CN209835822U - Grind and draw effluent treatment plant - Google Patents
Grind and draw effluent treatment plant Download PDFInfo
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- CN209835822U CN209835822U CN201920398627.5U CN201920398627U CN209835822U CN 209835822 U CN209835822 U CN 209835822U CN 201920398627 U CN201920398627 U CN 201920398627U CN 209835822 U CN209835822 U CN 209835822U
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Abstract
The utility model discloses a mill wastewater treatment device, which comprises an adjusting tank, a pH adjusting tank, a flocculation tank, a circulating tank, a tubular microfiltration membrane group, a clear water tank, a security filter and a water storage tank which are connected in sequence; the device comprises a pH adjusting pool, a flocculation pool, a circulating pool, a sludge storage pool, a circulating pump, a circulating pool and a sludge storage pool, wherein the pH adjusting pool is connected with a first dosing pool of a flocculant through a pipeline, the bottom of the pH adjusting pool is communicated with the bottom of the flocculation pool, the flocculation pool is connected with a second dosing pool of the flocculant through a pipeline, the flocculation pool is connected with the circulating pool through a pipeline, the top of the circulating pool is connected with a tubular microfiltration membrane group through a pipeline, supernatant of the circulating pool is lifted to the tubular microfiltration membrane group through the; after the sewage is cleaned and separated by the tubular microfiltration membrane group, clear water enters the clear water tank, and water in the clear water tank is pumped into the security filter by the water supply pump, and is filtered again by the security filter to enter the water storage tank for reuse. The utility model provides a but handle waste water treatment facilities is drawn to mill that medicament use amount is low, easy operation, but the waste water after the processing reaches emission standard.
Description
Technical Field
The utility model relates to a sewage treatment technical field, concretely relates to grind and draw effluent treatment plant.
Background
With the development of electronic and semiconductor industrial technologies, the amount of scribing waste water discharged by chip packaging is increasing day by day. The grinding wastewater contains substances such as fine particle suspended matters and high molecular substance colloids with high concentration, is extremely difficult to separate, and is a difficult point in wastewater treatment.
The traditional mill wastewater treatment system has the problems of incomplete treatment, long treatment time and large usage amount of treatment agents.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the defect that exists among the prior art, provide a handle medicament use amount and hang down, handle completely, easy operation, but the waste water after the processing reaches emission standard's mill and draws effluent treatment plant.
In order to achieve the purpose, the technical scheme of the utility model is to design a mill wastewater treatment device, which comprises an adjusting tank, a pH adjusting tank, a flocculation tank, a circulating tank, a tubular microfiltration membrane group, a clear water tank, a security filter and a water storage tank which are connected in sequence; the adjusting tank is connected with the pH adjusting tank through a pipeline, and the wastewater is pumped into the pH adjusting tank from the adjusting tank through a lifting pump; the device comprises a pH adjusting pool, a flocculation pool, a circulating pool, a sludge storage pool, a circulating pump, a circulating pool and a sludge storage pool, wherein the pH adjusting pool is connected with a first dosing pool of a flocculant through a pipeline, the bottom of the pH adjusting pool is communicated with the flocculation pool, the flocculation pool is connected with a second dosing pool of the flocculant through a pipeline, the flocculation pool is connected with the circulating pool through a pipeline, the top of the circulating pool is connected with a tubular microfiltration membrane group through a pipeline, supernatant of the circulating pool is lifted to the tubular microfiltration membrane group through the circulating pump, and the bottom; after the sewage is cleaned and separated by the tubular microfiltration membrane group, clear water enters the clear water tank, and water in the clear water tank is pumped into the security filter by the water supply pump, is filtered again by the security filter and enters the water storage tank for reuse; concentrating the wastewater separated by the tubular microfiltration membrane component and then returning the concentrated wastewater to the circulating tank; water in the clean water tank is subjected to preliminary backwashing on the tubular microfiltration membrane through a backwashing pump; the drug washing water tank is connected with the security filter through a pipeline, a cleaning agent in the drug washing water tank is used for cleaning the security filter through a drug washing pump, the cleaning agent is pumped into the tubular microfiltration membrane group by the drug washing pump for cleaning after the security filter is cleaned, and cleaning sewage of the tubular microfiltration membrane group enters the circulating pool; and a sludge discharge device is arranged in the circulating tank, discharged sludge enters the sludge storage tank, the sludge is pumped into the filter press through the sludge pump and is pressed into a sludge cake through the filter press, and a liquid phase outlet of the filter press is connected with the regulating tank through a pipeline.
According to a preferable technical scheme, the medicaments in the first dosing pool are sodium hydroxide and sulfuric acid, and the first dosing pool is respectively provided with an acid valve and an alkali valve. And adding sodium hydroxide and sulfuric acid into the pH adjusting tank to adjust the pH to be about 7-8, opening an acid valve when the pH of the pH adjusting tank is higher, and opening an alkali valve when the pH is lower.
Preferably, the agent in the second dosing tank is polyaluminium chloride or polyacrylamide. After the wastewater automatically flows into a flocculation tank, polyaluminium chloride or polyacrylamide is added to form alum particles.
As a preferable technical scheme, a stirrer is arranged at the bottom of the pH adjusting tank, a pH meter is arranged in the center of the bottom of the pH adjusting tank and in the tank wall of the pH adjusting tank, the pH meter is electrically connected with a controller, and the controller is electrically connected with an acid valve and an alkali valve of the first dosing tank respectively. The stirrer is arranged in the pH adjusting pool to prevent local acid-base imbalance from causing local peracid or excessive base, and the pH meters are arranged at multiple positions of the pH adjusting pool to effectively increase the accuracy of determination and prevent excessive addition of acid and base.
As a preferable technical scheme, the filter element of the cartridge filter adopts a PP spray melting filter element, and the precision range is 0.1-200 mu m.
Preferably, the cartridge precision of the cartridge filter is 5 μm. The filter element precision is too low to cause incomplete filtration, the treated wastewater has the condition of incomplete treatment, the filter element precision is too high to easily cause blockage, the wastewater treatment efficiency is influenced, the filter element precision is 5 mu m according to the production experience, the treated wastewater reaches the discharge and utilization standard, and the blockage is not easily caused.
As the preferred technical scheme, a pressure gauge is arranged between the security filter and the clean water tank. When the pressure value of the pressure gauge is overlarge, the cartridge filter is indicated to be blocked and needs to be replaced or cleaned.
As a preferred technical scheme, a pressure gauge is arranged between the circulating pump and the tubular microfiltration membrane group, the pressure gauge is electrically connected with a controller, and the controller is electrically connected with a backwashing water outlet valve of the clean water tank and the backwashing pump.
As an optimized technical scheme, an air floatation tank is further arranged between the tubular microfiltration membrane group and the clean water tank, the tubular microfiltration membrane group is connected with the air floatation tank through a pipeline, the air floatation tank is connected with the clean water tank through a pipeline, and the air floatation tank is connected with the bubble generator through a conveying pipeline.
The utility model has the advantages and the beneficial effects that: the device performs solid-liquid separation on the grinding and scratching wastewater through steps of acid-base neutralization, organic flocculant addition, precipitation, flocculation, membrane separation and the like. The device effectively concentrates the flocculating agent through backwashing of the circulating tank and the tubular microfiltration membrane group, so that the using amount of the medicament is reduced; the effect of wastewater treatment is further improved by arranging the security filter.
Drawings
FIG. 1 is a schematic view of a block diagram of a wastewater treatment device for milling and cutting of the utility model.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
A grinding and scratching wastewater treatment device comprises an adjusting tank, a pH adjusting tank, a flocculation tank, a circulation tank, a tubular microfiltration membrane group, a clear water tank, a security filter and a water storage tank which are connected in sequence; the adjusting tank is connected with the pH adjusting tank through a pipeline, and the wastewater is pumped into the pH adjusting tank from the adjusting tank through a lifting pump; the device comprises a pH adjusting pool, a flocculation pool, a circulating pool, a sludge storage pool, a circulating pump, a circulating pool and a sludge storage pool, wherein the pH adjusting pool is connected with a first dosing pool of a flocculant through a pipeline, the bottom of the pH adjusting pool is communicated with the flocculation pool, the flocculation pool is connected with a second dosing pool of the flocculant through a pipeline, the flocculation pool is connected with the circulating pool through a pipeline, the top of the circulating pool is connected with a tubular microfiltration membrane group through a pipeline, supernatant of the circulating pool is lifted to the tubular microfiltration membrane group through the circulating pump, and the bottom; after the sewage is cleaned and separated by the tubular microfiltration membrane group, clear water enters the clear water tank, and water in the clear water tank is pumped into the security filter by the water supply pump, is filtered again by the security filter and enters the water storage tank for reuse; concentrating the wastewater separated by the tubular microfiltration membrane component and then returning the concentrated wastewater to the circulating tank; water in the clean water tank is subjected to preliminary backwashing on the tubular microfiltration membrane through a backwashing pump; the drug washing water tank is connected with the security filter through a pipeline, a cleaning agent in the drug washing water tank is used for cleaning the security filter through a drug washing pump, the cleaning agent is pumped into the tubular microfiltration membrane group by the drug washing pump for cleaning after the security filter is cleaned, and cleaning sewage of the tubular microfiltration membrane group enters the circulating pool; and a sludge discharge device is arranged in the circulating tank, discharged sludge enters the sludge storage tank, the sludge is pumped into the filter press through the sludge pump and is pressed into a sludge cake through the filter press, and a liquid phase outlet of the filter press is connected with the regulating tank through a pipeline.
The first dosing tank is provided with an acid valve and an alkali valve.
The medicament in the second dosing pool is polyaluminium chloride or polyacrylamide.
The device comprises a pH adjusting tank, a controller and a first dosing tank, wherein a stirrer is arranged at the bottom of the pH adjusting tank, pH instruments are arranged in the center of the bottom of the pH adjusting tank and in the wall of the tank, the pH instruments are electrically connected with the controller, and the controller is electrically connected with an acid valve and an alkali valve of the first dosing tank respectively.
The filter element of the cartridge filter adopts a PP spray-melting filter element, and the precision range is 0.1-200 mu m.
The filter element precision of the cartridge filter is 5 mu m.
A pressure gauge is arranged between the security filter and the clean water tank.
And a pressure gauge is arranged between the circulating pump and the tubular microfiltration membrane group, the pressure gauge is electrically connected with a controller, and the controller is electrically connected with a backwashing water outlet valve of the clear water tank and the backwashing pump.
Still be equipped with the air supporting pond between tubular microfiltration membrane group and the clean water basin, tubular microfiltration membrane group passes through the pipe connection with the air supporting pond, passes through the pipe connection between air supporting pond and the clean water basin, and the air supporting pond is connected with bubble generator through pipeline.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. A grinding and scratching wastewater treatment device is characterized by comprising an adjusting tank, a pH adjusting tank, a flocculation tank, a circulation tank, a tubular microfiltration membrane group, a clear water tank, a security filter and a water storage tank which are sequentially connected; the adjusting tank is connected with the pH adjusting tank through a pipeline, and the wastewater is pumped into the pH adjusting tank from the adjusting tank through a lifting pump; the device comprises a pH adjusting pool, a flocculation pool, a circulating pool, a sludge storage pool, a circulating pump, a circulating pool and a sludge storage pool, wherein the pH adjusting pool is connected with a first dosing pool of a flocculant through a pipeline, the bottom of the pH adjusting pool is communicated with the flocculation pool, the flocculation pool is connected with a second dosing pool of the flocculant through a pipeline, the flocculation pool is connected with the circulating pool through a pipeline, the top of the circulating pool is connected with a tubular microfiltration membrane group through a pipeline, supernatant of the circulating pool is lifted to the tubular microfiltration membrane group through the circulating pump, and the bottom; and a sludge discharge device is arranged in the circulating tank, discharged sludge enters the sludge storage tank, the sludge is pumped into the filter press through the sludge pump and is pressed into a sludge cake through the filter press, and a liquid phase outlet of the filter press is connected with the regulating tank through a pipeline.
2. The mill wastewater treatment device according to claim 1, wherein the first dosing tank contains sodium hydroxide and sulfuric acid, and the first dosing tank is provided with an acid valve and an alkali valve.
3. The marking wastewater treatment device according to claim 2, wherein the agent in the second dosing tank is polyaluminium chloride or polyacrylamide.
4. The mill wastewater treatment device according to claim 3, wherein the bottom of the pH adjusting tank is provided with a stirrer, the center of the bottom of the pH adjusting tank and the wall of the tank are provided with pH meters, the pH meters are electrically connected with a controller, and the controller is electrically connected with the acid valve and the alkali valve of the first dosing tank respectively.
5. The device for treating the grinding waste water as claimed in claim 4, wherein the filter element of the cartridge filter is a PP spray-melted filter element with the precision range of 0.1-200 μm.
6. The device of claim 5, wherein the cartridge precision of the cartridge filter is 5 μm.
7. The polishing wastewater treatment device according to claim 6, wherein a pressure gauge is provided between the cartridge filter and the clean water tank.
8. The device for treating the scratch waste water according to claim 7, wherein a pressure gauge is arranged between the circulating pump and the tubular microfiltration membrane group, the pressure gauge is electrically connected with a controller, and the controller is electrically connected with a backwashing water outlet valve of the clean water tank and the backwashing pump.
9. The wastewater treatment device according to claim 8, wherein an air flotation tank is arranged between the tubular microfiltration membrane group and the clean water tank, the tubular microfiltration membrane group is connected with the air flotation tank through a pipeline, the air flotation tank is connected with the clean water tank through a pipeline, and the air flotation tank is connected with the bubble generator through a conveying pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920398627.5U CN209835822U (en) | 2019-03-27 | 2019-03-27 | Grind and draw effluent treatment plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920398627.5U CN209835822U (en) | 2019-03-27 | 2019-03-27 | Grind and draw effluent treatment plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209835822U true CN209835822U (en) | 2019-12-24 |
Family
ID=68908454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920398627.5U Active CN209835822U (en) | 2019-03-27 | 2019-03-27 | Grind and draw effluent treatment plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209835822U (en) |
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2019
- 2019-03-27 CN CN201920398627.5U patent/CN209835822U/en active Active
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