CN207555581U - Thermal de-aeration low temperature boiler water-feeding device - Google Patents
Thermal de-aeration low temperature boiler water-feeding device Download PDFInfo
- Publication number
- CN207555581U CN207555581U CN201820170654.2U CN201820170654U CN207555581U CN 207555581 U CN207555581 U CN 207555581U CN 201820170654 U CN201820170654 U CN 201820170654U CN 207555581 U CN207555581 U CN 207555581U
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- plate heat
- thermal
- cold
- water
- Prior art date
- 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.)
- Active
Links
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a kind of thermal de-aeration low temperature boiler water-feeding device, which includes thermal deaerator and plate heat exchanger；Wherein, the cold side outlet of the plate heat exchanger is connected with the entrance of thermal deaerator, provides pending water source for thermal deaerator, the hot-side inlet of the plate heat exchanger is connected with the outlet of thermal deaerator；The cold-side inlet of the plate heat exchanger is connected with softening water pump, the hot junction outlet of the plate heat exchanger is connected with boiler feed pump, it is heated in plate heat exchanger to the softened water of thermal deaerator to be entered so that being warming up to 104 degree of anaerobic water via thermal deaerator, this process can reduce the temperature of the anaerobic water of supply boiler, the initial temperature for entering softened water in thermal deaerator can be improved again, it is energy saving from multiple angles, promote the thermal efficiency.
Description
Technical field
The utility model is related to Industrial Boiler Technology fields, and in particular to a kind of to be used to provide low temperature oxygen-free water to boiler
A kind of device, and in particular to thermal de-aeration low temperature boiler water-feeding device.
Background technology
When containing oxygen in boiler feedwater（Dissolved oxygen）When, according to electrochemical corrosion principle, oxygen is that strong cathode goes to pole
Agent can absorb cathode electronics and form hydroxyl, thus aggravate corrosion, therefore standard GB/T1576-2008《Industrial Boiler water
Matter》Or GB/T12145-2008《Thermal power generation unit and apparatus of steam power plants Water Vapor Quality》To steam boiler to oxygen content in water
Propose requirement.Oxygen corrosion occurs mainly in boiler feedwater pipeline and economizer because dissolved oxygen first with these components
Contact.Water temperature is 104 DEG C after common thermodynamic deoxidizing method deoxygenation.
In order to further reduce smoke temperature, can after economizer arrangement air preheater, and in waste heat boiler then without
Method arranges air preheater.General smoke temperature has 30 DEG C of heat transfer temperature difference with water temperature, and therefore, above-mentioned thermodynamic deoxidizing method limits pot
The further reduction of stove exhaust gas temperature, boiler efficiency can be improved, therefore also limit the raising of boiler efficiency by reducing smoke temperature.
For these reasons, the present inventor furthers investigate existing deoxidation method and equipment, to it is to be designed go out
A kind of thermal de-aeration low temperature boiler water-feeding device that can be solved the above problems.
Utility model content
In order to overcome the above problem, present inventor has performed sharp study, design a kind of thermal de-aeration low temperature boiler to
Water installations, the device include thermal deaerator and plate heat exchanger；Wherein, the cold side outlet of the plate heat exchanger and heating power remove
The entrance of oxygen device is connected, and pending water source, the hot-side inlet and thermal de-aeration of the plate heat exchanger are provided for thermal deaerator
The outlet of device is connected；The cold-side inlet of the plate heat exchanger is connected with softening water pump, the hot junction outlet of the plate heat exchanger
It is connected with boiler feed pump, so that being warming up to 104 degree of anaerobic water in plate heat exchanger to treating via thermal deaerator
Softened water into thermal deaerator heats, this process can reduce the temperature of the anaerobic water of supply boiler, and can improve
The initial temperature of softened water in thermal deaerator is entered, it is energy saving from multiple angles, the thermal efficiency is promoted, so as to complete this reality
With novel.
Specifically, the purpose of this utility model is to provide with a kind of thermal de-aeration low temperature boiler water-feeding device, the dress
It puts including thermal deaerator 1 and plate heat exchanger 2；
The plate heat exchanger 2 includes cold-side inlet 21, cold side outlet 22, hot-side inlet 23 and hot junction outlet 24；
Wherein, the cold side outlet 22 of the plate heat exchanger 2 is connected with the entrance of thermal deaerator 1,
The outlet of the hot-side inlet 23 and thermal deaerator 1 of the plate heat exchanger 2 is connected；
The cold-side inlet 21 of the plate heat exchanger 2 is connected with softening water pump,
The hot junction outlet 24 of the plate heat exchanger 2 is connected with boiler feed pump.
Wherein, the thermal deaerator 1 is used to the softened water entered from entrance being heated to 104 degrees Celsius, and from outlet
Discharge.
Wherein, be provided with partition board in the plate heat exchanger 2, the partition board by plate heat exchanger 2 be divided into cold end and
Hot junction.
Wherein, the device further include can short-circuit 2 cold end of plate heat exchanger cold end short circuit valve 3 and can short circuit be board-like changes
The hot junction short circuit valve 4 in hot 2 hot junction of device.
According to this thermal de-aeration low temperature boiler water-feeding device provided by the utility model so that heat up via thermal deaerator
It is heated in plate heat exchanger to the softened water of thermal deaerator to be entered to 104 degree of anaerobic waters, this process can reduce
The temperature of the anaerobic water of boiler is supplied, and the initial temperature for entering softened water in thermal deaerator can be improved, from multiple angles
Spend energy saving, the promotion thermal efficiency.
Description of the drawings
Fig. 1 shows integrally to be tied according to a kind of thermal de-aeration low temperature boiler water-feeding device of preferred embodiment of the utility model
Structure schematic diagram；
Fig. 2 shows the board-like of the thermal de-aeration low temperature boiler water-feeding device according to a kind of preferred embodiment of the utility model
Heat exchanger structure schematic diagram.
Fig. 3 shows the working state structure of the hot junction shunt regulator device according to a kind of preferred embodiment of the utility model
Schematic diagram.
Fig. 4 shows the working state structure of the hot junction shunt regulator device according to a kind of preferred embodiment of the utility model
Schematic diagram.
Drawing reference numeral explanation：
1- thermal deaerators
2- plate heat exchangers
21- cold-side inlets
22- cold side outlets
23- hot-side inlets
24- hot junctions export
3- cold end short circuit valves
4- hot junctions short circuit valve
5- seal cases
6- hot junctions distributary division
7- cold end distributary divisions
8- partition boards
81- wave-shape boards
9- cold end runners
10- hot junctions runner
11- hot junctions shunt regulator device
111- feed liquor chambers
112- pressure chamber
113- goes out sap cavity room
114- pistons
115- inlet openings
116- fluid holes
117- input ducts
118- liquid flowing valves
119- outlet pipes
120- liquid valve doors
121- feed liquor diaphragm seals
122- goes out liquid-tight mounting
Specific embodiment
The utility model is further described below by drawings and examples.By these explanations, this practicality is new
The characteristics of type and advantage will become more apparent from clearly.
Dedicated word " exemplary " means " being used as example, embodiment or illustrative " herein.Here as " exemplary "
Illustrated any embodiment should not necessarily be construed as preferred or advantageous over other embodiments.Although each of embodiment is shown in the drawings
In terms of kind, but unless otherwise indicated, it is not necessary to attached drawing drawn to scale.
According to thermal de-aeration low temperature boiler water-feeding device provided by the utility model, as shown in fig. 1, which includes heat
Power oxygen-eliminating device 1 and plate heat exchanger 2；
In one preferred embodiment, the plate heat exchanger 2 includes cold-side inlet 21, cold side outlet 22, hot junction
Entrance 23 and hot junction outlet 24；
Wherein, the cold side outlet 22 of the plate heat exchanger 2 is connected with the entrance of thermal deaerator 1,
The outlet of the hot-side inlet 23 and thermal deaerator 1 of the plate heat exchanger 2 is connected；
The cold-side inlet 21 of the plate heat exchanger 2 is connected with softening water pump,
The hot junction outlet 24 of the plate heat exchanger 2 is connected with boiler feed pump by pipeline, the water outlet of hot junction outlet 24
The economizer of boiler is pumped to, flue gas heat-exchange unit is set in economizer, treats that smoke discharging is handed over by the water outlet of hot junction outlet 24 through heat
Change cooling,
Partition board is provided in the plate heat exchanger 2, plate heat exchanger 2 is divided into cold end and hot junction by the partition board.
In one preferred embodiment, the warmed operating temperature of the thermal deaerator 1 is set as 104 degrees Celsius；
Thermal deaerator described herein is common deaeration plant in boiler plant field, does not do excessive narration herein, can
Meet above-mentioned function.
Preferably, the leaving water temperature of the hot junction outlet 24 is 50-60 DEG C.
Preferably, the partition board has multiple so that hot water or cold water fully alternately contacts, and enhances exchange capability of heat.
In one preferred embodiment, which further includes cold end short circuit valve 3 and hot junction short circuit valve 4；
Wherein, 3 left end of cold end short circuit valve is connected with the pipeline on cold side outlet 22,3 right end of cold end short circuit valve with it is cold
Pipeline on end entrance 21 is connected；
4 left end of hot junction short circuit valve is connected with the pipeline on hot-side inlet 23, and 4 right end of hot junction short circuit valve is exported with hot junction
Pipeline on 24 is connected.When the device works normally, above-mentioned cold end short circuit valve 3 and hot junction short circuit valve 4 are all closed, when need
When wanting repair apparatus or equipment fault, above-mentioned cold end short circuit valve 3 and/or hot junction short circuit valve 4 are opened.
In one preferred embodiment, partition board is provided in the plate heat exchanger 2, the partition board 8 will be board-like
Heat exchanger 2 is divided into cold end and hot junction.
In one preferred embodiment, the plate heat exchanger 2 can select plate heat exchanger of the prior art,
It can also select plate heat exchanger as shown in Figure 2 disclosed herein；
Preferably, which includes seal case 5, and multilayer insulating panel 8 is provided in the seal case, described
Partition board is metal partion (metp), and the capacity of heat transmission is strong, and the spacing dimension of each partition room is consistent.
Preferably, the seal case 5 be internally provided with the hot junction distributary division 6 that is connected with hot-side inlet 23 and with it is cold
The connected cold end distributary division 7 of end entrance 21, the hot junction distributary division 6 and cold end distributary division 7 are oppositely arranged, respectively positioned at seal box
5 inside both sides of body.
Preferably, 6 ~ 10 layers of partition board, more preferably 8 layers are internally provided in the seal case 5；The two of every layer of partition board 8
Side all be respectively cold end runner 9 and hot junction runner 10,
The cold end runner 9 is connected with cold end distributary division 7, and hot junction runner 10 is connected with hot junction distributary division 6.
Preferably, on the cold end runner 9, be provided with cold end pooled portion at the hot junction, the cold end pooled portion with
Cold side outlet 22 connects；On the hot junction runner 10, be provided with hot junction pooled portion at the cold end, the hot junction pooled portion with
24 connection of hot junction outlet；
Preferably, the both ends of the partition board 8 be tablet, the middle part undulate of the partition board, as wave-shape board 81；Into one
Step ground, the partition board 8 of stating all is being tabular close to the both sides in cold end and hot junction, and the middle part undulate of the partition board passes through
Wave-shape board 81 will be set as in the middle part of partition board, enhances the heat exchange efficiency of the partition board, simultaneously because during wave-shape board 81 is only located at
Portion region, the flow resistance which brings is smaller, and excessive burden will not be carried out to pressure supply equipment belt.
In one preferred embodiment, the plate heat exchanger 2 has multiple, and the multiple plate heat exchanger 2 is simultaneously
Connection setting.
Further, it is provided with heat between the outlet of the hot-side inlet 23 and thermal deaerator 1 of the plate heat exchanger 2
Hold shunt regulator device 11；
Cold end shunt regulator device is provided between the cold-side inlet 21 of the plate heat exchanger 2 and softening water pump.
The hot junction shunt regulator device 11 and cold end shunt regulator device are used to adjust in each plate heat exchanger 2
The ratio between flow of hot water or cold water of entrance.
The mechanism of hot junction shunt regulator device 11 and cold end shunt regulator device described herein is basically identical, now with it
It is illustrated for middle hot junction shunt regulator device 11：
The hot junction shunt regulator device 11 includes the feed liquor chamber 111 being sequentially connected, pressure chamber 112 and goes out sap cavity room
113,
Wherein, piston 114 sliding back and forth is provided in the pressure chamber 112,
Inlet opening 115 and fluid hole 116 are offered on the wall surface for forming the pressure chamber 112,
The feed liquor chamber 111 is connected by inlet opening 115 with pressure chamber 112,
It is described go out sap cavity room 113 connected by fluid hole 116 with pressure chamber 112,
Multiple input ducts 117 are communicated on the feed liquor chamber 111, are both provided in each input duct 117
Liquid flowing valve 118 to be opened/closed,
It is described go out sap cavity room 113 on be communicated with multiple outlet pipes 119, be both provided in each outlet pipe 119
Liquid valve door 120 to be opened/closed.
Preferably, it inside the pressure chamber 112, is provided with and can turn down on the wall surface near the inlet opening 115
Feed liquor diaphragm seal 121.In the case where the feed liquor diaphragm seal 121 turns down, the inlet opening 115 is unimpeded, in the feed liquor
In the case of 121 return of diaphragm seal, the inlet opening 115 is closed.
Preferably, it outside the pressure chamber 112, is provided with and can turn down on the wall surface near the fluid hole 116
Go out liquid-tight mounting 122.It is described go out in the case that liquid-tight mounting 122 turns down, the fluid hole 116 is unimpeded, it is described go out liquid
In the case of 122 return of diaphragm seal, the fluid hole 116 is closed.
Preferably, feed liquor diaphragm seal 121 is forced to turn down towards 112 outside movement of pressure chamber by piston 114, goes out liquid
122 return of diaphragm seal；121 return of feed liquor diaphragm seal is forced towards 112 inside movement of pressure chamber by piston 114, goes out liquid
Diaphragm seal 122 turns down.
In the case where the inlet opening 115 is closed, each liquid flowing valve 118 is closed, unimpeded in the inlet opening 115
In the case of, a liquid flowing valve 118 is opened.
Preferably, the multiple liquid flowing valve 118 is opened successively according to predetermined order.
Particularly, in the case where the fluid hole 116 is closed, each liquid valve door 120 is closed, in the fluid hole
In the case that 116 is unimpeded, a liquid valve door 120 is opened.
Particularly, the multiple liquid valve door 120 is opened successively according to predetermined order.
The fingers such as " on ", " under ", " interior ", " outer " " preceding " " rear " it should be noted that term in the description of the present invention,
The orientation or position relationship shown is based on the orientation or position relationship under utility model works state, is for only for ease of description
The utility model and simplified description rather than instruction imply that signified device or element must be with specific orientation, Yi Te
Fixed azimuth configuration and operation, therefore it is not intended that limitation to the utility model.
The utility model is illustrated above in association with preferred embodiment, but these embodiments are only models
Example property, only play the role of illustrative.On this basis, a variety of replacements and improvement can be carried out to the utility model, these
It each falls in the scope of protection of the utility model.
Claims (7)
1. a kind of thermal de-aeration low temperature boiler water-feeding device, which is characterized in that the device includes thermal deaerator (1) and board-like changes
Hot device (2)；
The plate heat exchanger (2) exports including cold-side inlet (21), cold side outlet (22), hot-side inlet (23) and hot junction
(24)；
Wherein, the cold side outlet (22) of the plate heat exchanger (2) is connected with the entrance of thermal deaerator (1) by pipeline,
The outlet of the hot-side inlet (23) and thermal deaerator (1) of the plate heat exchanger (2) is connected by pipeline；
The cold-side inlet (21) of the plate heat exchanger (2) is connected with softening water pump by pipeline,
The hot junction outlet (24) of the plate heat exchanger (2) is connected with boiler feed pump by pipeline, and hot junction outlet (24) goes out
Water is pumped to the economizer of boiler, and flue gas heat-exchange unit is set in economizer, treats that smoke discharging is exported the water outlet warp of (24) by hot junction
Heat exchange cools down,
Partition board is provided in the plate heat exchanger (2), plate heat exchanger (2) is divided into cold end and hot junction by the partition board.
2. thermal de-aeration low temperature boiler water-feeding device according to claim 1, which is characterized in that
The warmed operating temperature of the thermal deaerator (1) is set as 104 degrees Celsius.
3. thermal de-aeration low temperature boiler water-feeding device according to claim 1, which is characterized in that
The leaving water temperature of hot junction outlet (24) is 50-60 DEG C.
4. thermal de-aeration low temperature boiler water-feeding device according to claim 1, which is characterized in that
The device further includes cold end short circuit valve (3) and hot junction short circuit valve (4)；
Wherein, cold end short circuit valve (3) left end is connected with the pipeline on cold side outlet (22), cold end short circuit valve (3) right end with
Pipeline on cold-side inlet (21) is connected；
Hot junction short circuit valve (4) left end is connected with the pipeline on hot-side inlet (23), and short circuit valve (4) right end in hot junction goes out with hot junction
Pipeline on mouth (24) is connected.
5. thermal de-aeration low temperature boiler water-feeding device according to claim 1, which is characterized in that
The plate heat exchanger (2) has multiple, and the multiple plate heat exchanger (2) is arranged in parallel.
6. thermal de-aeration low temperature boiler water-feeding device according to claim 5, which is characterized in that
Hot junction shunting is provided between the outlet of the hot-side inlet (23) and thermal deaerator (1) of the plate heat exchanger (2)
Regulating device (11)；
Cold end shunt regulator device is provided between the cold-side inlet (21) of the plate heat exchanger (2) and softening water pump.
7. thermal de-aeration low temperature boiler water-feeding device according to claim 6, which is characterized in that
The hot junction shunt regulator device (11) and cold end shunt regulator device are used to adjust in each plate heat exchanger (2)
The ratio between flow of hot water or cold water of entrance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820170654.2U CN207555581U (en) | 2018-01-31 | 2018-01-31 | Thermal de-aeration low temperature boiler water-feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820170654.2U CN207555581U (en) | 2018-01-31 | 2018-01-31 | Thermal de-aeration low temperature boiler water-feeding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207555581U true CN207555581U (en) | 2018-06-29 |
Family
ID=62660867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820170654.2U Active CN207555581U (en) | 2018-01-31 | 2018-01-31 | Thermal de-aeration low temperature boiler water-feeding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207555581U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109357254A (en) * | 2018-09-27 | 2019-02-19 | 铜陵有色金属集团股份有限公司金冠铜业分公司 | A kind of recovery system of oxygen-enriched flash steam |
-
2018
- 2018-01-31 CN CN201820170654.2U patent/CN207555581U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109357254A (en) * | 2018-09-27 | 2019-02-19 | 铜陵有色金属集团股份有限公司金冠铜业分公司 | A kind of recovery system of oxygen-enriched flash steam |
| CN109357254B (en) * | 2018-09-27 | 2020-05-29 | 铜陵有色金属集团股份有限公司金冠铜业分公司 | Recovery system of oxygen-enriched flash steam |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201582842U (en) | Combined air preheater | |
| CN103277147A (en) | Dual-power ORC power generation system and power generation method of same | |
| CN204806941U (en) | Heat exchanger | |
| CN207555581U (en) | Thermal de-aeration low temperature boiler water-feeding device | |
| CN102200403A (en) | Branch-control and phase-change heat exchange system and method based on two-stage steam-liquid heat exchanger | |
| CN204611734U (en) | Fume afterheat utilizes closed circulation system | |
| CN104634586B (en) | A kind of organic heat carrier furnace fast and safely heat sink for simulating heat source system | |
| CN209279399U (en) | A kind of flue gas waste heat recovery system | |
| CN106822927A (en) | One kind is based on the electrically heated sterilization furnace apparatus of solar energy | |
| CN210035559U (en) | Cascade comprehensive utilization device based on flue gas waste heat of gas generator | |
| CN207196448U (en) | Air energy heat pump steam unit | |
| CN207059311U (en) | A kind of press cooling device | |
| CN204881237U (en) | Steam heat transfer system with reinforce heat transfer effect | |
| CN213454821U (en) | Medium-pressure hot air supplementing device | |
| CN109317636A (en) | A kind of high temperature die casting water temperature machine control system that internal pressure stability is high | |
| CN204963594U (en) | Circulating condensation device | |
| CN110849205B (en) | Water-cooling constant-pressure liquid supplementing water tank system and application method thereof | |
| CN203719239U (en) | Condensation heat recovery system of refrigerating unit | |
| CN209532048U (en) | A kind of high temperature die casting water temperature machine control system that internal pressure stability is high | |
| CN207632896U (en) | The heating system of strip pickling acid | |
| CN105972813A (en) | Electric boiler | |
| CN205655720U (en) | Binary channels heat transfer system | |
| CN217604074U (en) | Forced circulation system of condensed water heater | |
| CN214620765U (en) | Oil temperature control device for oil equipment for heat conduction oil | |
| CN204150495U (en) | A kind of acrylic acid tank heat-insulation system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220207 Address after: 214000 room 2022, building 10, first financial street, Wuxi Economic Development Zone, Wuxi City, Jiangsu Province Patentee after: Jiangsu Xinbo Energy Technology Co.,Ltd. Address before: 215500 Bo Mo thermal energy factory, Pingqian Industrial Park, No. 59, Huangpujiang Road, Southeast Economic Development Zone, Changshu, Suzhou, Jiangsu Patentee before: SUZHOU BOEHMER THERMAL ENERGY PRODUCTS Co.,Ltd. Patentee before: Beijing BoMo Thermal Energy Technology Research Institute Co., Ltd |
|
| TR01 | Transfer of patent right |