Carbon dioxide rectification and purification device with high sealing performance
By setting a T-groove on the connecting flange of the carbon dioxide purification unit and using a pressure regulating sealing ring, the leakage problem caused by poor sealing was solved, achieving efficient sealing and low-maintenance unit operation, and improving safety and efficiency.
Patent Information
- Application Number
- CN202423041167.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Priority Date
- 2024-11-15
- Filing Date
- 2024-12-10
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2034-12-10
AI Technical Summary
Existing carbon dioxide purification equipment commonly suffers from leakage problems due to poor sealing, which affects purification efficiency, poses safety hazards, and increases costs due to frequent maintenance.
The sealing surface of the connecting flange is provided with a T-groove, and a pressure regulating sealing ring is used for connection, including an intermediate ring and a pressure regulating ring, in conjunction with an elastic locking ring, to ensure that the sealing effect is automatically adjusted under different pressure conditions.
It improves sealing performance, reduces leakage risk, lowers maintenance costs, enhances production safety and equipment operating efficiency, and has good adaptability.
Smart Images
Figure CN223654467U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a gas treatment equipment technical field, especially relate to a carbon dioxide rectification purification device with high sealing performance. BACKGROUND
[0002] Preparation industrial, food or high purity CO2 product, all need to the liquid CO2 raw material of previous procedure further rectification purification, remove the hydrogen, oxygen, nitrogen, methane etc.
[0003] The carbon dioxide purification device on the market at present adopts single column or multi-column rectification technology, and cooperates with condenser and reboiler to realize the purification of carbon dioxide. However, these devices are common in the problem of leakage caused by poor sealing in the long-term operation, which not only affects the purification efficiency, but also may bring safety hazards.
[0004] The traditional method is to use standard flange connection between the rectification tower and the condenser, reboiler and other components, and adopt ordinary sealing gasket. In order to ensure the sealing performance, regular maintenance and replacement of sealing material are essential, but this increases the maintenance cost. Although regular maintenance can reduce the risk of leakage to a certain extent, standard flange connection and ordinary sealing gasket are difficult to completely avoid the small leakage in the long-term operation. In addition, frequent maintenance also affects the continuous operation efficiency of the device. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a carbon dioxide rectification purification device with high sealing performance, which has the advantages of good sealing effect, low maintenance cost, high operation efficiency, small safety risk and good adaptability.
[0006] The above technical purpose of the utility model is realized by the following technical scheme:
[0007] A carbon dioxide rectification purification device with high sealing performance, comprising a flash kettle, the upper part of the flash kettle is provided with a packing section, the upper part of the packing section is provided with a condenser, characterized in that: the flash kettle, the packing section and the condenser are connected by a sealing mechanism, the sealing mechanism comprises a first connecting flange and a second connecting flange, a T-shaped groove is arranged on the sealing surface of the first connecting flange and the second connecting flange respectively, the T-shaped grooves on the first connecting flange and the second connecting flange are connected with pressure adjusting sealing rings, and sealing is realized through the pressure adjusting sealing rings.
[0008] By adopting the technical scheme, the T-shaped groove is arranged on the sealing surface of the first connecting flange and the second connecting flange, and the pressure adjusting sealing ring is connected and sealed by using pressure, compared with the ordinary sealing ring, the pressure adjusting sealing ring can effectively enhance the sealing between the components, avoid the leakage of carbon dioxide gas, ensure the safety and environmental protection of the production process, reduce the risk of leakage, improve the production safety, and the pressure adjusting sealing ring can be sealed and pressure adjusted, so that the components can always maintain good sealing effect in long-term operation, frequent maintenance and replacement of the sealing element are not needed, the maintenance cost is greatly reduced, and the efficiency of continuous operation of the equipment is improved.
[0009] The utility model discloses further provide that: pressure adjusting sealing ring includes with T-shaped groove narrow section width match's intermediate ring and respectively located intermediate ring upper and lower ends's pressure adjusting ring, pressure adjusting ring is used for with the T-shaped groove in the first connecting flange and second connecting flange on wide section cooperation.
[0010] By adopting the technical scheme, the T-shaped groove is arranged on the sealing surface of the first connecting flange and the second connecting flange, and the pressure adjusting sealing ring is connected and sealed by using pressure, compared with the ordinary sealing ring, the pressure adjusting sealing ring can effectively enhance the sealing between the components, avoid the leakage of carbon dioxide gas, ensure the safety and environmental protection of the production process, reduce the risk of leakage, improve the production safety, and the pressure adjusting sealing ring can be sealed and pressure adjusted, so that the components can always maintain good sealing effect in long-term operation, frequent maintenance and replacement of the sealing element are not needed, the maintenance cost is greatly reduced, and the efficiency of continuous operation of the equipment is improved.
[0011] The utility model discloses further provide that: the cross section of pressure adjusting ring is V-shaped, and the V-shaped openings of the pressure adjusting rings at the upper and lower ends of the intermediate ring are opposite.
[0012] The pressure adjusting sealing ring is axially extruded in the T-shaped groove of the first connecting flange and the second connecting flange.
[0013] By adopting the technical scheme, the design of the pressure adjusting sealing ring allows it to automatically adjust the position under different pressure conditions, ensuring that good sealing effect can be maintained in high-pressure and low-pressure environments. The close cooperation between the intermediate ring and the narrow section of the T-shaped groove prevents the sealing ring from being extruded under high pressure. The pressure adjusting ring can move freely in the wide section of the T-shaped groove, which can adapt to the sealing requirements under different pressure changes, and has good adaptability.
[0014] The utility model discloses further provide that: the wide section of the T-shaped groove on the first connecting flange and the second connecting flange is provided with a first annular push plate on the side close to the outer wall of the first connecting flange and the second connecting flange, the annular push plate is in sliding cooperation with the wide section of the T-shaped groove, and the annular push plate is in abutment with the pressure adjusting ring.
[0015] The first annular push plate is provided with a second annular push plate on the side close to the outer wall of the first connecting flange and the second connecting flange, and the second annular push plate penetrates the first connecting flange or the second connecting flange and is in abutment with the elastic locking ring outside the first connecting flange or the second connecting flange.
[0016] The elastic locking ring comprises a first connecting flange and a second connecting flange, and the inner wall of the elastic locking ring is in contact with the second annular push plate.
[0017] By adopting the above technical scheme, the elastic locking ring is arranged outside the first connecting flange and the second connecting flange, and the inner wall of the elastic locking ring is in contact with the second annular push plate, so that the elastic locking ring can always exert external pressure on the second push plate, and the second push plate ring exerts pressure on the first push plate ring, so that the first push plate ring in sliding fit with the wide section of the T-shaped groove is always in contact with the pressure adjusting ring, the pressure adjusting sealing ring can automatically adjust the sealing position under different pressure conditions, the sealing effect is not affected by the change of pressure, the stability and sealing effect of the sealing ring are further enhanced, manual operation is not needed, and the workload of people is greatly reduced.
[0018] The utility model discloses the beneficial effect is:
[0019] 1. The utility model discloses a T-shaped groove is set up on the sealing surface of the first connecting flange and the second connecting flange, and the pressure adjusting sealing ring is connected sealing, compared with the ordinary sealing ring, the pressure adjusting sealing ring can effectively enhance the sealing between each part, avoid the leakage of carbon dioxide gas, ensure the safety and environmental protection of the production process, reduce the risk of leakage, improve the production safety, and the pressure adjusting sealing ring can carry out sealing pressure regulation, ensure that each part can always keep good sealing effect in long -term operation, do not need frequent maintenance and replacement sealing piece, greatly reduce the maintenance cost, improve the efficiency of the continuous operation of equipment.
[0020] 2. The utility model discloses a pressure adjusting sealing ring is tightly attached to the multiple surfaces of the T-shaped groove by the middle ring and the pressure adjusting ring at both ends, thereby forming the effect of multi-surface sealing, therefore effectively improve the sealing effect between the first connecting flange and the second connecting flange, thereby improving the sealing performance of the carbon dioxide rectification and purification device, reducing the risk of leakage, and improving the production safety.
[0021] 3. The utility model discloses a pressure adjusting sealing ring is designed to automatically adjust the position under different pressure conditions, ensuring that good sealing effect can be maintained under high pressure and low pressure environments, the close fit of the middle ring and the narrow section of the T-shaped groove prevents the sealing ring from being extruded under high pressure, and the pressure adjusting ring can move freely in the wide section of the T-shaped groove, which can adapt to the sealing requirements under different pressure changes, and has good adaptability.
[0022] 4. The utility model discloses a first connecting flange and second connecting flanewith elastic locking ring around outside, its inner wall and second annular push plate resist, make elastic locking ring can always exert external pressure to second push plate, pass through second push plate ring to first push plate ring again and exert pressure, make with the first push plate ring of sliding fit of T -shaped groove wide section and pressure regulating ring always keep the effect of resistance, guarantee that pressure regulating sealing ring can under different pressure conditions automatically adjust sealing position, ensure that the sealing effect is not influenced by pressure variation, further enhance the stability and sealing effect of sealing ring, need not manual operation, greatly reduce the work load of people. BRIEF DESCRIPTION OF DRAWINGS
[0023] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the drawings needed to be used in the embodiment description will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creative labor.
[0024] Figure 1 It is the overall structure schematic diagram of the carbon dioxide rectification purification device of the utility model with high sealing property.
[0025] Figure 2 It is the local section structure schematic diagram of the sealing mechanism in the carbon dioxide rectification purification device of the utility model with high sealing property.
[0026] In the drawing, 1, flash kettle;2, packing section;3, condenser;4, sealing mechanism;41, first connecting flange;42, second connecting flange;43, T-shaped groove;44, pressure regulating sealing ring;441, intermediate ring;442, pressure regulating ring;45, first annular push plate;46, second annular push plate;47, elastic locking ring. DETAILED DESCRIPTION
[0027] The technical scheme of the utility model will be described clearly and completely in combination with specific embodiments. Obviously, the described embodiments are only some embodiments of the utility model, not all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.
[0028] As Figure 1 And Figure 2The utility model discloses a carbon dioxide rectification purification device with high sealing performance, which comprises a flash kettle 1, a packing section 2 arranged above the flash kettle 1, a condenser 3 arranged above the packing section 2, and a sealing mechanism 4 connecting the flash kettle 1, the packing section 2 and the condenser 3.
[0029] Further, the pressure adjusting sealing ring 44 comprises a middle ring 441 matched with the width of the narrow section of the T-shaped groove 43 and pressure adjusting rings 442 arranged on the upper and lower ends of the middle ring 441, and the pressure adjusting rings 442 are used to cooperate with the wide section of the T-shaped groove 43 on the first and second connecting flanges 41 and 42.
[0030] Further, the pressure adjusting rings 442 on the upper and lower ends of the middle ring 441 are oppositely V-shaped.
[0031] Further, the pressure adjusting sealing ring 44 is axially extruded in the T-shaped groove 43 on the first and second connecting flanges 41 and 42.
[0032] Further, the wide section of the T-shaped groove 43 on the first and second connecting flanges 41 and 42 is provided with a first annular push plate 45 close to one side of the outer wall of the first and second connecting flanges 41 and 42, the annular push plate is in sliding cooperation with the wide section of the T-shaped groove 43, and the annular push plate is in abutment with the pressure adjusting ring 442.
[0033] Further, the first annular push plate 45 is provided with a second annular push plate 46 close to one side of the outer wall of the first and second connecting flanges 41 and 42, the second annular push plate 46 penetrates the first or second connecting flange 41 or 42 and is in abutment with an elastic locking ring 47 outside the first or second connecting flange 41 or 42.
[0034] Further, the elastic locking ring 47 comprises an inner wall in abutment with the second annular push plate 46.
[0035] The utility model discloses a flash tank 1, a condenser 3 and a sealing mechanism 4 are arranged in sequence, and the flash tank 1 is connected with the condenser 3 through a filler section 2.
Claims
1. A carbon dioxide rectification purification device with high sealing property, comprising a flash kettle (1), an upper portion of the flash kettle (1) is provided with a packing section (2), an upper portion of the packing section (2) is provided with a condenser (3), characterized in that: The flash kettle (1), the filler section (2) and the condenser (3) are connected by a sealing mechanism (4), the sealing mechanism (4) comprises a first connecting flange (41) and a second connecting flange (42), a T-shaped groove (43) is arranged on the sealing surface of the first connecting flange (41) and the second connecting flange (42) respectively, the T-shaped groove (43) on the first connecting flange (41) and the second connecting flange (42) is connected with a pressure adjusting sealing ring (44), and sealing is realized through the pressure adjusting sealing ring (44).
2. The carbon dioxide rectification purification device with high sealing property according to claim 1, characterized in that: The pressure adjusting sealing ring (44) comprises a middle ring (441) matched with the width of the narrow section of the T-shaped groove (43) and a pressure adjusting ring (442) arranged on the upper and lower ends of the middle ring (441) respectively, and the pressure adjusting ring (442) is used for cooperating with the wide section of the T-shaped groove (43) on the first connecting flange (41) and the second connecting flange (42).
3. The carbon dioxide rectification purification device with high sealing property according to claim 2, characterized in that: The cross section of the pressure adjusting ring (442) is V-shaped, and the V-shaped openings of the pressure adjusting rings (442) on the upper and lower ends of the middle ring (441) are opposite.
4. The carbon dioxide rectification purification device with high sealing property according to claim 3, characterized in that: The pressure adjusting sealing ring (44) is axially extruded in the T-shaped groove (43) on the first connecting flange (41) and the second connecting flange (42).
5. The carbon dioxide rectification purification device with high sealing property according to claim 4, characterized in that: The wide section of the T-shaped groove (43) on the first connecting flange (41) and the second connecting flange (42) is provided with a first annular push plate (45) on the side close to the outer wall of the first connecting flange (41) and the second connecting flange (42), the annular push plate is in sliding cooperation with the wide section of the T-shaped groove (43), and the annular push plate is in abutment with the pressure adjusting ring (442).
6. The carbon dioxide rectification purification device with high sealing property according to claim 5, characterized in that: The first annular push plate (45) is provided with a second annular push plate (46) on the side close to the outer wall of the first connecting flange (41) and the second connecting flange (42), the second annular push plate (46) penetrates the first connecting flange (41) or the second connecting flange (42) and is in abutment with an elastic locking ring (47) outside the first connecting flange (41) or the second connecting flange (42).
7. The carbon dioxide rectification purification device with high sealing property according to claim 6, characterized in that: The elastic locking ring (47) comprises a ring around the outside of the first connecting flange (41) and the second connecting flange (42), and the inner wall of the elastic locking ring (47) is in abutment with the second annular push plate (46).