Synthetic ammonia waste heat recoverer

Abstract

The utility model provides a synthesis ammonia waste heat recoverer, and relates to the technical field of synthesis ammonia. The synthesis ammonia waste heat recoverer comprises a base, a recovery mechanism used for recycling waste heat generated in the synthesis ammonia process is arranged in the base, a filtering mechanism is arranged above the base, the recovery mechanism comprises a water tank and a gas conveying pipe, the water tank is fixedly installed on the surface of the inner wall of the base, and the gas conveying pipe penetrates through the water tank. The synthesis ammonia waste heat recoverer is provided with the recovery mechanism, so that the problem that a large amount of heat energy is released in the conventional synthesis ammonia process is solved. The problems that if waste heat recovery is not carried out, heat energy is lost, energy is wasted, and the energy utilization efficiency is reduced are solved, waste heat can be converted into high-temperature steam to be used for driving a steam turbine or providing heat energy needed by the process, resource waste can be avoided, the overall utilization efficiency of resources can be improved, waste heat emission can be reduced, and the energy utilization efficiency is improved. And the thermal load on the environment is reduced, so that the environment is protected.

Description

Technical Field

[0001] The present application relates to the technical field of synthetic ammonia, and in particular to a synthetic ammonia waste heat recovery device. Background Art

[0002] Synthetic ammonia is a basic inorganic chemical process, which refers to the direct synthesis of ammonia from nitrogen and hydrogen under high temperature, high pressure and in the presence of a catalyst. In the modern chemical industry, ammonia is the main raw material for the fertilizer industry and basic organic chemicals.

[0003] In the process of synthesizing ammonia, nitrogen and hydrogen react chemically under high temperature and high pressure and with the help of catalysts to generate ammonia and release a large amount of heat energy. If waste heat recovery is not carried out, this heat energy will be lost in vain, resulting in energy waste and reducing energy utilization efficiency. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] In view of the deficiencies in the prior art, the present application provides a synthetic ammonia waste heat recovery device, which solves the problems mentioned in the above background technology.

[0006] (II) Technical solution

[0007] To achieve the above objectives, the present application is implemented through the following technical solutions: a synthetic ammonia waste heat recoverer, comprising a base for installing the device, a recovery mechanism for recovering and utilizing the waste heat generated in the synthetic ammonia process is arranged inside the base, a filtering mechanism is arranged above the base, the recovery mechanism comprises a water tank and an air pipe, the water tank is fixedly mounted on the inner wall surface of the base, and the air pipe runs through the water tank.

[0008] By adopting the above technical solution, the waste heat generated in the process of synthesizing ammonia can be recycled through the recovery mechanism, and the waste heat can be converted into high-temperature steam for driving the steam turbine or providing the heat energy required for the process, which can avoid waste of resources, improve the overall utilization efficiency of resources, reduce waste heat emissions, reduce the heat load on the environment and thus protect the environment. The impurities in the steam can be filtered through the filtering mechanism, and the filter box can be moved outside the device, so that the impurities in the steam can be filtered to facilitate the utilization of the steam and the replacement of the filter box and the cleaning of the water tank.

[0009] Preferably, an air inlet is fixedly installed on one side of the base, and an exhaust pipe is fixedly installed on the other side of the base, and a No. 1 threaded pipe is threadedly connected to the surface of the exhaust pipe.

[0010] By adopting the above technical solution, the exhaust pipe can be connected to the external pipeline through a No. 1 threaded pipe, which is convenient for processing the cooled gas.

[0011] Preferably, both ends of the air supply pipe are respectively fixedly connected to one end of the air inlet and one end of the exhaust pipe, a tank cover is placed on the upper surface of the water tank, a rubber ring is fixedly installed on the lower surface of the tank cover, and the rubber ring is slidably connected to the inner wall surface of the water tank.

[0012] By adopting the above technical solution, the inside of the water tank can be sealed by the rubber ring to prevent steam from overflowing from around the tank cover.

[0013] Preferably, a connecting rod is fixedly mounted on the lower surface of the box cover, a filter box is fixedly mounted on one end of the connecting rod, and connecting plates are fixedly mounted on both sides of the base.

[0014] By adopting the above technical solution, impurities in the steam can be filtered out through the filter box.

[0015] Preferably, a threaded rod is rotatably connected to one end of the inner wall of the connecting plate, a motor is fixedly mounted on the lower surface of the connecting plate, and the motor output shaft is fixedly connected to the threaded rod.

[0016] By adopting the above technical solution, the motor can drive the threaded rod to rotate and thus lift up the box cover.

[0017] Preferably, a No. 2 threaded tube is threadedly connected to the surface of the threaded rod, and the No. 2 threaded tube is slidably connected to the inner wall surface of the connecting plate. A sliding rod is fixedly installed at one end of the inner wall of the connecting plate, and a connecting tube is slidably connected to the surface of the sliding rod. The connecting tube and the No. 2 threaded tube are both fixedly connected to the box cover.

[0018] By adopting the above technical solution, the box cover can be lifted up through the No. 2 threaded pipe to move the filter box out of the device to facilitate the replacement of the filter inside the filter box and the cleaning of the water tank.

[0019] (III) Beneficial effects

[0020] The present application provides a synthetic ammonia waste heat recovery device. The beneficial effects are as follows:

[0021] 1. The synthetic ammonia waste heat recovery device is provided with a recovery mechanism, which solves the problem that a large amount of heat energy is released in the previous synthetic ammonia process. If the waste heat is not recovered, the heat energy will be lost in vain, resulting in energy waste and reduced energy utilization efficiency. The waste heat can be converted into high-temperature steam to drive the steam turbine or provide the heat energy required for the process, which can avoid resource waste, improve the overall resource utilization efficiency, reduce waste heat emissions, reduce the heat load on the environment, and thus protect the environment.

[0022] 2. The synthetic ammonia waste heat recovery device is provided with a filtering mechanism, which can filter impurities in the steam through a filter box, and can move the filter box outside the device, thereby achieving the beneficial effects of being able to filter impurities in the steam to facilitate the utilization of the steam and at the same time facilitate the replacement of the filter box and the cleaning of the water tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the implementation scheme of the utility model or the technical scheme in the prior art, the drawings required for use in the implementation scheme or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some implementation schemes of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0024] Figure 1 This is a schematic diagram of the main appearance structure of this application;

[0025] Figure 2 This is a schematic diagram of the internal structure of the base of this application;

[0026] Figure 3 This is a schematic diagram of the box cover and its connection structure of the present application;

[0027] Figure 4 This is a schematic diagram of the connecting plate and its connecting structure of the present application.

[0028] In the figure: 1. base; 2. recovery mechanism; 201. air inlet; 202. air pipe; 203. exhaust pipe; 204. No. 1 threaded pipe; 205. water tank; 206. tank cover; 207. rubber ring; 3. filtering mechanism; 301. connecting rod; 302. filter box; 303. connecting plate; 304. threaded rod; 305. motor; 306. No. 2 threaded pipe; 307. sliding rod; 308. connecting pipe. DETAILED DESCRIPTION

[0029] It should be noted that in the description of the embodiments of the present application, the terms "front, rear", "left, right", "up, down", etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present application. The terms "install", "connect", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0030] The present application is further described in detail below through drawings and examples.

[0031] Reference Figure 1 and Figure 2 The embodiment of the present application provides a synthetic ammonia waste heat recovery device, including a base 1 for installing the device, a recovery mechanism 2 for recovering and utilizing the waste heat generated in the synthetic ammonia process is arranged inside the base 1, a filtering mechanism 3 is arranged above the base 1, the recovery mechanism 2 includes a water tank 205 and an air pipe 202, the water tank 205 is fixedly mounted on the inner wall surface of the base 1, the air pipe 202 runs through the water tank 205, and the recovery mechanism 2 can pass the exhausted gas into the air pipe 202 through the air inlet 201 to heat the air pipe 202 and then heat the water in the water tank 205 To generate steam, the cooled gas is then discharged from the device through the exhaust pipe 203 to be processed by an external device or circulated to the reaction tower to continue reacting. When the steam rises, it is filtered by the filter box 302 and then discharged to the external device through the exhaust hole through the filtering mechanism 3. When it is necessary to replace the filter material on the inner wall of the filter box 302, the motor 305 is started. The motor 305 drives the threaded rod 304 to rotate, so that the second threaded pipe 306 rises and lifts the box cover 206 to expose the filter box 302, so that the internal filter material can be replaced and the inside of the water tank 205 can be cleaned.

[0032] Reference Figure 2 and Figure 3 In one aspect of this embodiment, an air inlet 201 is fixedly installed on one side of the base 1, and an exhaust pipe 203 is fixedly installed on the other side of the base 1. A No. 1 threaded pipe 204 is threadedly connected to the surface of the exhaust pipe 203.

[0033] The two ends of the gas pipe 202 are respectively fixedly connected to one end of the air inlet 201 and one end of the exhaust pipe 203. A box cover 206 is placed on the upper surface of the water tank 205. A rubber ring 207 is fixedly installed on the lower surface of the box cover 206. The rubber ring 207 is slidably connected to the inner wall surface of the water tank 205. The exhausted gas enters the gas pipe 202 through the air inlet 201 to heat the gas pipe 202 and then heats the water in the water tank 205 to generate steam. After that, the cooled gas is discharged outside the device through the exhaust pipe 203 to be treated by an external device or circulated to the reaction tower for further reaction.

[0034] Reference Figure 3 and Figure 4 In one aspect of this embodiment, a connecting rod 301 is fixedly mounted on the lower surface of the box cover 206 , a filter box 302 is fixedly mounted on one end of the connecting rod 301 , and connecting plates 303 are fixedly mounted on both sides of the base 1 .

[0035] A threaded rod 304 is rotatably connected to one end of the inner wall of the connecting plate 303 , a motor 305 is fixedly installed on the lower surface of the connecting plate 303 , and an output shaft of the motor 305 is fixedly connected to the threaded rod 304 .

[0036] A No. 2 threaded tube 306 is threadedly connected to the surface of the threaded rod 304, and the No. 2 threaded tube 306 is slidably connected to the inner wall surface of the connecting plate 303. A sliding rod 307 is fixedly installed at one end of the inner wall of the connecting plate 303, and a connecting tube 308 is slidably connected to the surface of the sliding rod 307. The connecting tube 308 and the No. 2 threaded tube 306 are both fixedly connected to the box cover 206. When the steam rises, it is filtered by the filter box 302 and discharged to the external device through the exhaust hole. When the filter material on the inner wall of the filter box 302 needs to be replaced, the motor 305 is started. The motor 305 drives the threaded rod 304 to rotate, so that the No. 2 threaded tube 306 rises and lifts the box cover 206 to expose the filter box 302, so that the internal filter material can be replaced and the inside of the water tank 205 can be cleaned.

[0037] All electrical equipment in this solution are powered by an external power supply.

[0038] Working principle: When using the device, the device should first be placed in the designated position so that the air inlet 201 is connected to the exhaust port of the synthetic ammonia reaction tower, and the exhaust pipe 203 and the exhaust holes on the upper surface of the box cover 206 are respectively connected to the corresponding external devices, and the No. 1 threaded pipe 204 on the surface of the exhaust pipe 203 is twisted to make it move so as to facilitate the connection between the exhaust pipe 203 and the external pipeline, and then water is poured into the water tank 205, and the exhausted gas enters the gas pipe 202 through the air inlet 201 to heat the gas pipe 202 and heat the water in the water tank 205. Heat is used to generate steam, and then the cooled gas is discharged outside the device through the exhaust pipe 203 to be processed by an external device or circulated to the reaction tower to continue the reaction. When the steam rises, it is filtered by the filter box 302 and then discharged to the external device through the exhaust hole. When it is necessary to replace the filter material on the inner wall of the filter box 302, the motor 305 is started, and the motor 305 drives the threaded rod 304 to rotate so that the second threaded pipe 306 rises and lifts the box cover 206 to expose the filter box 302, so that the internal filter material can be replaced and the inside of the water tank 205 can be cleaned at the same time.

[0039] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0040] Although the embodiments of the present application have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present application, and that the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A synthetic ammonia waste heat recovery device, comprising a base (1) for mounting the device, characterized in that: A recovery mechanism (2) for recovering and utilizing waste heat generated in a synthetic ammonia process is disposed inside the base (1), a filtering mechanism (3) is disposed above the base (1), the recovery mechanism (2) comprises a water tank (205) and an air pipe (202), the water tank (205) is fixedly mounted on the inner wall surface of the base (1), and the air pipe (202) passes through the water tank (205).

2. The synthetic ammonia waste heat recovery device according to claim 1, characterized in that: An air inlet (201) is fixedly mounted on one side of the base (1), and an exhaust pipe (203) is fixedly mounted on the other side of the base (1); a No. 1 threaded pipe (204) is threadedly connected to the surface of the exhaust pipe (203).

3. The synthetic ammonia waste heat recovery device according to claim 2, characterized in that: The two ends of the air delivery pipe (202) are respectively fixedly connected to one end of the air inlet (201) and one end of the exhaust pipe (203); a tank cover (206) is placed on the upper surface of the water tank (205); a rubber ring (207) is fixedly installed on the lower surface of the tank cover (206); and the rubber ring (207) is slidably connected to the inner wall surface of the water tank (205).

4. The synthetic ammonia waste heat recovery device according to claim 3, characterized in that: A connecting rod (301) is fixedly mounted on the lower surface of the box cover (206), a filter box (302) is fixedly mounted on one end of the connecting rod (301), and connecting plates (303) are fixedly mounted on both sides of the base (1).

5. The synthetic ammonia waste heat recovery device according to claim 4, characterized in that: A threaded rod (304) is rotatably connected to one end of the inner wall of the connecting plate (303), a motor (305) is fixedly mounted on the lower surface of the connecting plate (303), and an output shaft of the motor (305) is fixedly connected to the threaded rod (304).

6. The synthetic ammonia waste heat recovery device according to claim 5, characterized in that: The surface of the threaded rod (304) is threadedly connected with a No. 2 threaded tube (306), and the No. 2 threaded tube (306) is slidably connected to the inner wall surface of the connecting plate (303). A sliding rod (307) is fixedly installed on one end of the inner wall of the connecting plate (303), and a connecting tube (308) is slidably connected to the surface of the sliding rod (307). The connecting tube (308) and the No. 2 threaded tube (306) are both fixedly connected to the box cover (206).

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