CN207881537U - Unitized exchanger - Google Patents
Unitized exchanger Download PDFInfo
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- CN207881537U CN207881537U CN201721469157.4U CN201721469157U CN207881537U CN 207881537 U CN207881537 U CN 207881537U CN 201721469157 U CN201721469157 U CN 201721469157U CN 207881537 U CN207881537 U CN 207881537U
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- heat
- flue gas
- heat exchange
- pipe
- exchanger
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Abstract
The utility model discloses a kind of unitized exchanger, including heat exchange of heat pipe and vapor heat exchanger, heat exchange of heat pipe is used for flue gas flue gas heat exchange, and vapor heat exchanger exchanges heat for flue gas vapors.The unitized exchanger of the utility model can realize the heat exchange of flue gas and flue gas, flue gas and steam simultaneously, after wet-method desulfurized fume exchanges heat with bag filter exiting flue gas first, it is discharged again with after rear end steam further heat exchange, flue gas emission is ensured without white cigarette, and heat transfer property is high, heat-transfer effect is good, it is compact-sized, floor space is small, and steel consumption is small, and temperature-controllable is high.
Description
Technical field
The utility model is related to heat exchange equipment technologies, and in particular to unitized exchanger.
Background technology
As country is increasingly strict to standard limit of smog release, after waste incineration processing, to ensure SO in flue gas2Discharge reaches
Mark adds wet desulphurization, thoroughly solves SO in flue gas on the basis of original dry method and semi-dry desulphurization2Discharge.
However, after wet desulphurization, flue-gas temperature is at 65~75 DEG C or so, and to avoid smoke stack emission white cigarette problem, needing will be wet
Method flue gas after desulfurization temperature is promoted to 150 DEG C or more.
One is use steam heat-exchanging flue gas mode, this mode to need consumption a large amount of for the common method of flue gas at present
Steam.Another kind is to improve house outlet flue-gas temperature, with house outlet flue gas wet-method desulfurized fume, this side
Method needs to improve the equipment performance of bag filter, increases cost.
Utility model content
(1) technical problems to be solved
In view of the deficiencies of the prior art, the purpose of this utility model is to provide a kind of unitized exchanger,
(2) technical solution
The purpose of this utility model is achieved through the following technical solutions：
The utility model discloses a kind of unitized exchangers, including heat exchange of heat pipe, are used for flue gas-flue gas heat exchange；With
In flue gas-steam heat-exchanging；Wherein, the heat exchange of heat pipe includes shell, and the shell includes frame and shell, enclosure interior peace
Equipped with multiple set of heat exchange tubes at heat-exchanging tube bundle, the heat-exchanging tube bundle is fixed on middle partition board, and middle partition board is dividing hot and cold stream
The channel of body, top is condensation segment, lower part is evaporator section；Working media in heat pipe absorbs heat steaming in evaporator section from hot fluid
Hair, steam enter condensation section and are cooled down and condensed by cold fluid, condensation water by gravity reflux to evaporator section, due to the cycle of working medium,
The heat of hot fluid is transmitted to cold fluid, completes heat exchange.
Preferably, the evaporator section of the heat exchange of heat pipe and condensation section further include installing fin additional, are used for augmentation of heat transfer.
Preferably, the heat exchanger can right angle setting, also tiltable install.
Preferably, the heat exchange of heat pipe back segment increases steam pipe coil, the deficiency for making up heat exchange of heat pipe heating.
Preferably, the heat exchange of heat pipe and vapor heat exchanger are integrated manufacture, slitless connection.
(3) advantageous effect
The advantages of using unitized exchanger：
1, heat transfer property is high, and heat transfer system is more great many times than common light pipe gas-to-gas heat exchanger, traditional gas-gas
The shortcomings that heat exchanger is that heat transfer coefficient is small, and the heat exchange area needed is big, and steel consumption is big, and cost is high, causes it cannot be by
Generally use
2, logarithmic mean temperature difference (LMTD) is big, and heat-transfer effect is good, compact-sized, and floor space is small, and steel consumption is small, temperature-controllable
It is high.
3, it can completely avoid the smoke spillage between former flue gas and neat stress.
4, it without any rotatable parts, is consumed without additional power.
5, heat transfer efficiency is high, and the hot and cold side of heat pipe can use ratio-frequency welding enhanced fin heat transfer, compensate for one as needed
As the low disadvantage of the GGH coefficients of heat transfer.
6, between heat-pipe elements independently of each other, even if single or several heat pipes damage, smoke spillage will not be caused, is not influenced
Overall heat exchange effect.
(3) advantageous effect
Description of the drawings
Fig. 1 is unitized exchanger use flow diagram in the utility model embodiment；
Fig. 2 is unitized exchanger schematic diagram in the utility model embodiment；
Wherein：1- air-introduced machines, 2- scrubbing towers, 3- heat pipes, 4- steam pipe coils.
Specific implementation mode
To make the purpose of this utility model, technical solution and advantage be more clearly understood, below in conjunction with specific embodiment, and
With reference to attached drawing, the utility model is described in further detail.
The utility model discloses a kind of unitized exchanger, including heat exchange of heat pipe and vapor heat exchanger, heat pipe heat exchangings
Device is used for flue gas-flue gas heat exchange, and vapor heat exchanger is used for flue gas-steam heat-exchanging.The unitized exchanger of the utility model can be same
The heat exchange of Shi Shixian flue gases and flue gas, flue gas and steam, wet-method desulfurized fume exchange heat with bag filter exiting flue gas first
Afterwards, then after further exchanging heat with rear end steam it discharging, it is ensured that flue gas emission is without white cigarette, and heat transfer property is high, and heat-transfer effect is good,
Compact-sized, floor space is small, and steel consumption is small, and temperature-controllable is high.
Specifically, the utility model discloses a kind of unitized exchangers, including heat exchange of heat pipe, are used for flue gas-flue gas
Heat exchange and vapor heat exchanger are used for flue gas-steam heat-exchanging；Wherein, the heat exchange of heat pipe includes shell, and the shell includes
Frame and shell, enclosure interior be equipped with multiple set of heat exchange tubes at heat-exchanging tube bundle, the heat-exchanging tube bundle is fixed on middle partition board,
Middle partition board is to divide the channel of cold fluid and hot fluid, and top is condensation segment, lower part is evaporator section；Working media in heat pipe is evaporating
Section is absorbed heat from hot fluid and is evaporated, and steam enters condensation section and cooled down and condensed by cold fluid, and condensation water is by gravity reflux to evaporation
The heat of hot fluid is transmitted to cold fluid, is completed heat exchange by section due to the cycle of working medium.
The evaporator section and condensation section of the heat exchange of heat pipe further include installing fin additional, are used for augmentation of heat transfer.
The heat exchanger can right angle setting, also tiltable install.
The heat exchange of heat pipe back segment increases steam pipe coil, the deficiency for making up heat exchange of heat pipe heating.
The heat exchange of heat pipe and vapor heat exchanger are integrated manufacture, slitless connection.
The workflow of unitized exchanger is：The flue gas come out from bag filter, send to combined type through air-introduced machine and changes
Hot device leading portion (plate heat exchanger), changes rear smoke temperature by plate and is down to 120 DEG C or less and enter back into scrubbing tower carrying out washing treatment.Scrubbing tower goes out
Mouth flue gas is heated to 100 DEG C or so through plate heat exchanger, enters back into unitized exchanger back segment (steam heat-exchanging), will by steam
Flue gas heat exchange to 150 DEG C or so rear discharges, steam condensate is passed through in scrubbing tower.
Name specific embodiment, with to the utility model implementation and application effect better illustrate.
Embodiment
As shown in Fig. 2, the heat exchange element of integral heat-tube heat exchanger is heat pipe 3.Several heat pipe heats are integral, are placed in cold
Between hot fluid, the heat of hot fluid is continuously transmitted to by heat pipe by cold fluid, to realize changing between cold fluid and hot fluid
Heat.As shown in Fig. 2, in the shell being made of frame and shell, heat pipe tube bank is fixed on middle partition board, top be condensation segment, under
Portion is evaporator section, and middle partition board is dividing the channel of cold fluid and hot fluid.Working media in heat pipe is inhaled in evaporator section from hot fluid
Thermal evaporation, steam enter condensation section and are cooled down and condensed by cold fluid, and condensation water leans on gravity reflux to evaporator section, due to following for working medium
The heat of hot fluid is transmitted to cold fluid by ring, has achieved the purpose that heat exchange.The evaporator section and condensation section of heat pipe can be according to practical feelings
Condition installs fin additional with augmentation of heat transfer.Heat exchanger can right angle setting, also tiltable install.Neat stress back segment increases steam pipe coil 4, uses
Come make up heat exchange of heat pipe heating deficiency, to meet the smog discharge temperature of environmental requirement.
In the present embodiment, using unitized exchanger described in Fig. 2, workflow shown in Fig. 1 is handled from bag-type dust
The flue gas that device comes out, send to unitized exchanger leading portion (plate heat exchanger) through air-introduced machine 1, changes rear smoke temperature by plate and be down to 120
DEG C or less enter back into 2 carrying out washing treatment of scrubbing tower.Scrubbing tower exiting flue gas is heated to 100 DEG C or so through plate heat exchanger, enters back into
Unitized exchanger back segment (steam heat-exchanging), by steam by flue gas heat exchange to 150 DEG C or so rear discharges, steam condensate is passed through
In scrubbing tower.Specially：Flow is 30000Nm3/ h, former flue gas are less than 80 DEG C into 200 DEG C of temperature, former flue gas exit temperature, only
60 DEG C of smoke inlet, heat pipe tail portion neat stress temperature are not less than 90 DEG C, after steam-coil-heater, 130 DEG C of neat stress temperature.
The unitized exchanger of the utility model can realize that the heat exchange of flue gas and flue gas, flue gas and steam, wet method are de- simultaneously
It after flue gas exchanges heat with bag filter exiting flue gas first after sulphur, then is discharged after further exchanging heat with rear end steam, it is ensured that flue gas
Discharge is without white cigarette, and heat transfer property is high, and heat-transfer effect is good, compact-sized, and floor space is small, and steel consumption is small, temperature-controllable
Property it is high.
Particular embodiments described above has carried out into one the purpose of this utility model, technical solution and advantageous effect
Step is described in detail, it should be understood that the foregoing is merely specific embodiment of the utility model, are not limited to this reality
With novel, within the spirit and principle of the utility model, any modification, equivalent substitution, improvement and etc. done should all include
It is within the protection scope of the utility model.
Claims (5)
1. a kind of unitized exchanger, which is characterized in that including：
Heat exchange of heat pipe is used for flue gas-flue gas heat exchange, and
Vapor heat exchanger is used for flue gas-steam heat-exchanging；
Wherein, the heat exchange of heat pipe includes shell, and the shell includes frame and shell, and enclosure interior is equipped with multiple heat exchange
The heat-exchanging tube bundle of pipe composition, the heat-exchanging tube bundle is fixed on middle partition board, and middle partition board is dividing the channel of cold fluid and hot fluid, top
It is evaporator section for condensation segment, lower part；Working media in heat pipe absorbs heat evaporation in evaporator section from hot fluid, and steam enters condensation
Section is cooled down and condensed by cold fluid, and condensation water passes the heat of hot fluid due to the cycle of working medium by gravity reflux to evaporator section
To cold fluid, heat exchange is completed.
2. unitized exchanger according to claim 1, which is characterized in that the evaporator section of the heat exchange of heat pipe and condensation
Section further includes installing fin additional, is used for augmentation of heat transfer.
3. unitized exchanger according to claim 1, which is characterized in that the heat exchanger can right angle setting, can also incline
Tiltedly installation.
4. unitized exchanger according to claim 1, which is characterized in that the heat exchange of heat pipe back segment increases steam disc
Pipe, the deficiency for making up heat exchange of heat pipe heating.
5. unitized exchanger according to claim 1, which is characterized in that the heat exchange of heat pipe and vapor heat exchanger are
It is integrally manufactured, slitless connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721469157.4U CN207881537U (en) | 2017-11-07 | 2017-11-07 | Unitized exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721469157.4U CN207881537U (en) | 2017-11-07 | 2017-11-07 | Unitized exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207881537U true CN207881537U (en) | 2018-09-18 |
Family
ID=63499689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721469157.4U Active CN207881537U (en) | 2017-11-07 | 2017-11-07 | Unitized exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207881537U (en) |
-
2017
- 2017-11-07 CN CN201721469157.4U patent/CN207881537U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Combined-type heat exchanger and fluidized bed reactor Effective date of registration: 20181128 Granted publication date: 20180918 Pledgee: Huaxia Bank Beijing branch, Limited by Share Ltd Pledgor: Beijing Qi Yue environmental Polytron Technologies Inc Registration number: 2018990001123 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20200317 Granted publication date: 20180918 Pledgee: Huaxia Bank Beijing branch, Limited by Share Ltd Pledgor: BEIJING QI YUE ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Registration number: 2018990001123 |