A gas dehumidification system

Abstract

The present invention discloses a novel gas dehumidification system, which relates to the technical field of gas dehumidification. The novel gas dehumidification system includes an air supply system, an oil removal system, an inorganic membrane device and a sewage regulating tank aeration system, and the process includes the following steps: S1, an air supply system, which generates pressurized wind through an air source; S2, an oil removal system, which is provided with an oil removal facility to remove oil from the air supply system; S3, an inorganic membrane device, which uses an inorganic membrane to perform gas dehumidification treatment; S4, an aeration system for a sewage regulating tank, which fully mixes waste gas and wastewater in the sewage regulating tank through the aeration system for the sewage regulating tank; S5, the mixed sewage enters the sewage treatment system for treatment and discharge. The novel gas dehumidification system can remove the water content in the gas to be treated to the maximum extent, improve the gas utilization rate, has high efficiency, low energy consumption, low cost, and advanced technology, and solves the problems of large material and energy loss, large land occupation of dehumidification equipment, high investment, complicated supporting equipment, and expensive operating costs.

Description

Technical Field

[0001] The invention relates to the technical field of gas dehumidification, in particular to a gas dehumidification system. Background Art

[0002] Traditional gas dehumidification is mainly carried out by physical absorption, chemical absorption reaction, freeze drying and other methods. There is a large amount of material and energy loss in this process, which is extremely uneconomical and environmentally unfriendly.

[0003] Because inorganic membranes are made of special materials and complex processing methods, they have a special pore structure, a large specific surface area and strong hydrophilic properties, which makes inorganic membranes more advantageous in the dehumidification process. The large number of pores in the inorganic membrane solves the problems of incomplete dehumidification and low flux of traditional membranes. With the use of inorganic membranes, it can not only reduce the loss of materials and energy in the gas dehumidification process, but also solve the problems of treatment and emission of pollutants contained in humid gas and the disadvantages of large footprint of dehumidification equipment, high investment, cumbersome supporting equipment and expensive operating costs.

[0004] To this end, we provide a gas dehumidification system in combination with inorganic membrane materials. Summary of the invention

[0005] In view of the shortcomings of the prior art, such as large material and energy losses, the treatment and emission of pollutants in humid gas, the large footprint of dehumidification equipment, high investment, complicated supporting equipment and expensive operating costs, the present invention provides a gas dehumidification system that solves the problem of providing an easy-to-use, simple equipment process, long-term use function and effective dehumidification of the gas.

[0006] To achieve the above object, the present invention provides the following technical solution: a gas dehumidification system, comprising an air supply system, an oil removal system, an inorganic membrane device and an aeration system for a sewage regulating tank, characterized in that: the air outlet of the air supply system is connected to the inlet of the oil removal system;

[0007] The inorganic membrane equipment is respectively provided with an air inlet, an air outlet, an air intake and an air exhaust port;

[0008] The outlet of the oil removal system is connected to the air inlet of the inorganic membrane device;

[0009] The inorganic membrane device has an inorganic membrane component built in, and the air outlet of the inorganic membrane device is connected to the air inlet of the aeration system of the sewage regulating tank;

[0010] The waste gas from the sewage regulating tank aeration system is fully mixed with the wastewater in the sewage regulating tank, and the mixed sewage enters the sewage treatment system for treatment and discharge. The gas to be treated enters from the air inlet of the inorganic membrane device, passes through the inorganic membrane device, and is discharged from the exhaust port of the inorganic membrane device.

[0011] Preferably, the air inlet and the air outlet of the inorganic membrane device are respectively arranged on both sides of the inorganic membrane device, and the gas to be treated enters along the gap perpendicular to the direction of the inorganic membrane assembly;

[0012] The air inlet and the air outlet of the inorganic membrane device are respectively arranged above and below the inorganic membrane device, and the air source entering the air inlet enters from the upper air inlet of the inorganic membrane component.

[0013] Preferably, the air source of the air supply system is pressurized air, and the pressure at the air outlet of the air supply system is 500Pa-70.0KPa.

[0014] Preferably, the outlet air of the oil removal system does not contain oil and has a pressure of 500Pa-70.0Kpa.

[0015] Preferably, the nano-inorganic membrane with a pore size of 1nm-1000nm is built into the inorganic membrane device, and multiple levels of nano-inorganic membranes are distributed in sequence along the inlet direction of the gas to be treated to form an inorganic membrane assembly;

[0016] The inorganic membrane material of the inorganic membrane assembly may be an inorganic non-metallic membrane or an inorganic metal membrane;

[0017] The inorganic membrane of the inorganic membrane assembly may be in the form of a plate membrane, a tubular membrane or a rolled membrane.

[0018] Preferably, the casing of the inorganic membrane equipment is covered with a heat-insulating material.

[0019] Preferably, the pressure of the gas to be treated entering the air inlet of the inorganic membrane device is 500Pa-350KPa, and the dehumidified gas is discharged from the exhaust port of the inorganic membrane device after passing through the inorganic membrane device in a cross-flow manner.

[0020] Preferably, the gas dehumidification process is applicable to waste gas treatment, oil removal from oil-containing gas, gas dehumidification, gas purification and zero-emission treatment of industrial gases.

[0021] Preferably, a dehumidification process of a gas dehumidification system comprises the following steps:

[0022] S1, air supply system, generates pressurized air through air source;

[0023] S2. Oil removal system: oil removal facilities are installed to remove oil from the air supply system;

[0024] S3, inorganic membrane equipment, using inorganic membrane components to perform gas dehumidification treatment;

[0025] S4, sewage regulating tank aeration system, through which the waste gas and wastewater in the sewage regulating tank are fully mixed;

[0026] S5. The mixed sewage enters the sewage treatment system for treatment and discharge.

[0027] The present invention provides a gas dehumidification system, which has the following beneficial effects:

[0028] The present invention absorbs moisture in the gas to be treated through an inorganic membrane assembly and discharges it into the aeration system of the sewage regulating tank. The gas to be treated contacts the multi-stage inorganic membrane in a cross-flow manner, and achieves a high gas dehumidification effect through the excellent hydrophilic and oleophobic properties of the inorganic membrane.

[0029] At the same time, due to the unique materials and processing methods of the inorganic membrane, it can achieve long-term use functions in the subsequent use process, reducing the waste of materials and resources in the traditional dehumidification process;

[0030] The gas dehumidification system is simple in equipment, and couples the inorganic membrane equipment and the sewage regulating tank aeration system. Not only is the process simple and the investment low, but the inorganic membrane is in high contact with the gas to be treated, and the adsorption reaction occurs directly in the pores of the inorganic membrane material, and the reaction efficiency is higher, which fully realizes the absorption and utilization of water, and significantly and efficiently improves the dehumidification efficiency of the gas to be treated. The dehumidification efficiency can reach more than 80%. At the same time, it solves the problems of large footprint, high investment, complicated supporting equipment, and expensive operating costs of dehumidification equipment during the treatment and use of pollutants contained in humid gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a schematic diagram of the equipment flow of the present invention;

[0032] Figure 2 It is a process flow chart of the present invention.

[0033] In the figure: 1. Air supply system; 2. Oil removal system; 3. Inorganic membrane equipment; 31. Inorganic membrane assembly; 4. Sewage regulating tank aeration system. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] like Figure 1-2As shown, the present invention provides a technical solution: a gas dehumidification system, including an air supply system 1, an oil removal system 2, an inorganic membrane device 3 and a sewage regulating tank aeration system 4, the air supply system 1 is composed of a fan, and a pressurized wind is generated through an air source, the oil removal system 2 is composed of an oil removal filter, and the oil is removed from the air supply system 1, and the sewage regulating tank aeration system 4 is a submerged aeration system, which introduces the humid gas in the inorganic membrane device 3, and is discharged after being treated by sewage treatment and meets the discharge standards;

[0036] The air outlet of the air supply system 1 is connected to the inlet of the oil removal system 2 to remove the oil generated in the air supply system 1;

[0037] The inorganic membrane device 3 is respectively provided with an air inlet, an air outlet, an air intake and an exhaust port;

[0038] The outlet of the oil removal system 2 is connected to the air inlet of the inorganic membrane device 3 to replenish air and increase the flow rate in the air outlet channel of the inorganic membrane assembly 31;

[0039] The inorganic membrane device 3 has an inorganic membrane assembly 31 built in. The air outlet of the inorganic membrane device 3 is connected to the air inlet of the aeration system 4 of the sewage regulating tank, and the water vapor that has penetrated is fully mixed with the sewage in the sewage regulating tank by submerged aeration.

[0040] The humid gas aerated by the sewage regulating tank aeration system 4 fully dissolves in the sewage in the sewage regulating tank and then enters the sewage treatment and discharge. The gas to be treated enters from the air inlet of the inorganic membrane equipment 3, passes through the inorganic membrane equipment 3, and is discharged from the exhaust port of the inorganic membrane equipment 3.

[0041] As a technical optimization solution of the present invention, the air inlet and the air outlet of the inorganic membrane device 3 are respectively arranged on both sides of the inorganic membrane device 3, and the gas to be treated enters along the gap in the direction perpendicular to the inorganic membrane assembly 31;

[0042] The air inlet and the air outlet of the inorganic membrane device 3 are respectively arranged above and below the inorganic membrane device 3 , and the air source entering the air inlet enters along the upper air inlet of the arranged inorganic membrane assembly 31 .

[0043] As a technical optimization solution of the present invention, the air source of the air supply system 1 is air, and the output air is pressurized, and the pressure at the air outlet of the air supply system 1 is 500Pa-70.0KPa.

[0044] As a technical optimization solution of the present invention, the outlet air of the oil removal system 2 does not contain oil and has a pressure of 500Pa-70.0KPa.

[0045] As a technical optimization solution of the present invention, a nano inorganic membrane with a pore size of 1nm-1000nm is selected and built into the inorganic membrane device 3, and multiple levels of nano inorganic membranes are distributed in sequence along the inlet direction of the gas to be treated to form an inorganic membrane assembly 31;

[0046] The inorganic membrane material of the inorganic membrane assembly 31 may be an inorganic non-metallic membrane such as a ceramic membrane or an inorganic metal membrane such as a titanium alloy metal ultrafiltration membrane;

[0047] The inorganic membrane of the inorganic membrane assembly 31 may be in the form of a plate membrane, a tubular membrane or a roll membrane;

[0048] The membrane characteristics may be anti-oxidation, corrosion resistance, high strength, and good shock resistance, but are not limited thereto.

[0049] As a technical optimization solution of the present invention, the outer shell of the inorganic membrane device 3 is covered with a heat-insulating material.

[0050] As a technical optimization solution of the present invention, the pressure of the gas to be treated entering the air inlet of the inorganic membrane device 3 is 500Pa-350KPa, and the dehumidified gas is discharged from the exhaust port of the inorganic membrane device 3 after passing through the inorganic membrane device 3 in a cross-flow manner.

[0051] As a technical optimization scheme of the present invention, through the air supply system 1, the oil removal system 2, the inorganic membrane equipment 3, and the sewage equalization tank aeration system 4, the humid gas is aerated through the sewage equalization tank aeration system 4 and is fully mixed with the sewage in the sewage equalization tank to enter the sewage treatment and discharge, but it is not limited to this.

[0052] As a technical optimization scheme of the present invention, the gas dehumidification process is applicable to waste gas treatment, oil removal from oil-containing gas, gas dehumidification, gas purification and zero-emission treatment of industrial gases.

[0053] As a technical optimization solution of the present invention, a novel gas dehumidification process comprises the following steps:

[0054] S1, air supply system 1, generates pressurized air through an air source;

[0055] S2, oil removal system 2, is provided with oil removal facilities to remove oil from the air supply system 1;

[0056] S3, inorganic membrane equipment 3, using inorganic membrane assembly 31 to perform gas dehumidification treatment;

[0057] S4, sewage regulating tank aeration system 4, the waste gas and the wastewater in the sewage regulating tank are fully mixed through the sewage regulating tank aeration system 4;

[0058] S5. The mixed sewage enters the sewage treatment system for treatment and discharge.

[0059] This new gas dehumidification process can remove the water content in the gas to the maximum extent and improve the gas utilization rate. It has the characteristics of high efficiency, low energy consumption, low cost and advanced technology. The dehumidification effect can reach more than 80%.

[0060] Working principle: When using the gas dehumidification system for dehumidification, an air inlet for the gas to be treated is set on the inorganic membrane equipment 3. When in use, the gas to be treated is sent into the air inlet of the inorganic membrane equipment 3, and the air supply system 1 is opened, and the oil removal system 2 and the sewage equalization tank aeration system 4 are opened at the same time, and the air volume of the air supply system 1 is adjusted, so that the moisture in the gas to be treated is fully adsorbed by the nano inorganic membrane and discharged from the exhaust port of the inorganic membrane equipment 3, and the exhaust gas in the inorganic membrane equipment 3 is sent into the sewage equalization tank aeration system 4 along the air outlet. This process is the working process of this gas dehumidification system.

[0061] In summary, the present invention provides a dehumidification system which is easy to use, has simple equipment and process, can realize long-term use function, and can effectively dehumidify the gas by setting up an air supply system 1, an oil removal system 2, an inorganic membrane device 3 and a sewage equalization tank aeration system 4. The dehumidification system is used to solve the problems of processing pollutants contained in humid gas and the large footprint, high investment, complicated supporting equipment and expensive operating costs of the dehumidification equipment.

[0062] It should be noted that, in this article, terms such as "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0063] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A dehumidification process for a gas dehumidification system, characterized in that: The following steps are involved: S1, air supply system (1), generating pressurized air through an air source; S2, an oil removal system (2), provided with an oil removal facility to remove oil from the air supply system (1); S3, an inorganic membrane device (3), using an inorganic membrane component (31) to perform gas dehumidification treatment; S4, a sewage regulating tank aeration system (4), the waste gas and the wastewater in the sewage regulating tank are fully mixed through the sewage regulating tank aeration system (4); S5. The mixed sewage enters the sewage treatment system for treatment and discharge; The dehumidification system comprises an air supply system (1), an oil removal system (2), an inorganic membrane device (3) and a sewage regulating tank aeration system (4), wherein the air outlet of the air supply system (1) is connected to the inlet of the oil removal system (2); The inorganic membrane device (3) is respectively provided with an air inlet, an air outlet, an air intake and an air exhaust port; The outlet of the oil removal system (2) is connected to the air inlet of the inorganic membrane device (3); The inorganic membrane device (3) has an inorganic membrane assembly (31) built in, and the air outlet of the inorganic membrane device (3) is connected to the air inlet of the sewage regulating tank aeration system (4); The waste gas from the sewage regulating tank aeration system (4) is fully mixed with the wastewater in the sewage regulating tank, and the mixed sewage enters the sewage treatment system for treatment and discharge, and the gas to be treated enters from the air inlet of the inorganic membrane device (3), passes through the inorganic membrane device (3), and is discharged from the exhaust port of the inorganic membrane device (3); The air inlet and the air outlet of the inorganic membrane device (3) are respectively arranged on two sides of the inorganic membrane device (3), and the gas to be treated enters along the gap in a direction perpendicular to the inorganic membrane assembly (31); The air inlet and the air outlet of the inorganic membrane device (3) are respectively arranged above and below the inorganic membrane device (3), and the air source entering the air inlet enters from the upper air inlet of the inorganic membrane assembly (31); the air source of the air supply system (1) is pressurized air, and the pressure of the air outlet of the air supply system (1) is 500Pa-70.0KPa; The outlet air of the oil removal system (2) does not contain oil and has a pressure of 500Pa-70.0KPa; The pressure of the gas to be treated entering the air inlet of the inorganic membrane device (3) is 500Pa-350KPa, and the dehumidified gas is discharged from the exhaust port of the inorganic membrane device (3) after passing through the inorganic membrane device (3) in a cross-flow manner.

2. The dehumidification process of a gas dehumidification system according to claim 1, characterized in that: A nanometer inorganic membrane with a pore size of 1 nm to 1000 nm is selected and built into the inorganic membrane device (3), and multiple levels of nanometer inorganic membranes are distributed in sequence along the direction of entry of the gas to be treated to form an inorganic membrane assembly (31); The inorganic membrane material of the inorganic membrane component (31) is an inorganic non-metallic membrane or an inorganic metal membrane; The inorganic membrane of the inorganic membrane assembly (31) is in the form of a plate membrane, a tubular membrane or a roll membrane.

3. The dehumidification process of a gas dehumidification system according to claim 1, characterized in that: The outer shell of the inorganic membrane device (3) is covered with a heat-insulating material.

4. The dehumidification process of a gas dehumidification system according to claim 1, characterized in that: The gas dehumidification process is applicable to waste gas treatment, oil-containing gas deoiling, gas dehumidification, gas purification and zero-emission treatment of industrial gases.

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