CN211903866U - Maintenance-free heat pipe type low-temperature economizer device convenient to disassemble and assemble - Google Patents
Maintenance-free heat pipe type low-temperature economizer device convenient to disassemble and assemble Download PDFInfo
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- CN211903866U CN211903866U CN202020441906.8U CN202020441906U CN211903866U CN 211903866 U CN211903866 U CN 211903866U CN 202020441906 U CN202020441906 U CN 202020441906U CN 211903866 U CN211903866 U CN 211903866U
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Abstract
The utility model discloses a maintenance-free convenient dismounting heat pipe type low-temperature economizer device, which comprises a maintenance-free convenient dismounting heat pipe type low-temperature economizer body, wherein the maintenance-free convenient dismounting heat pipe type low-temperature economizer body comprises a hot section frame, a cold section frame and a plurality of low-temperature economizer single pieces, and each low-temperature economizer single piece is divided into an evaporation section, a heat insulation section and a condensation section; one end of the evaporation section penetrates through the side face of the hot section frame and is inserted into the hot section frame, the other end of the evaporation section is communicated with one end of the heat insulation section through the first low-temperature economizer sealing flange, the other end of the heat insulation section is communicated with one end of the condensation section through the second low-temperature economizer sealing flange, the other end of the condensation section penetrates through the side face of the cold section frame and is inserted into the cold section frame, and the system can conveniently replace single pieces of the low-temperature economizer.
Description
Technical Field
The utility model belongs to the thermal power field relates to a non-maintaining makes things convenient for dismouting heat pipe formula low temperature economizer device.
Background
In order to recover the waste heat of flue gas and reduce the coal consumption of a unit, a plurality of units are additionally provided with low-temperature economizers in recent years, and the problems of low-temperature corrosion and leakage occur in the operation process of the low-temperature economizers of a plurality of units.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art's shortcoming, provide a maintenance-free makes things convenient for dismouting heat pipe formula low temperature economizer device, this system can conveniently change low temperature economizer stick.
In order to achieve the above purpose, the heat pipe type low-temperature economizer device convenient to disassemble and assemble without maintenance of the utility model comprises a heat pipe type low-temperature economizer body convenient to disassemble and assemble without maintenance, wherein the heat pipe type low-temperature economizer body convenient to disassemble and assemble without maintenance comprises a hot section frame, a cold section frame and a plurality of low-temperature economizer single pieces, and each low-temperature economizer single piece is equally divided into an evaporation section, an insulation section and a condensation section;
one end of the evaporation section penetrates through the side face of the hot section frame and is inserted into the hot section frame, the other end of the evaporation section is communicated with one end of the heat insulation section through the first low-temperature economizer sealing flange, the other end of the heat insulation section is communicated with one end of the condensation section through the second low-temperature economizer sealing flange, and the other end of the condensation section penetrates through the side face of the cold section frame and is inserted into the cold section frame.
The inlet of the hot section frame is communicated with the outlet flue of the air preheater, and the outlet of the hot section frame is communicated with the inlet flue of the electric dust collector.
The inlet of the cold section frame is communicated with the outlet of the No. 7 low-pressure heater, and the outlet of the cold section frame is communicated with the inlet of the No. 6 low-pressure heater.
The hot section frame is characterized by further comprising a compressed air pipeline, an ash storehouse, a plurality of ash buckets and a plurality of storehouse pumps, wherein each ash bucket is fixed at the bottom opening of the hot section frame, one storehouse pump corresponds to one ash bucket, the inlet of each storehouse pump is communicated with the compressed air pipeline and the outlet corresponding to the bottom of the ash bucket, and the outlet of each storehouse pump is communicated with the ash storehouse.
An ash conveying and blanking valve is arranged between the bottom outlet of the ash bucket and the corresponding bin pump.
An ash conveying air source valve is arranged on the compressed air pipeline.
A first electric valve is arranged between the outlet of the No. 7 low-pressure heater and the inlet of the cold section frame, a second electric valve is arranged between the outlet of the cold section frame and the inlet of the No. 6 low-pressure heater, and a regulating valve is arranged between the inlet of the cold section frame and the outlet of the cold section frame.
The utility model discloses following beneficial effect has:
when any low-temperature economizer single piece leaks, the first low-temperature economizer sealing flange and the second low-temperature economizer sealing flange are opened, no working medium water flows out of the low-temperature economizer single piece, the leakage of the low-temperature economizer single piece is shown, the low-temperature economizer single piece is taken out, a new low-temperature economizer single piece is installed, the influence on the heat exchange of the whole low-temperature economizer caused by the leakage of the low-temperature economizer single piece is avoided, the replacement operation of the low-temperature economizer single piece is simple, the heat exchange of the whole low-temperature economizer is not influenced, and the heat exchange of the low-temperature economizer single piece is avoided, The method is convenient, the resistance of the low-temperature economizer is reduced, the smoke exhaust temperature is reduced, and the safety and the economical efficiency of the unit are improved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the low-temperature economizer unit 6;
fig. 3 is a schematic view of the heat transfer system of the present invention.
Wherein, 1 is a hot section frame, 2 is a cold section frame, 3 is an evaporation section, 4 is an adiabatic section, 5 is a condensation section, 6 is a low-temperature economizer single piece, 71 is a first low-temperature economizer sealing flange, 72 is a second low-temperature economizer sealing flange, 8 is an air preheater outlet flue, 9 is an electric precipitator inlet flue, 10 is a No. 7 low-pressure heater, 11 is a No. 6 low-pressure heater, 121 is a first electric valve, 122 is a second electric valve, 13 is an adjusting valve, 14 is an ash hopper, 15 is a bin pump, 16 is an ash conveying blanking valve, and 17 is an ash conveying air source valve.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings:
referring to fig. 1, 2 and 3, the heat pipe type low-temperature economizer apparatus convenient to disassemble and assemble without maintenance of the present invention comprises a heat pipe type low-temperature economizer body convenient to disassemble and assemble without maintenance, wherein the heat pipe type low-temperature economizer body convenient to disassemble and assemble without maintenance comprises a hot section frame 1, a cold section frame 2 and a plurality of low-temperature economizer single pieces 6, and each low-temperature economizer single piece 6 is divided into an evaporation section 3, a heat insulation section 4 and a condensation section 5; one end of the evaporation section 3 penetrates through the side face of the hot section frame 1 and is inserted into the hot section frame 1, the other end of the evaporation section 3 is communicated with one end of the heat insulation section 4 through a first low-temperature economizer sealing flange 71, the other end of the heat insulation section 4 is communicated with one end of the condensation section 5 through a second low-temperature economizer sealing flange 72, and the other end of the condensation section 5 penetrates through the side face of the cold section frame 2 and is inserted into the cold section frame 2.
It should be noted that the inlet of the hot section frame 1 is communicated with the outlet flue 8 of the air preheater, and the outlet of the hot section frame 1 is communicated with the inlet flue 9 of the electric dust collector; an inlet of the cold section frame 2 is communicated with an outlet of the No. 7 low-pressure heater 10, an outlet of the cold section frame 2 is communicated with an inlet of the No. 6 low-pressure heater 11, a first electric valve 121 is arranged between an outlet of the No. 7 low-pressure heater 10 and an inlet of the cold section frame 2, a second electric valve 122 is arranged between an outlet of the cold section frame 2 and an inlet of the No. 6 low-pressure heater 11, and a regulating valve 13 is arranged between an inlet of the cold section frame 2 and an outlet of the cold section frame 2.
The utility model discloses still include compressed air pipeline, ash storehouse, a plurality of ash bucket 14 and a plurality of storehouse pump 15, each ash bucket 14 is fixed in the bottom opening part of hot section frame 1, and an ash bucket 14 is corresponded to a storehouse pump 15, and the entry of storehouse pump 15 is linked together with the compressed air pipeline and the export that corresponds 14 bottoms of ash bucket, and the export and the ash storehouse of each storehouse pump 15 are linked together.
In addition, an ash conveying and blanking valve 16 is arranged between the bottom outlet of the ash bucket 14 and the corresponding bin pump 15; an ash conveying air source valve 17 is arranged on the compressed air pipeline.
The utility model discloses a concrete operation process does:
the interior of the low-temperature economizer single piece 6 is pumped into a negative pressure state, working media such as water and the like are filled in the low-temperature economizer single piece, the water absorbs heat in the evaporation section 3, to reduce the temperature of the flue gas in the hot section frame 1, the water is evaporated into steam, the steam enters the condensing section 5 and is condensed into water in the condensing section 5, then reflows to the evaporation section 3 according to the capillary action, when a single low-temperature economizer single piece 6 leaks, the single piece 6 of other low-temperature economizers cannot be influenced, the influence on the heat exchange capability of the low-temperature economizer system is small, when the leaked low-temperature economizer single piece 6 needs to be replaced, the first low-temperature economizer sealing flange 71 and the second low-temperature economizer sealing flange 72 are opened, the single low-temperature economizer 6 has no working media such as water and the like flowing out, the leakage of the single low-temperature economizer 6 is proved, the single low-temperature economizer 6 is taken out, a new single low-temperature economizer 6 is installed, and the replacement operation is simple and convenient.
In addition, during actual operation, the ash falling from the low-temperature economizer enters an ash hopper 14, then enters a bin pump 15 through an ash conveying and blanking valve 16, and then is sent into an ash bin through compressed air so as to prevent the ash from being accumulated at the bottom of the hot section frame 1.
Claims (7)
1. A maintenance-free heat pipe type low-temperature economizer device convenient to disassemble and assemble is characterized by comprising a maintenance-free heat pipe type low-temperature economizer body convenient to disassemble and assemble, wherein the maintenance-free heat pipe type low-temperature economizer body convenient to disassemble and assemble comprises a hot section frame (1), a cold section frame (2) and a plurality of low-temperature economizer single pieces (6), and each low-temperature economizer single piece (6) is divided into an evaporation section (3), a heat insulation section (4) and a condensation section (5);
one end of the evaporation section (3) penetrates through the side face of the hot section frame (1) and is inserted into the hot section frame (1), the other end of the evaporation section (3) is communicated with one end of the heat insulation section (4) through a first low-temperature economizer sealing flange (71), the other end of the heat insulation section (4) is communicated with one end of the condensation section (5) through a second low-temperature economizer sealing flange (72), and the other end of the condensation section (5) penetrates through the side face of the cold section frame (2) and is inserted into the cold section frame (2).
2. The maintenance-free heat pipe type low-temperature economizer device convenient to disassemble and assemble according to claim 1, wherein an inlet of the hot section frame (1) is communicated with an outlet flue (8) of an air preheater, and an outlet of the hot section frame (1) is communicated with an inlet flue (9) of an electric dust collector.
3. The maintenance-free conveniently detachable heat pipe type low-temperature economizer device as claimed in claim 1, wherein the inlet of the cold section frame (2) is communicated with the outlet of the No. 7 low-pressure heater (10), and the outlet of the cold section frame (2) is communicated with the inlet of the No. 6 low-pressure heater (11).
4. The maintenance-free heat pipe type low-temperature economizer device convenient to disassemble and assemble according to claim 1, further comprising a compressed air pipeline, an ash warehouse, a plurality of ash hoppers (14) and a plurality of bin pumps (15), wherein each ash hopper (14) is fixed at the bottom opening of the hot section frame (1), one bin pump (15) corresponds to one ash hopper (14), the inlet of each bin pump (15) is communicated with the compressed air pipeline and the outlet corresponding to the bottom of the ash hopper (14), and the outlet of each bin pump (15) is communicated with the ash warehouse.
5. The maintenance-free heat pipe type low-temperature economizer device convenient to disassemble and assemble according to claim 4, wherein an ash conveying and blanking valve (16) is arranged between the bottom outlet of the ash hopper (14) and the corresponding bin pump (15).
6. The maintenance-free easy-to-disassemble heat pipe type low-temperature economizer device according to claim 4, wherein the compressed air pipeline is provided with an ash conveying air source valve (17).
7. The maintenance-free heat pipe type low-temperature economizer device convenient to disassemble and assemble according to claim 3, wherein a first electric valve (121) is arranged between the outlet of the No. 7 low-pressure heater (10) and the inlet of the No. 6 low-pressure heater (11), a second electric valve (122) is arranged between the outlet of the No. 2 low-pressure heater and the inlet of the No. 6 low-pressure heater (11), and a regulating valve (13) is arranged between the inlet of the No. 2 low-pressure heater and the outlet of the No. 6 low-pressure heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020441906.8U CN211903866U (en) | 2020-03-30 | 2020-03-30 | Maintenance-free heat pipe type low-temperature economizer device convenient to disassemble and assemble |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020441906.8U CN211903866U (en) | 2020-03-30 | 2020-03-30 | Maintenance-free heat pipe type low-temperature economizer device convenient to disassemble and assemble |
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| CN211903866U true CN211903866U (en) | 2020-11-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111256506A (en) * | 2020-03-30 | 2020-06-09 | 西安热工研究院有限公司 | Maintenance-free heat pipe type low-temperature economizer system convenient to assemble and disassemble and working method thereof |
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2020
- 2020-03-30 CN CN202020441906.8U patent/CN211903866U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111256506A (en) * | 2020-03-30 | 2020-06-09 | 西安热工研究院有限公司 | Maintenance-free heat pipe type low-temperature economizer system convenient to assemble and disassemble and working method thereof |
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