CN115106360A - Kitchen waste desanding system - Google Patents
Kitchen waste desanding system Download PDFInfo
- Publication number
- CN115106360A CN115106360A CN202210831047.7A CN202210831047A CN115106360A CN 115106360 A CN115106360 A CN 115106360A CN 202210831047 A CN202210831047 A CN 202210831047A CN 115106360 A CN115106360 A CN 115106360A
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- sand
- box
- screw conveyor
- kitchen waste
- stripping
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/30—Destroying solid waste or transforming solid waste into something useful or harmless involving mechanical treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Screw Conveyors (AREA)
Abstract
本发明的一种餐厨废弃物除砂系统，包括沉砂箱、防水螺旋输送机和气提箱，沉砂箱装设在防水螺旋输送机上部，防水螺旋输送机的末端与气提箱相连通，沉砂箱底部呈倾斜状并在其底部设置有出料口，出料口与防水螺栓输送机相连通，沉砂箱内置折流板，折流板分别交错间隔分别布设在沉砂箱的内侧面，气提箱内装设有提砂螺旋输送机。本发明所述的一种餐厨废弃物除砂系统，通过将沉砂箱、防水螺旋输送机和气提箱进行组合设置，同时结合启停机保护系统，解决了现有除砂技术中的有机质损失量大、分离效果差、稀释用水量大、频繁启停机易堵塞的问题。
A kitchen waste de-sanding system of the invention comprises a grit chamber, a waterproof screw conveyor and an air lift box. The grit chamber is installed on the upper part of the waterproof screw conveyor, and the end of the waterproof screw conveyor is communicated with the air lift box. The bottom of the sand box is inclined and a discharge port is arranged at the bottom. The discharge port is connected with the waterproof bolt conveyor. The sand chamber has built-in baffles, and the baffles are respectively arranged on the inner side of the sand chamber at staggered intervals. , The air lift box is equipped with a sand-lifting screw conveyor. The kitchen waste sand removal system of the present invention solves the loss of organic matter in the existing sand removal technology by combining the grit chamber, the waterproof screw conveyor and the air lift box, and combining with the start-stop protection system. Large, poor separation effect, large amount of dilution water, frequent start and stop, easy to block problems.
Description
Technical Field
The invention relates to the technical field of kitchen waste treatment, in particular to a kitchen waste desanding system.
Background
The kitchen waste in China has complex components, the slurry obtained after pretreatment has the characteristics of high solid content and high viscosity, and the traditional sand-water separation device for water treatment has serious sand removal blockage and low sand extraction efficiency. Through development in recent years, the technical principles of the kitchen waste desanding device used in the current kitchen industry include gravity sand setting, centrifugal sand setting and dilution homogenate sand setting, but the technical principles still have obvious defects: the gravity sand setting has large organic matter loss, poor centrifugal sand setting separation effect by direct rotational flow and stirring, large water consumption for diluting and homogenizing sand setting, and serious problems of frequent shutdown and blockage of each device. Therefore, a novel kitchen waste desanding system is needed to be provided, the problems are solved, and the kitchen waste desanding effect is improved.
Disclosure of Invention
The invention aims to provide a novel kitchen waste desanding system, and aims to solve the problems that in the existing desanding technology, the loss of organic matters is large, the separation effect is poor, the water consumption for dilution is large, and frequent starting and stopping are easy to block.
According to one aspect of the invention, the kitchen waste desanding system comprises a sand settling box, a waterproof spiral conveyor and an air stripping box, wherein the sand settling box is arranged at the upper part of the waterproof spiral conveyor, the tail end of the waterproof spiral conveyor is communicated with the air stripping box, the bottom of the sand settling box is inclined and is provided with a discharge hole, the discharge hole is communicated with the waterproof spiral conveyor, baffle plates are arranged in the sand settling box, the baffle plates are respectively arranged on the inner side surfaces of the sand settling box in a staggered and spaced mode, and the air stripping box is internally provided with a sand stripping spiral conveyor.
Preferably, a water turning plate is arranged in the gas stripping box to divide the gas stripping box into a flushing area, a buffer area and a gas stripping area, the water turning plate between the flushing area and the buffer area is positioned at the upper part and extends downwards, the flushing area is communicated with the bottom of the buffer area, the water turning plate between the gas stripping area and the buffer area is arranged at the bottom of the gas stripping box, and an overflow port is formed in the water turning plate.
Preferably, on the basis of the scheme, one end of the sand extracting screw conveyor is positioned at the bottom of the flushing area, and the other end of the sand extracting screw conveyor extends upwards in an inclined shape.
On the basis of the scheme, preferably, the bottom of the gas stripping area is provided with a gas stripping pump.
On the basis of the scheme, the water distributor is preferably arranged at the bottom of the flushing area, the bottom surface of the flushing area is an inclined surface, and the water distributor is communicated with an outlet of the air stripping pump.
On the basis of the scheme, the waterproof spiral conveyor is preferably communicated with the air stripping box through a pneumatic gate valve.
On the basis of the scheme, the cross section of the lower part of the sand settling box is preferably triangular, and the waterproof screw conveyor is communicated with the bottom of the sand settling box.
On the basis of the scheme, preferably, the side face of the bottom of the sand depositing box, which is inclined, is provided with an inspection pipe.
On the basis of the scheme, the inspection pipe is preferably communicated with the outlet of the stripping pump.
The kitchen waste desanding system is based on the technical principle of gravity sand setting, circulating sand washing and air stripping, the sand setting box, the waterproof spiral conveyor and the air stripping box are combined, and the start-stop protection system and the air source supply device are combined, so that the dual improvement of the sand setting efficiency and the effect is realized, and the problems that the loss amount of organic matters is large, the separation effect is poor, the water consumption for dilution is large, and frequent start-stop and easy blockage are solved in the existing desanding technology.
Drawings
FIG. 1 is a plan layout view of the upper layer of the system of the kitchen waste desanding system;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention;
FIG. 3 is a cross-sectional view B-B of FIG. 1 in accordance with the present invention;
fig. 4 is a cross-sectional view C-C of fig. 1 of the present invention.
In the figure: the device comprises a sand depositing box 10, a baffle plate 11, an inspection pipe 12, a waterproof screw conveyor 20, an air stripping box 30, a water turning plate 31, a flushing area 32, a buffer area 33, an air stripping area 34, an air stripping pump 36, an overflow port 35, a water distributor 37, a sand extracting screw conveyor 40 and a pneumatic gate valve 50.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Referring to fig. 1, the kitchen waste desanding system comprises a sand settling box 10, a waterproof screw conveyor 20 and an air stripping box 30, wherein the sand settling box 10 is arranged on the upper portion of the waterproof screw conveyor 20, the tail end of the waterproof screw conveyor 20 is communicated with the air stripping box 30, the bottom of the sand settling box 10 is inclined, a discharge hole is formed in the bottom of the sand settling box 10 and communicated with the waterproof screw conveyor, baffle plates 11 are arranged in the sand settling box 10, the baffle plates 11 are respectively arranged on the inner side surfaces of the sand settling box 10 at staggered intervals, and a sand extracting screw conveyor 40 is arranged in the air stripping box 30.
When in work, materials entering the system firstly pass through the sand settling box 10 and flow in a folding way under the action of the baffle plate 11, settled sand is deposited at the bottom of the sand settling box 10 with an inclination angle, so as to ensure higher solid content of the primary sand setting, ensure normal output of the sand setting with high solid content without blockage, regularly discharge the sand setting into the stripping box 30 through the waterproof screw conveyor 20, because the output settled sand has higher organic matter content, the organic matter is lost and the resource utilization of the settled sand is not beneficial to directly discharging, therefore, after the settled sand is subjected to high-flow circulating gas washing by gas stripping to remove organic matters in the settled sand, the flow state is adjusted by the water turning plate, the sand deposition amount is improved, part of the sand after organic matters are removed is discharged out of the system by a draining and sand extracting device arranged in the air stripping box 30, and water in the settled sand flows back to the air stripping area 34 of the air stripping box 30 through a draining groove through an opening at the bottom of the screw conveyor in the conveying process of the draining and sand extracting device. The air stripping box 30 is provided with a cleaning water replenishing pipe, an SS monitoring instrument is arranged in the air stripping area, and when the solid concentration in the sewage in the air stripping area reaches a certain limit value, the water replenishing pipe automatically replenishes water to the air stripping area so as to ensure the sand washing effect.
It is worth to be noted that the start-stop protection system of the invention is based on system equipment, executes automatic control after debugging, is arranged in the system control box, realizes the full-automatic operation of the system, and the air source supply device is positioned beside the air stripping circulating sand washing device and provides an air source for the whole system.
As shown in fig. 2, the lower part of the sand setting tank 10 of the present invention has a triangular cross-section to improve sand setting effect, and a waterproof screw conveyor 20 is communicated with the bottom of the sand setting tank 10. The feed inlet of the waterproof screw conveyor 20 has the same angle with the inclined plane below the connected baffling sand setting device, and the inclination angle can be adjusted to be 45-60 degrees according to the material property.
Further, in order to avoid blockage, a pneumatic gate valve 50 is arranged behind the waterproof screw conveyor 20 and communicated with the air stripping box 30, so that material leakage during intermittent shutdown is prevented.
The bottom of the sand settling box 10 is inclined, and the inclined side surface of the sand settling box is provided with the inspection pipe 12, so that the sand settling box can be used for confirming a sand discharge period and cleaning liquid backflow in operation and preventing sand settling bridging in a debugging period, and can also be used as a sand discharge detection pipe and a backflow pipe in operation at fixed time in the debugging period, the baffle plate is arranged above the inclined plane at the bottom of the baffling sand settling device, and the upper side of the baffle plate is opened, so that the sand settling box body is integrally communicated.
In the working process, the kitchen waste is firstly led into the sand settling box 10 and enters from the left side of the sand settling box 10, under the action of water flow, due to the action of the baffle plate 11, the kitchen waste moves from the left side to the right side in the sand settling box 10 on the one hand, on the other hand, gravels with high density in the kitchen waste are deposited at the bottom and are transferred to the right air stripping box 30 under the action of the waterproof spiral conveyor 20, and in the air stripping box 30, air stripping and filtering are carried out to realize quick separation of the kitchen waste through the sand stripping spiral conveyor 40.
For further details of the solution of the present invention, please refer to fig. 2, a water turning plate 31 is disposed in the gas stripping tank 30 of the present invention to divide the gas stripping tank 30 into a flushing zone 32, a buffer zone 33 and a gas stripping zone 34, the water turning plate 31 between the flushing zone 32 and the buffer zone 33 is disposed at the upper portion and extends downward, the flushing zone 32 is communicated with the bottom of the buffer zone 33, the water turning plate 31 between the gas stripping zone 34 and the buffer zone 33 is disposed at the bottom of the gas stripping tank 30, and an overflow port 35 is disposed on the water turning plate 31.
Preferably, the bottom of the flushing area 32 is provided with an inclination angle for settling sand, the inclination angle is provided with a water distributor 37 connected with an air stripping pump 36 of the air stripping area 34 for circularly cleaning the feeding sand, a water turning plate 31 is arranged between the flushing area 32 and the buffer area 33, the bottom of the material flushing area 32 enters the buffer area, and the material flushing area is overflowed and discharged from an overflow port 35 at the upper part of the buffer area after full sand settling.
As shown in fig. 3, one end of the sand lifting screw conveyor 40 of the present invention is located at the bottom of the washing area 32, and the other end of the sand lifting screw conveyor 40 extends upward in an inclined shape.
In the invention, a sand-extracting screw conveyor 40 is partially arranged in a stripping box 30, the cleaned settled sand is lifted out of the system through the screw conveyor connected to the bottom of the stripping box 30, and water in the settled sand flows back to a stripping area 34 of the stripping box 30 through a water draining tank through an opening at the bottom of the screw conveyor in the conveying process. The air stripping box 30 is provided with a cleaning water replenishing pipe, an SS monitoring instrument is arranged in the air stripping area, and when the concentration of solid in sewage in the air stripping area reaches a certain limit value, the water replenishing pipe automatically replenishes water to the air stripping area so as to ensure the sand washing effect. And the air supply device is used for supplying air to the system pneumatic valve and the air stripping pump 36.
Furthermore, the start-stop protection system is arranged in the system control box, and can realize that: before starting, the sand setting air flushing is carried out, so that the sand setting plate is prevented from being hardened and bridged, and the conveying of the sand setting device is influenced; the sand washing liquid flows back before the machine is stopped, and the sand washing liquid flows back to the sand setting device to prevent the sand washing tank from being blocked by solid deposition; the draining and sand extracting device is closed in a delayed mode, and the draining and sand extracting device is emptied, so that the problem of stop and blockage is solved.
According to the kitchen waste desanding system, the sand settling box 10, the circulating sand washing device and the draining and sand lifting device are combined, and the start-stop protection system is combined, so that the problems that the organic matter loss is large, the separation effect is poor, the dilution water consumption is large, and frequent start-stop is easy to block in the existing desanding technology are solved.
Finally, the method of the present application is only a preferred embodiment and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The kitchen waste desanding system is characterized by comprising a sand settling box, a waterproof screw conveyor and an air stripping box, wherein the sand settling box is arranged on the upper portion of the waterproof screw conveyor, the tail end of the waterproof screw conveyor is communicated with the air stripping box, the bottom of the sand settling box is inclined and is provided with a discharge port, the discharge port is communicated with the waterproof bolt conveyor, baffle plates are arranged in the sand settling box and are respectively arranged on the inner side surfaces of the sand settling box at staggered intervals, and the air stripping box is internally provided with the sand lifting screw conveyor.
2. The kitchen waste desanding system as claimed in claim 1, wherein a water turning plate is arranged in the gas stripping box to divide the gas stripping box into a flushing area, a buffer area and a gas stripping area, the water turning plate between the flushing area and the buffer area is located at the upper part and extends downwards, the flushing area is communicated with the bottom of the buffer area, the water turning plate between the gas stripping area and the buffer area is arranged at the bottom of the gas stripping box, and an overflow port is formed in the water turning plate.
3. The kitchen waste sand removing system as recited in claim 2, wherein one end of said sand lifting screw conveyor is located at the bottom of said flushing area, and the other end of said sand lifting screw conveyor extends upward in an inclined manner.
4. The kitchen waste desanding system as claimed in claim 2, wherein a stripping pump is arranged at the bottom of the stripping zone.
5. The kitchen waste desanding system as claimed in claim 4, wherein a water distributor is arranged at the bottom of the flushing area, the bottom surface of the flushing area is an inclined surface, and the water distributor is communicated with an outlet of the air stripping pump.
6. The kitchen waste desanding system as claimed in claim 5, wherein the waterproof screw conveyor is in communication with the gas stripping box through a pneumatic gate valve.
7. The kitchen waste desanding system as claimed in claim 4, wherein the cross section of the lower portion of the sand sinking box is triangular, and the waterproof screw conveyor is communicated with the bottom of the sand sinking box.
8. The kitchen waste desanding system as claimed in claim 7, wherein an inspection tube is disposed on the side of the slanted bottom of the sand depositing box.
9. The kitchen waste desanding system as recited in claim 8 wherein said inspection tube is in communication with said stripping pump outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210831047.7A CN115106360A (en) | 2022-07-14 | 2022-07-14 | Kitchen waste desanding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210831047.7A CN115106360A (en) | 2022-07-14 | 2022-07-14 | Kitchen waste desanding system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115106360A true CN115106360A (en) | 2022-09-27 |
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ID=83332045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210831047.7A Pending CN115106360A (en) | 2022-07-14 | 2022-07-14 | Kitchen waste desanding system |
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| Country | Link |
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| CN (1) | CN115106360A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010094568A (en) * | 2008-10-14 | 2010-04-30 | Osaka City | Device for washing deposited sand |
| CN104925993A (en) * | 2015-06-11 | 2015-09-23 | 葛洲坝集团第一工程有限公司 | Aggregate processing flushing wastewater treatment system and method |
| CN109013045A (en) * | 2018-06-28 | 2018-12-18 | 长沙中联重科环境产业有限公司 | Rubbish desanding system and desanding method |
| CN208776514U (en) * | 2018-05-31 | 2019-04-23 | 江苏夏航环保科技有限公司 | Horizontal domestic sewage processing system |
| CN109925785A (en) * | 2019-03-29 | 2019-06-25 | 江苏维尔利环保科技股份有限公司 | The minimizing technology and its settling system of kitchen garbage slurries sand setting and light weight sundries |
| CN111377538A (en) * | 2020-03-24 | 2020-07-07 | 上海巷西环境科技有限公司 | Sequencing batch fluidized bed sewage treatment system, control system and treatment method |
| CN211752705U (en) * | 2019-12-17 | 2020-10-27 | 深圳市朗坤生物科技有限公司 | Kitchen waste desander |
| CN113976303A (en) * | 2021-10-27 | 2022-01-28 | 济宁市技师学院 | Environment-friendly intelligent sand washer |
| CN217550724U (en) * | 2022-07-14 | 2022-10-11 | 中城院(北京)环境科技有限公司 | Kitchen waste desanding system |
-
2022
- 2022-07-14 CN CN202210831047.7A patent/CN115106360A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010094568A (en) * | 2008-10-14 | 2010-04-30 | Osaka City | Device for washing deposited sand |
| CN104925993A (en) * | 2015-06-11 | 2015-09-23 | 葛洲坝集团第一工程有限公司 | Aggregate processing flushing wastewater treatment system and method |
| CN208776514U (en) * | 2018-05-31 | 2019-04-23 | 江苏夏航环保科技有限公司 | Horizontal domestic sewage processing system |
| CN109013045A (en) * | 2018-06-28 | 2018-12-18 | 长沙中联重科环境产业有限公司 | Rubbish desanding system and desanding method |
| CN109925785A (en) * | 2019-03-29 | 2019-06-25 | 江苏维尔利环保科技股份有限公司 | The minimizing technology and its settling system of kitchen garbage slurries sand setting and light weight sundries |
| CN211752705U (en) * | 2019-12-17 | 2020-10-27 | 深圳市朗坤生物科技有限公司 | Kitchen waste desander |
| CN111377538A (en) * | 2020-03-24 | 2020-07-07 | 上海巷西环境科技有限公司 | Sequencing batch fluidized bed sewage treatment system, control system and treatment method |
| CN113976303A (en) * | 2021-10-27 | 2022-01-28 | 济宁市技师学院 | Environment-friendly intelligent sand washer |
| CN217550724U (en) * | 2022-07-14 | 2022-10-11 | 中城院(北京)环境科技有限公司 | Kitchen waste desanding system |
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Address after: 100120 1001-5, unit 1, 10 / F, building 36, Deshengmenwai street, Xicheng District, Beijing (Desheng Park) Applicant after: Zhongcheng Institute (Beijing) Environmental Technology Co.,Ltd. Address before: 100120 1001-5, unit 1, 10 / F, building 36, Deshengmenwai street, Xicheng District, Beijing (Desheng Park) Applicant before: Zhongchengyuan (Beijing) Environmental Technology Co.,Ltd. |
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