CN213060598U - Municipal sludge heavy metal treatment system - Google Patents
Municipal sludge heavy metal treatment system Download PDFInfo
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- CN213060598U CN213060598U CN202021724940.2U CN202021724940U CN213060598U CN 213060598 U CN213060598 U CN 213060598U CN 202021724940 U CN202021724940 U CN 202021724940U CN 213060598 U CN213060598 U CN 213060598U
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Abstract
The utility model belongs to the technical field of sludge heavy metal treatment, in particular to an urban sludge heavy metal treatment system, which comprises a mud-water separation tank and a precipitation impurity removal tank, the upper side between the mud-water separation tank and the precipitation impurity discharge tank is connected through a communication pipeline, the upper side of the left side wall of the mud-water separation tank is connected with a mud-water inlet pipe, the upper side of the right side wall of the precipitation impurity discharging pool is connected with a drain pipe, the left sides of the lower surfaces of the mud-water separation pool and the precipitation impurity discharging pool are respectively connected with a mud discharging port and an impurity discharging port, the middle part of the inner cavity of the mud-water separation tank is transversely provided with a flow buffering plate, the front end and the rear end of the flow buffering plate are respectively fixedly connected with the front side wall and the rear side wall of the inner cavity of the mud-water separation tank, heavy metals in the sludge can be separated out in a flowing water mode through the cooperation of the sludge-water separation tank and the precipitation impurity removal tank, and are precipitated and filtered to achieve the separation treatment effect; through the setting of the flow buffering plate, the fluidity is not very high during mud-water separation, and the splashing phenomenon is not caused.
Description
Technical Field
The utility model relates to a mud heavy metal treatment technical field specifically is a municipal sludge heavy metal processing system.
Background
Sludge produced during the operation and maintenance of municipal facilities in urban life and in connection with activities of urban life. According to the source, the sludge can be divided into sewage plant sludge, water supply plant sludge, drainage pipeline sludge, dredging sludge, building slurry and the like. The properties of the sludge from different sources are very different, and the corresponding treatment technical requirements and resource utilization ways are also different.
Some factories directly discharge chemical substances or discharge the chemical substances after incomplete treatment, so that sludge contains more heavy metals which are harmful to people and need to be treated.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a municipal sludge heavy metal processing system to some mills that provide in solving above-mentioned background art directly discharge or handle and do not thoroughly just discharge to chemical, lead to containing more heavy metal in the mud, it is harmful to the people, need carry out the problem handled.
In order to achieve the above object, the utility model provides a following technical scheme: the municipal sludge heavy metal treatment system comprises a mud-water separation tank and a precipitation impurity discharging tank, wherein the upper sides of the mud-water separation tank and the precipitation impurity discharging tank are connected through a communication pipeline, the upper side of the left side wall of the mud-water separation tank is connected with a mud-water inlet pipe, the upper side of the right side wall of the precipitation impurity discharging tank is connected with a drain pipe, the left sides of the lower surfaces of the mud-water separation tank and the precipitation impurity discharging tank are respectively connected with a mud discharging port and an impurity discharging port, the middle part of the inner cavity of the mud-water separation tank is transversely provided with a flow buffering plate, the front end and the rear end of the flow buffering plate are respectively fixedly connected with the front side wall and the rear side wall of the inner cavity of the mud-water separation tank, the left side of the flow buffering plate is not in contact with the left side wall and the right side wall of the inner cavity of the mud-, the upper left side of the inner cavity of the sediment impurity discharging pool is provided with a dispersion impeller through a rotating shaft, and the dispersion impeller is positioned on the right side of the communicating pipeline and positioned on the lower side of the output pipe.
Preferably, an overflow notch is formed in the left side of the upper surface of the mud-water separation tank.
Preferably, the lower surface of the mud-water separation tank is inclined with the lower left and the higher right.
Preferably, the medicament cartridge is funnel-shaped.
Preferably, the pipeline of the output pipe is provided with a flow valve.
Preferably, the bottom of the inner cavity of the sediment impurity discharging pool is rotatably connected with a filtering screen plate through a pin shaft, the right side wall of the filtering screen plate is connected with a supporting spring, the right side wall of the inner cavity of the sediment impurity discharging pool is provided with a mounting seat, and the right end of the supporting spring is fixedly connected with the left end of the mounting seat.
Compared with the prior art, the beneficial effects of the utility model are that:
1) heavy metals in the sludge can be separated out in a flowing water mode through the cooperation of the sludge-water separation tank and the precipitation impurity removal tank, and are precipitated and filtered to achieve the separation treatment effect;
2) through the setting of the flow buffering plate, the fluidity is not very high during mud-water separation, and the splashing phenomenon is not caused.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the mud-water separation tank of the present invention;
fig. 3 is the internal structure schematic diagram of the precipitation impurity removal tank of the utility model.
In the figure: 1 mud-water separation tank, 2 sedimentation impurity removal tank, 3 communication pipeline, 4 mud-water inlet pipe, 5 drain pipe, 6 sludge discharge port, 7 impurity discharge port, 8 overflow notch, 9 flow buffer plate, 10 medicament bin, 11 output pipe, 12 dispersing impeller, 13 supporting spring, 14 filtering screen plate and 15 mounting seat.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Example (b):
referring to fig. 1-3, the present invention provides a technical solution: a municipal sludge heavy metal treatment system comprises a mud-water separation tank 1 and a precipitation impurity removal tank 2, wherein the upside between the mud-water separation tank 1 and the precipitation impurity removal tank 2 is connected through a communication pipeline 3, a mud-water inlet pipe 4 is connected to the upside of the left side wall of the mud-water separation tank 1, a drain pipe 5 is connected to the upside of the right side wall of the precipitation impurity removal tank 2, a mud discharge port 6 and an impurity discharge port 7 are respectively connected to the left sides of the lower surfaces of the mud-water separation tank 1 and the precipitation impurity removal tank 2, a flow buffering plate 9 is transversely arranged in the middle of the inner cavity of the mud-water separation tank 1, the front end and the rear end of the flow buffering plate 9 are respectively fixedly connected with the front side wall and the rear side wall of the inner cavity of the mud-water separation tank 1, the left side and the right side wall of the inner cavity of the mud-water separation tank 1 are not in contact with each other, a, output tube 11 extends to the inner chamber of sediment miscellaneous pond 2 of arranging, sediment miscellaneous pond 2 of arranging the upper left side of inner chamber installs dispersion impeller 12 through the pivot, dispersion impeller 12 is located the right side of communicating pipe 3 and is located the downside of output tube 11.
Further, overflow notch 8 has been seted up on the upper surface left side of mud-water separation pond 1, through the setting of overflow notch 8, can play the effect of adjusting inside atmospheric pressure, and can spill over when mud-water is too much in mud-water separation pond 1, avoid causing the damage to mud-water separation pond 1.
Furthermore, the lower surface of the mud-water separation tank 1 is in an inclined shape with a lower left part and a higher right part, so that the mud is convenient to guide.
Further, the medicament bin 10 is funnel-shaped, so that medicament output is facilitated.
Furthermore, a flow valve is arranged on the pipeline of the output pipe 11, so that the medicine outflow rate can be conveniently regulated.
Further, the bottom of the inner cavity of the precipitation impurity discharging pool 2 is rotatably connected with a filtering screen plate 14 through a pin shaft, the right side wall of the filtering screen plate 14 is connected with a supporting spring 13, the right side wall of the inner cavity of the precipitation impurity discharging pool 2 is provided with a mounting seat 15, and the right end of the supporting spring 13 is fixedly connected with the left end of the mounting seat 15.
The working principle is as follows: adjusting the pH value of inlet water by nitric acid or a mixed solution of nitric acid and sulfuric acid to make the inlet water acidic, if the pH value is 3.20 +/-0.5, scouring sludge enters the inside of a mud-water separation tank 1 through a mud-water inlet pipe 4, an anticorrosive layer is arranged on the inner walls of the mud-water separation tank 1, a precipitation impurity discharging tank 2, a communication pipeline 3, the mud-water inlet pipe 4 and a drain pipe 5, the anticorrosive layer is made of polytetrafluoroethylene, the nitric acid or the mixed solution of nitric acid and sulfuric acid drives some heavy metal particle components to flow from the inside of the sludge and flows into the precipitation impurity discharging tank 2 through the communication pipeline 3, and under the action of a slow flow plate 9, the sludge is not easy to move upwards, so that the sludge and the scouring solution are quickly separated, and the sludge is accumulated to a certain degree and can be discharged through;
the flushing liquid that contains the heavy metal gets into through communicating pipe 3 and deposits in arranging miscellaneous pond 2, and the medicament in medicament storehouse 10 flows out through output tube 11 and with the water contact that contains the heavy metal, through dispersion impeller 12's stirring effect for better contact between medicament and the water that contains the heavy metal mixes.
Because the pH of the inlet water is adjusted by nitric acid or the mixed solution of nitric acid and sulfuric acid, the scouring liquid is acidic, so that the alkaline medicament is stored in the medicament bin 10, and the adding amount of the alkaline medicament is adjusted according to the monitoring result of the pH detector, so that the aim of neutralizing the scouring liquid is fulfilled. When the pH value is 7-9, the medicament bin 10 stops feeding the alkaline liquid into the flushing liquid containing the heavy metal; the sediment generated by the neutralization treatment is precipitated to the bottom of the sediment impurity discharging pool 2.
The communicating pipeline 3 and the water discharge pipe 5 are both provided with a suction pump for sucking liquid.
Neutralizing the pH value of the water containing the heavy metals, and stopping feeding the alkaline liquid into the water containing the heavy metals by the medicament bin 10 when the pH value is equal to 9; the sediment that neutralization treatment produced deposits to mud-water separation tank 1 bottom, through the shelves filtering action that separate of filtering sieve otter board 14 for deposit can not discharge through drain pipe 5, through the effect of supporting spring 13, makes filtering sieve otter board 14 can the cushioning effect, and the sediment of concentrating is discharged through row miscellaneous mouthful 7 at last.
Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an urban sludge heavy metal processing system, includes mud-water separation pond (1) and deposits miscellaneous pond (2) of row, its characterized in that: the upper side between the mud-water separation tank (1) and the sediment impurity discharging tank (2) is connected through a communicating pipeline (3), the upper side of the left side wall of the mud-water separation tank (1) is connected with a mud-water inlet pipe (4), the upper side of the right side wall of the sediment impurity discharging tank (2) is connected with a drain pipe (5), the left sides of the lower surfaces of the mud-water separation tank (1) and the sediment impurity discharging tank (2) are respectively connected with a mud discharge port (6) and an impurity discharge port (7), the middle part of the inner cavity of the mud-water separation tank (1) is transversely provided with a baffle plate (9), the front end and the rear end of the baffle plate (9) are respectively fixedly connected with the front side wall and the rear side wall of the inner cavity of the mud-water separation tank (1), the left side and the right side wall of the inner cavity of the mud-water separation tank (9) are not in contact with each other, the left side of the upper surface of the sediment impurity discharging, output tube (11) extend to the inner chamber of sediment miscellaneous pond (2) of arranging, sediment miscellaneous pond (2) of arranging the upper left side of inner chamber installs dispersion impeller (12) through the pivot, dispersion impeller (12) are located the right side of intercommunication pipeline (3) and are located the downside of output tube (11).
2. The municipal sludge heavy metal treatment system according to claim 1, wherein: and an overflow notch (8) is formed in the left side of the upper surface of the mud-water separation tank (1).
3. The municipal sludge heavy metal treatment system according to claim 1, wherein: the lower surface of the mud-water separation tank (1) is in an inclined shape with a lower left and a higher right.
4. The municipal sludge heavy metal treatment system according to claim 1, wherein: the medicament bin (10) is funnel-shaped.
5. The municipal sludge heavy metal treatment system according to claim 1, wherein: and a flow valve is arranged on the pipeline of the output pipe (11).
6. The municipal sludge heavy metal treatment system according to claim 1, wherein: the bottom of the inner cavity of the sediment impurity discharging pool (2) is rotatably connected with a filtering screen plate (14) through a pin shaft, the right side wall of the filtering screen plate (14) is connected with a supporting spring (13), the right side wall of the inner cavity of the sediment impurity discharging pool (2) is provided with a mounting seat (15), and the right end of the supporting spring (13) is fixedly connected with the left end of the mounting seat (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021724940.2U CN213060598U (en) | 2020-08-18 | 2020-08-18 | Municipal sludge heavy metal treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021724940.2U CN213060598U (en) | 2020-08-18 | 2020-08-18 | Municipal sludge heavy metal treatment system |
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| Publication Number | Publication Date |
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| CN213060598U true CN213060598U (en) | 2021-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021724940.2U Active CN213060598U (en) | 2020-08-18 | 2020-08-18 | Municipal sludge heavy metal treatment system |
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| CN (1) | CN213060598U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116022984A (en) * | 2023-03-30 | 2023-04-28 | 广东预防医学健康研究院(有限合伙) | Medical wastewater recycling and treating environment-friendly device |
-
2020
- 2020-08-18 CN CN202021724940.2U patent/CN213060598U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116022984A (en) * | 2023-03-30 | 2023-04-28 | 广东预防医学健康研究院(有限合伙) | Medical wastewater recycling and treating environment-friendly device |
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