CN115193851A - Physicochemical comprehensive treatment system for heavy metal-containing acid-base waste liquid - Google Patents
Physicochemical comprehensive treatment system for heavy metal-containing acid-base waste liquid Download PDFInfo
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- CN115193851A CN115193851A CN202210820110.7A CN202210820110A CN115193851A CN 115193851 A CN115193851 A CN 115193851A CN 202210820110 A CN202210820110 A CN 202210820110A CN 115193851 A CN115193851 A CN 115193851A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/0856—Cleaning of water-treatment installations
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- 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
- B01D47/14—Packed scrubbers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/087—Cleaning containers, e.g. tanks by methods involving the use of tools, e.g. brushes, scrapers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/093—Cleaning containers, e.g. tanks by the force of jets or sprays
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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
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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
Abstract
The invention discloses a physicochemical comprehensive treatment system for heavy metal-containing acid-base waste liquid, which relates to the technical field of physicochemical treatment of dangerous waste liquid and comprises a standard wastewater storage mechanism, wherein a container to be treated is arranged on the right side of the standard wastewater storage mechanism, the container to be treated is arranged into any one of a buffering water collecting tank and a waste acid-base treatment water collecting tank, a reciprocating screw rod is arranged in the container to be treated, a pneumatic water supply cleaning mechanism is arranged at the top end of the reciprocating screw rod, a hydraulic driving mechanism is arranged at the top of the outer side of the reciprocating screw rod, and an impeller in the hydraulic driving mechanism drives the reciprocating screw rod to rotate. The tail gas treated by the system is used as power, and the cleaning of residual solid particles and residual wastewater can be completed by matching with a small amount of standard-reaching wastewater, so that the pollution of the treated wastewater caused by the influence of residues is avoided, the increase of the total wastewater treatment amount caused by a large amount of water flow generated during cleaning can also be avoided, and the industrial application effect is more ideal.
Description
Technical Field
The invention relates to the technical field of physicochemical treatment of hazardous waste liquid, in particular to a physicochemical comprehensive treatment system for heavy metal-containing acid-base waste liquid.
Background
The acid-base waste liquid has complex sources and various types, the acid waste liquid mainly comes from steel plants, chemical plants, dye plants, electroplating plants, mines and the like, the alkaline waste liquid mainly comes from printing and dyeing plants, leather plants, paper mills, oil refineries and the like, the acid-base waste liquid also often contains acid salt, basic salt and other inorganic matters and organic matters besides acid and alkali, and the acid-base waste liquid has strong corrosivity, so that the treatment of the acid-base waste liquid not only needs to adjust the pH value of the waste liquid, but also needs to treat various harmful substances and heavy metal salts contained in the waste liquid.
Patent application publication number CN 204151164U's utility model patent discloses a contain heavy metal acid-base waste liquid materialization integrated processing system, including spent acid dissolving tank, waste alkali dissolving tank, spent acid storage tank, waste alkali storage tank, comprehensive reaction tank, sludge settling tank, buffering water catch bowl, high-efficient filter, spent acid alkali treatment catch basin, waste gas washing circulation system and plate and frame filter press. The system is suitable for physicochemical comprehensive treatment of various acid-base waste liquids containing heavy metals, including acid-base neutralization, coagulating sedimentation, oxidation-reduction, solid-liquid separation, tail gas purification treatment and the like.
However, the above system still has some disadvantages after being actually used by those skilled in the art, and it is obvious that after the treated water is collected by the buffering water collecting tank, if the wastewater in the buffering water collecting tank does not meet the treatment requirement, the wastewater needs to be pumped back to the comprehensive reaction tank for retreatment, if the treatment requirement is met, the wastewater is pumped into the high efficiency filter for filtration again to remove solid suspended matters with smaller particles, the filtered water is discharged into the waste acid and alkali treatment water collecting tank, and meanwhile, if the wastewater in the waste acid and alkali treatment water collecting tank does not meet the treatment requirement, the wastewater needs to be pumped back to the comprehensive reaction tank for retreatment.
In the process, although the unqualified wastewater in the buffering water collecting tank and the waste acid and alkali treatment water collecting tank can be pumped back to realize the wastewater retreatment, a small amount of unqualified wastewater can be remained in the buffering water collecting tank and the waste acid and alkali treatment water collecting tank at the moment, the retreated wastewater enters the buffering water collecting tank and the waste acid and alkali treatment water collecting tank again after the wastewater is retreated subsequently, so that the unqualified wastewater remained in the buffering water collecting tank and the waste acid and alkali treatment water collecting tank can have certain influence on the input retreated wastewater, the repeated unqualified condition of the retreated wastewater can be easily caused, the third treatment is needed, the treatment time is prolonged, and the treatment efficiency can be greatly influenced.
In view of the above problems, those skilled in the art will think of flushing the buffering water collecting tank and the waste acid-base treatment water collecting tank with the waste water discharged from the waste acid-base treatment water collecting tank and meeting the discharge standard, and then inputting the residual substandard waste water in the buffering water collecting tank and the waste acid-base treatment water collecting tank into the comprehensive reaction tank, but this way will result in a substantial increase in the total amount of waste water to be treated, and the actual use effect is still not ideal.
Therefore, it is necessary to invent a comprehensive treatment system for physicochemical treatment of heavy metal-containing acid-base waste liquid to solve the above problems.
Disclosure of Invention
The invention aims to provide a physicochemical comprehensive treatment system for heavy metal-containing acid-base waste liquid, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a contain heavy metal acid-base waste liquid materialization integrated processing system, includes waste water retaining mechanism up to standard, waste water retaining mechanism up to standard right side is provided with the container that remains to be handled, the container that remains to be handled sets up to arbitrary one in buffering catch basin and the spent acid alkali treatment catch basin, the inside reciprocal lead screw that is provided with of container that remains to be handled, reciprocal lead screw top is provided with pneumatic water supply cleaning mechanism, reciprocal lead screw outside top is provided with hydraulic drive mechanism, impeller drive reciprocal lead screw rotation in the hydraulic drive mechanism, the container inner chamber top that remains to be handled is provided with over-and-under type scraping mechanism, scraping piston treatment inner wall of the container in the over-and-under type scraping mechanism scrapes, over-and-under type scraping mechanism bottom both sides all are provided with trigger formula play water mechanism, the container inner chamber bottom that remains to be provided with rotation type trigger mechanism, trigger mechanism goes out water in the slope spigot surface promotion trigger formula play water mechanism through trigger formula and slides the post and shifts up, rotation type trigger mechanism right side bottom is fixed to run through and is provided with the back flow, rotation type trigger mechanism is connected with the comprehensive reaction tank through the back flow.
Preferably, the standard-reaching wastewater storage mechanism comprises a water storage tank, a standard-reaching wastewater input pipe, a first standard-reaching wastewater output pipe and a stop valve;
the waste water input pipe up to standard is fixed to be run through and to be set up in water storage box left side top, the water storage box is connected with spent acid alkali treatment catch basin through waste water input pipe up to standard, first waste water output tube up to standard is fixed to be run through and to be set up in water storage box left side middle part, the stop valve sets up on first waste water output tube up to standard.
Preferably, the pneumatic water supply cleaning mechanism comprises a gas shunt pipe, a cleaning channel and an inclined air hole;
gaseous shunt tubes one end is passed through rotary joint and is rotated and connect in reciprocal lead screw top, the gaseous shunt tubes other end is connected with the water storage box, the input and the draught fan output of gaseous shunt tubes are connected, it is inboard that reciprocal lead screw is seted up in to clean passageway, the slope gas pocket is provided with a plurality ofly, and is a plurality of the slope gas pocket is evenly seted up in the reciprocal lead screw outside, and communicates with clean passageway.
Preferably, the hydraulic driving mechanism comprises a lower sealing cover, an impeller, a blocking screen plate, an upper sealing cover, a second standard wastewater output pipe and an excess wastewater circulating pipe.
Preferably, the lower seal cover is fixed to be set up in pending container top, the impeller is located the lower seal cover inboard, and fixed cup joint sets up in the reciprocal lead screw outside, the separation otter board rotate through the bearing cup joint set up in the reciprocal lead screw outside and with lower seal cover inner wall fixed connection, it sets up in the lower seal cover top to go up the seal cover fixed, second wastewater up to standard output tube one end is fixed to run through and sets up in last seal cover left side and the fixed running through of the other end and set up in water storage box right side bottom, unnecessary wastewater circulating pipe is fixed to run through and sets up in lower seal cover right side bottom, all be provided with the check valve on wastewater up to standard input tube and the unnecessary wastewater circulating pipe.
Preferably, the lifting scraping mechanism comprises a lifting plate, a scraping piston, a guide rod, a cavity, a water supply pipe and an outer sleeve.
Preferably, the lifter plate cup joints and sets up in reciprocal lead screw outside and with reciprocal lead screw threaded connection, the scraping piston bonds and sets up in the lifter plate bottom and with the laminating of pending container inner wall, the guide bar is provided with two, two the guide bar all runs through lifter plate and scraping piston and with lifter plate and scraping piston sliding connection, two the guide bar top all with pending container inner wall fixed connection, the cavity is seted up inside the lifter plate, the fixed running through of delivery pipe one end sets up in lifter plate top left side and the fixed running through of the other end sets up in lower seal cover left side bottom, the cavity passes through delivery pipe and lower seal cover intercommunication, the outer tube slides and cup joints and sets up in the delivery pipe outside, and fixed nestification sets up in pending container top left side.
Preferably, the trigger type water outlet mechanism comprises a return spring, a sealing plate, a sliding column, an I-shaped channel and an inclined guide surface;
reset spring is fixed to be set up in the cavity inboard, closing plate fixed connection is in the reset spring bottom, the sliding column run through lifter plate and scraping piston and with lifter plate and scraping piston sliding connection, sliding column top and closing plate fixed connection, the I-shaped passageway is seted up inside the sliding column, the slope spigot surface is provided with two, two the slope spigot surface is seted up respectively in sliding column front bottom and back bottom.
Preferably, the rotary trigger mechanism comprises a rotary seat, a mounting sleeve and a trigger clapboard;
the roating seat is fixed to be cup jointed and to be set up in reciprocal lead screw outside bottom, the installation sleeve cup joints and sets up in the reciprocal lead screw outside and with roating seat fixed connection, it is provided with a plurality ofly, a plurality of to trigger the even fixed setting in the installation sleeve outside of baffle.
The invention has the technical effects and advantages that:
the invention is provided with the standard wastewater storage mechanism, the reciprocating screw rod, the pneumatic water supply cleaning mechanism, the hydraulic driving mechanism, the lifting scraping mechanism, the triggering water outlet mechanism and the rotary triggering mechanism, so that tail gas after system treatment is conveniently utilized by the pneumatic water supply cleaning mechanism, the standard wastewater stored by the standard wastewater storage mechanism enters the hydraulic driving mechanism to drive the reciprocating screw rod, meanwhile, solid particles and a small amount of wastewater remained on the inner wall of a container to be treated can be pretreated, then, the lifting scraping mechanism and the rotary triggering mechanism are driven by the reciprocating screw rod, the solid particles and a small amount of wastewater remained on the inner wall of the container to be treated can be treated again, meanwhile, the lifting scraping mechanism can be used for driving the triggering water outlet mechanism to descend, so that the triggering water outlet mechanism is triggered by the rotary triggering mechanism, further, the solid particles and a small amount of wastewater remained in the container to be treated are input into a comprehensive reaction tank through a return pipe, compared with the same type device in the prior art, the invention, the tail gas after system treatment is used as power, the cleaning of the residual solid particles and the residual wastewater can be prevented from influencing the treatment, and the total amount of wastewater can be further more ideally applied when the wastewater is treated, and the total wastewater can be prevented from being polluted.
Drawings
Fig. 1 is an overall front sectional structural schematic diagram of the present invention.
Fig. 2 is a front sectional structural schematic diagram of the hydraulic drive mechanism of the invention.
Fig. 3 is a front cross-sectional structural schematic view of the pneumatic water supply cleaning mechanism of the present invention.
Fig. 4 is a schematic structural view of the lifting scraping mechanism in a front cross section.
Fig. 5 is a schematic side view of the sliding column of the present invention.
FIG. 6 is a schematic top view of the rotary trigger mechanism of the present invention.
In the figure: 1. a standard wastewater storage mechanism; 11. a water storage tank; 12. a standard wastewater input pipe; 13. a first standard-reaching wastewater output pipe; 14. a stop valve; 2. a container to be treated; 3. a reciprocating screw rod; 4. a pneumatic water supply cleaning mechanism; 41. a gas shunt tube; 42. cleaning the channel; 43. inclining the air hole; 5. a hydraulic drive mechanism; 51. a lower seal cover; 52. an impeller; 53. blocking the screen plate; 54. an upper sealing cover; 55. a second standard wastewater output pipe; 56. a surplus waste water circulation pipe; 6. a lifting scraping mechanism; 61. a lifting plate; 62. scraping the piston; 63. a guide bar; 64. a cavity; 65. a water supply pipe; 66. an outer sleeve; 7. a triggered water outlet mechanism; 71. a return spring; 72. a sealing plate; 73. a sliding post; 74. an I-shaped channel; 75. an inclined guide surface; 8. a rotary trigger mechanism; 81. a rotating base; 82. installing a sleeve; 83. triggering the partition plate; 9. a return pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Example 1
The invention provides a comprehensive physicochemical treatment system for heavy metal-containing acid-base waste liquid as shown in figures 1-6, which comprises a standard wastewater storage mechanism 1, wherein a container 2 to be treated is arranged on the right side of the standard wastewater storage mechanism 1, the container 2 to be treated is arranged in a buffer water collecting tank or a waste acid-base treatment water collecting tank, a reciprocating screw rod 3 is arranged in the container 2 to be treated, a hydraulic driving mechanism 5 is arranged at the top of the outer side of the reciprocating screw rod 3, an impeller 52 in the hydraulic driving mechanism 5 drives the reciprocating screw rod 3 to rotate, a lifting scraping mechanism 6 is arranged at the top of an inner cavity of the container 2 to be treated, a scraping piston 62 in the lifting scraping mechanism 6 scrapes the inner wall of the container 2 to be treated, trigger type water outlet mechanisms 7 are arranged on both sides of the bottom of the lifting scraping mechanism 6, a rotary trigger mechanism 8 is arranged at the bottom of the inner cavity of the container 2 to be treated, a trigger partition plate 83 in the rotary trigger type trigger mechanism 8 pushes a sliding column 73 in the trigger type water outlet mechanism 7 to move upwards through an inclined guide surface 75 in the trigger type water outlet mechanism 7, a right side bottom of the rotary trigger mechanism 8 is fixedly provided with a penetration 9, and the rotary trigger type trigger mechanism 8 is connected with a comprehensive reaction tank through a return pipe 9.
As shown in fig. 1, wastewater up to standard retaining mechanism 1 includes water storage box 11, wastewater up to standard input tube 12, first wastewater up to standard output tube 13 and stop valve 14, wherein, wastewater up to standard input tube 12 is fixed to run through and sets up in water storage box 11 left side top, water storage box 11 is connected with spent acid alkaline treatment water-collecting tank through wastewater up to standard input tube 12, wastewater up to standard input tube 12 set up be used for handling wastewater up to standard after finishing input into water storage box 11 inside and save, first wastewater up to standard output tube 13 is fixed to run through and sets up in water storage box 11 left side middle part, the setting of first wastewater up to standard output tube 13 is used for exporting the inside wastewater up to standard of water storage box 11, stop valve 14 sets up on first wastewater up to standard output tube 13, stop valve 14's setting is used for blocking the route of first wastewater up to standard output tube 13.
As shown in FIG. 2, the hydraulic driving mechanism 5 comprises a lower sealing cover 51, an impeller 52, a blocking screen plate 53, an upper sealing cover 54, a second wastewater discharge pipe 55 and an excess wastewater circulation pipe 56, wherein the lower sealing cover 51 is fixedly arranged on the top of the container 2 to be treated, the impeller 52 is positioned on the inner side of the lower sealing cover 51 and fixedly connected to the outer side of the reciprocating screw rod 3, the impeller 52 is arranged for driving the reciprocating screw rod 3 to rotate, the blocking screen plate 53 is rotatably connected to the outer side of the reciprocating screw rod 3 through a bearing and fixedly connected to the inner wall of the lower sealing cover 51, the blocking screen plate 53 is arranged for shunting the wastewater discharge pipe to reach the standard, so that the shunted wastewater can drive the impeller 52 to rotate, the upper sealing cover 54 is fixedly arranged on the top of the lower sealing cover 51, one end of the second wastewater discharge pipe 55 fixedly penetrates through the left side of the upper sealing cover 54 and the other end fixedly penetrates through the bottom of the right side of the water storage tank 11, the second wastewater discharge pipe 55 is arranged for inputting the wastewater inside the water in the water storage tank 11 into the upper sealing cover 54, the excess wastewater discharge pipe 56 fixedly penetrates through the bottom of the lower sealing cover 51, the upper sealing cover 56 and the excess wastewater circulation pipe 56 is arranged for discharging the wastewater to reach the standard, and the one-way of the waste circulation pipe 51.
As shown in fig. 2 and 4, the lifting scraping mechanism 6 includes a lifting plate 61, a scraping piston 62, guide rods 63, a cavity 64, a water supply pipe 65 and an outer sleeve 66, wherein the lifting plate 61 is sleeved outside the reciprocating screw rod 3 and is in threaded connection with the reciprocating screw rod 3, the lifting plate 61 is arranged to drive the scraping piston 62 to ascend and descend under the driving of the reciprocating screw rod 3, the scraping piston 62 is adhered to the bottom of the lifting plate 61 and is attached to the inner wall of the container 2 to be processed, the scraping piston 62 is arranged to scrape the inner wall of the container 2 to be processed, the guide rods 63 are arranged in two numbers, the two guide rods 63 penetrate through the lifting plate 61 and the scraping piston 62 and are in sliding connection with the lifting plate 61 and the scraping piston 62, the top ends of the two guide rods 63 are fixedly connected to the inner wall of the container 2 to be processed, the guide rods 63 are arranged to guide the lifting plate 61 and the scraping piston 62 in the ascending and descending process, the cavity 64 is arranged inside the lifting plate 61, one end of the water supply pipe 65 is fixedly arranged at the left side of the lifting plate 61 and at the bottom of the lower sealed cover 51, the outer sleeve 65 is arranged to enable the cavity 64 to be communicated with the outer sleeve 66, and the sealed container to be processed through the sealed and the sealed container 2, and the sealed container to enter the outer sleeve 64, and the outer sleeve 66, and the sealed container to be processed, and the sealed container 2, and the sealed container to be processed, and the sealed and sealed container 2, and the sealed container to be processed.
As shown in fig. 4 and 5, the triggered water outlet mechanism 7 includes a return spring 71, a sealing plate 72, a sliding column 73, an i-shaped channel 74 and inclined guide surfaces 75, wherein the return spring 71 is fixedly disposed inside the cavity 64, the return spring 71 is disposed to enable the sealing plate 72 to drive the raised sliding column 73 to return, the sealing plate 72 is fixedly connected to the bottom end of the return spring 71, the sliding column 73 penetrates through the lifting plate 61 and the scraping piston 62 and is slidably connected to the lifting plate 61 and the scraping piston 62, the top end of the sliding column 73 is fixedly connected to the sealing plate 72, the i-shaped channel 74 is disposed inside the sliding column 73, the i-shaped channel 74 is disposed to output standard wastewater inside the cavity 64, two inclined guide surfaces 75 are disposed, the two inclined guide surfaces 75 are disposed at the front bottom and the back bottom of the sliding column 73, and the inclined guide surfaces 75 are disposed to drive the sliding column 73 to move upward when being pushed.
As shown in fig. 6, the rotary trigger mechanism 8 includes a rotary seat 81, an installation sleeve 82 and a trigger partition plate 83, wherein, the rotary seat 81 is fixedly sleeved and connected with the bottom of the outer side of the reciprocating screw rod 3, the setting of the rotary seat 81 is used for driving the trigger partition plate 83 to rotate, the installation sleeve 82 is sleeved and connected with the outer side of the reciprocating screw rod 3 and the rotary seat 81, the trigger partition plate 83 is provided with a plurality of trigger partition plates 83, the trigger partition plates 83 are uniformly and fixedly arranged on the outer side of the installation sleeve 82, the trigger partition plates 83 are arranged for pushing the inclined guide surface 75 in the rotating process, and meanwhile, the residual solid particles and residual substandard water flow at the top of the rotary seat 81 can be driven to flow into the return pipe 9.
Example 2
The invention also comprises a waste alkali dissolving tank, a waste alkali storage tank, a waste acid dissolving tank, a waste acid storage tank, a comprehensive reaction tank, a sludge settling tank, a plate-and-frame filter press, a high-efficiency filter, a waste gas washing circulation system and an induced draft fan.
However, the above structures all belong to the solutions already disclosed in the prior art, and do not belong to the necessary technical features of the present application, so the detailed description of the specific structures and the connection manners thereof is not described herein.
Example 3
Different from the above embodiment, as shown in fig. 1, fig. 2 and fig. 3, a pneumatic water supply cleaning mechanism 4 is disposed at the top end of the reciprocating screw rod 3, the pneumatic water supply cleaning mechanism 4 includes a gas flow-dividing pipe 41, a cleaning channel 42 and an inclined air hole 43, wherein one end of the gas flow-dividing pipe 41 is rotatably connected to the top end of the reciprocating screw rod 3 through a rotary joint, the other end of the gas flow-dividing pipe 41 is connected to the water storage tank 11, the input end of the gas flow-dividing pipe 41 is connected to the output end of the induced draft fan, the cleaning channel 42 is disposed inside the reciprocating screw rod 3, the inclined air hole 43 is provided in plural numbers, and the inclined air holes 43 are uniformly disposed outside the reciprocating screw rod 3 and communicated with the cleaning channel 42.
Through setting up above-mentioned structure, so that be connected the back with the draught fan output with gas shunt tubes 41 top, waste gas after handling this moment passes through gas shunt tubes 41 and inputs respectively to water storage box 11 and reciprocal lead screw 3 inside, the waste gas of inputing the inside of water storage box 11 makes the inside atmospheric pressure increase of water storage box 11, and then make the waste water up to standard of the inside storage of water storage box 11 enter into inside upper seal cover 54 through second waste water up to standard output pipe 55, pass separation otter board 53 afterwards and drive impeller 52 rotatory, impeller 52 under the rotation state drives reciprocal lead screw 3 synchronous revolution, the waste water up to standard of the inside of lower seal cover 51 then enters into inside cavity 64 through delivery pipe 65, after cavity 64 is full of inside, waste water up to standard passes through unnecessary waste water circulating pipe 56 direct output, when waste gas inputs to reciprocal lead screw 3 inside, enter into a plurality of slope gas pocket 43 inboardly through clean passageway 42, blow to the container 2 inner wall of waiting to handle through slope gas pocket 43 again, and then reach standard attached solid particulate matter and a small amount of waste water up to the inner wall of waiting to handle container 2 preliminarily clear away.
The working principle of the invention is as follows:
in the actual use process, the treated standard-reaching wastewater in the waste acid and alkali treatment water collecting tank is input into the water storage tank 11 through the standard-reaching wastewater input pipe 12 for storage, with the increase of the water quantity in the water storage tank 11, when the liquid level is higher than the first standard-reaching wastewater output pipe 13, the redundant standard-reaching wastewater is directly discharged through the first standard-reaching wastewater output pipe 13, and in the wastewater treatment process, the generated waste gas is input into the waste gas washing circulation system by the induced draft fan and is output through the induced draft fan after treatment;
when water in the container to be treated 2 which is set as a buffering water collecting tank or a waste acid alkali treatment water collecting tank is pumped back to the comprehensive reaction tank for retreatment, a small amount of substandard waste water is remained in the container to be treated 2, then the stop valve 14 is closed, the top end of the gas shunt pipe 41 is connected with the output end of the induced draft fan, and the treated waste gas is respectively input into the water storage tank 11 and the reciprocating screw rod 3 through the gas shunt pipe 41;
waste gas input into the water storage tank 11 increases the air pressure inside the water storage tank 11, so that the standard-reaching waste water stored inside the water storage tank 11 enters the upper sealing cover 54 through the second standard-reaching waste water output pipe 55, then passes through the barrier screen plate 53 to drive the impeller 52 to rotate, the impeller 52 in a rotating state drives the reciprocating screw rod 3 to synchronously rotate, the standard-reaching waste water inside the lower sealing cover 51 enters the cavity 64 through the water supply pipe 65, and after the cavity 64 is filled with the waste water, the standard-reaching waste water is directly output through the redundant waste water circulating pipe 56;
when waste gas is input into the reciprocating screw rod 3, the waste gas enters the inner sides of the inclined air holes 43 through the cleaning channel 42 and then is blown to the inner wall of the container 2 to be treated through the inclined air holes 43, so that solid particles and a small amount of substandard waste water attached to the inner wall of the container 2 to be treated are preliminarily removed;
in the process that the impeller 52 drives the reciprocating screw rod 3 to rotate, the reciprocating screw rod 3 drives the lifting plate 61 to descend, the continuously descending lifting plate 61 scrapes the inner wall of the container 2 to be treated through the scraping piston 62, so that solid particles still remaining on the inner wall of the container 2 to be treated and waste water which does not reach the standard are pushed downwards, and meanwhile, when the reciprocating screw rod 3 rotates, the rotating seat 81 and the mounting sleeve 82 drive the plurality of trigger partition plates 83 to rotate continuously;
the sliding column 73 descends synchronously along with the continuous descending of the lifting plate 61, when the sliding column 73 descends to a position between any two trigger partition plates 83, along with the rotation of the trigger partition plates 83, the trigger partition plates 83 push the sliding column 73 through the inclined guide surfaces 75, so that the sliding column 73 drives the sealing plate 72 to ascend, and simultaneously compresses the return spring 71, at the moment, the upper end of the I-shaped channel 74 enters the inner side of the cavity 64, the standard-reaching wastewater in the cavity 64 enters a position between two adjacent trigger partition plates 83 through the I-shaped channel 74, and further, the residual solid particles and the unqualified wastewater are driven to enter the comprehensive reaction tank through the return pipe 9;
subsequently, under the continuous driving of the reciprocating screw rod 3, the lifting plate 61 drives the scraping piston 62 to reset, at the moment, the connection between the top end of the gas shunt pipe 41 and the output end of the induced draft fan is released, and then the stop valve 14 is opened.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides a contain heavy metal acid-base waste liquid materialization integrated processing system which characterized in that: including waste water retaining mechanism up to standard (1), waste water retaining mechanism up to standard (1) right side is provided with pending container (2), pending container (2) sets up to arbitrary one in buffering catch basin and the spent acid alkali treatment catch basin, pending container (2) inside is provided with reciprocal lead screw (3), reciprocal lead screw (3) top is provided with pneumatic water supply cleaning mechanism (4), reciprocal lead screw (3) outside top is provided with hydraulic drive mechanism (5), impeller (52) drive reciprocal lead screw (3) rotation in hydraulic drive mechanism (5), pending container (2) inner chamber top is provided with over-and-under type scraping mechanism (6), scraping piston (62) scrapes pending container (2) inner wall in over-and-under type scraping mechanism (6), over-and-under type scraping mechanism (6) bottom both sides all are provided with trigger formula play water mechanism (7), pending container (2) inner chamber bottom is provided with rotation type trigger mechanism (8), trigger baffle (83) in triggering mechanism (8) pass through slope spigot surface (75) promotion trigger formula play water mechanism (7) in the trigger formula play water mechanism (7) and pass through in the rotation type play water mechanism (7) and pass through the fixed post (9) that slides and move on the right side, the rotary trigger mechanism (8) is connected with the comprehensive reaction tank through a return pipe (9).
2. The physicochemical comprehensive treatment system for the heavy metal-containing acid-base waste liquid according to claim 1, characterized in that: the standard-reaching wastewater storage mechanism (1) comprises a water storage tank (11), a standard-reaching wastewater input pipe (12), a first standard-reaching wastewater output pipe (13) and a stop valve (14);
waste water input pipe up to standard (12) are fixed to be run through and to be set up in water storage box (11) left side top, water storage box (11) are connected with spent acid alkali treatment catch basin through waste water input pipe up to standard (12), first waste water output tube up to standard (13) are fixed to be run through and to be set up in water storage box (11) left side middle part, stop valve (14) set up on first waste water output tube up to standard (13).
3. The system for the comprehensive physicochemical treatment of the heavy-metal-containing acid-base waste liquid according to claim 2, which is characterized in that: the pneumatic water supply cleaning mechanism (4) comprises a gas shunt pipe (41), a cleaning channel (42) and an inclined air hole (43);
gas shunt tubes (41) one end is passed through rotary joint and is rotated to be connected in reciprocal lead screw (3) top, the gas shunt tubes (41) other end is connected with water storage box (11), the input and the draught fan output of gas shunt tubes (41) are connected, it is inboard that reciprocal lead screw (3) are seted up in clean passageway (42), slope gas pocket (43) are provided with a plurality ofly, and are a plurality of slope gas pocket (43) are evenly seted up in reciprocal lead screw (3) the outside, and communicate with clean passageway (42).
4. The system for the comprehensive physicochemical treatment of the heavy-metal-containing acid-base waste liquid according to claim 3, which is characterized in that: the hydraulic driving mechanism (5) comprises a lower sealing cover (51), an impeller (52), a blocking screen plate (53), an upper sealing cover (54), a second standard-reaching wastewater output pipe (55) and an excess wastewater circulating pipe (56).
5. The physicochemical comprehensive treatment system for the heavy metal-containing acid-base waste liquid according to claim 4, characterized in that: lower sealed cowling (51) is fixed to be set up in pending container (2) top, impeller (52) are located sealed cowling (51) inboard down, and fixed cup joint sets up in reciprocal lead screw (3) outside, separation otter board (53) rotate through the bearing cup joint set up in reciprocal lead screw (3) outside and with sealed cowling (51) inner wall fixed connection down, go up sealed cowling (54) fixed set up in sealed cowling (51) top down, second waste water up to standard output tube (55) one end is fixed to be run through set up in last sealed cowling (54) left side and the other end is fixed to be run through set up in water storage box (11) right side bottom, unnecessary waste water circulating pipe (56) is fixed to be run through set up in sealed cowling (51) right side bottom down, all be provided with the check valve on waste water up to standard input pipe (12) and unnecessary waste water circulating pipe (56).
6. The system for the comprehensive physicochemical treatment of the heavy-metal-containing acid-base waste liquid according to claim 5, which is characterized in that: the lifting scraping mechanism (6) comprises a lifting plate (61), a scraping piston (62), a guide rod (63), a cavity (64), a water supply pipe (65) and an outer sleeve (66).
7. The system for the comprehensive physicochemical treatment of the heavy-metal-containing acid-base waste liquid according to claim 6, which is characterized in that: lifter plate (61) cup joints and sets up in reciprocal lead screw (3) outside and with reciprocal lead screw (3) threaded connection, scraping piston (62) bonds and sets up in lifter plate (61) bottom and with the laminating of pending container (2) inner wall, guide bar (63) are provided with two, two guide bar (63) all run through lifter plate (61) and scraping piston (62) and with lifter plate (61) and scraping piston (62) sliding connection, two guide bar (63) top all with pending container (2) inner wall fixed connection, cavity (64) are seted up inside lifter plate (61), delivery pipe (65) one end is fixed to run through and is set up in lifter plate (61) top left side and the other end is fixed to run through and set up in lower seal cover (51) left side bottom, cavity (64) through outer tube (65) and lower seal cover (51) intercommunication, sliding cup joint sets up in the delivery pipe (65) outside, and fixed set up in pending container (2) top left side nestification.
8. The physicochemical comprehensive treatment system for the heavy metal-containing acid-base waste liquid according to claim 7, characterized in that: the trigger type water outlet mechanism (7) comprises a return spring (71), a sealing plate (72), a sliding column (73), an I-shaped channel (74) and an inclined guide surface (75);
reset spring (71) are fixed to be set up in cavity (64) inboard, closing plate (72) fixed connection is in reset spring (71) bottom, sliding column (73) run through lifter plate (61) and scraping piston (62) and with lifter plate (61) and scraping piston (62) sliding connection, sliding column (73) top and closing plate (72) fixed connection, inside sliding column (73) was seted up in I-shaped passageway (74), slope spigot surface (75) are provided with two, two slope spigot surface (75) are seted up respectively in sliding column (73) front bottom and back bottom.
9. The physicochemical comprehensive treatment system for the heavy metal-containing acid-base waste liquid according to claim 8, characterized in that: the rotary trigger mechanism (8) comprises a rotary seat (81), a mounting sleeve (82) and a trigger partition plate (83);
roating seat (81) are fixed cup joints and sets up in reciprocating lead screw (3) outside bottom, install sleeve (82) cup joint set up in reciprocating lead screw (3) outside and with roating seat (81) fixed connection, it is provided with a plurality ofly, a plurality of to trigger baffle (83) evenly fixed the setting in install sleeve (82) outside.
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