CN209242869U - A kind of winter percolate preheating system - Google Patents
A kind of winter percolate preheating system Download PDFInfo
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- CN209242869U CN209242869U CN201821999469.0U CN201821999469U CN209242869U CN 209242869 U CN209242869 U CN 209242869U CN 201821999469 U CN201821999469 U CN 201821999469U CN 209242869 U CN209242869 U CN 209242869U
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Abstract
The utility model relates to leachate treatment technology fields, specifically a kind of winter percolate preheating system, equipped with anaerobic system, permeated liquid system, ultrafiltration system and nitrification, it is characterized in that being equipped with biochemical water inlet between the permeated liquid system and anaerobic system preheats pond, biochemistry water inlet preheating pond is connected through pipeline with permeated liquid system and anaerobic system respectively, plate heat exchanger is equipped between the biochemical water inlet preheating pond and nitrification, the interior of the plate heat exchanger is equipped with biochemical circulation pipe and nitrification circulation pipe, the biochemical circulation pipe and nitrification circulation pipe spirals and is staggered in the inside of plate heat exchanger, it is simple with structure, improve the temperature of percolate, the advantages that controlling the temperature in nitrification tank.
Description
Technical field
The present invention relates to leachate treatment technology field, specifically a kind of structure is simple, improves the temperature of percolate
Spend, control the winter percolate preheating system of temperature in nitrification tank.
Background technique
It is well known that Chinese, especially most of sewage treatment facility of northern area will face low temperature in winter
Test.Temperature is an important factor for influencing microorganism and enzymatic activity, and growth and breeding and metabolic activity to microorganism suffer from aobvious
The influence of work, and enzyme is even more to have higher sensibility to temperature.In sewage disposal system, when temperature is lower than 10 DEG C, big portion
Point microorganism not energy metabolism allogenic material.And the microorganism when temperature is reduced to 4 DEG C or less, in most of activated sludge
Activity is suppressed, and microorganism stops growing.Winter low temperature is faced, sewage treatment will ensure standard water discharge, the side generallyd use
Method include: establish heat-insulation system improve sewage temperature (such as steam-heating system), improve sludge concentration, extend the sedimentation time,
Increase aeration quantity etc., but all there is less effective or disadvantages with high costs for these methods.
Currently, most of process choice first carries out anaerobic reaction in biochemical system in percolate treating process, reduce
Then the indexs such as COD and ammonia nitrogen in percolate carry out aerobic reaction again.Aerobic reaction is exothermic reaction, therefore in aerobic tank
Temperature can be within the scope of 35-40 DEG C.There can be damage to subsequent film filtering system after temperature is excessively high.It therefore can be in aerobic tank
Percolate cools down.
Summary of the invention
Present invention aim to address above-mentioned the deficiencies in the prior art, provide that a kind of structure is simple, improves percolate
Temperature, the winter percolate preheating system for controlling temperature in nitrification tank.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of winter percolate preheating system is equipped with anaerobic system, permeated liquid system, ultrafiltration system and nitrification,
Permeated liquid system is connected through percolate conveyance conduit with anaerobic system, and the nitrification is through nitrification pipeline and ultrafiltration system
It is connected, it is characterised in that be equipped with biochemical water inlet between the permeated liquid system and anaerobic system and preheat pond, biochemistry water inlet is pre-
Hot pond is connected through pipeline with permeated liquid system and anaerobic system respectively, between the biochemical water inlet preheating pond and nitrification
Equipped with plate heat exchanger, the interior of the plate heat exchanger is equipped with biochemical circulation pipe and nitrification circulation pipe, the biochemical circulation
Pipe and nitrification circulation pipe spiral and are staggered in the inside of plate heat exchanger, and the water inlet end of the biochemical circulation pipe is through biochemical water inlet pipe
It is connected with biochemistry water inlet preheating pond, the outlet pipe of biochemical circulation pipe is connected through bio-chemical effluent pipe with water inlet preheating pond, described
Biochemical water inlet pipe be equipped with biochemical circulating pump, the water inlet end of the nitrification circulation pipe is through nitrification water inlet pipe and nitrification phase
Connection, the water outlet for nitrifying circulation pipe are connected through nitrified effluent pipe with ultrafiltration system, and nitrification water inlet pipe is equipped with nitrification circulation
Pump carries out the leakage water that heat exchange is intake in preheating pond to biochemistry by the heat that nitrification generates in plate heat exchanger,
Make the leakage water heating in biochemical water inlet preheating pond, and then meets the diafiltration coolant-temperature gage entered in anaerobic system in anaerobic system
Anaerobic reaction.
It is equipped with conditioning tank between biochemical water inlet preheating pond of the present invention and permeated liquid system, conditioning tank is equipped with feed liquor
Mouth and liquid outlet, inlet are connected through pipeline with permeated liquid system, and liquid outlet is connected through pipeline with biochemistry water inlet preheating pond,
Pipeline between liquid outlet and biochemical water inlet preheating pond, which is equipped with, adjusts pump, conditioning tank for storing percolate, according to biochemistry into
The percolate in level condition selection permeated liquid system in water preheating pond be directly entered conditioning tank or be directly entered it is biochemical into
Water preheats pond.
Percolate conveying pipeline between biochemical water inlet preheating pond of the present invention and anaerobic system is equipped with steam
Heating system, is used for the further temperature raising of percolate, and suitable temperature needed for having reached anaerobic reaction passes through steam-heating system
Assist heat to percolate and then meeting the temperature requirement of anaerobic system.
Pipeline, permeated liquid system between permeated liquid system and conditioning tank of the present invention and biochemical water inlet preheating pond it
Between pipeline, the pipeline between conditioning tank and biochemical water inlet preheating pond, nitrification water inlet pipe, be respectively equipped with control on biochemical water inlet pipe
Valve controls each system circulation by valve.
The volume of conditioning tank of the present invention is 4 ~ 13 times of biochemical water inlet preheating pond, make conditioning tank sufficiently to biochemistry into
Water preheats pond and carries out feed flow.
It is respectively equipped with thermometer in nitrified effluent pipe of the present invention and biochemical water inlet preheating pond, observation enters super in real time
Temperature change in filter system and anaerobic system, is monitored.
The present invention preheats pond due to being equipped with biochemical water inlet between the permeated liquid system and anaerobic system, and biochemistry water inlet is pre-
Hot pond is connected through pipeline with permeated liquid system and anaerobic system respectively, between the biochemical water inlet preheating pond and nitrification
Equipped with plate heat exchanger, the interior of the plate heat exchanger is equipped with biochemical circulation pipe and nitrification circulation pipe, the biochemical circulation
Pipe and nitrification circulation pipe spiral and are staggered in the inside of plate heat exchanger, and the water inlet end of the biochemical circulation pipe is through biochemical water inlet pipe
It is connected with biochemistry water inlet preheating pond, the outlet pipe of biochemical circulation pipe is connected through bio-chemical effluent pipe with water inlet preheating pond, described
Biochemical water inlet pipe be equipped with biochemical circulating pump, the water inlet end of the nitrification circulation pipe is through nitrification water inlet pipe and nitrification phase
Connection, the water outlet for nitrifying circulation pipe are connected through nitrified effluent pipe with ultrafiltration system, and nitrification water inlet pipe is equipped with nitrification circulation
Pump carries out the leakage water that heat exchange is intake in preheating pond to biochemistry by the heat that nitrification generates in plate heat exchanger,
Make the leakage water heating in biochemical water inlet preheating pond, and then meets the diafiltration coolant-temperature gage entered in anaerobic system in anaerobic system
Anaerobic reaction, be equipped with conditioning tank between the described biochemical water inlet preheating pond and permeated liquid system, conditioning tank is equipped with inlet
And liquid outlet, inlet are connected through pipeline with permeated liquid system, liquid outlet is connected through pipeline with biochemistry water inlet preheating pond, out
Pipeline between liquid mouth and biochemical water inlet preheating pond, which is equipped with, adjusts pump, and conditioning tank is intake for storing percolate according to biochemistry
The percolate in level condition selection permeated liquid system in preheating pond is directly entered conditioning tank or is directly entered biochemical water inlet
Pond is preheated, the percolate conveying pipeline between the biochemical water inlet preheating pond and anaerobic system is equipped with steam heating and is
System, is used for the further temperature raising of percolate, and suitable temperature needed for having reached anaerobic reaction passes through steam-heating system auxiliary pair
Percolate heat and then meets the temperature requirement of anaerobic system, pipeline between the permeated liquid system and conditioning tank,
Pipeline between pipeline, conditioning tank between permeated liquid system and biochemical water inlet preheating pond and biochemical water inlet preheating pond, nitrify into
It is respectively equipped with control valve on water pipe, biochemical water inlet pipe, each system circulation, the volume of the conditioning tank are controlled by valve
It is 4 ~ 13 times of biochemical water inlet preheating pond, conditioning tank is made sufficiently to carry out feed flow, the nitrified effluent to biochemistry water inlet preheating pond
It is respectively equipped with thermometer in pipe and biochemical water inlet preheating pond, the temperature that observation in real time enters in ultrafiltration system and anaerobic system becomes
Change, be monitored, have many advantages, such as structure simply, the temperature that improves percolate, control temperature in nitrification tank.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Specific embodiment
The following further describes the present invention with reference to the drawings:
As shown in the picture, a kind of winter percolate preheating system is equipped with anaerobic system 1, permeated liquid system 2, ultrafiltration system
System 3 and nitrification 4, permeated liquid system 2 are connected through percolate conveyance conduit with anaerobic system 1, and the nitrification 4 passes through
Nitrification pipeline is connected with ultrafiltration system 3, it is characterised in that biochemistry is equipped between the permeated liquid system 2 and anaerobic system 1
Water inlet preheating pond 5, biochemistry water inlet preheating pond 5 are connected through pipeline with permeated liquid system 2 and anaerobic system 1 respectively, the life
Change and be equipped with plate heat exchanger 6 between water inlet preheating pond 5 and nitrification 4, the interior of the plate heat exchanger 6 is equipped with biochemical circulation
Pipe and nitrification circulation pipe, the biochemical circulation pipe and nitrification circulation pipe spiral and are staggered in the inside of plate heat exchanger 6, described
The water inlet end of biochemical circulation pipe is connected through biochemical water inlet pipe 7 with biochemistry water inlet preheating pond 5, and the outlet pipe of biochemical circulation pipe is through life
It dissolves water pipe 8 to be connected with water inlet preheating pond, the biochemical water inlet pipe 7 is equipped with biochemical circulating pump 9, the nitrification circulation
The water inlet end of pipe is connected through nitrification water inlet pipe 10 with nitrification 4, nitrify the water outlet of circulation pipe through nitrified effluent pipe 11 and
Ultrafiltration system 3 is connected, and nitrification water inlet pipe 10 is equipped with nitrification circulating pump 12, and the heat generated by nitrification 4 is board-like
Heat exchange is carried out in heat exchanger 6 to the leakage water in biochemical water inlet preheating pond 5, adds the leakage water in biochemical water inlet preheating pond 5
Heat, and then the diafiltration coolant-temperature gage entered in anaerobic system 1 is made to meet the anaerobic reaction in anaerobic system 1, the biochemical water inlet
It preheats and is equipped with conditioning tank 13 between pond 5 and permeated liquid system 2, conditioning tank 13 is equipped with inlet and liquid outlet, and inlet is through pipe
Road is connected with permeated liquid system 2, and liquid outlet is connected through pipeline with biochemistry water inlet preheating pond 5, and liquid outlet and biochemical water inlet are in advance
Pipeline between hot pond 5, which is equipped with, adjusts pump 14, and conditioning tank 13 is intake in preheating pond 5 for storing percolate according to biochemistry
Percolate in level condition selection permeated liquid system 2 is directly entered conditioning tank 13 or is directly entered biochemical water inlet preheating pond 5,
Percolate conveying pipeline between the biochemical water inlet preheating pond 5 and anaerobic system 1 is equipped with steam-heating system 15, uses
In the further temperature raising of percolate, suitable temperature needed for having reached anaerobic reaction is assisted by steam-heating system 15 to infiltration
Filtrate heat and then meets the temperature requirement of anaerobic system 1, the pipe between the permeated liquid system 2 and conditioning tank 13
Pipeline, conditioning tank 13 between road, permeated liquid system 2 and biochemical water inlet preheating pond 5 and the pipe between biochemical water inlet preheating pond 5
Road, nitrification water inlet pipe 10 are respectively equipped with control valve on biochemical water inlet pipe 7, control each system circulation by valve, described
The volume of conditioning tank 13 is 4 ~ 13 times of biochemical water inlet preheating pond 5, supplies that conditioning tank 13 sufficiently to biochemistry water inlet preheating pond 5
It is respectively equipped with thermometer 16 in liquid, the nitrified effluent pipe 11 and biochemical water inlet preheating pond 5, observation enters ultrafiltration system in real time
3 and anaerobic system 1 in temperature change, be monitored.
In the use of the present invention, being sent into board-like change since the biochemical percolate intake in preheating pond 5 passes through biochemical circulating pump 9
Hot device 6 carries out heat exchange, then again by being recycled into biochemical water inlet preheating pond 5；At the same time, the nitrification in nitrification tank is anti-
It answers temperature high, under the action of nitrifying circulating pump 12, enters after the high nitrification liquid of temperature is cooled down in plate heat exchanger 6
In ultrafiltration system 3, prevent the nitrification liquid of high temperature from damaging the filter membrane in ultrafiltration system 3, because of the volume of the nitrification liquid of nitrification 4
It is far longer than the volume of percolate in biochemical water inlet preheating pond 5, therefore heat exchange can be carried out efficiently, i.e. percolate temperature can
To be increased to the temperature close to nitrification liquid, the temperature difference is greatly reduced, and the percolate in biochemistry water inlet preheating pond 5 is aided with depending on temperature height
Steam-heating system 15 is used for the further temperature raising of percolate, and suitable temperature needed for having reached anaerobic reaction, of the invention mentions
Out, can be efficiently using the heat of liquid in nitrification tank, while percolate is preheated, even winter steam is replaced to use to reduce,
The use for greatly reducing the steam that winter is used to heat percolate temperature can be saved, to improve energy utilization, is reduced economical
Investment, the present invention preheat pond 5 due to being equipped with biochemical water inlet between the permeated liquid system 2 and anaerobic system 1, and biochemistry water inlet is pre-
Hot pond 5 is connected through pipeline with permeated liquid system 2 and anaerobic system 1 respectively, the biochemical water inlet preheating pond 5 and nitrification
Plate heat exchanger 6 is equipped between 4, the interior of the plate heat exchanger 6 is equipped with biochemical circulation pipe and nitrification circulation pipe, the life
Change circulation pipe and nitrification circulation pipe spirals and is staggered in the inside of plate heat exchanger 6, the water inlet end of the biochemical circulation pipe is through life
Change water inlet pipe 7 to be connected with biochemistry water inlet preheating pond 5, the outlet pipe of biochemical circulation pipe is through bio-chemical effluent pipe 8 and water inlet preheating pond
It is connected, the biochemical water inlet pipe 7 is equipped with biochemical circulating pump 9, and the water inlet end of the nitrification circulation pipe is intake through nitrification
Pipe 10 is connected with nitrification 4, and the water outlet for nitrifying circulation pipe is connected through nitrified effluent pipe 11 with ultrafiltration system 3, nitrification
Water inlet pipe 10 be equipped with nitrification circulating pump 12, the heat generated by nitrification 4 carried out in plate heat exchanger 6 heat exchange to
Leakage water in biochemistry water inlet preheating pond 5, makes the leakage water heating in biochemical water inlet preheating pond 5, and then make to enter anaerobic system 1
Interior diafiltration coolant-temperature gage meets the anaerobic reaction in anaerobic system 1, the biochemical water inlet preheating pond 5 and permeated liquid system 2 it
Between be equipped with conditioning tank 13, conditioning tank 13 is equipped with inlet and liquid outlet, and inlet is connected through pipeline with permeated liquid system 2,
Liquid outlet preheats pond 5 with biochemistry water inlet through pipeline and is connected, and the pipeline between liquid outlet and biochemical water inlet preheating pond 5 is equipped with tune
Section pump 14, conditioning tank 13 select permeated liquid system 2 for storing percolate, according to the biochemical level condition in preheating pond 5 of intaking
In percolate be directly entered conditioning tank 13 or be directly entered biochemical water inlet preheating pond 5, the biochemical water inlet preheating pond 5 with
Percolate conveying pipeline between anaerobic system 1 is equipped with steam-heating system 15, is used for the further temperature raising of percolate,
Suitable temperature needed for reaching anaerobic reaction heat to percolate meeting anaerobism by the auxiliary of steam-heating system 15
The temperature requirement of system 1, the pipeline, permeated liquid system 2 and biochemical water inlet between the permeated liquid system 2 and conditioning tank 13 are pre-
Pipeline, nitrification water inlet pipe 10, biochemical water inlet pipe 7 between pipeline, conditioning tank 13 between hot pond 5 and biochemical water inlet preheating pond 5
On be respectively equipped with control valve, each system circulation is controlled by valve, the volume of the conditioning tank 13 is that biochemical water inlet is pre-
4 ~ 13 times of hot pond 5 make conditioning tank 13 sufficiently intake to biochemistry and preheat the progress of pond 5 feed flow, the nitrified effluent pipe 11 and life
Change in water inlet preheating pond 5 and is respectively equipped with thermometer 16, observation enters the temperature change in ultrafiltration system 3 and anaerobic system 1 in real time,
It is monitored, has many advantages, such as that structure is simple, the temperature that improves percolate, controls temperature in nitrification tank.
Claims (6)
1. a kind of winter percolate preheating system is equipped with anaerobic system, permeated liquid system, ultrafiltration system and nitrification, seep
Filtrate system is connected through percolate conveyance conduit with anaerobic system, and the nitrification is through nitrification pipeline and ultrafiltration system phase
Connection, it is characterised in that be equipped with biochemical water inlet between the permeated liquid system and anaerobic system and preheat pond, biochemistry water inlet preheating
Pond is connected through pipeline with permeated liquid system and anaerobic system respectively, sets between the biochemical water inlet preheating pond and nitrification
There is plate heat exchanger, the inside of the plate heat exchanger is equipped with biochemical circulation pipe and nitrification circulation pipe, the biochemical circulation
Pipe and nitrification circulation pipe spiral and are staggered in the inside of plate heat exchanger, and the water inlet end of the biochemical circulation pipe is through biochemical water inlet pipe
It is connected with biochemistry water inlet preheating pond, the outlet pipe of biochemical circulation pipe is connected through bio-chemical effluent pipe with water inlet preheating pond, described
Biochemical water inlet pipe be equipped with biochemical circulating pump, the water inlet end of the nitrification circulation pipe is through nitrification water inlet pipe and nitrification phase
Connection, the water outlet for nitrifying circulation pipe are connected through nitrified effluent pipe with ultrafiltration system, and nitrification water inlet pipe is equipped with nitrification circulation
Pump.
2. a kind of winter percolate preheating system according to claim 1, it is characterised in that the biochemical water inlet is pre-
Conditioning tank is equipped between hot pond and permeated liquid system, conditioning tank is equipped with inlet and liquid outlet, and inlet is through pipeline and diafiltration
Liquid system is connected, and liquid outlet is connected through pipeline with biochemistry water inlet preheating pond, between liquid outlet and biochemical water inlet preheating pond
Pipeline, which is equipped with, adjusts pump.
3. a kind of winter percolate preheating system according to claim 1, it is characterised in that the biochemical water inlet is pre-
Percolate conveying pipeline between hot pond and anaerobic system is equipped with steam-heating system.
4. a kind of winter percolate preheating system according to claim 1, it is characterised in that the permeated liquid system
Pipeline, conditioning tank and biochemical water inlet between pipeline, permeated liquid system between conditioning tank and biochemical water inlet preheating pond preheat
Control valve is respectively equipped on pipeline, nitrification water inlet pipe, biochemical water inlet pipe between pond.
5. a kind of winter percolate preheating system according to claim 2, it is characterised in that the appearance of the conditioning tank
Product is 4 ~ 13 times of biochemical water inlet preheating pond.
6. a kind of winter percolate preheating system according to claim 1, it is characterised in that the nitrified effluent pipe
It intakes to preheat in pond with biochemistry and is respectively equipped with thermometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821999469.0U CN209242869U (en) | 2018-11-30 | 2018-11-30 | A kind of winter percolate preheating system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821999469.0U CN209242869U (en) | 2018-11-30 | 2018-11-30 | A kind of winter percolate preheating system |
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| Publication Number | Publication Date |
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| CN209242869U true CN209242869U (en) | 2019-08-13 |
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| CN201821999469.0U Active CN209242869U (en) | 2018-11-30 | 2018-11-30 | A kind of winter percolate preheating system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114230008A (en) * | 2021-12-16 | 2022-03-25 | 湖南军信环保股份有限公司 | Sewage treatment system from heat supply |
-
2018
- 2018-11-30 CN CN201821999469.0U patent/CN209242869U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114230008A (en) * | 2021-12-16 | 2022-03-25 | 湖南军信环保股份有限公司 | Sewage treatment system from heat supply |
| CN114230008B (en) * | 2021-12-16 | 2023-12-05 | 湖南军信环保股份有限公司 | Self-heating sewage treatment system |
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