CN216677643U - High-efficiency pressure swing adsorption gas separation device - Google Patents

Abstract

The utility model discloses a high-efficiency pressure swing adsorption gas separation device, which comprises a tower body, an inner cylinder is arranged in the tower body, a tower body head and an inner cylinder head are respectively arranged on the tower body and the inner cylinder, and the tower body and the inner cylinder are respectively provided with a tower body head and an inner cylinder head. The air outlet pipe and the air inlet pipe are respectively provided, and the inner and outer parts of the inner cylinder are provided with a filter and adsorption assembly. The filter and adsorption assembly includes a filter layer and a molecular sieve. The pressing structure and the supporting structure are shaped, and the outer side wall of the inner cylinder and the inner side wall of the tower body are provided with air guiding structures. Improve the efficiency and quality of gas separation.

Description

High-efficiency pressure swing adsorption gas separation device

technical field

The utility model relates to the field of gas treatment, in particular to a high-efficiency pressure swing adsorption gas separation device.

Background technique

Exhaust gas purification is mainly for the treatment of industrial waste gas generated in industrial places, such as dust particles, smoke and dust, odorous gases, toxic gases, etc. The hydrogen sulfide, carbon dioxide and ammonia in the exhaust gas are all toxic and flammable gases. If not treated, it will not only produce serious pollution but also cause explosion.

In the published document CN200710133458-adsorption tower, although it is also the adsorption of gas, the whole process of gas outflow is relatively slow, and the processing efficiency is relatively low, and the gas directly flows out after passing through the molecular sieve, and the fine particles carried in the gas are May be brought out, affecting the next process.

Utility model content

In order to solve the above problems, the utility model discloses a high-efficiency pressure swing adsorption gas separation device, which improves the efficiency and quality of gas separation.

The technical scheme of the utility model is as follows: a high-efficiency pressure swing adsorption gas separation device comprises a tower body, an inner cylinder is arranged in the tower body, the tower body and the inner cylinder are respectively provided with a tower body head and an inner cylinder head, and the tower body and the inner cylinder are respectively provided with a tower body head and an inner cylinder head. The cylinder is respectively provided with an air outlet pipe and an air intake pipe, and a filter adsorption assembly is arranged inside and outside the inner cylinder. The filter adsorption assembly includes a filter layer and a molecular sieve, and an external filter layer is arranged between the outer side wall of the inner cylinder and the inner side wall of the tower body. The molecular sieve is shaped by the pressing structure and the supporting structure, and the outer side wall of the inner cylinder and the inner side wall of the tower body are provided with air guiding structures.

Further, the filter layer includes a first filter layer and a second filter layer located in the inner cylinder.

Further, a molecular sieve is arranged between the first filter layer and the second filter layer, and the first filter layer includes a primary filter layer, an intermediate filter layer and a high-level filter layer in order from top to bottom, and the filtering fineness increases sequentially.

Further, the pressing structure includes a fixed column and a spring, the top of the fixed column is located on the inner side wall of the inner cylinder head, one end of the spring is located at the end of the fixed column, and the other end is located on the upper surface of the first filter layer.

Further, the support structure includes an annular plate and an L-shaped plate, the top of the L-shaped plate abuts on the bottom of the second filter layer through the annular plate, and the bottom of the L-shaped plate is located at the bottom of the inner cylinder.

Further, guide through holes are provided on the inner cylinder side wall below the second filter layer, the air guide structure includes a fan, the blowing direction of the fan is toward the direction of the air outlet pipe, and the outer filter layer is located below the fan.

Further, the fan is fixedly connected to the outer side wall of the inner cylinder and the inner side wall of the tower body respectively through the fixed plate, and the fan is driven by the power supply on the right outside of the tower body.

Further, the air outlet pipe is located between the tower body and the inner cylinder head, one end of the air inlet pipe is located in the inner cylinder, and the other end is located outside the tower body.

Advantages of the present utility model: 1. The utility model can effectively speed up the flow rate of the gas, accelerate the separation and adsorption of the gas, and improve the separation efficiency of the gas by the device through the fan arranged between the inner cylinder and the tower body.

2. The utility model can further adsorb the lighter and smaller gas in the gas by setting the filter layer on the outside, and prevent the fine particles in the gas from going up to the gas outlet pipe to damage the device in the next process.

3. The supporting and pressing structure of the present utility model can shape the molecular sieve, the supporting structure at the bottom of the molecular sieve can support the molecular sieve and prevent the molecular sieve from falling down, and the pressing structure above the molecular sieve can suppress the molecular sieve. The effect is to prevent the molecular sieve from running around under the impact of the airflow.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the structural representation of the electric motor of the present utility model;

Fig. 3 is the structural representation of the annular plate of the utility model;

Fig. 4 is the structural representation of the first filter layer of the present invention;

Among them: 1, tower body, 11, tower body head, 12, air outlet pipe, 2, inner cylinder, 21, inner cylinder head, 22, guide through hole, 23, air intake pipe, 3, fixed column, 31, spring , 4, the first filter layer, 41, the primary filter layer, 42, the intermediate filter layer, 43, the advanced filter layer, 5, the molecular sieve, 6, the second filter layer, 7, the annular plate, 71, the L-shaped plate, 8, External filter layer, 9, fan, 91, fixed plate.

Detailed ways

In order to deepen the understanding of the present utility model, the specific embodiments of the present utility model are described in detail below with reference to the accompanying drawings. The embodiments are only used to explain the present utility model and do not constitute a limitation on the protection scope of the present utility model.

As shown in Figure 1, the high-efficiency pressure swing adsorption gas separation device includes a tower body 1, an inner cylinder 2 is arranged in the tower body 1, and a tower body head 11 and an inner cylinder head are respectively provided on the tower body 1 and the inner cylinder 2 21, the tower body 1 and the inner cylinder 2 are respectively provided with an air outlet pipe 12 and an air inlet pipe 23, the air outlet pipe 12 is located between the tower body 1 and the inner cylinder head 21, and one end of the air inlet pipe 23 is located in the inner cylinder 2, The other end is located outside the tower body 1, and the inner and outer parts of the inner cylinder 2 are provided with filter adsorption components. The filter adsorption components include a filter layer and a molecular sieve 5. The molecular sieve 5 is a 4A molecular sieve, which is capable of being toxic and flammable to hydrogen sulfide, carbon dioxide and ammonia. The gas is absorbed to prevent it from being released to the external polluted environment or even causing an explosion. The molecular sieve 5 is shaped by the pressing structure and the supporting structure. The outer side wall of the inner cylinder 2 and the inner side wall of the tower body are provided with an air guide structure, which can guide the gas. It acts to guide the gas upward from the air outlet duct 12 .

The filter layer includes the first filter layer 4 and the second filter layer 6 located in the inner cylinder 2 and the outer filter layer 8 located between the outer side wall of the inner cylinder 2 and the inner side wall of the tower body 1. The filter layer can filter the gas. It can filter out the particulate impurities in the gas, and prevent it from being released into the next process and destroying the valve body in the pipeline.

A molecular sieve 5 is arranged between the first filter layer 4 and the second filter layer 6, and the filter aperture of the second filter layer 6 is smaller than the diameter of the molecular sieve 5. The first filter layer 4 includes a primary filter layer 41, an intermediate filter layer from top to bottom in order The layer 42 and the advanced filter layer 43, the filtering fineness becomes larger in turn, and the impurities in the gas can be separated more effectively and finely.

The pressing structure includes a fixed column 3 and a spring 31, the top of the fixed column 3 is located on the inner side wall of the inner cylinder head 21, one end of the spring 31 is located at the end of the fixed column 3, and the other end is located on the upper surface of the first filter layer 4, and the inner cylinder head is located. 21 When the inner cylinder 2 is sealed, the fixing column 3 and the spring 31 just press the first filter layer 4, so as to press and fix the molecular sieve 5.

The support structure includes an annular plate 7 and an L-shaped plate 71. The top of the L-shaped plate 71 abuts on the bottom of the second filter layer 6 through the annular plate 7. The bottom of the L-shaped plate 71 is located at the bottom of the inner cylinder 2. The annular plate 7 and the second filter The layer 6 can support and shape the molecular sieve 5 .

A guide through hole 22 is provided on the side wall of the inner cylinder 2 below the second filter layer 6. The air guide structure includes a fan 9. The blowing direction of the fan 9 is directed towards the direction of the air outlet pipe 12. The outer filter layer 8 is located below the fan 9. The wind generated by the fan 9 through the outer filter layer 8 is blown to the position of the air outlet pipe 12, and the fan 9 can speed up the flow rate of the gas and accelerate the adsorption and separation of the gas.

The fan 9 is respectively fixedly connected with the outer side wall of the inner cylinder 2 and the inner side wall of the tower body 1 through the fixing plate 91, the fan 9 is driven through the power supply on the right outside of the tower body 1, and the power supply connected to the fan 9 is any one that enables the fan 9 to start. form without destroying the structure of the device itself.

Working principle: the gas enters the inner cylinder 2 from the intake pipe 23, passes through the first filter layer 4, and filters out impurities in the gas, the gas enters the molecular sieve 5, and the molecular sieve 5 passes through the first filter layer 4 and is squeezed by the spring 31 , the second filter layer 6 is supported by the annular plate 7 and the L-shaped plate 71, the molecular sieve 5 adsorbs the toxic and explosive gas in the gas, the gas is further filtered through the second filter layer 6, and the fan 9 generates When the gas goes upward, it passes through the last outer filter layer 8, and the smaller and lighter impurities in the gas can be finally filtered.

Claims (8)

1. High-efficient pressure swing adsorption gas separation device, including the body of the tower, be equipped with the inner tube in the body of the tower, be equipped with body of the tower head and inner tube head on body of the tower and the inner tube respectively, be equipped with outlet duct and intake pipe on body of the tower and the inner tube respectively, the inside and outside filtration adsorption component that is equipped with of inner tube, its characterized in that: be equipped with outside filter layer between inner tube lateral wall and the body of the tower inside wall, it includes filter layer and molecular sieve to filter the adsorption component, the molecular sieve is stereotyped through suppression structure and bearing structure, be equipped with wind-guiding structure on inner tube lateral wall and the body of the tower inside wall.

2. The high efficiency pressure swing adsorption gas separation device of claim 1, wherein: the filter layer comprises a first filter layer and a second filter layer which are positioned in the inner barrel.

3. The high efficiency pressure swing adsorption gas separation device of claim 2, wherein: be equipped with the molecular sieve between first filter layer and the second filter layer, first filter layer down includes elementary filter layer, middle level filter layer and senior filter layer from last in proper order, filters the fineness grow in proper order.

4. The high efficiency pressure swing adsorption gas separation device of claim 1, wherein: the pressing structure comprises a fixed column and a spring, the top of the fixed column is located on the inner side wall of the inner cylinder end socket, one end of the spring is located at the tail end of the fixed column, and the other end of the spring is located on the upper surface of the first filter layer.

5. The high efficiency pressure swing adsorption gas separation device of claim 1, wherein: the supporting structure comprises an annular plate and an L-shaped plate, the top of the L-shaped plate is abutted to the bottom of the second filtering layer through the annular plate, and the bottom of the L-shaped plate is located at the bottom of the inner barrel.

6. The high efficiency pressure swing adsorption gas separation device of claim 2, wherein: the air guide structure comprises a fan, the blowing direction of the fan faces the direction of the air outlet pipe, and the external filter layer is located below the fan.

7. The high efficiency pressure swing adsorption gas separation device of claim 6, wherein: the fan passes through fixed plate and inner tube lateral wall and body of the tower inside wall fixed connection respectively, the fan passes the power of body of the tower right side outside and drives.

8. The high efficiency pressure swing adsorption gas separation device of claim 1, wherein: the air outlet pipe is positioned between the tower body and the end socket of the inner cylinder, one end of the air inlet pipe is positioned in the inner cylinder, and the other end of the air inlet pipe is positioned outside the tower body.

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