Die-casting waste gas cooling device

Abstract

The utility model discloses a die-casting waste gas cooling device which comprises a shell, one side of the bottom of the shell is fixedly connected with a gas inlet pipe, one end of the gas inlet pipe is fixedly connected with one end of a coil pipe, the coil pipe is arranged in the shell, the other end of the coil pipe is fixedly connected with one end of an L-shaped connecting pipe, and the other end of the L-shaped connecting pipe is fixedly connected with one side of the top of a vertical pipe. The vertical pipe is coaxially and fixedly sleeved in the shell, the bottom of the vertical pipe extends out of the shell, and the bottom end of the vertical pipe is fixedly connected with the blow-down valve; one side of the bottom of the vertical pipe is fixedly connected with one end of a connecting hose, the connecting hose is arranged outside the shell, and the other end of the connecting hose is fixedly connected with a purifying box. Die-casting waste gas is introduced into the coil pipe, cooling water is injected into the shell, after the die-casting waste gas penetrates through the coil pipe, the high-temperature waste gas in the coil pipe is cooled through the cooling water in the shell, then the high-temperature waste gas enters the vertical pipe, and condensate water generated during waste gas cooling is driven by airflow flowing and then combined with the gravity effect to be collected at the bottom of the vertical pipe.

Description

Technical Field

[0001] The utility model relates to the technical field of die-casting waste gas treatment, in particular to a die-casting waste gas cooling device. Background Art

[0002] The die-casting machine hydraulically injects molten metal into the mold under pressure for cooling and forming, and obtains solid metal castings after the mold is opened. The existing die-casting machine equipment generates a lot of waste gas in the cooling system during operation. Since there is no recovery and purification device, the gas remains in the workshop and pollutes the workshop environment. The waste gas is usually directly discharged by the exhaust system, which not only pollutes the workshop environment, but also pollutes the atmospheric environment, which needs to be improved.

[0003] In this regard, a Chinese patent with publication number CN220969467U discloses a die-casting waste gas collection device, including an air suction device, an adsorption component and a filter component; the air suction device includes a front hose, an air suction cylinder and a No. 1 exhaust fan, one end of the front hose is connected to the air suction cylinder, and the other end is connected to the No. 1 exhaust fan, the adsorption component includes an adsorption box, an electrostatic field and an adsorber, the adsorption box is fixedly connected to the No. 1 exhaust fan, the number of electrostatic fields is multiple, and the multiple electrostatic fields are respectively detachably connected to the adsorption box, the number of adsorbers is multiple, and the multiple adsorbers are respectively connected to the multiple electrostatic fields, and the filter component is connected to the adsorption box, which solves the problem of using a die-casting machine waste gas collection and treatment device to collect waste gas generated by die-casting. When the amount of waste gas generated is too much, the incompletely purified waste gas is discharged into the workshop, affecting the health of the workers.

[0004] Although the device can collect and purify the waste gas, the waste gas contains a lot of heat. The high temperature waste gas will cause the electrostatic field to fail and affect the working effect of the electrostatic field. Therefore, we propose a die-casting waste gas cooling device to solve the above problem. Utility Model Content

[0005] The purpose of the utility model is to provide a die-casting waste gas cooling device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a die-casting waste gas cooling device, comprising a shell, one side of the bottom of the shell is fixedly connected to an intake pipe, one end of the intake pipe is fixedly connected to one end of a coil, the coil is arranged in the shell, the other end of the coil is fixedly connected to one end of an L-shaped connecting pipe, the other end of the L-shaped connecting pipe is fixedly connected to one side of the top of a vertical pipe, the vertical pipe is coaxially fixedly sleeved in the shell, the bottom of the vertical pipe extends out of the shell and the bottom end of the vertical pipe is fixedly connected to a drain valve;

[0007] One side of the bottom of the vertical pipe is fixedly connected to one end of a connecting hose, the connecting hose is arranged outside the shell, and the other end of the connecting hose is fixedly connected to a purification box.

[0008] Preferably, the shell is a columnar structure, and the bottom end of the shell is fixedly connected to a plurality of supporting legs, and the supporting legs are evenly distributed around the circumference.

[0009] Preferably, the coil is a spiral structure and is arranged outside the vertical pipe.

[0010] Preferably, one side of the top end of the shell is fixedly connected to a water inlet pipe, the water inlet pipe is arranged between the inner wall of the shell and the outer wall of the vertical pipe, and one side of the bottom end of the shell is fixedly connected to a drain valve.

[0011] Preferably, one end of the purification box away from the connecting hose is fixedly connected to the air outlet pipe.

[0012] Preferably, a box door is hinged on one side of the purification box, a coarse filter plate is fixedly installed on one side of the purification box, the coarse filter plate is arranged on the side close to the connecting hose, a fine filter plate is provided on the side of the coarse filter plate away from the connecting hose, and an adsorption plate is provided on the side of the fine filter plate away from the coarse filter plate.

[0013] Compared with the prior art, the utility model has the following beneficial effects: die-casting exhaust gas is introduced through the inside of the coil, cooling water is injected into the inside of the shell, and after the die-casting exhaust gas passes through the coil, the cooling water inside the shell cools down the high-temperature exhaust gas in the coil, and then the high-temperature exhaust gas enters the vertical pipe. The condensed water produced by the exhaust gas cooling is driven by the flow of air and the action of gravity to gather at the bottom of the vertical pipe, avoiding blockage of the coil, and then the exhaust gas is transported to the purification box through the connecting hose for purification treatment. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0015] Figure 2 This is a schematic diagram of the internal structure of the housing of the utility model;

[0016] Figure 3 It is a schematic diagram of the cross-sectional structure of the utility model.

[0017] In the figure: shell 1, air inlet pipe 2, coil 3, L-shaped connecting pipe 4, vertical pipe 5, drain valve 6, connecting hose 7, purification box 8, box door 81, adsorption plate 82, fine filter plate 83, coarse filter plate 84, air outlet pipe 9, water inlet pipe 10, drain valve 11, support leg 12. 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] Example 1

[0020] Reference Figure 1 , 2 , which is the first embodiment of the utility model, and provides a die-casting waste gas cooling device, including a shell 1, one side of the bottom of the shell 1 is fixedly connected to the intake pipe 2, one end of the intake pipe 2 is fixedly connected to one end of the coil 3, the coil 3 is arranged in the shell 1, the other end of the coil 3 is fixedly connected to one end of the L-shaped connecting pipe 4, the other end of the L-shaped connecting pipe 4 is fixedly connected to the top side of the vertical pipe 5, the vertical pipe 5 is coaxially fixedly sleeved in the shell 1, the bottom of the vertical pipe 5 extends out of the shell 1 and the bottom end of the vertical pipe 5 is fixedly connected to the drain valve 6;

[0021] One side of the bottom of the vertical pipe 5 is fixedly connected to one end of a connecting hose 7 . The connecting hose 7 is arranged outside the shell 1 . The other end of the connecting hose 7 is fixedly connected to a purification box 8 .

[0022] Cooling water is injected into the shell 1 through the water inlet pipe 10, and the cooling water overflows the L-shaped connecting pipe 4. The air inlet pipe 2 is connected to the die-casting exhaust gas discharge end through the pipeline. The die-casting exhaust gas enters the coil 3 through the air inlet pipe 2, and then enters the L-shaped connecting pipe 4 through the coil 3. The high-temperature exhaust gas flowing through the coil 3 is cooled by the cooling water inside the shell 1. The cooled exhaust gas enters the top of the vertical pipe 5 from the L-shaped connecting pipe 4, and then flows from top to bottom through the vertical pipe 5, and finally enters the connecting hose 7. When the exhaust gas flows through the vertical pipe 5, the cooling water in the shell 1 cools the exhaust gas in the vertical pipe 5 again, and at the same time The condensed water generated during the exhaust gas cooling process enters the vertical pipe 5 driven by the air flow, and then gathers at the bottom of the vertical pipe 5 with the help of gravity to avoid clogging the coil 6. When the condensed water needs to be discharged, the drain valve 6 at the bottom of the vertical pipe 5 is opened to discharge and collect the condensed water collected inside the vertical pipe 5. The exhaust gas passes through the connecting hose 7 and enters the purification box 8. The coarse particulate matter in the exhaust gas is filtered through the coarse filter plate 84, and then the exhaust gas is filtered again through the fine filter plate 83. Finally, the harmful gas in the exhaust gas is adsorbed by the adsorption plate 82. The adsorption plate 82 can use an activated carbon plate.

[0023] Example 2

[0024] Reference Figure 1-3, which is the second embodiment of the utility model, and this embodiment is based on the previous embodiment. Specifically, the shell 1 is a cylindrical structure, and the bottom end of the shell 1 is fixedly connected to a plurality of supporting legs 12, and the supporting legs 12 are evenly distributed around the circumference. The supporting legs 12 support the shell 1 so that there is a certain height space between the shell 1 and the ground, which facilitates the bottom of the vertical pipe 5 to be exposed outside the shell 1. The connecting hose 7 is arranged at the bottom of the shell 1, and there is a certain height difference between the connecting hose 7 and the bottom end of the vertical pipe 5, so that the condensed water has a certain collection space.

[0025] Specifically, the coil 3 is a spiral structure and is arranged outside the vertical pipe 5. The coil 3 is a spiral structure and is arranged outside the vertical pipe 5, thereby increasing the flow distance of the exhaust gas and improving the cooling effect.

[0026] Specifically, one side of the top of the shell 1 is fixedly connected to an inlet pipe 10, which is arranged between the inner wall of the shell 1 and the outer wall of the vertical pipe 5. One side of the bottom of the shell 1 is fixedly connected to a drain valve 11. Cooling water is injected into the shell 1 through the inlet pipe 10. The cooling water overflows the L-shaped connecting pipe 4. The air intake pipe 2 is connected to the die-casting exhaust gas discharge end through a pipeline. The die-casting exhaust gas enters the coil 3 through the air intake pipe 2, and then enters the L-shaped connecting pipe 4 through the coil 3. The high-temperature exhaust gas flowing through the coil 3 is cooled by the cooling water inside the shell 1. The cooled exhaust gas enters the top of the vertical pipe 5 from the L-shaped connecting pipe 4 and is connected to the pipeline through the drain valve 11, so as to facilitate the recycling of the cooling water inside the shell 1. After the cooling water inside the shell 1 absorbs the heat of the high-temperature exhaust gas, the water temperature increases, and the water with increased temperature can be recycled.

[0027] Specifically, one end of the purification box 8 away from the connecting hose 7 is fixedly connected to the gas outlet pipe 9 , and the gas purified by the purification box 8 is discharged through the gas outlet pipe 9 .

[0028] Specifically, a door 81 is hinged on one side of the purification box 8, and a coarse filter plate 84 is fixedly installed on one side of the purification box 8. The coarse filter plate 84 is arranged on a side close to the connecting hose 7, and a fine filter plate 83 is arranged on the side of the coarse filter plate 84 away from the connecting hose 7. An adsorption plate 82 is arranged on the side of the fine filter plate 83 away from the coarse filter plate 84, and an activated carbon plate can be used for the adsorption plate 82. The waste gas passes through the connecting hose 7 and enters the purification box 8, and the coarse particulate matter in the waste gas is filtered by the coarse filter plate 84, and then the waste gas is filtered again by the fine filter plate 83, and finally the harmful gas in the waste gas is adsorbed by the adsorption plate 82.

[0029] Example 3

[0030] Reference Figure 1-3, which is the third embodiment of the utility model. This embodiment is based on the above two embodiments. When in use, cooling water is injected into the shell 1 through the water inlet pipe 10, and the cooling water overflows the L-shaped connecting pipe 4. The air inlet pipe 2 is connected to the die-casting exhaust gas discharge end through the pipeline. The die-casting exhaust gas enters the coil 3 through the air inlet pipe 2, and then enters the L-shaped connecting pipe 4 through the coil 3. The high-temperature exhaust gas flowing through the coil 3 is cooled by the cooling water inside the shell 1. The cooled exhaust gas enters the top of the vertical pipe 5 from the L-shaped connecting pipe 4, and then flows from top to bottom through the vertical pipe 5, and finally enters the connecting hose 7. When the exhaust gas flows through the vertical pipe 5, the shell 1 The cooling water in the vertical pipe 5 cools down the exhaust gas in the vertical pipe 5 again. At the same time, the condensed water generated during the exhaust gas cooling process enters the vertical pipe 5 under the drive of the airflow, and then gathers at the bottom of the vertical pipe 5 with the action of gravity to avoid clogging the coil 6. When the condensed water needs to be discharged, the drain valve 6 at the bottom of the vertical pipe 5 is opened to discharge and collect the condensed water collected in the vertical pipe 5. The exhaust gas passes through the connecting hose 7 into the purification box 8, and the coarse particulate matter in the exhaust gas is filtered through the coarse filter plate 84, and then the exhaust gas is filtered again through the fine filter plate 83, and finally the harmful gas in the exhaust gas is adsorbed by the adsorption plate 82.

[0031] Although the embodiments of the present invention 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 invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A die-casting waste gas cooling device, comprising a housing (1), characterized in that: One side of the bottom of the shell (1) is fixedly connected to an air intake pipe (2), one end of the air intake pipe (2) is fixedly connected to one end of a coil (3), the coil (3) is arranged in the shell (1), the other end of the coil (3) is fixedly connected to one end of an L-shaped connecting pipe (4), the other end of the L-shaped connecting pipe (4) is fixedly connected to one side of the top of a vertical pipe (5), the vertical pipe (5) is coaxially fixedly sleeved in the shell (1), the bottom of the vertical pipe (5) protrudes out of the shell (1) and the bottom end of the vertical pipe (5) is fixedly connected to a sewage valve (6); One end of a connecting hose (7) is fixedly connected to one side of the bottom of the vertical pipe (5); the connecting hose (7) is arranged outside the shell (1); and the other end of the connecting hose (7) is fixedly connected to a purification box (8).

2. The die casting waste gas cooling device according to claim 1, characterized in that: The shell (1) is a columnar structure; the bottom end of the shell (1) is fixedly connected to a plurality of support legs (12), and the support legs (12) are evenly distributed around the circumference.

3. The die casting waste gas cooling device according to claim 1, characterized in that: The coil (3) is a spiral structure and is arranged outside the vertical pipe (5).

4. The die casting waste gas cooling device according to claim 1, characterized in that: The top side of the shell (1) is fixedly connected to a water inlet pipe (10), the water inlet pipe (10) is arranged between the inner wall of the shell (1) and the outer wall of the vertical pipe (5), and the bottom side of the shell (1) is fixedly connected to a drain valve (11).

5. The die casting waste gas cooling device according to claim 1, characterized in that: One end of the purification box (8) away from the connecting hose (7) is fixedly connected to the air outlet pipe (9).

6. The die casting waste gas cooling device according to claim 1, characterized in that: A box door (81) is hingedly connected to one side of the purification box (8), a coarse filter plate (84) is fixedly installed on one side of the purification box (8), the coarse filter plate (84) is arranged on a side close to the connecting hose (7), a fine filter plate (83) is arranged on a side of the coarse filter plate (84) away from the connecting hose (7), and an adsorption plate (82) is arranged on a side of the fine filter plate (83) away from the coarse filter plate (84).

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