CN117865321A - Equipment and method for treating wastewater and dust-containing waste gas - Google Patents
Equipment and method for treating wastewater and dust-containing waste gas Download PDFInfo
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- CN117865321A CN117865321A CN202410127341.9A CN202410127341A CN117865321A CN 117865321 A CN117865321 A CN 117865321A CN 202410127341 A CN202410127341 A CN 202410127341A CN 117865321 A CN117865321 A CN 117865321A
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- 239000002351 wastewater Substances 0.000 title claims abstract description 143
- 239000002912 waste gas Substances 0.000 title claims abstract description 85
- 239000000428 dust Substances 0.000 title claims abstract description 68
- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000004065 wastewater treatment Methods 0.000 claims abstract description 130
- 239000007921 spray Substances 0.000 claims abstract description 95
- 239000007788 liquid Substances 0.000 claims abstract description 92
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 87
- 238000003860 storage Methods 0.000 claims abstract description 38
- 238000005273 aeration Methods 0.000 claims abstract description 30
- 238000000746 purification Methods 0.000 claims abstract description 14
- 239000010865 sewage Substances 0.000 claims description 27
- 239000007789 gas Substances 0.000 claims description 19
- 238000007789 sealing Methods 0.000 claims description 19
- 230000003472 neutralizing effect Effects 0.000 claims description 11
- 238000003825 pressing Methods 0.000 claims description 11
- 238000005507 spraying Methods 0.000 claims description 11
- 239000008399 tap water Substances 0.000 claims description 11
- 235000020679 tap water Nutrition 0.000 claims description 11
- 239000003795 chemical substances by application Substances 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 8
- 238000001179 sorption measurement Methods 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 6
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 3
- 238000003672 processing method Methods 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 14
- 238000012824 chemical production Methods 0.000 description 6
- 238000004891 communication Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 239000008213 purified water Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
-
- 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
- C02F3/02—Aerobic processes
-
- 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
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/18—Nature of the water, waste water, sewage or sludge to be treated from the purification of gaseous effluents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/005—Processes using a programmable logic controller [PLC]
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/42—Liquid level
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Organic Chemistry (AREA)
- Water Supply & Treatment (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- General Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
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- Biotechnology (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention provides equipment and a treatment method for treating wastewater and dust-containing waste gas, wherein the equipment comprises a spray box assembly, a wastewater inlet three-way pipeline, a wastewater treatment box assembly, a vertical flow constructed wetland pool, an aerobic treatment device, a waste gas purification system, a piston cylinder assembly, an air inlet and exhaust pipeline, a water storage tank assembly and a PLC control system, wherein the spray liquid outlet three-way pipeline is communicated with the wastewater treatment box assembly, the wastewater flows into the aerobic treatment device through a first liquid discharge pipeline of the vertical flow constructed wetland pool, one end of the water storage tank assembly is communicated with the aerobic treatment device, and one end of a total exhaust pipeline of the air inlet and exhaust pipeline extends into the aerobic treatment device. The invention can continuously treat the external wastewater, uses the water with the water quality changed by the aerobic treatment as a water source for dust-containing waste gas treatment, realizes continuous large-displacement aeration of the aerobic treatment device by the cooperation of the piston cylinder assembly and the air inlet and outlet pipeline, and improves the treatment capacity of the aerobic treatment device.
Description
Technical Field
The invention belongs to the technical field of waste gas and waste water treatment, and particularly relates to equipment and a treatment method for treating waste water and dust-containing waste gas.
Background
In the chemical production process, a large amount of water is usually used as a reaction medium, a solvent or a coolant, ammonia nitrogen content is relatively high, the water is polluted after being used to form wastewater, a plurality of chemical reactions can generate gas byproducts to form waste gas, and a large amount of dust is usually generated in the processes of treating, extruding, grinding and mixing raw materials in the chemical production process, so that the waste gas generated in the process of preparing titanium dioxide contains dust, and for the preliminary treatment of dust-containing waste gas, the dust remover is usually used for dust removal treatment firstly, and then the waste gas is treated, so that each component in the waste gas is separated from airflow, and the aim of purifying the waste gas is fulfilled. The method mainly comprises physical treatment, chemical treatment, biological treatment and other methods for treating the wastewater, wherein the biological treatment utilizes microorganisms to degrade organic matters in the wastewater and convert the organic matters into harmless matters, common treatment means comprise anaerobic treatment, anoxic treatment and aerobic treatment, one or the combination of the anaerobic treatment, anoxic treatment and the aerobic treatment can be selected according to actual needs, and when an aerobic treatment system is selected, air is introduced into the aerobic treatment system for aeration to ensure the treatment effect.
For the waste water and dust-containing waste gas generated in the chemical production process, most factories treat the waste water and the dust-containing waste gas independently, and as dust and a small amount of water are contained in the dust-containing waste gas, a small amount of gas is contained in the waste water, the dust-containing waste gas can be subjected to subsequent treatment by adopting a combination of a gas-water separation device and dust removal equipment, and special equipment is needed for aeration in the aerobic treatment of the waste water, so that the overall process of the treatment of the dust-containing waste gas and the waste water in the current chemical production process is complex, and the purified water is not effectively utilized.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide equipment and a treatment method for treating wastewater and dust-containing waste gas, which effectively solve the problems that in the prior art, the wastewater and dust-containing waste gas generated in the chemical production process are treated independently by most factories, the dust-containing waste gas contains dust and a small amount of water, the wastewater contains a small amount of gas, the dust-containing waste gas can be subjected to subsequent treatment by adopting a combination of a gas-water separation device and dust-removing equipment, and special equipment is needed to be adopted for aeration in the aerobic treatment of the wastewater, so that the overall treatment process of the dust-containing waste gas and the wastewater in the current chemical production process is complex, and the purified water is not utilized effectively.
In order to achieve the above purpose, the present invention provides the following technical solutions: the device for treating the waste water and the dust-containing waste gas is characterized by comprising a spray box assembly, a waste water inlet three-way pipeline, a waste water treatment box assembly, a vertical flow constructed wetland pool, an aerobic treatment device, a waste gas purification system, a piston cylinder assembly, an air inlet and exhaust pipeline, a water storage tank assembly and a PLC control system; the waste water treatment tank assembly comprises a first waste water treatment tank and a second waste water treatment tank, a spraying liquid discharge three-way pipeline of the spraying tank assembly is respectively communicated with the first waste water treatment tank and the second waste water treatment tank, and a first exhaust pipeline of the spraying tank assembly is communicated with a dryer of the waste gas purification system; the waste water inlet three-way pipeline is respectively communicated with the first waste water treatment tank and the second waste water treatment tank, the first waste water treatment tank and the second waste water treatment tank are provided with a shared waste water drainage three-way pipeline, and the vertical flow constructed wetland pool is positioned below the waste water drainage three-way pipeline; the wastewater flows into the aerobic treatment device through a first liquid discharge pipeline of the vertical flow constructed wetland tank; one end of the water storage tank assembly is communicated with the aerobic treatment device, and a third liquid discharge pipeline of the water storage tank assembly extends into the spray tank assembly; the piston cylinder assembly is communicated with the air inlet and outlet pipeline, and one end of a total exhaust pipeline of the air inlet and outlet pipeline extends into the aerobic treatment device.
Preferably, the spray box assembly further comprises a spray box shell, an exhaust gas inlet pipeline, a first liquid level sensor, a first sewage drain pipeline, a spray pipeline, a first supporting seat assembly and a detection manhole, wherein the first supporting seat assembly is positioned at the bottom of the spray box shell and plays a supporting role on the spray box shell, one side of the spray box shell is communicated with the exhaust gas inlet pipeline, the other side of the spray box shell is communicated with the first exhaust gas pipeline, the first liquid level sensor is arranged on the front surface of the spray box shell, the first sewage drain pipeline is arranged at the bottom of the spray box shell, and the spray pipeline is positioned inside the spray box shell and fixed with the spray box shell.
Preferably, the waste gas inlet pipeline is provided with a first stop valve and a first one-way valve, the spraying liquid discharge three-way pipeline is provided with a first electromagnetic valve and a second electromagnetic valve, the first exhaust pipeline is provided with a second stop valve, the spraying pipeline is provided with a plurality of first spray heads, and the waste water inlet three-way pipeline is provided with a third electromagnetic valve and a fourth electromagnetic valve.
Preferably, a first feeding port, a second liquid level sensor, a second sewage draining pipeline, a second supporting seat assembly and a detection manhole are arranged on the first wastewater treatment tank, the second supporting seat assembly is positioned at the bottom of the first wastewater treatment tank and plays a supporting role on the first wastewater treatment tank, the first feeding port is positioned at the top of the first wastewater treatment tank, a neutralizing agent is added to the first wastewater treatment tank through the first feeding port, the second liquid level sensor is arranged on the front surface of the first wastewater treatment tank, and the second sewage draining pipeline is arranged at the bottom of the first wastewater treatment tank; the waste water treatment device is characterized in that a second feeding port, a third liquid level sensor, a third sewage drain pipe, a third supporting seat assembly and a detection manhole are arranged on the second waste water treatment box, a third stop valve and a fourth stop valve are arranged on the waste water drainage three-way pipe, and a second spray head is arranged at one end of the waste water drainage three-way pipe.
Preferably, the aerobic treatment device is provided with a second liquid discharge pipeline and a fourth sewage discharge pipeline, and the second liquid discharge pipeline is provided with a fifth stop valve; the exhaust gas purification system further comprises a second exhaust pipeline and a purification box assembly communicated with the second exhaust pipeline, and a sixth stop valve is arranged on the second exhaust pipeline.
Preferably, the piston cylinder assembly comprises a connecting seat assembly, a first connecting cylinder assembly, a first end cover assembly, a second connecting cylinder assembly, a second end cover assembly, a piston rod assembly, an electric cylinder assembly and a fourth supporting seat assembly, wherein the fourth supporting seat assembly is positioned at the bottom of the piston cylinder assembly and plays a supporting role on the piston cylinder assembly, one end of the connecting seat assembly is sequentially connected with the first connecting cylinder assembly and the first end cover assembly, the other end of the connecting seat assembly is sequentially connected with the second connecting cylinder assembly, the second end cover assembly and the electric cylinder assembly, the first connecting cylinder assembly and the second connecting cylinder assembly are of hollow structures, and the piston rod assembly is positioned inside the piston cylinder assembly.
Preferably, the connecting seat assembly comprises a connecting seat, a connecting seat sealing gasket and a connecting seat sealing gasket pressing plate, a connecting seat through hole is formed in the center of the connecting seat, first grooves are formed in two ends of the connecting seat through hole, a first connecting seat air inlet and a second connecting seat air inlet are formed in the top of the connecting seat, a first connecting seat air outlet and a second connecting seat air outlet are formed in the bottom of the connecting seat, a plurality of second grooves are formed in the connecting seat sealing gasket pressing plate, a first end cover air inlet and a first end cover air outlet are formed in the first end cover assembly, a second end cover air inlet and a second end cover air outlet are formed in the second end cover assembly, the piston rod assembly comprises a piston connecting rod, a first piston located at one end of the piston connecting rod and a second piston located at the other end of the piston connecting rod, the first piston and the second piston are detachably connected with the piston connecting rod, and the piston connecting rod penetrates through the connecting seat assembly.
Preferably, the air inlet and outlet pipeline comprises a first air inlet pipeline, a second air inlet pipeline, a third air inlet pipeline, a fourth air inlet pipeline, a first air outlet pipeline, a second air outlet pipeline, a third air outlet pipeline and a fourth air outlet pipeline, wherein the first air inlet pipeline is provided with a second one-way valve, the second air inlet pipeline is provided with a third one-way valve, the third air inlet pipeline is provided with a fourth one-way valve, the fourth air inlet pipeline is provided with a fifth one-way valve, the first air outlet pipeline is provided with a sixth one-way valve, the second air outlet pipeline is provided with a seventh one-way valve, the third air outlet pipeline is provided with an eighth one-way valve, the fourth air outlet pipeline is provided with a ninth one-way valve, the first air outlet pipeline, the second air outlet pipeline, the third air outlet pipeline and the fourth air outlet pipeline are all communicated with the main exhaust pipeline, and the main exhaust pipeline is provided with a tenth one-way valve and a plurality of aeration discs.
Preferably, the water storage tank assembly comprises a water storage tank body, a tap water inlet pipeline, a fifth sewage drainage pipeline, a third liquid drainage pipeline, an overflow pipeline and a fourth liquid level sensor, wherein the tap water inlet pipeline is positioned at the top of the water storage tank body, a fifth electromagnetic valve is arranged on the tap water inlet pipeline, a pressurizing water suction pump is arranged on the third liquid drainage pipeline, the overflow pipeline is positioned at the top of the fifth sewage drainage pipeline, and the fourth liquid level sensor is positioned at the front surface of the water storage tank body.
The invention also provides a treatment method of the equipment for treating wastewater and dust-containing waste gas, which comprises the following steps:
s1, a wastewater treatment method;
s2, a dust-containing waste gas treatment method;
s3, a piston cylinder assembly continuous aeration method;
wherein, the wastewater treatment method S1 comprises the following steps:
s11, the first electromagnetic valve and the third electromagnetic valve are opened, the second electromagnetic valve and the fourth electromagnetic valve are closed, external wastewater enters the first wastewater treatment tank through the wastewater inlet three-way pipeline, wastewater in the spray tank assembly enters the first wastewater treatment tank through the spray liquid discharge three-way pipeline, the wastewater in the first wastewater treatment tank is neutralized under the action of a neutralizing agent, when the liquid level of the wastewater reaches a preset height value of the second liquid level sensor, the first electromagnetic valve and the third electromagnetic valve are closed, the second electromagnetic valve and the fourth electromagnetic valve are opened, external wastewater enters the second wastewater treatment tank through the wastewater inlet three-way pipeline, wastewater in the spray tank assembly enters the second wastewater treatment tank through the spray liquid discharge three-way pipeline, after a preset time, the third stop valve is opened, and the neutralized wastewater in the first wastewater treatment tank is discharged through the wastewater liquid discharge three-way pipeline;
S12, neutralizing the wastewater in the second wastewater treatment tank under the action of a neutralizing agent, closing the second electromagnetic valve and the fourth electromagnetic valve when the liquid level of the wastewater reaches a height value preset by a third liquid level sensor, opening the first electromagnetic valve and the third electromagnetic valve, enabling external wastewater to enter the first wastewater treatment tank through a wastewater inlet three-way pipeline, enabling the wastewater in the spray tank assembly to enter the first wastewater treatment tank through a spray liquid discharge three-way pipeline, and opening a fourth stop valve after preset time, wherein the neutralized wastewater in the second wastewater treatment tank is discharged by the wastewater liquid discharge three-way pipeline;
s13, enabling the wastewater obtained in the step S11 or the step S12 to flow into a vertical flow constructed wetland pool, and enabling the wastewater with most ammonia nitrogen removed by the vertical flow constructed wetland pool to enter an aerobic treatment device through a first liquid discharge pipeline for subsequent treatment;
s14, after being treated by the aerobic treatment device, the clear water flows into a water storage tank assembly, a pressurizing water suction pump is started, water in the water storage tank assembly is conveyed to a spraying pipeline through a third liquid discharge pipeline, and dust in dust-containing waste gas is removed through a first nozzle;
the method S2 for treating the dust-containing waste gas comprises the following steps:
s21, enabling dust-containing waste gas to enter a spray box shell through a waste gas inlet pipeline, removing solid particles in the dust-containing waste gas through water sprayed by a first spray nozzle, enabling the solid particles to flow into a waste water treatment box assembly along with liquid for treatment, and enabling the gas containing moisture to enter a dryer through a first exhaust pipeline for drying;
S22, enabling the dried waste gas to enter a purifying box assembly, and carrying out subsequent adsorption treatment on the waste gas through an active carbon adsorption plate;
wherein, the piston cylinder assembly continuous aeration S3 comprises the following steps:
s31, starting a motor of the electric cylinder assembly, enabling an extension shaft of the electric cylinder to extend, driving a piston rod assembly to move from a cavity D of the piston cylinder assembly to a cavity A, enabling the volumes of the cavity A and the cavity C of the piston cylinder assembly to be reduced, enabling air pressure to rise, enabling pressurized air to enter a total exhaust pipeline through a first air exhaust pipeline and a third air exhaust pipeline, enabling the air to be aerated to an aerobic treatment device through an aeration disc, enabling the volumes of the cavity B and the cavity D of the piston cylinder assembly to be increased, enabling air pressure in the piston cylinder assembly to be lower than atmospheric pressure, enabling external air to enter the cavity B of the piston cylinder assembly through a second air inlet pipeline, and enabling external air to enter the cavity D of the piston cylinder assembly through a fourth air inlet pipeline;
s32, after the electric cylinder extension shaft extends to the limit position for a certain time, the electric cylinder extension shaft is contracted through the PLC control system, the piston rod assembly is driven to move from the cavity A of the piston cylinder assembly to the cavity D, at the moment, the volumes of the cavity B and the cavity D of the piston cylinder assembly are reduced, the air pressure is increased, pressurized air enters the main exhaust pipeline through the second air exhaust pipeline and the fourth air exhaust pipeline, aeration is carried out on the aerobic treatment device through the aeration disc, meanwhile, the volumes of the cavity A and the cavity C of the piston cylinder assembly are increased, the air pressure in the electric cylinder extension shaft is lower than the atmospheric pressure, external air enters the cavity A of the piston cylinder assembly through the first air inlet pipeline, and external air enters the cavity C of the piston cylinder assembly through the third air inlet pipeline;
S33, after the electric cylinder extension shaft is contracted to the limit position for a certain time, the electric cylinder extension shaft is extended through the PLC control system to drive the piston rod assembly to move from the cavity A of the piston cylinder assembly to the cavity D, at the moment, the volumes of the cavity B and the cavity D of the piston cylinder assembly become smaller, the air pressure is increased, pressurized air enters the main exhaust pipeline through the second air exhaust pipeline and the fourth air exhaust pipeline, aeration is performed to the aerobic treatment device through the aeration disc, meanwhile, the volumes of the cavity A and the cavity C of the piston cylinder assembly become larger, the air pressure in the piston cylinder assembly is lower than the atmospheric pressure, and external air enters the cavity A of the piston cylinder assembly through the first air inlet pipeline and enters the cavity C of the piston cylinder assembly through the third air inlet pipeline;
s34, repeating the above-described loop of S32 and S33.
Compared with the prior art, the invention has the following beneficial effects:
(1) The equipment for treating wastewater and dust-containing waste gas provided by the invention can simultaneously and intensively treat the wastewater and the dust-containing waste gas through the arrangement of the spray box assembly, the wastewater inlet three-way pipeline, the wastewater treatment box assembly, the vertical flow constructed wetland tank, the aerobic treatment device, the waste gas purification system, the piston cylinder assembly, the air inlet and exhaust pipeline, the water storage tank assembly and the PLC control system, and has the advantages of less pipeline quantity and more convenient maintenance.
(2) The equipment for treating wastewater and dust-containing waste gas provided by the invention utilizes the vertical flow constructed wetland pool to remove most ammonia nitrogen in the wastewater, and then the device is used for aerobic treatment, so that the effect of denitrification and dephosphorization is improved, and the quality of effluent is improved.
(3) The device for treating waste water and dust-containing waste gas provided by the invention has the advantages that the treated waste water is pumped into the spray box assembly through the booster water pump to treat the dust-containing waste gas, so that water resources are effectively saved.
(4) The equipment for treating the waste water and the dust-containing waste gas can continuously treat the waste water through the arrangement of the first waste water treatment box and the second waste water treatment box, and ensures the continuity of the operation process of the whole equipment.
(5) According to the equipment for treating wastewater and dust-containing waste gas, the piston rod assembly is driven to move by the extension shaft of the electric cylinder, and the piston cylinder assembly is matched with the air inlet and outlet pipeline, so that continuous large-displacement aeration of the aerobic treatment device is realized, and the treatment capacity of the aerobic treatment device is improved.
(6) The equipment for treating wastewater and dust-containing waste gas provided by the invention has the advantages that the automation control degree is high through the cooperation of the PLC control system, the electromagnetic valve, the liquid level sensor and the electric cylinder component, and meanwhile, the reliability of the whole system is high through the arrangement of the one-way valve.
(7) The treatment method of the equipment for treating wastewater and dust-containing waste gas provided by the invention has the advantages of clear overall process flow, convenience in management and control and lower cost.
Drawings
FIG. 1 is a schematic general construction of the present invention;
FIG. 2 is a view in the direction A of FIG. 1 of the present invention;
FIG. 3 is a view in the B-direction of FIG. 1 of the present invention;
FIG. 4 is a schematic view of the structure of the spray box assembly of the present invention;
FIG. 5 is a schematic view showing the construction of a second wastewater treatment tank of the present invention;
FIG. 6 is a schematic exterior view of the piston-cylinder assembly of the present invention;
FIG. 7 is an internal schematic view of the piston-cylinder assembly of the present invention when the electric cylinder assembly is in a contracted state;
FIG. 8 is a schematic view of a connector assembly of the present invention;
fig. 9 is a schematic view of the back-facing structure of fig. 8 in accordance with the present invention.
In the figure: 100. a spray box assembly; 110. a spray box housing; 120. an exhaust gas intake duct; 121. a first stop valve; 122. a first one-way valve; 130. a first liquid level sensor; 140. a first sewage drain; 150. a spray liquid discharge three-way pipeline; 151. a first electromagnetic valve; 152. a second electromagnetic valve; 160. a first exhaust duct; 161. a second shut-off valve; 170. a spray pipe; 171. a first nozzle; 180. a first support base assembly; 200. a wastewater inlet three-way pipeline; 201. a third electromagnetic valve; 202. a fourth electromagnetic valve; 300. a wastewater treatment tank assembly; 310. a first wastewater treatment tank; 311. a first feed port; 312. a second liquid level sensor; 313. a second sewage drain; 314. a second support base assembly; 320. a second wastewater treatment tank; 321. a second feed port; 322. a third liquid level sensor; 323. a third sewage drain; 324. a third support base assembly; 330. a waste water drainage three-way pipeline; 331. a third stop valve; 332. a fourth shut-off valve; 333. a second nozzle; 400. a vertical flow constructed wetland tank; 410. a first drain pipe; 500. an aerobic treatment device; 510. a second drain pipe; 511. a fifth shut-off valve; 520. a fourth sewage drain pipe; 600. an exhaust gas purification system; 610. a dryer; 620. a second exhaust duct; 621. a sixth shut-off valve; 630. a purge bin assembly; 700. a piston cylinder assembly; 710. a connection base assembly; 711. a connecting seat; 7111. a connecting seat through hole; 7112. a first groove; 7113. the first air inlet hole of the connecting seat; 7114. the second air inlet hole of the connecting seat; 7115. the first exhaust hole of the connecting seat; 7116. the second exhaust hole of the connecting seat; 712. a connecting seat sealing gasket; 713. a connecting seat sealing gasket pressing plate; 7131. a second groove; 7132. a platen boss; 720. a first connector barrel assembly; 730. a first end cap assembly; 731. a first end cap inlet aperture; 732. a first end cap vent; 740. a second connector barrel assembly; 750. a second end cap assembly; 751. a second end cap air inlet aperture; 752. a second end cap vent; 760. a piston rod assembly; 761. a first piston; 762. a piston connecting rod; 763. a second piston; 770. an electric cylinder assembly; 771. an electric cylinder extension shaft 772 and an electric cylinder mounting plate; 780. a fourth support base assembly; 800. an air intake and exhaust duct; 810. a first air intake duct; 811. a second one-way valve; 820. a second air intake duct; 821. a third one-way valve; 830. a third air intake duct; 831. a fourth one-way valve; 840. a fourth air intake duct; 841. a fifth check valve; 850. a first air exhaust duct; 851. a sixth one-way valve; 860. a second air exhaust duct; 861. a seventh one-way valve; 870. a third air exhaust duct; 871. an eighth check valve; 880. a fourth air exhaust duct; 881. a ninth check valve; 890. a main exhaust duct; 891. a tenth one-way valve; 892. an aeration disc; 900. a water storage tank assembly; 910. a tap water inlet pipe; 911. a fifth electromagnetic valve; 920. a fifth sewage drain pipe; 930. a third liquid discharge pipe; 931. a booster suction pump; 940. an overflow pipe; 950. and a fourth liquid level sensor.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It is noted that the terms "upper," "lower," "left," "right," "top," "bottom," "inner," "outer," and the like are merely used for convenience in describing the present invention and to simplify the description, and do not denote or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
It should be understood that in the description of the invention, the terms "mounted," "connected," and "connected" are to be construed broadly unless otherwise specifically indicated and defined.
Example 1
Referring to fig. 1 to 9, the apparatus for treating waste water and dust-containing waste gas according to this embodiment includes a spray tank assembly 100, a waste water inlet three-way pipe 200, a waste water treatment tank assembly 300, a vertical flow constructed wetland tank 400, an aerobic treatment device 500, a waste gas purification system 600, a piston cylinder assembly 700, an air inlet and outlet pipe 800, a water storage tank assembly 900, and a PLC control system.
The spray box assembly 100 comprises a spray box housing 110, an exhaust gas inlet pipeline 120, a first liquid level sensor 130, a first sewage drain pipeline 140, a spray liquid drain three-way pipeline 150, a first exhaust pipeline 160, a spray pipeline 170, a first supporting seat assembly 180 and a detection manhole (not shown in the figure), wherein the first supporting seat assembly 180 is positioned at the bottom of the spray box housing 110 and plays a supporting role on the spray box housing 110, one side of the spray box housing 110 is communicated with the exhaust gas inlet pipeline 120, the other side of the spray box housing 110 is communicated with the first exhaust pipeline 160, the front surface of the spray box housing 110 is provided with the first liquid level sensor 130, the bottom of the spray box housing 110 is provided with the first sewage drain pipeline 140, the spray pipeline 170 is positioned inside and fixed with the spray box housing 110, the exhaust gas inlet pipeline 120 is provided with a first stop valve 121 and a first one-way valve 122, the spray liquid drain three-way pipeline 150 is provided with a first electromagnetic valve 151 and a second electromagnetic valve 152, the first exhaust pipeline 160 is provided with a second stop valve 161, and a plurality of first spray nozzles 171 are arranged on the spray liquid drain three-way pipeline 170.
The waste water inlet three-way pipeline 200 is provided with a third electromagnetic valve 201 and a fourth electromagnetic valve 202.
The wastewater treatment tank assembly 300 comprises a first wastewater treatment tank 310, a second wastewater treatment tank 320 and a wastewater discharge three-way pipeline 330, wherein a first feeding port 311, a second liquid level sensor 312, a second sewage pipeline 313, a second supporting seat assembly 314 and a detection manhole (not shown in the figure) are arranged on the first wastewater treatment tank 310, the second supporting seat assembly 314 is positioned at the bottom of the first wastewater treatment tank 310 and supports the first wastewater treatment tank 310, the first feeding port 311 is positioned at the top of the first wastewater treatment tank 310, a neutralizing agent is added to the first wastewater treatment tank 310 through the first feeding port 311, a second liquid level sensor 312 is arranged on the front surface of the first wastewater treatment tank 310, and a second sewage pipeline 313 is arranged at the bottom of the first wastewater treatment tank 310; the second wastewater treatment tank 320 is provided with a second feeding port 321, a third liquid level sensor 322, a third sewage drain pipe 323, a third supporting seat component 324 and a detection manhole (not shown in the figure), the third supporting seat component 324 is positioned at the bottom of the second wastewater treatment tank 320 and plays a supporting role on the second wastewater treatment tank 320, the second feeding port 321 is positioned at the top of the second wastewater treatment tank 320, a neutralizing agent is added to the second wastewater treatment tank 320 through the second feeding port 321, the back of the second wastewater treatment tank 320 is provided with a third liquid level sensor 322, the bottom of the second wastewater treatment tank 320 is provided with a third sewage drain pipe 323, the wastewater drainage three-way pipe 330 is provided with a third stop valve 331 and a fourth stop valve 332, one end of the wastewater drainage three-way pipe 330 is provided with a second spray head 333, and the first wastewater treatment tank 310 and the second wastewater treatment tank 320 are symmetrically arranged along the axis direction of the pipe provided with the second spray head 333.
The exhaust gas purification system 600 includes a dryer 610, a second exhaust pipe 620, and a purification tank assembly 630 in communication with the second exhaust pipe 620, the second exhaust pipe 620 being in communication with an outlet end of the dryer 610, the second exhaust pipe 620 being provided with a sixth shut-off valve 621.
The spray drain three-way pipe 150 of the spray tank assembly 100 is in communication with the first and second wastewater treatment tanks 310 and 320, respectively, and the first exhaust pipe 160 of the spray tank assembly 100 is in communication with the dryer 610.
The dust-containing waste gas enters the spray box shell 110 through the waste gas inlet pipeline 120, solid particles in the dust-containing waste gas are removed through water sprayed by the first spray nozzle 171, the fixed particles flow into the waste water treatment box assembly 300 along with liquid for treatment, the gas containing water enters the dryer 610 through the first exhaust pipeline 160 for drying, the dried waste gas enters the purifying box assembly 630, and the waste gas is subjected to subsequent adsorption treatment through the activated carbon adsorption plate.
The wastewater inlet three-way pipeline 200 is respectively communicated with the first wastewater treatment tank 310 and the second wastewater treatment tank 320, the first wastewater treatment tank 310 and the second wastewater treatment tank 320 are provided with a common wastewater drainage three-way pipeline 330, and the vertical flow constructed wetland tank 400 is positioned below the wastewater drainage three-way pipeline 330; the wastewater flows into the aerobic treatment device 500 through the first liquid discharge pipe 410 of the vertical flow constructed wetland tank 400, the aerobic treatment device 500 is provided with a second liquid discharge pipe 510 and a fourth sewage discharge pipe 520, and the second liquid discharge pipe 510 is provided with a fifth stop valve 511.
The arrangement of the first wastewater treatment tank 310 and the second wastewater treatment tank 320 ensures the continuity of the wastewater treatment process, when external wastewater enters the first wastewater treatment tank 310 through the wastewater inlet three-way pipeline 200, the first electromagnetic valve 151 and the third electromagnetic valve 201 are opened, the second electromagnetic valve 152 and the fourth electromagnetic valve 202 are closed, wastewater in the spray tank assembly 100 also enters the first wastewater treatment tank 310 through the spray drain three-way pipeline 150, wastewater of the whole equipment enters the first wastewater treatment tank 310 for preliminary neutralization treatment, the PH value of the wastewater is kept at about 7, when the liquid level of the first wastewater treatment tank 310 reaches the height value preset by the second liquid level sensor 312, the first electromagnetic valve 151 and the third electromagnetic valve 201 are closed, the second electromagnetic valve 152 and the fourth electromagnetic valve 202 are opened, the external wastewater and the wastewater in the spray box assembly 100 enter the second wastewater treatment box 320 for preliminary neutralization treatment, at this time, after the first wastewater treatment box 310 is fully neutralized for a certain time, the third stop valve 331 can be opened to discharge the wastewater neutralized by the first wastewater treatment box 310 into the vertical flow constructed wetland tank 400, the treatment method of the wastewater in the second wastewater treatment box 320 is the same as that of the first wastewater treatment box 310, and the external wastewater and the wastewater in the spray box assembly 100 are switched between the first wastewater treatment box 310 and the second wastewater treatment box 320, so that the continuity of the wastewater treatment process is ensured, and in order to further ensure the effect of wastewater treatment, a Y-shaped filter can be additionally arranged on the wastewater drainage three-way pipeline 330.
One end of the water storage tank assembly 900 is communicated with the aerobic treatment device 500, a third liquid discharge pipeline 930 of the water storage tank assembly 900 extends into the spray tank assembly 100, the water storage tank assembly 900 comprises a water storage tank body, a tap water inlet pipeline 910, a fifth sewage discharge pipeline 920, a third liquid discharge pipeline 930, an overflow pipeline 940 and a fourth liquid level sensor 950, the tap water inlet pipeline 910 is positioned at the top of the water storage tank body, a fifth electromagnetic valve 911 is arranged on the tap water inlet pipeline 910, a pressurizing water suction pump 931 is arranged on the third liquid discharge pipeline 930, the overflow pipeline 940 is positioned at the top of the fifth sewage discharge pipeline 920, and the fourth liquid level sensor 950 is positioned at the front surface of the water storage tank body.
The third liquid discharge pipe 930 is provided with a booster water pump 931, the water quality of the water treated by the aerobic treatment device 500 is greatly improved, the water with improved water quality firstly enters the water storage tank assembly 900, the water in the water storage tank assembly 900 is conveyed to the spraying pipe 170 through the third liquid discharge pipe 930 by the booster water pump 931, and dust in the dust-containing waste gas is removed by the first nozzle 171. When the aerobic treatment device 500 supplies water to the water storage tank assembly 900, if the water quantity is too much, the water can flow into a designated position through the overflow pipeline 940, if the water quantity is insufficient, that is, when the water level in the water storage tank assembly 900 does not reach the low value water level preset by the fourth liquid level sensor 950, the fourth liquid level sensor 950 signals the PLC control system, the fifth electromagnetic valve 911 is opened, external water supplies water to the water storage tank assembly 900 through the tap water inlet pipeline 910, when the water level in the water storage tank assembly 900 reaches the high value water level preset by the fourth liquid level sensor 950, the fourth liquid level sensor 950 signals the PLC control system, and the fifth electromagnetic valve 911 is closed, so that the stability of the water level in the water storage tank assembly 900 is ensured.
The piston cylinder assembly 700 is communicated with the air inlet and outlet pipeline 800, the piston cylinder assembly 700 comprises a connecting seat assembly 710, a first connecting cylinder assembly 720, a first end cover assembly 730, a second connecting cylinder assembly 740, a second end cover assembly 750, a piston rod assembly 760, an electric cylinder assembly 770 and a fourth supporting seat assembly 780, a plurality of fourth supporting seat assemblies 780 are located at the bottom of the piston cylinder assembly 700 and play a supporting role on the piston cylinder assembly 700, one end of the connecting seat assembly 710 is sequentially connected with the first connecting cylinder assembly 720 and the first end cover assembly 730, the other end of the connecting seat assembly 710 is sequentially connected with the second connecting cylinder assembly 740, the second end cover assembly 750 and the electric cylinder assembly 770, the first connecting cylinder assembly 720 and the second connecting cylinder assembly 740 are of hollow structures, the first connecting cylinder assembly 720 and the first end cover assembly 730 are fixedly connected through bolts, the second connecting cylinder assembly 740 and the second end cover assembly 750 are fixedly connected through bolts, the piston rod assembly 760 is located inside the piston cylinder assembly 700, and the length of the second connecting cylinder assembly 740 is generally longer than that of the first connecting cylinder assembly 720.
The connection base assembly 710 includes a connection base 711, a connection base sealing pad 712 and a connection base sealing pad pressing plate 713, both ends of the connection base 711 are provided with screw grooves, the center of the connection base 711 is provided with a connection base through hole 7111, both ends of the connection base through hole 7111 are provided with a first groove 7112, the top of the connection base 711 is provided with a connection base first air inlet 7113 and a connection base second air inlet 7114, the bottom of the connection base 711 is provided with a connection base first air outlet 7115 and a connection base second air outlet 7116, the connection base first air inlet 7113, the connection base second air inlet 7114, the connection base first air outlet 7115 and the connection base second air outlet 7116 are all in an L-shaped structure, the connection base sealing pad pressing plate 713 is provided with a plurality of second grooves 7131, the width of the second grooves 7131 is larger than the aperture of the screw grooves of the connection base air inlet and outlet, one end of the connection base sealing pad pressing plate 713 near the connection base through hole 7111 is provided with a pressing plate boss 7132, the connecting seat sealing pad pressing plate 713, the connecting seat sealing pad 712 and the connecting seat 711 are fixedly connected by a plurality of bolts through holes on the connecting seat sealing pad pressing plate 713 and threaded holes on the connecting seat 711, the first end cover assembly 730 is provided with a first end cover air inlet hole 731 and a first end cover air outlet hole 732, the second end cover assembly 750 is provided with a second end cover air inlet hole 751 and a second end cover air outlet hole 752, the second end cover air inlet hole 751 and the second end cover air outlet hole 752 are of L-shaped structures, the piston rod assembly 760 comprises a piston connecting rod 762, a first piston 761 positioned at one end of the piston connecting rod 762 and a second piston 763 positioned at the other end of the piston connecting rod 762, the first piston 761 and the second piston 763 are both detachably connected with the piston connecting rod 762, the first piston 761 is positioned inside the first connecting cylinder assembly 720, the second piston 763 is positioned inside the second connecting cylinder assembly 740, the piston connecting rod 762 penetrates through the connecting seat assembly 710, the electric cylinder extension shaft 771 of the electric cylinder assembly 770 is detachably connected with the second piston 763, and bolts penetrate through holes in the electric cylinder mounting plate 772 of the electric cylinder assembly 770 and threaded holes in the second end cover assembly 750 to fixedly connect the electric cylinder assembly 770 and the second end cover assembly 750.
The air intake and exhaust duct 800 includes a first air intake duct 810, a second air intake duct 820, a third air intake duct 830, a fourth air intake duct 840, a first air exhaust duct 850, a second air exhaust duct 860, a third air exhaust duct 870, and a fourth air exhaust duct 880, the first air intake duct 810 communicates with the first end cap air intake port 731, the second air intake duct 820 communicates with the connection block first air intake port 7113, the third air intake duct 830 communicates with the connection block second air intake port 7114, the fourth air intake duct 840 communicates with the second end cap air intake port 751, the first air exhaust duct 850 communicates with the first end cap air exhaust port 732, the second air exhaust duct 860 communicates with the connection block first air exhaust port 7115, the third air exhaust duct 870 communicates with the connection block second air exhaust port 7116, the fourth air exhaust duct 880 communicates with the second end cap air exhaust port 752, the first air intake pipe 810 is provided with a second check valve 811, the second air intake pipe 820 is provided with a third check valve 821, the third air intake pipe 830 is provided with a fourth check valve 831, the fourth air intake pipe 840 is provided with a fifth check valve 841, the first air exhaust pipe 850 is provided with a sixth check valve 851, the second air exhaust pipe 860 is provided with a seventh check valve 861, the third air exhaust pipe 870 is provided with an eighth check valve 871, the fourth air exhaust pipe 880 is provided with a ninth check valve 881, the first air exhaust pipe 850, the second air exhaust pipe 860, the third air exhaust pipe 870 and the fourth air exhaust pipe 880 are all communicated with a main exhaust pipe 890, one end of the main exhaust pipe 890 extends into the aerobic treatment device 500, the main exhaust pipe 890 is provided with a tenth check valve 891 and a plurality of aeration discs 892, the aeration tray 892 is located inside the aerobic treatment apparatus 500.
Referring to fig. 1 and 7, the piston cylinder assembly 700 is divided into four chambers, wherein a sealing area between the first cylinder assembly 720, the first cap assembly 730 and the first piston 761 forms a chamber a, a sealing area between the first cylinder assembly 720, the connection seat assembly 710 and the first piston 761 forms a chamber B, a sealing area between the second cylinder assembly 740, the connection seat assembly 710 and the second piston 763 forms a chamber C, and a sealing area between the second cylinder assembly 740, the first cap assembly 750 and the second piston 763 forms a chamber D, and volumes of the chambers a, B, C and D are changed when the piston rod assembly 760 is moved by the electric cylinder assembly 770.
Through the arrangement of the air intake and exhaust pipelines 800, the first air intake pipeline 810 and the first air exhaust pipeline 850 are connected with the cavity a, the second air intake pipeline 820 and the second air exhaust pipeline 860 are connected with the cavity B, the third air intake pipeline 830 and the third air exhaust pipeline 870 are connected with the cavity C, and the fourth air intake pipeline 840 and the fourth air exhaust pipeline 880 are connected with the cavity D.
The embodiment of the invention also provides a treatment method of the equipment for treating the wastewater and the dust-containing waste gas, which comprises a treatment method S1 of the wastewater, a treatment method S2 of the dust-containing waste gas and a continuous aeration method S3 of the piston cylinder assembly;
Wherein, the wastewater treatment method S1 comprises the following steps:
s11, the first electromagnetic valve 151 and the third electromagnetic valve 201 are opened, the second electromagnetic valve 152 and the fourth electromagnetic valve 202 are closed, external wastewater enters the first wastewater treatment tank 310 through the wastewater inlet three-way pipeline 200, wastewater in the spray tank assembly 100 enters the first wastewater treatment tank 310 through the spray drain three-way pipeline 150, the wastewater in the first wastewater treatment tank 310 is neutralized under the action of a neutralizing agent, when the liquid level of the wastewater reaches a preset height value of the second liquid level sensor 312, the first electromagnetic valve 151 and the third electromagnetic valve 201 are closed, the second electromagnetic valve 152 and the fourth electromagnetic valve 202 are opened, external wastewater enters the second wastewater treatment tank 320 through the wastewater inlet three-way pipeline 200, and wastewater in the spray tank assembly 100 enters the second wastewater treatment tank 320 through the spray drain three-way pipeline 150, after a preset time, the third stop valve 331 is opened, and the neutralized wastewater in the first wastewater treatment tank 310 is discharged through the wastewater drain three-way pipeline 330;
s12, the wastewater in the second wastewater treatment tank 320 is neutralized under the action of a neutralizing agent, when the liquid level of the wastewater reaches a preset height value of the third liquid level sensor 322, the second electromagnetic valve 152 and the fourth electromagnetic valve 202 are closed, the first electromagnetic valve 151 and the third electromagnetic valve 201 are opened, external wastewater enters the first wastewater treatment tank 310 through the wastewater inlet three-way pipeline 200, meanwhile, the wastewater in the spray tank assembly 100 enters the first wastewater treatment tank 310 through the spray liquid outlet three-way pipeline 150, after a preset time, the fourth stop valve 332 is opened, and the neutralized wastewater in the second wastewater treatment tank 320 is discharged through the wastewater liquid outlet three-way pipeline 330;
S13, enabling the wastewater obtained in the step S11 or S12 to flow into a vertical flow constructed wetland tank 400, enabling the wastewater with most ammonia nitrogen removed by the vertical flow constructed wetland tank 400 to enter an aerobic treatment device 500 through a first liquid discharge pipeline 410 for subsequent treatment;
s14, after being treated by the aerobic treatment device 500, clean water flows into the water storage tank assembly 900, the pressurizing water suction pump 931 is started, water in the water storage tank assembly 900 is conveyed to the spraying pipeline 170 through the third liquid discharge pipeline 930, and dust in dust-containing waste gas is removed through the first spray head 171;
the method S2 for treating the dust-containing waste gas comprises the following steps:
s21, dust-containing waste gas enters the spray box shell 110 through the waste gas inlet pipeline 120, solid particles in the dust-containing waste gas are removed through water sprayed by the first spray nozzle 171, the solid particles flow into the waste water treatment box assembly 300 along with liquid to be treated, and gas containing water enters the dryer 610 through the first exhaust pipeline 160 to be dried;
s22, the dried waste gas enters a purifying box assembly 630, and the waste gas is subjected to subsequent adsorption treatment through an activated carbon adsorption plate;
wherein, the piston cylinder assembly continuous aeration S3 comprises the following steps:
s31, starting a motor of the electric cylinder assembly 770 to enable an electric cylinder extension shaft 771 to extend, driving a piston rod assembly 760 to move from a cavity D of the piston cylinder assembly 700 to a cavity A, enabling the volumes of the cavity A and the cavity C of the piston cylinder assembly 700 to be reduced, enabling air pressure to rise, enabling pressurized air to enter a total exhaust pipeline 890 through a first air exhaust pipeline 850 and a third air exhaust pipeline 870, enabling the volumes of a cavity B and a cavity D of the piston cylinder assembly 700 to be increased through an aeration disc 892, enabling the air pressure in the cavity B and the cavity D of the piston cylinder assembly 700 to be lower than the atmospheric pressure, enabling external air to enter the cavity B of the piston cylinder assembly 700 through a second air intake pipeline 820, and enabling external air to enter the cavity D of the piston cylinder assembly 700 through a fourth air intake pipeline 840;
S32, after the electric cylinder extension shaft 771 extends to the limit position for a certain time, the electric cylinder extension shaft 771 is contracted by the PLC control system, the piston rod assembly 760 is driven to move from the cavity A of the piston cylinder assembly 700 to the cavity D, at the moment, the volumes of the cavity B and the cavity D of the piston cylinder assembly 700 become smaller, the air pressure is increased, pressurized air enters the total exhaust pipeline 890 through the second air exhaust pipeline 860 and the fourth air exhaust pipeline 880, aeration is carried out on the aerobic treatment device 500 through the aeration disc 892, meanwhile, the volumes of the cavity A and the cavity C of the piston cylinder assembly 700 become larger, the air pressure in the piston cylinder assembly 700 is lower than the atmospheric pressure, external air enters the cavity A of the piston cylinder assembly 700 through the first air inlet pipeline 810, and outside air enters the cavity C of the piston cylinder assembly 700 through the third air inlet pipeline 830;
s33, after the electric cylinder extension shaft 771 is contracted to the limit position for a certain time, the electric cylinder extension shaft 771 is extended through the PLC control system to drive the piston rod assembly 760 to move from the cavity A of the piston cylinder assembly 700 to the cavity D, at the moment, the volumes of the cavity B and the cavity D of the piston cylinder assembly 700 become smaller, the air pressure is increased, pressurized air enters the total exhaust pipeline 890 through the second air exhaust pipeline 860 and the fourth air exhaust pipeline 880, aeration is carried out on the aerobic treatment device 500 through the aeration disc 892, meanwhile, the volumes of the cavity A and the cavity C of the piston cylinder assembly 700 become larger, the air pressure in the piston cylinder assembly 700 is lower than the atmospheric pressure, external air enters the cavity A of the piston cylinder assembly 700 through the first air inlet pipeline 810, and outside air enters the cavity C of the piston cylinder assembly 700 through the third air inlet pipeline 830;
S34, repeating the above-described loop of S32 and S33.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. An apparatus for treating both waste water and dust-containing waste gas, characterized in that: the device comprises a spray box assembly (100), a wastewater inlet three-way pipeline (200), a wastewater treatment box assembly (300), a vertical flow constructed wetland tank (400), an aerobic treatment device (500), an exhaust gas purification system (600), a piston cylinder assembly (700), an air inlet and exhaust pipeline (800), a water storage tank assembly (900) and a PLC control system;
the waste water treatment tank assembly (300) comprises a first waste water treatment tank (310) and a second waste water treatment tank (320), the spray liquid discharge three-way pipeline (150) of the spray tank assembly (100) is respectively communicated with the first waste water treatment tank (310) and the second waste water treatment tank (320), and the first exhaust pipeline (160) of the spray tank assembly (100) is communicated with the dryer (610) of the waste gas purification system (600);
The wastewater inlet three-way pipeline (200) is respectively communicated with the first wastewater treatment tank (310) and the second wastewater treatment tank (320), the first wastewater treatment tank (310) and the second wastewater treatment tank (320) are provided with a common wastewater drainage three-way pipeline (330), and the vertical flow constructed wetland tank (400) is positioned below the wastewater drainage three-way pipeline (330);
the wastewater flows into the aerobic treatment device (500) through a first liquid discharge pipeline (410) of the vertical flow constructed wetland tank (400);
one end of the water storage tank assembly (900) is communicated with the aerobic treatment device (500), and a third liquid discharge pipeline (930) of the water storage tank assembly (900) extends into the spray tank assembly (100);
the piston cylinder assembly (700) is communicated with the air inlet and outlet pipeline (800), and one end of a total outlet pipeline (890) of the air inlet and outlet pipeline (800) extends into the aerobic treatment device (500).
2. The apparatus for treating both waste water and dust-containing waste gas according to claim 1, wherein: the utility model provides a spray box subassembly (100) still includes spray box casing (110), waste gas admission line (120), first level sensor (130), first blow off pipe (140), spray pipe (170), first supporting seat subassembly (180) and detection manhole, first supporting seat subassembly (180) are located spray box casing (110)'s bottom and right spray box casing (110) play supporting role, spray box casing (110) one side with waste gas admission line (120) are linked together, spray box casing (110) opposite side with first exhaust pipe (160) are linked together, spray box casing (110)'s front is provided with first level sensor (130), spray box casing (110)'s bottom is provided with first blow off pipe (140), spray pipe (170) are located spray box casing (110) inside and rather than fixed.
3. The apparatus for treating both waste water and dust-containing waste gas according to claim 2, wherein: be provided with first stop valve (121) and first check valve (122) on waste gas admission line (120), be provided with first solenoid valve (151) and second solenoid valve (152) on spraying flowing back three-way pipeline (150), be provided with second stop valve (161) on first exhaust pipe (160), be provided with first shower nozzle (171) of a plurality of on spraying pipeline (170), be provided with third solenoid valve (201) and fourth solenoid valve (202) on waste water inflow three-way pipeline (200).
4. The apparatus for treating both waste water and dust-containing waste gas according to claim 1, wherein: the waste water treatment device comprises a first waste water treatment box (310), and is characterized in that a first feeding port (311), a second liquid level sensor (312), a second sewage draining pipeline (313), a second supporting seat assembly (314) and a detection manhole are arranged on the first waste water treatment box (310), the second supporting seat assembly (314) is positioned at the bottom of the first waste water treatment box (310) and plays a supporting role on the first waste water treatment box (310), the first feeding port (311) is positioned at the top of the first waste water treatment box (310), a neutralizing agent is added to the first waste water treatment box (310) through the first feeding port (311), the second liquid level sensor (312) is arranged on the front face of the first waste water treatment box (310), and the second sewage draining pipeline (313) is arranged at the bottom of the first waste water treatment box (310). Be provided with second feed inlet (321), third level sensor (322), third blow off pipeline (323), third supporting seat subassembly (324) and detection manhole on second waste water treatment box (320), be provided with third stop valve (331) and fourth stop valve (332) on waste water flowing back tee bend pipeline (330), the one end of waste water flowing back tee bend pipeline (330) is provided with second shower nozzle (333).
5. The apparatus for treating both waste water and dust-containing waste gas according to claim 1, wherein: a second liquid discharge pipeline (510) and a fourth sewage discharge pipeline (520) are arranged on the aerobic treatment device (500), and a fifth stop valve (511) is arranged on the second liquid discharge pipeline (510); the exhaust gas purification system (600) further comprises a second exhaust pipe (620) and a purification box assembly (630) communicated with the second exhaust pipe (620), and a sixth stop valve (621) is arranged on the second exhaust pipe (620).
6. The apparatus for treating both waste water and dust-containing waste gas according to claim 1, wherein: piston cylinder subassembly (700) include connecting seat subassembly (710), first connecting cylinder subassembly (720), first end cap subassembly (730), second connecting cylinder subassembly (740), second end cap subassembly (750), piston rod subassembly (760), electronic jar subassembly (770) and fourth supporting seat subassembly (780), a plurality of fourth supporting seat subassembly (780) are located the bottom of piston cylinder subassembly (700) and play the supporting role thereof, the one end of connecting seat subassembly (710) has connected gradually first connecting cylinder subassembly (720) with first end cap subassembly (730), the other end of connecting seat subassembly (710) has connected gradually second connecting cylinder subassembly (740), second end cap subassembly (750) with electronic jar subassembly (770), first connecting cylinder subassembly (720) with second connecting cylinder subassembly (740) are hollow structure, piston rod subassembly (760) are located the inside of piston cylinder subassembly (700).
7. The apparatus for treating both waste water and dust-containing waste gas according to claim 6, wherein: the connecting seat assembly (710) comprises a connecting seat (711), a connecting seat sealing gasket (712) and a connecting seat sealing gasket pressing plate (713), a connecting seat through hole (7111) is formed in the center of the connecting seat (711), first grooves (7112) are formed in two ends of the connecting seat through hole (7111), a connecting seat first air inlet hole (7113) and a connecting seat second air inlet hole (7114) are formed in the top of the connecting seat (711), a connecting seat first air outlet hole (7115) and a connecting seat second air outlet hole (7116) are formed in the bottom of the connecting seat (711), a plurality of second grooves (7131) are formed in the connecting seat sealing gasket pressing plate (713), a first end cover air inlet hole (762) and a first end cover (732) are formed in the first end cover assembly (730), a second end cover (751) and a second end cover 731) are formed in the second end cover assembly (750), the piston rod assembly (760) comprises a piston connecting rod (761), a first piston (761) and a second piston (761) at one end of the piston connecting rod (763) and a second piston (763) can be detached from the second piston (763), the piston connecting rod (762) extends through the connector block assembly (710).
8. The apparatus for treating both waste water and dust-containing waste gas as claimed in claim 7, wherein: the air inlet and outlet pipeline (800) comprises a first air inlet pipeline (810), a second air inlet pipeline (820), a third air inlet pipeline (830), a fourth air inlet pipeline (840), a first air outlet pipeline (850), a second air outlet pipeline (860), a third air outlet pipeline (870) and a fourth air outlet pipeline (880), a second one-way valve (811) is arranged on the first air inlet pipeline (810), a third one-way valve (821) is arranged on the second air inlet pipeline (820), a fourth one-way valve (831) is arranged on the third air inlet pipeline (830), a fifth one-way valve (841) is arranged on the fourth air inlet pipeline (840), a sixth one-way valve (851) is arranged on the first air outlet pipeline (850), a seventh one-way valve (861) is arranged on the second air outlet pipeline (860), an eighth one-way valve (871) is arranged on the third air outlet pipeline (870), a fourth one-way valve (881) is arranged on the fourth air outlet pipeline (880), the fourth air outlet pipeline (870) is communicated with the fourth air outlet pipeline (890), the fourth air outlet pipeline (860) is communicated with the air outlet pipeline (860), a tenth one-way valve (891) and a plurality of aeration discs (892) are arranged on the main exhaust pipeline (890).
9. The apparatus for treating both waste water and dust-containing waste gas according to claim 1, wherein: the water storage tank assembly (900) comprises a water storage tank body, a tap water inlet pipeline (910), a fifth sewage drainage pipeline (920), a third liquid drainage pipeline (930), an overflow pipeline (940) and a fourth liquid level sensor (950), wherein the tap water inlet pipeline (910) is located at the top of the water storage tank body, a fifth electromagnetic valve (911) is arranged on the tap water inlet pipeline (910), a booster water suction pump (931) is arranged on the third liquid drainage pipeline (930), the overflow pipeline (940) is located at the top of the fifth sewage drainage pipeline (920), and the fourth liquid level sensor (950) is located at the front of the water storage tank body.
10. The method for treating an apparatus for treating both waste water and dust-containing waste gas according to any one of claims 1 to 9, characterized in that: the processing method comprises the following steps:
s1, a wastewater treatment method;
s2, a dust-containing waste gas treatment method;
s3, a piston cylinder assembly continuous aeration method;
wherein, the wastewater treatment method S1 comprises the following steps:
s11, a first electromagnetic valve (151) and a third electromagnetic valve (201) are opened, a second electromagnetic valve (152) and a fourth electromagnetic valve (202) are closed, external wastewater enters a first wastewater treatment tank (310) through a wastewater inlet three-way pipeline (200), wastewater in a spray tank assembly (100) enters the first wastewater treatment tank (310) through a spray liquid outlet three-way pipeline (150), the wastewater in the first wastewater treatment tank (310) is neutralized under the action of a neutralizing agent, when the liquid level of the wastewater reaches a preset height value of a second liquid level sensor (312), the first electromagnetic valve (151) and the third electromagnetic valve (201) are closed, the second electromagnetic valve (152) and the fourth electromagnetic valve (202) are opened, external wastewater enters the second wastewater treatment tank (320) through the wastewater inlet three-way pipeline (200), and the wastewater in the spray tank assembly (100) enters the second wastewater treatment tank (320) through the spray liquid outlet three-way pipeline (150), and after the preset time, a third stop valve (331) is opened, the wastewater in the first wastewater treatment tank (310) and the wastewater in the first wastewater treatment tank (330) is discharged from the liquid outlet three-way pipeline (330);
S12, the wastewater in the second wastewater treatment tank (320) is neutralized under the action of a neutralizing agent, when the liquid level of the wastewater reaches a height value preset by a third liquid level sensor (322), the second electromagnetic valve (152) and the fourth electromagnetic valve (202) are closed, the first electromagnetic valve (151) and the third electromagnetic valve (201) are opened, external wastewater enters the first wastewater treatment tank (310) through a wastewater inlet three-way pipeline (200), meanwhile, the wastewater in the spray tank assembly (100) enters the first wastewater treatment tank (310) through a spray drain three-way pipeline (150), after a preset time, the fourth stop valve (332) is opened, and the neutralized wastewater in the second wastewater treatment tank (320) is discharged through a wastewater drain three-way pipeline (330);
s13, enabling the wastewater obtained in the step S11 or S12 to flow into a vertical flow constructed wetland tank (400), enabling the wastewater with most ammonia nitrogen removed by the vertical flow constructed wetland tank (400) to enter an aerobic treatment device (500) through a first liquid discharge pipeline (410) for subsequent treatment;
s14, after being treated by the aerobic treatment device (500), the clear water flows into the water storage tank assembly (900), the pressurizing water suction pump (931) is started, water in the water storage tank assembly (900) is conveyed to the spraying pipeline (170) through the third liquid discharge pipeline (930), and dust in dust-containing waste gas is removed through the first spray head (171);
The method S2 for treating the dust-containing waste gas comprises the following steps:
s21, enabling dust-containing waste gas to enter a spray box shell (110) through a waste gas inlet pipeline (120), removing solid particles in the dust-containing waste gas through water sprayed by a first spray nozzle (171), enabling the solid particles to flow into a waste water treatment box assembly (300) along with liquid for treatment, and enabling the gas containing moisture to enter a dryer (610) through a first exhaust pipeline (160) for drying;
s22, enabling the dried waste gas to enter a purifying box assembly (630), and carrying out subsequent adsorption treatment on the waste gas through an activated carbon adsorption plate;
wherein, the piston cylinder assembly continuous aeration S3 comprises the following steps:
s31, starting a motor of an electric cylinder assembly (770), enabling an electric cylinder extension shaft (771) to extend, driving a piston rod assembly (760) to move from a cavity D of a piston cylinder assembly (700) to a cavity A, enabling the volumes of the cavity A and the cavity C of the piston cylinder assembly (700) to be reduced, enabling air pressure to rise, enabling pressurized air to enter a main exhaust pipeline (890) through a first air exhaust pipeline (850) and a third air exhaust pipeline (870), enabling the volumes of a cavity B and a cavity D of the piston cylinder assembly (700) to be increased, enabling the air pressure inside the cavity B and the cavity D of the piston cylinder assembly to be lower than the atmospheric pressure, enabling external air to enter the cavity B of the piston cylinder assembly (700) through a second air intake pipeline (820), and enabling external air to enter the cavity D of the piston cylinder assembly (700) through a fourth air intake pipeline (840);
S32, after the electric cylinder extension shaft (771) extends to the limit position for a certain time, the electric cylinder extension shaft (771) is contracted through the PLC control system, the piston rod assembly (760) is driven to move from the cavity A of the piston cylinder assembly (700) to the cavity D, at the moment, the volumes of the cavity B and the cavity D of the piston cylinder assembly (700) are reduced, the air pressure is increased, pressurized air enters the total exhaust pipeline (890) through the second air exhaust pipeline (860) and the fourth air exhaust pipeline (880), aeration is carried out on the aerobic treatment device (500) through the aeration disc (892), meanwhile, the volumes of the cavity A and the cavity C of the piston cylinder assembly (700) are increased, the air pressure in the piston rod assembly is lower than the atmospheric pressure, external air enters the cavity A of the piston cylinder assembly (700) through the first air inlet pipeline (810), and the external air enters the cavity C of the piston cylinder assembly (700) through the third air inlet pipeline (830);
s33, after the electric cylinder extension shaft (771) is contracted to the limit position for a certain time, the electric cylinder extension shaft (771) is extended through the PLC control system to drive the piston rod assembly (760) to move from the cavity A of the piston cylinder assembly (700) to the cavity D, at the moment, the volumes of the cavity B and the cavity D of the piston cylinder assembly (700) are reduced, the air pressure is increased, pressurized air enters the total exhaust pipeline (890) through the second air exhaust pipeline (860) and the fourth air exhaust pipeline (880), aeration is carried out on the aerobic treatment device (500) through the aeration disc (892), meanwhile, the volumes of the cavity A and the cavity C of the piston cylinder assembly (700) are increased, the air pressure in the piston rod assembly is lower than the atmospheric pressure, external air enters the cavity A of the piston cylinder assembly (700) through the first air inlet pipeline (810), and the external air enters the cavity C of the piston cylinder assembly (700) through the third air inlet pipeline (830);
S34, repeating the above-described loop of S32 and S33.
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CN115304162A (en) * | 2022-08-17 | 2022-11-08 | 武汉东碧环保科技有限公司 | Rural domestic sewage treatment device and sewage treatment method |
WO2023019702A1 (en) * | 2021-08-16 | 2023-02-23 | 浙江海河环境科技有限公司 | Method and device for combined treatment of waste water and waste gas |
CN116813094A (en) * | 2023-07-21 | 2023-09-29 | 湖北展鹏电子材料有限公司 | Waste gas and waste water centralized treatment device and treatment method thereof |
CN220026570U (en) * | 2023-05-31 | 2023-11-17 | 重庆工商大学 | Three-waste combined treatment system applied to scenic spot |
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WO2023019702A1 (en) * | 2021-08-16 | 2023-02-23 | 浙江海河环境科技有限公司 | Method and device for combined treatment of waste water and waste gas |
CN115304162A (en) * | 2022-08-17 | 2022-11-08 | 武汉东碧环保科技有限公司 | Rural domestic sewage treatment device and sewage treatment method |
CN220026570U (en) * | 2023-05-31 | 2023-11-17 | 重庆工商大学 | Three-waste combined treatment system applied to scenic spot |
CN116813094A (en) * | 2023-07-21 | 2023-09-29 | 湖北展鹏电子材料有限公司 | Waste gas and waste water centralized treatment device and treatment method thereof |
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