CN115893774A - Kitchen waste wastewater pretreatment equipment and technology thereof - Google Patents
Kitchen waste wastewater pretreatment equipment and technology thereof Download PDFInfo
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- CN115893774A CN115893774A CN202310091781.9A CN202310091781A CN115893774A CN 115893774 A CN115893774 A CN 115893774A CN 202310091781 A CN202310091781 A CN 202310091781A CN 115893774 A CN115893774 A CN 115893774A
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Abstract
The invention discloses kitchen waste and wastewater pretreatment equipment and a process thereof, and particularly relates to the technical field of wastewater pretreatment. The invention greatly reduces COD and BOD in the wastewater through pretreatment, is matched with a flocculating agent containing degrading enzyme, and accelerates the separation of the treated water through multi-layer filter screens in the inner filtering tank, the rotating centrifugal force of the inner filtering tank and the suction force of a water outlet suction pump at the bottom of the outer roller through preliminary degradation and flocculation, so that solid flocculate is enriched in the inner filtering tank and is convenient to clean.
Description
Technical Field
The invention relates to the technical field of wastewater pretreatment, in particular to kitchen waste wastewater pretreatment equipment and a kitchen waste wastewater pretreatment process.
Background
Compared with domestic sewage, the waste water generated after compression and dehydration of kitchen waste has the characteristics of high concentration, high viscosity, small water quantity and high treatment difficulty, and not only has high COD and BOD, but also has more impurities; therefore, the wastewater of the kitchen waste is subjected to sewage treatment and then is discharged after reaching the standard; at present, after oil-water separation, the kitchen wastewater is treated by an air flotation machine, a plate-and-frame filter press or a screw stacking machine.
However, in practical use, the treatment efficiency is general, and meanwhile, as the amount of kitchen waste wastewater is much less than that of domestic sewage, the wastewater needs to be accumulated for a certain period, so that the wastewater smells and pollutes the environment. Meanwhile, the places for placing part of small-sized equipment do not have enough places for placing excessive wastewater treatment equipment. The membrane filtration mode is directly adopted, so that the occupied area of equipment can be greatly reduced compared with the former mode, but flocs with higher treatment cost are more complicated to clean; the disadvantages of the prior art can thus be clearly seen: high energy consumption and high treatment cost: a plurality of devices are required to perform cooperative processing, so that more space is occupied, and the processing cost is relatively high; the flocculation can not be treated in time, and the drying and humidity of the flocculation can not be accurately controlled due to the need of arranging a special water storage place; therefore, the kitchen waste wastewater pretreatment equipment and the process thereof are provided as further improvements.
Disclosure of Invention
In order to overcome the above defects in the prior art, embodiments of the present invention provide a kitchen waste wastewater pretreatment apparatus and a process thereof, so as to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a kitchen garbage pretreatment of water equipment, includes braced frame, the top at braced frame both ends is fixed mounting respectively has first fixing base and second fixing base, be provided with the pretreatment device body between first fixing base and the second fixing base, the pretreatment device body includes interior filtration jar and outer drum, interior filtration jar is located the inside of outer drum, be provided with actuating mechanism between outer drum and the braced frame, the both ends of interior filtration jar are fixed mounting respectively has first driving shaft and second driving shaft, the one end that first driving shaft and second driving shaft kept away from each other rotates with first fixing base and second fixing base respectively and is connected, be provided with drive mechanism between first driving shaft and the braced frame, braced frame's bottom is provided with transmission device.
Furthermore, an inner cylinder cover for sealing an opening of the inner filter tank is mounted on the surface of the inner filter tank through a hinge, a sliding rail is arranged on the surface of the outer roller, and an outer cylinder cover for sealing an opening of the outer roller is mounted on the sliding rail.
Further, the driving mechanism comprises a rack driving servo motor fixedly installed at the top end of the supporting frame, an arc-shaped transmission rack is fixedly installed on the surface of the outer roller, and a transmission gear meshed with the transmission rack is fixedly installed on an output shaft of the rack driving servo motor.
Furthermore, the transmission mechanism comprises a dehydration roller driving motor fixedly mounted on the side surface of the supporting frame, and the dehydration roller driving motor is in transmission connection with the first driving shaft through a roller driving chain wheel and chain group.
Furthermore, the surface of the first driving shaft in the first fixed seat and the surface of the second driving shaft in the second fixed seat are respectively sleeved with a roller mounting bearing seat.
Furthermore, a pressure gauge is fixedly mounted on the end surface of the outer roller.
Furthermore, the outer cylinder is close to the fixed surface of outer cover and is installed two and connect plug-in high temperature steam intake pipe soon, the fixed surface that outer cover was kept away from to the outer cylinder installs and connects formula solenoid valve soon.
Furthermore, a sealing plate is fixedly mounted on the side surface of the supporting frame.
Further, the transmission device comprises a material conveying line, and striker plates are fixedly mounted on two sides of the top of the material conveying line.
A kitchen waste wastewater pretreatment process comprises the following specific steps:
the method comprises the following steps: the rack driving servo motor and the dehydration roller driving motor are electrified, the corresponding outer roller and the inner filter tank are in a static state;
step two: sequentially opening the outer cylinder cover and the inner cylinder cover, separating three phases of the kitchen waste wastewater, adding sufficient flocculating agent, and discharging the flocculating agent into the inner filtering tank;
step three: after the wastewater is poured into the inner filtering tank, the outer cylinder cover and the inner cylinder cover are closed;
step four: the dehydration roller driving motor orders about the rotation of the first driving shaft through the roller driving chain wheel and chain group, orders about the rotation of the inner filtering tank according to different speeds: firstly, rotating at a low speed to uniformly mix and stir the wastewater to promote flocculation, and then separating flocculate and water at a medium-high speed; the quick-connecting electromagnetic valve on the outer roller is matched with a water pumping device to discharge the sewage separated by the inner filter tank; the quick-connection plug-in type high-temperature steam inlet pipe on the outer roller can be connected with a steam generator, and the inner roller is heated and dried;
step five: after a certain time of treatment, the rack drives the servo motor to drive the transmission rack to rotate through the transmission gear, so that the outer cylinder cover on the outer roller rotates to the lower part, the outer cylinder cover and the inner cylinder cover are opened, dried flocculate is poured onto a material conveying line at the bottom of the supporting frame, and then the flocculate is transferred to other places. The invention has the technical effects and advantages that:
1. compared with the prior art, according to the characteristic of kitchen garbage waste water, carry out the pertinence preliminary treatment to the kitchen garbage waste water after the three-phase separation, the cooperation adds the flocculating agent that contains degrading enzyme and reduces COD and BOD in the waste water by a wide margin through the preliminary treatment, through preliminary degradation and flocculation rotatory and the interior multi-layer filter screen of filtering in the jar of filtering in the interior filtration jar again, utilize the rotatory centrifugal force of the jar of filtering in will and the drainage of the outlet suction pump of outer cylinder bottom to accelerate the separation of water after handling, therefore solid flocculate will be including filtering the jar and enrich, be convenient for clear up.
2. Compared with the prior art, through setting up interior filtration jar and outer cylinder, because dewatering drum driving motor drives about interior filtration jar and rotates according to the speed of difference: firstly, rotating at a low speed to uniformly mix and stir the wastewater to promote flocculation, and then separating flocculate and water at a medium-high speed; the quick-connecting electromagnetic valve on the outer roller is matched with a water pumping device to discharge the sewage separated by the inner filter tank; the quick-connection plug-in type high-temperature steam inlet pipe on the outer roller can be connected with a steam generator, heating and drying are carried out from the outside of the inner roller, and finally sewage pretreatment and sludge drying operation are finished.
3. Compared with the prior art, the rack-driven servo motor can be used for driving the outer cylinder cover on the outer roller to rotate to the lower part by arranging the material conveying line, the outer cylinder cover and the inner cylinder cover are opened, and the dried flocculate is poured onto the material conveying line at the bottom of the supporting frame and then is transported to other places; thereby facilitating the operation of the waste.
Drawings
Fig. 1 is a schematic diagram of an explosive structure according to the present invention.
FIG. 2 is a schematic view of the structure of the pretreatment apparatus of the present invention.
FIG. 3 is a schematic view of the structure of the driving motor of the dewatering drum of the present invention.
Fig. 4 is a schematic structural diagram of a rack driving servo motor according to the present invention.
FIG. 5 is a schematic cross-sectional view of the pretreatment apparatus of the present invention.
The reference signs are:
1. a support frame; 11. the rack drives a servo motor; 12. a drive rack; 13. a transmission gear; 14. a dewatering drum driving motor; 15. a roller driving chain wheel and chain group; 16. closing the plate;
2. a first fixed seat; 3. a second fixed seat;
4. pretreating the equipment body;
41. an inner filtering tank; 411. a first drive shaft; 412. a second driving shaft; 413. an inner cylinder cover;
42. an outer drum; 421. a slide rail; 422. an outer cylinder cover;
5. a transmission device; 51. a material conveying line; 52. a striker plate;
6. a bearing seat is arranged on the roller; 7. a pressure gauge; 8. a quick-connection plug-in type high-temperature steam inlet pipe; 9. connect formula solenoid valve soon.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Fig. 1-5 show a kitchen waste wastewater pretreatment device, including a supporting frame 1, the top at both ends of the supporting frame 1 is fixedly provided with a first fixing seat 2 and a second fixing seat 3 respectively, a pretreatment device body 4 is arranged between the first fixing seat 2 and the second fixing seat 3, the pretreatment device body 4 includes an inner filter tank 41 and an outer drum 42, the inner filter tank 41 is located inside the outer drum 42, a driving mechanism is arranged between the outer drum 42 and the supporting frame 1, both ends of the inner filter tank 41 are fixedly provided with a first driving shaft 411 and a second driving shaft 412 respectively, the ends of the first driving shaft 411 and the second driving shaft 412 which are far away from each other are rotatably connected with the first fixing seat 2 and the second fixing seat 3 respectively, a transmission mechanism is arranged between the first driving shaft 411 and the supporting frame 1, and the bottom of the supporting frame 1 is provided with a transmission device 5.
Wherein, the inner filtering tank 41 is distributed with holes of 3mm all over the body, and a plurality of layers of compact filter screens and filter paper are arranged in the tank;
wherein, a distance of 1.5-2cm is preferably arranged between the inner filtering tank 41 and the outer roller 42.
In a preferred embodiment, as shown in fig. 1 to 5, an inner cylinder cover 413 for closing the opening of the inner filter tank 41 is mounted on the surface of the inner filter tank 41 through a hinge, a sliding rail 421 is provided on the surface of the outer cylinder 42, and an outer cylinder cover 422 for closing the opening of the outer cylinder 42 is mounted on the sliding rail 421;
wherein, the peripheral edges of the inner drum cover 413 and the outer drum 42 are sealed by soft heat-resistant sealing rubber;
in a preferred embodiment, as shown in fig. 1-5, the driving mechanism comprises a rack driving servo motor 11 fixedly mounted at the top end of the supporting frame 1, a transmission rack 12 in an arc shape is fixedly mounted on the surface of the outer drum 42, and a transmission gear 13 meshed with the transmission rack 12 is fixedly mounted on the output shaft of the rack driving servo motor 11;
wherein, the rack driving servo motor 11 drives the transmission rack 12 to make the outer roller 42 rotate to be accurately positioned for feeding and blanking the outer roller 42 to the conveying line 51.
In a preferred embodiment, as shown in fig. 1-5, the transmission mechanism comprises a dewatering drum driving motor 14 fixedly mounted on the side of the supporting frame 1, the dewatering drum driving motor 14 is in transmission connection with the first driving shaft 411 through a drum driving sprocket chain set 15;
wherein, dehydration cylinder driving motor 14 adopts frequency conversion three-phase motor, is convenient for set up multiple speed mode, and low-speed cooperation high temperature steam carries out the preliminary treatment to the material, carries out centrifugal dehydration deoiling to the material at a high speed.
In a preferred embodiment, as shown in fig. 1 to 5, the surface of the first driving shaft 411 inside the first fixed seat 2 and the surface of the second driving shaft 412 inside the second fixed seat 3 are respectively sleeved with the roller mounting bearing seat 6;
in a preferred embodiment, as shown in fig. 1-5, a pressure gauge 7 is fixedly mounted to an end surface of the outer roller 42.
In a preferred embodiment, as shown in fig. 1 to 5, two quick-connect plug-in high-temperature steam inlet pipes 8 are fixedly mounted on the surface of the outer drum 42 close to the outer drum cover 422, and a quick-connect electromagnetic valve 9 is fixedly mounted on the surface of the outer drum 42 far from the outer drum cover 422;
wherein, the quick-connect plug-in type high-temperature steam inlet pipe 8 can be connected with a steam generator which can adopt a commonly used superheated steam generator on the market;
wherein, two are by the drain of the control of quick-connect solenoid valve 9, and the drain can match pumping device, strengthens interior filtration jar 41's filtration efficiency.
In a preferred embodiment, as shown in fig. 1-5, sealing plates 16 are fixedly mounted to the sides of the support frame 1.
In a preferred embodiment, as shown in fig. 1 to 5, the conveyor 5 comprises a material conveying line 51, and striker plates 52 are fixedly mounted on two sides of the top of the material conveying line 51.
Wherein, the material conveying line 51 is preferably a conveying line which is antiseptic, mildew-proof and convenient to clean.
A kitchen waste wastewater pretreatment process comprises the following specific steps:
the method comprises the following steps: energizing the rack driving servo motor 11 and the dewatering drum driving motor 14 to make the corresponding outer drum 42 and the inner filter tank 41 in a static state;
step two: sequentially opening the outer cylinder cover 422 and the inner cylinder cover 413, separating three phases of the kitchen waste wastewater, and then adding sufficient flocculating agent and discharging the flocculating agent into the inner filtering tank 41;
step three: after the wastewater is poured into the inner filtering tank 41, the outer cylinder cover 422 and the inner cylinder cover 413 are closed;
step four: the dehydration drum driving motor 14 drives the first driving shaft 411 to rotate through the drum driving sprocket chain set 15, and drives the inner filtering tank 41 to rotate according to different speeds: firstly, rotating at a low speed to uniformly mix and stir the wastewater to promote flocculation, and then separating flocculate and water at a medium-high speed; the quick-connection type electromagnetic valve 9 on the outer roller 42 is matched with a water pumping device to discharge the sewage separated by the inner filter tank 41; the quick-connection plug-in type high-temperature steam inlet pipe 8 on the outer roller 42 can be connected with a steam generator, and the inner roller 41 is heated and dried;
step five: after a certain period of treatment, the rack driving servo motor 11 drives the driving rack 12 to rotate through the transmission gear 13, so that the outer cylinder cover 422 on the outer cylinder 42 rotates to the lower part, the outer cylinder cover 422 and the inner cylinder cover 413 are opened, the dried flocculate is poured onto the material conveying line 51 at the bottom of the supporting frame 1, and then the flocculate is transported to other places.
The basic working principle of the known three-phase separation device is that an oil-gas-water mixture enters a pre-degassing chamber at a high speed, a large amount of crude oil associated gas is removed by cyclone separation and gravity, the pre-degassed oil-water mixture enters a distributor and a water washing chamber at a high speed through a guide pipe, washing and demulsifying are carried out in an active water layer containing a demulsifier, flow stabilization is carried out, the Reynolds coefficient of incoming liquid is reduced, the incoming liquid flows into a settling separation chamber for further settling separation after coalescence rectification, the degassed crude oil flows into an oil chamber after turning over a partition plate and being metered by a flowmeter, the degassed crude oil flows out of a separator after being controlled, and a water phase enters a water chamber through a guide pipe by means of pressure balance, so that the purpose of oil-gas-water three-phase separation is achieved.
It should be noted that, in this document, relational terms such as first and second, and the like are 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.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a kitchen garbage pretreatment of water equipment, includes braced frame (1), its characterized in that: the top at both ends of braced frame (1) is fixed mounting respectively has first fixing base (2) and second fixing base (3), be provided with between first fixing base (2) and second fixing base (3) preliminary treatment equipment body (4), preliminary treatment equipment body (4) are including interior filter tank (41) and outer cylinder (42), interior filter tank (41) are located the inside of outer cylinder (42), be provided with actuating mechanism between outer cylinder (42) and braced frame (1), the both ends of interior filter tank (41) are fixed mounting respectively has first driving shaft (411) and second driving shaft (412), the one end that first driving shaft (411) and second driving shaft (412) kept away from each other rotates with first fixing base (2) and second fixing base (3) respectively and is connected, be provided with drive mechanism between first driving shaft (411) and braced frame (1), the bottom of braced frame (1) is provided with transmission device (5).
2. The kitchen waste and wastewater pretreatment equipment according to claim 1, characterized in that: the surface of interior filter jar (41) is installed through the hinge and is sealed interior filter jar (41) open-ended interior cover (413), slide rail (421) have been seted up on the surface of outer cylinder (42), slide rail (421) are installed and are sealed outer cylinder cover (422) of outer cylinder (42) open-ended.
3. The kitchen waste and wastewater pretreatment equipment according to claim 1, characterized in that: the driving mechanism comprises a rack driving servo motor (11) fixedly installed at the top end of the supporting frame (1), an arc-shaped transmission rack (12) is fixedly installed on the surface of the outer roller (42), and a transmission gear (13) meshed with the transmission rack (12) is fixedly installed on an output shaft of the rack driving servo motor (11).
4. The kitchen waste and wastewater pretreatment equipment according to claim 1, characterized in that: the transmission mechanism comprises a dehydration roller driving motor (14) fixedly installed on the side face of the supporting frame (1), and the dehydration roller driving motor (14) is in transmission connection with the first driving shaft (411) through a roller driving chain wheel chain set (15).
5. The kitchen waste and wastewater pretreatment equipment according to claim 4, characterized in that: the surface of the first driving shaft (411) inside the first fixed seat (2) and the surface of the second driving shaft (412) inside the second fixed seat (3) are respectively sleeved with a roller mounting bearing seat (6).
6. The kitchen waste and wastewater pretreatment equipment according to claim 1, characterized in that: and a pressure gauge (7) is fixedly arranged on the end surface of the outer roller (42).
7. The kitchen waste and wastewater pretreatment equipment according to claim 2, characterized in that: outer cylinder (42) are close to the fixed surface of outer cover (422) and install two connect plug-in high temperature steam intake pipe (8) soon, the fixed surface that outer cover (422) was kept away from in outer cylinder (42) installs connect formula solenoid valve (9) soon.
8. The kitchen waste and wastewater pretreatment equipment according to claim 1, characterized in that: and a sealing plate (16) is fixedly arranged on the side surface of the supporting frame (1).
9. The kitchen waste and wastewater pretreatment equipment according to claim 1, characterized in that: the conveying device (5) comprises a material conveying line (51), and striker plates (52) are fixedly mounted on two sides of the top of the material conveying line (51).
10. A kitchen waste wastewater pretreatment process, a kitchen waste wastewater pretreatment apparatus according to claims 1-9, characterized in that: the method comprises the following specific steps:
the method comprises the following steps: energizing a rack driving servo motor (11) and a dewatering drum driving motor (14) to enable the rack driving servo motor and the dewatering drum driving servo motor to enable corresponding outer drums (42) and inner filter tanks (41) to be in a static state;
step two: sequentially opening an outer cylinder cover (422) and an inner cylinder cover (413), separating three phases of the kitchen waste wastewater, and then adding a sufficient amount of flocculant and discharging the flocculant into an inner filtering tank (41);
step three: after the waste water is poured into the inner filtering tank (41), the outer cylinder cover (422) and the inner cylinder cover (413) are closed;
step four: the dehydration roller driving motor (14) drives the first driving shaft (411) to rotate through the roller driving chain wheel chain group (15), drives the inner filtering tank (41) to rotate according to different speeds: firstly, rotating at a low speed to uniformly mix and stir the wastewater to promote flocculation, and then separating flocculate and water at a medium-high speed; the quick-connection type electromagnetic valve (9) on the outer roller (42) is matched with a water pumping device to discharge the sewage separated by the inner filtering tank (41); the quick-connection plug-in type high-temperature steam inlet pipe (8) on the outer roller (42) can be connected with a steam generator, and the inner roller (41) is heated and dried;
step five: after a certain period of treatment, the rack driving servo motor (11) drives the transmission rack (12) to rotate through the transmission gear (13), so that the outer cylinder cover (422) on the outer roller (42) rotates to the lower part, the outer cylinder cover (422) and the inner cylinder cover (413) are opened, and dried flocculates are poured onto the material conveying line (51) at the bottom of the supporting frame (1) and then are conveyed to other places.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310091781.9A CN115893774A (en) | 2023-01-17 | 2023-01-17 | Kitchen waste wastewater pretreatment equipment and technology thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310091781.9A CN115893774A (en) | 2023-01-17 | 2023-01-17 | Kitchen waste wastewater pretreatment equipment and technology thereof |
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| Publication Number | Publication Date |
|---|---|
| CN115893774A true CN115893774A (en) | 2023-04-04 |
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ID=86497091
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310091781.9A Pending CN115893774A (en) | 2023-01-17 | 2023-01-17 | Kitchen waste wastewater pretreatment equipment and technology thereof |
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| Country | Link |
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| CN (1) | CN115893774A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117361797A (en) * | 2023-11-16 | 2024-01-09 | 唐山学院 | Biological purification treatment equipment for industrial sewage |
-
2023
- 2023-01-17 CN CN202310091781.9A patent/CN115893774A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117361797A (en) * | 2023-11-16 | 2024-01-09 | 唐山学院 | Biological purification treatment equipment for industrial sewage |
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