CN101097074B - Low section overpressure directly connecting heater unit - Google Patents
Low section overpressure directly connecting heater unit Download PDFInfo
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- CN101097074B CN101097074B CN200710012151A CN200710012151A CN101097074B CN 101097074 B CN101097074 B CN 101097074B CN 200710012151 A CN200710012151 A CN 200710012151A CN 200710012151 A CN200710012151 A CN 200710012151A CN 101097074 B CN101097074 B CN 101097074B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 80
- 238000010438 heat treatment Methods 0.000 claims abstract description 73
- 230000033228 biological regulation Effects 0.000 claims description 9
- 239000003381 stabilizer Substances 0.000 claims description 3
- 239000008400 supply water Substances 0.000 abstract description 2
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 230000004308 accommodation Effects 0.000 abstract 1
- 230000006837 decompression Effects 0.000 abstract 1
- 238000005086 pumping Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000002706 hydrostatic effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000003020 moisturizing effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The invention discloses a low area building excess pressure straight connected heating unit, which is characterized by the following: controlling water pump through electric controlled box; arranging water absorption tube at the front of the water pump; connecting the main backwater pipe of low area heat supply ductwork; arranging water outlet at the back of the water pump; connecting to high area heat supply ductwork main backwater pipe; connecting one end of water power automatic control valve to the high area heat supply ductwork main water supply pipe; connecting the other end to low area heat supply ductwork main water supply pipe; arranging water pressure controlled pipe at the upper of the water power automatic control valve; connecting to the exhaust pipe of the water pipe; or connecting to the high area heat supply ductwork main supply water pipe through energizing opening magnetic valve; and connecting to decompression pipe through de-energizing pipe. This invention possesses small accommodation area and low cost, which can be spreaded widely.
Description
Technical field the present invention relates to a kind of heating system loop and improves, and particularly a high low area building adopts same heating system, realizes the unit of low district building superpressure direct connection heating.
Background technology is along with the fast development of China's urban construction, urban heating network, various places construction scale is increasing, the mountain region builds a house more and more, some building is in the hypsography low-lying area, also some boiler room is built on the high mountain, with original municipal heating systems the very big discrepancy in elevation is arranged, the static pressure of heating network heating system surpasses the operating pressure of regulation and stipulation, for solving low district's building superpressure heating problem, original method is to adopt the heat exchanger partition-type to connect, because the heat supply water temperature is low, heat exchange area is big, need take a lot of construction areas, increase investment.The more important thing is because heating parameter reduction after the heat exchange, make constructure heating unit are radiator quantity increase, the pipeline overstriking, thereby raising building cost, cause the heating system investment many, the operating cost height causes the energy resources waste, particularly, bring a lot of difficulties to original heat supply network transformation.
The summary of the invention the technical problem to be solved in the present invention provides a kind of low district building superpressure direct connection heating unit easy for installation, as to take up an area of less, occur when avoiding termination of pumping water hammer of making.
In order to solve the problems of the technologies described above, the present invention has adopted following technical scheme: this low district building superpressure direct connection heating unit is to be subjected to be provided with suction hose before the pump of water pump of electric cabinet control, link to each other with low district heating network main water return tube, be provided with outlet pipe behind the pump of water pump, link to each other with height district heating network main water return tube; One end of waterpower autocontrol valve is connected with high district heating network main-supply through pipeline section, the other end links to each other with low district heating network main-supply through pipeline section, the top of this waterpower autocontrol valve is provided with the hydraulic pressure control valve, it links to each other with the outlet pipe of water pump, and low district heating pipe network is for the communicating pipe that is connected with the band check-valves between the return pipe.This hydraulic pressure control valve also can link to each other with height district heating network main-supply by the energising opens solenoid valve, and links to each other with relief tube by the outage opens solenoid valve; Electric cabinet control water pump, energising opens solenoid valve, outage opens solenoid valve.Also can be provided with the Flow-rate adjustment pressure-reducing valve on the high district heating network main-supply.Low district heating network main water return tube can be connected with the voltage-stabiliser tube of expansion water tank of voltage regulation.Waterpower autocontrol valve, its installation site should be lower than the height of the expansion water tank of voltage regulation on district's heating system return pipe; Behind starting mode of pump, the exit of pump water under high pressure is opened the waterpower autocontrol valve, makes the heating system water circulation of low district; When water pump was out of service, the water pressure on the hydraulic pressure control valve disappeared, and the waterpower autocontrol valve cuts out automatically.Because there are not hysteresis in water pump, waterpower autocontrol valve synchronization action, have eliminated the Hydrostatic Transfer Device problem after the termination of pumping simultaneously.Because high district pressure of return water is higher than low district, the quick closedown of pump outlet check-valves, the current existence of low district is blocked phenomenon, therefore between being responsible for for backwater, low district's heating installed the bypass pipe that has check-valves additional, make low district heating system current do the inertia circulation, avoided the destruction that water attack causes low district heating system after the termination of pumping.Expansion water tank of voltage regulation on the low district heating system return pipe guarantees that the heating system moisturizing voltage stabilizing of low district is not turned and the heating system superpressure pressure release effect of low district.The present invention is made up of the electric cabinet, water pump, Flow-rate adjustment pressure-reducing valve, piping, waterpower autocontrol valve, expansion water tank of voltage regulation and the various attached work that are installed in low district heating system, floor space is little, only need after the type selecting associated lines connection is got final product commissioning test, safe and reliable, keep in repair easy, the while cost is low, is convenient to popularize, and greatly facilitates and possibility for low district building superpressure heating system directly adopts municipal heat supply network heat supply to bring.
Description of drawings
Fig. 1 is first kind low district of the present invention building direct connection heating set structure schematic diagram.
Fig. 2 is second kind low district of the present invention building direct connection heating set structure schematic diagram.
Now the present invention is described further in conjunction with the accompanying drawings for the specific embodiment: with reference to Fig. 1, first kind low district's building superpressure direct connection heating unit, be subjected to be provided with suction hose 3 before the pump of water pump 2 of electric cabinet 1 control, it links to each other with low district heating network main water return tube, be provided with outlet pipe 4 behind the pump of water pump, it links to each other with height district heating network main water return tube; One end tube section 6 of waterpower autocontrol valve 5 is connected with high district heating network main-supply, and other end pipeline section 7 links to each other with low district heating network main-supply, and the top of this waterpower autocontrol valve is provided with hydraulic pressure control valve 8, and it links to each other with the outlet pipe of water pump; Supply to be connected with between the return pipe communicating pipe 10 of band check-valves 9 in low district.With also can be provided with Flow-rate adjustment pressure-reducing valve 11 on the pipeline section 6 that height district heating network main-supply is connected.Low district heating network main water return tube 3 can be connected with the voltage-stabiliser tube of expansion water tank of voltage regulation 12, plays moisturizing voltage stabilizing pressure release effect.Water pump 2 is by the open and close of hydraulic pressure control valve 8 control waterpower autocontrol valves 5, and the outlet pipe of waterpower autocontrol valve is connected with low district's heating main-supply by pipeline section 7.City's net heating hot water imports main water return tube 3 after flowing through and hanging down the radiator heat-dissipation of distinguishing, and squeezes into high district return pipe by water pump 2 through pipeline section 4.The setting height(from bottom) of waterpower autocontrol valve should be lower than district's heating system expansion water tank of voltage regulation 12 hydrostatic lines.The setting of waterpower autocontrol valve starting pressure value can be regulated according to actual needs.Heating system water can not form static pressure in the process that the stable equilibrium circulates.When starting mode of pump moves, the pressure on the hydraulic pressure control valve will be opened the waterpower autocontrol valve and make the heating system circulation of low district.When water pump was out of service, the pressure on the hydraulic pressure control valve disappeared, and the waterpower autocontrol valve cuts out under the pressure effect of height district heating water system automatically, and the high district and the water supply in low district are cut off.For the water hammer of eliminating termination of pumping or occurring when having a power failure suddenly, in low district for the bypass pipe 10 that is provided with band check-valves 9 between the return pipe, after water pump is out of service, check-valves on the bypass pipe is opened, form low district water system inner loop, reduce the impulsive force of water, ensured system safety operation.Electric cabinet can be cultivated electrical equipment company standard product with Shenyang China, and model is WPS-1.But the automatic backwater control valve of the structure REFERENCE TO RELATED people's of waterpower autocontrol valve patent application document (200720011969.4).
With reference to Fig. 2, second kind low district's building superpressure direct connection heating unit, its structure is identical with first kind low district's building superpressure direct connection heating unit basically, its difference is the connecting mode of hydraulic pressure control valve, the hydraulic pressure control valve 8 on this waterpower autocontrol valve top, it links to each other with height district heating network main-supply by energising opens solenoid valve 13, and links to each other with relief tube 15 by outage opens solenoid valve 14; Electric cabinet 1 control water pump 2, energising opens solenoid valve 13, outage opens solenoid valve 14.
The waterpower autocontrol valve controls its unlatching by the switch of two magnetic valves on the hydraulic pressure control valve and cuts out.The outlet pipe of waterpower autocontrol valve supplies water to be responsible for low district's heating and is connected.City's net heating hot water imports main water return tube after flowing through and hanging down the radiator heat-dissipation of distinguishing, and squeezes into high district return pipe through water pump.Valve is made in waterpower control on the main-supply automatically, and its setting height(from bottom) should be lower than district's heating system expansion water tank of voltage regulation 12 hydrostatic lines; Its open and close are controlled the waterpower autocontrol valve by a hydraulic pressure control valve 8 of drawing from Flow-rate adjustment pressure-reducing valve 11 Qian Gao district feed pipes and are opened and closed automatically.The setting of its starting pressure value can be regulated according to actual needs.Heating system water can not form static pressure in the process that the stable equilibrium circulates.When the starting mode of pump operation, energising opens solenoid valve 13 is opened, and outage opens solenoid valve 14 is closed, and the height district pressure on the hydraulic pressure control valve will be opened the waterpower autocontrol valve and make the heating system circulation of low district.Out of service when water pump, energising opens solenoid valve 13 is closed, and outage opens solenoid valve 14 is opened, and the pressure on the hydraulic pressure control valve disappears, and waterpower autocontrol valve 5 cuts out under the pressure effect of height district water system automatically, and the high district and the water supply in low district are cut off.For the water hammer of eliminating termination of pumping or can occurring when having a power failure suddenly, in low district for the bypass pipe 10 that is provided with band check-valves 9 between the return pipe, after water pump is out of service, check-valves on the bypass pipe is opened, form low district water system inner loop, reduce the impulsive force of water, ensured the safe operation of system.Fig. 2 system is more energy-conservation than Fig. 1 system, can determine employing system 1 or system 2 according to the residing position of building superpressure heating system, low district in actual engineering.
Claims (4)
1. one kind low district builds superpressure direct connection heating unit, it is characterized in that: be subjected to link to each other with low district's heating network main water return tube (3) by suction hose before the pump of water pump (2) of electric cabinet (1) control, pass through outlet pipe (4) behind the pump of water pump and link to each other with height district heating network main water return tube; The water inlet pipe of waterpower autocontrol valve (5) is connected with high district heating network main-supply through pipeline section (6), the outlet pipe of waterpower autocontrol valve (5) links to each other with low district heating network main-supply through pipeline section (7), the top of waterpower autocontrol valve (5) is provided with hydraulic pressure control valve (8) and links to each other with the outlet pipe of water pump (2), is connected with the communicating pipe (10) of band check-valves (9) between low district's heating pipe network main-supply and the main water return tube.
2. low district according to claim 1 building superpressure direct connection heating unit, it is characterized in that: the pipeline section (6) that high district heating network main-supply is connected is provided with Flow-rate adjustment pressure-reducing valve (11).
3. low district according to claim 1 building superpressure direct connection heating unit, it is characterized in that: low district's heating network main water return tube (3) is connected with the voltage-stabiliser tube of expansion water tank of voltage regulation (12).
4. one kind low district builds superpressure direct connection heating unit, it is characterized in that: be subjected to link to each other with low district's heating network main water return tube (3) by suction hose before the pump of water pump (2) of electric cabinet (1) control, pass through outlet pipe (4) behind the pump of water pump and link to each other with height district heating network main water return tube; The water inlet pipe of waterpower autocontrol valve (5) is connected with high district heating network main-supply through pipeline section (6), the outlet pipe of waterpower autocontrol valve (5) links to each other with low district heating network main-supply through pipeline section (7), the hydraulic pressure control valve (8) on waterpower autocontrol valve (5) top links to each other with height district heating network main-supply by energising opens solenoid valve (13), and links to each other with relief tube (15) by outage opens solenoid valve (14); Electric cabinet (1) control water pump (2), energising opens solenoid valve (13), outage opens solenoid valve (14) are hanged down the communicating pipe (10) that is connected with band check-valves (9) between district's heating pipe network main-supply and the main water return tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710012151A CN101097074B (en) | 2007-07-14 | 2007-07-14 | Low section overpressure directly connecting heater unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710012151A CN101097074B (en) | 2007-07-14 | 2007-07-14 | Low section overpressure directly connecting heater unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101097074A CN101097074A (en) | 2008-01-02 |
| CN101097074B true CN101097074B (en) | 2010-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710012151A Expired - Fee Related CN101097074B (en) | 2007-07-14 | 2007-07-14 | Low section overpressure directly connecting heater unit |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103175243B (en) * | 2013-02-22 | 2015-02-25 | 太原理工大学 | Double water pump water supplementing constant pressure system and constant pressure method |
| CN112169237A (en) * | 2020-10-20 | 2021-01-05 | 山东朗晖石油化学股份有限公司 | Fire water system salvagees emptying devices |
| CN113446650A (en) * | 2021-06-29 | 2021-09-28 | 西安西热节能技术有限公司 | Double-constant-pressure-value centralized heating system based on water supplementing constant-pressure mode |
| CN115111625B (en) * | 2022-06-30 | 2023-05-05 | 华电电力科学研究院有限公司 | Remote steam source heat supply network debugging method |
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| CN101097074A (en) | 2008-01-02 |
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Granted publication date: 20100519 Termination date: 20120714 |