CN203586529U - Energy-saving boiler - Google Patents
Energy-saving boiler Download PDFInfo
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- CN203586529U CN203586529U CN201320807221.0U CN201320807221U CN203586529U CN 203586529 U CN203586529 U CN 203586529U CN 201320807221 U CN201320807221 U CN 201320807221U CN 203586529 U CN203586529 U CN 203586529U
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- boiler
- water
- water inlet
- heat exchanger
- pipeline
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Abstract
The utility model discloses an energy-saving boiler which comprises a soft water box, a boiler body and a heat exchanger arranged on a smoke channel. The soft water box and a heat exchanger water inlet are communicated through a pipeline. A boiler water supply pump is arranged on the pipeline between the soft water box and the heat exchanger. The energy-saving boiler further comprises a three-way pipe and a heat preservation water tank. A water inlet of the three-way pipe is communicated with a water outlet of the heat exchanger through a pipeline. Two water outlets of the three-way pipe are communicated with a water inlet of the boiler and a water inlet of the heat preservation water tank through pipelines. The water inlet of the boiler and the water inlet of the heat preservation water tank are provided with valves. A water outlet of the heat preservation water tank and the water inlet of the boiler are communicated through a pipeline. A water complement pump is arranged on the pipeline between the water outlet of the heat preservation water tank and the water inlet of the boiler. The heat preservation water tank is added, two water supply system sets are formed, water in the heat exchanger flows continuously, heat exchanging between the water and high-temperature smoke is carried out continuously, and smoke waste heat can be fully recycled.
Description
Technical field
The utility model relates to Thermal Equipment field, is specifically related to a kind of energy-saving gas boiler.
Background technology
At present, for the energy saver of boiler flue mainly by heat exchanger and the supply-water pump being connected through pipeline with it, water inlet pipe and outlet pipe form, wherein supply-water pump is connected with boiler original softened water tank pipeline, outlet pipe is connected with boiler, and heat exchanger is located on the flue of boiler, heat exchanger comprises the heat-exchange tube in housing and housing, and housing two-port is respectively equipped with joint, adopt reducing to add direct-connected the connecing of smokejack of flange and gas fired-boiler, this syndeton exists following not enough:
1, because medium small boiler water supplementing method is mostly interruption moisturizing, the energy-saving appliance being directly connected with boiler water inlet pipe, the waste heat that it reclaims also can only reclaim in intermitten service, so the waste heat of the whole flue of boiler can not fully reclaim.
2, when not moisturizing of boiler, water in heat exchanger is in flow regime not, but still carrying out heat exchange with flue gas, in its heat-exchange tube, the temperature of water constantly raises and produces vaporization, once boiler replenishing water, can make heat-exchange tube reduce heat exchange efficiency because of the large generation of water temperature temperature difference cavitation erosion, and it is higher just to have entered the water temperature of boiler, but can reduce rapidly, the front and back water inlet temperature difference is large.
Utility model content
In view of this, the purpose of this utility model is to provide the power economized boiler that a kind of flue residue heat can be recovered continuously.
The utility model solves the problems of the technologies described above by following technological means: a kind of power economized boiler, comprise softened water tank, boiler body and be arranged on the heat exchanger on flue, described softened water tank and heat exchanger water inlet pass through pipeline communication, on pipeline between softened water tank and heat exchanger, be provided with boiler water supply pump, also comprise three-way pipe and attemperater, the water inlet of described three-way pipe and the delivery port of heat exchanger pass through pipeline communication, two delivery ports of three-way pipe pass through pipeline communication with the water inlet of boiler and the water inlet of attemperater respectively, described boiler feed water mouth and attemperater water inlet are provided with valve, the delivery port of described attemperater and the water inlet of boiler pass through pipeline communication, between the delivery port of attemperater and the water inlet of boiler, on pipeline, be provided with small pump.
Further, described attemperater is the closed box that box outer surface is provided with heat-insulation layer, and described box top is provided with exhaust outlet.
Further, the delivery port of described attemperater also passes through pipeline communication with the softened water tank of boiler, on the pipeline being communicated with each other, is respectively arranged with valve at described heat exchanger, attemperater, supply-water pump, softened water tank and small pump.
Further, described boiler feed water mouth place is provided with check valve.
Further, on described heat exchanger, be provided with temperature sensor.
The beneficial effects of the utility model: power economized boiler of the present utility model, comprise softened water tank, boiler body and be arranged on the heat exchanger on flue, described softened water tank and heat exchanger water inlet pass through pipeline communication, on pipeline between softened water tank and heat exchanger, be provided with boiler water supply pump, also comprise three-way pipe and attemperater, the water inlet of described three-way pipe and the delivery port of heat exchanger pass through pipeline communication, two delivery ports of three-way pipe pass through pipeline communication with the water inlet of boiler and the water inlet of attemperater respectively, the delivery port of described attemperater and the water inlet of boiler pass through pipeline communication, between the delivery port of attemperater and the water inlet of boiler, on pipeline, be provided with small pump, add attemperater, formation two cover water systems, make water in heat exchanger continue to flow, and continuous and high-temperature flue gas carries out heat exchange, fully Mist heat recovering.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further described.
Fig. 1 is structural representation of the present utility model.
The specific embodiment
Below with reference to accompanying drawing, the utility model is elaborated, as shown in Figure 1: this power economized boiler, comprise softened water tank 1, boiler body 2 and be arranged on the heat exchanger 3 on flue, described softened water tank and heat exchanger water inlet pass through pipeline communication, on pipeline between softened water tank and heat exchanger, be provided with boiler water supply pump 4, also comprise three-way pipe 5 and attemperater 6, the water inlet of described three-way pipe and the delivery port of heat exchanger pass through pipeline communication, two delivery ports of three-way pipe pass through pipeline communication with the water inlet of boiler and the water inlet of attemperater respectively, the water inlet of described boiler and the water inlet of attemperater are provided with valve 7, the delivery port of described attemperater and the water inlet of boiler pass through pipeline communication, between the delivery port of attemperater and the water inlet of boiler, on pipeline, be provided with small pump 8.When boiler needs moisturizing, water (flow) direction is softened water tank → supply-water pump → heat exchanger → boiler, when boiler does not need moisturizing, water (flow) direction is softened water tank → supply-water pump → heat exchanger → attemperater, water in heat exchanger continues to flow like this, and continuous and high-temperature flue gas carries out heat exchange, fully Mist heat recovering, the water of attemperater also can be under the effect of small pump suction boiler, form two cover water systems.
As the further improvement to technique scheme, described attemperater 6 is provided with the closed box of heat-insulation layer 9 for box outer surface, and described box top is provided with exhaust outlet 10, the steam in casing can be discharged, whole system is moved under open type normal pressure, safe and reliable.
As the further improvement to technique scheme, the delivery port of described attemperater 6 also passes through pipeline communication with the softened water tank 1 of boiler, on the pipeline being communicated with each other at described heat exchanger, attemperater, supply-water pump, softened water tank and small pump, be respectively arranged with valve, be convenient to supply, feed water and switch and maintenance.
As the further improvement to technique scheme, described boiler feed water mouth place is provided with check valve 11, only allow the water in heat exchanger or attemperater to enter boiler, do not allow the water in boiler to enter heat exchanger or attemperater, hot water return in boiler enters heat exchanger, the water temperature of heat exchanger raises rapidly, can affect heat exchange effect.
As the further improvement to technique scheme, on described heat exchanger, be provided with temperature sensor 12, by the start and stop of sensor control supply-water pump, heat exchanger is supplied, cut off the water, when temperature is during higher than predetermined high temperature or lower than predetermined low temperature level, supply-water pump opens accordingly and stops, and the electrical equipment of this control circuit and circuit thereof are conventional electrical equipment and circuit.
Finally explanation is, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (5)
1. a power economized boiler, comprise softened water tank (1), boiler body (2) and be arranged on the heat exchanger (3) on flue, described softened water tank and heat exchanger water inlet pass through pipeline communication, on pipeline between softened water tank and heat exchanger, be provided with boiler water supply pump (4), it is characterized in that: also comprise three-way pipe (5) and attemperater (6), the delivery port of the water inlet of described three-way pipe (5) and heat exchanger (3) passes through pipeline communication, two delivery ports of three-way pipe (5) pass through pipeline communication with the water inlet of boiler and the water inlet of attemperater respectively, the water inlet of described boiler and the water inlet of attemperater are provided with valve (7), the delivery port of described attemperater and the water inlet of boiler pass through pipeline communication, on pipeline between the delivery port of attemperater and the water inlet of boiler, be provided with small pump (8).
2. power economized boiler according to claim 1, is characterized in that: described attemperater is the closed box that box outer surface is provided with heat-insulation layer (9), and described box top is provided with exhaust outlet (10).
3. power economized boiler according to claim 2, it is characterized in that: the delivery port of described attemperater (6) also passes through pipeline communication with the softened water tank (1) of boiler, on the pipeline being communicated with each other, is respectively arranged with valve at described heat exchanger, attemperater, supply-water pump, softened water tank and small pump.
4. power economized boiler according to claim 3, is characterized in that: described boiler feed water mouth place is provided with check valve (11).
5. power economized boiler according to claim 4, is characterized in that: on described heat exchanger, be provided with temperature sensor (12).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320807221.0U CN203586529U (en) | 2013-12-09 | 2013-12-09 | Energy-saving boiler |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320807221.0U CN203586529U (en) | 2013-12-09 | 2013-12-09 | Energy-saving boiler |
Publications (1)
Publication Number | Publication Date |
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CN203586529U true CN203586529U (en) | 2014-05-07 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201320807221.0U Expired - Fee Related CN203586529U (en) | 2013-12-09 | 2013-12-09 | Energy-saving boiler |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106642694A (en) * | 2015-07-14 | 2017-05-10 | 北京华通兴远供热节能技术有限公司 | Flue gas preheating type domestic hot water device |
-
2013
- 2013-12-09 CN CN201320807221.0U patent/CN203586529U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106642694A (en) * | 2015-07-14 | 2017-05-10 | 北京华通兴远供热节能技术有限公司 | Flue gas preheating type domestic hot water device |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140507 Termination date: 20151209 |
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EXPY | Termination of patent right or utility model |