Combustion gas distribution device for blue-flame gas water heater
A technology of gas water heaters and distribution devices, which is applied to fluid heaters, lighting and heating equipment, etc. It can solve the problems of changing the proportion of secondary air and it is difficult to ensure the state of blue flames, etc., and achieve smooth exhaust, high thermal efficiency, and heat exchange full effect
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Embodiment 1
[0031] figure 2 , 3 Shown is a specific structure of a two-channel three-way distributor, Figure 4 is its schematic diagram. The 3-way distributor 9 is a closed flat hollow box 90 that is substantially inverted and has two adjacent right-angled pentagons. The lower top of the inverted pentagon, or the side of the lower top, is provided with 2 Air intake hole 92, two air intake holes are respectively connected to gas valve 3 through gas solenoid valve 11, and a plurality of gas nozzles 91 of the various gas passages are arranged on the side near the bottom edge of the inverted pentagon, and a dividing plate 93 The box body is divided into two gas passages 94,95.
[0032] In the illustrated embodiment, the gas passage 94 has four nozzles 91, and the gas passage 95 has seven nozzles 91, and each gas nozzle is facing the injection hole of a fire row burner.
[0033]When the gas passage 94 is ventilated, there are 4 rows of fire row burners 5 burning, which is called the firs...
Embodiment 2
[0036] It is another embodiment of the gas distributor of the blue flame gas water heater of the present invention. The distributor of this embodiment is a 3-channel and 7-way distributor, and its structure is as follows Figure 4 As shown, the gas valve is respectively connected to the 3 passages of the 7-way distributor through 3 solenoid valves 11, one of the 3-way distributors is provided with 4 gas nozzles 91, and the other of the 3-way distributors One path is provided with 6 gas nozzles, and the other path of the 3-way distributor is provided with 8 gas nozzles, and each gas nozzle is facing the injection hole of a fire row burner.
[0037] The number of fire row burners corresponding to the 7-way distributor is as follows:
[0038] A section of the first solenoid valve conducts combustion with 4 gas nozzles and 4 rows of fire row burners;
[0039] The solenoid valve of the second stage of the second stage conducts combustion with 6 gas nozzles and 6 rows of fire row b...
Embodiment 3
[0047] The distributors of the first and second embodiments above are divided into several sections for gas supply, and the flames are concentrated in one or several sections, and the heat is concentrated, which is not conducive to the uniform heating of the heat exchanger.
[0048] Figure 6 , 7 Provides a 3-section 2-channel distributor for uniform flame distribution. The multi-channel distributor described in the illustration is a double-layered hollow box 80 of a pentagon with two adjacent right-angled base angles, which is roughly inverted. The air inlets 82 of the various gas passages described above are arranged on the lower top of the inverted pentagon, or on the side of the lower top, and the multiple gas nozzles 81 of the various gas passages are arranged near the bottom of the inverted pentagon. On the sides, and evenly and alternately distributed on a straight line parallel to the base of the pentagon.
[0049] For the multi-channel distributor with 7 sections an...
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