CN110627318B - Efficient multistage treatment process for industrial wastewater - Google Patents
Efficient multistage treatment process for industrial wastewater Download PDFInfo
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- CN110627318B CN110627318B CN201910879003.XA CN201910879003A CN110627318B CN 110627318 B CN110627318 B CN 110627318B CN 201910879003 A CN201910879003 A CN 201910879003A CN 110627318 B CN110627318 B CN 110627318B
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- 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
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
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- 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
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
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- 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
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
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- 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
- C02F3/28—Anaerobic digestion processes
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Abstract
The invention relates to the field of water treatment, in particular to an efficient multistage treatment process for industrial wastewater, wherein a wastewater treatment device used in the process comprises a sand setting mechanism, a floating oil cleaning mechanism, an emulsified oil cleaning mechanism, a mercury removing mechanism, an anaerobic chamber and a disinfection and neutralization mechanism, the invention can filter and precipitate garbage and sand in the wastewater as far as possible by arranging a sand setting box so as to reduce the garbage content of the wastewater, can separate and decompose floating oil and emulsified oil in the wastewater by arranging a first clear oil tank and a second clear oil tank so as to reduce the oil content in the wastewater, and then is provided with a mercury removing tank so as to further carry out secondary precipitation and mercury removal on the wastewater so as to further reduce the garbage and mercury content in the wastewater, and finally is disinfected and neutralized by arranging a disinfection and neutralization tank after anaerobic reaction so as to improve the cleanliness of the wastewater after treatment, the treated wastewater can be discharged into the atmospheric environment, and the influence on the atmospheric environment is reduced.
Description
Technical Field
The invention relates to the field of water treatment, in particular to an efficient multistage treatment process for industrial wastewater.
Background
The industrial wastewater comprises production wastewater, production sewage and cooling water, and refers to wastewater and waste liquid generated in the industrial production process, wherein the wastewater and the waste liquid contain industrial production materials, intermediate products, byproducts and pollutants generated in the production process, which are lost along with water. The industrial wastewater has various types and complex components. For example, the waste water from electrolytic salt industry contains mercury, the waste water from heavy metal smelting industry contains various metals such as lead and cadmium, the waste water from electroplating industry contains various heavy metals such as cyanide and chromium, the waste water from petroleum refining industry contains phenol, and the waste water from pesticide manufacturing industry contains various pesticides.
Oily waste water can be produced in the semi-coke preparation process, certain emulsified oil can be produced, more sand grains and the emulsified oil can be discharged together in the semi-coke preparation process, the emulsified oil cannot be decomposed, waste water needs to be treated in time, mercury content in the waste water cannot be cleaned in time, soil quality after waste water is discharged can be increased, growth of animals and plants is affected, and therefore the industrial waste water high-efficiency multistage treatment process is provided aiming at the problems.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides an efficient multistage treatment process for industrial wastewater.
The technical scheme adopted by the invention for solving the technical problems is as follows: an efficient multistage treatment process for industrial wastewater comprises the following steps:
s1, leading the industrial wastewater into a pre-constructed sedimentation tank through a discharge pipe, sedimentating for 1-2 hours, and then leading the industrial wastewater into a wastewater treatment device through a guide pipe for treatment;
s2, pouring the industrial wastewater in the step S1 from a water inlet pipe in the wastewater treatment device, filtering by a filter plate in the wastewater treatment device, rolling the filtered garbage into a filter cavity in the wastewater treatment device along the balls, directly flowing the filtered wastewater onto a sand setting plate after being influenced by a baffle, and directly precipitating sand into sand holes;
s3, enabling the industrial wastewater with the sand discharged in the S2 to directly flow into a first oil cleaning tank from a first water outlet pipe, enabling the industrial wastewater to flow to a T-shaped water through pipe by virtue of a first oil separation plate, then flow to one side of a second oil separation plate and one side of a third oil separation plate, enabling the industrial wastewater to flow into a second oil cleaning tank from a second water outlet pipe after precipitation, and enabling the floating oil to be cleaned out from a floating oil cleaning hole;
s4, beating the stirring blades when the industrial wastewater treated in S3 reaches the second clear oil tank, enabling a demulsifier in a demulsifier storage tank to flow out to decompose emulsified oil in the wastewater, and then enabling the emulsified oil to flow to a mercury removal tank through a third water outlet pipe;
s5, allowing the industrial wastewater treated in S4 to flow from the fourth water outlet pipe to the anaerobic chamber for anaerobic reaction, and finally flowing to the disinfection neutralization box through the fifth water outlet pipe, wherein disinfection liquid and acid-alkali liquid in the disinfection liquid storage tank and the acid-alkali liquid storage tank are used for disinfection and neutralization;
the wastewater treatment device in S1 comprises a sand setting mechanism, a floating oil cleaning mechanism, an emulsified oil cleaning mechanism, a mercury removing mechanism, an anaerobic chamber and a disinfection neutralizing mechanism, wherein the floating oil cleaning mechanism is arranged below the sand setting mechanism, the emulsified oil cleaning mechanism is arranged on one side of the floating oil cleaning mechanism, the mercury removing mechanism is arranged below the emulsified oil cleaning mechanism, the anaerobic chamber is arranged on one side of the mercury removing mechanism, and the disinfection neutralizing mechanism is arranged on one side of the anaerobic chamber away from the mercury removing mechanism; the bottom of the sand setting mechanism is connected with the emulsified oil cleaning mechanism through a conveyor belt.
The sand setting mechanism comprises a sand setting box, a sand setting plate and a filter plate, wherein a filter cavity and a sand setting cavity are arranged inside the sand setting box, the sand setting plate and the filter plate are arranged between the filter cavity and the sand setting cavity, the sand setting box is located above the filter plate and fixedly connected with a water inlet pipe in a penetrating manner, a garbage cleaning hole is formed in the top end of the sand setting box and located above the filter cavity, the sand setting plate is fixedly connected to the inner bottom surface of the sand setting box, the two ends of the filter plate are fixedly connected to one end of the inner top of the sand setting box and the top end of the sand setting plate respectively, a plurality of balls are rotatably connected to the inner side of the filter plate through a wheel carrier, a sand hole is formed in the inner surface of the sand setting plate, a sand outlet pipe is fixedly connected to one side of the sand setting plate and fixedly connected with the bottom end of the sand setting plate in a penetrating manner, and the sand setting box is located at the bottom end of the sand setting plate and fixedly connected with a water outlet pipe.
Specifically, the floating oil cleaning mechanism consists of a clean oil tank and a settling tank, the clean oil tank and a water outlet pipe of the sand settling tank are communicated, an oil separating cavity is arranged in the clean oil tank, a main partition plate is fixedly connected between the upper surface and the lower surface in the middle of the inside of the oil separating cavity, one side of the main partition plate is fixedly and penetratingly connected with a T-shaped water pipe, a first oil separating plate and a second oil separating plate are respectively and fixedly connected with the inside of the oil separating cavity and positioned at the two sides of the main partition plate, one side of the oil separating cavity and positioned at the inside of the second oil separating plate far away from the main partition plate is fixedly connected with a third oil separating plate, a floating oil cleaning hole is formed in the inner wall of one side of the clean oil tank, a settling tank is fixedly connected with the bottom surface of the clean oil tank and positioned below the first oil separating plate, one side of the settling tank is hinged with a glass observation window, and a glass observation window is arranged above the sealing cover, no. one the top of the one side of floating oil clearance hole is kept away from to the tank cleaner is fixed and through connection has No. two outlet pipes.
Specifically, the emulsified oil cleaning mechanism consists of a second clean oil tank and a demulsifier storage tank, wherein a second water outlet pipe of the second clean oil tank and a second water outlet pipe of the first clean oil tank are communicated with each other, a demulsification cavity is arranged in the second clean oil tank, the top end of the second clean oil tank is fixedly connected with the demulsifier storage tank, the bottom end of the demulsifier storage tank is communicated with the second clean oil tank through a pipeline, a pair of stirring blades is rotatably connected in the second clean oil tank through a pair of rotating shafts, and a third water outlet pipe is fixedly and penetratingly connected at the bottom end of the second clean oil tank; the middle part of the stirring blade is provided with a rotating shaft, and the rotating shaft is connected with a turntable arranged outside the second clear oil tank; the rotary disc is connected with a shaft of an impeller arranged in the first water outlet pipe through a transmission belt.
Specifically, the mercury removing mechanism consists of a mercury removing box and a U-shaped tank, a sedimentation chamber and a mercury removing chamber are arranged in the mercury removing box, a second speed reducing partition plate is fixedly connected between the sedimentation chamber and the mercury removing chamber, three first speed reducing partition plates are fixedly connected between the upper surface and the lower surface of the inner part of the sedimentation chamber, a sedimentation tank is arranged on the bottom surface of the inner part of the sedimentation chamber and between the second first speed reducing partition plate and the side wall of the inner part of the sedimentation chamber, a spray nozzle is fixedly and penetratingly connected on the side wall of the sedimentation chamber above the sedimentation tank, a drain pipe is fixedly and penetratingly connected on the side surface of the mercury removing box and on one side of the sedimentation tank, three first triangular sliding grooves are arranged on the bottom surface of the mercury removing chamber, a first triangular sliding block is slidably connected in the three first triangular sliding grooves, a U-shaped tank is fixedly connected on the upper surface of the three first triangular sliding blocks, and activated sludge is placed in the three U-shaped tanks, and a fourth water outlet pipe is fixedly connected above one side of the mercury removing box far away from the spray head in a penetrating manner.
It is specific, anaerobic chamber one side link up each other with No. four outlet pipes that remove the mercury case, the fixed and through connection in bottom of anaerobic chamber opposite side has No. five outlet pipes, disinfection neutralization mechanism comprises disinfection neutralization chamber, antiseptic solution holding vessel and acid-base liquid holding vessel, disinfection neutralization chamber and No. five outlet pipes of anaerobic chamber link up each other, disinfection neutralization chamber and acid-base neutralization chamber are equipped with in the disinfection, No. two main baffles of fixedly connected with between disinfection chamber and the acid-base neutralization chamber, the top is equipped with the through-hole in No. two main baffles, disinfection neutralization box top just is located the top difference fixedly connected with antiseptic solution holding vessel and the acid-base liquid holding vessel in disinfection chamber and the acid-base neutralization chamber, the fixed and through connection of No. six outlet pipes in one side that No. five outlet pipes were kept away from to the neutralization chamber in the disinfection.
Specifically, fixedly connected with baffle on the sand setting intracavity side, just baffle and filter all set up towards the right side below, the sand setting board sets up towards the left side below.
The U-shaped tank is provided with a U-shaped tank, a U-shaped tank is arranged on the U-shaped tank, a first triangular sliding block is arranged at the position, close to the U-shaped tank, of the U-shaped tank, a second triangular sliding block is arranged at the position, close to the U-shaped tank, of the U-shaped tank, a third triangular sliding groove is formed in one side, close to the third triangular sliding block, of the U-shaped tank, and a second triangular sliding groove is formed in the position, close to the U-shaped tank on the side, of the mercury removal cavity.
The invention has the beneficial effects that:
(1) according to the efficient multi-stage treatment process for the industrial wastewater, the waste water treatment device used in the process can filter and precipitate the garbage and the sand in the wastewater completely through the sand settling box, so that the garbage content of the wastewater is reduced, and the floating oil and the emulsified oil in the wastewater can be separated and decomposed through the clear oil tank I and the clear oil tank II, so that the oil content in the wastewater is reduced, and the mercury removal tank is further arranged, so that the secondary precipitation and mercury removal work can be further performed on the wastewater, and the contents of the garbage and the mercury in the wastewater are further reduced.
(2) According to the high-efficiency multistage treatment process for the industrial wastewater, the wastewater treatment device used in the process drives the impeller in the first water outlet pipe to rotate through the water flow at the bottom of the sand settling mechanism, the impeller drives the conveying belt to rotate, the conveying belt drives the rotary table to rotate, the rotary table is connected with the shaft of the stirring blade to drive the stirring blade to stir, the stirring of the inner part is guaranteed to be realized when a water body flows, the stirring efficiency is accelerated, and the wastewater treatment effect is accelerated.
(3) According to the efficient multistage treatment process for the industrial wastewater, the wastewater treatment device used in the process is provided with the disinfection neutralization box to disinfect the wastewater and neutralize acid and alkali, so that the cleanliness of the treated wastewater is improved, the treated wastewater can be discharged into the atmospheric environment, the influence on the atmospheric environment is reduced, and the process is more environment-friendly and practical.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a process flow diagram of the present invention;
FIG. 2 is a schematic view showing the construction of a wastewater treatment apparatus used in the present invention;
FIG. 3 is a plan view of a filter plate of a wastewater treatment apparatus used in the present invention;
FIG. 4 is a schematic diagram showing a structure of a sand-settling plate of the wastewater treatment apparatus used in the present invention;
FIG. 5 is an enlarged view of A in FIG. 2;
FIG. 6 is a schematic view showing the construction of a second decelerating barrier of the wastewater treatment apparatus used in the present invention;
FIG. 7 is a sectional view of a disinfection neutralization tank of a wastewater treatment apparatus used in the present invention;
FIG. 8 is a schematic view showing the connection between an impeller and a stirring blade of a wastewater treatment apparatus used in the present invention.
In the figure: 1. a sand setting mechanism; 11. a sand sinking box; 12. a filter chamber; 13. a water inlet pipe; 14. a refuse clearing hole; 15. a sand setting plate; 16. a filter plate; 17. a sand setting chamber; 18. a baffle plate; 19. a first water outlet pipe; 191. an impeller; 110. a ball bearing; 111. sand holes; 112. a sand outlet pipe; 2. a floating oil cleaning mechanism; 21. a first clear oil tank; 22. an oil separating cavity; 23. floating oil and cleaning holes; 24. a first oil baffle plate; 25. a first main separator; 26. a second oil baffle plate; 27. a third oil separator plate; 28. a second water outlet pipe; 29. a settling tank; 210. a sealing cover; 211. a glass viewing window; 212. a T-shaped water pipe; 3. an emulsified oil cleaning mechanism; 31. a second clear oil tank; 32. a breast breaking cavity; 33. stirring blades; 331. a turntable; 332. a rotating shaft; 34. a demulsifier holding tank; 35. a third water outlet pipe; 4. a mercury removal mechanism; 41. a mercury removal tank; 42. a sedimentation chamber; 43. a mercury removal cavity; 44. a first decelerating barrier; 45. a second deceleration partition plate; 46. a spray head; 47. a settling tank; 48. a blow-off pipe; 49. a U-shaped tank; 410. activated sludge; 411. a fourth water outlet pipe; 412. a first triangular chute; 413. a first triangular sliding block; 414. a second triangular chute; 415. a third triangular chute; 416. a second triangular sliding block; 417. a third triangular sliding block; 5. an anaerobic chamber; 51. a fifth water outlet pipe; 6. a disinfection neutralization mechanism; 61. sterilizing the neutralization tank; 62. a disinfectant storage tank; 63. an acid-alkali liquor storage tank; 64. a disinfection chamber; 65. an acid-base neutralization cavity; 66. a second main partition board; 67. a through hole; 68. a sixth water outlet pipe; 69. and (4) a conveyor belt.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-8, the present invention provides a high-efficiency multi-stage treatment process for industrial wastewater, which comprises the following steps:
s1, leading the industrial wastewater into a pre-constructed sedimentation tank through a discharge pipe, sedimentating for 1-2 hours, and then leading the industrial wastewater into a wastewater treatment device through a guide pipe for treatment;
s2, pouring the industrial wastewater in the step S1 from a water inlet pipe in the wastewater treatment device, filtering by a filter plate in the wastewater treatment device, rolling the filtered garbage into a filter cavity in the wastewater treatment device along the balls, directly flowing the filtered wastewater onto a sand setting plate after being influenced by a baffle, and directly precipitating sand into sand holes;
s3, enabling the industrial wastewater with the sand discharged in the S2 to directly flow into a first oil cleaning tank from a first water outlet pipe, enabling the industrial wastewater to flow to a T-shaped water through pipe by virtue of a first oil separation plate, then flow to one side of a second oil separation plate and one side of a third oil separation plate, enabling the industrial wastewater to flow into a second oil cleaning tank from a second water outlet pipe after precipitation, and enabling the floating oil to be cleaned out from a floating oil cleaning hole;
s4, beating the stirring blades when the industrial wastewater treated in S3 reaches the second clear oil tank, enabling a demulsifier in a demulsifier storage tank to flow out to decompose emulsified oil in the wastewater, and then enabling the emulsified oil to flow to a mercury removal tank through a third water outlet pipe;
s5, allowing the industrial wastewater treated in S4 to flow from the fourth water outlet pipe to the anaerobic chamber for anaerobic reaction, and finally flowing to the disinfection neutralization box through the fifth water outlet pipe, wherein disinfection liquid and acid-alkali liquid in the disinfection liquid storage tank and the acid-alkali liquid storage tank are used for disinfection and neutralization;
the wastewater treatment device in the S1 comprises a sand setting mechanism 1, a floating oil cleaning mechanism 2, an emulsified oil cleaning mechanism 3, a mercury removing mechanism 4, an anaerobic chamber 5 and a disinfection neutralizing mechanism 6, wherein the floating oil cleaning mechanism 2 is arranged below the sand setting mechanism 1, the emulsified oil cleaning mechanism 3 is arranged on one side of the floating oil cleaning mechanism 2, the mercury removing mechanism 4 is arranged below the emulsified oil cleaning mechanism 3, the anaerobic chamber 5 is arranged on one side of the mercury removing mechanism 4, and the disinfection neutralizing mechanism 6 is arranged on one side, away from the mercury removing mechanism 4, of the anaerobic chamber 5; the bottom of the sand setting mechanism 1 is connected with the emulsified oil cleaning mechanism 3 through a conveyor belt 69.
Specifically, the sand setting mechanism 1 comprises a sand setting box 11, a sand setting plate 15 and a filter plate 16, wherein a filter chamber 12 and a sand setting chamber 17 are arranged in the sand setting box 11, the sand setting plate 15 and the filter plate 16 are arranged between the filter chamber 12 and the sand setting chamber 17, the sand setting box 11 is fixedly arranged above the filter plate 16 and is in through connection with a water inlet pipe 13, a garbage cleaning hole 14 is arranged at the top end of the sand setting box 11 and is arranged above the filter chamber 12, the sand setting plate 15 is fixedly connected to the inner bottom surface of the sand setting box 11, two ends of the filter plate 16 are respectively fixedly connected to one end of the inner top of the sand setting box 11 and the top end of the sand setting plate 15, the inner side of the filter plate 16 is rotatably connected with a plurality of balls 110 through a wheel carrier, a sand hole 111 is arranged in the upper surface of the sand setting plate 15, a sand setting plate 15 side is fixedly and is in through connection with a sand outlet pipe 112, the sand outlet pipe 112 penetrates through the sand setting box 11, the sand setting box 11 is arranged at the bottom end of the sand setting plate 15 and is fixedly and is in through connection with a water outlet pipe 19, the large garbage in the wastewater can be preliminarily filtered by arranging the filter plate 16, meanwhile, the filtered wastewater can flow to the first water outlet pipe 19 along the inclined plane of the sand settling plate 15, and sand in the wastewater can be slowly precipitated into the sand hole 111, so that the sand removing process is realized.
Specifically, the floating oil cleaning mechanism 2 comprises a clean oil tank 21 and a settling tank 29, the clean oil tank 21 and a water outlet pipe 19 of the sand depositing box 11 are communicated, an oil separating cavity 22 is arranged inside the clean oil tank 21, a main partition plate 25 is fixedly connected between the upper surface and the lower surface of the center inside the oil separating cavity 22, a T-shaped water pipe 212 is fixedly and penetratingly connected to one side of the main partition plate 25, an oil separating plate 24 and an oil separating plate 26 are fixedly connected to the two sides of the main partition plate 25 inside the oil separating cavity 22 respectively, a third oil separating plate 27 is fixedly connected to one side, away from the main partition plate 25, of the second oil separating plate 26 inside the oil separating cavity 22, a floating oil cleaning hole 23 is formed in the inner wall of one side of the clean oil tank 21, the settling tank 29 is fixedly connected to the bottom surface of the first oil separating plate 24, settling tank 29 one side articulates there is sealed lid 210, settling tank 29 is located sealed lid 210 top and is equipped with glass observation window 211, fixed and through connection in top of one side of floating oil clearance hole 23 has No. two outlet pipes 28 of oil tank 21, through setting up oil removal plate 24, No. two oil removal plates 26, No. three oil removal plates 27 and T type water service pipe 212, the oil that floats in the waste water can be hindered to make the oil that floats in the waste water of flowing to No. two outlet pipes 28 can fall to the bottom.
Specifically, the emulsified oil cleaning mechanism 3 comprises a second clear oil tank 31 and a demulsifier storage tank 34, the second clear oil tank 31 and a second water outlet pipe 28 of the first clear oil tank 21 are communicated with each other, a demulsification cavity 32 is arranged inside the second clear oil tank 31, the top end of the second clear oil tank 31 is fixedly connected with the demulsifier storage tank 34, the bottom end of the demulsifier storage tank 34 is communicated with the second clear oil tank 31 through a pipeline, a pair of stirring blades 33 are rotatably connected inside the second clear oil tank 31 through a pair of rotating shafts, the bottom end of the second clear oil tank 31 is fixedly connected with a third water outlet pipe 35 in a penetrating manner, the stirring blades 33 are driven to rotate through the flow of wastewater, and are fully fused with a demulsifier at the same time, so that the emulsified oil in the wastewater is rapidly degraded; a rotating shaft 332 is arranged in the middle of the stirring blade 33, and the rotating shaft 332 is connected with a rotating disc 331 arranged outside the second clear oil tank 31; the rotating disc 331 is connected with the shaft of the impeller 191 arranged in the first water outlet pipe 19 through a transmission belt 69.
Specifically, the mercury removing mechanism 4 comprises a mercury removing box 41 and a U-shaped tank 49, a sedimentation chamber 42 and a mercury removing chamber 43 are arranged in the mercury removing box 41, a second speed reducing partition plate 45 is fixedly connected between the sedimentation chamber 42 and the mercury removing chamber 43, three first speed reducing partition plates 44 are fixedly connected between the upper surface and the lower surface of the inner part of the sedimentation chamber 42, a sedimentation tank 47 is arranged between the bottom surface of the inner part of the sedimentation chamber 42 and the inner side wall of the second first speed reducing partition plate 44 and the sedimentation chamber 42, a spray head 46 is fixedly and penetratingly connected on the side wall of the sedimentation chamber 42 above the sedimentation tank 47, a drain pipe 48 is fixedly and penetratingly connected on one side of the sedimentation tank 47 and on the side surface of the mercury removing box 41, three first triangular sliding grooves 412 are arranged on the bottom surface of the mercury removing chamber 43, a first triangular sliding block 413 is slidably connected inside the first triangular sliding grooves 412, and a U-shaped tank 49 is fixedly connected on the upper surface of the first triangular sliding block 413, activated sludge 410 has all been placed to three U type jar 49 is inside, remove that mercury case 41 keeps away from one side top of shower nozzle 46 fixed and the through connection has No. four outlet pipes 411, waste water mixes with activated sludge 410 in the U type jar 49, fully degrades the deposit with the mercury material in the waste water to realize waste water and remove mercury work.
Specifically, one side of the anaerobic chamber 5 is communicated with a fourth water outlet pipe 411 of the mercury removing box 41, the bottom of the other side of the anaerobic chamber 5 is fixedly connected with a fifth water outlet pipe 51 in a penetrating manner, the disinfection neutralization mechanism 6 is composed of a disinfection neutralization box 61, a disinfectant storage tank 62 and an acid-base liquid storage tank 63, the disinfection neutralization box 61 is communicated with the fifth water outlet pipe 51 of the anaerobic chamber 5 in a penetrating manner, a disinfection cavity 64 and an acid-base neutralization cavity 65 are arranged in the disinfection neutralization box 61, a second main partition plate 66 is fixedly connected between the disinfection cavity 64 and the acid-base neutralization cavity 65, a through hole 67 is formed in the top of the second main partition plate 66, the top end of the disinfection neutralization box 61 is fixedly connected with the disinfectant storage tank 62 and the acid-base liquid storage tank 63 above the disinfection cavity 64 and the acid-base neutralization cavity 65 respectively, one side of the disinfection neutralization box 61 far away from the fifth water outlet pipe 51 is fixedly connected with a sixth water outlet pipe 68 in a penetrating manner, the anaerobic treatment is carried out on the wastewater and the disinfection and neutralization are carried out on the wastewater, so that the discharged wastewater is ensured to be nontoxic and harmless.
Specifically, fixedly connected with baffle 18 on the sand setting chamber 17 medial surface, just baffle 18 and filter 16 all set up towards the right side below, sand setting plate 15 sets up towards the left side below, guarantees that waste water flows to in sand setting plate 15's the sand hole 111 as far as.
Specifically, No. two speed reduction baffle 45 is equipped with No. three triangle slider 417 with one of them U type jar 49 junction, and is three one side that U type jar 49 kept away from No. two speed reduction baffle 45 is equipped with No. two triangle slider 416, and is three one side that U type jar 49 is close to No. three triangle slider 417 all is equipped with No. three triangle spout 415, just mercury removal chamber 43 is located No. two triangle slider 416 sliding connection department of the U type jar 49 that leans on the limit most is equipped with No. two triangle spout 414, plays sealed effect.
When the demulsifier is used, wastewater is poured from the water inlet pipe 13 and is firstly filtered by the filter plate 16, the filtered garbage can roll down to the filter cavity 12 along the ball bearing 110, the filtered wastewater directly flows to the sand settling plate 15 after being influenced by the baffle plate 18, the sand directly deposits in the sand hole 111, the wastewater with the discharged sand directly flows to the first clean oil tank 21 from the first water outlet pipe 19, the wastewater flows to the T-shaped water pipe 212 by the first oil separation plate 24 and then flows to one side of the second oil separation plate 26 and the third oil separation plate 27, the demulsifier in the storage tank 34 flows out after depositing for one time from the second water outlet pipe 28 to the second clean oil tank 31, the floating oil can be cleaned out from the floating oil cleaning hole 23, the garbage in the wastewater can be deposited in the settling tank 29, the demulsifier in the storage tank 34 flows out while beating the stirring blade 33 after the wastewater reaches the second clean oil tank 31 for primary demulsification, thereby further removing the oil in the waste water, after cleaning for a period of time, the water flows to the mercury removing box 41 through the third water outlet pipe 35, the water is firstly deposited in the deposition cavity 42, the three first speed reducing partition plates 44 and the second speed reducing partition plate 45 can reduce the flow rate of the waste water, thereby better performing the deposition process, the deposited waste water flows to the mercury removing cavity 43 and is influenced by the activated sludge 410 in the U-shaped tank 49, the mercury substances in the waste water can be absorbed, thereby reducing the mercury content in the waste water, then the water flows to the anaerobic chamber 5 through the fourth water outlet pipe 411 to perform anaerobic reaction, finally the water flows to the disinfection neutralizing box 61 through the fifth water outlet pipe 51, the disinfection liquid and the acid-alkali liquid in the disinfection liquid storage tank 62 and the acid-alkali liquid storage tank 63 are disinfected and neutralized, and then the water is discharged through the sixth water outlet pipe 68, in addition, after cleaning, the deposit on the deposition tank 47 can be washed through the spray head 46, and then discharged through a drain pipe 48.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are intended to be within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. An efficient multistage treatment process for industrial wastewater is characterized by comprising the following steps:
s1, leading the industrial wastewater into a pre-constructed sedimentation tank through a discharge pipe, sedimentating for 1-2 hours, and then leading the industrial wastewater into a wastewater treatment device through a guide pipe for treatment;
s2, pouring the industrial wastewater in the step S1 from a water inlet pipe in the wastewater treatment device, filtering by a filter plate in the wastewater treatment device, rolling the filtered garbage into a filter cavity in the wastewater treatment device along the balls, directly flowing the filtered wastewater onto a sand setting plate after being influenced by a baffle, and directly precipitating sand into sand holes;
s3, enabling the industrial wastewater with the sand discharged in the S2 to directly flow into a first oil cleaning tank from a first water outlet pipe, enabling the industrial wastewater to flow to a T-shaped water through pipe by virtue of a first oil separation plate, then flow to one side of a second oil separation plate and one side of a third oil separation plate, enabling the industrial wastewater to flow into a second oil cleaning tank from a second water outlet pipe after precipitation, and enabling the floating oil to be cleaned out from a floating oil cleaning hole;
s4, beating the stirring blades when the industrial wastewater treated in S3 reaches the second clear oil tank, enabling a demulsifier in a demulsifier storage tank to flow out to decompose emulsified oil in the wastewater, and then enabling the emulsified oil to flow to a mercury removal tank through a third water outlet pipe;
s5, allowing the industrial wastewater treated in S4 to flow from the fourth water outlet pipe to the anaerobic chamber for anaerobic reaction, and finally flowing to the disinfection neutralization box through the fifth water outlet pipe, wherein disinfection liquid and acid-alkali liquid in the disinfection liquid storage tank and the acid-alkali liquid storage tank are used for disinfection and neutralization;
the wastewater treatment device in the S1 comprises a sand setting mechanism (1), a floating oil cleaning mechanism (2), an emulsified oil cleaning mechanism (3), a mercury removing mechanism (4), an anaerobic chamber (5) and a disinfection neutralizing mechanism (6), wherein the floating oil cleaning mechanism (2) is arranged below the sand setting mechanism (1), the emulsified oil cleaning mechanism (3) is arranged on one side of the floating oil cleaning mechanism (2), the mercury removing mechanism (4) is arranged below the emulsified oil cleaning mechanism (3), the anaerobic chamber (5) is arranged on one side of the mercury removing mechanism (4), and the disinfection neutralizing mechanism (6) is arranged on one side, far away from the mercury removing mechanism (4), of the anaerobic chamber (5); the bottom of the sand setting mechanism (1) is connected with the emulsified oil cleaning mechanism (3) through a conveyor belt (69);
the sand setting mechanism (1) consists of a sand setting box (11), a sand setting plate (15) and a filter plate (16), a filter chamber (12) and a sand setting chamber (17) are arranged in the sand setting box (11), the sand setting plate (15) and the filter plate (16) are arranged between the filter chamber (12) and the sand setting chamber (17), the sand setting box (11) is fixedly arranged above the filter plate (16) and is in through connection with a water inlet pipe (13), the top end of the sand setting box (11) is provided with a garbage cleaning hole (14) above the filter chamber (12), the sand setting plate (15) is fixedly connected with the inner bottom surface of the sand setting box (11), two ends of the filter plate (16) are respectively and fixedly connected with one end of the inner top of the sand setting box (11) and the top end of the sand setting plate (15), the inner side of the filter plate (16) is rotatably connected with a plurality of balls (110) through a wheel carrier, sand holes (111) are arranged in the upper surface of the sand setting plate (15), a sand outlet pipe (112) is fixed on one side of the sand setting plate (15) and is connected with the sand outlet pipe in a penetrating manner, the sand outlet pipe (112) penetrates through the sand setting box (11), and the sand setting box (11) is positioned at the bottom end of the sand setting plate (15) and is fixedly connected with a first water outlet pipe (19) in a penetrating manner;
the floating oil cleaning mechanism (2) is composed of a clean oil tank (21) and a settling tank (29), the clean oil tank (21) is communicated with a water outlet pipe (19) of a sand settling tank (11), an oil separating cavity (22) is arranged inside the clean oil tank (21), a main partition plate (25) is fixedly connected between the upper surface and the lower surface of the inside center of the oil separating cavity (22), one side of the main partition plate (25) is fixedly and penetratingly connected with a T-shaped water pipe (212), the two sides of the main partition plate (25) inside the oil separating cavity (22) are respectively and fixedly connected with an oil separating plate (24) and a second oil separating plate (26), the two sides of the oil separating cavity (22) inside and one side of the second oil separating plate (26) far away from the main partition plate (25) are fixedly connected with a third oil separating plate (27), and a floating oil cleaning hole (23) is formed in the inner wall of one side of the clean oil tank (21), a settling tank (29) is fixedly connected to the bottom surface of the first clean oil tank (21) and is positioned below the first oil separation plate (24), a sealing cover (210) is hinged to one side of the settling tank (29), a glass observation window (211) is arranged above the sealing cover (210) of the settling tank (29), and a second water outlet pipe (28) is fixedly and penetratingly connected to the upper side of one side, far away from the floating oil cleaning hole (23), of the first clean oil tank (21);
the emulsified oil cleaning mechanism (3), the emulsified oil cleaning mechanism (3) comprises a second clear oil tank (31) and a demulsifier storage tank (34), the second clear oil tank (31) and a second water outlet pipe (28) of the first clear oil tank (21) are communicated with each other, a demulsification cavity (32) is arranged inside the second clear oil tank (31), the top end of the second clear oil tank (31) is fixedly connected with the demulsifier storage tank (34), the bottom end of the demulsifier storage tank (34) is communicated with the second clear oil tank (31) through a pipeline, a pair of stirring blades (33) are rotatably connected inside the second clear oil tank (31) through a pair of rotating shafts, and the bottom end of the second clear oil tank (31) is fixedly connected with a third water outlet pipe (35) in a penetrating manner; a rotating shaft (332) is arranged in the middle of the stirring blade (33), and the rotating shaft (332) is connected with a rotating disc (331) arranged outside the second clear oil tank (31); the rotary disc (331) is connected with a shaft of an impeller (191) arranged in the first water outlet pipe (19) through a conveyor belt (69);
fixedly connected with baffle (18) on grit chamber (17) medial surface, just baffle (18) and filter (16) all set up towards the right side below, grit plate (15) sets up towards the left side below.
2. The efficient multistage treatment process for industrial wastewater according to claim 1, characterized in that: the mercury removing mechanism (4) comprises a mercury removing box (41) and a U-shaped tank (49), a sedimentation chamber (42) and a mercury removing chamber (43) are arranged inside the mercury removing box (41), a second speed reducing partition plate (45) is fixedly connected between the sedimentation chamber (42) and the mercury removing chamber (43), a first speed reducing partition plate (44) is fixedly connected between the upper surface and the lower surface inside the sedimentation chamber (42), a sedimentation tank (47) is arranged between the inner bottom surface of the sedimentation chamber (42) and the inner side wall of the second first speed reducing partition plate (44) and the sedimentation chamber (42), the sedimentation chamber (42) is fixedly arranged on the side wall above the sedimentation tank (47) and is connected with a spray head (46) in a penetrating manner, a drain pipe (48) is fixedly connected on one side of the sedimentation tank (47) and is arranged on the side of the mercury removing box (41), a first triangular sliding groove (412) is arranged on the inner bottom surface of the mercury removing chamber (43), three equal sliding connection has triangle slider (413), three inside equal sliding connection of triangle spout (412) is triangle slider (413), three equal fixedly connected with U type jar (49) of upper surface of triangle slider (413), three activated sludge (410) have all been placed to U type jar (49) inside, remove fixed and the through connection of one side top that shower nozzle (46) were kept away from in mercury case (41) and have outlet pipe (411) No. four.
3. The efficient multistage treatment process for industrial wastewater according to claim 1, characterized in that: one side of the anaerobic chamber (5) is communicated with a fourth water outlet pipe (411) of the mercury removal tank (41), the bottom of the other side of the anaerobic chamber (5) is fixed and is in through connection with a fifth water outlet pipe (51), the disinfection neutralization mechanism (6) is composed of a disinfection neutralization tank (61), a disinfectant storage tank (62) and an acid-base solution storage tank (63), the disinfection neutralization tank (61) is communicated with the fifth water outlet pipe (51) of the anaerobic chamber (5), a disinfection cavity (64) and an acid-base neutralization cavity (65) are arranged inside the disinfection neutralization tank (61), a second main partition plate (66) is fixedly connected between the disinfection cavity (64) and the acid-base neutralization cavity (65), a through hole (67) is formed in the top of the disinfection neutralization tank (61) and positioned above the disinfection cavity (64) and the acid-base neutralization cavity (65), the disinfectant storage tank (62) and the acid-base solution storage tank (63) are respectively and fixedly connected with the top of the disinfection neutralization tank (61), and one side of the disinfection neutralization box (61) far away from the fifth water outlet pipe (51) is fixed and is in through connection with a sixth water outlet pipe (68).
4. The efficient multistage treatment process for industrial wastewater according to claim 2, characterized in that: no. two speed reduction baffle (45) are equipped with No. three triangle slider (417) with one of them U type jar (49) junction, and are three one side that No. two speed reduction baffle (45) were kept away from in U type jar (49) is equipped with No. two triangle slider (416), and is three one side that U type jar (49) are close to No. three triangle slider (417) all is equipped with No. three triangle spout (415), just No. two triangle slider (416) sliding connection department that mercury removal chamber (43) are located the most U type jar (49) that leans on the limit is equipped with No. two triangle spout (414).
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| CN204275826U (en) * | 2014-12-08 | 2015-04-22 | 福州海恒水务设备有限公司 | Hydraulic automatism dosing agitating device |
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