CN220397626U - Main pipe type heating system - Google Patents

Abstract

The utility model relates to the technical field of heating, in particular to a main pipe type heating system, which comprises a heat accumulating type boiler, a water mixing tank, a heat exchanger and an indoor heating facility, wherein a low-temperature side water outlet and a low-temperature side water return port of the heat exchanger are respectively connected with the indoor heating facility, the main pipe with two closed ends is further included, a water outlet end of the heat accumulating type boiler is connected with the main pipe through a first pipeline, a water return end of the heat accumulating type boiler is connected with a water mixing tank through a second pipeline, a high Wen Cejin water outlet of the heat exchanger is connected with the main pipe through a high-temperature side water supply pipeline, a high-temperature side water outlet of the heat exchanger is connected with the water mixing tank through a high-temperature side water return pipeline, the first pipeline is provided with a first circulating pump, and the high-temperature side water supply pipeline is provided with a second circulating pump. The utility model has simple structure, and the water temperature entering the heat exchanger through the high Wen Cejin water gap is higher because the water heated by the heat accumulating type boiler is not mixed with low-temperature water in the process of entering the heat exchanger, thereby realizing the normal heat supply of indoor heat supply facilities.

Description

Main pipe type heating system

Technical Field

The utility model relates to the technical field of heating, in particular to a main pipe type heating system.

Background

The outdoor environment in winter in northern China is very cold, and the indoor environment is mainly heated by indoor heat supply facilities, wherein the indoor heat supply facilities refer to a heat supply network formed by radiators such as radiators and ground heaters. The conventional heating system generally heats water in a water mixing tank through heating equipment, the water in the water mixing tank is communicated to a heat exchanger through a high-temperature side water supply pipeline and a high-temperature side water return pipeline, and circulating water of an indoor heating facility is heated by the heat exchanger, so that the indoor heating facility is used for heating the room.

In the working process of a conventional heating system, due to the fact that the water temperature of the high-temperature side water return pipeline flowing into the water mixing tank is low, water flowing through the high-temperature side water supply pipeline and the high-temperature side water return pipeline is self-circulated in the water mixing tank, and the like, the water flowing into the water mixing tank through the high-temperature side water return pipeline is not heated to the ideal heat supply water temperature, and then enters the high-temperature side water supply pipeline again, so that the normal heat supply of indoor heat supply facilities is affected.

Disclosure of Invention

The present utility model is directed to solving at least one of the technical problems existing in the related art. To this end, the present utility model provides a main heating system.

The utility model is realized by the following technical scheme: the utility model provides a female pipe formula heating system, includes heat accumulation formula boiler, water mixing tank, heat exchanger and indoor heating facility, the indoor heating facility is connected respectively to low temperature side delivery port and low temperature side return water mouth of heat exchanger, female pipe heating system still includes both ends confined female pipe, heat accumulation formula boiler's water outlet end is connected in female pipe through first pipeline, heat accumulation formula boiler's return water end is connected in the water mixing tank through the second pipeline, the high Wen Cejin mouth of a river of heat exchanger is connected in female pipe through high temperature side water supply pipeline, the high temperature side delivery port of heat exchanger is connected in the water mixing tank through high temperature side return pipeline, first pipeline is equipped with first circulating pump, first circulating pump is used for carrying the heat accumulation formula boiler heated water to female pipe, high temperature side water supply pipeline is equipped with the second circulating pump, the second circulating pump is used for carrying the water in the female pipe to the heat exchanger.

Preferably, the nominal diameter of the parent tube is 150mm to 500mm.

Preferably, the heat accumulating type boiler is provided with a plurality of heat accumulating type boilers.

Preferably, the main pipe is further connected to a water mixing tank through a third pipe, and the sum of the flow rates of all the first circulation pumps that convey the water in the heat storage boiler to the main pipe is larger than the flow rate of the second circulation pump.

Preferably, a partition plate is arranged in the water mixing tank, the partition plate divides the inner space of the water mixing tank into a water return area and a water mixing area, water passing holes are formed in the surface of the partition plate, the second pipeline and the third pipeline are connected to the water mixing area of the water mixing tank, and the high-temperature side water return pipeline is connected to the water return area of the water mixing tank.

Preferably, the volume ratio of the water mixing area to the water return area is 6:4.

Preferably, each of the first and third conduits is provided with a control valve.

The above technical solutions in the embodiments of the present utility model have at least one of the following technical effects:

the utility model has simple structure, and the water temperature entering the heat exchanger through the high Wen Cejin water gap is higher because the water heated by the heat accumulating boiler is not mixed with low-temperature water in the process of entering the heat exchanger, thereby realizing the normal heat supply of indoor heat supply facilities; by arranging a plurality of heat accumulating type boilers, the flow rate of each first circulating pump can be relatively reduced, so that the water introduced into the main pipe from the heat accumulating type boilers can reach higher temperature; the third pipeline is arranged to preheat the low-temperature water in the water mixing tank; the water entering the heat accumulating type boiler through the second pipeline can have higher initial temperature by arranging the partition plate and the water passing holes; through adjusting the control valve, the staff can adjust the quantity of the heat accumulating boilers connected into the main pipe according to the requirement.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

In the figure: 1. indoor heating facilities; 2. a high temperature side water return pipe; 3. a water return area; 4. a water mixing tank; 5. a water passing hole; 6. a partition plate; 7. a second pipe; 8. a heat accumulating boiler; 9. a first circulation pump; 10. a first pipe; 11. a control valve; 12. a main pipe; 13. a third conduit; 14. a water mixing area; 15. a high temperature side water supply pipe; 16. a second circulation pump; 17. a high-temperature side water outlet; 18. high temperature water inlet; 19. a heat exchanger; 20. a low-temperature side water outlet; 21. a low-temperature side water return port.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

In the description of the embodiments of the present utility model, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the embodiments of the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In describing embodiments of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled," "coupled," and "connected" should be construed broadly, and may be either a fixed connection, a removable connection, or an integral connection, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in embodiments of the present utility model will be understood in detail by those of ordinary skill in the art.

In embodiments of the utility model, unless expressly specified and limited otherwise, a first feature "up" or "down" on a second feature may be that the first and second features are in direct contact, or that the first and second features are in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

As shown in fig. 1, the main pipe type heating system provided by the utility model comprises a heat accumulating type boiler 8, a water mixing tank 4, a heat exchanger 19 and an indoor heating facility 1, wherein a low-temperature side water outlet 20 and a low-temperature side water return 21 of the heat exchanger 19 are respectively connected with the indoor heating facility 1, the main pipe type heating system further comprises a main pipe 12 with two closed ends, the water outlet end of the heat accumulating type boiler 8 is connected with the main pipe through a first pipeline 10, the main pipe is provided with a first interface for being connected with the first pipeline 10, the water return end of the heat accumulating type boiler 8 is connected with the water mixing tank 4 through a second pipeline 7, a high Wen Cejin water outlet 18 of the heat exchanger 19 is connected with the main pipe through a high-temperature side water supply pipeline 15, the main pipe is provided with a second interface for being connected with the high-temperature side water supply pipeline 15, a high-temperature side water outlet 17 of the heat exchanger 19 is connected with the water mixing tank 4 through a high-temperature side water return pipeline 2, the first pipeline 10 is provided with a first circulating pump 9, the first circulating pump 9 is used for conveying the heat accumulating type boiler 8 to the water after being conveyed to the high-temperature side water circulating pump 16, and the main pipe is provided with a second circulating pump 16 for conveying the water to the heat exchanger 19. The water heated by the heat accumulating type boiler 8 enters the main pipe through the first pipeline 10 under the action of the first circulating pump 9, the water in the main pipe enters the heat exchanger 19 through the high-temperature side water supply pipeline 15 under the action of the second circulating pump 16, and the heat exchanger 19 carries out heat transfer on the circulating water of the indoor heat supply facility 1, so that the indoor heat supply facility 1 can complete indoor heating work.

After the water delivered from the high Wen Cejin water gap 18 to the heat exchanger 19 completes heat transfer to the circulating water of the indoor heat supply facility 1, low-temperature water with lower water temperature is formed, the low-temperature water is discharged from the high-temperature side water outlet 17 and flows back to the water mixing tank 4 through the high-temperature side water return pipeline 2, the water in the water mixing tank 4 enters the heat accumulating boiler 8 from the water return end of the heat accumulating boiler 8 through the second pipeline 7 for heating, wherein the low-temperature water is water with lower water temperature than the water entering the heat exchanger 19 from the high-temperature side water inlet 18.

Since the water heated by the heat accumulating type boiler 8 sequentially passes through the first pipeline 10, the main pipe and the high-temperature side water supply pipeline 15 and enters the heat exchanger 19, no low-temperature water is mixed in the process, so that the water temperature entering the heat exchanger 19 through the high Wen Cejin water gap 18 is higher, and the water temperature in the main pipe can be maintained at 50-65 ℃ in the actual application process, thereby realizing normal heat supply of the indoor heat supply facility 1.

The nominal diameter of the parent pipe is 150mm to 500mm, and in particular, in this embodiment, 300mm.

The heat accumulating type boilers 8 are provided with a plurality of heat accumulating type boilers 8, and under the condition that the flow rate of the second circulating pump 16 is unchanged, the flow rate of each first circulating pump 9 can be relatively reduced by arranging the plurality of heat accumulating type boilers 8, so that water introduced into the main pipe from the heat accumulating type boilers 8 can reach higher temperature.

The main pipe is further connected to the water mixing tank 4 through a third pipeline 13, the main pipe is provided with a third interface for connecting with the third pipeline 13, the sum of the flow rates of all the first circulating pumps 9 for conveying the water in the heat accumulating type boiler 8 to the main pipe is larger than the flow rate of the second circulating pump 16, and the water heated by the heat accumulating type boiler 8 enters the heat exchanger 19 through the high-temperature side water supply pipeline 15, and also enters the water mixing tank 4 through the third pipeline 13, so that the low-temperature water in the water mixing tank 4 can be preheated.

Be equipped with baffle 6 in mixing tank 4, baffle 6 will mix the interior space of water tank 4 and divide into return water district 3 and mixing water district 14, baffle 6 surface is equipped with water hole 5, second pipeline 7 and third pipeline 13 all are connected in mixing water district 14 of mixing tank 4, high temperature side return water pipeline 2 is connected in mixing water district 3 of water tank 4, and the low temperature water that gets into in mixing tank 4 through high temperature side return water pipeline 2 mainly concentrates in return water district 3, therefore can not directly get into the higher water intensive mixing of temperature of mixing water district 14 through third pipeline 13, so the temperature in mixing water district 14 can be higher than the temperature in return water district 3 all the time, can play better preheating effect for the water that gets into heat accumulation formula boiler 8 through second pipeline 7 has higher initial temperature.

The volume ratio of the water mixing area 14 to the water return area 3 is 6:4, the diameter of the water passing hole 5 is 100mm to 200mm, and in this embodiment, the diameter of the water passing hole 5 is 150mm.

Each first pipeline 10 and each third pipeline 13 are provided with a control valve 11, and the number of the heat accumulating boilers 8 connected into the main pipe can be adjusted by a worker according to the needs by adjusting the control valves 11.

The main pipe type heating system provided by the utility model has the working principle that water heated by the heat accumulating type boiler enters the main pipe through the first pipeline under the action of the first circulating pump, water in the main pipe enters the heat exchanger through the high-temperature side water supply pipeline under the action of the second circulating pump, and the heat exchanger carries out heat transfer on circulating water of indoor heating facilities, so that the indoor heating facilities can complete indoor heating work. After the water delivered to the heat exchanger from the water inlet of the high Wen Cejin water port completes heat transfer to circulating water of an indoor heat supply facility, low-temperature water with lower water temperature can be formed, the low-temperature water is discharged from the water outlet of the high temperature side and flows back to the water mixing tank through the water return pipe of the high temperature side, and the water in the water mixing tank enters the heat accumulating boiler from the water return end of the heat accumulating boiler through the second pipe for heating. The utility model has simple structure, and the water temperature entering the heat exchanger through the high Wen Cejin water gap is higher because the water heated by the heat accumulating boiler is not mixed with low-temperature water in the process of entering the heat exchanger, thereby realizing the normal heat supply of indoor heat supply facilities; by arranging a plurality of heat accumulating type boilers, the flow rate of each first circulating pump can be relatively reduced, so that the water introduced into the main pipe from the heat accumulating type boilers can reach higher temperature; the third pipeline is arranged to preheat the low-temperature water in the water mixing tank; the water entering the heat accumulating type boiler through the second pipeline can have higher initial temperature by arranging the partition plate and the water passing holes; through adjusting the control valve, the staff can adjust the quantity of the heat accumulating boilers connected into the main pipe according to the requirement.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (7)

1. The utility model provides a female pipe formula heating system, includes heat accumulation formula boiler, water mixing tank, heat exchanger and indoor heating facility, the low temperature side delivery port and the low temperature side return water mouth of heat exchanger connect indoor heating facility respectively, a serial communication port, still include both ends confined female pipe, heat accumulation formula boiler's play water end is connected in female pipe through first pipeline, heat accumulation formula boiler's return water end is connected in the mix water tank through the second pipeline, the high Wen Cejin mouth of a river of heat exchanger is connected in female pipe through high temperature side water supply pipeline, the high temperature side delivery port of heat exchanger is connected in the mix water tank through high temperature side return water pipeline, first pipeline is equipped with first circulating pump, first circulating pump is used for carrying the heat accumulation formula boiler after heating to female pipe, high temperature side water supply pipeline is equipped with the second circulating pump, the second circulating pump is used for carrying the water in the female pipe to the heat exchanger.

2. A primary pipe heating system according to claim 1, wherein the primary pipe has a nominal diameter of 150mm to 500mm.

3. A primary pipe heating system as claimed in claim 1, wherein the regenerative boiler is provided in plurality.

4. A primary pipe heating system according to claim 3, wherein the primary pipe is further connected to the mixing tank via a third pipe, and the sum of the flows of all the first circulation pumps that convey the water in the regenerative boiler to the primary pipe is larger than the flow of the second circulation pump.

5. The main heating system according to claim 4, wherein a partition plate is arranged in the water mixing tank, the partition plate divides the inner space of the water mixing tank into a water return area and a water mixing area, water passing holes are formed in the surface of the partition plate, the second pipeline and the third pipeline are connected to the water mixing area of the water mixing tank, and the high-temperature side water return pipeline is connected to the water return area of the water mixing tank.

6. A primary air heating system as defined in claim 5, wherein the volume ratio of the mixing zone to the return zone is 6:4.

7. A primary air heating system as claimed in claim 3, wherein each of the first and third conduits is provided with a control valve.