A graphite-modified polypropylene falling film absorber

By using graphite-modified polypropylene materials and optimizing the structure, the problems of uneven water film and irregular gas flow paths were solved, achieving uniform water film and efficient gas absorption within the absorber.

CN224270737UActive Publication Date: 2026-05-26ANHUI YIKESAI EQUIP TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ANHUI YIKESAI EQUIP TECH CO LTD
Filing Date
2025-07-07
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

The water film in existing falling film absorbers is difficult to adhere to the inner shell of the absorber, resulting in an uneven water film that is prone to leaks, affecting the gas absorption effect. Furthermore, the gas flow path within the absorber is irregular, resulting in low contact efficiency with the water film, and a single water film is not effective for gas treatment.

Method used

Using graphite-modified polypropylene material, the design incorporates a flow guide ring, a flow divider, a guide ring, and a flow guide plate to ensure that the absorbent is evenly dispersed and adheres to the inner wall, forming a uniform water film. The flow guide ring and guide ring are rotated by a rotating shaft to improve the contact effect between the gas and the absorbent.

Benefits of technology

This method achieves uniform distribution of the absorbent on the inner wall of the absorber, improves the contact efficiency between the gas and the absorbent, enhances the gas absorption effect, and improves the overall performance of the absorber.

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Abstract

This utility model belongs to the field of graphite-modified polypropylene treatment, specifically a graphite-modified polypropylene falling film absorber, including a sleeve, a fixed ring fixedly connected to the top of the sleeve, and a collar fixedly connected to the outer wall of the sleeve, with a flow groove opened inside the collar. This utility model provides a graphite-modified polypropylene falling film absorber that, through the obstruction of the inclined surface of the diverting block, disperses the absorbent falling into the guide ring in all directions and flows out from several inlet grooves, thereby making the absorbent entering the sleeve more dispersed. The absorbent flowing out from the inlet grooves flows downward along the arc surface of the outer wall of the guide ring. Through the guidance of the arc surface of the outer wall of the guide ring, the absorbent can better adhere to the inner wall of the sleeve, preventing the absorbent from falling off. At this time, the diverting block is rotated by a motor, which drives the guide ring to rotate. By controlling the rotation of the guide ring, the absorbent flowing on the arc surface of the inner wall of the guide ring is more evenly dispersed, which facilitates the formation of a uniform water film on the inner wall of the sleeve.
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Description

Technical Field

[0001] This utility model belongs to the field of graphite-modified polypropylene processing, specifically a graphite-modified polypropylene falling film absorber. Background Technology

[0002] Traditional graphite falling film absorbers refer to falling film gas absorption devices primarily composed of impermeable graphite. Impermeable graphite refers to graphite products that are impermeable to fluid media such as gases, vapors, and liquids. Graphite materials and graphite-modified polypropylene materials are special non-metallic materials that not only possess excellent physical and mechanical properties and processing performance but also exhibit superior corrosion resistance and high thermal conductivity. Therefore, they are ideal materials for manufacturing chemical corrosion-resistant equipment. The falling film absorber consists of three parts: a gas-liquid distribution section, an absorption and cooling section, and a gas-liquid separator.

[0003] A search revealed a Chinese patent (authorization announcement number CN211635987U) disclosing a graphite-modified polypropylene falling film absorber. This patented technology includes a cooling box with a mixing chamber at the top. A mixing hopper is fixedly connected to the bottom of the mixing chamber, and a mixing fan is located inside the mixing hopper. A motor shaft is fixedly connected to the top of the mixing fan, and a rotary motor is fixedly connected to the top of the motor shaft. A top cover plate is fixedly connected to the outside of the rotary motor. An air inlet and a liquid inlet are fixedly connected to the surface of the top cover plate. A cooling water inlet is fixedly connected to one side of the cooling box, and a circulating cooling plate is fixedly connected to the side of the cooling water inlet. This invention allows for thorough mixing of the gas and absorbent, resulting in a more complete and efficient reaction. It also concentrates the gas-liquid mixture after the reaction, facilitating cooling and improving cooling efficiency. Furthermore, the coolant can be recycled, reducing production costs and promoting energy conservation and environmental protection.

[0004] However, in existing falling film absorbers, the water film is difficult to adhere to the inner shell of the absorber, resulting in an uneven and incomplete water film that is prone to leaks, affecting the absorption effect of the gas. Furthermore, the flow path of the gas within the inner shell of the absorber is irregular, resulting in low efficiency in contact with the water film. In addition, the water film formed within the inner shell of existing absorbers is limited, and a single water film is not effective in treating the gas. Therefore, this utility model provides a graphite-modified polypropylene falling film absorber. Utility Model Content

[0005] To address the shortcomings of existing technologies and solve the problems of uneven and incomplete water film adhesion between the water film and the inner shell of the absorber, which leads to gaps affecting the absorption of gas, irregular gas flow paths within the inner shell and low efficiency in contact with the water film, and limited water film formation within the inner shell of existing absorbers, this invention proposes a graphite-modified polypropylene falling film absorber.

[0006] The technical solution adopted by this utility model to solve its technical problem is as follows: The graphite modified polypropylene falling film absorber of this utility model includes a sleeve, a fixing ring fixedly connected to the top of the sleeve, a collar fixedly connected to the outer wall of the sleeve, a flow groove opened inside the collar, an air inlet pipe fixedly connected to the outer wall of the collar, one end of the air inlet pipe extending into the interior of the flow groove, two air inlets symmetrically opened on the outer wall of the sleeve, the air inlets being located inside the flow groove, a guide ring rotatably connected to the top of the fixing ring, the inner and outer walls of the guide ring being both set as annular arc surfaces, a plurality of liquid inlet grooves equidistantly opened on the outer wall of the guide ring, a flow divider fixedly connected to the inner wall of the guide ring and below the liquid inlet groove, the flow divider being set as a cone, and an outlet being equidistantly opened on the outer wall of the sleeve and below the collar.

[0007] Preferably, a motor is fixedly connected to the bottom of the sleeve, the output end of the motor extends into the inside of the sleeve and is fixedly connected to a rotating shaft, and the top of the rotating shaft is fixedly connected to the diverter block.

[0008] Preferably, a first guide ring is fixedly connected to the outer wall of the rotating shaft, the first guide ring being inclined upward on the side near the sleeve, and a second guide ring is fixedly connected to the inner wall of the sleeve above the air inlet, the second guide ring being inclined downward on the side away from the sleeve.

[0009] Preferably, a support platform is fixedly connected to the inner wall of the sleeve and below the first guide ring. The top of the support platform is set as an annular inclined surface, and a liquid collection groove is opened on the top of the support platform. A retaining ring is fixedly connected to the bottom of the first guide ring, and a plurality of protrusions are fixedly connected at equal intervals to the bottom of the first guide ring. The bottom of the protrusions is set as a symmetrical inclined surface.

[0010] Preferably, a guide plate is fixedly connected to the inner wall of the sleeve and below the support platform. The top of the guide plate is set as an annular inclined surface. A plurality of discharge ports are equidistantly opened inside the guide plate. A guide ring is fixedly connected to the top of the guide plate and the side near the discharge port. A diversion ring is fixedly connected to the bottom of the guide plate and the side near the discharge port.

[0011] Preferably, the outer wall of the rotating shaft is fixedly connected to a fan blade located below the guide ring.

[0012] Preferably, the outer wall of the sleeve is provided with a control panel, the control panel is electrically connected to the motor, and the bottom of the sleeve is fixedly connected with a support foot.

[0013] The beneficial effects of this utility model are as follows:

[0014] 1. The graphite-modified polypropylene falling film absorber of this utility model, through the obstruction of the inclined surface of the diverting block, disperses the absorbent falling into the guide ring in all directions and flows out from several liquid inlet slots, thereby making the absorbent entering the sleeve more dispersed. The absorbent flowing out from the liquid inlet slots flows downward along the arc surface of the outer wall of the guide ring. Guided by the arc surface of the outer wall of the guide ring, the absorbent can better adhere to the inner wall of the sleeve, preventing the absorbent from falling off. At this time, the motor is started, driving the rotating shaft to rotate, causing the diverting block to rotate, and driving the guide ring to rotate. By controlling the rotation of the guide ring, the absorbent flowing on the arc surface of the inner wall of the guide ring is more evenly dispersed, which facilitates the formation of a uniform water film on the inner wall of the sleeve.

[0015] 2. The graphite-modified polypropylene falling film absorber of this utility model, when the gas flows upward, is guided by the inclined surface at the bottom of the first guide ring, causing the gas to flow along the top of the collection tank. When the gas passes through the absorbent in the collection tank, it can react with the absorbent. As the rotating shaft rotates, it drives the first guide ring to rotate, causing the protrusion to rotate. The inclined surface at the bottom of the protrusion pushes the gas flowing in, causing the gas passing through the first guide ring to flow downward, thereby improving the contact effect between the gas and the absorbent in the collection tank.

[0016] 3. The graphite-modified polypropylene falling film absorber of this utility model guides the absorbent falling from the support platform through a guide plate, allowing the absorbent to continue sliding down the inclined surface at the top of the guide plate. When the absorbent passes the guide ring, the guide ring blocks the absorbent, causing part of the absorbent to fall along the corresponding discharge port. The absorbent falling through the discharge port is guided vertically downward by the guide ring, forming a water curtain. Thus, by setting several guide rings in conjunction with the discharge port, several water curtains are formed at the bottom of the guide plate, improving the absorption effect on the upward-flowing gas. Attached Figure Description

[0017] The present invention will be further described below with reference to the accompanying drawings.

[0018] Figure 1 This is a perspective view of the present invention;

[0019] Figure 2 This is a cross-sectional view of the present invention;

[0020] Figure 3This is an exploded view of the flow guide ring and support platform of this utility model used together.

[0021] Figure 4 This is a perspective view of the first guide ring and the protrusion used in conjunction with this utility model;

[0022] Figure 5 This is a top sectional view of the air inlet and flow channel of this utility model in use;

[0023] Figure 6 This is a utility model Figure 2 Enlarged view of point A in the middle;

[0024] Figure 7 This is a utility model Figure 2 Enlarged view of point B in the middle;

[0025] In the picture:

[0026] 1. Sleeve; 11. Fixing ring; 12. Collar ring; 13. Flow groove; 14. Air inlet; 15. Air inlet pipe; 16. Guide ring; 17. Liquid inlet groove; 18. Flow divider; 19. Support leg;

[0027] 2. Motor; 21. Shaft; 22. Fan blade; 23. First guide ring; 24. Second guide ring; 25. Control panel; 26. Liquid outlet

[0028] 3. Support platform; 31. Liquid collection tank; 32. Baffle ring; 33. Protrusion; 34. Guide plate; 35. Discharge port; 36. Guide ring; 37. Drainage ring. Detailed Implementation

[0029] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0030] like Figures 1 to 7As shown, this utility model provides a technical solution: a graphite-modified polypropylene falling film absorber, including a sleeve 1. A fixing ring 11 is fixedly connected to the top of the sleeve 1, and a collar 12 is fixedly connected to the outer wall of the sleeve 1. A flow groove 13 is formed inside the collar 12, and an air inlet pipe 15 is fixedly connected to the outer wall of the collar 12. One end of the air inlet pipe 15 extends into the interior of the flow groove 13. Two air inlets 14 are symmetrically formed on the outer wall of the sleeve 1, and the air inlets 14 are located inside the flow groove 13. The top of the fixing ring 11 is rotatably connected to... The guide ring 16 has an inner and outer wall that are both annular arc surfaces. The outer wall of the guide ring 16 has several liquid inlet grooves 17 that are equidistantly opened. The inner wall of the guide ring 16 and below the liquid inlet grooves 17 is fixedly connected to a flow divider 18, which is conical. The outer wall of the sleeve 1 and below the collar 12 has liquid outlets 26 that are equidistantly opened. The bottom of the sleeve 1 is fixedly connected to a motor 2. The output end of the motor 2 extends into the inside of the sleeve 1 and is fixedly connected to a rotating shaft 21. The top of the rotating shaft 21 is fixedly connected to the flow divider 18.

[0031] Through the above technical solution, gas is introduced into the sleeve 1 through the air inlet pipe 15. The gas discharged from the air inlet pipe 15 enters the flow channel 13 and is transported along the flow channel 13, entering the sleeve 1 from the two air inlets 14 respectively. The absorbent is poured into the interior of the guide ring 16. When the absorbent flows downward along the arc surface of the inner wall of the guide ring 16, it is blocked by the diverter block 18 when it approaches it. At this time, the absorbent is dispersed in all directions along the inclined surface of the diverter block 18 and flows out from several liquid inlet channels 17, thereby allowing the absorbent to enter the sleeve 1. The absorbent in cylinder 1 is more dispersed. The absorbent flowing out from the liquid inlet 17 flows downward along the arc surface of the outer wall of the guide ring 16. Guided by the arc surface of the outer wall of the guide ring 16, the absorbent can better adhere to the inner wall of the sleeve 1, preventing the absorbent from falling off. At this time, the motor 2 is started, driving the rotating shaft 21 to rotate, causing the flow divider 18 to rotate, which in turn drives the guide ring 16 to rotate. By controlling the rotation of the guide ring 16, the absorbent flowing on the arc surface of the inner wall of the guide ring 16 is more evenly dispersed, making it easier to form a uniform water film on the inner wall of the sleeve 1.

[0032] Specifically, a first guide ring 23 is fixedly connected to the outer wall of the rotating shaft 21. The first guide ring 23 is inclined upward on the side closer to the sleeve 1. A second guide ring 24 is fixedly connected to the inner wall of the sleeve 1 above the air inlet 14. The second guide ring 24 is inclined downward on the side away from the sleeve 1. A support platform 3 is fixedly connected to the inner wall of the sleeve 1 below the first guide ring 23. The top of the support platform 3 is set as an annular inclined surface. A liquid collection groove 31 is opened on the top of the support platform 3. A retaining ring 32 is fixedly connected to the bottom of the first guide ring 23. Several protrusions 33 are fixedly connected at equal intervals to the bottom of the first guide ring 23. The bottom of the protrusions 33 is set as symmetrical inclined surfaces.

[0033] Through the above technical solution, when the water film flowing on the inner wall of the sleeve 1 falls onto the support platform 3, it enters the collection tank 31. When the gas flows upward, it is guided by the inclined surface at the bottom of the first guide ring 23, allowing the gas to flow along the top of the collection tank 31. When the gas passes through the absorbent in the collection tank 31, it can react with the absorbent. As the rotating shaft 21 rotates, it drives the first guide ring 23 to rotate, causing the protrusion 33 to rotate. The inclined surface at the bottom of the protrusion 33 pushes the gas flowing in, causing the gas passing through the first guide ring 23 to flow downward, improving the contact effect between the gas and the absorbent in the collection tank 31. When the collection tank 31 is full of absorbent, the absorbent exceeding the position of the support platform 3 slides down along the inclined surface at the top of the support platform 3. The water film that has finished flowing accumulates at the bottom of the sleeve 1. When the gas enters the sleeve 1 from the air inlet 14, it is guided by the second guide ring 24, causing the gas to flow downward first, thereby causing the gas to collide with the absorbent accumulated at the bottom of the sleeve 1, improving the absorption effect of the absorbent on the gas.

[0034] Specifically, a guide plate 34 is fixedly connected to the inner wall of the sleeve 1 and below the support platform 3. The top of the guide plate 34 is set as an annular inclined surface. Several discharge ports 35 are equidistantly opened inside the guide plate 34. A guide ring 36 is fixedly connected to the top of the guide plate 34 and the side near the discharge port 35. A diversion ring 37 is fixedly connected to the bottom of the guide plate 34 and the side near the discharge port 35.

[0035] With the above technical solution, when the absorbent slides down the inclined surface of the support platform 3, the absorbent is guided by the guide plate 34, so that the falling absorbent continues to slide down the inclined surface at the top of the guide plate 34. When the absorbent passes the guide ring 36, the guide ring 36 blocks the absorbent, so that part of the absorbent falls down along the corresponding discharge port 35. The absorbent falling through the discharge port 35 is guided by the guide ring 37 and falls vertically downward to form a water curtain. Thus, by setting several guide rings 36 and cooperating with the discharge port 35, several water curtains are formed at the bottom of the guide plate 34, which improves the absorption effect on the upward flowing gas. The gas that has been absorbed is discharged from the liquid inlet tank 17 into the sleeve 1.

[0036] Specifically, the outer wall of the rotating shaft 21 is fixedly connected to the fan blade 22 below the guide ring 16.

[0037] Through the above technical solution, the rotating shaft 21 drives the fan blade 22 to rotate at the same time. The rotating fan blade 22 forms a downward vortex, causing the downward floating gas to flow downward, thereby extending the contact time between the absorbent and the gas.

[0038] Specifically, the outer wall of the sleeve 1 is provided with a control panel 25, which is electrically connected to the motor 2, and the bottom of the sleeve 1 is fixedly connected with a support leg 19.

[0039] With the above technical solution, the start and stop of motor 2 can be controlled through control panel 25.

[0040] In use, gas is introduced into the sleeve 1 through the air inlet pipe 15. The gas discharged from the air inlet pipe 15 enters the flow channel 13 and is transported along the flow channel 13, entering the sleeve 1 from the two air inlets 14. The absorbent is poured into the interior of the guide ring 16. As the absorbent flows downward along the arc surface of the inner wall of the guide ring 16, it is blocked by the diverter block 18 when it approaches it. At this time, the absorbent is dispersed in all directions along the inclined surface of the diverter block 18 and flows out from several liquid inlet channels 17. This makes the absorbent entering the sleeve 1 more dispersed. The absorbent flowing out from the liquid inlet channel 17 flows downward along the arc surface of the outer wall of the guide ring 16. Guided by the arc surface of the outer wall of the guide ring 16, the absorbent can better... To prevent the absorbent from falling off the inner wall of the sleeve 1, the motor 2 is started, driving the shaft 21 to rotate, which in turn rotates the diverter block 18 and the guide ring 16. By controlling the rotation of the guide ring 16, the absorbent flowing on the arc surface of the inner wall of the guide ring 16 is more evenly dispersed, facilitating the formation of a uniform water film on the inner wall of the sleeve 1. When the water film flowing on the inner wall of the sleeve 1 falls onto the support platform 3, it enters the collection tank 31. When the gas flows upward, it is guided by the inclined surface at the bottom of the first guide ring 23, allowing the gas to flow along the top of the collection tank 31. When the gas passes through the absorbent in the collection tank 31, it reacts with the absorbent. As the shaft 21 rotates, it drives the first guide ring 23 to rotate, causing the protrusion 33 to rotate. The inclined surface at the bottom of the protrusion 33 moves the gas in the flow, causing the gas passing through the first guide ring 23 to flow downwards, improving the contact effect between the gas and the absorbent in the collection tank 31. When the collection tank 31 is full of absorbent, the absorbent exceeding the position of the support platform 3 slides down the inclined surface at the top of the support platform 3. The water film after flowing out accumulates at the bottom of the sleeve 1. When the gas enters the sleeve 1 from the air inlet 14, it is guided by the second guide ring 24, causing the gas to flow downwards first. This causes the gas to collide with the absorbent accumulated at the bottom of the sleeve 1, improving the absorption effect of the absorbent on the gas. When the absorbent slides down the inclined surface of the support platform 3, it is guided by the guide plate 34, causing the falling absorbent to flow along the guide plate 34. The top slope continues to slide down. When the absorbent passes the guide ring 36, the guide ring 36 blocks the absorbent, causing some of the absorbent to fall along the corresponding discharge port 35. The absorbent falling through the discharge port 35 is guided vertically downward by the guide ring 37, forming a water curtain. Thus, through the cooperation of several guide rings 36 and discharge ports 35, several water curtains are formed at the bottom of the guide plate 34, improving the absorption effect on the upward flowing gas. The absorbed gas is discharged from the inlet tank 17 into the sleeve 1. The rotating shaft 21 drives the fan blades 22 to rotate. The rotating fan blades 22 form a downward vortex, causing the downward floating gas to flow downward. Thus, along the contact time between the absorbent and the gas.

[0041] The terms "front," "back," "left," "right," "top," and "bottom" all refer to the figures in the accompanying drawings. Figure 1 Based on the perspective of the observer, the side of the device facing the observer is defined as the front, the left side of the observer is defined as the left, and so on.

[0042] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting the scope of protection of this utility model.

[0043] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A graphite-modified polypropylene falling film absorber, characterized by, The sleeve (1) includes a fixed ring (11) fixedly connected to the top of the sleeve (1), a collar (12) fixedly connected to the outer wall of the sleeve (1), a flow groove (13) is provided inside the collar (12), an air inlet pipe (15) is fixedly connected to the outer wall of the collar (12), one end of the air inlet pipe (15) extends into the interior of the flow groove (13), and two air inlets (14) are symmetrically opened on the outer wall of the sleeve (1), the air inlets (14) being located in the flow groove (13). Inside the fixed ring (11), a guide ring (16) is rotatably connected to the top of the fixed ring (11). The inner and outer walls of the guide ring (16) are both set as annular arc surfaces. A number of liquid inlet grooves (17) are equidistantly opened on the outer wall of the guide ring (16). A diverter block (18) is fixedly connected to the inner wall of the guide ring (16) and below the liquid inlet grooves (17). The diverter block (18) is set as a cone. An outlet (26) is equidistantly opened on the outer wall of the sleeve (1) and below the sleeve ring (12).

2. The graphite modified polypropylene falling film absorber according to claim 1, characterized in that, The bottom of the sleeve (1) is fixedly connected to a motor (2), the output end of the motor (2) extends into the inside of the sleeve (1) and is fixedly connected to a rotating shaft (21), the top of the rotating shaft (21) is fixedly connected to a diverter block (18).

3. The graphite modified polypropylene falling film absorber according to claim 2, characterized in that, The outer wall of the rotating shaft (21) is fixedly connected to a first guide ring (23), which is inclined upward on the side close to the sleeve (1). The inner wall of the sleeve (1) and above the air inlet (14) is fixedly connected to a second guide ring (24), which is inclined downward on the side away from the sleeve (1).

4. A graphite-modified polypropylene falling film absorber according to claim 3, characterized in that, A support platform (3) is fixedly connected to the inner wall of the sleeve (1) and below the first guide ring (23). The top of the support platform (3) is set as an annular inclined surface. A liquid collection groove (31) is opened on the top of the support platform (3). A retaining ring (32) is fixedly connected to the bottom of the first guide ring (23). Several protrusions (33) are fixedly connected at equal intervals to the bottom of the first guide ring (23). The bottom of the protrusions (33) is set as a symmetrical inclined surface.

5. A graphite-modified polypropylene falling film absorber according to claim 4, characterized in that, A guide plate (34) is fixedly connected to the inner wall of the sleeve (1) and below the support platform (3). The top of the guide plate (34) is set as an annular inclined surface. Several discharge ports (35) are equidistantly opened inside the guide plate (34). A guide ring (36) is fixedly connected to the top of the guide plate (34) and the side near the discharge port (35). A diversion ring (37) is fixedly connected to the bottom of the guide plate (34) and the side near the discharge port (35).

6. A graphite-modified polypropylene falling film absorber according to claim 2, characterized in that, The outer wall of the rotating shaft (21) is fixedly connected to a fan blade (22) located below the guide ring (16).

7. A graphite-modified polypropylene falling film absorber according to claim 2, characterized in that, The outer wall of the sleeve (1) is provided with a control panel (25), which is electrically connected to the motor (2). The bottom of the sleeve (1) is fixedly connected with a support foot (19).