CN104613523A - Mixing type compulsory heat supply system at terminal of heat supply network - Google Patents
Mixing type compulsory heat supply system at terminal of heat supply network Download PDFInfo
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- CN104613523A CN104613523A CN201510040641.4A CN201510040641A CN104613523A CN 104613523 A CN104613523 A CN 104613523A CN 201510040641 A CN201510040641 A CN 201510040641A CN 104613523 A CN104613523 A CN 104613523A
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Abstract
A mixing type compulsory heat supply system at a terminal of a heat supply network structurally comprises a pipeline connected with a primary network (main network) water supply pipeline, an electric door set used for supplying water, a water mixer in the middle, a secondary network (user) water return pipeline, a connecting pipeline and a secondary network (user) return water mixing and adjusting door set. The primary network (main network) water supply pipeline, a secondary network (user) water supply pipeline, the secondary network (user) water return pipeline and a primary network (main network) water return pipeline are each provided with a water supply local temperature meter, a water supply pressure meter, a water supply pressure detector, a water supply temperature detector and a water supply flow detector, and the control ends of the components are connected with a microcomputer control device. The mixing type compulsory heat supply system has the advantages that the system structure is simple; water in the primary network (main network) pipelines and water in the secondary network (user) pipelines are pressurized and mixed and then are conveyed to the terminal; after the mixing type compulsory heat supply system is applied, the heating quality is remarkably improved, energy consumption is low, and therefore the mixing type compulsory heat supply system has great economic benefits and social benefits.
Description
Technical field
The invention belongs to heating technology field, particularly the hybrid pressure heating system of a kind of heat supply network end.
Background technology
At present, China's heating mostly adopts the method for large area central heating, because area of heat-supply service is large, equipment is complicated, so be equipped with heat exchanger in the middle of heating installation, this addresses the problem the safe operation of heating system equipment, form the separation of a secondary network, its weak point is that this heating system heat energy loss is large, and heat utilization rate is low, on the other hand because heating area is large, pipeline is far away, so cause user's end for thermal unbalance, inequality of being heated, does not reach the technical requirement of heating technically.
Summary of the invention
For solving the deficiency of above heating method and heating equipment, object of the present invention provides a kind of heat supply network end hybrid pressure heating system, utilize this system to efficiently solve the thermal balance question of heat supply terminal temperature difference, generally improve heating temperature, to reach the object of heating technology requirement.
Technical scheme of the present invention is achieved in that heating system of the present invention, comprises heat supply method and heating plant
Wherein heating plant includes the pipeline be connected with a secondary net (major network) water supply line 1, the water-water jet 10 of a secondary net (major network) water supply Electrically operated gate group 8 and centre; Secondary network (user) return piping 19 and the pipeline connected, secondary network (user) backwater mixes water adjustment door group 25, on one secondary net (major network) water supply line 1, on secondary network (user) water supply line 18, on secondary network (user) return piping 19 and on the return piping 34 of a secondary net (major network), the thermometer on the spot that supplies water all is housed, pressure of supply water table, pressure of supply water detect, supply water temperature detects, water supply flow detects.
For realizing this heat supply method, first will get the part in a secondary net (major network) water supply line 1, by being sent in the water-water jet 10 of concentrated water storage after pipeline, a secondary net (major network) water supply Electrically operated gate group 8; Again water in secondary network (user) return piping 19 is taken out a part in addition, pass through pipeline, secondary network (user) backwater mixes water adjustment door group 25 and is sent in the water-water jet 10 of fixture water storage, two parts water is mixed, mixed water is again by circulation force (forcing) pump group 12, send in the water supply line 18 of secondary network (user), supply user side, the operation entering out pipeline end and adjustment door is all monitored by computer control device 35.
Its structure of heating plant a: secondary net (major network) feed pipe line end 1 cuts off access door 2 by a secondary net (major network) water supply line, one secondary net (major network) water supply Electrically operated gate group 8 is connected with water-water jet 10 top, on pipeline before Electrically operated gate group 8, thermometer 3 and on the spot Pressure gauge 4 are on the spot housed, pressure of supply water is also housed on pipeline and detects 5, supply water temperature detects 6 and water supply flow detection 7, described pressure detecting 5, supply water temperature detects 6 and is all connected with microcomputer control end 35 with its output of water supply flow detection 7, water-water jet Pressure gauge 9 is on the spot equipped with in the side of water-water jet 10, opposite side is equipped with mixed water pressure and detects 11, its output is connected with microcomputer control end 34,
After secondary network (user) return piping 19 cuts off access door 20 by return piping, a road is connected with secondary network (user) backwater Mixed adjustment door group 25, this adjustment Men Zuwei two-way adjustment door, and its adjustment door group 25 output is connected with water-water jet 10 middle; Another road return piping 19 connects dual decompression door, backwater once reduce pressure door 26, water return secondary decompression door 27, be connected with the return piping 34 of a secondary net (major network) through circling water flow rate adjustment door group 28, cut off on access door 20 export pipeline at its return piping and backwater Pressure gauge 21 is on the spot housed, backwater is thermometer 22 on the spot, return water temperature is also housed and detects 23 and pressure of return water detection 24, its output is connected with microcomputer control end 34;
In the middle of the device of this heating system, water-water jet 10 lower end pipeline is by circulation force (forcing) pump group 12, secondary network (user) supplies water and cuts off access door 17, be connected with secondary network (user) water supply line 18, wherein compression pump group 12 is the using and the reserved, pump group output is connected with microcomputer control end 34, the pipeline be connected with secondary network (user) water supply line 18 is also equipped with thermometer 15, on the spot Pressure gauge 16, pressure of supply water on the spot detect 13 and supply water temperature detect 14, its output of above-mentioned two parts is connected with microcomputer control end 34;
By secondary network (user) circling water flow rate adjustment valve sets 28 between described secondary network (user) return piping 19, cut off access door 33 by a secondary net (major network) backwater to be again connected with a secondary net (major network) return piping 34, pipeline is equipped with backwater Pressure gauge 31, backwater thermometer 32, pressure of return water detection 29, return water temperature detection 30 on the spot on the spot, and described pressure detecting 29 and return water temperature detect 30 outputs and are connected with microcomputer control end 34.
Good effect of the present invention: system architecture is simple, after one secondary net (major network) secondary network (user) pipeline pressurization mixing, again heating terminal is delivered to, after specifically implementing, significantly improve heating quality, energy loss little, in whole control system, by microcomputer Full-automatic monitoring, there is very large Social benefit and economic benefit, be applicable to promoting the use of.
Accompanying drawing explanation
Fig. 1 is heat supply network end of the present invention hybrid pressure heating system block diagram;
Fig. 2 is heat supply network end of the present invention hybrid pressure heating system structure schematic diagram.
Shown in figure:
1 one secondary nets (major network) water supply line; 2 one secondary nets (major network) water supply line cuts off access door;
3 one secondary nets (major network) supply water thermometer on the spot; 4 one secondary nets (major network) supply water Pressure gauge on the spot;
5 one secondary nets (major network) pressure of supply water detects; 6 one secondary nets (major network) supply water temperature detects;
7 one secondary nets (major network) water supply flow detects; 8 one secondary nets (major network) water supply Electrically operated gate group;
9 one secondary nets (major network) water-water jet Pressure gauge on the spot; 10 water-water jets;
11 water-water jet pressure detecting; 12 circulation force (forcing) pump groups (fortune one is standby);
13 secondary networks (user) pressure of supply water detects; 14 secondary networks (user) supply water temperature detects;
15 secondary networks (user) supply water thermometer on the spot; 16 secondary networks (user) supply water Pressure gauge on the spot;
17 secondary networks (user) supply water and cut off access door; 18 secondary networks (user) water supply line;
19 secondary networks (user) return piping; 20 secondary networks (user) return piping cuts off access door;
21 secondary networks (user) backwater Pressure gauge on the spot; 22 secondary networks (user) backwater thermometer on the spot;
23 secondary networks (user) return water temperature detects; 24 secondary networks (user) pressure of return water detects;
25 secondary networks (user) backwater mixes water adjustment door group; 26 secondary networks (user) backwater once reduces pressure door;
27 secondary networks (user) water return secondary decompression door; 28 secondary networks (user) circling water flow rate adjustment door group;
29 1 secondary nets (major network) pressure of return water detects; 30 1 secondary nets (major network) return water temperature detects;
31 1 secondary nets (major network) backwater Pressure gauge on the spot; 32 1 secondary nets (major network) backwater thermometer on the spot;
33 1 secondary nets (major network) backwater cuts off access door; 34 1 secondary nets (major network) return piping;
35 computer control devices.
Detailed description of the invention
Below in conjunction with drawings and Examples, heat supply method and heating plant are described in detail.
Heating system of the present invention is connected by Control System of Microcomputer and pipeline and control gate forms, and wherein centered by water-water jet 10, has three tunnels to be connected with outside.Wherein a road is a secondary net (major network), and water supply line 1 is connected with water-water jet 10 top by cut-out access door 2, secondary net (major network) the water supply Electrically operated gate group 8 on a secondary net (major network) water supply line;
Another road is the cut-out access door 17 of secondary network (user) return piping 18 by secondary network (user) return piping 19, and circulating pressure pump group 12 is connected with the bottom of water-water jet 10;
A road is secondary network (user) net return piping 19 again, and by the cut-out access door 20 of secondary network (user) return piping 19, secondary network (user) backwater Mixed adjustment door group 25 is connected with the middle part of water-water jet 10; Described backwater Mixed adjustment door group 25 adopts two to adjust door group, can reach best mixed water effect;
Once reduce pressure door 26, water return secondary decompression door 27, circling water flow rate adjustment door group 28 of the cut-out access door 20 of secondary network (user) return piping 19, backwater is connected with a secondary net (major network) return piping 34, why adopt dual pressure-reducing valve to reduce the burden of substance pressure valve, realize more effective control, one secondary net (major network) water supply line is connected with the total net heat exchanger of a secondary net (major network) return piping and heat supply, and secondary network (user) water supply line 18, secondary network (user) return piping 19 are connected with terminal heat supply fin.
This heating system has used direct supply system, especially pipe end, and there is the heating operating mode application of little high level, the backwater held due to secondary network (user) introduces part mixing by intelligentized control, therefore when not affecting supervisor's net, greatly improve pressure and the flow of secondary network, end heat supply temperature significantly improves;
Come as the hot water of a secondary net (major network) for water end (W.E.), by entering water-water jet 10 after water supply Electrically operated gate group 8, mixed water another part water mixes the adjustment of water adjustment door group 25 by backwater and enters, main pipe network water supply supplies user heating through force (forcing) pump after mixing with secondary network (user) backwater, secondary network (user) heating part backwater is through the door that once reduces pressure, turn back to return piping 34 through circling water flow rate adjustment door group 28 again after the decompression of secondary pressure door, and do not affect the pressure of return water of supervisor's net.
Claims (4)
1. the hybrid pressure heat supply method of heat supply network end, is characterized in that this heat supply method includes the pipeline be connected with a secondary net (major network) water supply line (1), the water-water jet (10) of a secondary net (major network) water supply Electrically operated gate group (8) and centre; Secondary network (user) return piping (19) and the pipeline connected, secondary network (user) backwater mixes water adjustment door group (25), on one secondary net (major network) water supply line (1), on secondary network (user) water supply line (18), secondary network (user) return piping (19) above and on the return piping (34) of a secondary net (major network) is all equipped with the thermometer on the spot that supplies water, the heating plants such as the detection of pressure of supply water table, pressure of supply water, supply water temperature detection, water supply flow detection;
For realizing this heating method, first the part in a secondary net (major network) water supply line (1) will be got, pass through pipeline, be sent in the water-water jet (10) of concentrated water storage after one secondary net (major network) water supply Electrically operated gate group (8), again water in secondary network (user) return piping (19) is taken out a part in addition, pass through pipeline, secondary network (user) backwater mixes water adjustment valve sets (25) and is sent in the water-water jet (10) of fixture water storage, two parts water is mixed, by circulation force (forcing) pump group (12), mixed water is made a gift to someone in the water supply line (18) of secondary network (user) again, the operation of all pipelines and Ge Men group is all monitored by computer control device (35).
2. a heat supply network end mixing forced action type heating plant, it is characterized in that this device is by a secondary net (major network) feed pipe line end (1). cut off access door (2) by a secondary net (major network) water supply line, one secondary net (major network) water supply Electrically operated gate group (8) is connected with water-water jet (10) top, on the pipeline that Electrically operated gate group (8) inputs, thermometer (3) and on the spot Pressure gauge (4) are on the spot housed, pressure of supply water is also housed on pipeline and detects (5), supply water temperature detects (6) and water supply flow detects (7), described pressure detecting (5), supply water temperature detects (6) and is all connected with microcomputer control end with water supply flow detection (7) its output, water-water jet Pressure gauge (9) and water-water jet pressure detecting (11) is on the spot equipped with in the side of blender (10), it detects (11) output and is connected with microcomputer control end,
Secondary network (user) return piping (19) cuts off access door (20) by return piping and is connected with secondary network (user) backwater Mixed adjustment door group (25) on a road afterwards, its group (25) output is connected with water-water jet (10) intermediate point, another road is led to backwater and once to be reduced pressure door (26), water return secondary decompression door (27), circling water flow rate adjustment door group (28) is connected with the return piping (34) of a secondary net (major network), its pipeline is equipped with backwater Pressure gauge (21) on the spot, backwater is thermometer (22) on the spot, return water temperature is also housed and detects (23) and pressure of return water detection (24), its output is connected with microcomputer control end,
In the middle of this device, the lower end pipeline of water-water jet (10) is by circulation force (forcing) pump group (12), secondary network (user) supplies water and cuts off access door (17), be connected with secondary network (user) water supply line (18), wherein compression pump group (12), pump group output is connected with microcomputer control end, the pipeline be connected with secondary network (user) water supply line (18) is also equipped with thermometer (15) on the spot, Pressure gauge (16) on the spot, pressure of supply water detects (13) and supply water temperature detects (14), its output of above-mentioned two parts is connected with microcomputer control end, middle by secondary network (user) circling water flow rate adjustment valve sets (28), cut off access door (33) by a secondary net (major network) backwater to be again connected with a secondary net (major network) return piping, pipeline is equipped with backwater Pressure gauge (31) on the spot, backwater is thermometer (32) on the spot, pressure of return water detects (29), return water temperature detects (30), described pressure detecting (29) and return water temperature detect (30) output and are connected with microcomputer control end.
3., by the hybrid pressure heating plant of heat supply network end described in claim 2, it is characterized in that secondary network (user) backwater Mixed adjustment door group (25) described in this device is two-way adjustment door.
4. by the hybrid pressure heating plant of heat supply network end described in claim 2, it is characterized in that this described device return piping (19) connects dual decompression door, once reduce pressure door (26) and water return secondary of backwater reduces pressure door (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510040641.4A CN104613523A (en) | 2015-01-28 | 2015-01-28 | Mixing type compulsory heat supply system at terminal of heat supply network |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510040641.4A CN104613523A (en) | 2015-01-28 | 2015-01-28 | Mixing type compulsory heat supply system at terminal of heat supply network |
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| CN104613523A true CN104613523A (en) | 2015-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510040641.4A Pending CN104613523A (en) | 2015-01-28 | 2015-01-28 | Mixing type compulsory heat supply system at terminal of heat supply network |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108800268A (en) * | 2018-08-17 | 2018-11-13 | 国电龙源电力技术工程有限责任公司 | Heating system and method suitable for long range heat supply |
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| EP0228307A1 (en) * | 1985-12-23 | 1987-07-08 | S.A. "Compagnie Generale De Chauffe" | Process for heating domestic and other spaces and for supplying hot water for sanitary uses, using geothermal heat from subterranean wells |
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| CN203757818U (en) * | 2014-03-27 | 2014-08-06 | 高海生 | Direct-heating heat-supply heat exchanger unit |
| CN203907725U (en) * | 2014-06-05 | 2014-10-29 | 于志军 | Multi-layer heating and water-mixing unit for radiant floor heating system |
| CN204026803U (en) * | 2014-08-22 | 2014-12-17 | 太原海源泵业有限公司 | A kind of thermal power plant unit |
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|---|---|---|---|---|
| EP0228307A1 (en) * | 1985-12-23 | 1987-07-08 | S.A. "Compagnie Generale De Chauffe" | Process for heating domestic and other spaces and for supplying hot water for sanitary uses, using geothermal heat from subterranean wells |
| CN201531940U (en) * | 2009-10-21 | 2010-07-21 | 山东鲁润热能科技有限公司 | Integrated intelligent water mixing set |
| CN102278784A (en) * | 2011-05-13 | 2011-12-14 | 新疆西部热力集团有限公司 | Distributed direct-mixing heat supply system |
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| CN203757818U (en) * | 2014-03-27 | 2014-08-06 | 高海生 | Direct-heating heat-supply heat exchanger unit |
| CN203907725U (en) * | 2014-06-05 | 2014-10-29 | 于志军 | Multi-layer heating and water-mixing unit for radiant floor heating system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108800268A (en) * | 2018-08-17 | 2018-11-13 | 国电龙源电力技术工程有限责任公司 | Heating system and method suitable for long range heat supply |
| CN108800268B (en) * | 2018-08-17 | 2023-07-04 | 国能龙源电力技术工程有限责任公司 | Heating system and method suitable for long-distance heat supply |
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