Pressurizing grid of PSA adsorption tower

Abstract

The utility model relates to the technical field of adsorption towers, in particular to a pressure boosting grid of a PSA (Pressure Swing Adsorption) adsorption tower. Comprising a pressurization grid body, the pressurization grid body is installed in an adsorption tower body, a plurality of grid holes are formed in the surface of the pressurization grid body, a bottom plate for supporting the adsorption tower body is installed at the bottom of the adsorption tower body, an air inlet pipe is installed on the surface of the lower end of the adsorption tower body, and an air outlet pipe is connected to the top of the adsorption tower body; the bottom of the pressurizing grid body is provided with a pressurizing assembly for assisting in lifting starting of the pressurizing grid body, and the side wall of the pressurizing grid body is provided with an attaching assembly for assisting in improving the pressurizing effect in the adsorption tower body. According to the utility model, through the pressurizing assembly arranged at the bottom end of the pressurizing grid body, the pressurizing grid body can be conveniently assisted to be lifted and started, and through the attaching assembly arranged on the side wall of the pressurizing grid body, the pressurizing effect of the pressurizing grid body is effectively improved, and the flowability of gas in the adsorption tower body is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of adsorption towers, in particular to a pressure-boosting grid for a PSA adsorption tower. Background Art

[0002] The PSA adsorption tower is the core component of the PSA pressure swing adsorption tower, which is used to achieve gas separation. It is mainly made of materials such as stainless steel and has high strength and corrosion resistance. The adsorption tower is usually equipped with adsorbents such as activated carbon and molecular sieves. The working principle of the PSA adsorption tower is to use the adsorption effect of the adsorbent to adsorb the target components in the mixed gas on the surface of the adsorbent, thereby achieving the effect of gas separation;

[0003] Currently, when the gas enters the adsorption tower, it usually enters from the bottom of the PSA adsorption tower, uses the free flow of gas for floating adsorption, and is discharged through the top of the PSA adsorption tower. However, the air inside the adsorption tower is relatively still, and the free flow of gas will slow down, which can easily affect the overall adsorption efficiency of the gas. In view of this, we propose a PSA adsorption tower booster grid. Utility Model Content

[0004] The purpose of the utility model is to solve the above-mentioned shortcomings and provide a PSA adsorption tower booster grid which can assist in lifting the booster grid body and pressurize the interior of the adsorption tower body by means of a booster component arranged at the bottom end of the booster grid body and a fitting component installed on its side wall.

[0005] By means of the boosting assembly arranged at the bottom end of the boosting grid body and the fitting assembly installed on its side wall, the boosting grid body can be assisted in lifting and the interior of the adsorption tower body can be pressurized. At the same time, by means of the sealing ring plate arranged at the lower end of the inner cavity of the adsorption tower body and the anti-corrosion coating laid on the surface of the boosting grid body, the service life of the boosting grid body can be prolonged.

[0006] Therefore, the utility model provides a PSA adsorption tower booster grid, which includes a booster grid body, wherein the booster grid body is installed inside the adsorption tower body, a plurality of grid holes are opened on the surface of the booster grid body, a bottom plate for supporting the adsorption tower body is installed at the bottom, an air inlet pipe is installed on the lower end surface of the adsorption tower body, an air outlet pipe is connected to the top of the adsorption tower body, a booster component for assisting its lifting and starting is installed at the bottom of the booster grid body, and a fitting component for assisting in improving the pressurization effect inside the adsorption tower body is installed on the side wall of the booster grid body.

[0007] As a further improvement of the present technical solution, the boosting assembly includes a cylinder member installed at the bottom of the inner cavity of the adsorption tower body, the cylinder member is movably connected to a piston rod inside, a connecting plate is fixedly installed at one end of the piston rod away from the cylinder member, and the other side of the connecting plate is connected to the bottom of the boosting grid body.

[0008] As a further improvement of the present technical solution, the fitting component includes an installation groove opened on the side wall of the booster grid body, a connecting ring is installed inside the installation groove, an extension page plate is fixedly connected to the outer wall of the connecting ring, the end of the extension page plate is fitted with the inner wall of the adsorption tower body, and the extension page plate is made of elastic material.

[0009] As a further improvement of the technical solution, a sealing ring plate is sealed at the lower end of the inner cavity of the adsorption tower body, and the sealing ring plate is located between the booster grid body and the cylinder member, and the inner wall of the sealing ring plate is sealed to the surface of the piston rod.

[0010] As a further improvement of the technical solution, the outer walls of the booster grille body, the extension leaf plate and the piston rod are all covered with anti-corrosion coating.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] In the PSA adsorption tower booster grid, the internal pressure of the adsorption tower body can be boosted by setting a booster grid body at the lower end of the inner cavity of the adsorption tower body. By using a plurality of fine grid holes opened on the surface of the booster grid body, the situation of excessive lifting and boosting is reduced without affecting the boosting effect of the booster grid body. By using the booster component set at the bottom end of the booster grid body, it is easier to assist the booster grid body in lifting and starting. By using the fitting component set on the side wall of the booster grid body, the boosting effect of the booster grid body is effectively improved, and the fluidity of the gas inside the adsorption tower body is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The present invention is described in more detail below by way of example with reference to the accompanying drawings, in which:

[0014] Figure 1 This is a schematic diagram of the internal structure of the adsorption tower body of the utility model;

[0015] Figure 2 This is a schematic diagram of the installation structure of the booster grille body of the utility model;

[0016] Figure 3 This is a schematic diagram of the booster grid body starting structure of the utility model;

[0017] Figure 4 This is a schematic diagram of the installation structure of the booster assembly of the utility model;

[0018] Figure 5 It is a schematic diagram of the structure of the bonding component of the utility model.

[0019] The meaning of each number in the figure is:

[0020] 1. Booster grid body; 10. Grid hole; 11. Adsorption tower body; 12. Bottom plate; 13. Air inlet pipe; 14. Air outlet pipe;

[0021] 2. Booster assembly; 21. Cylinder; 22. Piston rod; 23. Connecting plate;

[0022] 3. Laminating assembly; 31. Extension page plate; 32. Connecting ring; 33. Mounting groove;

[0023] 4. Sealing ring plate. DETAILED DESCRIPTION

[0024] Currently, when gas enters the adsorption tower, it usually enters from the bottom of the PSA adsorption tower, uses the free flow of gas to perform floating adsorption, and is discharged through the top of the PSA adsorption tower. However, the air inside the adsorption tower is relatively still, and the free flow of gas will slow down, which can easily affect the overall adsorption efficiency of the gas.

[0025] See also Figure 1-Figure 5 As shown, the device includes a booster grid body 1, which is installed inside an adsorption tower body 11. A plurality of grid holes 10 are provided on the surface of the booster grid body 1. A bottom plate 12 for supporting the adsorption tower body 11 is installed at the bottom. An air inlet pipe 13 is installed on the lower end surface of the adsorption tower body 11. An air outlet pipe 14 is connected to the top of the adsorption tower body 11. A booster component 2 for assisting its lifting and starting is installed at the bottom of the booster grid body 1. A fitting component 3 for assisting in improving the pressurization effect inside the adsorption tower body 11 is installed on the side wall of the booster grid body 1.

[0026] First, the specific structure of the booster assembly 2 is disclosed. The booster assembly 2 includes a cylinder member 21 installed at the bottom of the inner cavity of the adsorption tower body 11. The cylinder member 21 is movably connected to a piston rod 22. A connecting plate 23 is fixedly installed at one end of the piston rod 22 away from the cylinder member 21. The other side of the connecting plate 23 is connected to the bottom of the booster grid body 1. The cylinder member 21 installed at the bottom of the inner cavity of the adsorption tower body 11 can drive the piston rod 22 movably connected to the cylinder member 21 to move vertically inside the adsorption tower body 11, thereby driving the connecting plate 23 connected to the other side of the piston rod 22 to slide, so that the booster grid body 1 connected to the top of the connecting plate 23 can be lifted, the interior of the adsorption tower body 11 is squeezed and pressurized, and the flow of gas inside the adsorption tower body 11 is assisted.

[0027] Secondly, the specific structure of the fitting component 3 is disclosed. The fitting component 3 includes a mounting groove 33 provided on the side wall of the boost grid body 1. A connecting ring 32 is installed inside the mounting groove 33. An extension page 31 is fixedly connected to the outer wall of the connecting ring 32. The end of the extension page 31 fits with the inner wall of the adsorption tower body 11. The extension page 31 is made of elastic material. By utilizing the mounting groove 33 provided on the side wall of the boost grid body 1, the connecting ring 32 can drive the extension page 31 to be installed on the outer wall of the boost grid body 1. By utilizing the outer wall of the extension page 31 to fit with the inner wall of the adsorption tower body 11, and the extension page 31 is made of elastic material, when the boost grid body 1 is lifted and pressurized, the gap between the boost grid body 1 and the adsorption tower body 11 can be filled, further improving the pressurization effect of the gas inside the adsorption tower body 11.

[0028] The improvement of this embodiment is that: first, by setting the booster grid body 1 at the lower end of the inner cavity of the adsorption tower body 11, the internal pressure of the adsorption tower body 11 can be boosted, and by using a plurality of fine grid holes 10 provided on the surface of the booster grid body 1, the situation of excessive lifting and boosting is reduced without affecting the boosting effect of the booster grid body 1, and by using the cylinder part 21 installed at the bottom of the inner cavity of the adsorption tower body 11, the piston rod 22 movably connected to the cylinder part 21 can be driven to move vertically inside the adsorption tower body 11, thereby driving the connecting plate 23 connected to the other side of the piston rod 22 to slide, so that the booster grid body 1 connected to the top of the connecting plate 23 can be lifted, the interior of the adsorption tower body 11 is squeezed and pressurized, and the flow of gas inside the adsorption tower body 11 is assisted;

[0029] By utilizing the mounting groove 33 provided on the side wall of the booster grid body 1, the connecting ring 32 can drive the extension page plate 31 to be installed on the outer wall of the booster grid body 1. The outer wall of the extension page plate 31 is fitted with the inner wall of the adsorption tower body 11, and the extension page plate 31 is made of elastic material. When the booster grid body 1 is lifted and pressurized, the gap between the booster grid body 1 and the adsorption tower body 11 can be filled, thereby further enhancing the pressurization effect of the gas inside the adsorption tower body 11.

[0030] Considering the protection of the cylinder 21, in order to protect the cylinder 21 and reduce the erosion of the cylinder 21 by the adsorption gas of the adsorption tower body 11, Figure 3-Figure 4 As shown, a sealing ring plate 4 is sealed at the lower end of the inner cavity of the adsorption tower body 11 . The sealing ring plate 4 is located between the booster grid body 1 and the cylinder member 21 . The inner wall of the sealing ring plate 4 is sealed and fitted with the surface of the piston rod 22 .

[0031] The improvement lies in that a sealing ring plate 4 is arranged at the lower end of the inner cavity of the adsorption tower body 11, and the inner wall of the sealing ring plate 4 is fitted with the surface of the piston rod 22, so that the cylinder part 21 can be sealed and installed at the bottom of the inner cavity of the adsorption tower body 11, reducing the contact between the cylinder part 21 and the internal gas of the adsorption tower body 11, thereby improving the protection of the cylinder part 21.

[0032] Since the booster grid body 1 and the extension page plate 31 installed outside thereof need to move inside the adsorption tower body 11, in order to increase the service life of the booster grid body 1 and the extension page plate 31, Figure 1-Figure 5 As shown, the outer walls of the booster grille body 1, the extension leaf plate 31 and the piston rod 22 are all paved with anti-corrosion paint.

[0033] The improvement lies in that the anti-corrosion coating laid on the outer walls of the booster grid body 1, the extension page plate 31 and the piston rod 22 can effectively reduce the erosion of the booster grid body 1, the extension page plate 31 and the piston rod 22 by gas, thereby improving the service life of the booster grid body 1, the extension page plate 31 and the piston rod 22, wherein the anti-corrosion coating can be a polyurethane coating.

[0034] In summary, the working principle of the present scheme is as follows: first, by setting the booster grid body 1 at the lower end of the inner cavity of the adsorption tower body 11, the internal pressure of the adsorption tower body 11 can be boosted, and by using a plurality of fine grid holes 10 provided on the surface of the booster grid body 1, the situation of excessive lifting and boosting is reduced without affecting the boosting effect of the booster grid body 1, and by using the cylinder part 21 installed at the bottom of the inner cavity of the adsorption tower body 11, the piston rod 22 movably connected to the cylinder part 21 can be driven to move vertically inside the adsorption tower body 11, thereby driving the connecting plate 23 connected to the other side of the piston rod 22 to slide, so that the booster grid body 1 connected to the top of the connecting plate 23 can be lifted, the interior of the adsorption tower body 11 is squeezed and pressurized, and the flow of gas inside the adsorption tower body 11 is assisted;

[0035] By using the mounting groove 33 provided on the side wall of the boost grid body 1, the connecting ring 32 can drive the extension page plate 31 to be installed on the outer wall of the boost grid body 1, and the outer wall of the extension page plate 31 is fitted with the inner wall of the adsorption tower body 11, and the extension page plate 31 is made of elastic material. When the boost grid body 1 is lifted and pressurized, the gap between the boost grid body 1 and the adsorption tower body 11 can be filled, further improving the pressurization effect of the gas inside the adsorption tower body 11. By setting the sealing ring plate 4 at the lower end of the inner cavity of the adsorption tower body 11, and the sealing ring plate The inner wall of 4 fits with the surface of the piston rod 22, so that the cylinder part 21 can be sealed and installed at the bottom of the inner cavity of the adsorption tower body 11, reducing the contact between the cylinder part 21 and the internal gas of the adsorption tower body 11, thereby improving the protection of the cylinder part 21, and using the anti-corrosion coating laid on the outer walls of the booster grid body 1, the extension page plate 31 and the piston rod 22, the booster grid body 1, the extension page plate 31 and the piston rod 22 can be effectively reduced. The corrosion of the gas on the extension page plate 31 and the piston rod 22 can improve the service life of the booster grid body 1, the extension page plate 31 and the piston rod 22.

[0036] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A PSA adsorption tower booster grid, comprising a booster grid body (1), characterized in that: The boost grid body (1) is installed inside the adsorption tower body (11); a plurality of grid holes (10) are opened on the surface of the boost grid body (1); a bottom plate (12) for supporting the adsorption tower body (11) is installed at the bottom; an air inlet pipe (13) is installed on the lower end surface of the adsorption tower body (11); an air outlet pipe (14) is connected to the top of the adsorption tower body (11); a boost component (2) for assisting the lifting and starting of the boost grid body (1) is installed at the bottom; and a fitting component (3) for assisting in improving the internal pressurization effect of the adsorption tower body (11) is installed on the side wall of the boost grid body (1).

2. The PSA adsorption tower booster grid according to claim 1, characterized in that: The boosting assembly (2) comprises a cylinder member (21) mounted at the bottom of the inner cavity of the adsorption tower body (11); a piston rod (22) is movably connected inside the cylinder member (21); a connecting plate (23) is fixedly mounted on one end of the piston rod (22) away from the cylinder member (21); and the other side of the connecting plate (23) is connected to the bottom of the boosting grid body (1).

3. The PSA adsorption tower booster grid according to claim 2, characterized in that: The fitting component (3) comprises a mounting groove (33) provided on the side wall of the boost grid body (1), a connecting ring (32) being installed inside the mounting groove (33), an extension page plate (31) being fixedly connected to the outer wall of the connecting ring (32), an end of the extension page plate (31) being fitted with the inner wall of the adsorption tower body (11), and the extension page plate (31) being made of elastic material.

4. The PSA adsorption tower booster grid according to claim 2, characterized in that: A sealing ring plate (4) is installed in a sealing manner at the lower end of the inner cavity of the adsorption tower body (11); the sealing ring plate (4) is located between the booster grid body (1) and the cylinder member (21); and the inner wall of the sealing ring plate (4) is in sealing contact with the surface of the piston rod (22).

5. The PSA adsorption tower booster grid according to claim 3, characterized in that: The outer walls of the booster grid body (1), the extension leaf plate (31) and the piston rod (22) are all paved with anti-corrosion paint.

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