CN107445402B - Integrated treatment device and method for chemical and chemical waste liquid - Google Patents
Integrated treatment device and method for chemical and chemical waste liquid Download PDFInfo
- Publication number
- CN107445402B CN107445402B CN201710777771.5A CN201710777771A CN107445402B CN 107445402 B CN107445402 B CN 107445402B CN 201710777771 A CN201710777771 A CN 201710777771A CN 107445402 B CN107445402 B CN 107445402B
- Authority
- CN
- China
- Prior art keywords
- tank
- flow path
- wastewater
- water
- water pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses an integrated treatment device and method for chemical waste liquid, which mainly comprises a sedimentation tank, a coagulation tank, an oxidation reduction tank, a pH regulation tank, a biological filter, a temperature regulation tank and a central controller, wherein connecting pipelines of the sedimentation tank, the coagulation tank and the oxidation reduction tank sequentially form a first flow path, a second flow path, a third flow path and a third flow path from left to right, water flow sensing assemblies are arranged at the openings of the connecting pipelines of the sedimentation tank, the coagulation tank and the oxidation reduction tank, a first screening control device is arranged between the second flow path and the second flow path, and a second screening control device which is the same as the first screening control device is arranged between the third flow path and the third flow path. Compared with the prior art, the water flow sensing assembly, the central controller, the screening control device and other equipment operate the wastewater treatment under the synergistic effect, the automation degree is high, the treatment is accurate, and the problems of high energy consumption of wastewater treatment and the like are effectively solved.
Description
Technical Field
The invention relates to the technical field of wastewater treatment, in particular to an integrated treatment device and method for chemical and chemical waste liquid.
Background
Industrial waste water (industrial water) includes production waste water and production sewage, and refers to waste water and waste liquid produced in industrial production, which contains industrial production materials, intermediate products, byproducts and pollutants produced in the production process, which are lost along with water. With the rapid development of industry, the variety and quantity of waste water are rapidly increased, the pollution to water bodies is more and more extensive and serious, and the health and the safety of human beings are threatened. Therefore, the treatment of industrial wastewater is more important than the treatment of municipal sewage for environmental protection.
With the increasing severity of environmental pollution and the increasing of national environmental regulation, environmental protection departments in various regions require enterprises to treat relevant indexes of wastewater to reach standards before the wastewater can be discharged. The industrial wastewater is mainly polluted by heavy metal pollution, acid pollution, alkali pollution, plant nutrient substance pollution, thermal pollution and the like, and a plurality of pollutants have colors, smells or easily generate foams, so the industrial wastewater always presents an unpleasant appearance, causes large-area pollution of water, directly threatens the life and health of people, and is particularly important for controlling the industrial wastewater.
At present, there is a wastewater treatment method of shape and color, for example, patent CN205635227U provides a chemical waste liquid treatment equipment line, which is rational in structure, prolongs device performance and service life, and reduces use cost, but reflects the deficiencies of many prior art, in treating chemical waste water, it needs a process to reflect precipitation, and whether the reaction is sufficient, and whether the wastewater reaches the standard, and needs manual re-detection, the medicament needs manual addition, the wastewater treatment equipment has high energy consumption, high material consumption, etc., and contrast appears with the current environmental protection and low carbon concept, although many ultrafiltration membranes are now introduced, but it has certain difficulty to popularize factories, etc., and the required cost is also high, so an optimized treatment process is needed, and a novel wastewater treatment device which improves automation and saves energy is needed.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the chemical waste liquid integrated treatment device and method can effectively accelerate waste liquid precipitation, optimize filtering effect, do not need personnel operation, and have high automation degree, low energy consumption, less chemical cost and obvious purification effect.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
an integrated treatment device and a method for chemical and chemical waste liquid mainly comprise a sedimentation tank, a coagulation tank, an oxidation-reduction tank, a pH adjusting tank, a biological filter, a temperature adjusting tank, a central controller, a first medicine storage tank and a second medicine storage tank, wherein the sedimentation tank, the coagulation tank, the oxidation-reduction tank, the pH adjusting tank, the biological filter and the temperature adjusting tank are connected through pipelines, pipeline openings of the sedimentation tank, the coagulation tank and the oxidation-reduction tank are respectively provided with a water flow sensing assembly, the right bottom end of the sedimentation tank and the left top end of the coagulation tank are connected through a first flow path, the first flow path is provided with a first water pump, the right bottom end of the coagulation tank and the left top end of the oxidation-reduction tank are connected through a second flow path, the second flow path is connected with the right top end of the coagulation tank through a first loop, the second flow path is provided with a first screening control device and a second water pump, the right bottom end of the oxidation-reduction tank and the left top end of the pH adjusting tank, the third flow path is connected with the right top end of the redox pool through a second loop, the third flow path is provided with a second screening control device and a third water pump, the first screening control device and the second screening control device are internally provided with a water quality detection device, a controller, a control motor a, a control motor b, a backflow gate and a gate, the water quality detection device is positioned in the middle of a pipeline, the controller is positioned at the uppermost part in the middle of the pipeline, the controller is internally provided with a processor, an A/D converter and an energy storage device, the A/D converter is connected with the processor, the water quality detection device, the control motor a and the control motor b are connected with the A/D converter, the energy storage device is connected with the water quality detection device, the A/D converter, the processor, the control motor a and the control motor b, and the backflow gate is positioned in the second loop and the third loop, the control motor a is positioned on a return gate, the gate is positioned in the second flow path and the third flow path, the control motor b is positioned on the gate, the sedimentation tank is respectively provided with a primary filter screen, a secondary filter screen and an oil removal film from top to bottom, the gap between the primary filter screen and the secondary filter screen is larger than the gap between the primary filter screen, the first medicine storage tank is communicated with the first flow path and the second loop through a first medicine adding port, the second flow path and the third loop are communicated through a second medicine adding port, the coagulation tank is provided with a plurality of first filter membranes, the redox tank is provided with a plurality of second filter membranes, the central controller is externally connected with an energy box, the inside of the primary controller is provided with a signal receiver, an A/D conversion device, a central processor and an execution device, the signal receiver is connected with the A/D conversion device and the execution device, the executing device is connected with the first water pump, the second water pump, the third water pump, the first medicine storage tank and the second medicine storage tank, and the energy box is connected with the water flow sensing assembly, the central controller, the first water pump, the second water pump, the third water pump, the first medicine storage tank, the second medicine storage tank, the first screening control device and the second screening control device.
Further, in the above scheme, the medicine in the first medicine storage tank is a mixed solution of polyacrylamide and polyethylene oxide, the molar ratio of the polyacrylamide to the polyethylene oxide is 1: 2, the concentration range is 2-5 mg/L, and the medicine in the second medicine storage tank is added with a corresponding reducing agent according to soluble substances contained in the discharged wastewater.
Furthermore, in the above scheme, a water flow sensor and a signal transmitter are arranged in the water flow sensing assembly, the signal transmitter corresponds to a signal receiver in the central controller, and signal butt joints between each water flow sensing assembly and the central controller are in one-to-one correspondence, so that the central controller can perform independent execution and operation on each area.
Furthermore, in the scheme, the primary filter screen is a 10-40-mesh screen, and the screen with the aperture of 10-40 meshes is adopted to effectively filter out larger insoluble substances and reduce the pressure on the secondary filter screen.
Furthermore, in the scheme, the secondary filter screen is a screen with 70-100 meshes, and most of insoluble substances can be effectively filtered by adopting the screen with 70-100 meshes.
Furthermore, in the scheme, the oil removal film is 170 meshes, so that floating oil in the wastewater can be effectively intercepted, water molecules can pass through the oil removal film, and the effect of oil-water separation is achieved.
Furthermore, in the scheme, the first filter membrane is a filter membrane with the aperture of 0.45 μm, and the filter membrane with the aperture of 0.45 μm can effectively block flocculate, so that the filter effect is good, and the cost is low.
Furthermore, in the above scheme, the second filter membrane is a filter membrane with a pore size of 0.22 μm, and the filter membrane with a pore size of 0.22 μm can effectively block the precipitate generated after the redox reaction.
An integrated treatment device and method adopting the chemical waste liquid comprise the following steps:
(1) the wastewater to be treated enters a sedimentation tank through a pipeline, a water flow sensing assembly senses the passing of water flow and transmits a signal, a central controller receives the signal and then the whole device starts to operate, large impurities are removed through a first-stage filter screen, the wastewater enters a second filter screen through the action of gravity to remove fine impurities, and oil and other impurities in the wastewater are removed through a deoiling film;
(2) after the wastewater is treated by the sedimentation tank, the wastewater passes through the water flow sensing assembly, the central controller receives a signal and then sends a command to the water pump, the wastewater enters the coagulation tank through the first flow path by the pump suction of the first water pump, after the water flow sensing assembly is triggered, the central controller receives the signal and then commands the first medicine storage tank, the first medicine storage tank begins to drop medicines, the medicines are simply mixed at the first medicine adding port, and then flocs are filtered through layer by layer through the first filter membrane;
(3) after the wastewater is treated by the coagulation tank, the wastewater passes through the water flow sensing assembly, the central controller receives a signal and then issues an instruction to the second water pump, the wastewater enters the first screening control device through a pipeline by pumping the second water pump, the water quality is detected by the water quality detection device, the controller analyzes and judges the data, the gate is opened to enter the next link through the second flow path if the water quality meets the purification requirement of the coagulation tank, and the return gate is opened to return to the coagulation tank through the second loop if the water quality does not meet the purification requirement of the coagulation tank, so that the step (2) is repeated;
(4) after the wastewater flows into the redox pool, the steps are the same as (2) and (3), the wastewater enters a pH adjusting pool after being purified by the redox pool, and the pH value is adjusted to 6.0-8.0;
(5) after being treated by a pH adjusting tank, the wastewater enters a temperature adjusting tank through a pipeline, and the temperature is adjusted to be 20-40 ℃;
(6) after being treated by the temperature control tank, the wastewater enters the biological filter tank through the pipeline, and organic matters in the wastewater are treated by microorganisms, so that the COD value is reduced. The wastewater can be discharged after being treated.
Compared with the prior art, the invention has the following beneficial effects:
(1) the device effectively separates substances through the filter screen and the filter membrane under the action of gravity, effectively saves reaction time and ensures the accuracy of wastewater treatment;
(2) the screening control device can effectively ensure the accuracy of wastewater treatment and prevent the influence of incomplete wastewater treatment on discharge;
(3) under the cooperation of the water flow sensing assembly and the central controller, the operation of the device can be controlled in different areas, the treatment can be accurately carried out, and the problems of high energy consumption and the like in wastewater treatment can be effectively solved;
(4) the automatic discharge device has the advantages that under the synergistic effect of the water flow sensing assembly, the central controller, the screening control device and other devices, the automation degree is high, and the standard-reaching wastewater can be accurately discharged without manual operation.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the screening control apparatus of the present invention.
Fig. 3 is a schematic diagram of the central controller of the present invention.
FIG. 4 is a schematic view of a water flow sensing assembly of the present invention.
Figure 5 is a block diagram of the centralized controller system of the present invention.
Fig. 6 is a block diagram of the screening control apparatus system of the present invention.
Wherein, 1-sedimentation tank, 2-coagulation tank, 3-oxidation reduction tank, 4-pH adjusting tank, 5-temperature regulation tank, 6-biological filter tank, 7-central controller, 71-signal receiver, 72-A/D conversion device, 73-central processor, 74-execution device, 75-energy box, 8-water flow sensing assembly, 81-water flow sensor, 82-signal transmitter, 9-screening control device I, 91-controller, 92-energy storage device, 93-processor, 94-A/D converter, 95-control motor b, 96-control motor a, 97-backflow gate, 98-gate, 99-water quality detection device, 10-screening control device II, 11-medicine storage tank I, 12-a second medicine storage tank, 13-a first medicine adding port, 14-a second medicine adding port, 15-a first water pump, 16-a second water pump, 17-a third water pump, 18-a first flow path, 19-a second loop, 20-a second flow path, 21-a third loop and 22-a third flow path.
Detailed Description
The present invention will be described in further detail below to better realize the advantages of the present invention by removing sulfur-containing wastewater, calcium-containing wastewater, and mercury-containing wastewater with the present apparatus.
Example 1:
an integrated device and a method for chemical and chemical waste liquid mainly comprise a sedimentation tank 1, a coagulation tank 2, an oxidation-reduction tank 3, a pH regulating tank 4, a temperature regulating tank 5, a biological filter 6, a central controller 7, a first medicine storage tank 11 and a second medicine storage tank 12, wherein the sedimentation tank 1, the coagulation tank 2, the oxidation-reduction tank 3, the pH regulating tank 4, the temperature regulating tank 5 and the biological filter 6 are connected through pipelines, water flow sensing assemblies 8 are respectively arranged at the pipeline openings of the sedimentation tank 1, the coagulation tank 2 and the oxidation-reduction tank 3, the right bottom end of the sedimentation tank 1 is connected with the left top end of the coagulation tank 2 through a first flow path 18, the first flow path 18 is provided with a first water pump 15, the right bottom end of the coagulation tank 2 is connected with the left top end of the oxidation-reduction tank 3 through a second flow path 20, the second flow path 20 is connected with the right top end of the coagulation tank 2 through a first loop 19, and a first screening control device 9 and a second water pump 16, the right bottom end of the oxidation-reduction pool 3 is connected with the left top end of the pH adjusting pool 4 through a third flow path 22, the third flow path 22 is connected with the right top end of the oxidation-reduction pool 3 through a second loop 21, the third flow path 22 is provided with a second screening control device 10 and a third water pump 17, the first screening control device 9 and the second screening control device 10 have the same internal structure, the internal structure is provided with a water quality detection device 99, a controller 91, a control motor a 96, a control motor b95, a return gate 97 and a gate 98, the water quality detection device 99 is positioned in the middle of a pipeline, the controller 91 is positioned at the uppermost part of the middle of the pipeline, the controller 91 is internally provided with a processor 93, an A/D converter 94 and an energy storage device 92, the A/D converter 94 is connected with the processor 93, the water quality detection device 99, the control motor a 96 and the control motor b95 are connected with the A/D converter 94, the A/D converter 94, the processor 93, the control motor a 96 and the control motor b95 are connected, the return gate 97 is positioned inside the second loop 19 and the third loop 21, the control motor a 96 is positioned on the return gate 97, the gate 98 is positioned inside the second flow path 20 and the third flow path 22, the control motor b95 is positioned on the gate 98, the sedimentation tank 1 is respectively a first-stage filter screen 1a, a second-stage filter screen 1b and a deoiling membrane 1c from top to bottom, the deoiling membrane 1c is 170 meshes, floating oil in waste water is effectively intercepted, water molecules pass through the floating oil, the oil-water separation effect is achieved, the gap between the first-stage filter screen 1a and the second-stage filter screen 1b is larger than the gap on the first-stage filter screen 1a, the first medicine storage tank 11 is communicated with the first flow path 18 and the second loop 19 through the first medicine adding port 13, the second medicine storage tank 12 is communicated with the second flow path 20 and the third loop 21 through the second medicine, the coagulation tank 2 is provided with a plurality of first filter membranes 2a, the oxidation reduction tank 3 is provided with a plurality of second filter membranes 3a, the central controller 7 is externally connected with an energy box 75, the interior of the coagulation tank is provided with a signal receiver 71, an A/D conversion device 72, a central processing unit 73 and an execution device 74, the signal receiver 71 is connected with the A/D conversion device 72, the central processing unit 73 is connected with the A/D conversion device 72 and the execution device 74, the execution device 74 is connected with the first water pump 15, the second water pump 16, the third water pump 17, the first drug storage tank 11 and the second drug storage tank 12, and the energy box 75 is connected with the water flow sensing assembly 8, the first water pump 15, the second water pump 16, the third water pump 17, the first drug storage tank 11, the second drug storage tank 12, the first screening control device 9 and the.
The device is used for removing sulfur-containing industrial wastewater, wherein the medicine in the first medicine storage tank 11 is a mixed solution of polyacrylamide and polyethylene oxide, the molar ratio of the polyacrylamide to the polyethylene oxide is 1: 2, the concentration of the mixed solution is 2 mg/L, the medicine in the second medicine storage tank 12 is ferrous sulfate, the concentration of the ferrous sulfate is 50 mg/L, the first-stage filter screen 1a is a 10-mesh screen, the screen with the aperture of 10 meshes can effectively filter out large insoluble substances and reduce the pressure on the second-stage filter screen 1b, the second-stage filter screen 1b is a 100-mesh screen, the screen with the aperture of 100 meshes can effectively filter out most insoluble substances, the oil removal membrane 1c is 170 meshes, floating oil in the wastewater can be effectively intercepted, water molecules can pass through the oil-water separation effect, the first filter membrane 2a is a filter membrane with the aperture of 0.45 mu m, and the second filter membrane 3a is a.
The method for treating the chemical waste liquid by adopting the device comprises the following steps:
(1) wastewater to be treated enters a sedimentation tank 1 through a pipeline, a water flow sensing assembly 8 senses the passing of water flow and transmits a signal, a central controller 7 starts to operate after receiving the signal, large impurities are removed through a first-stage filter screen 1a, the wastewater enters a second filter screen 1b through the action of gravity to remove fine impurities, and oil and other impurities in the wastewater are removed through a deoiling film 1 c;
(2) after the wastewater is treated by the sedimentation tank 1, the wastewater passes through the water flow sensing assembly 8, the central controller 7 sends an instruction to the water pump I15 after receiving a signal, the wastewater enters the coagulation tank 2 through the first flow path 18 by pumping of the water pump I15, after triggering the water flow sensing assembly 8, the central controller 7 sends an instruction to the drug storage tank I11 after receiving the signal, the drug storage tank I11 starts to fall, the mixture is simply mixed at the first drug adding port 13, and then the flocculate is filtered by layer through the filter membrane I2 a;
(3) after the wastewater is treated by the coagulation tank 2, the wastewater passes through the water flow sensing assembly 8, the central controller 7 sends an instruction to the second water pump 16 after receiving a signal, the wastewater enters the first screening control device 9 through a pipeline by pumping the second water pump 16, the water quality is detected by the water quality detection device 99, the controller 91 analyzes and judges the data, the gate 98 is opened to enter the next link through the second flow path 20 when the water quality meets the purification requirement of the coagulation tank 2, and the return gate 97 is opened to return to the coagulation tank 2 through the second loop 19 to repeat the step (2) if the water quality does not meet the purification requirement of the coagulation tank 2;
(4) after the wastewater flows into the oxidation-reduction pool 3, the steps are the same as (2) and (3), the wastewater enters the pH adjusting pool 4 after being purified by the oxidation-reduction pool 3, and the pH value is adjusted to 6.0-8.0;
(5) after being treated by a pH adjusting tank 4, the wastewater enters a temperature adjusting tank 5 through a pipeline, and the temperature is adjusted to be 20-40 ℃;
(6) after being treated by the temperature control tank 5, the wastewater enters the biological filter 6 through a pipeline, and organic matters in the wastewater are treated by microorganisms to reduce the COD value. The wastewater can be discharged after being treated.
The first-stage filter screen 1a is a screen with 10 meshes of aperture, which can effectively block larger insoluble impurities and can not accumulate too much wastewater, the second-stage filter screen 1b is a screen with 100 meshes of aperture, which can effectively block most of the insoluble impurities from passing through, and the space between the first-stage filter screen 1a and the second-stage filter screen 1b is larger, which effectively prevents the wastewater from accumulating and returning to the first-stage filter screen 1a, the first-stage filter screen 1a and the second-stage filter screen 1b pass through the 10 meshes of aperture, the removal rate of the insoluble impurities in the wastewater is 99.4%, the medicine in the first medicine storage tank 11 is a mixed solution of polyacrylamide and polyethylene oxide, the molar ratio of the two is 1: 2, the concentration is 2 mg/L, the first filter screen 2a is a filter membrane with 0.45 μm of aperture, the removal rate of colloidal particles is 97.1%, the medicine in the second medicine storage tank 12 is ferrous sulfate, the concentration is 50 mg/L, the second filter membrane 3a is a filter membrane with 0.22 μm, the removal rate of sulfur ions is 97.3%, the pH value of the wastewater passing through the biological filter tank is adjusted to 636.3%, the pH value of the wastewater is adjusted to 636, and the wastewater passes through the biological filter tank, the temperature is adjusted to 636/6.
Example 2:
different from the embodiment 1, the device is used for removing calcium-containing industrial wastewater, the medicine in the first medicine storage tank 11 is a mixed solution of polyacrylamide and polyethylene oxide, the molar ratio of the polyacrylamide to the polyethylene oxide is 1: 2, the concentration of the mixed solution is 3.5 mg/L, the medicine in the second medicine storage tank 12 is sodium carbonate, the concentration of the sodium carbonate is 178 mg/L, the first-stage filter screen 1a is a 25-mesh screen, the second-stage filter screen 1b is a 85-mesh screen, the most of insoluble substances can be effectively filtered by a 85-mesh screen, the oil removal membrane 1c is 170 meshes, floating oil in the wastewater can be effectively intercepted, water molecules can pass through the oil-water separation effect, the first filter screen 2a is a 0.45-micron-diameter filter membrane, the second filter membrane 3a is a 0.22-micron filter membrane, the first-stage filter screen 1a and the second filter screen 1b are 25-mesh filters, the first-diameter filter membrane 1a is a 85-mesh filter membrane, the removal rate of insoluble impurities in the wastewater is 99.3%, the mixed solution of the first medicine storage tank 11 and the polyethylene oxide, the mixed solution passes through the primary filter membrane, the pH adjustment tank is 97-calcium oxide filter membrane, the pH adjustment tank, the pH adjustment device is a 2, the pH adjustment tank, the pH adjustment device is a, the pH adjustment tank is a, the device is a 2, the device is used for adjusting device, the device is used for adjusting device for adjusting the pH adjustment device for adjusting the pH value of the calcium oxide, the calcium oxide filter membrane is used for adjusting device for adjusting the pH value of the calcium oxide.
Example 3:
different from the embodiment 1, the device is used for removing mercury-containing industrial wastewater, the medicine in the first medicine storage tank 11 is a mixed solution of polyacrylamide and polyethylene oxide, the molar ratio of the polyacrylamide to the polyethylene oxide is 1: 2, the concentration of the mixed solution is 5 mg/L, the medicine in the second medicine storage tank 12 is lime, the concentration of the lime is 67 mg/L, the first-stage filter screen 1a is a 40-mesh screen, the screen with 70-mesh aperture can effectively filter out larger insoluble substances and reduce the pressure on the second-stage filter screen 1b, the second-stage filter screen 1b is a 70-mesh screen, the screen with 70-mesh aperture can effectively filter out most insoluble substances, the oil removal membrane 1c is 170-mesh screen, floating oil in the wastewater can be effectively intercepted, water molecules can pass through the oil-water separation effect, the first filter screen 2a is a 0.45-aperture filter membrane, the second filter membrane 3a is a 0.22-aperture filter membrane, the first-stage filter screen 1a passing through the first-stage filter screen with 40-mesh screen 1a and the second-aperture filter membrane 1b with 70-mesh aperture, the second-stage filter screen, the filtering membrane is a filtering membrane with 40-aperture, the first-aperture filter membrane, the second-stage filter membrane filtering for removing insoluble substances, the water removing impurities from the first-aperture filtering.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (5)
1. The integrated treatment device for the chemical and chemical waste liquid is characterized by mainly comprising a sedimentation tank (1), a coagulation tank (2), an oxidation reduction tank (3), a pH adjusting tank (4), a temperature adjusting tank (5), a biological filter (6), a central controller (7), a first medicine storage tank (11) and a second medicine storage tank (12), wherein the sedimentation tank (1), the coagulation tank (2), the oxidation reduction tank (3), the pH adjusting tank (4), the temperature adjusting tank (5) and the biological filter (6) are connected through a pipeline, the pipeline openings of the sedimentation tank (1), the coagulation tank (2) and the oxidation reduction tank (3) are respectively provided with a water flow sensing assembly (8), the right bottom end of the sedimentation tank (1) is connected with the left top end of the coagulation tank (2) through a first flow path (18), the first flow path (18) is provided with a first water pump (15), the right bottom end of the coagulation tank (2) is connected with the left top end of the oxidation reduction tank (3) through a second flow path (20), the device is characterized in that the second flow path (20) is connected with the right top end of the coagulation basin (2) through a first loop (19), a first screening control device (9) and a second water pump (16) are arranged on the second flow path (20), the right bottom end of the redox basin (3) is connected with the left top end of the pH adjusting basin (4) through a third flow path (22), the third flow path (22) is connected with the right top end of the redox basin (3) through a second loop (21), a second screening control device (10) and a third water pump (17) are arranged on the third flow path (22), a water quality detection device (99), a controller (91), a control motor a (96), a control motor b (95), a backflow gate (97) and a gate (98) are arranged in the first screening control device (9) and the second screening control device (10), the water quality detection device (99) is positioned in the middle of a pipeline, the controller (91) is located the middle of the pipeline uppermost, a processor (93), an A/D converter (94) and an energy storage device (92) are arranged in the controller (91), the A/D converter (94) is connected with the processor (93), a water quality detection device (99), a control motor a (96) and a control motor b (95) are connected with the A/D converter (94), the energy storage device (92) is connected with the water quality detection device (99), the A/D converter (94), the processor (93), the control motor a (96) and the control motor b (95), the backflow gate (97) is located inside the second loop (19) and the third loop (21), the control motor a (96) is located on the backflow gate (97), the gate (98) is located inside the second loop (20) and the third loop (22), control motor b (95) are located gate (98), sedimentation tank (1) from the top down is one-level filter screen (1a), second grade filter screen (1b) and goes oil film (1c) respectively, the clearance is greater than one-level filter screen (1a) upper air gap between one-level filter screen (1a) and second grade filter screen (1b), medicine storage tank (11) are through first medicine feed inlet (13) intercommunication first flow path (18) and second return circuit (19), medicine storage tank second (12) are through second medicine feed inlet (14) intercommunication second flow path (20) and third return circuit (21), coagulation tank (2) are equipped with a plurality of filter membrane one (2a), oxidation reduction pond (3) are equipped with a plurality of filter membrane two (3a), well accuse ware (7) are external to have energy case (75), and inside is equipped with signal receiver (71), AD conversion device (72), The water flow sensor comprises a central processing unit (73) and an execution device (74), the signal receiver (71) is connected with an A/D conversion device (72), the central processing unit (73) is connected with the A/D conversion device (72) and the execution device (74), the execution device (74) is connected with a first water pump (15), a second water pump (16), a third water pump (17), a first medicine storage tank (11) and a second medicine storage tank (12), and the energy box (75) is connected with a water flow sensing assembly (8), a central controller (7), the first water pump (15), the second water pump (16), the third water pump (17), the first medicine storage tank (11), the second medicine storage tank (12), a first screening control device (9) and a second screening control device (10);
the medicine in the first medicine storage tank (11) is a mixed solution of polyacrylamide and polyethylene oxide, the molar ratio of the polyacrylamide to the polyethylene oxide is 1: 2, the concentration range of the polyacrylamide to the polyethylene oxide is 2-5 mg/L, and the medicine in the second medicine storage tank (12) is added with a corresponding reducing agent according to soluble substances contained in discharged wastewater;
the method for treating the chemical engineering waste liquid by using the integrated treatment device comprises the following steps:
(1) wastewater to be treated enters a sedimentation tank (1) through a pipeline, a water flow sensing assembly (8) senses the passing of water flow and transmits a signal, a central controller (7) starts to operate after receiving the signal, large impurities are removed through a first-stage filter screen (1a), the wastewater enters a second filter screen (1b) through the action of gravity to remove fine impurities, and oil and other impurities in the wastewater are removed through a deoiling film (1 c);
(2) after the wastewater is treated by the sedimentation tank (1), the wastewater passes through the water flow sensing assembly (8), the central controller (7) sends an instruction to the water pump I (15) after receiving a signal, the wastewater enters the coagulation tank (2) through the first flow path (18) by pumping of the water pump I (15), after the water flow sensing assembly (8) is triggered, the central controller (7) sends an instruction to the drug storage tank I (11) after receiving the signal, the drug storage tank I (11) starts to fall, simple mixing is carried out at the first drug adding port (13), and then flocs are filtered by layer-layer filtering of the filter membrane I (2 a);
(3) after the wastewater is treated by the coagulation tank (2), the wastewater passes through the water flow sensing assembly (8), the central controller (7) receives a signal and then issues an instruction to the second water pump (16), the wastewater enters the first screening control device (9) through the pump suction of the second water pump (16), the water quality is detected by the water quality detection device (99), the controller (91) analyzes and judges the data, the gate (98) is opened to enter the next link through the second flow path (20) when the water quality meets the purification requirement of the coagulation tank (2), and the return gate (97) is opened to return to the coagulation tank (2) through the second loop (19) to repeat the step (2) if the water quality does not meet the purification requirement of the coagulation tank (2);
(4) after the wastewater flows into the redox pool (3), the steps are the same as those in (2) and (3), the wastewater enters a pH adjusting pool (4) after being purified by the redox pool (3), and the pH value is adjusted to 6.0-8.0;
(5) after being treated by a pH adjusting tank (4), the wastewater enters a temperature adjusting tank (5) through a pipeline, and the temperature is adjusted to be 20-40 ℃;
(6) after being treated by the temperature regulation and control tank (5), the wastewater enters the biological filter (6) through a pipeline, organic matters in the wastewater are treated by microorganisms, the COD value is reduced, and the treated wastewater can be discharged;
a water flow sensor (81) and a signal transmitter (82) are arranged in the water flow sensing assembly (8), and the signal transmitter (82) corresponds to a signal receiver (71) in the central controller (7).
2. The integrated treatment device for the chemical and chemical waste liquid as claimed in claim 1, wherein the primary filter screen (1a) is a 10-40 mesh screen.
3. The integrated treatment device for chemical and chemical waste liquid as claimed in claim 1, wherein the secondary filter screen (1b) is a 70-100 mesh screen.
4. The integrated treatment device for chemical and chemical waste liquid as claimed in claim 1, wherein the first filter membrane (2a) is a filter membrane with a pore size of 0.45 μm.
5. The integrated treatment device for the chemical and chemical waste liquid as claimed in claim 1, wherein the second filter membrane (3a) is a filter membrane with a pore size of 0.22 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710777771.5A CN107445402B (en) | 2017-09-01 | 2017-09-01 | Integrated treatment device and method for chemical and chemical waste liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710777771.5A CN107445402B (en) | 2017-09-01 | 2017-09-01 | Integrated treatment device and method for chemical and chemical waste liquid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107445402A CN107445402A (en) | 2017-12-08 |
| CN107445402B true CN107445402B (en) | 2020-07-10 |
Family
ID=60494710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710777771.5A Active CN107445402B (en) | 2017-09-01 | 2017-09-01 | Integrated treatment device and method for chemical and chemical waste liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107445402B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112573695A (en) * | 2020-11-24 | 2021-03-30 | 重庆化工职业学院 | Chemical and chemical integrated treatment device and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2071953C1 (en) * | 1993-06-04 | 1997-01-20 | Акционерное общество "Союзцветметавтоматика" | Automatized galvanocoagulation purification process complex |
| CN205803140U (en) * | 2016-05-31 | 2016-12-14 | 天津六维科技有限公司 | A kind of wastewater treatment equipment with backwashing function |
| CN205907115U (en) * | 2016-08-17 | 2017-01-25 | 天津市安宝利亨环保工程技术有限公司 | Reliable industrial sewage treatment equipment |
| CN106527520A (en) * | 2016-11-28 | 2017-03-22 | 宝德科技集团股份有限公司 | Integrated sewage pipe network detection and sewage treatment device and system |
| CN106565047A (en) * | 2016-11-05 | 2017-04-19 | 佛山市原创动力科技有限公司 | Water resource recycling machine with sewage treatment mechanism |
-
2017
- 2017-09-01 CN CN201710777771.5A patent/CN107445402B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2071953C1 (en) * | 1993-06-04 | 1997-01-20 | Акционерное общество "Союзцветметавтоматика" | Automatized galvanocoagulation purification process complex |
| CN205803140U (en) * | 2016-05-31 | 2016-12-14 | 天津六维科技有限公司 | A kind of wastewater treatment equipment with backwashing function |
| CN205907115U (en) * | 2016-08-17 | 2017-01-25 | 天津市安宝利亨环保工程技术有限公司 | Reliable industrial sewage treatment equipment |
| CN106565047A (en) * | 2016-11-05 | 2017-04-19 | 佛山市原创动力科技有限公司 | Water resource recycling machine with sewage treatment mechanism |
| CN106527520A (en) * | 2016-11-28 | 2017-03-22 | 宝德科技集团股份有限公司 | Integrated sewage pipe network detection and sewage treatment device and system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107445402A (en) | 2017-12-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5658306B2 (en) | Advanced treatment method and apparatus for sewage that does not discharge sludge | |
| CN209210544U (en) | High ammonia nitrogen, high-sulfur compound garbage percolation liquid treating system | |
| CN110981118A (en) | Electroplating wastewater split-flow treatment system for centralized control area | |
| CN204874129U (en) | Copper is smelted acid waste water treatment carbon dioxide and is fallen hardness retrieval and utilization device | |
| CN208995266U (en) | A kind of polluted underground water apparatus for extracting | |
| CN101219837B (en) | Ozonation process and equipment for oil-containing alkali wastewater | |
| CN105984992A (en) | Paint wastewater treatment method | |
| CN210261483U (en) | Fresh landfill leachate treatment system | |
| CN102603091A (en) | Sewage treatment system | |
| CN107445402B (en) | Integrated treatment device and method for chemical and chemical waste liquid | |
| CN201309875Y (en) | Recycling device of biological pharmaceutical wastewater | |
| JP2006122795A (en) | Wastewater treatment method | |
| CN111470731B (en) | Method and system for treating leachate of refuse landfill | |
| CN102390905B (en) | Advanced treatment device and method of micropolluted organic sewage | |
| CN111635033A (en) | Method and device for treating thallium and arsenic-containing waste acid | |
| CN209352710U (en) | A kind of pharmacy wastewater treatment system | |
| CN110240309A (en) | A kind of membrane separation method of highly concentrated oil-bearing wastewater | |
| CN213596069U (en) | Water treatment device combining ozone tail gas with ceramic membrane | |
| CN211546270U (en) | Electroplating effluent discharge water integrated processing apparatus | |
| CN114315020A (en) | Be provided with ultrafiltration reverse osmosis system's sewage treatment system | |
| CN210313897U (en) | Denitration desulfurization circulating water treatment device | |
| CN204625443U (en) | Coking advanced waste treatment system | |
| CN108793592B (en) | Industrial sewage treatment system | |
| CN105110501A (en) | Multi-term advanced nanometer catalytic wastewater treatment device | |
| CN105293821A (en) | Generic chemical industry sewage treatment basic process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |