Synthetic ammonia production tail gas treatment equipment facilitating ammonia recovery

Abstract

The utility model relates to the technical field of tail gas treatment, in particular to synthesis ammonia production tail gas treatment equipment convenient for recovering ammonia. The synthesis ammonia production tail gas treatment equipment facilitating ammonia recovery comprises a shock absorption assembly, the shock absorption assembly comprises a box body, lifting lugs are evenly welded to the top of the box body, damping spring shock absorbers are evenly arranged at the bottom of the box body, and a bottom plate is arranged at the bottoms of the damping spring shock absorbers; access holes are formed in the left side and the right side of the box body in a penetrating mode, two sets of box doors are evenly arranged in the access holes through rotating shafts, sliding plug pins are arranged on the outer side walls of the box doors, and two sets of reinforcing columns are evenly arranged in an inner cavity of the box body; when the recovery assembly in the box body vibrates due to work, the vibration can be absorbed and relieved through the damping spring shock absorbers, so that the service life of the device is prolonged, the whole device can be lifted through the lifting lugs by using a crane, and the effects of convenience in movement and convenience in installation of the device can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of tail gas treatment, in particular to a tail gas treatment device for synthetic ammonia production which is convenient for recovering ammonia. Background Art

[0002] Synthetic ammonia can be used as a raw material for the explosives industry and agricultural fertilizer. It is generally produced directly from nitrogen and hydrogen under high temperature, high pressure and the presence of a catalyst. During its production process, tail gases such as nitrogen, hydrogen and ammonia are produced. For this reason, the tail gas is often treated by a tail gas treatment device.

[0003] The common synthetic ammonia production tail gas treatment equipment for recovering ammonia on the market is large in size, which makes the equipment inconvenient to install and move. At the same time, as shown in the document (Chinese patent with announcement number CN213556190U discloses a synthetic chlorine production tail gas treatment device that is convenient for recovering chlorine), all its components are installed on the base. When a certain component vibrates during operation, it will drive other components to vibrate through the base, thereby affecting the working condition of the entire equipment and reducing the service life of the equipment. Utility Model Content

[0004] The utility model aims to provide a synthetic ammonia production tail gas treatment device which is convenient for recovering ammonia, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a synthetic ammonia production tail gas treatment equipment that is convenient for recovering ammonia, including a shock absorbing assembly, the shock absorbing assembly including a box body, the top of the box body is evenly welded with lifting ears, the bottom of the box body is evenly provided with damping spring shock absorbers, the bottom of the damping spring shock absorber is provided with a bottom plate, the left and right sides of the box body are penetrated with inspection openings, two groups of box doors are evenly provided in the inspection openings through the rotating shafts, the outer side walls of the box doors are provided with sliding latches, the inner cavity of the box body is evenly provided with two groups of reinforcing columns, the outer side walls of the box doors are inlaid with heat dissipation windows, and the inner cavity of the box body is equipped with a recovery assembly.

[0006] Preferably, the recovery component includes a heat exchanger, an evaporator, a condenser and a liquid ammonia storage tank, a first pump is connected between the air outlet of the heat exchanger and the air inlet of the evaporator, a third pump is connected between the air outlet of the evaporator and the air inlet of the condenser, a fourth pump is connected between the liquid outlet of the condenser and the liquid inlet of the liquid ammonia storage tank, a second pump is connected to the exhaust gas outlet of the evaporator, an air inlet flange pipe is connected to the air inlet of the heat exchanger, an exhaust flange pipe is connected to the air outlet of the second pump, and a valve is connected to the liquid outlet of the liquid ammonia storage tank.

[0007] Preferably, the heat exchanger, evaporator, condenser, liquid ammonia storage tank, the first pump and the third pump are all fixed to the inner cavity of the box by bolts, the second pump is arranged on the top of the evaporator, and the fourth pump is arranged on the top of the condenser.

[0008] Preferably, a first through hole is formed through the front side of the box body, and the liquid outlet of the valve passes through the first through hole and is located at the front side of the box body.

[0009] Preferably, a second through hole is formed through the front side of the box body, and the air inlet of the air intake flange pipe passes through the second through hole and is located at the front side of the box body.

[0010] Preferably, a third through hole is formed through the rear side of the box body, and an air outlet of the exhaust flange pipe passes through the third through hole and is located at the rear side of the box body.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] In the utility model, the tail gas of synthetic ammonia production enters the heat exchanger through the air inlet flange pipe, is preheated in the heat exchanger, and then enters the evaporator through the first pump for evaporation treatment. Most of the ammonia in the tail gas of synthetic ammonia production is evaporated to form ammonia gas. The ammonia gas is sent to the condenser through the third pump, condensed into liquid ammonia in the condenser, and then sent to the liquid ammonia storage tank for storage through the fourth pump, thereby completing the recycling of ammonia resources and effectively reducing the production cost of synthetic ammonia enterprises.

[0013] After unlocking the sliding latch, you can turn the box door to open the inspection port, so that you can easily inspect the recycling components in the box. When the recycling components in the box vibrate due to work, the vibration can be absorbed and alleviated by the damping spring shock absorber, so as to increase the service life of the device. The entire device can be lifted by the lifting ears using a crane, so as to achieve the effect of easy movement and installation of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a top cross-sectional view of the utility model;

[0016] Figure 3 It is a right side view of the utility model.

[0017] In the figure: 1. Box body; 11. Lifting ear; 12. Damping spring shock absorber; 13. Bottom plate; 14. Box door; 15. Sliding latch; 16. Reinforcement column; 2. Heat exchanger; 21. Evaporator; 22. Condenser; 23. Liquid ammonia storage tank; 24. Inlet flange pipe; 25. Valve; 26. Exhaust flange pipe; 27. First pump; 28. Second pump; 29. ​​Third pump; 291. Fourth pump; 3. Heat dissipation window. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-3 A synthetic ammonia production tail gas treatment device that is convenient for recovering ammonia includes a shock absorbing component, the shock absorbing component includes a box body 1, the top of the box body 1 is evenly welded with a lifting lug 11, and the entire device can be lifted by a crane through the lifting lug 11, so that the device can be moved and installed conveniently, and a damping spring shock absorber 12 is evenly fixedly arranged at the bottom of the box body 1, and a bottom plate 13 is fixedly arranged at the bottom of the damping spring shock absorber 12. When the recovery component in the box body 1 vibrates due to work, the vibration can be absorbed and alleviated by the damping spring shock absorber 12, so as to improve the service life of the device, the box body 1 Inspection openings are provided on both sides of the box 1, and two groups of box doors 14 are arranged in the inspection openings through the rotating shaft. The outer wall of the box door 14 is fixedly provided with a sliding latch 15, and the box door 14 is fixed in the inspection opening by the sliding latch 15. After the sliding latch 15 is unlocked, the box door 14 can be rotated to open the inspection opening, so that the recycling components in the box body 1 can be conveniently inspected. Two groups of reinforcing columns 16 are evenly arranged in the inner cavity of the box body 1, and the outer wall of the box door 14 is inlaid with a heat dissipation window 3. The heat dissipation window 3 can ensure that the recycling components in the box body 1 can dissipate heat normally during operation, and the inner cavity of the box body 1 is equipped with a recycling component.

[0020] The recovery component includes a heat exchanger 2, an evaporator 21, a condenser 22 and a liquid ammonia storage tank 23. A first pump 27 is connected between the air outlet of the heat exchanger 2 and the air inlet of the evaporator 21, a third pump 29 is connected between the air outlet of the evaporator 21 and the air inlet of the condenser 22, a fourth pump 291 is connected between the liquid outlet of the condenser 22 and the liquid inlet of the liquid ammonia storage tank 23, a second pump 28 is connected to the exhaust gas outlet of the evaporator 21, an air inlet flange pipe 24 is connected to the air inlet of the heat exchanger 2, an exhaust flange pipe 26 is connected to the air outlet of the second pump 28, and a valve 25 is connected to the liquid outlet of the liquid ammonia storage tank 23. The tail gas of synthetic ammonia production enters the heat exchanger 2 through the air inlet flange pipe 24, is preheated in the heat exchanger 2, and then enters the evaporator 21 through the first pump 27 for evaporation treatment. Most of the ammonia in the tail gas of synthetic ammonia production is evaporated to form ammonia gas, which is sent to the exhaust gas outlet of the evaporator 21 through the third pump 29. The exhaust gas is fed into the condenser 22, condensed into liquid ammonia in the condenser 22, and then sent to the liquid ammonia storage tank 23 for storage through the fourth pump 291. The tail gas treated by the evaporator 21 is input into the exhaust flange pipe 26 through the second pump 28 and finally discharged. The heat exchanger 2, the evaporator 21, the condenser 22, the first pump 27 and the third pump 29 of the liquid ammonia storage tank 23 are all fixed to the inner cavity of the box body 1 by bolts. The second pump 28 is fixedly arranged on the top of the evaporator 21, and the fourth pump 291 is fixedly arranged on the top of the condenser 22. A first through hole is penetrated on the front side of the box body 1, the liquid outlet of the valve 25 penetrates the first through hole and is located on the front side of the box body 1, and a second through hole is penetrated on the front side of the box body 1. The air inlet of the air inlet flange pipe 24 penetrates the second through hole and is located on the front side of the box body 1, and a third through hole is penetrated on the rear side of the box body 1. The air outlet of the exhaust flange pipe 26 penetrates the third through hole and is located on the rear side of the box body 1.

[0021] Working principle: The tail gas from synthetic ammonia production enters the heat exchanger 2 through the air inlet flange pipe 24, is preheated in the heat exchanger 2, and then enters the evaporator 21 through the first pump 27 for evaporation treatment. Most of the ammonia in the tail gas from synthetic ammonia production is evaporated to form ammonia gas, which is sent to the condenser 22 through the third pump 29, condensed into liquid ammonia in the condenser 22, and then sent to the liquid ammonia storage tank 23 for storage through the fourth pump 291. The tail gas treated by the evaporator 21 is input to the exhaust flange pipe 28 through the second pump 28. 26 and finally discharged, the box door 14 is fixed in the inspection port by the sliding latch 15, and after the sliding latch 15 is unlocked, the box door 14 can be rotated to open the inspection port, so that the recycling components in the box body 1 can be conveniently inspected. When the recycling components in the box body 1 vibrate due to work, the vibration can be absorbed and alleviated by the damping spring shock absorber 12, so as to improve the service life of the device, and the whole device can be lifted by the lifting ear 11 using a crane, so as to achieve the effect of convenient movement and installation of the device.

Claims

1. A synthetic ammonia production tail gas treatment device that is convenient for recovering ammonia, including a shock absorbing component, characterized in that: The shock absorbing assembly comprises a box body (1), the top of the box body (1) is uniformly welded with a lifting ear (11), the bottom of the box body (1) is uniformly provided with a damping spring shock absorber (12), the bottom of the damping spring shock absorber (12) is provided with a bottom plate (13), the left and right sides of the box body (1) are penetrated with an inspection opening, two groups of box doors (14) are uniformly provided in the inspection opening through a rotating shaft, the outer wall of the box door (14) is provided with a sliding latch (15), the inner cavity of the box body (1) is uniformly provided with two groups of reinforcing columns (16), the outer wall of the box door (14) is inlaid with a heat dissipation window (3), and the inner cavity of the box body (1) is provided with a recovery assembly.

2. The synthetic ammonia production tail gas treatment equipment for facilitating ammonia recovery according to claim 1, characterized in that: The recovery component comprises a heat exchanger (2), an evaporator (21), a condenser (22) and a liquid ammonia storage tank (23); a first pump (27) is connected between the air outlet of the heat exchanger (2) and the air inlet of the evaporator (21); a third pump (29) is connected between the air outlet of the evaporator (21) and the air inlet of the condenser (22); a fourth pump (291) is connected between the liquid outlet of the condenser (22) and the liquid inlet of the liquid ammonia storage tank (23); a second pump (28) is connected to the exhaust gas outlet of the evaporator (21); an air inlet flange pipe (24) is connected to the air inlet of the heat exchanger (2); an air outlet of the second pump (28) is connected to an exhaust flange pipe (26); and a valve (25) is connected to the liquid outlet of the liquid ammonia storage tank (23).

3. The tail gas treatment equipment for synthetic ammonia production that is convenient for recovering ammonia according to claim 2, characterized in that: The heat exchanger (2), evaporator (21), condenser (22), liquid ammonia storage tank (23), first pump (27) and third pump (29) are all fixed to the inner cavity of the casing (1) by bolts; the second pump (28) is arranged on the top of the evaporator (21); and the fourth pump (291) is arranged on the top of the condenser (22).

4. The tail gas treatment equipment for synthetic ammonia production that is convenient for recovering ammonia according to claim 2, characterized in that: A first through hole is formed through the front side of the box body (1), and a liquid outlet of the valve (25) passes through the first through hole and is located on the front side of the box body (1).

5. The tail gas treatment equipment for synthetic ammonia production that is convenient for recovering ammonia according to claim 2, characterized in that: A second through hole is formed through the front side of the box body (1), and an air inlet of the air intake flange pipe (24) passes through the second through hole and is located on the front side of the box body (1).

6. The synthetic ammonia production tail gas treatment equipment for facilitating ammonia recovery according to claim 2, characterized in that: A third through hole is formed through the rear side of the box body (1), and an air outlet of the exhaust flange pipe (26) passes through the third through hole and is located at the rear side of the box body (1).

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