CN213924429U

CN213924429U - High VOCs materialized sludge drying system

Info

Publication number: CN213924429U
Application number: CN202021974644.8U
Authority: CN
Inventors: 田强; 夏添; 林波; 代玲玲; 黄霞; 曾香
Original assignee: Chongqing Baiou Environmental Protection Technology Co ltd
Current assignee: Chongqing Baiou Environmental Protection Technology Co ltd
Priority date: 2020-09-10
Filing date: 2020-09-10
Publication date: 2021-08-10
Anticipated expiration: 2030-09-10

Abstract

The utility model discloses a high VOCs materialized sludge drying system, which comprises a materialized sludge tank (100), a washing tank (200), a sludge concentration tank (300), a dehydration system (400), a low-temperature drying system (500) and a discharging system (600) which are sequentially communicated; the sludge concentration tank (300) is also communicated with a collection tank (700), the supernatant of the sludge concentration tank (300) is conveyed to the collection tank (700), and the sludge precipitated by the sludge concentration tank (300) is conveyed to the dewatering system (400). The scheme has the advantages of effectively reducing the organic matter content of the materialized sludge and improving the safety in the sludge drying process.

Description

High VOCs materialized sludge drying system

Technical Field

The utility model relates to a sludge decrement processing system especially relates to a high VOCs materialization sludge drying system.

Background

At present, a plurality of enterprises do not set a sewage treatment station, or the waste water is small in quantity, or the waste water is treated outsourcing. If a sewage treatment station is independently built, the cost is very high, but the materialized sludge amount of the enterprises is large. The materialized sludge contains organic pollutants with higher concentration, and if the materialized sludge is directly dried, safety accidents such as poisoning, explosion and the like are easily caused.

Therefore, the technical personnel in the field are dedicated to develop a high-VOCs materialized sludge drying system which can reduce the organic pollutants in the materialized sludge, improve the safety of the production process and treat the wastewater generated in the drying process.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned defect of prior art, the utility model aims to solve the technical problem that a high VOCs materialization sludge drying system is provided, can reduce organic pollutant in the materialization sludge, improve production safety.

In order to realize the aim, the utility model provides a high VOCs materialized sludge drying system, which comprises a materialized sludge tank, a washing tank, a sludge concentration tank, a dehydration system, a low-temperature drying system and a discharging system which are sequentially communicated; the sludge concentration tank is also communicated with a collection tank, supernatant of the sludge concentration tank is conveyed to the collection tank, and sludge precipitated by the sludge concentration tank is conveyed to the dewatering system.

Further, the dewatering system is communicated with the collecting tank, and clear water generated by the dewatering system is conveyed to the collecting tank.

Further, the low-temperature drying system is communicated with the collecting tank, and condensed water generated by the low-temperature drying system is conveyed to the collecting tank.

Further, still including energy-conserving integration biochemical treatment system, energy-conserving integration biochemical treatment system's the end intercommunication of intaking the collecting pit, energy-conserving integration biochemical treatment system goes out the water outlet end intercommunication the washing pond, energy-conserving integration biochemical treatment system's blowdown end intercommunication the sludge thickening pond.

Further, the energy-saving integrated biochemical treatment system comprises an integrated A/O biochemical system, a sedimentation tank, an ozone contact tank, a degassing tank and a filter which are sequentially communicated; the water inlet end of the energy-saving integrated biochemical treatment system is the water inlet end of the integrated A/O biochemical system, the water outlet end of the energy-saving integrated biochemical treatment system is the water outlet end of the filter, and the sewage discharge end of the energy-saving integrated biochemical treatment system is the sedimentation tank.

Further, the integrated A/O biochemical system comprises an A tank and an O tank which are communicated, the O tank is communicated with the sedimentation tank, the water inlet end of the integrated A/O biochemical system is the water inlet end of the A tank, the water outlet end of the A tank is connected with a jet pump through a first pipeline, the water inlet end of the O tank is provided with an ejector, and the ejector is connected with the jet pump through a second pipeline; a water through hole is formed between the A tank and the O tank; the sedimentation tank and the tank A are connected with a sludge return pipe, one end of the sludge return pipe is communicated with the sedimentation tank, and the other end of the sludge return pipe is communicated with the first pipeline.

Further, a first return pipe is connected between the second pipeline and the pool A.

Furthermore, the water outlet end of the degassing pool is connected with the water inlet end of the filter through a third pipeline, and a filter pressing pump is arranged on the third pipeline.

Further, a third pipeline between the filter pressing pump and the filter is connected with the ozone contact tank through a second return pipe.

Further, the second return pipe is connected with an ozone machine.

The utility model has the advantages that: the utility model discloses crowning VOCs materialization mud enters into the washing tank, and materialization mud reduces the organic pollutant of mud after washing repeatedly, then enters into the sludge concentration tank and carries out mud-water separation, and the mud through the washing is through detecting washing water COD and the control that the pressure filter measured the appearance data and is exploded the number of times of washing. And (5) the sludge reaching the standard enters a dehydration system and a low-temperature drying system for reduction. If the explosion detector gives an alarm, the feeding is stopped, and the inerting is purged by steam, so that the washing water quantity or the washing frequency is increased. And (3) the filtrate generated by dehydration and the condensate generated by drying enter a collecting tank, and the water in the collecting tank enters an energy-saving integrated biochemical treatment system for purification treatment. The water treated by the energy-saving integrated biochemical treatment system enters a washing tank for reuse, and the sludge generated by the energy-saving integrated biochemical treatment system enters a sludge concentration tank for treatment. The utility model discloses materialized mud's is effectual to water cyclic utilization, energy saving, environmental protection.

Drawings

FIG. 1 is a schematic view of a high VOCs sludge drying system;

FIG. 2 is a schematic diagram of the energy-saving integrated biochemical treatment system of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples, wherein it is noted that, in the description of the invention, the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular manner, and therefore should not be construed as limiting the present invention. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1, the utility model provides a high-VOCs materialized sludge drying system, which comprises a materialized sludge tank 100, a washing tank 200, a sludge concentration tank 300, a dewatering system 400, a low-temperature drying system 500 and a discharging system 600 which are sequentially communicated; the sludge concentration tank 300 is also communicated with a collection tank 700, supernatant of the sludge concentration tank 300 is conveyed to the collection tank 700, and sludge precipitated by the sludge concentration tank 300 is conveyed to the dewatering system 400. The dewatering system 400 is communicated with the collecting tank 700, and the clear water generated by the dewatering system 400 is conveyed to the collecting tank 700. The low-temperature drying system 500 is communicated with the collecting tank 700, and the condensed water generated by the low-temperature drying system 500 is conveyed to the collecting tank 700. The washed sludge enters a sludge concentration tank 300, and the supernatant liquid is completely returned to the collection tank for treatment, so that secondary pollution is avoided

As shown in fig. 2, the energy-saving integrated biochemical treatment system 800 comprises an integrated a/O biochemical system, a sedimentation tank 3, an ozone contact tank 11, a degassing tank 12 and a filter 17 which are sequentially communicated; the water inlet end of the energy-saving integrated biochemical treatment system 800 is the water inlet end of the integrated A/O biochemical system, the water outlet end of the energy-saving integrated biochemical treatment system 800 is the water outlet end of the filter 17, and the sewage discharge end of the energy-saving integrated biochemical treatment system 800 is the sedimentation tank 3.

The integrated A/O biochemical system comprises an A tank 1 and an O tank 2 which are communicated, the O tank 2 is communicated with a sedimentation tank 3, the water inlet end of the integrated A/O biochemical system is the water inlet end of the A tank 1, the water outlet end of the A tank 1 is connected with a jet pump 5 through a first pipeline 4, the water inlet end of the O tank 2 is provided with a jet device 6, and the jet device 6 is connected with the jet pump 5 through a second pipeline 7; a water through hole 8 is arranged between the A tank 1 and the O tank 2; the sedimentation tank 3 and the A tank 7 are connected with a sludge return pipe 9, one end of the sludge return pipe 9 is communicated with the sedimentation tank 3, and the other end of the sludge return pipe 9 is communicated with the first pipeline 4. A first return pipe 10 is connected between the second pipeline 7 and the A pool 1.

The water outlet end of the degassing pool 12 is connected with the water inlet end of a filter 17 through a third pipeline 13, and a filter pressing pump 14 is arranged on the third pipeline 13. A third conduit 13 between the pressure filtration pump 14 and the filter 17 is connected to the ozone contact tank 11 through a second return conduit 15. The second return pipe 15 is connected with an ozone machine 16.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims

1. The high-VOCs materialized sludge drying system is characterized in that: comprises a materialized sludge tank (100), a washing tank (200), a sludge concentration tank (300), a dehydration system (400), a low-temperature drying system (500) and a discharge system (600) which are communicated in sequence; the sludge concentration tank (300) is also communicated with a collection tank (700), the supernatant of the sludge concentration tank (300) is conveyed to the collection tank (700), and the sludge precipitated by the sludge concentration tank (300) is conveyed to the dewatering system (400).

2. The high-VOCs materialized sludge drying system of claim 1, which is characterized in that: the dewatering system (400) is communicated with the collecting tank (700), and clean water generated by the dewatering system (400) is conveyed to the collecting tank (700).

3. The high-VOCs materialized sludge drying system of claim 1, which is characterized in that: the low-temperature drying system (500) is communicated with the collecting tank (700), and condensed water generated by the low-temperature drying system (500) is conveyed to the collecting tank (700).

4. The high-VOCs materialized sludge drying system of claim 1, which is characterized in that: still including energy-conserving integration biochemical treatment system (800), the end intercommunication of intaking of energy-conserving integration biochemical treatment system (800) collecting pit (700), energy-conserving integration biochemical treatment system (800) play water end intercommunication washing pond (200), the blowdown end intercommunication of energy-conserving integration biochemical treatment system (800) sludge concentration pond (300).

5. The high-VOCs materialized sludge drying system of claim 4, which is characterized in that: the energy-saving integrated biochemical treatment system (800) comprises an integrated A/O biochemical system, a sedimentation tank (3), an ozone contact tank (11), a degassing tank (12) and a filter (17) which are sequentially communicated; the water inlet end of the energy-saving integrated biochemical treatment system (800) is the water inlet end of the integrated A/O biochemical system, the water outlet end of the energy-saving integrated biochemical treatment system (800) is the water outlet end of the filter (17), and the sewage discharge end of the energy-saving integrated biochemical treatment system (800) is the sedimentation tank (3).

6. The high-VOCs materialized sludge drying system of claim 5, which is characterized in that: the integrated A/O biochemical system comprises an A tank (1) and an O tank (2), the O tank (2) is communicated with the sedimentation tank (3), the water inlet end of the integrated A/O biochemical system is the water inlet end of the A tank (1), the water outlet end of the A tank (1) is connected with a jet pump (5) through a first pipeline (4), the water inlet end of the O tank (2) is provided with a jet device (6), and the jet device (6) is connected with the jet pump (5) through a second pipeline (7); a water through hole (8) is arranged between the A tank (1) and the O tank (2); the sedimentation tank (3) and the A tank (1) are connected with a sludge return pipe (9), one end of the sludge return pipe (9) is communicated with the sedimentation tank (3), and the other end of the sludge return pipe (9) is communicated with the first pipeline (4).

7. The high-VOCs materialized sludge drying system of claim 6, which is characterized in that: and a first return pipe (10) is connected between the second pipeline (7) and the A pool (1).

8. The high-VOCs materialized sludge drying system of claim 6, which is characterized in that: the water outlet end of the degassing tank (12) is connected with the water inlet end of the filter (17) through a third pipeline (13), and a filter pressing pump (14) is arranged on the third pipeline (13).

9. The high-VOCs sludge drying system of claim 8, wherein: a third pipeline (13) between the filter pressing pump (14) and the filter (17) is connected with the ozone contact tank (11) through a second return pipe (15).

10. The high-VOCs materialized sludge drying system of claim 9, which is characterized in that: the second return pipe (15) is connected with an ozone machine (16).