CN210088954U - Multi-module combined heating system - Google Patents
Multi-module combined heating system Download PDFInfo
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- CN210088954U CN210088954U CN201920359719.2U CN201920359719U CN210088954U CN 210088954 U CN210088954 U CN 210088954U CN 201920359719 U CN201920359719 U CN 201920359719U CN 210088954 U CN210088954 U CN 210088954U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
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Abstract
The embodiment of the utility model discloses a multi-module combined heating system, the heating system is divided into a main heating circulation and an auxiliary heating circulation, the main heating circulation comprises a plate heat exchanger set and a terminal water supply loop connected with a hot water circulating water pump in series, and the heat exchange side of the plate heat exchanger set, a gas hot water boiler set and a boiler circulating pump are connected in series to form a first heat exchange loop; the auxiliary heat supply cycle comprises a steam-water heat exchanger connected in parallel with a tail end water supply loop, and a heat exchange side of the steam-water heat exchanger, a gas-steam boiler, a steam boiler water replenishing tank and a steam boiler water replenishing pump are connected in series to form a second heat exchange loop; the water inlet of the heat exchange side of the steam-water heat exchanger is provided with an electric switching valve connected with the controller, and the water outlet end of the water supply main line is provided with a temperature sensor connected with the controller. The utility model discloses a double-circuit heating cycle can guarantee heating system's high-efficient operation, again can the idle steam boiler of make full use of, improve equipment utilization to reduce boiler's total installed capacity.
Description
Technical Field
The embodiment of the utility model provides a heat supply system configuration technical field, concretely relates to heating system is united to multimode.
Background
Along with the improvement of living standard and traffic technical capability of people, the daily activity range of people is gradually enlarged, the daily activities of people are increasingly frequent no matter people work on business or travel outside, and the requirements on hotel accommodation are increasingly enhanced, so that four-star and five-star hotels in China come out like bamboo shoots in spring after rain in recent years, in order to meet the practical functions of the hotels, bed sheets of the hotels are provided with laundry rooms to meet the cleaning requirements of towels and the like, and the laundry rooms are provided with two steam boilers which are used for one by one to meet the use requirements; the gas-fired hot water boiler is required to meet the requirements of bathing hot water and heating in winter, at least two hot water boilers are arranged, and when one equipment fails, the other equipment meets 70% of the total load, so that a certain equipment of the steam boiler is idle for a long time, and the hot water boiler has large margin, which causes resource waste.
SUMMERY OF THE UTILITY MODEL
Therefore, the embodiment of the utility model provides a heating system is united to multimode to steam boiler heat supply loop is complicated among the solution prior art and is leaded to the problem of wasting of resources easily, has beneficial effect such as installation, use, maintenance convenience simultaneously.
In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:
the utility model provides a heating system is united to multimode, heating system divide into main heat supply circulation and supplementary heat supply heat circulation, main heat supply circulation includes gas hot water boiler group, plate heat exchanger group, boiler circulating pump, hot water circulating pump, plate heat exchanger group links into terminal water supply loop with hot water circulating pump series connection, terminal water supply loop is the terminal hot water supply of water, plate heat exchanger group's heat transfer side, gas hot water boiler group and boiler circulating pump series connection constitute first heat transfer loop.
The auxiliary heat supply thermal cycle comprises a steam-water heat exchanger, a gas-steam boiler, a steam boiler water supplementing tank and a steam boiler water supplementing pump, wherein the water outlet side of the steam-water heat exchanger is connected with a tail end water supply loop in parallel, and the heat exchange side of the steam-water heat exchanger, the gas-steam boiler, the steam boiler water supplementing tank and the steam boiler water supplementing pump are connected in series to form a second heat exchange loop.
The heat exchange side water inlet of the steam-water heat exchanger is provided with an electric switching valve, the water outlet end of the water supply main line is provided with a temperature sensor, and the electric switching valve and the temperature sensor are electrically connected with a controller.
In a further embodiment of the invention, the water supply loop is connected to a first expansion tank, which is connected to a first demineralized water treatment device.
In a further embodiment of the invention, the first heat exchange loop is connected to a second expansion tank, which is connected to a second softened water treatment device.
In another embodiment of the present invention, the water inlet side of the water replenishing tank of the steam boiler is connected to a third softened water treatment device.
In another embodiment of the present invention, the drain end of the gas steam boiler is connected to the blowdown cooling module to discharge low temperature waste water.
According to the utility model discloses an embodiment has following advantage:
the embodiment of the utility model provides a pair of heating system is united to multimode is through setting up double-circuit heating cycle, can guarantee heating system's high-efficient operation, again can the idle standby steam boiler of make full use of during the heat supply, improve equipment utilization ratio to can suitably reduce boiler's total installed capacity.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
Fig. 1 is a system structure diagram of a multi-module combined heating system according to an embodiment of the present invention.
In the figure:
1. a gas-fired hot water boiler group; 2. a plate heat exchanger unit; 3. a boiler circulation pump; 4. a hot water circulating pump; 5. a first expansion tank; 6. a softened water treatment device; 7. a second expansion tank; 8. a steam-water heat exchanger; 9. a gas-fired steam boiler; 10. a water replenishing tank of the steam boiler; 11. a water replenishing pump of a steam boiler; 12. a third softened water treatment device; 13. a blowdown cooling module; 14. an electrically operated switching valve; 15. a temperature sensor; 16. and a controller.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for the sake of clarity only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are also considered to be the scope of the present invention without substantial changes in the technical content.
As shown in fig. 1, the multi-module combined heat supply system is divided into a main heat supply cycle and an auxiliary heat supply cycle, the main heat supply cycle includes a gas hot water boiler group 1, a plate heat exchanger group 2, a boiler circulating pump 3 and a hot water circulating pump 4, the plate heat exchanger group 2 and the hot water circulating pump 4 are connected in series to a tail end water supply loop, and the tail end water supply loop supplies hot water to the tail end of water, such as an air conditioner and domestic hot water. The water supply loop is connected with a first expansion water tank 5, and the first expansion water tank 5 is connected with a first softened water treatment device and used for supplementing water for the water supply loop at a constant pressure.
The heat transfer side of plate heat exchanger group 2, gas hot water boiler group 1 and 3 series connections of boiler circulating pump, constitute first heat transfer loop, boiler circulating pump 3 provides water circulation power for first heat transfer loop, the high temperature hot water that gas hot water boiler produced enters into plate heat exchanger group 2's heat transfer end through first heat transfer loop, provide the heat source for plate heat exchanger group 2, warm water after the heat transfer of plate heat exchanger group 2 flows back to gas hot water boiler through first heat transfer loop, the reheating, it circulates in proper order, plate heat exchanger group 2's water delivery side provides high temperature hot water for terminal water supply loop. The first heat exchange loop is connected with a second expansion water tank 7, and the second expansion water tank 7 is connected with a second softened water treatment device and used for supplementing water for the first heat exchange loop at a constant pressure.
In order to save equipment in this embodiment, merge first softened water treatment facilities and second softened water treatment facilities and share a softened water treatment facilities 6, softened water treatment facilities 6 connect the running water end, export softened water after carrying out the softening treatment to the running water, and first expansion tank 5 and second expansion tank 7 all connect softened water treatment facilities 6, form two-way softened water output for satisfy the water demand of water supply loop and first heat transfer loop simultaneously.
The auxiliary heat supply thermal cycle comprises a steam-water heat exchanger 8, a gas-steam boiler 9, a steam boiler water supplementing tank 10 and a steam boiler water supplementing pump 11, wherein the water outlet side of the steam-water heat exchanger 8 is connected with a tail end water supply loop in parallel, and the heat exchange side of the steam-water heat exchanger 8, the gas-steam boiler 9, the steam boiler water supplementing tank 10 and the steam boiler water supplementing pump 11 are connected in series to form a second heat exchange loop. The steam boiler water replenishing pump 11 provides water circulation power for the second heat exchange loop, and high-temperature hot gas generated by the gas steam boiler 9 enters the heat exchange side of the steam-water heat exchanger 8. After heat exchange, condensed water generated at the heat exchange side flows back to the steam boiler water replenishing tank 10, so that the condensed water is recycled, water resources are saved, the heat in the condensed water can be utilized to heat the water in the steam boiler water replenishing tank 10, the water inlet temperature of the steam-water heat exchanger 8 is increased, the use amount of fuel gas is further reduced, and energy is saved.
The water inlet side of the water replenishing tank 10 of the steam boiler is connected with a third softened water treatment device 12 for providing softened water for the second heat exchange loop.
And the water discharging end of the gas steam boiler 9 is connected with a pollution discharge cooling module 13 to discharge low-temperature wastewater. The sewage of the steam boiler needs to be discharged periodically due to high temperature, and the sewage is discharged after being cooled by the sewage cooling module 13 to reach the national temperature discharge standard.
And an electric switching valve 14 is arranged at a heat exchange side water inlet of the steam-water heat exchanger 8, a temperature sensor 15 is arranged at a water outlet end of the water supply main line, and the electric switching valve 14 and the temperature sensor 15 are electrically connected with a controller 16. When the temperature sensor 15 on the water supply main pipe detects that the water temperature is lower than a set value, the control box sends an instruction to open the electric switching valve 14, open the idle steam boiler, and provide air-conditioning hot water for the air-conditioning system through the steam-water heat exchanger 8 module so as to meet the end use requirement.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (5)
1. A heating system is united to multimode, its characterized in that: the heat supply system comprises a main heat supply cycle and an auxiliary heat supply cycle, wherein the main heat supply cycle comprises a gas hot water boiler group, a plate type heat exchanger group, a boiler circulating pump and a hot water circulating pump;
the auxiliary heat supply cycle comprises a steam-water heat exchanger, a gas-steam boiler, a steam boiler water supplementing tank and a steam boiler water supplementing pump, wherein the water outlet side of the steam-water heat exchanger is connected with a tail end water supply loop in parallel, and the heat exchange side of the steam-water heat exchanger, the gas-steam boiler, the steam boiler water supplementing tank and the steam boiler water supplementing pump are connected in series to form a second heat exchange loop;
the heat exchange side water inlet of the steam-water heat exchanger is provided with an electric switching valve, the water outlet end of the water supply loop is provided with a temperature sensor, and the electric switching valve and the temperature sensor are electrically connected with a controller.
2. A multi-module combined heating system according to claim 1, characterised in that: the water supply loop is connected with a first expansion water tank, and the first expansion water tank is connected with a first softened water treatment device.
3. A multi-module combined heating system according to claim 1, characterised in that: the first heat exchange loop is connected with a second expansion water tank, and the second expansion water tank is connected with a second softened water treatment device.
4. A multi-module combined heating system according to claim 1, characterised in that: and the water inlet side of the water replenishing tank of the steam boiler is connected with a third softened water treatment device.
5. A multi-module combined heating system according to claim 1, characterised in that: and the water discharging end of the gas steam boiler is connected with a pollution discharge and temperature reduction module to discharge low-temperature wastewater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920359719.2U CN210088954U (en) | 2019-03-21 | 2019-03-21 | Multi-module combined heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920359719.2U CN210088954U (en) | 2019-03-21 | 2019-03-21 | Multi-module combined heating system |
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| CN210088954U true CN210088954U (en) | 2020-02-18 |
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| CN201920359719.2U Active CN210088954U (en) | 2019-03-21 | 2019-03-21 | Multi-module combined heating system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022121074A1 (en) * | 2020-12-10 | 2022-06-16 | 青岛新奥能源有限公司 | Digital simulation system and method for heat supply temperature curve and hydraulic balance adjustment |
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2019
- 2019-03-21 CN CN201920359719.2U patent/CN210088954U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022121074A1 (en) * | 2020-12-10 | 2022-06-16 | 青岛新奥能源有限公司 | Digital simulation system and method for heat supply temperature curve and hydraulic balance adjustment |
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