CN214693679U - Full-automatic acid wastewater treatment assembly line - Google Patents
Full-automatic acid wastewater treatment assembly line Download PDFInfo
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- CN214693679U CN214693679U CN202122501747.3U CN202122501747U CN214693679U CN 214693679 U CN214693679 U CN 214693679U CN 202122501747 U CN202122501747 U CN 202122501747U CN 214693679 U CN214693679 U CN 214693679U
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Abstract
The utility model provides a full-automatic acid wastewater treatment assembly line, including equalizing basin, reaction stirring pond group, filter press unit, clarification tank, clean water basin and switch board, reaction stirring pond group includes a plurality of reaction stirring ponds that communicate in proper order, the reaction stirring pond that is located the most upstream is linked together with the equalizing basin, the reaction stirring pond that is located the most upstream still is connected with calcium oxide feed mechanism, filter press unit includes at least two plate and frame pressure filters, each plate and frame pressure filter all is linked together with the reaction stirring pond that is located the most downstream, each plate and frame pressure filter all communicates the air compressor through the admission line, all install a pressurize exhaust mechanism on each admission line, each plate and frame pressure filter still is linked together with the clarification tank, the clarification tank communicates with a plurality of PAM storage tanks, the clarification tank is linked together with the clean water basin, the utility model discloses a full-automatic treatment to acid wastewater has improved the treatment efficiency to acid wastewater, meanwhile, the occupied area of the equipment is reduced, and the cost investment is reduced.
Description
Technical Field
The utility model relates to the technical field of wastewater treatment, especially, relate to a full-automatic acid waste water treatment assembly line.
Background
The expanded graphite is a loose and porous vermicular substance obtained by intercalating, washing, drying and high-temperature expanding natural graphite flakes, and a large amount of acidic wastewater can be generated because substances such as sulfuric acid, ammonium sulfate and the like are required in the production process of the expanded graphite.
The main problems of the existing acidic wastewater treatment production line are as follows: each procedure needs to be manually controlled by an operator, the filter press needs to be stopped every time the filter press unloads, and the filter press is restarted after the unloading is finished, so that the treatment efficiency of the acidic wastewater is influenced; a large amount of acid waste water all concentrates on a reaction tank and reacts, leads to acid waste water and reaction medicament to mix and react required time all than longer, has seriously influenced acid waste water's treatment effeciency, and simultaneously in order to handle a large amount of waste water, the area in reaction tank is very big, has increased the land cost input of production.
Therefore, a fully automatic acidic wastewater treatment line that can solve the above problems is needed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a full-automatic acid waste water treatment assembly line has realized having improved the treatment effeciency to acid waste water to the full-automatic processing of acid waste water, has reduced the area of equipment simultaneously, the cost input is reduced.
The technical scheme of the utility model is realized like this:
the full-automatic acidic wastewater treatment assembly line comprises an adjusting tank, a reaction stirring tank group, a filter press unit, a clarification tank and a clean water tank which are sequentially arranged along the acidic wastewater treatment direction;
the reaction stirring pool group comprises a plurality of reaction stirring pools which are sequentially communicated, each reaction stirring pool is internally provided with a stirrer, the reaction stirring pool positioned at the most upstream is communicated with the regulating pool through a first liquid drainage pipeline, the reaction stirring pool positioned at the most upstream is also connected with a calcium oxide feeding mechanism, and the reaction stirring pool positioned at the most downstream is communicated with a second liquid drainage pipeline;
the filter press unit comprises at least two plate-and-frame filter presses, a first feeding pipeline is mounted on each plate-and-frame filter press, each first feeding pipeline is communicated with the second liquid drainage pipeline, each plate-and-frame filter press is communicated with an air compressor through an air inlet pipeline, a pressure maintaining and exhausting mechanism is mounted on each air inlet pipeline, and each plate-and-frame filter press is communicated with the clarification tank through a third liquid drainage pipeline;
the clarification tank is communicated with a plurality of PAM storage tanks for storing a coagulant aid PAM, and is communicated with the clean water tank through a fourth liquid discharge pipe;
the filter press also comprises a control cabinet, and the control cabinet is electrically connected with the stirrer, the plate-and-frame filter press and the air compressor.
As an optimal technical scheme, a lifting pump, a flow meter and an adjusting valve are sequentially installed on the first liquid discharge pipeline, and the lifting pump, the flow meter and the adjusting valve are electrically connected with the control cabinet.
As a preferred technical scheme, calcium oxide feed mechanism includes a feed bin that contains calcium oxide, the glassware is installed to the discharge gate of feed bin, the glassware passes through screw conveyer and is located the most upstream the reaction stirring pond is linked together, glassware and screw conveyer all with switch board electric connection down.
As an optimal technical scheme, a slurry pump and a pressure detector are installed on the second liquid discharge pipeline, each feed valve is installed on the first feed pipeline, and the slurry pump, the pressure detector and the feed valve are all electrically connected with the control cabinet.
As a preferred technical scheme, each PAM storage tank is communicated with the clarification tank through a second feeding pipeline, each second feeding pipeline is provided with a metering pump, and each metering pump is electrically connected with the control cabinet.
As a preferred technical scheme, each pressurize exhaust mechanism all includes and squeezes valve and exhaust valve, each squeeze the valve and all install in corresponding on the admission line, each squeeze the low reaches of valve and all be provided with an exhaust pipe, each the exhaust pipe all with admission line is linked together, each exhaust valve all install in corresponding on the exhaust pipe, exhaust valve and squeeze the valve all with switch board electric connection.
As an optimal technical scheme, install in the equalizing basin and be used for detecting the first level gauge of liquid level in the equalizing basin, first level gauge with switch board electric connection.
As a preferred technical scheme, a first PH detection meter and a second liquid level meter are arranged in the reaction stirring pool which is positioned at the most downstream, and the first PH detection meter and the second liquid level meter are both electrically connected with the control cabinet.
As an optimal technical scheme, each PAM storage tank is internally provided with a third liquid level meter, and each third liquid level meter is electrically connected with the control cabinet.
As a preferred technical scheme, install the second PH and detect the meter in the clarification tank, the second PH detect the meter with switch board electric connection.
By adopting the technical scheme, the beneficial effects of the utility model are that:
because the full-automatic acid wastewater treatment assembly line comprises the regulating reservoir, the reaction stirring pool group, the filter press unit, the clarification tank and the clean water pool, in the utility model, the regulating reservoir is used for storing the acid wastewater and balancing the water quality and the water quantity of the acid wastewater; the reaction stirring tank is used for mixing and reacting the acidic wastewater with calcium oxide, and the calcium oxide can effectively remove anions such as phosphate radicals, sulfate radicals, fluoride ions and the like contained in the acidic wastewater and adjust the pH value of the acidic wastewater; the plate-and-frame filter press is used for carrying out filter pressing on sewage and sludge formed after the reaction of the acidic wastewater so as to realize the separation of the sewage and the sludge; the clarification tank is used for purifying sewage by using a coagulant aid PAM, and adsorbing, flocculating and precipitating impurities contained in the sewage; the clean water tank is used for storing the clean water generated in the clarification tank.
Because the reaction stirring pool group comprises a plurality of reaction stirring pools which are sequentially communicated, in the utility model, the acidic wastewater is dispersed into the reaction stirring pools for reaction, and meanwhile, the acid wastewater is stirred by the stirrer in the reaction stirring pools, so that the acid wastewater and the calcium oxide are fully and uniformly mixed, thereby improving the treatment efficiency of the acid wastewater; and the utility model discloses a plurality of little volumetric reaction stirring ponds that communicate in proper order have effectively reduced the area in reaction tank, have reduced the cost input of production.
Because the filter press unit comprises at least two plate-and-frame filter presses, in the utility model, the feeding valve of one plate-and-frame filter press is controlled to be opened by the control cabinet, sewage and sludge in the reaction stirring pool are introduced into the plate-and-frame filter press by the slurry pump, when the pressure detector on the second liquid discharge pipeline detects that the pressure reaches a set value, the feeding valve is controlled to be closed, and the pressure maintaining and exhausting work of the plate-and-frame filter press is realized by the air compressor, the squeezing valve and the exhaust valve, the filter-press separation of the sewage and the sludge is realized, the filter cake formed in the plate-and-frame filter press is unloaded after the squeezing is finished, a plurality of plate-and-frame filter presses are in a state of continuous alternate use, the next plate-and-frame filter press synchronously performs the feeding work when the previous plate-and-frame filter press performs the pressure maintaining, the exhausting and the unloading, thereby realizing the full-automatic treatment of the acid wastewater, the condition that the plate and frame filter press needs to stop filter pressing work when unloading is avoided, the treatment efficiency of the acidic wastewater is effectively improved, and the production efficiency of the expanded graphite is ensured.
Because install elevator pump, flowmeter and adjusting valve in proper order on the first flowing back pipeline the utility model discloses in, adjusting valve is used for controlling the throughput of acid waste water in the first flowing back pipeline, and the flowmeter is used for detecting the flow of acid waste water in the first flowing back pipeline, and after the flowmeter detected the flow of acid waste water in the first flowing back pipeline and reached the setting value, to switch board feedback signal, switch board control adjusting valve adjusts the aperture, has realized the flow stability of acid waste water in the first flowing back pipeline.
Because calcium oxide feed mechanism includes feed bin, glassware and screw conveyer, is located and installs first PH and detects the meter in the reaction stirring pond of furthest downstream the utility model discloses in, first PH detects the PH value that the meter is used for detecting sewage in the reaction stirring pond, and data transmission to the switch board that first PH detected the meter will detect, and the switch board comes to carry out frequency conversion control to the glassware through received data, and the switch board can set up the certain frequency that certain discharge corresponds glassware down, realizes the automatically regulated to glassware frequency down.
Because the clarification tank is communicated with a plurality of PAM storage tanks for storing coagulant aids, a metering pump is arranged between each PAM storage tank and the clarification tank, in the utility model, the metering pump is used for controlling the input amount of the PAM coagulant aids, when the slurry pump works, the metering pump is in a starting state, the PAM coagulant aids are input into the clarification tank, when the slurry pump is closed, the control cabinet controls the metering pump to stop, and the PAM coagulant aids are stopped to be input into the clarification tank; install the third level gauge in the PAM storage tank the utility model discloses in, the height of liquid level in the PAM storage tank is used for detecting to the third level gauge, when the third level gauge detected liquid level in the PAM storage tank and reachs the minimum, to switch board feedback signal, the measuring pump of this PAM storage tank of switch board control stops, then operating personnel opens through the measuring pump of another PAM storage tank of switch board control, continues to drop into coagulant aid PAM in to the clarification tank.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of the present invention.
Wherein: 1. a regulating tank; 2. a reaction stirring tank group; 3. a filter press unit; 4. a clarification tank; 5. a clean water tank; 6. a first drain conduit; 7. a lift pump; 8. a flow meter; 9. adjusting the valve; 10. a reaction stirring tank; 11. a stirrer; 12. a second drain conduit; 13. a slurry pump; 14. a pressure detector; 15. a plate-and-frame filter press; 16. a first feed conduit; 17. an air intake duct; 18. a third drain line; 19. a second pH meter; 20. an air compressor; 21. an exhaust valve; 22. a PAM storage tank; 23. a fourth drain pipe; 24. a control cabinet; 25. a storage bin; 26. a blanking device; 27. a screw conveyor; 28. a second feed conduit; 29. a metering pump; 30. a third liquid level meter; 31. a feed valve; 32. a squeeze valve; 33. a first liquid level meter; 34. a first pH meter; 35. a second level gauge; 36. and (4) exhausting the gas.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in figure 1, the full-automatic acid wastewater treatment assembly line comprises an adjusting tank 1, a reaction stirring tank group 2, a filter press unit 3, a clarification tank 4 and a clean water tank 5 which are sequentially arranged along the acid wastewater treatment direction.
The reaction stirring pool group 2 comprises a plurality of reaction stirring pools 10 which are sequentially communicated, a stirrer 11 is arranged in each reaction stirring pool 10, and in the embodiment, the stirrer 11 can adopt a spiral stirrer driven by a motor; the reaction stirring pool 10 positioned at the most upstream is communicated with the regulating pool 1 through a first liquid discharge pipeline 6, the reaction stirring pool 10 positioned at the most upstream is also connected with a calcium oxide feeding mechanism, the calcium oxide feeding mechanism is used for adding calcium oxide into the reaction stirring pool 10, and the reaction stirring pool 10 positioned at the most downstream is communicated with a second liquid discharge pipeline 12.
In the utility model, the acidic wastewater is dispersed into a plurality of reaction stirring tanks 10 for reaction, and the stirrer 11 is used for stirring the acidic wastewater in the reaction stirring tanks 10, so that the acidic wastewater and calcium oxide are fully and uniformly mixed, and the treatment efficiency of the acidic wastewater is effectively improved; meanwhile, the volume of each reaction stirring tank 10 is smaller, so that the occupied area of the whole equipment is effectively reduced, and the production cost input is reduced.
The filter press unit 3 comprises at least two plate-and-frame filter presses 15, each plate-and-frame filter press 15 is provided with a first feeding pipeline 16, each first feeding pipeline 16 is communicated with a second liquid discharge pipeline 12, each plate-and-frame filter press 15 is communicated with an air compressor 20 through an air inlet pipeline 17, each air inlet pipeline 17 is provided with a pressure maintaining exhaust mechanism, each plate-and-frame filter press 15 is communicated with a clarification tank 4 through a third liquid discharge pipeline 18, in the utility model, a plurality of plate-and-frame filter presses 15 are in a state of continuous alternate use, one plate-and-frame filter press 15 synchronously performs feeding work when performing pressure maintaining, exhausting and unloading, the condition that the plate-and-frame filter press 15 needs to stop the filter pressing work when unloading is avoided, the full-automatic treatment of the acidic wastewater is realized, and the treatment efficiency of the acidic wastewater is effectively improved, thereby ensuring the production efficiency of the expanded graphite.
The clarification tank 4 is communicated with a plurality of PAM storage tanks 22 for storing a coagulant aid PAM, and the clarification tank 4 is communicated with the clean water tank 5 through a fourth liquid discharge pipe 23;
still include a switch board 24, 24 and agitator 11 of switch board, plate and frame filter press 15 and air compressor machine 20 electric connection, in this embodiment, be provided with the PLC system in the switch board 24, can receive each electrical component's signal, can set up automatic and manual operation, and air compressor machine 20 adopts JF type screw air compressor, and plate and frame filter press 15 adopts full-automatic diaphragm type filter press, passes through air compressor machine 20 after accomplishing the feeding and is plate and frame filter press 15 air supplies, and the secondary extrusion reduces moisture.
Wherein, install elevator pump 7, flowmeter 8 and adjusting valve 9 on the first drainage tube 6 in proper order, elevator pump 7, flowmeter 8 and adjusting valve 9 all with switch board 24 electric connection, in this embodiment, flowmeter 8 adopts the corrosion-resistant electromagnetic flowmeter of FLDC type.
Calcium oxide feed mechanism includes a feed bin 25 that holds calcium oxide, glassware 26 is installed to the discharge gate of feed bin 25, glassware 26 is linked together through screw conveyer 27 and the reaction stirring pond 10 that is located the most upstream, glassware 26 and screw conveyer 27 all are connected with control cabinet 24 electric connection down, glassware 26 adopts the YJD type star type glassware down, including the casing that is fixed in feed bin 25 bottom with set up in the inside rotatory impeller of casing, can carry the calcium oxide in the feed bin 25, can seal the discharge gate of feed bin 25 again.
The second liquid discharge pipe 12 is provided with a slurry pump 13 and a pressure detector 14, each first feeding pipe 16 is provided with a feeding valve 31, and the slurry pump 13, the pressure detector 14 and the feeding valve 31 are electrically connected with the control cabinet 24.
Moreover, each PAM tank 22 is connected to the clarifier 4 through a second feeding pipe 28, and a metering pump 29 is installed on each second feeding pipe 28, and each metering pump 29 is electrically connected to the control cabinet 24.
Each pressurize exhaust mechanism all includes squeezes valve 32 and exhaust valve 21, and each squeezes valve 32 and all installs on corresponding admission line 17, and the low reaches of each squeezes valve 32 all is provided with an exhaust pipe 36, and each exhaust pipe 36 all is linked together with admission line 17, and each exhaust valve 21 all installs on corresponding exhaust pipe 36, and exhaust valve 21 and squeeze valve 32 all are connected with switch board 24 electric connection.
In addition, install the first level gauge 33 that is used for detecting the interior liquid level of equalizing basin 1 in the equalizing basin 1, first level gauge 33 and switch board 24 electric connection the utility model discloses in, when first level gauge 33 detected liquid level arrival minimum in the equalizing basin 1, reported to the police to switch board 24 feedback signal, switch board 24 control elevator pump 7, lower glassware 26 and screw conveyer 27 stop.
A first PH detector 34 and a second level gauge 35 are installed in the reaction stirring pool 10 positioned at the most downstream, the first PH detector 34 and the second level gauge 35 are both electrically connected with the control cabinet 24, in the utility model, when the second level gauge 35 detects that the liquid level in the reaction stirring pool 10 reaches the highest point, a signal is fed back to the control cabinet 24, the control cabinet 24 controls the lifting pump 7, the blanking device 26 and the screw conveyor 27 to stop, when the second level gauge 35 detects that the liquid level in the reaction stirring pool 10 reaches the lowest point, a signal is fed back to the control cabinet 24, and the controller controls the slurry pump 13 to stop; when the first pH detector 34 detects that the pH value of the sewage in the reaction stirring tank 10 is within the preset range, a signal is fed back to the control cabinet 24 to give an alarm, and the slurry pump 13 is controlled to be started.
All install third level gauge 30 in each PAM storage tank 22, each third level gauge 30 all with 24 electric connection of switch board the utility model discloses in, when third level gauge 30 detected the liquid level in PAM storage tank 22 and reachs the minimum, to 24 feedback signal of switch board, carry out the low level and report to the police, switch board 24 control measuring pump 29 stops, and operating personnel controls measuring pump 29 of another PAM storage tank 22 through switch board 24 and starts, continues to drop into coagulant aid PAM in the clarification tank 4.
A second PH detector 19 is arranged in the clarification tank 4, and the second PH detector 19 is electrically connected with a control cabinet 24.
In this embodiment, first level gauge 33, second level gauge 35 and third level gauge 30 all adopt radar type level gauge, and first PH detects gauge 34 and second PH and detects gauge 19 and all adopt industrial on-line measuring PH meter, and radar type level gauge and industrial on-line measuring PH meter all select polytetrafluoroethylene or PVTF material to make for use, make radar type level gauge and industrial on-line measuring PH meter can acid and alkali-resistance corrosion-resistant.
The direction shown by the arrow in fig. 1 is the flowing direction of sewage, and the method for treating the acidic wastewater by using the utility model is as follows:
firstly, introducing acid wastewater generated in the production process of expanded graphite into an adjusting tank 1, storing the acid wastewater in the adjusting tank 1, and balancing the water quality and the water quantity of the acid wastewater;
secondly, when the first liquid level meter 33 detects that the liquid level in the adjusting tank 1 reaches the highest point, a signal is fed back to the control cabinet 24 for early warning, an operator controls the stirrer 11, the lifting pump 7, the blanking device 26 and the screw conveyor 27 to be started through the control cabinet 24, under the action of the lifting pump 7, the acidic wastewater in the adjusting tank 1 is introduced into the reaction stirring tank 10 positioned at the most upstream through the first liquid discharge pipeline 6, meanwhile, calcium oxide in the storage bin 25 is introduced into the reaction stirring tank 10 positioned at the most upstream through the blanking device 26 and the screw conveyor 27, under the action of the stirrer 11, the calcium oxide and the acidic wastewater are fully mixed, the calcium oxide reacts with acid radical ions contained in the acidic wastewater to adjust the pH value of the acidic wastewater, after the acidic wastewater is filled in one reaction stirring tank 10, the acidic wastewater in the reaction stirring tank 10 is introduced into the reaction stirring tank 10 positioned at the adjacent downstream, continuously stirring, mixing and reacting until the acidic wastewater is introduced into the downstream-most reaction stirring tank 10;
thirdly, when the first liquid level meter 33 detects that the liquid level in the regulating tank 1 reaches the lowest point, or the second liquid level meter 35 detects that the liquid level in the reaction stirring tank 10 positioned at the most downstream reaches the highest point, the control cabinet 24 controls the lifting pump 7, the blanking device 26 and the screw conveyor 27 to stop, and when the first pH detection meter 34 detects that the pH value of the sewage in the reaction stirring tank 10 positioned at the most downstream is within a set range (generally, the set pH value is between 6.5 and 8), the first pH detection meter 34 feeds back a signal to the control cabinet 24 to alarm;
fourthly, the control cabinet 24 controls the plate-and-frame filter press 15 to work, the corresponding feeding valve 31 is opened, the slurry pump 13 is started, the sewage and the sludge generated after the acid wastewater is reacted, is introduced into the plate-and-frame filter press 15 through the second liquid discharge pipe 12 and the first feeding pipe 16, when the pressure detector 14 detects that the feeding pressure reaches a set value, a signal is fed back to the control cabinet 24, the control cabinet 24 controls the feeding valve 31 to close, and the squeezing valve 32 and the air compressor 20 are opened, the air compressor 20 feeds compressed air into the plate-and-frame filter press 15 through the air inlet pipeline 17, when the pressure maintaining time (0-5 min) set according to the site is reached, the control cabinet 24 controls the squeezing valve 32 to close, simultaneously opening an exhaust valve 21, exhausting for a certain exhaust time (0-50 s), and controlling the exhaust valve 21 to be closed after the exhaust is finished to finish feeding and squeezing;
when the feeding valve 31 on the plate and frame filter press 15 is closed, the control cabinet 24 controls the feeding valve 31 of the other plate and frame filter press 15 to be opened, so as to feed the other plate and frame filter press 15, and the above-mentioned filter pressing action is repeated continuously, so that the plurality of plate and frame filter presses 15 are used alternately;
fifthly, introducing the sewage separated in the filter pressing process into a clarification tank 4 through a third liquid discharge pipeline 18, simultaneously controlling a metering pump 29 to start by a control cabinet 24, putting a coagulant aid PAM in a PAM storage tank 22 into the clarification tank 4, mixing the coagulant aid PAM with the sewage in the clarification tank 4, and adsorbing, flocculating and precipitating impurities contained in the sewage;
and sixthly, introducing clean water generated in the clarification tank 4 into a clean water tank 5 through a fourth liquid discharge pipe 23 for storage, and finally introducing the clean water into a sewage treatment workshop for further treatment.
To sum up, the utility model provides a full-automatic acid waste water treatment assembly line has realized having improved the treatment effeciency to acid waste water to the full-automatic processing of acid waste water, has reduced the area of equipment simultaneously, the cost input is reduced.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The full-automatic acidic wastewater treatment assembly line is characterized by comprising a regulating reservoir, a reaction stirring tank group, a filter press unit, a clarification tank and a clean water tank which are sequentially arranged along the acidic wastewater treatment direction;
the reaction stirring pool group comprises a plurality of reaction stirring pools which are sequentially communicated, each reaction stirring pool is internally provided with a stirrer, the reaction stirring pool positioned at the most upstream is communicated with the regulating pool through a first liquid discharge pipeline, the reaction stirring pool positioned at the most upstream is also connected with a calcium monoxide feeding mechanism, and the reaction stirring pool positioned at the most downstream is communicated with a second liquid discharge pipeline;
the filter press unit comprises at least two plate-and-frame filter presses, a first feeding pipeline is mounted on each plate-and-frame filter press, each first feeding pipeline is communicated with the second liquid drainage pipeline, each plate-and-frame filter press is communicated with an air compressor through an air inlet pipeline, a pressure maintaining and exhausting mechanism is mounted on each air inlet pipeline, and each plate-and-frame filter press is communicated with the clarification tank through a third liquid drainage pipeline;
the clarification tank is communicated with a plurality of PAM storage tanks for storing a coagulant aid PAM, and is communicated with the clean water tank through a fourth liquid discharge pipe;
the filter press also comprises a control cabinet, and the control cabinet is electrically connected with the stirrer, the plate-and-frame filter press and the air compressor.
2. The automatic acidic wastewater treatment assembly line of claim 1, wherein the first liquid discharge pipeline is sequentially provided with a lift pump, a flow meter and a regulating valve, and the lift pump, the flow meter and the regulating valve are electrically connected with the control cabinet.
3. The automatic acidic wastewater treatment assembly line of claim 2, wherein the calcium oxide feed mechanism comprises a bin for containing calcium oxide, a blanking device is installed at a discharge port of the bin, the blanking device is communicated with the reaction stirring tank located at the most upstream through a screw conveyor, and the blanking device and the screw conveyor are both electrically connected with the control cabinet.
4. The automatic acidic wastewater treatment assembly line of claim 3, wherein the second discharge conduit is provided with a slurry pump and a pressure detector, each first feeding conduit is provided with a feeding valve, and the slurry pump, the pressure detector and the feeding valves are electrically connected with the control cabinet.
5. The fully automatic acid wastewater treatment line according to claim 4, wherein each PAM tank is communicated with the clarification tank through a second feeding pipe, each second feeding pipe is provided with a metering pump, and each metering pump is electrically connected with the control cabinet.
6. The automatic acid wastewater treatment line according to claim 5, wherein each pressure-maintaining exhaust mechanism comprises a pressing valve and an exhaust valve, each pressing valve is installed on the corresponding air inlet pipeline, an exhaust pipe is arranged downstream of each pressing valve, each exhaust pipe is communicated with the air inlet pipeline, each exhaust valve is installed on the corresponding exhaust pipe, and the exhaust valve and the pressing valve are electrically connected with the control cabinet.
7. The automatic acidic wastewater treatment assembly line of claim 3, wherein a first liquid level meter for detecting the liquid level in the regulating reservoir is installed in the regulating reservoir, and the first liquid level meter is electrically connected with the control cabinet.
8. The automatic acidic wastewater treatment assembly line of claim 5, wherein a first pH detector and a second liquid level meter are installed in the reaction stirring tank at the most downstream position, and the first pH detector and the second liquid level meter are both electrically connected with the control cabinet.
9. The automatic acidic wastewater treatment line of claim 5, wherein each PAM storage tank is equipped with a third level gauge, and each third level gauge is electrically connected to the control cabinet.
10. The automatic acidic wastewater treatment assembly line of claim 6, wherein a second pH meter is installed in the clarification tank, and the second pH meter is electrically connected with the control cabinet.
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| CN202122501747.3U CN214693679U (en) | 2021-10-18 | 2021-10-18 | Full-automatic acid wastewater treatment assembly line |
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| CN202122501747.3U CN214693679U (en) | 2021-10-18 | 2021-10-18 | Full-automatic acid wastewater treatment assembly line |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114259790A (en) * | 2021-12-21 | 2022-04-01 | 成理科技(成都)股份有限公司 | Filter pressing device for shield muck treatment and muck filter pressing method thereof |
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2021
- 2021-10-18 CN CN202122501747.3U patent/CN214693679U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114259790A (en) * | 2021-12-21 | 2022-04-01 | 成理科技(成都)股份有限公司 | Filter pressing device for shield muck treatment and muck filter pressing method thereof |
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