CN211367296U - Dichloromethane waste water treatment device - Google Patents
Dichloromethane waste water treatment device Download PDFInfo
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- CN211367296U CN211367296U CN201921990230.1U CN201921990230U CN211367296U CN 211367296 U CN211367296 U CN 211367296U CN 201921990230 U CN201921990230 U CN 201921990230U CN 211367296 U CN211367296 U CN 211367296U
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- dichloromethane
- lime
- reaction vessel
- waste water
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Abstract
The utility model relates to a dichloromethane effluent treatment plant, it includes: a reaction vessel; the lime dosing assembly comprises a lime adding channel, and the lime adding channel extends into the reaction container; a heating assembly disposed in the reaction vessel. The dichloromethane wastewater is added with lime to react at a certain temperature, so that dichloromethane is converted into formic acid convenient for biochemical treatment, and the problems of complex operation and high requirement are solved.
Description
Technical Field
The utility model belongs to the waste water treatment field relates to a dichloromethane effluent treatment plant.
Background
At present, a pretreatment method of iron-carbon, Fenton oxidation and coagulating sedimentation is mostly adopted for dichloromethane wastewater, the main problems of the treatment process are that the process route is long, the operation is complex, firstly, the pH value of the wastewater is adjusted to 2-3 by sulfuric acid, then, the pH value is adjusted to 8-9 by liquid caustic soda, the acid and the caustic soda are adjusted back and forth by a system, the cost of the medicament is high, meanwhile, a large amount of salt is added by the system, the subsequent biochemical treatment is influenced, the proportional relation of the medicament is required to be well controlled in Fenton oxidation operation, and the operation requirement is high. The above problems need to be solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a dichloromethane effluent treatment plant can simplify the waste water treatment flow.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
the utility model provides a dichloromethane effluent treatment plant, it includes:
a reaction vessel;
the lime dosing assembly comprises a lime adding channel, and the lime adding channel extends into the reaction container;
a heating assembly disposed in the reaction vessel.
Optionally, it further comprises:
a stirring assembly disposed in the reaction vessel.
Optionally, it further comprises:
a pH meter disposed in the reaction vessel.
Further, the pH meter is in signal connection with the lime dosing assembly.
Optionally, the heating assembly comprises a heating medium feeding channel, and an outlet of the heating medium feeding channel is arranged at the bottom of the reaction vessel.
Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
the utility model discloses a dichloromethane effluent treatment plant owing to set up reaction vessel and can load dichloromethane waste water, has set up lime charge device and can add lime to reaction vessel, has set up heating element again and has been used for heating the dichloromethane waste water in the reaction vessel to make the dichloromethane conversion formic acid of biochemical treatment for being convenient for. To the background art, the utility model discloses a dichloromethane waste water adds lime and reacts under the uniform temperature to solve the complicated, higher problem of requirement of operation.
Drawings
Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
FIG. 1 is a schematic diagram of the wastewater treatment device for dichloromethane wastewater treatment according to the present invention;
FIG. 2 is a schematic structural diagram of an embodiment of the dichloromethane wastewater treatment device of the present invention;
wherein the reference numerals are as follows:
1. a reaction vessel;
2. lime dosing assembly;
3. a heating assembly;
4. a stirring assembly;
5. a pH meter;
6. a lime addition channel;
7. a heating medium addition channel;
8. stirring blades;
9. an electric motor.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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 should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
As shown in FIG. 2, the dichloromethane waste water treatment apparatus comprises a reaction vessel 1, wherein the reaction vessel 1 is used for loading dichloromethane waste water.
The lime adding device comprises a lime adding component 2, wherein the lime adding component 2 comprises a lime adding channel 6, the lime adding channel 6 extends into the reaction vessel 1, so that lime is introduced into the reaction vessel 1 to react with dichloromethane wastewater.
The device also comprises a heating assembly 3, wherein the heating assembly 3 comprises a heating medium adding channel 7, the outlet of the heating medium adding channel 7 is arranged at the bottom of the reaction container 1 so as to heat the waste water better, and a heating medium is introduced into the heating medium adding channel 7. In the embodiment, the heating medium is steam generated by a steam system which is conventionally equipped in a workshop, and the materials are convenient to obtain. In other embodiments, other heating elements, such as electrical heating rods or the like, may also be used. The wastewater is heated at a temperature of from 40 ℃ to 60 ℃, more preferably about 50 ℃, such as from 45 ℃ to 55 ℃.
In order to bring the lime into contact with the methylene chloride more sufficiently, a stirring assembly 4 is provided in the reaction vessel 1, and the stirring assembly 4 includes a stirring blade 8 and a motor 9 for driving the stirring blade 8 to rotate.
In order to control the adding amount of lime, a pH meter 5 is also arranged in the reaction container 1, and the pH value of the wastewater is adjusted to be within the range of 9-10 according to the adding amount of the lime. The pH meter 5 is also in signal communication with the lime dosing assembly 2 to determine whether to continue adding lime based on the value measured by the pH meter 5.
The methylene dichloride wastewater treatment principle (or treatment method) as shown in fig. 1 comprises the following steps:
receiving dichloromethane wastewater;
adding lime into the dichloromethane wastewater until the dichloromethane wastewater has a set pH value, and preferably, the pH value is 9-10;
stirring the dichloromethane wastewater to ensure that the lime is fully contacted with dichloromethane in the wastewater, which is an optional step, and in other embodiments, the dichloromethane wastewater may not be stirred;
heating the dichloromethane wastewater until the dichloromethane wastewater reaches a set temperature, wherein the set temperature is preferably 40-60 ℃, more preferably about 50 ℃ (such as 45-55 ℃), and preferably using steam for heating, so that a steam system which is conventionally equipped in a workshop can be utilized;
and (3) contacting the dichloromethane wastewater with lime for a period of time, wherein most dichloromethane can be treated when the time lasts for 2-3 hours, if the time is longer, a small part of dichloromethane can still be treated, and the longer the reaction time is, the more dichloromethane is treated.
The order of stirring the dichloromethane waste water and heating the dichloromethane waste water is not limited, and the dichloromethane waste water can be simultaneously stirred and simultaneously heated when the lime is added.
The main component of the lime is calcium oxide, and after the dichloromethane wastewater reacts with the lime, the dichloromethane can be converted into formic acid which is convenient for biochemical treatment.
The device has compact structure and obvious effect of processing dichloromethane wastewater, so that dichloromethane is converted into formic acid which is convenient for biochemical treatment. To the background art, the utility model discloses a dichloromethane waste water adds lime and reacts under the uniform temperature to solve the complicated, higher problem of requirement of operation.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (5)
1. A dichloromethane waste water treatment device is characterized by comprising:
a reaction vessel (1);
the lime dosing assembly (2) comprises a lime adding channel (6), and the lime adding channel (6) extends into the reaction vessel (1);
a heating assembly (3), the heating assembly (3) being arranged in the reaction vessel (1).
2. The dichloromethane wastewater treatment apparatus according to claim 1, further comprising:
a stirring assembly (4), the stirring assembly (4) being disposed in the reaction vessel (1).
3. The dichloromethane wastewater treatment apparatus according to claim 1, further comprising:
a pH meter (5), the pH meter (5) being disposed in the reaction vessel (1).
4. The methylene chloride wastewater treatment apparatus according to claim 3, wherein: the pH meter (5) is connected with the lime dosing assembly (2) in a signal mode.
5. The dichloromethane wastewater treatment apparatus according to claim 1, wherein: the heating assembly (3) comprises a heating medium adding channel (7), and an outlet of the heating medium adding channel (7) is arranged at the bottom of the reaction vessel (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921990230.1U CN211367296U (en) | 2019-11-18 | 2019-11-18 | Dichloromethane waste water treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921990230.1U CN211367296U (en) | 2019-11-18 | 2019-11-18 | Dichloromethane waste water treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211367296U true CN211367296U (en) | 2020-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921990230.1U Active CN211367296U (en) | 2019-11-18 | 2019-11-18 | Dichloromethane waste water treatment device |
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| CN (1) | CN211367296U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110877944A (en) * | 2019-11-18 | 2020-03-13 | 苏州淡林环境科技有限公司 | Dichloromethane wastewater treatment method and treatment device |
| CN114394693A (en) * | 2022-01-22 | 2022-04-26 | 安徽科技学院 | Clarification treatment method for industrial oily wastewater |
-
2019
- 2019-11-18 CN CN201921990230.1U patent/CN211367296U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110877944A (en) * | 2019-11-18 | 2020-03-13 | 苏州淡林环境科技有限公司 | Dichloromethane wastewater treatment method and treatment device |
| CN114394693A (en) * | 2022-01-22 | 2022-04-26 | 安徽科技学院 | Clarification treatment method for industrial oily wastewater |
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