CN209940713U

CN209940713U - High-concentration organic wastewater pretreatment equipment

Info

Publication number: CN209940713U
Application number: CN201920716427.XU
Authority: CN
Inventors: 侯正; 王武权
Original assignee: Hunan Xialang Environmental Protection Technology Co Ltd
Current assignee: Hunan Xialang Environmental Protection Technology Co Ltd
Priority date: 2019-05-20
Filing date: 2019-05-20
Publication date: 2020-01-14
Anticipated expiration: 2029-05-20

Abstract

The utility model discloses a high-concentration organic wastewater pretreatment equipment, which comprises a wastewater treatment equipment main body, a support, a water collecting hopper, a water outlet vent, a water inlet, an aeration air inlet, an air stripping air inlet, a direct current terminal box, a top cover, a cathode, an anode, an air stripping pipe, an internal constructional column, an aeration pipe, a catalyst, a backwashing water outlet, an equipment shell, a direct current power supply, electrolyte, a filter screen, a first pipeline and a second pipeline, wherein the support is arranged at the bottom end of the wastewater treatment equipment main body, the equipment shell is fixedly welded on the outer wall at the top end of the support, the top cover is sleeved on the outer wall at the top end of the equipment shell, the cathode adopts an inert electrode, the anode adopts an alloy electrode, the electrode can not generate consumption in the wastewater treatment process, belongs to a catalytic oxidation method, and is a method which takes direct current as a driving force, and simultaneously under the participation of, an equipment for pretreating high-concentration organic wastewater.

Description

High-concentration organic wastewater pretreatment equipment

Technical Field

The utility model relates to an organic wastewater treatment equips technical field, specifically is a high concentration organic wastewater pretreatment equipment.

Background

The high-concentration organic wastewater generally refers to wastewater with COD (chemical oxygen demand) of more than 2000mg/L discharged by pharmaceutical, chemical, paper-making, leather, food and other industries, the boiling water contains a large amount of organic matters such as carbohydrate, fat, protein, cellulose and the like, if the organic matters are directly discharged, serious pollution is caused, the pollution degree of high-concentration organic wastewater to the environmental water body is large, and the treatment difficulty is high, so the treatment of high-concentration organic wastewater becomes necessary, and the prior pretreatment methods for high-concentration organic wastewater are mainly divided into three methods, namely a physical method, a physical and chemical method and a chemical method, physical methods such as coagulating sedimentation, air flotation and filtration mainly aim at suspended matters and colloidal substances in sewage, the method has no removal effect on soluble organic pollutants in the high-concentration organic wastewater, and has no effect on removing the toxicity of the high-concentration organic wastewater and improving the biodegradability; the method has large floor area; the application of the physical-chemical method needs to meet the requirement of 'similar and compatible', the application range is limited, toxicity still exists in the presence of unrecovered residual organic pollutants, and the biodegradability cannot be improved; chemical methods such as neutralization method and chemical precipitation method have no effect on treatment of organic matters aiming at heavy metal ions in sewage, the Fenton method has large dosage, high operation cost and large sludge production amount, and wet oxidation method and supercritical oxidation method require reaction at high temperature and high pressure, so that the energy consumption is high, the operation cost is high, the high-temperature and high-pressure stability and corrosion resistance of equipment materials are high, and the equipment investment is high.

Disclosure of Invention

An object of the utility model is to provide a high concentration organic waste water preliminary treatment is equipped to solve the problem that proposes in the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: a high-concentration organic wastewater pretreatment device comprises a wastewater treatment device main body, a support, a water collecting hopper, a water outlet vent, a water inlet, an aeration air inlet, an air stripping air inlet, a direct current terminal box, a top cover, a cathode, an anode, an air stripping pipe, an internal constructional column, an aeration pipe, a catalyst, a backwashing water outlet, a device shell, a direct current power supply, electrolyte, a filter screen, a first pipeline and a second pipeline, wherein the support is arranged at the bottom end of the wastewater treatment device main body, the device shell is fixedly welded on the outer wall of the top end of the support, the top cover is sleeved on the outer wall of the top end of the device shell, the water inlet is formed in the center of the outer wall of the top end of one side of the device shell, the direct current terminal box is fixedly welded on the outer wall of the device shell, which is positioned on the opposite side of the water inlet, the electrolytic device is characterized in that a catalyst is arranged inside the electrolyte, an air stripping air inlet and an aeration air inlet are respectively formed in the outer wall of the top end of one side of the device shell, a first pipeline is fixedly connected inside the air stripping air inlet, an air stripping pipe is connected to the outer wall of one end of the first pipeline in a through mode, a second pipeline is fixedly connected inside the aeration air inlet, an aeration pipe is connected to the outer wall of one end of the second pipeline in a through mode, a cathode and an anode are respectively and fixedly connected to the inner walls of the bottom ends of the two sides of the device shell and are respectively inserted into the electrolyte, internal constructional columns are distributed and welded and fixed to the inner walls of the top ends of the two sides of the device shell, a water collecting hopper is welded and fixed to the outer wall of the bottom end of the device shell.

Further, the cathode is an inert electrode and the anode is an alloy electrode.

Further, the filter screen is installed at the junction of equipment shell and water collecting bucket.

Furthermore, one side of the direct current junction box is connected with a direct current power supply through a wire, and the direct current power supply is low-voltage and high-current direct current.

Further, the number of the internal construction columns is four, and the stripper tube is placed between adjacent internal construction columns.

Furthermore, the aeration pipe is an L-shaped pipeline and is inserted in the electrolyte.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is: the utility model provides a development that high concentration organic waste water treatment equipment, the shortcoming of above-mentioned method has been overcome, what the negative pole in this equipment adopted is the inert electrode, what the positive pole adopted is the alloy electrode, and this electrode can not produce the consumption in the waste water treatment process, the long-term use of electrode has been guaranteed, this equipment belongs to one kind of catalytic oxidation method, it is as drive power to indicate to provide a small amount of direct current, simultaneously under the special catalyst of this company development participates in, carry out a equipment of preliminary treatment to high concentration organic waste water, and this direct current adopts low-voltage, high current type direct current, strengthen life, reduce the energy consumption, this equipment has that equipment takes up an area of for a short time, be suitable for pH scope broad, normal atmospheric temperature and pressure is down moved, the mud production is few, and easy operation, catalyst service life is long, the polar plate does not consume, no secondary pollution, etc. advantages.

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 view of the overall front view structure of the present invention;

FIG. 2 is a schematic view of the overall front view cutting structure of the present invention;

fig. 3 is a schematic view of the overall top view structure of the present invention.

In the figure: 1. a wastewater treatment equipment main body; 2. a support; 3. a water collecting hopper; 4. a water outlet vent; 5. a water inlet; 6. an aeration air inlet; 7. a gas stripping gas inlet; 8. a direct current junction box; 9. a top cover; 10. a cathode; 11. an anode; 12. a gas stripping tube; 13. an internal construction column; 14. an aeration pipe; 15. a catalyst; 16. backwashing a water outlet; 17. equipping a shell; 18. a direct current power supply; 19. an electrolyte; 20. filtering with a screen; 21. a first conduit; 22. a second conduit.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only 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.

Referring to fig. 1-3, the present invention provides a technical solution: a high-concentration organic wastewater pretreatment device comprises a wastewater treatment device main body 1, a support 2, a water collecting hopper 3, a water outlet vent 4, a water inlet 5, an aeration air inlet 6, an air stripping air inlet 7, a direct current power supply box 8, a top cover 9, a cathode 10, an anode 11, an air stripping pipe 12, an internal constructional column 13, an aeration pipe 14, a catalyst 15, a backwashing water outlet 16, a device shell 17, a direct current power supply 18, an electrolyte 19, a filter screen 20, a first pipeline 21 and a second pipeline 22, wherein the bottom end of the wastewater treatment device main body 1 is provided with the support 2, the device shell 17 is fixedly welded on the outer wall of the top end of the support 2, the top cover 9 is sleeved on the outer wall of the top end of the device shell 17, the water inlet 5 is arranged in the center of the outer wall of the top end of one side of the device shell 17, the direct current power supply box 8 is fixedly welded on the outer wall of the, an electrolyte 19 is arranged in the equipment shell 17, a catalyst 15 is arranged in the electrolyte 19, a gas stripping air inlet 7 and an aeration air inlet 6 are respectively arranged on the outer wall of the top end of one side of the equipment shell 17, a first pipeline 21 is fixedly connected in the gas stripping air inlet 7, an air stripping pipe 12 is connected on the outer wall of one end of the first pipeline 21 in a penetrating way, a second pipeline 22 is fixedly connected in the aeration air inlet 6, an aeration pipe 14 is connected on the outer wall of one end of the second pipeline 22 in a penetrating way, a cathode 10 and an anode 11 are respectively and fixedly connected on the inner walls of the bottom ends of the two sides of the equipment, the cathode 10 and the anode 11 are respectively inserted in the electrolyte 19, the inner walls of the top ends of the two sides of the equipment shell 17 are fixedly distributed and welded with internal constructional columns 13, the outer wall of the bottom end of the equipment shell 17 is fixedly welded with a water collecting hopper 3, and the outer wall of one side of the bottom end of the water collecting hopper 3 is fixedly welded with a water outlet vent 4; the cathode 10 is an inert electrode, and the anode 11 is an alloy electrode, which is beneficial to the long-term use of the electrode plate; a filter screen 20 is arranged at the joint of the equipment shell 17 and the water collecting hopper 3, so that the loss of the catalyst 15 in the electrolyte 19 is prevented; one side of the direct current junction box 8 is connected with a direct current power supply 18 through a wire, the direct current power supply 18 is a low-voltage and high-current direct current, and the power supply is a safe power supply, so that the safety in use is ensured; the number of internal construction columns 13 is four, and the gas stripping tubes 12 are placed between adjacent internal construction columns 13, and play a role in fixing the gas stripping tubes 12; the aeration pipe 14 is an L-shaped pipeline, and the aeration pipe 14 is inserted in the electrolyte 19, so that oxygen is dissolved in the electrolyte 19; when the high-concentration organic wastewater pretreatment equipment is used, firstly, organic wastewater is injected through the water inlet 5, then the direct current junction box 8 is connected with the direct current power supply 18 through a wire, then the direct current power supply 18 is turned on to electrify the device, at the moment, anions in the wastewater treatment equipment main body 1 move to the anode 11, cations move to the cathode 10, under the action of the catalyst 15, the internal chemical reaction is rapidly and stably carried out, at the moment, the blower is started, air enters the second pipeline 22 through the aeration air inlet 6 and then is conveyed into the aeration pipe 14, and then the air enters the electrolyte 19 through the other end of the aeration pipe 14, so that the oxygen content in the treatment device is increased in the process, and the reaction speed is accelerated. Then under the action of the air stripping air inlet 7, air is introduced into the air stripping pipe 12, the catalyst 15 rolls in the electrolyte 19, the catalytic action of the catalyst 15 is increased, the cleaning speed of the organic wastewater is accelerated, then the wastewater after cleaning enters the water collecting hopper 3 through the filter screen 20 and then flows out of the water outlet vent 4, and in the process, the rate of treating the wastewater can be changed by changing the distance between the electrode plates, the change of the electrode plate materials and the type of the catalyst 15.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a high concentration organic waste water preliminary treatment equipment, equip main part (1) including waste water treatment, support (2), water collecting hopper (3), go out water drain (4), water inlet (5), aeration air inlet (6), gas stripping air inlet (7), direct current terminal box (8), top cap (9), negative pole (10), positive pole (11), gas lift pipe (12), inside constructional column (13), aeration pipe (14), catalyst (15), backwash delivery port (16), equip shell (17), direct current power supply (18), electrolyte (19), filter screen (20), first pipeline (21) and second pipeline (22), its characterized in that: the bottom end of the wastewater treatment equipment main body (1) is provided with a support (2), the top end outer wall of the support (2) is fixedly welded with an equipment shell (17), the top end outer wall of the equipment shell (17) is sleeved with a top cover (9), the center of the top end outer wall of one side of the equipment shell (17) is provided with a water inlet (5), the top end outer wall of one side of the equipment shell (17) is fixedly welded with a direct current junction box (8), the outer wall of the equipment shell (17) which is positioned at the opposite side of the water inlet (5) is fixedly welded with a backwashing water outlet (16), the equipment shell (17) is internally provided with electrolyte (19), the electrolyte (19) is internally provided with a catalyst (15), the top end outer wall of one side of the equipment shell (17) is respectively provided with an air stripping air inlet (7) and an aeration air inlet (6), the air stripping air inlet (7), the utility model discloses an equipment shell, including equipment shell (17), first pipeline (21), one end outer wall of first pipeline (21) go up through connection and have air-lift pipe (12), the inside fixedly connected with second pipeline (22) of aeration air inlet (6), the one end outer wall of second pipeline (22) goes up through connection and has aeration pipe (14), be equipped on the both sides bottom inner wall of shell (17) respectively fixedly connected with negative pole (10) and positive pole (11), and negative pole (10) and positive pole (11) peg graft respectively in electrolyte (19), it has inside constructional column (13) to distribute welded fastening on the both sides top inner wall of shell (17), welded fastening has water collecting hopper (3) on the bottom outer wall of equipment shell (17), welded fastening has out water drain (4) on the bottom one side outer wall of water collecting hopper (3).

2. The high concentration organic wastewater pretreatment facility of claim 1, wherein: the cathode (10) is an inert electrode and the anode (11) is an alloy electrode.

3. The high concentration organic wastewater pretreatment facility of claim 1, wherein: and a filter screen (20) is arranged at the joint of the equipment shell (17) and the water collecting hopper (3).

4. The high concentration organic wastewater pretreatment facility of claim 1, wherein: one side of the direct current junction box (8) is connected with a direct current power supply (18) through an electric wire, and the direct current power supply (18) is low-voltage and high-current direct current.

5. The high concentration organic wastewater pretreatment facility of claim 1, wherein: the number of internal construction columns (13) is four, and the stripper tubes (12) are placed between adjacent internal construction columns (13).

6. The high concentration organic wastewater pretreatment facility of claim 1, wherein: the aeration pipe (14) is an L-shaped pipeline, and the aeration pipe (14) is inserted in the electrolyte (19).