CN206832085U - A kind of icing formula anti-corrosion heat-exchange system - Google Patents
A kind of icing formula anti-corrosion heat-exchange system Download PDFInfo
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- CN206832085U CN206832085U CN201720587346.5U CN201720587346U CN206832085U CN 206832085 U CN206832085 U CN 206832085U CN 201720587346 U CN201720587346 U CN 201720587346U CN 206832085 U CN206832085 U CN 206832085U
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- heat
- corrosion
- heat exchanger
- icing
- exchange system
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Abstract
The utility model discloses a kind of icing formula anti-corrosion heat-exchange system, the icing formula anti-corrosion heat-exchange system includes refrigeration machine, icing formula heat exchanger tube, heat exchanger and heat exchange pipe shell, the refrigeration machine is provided with low-temperature working media outlet and heat exchange working medium inlet, the icing formula heat exchanger tube is provided with low-temperature working medium inlet and heat exchange working medium exit port, the refrigeration machine is located in the heat exchanger, the icing formula heat exchanger tube is in heat exchange pipe shell, the low-temperature working media outlet is in fluid communication with the low-temperature working medium inlet, the heat exchange working medium inlet is in fluid communication with the heat exchange working medium exit port, the heat exchange pipe shell is provided with smoke inlet and exhanst gas outlet, the heat exchanger is provided with heat transferring medium entrance and heat transferring medium outlet.Icing formula anti-corrosion heat-exchange system provided by the utility model is economical and practical and efficient anti-corrosion heat exchanger, is mainly used in flue gas waste heat recovery and flue gas desulfurization and denitrification etc. with places such as corrosivity heat exchange.
Description
Technical field
It the utility model is related to chemical technology field, and in particular to a kind of icing formula anti-corrosion heat-exchange system.
Background technology
With electric power, the rise of coal equal energy source price, recovery of each enterprise to caused used heat, waste heat in technique productions
Using increasingly paying attention to, combustion air, gaseous fuel or other media heat by Mist heat recovering in enterprise, reach energy-conservation
Consumption reduction, the purpose for reducing pollution.Such as：
Publication No. CN202328310U Chinese patent literature discloses a kind of Multipurpose afterheat recovery device, its feature
It is to include main flue gas waste heat heat exchanging pipe (1), secondary flue gas waste heat for heat exchange pipeline (2) and heating, life heat exchanger (3), it is main
Flue gas waste heat for heat exchange pipeline (1) and secondary flue gas waste heat for heat exchange pipeline (2) contact with flue gas (8), secondary flue gas waste heat for heat exchange pipeline (2)
It is connected with heating, life heat exchanger (3).Multipurpose afterheat recovery device of the present utility model is divided to two in waste heat recovery body
Part tube bank, wherein sub-fraction is restrained uses by oneself for power plant.Major part is restrained for heating condensate water, including multi-stage heat exchanger sheet
Body, connecting line and regulation and control system.Flue gas waste heat recovery is that the heat for being carried flue gas by certain heat exchange mode is changed
Into utilizable heat, smoke gas afterheat heat exchanger is set up.
Publication No. CN202598831U Chinese patent literature, which discloses, discloses a kind of comprehensive recycling device of waste heat,
Including at least drum portion, flue gas waste heat recoverer portion and fume afterheat heater portion, wherein；The drum portion, upper and lower high
Degree is placed between fume afterheat heater portion and flue gas waste heat recoverer portion on direction；The fume afterheat heater portion, in vapour
Above bag portion；The flue gas waste heat recoverer portion, below drum portion.The patent is by selecting rational drum and fume afterheat
Heater portion, the difference in height in flue gas waste heat recoverer portion realize the stable Natural Circulation of boiler circuit, under the less temperature difference
Stable heat convection is realized, reaches the purpose that fume afterheat makes full use of.
The etching problem of corrosive fume material all be present in flue gas waste heat recovery and flue gas desulfurization and denitrification, heat exchanger.It is existing
Some anti-corrosion heat exchangers mostly use anti-corrosion material (or anti-corrosion coating) such as ceramics, fluorine material, polymer composite
Corrosion-proof heat exchanger is made.But the cost of this mode is very high, various forms of materials are in temperature tolerance and heat exchange efficiency side
Face, there is different degrees of negative effect, so cost performance is bad.
Utility model content
The purpose of this utility model is to provide a kind of icing formula anti-corrosion heat-exchange system, icing formula provided by the utility model
Anti-corrosion heat-exchange system is economical and practical and efficient anti-corrosion heat exchanger, is mainly used in flue gas waste heat recovery and flue gas desulfurization
Denitration etc. has the places such as corrosivity heat exchange.
To achieve the above object, the utility model provides a kind of icing formula anti-corrosion heat-exchange system, and the icing formula anti-corrosion is changed
Hot systems include refrigeration machine, icing formula heat exchanger tube, heat exchanger and heat exchange pipe shell, the refrigeration machine and are provided with low-temperature working medium
Outlet and heat exchange working medium inlet, the icing formula heat exchanger tube is provided with low-temperature working medium inlet and heat exchange working media goes out
Mouthful, the refrigeration machine is located in the heat exchanger, and in heat exchange pipe shell, the low-temperature working is situated between the icing formula heat exchanger tube
Matter exports to be in fluid communication with the low-temperature working medium inlet, and the heat exchange working medium inlet goes out with the heat exchange working media
Mouth is in fluid communication, and the heat exchange pipe shell is provided with smoke inlet and exhanst gas outlet, and the heat exchanger is provided with heat transferring medium and entered
Mouth and heat transferring medium outlet.
Optionally, the icing formula anti-corrosion heat-exchange system is additionally provided with humidifier, and the gas outlet of the humidifier is by going out
Air pipe is in fluid communication with the heat exchanger tube housing interior volume.
Optionally, it is provided with check valve on the outlet pipe.
Optionally, the refrigeration machine is compression refrigerating machine, Absorption Refrigerator, steam jet refrigerator or semiconductor
Refrigeration machine.
Optionally, the heat exchanger tube cover top portion is provided with water inlet, and bottom is provided with delivery port.
Optionally, the water inlet connects with the Showerhead Fluid in the heat exchange pipe shell.
Optionally, the shower nozzle is multiple and is arranged side by side.
The utility model has the following advantages that：
Tthe utility model system does not need special material or special processing, directly with ordinary heat exchanger it is achieved that
Small investment, cost is low, particularly applies to (separate based on cryogenic liquefying during pump type heat low temperature exhaust heat recovery+flue gas desulfurization and denitrification
Flue gas desulfurization and denitrification device), because the temperature of high-temperature flue gas constantly melts icing surface, and the moisture in flue gas is continuous
Condensation is frozen, and the water coating of a dynamic equilibrium is formed on icing top layer, can be effectively using superficial water to Sization in flue gas
Thing and NOXAbsorbed, the large particulate matter in flue gas also can molten water and reduce, while there is the ice of efficient heat transfer ability heat
The cryogenic fluid being constantly sent to inside heat exchanger, completes the recovery of waste heat.
Brief description of the drawings
Fig. 1 is a kind of structural representation of embodiment of icing formula anti-corrosion heat-exchange system provided by the utility model.
The structural representation of Fig. 2 icing formula anti-corrosion heat-exchange system another kind embodiments provided by the utility model.
Embodiment
Following examples are used to illustrate the utility model, but are not limited to the scope of the utility model.
As shown in figure 1, the utility model provides a kind of icing formula anti-corrosion heat-exchange system, the icing formula anti-corrosion heat-exchange system
Refrigeration machine 1, icing formula heat exchanger tube 2, heat exchanger 3 and heat exchange pipe shell 4, the refrigeration machine 1 are provided with low-temperature working medium
Outlet 11 and heat exchange working medium inlet 12, the icing formula heat exchanger tube 2 are provided with low-temperature working medium inlet 21 and heat exchange work
Make media outlet 22, the refrigeration machine 1 is located in the heat exchanger 3, and the icing formula heat exchanger tube 2 is located in heat exchange pipe shell 4,
The low-temperature working media outlet 11 is in fluid communication with the low-temperature working medium inlet 21, the heat exchange working medium inlet 12
It is in fluid communication with the heat exchange working medium exit port 22, the heat exchange pipe shell 4 is provided with smoke inlet 41 and exhanst gas outlet 42,
The heat exchanger 3 is provided with heat transferring medium entrance 31 and heat transferring medium outlet 32.Tthe utility model system does not need special material
Or special processing, directly with ordinary heat exchanger it is achieved that small investment, cost is low, particularly apply to pump type heat low temperature
During waste heat recovery+flue gas desulfurization and denitrification (the flue gas desulfurization and denitrification device based on cryogenic liquefying separation), due to the temperature of high-temperature flue gas
Degree constantly melts icing surface, and the moisture in flue gas is constantly condensed or frozen, and forming a dynamic on icing top layer puts down
The water coating of weighing apparatus, can be effectively using superficial water to S compounds and NO in flue gasXAbsorbed, the large particulate matter in flue gas
Also can molten water and reduce, while there is the ice of efficient heat transfer ability the hot cryogenic fluid being constantly sent to inside heat exchanger,
Complete the recovery of waste heat.
A kind of embodiment, as shown in Fig. 2 the icing formula anti-corrosion heat-exchange system is additionally provided with humidifier 5, it is described
The gas outlet of humidifier 5 is in fluid communication by outlet pipe 6 and heat exchange pipe shell 4 inner space.The utility model principle
It is, is reduced heat exchange temperature using low temperature (- 30 DEG C) refrigeration working medium in ordinary heat exchanger internal pipeline, then using humidification
Device 5 leads to humid air (humidity>65%) in heat exchanger surface frosting after, the thick ice protective layers of 0.5-1cm are eventually formed.Utilize low temperature
The non-solubility of ice coating, one layer of ice protective layer is formed, so as to reach corrosion-resistant purpose.Humidifier can include humidification apparatus and
Air pump, air pump are used to moisture caused by humidification apparatus being sent into heat exchange pipe shell 4.
In order to prevent outlet pipe from being corroded by flue gas, check valve 7 can be provided with the outlet pipe 6, this is unidirectional
Valve can prevent flue gas from entering in humidifier 5.
Refrigeration machine is well-known to those skilled in the art, can be used in producing cold, its liberated heat is for heat exchange
Device absorbs, such as can be compression refrigerating machine, Absorption Refrigerator, steam jet refrigerator or semiconductor refrigerator.
In order to facilitate the flue gas particle accumulated in cleaning heat exchange pipe shell, as shown in Fig. 2 the heat exchange pipe shell 4 pushes up
Portion can be provided with water inlet 43, and bottom can be provided with delivery port 44, after icing formula heat exchanger tube is heated up, can enter water
Mouth is passed through water and washed, and then passes through delivery port effluent sewerage.
Enter the pressure of water and the area of cleaning to increase water inlet, as shown in Fig. 2 the water inlet 43 is with being located at institute
The shower nozzle 8 stated in heat exchange pipe shell 4 is in fluid communication.By shower nozzle can high pressure exchange on a large scale heat pipe carry out periodically it is clear
Reason.The shower nozzle 8 can be multiple and be arranged side by side.
Although above having made detailed description to the utility model with generality explanation and specific embodiment,
On the basis of the utility model, it can be made some modifications or improvements, this is apparent to those skilled in the art
's.Therefore, the these modifications or improvements on the basis of without departing from the utility model spirit, belonging to the utility model will
Seek the scope of protection.
Claims (7)
- A kind of 1. icing formula anti-corrosion heat-exchange system, it is characterised in that the icing formula anti-corrosion heat-exchange system include refrigeration machine (1), Icing formula heat exchanger tube (2), heat exchanger (3) and heat exchange pipe shell (4), the refrigeration machine (1) are provided with low-temperature working media outlet (11) it is provided with low-temperature working medium inlet (21) with heat exchange working medium inlet (12), the icing formula heat exchanger tube (2) and changes Thermodynamic medium exports (22), and the refrigeration machine (1) is located in the heat exchanger (3), and the icing formula heat exchanger tube (2), which is located at, changes In heat pipe shell (4), the low-temperature working media outlet (11) is in fluid communication with the low-temperature working medium inlet (21), described The working medium inlet (12) that exchanges heat is in fluid communication with the heat exchange working medium exit port (22), and the heat exchange pipe shell (4) is set There are smoke inlet (41) and exhanst gas outlet (42), the heat exchanger (3) is provided with heat transferring medium entrance (31) and heat transferring medium goes out Mouth (32).
- 2. icing formula anti-corrosion heat-exchange system according to claim 1, it is characterised in that the icing formula anti-corrosion heat-exchange system Humidifier (5) is additionally provided with, the gas outlet of the humidifier (5) is internal by outlet pipe (6) and the heat exchange pipe shell (4) Space fluid connects.
- 3. icing formula anti-corrosion heat-exchange system according to claim 2, it is characterised in that set on the outlet pipe (6) There is check valve (7).
- 4. icing formula anti-corrosion heat-exchange system according to claim 1, it is characterised in that the refrigeration machine (1) is compression Refrigeration machine, Absorption Refrigerator, steam jet refrigerator or semiconductor refrigerator.
- 5. icing formula anti-corrosion heat-exchange system according to claim 1, it is characterised in that at the top of the heat exchange pipe shell (4) Water inlet (43) is provided with, bottom is provided with delivery port (44).
- 6. icing formula anti-corrosion heat-exchange system according to claim 5, it is characterised in that the water inlet (43) is with being located at institute The shower nozzle (8) stated in heat exchange pipe shell (4) is in fluid communication.
- 7. icing formula anti-corrosion heat-exchange system according to claim 6, it is characterised in that the shower nozzle (8) is multiple and simultaneously Row is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720587346.5U CN206832085U (en) | 2017-05-24 | 2017-05-24 | A kind of icing formula anti-corrosion heat-exchange system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720587346.5U CN206832085U (en) | 2017-05-24 | 2017-05-24 | A kind of icing formula anti-corrosion heat-exchange system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206832085U true CN206832085U (en) | 2018-01-02 |
Family
ID=60772522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720587346.5U Expired - Fee Related CN206832085U (en) | 2017-05-24 | 2017-05-24 | A kind of icing formula anti-corrosion heat-exchange system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206832085U (en) |
-
2017
- 2017-05-24 CN CN201720587346.5U patent/CN206832085U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180102 |