CN217103244U - Biochemical treatment device for high-concentration organic wastewater - Google Patents
Biochemical treatment device for high-concentration organic wastewater Download PDFInfo
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- CN217103244U CN217103244U CN202123338386.1U CN202123338386U CN217103244U CN 217103244 U CN217103244 U CN 217103244U CN 202123338386 U CN202123338386 U CN 202123338386U CN 217103244 U CN217103244 U CN 217103244U
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Abstract
The utility model discloses a biochemical treatment device for high-concentration organic wastewater, relating to the technical field of water treatment equipment. The biochemical treatment device comprises a biological reaction tower, a circulating water tank, a submersible pump and a circulating water inlet pipe; the biological reaction tower is positioned above the circulating water tank, the bottom of the biological reaction tower is communicated with the circulating water tank, and the submersible pump is arranged in the circulating water tank; a spray pipe and a reaction tower filler are arranged in the biological reaction tower, the reaction tower filler is positioned below the spray pipe, and a circulating water inlet pipe is connected with a submersible pump and the spray pipe; the circulating water tank is internally provided with water tank filler. The biochemical treatment device saves occupied land, and realizes two process sections of an anoxic section and an aerobic section by utilizing the upper and lower structures of the device without independent partition; energy is saved, consumption is reduced, aeration of an aerobic process section in biochemical reaction is omitted, and the automatic oxygenation process of the wastewater is realized by utilizing water circulation and heat release of the biochemical reaction; realizes multiple cycles from aerobic to anoxic, enhances the denitrification effect while removing COD in the wastewater, and improves the removal rate of the total nitrogen.
Description
Technical Field
The utility model relates to a water treatment facilities technical field especially relates to a high concentration organic waste water biochemical treatment device.
Background
At present, biochemical methods have become the mainstream methods for sewage treatment, which utilize the metabolism of microorganisms to convert the organic pollutants in the state of solution and colloid in the wastewater into harmless substances so as to achieve the purpose of purification.
The biochemical method can be divided into an aerobic biological treatment method and an anaerobic biological treatment method, and it is common practice to treat wastewater by combining both the aerobic and anaerobic methods. For example, in the most widely used AAO process, which includes three process sections, i.e., an anaerobic process section, an anoxic process section and an aerobic process section, the aerobic process section generally requires a fan to aerate to increase the concentration of dissolved oxygen in the wastewater, so that the dissolved oxygen can be metabolized normally and organic matters in the wastewater can be consumed, and the wastewater after the aerobic process needs to flow back to the anoxic section for denitrification to remove total nitrogen. Therefore, there are the following disadvantages: except for the anaerobic condition, an anoxic section and an aerobic section are respectively arranged, so that the occupied area is large; the aerobic section needs to increase the dissolved oxygen concentration of the wastewater by utilizing the aeration of a fan, so that the energy consumption is higher; the water treated by the aerobic section needs to flow back to the previous anoxic section for denitrification and denitrogenation, and the energy consumption is increased.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the purpose of the utility model is realized through following technical scheme:
provides a biochemical treatment device for high-concentration organic wastewater, which comprises a biological reaction tower, a circulating water tank, a submersible pump and a circulating water inlet pipe; the biological reaction tower is positioned above the circulating water tank, the bottom of the biological reaction tower is communicated with the circulating water tank, and the submersible pump is arranged in the circulating water tank; the biological reaction tower is internally provided with a spray pipe and a reaction tower filler, the reaction tower filler is positioned below the spray pipe, and the circulating water inlet pipe is connected with the submersible pump and the spray pipe; and a water tank filler is arranged in the circulating water tank.
Furthermore, a reaction tower filler bracket is arranged in the biological reaction tower; the reaction tower packing is arranged on the reaction tower packing support.
Furthermore, the reaction tower filler is a belt type, braid type or rope type filler.
Furthermore, the biological reaction tower is provided with a vent.
Furthermore, the two opposite sides of the biological reaction tower are provided with air vents, and the upper part and the lower part of each side are respectively provided with an air vent.
Furthermore, a top cover is arranged at the top of the biological reaction tower.
Furthermore, a water tank filler bracket is arranged in the circulating water tank, and the water tank filler is arranged on the water tank filler bracket; the water tank filler is a belt type, braid type or rope type filler.
Furthermore, at least one partition board is arranged in the circulating water tank, the circulating water tank is divided into a plurality of overflow grooves by the partition board, and each overflow groove is provided with a water tank filler support and a water tank filler.
Furthermore, the circulating water tank is provided with a water inlet and a water outlet.
Furthermore, the bioreactor also comprises a bracket, and the biological reaction tower is positioned on the bracket.
The utility model discloses a high concentration organic waste water biochemical treatment device mainly is to the processing of high concentration organic waste water, and its aerobic section and oxygen deficiency section are not separately divided, through good oxygen to the manifold cycles of oxygen deficiency, take place denitrification. The removal rate of total nitrogen is improved while removing COD in the wastewater. Compared with the prior art, the method has the advantages that:
1. the occupied area is saved, and the two process sections of an anoxic section and an aerobic section are realized by utilizing the upper and lower structures of the device without independent partition.
2. The device saves energy and reduces consumption, saves aeration of an aerobic process section in biochemical reaction, does not need aeration of a fan, and realizes the automatic oxygenation process of the wastewater by utilizing water circulation and heat release of the biochemical reaction.
3. The total nitrogen removal rate is high, the device realizes multiple cycles from aerobic to anoxic, removes COD in the wastewater, enhances the denitrification effect and improves the total nitrogen removal rate.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.
FIG. 1 is a structural diagram of a biochemical treatment apparatus for high concentration organic wastewater according to an embodiment of the present invention;
FIG. 2 is a side view of a biochemical treatment apparatus for high concentration organic wastewater according to an embodiment of the present invention;
FIG. 3 is a structural diagram of a biological reaction tower according to an embodiment of the present invention;
FIG. 4 is a structural view of a circulating water tank according to an embodiment of the present invention;
fig. 5 is a side view of the circulation water tank according to the embodiment of the present invention.
The labels in the figures illustrate:
1-a biological reaction tower; 2-a scaffold; 3-circulating water tank; 4-a submersible pump; 5-circulating water inlet pipe; 6-water outlet pipeline; 7-a water inlet; 8-water outlet; 11-a tower shell; 12-a tower top cover; 13-a spray pipe; 14-a reaction tower packing support; 15-a vent; 31-a trough body; 32-a separator; 33-sink filler holder; 34-a first overflow launder; 35-a second isopipe; 36-a third isopipe; 37-a fourth overflow trough; 51-a valve; 52-flow meter.
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 some, not all, of the 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.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in the specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices 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.
The terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Please refer to fig. 1, fig. 1 is a high concentration organic wastewater biochemical treatment apparatus provided by an embodiment of the present invention, which includes a biological reaction tower 1, a support 2, a circulating water tank 3, a submersible pump 4 and a circulating water inlet pipe 5, wherein the biological reaction tower 1 is located above the circulating water tank 3, the support 2 is arranged between the biological reaction tower 1 and the circulating water tank 3, the biological reaction tower 1 is located on the support 2, the support 2 is used for supporting the biological reaction tower 1, and the bottom of the biological reaction tower 1 is communicated with the circulating water tank 3. A circulating water inlet pipe 5 is arranged between the biological reaction tower 1 and the circulating water tank 3, and the circulating water inlet pipe 5 is communicated with the upper part of the biological reaction tower 1 and the top of the circulating water tank 3. A valve 51 and a flowmeter 52 are arranged on the circulating water inlet pipe 5; the valve 51 is used for controlling the water inlet switch of the circulating water inlet pipe, and the flow meter 52 is used for displaying the water inlet flow of the circulating water inlet pipe 5.
Referring to fig. 5, the upper parts of the tank bodies 31 on the left and right sides of the circulating water tank 3 are respectively provided with a water inlet 7 and a water outlet 8, and wastewater to be treated enters the circulating water tank 3 from the water inlet 7. A plurality of partition plates 32 are arranged inside the circulating water tank 3, and the partition plates 32 divide the circulating water tank into a first overflow tank 34, a second overflow tank 35, a third overflow tank 36 and a fourth overflow tank 37 from left to right. The water inlet 7 is positioned at one side of the first overflow groove 34, the height of the partition 32 is lower than that of the groove body 31, and the height of the partition enables the wastewater to overflow from the first overflow groove 34 to the second overflow groove 35, the third overflow groove 36 and the fourth overflow groove 37. The water outlet is positioned at one side of the fourth overflow groove, and the qualified water treated by the circulating water tank 3 is discharged from the water outlet 8. The submersible pump 4 is disposed in the fourth overflow trough 37.
Referring to fig. 2, a submersible pump 4 is connected to a circulating water inlet pipe 5, and the submersible pump 4 is used for pumping the wastewater in the circulating water tank 3 to the biological reaction tower 1 through the circulating water inlet pipe 5. The water outlet pipe 6 is connected with the bottom of the biological reaction tower 1 and the first overflow trough 34 of the circulating water trough 3. The wastewater treated by the biological reaction tower 1 can be returned to the circulating water tank 3 through a water outlet pipe 6.
Referring to fig. 3, a circulating water inlet pipe 5 is connected to the spray pipe 13 at the upper part of the biological reaction tower 1 and the submersible pump 4 in the circulating water tank 37. The biological reaction tower 1 comprises a tower shell 11, a top cover 12, a spray pipe 13, a filler support 14 and a ventilation opening 15. The top cover 12 is positioned at the top of the biological reaction tower 1 above the spray pipe 13. The lower end of the spray pipe 13 is provided with a hole, the reaction tower filler support 14 is positioned below the spray pipe 13, and the spray pipe 13 can spray the wastewater to the reaction tower filler support 14 below for reaction. The reaction tower packing support 14 is used for supporting the placement of the reaction tower packing, and the reaction tower packing is arranged on the reaction tower packing support 14. The reaction tower filler is a belt type, braid type or rope type filler, and provides an environment for biofilm culturing growth of microorganisms. The ventilation openings 15 are provided at opposite sides of the tower casing 11 of the biological reaction tower 1, and one ventilation opening 15 is provided at each of the upper and lower portions of each side, and the ventilation openings 15 are used to flow air in the biological reaction tower 1.
Referring to fig. 4, a water tank filler and a water tank filler support 33 are further disposed in the first overflow tank 34, the second overflow tank 35 and the third overflow tank 36 in the circulating water tank 3, the water tank filler support 33 is used for supporting placement of the water tank filler, the water tank filler is disposed on the water tank filler support 33, and the water tank filler is a belt-type, braid-type or rope-type filler and provides an environment for biofilm formation growth of microorganisms.
The utility model provides a biochemical treatment device of high concentration organic waste water, this device work flow as follows:
the wastewater enters the circulating water tank 3 from the water inlet 7, a plurality of partition plates 32 are arranged in the circulating water tank 3, and the circulating water tank is divided into a first overflow tank 34, a second overflow tank 35, a third overflow tank 36 and a fourth overflow tank 37 by the partition plates 32 from left to right. The wastewater to be treated enters the first overflow launder 34 from the water inlet 7, and since the height of the partition plate 32 is lower than that of the tank body 31, the wastewater treated in the first overflow launder 34 can overflow to the second overflow launder 35, the third overflow launder 36 and the fourth overflow launder 37. The wastewater overflows and fully contacts the water tank filler on the water tank filler bracket 33 in each overflow tank. The filler of the water tank is a belt type, braid type or rope type filler, and can provide an environment for the growth of the microorganism biofilm culturing. At this time, the circulating water tank 3 is not aerated, the wastewater is in an anaerobic and anoxic environment, and microorganisms on the filler at the stage mainly comprise anaerobic microorganisms (such as fermentation acid-producing bacteria, methanogenic bacteria and heterotrophic denitrification denitrificaion bacteria). After the circulating water tank 3 is filled with the wastewater, the valve 51 of the circulating water inlet pipe 5 is adjusted, and the submersible pump 4 in the fourth overflow tank 37 pumps the wastewater into the biological reaction tower 1 above the circulating water tank 3 through the circulating water inlet pipe 5.
After entering the biological reaction tower 1 through the circulating water inlet pipe 5, the wastewater in the circulating water tank 3 is sprayed to the reaction tower filler support 14 and the reaction tower filler below through the spray pipe 13. The reaction tower filler is a belt type, braid type or rope type filler, which can provide an environment for the growth of a microorganism biofilm formation, and the wastewater is fully contacted with the microorganisms on the reaction tower filler to react. The heat released by the reaction makes the hot air in the biological reaction tower 1 flow upwards and flow out from the vent 15 at the upper part, and the fresh air enters from the vent 15 at the lower part, so that the oxygen exchange is carried out on the waste water sprayed in the biological reaction tower 1, the processes of aeration without a fan and automatic oxygenation are realized, at the moment, the waste water in the biological reaction tower 1 is in an aerobic environment, and the microorganisms on the filler of the reaction tower mainly comprise aerobic microorganisms (such as nitrobacteria and aerobic denitrifying bacteria). The treated wastewater is precipitated at the bottom of the biological reaction tower 1 and flows back to the circulating water tank 3 through the water outlet pipe 6. In the process, because the process of gas exchange is not carried out in the circulating water tank 3 any more, and the high-concentration wastewater is treated and oxygen is consumed, the oxygen of the wastewater in the circulating water tank 3 is automatically consumed very fast, namely, the wastewater in the aerobic environment in the biological reaction tower 1 reflows to the circulating water tank 3 returns to the anaerobic environment, thereby realizing the circulation of the wastewater from the aerobic environment to the anaerobic environment, enhancing the denitrification reaction while removing the COD (chemical oxygen demand) of the wastewater, improving the removal rate of total nitrogen, and discharging the qualified wastewater from the water outlet 8.
Aiming at the aspect of occupied land, the device realizes that two process sections, namely an anoxic section and an aerobic section, do not need to be partitioned independently by utilizing the upper structure and the lower structure of the device, so that the occupied land is saved; aiming at the aspect of energy consumption, the device omits the aeration of an aerobic process section in the biochemical reaction, does not need the aeration of a fan, realizes the automatic oxygenation process of the wastewater by utilizing the circulation of water and the heat release of the biochemical reaction, saves energy and reduces consumption; aiming at the aspect of removing pollutants, the device realizes multiple circulation from aerobic to anoxic, enhances the denitrification effect and improves the removal rate of total nitrogen while removing COD in wastewater.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope of the present invention, and these modifications or replacements should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A biochemical treatment device for high-concentration organic wastewater is characterized by comprising a biological reaction tower, a circulating water tank, a submersible pump and a circulating water inlet pipe; the biological reaction tower is positioned above the circulating water tank, the bottom of the biological reaction tower is communicated with the circulating water tank, and the submersible pump is arranged in the circulating water tank; the biological reaction tower is internally provided with a spray pipe and a reaction tower filler, the reaction tower filler is positioned below the spray pipe, and the circulating water inlet pipe is connected with the submersible pump and the spray pipe; and a water tank filler is arranged in the circulating water tank.
2. The biochemical treatment device for the high concentration organic wastewater according to claim 1, wherein a reaction tower filler support is arranged in the biological reaction tower; the reaction tower packing is arranged on the reaction tower packing support.
3. The biochemical treatment device for high concentration organic wastewater according to claim 2, wherein the reaction tower filler is a ribbon, braid or rope type filler.
4. The biochemical treatment apparatus for high concentration organic wastewater as claimed in claim 3, wherein the biological reaction tower is provided with a vent.
5. The biochemical treatment apparatus for high concentration organic wastewater according to claim 4, wherein the biological reaction tower is provided with ventilation openings at opposite sides thereof, and one ventilation opening is provided at each of upper and lower portions of each side.
6. The biochemical treatment apparatus for high concentration organic wastewater according to claim 5, wherein a top cover is provided on the top of the biological reaction tower.
7. The biochemical treatment apparatus for high concentration organic wastewater according to any one of claims 1 to 6, wherein a tank filler support is provided in the circulation tank, and the tank filler is provided on the tank filler support; the water tank filler is a belt type, braid type or rope type filler.
8. The biochemical treatment apparatus for high concentration organic wastewater according to claim 7, wherein at least one partition is provided in the circulating water tank, the partition divides the circulating water tank into a plurality of overflow tanks, and each overflow tank is provided with a tank filler support and a tank filler.
9. The biochemical treatment apparatus for high concentration organic wastewater as claimed in claim 8, wherein the circulation water tank is provided with a water inlet and a water outlet.
10. The biochemical treatment apparatus for high concentration organic wastewater according to claim 9, further comprising a frame, wherein the biological reaction tower is disposed on the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123338386.1U CN217103244U (en) | 2021-12-28 | 2021-12-28 | Biochemical treatment device for high-concentration organic wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123338386.1U CN217103244U (en) | 2021-12-28 | 2021-12-28 | Biochemical treatment device for high-concentration organic wastewater |
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| Publication Number | Publication Date |
|---|---|
| CN217103244U true CN217103244U (en) | 2022-08-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123338386.1U Active CN217103244U (en) | 2021-12-28 | 2021-12-28 | Biochemical treatment device for high-concentration organic wastewater |
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| CN (1) | CN217103244U (en) |
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2021
- 2021-12-28 CN CN202123338386.1U patent/CN217103244U/en active Active
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Address after: 518000 j395, floor 3, port building, maritime center, No. 59, Linhai Avenue, Nanshan street, Qianhai Shenzhen Hong Kong cooperation zone, Shenzhen, Guangdong Patentee after: China Resources Environmental Protection Applied Technology Research (Shenzhen) Co.,Ltd. Address before: 518000 Room 201, building A, No. 1, Qian Wan Road, Qianhai Shenzhen Hong Kong cooperation zone, Shenzhen, Guangdong (Shenzhen Qianhai business secretary Co., Ltd.) Patentee before: Shenzhen runke environmental protection application technology research Co.,Ltd. |
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