CN214009547U - Direct-drinking type gas water heater - Google Patents
Direct-drinking type gas water heater Download PDFInfo
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- CN214009547U CN214009547U CN202120046037.3U CN202120046037U CN214009547U CN 214009547 U CN214009547 U CN 214009547U CN 202120046037 U CN202120046037 U CN 202120046037U CN 214009547 U CN214009547 U CN 214009547U
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Abstract
The utility model discloses a direct drinking type gas water heater, which comprises a shell, an isolation cover, a heat exchange device, a burner, a first fan, a water pump, a first temperature sensor, a second temperature sensor, a controller, a breather valve, a water level sensor and a second fan; the inner part of the shell is divided into a first cavity and a second cavity; a warm water outlet is formed in the left side wall of the shell; a water return port is formed in the lower end of the shell; the warm water outlet and the water return port are communicated with the first cavity; the isolation cover is arranged in the second cavity; the heat exchange device is arranged in the isolation cover; the burner is arranged at the top end of the isolation hood; and an air inlet of the combustor is connected with an air inlet pipe. The beneficial effects are that: the purified water can be heated, and the outlet water temperature can be set for people to drink directly; the natural gas is used as a heat source, is clean and environment-friendly, consumes less energy, has large continuous warm water supply amount, and is particularly suitable for places with larger drinking water demands, such as restaurants, factories, stations and the like.
Description
Technical Field
The utility model relates to a gas water heater field especially relates to a directly drink formula gas water heater.
Background
With the development of water purification technology, people are more and more accustomed to drinking warm purified water, however, the existing water heating furnace usually heats water to 100-110 ℃, and the water is used by people after being boiled, and for people who want to drink warm water, the water is cooled by waiting for boiled water or cold water is added, so that energy waste is caused.
Therefore, the utility model provides a direct drinking type gas water heater, which takes natural gas as a heat source to heat purified water, can set the water outlet temperature to be 50-70 ℃, is directly drunk by people, consumes less energy, continuously supplies large water, and is particularly suitable for places with larger drinking water requirements such as restaurants, factories, stations and the like.
Disclosure of Invention
In order to solve the problems in the prior art, the utility model discloses a direct drinking type gas water heater, which comprises a shell, an isolation cover, a heat exchange device, a burner, a first fan, a water pump, a first temperature sensor, a second temperature sensor, a controller, a vent valve, a water level sensor and a second fan; the inner part of the shell is divided into a first cavity and a second cavity; a warm water outlet is formed in the left side wall of the shell; a water return port is formed in the lower end of the shell; the warm water outlet and the water return port are communicated with the first cavity; the isolation cover is arranged in the second cavity; the heat exchange device is arranged in the isolation cover; the burner is arranged at the top end of the isolation hood; an air inlet of the combustor is connected with an air inlet pipe; the air outlet of the first fan is communicated with the air inlet pipe; the air inlet of the first fan is communicated with the gas pipe and the air pipe; a low-temperature water inlet is formed below the heat exchange device; a high-temperature water outlet is arranged above the heat exchange device; the high-temperature water outlet is communicated with the first cavity; the low-temperature water inlet is communicated with the water inlet pipe; the water outlet of the water pump is communicated with the water inlet pipe; a water inlet of the water pump is communicated with the purified water pipe; the water return port is communicated with the purified water pipe through a water return pipe; a flue gas outlet is arranged below the heat exchange device; the smoke outlet is communicated with the smoke exhaust pipeline; the second fan is arranged on the smoke exhaust pipeline; the first temperature sensor is arranged on the water inlet pipe and used for measuring the temperature of inlet water; the second temperature sensor is arranged on the left side wall of the shell and used for measuring the temperature of the water stored in the first cavity; the vent valve is arranged at the top end of the shell, and gas can enter and exit the first cavity through the vent valve, so that the balance between the air pressure in the first cavity and the external air pressure is kept; the water level sensor is arranged in the first cavity and used for measuring the water level in the first cavity; the controller is arranged on the left side wall of the shell; a first electromagnetic valve is arranged on the purified water pipe; a second electromagnetic valve is arranged on the water return pipe; the warm water outlet is provided with a water outlet valve; the combustor, the first fan, the water pump, the first temperature sensor, the second temperature sensor, the water level sensor, the second fan, the first electromagnetic valve and the second electromagnetic valve are electrically connected with the controller.
The lower end of the heat exchange device is provided with a first water collecting ring, and the upper end of the heat exchange device is provided with a second water collecting ring; a heat exchange finned tube is welded between the first water collecting ring and the second water collecting ring; the heat exchange finned tubes are uniformly arranged into three circles; the first water collecting ring is provided with a first partition plate; the first baffle plate divides the first water collecting ring into a first water mixing area and a third water mixing area; the second water collecting ring is provided with a second clapboard; the second baffle plate divides the second water collecting ring into a second water mixing area and a fourth water mixing area; the first water mixing area is communicated with the low-temperature water inlet; the lower end of the heat exchange finned tube of the inner ring is communicated with the first water mixing area, and the upper end of the heat exchange finned tube of the inner ring is communicated with the second water mixing area; the upper end of the heat exchange finned tube of the middle ring is communicated with the second water mixing area, and the lower end of the heat exchange finned tube of the middle ring is communicated with the third water mixing area; the lower end of the outer heat exchange finned tube is communicated with the third water mixing area, and the upper end of the outer heat exchange finned tube is communicated with the fourth water mixing area; the fourth water mixing area is communicated with the high-temperature water outlet.
Also includes a safety valve; the safety valve is arranged at the top end of the shell and used for preventing overpressure in the first cavity.
The water outlet valve is an electromagnetic valve and is electrically connected with the controller.
And the outer side wall of the shell is provided with a heat insulation layer.
The utility model has the advantages that: the purified water can be heated, and the outlet water temperature can be set for people to drink directly; the utility model uses natural gas as heat source, is clean and environment-friendly, consumes less energy, has large continuous water supply quantity, and is particularly suitable for places with larger drinking water demand, such as restaurants, factories, stations, and the like; the utility model can ensure that the water temperature in the first cavity is not lower than 5 ℃ of the set value, so that the water temperature in the first cavity is continuously kept in the temperature range of direct drinking; the heating return distance of the purified water is long, the purified water and the hot flue gas form full countercurrent to heat, the heating efficiency is high, and the fuel gas is saved.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic view of the overall structure of the present invention.
Fig. 3 is a schematic structural diagram of the inside of the casing of the present invention.
Fig. 4 is a schematic structural diagram of the heat exchange device of the present invention.
Fig. 5 is an exploded view of the heat exchanger of the present invention.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so that the advantages and features of the invention can be more easily understood by those skilled in the art, thereby making the scope of the invention more clearly defined.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
Referring to the attached figures 1-5, a direct drinking type gas water heater comprises a shell 1, an isolation cover 2, a heat exchange device 3, a burner 4, a first fan 5, a water pump 6, a first temperature sensor 7, a second temperature sensor 8, a controller 9, a vent valve 11, a water level sensor 12 and a second fan 13; the interior of the shell 1 is divided into a first cavity 101 and a second cavity 102; a warm water outlet 103 is formed in the left side wall of the shell 1; a water return port 104 is formed in the lower end of the shell 1; the warm water outlet 103 and the water return port 104 are both communicated with the first cavity 101; the isolation cover 2 is arranged in the second cavity 102; the heat exchange device 3 is arranged in the isolation cover 2; the burner 4 is arranged at the top end of the isolation hood 2; an air inlet pipe P1 is connected to an air inlet of the combustor 4; the air outlet of the first fan 5 is communicated with an air inlet pipe P1; the air inlet of the first fan 5 is communicated with a gas pipe P2 and an air pipe P3; a low-temperature water inlet 301 is formed below the heat exchange device 3; a high-temperature water outlet 302 is arranged above the heat exchange device 3; the high-temperature water outlet 302 is communicated with the first cavity 101; the low-temperature water inlet 301 is communicated with a water inlet pipe P4; the water outlet of the water pump 6 is communicated with a water inlet pipe P4; the water inlet of the water pump 6 is communicated with a purified water pipe P5; the water return port 104 is communicated with the purified water pipe P5 through a water return pipe P6; a flue gas outlet 303 is arranged below the heat exchange device 3; the smoke outlet 303 is communicated with a smoke exhaust pipeline P7; the second fan 13 is arranged on the smoke exhaust pipeline P7; the first temperature sensor 7 is arranged on the water inlet pipe P4 and is used for measuring the temperature of inlet water; the second temperature sensor 8 is arranged on the left side wall of the shell 1 and used for measuring the temperature of the water stored in the first cavity 101; the vent valve 11 is arranged at the top end of the shell 1, and gas can enter and exit the first cavity 101 through the vent valve 11, so that the balance between the air pressure in the first cavity 101 and the external air pressure is kept; the water level sensor 12 is arranged in the first cavity 101 and used for measuring the water level in the first cavity 101; the controller 9 is arranged on the left side wall of the shell 1; a first electromagnetic valve K1 is arranged on the purified water pipe P5; a second electromagnetic valve K2 is arranged on the water return pipe P6; the warm water outlet 103 is provided with a water outlet valve K3; the combustor 4, the first fan 5, the water pump 6, the first temperature sensor 7, the second temperature sensor 8, the water level sensor 12, the second fan 13, the first electromagnetic valve K1 and the second electromagnetic valve K2 are electrically connected with the controller 9.
The use method and the working principle are as follows: the purified water pipe P5 is communicated with a purified water source or a water purifier, the gas pipe P2 is communicated with a gas source, and the air pipe P3 is communicated with air. The water storage temperature range is set to be 50-70 ℃ through the controller 9, then the water storage temperature range is started, the first electromagnetic valve K1 of the controller 9 is opened, the second electromagnetic valve K2 is closed, the water pump 6 is started, purified water enters the heat exchange device 3 through the low-temperature water inlet 301, the controller 9 measures the temperature of the low-temperature purified water through the first temperature sensor 7, then the air inflow of gas is controlled through controlling the rotating speed of the first fan 5 according to the water inlet temperature, further, the heat generated by combustion of the gas by the burner 4 is controlled, the flue gas generated by combustion of the gas is downwards discharged through the heat exchange device 3, the flue gas outlet 303, the second fan 13 and the smoke exhaust pipeline P7, the low-temperature purified water is changed into high-temperature purified water after absorbing heat through the heat exchange device 3 and enters the first cavity 101 through the high-temperature water outlet 302, and after the controller 9 measures that the water level in the first cavity 101 reaches a set value through the water level sensor 12, the controller 9 controls the water pump 6 and the combustor 4 to stop working; when a drinker needs to drink warm water, the water outlet valve K3 is directly opened, water is received through the warm water outlet 103, and the drinker can drink the water directly; when the controller 9 detects that the temperature of the water in the first cavity 101 is lower than the set value by 5 ℃ through the second temperature sensor 8, the controller 9 controls the first electromagnetic valve K1 to be closed and the second electromagnetic valve K2 to be opened, controls the water pump 6 and the burner 4 to be started, heats the backwater in the first cavity 101 for the second time, and controls the water pump 6 and the burner 4 to stop working after the set value is reached.
Therefore, the utility model can heat the purified water and set the water outlet temperature for people to drink directly; the utility model uses natural gas as heat source, is clean and environment-friendly, consumes less energy, has large continuous water supply quantity, and is particularly suitable for places with larger drinking water demand, such as restaurants, factories, stations, and the like; the utility model discloses can guarantee that the temperature in the first cavity is not less than the 5 ℃ below of setting value, make the temperature in the first cavity continuously keep the temperature range that can directly drink.
The lower end of the heat exchange device 3 is provided with a first water collecting ring 304, and the upper end is provided with a second water collecting ring 305; a heat exchange finned tube 306 is welded between the first water collecting ring 304 and the second water collecting ring 305; the heat exchange finned tubes 306 are uniformly arranged into three circles; the first water collecting ring 304 is provided with a first partition 3041; the first baffle 3041 divides the first water collecting ring 304 into a first water mixing area 307 and a third water mixing area 309; the second water collecting ring 305 is provided with a second partition 3051; the second partition 3051 dividing the second water collecting ring 305 into a second water mixing zone 308 and a fourth water mixing zone 310; the first water mixing zone 307 is communicated with the low-temperature water inlet 301; the lower end of the heat exchange finned tube 306 of the inner ring is communicated with the first water mixing area 307, and the upper end of the heat exchange finned tube 306 of the inner ring is communicated with the second water mixing area 308; the upper end of the heat exchange finned tube 306 of the middle ring is communicated with the second water mixing area 308, and the lower end of the heat exchange finned tube 306 of the middle ring is communicated with the third water mixing area 309; the lower end of the heat exchange finned tube 306 of the outer ring is communicated with the third water mixing area 309, and the upper end of the heat exchange finned tube 306 of the outer ring is communicated with the fourth water mixing area 310; the fourth water mixing zone 310 is communicated with the high temperature water outlet 302.
Thus, the low-temperature purified water sequentially passes through the low-temperature water inlet 301, the first water mixing area 307, the inner ring of heat exchange finned tubes 306, the second water mixing area 308, the middle ring of heat exchange finned tubes 306, the third water mixing area 309, the outer ring of heat exchange finned tubes 306, the fourth water mixing area 310 and the high-temperature water outlet 302 to be heated into high-temperature purified water, the high-temperature purified water enters the first cavity 101 to be stored, the heating process of the purified water is long, the high-temperature purified water and hot flue gas form full countercurrent to be heated, the heating efficiency is high, and fuel gas is saved.
Also included is a safety valve 10; the safety valve 10 is provided at the top end of the housing 1 for preventing overpressure in the first cavity 101.
This ensures that the pressure in the first cavity 101 does not exceed the allowable value, preventing the risk of overpressure.
The water outlet valve K3 is an electromagnetic valve, and the water outlet valve K3 is electrically connected with the controller 9.
Thus, the controller 9 can control the opening and closing of the water outlet valve K3, and the operation is convenient.
And the outer side wall of the shell 1 is provided with a heat insulation layer.
Therefore, the water temperature of the first cavity 101 can be reduced, and the fuel gas energy can be saved.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any slight modifications, equivalent replacements and improvements made by the technical spirit of the present invention to the above embodiments should be included in the technical solution of the present invention.
Claims (5)
1. A direct drinking type gas water heater is characterized by comprising a shell, an isolation cover, a heat exchange device, a burner, a first fan, a water pump, a first temperature sensor, a second temperature sensor, a controller, a vent valve, a water level sensor and a second fan; the inner part of the shell is divided into a first cavity and a second cavity; a warm water outlet is formed in the left side wall of the shell; a water return port is formed in the lower end of the shell; the warm water outlet and the water return port are communicated with the first cavity; the isolation cover is arranged in the second cavity; the heat exchange device is arranged in the isolation cover; the burner is arranged at the top end of the isolation hood; an air inlet of the combustor is connected with an air inlet pipe; the air outlet of the first fan is communicated with the air inlet pipe; the air inlet of the first fan is communicated with the gas pipe and the air pipe; a low-temperature water inlet is formed below the heat exchange device; a high-temperature water outlet is arranged above the heat exchange device; the high-temperature water outlet is communicated with the first cavity; the low-temperature water inlet is communicated with the water inlet pipe; the water outlet of the water pump is communicated with the water inlet pipe; a water inlet of the water pump is communicated with the purified water pipe; the water return port is communicated with the purified water pipe through a water return pipe; a flue gas outlet is arranged below the heat exchange device; the smoke outlet is communicated with the smoke exhaust pipeline; the second fan is arranged on the smoke exhaust pipeline; the first temperature sensor is arranged on the water inlet pipe and used for measuring the temperature of inlet water; the second temperature sensor is arranged on the left side wall of the shell and used for measuring the temperature of the water stored in the first cavity; the vent valve is arranged at the top end of the shell, and gas can enter and exit the first cavity through the vent valve, so that the balance between the air pressure in the first cavity and the external air pressure is kept; the water level sensor is arranged in the first cavity and used for measuring the water level in the first cavity; the controller is arranged on the left side wall of the shell; a first electromagnetic valve is arranged on the purified water pipe; a second electromagnetic valve is arranged on the water return pipe; the warm water outlet is provided with a water outlet valve; the combustor, the first fan, the water pump, the first temperature sensor, the second temperature sensor, the water level sensor, the second fan, the first electromagnetic valve and the second electromagnetic valve are electrically connected with the controller.
2. A direct-drinking type gas water heater according to claim 1, wherein the heat exchanging device is provided with a first water collecting ring at the lower end and a second water collecting ring at the upper end; a heat exchange finned tube is welded between the first water collecting ring and the second water collecting ring; the heat exchange finned tubes are uniformly arranged into three circles; the first water collecting ring is provided with a first partition plate; the first baffle plate divides the first water collecting ring into a first water mixing area and a third water mixing area; the second water collecting ring is provided with a second clapboard; the second baffle plate divides the second water collecting ring into a second water mixing area and a fourth water mixing area; the first water mixing area is communicated with the low-temperature water inlet; the lower end of the heat exchange finned tube of the inner ring is communicated with the first water mixing area, and the upper end of the heat exchange finned tube of the inner ring is communicated with the second water mixing area; the upper end of the heat exchange finned tube of the middle ring is communicated with the second water mixing area, and the lower end of the heat exchange finned tube of the middle ring is communicated with the third water mixing area; the lower end of the outer ring of the heat exchange finned tube is communicated with the third water mixing area, and the upper end of the outer ring of the heat exchange finned tube is communicated with the fourth water mixing area; the fourth water mixing area is communicated with the high-temperature water outlet.
3. A direct-drinking gas water heater according to claim 1, further comprising a safety valve; the safety valve is arranged at the top end of the shell and used for preventing overpressure in the first cavity.
4. A direct-drinking gas water heater according to claim 1, wherein the water outlet valve is an electromagnetic valve, and the water outlet valve is electrically connected to the controller.
5. A direct-drinking type gas water heater according to any one of claims 1-4, wherein the outer side wall of the housing is provided with an insulating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120046037.3U CN214009547U (en) | 2021-01-08 | 2021-01-08 | Direct-drinking type gas water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120046037.3U CN214009547U (en) | 2021-01-08 | 2021-01-08 | Direct-drinking type gas water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214009547U true CN214009547U (en) | 2021-08-20 |
Family
ID=77294656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120046037.3U Active CN214009547U (en) | 2021-01-08 | 2021-01-08 | Direct-drinking type gas water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214009547U (en) |
-
2021
- 2021-01-08 CN CN202120046037.3U patent/CN214009547U/en active Active
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