Tail gas recovery device of polypropylene production device

Abstract

The utility model relates to the technical field of polypropylene production, in particular to a tail gas recovery device of a polypropylene production device, which comprises a recovery box body, a gas inlet pipe, a water storage tank, a water guide pipe, a gas guide pipe, a detection box body, an exhaust pipe and a cooling device, the air guide pipe is fixedly connected to the surface of the recovery box body, the detection box body is fixedly connected to the surface of the air guide pipe, the cooling device is arranged on the surface of the detection box body and comprises a filter plate, the filter plate is fixedly connected to the inner wall of the recovery box body, and the inner wall of the recovery box body is fixedly connected with a one-way air guide fan. According to the utility model, the cooling device is arranged, so that high-temperature gas generated in production can be conveniently filtered and cooled, the situation that the gas contains part of flammable and explosive gas molecules after encountering high temperature and is not safe in the operation process is avoided, and the safety of the equipment is effectively improved.

Description

Technical Field

[0001] The utility model relates to the field of polypropylene production, in particular to a tail gas recovery device of a polypropylene production device. Background Art

[0002] The tail gas recovery device of the polypropylene production unit is a device specially designed to recover the tail gas generated in the polypropylene production process, aiming to reduce resource waste and environmental pollution.

[0003] The prior art, such as CN216825622U, a tail gas recovery device for a polypropylene production device, belongs to the technical field of polypropylene production and processing, and includes a processing box, a spraying mechanism, a primary filtering mechanism and a secondary filtering mechanism. The processing box is provided with a horizontal plate and a vertical plate capable of dividing its internal space into an upper chamber, a left chamber and a right chamber. The horizontal plate and the vertical plate are vertically arranged and are both connected to the inner side wall of the processing box. The spraying mechanism is installed in the upper chamber and its infusion end is located at the inner top of the left chamber. A liquid storage tank is provided at the inner bottom of the processing box. The secondary filtering mechanism is located in the right chamber. The outer side walls of the processing box are respectively provided with a connecting port and an exhaust port connected to the left chamber and the right chamber. The outer side walls of the processing box are also provided with a drain port connected to the liquid storage tank. The utility model can perform multi-level purification treatment on the tail gas, improve the purification efficiency and effect of the tail gas, avoid a large amount of tail gas being discharged into the air, and protect the environment.

[0004] In order to solve the problem of collecting and recycling production exhaust gas with existing equipment, since polypropylene will produce a large amount of exhaust gas during production, and since some gases are flammable and explosive when heated, these exhaust gases generally cannot be discharged directly into the atmosphere. They need to be treated and meet emission requirements before they can be discharged into the atmosphere. In addition, the exhaust gas contains a large amount of recyclable particles. Direct discharge will cause waste of resources. In this process, it is necessary to go through many processes for gas recovery, which is inconvenient and cumbersome, and improvements are needed. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a tail gas recovery device for a polypropylene production device.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an exhaust gas recovery device for a polypropylene production device, comprising a recovery box, an air intake pipe, a water storage tank, a water diversion pipe, an air bleed pipe, a detection box body, an exhaust pipe and a cooling device, wherein the air intake pipe is fixedly connected to the surface of the recovery box, the water storage tank is arranged on the surface of the recovery box, the water diversion pipe is fixedly connected to the surface of the water storage tank, the air bleed pipe is fixedly connected to the surface of the recovery box, the detection box is fixedly connected to the surface of the air diversion pipe, the exhaust pipe is fixedly connected to the surface of the detection box, the cooling device is arranged on the surface of the detection box body, the cooling device comprises a filter plate, the filter plate is fixedly connected to the inner wall of the recovery box, and the inner wall of the recovery box is fixedly connected with a one-way exhaust fan.

[0007] Furthermore, a moisture-proof motor is fixedly connected to the surface of the one-way air induced fan, an anti-slip sealing pad is fixedly connected to the surface of the water storage tank, and a water pump is fixedly connected to the surface of the water diversion pipe.

[0008] Furthermore, a connecting pipe is fixedly connected to the surface of the water pump, a water pipe is fixedly connected to the inner wall of the connecting pipe, a water spray pipe is fixedly connected to the surface of the water pipe, the water spray pipe is engaged with the inner wall of the recovery box, and an atomizing nozzle is fixedly connected to the surface of the water spray pipe.

[0009] Furthermore, a water guide column is fixedly connected to the surface of the water guide pipe, a condenser pipe is embedded in the surface of the water guide column, and a circulation pipe is embedded in the inner wall of the recovery box.

[0010] Furthermore, a drainage device is provided on the surface of the water storage tank, and the drainage device includes a gas detection box, and the gas detection box is fixedly connected to the inner wall of the detection box body, and an air inlet is embedded and connected on the surface of the gas detection box.

[0011] Furthermore, an air vent is provided on the surface of the detection box body, an alarm column is fixedly connected to the surface of the detection box body, a water outlet pipe is fixedly connected to the surface of the water storage tank, a ring is fixedly connected to the surface of the water outlet pipe, a water blocking block is sleeved and connected to the inner wall of the ring, a clamping block is fixedly connected to the surface of the ring, the number of the clamping blocks is two groups and they are symmetrically arranged, a telescopic spring is fixedly connected to the surface of the clamping block, and the end of the telescopic spring away from the clamping block is fixedly connected to the surface of the water blocking block.

[0012] Furthermore, a stabilizing block is fixedly connected to the surface of the water-blocking block, a stabilizing spring is fixedly connected to the surface of the stabilizing block, a positioning column is sleeved and connected to the inner wall of the stabilizing spring, a positioning hole is opened on the surface of the water tank, the positioning column is insert-connected to the inner wall of the positioning hole, a positioning ring is fixedly connected to the surface of the positioning column, and the positioning ring is sleeved and connected to the surface of the stabilizing spring.

[0013] Compared with the prior art, the advantages and positive effects of the utility model are:

[0014] 1. In the utility model, by setting a cooling device, it is convenient to filter and cool the high-temperature gas generated in the production, and the practical use of the atomizing nozzle is more convenient. For this purpose, the gas generated during the production of polypropylene is introduced into the air intake pipe, and then enters the filter plate through the air intake pipe to filter the large particles of impurities in the gas, and then the gas is guided by the one-way air intake fan, and then the water pump is turned on to operate the atomizing nozzle and the condensing pipe, and then the gas is cooled and condensed. Then the water sprayed from the atomizing nozzle re-enters the water storage tank through the circulation pipe, and then the water is pumped by the water pump through the water diversion pipe for water circulation. By setting a cooling device, it is convenient to filter and cool the high-temperature gas generated in the production, and avoid the operation process because the gas contains some flammable and explosive gas molecules when exposed to high temperature, which is relatively unsafe, thereby effectively improving the safety of the equipment.

[0015] 2. In the utility model, a drainage device is provided to facilitate drainage of the water tank. For this purpose, a water blocking block is provided on the inner wall of the water outlet pipe, and the positioning ring is then pulled to stretch its stabilizing spring, and the positioning ring follows the movement of the positioning column to move the stabilizing block upward, and the telescopic spring is stretched and expanded, and the water blocking ring fixedly connected to the stabilizing block follows the movement. When the stabilizing block moves upward to a suitable position, the positioning ring is released, and the stabilizing spring loses its restraint and rebounds, so that the positioning column is inserted and connected to the inner wall of the positioning hole, so that the water in the water tank can flow out through the water outlet pipe. By providing a drainage device, it is convenient to drain the water tank, and it is avoided that the operator needs to pump out and replace the impure water in the water tank during use, which is time-consuming and laborious, thereby effectively improving the convenience of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The utility model provides a three-dimensional structural schematic diagram of a tail gas recovery device for a polypropylene production device;

[0017] Figure 2 The utility model provides a schematic diagram of the main structure of a cooling device in a tail gas recovery device of a polypropylene production device;

[0018] Figure 3 The utility model proposes a tail gas recovery device for a polypropylene production device. Figure 2 Schematic diagram of point A;

[0019] Figure 4 The utility model provides a schematic diagram of the main structure of a drainage device in a tail gas recovery device of a polypropylene production device;

[0020] Figure 5The utility model proposes a tail gas recovery device for a polypropylene production device. Figure 4 Schematic diagram of point B.

[0021] Legend:

[0022] 1. Recovery box; 2. Air inlet pipe; 3. Water storage tank; 4. Water diversion pipe; 5. Air diversion pipe; 6. Detection box body; 7. Exhaust pipe; 8. Cooling device; 9. Drainage device; 81. Filter plate; 82. One-way air fan; 83. Moisture-proof motor; 84. Anti-skid sealing pad; 85. Water pump; 86. Connecting pipe; 87. Water guide pipe; 88. Water spray pipe; 89. Atomizing nozzle; 810. Water diversion column; 811. Condenser; 812. Circulation pipe; 91. Gas detection box; 92. Air inlet hole; 93. Air outlet hole; 94. Alarm column; 95. Water outlet pipe; 96. Ring; 97. Water blocking block; 98. Block; 99. Telescopic spring; 910. Stabilizing block; 911. Stabilizing spring; 912. Positioning column; 913. Positioning hole; 914. Positioning ring. DETAILED DESCRIPTION

[0023] See also Figure 1-5 The utility model provides a technical solution: an exhaust gas recovery device for a polypropylene production device, comprising a recovery box body 1, an air intake pipe 2, a water storage tank 3, a water guide pipe 4, an air guide pipe 5, a detection box body 6, an exhaust pipe 7 and a cooling device 8, the air intake pipe 2 is fixedly connected to the surface of the recovery box body 1, the water storage tank 3 is arranged on the surface of the recovery box body 1, the water guide pipe 4 is fixedly connected to the surface of the water storage tank 3, the air guide pipe 5 is fixedly connected to the surface of the recovery box body 1, the detection box body is fixedly connected to the surface of the air guide pipe 5, the exhaust pipe 7 is fixedly connected to the surface of the detection box body, and the cooling device 8 is arranged on the surface of the detection box body 6.

[0024] The specific arrangement and function of the cooling device 8 and the drainage device 9 will be described in detail below.

[0025] In this embodiment: the cooling device 8 includes a filter plate 81 , the filter plate 81 is fixedly connected to the inner wall of the recovery box 1 , and a one-way air induced fan 82 is fixedly connected to the inner wall of the recovery box 1 .

[0026] The effect achieved by the above components is that by providing the filter plate 81, it is convenient to filter out larger particles of impurities in the gas.

[0027] Specifically, a moisture-proof motor 83 is fixedly connected to the surface of the one-way air induced fan 82 , an anti-slip sealing pad 84 is fixedly connected to the surface of the water storage tank 3 , and a water pump 85 is fixedly connected to the surface of the water diversion pipe 4 .

[0028] The effect achieved by the above components is that by providing the anti-slip sealing pad 84, the recovery box 1 and the water storage tank 3 are conveniently connected to each other in a sealed state.

[0029] Specifically, a connecting pipe 86 is fixedly connected to the surface of the water pump 85, a water pipe 87 is fixedly connected to the inner wall of the connecting pipe 86, a water spray pipe 88 is fixedly connected to the surface of the water pipe 87, the water spray pipe 88 is engaged and connected to the inner wall of the recovery box 1, and an atomizing nozzle 89 is fixedly connected to the surface of the water spray pipe 88.

[0030] The effect achieved by the above components is that by providing the atomizing nozzle 89, the gas in the box can be cooled down.

[0031] Specifically, a water guide column 810 is fixedly connected to the surface of the water guide pipe 87 , a condensation pipe 811 is embedded in the surface of the water guide column 810 , and a circulation pipe 812 is embedded in the inner wall of the recovery box 1 .

[0032] The effect achieved by the above components is: by setting the circulation pipe 812, it is convenient to recycle the water.

[0033] Specifically, a drainage device 9 is provided on the surface of the water storage tank 3 , and the drainage device 9 includes a gas detection box 91 . The gas detection box 91 is fixedly connected to the inner wall of the detection box body 6 , and an air inlet 92 is embedded and connected on the surface of the gas detection box 91 .

[0034] The effects achieved by the above components are: by setting up the gas detection box 91, it is convenient to detect the pollution of the gas on the inner wall of the detection box and to detect the inflammability and explosion.

[0035] Specifically, an air outlet 93 is provided on the surface of the detection box body 6, an alarm column 94 is fixedly connected to the surface of the detection box body 6, a water outlet pipe 95 is fixedly connected to the surface of the water storage tank 3, a ring 96 is fixedly connected to the surface of the water outlet pipe 95, a water blocking block 97 is sleeved on the inner wall of the ring 96, a clamping block 98 is fixedly connected to the surface of the ring 96, and the number of the clamping blocks 98 is symmetrically arranged in two groups, and a telescopic spring 99 is fixedly connected to the surface of the clamping block 98, and one end of the telescopic spring 99 away from the clamping block 98 is fixedly connected to the surface of the water blocking block 97.

[0036] The effect achieved by the above components is that by providing the water blocking block 97 , it is convenient to prevent the water in the water storage tank 3 from flowing out.

[0037] Specifically, the surface of the water-blocking block 97 is fixedly connected to a stabilizing block 910, the surface of the stabilizing block 910 is fixedly connected to a stabilizing spring 911, the inner wall of the stabilizing block 910 is sleeved with a positioning column 912, the positioning column 912 is sleeved with the inner wall of the stabilizing spring 911, a positioning hole 913 is opened on the surface of the water tank 3, the positioning column 912 is inserted and connected to the inner wall of the positioning hole 913, the surface of the positioning column 912 is fixedly connected to a positioning ring 914, and the positioning ring 914 is sleeved with the surface of the stabilizing spring 911.

[0038] The effect achieved by the above components is that the water blocking block 97 is easily fixed by setting the connection between the positioning column 912 and the positioning hole 913 .

[0039] Working principle: By setting up the cooling device 8, it is convenient to filter and cool the high-temperature gas generated in the production. The practical use of the atomizing nozzle 89 is more convenient. For this, the gas generated during the production of polypropylene is introduced into the air inlet pipe 2, and then enters the filter plate 81 through the air inlet pipe 2 to filter the large particles in the gas. Then the gas is guided by the one-way air induced fan 82, and then the water pump 85 is turned on to make the atomizing nozzle 89 and the condensation pipe 811 operate, and then the gas is cooled and condensed. Then the water sprayed by the atomizing nozzle 89 re-enters the water storage tank 3 through the circulation pipe 812, and then the water is pumped by the water pump 85 through the water inlet pipe 4 for water circulation. By setting up the cooling device 8, it is convenient to filter and cool the high-temperature gas generated in the production, and avoid the operation process because the gas contains some flammable and explosive gas molecules when exposed to high temperature, which is relatively unsafe. This effectively improves the safety of the equipment. In addition, by The drain device 9 is provided to facilitate drainage of the water storage tank 3. For this purpose, the water blocking block 97 is provided on the inner wall of the water outlet pipe 95, and the positioning ring 914 is then pulled to stretch the stabilizing spring 911, and the positioning ring 914 follows the positioning column 912 to move the stabilizing block 910 upward, and the telescopic spring 99 is stretched and expanded, and the water blocking ring fixedly connected to the stabilizing block 910 follows the movement. When the stabilizing block 910 moves upward and is adjusted to a suitable position, the positioning ring 914 is released, and the stabilizing spring 911 rebounds after losing its restraint, so that the positioning column 912 is inserted and connected to the inner wall of the positioning hole 913, so that the water in the water storage tank 3 can flow out through the water outlet pipe 95. By providing the drain device 9, it is convenient to drain the water storage tank 3, and it is avoided that the operator needs to pump out and replace the impurity water in the water storage tank 3 during use, which is time-consuming and laborious, thereby effectively improving the convenience of the equipment.

Claims

1. A tail gas recovery device for a polypropylene production device, comprising a recovery box (1), an air intake pipe (2), a water storage tank (3), a water intake pipe (4), an air intake pipe (5), a detection box body (6), an exhaust pipe (7) and a cooling device (8), characterized in that: The air intake pipe (2) is fixedly connected to the surface of the recovery box (1), the water storage tank (3) is arranged on the surface of the recovery box (1), the water induction pipe (4) is fixedly connected to the surface of the water storage tank (3), the air induction pipe (5) is fixedly connected to the surface of the recovery box (1), the detection box body is fixedly connected to the surface of the air induction pipe (5), the exhaust pipe (7) is fixedly connected to the surface of the detection box body, the cooling device (8) is arranged on the surface of the detection box body (6), the cooling device (8) comprises a filter plate (81), the filter plate (81) is fixedly connected to the inner wall of the recovery box (1), and the inner wall of the recovery box (1) is fixedly connected with a one-way air induction fan (82).

2. The tail gas recovery device of a polypropylene production device according to claim 1, characterized in that: A moisture-proof motor (83) is fixedly connected to the surface of the one-way air intake fan (82), an anti-slip sealing pad (84) is fixedly connected to the surface of the water storage tank (3), and a water pump (85) is fixedly connected to the surface of the water diversion pipe (4).

3. The tail gas recovery device of a polypropylene production device according to claim 2, characterized in that: A connecting pipe (86) is fixedly connected to the surface of the water pump (85), a water guide pipe (87) is fixedly connected to the inner wall of the connecting pipe (86), a water spray pipe (88) is fixedly connected to the surface of the water guide pipe (87), the water spray pipe (88) is engaged with the inner wall of the recovery box (1), and an atomizing nozzle (89) is fixedly connected to the surface of the water spray pipe (88).

4. The tail gas recovery device of a polypropylene production device according to claim 3, characterized in that: A water guide column (810) is fixedly connected to the surface of the water guide pipe (87), a condensation pipe (811) is embedded in the surface of the water guide column (810), and a circulation pipe (812) is embedded in the inner wall of the recovery box (1).

5. The tail gas recovery device of a polypropylene production device according to claim 1, characterized in that: A drainage device (9) is provided on the surface of the water storage tank (3), the drainage device (9) comprising a gas detection box (91), the gas detection box (91) being fixedly connected to the inner wall of the detection box body (6), and an air inlet hole (92) being embedded and connected on the surface of the gas detection box (91).

6. The tail gas recovery device of a polypropylene production device according to claim 5, characterized in that: An air outlet (93) is provided on the surface of the detection box body (6); an alarm column (94) is fixedly connected to the surface of the detection box body (6); a water outlet pipe (95) is fixedly connected to the surface of the water storage tank (3); a collar (96) is fixedly connected to the surface of the water outlet pipe (95); a water blocking block (97) is sleeved and connected to the inner wall of the collar (96); a clamping block (98) is fixedly connected to the surface of the collar (96); the clamping blocks (98) are symmetrically arranged in two groups; a telescopic spring (99) is fixedly connected to the surface of the clamping block (98); and one end of the telescopic spring (99) away from the clamping block (98) is fixedly connected to the surface of the water blocking block (97).

7. The tail gas recovery device of a polypropylene production device according to claim 6, characterized in that: The surface of the water blocking block (97) is fixedly connected to a stabilizing block (910), the surface of the stabilizing block (910) is fixedly connected to a stabilizing spring (911), the inner wall of the stabilizing block (910) is sleeved with a positioning column (912), the positioning column (912) is sleeved and connected to the inner wall of the stabilizing spring (911), a positioning hole (913) is opened on the surface of the water storage tank (3), the positioning column (912) is plugged and connected to the inner wall of the positioning hole (913), the surface of the positioning column (912) is fixedly connected to a positioning ring (914), and the positioning ring (914) is sleeved and connected to the surface of the stabilizing spring (911).

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