Water-cooling premixing vacuum hot water boiler

Abstract

The utility model discloses a water cooling premixing vacuum hot water boiler which comprises a boiler body, a combustion chamber and a heat exchange chamber are arranged in the boiler body, a premixing combustor is installed on the outer side face of the combustion chamber in a penetrating mode, a smoke exhaust pipe is installed on the other side of the combustion chamber in a penetrating mode, and a fire gathering ring is arranged in the combustion chamber. And the heat exchange chamber is filled with high-purity water, a water supplementing opening is formed in the upper surface of the heat exchange chamber in a penetrating mode, and a water supplementing cover is arranged at the water supplementing opening. According to the utility model, the fire gathering ring with the structure with the narrow upper part and the wide lower part is arranged in the combustion chamber, so that flames generated by the premixing combustor can be concentrated, the combustion is more sufficient, the combustion efficiency is improved, the flames act on a heating surface in a more concentrated manner, and the heat transfer effect is enhanced; and the stirring paddle is matched to stir water in the heat exchange chamber under the driving of the stirring motor, so that the water temperature is more uniform, local overheating or supercooling is avoided, and the overall heat exchange effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a boiler equipment technical field, concretely relates to a water -cooling premix vacuum hot -water boiler. BACKGROUND

[0002] Vacuum boiler is a kind of hot water boiler, also called vacuum hot water machine, the basic principle of vacuum boiler is invented in 1972 in Zurich university of technology, vacuum boiler is mainly used for civil heating, can be applied to hotel, residential area, commercial place and so on specifically for heating, sanitary hot water heating, vacuum boiler forms a vacuum environment of negative pressure in the closed furnace body, fills the heat medium water in the body, heats the heat medium water by burning or other ways, then evaporates and condenses the heat medium water to the heat exchanger, and the heat exchanger heats the water needing heating.

[0003] The existing public technology application number: CN221146814U a straight-through water-cooled combustion fire tube vacuum boiler relates to the technical field of vacuum boiler, the utility model discloses a fire tube is arranged in the circumferential array mode on the outer peripheral side of gas storage pipe, and the exhaust hole is arranged between the two fire tubes adjacent to each other, which can effectively ensure that the mixed gas and air are uniformly sprayed from the fire tube gap after burning, thereby ensuring that the fire tube can uniformly and continuously reduce the flame temperature, and the flame arrangement is uniform to avoid local high temperature, effectively inhibiting the generation of thermal NOx, realizing low-nitrogen environmental protection.

[0004] The existing water-cooled premix vacuum hot water boiler has dispersed flame, which leads to insufficient concentration of combustion, and thus the combustion effect needs to be improved, resulting in low boiler thermal efficiency.

[0005] Therefore, based on this, the utility model technical scheme is proposed. UTILITY MODEL CONTENT

[0006] (I) technical problem solved

[0007] In view of the deficiency of prior art, the utility model provides a water-cooled premix vacuum hot water boiler, which has the advantages of gathering flame and improving combustion effect, thereby solving the problems in the above background technology.

[0008] (II) technical scheme

[0009] To realize the above-mentioned advantages of gathering flame and improving combustion effect, the utility model adopts the following specific technical scheme:

[0010] The utility model provides a kind of water-cooled premix vacuum hot water boiler, including boiler body, the inside of the boiler body is opened with combustion chamber and heat exchange chamber, the outside of the combustion chamber is installed with premix burner, the other side of the combustion chamber is installed with flue, the inside of the combustion chamber is provided with fire circle, and fire circle is upper narrow lower wide structure, the inside of the heat exchange chamber is filled with high-purity water, and the upper surface of heat exchange chamber is installed with water supplementing opening, and water supplementing opening is provided with water supplementing cover, the inside of the heat exchange chamber is installed with heat exchange pipe, and the both ends of heat exchange pipe are installed with plug, the surface of heat exchange pipe is provided with inlet pipe and outlet pipe, the upper surface of heat exchange chamber is installed with vacuum pump by pipeline, the outlet of vacuum pump is installed with valve, the inside of the heat exchange chamber is provided with stirring paddle, and the end of stirring paddle is installed with stirring motor.

[0011] Further, the side surface of the plug is provided with a cleaning motor, the output end of the cleaning motor is provided with a spiral cleaning paddle, and the edge of the spiral cleaning paddle is provided with a cleaning blade, and the cleaning blade is attached to the inner wall of the heat exchange pipe.

[0012] Further, the surface of the heat exchange pipe is annularly arrayed with fins.

[0013] Further, the upper surface of the boiler body is provided with a pressure gauge through the heat exchange chamber.

[0014] Further, the side surfaces of the cleaning motor and the stirring motor are both provided with heat insulation pads.

[0015] Further, the side surface of the boiler body is provided with a controller.

[0016] The utility model has the advantages that:

[0017] (1), the utility model discloses, the inside of combustion chamber is provided with the fire circle of upper narrow lower wide structure, helps to concentrate the flame generated by premix burner, makes combustion more fully, improves combustion efficiency, makes flame more concentratedly act on heating surface simultaneously, enhances heat transfer effect, cooperates with the stirring paddle and is driven under the stirring motor to the water in heat exchange chamber and is stirred, makes water temperature more uniform, avoids local overheating or overcooling, improves overall heat exchange effect.

[0018] (2), the utility model discloses, adopts cleaning motor, spiral cleaning paddle and cleaning blade, can open the plug of one side regularly, and starts cleaning motor, drives spiral cleaning paddle and cleaning blade, carries out cleaning to the inner wall of heat exchange pipe, and discharges scale or impurity from outlet, prevents scale, impurity and the like deposition, guarantees heat exchange effect, prolongs the service life of heat exchange pipe. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings described in the following are only some embodiments of the present application, and all other embodiments obtained by those skilled in the art without creative labor based on these drawings shall fall within the scope of the present application.

[0020] Figure 1 is a structural schematic diagram of a water-cooled premixing vacuum hot water boiler provided by the present application;

[0021] Figure 2 is a schematic diagram of the internal structure of the combustion chamber of the present application;

[0022] Figure 3 is a schematic diagram of the internal structure of the heat exchange pipe of the present application.

[0023] In the drawings, the reference signs are:

[0024] 1-boiler body; 2-combustion chamber; 3-heat exchange chamber; 4-premixing burner; 5-fire gathering ring; 6-exhaust pipe; 7-stirring paddle; 8-stirring motor; 9-water supplement cover; 10-heat exchange pipe; 11-inlet pipe; 12-outlet pipe; 13-fins; 14-plug; 15-cleaning motor; 16-spiral cleaning paddle; 17-cleaning blade; 18-vacuum pump; 19-pressure gauge; 20-heat insulation pad; 21-controller. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solutions and advantages of the present application more clear, the technical solutions of the present application will be described in detail. Obviously, the described embodiments are only some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor shall fall within the scope of the present application.

[0026] In the description of the present application, it should be understood that the terms "upper", "lower", "inner", "outer", "top", "bottom" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0027] In addition, the terms "first", "second", "third", etc. are used herein only to describe different instances, and are not used to indicate or imply relative importance or a number of indicated technical features. Thus, the features defined with "first", "second", etc. can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" or "several" is at least two, for example, two, three, etc., unless otherwise explicitly specified and limited.

[0028] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship of two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0029] Embodiment 1

[0030] Reference Figure 1 、 Figure 2 and Figure 3 According to the water-cooled premixing vacuum hot water boiler of the embodiment of the present application, the inside of the boiler body 1 is provided with a combustion chamber 2 and a heat exchange chamber 3, the outer side of the combustion chamber 2 is provided with a premixing burner 4, the other side of the combustion chamber 2 is provided with a smoke exhaust pipe 6, the inside of the combustion chamber 2 is provided with a fire collecting ring 5, the inside of the heat exchange chamber 3 is filled with high-purity water, the upper surface of the heat exchange chamber 3 is provided with a water supplementing opening, the water supplementing opening is provided with a water supplementing cover 9, the inside of the heat exchange chamber 3 is provided with a heat exchange pipe 10, the ends of the heat exchange pipe 10 are provided with plugs 14, the surface of the heat exchange pipe 10 is provided with a water inlet pipe 11 and a water outlet pipe 12, the upper surface of the heat exchange chamber 3 is provided with a vacuum pump 18 through a pipeline, the outlet end of the vacuum pump 18 is provided with a valve, the inside of the heat exchange chamber 3 is provided with a stirring paddle 7, and the end of the stirring paddle 7 is provided with a stirring motor 8.

[0031] Embodiment 2

[0032] The side surface of the plug 14 is provided with a cleaning motor 15, the output end of the cleaning motor 15 is provided with a spiral cleaning paddle 16, the edge of the spiral cleaning paddle 16 is provided with a cleaning blade 17, and the cleaning blade 17 is arranged in close contact with the inner wall of the heat exchange pipe 10.

[0033] Embodiment 3

[0034] The surface of the heat exchange pipe 10 is annularly arrayed and welded with fins 13.

[0035] Embodiment 4

[0036] A pressure gauge 19 is installed on the upper surface of the boiler body 1 through the heat exchange chamber 3.

[0037] Example 5

[0038] Heat insulation pads 20 are installed on the side surfaces of the cleaning motor 15 and the stirring motor 8.

[0039] Example 6

[0040] A controller 21 is arranged on the side surface of the boiler body 1.

[0041] The above merely provides a specific implementation of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the present application, which shall be covered within the protection scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A water-cooled premixed vacuum hot water boiler, comprising a boiler body (1), characterized in that, The boiler body (1) has a combustion chamber (2) and a heat exchange chamber (3) inside. A premixed burner (4) is installed through the outer side of the combustion chamber (2). A flue pipe (6) is installed through the other side of the combustion chamber (2). A fire-gathering ring (5) is provided inside the combustion chamber (2), and the fire-gathering ring (5) has a structure that is narrow at the top and wide at the bottom. The heat exchange chamber (3) is filled with high-purity water, and a water inlet is provided through the upper surface of the heat exchange chamber (3), and a water inlet cover is provided at the water inlet. 9) A heat exchange tube (10) is installed through the interior of the heat exchange chamber (3), and plugs (14) are installed at both ends of the heat exchange tube (10). A water inlet pipe (11) and a water outlet pipe (12) are provided on the surface of the heat exchange tube (10). A vacuum pump (18) is installed through the upper surface of the heat exchange chamber (3) via a pipe. A valve is installed at the outlet end of the vacuum pump (18). A stirring paddle (7) is provided inside the heat exchange chamber (3), and a stirring motor (8) is installed at the end of the stirring paddle (7).

2. The water-cooled premixed vacuum hot water boiler according to claim 1, characterized in that, The side surface of the plug (14) is provided with a cleaning motor (15), the output end of the cleaning motor (15) is equipped with a spiral cleaning paddle (16), and a cleaning scraper (17) is provided at the edge of the spiral cleaning paddle (16), and the cleaning scraper (17) is fitted to the inner wall of the heat exchange tube (10).

3. A water-cooled premixed vacuum hot water boiler according to claim 2, characterized in that, The surface of the heat exchange tube (10) is welded with fins (13) in a ring array.

4. A water-cooled premixed vacuum hot water boiler according to claim 3, characterized in that, A pressure gauge (19) is installed on the upper surface of the boiler body (1) through the heat exchange chamber (3).

5. A water-cooled premixed vacuum hot water boiler according to claim 4, characterized in that, The side surfaces of the cleaning motor (15) and the stirring motor (8) are both equipped with heat insulation pads (20).

6. A water-cooled premixed vacuum hot water boiler according to claim 5, characterized in that, A controller (21) is provided on the side surface of the boiler body (1).

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