CN202692778U - Flue gas waste heat recovery device - Google Patents
Flue gas waste heat recovery device Download PDFInfo
- Publication number
- CN202692778U CN202692778U CN 201220362198 CN201220362198U CN202692778U CN 202692778 U CN202692778 U CN 202692778U CN 201220362198 CN201220362198 CN 201220362198 CN 201220362198 U CN201220362198 U CN 201220362198U CN 202692778 U CN202692778 U CN 202692778U
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- flue gas
- pipe
- heat exchange
- water storage
- exchange tank
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Abstract
The utility model relates to a flue gas waste heat recovery device. At present, the flue gas waste heat recovery device which has simple structure, reasonable design and high waste heat recovery rate of flue gas and is beneficial for the energy saving and the environment friendliness is unavailable. The flue gas waste heat recovery device is characterized by comprising a water storage heat exchange tank, a liquid level meter, a flue gas inlet pipe, a flue gas outlet pipe, a water inlet pipe, a water outlet pipe, an overflow pipe, a drain pipe, a sewage discharge pipe and multiple heat exchange pipes, wherein the multiple heat exchange pipes are all arranged in the water storage heat exchange tank, the flue gas inlet pipe and the flue gas outlet pipe are respectively and fixedly arranged at two ends of the water storage heat exchange tank, the flue gas inlet pipe and the flue gas outlet pipe are respectively communicated with two ends of the heat exchange pipes, the water inlet pipe and the water outlet pipe are respectively and fixedly arranged at the top part and the bottom part of the water storage heat exchange tank, the overflow pipe is fixedly arranged on the upper part of the water storage heat exchange tank, the drain pipe and the sewage discharge pipe are respectively and fixedly arranged at the top part and the bottom part of the water storage heat exchange tank, and the liquid level meter is arranged on the water storage heat exchange tank. The flue gas waste heat recovery device disclosed by the utility model has the advantages that the structural design is reasonable, the waste heat recovery rate of the flue gas is high, and the energy saving and the environment friendliness are facilitated.
Description
Technical field
The utility model relates to a kind of waste-heat recovery device, especially relates to a kind of device for recovering excess heat of flue gas, is mainly used in the heat in the flue gas that recovery boiler discharges.
Background technology
At present, the use of boiler in factory is comparatively general, and boiler contains higher waste heat in the flue gas that produces when operation, generally, the temperature of the flue gas of discharging from boiler is at 220 degrees centigrade, and the flue gas that boiler produces directly enters in the atmosphere, and the waste heat that causes flue gas to be carried also directly is drained in the atmosphere, not only caused air pollution, be unfavorable for environmental protection, and reduced the utilization rate of the energy, be unfavorable for energy-conservation.Also do not have now a kind of simple in structurely, reasonable in design, the waste heat recovery rate of flue gas is high, is conducive to the device for recovering excess heat of flue gas of energy-conserving and environment-protective.
The utility model content
The purpose of this utility model is to overcome above shortcomings in the prior art, and a kind of reasonable in design is provided, and the waste heat recovery rate of flue gas is high, is conducive to the device for recovering excess heat of flue gas of energy-conserving and environment-protective.
The technical scheme in the invention for solving the above technical problem is: the design feature of this device for recovering excess heat of flue gas is: comprise the water storage heat exchange tank, liquid level gauge, advance fume pipe, the smoke evacuation tracheae, water inlet pipe, outlet pipe, overflow pipe, evacuated tube, blow-off pipe and several heat-exchange tube, described several heat-exchange tube is installed in the water storage heat exchange tank, describedly enter the two ends that fume pipe and smoke evacuation tracheae are separately fixed at the water storage heat exchange tank, this advances fume pipe and the smoke evacuation tracheae is connected with the two ends of heat-exchange tube respectively, described water inlet pipe and outlet pipe are separately fixed at top and the bottom of water storage heat exchange tank, described overflow pipe is fixed on the top of water storage heat exchange tank, described evacuated tube and blow-off pipe are separately fixed at top and the bottom of water storage heat exchange tank, and described liquid level gauge is installed on the water storage heat exchange tank.
As preferably, the quantity of heat-exchange tube described in the utility model is between the 10-50 root.
As preferably, the horizontal structure of heat-exchange tube described in the utility model.
The utility model compared with prior art, have the following advantages and effect: simple in structure, reasonable in design, the waste heat recovery rate of flue gas is high, and the flue gas of discharging from boiler needs the water of heating to pass through successively water inlet pipe, water storage heat exchange tank and outlet pipe successively through advancing fume pipe, heat-exchange tube and smoke evacuation tracheae, flue gas and the water that needs to heat carry out exchange heat by heat-exchange tube, so that water temperature raises, the temperature of flue gas reduces, thereby reaches the purpose of recovery waste heat.
Description of drawings
Fig. 1 is the main TV structure schematic diagram of device for recovering excess heat of flue gas among the utility model embodiment.
Fig. 2 is the sectional structure schematic diagram of A-A face among Fig. 1.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing and by embodiment, and following examples are to explanation of the present utility model and the utility model is not limited to following examples.
Embodiment.
Referring to Fig. 1 to Fig. 2, device for recovering excess heat of flue gas in the present embodiment comprises water storage heat exchange tank 1, liquid level gauge 2, advances fume pipe 3, smoke evacuation tracheae 4, water inlet pipe 5, outlet pipe 6, overflow pipe 7, evacuated tube 8, blow-off pipe 9 and several heat-exchange tube 10, wherein, the quantity of heat-exchange tube 10 can arrange according to actual needs, generally, the quantity of this heat-exchange tube 10 is between the 10-50 root.
Several heat-exchange tubes 10 in the present embodiment are installed in the water storage heat exchange tank 1, and this heat-exchange tube 10 is horizontal structure all.Enter the two ends that fume pipe 3 and smoke evacuation tracheae 4 are separately fixed at water storage heat exchange tank 1 in the present embodiment, this advances fume pipe 3 and smoke evacuation tracheae 4 is connected with the two ends of heat-exchange tube 10 respectively, when flue gas after advance fume pipe 3 and enter, flow along heat-exchange tube 10 again, discharge from smoke evacuation tracheae 4 at last, so that the efficient of heat exchange is higher.
Device for recovering excess heat of flue gas in the present embodiment is high to the waste heat recovery efficient of flue gas, be conducive to energy-conserving and environment-protective, generally, the water temperature at water inlet pipe place is about 15 degrees centigrade, the water temperature at outlet pipe place is about 95 degrees centigrade, be about 220 ℃ and be positioned at into the temperature of the flue gas at fume pipe place, the temperature that is positioned at the flue gas at smoke evacuation tracheae place is about 100 ℃.
In addition, need to prove, the specific embodiment described in this specification, the shape of its parts and components, institute's title of being named etc. can be different, and the above content described in this specification only is to the explanation of the utility model structure example.Allly conceive equivalence variation or the simple change that described structure, feature and principle are done according to the utility model patent, be included in the protection domain of the utility model patent.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment; only otherwise depart from structure of the present utility model or surmount this scope as defined in the claims, all should belong to protection domain of the present utility model.
Claims (3)
1. device for recovering excess heat of flue gas, it is characterized in that: comprise the water storage heat exchange tank, liquid level gauge, advance fume pipe, the smoke evacuation tracheae, water inlet pipe, outlet pipe, overflow pipe, evacuated tube, blow-off pipe and several heat-exchange tube, described several heat-exchange tube is installed in the water storage heat exchange tank, describedly enter the two ends that fume pipe and smoke evacuation tracheae are separately fixed at the water storage heat exchange tank, this advances fume pipe and the smoke evacuation tracheae is connected with the two ends of heat-exchange tube respectively, described water inlet pipe and outlet pipe are separately fixed at top and the bottom of water storage heat exchange tank, described overflow pipe is fixed on the top of water storage heat exchange tank, described evacuated tube and blow-off pipe are separately fixed at top and the bottom of water storage heat exchange tank, and described liquid level gauge is installed on the water storage heat exchange tank.
2. device for recovering excess heat of flue gas according to claim 1, it is characterized in that: the quantity of described heat-exchange tube is between the 10-50 root.
3. device for recovering excess heat of flue gas according to claim 1 is characterized in that: the horizontal structure of described heat-exchange tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220362198 CN202692778U (en) | 2012-07-25 | 2012-07-25 | Flue gas waste heat recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220362198 CN202692778U (en) | 2012-07-25 | 2012-07-25 | Flue gas waste heat recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202692778U true CN202692778U (en) | 2013-01-23 |
Family
ID=47548386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220362198 Expired - Fee Related CN202692778U (en) | 2012-07-25 | 2012-07-25 | Flue gas waste heat recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202692778U (en) |
-
2012
- 2012-07-25 CN CN 201220362198 patent/CN202692778U/en not_active Expired - Fee Related
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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: 20130123 Termination date: 20130725 |