CN218131784U - Large-scale high-efficient mercury-free catalyst converter - Google Patents
Large-scale high-efficient mercury-free catalyst converter Download PDFInfo
- Publication number
- CN218131784U CN218131784U CN202221977857.5U CN202221977857U CN218131784U CN 218131784 U CN218131784 U CN 218131784U CN 202221977857 U CN202221977857 U CN 202221977857U CN 218131784 U CN218131784 U CN 218131784U
- Authority
- CN
- China
- Prior art keywords
- heat exchange
- converter
- converter body
- exchange tube
- scale high
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Physical Or Chemical Processes And Apparatus (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
Abstract
The utility model provides a large-scale high-efficient mercury-free catalyst converter, it includes: the converter comprises a converter body, wherein a liquid inlet pipe and a liquid outlet pipe which are communicated with the converter body are arranged on the converter body; the conical end enclosure is fixedly connected with the upper end of the converter body, and a reaction gas inlet is formed in the conical end enclosure; the elliptical sealing head is fixedly connected with the lower end of the converter body, and a reaction gas outlet is formed in the elliptical sealing head; the distributor is fixedly arranged in the conical end socket and is provided with an opening which diffuses from the center to the outer edge; the heat exchange tube is arranged in the converter body, the upper end of the heat exchange tube is communicated with the conical end socket, and the lower end of the heat exchange tube is communicated with the oval end socket. The utility model discloses the problem that the catalyst in having avoided one section distance in the heat exchange tube upper end is blown off easily.
Description
Technical Field
The utility model relates to a converter technical field especially relates to a large-scale high-efficient mercury-free catalyst converter.
Background
As the technology advances, the mercury chloride catalyst used in the calcium carbide method production process is gradually replaced by the noble metal catalyst, so as to achieve the purposes of no mercury and environmental protection. The converter is the key equipment in the production process of the calcium carbide method, and the upper end and the lower end of the converter in the prior art are both oval seal heads generally, such as a conversion device for polyvinyl chloride disclosed in CN 212549491U. The end socket is the most important compression element of a pressure container (including a polyvinyl chloride converter), an elliptical end socket with the ratio of the long axis to the short axis of a rotating elliptical spherical bus of 2.0 is commonly called as a standard elliptical end socket, in recent years, the spinning manufacturing process is adopted, convenience is brought to the manufacture of a large-diameter elliptical end socket, and the elliptical end socket has good comprehensive performance and is widely used for medium and low pressure containers.
However, in the actual operation process, due to the physical structure of the oval end socket, the distance between the reaction gas inlet and the upper part of the heat exchange tube is short, and the gas lacks a buffer space, so that the catalyst at the upper end of the heat exchange tube in a certain distance is easily blown out.
SUMMERY OF THE UTILITY MODEL
To exist not enough among the prior art, the utility model provides a large-scale high-efficient mercury-free catalyst converter, it has solved among the prior art reaction gas entry and heat exchange tube upper portion apart from near, and gas lacks buffer space, leads to the problem that catalyst in one section distance in the heat exchange tube upper end is blown off easily.
According to the utility model discloses an embodiment, a large-scale high-efficient mercury-free catalyst converter, it includes:
the converter comprises a converter body, wherein a liquid inlet pipe and a liquid outlet pipe which are communicated with the converter body are arranged on the converter body;
the conical end enclosure is fixedly connected with the upper end of the converter body, and a reaction gas inlet is formed in the conical end enclosure;
the elliptical end enclosure is fixedly connected with the lower end of the converter body, and a reaction gas outlet is formed in the elliptical end enclosure;
the distributor is fixedly arranged in the conical end socket and is provided with an opening which spreads from the center to the outer edge;
the heat exchange tube, the heat exchange tube sets up in the converter body, the heat exchange tube upper end with toper head intercommunication, lower extreme with oval head intercommunication, the toper head the heat exchange tube and oval head forms gas channel.
In the embodiment, the conical end socket is adopted at the upper end of the converter body, so that the reaction gas inlet is raised compared with the elliptical end socket, the distance between the reaction gas inlet and the upper part of the heat exchange tube is increased, namely, the stroke from gas to the heat exchange tube is increased, the gas buffering space is increased, and the problem that a catalyst in a distance at the upper end of the heat exchange tube is easily blown out is solved.
Further, the distributor is arranged at one third position of the lower end of the conical seal head.
Further, the diameter of the opening becomes gradually larger from the center of the distributor to the outer edge.
Further, the distributor is a conical structure protruding upwards, and the opening is formed in the conical surface of the conical structure.
Further, the opening is obliquely arranged, and the oblique square is consistent with the oblique square of the conical surface.
Furthermore, the upper end and the lower end of the converter body are respectively and fixedly connected with an upper tube plate and a lower tube plate, and the two ends of the heat exchange tube are respectively connected with the upper tube plate and the lower tube plate.
Compared with the prior art, the utility model discloses following beneficial effect has:
make the reaction gas entry oval head among the prior art raised relatively through the toper head, increased the stroke of gas between reaction gas entry and the heat exchange tube for gas buffering space increases, has consequently avoided the problem that the catalyst in a section distance in the heat exchange tube upper end is easily blown out.
Drawings
Fig. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
fig. 2 is a schematic top view of a distributor according to an embodiment of the present invention;
in the drawings, wherein:
the device comprises a converter body 1, a liquid inlet pipe 2, a liquid discharge pipe 3, a conical seal head 4, a reaction gas inlet 5, an elliptical seal head 6, a reaction gas outlet 7, a distributor 8, an opening 9, a heat exchange pipe 10, an upper pipe plate 11 and a lower pipe plate 12.
Detailed Description
The technical solution of the present invention is further explained with reference to the drawings and the embodiments.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1 and 2, the present embodiment provides a large-scale high-efficiency mercury-free catalytic converter, which includes:
the device comprises a converter body 1, wherein a liquid inlet pipe 2 and a liquid outlet pipe 3 which are communicated with the converter body 1 are arranged on the converter body 1;
the conical end socket 4 is fixedly connected with the upper end of the converter body 1, and a reaction gas inlet 5 is formed in the conical end socket 4;
the elliptical end socket 6 is fixedly connected with the lower end of the converter body 1, and a reaction gas outlet 7 is formed in the elliptical end socket 6;
the distributor 8 is fixedly arranged in the conical seal head 4, and an opening 9 which spreads from the center to the outer edge of the distributor 8 is formed in the distributor 8;
the heat exchange tube 10, the heat exchange tube 10 sets up in the converter body 1, the heat exchange tube 10 upper end with the toper head 4 intercommunication, the lower extreme with oval head 6 intercommunication, toper head 4 the heat exchange tube 10 and oval head 6 forms the gas channel.
In the embodiment, the conical end socket 4 is adopted at the upper end of the converter body 1, so that the reaction gas inlet 5 is raised compared with the elliptical end socket 6, the distance between the reaction gas inlet 5 and the upper part of the heat exchange tube 10 is increased, namely, the stroke from gas to the heat exchange tube 10 is increased, and the gas buffer space is increased, thereby avoiding the problem that the catalyst in a certain distance at the upper end of the heat exchange tube 10 is easily blown out;
specifically, reaction gas enters the conical end socket 4 from the reaction gas inlet 5, enters the gas channel after being distributed by the distributor 8, then enters the oval end socket 6 and is led out through the reaction gas outlet 7, heat exchange media are led into the converter body 1 through the liquid inlet pipe 2 and are led out through the liquid outlet pipe, and heat exchange between the heat exchange media and the reaction gas is realized through the heat exchange pipe 10 in the converter body 1.
The large-scale high-efficient mercury-free catalyst converter that this embodiment provided increases the diameter to DN3800 by former DN3200, can increase heat exchange tube 10 quantity, and heat exchange tube 10 increases the back in quantity, and heat exchange area enlarges 30-40% than originally, and the reaction ability can strengthen, thereby has reduced the input volume of equipment and has reduced the earlier stage input of enterprise.
As shown in fig. 1 and 2, preferably, the distributor 8 is disposed at one third of the lower end of the conical end socket 4, so that the stroke of the reaction gas between the reaction gas inlet 5 and the distributor 8 is increased, the impact of the reaction gas on the converter is reduced, and the reaction gas is more uniformly diffused through the openings 9 on the distributor 8, thereby further reducing the impact of the reaction gas on the catalyst in the heat exchange tube 10, and better avoiding the problem that the catalyst is flushed out.
As shown in fig. 1 and 2, the diameter of the opening 9 is preferably gradually increased from the center of the distributor 8 to the outer edge, so that most of the reaction gas is diffused outwards from the center of the distributor 8 and then passes through the opening 9, and the distribution effect is better;
further, the distributor 8 is a conical structure protruding upwards, and the opening 9 is arranged on the conical surface of the conical structure, and the arranged conical structure also enables the reaction gas to diffuse outwards from the center of the distributor 8;
furthermore, the opening 9 is obliquely arranged, and the oblique square is consistent with the oblique square of the conical surface, so that the opened opening 9 can distribute the reaction gas more uniformly and better.
As shown in fig. 1, further, the upper end and the lower end of the converter body 1 are respectively and fixedly connected with an upper tube plate 11 and a lower tube plate 12, the two ends of the heat exchange tube 10 are respectively connected with the upper tube plate 11 and the lower tube plate 12, the upper tube plate 11 and the lower tube plate 12 provide an installation basis for the heat exchange tube 10, and reaction gas is prevented from entering the converter body 1 by preventing the converter body 1 from being directly communicated with an upper end enclosure and a lower end enclosure; specifically, a plurality of heat exchange tubes 10 are connected between an upper tube plate 11 and a lower tube plate 12, and the reaction gas distributor 8 is distributed to uniformly enter each heat exchange tube 10.
In this embodiment, the heat exchange tube 10 is welded to the upper tube plate 11 and the lower tube plate 12 and then subjected to heat treatment, and then subjected to mechanical expansion by using a mechanical tube expander, so that the joints of the heat exchange tube 10 to the upper tube plate 11 and the lower tube plate 12 can be effectively prevented from being corroded, and further, the reaction gas is prevented from leaking into the converter body 1 to corrode the welded joints; particularly, one heat exchange tube 10 positioned in the center of the upper tube plate 11 is ground to be flush with the upper tube plate 11, so that reaction liquid can conveniently flow in, and the corrosion caused by accumulated liquid at the joint of the upper tube plate 11 and the heat exchange tube 10 after the equipment is used for a long time is prevented.
Finally, it is noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (6)
1. A large-scale high-efficiency mercury-free catalytic converter is characterized by comprising:
the converter comprises a converter body, wherein a liquid inlet pipe and a liquid outlet pipe which are communicated with the converter body are arranged on the converter body;
the conical end enclosure is fixedly connected with the upper end of the converter body, and a reaction gas inlet is formed in the conical end enclosure;
the elliptical sealing head is fixedly connected with the lower end of the converter body, and a reaction gas outlet is formed in the elliptical sealing head;
the distributor is fixedly arranged in the conical end socket and is provided with an opening which diffuses from the center to the outer edge;
the heat exchange tube is arranged in the converter body, the upper end of the heat exchange tube is communicated with the conical end socket, and the lower end of the heat exchange tube is communicated with the oval end socket.
2. The large-scale high-efficiency mercury-free catalytic converter according to claim 1, wherein the distributor is disposed at a third position of the lower end of the conical head.
3. The large scale high efficiency mercury-free catalytic converter as claimed in claim 1, wherein the diameter of said openings becomes larger from the center of said distributor to the outer edge.
4. The large-scale high-efficiency mercury-free catalytic converter according to claim 1, wherein an upper tube plate and a lower tube plate are fixedly connected to the upper end and the lower end of the converter body respectively, and two ends of the heat exchange tube are connected to the upper tube plate and the lower tube plate respectively.
5. The large-scale high-efficiency mercury-free catalytic converter according to any of claims 1-4, wherein the distributor is a cone-shaped structure protruding upwards and the openings are arranged on the cone surface of the cone-shaped structure.
6. The large scale high efficiency mercury-free catalytic converter as claimed in claim 5, wherein said opening is disposed obliquely and the oblique square shape is identical to the oblique square shape of said tapered surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221977857.5U CN218131784U (en) | 2022-07-29 | 2022-07-29 | Large-scale high-efficient mercury-free catalyst converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221977857.5U CN218131784U (en) | 2022-07-29 | 2022-07-29 | Large-scale high-efficient mercury-free catalyst converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218131784U true CN218131784U (en) | 2022-12-27 |
Family
ID=84596638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221977857.5U Active CN218131784U (en) | 2022-07-29 | 2022-07-29 | Large-scale high-efficient mercury-free catalyst converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218131784U (en) |
-
2022
- 2022-07-29 CN CN202221977857.5U patent/CN218131784U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201170703Y (en) | Supporting device for heat exchange tube bundle | |
| CN218131784U (en) | Large-scale high-efficient mercury-free catalyst converter | |
| CN211366978U (en) | Polycrystalline silicon reduction furnace and tail gas pipe group thereof | |
| CN207073972U (en) | A kind of coolant distributor | |
| CN218307857U (en) | Novel environment-friendly mercury-free vinyl chloride converter comprising conical distributor | |
| CN201803490U (en) | Split solar collector | |
| CN201053843Y (en) | Plate and pipe type heat exchanger | |
| CN220126163U (en) | Liquid feeding distribution pipe for packed tower | |
| CN209386615U (en) | A kind of U-shaped connector type parallel-flow evaporator | |
| CN210040464U (en) | Special-shaped collecting pipe and cooling plate using same | |
| CN202974018U (en) | Dual-inlet pipe and micro-passageway heat exchanger structure | |
| CN113059320A (en) | Hole drawing process for thin-wall stainless steel hard tube assembly | |
| CN216566790U (en) | Graphite tube nest heat exchanger | |
| CN217302088U (en) | Assembled pipe fitting connects convenient to installation | |
| CN212523649U (en) | Flow equalizing structure of large-diameter tower body and large-diameter tower body | |
| CN205084429U (en) | Corrosion -resistant triple -effect evaporator | |
| CN217604788U (en) | Shell of noise-reduction shell-and-tube heat exchanger | |
| CN215864855U (en) | Channel block structure convenient to pipeline backward flow separation | |
| CN218764802U (en) | Flow field rectifying device of cross-flow plate-fin heat exchanger | |
| CN215177107U (en) | Heat exchanger with improved tube plate | |
| CN218485942U (en) | Multi-cavity mercury-free catalyst converter capable of preventing leakage | |
| CN220288354U (en) | High-strength special-shaped collecting pipe of aluminum radiator | |
| CN220250032U (en) | Ash removal device of micro negative pressure gas heat exchanger | |
| CN213515191U (en) | Tube type heat exchanger | |
| CN210467514U (en) | Stainless steel cooling pipe type forced oil circulation air cooler for transformer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |