CN209338291U - A kind of arsenic-containing waste water processing system - Google Patents
A kind of arsenic-containing waste water processing system Download PDFInfo
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- CN209338291U CN209338291U CN201920869983.0U CN201920869983U CN209338291U CN 209338291 U CN209338291 U CN 209338291U CN 201920869983 U CN201920869983 U CN 201920869983U CN 209338291 U CN209338291 U CN 209338291U
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Abstract
The utility model discloses a kind of arsenic-containing waste water processing systems, including preformed precipitate pond, blending tank, reactor tank, continuous filter, solid-liquid mixing machine and filter press, between preformed precipitate pond and blending tank, between blending tank and reactor tank, between reactor tank and continuous filter, it is connected by pipeline between solid-liquid mixing machine and filter press, separately there are oxidant tank and pharmacy jar to be connected to by pipeline with blending tank, it is equipped with the soda acid flow container being respectively communicated with blending tank and reactor tank simultaneously, conveyer belt is equipped between continuous filter and solid-liquid mixing machine, the utility model proposes a kind of systems for handling arsenic-containing waste water at normal temperature, pass through coagulation tank mixing arsenic-containing waste water, pharmacy response and oxidant, and it is stirred to react the mixed liquor in reactor tank for a long time, form arsenic slag precipitating, pass through setting gel tank simultaneously, the arsenic slag isolated is mixed with gel Solidification is closed, the harm of arsenic slag is further reduced, realizes and handle arsenic-containing waste water under room temperature.
Description
Technical field
The utility model belongs to environment protection field, is related at processing unit more particularly to a kind of arsenic-containing waste water of a kind of waste water
Reason system.
Background technique
Arsenic is a kind of extremely toxic substance, has very strong carcinogenicity.Having in mining and metallurgy production process and chemical production process can
Arsenic-containing waste water can be generated, if direct emission necessarily will cause serious environmental pollution.Therefore, it is necessary to be carried out to arsenic-containing waste water
Processing removes arsenic therein, and carries out harmlessness disposing, and for protecting, the ecological environment in China, promoting sustainable development has for this
Significance.Molysite deposition method is a kind of more common method of current processing arsenic-containing waste water, but existing at present utilizes molysite
The device of precipitation method processing arsenic-containing waste water need to be performed under heating conditions, and energy consumption is larger, it is therefore desirable to which one kind can be located at normal temperature
Manage the device of arsenic-containing waste water.
Utility model content
The utility model mainly overcomes shortcoming in the prior art and proposes a kind of arsenic-containing waste water processing system, real
The purpose that can handle arsenic-containing waste water at normal temperature using molysite deposition method is showed.
The utility model solves technical solution provided by above-mentioned technical problem: a kind of arsenic-containing waste water processing system, packet
Include preformed precipitate pond, blending tank, reactor tank, continuous filter, solid-liquid mixing machine and filter press, the preformed precipitate pond and blending tank it
Between, between blending tank and reactor tank, between reactor tank and continuous filter, between solid-liquid mixing machine and filter press pass through pipeline
Connection, the inlet tube of the liquid feeding pump between the blending tank and reactor tank on pipeline are set to blending tank tank bottom, reactor tank and continuous
The inlet tube of liquid feeding pump between filter on pipeline is set to reactor tank tank bottom, separately have oxidant tank and pharmacy jar by pipeline with
Blending tank connection, while being equipped with the soda acid flow container that is respectively communicated with blending tank and reactor tank, soda acid flow container are divided into two parts, and one
Divide storage acid solution, a part storage lye is equipped with conveyer belt, the conveyer belt between the continuous filter and solid-liquid mixing machine
One end be set to below the slag notch of continuous filter, the other end is set to feed hopper above solid-liquid mixing machine, which is equipped with
Baffle is fed, filter residue can be stopped to enter in solid-liquid mixing machine, the feed hopper is equipped with weighing apparatus, for filter residue in weigh hopper
Weight, in order to determine the dosage of water-soluble inorganic gel according to additional proportion, the solid-liquid mixing machine passes through pipeline and gel
Tank connection, filter residue and molten water inorganic gel for being sufficiently mixed, reacting by solid-liquid mixing machine, the blending tank, reaction tank
Liquidometer and pH meter are equipped on lateral wall, the pH meter measuring probe passes through tank body and is placed in tank, and soda acid flow container and pH meter are used
PH value in adjusting blending tank and reactor tank.
Further, the pipeline between the preformed precipitate pond and blending tank is equipped with flowmeter and liquid feeding pump, the mixing
Liquid feeding pump, oxidant tank, pharmacy jar difference are equipped on pipeline between tank and reactor tank, between reactor tank and continuous filter
Flowmeter and compound pump are equipped on pipeline between blending tank, on blending tank, reactor tank and the tank connected pipeline of acid & alkali liquid
It is equipped with valve, for controlling the dosage of soda acid, the pipeline between solid-liquid mixing machine and gel tank is equipped with flowmeter and medicament
Pump, convenient for accurately calculating oxidant, arsenic removal medicament and the accurate dosage of water-soluble inorganic gel.
Further, the continuous filter is drum filter, continuous bag filter, one in vacuum filter
Kind.
Further, strainer inclined, through pond body is equipped in the middle part of the pond body of the preformed precipitate pond, in filtered wastewater
Large granular impurity, strainer is tilting so that impurity is not easy to plug strainer.
Further, it is equipped with mixing plant in the blending tank and reactor tank, so that sewage containing arsenic, oxidant and arsenic removal
Medicament is sufficiently mixed in blending tank, because reaction needs certain time thus, then mixed liquor feed liquor is pumped into reactor tank and is continued
Reaction.
Further, it is equipped with mixing plant in the blending tank and reactor tank, the reaction tank volume is the 5 of blending tank
~20 times, so that arsenic-containing waste water, oxidant and arsenic removal medicament are more convenient uniformly mixed in blending tank, while being also more easier
Adjust pH, and the bigger reactor tank of volume is then more suitable large scale processing arsenic-containing waste water.
The utility model application method is as follows:
Sewage containing arsenic enters pretreatment pool, after the impurity particle in tilting strainer filtering sewage, opens in blending tank
Mixing plant, sewage is pumped into blending tank through liquid feeding pump, by flow count value, and passes through the arsenic in the sewage of measured in advance
Arsenic removal medicament and oxidant are added according to a certain percentage, and sulfuric acid or sodium hydroxide is added by the numerical value of pH meter for content, adjust
PH in blending tank is 3~4, and the mixed liquor for mixing pot bottom is pumped into reactor tank by liquid feeding pump, stirs and sets in reactor tank
Under standby stirring, controlling the pH in reactor tank is 3~4, and after mixed liquor reacts a period of time, liquid feeding pump will react the anti-of pot bottom
Answer the mixture of complete arsenic slag and arsenic removal water to be delivered to the filtering of continuous bag type vacuum filter, the communicated band of filter residue be transmitted into
Hopper, filtrate are arsenic content water up to standard, can be discharged by simple process, the weighing device of feed hopper claims filter residue
Weight, when filter residue weight reaches a certain amount of, feed hopper baffle is opened, and filter residue enters in solid-liquid mixing machine, while according to filter residue
Weight adds water-soluble inorganic gel according to a certain percentage, it is to be mixed uniformly after mixture is filtered, obtain that arsenic slag can be filled.
The utility model has the following beneficial effects:
1, the utility model proposes a kind of systems for handling arsenic-containing waste water at normal temperature, useless containing arsenic by the mixing of coagulation tank
Water, pharmacy response and oxidant, and it is stirred to react the mixed liquor in reactor tank for a long time, arsenic slag precipitating is formed, is led to simultaneously
Setting gel tank is crossed, arsenic slag and the gel isolated is mixing cured, it further reduced the harm of arsenic slag, realize under room temperature
Handle arsenic-containing waste water.
2, by the way that small-sized blending tank is arranged in reactor tank front end, so that mixing is more uniform, but also the adjusting of pH is more
Add conveniently, accurately.
3, it is pressurized preformed precipitate pond, so that arsenic-containing waste water filters out large granular impurity before treatment, so that entire reaction process
It is safer.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
It is as shown in the figure: 1 preformed precipitate pond, 2 blending tanks, 3 reactor tanks, 4 continuous filters, 5 solid-liquid mixing machines, 6 filter presses, 7
Strainer, 8 oxidant tanks, 9 pharmacy jars, 10 mixing plants, 11 flowmeters, 12 liquid feeding pumps, 13 conveyer belts, 14 feed hoppers, 15 gels
Tank, 16 compound pumps, 17 soda acid flow containers, 18pH meter, 19 liquidometers.
Specific embodiment
Further description is done to the utility model below with reference to embodiment and attached drawing.Those skilled in the art should be bright
, the described embodiments are merely helpful in understanding the present invention, should not be regarded as a specific limitation of the invention.
A kind of arsenic-containing waste water processing system, including preformed precipitate pond 1, blending tank 2, reactor tank 3, continuous filter 4, solid-liquid are mixed
Conjunction machine 5 and filter press 6, between preformed precipitate pond 1 and blending tank 2, between blending tank 2 and reactor tank 3, reactor tank 3 and continuous filtering
Between device 4, between solid-liquid mixing machine 5 and filter press 6 by pipeline connect, between blending tank 2 and reactor tank 3 on pipeline into
12 inlet tube of liquid pump is set to 2 tank bottom of blending tank, and 12 inlet tube of liquid feeding pump between reactor tank 3 and continuous filter 4 on pipeline is set
In 3 tank bottom of reactor tank, separately there are oxidant tank 8 and ferrous salt pharmacy jar 9 to be connected to by pipeline with blending tank 2, while being equipped with and mixing
The soda acid flow container 17 that conjunction tank 2 and reactor tank 3 are respectively communicated with, soda acid flow container 17 divide for two parts, a part storage acid solution, a part
Lye is stored, conveyer belt 13 is equipped between continuous filter 4 and solid-liquid mixing machine 5, one end of conveyer belt 13 is set to continuous filtering
The slag notch lower section of device 4, the other end are set to 5 top feed hopper 14 of solid-liquid mixing machine, which is equipped with charging baffle, can hinder
Gear filter residue enters in solid-liquid mixing machine 5, and feed hopper 14 is equipped with weighing apparatus, for the weight of filter residue in weigh hopper, in order to
Determine that the dosage of water-soluble inorganic gel, solid-liquid mixing machine 5 are connected to by pipeline with gel tank 15 according to additional proportion, solid-liquid mixing
Machine 5 is all provided on the blending tank 2,3 tank body lateral wall of reactor tank for being sufficiently mixed, reacting by filter residue and molten water inorganic gel
There are liquidometer 19 and pH meter 18, soda acid flow container 17 and pH meter 18 are used to adjust the pH value in blending tank 2 and reactor tank 3.
Pipeline between preformed precipitate pond 1 and blending tank 2 is equipped with flowmeter 11 and liquid feeding pump 12, blending tank 2 and reactor tank 3
Between, be equipped with liquid feeding pump 12 on the pipeline between reactor tank 3 and continuous filter 4, oxidant tank 8, pharmacy jar 9 respectively with it is mixed
It closes and is equipped with flowmeter 11 and compound pump 16 on the pipeline between tank 2, what blending tank 2 and reactor tank 3 were connect with soda acid flow container 17
Valve is equipped on pipeline, the pipeline between solid-liquid mixing machine 5 and gel tank 15 is equipped with flowmeter 11 and compound pump 16, is convenient for
Accurately calculate the accurate dosage of oxidant, arsenic removal medicament and water-soluble inorganic gel.
Continuous filter 4 is continuous bag type vacuum filter, be equipped in the middle part of 1 pond body of preformed precipitate pond it is inclined, run through pond body
Strainer 7 mixing plant 10 is equipped in blending tank 2 and reactor tank 3, so that containing for the large granular impurity in filtered wastewater
Arsenic sewage, oxidant and arsenic removal medicament are sufficiently mixed in blending tank 2, because reaction needs certain time thus, then by mixed liquor
Feed liquor is pumped into reactor tank 3 that the reaction was continued, and mixing plant 10, the reactor tank 3 are equipped in the blending tank 2 and reactor tank 3
Volume is 5~20 times of blending tank 2.
In the description of the present invention, it should be noted that term " on ", "lower", " one end ", " other end " etc. indicate
Orientation or positional relationship be to be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the utility model and letter
Change description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construct and
Operation, therefore should not be understood as limiting the present invention.
The above does not impose any limitation on the present invention, although the utility model passed through it is above-mentioned
Embodiment discloses, however is not intended to limit the utility model, any person skilled in the art, practical not departing from
In new technique aspects, is made when the technology contents using the disclosure above and change or be modified to a bit the equivalent of equivalent variations
Embodiment, but all contents without departing from technical solutions of the utility model, according to the technical essence of the utility model to the above reality
Any simple modification, equivalent change and modification made by example are applied, are still within the scope of the technical solutions of the present invention.
Claims (6)
1. a kind of arsenic-containing waste water processing system, which is characterized in that including preformed precipitate pond, blending tank, reactor tank, continuous filter,
Solid-liquid mixing machine and filter press, between the preformed precipitate pond and blending tank, between blending tank and reactor tank, reactor tank and continuous mistake
Connected by pipeline between filter, between solid-liquid mixing machine and filter press, separately have oxidant tank and pharmacy jar by pipeline with
Blending tank connection, while it being equipped with the soda acid flow container being respectively communicated with blending tank and reactor tank, the continuous filter and solid-liquid are mixed
Conveyer belt is equipped between conjunction machine, one end of the conveyer belt is set to below the slag notch of continuous filter, the other end is set to solid-liquid
Feed hopper above mixing machine, the feed hopper is equipped with weighing apparatus, for the weight of filter residue in weigh hopper, the solid-liquid mixing
Machine is connected to by pipeline with gel tank, and the blending tank, reaction tank lateral wall are equipped with liquidometer and pH meter.
2. a kind of arsenic-containing waste water processing system according to claim 1, which is characterized in that the preformed precipitate pond and blending tank
Between pipeline be equipped with flowmeter and liquid feeding pump, between the blending tank and reactor tank, between reactor tank and continuous filter
Pipeline on be equipped with liquid feeding pump, oxidant tank, pharmacy jar are equipped with flowmeter and medicine on the pipeline between blending tank respectively
Agent pumps, and is equipped with valve, the pipe between solid-liquid mixing machine and gel tank on blending tank, reactor tank and the tank connected pipeline of acid & alkali liquid
Road is equipped with flowmeter and compound pump.
3. a kind of arsenic-containing waste water processing system according to claim 2, which is characterized in that the blending tank and reactor tank it
Between the inlet tube of liquid feeding pump on pipeline be set to blending tank tank bottom, the liquid feeding pump between reactor tank and continuous filter on pipeline
Inlet tube is set to reactor tank tank bottom.
4. a kind of arsenic-containing waste water processing system according to claim 1, which is characterized in that the continuous filter is rotary drum
One of filter, continuous bag filter vacuum filter.
5. a kind of arsenic-containing waste water processing system according to claim 1, which is characterized in that in the middle part of the pond body of the preformed precipitate pond
Equipped with strainer inclined, through pond body, for the large granular impurity in filtered wastewater.
6. a kind of arsenic-containing waste water processing system according to claim 1, which is characterized in that in the blending tank and reactor tank
It is equipped with mixing plant, the reaction tank volume is 5~20 times of blending tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920869983.0U CN209338291U (en) | 2019-06-11 | 2019-06-11 | A kind of arsenic-containing waste water processing system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920869983.0U CN209338291U (en) | 2019-06-11 | 2019-06-11 | A kind of arsenic-containing waste water processing system |
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| CN209338291U true CN209338291U (en) | 2019-09-03 |
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| CN201920869983.0U Active CN209338291U (en) | 2019-06-11 | 2019-06-11 | A kind of arsenic-containing waste water processing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111450465A (en) * | 2020-03-31 | 2020-07-28 | 白银原点科技有限公司 | Method for removing arsenic from solid material |
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2019
- 2019-06-11 CN CN201920869983.0U patent/CN209338291U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111450465A (en) * | 2020-03-31 | 2020-07-28 | 白银原点科技有限公司 | Method for removing arsenic from solid material |
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