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An outlet pressurized temperature swing adsorption process and device

A temperature swing adsorption and process technology, applied in the petroleum industry, gas fuel, dispersed particle separation, etc., can solve the problems of low efficiency, increase cost, affect the regeneration speed of adsorbent, etc., achieve fast regeneration, reduce pulverization speed and efficiency high effect

Active Publication Date: 2017-02-15
杭州东安科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The solid adsorption method is currently widely used. For example, the disclosed technology named "A device for dehydrating and removing heavy hydrocarbons from oilfield associated gas" (authorized announcement number CN203256242U) uses the solid adsorption method, but the heat-blown regeneration gas of this patented technology After gas-liquid separation, a booster is needed to increase the pressure and then enter the raw gas, but there are still shortcomings such as low efficiency and affecting the regeneration speed of the adsorbent, and after gas-liquid separation, the booster needs to be used to increase the cost

Method used

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  • An outlet pressurized temperature swing adsorption process and device
  • An outlet pressurized temperature swing adsorption process and device
  • An outlet pressurized temperature swing adsorption process and device

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Embodiment 1

[0023] Embodiment 1: a kind of outlet pressurized type temperature swing adsorption process, as attached figure 1 , attached figure 2 As shown, the first step is to switch the circuit and divide the three adsorption towers into two groups. One group is one as the low-pressure main adsorption tower, and the other group is two, which are divided into cold-blown regeneration towers and hot-blown regeneration towers; A heater is installed on the pipeline between the blowing regeneration tower and the hot blowing regeneration tower, and the hot blowing regeneration tower is connected with a cooler and a separator, and the output end of the separator is connected to the inlet pipeline of the low-pressure main adsorption tower;

[0024] In the second step, the raw material gas enters the low-pressure main adsorption tower, and the product gas is output; the product gas is divided into two paths, one is output to the outside, and the other is pressurized by a booster device, and then...

Embodiment 2

[0028] Embodiment 2: A kind of outlet pressurization type temperature swing adsorption device, as attached figure 2 As shown, it includes three adsorption towers T101A, T101B, and T101C; the inlet and outlet of each adsorption tower are connected to three stop valves, for example, the inlet and outlet of adsorption tower T101A are connected to stop valves KS101a~KS106a, and the inlet and outlet of adsorption tower T101B Connect to the stop valve KS101b~KS106b, the inlet and outlet of the adsorption tower T101C are connected to the stop valve KS101c~KS106c; the inlet and outlet of each adsorption tower are directly connected to the outlet or inlet of the three stop valves; the stop valve connected to the outlet of the adsorption tower, one Connect the product gas output circuit, two are connected through the heater K3; the three stop valves at the inlet of the adsorption tower, one is connected to the product gas output circuit pressurized by the booster K4, one is connected to...

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Abstract

The invention relates to an outlet supercharging temperature swing adsorption process and device. The process comprises the following steps: I switching loops and dividing three adsorption towers into two groups, wherein one adsorption tower is in one group and serves as a low-pressure main adsorption tower, and two adsorption towers are in the other group and are respectively a cold blowing regeneration tower and a hot blowing regeneration tower; a heater is arranged on a pipeline between the cold blowing regeneration tower and the hot blowing regeneration tower; a cooler and a separator are connected behind the hot blowing regeneration tower; an inlet pipeline of the low-pressure main adsorption tower is accessed to the output end of the separator; II enabling a feed gas to enter the low-pressure main adsorption tower and outputting a product gas, wherein the product gas is divided into two paths; one path of the product gas is output to the outside and the other path of the product gas is supercharged by a supercharging device, then enters the cold blowing regeneration tower, the heater, the hot blowing regeneration tower, the cooler and the separator in sequence and then enters an access loop of the low-pressure main adsorption tower; the high boiling point liquid separated by the separator is discharged. The three adsorption towers are divided into two groups, wherein one group is used for main adsorption and the other group is used for adsorbent regeneration. The adsorbent regeneration process is high in speed and the efficiency of the whole purification process is higher.

Description

technical field [0001] The invention relates to the field of pressure swing adsorption air separation, in particular to an outlet pressurized temperature swing adsorption process and device. Background technique [0002] There are many natural gas purification methods, and solid adsorption method is one of them. It uses porous solid particles to selectively adsorb highly polar substances in the fluid and attach them to the inner and outer surfaces, so that the fluid mixture can be separated. At present, the commonly used adsorbents in the adsorption method include molecular sieves, silica gel and activated alumina. The solid adsorption method is currently widely used. For example, the disclosed technology named "A device for dehydrating and removing heavy hydrocarbons from oilfield associated gas" (authorized announcement number CN203256242U) uses the solid adsorption method, but the heat-blown regeneration gas of this patented technology After gas-liquid separation, a boos...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D53/047C10L3/10
Inventor 胡鸿频
Owner 杭州东安科技有限公司
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