CN211170199U - Dense water pretreatment device for kitchen waste - Google Patents

Dense water pretreatment device for kitchen waste Download PDF

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Publication number
CN211170199U
CN211170199U CN201921793104.7U CN201921793104U CN211170199U CN 211170199 U CN211170199 U CN 211170199U CN 201921793104 U CN201921793104 U CN 201921793104U CN 211170199 U CN211170199 U CN 211170199U
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China
Prior art keywords
sludge
pipeline
dosing
kitchen waste
discharge
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CN201921793104.7U
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Chinese (zh)
Inventor
王铄
孔祥成
吴云南
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Suzhou Tengkang Environmental Protection Technology Co ltd
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Suzhou Tengkang Environmental Protection Technology Co ltd
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Abstract

The utility model relates to a thick water pretreatment of kitchen garbage device, include: a reflux mixing device, a coagulation dosing device, a sludge settling device and a discharging device; the coagulation dosing device is arranged at the lower end of the backflow mixing device; the coagulation dosing device comprises a first dosing area and a second dosing area; an output pipeline is arranged on the second dosing region; the sludge precipitation device is connected with the second dosing area through the output pipeline; the sludge settling device is provided with a discharge pipeline; the discharge device is connected with the sludge settling device through the discharge pipeline. The utility model discloses a charge device thoughtlessly congeals can reduce anaerobic digestion jar volume, reduces the medicament consumption, reduces the total salt content of clear water, through the backflow mixing device, adopts out the water backward flow to mix with dense water, improves the effect of coagulating, shortens dwell time, adopts upper and lower layer mud, clear water and the interval separation design of work, the promotion many times of the material of reduction, simple structure, the practicality is strong.

Description

Dense water pretreatment device for kitchen waste
Technical Field
The utility model relates to a kitchen garbage handles the field, especially relates to a thick water pretreatment of kitchen garbage device.
Background
The concentration of the kitchen waste is too high and is more than 1% (under the condition of thorough three-phase separation). The current main idea is to carry out anaerobic digestion completely and produce methane to the maximum extent. Because the digestion period of the solid impurities is different from that of the clear liquid, the solid impurities can be completely digested by the retention time of more than 30 days. On one hand, the method causes the anaerobic digestion tank to have larger volume, and on the other hand, the biogas slurry after anaerobic digestion is extremely unstable and difficult to dehydrate. For small-scale kitchen projects, the investment is large, the operation cost is high, and the enterprise operation pressure is large. Therefore, a kitchen waste concentrated water pretreatment device which separates kitchen waste concentrated water, reduces the anaerobic digestion period and greatly reduces the subsequent sewage treatment operation cost is needed.
SUMMERY OF THE UTILITY MODEL
The to-be-solved problem of the utility model is to provide a kitchen garbage concentrated water pretreatment device that job stabilization, work efficiency are high, the medicine drops into few, with low costs.
In order to guarantee in the use, can guarantee job stabilization, work efficiency is high, and the medicine drops into fewly, the utility model relates to a thick water pretreatment of kitchen garbage device, include:
a reflux mixing device, a coagulation dosing device, a sludge settling device and a discharging device;
the coagulation dosing device is arranged at the lower end of the backflow mixing device; the coagulation dosing device comprises a first dosing area and a second dosing area; an output pipeline is arranged on the second dosing region; the sludge precipitation device is connected with the second dosing area through the output pipeline; the sludge settling device is provided with a discharge pipeline; the discharge device is connected with the sludge settling device through the discharge pipeline.
The beneficial effects of the utility model are that, through coagulating charge device, can reduce anaerobic digestion jar volume, and can not adjust the pH value, direct processing, can reduce the medicament consumption, reduce the total salt content of clear water, reduce the influence to subsequent processing, rethread backflow mixing device, adopt out water backward flow and dense water mixture, can improve the effect of coagulating, reduce the coagulant and throw the volume of adding, shorten dwell time, reduce and take up an area of, and through adopting upper and lower layer mud, clear water and the separation design of operating range, the promotion many times of the material of reduction, moreover, the steam generator is simple in structure, therefore, the clothes hanger is strong in practicability.
Further, a water inlet pipeline is arranged on the first dosing area; and stirring rods are arranged in the first dosing area and the second dosing area. Get into first district of adding medicine through the inlet channel to through the effect of stirring rod in first district of adding medicine, the stirring in the second district of adding medicine, guarantee the intensive mixing of raw water and medicine.
Further, a transition pipeline is arranged on the first dosing area; the second dosing area is connected with the first dosing area through the transition pipeline. The raw water mixed and treated in the first dosing area is introduced into the second dosing area through the transition pipeline, so that the stability of the work is ensured. The transition pipeline can be additionally provided with a pipeline switch, and the second dosing region is introduced after the mixing treatment in the first dosing region is finished, so that the stability of the work is ensured.
Further, a sludge conveying pipeline and a sludge pump are arranged on the sludge settling device; the lower end of the sludge conveying pipeline is connected with the sludge pump. And separating the sludge in the sludge settling device by a sludge pump.
Further, a sludge storage chamber is arranged at the upper end of the sludge settling device; the upper end of the sludge conveying pipeline is connected with the sludge storage chamber; and a first lifting pump is arranged on the sludge conveying pipeline. The sludge is sucked into the sludge conveying pipeline by pressure suction through the first lifting pump and is discharged out through the sludge conveying pipeline.
Further, a mud bucket is arranged in the discharging device; a filtering and discharging pipeline is arranged on the mud bucket; the filtering and discharging pipeline is connected with the sludge storage chamber. A small part of sludge remained in the liquid is continuously filtered under the action of the sludge hopper and is discharged through a filtering and discharging pipeline.
Furthermore, a second lifting pump is arranged on the filtering discharge pipeline. And discharging the sludge in the discharging device through the action of pressure suction by the action of a second lifting pump.
Furthermore, a clear water storage chamber is arranged on the discharge device; a clean water pump is arranged in the discharging device; a clear water pipeline is arranged on the clear water pump; the clear water pipeline is connected with the clear water storage chamber. Clear water is discharged into the clear water storage chamber through the clear water pump, and the situation that overstocked water is generated in the discharging device is guaranteed.
Furthermore, a return pipeline and a dehydrator are arranged in the sludge storage chamber; the lower end of the backflow pipeline is connected with the backflow mixing device. The sludge is sent to a sludge storage chamber through a first lifting pump, a dehydrator is used for dehydrating the sludge, and a mud cake is loaded on a truck and transported outside; the filtrate automatically flows through a return pipeline and enters a backflow mixing device.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a sectional view of a kitchen waste concentrated water pretreatment device of the utility model;
fig. 2 is a stirring rod diagram of the kitchen waste concentrated water pretreatment device of the utility model;
fig. 3 is a top view of the kitchen waste concentrated water pretreatment device of the present invention;
fig. 4 is the utility model discloses a thick water pretreatment of kitchen garbage device's cross-sectional view.
The corresponding part names indicated by the numbers in the figures:
1. a reflux mixing device; 2. a coagulation dosing device; 3. a sludge settling device; 4. a discharge device; 5. a first dosing zone; 6. a second dosing zone; 7. an output pipe; 8. a discharge conduit; 9. a water inlet pipe; 10. a stirring rod; 11. a transition duct; 12. a sludge conveying pipeline; 13. a sludge pump; 14. a sludge storage chamber; 15. a first lift pump; 16. a mud bucket; 17. a filtration discharge line; 18. a second lift pump; 19. a clear water storage chamber; 20. a clean water pump; 21. a clear water pipeline; 22. a return line; 23. a return line; 24. and (4) a dehydrator.
Detailed Description
The following detailed description is made in conjunction with specific embodiments of the present invention:
the to-be-solved problem of the utility model is to provide a kitchen garbage concentrated water pretreatment device that job stabilization, work efficiency are high, the medicine drops into few, with low costs.
As shown in fig. 1, fig. 3, fig. 4, in order to guarantee in the use, can guarantee job stabilization, work efficiency is high, and the medicine drops into fewly, the utility model relates to a kitchen garbage dense water pretreatment device, include:
a reflux mixing device 1, a coagulation dosing device 2, a sludge settling device 3 and a discharge device 4;
the coagulation dosing device 2 is arranged at the lower end of the backflow mixing device 1; the coagulation dosing device 2 comprises a first dosing region 5 and a second dosing region 6; an output pipeline 7 is arranged on the second dosing region 6; the sludge settling device 3 is connected with the second dosing area 6 through the output pipeline 7; a discharge pipeline 8 is arranged on the sludge settling device 3; the discharge device 4 is connected with the sludge settling device 3 through the discharge pipeline 8.
The beneficial effects of the utility model are that, through coagulating charge device 2, can reduce anaerobic digestion jar volume, and can not adjust the pH value, direct processing, can reduce the medicament consumption, reduce the total salt content of clear water, reduce the influence to subsequent processing, rethread backflow mixing device, adopt out water backward flow and dense water mixture, can improve the coagulation effect, reduce the coagulant input volume, shorten dwell time, reduce and take up an area of, and through adopting upper and lower layer mud, clear water and the separation design of operating range, the promotion many times of the material of reduction, moreover, the steam generator is simple in structure, therefore, the clothes hanger is strong in practicability.
As shown in fig. 2, further, a water inlet pipe 9 is arranged on the first dosing area 5; and stirring rods 10 are arranged in the first dosing area 5 and the second dosing area 6. Get into first district 5 that adds medicine through inlet channel 9 to through the effect of stirring rod 10 in first district 5 that adds medicine, the stirring in the second district 6 that adds medicine, guarantee the intensive mixing of raw water and medicine.
Further, a transition pipeline 11 is arranged on the first dosing area 5; the second dosing region 9 is connected with the first dosing region 5 through the transition pipeline 11. The raw water after the mixing treatment in the first dosing area 5 is introduced into the second dosing area 6 through the transition pipeline 11, so that the stability of the work is ensured. A pipeline switch can be additionally arranged on the transition pipeline 11, and the mixed treatment in the first dosing area 5 is completed and then the mixed treatment is introduced into the second dosing area 6, so that the stability of the work is ensured.
Further, a sludge conveying pipeline 12 and a sludge pump 13 are arranged on the sludge settling device 3; the lower end of the sludge conveying pipeline 12 is connected with the sludge pump 13. The sludge in the sludge settling apparatus 3 is separated by the sludge pump 13.
Further, a sludge storage chamber 14 is arranged at the upper end of the sludge settling device 3; the upper end of the sludge conveying pipeline 12 is connected with the sludge storage chamber 14; the sludge conveying pipeline 12 is provided with a first lifting pump 15. The sludge is sucked into the sludge transporting pipe 12 by pressure suction by the first lift pump 15 and discharged therethrough.
Further, a mud bucket 16 is arranged in the discharge device 4; a filtering and discharging pipeline 17 is arranged on the mud bucket 16; the filtering discharge pipe 17 is connected to the sludge storage chamber 14. The residual sludge in the liquid is filtered by the mud bucket 16 and discharged through the filtering and discharging pipeline 17.
Further, a second lift pump 18 is disposed on the filtering discharge pipe 17. The sludge in the discharge device 4 is discharged by the action of pressure suction by the action of the second lift pump 18.
Further, a clear water storage chamber 19 is arranged on the discharge device 4; a clean water pump 20 is arranged in the discharging device 4; a clean water pipeline 21 is arranged on the clean water pump 20; the clean water pipe 21 is connected to the clean water storage chamber 19. Clear water is discharged into the clear water storage chamber 19 through the clear water pump 20, ensuring that no overstock is generated in the discharge device 4.
Furthermore, a return pipeline 23 and a dehydrator 24 are arranged in the sludge storage chamber 14; the lower end of the return pipe 23 is connected to the backflow mixing device 1. The sludge is sent to the sludge storage chamber 14 through the first lifting pump 15, the dewatering machine 24 is used for sludge dewatering, the mud cake is loaded and transported outside, the filtrate flows through the backflow pipeline automatically, and 2 enters the backflow mixing device 1.
In actual operation, raw water enters the first dosing region 5 through the water inlet pipeline 9, is stirred by the stirring rod 10 in the first dosing region 5, is transmitted to the second dosing region 6 through the transition pipeline 11 after being fully stirred and reacted, is mixed and stirred with the medicine components in the second dosing region 6 again, then the sludge is input into the sludge settling device 3 together with the output pipeline 7, the sludge in the sludge settling device 3 is separated by a sludge pump 13, the sludge is sucked into the sludge conveying pipeline 12 by pressure suction through a first lifting pump 15, and is discharged through the discharging device, and the discharging device 4 continuously filters out a small part of sludge remained in the liquid through the action of the hopper 16, and is discharged through the filtering discharge pipeline 17, and clear water is discharged into the clear water storage chamber 19 through the clear water pump 20, so that the accumulation in the discharge device 4 is avoided.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (9)

1. A kitchen waste concentrated water pretreatment device is characterized by comprising a backflow mixing device, a coagulation dosing device, a sludge precipitation device and a discharge device;
the coagulation dosing device is arranged at the lower end of the backflow mixing device; the coagulation dosing device comprises a first dosing area and a second dosing area; an output pipeline is arranged on the second dosing region; the sludge precipitation device is connected with the second dosing area through the output pipeline; the sludge settling device is provided with a discharge pipeline; the discharge device is connected with the sludge settling device through the discharge pipeline.
2. The kitchen waste concentrated water pretreatment device according to claim 1, characterized in that: a water inlet pipeline is arranged on the first dosing region; and stirring rods are arranged in the first dosing area and the second dosing area.
3. The kitchen waste concentrated water pretreatment device according to claim 1, characterized in that: a transition pipeline is arranged on the first dosing region; the second dosing area is connected with the first dosing area through the transition pipeline.
4. The kitchen waste concentrated water pretreatment device according to claim 1, characterized in that: the sludge settling device is provided with a sludge conveying pipeline and a sludge pump; the lower end of the sludge conveying pipeline is connected with the sludge pump.
5. The kitchen waste concentrated water pretreatment device according to claim 4, characterized in that: the upper end of the sludge settling device is provided with a sludge storage chamber; the upper end of the sludge conveying pipeline is connected with the sludge storage chamber; and a first lifting pump is arranged on the sludge conveying pipeline.
6. The kitchen waste concentrated water pretreatment device according to claim 5, characterized in that: a mud bucket is arranged in the discharging device; a filtering and discharging pipeline is arranged on the mud bucket; the filtering and discharging pipeline is connected with the sludge storage chamber.
7. The kitchen waste concentrated water pretreatment device according to claim 6, characterized in that: and a second lifting pump is arranged on the filtering discharge pipeline.
8. The kitchen waste concentrated water pretreatment device according to claim 1, characterized in that: the discharging device is provided with a clear water storage chamber; a clean water pump is arranged in the discharging device; a clear water pipeline is arranged on the clear water pump; the clear water pipeline is connected with the clear water storage chamber.
9. The kitchen waste concentrated water pretreatment device according to claim 5, characterized in that: a return pipeline and a dehydrator are arranged in the sludge storage chamber; the lower end of the backflow pipeline is connected with the backflow mixing device.
CN201921793104.7U 2019-10-24 2019-10-24 Dense water pretreatment device for kitchen waste Active CN211170199U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921793104.7U CN211170199U (en) 2019-10-24 2019-10-24 Dense water pretreatment device for kitchen waste

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921793104.7U CN211170199U (en) 2019-10-24 2019-10-24 Dense water pretreatment device for kitchen waste

Publications (1)

Publication Number Publication Date
CN211170199U true CN211170199U (en) 2020-08-04

Family

ID=71796665

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921793104.7U Active CN211170199U (en) 2019-10-24 2019-10-24 Dense water pretreatment device for kitchen waste

Country Status (1)

Country Link
CN (1) CN211170199U (en)

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