Low-nitrogen tail gas incinerator
A tail gas incineration and incinerator technology, which is applied in the direction of incinerators, combustion methods, combustion types, etc., can solve the problems of complex structure of the burner, temperature control of the incinerator furnace, etc., to save production raw materials, reduce equipment cost investment, and simplify the structure Effect
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Embodiment 1
[0032] In the existing low-nitrogen tail gas incinerator with graded air distribution, the structure of the burner is often too complicated, which is not conducive to reducing the structural size of the burner; Minimize the production of nitrogen oxides.
[0033]In order to solve the problems that the structure of the burner in the low-nitrogen tail gas incinerator in the prior art is too complicated, and it is difficult to control the temperature in the furnace of the incinerator, this embodiment proposes a low-nitrogen tail gas incinerator, as shown in the attached Figure 1-2 As shown, the incinerator includes a furnace body 8, a burner 3 communicated with the furnace body 8, the inside of the furnace body 8 is provided with a furnace 7, and the burner 3 includes a fire channel 6, and the fire channel 6 is set On one side of the burner 3 close to the direction of the furnace body 8, the burner 3 communicates with the furnace 7 through the fire channel 6;
[0034] The burne...
Embodiment 2
[0044] In order to facilitate the control of the intake of exhaust gas, as attached Figure 1-2 As shown, in this embodiment, on the basis of Embodiment 1, the intake structure of exhaust gas is improved:
[0045] Described incinerator comprises tail gas total inlet 5, and described tail gas total inlet 5 is connected with the inlet of secondary tail gas pipeline by secondary tail gas flow regulating valve 507, is used for controlling the intake amount of secondary tail gas; The total inlet 5 is provided with a primary tail gas pipeline 501 at the feed port of the secondary tail gas flow regulating valve 507, and the primary tail gas pipeline 501 is used as a branch, and the inlet of the primary tail gas pipeline 501 communicates with the total tail gas inlet 5 , the outlet of the primary exhaust gas pipeline 501 communicates with the primary exhaust gas inlet 503, and the primary exhaust gas pipeline 501 is provided with a primary exhaust gas flow regulating valve 502 for con...
Embodiment 3
[0054] as attached figure 1 As shown, this embodiment proposes a setting method of the first-stage exhaust gas pipeline. The first-stage exhaust gas pipeline includes a first-stage exhaust gas inlet 503 and a first-stage exhaust gas throat 505 connected in sequence, and feeds through the first-stage exhaust gas inlet 503 , and discharge through the first-stage tail gas throat 505. The primary exhaust gas throat 505 is sleeved outside the primary air throat 402 . Preferably, the primary exhaust gas throat 505 is arranged concentrically with the primary air throat 402 . Therefore, during the intake process of the first-stage exhaust gas, the first-stage exhaust gas can enter the furnace body 8 against the inner wall of the fire channel 6, or in other words, the first-stage exhaust gas is mainly distributed between the flame tongue and the inner wall of the fire channel 6, thereby protecting the fire channel. The lining of 6 is not burned by high temperature flame. The primary...
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