CN213295095U - Catering waste water biochemical treatment system based on modified graphene - Google Patents

Catering waste water biochemical treatment system based on modified graphene Download PDF

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CN213295095U
CN213295095U CN202021683282.7U CN202021683282U CN213295095U CN 213295095 U CN213295095 U CN 213295095U CN 202021683282 U CN202021683282 U CN 202021683282U CN 213295095 U CN213295095 U CN 213295095U
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waste water
tank
water
wastewater
modified graphene
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左太辉
骆伙仁
黄啟明
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Guangzhou Canglv Environmental Protection Engineering Technology Co ltd
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Guangzhou Canglv Environmental Protection Engineering Technology Co ltd
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Abstract

The utility model provides a food and beverage waste water biochemical treatment system based on modified graphene, which comprises a waste water adjusting tank, a waste water reaction tank, a water outlet sampling tank, a modified graphene reaction layer and an aeration device, wherein one end of the waste water adjusting tank is communicated with a waste water inlet pipe, the other end of the waste water adjusting tank is communicated with the waste water reaction tank through a water passing bent pipe, one end of the water outlet sampling tank is communicated with the waste water reaction tank through the water passing bent pipe, the other end of the water outlet sampling tank is communicated with a waste water drain pipe, the modified graphene reaction layer is fixed in the waste water reaction tank and can be used for absorbing organic matters and refractory matters in waste water, the aeration device is positioned at the lower end of the modified graphene reaction layer, the food and beverage waste water biochemical treatment system based on modified graphene can not only ensure that the water quality of the food and beverage waste water after treatment reaches the regeneration standard, has the advantages of reliable technology, small investment, easy maintenance, convenient operation and management and no secondary pollution.

Description

Catering waste water biochemical treatment system based on modified graphene
Technical Field
The utility model relates to an environmental protection engineering technical field especially relates to a food and beverage waste water biochemical treatment system based on modified graphene.
Background
In recent years, with the continuous development of economy, the adjustment of industrial structure and the rapid development of service industry, wherein the development of catering and tourism housing industry is rapid, the discharge amount of catering waste water is increased greatly, the catering waste water is characterized by high organic matter concentration and low pretreatment rate, the waste water contains a large amount of colloid particles and suspended matters, and the main components are animal and vegetable oil, inorganic salt, surfactant, protein and the like. Restaurant wastewater is a high-concentration pollution source and is one of the main causes of water body pollution around cities.
If the restaurant wastewater is directly discharged to rivers, lakes and seas without being treated, eutrophication of natural water bodies can be caused, and although the total amount of discharged sewage is small and the intensity is low, the pollution is more and dispersed, and the pollution influence is large. The traditional treatment of restaurant wastewater comprises a physical and chemical method, an electrochemical method and a biological treatment method. The physical and chemical methods mainly comprise a coarse granulation method, a demulsification method, a coagulation method, a magnetic adsorption separation method and the like, the treatment effect greatly fluctuates along with the change of water quality, the treatment efficiency is not high, and meanwhile, the safety problem of potential chemical medicine residues also exists, so that the method cannot be popularized widely. Although the electrochemical method is a mature method, the power consumption is high, the power consumption is obviously increased along with the increase of the concentration of the wastewater, and the electrochemical method has certain corrosivity on instruments and equipment. The existing biological methods mainly comprise an activated sludge method, a biofilm method, a biological contact oxidation method, a biodegradation method and the like, wherein the activated sludge method is used as the most widely applied sewage treatment technology, has better treatment effect and simple and convenient operation, but has large floor area and large sludge generation amount, and because the catering wastewater contains a large amount of surfactant, the sludge bulking condition is very prominent, the cost is high, and the application has certain limitation.
Therefore, it is necessary to find a technical scheme and an equipment device which has simple and convenient operation and control and is suitable for treating the wastewater of the independent or comprehensive micro catering service system, and the effluent standard of which reaches the primary standard of pollutant discharge standard of urban sewage treatment plants.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at avoiding the weak point among the prior art and providing a food and beverage waste water biochemical treatment system based on modified graphene, not only can guarantee that the play water quality of water after food and beverage waste water treatment reaches regeneration and reuse standard, can also overcome the mud inflation simultaneously, reduce engineering investment and working costs, have that the technique is reliable, the investment is little, easy maintenance, operation management is convenient, do not have secondary pollution's advantage.
The embodiment of the utility model provides a food and beverage waste water biochemical treatment system based on modified graphite alkene, including waste water equalizing basin, waste water reaction tank, play water sampling pond, modified graphite alkene reaction layer and aeration equipment, the one end intercommunication of waste water equalizing basin has the waste water inlet tube, the other end through cross the water return bend with waste water reaction tank intercommunication, the one end of going out the water sampling pond through cross the water return bend with waste water reaction tank intercommunication, other end intercommunication have the waste water drain pipe, modified graphite alkene reaction layer is fixed in inside organic matter and the difficult degradation thing that just can be used for absorbing waste water of waste water reaction tank, aeration equipment is located modified graphite alkene reaction layer lower extreme.
Furthermore, the aeration device comprises an aeration fan, an aeration pipe and a plurality of aeration discs, wherein one end of the aeration pipe is communicated with the air outlet end of the aeration fan, and the other end of the aeration pipe is communicated with the aeration discs.
Furthermore, the water passing bent pipe is arranged at the upper part of the wastewater reaction tank and is in an n-shaped arrangement.
Further, still including the grid device, the grid device is fixed in the one end of waste water equalizing basin and with the waste water equalizing basin intercommunication.
Further, the grid device comprises a grid pool, a fine grid, a filtering pool and a transmission device, wherein the grid pool is fixed at one end of the filtering pool and is communicated with the filtering pool, the fine grid is fixed in the grid pool and is used for removing large-scale waste materials in the grid pool, and the transmission device is fixed at the upper end of the filtering pool and is used for transmitting the waste materials in the filtering pool to the wastewater adjusting pool.
Furthermore, a filter screen for preventing impurities from entering the filter tank is arranged between the grating tank and the filter tank.
Furthermore, the transmission device comprises a lifting pump, a water suction pipe and a water outlet pipe, one end of the lifting pump is communicated with the water suction pipe, the other end of the lifting pump is communicated with the water outlet pipe, one end of the water suction pipe penetrates through the side wall of the filtering tank and extends to the inside of the filtering tank, and one end of the water outlet pipe is communicated with the wastewater inlet pipe.
Furthermore, the upper ends of the wastewater adjusting tank, the wastewater reaction tank and the effluent sampling tank are all provided with observation windows.
Furthermore, a water inlet is formed in one end of the grating pool.
Compared with the prior art, the utility model has the advantages that: because the waste water adjusting tank, the waste water reaction tank, the effluent sampling tank, the modified graphene reaction layer and the aeration device are arranged, in the using process of the catering waste water biochemical treatment system, oil and water in kitchen waste water can be firstly separated through the waste water adjusting tank, then the waste water in the waste water adjusting tank is transferred into the waste water reaction tank through the water passing bent pipe and by means of the self-flowing of water, after the waste water is transferred into the waste water reaction tank, the strong adsorption performance of the modified graphene reaction layer on organic matters and difficultly degraded matters in the waste water can be realized, simultaneously the contact area of a water body and air is increased by matching with micro bubbles formed by the aeration device, so that the adsorption performance of the modified graphene reaction layer is improved, the organic matters and the difficultly degraded matters in the waste water can be effectively absorbed and degraded, and finally the kitchen waste water treated in the waste water reaction tank is transferred into the effluent sampling tank through the water passing bent pipe, the food and beverage waste water biochemical treatment system based on the modified graphene can ensure that the quality of outlet water after food and beverage waste water treatment reaches the regeneration and reuse standard, can overcome sludge bulking, reduces engineering investment and operating cost, and has the advantages of reliable technology, small investment, easy maintenance, convenient operation and management and no secondary pollution.
Drawings
The invention is further described with the aid of the accompanying drawings, in which, however, the embodiments do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be derived from the following drawings without inventive effort.
Figure 1 is the cross-sectional view of well waste water equalizing basin, waste water reaction tank and play water sampling pond of the utility model.
FIG. 2 is the utility model discloses a food and beverage waste water biochemical treatment system's overall structure sketch map based on modified graphene
The figure includes: the device comprises a wastewater adjusting tank 1, a wastewater inlet pipe 11, a wastewater reaction tank 2, an effluent sampling tank 3, a wastewater drain pipe 31, a modified graphene reaction layer 4, an aeration device 5, an aeration fan 51, an aeration pipe 52, an aeration disc 53, a water passing bent pipe 6, a grating device 7, a grating tank 71, a water inlet 711, a fine grating 72, a filtering tank 73, a transmission assembly 74, a lifting pump 741, a water suction pipe 742, a water outlet pipe 743, a filter screen 75 and an observation window 8.
Detailed Description
The invention will be further described with reference to the following examples.
The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings 1-2, so as to make the technical solution of the present invention easier to understand and master.
In the present embodiment, it should be understood that the terms "middle", "upper", "lower", "top", "right side", "end", "front", "back", "middle", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present embodiment, if the connection or fixing manner between the components is not specifically described, the connection or fixing manner may be a bolt fixing manner, a pin connecting manner, or the like, which is commonly used in the prior art, and therefore, details thereof are not described in the present embodiment.
As shown in fig. 1-2, this embodiment provides a modified graphene-based restaurant wastewater biochemical treatment system, which includes a wastewater adjustment tank 1, a wastewater reaction tank 2, a water outlet sampling tank 3, a modified graphene reaction layer 4 and an aeration device 5, wherein one end of the wastewater adjustment tank 1 is communicated with a wastewater inlet pipe 11, the other end is communicated with the wastewater reaction tank 2 through a water elbow pipe 6, one end of the water outlet sampling tank 3 is communicated with the wastewater reaction tank 2 through a water elbow pipe 6, the other end is communicated with a wastewater drain pipe 31, the modified graphene reaction layer 4 is fixed inside the wastewater reaction tank 2 and can be used for absorbing organic matters and refractory degradation products in wastewater, the aeration device 5 is located at the lower end of the modified graphene reaction layer 4, the modified graphene reaction layer 4 is located in the middle of the wastewater reaction tank 2, the aeration device 5 is located at the bottom of the wastewater reaction tank 2, the modified graphene is a derivative material of graphene, has high adsorption performance and biocompatibility, has obvious structural defects caused by oxygen-containing groups on the surface, and has a strong adsorption effect on organic matters and refractory substances in wastewater due to the existence of polar oxygen-containing functional groups, thereby providing potential advantages for the application of the modified graphene in the field of water treatment.
Because the waste water adjusting tank 1, the waste water reaction tank 2, the effluent sampling tank 3, the modified graphene reaction layer 4 and the aeration device 5 are arranged, in the process of using the catering waste water biochemical treatment system, oil and water in kitchen waste water can be firstly separated through the waste water adjusting tank 1, then the waste water in the waste water adjusting tank 1 is transferred into the waste water reaction tank 2 through the water passing elbow 6 by means of the self-flowing of water, after the waste water is transferred into the waste water reaction tank 2, the strong adsorption performance of organic matters and refractory matters in the waste water can be realized through the modified graphene reaction layer 4, the contact area of a water body and air is increased by matching with micro bubbles formed by the aeration device 5, so that the adsorption performance of the modified graphene reaction layer 4 is improved, the organic matters and the refractory matters in the waste water can be effectively absorbed and degraded, and finally, the waste water passes through the water passing elbow 6, the kitchen wastewater treated in the wastewater reaction tank 2 is transmitted into the effluent sampling tank 3, and the modified graphene-based restaurant wastewater biochemical treatment system can ensure that the quality of the effluent water treated by the restaurant wastewater reaches the regeneration and reuse standard, can overcome sludge bulking, reduces engineering investment and operating cost, and has the advantages of reliable technology, small investment, easiness in maintenance, convenience in operation and management and no secondary pollution.
In a preferred embodiment, the aeration device 5 comprises an aeration fan 51, an aeration pipe 52 and a plurality of aeration discs 53, one end of the aeration pipe 52 is communicated with the air outlet end of the aeration fan 51, the other end of the aeration pipe is communicated with the aeration discs 53, and the aeration discs 53 generate micro-nano aeration, so that the aeration fan 51 can be started and the gas in the aeration fan 51 is transmitted into the aeration discs 53 through the aeration pipe 52 because the aeration device 5 comprises the aeration fan 51, the aeration pipe 52 and the aeration discs 53, and finally a large amount of micro-nano aeration is generated through the aeration discs 53, so that the contact area of kitchen sewage and air can be effectively increased, and the oxygen demand of biochemical reaction is improved.
In a preferred embodiment, the water passing elbow 6 is arranged on the upper part of the wastewater reaction tank 2, the water passing elbow 6 is in an n-type arrangement, and the water passing elbow 6 is respectively arranged between the regulating tank 1 and the wastewater reaction tank 2, and between the wastewater reaction tank 2 and the effluent sampling tank 3, so that the wastewater can automatically flow among the wastewater regulating tank 1, the wastewater reaction tank 2 and the effluent sampling tank 3, and the cost is reduced.
In a preferred embodiment, the kitchen waste water treatment device further comprises a grating device 7, the grating device 7 is fixed at one end of the waste water adjusting tank 1 and is communicated with the waste water adjusting tank 1, further, the grating device 7 comprises a grating tank 71, a fine grating 72, a filtering tank 73 and a transmission assembly 74, a water inlet 711 is formed in one end of the grating tank 71, the grating tank 71 is fixed at one end of the filtering tank 73 and is communicated with the filtering tank 73, the fine grating 72 is fixed in the grating tank 71 and is used for removing large waste materials in the grating tank 71, the transmission assembly 74 is fixed at the upper end of the filtering tank 73 and is used for transmitting waste materials in the filtering tank 73 to the waste water adjusting tank 1, and floating materials and impurities with large diameters in kitchen waste water can be effectively filtered due to the arrangement of the grating tank 71 and the fine grating 72.
In a preferred embodiment, a filter screen 75 for preventing impurities from entering the filter tank 73 is arranged between the grating tank 71 and the filter tank 73, and the filter screen 75 is arranged to remove impurities with smaller diameter in the kitchen wastewater, so that not only can blockage of a pipeline in the transmission process be avoided, but also the efficiency of subsequent wastewater treatment can be improved.
In a preferred embodiment, the transmission assembly 74 includes a lift pump 741, a water suction pipe 742 and a water outlet pipe 743, one end of the lift pump 741 is communicated with the water suction pipe 742, the other end of the lift pump is communicated with the water outlet pipe 743, one end of the water suction pipe 742 penetrates through a side wall of the filtering tank 73 and extends into the filtering tank 73, one end of the water outlet pipe 743 is communicated with the wastewater inlet pipe 11, the lift pump 741 can be started through cooperation between the lift pump 741, the water suction pipe 742 and the water outlet pipe 743, kitchen wastewater in the filtering tank 73 flows along the water suction pipe 742 to enter the water outlet pipe 743, and finally the kitchen wastewater is transmitted into the wastewater conditioning tank 1 through the wastewater inlet pipe 11.
In the preferred embodiment, waste water equalizing basin 1, waste water reaction tank 2 and 3 upper ends of play water sampling pond all are provided with observation window 8, owing to be provided with observation window 8, can observe the inside condition of waste water equalizing basin 1, waste water reaction tank 2 and play water sampling pond 3 in real time, conveniently observe and the understanding of each equalizing basin real-time condition.
The utility model discloses in a food and beverage waste water biochemical treatment system's application method based on modified graphene as follows:
firstly, kitchen wastewater is transferred into a grating tank 71 through a water inlet 711, then floating objects and impurities with larger diameters in the kitchen wastewater are filtered through a fine grating 72, then the wastewater passing through the fine grating 72 is filtered through a filter screen 75 to remove the impurities with smaller diameters in the kitchen wastewater, the kitchen wastewater flows into a filter tank 73, then a lift pump 741 is started to transfer the kitchen wastewater in the filter tank 73 into a water outlet tube 743 along a water suction tube 742, finally the kitchen wastewater is transferred into a wastewater adjusting tank 1 through a wastewater inlet tube 11, then the wastewater in the wastewater adjusting tank 1 is transferred into a wastewater reaction tank 2 through a water elbow 6 by means of the gravity flow of water, after the wastewater is transferred into the wastewater reaction tank 2, the strong adsorption performance of organic matters and refractory matters in the wastewater can be realized through a modified graphene reaction layer 4, and an aeration fan 51 is started at the same time, the gas in the aeration fan 51 is transmitted into the aeration discs 53 through the aeration pipes 52, finally, a large amount of micro-nano aeration is generated through the aeration discs 53, so that the contact area of kitchen sewage and air can be effectively increased, the oxygen demand of biochemical reaction is increased, the contact area of water and air is increased, the adsorption performance of the modified graphene reaction layer 4 is improved, organic matters and difficultly degraded substances in the wastewater can be effectively absorbed and degraded, finally, the kitchen wastewater treated in the wastewater reaction tank 2 is transmitted into the effluent sampling tank 3 through the water passing elbow pipe 6, impurity removal and filtration of the kitchen wastewater can be realized, the quality of the effluent treated by the restaurant wastewater can reach the regeneration and reuse standard, meanwhile, the sludge expansion can be overcome, the engineering investment and the operating cost are reduced, and the device has the advantages of reliable technology, small investment, Easy maintenance, convenient operation and management and no secondary pollution.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims (9)

1. The utility model provides a food and beverage waste water biochemical treatment system based on modified graphite alkene which characterized in that: including waste water equalizing basin, waste water reaction tank, play water sampling pond, modified graphite alkene reaction layer and aeration equipment, the one end intercommunication of waste water equalizing basin has the waste water inlet tube, the other end through cross the water return bend with waste water reaction tank intercommunication, the one end of going out the water sampling pond through cross the water return bend with waste water reaction tank intercommunication, other end intercommunication have the waste water drain pipe, modified graphite alkene reaction layer is fixed in inside organic matter and the difficult degradation thing that just can be used for absorbing the waste water of waste water reaction tank, aeration equipment is located modified graphite alkene reaction layer lower extreme.
2. The restaurant wastewater biochemical treatment system based on the modified graphene as claimed in claim 1, characterized in that: the aeration device comprises an aeration fan, an aeration pipe and a plurality of aeration discs, wherein one end of the aeration pipe is communicated with the air outlet end of the aeration fan, and the other end of the aeration pipe is communicated with the aeration discs.
3. The restaurant wastewater biochemical treatment system based on the modified graphene as claimed in claim 1, characterized in that: the water passing bent pipe is arranged at the upper part of the wastewater reaction tank and is in an n-shaped arrangement.
4. The restaurant wastewater biochemical treatment system based on the modified graphene as claimed in claim 1, characterized in that: the device is characterized by further comprising a grating device, wherein the grating device is fixed at one end of the wastewater adjusting tank and is communicated with the wastewater adjusting tank.
5. The restaurant wastewater biochemical treatment system based on the modified graphene as claimed in claim 4, characterized in that: the grid device comprises a grid pool, a fine grid, a filtering pool and a transmission device, wherein the grid pool is fixed at one end of the filtering pool and is communicated with the filtering pool, the fine grid is fixed in the grid pool and is used for removing large waste materials in the grid pool, and the transmission device is fixed at the upper end of the filtering pool and is used for transmitting waste water in the filtering pool to a waste water adjusting pool.
6. The restaurant wastewater biochemical treatment system based on the modified graphene as claimed in claim 5, characterized in that: a filter screen for preventing impurities from entering the filter tank is arranged between the grating tank and the filter tank.
7. The restaurant wastewater biochemical treatment system based on the modified graphene as claimed in claim 5, characterized in that: the transmission device comprises a lifting pump, a water suction pipe and a water outlet pipe, wherein one end of the lifting pump is communicated with the water suction pipe, the other end of the lifting pump is communicated with the water outlet pipe, one end of the water suction pipe penetrates through the side wall of the filter tank and extends to the inside of the filter tank, and one end of the water outlet pipe is communicated with the wastewater inlet pipe.
8. The restaurant wastewater biochemical treatment system based on the modified graphene as claimed in claim 5, characterized in that: and a water inlet is formed in one end of the grating pool.
9. The restaurant wastewater biochemical treatment system based on the modified graphene as claimed in claim 1, characterized in that: and the upper ends of the wastewater adjusting tank, the wastewater reaction tank and the effluent sampling tank are all provided with observation windows.
CN202021683282.7U 2020-08-12 2020-08-12 Catering waste water biochemical treatment system based on modified graphene Active CN213295095U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113600596A (en) * 2021-07-30 2021-11-05 丁庆 Kitchen waste integrated septic tank in-situ treatment integrated system and treatment method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113600596A (en) * 2021-07-30 2021-11-05 丁庆 Kitchen waste integrated septic tank in-situ treatment integrated system and treatment method

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