CN211204411U - Water heater - Google Patents

Abstract

The utility model relates to a water heater, including water tank and heat exchange assembly, the water tank includes water inlet and delivery port, heat exchange assembly set up in the water tank, heat exchange assembly includes combustion chamber and a plurality of heat exchange tube, the one end of combustion chamber is the feed inlet, the feed inlet stretches out outside the water tank, the other end intercommunication of combustion chamber the heat exchange tube, the heat exchange tube is in turn back the intercommunication in the water tank and arrange the back intercommunication and discharge fume the pipe, discharge fume the pipe intercommunication extremely outside the water tank. The utility model has the advantages that natural gas or other gaseous or atomized fuel is sprayed into the combustion chamber for combustion, heat is transferred to water in the water tank through the combustion chamber and the heat exchange pipe, and the water in the water tank completely wraps the combustion chamber and the heat exchange pipe, so that the heat exchange efficiency is higher; the combustion chamber is not a closed structure, and is provided with a smoke exhaust pipe, so that the internal and external pressures can be balanced, and the safety is higher.

Description

Water heater

Technical Field

The utility model relates to a heat exchange field, more specifically, the utility model relates to a water heater.

Background

In various fields in life and production, water is often required to be heated so as to facilitate life of residents or industrial production, and at present, water in a boiler is often heated by heat generated by fuel combustion.

The existing boiler is safe, and the outer wall is thick generally, so that the thermal efficiency is low in the process of heating water, the energy consumption is high, and the use cost is high; traditional boiler operation requires highly, and to the environment that uses frequently and personnel are comparatively intensive in the mill, the potential safety hazard is very big, if misuse or supervision neglect very easily produce the danger of explosion.

Therefore, a water heater having high safety and high thermal efficiency is required.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an aim at solves the low and poor problem of security of current water heater heat exchange efficiency.

According to the utility model discloses an aspect provides a water heater, including water tank and heat exchange assembly, the water tank includes water inlet and delivery port, heat exchange assembly set up in the water tank, heat exchange assembly includes combustion chamber and a plurality of heat exchange tube, the one end of combustion chamber is the feed inlet, the feed inlet stretches out outside the water tank, the other end intercommunication of combustion chamber the heat exchange tube, the heat exchange tube is in turn back the intercommunication in the water tank and arrange the back intercommunication pipe of discharging fume, discharge fume the pipe intercommunication extremely outside the water tank.

According to the scheme, natural gas or other gaseous or atomized fuels are sprayed into the combustion chamber to be combusted, heat is transferred to water in the water tank through the combustion chamber and the heat exchange tube, and the combustion chamber and the heat exchange tube are completely wrapped by the water in the water tank, so that the heat exchange efficiency is higher; the combustion chamber is not a closed structure, and is provided with a smoke exhaust pipe, so that the internal and external pressures can be balanced, and the safety is higher.

Preferably, the water tank comprises a supporting layer and an insulating layer, and the insulating layer wraps the outside of the supporting layer.

Through this scheme, improve the thermal insulation performance of water tank, reduce calorific loss, improve heating efficiency.

Preferably, the heat preservation layer is heat insulation cotton, and the edges and corners of the heat preservation layer are provided with corner strips.

Through this scheme, reduction in production cost, the life of being suitable for of this equipment can be improved in the setting of angle strip, keeps the laminating of the cotton and the supporting layer of separating the temperature of corner, improves the heat preservation effect.

Preferably, a liquid level meter is arranged outside the water tank.

Through this scheme, be convenient for observe the water yield in the water tank.

Preferably, the water inlet is arranged at the top of the water tank, the water outlet is arranged on the side surface of the water tank, and the water outlet is positioned on one side of the heat exchange tube.

According to the scheme, water on one side of the heat exchange tube is heated fastest, the water temperature is highest, the situation that all water in the water tank is heated is not required to be finished, and the heating efficiency is improved; the water inlet is positioned at the top, so that water vapor can be conveniently discharged, the pressure in the water tank is reduced, and the safety is improved.

Preferably, the heat exchange assembly further comprises a plurality of flues, the combustion chamber is communicated to the heat exchange tubes through the flues, and the heat exchange tubes are communicated in a back-turning manner through the flues; two ends of each heat exchange tube are communicated to different flues; and the same flue is communicated with a plurality of heat exchange tubes.

Through this scheme, being provided with of flue helps improving the space of burning, makes the burning more abundant to improve heat exchange efficiency, reduce the energy loss.

Preferably, the heat exchange pipe is communicated to the smoke exhaust pipe through the flue.

Through this scheme, improve smoke exhaust efficiency.

Preferably, the periphery of the combustion chamber is axially provided with a plurality of cooling fins.

Through this scheme, the fin not only can play reinforced (rfd) effect to the combustion chamber, can also improve the radiating efficiency of combustion chamber to improve heat exchange efficiency.

The utility model discloses a technological effect lies in, this device simple structure compares in traditional boiler heating water, and the security is higher, and heat exchange efficiency is higher, the energy can be saved, reduction in production cost.

Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments of the invention, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.

Fig. 1 is a schematic structural view of a water heater according to a first embodiment of the present invention.

Fig. 2 is a schematic diagram of the structure at a in fig. 1.

Fig. 3 is a schematic structural view of a heat exchange assembly in the water heater of fig. 1.

Fig. 4 is a schematic sectional view taken along the direction B-B in fig. 3.

Fig. 5 is a schematic structural view of a water heater according to a second embodiment of the present invention.

Fig. 6 is a schematic cross-sectional view taken along line C-C in fig. 5.

Detailed Description

Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention.

The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

Techniques and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be considered a part of the specification where appropriate.

In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.

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, further discussion thereof is not required in subsequent figures.

Example one

As shown in fig. 1 to 4, the water heater in this embodiment includes a water tank 1100 and a heat exchange assembly 1200, the water tank 1100 includes a water inlet 1110 and a water outlet 1120, the heat exchange assembly 1200 is disposed in the water tank 1100, the heat exchange assembly 1200 includes a combustion chamber 1210 and a plurality of heat exchange tubes 1220, one end of the combustion chamber 1210 is a feed port 1211, the feed port 1211 extends out of the water tank 1100, the other end of the combustion chamber 1210 is communicated with the heat exchange tubes 1220, the heat exchange tubes 1220 are turned back and communicated in the water tank 1100 and then communicated with a smoke discharge tube 1231, and the smoke discharge tube 1231 is communicated with the outside of the water tank 1100.

By the scheme of the embodiment, natural gas or other gaseous or atomized fuel is sprayed into the combustion chamber 1210 through the feed port 1211 for combustion, heat is transferred to water in the water tank 1100 through the combustion chamber 1210 and the heat exchange pipe 1220, and the water in the water tank 1100 completely wraps the combustion chamber 1210 and the heat exchange pipe 1220, so that the heat exchange efficiency is higher; the combustion chamber 1210 is not of a closed structure, is provided with a smoke exhaust pipe 1231, can balance internal and external pressures, and is higher in safety.

In this embodiment, natural gas or other gaseous or atomized fuel is mixed with oxygen and injected into the combustion chamber 1210, and after the flame is completely burned in the zigzag-arranged heat exchange tubes 1220, the exhaust gas is discharged through the exhaust pipe 1231.

In this embodiment or other embodiments, the water tank 1100 includes a support layer 1101 and an insulating layer 1102, and the insulating layer 1102 is wrapped outside the support layer 1101. The heat preservation performance of the water tank 1100 is improved, the heat loss is reduced, and the heating efficiency is improved.

In this embodiment or other embodiments, the insulating layer 1102 is made of insulating cotton, and corner strips 1130 are disposed at corners of the insulating layer 1102. The heat insulation cotton can reduce production cost, the arrangement of the corner strips 1130 can prolong the service life of the equipment, the corner heat insulation cotton is kept attached to the supporting layer 1101, and the heat insulation effect is improved.

In this or other embodiments, a liquid level meter 1140 is disposed outside the water tank 1100. It is convenient to observe the amount of water in the water tank 1100. The level gauge 1140 is provided by the principle of a communicating vessel, and may be provided with a water pressure sensor and a temperature sensor.

In this embodiment or other embodiments, the water inlet 1110 is disposed at the top of the water tank 1100, the water outlet 1120 is disposed at the side of the water tank 1100, and the water outlet 1100 is located at one side of the heat exchange tube 1220. The water on one side of the heat exchange tube 1220 is heated most quickly, the water temperature is highest, the water does not need to wait for the completion of heating all the water in the water tank 1100, and the water on the side can be discharged for use when the water temperature reaches a certain value, so that the heating efficiency is improved; the water inlet 1110 is located at the top to facilitate the discharge of water vapor, reducing the pressure in the water tank 1100, improving safety.

In this embodiment or other embodiments, the heat exchange assembly 1200 further includes a plurality of flues 1230, the combustion chamber 1210 is communicated with the heat exchange tubes 1220 through the flues 1230, and the heat exchange tubes 1220 are communicated back and forth through the flues 1230; two ends of each heat exchange tube 1220 are communicated to different flues 1230; the same flue 1230 is communicated with a plurality of heat exchange tubes 1220. The flue 1230 is arranged to help improve the combustion space and make the combustion more sufficient, thereby improving the heat exchange efficiency and reducing the energy loss.

In this or other embodiments, the heat exchange tube 1220 is communicated to the smoke exhaust 1231 through the flue 1230. The flue gas of the heat exchange pipes 1220 is gathered to the same smoke exhaust pipe 1231, so that the smoke exhaust efficiency can be improved.

The combustion chamber 1210, the heat exchange tube 1220 and the flue 1230 in the embodiment are all made of stainless steel materials, so that the heat absorption efficiency and the heat dissipation efficiency are higher, and the service life is longer. The support layer 1101 of the water tank 1100 is made of stainless steel, and is more robust.

The technical effect of this embodiment lies in, this device simple structure compares in traditional boiler heating water, and the security is higher, and heat exchange efficiency is higher, the energy can be saved, reduction in production cost.

Example two

As shown in fig. 5 and 6, in the water heater of the present embodiment, on the basis of the technical solution of the above embodiment, a plurality of cooling fins 1212 are axially disposed on the outer circumference of the combustion chamber 1210.

Through this scheme of this embodiment, fin 1212 not only can play the reinforced effect to combustion chamber 1210, can also improve the radiating efficiency of combustion chamber 1210 to improve heat exchange efficiency.

Although some specific embodiments of the present invention have been described in detail by way of illustration, it should be understood by those skilled in the art that the above illustration is only for purposes of illustration and is not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims (8)

1. The utility model provides a water heater, includes water tank and heat exchange assembly, the water tank includes water inlet and delivery port, its characterized in that, heat exchange assembly set up in the water tank, heat exchange assembly includes combustion chamber and a plurality of heat exchange tube, the one end of combustion chamber is the feed inlet, the feed inlet stretches out outside the water tank, the other end intercommunication of combustion chamber the heat exchange tube, the heat exchange tube is in turn back the intercommunication in the water tank and arrange the back intercommunication and discharge fume the pipe, discharge fume the pipe intercommunication extremely outside the water tank.

2. The water heater of claim 1, wherein the tank includes a support layer and an insulation layer, the insulation layer being wrapped outside the support layer.

3. The water heater of claim 2, wherein the insulating layer is made of insulating cotton, and corner strips are arranged at corners of the insulating layer.

4. A water heater according to claim 3, wherein a level gauge is provided outside the water tank.

5. The water heater of claim 4, wherein the water inlet is disposed at the top of the water tank, the water outlet is disposed at the side of the water tank, and the water outlet is located at one side of the heat exchange tube.

6. The water heater of claim 1, wherein the heat exchange assembly further comprises a plurality of flues, the combustion chamber is communicated to the heat exchange tubes through the flues, and the heat exchange tubes are communicated back and forth through the flues; two ends of each heat exchange tube are communicated to different flues; and the same flue is communicated with a plurality of heat exchange tubes.

7. The water heater of claim 6 wherein the heat exchange tube communicates through the flue to the smoke exhaust tube.

8. The water heater of claim 1, wherein the combustion chamber is axially provided with fins at its periphery.

Images