CN206897364U - A kind of fluoride waste calcium chloride automatic medicine adding apparatus - Google Patents
A kind of fluoride waste calcium chloride automatic medicine adding apparatus Download PDFInfo
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- CN206897364U CN206897364U CN201720397698.4U CN201720397698U CN206897364U CN 206897364 U CN206897364 U CN 206897364U CN 201720397698 U CN201720397698 U CN 201720397698U CN 206897364 U CN206897364 U CN 206897364U
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- dosing
- retort
- controller
- control valve
- feed pipe
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Abstract
The utility model discloses a kind of fluoride waste calcium chloride automatic medicine adding apparatus, including dosing tank, dosing pump, retort, controller, waste water stream gauge, wastewater inlet pipe, chemical feed pipe, return duct and efferent duct, the agitator are inserted into the inside of retort；The retort is respectively connected to wastewater inlet pipe, efferent duct and chemical feed pipe；The wastewater inlet pipe is provided with waste water stream gauge and F is counted；Direction on the chemical feed pipe along retort to dosing tank is sequentially provided with dosing flowmeter, flow control valve and dosing pump；The return duct is provided with counterbalance valve；One end access dosing tank of the return duct, the other end access the part between dosing pump and flow control valve on chemical feed pipe；The controller is counted signal with flow control valve, dosing flowmeter, waste water stream gauge and F by signal cable respectively and is connected.The utility model can reduce calcium chloride chemical feeding quantity, and content of fluoride ion is low in production water, and by accurately controlling, reduces the discharge of the secondary waste of water body.
Description
Technical field
The utility model belongs to loading techniques field, more particularly to a kind of fluoride waste calcium chloride automatic medicine adding apparatus.
Background technology
Photovoltaic, semicon industry develop rapidly in recent years, are a Chaoyang industries, but this is also highly energy-consuming, a height
Pollution, the great industry of water consumption, by taking 100MW polycrystalline silicon production lines as an example, daily water consumption is at 1500 tons or so, produced
Waste water in hydrogeneous fluorine waste water account for 70% or so of waste water total amount, hydrogeneous fluorine waste water is caused by etching procedure.
It is presently used in the Waste Water Treatment of photovoltaic, semicon industry being heavy to the exemplary processing method of fluoride waste
Shallow lake method, its general principle are：
Ca2++ 2F-=CaF2↓
Such as above formula, adding CaCl2 makes Ca2+ and the F reaction generation CaF2 precipitations in water, so that F- removes from water.
However, for the content of fluorine ion in water production control, usually using excessive fixed method for dosing medicine：Measure fluoride waste
Maximum stream flow and Cmax, chemical feeding quantity is calculated according to chemical reaction equilibrium, multiplied by with 1.5 times of safety coefficient, to determine
The chemical feeding quantity of the system.
It is obvious that on the one hand the method for this dosing causes a large amount of wastes of calcium chloride medicament, another aspect excess
Calcium chloride is entered in production water, is then drained into water proximate, is added the salt content of water proximate, can cause fish dead when serious
Die, environment is damaged.
Utility model content
The utility model is for technical problem present in prior art, there is provided a kind of fluoride waste calcium chloride Automatic Dosing
Device, it can reach and reduce calcium chloride chemical feeding quantity, content of fluoride ion is low in production water, and by accurately controlling, it is secondary to reduce water body
The beneficial effect of the discharge of waste.
In order to solve the above technical problems, the technical solution adopted in the utility model is：A kind of fluoride waste calcium chloride is automatic
Chemicals dosing plant, including dosing tank, dosing pump, retort, agitator, controller, waste water stream gauge, F meters, counterbalance valve, flow control
Valve, dosing flowmeter, wastewater inlet pipe, chemical feed pipe, return duct and efferent duct processed,
The agitator is inserted into the inside of retort；The retort is respectively connected to wastewater inlet pipe, efferent duct and added
Pencil；The wastewater inlet pipe is provided with waste water stream gauge and F is counted；Connected between the retort and dosing tank by chemical feed pipe
It is logical；Direction on the chemical feed pipe along retort to dosing tank is sequentially provided with dosing flowmeter, flow control valve and dosing pump；Institute
State return duct and be provided with counterbalance valve；One end access dosing tank of the return duct, the other end, which is accessed on chemical feed pipe, is located at dosing pump
Part between flow control valve；The controller passes through signal cable and flow control valve, dosing flowmeter, waste water respectively
Flowmeter connects with F meter signals.
Preferably, the controller is programmable logic controller (PLC).
Preferably, the waste water stream gauge, dosing flowmeter connect with the F signal output parts counted with controller signals,
The signal output part of the controller connects with the signal input part signal of flow control valve.
Compared with prior art, beneficial effect possessed by the utility model is：The utility model can reduce calcium chloride and add
Dose, it is low to produce content of fluoride ion in water, and by accurately controlling, reduces the discharge of the secondary waste of water body.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is control section structured flowchart of the present utility model.
1- dosing tanks in figure, 2- dosing pumps, 3- retort, 4- agitators, 5- controllers, 6- waste water stream gauge, 7-F meters,
8- counterbalance valves, 9- flow control valves, 10- dosing flowmeters, 11- wastewater inlet pipes, 12- chemical feed pipes, 13- return ducts, 14- outputs
Pipe.
Embodiment
It is below in conjunction with the accompanying drawings and specific real to make those skilled in the art be better understood from the technical solution of the utility model
Example is applied to elaborate to the utility model.
Embodiment of the present utility model discloses a kind of fluoride waste calcium chloride automatic medicine adding apparatus, as illustrated, it is wrapped
Include dosing tank 1, dosing pump 2, retort 3, agitator 4, controller 5, waste water stream gauge 6, F meters 7, counterbalance valve 8, flow control valve
9th, dosing flowmeter 10, wastewater inlet pipe 11, chemical feed pipe 12, return duct 13 and efferent duct 14,
Agitator 4 is inserted into the inside of retort 3；Retort 3 is respectively connected to wastewater inlet pipe 11, efferent duct 14 and dosing
Pipe 12；Wastewater inlet pipe 11 is provided with waste water stream gauge 6 and F meters 7；Connected between retort 3 and dosing tank 1 by chemical feed pipe 12
It is logical；On chemical feed pipe 12 dosing flowmeter 10, flow control valve 9 and dosing pump are sequentially provided with along retort 3 to the direction of dosing tank 1
2；Return duct 13 is provided with counterbalance valve 8；One end access dosing tank 1 of return duct 13, the other end, which accesses to be located on chemical feed pipe 12, to be added
Part between Teat pipette 2 and flow control valve 9；Controller 5 passes through signal cable and flow control valve 9, dosing flowmeter respectively
10th, waste water stream gauge 6 is counted 7 signals with F and connected.
In the present embodiment, controller 5 is programmable logic controller (PLC).
In the present embodiment, waste water stream gauge 6, the signal output part of dosing flowmeter 10 and F meters 7 and the signal of controller 5 connect
Connect, the signal output part of controller 5 connects with the signal input part signal of flow control valve 9.
In the present embodiment, fluorine-containing waste water enters from wastewater inlet pipe, and waste water stream gauge provides flow signal to controller,
F meters provide fluorinion in waste water concentration signal to controller, are calculated by controller, determine calcium chloride chemical feeding quantity, then contrast
Dosing flowmeter feeds back to the flow signal of controller, provides signal, controls the open degree of flow control valve, and flow control valve is opened
The analog quantity that Qi Du exports according to controller is controlled, and the open degree of moment adjustment valve is fluorine-containing useless to adapt to enter retort
Water-carrying capacity and fluorinion concentration, to realize closed-loop control；It is constant pressure that counterbalance valve, which keeps chemical feed pipe,；Agitator ensures liquid in retort
Body is well mixed, and is reacted continual and steady and is carried out.
It is including calculating process：
V=2.92kcVF/(ρm)
In formula：V- calcium chloride flows, L/hr；
K- excess coefficients, are measured according to lab scale, value 1.1-1.2；
C- fluoride waste fluorinion concentrations, mg/L；
VF- fluoride waste flow, m3/hr；
ρ-calcium chloride solution density, kg/m3；
M- calcium chloride solution mass percents, %.
The utility model is described in detail above by embodiment, but the content is only of the present utility model shows
Example property embodiment, it is impossible to be considered as being used to limit practical range of the present utility model.The scope of protection of the utility model is by right
Claim limits.It is all to utilize technical scheme described in the utility model, or those skilled in the art is in the utility model technology
Under the inspiration of scheme, in essence of the present utility model and protection domain, design similar technical scheme and reach above-mentioned skill
Art effect, or the equivalent change made to application range and improvement etc., it all should still belong to patent of the present utility model and contain
Within lid protection domain.
Claims (3)
1. a kind of fluoride waste calcium chloride automatic medicine adding apparatus, including dosing tank, dosing pump, retort, agitator, controller,
Waste water stream gauge, F meters, counterbalance valve, flow control valve, dosing flowmeter, wastewater inlet pipe, chemical feed pipe, return duct and efferent duct,
Characterized in that,
The agitator is inserted into the inside of retort；The retort is respectively connected to wastewater inlet pipe, efferent duct and chemical feed pipe；
The wastewater inlet pipe is provided with waste water stream gauge and F is counted；Connected between the retort and dosing tank by chemical feed pipe；It is described
Direction on chemical feed pipe along retort to dosing tank is sequentially provided with dosing flowmeter, flow control valve and dosing pump；The backflow
Pipe is provided with counterbalance valve；One end access dosing tank of the return duct, the other end, which is accessed on chemical feed pipe, is located at dosing pump and flow
Part between control valve；The controller passes through signal cable and flow control valve, dosing flowmeter, waste water stream gauge respectively
Connected with F meter signals.
A kind of 2. fluoride waste calcium chloride automatic medicine adding apparatus according to claim 1, it is characterised in that the controller
For programmable logic controller (PLC).
A kind of 3. fluoride waste calcium chloride automatic medicine adding apparatus according to claim 1, it is characterised in that the waste water stream
Gauge, dosing flowmeter connect with the F signal output parts counted with controller signals, the signal output part and flow of the controller
The signal input part signal connection of control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720397698.4U CN206897364U (en) | 2017-04-17 | 2017-04-17 | A kind of fluoride waste calcium chloride automatic medicine adding apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720397698.4U CN206897364U (en) | 2017-04-17 | 2017-04-17 | A kind of fluoride waste calcium chloride automatic medicine adding apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206897364U true CN206897364U (en) | 2018-01-19 |
Family
ID=61290744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720397698.4U Expired - Fee Related CN206897364U (en) | 2017-04-17 | 2017-04-17 | A kind of fluoride waste calcium chloride automatic medicine adding apparatus |
Country Status (1)
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| CN (1) | CN206897364U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108906880A (en) * | 2018-09-26 | 2018-11-30 | 爱土工程环境科技有限公司 | The repair system and restorative procedure of soil and underground water |
| CN109650510A (en) * | 2018-12-06 | 2019-04-19 | 彩虹（合肥）液晶玻璃有限公司 | A kind of PH control device and waste water treatment system |
| CN109778476A (en) * | 2019-03-20 | 2019-05-21 | 浙江丝科院轻纺材料有限公司 | A kind of medicine system for ecological circulation dyeing installation |
| CN111018068A (en) * | 2019-12-31 | 2020-04-17 | 深圳粤鹏环保技术股份有限公司 | Automatic chemical dosing system for wastewater treatment |
| CN111233120A (en) * | 2020-02-28 | 2020-06-05 | 深圳市长隆科技有限公司 | Defluorinating agent automatic reagent feeding system |
| CN112915924A (en) * | 2021-01-27 | 2021-06-08 | 重庆传策科技有限公司 | A rotatory charge device that is used for multiple waste oil to distinguish to purify |
| CN114455649A (en) * | 2021-12-28 | 2022-05-10 | 安徽绿衡环保科技有限公司 | Intelligent accurate dosing device and using method thereof |
-
2017
- 2017-04-17 CN CN201720397698.4U patent/CN206897364U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108906880A (en) * | 2018-09-26 | 2018-11-30 | 爱土工程环境科技有限公司 | The repair system and restorative procedure of soil and underground water |
| CN108906880B (en) * | 2018-09-26 | 2024-03-19 | 爱土工程环境科技有限公司 | Soil and groundwater remediation system and remediation method |
| CN109650510A (en) * | 2018-12-06 | 2019-04-19 | 彩虹（合肥）液晶玻璃有限公司 | A kind of PH control device and waste water treatment system |
| CN109778476A (en) * | 2019-03-20 | 2019-05-21 | 浙江丝科院轻纺材料有限公司 | A kind of medicine system for ecological circulation dyeing installation |
| CN111018068A (en) * | 2019-12-31 | 2020-04-17 | 深圳粤鹏环保技术股份有限公司 | Automatic chemical dosing system for wastewater treatment |
| CN111233120A (en) * | 2020-02-28 | 2020-06-05 | 深圳市长隆科技有限公司 | Defluorinating agent automatic reagent feeding system |
| CN112915924A (en) * | 2021-01-27 | 2021-06-08 | 重庆传策科技有限公司 | A rotatory charge device that is used for multiple waste oil to distinguish to purify |
| CN114455649A (en) * | 2021-12-28 | 2022-05-10 | 安徽绿衡环保科技有限公司 | Intelligent accurate dosing device and using method thereof |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180119 |