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Process and device for treating phenol-containing sewage of producer gas station

A technology for producing furnace gas and treatment process, which is applied in the direction of heating water/sewage treatment, multi-stage water/sewage treatment, water/sludge/sewage treatment, etc. It can solve the problems that cannot be adopted, and reduce the cooling load and improve the working environment. Effect of improving and reducing energy consumption

Inactive Publication Date: 2010-05-19
山东万丰煤化工设备制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The above two methods are only applicable to the ceramic industry and cannot be used in other industries

Method used

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  • Process and device for treating phenol-containing sewage of producer gas station
  • Process and device for treating phenol-containing sewage of producer gas station
  • Process and device for treating phenol-containing sewage of producer gas station

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] The phenolic sewage treatment device of the producer gas station, the structure can refer to figure 1 , 2 As shown, it includes a two-stage gasifier 2, an indirect cooler 4, a phenol water evaporator 7 and a phenol water vapor separator 11, and the gas outlet of the upper stage of the two-stage gasifier 2 passes through a pipeline and an indirect cooler 4 Connected with the phenol water vapor separator 11, the phenol water evaporator 7 is divided into a tube side and a shell side, the tube side is provided with a gas inlet 16 and a gas outlet 13, and the shell side is provided with a phenol-containing sewage inlet 18 and a phenol water vapor outlet 17. The phenol-containing sewage inlet 18 and the phenol water vapor outlet 17 are connected to the phenol water vapor separator 11 through pipelines, and the gas outlet of the lower stage of the two-stage gasifier 2 is connected to the shell side of the phenol water evaporator 7 through pipelines. Gas inlet 16 links to each...

Embodiment 2

[0037] The structure of the phenolic sewage treatment device of the producer gas station can still be referred to figure 1 , 2 As shown, but different from Example 1: the 8-ML3.4 two-stage gas generator gas station adopts a phenol water evaporator with an inner diameter of 1400mm, and the heat exchange tube diameter is 159mm, and the length is 4 meters, a total of 37 technical solutions. In addition, a phenol water pool 5 is also provided between the indirect cooler 4 and the phenol water vapor separator 11 . Its purpose is that the phenol-containing sewage formed after being condensed by the indirect cooler 4 needs to be purified in the phenol water tank 5 (such as precipitation, degreasing, filtering, etc.) before entering the phenol water vapor separator 11 for treatment.

[0038] The above-mentioned device is used to treat the phenol-containing sewage of the producer gas station. The mixture of the phenol-containing water vapor generated by heating the bituminous coal in t...

Embodiment 3

[0041] The structure of the phenolic sewage treatment device of the producer gas station can still be referred to figure 1 , 2 As shown, but different from Example 2: the phenol water vapor separator 11 is also connected with the two-stage gasifier 2 through the steam mixer 1, and the phenol water from the phenol water vapor separator 11 After the steam is mixed in the steam mixer 1, it enters the hearth of the two-stage gas generator 2 for reuse. In addition, the 1-ML3.6 two-stage gas generator gas station uses a phenol water evaporator with an inner diameter of 1600mm. The evaporator uses a heat exchange tube with a diameter of 159mm and a length of 5 meters. , a total of 37 heat exchange tubes. Practice has proved that it also has good treatment capacity for phenolic sewage.

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Abstract

The invention discloses a process and a device for treating phenol-containing sewage of a producer gas station. The process comprises the following steps of: treating phenol-containing sewage generated by a two-stage type gas producer through a phenol steam separator and then sending the treated sewage into a phenol water evaporator to flow in a shell pass of the phenol water evaporator; meanwhile, sending gas generated by the two-stage type gas producer into the phenol water evaporator to flow in a tube pass of the phenol water evaporator; and evaporating the phenol-containing sewage by utilizing the afterheat of the lower-stage gas and recycling generated phenol steam. The process and the device can control the energy waste and the pollution sources of the gas station from the resource and ensure that the gas station truly achieves the effects of high efficiency, energy saving and zero emission.

Description

technical field [0001] The invention belongs to the technical field of coal gasification industry, and in particular relates to a process and a device for treating phenol-containing sewage in a producer gas station. Background technique [0002] The treatment of phenolic wastewater in producer gas stations has been a long-term difficult technical problem in the field of coal gasification industry. Although there are many methods for treating phenolic water, there is still no satisfactory treatment method. For example, a more effective method is the incinerator incineration method. This method can completely incinerate and crack phenol water into harmless substances-water+CO 2 . Although the treatment of phenolic water is relatively simple and applicable, a large amount of fuel will be consumed. The actual data shows that using the self-produced tar of the gas station or the producer gas for incineration, every 1kg of phenol water burned requires 7.648MJ of heat, that is, ...

Claims

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Application Information

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IPC IPC(8): C02F1/04C02F9/10
Inventor 翟智勇王永刚孙丰收李彬
Owner 山东万丰煤化工设备制造有限公司
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