Multi-tube parallel free rotary thread demisting device

Abstract

The multi-tube parallel free rotary thread demisting device includes a soot pit, a side liquid guide plate, liquid accumulation units, free rotary thread units, a fixing support, a flue gas inlet, motor connecting shafts, motors, a casing, a flue gas outlet, and a base support. A main body of the device includes a plurality of free rotary thread units and a plurality of liquid accumulation units that are mounted in parallel. The motors are mounted on an outer wall of the casing. The free rotary thread units are connected to the motors via the motor connecting shafts respectively. The motor connecting shafts are fixed via the fixing support. The device has low resistance, high efficiency, and high flue gas treatment throughput, and can avoid scaling and jamming.

Claims

1. A multi-tube parallel free rotary thread demisting device, comprising a soot pit, a side liquid guide plate, liquid accumulation units, free rotary thread units, a fixing support, a flue gas inlet, motor connecting shafts, motors, a casing, a flue gas outlet, and a base support, wherein said flue gas inlet is connected to one end of the casing, wherein the motors, the motor connecting shafts, the fixing support, the free rotary thread units, the liquid accumulation unit, the side liquid guide plate, and the soot pit are mounted in the casing sequentially from top to bottom, being supported by the base support, and wherein the other end of the casing is connected to the flue gas outlet.

2. The multi-tube parallel free rotary thread demisting device according to claim 1, further comprising a plurality of free rotary thread units and a plurality of liquid accumulation units connected in parallel.

3. The multi-tube parallel free rotary thread demisting device according to claim 1, wherein each free rotary thread unit comprises an anti-coiling structure, a rotary thread mounting disc, and free rotary threads, wherein the free rotary threads are mounted on the rotary thread mounting disc in central symmetry, wherein the rotary thread material is water absorbing fibers, wherein the rotary thread length is smaller than the inner diameter of a liquid guide cylinder by 1020 mm, wherein the diameter of each rotary thread is 46 mm, wherein, altogether there are 80120 rotary threads provided, and wherein said rotary thread mounting disc is connected to the motor via the motor connecting shaft.

4. The multi-tube parallel free rotary thread demisting device according to claim 1, wherein each liquid accumulation unit comprises a liquid guide cylinder and a liquid accumulation plate, wherein the liquid guide cylinder is mounted on the liquid accumulation plate, wherein the other end of the liquid guide cylinder is fixed by the fixing support, wherein the liquid guide cylinder is in diameter of 470490 mm, wherein liquid drain pores are arranged in the bottom of the liquid guide cylinder in central symmetry, wherein the liquid drain pores are in height of 100120 mm, wherein there are 46 liquid drain pores provided, wherein annular protrusions and overflow pores are evenly distributed on the liquid accumulation plate, wherein the annular protrusions are in height of 140160 mm, and wherein the annular protrusions and the overflow pores have 440460 mm inner diameter.

5. The multi-tube parallel free rotary thread demisting device according to claim 1, wherein said free rotary thread unit is connected to the motor via the motor connecting shaft, and wherein the motor connecting shaft is fixed via the fixing support.

6. The multi-tube parallel free rotary thread demisting device according to claim 1, wherein said motor is mounted on an outer wall of the casing.

Description

BRIEF DESCRIPTION OF THE SEVERAL VIEWS OF THE DRAWINGS

(1) FIG. 1 is a schematic view of a diagram of a structure of the device according to the present invention.

(2) FIG. 2 is a sectional view A-A of the structure shown in FIG. 1.

(3) FIG. 3 is a schematic view of a structural diagram of the free rotary thread unit 4 shown in FIG. 1.

(4) FIG. 4 is a schematic view of a structural diagram of the liquid accumulation unit 3 shown in FIG. 1.

(5) FIG. 5 is a schematic view of a structural diagram of the liquid guide cylinder 17 shown in FIG. 4.

(6) FIG. 6 is a schematic view of a structural diagram of the liquid accumulation plate 18 shown in FIG. 4.

(7) FIG. 7 is a schematic view of a diagram of another structure of the device according to the present invention.

(8) FIG. 8 is a sectional view B-B of the structure shown in FIG. 7.

(9) FIG. 9 is a sectional view of a structural diagram of the section B-C of the structure shown in FIG. 7.

DETAILED DESCRIPTION OF THE INVENTION

(10) Hereunder the present invention will be further detailed in embodiments with reference to the accompanying drawings, but the protection scope of the present invention is not limited to those embodiments.

Embodiment 1

(11) The present invention provides a multi-tube parallel free rotary thread demisting device. As shown in FIG. 1, the demisting device comprises a soot pit 1, a side liquid guide plate 2, liquid accumulation units 3, free rotary thread units 4, a fixing support 5, a flue gas inlet 6, motor connecting shafts 7, motors 8, a casing 9, a flue gas outlet 10, and a base support 11.

(12) As shown in FIG. 1, the flue gas inlet 6 is connected to flue gas supply from an external desulfurization tower, the motors 8 are mounted outside the casing 9 and are connected to the free rotary thread units 4 via the motor connecting shafts 7 respectively, and the motor connecting shafts 7 are fixed by the fixing support 5; the liquid accumulation units 3 are disposed below the corresponding free rotary thread units 4, the top end of each liquid accumulation unit 3 is connected to the fixing support 5, and the bottom end of the liquid accumulation unit 3 is connected to the casing 9 and the side liquid guide plate 2; one end of the side liquid guide plate 2 is connected to the liquid accumulation units 3, and the other end of the side liquid guide plate 2 is connected to the soot pit 1; the flue gas outlet 10 is connected to the inlet of an external flue gas stack, and the bottom of the device is supported by the base support 11.

(13) As shown in FIGS. 1 and 2, the free rotary thread units 4 are evenly distributed inside the device, the plurality of free rotary thread units 4 and the plurality of liquid accumulation units 3 are mounted in parallel, the fixing support 5 is connected to the cylinder of each liquid accumulation unit 3 and is fixedly mounted inside the device, and consists of bearings 12 and metal rods 13, the bearings 12 are connected and fixedly via the metal rods 13, and the motor connecting shafts 7 pass through the centers of the bearings 12 so that they are fixed.

(14) As shown in FIGS. 1 and 3, each of the free rotary thread units 4 comprises an anti-coiling structure 14, a rotary thread mounting disc 15, and free rotary threads 16; the free rotary threads 16 are mounted on the rotary thread mounting disc 15 in central symmetry, the rotary thread material is water absorbing fibers, the rotary thread length is smaller than the inner diameter of the cylinder of the liquid accumulation unit 3 by 1020 mm, the diameter of each free rotary thread 16 is 45 m, and altogether 80120 rotary threads are provided; the rotary thread mounting disc 15 is connected to the motor 8 via the motor connecting shaft 7.

(15) As shown in FIGS. 1,4,5 and 6, the liquid accumulation units 3 comprise a plurality of liquid guide cylinders 17 and a plurality of liquid accumulation plates 18 arranged in parallel, the liquid guide cylinder 17 is mounted on the liquid accumulation plate 18, the liquid guide cylinder 17 is in diameter of 470490 mm, liquid drain pores 19 are arranged in the bottom of the liquid guide cylinder 17 in central symmetry, the pores are in height of 100120 mm, annular protrusions 20 and overflow pores 21 are evenly distributed on the liquid accumulation plate 18, the annular protrusions 20 are in height of 140160 mm, and the annular protrusions 20 and the overflow pores 21 have 440460 mm inner diameter.

(16) In the device, all other components, such as the casing 9, liquid accumulation units 3, and soot pit 1, etc., are made of stainless steel or a metal material coated with rust-preventive coating, in thickness of 58 mm, except specific components.

Embodiment 2

(17) A multi-tube parallel free rotary thread demisting device is provided. As shown in FIG. 7, the demisting device comprises a soot pit 1, a side liquid guide plate 2, liquid accumulation units 3, free rotary thread units 4, a fixing support 5, a flue gas inlet 6, motor connecting shafts 7, motors 8, a casing 9, a flue gas outlet 10, a base support 11, motor mounting holes 22, and slot-form hole covers 23. All other features of the device are the same as those in the embodiment 1, except for the following technical parameters.

(18) As shown in FIG. 7, one end of each of the motor mounting hole 22 is connected to the flue gas inlet 6, and the other end of the motor mounting hole 22 is connected to the liquid accumulation unit 3 and the free rotary thread unit 4, the motors 8 are fixedly mounted in the motor mounting holes 22 respectively, and the fixing support 5 is disposed below the motor mounting holes 22.

(19) As shown in FIGS. 7, 8 and 9, the motor mounting holes 22 are in a rectangular shape, and are evenly distributed in the middle part of the casing of the device, and altogether three motor mounting holes 22 are provided; removable slot-form hole covers 23 are provided on the motor mounting holes 22; the motors 8 are evenly distributed in the motor mounting holes 22, at 9801020 mm spacing between each other; all other faces of the motor 8 are at 4080 mm distance from the inner wall of the motor mounting hole 22 and the slot-form hole cover 23, except the motor shaft end of the motor 8, which is air-tight connected and mounted to the bottom of the motor mounting hole 22.

(20) With the technical scheme described above, the device provided in the present invention has the following advantages over the prior art:

(21) 1. The device provided in the present invention employs a plurality of free rotary thread unit arranged in parallel to overcome the drawback of low treatment throughput and high load of a single rotary thread unit, and thereby can meet the requirement for treating a large quantity of flue gas in the industry;

(22) 2. In the device provided in the present invention, the motors are mounted externally, to facilitate heat dissipation from the motors and ease service and maintenance;

(23) 3. In the device provided in the present invention, the motors are connected to the free rotary thread units via motor connecting shafts respectively, and the motor connecting shafts are fixed via the fixing support; thus, the device can operate steadily while the rotating power is transferred.

(24) Therefore, the device provided in the present invention has advantages including low resistance, high efficiency, and high flue gas treatment throughput, and can avoid scaling and jamming, etc., can be widely applied to deep purification of white flue gas after wet desulphurization and denitrification, and wet dedusting.