CN216445168U - Laboratory effluent treatment plant - Google Patents
Laboratory effluent treatment plant Download PDFInfo
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- CN216445168U CN216445168U CN202123316015.3U CN202123316015U CN216445168U CN 216445168 U CN216445168 U CN 216445168U CN 202123316015 U CN202123316015 U CN 202123316015U CN 216445168 U CN216445168 U CN 216445168U
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- storage tank
- liquid
- liquid storage
- tank
- reaction kettle
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- 239000007788 liquid Substances 0.000 claims abstract description 165
- 238000003860 storage Methods 0.000 claims abstract description 91
- 238000006243 chemical reaction Methods 0.000 claims abstract description 37
- 239000002699 waste material Substances 0.000 claims abstract description 23
- 229910001385 heavy metal Inorganic materials 0.000 claims abstract description 22
- 239000002253 acid Substances 0.000 claims abstract description 21
- 239000003513 alkali Substances 0.000 claims abstract description 21
- 238000004065 wastewater treatment Methods 0.000 claims abstract description 18
- 238000010992 reflux Methods 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 4
- 239000006004 Quartz sand Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 claims description 3
- 239000010802 sludge Substances 0.000 claims description 3
- 150000002500 ions Chemical class 0.000 abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 10
- 150000003839 salts Chemical class 0.000 abstract description 8
- 239000000243 solution Substances 0.000 description 45
- 239000002351 wastewater Substances 0.000 description 15
- 238000001914 filtration Methods 0.000 description 3
- 238000004062 sedimentation Methods 0.000 description 3
- 239000006228 supernatant Substances 0.000 description 3
- 239000010840 domestic wastewater Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
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Abstract
The utility model discloses a laboratory wastewater treatment device, and relates to the technical field of laboratory equipment; the technical scheme is as follows: comprises a reaction kettle, a first liquid storage tank, a second liquid storage tank, a third liquid storage tank, a settling tank and a fourth liquid storage tank; the first liquid storage tank is used for storing acid waste liquid, the second liquid storage tank is used for storing alkali waste liquid, and the third liquid storage tank is used for storing heavy metal ion waste liquid; liquid outlets of the first liquid storage tank, the second liquid storage tank and the third liquid storage tank are all connected with a liquid inlet of the reaction kettle; and the liquid outlet of the reaction kettle is connected with the liquid inlet of the settling tank, and the liquid outlet of the settling tank is connected with the liquid inlet of the fourth liquid storage tank. The utility model can directly convert acid solution, alkali solution or high-concentration heavy metal solution into indissolvable salt and water in a laboratory, can reduce the waste of the acid solution and the alkali solution and prevent the direct discharge of heavy metal ions.
Description
Technical Field
The utility model relates to the technical field of laboratory equipment, in particular to a laboratory wastewater treatment device.
Background
The laboratory wastewater is mainly waste liquid generated in the experimental process and the cleaning of experimental instruments, and is usually an acid solution, an alkali solution or a high-concentration heavy metal solution. Because the laboratory wastewater is little and discontinuous, the existing treatment mode is collected greatly or directly discharged into an underground wastewater pipe network after being filtered, and the wastewater is sent to a large domestic wastewater treatment plant for centralized treatment. But the heavy metals that the sanitary wastewater treatment system can handle are limited, lead to the direct emission of most heavy metals, the polluted environment.
SUMMERY OF THE UTILITY MODEL
Aiming at the technical problem that most heavy metals are easy to be directly discharged when the existing laboratory wastewater is treated by a domestic wastewater treatment system; the utility model provides a laboratory wastewater treatment device, which can directly convert an acid solution, an alkali solution or a high-concentration heavy metal solution into insoluble salt and water in a laboratory, reduce the waste of the acid solution and the alkali solution in laboratory wastewater and prevent the direct discharge of heavy metal ions.
The utility model is realized by the following technical scheme:
the utility model provides a laboratory wastewater treatment device, which comprises a reaction kettle, a first liquid storage tank, a second liquid storage tank, a third liquid storage tank, a sedimentation tank and a fourth liquid storage tank, wherein the reaction kettle is connected with the first liquid storage tank; the first liquid storage tank is used for storing acid waste liquid, the second liquid storage tank is used for storing alkali waste liquid, and the third liquid storage tank is used for storing heavy metal ion waste liquid; liquid outlets of the first liquid storage tank, the second liquid storage tank and the third liquid storage tank are all connected with a liquid inlet of the reaction kettle; and the liquid outlet of the reaction kettle is connected with the liquid inlet of the settling tank, and the liquid outlet of the settling tank is connected with the liquid inlet of the fourth liquid storage tank.
In an alternative embodiment, a stirring mechanism is adapted in the reaction kettle.
In an optional embodiment, the liquid outlets of the first liquid storage tank, the second liquid storage tank and the third liquid storage tank are all provided with switch valves.
In an optional embodiment, the reactor comprises a reflux pump, wherein a liquid inlet of the reflux pump is connected with the fourth liquid storage tank, and a liquid outlet of the reflux pump is connected with a liquid inlet of the reaction kettle.
In an optional embodiment, a sludge discharge port is formed in the bottom of the settling tank, the liquid inlet of the settling tank is located in the middle of the settling tank, and the liquid outlet of the settling tank is located at the upper end of the settling tank.
In an optional embodiment, a filter plate is adapted in the settling tank, and the filter plate is positioned between the liquid inlet and the liquid outlet of the settling tank.
In an alternative embodiment, the filter plate is a quartz sand plate.
The utility model has the following beneficial effects:
the laboratory wastewater treatment device provided by the utility model stores acid waste liquid by a first liquid storage tank, stores alkali waste liquid by a second liquid storage tank, stores heavy metal ion waste liquid by a third liquid storage tank, and the liquid outlets of the first liquid storage tank, the second liquid storage tank and the third liquid storage tank are all connected with the liquid inlet of a reaction kettle, when wastewater is mainly acid solution or alkali solution, the wastewater can be directly discharged into the reaction kettle for neutralization reaction after a certain amount of solution is stored in the first liquid storage tank and the second liquid storage tank to generate salt and water, the heavy metal ion wastewater in the third liquid storage tank is directly discharged into the reaction kettle after a certain amount of solution is stored, simultaneously the solution in the first liquid storage tank or the second liquid storage tank is discharged into the reaction kettle, so that the heavy metal ion solution reacts with the acid solution or the alkali solution to produce salt and water, the reaction kettle is sequentially connected with a precipitation tank and a fourth liquid storage tank, and the saline water in the reaction kettle is mixed in the precipitation tank for solid-liquid separation, then the mixture is discharged into a fourth liquid storage tank for storage. Therefore, the utility model can directly convert the acid solution, the alkali solution or the high-concentration heavy metal solution into the insoluble salt and water in the laboratory, can reduce the waste of the acid solution and the alkali solution in the laboratory wastewater, and simultaneously prevents the direct discharge of heavy metal ions.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
FIG. 1 is a schematic structural view of a laboratory wastewater treatment apparatus according to an embodiment of the present invention.
Reference numerals:
1-a reaction kettle, 2-a first liquid storage tank, 3-a second liquid storage tank, 4-a third liquid storage tank, 5-a settling tank, 51-a sludge discharge port, 52-a filter plate, 6-a fourth liquid storage tank and 7-a reflux pump.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present application, the terms "central," "upper," "lower," "left," "right," "vertical," "longitudinal," "lateral," "horizontal," "inner," "outer," "front," "rear," "top," "bottom," and the like refer to orientations or positional relationships that are conventionally used in the manufacture of the present application, or that are routinely understood by those of ordinary skill in the art, but are merely used to facilitate the description and to simplify the description of the present application and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered limiting of the present application.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "disposed," "open," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, as opposed to a removable connection, or as an integral connection; may be a mechanical connection, to be an electrical connection; may be directly connected to one another, may be indirectly connected through intervening media, and may be internal to both elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
Example 1
With reference to fig. 1, the present embodiment provides a laboratory wastewater treatment apparatus, which includes a reaction kettle 1, a first liquid storage tank 2, a second liquid storage tank 3, a third liquid storage tank 4, a settling tank 5, and a fourth liquid storage tank 6; the first liquid storage tank 2 is used for storing acid waste liquid, the second liquid storage tank 3 is used for storing alkali waste liquid, and the third liquid storage tank 4 is used for storing heavy metal ion waste liquid; the liquid outlets of the first liquid storage tank 2, the second liquid storage tank 3 and the third liquid storage tank 4 are all connected with the liquid inlet of the reaction kettle 1; the liquid outlet of the reaction kettle 1 is connected with the liquid inlet of the sedimentation tank 5, and the liquid outlet of the sedimentation tank 5 is connected with the liquid inlet of the fourth liquid storage tank 6.
In order to ensure that the solution in the reaction kettle 1 can fully react, a stirring mechanism is adapted in the reaction kettle 1, for example, a rotational flow component and a stirring blade driven by a motor are arranged in the reaction kettle 1.
It can be understood that the liquid outlets of the first liquid storage tank 2, the second liquid storage tank 3, the third liquid storage tank 4 and the reaction kettle 1 are all provided with switch valves so as to control the liquid discharge of the first liquid storage tank 2, the second liquid storage tank 3, the third liquid storage tank 4 and the reaction kettle 1.
Wherein, 5 bottoms of gunbarrel are equipped with row mud mouth 51, the inlet of gunbarrel 5 is located 5 middle parts of gunbarrel, the leakage fluid dram of gunbarrel 5 is located 5 upper ends of gunbarrel. Set up mud discharging port 51 in 5 bottoms of gunbarrel to the sedimentary mud of 5 bottoms of gunbarrel of discharge, and the inlet setting of gunbarrel 5 is in the middle part, the liquid outlet sets up in the upper end, can minimize the influence that liquid entering gunbarrel 5 caused to the supernatant and the sedimentary mud of lower part on 5 upper portions of gunbarrel.
When the device is used, the first liquid storage tank 2 is used for storing acid waste liquid, the second liquid storage tank 3 is used for storing alkali waste liquid, and the third liquid storage tank 4 is used for storing heavy metal ion waste liquid. When the wastewater is mainly an acid solution or an alkali solution, the wastewater can be directly discharged into the reaction kettle 1 for neutralization reaction after a certain amount of solution is stored in the first liquid storage tank 2 and the second liquid storage tank 3 to generate salt and water. The same heavy metal ion wastewater in the third liquid storage tank 4 is directly discharged into the reaction kettle 1 after being stored for a certain amount, and simultaneously the solution in the first liquid storage tank 2 or the second liquid storage tank 3 is discharged into the reaction kettle 1, so that the heavy metal ion solution reacts with the acid solution or the alkali solution to produce salt and water. The reaction kettle 1 is sequentially connected with the settling tank 5 and the fourth liquid storage tank 6, so that the brine in the reaction kettle 1 is mixed in the settling tank 5 for solid-liquid separation, and then is discharged into the fourth liquid storage tank 6 for storage.
If the acid solution or the alkali solution is insufficient in the process of treating the laboratory wastewater, the acid solution or the alkali solution can be directly added into the reaction kettle 1 for reaction. The solution in the fourth liquid storage tank 6 can be sampled and detected periodically, and whether the solution is further processed or directly discharged is judged according to the detection result.
Therefore, the utility model can directly convert the acid solution, the alkali solution or the high-concentration heavy metal solution into the insoluble salt and water in the laboratory, can reduce the waste of the acid solution and the alkali solution in the laboratory wastewater, and simultaneously prevents the direct discharge of heavy metal ions.
Example 2
The embodiment provides a laboratory wastewater treatment device, based on the structure and principle described in embodiment 1, a filter plate 52 is adapted in the settling tank 5, and the filter plate 52 is positioned between a liquid inlet and a liquid outlet of the settling tank 5.
It should be noted that, the filter plate 52 is disposed between the liquid inlet and the liquid outlet of the settling tank 5, which not only can prevent the sediment from being directly discharged from the liquid outlet of the settling tank 5, but also can further reduce the influence of the liquid entering the settling tank 5 on the supernatant. For the liquid in the settling tank 5 to be discharged from bottom to top, the filtering plate 52 can be washed by the supernatant liquid when the liquid level of the settling tank 5 descends, so that the filtering plate 52 is prevented from being blocked.
Preferably, the filter plate 52 is a quartz sand plate to have a sufficient water passing capacity while ensuring a sufficient filtering accuracy of the filter plate 52.
Example 3
The embodiment provides a laboratory effluent treatment plant, based on the structure and the principle that embodiment 1 and/or embodiment 2 recorded, including backwash pump 7, backwash pump 7 inlet with fourth liquid storage pot 6 links to each other, backwash pump 7 leakage fluid dram with reation kettle 1 inlet links to each other. When the solution in the fourth liquid storage tank 6 does not reach the discharge standard, the solution is pumped back to the reaction kettle 1 through the reflux pump 7 for treatment again.
The foregoing is only a preferred embodiment of the present invention, and the present invention is not limited thereto in any way, and any simple modification, equivalent replacement and improvement made to the above embodiment within the spirit and principle of the present invention still fall within the protection scope of the present invention.
Claims (7)
1. A laboratory wastewater treatment device comprises a reaction kettle (1), and is characterized by further comprising a first liquid storage tank (2), a second liquid storage tank (3), a third liquid storage tank (4), a settling tank (5) and a fourth liquid storage tank (6);
the first liquid storage tank (2) is used for storing acid waste liquid, the second liquid storage tank (3) is used for storing alkali waste liquid, and the third liquid storage tank (4) is used for storing heavy metal ion waste liquid;
the liquid outlets of the first liquid storage tank (2), the second liquid storage tank (3) and the third liquid storage tank (4) are all connected with the liquid inlet of the reaction kettle (1);
the liquid outlet of the reaction kettle (1) is connected with the liquid inlet of the settling tank (5), and the liquid outlet of the settling tank (5) is connected with the liquid inlet of the fourth liquid storage tank (6).
2. Laboratory wastewater treatment plant according to claim 1, characterized in that a stirring mechanism is adapted in the reaction vessel (1).
3. The laboratory wastewater treatment device according to claim 1, wherein the liquid outlets of the first liquid storage tank (2), the second liquid storage tank (3) and the third liquid storage tank (4) are provided with switch valves.
4. The laboratory wastewater treatment device according to claim 1, further comprising a reflux pump (7), wherein a liquid inlet of the reflux pump (7) is connected with the fourth liquid storage tank (6), and a liquid outlet of the reflux pump (7) is connected with a liquid inlet of the reaction kettle (1).
5. The laboratory wastewater treatment device according to claim 1, wherein a sludge discharge port (51) is arranged at the bottom of the settling tank (5), a liquid inlet of the settling tank (5) is arranged in the middle of the settling tank (5), and a liquid outlet of the settling tank (5) is arranged at the upper end of the settling tank (5).
6. Laboratory wastewater treatment plant according to claim 5, characterized in that a filter plate (52) is fitted in the settling tank (5), said filter plate (52) being located between the liquid inlet and the liquid outlet of the settling tank (5).
7. The laboratory wastewater treatment device according to claim 6, characterized in that the filter plate (52) is a quartz sand plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123316015.3U CN216445168U (en) | 2021-12-24 | 2021-12-24 | Laboratory effluent treatment plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123316015.3U CN216445168U (en) | 2021-12-24 | 2021-12-24 | Laboratory effluent treatment plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216445168U true CN216445168U (en) | 2022-05-06 |
Family
ID=81378096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123316015.3U Expired - Fee Related CN216445168U (en) | 2021-12-24 | 2021-12-24 | Laboratory effluent treatment plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216445168U (en) |
-
2021
- 2021-12-24 CN CN202123316015.3U patent/CN216445168U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 230000 China Construction intelligent cube b1-1403, the intersection of Shanghai Road and Lanzhou Road, Baohe Economic Development Zone, Hefei, Anhui Province Patentee after: Anhui Minda science and Technology Experimental Equipment Co.,Ltd. Address before: 230000 office B, Huishang headquarters Plaza, No. 6686, Dalian Road, Baohe Economic Development Zone, Hefei, Anhui 2411 Patentee before: Anhui Minda science and Technology Experimental Equipment Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220506 |