CN204841616U - Bushing type gas -liquid distributor - Google Patents
Bushing type gas -liquid distributor Download PDFInfo
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- CN204841616U CN204841616U CN201520580377.9U CN201520580377U CN204841616U CN 204841616 U CN204841616 U CN 204841616U CN 201520580377 U CN201520580377 U CN 201520580377U CN 204841616 U CN204841616 U CN 204841616U
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- middle level
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- overflow pipe
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Abstract
The utility model belongs to the technical field of the petrochemical equipment technique and specifically relates to a bushing type gas -liquid distributor is related to, including outer overflow pipe, middle level throttle pipe and inlayer downspout, the middle level throttle pipe is worn to establish in the outer overflow pipe, just stretch out at the top of middle level throttle pipe outer overflow pipe, the inlayer downspout is worn to establish in the throttle pipe of middle level, just stretch out the bottom of inlayer downspout outer overflow pipe, the circumference of outer discharge pipe is provided with the liquid phase spout hole, the circumference on the upper portion of middle level throttle pipe is provided with the gaseous phase ingate, the bottom export of inlayer downspout is provided with the stream breaker. The utility model provides a bushing type gas -liquid distributor has that the pressure drop is little, the brokenness can be strong, require lower characteristics to the level of plate of distributor, can realize gas -liquid evenly distributed, has improved operating flexibility.
Description
Technical field
The utility model relates to petrochemical equipment technical field, especially relates to a kind of bushing type gas-liquid allotter.
Background technology
Fixed bed hydrogenation reaction, as the common method of heavy raw oil lighting process, is widely used in the hydrotreatment of distillate, paraffin, the hydrofinishing of lubricating oil, the hydrocracking of wax oil and most of residual oil.In fixed bed reactors, catalyst is loaded in fixed bed, reacts after gas-liquid two-phase raw material enters reactor under the effect of catalyst.The distribution performance of reactor inner fluid directly affects the uniformity of reactant and catalyst exposure, and then affects distribution and the product quality of bed temperature.Can fixed bed reactors stable operation, and can catalyst efficiency utilization, and whether product quality is qualified, is subject to the impact of gas-liquid two-phase fluid distribution condition in fixed bed reactors to a great extent.Along with reaction unit maximize, product becomes more meticulous, the importance of fluid well-distributing distribution is just more outstanding, therefore needs that design and development is rational in infrastructure, the gas-liquid allotter of function admirable.
The structure of gas-liquid allotter the most frequently used at present, the mode that can enter gas phase according to liquid phase is divided into three kinds: overflow-type, drawing-in type, hybrid.But the distributor of this three types all exists certain shortcoming: the distributed power of overflow-type distributor is mainly derived from liquid phase self gravitation, therefore require higher to distribution plate installation level; Drawing-in type distributor is less due to liquid phase circulation area, there is the problems such as the comparatively large and operating flexibility of distributor pressure drop is lower; Both combining in recent years, the mixed type distributor of structural advantages is assigned better effects to even in liquid phase, but in the gas phase entry mode of existing structure, there is the problem that central bus is serious and more weak to liquid phase suction fragmentation, the abundant mixing to gas phase and liquid phase and dispersion can not be realized.
Utility model content
The purpose of this utility model is to provide a kind of bushing type gas-liquid allotter, large to solve the impact of distribution plate installation level on gas phase and even in liquid phase distribution existed in prior art, the less distributor operating flexibility that makes of liquid phase circulation area is lower, and gas phase entry mode is more weak to liquid phase suction fragmentation, can not realize gas phase and the abundant mixing of liquid phase and the technical problem of dispersion.
Based on above-mentioned purpose, the utility model provides a kind of bushing type gas-liquid allotter, comprises outer overflow pipe, middle level throttle pipe and internal layer downspout; Described middle level throttle pipe is located in described outer overflow pipe, and described outer overflow pipe is stretched out at the top of described middle level throttle pipe; Described internal layer downspout is located in the throttle pipe of described middle level, and described outer overflow pipe is stretched out in the bottom of described internal layer downspout; The circumference of described outer liquid overflow pipe is provided with liquid phase spout hole; The circumference on the top of described middle level throttle pipe is provided with gas phase ingate; The outlet at bottom of described internal layer downspout is provided with stream breaker.
Further, the top of described outer overflow pipe is provided with top board, and the bottom of described outer overflow pipe is provided with base plate; Described middle level throttle pipe is fixedly connected with described top board; Described internal layer downspout is fixedly connected with described base plate.
Further, the top of described middle level throttle pipe is sealing, and the bottom of described middle level throttle pipe is opening; The bottom of described middle level throttle pipe is positioned at the inside of described outer overflow pipe; The top of described internal layer downspout is opening.
Further, described outer overflow pipe, described middle level throttle pipe and described internal layer downspout are cylinder type; Described outer overflow pipe, described middle level throttle pipe and described internal layer downspout coaxial line.
Further, the shape of described liquid phase spout hole is circular.
Further, the circumference along described outer liquid overflow pipe is evenly provided with liquid phase spout hole described in multirow, and often the quantity of capable described liquid phase spout hole is multiple.
Further, the shape of described gas phase ingate is rectangle.
Further, described stream breaker is provided with multiple radial legs, and described radial legs is fixedly connected with described internal layer downspout.
Further, described stream breaker offers broken discharge orifice.
Further, the shape of described broken discharge orifice is circle, triangle, rectangle, semicircle, trapezoidal or kidney-shaped.
Compared with prior art, the beneficial effects of the utility model are:
The bushing type gas-liquid allotter that the utility model provides, comprises outer overflow pipe, middle level throttle pipe and internal layer downspout; Middle level throttle pipe is located in outer overflow pipe, and outer overflow pipe is stretched out at the top of middle level throttle pipe; Internal layer downspout is located in the throttle pipe of middle level, and outer overflow pipe is stretched out in the bottom of internal layer downspout; The circumference of outer liquid overflow pipe is provided with liquid phase spout hole; The circumference on the top of middle level throttle pipe is provided with gas phase ingate; The outlet at bottom of internal layer downspout is provided with stream breaker.The annular space that so outer overflow pipe and middle level throttle pipe are formed, can effectively adjust the fluid level entering distributor, control the volume entering the liquid phase of internal layer downspout, thus can alleviate the problem due to the uneven distribution inequality caused of distribution plate installation; Outer overflow pipe sidewall arranges liquid phase spout hole, increases the circulation area of liquid phase, can improve the operating flexibility of distributor; The gas phase ingate that middle level throttle pipe is arranged increases the circulation area of gas phase, makes the overall pressure drop of distributor less; Gas phase enters distributor from the circumference on the top of middle level throttle pipe, reduces distributor central bus phenomenon; After liquid and gas fully mix in downspout, then through stream breaker dispersion, fully mixing and equally distributed object can be reached.The bushing type gas-liquid allotter that the utility model provides, has that pressure drop is little, a feature that crushing performance is strong, lower to the level requirement of distribution plate, can realize gas-liquid and be uniformly distributed, improve operating flexibility.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model detailed description of the invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in detailed description of the invention or description of the prior art below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The axonometric drawing of the bushing type gas-liquid allotter that Fig. 1 provides for the utility model embodiment;
The front view of the bushing type gas-liquid allotter that Fig. 2 provides for the utility model embodiment;
The top view of the bushing type gas-liquid allotter that Fig. 3 provides for the utility model embodiment;
The upward view of the bushing type gas-liquid allotter that Fig. 4 provides for the utility model embodiment;
Fig. 5 is the sectional view along A-A line in Fig. 3.
Reference numeral:
The outer overflow pipe of 101-; 102-middle level throttle pipe; 103-internal layer downspout;
104-liquid phase spout hole; 105-gas phase ingate; 106-top board;
107-base plate; 108-radial legs; 109-stream breaker; The broken discharge orifice of 110-; 111-distribution plate.
Detailed description of the invention
Be clearly and completely described the technical solution of the utility model below in conjunction with accompanying drawing, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.The assembly of the utility model embodiment describing and illustrate in usual accompanying drawing herein can be arranged with various different configuration and design.Therefore, below to the detailed description of the embodiment of the present utility model provided in the accompanying drawings and the claimed scope of the present utility model of not intended to be limiting, but selected embodiment of the present utility model is only represented.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
In description of the present utility model, it should be noted that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", " outward " they be based on orientation shown in the drawings or position relationship; be only the utility model and simplified characterization for convenience of description; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second ", " the 3rd " only for describing object, and can not be interpreted as instruction or hint relative importance.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition the concrete meaning of above-mentioned term in the utility model can be understood.
Embodiment
The axonometric drawing of the bushing type gas-liquid allotter that Fig. 1 provides for the utility model embodiment, the front view of the bushing type gas-liquid allotter that Fig. 2 provides for the utility model embodiment, the top view of the bushing type gas-liquid allotter that Fig. 3 provides for the utility model embodiment, the upward view of the bushing type gas-liquid allotter that Fig. 4 provides for the utility model embodiment, Fig. 5 is the sectional view along A-A line in Fig. 3, for convenience of explanation, figure 5 illustrates distribution plate, see shown in Fig. 1 to Fig. 5, present embodiments provide a kind of bushing type gas-liquid allotter, comprise outer overflow pipe 101, middle level throttle pipe 102 and internal layer downspout 103, middle level throttle pipe 102 is located in outer overflow pipe 101, and outer overflow pipe 101 is stretched out at the top of middle level throttle pipe 102, internal layer downspout 103 is located in middle level throttle pipe 102, and outer overflow pipe 101 is stretched out in the bottom of internal layer downspout 103, the circumference of outer liquid overflow pipe is provided with liquid phase spout hole 104, the circumference on the top of middle level throttle pipe 102 is provided with gas phase ingate 105, and gas phase ingate 105 is positioned at outside the pipe of outer overflow pipe 101, the outlet at bottom of internal layer downspout 103 is provided with stream breaker 109.The annular space that outer overflow pipe 101 is formed with middle level throttle pipe 102, can effectively adjust the fluid level entering distributor, control the volume entering the liquid phase of internal layer downspout 103, thus can alleviate because distribution plate 111 installs the problem of the distribution inequality that injustice causes, that is, install not at ordinary times at distribution plate 111, still can ensure fully to mix and be uniformly distributed; The circumference of outer overflow pipe 101 arranges liquid phase spout hole 104, increases the circulation area of liquid phase, can improve the operating flexibility of distributor; The gas phase ingate 105 that middle level throttle pipe 102 is arranged increases the circulation area of gas phase, makes the overall pressure drop of distributor less; Gas phase enters distributor from the circumference on the top of middle level throttle pipe 102, reduces distributor central bus phenomenon; After liquid and gas fully mix in internal layer downspout 103, then disperse through stream breaker 109, fully mixing and equally distributed object can be reached.The bushing type gas-liquid allotter that the present embodiment provides, has that pressure drop is little, a feature that crushing performance is strong, lower to the level requirement of distribution plate 111, can realize gas-liquid and be uniformly distributed, improve operating flexibility.
Shown in Figure 5, in the present embodiment, the top of outer overflow pipe 101 is provided with top board 106, and the bottom of outer overflow pipe 101 is provided with base plate 107; Middle level throttle pipe 102 is fixedly connected with top board 106; Internal layer downspout 103 is fixedly connected with base plate 107.Specifically, middle level throttle pipe 102 through top board 106, and seals with top board 106, and gas phase ingate 105 is positioned at the top of middle level throttle pipe 102; Internal layer downspout 103 through base plate 107, and seals with base plate 107; Annular space is formed between outer overflow pipe 101 and middle level throttle pipe 102; Formed between internal layer downspout 103 and middle level throttle pipe 102 between annular, the top of internal layer downspout 103 extend in middle level throttle pipe 102.
Shown in Figure 5, in the present embodiment, the top of middle level throttle pipe 102 is sealing, and the bottom of middle level throttle pipe 102 is opening; The bottom of middle level throttle pipe 102 is positioned at the inside of outer overflow pipe 101; The top of internal layer downspout 103 is opening.
Shown in Fig. 1 and Fig. 5, in the present embodiment, outer overflow pipe 101, middle level throttle pipe 102 and internal layer downspout 103 are cylinder type; Outer overflow pipe 101, middle level throttle pipe 102 and internal layer downspout 103 coaxial line.Specifically, the height of outer overflow pipe 101 is 70mm ~ 98mm, and external diameter is 48 ~ 50mm; The bottom of outer overflow pipe 101 is arranged on distribution plate 111; The internal diameter of outer overflow pipe 101 is greater than the external diameter of middle level throttle pipe 102, and the internal diameter of middle level throttle pipe 102 is greater than the external diameter of internal layer downspout 103; The pipe thickness of outer overflow pipe 101, middle level throttle pipe 102 and internal layer downspout 103 is 2mm ~ 4mm; The top of middle level throttle pipe 102 exceeds the top 15mm ~ 17mm of outer overflow pipe 101; The external diameter of middle level throttle pipe 102 is 32mm ~ 34mm; The bottom of middle level throttle pipe 102 is unsettled, and the bottom face of middle level throttle pipe 102 is lower than the lower limb of the liquid phase spout hole 104 of the bottom on outer overflow pipe 101; The height of internal layer downspout 103 is 35mm ~ 50mm, and the external diameter of internal layer downspout 103 is 16mm ~ 18mm; The bottom face of internal layer downspout 103 stretches into distribution plate less than 111 5mm ~ 7mm; Stream breaker 109 is overall rounded, and diameter is 11mm ~ 13mm.
Shown in Figure 1, in the present embodiment, the shape of liquid phase spout hole 104 is circular.Specifically, the circumference along outer liquid overflow pipe is evenly provided with multirow liquid phase spout hole 104, and often the quantity of row liquid phase spout hole 104 is multiple; In the liquid phase spout hole 104 of often going, the spacing of adjacent two liquid phase spout holes 104 is equal, and preferably, in the liquid phase spout hole 104 of often going, the spacing between adjacent two liquid phase spout holes 104 is 9mm ~ 11mm, and aperture is 5 ~ 7mm.In the preferred scheme of the present embodiment, liquid phase spout hole 104 arranges 2 ~ 4 row, and often the quantity of row liquid phase spout hole 104 is 4 ~ 6; Distance between the liquid phase spout hole 104 of the bottom on outer overflow pipe 101 and distribution plate 111 is 5mm ~ 15mm.
Shown in Figure 5, in the present embodiment, the shape of gas phase ingate 105 is rectangle, and the number of gas phase ingate 105 is multiple.It should be noted that, the size of gas phase ingate 105, need circulation area and the stability of considering gas phase.
Shown in Figure 4, in the present embodiment, stream breaker 109 is provided with multiple radial legs 108, and radial legs 108 is fixedly connected with internal layer downspout 103.
Shown in Figure 4, in the present embodiment, stream breaker 109 offers broken discharge orifice 110.Specifically, the shape of broken discharge orifice 110 is circle, triangle, rectangle, semicircle, trapezoidal or kidney-shaped; Wherein, kidney-shaped is that two ends are semi arch and the middle shape for rectangle.It should be noted that, in the present embodiment, the shape of broken discharge orifice can be one or more in above-mentioned six kinds of shapes, that is, stream breaker can be offered in the broken discharge orifice of circular broken discharge orifice, leg-of-mutton broken discharge orifice, the broken discharge orifice of rectangle, semicircular broken discharge orifice, trapezoidal broken discharge orifice or kidney-shaped one or more.
The bushing type gas-liquid allotter that the present embodiment provides in working order under, liquid phase fluid gathers on distribution plate 111, when highly reaching the height of liquid phase spout hole 104, entered the annular space of outer overflow pipe 101 and middle level throttle pipe 102 by liquid phase spout hole 104, liquid phase fluid makes the height of liquid phase fluid reach unanimity through redistributing in annular space; Then liquid phase fluid upwards flows along the annular space of middle level throttle pipe 102 and internal layer downspout 103, and after arriving the top edge at the top of internal layer downspout 103, baffling is downward; Gas phase flows into from the gas phase ingate 105 on the top of middle level throttle pipe 102, liquid phase is under the effect of self gravity and gas phase suction, in internal layer downspout 103, disperse fragmentation downwards, after eventually passing the effect again of stream breaker 109, be dispersed on beds.
In sum, the bushing type gas-liquid allotter that the present embodiment provides, by setting up middle level throttle pipe 102, in the annular space between outer overflow pipe 101 and middle level throttle pipe 102, for the uniform distribution of the height of liquid phase fluid provides space; The bottom of middle level throttle pipe 102 is unsettled, effectively controls the liquid phase flow entering internal layer downspout 103; Annular space between outer overflow pipe 101 and middle level throttle pipe 102, and the bottom of middle level throttle pipe 102 is unsettled, the two can avoid the problem of the liquid phase maldistribution caused because distribution plate 111 setting height(from bottom) is uneven largely after combining.Gas phase ingate 105 on middle level throttle pipe 102 is arranged on circumference, avoid gas phase vertically to enter internal layer downspout 103 and produce central bus phenomenon occur.The circumference of outer overflow pipe 101 arranges multirow liquid phase spout hole 104, enhances the operating flexibility of distributor.The setting of stream breaker 109 also contributes to the raising of distributor overall distribution performance.
Last it is noted that above each embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to foregoing embodiments, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of the utility model.
Claims (10)
1. a bushing type gas-liquid allotter, is characterized in that, comprises outer overflow pipe, middle level throttle pipe and internal layer downspout; Described middle level throttle pipe is located in described outer overflow pipe, and described outer overflow pipe is stretched out at the top of described middle level throttle pipe; Described internal layer downspout is located in the throttle pipe of described middle level, and described outer overflow pipe is stretched out in the bottom of described internal layer downspout; The circumference of described outer liquid overflow pipe is provided with liquid phase spout hole; The circumference on the top of described middle level throttle pipe is provided with gas phase ingate; The outlet at bottom of described internal layer downspout is provided with stream breaker.
2. bushing type gas-liquid allotter according to claim 1, is characterized in that, the top of described outer overflow pipe is provided with top board, and the bottom of described outer overflow pipe is provided with base plate; Described middle level throttle pipe is fixedly connected with described top board; Described internal layer downspout is fixedly connected with described base plate.
3. bushing type gas-liquid allotter according to claim 1 and 2, is characterized in that, the top of described middle level throttle pipe is sealing, and the bottom of described middle level throttle pipe is opening; The bottom of described middle level throttle pipe is positioned at the inside of described outer overflow pipe; The top of described internal layer downspout is opening.
4. bushing type gas-liquid allotter according to claim 1 and 2, is characterized in that, described outer overflow pipe, described middle level throttle pipe and described internal layer downspout are cylinder type; Described outer overflow pipe, described middle level throttle pipe and described internal layer downspout coaxial line.
5. bushing type gas-liquid allotter according to claim 1 and 2, is characterized in that, the shape of described liquid phase spout hole is circular.
6. bushing type gas-liquid allotter according to claim 5, is characterized in that, the circumference along described outer liquid overflow pipe is evenly provided with liquid phase spout hole described in multirow, and often the quantity of capable described liquid phase spout hole is multiple.
7. bushing type gas-liquid allotter according to claim 1 and 2, is characterized in that, the shape of described gas phase ingate is rectangle.
8. bushing type gas-liquid allotter according to claim 1 and 2, is characterized in that, described stream breaker is provided with multiple radial legs, and described radial legs is fixedly connected with described internal layer downspout.
9. bushing type gas-liquid allotter according to claim 1, is characterized in that, described stream breaker offers broken discharge orifice.
10. bushing type gas-liquid allotter according to claim 9, is characterized in that, the shape of described broken discharge orifice is circle, triangle, rectangle, semicircle, trapezoidal or kidney-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520580377.9U CN204841616U (en) | 2015-08-04 | 2015-08-04 | Bushing type gas -liquid distributor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520580377.9U CN204841616U (en) | 2015-08-04 | 2015-08-04 | Bushing type gas -liquid distributor |
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| Publication Number | Publication Date |
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| CN204841616U true CN204841616U (en) | 2015-12-09 |
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| CN201520580377.9U Active CN204841616U (en) | 2015-08-04 | 2015-08-04 | Bushing type gas -liquid distributor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108050861A (en) * | 2017-11-01 | 2018-05-18 | 中石化广州工程有限公司 | A kind of liquefied natural gas gas-liquid uniform distributer |
| TWI664021B (en) * | 2016-11-25 | 2019-07-01 | 中國石油化工科技開發有限公司 | Underflow equalizing plate and reactor |
| CN109985574A (en) * | 2017-12-29 | 2019-07-09 | 中国石油化工股份有限公司 | The hydrogenator for subtracting punch plate is arranged in top |
| EP4103316A4 (en) * | 2020-02-12 | 2023-09-06 | Hindustan Petroleum Corporation Limited | Gas and liquid distributor for bubble column reactor |
-
2015
- 2015-08-04 CN CN201520580377.9U patent/CN204841616U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI664021B (en) * | 2016-11-25 | 2019-07-01 | 中國石油化工科技開發有限公司 | Underflow equalizing plate and reactor |
| CN108050861A (en) * | 2017-11-01 | 2018-05-18 | 中石化广州工程有限公司 | A kind of liquefied natural gas gas-liquid uniform distributer |
| CN109985574A (en) * | 2017-12-29 | 2019-07-09 | 中国石油化工股份有限公司 | The hydrogenator for subtracting punch plate is arranged in top |
| EP4103316A4 (en) * | 2020-02-12 | 2023-09-06 | Hindustan Petroleum Corporation Limited | Gas and liquid distributor for bubble column reactor |
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