Skid-mounted DCS rectification purification device with maintenance support

Abstract

The utility model relates to the technical field of skid-mounted DCS (Distributed Control System) rectification purification devices, in particular to a skid-mounted DCS rectification purification device with a maintenance bracket, which comprises a bottom plate, a first tower ring and a support shaft, and a raw material steel cylinder, a gasifier, a cooler, a low-temperature adsorber, a preheater and a light component removal tower are arranged at the top of the bottom plate. Through arrangement of a second tower ring, a first ladder stand, a third tower ring, a first maintenance platform, a bearing seat, a second maintenance platform, a second fence and a second ladder stand, the skid-mounted DCS rectification purification device is provided with the first ladder stand, the first maintenance platform and the first fence on the premise of ensuring that the skid-mounted DCS rectification purification device occupies a small area; the tower type equipment can be more conveniently and safely overhauled or replaced, meanwhile, a second overhauling platform, a second fence and a second crawling ladder are arranged, bottle type equipment can be more conveniently and safely overhauled or replaced, time and labor are saved, and the working efficiency can be effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of a skid-mounted DCS distillation and purification device, in particular to a skid-mounted DCS distillation and purification device with a maintenance bracket. Background Art

[0002] The distillation and purification unit is a relatively common large-scale equipment. This type of equipment is usually installed on the ground because it is relatively stable. However, this installation method requires a large workload during construction and occupies a very large area. Therefore, more and more companies are now making DCS distillation and purification units into skid-mounted structures.

[0003] Although some existing skid-mounted DCS distillation and purification devices have solved the problem of occupying a large area, the equipment is inconvenient to maintain. It takes time and effort for staff to perform daily maintenance or equipment replacement, and the work efficiency is low. Therefore, in order to solve the above problems, a skid-mounted DCS distillation and purification device with a maintenance bracket is proposed. Utility Model Content

[0004] The utility model aims to provide a skid-mounted DCS distillation purification device with a maintenance bracket to solve the problem that some existing skid-mounted DCS distillation purification devices are inconvenient to maintain and the staff spends time and effort in daily maintenance or replacement of the equipment.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A skid-mounted DCS distillation and purification device with a maintenance bracket comprises a base plate, a first tower ring and a support shaft, wherein a raw material steel cylinder, a vaporizer, a cooler, a low-temperature adsorber, a preheater, a light-removal tower, a light-removal tower condenser, a light-removal tower deep freezer, a light-removal tower reboiler, a first heavy-removal tower, a second heavy-removal tower, a heavy-removal tower condenser, a heavy-removal tower deep freezer, a heavy-removal tower reboiler, a product steel cylinder and a waste liquid steel cylinder are arranged on the top of the base plate, a plurality of first tower rings are fixedly connected to the top of the base plate, a group of support blocks are fixedly connected to the inner side of each group of support blocks, a second tower ring is fixedly connected to the opposite inner side of each group of support blocks, a group of support columns are fixedly connected to the top of the second tower ring, a group of support rods and a group of first ladders are fixedly connected to the opposite outer side of each group of support columns, and each group of support rods is fixedly connected to the outer side of each group of support columns. The bottom of each group of support columns is fixedly connected to the first tower circle, the top of each group of support columns is fixedly connected to the third tower circle, the outer side of the third tower circle is fixedly connected to a group of first maintenance platforms, the top of each group of the first maintenance platforms is fixedly connected to a group of first fences, the top of the bottom plate is fixedly connected to multiple groups of support shafts, the lower half of each group of support shafts is fixedly connected to a group of reinforcement shafts, the bottom of the reinforcement shafts is fixedly connected to the bottom plate, the top of each group of support shafts is fixedly connected to a group of supporting seats, the outer side of each group of supporting seats is fixedly connected to a group of second maintenance platforms, the top of each group of the second maintenance platforms is fixedly connected to a group of second fences, each group of the second maintenance platforms is fixedly connected to a group of second ladders, and the bottom of the second ladders is fixedly connected to the bottom plate.

[0007] Preferably, there are three low-temperature adsorbers, which are connected in series with each other, the light-removing tower consists of an upper tower and a lower tower, the top of the lower tower of the light-removing tower is fixedly connected to the upper tower, a gas outlet is provided at the top of the upper tower of the light-removing tower, a liquid outlet is provided at the bottom of the lower tower of the light-removing tower, a feed inlet is provided on the side of the light-removing tower, and the first weight-removing tower and the second weight-removing tower are connected in series with each other.

[0008] Preferably, the support blocks and support columns are each group of six, the support rods and the first ladder are each group of three, the support rods and the first ladder are cross-distributed, the support rods are obliquely distributed, the first ladders are vertically distributed, the first maintenance platform and the first fence are each group of three, and the top heights of the third tower ring and the first maintenance platform are consistent.

[0009] Preferably, the inner diameter and thickness of the second tower ring and the third tower ring are consistent, the third tower ring is located above the second tower ring, and the inner sides of the second tower ring and the third tower ring are respectively provided with a vaporizer, a cooler, a low-temperature adsorber, a preheater, a light-removal tower, a light-removal tower condenser, a light-removal tower deep freezer, a light-removal tower reboiler, a first weight-removal tower, a second weight-removal tower, a weight-removal tower condenser, a weight-removal tower deep freezer, and a weight-removal tower reboiler.

[0010] Preferably, each group of the support shafts has four, and each group of the reinforcement shafts, the supporting seat, the second maintenance platform, the second fence and the second ladder has two. The top heights of the second maintenance platform, the supporting seat and the second ladder are consistent, and the inner side of each group of the supporting seats is respectively provided with raw material cylinders, product cylinders and waste liquid cylinders.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] In the utility model, by providing a second tower ring, a first ladder, a third tower ring, a first maintenance platform, a supporting seat, a second maintenance platform, a second fence and a second ladder, the device is provided with the first ladder, the first maintenance platform and the first fence on the premise of ensuring that the skid-mounted DCS distillation and purification device occupies a small area, so that the tower-type equipment can be repaired or replaced more conveniently and safely. At the same time, the second maintenance platform, the second fence and the second ladder are provided, so that the bottle-type equipment can be repaired or replaced more conveniently and safely, which saves time and effort and can effectively improve work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the tower support structure of the utility model;

[0015] Figure 3 This is a schematic diagram of the bottle bracket structure of the utility model.

[0016] In the figure: 1. Raw material cylinder; 2. Vaporizer; 3. Cooler; 4. Low-temperature adsorber; 5. Preheater; 6. Light-removal tower; 7. Light-removal tower condenser; 8. Light-removal tower deep freezer; 9. Light-removal tower reboiler; 10. First de-weighting tower; 11. Second de-weighting tower; 12. De-weighting tower condenser; 13. De-weighting tower deep freezer; 14. De-weighting tower reboiler; 15. Product cylinder; 16. Waste liquid cylinder; 17. Bottom plate; 18. First tower circle; 19. Support block; 20. Second tower circle; 21. Support column; 22. Support rod; 23. First ladder; 24. Third tower circle; 25. First maintenance platform; 26. First fence; 27. Support shaft; 28. Reinforcement shaft; 29. ​​Support seat; 30. Second maintenance platform; 31. Second fence; 32. Second ladder. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] In the description of the present utility model, it needs to be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the scope of protection of the present utility model; the directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0019] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. If not otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of the utility model.

[0020] See also Figure 1-3 , the utility model provides a technical solution:

[0021] A skid-mounted DCS distillation and purification device with a maintenance bracket comprises a bottom plate 17, a first tower ring 18 and a support shaft 27. The top of the bottom plate 17 is provided with a raw material cylinder 1, a vaporizer 2, a cooler 3, a low-temperature adsorber 4, a preheater 5, a light-removal tower 6, a light-removal tower condenser 7, a light-removal tower cryogenic freezer 8, a light-removal tower reboiler 9, a first de-weight removal tower 10, a second de-weight removal tower 11, a de-weight removal tower condenser 12, a de-weight removal tower cryogenic freezer 13, a de-weight removal tower reboiler 14, a product cylinder 15 and a waste liquid cylinder 16. The top of the bottom plate 17 is fixedly connected with a plurality of first tower rings 18, the inner side of each first tower ring 18 is fixedly connected with a group of support blocks 19, the opposite inner side of each group of support blocks 19 is fixedly connected with a second tower ring 20, the top of the second tower ring 20 is fixedly connected with a group of support columns 21, the opposite outer side of each group of support columns 21 is fixedly connected with a group of support rods 22 and a group of first ladders 2 3. The bottom of each group of support rods 22 is fixedly connected to the first tower ring 18, the top of each group of support columns 21 is fixedly connected to the third tower ring 24, the outer side of the third tower ring 24 is fixedly connected to a group of first maintenance platforms 25, the top of each group of first maintenance platforms 25 is fixedly connected to a group of first fences 26, the top of the bottom plate 17 is fixedly connected to multiple groups of support shafts 27, the lower half of each group of support shafts 27 is fixedly connected to a group of reinforcement shafts 28, the bottom of the reinforcement shafts 28 is fixedly connected to the bottom plate 17, the top of each group of support shafts 27 is fixedly connected to a group of supporting seats 29, the outer side of each group of supporting seats 29 is fixedly connected to a group of second maintenance platforms 30, the top of each group of second maintenance platforms 30 is fixedly connected to a group of second fences 31, each group of second maintenance platforms 30 is fixedly connected to a group of second ladders 32, and the bottom of the second ladders 32 is fixedly connected to the bottom plate 17.

[0022] There are three low-temperature adsorbers 4, which are connected in series with each other. The de-weighting tower 6 is composed of an upper tower and a lower tower. The top of the lower tower of the de-weighting tower 6 is fixedly connected to the upper tower. The top of the upper tower of the de-weighting tower 6 is provided with an air outlet, the bottom of the lower tower of the de-weighting tower 6 is provided with a liquid outlet, and the side of the de-weighting tower 6 is provided with a feed inlet. The first de-weighting tower 10 and the second de-weighting tower 11 are connected in series with each other, which can make the separation effect better; there are six support blocks 19 and support columns 21 in each group, and there are three support rods 22 and the first ladder 23 in each group. The support rods 22 and the first ladder 23 are cross-distributed, the support rods 22 are inclined, and the first ladder 23 are vertically distributed. There are three first maintenance platforms 25 and first fences 26 in each group. The top height of the third tower circle 24 and the first maintenance platform 25 is consistent, and the tower type can be more conveniently inspected through the first maintenance platform 25; the inner diameter of the second tower circle 20 and the third tower circle 24 The third tower ring 24 is located above the second tower ring 20, and the inner sides of the second tower ring 20 and the third tower ring 24 are respectively provided with a vaporizer 2, a cooler 3, a low-temperature adsorber 4, a preheater 5, a light-removing tower 6, a light-removing tower condenser 7, a light-removing tower deep cooler 8, a light-removing tower reboiler 9, a first deweighting tower 10, a second deweighting tower 11, a deweighting tower condenser 12, a deweighting tower deep cooler 13, and a deweighting tower reboiler 14, so that the tower type can be designed The equipment is stably fixed on the base plate 17; each group of support shafts 27 has four, and each group of reinforcement shafts 28, supporting seats 29, second maintenance platform 30, second fence 31 and second ladder 32 has two; the top heights of the second maintenance platform 30, supporting seats 29 and second ladder 32 are consistent, and the inner side of each group of supporting seats 29 is respectively provided with raw material cylinders 1, product cylinders 15 and waste liquid cylinders 16, so that the bottle-type equipment can be stably fixed on the base plate 17.

[0023] Workflow: The device is composed of a raw material cylinder 1, a vaporizer 2, a cooler 3, a low-temperature adsorber 4, a preheater 5, a light-removal tower 6, a light-removal tower condenser 7, a light-removal tower cryogenic freezer 8, a light-removal tower reboiler 9, a first de-weighting tower 10, a second de-weighting tower 11, a de-weighting tower condenser 12, a de-weighting tower cryogenic freezer 13, a de-weighting tower reboiler 14, a product cylinder 15 and a waste liquid cylinder 16 to form a skid-mounted DCS distillation and purification device, which is an existing technology; the device is composed of a first tower circle 18, a support block 19, a second tower circle 20, a support column 21, a support rod 22, a first ladder 23, a third tower circle 24, a first maintenance platform 25 and a waste liquid cylinder 16. The liquid steel cylinder 16 constitutes a tower support. The device forms a bottle support through a support shaft 27, a reinforcement shaft 28, a support seat 29, a second maintenance platform 30, a second fence 31 and a second ladder 32. The vaporizer 2, the cooler 3, the low-temperature adsorber 4, the preheater 5, the light-removal tower 6, the light-removal tower condenser 7, the light-removal tower deep freezer 8, the light-removal tower reboiler 9, the first deweighting tower 10, the second deweighting tower 11, the deweighting tower condenser 12, the deweighting tower deep freezer 13, and the deweighting tower reboiler 14 of the device are all fixed to the designated position of the bottom plate 17 through the tower support. The raw material steel cylinder 1, the product steel cylinder 15, and the waste liquid steel cylinder 16 of the device are all fixed to the designated position of the bottom plate 17 through the bottle support. The device improves the connection strength between the tower support and the base plate 17 through the first tower ring 18 and the second tower ring 20, and forms a triangular structure through the support block 19 and the support rod 22 in conjunction with the support column 21, so that the connection of the tower support is more stable. The tower-type equipment is limited by the second tower ring 20 and the third tower ring 24 to prevent shaking during equipment operation. At the same time, the staff can climb to the first maintenance platform 25 through the first ladder 23 to perform equipment maintenance, and the safety of high-altitude maintenance is improved through the first fence 26; the device improves the connection strength between the bottle support and the base plate 17 through the support shaft 27 and the reinforcement shaft 28, and the bottle-type equipment is maintained through the support seat 29 The limiting function can stably support the equipment, and the staff can climb to the second maintenance platform 30 through the second ladder 32 to perform equipment maintenance, and the second fence 31 can improve the safety of high-altitude maintenance. Under the premise of ensuring that the skid-mounted DCS distillation and purification device has a small footprint, the device is provided with a first ladder 23, a first maintenance platform 25 and a first fence 26, which can more conveniently and safely perform maintenance or replacement of tower-type equipment. At the same time, the second maintenance platform 30, the second fence 31 and the second ladder 32 are provided, which can more conveniently and safely perform maintenance or replacement of bottle-type equipment, which saves time and effort and can effectively improve work efficiency.

[0024] The contents not described in detail in this specification belong to the prior art known to the professional and technical personnel in this field. The standard parts used in this utility model can be purchased from the market, and the special-shaped parts can be customized according to the description and the drawings. The specific connection methods of each part adopt the conventional means such as bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.

[0025] Although the 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 skid-mounted DCS distillation purification device with a maintenance bracket, comprising a bottom plate (17), a first tower ring (18) and a support shaft (27), characterized in that: The top of the bottom plate (17) is provided with a raw material steel cylinder (1), a vaporizer (2), a cooler (3), a low-temperature adsorber (4), a preheater (5), a lightness removal tower (6), a lightness removal tower condenser (7), a lightness removal tower cryogenic freezer (8), a lightness removal tower reboiler (9), a first deweight removal tower (10), a second deweight removal tower (11), a deweight removal tower condenser (12), a deweight removal tower cryogenic freezer (13), a deweight removal tower reboiler (14), a product steel cylinder (15) and a waste liquid steel cylinder (16). The top of the bottom plate (17) is A plurality of first tower rings (18) are fixedly connected to the top of the tower, a group of support blocks (19) are fixedly connected to the inner side of each of the first tower rings (18), a second tower ring (20) is fixedly connected to the inner side of each group of the support blocks (19), a group of support columns (21) are fixedly connected to the top of the second tower ring (20), a group of support rods (22) and a group of first ladders (23) are fixedly connected to the outer side of each group of the support columns (21), and the bottom of each group of the support rods (22) is fixedly connected to the first tower ring ( 18) is fixedly connected, the top of each group of the support columns (21) is fixedly connected to a third tower ring (24), the outer side of the third tower ring (24) is fixedly connected to a group of first maintenance platforms (25), the top of each group of the first maintenance platforms (25) is fixedly connected to a group of first fences (26), the top of the bottom plate (17) is fixedly connected to a plurality of support shafts (27), the lower half of each group of the support shafts (27) is fixedly connected to a group of reinforcement shafts (28), the reinforcement shafts (28 ) is fixedly connected to the bottom of the base plate (17), the top of each group of the support shafts (27) is fixedly connected to a group of supporting seats (29), the outer side of each group of the supporting seats (29) is fixedly connected to a group of second maintenance platforms (30), the top of each group of the second maintenance platforms (30) is fixedly connected to a group of second fences (31), each group of the second maintenance platforms (30) is fixedly connected to a group of second ladders (32), and the bottom of the second ladders (32) is fixedly connected to the base plate (17).

2. A skid-mounted DCS distillation and purification device with a maintenance bracket according to claim 1, characterized in that: There are three low-temperature adsorbers (4), which are connected in series with each other. The light-removal tower (6) consists of an upper tower and a lower tower. The top of the lower tower of the light-removal tower (6) is fixedly connected to the upper tower. The top of the upper tower of the light-removal tower (6) is provided with a gas outlet, the bottom of the lower tower of the light-removal tower (6) is provided with a liquid outlet, and the side of the light-removal tower (6) is provided with a feed inlet. The first weight-removal tower (10) and the second weight-removal tower (11) are connected in series with each other.

3. The skid-mounted DCS distillation and purification device with a maintenance bracket according to claim 1 is characterized in that: Each group of the support blocks (19) and the support columns (21) has six, each group of the support rods (22) and the first ladder (23) has three, the support rods (22) and the first ladder (23) are cross-distributed, the support rods (22) are tilted, the first ladders (23) are vertically distributed, each group of the first maintenance platform (25) and the first fence (26) has three, and the top heights of the third tower ring (24) and the first maintenance platform (25) are consistent.

4. The skid-mounted DCS distillation and purification device with a maintenance bracket according to claim 1 is characterized in that: The inner diameter and thickness of the second tower ring (20) and the third tower ring (24) are consistent. The third tower ring (24) is located above the second tower ring (20). The inner sides of the second tower ring (20) and the third tower ring (24) are respectively provided with a vaporizer (2), a cooler (3), a low-temperature adsorber (4), a preheater (5), a light-removal tower (6), a light-removal tower condenser (7), a light-removal tower cryogenic cooler (8), a light-removal tower reboiler (9), a first heavy-removal tower (10), a second heavy-removal tower (11), a heavy-removal tower condenser (12), a heavy-removal tower cryogenic cooler (13), and a heavy-removal tower reboiler (14).

5. The skid-mounted DCS distillation and purification device with a maintenance bracket according to claim 1 is characterized in that: Each group of the support shafts (27) has four, and each group of the reinforcement shafts (28), the supporting seat (29), the second maintenance platform (30), the second fence (31) and the second ladder (32) has two. The tops of the second maintenance platform (30), the supporting seat (29) and the second ladder (32) are at the same height. A raw material steel cylinder (1), a product steel cylinder (15) and a waste liquid steel cylinder (16) are respectively arranged on the inner side of each group of the supporting seats (29).

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