CN213778716U - Flue gas waste heat recovery device with automatic cleaning function - Google Patents
Flue gas waste heat recovery device with automatic cleaning function Download PDFInfo
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- CN213778716U CN213778716U CN202022778266.2U CN202022778266U CN213778716U CN 213778716 U CN213778716 U CN 213778716U CN 202022778266 U CN202022778266 U CN 202022778266U CN 213778716 U CN213778716 U CN 213778716U
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Abstract
The utility model discloses a flue gas waste heat recovery device with self-cleaning function belongs to energy equipment technical field. The device comprises a box body, wherein a cleaning mechanism and a flue gas circulating mechanism are arranged on the box body, and a heat exchange tube is arranged in the box body; the cleaning mechanism comprises a sewage tank arranged at the lower part of the tank body and a plurality of spraying tanks arranged on the side surface of the tank body; the smoke circulating mechanism comprises an air inlet pipe and an air inlet box which are arranged on one side of the box body, and an air outlet pipe and an air outlet box which are arranged on the other side of the box body; the box body is also provided with a waste heat recovery water inlet pipe and a waste heat recovery water outlet pipe, the waste heat recovery water inlet pipe is communicated with one end of the heat exchange pipe, and the waste heat recovery water outlet pipe is communicated with the other end of the heat exchange pipe. The utility model has simple structure, automatic cleaning function, can avoid the problem of blockage, can work continuously, and does not need to open the box for cleaning; the heat exchange tube is provided with the metal fins, so that the heat exchange area can be increased, and waste heat recovery can be better carried out.
Description
Technical Field
The utility model belongs to the technical field of energy equipment, specifically a flue gas waste heat recovery device with self-cleaning function.
Background
At present, the waste heat recovery device of a medium-large pulverized coal boiler cannot effectively sweep ash of the waste heat recovery device, once a large amount of ash is attached to the outer wall of a heat exchange tube, high-temperature gas flows to narrow down, the circulation resistance of a flue is increased, the burden of a smoke exhaust fan is increased, the power load of the smoke exhaust fan is increased, insufficient combustion in the boiler can be caused due to unsmooth smoke exhaust, and more CO can be generated. The heat exchange efficiency of the waste heat recovery device is reduced, and the dew point corrosion hazard is increased. The coal economizer can be fully blown and swept only during blowing out for maintenance, so that the operation is complex, and time and labor are wasted.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that not enough to prior art provides a reasonable in design, simple structure, can continuous operation and clean effectual flue gas waste heat recovery device.
The technical problem to be solved by the utility model is realized through the following technical scheme. The utility model relates to a flue gas waste heat recovery device with an automatic cleaning function, which is characterized by comprising a box body, wherein a cleaning mechanism and a flue gas circulating mechanism are arranged on the box body, and a heat exchange tube is arranged in the box body;
the cleaning mechanism comprises a sewage tank arranged at the lower part of the tank body and a plurality of spraying tanks arranged on the side surface of the tank body;
the smoke circulating mechanism comprises an air inlet pipe and an air inlet box which are arranged on one side of the box body, and an air outlet pipe and an air outlet box which are arranged on the symmetrical side of the box body;
the box body is also provided with a waste heat recovery water inlet pipe and a waste heat recovery water outlet pipe, the waste heat recovery water inlet pipe is communicated with one end of the heat exchange pipe, and the waste heat recovery water outlet pipe is communicated with the other end of the heat exchange pipe.
Flue gas waste heat recovery device with self-cleaning function, its further preferred technical scheme is: the box in be provided with inlet manifold and outlet manifold, the one end of heat exchange tube is installed on inlet manifold jointly, the other end is installed on outlet manifold jointly, the waste heat recovery inlet tube is linked together through the one end of inlet manifold and heat exchange tube, the waste heat recovery outlet pipe is linked together through the other end of outlet manifold and heat exchange tube.
Flue gas waste heat recovery device with self-cleaning function, its further preferred technical scheme is: the total 3 of spray box, 1 of them fixed mounting is in the top of box, 2 symmetrical installations are in the both sides of box in addition, and lie in the box and admit air between the case, the case of giving vent to anger.
Flue gas waste heat recovery device with self-cleaning function, its further preferred technical scheme is: the heat exchange tube is provided with fins.
Flue gas waste heat recovery device with self-cleaning function, its further preferred technical scheme is: the spraying tank is provided with a cleaning water inlet pipe, and the sewage tank is provided with a sewage discharge pipe.
Flue gas waste heat recovery device with self-cleaning function, its further preferred technical scheme is: the top of the spraying box arranged above the box body is provided with a manhole.
Compared with the prior art, the utility model has the advantages that: the utility model has the advantages of ingenious design, simple structure and excellent automatic cleaning function; the spraying boxes arranged on the upper side and the left side and the right side of the box body can clean flue gas in the box without dead angles, and can also clean dust particles attached to the heat exchange tubes and the fins, so that the heat exchange effect of the device is ensured, the device can continuously work, and the box does not need to be opened for cleaning; a manhole is arranged on the spray box above the box body, so that an operator can conveniently observe and overhaul; the heat exchange tube is provided with the metal fins, so that the heat exchange area can be increased, and waste heat recovery can be better carried out.
Drawings
Fig. 1 is a schematic structural diagram of the flue gas waste heat recovery device of the present invention;
fig. 2 is a top view of the flue gas waste heat recovery device of the present invention.
Detailed Description
The following further describes the embodiments of the present invention with reference to the drawings, so that those skilled in the art can further understand the present invention without limiting the right thereto.
the air inlet pipe 4 and the air outlet pipe 5 are respectively arranged at two sides of the box body 1 through the air inlet box 41 and the air outlet box 51, the heat exchange pipe 12 is arranged inside the box body 1, the spraying boxes 2 are respectively arranged at the side surfaces of the box body 1, and the sewage box 3 is arranged below the box body 1;
the design can collect the back unified processing through sewage case 3 with the sewage that sprays the production like this, has promoted work efficiency, in addition, continuously sprays to the box inside through spraying the case, prevents that many ash flue gases from causing the jam, also need not shut down and opens the case clearance.
In embodiment 2, in the flue gas waste heat recovery device with an automatic cleaning function in embodiment 1, the box 1 is further provided with a waste heat recovery water inlet pipe 11 and a waste heat recovery water outlet pipe 12, the waste heat recovery water inlet pipe 11 is communicated with one end of the heat exchange pipe 13 through a water inlet header pipe 15, the waste heat recovery water outlet pipe 12 is communicated with the other end of the heat exchange pipe 13 through a water outlet header pipe 14, the heat exchange pipes 13 are arranged in parallel in multiple rows, one end of each heat exchange pipe is installed on the water inlet header pipe 15, and the other end of each heat exchange pipe is installed on the water outlet header pipe 14;
the three spraying boxes are respectively arranged above and at the left side and the right side of the box body 1, so that the interior of the box body can be cleaned in all directions, and the blockage problem is avoided; the heat exchange tube is connected with the metal fins, so that a better heat exchange effect can be realized.
During the use, with during the many ash flue gases of high temperature arrive box 1 through inlet box 41 and spray box 2 from intake pipe 4, be connected to waste heat recovery inlet tube 12 in the outside water source, take away the heat in the high temperature flue gas through pouring into cold water into heat exchange tube 13, spray box 2 can follow three direction and wash the box 1 inside, realized omnidirectional clearance, make the device can continuous operation and need not the machine halt and overhaul, the sewage that produces when spraying is unified after 3 dischargings of sewage case and is handled.
Claims (6)
1. The utility model provides a flue gas waste heat recovery device with self-cleaning function which characterized in that: the device comprises a box body, wherein a cleaning mechanism and a flue gas circulating mechanism are arranged on the box body, and a heat exchange tube is arranged in the box body;
the cleaning mechanism comprises a sewage tank arranged at the lower part of the tank body and a plurality of spraying tanks arranged on the side surface of the tank body;
the smoke circulating mechanism comprises an air inlet pipe and an air inlet box which are arranged on one side of the box body, and an air outlet pipe and an air outlet box which are arranged on the other side of the box body;
and a waste heat recovery water inlet pipe and a waste heat recovery water outlet pipe are also arranged on the box body, one end of the heat exchange pipe is communicated with the waste heat recovery water inlet pipe, and the other end of the heat exchange pipe is communicated with the waste heat recovery water outlet pipe.
2. The flue gas waste heat recovery device with the automatic cleaning function according to claim 1, characterized in that: the box in be provided with inlet manifold and outlet manifold, the one end of every heat exchange tube is installed on inlet manifold jointly, the other end is installed on outlet manifold jointly, the waste heat recovery inlet tube is linked together through the one end of inlet manifold and heat exchange tube, the waste heat recovery outlet pipe is linked together through the other end of outlet manifold and heat exchange tube.
3. The flue gas waste heat recovery device with the automatic cleaning function according to claim 1, characterized in that: the total 3 of case that sprays, 1 fixed mounting in the top of box wherein, 2 symmetry install in addition in the both sides of box, and be located respectively between box and inlet box, the case of giving vent to anger.
4. The flue gas waste heat recovery device with the automatic cleaning function according to claim 1, characterized in that: the heat exchange tube is provided with a metal fin.
5. The flue gas waste heat recovery device with the automatic cleaning function according to claim 1, characterized in that: the spraying tank is provided with a cleaning water inlet pipe, and the sewage tank is provided with a sewage discharge pipe.
6. The flue gas waste heat recovery device with the automatic cleaning function according to claim 3, characterized in that: the top of the spraying box arranged above the box body is provided with a manhole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022778266.2U CN213778716U (en) | 2020-11-26 | 2020-11-26 | Flue gas waste heat recovery device with automatic cleaning function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022778266.2U CN213778716U (en) | 2020-11-26 | 2020-11-26 | Flue gas waste heat recovery device with automatic cleaning function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213778716U true CN213778716U (en) | 2021-07-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022778266.2U Active CN213778716U (en) | 2020-11-26 | 2020-11-26 | Flue gas waste heat recovery device with automatic cleaning function |
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| CN (1) | CN213778716U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115289875A (en) * | 2022-08-04 | 2022-11-04 | 江苏德龙镍业有限公司 | Steel smelting is with high-efficient waste heat recovery device |
-
2020
- 2020-11-26 CN CN202022778266.2U patent/CN213778716U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115289875A (en) * | 2022-08-04 | 2022-11-04 | 江苏德龙镍业有限公司 | Steel smelting is with high-efficient waste heat recovery device |
| CN115289875B (en) * | 2022-08-04 | 2023-09-22 | 江苏德龙镍业有限公司 | High-efficient waste heat recovery device is used in iron and steel smelting |
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