Gas heater with improved nozzle

Abstract

A gas heater with improved nozzles comprises a shell, a gas valve, a left infrared burner, a left nozzle, a right infrared burner, a right nozzle and a frame with an upper opening, the left nozzle comprises a left body portion with an upper opening, a left head portion, a left injection cavity, a left pressurization cavity, a release cavity and a left injection cavity, and the left injection cavity, the left pressurization cavity, the release cavity and the left injection cavity are arranged from bottom to top; the right nozzle comprises a right body part with an upper opening, a right head part, and a right injection cavity, a right pressurizing cavity and a right jet cavity which are arranged from bottom to top; the gas valve is arranged on the right side of the shell, combustion parts of the left infrared combustor and the right infrared combustor are embedded into the mounting holes, one frame is fixed to the left infrared combustor, the other frame is fixed to the right infrared combustor, the left nozzle and the right nozzle are arranged on the frames respectively, the left injection cavity and the right injection cavity are opposite to the left injection pipe and the right injection pipe respectively, and the left injection cavity and the right injection cavity are communicated with the left injection pipe and the right injection pipe respectively. And the left nozzle and the right nozzle are communicated with a gas valve through a gas pipe. The left nozzle is provided with a release cavity and a left injection pipe, the air amount is increased, and therefore the left infrared combustor and the right infrared combustor are synchronous.

Description

Technical Field

[0001] The utility model relates to a gas heater. Background Art

[0002] At present, the existing technology is Chinese patent 201711415806.7, a gas heater, including a housing, a control valve, an oxygen deficiency protection device, and a burner. The control valve is connected to an air inlet pipe, and an air outlet pipe is connected between the control valve and the burner. The air inlet pipe and the air outlet pipe are connected to form a combustion gas path. The control valve is connected to a pilot gas pipe and the air outlet end of the pilot gas pipe is opposite to the air outlet end of the burner. The air inlet pipe and the pilot gas pipe are connected to form a pilot gas path. A valve core is provided in the control valve to interrupt the supply of gas to the combustion gas path when the pilot gas path is supplying gas. The control valve is provided with a solenoid valve connected to the oxygen deficiency protection device and capable of blocking the air intake of the air inlet pipe. The number of burners is not disclosed.

[0003] At present, a gas heater adopts two burners arranged on the left and right, and the gas valve is arranged on the right side of the shell. There is a problem that when the heater is started, the burner on the right burns first, and the burner on the left is delayed. Utility Model Content

[0004] The utility model aims to provide a gas heater with an improved nozzle, which has the characteristics that a left infrared burner and a right infrared burner burn and turn red at the same time.

[0005] The utility model is realized as follows: a gas heater with an improved nozzle, which is special in that it comprises a housing, a gas valve, a left infrared burner, a left nozzle, a right infrared burner, a right nozzle and a frame with an upper opening.

[0006] A combustion chamber is provided at the front of the shell cavity of the housing, and a mounting hole is provided on the back plate of the combustion chamber; the left infrared burner and the right infrared burner respectively include a left ejector tube and a right ejector tube;

[0007] The right nozzle includes a right body with an upper opening, a right head, and a right ejection chamber, a right pressurizing chamber and a right injection chamber arranged from bottom to top.

[0008] The left nozzle comprises a left body with an upper opening, a left head, and a left ejection chamber, a left pressurizing chamber, a release chamber and a left injection chamber arranged from bottom to top;

[0009] The gas valve is arranged on the right side of the shell, the combustion parts of the left infrared burner and the right infrared burner are embedded in the mounting hole, one frame is fixed to the left infrared burner, and the other frame is fixed to the right infrared burner, the left nozzle and the right nozzle are respectively arranged on the frame, the left injection chamber and the right injection chamber are respectively opposite to the left ejector pipe and the right ejector pipe, and the left nozzle and the right nozzle are connected to the gas valve through the gas pipe.

[0010] The special feature of the improved nozzle gas heater is that: the bottom horizontal plate of the frame is provided with a hole for avoiding air;

[0011] It also includes a fixed seat plate, a nut and an air inlet joint, wherein the fixed seat plate is provided with a fixing hole; the air inlet joint includes a joint body, an external thread head and a hexagonal driving part, wherein the external thread head is provided with an internal thread; the external thread head passes through the fixing hole and is screwed with the nut, and the fixed seat plate and the bottom horizontal hole are fixed to form a nozzle fixing device;

[0012] The left head of the left nozzle is screwed with the internal thread of the external thread head of a nozzle fixing device, and the right head of the right nozzle is screwed with the internal thread of the external thread head of another nozzle fixing device.

[0013] The special feature of the gas heater with improved nozzle is that the bottom horizontal plate and the fixed seat plate are welded, riveted or connected with screws.

[0014] The gas heater with improved nozzle is special in that the diameter of the left injection cavity is larger than the diameter of the right injection cavity.

[0015] The utility model discloses a gas heater with an improved nozzle. A release cavity and a left injection pipe are arranged on the left nozzle, so that the air volume is increased, thereby synchronizing the left infrared burner and the right infrared burner. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a cross-sectional view of the utility model.

[0017] Figure 2 yes Figure 1 Magnified view of area A.

[0018] Figure 3 yes Figure 1 Magnified view of area B.

[0019] Figure 4 It is a three-dimensional exploded view of the nozzle fixing device of the utility model.

[0020] Figure 5 It is a stereogram of the utility model.

[0021] Figure 6 It is a three-dimensional exploded view of the utility model. DETAILED DESCRIPTION

[0022] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0023] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] like Figure 1 As shown, a gas heater with an improved nozzle comprises a housing 1, a gas valve 2, a left infrared burner 3, a left nozzle 4, a right infrared burner 5, a right nozzle 6 and a frame 7 with an upper opening.

[0025] The front part of the shell cavity of the shell 1 is provided with a combustion chamber 11 with a front opening, the two ends of the shell 1 are arranged on the tank cavity, the back plate of the combustion chamber 11 is provided with a mounting hole, and the shell 1 is provided with a protective net, which covers the front opening of the combustion chamber;

[0026] The left infrared burner 3 is provided with a left ejector tube, and the right infrared burner 5 is provided with a right ejector tube;

[0027] like Figure 2 As shown, the right nozzle 6 includes a right body 61 with an upper opening, a right head 62, and a right ejection chamber, a right pressurizing chamber and a right injection chamber 63 arranged from bottom to top, and the right pressurizing chamber includes a truncated cone portion and a cylindrical portion;

[0028] like Figure 3 As shown, the left nozzle 4 includes a left body 41 with an upper opening, a left head 42, and a left ejection chamber, a left pressurizing chamber, a release chamber 43 and a left injection chamber 44 arranged from bottom to top; the left pressurizing chamber includes a truncated cone portion and a cylindrical portion;

[0029] The diameter of the left injection cavity 44 is greater than the diameter of the right injection cavity 63;

[0030] The gas valve 2 is arranged on the right side of the housing 1, the left infrared burner 3 and the right infrared burner 5 are arranged in the housing cavity, and the combustion parts thereof are engaged with the mounting holes, a frame 7 is fixed to the left infrared burner 3, and another frame 7 is fixed to the right infrared burner 5, the left nozzle 4 and the right nozzle 6 are respectively arranged on the frame 7, the left injection cavity 44 and the right injection cavity 63 are respectively opposite to the left ejector tube and the right ejector tube, and the left nozzle 4 and the right nozzle 6 are connected with the gas valve 2 through the gas pipe;

[0031] The pipeline connecting the right infrared burner and the gas valve is short, while the pipeline connecting the left infrared burner and the gas valve is long; the setting of the release chamber 43 and the left injection chamber 44 eliminates the defect of delayed combustion of the left infrared burner in the prior art; the gas ejected from the left injection chamber 44 can be mixed with more air.

[0032] As a further improvement of the present invention: a clearance hole 71 is provided on the bottom horizontal plate of the frame 7;

[0033] It also includes a fixed seat plate 8, a nut 9 and an air inlet connector 10.

[0034] The fixed seat plate 8 is provided with a fixing hole 81;

[0035] The air inlet connector 10 includes a connector body 101, an external thread head 102 and a hexagonal driving portion 103. The external thread head 102 is provided with an internal thread. The external thread head 102 passes through the fixing hole 81 and is screwed with the nut 9. The fixing seat plate 8 and the bottom horizontal plate are fixed to form a nozzle fixing device. The nut 9 is located in the air avoidance hole 71.

[0036] The left head 42 of the left nozzle 4 is screwed with the internal thread of the external thread head 102 of one nozzle fixing device, and the right head 62 of the right nozzle 6 is screwed with the internal thread of the external thread head 102 of another nozzle fixing device.

[0037] The bottom transverse plate and the fixed seat plate 8 are welded, riveted or connected with screws.

[0038] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A gas heater with an improved nozzle, characterized in that: It includes a shell, a gas valve, a left infrared burner, a left nozzle, a right infrared burner, a right nozzle and a frame with an upper opening. A combustion chamber is provided at the front of the shell cavity of the housing, and a mounting hole is provided on the back plate of the combustion chamber; the left infrared burner and the right infrared burner respectively include a left ejector tube and a right ejector tube; The left nozzle comprises a left body with an upper opening, a left head, and a left ejection chamber, a left pressurizing chamber, a release chamber and a left injection chamber arranged from bottom to top; The right nozzle comprises a right body with an upper opening, a right head, and a right ejection chamber, a right pressurizing chamber and a right injection chamber arranged from bottom to top; The gas valve is arranged on the right side of the shell, the combustion parts of the left infrared burner and the right infrared burner are embedded in the mounting hole, one frame is fixed to the left infrared burner, and the other frame is fixed to the right infrared burner, the left nozzle and the right nozzle are respectively arranged on the frame, the left injection chamber and the right injection chamber are respectively opposite to the left ejector pipe and the right ejector pipe, and the left nozzle and the right nozzle are connected with the gas valve through the gas pipe.

2. A gas heater with an improved nozzle according to claim 1, characterized in that: The bottom horizontal plate of the frame is provided with a hole for avoiding air; It also includes a fixed seat plate, a nut and an air inlet joint, wherein the fixed seat plate is provided with a fixing hole; the air inlet joint includes a joint body, an external thread head and a hexagonal driving part, wherein the external thread head is provided with an internal thread; the external thread head passes through the fixing hole and is screwed with the nut, and the fixed seat plate and the bottom horizontal plate are fixed to form a nozzle fixing device; The left head of the left nozzle is screwed with the internal thread of the external thread head of a nozzle fixing device, and the right head of the right nozzle is screwed with the internal thread of the external thread head of another nozzle fixing device.

3. A gas heater with an improved nozzle according to claim 2, characterized in that: The bottom transverse plate and the fixed seat plate are welded, riveted or connected with screws.

4. A gas heater with an improved nozzle according to claim 1, 2 or 3, characterized in that: The diameter of the left injection cavity is greater than the diameter of the right injection cavity.

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