Pentaerythritol production wastewater treatment device

Abstract

The utility model relates to the technical field of pentaerythritol wastewater treatment, and discloses a pentaerythritol production wastewater treatment device, which comprises a support frame, an oil-water separation tank is fixedly sleeved on the inner surface of the support frame, a sewage injection port is arranged on the outer surface of the oil-water separation tank, a wastewater treatment mechanism is arranged on the oil-water separation tank, and the wastewater treatment mechanism is connected with the oil-water separation tank. The wastewater treatment mechanism comprises a drain valve, a drain pipeline, an A / O reaction tank, a first communicating pipe, an aeration tower, a second communicating pipe, an oil pumping pipeline, a water suction pump, an oil storage tank, a BAC filter, a disinfection tank, a disinfection powder adding port and a water outlet pipe, and the drain valve is fixedly mounted on the lower surface of the oil-water separation tank. The methanol wastewater treatment method integrates hydrolytic acidification, an inverted membrane microporous aeration bio-contact oxidation A / O process, a membrane microporous aeration bio-contact oxidation tower, coagulating sedimentation, filtration and disinfection treatment processes to realize effective treatment of wastewater.

Description

Technical Field

[0001] The utility model relates to the technical field of pentaerythritol wastewater treatment, in particular to a pentaerythritol production wastewater treatment device. Background Art

[0002] Pentaerythritol is an important organic chemical raw material. As a raw material for producing paints, most of it is used in the synthesis of oil-modified alkyd resins. Compared with paints produced with glycerol, paints produced with pentaerythritol as raw material have higher film hardness, better gloss, stronger durability, improved color stability and fire resistance. It is used to synthesize drying oil. Tetranitropentaerythritol produced after nitration can be used as explosives. It is used as a raw material for petroleum antifreeze additives. It is used as a raw material for non-toxic plasticizers. It is used as a raw material for synthetic lubricants, polyvinyl chloride stabilizers, oil agents, chlorinated polyethers, antioxidants 1010, etc. It is used in the manufacture of pesticides and medicines.

[0003] At present, the treatment device for pentaerythritol production wastewater is mainly set up with a regulating tank + hydrolysis acidification tank + SBR, which has the following disadvantages: first, the pentaerythritol production wastewater contains oil, and the previous treatment device did not consider the oil removal process, which has a great impact on the subsequent biochemical treatment, and the effluent is difficult to stably meet the standards; second, the pentaerythritol production wastewater contains high concentrations of formaldehyde, and the previous treatment device did not consider the formaldehyde removal process. Under the influence of high concentrations of formaldehyde, it is difficult for the microorganisms of hydrolysis acidification and SBR to survive normally and decompose pollutants; third, the current treatment device does not consider the deep treatment of the back end, and the effluent is difficult to stably meet the emission standards. In view of this, a pentaerythritol production wastewater treatment device is now proposed. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a pentaerythritol production wastewater treatment device, which solves the problem of poor treatment of pentaerythritol production wastewater.

[0006] (II) Technical solution

[0007] In order to achieve the above-mentioned purpose of effectively treating pentaerythritol production wastewater, the utility model provides the following technical solutions: a pentaerythritol production wastewater treatment device, comprising a support frame, an oil-water separation tank is fixedly sleeved on the inner surface of the support frame, and a sewage injection port is arranged on the outer surface of the oil-water separation tank;

[0008] Among them, a wastewater treatment mechanism is arranged on the oil-water separation tank, and the wastewater treatment mechanism includes a drain valve, a drain pipe, an A / O reaction tank, a first connecting pipe, an aeration tower, a second connecting pipe, an oil extraction pipe, a water pump, an oil storage tank, a BAC filter, a disinfection tank, a disinfection powder addition port and a water outlet pipe.

[0009] Preferably, the drain valve is fixedly mounted on the lower surface of the oil-water separation tank, the drain pipe is fixedly mounted on the output end of the drain valve, and the A / O reaction tank is fixedly mounted on the output end of the drain pipe.

[0010] Preferably, the input end of the first connecting pipe is fixedly installed on the upper surface of the A / O reaction tank, and the aeration tower is fixedly installed on the output end of the first connecting pipe;

[0011] Wherein, the second connecting pipe is fixedly installed on the upper surface of the aeration tower.

[0012] Preferably, the input end of the oil extraction pipeline is fixedly mounted on the upper surface of the oil-water separation tank, and the oil storage tank is arranged at the output end of the oil extraction pipeline;

[0013] Wherein, the water pump is arranged on the outer surface of the oil extraction pipeline.

[0014] Preferably, the BAC filter is arranged on the outer surface of the second connecting pipe, and the disinfection tank is fixedly installed at the output end of the second connecting pipe.

[0015] Preferably, the disinfection powder adding port is fixedly installed on the upper surface of the disinfection tank, and the water outlet pipe is arranged on the outer surface of the disinfection tank.

[0016] (III) Beneficial effects

[0017] Compared with the prior art, the utility model provides a pentaerythritol production wastewater treatment device, which has the following beneficial effects:

[0018] 1. The pentaerythritol production wastewater treatment device realizes effective treatment of wastewater by integrating the methanol wastewater treatment method with hydrolysis acidification + inverted membrane microporous aeration biological contact oxidation A / O process + membrane microporous aeration biological contact oxidation tower + coagulation sedimentation + filtration + disinfection treatment process.

[0019] 2. The pentaerythritol production wastewater treatment device can effectively extract the oil layer after the oil-water separation tank is left to stand by using a pump, and perform effective separation, so as to facilitate the subsequent treatment of the pentaerythritol production wastewater. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the structure of a pentaerythritol production wastewater treatment device of the utility model;

[0021] Figure 2 This is a schematic diagram of the structure of the oil storage tank of the utility model;

[0022] Figure 3 It is a schematic diagram of the structure of the disinfection tank of the utility model.

[0023] In the figure: 1. Oil-water separation tank; 2. Sewage injection port; 3. Support frame; 4. Drain valve; 5. Drain pipe; 6. A / O reaction tank; 7. First connecting pipe; 8. Aeration tower; 9. Second connecting pipe; 10. Oil extraction pipeline; 11. Water pump; 12. Oil storage tank; 13. BAC filter; 14. Disinfection tank; 15. Disinfection powder addition port; 16. Water outlet pipe. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-3 The utility model provides a new technical solution: a pentaerythritol production wastewater treatment device, comprising a support frame 3, an oil-water separation tank 1 is fixedly sleeved on the inner surface of the support frame 3, and a sewage injection port 2 is arranged on the outer surface of the oil-water separation tank 1;

[0026] Among them, a wastewater treatment mechanism is arranged on the oil-water separation tank 1, and the wastewater treatment mechanism includes a drain valve 4, a drain pipe 5, an A / O reaction tank 6, a first connecting pipe 7, an aeration tower 8, a second connecting pipe 9, an oil extraction pipeline 10, a water pump 11, an oil storage tank 12, a BAC filter 13, a disinfection tank 14, a disinfection powder addition port 15 and a water outlet pipe 16.

[0027] Furthermore, the drain valve 4 is fixedly installed on the lower surface of the oil-water separation tank 1 , the drain pipe 5 is fixedly installed on the output end of the drain valve 4 , and the A / O reaction tank 6 is fixedly installed on the output end of the drain pipe 5 .

[0028] Further, the input end of the first connecting pipe 7 is fixedly installed on the upper surface of the A / O reaction tank 6, and the aeration tower 8 is fixedly installed on the output end of the first connecting pipe 7;

[0029] The second connecting pipe 9 is fixedly installed on the upper surface of the aeration tower 8 .

[0030] Furthermore, the input end of the oil extraction pipeline 10 is fixedly mounted on the upper surface of the oil-water separation tank 1, and the oil storage tank 12 is arranged at the output end of the oil extraction pipeline 10;

[0031] The water pump 11 is arranged on the outer surface of the oil extraction pipeline 10 .

[0032] Furthermore, the BAC filter 13 is arranged on the outer surface of the second connecting pipe 9 , and the disinfection tank 14 is fixedly installed at the output end of the second connecting pipe 9 .

[0033] Further, the disinfection powder adding port 15 is fixedly installed on the upper surface of the disinfection tank 14, and the water outlet pipe 16 is arranged on the outer surface of the disinfection tank 14;

[0034] When the pentaerythritol production wastewater treatment device is used, sewage is injected into the oil-water separation tank 1 through the sewage injection port. At this time, the oil and water are separated after standing still. The oil layer on the top is pumped out through the oil pumping pipeline 10 by starting the water pump 11 and pumped into the oil storage tank 12 for unified storage. At this time, the drain valve 4 is opened to discharge the sewage containing methanol into the A / O reaction tank 6 through the drain pipeline for treatment. After the treatment, most of the biodegradable organic matter is removed, and the biodegradability of the organic matter that is difficult to biodegrade is significantly improved to a certain extent, which is due to the degradation effect of facultative bacteria, reduces the biological toxicity of the wastewater, improves its biodegradability, and creates favorable conditions for the subsequent aeration biological oxidation tower treatment. At this time, the sewage passes through the first A connecting pipe 7 enters the aeration tower 8. At this time, the role of the aeration internal circulation biological reaction tower of the aeration tower 8 is to degrade most of the remaining organic matter in the water under aerobic conditions, thereby effectively removing the organic matter in the water. At this time, the sewage is discharged through the second connecting pipe 9, and the effluent enters the BAC filter. Through the filtering and interception of the activated carbon filter material, the suspended matter and the substances that cannot be biodegraded are effectively removed, so that the effluent meets the standard requirements. The filtered effluent enters the disinfection tank 14 to store the treated reused water, and disinfection powder is added through the disinfection powder adding port. After disinfection, it plays a stabilizing and regulating role on the reused water quality to meet the discharge standard. At this time, the treated wastewater can be discharged through the outlet pipe 16;

[0035] The pentaerythritol production wastewater treatment device realizes effective treatment of wastewater by integrating the methanol wastewater treatment method with hydrolysis acidification + inverted membrane microporous aeration biological contact oxidation A / O process + membrane microporous aeration biological contact oxidation tower + coagulation sedimentation + filtration + disinfection treatment process. The pentaerythritol production wastewater treatment device can effectively extract the oil layer after the oil-water separation tank is left to stand by a pump, and effectively separate it, so as to facilitate the subsequent treatment of the pentaerythritol production wastewater.

[0036] Working principle: When the pentaerythritol production wastewater treatment device is used, sewage is injected into the oil-water separation tank 1 through the sewage injection port. At this time, the oil and water are separated after standing still. The oil layer on the top is pumped out through the oil pumping pipeline 10 by starting the water pump 11 and pumped into the oil storage tank 12 for unified storage. At this time, the drain valve 4 is opened to discharge the sewage containing methanol into the A / O reaction tank 6 through the drainage pipeline for treatment. After treatment, most of the biodegradable organic matter is removed, and at the same time, the biodegradability of the organic matter that is difficult to biodegrade is significantly improved to a certain extent, which is due to the degradation effect of facultative bacteria, reduces the biological toxicity of the wastewater, improves its biodegradability, and creates favorable conditions for the subsequent aeration biological oxidation tower treatment. At this time, the sewage is The wastewater enters the aeration tower 8 through the first connecting pipe 7. At this time, the aeration internal circulation biological reaction tower of the aeration tower 8 degrades most of the remaining organic matter in the water under aerobic conditions, thereby effectively removing the organic matter in the water. At this time, the sewage is discharged through the second connecting pipe 9, and the effluent enters the BAC filter. Through the filtering and interception of the activated carbon filter material, the suspended matter and the substances that cannot be biodegraded are effectively removed, so that the effluent meets the use standard requirements. The filtered effluent enters the disinfection tank 14 to store the treated reused water, and disinfection powder is added through the disinfection powder adding port. After disinfection, the reused water quality is stabilized and adjusted to meet the discharge standard. At this time, the treated wastewater can be discharged through the outlet pipe 16.

[0037] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pentaerythritol production wastewater treatment device, comprising a support frame (3), an oil-water separation tank (1) is fixedly sleeved on the inner surface of the support frame (3), characterized in that: The outer surface of the oil-water separation tank (1) is provided with a sewage injection port (2); The oil-water separation tank (1) is provided with a wastewater treatment mechanism, which comprises a discharge valve (4), a discharge pipe (5), an A / O reaction tank (6), a first connecting pipe (7), an aeration tower (8), a second connecting pipe (9), an oil extraction pipe (10), a water pump (11), an oil storage tank (12), a BAC filter (13), a disinfection tank (14), a disinfection powder addition port (15) and a water outlet pipe (16).

2. A pentaerythritol production wastewater treatment device according to claim 1, characterized in that: The drain valve (4) is fixedly mounted on the lower surface of the oil-water separation tank (1), the drain pipe (5) is fixedly mounted on the output end of the drain valve (4), and the A / O reaction tank (6) is fixedly mounted on the output end of the drain pipe (5).

3. A pentaerythritol production wastewater treatment device according to claim 1, characterized in that: The input end of the first connecting pipe (7) is fixedly mounted on the upper surface of the A / O reaction tank (6), and the aeration tower (8) is fixedly mounted on the output end of the first connecting pipe (7); The second connecting pipe (9) is fixedly installed on the upper surface of the aeration tower (8).

4. A pentaerythritol production wastewater treatment device according to claim 1, characterized in that: The input end of the oil extraction pipeline (10) is fixedly mounted on the upper surface of the oil-water separation tank (1), and the oil storage tank (12) is arranged at the output end of the oil extraction pipeline (10); Wherein, the water pump (11) is arranged on the outer surface of the oil extraction pipeline (10).

5. A pentaerythritol production wastewater treatment device according to claim 1, characterized in that: The BAC filter (13) is arranged on the outer surface of the second connecting pipe (9), and the disinfection tank (14) is fixedly installed on the output end of the second connecting pipe (9).

6. A pentaerythritol production wastewater treatment device according to claim 1, characterized in that: The disinfection powder adding port (15) is fixedly mounted on the upper surface of the disinfection tank (14), and the water outlet pipe (16) is arranged on the outer surface of the disinfection tank (14).

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