CN216448380U

CN216448380U - Automatic water circulation structure of gas boiler

Info

Publication number: CN216448380U
Application number: CN202122342535.5U
Authority: CN
Inventors: 郑秋生; 郑家春; 刘艳
Original assignee: Anhui Anran Energy Saving And Environmental Protection Equipment Co ltd
Current assignee: Anhui Anran Energy Saving And Environmental Protection Equipment Co ltd
Priority date: 2021-09-27
Filing date: 2021-09-27
Publication date: 2022-05-06
Anticipated expiration: 2031-09-27

Abstract

The utility model provides an automatic water circulation structure of a gas boiler, which comprises a boiler, a circulating pump, a plurality of heat exchangers, a water diversion valve, a plurality of three-way valves and a water replenishing tank, wherein a water inlet pipe is sequentially connected among the boiler, the water replenishing tank, the circulating pump, the water diversion valve, the three-way valves and the heat exchangers, the heat exchangers and the three-way valves are connected with a water outlet of the water diversion valve in a parallel connection mode, a water return pipe is connected between the heat exchangers and a water inlet of the boiler, the heat exchangers are respectively connected with branch pipes in parallel, and two ends of each branch pipe are respectively communicated with the three-way valves and the water return pipe. According to the utility model, the water distribution valve can distribute inlet water more uniformly through the rotation of the runner blades, so that the temperature difference among the heat exchangers is reduced, meanwhile, the water return pipeline can be kept smooth through the branch pipes connected in parallel, and the pipeline blockage caused by the precipitation, solidification and solidification of impurities in water is avoided.

Description

Automatic water circulation structure of gas boiler

Technical Field

The utility model relates to the technical field of boiler water circulation, in particular to an automatic water circulation structure of a gas boiler.

Background

People utilize the heating mode of equipment to be various, and to some small-size places such as family hotel, adopt gas boiler and water circulating system's mode to heat usually, this kind of heating mode installation is simple, and is nimble, and the heat supply is effectual, and investment cost is also lower.

The gas boiler heating that uses commonly at present is automatic water circulating system, carries out the heat exchange through heat exchanger and outside, but current water circulating system has following shortcoming: 1. when the shunt valve is used for multi-path water circulation, water flow is unevenly distributed, the temperature difference between the heat exchangers is large, and 2, the branch pipelines of the heat exchangers are stopped for a long time, so that sediments are easily blocked, and the heat exchange effect is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an automatic water circulation structure of a gas boiler, which overcomes or at least partially solves the problems, so as to solve the problems that when a water distribution valve is used for multi-path water circulation, water flow is unevenly distributed, the temperature difference between heat exchangers is large, and branch pipelines of the heat exchangers are easy to generate sediment blockage after being stopped for a long time, so that the heat exchange effect is influenced.

In order to achieve the purpose, the technical scheme of the utility model is realized as follows:

the utility model provides an automatic water circulation structure of a gas boiler, which comprises a boiler, a circulating pump, a plurality of heat exchangers, a water diversion valve, a plurality of three-way valves and a water replenishing tank, wherein a water inlet pipe is sequentially connected among the boiler, the water replenishing tank, the circulating pump, the water diversion valve, the plurality of three-way valves and the plurality of heat exchangers;

the rotating wheels are respectively and rotatably nested in the shell, the rotating shafts of the rotating wheels extend to the outer portion of the shell and are fixedly connected with the first gears, the second gears are respectively positioned among the first gears and are meshed with the first gears, and the inlet and the outlet of the shell are respectively communicated with the water inlet pipe.

Preferably, install the filter plate in the middle of the inside of moisturizing case, the filter plate will moisturizing case falls into two parts, the filter plate adopts the active carbon material.

Preferably, the position of the rotating wheel corresponds to the position of the water outlet of the shunt valve.

Preferably, the outer surfaces of the water replenishing tank, the water dividing valve, the water inlet pipe, the water return pipe and the branch pipe are all covered with heat insulating layers.

Preferably, the boiler and the circulating pump are linked through an automatic control system.

Preferably, a liquid level alarm system and a filth blockage alarm system are further arranged in the water replenishing tank.

The utility model provides an automatic water circulation structure of a gas boiler, which has the beneficial effects that:

1. according to the utility model, through the arranged rotating wheel, the first gear and the second gear, water flow pushes one rotating wheel to rotate, and other rotating wheels synchronously rotate with the rotation of the first gear and the second gear through the meshing action between the first gear and the second gear, so that hot water entering the water distribution valve is uniformly divided by the blades of the rotating wheel and is delivered to the water outlet under pressure, and then enters the heat exchanger through the water inlet pipe, so that the temperature difference gradient between the heat exchangers is smaller and more uniform.

2. According to the utility model, through the arrangement of the branch pipe and the three-way valve, when a certain heat exchanger needs to be closed, only the corresponding three-way valve needs to be switched to the communication direction, so that the water inlet pipe directly flows into the water return pipe through the three-way valve and the branch pipe, the loop is still kept smooth, and the phenomenon that impurities in water are precipitated and solidified due to the fact that a pipeline does not circulate and influence the later-stage water circulation heat supply effect can be effectively avoided.

3. According to the utility model, the filter plate is detachably arranged, and impurities in water can be filtered and adsorbed by virtue of the activated carbon adsorption characteristic of the filter plate, so that precipitated impurities in subsequent pipelines are reduced, and the pipelines are prevented from being blocked.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.

FIG. 1 is a system diagram provided by an embodiment of the present invention;

FIG. 2 is a cross-sectional view of a diverter valve provided in accordance with an embodiment of the present invention;

figure 3 is an elevation view of a diverter valve provided in accordance with an embodiment of the present invention.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

As shown in fig. 1-3, the automatic water circulation structure of a gas boiler of this embodiment includes a boiler 1, a circulation pump 2, a plurality of heat exchangers 3, a diversion valve 4, a plurality of three-way valves 5 and a water replenishing tank 6, wherein a water inlet pipe 7 is sequentially connected between the boiler 1, the water replenishing tank 6, the circulation pump 2, the diversion valve 4, the plurality of three-way valves 5 and the plurality of heat exchangers 3, the plurality of heat exchangers 3 and the plurality of three-way valves 5 are connected in parallel with a water outlet of the diversion valve 4, a water return pipe 8 is connected between the plurality of heat exchangers 3 and a water inlet of the boiler 1, the plurality of heat exchangers 3 are respectively connected in parallel with a branch pipe 9, two ends of the branch pipe 9 are respectively communicated with the three-way valves 5 and the water return pipe 8, the diversion valve 4 includes a housing 41, a plurality of runners 42, a plurality of first gears 43 and a plurality of second gears 44;

the plurality of rotating wheels 42 are respectively rotatably nested in the housing 41, the rotating shafts of the rotating wheels 42 extend to the outside of the housing 41 and are fixedly connected with the first gears 43, the plurality of second gears 44 are respectively positioned among the plurality of first gears 43 and are in meshed connection with the first gears 43, and the inlet and the outlet of the housing 41 are respectively communicated with the water inlet pipe 7.

In the working process, hot water heated by the boiler 1 is pumped into the water distribution valve 4 through the water replenishing tank 6 and the circulating pump 2 through the water inlet pipe 7, the water flow pushes one runner 42 to rotate, the other wheels 42, by the meshing action between the first gear 43 and the second gear 44, also rotate with synchronization, so that the hot water entering the interior of the water diversion valve 4 is evenly divided by the blades of the runner 42 and is pumped to the water outlet, and then enters the heat exchanger 3 through the water inlet pipe 7, so that the temperature difference gradient between the heat exchangers 3 is smaller and more uniform, when a certain heat exchanger 3 needs to be closed, only the corresponding three-way valve 5 needs to be switched to the communication direction, so that the water inlet pipe 7 directly flows into the water return pipe 8 through the three-way valve 5 and the branch pipe 9, the loop is still kept smooth, can effectually avoid the pipeline not circulate and lead to aquatic impurity to deposit the solidification, influence later stage hydrologic cycle heat supply effect.

As shown in fig. 1, a filter plate 10 is installed in the middle of the inside of the water replenishing tank 6, the water replenishing tank 6 is divided into two parts by the filter plate 10, the filter plate 10 is made of activated carbon, the filter plate 10 is detachably designed, impurities in water can be filtered and adsorbed by the activated carbon adsorption characteristic of the filter plate 10, precipitated impurities in subsequent pipelines are reduced, and pipelines are prevented from being blocked.

As shown in fig. 2, the position of the runner 42 corresponds to the position of the water outlet of the shunt valve 4, the runner 42 uniformly divides the water flow and sends the water flow to the water outlet by the dividing function of the blades, so as to uniformly adjust the flow rate of each water outlet, and meanwhile, the hot water in the shell 41 flows more uniformly and the temperature difference is smaller by the rotation of the runner 42.

As shown in fig. 1-3, the outer surfaces of the water replenishing tank 6, the water dividing valve 4, the water inlet pipe 7, the water return pipe 8 and the branch pipe 9 are covered with heat insulating layers (not shown in the figures), which play a role in heat insulation, reduce heat loss of pipelines and save energy, and are prior art and not described in detail.

As shown in fig. 1, a boiler 1 and a circulation pump 2 are linked by an automatic control system (not shown), and the energy saving and safety of the system operation are improved by the automatic control system.

As shown in fig. 1, a liquid level alarm system and a filth blockage alarm system (not shown) are further arranged in the water replenishing tank 6, so that the intelligence of the system is increased, the working state and the filth blockage condition of the filter plate 10 are automatically prompted, and a user can replace the filter plate 10 in time.

The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. The automatic water circulation structure of the gas boiler is characterized by comprising a boiler (1), a circulating pump (2), a plurality of heat exchangers (3), a shunt valve (4), a plurality of three-way valves (5) and a water replenishing tank (6), wherein a water inlet pipe (7) is sequentially connected among the boiler (1), the water replenishing tank (6), the circulating pump (2), the shunt valve (4), the plurality of three-way valves (5) and the plurality of heat exchangers (3), a plurality of heat exchangers (3) and a plurality of three-way valves (5) are connected with a water outlet of the shunt valve (4) in a parallel connection mode, a water return pipe (8) is connected between the plurality of heat exchangers (3) and a water inlet of the boiler (1), a plurality of branch pipes (9) are respectively connected in parallel with the heat exchangers (3), and two ends of the branch pipes (9) are respectively communicated with the three-way valves (5) and the water return pipe (8), the shunt valve (4) comprises a shell (41), a plurality of rotating wheels (42), a plurality of first gears (43) and a plurality of second gears (44);

the rotating wheels (42) are respectively rotatably nested in the shell (41), the rotating shafts of the rotating wheels (42) extend to the outer portion of the shell (41) and are fixedly connected with the first gears (43), the second gears (44) are respectively positioned among the first gears (43) and are meshed with the first gears, and the inlet and the outlet of the shell (41) are respectively communicated with the water inlet pipe (7).

2. The automatic water circulation structure of a gas boiler according to claim 1, characterized in that a filter plate (10) is installed in the middle of the inside of the water replenishing tank (6), the water replenishing tank (6) is divided into two parts by the filter plate (10), and the filter plate (10) is made of activated carbon.

3. The automated water circulation structure of a gas boiler according to claim 2, wherein the position of the runner (42) corresponds to the position of the water outlet of the water diversion valve (4).

4. The automated water circulation structure of a gas boiler according to claim 3, wherein the outer surfaces of the moisturizing tank (6), the shunt valve (4), the inlet pipe (7), the return pipe (8) and the branch pipe (9) are covered with an insulating layer.

5. The automated water circulation structure of a gas boiler according to claim 4, wherein the boiler (1) is linked with the circulation pump (2) by an automatic control system.

6. The automatic water circulation structure of a gas boiler according to claim 5, characterized in that a liquid level alarm system and a filth blockage alarm system are further provided in the water replenishing tank (6).