (10) for opening or closing the bottom of the neutralization stirring tank (9), and a collecting box (11) is arranged below the movable bottom plate (10).
3. The apparatus for recycling waste acid water according to claim 1, characterized in that: the liquid level meter (16) is installed to the internal level gauge (16) of concentrated waste acid jar (1) jar, install measuring pump (17) on the feed liquor pipeline of concentrated waste acid jar (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921648555.1U CN211497063U (en) | 2019-09-30 | 2019-09-30 | Waste acid water cyclic utilization equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921648555.1U CN211497063U (en) | 2019-09-30 | 2019-09-30 | Waste acid water cyclic utilization equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211497063U true CN211497063U (en) | 2020-09-15 |
Family
ID=72405957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921648555.1U Active CN211497063U (en) | 2019-09-30 | 2019-09-30 | Waste acid water cyclic utilization equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211497063U (en) |
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2019
- 2019-09-30 CN CN201921648555.1U patent/CN211497063U/en active Active
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