CN214218478U - Comprehensive wastewater treatment system - Google Patents
Comprehensive wastewater treatment system Download PDFInfo
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- CN214218478U CN214218478U CN202022813563.6U CN202022813563U CN214218478U CN 214218478 U CN214218478 U CN 214218478U CN 202022813563 U CN202022813563 U CN 202022813563U CN 214218478 U CN214218478 U CN 214218478U
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- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 32
- 238000004062 sedimentation Methods 0.000 claims abstract description 65
- 239000002351 wastewater Substances 0.000 claims abstract description 52
- 238000000746 purification Methods 0.000 claims abstract description 37
- 239000010802 sludge Substances 0.000 claims description 56
- 238000003756 stirring Methods 0.000 claims description 47
- 230000015271 coagulation Effects 0.000 claims description 36
- 238000005345 coagulation Methods 0.000 claims description 36
- 230000007246 mechanism Effects 0.000 claims description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- 239000007788 liquid Substances 0.000 claims description 22
- 239000010865 sewage Substances 0.000 claims description 21
- 230000001105 regulatory effect Effects 0.000 claims description 17
- 238000001914 filtration Methods 0.000 claims description 15
- 238000005273 aeration Methods 0.000 claims description 13
- 238000005086 pumping Methods 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 6
- 238000011049 filling Methods 0.000 claims description 4
- 238000005070 sampling Methods 0.000 claims description 4
- 238000013019 agitation Methods 0.000 claims 8
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 20
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 5
- 239000003814 drug Substances 0.000 description 19
- 230000010412 perfusion Effects 0.000 description 7
- 239000003344 environmental pollutant Substances 0.000 description 6
- 231100000719 pollutant Toxicity 0.000 description 6
- 229940079593 drug Drugs 0.000 description 5
- 238000002203 pretreatment Methods 0.000 description 5
- 241001148470 aerobic bacillus Species 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000003750 conditioning effect Effects 0.000 description 3
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- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 239000010842 industrial wastewater Substances 0.000 description 2
- 229920002401 polyacrylamide Polymers 0.000 description 2
- 239000006228 supernatant Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
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Abstract
The utility model discloses an integrated wastewater treatment system relates to the field of wastewater treatment systems, and is provided with a preposed treatment device, a purification sedimentation device and a biological treatment device, wherein the purification sedimentation device is respectively communicated with the preposed treatment device and the biological treatment device, the preposed treatment device is used for carrying out preposed pretreatment on wastewater, the purification sedimentation device is used for carrying out sedimentation purification treatment on the pretreated wastewater, and the biological treatment device is used for carrying out biological purification on the sedimentation purified wastewater, so that the purified wastewater can reach a preset emission standard; the arrangement of the biological treatment device can effectively remove organic matters, thereby improving the cleanness of the wastewater; in the working process of the secondary sedimentation tank, heavy metal capturing agents can be continuously added, and the heavy metal in the wastewater is prevented from exceeding the standard.
Description
Technical Field
The utility model relates to a waste water treatment system field especially relates to a synthesize waste water treatment system.
Background
Because social environmental pollution and fresh water resource shortage grow more and more serious in recent years, the quality of effluent water treated by environmental protection related departments is more and more strict, the early-built wastewater treatment facility and process can not meet the current treatment requirement and recycling requirement, and some water quality detection projects of effluent water treated by the original facility can not stably reach the four-class water discharge standard of the current environmental protection earth surface;
the existing wastewater treatment system has simple procedures, and cannot effectively filter wastewater, and particularly, for partial wastewater, if the wastewater is directly discharged after being treated by the existing wastewater treatment system, the pH value of the treated wastewater is still high and still cannot reach the preset discharge standard;
secondly, various pollutants which are difficult to remove, such as organic matters and the like, often exist in the factory wastewater, the organic matters cannot be effectively removed by the conventional wastewater treatment system, and the environmental cleanliness is seriously threatened by the directly discharged wastewater;
in addition, a certain amount of heavy metals are usually mixed in the industrial wastewater, particularly, for the circuit board industry and the electroplating industry, heavy metal pollutants in the industrial wastewater are more seriously overproof, the heavy metal pollutants in the directly discharged wastewater have the characteristics of long-term continuous toxic effect and no biological degradability, and can enter a human body through the action of a food chain and be accumulated in the human body, so that various diseases and functional disorders are caused, and finally, the health of the human body is seriously damaged.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the weak point among the prior art, providing a synthesize effluent disposal system, this synthesize effluent disposal system not only can solve waste water still can not reach predetermined emission standard's technical problem after handling, can also solve the technical problem that the organic matter in the waste water is difficult to dispel, also can solve the technical problem that the waste water after handling still heavy metal exceeds standard simultaneously.
The purpose of the utility model is realized through the following technical scheme:
an integrated wastewater treatment system comprising:
the pretreatment device comprises a grating well, a regulating tank, a pre-pump, an acidity regulating tank and a pre-coagulation tank, wherein the grating well is used for accommodating wastewater, the grating well is communicated with the regulating tank, the pre-pump is used for pumping the wastewater in the regulating tank into the acidity regulating tank, and the pre-coagulation tank is communicated with the acidity regulating tank;
the purification and sedimentation device comprises a primary sedimentation tank, a primary coagulation tank, an intermediate pump, a secondary coagulation tank, a secondary sedimentation tank and an alkalinity adjusting tank, wherein the primary sedimentation tank is communicated with the pre-coagulation tank, the primary coagulation tank is communicated with the upper part of the primary sedimentation tank, the intermediate pump is used for pumping sewage in the primary coagulation tank to the secondary coagulation tank, the secondary sedimentation tank is communicated with the secondary coagulation tank, and the alkalinity adjusting tank is communicated with the upper part of the secondary sedimentation tank; and
the biological treatment device comprises an anaerobic tank, an aerobic tank, a biochemical sedimentation tank and a clean water tank, wherein the anaerobic tank is communicated with the alkalinity adjusting tank, the aerobic tank is communicated with the anaerobic tank and the biochemical sedimentation tank respectively, and the clean water tank is communicated with the upper part of the biochemical sedimentation tank.
In one of them embodiment, biological treatment device still includes mud return mechanism, mud return mechanism includes mud delivery pipe, mud backwash pump and mud perfusion tube, the one end of mud delivery pipe with biochemical sedimentation tank's bottom intercommunication, the other end of mud delivery pipe with the input intercommunication of mud backwash pump, the one end of mud perfusion tube with the output intercommunication of mud backwash pump, the other end of mud perfusion tube with anaerobism pond intercommunication.
In one embodiment, the integrated wastewater treatment system further comprises a sludge filtering device, the sludge filtering device comprises a sludge pool, a delivery pump and a filter press, the sludge pool is respectively communicated with the bottoms of the primary sedimentation pool and the secondary sedimentation pool, and the delivery pump is used for delivering the sludge in the sludge pool to the filter press.
In one embodiment, the purifying and settling device further comprises a dosing mechanism, the dosing mechanism comprises a medicine tank, a stirring motor, a stirring shaft and a dosing pump, the stirring motor is used for driving the stirring shaft to rotate, the stirring shaft is used for stirring the liquid medicine in the medicine tank, and the dosing pump is used for conveying the liquid medicine in the medicine tank to the secondary coagulation tank.
In one embodiment, the grid well comprises a well body, a first grid net and a second grid net, wherein the first grid net and the second grid net are respectively arranged in the well body, and the first grid net and the second grid net are overlapped with each other, so that the first grid net and the second grid net jointly enclose a plurality of filtering holes.
In one embodiment, the biological treatment device further comprises an aerobic aeration mechanism, the aerobic aeration mechanism comprises an air pump and an air outlet pipe, the air outlet pipe is communicated with the air outlet end of the air pump, and the air outlet pipe is arranged at the bottom of the aerobic tank.
In one embodiment, the aerobic aeration mechanism further comprises an aerobic stirring assembly, the aerobic stirring assembly comprises an aerobic motor, an aerobic stirring shaft and a stirring blade, the aerobic motor is used for driving the aerobic stirring shaft to rotate, the aerobic stirring shaft is located in the aerobic tank, and the stirring blade is arranged on the aerobic stirring shaft.
In one embodiment, the outlet pipe is provided with a plurality of outlet holes, and the outlet holes are distributed in an equidistant array.
In one embodiment, the aerobic aeration mechanism further comprises a liquid level meter, and the liquid level meter is communicated with the interior of the clean water tank.
In one embodiment, a sampling window is arranged on the clean water tank.
Compared with the prior art, the utility model discloses advantage and beneficial effect below having at least:
the utility model discloses an integrated wastewater treatment system relates to the field of wastewater treatment systems, and is provided with a preposed treatment device, a purification sedimentation device and a biological treatment device, wherein the purification sedimentation device is respectively communicated with the preposed treatment device and the biological treatment device, the preposed treatment device is used for carrying out preposed pretreatment on wastewater, the purification sedimentation device is used for carrying out sedimentation purification treatment on the pretreated wastewater, and the biological treatment device is used for carrying out biological purification on the sedimentation purified wastewater, so that the purified wastewater can reach a preset emission standard; the arrangement of the biological treatment device can effectively remove organic matters, thereby improving the cleanness of the wastewater; in the working process of the secondary sedimentation tank, heavy metal capturing agents can be continuously added, and the heavy metal in the wastewater is prevented from exceeding the standard.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic view of an integrated wastewater treatment system according to an embodiment of the present invention;
FIG. 2 is a schematic view of a portion of an integrated wastewater treatment system according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of an integrated wastewater treatment system according to another embodiment of the present invention;
fig. 4 is a schematic structural view of a grid well according to an embodiment of the present invention.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, the integrated wastewater treatment system 10 includes a pre-treatment device 100, a purification and sedimentation device 200, and a biological treatment device 300, wherein the pre-treatment device 100 is connected to a wastewater discharge port, the purification and sedimentation device 200 is connected to a discharge port of the pre-treatment device 100, and the biological treatment device 300 is connected to a discharge port of the purification and sedimentation device 200.
It should be noted that the integrated wastewater treatment system 10 is used for purifying wastewater so that the wastewater can reach the discharge standard; the pre-treatment device is used for pre-treating the wastewater; the purifying and settling device is used for carrying out settling and purifying treatment on the pretreated wastewater; the biological treatment device is used for biologically purifying the wastewater after sedimentation and purification.
Referring to fig. 1, the pre-treatment apparatus 100 includes a grid well 110, a conditioning tank 120, a pre-pump 130, an acidity adjustment tank 140, and a pre-coagulation tank 150, wherein the grid well 110 is used for accommodating wastewater, the grid well 110 is communicated with the conditioning tank 120, the pre-pump 130 is used for pumping wastewater in the conditioning tank 120 into the acidity adjustment tank 140, and the pre-coagulation tank 150 is communicated with the acidity adjustment tank 140.
It should be noted that the grid well 110 is used for filtering wastewater, and only the particulate matters with the aperture up to the standard can enter the subsequent purification link; the regulating reservoir 120 is used for regulating the amount of water delivered to the subsequent purification process, and specifically, the amount of water discharged from the regulating reservoir 120 can be controlled by a flow control valve; meanwhile, the adjusting tank 120 is also used for uniformly mixing the sewage to improve the distribution uniformity of the pollutants in the wastewater, so that the pollutants in the wastewater can be uniformly and stably conveyed to a subsequent purification link, which is more beneficial to the purification of the wastewater, and specifically, the purpose of improving the distribution uniformity of the pollutants can be achieved by using a motor to drive a stirring shaft to stir the sewage; the pre-pump 130 is used for conveying the regulated sewage to the acidity regulating tank 140 for acidity regulation; the acidity adjusting tank 140 is used for neutralizing acidic molecules in the sewage, specifically, the acidic molecules in the sewage can be neutralized by injecting a liquid medicine, and specifically, a liquid medicine injecting mechanism in the prior art can be used for injecting a liquid medicine capable of adjusting the acidity of the sewage in the prior art; the pre-coagulation tank 150 is used for removing heavy metals in sewage, and specifically, the heavy metal content in sewage can be reduced by adding polyaluminium chloride and polyacrylamide.
Referring to fig. 1, the purification settling apparatus 200 includes a primary settling tank 210, a primary coagulation tank 220, an intermediate pump 230, a secondary coagulation tank 240, a secondary settling tank 250, and an alkalinity adjusting tank 260, wherein the primary settling tank 210 is communicated with the pre-coagulation tank 150, the primary coagulation tank 220 is communicated with the upper portion of the primary settling tank 210, the intermediate pump 230 is used for pumping sewage in the primary coagulation tank 220 to the secondary coagulation tank 240, the secondary settling tank 250 is communicated with the secondary coagulation tank 240, and the alkalinity adjusting tank 260 is communicated with the upper portion of the secondary settling tank 250.
It should be noted that the primary sedimentation tank 210 is used for sedimentation and purification treatment of sewage, and the sewage may be layered after standing for a period of time, wherein sludge may be deposited on the bottom of the tank body;
the primary coagulation tank 220 is used for removing secondary heavy metals from the supernatant flowing out of the primary sedimentation tank 210, and the heavy metal content in the sewage can be reduced by adding polyaluminium chloride and polyacrylamide; the intermediate pump 230 is used for conveying the sewage after the secondary heavy metal removal in the primary coagulation tank 220 to the secondary coagulation tank 240; the secondary coagulation tank 240 is used for removing heavy metals for the third time from the sewage after removing heavy metals for the second time, and certainly, in this step, the remaining heavy metal substances in the wastewater can be purified in a targeted manner to further reduce the heavy metal content of the wastewater; the secondary sedimentation tank 250 is used for carrying out secondary sedimentation purification on the wastewater after the tertiary heavy metal purification; the alkalinity adjusting tank 260 is used for adjusting the alkalinity of the supernatant liquid subjected to secondary sedimentation purification so as to reduce the alkalinity in the wastewater, so that the pH value of the wastewater can be further close to the discharge standard.
Referring to fig. 1 and 2, the biological treatment apparatus 300 includes an anaerobic tank 310, an aerobic tank 320, a biochemical sedimentation tank 330, and a clean water tank 340, wherein the anaerobic tank 310 is communicated with the alkalinity adjusting tank 260, the aerobic tank 320 is respectively communicated with the anaerobic tank 310 and the biochemical sedimentation tank 330, and the clean water tank 340 is communicated with the upper portion of the biochemical sedimentation tank 330.
It should be noted that the anaerobic tank 310 is used for purifying sewage by using anaerobic bacteria; the aerobic tank 320 is used for purifying the sewage after anaerobic purification by using aerobic bacteria; the biochemical sedimentation tank 330 is provided with a last-stage microorganism purification link so as to further purify organic matters in the wastewater after aerobic purification; the clean water tank 340 is used for accommodating the clean water purified by the biochemical sedimentation tank 330.
Referring to fig. 1 and 2, in one embodiment, the biological treatment apparatus 300 further includes a sludge recirculation mechanism 350, the sludge recirculation mechanism 350 includes a sludge discharge pipe 351, a sludge recirculation pump 352 and a sludge perfusion pipe 353, one end of the sludge discharge pipe is communicated with the bottom of the biochemical sedimentation tank, the other end of the sludge discharge pipe is communicated with the input end of the sludge recirculation pump, one end of the sludge perfusion pipe is communicated with the output end of the sludge recirculation pump, and the other end of the sludge perfusion pipe is communicated with the anaerobic tank 310.
The sludge backflow mechanism 350 is used for pumping the sludge settled in the biochemical sedimentation tank 330 back to the anaerobic tank 310; the sludge discharge pipe 351 and the sludge perfusion pipe 353 are used for guiding the flow of sludge; sludge return pump 352 is used to pump sludge.
Referring to fig. 1, in one embodiment, the integrated wastewater treatment system 10 further includes a sludge filtering device 400, the sludge filtering device 400 includes a sludge tank 410, a delivery pump 420 and a filter press 430, the sludge tank 410 is respectively communicated with the bottoms of the primary sedimentation tank 210 and the secondary sedimentation tank 250, and the delivery pump 420 is used for delivering the sludge in the sludge tank 410 to the filter press 430.
The sludge filtering apparatus 400 is used for filtering and dewatering sludge; the sludge tank 410 is used for accommodating sludge settled from the primary settling tank 210 and the secondary settling tank 250; the delivery pump 420 is used for delivering the sludge to the filter press 430; the filter press 430 is used for squeezing and filtering the sludge to reduce the water content in the sludge and achieve the purpose of filtering the water; specifically, the filter press 430 may be a plate filter press that is commercially available and can be used to perform a dehydration purification process on sludge.
Referring to fig. 3, in one embodiment, the purification and sedimentation device 200 further includes a dosing mechanism 270, the dosing mechanism 270 includes a drug tank 271, a stirring motor 272, a stirring shaft 273 and a dosing pump 274, the stirring motor 272 is used for driving the stirring shaft 273 to rotate, the stirring shaft 273 is used for stirring the liquid drug in the drug tank 271, and the dosing pump 274 is used for delivering the liquid drug in the drug tank to the secondary coagulation tank 240.
The dosing mechanism 270 is used for filling a predetermined liquid medicine into the secondary coagulation tank 240 to purify the sewage; the medicine tank 271 is used for containing medicine liquid; the stirring motor 272 is used for driving the stirring shaft 273 to rotate; the stirring shaft 273 is used for stirring the liquid medicine in the medicine tank; the dosing pump 274 is used to pump the liquid medicine from the canister.
Referring to fig. 4, in one embodiment, the grid well 110 includes a well body 111, a first grid net 112 and a second grid net 113, the first grid net 112 and the second grid net 113 are respectively disposed in the well body 111, and the first grid net 112 and the second grid net 113 are overlapped with each other, so that the first grid net 112 and the second grid net 113 jointly enclose a plurality of filtering holes 114.
The well 111 is used for containing waste water; the first grille net 112 and the second grille net 113 are overlapped with each other and are used for filtering the waste water together; the filter holes 114 are used to pass contaminated water and a predetermined volume of particulate matter.
Referring to fig. 2, in one embodiment, the biological treatment apparatus 300 further includes an aerobic aeration mechanism 360, the aerobic aeration mechanism 360 includes an air pump 361 and an air outlet pipe 362, the air outlet pipe 362 is communicated with an air outlet end of the air pump 361, and the air outlet pipe 362 is disposed at the bottom of the aerobic tank 320.
The aerobic aeration mechanism 360 is used for aerating the aerobic tank 320; the air pump 361 is used for delivering air; the outlet pipe 362 is used for releasing the gas into the aerobic tank 320.
Further, in one embodiment, the outlet pipe 362 has a plurality of outlets, and the outlets are arranged in an equidistant array.
It should be noted that the vent hole is formed, so that the gas in the gas outlet pipe 362 can be released into the aerobic tank 320, thereby achieving the purpose of improving the activity of the aerobic bacteria in the aerobic tank 320.
Further, referring to fig. 2, in one embodiment, the aerobic aeration mechanism 360 further includes an aerobic stirring assembly, the aerobic stirring assembly includes an aerobic motor 363, an aerobic stirring shaft 364, and a stirring blade 365, the aerobic motor 363 is configured to drive the aerobic stirring shaft 364 to rotate, the aerobic stirring shaft 364 is located in the aerobic tank 320, and the stirring blade 365 is disposed on the aerobic stirring shaft 364.
It should be noted that the aerobic motor 363 is used for driving the aerobic stirring shaft 364 to rotate; the aerobic stirring shaft 364 is used for driving the stirring blade 365 to rotate; the stirring blade 365 is used for stirring the sewage in the aerobic tank; in the practical application process, the gas released by the gas outlet pipe 362 can be uniformly mixed to each position in the aerobic tank by the stirring of the stirring blades 365, so that the activity of aerobic bacteria at each position can be effectively improved, and the purification effect of sewage is further improved.
Further, referring to fig. 2, in one embodiment, the aerobic aeration mechanism 360 further comprises a liquid level gauge 366, and the liquid level gauge 366 is communicated with the interior of the clean water tank 340.
It should be noted that the liquid level gauge 366 is provided to improve the convenience of observing the liquid level of the clean water tank 340.
Further, referring to fig. 2, in one embodiment, a sampling window 341 is disposed on the clean water tank 340.
It should be noted that, the setting of sampling window 341 makes things convenient for operating personnel to sample the quality of water in clean water basin 340.
Compared with the prior art, the utility model discloses advantage and beneficial effect below having at least:
the utility model discloses an integrated wastewater treatment system relates to the field of wastewater treatment systems, and is provided with a preposed treatment device, a purification sedimentation device and a biological treatment device, wherein the purification sedimentation device is respectively communicated with the preposed treatment device and the biological treatment device, the preposed treatment device is used for carrying out preposed pretreatment on wastewater, the purification sedimentation device is used for carrying out sedimentation purification treatment on the pretreated wastewater, and the biological treatment device is used for carrying out biological purification on the sedimentation purified wastewater, so that the purified wastewater can reach a preset emission standard; the arrangement of the biological treatment device can effectively remove organic matters, thereby improving the cleanness of the wastewater; in the working process of the secondary sedimentation tank, heavy metal capturing agents can be continuously added, and the heavy metal in the wastewater is prevented from exceeding the standard.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. An integrated wastewater treatment system, comprising:
the pretreatment device comprises a grating well, a regulating tank, a pre-pump, an acidity regulating tank and a pre-coagulation tank, wherein the grating well is used for accommodating wastewater, the grating well is communicated with the regulating tank, the pre-pump is used for pumping the wastewater in the regulating tank into the acidity regulating tank, and the pre-coagulation tank is communicated with the acidity regulating tank;
the purification and sedimentation device comprises a primary sedimentation tank, a primary coagulation tank, an intermediate pump, a secondary coagulation tank, a secondary sedimentation tank and an alkalinity adjusting tank, wherein the primary sedimentation tank is communicated with the pre-coagulation tank, the primary coagulation tank is communicated with the upper part of the primary sedimentation tank, the intermediate pump is used for pumping sewage in the primary coagulation tank to the secondary coagulation tank, the secondary sedimentation tank is communicated with the secondary coagulation tank, and the alkalinity adjusting tank is communicated with the upper part of the secondary sedimentation tank; and
the biological treatment device comprises an anaerobic tank, an aerobic tank, a biochemical sedimentation tank and a clean water tank, wherein the anaerobic tank is communicated with the alkalinity adjusting tank, the aerobic tank is communicated with the anaerobic tank and the biochemical sedimentation tank respectively, and the clean water tank is communicated with the upper part of the biochemical sedimentation tank.
2. The integrated wastewater treatment system according to claim 1, wherein the biological treatment device further comprises a sludge return mechanism, the sludge return mechanism comprises a sludge discharge pipe, a sludge return pump and a sludge filling pipe, one end of the sludge discharge pipe is communicated with the bottom of the biochemical sedimentation tank, the other end of the sludge discharge pipe is communicated with the input end of the sludge return pump, one end of the sludge filling pipe is communicated with the output end of the sludge return pump, and the other end of the sludge filling pipe is communicated with the anaerobic tank.
3. The integrated wastewater treatment system according to claim 1, further comprising a sludge filtering device, wherein the sludge filtering device comprises a sludge tank, a delivery pump and a filter press, the sludge tank is respectively communicated with the bottoms of the primary sedimentation tank and the secondary sedimentation tank, and the delivery pump is used for delivering the sludge in the sludge tank to the filter press.
4. The integrated wastewater treatment system according to claim 1, wherein the purification and sedimentation device further comprises a dosing mechanism, the dosing mechanism comprises a chemical tank, a stirring motor, a stirring shaft and a dosing pump, the stirring motor is used for driving the stirring shaft to rotate, the stirring shaft is used for stirring the chemical liquid in the chemical tank, and the dosing pump is used for conveying the chemical liquid in the chemical tank into the secondary coagulation tank.
5. The integrated wastewater treatment system according to claim 1, wherein the grid well comprises a well body, a first grid net and a second grid net, the first grid net and the second grid net are respectively disposed in the well body, and the first grid net and the second grid net are overlapped with each other, so that the first grid net and the second grid net jointly enclose a plurality of filtering holes.
6. The integrated wastewater treatment system according to claim 1, wherein the biological treatment device further comprises an aerobic aeration mechanism, the aerobic aeration mechanism comprises an air pump and an air outlet pipe, the air outlet pipe is communicated with the air outlet end of the air pump, and the air outlet pipe is arranged at the bottom of the aerobic tank.
7. The integrated wastewater treatment system according to claim 6, wherein the aerobic aeration mechanism further comprises an aerobic agitation assembly, the aerobic agitation assembly comprises an aerobic motor, an aerobic agitation shaft and an agitation blade, the aerobic motor is used for driving the aerobic agitation shaft to rotate, the aerobic agitation shaft is located in the aerobic tank, and the agitation blade is arranged on the aerobic agitation shaft.
8. The integrated wastewater treatment system according to claim 6, wherein the outlet pipe is provided with a plurality of outlet holes, and the outlet holes are distributed in an equidistant array.
9. The integrated wastewater treatment system according to claim 6, wherein the aerobic aeration mechanism further comprises a liquid level meter, the liquid level meter being in communication with the interior of the clean water basin.
10. The integrated wastewater treatment system according to claim 1 or 6, wherein a sampling window is provided on the clean water tank.
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Denomination of utility model: Integrated wastewater treatment system Granted publication date: 20210917 Pledgee: China Co. truction Bank Corp Huizhou branch Pledgor: Guangdong huizhitong energy and Environmental Protection Development Co.,Ltd. Registration number: Y2024980015777 |
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