CN211035366U - Treatment system for removing heavy metals in wastewater - Google Patents
Treatment system for removing heavy metals in wastewater Download PDFInfo
- Publication number
- CN211035366U CN211035366U CN201921996229.XU CN201921996229U CN211035366U CN 211035366 U CN211035366 U CN 211035366U CN 201921996229 U CN201921996229 U CN 201921996229U CN 211035366 U CN211035366 U CN 211035366U
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- wastewater
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- barrel
- coagulation reaction
- heavy metals
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- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Removal Of Specific Substances (AREA)
Abstract
The utility model relates to a get rid of processing system of heavy metal in waste water, first wastewater disposal basin advances union coupling to coagulation reaction unit through the waste water of taking the waste water delivery pump, the medicament bucket is connected to coagulation reaction unit through adding the medicine pump, coagulation reaction unit bottom subsides through the flushing pipe transport connection who takes the flushometer to fold the spiral shell machine, fold the first wastewater disposal basin of spiral shell machine water outgoing junction, arrange the solid useless collecting box of sediment connection, it is connected to the second wastewater disposal basin through waste water exit tube to go out liquid on coagulation reaction unit upper portion, the second wastewater disposal basin is through the external emission of waste water discharge pump, it is first, two wastewater disposal basins, the waste gas pipe is connect at coagulation reactor top, set up the suction hood on the waste gas pipe, the external waste gas scrubbing tower. It can effectively give consideration to the treatment work period, precipitation and discharge effects.
Description
Technical Field
The utility model relates to a wastewater treatment system, a processing system who gets rid of heavy metal in waste water specifically says so.
Background
Heavy metal wastewater is one of industrial wastewater which has the most serious environmental pollution and the most serious harm to human beings, and the heavy metals in the wastewater can not be decomposed and destroyed generally, and only can be transferred to the existing positions and converted into the physical and chemical forms. In the prior art, physical and chemical precipitation methods are generally adopted and are directly discharged after mechanical filtration, wherein the chemical precipitation method can basically reduce the concentration of heavy metals in the wastewater to the national discharge requirement, however, in the actual operation process, chemical components brought by the discharged water still have great hidden pollution danger, secondary wastewater treatment is needed, and time and cost are high; the physical precipitation needs a flocculation process, and if the heavy metal hydroxide flocs are small and do not have enough precipitation time, the flocs can enter the subsequent process along with the supernatant, so that the treatment time and the precipitation time cannot be considered, the heavy metal content in the effluent exceeds the discharge requirement, and great pollution hidden trouble also exists.
Disclosure of Invention
To the above-mentioned problem of prior art, the utility model provides a can effectively compromise the processing operation cycle, deposit and discharge the effect get rid of the processing system of heavy metal in the waste water.
The utility model adopts the technical proposal that: the utility model provides a get rid of processing system of heavy metal in waste water which characterized in that: the device comprises a first wastewater pool, a wastewater delivery pump, a medicament barrel, a dosing pump, a coagulation reaction device, a second wastewater pool, a wastewater discharge pump, a screw stacking machine, a solid waste collecting box, an air suction hood and a wastewater washing tower, wherein the first wastewater pool is connected to the coagulation reaction device through a wastewater inlet pipe with the wastewater delivery pump, the medicament barrel is connected to the coagulation reaction device through the dosing pump, the bottom of the coagulation reaction device is settled and is connected to the screw stacking machine through a flushing pipe with a flushing valve, the water outlet of the screw stacking machine is connected with the first wastewater pool, the slag discharge is connected with the solid waste collecting box, the upper liquid outlet of the coagulation reaction device is connected to the second wastewater pool through a wastewater outlet pipe, the second wastewater pool is externally discharged through the wastewater discharge pump, the first and second wastewater pools, the top of the coagulation reactor is connected with a waste gas pipe, the air suction hood is arranged on the waste gas pipe.
Furthermore, the coagulation reaction device comprises a barrel body, an isolation barrel, a wastewater inlet pipe, a grating and a stirrer, wherein the lower part of the barrel body is provided with an inverted cone settling barrel, the lower opening of the inverted cone settling barrel is connected with a washing pipe, one or more layers of gratings are arranged in the upper part of the barrel body, the isolation barrel is fixedly connected on the grating in a penetrating manner, the bottom opening of the isolation barrel is lower than the lowest layer of grating, the wastewater inlet pipe penetrates through the barrel body to be connected into the isolation barrel to be connected with a water inlet distributor, the stirrer is connected in the isolation barrel in a penetrating manner, blades of the stirrer are lower than the water inlet distributor and higher than the bottom opening of the isolation barrel, and the side wall of.
Furthermore, the water inlet distributor is a closed ring pipe, and the bottom of the closed ring pipe is provided with water spraying ports which form an angle of 45-60 degrees with the horizontal direction and face the inner side and/or the outer side.
Further, the barrel and the isolation barrel are coaxial.
Furthermore, the stirrer comprises a stirring shaft and more than two groups of blades, the stirring shaft is provided with more than two groups of blades up and down, and the two groups of blades which are adjacent up and down are staggered in the vertical direction.
Further, the grid adopts a double-layer design.
Further, the inner wall of the cylinder body is provided with a circle of overflow ring groove higher than the wastewater inlet pipe, and the overflow ring groove is externally connected with a wastewater outlet pipe.
Further, the cylinder body, the isolation cylinder, the wastewater inlet pipe, the grating and the stirrer are made of stainless steel materials.
Further, the medicament barrel is connected to a wastewater inlet pipe between the wastewater delivery pump and the coagulation reaction device through a medicament feeding pump.
Furthermore, the second wastewater pond is externally connected with a wastewater sampling port and a wastewater treatment station through a wastewater discharge pump.
The first wastewater pond collects wastewater generated by each device, the wastewater is sent into a coagulation reaction device through a wastewater inlet pipe, the wastewater is sprayed into an isolation cylinder downwards through a water spray opening of a closed ring pipe of a water inlet distributor in the coagulation reaction device, a plurality of groups of blades staggered in the vertical direction of a stirrer are used for stirring the wastewater in the isolation cylinder, a flocculating agent is conveyed into the isolation cylinder through a medicament feeding pump through a medicament barrel, flocculation reaction is carried out on the wastewater, heavy metals form flocculating particles and enter an inverted cone-shaped settling cylinder for settling, the flocculating particles of the heavy metals with smaller flocs are isolated by a plurality of layers of grids above a lower opening of the isolation cylinder, supernatant is filtered by the plurality of layers of grids and overflows into an overflow ring groove, and then the supernatant is discharged through a wastewater outlet pipe; heavy metal with smaller floc is continuously flocculated into large particles on the grid and falls into the inverted cone-shaped sedimentation cylinder along with flocculation vibration of the isolation cylinder on the grid, and the heavy metal flocculation particles are connected with a washing pipe at the lower opening of the inverted cone-shaped sedimentation cylinder and washed to the spiral shell stacking machine; after the sediment washed to the spiral shell stacking machine is subjected to filter pressing, the residue is sent to a solid waste collection box, and filter pressing water returns to the first wastewater pool; the wastewater discharged by the wastewater outlet pipe is sent into a second wastewater tank, and is externally connected with a wastewater sampling port and a wastewater treatment station through a wastewater discharge pump, so that the respective sampling detection and discharge treatment are controlled, and the wastewater treatment effect is favorably improved; the first waste water tank, the second waste water tank and the coagulation reactor are connected with a waste gas pipe, and the air suction hood sucks and volatilizes waste gas and sends the volatilized waste gas to the waste gas washing tower for waste gas treatment, so that the waste gas emission is further reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
Fig. 2 is a schematic structural diagram of the coagulation reactor of the present invention.
In the figure: the device comprises a first wastewater pool 1, a wastewater delivery pump 2, a wastewater inlet pipe 3, a medicament barrel 4, a dosing pump 5, a coagulation reaction device 6, a barrel body 61, a water inlet distributor 62, an isolation barrel 63, a stirrer 64, blades 65, a grid 66, an overflow ring groove 67, an inverted cone-shaped settling barrel 68, a flushing pipe 7, a flushing valve 8, a screw lamination machine 9, a solid waste collection box 10, a wastewater outlet pipe 11, a second wastewater pool 12, a wastewater discharge pump 13, a wastewater sampling port 14, a wastewater treatment station 15, a waste gas pipe 16, an air draft hood 17 and a waste gas washing tower 18.
Detailed Description
The following further description is made in conjunction with the accompanying drawings and examples.
Shown in FIGS. 1 and 2: a treatment system for removing heavy metals in wastewater: the device comprises a first wastewater pool 1, a wastewater delivery pump 2, a wastewater inlet pipe 3, a medicament barrel 4, a medicament feeding pump 5, a coagulation reaction device 6, a flushing pipe 7, a flushing valve 8, a screw stacking machine 9, a solid waste collecting box 10, a wastewater outlet pipe 11, a second wastewater pool 12, a wastewater discharge pump 13, a wastewater sampling port 14, a wastewater treatment station 15, a waste gas pipe 16, an air suction hood 17 and a wastewater washing tower 18. A first wastewater pool 1 is connected to a coagulation reaction device 6 through a wastewater inlet pipe 3 with a wastewater delivery pump 2, a medicament barrel 4 is connected to the wastewater inlet pipe 3 through a medicament feeding pump 5, the bottom of the coagulation reaction device is settled and is connected to a screw stacking machine 9 through a flushing pipe 7 with a flushing valve 8 in a conveying manner, the screw stacking machine 9 is connected with the first wastewater pool 1 in a water outlet manner, slag is discharged and is connected with a solid waste collecting box 10, the upper liquid of the coagulation reaction device is connected to a second wastewater pool 12 through a wastewater outlet pipe 11, the second wastewater pool is externally connected with a wastewater sampling port 14 and a wastewater treatment station 15 through a wastewater discharge pump 13, the top of the first wastewater pool, the top of the second wastewater pool and the coagulation reactor is connected with a waste gas pipe 16, an air draft hood 17 is arranged on the waste gas. As shown in FIG. 2, the coagulation reaction device 6 comprises a cylinder body 61, a water inlet distributor 62, an isolation cylinder 63, a stirrer 64, blades 65, a grid 66, an overflow ring groove 67 and an inverted cone-shaped settling cylinder 68, the lower part of the cylinder body 61 is provided with an inverted cone settling cylinder 68, the lower opening of the inverted cone settling cylinder is connected with a washing pipe, the upper part of the cylinder body is internally provided with one or more layers of grids 66, the grids are fixedly connected with an isolating cylinder 63 in a penetrating way, the bottom opening of the isolating cylinder is lower than the lowest grid, the wastewater inlet pipe 3 is connected into the isolating cylinder 63 through the cylinder body 61 and is connected with a water inlet distributor 62, the isolating cylinder is internally connected with a stirrer 64 in a penetrating way, more than two groups of blades 65 are vertically arranged on a stirring shaft of the stirrer, the two groups of blades which are vertically staggered are vertically lower and upper adjacent, are lower than the water inlet distributor and higher than the bottom opening of the isolating cylinder, the side wall of the cylinder body on the upper part of the wastewater inlet pipe.
In the above embodiment, the water inlet distributor is designed as a closed ring pipe, and the bottom of the closed ring pipe is provided with water spraying ports facing inwards and/or outwards at an angle of 45-60 degrees with the horizontal plane.
In the above embodiments, the cylinder body and the isolation cylinder may be designed coaxially.
In the above embodiment, the cylinder, the isolation cylinder, the wastewater inlet pipe, the grating and the stirrer can be made of stainless steel materials.
Claims (10)
1. The utility model provides a get rid of processing system of heavy metal in waste water which characterized in that: the device comprises a first wastewater pool, a wastewater delivery pump, a medicament barrel, a dosing pump, a coagulation reaction device, a second wastewater pool, a wastewater discharge pump, a screw stacking machine, a solid waste collecting box, an air suction hood and a wastewater washing tower, wherein the first wastewater pool is connected to the coagulation reaction device through a wastewater inlet pipe with the wastewater delivery pump, the medicament barrel is connected to the coagulation reaction device through the dosing pump, the bottom of the coagulation reaction device is settled and is connected to the screw stacking machine through a flushing pipe with a flushing valve, the water outlet of the screw stacking machine is connected with the first wastewater pool, the slag discharge is connected with the solid waste collecting box, the upper liquid outlet of the coagulation reaction device is connected to the second wastewater pool through a wastewater outlet pipe, the second wastewater pool is externally discharged through the wastewater discharge pump, the first and second wastewater pools, the top of the coagulation reactor is connected with a waste gas pipe, the air suction hood is arranged on the waste gas pipe.
2. The treatment system for removing heavy metals in wastewater according to claim 1, wherein: coagulation reaction unit includes the barrel, keep apart a section of thick bamboo, waste water advances the pipe, the grid, the agitator, the barrel lower part sets up the back taper and subsides a section of thick bamboo, the back taper subsides a lower clutch and connects the washing pipe, establish one deck or multilayer grid in the barrel upper portion, fixed cross-under isolation section of thick bamboo on the grid, keep apart bobbin base opening and be less than the lower one deck grid, waste water advances the pipe and passes the barrel and connect into water distributor in the isolation section of thick bamboo, cross-under agitator in the isolation section of thick bamboo, the blade of agitator is less than into water distributor, be higher than isolation bobbin base opening, waste water advances the barrel lateral wall on tub upper portion and connects the waste.
3. The treatment system for removing heavy metals in wastewater according to claim 2, wherein: the water inlet distributor is a closed ring pipe, and the bottom of the closed ring pipe is provided with water spraying ports facing the inner side and/or the outer side at an angle of 45-60 degrees with the horizontal plane.
4. The treatment system for removing heavy metals in wastewater according to claim 2, wherein: the barrel and the isolation barrel are coaxial.
5. The treatment system for removing heavy metals in wastewater according to claim 2, wherein: the stirrer comprises a stirring shaft and more than two groups of blades, wherein the stirring shaft is provided with more than two groups of blades up and down, and the two groups of blades which are adjacent up and down are staggered in the vertical direction.
6. The treatment system for removing heavy metals in wastewater according to claim 2, wherein: the grating adopts a double-layer design.
7. The treatment system for removing heavy metals in wastewater according to claim 2, wherein: the inner wall of the cylinder body is provided with a circle of overflow ring groove higher than the wastewater inlet pipe, and the overflow ring groove is externally connected with a wastewater outlet pipe.
8. The treatment system for removing heavy metals in wastewater according to claim 2, wherein: the cylinder body, the isolation cylinder, the wastewater inlet pipe, the grating and the stirrer are made of stainless steel materials.
9. A treatment system for removing heavy metals from wastewater according to claim 1 or 2, wherein: the medicament barrel is connected to a wastewater inlet pipe between the wastewater delivery pump and the coagulation reaction device through a medicament feeding pump.
10. The treatment system for removing heavy metals in wastewater according to claim 1, wherein: and the second wastewater pool is externally connected with a wastewater sampling port and a wastewater treatment station through a wastewater discharge pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921996229.XU CN211035366U (en) | 2019-11-19 | 2019-11-19 | Treatment system for removing heavy metals in wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921996229.XU CN211035366U (en) | 2019-11-19 | 2019-11-19 | Treatment system for removing heavy metals in wastewater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211035366U true CN211035366U (en) | 2020-07-17 |
Family
ID=71535107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921996229.XU Active CN211035366U (en) | 2019-11-19 | 2019-11-19 | Treatment system for removing heavy metals in wastewater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211035366U (en) |
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2019
- 2019-11-19 CN CN201921996229.XU patent/CN211035366U/en active Active
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