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Mercury catalyst processing device

A treatment device and mercury catalyst technology, applied in the direction of improving process efficiency, can solve the problems of uneven heating of mercury-containing materials, not being completely distilled, reducing mercury recovery rate, etc. Contaminated by impurities, the effect of reducing energy consumption

Inactive Publication Date: 2015-12-09
贵州蓝天固废处置有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the prior art, high-temperature distillation is used for the treatment of mercury catalysts to produce mercury, which leads to a large energy consumption in the mercury production process, and it is difficult to overcome the outward flow of mercury vapor due to the technical indicators of the equipment in the prior art. Leakage, which in turn causes mercury to be distributed in the environment, which not only causes environmental pollution, but also reduces the recovery rate of mercury; at the same time, traditional distillation equipment conducts distillation treatment, which makes the heating of mercury-containing materials uneven, which in turn makes part of the distillate The mercury has been distilled, and some mercury-containing materials are still mixed in it, which leads to longer distillation time and higher production costs. In addition, during the process of discharging the distillation waste residue, the mercury-containing materials are not completely heated due to uneven heating. Distillation, and then cause some mercury-containing materials to be discharged during discharge, thereby reducing the recovery rate of mercury, causing the environment to be polluted, and making it difficult for the production process of mercury in the prior art to overcome the discharge of waste residue, waste gas, and waste liquid. The mercury content reaches 1-2%, which leads to mercury pollution to the greatest extent

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Such as figure 1 , figure 2 , image 3 As shown, a mercury catalyst treatment device is composed of a step 5, a distillation chamber arranged on the step 5 and a waste collection part arranged under the step 5.

[0023] 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 of described d...

Embodiment 2

[0044] On the basis of embodiment 1, a kind of preparation method of mercury catalyst treatment device comprises the following steps:

[0045] (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;

[0046](2) Preparation of the distillation furnace chamber: after the preparation of the steps is completed, the ...

Embodiment 3

[0049] In the process of using the mercury catalyst treatment device prepared in Example 1 or Example 2 to carry out mercury catalyst treatment and carry out mercury distillation treatment, the mercury catalyst is added into the distillation tube through the material inlet, so that the distillation tube reaches the mercury vapor collection chamber. The mercury catalyst is 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 into the combustion chamber of the distillation furnace, the gas is burned in the combustion chamber, and then the distillation process is achieved. The distillation treatment of the mercury catalyst in the tube 3 makes the mercury volatilize into the mercury vapor collection chamber in the form of steam, and then it is discharged from the distillation furnace through the mercury vapor outlet and sent to be cooled and collected; while the residue material after the distillation is ...

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Abstract

The invention relates to the technical field of a device for mercury catalyst processing, in particular to a mercury catalyst processing device. The mercury catalyst processing device consists of a step, a distillation furnace cavity and a waste material collecting part, wherein the distillation furnace cavity is arranged at the step; the waste material collecting part is arranged under the step; the distillation furnace cavity consists of a furnace wall, a material inlet, a cover plate, an oxygen supply pipe, a coal gas inlet and a distillation pipe; the material inlet is formed in the top end of the distillation furnace cavity; the cover plate can be anastomotic with the material inlet; the oxygen support pipe and the coal gas inlet are arranged at the bottom of the furnace wall; the distillation pipe is vertically arranged inside the furnace wall; a combustion cavity is formed between the distillation pipe and the furnace wall; the oxygen supply pipe and the coal gas inlet are communicated with the combustion cavity; a tail gas outlet and a mercury vapor outlet are formed in positions, near the material inlet, of the furnace wall; the tail gas outlet is communicated with the combustion cavity; the top end of the distillation pipe is provided with a mercury vapor collecting cavity; and the mercury vapor collecting cavity is communicated with the mercury vapor outlet. Therefore mercury catalysts fall down under the gravity effect and perform heat exchange with the rising mercury vapor in the distillation pipe; the uniformly heated effect is achieved; the energy consumption is reduced; the mercury recovery rate is improved; and the mercury emission is lower than 0.3 percent.

Description

technical field [0001] The invention relates to the technical field of mercury catalyst processing devices, in particular to a mercury catalyst processing device. Background technique [0002] In the prior art, high-temperature distillation is used for the treatment of mercury catalysts to produce mercury, which leads to a large energy consumption in the mercury production process, and it is difficult to overcome the outward flow of mercury vapor due to the technical indicators of the equipment in the prior art. Leakage, which in turn causes mercury to be distributed in the environment, which not only causes environmental pollution, but also reduces the recovery rate of mercury; at the same time, traditional distillation equipment conducts distillation treatment, which makes the heating of mercury-containing materials uneven, which in turn makes part of the distillate The mercury has been distilled, and some mercury-containing materials are still mixed in it, which leads to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22B7/00C22B43/00
CPCY02P10/20
Inventor 吴斌张炜军谢旺军彭智明
Owner 贵州蓝天固废处置有限公司
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