CN106287897A - A kind of mixed water direct heating runs system - Google Patents
A kind of mixed water direct heating runs system Download PDFInfo
- Publication number
- CN106287897A CN106287897A CN201610693520.4A CN201610693520A CN106287897A CN 106287897 A CN106287897 A CN 106287897A CN 201610693520 A CN201610693520 A CN 201610693520A CN 106287897 A CN106287897 A CN 106287897A
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- Prior art keywords
- water
- net
- pipe
- secondary net
- return
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 114
- 238000010438 heat treatment Methods 0.000 title claims abstract description 40
- 239000008400 supply water Substances 0.000 claims description 29
- 230000005611 electricity Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000004087 circulation Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
- F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D3/00—Hot-water central heating systems
- F24D3/02—Hot-water central heating systems with forced circulation, e.g. by pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D3/00—Hot-water central heating systems
- F24D3/10—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system
- F24D3/1058—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system disposition of pipes and pipe connections
Abstract
The invention provides a kind of mixed water direct heating and run system, belong to heating system technical field.One end of mixed water pipe of the present invention is connected with the end of a secondary net feed pipe, the mixed other end of water pipe and the first end of a secondary net return pipe are connected, one end of secondary network feed pipe is connected with the end of a secondary net feed pipe, the other end of secondary network feed pipe is connected with the first end of heat user, one end of secondary network return pipe is connected with the first end of a secondary net return pipe, and the other end of secondary network return pipe is connected with the end of heat user.The mixed water direct heating of the present invention runs system, reduce one-level net return water temperature about 15 DEG C, thermal substation amount of electricity saving more than 60%, year plant maintenance expense reduction by 80%, improve the conveying capacity of first-level pipeline network 20%, substantially improve heating quality, save investment of equipment.
Description
Technical field
The present invention relates to a kind of mixed water direct heating and run system, belong to heating system technical field.
Background technology
Steam power plant is for the high-temperature hot water heat-supply system that the former heating-net-work system of thermal region is central heating " cogeneration of heat and power " mostly, main
High-temperature water of heat supply network uses centralized cycle system conveying heating agent, provides heat, for system user for each two grades of switching stations
Heating.Secondary heat exchange station all uses plate type heat exchanger secondary heat exchange, the circulation of secondary network system water to use two stage pump blood circulation, for
User provides heat.Secondary network level pressure uses machinery pressurization methods, and heating-net-work system is typical indirect type heating system.
The heating system technological process (as shown in Figure 1) of prior art is: the high-temperature-hot-water of the most main heat supply network is by once supplying
Waterpipe 1, through a water supply valve 32, enters heat exchange station；Flow through each platen type heat exchanger 33, transfer heat to secondary network
After water at low temperature, through primary water valve 35, primary water pipeline 34 return the most main heat supply network；Secondary heat supply network water at low temperature is added
After heat, secondary network circulating pump 42 promote, by secondary water-supply pipeline 36, send through secondary water-supply valve 37, heat is transmitted
To heat user heating, the water at low temperature after release heat, through secondary returning penstock 39, secondary returning waterpipe 38 return board-like changing
Hot device 33 circulating-heating；Native system also has softened water tank 40 and the small pump 41 of water charging system.
The advantage of the indirect type heating system of prior art is: once completely isolated with secondary network system, security of system
Preferably, debugging is run relatively easy.
Shortcoming is:
1, heat exchange station equipment is more, adds heat exchanger and water charging system, and heat exchange station is built initial cost and compared relatively big, changes
The construction area that heat stations needs is bigger.
2, in heat exchange station, maintenance workload is big, in the case of water quality is bad, and the frequent blockage phenomenon of heat exchanger, heat exchanger
Need often to scrub.
3, increasing along with the time of operation, heat transmission equipment heat exchange efficiency is gradually lowered, and two grades of net supply water temperatures are on the low side, and part is used
Family indoor temperature is the most up to standard.
4, heat exchange station runs the little temperature difference of big flow often, and power consumption is bigger.
5, due to hydraulic misadjustment, there is the situation that one-level net underfed, heating quality are the most up to standard in part heat exchange station.
6, one-level net branch line caliber is bigger.
Summary of the invention
The invention aims to solve the problem that above-mentioned prior art exists, and then provide one mixed water direct heating
Operation system.
It is an object of the invention to be achieved through the following technical solutions:
A kind of mixed water direct heating runs system, including: secondary net electrical ball valve one, secondary net pressure of supply water table, once
Net supply water temperature table, a secondary net electric control valve, a secondary net water supply flow meter, secondary network pressure of supply water table, secondary network are for water temperature
Degree table, mixed water ga(u)ge, multifunctional pump, secondary net electrical ball valve two, secondary net pressure of return water table, a secondary net return water temperature table, one
Secondary net return flow meter, secondary network pressure of return water table, secondary network return water temperature table, booster pump, a secondary net feed pipe, secondary network supply
Water pipe, a secondary net return pipe, secondary network return pipe and mixed water pipe, the end phase of one end of described mixed water pipe and a secondary net feed pipe
Connection, the first end of the other end and a secondary net return pipe that mix water pipe is connected, and supplies water with a secondary net in one end of secondary network feed pipe
The end of pipe is connected, and the other end of secondary network feed pipe is connected with the first end of heat user, one end of secondary network return pipe with
The first end of one secondary net return pipe is connected, and the other end of secondary network return pipe is connected with the end of heat user, a described secondary net
It is sequentially connected in series once net electrical ball valve one, secondary net pressure of supply water table, a secondary net supply water temperature by water (flow) direction on feed pipe
Table, a secondary net electric control valve and a secondary net water supply flow meter, described secondary network feed pipe has been sequentially connected in series by water (flow) direction
Secondary network pressure of supply water table and secondary network supply water temperature table, a described secondary net return pipe has been sequentially connected in series supercharging by water (flow) direction
Pump, a secondary net return flow meter, a secondary net return water temperature table, a secondary net pressure of return water table and a secondary net electrical ball valve two, described
Secondary network return water temperature table and secondary network pressure of return water table, described mixed water have been sequentially connected in series it by water (flow) direction on secondary network return pipe
Multifunctional pump and mixed water ga(u)ge have been sequentially connected in series it by water (flow) direction on Guan.
The mixed water direct heating of the present invention runs system, reduces one-level net return water temperature about 15 DEG C, thermal substation amount of electricity saving
More than 60%, year plant maintenance expense reduction by 80%, improves the conveying capacity of first-level pipeline network 20%, substantially improves for caloic
Amount, has saved investment of equipment.
The mixed water direct heating of the present invention runs system and is independently operated, and can also in parallel with existing indirect heating system make
With, formed " indirect type heat supply runs system with mixed water direct heating common network ", be so conducive to from " indirect heating system " to " mixed
Water direct heating runs system " excessively.
Accompanying drawing explanation
Fig. 1 is existing indirect heating system structure schematic diagram.
Fig. 2 is the structural representation that the present invention mixes water direct heating operation system.
Reference in Fig. 1,1 is a water supply line, and 32 is a water supply valve, and 33 is plate type heat exchanger, and 34 are
Primary water pipeline, 35 is primary water valve, and 36 is secondary water-supply pipeline, and 37 is secondary water-supply valve, and 38 is secondary backwater
Pipeline, 39 is secondary returning penstock, and 40 is softened water tank, and 41 is small pump, and 42 is secondary network circulating pump.
Reference in Fig. 2,2 is a secondary net electrical ball valve one, and 3 is a secondary net pressure of supply water table, and 4 is that a secondary net supplies water
Thermometer, 5 is a secondary net electric control valve, and 6 is a secondary net water supply flow meter, and 7 is secondary network pressure of supply water table, and 8 is secondary network
Supply water temperature table, 9 is mixed water ga(u)ge, and 10 is multifunctional pump, and 11 is that a secondary net supplies backwater pressure reduction, and 12 is a secondary net electrical ball valve
Two, 13 is a secondary net pressure of return water table, and 14 is a secondary net return water temperature table, and 15 is a secondary net return flow meter, and 16 is secondary network
For backwater pressure reduction, 17 is secondary network pressure of return water table, and 18 is secondary network return water temperature table, and 19 is booster pump, and 20 is that a secondary net supplies
Water pipe, 21 is secondary network feed pipe, and 22 is a secondary net return pipe, and 23 is secondary network return pipe, and 24 is mixed water pipe, and 25 is that heat is used
Family.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail: the present embodiment with technical solution of the present invention is being
Implement under premise, give detailed embodiment, but protection scope of the present invention is not limited to following embodiment.
As in figure 2 it is shown, the one involved by the present embodiment mixes water direct heating runs system, including: a secondary net electric ball
Valve one 2, one secondary net pressure of supply water table 3, secondary net supply water temperature table 4, secondary net electric control valve 5, secondary net water supply flow meter
6, secondary network pressure of supply water table 7, secondary network supply water temperature table 8, mixed water ga(u)ge 9, multifunctional pump 10, secondary net electrical ball valve two
12, secondary net pressure of return water table 13, secondary net return water temperature table 14, secondary net return flow meter 15, secondary network pressure of return water table
17, secondary network return water temperature table 18, booster pump 19, secondary net feed pipe 20, secondary network feed pipe 21, secondary net return pipe 22,
Secondary network return pipe 23 and mixed water pipe 24, one end of described mixed water pipe 24 is connected with the end of a secondary net feed pipe 20, mixed water
The other end of pipe 24 and the first end of a secondary net return pipe 22 are connected, one end of secondary network feed pipe 21 and a secondary net feed pipe 20
End be connected, the other end of secondary network feed pipe 21 is connected with the first end of heat user 25, the one of secondary network return pipe 23
End is connected with the first end of a secondary net return pipe 22, and the other end of secondary network return pipe 23 is connected with the end of heat user 25,
On a described secondary net feed pipe 20 by water (flow) direction be sequentially connected in series once net electrical ball valve one 2, secondary net pressure of supply water table 3,
One secondary net supply water temperature table 4, secondary net electric control valve 5 and a secondary net water supply flow meter 6, described secondary network feed pipe 21 is pressed
Water (flow) direction has been sequentially connected in series secondary network pressure of supply water table 7 and secondary network supply water temperature table 8, and a described secondary net return pipe 22 is pressed
Water (flow) direction has been sequentially connected in series booster pump 19, secondary net return flow meter 15, secondary net return water temperature table 14, secondary net backwater pressure
Power table 13 and a secondary net electrical ball valve 2 12, described secondary network return pipe 23 has been sequentially connected in series secondary network backwater by water (flow) direction
Thermometer 18 and secondary network pressure of return water table 17, described mixed water pipe 24 has been sequentially connected in series multifunctional pump 10 and mixed water by water (flow) direction
Effusion meter 9.
The flow of described booster pump 19 is 205t/h, and the caliber of booster pump 19 is DN250.
The flow of described multifunctional pump 10 is 386t/h, and the caliber of multifunctional pump 10 is DN300.
As a example by certain community 2015 is for warm season, the actual effect of mixed water direct heating operation system be described:
Preferential reduction secondary network backwater pressurization point, secondly on this pressurization point, compression secondary network pressure reduction as far as possible, simultaneously can
Ensure secondary network Efficient Cycle, thus directly reduce multifunctional pump and the operation power of booster pump, it is achieved big temperature difference low discharge runs.
Finally by electric control valve, effectively utilize a secondary net pressure of supply water to promote secondary network pressures cycle, reduce secondary network power consumption.
One secondary net return water temperature reduces, and 2015 is lower 15 DEG C for warm season than 2014 for warm season once net backwater mean temperature, temperature
Difference increases.The hydraulic regime of heat exchange station be improved significantly.
It is obvious that mixed water direct heating runs power savings after system puts into operation on October 19th, 2015, and 2015 for warm seasons 6 months
The electricity charge 87231 yuan, 2014 for the warm season electricity charge 254036 yuan, power cost saving 166805 yuan.Power saving rate 65.66%.
This total amount 3894 family, heating community, complained 589 last year, and the rate of complaints 15.13% complains 237 this year, complained
Rate 6.09%, reduces by 9.04% on year-on-year basis.Heating effect improves, and social benefit is obvious.
Heat exchange station major maintenance equipment is heat exchanger.Needing constantly to clean for system heat exchanger between in the past, heating period changes
Hot device must clean three times average January, and Heating Period must clean 50 times, each 6 people, labour cost about 50,000 yuan, makes mixed water into
After direct heating operation system, save this part expense.
One secondary net branch line caliber is original design for DN250, according to actual operation parameters analysis, owing to a secondary net temperature difference widens,
Flow-reduction, caliber DN200 can meet requirement, and a secondary net investment reduces.
Heat exchange station initial cost of building a station is greatly reduced.250000 square metres of area of heat-supply service heat exchange station estimated costs, indirect heating
System heat exchange station 1032576 yuan, mixed water direct heating runs system heat exchange station 458058 yuan, saves 574518 yuan.
The above, the only present invention preferably detailed description of the invention, these detailed description of the invention are all based on the present invention
Different implementations under general idea, and protection scope of the present invention is not limited thereto, any are familiar with the art
Technical staff in the technical scope that the invention discloses, the change that can readily occur in or replacement, all should contain the present invention's
Within protection domain.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (3)
1. mixed water direct heating runs a system, including: secondary net electrical ball valve one (2), secondary net pressure of supply water table (3),
One secondary net supply water temperature table (4), a secondary net electric control valve (5), secondary net water supply flow meter (6), secondary network pressure of supply water table
(7), secondary network supply water temperature table (8), mixed water ga(u)ge (9), multifunctional pump (10), a secondary net electrical ball valve two (12), a secondary net
Pressure of return water table (13), secondary net return water temperature table (14), a secondary net return flow meter (15), secondary network pressure of return water table
(17), secondary network return water temperature table (18), booster pump (19), a secondary net feed pipe (20), secondary network feed pipe (21), a secondary net
Return pipe (22), secondary network return pipe (23) and mixed water pipe (24), it is characterised in that one end of described mixed water pipe (24) with once
The end of net feed pipe (20) is connected, and the mixed other end of water pipe (24) and the first end of a secondary net return pipe (22) are connected, and two
One end of secondary net feed pipe (21) is connected with the end of a secondary net feed pipe (20), the other end of secondary network feed pipe (21) with
The first end of heat user (25) is connected, and one end of secondary network return pipe (23) is connected with the first end of a secondary net return pipe (22),
The other end of secondary network return pipe (23) is connected with the end of heat user (25), and a described secondary net feed pipe (20) is upper presses current
Direction be sequentially connected in series once net electrical ball valve one (2), secondary net pressure of supply water table (3), secondary net supply water temperature table (4), one
Secondary net electric control valve (5) and secondary net water supply flow meter (6), described secondary network feed pipe (21) is gone here and there successively by water (flow) direction
It is connected to secondary network pressure of supply water table 7 and secondary network supply water temperature table (8), a described secondary net return pipe (22) is depended on by water (flow) direction
Secondary it is serially connected with booster pump (19), a secondary net return flow meter (15), secondary net return water temperature table (14), a secondary net pressure of return water table
(13) and one secondary net electrical ball valve two (12), described secondary network return pipe (23) has been sequentially connected in series secondary network by water (flow) direction and has returned
Coolant-temperature gage table (18) and secondary network pressure of return water table (17), described mixed water pipe (24) has been sequentially connected in series multifunctional pump by water (flow) direction
And mixed water ga(u)ge (9) (10).
Mixed water direct heating the most according to claim 1 runs system, it is characterised in that the flow of described booster pump (19)
For 205t/h, the caliber of booster pump (19) is DN250.
Mixed water direct heating the most according to claim 1 runs system, it is characterised in that the flow of described multifunctional pump (10)
For 386t/h, the caliber of multifunctional pump (10) is DN300.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610693520.4A CN106287897A (en) | 2016-08-19 | 2016-08-19 | A kind of mixed water direct heating runs system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610693520.4A CN106287897A (en) | 2016-08-19 | 2016-08-19 | A kind of mixed water direct heating runs system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106287897A true CN106287897A (en) | 2017-01-04 |
Family
ID=57660775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610693520.4A Withdrawn CN106287897A (en) | 2016-08-19 | 2016-08-19 | A kind of mixed water direct heating runs system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106287897A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106765442A (en) * | 2017-01-18 | 2017-05-31 | 山西三水能源股份有限公司 | Once net high-temperature water Multi-class propagation great temperature difference heat supply system |
| CN109612059A (en) * | 2018-12-04 | 2019-04-12 | 中国建筑西北设计研究院有限公司 | A kind of novel air conditioner water distributing system |
| CN110332581A (en) * | 2019-08-29 | 2019-10-15 | 大连应达实业有限公司 | Spray the efficient heating system of directly mixing type |
| CN115264555A (en) * | 2022-07-15 | 2022-11-01 | 珠海格力电器股份有限公司 | Heating control method and device and heating system |
-
2016
- 2016-08-19 CN CN201610693520.4A patent/CN106287897A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106765442A (en) * | 2017-01-18 | 2017-05-31 | 山西三水能源股份有限公司 | Once net high-temperature water Multi-class propagation great temperature difference heat supply system |
| CN109612059A (en) * | 2018-12-04 | 2019-04-12 | 中国建筑西北设计研究院有限公司 | A kind of novel air conditioner water distributing system |
| CN110332581A (en) * | 2019-08-29 | 2019-10-15 | 大连应达实业有限公司 | Spray the efficient heating system of directly mixing type |
| CN115264555A (en) * | 2022-07-15 | 2022-11-01 | 珠海格力电器股份有限公司 | Heating control method and device and heating system |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170104 |