CN206692504U - A kind of waste water treatment device with energy regenerating - Google Patents
A kind of waste water treatment device with energy regenerating Download PDFInfo
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- CN206692504U CN206692504U CN201720492326.XU CN201720492326U CN206692504U CN 206692504 U CN206692504 U CN 206692504U CN 201720492326 U CN201720492326 U CN 201720492326U CN 206692504 U CN206692504 U CN 206692504U
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- energy
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- energy regenerating
- heat recovery
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
A kind of waste water treatment device with energy regenerating is the utility model is related to, described device includes：Aeration tower, energy recycle device, multi-stage flash system, subsider, ash water tank and heat recovery tower, low pressure ash water pump is provided between the circulating water intake of the delivery port of the ash water tank and the heat recovery tower, high pressure ash water pump is provided between the circulating water outlet of the heat recovery tower and the water inlet of the aeration tower.The utility model adds energy recycle device in Primordial Qi flow, has so both reclaimed the pressure energy of gasification draining, has reclaimed the heat energy of gasification draining again, improves capacity usage ratio, realizes energy-saving.
Description
Technical field
It the utility model is related to coal gasification ash water-treatment technology field, and in particular to a kind of grey water process with energy regenerating
Device.
Background technology
Rich coal resources in China, the clean and effective of coal utilize one of key subjects for being energy and environment protection.Coal gas
Change the important channel of always coal conversion, and air-flow bed coal-gasification technology is then the mainstream technology of current coal gasification.Air flow bed
Gasification technology mainly has water-coal-slurry and dry powder two kinds of forms of gasification, no matter which kind of gasification mode used, is required for buck processing system
System.Grey water treatment system mostly adds sedimentation process to reclaim the solid matter in heat and water using flash process, and the work that gasifies
The general vapor pressure of skill is higher, and during using flash process, the pressure energy included in the water that gasification system is arranged just lost in vain,
Cause grey water treatment system energy consumption higher, and when water under high pressure is discharged into flash system, equipment and valve etc. are impacted larger, abrasion is very
Greatly.Reclaimed therefore, the utility model improves a kind of energy recycle device.
Utility model content
The purpose of this utility model is to provide a kind of waste water treatment device with energy regenerating, to solve recovery gasification
The problem of pressure energy of System drainage.
To achieve the above object, the utility model discloses following technical scheme：
The utility model discloses a kind of waste water treatment device with energy regenerating, described device includes：Aeration tower, energy
Retracting device, multi-stage flash system, subsider, ash water tank and heat recovery tower, the discharge outlet of the aeration tower are connected to the energy
The water inlet of retracting device is measured, the liquid outlet of the energy recycle device is connected to the inlet of the multi-stage flash system, institute
The liquid outlet for stating multi-stage flash system is connected to the inlet of the subsider, and the gray water outlet of the subsider is connected to described
The water inlet of ash water tank, the delivery port of the ash water tank are connected to the circulating water intake of the heat recovery tower, the heat recovery tower
Circulating water outlet be connected to the water inlet of the aeration tower, wherein, the delivery port of the ash water tank and the heat recovery tower
Be provided with low pressure ash water pump between circulating water intake, the water inlet of the circulating water outlet of the heat recovery tower and the aeration tower it
Between be provided with high pressure ash water pump.
A kind of above-mentioned waste water treatment device with energy regenerating, the multi-stage flash system include disclosed in the utility model
Flash tank and vacuum flasher, the inlet of the flash tank are connected to the discharge outlet of the energy recycle device, the flash distillation
The liquid outlet of tank is connected to the inlet of the vacuum flasher, and the liquid outlet of the vacuum flasher is connected to the subsider
Inlet.
A kind of above-mentioned waste water treatment device with energy regenerating, the gaseous phase outlet of the flash tank disclosed in the utility model
It is connected to the heat recovery tower.
A kind of above-mentioned waste water treatment device with energy regenerating, the gas of the vacuum flasher disclosed in the utility model
Outlet is connected to flash vacuum pump by vacuum condenser.
Above-mentioned a kind of waste water treatment device with energy regenerating disclosed in the utility model, the discharge outlet of the aeration tower and
Throttled bypass is provided between the inlet of the multi-stage flash system, the throttled bypass crosses the energy recycle device simultaneously
It is provided with choke valve.
A kind of above-mentioned waste water treatment device with energy regenerating, the energy recycle device are disclosed in the utility model
Flat energy recycle device.
The invention also discloses a kind of graywater treating method with energy regenerating, methods described includes：Aeration tower is arranged
Water enters energy recycle device, reclaims the pressure energy of aeration tower draining；Energy recycle device is drained into flash system, carries out multistage
Vacuum flashing；Gas after every grade of vacuum flashing enters heat recovery tower or enters flash distillation after being exchanged heat by vacuum flashing condenser very
Empty pump；Liquid is precipitated into subsider after multi-step pressure reduction flash distillation, and the fine ash after sedimentation is discharged from sedimentation trench bottom；Subsider top
Buck enters ash water tank from subsider overflow；Buck in ash water tank is pumped into heat recovery tower by low pressure buck, and recovery heat is returned
Receive flashed vapour heat in tower；Flow through the buck after heat recovery tower and aeration tower recycling is pumped into by high pressure buck.
The invention also discloses a kind of graywater treating method with energy regenerating, the multi-step pressure reduction flash evaporation bag
Include：One-level vacuum flashing is carried out through flash tank；Gas after one-level vacuum flashing enters heat recovery tower；After one-level vacuum flashing
Liquid enters vacuum flasher, and second depressurized flash distillation is carried out in vacuum flasher；Gas passes through vacuum after second depressurized flash distillation
Enter flash vacuum pump after flash condenser heat exchange；Liquid precipitates into subsider after second depressurized flash distillation.
A kind of above-mentioned graywater treating method with energy regenerating, the aeration tower draining flow through institute disclosed in the utility model
Pressure reduces after stating energy recycle device.
A kind of above-mentioned graywater treating method with energy regenerating, the aeration tower draining divide two-way disclosed in the utility model
Into flash system, energy recycle device is flowed through all the way, and another way flows through throttled bypass and carries out throttling control by choke valve.
The utility model has the following advantages that：
The utility model adds energy recycle device in Primordial Qi flow, has so both reclaimed the pressure of gasification draining
Can, the heat energy of gasification draining has been reclaimed again, is improved capacity usage ratio, is realized energy-saving.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the waste water treatment device with energy regenerating disclosed in the utility model.
Reference：
01：Aeration tower；02：Energy recycle device；03：Flash tank；04：Vacuum flasher；05：Subsider；06：Buck
Groove；07：Low pressure ash water pump；08：Vacuum flashing condenser；09：Flash vacuum pump；10：High pressure ash water pump；11：Heat recovery tower；
12：Choke valve；13：Throttled bypass.
Embodiment
Following examples are used to illustrate the utility model, but are not limited to the scope of the utility model.
Embodiment 1
With reference to figure 1, a kind of waste water treatment device with energy regenerating disclosed in the present embodiment includes：Aeration tower 01, energy
Retracting device 02, multi-stage flash system, subsider 05, ash water tank 06 and heat recovery tower 11 are measured, wherein, multi-stage flash system includes
Flash tank 03 and vacuum flasher 04, the discharge outlet of aeration tower 01 are connected to the water inlet of energy recycle device 02, energy regenerating
The liquid outlet of device 02 is connected to the inlet of flash tank 03, and the liquid outlet of flash tank 03 is connected to the feed liquor of vacuum flasher 04
Mouthful, the gaseous phase outlet of flash tank 03 is connected to heat recovery tower 11, and the liquid outlet of vacuum flasher 04 is connected to entering for subsider 05
Liquid mouth, the gas vent of vacuum flasher 04 are connected to flash vacuum pump 09, the buck of subsider 05 by vacuum condenser 08
Outlet is connected to the water inlet of ash water tank 06, and the delivery port of ash water tank 06 is connected to the circulating water intake of heat recovery tower 11, and heat is returned
The circulating water outlet for receiving tower 11 is connected to the water inlet of aeration tower 01, wherein, the delivery port of ash water tank 06 and heat recovery tower 11
Low pressure ash water pump 07 is provided between circulating water intake, between the circulating water outlet of heat recovery tower 11 and the water inlet of aeration tower 01
It is provided with high pressure ash water pump 10.
In addition, throttled bypass 13 is provided between the discharge outlet of above-mentioned aeration tower 01 and the inlet of multi-stage flash system,
Throttled bypass 13 crosses energy recycle device 02 and is provided with choke valve 12, and energy recycle device 02 uses turbine type energy regenerating
Device, for example, can be turbine pressure release machine or screw rod pressure release machine, the current of the discharge outlet from aeration tower 01 flow through turbine pressure release
Machine or screw rod pressure release machine drive turbine or rotor to transmit energy.
A kind of graywater treating method with energy regenerating disclosed in the present embodiment includes：Aeration tower is drained into energy and returned
Receiving apparatus 02, the pressure energy of aeration tower draining is reclaimed, pressure reduces after aeration tower draining flows through energy recycle device 02；Energy regenerating
Device is drained into multi-stage flash system, carries out multi-step pressure reduction flash distillation；Gas after every grade of vacuum flashing enters heat recovery tower 11
Or enter flash vacuum pump 09 after being exchanged heat by vacuum flashing condenser 08；Liquid is heavy into subsider 05 after multi-step pressure reduction flash distillation
Form sediment, the fine ash after sedimentation is discharged from the bottom of subsider 05；The top buck of subsider 05 enters ash water tank 06 from the overflow of subsider 05；
Buck in ash water tank 06 is sent into heat recovery tower 11 by low pressure ash water pump 07, reclaims flashed vapour heat in heat recovery tower 11；Stream
Buck after heat recovery tower 11 is sent into aeration tower 01 by high pressure ash water pump 10 and recycled；Wherein, aeration tower draining is divided to two
Road enters multi-stage flash system, flows through energy recycle device 02 all the way, and another way flows through throttled bypass 13 and by choke valve 12
Carry out throttling control.
Further, above-mentioned multi-step pressure reduction flash process includes：One-level vacuum flashing is carried out through flash tank 03；One-level depressurizes
Gas after flash distillation enters heat recovery tower 11；Liquid after one-level vacuum flashing enters vacuum flasher 04, in vacuum flasher
Second depressurized flash distillation is carried out in 04；Gas enters flash vacuum after being exchanged heat by vacuum flashing condenser 08 after second depressurized flash distillation
Pump 09；Liquid precipitates into subsider 05 after second depressurized flash distillation.
Although above having made detailed description to the utility model with generality explanation and specific embodiment,
On the basis of the utility model, it can be made some modifications or improvements, this is apparent to those skilled in the art
's.Therefore, the these modifications or improvements on the basis of without departing from the utility model spirit, belonging to the utility model will
Seek the scope of protection.
Claims (6)
1. a kind of waste water treatment device with energy regenerating, it is characterised in that described device includes：Aeration tower, energy regenerating dress
Put, multi-stage flash system, subsider, ash water tank and heat recovery tower, the discharge outlet of the aeration tower are connected to the energy regenerating
The water inlet of device, the liquid outlet of the energy recycle device are connected to the inlet of the multi-stage flash system, the multistage
The liquid outlet of flash system is connected to the inlet of the subsider, and the gray water outlet of the subsider is connected to the ash water tank
Water inlet, the delivery port of the ash water tank is connected to the circulating water intake of the heat recovery tower, the circulation of the heat recovery tower
Water out is connected to the water inlet of the aeration tower, wherein, the recirculated water of the delivery port of the ash water tank and the heat recovery tower
Low pressure ash water pump is provided between import, is set between the circulating water outlet of the heat recovery tower and the water inlet of the aeration tower
There is high pressure ash water pump.
A kind of 2. waste water treatment device with energy regenerating as claimed in claim 1, it is characterised in that the multistage flash evaporation system
System includes flash tank and vacuum flasher, and the inlet of the flash tank is connected to the discharge outlet of the energy recycle device, institute
The liquid outlet for stating flash tank is connected to the inlet of the vacuum flasher, and the liquid outlet of the vacuum flasher is connected to described
The inlet of subsider.
A kind of 3. waste water treatment device with energy regenerating as claimed in claim 2, it is characterised in that the gas of the flash tank
Mutually outlet is connected to the heat recovery tower.
A kind of 4. waste water treatment device with energy regenerating as claimed in claim 2, it is characterised in that the vacuum flasher
Gas vent flash vacuum pump is connected to by vacuum condenser.
A kind of 5. waste water treatment device with energy regenerating as claimed in claim 2, it is characterised in that the row of the aeration tower
Throttled bypass is provided between the inlet of the mouth of a river and the multi-stage flash system, the throttled bypass crosses the energy regenerating
Device is simultaneously provided with choke valve.
A kind of 6. waste water treatment device with energy regenerating as claimed in claim 5, it is characterised in that the energy regenerating dress
It is set to turbine type energy recycle device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720492326.XU CN206692504U (en) | 2017-05-05 | 2017-05-05 | A kind of waste water treatment device with energy regenerating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720492326.XU CN206692504U (en) | 2017-05-05 | 2017-05-05 | A kind of waste water treatment device with energy regenerating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206692504U true CN206692504U (en) | 2017-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720492326.XU Active CN206692504U (en) | 2017-05-05 | 2017-05-05 | A kind of waste water treatment device with energy regenerating |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106986485A (en) * | 2017-05-05 | 2017-07-28 | 北京清创晋华科技有限公司 | A kind of waste water treatment device with energy regenerating and method |
-
2017
- 2017-05-05 CN CN201720492326.XU patent/CN206692504U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106986485A (en) * | 2017-05-05 | 2017-07-28 | 北京清创晋华科技有限公司 | A kind of waste water treatment device with energy regenerating and method |
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