Float valve tray and methanol rectification equipment
By designing notches and through-hole structures on the middle and side plates of the floating valve tray, the problem of gas not being able to pass through at the connection between adjacent plates was solved, achieving uniform bubbling and improving the separation effect and product quality of the methanol distillation equipment.
Patent Information
- Application Number
- CN202421130078.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-22
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2034-05-22
AI Technical Summary
Existing floating valve trays cannot have valve holes at the connection between adjacent trays, which prevents gas from passing through, resulting in uneven bubbling, reduced mass transfer efficiency, and increased mist entrainment.
The design incorporates notch structures in the middle and side plates, and through the combination of connecting seats and through holes, forms continuous valve holes to ensure that gas can pass through the connection points, eliminating bubbling blind spots and achieving uniform bubbling.
It improves the mass transfer efficiency of the floating valve tray, enhances the processing capacity, and improves the separation effect and product quality of the methanol distillation equipment.
Smart Images
Figure CN222305829U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of distillation equipment, in particular to a floating valve tower plate and methanol distillation equipment. Background Art
[0002] In order to obtain high-purity and high-quality methanol products, methanol distillation has become an important processing step in the methanol production process. In methanol distillation equipment, the float valve tray is an important component. The float valve tray is a tray with many valve holes, each of which is equipped with a float valve. The gas pushes the float valve upward through the valve hole and ejects horizontally. When passing through the liquid layer, the gas and liquid phases are in a foam state for heat and mass transfer. Since the opening of the float valve can change with the gas velocity, the float valve can be automatically closed under the action of gravity at low gas velocity, reducing leakage. When the gas load changes within a large range, the float valve can keep the gas gap speed almost unchanged, thereby obtaining similar gas-liquid contact conditions and separation efficiency. Therefore, it has the advantages of high efficiency and high elasticity, and has a simple structure, low cost and high processing capacity.
[0003] In practice, in order to facilitate production and assembly, the floating valve tower plate is usually composed of multiple plates fixed by bolts. However, at the connection between two adjacent plates, since it is impossible to open valve holes and install floating valves, the gas will not pass through the connection between the adjacent plates, resulting in the inability to bubble at the connection. This causes the floating valves on the floating valve tower plate to be unevenly distributed, and bubbling blind spots are prone to occur, which reduces the mass transfer effect and increases the entrainment of mist and foam. Utility Model Content
[0004] In view of the defects in the prior art, the purpose of the utility model is to provide a floating valve tray and a methanol distillation device to eliminate the bubbling blind area and make the bubbling more uniform.
[0005] In order to achieve the above-mentioned purpose, the utility model provides a floating valve tower plate, including an intermediate plate, provided with a plurality of first valve holes, and the two side walls of the intermediate plate are respectively provided with a plurality of first notches; two side plates, respectively abutting against the two sides of the intermediate plate, and the side walls of the side plates are provided with a plurality of second notches, and each of the second notches and the corresponding first notches are combined to form a second valve hole; two first connecting seats, respectively arranged below the connection between the intermediate plate and the two side plates, the first connecting seats are respectively detachably connected to the intermediate plate and the side plates, and the first connecting seats are provided with a plurality of first through holes, each of the first through holes is aligned with a second valve hole, and the inner diameter of the first through hole is larger than the inner diameter of the second valve hole; and a plurality of floating valve bodies, respectively arranged in each of the first valve holes and the second valve holes.
[0006] Preferably, the middle plate is provided with a plurality of first mounting holes, the side plate is provided with a plurality of second mounting holes, the first connecting seat is provided with a plurality of third mounting holes, and each of the first mounting holes and the second mounting hole is aligned with one of the third mounting holes.
[0007] Preferably, the intermediate plate comprises a first plate body and a second plate body abutting against two sides of the first plate body, the side wall of the first plate body is recessed to form a plurality of third notches, the side walls of the second plate body are respectively provided with a plurality of fourth notches, and each of the fourth notches and the corresponding third notch are combined to form a third valve hole;
[0008] It also includes two second connecting seats, which are respectively arranged below the connection between the first plate body and the two second plate bodies. The second connecting seats are respectively detachably connected to the first plate body and the second plate body. The second connecting seats are provided with multiple second through holes, each of the second through holes is aligned with one of the third valve holes, and the inner diameter of the second through hole is larger than the inner diameter of the third valve hole.
[0009] Preferably, the first plate body is provided with a plurality of fourth mounting holes, the second plate body is provided with a plurality of fifth mounting holes, the second connecting seat is provided with a plurality of sixth mounting holes, and each of the fourth mounting holes and the fifth mounting hole is aligned with one of the sixth mounting holes.
[0010] Preferably, two ends of the second connecting socket are respectively connected to two of the first connecting sockets.
[0011] Preferably, four corners of the bottom surface of the first plate body are respectively provided with positioning protrusions, and each of the positioning protrusions abuts against a corner where the first connecting seat is connected to the second connecting seat.
[0012] Preferably, at least two positioning blocks are provided on the bottom surface of the side plate, and each of the positioning blocks abuts against the first connecting seat.
[0013] Preferably, one of the side plates is provided with a liquid receiving pan, and the other side plate is provided with a downcomer.
[0014] The utility model also provides a methanol distillation device, comprising the above-mentioned floating valve tower plate.
[0015] Beneficial effects of the utility model:
[0016] The utility model discloses a floating valve tower plate, which is designed with a first notch on the side walls on both sides of the middle plate and a second notch on the side walls of the side plate. When the middle plate and the side plate are spliced, the first notch can be combined with the second notch to form a second valve hole. At the same time, the middle plate and the side plate are assembled by fastening the connection between the middle plate and the side plate by designing a first connecting seat. Since the first through hole is provided on the first connecting seat, the gas can push open the floating valve body through the first through hole and the second valve hole, which makes it possible to achieve bubbling at the connection between the middle plate and the side plate, thereby eliminating the bubbling blind area and making the bubbling of the floating valve tower plate more uniform. In addition, since the inner diameter of the first through hole is larger than the inner diameter of the second valve hole, the valve foot of the floating valve body can be accommodated, and the valve foot can hook the bottom surface of the middle plate or the side plate, thereby ensuring the normal operation of the floating valve body.
[0017] The utility model also discloses a methanol distillation device, which enhances the processing capacity, improves the separation effect and improves the product quality by using the floating valve tray. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to more clearly illustrate the specific implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the specific implementation or the prior art description. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual scale.
[0019] Figure 1 A schematic diagram of the structure of a floating valve tray provided in one embodiment of the utility model;
[0020] Figure 2 for Figure 1 The local schematic diagram of the A in the middle;
[0021] Figure 3 It is a structural schematic diagram of the bottom of the floating valve tower plate;
[0022] Figure 4 It is a schematic diagram of the structure of the first connecting seat and the second connecting seat cooperating with each other;
[0023] Figure 5 for Figure 3 The local schematic diagram of point B in the middle;
[0024] Figure 6 A top view of the float valve tray after hiding the float valve body;
[0025] Figure 7 for Figure 6 The local schematic diagram of the C in the middle;
[0026] Figure 8 It is a schematic diagram of the split structure of the floating valve tray;
[0027] Fig. 9 for Figure 8 The local schematic diagram of point D in the middle;
[0028] Fig.10 is a schematic structural diagram of the bottom of the first plate;
[0029] Fig.11 It is a structural schematic diagram of the bottom of the side panel;
[0030] Fig.12 It is a partial schematic diagram of the cooperation between the positioning block and the first connecting seat;
[0031] Reference numerals:
[0032] 10. Middle plate; 11. First valve hole; 12. First notch; 13. First mounting hole; 14. First plate body; 141. Third notch; 142. Fourth mounting hole; 143. Positioning protrusion; 15. Second plate body; 151. Fourth notch; 152. Fifth mounting hole; 20. Side plate; 21. Second notch; 22. Second mounting hole; 23. Positioning block; 24. Downcomer; 31. Second valve hole; 32. Third valve hole; 40. First connecting seat; 41. First through hole; 42. Third mounting hole; 50. Float valve body; 60. Second connecting seat; 61. Second through hole; 62. Sixth mounting hole. DETAILED DESCRIPTION
[0033] The following embodiments of the technical solution of the utility model are described in detail in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the utility model, and are therefore only used as examples, and cannot be used to limit the protection scope of the utility model.
[0034] It should be noted that, unless otherwise specified, the technical terms or scientific terms used in this application should have the common meanings understood by technicians in the field to which the utility model belongs.
[0035] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0036] In addition, the terms "first", "second", etc. are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present utility model, the meaning of "plurality" is more than two, unless otherwise clearly and specifically limited.
[0037] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.
[0038] In the present application, unless otherwise clearly specified and limited, a first feature being “above” or “below” a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being “above”, “above”, and “above” a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being “below”, “below”, and “below” a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.
[0039] Embodiment 1
[0040] like Figure 1-12 As shown, in one embodiment of the utility model, a floating valve tray is provided, comprising a middle plate 10, two side plates 20, two first connecting seats 40 and a plurality of floating valve bodies 50, wherein the middle plate 10 is provided with a plurality of first valve holes 11, and the two side walls of the middle plate 10 facing the side plates 20 are respectively provided with a plurality of first notches 12. The two side plates 20 are respectively abutted against the two sides of the middle plate 10, and the side walls of the side plates 20 are provided with a plurality of second notches 21, and each second notch 21 is surrounded by the corresponding first notch 12 to form a second valve hole 31.
[0041] Two first connection seats 40 are respectively arranged below the connection between the middle plate 10 and the two side plates 20. The first connection seats 40 are detachably connected to the middle plate 10 and the side plates 20 by bolts. The first connection seats 40 are provided with a plurality of first through holes 41. Each first through hole 41 is aligned with a second valve hole 31. The first through hole 41 is coaxially arranged with the second valve hole 31. The inner diameter of the first through hole 41 is larger than the inner diameter of the second valve hole 31. A float valve body 50 is installed in each first valve hole 11 and the second valve hole 31.
[0042] The present embodiment discloses a floating valve tower plate, which is designed with a first notch 12 on the side walls on both sides of the middle plate 10 and a second notch 21 on the side walls of the side plate 20. When the middle plate 10 and the side plate 20 are spliced, the first notch 12 can be combined with the second notch 21 to form a second valve hole 31. At the same time, the first connecting seat 40 is designed to fasten the connection between the middle plate 10 and the side plate 20, thereby realizing the assembly of the middle plate 10 and the side plate 20. Since the first through hole 41 is provided on the first connecting seat 40, the gas can push open the floating valve body 50 through the first through hole 41 and the second valve hole 31, which enables bubbling to be achieved at the connection between the middle plate 10 and the side plate 20, thereby eliminating the bubbling blind area and making the bubbling of the floating valve tower plate more uniform. Furthermore, since the inner diameter of the first through hole 41 is larger than the inner diameter of the second valve hole 31, the valve foot of the float valve body 50 can be accommodated, and the valve foot can hook the bottom surface of the middle plate 10 or the side plate 20 (see Figure 5 ), thereby ensuring the normal operation of the float valve body 50.
[0043] In one embodiment, the middle plate 10 is provided with a plurality of first mounting holes 13, the side plate 20 is provided with a plurality of second mounting holes 22, and the first connecting seat 40 is provided with a plurality of third mounting holes 42, and each first mounting hole 13 and second mounting hole 22 are aligned with a third mounting hole 42. The bolts are threadedly engaged with the first connecting seat 40 after passing through the first mounting hole 13 (second mounting hole 22) and the third mounting hole 42, so that the connection between the middle plate 10 and the side plate 20 is fastened, and the assembly of the middle plate 10 and the side plate 20 is realized.
[0044] In one embodiment, the middle plate 10 includes a first plate body 14 and a second plate body 15 abutting against both sides of the first plate body 14. The side walls of the first plate body 14 are recessed to form a plurality of third notches 141, and the side walls of the second plate body 15 are respectively provided with a plurality of fourth notches 151. Each fourth notch 151 is combined with the corresponding third notch 141 to form a third valve hole 32.
[0045] The floating valve tower plate also includes two second connecting seats 60, which are respectively arranged below the connection between the first plate body 14 and the two second plate bodies 15. The second connecting seats 60 are respectively detachably connected to the first plate body 14 and the second plate body 15. A plurality of second through holes 61 are provided on the second connecting seats 60. Each second through hole 61 is aligned with a third valve hole 32, and the inner diameter of the second through hole 61 is larger than the inner diameter of the third valve hole 32.
[0046] Similarly, by designing the third notch 141 on the side walls on both sides of the first plate body 14 and designing the fourth notch 151 on the side walls of the second plate body 15, when the first plate body 14 and the second plate body 15 are spliced, the third notch 141 can be combined with the fourth notch 151 to form the third valve hole 32. At the same time, by designing the second connecting seat 60 to fasten the connection between the first plate body 14 and the second plate body 15, the first plate body 14 and the second plate body 15 are assembled.
[0047] Since the second connection seat 60 is provided with a second through hole 61, the gas can push open the float valve body 50 through the second through hole 61 and the third valve hole 32, so that bubbling can also be achieved at the connection between the first plate body 14 and the second plate body 15, thereby further eliminating the bubbling blind area and making the bubbling of the float valve tower plate more uniform. In addition, since the inner diameter of the second through hole 61 is larger than the inner diameter of the third valve hole 32, the valve foot of the float valve body 50 can be accommodated, and the valve foot can hook the bottom surface of the middle plate 10 or the side plate 20 (see Figure 5 ), thereby ensuring the normal operation of the float valve body 50.
[0048] Furthermore, by designing the intermediate plate 10 as a split structure, it is also convenient to produce, manufacture and assemble the intermediate plate 10 .
[0049] In one embodiment, the first plate body 14 is provided with a plurality of fourth mounting holes 142, the second plate body 15 is provided with a plurality of fifth mounting holes 152, and the second connecting seat 60 is provided with a plurality of sixth mounting holes 62, and each fourth mounting hole 142 and fifth mounting hole 152 are aligned with a sixth mounting hole 62. The bolts are threadedly engaged with the second connecting seat 60 after passing through the fourth mounting holes 142 (fifth mounting holes 152) and the sixth mounting holes 62, so that the connection between the first plate body 14 and the second plate body 15 is fastened, and the assembly of the first plate body 14 and the second plate body 15 is achieved.
[0050] In one embodiment, in order to enhance the overall structural strength of the floating valve tray, two ends of the second connecting seat 60 are respectively connected to the two first connecting seats 40 to form a frame structure, and the connection can be fixed by welding.
[0051] In one embodiment, in order to facilitate the rapid positioning of the installation position of the first plate body 14 on the two first connecting seats 40 and the two second connecting seats 60, positioning protrusions 143 are respectively provided at the four corners of the bottom surface of the first plate body 14, and each positioning protrusion 143 respectively abuts against the corner where the first connecting seat 40 is connected to the second connecting seat 60.
[0052] In one embodiment, in order to quickly install the side panel 20 on the first connecting seat 40, at least two positioning blocks 23 are provided on the bottom surface of the side panel 20, and each positioning block 23 abuts against the first connecting seat 40. After the positions of the first plate body 14 and the two side panels 20 are determined, the positions of the two second plate bodies 15 are also determined accordingly, so there is no need to design a positioning structure on the second plate body 15.
[0053] In one embodiment, in order to make the liquid distribution more uniform, one of the side plates 20 is provided with a liquid receiving pan, and the other side plate 20 is provided with a downcomer 24 .
[0054] Embodiment 2
[0055] In another embodiment of the present invention, a methanol distillation device is provided, including the floating valve tray in the above-mentioned embodiment 1. By using the above-mentioned floating valve tray, the processing capacity is enhanced, the separation effect is improved, and the product quality is improved.
[0056] In the specification of the present utility model, a lot of specific details are described. However, it is understood that the embodiments of the present utility model can be practiced without these specific details. In some examples, well-known methods, structures and techniques are not shown in detail so as not to obscure the understanding of this specification.
[0057] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model, and they should all be included in the scope of the claims and specification of the utility model.
Claims
1. A floating valve tray, characterized in that: include: The middle plate (10) is provided with a plurality of first valve holes (11), and the two side walls of the middle plate (10) are respectively provided with a plurality of first notches (12); Two side plates (20) are respectively abutted against two sides of the middle plate (10); a plurality of second notches (21) are provided on the side walls of the side plates (20); each second notch (21) is surrounded by a corresponding first notch (12) to form a second valve hole (31); Two first connection seats (40) are respectively arranged below the connection between the middle plate (10) and the two side plates (20); the first connection seats (40) are respectively detachably connected to the middle plate (10) and the side plates (20); a plurality of first through holes (41) are arranged on the first connection seats (40); each of the first through holes (41) is aligned with one of the second valve holes (31); and the inner diameter of the first through hole (41) is larger than the inner diameter of the second valve hole (31); as well as A plurality of float valve bodies (50) are respectively arranged in each of the first valve hole (11) and the second valve hole (31).
2. The floating valve tray according to claim 1, characterized in that: The middle plate (10) is provided with a plurality of first mounting holes (13), the side plate (20) is provided with a plurality of second mounting holes (22), the first connecting seat (40) is provided with a plurality of third mounting holes (42), and each of the first mounting holes (13) and the second mounting hole (22) is aligned with one of the third mounting holes (42).
3. The floating valve tray according to claim 1, characterized in that: The intermediate plate (10) comprises a first plate body (14), and a second plate body (15) abutting against two sides of the first plate body (14); the side wall of the first plate body (14) is recessed to form a plurality of third notches (141); the side wall of the second plate body (15) is respectively provided with a plurality of fourth notches (151); each of the fourth notches (151) and the corresponding third notch (141) are combined to form a third valve hole (32); It also includes two second connecting seats (60), which are respectively arranged below the connection between the first plate body (14) and the two second plate bodies (15), and the second connecting seats (60) are respectively detachably connected to the first plate body (14) and the second plate body (15), and the second connecting seats (60) are provided with a plurality of second through holes (61), each of the second through holes (61) is aligned with one of the third valve holes (32), and the inner diameter of the second through hole (61) is larger than the inner diameter of the third valve hole (32).
4. The floating valve tray according to claim 3, characterized in that: The first plate body (14) is provided with a plurality of fourth mounting holes (142), the second plate body (15) is provided with a plurality of fifth mounting holes (152), the second connecting seat (60) is provided with a plurality of sixth mounting holes (62), and each of the fourth mounting holes (142) and the fifth mounting hole (152) is aligned with one of the sixth mounting holes (62).
5. The floating valve tray according to claim 3, characterized in that: Two ends of the second connecting seat (60) are respectively connected to the two first connecting seats (40).
6. The valve tray according to claim 5, characterized in that: Four corners of the bottom surface of the first plate body (14) are respectively provided with positioning protrusions (143), and each positioning protrusion (143) abuts against a corner where the first connecting seat (40) is connected to the second connecting seat (60).
7. The valve tray according to claim 1, characterized in that: At least two positioning blocks (23) are provided on the bottom surface of the side plate (20), and each positioning block (23) abuts against the first connecting seat (40).
8. The valve tray according to claim 1, characterized in that: One of the side plates (20) is provided with a liquid receiving pan, and the other side plate (20) is provided with a liquid downcomer (24).
9. A methanol distillation device, characterized in that: The method comprises the floating valve tray according to any one of claims 1 to 8.