CN206269214U - A kind of urban heating net with heat-accumulator tank in parallel - Google Patents
A kind of urban heating net with heat-accumulator tank in parallel Download PDFInfo
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- CN206269214U CN206269214U CN201621247494.4U CN201621247494U CN206269214U CN 206269214 U CN206269214 U CN 206269214U CN 201621247494 U CN201621247494 U CN 201621247494U CN 206269214 U CN206269214 U CN 206269214U
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- heat
- accumulator tank
- water
- hot water
- cold water
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Abstract
A kind of urban heating net with heat-accumulator tank in parallel, it is related to a kind of urban heating net.The utility model solves the pipeline of existing heat supply network in actual use, because temperature and pressure cannot accurately be monitored in real time, easily causes the problem of pipelines from bursting.First electric control valve of the present utility model is arranged on the hot water inlet/outlet pipe of heat-accumulator tank; 3rd electric control valve is arranged on the cold water inlet/outlet pipe of heat-accumulator tank; attemperating unit is connected in parallel on the hot water inlet/outlet pipe of heat-accumulator tank; accumulation of heat cold water suction pump is connected in parallel on the cold water inlet/outlet pipe of heat-accumulator tank; second electric control valve is connected on the hot water inlet/outlet pipe of heat-accumulator tank; heat accumulation hot water suction pump is connected in parallel on the second electric control valve, in parallel with the second electric control valve and the 3rd electric control valve after the series connection of thermal source, temperature protector, pressure protector, heat user and pumps for hot water supply net.The utility model is used for urban heating.
Description
Technical field
The utility model is related to a kind of urban heating net, and in particular to a kind of urban heating net with heat-accumulator tank in parallel.
Background technology
District heat supply network is the pipeline system that concentrated supply of heating in the city thermal source conveyed and distributed heating medium to heat user
System.Heat supply network is constituted by defeated hot main line, with hot main line, branch line etc..Defeated hot main line self-heat power is drawn, and branch line is not connect typically；It is dry with heat
Line is picked out from defeated hot main line or directly from thermal source, by with hot branch line to user's heat supply.Heat supply network caliber determines according to water force.
In large-scale network, sometimes to ensure ductwork pressure operating mode (see heat supply network pressure diagram), Central Regulation and detection parameter of heating medium,
And heat supply network station is set with hot main line junction in defeated hot main line or defeated hot main line.But the pipeline of existing heat supply network is actually used
During, because temperature and pressure cannot accurately be monitored in real time, easily cause the problem of pipelines from bursting.
Utility model content
The utility model in order to solve existing heat supply network pipeline in actual use, because temperature and pressure cannot be real
When be accurately monitored, easily cause the problem of pipelines from bursting, there is provided a kind of urban heating net with heat-accumulator tank in parallel.
The technical solution of the utility model is a kind of urban heating net with heat-accumulator tank in parallel, and it includes heat-accumulator tank, heat
Source, temperature protector, attemperating unit, the first electric control valve, heat accumulation hot water suction pump, the second electric control valve, pressure protection
Device, pumps for hot water supply net, the 3rd electric control valve and accumulation of heat cold water suction pump, the first electric control valve are arranged on the hot water of heat-accumulator tank
On inlet/outlet pipe, the 3rd electric control valve is arranged on the cold water inlet/outlet pipe of heat-accumulator tank, and attemperating unit is connected in parallel on the hot water of heat-accumulator tank
On inlet/outlet pipe, accumulation of heat cold water suction pump is connected in parallel on the cold water inlet/outlet pipe of heat-accumulator tank, and the second electric control valve is connected on heat-accumulator tank
Hot water inlet/outlet pipe on, heat accumulation hot water suction pump is connected in parallel on the second electric control valve, thermal source, temperature protector, pressure protection
It is in parallel with the second electric control valve and the 3rd electric control valve after the series connection of device, heat user and pumps for hot water supply net.
Further, heat-accumulator tank includes tank body, hot water water distributing tray and nozzle and cold water water distributing tray and nozzle, hot water water distributing tray
And nozzle and cold water water distributing tray and nozzle are separately mounted to the upper and lower part in tank body, and hot water water distributing tray and nozzle and cold water
Water distributing tray and nozzle are connected with hot water inlet/outlet pipe and cold water inlet/outlet pipe respectively.
Further, the upper end of tank body offers safety valve and puts gas vent, gas feed and overfall.
Further, heat-accumulator tank also includes hot water effluent's check valve and hot water water feeding one-way valve, hot water effluent's check valve peace
On hot water inlet/outlet pipe, hot water water feeding one-way valve is connected in parallel with hot water effluent's check valve.
Further, heat-accumulator tank also includes hot water filter, and hot water filter is connected on hot water inlet/outlet pipe and is located at heat
Water goes out the outside of water one-way valve.
Further, heat-accumulator tank also includes that cold water water feeding one-way valve and cold water go out water one-way valve, cold water water feeding one-way valve peace
On cold water inlet/outlet pipe, cold water goes out water one-way valve and is connected in parallel with cold water water feeding one-way valve.
Further, heat-accumulator tank also includes cold water filter, and cold water filter goes out water one-way valve and is connected in series with cold water.
Further, heat-accumulator tank also includes blowoff valve, and cold water water distributing tray and the nozzle lower section in tank body are connected with blow-off pipe,
Blowoff valve is arranged on blow-off pipe.
The utility model has following improvement effect compared with prior art：
1st, the economical operation of steam power plant, the operation of stabilization steam power plant are strengthened：
The use of the primary benefits of hold over system is that the generating production that steam power plant can be improved under same thermic load state (subtracts
The condensing operation of few steam power plant), reduce steam power plant's operation at part load.Now heat-accumulator tank be seen as thermal source and heat user it
Between buffer, be mainly used in balance thermic load (elimination peak value) and be thermal source (with transmission ＆ distribution) provide flexibility.Consider peak-trough electricity
Valency, in flexibility and the free degree that steam power plant realizes generating electricity using heat-accumulator tank, improves the economy of steam power plant.
Heat-accumulator tank especially plays an important roll with the stabilization of extraction-condensing steam turbine to back pressure unit with economical operation, it
It is sufficiently used the heat supply of steam power plant.It stores in heat-accumulator tank, in heat supply network peakload shape the cheap heat energy of steam power plant
Under state, heat-accumulator tank and steam power plant's combined heat, it is possible to decrease the heating load of high price spike thermal source optimize the operation of system.
2nd, heat-accumulator tank is the guarantee of heat supply network safe operation：
When heating system water pump is out of service suddenly because of accidental cause, water attack will be produced, make power plant inside and heating power
Pipe network suffers very big destruction.If heating system is equipped with heat-accumulator tank, it will significantly alleviate the high-voltage oscillation that water attack is caused, and subtract
Light-water hits the destruction and disaster for causing.
3rd, heat-accumulator tank is the standby heat source of heating system：
When certain thermal source stops heat supply for some reason, heat-accumulator tank can in time run complementary heating, prevent from causing big face to stop hot shape
State.
4th, the emergency water compensating system of heat supply network when heat-accumulator tank is burst accident：
When the explosion suddenly of heat supply network somewhere during a large amount of dehydration, the heat-accumulator tank being directly connected to heat supply network is tieed up to heat supply network moisturizing immediately
System pressure is held, in case the accident of whole heat network system and stoppage in transit.
5th, building heat-accumulator tank can replace the construction of spike thermal source：
One important function of heat-accumulator tank is the peak load shifting to heating system, and its peak modulation capacity may replace construction spike heat
Source, saves the fuel consumption of spike heat supply factory.
6th, heat-accumulator tank and heating system are directly connected to, can be as heat supply network pressure fixing system because heat-accumulator tank remains constant
Liquid level, it can ensure that heating system static pressure is constant, therefore it can be used as the pressure fixing system of heat supply network.
7th, heat-accumulator tank can alleviate the fluctuation of summer heating network pressure：
Heating system summer, only for domestic hot-water's load is answered, due to the change at any time of hot water load, causes heat supply network recirculated water
The acute variation of flow, due to pumps for hot water supply net constant speed drive, thus causes the pressure acute variation of heat supply network, in ebb load
When, heating network pressure steeply rises, and threatens the safe operation of system.If having built heat-accumulator tank, it can alleviate the pressure urgency of heat supply network
Play is raised, and makes heating system safe operation.
8th, heat-accumulator tank of the present utility model and thermal source are arranged in parallel, and temperature protector and pressure protection are provided with network
Device, is capable of the ruuning situation of monitor in real time heat supply network, effectively prevent from being caused because temperature is too high energy waste and pressure it is excessive and
Cause pipelines from bursting.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model；Fig. 2 is the structural representation of heat-accumulator tank 1.
Specific embodiment
Specific embodiment one：With reference to Fig. 1 and Fig. 2 explanation present embodiments, a kind of cities and towns with heat-accumulator tank in parallel supply
Heat supply network, it includes heat-accumulator tank 1, thermal source 2, temperature protector 3, attemperating unit 4, the first electric control valve 5, heat accumulation hot water suction pump
6th, the second electric control valve 7, pressure protector 8, pumps for hot water supply net 10, the 3rd electric control valve 11 and accumulation of heat cold water suction pump
12,
First electric control valve 5 is arranged on the hot water inlet/outlet pipe 13 of heat-accumulator tank 1, and the 3rd electric control valve 11 is arranged on and stores
On the cold water inlet/outlet pipe 14 of hot tank 1, attemperating unit 4 is connected in parallel on the hot water inlet/outlet pipe 13 of heat-accumulator tank 1, accumulation of heat cold water suction pump 12
It is connected in parallel on the cold water inlet/outlet pipe 14 of heat-accumulator tank 1, the second electric control valve 7 is connected on the hot water inlet/outlet pipe 13 of heat-accumulator tank 1, stores
Hot water suction pump 6 is connected in parallel on the second electric control valve 7, thermal source 2, temperature protector 3, pressure protector 8, the and of heat user 9
Pumps for hot water supply net 10 is in parallel with the second electric control valve 7 and the 3rd electric control valve 11 after connecting.
The volume of the heat-accumulator tank 1 of present embodiment is 8000m3。
Specific embodiment two：Present embodiment is illustrated with reference to Fig. 2, present embodiment heat-accumulator tank 1 includes tank body 1-1, heat
Water cloth water pond and nozzle 1-2 and cold water water distributing tray and nozzle 1-3, hot water water distributing tray and nozzle 1-2 and cold water water distributing tray and nozzle
1-3 is separately mounted to the upper and lower part in tank body 1-1, and hot water water distributing tray and nozzle 1-2 and cold water water distributing tray and nozzle 1-3
It is connected with hot water inlet/outlet pipe 13 and cold water inlet/outlet pipe 14 respectively.It is arranged such, the setting of cold water water distributing tray and nozzle 1-3 can be just
Impurity in by tank body is sprayed, and effectively prevents the impurity such as sludge from depositing, and influences heating effect.Other compositions and connection are closed
System is identical with specific embodiment one.
From top to bottom it is followed successively by between tank body 1-1 internal hot-waters water distributing tray and nozzle 1-2 and cold water water distributing tray and nozzle 1-3
Hot water layer 15, transition zone 16 and cold water layer 17.
Specific embodiment three：Present embodiment is illustrated with reference to Fig. 2, the upper end of the tank body 1-1 of present embodiment offers
Safety valve puts gas vent 1-4, gas feed 1-5 and overfall 1-6.It is arranged such, is easy to ensure the smooth safe operation of tank body.
Other compositions and annexation are identical with specific embodiment one or two.
Specific embodiment four：Present embodiment is illustrated with reference to Fig. 2, the heat-accumulator tank 1 of present embodiment also goes out including hot water
Water one-way valve 1-7 and hot water water feeding one-way valve 1-8, hot water effluent's check valve 1-7 are arranged on hot water inlet/outlet pipe 13, hot water water inlet
Check valve 1-8 is connected in parallel with hot water effluent's check valve 1-7.It is arranged such, is easy to the import and export of unidirectionally controlled hot water, especially
Hot water effluent's check valve 1-7 can aid in the overfall to carry out draining.Other compositions and annexation and specific embodiment one, two
Or three is identical.
Specific embodiment five：Present embodiment is illustrated with reference to Fig. 2, the heat-accumulator tank 1 of present embodiment also includes hot water mistake
Filter 1-9, hot water filter 1-9 are connected on hot water inlet/outlet pipe 13 and are located at the outside of hot water effluent's check valve 1-7.So set
Put, be easy to the water for ensureing to enter into tank body to try one's best holding totally.Other compositions and annexation and specific embodiment one,
2nd, three or four is identical.
When actually used, regular dismounting cleaning is carried out to hot water filter 1-9, the filtering for having prevented from the time long bringing is imitated
It is really poor, the adverse consequences such as easy blocking.
Specific embodiment six：Present embodiment is illustrated with reference to Fig. 2, the heat-accumulator tank 1 of present embodiment also enters including cold water
Water one-way valve 1-10 and cold water go out water one-way valve 1-11, and cold water water feeding one-way valve 1-10 is arranged on cold water inlet/outlet pipe 14, cold water
Go out water one-way valve 1-11 and cold water water feeding one-way valve 1-10 to be connected in parallel.It is arranged such, it is right that cold water water feeding one-way valve 1-10 is easy to
The impurity of tank base deposition is rinsed, it is ensured that the water quality in tank body.Other compositions and annexation and specific embodiment
First, two, three, four or five are identical.
Specific embodiment seven：Present embodiment is illustrated with reference to Fig. 2, the heat-accumulator tank 1 of present embodiment also includes cold water mistake
Filter 1-12, cold water filter 1-12 go out water one-way valve 1-11 and are connected in series with cold water.It is arranged such, it is ensured that effluent characteristics.Its
It constitutes identical with specific embodiment one, two, three, four, five or six with annexation.
Specific embodiment eight：Present embodiment is illustrated with reference to Fig. 2, the heat-accumulator tank 1 of present embodiment also includes blowoff valve
1-13, cold water water distributing tray and nozzle the 1-3 lower section in tank body 1-1 is connected with blow-off pipe, and blowoff valve 1-13 is arranged on blow-off pipe.
It is arranged such, is easy to the discharging impurity sludge etc. of timely, quick, controllable discharge rate.Other composition and annexation with it is specific
Implementation method one, two, three, four, five, six or seven are identical.
Operation principle of the present utility model is：Heat-accumulator tank internal reservoir hot water, because operating pressure is normal pressure, highest work
Temperature is not higher than 98 DEG C.Water temperature is different, and the density of water is different, in enough bulk container, hot water upper, cold water under, in
Between be transition zone, here it is in heat-accumulator tank water the principle of stratification.Heat-accumulator tank is designed and worked according to the principle of stratification of water,
And its work is maintained at high efficiency.During accumulation of heat, hot water enters from top water pipe, and cold water is discharged from bottom water pipe, under transition zone
Move；During heat release, hot water is discharged from top water pipe, and cold water enters from bottom water pipe, is moved on transition zone.
The essence of the heat-accumulator tank course of work is exactly its accumulation of heat exothermic process, in user's underload, unnecessary heat energy is inhaled
Store up and deposit, wait load to be released again when rising and use.When heat-accumulator tank works, should ensure that it imports and exports water balance, keep its liquid level
Stabilization, is at peak work capacity.In addition, being brought into heat supply network to avoid the water dissolves oxygen in heat-accumulator tank, heat supply network is reduced
Water quality, generally steam (or nitrogen) is filled with the liquid level in heat-accumulator tank, keeps pressure-fired, make water and air in heat-accumulator tank every
From.
The utility model can effectively monitor the temperature that thermal source is provided by being provided with temperature protector, prevent thermal source
Supplying temperature is too high to cause whole pipe temperature too high, the problem of pipeline burst easily occurs.Pressure protector can monitor entrance
The hydraulic pressure of heat user, it is ensured that the smooth heat supply of user's heat supply pipeline, it is to avoid explosion problem of the pipeline because of the excessive generation of pressure.
Claims (8)
1. a kind of urban heating net with heat-accumulator tank in parallel, it is characterised in that：It includes heat-accumulator tank (1), thermal source (2), temperature
Protector (3), attemperating unit (4), the first electric control valve (5), heat accumulation hot water suction pump (6), the second electric control valve (7),
Pressure protector (8), pumps for hot water supply net (10), the 3rd electric control valve (11) and accumulation of heat cold water suction pump (12),
First electric control valve (5) on the hot water inlet/outlet pipe (13) of heat-accumulator tank (1), install by the 3rd electric control valve (11)
On the cold water inlet/outlet pipe (14) of heat-accumulator tank (1), attemperating unit (4) is connected in parallel on the hot water inlet/outlet pipe (13) of heat-accumulator tank (1), is stored
Hot cold water suction pump (12) is connected in parallel on the cold water inlet/outlet pipe (14) of heat-accumulator tank (1), and the second electric control valve (7) is connected on accumulation of heat
On the hot water inlet/outlet pipe (13) of tank (1), heat accumulation hot water suction pump (6) is connected in parallel on the second electric control valve (7), thermal source (2), temperature
With the second electric control valve (7) after the series connection of degree protector (3), pressure protector (8), heat user (9) and pumps for hot water supply net (10)
It is in parallel with the 3rd electric control valve (11).
2. a kind of urban heating net with heat-accumulator tank in parallel according to claim 1, it is characterised in that：Heat-accumulator tank (1)
Including tank body (1-1), hot water water distributing tray and nozzle (1-2) and cold water water distributing tray and nozzle (1-3), hot water water distributing tray and nozzle
(1-2) and cold water water distributing tray and nozzle (1-3) are separately mounted to the upper and lower part in tank body (1-1), and hot water water distributing tray and
Nozzle (1-2) and cold water water distributing tray and nozzle (1-3) are connected with hot water inlet/outlet pipe (13) and cold water inlet/outlet pipe (14) respectively.
3. a kind of urban heating net with heat-accumulator tank in parallel according to claim 2, it is characterised in that：Tank body (1-1)
Upper end offer safety valve and put gas vent (1-4), gas feed (1-5) and overfall (1-6).
4. a kind of urban heating net with heat-accumulator tank in parallel according to claim 3, it is characterised in that：Heat-accumulator tank (1)
Also include hot water effluent's check valve (1-7) and hot water water feeding one-way valve (1-8), hot water effluent's check valve (1-7) is arranged on hot water
On inlet/outlet pipe (13), hot water water feeding one-way valve (1-8) is connected in parallel with hot water effluent's check valve (1-7).
5. a kind of urban heating net with heat-accumulator tank in parallel according to claim 4, it is characterised in that：Heat-accumulator tank (1)
Also include hot water filter (1-9), hot water filter (1-9) is connected on hot water inlet/outlet pipe (13) and unidirectional positioned at hot water effluent
The outside of valve (1-7).
6. a kind of urban heating net with heat-accumulator tank in parallel according to claim 5, it is characterised in that：Heat-accumulator tank (1)
Also include that cold water water feeding one-way valve (1-10) and cold water go out water one-way valve (1-11), cold water water feeding one-way valve (1-10) is arranged on cold
On water inlet/outlet pipe (14), cold water goes out water one-way valve (1-11) and is connected in parallel with cold water water feeding one-way valve (1-10).
7. a kind of urban heating net with heat-accumulator tank in parallel according to claim 6, it is characterised in that：Heat-accumulator tank (1)
Also include cold water filter (1-12), cold water filter (1-12) goes out water one-way valve (1-11) and is connected in series with cold water.
8. a kind of urban heating net with heat-accumulator tank in parallel according to claim 7, it is characterised in that：Heat-accumulator tank (1)
Also include blowoff valve (1-13), cold water water distributing tray and nozzle (1-3) lower section in tank body (1-1) are connected with blow-off pipe, blowoff valve
(1-13) is arranged on blow-off pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621247494.4U CN206269214U (en) | 2016-11-22 | 2016-11-22 | A kind of urban heating net with heat-accumulator tank in parallel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621247494.4U CN206269214U (en) | 2016-11-22 | 2016-11-22 | A kind of urban heating net with heat-accumulator tank in parallel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206269214U true CN206269214U (en) | 2017-06-20 |
Family
ID=59040831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621247494.4U Expired - Fee Related CN206269214U (en) | 2016-11-22 | 2016-11-22 | A kind of urban heating net with heat-accumulator tank in parallel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206269214U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108895514A (en) * | 2018-04-28 | 2018-11-27 | 大连海心信息工程有限公司 | The whole network distribution storage heating system and method |
| CN108916968A (en) * | 2018-08-24 | 2018-11-30 | 沈阳世杰电器有限公司 | A kind of heating system with solid thermal energy storage device |
| CN109883233A (en) * | 2019-04-19 | 2019-06-14 | 青岛达能环保设备股份有限公司 | Power plant's depth peak regulation heat-accumulator tank control pressurer system |
| CN112460668A (en) * | 2020-12-01 | 2021-03-09 | 福建晋江热电有限公司 | Undisturbed heat storage system and method for peak valley filling of back pressure type heat supply unit |
-
2016
- 2016-11-22 CN CN201621247494.4U patent/CN206269214U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108895514A (en) * | 2018-04-28 | 2018-11-27 | 大连海心信息工程有限公司 | The whole network distribution storage heating system and method |
| CN108895514B (en) * | 2018-04-28 | 2021-01-08 | 大连海心信息工程有限公司 | Full-network distributed heat storage and supply system and method |
| CN108916968A (en) * | 2018-08-24 | 2018-11-30 | 沈阳世杰电器有限公司 | A kind of heating system with solid thermal energy storage device |
| CN109883233A (en) * | 2019-04-19 | 2019-06-14 | 青岛达能环保设备股份有限公司 | Power plant's depth peak regulation heat-accumulator tank control pressurer system |
| CN112460668A (en) * | 2020-12-01 | 2021-03-09 | 福建晋江热电有限公司 | Undisturbed heat storage system and method for peak valley filling of back pressure type heat supply unit |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170620 Termination date: 20171122 |
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| CF01 | Termination of patent right due to non-payment of annual fee |