CN201116841Y - Heat exchange device for utilizing waste heat of boiler waste gas - Google Patents
Heat exchange device for utilizing waste heat of boiler waste gas Download PDFInfo
- Publication number
- CN201116841Y CN201116841Y CNU2007200766073U CN200720076607U CN201116841Y CN 201116841 Y CN201116841 Y CN 201116841Y CN U2007200766073 U CNU2007200766073 U CN U2007200766073U CN 200720076607 U CN200720076607 U CN 200720076607U CN 201116841 Y CN201116841 Y CN 201116841Y
- Authority
- CN
- China
- Prior art keywords
- heat
- exchange tube
- pipe
- heat exchange
- water inlet
- 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.)
- Expired - Fee Related
Links
- 239000002912 waste gas Substances 0.000 title claims abstract description 23
- 239000002918 waste heat Substances 0.000 title abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 238000007599 discharging Methods 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
A heat exchange device for utilizing waste heat of boiler waste gas. It comprises a shell and a flue joint which is fixedly connected with two ends of the shell, a condensed water discharge pipe is arranged on the lower end wall of the shell, the heat exchange tube heat exchanger is characterized in that corresponding heat exchange tube supporting tube tracks are uniformly distributed on the inner walls of the front side and the rear side of the shell, a water inlet main pipe and a water outlet main pipe are respectively arranged at two ends in the front side wall of the shell, interfaces with internal threads are respectively uniformly distributed on the inner side walls of the water inlet main pipe and the water outlet main pipe, heat exchange tubes with water inlet pipes and water outlet pipes at two ends are arranged between the corresponding heat exchange tube supporting tube tracks on the inner walls of the front side and the rear side of the shell, external threads are respectively arranged at the end parts of the water inlet pipe and the water outlet pipe of each heat exchange tube, the water inlet pipe of each heat exchange tube is in threaded connection with the interface on the water inlet main pipe in the front side wall of the shell through an internal thread connector and an external. The utility model is suitable for the boiler flue.
Description
Technical field:
The utility model relates to a kind of waste gas heat utilization heat-exchange device, particularly relates to a kind of boiler waste gas UTILIZATION OF VESIDUAL HEAT IN heat-exchange device.
Background technology:
Along with the continuous enhancing of people to energy savings consciousness, also be the demand that reduces production costs simultaneously, progressively beginning to make full use of the waste heat that the energy produces, especially the boiler waste gas afterheat utilization is subjected to more and more paying attention to, the heat-exchange device of various waste gas heat utilizations is also in the continuous appearance of network, but, the most complex structure of the heat-exchange device of these waste gas heat utilizations, cost costliness, the payoff period of infusion of financial resources is long, the M R difficulty, and, be unfavorable for applying towards the user of medium and small aspect, thus, make the work of energy savings can not get well popularizing implementing, and, the work of energy savings is also stagnated.
Summary of the invention:
The purpose of this utility model is that a kind of improved boiler waste gas UTILIZATION OF VESIDUAL HEAT IN heat-exchange device will be provided, and it not only can fully realize the boiler waste gas afterheat utilization effectively, and, simple structure, cost is low, and gain quick return, is convenient to M R.
In order to realize that above-mentioned purpose the utility model proposes following design: boiler waste gas UTILIZATION OF VESIDUAL HEAT IN heat-exchange device of the present utility model has a housing and forms the flue joint that is fixedly connected with the housing two ends, the lower end wall place of described housing is provided with a drip pipe, before it is characterized in that described housing, be evenly equipped with corresponding heat-exchange tube trustship track on the inwall of rear side, two ends in the described housing front side wall are respectively equipped with one and advance, outfall sewer, describedly advance, be evenly equipped with tapped interface on the madial wall of outfall sewer respectively, before the described housing, corresponding heat-exchange tube trustship interorbital has assigned two ends to bring on the inwall of rear side, the heat-exchange tube of delivery port pipe, advancing of described heat-exchange tube, the end of delivery port pipe is respectively equipped with external screw thread, the water inlet pipe of described heat-exchange tube forms thread connection respectively by the interface on the water inlet manifold in an internal and external threads joint and the described housing front side wall, and the delivery port pipe of described heat-exchange tube forms thread connection respectively by the interface on the outfall sewer in an internal and external threads joint and the described housing front side wall.
The upper end of described outfall sewer also is extended with a safety discharging air mouth pipe.Be coated with the overcoat that is brushed with an acid-resistant and anti-high-temperature on the outer wall of described heat-exchange tube.
Because the utility model has improved existing boiler waste gas UTILIZATION OF VESIDUAL HEAT IN heat-exchange device, and installing of heat-exchange tube adopted the structure of drawer type, make maintenance, the maintenance and more change jobs simpler and easy, fast, also improved operating efficiency, simultaneously, on the outer wall of heat-exchange tube, be coated with and be brushed with a protection against acids layer, to prevent the erosion of acidic flue gas to heat-exchange tube, promptly prolonged the service life of heat-exchange tube, also set up a safety discharging air mouth pipe in the upper end of described outfall sewer, be heated the high-temperature gas that water produces and successfully obtain discharging, avoid the generation of accident so that make.In addition, simple structure, cost of manufacture is low.The utility model utilizes cheap metal material to make heat-exchange tube, thereby can be maximum utilize heat exchange area, realize making full use of of boiler waste gas waste heat, energy-saving efficiency can reach 20～30%, for example, when water temperature is 10 degrees centigrade, when 15 Wandas block the boiler chimney EGT and are 180 degrees centigrade, when the total exchange area of heat-exchange tube of the present utility model reached 7.5 square metres, leaving water temperature was 46 degrees centigrade, and the toxic emission temperature is reduced to 80 degrees centigrade, save fuel oil 25%, if continue to prolong heat-exchange tube, enlarge heat exchange area, then can further improve energy-saving efficiency.Simultaneously, the utility model reduces the flue gas temperature, and the ash sedimentation is discharged with condensed water in the waste gas, and condensed water has also been taken away sulfur in smoke simultaneously, has positive environment protection significance.
Description of drawings:
Concrete structure of the present utility model is provided by following embodiment and accompanying drawing thereof.
Fig. 1 is the schematic appearance of boiler waste gas UTILIZATION OF VESIDUAL HEAT IN heat-exchange device of the present utility model.
Fig. 2 is the structural representation of boiler waste gas UTILIZATION OF VESIDUAL HEAT IN heat-exchange device of the present utility model.
Fig. 3 is the heat-exchange tube schematic diagram of boiler waste gas UTILIZATION OF VESIDUAL HEAT IN heat-exchange device of the present utility model.
The specific embodiment:
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
With reference to Fig. 1, Fig. 2 and Fig. 3, the boiler waste gas UTILIZATION OF VESIDUAL HEAT IN heat-exchange device of this utility model is made up of a described housing 1 and 2,3 of described flue joints.Described flue joint 2,3 forms with the two ends of described housing 1 respectively and is connected and fixed, and the lower end wall place of described housing 1 is provided with a described drip pipe 15.
Be evenly equipped with corresponding heat-exchange tube trustship track 4,5 on the inwall of described housing 1 forward and backward side, 4,5 on corresponding heat-exchange tube trustship track is inserted with heat-exchange tube 12 on the inwall of described housing 1 forward and backward side, the two ends of described heat-exchange tube 12 are entery and delivery port pipe 10,11, the end of the entery and delivery port pipe 10,11 of described heat-exchange tube 12 is shaped on an external screw thread respectively, is coated with the overcoat 14 that is brushed with an acid-resistant and anti-high-temperature on the outer wall of described heat-exchange tube 12.
Two ends in described housing 1 front side wall are respectively equipped with one and advance, outfall sewer 6,7, describedly advance, outfall sewer 6, be evenly equipped with interface 8 on 7 the madial wall respectively, 9, described interface 8, respectively be shaped on an internal thread on 9 the inwall, interface 8 on the water inlet manifold 6 in described housing 1 front side wall forms thread connection with the water inlet pipe 10 on the described heat-exchange tube 12 respectively by the internal and external threads joint, interface 9 on the outfall sewer 7 in described housing 1 front side wall forms thread connection with the delivery port pipe 11 of described heat-exchange tube 12 respectively by the internal and external threads joint, and the upper end of described outfall sewer 7 also is extended with a safety discharging air mouth pipe 13.
The use of boiler waste gas UTILIZATION OF VESIDUAL HEAT IN heat-exchange device of the present utility model, and by flue joint 2,3 the other end is fixedly connected on flue, water inlet manifold 6 in described housing 1 front side wall connects with cold water pipe, outfall sewer 7 in described housing 1 front side wall connects with hot-water line, the boiler waste gas waste heat is in the described housing 1 of flowing through the time, and heat described heat-exchange tube 12, cold water from cold water pipe flowed in the inlet tube 10 of each described heat-exchange tube of arranging 12 in 8 minutes by each interface on the described water inlet manifold 6, through described heat-exchange tube 12 heated hot water promptly from conflux interface 9 on the described outfall sewer 7 of the delivery port pipe 11 of described heat-exchange tube 12, at last, be delivered to hot-water line from an end of outfall sewer 7, like this, go round and begin again.Add hot water under specific situation in the described heat-exchange tube 12, add hot water and produce gas because of high-boiling, can discharge this moment by the safety discharging air mouth pipe 13 of described outfall sewer 7 upper ends, to prevent the generation accident.
Claims (3)
1, a kind of boiler waste gas UTILIZATION OF VESIDUAL HEAT IN heat-exchange device, it comprises a housing (1) and forms the flue joint (2) that is fixedly connected with housing (1) two ends, (3), the lower end wall place of described housing (1) is provided with a drip pipe (15), it is characterized in that described housing (1) is preceding, be evenly equipped with corresponding heat-exchange tube trustship track (4) on the inwall of rear side, (5), two ends in described housing (1) front side wall are respectively equipped with one and advance, outfall sewer (6), (7), describedly advance, outfall sewer (6), (7) be evenly equipped with tapped interface (8) on the madial wall respectively, (9), described housing (1) is preceding, corresponding heat-exchange tube trustship track (4) on the inwall of rear side, (5) assigned two ends to bring between, delivery port pipe (10), (11) heat-exchange tube (12), advancing of described heat-exchange tube (12), delivery port pipe (10), (11) end is respectively equipped with external screw thread, the water inlet pipe (10) of described heat-exchange tube (12) forms thread connection respectively by the interface (8) on the water inlet manifold (6) in an internal and external threads joint and described housing (1) front side wall, and the delivery port pipe (11) of described heat-exchange tube (12) forms thread connection respectively by the interface (9) on the outfall sewer (7) in an internal and external threads joint and described housing (1) front side wall.
2, boiler waste gas UTILIZATION OF VESIDUAL HEAT IN heat-exchange device according to claim 1 is characterized in that the upper end of described outfall sewer (7) also is extended with a safety discharging air mouth pipe (13).
3, boiler waste gas UTILIZATION OF VESIDUAL HEAT IN heat-exchange device according to claim 1 is characterized in that being coated with the overcoat (14) that is brushed with an acid-resistant and anti-high-temperature on the outer wall of described heat-exchange tube (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200766073U CN201116841Y (en) | 2007-10-23 | 2007-10-23 | Heat exchange device for utilizing waste heat of boiler waste gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200766073U CN201116841Y (en) | 2007-10-23 | 2007-10-23 | Heat exchange device for utilizing waste heat of boiler waste gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201116841Y true CN201116841Y (en) | 2008-09-17 |
Family
ID=39991415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200766073U Expired - Fee Related CN201116841Y (en) | 2007-10-23 | 2007-10-23 | Heat exchange device for utilizing waste heat of boiler waste gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201116841Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106482541A (en) * | 2015-08-31 | 2017-03-08 | 中瑞新源能源科技(天津)股份有限公司 | A kind of flue gas heat recovery device of long service life |
| CN109631624A (en) * | 2018-10-17 | 2019-04-16 | 中山市思源电器有限公司 | A kind of heat-recovery water heater for boiler |
-
2007
- 2007-10-23 CN CNU2007200766073U patent/CN201116841Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106482541A (en) * | 2015-08-31 | 2017-03-08 | 中瑞新源能源科技(天津)股份有限公司 | A kind of flue gas heat recovery device of long service life |
| CN109631624A (en) * | 2018-10-17 | 2019-04-16 | 中山市思源电器有限公司 | A kind of heat-recovery water heater for boiler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080917 Termination date: 20121023 |