CN201776148U - Epoxy ethane reactor support grid - Google Patents
Epoxy ethane reactor support grid Download PDFInfo
- Publication number
- CN201776148U CN201776148U CN2010202822116U CN201020282211U CN201776148U CN 201776148 U CN201776148 U CN 201776148U CN 2010202822116 U CN2010202822116 U CN 2010202822116U CN 201020282211 U CN201020282211 U CN 201020282211U CN 201776148 U CN201776148 U CN 201776148U
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Abstract
The utility model relates to an epoxy ethane reactor support grid, belonging to the technical field of chemical production equipment and used for ensuring the accurate positioning of an upper grid plate and a lower grid plate in the assembly of a tube-free plate and preventing welding deformation from influencing the accuracy after assembly. The utility model adopts the technical scheme that the epoxy ethane reactor support grid comprises the upper grid plate, the lower grid plate, a supporting ring, an upper part positioning plate and a lower part positioning plate, wherein the upper grid plate and the lower grid plate are assembled in to a diamond support grid plate through a slot, the upper positioning plate and the lower positioning are both circular metal rings, respectively arranged on the upper side and the lower side of the supporting ring and fixedly connected with the supporting ring, the incircle edges of the upper grid plate and the lower grid plate are larger than the internal circumference of the supporting ring, poisoning grooves with a plurality of openings are uniformly distributed along the circumference, and the outer ends of the upper grid plate and the lower grid plate are respectively embedded in the poisoning grooves. In the utility model, the upper positioning plate and the lower positioning are added, the upper grid plate and the lower grid plate are positioned by the poisoning grooves on the upper positioning plate and the lower positioning and then welded to avoid the welding deformation of the support grid, ensure the product quality and improve the production efficiency.
Description
Technical field
The utility model relates to a kind of ethylene oxide reactor internals, belongs to the chemical production equipment technical field.
Background technology
Ethylene oxide reactor is the nucleus equipment of ethylene oxide production, this reactor is a ultra-large type fixed tube sheet type heavy wall heat exchanger, its internals are had two ultra-large tube sheets in tens thousand of holes by upper and lower every tube sheet, slotted screen interfix is formed nine layers of support grid between two tube sheets, and every reaction tube passes upper perforated plate, 1#-9# nine layers of support grid diamond hole and lower perforated plate hole successively.Loading catalyst in the reaction tube, ethene and oxygen or air generate oxirane in pipe under catalyst action, emit a large amount of heat simultaneously, heat is via tube wall and support screen to conduct to the outer water of pipe, and the support grid play the supporting reactions pipe and increase heat exchange area.
This ethylene oxide reactor is supported grid, and compare following advantage with structures such as traditional deflection plate, plate-type heat-exchanges: the support grid that metallic plate is formed have increased heat exchange area, so the heat exchange efficiency height; Fluid can pass through from gap between heat exchanger tube and prismatic hole, and fluid resistance is little, and heat conduction is even; The reaction tube wall closely contacts with supporting grid diamond hole inwall, plays fixedly stay pipe, prevents surge.But, find that in use the upper and lower screen of former design is directly welded in supports on the circle that when no tube sheet was assembled, screen can't accurately be located, especially the distortion of welding back causes the poling difficulty, even causes and support grid to scrap necessary the improvement.
Summary of the invention
Technical problem to be solved in the utility model provides and a kind ofly can guarantee not have tube sheet and assemble the accurate location of upper and lower screen, and can prevent that the ethylene oxide reactor of welding deformation influence assembling back precision from supporting grid.
The technical scheme that solves the problems of the technologies described above is:
A kind of ethylene oxide reactor is supported grid, it comprises top grating, lower grid plate, support circle, top grating and lower grid plate have respectively a plurality of downwards and the slot that upwardly opens, top grating and lower grid plate are supported screen by these groups of slots diamondwises, its improvements are, it also has top location-plate and bottom location-plate, top location-plate and bottom location-plate are the circular ring metal circle, lay respectively at support the top of circle and below, fixedly connected with the support circle, their cylindrical matches with the periphery of supporting circle, the internal circle edge is greater than the inner periphery of supporting circle, and be evenly distributed with the locating slot of a plurality of openings along circumference, and the position of locating slot is corresponding with the outer end of each screen of top grating and lower grid plate respectively, and the outer end of each screen of top grating and lower grid plate embeds in the locating slot respectively.
Above-mentioned ethylene oxide reactor is supported grid, and described lower grid plate two ends upper surface has and the corresponding breach of top location-plate width, and the thickness of breach is identical with the thickness of top location-plate, and lower grid plate and bottom location-plate and support circle are welded to connect respectively.
Above-mentioned ethylene oxide reactor is supported grid, and described top grating two ends lower surface has and the corresponding breach of bottom location-plate width, and the thickness of breach is identical with the thickness of bottom location-plate, and top grating and top location-plate and support circle are welded to connect respectively.
Above-mentioned ethylene oxide reactor is supported grid, and described top location-plate and bottom location-plate are integral circular shape, or the annular of forming for segmentation, and top location-plate and bottom location-plate adopt the bolt connection with supporting being connected of circle, or employing is welded to connect.
The utility model has increased top location-plate and bottom location-plate, they are connected with lower grid plate with top grating respectively, locating slot on top location-plate and the bottom location-plate is with top grating and lower grid plate location, and then weld, avoided supporting the welding deformation of grid, guarantee the quality of product, improved production efficiency.
Description of drawings
Fig. 1 is a front view of the present utility model;
Fig. 2 is the partial enlarged drawing of Fig. 1;
Fig. 3 is bottom location-plate figure of the present utility model;
Fig. 4 is top location-plate figure of the present utility model;
Fig. 5 is lower grid plate figure of the present utility model;
Fig. 6 is top grating figure of the present utility model;
Fig. 7 is upper and lower part location-plate and support circle, lower grid plate connection diagram;
Fig. 8 is upper and lower part location-plate and support circle, top grating connection diagram.
Mark is as follows among the figure: bottom location-plate 1, lower grid plate 2, top location-plate 3, top grating 4, support circle 5
The specific embodiment
Show among the figure that the utility model is made up of top grating 4, lower grid plate 2, support circle 5, top location-plate 3 and bottom location-plate 1.
Top grating 4 and lower grid plate 2 have respectively that a plurality of downwards and the slot that upwardly opens top grating 4 and lower grid plate 2 are supported screen by these groups of slots diamondwises, and rhombus supports have heat exchanger tube to pass through in the grid of screen.
Top location-plate 3 and bottom location-plate 1 are the circular ring metal circle, lay respectively at support the top of circle 5 and below, top location-plate 3 and bottom location-plate 1 are integral circular shape, or the annular of forming for segmentation, top location-plate 3 adopts bolt to be connected with supporting circle 5 with bottom location-plate 1, or employing is welded to connect.The cylindrical of top location-plate 3 and bottom location-plate 1 and the identical size of periphery of supporting circle 5, the internal circle edge is greater than the inner periphery of supporting circle 5, and being evenly distributed with the locating slot of a plurality of openings along circumference, the two ends of top grating 4 and lower grid plate 2 are embedded into respectively in the locating slot of top location-plate 3 and bottom location-plate 1 inner periphery.
Show among the figure, because the two ends of the corresponding top grating 4 of the locating slot of top location-plate 3, only allow the two ends of top grating 4 to embed, and lower grid plate 2 can not embed, therefore lower grid plate 2 two ends upper surfaces have and the corresponding breach of top location-plate 3 width, the thickness of breach is identical with the thickness of top location-plate 3, goes up location-plate 3 when mounted like this, and lower grid plate 2 two ends upper surfaces can not cause obstruction.
In like manner, top grating 4 two ends lower surfaces have same breach.
Installation process of the present utility model is as follows:
Bottom location-plate 1 is put at platform in order, adjusted cylindrical and draw round the coincidence, and adjust angle with platform.
Top location-plate 3 is packed into from top, top grating 4 by top location-plate 3 each locating slot adjust, measure, the location, top grating and lower grid plate clamp and weld, the lower grid plate weldering touches down the plane with dado joint, top grating weldering and plane on slot contacts.
Support girth sheets 5 and top location- plate 3 and 1 welding of bottom location-plate.
Claims (4)
1. an ethylene oxide reactor is supported grid, it comprises top grating [4], lower grid plate [2], support circle [5], top grating [4] and lower grid plate [2] have respectively a plurality of downwards and the slot that upwardly opens, top grating [4] and lower grid plate [2] are supported screen by these groups of slots diamondwises, it is characterized in that: it also has top location-plate [3] and bottom location-plate [1], top location-plate [3] and bottom location-plate [1] are the circular ring metal circle, lay respectively at support the top of circle [5] and below, fixedly connected with support circle [5], their cylindrical matches with the periphery of supporting circle [5], the internal circle edge is greater than the inner periphery of supporting circle [5], and be evenly distributed with the locating slot of a plurality of openings along circumference, the position of locating slot is corresponding with the outer end of each screen of top grating [4] and lower grid plate [2] respectively, and the outer end of each screen of top grating [4] and lower grid plate [2] embeds in the locating slot respectively.
2. ethylene oxide reactor according to claim 1 is supported grid, it is characterized in that: described lower grid plate [2] two ends upper surface has and the corresponding breach of top location-plate [3] width, the thickness of breach is identical with the thickness of top location-plate [3], and lower grid plate [2] is with bottom location-plate [1] and support circle [5] to be welded to connect respectively.
3. ethylene oxide reactor according to claim 2 is supported grid, it is characterized in that: described top grating [4] two ends lower surface has and the corresponding breach of bottom location-plate [1] width, the thickness of breach is identical with the thickness of bottom location-plate [1], and top grating [4] is with top location-plate [3] and support circle [5] to be welded to connect respectively.
4. ethylene oxide reactor according to claim 3 is supported grid, it is characterized in that: described top location-plate [3] and bottom location-plate [1] are integral circular shape, or the annular of forming for segmentation, top location-plate [3] adopts bolt to connect with bottom location-plate [1] with supporting being connected of circle [5], or employing is welded to connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202822116U CN201776148U (en) | 2010-08-05 | 2010-08-05 | Epoxy ethane reactor support grid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202822116U CN201776148U (en) | 2010-08-05 | 2010-08-05 | Epoxy ethane reactor support grid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201776148U true CN201776148U (en) | 2011-03-30 |
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ID=43789381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202822116U Expired - Lifetime CN201776148U (en) | 2010-08-05 | 2010-08-05 | Epoxy ethane reactor support grid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201776148U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106237935A (en) * | 2016-08-19 | 2016-12-21 | 无锡市华立石化工程有限公司 | The fixing reaction bed of the novel oxidator of methanol without tube sheet |
| CN110340569A (en) * | 2018-04-02 | 2019-10-18 | 兰州兰石重型装备股份有限公司 | A kind of deflecting fence assembly tool and its application method |
-
2010
- 2010-08-05 CN CN2010202822116U patent/CN201776148U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106237935A (en) * | 2016-08-19 | 2016-12-21 | 无锡市华立石化工程有限公司 | The fixing reaction bed of the novel oxidator of methanol without tube sheet |
| CN110340569A (en) * | 2018-04-02 | 2019-10-18 | 兰州兰石重型装备股份有限公司 | A kind of deflecting fence assembly tool and its application 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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110330 |