CN110107881B - Boiler blow off pipeline waste water recovery system - Google Patents
Boiler blow off pipeline waste water recovery system Download PDFInfo
- Publication number
- CN110107881B CN110107881B CN201910382181.1A CN201910382181A CN110107881B CN 110107881 B CN110107881 B CN 110107881B CN 201910382181 A CN201910382181 A CN 201910382181A CN 110107881 B CN110107881 B CN 110107881B
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- water
- waste
- pipe
- waste water
- water tank
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/48—Devices for removing water, salt, or sludge from boilers; Arrangements of cleaning apparatus in boilers; Combinations thereof with boilers
- F22B37/54—De-sludging or blow-down devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D11/00—Feed-water supply not provided for in other main groups
- F22D11/02—Arrangements of feed-water pumps
- F22D11/06—Arrangements of feed-water pumps for returning condensate to boiler
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B3/00—Condensers in which the steam or vapour comes into direct contact with the cooling medium
- F28B3/04—Condensers in which the steam or vapour comes into direct contact with the cooling medium by injecting cooling liquid into the steam or vapour
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B9/00—Auxiliary systems, arrangements, or devices
- F28B9/08—Auxiliary systems, arrangements, or devices for collecting and removing condensate
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Water Supply & Treatment (AREA)
- Treating Waste Gases (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention discloses a boiler blow-down pipeline waste water recovery system, which relates to the technical field of boiler blow-down waste water treatment and comprises a steam-water separator, a spray tower, a pipe network water tank, a waste heat water exchanger, pipelines connected with all parts and the like, wherein the steam-water separator can separate water and steam discharged by a fixed-row continuous-discharge pipeline, the pipe network water tank can cool water vapor in the spray tower to form water, the waste heat water tank can primarily cool water discharged by the fixed-row continuous-discharge pipeline, the waste heat water exchanger can cool waste water, and waste water recovery is facilitated. The boiler blow-down pipeline waste water recovery system can recover the waste water in the boiler blow-down pipeline after cooling, improves the water resource utilization rate, avoids waste caused by directly discharging the waste water into the surrounding environment, and simultaneously cools the waste water by utilizing the circulation of the system, thereby having good energy-saving effect.
Description
Technical Field
The invention relates to the technical field of boiler blow-down wastewater treatment, in particular to a boiler blow-down pipeline wastewater recovery system.
Background
In the running process of the industrial boiler, water in the boiler is continuously evaporated and concentrated, the salt content and various impurities are gradually increased, and in order to prevent scaling, various scale removing agents are added into the boiler water, so that some products are deposited in a steam drum, and the quality of the boiler water and steam is reduced. In order to sustain steam quality within certain limits, the boiler must be purged.
When the boiler is arranged in a fixed row and a continuous row, hot water can be introduced into a boiler blow-down pipeline, water discharged from the tail end of the blow-down pipeline is not recovered well due to higher temperature, and is generally directly discharged into the surrounding environment, so that water resources are wasted, meanwhile, the hot water contains a large amount of water vapor, the water also contains a certain chemical reagent, and certain pollution is caused to the surrounding environment.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the boiler blow-down pipeline waste water recovery system can effectively solve the problems that the boiler blow-down waste water recovery is difficult, water resources are wasted and the environment is polluted in the prior art.
The aim of the invention is achieved by the following technical measures:
the utility model provides a boiler blow off pipeline waste water recovery system, includes the row's of fixing that is connected with the boiler blow off mouth and links the calandria, the other end of row's of fixing links the inlet of arranging the steam-water separator, steam outlet of steam-water separator passes through steam pipe and is connected with the spray column, the bottom of spray column passes through the comdenstion water recovery pipe and is connected with the pipe network water tank, the bottom of pipe network water tank is connected with the entry of pipe network water tank pump through first comdenstion water raceway, the export of pipe network water tank pump is connected with the upper portion of spray column through the second comdenstion water raceway, the inside top of spray column is equipped with spray set, the second comdenstion water raceway with spray set connects; the bottom of the steam-water separator is connected with a waste water tank through a waste water pipe, the bottom of the waste water tank is connected with an inlet of a waste water tank pump through a first waste water delivery pipe, an outlet of the waste water tank pump is connected with a first connecting port of a first three-way valve, a second connecting port of the first three-way valve is connected with a second waste water delivery pipe, a third connection of the first three-way valve is connected with a third waste water delivery pipe, the other end of the third waste water delivery pipe is connected with the upper part of the waste water tank, the other end of the second waste water delivery pipe is connected with an inlet of a waste water exchanger, a condensate water recovery pipe is arranged between the waste water exchanger and the second condensate water delivery pipe, the waste water exchanger is provided with a first water outlet and a second water outlet, the first water outlet is connected with the pipe network water tank through a cooling water delivery pipe, and the second water outlet is connected with a waste water discharge pipe.
Specifically, the fixed-row and continuous-row pipeline, the bottom of the spray tower and the waste heat water discharge pipe are all provided with thermometers.
Specifically, the spraying device is a spray header.
Specifically, a condensed water regulating valve is arranged on the second condensed water delivery pipe, and a water returning valve is arranged on the third waste heat water delivery pipe; the condensate water recovery pipe is provided with a condensate water recovery valve, and the second waste heat water conveying pipe is provided with a waste heat water recovery valve and a waste heat water flow regulating valve which are connected in series.
Specifically, the bottom of waste heat water tank is equipped with the drain, the first interface connection of drain and second three-way valve, the second interface and the blow off union coupling of second three-way valve, the third interface and the sampling tube of second three-way valve are connected, be equipped with the sample valve on the sampling tube, be equipped with serial-connection's blowoff valve and blowdown flow control valve on the blow off union.
Specifically, be equipped with agitating unit in the middle of the bottom of waste heat water tank, agitating unit includes the (mixing) shaft, be equipped with spiral stirring vane on the (mixing) shaft, the (mixing) shaft with set up the external rotating electrical machines of waste heat water tank is connected.
After the scheme is adopted, the beneficial effects of the invention are as follows:
according to the boiler blow-down pipeline waste water recovery system, water vapor and water in hot water discharged from a blow-down port are separated through the steam-water separator, the water vapor enters the spray tower, the spray device cools the water to form water and then flows into the pipe network water tank, the water in the pipe network water tank flows into the spray device through the pipe network water tank pump to cool the water vapor in the spray tower, the water in the steam-water separator flows into the waste water tank, the water in the waste water tank flows into the second waste water conveying pipe or the third waste water conveying pipe through the waste water tank pump, the third waste water conveying pipe is connected with the upper part of the waste water tank, the water in the upper part and the lower part of the waste water tank can be circulated, the temperature difference between the water in the upper part and the lower part of the waste water tank is reduced, the second waste water conveying pipe and the waste water exchanger are connected, the water flowing into the waste water tank from the waste water tank is cooled through the pipe network water exchanger, the water is stably reduced, the water in the waste water tank is required to be recycled, the waste of water resource is avoided, the waste water is cooled through the cooling water conveying pipe and the pipe network water tank, the water in the water tank is cooled, the water in the water tank is well cooled, and the water in the water tank is cooled down, and the water in the water tank is discharged through the water tank, and the water in the water tank is better than the water tank.
Because the bottom of the waste heat water tank is provided with the stirring device, the exchange between the water at the upper part and the water at the lower part in the waste heat water tank is facilitated, and the temperature difference between the water at the upper part and the water at the lower part in the waste heat water tank is reduced.
In conclusion, the wastewater recovery system of the boiler blow-down pipeline can be used for recovering the wastewater in the boiler blow-down pipeline after cooling, so that the water resource utilization rate is improved, the waste caused by directly discharging the wastewater into the surrounding environment is avoided, and meanwhile, the self circulation is utilized for cooling the wastewater, so that the energy-saving effect is good.
Drawings
FIG. 1 is a schematic diagram of a boiler blow down pipeline wastewater recovery system of the present invention;
in the figure: 1. fixed discharge continuous pipes, 2, steam-water separator, 3, steam pipe, 4, spray tower, 41, spray device, 5, condensate recovery pipe, 6, pipe network water tank, 7, first condensate water pipe, 8, pipe network water tank pump, 9, second condensate water pipe, 91, condensate water regulating valve, 10, waste heat water pipe, 11, waste heat water tank, 12, first waste heat water pipe, 13, waste heat water tank pump, 14, first three-way valve, 15, second waste heat water pipe, 151, waste heat water recovery valve, 152, waste heat water flow regulating valve, 16, third waste heat water pipe, 161, water return valve, 17, waste heat water exchanger, 18, condensate recovery pipe, 181, condensate recovery valve, 19, cooling water pipe, 20, waste heat water discharge pipe, 21, thermometer, 22, second three-way valve, 23, waste pipes, 231, waste heat valve, 232, waste heat flow regulating valve, 24, sampling valve, 241, sampling valve, 25, stirring device, 251, stirring shaft, 252, stirring blade, 253, rotating motor.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the present invention easy to understand, the present invention is further described with reference to the accompanying drawings and the detailed description.
As shown in fig. 1, the boiler blow-down pipeline wastewater recovery system comprises a fixed-row continuous-discharge pipeline 1 connected with a boiler blow-down outlet, wherein the other end of the fixed-row continuous-discharge pipeline 1 is connected with an inlet of a steam-water separator 2, a steam outlet of the steam-water separator 2 is connected with a spray tower 4 through a steam pipeline 3, the bottom of the spray tower 4 is connected with a pipe network water tank 6 through a condensate recovery pipe 5, the bottom of the pipe network water tank 6 is connected with an inlet of a pipe network water tank pump 8 through a first condensate water pipe 7, an outlet of the pipe network water tank pump 8 is connected with the upper part of the spray tower 4 through a second condensate water pipe 9, a spray device 41 is arranged above the inside of the spray tower 4, and the second condensate water pipe 9 is connected with the spray device 41; the bottom of the steam-water separator 2 is connected with a waste water tank 11 through a waste water pipe 10, the bottom of the waste water tank 11 is connected with an inlet of a waste water tank pump 13 through a first waste water delivery pipe 12, an outlet of the waste water tank pump 13 is connected with a first connecting port of a first three-way valve 14, a second connecting port of the first three-way valve 14 is connected with a second waste water delivery pipe 15, a third connecting port of the first three-way valve 14 is connected with a third waste water delivery pipe 16, the other end of the third waste water delivery pipe 16 is connected with the upper part of the waste water tank 11, the other end of the second waste water delivery pipe 15 is connected with an inlet of a waste water exchanger 17, a condensate water recovery pipe 18 is arranged between the waste water exchanger 17 and a second condensate water delivery pipe 9, the waste water exchanger 17 is provided with a first water outlet and a second water outlet, the first water outlet is connected with the pipe network water tank 6 through a cooling water delivery pipe 19, and the second water outlet is connected with a waste water discharge pipe 20.
The fixed-row and continuous-row pipeline 1, the bottom of the spray tower 4 and the waste heat water discharge pipe 20 are all provided with thermometers 21.
The shower device 41 is a shower head.
A condensate regulating valve 91 is arranged on the second condensate water pipe 9; the third waste heat water conveying pipe 16 is provided with a water return valve 161; the condensate recovery pipe 18 is provided with a condensate recovery valve 181, and the second waste water delivery pipe 15 is provided with a waste water recovery valve 151 and a waste water flow rate regulating valve 152 which are connected in series.
The bottom of the waste heat water tank 11 is provided with a drain outlet, the drain outlet is connected with a first interface of a second three-way valve 22, a second interface of the second three-way valve 22 is connected with a drain pipe 23, a third interface of the second three-way valve 22 is connected with a sampling pipe 24, the sampling pipe 24 is provided with a sampling valve 241, and the drain pipe 23 is provided with a drain valve 231 and a drain flow regulating valve 232 which are connected in series.
The stirring device 25 is arranged in the middle of the bottom of the waste heat water tank 11, the stirring device 25 comprises a stirring shaft 251, a spiral stirring blade 252 is arranged on the stirring shaft 251, the stirring shaft 251 is connected with a rotating motor 253 arranged outside the waste heat water tank 11, water at the upper part and water at the lower part in the waste heat water tank can be interacted through the stirring device, and the temperature difference between the water at the upper part and the water at the lower part in the waste heat water tank is reduced.
According to the boiler blow-down pipeline waste water recovery system, water vapor and water in hot water discharged from a blow-down port are separated through the steam-water separator, the water vapor enters the spray tower, the spray device cools the water to form water and then flows into the pipe network water tank, the water in the pipe network water tank flows into the spray device through the pipe network water tank pump to cool the water vapor in the spray tower, the water in the steam-water separator flows into the waste water tank, the water in the waste water tank flows into the second waste water conveying pipe or the third waste water conveying pipe through the waste water tank pump, the third waste water conveying pipe is connected with the upper part of the waste water tank, the water in the upper part and the lower part of the waste water tank can be circulated, the temperature difference between the water in the upper part and the lower part of the waste water tank is reduced, the second waste water conveying pipe and the waste water exchanger are connected, the water flowing into the waste water tank from the waste water tank is cooled through the pipe network water exchanger, the water is stably reduced, the water in the waste water tank is required to be recycled, the waste of water resource is avoided, the waste water is cooled through the cooling water conveying pipe and the pipe network water tank, the water in the water tank is cooled, the water in the water tank is well cooled, and the water in the water tank is cooled down, and the water in the water tank is discharged through the water tank, and the water in the water tank is better than the water tank.
The boiler blow-down pipeline waste water recovery system can recover the waste water in the boiler blow-down pipeline after cooling, improves the water resource utilization rate, avoids waste caused by directly discharging the waste water into the surrounding environment, and simultaneously cools the waste water by utilizing the circulation of the system, thereby having good energy-saving effect.
The foregoing examples are preferred embodiments of the present invention, but the present invention is not limited to the foregoing examples, and the details of the present invention are not described in detail in the prior art.
Claims (3)
1. The utility model provides a boiler blow off pipeline waste water recovery system, includes the row that decides that is connected with boiler blow off outlet and links the calandria, characterized by: the other end of the fixed-row continuous-row pipeline is connected with an inlet of a steam-water separator, a steam outlet of the steam-water separator is connected with a spray tower through a steam pipeline, the bottom of the spray tower is connected with a pipe network water tank through a condensate water recovery pipe, the bottom of the pipe network water tank is connected with an inlet of a pipe network water tank pump through a first condensate water delivery pipe, an outlet of the pipe network water tank pump is connected with the upper part of the spray tower through a second condensate water delivery pipe, a spray device is arranged above the inside of the spray tower, and the second condensate water delivery pipe is connected with the spray device; the bottom of the steam-water separator is connected with a waste water tank through a waste water pipe, the bottom of the waste water tank is connected with an inlet of a waste water tank pump through a first waste water delivery pipe, an outlet of the waste water tank pump is connected with a first connecting port of a first three-way valve, a second connecting port of the first three-way valve is connected with a second waste water delivery pipe, a third connection of the first three-way valve is connected with a third waste water delivery pipe, the other end of the third waste water delivery pipe is connected with the upper part of the waste water tank, the other end of the second waste water delivery pipe is connected with an inlet of a waste water exchanger, a condensate water recovery pipe is arranged between the waste water exchanger and the second condensate water delivery pipe, the waste water exchanger is provided with a first water outlet and a second water outlet, the first water outlet is connected with the pipe network water tank through a cooling water delivery pipe, and the second water outlet is connected with a waste water discharge pipe;
the spraying device is a spray header;
a condensed water regulating valve is arranged on the second condensed water delivery pipe, and a water return valve is arranged on the third waste heat water delivery pipe; the condensed water recovery pipe is provided with a condensed water recovery valve, and the second waste heat water conveying pipe is provided with a waste heat water recovery valve and a waste heat water flow regulating valve which are connected in series;
the stirring device is arranged in the middle of the bottom of the waste heat water tank and comprises a stirring shaft, a spiral stirring blade is arranged on the stirring shaft, and the stirring shaft is connected with a rotating motor arranged outside the waste heat water tank.
2. A boiler blow down conduit waste water recovery system as claimed in claim 1, wherein: and the fixed-row and continuous-row pipeline, the bottom of the spray tower and the waste heat water discharge pipe are all provided with thermometers.
3. A boiler blow down conduit wastewater recovery system according to any of claims 1-2 and wherein: the waste heat water tank's bottom is equipped with the drain, the first interface connection of drain and second three-way valve, the second interface and the blow off union coupling of second three-way valve, the third interface and the sampling tube of second three-way valve are connected, be equipped with the sampling valve on the sampling tube, be equipped with serial-connection's blowoff valve and blowdown flow control valve on the blow off pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910382181.1A CN110107881B (en) | 2019-05-09 | 2019-05-09 | Boiler blow off pipeline waste water recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910382181.1A CN110107881B (en) | 2019-05-09 | 2019-05-09 | Boiler blow off pipeline waste water recovery system |
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| Publication Number | Publication Date |
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| CN110107881A CN110107881A (en) | 2019-08-09 |
| CN110107881B true CN110107881B (en) | 2023-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910382181.1A Active CN110107881B (en) | 2019-05-09 | 2019-05-09 | Boiler blow off pipeline waste water recovery system |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103185335A (en) * | 2013-03-20 | 2013-07-03 | 潍坊福来锅炉节能设备科技有限公司 | Energy-saving device of boiler |
| CN103292378A (en) * | 2013-05-27 | 2013-09-11 | 盛嘉军 | Recovery method and device for boiler waste water and waste heat of heat supply network |
| CN203215653U (en) * | 2013-04-10 | 2013-09-25 | 山西太钢不锈钢股份有限公司 | Vapor-recovery unit |
| CN106338057A (en) * | 2016-08-26 | 2017-01-18 | 盛嘉军 | Sewage discharging and heat recycling device of steam boiler |
| CN108916856A (en) * | 2018-09-18 | 2018-11-30 | 浙江天马热电有限公司 | The device and method that boiler arranges steam exhaust recycling surely |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101672552B (en) * | 2009-10-12 | 2011-11-16 | 刘秋克 | Tower heating pump complete device with solar energy secondary heat source |
-
2019
- 2019-05-09 CN CN201910382181.1A patent/CN110107881B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103185335A (en) * | 2013-03-20 | 2013-07-03 | 潍坊福来锅炉节能设备科技有限公司 | Energy-saving device of boiler |
| CN203215653U (en) * | 2013-04-10 | 2013-09-25 | 山西太钢不锈钢股份有限公司 | Vapor-recovery unit |
| CN103292378A (en) * | 2013-05-27 | 2013-09-11 | 盛嘉军 | Recovery method and device for boiler waste water and waste heat of heat supply network |
| CN106338057A (en) * | 2016-08-26 | 2017-01-18 | 盛嘉军 | Sewage discharging and heat recycling device of steam boiler |
| CN108916856A (en) * | 2018-09-18 | 2018-11-30 | 浙江天马热电有限公司 | The device and method that boiler arranges steam exhaust recycling surely |
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| CN110107881A (en) | 2019-08-09 |
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