CN208071531U - A kind of sewage heat energy self-circulation system - Google Patents
A kind of sewage heat energy self-circulation system Download PDFInfo
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- CN208071531U CN208071531U CN201820049322.9U CN201820049322U CN208071531U CN 208071531 U CN208071531 U CN 208071531U CN 201820049322 U CN201820049322 U CN 201820049322U CN 208071531 U CN208071531 U CN 208071531U
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Abstract
A kind of sewage heat energy self-circulation system of the utility model, including regulating reservoir, variable frequency lift pump, hair accumulator, biochemistry pool, clear water reserviors, production water booster pump, first-class heat exchanger, secondary heat exchanger, heat pump, water circulating pump.This sewage heat energy self-circulation system, by the way of heat exchanger and heat pump combination, as temperature continuously decreases, heat pump is not directly initiated, but one or more first-class heat exchanger is set as transition, reduces energy consumption, not only it had solved the problems, such as that effluent quality was not up to standard, but also has saved the energy.
Description
Technical field
The utility model belongs to the energy saving technical field of environmental protection, specifically, the utility model is related to a kind of dirts
Hydro-thermal energy self-circulation system.
Background technology
In the process flow of municipal wastewater routine, the pretreatment of sewage, biological treatment and subsequent depth are generally included
Process flow.Wherein biochemical treatment is the main contaminant degradation process of municipal wastewater, and treatment effect is in addition to by sewage itself
Biodegradability can influence outer, external condition such as temperature etc. also has it important influence.Especially in northern China, winter
Temperature is low, and the duration is long, directly results in sewage temperature and is less than 15 degrees Celsius, is substantially reduced to the activity of activated sludge, very
To the function of losing degradation of contaminant.The utility model is by the way of heat exchanger and heat pump combination, and binding time is sequentially
Corresponding conversion and control achievees the purpose that maintain water process temperature, solves the winter biochemical treatment failure of northern sewage treatment plant, be discharged
Water quality problem not up to standard.
Invention content
The purpose of the utility model is to overcome or improve the prior art the shortcomings that, a kind of sewage heat energy self-loopa system is provided
System, by using the mode that heat exchanger and heat pump combine, the corresponding conversion and control of binding time sequentially reaches maintenance water process
The purpose of temperature solves the winter biochemical treatment failure of northern sewage treatment plant, effluent quality problem not up to standard.
A kind of sewage heat energy self-circulation system of the utility model, including regulating reservoir, variable frequency lift pump, hair accumulator,
Biochemistry pool, clear water reserviors, production water booster pump, first-class heat exchanger, secondary heat exchanger, heat pump, water circulating pump;The regulating reservoir water inlet
It is connected through pretreated raw sewage, there is variable frequency lift pump, the water outlet connection hair aggregation of variable frequency lift pump in regulating reservoir
The production mouth of a river of the water inlet of device, the hair accumulator is divided into two-way, connects the cooling water inlet of first-class heat exchanger, another way all the way
Connect the 1# water inlets of biochemistry pool;The cooling water outlet of the first-class heat exchanger is divided into two-way, all the way directly with No. 2 entrances of biochemistry pool
The cold water inlet of connection, another way and secondary heat exchanger connects;The 1# of the cooling water outlet connection biochemistry pool of secondary heat exchanger enters water
Mouthful, the water inlet of the water outlet connection clear water reserviors of biochemistry pool;The production mouth of a river of the clear water reserviors is divided into two-way, all the way with floss hole
It is connected, another way is connected by producing water booster pump with the heat source water inlet of the first-class heat exchanger;The first-class heat exchanger
Heat source water out is divided into two-way, is connected all the way with production water outlet, another way is connected with heat pump raw water inlet;The heat pump raw water
Outlet is connected with production water outlet, and heat pump cycle water inlet is connected by the circulating water outlet of water circulating pump and secondary heat exchanger,
Heat pump cycle water out is connected with the cycle water inlet of secondary heat exchanger.
It is equipped with autocontrol valve in each pipeline of the sewage heat energy self-circulation system.The first-class heat exchanger can be with
It is more parallel connections, according to the start and stop of each temperature, water quality adjustment first-class heat exchanger, the water inlet of the biochemistry pool is segmented into
1#, 2# can also be the same water inlet or multiple water inlets.
This system is changed with time with inflow temperature to adjust foundation, is taken different recycle heat modes respectively, is reached
To the purpose of systems stabilisation water temperature.(1)When raw sewage water temperature is more than 20 DEG C, sewage is in the good temperature model of biochemical property
It encloses, is sent directly into subsequent biochemical treatment tank by elevator pump, carries out biological treatment.(2)When raw sewage water temperature is in 15
DEG C ~ 20 DEG C when, the biochemical property of sewage is deteriorated, and needs to start first-class heat exchanger and exchanges heat.Due to treated sewage temperature
Also in higher temperature, and raw sewage temperature is low, and sewage is improved using heat convection technology using the temperature difference between the two
Inflow temperature.It can effectively slow down the time being lower into water water temperature in this way, extend the biochemical processing time ratio in 1 year,
While the startup time for heat pump of delaying, reduce electricity consumption.(3)When raw sewage water temperature is less than 15 DEG C, sewage is substantially lost
Bio-degradable performance, and reduced along with temperatures drive power, it can not be reached by the heat exchanger heat exchange between sewage
The purpose of further lifting sewage temperature, so starting heat pump at this time.The origin of heat of heat pump is after biochemical treatment and by one
The water outlet of grade heat exchanger, heat pump draw biochemical production hydro-thermal amount heat cycles water, and the heat of recirculated water is transmitted by secondary heat exchanger
To the sewage Jing Guo first-class heat exchanger.Using the efficient heat castering action of heat pump, by the heat transfer in treated production water
Into raw sewage, achieve the purpose that promote water temperature.
The sewage heat energy self-circulation system of the utility model, by the way of heat exchanger and heat pump combination, binding time is suitable
Corresponding conversion and control in sequence achievees the purpose that maintain water process temperature, solves the winter biochemical treatment of northern sewage treatment plant and lose
It loses, effluent quality problem not up to standard.
Description of the drawings
Fig. 1, Fig. 2 are the schematic diagram of the sewage heat energy self-circulation system of two kinds of embodiments of the utility model.
Wherein:1- regulating reservoirs, 2- variable frequency lift pumps, 3- hair accumulators, 4,4A, 4B, 4C- first-class heat exchanger, 5-
Secondary heat exchanger, 6- heat pumps, 7- water circulating pumps, 8- biochemistry pools, 9- clear water reserviors, 10- produce water booster pump, R1, R2, R3,
R4, R5, R6, R7, R8, R9, R1A, R1B, R1C, R2A, R2B, R2C are autocontrol valve.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example further illustrates the utility model.
Embodiment one:
As shown in Figure 1, a kind of sewage heat energy self-circulation system, including regulating reservoir 1, variable frequency lift pump 2, hair accumulator 3,
First-class heat exchanger 4, secondary heat exchanger 5, heat pump 6, water circulating pump 7, biochemistry pool 8, clear water reserviors 9, production water booster pump 10 and automatic control
Valve R1, R2, R3, R4, R5, R6, R7, R8, R9 processed.Its connection relation is as shown in Figure 1.
This system is changed with time with inflow temperature to adjust foundation,(1)When raw sewage water temperature is more than 20 DEG C, sewage
In the good temperature range of biochemical property, valve R3, R4 are opened, and valve R1, R2, R5, R6, R7, R8, R9 are closed, source sewage
It is sent directly into subsequent biochemical treatment tank 8 by elevator pump, carries out biological treatment.It produces water and passes through R4 direct emissions(2)Work as original
When sewage water temperature is in 15 DEG C ~ 20 DEG C, the biochemical property of sewage is deteriorated, and startup first-class heat exchanger is needed to exchange heat.At this moment it beats
Valve opening door R1, R2, R7, R5 close valve R3, R4, R6, R8, R9, start production water booster pump 10, by biochemistry pool 8 and clear water reserviors
9 production water is pressurized through producing water booster pump 10, then is discharged after being exchanged heat by first-class heat exchanger 4, and raw water is by valve R1 by heat exchange
After device biochemistry pool 8 is fed from 2# water inlets.(3)It, cannot after being exchanged heat by first-class heat exchanger when raw sewage water temperature is less than 15 DEG C
Enough meet water temperature requirement, at this moment needs to start heat pump 6 and secondary heat exchanger 5.At this moment valve R1, R2, R6, R8, R9 are opened, is closed
Valve R3, R4, R5, R7 start heat pump 6, production water booster pump 10 and water circulating pump 7, and raw sewage is by first-class heat exchanger 4, two level
Heat exchanger 5 feeds biochemistry pool 8 after heating, clear water reserviors production water discharges after first-class heat exchanger 4 and heat pump 6, and heat pump 6 is from production water
Heat and heat cycles water are extracted, hot water is provided for secondary heat exchanger 5.Using the efficient heat castering action of heat pump, will handle
In the heat transfer to raw sewage in production water afterwards, achieve the purpose that promote water temperature.
Embodiment two:
As shown in Fig. 2, a kind of sewage heat energy self-circulation system, including regulating reservoir 1, variable frequency lift pump 2, hair accumulator 3,
First-class heat exchanger has three, is denoted as 4A, 4B and 4C, secondary heat exchanger 5, heat pump 6, water circulating pump 7, biochemistry pool 8, clear water reserviors
9, produce water booster pump 10 and autocontrol valve R1A, R1B, R1C, R2A, R2B, R2C, R3, R4, R5, R6, R7, R8, R9.It connects
It is as shown in Figure 2 to connect relationship.
This system is changed with time with inflow temperature to adjust foundation,(1)When raw sewage water temperature is more than 20 DEG C, sewage
In the good temperature range of biochemical property, open valve R3, R4, close valve R1A, R1B, R1C, R2A, R2B, R2C, R5,
R6, R7, R8, R9, raw sewage are sent directly into subsequent biochemical treatment tank 8 by elevator pump 2, carry out biological treatment.Produce water warp
Cross R4 direct emissions(2)When raw sewage water temperature is in 15 DEG C ~ 20 DEG C, the biochemical property of sewage is deteriorated, and startup level-one is needed to change
Hot device exchanges heat.And it can be with the variation of temperature startup one, Liang Tai, three first-class heat exchangers, when three heat exchangers
When needing fully open, valve R1A, R1B, R1C, R2A, R2B, R2C, R7, R5 are opened, closes valve R3, R4, R6, R8, R9,
Start production water booster pump 10, is pressurized by the production water of biochemistry pool 8 and clear water reserviors 9 through producing water booster pump 10, then exchanged heat by level-one
Discharged after device 4A, 4B, 4C heat exchange, raw water by valve R1A after heat exchanger 4A, by valve R1B after heat exchanger 4B,
By valve R1C after heat exchanger 4C, biochemistry pool 8 is fed from 2# water inlets.(3)When raw sewage water temperature is less than 15 DEG C, lead to
It crosses after first-class heat exchanger heat exchange it is impossible to meet water temperature requirement, at this moment needs to start heat pump 6 and secondary heat exchanger 5.At this moment it opens
Valve R1A, R1B, R1C, R2A, R2B, R2C, R6, R8, R9 close valve R3, R4, R5, R7, start heat pump 6, production water booster pump
10 and water circulating pump 7, raw sewage feeds biochemistry pool 8, clear water after first-class heat exchanger 4A, 4B, 4C and secondary heat exchanger 5 are heated
Pond production water discharges after first-class heat exchanger 4A, 4B, 4C and heat pump 6, heat pump 6 extraction heat and heat cycles water from production water,
Hot water is provided for secondary heat exchanger 5.Using the efficient heat castering action of heat pump, the heat transfer in treated production water is arrived
In raw sewage, achieve the purpose that promote water temperature.
The sewage heat energy self-circulation system of the utility model, by the way of heat exchanger and heat pump combination, as temperature becomes
Change, do not directly initiate heat pump, but first-class heat exchanger is set as transition, reduces energy consumption, both solved effluent quality and do not reached
Target problem, and saved the energy.
Claims (4)
1. a kind of sewage heat energy self-circulation system, it is characterised in that:Including regulating reservoir(1), variable frequency lift pump(2), hair aggregation
Device(3), first-class heat exchanger(4), secondary heat exchanger(5), heat pump(6), water circulating pump(7), biochemistry pool(8), clear water reserviors(9)And production
Water booster pump(10);
The regulating reservoir(1)Water inlet is connected through pretreated raw sewage, regulating reservoir(1)Inside there is variable frequency lift pump(2), become
Frequency elevator pump(2)Water outlet connect hair accumulator(3)Water inlet;
The hair accumulator(3)The production mouth of a river be divided into two-way, connect first-class heat exchanger all the way(4)Cooling water inlet, another way
Connect biochemistry pool(8)1# water inlets;
The first-class heat exchanger(4)Cooling water outlet be divided into two-way, all the way directly and biochemistry pool(8)2# entrances connection, it is another
Road and secondary heat exchanger(5)Cold water inlet connection;
The secondary heat exchanger(5)Cooling water outlet connect biochemistry pool(8)1# water inlets, biochemistry pool(8)Water outlet connection
Clear water reserviors(9)Water inlet;
The clear water reserviors(9)The production mouth of a river be divided into two-way, be connected all the way with floss hole, another way pass through produce water booster pump(10)
With the first-class heat exchanger(4)Heat source water inlet be connected;
The first-class heat exchanger(4)Heat source water out be divided into two-way, all the way with production water outlet be connected, another way and heat pump
(6)Raw water inlet be connected;
The heat pump(6)Raw water is exported to be connected with production water outlet, heat pump(6)Cycle water inlet pass through water circulating pump(7)With
Secondary heat exchanger(5)Circulating water outlet connection, heat pump(6)Circulating water outlet and secondary heat exchanger(5)Cycle water inlet
It is connected.
2. a kind of sewage heat energy self-circulation system as described in claim 1, which is characterized in that sewage heat energy self-loopa system
It is equipped with autocontrol valve in each pipeline of system.
3. a kind of sewage heat energy self-circulation system as described in claim 1, which is characterized in that the first-class heat exchanger(4)It is
More parallel connections, according to the start and stop of each temperature, water quality adjustment first-class heat exchanger.
4. a kind of sewage heat energy self-circulation system as described in claim 1, which is characterized in that the biochemistry pool(8)Enter water
Mouth is divided into the more a water inlets of 1#, 2#.
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CN201820049322.9U CN208071531U (en) | 2018-01-12 | 2018-01-12 | A kind of sewage heat energy self-circulation system |
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CN201820049322.9U CN208071531U (en) | 2018-01-12 | 2018-01-12 | A kind of sewage heat energy self-circulation system |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113149340A (en) * | 2021-03-24 | 2021-07-23 | 白果科技股份公司 | Device for thermal recycling of sewage treatment and implementation method |
WO2022252110A1 (en) * | 2021-06-01 | 2022-12-08 | 王志猛 | Heat exchange device |
-
2018
- 2018-01-12 CN CN201820049322.9U patent/CN208071531U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113149340A (en) * | 2021-03-24 | 2021-07-23 | 白果科技股份公司 | Device for thermal recycling of sewage treatment and implementation method |
WO2022252110A1 (en) * | 2021-06-01 | 2022-12-08 | 王志猛 | Heat exchange device |
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