CN217910345U - Fused salt circulating heat exchange system for phthalic anhydride oxidation reaction adjacent production - Google Patents
Fused salt circulating heat exchange system for phthalic anhydride oxidation reaction adjacent production Download PDFInfo
- Publication number
- CN217910345U CN217910345U CN202221681017.4U CN202221681017U CN217910345U CN 217910345 U CN217910345 U CN 217910345U CN 202221681017 U CN202221681017 U CN 202221681017U CN 217910345 U CN217910345 U CN 217910345U
- Authority
- CN
- China
- Prior art keywords
- air duct
- air
- pipeline
- phthalic anhydride
- oxidation reaction
- 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)
Abstract
The utility model discloses a fused salt circulation heat transfer system for phthalic anhydride oxidation reaction adjacent method production relates to the equipment technical field of phthalic anhydride oxidation reaction adjacent method production, and the pipeline of being convenient for is connected with oxidation reactor, fused salt cooler and high temperature steam package, and its technical scheme main points are: all be equipped with the communicating pipe with the pipeline intercommunication on oxidation reactor, fused salt cooler and the high temperature steam package, communicating pipe is equipped with the first air vent of hemisphere with the one end intercommunication of pipe connection, the pipeline is equipped with hemispherical second air vent towards the one end intercommunication of first air vent, first air vent and second air vent pass through the connecting piece and connect.
Description
Technical Field
The utility model relates to an equipment technical field of phthalic anhydride oxidation reaction adjacent method production, more specifically say, it relates to a fused salt circulation heat transfer system that is used for phthalic anhydride oxidation reaction adjacent method production.
Background
In the prior art, in the phthalic anhydride oxidation reaction ortho-method production process, the key to ensure that the phthalic anhydride oxidation reaction can be smoothly carried out is to control the temperature of the used molten salt, so that the temperature of the molten salt is stable without great fluctuation.
The Chinese patent with publication number CN202063854U discloses a fused salt circulation heat exchange system for phthalic anhydride oxidation reaction adjacent production, which comprises an oxidation reactor, a fused salt cooler and a high-temperature steam bag for controlling pressure and water temperature by outputting high-temperature steam, wherein two axial-flow pumps are arranged on the oxidation reactor, and the oxidation reactor, the fused salt cooler and the high-temperature steam bag are communicated through two pipelines in sequence. But does not disclose the connection structure between the pipe and the oxidation reactor, the molten salt cooler, and the high-temperature steam drum, and thus the present application provides a connection structure of the pipe and the equipment.
Disclosure of Invention
The utility model aims at providing a fused salt circulation heat transfer system for phthalic anhydride oxidation reaction adjacent method production, its advantage lies in, is convenient for the pipeline and oxidation reactor, fused salt cooler and the connection of high temperature steam package.
The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a fused salt circulation heat transfer system for phthalic anhydride oxidation reaction adjacent method production, includes oxidation reactor, fused salt cooler and comes the high temperature steam package of control pressure and temperature through output high temperature steam, be equipped with two axial-flow pumps on the oxidation reactor, loop through two pipeline intercommunications between this oxidation reactor, fused salt cooler and the high temperature steam package, all be equipped with the communicating pipe with the pipeline intercommunication on oxidation reactor, fused salt cooler and the high temperature steam package, communicating pipe is equipped with the first air vent of hemisphere with the one end intercommunication of pipe connection, the pipeline is equipped with hemispherical second air vent towards the one end intercommunication of first air vent, first air vent and second air vent pass through the connecting piece and connect.
Through adopting above-mentioned technical scheme, the pipeline is with oxidation reactor in proper order, fused salt cooler and high temperature steam package intercommunication, oxidation reactor this moment, communicating pipe on fused salt cooler and the high temperature steam package is through first air flue and the interior material that carries the flow of second air flue toward the pipeline, first air flue and second air flue are the hemisphere and are convenient for the material and cushion in the space that first air flue and second air flue formed this moment, and then flow to in the pipeline, perhaps follow the pipeline in the material that flows out and get into communicating pipe through first air flue and second air flue, the setting of connecting piece is convenient for fix the pipeline on communicating pipe, satisfy the operation requirement.
Preferably: the connecting piece is including setting up the annular go-between at the one end outer wall that first air flue and second air flue contradict each other, two the go-between contradicts each other and passes through locking bolted connection, two be equipped with the sealing washer between the go-between.
Preferably: the quantity of sealing washer is two, and each the sealing washer sets up with one heart and the diameter is to keeping away from pipeline central line direction crescent, set up the first embedded groove that supplies the embedding of sealing washer part on the go-between anchor ring face on the first air vent, set up the second embedded groove that supplies the embedding of sealing washer part on the go-between anchor ring face on the second air vent, the diameter of first embedded groove is less than the diameter of second embedded groove.
Preferably: the utility model discloses a pipeline, including pipeline, second air flue, connecting piece, clamp plate, first air flue, second air flue, pipeline, the spherical, and sphere, the spherical slides and contacts with first air flue inner wall, the one end that the pipeline was kept away from to second air flue is seted up and is supplied second air flue at first air flue internal rotation breach and first air flue intercommunication, the connecting piece is including setting up the annular clamp plate at second air flue outer wall, the clamp plate is the spherical just the clamp plate is equipped with first connecting plate towards the one end of first air flue, be equipped with the second connecting plate of contradicting with first connecting plate on the first air flue, first connecting plate and second connecting plate pass through fastening bolt and connect, the one end of second air flue is extended the clamp plate and is deviated from the one end of first air flue, just the sphere at clamp plate and first air flue place is same sphere, there is the clearance between clamp plate and the pipeline.
Preferably: and the pressing plate is provided with a limiting part for limiting the second air passage to rotate.
Preferably: the locating part includes the check lock of threaded connection on the clamp plate, the one end of check lock passes the clamp plate and contradicts with second air channel outer wall.
Preferably: and a sealing gasket is arranged between the first connecting plate and the second connecting plate.
To sum up, the utility model discloses following beneficial effect has: the pipeline is with oxidation reactor in proper order, fused salt cooler and high temperature steam package intercommunication, oxidation reactor this moment, the substance that the intercommunication pipe on fused salt cooler and the high temperature steam package carried the flow in through first air vent and second air vent toward the pipeline, first air vent and second air vent are the hemisphere and are convenient for the substance and cushion in the space that first air vent and second air vent formed this moment, and then flow to in the pipeline, perhaps follow the pipeline in the material that flows out and get into communicating pipe through first air vent and second air vent, the setting of connecting piece is convenient for fix the pipeline on communicating pipe, satisfy operation requirement.
Drawings
FIG. 1 is a schematic structural view of the present embodiment;
FIG. 2 is a schematic diagram of a connecting ring according to the present embodiment;
fig. 3 is a schematic structural diagram for embodying the first air duct and the second air duct in the present embodiment;
fig. 4 is a schematic structural diagram for embodying the pressure plate of the present embodiment.
In the figure: 1. a communicating pipe; 11. a pipeline; 12. a connecting ring; 121. locking the bolt; 122. a seal ring; 123. a first embedded groove; 124. a second embedded groove; 13. a first air duct; 14. a second vent passage; 15. a notch; 16. pressing a plate; 161. a first connecting plate; 162. a second connecting plate; 163. fastening a bolt; 17. a locking lever; 18. and a gasket.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
A fused salt circulation heat exchange system for phthalic anhydride oxidation reaction adjacent method production, as shown in figure 1 and figure 2, comprises an oxidation reactor, a fused salt cooler and a high-temperature steam bag for controlling pressure and water temperature by outputting high-temperature steam, two axial-flow pumps are arranged on the oxidation reactor, the fused salt cooler and the high-temperature steam bag are sequentially communicated through two pipelines 11, the oxidation reactor, the fused salt cooler and the high-temperature steam bag can refer to Chinese patent with the publication number of CN202063854U and disclose an oxidation reactor, a fused salt cooler and a high-temperature steam bag in the fused salt circulation heat exchange system for phthalic anhydride oxidation reaction adjacent method production, communicating pipes 1 communicated with the pipelines 11 are arranged on the oxidation reactor, the fused salt cooler and the high-temperature steam bag, a hemispherical first air duct 13 is communicated with one end of the communicating pipe 1 connected with the pipelines 11, a hemispherical second air duct 14 is communicated with one end of the pipelines 11 facing the first air duct 13, and the first air duct 13 and the second air duct 14 are connected through connecting pieces.
As shown in fig. 1 and 2, pipeline 11 is with oxidation reactor in proper order, molten salt cooler and high temperature steam package intercommunication, oxidation reactor this moment, communicating pipe 1 on molten salt cooler and the high temperature steam package is through first air flue 13 and second air flue 14 toward pipeline 11 in transport mobile material, first air flue 13 and second air flue 14 are the hemisphere and are convenient for the material and cushion in the space that first air flue 13 and second air flue 14 formed this moment, and then flow to in pipeline 11, perhaps the material that flows out in pipeline 11 passes through first air flue 13 and second air flue 14 and gets into communicating pipe 1, the setting of connecting piece is convenient for fix pipeline 11 on communicating pipe 1, satisfy the operation requirement.
As shown in fig. 1 and 2, the connecting member includes an annular connecting ring 12 disposed on an outer wall of one end where the first air duct 13 and the second air duct 14 abut against each other, the two connecting rings 12 abut against each other and are connected by a locking bolt 121, and a sealing ring 122 is disposed between the two connecting rings 12. At this time, the locking bolt 121 fixes the two connection rings 12, and thus fixes the first air passage 13 and the second air passage 14, so as to facilitate the communication between the communication pipe 1 and the pipe 11.
As shown in fig. 1 and 2, the number of the sealing rings 122 is two, each sealing ring 122 is concentrically arranged, and the diameter of each sealing ring 122 gradually increases towards the direction away from the center line of the pipeline 11, a first insertion groove 123 for partially inserting the sealing ring 122 is formed on the annular surface of the connecting ring 12 on the first air duct 13, a second insertion groove 124 for partially inserting the sealing ring 122 is formed on the annular surface of the connecting ring 12 on the second air duct 14, and the diameter of the first insertion groove 123 is smaller than that of the second insertion groove 124. At this time, when the locking bolt 121 gradually locks the two connecting rings 12, the connecting ring 12 of the second air duct 14 presses the sealing ring 122 of the connecting ring 12 on the first air duct 13, and at the same time, the connecting ring 12 of the first air duct 13 presses the sealing ring 122 of the connecting ring 12 on the second air duct 14, and at this time, the arrangement of the two sealing rings 122 increases the sealing performance between the two connecting rings 12.
As shown in fig. 3 and 4, or, the second air duct 14 is a hollow sphere, and the spherical surface slides and contacts the inner wall of the first air duct 13, one end of the second air duct 14, which is far away from the pipeline 11, is provided with a notch 15 for the second air duct 14 to rotate in the first air duct 13, and the notch 15 communicates the second air duct 14 with the pipeline 11 and the first air duct 13, the connector includes an annular pressure plate 16 disposed on the outer wall of the second air duct 14, the pressure plate 16 is a spherical surface, and one end of the pressure plate 16, which faces the first air duct 13, is provided with a first connection plate 161, the first air duct 13 is provided with a second connection plate 162 abutting against the first connection plate 161, the first connection plate 161 and the second connection plate 162 are connected by a fastening bolt 163, one end of the second air duct 14 extends out of the end of the pressure plate 16, which faces away from the first air duct 13, and the spherical surface where the pressure plate 16 and the first air duct 13 are located is the same spherical surface, and a gap exists between the pressure plate 16 and the pipeline 11.
As shown in fig. 3 and 4, the first connecting plate 161 and the second connecting plate 162 are connected by fastening bolts 163, at this time, the second vent passage 14 is limited in the first vent passage 13 by the pressure plate 16, the gap 15 and the clearance are arranged to facilitate the second vent passage 14 to rotate in the space formed by the first vent passage 13 and the pressure plate 16, so as to facilitate the position change of the pipeline 11 according to the positions of the oxidation reactor, the molten salt cooler and the high-temperature steam packet, and a sealing gasket 18 is arranged between the first connecting plate 161 and the second connecting plate 162 to reduce the seepage of flowing substances.
Referring to fig. 3 and 4, when the pipe 11 is rotated to a desired position, the pressing plate 16 is provided with a stopper for limiting the rotation of the second vent passage 14.
Referring to fig. 3 and 4, the stopper includes a locking rod 17 screwed to the pressing plate 16, and one end of the locking rod 17 passes through the pressing plate 16 and abuts against the outer wall of the second air passage 14. At this moment, the locking rod 17 is rotated, one end of the locking rod 17 is abutted to the outer wall of the second vent passage 14, so that the rotation of the second vent passage 14 is limited, flowing substances can flow between the communicating pipe 1 and the pipeline 11 conveniently, the locking rod 17 can be set to be a plurality of, and the limitation of the second vent passage 14 is facilitated to be enhanced.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. The utility model provides a fused salt circulation heat transfer system for phthalic anhydride oxidation reaction adjacent method production, includes oxidation reactor, fused salt cooler and controls the high temperature steam package of pressure and temperature through exporting high temperature steam, be equipped with two axial-flow pumps on the oxidation reactor, loop through two pipelines (11) intercommunication, characterized by between this oxidation reactor, fused salt cooler and the high temperature steam package: all be equipped with communicating pipe (1) with pipeline (11) intercommunication on oxidation reactor, fused salt cooler and the high temperature steam package, the one end intercommunication that communicating pipe (1) and pipeline (11) are connected is equipped with hemisphere first air channel (13), pipeline (11) are equipped with hemisphere second air channel (14) towards the one end intercommunication of first air channel (13), first air channel (13) and second air channel (14) are connected through the connecting piece.
2. The molten salt circulating heat exchange system for phthalic anhydride oxidation reaction ortho-process production according to claim 1, which is characterized in that: the connecting piece is including setting up at annular go-between (12) of the one end outer wall of first air flue (13) and second air flue (14) conflict each other, two go-between (12) conflict each other and connect through locking bolt (121), two be equipped with sealing washer (122) between go-between (12).
3. The molten salt circulating heat exchange system for phthalic anhydride oxidation reaction ortho-process production according to claim 2, which is characterized in that: the quantity of sealing washer (122) is two, and each sealing washer (122) concentric setting and diameter are to keeping away from pipeline (11) central line direction crescent, offer first embedded groove (123) that supply sealing washer (122) partial embedding on go-between (12) the anchor ring on first air passage (13), offer second embedded groove (124) that supply sealing washer (122) partial embedding on go-between (12) the anchor ring on second air passage (14), the diameter of first embedded groove (123) is less than the diameter of second embedded groove (124).
4. The molten salt circulating heat exchange system for phthalic anhydride oxidation reaction ortho-process production according to claim 1, which is characterized in that: the improved air duct structure is characterized in that the second air duct (14) is spherical, the spherical surface is in sliding contact with the inner wall of the first air duct (13), one end, far away from the pipeline (11), of the second air duct (14) is provided with a notch (15) for the second air duct (14) to rotate in the first air duct (13), the notch (15) enables the second air duct (14) to be communicated with the pipeline (11) and the first air duct (13), the connecting piece comprises an annular pressing plate (16) arranged on the outer wall of the second air duct (14), the pressing plate (16) is spherical, a first connecting plate (161) is arranged at one end, facing the first air duct (13), of the pressing plate (16), the first connecting plate (161) and the second connecting plate (162) are connected through a fastening bolt (163), one end of the second air duct (14) extends out of the pressing plate (16) and deviates from one end of the first air duct (13), the pressing plate (16) and the spherical surface and the first air duct (13) are located, and a gap exists between the pressing plate (16) and the spherical surface (11).
5. The molten salt circulating heat exchange system for phthalic anhydride oxidation reaction ortho-process production according to claim 4, which is characterized in that: the pressure plate (16) is provided with a limiting piece for limiting the rotation of the second air passage (14).
6. The molten salt circulating heat exchange system for phthalic anhydride oxidation reaction ortho-process production according to claim 5, which is characterized in that: the locating part comprises a locking rod (17) which is in threaded connection with the pressure plate (16), and one end of the locking rod (17) penetrates through the pressure plate (16) to be abutted against the outer wall of the second air vent channel (14).
7. The molten salt circulating heat exchange system for phthalic anhydride oxidation reaction ortho-process production according to claim 4, which is characterized in that: a sealing gasket (18) is arranged between the first connecting plate (161) and the second connecting plate (162).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221681017.4U CN217910345U (en) | 2022-07-01 | 2022-07-01 | Fused salt circulating heat exchange system for phthalic anhydride oxidation reaction adjacent production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221681017.4U CN217910345U (en) | 2022-07-01 | 2022-07-01 | Fused salt circulating heat exchange system for phthalic anhydride oxidation reaction adjacent production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217910345U true CN217910345U (en) | 2022-11-29 |
Family
ID=84183981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221681017.4U Active CN217910345U (en) | 2022-07-01 | 2022-07-01 | Fused salt circulating heat exchange system for phthalic anhydride oxidation reaction adjacent production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217910345U (en) |
-
2022
- 2022-07-01 CN CN202221681017.4U patent/CN217910345U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN217910345U (en) | Fused salt circulating heat exchange system for phthalic anhydride oxidation reaction adjacent production | |
| CN105617975A (en) | Supercritical reactor capable of realizing gaseous product heat exchange inside | |
| KR102445183B1 (en) | Carbon black reactor with cooling function | |
| CN211317023U (en) | Silicon carbide double-tube-plate heat exchanger | |
| CN201991577U (en) | Cylinder edge communicating device for ship steam turbines | |
| CN110822953B (en) | Heat exchanger suitable for high-temperature wide-pressure difference and heat exchange mechanism thereof | |
| CN208612404U (en) | A kind of fixed bed inside reactor gas distributor | |
| CN221551925U (en) | Thermal component integration device for fuel cell | |
| KR102685155B1 (en) | Carbon black reactor with cooling function | |
| CN216869263U (en) | Energy-concerving and environment-protective type chemical industry heat exchanger | |
| CN215982767U (en) | Heat exchange station bypass pipeline system | |
| CN112577348B (en) | Sleeved shell of round block hole type graphite heat exchanger and production process thereof | |
| CN219453656U (en) | Intercommunication type steam pipeline system | |
| CN208865598U (en) | A kind of quick on-off device dividing gas bag for reactor | |
| CN220102341U (en) | Cold and hot working medium circulation structure | |
| CN220366127U (en) | External heat preservation device for pipeline | |
| CN221085458U (en) | Modifying machine | |
| CN215979843U (en) | Mechanical seal self-cooling device of condensate pump | |
| CN215674086U (en) | Corrosion resistance rotary joint convenient to dismouting | |
| CN213808918U (en) | Water-cooling ultra-high temperature butterfly valve | |
| CN212775682U (en) | Split type heat preservation ball valve | |
| CN218764719U (en) | LNG cold energy storage and utilization equipment | |
| CN216778737U (en) | Circulation cooling main joint | |
| CN207906207U (en) | A kind of hydraulic oil cooling device | |
| CN220354785U (en) | Novel copper pipe quick connector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |