CN107223194B - Blowdown deoxidization water supply system - Google Patents
Blowdown deoxidization water supply system Download PDFInfo
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- CN107223194B CN107223194B CN201680000735.1A CN201680000735A CN107223194B CN 107223194 B CN107223194 B CN 107223194B CN 201680000735 A CN201680000735 A CN 201680000735A CN 107223194 B CN107223194 B CN 107223194B
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- sewage
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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
- F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
- F22D1/50—Feed-water heaters, i.e. economisers or like preheaters incorporating thermal de-aeration of feed-water
Abstract
The utility model provides a steam boiler blowdown deoxidization water supply system, including blowdown heating power deoxidization water tank (101), blowdown heating power softened water tank (102) and sewage connecting tube (103), arrange first heat exchanger (126,226) in blowdown heating power softened water tank (102), arrange second heat exchanger (127,227) in blowdown heating power deoxidization water tank (101), communicate through sewage connecting tube (103) between first heat exchanger (126,226) and second heat exchanger (127,227), delivery port (110) of blowdown heating power tank (102) and water inlet (117) of blowdown heating power deoxidization water tank (101) communicate through water pipe (109). The system can utilize the heat in the sewage after expansion and flash evaporation of the sewage.
Description
Cross reference to patents
This application claims the priority of the chinese utility patent application, application No. CN201520047223.3, filed on 23/1/2015.
Technical Field
The invention relates to the technical field of energy conservation and environmental protection, in particular to a blowdown, deoxidization and water supply system of a steam boiler.
Background
In general, the world energy has the structural characteristics of mainly fossil energy, so that the exhaustion of the fossil energy and the pollution of the fossil energy utilization to the environment are troubled for human beings. With the rapid development of economy in China, the energy resource consumption of the earth, acid rain pollution, water resource crisis, sharp reduction of natural biological diversity and persistent organic matter pollution are more and more prominent, so that the energy and environment problems in China become more and more serious and the situations of energy conservation and emission reduction are tense.
When the steam boiler is used for a long time, the impurity content of hot water used in the steam boiler is high, and high-temperature sewage with high impurity content needs to be discharged and changed into new water for continuous use. When the traditional steam boiler blow-down system works, blow-down water of a boiler firstly passes through the blow-down expander to be blown down, decompressed, gasified and cooled, and the sewage primarily cooled by the blow-down expander enters the blow-down cooling pool to be mixed with tap water to be cooled down for the second time, so that the sewage discharge temperature specified by the state can be reached.
The traditional steam boiler system has many equipment components and complex system pipelines, the heat energy of the sewage after flash evaporation through the blowdown expander cannot be effectively utilized, a large amount of tap water is required for blending and cooling, a large amount of high-grade heat sources in the sewage are wasted, a large amount of water resources are wasted, and certain economic cost is paid out.
Therefore, a steam boiler blowdown and deoxygenation water supply system capable of effectively utilizing a large amount of high-grade heat sources in sewage and saving water resources is needed.
Disclosure of Invention
In one aspect, the invention provides a blowdown and deoxygenation water supply system for a steam boiler, which comprises a blowdown thermal deoxygenation water tank, a blowdown thermal soft water tank and a sewage connecting pipeline, wherein a first heat exchanger is arranged in the blowdown thermal soft water tank, a second heat exchanger is arranged in the blowdown thermal deoxygenation water tank, and the first heat exchanger is communicated with the second heat exchanger through the sewage connecting pipeline.
Preferably, blowdown deoxidization water supply system, first heat exchanger constitute by even case and first heat exchanger tube bank, the second heat exchanger comprises even case and second heat exchanger tube bank, first heat exchanger, second heat exchanger and sewage connecting tube arrange at same horizontal plane, set up the steam trap on the sewage intercommunication pipeline, first heat exchanger tube bank diameter be 8-100mm, second heat exchanger tube bank diameter be 8-100 mm.
Preferably, blowdown deoxidization water supply system, blowdown heating power softened water tank sets up blowdown heating power softened water tank soft water inlet and the soft water delivery port of blowdown heating power softened water tank, heating power blowdown deoxidization water tank sets up blowdown heating power deoxidization water tank soft water inlet and blowdown heating power deoxidization water tank soft water delivery port, blowdown heating power softened water tank soft water delivery port and blowdown heating power deoxidization water tank soft water inlet pass through the hose intercommunication.
Preferably, blowdown deoxidization water supply system, blowdown heating power deoxidization water tank in arrange steam heating distributor, steam heating distributor outer end steam pipe in succession, blowdown heating power deoxidization water tank sets up one sewage water inlet and two sewage delivery ports, sewage water inlet, sewage delivery port are linked together with the heat exchanger.
Preferably, the blowdown deoxidization water supply system, blowdown heating power deoxidization water tank upper portion set up the relief valve, the relief valve sets up threely, two in the relief valve are connected with blowdown deoxidization water tank box, another in the relief valve with even case is connected.
Preferably, the blowdown deoxidization water supply system, blowdown heating power deoxidization water tank upper portion set up gap and manhole, the lower part sets up the outlet, second heat exchanger lower part sets up foraminiferous baffle.
Preferably, blowdown deoxidization water supply system, blowdown heating power softened water tank in vertically arrange two double-deck baffles, the double-deck baffle falls into first space, second space and third space with the softened water tank, set up first intercommunication pipeline in the first space, set up second intercommunication pipeline in the second space, first intercommunication pipeline and second intercommunication pipeline communicate three space, set up the support column between the double-deck baffle, blowdown heating power softened water tank upper portion sets up the relief valve, blowdown softened water tank upper portion sets up two relief valves and connects respectively blowdown softened water tank box with even case.
Preferably, blowdown deoxidization water supply system, blowdown heating power softened water tank upper portion set up gap and manhole, the lower part sets up the outlet, first heat exchanger lower part sets up foraminiferous baffle, blowdown heating power softened water tank set up two sewage water inlets and two sewage delivery ports, sewage water inlet, sewage delivery port are linked together with the heat exchanger.
Preferably, blowdown deoxidization water supply system, blowdown heating power softened water tank soft water inlet set up in the foraminiferous baffle lower part of blowdown heating power softened water tank, blowdown heating power deoxidization water tank soft water inlet sets up in blowdown heating power deoxidization water tank foraminiferous baffle lower part.
In another aspect, the present invention provides a method of using a blowdown deoxygenated feedwater system, the method comprising:
sewage enters the second heat exchange tube bundle from the water inlet of the sewage discharge thermal deoxygenation water tank, exchanges heat with soft water in the sewage discharge thermal deoxygenation water tank, enters the sewage connecting pipeline through the sewage outlet of the sewage discharge thermal deoxygenation water tank, exchanges heat with the soft water in the sewage discharge deoxygenation soft water tank again after entering the first heat exchange tube through the sewage inlet of the sewage discharge thermal soft water tank, and is discharged through the sewage outlet of the sewage discharge thermal soft water tank;
soft water gets into blowdown thermal power softened water tank by blowdown thermal power softened water tank soft water inlet, carries out the heat transfer with the sewage of first heat exchanger tube bank, and soft water temperature risees, and the water level rises to blowdown thermal power softened water tank soft water delivery port entering the soft water pipe, soft water are by the soft water pipe flow extremely blowdown thermal power deoxidization water tank is got into to blowdown deoxidization water tank, carries out heat transfer once more with second heat exchanger tube bank, and soft water temperature risees, by steam heating distributor heating gets into steam boiler through blowdown thermal power deoxidization water tank soft water delivery port.
The sewage-discharging deoxidization water supply system provided by the invention has the advantages of few equipment components and simple system pipeline, can fully utilize a high-grade heat source in sewage subjected to sewage-discharging expansion flash evaporation in a traditional system, does not need tap water blending for cooling, effectively utilizes the high-grade heat source of sewage, saves a large amount of water resources, and saves certain economic cost.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
Drawings
Further objects, features and advantages of the present invention will become apparent from the following description of embodiments of the invention, with reference to the accompanying drawings, in which:
FIG. 1 is a schematic diagram of a sewage deoxygenation water supply system according to the present invention;
FIG. 2 shows a schematic view of a perforated separator plate;
FIG. 3 is a schematic diagram of another configuration of the blowdown deoxygenated water supply system provided by the present invention;
FIG. 4 illustrates a first heat exchange tube bundle arrangement;
fig. 5 shows a second heat exchange tube bundle arrangement.
Detailed Description
The objects and functions of the present invention and methods for accomplishing the same will be apparent by reference to the exemplary embodiments. However, the present invention is not limited to the exemplary embodiments disclosed below; it can be implemented in different forms. The nature of the description is merely to assist those skilled in the relevant art in a comprehensive understanding of the specific details of the invention.
Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. In the drawings, the same reference numerals denote the same or similar parts, or the same or similar steps.
The first embodiment is as follows:
as shown in fig. 1, the blowdown and deoxygenation water supply system of the steam boiler in the present embodiment includes a blowdown thermal deoxygenation water tank 101, a blowdown thermal water softening tank 102 and a sewage connection pipe 103. A second heat exchanger 127 is arranged in the blowdown thermal deoxygenation water tank 101, the second heat exchanger 127 is composed of a connecting box 122 and a second heat exchange tube bundle 107, and the second heat exchange tube bundle 107 in the blowdown thermal deoxygenation water tank 101 is separated by a perforated partition plate 118 arranged at the lower part. Perforated separator plates are shown in figure 2. The middle part of the blowdown thermal deaerator 101 is provided with a steam heating distributor 124, and the outlet end of the heating distributor is connected with a steam pipe 123. Three safety valves 119 are arranged at the upper part of the sewage thermal deoxygenation water tank 101, wherein one safety valve is communicated with the second heat exchanger connecting tank 122, so that gas in the connecting tank can be discharged from the safety valves. The sewage draining thermal deoxygenation water tank is provided with a sewage inlet 121, a sewage outlet 105, an overflow opening 108 and a drainage opening 120. A first heat exchanger 126 is arranged in the sewage draining thermal soft water tank 102, the first heat exchanger 126 consists of a connecting box and a first heat exchange tube bundle 112, and the first heat exchange tube bundle 112 in the sewage draining thermal soft water tank 102 is separated by a partition plate 115 with holes arranged at the lower part. Two double-deck baffles 134 of vertical arrangement in the blowdown heating power softened water tank, double-deck baffle divide into first space, second space and third space with blowdown heating power softened water tank, set up first intercommunication pipeline in the first space, set up the second intercommunication pipeline in the second space, first intercommunication pipeline and second intercommunication pipeline communicate three space, set up the support column between the double-deck baffle, prevent the damage of water tank normal pressure to double-deck baffle. Two safety valves are arranged at the upper part of the sewage draining thermal soft water tank, and one safety valve is communicated with the first heat exchanger connecting tank. The sewage draining thermal soft water tank is provided with a sewage inlet 106, a sewage outlet 113, an overflow opening 111 and a drainage opening 116. The header 122 is used for collecting the sewage and distributing the sewage to the heat exchange tube bundles. The upper part of the blowdown thermal deoxygenation water tank is provided with a manhole 131 for maintenance and repair of the water tank, and the upper part of the blowdown thermal water tank is provided with a manhole for maintenance and repair of the water tank.
Blowdown thermal soft water tank 102 sets up soft water inlet 114 and soft water delivery port 110, and thermal blowdown deoxidization water tank 101 sets up soft water inlet 117 and soft water delivery port 125, blowdown thermal soft water tank soft water delivery port 110 and blowdown thermal deoxidization water tank soft water inlet 117 communicate through hose 109, communicate through sewage connecting tube 103 between first heat exchanger 126 and the second heat exchanger 127. The first heat exchange tube bundle and the second heat exchange tube bundle are respectively arranged between the connecting boxes, the first heat exchange tube bundle, the second heat exchange tube bundle and the sewage connecting pipeline are horizontally arranged, and a steam trap 104 is arranged on the sewage communicating pipeline 103.
The method for using the sewage deoxygenation water supply system provided by the invention is specifically described below with reference to the accompanying drawings, the sewage generated in the steam boiler is at the saturation temperature under the steam pressure, the sewage enters the blowdown thermal deoxygenation water tank from the sewage inlet 121 of the blowdown thermal deoxygenation water tank, passes through the connecting box 122, enters the second heat exchange tube bundle 107 to exchange heat with the soft water in the blowdown thermal deoxygenation water tank, and the temperature of the sewage at the saturation temperature under the steam pressure is reduced to 100 ℃ after the heat exchange of the second heat exchange tube bundle. Sewage enters a sewage connecting pipeline 103 from a sewage outlet 105 of a sewage discharging thermal deoxygenation water tank, is drained through a steam trap 104, enters a sewage discharging thermal water softening tank from a sewage inlet 106 of the sewage discharging thermal water softening tank, is subjected to box connection and then enters a first heat exchange tube bundle 112 to exchange heat with soft water in the sewage discharging thermal water softening tank, and after the heat exchange of the first heat exchange tube bundle 112, the temperature of high-temperature sewage at 100 ℃ is reduced to 40 ℃, the high-temperature sewage reaches the discharge standard and is discharged from a sewage outlet 113 of the sewage discharging thermal water softening tank.
The temperature that is provided by water softening equipment is 20 ℃ soft water and enters into blowdown thermal power softened water tank bottom by blowdown thermal power softened water tank soft water inlet 114, soft water crosses foraminiferous baffle 115 water level and rises to first communicating pipe 132 entry in the first space of softened water tank, soft water gets into the second space water level after through first communicating pipe 132 and rises to second communicating pipe 133 entry, soft water gets into the third space after passing through second communicating pipe 133, the water level rises to blowdown thermal power softened water tank soft water outlet 110, the temperature rises to 60 ℃ after the heat transfer is carried out to soft water in blowdown thermal power softened water tank and the sewage in first heat exchanger tube bank 112. Soft water flows in the three spaces of the sewage soft water tank, so that the heat exchange efficiency is improved. The heated soft water enters the soft water pipeline 109 from the soft water outlet 110 of the sewage thermal power soft water tank, passes through the soft water pipeline, enters the bottom of the sewage thermal power deoxygenation water tank through the soft water inlet 117 of the sewage thermal power deoxygenation water tank, the soft water overflows the perforated partition plate 118, the water level rises to the soft water outlet 125 of the sewage thermal power deoxygenation water tank, the temperature of the soft water in the sewage thermal power deoxygenation water tank is increased again after the heat exchange with the sewage in the second heat exchange tube bundle 107, high-temperature steam with the pressure of 0.07MPa is provided in the heating distributor 124 through the steam tube 123, the temperature of the soft water is increased again through the heating distributor 124 to reach the boiler water supply temperature of more than 100 ℃, and the second soft water.
The pressure in the sewage thermal deoxidizing water tank is 0.018MPa, when the temperature in the sewage thermal deoxidizing water tank is too high and the pressure is increased, part of soft water overflows from the overflow port 108, and steam and oxygen are discharged by the safety valve 119. When the temperature of part of the soft water in the sewage draining thermal soft water tank rises, the soft water overflows from the overflow port 111, and the gas in the sewage draining thermal soft water tank is discharged through the safety valve. In the sewage discharging and deoxidizing water supply system provided by the invention, the first heat exchange tube bundle 112, the second heat exchange tube bundle 107 and the sewage connecting pipeline 103 are arranged on the same horizontal plane, so that the circulation of sewage is promoted, and the heat exchange efficiency is increased. The impurities generated by the long-time supply of the soft water in the sewage thermal deoxygenation water tank are discharged from the water outlet 120, and the impurities generated by the long-time supply of the soft water in the sewage thermal deoxygenation water tank are discharged from the water outlet 116.
Example two:
as shown in fig. 3, this embodiment compares with the first embodiment, blowdown heating power deoxidization water tank sewage delivery port sets up to two, and blowdown heating power softened water tank sewage water inlet sets up to two, and blowdown heating power softened water tank sewage delivery port sets up to two, can effectively promote the circulation of sewage, prevents that sewage impurity from blockking up the heat exchange tube bank, realizes that the heat transfer is abundant. The specific implementation process is as follows. The embodiment of the invention relates to a blowdown deoxidization water supply system of a steam boiler, which comprises a blowdown thermal deoxidization water tank, a blowdown thermal soft water tank and a sewage connecting pipeline. A second heat exchanger 227 is arranged in the blowdown thermal deoxygenation water tank, the second heat exchanger 227 consists of a connecting box 222 and a second heat exchange tube bundle 207, and the second heat exchange tube bundle 207 in the blowdown thermal deoxygenation water tank is separated by a perforated partition plate 218 arranged at the lower part. The middle part of the sewage draining thermal deoxidization water tank is provided with a heating distributor, and the outlet end of the heating distributor is connected with a steam pipe. The upper part of the sewage thermal deoxidizing water tank is provided with a safety valve, and the sewage thermal deoxidizing water tank is provided with a sewage water inlet 221, an upper sewage water outlet 205, a lower sewage water outlet 230, an overflow opening and a water discharge opening 220. A first heat exchanger 226 is arranged in the blowdown heat soft water tank, the first heat exchanger 226 is composed of a connecting tank and a first heat exchange tube bundle 212, and the first heat exchange tube bundle 212 in the blowdown heat soft water tank is separated by a partition plate 215 with holes arranged at the lower part. The sewage draining thermal soft water tank is provided with an upper sewage inlet 206, a lower sewage inlet 229, an upper sewage outlet 213, a lower sewage outlet 228, an overflow opening and a drain opening 216. The header 222 is used for collecting the sewage and distributing the sewage to the heat exchange tube bundles. The upper parts of the sewage discharge manpower deoxidizing water tank and the sewage discharge thermal soft water tank are provided with manholes for maintaining and repairing the water tank.
Blowdown heat softened water tank sets up blowdown heat softened water tank soft water inlet 214 and blowdown heat softened water tank soft water delivery port, and heating power blowdown deoxidization water tank sets up blowdown heat deoxidization water tank soft water inlet 217 and blowdown heat deoxidization water tank soft water delivery port, blowdown heat softened water tank soft water delivery port and blowdown heat deoxidization water tank soft water inlet pass through the hose intercommunication, communicate through sewage connecting tube 203 between first heat exchanger tube bundle 212 and the second heat exchanger tube bundle 207. The first heat exchange tube bundle and the second heat exchange tube bundle are respectively arranged between the connecting boxes, the first heat exchange tube bundle, the second heat exchange tube bundle and the sewage connecting pipeline are horizontally arranged, and the sewage communicating pipeline is provided with a steam trap. A first bundle arrangement is shown in fig. 4 and a second bundle arrangement is shown in fig. 5.
The method for using the sewage deoxygenation water supply system provided by the invention is specifically described below with reference to the attached drawings, the sewage generated in the steam boiler is at the saturation temperature under the steam pressure, the sewage enters the blowdown thermal deoxygenation water tank from the sewage inlet 221 of the blowdown thermal deoxygenation water tank, the sewage is connected with the blowdown thermal deoxygenation water tank and then enters the second heat exchange tube bundle 207 to exchange heat with the soft water in the blowdown thermal deoxygenation water tank, and the temperature of the sewage at the saturation temperature under the steam pressure is reduced to 100 ℃ after the sewage is subjected to heat exchange by the second heat exchange tube bundle 207. Sewage flows out from the upper sewage outlet 205 and the lower sewage outlet 230 of the sewage thermal deoxygenation water tank and is converged to the sewage connecting pipeline 203, the sewage flows through the steam trap, enters the sewage thermal water tank from the upper sewage inlet 206 and the lower sewage inlet 229 of the sewage thermal water tank, enters the first heat exchange tube bundle 212 after being connected with the sewage thermal water tank to exchange heat with soft water in the sewage thermal water tank, the temperature of high-temperature sewage at 100 ℃ is reduced to 40 ℃ after the heat exchange of the first heat exchange tube bundle 212, the discharge standard is reached, and the sewage is discharged from the upper sewage outlet 213 and the lower sewage outlet 228 of the sewage thermal water tank.
Soft water with the temperature of 20 ℃ provided by water softening equipment enters the bottom of the sewage discharge thermal soft water tank from the soft water inlet 214 of the sewage discharge thermal soft water tank, the soft water overflows through the partition plate 215 with holes and rises to the soft water outlet of the sewage discharge thermal soft water tank, and the temperature of the soft water in the sewage discharge thermal soft water tank and the sewage in the first heat exchange tube bundle 212 are raised to 60 ℃ after heat exchange. The heated soft water enters the soft water pipeline from the first soft water outlet, passes through the soft water pipeline, enters the bottom of the sewage thermal deoxidizing water tank through the sewage thermal deoxidizing water tank soft water inlet 217, the soft water rises to the sewage thermal deoxidizing water tank soft water outlet after passing through the perforated partition plate 218, the temperature of the soft water in the sewage thermal deoxidizing water tank is raised again after heat exchange with sewage in the second heat exchange tube bundle 207, high-level steam with the pressure of 0.07MPa is provided in the heating distributor through the steam pipe, the soft water is heated again by the heating distributor and reaches the boiler water supply temperature of over 100 ℃, and the steam boiler is supplied with water through the sewage thermal deoxidizing water tank soft water outlet.
The pressure in the sewage thermal deoxidizing water tank is 0.018MPa, when the temperature in the sewage thermal deoxidizing water tank is too high and the pressure is increased, part of soft water overflows from the overflow opening, and steam and oxygen are discharged from the safety valve. And part of soft water in the sewage discharge thermal soft water tank overflows from the overflow port when the temperature rises, and gas in the sewage discharge thermal soft water tank is discharged through the safety valve. In the sewage-discharging, oxygen-removing and water-feeding system provided by the invention, the first heat exchange tube bundle 212, the second heat exchange tube bundle 207 and the sewage connecting pipeline 203 are arranged on the same horizontal plane, so that the circulation of sewage is promoted, and the heat exchange efficiency is increased. The impurities generated by the soft water in the sewage thermal deoxygenation water tank after long-time supply are discharged from the water outlet 220, and the impurities generated by the soft water in the sewage thermal deoxygenation water tank after long-time supply are discharged from the water outlet 216.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
Claims (8)
1. A blowdown deoxygenization water supply system for steam boiler, including blowdown thermal deoxygenization water tank, blowdown thermal softened water tank and sewage connecting line, characterized by that, arrange the first heat exchanger in the said blowdown thermal softened water tank, arrange the second heat exchanger in the said blowdown thermal deoxygenization water tank, connect through the sewage connecting line between said second heat exchanger and the said first heat exchanger;
two double-layer partition plates are vertically arranged in the sewage thermal soft water tank, the soft water tank is divided into a first space, a second space and a third space by the double-layer partition plates, a first communicating pipeline is arranged in the first space, a second communicating pipeline is arranged in the second space, the three spaces are communicated by the first communicating pipeline and the second communicating pipeline, a supporting column is arranged between the double-layer partition plates, a safety valve is arranged at the upper part of the sewage thermal soft water tank, and two safety valves are arranged at the upper part of the sewage thermal soft water tank and are respectively connected with a sewage thermal soft water tank body and a first heat exchanger connecting tank;
the upper part of the sewage draining thermal deoxidizing water tank is provided with three safety valves, two of the safety valves are connected with the box body of the sewage draining thermal deoxidizing water tank, and the other safety valve is connected with the second heat exchanger connecting box.
2. The sewage draining, oxygen removing and water supplying system according to claim 1, wherein the first heat exchanger is composed of a connecting box and a first heat exchange tube bundle, the second heat exchanger is composed of a connecting box and a second heat exchange tube bundle, the first heat exchanger, the second heat exchanger and the sewage connecting pipeline are arranged on the same horizontal plane, the sewage communicating pipeline is provided with a steam trap, the diameter of the first heat exchange tube bundle is 8-100mm, and the diameter of the second heat exchange tube bundle is 8-100 mm.
3. The blowdown deoxidization water supply system of claim 1, wherein blowdown thermal water softening tank sets up soft water inlet and soft water delivery port, blowdown thermal water softening tank soft water delivery port and blowdown thermal water softening tank soft water inlet communicate through the hose.
4. The blowdown deoxidization water supply system of claim 1, wherein, arrange steam heating distributor in the blowdown thermal deoxidization water tank, steam pipe is connected in succession to steam heating distributor outer end, the blowdown thermal deoxidization water tank sets up one sewage water inlet and two sewage delivery ports, sewage water inlet, sewage delivery port and heat exchanger are linked together.
5. The blowdown deoxidization water supply system of claim 1, wherein the blowdown thermal deoxidization water tank upper portion set up gap and manhole, the lower part sets up the outlet, the second heat exchanger lower part sets up foraminiferous baffle.
6. The sewage-discharging, oxygen-removing and water-supplying system according to claim 1, wherein an overflow opening and a manhole are arranged at the upper part of the sewage-discharging thermal water softening tank, a drain opening is arranged at the lower part of the sewage-discharging thermal water softening tank, a partition plate with holes is arranged at the lower part of the first heat exchanger, two sewage inlets and two sewage outlets are arranged in the sewage-discharging thermal water softening tank, and the sewage inlets and the sewage outlets are communicated with the heat exchanger.
7. The blowdown deoxidization water supply system of claim 1, wherein the blowdown thermal softened water tank soft water inlet set up in the perforated baffle lower part of blowdown thermal softened water tank, the blowdown thermal deoxidization water tank soft water inlet set up in the perforated baffle lower part of blowdown thermal deoxidization water tank.
8. A method of using the blowdown deoxygenated water supply system of any one of claims 1 to 7, the method comprising:
sewage enters the second heat exchange tube bundle from the water inlet of the sewage discharge thermal deoxygenation water tank, exchanges heat with soft water in the sewage discharge thermal deoxygenation water tank, enters the sewage connecting pipeline through the sewage outlet of the sewage discharge thermal deoxygenation water tank, exchanges heat with soft water in the sewage discharge thermal soft water tank again after entering the first heat exchange tube through the sewage inlet of the sewage discharge thermal soft water tank, and is discharged through the sewage outlet of the sewage discharge thermal soft water tank;
soft water gets into blowdown thermal power softened water tank by blowdown thermal power softened water tank soft water inlet, carries out the heat transfer with the sewage of first heat exchanger tube bank, and soft water flows in three space, and soft water temperature risees, and the water level rises to blowdown thermal power softened water tank soft water delivery port and gets into the hose, soft water are by the soft water pipe flow extremely blowdown thermal power deoxidization water tank soft water inlet gets into blowdown thermal power deoxidization water tank, carries out the heat transfer once more with second heat exchanger tube bank, and soft water temperature risees, by steam heating distributor heating gets into steam boiler through blowdown deoxidization thermal power water tank soft water delivery port.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520047223.3U CN204460174U (en) | 2015-01-23 | 2015-01-23 | Steam boiler blowdown deaerating type of cycles |
| PCT/CN2016/071570 WO2016116056A1 (en) | 2015-01-23 | 2016-01-21 | Sewage draining, deaerating, and water feeding system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107223194A CN107223194A (en) | 2017-09-29 |
| CN107223194B true CN107223194B (en) | 2019-12-31 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520047223.3U Expired - Fee Related CN204460174U (en) | 2015-01-23 | 2015-01-23 | Steam boiler blowdown deaerating type of cycles |
| CN201680000735.1A Active CN107223194B (en) | 2015-01-23 | 2016-01-21 | Blowdown deoxidization water supply system |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520047223.3U Expired - Fee Related CN204460174U (en) | 2015-01-23 | 2015-01-23 | Steam boiler blowdown deaerating type of cycles |
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| Country | Link |
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| CN (2) | CN204460174U (en) |
| WO (1) | WO2016116056A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204460174U (en) * | 2015-01-23 | 2015-07-08 | 关文吉 | Steam boiler blowdown deaerating type of cycles |
| CN215909025U (en) * | 2021-11-04 | 2022-02-25 | 青岛新奥能源有限公司 | Industrial steam condensate water recycle system |
| CN114349086A (en) * | 2021-12-14 | 2022-04-15 | 张家港中远海运金港化工物流有限公司 | Be used for abluent effluent disposal system of tank |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10141606A (en) * | 1996-11-11 | 1998-05-29 | Mitsubishi Heavy Ind Ltd | Boiler plant |
| US8166925B2 (en) * | 2007-10-26 | 2012-05-01 | Fccl Partnership | Method and apparatus for steam generation |
| CN101446410A (en) * | 2007-11-27 | 2009-06-03 | 贵阳铝镁设计研究院 | Method for recycling the afterheat of continuous blowdown extension tank and device thereof |
| CN201866753U (en) * | 2010-11-17 | 2011-06-15 | 山西合成橡胶集团有限责任公司 | Device using heat of boiler sewage to warm up softened water |
| CN202955680U (en) * | 2012-11-28 | 2013-05-29 | 中冶东方工程技术有限公司 | Heat utilization device of boiler blow-down water |
| CN203703936U (en) * | 2013-12-11 | 2014-07-09 | 北京志能祥赢节能环保科技有限公司 | Waste heat utilizing device for blowdown flash tank |
| CN204460174U (en) * | 2015-01-23 | 2015-07-08 | 关文吉 | Steam boiler blowdown deaerating type of cycles |
| CN104832903B (en) * | 2015-04-29 | 2017-06-06 | 吴恩珍 | A kind of compact low capacity is exerted oneself greatly biomass granule boiler |
| CN204880075U (en) * | 2015-08-19 | 2015-12-16 | 河南第一火电建设公司 | High -efficient cleaning system of boiler and water supply system passive film |
-
2015
- 2015-01-23 CN CN201520047223.3U patent/CN204460174U/en not_active Expired - Fee Related
-
2016
- 2016-01-21 CN CN201680000735.1A patent/CN107223194B/en active Active
- 2016-01-21 WO PCT/CN2016/071570 patent/WO2016116056A1/en active Application Filing
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| CN204460174U (en) | 2015-07-08 |
| CN107223194A (en) | 2017-09-29 |
| WO2016116056A1 (en) | 2016-07-28 |
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