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Municipal sludge pyrolysis system and pyrolysis treatment method

A municipal sludge and treatment method technology, which is applied in the direction of pyrolysis treatment of sludge, etc., can solve the problems of low utilization rate of sludge calorific value, increase the difficulty of treatment, and discharge of heavy metals, so as to improve the effect of thermal decomposition and the utilization of calorific value rate, and the effect of reducing pollution

Active Publication Date: 2017-10-20
ZHEJIANG SANLIAN ENVIRONMENT MACHINERY EQUIP
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  • Application Information

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Problems solved by technology

However, since the sludge contains a large amount of heavy metal substances, if the sludge is directly burned, not only the utilization rate of the sludge calorific value is low, but also the heavy metals will be discharged together with the hot flue gas, which increases the difficulty of treatment

Method used

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  • Municipal sludge pyrolysis system and pyrolysis treatment method
  • Municipal sludge pyrolysis system and pyrolysis treatment method

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Embodiment Construction

[0023] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0024] Such as figure 1 In the shown embodiment, a municipal sludge pyrolysis device includes a platform 11 and an incinerator body 1 arranged on the platform, and an incineration chamber is arranged in the incinerator body. The incineration chamber is provided with a pyrolysis furnace body 2, the axial direction of the pyrolysis furnace body is arranged along the horizontal direction, the pyrolysis furnace body can rotate relative to the incineration furnace body, and the end of the pyrolysis furnace body is sealed with the incineration chamber. The feed end of pyrolysis furnace body is provided with the transmission part 2a that stretches out incinerator body outside, and transmission part is provided with transmission ring gear 15, and pyrolysis furnace motor 14 is arranged on the platform, and on the output shaft of pyrolysis furnace motor,...

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Abstract

The invention discloses a municipal sludge pyrolysis system and a pyrolysis treatment method. The municipal sludge pyrolysis system comprises a pedestal and an incinerating furnace body arranged on the pedestal, wherein an incinerating chamber is formed in the incinerating furnace body; a pyrolysis furnace body is arranged inside the incinerating chamber; the end part of the pyrolyzing furnace body is in sealed fit with the incinerating chamber; a pyrolysis furnace motor for driving the pyrolyzing furnace body to rotate in the horizontal axial direction is arranged on the pedestal; a communicated separating chamber is formed in the discharge end of the pyrolysis furnace body; a gas inlet pipe connecting the separating chamber and the incinerating chamber is arranged inside the incinerating furnace body; a discharge opening is formed in the lower end of the separating chamber; a partition board for partitioning the incinerating chamber into an upper incinerating chamber and a lower incinerating chamber is arranged inside the incinerating furnace body; an upper oxygen supplying pipe is arranged inside the upper incinerating chamber; a lower oxygen supplying pipe is arranged inside the lower incinerating chamber; a secondary oxygen supplying chamber is formed in the discharge opening; a hot flue gas pipe flowing into the incinerating chamber in one-way manner is arranged on the upper part of the secondary oxygen supplying chamber; a conveying pipe leading to the lower incinerating chamber is arranged on the lower part of the secondary oxygen supplying chamber. The invention aims to provide the municipal sludge pyrolysis system and the pyrolysis treatment method.

Description

technical field [0001] The invention belongs to the field of sludge treatment, in particular to a municipal sludge pyrolysis system and a pyrolysis treatment method. Background technique [0002] At present, the usual treatment method of sludge is landfill or incineration. Since landfill needs to occupy a large amount of land and will cause great pollution to the land after landfill, the waste of land resources is relatively serious; incineration is currently the most important method for sludge A more thorough solution is to dry the sludge after preliminary treatment to reduce the moisture content of the sludge so that it can quickly reach the ignition point and be ignited smoothly. For example, Chinese Patent Publication No.: CN205560779U discloses a pyrolysis incineration equipment, including a platform and a rotary kiln body that can rotate along its own axis, and a kiln that is rotatably connected to the kiln head end of the rotary kiln body is provided on the platform....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F11/10
Inventor 纪伟勇吴天炳刘红珍汪苏萍蓝丽梅
Owner ZHEJIANG SANLIAN ENVIRONMENT MACHINERY EQUIP
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