Sludge treatment and recovery system
By setting up a blending buffer tank and heating coil in the sludge treatment system, the impact of anaerobic bacteria on aerobic bacteria and the low treatment efficiency in low temperature environments is solved, and the working efficiency of the aerobic processor is significantly improved.
Patent Information
- Application Number
- CN202421436839.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-21
- Publication Date
- 2025-04-15
- Estimated Expiration
- 2034-06-21
AI Technical Summary
During the vitamin C production process, the impact of anaerobic bacteria on aerobic bacteria during the sludge treatment process leads to a decrease in the working efficiency of the aerobic processor and the reduction in the activity of the bacterial flora in the low temperature environment, affecting the treatment efficiency.
Set up a mixing buffer tank. Before the anaerobic processor sludge enters the aerobic processor, it is introduced into the mixing buffer tank and premixed with the liquid phase in the aerobic processor to reduce the impact of bacterial flora; at the same time, the mixed phase in the mixing buffer tank is heated by heating the hot air in the drying box to reduce the impact of ambient temperature on the processor efficiency.
It greatly reduces the impact of anaerobic bacteria on aerobic bacteria, improves the working efficiency of the aerobic processor, and reduces the impact on the processor efficiency in a low-temperature environment.
Smart Images
Figure CN222758114U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sludge treatment in a vitamin C production process, in particular to a sludge treatment and recovery system. Background Art
[0002] In the production process of vitamin C, a mixture of sewage and sludge is inevitably produced, and the sludge treatment and recycling system plays a vital role. These systems are not only responsible for treating the sludge generated during the production process and reducing environmental pollution, but also can recover valuable substances from the sludge and realize the recycling of resources.
[0003] In the actual treatment process, when the sludge enters the aerobic environment through the anaerobic environment, it often enters directly without any buffering, which directly leads to the impact of anaerobic bacteria on aerobic bacteria, seriously affecting the working efficiency of the aerobic processor; and when the ambient temperature is low, the activity of the bacterial community is significantly reduced, which also affects the working efficiency of the aerobic processor. Utility Model Content
[0004] In view of the above deficiencies in the prior art, the purpose of the utility model is to provide a sludge treatment and recovery system. Through the provision of a blending buffer tank, the sludge from the anaerobic processor is introduced into the blending buffer tank before entering the aerobic processor, and is pre-mixed with the liquid phase in the aerobic processor pumped into the blending buffer tank, thereby greatly reducing the impact of anaerobic bacteria on aerobic bacteria and greatly improving the working efficiency of the aerobic processor; through the provision of a heating coil, the hot air in the drying box is introduced into the heating coil to heat the mixed phase in the blending buffer tank, thereby greatly reducing the influence of the ambient temperature on the efficiency of the aerobic processor.
[0005] The utility model is realized by adopting the following technical solutions:
[0006] The sludge treatment and recovery system comprises a sludge enrichment tank, which is connected to a blending buffer tank through an anaerobic processor, and the blending buffer tank is connected to a drying box through an aerobic processor. A heating coil is arranged inside the blending buffer tank, and an aeration plate is arranged inside the aerobic processor, and a spray plate is arranged on the aeration plate.
[0007] The heating coil is used to increase the temperature of the blending buffer tank.
[0008] The sludge enrichment tank is connected with a sewage inlet device pipeline, a buffer zone is arranged in the sludge enrichment tank, and the buffer zone is connected with the sewage inlet device pipeline. A guide plate is arranged in the buffer zone, and an anti-straight impact plate is arranged under the buffer zone to slow down the impact of water flow on the settled sludge.
[0009] The sludge enrichment tank is provided with a stirrer inside, a spiral feeder is provided below the stirrer, and a filter screen is provided above the stirrer.
[0010] The sludge enrichment tank is connected to the reagent preparation tank through a pipeline for entering the reagent preparation tank, and the reagent preparation tank is connected to the spray plate through a reagent pump. The pipeline for entering the reagent preparation tank is located above the filter screen.
[0011] The aeration plate is connected with a blower, the aerobic processor is connected with the blending and buffer tank through a blending and buffer tank pump, and a blending and buffer tank pipeline is arranged between the blending and buffer tank pump and the blending and buffer tank.
[0012] The drying box is connected to the blending buffer tank through a hot air duct, and a liquid outlet pipe is connected to the pipe entering the medicine preparation tank.
[0013] The working principle of the utility model is:
[0014] The sewage with larger impurities removed enters the buffer zone through the sewage inlet pipe, and then the sludge is enriched in the sludge enrichment tank. The sludge enters the anaerobic processor through the spiral feeder, and then enters the aerobic processor through the blending buffer tank, and the aeration plate and blower start working; part of the liquid phase in the aerobic processor enters the blending buffer tank through the blending buffer tank pump, and the sludge after the aerobic processor is treated enters the drying box, and the hot air in the drying box enters the heating coil to heat the blending buffer tank; part of the sewage in the sludge enrichment tank enters the drug preparation tank for preparation, and then is sprayed into the aerobic processor through the spray plate. Among them, the heating coil is used to increase the temperature of the blending buffer tank. There is a guide plate in the buffer zone, and an anti-straight-impact plate is provided under the buffer zone to reduce the impact of water flow on the settled sludge.
[0015] Compared with the prior art, the beneficial effects of the utility model are:
[0016] By adopting the sludge treatment and recovery system of the utility model, the sludge from the anaerobic treatment unit is introduced into the blending buffer tank before entering the aerobic treatment unit through the setting of the blending buffer tank, and is pre-mixed with the liquid phase in the aerobic treatment unit pumped into the blending buffer tank, thereby greatly reducing the impact of anaerobic bacteria on aerobic bacteria and greatly improving the working efficiency of the aerobic treatment unit; by setting the heating coil, the hot air in the drying box is introduced into the heating coil to heat the mixed phase in the blending buffer tank, thereby greatly reducing the influence of the ambient temperature on the efficiency of the aerobic treatment unit. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a schematic diagram of the structure of the sludge treatment and recovery system of the utility model;
[0018] In the figure: 1. Sludge enrichment tank; 2. Anaerobic processor; 3. Blending buffer tank; 4. Aerobic processor; 5. Drying box; 6. Chemical preparation tank; 7. Buffer zone; 8. Sewage inlet pipe; 9. Agitator; 10. Screw feeder; 11. Heating coil; 12. Aeration plate; 13. Blower; 14. Spray plate; 15. Pump into blending buffer tank; 16. Pipe into blending buffer tank; 17. Hot air pipe; 18. Pipe into chemical preparation tank; 19. Chemical pump; 20. Liquid outlet pipe. DETAILED DESCRIPTION
[0019] In order to make the purpose and technical solution of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings.
[0020] Example 1
[0021] like Figure 1 As shown, the sludge treatment and recovery system includes a sludge enrichment tank 1, which is connected to a blending buffer tank 3 through an anaerobic processor 2, and the blending buffer tank 3 is connected to a drying box 5 through an aerobic processor 4. A heating coil 11 is provided inside the blending buffer tank 3, and an aeration plate 12 is provided inside the aerobic processor 4, and a spray plate 14 is provided on the aeration plate 12. The heating coil 11 is used to increase the temperature of the blending buffer tank 3. A sewage inlet device pipeline 8 is connected to the sludge enrichment tank 1, and a buffer zone 7 is provided inside the sludge enrichment tank 1, and the buffer zone 7 is connected to the sewage inlet device pipeline 8. An agitator 9 is provided inside the sludge enrichment tank 1, and a spiral feeder 10 is provided below the agitator 9, and a filter screen is provided above the agitator 9. The sludge enrichment tank 1 is connected to a pharmaceutical preparation tank 6 through a pharmaceutical preparation tank inlet pipeline 18, and the pharmaceutical preparation tank 6 is connected to the spray plate 14 through a pharmaceutical pump 19. The pharmaceutical preparation tank inlet pipeline 18 is located above the filter screen. The aeration plate 12 is connected to a blower 13, the aerobic processor 4 is connected to the blending buffer tank 3 via a blending buffer tank pump 15, and a blending buffer tank pipeline 16 is provided between the blending buffer tank pump 15 and the blending buffer tank 3. The drying box 5 is connected to the blending buffer tank 3 via a hot air pipeline 17, and a liquid outlet pipeline 20 is connected to the pharmaceutical preparation tank pipeline 18.
[0022] The above sludge treatment and recovery system, when in operation, comprises the following steps:
[0023] (1) The sewage with larger impurities removed enters the buffer zone 7 through the sewage inlet pipe 8, and then the sludge is enriched in the sludge enrichment tank 1. The sludge enters the anaerobic treatment unit 2 through the screw feeder 10, and then enters the aerobic treatment unit 4 through the blending buffer tank 3, and the aeration plate 12 and the blower 13 start working; (2) Part of the liquid phase in the aerobic treatment unit 4 enters the blending buffer tank 3 through the blending buffer tank pump 15. The sludge after being treated by the aerobic treatment unit 4 enters the drying box 5. The hot air in the drying box 5 enters the heating coil 11 to heat the blending buffer tank 3; (3) Part of the sewage in the sludge enrichment tank 1 enters the drug preparation tank 6 for preparation, and then is sprayed into the aerobic treatment unit 4 through the spray plate 14.
Claims
1. A sludge treatment and recovery system, characterized in that: The invention comprises a sludge enrichment tank (1), wherein the sludge enrichment tank (1) is connected to a blending buffer tank (3) via an anaerobic treatment device (2), and the blending buffer tank (3) is connected to a drying box (5) via an aerobic treatment device (4). A heating coil (11) is provided inside the blending buffer tank (3), and an aeration plate (12) is provided inside the aerobic treatment device (4), and a spray plate (14) is provided on the aeration plate (12).
2. The sludge treatment and recovery system according to claim 1, characterized in that: The sludge enrichment tank (1) is connected to a sewage inlet device pipeline (8), and a buffer zone (7) is provided in the sludge enrichment tank (1), and the buffer zone (7) is connected to the sewage inlet device pipeline (8).
3. The sludge treatment and recovery system according to claim 1, characterized in that: The sludge enrichment tank (1) is provided with an agitator (9) inside, a spiral feeder (10) is provided below the agitator (9), and a filter screen is provided above the agitator (9).
4. The sludge treatment and recovery system according to claim 1, characterized in that: The sludge enrichment tank (1) is connected to the agent preparation tank (6) via a pipeline (18) for entering the agent preparation tank, and the agent preparation tank (6) is connected to the spray plate (14) via a agent pump (19).
5. The sludge treatment and recovery system according to claim 1, characterized in that: The aeration plate (12) is connected to a blower (13), the aerobic processor (4) is connected to the blending and buffer tank (3) via a blending and buffer tank pump (15), and a blending and buffer tank pipeline (16) is provided between the blending and buffer tank pump (15) and the blending and buffer tank (3).
6. The sludge treatment and recovery system according to claim 4, characterized in that: The drying box (5) is connected to the blending buffer tank (3) via a hot air duct (17), and a liquid outlet duct (20) is connected to the medicament preparation tank inlet duct (18).