CN200954445Y - Flat hydrogen-cooling box - Google Patents
Flat hydrogen-cooling box Download PDFInfo
- Publication number
- CN200954445Y CN200954445Y CN200620134123.5U CN200620134123U CN200954445Y CN 200954445 Y CN200954445 Y CN 200954445Y CN 200620134123 U CN200620134123 U CN 200620134123U CN 200954445 Y CN200954445 Y CN 200954445Y
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- Prior art keywords
- mixing
- cold hydrogen
- mixing chamber
- semi
- outlet
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Abstract
The utility model relates to a flat type hydrogen cooling box, which is an internal member of hydrogenation reactor used in petroleum refinery and chemical industrial hydrogenation device, comprising a hydrogen cooling tube, an interception plate, two semi-circular mixing channels, two mixing rooms, two anti-impact plates, two holed baffles and a sieve plate, two semi-circular mixing channels of the hydrogen cooling box are suspended below the interception plate, the inlet of the two semi-circular mixing channels is connected with the throttle orifices which are symmetrically arranged on the interception plate, the outlet of the two semi-circular mixing channels is connected with the upper part at the outer side of the mixing room, the mixture is guided to flow into the mixing room, the anti-impact plate is arranged in the mixing room, the holed baffles are symmetrically arranged on two sides at the outlet of the mixing room, as in the utility model the semi-circular mixing channels are suspended below the interception plate, the height of the hydrogen cooling box is saved, the semi-circular mixing channels prolong the mixing flow channel greatly, which is very advantageous for gas-liquid two-phase sufficient mixing and even heat exchange, therefore the utility model has the advantages of flat structure and excellent mixing heat- exchange performance.
Description
Technical field
The utility model belongs to petroleum refining and chemical industry equipment.A kind of reactor inner member that is used for petroleum refining and chemical industry hydrogenation plant of more specifically saying so.
Background technology
The effect of cold hydrogen box is to make cold hydrogen more abundant with mixing with heat exchange of hot logistics, makes the Temperature Distribution of mixture more even, is applicable to the fixed bed reactors in petroleum refining and the chemical industry.
By retrieval, be that the name that the applicant authorizes on September calendar year 2001 19 is called the Chinese utility model patent ZL00253961.6 of " spiral-flow type cold hydrogen box " with the immediate prior art of the utility model.And the utility model patent application is just to the further improvement of above-mentioned patent.
The design feature of the spiral-flow type cold hydrogen box that ZL00253961.6 announces is: be made of cold hydrogen tube, baffle plate, semicircle mixing road, tangential flow guiding pipe, blending bin, sieve tray; The inlet of two semicircle hybrid channels is arranged on the baffle plate radially symmetrically, and its outlet links to each other with an end of tangential flow guiding pipe, and the other end of tangential flow guiding pipe links to each other with blending bin, and the bottom centre of blending bin is provided with throttle orifice, and sieve tray is positioned at the blending bin bottom.Its advantage is that this cold hydrogen box can make cold hydrogen more abundant with mixing of hot logistics, makes the Temperature Distribution of mixing logistics more even.
By further practice, find that there is spatial altitude shortcoming bigger than normal in this spiral-flow type cold hydrogen box.The spiral-flow type cold hydrogen box that ZL00253961.6 announces is a three-decker, must take bigger height and could guarantee mixing and the heat exchange effect of cold hydrogen and hot logistics, so cause the increase of cold hydrogen box height.Spatial altitude shortcoming bigger than normal has reduced the space availability ratio of reactor, has increased construction investment.Along with oil refining with chemical plant installations to large scale development, reactor diameter increases rapidly; Because the space of HTHP is very expensive in the reactor, need make every effort to make full use of its space loading catalyst; Particularly under the trend that device maximizes, spatial altitude shortcoming bigger than normal can be more outstanding.
The prior art more approaching with the utility model also has a kind of convection type cold hydrogen box commonly used.This cold hydrogen box is made up of baffle plate, throttle orifice cap, intercepter plate, mixing chamber.The shortcoming of this convection type cold hydrogen box is because the mixing runner is short partially, and the time of staying of fluid in cold hydrogen box is short, thereby causes mixing and heat exchange inhomogeneous, poor effect.
Summary of the invention
The purpose of this utility model just is at the short partially uneven problem of mixed heat transfer in above-mentioned spiral-flow type cold hydrogen box structure space height convection type cold hydrogen box bigger than normal and commonly used mixing road, by improving the structural design of cold hydrogen box, under the prerequisite that improves the cold hydrogen box performance, effectively reduce the structure space height of cold hydrogen box, in flat space, pass through special structural design, prolong and mix the runner and the time of staying, realize that the gas-liquid two-phase logistics fully mixes and heat exchange.
In order to achieve the above object, the technical solution adopted in the utility model is: this flat cold hydrogen box is divided into two-layer up and down, is made up of semicircle road, two mixing chambers, two impingement baffles, two perforated baffles and the sieve tray of mixing of cold hydrogen tube, intercepter plate, two; Two semicircle roads that mix of this cold hydrogen box are suspended on the intercepter plate below, and its inlet links to each other with symmetrically arranged two throttle orifices on the intercepter plate, and the top in the outlet and the mixing chamber outside joins, and the mixture conductance is gone into mixing chamber.Impingement baffle is set in the mixing chamber, and the mixing chamber outlet bilateral symmetry is provided with perforated baffle.Perforated baffle is installed in the bilateral symmetry of mixing chamber outlet, and has a plurality of apertures on the baffle plate; Impingement baffle be arc and have an a few small holes; Cold hydrogen tube is the circular configuration with two parallel arms, a large amount of spray orifice of the inside and outside both sides distribution of cold hydrogen tube; The mixing chamber outlet cross-sectional constriction.
Because the semicircle road that mixes of the present utility model is suspended on the intercepter plate below, with mixing chamber at same one deck, and only take the space of partially mixed chamber height, so do not need independently height space, effectively reduce the height of cold hydrogen box, overcome spiral-flow type cold hydrogen box height shortcoming bigger than normal, thereby formed flat mixed structure.
Because semicircle hybrid channel connects throttle orifice and mixing chamber, the semicircle inlet that mixes the road connects throttle orifice, gas-fluid two-phase mixture stream enters the semicircle road that mixes from throttle orifice, because the semicircle road length of mixing is big, for the mixing and the heat exchange of gas-liquid two-phase provides the greater room and the longer time of staying, help mixed heat transfer even.The end in semicircle mixing road and the top in the mixing chamber outside join, and the mixture conductance is gone into mixing chamber.Owing to impingement baffle is set in the mixing chamber, the arc impingement baffle avoids fluid directly to go out mixing chamber after the outflow of mixing road with semicircle to mix the road terminal relative, flows out mixing chamber again after forcing fluid to stream from the impingement baffle both sides; Impingement baffle has improved the turbulivity of fluid when prolonging runner, it is even to help mixed heat transfer, and the aperture on the impingement baffle helps reducing pressure drop.Because the mixing chamber outlet bilateral symmetry is provided with perforated baffle; Two fluid streams flow out back generation convection current collision to the both sides shunting from the mixing chamber of symmetric arrangement respectively, force fluid further to be shunted to both sides at the perforated baffle that the mixing chamber outlet bilateral symmetry is provided with, and have small volume of fluid to enter the baffle plate outside from perforate simultaneously.The effect of perforated baffle is fluid can be assigned to entire cross section more uniformly, thereby has strengthened the mixed heat transfer effect.Because the mixing chamber outlet cross-sectional constriction, shrink the outlet can improve flowing velocity, increases the kinetic energy of two fluid streams convection current collision, has further strengthened the mixed heat transfer effect.
The utility model has been saved the cold hydrogen box height because the semicircle road that mixes is suspended on the intercepter plate below; Because the semicircle road that mixes has prolonged the mixing runner significantly, it is even to help the abundant mixed heat transfer of gas-liquid two-phase, therefore the utlity model has the advantage of flat structure and mixed heat transfer function admirable.
Below in conjunction with the drawings and specific embodiments the utility model is done explanation in further detail.
Description of drawings
Fig. 1 is the structural representation of the flat cold hydrogen box of the utility model
Fig. 2 is the vertical view of the flat cold hydrogen box of the utility model
Fig. 3 is lower floor's cross section view of the flat cold hydrogen box of the utility model
Fig. 4 is the schematic diagram in the flow field of the flat cold hydrogen box of the utility model lower floor
The specific embodiment
As Fig. 1, Fig. 2 and shown in Figure 3, this flat cold hydrogen box comprises cold hydrogen tube 1, intercepter plate 2, two semicircle road 3, two mixing chambers 4, two impingement baffles 5, two perforated baffles 6 and sieve trays 7 of mixing, its characteristics are that the semicircle mixing of two of this cold hydrogen box road 3 is suspended on the below of intercepter plate 2, its inlet links to each other with symmetrically arranged throttle orifice 8 on the intercepter plate 2, the top in the outlet and mixing chamber 4 outsides joins, the mixture conductance is gone into mixing chamber 4, impingement baffle 5 is set in the mixing chamber 4, and mixing chamber 4 outlet bilateral symmetry are provided with perforated baffle 6.
As depicted in figs. 1 and 2, perforated baffle 6 is installed in the bilateral symmetry of mixing chamber 4 outlets, and has a plurality of apertures on the baffle plate.
As shown in figures 1 and 3, impingement baffle 5 is arcs, has a few small holes on the impingement baffle 5.
As shown in figures 1 and 3, cold hydrogen tube 1 is the circular configuration with two parallel arms, a large amount of spray orifice 9 of the inside and outside both sides distribution of cold hydrogen tube.
As shown in figures 1 and 3, outlet 10 cross-sectional constriction of mixing chamber 4.
The flat cold hydrogen box course of work of the present utility model is as shown in Figure 1, Figure 2, Figure 3 and Figure 4: at first carry out premixed from the High Temperature Gas liquid mixture material of last beds and low temperature hydrogen from spray orifice 9 ejections of cold hydrogen tube 1 above intercepter plate 2, two throttle orifices 8 through symmetric arrangement on the intercepter plate 2 enter the semicircle road 3 that mixes then.Mix the abundant mixed heat transfer of gas-liquid two-phase material in the road 3 in semicircle, enter mixing chamber 4 through the semicircle road 3 back logistics that mix.Impingement baffle 5 is set in the mixing chamber 4, flows out mixing chamber 4 again after forcing fluid to stream, avoid fluid directly to go out mixing chamber 4 after road 3 flows out from mixing from impingement baffle 5 both sides.Impingement baffle 5 has improved the turbulivity of fluid again when prolonging runner, it is even to help mixed heat transfer, and impingement baffle 5 has a few small holes and helps reducing pressure drop.Fluid flows out from mixing chamber through impingement baffle 5 backs, with the fluid that flows out from offside mixing chamber 4 strong convection current collision taking place shunts to both sides, force fluid further to the both sides shunting at the perforated baffle 6 that mixing chamber 4 outlet bilateral symmetry are provided with, have small volume of fluid to enter the baffle plate outside simultaneously from perforate.The effect of perforated baffle 6 is fluid can be assigned to entire cross section more uniformly, and further strengthens the mixed heat transfer effect.Final gas-liquid two-phase fluid flows out cold hydrogen box from the sieve aperture of sieve tray 7.
Because the semicircle road that mixes is suspended on the intercepter plate below, saved the cold hydrogen box height; Because The semicircle road that mixes has greatly prolonged the mixing runner, is very beneficial for gas-liquid two-phase and fully mixes Heat exchange is even, therefore the utlity model has the advantage of flat structure and mixed heat transfer function admirable.
Claims (5)
1. flat cold hydrogen box, comprise cold hydrogen tube (1), intercepter plate (2), two semicircle road (3), two mixing chambers (4), two impingement baffles (5), two perforated baffles (6) and sieve trays (7) of mixing, it is characterized in that two semicircle mixing roads (3) of this cold hydrogen box are suspended on the below of intercepter plate (2), its inlet is gone up symmetrically arranged throttle orifice (8) with intercepter plate (2) and is linked to each other, and the top in the outlet and mixing chamber (4) outside joins; Impingement baffle (5) is set in the mixing chamber; Mixing chamber (4) outlet bilateral symmetry is provided with perforated baffle (6).
2. flat cold hydrogen box according to claim 1 is characterized in that the bilateral symmetry installation of described perforated baffle (6) in mixing chamber (4) outlet, and has a plurality of apertures on the baffle plate.
3. flat cold hydrogen box according to claim 1 is characterized in that described impingement baffle (5) is an arc, and impingement baffle has a few small holes on (5).
4. flat cold hydrogen box according to claim 1 is characterized in that described cold hydrogen tube (1) is the circular configuration with two parallel arms, a large amount of spray orifice (9) of the inside and outside both sides distribution of cold hydrogen tube.
5. flat cold hydrogen box according to claim 1 is characterized in that outlet (10) cross-sectional constriction of described mixing chamber (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200620134123.5U CN200954445Y (en) | 2006-10-20 | 2006-10-20 | Flat hydrogen-cooling box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200620134123.5U CN200954445Y (en) | 2006-10-20 | 2006-10-20 | Flat hydrogen-cooling box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200954445Y true CN200954445Y (en) | 2007-10-03 |
Family
ID=38773029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200620134123.5U Expired - Lifetime CN200954445Y (en) | 2006-10-20 | 2006-10-20 | Flat hydrogen-cooling box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200954445Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013131386A1 (en) * | 2012-03-09 | 2013-09-12 | 大连理工大学 | Method for continuously preparing water-soluble azo dye by coupling atomizer with pipeline |
| CN103446957A (en) * | 2012-05-28 | 2013-12-18 | 中国石油天然气股份有限公司 | Cold hydrogen propelled spiral-flow type cold hydrogen box |
| CN111659321A (en) * | 2020-06-15 | 2020-09-15 | 中国石油化工股份有限公司 | Hydrogen cooling box for hydrogenation reactor |
| CN111659320A (en) * | 2020-06-15 | 2020-09-15 | 中国石油化工股份有限公司 | Hydrogen cooling box for hydrogenation reactor |
-
2006
- 2006-10-20 CN CN200620134123.5U patent/CN200954445Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013131386A1 (en) * | 2012-03-09 | 2013-09-12 | 大连理工大学 | Method for continuously preparing water-soluble azo dye by coupling atomizer with pipeline |
| US9394445B2 (en) | 2012-03-09 | 2016-07-19 | Dalian University Of Technology | Method for continuously preparing water-soluble azo dye by coupling a nebulizer with a pipeline |
| CN103446957A (en) * | 2012-05-28 | 2013-12-18 | 中国石油天然气股份有限公司 | Cold hydrogen propelled spiral-flow type cold hydrogen box |
| CN103446957B (en) * | 2012-05-28 | 2015-08-19 | 中国石油天然气股份有限公司 | The fasten cold hydrogen case of flow that a kind of cold hydrogen advances |
| CN111659321A (en) * | 2020-06-15 | 2020-09-15 | 中国石油化工股份有限公司 | Hydrogen cooling box for hydrogenation reactor |
| CN111659320A (en) * | 2020-06-15 | 2020-09-15 | 中国石油化工股份有限公司 | Hydrogen cooling box for hydrogenation reactor |
| CN111659320B (en) * | 2020-06-15 | 2022-08-05 | 中国石油化工股份有限公司 | Hydrogen cooling box for hydrogenation reactor |
| CN111659321B (en) * | 2020-06-15 | 2022-08-05 | 中国石油化工股份有限公司 | Hydrogen cooling box for hydrogenation reactor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100029 Beijing City, Chaoyang District Hui Street No. 6 Co-patentee after: Sinopec Engineering Incorporation Patentee after: China Petrochemical Group Corp. Address before: 100029 Beijing City, Chaoyang District Hui Street No. 6 Co-patentee before: Engrg Construction Co., SINOPEC Patentee before: China Petrochemical Group Corp. |
|
| ASS | Succession or assignment of patent right |
Owner name: SINOPEC ENGINEERING INCORPORATION Free format text: FORMER OWNER: SINOPEC GROUP Effective date: 20130114 Free format text: FORMER OWNER: SINOPEC ENGINEERING INCORPORATION Effective date: 20130114 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100029 CHAOYANG, BEIJING TO: 100101 CHAOYANG, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130114 Address after: 100101, Beijing, Chaoyang District Ann Hui North Lane Ann Park, No. 21 Patentee after: Sinopec Engineering Incorporation Address before: 100029 Beijing City, Chaoyang District Hui Street No. 6 Patentee before: China Petrochemical Group Corp. Patentee before: Sinopec Engineering Incorporation |
|
| CX01 | Expiry of patent term |
Granted publication date: 20071003 |
|
| EXPY | Termination of patent right or utility model |