CN211503250U

CN211503250U - Dual-purpose condensation positive displacement gas water heater

Info

Publication number: CN211503250U
Application number: CN201922325008.6U
Authority: CN
Inventors: 管仲海; 泥鲁江
Original assignee: Henan Qianfeng Hvac Technology Co ltd
Current assignee: Beijing Qianfeng Environmental Technology Co.,Ltd.
Priority date: 2019-12-23
Filing date: 2019-12-23
Publication date: 2020-09-15
Anticipated expiration: 2029-12-23

Abstract

The utility model discloses a dual-purpose condensing positive displacement gas water heater, which comprises a shell, a heating water inlet and a domestic water inlet which are arranged on the upper part of the shell, and a heating water outlet and a domestic water outlet which are arranged on the lower part of the shell, wherein the heating water inlet and the heating water outlet are communicated through a spiral coil pipe, and the domestic water inlet and the domestic water outlet are communicated with the space formed by the interior of the shell and the outer wall of the spiral coil pipe; the top of the shell is provided with a burner for providing heat for the interior of the shell, and the bottom of the shell is provided with a smoke outlet; the outside of the shell is provided with a domestic water circulating pump, and the inlet and the outlet of the domestic water circulating pump are communicated with the shell. The utility model discloses going on the heat exchange more thoroughly, the heat utilization efficiency is high, and the casing outside is equipped with the domestic water circulating pump, makes domestic water from last down flow repeatedly through the domestic water circulating pump, improves domestic water's heat exchange efficiency.

Description

Dual-purpose condensation positive displacement gas water heater

Technical Field

The utility model relates to a firing equipment technical field, in particular to dual-purpose condensation positive displacement gas water heater.

Background

With the increase in greenhouse gas emissions of carbon dioxide, global warming is becoming a common concern for humans. At present, coal, petroleum and natural gas are mainly supplied to China, the energy conversion rate is greatly lower than that of developed countries in Europe and America, and the carbon emission is the first continuous global in years and becomes the target of the attack responsibility of less developed countries. Therefore, the country has come out of a series of energy-saving and emission-reducing policies, adjusts the industrial structure, eliminates the out-dated capacity, and achieves a lot of achievements in the aspects of energy conservation and emission reduction. With the increase in greenhouse gas emissions of carbon dioxide, global warming is becoming a common concern for humans.

In daily life or industrial production, hot water is often used, and various hot water furnaces are in sight of people. The water heater includes an electric water heater, an oil water heater, a gas water heater, a coal water heater, etc., and the water heater is a boiler for producing hot water, which is a heat energy device for heating water to a rated temperature by using heat energy released by fuel combustion or other heat energy (such as electric energy, solar energy, etc.).

Most of the water heaters in the current market have many defects, such as environmental pollution, high exhaust gas temperature, energy waste and the like.

SUMMERY OF THE UTILITY MODEL

The invention aims to provide a dual-purpose condensing volumetric gas water heater to solve the problems in the prior art. The utility model adopts the following technical scheme:

a dual-purpose condensing positive displacement gas water heater comprises a shell, a heating water inlet and a domestic water inlet which are arranged at the upper part of the shell, and a heating water outlet and a domestic water outlet which are arranged at the lower part of the shell, wherein the heating water inlet and the heating water outlet are communicated through a spiral coil pipe, and the domestic water inlet and the domestic water outlet are communicated with the space formed by the interior of the shell and the outer wall of the spiral coil pipe; the top of the shell is provided with a burner for providing heat for the interior of the shell, and the bottom of the shell is provided with a smoke outlet; the domestic water circulating pump is arranged on the outer side of the shell, an inlet and an outlet of the domestic water circulating pump are communicated with the shell, and the height of the inlet of the domestic water circulating pump is lower than the liquid level of the domestic water.

Further, dual-purpose condensation positive displacement gas water heater includes controller, first temperature sensor and combustion tube, the combustion tube sets up in casing lower part, and the combustion tube mounting height is less than domestic water liquid level, first temperature sensor sets up in the bottom in casing inside and spiral coil pipe outer wall formation space, and the controller input is connected with first temperature sensor, and the controller output is connected with the combustion tube.

Furthermore, a second temperature sensor is arranged in a water outlet of the heating water and is connected with the input end of the controller; the controller comprises a display screen, and real-time temperatures detected by the first temperature sensor and the second temperature sensor are displayed through the display screen.

Further, the combustor is a fully premixed combustor.

Furthermore, the shell comprises an inner container which is in direct contact with domestic water, and the inner container is made of enamel.

The utility model has the advantages as follows:

1. the utility model provides a heating water carries out abundant heat exchange through the screw-tupe coil pipe, and the surplus waste heat carries out the secondary heat exchange with domestic water, and more thorough that goes on the heat exchange, the heat utilization efficiency is high. The casing outside is equipped with domestic water circulating pump, makes domestic water from last down flow repeatedly through domestic water circulating pump, increases domestic water's heat exchange area, improves domestic water's heat exchange efficiency to can the furthest save space. The utility model discloses simple structure, convenient maintenance, its dual-purpose design can satisfy daily heating, also can satisfy domestic water's use.

2. The utility model discloses a preset critical temperature on the controller, when the temperature that first temperature sensor detected was less than critical temperature, the burner tube was opened to the controller, and when the temperature that temperature sensor detected reached critical temperature, closed the burner tube, this structure enabled domestic water to keep in certain temperature range, and convenient to use is swift.

3. The utility model discloses a full premix combustor, full premix combustor ignite the burning gas mixture in the combustor after mixing natural gas and air, because the special construction of full premix combustor enables gas and air misce bene, and the burning is more abundant, and flame is short, and it is even to distribute, and the flame temperature is lower, clean burning, CO and NO_XSmall production amount and long service life.

4. The utility model discloses the inner bag adopts enamel preparation, through high temperature sintering, and its surface is bright and clean, and the color and luster is even, and the texture is inseparable, anticorrosive anti-fouling that can be better to its life has been improved.

Drawings

Fig. 1 is a schematic external perspective structure of the present invention;

FIG. 2 is a schematic view of the internal three-dimensional structure of the present invention;

FIG. 3 is a schematic perspective view of the spiral coil and burner tube of FIG. 2;

fig. 4 is a schematic perspective view of the combustion chamber of the present invention.

Shown in the figure: 1-full premix burner, 2-shell, 3-domestic water circulating pump, 4-smoke outlet, 5-domestic water outlet, 6-heating water outlet, 7-domestic water inlet, 8-heating water inlet, 9-spiral coil, 10-combustion tube, 11-combustion chamber.

Detailed Description

As shown in fig. 1-4, a dual-purpose condensation positive displacement gas water heater comprises a shell 2, a heating water inlet 8 and a domestic water inlet 7 which are arranged on the upper part of the shell 2, and a heating water outlet 6 and a domestic water outlet 5 which are arranged on the lower part of the shell 2, wherein the heating water inlet 8 is communicated with the heating water outlet 6 through a spiral coil 9, the shell 2 comprises an inner container which is in direct contact with domestic water, the inner container is made of enamel, and the domestic water inlet 7 and the domestic water outlet 5 are communicated with the inner container inner wall and the spiral coil outer wall to form a space.

The top of the shell 2 is provided with a full premix burner 1 which provides heat for the inside of the shell 2, a combustion chamber 11 of the full premix burner 1 is arranged on the inner side of the spiral coil 9, and the bottom of the full premix burner is provided with a smoke outlet 4.

The outside of the shell 2 is provided with a domestic water circulating pump 3, the inlet and the outlet of the domestic water circulating pump 3 are communicated with the shell 2, and the inlet of the domestic water circulating pump 3 is highly lower than the domestic water liquid level in the inner container.

Dual-purpose condensation positive displacement gas water heater includes controller, first temperature sensor and combustion tube 10, and combustion tube 10 sets up in casing lower part, and the combustion tube 10 mounting height is less than the domestic water liquid level, first temperature sensor sets up in 2 inside and the outside bottom that forms the space of screw-tupe coil pipe 9 of casing, and the controller input is connected with first temperature sensor, and the controller output is connected with the combustion tube.

A second temperature sensor is arranged in the heating water outlet 6 and is connected with the input end of the controller; the controller comprises a display screen, and real-time temperatures detected by the first temperature sensor and the second temperature sensor are displayed through the display screen.

The working process of the utility model is as follows:

the critical temperature of the domestic water is set on the controller in advance, water is supplied to the heating water inlet 8 and the domestic water inlet 7, the fully-premixed burner 1 is ignited at the same time, and the domestic water circulating pump 3 is started. The heating water absorbs heat when flowing through the spiral coil 9, and flows out through the heating water outlet 6 after being heated. The domestic water absorbs heat when flowing through the space formed by the inner wall of the inner container and the outer wall of the spiral coil pipe 9, and is stored to the bottom of the inner container for use after being heated. The first temperature sensor detects the temperature of domestic water in real time, and the second temperature sensor detects the temperature of heating water delivery port in real time and displays the temperature on the display screen. When the temperature detected by the first temperature sensor is lower than the critical temperature, the controller ignites the combustion tube to heat the domestic water stored in the inner container, and when the temperature reaches the critical temperature, the controller closes the combustion tube to stop heating the domestic water.

The water inlet, water outlet and temperature control method for the heating water and the water inlet, water outlet and water level control method for the domestic water in the inner container in the technical scheme are out of the protection scope of the utility model.

The above embodiments are only used for illustrating but not limiting the technical solutions of the present invention, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: the present invention may be modified or substituted with equivalents without departing from the spirit and scope of the invention, which should be construed as being limited only by the claims.

Claims

1. A dual-purpose condensing positive displacement gas water heater is characterized by comprising a shell, a heating water inlet and a domestic water inlet which are arranged at the upper part of the shell, and a heating water outlet and a domestic water outlet which are arranged at the lower part of the shell, wherein the heating water inlet and the heating water outlet are communicated through a spiral coil pipe, and the domestic water inlet and the domestic water outlet are communicated with the space formed by the interior of the shell and the outer wall of the spiral coil pipe; the top of the shell is provided with a burner for providing heat for the interior of the shell, and the bottom of the shell is provided with a smoke outlet; the domestic water circulating pump is arranged on the outer side of the shell, an inlet and an outlet of the domestic water circulating pump are communicated with the shell, and the height of the inlet of the domestic water circulating pump is lower than the liquid level of the domestic water.

2. The dual-purpose condensing volumetric gas water heater according to claim 1, comprising a controller, a first temperature sensor and a combustion pipe, wherein the combustion pipe is arranged at the lower part in the shell, the installation height of the combustion pipe is lower than the liquid level of the domestic water, the first temperature sensor is arranged at the bottom of a space formed by the inner part of the shell and the outer wall of the spiral coil pipe, the input end of the controller is connected with the first temperature sensor, and the output end of the controller is connected with the combustion pipe.

3. The dual-purpose condensing volumetric gas water heater according to claim 1, wherein a second temperature sensor is arranged in a water outlet of the heating water, and the second temperature sensor is connected with an input end of the controller; the controller comprises a display screen, and real-time temperatures detected by the first temperature sensor and the second temperature sensor are displayed through the display screen.

4. The dual-purpose condensing volumetric gas-fired water heater of claim 1, wherein said burner is a fully premixed burner.

5. The dual-purpose condensing volumetric gas water heater of claim 1, wherein the housing comprises an inner container in direct contact with domestic water, the inner container being made of enamel.