CN112875993A - Purification device with heavy metal wastewater - Google Patents
Purification device with heavy metal wastewater Download PDFInfo
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- CN112875993A CN112875993A CN202110097530.2A CN202110097530A CN112875993A CN 112875993 A CN112875993 A CN 112875993A CN 202110097530 A CN202110097530 A CN 202110097530A CN 112875993 A CN112875993 A CN 112875993A
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
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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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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Abstract
The invention discloses a purification device for wastewater with heavy metals, wherein a microbial flocculation cavity of the purification device is connected with a wastewater circulating and sampling mechanism, so that the circulating flow of the wastewater in the microbial flocculation cavity is realized through the wastewater circulating and sampling mechanism, the sampling treatment of the wastewater is realized, the circulating flow of the wastewater and the microbial treatment effect can be conveniently realized, the microbial activity is ensured, and meanwhile, the invention can conveniently realize the sampling and realize the monitoring of the microbial treatment environment; the output end of the precipitation pulp filtering mechanism is connected to the precipitation pulp concentrating mechanism, the precipitation pulp concentrating mechanism can realize concentration treatment on the precipitation pulp, can ensure the subsequent treatment effect on the precipitation flocculation pulp and is convenient for the subsequent treatment capacity, the cooperation of the horizontal concentration extruding mechanism and the vertical concentration extruding mechanism of the precipitation pulp concentrating mechanism can realize extrusion concentration on the flocculation sediment and push the precipitation flocculation pulp after extrusion concentration out of a pulp outlet, the purification and treatment effects of waste water are ensured, the subsequent treatment on the concentrated precipitation pulp is convenient, and the treatment capacity is improved.
Description
Technical Field
The invention particularly relates to a purification device for wastewater with heavy metals, and relates to the relevant field of heavy metal wastewater treatment.
Background
Heavy metal pollutants are difficult to treat, and when accumulated in a water body to a certain limit, serious harm is caused to aquatic plants and aquatic animal systems in the water body, and the self health of human beings can be influenced by a food chain. Heavy metal wastewater is produced in many production processes in the industries of mining and metallurgy, mechanical manufacturing, chemical industry, electronics, instruments and the like, and the wastewater seriously affects the health and even the life of children and adults. Therefore, heavy metal wastewater needs to be treated in an important way, and at present, wastewater containing heavy metals is generally treated by a chemical method, a physical treatment method or a biological treatment method, wherein the biological treatment method has wide prospects because the biological treatment method is safe, non-toxic and easy to treat, and the biological treatment method also comprises methods such as biological adsorption, biological flocculation, phytoremediation and the like. Among them, the bioflocculation method has the advantages of high flocculation efficiency, easy separation of flocculate, and the like, and therefore, the biological flocculation method has the widest prospect. However, in the bio-flocculation method, after the flocs are settled, the flocs need to be settled and concentrated, and the current settling and concentrating efficiency is low, and the flocs are generally settled and filtered only by gravity and oscillation, which hardly realizes the concentration of the flocs and affects the wastewater purification effect.
Disclosure of Invention
Therefore, in order to solve the above-mentioned disadvantages, the present invention provides a purification device for wastewater with heavy metals.
The invention is realized in such a way, a purification device for wastewater with heavy metal is constructed, and comprises a pretreatment device, a microorganism flocculation tank, a wastewater circulating and sampling mechanism, a flocculation and precipitation slurry discharge mechanism, a precipitation slurry filtering mechanism and a precipitation slurry concentration mechanism, wherein the output end of the pretreatment device is connected to the microorganism flocculation tank; the microbial flocculation cavity is connected with the wastewater circulating and sampling mechanism so as to realize the circulating flow of the wastewater in the microbial flocculation cavity and realize the sampling treatment of the wastewater through the wastewater circulating and sampling mechanism; the bottom side of the sedimentation cavity is connected with the input end of the flocculation and sedimentation pulp discharge mechanism through a discharge pipeline, the output end of the flocculation and sedimentation pulp discharge mechanism is connected to the sedimentation pulp filtering mechanism, the output end of the sedimentation pulp filtering mechanism is connected to the sedimentation pulp concentrating mechanism, and the sedimentation pulp concentrating mechanism can realize concentration treatment on the sedimentation pulp.
Further, as preferred, waste water circulation and sampling mechanism includes first circulation tank, second circulation tank and circulating pump group, wherein, first circulation tank, the parallelly connected intercommunication setting of second circulation tank, the circulating pump group sets up the second circulation tank with between the microorganism flocculation basin, all be provided with the sampling joint on first circulation tank and the second circulation tank.
Further, as preferred, the top of microorganism flocculation basin is provided with the heat preservation lid, one side of heat preservation lid is provided with the microorganism adder, flocculation and precipitation thick liquid discharge mechanism is for can carrying out the thick liquid delivery pump package of carrying to mud.
Further, as preferred, the sediment thick liquid filtering mechanism includes base, water receiving storehouse, oscillator, filters the storehouse, wherein, the centre of base is provided with the water receiving seat of funnel structure, the bottom intercommunication of water receiving seat is provided with the water receiving storehouse, adopt all around of base the oscillator supports the connection filter the storehouse, the bottom of filtering the storehouse is provided with the filter screen, the filter screen is used for filtering the flocculation sediment.
Further, as preferred, the output of flocculation and precipitation thick liquid discharge mechanism is provided with the discharge gun seat that is used for discharging flocculation and precipitation thick liquid, the discharge gun seat adopts articulated mode support connection in the top of base, just the discharge gun seat is located filter bin's top, still be provided with the drive on the base the wobbling oscillator of discharge gun seat, the oscillator drive the discharge end swing of discharge gun seat, and then make the discharged flocculation and precipitation thick liquid fall in the different positions of filter screen.
Further, as preferred, the one end of crossing the filter bin is provided with the opening, the articulated shutoff door that is provided with in open-ended one side, the shutoff door can rotate around articulated department to it is supplementary when wasing or cleaning to cross the filter bin material unloading in the filter bin, cross keeping away from of filter bin open-ended one side is provided with precipitate receiving shell seat, the vertical extension setting of inner chamber of precipitate receiving shell seat, be provided with out the thick liquid mouth on the precipitate receiving shell seat, the interior intracavity of deposiing thick liquid concentration mechanism sets up in the precipitate receiving shell seat.
Further, as preferred, concentrated mechanism of sediment thick liquid includes positioning seat, the concentrated extrusion mechanism of level, vertical concentrated extrusion mechanism, under bracing filter net membrane, L type extrusion seat, wherein, the horizontal cross section of positioning seat is U type structure, and the opening side orientation of this U type structure go out the thick liquid mouth, in the U type structure with be provided with on the inner wall that the opening side is relative horizontal concentrated extrusion mechanism, the open side top of U type structure is provided with vertical concentrated extrusion mechanism, the below of positioning seat supports to lean on to support and is provided with under bracing filter net membrane, the lower terminal surface of under bracing filter net membrane supports and is provided with the supporting network, the extrusion output of vertical concentrated extrusion mechanism is connected with L type extrusion seat, L type extrusion seat is in can reciprocate under the drive of vertical concentrated extrusion mechanism, just L type extrusion seat can during in the lower part position of stroke with the up end of under bracing filter net membrane supports and is provided with Leaning on; when the L-shaped extrusion seat is positioned at the uppermost position of the stroke, the space between the lower end surface of the L-shaped extrusion seat and the upper end surface of the lower supporting filter screen film can allow the extrusion end of the horizontal concentration extrusion mechanism to pass through so as to push the extruded mud out of the mud outlet by using the horizontal concentration extrusion mechanism; and the horizontal concentration extrusion mechanism can be matched with the vertical concentration extrusion mechanism and the L-shaped extrusion seat to realize the extrusion concentration of the flocculated sediment.
Further, as preferred, concentrated extrusion mechanism of level includes horizontal cylinder, guide post, sealed guide pin bushing, push pedal and horizontal extrusion seat, horizontal cylinder level is fixed the open-ended one side of keeping away from U type structure of positioning seat, horizontal cylinder's output stretches into in the positioning seat and be connected to the push pedal, fixed being provided with in the push pedal is located horizontal cylinder both sides the guide post, be provided with the level extension on the positioning seat sealed guide pin bushing, the guide post with sealed sliding fit between the guide pin bushing, the fixed being provided with towards open-ended one side of push pedal horizontal extrusion seat, the extrusion end of horizontal extrusion seat is provided with the extrusion tooth of intensive arrangement.
Further, as preferred, vertical concentrated extrusion mechanism includes vertical extrusion cylinder, vertical slide, vertical guide rail, wherein, vertical guide rail adopts the fixing base to fix on the sediment receives shell seat inner wall, it is provided with to slide on the vertical guide rail vertical slide, the top of vertical slide is connected with vertical extrusion cylinder's output, vertical extrusion cylinder's cylinder body is fixed the upper portion position of the inner wall of sediment receipt shell seat, vertical slide's orientation one side of horizontal extrusion seat is provided with the fixing clip, the back of the vertical extension section of L type extrusion seat is provided with the connection card, the fixing clip with the connection card links firmly the connection, wherein, the horizontal extension section of L type extrusion seat is for having the otter board structure of many meshes.
In addition, the invention also provides a precipitating slurry concentrating mechanism for the purifying device of the wastewater with the heavy metal, which is characterized in that the mechanism is used for concentrating the flocculating precipitate after the heavy metal wastewater is flocculated by adopting microorganisms, and is also used for the purifying device of the wastewater with the heavy metal; which comprises a positioning seat, a horizontal concentration extrusion mechanism, a vertical concentration extrusion mechanism, a lower supporting filter screen film and an L-shaped extrusion seat, wherein the horizontal cross section of the positioning seat is of a U-shaped structure, the opening side of the U-shaped structure faces the grout outlet, the inner wall of the U-shaped structure opposite to the opening side is provided with the horizontal concentration extrusion mechanism, the upper part of the opening side of the U-shaped structure is provided with the vertical concentration extrusion mechanism, the lower part of the positioning seat is provided with the lower supporting filter screen film in a supporting way, the lower end surface of the lower supporting filter screen film is supported with a supporting net, the extrusion output end of the vertical concentration extrusion mechanism is connected with the L-shaped extrusion seat, the L-shaped extrusion seat can move up and down under the drive of the vertical concentration extrusion mechanism, and the L-shaped extrusion seat can be abutted against the upper end face of the lower support filter screen film when being positioned at the lowest position of the stroke; when the L-shaped extrusion seat is positioned at the uppermost position of the stroke, the space between the lower end surface of the L-shaped extrusion seat and the upper end surface of the lower supporting filter screen film can allow the extrusion end of the horizontal concentration extrusion mechanism to pass through so as to push the extruded mud out of the mud outlet by using the horizontal concentration extrusion mechanism; the horizontal concentration extrusion mechanism can be matched with the vertical concentration extrusion mechanism and the L-shaped extrusion seat to realize the extrusion concentration of the flocculated sediment; and is
The horizontal concentration and extrusion mechanism comprises a horizontal cylinder, a guide post, a sealing guide sleeve, a push plate and a horizontal extrusion seat, the horizontal cylinder is horizontally fixed on one side of the positioning seat, which is far away from the opening of the U-shaped structure, the output end of the horizontal cylinder extends into the positioning seat and is connected to the push plate, the guide posts on two sides of the horizontal cylinder are fixedly arranged on the push plate, the sealing guide sleeve which horizontally extends is arranged on the positioning seat, the guide post and the sealing guide sleeve are in sealing sliding fit, the horizontal extrusion seat is fixedly arranged on one side of the push plate, which faces the opening, and extrusion teeth which are densely arranged are arranged at the extrusion end of the horizontal extrusion seat; and is
Vertical concentrated extrusion mechanism includes vertical extrusion cylinder, vertical slide, vertical guide rail, wherein, vertical guide rail adopts the fixing base to fix on the sediment receives shell seat inner wall, it is provided with to slide on the vertical guide rail vertical slide, the top of vertical slide is connected with the output of vertical extrusion cylinder, the cylinder body of vertical extrusion cylinder is fixed the upper portion position of the inner wall of sediment receipt shell seat, the orientation of vertical slide one side of horizontal extrusion seat is provided with the fixing clip, the back of the vertical extension section of L type extrusion seat is provided with the connector card, the fixing clip with the connector card links firmly, wherein, the horizontal extension section of L type extrusion seat is for having the otter board structure of many meshes.
The invention has the following advantages: compared with the same type of equipment, the purification device for wastewater with heavy metals provided by the invention has the following advantages:
(1) according to the purification device for wastewater with heavy metals, the microbial flocculation cavity is connected with the wastewater circulating and sampling mechanism, so that the circulating flow of the wastewater in the microbial flocculation cavity is realized through the wastewater circulating and sampling mechanism, the sampling treatment of the wastewater is realized, the circulating flow of the wastewater and the microbial treatment effect can be conveniently realized, the microbial activity is ensured, and meanwhile, the sampling can be conveniently realized, and the monitoring of a microbial treatment environment is realized;
(2) the output end of the precipitated pulp filtering mechanism is connected to the precipitated pulp concentrating mechanism, the precipitated pulp concentrating mechanism can realize concentration treatment on the precipitated pulp, the subsequent treatment effect on the precipitated flocculation pulp can be ensured, the subsequent treatment capacity is facilitated, the precipitated pulp concentrating mechanism comprises a positioning seat, a horizontal concentrating and extruding mechanism, a vertical concentrating and extruding mechanism, a lower supporting filter screen film and an L-shaped extruding seat, and the cooperation of the horizontal concentrating and extruding mechanism and the vertical concentrating and extruding mechanism can realize extrusion concentration on the flocculation precipitate and push the extruded and concentrated precipitated flocculation pulp out of a pulp outlet, so that the purification and treatment effects of wastewater are ensured, the subsequent concentrated precipitated pulp can be conveniently treated, and the treatment capacity is improved.
Drawings
FIG. 1 is a schematic overall front view of the present invention;
FIG. 2 is a schematic structural view of a precipitation slurry thickening mechanism of the present invention;
FIG. 3 is a schematic view of the L-shaped extrusion seat of the present invention;
FIG. 4 is a schematic top view of the present invention settling slurry concentrating mechanism.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 4, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a purification device for wastewater with heavy metals by improvement, which comprises pretreatment equipment, a microbial flocculation tank 1, a wastewater circulating and sampling mechanism, a flocculation and precipitation slurry discharge mechanism 8, a precipitation slurry filtering mechanism and a precipitation slurry concentration mechanism, wherein the output end of the pretreatment equipment is connected to the microbial flocculation tank; the microbial flocculation cavity is connected with the wastewater circulating and sampling mechanism so as to realize the circulating flow of the wastewater in the microbial flocculation cavity and realize the sampling treatment of the wastewater through the wastewater circulating and sampling mechanism; the bottom side of the precipitation cavity is connected with the input end of the flocculation precipitation pulp discharge mechanism through a discharge pipeline 7, the output end of the flocculation precipitation pulp discharge mechanism 8 is connected to the precipitation pulp filtering mechanism, the output end of the precipitation pulp filtering mechanism is connected to the precipitation pulp concentrating mechanism, and the precipitation pulp concentrating mechanism can realize concentration treatment on the precipitation pulp.
The wastewater circulating and sampling mechanism comprises a first circulating tank 2, a second circulating tank 3 and a circulating pump group 6, wherein the first circulating tank and the second circulating tank are communicated in parallel, the circulating pump group is arranged between the second circulating tank and the microbial flocculation tank, and sampling joints are arranged on the first circulating tank and the second circulating tank.
The top of the microbial flocculation tank 1 is provided with a heat preservation cover, one side of the heat preservation cover is provided with a microbial adder 4, and the flocculation precipitation slurry discharge mechanism 8 is a slurry conveying pump set capable of conveying slurry.
The sedimentation thick liquid filtering mechanism includes base 10, connects sump 11, oscillator 12, filters storehouse 14, wherein, the centre of base 10 is provided with the water receiving seat of funnel structure, the bottom intercommunication of water receiving seat is provided with connect the sump, adopt all around of base the oscillator supports and connects filter the storehouse, the bottom of filtering the storehouse is provided with the filter screen, the filter screen is used for filtering the flocculation sediment.
The output of flocculation and sedimentation thick liquid discharge mechanism 8 is provided with the discharge gun seat 15 that is used for discharging the flocculation and sedimentation thick liquid, the discharge gun seat adopts articulated mode to support to be connected the top of base, just the discharge gun seat is located filter the top in storehouse, still be provided with the drive on the base discharge gun seat 15 wobbling oscillator, the oscillator drive discharge end swing of discharge gun seat 15, and then make the discharged flocculation and sedimentation thick liquid fall in the different positions of filter screen.
The one end of crossing the filter bin is provided with the opening, the articulated shutoff door 13 that is provided with in open-ended one side, the shutoff door can rotate around articulated department to it is supplementary when wasing or cleaning to cross the filter bin material unloading in the filter bin, cross keeping away from of filter bin open-ended one side is provided with precipitate receiving shell seat 16, the vertical extension setting of inner chamber of precipitate receiving shell seat 16, be provided with out thick liquid mouth 9 on the precipitate receiving shell seat 16, the interior intracavity of deposiing thick liquid concentration mechanism 16 sets up in precipitate receiving shell seat 16.
The sedimentation pulp concentration mechanism 16 comprises a positioning seat 18, a horizontal concentration extrusion mechanism, a vertical concentration extrusion mechanism, a lower supporting filter screen film 17 and an L-shaped extrusion seat 27, wherein, the horizontal cross section of the positioning seat 18 is a U-shaped structure, and the opening side of the U-shaped structure faces the grout outlet, the inner wall of the U-shaped structure opposite to the opening side is provided with the horizontal concentration extrusion mechanism, the upper part of the opening side of the U-shaped structure is provided with the vertical concentration extrusion mechanism, the lower part of the positioning seat is provided with the lower supporting filter screen film in a supporting way, the lower end surface of the lower supporting filter screen film is supported with a supporting net, the extrusion output end of the vertical concentration extrusion mechanism is connected with the L-shaped extrusion seat, the L-shaped extrusion seat can move up and down under the drive of the vertical concentration extrusion mechanism, and the L-shaped extrusion seat can be abutted against the upper end face of the lower support filter screen film when being positioned at the lowest position of the stroke; when the L-shaped extrusion seat is positioned at the uppermost position of the stroke, the space between the lower end surface of the L-shaped extrusion seat and the upper end surface of the lower supporting filter screen film can allow the extrusion end of the horizontal concentration extrusion mechanism to pass through so as to push the extruded mud out of the mud outlet by using the horizontal concentration extrusion mechanism; and the horizontal concentration extrusion mechanism can be matched with the vertical concentration extrusion mechanism and the L-shaped extrusion seat 27 to realize the extrusion concentration of the flocculated sediment.
Horizontal concentrated extrusion mechanism includes horizontal cylinder 20, guide post 19, sealed guide pin bushing, push pedal and horizontal extrusion seat 21, horizontal cylinder level is fixed the open-ended one side of keeping away from U type structure of positioning seat, horizontal cylinder's output stretches into in the positioning seat and be connected to the push pedal, fixed being provided with in the push pedal is located horizontal cylinder both sides the guide post, be provided with the level on the positioning seat and extend sealed guide pin bushing, the guide post with sealed sliding fit between the sealed guide pin bushing, the fixed being provided with towards open-ended one side of push pedal horizontal extrusion seat, the extrusion end of horizontal extrusion seat is provided with the extrusion tooth of intensive arrangement.
Vertical concentrated extrusion mechanism includes vertical extrusion cylinder 22, vertical slide 23, vertical guide rail 24, wherein, vertical guide rail adopts the fixing base to fix on the 16 inner walls of deposit receipt shell seat, it is provided with to slide on the vertical guide rail vertical slide, the top of vertical slide is connected with vertical extrusion cylinder's output, vertical extrusion cylinder's cylinder body is fixed the upper portion position of the inner wall of deposit receipt shell seat 16, vertical slide's orientation one side of horizontal extrusion seat is provided with the fixing clip, the back of the vertical extension section of L type extrusion seat 27 is provided with connector card 28, the fixing clip with the connector card links firmly the connection, wherein, the horizontal extension section of L type extrusion seat 27 is for having the otter board structure of many meshes.
In addition, the invention also provides a precipitating slurry concentrating mechanism 16 for the purifying device of the wastewater with heavy metals, which is characterized in that the mechanism is used for concentrating the flocculating precipitate after the heavy metal wastewater is flocculated by microorganisms and is also used for the purifying device of the wastewater with heavy metals; which comprises a positioning seat 18, a horizontal concentration extrusion mechanism, a vertical concentration extrusion mechanism, a lower supporting filter screen film 17 and an L-shaped extrusion seat 27, wherein, the horizontal cross section of the positioning seat 18 is a U-shaped structure, and the opening side of the U-shaped structure faces the grout outlet, the inner wall of the U-shaped structure opposite to the opening side is provided with the horizontal concentration extrusion mechanism, the upper part of the opening side of the U-shaped structure is provided with the vertical concentration extrusion mechanism, the lower part of the positioning seat is provided with the lower supporting filter screen film in a supporting way, the lower end surface of the lower supporting filter screen film is supported with a supporting net, the extrusion output end of the vertical concentration extrusion mechanism is connected with the L-shaped extrusion seat, the L-shaped extrusion seat can move up and down under the drive of the vertical concentration extrusion mechanism, and the L-shaped extrusion seat can be abutted against the upper end face of the lower support filter screen film when being positioned at the lowest position of the stroke; when the L-shaped extrusion seat is positioned at the uppermost position of the stroke, the space between the lower end surface of the L-shaped extrusion seat and the upper end surface of the lower supporting filter screen film can allow the extrusion end of the horizontal concentration extrusion mechanism to pass through so as to push the extruded mud out of the mud outlet by using the horizontal concentration extrusion mechanism; the horizontal concentration extrusion mechanism can be matched with the vertical concentration extrusion mechanism and the L-shaped extrusion seat 27 to realize the extrusion concentration of the flocculated sediment; and is
The horizontal concentration and extrusion mechanism comprises a horizontal cylinder 20, a guide post 19, a sealing guide sleeve, a push plate and a horizontal extrusion seat 21, wherein the horizontal cylinder is horizontally fixed on one side of the positioning seat far away from the opening of the U-shaped structure, the output end of the horizontal cylinder extends into the positioning seat and is connected to the push plate, the guide posts on two sides of the horizontal cylinder are fixedly arranged on the push plate, the horizontally extending sealing guide sleeve is arranged on the positioning seat, the guide posts and the sealing guide sleeve are in sealing sliding fit, the horizontal extrusion seat is fixedly arranged on one side of the push plate facing the opening, and extrusion teeth which are densely arranged are arranged at the extrusion end of the horizontal extrusion seat; and is
Vertical concentrated extrusion mechanism includes vertical extrusion cylinder 22, vertical slide 23, vertical guide rail 24, wherein, vertical guide rail adopts the fixing base to fix on the 16 inner walls of deposit receipt shell seat, it is provided with to slide on the vertical guide rail vertical slide, the top of vertical slide is connected with vertical extrusion cylinder's output, vertical extrusion cylinder's cylinder body is fixed the upper portion position of the inner wall of deposit receipt shell seat 16, vertical slide's orientation one side of horizontal extrusion seat is provided with the fixing clip, the back of the vertical extension section of L type extrusion seat 27 is provided with connector card 28, the fixing clip with the connector card links firmly the connection, wherein, the horizontal extension section of L type extrusion seat 27 is for having the otter board structure of many meshes.
According to the purification device for wastewater with heavy metals, the microbial flocculation cavity is connected with the wastewater circulating and sampling mechanism, so that the circulating flow of the wastewater in the microbial flocculation cavity is realized through the wastewater circulating and sampling mechanism, the sampling treatment of the wastewater is realized, the circulating flow of the wastewater and the microbial treatment effect can be conveniently realized, the microbial activity is ensured, and meanwhile, the sampling can be conveniently realized, and the monitoring of a microbial treatment environment is realized; the output end of the precipitated pulp filtering mechanism is connected to the precipitated pulp concentrating mechanism, the precipitated pulp concentrating mechanism can realize concentration treatment on the precipitated pulp, the subsequent treatment effect on the precipitated flocculation pulp can be ensured, the subsequent treatment capacity is facilitated, the precipitated pulp concentrating mechanism comprises a positioning seat, a horizontal concentrating and extruding mechanism, a vertical concentrating and extruding mechanism, a lower supporting filter screen film and an L-shaped extruding seat, and the cooperation of the horizontal concentrating and extruding mechanism and the vertical concentrating and extruding mechanism can realize extrusion concentration on the flocculation precipitate and push the extruded and concentrated precipitated flocculation pulp out of a pulp outlet, so that the purification and treatment effects of wastewater are ensured, the subsequent concentrated precipitated pulp can be conveniently treated, and the treatment capacity is improved.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described, and the standard parts used in the present invention are all available on the market, the special-shaped parts can be customized according to the description and the accompanying drawings, the specific connection mode of each part adopts the conventional means of bolt and rivet, welding and the like mature in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the details are not described herein.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A purification device for wastewater with heavy metals comprises pretreatment equipment, a microbial flocculation tank (1), a wastewater circulating and sampling mechanism, a flocculation and precipitation slurry discharging mechanism (8), a precipitation slurry filtering mechanism and a precipitation slurry concentrating mechanism, wherein the output end of the pretreatment equipment is connected to the microbial flocculation tank; the microbial flocculation cavity is connected with the wastewater circulating and sampling mechanism so as to realize the circulating flow of the wastewater in the microbial flocculation cavity and realize the sampling treatment of the wastewater through the wastewater circulating and sampling mechanism; the bottom side of the precipitation cavity is connected with the input end of the flocculation precipitation pulp discharging mechanism through a discharging pipeline (7), the output end of the flocculation precipitation pulp discharging mechanism (8) is connected to the precipitation pulp filtering mechanism, the output end of the precipitation pulp filtering mechanism is connected to the precipitation pulp concentrating mechanism, and the precipitation pulp concentrating mechanism can realize concentration treatment on the precipitation pulp.
2. The purification device of heavy metal-containing wastewater according to claim 1, characterized in that: the wastewater circulating and sampling mechanism comprises a first circulating tank (2), a second circulating tank (3) and a circulating pump set (6), wherein the first circulating tank and the second circulating tank are communicated in parallel, the circulating pump set is arranged between the second circulating tank and the microbial flocculation tank, and sampling joints are arranged on the first circulating tank and the second circulating tank.
3. The purification device of heavy metal-containing wastewater as claimed in claim 2, wherein: the top of microorganism flocculation basin (1) is provided with the heat preservation lid, one side of heat preservation lid is provided with microorganism adder (4), flocculation and precipitation thick liquid discharge mechanism (8) are for carrying out the thick liquid delivery pump package of carrying to mud.
4. The purification device of heavy metal-containing wastewater as claimed in claim 2, wherein: the sedimentation slurry filtering mechanism comprises a base (10), a water receiving bin (11), an oscillator (12) and a filtering bin (14), wherein the middle of the base (10) is provided with a water receiving seat of a funnel structure, the bottom of the water receiving seat is communicated with the water receiving bin, the base is arranged around the oscillator in a supporting mode and connected with the filtering bin, the bottom of the filtering bin is provided with a filter screen, and the filter screen is used for filtering flocculating sediments.
5. The purification device of heavy metal-containing wastewater as claimed in claim 4, wherein: the output of flocculation and sedimentation thick liquid discharge mechanism (8) is provided with discharge gun seat (15) that are used for discharging flocculation and sedimentation thick liquid, the discharge gun seat adopts articulated mode to support to be connected the top of base, just the discharge gun seat is located filter storehouse's top, still be provided with the drive on the base discharge gun seat (15) wobbling oscillator, the oscillator drive the discharge end swing of discharge gun seat (15), and then make the discharged flocculation and sedimentation thick liquid fall the different positions of filter screen.
6. The purification device of heavy metal-containing wastewater as claimed in claim 5, wherein: the one end of filtering the storehouse is provided with the opening, the articulated shutoff door (13) that is provided with in open-ended one side, the shutoff door can rotate around articulated department to supplementary when wasing or cleaning to filtering the storehouse the material unloading in the filtration storehouse, filtering keeping away from of storehouse the open-ended one side is provided with precipitate receiving shell seat (16), the vertical extension setting of inner chamber of precipitate receiving shell seat (16), be provided with out thick liquid mouth (9) on precipitate receiving shell seat (16), the interior intracavity setting of the concentrated mechanism of sediment thick liquid (16) is in precipitate receiving shell seat (16).
7. The purification device of heavy metal-containing wastewater as claimed in claim 6, wherein: the sedimentation pulp concentration mechanism (16) comprises a positioning seat (18), a horizontal concentration extrusion mechanism, a vertical concentration extrusion mechanism, a lower supporting filter net film (17) and an L-shaped extrusion seat (27), wherein the horizontal cross section of the positioning seat (18) is of a U-shaped structure, the opening side of the U-shaped structure faces towards the pulp outlet, the horizontal concentration extrusion mechanism is arranged on the inner wall opposite to the opening side in the U-shaped structure, the vertical concentration extrusion mechanism is arranged above the opening side of the U-shaped structure, the lower support filter net film is arranged below the positioning seat in a supporting manner, a support net is arranged on the lower end face of the lower supporting filter net film in a supporting manner, the extrusion output end of the vertical concentration extrusion mechanism is connected with the L-shaped extrusion seat, and the L-shaped extrusion seat can move up and down under the driving of the vertical concentration extrusion mechanism, and the L-shaped extrusion seat can be abutted against the upper end face of the lower support filter screen film when being positioned at the lowest position of the stroke; when the L-shaped extrusion seat is positioned at the uppermost position of the stroke, the space between the lower end surface of the L-shaped extrusion seat and the upper end surface of the lower supporting filter screen film can allow the extrusion end of the horizontal concentration extrusion mechanism to pass through so as to push the extruded mud out of the mud outlet by using the horizontal concentration extrusion mechanism; and the horizontal concentration extrusion mechanism can be matched with the vertical concentration extrusion mechanism and the L-shaped extrusion seat (27) to realize the extrusion concentration of the flocculated sediments.
8. The purification device of heavy metal-containing wastewater as claimed in claim 6, wherein: horizontal concentrated extrusion mechanism includes horizontal cylinder (20), guide post (19), sealed guide pin bushing, push pedal and horizontal extrusion seat (21), horizontal cylinder level is fixed the open-ended one side of U type structure is kept away from to the positioning seat, horizontal cylinder's output stretches into in the positioning seat and be connected to the push pedal, the fixed being provided with in the push pedal is located horizontal cylinder both sides the guide post, be provided with the level on the positioning seat and extend sealed guide pin bushing, the guide post with sealed sliding fit between the sealed guide pin bushing, the fixed being provided with towards open-ended one side of push pedal horizontal extrusion seat, the extrusion end of horizontal extrusion seat is provided with the extrusion tooth of intensive arrangement.
9. The purification device of heavy metal-containing wastewater as claimed in claim 8, wherein: vertical concentrated extrusion mechanism includes vertical extrusion cylinder (22), vertical slide (23), vertical guide rail (24), wherein, vertical guide rail adopts the fixing base to fix on sediment receipt shell seat (16) inner wall, it is provided with to slide on the vertical guide rail vertical slide, the top of vertical slide is connected with vertical extrusion cylinder's output, vertical extrusion cylinder's cylinder body is fixed the upper portion position of the inner wall of sediment receipt shell seat (16), vertical slide's orientation one side of horizontal extrusion seat is provided with the fixing clip, the back of the vertical extension section of L type extrusion seat (27) is provided with connector card (28), the fixing clip with the connector card links firmly and connects, wherein, the horizontal extension section of L type extrusion seat (27) is for having the otter board structure of many meshs.
10. A sedimented pulp concentrating mechanism (16) for a purifying apparatus for wastewater with heavy metal, which is used for concentrating a flocculated precipitate after flocculation treatment of heavy metal wastewater with a microorganism, and is used for the purifying apparatus for wastewater with heavy metal according to any one of claims 1 to 7; which comprises a positioning seat (18), a horizontal concentration extrusion mechanism, a vertical concentration extrusion mechanism, a lower supporting filter screen film (17) and an L-shaped extrusion seat (27), wherein the horizontal cross section of the positioning seat (18) is of a U-shaped structure, the opening side of the U-shaped structure faces the grout outlet, the inner wall of the U-shaped structure opposite to the opening side is provided with the horizontal concentration extrusion mechanism, the upper part of the opening side of the U-shaped structure is provided with the vertical concentration extrusion mechanism, the lower part of the positioning seat is provided with the lower supporting filter screen film in a supporting way, the lower end surface of the lower supporting filter screen film is supported with a supporting net, the extrusion output end of the vertical concentration extrusion mechanism is connected with the L-shaped extrusion seat, the L-shaped extrusion seat can move up and down under the drive of the vertical concentration extrusion mechanism, and the L-shaped extrusion seat can be abutted against the upper end face of the lower support filter screen film when being positioned at the lowest position of the stroke; when the L-shaped extrusion seat is positioned at the uppermost position of the stroke, the space between the lower end surface of the L-shaped extrusion seat and the upper end surface of the lower supporting filter screen film can allow the extrusion end of the horizontal concentration extrusion mechanism to pass through so as to push the extruded mud out of the mud outlet by using the horizontal concentration extrusion mechanism; the horizontal concentration extrusion mechanism can be matched with the vertical concentration extrusion mechanism and the L-shaped extrusion seat (27) to realize the extrusion concentration of the flocculated sediment; and is
The horizontal concentration extrusion mechanism comprises a horizontal cylinder (20), a guide post (19), a sealing guide sleeve, a push plate and a horizontal extrusion seat (21), the horizontal cylinder is horizontally fixed on one side of the positioning seat, which is far away from an opening of the U-shaped structure, the output end of the horizontal cylinder extends into the positioning seat and is connected to the push plate, the guide posts on two sides of the horizontal cylinder are fixedly arranged on the push plate, the horizontally extending sealing guide sleeve is arranged on the positioning seat, the guide post and the sealing guide sleeve are in sealing sliding fit, the horizontal extrusion seat is fixedly arranged on one side of the push plate, which faces the opening, and extrusion teeth which are densely arranged are arranged at the extrusion end of the horizontal extrusion seat; and is
Vertical concentrated extrusion mechanism includes vertical extrusion cylinder (22), vertical slide (23), vertical guide rail (24), wherein, vertical guide rail adopts the fixing base to fix on sediment receipt shell seat (16) inner wall, it is provided with to slide on the vertical guide rail vertical slide, the top of vertical slide is connected with vertical extrusion cylinder's output, vertical extrusion cylinder's cylinder body is fixed the upper portion position of the inner wall of sediment receipt shell seat (16), vertical slide's orientation one side of horizontal extrusion seat is provided with the fixing clip, the back of the vertical extension section of L type extrusion seat (27) is provided with connector card (28), the fixing clip with the connector card links firmly and connects, wherein, the horizontal extension section of L type extrusion seat (27) is for having the otter board structure of many meshs.
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