Anti-leakage cold energy recovery device for dry ice production tail gas

Abstract

The utility model relates to the technical field of cold energy recovery equipment, and provides an anti-leakage cold energy recovery device for dry ice production tail gas, which comprises a dry ice production box, a recovery assembly is arranged on one side of the dry ice production box, and the recovery assembly comprises a recovery box, a recovery cavity, a communicating pipe, a flow guide pipe, a turbulent flow structure and a steering pipe. According to the utility model, the turbulent flow structure is arranged, the tail gas produced by dry ice enters the flow guide pipe through the gas inlet pipe, the steering pipe and the communicating pipe, and the connecting plate divides the cavity in the flow guide pipe into two parts, so that the tail gas in the flow guide pipe can be shunted; the split tail gas is blocked through a first turbulent flow block and a second turbulent flow block, so that the passing speed of the tail gas in the flow guide pipe is slowed down, the retention time of the tail gas in the flow guide pipe is prolonged, sufficient heat exchange of the tail gas is guaranteed, cold energy is recycled, and the function of prolonging the heat exchange time of the tail gas is achieved; and the recovery efficiency of the cold energy recovery device in use is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cold recovery equipment, in particular to a leakage-proof cold recovery device for tail gas produced by dry ice. Background Art

[0002] The leak-proof cold recovery device for the tail gas of dry ice production is a device used to capture and recover the cold in the tail gas generated in the dry ice production. In the process of dry ice production, a large amount of tail gas is often generated, and these tail gases contain cold. If this part of cold can be recovered, it can not only improve the efficiency of energy utilization, but also reduce the impact on the environment;

[0003] When a traditional dry ice production tail gas cold recovery device is in use, the tail gas stays in the cold recovery device for a short time and the cold recovery efficiency is low. Therefore, it is necessary to design a structure that can increase the residence time of the tail gas in the cold recovery device to improve the cold recovery efficiency. Utility Model Content

[0004] The utility model aims to provide a leakage-proof cold recovery device for tail gas of dry ice production, so as to solve the defects of the existing cold recovery device for tail gas of dry ice production, that is, when the tail gas is in use, the tail gas stays in the cold recovery device for a short time, and the cold recovery efficiency is low.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a leakage-proof cold recovery device for tail gas of dry ice production, comprising a dry ice production box;

[0006] A recovery assembly is provided on one side of the dry ice production box, and the recovery assembly includes a recovery box, a recovery chamber, a connecting pipe, a guide pipe, a spoiler structure, a steering pipe, an air outlet pipe and an air inlet pipe;

[0007] The recovery box is arranged at one side of the dry ice production box, a recovery chamber is provided inside the recovery box, flow guide pipes are evenly arranged inside the recovery chamber, connecting pipes are fixed at both ends of the flow guide pipes, a steering pipe is fixed at one end of the connecting pipe away from the flow guide pipe, the air outlet pipe is fixed at one side of the recovery box, and the air inlet pipe is fixed at the other side of the recovery box;

[0008] A tail gas collecting box is arranged on one side of the recovery component, and a circulation structure is arranged on one side of the tail gas collecting box.

[0009] Preferably, the connecting pipes are symmetrically distributed on both sides of the steering pipe, and the guide pipes are evenly distributed inside the recovery box.

[0010] Preferably, the spoiler structure comprises a connecting plate, a first spoiler block and a second spoiler block, the connecting plate is arranged inside the air guide pipe, the first spoiler block is evenly fixed on one side of the connecting plate, and the second spoiler block is evenly fixed on the other side of the connecting plate.

[0011] Preferably, the outer wall of the connecting plate and the inner wall of the guide tube are in contact with each other, and the first spoiler block and the second spoiler block are both inclined.

[0012] Preferably, the first spoiler blocks are distributed at equal intervals on one side of the connecting plate, and the second spoiler blocks are distributed at equal intervals on one side of the connecting plate.

[0013] Preferably, the circulation structure includes a water tank, a water outlet pipe, a water supply pipe, a water pump and a water inlet pipe. The water tank is arranged on one side of the exhaust gas collection box, the water outlet pipe is fixed on the bottom side of the water tank close to the recovery box, the water supply pipe is fixed on the top side of the water tank close to the recovery box, the water pump is installed on the outer wall of the top of the recovery box close to the dry ice production box, and the water inlet pipe is fixed on the top side of the recovery box close to the water pump.

[0014] Preferably, one end of the water outlet pipe extends to the interior of the recovery chamber, one end of the water delivery pipe is fixedly connected to the input end of the water pump, and the output end of the water pump is fixedly connected to the input end of the water inlet pipe.

[0015] The utility model provides a leak-proof cold recovery device for tail gas from dry ice production, which has the advantages of:

[0016] By providing a spoiler structure, the tail gas produced by dry ice enters the interior of the guide pipe through the intake pipe, the steering pipe and the connecting pipe, and the connecting plate divides the cavity inside the guide pipe into two parts, so that the tail gas inside the guide pipe can be diverted, and the diverted tail gas is blocked by the first spoiler block and the second spoiler block respectively, so as to slow down the passage speed of the tail gas inside the guide pipe, increase the residence time of the tail gas inside the guide pipe, ensure sufficient heat exchange of the tail gas, and recover the cold, so that the device has the function of increasing the heat exchange time of the tail gas, and improves the recovery efficiency of the cold recovery device when in use;

[0017] By providing a circulation structure, the condensed water inside the recovery chamber enters the water tank through the outlet pipe, and returns to the recovery chamber through the water pipe, water pump and water inlet pipe. The condensed water inside the recovery chamber is recycled, which can increase the cooling effect of the condensed water. The function of the device for cooling by circulating condensation is realized, which improves the convenience of the cooling recovery device when in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0020] Figure 3 It is a schematic diagram of the cross-sectional structure of the utility model in a top view;

[0021] Figure 4 For the utility model Figure 3 The enlarged structural diagram at A in the middle;

[0022] Figure 5 It is a three-dimensional structural schematic diagram of the recycling component of the utility model;

[0023] Figure 6 It is a schematic diagram of the three-dimensional structure of the recycling component of the utility model in a top view and section.

[0024] Explanation of the reference numerals in the figure: 1. Dry ice production box; 2. Recovery component; 21. Recovery box; 22. Recovery chamber; 23. Connecting pipe; 24. Guide pipe; 25. Disturbing structure; 251. Connecting plate; 252. First spoiler block; 253. Second spoiler block; 26. Steering pipe; 27. Exhaust pipe; 28. Inlet pipe; 3. Exhaust gas collection box; 4. Circulation structure; 41. Water tank; 42. Water outlet pipe; 43. Water pipe; 44. Water pump; 45. Water inlet pipe. DETAILED DESCRIPTION

[0025] 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.

[0026] See also Figure 1-Figure 6 The utility model provides a leakage-proof cold recovery device for dry ice production tail gas, which includes a dry ice production box 1.

[0027] Reference Figure 3 , Figure 4 and Figure 6A recovery assembly 2 is provided on one side of the dry ice production box 1. The recovery assembly 2 includes a recovery box 21, a recovery chamber 22, a connecting pipe 23, a guide pipe 24, a spoiler structure 25, a steering pipe 26, an air outlet pipe 27 and an air inlet pipe 28. The recovery box 21 is provided on one side of the dry ice production box 1. A recovery chamber 22 is provided inside the recovery box 21. Guide pipes 24 are evenly provided inside the recovery chamber 22. The guide pipes 24 are evenly spaced inside the recovery box 21. Connecting pipes 23 are fixed at both ends of the guide pipes 24. The connecting pipes 23 are symmetrically distributed on both sides of the steering pipe 26. The end of the connecting pipe 23 away from the guide pipe 24 is fixed with a steering pipe 26. The air outlet pipe 27 is fixed to the recovery box 21. The air intake pipe 28 is fixed to one side of the recovery box 21, and the air intake pipe 28 is fixed to the other side of the recovery box 21. The spoiler structure 25 includes a connecting plate 251, a first spoiler block 252 and a second spoiler block 253. The connecting plate 251 is arranged inside the guide tube 24. The first spoiler blocks 252 are evenly fixed on one side of the connecting plate 251, and the second spoiler blocks 253 are evenly fixed on the other side of the connecting plate 251. The outer wall of the connecting plate 251 and the inner wall of the guide tube 24 are in contact with each other. The first spoiler blocks 252 and the second spoiler blocks 253 are both inclined in design. The first spoiler blocks 252 are evenly distributed on one side of the connecting plate 251, and the second spoiler blocks 253 are evenly distributed on one side of the connecting plate 251.

[0028] The exhaust gas produced by dry ice production enters the interior of the guide pipe 24 through the intake pipe 28, the steering pipe 26 and the connecting pipe 23. The connecting plate 251 divides the cavity inside the guide pipe 24 into two parts, which can divert the exhaust gas inside the guide pipe 24, and block the diverted exhaust gas through the first spoiler block 252 and the second spoiler block 253 respectively, thereby slowing down the passage speed of the exhaust gas inside the guide pipe 24, increasing the residence time of the exhaust gas inside the guide pipe 24, ensuring sufficient heat exchange of the exhaust gas, and recovering the cold.

[0029] Reference Figure 1-Figure 3 A tail gas collecting box 3 is provided on one side of the recovery component 2, and a circulation structure 4 is provided on one side of the tail gas collecting box 3. The circulation structure 4 includes a water tank 41, a water outlet pipe 42, a water supply pipe 43, a water pump 44 and a water inlet pipe 45. The water tank 41 is provided on one side of the tail gas collecting box 3, and a water outlet pipe 42 is fixed on the bottom of the water tank 41 near the recovery box 21. A water supply pipe 43 is fixed on the top of the water tank 41 near the recovery box 21. The water pump 44 is installed on the outer wall of the top of the recovery box 21 near the dry ice production box 1. The water inlet pipe 45 is fixed on the top of the recovery box 21 near the water pump 44. One end of the water outlet pipe 42 extends to the inside of the recovery chamber 22, one end of the water supply pipe 43 is fixedly connected to the input end of the water pump 44, and the output end of the water pump 44 is fixedly connected to the input end of the water inlet pipe 45.

[0030] The condensed water inside the recovery chamber 22 enters the water tank 41 through the outlet pipe 42, and returns to the recovery chamber 22 through the water supply pipe 43, the water pump 44 and the inlet pipe 45. The condensed water inside the recovery chamber 22 is recycled to increase the cooling effect of the condensed water.

[0031] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A leak-proof cold recovery device for dry ice production tail gas, comprising a dry ice production box (1); Features: A recovery assembly (2) is provided on one side of the dry ice production box (1), and the recovery assembly (2) comprises a recovery box (21), a recovery chamber (22), a connecting pipe (23), a flow guide pipe (24), a spoiler structure (25), a steering pipe (26), an air outlet pipe (27) and an air inlet pipe (28); The recovery box (21) is arranged on one side of the dry ice production box (1); a recovery chamber (22) is provided inside the recovery box (21); flow guide pipes (24) are evenly arranged inside the recovery chamber (22); connecting pipes (23) are fixed at both ends of the flow guide pipe (24); a steering pipe (26) is fixed at one end of the connecting pipe (23) away from the flow guide pipe (24); the air outlet pipe (27) is fixed on one side of the recovery box (21); and the air inlet pipe (28) is fixed on the other side of the recovery box (21); A tail gas collection box (3) is provided on one side of the recovery component (2), and a circulation structure (4) is provided on one side of the tail gas collection box (3).

2. The leak-proof cold recovery device for tail gas from dry ice production according to claim 1, characterized in that: The connecting pipes (23) are symmetrically distributed on both sides of the steering pipe (26), and the guide pipes (24) are evenly distributed inside the recovery box (21).

3. The leak-proof cold recovery device for tail gas from dry ice production according to claim 1, characterized in that: The spoiler structure (25) comprises a connecting plate (251), a first spoiler block (252) and a second spoiler block (253); the connecting plate (251) is arranged inside the flow guide pipe (24); the first spoiler block (252) is evenly fixed on one side of the connecting plate (251), and the second spoiler block (253) is evenly fixed on the other side of the connecting plate (251).

4. The leak-proof cold recovery device for tail gas from dry ice production according to claim 3, characterized in that: The outer wall of the connecting plate (251) and the inner wall of the flow guide tube (24) are in contact with each other, and the first spoiler block (252) and the second spoiler block (253) are both designed to be inclined.

5. The leak-proof cold recovery device for tail gas from dry ice production according to claim 3, characterized in that: The first spoiler blocks (252) are distributed at equal intervals on one side of the connecting plate (251), and the second spoiler blocks (253) are distributed at equal intervals on one side of the connecting plate (251).

6. The leak-proof cold recovery device for tail gas from dry ice production according to claim 1, characterized in that: The circulation structure (4) comprises a water tank (41), a water outlet pipe (42), a water delivery pipe (43), a water pump (44) and a water inlet pipe (45); the water tank (41) is arranged on one side of the tail gas collection box (3); the water outlet pipe (42) is fixed to the bottom of the water tank (41) on a side close to the recovery box (21); the water delivery pipe (43) is fixed to the top of the water tank (41) on a side close to the recovery box (21); the water pump (44) is installed on the outer wall of the top of the recovery box (21) on a side close to the dry ice production box (1); and the water inlet pipe (45) is fixed to the top of the recovery box (21) on a side close to the water pump (44).

7. The leak-proof cold recovery device for tail gas from dry ice production according to claim 6, characterized in that: One end of the water outlet pipe (42) extends to the interior of the recovery chamber (22), one end of the water delivery pipe (43) is fixedly connected to the input end of the water pump (44), and the output end of the water pump (44) is fixedly connected to the input end of the water inlet pipe (45).

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