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A sludge pyrolysis carbonization treatment method and device

A technology of pyrolysis carbonization and treatment method, which is applied in the direction of dehydration/drying/thickened sludge treatment, pyrolysis treatment sludge, special form of carbonization, etc., and can solve the problem of heat supply and heat utilization of auxiliary combustion chambers and combustion chambers Low cost, complex overall process and corresponding structure, and large equipment occupation area, etc., to achieve the effect of simple structure, reducing the incidence of equipment failure, and ensuring normal operation

Active Publication Date: 2017-11-24
ZHE JIANG ECO ENVIRONMENTAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In the actual use process, according to the applicant's report, this set of equipment can complete the drying and carbonization of sludge well, but it has certain problems: although the external heating type drying furnace and external heating type carbonization furnace can Adjust and control the temperature in the drying device and the carbonization device through auxiliary heating, but they need to be configured as follows figure 1 The above-mentioned auxiliary combustion chambers are equipped with corresponding burners, and the overall process and corresponding structure of the equipment are complicated. Low, the equipment occupies a large area and the production cost is high

Method used

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  • A sludge pyrolysis carbonization treatment method and device
  • A sludge pyrolysis carbonization treatment method and device
  • A sludge pyrolysis carbonization treatment method and device

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Embodiment 1

[0055] Figure 5 This is the process flow diagram of the pyrolysis and carbonization treatment method of sludge in Example 1. Such as Figure 5 As shown, a sludge pyrolysis carbonization treatment method includes heating, pretreatment, carbonization, gas treatment and gas utilization parts,

[0056] (a) Heat supply part: set up a burner, and pass the burner nozzle into a combustion chamber to obtain high temperature flue gas;

[0057] (b) Pre-treatment part: Put the sludge into the pre-treatment room, and the high-temperature flue gas introduced into the heating part is heated by an external heating jacket to heat the sludge in the pre-treatment room during work. The temperature is 500-700℃, and the pretreatment chamber is heated to 100-250℃;

[0058] (c) Carbonization treatment part: send the pre-treated sludge into the carbonization treatment chamber, introduce high-temperature flue gas from the heating part, and heat the sludge in the carbonization treatment chamber by means of e...

Embodiment 2

[0066] Image 6 It is a schematic diagram of the overall structure of the sludge pyrolysis and carbonization treatment device of the second embodiment. Such as Image 6 As shown, a sludge pyrolysis carbonization treatment device includes a combustion chamber 1, a pretreatment unit, a carbonization treatment unit, a gas treatment unit, and a gas utilization unit. The combustion chamber 1 is provided with a burner 1a; image 3 As shown, the pre-processing unit is an external heating dryer 2. The dryer 2 is provided with a dryer jacket 21. The dryer jacket 21 passes through the flue gas delivery pipe 4 and the high-temperature flue gas outlet of the combustion chamber 1 1a is connected; such as Figure 4 As shown, the carbonization processing unit is an external heating type carbonization furnace 3, and the carbonization furnace 3 is provided with a carbonization furnace jacket 31. The carbonization furnace jacket 31 passes through the flue gas delivery pipeline 4 and the high-tempe...

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Abstract

The invention relates to a method for pyrolytic carbonizing treatment of sludge. The method comprises: a heat supplying portion: arranging a combustor, and introducing a flaming port of the combustor into a combustion chamber to obtain high-temperature flue gas; a pre-treating portion: putting the sludge into a pre-treating chamber, and introducing the high-temperature flue gas of the heat supplying portion so as to heat the sludge to the temperature of 100-250 DEG C; a carbonizing treatment portion: feeding the pre-treated sludge into a carbonizing treatment chamber, and introducing the high-temperature flue gas of the heat supplying portion so as to heat the pre-treated sludge to the temperature of 450-650 DEG C; a gas treating portion: separately collecting gas-phase products generated from pre-treating and carbonizing treatment, and condensing the collected gas-phase products correspondingly by adopting a water spraying manner, so as to respectively obtain first oil, first noncondensable gas, second oil and second noncondensable gas; and a gas utilizing portion: introducing the second noncondensable gas into the combustion chamber of the heat supplying portion for combustion. The invention also provides a device for implementing the method. The method and the device have the advantages of simplified process, small equipment quantity, stability and reliability in operation, energy saving and environmental protection, high oil recovery ratio, and the like.

Description

Technical field: [0001] The invention belongs to the technical field of sludge treatment, and more specifically relates to a sludge pyrolysis carbonization treatment method and device. Background technique: [0002] In recent years, the output of waste water and sludge mainly produced in the process of oil exploration has been increasing, and the composition is complicated. Due to the high water content and large volume of sludge, it has caused difficulties in the resource treatment of sewage and sludge. Its storage or landfill needs to occupy a large area of ​​land, which is easy to pollute the environment. Among them, oily sludge contains a large amount of petroleum hydrocarbons, and the tail gas produced during the pyrolysis and carbonization process under oxygen isolation conditions mostly contains acid gas. (Such as HCL, SOX, HF, etc.), nitrogen oxides (Nox), dioxins (PCDDS / PCDFS) and heavy metals (Hg, Pb) and other toxic gases. If these toxic gases are discharged directly w...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F11/10C02F11/12C10B53/00C10B57/10
Inventor 车磊
Owner ZHE JIANG ECO ENVIRONMENTAL TECH CO LTD
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