CN206669840U - A kind of energy-saving heating system for extenuating boiler corrosion - Google Patents
A kind of energy-saving heating system for extenuating boiler corrosion Download PDFInfo
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- CN206669840U CN206669840U CN201720180162.7U CN201720180162U CN206669840U CN 206669840 U CN206669840 U CN 206669840U CN 201720180162 U CN201720180162 U CN 201720180162U CN 206669840 U CN206669840 U CN 206669840U
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Abstract
It the utility model is related to a kind of energy-saving heating system for extenuating boiler corrosion, it includes boiler, the circulation heating pipeline being connected with the boiler delivery port and the water return pipeline being connected with the first water inlet of the boiler, and the water return pipeline is connected with the first water return pipeline that can be flowed into backwater in the circulation heating pipeline and the second water return pipeline that can flow into backwater circulation in the boiler respectively by the first triple valve.The utility model can carry out specific aim heat supply, energy-saving, emission-reducing, environment friendly with daily according to outdoor temperature with situations such as hot high ebb；And the utility model also has the advantages of investment is small, income is high, simple and practical.
Description
Technical field
It the utility model is related to heat supply process field, and in particular to a kind of energy-saving heating system for extenuating boiler corrosion.
Background technology
Boiler heating system is equipment essential in northern area daily life.And for the improvement of heating system
It is continual to update.However, also there is more deficiency for boiler heating system.
At present, all heating water returns, no matter the circulation of temperature height, which is flowed into boiler, carries out heating recycling.It is and real
Situation is that user terminal has obvious high ebb situation, e.g., outdoor temperature on different dates or periods different on the same day
When higher, it is only necessary to which less amount of heat can ensure the constant of indoor temperature, therefore, for backwater (the backwater temperature of higher temperature
Generally 30 ~ 80 degree of degree) it can be reused in the case of without boiler, to realize energy-conservation, the purpose of emission reduction.
In addition, for response capital political affairs do [2013] No. 45 files of hair and《The stage control atmosphere pollution of Beijing the 16th is arranged
Apply》, Beijing generally transforms coal-burning boiler for nearly 2 years, and using gas fired-boiler, gas fired-boiler material is generally carbon steel.Combustion
The process of gas burning produces substantial amounts of vapor, carbon dioxide, a small amount of nitrogen oxides and micro sulfide.Caused by burning
High-temperature flue gas carries out heat exchange with the water in drum, substantially reduces flue-gas temperature, at this moment can produce substantial amounts of condensed water, when nitrogen oxygen
When in compound dissolving condensed water, weak acid can be produced, corrodes boiler tail.Therefore pot can also be improved simultaneously by improving boiler feed water temperature
Kiln gas temperature, condensed water is reduced, reduce boiler corrosion.At present, since coal changes gas work propulsion, Beijing eliminates coal-fired pot
Stove more than 8400 steams ton, is all changed to gas fired-boiler, and heating supply and return water temperature is relatively low, produces a large amount of condensed waters, corrodes boiler.
The content of the invention
In view of this, the purpose of this utility model is to provide a kind of energy-saving heating system for extenuating boiler corrosion, with solution
The deficiency certainly mentioned in the prior art.
The purpose of this utility model is to be achieved through the following technical solutions：
A kind of energy-saving heating system for extenuating boiler corrosion, it includes boiler, followed with what the boiler delivery port was connected
Ring heat supply pipeline and the water return pipeline being connected with the first water inlet of the boiler, the water return pipeline pass through the first triple valve
Respectively with the first water return pipeline that can flow into backwater in the circulation heating pipeline and described in can backwater circulation be flowed into
The second water return pipeline connection in boiler.
Further, first water return pipeline and the circulation heating pipeline communication, second water return pipeline and institute
State the second water inlet connection on boiler.
Further, first water return pipeline be provided with can be by the current direction circulation heating pipe in the first water return pipeline
One-way water pump in road；
Further, first water return pipeline of delivery port one end of the one-way water pump is provided with first check-valve.
Further, the suction inlet of the one-way water pump and delivery port by way of first is flexible coupling with described first
Water return pipeline connects.
Further, the circulation heating pipeline close to boiler delivery port and described the close to the water inlet of boiler first
Two water return pipelines pass through the hot water in the circulation heating pipeline can be discharged into second water return pipeline hot water line
Connection.
Further, the hot water line is provided with multifunctional pump；The suction inlet and delivery port of the multifunctional pump pass through
Two modes being flexible coupling are connected with the hot water line；The hot water line of suction inlet one end of the multifunctional pump goes up and delivery port one
The second regulating valve is equipped with the hot water line at end；Place stops provided with second on the hot water line of delivery port one end of the multifunctional pump
Return valve.
Further, the heating system also includes being the moisturizing pipeline of the boiler feedwater, the filling pipe
The delivery port in road is connected with the second water inlet of the boiler, and the water inlet of the moisturizing pipeline is connected with water supply tank.
Further, the hot water line is connected with the second water return pipeline and moisturizing pipeline respectively by the second triple valve.
Further, the circulation heating pipeline, water return pipeline, the first water return pipeline, the second water return pipeline, boiler first
Water inlet and boiler water outlet are equipped with thermometer.
Further, the multifunctional pump is heat-exchanger pump；First regulating valve and the second regulating valve are manual modulation valve
Or automatic regulating valve；The first check-valve and second check-valve are butterfly swing check valve；The temperature is calculated as bimetal leaf temperature
Degree meter；It is that metal is flexible coupling that described first is flexible coupling is flexible coupling with second.
The utility model at least has the advantages that：
The utility model can carry out specific aim heat supply with daily according to outdoor temperature with situations such as hot high ebb, will
The higher backwater of temperature with hot low peak period (such as period at noon or when some outdoor temperatures, it is relatively small with heat, i.e.,
Heat supply coolant-temperature gage is relatively low it is also ensured that normal indoor temperature) without heat directly with high-temperature water mixed flow access customer
End carries out heat exchange, energy-saving, emission-reducing, environment friendly.
The utility model, which has, invests the advantages of small, income is high, simple and practical, the energy on the premise of energy consumption is not increased
The generation of condensed water is enough significantly reduced, reduces corrosion of the condensed water to boiler.At just cold end during cold boiler operatiopn, heat user institute
Need thermic load less, under equal conditions compared with general gas steam generator system, by multifunctional pump and bypass constant pressure pipe regulation,
The reagent combustion conditions of the boiler operating mode close to depending on boiler can be made, improve boiler efficiency, save the energy.
Brief description of the drawings
Fig. 1 is the structural representation of the energy-saving heating system for extenuating boiler corrosion described in the utility model embodiment
Figure.
In figure, 1, boiler, 2, circulation heating pipeline, 3, water return pipeline, 4, hot water line, the 5, first water return pipeline, 6, mend
Waterpipe, the 7, second water return pipeline, 9, user terminal, the 31, first triple valve, 41, multifunctional pump, 42, second is flexible coupling, and 43, second
Regulating valve, 44, second check-valve, the 45, second triple valve, 51, one-way water pump, the 52, first regulating valve, 53, first check-valve,
61st, water supply tank.
Embodiment
The technical scheme in the embodiment of the utility model is clearly and completely described below, it is clear that described reality
It is the utility model part of the embodiment to apply example, rather than whole embodiments.Embodiment of the present utility model presented below
Detailed description be not intended to limit claimed the scope of the utility model, but be merely representative of of the present utility model selected
Embodiment.Based on the embodiment in the utility model, this area commonsense method personnel are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Embodiment 1
As shown in figure 1, a kind of energy-saving heating system for extenuating boiler corrosion, it includes boiler 1, gone out with the boiler 1
The circulation heating pipeline 2 of mouth of a river connection and the water return pipeline 3 being connected with the first water inlet of the boiler 1.The heat supply system
System also includes user terminal 9, and delivery to user terminal 9, hot water are carried out hot friendship by the circulation heating pipeline 2 in the user terminal
Backwater is sent back to boiler 1 after changing by the water return pipeline 3 to be recycled.
Specifically, the water return pipeline 3 by the first triple valve 31 respectively with backwater can be flowed into the circulation heating
The first water return pipeline 5 in pipeline 2 connects with the second water return pipeline 7 that can be flowed into backwater circulation in the boiler 1.Heat supply
System typically according to outdoor temperature or daily can carry out specific aim heat supply with situations such as heat high ebb, that is to say, that different time
Its temperature supplied of point might have change, therefore, also have certain change for the temperature of the circulating backwater of user terminal 9, e.g.,
Sometimes return water temperature may only have 30 ~ 40 degree, and return water temperature sometimes can reach 60 ~ 80 degree；Therefore, for temperature compared with
High circulating backwater can be reused, and such as when the temperature of required heat supply is relatively low, can be supplied circulating backwater and circulation
Hot water in hot channel 2 is used in mixed way, i.e., circulating backwater can be utilized without the circulating-heating of boiler 1, energy-conservation
Emission reduction；Specific mixed proportion can be depending on actual temperature.And the circulating backwater of remaining part can turn again to boiler 1 and enter
Row heating.
First water return pipeline 5 connects with the circulation heating pipeline 2, second water return pipeline 7 and the boiler 1
On the second water inlet connection.Then the water in water return pipeline 3 can be distinguished by the first water return pipeline 5 and the second water return pipeline 7
Into in circulation heating pipeline 2 and boiler 1, can be mixed later with the hot water in circulation heating pipeline 2 into circulation heating pipeline 2
Then flow into user terminal 9 and carry out heat exchange；It is recycled after being heated after into boiler 1 in boiler 1.
First water return pipeline 5 is provided with can be by the current direction circulation heating pipeline 2 in the first water return pipeline 5
One-way water pump 51, i.e., the outlet of described one-way water pump 51 is close to the side of circulation heating pipeline 2, the suction inlet of the one-way water pump 51
The first regulating valve 52 is equipped with first water return pipeline 5 of on first water return pipeline 5 of one end and delivery port one end, passes through control
The folding of first regulating valve 52 or aperture size can also realize control flow and flow rate etc.；The water outlet of the one-way water pump 51
First water return pipeline 5 of mouth one end is provided with first check-valve 53.The suction inlet and delivery port of the one-way water pump 51 are equal
It is connected by way of first is flexible coupling with first water return pipeline 5.
Heat storage can is connected with the water return pipeline 3, unnecessary heat can be stored, more energy-saving and emission-reduction.
Embodiment 2
On the basis of embodiment 1, referring to Fig. 1, close to the delivery port of boiler 1 the circulation heating pipeline 2 with it is close
Second water return pipeline 7 of the water inlet of boiler 1 first is described by that can be discharged into the hot water in the circulation heating pipeline 2
Hot water line 4 in second water return pipeline 7 connects.Specifically, can be on the circulation heating pipeline 2 from the 0 ~ 10m of delivery port of boiler 1
, certainly specifically can be according to actual need with connection hot water line 4 on the second water return pipeline 7 from the m of 1 first water inlet of boiler 1 ~ 10
Will and construction environment etc. depending on.
The hot water line 4 is provided with multifunctional pump 41, i.e. the suction inlet of multifunctional pump 41 is connected with circulation heating pipeline 2, mixes water
The delivery port of pump 41 is connected with the water return pipeline 3；The multifunctional pump 41 is heat-exchanger pump.The suction inlet of the multifunctional pump 41 and go out
The mouth of a river is flexible coupling by way of 42 second to be connected with the hot water line 4.The heat of suction inlet one end of the multifunctional pump 41
The second regulating valve 43 is equipped with the hot water line 4 of in water lines 4 and delivery port one end.
Place is provided with second check-valve 44 on the hot water line 4 of delivery port one end of the multifunctional pump 41.
Return water temperature is generally between 30 ~ 80 DEG C, if the temperature in the second water return pipeline 7 is too low (such as 30 DEG C), burning
Caused high-temperature flue gas carries out heat exchange with the water in drum, and flue-gas temperature drastically declines, then often produces substantial amounts of condensation
Water, and nitrogen oxides can produce weak acid after being dissolved in condensed water, so as to easily corrode the afterbody of boiler 1.
Therefore, in the specific implementation, according to the height of return water temperature, correspondingly, by the high-temperature water in circulation heating pipeline 2
It is discharged into by hot water line 4 in second water return pipeline 7, improves the water temperature in the second water return pipeline 7, so as to improve boiler
The inflow temperature of 1 first water inlet, then can substantially reduce the generation of condensed water.Specific inflow temperature can be by adjusting mixed water
The flow of pump 41 or internal circulating load are adjusted, and also can adjust the second regulating valve 43 to adjust.At present, except the method in the present embodiment
Outside also without other significantly more efficient methods for reducing condensed water.
The utility model can realize that improving boiler 1 first water inlet enters water temperature by hot water line 4, multifunctional pump 41 etc.
Degree, so as to realize the purpose for reducing condensed water.By adjusting the aperture size of the regulating valve 43 of multifunctional pump 41 or second, carried with realizing
The high inflow temperature of boiler 1 alleviates the purpose of boiler condensation corrosion.The heating system can greatly reduce the production of condensed water, subtract
On a small quantity between 60 ~ 80%.
Embodiment 3
On the basis of embodiment 2, referring to Fig. 1, the heating system also includes being the benefit of the make-up water of boiler 1
Waterpipe 6, the delivery port of the moisturizing pipeline 6 are connected with the second water inlet of the boiler 1, the water inlet of the moisturizing pipeline 6
Mouth is connected with water supply tank 61.
The hot water line 4 is connected with the second water return pipeline 7 and moisturizing pipeline 6 respectively by the second triple valve 45, i.e., logical
The second triple valve 45 is crossed, the hot water line 4 is divided into two streams, and one stream is flowed into the second water return pipeline 7, and another stream flows into moisturizing
In pipeline 6, to improve the inflow temperature of boiler 1, so as to reduce the yield of condensed water.
Because the water in water supply tank 61 is typically from municipal water supply, i.e., generally running water or it is treated originally
Water, therefore its temperature is relatively low, if the water at low temperature is flowed directly into boiler 1, larger temperature difference can cause largely to condense
The generation of water, so as to considerably increase the risk of corrosion boiler 1, easily cause the reduction significantly in the life-span of boiler 1.Therefore, the party
Method can greatly improve boiler life, cost-effective.
In above-described embodiment 1 ~ 3, the circulation heating pipeline 2, water return pipeline, the first water return pipeline 5, the second return pipe
Road 7, the water inlet of boiler first and boiler water outlet are equipped with thermometer；The thermometer is preferably bimetallic thermograph,
Life-span is longer, is more able to ensure that its degree of accuracy, so that the temperature control of whole heating system is more accurate.
The circulation heating pipeline 2, water return pipeline 3, a water return pipeline, the second water return pipeline 7, boiler 1 water inlet and
Delivery port of boiler 1 etc. is equipped with pressure gauge；It can monitor at any time.
Three mouth streams in first triple valve 31, second triple valve 45 etc. can arbitrarily control opening for some mouthful
Close.
Described first be flexible coupling with second be flexible coupling 42 be both preferably metals be flexible coupling, one-way water pump 51 and multifunctional pump 41 are matched somebody with somebody
Closing the mode that the metal is flexible coupling can make water pump preferably play its effect, also ensure its accuracy to a certain extent.
The regulating valve 43 of first regulating valve 52 and second is manual modulation valve or automatic regulating valve；First non-return
Valve 53 and second check-valve 44 are butterfly swing check valve.
One-way water pump 51 in the utility model be can only individual event pump out the water pump of water, naturally it is also possible to other kinds of
Water pump, as long as the water in water return pipeline can be pumped into circulation heating pipeline.
When it is implemented, tubing used in the utility model may be selected DN200 using down tube as seamless steel pipe, DN200 with
Upper is spiral weld steel pipe.
When specifically used, the utility model can be by taking 4 t boilers as an example, then boiler internal circulating load can be 100t/h, and backwater follows
Circular rector can be 160t/h, and the internal circulating load of multifunctional pump 41 can be 45t/h, and manual modulation valve flow can be 110t/h, the stream of multifunctional pump 41
The multifunctional pump internal circulating load that parameter can be 1.5 ~ 2 times is measured, the lift parameter of multifunctional pump can be 10 ~ 15m, can overcome boiler resistance i.e.
Can.Specifically, can be selected according to being actually needed.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this area
For technical staff, the utility model can have various changes and change.All institutes within spirit of the present utility model and principle
Any modification, equivalent substitution and improvements of work etc., should be included within the scope of protection of the utility model.
Claims (10)
1. a kind of energy-saving heating system for extenuating boiler corrosion, it includes boiler, the circulation being connected with the boiler delivery port
Heat supply pipeline and the water return pipeline being connected with the first water inlet of the boiler, it is characterised in that：
The water return pipeline by the first triple valve respectively with backwater can be flowed into the circulation heating pipeline first time
Waterpipe connects with the second water return pipeline that can flow into backwater circulation in the boiler.
2. the energy-saving heating system for extenuating boiler corrosion according to claim 1, it is characterised in that：First backwater
Pipeline and the circulation heating pipeline communication, second water return pipeline are connected with the second water inlet on the boiler.
3. the energy-saving heating system for extenuating boiler corrosion according to claim 2, it is characterised in that：First backwater
Pipeline is provided with can be by the one-way water pump in the current direction circulation heating pipeline in the first water return pipeline；
First water return pipeline of delivery port one end of the one-way water pump is provided with first check-valve.
4. the energy-saving heating system for extenuating boiler corrosion according to claim 3, it is characterised in that：The one-way water pump
Suction inlet and delivery port be connected by way of first is flexible coupling with first water return pipeline.
5. the energy-saving heating system for extenuating boiler corrosion according to claim 4, it is characterised in that：Close to boiler water outlet
Mouthful the circulation heating pipeline and second water return pipeline close to boiler first water inlet by can be by the circulation
Hot water line's connection that hot water in heat supply pipeline is discharged into second water return pipeline.
6. the energy-saving heating system for extenuating boiler corrosion according to claim 5, it is characterised in that：The hot water line
It is provided with multifunctional pump；The suction inlet and delivery port of the multifunctional pump connect by way of second is flexible coupling with the hot water line
Connect；The hot water line of suction inlet one end of the multifunctional pump above and on the hot water line of delivery port one end is equipped with the second regulation
Valve；Place is provided with second check-valve on the hot water line of delivery port one end of the multifunctional pump.
7. the energy-saving heating system for extenuating boiler corrosion according to claim 6, it is characterised in that：The heating system
It can be the moisturizing pipeline of the boiler feedwater also to include, the second water inlet of the delivery port of the moisturizing pipeline and the boiler
Mouth connection, the water inlet of the moisturizing pipeline are connected with water supply tank.
8. the energy-saving heating system for extenuating boiler corrosion according to claim 7, it is characterised in that：The hot water line
It is connected respectively with the second water return pipeline and moisturizing pipeline by the second triple valve.
9. the energy-saving heating system for extenuating boiler corrosion according to claim 8, it is characterised in that：The circulation heating
Pipeline, water return pipeline, the first water return pipeline, the second water return pipeline, the water inlet of boiler first and boiler water outlet are equipped with temperature
Degree meter.
10. the energy-saving heating system for extenuating boiler corrosion according to claim 9, it is characterised in that：The multifunctional pump
For heat-exchanger pump；Second regulating valve is manual modulation valve or automatic regulating valve；The first check-valve and second check-valve are equal
For butterfly swing check valve；The temperature is calculated as bimetallic thermograph；It is that metal is soft that described first is flexible coupling is flexible coupling with second
Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720180162.7U CN206669840U (en) | 2017-02-28 | 2017-02-28 | A kind of energy-saving heating system for extenuating boiler corrosion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720180162.7U CN206669840U (en) | 2017-02-28 | 2017-02-28 | A kind of energy-saving heating system for extenuating boiler corrosion |
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| Publication Number | Publication Date |
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| CN206669840U true CN206669840U (en) | 2017-11-24 |
Family
ID=60378804
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720180162.7U Expired - Fee Related CN206669840U (en) | 2017-02-28 | 2017-02-28 | A kind of energy-saving heating system for extenuating boiler corrosion |
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| CN (1) | CN206669840U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109469945A (en) * | 2018-10-17 | 2019-03-15 | 山东前田热能技术股份有限公司 | A kind of normal pressure mixed flow pipeline heating system |
| CN110397976A (en) * | 2018-04-24 | 2019-11-01 | 河北桓杰机电设备安装工程有限公司 | Domestic electromagnetic heated type phase-transition heat-storage heating equipment |
-
2017
- 2017-02-28 CN CN201720180162.7U patent/CN206669840U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397976A (en) * | 2018-04-24 | 2019-11-01 | 河北桓杰机电设备安装工程有限公司 | Domestic electromagnetic heated type phase-transition heat-storage heating equipment |
| CN109469945A (en) * | 2018-10-17 | 2019-03-15 | 山东前田热能技术股份有限公司 | A kind of normal pressure mixed flow pipeline heating system |
| CN109469945B (en) * | 2018-10-17 | 2024-06-21 | 静宁昇暖能源产业有限公司 | Normal pressure mixed flow pipeline heating system |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20171124 Termination date: 20200228 |