CN201233054Y - Pre-warming and water supply system for multifunction wall hanging furnace - Google Patents

Abstract

The utility model discloses a multifunctional wall-hung boiler preheating water supply system, which comprises a wall-hung boiler host and a heating pipeline. The wall-hung boiler host is composed of a burner, a main heat exchanger, a secondary heat exchanger and a smoke exhaust system. There is a circulating water pump, which is characterized in that there is also a bathing water pipeline connected in parallel with the heating pipeline, which communicates with it through the secondary heat exchanger in the main engine, and a bathing circulation circuit is connected to the pipeline. It is connected with a circulating water device for bathing, which is composed of a bypass valve between the bathing water outlet line and the return water line of the bathing water line, a one-way valve, an expansion tank, a temperature sensor on the line, and a water pump. The circulating water device for bathing is connected to the bathing return water pipeline, and a water flow sensor is arranged on it, and a main controller is arranged in the host machine, and the temperature sensor and the water flow sensor are connected with the main controller circuit to form an intelligent control part. The utility model has the functions of heating and bathing, and can automatically preheat water supply at the same time.

Description

A multifunctional wall-hung boiler preheating water supply system

technical field

The utility model relates to the technical field of gas water heaters, in particular to a multifunctional wall-hung boiler preheating water supply system.

Background technique

Gas wall-hung boilers have powerful central heating functions for homes, can meet the heating needs of multiple rooms, and can provide large-flow constant-temperature sanitary hot water for use in family baths, kitchens and other places, and are welcomed by more domestic consumers. At present, gas-fired wall-hung boilers only use post-adjustment of outlet water temperature feedback, that is, temperature sensors are used to feed back changes in outlet water temperature to the control system, and the control system processes the feedback information and instructs the gas proportional valve to operate as a result of the processing. , by adjusting the flow of gas flowing through the proportional valve and controlling the firepower, the temperature of the outlet water is basically constant. Such a constant temperature has obvious hysteresis, and it is impossible to achieve multi-temperature and multi-point hot water; and when it is turned on, It needs to wait for burning for a period of time, and it can be used after the water temperature reaches the rated stability, which is inconvenient to use and wastes a lot of cold water.

Utility model content

The purpose of the utility model is to solve the deficiencies of the prior art and provide a multifunctional wall-hung boiler preheating water supply system that is comfortable, convenient, effective in use, safe and effective.

The utility model adopts the following technical solutions to achieve the above object:

The multifunctional wall-hung boiler preheating water supply system includes a wall-hung boiler host and a bathing circulating water device connected to the wall-hung boiler host. The wall-hung boiler host is composed of a burner, a main heat exchanger, a secondary heat exchanger, and a smoke exhaust system. , the heating pipeline is also provided with a circulating water pump, which is characterized in that the heating pipeline is connected in parallel with the bathing water pipeline, and the bathing water pipeline is connected in parallel with the heating pipeline through a secondary heat exchanger installed in the wall-hung boiler main unit, and the bathing water pipeline The road is also connected with a bathing circulation circuit, and the bathing circulation circuit is connected with a bathing circulating water device, which is composed of a bypass valve, a one-way valve, and an expansion tank arranged between the bathing water outlet pipeline and the return water pipeline of the bathing water pipeline. It consists of a temperature sensor installed on the water outlet pipeline of the bath, a temperature sensor on the return water pipeline, and a water pump. The water inlet of the bath is connected to the return water pipeline of the bath through the circulating water device for bathing. There is a main controller, and the temperature sensor and the water flow sensor are connected with the main controller to form an intelligent control part.

A plurality of water branch pipes are connected to the bathing water pipeline.

The temperature sensors are respectively installed on the bathing water pipeline connected to both ends of the plate heat exchanger, and the two ends of the pipeline of the bathing circulating water device are also respectively equipped with temperature sensors. on the water line.

The secondary heat exchanger is a plate heat exchanger.

The beneficial effect that the utility model can reach by adopting above-mentioned technical solution is:

1. This utility model adds a set of circulating water device for bathing to the bathing water system of the wall-hung boiler to form a bathing circulation loop, so that the system can circulate heating when it is in standby, and maintain the system water temperature, so as to realize hot water when the water outlet is turned on ;By increasing the water mixing pipeline, the function of multi-point and multi-temperature simultaneous use can be realized.

2. The utility model adds a bypass valve, whose function is to: prevent pipeline blockage, protect the water pump; reduce the temperature fluctuation range of the bathing water, and keep the water temperature constant.

3. The utility model is comfortable and convenient to use, realizes that the bathing water system has hot water immediately when it is turned on, and saves water resources.

Description of drawings

Fig. 1 is a structural schematic diagram of the multifunctional wall-hung boiler preheating water supply system of the present invention.

Description of reference signs: burner 1, circulating water pump 2, fan 3, main heat exchanger 4, plate heat exchanger 5, water pump 6, expansion tank 7, check valve 8, bypass valve 9, water flow sensor 10, temperature Sensor 11, heating pipeline A, bathing water pipeline B, return water pipeline C.

Detailed ways

As shown in Figure 1, the multi-functional wall-hung boiler preheating water supply system of the present invention includes two parts: the main unit of the wall-hung boiler and the bathing circulating water device. System and control system, etc., specifically including the main unit of the wall-hung boiler and the heating pipeline connected to the main unit of the wall-hung boiler. The main unit of the wall-hung boiler is composed of a burner 1, a main heat exchanger 4, and a smoke exhaust system. The water pump 2 is connected in parallel with the heating pipeline A as well as the bathing water pipeline B. The bathing water pipeline B forms a parallel pipeline with the heating pipeline A through the secondary heat exchanger installed in the main unit of the wall-hung boiler, and the bathing water pipeline B is also connected with a bathing circulation circuit, and the bathing circulation circuit is connected with a bathing circulating water device, which is composed of a bypass valve 9 and a one-way valve arranged between the bathing water outlet pipeline and the return water pipeline C of the bathing water pipeline. 8. The expansion tank 7 and the temperature sensor 11 arranged on the bath outlet pipeline, the temperature sensor 11 on the return water pipeline C, and the water pump 6 are formed. The bath water inlet is connected to the bath return water pipeline through the bath circulation water device, and the There is a water flow sensor 10, and a main controller is arranged in the main body of the wall-hung boiler. The temperature sensor 11 and the water flow sensor 10 are connected with the main controller circuit to form an intelligent control part. The bathing water pipeline is connected with a plurality of water branch pipes; the secondary heat exchanger is a plate heat exchanger 5, and the temperature sensors 11 are respectively arranged on the bathing water pipeline B connecting the two ends of the plate heat exchanger 5, and the bathing water is used for bathing. The two ends of the pipeline of the circulating water device are also provided with temperature sensors 11 respectively, and the water flow sensor 10 is installed on the bathing water inlet pipe and the bathing return water pipeline C connected to the secondary heat exchanger; the fan 3 of the smoke exhaust system is installed on the top of the main machine , the main engine circulating water pump 2 is set on the heating return water pipeline, the heating return water is heated by the main heat exchanger 4 from the water inlet pipeline, one way flows out from the heating outlet, and the other way passes through the plate heat exchanger 5 to exchange heat with the bathing circulating water again , flows to the bathing end through the bathing pipeline; the bypass valve 9 is set on the pipeline between the water outlet pipeline B and the return water pipeline C of the bathing system, and is also set on the side of the bypass valve 9 close to the return water pipeline C There is a one-way valve 8; the one-way valve 8 is also set behind the circulating water pump on the return water line C. The return water pipeline of the bath is connected with the water inlet of the bath to form a mixed water pipeline. The mixed water pipeline is equipped with a water flow sensor and a temperature sensor. The mixed water pipeline is also connected with the water inlet pipeline through a plate heat exchanger, and the automatic circulation heating of the whole system is realized by a circulating water pump. .

Claims (4)

1, a kind of multi-functional wall hanging stove preheating water system, it comprises wall hanging stove main frame and the heating pipeline that is connected with wall hanging stove main frame, wall hanging stove main frame is by burner, main heat exchanger, the secondary heat exchange device, smoke evacuation system constitutes, also be provided with water circulating pump on the heating pipeline, it is characterized in that, in parallel with heating pipeline have a bath water pipeline, the bath water pipeline is in parallel with heating pipeline by the secondary heat exchange device that is arranged in the wall hanging stove main frame, also be connected with the bathing closed circuit on the bath water pipeline, be connected with the bathing circulating water device on the bathing closed circuit, this device is by the by-passing valve between bathing outlet pipeline that is arranged on the bath water pipeline and water return pipeline, check valve, expansion tank and be arranged on temperature sensor on the bathing outlet pipeline and the temperature sensor on the water return pipeline, water pump constitutes, the bathing water inlet is communicated to the bathing water return pipeline through bathing with circulating water device, it is provided with water flow sensing unit, in wall hanging stove main frame, be provided with master controller, described temperature sensor, water flow sensing unit all connects and composes intelligent control part with main controller circuit.

2, according to the described multi-functional wall hanging stove preheating water system of claim 1, it is characterized in that: be connected with a plurality of water arms on the described bath water pipeline.

3, according to the described multi-functional wall hanging stove preheating water system of claim 1, it is characterized in that: temperature sensor is separately positioned on the bath water pipeline that connects the plate type heat exchanger two ends, bathing also is respectively arranged with temperature sensor with the pipeline two ends of circulating water device, and water flow sensing unit is arranged on the bathing water inlet pipe and connects on the bathing water return pipeline of secondary heat exchange device end.

4, according to the described multi-functional wall hanging stove preheating water system of claim 1, it is characterized in that: described secondary heat exchange device is a plate type heat exchanger.

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