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A flue gas treatment system

A flue gas treatment system and treatment tower technology, applied in the direction of dispersed particle separation, chemical instruments and methods, and the use of liquid separation agents, can solve problems such as easy blockage, pipe blockage, and affecting normal operation of equipment, and achieve simple processing structure , high processing efficiency and simple operation

Active Publication Date: 2017-07-28
ZHE JIANG ECO ENVIRONMENTAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the actual operation process, according to the applicant’s response, the pyrolysis gas generated during the pyrolysis process of oily sludge is prone to blockage when it enters the pipeline after entering the condensation process, which affects the normal operation of the equipment
During the operation, the inventors believe that a part of the dust will enter the condensing device along with the high-temperature flue gas during the pyrolysis and carbonization process of the oily sludge, and the high-temperature gas will condense into a liquid after being condensed. The liquid contains various heavy oil components, heavy The mixture of oil components and dust will cause the blockage of the pipeline and affect the normal operation of the process

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] figure 1 It is a structural schematic diagram of Embodiment 1 of the flue gas treatment system. Such as figure 1 As shown, the present invention provides a flue gas treatment system, including: a first-stage treatment tower 1 and a bottom tower 3; The first gas inlet 1a communicated with the channel 4 and the first gas outlet 1b communicated with the first flow channel 4 are offered at the top; the first flow channel 4 is provided with at least one first shower 5 with the nozzle downward; the first shower 5 is arranged above the first gas inlet 1a, and the water inlet of the first sprayer 5 communicates with the liquid of the bottom tower 3 through the pump 5a and the pipeline; of course, a medicine box can also be arranged between the pump 5a and the water inlet 5b, there is a desulfurization agent in the medicine box 5b. At this time, the liquid sprayed by the first sprayer 5 contains desulfurization agent, which is more conducive to the spraying treatment of the ga...

Embodiment 2

[0046] figure 2 It is a schematic structural diagram of Embodiment 2 of the flue gas treatment system. Such as figure 2 As shown, the present invention also includes a second-stage processing tower 2, and it should be noted that other structures of this embodiment may be the same as those of Embodiment 1, so there is no need to repeat them here. The second-stage processing tower 6 has a second flow channel 7 for gas circulation, and the second flow channel 7 is divided into a left side area 7a and a right side area 7b by a partition plate 8 arranged vertically. The top wall is airtightly connected to the top wall of the second flow channel 7, and the bottom wall of the partition plate 8 is located at the bottom of the second flow channel 7 and is spaced from the bottom wall of the second flow channel to form a gas flow port 7c; The second gas inlet 7d opened on the side and communicated with the left area 7a, and the second gas outlet 7e opened on the side and communicated...

Embodiment 3

[0049] image 3 It is a structural schematic diagram of Embodiment 3 of the flue gas treatment system. Such as image 3 As shown, in addition, the first gas outlet 1b communicates with the second gas inlet 7d, and the gas flowing out of the first gas outlet 1b enters the second gas inlet 7d and enters the second flow channel 7; it should be noted that, in addition , the other structures of this embodiment may be the same as those of Embodiment 1, so there is no need to repeat them here. In actual use, after the gas is cooled and sprayed by the first-stage treatment tower, the light components and most of the dust in the gas are removed, and then enters the second-stage treatment tower through the second gas inlet to remove the heavy components in the gas. At this time, the gas has been treated in two stages to obtain relatively clean non-condensable gas, which can be recycled as fuel or directly passed into the combustion chamber for combustion. The gas after two-stage puri...

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Abstract

The invention relates to a flue gas treatment system. The flue gas treatment system comprises a primary treatment tower (1) and a bottom tower (3), the primary treatment tower (1) is provided with a first circulation channel (4) for the circulation of a gas (6), a first gas inlet (1a) and a first gas outlet (1b), and the first circulation channel (4) is provided with a first spraying device (5) with at least one spraying hole which faces down. The gas (6) enters the first circulation channel (4) from the first gas inlet (1a) and is partially converted into a liquid after being sprayed by a liquid in the first spraying device (5), and the unconverted gas is discharged out of the first gas outlet (1b). The condensable gas can be converted into the liquid effectively and rapidly in a way of spraying a liquid, dust in the flue gas can be removed effectively, and the condensed liquid-state substances can be treated in the next step along with the liquid. The flue gas treatment system has the characteristics of simple structure, simple operation, high oil recovery rate, high flue-gas purification efficiency and the like.

Description

technical field [0001] The invention relates to a flue gas treatment system, in particular to a device for treating high-temperature flue gas generated during sludge drying and pyrolysis and carbonization. Background technique [0002] According to statistics, my country's oil production industry produces more than one million tons of oily sludge. Oily sludge contains a large amount of petroleum hydrocarbons. If it is not used, it will not only waste oil and gas resources, but also because of the high water content, the sludge volume is relatively large, and it needs to occupy a large area of ​​land for storage or landfill, which is easy to pollute the environment. . Treatment technologies for oily sludge at home and abroad include incineration, biological treatment and pyrolysis. As a more effective resource treatment technology, the pyrolysis and carbonization of oily sludge is gradually adopted by the industry. [0003] The invention of the application number 201110192...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D53/00B01D47/06
Inventor 车磊
Owner ZHE JIANG ECO ENVIRONMENTAL TECH CO LTD