CN206944489U - Anti-condensation device outside a kind of boiler economizer - Google Patents
Anti-condensation device outside a kind of boiler economizer Download PDFInfo
- Publication number
- CN206944489U CN206944489U CN201720710805.4U CN201720710805U CN206944489U CN 206944489 U CN206944489 U CN 206944489U CN 201720710805 U CN201720710805 U CN 201720710805U CN 206944489 U CN206944489 U CN 206944489U
- Authority
- CN
- China
- Prior art keywords
- water
- economizer
- pipe
- temperature
- header
- 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
- Control Of Steam Boilers And Waste-Gas Boilers (AREA)
Abstract
The utility model discloses anti-condensation device outside a kind of boiler economizer, including frame, the top inner wall of frame to be provided with economizer pipeline；The inner peripheral surface of economizer pipeline is provided with economizer group, and one end of the first water pipe is connected with water inlet header, and the other end of the second water pipe is connected with the bottom of economizer group；Water outlet temperature measuring point is installed at the top of water out header, electrical ball valve is installed in the middle part of water-supply-pipe.Anti-condensation device outside this boiler economizer, if water outlet temperature measuring point, which measures coolant-temperature gage, is less than a certain value, when the economizer tube channel temp is less than flue gas dew point temperature, controllable electrical ball valve is gradually opened, the portion of water inside water inlet header is set to flow to water-supply-pipe, due to the shunting of water, coolant-temperature gage inside water out header increases, until the temperature of economizer pipe wall is higher than dew-point temperature, reasonably it is laid out with simple regulation and again, condensation is avoided to prevent dust stratification and low-temperature corrosion, structure and control are simple.
Description
Technical field
Boiler economizer technical field is the utility model is related to, anti-condensation device outside specially a kind of boiler economizer.
Background technology
At present, the return water temperature of the especially hot-water boiler of the boiler feedwater in actual motion is all far below rated designs temperature
Degree, by normal water supply modes, economizer tube wall temperature can all be less than the dew-point temperature of flue gas, and this results in tying on economizer tube wall
Reveal, the flying dust in flue gas, which is bonded on tube wall, increases thermal resistance, has a strong impact on heat exchange efficiency, while sulfide and dew in flue gas
Dilute concentration acid solution is formed, corrodes metal pipe-wall.
Utility model content
The purpose of this utility model is to provide anti-condensation device outside a kind of boiler economizer possess with simple regulation
Reasonably it is laid out again, avoids condensation from preventing dust stratification and low-temperature corrosion and structure and control the advantages of simple, solve existing
The problem of technology.
To achieve the above object, the utility model provides following technical scheme：Anti-condensation dress outside a kind of boiler economizer
Put, including frame, be welded with support frame between the frame, the top inner wall of frame is provided with economizer pipeline；Province's coal
Gas approach is connected with the top of device pipeline, the bottom of economizer pipeline is connected with exhanst gas outlet, the inner periphery of economizer pipeline
Face is provided with economizer group, and the side of economizer pipeline is connected with bypass loop；The upper surface of support frame as described above and exhanst gas outlet
Lower end be fixedly connected；The bypass loop is by water inlet header, water out header, water-supply-pipe, the first water pipe and the second water pipe
Composition, one end of the first water pipe are connected with water inlet header, and the other end of the first water pipe is connected with the top of economizer group；It is described
One end of second water pipe is connected with water out header, and the other end of the second water pipe is connected with the bottom of economizer group；The water enters
Water inlet temperature point is installed at the top of mouth header, water outlet temperature measuring point, water inlet are installed at the top of water out header
Water-supply-pipe is connected between header and water out header, electrical ball valve is installed in the middle part of water-supply-pipe.
Preferably, the inside of the economizer group is provided with the pipeline in " S " type, the both ends of pipeline respectively with the first water pipe
Connected with the second water pipe.
Preferably, the water inlet header is located at the surface of water out header, water inlet header and water out header mirror
Both ends as being distributed in water-supply-pipe.
Preferably, the water outlet temperature measuring point is electrically connected with electrical ball valve by control line.
Compared with prior art, the beneficial effects of the utility model are as follows：
Anti-condensation device outside this boiler economizer, because economizer group internal pipeline is in " S ", inside economizer group
Flow resistance is greater than the water-supply-pipe with electrical ball valve, water is intended to by-passing loop and is forced to branch to economizer group, low temperature
Water is flowed into the first water pipe from water out header, pipe of the water at low temperature in the first water pipe by " S " type inside economizer group
Road, and the flue gas of high temperature carry out heat exchange, and the temperature of water at low temperature improves, the temperature step-down of high-temperature flue gas；If water outlet temperature
Measuring point measures coolant-temperature gage and is less than a certain value, when the economizer tube channel temp is less than flue gas dew point temperature, can control electrical ball valve by
Gradually open, the portion of water inside water inlet header is flow to water-supply-pipe, due to the shunting of water, the water through economizer tube group
Reduce, the coolant-temperature gage inside water out header increases, until the temperature of economizer pipe wall is higher than dew-point temperature, with letter
Single regulation and reasonably be laid out again, the tube wall temperature for improving boiler economizer can be realized, avoid condensation prevent dust stratification with
Low-temperature corrosion, structure and control are simple.
Brief description of the drawings
Fig. 1 is overall structure profile of the present utility model；
Fig. 2 is schematic diagram of the present utility model.
In figure：1 frame, 11 support frames, 2 economizer pipelines, 21 gas approach, 22 exhanst gas outlets, 23 economizer groups, by 3
Road loop, 31 water inlet headers, 311 water inlet temperature points, 32 water out headers, 321 water outlet temperature measuring points, 33 water deliverys
Pipe, 331 electrical ball valves, 34 first water pipes, 35 second water pipes.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1-2, a kind of boiler economizer outside anti-condensation device, including frame 1 are referred to, branch is welded between frame 1
Support 11, the top inner wall of frame 1 are provided with economizer pipeline 2, and the side wall of economizer pipeline 2 is fixed by frame 1；Save coal
The top of device pipeline 2 is connected with gas approach 21, is entered at high-temperature flue gas from gas approach 21 in economizer pipeline 2, saves coal
The bottom of device pipeline 2 is connected with exhanst gas outlet 22, and the flue gas of low temperature is discharged from exhanst gas outlet 22, the inner periphery of economizer pipeline 2
Face is provided with economizer group 23, and economizer group 23 cools to high-temperature flue gas, and the side of economizer pipeline 2, which is connected with, to be bypassed back
Road 3；The upper surface of support frame 11 is fixedly connected with the lower end of exhanst gas outlet 22, and support frame 11 carries out bottom to economizer pipeline 2
Support, the advantages of reaching fixation；Bypass loop 3 is by water inlet header 31, water out header 32, water-supply-pipe 33, the first water
The water pipe 35 of pipe 34 and second is formed, and one end of the first water pipe 34 is connected with water inlet header 31, the other end of the first water pipe 34 with
The top connection of economizer group 23；One end of second water pipe 35 is connected with water out header 32, the other end of the second water pipe 35 with
The bottom connection of economizer group 23, the inside of economizer group 23 are provided with the pipeline in " S " type, and the both ends of pipeline are respectively with first
The water pipe 35 of water pipe 34 and second connection economizer group 23, because the internal pipeline of economizer group 23 is in " S ", inside economizer group 23
Flow resistance be greater than the water-supply-pipe 331 with electrical ball valve 331, water is intended to by-passing loop 3 and is forced to branch to province's coal
Device group 23, water at low temperature are flowed into the first water pipe 34 from water out header 32, and the water at low temperature in the first water pipe 34 passes through economizer
The pipeline of " S " type inside group 23, and the flue gas of high temperature carry out heat exchange, and the temperature of water at low temperature improves, the temperature of high-temperature flue gas
Step-down；The top of water inlet header 31 is provided with water inlet temperature point 311, and water inlet temperature point 311 is into water inlet
The temperature of water at low temperature inside header 31 measures, and the top of water out header 32 is provided with water outlet temperature measuring point 321, water
Outlet temperature measuring point 321 carries out thermometric to the water discharged from economizer group 23, if water outlet temperature measuring point 321 measures coolant-temperature gage
Less than a certain value, when the temperature of economizer pipeline 2 is less than flue gas dew point temperature, signal is fed back into electrical ball valve 331, water inlet
Water-supply-pipe 33 is connected between header 31 and water out header 32, water inlet header 31 is located at the surface of water out header 32,
Water inlet header 31 and the mirror image of water out header 32 are distributed in the both ends of water-supply-pipe 33, and the middle part of water-supply-pipe 33 is provided with electric ball
Valve 331, water outlet temperature measuring point 321 are electrically connected with electrical ball valve 331 by control line, and water outlet temperature measuring point 321 is controllable
Electrical ball valve 331 processed is gradually opened, and the portion of water inside water inlet header 31 is flow to water-supply-pipe 33, due to point of water
Stream, the water through economizer tube group 23 are reduced, and the coolant-temperature gage inside water out header 32 increases, until economizer pipeline 2 is managed
The temperature of wall is higher than dew-point temperature, and the leaving water temperature of economizer group 23 increases with the reduction of water-carrying capacity, if by a part
Water is shunted through bypass circulation 3 to reduce the water-carrying capacity of stream economizer group 23, the mesh with regard to that can reach water temperature in increase economizer group 23
, this process is automatically adjusted to realize by electrical ball valve 331, is reasonably laid out with simple regulation and again, Neng Goushi
The tube wall temperature of boiler economizer is now improved, avoids condensation from preventing dust stratification and low-temperature corrosion, structure and control are simple.
In summary：Anti-condensation device outside this boiler economizer, because the internal pipeline of economizer group 23 is in " S ", is being saved
Flow resistance inside coal device group 23 is greater than the water-supply-pipe 331 with electrical ball valve 331, make water be intended to by-passing loop 3 and by
Compel to branch to economizer group 23, water at low temperature is flowed into the first water pipe 34 from water out header 32, the low temperature in the first water pipe 34
Pipeline of the water by " S " type inside economizer group 23, and the flue gas of high temperature carry out heat exchange, and the temperature of water at low temperature improves, high
The temperature step-down of warm flue gas；If water outlet temperature measuring point 321, which measures coolant-temperature gage, is less than a certain value, make the temperature of economizer pipeline 2
During less than flue gas dew point temperature, controllable electrical ball valve 331 is gradually opened, and makes the portion of water inside water inlet header 31
Water-supply-pipe 33 is flow to, due to the shunting of water, the water through economizer tube group 23 is reduced, and the coolant-temperature gage inside water out header 32 is therewith
Rise, until the temperature of the tube wall of economizer pipeline 2 is higher than dew-point temperature, reasonably it is laid out with simple regulation and again, can
The tube wall temperature for improving boiler economizer is realized, avoids condensation from preventing dust stratification and low-temperature corrosion, structure and control are simple.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (4)
1. anti-condensation device outside a kind of boiler economizer, including frame (1), it is characterised in that：Welded between the frame (1)
There is support frame (11), the top inner wall of frame (1) is provided with economizer pipeline (2)；The top connection of the economizer pipeline (2)
There is gas approach (21), the bottom of economizer pipeline (2) is connected with exhanst gas outlet (22), the inner peripheral surface of economizer pipeline (2)
Economizer group (23) is installed, the side of economizer pipeline (2) is connected with bypass loop (3)；The upper table of support frame as described above (11)
Face is fixedly connected with the lower end of exhanst gas outlet (22)；The bypass loop (3) is by water inlet header (31), water out header
(32), water-supply-pipe (33), the first water pipe (34) and the second water pipe (35) composition, one end and the water inlet header of the first water pipe (34)
(31) connect, the other end of the first water pipe (34) is connected with the top of economizer group (23)；One end of second water pipe (35)
It is connected with water out header (32), the other end of the second water pipe (35) is connected with the bottom of economizer group (23)；The water inlet
Water inlet temperature point (311) is installed, water out header is provided with water outlet temperature at the top of (32) at the top of header (31)
Measuring point (321), water-supply-pipe (33), the middle part of water-supply-pipe (33) are connected between water inlet header (31) and water out header (32)
Electrical ball valve (331) is installed.
2. anti-condensation device outside a kind of boiler economizer according to claim 1, it is characterised in that：The economizer group
(23) inside is provided with the pipeline in " S " type, and the both ends of pipeline are connected with the first water pipe (34) and the second water pipe (35) respectively.
3. anti-condensation device outside a kind of boiler economizer according to claim 1, it is characterised in that：The water inlet collection
Case (31) is located at the surface of water out header (32), and water inlet header (31) and water out header (32) mirror image are distributed in water delivery
Manage the both ends of (33).
4. anti-condensation device outside a kind of boiler economizer according to claim 1, it is characterised in that：The water out temperature
Degree measuring point (321) is electrically connected with electrical ball valve (331) by control line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720710805.4U CN206944489U (en) | 2017-06-16 | 2017-06-16 | Anti-condensation device outside a kind of boiler economizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720710805.4U CN206944489U (en) | 2017-06-16 | 2017-06-16 | Anti-condensation device outside a kind of boiler economizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206944489U true CN206944489U (en) | 2018-01-30 |
Family
ID=61364098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720710805.4U Active CN206944489U (en) | 2017-06-16 | 2017-06-16 | Anti-condensation device outside a kind of boiler economizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206944489U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109442377A (en) * | 2018-12-13 | 2019-03-08 | 中国华能集团清洁能源技术研究院有限公司 | A kind of low low-level (stack-gas) economizer system and application method of efficient anti-gray |
-
2017
- 2017-06-16 CN CN201720710805.4U patent/CN206944489U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109442377A (en) * | 2018-12-13 | 2019-03-08 | 中国华能集团清洁能源技术研究院有限公司 | A kind of low low-level (stack-gas) economizer system and application method of efficient anti-gray |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107449026A (en) | High-efficiency solar heating method and system based on stagewise heat accumulation heat release | |
| CN206944489U (en) | Anti-condensation device outside a kind of boiler economizer | |
| CN204987074U (en) | Synthesize backheat and waste heat utilization's adjustable boiler preheating of air system | |
| CN202485208U (en) | Energy-saving double-water-tank constant-temperature continuous water supply system | |
| CN203744519U (en) | Multifunctional phase-change cooler | |
| CN204665244U (en) | A kind of association system of phase-change heat-exchanger band heat exchangers for district heating | |
| CN103234281A (en) | Modular natural circulation solar water heating system | |
| CN203836943U (en) | Low-temperature coal economizer of 300MW circulating fluidized bed boiler | |
| CN104359223A (en) | System and method for using waste steam of steam turbine as thermal medium of air heater of power plant boiler | |
| CN105091020A (en) | Adjustable boiler air preheating system and method integrating heat regeneration and waste heat utilization | |
| CN205842625U (en) | A kind of low-level (stack-gas) economizer | |
| CN208671135U (en) | Electrical heating system | |
| CN204574557U (en) | A kind of high temperature solar heating system | |
| CN209431689U (en) | A kind of cistern device in water system | |
| CN208475304U (en) | A kind of economizer heat exchange regulating system | |
| CN209042779U (en) | A kind of solar heat water heating system | |
| CN208505070U (en) | A kind of novel heat exchange container | |
| CN111853845A (en) | Accurate control system of phase change heat exchanger working medium side temperature | |
| CN207540141U (en) | A kind of barrel type pipeline heater | |
| CN204313486U (en) | System using exhaust steam in steam turbine as steam air heater of utility boiler thermal medium | |
| CN205939687U (en) | Heat exchanger instant heating device is coordinated with sleeve pipe to capillary vortex water conservancy diversion | |
| CN206362018U (en) | A kind of super low temperature heat pump air conditioner system of antifreeze defrosting | |
| CN207197336U (en) | A kind of enclosed cooling device | |
| CN205448743U (en) | Cooling tower | |
| CN204460255U (en) | WGGH Multifunctional temperature-regulating arrangement system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |