CN217077282U

CN217077282U - Gum dipping wastewater treatment system

Info

Publication number: CN217077282U
Application number: CN202123189695.7U
Authority: CN
Inventors: 韦斌
Original assignee: Guangdong Dingyou Environmental Technology Co ltd
Current assignee: Guangdong Dingyou Environmental Technology Co ltd
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-07-29
Anticipated expiration: 2031-12-17

Abstract

The utility model discloses a gumming wastewater treatment system, which relates to a wastewater treatment system, and comprises a sludge concentration tank, a van-type filter press, a percolate incineration system, and a resin removal reaction tank, a formaldehyde removal reaction tank, a flocculation reaction tank, a primary sedimentation tank, a hydrolysis acidification tank, a contact oxidation tank, an MBR membrane tank, a neutral catalysis tank and a clean water tank which are sequentially communicated; sludge produced by the resin removal reaction tank, the primary sedimentation tank and the MBR membrane tank is discharged into a sludge concentration tank, the sludge concentration tank is communicated with a chamber type filter press, supernatant produced by the sludge concentration tank flows back to the formaldehyde removal reaction tank, and percolate produced by the chamber type filter press flows back to a percolate incineration system. The effluent flows into the neutral catalytic tank through the MBR membrane tank to be subjected to neutral heterogeneous catalytic oxidation, and is discharged into the clean water tank at last to be cached, so that the effluent is externally discharged only after the clean water tank meets the discharge requirement, the biological treatment effect on the wastewater is realized, the electrolysis process is not required, the operation cost is low, and the loss of consumable materials can be effectively reduced.

Description

Gum dipping wastewater treatment system

Technical Field

The utility model relates to a wastewater treatment system especially relates to a gumming wastewater treatment system.

Background

The raw water of the impregnation wastewater is characterized by high organic matter and high ammonia nitrogen content, complex organic matter components, difficult biodegradation and poor biodegradability of the wastewater; the wastewater has high conductivity. Ammonia nitrogen in the dipping wastewater is difficult to remove by a conventional treatment method, and the electrocatalytic oxidation treatment can be determined to have a removing effect on the ammonia nitrogen in the dipping wastewater through experiments in the dipping wastewater treatment project, but in practical application, if the electrocatalytic oxidation treatment is adopted, the wastewater treatment cost can be greatly increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gumming effluent disposal system to solve current gumming effluent disposal system and adopt the technical problem that electrocatalytic oxidation treatment leads to high cost of waste water treatment.

In order to solve the technical problem, the utility model discloses a: a gum dipping wastewater treatment system comprises a sludge concentration tank, a van-type filter press, a percolate incineration system, a resin removal reaction tank, a formaldehyde removal reaction tank, a flocculation reaction tank, a primary sedimentation tank, a hydrolysis acidification tank, a contact oxidation tank, an MBR membrane tank, a neutral oxidation tank and a clean water tank which are sequentially communicated; sludge produced by the resin removal reaction tank, the primary sedimentation tank and the MBR membrane tank is discharged into a sludge concentration tank, the sludge concentration tank is communicated with a chamber type filter press, supernatant produced by the sludge concentration tank flows back to the formaldehyde removal reaction tank, and percolate produced by the chamber type filter press flows back to a percolate incineration system.

As an alternative embodiment, the percolate incineration system comprises a percolate buffer tank, a filtering pipeline, a back-spraying pipeline and an incinerator;

the output end of the penetrating fluid cache tank is communicated with the input end of the filtering pipeline; the output end of the filtering pipeline is communicated with the input end of the spraying pipeline; the output end of the back-spraying pipeline is communicated with the incinerator.

As an optional implementation manner, the filtering pipeline is provided with a filter and a booster pump, an input end of the filter is communicated with an input end of the filtering pipeline, an output end of the filter is communicated with an input end of the booster pump, and an output end of the booster pump is communicated with an output end of the filtering pipeline.

As an optional implementation mode, the primary sedimentation tank with be equipped with the anaerobism pond between the hydrolytic acidification pond, the waste water output of primary sedimentation tank with the input of anaerobism pond is connected, the waste water output of anaerobism pond with the waste water input of hydrolytic acidification pond is connected.

As an optional implementation manner, a stripping tank is arranged between the anaerobic tank and the hydrolysis acidification tank, a wastewater output end of the anaerobic tank is connected with a wastewater input end of the stripping tank, and a wastewater output end of the stripping tank is connected with a wastewater input end of the hydrolysis acidification tank.

As an optional implementation mode, the resin removal reaction tank and the formaldehyde removal reaction tank are respectively provided with a pH online monitor.

As an optional implementation mode, the system further comprises a controller, wherein the resin removal reaction tank and the formaldehyde removal reaction tank are respectively provided with a pH value regulator automatic feeding device, the pH online monitor is connected with the controller, and the controller is connected with the pH value regulator automatic feeding device.

As an optional embodiment, the membrane bioreactor further comprises an aeration device, and the contact oxidation tank and the MBR membrane tank are respectively communicated with the aeration device.

Compared with the prior art, the embodiment of the utility model provides a following beneficial effect has:

the utility model discloses an in the embodiment, carry out the preliminary treatment through removing resin reaction tank and removing formaldehyde reaction tank to carry out waste water raw water through flocculation reaction tank and primary sedimentation tank and carry out primary treatment, reduce the content of the viscous substance in the raw water, thereby reduce the consistency of raw water itself, in order to guarantee follow-up oxidation treatment's efficiency. Reduce the organic matter in the waste water and make macromolecular substance degrade into the micromolecular substance through setting up the hydrolytic acidification pond to reduce the complex of follow-up processing, and reduce the output of mud, thereby reduce mud and probably appear blockking up the condition, guarantee that the stability of waste water flow volume is smooth and easy, guarantee waste water treatment's stability and efficiency. The principle of the method is that the biological membrane firstly adsorbs organic matters attached to a water layer, the organic matters are decomposed by aerobic bacteria of an aerobic layer and then enter an anaerobic layer for anaerobic decomposition, and a flowing water layer washes away the aged biological membrane to grow a new biological membrane, so that the aim of purifying the waste water is fulfilled. The aged biological membrane continuously falls off, flows into the MBR membrane tank along with water, and is removed through sludge discharge, so that the wastewater is purified. By arranging the MBR membrane tank, the wastewater flowing in the contact oxidation tank can be efficiently subjected to solid-liquid separation after passing through the MBR membrane tank, high-concentration microorganism amount can be maintained in the biological tank, the process has less excess sludge, the ammonia nitrogen can be removed very effectively, the suspended matters and turbidity of the effluent are low, bacteria and viruses in the effluent are greatly removed, the energy consumption is low, the occupied area is small, the effluent after passing through the MBR membrane tank flows into a neutral catalytic tank for neutral heterogeneous catalytic oxidation, in the neutral catalytic tank, the main components of the catalyst comprise carbon, iron carbide, nano-copper oxide, nano-iron, nano-grade zirconium oxide, manganese dioxide and the like, the surface effect, the quantum size effect, the volume effect, the macroscopic quantum tunneling effect, the catalytic activity and the synergistic effect of the nano-iron are fully utilized, and the adsorption of hydrogen peroxide is fully completed in a short time, Decomposing, namely efficiently catalyzing hydrogen peroxide to generate hydroxyl radicals, wherein the radicals form a series of chain reactions under the action of a catalyst, so that the conversion efficiency and initiating capacity of the hydrogen peroxide are greatly improved, and the output of the high-concentration and high-strength hydroxyl radicals can be realized, thereby realizing the concentrated degradation of organic matters in the wastewater; meanwhile, the existence of the catalyst can initiate a series of oxidation-reduction reactions to directly mineralize a plurality of organic matters into carbon dioxide and water. And finally, the wastewater is discharged into a clean water tank for caching, and is discharged outwards only after the discharge requirement is met, so that the biological treatment effect on the wastewater is realized, the electrolysis process is not needed, the operation cost is low, and the loss of consumables can be effectively reduced.

The pH value range of the resin removal reaction tank is 1.5-2.5, the pH value range of the formaldehyde removal reaction tank is 3.0-5.0, the supernatant of the sludge concentration tank is put into the formaldehyde removal reaction tank again, so that the wastewater returns to a wastewater treatment system for treatment, the wastewater efficiency is effectively improved, the pH value of the formaldehyde removal reaction tank can be increased to a certain extent, the use amount of a pH value regulator in the formaldehyde removal reaction tank is reduced, and the wastewater treatment cost is reduced to a certain extent. Through sending the leachate that the van-type pressure filter produced to leachate incineration system and burning the processing, effective treatment leachate to avoid leachate backflow to waste water treatment pond crowd in, increase waste water treatment pond crowd's processing load.

Drawings

FIG. 1 is a system diagram of one embodiment of the present invention;

fig. 2 is a system schematic of another embodiment of the present invention;

FIG. 3 is a schematic piping diagram of a leachate incineration system according to one embodiment of the present invention;

in the drawings: the system comprises a 1-resin removal reaction tank, a 2-formaldehyde removal reaction tank, a 3-flocculation reaction tank, a 4-primary sedimentation tank, a 5-hydrolysis acidification tank, a 6-contact oxidation tank, a 7-MBR membrane tank, an 8-neutral catalytic tank, a 9-sludge concentration tank, a 10-box filter press, an 11-percolate incineration system, a 12-percolate buffer tank, a 13-filtration pipeline, a 14-filter, a 15-booster pump, a 16-back-spray pipeline, a 17-incinerator, an 18-anaerobic tank, a 19-blow-off tank, a 20-pH online monitor, a 21-controller, a 22-pH value regulator automatic feeding device, a 23-aeration device and a 24-clean water tank.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are only 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. Furthermore, features defined as "first" and "second" may explicitly or implicitly include one or more of the features for distinguishing between descriptive features, non-sequential, non-trivial and non-trivial.

The following describes a system for treating gum dipping wastewater according to an embodiment of the present invention with reference to fig. 1 to 3, which includes a sludge concentration tank 9, a chamber filter press 10, a leachate incineration system 11, and a resin removal reaction tank 1, a formaldehyde removal reaction tank 2, a flocculation reaction tank 3, a primary sedimentation tank 4, a hydrolysis acidification tank 5, a contact oxidation tank 6, an MBR membrane tank 7, a neutral catalysis tank 8, and a clean water tank 24, which are sequentially connected; sludge produced by the resin removal reaction tank 1, the primary sedimentation tank 4 and the MBR membrane tank 7 is discharged into a sludge concentration tank 9, the sludge concentration tank 9 is communicated with a chamber type filter press 10, supernatant produced by the sludge concentration tank 9 flows back to the formaldehyde removal reaction tank 2, and percolate produced by the chamber type filter press 10 flows back to a percolate incineration system 11.

The utility model discloses an in the embodiment, carry out the preliminary treatment through removing resin reaction tank 1 and removing formaldehyde reaction tank 2 to carry out the waste water raw water through flocculation reaction tank 3 and primary sedimentation tank 4 and carry out primary treatment, reduce the content of gluing thick material in the raw water, thereby reduce the consistency of raw water itself, with the efficiency of guaranteeing follow-up oxidation treatment. Reduce the organic matter in the waste water and make macromolecular substance degrade into the micromolecular substance through setting up hydrolysis-acidification pool 5 to reduce the complex of follow-up processing, and reduce the output of mud, thereby reduce mud and probably appear blocking up the condition, guarantee that waste water flow quantity's is stable smooth and easy, guarantee waste water treatment's stability and efficiency. The contact oxidation tank 6 is arranged, and the contact oxidation tank 6 is a method for treating organic wastewater by using microorganisms (namely biological membranes) attached to and growing on the surfaces of certain solids. The aged biofilm continuously drops off, flows into the MBR membrane tank 7 along with water, and is removed through sludge discharge, so that the wastewater is purified. By arranging the MBR membrane tank 7, the wastewater flowing into the contact oxidation tank 6 can be efficiently subjected to solid-liquid separation after passing through the MBR membrane tank 7, high-concentration microorganism amount can be maintained in the biological tank, the process has less excess sludge, ammonia nitrogen can be removed very effectively, suspended matters and turbidity of the effluent are low, bacteria and viruses in the effluent are greatly removed, the energy consumption is low, the occupied area is small, the effluent after passing through the MBR membrane tank 7 flows into the neutral catalytic tank 8 for neutral heterogeneous catalytic oxidation, and in the neutral catalytic tank 8, the main components of the catalyst comprise carbon, iron carbide, nano copper oxide, nano iron, nano zirconium oxide, manganese dioxide and the like, and the surface effect, the quantum size effect, the volume effect, the macroscopic quantum tunneling effect and the catalytic activity of the nano iron are fully utilized, so that the adsorption of hydrogen peroxide, the hydrogen peroxide and the catalytic activity of the nano copper oxide are fully completed in a short time, Decomposing, namely efficiently catalyzing hydrogen peroxide to generate hydroxyl radicals, wherein the radicals form a series of chain reactions under the action of a catalyst, so that the conversion efficiency and initiating capacity of the hydrogen peroxide are greatly improved, and the output of the high-concentration and high-strength hydroxyl radicals can be realized, thereby realizing the concentrated degradation of organic matters in the wastewater; meanwhile, the existence of the catalyst can initiate a series of oxidation-reduction reactions to directly mineralize a plurality of organic matters into carbon dioxide and water. And finally, the wastewater is discharged into a clean water tank 24 for caching, and is discharged outwards only after the discharge requirement is met, so that the biological treatment effect on the wastewater is realized, the electrolysis process is not needed, the operation cost is low, and the loss of consumables can be effectively reduced. Wherein, it is worth to say that the pH value range of the resin removal reaction tank 1 is 1.5-2.5, the pH value range of the formaldehyde removal reaction tank 2 is 3.0-5.0, the supernatant of the sludge concentration tank 9 is put into the formaldehyde removal reaction tank 2 again, so that the wastewater returns to the wastewater treatment system for treatment, the wastewater efficiency is effectively improved, and the pH value of the formaldehyde removal reaction tank 2 can be increased to a certain extent, thereby reducing the use amount of the pH value regulator in the formaldehyde removal reaction tank 2 and reducing the cost of wastewater treatment to a certain extent. Through sending the leachate that van-type pressure filter 10 produced to leachate incineration system 11 and burning the processing, effective treatment leachate to avoid leachate backflow to waste water treatment pond crowd in, increase waste water treatment pond crowd's processing load.

In an alternative embodiment, the percolate incineration system 11 comprises a permeate buffer tank 12, a filtration line 13, a return jet line 16 and an incinerator 17; the output end of the penetrating fluid buffer tank 12 is communicated with the input end of the filtering pipeline 13; the output end of the filtering pipeline 13 is communicated with the input end of the spraying pipeline 16; the output end of the return jet pipe 16 is communicated with the incinerator 17. The percolate is fed to the permeate buffer tank 12 and then filtered through a filter line in order to avoid impurities in the percolate from blocking the return line 16. The leachate is atomized in the incinerator 17 by the return spray pipe 16 to ensure the combustion efficiency and the hearth temperature in the incinerator and improve the incineration efficiency of the leachate.

In an alternative embodiment, the filtering pipeline 13 is provided with a filter 14 and a booster pump 15, an input end of the filter 14 is communicated with an input end of the filtering pipeline 13, an output end of the filter 14 is communicated with an input end of the booster pump 15, and an output end of the booster pump 15 is communicated with an output end of the filtering pipeline 13. In this way, impurities in the percolate are filtered through the filter 14, the impurities are prevented from entering the incinerator 17 to influence the incineration of the percolate, and the incineration efficiency of the percolate is improved. The pressure is increased by the booster pump 15, so that penetrating fluid flows from the input end of the filtering branch to the output end of the filtering branch in a directional mode, the penetrating fluid is prevented from flowing backwards, and the back spraying system is ensured to operate normally. In some embodiments, the output of the jet-back pipe 16 is provided with a lance. The spray gun is used for spraying the percolate back into the incinerator 17 for incineration.

An optional embodiment, the primary sedimentation tank 4 with be equipped with the anaerobism pond 18 between the hydrolysis acidification tank 5, the waste water output of primary sedimentation tank 4 with the input of anaerobism pond 18 is connected, the waste water output of anaerobism pond 18 with the waste water input of hydrolysis acidification tank 5 is connected. Specifically, in this embodiment, the anaerobic tank 18 may be a USAB anaerobic reactor, and wastewater flows from the bottom of the anaerobic sludge bed to be mixed and contacted with sludge, and microorganisms in the sludge decompose organic matters in the water and convert the organic matters into biogas, thereby realizing conversion of waste into valuable.

In an alternative embodiment, a stripping tank 19 is arranged between the anaerobic tank 18 and the hydrolysis acidification tank 5, a wastewater output end of the anaerobic tank 18 is connected with a wastewater input end of the stripping tank 19, and a wastewater output end of the stripping tank 19 is connected with a wastewater input end of the hydrolysis acidification tank 5.

Specifically, in this embodiment, the stripping tank 19 makes a large amount of air contact with the wastewater under alkaline conditions, so as to convert the ionic ammonia nitrogen in the wastewater into free ammonia and blow out the free ammonia, thereby achieving the purpose of removing the ammonia nitrogen in the wastewater. The air stripping method has the advantages of ammonia nitrogen removal rate of over 85 percent, simple process and simple and convenient operation. After the waste water is treated by the anaerobic treatment, a large amount of ammonia gas and other gases are generated, in order to reduce the load of subsequent treatment facilities and ensure that the ammonia nitrogen of a treatment system reaches the standard, the air is used for blowing off the ammonia nitrogen in the blowing-off tank 19, and the effluent of the blowing-off tank 19 automatically flows into the hydrolysis acidification tank 5.

In an alternative embodiment, the resin removing reaction tank 1 and the formaldehyde removing reaction tank 2 are respectively provided with a pH on-line monitor 20. Specifically, in this embodiment, the pH values of the resin removal reaction tank 1 and the formaldehyde removal reaction tank 2 are monitored by the pH online monitor 20, so that the workers can know the real-time pH values of the resin removal reaction tank 1 and the formaldehyde removal reaction tank 2.

An optional embodiment, still include controller 21, remove resin reaction tank 1 and remove formaldehyde reaction tank 2 and still be equipped with the automatic device 22 of puting in of pH value regulator respectively, pH on-line monitor 20 with controller 21 is connected, controller 21 is connected with the automatic device 22 of puting in of pH value regulator. Specifically, when the online pH monitor 20 detects that the pH value of the resin removal reaction tank 1 exceeds the preset range, the controller 21 controls the automatic pH value regulator feeding device 22 arranged in the resin removal reaction tank 1 to feed the pH value regulator into the resin removal reaction tank 1, so that the resin removal reaction tank 1 reaches the preset pH range. When the pH on-line monitor 20 detects that the pH value of the formaldehyde removal reaction tank 2 exceeds the preset range, the controller 21 controls the automatic pH value regulator feeding device 22 arranged on the formaldehyde removal reaction tank 2 to feed the pH value regulator into the formaldehyde removal reaction tank 2, so that the formaldehyde removal reaction tank 2 reaches the preset pH range.

An optional embodiment further comprises an aeration device 23, and the contact oxidation tank 6 and the MBR membrane tank 7 are respectively communicated with the aeration device 23. Specifically, the aeration device 23 can be a fan, and as the contact oxidation tank 6 is internally provided with the filler, the wastewater contacts with the filler after the blast aeration at the bottom of the contact oxidation tank 6, and the wastewater is purified under the dual actions of the biofilm on the surface of the filler and the activated sludge in the gap between the seasonings. The aeration device 23 is used for making the wastewater in the MBR membrane tank 7 rich in dissolved oxygen, so as to ensure that microorganisms in the MBR membrane tank 7 can carry out oxidative decomposition on organic matters in the wastewater under the condition of sufficient dissolved oxygen.

Other configurations and operations of a gum dipping wastewater treatment system according to embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.

In the description herein, references to the description of the terms "embodiment," "example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. The utility model provides a gumming effluent disposal system which characterized in that: comprises a sludge concentration tank, a van-type filter press, a percolate incineration system, and a resin removal reaction tank, a formaldehyde removal reaction tank, a flocculation reaction tank, a primary sedimentation tank, a hydrolysis acidification tank, a contact oxidation tank, an MBR membrane tank, a neutral catalysis tank and a clean water tank which are sequentially communicated; sludge produced by the resin removal reaction tank, the primary sedimentation tank and the MBR membrane tank is discharged into a sludge concentration tank, the sludge concentration tank is communicated with a chamber type filter press, supernatant produced by the sludge concentration tank flows back to the formaldehyde removal reaction tank, and percolate produced by the chamber type filter press flows back to a percolate incineration system.

2. The system for treating the treated waste water after gum dipping according to claim 1, wherein: the percolate incineration system comprises a percolate buffer tank, a filtering pipeline, a back-spraying pipeline and an incinerator;

3. The system for treating the treated waste water after gum dipping according to claim 2, wherein: the filter pipeline is provided with a filter and a booster pump, the input end of the filter is communicated with the input end of the filter pipeline, the output end of the filter is communicated to the input end of the booster pump, and the output end of the booster pump is communicated with the output end of the filter pipeline.

4. The system for treating the treated waste water after gum dipping according to claim 1, wherein: the primary sedimentation tank and be equipped with the anaerobism pond between the hydrolytic acidification pond, the waste water output of primary sedimentation tank with the input of anaerobism pond is connected, the waste water output of anaerobism pond with the waste water input of hydrolytic acidification pond is connected.

5. The system for treating the treated waste water after gum dipping according to claim 4, wherein: the anaerobic tank and be equipped with between the hydrolytic acidification pond and blow off the pond, the waste water output of anaerobic tank with blow off the waste water input end in pond and be connected, blow off the waste water output in pond with the waste water input end in hydrolytic acidification pond is connected.

6. The system for treating the treated waste water after gum dipping according to claim 1, wherein: and the resin removing reaction tank and the formaldehyde removing reaction tank are respectively provided with a pH on-line monitor.

7. The system for treating the treated waste water after gum dipping according to claim 6, wherein: the device comprises a controller, and is characterized in that the device comprises a resin reaction tank and a formaldehyde reaction tank which are respectively provided with a pH value regulator automatic feeding device, the pH online monitor is connected with the controller, and the controller is connected with the pH value regulator automatic feeding device.

8. The system for treating the treated waste water after gum dipping according to claim 1, wherein: the device also comprises an aeration device, and the contact oxidation tank and the MBR membrane tank are respectively communicated with the aeration device.