CN208751333U - A kind of Efficient high-temperature gas heat exchanger - Google Patents
A kind of Efficient high-temperature gas heat exchanger Download PDFInfo
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- CN208751333U CN208751333U CN201821026233.9U CN201821026233U CN208751333U CN 208751333 U CN208751333 U CN 208751333U CN 201821026233 U CN201821026233 U CN 201821026233U CN 208751333 U CN208751333 U CN 208751333U
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Abstract
The utility model discloses a kind of Efficient high-temperature gas heat exchangers, including successively low-temperature zone interconnected from left to right, middle-temperature section and high temperature section, the low-temperature zone, middle-temperature section, high temperature section respectively includes shell and set on its internal heat exchanger tube, the left head side of the shell of the low-temperature zone is equipped with organic exhaust gas entrance, the right head side of the shell of high temperature section is exported equipped with organic exhaust gas, organic exhaust gas is flowed into from organic exhaust gas entrance, it exports and flows out from organic exhaust gas after heat absorption, the heat exchanger tube right end of the high temperature section is equipped with high-temperature gas entrance, the heat exchanger tube left end of low-temperature zone is exported equipped with high-temperature gas, high-temperature gas is flowed into from high-temperature gas entrance, after high-temperature gas discharges heat, it exports and is discharged from high-temperature gas.This product effectively increases heat exchange efficiency, is advantageously implemented energy-saving and emission-reduction, reduces operation cost of enterprises.
Description
Technical field
The utility model relates to VOCs treatment technical fields, and in particular, to a kind of Efficient high-temperature gas heat exchanger.
Background technique
Heat exchanger is the section that heat transfer between material is realized between a kind of fluid at two or more different temperatures
Energy equipment, is that heat is made to pass to the lower fluid of temperature by the higher fluid of temperature, fluid temperature (F.T.) is made to reach flow specification
Index to meet the needs of process conditions, while being also one of the capital equipment for improving energy utilization rate.In VOCs treatment
On, traditional heat exchangers are influenced by the limitation of structure, generally can only be by organic waste under the conditions of certain high temperature fluid temperature
Temperature degree is increased to certain amplitude.Such as, it is used on the organic waste gas treatment equipment of Huizhou City Rong Ke environmental protection equipment Co., Ltd
A kind of traditional heat exchanger, organic exhaust gas can only be warming up to 500 DEG C from 50 DEG C, and the organic exhaust gas decomposes needs completely
800 DEG C of temperature, gap are also bigger.Heat exchanger heating limit how is further increased, is currently one solved to be needed to ask
Topic.
Utility model content
The purpose of this utility model is to provide a kind of Efficient high-temperature gas heat exchangers, to solve to mention in above-mentioned background technique
Out the problem of.
To achieve the above object, the utility model provides the following technical solutions:
A kind of Efficient high-temperature gas heat exchanger, including successively low-temperature zone interconnected, middle-temperature section and high temperature from left to right
Section, the low-temperature zone, middle-temperature section, high temperature section respectively include shell and set on its internal heat exchanger tube, the shells of the low-temperature zone
Left head side is equipped with organic exhaust gas entrance, and the right head side of the shell of high temperature section is equipped with organic exhaust gas outlet, and organic exhaust gas is from organic
Exhaust gas entrance IN1 is flowed into, and is exported and is flowed out from organic exhaust gas after heat absorption, and the heat exchanger tube right end of the high temperature section enters equipped with high-temperature gas
Mouthful, the heat exchanger tube left end of low-temperature zone be equipped with high-temperature gas and export, high-temperature gas is flowed into from high-temperature gas entrance, and high-temperature gas discharges
After heat, exports and be discharged from high-temperature gas.Here, high-temperature gas flows from right to left in heat exchanger tube, the organic exhaust gas of low temperature
It is flowed from left to right between heat exchanger tube and shell, the two forms the whole situation of convection current, sufficiently exchanges heat in three sections of heat exchangers.
The synthesis heat exchange property of relatively general light pipe, multi-start helical tubes is more superior, it is preferred that the heat exchanger tube is using more
Head helix tube, makes gas exchange heat in a manner of turbulent, and heat exchange area is big, and heat exchange efficiency is high, and here, the head number of multi-start helical tubes is 8,
Groove depth is 5mm, and helical angle is 45 degree, to obtain optimal heat transfer effect.
Preferably, the low-temperature zone left side plate, high temperature section right end plate are respectively equipped with corresponding equally distributed through-hole, and more
Heat exchanger tube is each passed through low-temperature zone, the through-hole of high temperature section is fixedly connected with shell using Tubesheet Welding, and more heat exchanger tubes are uniformly distributed
In in shell, high-temperature gas is flowed into from the high-temperature gas entrance of the heat exchanger tube right end of high temperature section, and the heat exchanger tube for flowing to low-temperature zone is left
The high-temperature gas at end exports；After organic exhaust gas entrance that organic exhaust gas is arranged from the shell of low-temperature zone enters, heat exchanger tube it
Between gap turbulent flow flow to the right, after being exchanged heat with the high-temperature gas in heat exchanger tube, what is be arranged from the shell of high temperature section has
Machine waste gas outlet outflow, to complete heat exchange in convection current.
Preferably, the shell be open column shape, the low-temperature zone, middle-temperature section, high temperature section enclosure interior be respectively equipped with
Wind deflector G, H, I, the section of the shell are circular ring shape, and wind deflector is welded in shell middle position for semicircle, partition-type
At lower half circle, wind deflector is equipped with equally distributed through-hole, and the through-hole that the heat exchanger tube at lower half circle passes through wind deflector is fixedly mounted；
Wind deflector supports lower half circular portion heat exchanger tube, prevents heat exchanger tube from sinking；After wind deflector and heat exchanger tube installation connection, organic exhaust gas exists
It is blocked at semicircle wind deflector, action of turbulent flow can be played, and guided and slowly flowed at the upper semi-circle that gas is never blocked, filled
Divide heat exchange.
Preferably, the organic exhaust gas entrance, organic exhaust gas outlet are opened in low temperature piece housing, high temperature piece housing respectively
Below cylindrical sides, the organic exhaust gas for cooperatively forming multiple complications with wind deflector flows to channel, to make organic exhaust gas in shell
The flowing of more abundant, long-acting circulation passage and longer time is formed, between heat exchanger tube in vivo to increase the efficiency of heat exchange.
To ensure leakproofness, while preferably heat exchanger tube being fixed on shell, it is preferred that the shell of the middle-temperature section
Left side plate, right end plate are respectively to be equipped with the semicircle of equally distributed through-hole, at the upper semi-circle of shell, changing at upper semi-circle
Through-hole of the heat pipe in the left side plate, right end plate of the shell of middle-temperature section is fixedly mounted, and organic exhaust gas is in the shell for flowing through middle-temperature section
When the left side plate of body, right end plate, stopped jointly at upper semi-circle by heat exchanger tube and end plate, around end plate to the lower half not being blocked
It is flowed at circle, to more preferably, the more time more fully be exchanged heat with high-temperature gas.
Preferably, the low-temperature zone, middle-temperature section, high temperature section heat exchanger tube be seamlessly connected between each other, before ensuring processing
Gas absolutely separates afterwards, prevents untreated organic exhaust gas and enters exhaust pipe.
The gas generated after being decomposed in exhaust gas decomposer due to organic exhaust gas is high-temperature gas, and thermal energy is expelled directly out
It is unfavorable for energy-saving and emission-reduction and protection environment, it is preferred that the gases exit line of the high-temperature gas entrance and exhaust gas decomposer
Connection realizes recycling for thermal energy to be introduced directly into the high temperature heat of the gas after organic exhaust gas decomposes.
For the energy-saving and emission-reduction for realizing entire VOCs treatment process, improving heat exchanging efficiency to the maximum extent, it is preferred that institute
High-temperature gas is stated to control from the temperature that high-temperature gas entrance enters heat exchanger at 800 ± 20 DEG C, organic exhaust gas entrance IN1 input
The temperature of organic exhaust gas is controlled at 50 ± 10 DEG C.
Compared with prior art, the utility model has the beneficial effects that Efficient high-temperature gas described in the utility model changes
Hot device, is mainly used on organic waste gas treatment equipment, and 50 DEG C or so of organic exhaust gas can be directly increased to 700 by heat exchange by it
DEG C or so, greatly approached the temperature that organic exhaust gas decomposes 800 DEG C of needs completely has to effectively increase heat exchange efficiency
Conducive to realization energy-saving and emission-reduction, reduce operation cost of enterprises.
Detailed description of the invention
Fig. 1 is the combining structure schematic diagram of the utility model embodiment；
Fig. 2 is the utility model embodiment low-temperature zone structural schematic diagram；
Fig. 3 is the utility model embodiment low-temperature zone left side plate structural schematic diagram；
Fig. 4 is the utility model embodiment low-temperature zone right end plate structural schematic diagram；
Fig. 5 is the utility model embodiment middle-temperature section structural schematic diagram；
Fig. 6 is the utility model embodiment middle-temperature section left side plate structural schematic diagram；
Fig. 7 is the utility model embodiment middle-temperature section right end plate structural schematic diagram；
Fig. 8 is the utility model embodiment high temperature section structural schematic diagram；
Fig. 9 is the utility model embodiment high temperature section left side plate structural schematic diagram；
Figure 10 is the utility model embodiment high temperature section right end plate structural schematic diagram；
Figure 11 is the utility model embodiment air damper structure schematic diagram；Wherein: 1. low-temperature zones, 2. middle-temperature sections, 3. high temperature
Section, 4. heat exchanger tubes, IN1. organic exhaust gas entrance, the outlet of OUT1. organic exhaust gas, IN2. high-temperature gas entrance, OUT2. high-temperature gas
Outlet, A. low-temperature zone left side plate, B. low-temperature zone right end, C. middle-temperature section left side plate, D. middle-temperature section right end plate, E. high temperature section left end,
F. high temperature section right end plate, G, H, I. wind deflector.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig.1 shown in-Figure 11, a kind of Efficient high-temperature gas heat exchanger, including it is successively interconnected low from left to right
Temperature section 1, middle-temperature section 2 and high temperature section 3, the low-temperature zone 1, middle-temperature section 2, high temperature section 3 respectively include shell and set on its inside
Heat exchanger tube 4, the left head side of the shell of the low-temperature zone 1 are equipped with organic exhaust gas entrance IN1, and the right head side of the shell of high temperature section 3 is set
There is organic exhaust gas to export OUT1, organic exhaust gas is flowed into from organic exhaust gas entrance IN1, from organic exhaust gas outlet OUT1 stream after heat absorption
Out, 4 right end of heat exchanger tube of the high temperature section 3 is equipped with high-temperature gas entrance IN2,4 left end of heat exchanger tube of low-temperature zone 1 is equipped with high temperature
Gas vent OUT2, high-temperature gas are flowed into from high-temperature gas entrance IN2, after high-temperature gas discharges heat, are exported from high-temperature gas
OUT2 discharge.Here, high-temperature gas flows from right to left in heat exchanger tube 4, the organic exhaust gas of low temperature heat exchanger tube 4 and shell it
Between flow from left to right, the two formed convection current whole situation, sufficiently exchange heat in three sections of heat exchangers.
The synthesis heat exchange property of relatively general light pipe, multi-start helical tubes is more superior, and the heat exchanger tube 4 uses multi-head spiral
Pipe, makes gas exchange heat in a manner of turbulent, and heat exchange area is big, and heat exchange efficiency is high, and here, the head number of multi-start helical tubes is 8, and groove depth is
5mm, helical angle is 45 degree, to obtain optimal heat transfer effect.
The 1 left side plate A of low-temperature zone, 3 right end plate F of high temperature section are respectively equipped with corresponding equally distributed through-hole, Duo Genhuan
Heat pipe 4 is each passed through low-temperature zone 1, the through-hole of high temperature section 3 is fixedly connected with shell using Tubesheet Welding, and more heat exchanger tubes 4 uniformly divide
It is distributed in shell, high-temperature gas is flowed into from the high-temperature gas entrance IN2 of 4 right end of heat exchanger tube of high temperature section 3, flows to low-temperature zone 1
The high-temperature gas of 4 left end of heat exchanger tube exports OUT2；The organic exhaust gas entrance IN1 that organic exhaust gas is arranged from the shell of low-temperature zone 1
After, the gap turbulent flow between heat exchanger tube 4 flows to the right, after being exchanged heat with the high-temperature gas in heat exchanger tube 4, from high temperature
The organic exhaust gas outlet OUT1 outflow being arranged on the shell of section 3, to complete heat exchange in convection current.
The shell is open column shape, the low-temperature zone 1, middle-temperature section 2, high temperature section 3 enclosure interior be respectively equipped with and keep out the wind
Plate G, H, I, the section of the shell are circular ring shape, and wind deflector G, H, I are welded in shell middle position for semicircle, partition-type
At lower half circle, wind deflector G, H, I are equipped with equally distributed through-hole, and the heat exchanger tube 4 at lower half circle is across the logical of wind deflector G, H, I
Hole is fixedly mounted；Wind deflector G, H, I support lower half circular portion heat exchanger tube 4, prevent heat exchanger tube 4 from sinking；Wind deflector G, H, I with change
After the installation connection of heat pipe 4, organic exhaust gas is blocked at semicircle wind deflector G, H, I, can play action of turbulent flow, and guide gas
Never it slowly flows at the upper semi-circle being blocked, sufficiently exchanges heat.
The organic exhaust gas entrance IN1, organic exhaust gas outlet OUT1 are opened in 1 shell of low-temperature zone, 3 shell of high temperature section respectively
Cylindrical sides below, channel is flowed to wind deflector G, H, I organic exhaust gas for cooperatively forming multiple complications, to make organic waste
Gas is in the flowing for forming more abundant, long-acting circulation passage and longer time in shell between heat exchanger tube 4, to increase heat exchange
Efficiency.
To ensure leakproofness, while preferably heat exchanger tube 4 being fixed on shell, the left end of the shell of the middle-temperature section 2
Plate C, right end plate D are respectively the semicircle for being equipped with equally distributed through-hole, the heat exchange at the upper semi-circle of shell, at upper semi-circle
Pipe 4 passes through the through-hole on left side plate C, the right end plate D of the shell of middle-temperature section 2 and is fixedly mounted, and organic exhaust gas is flowing through middle-temperature section 2
When left side plate C, the right end plate D of shell, stopped jointly at upper semi-circle by heat exchanger tube 4 and end plate C, D, bypasses end plate C, D respectively
It flows to the lower half circle not being blocked, to increase heat exchange stroke, with the more preferable, more time is carried out more with high-temperature gas
Fully exchange heat.
The seamless connection between each other of heat exchanger tube 4 of the low-temperature zone 1, middle-temperature section 2, high temperature section 3, to ensure gas before and after the processing
Body absolutely separates, and prevents untreated organic exhaust gas and enters exhaust pipe.Here, low-temperature zone right end B and middle-temperature section left side plate C
Seamless welding, middle-temperature section right end plate D and high temperature section left end E seamless welding, seamless connection use and shake weldering mode seamless welding.
The gas generated after being decomposed in exhaust gas decomposer due to organic exhaust gas is high-temperature gas, and thermal energy is expelled directly out
It is unfavorable for energy-saving and emission-reduction and protection environment, the high-temperature gas entrance IN2 is connect with the gases exit line of exhaust gas decomposer,
To be introduced directly into the high temperature heat of the gas after organic exhaust gas decomposes, recycling for thermal energy is realized.
Data test is carried out it is found that under the same conditions to the present embodiment:
800 DEG C of high-temperature gas enters heat exchanger from high-temperature gas entrance IN2, can will be inputted by organic exhaust gas entrance IN1
50 DEG C of cryogenic gas be increased to 700 DEG C by organic exhaust gas outlet OUT1 discharge.After 700 DEG C of organic exhaust gas enters high temperature furnace
Continue to be heated to 800 DEG C or so to decompose completely, the high-temperature gases after decomposition are discharged by high temperature furnace, through high-temperature gas entrance IN2 into
Enter heat exchanger, from high-temperature gas outlet OUT2 discharge after heat release.
The present embodiment can be used on the organic waste gas treatment equipment of Rong Ke environmental protection equipment Co., Ltd, Huizhou City, it can be 50
DEG C or so organic exhaust gas be directly increased to 700 DEG C or so by heat exchange, and organic exhaust gas decomposes the temperature of 800 DEG C of needs completely
It spends, therefore be increased to 800 degrees Celsius by 700 DEG C only to increase 100 DEG C only, can only be increased to by 50 DEG C with traditional heat exchangers
500 DEG C are compared, and substantially increase heat exchange efficiency, while energy consumption substantially reduces.
Temperature detection, concrete condition are carried out to the present embodiment are as follows:
Organic exhaust gas entrance IN1 temperature: 50 DEG C；
Organic exhaust gas outlet OUT1 temperature: 700 DEG C；
High-temperature gas entrance IN2 temperature: 802 DEG C；
High-temperature gas outlet OUT2 temperature: 103 DEG C；
It is found that the heat exchange efficiency of the present embodiment is about (700-50)/802=81%.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (9)
1. a kind of Efficient high-temperature gas heat exchanger, which is characterized in that including successively low-temperature zone interconnected, medium temperature from left to right
Section and high temperature section, the low-temperature zone, middle-temperature section, high temperature section respectively include shell and set on its internal heat exchanger tube, the low temperature
The left head side of shell of section is equipped with organic exhaust gas entrance, and the right head side of the shell of high temperature section is exported equipped with organic exhaust gas, organic waste
Gas is flowed into from organic exhaust gas entrance, is exported and is flowed out from organic exhaust gas after heat absorption, and the heat exchanger tube right end of the high temperature section is equipped with high temperature
Gas access, low-temperature zone heat exchanger tube left end equipped with high-temperature gas export, high-temperature gas from high-temperature gas entrance flow into, High Temperature Gas
After body discharges heat, exports and be discharged from high-temperature gas.
2. Efficient high-temperature gas heat exchanger according to claim 1, which is characterized in that the heat exchanger tube uses multi-head spiral
Pipe.
3. Efficient high-temperature gas heat exchanger according to claim 2, which is characterized in that the head number of multi-start helical tubes is 8, slot
Depth is 5mm, and helical angle is 45 degree.
4. Efficient high-temperature gas heat exchanger according to claim 1, which is characterized in that the low-temperature zone left side plate, high temperature
Section right end plate is respectively equipped with corresponding equally distributed through-hole, more heat exchanger tubes be each passed through low-temperature zone, high temperature section through-hole with
Shell is fixedly connected using Tubesheet Welding, and more heat exchanger tubes are uniformly distributed in shell, and the heat exchanger tube of high-temperature gas from high temperature section is right
The high-temperature gas entrance at end flows into, and flows to the high-temperature gas outlet of the heat exchanger tube left end of low-temperature zone；Organic exhaust gas is from low-temperature zone
After the organic exhaust gas entrance being arranged on shell enters, the gap turbulent flow between heat exchanger tube flows to the right, with the height in heat exchanger tube
After wet body is exchanged heat, heat exchange is completed in the organic exhaust gas outlet outflow being arranged from the shell of high temperature section in convection current.
5. Efficient high-temperature gas heat exchanger according to claim 4, which is characterized in that the shell is open column shape, institute
State low-temperature zone, middle-temperature section, high temperature section enclosure interior be respectively equipped with wind deflector, the section of the shell is circular ring shape, wind deflector
It is welded at the lower half circle in shell middle position for semicircle, partition-type, wind deflector is equipped with equally distributed through-hole, lower half circle
The through-hole that the heat exchanger tube at place passes through wind deflector is fixedly mounted；Wind deflector supports lower half circular portion heat exchanger tube；Wind deflector and heat exchanger tube
After installation connection, organic exhaust gas is blocked at semicircle wind deflector, and is guided slow at the upper semi-circle that gas is never blocked
Flowing sufficiently exchanges heat.
6. Efficient high-temperature gas heat exchanger according to claim 5, which is characterized in that the organic exhaust gas entrance, organic
Waste gas outlet is opened in respectively below the cylindrical sides of low temperature piece housing, high temperature piece housing, is cooperatively formed with wind deflector multiple
Tortuous organic exhaust gas flows to channel.
7. Efficient high-temperature gas heat exchanger according to claim 6, which is characterized in that the left end of the shell of the middle-temperature section
Plate, right end plate are respectively to be equipped with the semicircle of equally distributed through-hole, the heat exchanger tube at the upper semi-circle of shell, at upper semi-circle
Through-hole in the left side plate, right end plate of the shell of middle-temperature section is fixedly mounted, and organic exhaust gas is in the shell for flowing through middle-temperature section
When left side plate, right end plate, stopped jointly at upper semi-circle by heat exchanger tube and end plate, around end plate at the lower half circle not being blocked
Flowing.
8. Efficient high-temperature gas heat exchanger according to claim 7, which is characterized in that the low-temperature zone, middle-temperature section, high temperature
The heat exchanger tube of section is seamlessly connected between each other；Low-temperature zone right end and middle-temperature section left side plate seamless welding, middle-temperature section right end plate and height
Temperature section left end seamless welding.
9. Efficient high-temperature gas heat exchanger described in any one of -8 according to claim 1, which is characterized in that the High Temperature Gas
Body entrance is connect with the gases exit line of exhaust gas decomposer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821026233.9U CN208751333U (en) | 2018-06-29 | 2018-06-29 | A kind of Efficient high-temperature gas heat exchanger |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821026233.9U CN208751333U (en) | 2018-06-29 | 2018-06-29 | A kind of Efficient high-temperature gas heat exchanger |
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| Publication Number | Publication Date |
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| CN208751333U true CN208751333U (en) | 2019-04-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108592661A (en) * | 2018-06-29 | 2018-09-28 | 惠州市溶科环保科技有限公司 | A kind of Efficient high-temperature gas heat exchanger |
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2018
- 2018-06-29 CN CN201821026233.9U patent/CN208751333U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108592661A (en) * | 2018-06-29 | 2018-09-28 | 惠州市溶科环保科技有限公司 | A kind of Efficient high-temperature gas heat exchanger |
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