Synthetic ammonia heat exchange device
By setting a sleeve and a spiral tube in the synthetic ammonia reactor and using a motor to drive the sleeve to rotate and the push plate to move, sufficient contact between the catalyst and the gas and effective heat transfer are achieved, solving the problem of insufficient contact between the catalyst and the gas and improving the reaction efficiency and heat utilization efficiency.
Patent Information
- Application Number
- CN202422492646.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-15
- Publication Date
- 2025-09-23
- Estimated Expiration
- 2034-10-15
AI Technical Summary
The existing technology makes it difficult to fully utilize the shell of the reactor for cooling. The catalyst accumulation is not easy to react with the mixed gas. The heat exchange effect in the existing technology is difficult to fully contact the reaction and the shell of the reactor for cooling the catalyst. The contact between the catalyst and the mixed gas is insufficient, resulting in low reaction efficiency.
A synthetic ammonia heat exchange device was designed. A sleeve and a spiral tube were arranged in the reactor. The catalyst in the sleeve reacted with the mixed gas, and heat was transferred through the contact between the spiral tube and the outer wall of the sleeve. A water pump was used to deliver clean water for heat exchange. Combined with the movement of the sleeve and the push plate driven by a motor, sufficient contact between the catalyst and the gas and effective heat transfer were achieved.
The catalyst and the mixed gas are fully contacted and reacted, and the temperature in the reactor is effectively reduced, the reaction efficiency and heat utilization efficiency are improved, and the difficulty of cleaning the residue after the reaction is reduced.
Smart Images
Figure CN223372790U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of heat exchange devices, in particular to a synthetic ammonia heat exchange device. Background Art
[0002] Synthetic ammonia refers to ammonia directly synthesized from nitrogen and hydrogen under high temperature, high pressure and the presence of a catalyst. It is a basic inorganic chemical process. In the modern chemical industry, ammonia is the main raw material for the fertilizer industry and basic organic chemical industry.
[0003] Currently, the shell of the reactor is often cooled directly using a coolant. However, this method is difficult to achieve sufficient heat exchange. In addition, the catalyst accumulation is not easy to fully react with the mixed gas.
[0004] In view of the above problems, the utility model provides a synthetic ammonia heat exchange device. Utility Model Content
[0005] The purpose of the utility model is to provide a synthetic ammonia heat exchange device, which can make the mixed gas and the catalyst fully contact and react and can effectively exchange heat, thereby solving the problems in the background technology.
[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a synthetic ammonia heat exchange device, comprising a reactor body, a sleeve arranged inside the reactor body, a second motor arranged at the bottom end of the sleeve, a plurality of evenly distributed circular holes opened on the side wall of the sleeve, a push plate arranged inside the sleeve, a screw rod passed through the push plate, a first motor arranged at the lower end of the screw rod, a spiral tube arranged on the outer side of the sleeve, a water pump arranged at the water inlet end of the spiral tube, and a sealing cover detachably installed at the upper end of the sleeve.
[0007] Furthermore, the second motor is fixedly mounted on the bottom end of the reactor body and the output shaft passes through the bottom end of the reactor body and is fixedly connected to the middle of the bottom end of the sleeve. The outer side of the upper end of the sleeve is rotatably connected to the inner side of the middle of the upper end of the reactor body through a bearing.
[0008] Furthermore, the spiral tube is in contact with and connected to the outside of the sleeve, the outer side of the water inlet end of the spiral tube is fixedly connected to the inside of the upper end of the reactor body, and the outer side of the water outlet end of the spiral tube is fixedly connected to the inside of the bottom end of the reactor body. A support plate is fixedly connected to the edge of the upper end of the reactor body, and the water pump is fixedly installed on the upper end of the support plate. The water inlet end of the spiral tube is fixedly connected to the water outlet end of the water pump, the water inlet end of the water pump is connected to external clean water, and the water outlet end of the spiral tube is connected to external equipment.
[0009] Furthermore, the first motor is fixedly mounted on the inner bottom surface of the sleeve, the bottom end of the screw rod is fixedly connected to the output end of the first motor, the screw rod is threadedly connected to the inner side of the middle part of the push plate, protrusions are fixed on both sides of the push plate, and grooves are symmetrically opened at both ends of the inner wall of the sleeve, the protrusions are slidably connected to the inner side of the groove, and the outer side of the push plate is slidably connected to the inner side of the sleeve.
[0010] Furthermore, the outer side of the upper end of the sleeve is threadedly connected to a storage box and a sealing cover.
[0011] Furthermore, a plurality of evenly distributed supporting legs are fixedly connected to the bottom end of the reactor body.
[0012] Furthermore, the upper end of the reactor body is fixedly connected with an air inlet pipe, the bottom end of the reactor body is fixedly connected with an air outlet pipe, and a solenoid valve is fixedly sleeved on the air outlet pipe.
[0013] Compared with the prior art, the beneficial effects of the present invention are as follows:
[0014] The utility model provides a synthetic ammonia heat exchange device, which places a catalyst into the interior of a sleeve and seals the upper end of the sleeve by rotating a sealing cover. A certain amount of mixed gas is then transported into a reactor body. Then, under high temperature and high pressure conditions, the mixed gas passes through a circular hole and reacts with the catalyst in the sleeve. During the reaction, a second motor can be intermittently started to drive the sleeve to rotate intermittently, thereby turning the catalyst in the sleeve over to facilitate full contact with the mixed gas and reaction. A large amount of heat is generated during the reaction. At the same time, a water pump is started to transport external clean water into a spiral tube. As the spiral tube contacts the outer wall of the sleeve, the heat generated is transferred to the clean water in the spiral tube. The heat in the reactor body is also transferred to the clean water in the spiral tube. The warm clean water flows through the water outlet of the spiral tube to a device requiring warm water for reuse. The clean water in the reactor body removes heat, thereby reducing the internal temperature. Finally, after the reaction is completed, the ammonia generated by the reaction is discharged to the next process, the sealing cover is opened, and the first motor is started at the same time. The first motor drives the screw to rotate, thereby driving the push plate to move vertically upward, pushing the reaction residue out of the sleeve. The purpose of this design is to allow the mixed gas to fully contact and react with the catalyst and to effectively exchange heat. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0016] Figure 2 This is a schematic diagram of the bottom structure of the utility model;
[0017] Figure 3 This is a schematic diagram of the internal structure of the reactor body in the present utility model;
[0018] Figure 4 This is a schematic diagram of the internal structure of the sleeve in the utility model;
[0019] Figure 5 This is a schematic diagram of the storage box and sealing cover structure of the present invention.
[0020] In the figure: 1. Reactor body; 2. Air inlet pipe; 3. Air outlet pipe; 4. Solenoid valve; 5. Sleeve; 6. First motor; 7. Screw; 8. Push plate; 9. Bump; 10. Groove; 11. Round hole; 12. Spiral tube; 13. Water pump; 14. Support plate; 15. Storage box; 16. Sealing cover; 17. Support leg; 18. Second motor. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0022] In order to solve the problem of how to effectively react and heat exchange technology, such as Figure 1-5 As shown, the following preferred technical solutions are provided:
[0023] A synthetic ammonia heat exchange device includes a reactor body 1, a sleeve 5 is provided inside the reactor body 1, a second motor 18 is provided at the bottom end of the sleeve 5, a plurality of evenly distributed circular holes 11 are opened on the side wall of the sleeve 5, a push plate 8 is provided inside the sleeve 5, a screw rod 7 is passed through the push plate 8, a first motor 6 is provided at the lower end of the screw rod 7, a spiral tube 12 is provided on the outer side of the sleeve 5, a water pump 13 is provided at the water inlet end of the spiral tube 12, and a sealing cover 16 is detachably installed at the upper end of the sleeve 5.
[0024] Specifically, the catalyst is put into the interior of the sleeve 5, and the upper end of the sleeve 5 is sealed by rotating the sealing cover 16, and then a certain amount of mixed gas is transported into the reactor body 1. Then, under high temperature and high pressure conditions, the mixed gas passes through the circular hole 11 and reacts with the catalyst in the sleeve 5. During the reaction, the second motor 18 can be started intermittently to drive the sleeve 5 to rotate intermittently, and then the catalyst in the sleeve 5 is turned over to facilitate full contact with the mixed gas and react. A large amount of heat will be generated during the reaction. At the same time, the water pump 13 is started to transport clean water from the outside into the spiral tube 12. Due to the spiral The tube 12 contacts the outer wall of the sleeve 5, and the heat generated is transferred to the clean water in the spiral tube 12. The heat in the reactor body 1 is also transferred to the clean water in the spiral tube 12. The warm clean water flows through the water outlet of the spiral tube 12 to the equipment that needs warm water for reuse. The clean water in the reactor body 1 takes away the heat, which reduces the internal temperature. After the reaction is completed, the ammonia produced by the reaction is discharged to the next process, the sealing cover 16 is opened, and the first motor 6 is started at the same time. The first motor 6 drives the screw 7 to rotate, and then drives the push plate 8 to move vertically upward to push the residue after the reaction out of the sleeve 5. The purpose of this design is to enable the mixed gas to fully contact and react with the catalyst and to effectively exchange heat.
[0025] Further, such as Figure 1-3 As shown, the following preferred technical solutions are provided:
[0026] The second motor 18 is fixedly mounted on the bottom end of the reactor body 1 and the output shaft passes through the bottom end of the reactor body 1 and is fixedly connected to the middle part of the bottom end of the sleeve 5. The outer side of the upper end of the sleeve 5 is rotatably connected to the inner side of the middle part of the upper end of the reactor body 1 through a bearing. The purpose of this design is to drive the sleeve 5 to rotate by the second motor 18.
[0027] Further, such as Figure 1-3 As shown, the following preferred technical solutions are provided:
[0028] The spiral tube 12 is in contact with the outside of the sleeve 5, the outer side of the water inlet end of the spiral tube 12 is fixedly connected to the inside of the upper end of the reactor body 1, and the outer side of the water outlet end of the spiral tube 12 is fixedly connected to the inside of the bottom end of the reactor body 1. A support plate 14 is fixedly connected to the edge of the upper end of the reactor body 1, and a water pump 13 is fixedly installed on the upper end of the support plate 14. The water inlet end of the spiral tube 12 is fixedly connected to the water outlet end of the water pump 13. The water inlet end of the water pump 13 is connected to external clean water, and the water outlet end of the spiral tube 12 is connected to external equipment. The purpose of this design is to transport external clean water into the spiral tube 12 through the water pump 13 for heat exchange.
[0029] Further, such as Figure 4 As shown, the following preferred technical solutions are provided:
[0030] The first motor 6 is fixedly mounted on the inner bottom surface of the sleeve 5, the bottom end of the screw rod 7 is fixedly connected to the output end of the first motor 6, the screw rod 7 is threadedly connected to the inner side of the middle part of the push plate 8, and protrusions 9 are fixed on both sides of the push plate 8. Grooves 10 are symmetrically provided at both ends of the inner wall of the sleeve 5. The protrusions 9 are slidably connected to the inner side of the groove 10, and the outer side of the push plate 8 is slidably connected to the inner side of the sleeve 5. The purpose of this design is that the first motor 6 drives the screw rod 7 to rotate, and then drives the push plate 8 to move vertically up and down.
[0031] Further, such as Figure 1 and Figure 5 As shown, the following preferred technical solutions are provided:
[0032] The outer side of the upper end of the sleeve 5 is threadedly connected with a storage box 15 and a sealing cover 16. The purpose of this design is that the storage box 15 is used to collect the pushed-out post-reaction residue, and the sealing cover 16 is used to open and close the upper end of the sleeve 5.
[0033] Further, such as Figure 1 and Figure 2 As shown, the following preferred technical solutions are provided:
[0034] A number of evenly distributed support legs 17 are fixedly connected to the bottom end of the reactor body 1 . The purpose of this design is to support the reactor body 1 .
[0035] Further, such as Figure 1 and Figure 2 As shown, the following preferred technical solutions are provided:
[0036] The upper end of the reactor body 1 is fixedly connected to an air inlet pipe 2, and the bottom end of the reactor body 1 is fixedly connected to an air outlet pipe 3. A solenoid valve 4 is fixedly sleeved on the air outlet pipe 3. The purpose of this design is to feed the mixed gas into the reactor body 1 and discharge the generated ammonia to the outside.
[0037] In summary: the catalyst is put into the interior of the sleeve 5, and the upper end of the sleeve 5 is sealed by rotating the sealing cover 16, and then a certain amount of mixed gas is transported into the reactor body 1, and then the mixed gas passes through the circular hole 11 under high temperature and high pressure conditions and reacts with the catalyst in the sleeve 5. During the reaction process, the second motor 18 can be started intermittently to drive the sleeve 5 to rotate intermittently, and then the catalyst in the sleeve 5 is turned over to facilitate full contact with the mixed gas and react. A large amount of heat will be generated during the reaction process. At the same time, the water pump 13 is started to transport the external clean water into the spiral tube 12. Due to the spiral The tube 12 contacts the outer wall of the sleeve 5, and the heat generated is transferred to the clean water in the spiral tube 12. The heat in the reactor body 1 is also transferred to the clean water in the spiral tube 12. The warm clean water flows through the water outlet of the spiral tube 12 to the equipment that needs warm water for reuse. The clean water in the reactor body 1 takes away the heat, which reduces the internal temperature. After the reaction is completed, the ammonia produced by the reaction is discharged to the next process, the sealing cover 16 is opened, and the first motor 6 is started at the same time. The first motor 6 drives the screw 7 to rotate, and then drives the push plate 8 to move vertically upward to push the residue after the reaction out of the sleeve 5. The purpose of this design is to enable the mixed gas to fully contact and react with the catalyst and to effectively exchange heat.
[0038] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.
[0039] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A synthetic ammonia heat exchange device, comprising a reactor body (1), characterized in that: The reactor body (1) is provided with a sleeve (5) inside, a second motor (18) is provided at the bottom end of the sleeve (5), a plurality of evenly distributed circular holes (11) are opened on the side wall of the sleeve (5), a push plate (8) is provided inside the sleeve (5), a screw rod (7) is passed through the push plate (8), a first motor (6) is provided at the lower end of the screw rod (7), a spiral tube (12) is provided on the outer side of the sleeve (5), a water pump (13) is provided at the water inlet end of the spiral tube (12), and a sealing cover (16) is detachably installed at the upper end of the sleeve (5).
2. The synthetic ammonia heat exchange device according to claim 1, characterized in that: The second motor (18) is fixedly mounted on the bottom end of the reactor body (1), and the output shaft passes through the bottom end of the reactor body (1) in an upward direction and is fixedly connected to the middle part of the bottom end of the sleeve (5). The outer side of the upper end of the sleeve (5) is rotatably connected to the inner side of the middle part of the upper end of the reactor body (1) through a bearing.
3. The synthetic ammonia heat exchange device according to claim 1, characterized in that: The spiral tube (12) is in contact with the outer side of the sleeve (5), the outer side of the water inlet end of the spiral tube (12) is fixedly connected to the inner side of the upper end of the reactor body (1), and the outer side of the water outlet end of the spiral tube (12) is fixedly connected to the inner side of the bottom end of the reactor body (1). A support plate (14) is fixedly connected to the edge of the upper end of the reactor body (1), and the water pump (13) is fixedly installed on the upper end of the support plate (14). The water inlet end of the spiral tube (12) is fixedly connected to the water outlet end of the water pump (13), the water inlet end of the water pump (13) is connected to external clean water, and the water outlet end of the spiral tube (12) is connected to external equipment.
4. The synthetic ammonia heat exchange device according to claim 1, characterized in that: The first motor (6) is fixedly mounted on the inner bottom surface of the sleeve (5), the bottom end of the screw rod (7) is fixedly connected to the output end of the first motor (6), the screw rod (7) is threadedly connected to the inner side of the middle part of the push plate (8), both sides of the push plate (8) are fixed with protrusions (9), the inner side wall of the sleeve (5) is symmetrically provided with grooves (10), the protrusions (9) are slidably connected to the inner side of the groove (10), and the outer side of the push plate (8) is slidably connected to the inner side of the sleeve (5).
5. The synthetic ammonia heat exchange device according to claim 1, characterized in that: The outer side of the upper end of the sleeve (5) is respectively threadedly connected with a storage box (15) and a sealing cover (16).
6. The synthetic ammonia heat exchange device according to claim 1, characterized in that: The bottom end of the reactor body (1) is fixedly connected to a plurality of evenly distributed support legs (17).
7. The synthetic ammonia heat exchange device according to claim 1, characterized in that: The upper end of the reactor body (1) is fixedly connected to an air inlet pipe (2), the lower end of the reactor body (1) is fixedly connected to an air outlet pipe (3), and an electromagnetic valve (4) is fixedly sleeved on the air outlet pipe (3).