CN203560885U - Continuous blowdown waste heat recovery system used for boiler - Google Patents
Continuous blowdown waste heat recovery system used for boiler Download PDFInfo
- Publication number
- CN203560885U CN203560885U CN201320450093.9U CN201320450093U CN203560885U CN 203560885 U CN203560885 U CN 203560885U CN 201320450093 U CN201320450093 U CN 201320450093U CN 203560885 U CN203560885 U CN 203560885U
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- CN
- China
- Prior art keywords
- water
- boiler
- vapor
- knockout drum
- tank
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000011084 recovery Methods 0.000 title abstract description 5
- 239000002918 waste heat Substances 0.000 title abstract 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 58
- 239000002351 wastewater Substances 0.000 claims abstract description 33
- 238000007599 discharging Methods 0.000 claims description 8
- 239000010865 sewage Substances 0.000 claims description 8
- 239000013049 sediment Substances 0.000 claims description 6
- 230000008676 import Effects 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 239000000203 mixture Substances 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 description 4
- 230000008016 vaporization Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000009834 vaporization Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model provides a continuous blowdown waste heat recovery system used for a boiler. The continuous blowdown waste heat recovery system used for the boiler includes a water vapor knockout drum connected with a discharge pipe of the boiler. A water inlet arranged in the middle part of the water vapor knockout drum is connected with the discharge pipe. The upper part of the water vapor knockout drum is provided with a vapor outlet. The lower part of the water vapor knockout drum is provided with a waste heat discharge port. The continuous blowdown waste heat recovery system also includes a heat exchanger used for performing heat exchange with clean water and waste water and a water storage tank used for storing clean water. The vapor outlet is connected with a heating pipe protruding into water in the water storage tank. After vapor is separated from vapor-water mixture discharged from the boiler in the water vapor knockout drum, the vapor is led into the water storage tank for heating clean water and heat energy of the vapor is recycled through the water storage tank. Heat exchange for heat energy in waste hot water discharged from the lower part of the knockout drum is realized by arranging a heat exchange. In this way, heat energy in the waste water discharged from the boil is recycled and produced secondary vapor heat energy is also utilized, so that economical efficiency and safety performance are improved.
Description
Technical field
The utility model relates to a kind of residual neat recovering system, relates in particular to a kind of continuous blowdown system of boiler residual neat recovering system.
Background technology
At the industrial large-sized boiler of using, need to carry out continuous blowdown operation, because the water in boiler becomes after steam, the salt dissolving in water and the various sediments of separating out will be accumulated in boiler, these salts and sediment, by being attached on the inwall of boiler, likely work the mischief to boiler, lead to great accident, therefore, need continuous blowdown, salt and sediment are discharged, keep the salt of boiler water not exceed standard.Pressure and temperature in boiler is very high, the heat energy containing in the waste water of discharging is very high, if directly enter lower ditch, these heats can be fallen by direct losses, and, after waste water is discharged from, because pressure reduces suddenly, the sewage of part is vaporization rapidly, produces a large amount of indirect steams, and thermal loss is very large.
Utility model content
For solving the deficiencies in the prior art, the utility model provides a kind of continuous blowdown system of boiler residual neat recovering system, and the heat in the sewage that it can be discharged boiler reclaims, and can eliminate the generation of steam, has improved economy and security.
For achieving the above object, continuous blowdown system of boiler residual neat recovering system of the present utility model, comprise the steam knockout drum being connected with the blow-off pipe of boiler, the water inlet that this steam knockout drum middle part arranges is connected with boiler water blow-down pipe, its tank body top is provided with the venthole that water supply steam flows out, tank body lower part is provided with the delivery port of discharging for spent hot water, also comprise with the spent hot water that clear water and delivery port are discharged and carry out the heat exchanger of heat exchange and for storing the tank of clear water, on described venthole, be connected with the steam outlet pipe that stretches to tank liquid level below.
As to restriction of the present utility model, between described heat exchanger and tank, be connected with heated clear water is incorporated into the drainage tube in tank.
As to restriction of the present utility model, the top of described heat exchanger is provided with the waste water import flowing into for waste water and the wastewater outlet flowing out for waste water, in its bottom, is provided with the sewage draining exit of discharging for the sediment in waste water.
As to restriction of the present utility model, described tank is connected to boiler water supply with boiler.
Adopt technique scheme, its beneficial effect is as follows:
The thermal wastewater of discharging in boiler, vapour mixture are isolated after steam by steam trap, steam is introduced into tank heating cold water, by heat exchanger is set, the heat in useless waste water is replaced with cold water simultaneously, heat in the sewage of like this boiler being discharged has completed whole recovery, economy and security have been improved, heat exchanger is connected with drainage tube with tank, heated clear water in heat exchanger can be incorporated in tank, facilitates the Storage and Processing of these clear water; At the top of heat exchanger, waste water import and wastewater outlet are set, in its bottom, sewage draining exit are set, prevent that heat exchanger from stopping up; After water in tank is heated, by water pump, re-inject boiler, reduce the fuel consumption of boiler.
Accompanying drawing explanation
Below in conjunction with the drawings and the specific embodiments, the utility model is done further to describe in detail:
Fig. 1 is structural representation of the present utility model.
In figure: 1, steam knockout drum; 11, water inlet; 12, venthole; 13, delivery port; 14, steam outlet pipe; 2, heat exchanger; 21, waste water import; 22, wastewater outlet; 23, sewage draining exit; 24, clear water entrance; 25, clear water output; 26, drainage tube; 3, tank.
The specific embodiment
As shown in Figure 1, the continuous blowdown system of boiler residual neat recovering system of the present embodiment, comprise the steam knockout drum 1 being connected with the blow-off pipe of boiler, the water inlet 11 that this steam knockout drum 1 middle part arranges is connected with blow-off pipe, its tank body top is provided with the venthole 12 that water supply steam flows out, and tank body lower part is provided with the delivery port 13 of discharging for waste water.The waste water flowing out in boiler is from water inlet 11 enters into the inside of steam knockout drum 1, because the air pressure in steam knockout drum 1 is far smaller than the air pressure in boiler, can there is secondary vaporizing phenomenon fast in waste water now, produce a large amount of steam, these steam rise and arrive venthole 12, and the waste water of vaporization does not flow down to delivery port 13.In order to reclaim the heat in waste water, the present embodiment is provided with heat exchanger 2 and tank 3.Heat exchanger 2 reclaims the heat in the waste water flowing out in delivery port 13,3 of tanks reclaim water vapour heat, on venthole 12, be connected with the steam outlet pipe 14 that stretches to tank 3 liquid level belows, steam arrives tank 3 under the effect of himself vapour pressure, and the clear water in tank 3 is by steam heat absorption.
At the top of heat exchanger 2, be provided with the waste water import 21 flowing into for waste water and the wastewater outlet 22 flowing out for waste water, in its bottom, be provided with the sewage draining exit 23 of discharging for the sediment in waste water, when spent hot water is flowed in heat exchanger 2, clean clear water is by clear water entrance 24 inflow heat exchangers 2, by clear water output 25, flowed out again, during clear water and spent hot water carry out thermal energy exchange.Clear water output 25 is directly connected with drainage tube 26 with tank 3, for heated clear water is incorporated into tank 3.Tank 3 is connected with boiler by water pump, to boiler heat supplying water, thereby the heat of absorption is turned back to boiler the inside, has reduced the consumption of boiler oil.
Claims (4)
1. a continuous blowdown system of boiler residual neat recovering system, comprise the steam knockout drum (1) being connected with the blow-off pipe of boiler, the water inlet (11) that this steam knockout drum (1) middle part arranges is connected with blow-off pipe, its tank body top is provided with the venthole (12) that water supply steam flows out, tank body lower part is provided with the delivery port (13) of discharging for waste water, it is characterized in that: also comprise with the waste water that clear water and delivery port (13) are discharged and carry out the heat exchanger (2) of heat exchange and for storing the tank (3) of clear water, on described venthole (12), be connected with the steam outlet pipe (14) that stretches to tank (3) liquid level below.
2. continuous blowdown system of boiler residual neat recovering system according to claim 1, is characterized in that: between described heat exchanger (2) and tank (3), be connected with heated clear water is incorporated into the drainage tube (26) in tank (3).
3. continuous blowdown system of boiler residual neat recovering system according to claim 1, it is characterized in that: the top of described heat exchanger (2) is provided with the waste water import (21) flowing into for waste water and the wastewater outlet (22) flowing out for waste water, in its bottom, is provided with the sewage draining exit (23) of discharging for the sediment in waste water.
4. according to the continuous blowdown system of boiler residual neat recovering system described in any one in claims 1 to 3, it is characterized in that: described tank (3) is connected to boiler water supply with boiler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320450093.9U CN203560885U (en) | 2013-07-26 | 2013-07-26 | Continuous blowdown waste heat recovery system used for boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320450093.9U CN203560885U (en) | 2013-07-26 | 2013-07-26 | Continuous blowdown waste heat recovery system used for boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203560885U true CN203560885U (en) | 2014-04-23 |
Family
ID=50510604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320450093.9U Expired - Lifetime CN203560885U (en) | 2013-07-26 | 2013-07-26 | Continuous blowdown waste heat recovery system used for boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203560885U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103968366A (en) * | 2014-05-04 | 2014-08-06 | 广州迪森热能技术股份有限公司 | Biomass boiler blow-down waste heat recycling system |
| CN104033871A (en) * | 2014-06-26 | 2014-09-10 | 广州迪森热能技术股份有限公司 | Biomass steam heat-storage-type supply system |
| ES2529475A1 (en) * | 2014-11-27 | 2015-02-20 | Automatización, Telegestión Y Ahorro Energético, S.L. | Water vapor boiler purge energy recovery equipment (Machine-translation by Google Translate, not legally binding) |
| CN105114935A (en) * | 2015-09-21 | 2015-12-02 | 山东理工大学 | Cloud measurement and control boiler waste heat system for intelligently controlling output temperature |
| CN112815295A (en) * | 2021-01-16 | 2021-05-18 | 宁波明州热电有限公司 | Continuous blowdown system of boiler |
-
2013
- 2013-07-26 CN CN201320450093.9U patent/CN203560885U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103968366A (en) * | 2014-05-04 | 2014-08-06 | 广州迪森热能技术股份有限公司 | Biomass boiler blow-down waste heat recycling system |
| CN104033871A (en) * | 2014-06-26 | 2014-09-10 | 广州迪森热能技术股份有限公司 | Biomass steam heat-storage-type supply system |
| ES2529475A1 (en) * | 2014-11-27 | 2015-02-20 | Automatización, Telegestión Y Ahorro Energético, S.L. | Water vapor boiler purge energy recovery equipment (Machine-translation by Google Translate, not legally binding) |
| CN105114935A (en) * | 2015-09-21 | 2015-12-02 | 山东理工大学 | Cloud measurement and control boiler waste heat system for intelligently controlling output temperature |
| CN105114935B (en) * | 2015-09-21 | 2017-05-31 | 山东理工大学 | The cloud observing and controlling boiler afterheat system of Based Intelligent Control output temperature |
| CN112815295A (en) * | 2021-01-16 | 2021-05-18 | 宁波明州热电有限公司 | Continuous blowdown system of boiler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140423 |