A kind of coal gas energy-saving mercury distillation furnace and preparation method thereof
A technology of distillation furnace and coal gas, which is applied in the field of coal gas energy-saving mercury distillation furnace and its preparation, can solve the problems of uneven heating of mercury-containing materials, reduced mercury recovery rate, long distillation time, etc. The effect of reducing energy consumption and speeding up distillation
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Embodiment 1
[0027] Such as figure 1 , figure 2 , image 3 As shown, a gas energy-saving mercury distillation furnace is composed of a step 5, a distillation chamber arranged on the step 5 and a waste collection part arranged under the step 5.
[0028] Described distillation furnace chamber, it is made up of furnace wall 2 and the material inlet 11 at the top of distillation furnace chamber, and the cover plate 14 that can coincide with material inlet 11, the oxygen supply pipe 4 that is arranged on the bottom of furnace wall 2 and gas inlet 9. The distillation tube 3 is vertically arranged inside the furnace wall 2. A combustion chamber is formed between the distillation pipe 3 and the furnace wall 2. The oxygen supply pipe 4 and the gas inlet 9 communicate with the combustion chamber; the furnace wall 2 is close to the material inlet 11 Tail gas outlet 10 and mercury vapor outlet 1 are arranged at the place, wherein tail gas outlet 10 is communicated with combustion chamber; The top o...
Embodiment 2
[0049] A method for preparing a gas energy-saving mercury distillation furnace, comprising the following steps:
[0050] (1) Preparation of the aggregate warehouse: Use bricks to build a double-layer wall according to the method of building a wall, and open a door at a certain part of the aggregate warehouse. The door width is 3-5m, and the door height is 1-2m. The door is welded and inlaid with steel plates to form a door frame. The thickness of the steel plate is 10-20mm, the width of the steel plate is 20-30mm, and the thickness of the steel plate embedded in the wall is half of the thickness of the steel plate; Cover the upper part of the wall with steps, and the thickness of the steps is set to 15-20cm. The steps are made of concrete pouring, and the outermost edge of the steps is wider than the outermost edge of the aggregate warehouse;
[0051] (2) Preparation of the distillation furnace chamber: after the preparation of the steps is completed, the distillation furnace ...
Embodiment 3
[0054] In the process of mercury distillation treatment using the gas energy-saving mercury distillation furnace prepared in Example 1 or Example 2, the mercury-containing and processed material is added to the distillation tube through the material inlet, so that the distillation tube reaches the point where the mercury vapor is collected. The materials in the cavity are all filled, and then the cover plate 14 is covered on the material inlet, and then through the gas inlet and the oxygen supply pipe in the combustion chamber of the distillation furnace, the gas is burned in the combustion chamber, thereby achieving The distillation treatment of the mercury-containing material in the distillation pipe 3 makes the mercury volatilize into the mercury vapor collection chamber in the form of steam, and is discharged from the distillation furnace through the mercury vapor outlet and sent to be cooled and collected; and the residue material after the distillation is completed Throug...
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