CN212178901U - Waste antifreezing solution treatment device - Google Patents
Waste antifreezing solution treatment device Download PDFInfo
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- CN212178901U CN212178901U CN202020399790.6U CN202020399790U CN212178901U CN 212178901 U CN212178901 U CN 212178901U CN 202020399790 U CN202020399790 U CN 202020399790U CN 212178901 U CN212178901 U CN 212178901U
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Abstract
The utility model discloses an abandonment antifreeze solution processing apparatus, include distillation plant, reaction unit, cross the device and burn the device. The distillation device is used for removing water in the waste antifreezing solution, the evaporated gas is condensed in the reaction device, the sewage is subjected to Fenton reaction purification treatment in the reaction device, the unevaporated liquid is pumped into the filtering device, the filtering device is used for filtering waste chips in the waste antifreezing solution, the filtered liquid enters the incineration device, and the filtrate is incinerated and then discharged. The waste antifreeze fluid treatment device effectively separates main components in the waste antifreeze fluid and sets a suitable post-treatment device according to the properties of the components, optimizes and screens the separation devices, improves the separation efficiency, optimizes the treatment process and improves the treatment efficiency; reduces the energy consumption for treatment and meets the requirement of environmental protection and emission.
Description
Technical Field
The utility model belongs to the useless field of handling of danger, concretely relates to abandonment antifreeze solution processing apparatus.
Background
The antifreezing solution is widely applied to automobiles, machining and more industrial fields. In the using process, due to frequent temperature change, the antifreezing solution is in contact with air for a long time to generate oxidation reaction, so that the pH of the antifreezing solution is easy to reduce and deteriorate after the antifreezing solution is used for a period of time, metal is corroded, and corrosion debris is mixed in the antifreezing solution to further aggravate deterioration. Therefore, the antifreeze solution needs to be replaced at intervals to ensure the mechanical safety performance.
For the replaced antifreeze, in order to reduce pollution emission, save energy and reduce consumption, regeneration measures are available for partial recycling, but after the antifreeze is recycled for a certain number of times, the antifreeze cannot be recycled because the antifreeze is seriously oxidized and deteriorated and has more chips and cannot meet the refrigeration requirement of mechanical operation. As for waste antifreeze, the prior art mainly adopts a direct combustion method for treatment, but because the antifreeze contains a large amount of water and rusty debris, the direct combustion has larger heat load, higher energy consumption and secondary pollution, and does not meet the environmental protection requirement at present.
Therefore, it is necessary to invent an apparatus suitable for disposal of the waste antifreeze.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, an object of the present invention is to provide an apparatus for treating waste antifreeze, which can treat main components in antifreeze according to different properties, reduce thermal load, reduce energy consumption, and reduce secondary pollution.
The utility model discloses a following technical scheme:
a waste antifreeze treatment apparatus comprising:
the distillation device is used for removing moisture in the waste anti-freezing liquid and comprises a first outlet for discharging evaporated gas and a second outlet for discharging non-evaporated liquid;
the reaction device is communicated with the first outlet of the distillation device through a pipeline and is used for carrying out Fenton reaction purification treatment on the sewage discharged by evaporation;
the feed inlet of the filtering device is connected with the second outlet of the distillation device through a pipeline with a delivery pump and is used for filtering waste chips in the waste antifreezing solution;
and the incineration device is connected with the filtrate outlet of the filtering device and is used for incinerating the filtrate.
According to a specific embodiment of abandonment antifreeze solution processing apparatus, distillation plant is the vacuum distillation jar, improves distillation efficiency through the vacuum distillation.
According to a concrete embodiment of abandonment antifreeze solution processing apparatus, reaction unit includes a jar body, the internal portion of jar sets up the PH gauge, jar body top is provided with PH regulation reagent admission pipe, hydrogen peroxide admission pipe and ferrous sulfate admission pipe, jar body bottom sets up the drain pipe.
According to a concrete embodiment of abandonment antifreeze solution processing apparatus, jar body bottom still is provided with the bubbling pipe, promotes the mixture of reaction reagent and sewage through the bubbling mode at the fenton reaction time, improves reaction efficiency.
According to the utility model discloses a specific embodiment of abandonment antifreeze solution processing apparatus, filter equipment is pressure filter equipment. Because the main component of the refrigerating fluid is glycol and the viscosity is high, the filtering device is pressurized, and the filtering efficiency is improved.
According to the utility model discloses a specific embodiment of abandonment antifreeze solution processing apparatus, pressure filter equipment includes the inert gas source. The inert high-pressure air source provides pressure, so that the filtering efficiency is improved, and the safety during filtering can be ensured due to the fact that the anti-freezing liquid is inflammable.
According to a specific embodiment of abandonment antifreeze solution processing apparatus, distillation plant with install the buffer tank between the reaction unit, be used for the holding non-water component that smugglies secretly in the distillation plant evaporation gas. The buffer tank is additionally arranged between the distillation device and the reaction device, and the size of the buffer tank and the length of the front and rear connecting pipelines of the buffer tank can be adjusted, so that organic components with higher boiling points in the distilled gas are deposited in the buffer tank, the pressure of rear-end sewage treatment is reduced, and the deposited liquid in the buffer tank can be returned to the distillation tank.
According to a specific embodiment of abandonment antifreeze solution processing apparatus, burn the device and for burning the spray gun.
Since the technical scheme is used, the utility model discloses following beneficial effect has:
1) the waste antifreeze solution treatment device of the utility model effectively separates the main components in the waste antifreeze solution and sets a suitable post-treatment device according to the properties of the components;
2) the utility model improves the separation efficiency by optimizing and screening each separation device;
3) the utility model optimizes the treatment process, reduces the organic matter content of the water sample during water treatment, and improves the mixing effect during water treatment so as to improve the treatment efficiency;
4) the utility model discloses reduce the heat load when the ethylene glycol in the antifreeze burns, reduced the processing energy consumption, satisfied environmental protection emission requirement.
Drawings
In order to more clearly illustrate the technical solution of the mode of the invention, the drawings that are required to be used in the embodiment are briefly described below, it should be understood that the following drawings only illustrate some embodiments of the invention, and are not to be considered as limiting the scope, and that for a person skilled in the art, other relevant drawings can be obtained from these drawings without inventive effort.
FIG. 1 is a schematic view of a waste antifreeze treatment apparatus according to the present invention.
In the figure, 1 is a distillation retort, 2 is a tank body, 3 is a PH regulating reagent inlet pipe, 4 is a hydrogen peroxide inlet pipe, 5 is a ferrous sulfate inlet pipe, 6 is a drain pipe, 7 is a filtering device, 8 is a first delivery pump, 9 is an incineration spray gun, 10 is a second delivery pump, 11 is a hearth, 12 is a bubbling pipe, 13 is an air source, and 14 is a buffer tank.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the 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 is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements 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.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Example 1
As shown in fig. 1, the apparatus for treating waste antifreeze includes:
and a distillation device which is a distillation tank 1, wherein the waste antifreeze is placed in the distillation tank 1, and water in the waste antifreeze is evaporated by heating. The distillation tank 1 comprises a first outlet at the top for the discharge of evaporated gas and a second outlet at the bottom for the discharge of non-evaporated liquid.
The reaction device is a tank body 2, and gas generated by the distillation tank 1 enters the tank body 2 through a first outlet and is condensed into sewage containing organic matters such as ethylene glycol. Since the wastewater mainly contains glycol organic substances, the fenton reaction in the prior art is directly selected for purifying the wastewater. Jar body 2 is inside to be set up the PH and to detect the meter and be used for detecting sewage PH, and the PH detects the meter and preferably detects the meter at online PH. A PH adjusting reagent inlet pipe 3 with a control valve is arranged at the top of the tank body and is used for adding a PH adjusting reagent such as acid to adjust the PH of the sewage so as to meet the PH requirement of the Fenton reaction; the top of the tank body also comprises a hydrogen peroxide inlet pipe 4 and a ferrous sulfate inlet pipe 5, and hydrogen hydroxide and ferrous sulfate with proper amount can be added according to the amount of sewage and the content of organic matters in the sewage detected in advance to generate effective Fenton reaction; the bottom of the tank body is provided with a drain pipe 6 for discharging the purified sewage.
And the feed inlet of the filtering device 7 is connected with the second outlet of the distillation retort 1 through a pipeline with a first delivery pump 8 and is used for filtering waste chips in the waste antifreezing solution, the waste chips are mainly metal waste chips, the waste chips can be collected and cleaned after being filtered and then are treated in a centralized manner, and if the waste chips are directly combusted, the waste chips cannot be effectively removed during incineration, fly ash is generated to cause secondary pollution.
And the incineration device can select an incineration spray gun 9, the incineration spray gun 9 is connected with a filtrate outlet of the filtering device 7, the filtrate is conveyed to the incineration spray gun 9 through a second conveying pump 10, and the atomized spray and the combustion-supporting gas are mixed and then are combusted in a hearth 11 by adopting the existing incineration technology. Because the filtrate is basically removed of water and scraps, the heat load is smaller during combustion and the generation of fly ash is less, thereby reducing the combustion energy consumption and improving the environmental protection benefit.
According to a preferable mode of this embodiment, the distillation apparatus is a reduced pressure distillation tank, and the distillation efficiency is improved by reduced pressure distillation. During operation, the pressure of the reduced pressure distillation tank can be controlled to be negative 0.12 atmosphere, the temperature is controlled to be 70-80 ℃, the evaporation efficiency of water is improved, and the volatilization of ethylene glycol steam is reduced.
According to a preferable scheme of the embodiment, the bottom of the tank body is also provided with a bubbling pipe 12, and O is introduced to the bottom of the tank body in a bubbling mode2On the one hand, the mixing of the reaction reagent and the wastewater during the Fenton reaction is promoted by bubbling, and on the other hand, the increase of O2The amount of the compound (A) increases the reaction effect of the Fenton reaction.
According to a preferred version of this embodiment, the filtration device is a pressure filtration device. The filter device is a closable structure and is externally connected with a gas source 13, such as an air compressor, preferably an inert gas source. Because the main component of the refrigerating fluid is glycol and the viscosity is high, the filtering device is pressurized, the filtering efficiency is improved, and the safety during filtering is ensured.
According to a preferred scheme of the embodiment, a buffer tank 14 is arranged between the first outlet of the distillation tank 1 and the tank body 2 of the reaction device and is used for accommodating non-water components carried in the vapor of the distillation device. The size of accessible adjustment buffer tank 14 and the length of buffer tank front and back connecting line for the higher organic component of boiling point deposits in the buffer tank in the distilled gas, reduces rear end sewage treatment's pressure, and the deposit liquid in buffer tank 14 can collect the back and return to in retort 1.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. A waste antifreeze treatment apparatus, comprising:
the distillation device is used for removing moisture in the waste anti-freezing liquid and comprises a first outlet for discharging evaporated gas and a second outlet for discharging non-evaporated liquid;
the reaction device is communicated with the first outlet of the distillation device through a pipeline and is used for carrying out Fenton reaction purification treatment on the sewage discharged by evaporation;
the feed inlet of the filtering device is connected with the second outlet of the distillation device through a pipeline with a delivery pump and is used for filtering waste chips in the waste antifreezing solution;
and the incineration device is connected with the filtrate outlet of the filtering device and is used for incinerating the filtrate.
2. The apparatus of claim 1, wherein the distillation apparatus is a vacuum distillation tank.
3. The waste antifreeze solution treatment device according to claim 1, wherein the reaction device comprises a tank, a pH meter is arranged inside the tank, a pH adjusting reagent inlet pipe, a hydrogen peroxide inlet pipe and a ferrous sulfate inlet pipe are arranged at the top of the tank, and a drain pipe is arranged at the bottom of the tank.
4. The waste antifreeze treatment apparatus of claim 3, wherein a bubbling pipe is further provided at the bottom of said tank.
5. The waste antifreeze treatment apparatus of claim 1, wherein said filtration apparatus is a pressure filtration apparatus.
6. The spent antifreeze treatment apparatus of claim 5, wherein said pressure filtration apparatus comprises a source of inert gas.
7. The apparatus of claim 1, wherein a buffer tank is installed between the distillation apparatus and the reaction apparatus for accommodating non-water components entrained in the vapor evaporated from the distillation apparatus.
8. The apparatus according to claim 1, wherein said incineration means is an incineration lance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020399790.6U CN212178901U (en) | 2020-03-25 | 2020-03-25 | Waste antifreezing solution treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020399790.6U CN212178901U (en) | 2020-03-25 | 2020-03-25 | Waste antifreezing solution treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212178901U true CN212178901U (en) | 2020-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020399790.6U Active CN212178901U (en) | 2020-03-25 | 2020-03-25 | Waste antifreezing solution treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212178901U (en) |
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2020
- 2020-03-25 CN CN202020399790.6U patent/CN212178901U/en active Active
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