Medical waste treatment tail gas quenching and spraying mechanism

Abstract

The utility model discloses a medical waste treatment tail gas quenching spraying mechanism which comprises a spraying tower body, a gas inlet horizontal coil pipe is installed above filler located on the upper portion through a hanging bracket on the inner wall of the spraying tower body, and gas inlets are evenly formed in the upper surface and the circumferential outer wall of the gas inlet horizontal coil pipe. The top of the spraying tower body is fixedly connected with a steam collecting cover communicated with the spraying tower body, a communicating pipe is mounted on the steam collecting cover, and primary convex spraying heads for spraying upwards and downwards are mounted at the top and the bottom of the water storage barrel respectively; and a secondary convex spraying head for spraying upwards is mounted above each filler below the uppermost filler through a hanging bracket. According to the spray tower disclosed by the utility model, the gas inlet horizontal coil pipe, the steam collecting cover, the communicating pipe, the steam extraction pump, the primary convex spray head and the secondary convex spray head are matched to work, so that the problems that the contact degree of a water curtain and tail gas of a spray tower adopted in the current industry is poor, and water vapor generated by spraying is gathered at the top in the spray tower and cannot circulate are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of tail gas treatment spray towers, in particular to a medical waste treatment tail gas rapid cooling spray mechanism. Background Art

[0002] The spray tower can be used for tail gas generated by medical waste treatment. Through the spraying effect, on the one hand, it can quickly cool down the tail gas produced by high-temperature combustion, and on the other hand, it can remove harmful substances dissolved in water or dissolved in liquid medicine in water. It is an important equipment for the treatment of tail gas from medical waste incineration.

[0003] The spray towers currently used in the industry mostly have horizontal spray coils as their internal spray structure, and the air intake structure is mostly direct air intake from the air intake pipe. The bottom of the horizontal spray coil is provided with spray holes, and the spray water sprays the exhaust gas input from the air intake pipe downward from the spray holes. However, the spray towers currently used in the industry mainly have the following problems:

[0004] 1. The water curtain sprayed by the horizontal spray coil is vertical and there is a gap between them. The air intake pipe directly intakes the air, and the exhaust gas is not dispersed, resulting in insufficient contact between the water curtain and the exhaust gas. Multi-stage horizontal spray coils and fillers are required, resulting in poor spraying effect, large height and size of the spray tower, large fillers, fast consumption, and high cost;

[0005] 2. Spraying high-temperature exhaust gas generates a large amount of water vapor. The water vapor rises and gathers at the top of the spray tower and cannot circulate, causing the temperature at the top of the spray tower to be high and unable to cool down, which in turn leads to a decrease in the exhaust gas cooling efficiency. Utility Model Content

[0006] In view of the deficiencies in the prior art, the utility model provides a medical waste treatment tail gas rapid cooling spray mechanism, which is used to solve the problems of poor contact between the water curtain and the tail gas in the spray tower currently used in the industry and the water vapor generated by the spraying gathering at the top of the spray tower and being unable to circulate.

[0007] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0008] A medical waste treatment tail gas quenching spray mechanism comprises a spray tower body, wherein an air inlet pipe and an air outlet pipe are respectively installed near the top and the bottom of the spray tower body, a water tank is arranged at the bottom of the spray tower body, at least two groups of fillers are arranged inside the spray tower body above the water tank, an air inlet horizontal coil is installed above the fillers located above through a hanger on the inner wall of the spray tower body, and air inlets are evenly arranged on the upper surface and the circumferential outer wall of the air inlet horizontal coil, a steam collecting hood connected to the spray tower body is fixedly connected to the top of the spray tower body, a connecting pipe is installed on the steam collecting hood, the air inlet pipe and the connecting pipe are both connected to the air inlet horizontal coil, and a steam extraction pump is installed on the connecting pipe;

[0009] A water storage cylinder is installed on the hanger passing through the top of the horizontal air intake coil, and primary convex spray heads for spraying upward and downward are installed on the top and bottom of the water storage cylinder respectively. A secondary convex spray head for spraying upward is installed above each filler located below the topmost filler through the hanger, and the water storage cylinder and the secondary convex spray head are connected to the water tank through a return pipe and a booster pump.

[0010] Preferably, a water supply pipe corresponding to the water tank is also installed on the spray tower body.

[0011] Preferably, the air inlet end of the air outlet pipe is bent downward.

[0012] Preferably, the top of the spray tower body is a curved surface with a central portion convexly facing upward, and the steam collecting hood is arranged at the center of the top of the spray tower body.

[0013] Preferably, the secondary convex surface sprinkler head is arranged near the lower filler.

[0014] Preferably, a valve corresponding to the water storage cylinder and the secondary convex sprinkler head is installed on the return water pipe.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] The utility model disperses the high-temperature tail gas upward by arranging the air intake horizontal coil, sprays the arc-shaped water curtain upward and downward through the primary convex spray head, and sprays the arc-shaped water curtain upward through the secondary convex spray head. The droplets of the water curtain have high disorder, which greatly improves the contact effect with the tail gas, thereby eliminating the need for multi-stage fillers, reducing the height and size of the spray tower, reducing the amount of fillers, slowing down the consumption of fillers, and reducing costs;

[0017] The high-temperature water vapor is recovered by setting up a steam collecting hood, and is transported to the horizontal air intake coil through a steam extraction pump and a connecting pipe for redispersion and spraying, so as to quickly cool down the top of the spray tower and avoid adverse effects on the exhaust gas cooling efficiency.

[0018] Through the coordinated operation of the air intake horizontal coil, steam collecting hood, connecting pipe, steam extraction pump, primary convex spray head and secondary convex spray head, the problems of poor contact between the water curtain and the exhaust gas in the spray tower currently used in the industry and the water vapor generated by the spraying gathering at the top of the spray tower and being unable to circulate are solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the internal structure of the utility model;

[0021] Figure 3This is a top view of the air intake horizontal coil of the utility model.

[0022] In the figure: 1. Spray tower body; 2. Air inlet pipe; 3. Air outlet pipe; 4. Water tank; 5. Filler; 6. Hanger; 7. Horizontal air inlet coil; 8. Air inlet; 9. Steam collecting hood; 10. Connecting pipe; 11. Steam extraction pump; 12. Water storage cylinder; 13. Primary convex sprinkler head; 14. Secondary convex sprinkler head; 15. Return pipe; 16. Booster pump; 17. Water supply pipe; 18. Valve. DETAILED DESCRIPTION

[0023] 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.

[0024] like Figure 1-3 As shown, the utility model provides a technical solution: a medical waste treatment tail gas quenching spray mechanism, comprising a spray tower body 1, an air inlet pipe 2 and an air outlet pipe 3 are respectively installed near the top and the bottom of the spray tower body 1, the air inlet end of the air outlet pipe 3 is bent downward, a water tank 4 is arranged at the bottom of the spray tower body 1, a water supply pipe 17 corresponding to the water tank 4 is also installed on the spray tower body 1, and at least two groups of fillers 5 are arranged above the water tank 4 inside the spray tower body 1;

[0025] An air intake horizontal coil 7 is installed above the filler 5 through a hanger 6 on the inner wall of the spray tower body 1. Air intake ports 8 are evenly arranged on the upper surface and the circumferential outer wall of the air intake horizontal coil 7. A steam collecting hood 9 connected to the spray tower body 1 is fixedly connected to the top of the spray tower body 1. The top of the spray tower body 1 is a curved surface with a central upward protrusion. The steam collecting hood 9 is arranged at the center of the top of the spray tower body 1. A connecting pipe 10 is installed on the steam collecting hood 9. The air intake pipe 2 and the connecting pipe 10 are both connected to the air intake horizontal coil 7, and a steam extraction pump 11 is installed on the connecting pipe 10.

[0026] A water storage cylinder 12 is installed on the hanger 6 passing through the top of the intake horizontal coil 7, and primary convex spray heads 13 for spraying upward and downward are respectively installed on the top and bottom of the water storage cylinder 12. A secondary convex spray head 14 for spraying upward is installed above each filler 5 located below the topmost filler 5 through the hanger 6. The secondary convex spray head 14 is arranged at a position close to the filler 5 below. The water storage cylinder 12 and the secondary convex spray head 14 are connected to the water tank 4 through a return pipe 15 and a booster pump 16, and a valve 18 corresponding to the water storage cylinder 12 and the secondary convex spray head 14 is installed on the return pipe 15.

[0027] Working principle: The high-temperature exhaust gas is dispersed upward by setting the air intake horizontal coil 7, and the arc-shaped water curtain is sprayed upward and downward by the primary convex spray head 13, and the arc-shaped water curtain is sprayed upward by the secondary convex spray head 14. The droplets of the water curtain have a high degree of chaos, which greatly improves the contact effect with the exhaust gas, thereby eliminating the need for multi-stage filler 5, reducing the height and size of the spray tower, reducing the amount of filler 5, slowing down the consumption of filler 5, and reducing costs; the high-temperature water vapor is recovered by setting the steam collecting hood 9, and is transported to the air intake horizontal coil 7 through the steam extraction pump 11 and the connecting pipe 10 for redispersion and spraying, so as to quickly cool the top of the spray tower body 1 and avoid adverse effects on the exhaust gas cooling efficiency.

[0028] It should be noted that, in this article, terms such as "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes 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 apparatus.

[0029] Although 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 medical waste treatment tail gas rapid cooling spray mechanism, comprising a spray tower body (1), wherein the spray tower body (1) is respectively provided with an air inlet pipe (2) and an air outlet pipe (3) near the top and the bottom, a water tank (4) is provided at the bottom of the spray tower body (1), and at least two groups of fillers (5) are provided inside the spray tower body (1) above the water tank (4), characterized in that: An air intake horizontal coil (7) is installed above the filler (5) through a hanger (6) on the inner wall of the spray tower body (1), and air intake ports (8) are evenly arranged on the upper surface and the circumferential outer wall of the air intake horizontal coil (7). A steam collecting hood (9) connected to the spray tower body (1) is fixedly connected to the top of the spray tower body (1), and a connecting pipe (10) is installed on the steam collecting hood (9). The air intake pipe (2) and the connecting pipe (10) are both connected to the air intake horizontal coil (7), and a steam extraction pump (11) is installed on the connecting pipe (10); A water storage cylinder (12) is installed on the hanger (6) passing through the top of the air intake horizontal coil (7), and primary convex spray heads (13) for spraying upward and downward are installed on the top and bottom of the water storage cylinder (12) respectively. A secondary convex spray head (14) for spraying upward is installed above each filler (5) located below the topmost filler (5) through the hanger (6), and the water storage cylinder (12) and the secondary convex spray head (14) are connected to the water tank (4) through a return pipe (15) and a booster pump (16).

2. A medical waste treatment tail gas rapid cooling spray mechanism according to claim 1, characterized in that: The spray tower body (1) is also provided with a water supply pipe (17) corresponding to the water tank (4).

3. A medical waste treatment tail gas rapid cooling spray mechanism according to claim 1, characterized in that: The air inlet end of the air outlet pipe (3) is bent downward.

4. A medical waste treatment tail gas rapid cooling spray mechanism according to claim 1, characterized in that: The top of the spray tower body (1) is a curved surface with a central protrusion upward, and the steam collecting hood (9) is arranged at the center of the top of the spray tower body (1).

5. The medical waste treatment tail gas rapid cooling spray mechanism according to claim 1, characterized in that: The secondary convex surface spray head (14) is arranged at a position close to the lower filler (5).

6. A medical waste treatment tail gas rapid cooling spray mechanism according to claim 1, characterized in that: The water return pipe (15) is provided with a valve (18) corresponding to the water storage cylinder (12) and the secondary convex surface sprinkler head (14).

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