阅读说明：本技术 一种热水供水装置及系统 (Hot water supply device and system ) 是由 刘建刚 于 2021-05-25 设计创作，主要内容包括：本发明提供了一种热水供水装置及系统,属于城市供水的技术领域,解决了现有技术中存在的热水供水回水路程不同引起的用水点温差过大的技术问题。该装置包括热水供水管、热水回水管、恒温循环阀、止回阀和关断阀；所述热水供水管和所述热水回水管通过所述恒温循环阀连通；所述关断阀设置在所述热水供水管的一端,远离恒温循环阀；所述止回阀设置在所述热水回水管的一端,远离恒温循环阀；所述热水供水管上设有多个用水点。(The invention provides a hot water supply device and a hot water supply system, belongs to the technical field of urban water supply, and solves the technical problem of overlarge water consumption point temperature difference caused by different return water routes of hot water supply in the prior art. The device comprises a hot water supply pipe, a hot water return pipe, a constant temperature circulating valve, a check valve and a shutoff valve; the hot water supply pipe and the hot water return pipe are communicated through the constant temperature circulating valve; the shutoff valve is arranged at one end of the hot water supply pipe and is far away from the constant temperature circulating valve; the check valve is arranged at one end of the hot water return pipe and is far away from the constant-temperature circulating valve; and a plurality of water using points are arranged on the hot water supply pipe.)

1. A hot water supply apparatus, comprising: a hot water supply pipe, a hot water return pipe, a constant temperature circulating valve, a check valve and a shut-off valve;

the hot water supply pipe and the hot water return pipe are communicated through the constant temperature circulating valve;

the shutoff valve is arranged at one end of the hot water supply pipe and is far away from the constant temperature circulating valve;

the check valve is arranged at one end of the hot water return pipe and is far away from the constant-temperature circulating valve;

and a plurality of water using points are arranged on the hot water supply pipe.

2. A hot water supply apparatus as claimed in claim 1, wherein the plurality of water usage points are provided in parallel on the hot water supply pipe.

3. A hot water supply apparatus according to claim 1, further comprising a first pressurizing pump and a second pressurizing pump;

the first pressure pump is connected with a hot water supply pipe;

and the second pressure pump is connected with a hot water return pipe.

4. A hot water supply system, comprising: a source water treatment apparatus, a water supply connection pipe, a water return connection pipe, and a plurality of hot water supply devices according to any one of claims 1 to 3;

the source water treatment equipment is connected with hot water supply pipes of a plurality of hot water supply devices through the water supply connecting pipes;

the source water treatment equipment is connected with the hot water return pipes of the plurality of hot water supply devices through the return water connecting pipe.

5. The hot water supply system as claimed in claim 4, wherein the source water treatment device is directly connected to one end of a hot water supply pipe of one of the hot water supply apparatuses, the water supply connection pipe is connected to the other end of the hot water supply pipe of the hot water supply apparatus, and the remaining hot water supply apparatuses are connected to the hot water treatment device through the water supply connection pipe.

6. The hot water supply system as claimed in claim 4, wherein the hot water supply pipes of the plurality of hot water supply devices are all connected in parallel to the water supply connection pipe by a first tee;

and the hot water return pipes of the hot water supply devices are connected to the return water connecting pipe in parallel through a second three-way piece.

7. The hot water supply system according to claim 4, wherein a main check valve is provided between the source water treatment apparatus and the return water connection pipe.

8. The hot water supply system of claim 4, wherein the source water treatment apparatus comprises: the water heater comprises a front filter, a central water purifier, a central water dispenser and a hot water tank;

the pre-filter, the central water purifier, the central water dispenser and the hot water tank are connected in sequence;

the hot water tank is connected with a hot water supply device connected with the source water treatment equipment.

Technical Field

The invention relates to the technical field of urban water supply, in particular to a hot water supply device and a hot water supply system.

Background

Along with the acceleration of the urbanization development, the population is increased, the water demand of users is also increased, and the traditional hot water supply system adopts either different-range backwater or serial backwater, and the traditional different-range backwater causes the temperature of hot water at each water using point to have great temperature difference due to different backwater routes, so that the load of hot water equipment is large; the serial-type backwater has large heat loss due to the adoption of layered water supply and high cost of hot water equipment, and if a large-flow appliance uses water, the water pressure is unstable, and the water using experience of a user is influenced.

Disclosure of Invention

The invention aims to provide a hot water supply device and a hot water supply system, which are used for solving the technical problem of overlarge temperature difference of water using points caused by different return routes of hot water supply in the prior art.

In a first aspect, the present invention provides a hot water supply apparatus comprising: a hot water supply pipe, a hot water return pipe, a constant temperature circulating valve, a check valve and a shut-off valve;

the hot water supply pipe and the hot water return pipe are communicated through the constant temperature circulating valve;

the shutoff valve is arranged at one end of the hot water supply pipe and is far away from the constant temperature circulating valve;

the check valve is arranged at one end of the hot water return pipe and is far away from the constant-temperature circulating valve;

and a plurality of water using points are arranged on the hot water supply pipe.

Further, the plurality of water consumption points are arranged on the hot water supply pipe in parallel.

Further, the hot water supply device also comprises a first pressurizing pump and a second pressurizing pump;

the first pressure pump is connected with a hot water supply pipe;

and the second pressure pump is connected with a hot water return pipe.

In a second aspect, the present invention also provides a hot water supply system comprising: the system comprises source water treatment equipment, a water supply connecting pipe, a backwater connecting pipe and a plurality of hot water supply devices;

the source water treatment equipment is connected with hot water supply pipes of a plurality of hot water supply devices through the water supply connecting pipes;

the source water treatment equipment is connected with hot water return pipes of a plurality of hot water supply devices through the return water connecting pipe;

furthermore, the source water treatment equipment is directly connected with one end of a hot water supply pipe of one hot water supply device, the water supply connecting pipe is connected with the other end of the hot water supply pipe of the hot water supply device, and the rest hot water supply devices are connected with the hot water treatment equipment through the water supply connecting pipe.

Furthermore, the hot water supply pipes of the plurality of hot water supply devices are connected in parallel to the water supply connecting pipe through a first tee joint;

and the hot water return pipes of the hot water supply devices are connected to the return water connecting pipe in parallel through a second three-way piece.

Furthermore, a main check valve is arranged between the source water treatment equipment and the backwater connecting pipe.

Further, the source water treatment apparatus includes: the water heater comprises a front filter, a central water purifier, a central water dispenser and a hot water tank;

the pre-filter, the central water purifier, the central water dispenser and the hot water tank are connected in sequence;

the hot water tank is connected with a hot water supply device connected with the source water treatment equipment.

The invention provides a hot water supply device, comprising: a hot water supply pipe, a hot water return pipe, a constant temperature circulating valve, a check valve and a shut-off valve; the hot water supply pipe and the hot water return pipe are communicated through the constant temperature circulating valve; the shutoff valve is arranged at one end of the hot water supply pipe and is far away from the constant temperature circulating valve; the check valve is arranged at one end of the hot water return pipe and is far away from the constant-temperature circulating valve; the water supply device is characterized in that a plurality of water using points are arranged on the hot water supply pipe, the constant temperature circulating valve and the check valve are in a closed state and the shutoff valve is in an open state in a normal state to provide hot water for the water using points, when the water temperature is not suitable, the shutoff valve is closed, and the constant temperature circulating valve and the check valve are opened to enable the water in the hot water supply pipe to flow to a water supply source through the hot water return pipe to be heated.

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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic view of a hot water supply apparatus according to an embodiment of the present invention;

fig. 2 is a schematic view of a hot water supply system according to an embodiment of the present invention.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The terms "comprising" and "having," and any variations thereof, as referred to in embodiments of the present invention, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements but may alternatively include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Along with the acceleration of the urbanization development, the population is increased, the water demand of users is also increased, and the traditional hot water supply system adopts either different-range backwater or serial backwater, and the traditional different-range backwater causes the temperature of hot water at each water using point to have great temperature difference due to different backwater routes, so that the load of hot water equipment is large; the serial-type backwater has large heat loss due to the adoption of layered water supply and high cost of hot water equipment, and if a large-flow appliance uses water, the water pressure is unstable, and the water using experience of a user is influenced.

Therefore, the technical problem of overlarge temperature difference of water using points caused by different hot water supply return routes exists.

To solve the above problems, embodiments of the present invention provide a hot water supply device and system.

Example 1:

as shown in fig. 1, RH is a hot water return pipe and RJ is a hot water supply pipe. The embodiment of the invention provides a hot water supply device, which comprises: 1, hot water supply, 2, a constant temperature circulating valve 3, a check valve 4 and a shut-off valve 5;

the hot water supply pipe 1 and the hot water return pipe 2 are communicated through the constant temperature circulating valve 3; the constant temperature circulating valve is normally positioned in the closing device, and is opened when the water temperature is not suitable, so that the water in the hot water supply pipe flows to the hot water return pipe to be reheated.

The shutoff valve 5 is arranged at one end of the hot water supply pipe 1 and is far away from the constant temperature circulating valve 3; when backwater heating is carried out, the shut-off valve needs to be closed, and when water needs to be supplied, the shut-off valve needs to be opened for supplying water.

The check valve 4 is arranged at one end of the hot water return pipe 2 and is far away from the constant temperature circulating valve 3; when the water is returned for heating, the water heater is matched with a constant-temperature circulating valve for use.

The hot water supply pipe 1 is provided with a plurality of water consumption points.

The plurality of water consumption points are arranged on the hot water supply pipe 1 in parallel.

The hot water supply device further comprises a first pressurizing pump (not shown in the figure) and a second pressurizing pump (not shown in the figure);

the first pressure pump is connected with a hot water supply pipe 1 to provide a power source for water supply.

And the second pressure pump is connected with the hot water return pipe 2 and provides a power source for returning water.

Example 2:

as shown in fig. 2, RH is a hot water return pipe and a return water connection pipe, and RJ is a hot water supply pipe and a water supply connection pipe. An embodiment of the present invention further provides a hot water supply system, including: a source water treatment device 6, a water supply connecting pipe 7, a water return connecting pipe 8 and a plurality of hot water supply devices as described in embodiment 1;

the source water treatment equipment 6 is connected with hot water supply pipes 1 of a plurality of hot water supply devices through the water supply connecting pipe 7;

the source water treatment equipment 6 is connected with hot water return pipes 2 of a plurality of hot water supply devices through the return water connecting pipe 8;

the source water treatment device 6 is directly connected with one end of a hot water supply pipe 1 of one hot water supply device, the water supply connecting pipe 7 is connected with the other end of the hot water supply pipe 1 of the hot water supply device, and the other hot water supply devices are connected with the hot water treatment device 6 through the water supply connecting pipe 7.

The hot water supply pipes 1 of the plurality of hot water supply devices are connected in parallel to the water supply connecting pipe 7 through a first three-way piece 9;

the hot water return pipes 2 of the plurality of hot water supply devices are connected in parallel to the return water connecting pipe 8 through a second three-way piece 10.

A main check valve 11 is arranged between the source water treatment equipment 6 and the backwater connecting pipe 8.

The source water treatment apparatus 6 includes: a pre-filter 601, a central water purifier 602, a central water dispenser 603 and a hot water tank 604;

the pre-filter 601, the central water purifier 602, the central water dispenser 603 and the hot water tank 604 are connected in sequence;

the hot water tank 604 is connected to a hot water supply device connected to the source water treatment apparatus 6.

In the embodiment of the invention, the constant temperature circulating valve and the check valve are in a closed state and the shutoff valve is in an open state to provide hot water for a plurality of water using points, when the water temperature is not suitable, the shutoff valve is closed, and the constant temperature circulating valve and the check valve are opened to ensure that the water in the hot water supplying pipe flows to a water supplying source through the hot water return pipe to be heated. The hot water supply system adopts a parallel method to connect the hot water supply pipe and the hot water return pipe of each hot water supply device, and uses a set of source water treatment equipment, so that the cost of the hot water treatment equipment is reduced while the return routes of each water consumption point of each floor are consistent, and if a large-flow appliance is used, the water pressure can be ensured to be stable, and the water consumption experience of a user cannot be influenced.

Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, which are used for illustrating the technical solutions of the present invention and not for limiting the same, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; and the modifications, changes or substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention. Are intended to be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.