CN207025057U - New fluid-mixing waste-heat recovery device - Google Patents
New fluid-mixing waste-heat recovery device Download PDFInfo
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- CN207025057U CN207025057U CN201720881932.0U CN201720881932U CN207025057U CN 207025057 U CN207025057 U CN 207025057U CN 201720881932 U CN201720881932 U CN 201720881932U CN 207025057 U CN207025057 U CN 207025057U
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- recovery device
- absorbing tower
- tower body
- heat recovery
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Abstract
New fluid-mixing waste-heat recovery device, including desulfuration absorbing tower body are the utility model is related to, the lower sidewall of the desulfuration absorbing tower body is provided with gas approach, exhanst gas outlet is provided with the top of the desulfuration absorbing tower body；The sealed bottom of the desulfuration absorbing tower body is formed with water leg, corrugated plating demister, shower, heat exchanger, packing layer are disposed with from top to bottom between the gas approach and exhanst gas outlet, desulfuration absorbing tower is originally additionally provided with separator, water circulating pump in vitro, and closure buck circulation loop is in turn connected to form between the water leg and separator, water circulating pump, shower；The heat exchanger is used for heating boiler feed water.The sensible heat in flue gas and latent heat can be reclaimed effectively using flue gas and the waste heat of buck, preferably reduce the temperature of flue gas and buck, improve desulfuration efficiency, reach the purpose of energy-conserving and environment-protective while the utility model desulfurization.
Description
Technical field
A kind of new fluid-mixing waste-heat recovery device is the utility model is related to, specifically, is related to one kind and utilizes power station pot
Flue gas and buck heat carry out the device of waste heat recovery in stove auxiliary facility desulfuration absorbing tower, are a kind of UTILIZATION OF VESIDUAL HEAT IN heat exchange skills
Art, belong to energy conservation field.
Background technology
The fields such as oil, chemical industry and life heating widely use Industrial Boiler, and a large amount of 120~140 DEG C of low-temperature flue gas is straight
Run in and put.Although the taste of low-temperature flue gas waste heat is relatively low, its total amount is larger, has good energy-saving potential.And with environment
Pollution and the aggravation of energy scarcity problem, country advocate energy-saving and emission-reduction energetically.Under this overall background, each enterprise is in production process
How caused low-temperature flue gas waste heat is using paying attention to further.However, existing low-temperature flue gas waste heat is using technology, also there is all
More problems, for example, counting apparatus intelligence recovered flue gas sensible heat mostly, it is impossible to flue gas is reduced to below condensation temperature, have impact on remaining
The efficiency of recuperation of heat.
Boiler smoke will generally carry out desulfurization process before discharge, however, in actual motion, exhaust gas temperature is higher than design
20 DEG C or so of value, reaches more than 140 DEG C, causes temperature in desulfuration absorbing tower too high, buck temperature exceeding standard, and pH value is often beyond control
Scope processed, desulfuration efficiency do not reach 90% at all.In order to reduce temperature in desulfuration absorbing tower, desulfuration efficiency is improved, is effectively utilized
Flue gas and buck waste heat, propose a kind of new fluid-mixing waste-heat recovery device.
Utility model content
In view of this, in order to solve the above problems, the utility model provides a kind of new fluid-mixing waste-heat recovery device,
Temperature in desulfuration absorbing tower can be reduced, desulfuration efficiency is improved, effectively utilizes flue gas and buck waste heat.
To reach above-mentioned purpose, the technical solution adopted in the utility model is：A kind of new fluid-mixing waste heat recovery dress
Put, including desulfuration absorbing tower body, the lower sidewall of the desulfuration absorbing tower body are provided with gas approach, the desulfurization absorbs
Exhanst gas outlet is provided with the top of tower body；The sealed bottom of the desulfuration absorbing tower body is formed with water leg, the flue gas
Corrugated plating demister, shower, heat exchanger, packing layer, desulfurization are disposed between import and exhanst gas outlet from top to bottom
Absorption tower is originally additionally provided with separator, water circulating pump in vitro, between the water leg and separator, water circulating pump, shower according to
Secondary connection forms closure buck circulation loop；Also include buck supply unit, the buck supply unit and closure buck circulation
Loop is connected, in addition to dirt tank, and the dirt tank is connected with the separator, and the heat exchanger includes cooling water inlet
And hot water outlet, for heating boiler feed water.
Further, in addition to the cyclone dust collectors that are arranged between the gas approach and packing layer, the whirlwind remove
The bottom of dirt device is provided with dust fall mouth.
Further, cleaning pipe is provided between exhanst gas outlet and the corrugated plating demister.
Further, sewage draining exit is additionally provided with the water leg, agitator, water-level alarm are provided with the water leg
Device, acidity-basicity sensor.
Further, the heat exchanger is used for heating boiler feed water, and province's coal of boiler is led in heated boiler feedwater
Device.
Further, the separator uses one-level or multistage cyclonic fluid separator.
Further, the shower uses one-level or multi-stage spray layer.
Further, the heat exchanger is spiral coil heat exchanger.
In addition, in technical scheme described in the utility model, it is all not do what is illustrated, it can use normal in this area
Rule means realize the technical program.
The utility model has advantages below：Heat exchanger of the present utility model has self-cleaning function, and fluid-mixing is not
It is disconnected to wash away heat-exchanger surface, heat exchanger tube surface scale and corrosion can be effectively reduced.The heat exchange amount of heat exchanger significantly increases,
Heat exchanger can effectively absorb the sensible heat and latent heat of high-temperature flue gas and buck, low-temperature flue gas is reached 50 DEG C or so.In addition, will
Cool water heating effectively utilizes waste heat into hot water, temperature rise up to more than 40 DEG C.Utilize fume afterheat heating boiler feed water, boiler efficiency
About 2% can be improved, and then improves the effective rate of utilization of the energy and reduces the discharge of pollutant.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure：1st, desulfuration absorbing tower body；2nd, water leg；3rd, packing layer；4th, shower；5th, corrugated plating demister；6th, it is clear
Wash pipe；7th, exhanst gas outlet；8th, gas approach；9th, cyclone dust collectors；10th, dust fall mouth；11st, separator；12nd, dirt tank；13rd, heat is handed over
Parallel operation；14th, water circulating pump；15th, buck supply unit；16th, sewage draining exit；17th, agitator；18th, water level alarm；19th, acid-base value
Sensor；131st, cooling water inlet；132nd, hot water outlet.
Embodiment
The utility model is described further below in conjunction with the accompanying drawings.
Referring to Fig. 1, a kind of new fluid-mixing waste-heat recovery device, including desulfuration absorbing tower body 1, the desulfurization absorb
The lower sidewall of tower body 1 is provided with gas approach 8, and the top of the desulfuration absorbing tower body 1 is provided with exhanst gas outlet 7, institute
The sealed bottom of desulfuration absorbing tower body 1 is stated formed with water leg 2, between the gas approach 8 and exhanst gas outlet 7 from top to bottom
Corrugated plating demister 5, shower 4, heat exchanger 13, packing layer 3 are disposed with, is additionally provided with outside desulfuration absorbing tower body 1
Separator 11, water circulating pump 14, it is in turn connected to form between the water leg 2 and separator 11, water circulating pump 14, shower 4
Close buck circulation loop；Also include buck supply unit 15, the buck supply unit 15 is with closing buck circulation loop phase
Connection, in addition to dirt tank 12, the dirt tank 12 are connected with the separator 11, and the heat exchanger 13 enters including cold water
Mouth and hot water outlet, for heating boiler feed water.
Also include the cyclone dust collectors 9 being arranged between the gas approach 8 and packing layer 3, the cyclone dust collectors 9
Bottom is provided with dust fall mouth 10.Cleaning pipe 6 is provided between the exhanst gas outlet 7 and corrugated plating demister 5.For stopping making
Used time, device is cleaned.Sewage draining exit 16 is additionally provided with the water leg 2, agitator is provided with the water leg 2
17th, water level alarm 18, acidity-basicity sensor 19.The heat exchanger 13 is used for heating boiler feed water, and heated boiler is given
Water leads to the economizer of boiler.The separator 11 uses one-level or multistage cyclonic fluid separator.The shower 4 uses one-level
Or multi-stage spray layer.The heat exchanger 13 is spiral coil heat exchanger.
The utility model is operated according to following flow：Low-temperature flue gas enters waste heat recovery from gas approach 8 and filled
Put, first pass around cyclone dust collectors 9 and carry out dust removal process, the fixation particulate matter departed from is discharged from dust fall mouth 10, after dedusting
Flue gas first passes around packing layer 3, filling filler in packing layer 3, filler be mostly by materials such as hollow oversensitive face ball, fibre bundles,
For increasing the contact area of low-temperature flue gas and the buck of spray, ensure the abundant of contact.Flue gas is through over-heat-exchanger 13 afterwards,
Heat exchanger 13 can effectively absorb the sensible heat and latent heat of high-temperature flue gas and buck, and heat exchanger of the present utility model has from clear
Clean function, fluid-mixing constantly wash away the surface of heat exchanger 13, can effectively reduce heat exchanger tube surface scale and corrosion.
Flue gas is finally discharged outside desulfuration absorbing tower body 1 by shower 4, corrugated plating demister 5, cleaning pipe 6 afterwards, complete
Into whole heat transfer process.Buck forms spraying by shower 4 and sprayed downwards, desulphurization reaction is carried out with flue gas, with heat exchanger
13 are exchanged heat, and the buck after heat exchange reaction is fallen into water leg 2, pass sequentially through separator 11, water circulating pump 14, spray afterwards
Shower pipe 4 completes the cycling and reutilization of buck, and in order to ensure the stability of the grade operation of water circulating pump 14, alkali is removed by separator 11
Dirt in water, and dirt tank 12 is finally stored in, buck feeds unit 15 and is connected with closure buck circulation loop, is used for
Buck in timely replenishment cycles loop.Sewage draining exit 16 is additionally provided with the water leg 2, water leg bottom is deposited on for discharging
The buck in portion, agitator 17, water level alarm 18, acidity-basicity sensor 19 is provided with the water leg 2, agitator 17 makes mud
Heavy deposition will not occur for dirt, and water level alarm 18, acidity-basicity sensor 19 can provide alert, and supplement buck in time, prevent
The buck acidity only circulated is excessive, and the equipment such as heat exchanger 13, water circulating pump 14 are damaged.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (8)
1. a kind of new fluid-mixing waste-heat recovery device, including desulfuration absorbing tower body (1), the desulfuration absorbing tower body
(1) lower sidewall is provided with gas approach (8), and exhanst gas outlet (7) is provided with the top of the desulfuration absorbing tower body (1),
It is characterized in that：The sealed bottom of the desulfuration absorbing tower body (1) is formed with water leg (2), the gas approach (8) and cigarette
Corrugated plating demister (5), shower (4), heat exchanger (13), packing layer are disposed with from top to bottom between gas outlet (7)
(3) separator (11), water circulating pump (14), the water leg (2) and separator, are additionally provided with outside desulfuration absorbing tower body (1)
(11) closure buck circulation loop, is in turn connected to form between water circulating pump (14), shower (4)；It is single also to include buck supply
First (15), the buck supply unit (15) is connected with closure buck circulation loop, in addition to dirt tank (12), the dirt
Tank (12) is connected with the separator (11), and the heat exchanger (13) includes cooling water inlet (131) and hot water outlet
(132), for heating boiler feed water.
2. new fluid-mixing waste-heat recovery device according to claim 1, it is characterised in that：It is also described including being arranged at
Cyclone dust collectors (9) between gas approach (8) and packing layer (3), the bottom of the cyclone dust collectors (9) are provided with dust fall mouth
(10)。
3. new fluid-mixing waste-heat recovery device according to claim 1, it is characterised in that：The exhanst gas outlet (7)
Cleaning pipe (6) is provided between corrugated plating demister (5).
4. new fluid-mixing waste-heat recovery device according to claim 1, it is characterised in that：On the water leg (2)
Sewage draining exit (16) is additionally provided with, agitator (17), water level alarm (18), acid-base value sensing are provided with the water leg (2)
Device (19).
5. new fluid-mixing waste-heat recovery device according to claim 1, it is characterised in that：The heat exchanger (13)
For heating boiler feed water, the economizer of boiler is led in heated boiler feedwater.
6. new fluid-mixing waste-heat recovery device according to claim 1, it is characterised in that：The separator (11) is adopted
With one-level or multistage cyclonic fluid separator.
7. new fluid-mixing waste-heat recovery device according to claim 1, it is characterised in that：The shower (4) is adopted
With one-level or multi-stage spray layer.
8. new fluid-mixing waste-heat recovery device according to claim 1, it is characterised in that：The heat exchanger (13)
For spiral coil heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720881932.0U CN207025057U (en) | 2017-07-20 | 2017-07-20 | New fluid-mixing waste-heat recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720881932.0U CN207025057U (en) | 2017-07-20 | 2017-07-20 | New fluid-mixing waste-heat recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207025057U true CN207025057U (en) | 2018-02-23 |
Family
ID=61463867
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720881932.0U Active CN207025057U (en) | 2017-07-20 | 2017-07-20 | New fluid-mixing waste-heat recovery device |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108534564A (en) * | 2018-05-31 | 2018-09-14 | 北京宏帆态金节能科技有限公司 | A kind of high-temperature flue gas quenching apparatus |
| CN108955299A (en) * | 2018-05-31 | 2018-12-07 | 北京宏帆态金节能科技有限公司 | A kind of high-temperature flue gas quick cooling method |
| CN109045953A (en) * | 2018-10-16 | 2018-12-21 | 西安交通大学 | A kind of cooling dehumidification by condensation decontamination reheating of flue gas disappears white system and method |
| CN109386328A (en) * | 2018-10-12 | 2019-02-26 | 中国大唐集团科学技术研究院有限公司火力发电技术研究院 | Combustion engine combined cycle unit flue gas waste heat recovery water intaking and inlet gas cooling association system |
| CN109737770A (en) * | 2019-01-23 | 2019-05-10 | 青岛大学 | A kind of expansion type heat exchanger |
| CN109945678A (en) * | 2019-03-25 | 2019-06-28 | 大连理工大学 | It is a kind of collection desulfurization and dedusting and condensing hot air furnace one flue gas waste heat recovery for low-temperature heat supply energy conserving system |
| CN111365727A (en) * | 2020-03-23 | 2020-07-03 | 山东省科学院能源研究所 | Flue gas waste heat recovery and purification device of small household biomass boiler |
| CN116272290A (en) * | 2023-03-21 | 2023-06-23 | 武汉龙净环保科技有限公司 | Integrated device for desulfurizing, dedusting and utilizing flue gas waste heat |
| CN118217781A (en) * | 2024-05-14 | 2024-06-21 | 北京青山绿野环保科技有限公司 | Desulfurization and waste heat recovery integrated absorption tower and absorption method thereof |
-
2017
- 2017-07-20 CN CN201720881932.0U patent/CN207025057U/en active Active
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108955299B (en) * | 2018-05-31 | 2020-05-19 | 北京宏帆态金节能科技有限公司 | High-temperature flue gas quenching method |
| CN108955299A (en) * | 2018-05-31 | 2018-12-07 | 北京宏帆态金节能科技有限公司 | A kind of high-temperature flue gas quick cooling method |
| CN108534564B (en) * | 2018-05-31 | 2023-12-26 | 北京宏帆态金节能科技有限公司 | High-temperature flue gas quenching device |
| CN108534564A (en) * | 2018-05-31 | 2018-09-14 | 北京宏帆态金节能科技有限公司 | A kind of high-temperature flue gas quenching apparatus |
| CN109386328A (en) * | 2018-10-12 | 2019-02-26 | 中国大唐集团科学技术研究院有限公司火力发电技术研究院 | Combustion engine combined cycle unit flue gas waste heat recovery water intaking and inlet gas cooling association system |
| CN109045953A (en) * | 2018-10-16 | 2018-12-21 | 西安交通大学 | A kind of cooling dehumidification by condensation decontamination reheating of flue gas disappears white system and method |
| CN109045953B (en) * | 2018-10-16 | 2023-10-24 | 西安交通大学 | Flue gas cooling, condensing, dehumidifying, decontaminating, reheating and whitening system and method |
| CN109737770B (en) * | 2019-01-23 | 2020-03-24 | 青岛大学 | Expansion type heat exchanger |
| CN109737770A (en) * | 2019-01-23 | 2019-05-10 | 青岛大学 | A kind of expansion type heat exchanger |
| CN109945678A (en) * | 2019-03-25 | 2019-06-28 | 大连理工大学 | It is a kind of collection desulfurization and dedusting and condensing hot air furnace one flue gas waste heat recovery for low-temperature heat supply energy conserving system |
| CN111365727A (en) * | 2020-03-23 | 2020-07-03 | 山东省科学院能源研究所 | Flue gas waste heat recovery and purification device of small household biomass boiler |
| CN116272290A (en) * | 2023-03-21 | 2023-06-23 | 武汉龙净环保科技有限公司 | Integrated device for desulfurizing, dedusting and utilizing flue gas waste heat |
| CN118217781A (en) * | 2024-05-14 | 2024-06-21 | 北京青山绿野环保科技有限公司 | Desulfurization and waste heat recovery integrated absorption tower and absorption method thereof |
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