CN116947222B - Heavy metal sewage purifying treatment equipment - Google Patents
Heavy metal sewage purifying treatment equipment Download PDFInfo
- Publication number
- CN116947222B CN116947222B CN202311219496.7A CN202311219496A CN116947222B CN 116947222 B CN116947222 B CN 116947222B CN 202311219496 A CN202311219496 A CN 202311219496A CN 116947222 B CN116947222 B CN 116947222B
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- dispersing
- sewage
- control valve
- throwing
- pipeline
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- 239000010865 sewage Substances 0.000 title claims abstract description 105
- 229910001385 heavy metal Inorganic materials 0.000 title claims abstract description 20
- 239000000126 substance Substances 0.000 claims abstract description 71
- 238000000746 purification Methods 0.000 claims abstract description 42
- 239000007788 liquid Substances 0.000 claims abstract description 40
- 230000001580 bacterial effect Effects 0.000 claims abstract description 22
- 238000009434 installation Methods 0.000 claims abstract description 9
- 239000006185 dispersion Substances 0.000 claims description 35
- 238000000605 extraction Methods 0.000 claims description 16
- 239000013049 sediment Substances 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims description 5
- 230000003111 delayed effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 27
- 241000894006 Bacteria Species 0.000 abstract description 4
- 239000002585 base Substances 0.000 description 73
- 230000000694 effects Effects 0.000 description 15
- 241000233866 Fungi Species 0.000 description 12
- 238000004090 dissolution Methods 0.000 description 6
- 230000000712 assembly Effects 0.000 description 5
- 238000000429 assembly Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 235000019738 Limestone Nutrition 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 3
- 239000006028 limestone Substances 0.000 description 3
- 238000010979 pH adjustment Methods 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 238000004062 sedimentation Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 241001148470 aerobic bacillus Species 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 238000009388 chemical precipitation Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 241001148471 unidentified anaerobic bacterium Species 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- 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
- C02F3/348—Biological treatment of water, waste water, or sewage characterised by the microorganisms used characterised by the way or the form in which the microorganisms are added or dosed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F21/00—Dissolving
- B01F21/10—Dissolving using driven stirrers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/116—Stirrers shaped as cylinders, balls or rollers
- B01F27/1161—Stirrers shaped as cylinders, balls or rollers having holes in the surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/116—Stirrers shaped as cylinders, balls or rollers
- B01F27/1163—Rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/85—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with two or more stirrers on separate shafts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/94—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with rotary cylinders or cones
- B01F27/941—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with rotary cylinders or cones being hollow, perforated or having special stirring elements thereon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/10—Maintenance of mixers
- B01F35/12—Maintenance of mixers using mechanical means
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/305—Treatment of water, waste water or sewage
-
- 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
Abstract
The invention provides heavy metal sewage purification treatment equipment which comprises a purification treatment tank, a main driving column, an installation bridge, a purification dispersing device, a first throwing device, a second throwing device and the like, wherein sewage containing heavy metal is discharged into the purification treatment tank, then acid-base balance substances are thrown into a clamping metering area through the first throwing device, the acid-base balance substances can be dissolved in the sewage of the purification treatment tank, the purification dispersing device is used for dispersing the pH value of the sewage, after the acid-base balance substances in the clamping metering area are dissolved, the pH value in the sewage is in a rated range at the moment, the growth condition of bacteria is met, and then auxiliary bacterial liquid is thrown into the purification treatment tank through the second throwing device, so that the auxiliary bacterial liquid is thrown into the sewage of the purification treatment tank. The invention can automatically put acid-base balance substances and bacterial liquid in sequence in the sewage treatment process, and improves the overall sewage treatment efficiency.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to heavy metal sewage purification treatment equipment.
Background
In the industries of electroplating, metallurgy and the like, a large amount of sewage containing heavy metal ions can be generated, and the sewage can be directly discharged to the environment after being purified.
The chemical precipitation method is one of common methods for treating heavy metal sewage, and can perform chemical reaction with metal ions in the sewage by adding a precipitation chemical reagent into the sewage to generate precipitation substances which are difficult to dissolve, so that the purification treatment of the sewage is realized; and auxiliary fungus can be added into the sewage in part of sewage treatment process, so that the effect of chemical reaction is improved, the sewage treatment time is shortened, and the sewage treatment quality is improved.
Most bacterial solutions have different application ranges on the acid-base degree of sewage, the PH of the sewage needs to be adjusted to be within a preset numerical range before the bacterial solutions are put in, and the traditional sewage treatment enterprises carry out multi-point sampling on the sewage after the acid-base balance substances are added in a rough way to carry out pH value detection so as to judge whether the sewage meets the condition of fungus growth; the traditional rough putting of acid-base balance substances requires to control the sewage in the sewage tank to flow fully so as to avoid dead angles of acid-base balance treatment, a certain time is required for mixing treatment, and a worker is difficult to observe the dissolution state of the acid-base balance substances directly; the mode of multiple-point PH detection can accurately learn the acid-base value of sewage, but for large-scale sewage treatment equipment, the sampling time is longer, a certain time is consumed, and meanwhile, the sewage treatment equipment cannot be automatically carried out among substance feeding, so that the time consumed by sewage treatment is further prolonged.
Disclosure of Invention
Aiming at the problems, the invention provides the heavy metal sewage purifying treatment equipment, which can automatically put acid-base balance substances and bacterial liquid in sequence in the sewage treatment process, and improves the overall sewage treatment efficiency.
In order to solve the problems, the invention adopts the following technical scheme:
a heavy metal sewage purification treatment device, comprising:
the central position of the inside of the purifying treatment tank is provided with a main driving column;
the installation bridge is arranged at the upper end of the purifying treatment tank and comprises a bridge main body, and a first end of the bridge main body is fixedly connected with the main driving column;
the purifying and dispersing device is arranged at the middle position of the bottom end of the mounting bridge and comprises a dispersing cylinder body, the surface of the dispersing cylinder body is provided with a plurality of dispersing holes, a dispersing driving shaft is fixedly connected to the axis of the dispersing cylinder body, a first clamping assembly is fixedly connected to the inner wall of the dispersing cylinder body, a second clamping assembly is sleeved on the outer wall of the dispersing driving shaft and comprises a second clamping baffle plate and a torsion elastic assembly, and a clamping metering area is formed between the first clamping assembly and the second clamping assembly;
the device further comprises a first throwing device and a second throwing device, wherein the acid-base balance substances are thrown into the clamping and metering area through the first throwing device, and after the acid-base balance substances in the clamping and metering area are dissolved, the auxiliary bacterial liquid is thrown into the purifying treatment tank through the second throwing device.
Preferably, the purifying and dispersing device further comprises a driving main body, the bottom end of the driving main body is rotatably provided with a first dispersing roller body and a second dispersing roller body, the first dispersing roller body and the second dispersing roller body are positioned on two sides of the dispersing cylinder body, and the first dispersing roller body, the dispersing cylinder body and the second dispersing roller body are sequentially arranged along the length direction of the bridge frame main body.
Preferably, the surface of the main driving column is fixedly connected with a dispersing blade through a first installation workpiece, the dispersing blade is positioned at the rear position of the purifying and dispersing device, a preset included angle is formed between the purifying and dispersing device and the bridge main body, and the bottom end surface of the dispersing blade is fixedly connected with a turbulent flow rod which is obliquely arranged towards the outer side.
Preferably, the first throwing device comprises a storage box arranged at the upper end of the bridge main body, a throwing pipe assembly is communicated with the bottom end of the storage box, the throwing pipe assembly comprises a first throwing pipeline and a second throwing pipeline, the second throwing pipeline is connected with the first throwing pipeline in a sliding mode, an electric telescopic assembly is arranged between the second throwing pipeline and the first throwing pipeline, the top end of the second clamping baffle is fixedly connected with a limiting plate, and the second clamping assembly is limited and captured by controlling the second throwing pipeline to extend outwards to be located on a moving path of the limiting plate.
Preferably, a position control valve is arranged between the second throwing pipeline and the inner wall of the first throwing pipeline, a limiting slope inclined towards the inner side is arranged on the outer wall of the second throwing pipeline, and a limiting roller matched with the limiting slope is fixedly connected to the side wall of the limiting plate, wherein the position control valve in the second throwing pipeline is controlled to be in an open state through the cooperation of the limiting roller and the limiting slope.
Preferably, the second delivery device comprises a storage tank and delivery nozzles, the storage tank is communicated with the delivery nozzles through a conveying pipeline, the delivery nozzles are arranged in two groups, and the two groups of delivery nozzles are respectively opposite to the outer wall of the dispersing cylinder.
Preferably, the conveying pipeline is internally connected with a control valve in series, and the side wall of the first clamping component is provided with a position control component for adjusting the control valve to be in an open state, wherein the control valve is in the open state after being delayed for a preset time after the position control component is extruded by the second clamping component.
Preferably, the control valve comprises a control valve body, a control valve core is arranged in the control valve body, a first conduction opening and a second conduction opening which are oppositely arranged are formed in the side wall of the control valve body, a through third conduction opening is formed in the side wall of the control valve core, a first control cavity is formed in the first side of the control valve core and is communicated with the position control assembly through the first control opening, a second control cavity is formed in the second side of the control valve core and is communicated with the liquid storage box through the second control opening, and a reset elastic element is arranged in the second control cavity.
Preferably, the device further comprises a negative pressure extraction device positioned at the bottom end, the negative pressure extraction device comprises a negative pressure suction plate fixedly connected with the main driving column, a negative pressure opening is formed in the side wall of the negative pressure suction plate, a negative pressure extraction pipeline is arranged in the main driving column in a hollow mode, and the negative pressure extraction pipeline is communicated with the negative pressure opening and used for discharging sediment substances at the bottom of the purifying treatment tank.
Preferably, an overflow tank is arranged at the edge of the top end of the purifying treatment tank, overflow teeth distributed in an annular mode are formed in the inner wall of the overflow tank, and a travelling unit opposite to the overflow tank is arranged at the second end of the bridge body.
The beneficial effects of the invention are as follows:
compared with the traditional method that acid-base balance substances are directly added into a sewage treatment tank in a rough way, the equipment inputs the acid-base balance substances into the purification dispersion device, can carry out centralized constraint treatment on the acid-base balance substances, can intuitively judge the dissolved state of the acid-base balance substances, can simultaneously carry out feeding of auxiliary bacteria liquid and other substances after the acid-base balance substances are completely dissolved, does not need to sample and detect sewage by the staff, shortens the detection flow and the sampling time, realizes automatic feeding of the acid-base balance substances and the auxiliary bacteria liquid in sequence, realizes automatic continuous treatment of the sewage, and greatly improves the sewage treatment efficiency; meanwhile, the dispersing cylinder body can automatically rotate, the mounting bridge frame can rotate around the main driving column in a directional manner, so that the rapid dissolution of acid-base balance substances can be accelerated, meanwhile, dead angles of acid-base balance are avoided, the consistency of the overall effect of acid-base adjustment of sewage in the purifying treatment pool is ensured, and the requirements of large-scale sewage treatment equipment are met.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic view of the cross-sectional structure of the line B-B of FIG. 2 in accordance with the present invention;
FIG. 4 is an enlarged schematic view of the structure of FIG. 1A according to the present invention;
FIG. 5 is an enlarged schematic view of the structure of FIG. 3 at C in accordance with the present invention;
FIG. 6 is a schematic perspective view of a purifying and dispersing apparatus according to the present invention;
FIG. 7 is a schematic diagram of the front view of FIG. 6 according to the present invention;
FIG. 8 is a schematic view of the sectional structure of the D-D line of FIG. 7 according to the present invention;
fig. 9 is a schematic view of the internal structure of the control valve of the present invention.
In the figure: 100. a purifying treatment pool; 110. an overflow pool; 200. installing a bridge; 210. a bridge body; 220. a first mounting assembly; 230. a walking unit; 300. negative pressure extraction means; 310. a negative pressure suction plate; 311. a negative pressure opening; 320. a second mounting assembly; 400. dispersing blades; 410. a spoiler bar; 500. a first delivery device; 510. a storage box; 520. a launch tube assembly; 521. a first launch conduit; 522. a second delivery conduit; 600. a second delivery device; 610. a storage tank; 620. a delivery conduit; 630. a delivery nozzle; 700. a purifying and dispersing device; 710. a dispersion cylinder; 711. dispersing holes; 720. a first dispersion roller; 730. a second dispersion roller body; 740. a driving body; 750. a dispersion drive shaft; 760. a second clamping assembly; 761. a second clamping baffle; 762. a torsion elastic component; 763. a limiting plate; 764. limiting idler wheels; 770. a first clamping assembly; 771. a position control assembly; 800. a main drive column; 900. a control valve; 910. a control valve body; 911. a first conduction opening; 912. a second conduction opening; 920. a control valve core; 921. a third conduction opening; 930. a first control chamber; 931. a first control opening; 940. a second control chamber; 941. a second control opening; 942. and resetting the elastic element.
Detailed Description
The invention will be further described with reference to the drawings and examples.
Referring to fig. 1-9, a heavy metal sewage purifying treatment device comprises a purifying treatment tank 100, a main driving column 800, an installation bridge 200, a purifying and dispersing device 700, a first throwing device 500, a second throwing device 600 and the like, wherein heavy metal-containing sewage is discharged into the purifying treatment tank 100, then acid-base balance substances are thrown into a clamping and metering area through the first throwing device 500, the acid-base balance substances can be dissolved in the sewage of the purifying treatment tank 100, and are dispersed through the purifying and dispersing device 700, the pH value of the sewage is adjusted, after the acid-base balance substances in the clamping and metering area are dissolved, the pH value in the sewage is in a rated range at the moment, the growth condition of fungus is met, then auxiliary fungus liquid is thrown into the sewage of the purifying treatment tank 100 through the second throwing device 600, the auxiliary fungus liquid is thrown into the sewage of the purifying treatment tank 100, the treatment efficiency of heavy metal and the like in the sewage can be accelerated, the sewage treatment time is shortened, and the sewage treatment effect is improved.
Wherein a main driving column 800 is arranged at the central position inside the purifying treatment tank 100, and an electric control device is arranged inside the purifying treatment tank 100 for controlling the main driving column 800 to rotate in a directional manner; the installation bridge 200 is arranged at the upper end of the purifying treatment tank 100 and comprises a bridge main body 210, and a first end of the bridge main body 210 is fixedly connected with a main driving column 800; guard rails are arranged on two sides of the bridge main body 210, and the surfaces of the guard rails can be used for workers to pass through to supplement and feed acid-base balance substances and bacteria liquid; the first end of the bridge main body 210 is detachably and fixedly connected with the top end of the main driving column 800 through the first mounting assembly 220, and the mounting bridge 200 above can be driven to integrally move to different positions in the rotation process of the main driving column 800 so as to perform acid-base balance and bacterial liquid throwing on sewage at different positions in the purifying treatment tank 100, so that the overall treatment effect of the sewage is improved, the centralized purifying treatment on large-area sewage is suitable, and the tonnage of single sewage treatment is improved.
The purification and dispersion device 700 is arranged at the middle position of the bottom end of the mounting bridge 200 and comprises a dispersion cylinder 710 with a plurality of dispersion holes 711 on the surface, a dispersion driving shaft 750 is fixedly connected at the axis of the dispersion cylinder 710, a first clamping assembly 770 is fixedly connected to the inner wall of the dispersion cylinder 710, a second clamping assembly 760 is sleeved on the outer wall of the dispersion driving shaft 750, the second clamping assembly 760 comprises a second clamping baffle 761 and a torsion elastic assembly 762, and a clamping metering area is formed between the first clamping assembly 770 and the second clamping assembly 760; the dispersing cylinder 710, the dispersing driving shaft 750, and the first clamping assembly 770 are relatively fixed, and in a normal state, the main body of the second clamping assembly 760 is clamped between the second clamping assembly 760 and the first clamping assembly 770 under the action of the torsion elastic assembly 762, and in a closed state, the area volume formed by the clamping metering area is the smallest; before the acid-base balance substances are put in, one part is fixed, and then the second clamping assembly 760 and the first clamping assembly 770 are opened under the action of elasticity, so that the space for clamping the metering area can be increased, and the acid-base balance substances are put in the preset area, so that the acid-base balance substances are stored; specifically, in the process of purifying and dispersing, the acid-base balance substance is continuously dissolved in the sewage, and under the action of elasticity, the space surrounded between the second clamping assembly 760 and the first clamping assembly 770 is continuously compressed until the state of the first clamping assembly and the second clamping assembly are recovered to the state of being attached to each other.
It should be noted that, the amount of the acid-base balance substances added is estimated in advance according to the volume of the sewage and the acid-base property, the substances are intensively thrown before the adjustment of the acid-base, the second clamping assembly 760 and the first clamping assembly 770 are in a bonding state after the acid-base balance substances in the clamping metering area are completely dissolved, the acid-base balance substances can be reversely pushed to be in a completely dissolved state at this time, and the acid-base of the sewage in the purifying treatment tank 100 is vertically in a preset range at this time, so that the method is suitable for the growth of fungus substances; therefore, the fungus substances can be put in without detecting the pH value of the sewage, and the time for overall sewage treatment is shortened; meanwhile, the dissolved acid-base balance substances can be dispersed to the outside by arranging the purification dispersion device 700, so that the acid-base quick balance of the sewage is accelerated; compared with the traditional method that acid-base balance substances are directly put into a sewage pool to adjust the pH value, the device is not only suitable for continuous acid-base balance treatment of sewage in a large range, but also meets the requirements of sewage treatment volume and treatment time; meanwhile, the PH balance state of the sewage can be reversely pushed according to the attaching state between the second clamping assembly 760 and the first clamping assembly 770, and the PH detection of the sewage is not needed, so that the sewage treatment time is further shortened.
To sum up, put in the acid-base balance material to the centre gripping metering area through first throwing device 500, treat the centre gripping metering area in the acid-base balance material dissolve the back, put in supplementary fungus liquid to purification treatment pond 100 through second throwing device 600, can calculate the acid-base balance degree of sewage according to the degree of dissolution of acid-base balance material, after the adjustment of sewage acid-base is accomplished, put in supplementary fungus liquid to its inside, can improve the treatment effect to the sewage in the purification treatment pond 100, improve overall treatment efficiency, greatly shortened sewage treatment time, the sewage quality after the simultaneous treatment satisfies the environmental protection requirement.
With particular reference to fig. 6-8; the purifying and dispersing device 700 further includes a driving main body 740, a first dispersing roller 720 and a second dispersing roller 730 are rotatably disposed at the bottom end of the driving main body 740, the first dispersing roller 720 and the second dispersing roller 730 are located at two sides of the dispersing cylinder 710, the first dispersing roller 720, the dispersing cylinder 710 and the second dispersing roller 730 are sequentially disposed along the length direction of the bridge main body 210, the first dispersing roller 720 and the second dispersing roller 730 are abutted against the surface of the dispersing cylinder 710, and in the rotating process of the first dispersing roller 720 and the second dispersing roller 730, on one hand, substances blocked on the surface of the dispersing holes 711 can be cleaned, the dispersing and dissolving process can be accelerated, meanwhile, the dissolved liquid can be dispersed to the outer side in the rotating process, so that the dissolved liquid can be effectively distributed in the whole purifying treatment tank 100, and the acid-base balance of sewage in the purifying treatment tank 100 can be accelerated.
Here, the first and second dispersion rollers 720 and 730 rotate in opposite directions to the dispersion cylinder 710, so that a reverse vortex of sewage is formed on the outside of the dispersion cylinder 710, and the cleaning effect of the clogging substances in the dispersion holes 711 is enhanced; meanwhile, under the tangential action, dissolved acid-base balance substances can be better dispersed towards the outer side, and the efficiency of acid-base balance of sewage in the purifying treatment tank 100 is further improved.
In order to further improve the dispersion effect of dissolved acid-base balance substances in different areas in the purifying treatment tank 100, and simultaneously improve the sedimentation effect on the sediment substances in the purifying treatment tank 100; the surface of the main driving column 800 is fixedly connected with a dispersing blade 400 through a first mounting workpiece, the dispersing blade 400 is positioned at the rear position of the purifying and dispersing device 700, a preset included angle is formed between the purifying and dispersing device 700 and the bridge main body 210, the surface of the bottom end of the dispersing blade 400 is fixedly connected with a spoiler 410 which is obliquely arranged towards the outer side, and the spoiler 410 takes the purifying and dispersing device 700 as the center and is obliquely arranged towards the inner side or the outer side according to different directions, so that the effect of diversion and dispersion can be achieved; the dispersing blades 400 are located at the rear position of the purifying and dispersing device 700, and both rotate anticlockwise along the axis of the purifying and treating pond 100 (refer to fig. 2), and the dispersing blades 400 are constantly located at the rear of the purifying and dispersing device 700, so that acid-base balance substances dispersed for the first time by the purifying and dispersing device 700 can be dispersed again, and liquid at the middle position can be dispersed towards two sides, so that the overall acid-base balance in the purifying and treating pond 100 is accelerated, and the PH environment suitable for fungus growth is met.
Meanwhile, the dispersing blade 400 is positioned at a position close to the upper end of the purifying treatment tank 100, the surface of the dispersing blade is inclined, in the acid-base balance process, limestone is added into acid-washing sewage containing heavy metal ions for example, the limestone can neutralize the acid after being dissolved and react to generate indissolvable calcium hydroxide precipitate, and related precipitate substances can contact with the clean surface of the dispersing blade 400 and rebound towards the bottom of the purifying treatment tank 100, so that the accelerated sedimentation process of the precipitate substances in the purifying treatment tank 100 is realized; the two dispersing blades 400 can be symmetrically arranged, so that not only the mass on two sides can be balanced, but also the area of rebound precipitation substances can be increased, and the sedimentation effect of the rebound precipitation substances can be enhanced.
With specific reference to fig. 4 and 5; the first delivery device 500 includes a storage box 510 disposed at the upper end of the bridge main body 210, and delivery pipe assemblies 520 are communicated at the bottom end of the storage box 510, where the number of the delivery pipe assemblies 520 is consistent with the number of the clamping metering areas, and two groups of delivery pipe assemblies can be selected; the delivery pipe assembly 520 comprises a first delivery pipe 521 and a second delivery pipe 522, the second delivery pipe 522 is slidably connected with the first delivery pipe 521, and an electric telescopic assembly is arranged between the second delivery pipe 522 and the first delivery pipe 521, so that an electric control telescopic rod can be selected to control the tail end of the electric control telescopic rod to stretch; the top end of the second clamping baffle 761 is fixedly connected with a limiting plate 763, wherein the second clamping assembly 760 is limited and captured by controlling the second delivery pipeline 522 to extend outwards to be located on the moving path of the limiting plate 763, acid-base balance substances to be delivered are placed in the storage box 510 for storage, before the second clamping assembly is required to be delivered, the second delivery pipeline 522 at the tail end of the electric telescopic assembly is controlled to extend out, the extended second delivery pipeline 522 is located on the moving path of the limiting plate 763 and can be limited and blocked, after the limiting plate 763 is limited, the position of the second clamping assembly 760 is relatively unchanged, a clamping metering area formed between the first clamping assembly 770 and the second clamping assembly 760 is gradually increased in the process of continuously rotating the dispersing cylinder 710, and the delivery pipe assembly 520 is located at the upper position of the clamping metering area, after the clamping metering area is opened to a preset size, the acid-base balance substances stored in the storage box 510 are delivered into the clamping metering area, and the acid-base balance substances are delivered.
Through the design of the device, the second clamping assembly 760 can be selectively limited and captured in the rotating process of the dispersing cylinder 710, and then the range of the clamping metering area can be adjusted in the rotating process of the dispersing cylinder 710 so as to carry out adaptive adjustment according to the quantity of the acid-base balance substances; the automatic opening and throwing process can be realized, manual adjustment is not needed, and the throwing efficiency and the throwing effect of acid-base balance substances are improved.
At the initial stage of limiting the second clamping assembly 760 by the second delivery pipeline 522, at this time, the opening angle between the second clamping assembly 760 and the first clamping assembly 770 is smaller, at this time, the delivered acid-base balance substances cannot be accurately delivered into the clamping metering area, when the opened preset area of the clamping metering area is larger than the delivery area of the bottom end of the second delivery pipeline 522, the interior of the delivery pipe assembly 520 is controlled to be opened at this time, so that the acid-base balance substances are discharged, and in order to realize an automatic discharging process after the preset size of the clamping metering area is opened, the overall automatic delivery efficiency is improved; a position control valve is arranged between the second throwing pipeline 522 and the inner wall of the first throwing pipeline 521, the outer wall of the second throwing pipeline 522 is provided with a limiting slope inclined towards the inner side, the side wall of the limiting plate 763 is fixedly connected with a limiting roller 764 matched with the limiting slope, the position control valve in the second throwing pipeline 522 is controlled to be in an open state through the matching of the limiting roller 764 and the limiting slope, the second throwing pipeline 522 and the first throwing pipeline 521 are in a rated position under the elastic action, along with the increase of the opening area of a clamping metering area, the pressure born by the limiting plate 763, the limiting roller 764 and the second throwing pipeline 522 is gradually increased, after the opening area of the clamping metering area exceeds the throwing area at the bottom end of the second throwing pipeline 522, the pressure between the limiting plate 763 and the second throwing pipeline 522 exceeds a set threshold value, under the action of the limiting roller 764 and the limiting slope of the second throwing pipeline 522, the elastic action in the vertical direction of the second throwing pipeline 522 can be overcome, the second throwing pipeline 522 is enabled to continuously move towards the bottom end direction, the automatic throwing of the position control valve in the second throwing pipeline 522 is further, the automatic throwing of the sewage is realized, the acid-alkali treatment efficiency is improved, and the material throwing time is shortened.
The second delivering device 600 includes a storage tank 610 and delivering nozzles 630, the storage tank 610 and the delivering nozzles 630 are in a communication state through a conveying pipeline 620, the delivering nozzles 630 are arranged in two groups, the two groups of delivering nozzles 630 are respectively opposite to the outer wall of the dispersing cylinder 710, auxiliary bacterial liquid for assisting sewage treatment is stored in the storage tank 610, and the delivering is performed after the acid-base balance in the purifying treatment tank 100 is completed; the bacterial liquid is put into the outer side of the dispersing cylinder 710 from the putting nozzles 630 on both sides, and the dispersing cylinder 710, the first dispersing roller 720 and the second dispersing roller 730 on both sides can accelerate the dispersing speed of the bacterial liquid in the rotating process, so as to ensure the dispersing effect of the bacterial liquid in the purifying treatment tank 100; meanwhile, the assemblies such as the rear dispersing blade 400 can also re-disperse the bacterial liquid, so that the dispersing effect of the bacterial liquid is further improved.
In order to automatically throw in auxiliary bacterial liquid after the acid-base balance of the sewage in the purifying treatment tank 100, namely after the acid-base balance substances in the purifying and dispersing device 700 are dissolved; the control valve 900 is connected in series in the conveying pipeline 620, the side wall of the first clamping assembly 770 is provided with the position control assembly 771 for adjusting the control valve 900 to be in an open state, wherein after the position control assembly 771 is extruded by the second clamping assembly 760, the control valve 900 is in the open state after being delayed for a preset time, after acid-base balance substances in the purification and dispersion device 700 are completely dissolved, at the moment, the first clamping assembly 770 and the second clamping assembly 760 are in a bonding state under the action of the torsion spring, the two clamping assemblies can mutually extrude the position control assembly 771 to compress and tightly, further an open signal is provided for the control valve 900, the automatic control of opening and closing of the control valve 900 is realized, the automatic delay opening of the valve is realized, the delay opening of the valve is set, and the preset dissolving time can be reserved for the acid-base balance substances input in the purification treatment tank 100, so that the pH value of sewage in the purification treatment tank 100 meets the requirement of fungus growth is ensured.
The dissolution state of the acid-base balance substances can be reversely pushed through the attachment state of the first clamping assembly 770 and the second clamping assembly 760, the PH value range of sewage is judged, visual control can be carried out in the sewage treatment process, the PH adjustment can be directly judged through the PH adjustment process of the device when the acid-base balance substances are widely put into the traditional technology, meanwhile, the purification and dispersion device 700 can continuously move in the purification treatment tank 100, the acid-base balance substances are continuously and fully dissolved, no acid-base balance dead angle exists in the purification treatment tank 100, and the integral treatment effect of the sewage in the purification treatment tank 100 is ensured.
With specific reference to fig. 9, a preferred control scheme; the control valve 900 includes a control valve body 910, a control valve core 920 is disposed inside the control valve body 910, a first conduction opening 911 and a second conduction opening 912 are formed on a side wall of the control valve body 910, and a third conduction opening 921 is formed on a side wall of the control valve core 920, where the first conduction opening 911 and the second conduction opening 912 are connected in series in a pipeline of the conveying pipeline 620, so that flow control of bacterial liquid can be implemented, and meanwhile, the control valve core 920 is adjusted to be in different positions, so that the third conduction opening 921, the first conduction opening 911 and the second conduction opening 912 are in a staggered or overlapped state, so that opening and closing control of the pipeline can be implemented, and further, a control process of bacterial liquid throwing can be implemented; simultaneously, a first control chamber 930 is formed on a first side of the control valve core 920, the first control chamber 930 is communicated with the position control assembly 771 through a first control opening 931, a second control chamber 940 is formed on a second side of the control valve core 920, the second control chamber 940 is communicated with a liquid storage box through a second control opening 941, and a reset elastic element 942 is arranged in the second control chamber 940; under the action of the reset elastic element 942, the position control assembly 771 can push the control valve element 920 to move towards the first control chamber 930 under the condition that the position control assembly 771 is not pressed, so that the third through opening 921 is in a staggered state with the first through opening 911 and the second through opening 912; meanwhile, the position control component 771 can select an elastic hydraulic component, such as a hydraulic rod or an elastic liquid bag with a protective sleeve, and pump the internal control liquid into the first control chamber 930 under the extrusion state of the first clamping component 770 and the second clamping component 760 so as to push the control valve core 920 to move towards the second control chamber 940 against the elastic action, and after the control valve core 920 moves for a preset time, the positions of the third through openings 921 correspond to the positions of the first through openings 911 and the second through openings 912 on the two sides, so that the opening control of the pipeline is realized; meanwhile, in order to delay the moving speed of the control valve element 920, delay liquid can be arranged in the second control chamber 940, after the control valve element 920 moves towards the second control chamber 940, the liquid in the second control chamber is extruded into the liquid storage box through the second control opening 941 to be collected in a concentrated manner, an opening valve can be arranged in the second control opening 941 to adjust the flowing resistance of the liquid, the opening of the control valve element 920 can be adjusted, and the adjustment requirements of various substances can be met by performing adaptive control according to different delay time.
In order to rapidly discharge the sediment at the bottom of the purifying treatment tank 100, the device further comprises a negative pressure extraction device 300 positioned at the bottom, the negative pressure extraction device 300 comprises a negative pressure suction plate 310 fixedly connected with the main driving column 800, the negative pressure suction plate 310 is detachably and fixedly connected with the main driving column 800 through a second mounting component 320, a negative pressure opening 311 is formed in the side wall of the negative pressure suction plate 310, a negative pressure extraction pipeline is arranged in the main driving column 800 and is connected with the negative pressure opening 311 for commonly discharging the sediment at the bottom of the purifying treatment tank 100, the negative pressure suction plate 310 can synchronously rotate along with the main driving column 800, when the sediment at the bottom of the purifying treatment tank 100 is accumulated more, the negative pressure extraction device can be started at the moment, the sediment at the bottom of the purifying treatment tank 100 is intensively extracted and discharged through the negative pressure opening 311 of the negative pressure suction plate 310, so that the rapid discharge of the sediment is realized, the efficiency of the whole sewage treatment device is improved, and the rapid discharge requirement of the sediment of the large sewage treatment device is met; the negative pressure extraction device 300 is designed symmetrically, and one side of the negative pressure opening 311 is positioned at the front position of the rotating movement, so that the negative pressure opening can be rapidly discharged towards the sediment.
The overflow tank 110 is arranged at the edge of the top end of the purifying treatment tank 100, the inner wall of the overflow tank 110 is provided with annular overflow teeth, the second end of the bridge frame main body 210 is provided with the traveling unit 230 opposite to the overflow tank 110, clear liquid overflowed from the top can be discharged by arranging the overflow tank 110, and meanwhile, the outer side of the installation bridge frame 200 can be supported by arranging the traveling unit 230, so that the stability of the rotation of the installation bridge frame 200 around the main driving column 800 is ensured.
The sewage treatment process matched with the sewage purification treatment equipment comprises the following steps:
s1, discharging sewage containing heavy metals into the purifying treatment tank 100, and adding an adaptive acid-base balance substance into the purifying dispersion device 700 according to the tonnage and the PH value of the sewage after the sewage is discharged, so as to meet the requirement of sewage PH adjustment.
S2, the purification and dispersion device 700 rotates around the axis of the main driving column 800 in the rotating process, acid-base balance substances in the purification and dispersion device 700 are continuously dissolved in the rotating process of the purification and dispersion device 700 to different positions, acid-base balance can be carried out on sewage at each position in the purification treatment tank 100, and after the acid-base substances in the purification and dispersion device 700 are completely dissolved, the PH value of the sewage in the purification treatment tank 100 meets the growth requirement of auxiliary fungus at the moment. The acid-base balance substance can select substances such as sodium bicarbonate, limestone and the like according to the acid-base property of the sewage; meanwhile, the bacterial liquid can select corresponding aerobic bacteria, anaerobic bacteria and the like according to the specific sewage type; meanwhile, a crushing device can be selectively installed in the purifying and dispersing device 700 to improve the dissolution rate of the acid-base balance substances with high corresponding hardness and low dissolution rate.
S3, after the acid-base balance substances in the dispersing device 700 to be purified are completely dissolved for a preset time, auxiliary bacterial liquid is added into the purifying treatment tank 100 through the second throwing device 600, and meanwhile, the dispersing device 700 rotates synchronously, so that the bacterial liquid can be dispersed, the overall dispersing effect is improved, and the sewage treatment time is accelerated through the bacterial liquid.
S4, after the preset time, the negative pressure extraction device 300 is controlled to directionally move, so that the sediment at the bottom of the purification treatment tank 100 can be continuously discharged in a negative pressure extraction mode, and the treatment requirement of the sludge of the large sewage treatment equipment is met.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (6)
1. A heavy metal sewage purification treatment apparatus, characterized by comprising:
a main driving column (800) is arranged at the central position inside the purifying treatment tank (100);
the installation bridge (200) is arranged at the upper end of the purifying treatment tank (100) and comprises a bridge main body (210), wherein the first end of the bridge main body (210) is fixedly connected with the main driving column (800);
the purifying and dispersing device (700) is arranged at the middle position of the bottom end of the mounting bridge (200), and comprises a dispersing cylinder body (710) with a plurality of dispersing holes (711) on the surface, a dispersing driving shaft (750) is fixedly connected to the axis of the dispersing cylinder body (710), a first clamping assembly (770) is fixedly connected to the inner wall of the dispersing cylinder body (710), a second clamping assembly (760) is sleeved on the outer wall of the dispersing driving shaft (750), the second clamping assembly (760) comprises a second clamping baffle (761) and a torsion elastic assembly (762), and a clamping metering area is formed between the first clamping assembly (770) and the second clamping assembly (760);
the device also comprises a first throwing device (500) and a second throwing device (600), wherein the acid-base balance substance is thrown into the clamping and metering area through the first throwing device (500), and after the acid-base balance substance in the clamping and metering area is dissolved, the auxiliary bacterial liquid is thrown into the purifying treatment tank (100) through the second throwing device (600);
the first throwing device (500) comprises a storage box (510) arranged at the upper end of the bridge main body (210), a throwing pipe assembly (520) is communicated with the bottom end of the storage box (510), the throwing pipe assembly (520) comprises a first throwing pipeline (521) and a second throwing pipeline (522), the second throwing pipeline (522) is in sliding connection with the first throwing pipeline (521) and is provided with an electric telescopic assembly therebetween, the top end of the second clamping baffle (761) is fixedly connected with a limiting plate (763), and the second clamping assembly (760) is limited and captured by controlling the second throwing pipeline (522) to extend outwards to be positioned on a moving path of the limiting plate (763);
a position control valve is arranged between the second delivery pipeline (522) and the inner wall of the first delivery pipeline (521), a limiting slope surface inclining towards the inner side is arranged on the outer wall of the second delivery pipeline (522), a limiting roller (764) matched with the limiting slope surface is fixedly connected to the side wall of the limiting plate (763), and the position control valve in the second delivery pipeline (522) is controlled to be in an open state through the cooperation of the limiting roller (764) and the limiting slope surface;
the second delivery device (600) comprises a storage tank (610) and delivery nozzles (630), wherein the storage tank (610) is communicated with the delivery nozzles (630) through a conveying pipeline (620), the delivery nozzles (630) are arranged in two groups, and the two groups of delivery nozzles (630) are respectively opposite to the outer wall of the dispersing cylinder (710);
the control valve (900) is connected in series in the conveying pipeline (620), a position control assembly (771) for adjusting the control valve (900) to be in an open state is arranged on the side wall of the first clamping assembly (770), and the control valve (900) is in an open state after being delayed for a preset time after the position control assembly (771) is extruded by the second clamping assembly (760).
2. The heavy metal sewage purification treatment device according to claim 1, wherein the purification dispersion device (700) further comprises a driving main body (740), a first dispersion roller body (720) and a second dispersion roller body (730) are rotatably arranged at the bottom end of the driving main body (740), the first dispersion roller body (720) and the second dispersion roller body (730) are located at two sides of the dispersion roller body (710), and the first dispersion roller body (720), the dispersion roller body (710) and the second dispersion roller body (730) are sequentially arranged along the length direction of the bridge frame main body (210).
3. The heavy metal sewage purification treatment device according to claim 2, wherein the surface of the main driving column (800) is fixedly connected with a dispersing blade (400) through a first installation workpiece, the dispersing blade (400) is positioned at the rear position of the purification dispersing device (700), a preset included angle is formed between the purification dispersing device (700) and the bridge main body (210), and a turbulent flow rod (410) which is obliquely arranged towards the outer side is fixedly connected to the bottom end surface of the dispersing blade (400).
4. The heavy metal sewage purification treatment device according to claim 1, wherein the control valve (900) comprises a control valve body (910), a control valve core (920) is arranged inside the control valve body (910), a first conduction opening (911) and a second conduction opening (912) which are oppositely arranged are formed in the side wall of the control valve body (910), a third through opening (921) is formed in the side wall of the control valve core (920), a first control chamber (930) is formed on the first side of the control valve core (920), the first control chamber (930) is communicated with a position control assembly (771) through a first control opening (931), a second control chamber (940) is formed on the second side of the control valve core (920), a liquid storage box is communicated with the second control chamber (940) through a second control opening (941), and a reset elastic element (942) is arranged in the second control chamber (940).
5. The heavy metal sewage purification treatment device according to claim 1, further comprising a negative pressure extraction device (300) positioned at the bottom end, wherein the negative pressure extraction device (300) comprises a negative pressure suction plate (310) fixedly connected with the main driving column (800), a negative pressure opening (311) is formed in the side wall of the negative pressure suction plate (310), a negative pressure extraction pipeline is arranged in the main driving column (800) in a hollow mode, and the negative pressure extraction pipeline is communicated with the negative pressure opening (311) and used for discharging sediment substances at the bottom of the purification treatment tank (100).
6. The heavy metal sewage purification treatment device according to any one of claims 1 to 5, wherein an overflow tank (110) is arranged at the edge of the top end of the purification treatment tank (100), annular overflow teeth are formed on the inner wall of the overflow tank (110), and a traveling unit (230) opposite to the overflow tank (110) is arranged at the second end of the bridge main body (210).
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