CN215783243U - Hydrogenation reactor - Google Patents
Hydrogenation reactor Download PDFInfo
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- CN215783243U CN215783243U CN202122269309.9U CN202122269309U CN215783243U CN 215783243 U CN215783243 U CN 215783243U CN 202122269309 U CN202122269309 U CN 202122269309U CN 215783243 U CN215783243 U CN 215783243U
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Abstract
The utility model discloses a hydrogenation reactor, which comprises a skirt cylinder and a lower end enclosure, wherein the lower end enclosure is embedded into the inner side of the skirt cylinder, and a lower tube box section is integrally manufactured with the lower end enclosure; the upper pipe box shell section and the upper sealing head are integrally manufactured; the middle part of the cylinder body is provided with a fourth manhole flange; an upper tube plate and a lower tube plate are welded at two ends of the cylinder; a heat exchange tube array; the heat exchange tube array is composed of a plurality of rows of heat exchange tubes, each heat exchange tube comprises a tube body, and a spring body, a lower ceramic ball filling section, a catalyst particle filling section and an upper ceramic ball filling section are sequentially arranged on the inner side of each tube body from bottom to top; the hydrogenation reactor disclosed by the utility model is simple in structure, adopts the interior of the heat exchange tube to carry out hydrogenation reaction, provides a heat absorption environment at the exterior, and can control the temperature of the whole reaction process in real time through the thermocouples on the thermocouple distribution grooves.
Description
Technical Field
The utility model particularly relates to a hydrogenation reactor, and belongs to the technical field of hydrogenation reactions.
Background
The hydrogenation process is widely used for hydrofining in the petroleum refining industry in addition to hydrocracking to remove impurities such as oxygen, sulfur, nitrogen and the like in oil products, and ensure that olefin is fully saturated and aromatic hydrocarbon is partially saturated to improve the quality of the oil products; the hydrogenation process is also used as a refining means in chemical industry for removing a small amount of harmful and non-easily separated impurities contained in organic raw materials or products, such as the hydrogenation of acetylene, an impurity in ethylene, to form ethylene; during the purification of propylene, impurity propyne and propadiene are hydrogenated to obtain propylene; and the reaction of converting carbon monoxide into methane by hydrogenation is utilized to remove a small amount of carbon monoxide in hydrogen, and the like; the existing hydrogenation reactor has the disadvantages of difficult control, incomplete reaction and incapability of controlling the overall situation of the hydrogenation reaction process.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides a hydrogenation reactor which is simple in structure, adopts the interior of a heat exchange tube for hydrogenation reaction, provides a heat absorption environment for the exterior of the heat exchange tube, and can control the temperature of the whole reaction process in real time through thermocouples on a thermocouple distribution groove.
The hydrogenation reactor comprises
The skirt base comprises a skirt base barrel body, wherein feet are fixed at the bottom of the outer part of the skirt base barrel body at intervals; the skirt cylinder is provided with a tube pass lead-out hole, skirt access holes and skirt exhaust holes which are arranged at intervals; the bottom leg comprises a bottom plate and a cover plate which are welded outside the skirt barrel, and a rib plate arranged between the bottom plate and the cover plate, so that the bottom of the skirt barrel is reinforced and fixed through bolts, and the tube side lead-out hole is used for leading out an outer tube of the reactor; the skirt access hole can be used for arranging and operating the interior of the skirt barrel, and the skirt exhaust hole can exhaust the interior of the skirt barrel;
the lower end enclosure is embedded into the inner side of the skirt barrel and integrally welded with the skirt barrel, and a tube pass emptying tube and a fifth manhole flange are arranged at the bottom of the lower end enclosure; the tube pass emptying tube is led out from the tube pass leading-out hole; the tube pass purge tube can discharge the solid-liquid-gas mixture after the reaction is finished;
the lower pipe box shell section and the lower end enclosure are integrally manufactured; an air inlet flange and a third manhole flange are arranged on the lower pipe box shell section; the gas taking part in the reaction is injected into the lower pipe box barrel joint by the gas inlet flange and enters the heat exchange pipe array through the distributor;
the top of the upper seal head is provided with a safety valve interface,
the upper pipe box shell section and the upper end enclosure are integrally manufactured; the upper pipe box shell section is provided with a gas outlet, a first manhole flange and a second manhole flange; a plurality of thermometer mounting ports are also formed in the upper tube box shell section; a thermocouple distribution groove is fixed on the inner side of the upper tube box cylindrical section below the thermometer mounting port; the thermocouples on the thermocouple distribution groove are led out from a thermometer mounting port; gas which finishes the reaction is discharged from the gas outlet, and the thermocouple on the thermocouple distribution groove monitors the reaction temperature in real time;
the middle part of the cylinder body is provided with a fourth manhole flange; an upper tube plate and a lower tube plate are welded at two ends of the cylinder; the cylinder body is respectively and integrally welded with the upper tube box cylinder section and the lower tube box cylinder section through an upper tube plate and a lower tube plate in a sealing way; a silk screen is arranged on the surface, far away from each other, of the upper tube plate and the lower tube plate; the bottom of the silk screen at the lower part is pressed with a supporting plate; the supporting plate is fixed with the lower pipe plate through bolts; a pressing plate is pressed on the top surface of the silk screen at the upper part; the pressing plate is fixed with the upper tube plate through a bolt; the supporting plate and the pressing plate are provided with an air hole array; the bottom and the top of the cylinder body are respectively provided with a shell pass emptying port and a shell pass emptying port, and the lower part of the cylinder body is provided with a plurality of water inlets connected with a water inlet pipe valve; the upper side and the lower side of the cylinder body are provided with differential pressure liquid level meters; the barrel is provided with a steam outlet and a water return port;
a heat exchange tube array; the heat exchange tube array is composed of a plurality of rows of heat exchange tubes, two ends of each heat exchange tube penetrate through the upper tube plate and the lower tube plate and are pressed with the silk screen, and two ends of each heat exchange tube are respectively fixed with the upper tube plate and the lower tube plate; the heat exchange tube comprises a tube body, and a spring body, a lower ceramic ball filling section, a catalyst particle filling section and an upper ceramic ball filling section are sequentially arranged on the inner side of the tube body from bottom to top; when the reaction gas enters the lower pipe box barrel section, goes upwards to pass through the base plate and the silk screen, enters the inner side of the heat exchange pipe, and after the flow stabilization and flow equalization of the lower ceramic ball filling section, the reaction gas reacts with the catalyst particle filling section, the flow stabilization of the reaction gas is completed through the upper ceramic ball filling section, and finally the reaction gas is discharged to a gas outlet from the silk screen and the pressing plate above; the spring body on the inner side of the heat exchange tube can avoid the catalyst particles from generating large vibration to cause crushing;
the steam drum is arranged on the cylinder body through a support frame, and the steam drum air inlet and the water return port are connected to the steam outlet and the water return port of the cylinder body; the steam drum is provided with a liquid level meter mounting port for mounting a steam drum liquid level meter and a steam drum exhaust port for mounting an exhaust valve; high heat is generated in the hydrogenation reaction process, water needs to be uniformly fed through a plurality of water inlets on the cylinder, and when the water is heated, steam generated enters a steam outlet, finally enters a steam pocket to be condensed, and returns to the cylinder through a water return port; the liquid level of the cylinder is monitored by a differential pressure liquid level meter; monitoring the drum liquid level through a drum liquid level meter;
in the hydrogenation reaction process, the manhole is arranged at each node, and the inside of the reactor can be monitored.
Furthermore, a support grid plate is welded on the inner side of the cylinder body; the heat exchange tube penetrates through the support grid plate.
Further, the catalyst particle filling section is composed of a copper-based hydrogenation catalyst filler.
Compared with the prior art, the hydrogenation reactor disclosed by the utility model is simple in structure, adopts the interior of the heat exchange tube for hydrogenation reaction, provides a heat absorption environment at the exterior, and can control the temperature of the whole reaction process in real time through the thermocouples on the thermocouple distribution groove.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 2 is a schematic top view of the present invention.
Fig. 3 is a schematic view of the lower tube sheet, wire mesh and pallet mounting arrangement of the present invention.
Fig. 4 is a schematic view of the upper tube sheet, wire mesh and platen mounting arrangement of the present invention.
Fig. 5 is a schematic view of the internal structure of the heat exchange tube of the present invention.
Detailed Description
Example 1:
the hydrogenation reactor shown in figures 1 to 5 comprises
The skirt base comprises a skirt base barrel 1, wherein feet 2 are fixed at the bottom of the outer part of the skirt base barrel 1 at intervals; the skirt cylinder 1 is provided with a tube side lead-out hole 3, a skirt access hole 4 and skirt exhaust holes 5 which are arranged at intervals; the anchor 2 comprises a bottom plate and a cover plate which are welded outside the skirt barrel, and a rib plate arranged between the bottom plate and the cover plate, so that the bottom of the skirt barrel is reinforced and fixed through bolts, and a tube pass lead-out hole is used for leading out an outer tube of the reactor; the skirt access hole can be used for arranging and operating the interior of the skirt barrel, and the skirt exhaust hole can exhaust the interior of the skirt barrel;
the lower end enclosure 6 is embedded into the inner side of the skirt cylinder 1 and integrally welded with the skirt cylinder 1, and a tube pass emptying tube 7 and a fifth manhole flange M5 are arranged at the bottom of the lower end enclosure 6; the tube pass emptying tube 7 is led out from the tube pass leading-out hole 3; the tube pass purge tube can discharge the solid-liquid-gas mixture after the reaction is finished;
the lower pipe box cylindrical section 8 is integrally formed with the lower end enclosure 6; an air inlet flange 9 and a third manhole flange M3 are arranged on the lower pipe box cylindrical section 8; the gas taking part in the reaction is injected into the lower pipe box barrel joint by the gas inlet flange and enters the heat exchange pipe array through the distributor;
the top of the upper seal head 10 is provided with a safety valve interface 11,
an upper pipe box cylindrical section 12, wherein the upper pipe box cylindrical section 12 and the upper end enclosure 10 are integrally manufactured; the upper pipe box cylindrical section 12 is provided with an air outlet 13, a first manhole flange M1 and a second manhole flange M2; the upper tube box shell section 12 is also provided with a plurality of thermometer mounting ports 14; a thermocouple distribution groove 15 is fixed below the thermometer mounting port on the inner side of the upper tube box barrel 12 section; the thermocouples on the thermocouple distribution groove 15 are led out from a thermometer mounting port; gas which finishes the reaction is discharged from the gas outlet, and the thermocouple on the thermocouple distribution groove monitors the reaction temperature in real time;
the cylinder 16 is provided with a fourth manhole flange M4 in the middle of the cylinder 16; an upper tube plate 17 and a lower tube plate 18 are welded at the two ends of the cylinder; the cylinder 16 is respectively welded with the upper pipe box cylinder section 12 and the lower pipe box cylinder section 8 in an integrated sealing way through an upper pipe plate 17 and a lower pipe plate 18; a wire mesh 19 is arranged on the surface, away from each other, of the upper tube plate 17 and the lower tube plate 18; a supporting plate 20 is pressed at the bottom of the silk screen 19 at the lower part; the supporting plate 20 is fixed with the lower tube plate 18 through bolts; a press plate 21 is pressed on the top surface of the silk screen 19 at the upper part; the pressing plate 21 is fixed with the upper tube plate 17 through bolts; the supporting plate 20 and the pressing plate 21 are provided with an air hole array; the bottom and the top of the cylinder 16 are respectively provided with a shell pass emptying port 22 and a shell pass emptying port 23, and the lower part of the cylinder is provided with a plurality of water inlets 24 connected with a water inlet pipe valve; the upper side and the lower side of the cylinder 16 are provided with differential pressure liquid level meters L1-L2; the barrel 16 is provided with a steam outlet 25 and a water return port 26;
a heat exchange tube array; the heat exchange tube array is composed of a plurality of rows of heat exchange tubes 27, two ends of each heat exchange tube 27 penetrate through the upper tube plate 17 and the lower tube plate 18 and are pressed with the silk screen 19, and two ends of each heat exchange tube 27 are respectively fixed with the upper tube plate 17 and the lower tube plate 18; the heat exchange tube 27 comprises a tube body 271, and a spring body 272, a lower ceramic ball filling section 273, a catalyst particle filling section 274 and an upper ceramic ball filling section 275 are sequentially arranged on the inner side of the tube body 271 from bottom to top; when the reaction gas enters the lower pipe box barrel section, goes upwards to pass through the base plate and the silk screen, enters the inner side of the heat exchange pipe, and after the flow stabilization and flow equalization of the lower ceramic ball filling section, the reaction gas reacts with the catalyst particle filling section, the flow stabilization of the reaction gas is completed through the upper ceramic ball filling section, and finally the reaction gas is discharged to a gas outlet from the silk screen and the pressing plate above; the spring body on the inner side of the heat exchange tube can avoid the catalyst particles from generating large vibration to cause crushing;
the steam drum 28 is arranged on the cylinder 16 through a support frame 30, and an air inlet and a water return port of the steam drum 28 are connected to the steam outlet 25 and the water return port 26 of the cylinder; the steam pocket 28 is provided with a liquid level meter mounting port C1-C2 for mounting a steam pocket liquid level meter and a steam pocket exhaust port 29 for mounting an exhaust valve; high heat is generated in the hydrogenation reaction process, water needs to be uniformly fed through a plurality of water inlets on the cylinder, and when the water is heated, steam generated enters a steam outlet, finally enters a steam pocket to be condensed, and returns to the cylinder through a water return port; the liquid level of the cylinder is monitored by a differential pressure liquid level meter; monitoring the drum liquid level through a drum liquid level meter; in the hydrogenation reaction process, the manhole is arranged at each node, and the inside of the reactor can be monitored.
Wherein, a supporting grid plate 161 is welded on the inner side of the cylinder 16; the heat exchange pipe 27 passes through the support grill 161. The catalyst particle-packed section 274 is composed of a copper-based hydrogenation catalyst filler.
The above-described embodiments are merely preferred embodiments of the present invention, and all equivalent changes or modifications of the structures, features and principles described in the claims of the present invention are included in the scope of the present invention.
Claims (3)
1. A hydrogenation reactor characterized by: comprises that
The skirt base comprises a skirt base barrel body, wherein feet are fixed at the bottom of the outer part of the skirt base barrel body at intervals; the skirt cylinder is provided with a tube pass lead-out hole, skirt access holes and skirt exhaust holes which are arranged at intervals;
the lower end enclosure is embedded into the inner side of the skirt barrel and integrally welded with the skirt barrel, and a tube pass emptying tube and a fifth manhole flange are arranged at the bottom of the lower end enclosure; the tube pass emptying tube is led out from the tube pass leading-out hole;
the lower pipe box shell section and the lower end enclosure are integrally manufactured; an air inlet flange and a third manhole flange are arranged on the lower pipe box shell section;
the top of the upper end enclosure is provided with a safety valve interface;
the upper pipe box shell section and the upper end enclosure are integrally manufactured; the upper pipe box shell section is provided with a gas outlet, a first manhole flange and a second manhole flange; a plurality of thermometer mounting ports are also formed in the upper tube box shell section; a thermocouple distribution groove is fixed on the inner side of the upper tube box cylindrical section below the thermometer mounting port; the thermocouples on the thermocouple distribution groove are led out from a thermometer mounting port;
the middle part of the cylinder body is provided with a fourth manhole flange; an upper tube plate and a lower tube plate are welded at two ends of the cylinder; the cylinder body is respectively and integrally welded with the upper tube box cylinder section and the lower tube box cylinder section through an upper tube plate and a lower tube plate in a sealing way; a silk screen is arranged on the surface, far away from each other, of the upper tube plate and the lower tube plate; the bottom of the silk screen at the lower part is pressed with a supporting plate; the supporting plate is fixed with the lower pipe plate through bolts; a pressing plate is pressed on the top surface of the silk screen at the upper part; the pressing plate is fixed with the upper tube plate through a bolt; the supporting plate and the pressing plate are provided with an air hole array; the bottom and the top of the cylinder body are respectively provided with a shell pass emptying port and a shell pass emptying port, and the lower part of the cylinder body is provided with a plurality of water inlets connected with a water inlet pipe valve; the upper side and the lower side of the cylinder body are provided with differential pressure liquid level meters; the barrel is provided with a steam outlet and a water return port;
a heat exchange tube array; the heat exchange tube array is composed of a plurality of rows of heat exchange tubes, two ends of each heat exchange tube penetrate through the upper tube plate and the lower tube plate and are pressed with the silk screen, and two ends of each heat exchange tube are respectively fixed with the upper tube plate and the lower tube plate; the heat exchange tube comprises a tube body, and a spring body, a lower ceramic ball filling section, a catalyst particle filling section and an upper ceramic ball filling section are sequentially arranged on the inner side of the tube body from bottom to top;
the steam drum is arranged on the cylinder body through a support frame, and the steam drum air inlet and the water return port are connected to the steam outlet and the water return port of the cylinder body; the steam drum is provided with a liquid level meter mounting port for mounting a steam drum liquid level meter and a steam drum exhaust port for mounting an exhaust valve;
a pipe pass emptying pipe and a fifth manhole flange; the tube pass emptying tube is led out from the tube pass leading-out hole;
a lower tube box section; the lower pipe box shell section and the lower end enclosure are integrally manufactured; and the lower tube box shell section is provided with an air inlet flange and a third manhole flange.
2. The hydrogenation reactor of claim 1, wherein: a support grid plate is welded on the inner side of the cylinder body; the heat exchange tube penetrates through the support grid plate.
3. The hydrogenation reactor of claim 1, wherein: the catalyst particle filling section is composed of a copper series hydrogenation catalyst filling material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122269309.9U CN215783243U (en) | 2021-09-18 | 2021-09-18 | Hydrogenation reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122269309.9U CN215783243U (en) | 2021-09-18 | 2021-09-18 | Hydrogenation reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215783243U true CN215783243U (en) | 2022-02-11 |
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ID=80164449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122269309.9U Active CN215783243U (en) | 2021-09-18 | 2021-09-18 | Hydrogenation reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215783243U (en) |
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2021
- 2021-09-18 CN CN202122269309.9U patent/CN215783243U/en active Active
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