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Desulfurization system and method suitable for complex iron desulfurizer

A technology of desulfurization system and desulfurizer, applied in the field of coking, can solve problems such as poor quality of sulfur cake, accumulation of buffer tanks, high energy consumption of the system, and achieve the effect of increasing the value of by-products and realizing separation

Pending Publication Date: 2022-03-25
郑州中能开来能源技术有限责任公司
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  • Claims
  • Application Information

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Problems solved by technology

[0015] Aiming at the current HPF coking desulfurization process, after switching to complex iron desulfurizer, there are common technical problems such as desulfurization tower packing blockage, buffer tank accumulation, high energy consumption of the system and poor quality of sulfur cake. This application proposes a suitable complexing iron desulfurizer Iron desulfurizer desulfurization system and method

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  • Desulfurization system and method suitable for complex iron desulfurizer
  • Desulfurization system and method suitable for complex iron desulfurizer
  • Desulfurization system and method suitable for complex iron desulfurizer

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Embodiment 1

[0053] Explanation of terms: Complex iron desulfurizer desulfurization: It is a technology that uses complex iron desulfurizer to complete the removal of hydrogen sulfide in sulfur-containing gas. Become a solid sulfur product.

[0054] Such as Figure 1-Figure 4 As shown, the present application discloses a desulfurization system suitable for complex iron desulfurizers, including a desulfurization tower 1, the desulfurization tower 1 is communicated with a sedimentation separator, and the sedimentation separator is communicated with a low-level regenerator 3, and the low-level regeneration Device 3 is a regenerator liquid phase distributor, and the settling separator communicates with the plate frame through the suspension pump, the plate frame communicates with the low-level regenerator, and the plate frame communicates with the preprocessor. The preprocessor is communicated with the metering commercial tank, the metering commercial tank is communicated with the desulfuriza...

Embodiment 2

[0061] Such as Figure 5 and 6 As shown, the application also discloses a desulfurization method applicable to a complex iron desulfurizer, comprising the following steps:

[0062] S1. The gas containing hydrogen sulfide enters the middle of the desulfurization tower and contacts with the top-down desulfurization lean liquid from the top of the desulfurization tower. After the hydrogen sulfide gas is removed, the gas is discharged from the top of the desulfurization tower and enters other processes;

[0063] S2. The desulfurization-rich liquid after absorbing hydrogen sulfide flows into the sedimentation separator through the liquid seal section at the lower part of the desulfurization tower, and the desulfurization-rich liquid from which sulfur particles are separated by the sedimentation separator flows into the low-level regenerator, and the high-solid liquid separated by the sedimentation separator The specific suspension is pressurized by the suspension pump and sent to ...

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Abstract

The invention discloses a desulfurization system and method suitable for a complex iron desulfurizer, the desulfurization system suitable for the complex iron desulfurizer comprises a desulfurization tower, the desulfurization tower is communicated with a settling separator, the settling separator is communicated with a low-position regenerator, the settling separator is communicated with a plate frame through a suspension pump, the plate frame is communicated with the low-position regenerator, and the low-position regenerator is communicated with the plate frame. The plate frame is communicated with the preprocessor, the preprocessor is communicated with the metering commercial tank, the metering commercial tank is communicated with the desulfurization low-position tank, the desulfurization low-position tank is communicated with the gas condenser, the gas condenser is communicated with the immersion tank, the regenerator is communicated with the buffer tank, and the buffer tank is communicated with the desulfurization tower through a desulfurization liquid pump. The settling separator is arranged in the system, so that tiny solid particles in the desulfurization pregnant solution of the desulfurization tower are ensured to be held, the solid-liquid ratio of the desulfurization pregnant solution is less than 0.5%, the whole tower is never blocked, the separation of the sulfur-containing suspension is effectively realized, and the system is not blocked any more.

Description

technical field [0001] The invention relates to the technical field of coking, in particular to a desulfurization system and method suitable for a complex iron desulfurizer. Background technique [0002] 1. Current status of hydrogen sulfide gas removal technology [0003] Hydrogen sulfide-containing gases mainly include coal chemical gas, coking coke oven gas, petrochemical natural gas, and various refinery gases. Under normal circumstances, the liquid phase removal process is generally adopted. The liquid phase removal process currently adopts the chemical removal method of desulfurization agent under alkaline conditions. According to the difference of desulfurization agent, there are mainly MSQ method, tannin extraction method, titanocobalt method and complex iron method. [0004] The first three types of desulfurizers are widely used in the coal chemical and coking industries due to their low cost of use, but there is also the chronic problem of the accumulation of by-p...

Claims

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Application Information

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IPC IPC(8): B01D53/14C10L3/10C01B17/027
CPCB01D53/1468B01D53/1418B01D53/1425C10L3/103C01B17/027B01D2257/304B01D2252/205
Inventor 范信五贾伟权范曾
Owner 郑州中能开来能源技术有限责任公司
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