CN208187193U - A kind of high-efficiency helical pipe gas cooler - Google Patents
A kind of high-efficiency helical pipe gas cooler Download PDFInfo
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- CN208187193U CN208187193U CN201820622833.5U CN201820622833U CN208187193U CN 208187193 U CN208187193 U CN 208187193U CN 201820622833 U CN201820622833 U CN 201820622833U CN 208187193 U CN208187193 U CN 208187193U
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Abstract
The utility model discloses a kind of high-efficiency helical pipe gas coolers, including cooling body, gas inlet, gas exit, it further include waste heat exhausting section, circulating water section, low temperature water cooling section, the gas inlet is set to cooling body upper end, gas exit is set to cooling body lower end, waste heat exhausting section is provided close to the cooling body top of gas inlet, circulating water section is set in the middle part of cooling body, low temperature water cooling section is provided close to gas exit upper position, the waste heat exhausting section, circulating water section, helix tube is respectively adopted as heat exchanger tube in low temperature water cooling section, the lower end of waste heat exhausting section is connect with waste heat recovering medium import, upper end and the outlet of waste heat recovering medium connect, circulating water section lower end is connect with circulating water intake, upper end is connect with circulating water outlet, low temperature water cooling section lower end is connect with low temperature water inlet , upper end and low temperature water out connect.The flow resistance of medium is low in the utility model pipe, and heat exchange efficiency is high.
Description
Technical field
The utility model relates to the cooling equipment technical fields of coking industry raw coke oven gas more particularly to a kind of each according to primary cooler
The different operating conditions of a cooling section are to improve the high-efficiency helical pipe gas cooler of cooling efficiency.
Background technique
In the prior art, the enlargement of the cooling equipment of coking industry raw coke oven gas and process unit is the inexorable trend of development,
Separate unit heat exchange area is single up to 9600 ㎡ till now from initial 2000 ㎡ of separate unit heat exchange area for the coal gas primary cooler of coking industry
Platform weight of equipment is up to about the ultra-large type heat exchange equipment of 420 tons/platform.The problem that the equipment belt of this enlargement comes is equipment knot
Structure is complicated, manufacturing cost increases, it has not been convenient to transport, to installation and debugging, production and application and maintenance and repair etc. bring many difficulties and
Inconvenience, the kinetic equation loss of equipment operation, cost, occupied area increase.
In order to reduce the kinetic equation loss and manufacturing cost of equipment operation, facilitates manufacture and transport installation, need to improve equipment
The coefficient of heat transfer, to reduce the heat exchange area of equipment, while reducing equipment volume.
Utility model content
The utility model aiming at deficiencies of the prior art, provide it is a kind of it is high-efficient, energy saving, convenient for system
The high-efficiency helical pipe gas cooler made, transport and installed and used.The utility model using helix tube as heat exchanger tube, change by reduction
Heat area improves heat exchange efficiency.
The technical solution of the utility model is as follows:
A kind of high-efficiency helical pipe gas cooler, including cooling body, gas inlet, gas exit further include that waste heat returns
Section, circulating water section, low temperature water cooling section are received, the gas inlet is set to cooling body upper end, and gas exit is set to cooling
Body lower end, waste heat exhausting section are provided close to the cooling body top of gas inlet, and circulating water section is set in cooling body
Portion, low temperature water cooling section are provided close to gas exit upper position, the waste heat exhausting section, circulating water section, low temperature water cooling
But helix tube is respectively adopted as heat exchanger tube in section, the lower end of waste heat exhausting section and waste heat recovering medium import connection, upper end with it is remaining
The connection of recuperation of heat media outlet, circulating water section lower end is connect with circulating water intake, upper end and circulating water outlet connect, low temperature
Water cooling section lower end is connect with low temperature water inlet, upper end and low temperature water out connect.
The waste heat exhausting section is using single head twill helix tube as heat exchanger tube, the cooling circulating water section of the coal gas
Using single head straight grain helix tube as heat exchanger tube, the cooling low temperature water cooling section of the coal gas uses the pipe conduct of bull bidirectional screw
Heat exchanger tube.
The helix tube is formed on light pipe with pipe internal projection and the outer groove being recessed of pipe；Wherein single thread pipe passes through
Compacting squeezes, makes the scroll for forming protrusion inside light pipe.To increase the turbulent extent of heat exchange pipe internal surface, heat transfer is improved
Coefficient.
The groove can be using the ring-shaped groove or equidistant straight ring-shaped groove of spiral.
Helicla flute rotation direction on the bull bidirectional screw pipe is arranged in pairs, and bull bidirectional screw pipe is by being compressed on light pipe
Inside forms the symmetric helix protrusion of different rotation directions.Single thread pipe is reduced by the rib of the symmetric helix protrusion of different rotation directions
Medium rotation phenomenon in bring pipe, to reduce the flow resistance of medium in pipe.
The single head twill helix tube, single head straight grain helix tube, bull bidirectional screw pipe use metal tube or nonmetallic
Pipe.
The beneficial effects of the utility model
The high-efficiency helical pipe gas cooler of the utility model, since waste heat exhausting section therein uses single head twill spiral
Pipe is as heat exchanger tube, and using single head straight grain helix tube as heat exchanger tube, coal gas cools down low the circulating water section that coal gas cools down
Warm water cooling section using bull bidirectional screw pipe as heat exchanger tube, when work, the coal gas of the coal gas of 82~83 DEG C of temperature from top
Import enters, and is successively cooled to 22~23 DEG C of temperature after waste heat exhausting section, circulating water section, low temperature water cooling section are cooling
It is discharged from the gas exit of lower part, since saturation has a large amount of vapor in the waste heat exhausting section coal gas of residual heat high-temperature, adopts afterwards
Cooling effect is increased so that the cooling process of circulating water section is long with single head twill helix tube；Using single head straight grain spiral shell
Coil can guarantee higher heat transfer coefficient and relatively small resistance, equally improve cooling efficiency as heat exchanger tube；Separately
Outside, due to being substantially free of water vapour in low temperature water cooling section coal gas, belonging to gas and water heat exchange, gas side heat transfer coefficient is very low,
So making heat exchanger tube using bull bidirectional screw pipe, gas side heat-transfer effect can be strengthened, heat exchange area is reduced, improves heat exchange efficiency
With the coefficient of heat transfer of equipment, the kinetic equation loss and manufacturing cost of equipment operation are reduced, facilitates manufacture and transport installation, needs to improve
The coefficient of heat transfer of equipment reduces the heat exchange area of equipment with this.The present invention uses high-efficiency helical pipe changing as coal gas primary cooler
Thermal element substitutes existing smooth heat exchanger tube, and the coefficient of heat transfer can be improved 20%~40%, and heat exchange area increases by 10%, equally
The coal gas primary cooler weight of processing capacity can reduce by 30%~50%, and the kinetic equation loss of equipment operation reduces 5%.
2. having the spiral tube structure of pipe internal projection and the outer groove being recessed of pipe, single thread pipe by being formed on light pipe
By the scroll for suppressing or squeezing, make to form protrusion inside light pipe, the turbulent extent of heat exchange pipe internal surface is increased, improves and passes
Hot coefficient improves heat exchange efficiency.
3. bull bidirectional screw pipe is by being compressed on light since the helicla flute rotation direction on bull bidirectional screw pipe is arranged in pairs
The symmetric helix protrusion of different rotation directions is formed inside pipe, the rib of the symmetric helix protrusion of different rotation directions can effectively reduce single head spiral shell
Medium rotation phenomenon in coil bring pipe improves heat exchange efficiency to reduce the flow resistance of medium in pipe.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is single head twill spiral tube structure schematic diagram；
Fig. 3 is single head straight grain spiral tube structure schematic diagram；
Fig. 4 is bull bidirectional screw pipe structural schematic diagram；
In figure: 1, gas inlet, 2, waste heat exhausting section, 3, circulating water section, 4, low temperature water cooling section, 5, coal gas goes out
Mouthful, 6, single head twill helix tube, 7, single head straight grain helix tube, 8, bull bidirectional screw pipe, 9, low temperature water inlet, 10, water at low temperature
Outlet, 11, circulating water intake, 12, circulating water outlet, 13, waste heat recovering medium import, 14, the outlet of waste heat recovering medium.
Specific embodiment
In conjunction with Fig. 1 to Fig. 4, a kind of high-efficiency helical pipe gas cooler, including cooling body, gas inlet 1, waste heat recycling
Section 2, circulating water section 3, low temperature water cooling section 4, gas exit 5, the gas inlet 1 are set to cooling body upper end, coal gas
Outlet 5 is set to cooling body lower end, and waste heat exhausting section 2 is provided close to the cooling body top of gas inlet 1, circulating water section
3 are set in the middle part of cooling body, and low temperature water cooling section 4 is provided close to 5 upper position of gas exit, the waste heat exhausting section 2, circulation
Water cooling section 3, low temperature water cooling section 4 are respectively adopted helix tube 8 and recycle as heat exchanger tube, the lower end of waste heat exhausting section 2 and waste heat
14 connection of the connection of medium entrance 13, upper end and the outlet of waste heat recovering medium, 3 lower end of circulating water section and circulating water intake 11 connect
It connects, the connection of upper end and circulating water outlet 12,4 lower end of low temperature water cooling section connect with low temperature water inlet 9, upper end and low temperature water out
10 connections.
The waste heat exhausting section 2 is used as heat exchanger tube, the cooling circulating water of the coal gas using single head twill helix tube 6
Section 3 is used as heat exchanger tube using single head straight grain helix tube 7, and the cooling low temperature water cooling section 4 of the coal gas uses bull bidirectional screw
Pipe 8 is used as heat exchanger tube.
The helix tube is formed on light pipe by way of extruding has pipe internal projection and the outer groove being recessed of pipe.Wherein
Single thread pipe is by suppressing or squeezing, make the scroll of formation protrusion inside light pipe, to increase the rapids for the pipe internal surface that exchanges heat
Process degree improves heat transfer coefficient.
The groove can be using the ring-shaped groove or equidistant straight ring-shaped groove of spiral.
Helicla flute rotation direction on the bull bidirectional screw pipe is arranged in pairs, and bull bidirectional screw pipe is by being compressed on light pipe
Inside forms the symmetric helix protrusion of different rotation directions.Single thread pipe is reduced by the rib of the symmetric helix protrusion of different rotation directions
Medium rotation phenomenon in bring pipe, to reduce the flow resistance of medium in pipe.
The single head twill helix tube 6, single head straight grain helix tube 7, bull bidirectional screw pipe 8 use metal tube or non-gold
Belong to pipe.
The high-efficiency helical pipe gas cooler of the utility model, since waste heat exhausting section 2 therein uses single head twill spiral shell
Coil 6 is used as heat exchanger tube, and the cooling circulating water section 3 of coal gas is used as heat exchanger tube using single head straight grain helix tube 7, and coal gas is cooling
Low temperature water cooling section 4 heat exchanger tube is used as using bull bidirectional screw pipe 8, when work, the coal gas of 82~83 DEG C of temperature is from top
Gas inlet 1 enter, be successively cooled to 22 after waste heat exhausting section 2, circulating water section 3, low temperature water cooling section 4 are cooling
Equipment is left from the gas exit 5 of lower part after~23 DEG C of temperature.Have due to being saturated in 2 coal gas of waste heat exhausting section of residual heat high-temperature
A large amount of vapor, using single head twill helix tube 6, so that the cooling process of circulating water section 3 is long；Using single head straight grain spiral shell
Coil 7 is used as heat exchanger tube, can guarantee higher heat transfer coefficient and relatively small resistance；Due to 4 coal gas of low temperature water cooling section
In be substantially free of water vapour, belong to gas and water exchange heat, gas side heat transfer coefficient is very low, so using bull bidirectional screw pipe 8
Make heat exchanger tube, gas side heat-transfer effect can be strengthened, reduces heat exchange area.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of high-efficiency helical pipe gas cooler, including cooling body, gas inlet, gas exit, characterized in that further include
Waste heat exhausting section, circulating water section, low temperature water cooling section, the gas inlet are set to cooling body upper end, and gas exit is set
In cooling body lower end, waste heat exhausting section is provided close to the cooling body top of gas inlet, and circulating water section is set to cooling
In the middle part of body, low temperature water cooling section is provided close to gas exit upper position, the waste heat exhausting section, circulating water section, low
Helix tube is respectively adopted as heat exchanger tube in warm water cooling section, the lower end of waste heat exhausting section connect with waste heat recovering medium import, on
End is connected with the outlet of waste heat recovering medium, and circulating water section lower end is connect with circulating water intake, upper end and circulating water outlet connect
It connects, low temperature water cooling section lower end is connect with low temperature water inlet, upper end and low temperature water out connect.
2. a kind of high-efficiency helical pipe gas cooler as described in claim 1, characterized in that the waste heat exhausting section is using single
Head twill helix tube is as heat exchanger tube, and the cooling circulating water section of the coal gas is using single head straight grain helix tube as heat exchange
Pipe, the cooling low temperature water cooling section of the coal gas is using bull bidirectional screw pipe as heat exchanger tube.
3. a kind of high-efficiency helical pipe gas cooler as described in claim 1, characterized in that helix tube shape on light pipe
At with pipe internal projection and the outer groove being recessed of pipe；Wherein single thread pipe is convex by suppressing or squeezing, make to be formed inside light pipe
The scroll risen.
4. a kind of high-efficiency helical pipe gas cooler as claimed in claim 3, characterized in that the groove can use spiral
Ring-shaped groove or equidistant straight ring-shaped groove.
5. a kind of high-efficiency helical pipe gas cooler as claimed in claim 2, characterized in that on the bull bidirectional screw pipe
Helicla flute rotation direction be arranged in pairs, bull bidirectional screw pipe by be compressed on formed inside light pipe different rotation directions symmetric helix it is convex
It rises.
6. a kind of high-efficiency helical pipe gas cooler as claimed in claim 2, characterized in that the single head twill helix tube,
Single head straight grain helix tube, bull bidirectional screw pipe use metal tube or non-metallic pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820622833.5U CN208187193U (en) | 2018-04-27 | 2018-04-27 | A kind of high-efficiency helical pipe gas cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820622833.5U CN208187193U (en) | 2018-04-27 | 2018-04-27 | A kind of high-efficiency helical pipe gas cooler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208187193U true CN208187193U (en) | 2018-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820622833.5U Active CN208187193U (en) | 2018-04-27 | 2018-04-27 | A kind of high-efficiency helical pipe gas cooler |
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| CN (1) | CN208187193U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114058773A (en) * | 2021-11-04 | 2022-02-18 | 江苏天洁环境工程有限公司 | Efficient purifying and dedusting system and method for converter gas |
-
2018
- 2018-04-27 CN CN201820622833.5U patent/CN208187193U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114058773A (en) * | 2021-11-04 | 2022-02-18 | 江苏天洁环境工程有限公司 | Efficient purifying and dedusting system and method for converter gas |
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