CN212894270U - Tetrahydrofuran wastewater treatment device - Google Patents
Tetrahydrofuran wastewater treatment device Download PDFInfo
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- CN212894270U CN212894270U CN202021492696.1U CN202021492696U CN212894270U CN 212894270 U CN212894270 U CN 212894270U CN 202021492696 U CN202021492696 U CN 202021492696U CN 212894270 U CN212894270 U CN 212894270U
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Abstract
The utility model belongs to the technical field of wastewater treatment devices, in particular to a tetrahydrofuran wastewater treatment device, which comprises a bottom plate, wherein a bracket and a reaction tank are sequentially and fixedly arranged on the upper end surface of the bottom plate from left to right, a liquid storage tank is fixedly arranged at the top end between two supporting legs of the bracket, the top end of the liquid storage tank is communicated with a water inlet pipe, an electrolytic tank is fixedly arranged in the liquid storage tank, an exhaust pipe and a water supply pipe are sequentially communicated with the right side wall of the liquid storage tank from top to bottom, the right end of the water supply pipe is communicated with the left side wall of the reaction tank, the reaction tank is fixedly arranged in the middle of the interior of the reaction tank, a detection box is arranged on the left side of the reaction tank, so that the tetrahydrofuran wastewater is subjected to electrolytic separation in the liquid storage tank, then is oxidized after the electrolytic separation, and the obtained clean water after the oxidation, and then clean water containing no tetrahydrofuran is discharged.
Description
Technical Field
The utility model relates to a waste water treatment device technical field, concretely relates to tetrahydrofuran effluent treatment plant.
Background
Tetrahydrofuran is an important organic chemical raw material, has the advantages of low toxicity, low boiling point, good fluidity and the like, is widely used as a reactive solvent, is called as a universal solvent, is also widely applied to processing and producing engineering plastics, thermosetting and thermoplastic elastomers, leathers, medical intermediates, adhesives and various organic chemical reactions by synthetic resins and natural resins, causes no attention to countries all over the world due to pollution caused by tetrahydrofuran as an intermediate product in the production of tetrahydrofuran or other chemical products, only Germany lists tetrahydrofuran in a black list of environment-preferred pollutants in toxic organic species which are mainly controlled in countries, and has been concerned by people with the rapid increase of the consumption of tetrahydrofuran industry, the treatment of tetrahydrofuran-containing waste water and the evaluation of the influence of tetrahydrofuran on human bodies and the environment, and tetrahydrofuran is a toxic, namely, Volatile heterocyclic organic compounds are difficult to degrade substances through structural analysis and have great harm to human health, and the biodegradation characteristics of pyrrole, imipramine, and pyridine compounds in single heterocyclic compounds have been researched and reported to different degrees, but few researches are made in the literature on the treatment of tetrahydrofuran wastewater.
The existing wastewater treatment device has the problems that the treatment effect is poor due to the fact that tetrahydrofuran belongs to refractory substances through structural analysis, a single water treatment technology is adopted, the wastewater cannot run due to the refractory property and the toxicity, the treatment efficiency is low in the water treatment process after the tetrahydrofuran wastewater is treated, whether tetrahydrofuran in water is completely treated cannot be determined, and the tetrahydrofuran is toxic and cannot be completely treated, so that the human health is greatly harmed.
SUMMERY OF THE UTILITY MODEL
For solving the problem that proposes in the above-mentioned background art, the utility model provides a tetrahydrofuran effluent treatment plant has and will contain tetrahydrofuran waste water and carry out the electrolytic separation at holding the liquid jar, carries out the oxidation again after the electrolytic separation to and discharge the clean water that obtains after will oxidizing earlier after detecting, and then discharge the characteristics that do not contain tetrahydrofuran's clean water again.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a tetrahydrofuran effluent treatment plant, includes the bottom plate, there are support and retort in proper order to the right side in the up end of bottom plate, top fixed mounting between two landing legs of support has the liquid jar of holding, the top intercommunication that holds the liquid jar has the inlet tube, the inside fixed mounting that holds the liquid jar has the electrolysis trough, the right side wall that holds the liquid jar is from last to having blast pipe and delivery pipe to intercommunication in proper order down, the right-hand member of delivery pipe and the left side wall intercommunication of retort, fixed mounting has the reaction tank in the middle of the inside of retort, the left side of retort is provided with the detection case, the upper end fixed mounting of the right side wall of retort has the oxidant case, the lower extreme intercommunication of the right side wall of retort has drain pipe and blow off pipe.
In order to detect whether the tetrahydrofuran that contains in the waste water handles totally, as the utility model relates to a tetrahydrofuran effluent treatment plant is preferred, the bottom intercommunication of the left side wall of retort has the bleeder, the lateral wall fixed mounting of bleeder has the second solenoid valve, the bottom and the bleeder intercommunication of detection case.
In order to discharge the mud of the waste water after will handling and the mud that the reaction is settled, as the utility model relates to a tetrahydrofuran effluent treatment plant is preferred, the inside bottom fixed mounting of retort has the sludge impoundment, sludge impoundment and blow off pipe intercommunication.
In order to clear away the clean water discharge of tetrahydrofuran, conduct the utility model relates to a tetrahydrofuran effluent treatment plant is preferred, the drain pipe is located the top of blow off pipe, the lateral wall of drain pipe is provided with the switch.
Get into the retort in order to control the waste water of retaining jar, conduct the utility model relates to a tetrahydrofuran effluent treatment plant is preferred, the lateral wall fixed mounting of delivery pipe has first solenoid valve.
In order to make the oxidant in the oxidant case get into the retort, as the utility model relates to a tetrahydrofuran effluent treatment plant is preferred, the oxidant case passes through the pipeline with the retort and communicates.
Compared with the prior art, the beneficial effects of the utility model are that:
1. this kind of tetrahydrofuran effluent treatment plant, with blast pipe and the gaseous gas piping connection of collection, will hold the waste water that the jar was injected into and contains tetrahydrofuran through the water inlet, hold the waste water injection in the jar back that holds, the electrolysis trough intussuseption is filled with little electrolysis material, little electrolysis material in the electrolysis trough carries out electrolysis treatment with waste water, reach the purpose of degradation organic pollutant, the hydrogen gas that the electrolysis produced gets into gas piping from blast pipe discharge and collects, after holding the waste water electrolysis in the jar and accomplish, can produce Fe2+And opening the first electromagnetic valve, enabling the waste water in the liquid storage tank to flow into the reaction tank, carrying out electrolytic separation on the waste water containing tetrahydrofuran in the liquid storage tank, and oxidizing after the electrolytic separation.
2. According to the tetrahydrofuran wastewater treatment device, an oxidant is placed in an oxidant box, the oxidant in the oxidant box flows into a reaction tank through a pipeline, and wastewater flowing into the reaction tank contains Fe2+After decomposition by an oxidizing agent, the oxidizing agent decomposes tetrahydrofuran, Fe2+Further oxidized to Fe3+，Fe2+And Fe3+The hydrate has stronger adsorption flocculation activity, other impurities in the reaction tank and sediment generated after tetrahydrofuran is decomposed are adsorbed and condensed into sludge, and the sludge falls and settles in the sludgeIn the inslot, open the second solenoid valve, water in the retort gets into in the detection case, then detect the clean water in the detection case, whether contain tetrahydrofuran, if contain tetrahydrofuran and continue to add the oxidizer and separate, if not, then water in the retort is clean water, and in the retort, clean water level in the top of mud after the decomposition, open the switch on the drain pipe, clean water is discharged from the drain pipe, open the blow off pipe, discharge mud, thereby discharge the clean water that obtains after will oxidizing and discharge after detecting earlier, and then discharge the clean water that does not contain tetrahydrofuran.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
In the drawings:
FIG. 1 is a schematic diagram of a tetrahydrofuran wastewater treatment apparatus according to the present invention;
FIG. 2 is a sectional view of the tetrahydrofuran wastewater treatment apparatus of the present invention.
In the figure, 1, a bottom plate; 2. a support; 3. a liquid storage tank; 301. a water inlet pipe; 302. an electrolytic cell; 4. an exhaust pipe; 5. a reaction tank; 501. a drain pipe; 502. a blow-off pipe; 503. a reaction tank; 504. a sludge tank; 6. a water supply pipe; 601. a first solenoid valve; 7. an oxidant tank; 8. a detection box; 801. a second solenoid valve; 802. a water discharge pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely 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 thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1-2, the present invention provides the following technical solutions: the utility model provides a tetrahydrofuran effluent treatment plant, comprising a base plate 1, there are support 2 and retort 5 in proper order fixed mounting from a left side to the right side in the up end of bottom plate 1, top fixed mounting between two landing legs of support 2 has liquid jar 3, the top intercommunication that holds liquid jar 3 has inlet tube 301, the inside fixed mounting that holds liquid jar 3 has electrolysis trough 302, the right side wall that holds liquid jar 3 is from last to having blast pipe 4 and delivery pipe 6 to intercommunication down in proper order, the right-hand member of delivery pipe 6 and retort 5's left side wall intercommunication, fixed mounting has reaction tank 503 in the middle of retort 5's inside, retort 5's left side is provided with detection case 8, the upper end fixed mounting of retort 5's right side wall has oxidant case 7, the lower extreme intercommunication of retort 5's right side wall has drain pipe 501 and blow off pipe.
In this embodiment: the exhaust pipe 4 is connected with a gas pipeline for collecting gas, waste water containing tetrahydrofuran is injected into the liquid storage tank 3 through the water inlet pipe 301, after the waste water in the liquid storage tank 3 is injected, the electrolytic tank 302 is filled with micro-electrolysis materials, the micro-electrolysis materials in the electrolytic tank 302 carry out electrolysis treatment on the waste water, the purpose of degrading organic pollutants is achieved, hydrogen gas generated by electrolysis is discharged from the exhaust pipe 4 and enters the gas pipeline for collection, and after the waste water in the liquid storage tank 3 is electrolyzed, Fe can be generated2+When the first solenoid valve 601 is opened, the waste water in the reservoir tank 3 flows into the reaction tank 5, the oxidizing agent is put into the oxidizing agent tank 7, the oxidizing agent in the oxidizing agent tank 7 flows into the reaction tank 5 through the pipe, and the waste water flowing into the reaction tank 5 contains Fe2+After decomposition by an oxidizing agent, the oxidizing agent decomposes tetrahydrofuran, Fe2+Further oxidized to Fe3+，Fe2+And Fe3+The hydrate has strong adsorption flocculation activity, other impurities in the reaction tank 5 and precipitates generated after the tetrahydrofuran is decomposed are adsorbed and condensed into sludge, the sludge falls and settles in the sludge tank 504, the second electromagnetic valve 801 is opened, water in the reaction tank 5 enters the detection box 8, then clean water in the detection box 8 is detected, whether the sludge contains the tetrahydrofuran or not is judged, if the sludge contains the tetrahydrofuran, the oxidizing agent is continuously added for separation, if the sludge does not contain the tetrahydrofuran, the water in the reaction tank 5 is clean water, in the reaction tank 5, the decomposed clean water is located above the sludge, a switch on the drain pipe 501 is opened, the clean water is discharged from the drain pipe 501, and the drain pipe 502 is opened to discharge the sludge.
As a technical optimization scheme of the utility model, the bottom intercommunication of the left side wall of retort 5 has bleeder 802, and bleeder 802's lateral wall fixed mounting has second solenoid valve 801, and the bottom and the bleeder 802 of detection case 8 communicate.
In this embodiment: through setting up the bleeder 802, tetrahydrofuran in retort 5 passes through the oxidant and decomposes the back, detect clean water in retort 5, open second solenoid valve 801, water in retort 5 gets into behind bleeder 802, and then get into in the detection case 8, then close second solenoid valve 801, then detect the clean water in the detection case 8, whether contain tetrahydrofuran, if contain tetrahydrofuran and continue to add the oxidant and separate, if not, then the water in retort 5 is clean water, then can discharge.
As a technical optimization scheme of the utility model, the inside bottom fixed mounting of retort 5 has sludge tank 504, sludge tank 504 and blow off pipe 502 intercommunication.
In this embodiment: the wastewater flowing into the reaction tank 5 contains Fe2+After decomposition by an oxidizing agent, the oxidizing agent decomposes tetrahydrofuran, Fe2+Further oxidized to Fe3+，Fe2+And Fe3+The hydrate has stronger adsorption flocculation activity, other impurities in the reaction tank 5 and precipitates generated after the tetrahydrofuran is decomposed are adsorbed and condensed into sludge, the sludge falls and settles in the sludge tank 504, and the sludge is pollutedThe sludge tank 504 is communicated with the sewage discharge pipe 502, the sewage discharge pipe 502 is opened, and the sludge in the sludge tank 504 enters the sewage discharge pipe 502 to be discharged.
As a technical optimization scheme of the utility model, drain pipe 501 is located blow off pipe 502's top, and drain pipe 501's lateral wall is provided with the switch.
In this embodiment: the sludge generated in the reaction tank 5 is settled in the sludge groove 504, and in the reaction tank 5, the decomposed clean water is above the sludge, and the clean water in the reaction tank 5 is discharged from the drain pipe 501 by arranging the drain pipe 501 above the sewage discharge pipe 502 and opening the switch on the drain pipe 501.
As a technical optimization scheme of the utility model, the lateral wall fixed mounting of delivery pipe 6 has first solenoid valve 601.
In this embodiment: after the electrolytic bath 302 in the reservoir tank 3 has electrolyzed the wastewater, the first solenoid valve 601 is opened, and the wastewater in the reservoir tank 3 enters the water supply pipe 6 and further flows into the reaction tank 5 to be decomposed.
As a technical optimization scheme of the utility model, the oxidant case 7 is communicated with the reaction tank 5 through a pipeline.
In this embodiment: after wastewater is injected into the reaction tank 5, an oxidizing agent is injected into the oxidizing agent tank 7, and the oxidizing agent in the oxidizing agent tank 7 flows into the reaction tank 5 through a pipe, thereby decomposing the wastewater.
The utility model discloses a theory of operation and use flow: firstly, connecting an exhaust pipe 4 with a gas pipeline for collecting gas, injecting wastewater containing tetrahydrofuran into a liquid storage tank 3, filling a micro-electrolysis material into an electrolytic tank 302 after the wastewater in the liquid storage tank 3 is injected, electrolyzing the wastewater by the micro-electrolysis material in the electrolytic tank 302 to achieve the purpose of degrading organic pollutants, discharging hydrogen gas generated by electrolysis from the exhaust pipe 4, collecting the hydrogen gas in the gas pipeline, opening a first electromagnetic valve 601 after the wastewater in the liquid storage tank 3 is electrolyzed, allowing the wastewater in the liquid storage tank 3 to flow into a reaction tank 5, adding an oxidant into an oxidant tank 7, allowing the oxidant in the oxidant tank 7 to flow into the reaction tank 5 through the pipeline to decompose the wastewater, and decomposing the electrolyzed Fe2+Is further oxidized intoFe3+，Fe2+And Fe3+The hydrate of (2) has stronger adsorption flocculation activity, other impurities in the reaction tank 5 and sediment generated after tetrahydrofuran decomposition are adsorbed and condensed into sludge, in the reaction tank 5, the decomposed clean water is positioned above the sludge, the second electromagnetic valve 801 is opened, the water in the reaction tank 5 enters the detection box 8, then the clean water in the detection box 8 is detected, whether tetrahydrofuran is contained or not is detected, if tetrahydrofuran is contained, oxidizing agent is continuously added for separation, if not, the water in the reaction tank 5 is clean water, a switch on the drain pipe 501 is opened, the clean water is discharged from the drain pipe 501, the drain pipe 502 is opened, and the sludge is discharged.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The utility model provides a tetrahydrofuran effluent treatment plant, includes bottom plate (1), its characterized in that: the upper end surface of the bottom plate (1) is fixedly provided with a bracket (2) and a reaction tank (5) from left to right in turn, a liquid storage tank (3) is fixedly arranged at the top end between the two supporting legs of the bracket (2), the top end of the liquid storage tank (3) is communicated with a water inlet pipe (301), an electrolytic cell (302) is fixedly arranged in the liquid storage tank (3), the right side wall of the liquid storage tank (3) is sequentially communicated with an exhaust pipe (4) and a water supply pipe (6) from top to bottom, the right end of the water supply pipe (6) is communicated with the left side wall of the reaction tank (5), a reaction tank (503) is fixedly arranged in the middle of the interior of the reaction tank (5), a detection box (8) is arranged on the left side of the reaction tank (5), an oxidant box (7) is fixedly arranged at the upper end of the right side wall of the reaction tank (5), the lower end of the right side wall of the reaction tank (5) is communicated with a drain pipe (501) and a drain pipe (502).
2. The apparatus for treating tetrahydrofuran wastewater according to claim 1, wherein: the bottom of the left side wall of the reaction tank (5) is communicated with a water discharge pipe (802), the outer side wall of the water discharge pipe (802) is fixedly provided with a second electromagnetic valve (801), and the bottom of the detection box (8) is communicated with the water discharge pipe (802).
3. The apparatus for treating tetrahydrofuran wastewater according to claim 1, wherein: the inside bottom fixed mounting of retort (5) has sludge tank (504), sludge tank (504) and blow off pipe (502) intercommunication.
4. The apparatus for treating tetrahydrofuran wastewater according to claim 1, wherein: the drain pipe (501) is positioned above the sewage draining pipe (502), and a switch is arranged on the outer side wall of the drain pipe (501).
5. The apparatus for treating tetrahydrofuran wastewater according to claim 1, wherein: and a first electromagnetic valve (601) is fixedly arranged on the outer side wall of the water supply pipe (6).
6. The apparatus for treating tetrahydrofuran wastewater according to claim 1, wherein: the oxidant box (7) is communicated with the reaction tank (5) through a pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021492696.1U CN212894270U (en) | 2020-07-25 | 2020-07-25 | Tetrahydrofuran wastewater treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021492696.1U CN212894270U (en) | 2020-07-25 | 2020-07-25 | Tetrahydrofuran wastewater treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212894270U true CN212894270U (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021492696.1U Active CN212894270U (en) | 2020-07-25 | 2020-07-25 | Tetrahydrofuran wastewater treatment device |
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| CN (1) | CN212894270U (en) |
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- 2020-07-25 CN CN202021492696.1U patent/CN212894270U/en active Active
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