CN203565051U - Pipe type pre-distribution device used for gas-liquid mixed feeding - Google Patents
Pipe type pre-distribution device used for gas-liquid mixed feeding Download PDFInfo
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- CN203565051U CN203565051U CN201320600027.5U CN201320600027U CN203565051U CN 203565051 U CN203565051 U CN 203565051U CN 201320600027 U CN201320600027 U CN 201320600027U CN 203565051 U CN203565051 U CN 203565051U
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- pipe
- gas
- distributor pipe
- tubular type
- baffle plate
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Abstract
The utility model provides a pipe type pre-distribution device used for gas-liquid mixed feeding. The pipe type pre-distribution device comprises a pipe connecting flange, a feeding pipe, a distribution pipe, baffle plates, a despumation device, a pressing plate and a rib plate, wherein the feeding pipe is connected with the pipe connecting flange in a welding manner; a welding structure is formed between the feeding pipe and the distribution pipe; vertical baffle plates are respectively arranged on both sides of the distribution pipe, and welded on the distribution pipe by the rib plate; the despumation device is arranged at the top ends of the baffle plates to cover interspace between the two baffle plates, and fixed on the baffle plates by the pressing plate. By utilizing the despumation device, entrainment can be effectively prevented, and gas-liquid separation can be promoted. The pipe type pre-distribution device is simple in structure, easy to manufacture and install and suitable for gas-liquid two-phase mixed feeding of a packed tower and a plate tower used in the operation processes of gas-liquid mass transfer, separation, and the like in industrial production.
Description
Technical field
The utility model relates to the components and parts in a kind of plate column and packed tower, especially relates to the pre-distribution apparatus of a kind of tubular type for gas-liquid mixed charging.
Background technology
Tower is one of most important equipment during chemical industry, petrochemical industry and oil refining etc. are produced, and according to the inner parts structure of tower, is divided into plate column and the large class of packed tower two, no matter be which kind of tower, it is all very important reasonably designing feed system.
Conventionally the charging of tower comprises liquid phase feeding, gas-phase feed and gas-liquid two-phase feeding.In the charging of packed tower, exist a large amount of gas-liquid mixed fill process, as the charging of intermediate reboiler, decompression charging, flash evaporation feed etc., in order to make gas-liquid two-phase separation, be uniformly distributed separately, traditional processing method is, at tower, knockout drum is set outward, first gas-liquid is carried out to separation, then enter in tower respectively, but cost is higher.
Utility model content
Needs for gas-liquid two-phase feeding, for reaching two in gas-liquid mixed fill process, be separated, the special pre-distribution apparatus of a kind of tubular type for gas-liquid mixed charging that proposes of the utility model, this pre-distribution apparatus is simple in structure, be easy to manufacture and install, labor and material saving, cost are low, and being applicable to inlet amount in packed tower that tower diameter is less or plate column is not very large gas-liquid two-phase mixed feeding.
For addressing the above problem, the technical scheme adopting is:
The pre-distribution apparatus of a kind of tubular type for gas-liquid mixed charging, comprise pipe connecting flange, feed pipe, distributor pipe, baffle plate, Despumation device, pressing plate and gusset, wherein feed pipe is connected by welding manner with pipe connecting flange, it between feed pipe and distributor pipe, is Welding Structure, the both sides of distributor pipe arrange respectively vertical baffle, and described baffle plate is welded on distributor pipe by gusset, and described Despumation device is arranged on baffle plate top, cover the space between two baffle plates, and be fixed on described baffle plate by pressing plate.
Preferably, described feed pipe and distributor pipe are straight tubes.
Described feed pipe and distributor pipe are to be T-shaped cylinder structure or a word straight pipe type structure.
The bottom surface of described distributor pipe is opened double strip distribution hole, and described distribution hole center line and horizontal angle are 0 °～45 °, and the sectional area sum of described distribution hole is 1.5-2 times of distributor pipe sectional area.
The top of described baffle plate is converted into level board, lower end is converted into bent plate and does drainage plate, bending angle is 120 °～135 °, and the distance between two baffle plates is the twice of described distributor pipe nominal diameter, and the vertical portion height of described baffle plate is the twice of described distributor pipe nominal diameter.
Described Despumation device is comprised of fixed network and silk screen piece, by spacing bar or distance rod, both is connected and fixed.
Preferably, described fixed network is expanded metal lath or grizzly bar.
Described silk screen piece is gas-liquid filter net.
The utility model has the advantage of the easy manufacture simple in structure of the pre-distribution apparatus of this tubular type, labor and material saving, cost is low, simple installation requires low, be easy to on-the-spot installation, applicability is strong, can effectively make gas-liquid two-phase reach complete separation, so that gas enters into epimere filler or tower tray, liquid drops into slotted disc type distributor or tower tray below.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of the utility model embodiment 1;
Fig. 2 is that the utility model is removed after Despumation device the cutaway view along A-A line in Fig. 1;
Fig. 3 is the sectional structure schematic diagram in B-B cross section in the utility model Fig. 2;
Fig. 4 is the structural representation of Despumation device of the present utility model;
In figure:
1, pipe connecting flange 2, feed pipe 3, baffle plate 4, Despumation device 5, pressing plate 6, gusset 7, distributor pipe 8, distribution hole 9, fixed connection structure 10, fixed network 11, silk screen piece 12, spacing bar or distance rod
The specific embodiment
Below in conjunction with the drawings and the specific embodiments, the utility model is described in further detail.
As shown in Figure 1, Figure 2 and Figure 3, the utility model comprises pipe connecting flange 1, feed pipe 2, distributor pipe 7, baffle plate 3, Despumation device 4, pressing plate 5 and gusset 6, wherein feed pipe 2 is connected with pipe connecting flange 1 by welding manner, between feed pipe 2 and distributor pipe 7, by welding, be T-shaped cylinder structure, also feed pipe and distributor pipe directly can be connected into in-line straight pipe type structure and then be connected with pipe connecting flange, or with distributor pipe directly and pipe connecting flange connect into yi word pattern structure.The both sides of distributor pipe 7 arrange respectively vertical baffle 3, and baffle plate 3 is welded on distributor pipe 7 by gusset 6, and Despumation device 4 is arranged on baffle plate 3 tops, cover the space of 3, two baffle plate, and are fixed on baffle plate 3 by pressing plate 5; The bottom surface of distributor pipe 7 is opened double strip distribution hole 8, and centerline hole and horizontal angle are 0 °～45 °, and the sectional area sum of distribution hole is 1.5-2 times of distributor pipe sectional area; The vertical baffle 3 that distributor pipe 7 both sides arrange, its upper end bending is done level board for supporting Despumation device 4, drainage plate is done in lower end bending, bending angle is 120 °～135 °, and the distance between two baffle plates is the twice of distributor pipe 7 nominal diameters, the vertical portion height of baffle plate 3 is the twice of distributor pipe 7 nominal diameters.On the level board that baffle plate 3 upper ends are bent into, be provided with Despumation device 4, Despumation device 4 is comprised of fixed network 10 and silk screen piece 11, Despumation device 4 is arranged on the level board that baffle plate 3 upper ends are bent into, this Despumation device 4 is comprised of fixed network 10 and silk screen piece 11, by spacing bar or distance rod 12, both is connected and fixed; Wherein fixed network 10 can be expanded metal lath, grizzly bar or other forms of fixed network; The multilayer gas-liquid filter net that silk screen piece 11 is various materials, gas-liquid filter net can be various materials, the height of silk screen piece 11 is determined by the amount of the entrainment of two-phase charging.This Despumation device 4 can prevent entrainment effectively, promotes gas-liquid separation.
Example will describe the utility model better below, but can therefore not limit its application.
Embodiment 1
In the present embodiment, distributor pipe 7 is by fixed connection structure 9(connecting plate or tower bearing) be connected with the inwall of tower, the nominal diameter of distributor pipe 7 is 150mm, its bottom surface is opened double distribution hole 8(referring to Fig. 3), hole be shaped as strip (referring to Fig. 2), bore size is 45 * 150mm, opens altogether 4 strip holes, centerline hole and horizontal angle are 45 ° (referring to Fig. 3), and the sectional area sum of distribution hole 8 is about 1.5 times of distributor pipe 7 sectional areas; Distributor pipe 7(is referring to Fig. 2) both sides vertical baffle 3 is set respectively, baffle plate 3 is welded on distributor pipe 7 by gusset 6; Distance between two baffle plates is that 300mm(is referring to Fig. 3), the height of baffle plate vertical portion is 300mm, and the lower end of baffle plate is converted into bent plate and does drainage plate, and bending angle is 120 °; Despumation device 4(is referring to Fig. 3) be arranged on the level board that baffle plate 3 upper ends are bent into, cover the space between two baffle plates, by baffle plate 3, supported, by pressing plate 5, fixed; This Despumation device 4 forms (referring to Fig. 4) by expanded metal lath and silk screen piece 11, by spacing bar or distance rod 12, both is connected and fixed; The multilayer gas-liquid filter net that silk screen piece 11 is comprised of wire.
Embodiment 2
As different from Example 1, feed pipe and distributor pipe directly being connected into in-line straight pipe type structure is then connected with pipe connecting flange.The bottom surface of distributor pipe 7 is opened double distribution hole 8, and centerline hole and horizontal angle are 0 °, and the sectional area sum of distribution hole 8 is about 2 times of distributor pipe 7 sectional areas; The both sides of distributor pipe 7 arrange respectively vertical baffle 3, and baffle plate 3 is welded on distributor pipe 7 by gusset 6; The lower end of baffle plate is converted into bent plate and does drainage plate, and bending angle is 135 °; Despumation device 4 is arranged on the level board that baffle plate 3 upper ends are bent into, and this Despumation device 4 is comprised of grizzly bar and silk screen piece 11, by spacing bar or distance rod 12, both is connected and fixed; Silk screen piece 11 is multilayer gas-liquid filter net.
The course of work of the present utility model is (referring to Fig. 3): gas-liquid two-phase mixed feeding enters into after distributor pipe 7, via distribution hole 8, goes out, and beats on baffle plate 3.Wherein, liquid phase is guided on the distributor or tower tray of its underpart with the bending part of baffle plate 3 lower ends, gas phase is upwards by Despumation device 4, enter into epimere filler or tower tray, after Despumation device 4, the liquid foam of carrying secretly in gas is by silk screen piece 11 filterings in Despumation device 4, thereby realizes the separation of gas-liquid two-phase.
Application experiment shows, the pre-distribution apparatus of a kind of tubular type for gas-liquid mixed charging disclosed in the utility model, easy manufacture simple in structure, labor and material saving, cost is low, and simple installation requires low, be easy to on-the-spot installation, applicability is strong, in inlet amount is not the gas-liquid two-phase mixed feeding of packed tower very large and that tower diameter is less or plate column, does not use, and can effectively make gas-liquid two-phase reach complete separation.
Above embodiment has been described in detail the utility model, but described content is only preferred embodiment of the present utility model, can not be considered to for limiting practical range of the present utility model.All equalization variations of doing according to the utility model application range and improvement etc., within all should still belonging to patent covering scope of the present utility model.
Claims (8)
1. the pre-distribution apparatus of the tubular type for gas-liquid mixed charging, it is characterized in that: comprise pipe connecting flange, feed pipe, distributor pipe, baffle plate, Despumation device, pressing plate and gusset, wherein feed pipe is connected by welding manner with pipe connecting flange, it between feed pipe and distributor pipe, is Welding Structure, the both sides of distributor pipe arrange respectively vertical baffle, described baffle plate is welded on distributor pipe by gusset, described Despumation device is arranged on baffle plate top, cover the space between two baffle plates, and be fixed on described baffle plate by pressing plate.
2. the pre-distribution apparatus of tubular type according to claim 1, is characterized in that: described feed pipe and distributor pipe are straight tubes.
3. the pre-distribution apparatus of tubular type according to claim 2, is characterized in that: described feed pipe and distributor pipe are to be T-shaped cylinder structure or a word straight pipe type structure.
4. the pre-distribution apparatus of tubular type according to claim 3, it is characterized in that: the bottom surface of described distributor pipe is opened double strip distribution hole, described distribution hole center line and horizontal angle are 0 °～45 °, and the sectional area sum of described distribution hole is 1.5-2 times of distributor pipe sectional area.
5. according to the pre-distribution apparatus of tubular type described in claim 1-4 any one, it is characterized in that: the top of described baffle plate is converted into level board, lower end is converted into bent plate and does drainage plate, bending angle is 120 °～135 °, and the distance between two baffle plates is the twice of described distributor pipe nominal diameter, the vertical portion height of described baffle plate is the twice of described distributor pipe nominal diameter.
6. the pre-distribution apparatus of tubular type according to claim 5, is characterized in that: described Despumation device is comprised of fixed network and silk screen piece, by spacing bar or distance rod, both is connected and fixed.
7. the pre-distribution apparatus of tubular type according to claim 6, is characterized in that: described fixed network is expanded metal lath or grizzly bar.
8. the pre-distribution apparatus of tubular type according to claim 7, is characterized in that: described silk screen piece is gas-liquid filter net.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320600027.5U CN203565051U (en) | 2013-09-26 | 2013-09-26 | Pipe type pre-distribution device used for gas-liquid mixed feeding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320600027.5U CN203565051U (en) | 2013-09-26 | 2013-09-26 | Pipe type pre-distribution device used for gas-liquid mixed feeding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203565051U true CN203565051U (en) | 2014-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320600027.5U Expired - Lifetime CN203565051U (en) | 2013-09-26 | 2013-09-26 | Pipe type pre-distribution device used for gas-liquid mixed feeding |
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| CN (1) | CN203565051U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106267876A (en) * | 2016-10-28 | 2017-01-04 | 江苏恒神股份有限公司 | Rectifying column recycle stock enters tower apparatus and method |
-
2013
- 2013-09-26 CN CN201320600027.5U patent/CN203565051U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106267876A (en) * | 2016-10-28 | 2017-01-04 | 江苏恒神股份有限公司 | Rectifying column recycle stock enters tower apparatus and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140430 |
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| CX01 | Expiry of patent term |