CN212417271U

CN212417271U - Cyclone dust removal and temperature reduction device

Info

Publication number: CN212417271U
Application number: CN202020774065.2U
Authority: CN
Inventors: 陈立德
Original assignee: Ningbo Jinxin Energy Saving And Environmental Protection Technology Co ltd
Current assignee: Ningbo Jinxin Energy Saving And Environmental Protection Technology Co ltd
Priority date: 2020-05-12
Filing date: 2020-05-12
Publication date: 2021-01-29
Anticipated expiration: 2030-05-12

Abstract

The utility model discloses a cyclone dust removal heat sink, it includes inlet channel, the gas vent, the blast pipe, the inner tube, inlet channel is connected with the inner tube tangential, be equipped with the shell outside the inner tube, be formed with the intermediate layer between inner tube and the shell, the bottom of inner tube is equipped with the bobbin base, be equipped with dirt particle derivation hole on the section of thick bamboo wall of inner tube, dirt particle derivation hole is arranged and is distributed on position and periphery about the difference of inner tube section of thick bamboo wall, all be connected with dirt particle derivation pipeline on each dirt particle derivation hole, dirt particle derivation pipeline arranges in the intermediate layer and through the dirt particle export and the collection dirt barrel intercommunication of its other end, be equipped with on the shell with the communicating cooling air import of intermediate layer and cooling air export. This kind of cyclone dust removal heat sink has solved high temperature air cooling heat transfer dust removal problem, can make the high temperature flue gas reduce to the range that the metal can tolerate, can clear away the granule dust simultaneously to for further heat transfer creates the condition, the hot-air after preliminary cooling dust removal can be smooth carries out the second heat transfer, solves the heat exchanger and is afraid of the problem that the dust blockked up most.

Description

Cyclone dust removal and temperature reduction device

Technical Field

The utility model relates to a dust removal technology, especially a whirlwind dust removal heat sink.

Background

In the air purification treatment, the dust removal treatment is often needed, the particle dust in the air is removed, the cyclone separation is also often used in the treatment of the working environment, Chinese patent 201620750712.X discloses a cyclone separation dust removal device, a cyclone cylinder is provided with a dust-containing gas inlet, the upper end of the cyclone cylinder is provided with an inner filter pipe, a cover body is arranged above the inner filter pipe, the cover body is fixed with the inner filter pipe, a gas outlet is arranged below the cover body, a dust guide plate is arranged inside the cyclone cylinder, the inner filter pipe plays a role of filtering the gas, the guided gas is prevented from containing dust particles, the dust guide plate can convey the dust to a blanking hopper, during the work, the air containing the dust particles firstly enters the cyclone cylinder tangentially for cyclone separation, the dust particles which are not separated in the air are further filtered by the filter pipe when the air passes through the filter pipe, the dust particles are removed, and the separation dust particles are removed by the cyclone separation dust removal device, the ventilation hole on the filter pipe must be less than the dust particle diameter, just can filter the dust particle to lead to often can be stopped up by the dust particle and influence cyclone separation at the filter pipe in-process that removes dust, also often need dismantle the filter pipe simultaneously and wash, brought very big inconvenience and influence for continuous dust removal work. In addition, when some high-temperature hot gas containing dust particles is used for dust removal (such as high-temperature flue gas dust removal), the service life of dust removal equipment can be influenced because the high-temperature flue gas is limited in temperature tolerance when the high-temperature flue gas is used as a cyclone dust removal metal material.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the technical deficiencies and providing a simple structure can remove dust to the high temperature air that contains dirt particle, and dust removal effect is good, equipment long service life's cyclone heat sink.

In order to achieve the purpose, the utility model provides a cyclone dust removal heat sink, it includes inlet channel, gas vent, blast pipe, inner tube, and inlet channel is connected with the inner tube tangential, is equipped with the shell outside the inner tube, is formed with the intermediate layer between inner tube and the shell, and the bottom of inner tube is equipped with the bobbin base, is equipped with the dirt particle derivation hole of definite quantity on the section of thick bamboo wall of inner tube, the dirt particle derivation hole that is equipped with definite quantity on the section of thick bamboo wall of inner tube be with the dirt particle derivation hole range distribution of definite quantity on the different upper and lower positions and the periphery of inner tube section of thick bamboo wall, all be connected with dirt particle derivation pipeline on each dirt particle derivation hole, dirt particle derivation pipeline arranges in the intermediate layer and through the dirt particle export and the dust collecting barrel intercommunication of its other end, be equipped with on the shell with the communicating cooling air import of.

In order to improve the cooling effect, a flow guide baffle is arranged in the interlayer between the cooling air inlet and the cooling air outlet.

In order to facilitate the centralized processing of the control dust, the lower part of the dust collecting cylinder body is a conical dust collecting cylinder, an ash outlet communicated with the conical dust collecting cylinder is arranged below the conical dust collecting cylinder, an ash discharging valve is arranged between the conical dust collecting cylinder and the ash outlet, and an ash discharging valve baffle is arranged on the ash discharging valve.

In order to improve the exhaust and the separation effect on dust particles, the exhaust pipe is positioned in the center of the inner cylinder.

In order to discharge the dust particles after cyclone separation conveniently, a joint between the dust particle guiding pipeline and the inner cylinder can form an inclined downward acute angle, and the pipe diameter of the dust particle guiding pipeline is more than 2 centimeters.

The utility model provides a cyclone dust removal and temperature reduction device, rely on the density difference of solid or liquid granule and gas, separate it through centrifugal force, solid or liquid are about 1000 times of gas density, consequently make the air current of high-speed rotation make granule and gas centrifugal force poor expand thousands of times or even hundreds of thousands of times in the drum, the rotational speed is faster the centrifugal force poor big more, this power direction is to the outside, namely the bucket wall direction; however, because the small particles have a large specific surface area, the air is subjected to large buoyancy, the air moves towards the air outlet of the center while making circular motion, the air is opposite to the buoyancy of the small particles, the particles are finer, the specific surface area is larger, the mass is smaller, the centrifugal force is smaller, the buoyancy of the air to the particles is larger, and the separation is more unfavorable, in order to solve the problem, firstly, the wind speed of the particles moving towards the center is reduced, the moving speed of the air towards the center is better, the diameter of the cylinder is increased, the wind speed of the particles moving towards the center can be reduced, but the wind speed cannot be infinitely increased under the condition limitation, the technology adopts a double-layer cylinder structure, dust particle guide holes are distributed on an inner cylinder for cyclone separation, the dust particle guide holes are connected with dust particle guide pipelines, air relatively static spaces are formed in the dust particle guide pipelines, when the dust particles enter the dust particle guide pipelines with relatively static air through the dust particle guide holes, the dust particles have no buoyancy to enter the inner cylinder, collide with each other and are condensed into large particles, and then are settled into the dust collecting cylinder body and then discharged. In fact, the traditional cyclone dust removal method has the advantages that the traditional cyclone dust removal method is smooth and round because the wall of the barrel cannot be made, air doing circular motion can cause 'bounce' of particles, like dust on the ground can be blown up by wind, the particles are not easy to gather into large particles, an air inlet of the cyclone dust removal method tangentially enters an inner barrel of the cyclone dust removal method, the maximum tangential wind speed is ensured, and the centrifugal separation effect is improved. In addition, a shell is arranged outside the inner cylinder, cold air enters the interlayer tangentially from a cold air inlet at the bottom of the cylindrical shell, is forced to make cyclone circular motion around the interlayer between the outside of the inner cylinder and the inside of the shell and then is discharged from a cooling air outlet at the top, and the cold air continuously cools the inner cylinder for cyclone dust removal and a dust particle guide pipeline in the cyclone circular motion process around the outside of the inner cylinder, so that the service life of equipment is ensured not to be influenced by the fact that the temperature of the inner cylinder is raised to the temperature of the tolerance limit of a metal material.

The utility model discloses the cyclone dust removal heat sink that obtains can separate solid particle from the air more effectively, and separation effect is good, is difficult for blockking up splitter in the disengaging process, has guaranteed the continuity of work, and solid particle after the centrifugal separation also gathers into the large granule more easily and subsides, the centralized processing of the solid particle of the control of being convenient for.

The utility model discloses the cyclone dust removal heat sink that obtains has solved high temperature air cooling heat transfer dust removal problem, can make the high temperature flue gas reduce to the range that the metal can tolerate, can clear away the granule dust simultaneously to for further heat transfer creation condition, the hot-air after preliminary cooling dust removal can be smooth carries out the second heat transfer, solves the problem that the heat exchanger is afraid of the dust jam most.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;

FIG. 2 is a schematic view of a structure in which a connection between the dust particle guiding pipe and the inner cylinder forms an inclined angle downward.

Wherein: the dust collection device comprises an air inlet channel 1, an air outlet 2, an inner cylinder 3, an exhaust pipe 4, an interlayer 5, an air outlet 6, an inner cylinder barrel bottom 7, a dust collection barrel body 8, an ash discharge valve baffle plate 9, an ash discharge valve 10, an ash outlet 11, a conical dust collection barrel 12, a cooling air inlet 13, a dust particle outlet 14, a flow guide baffle plate 15, a cooling air outlet 16, a dust particle guide pipeline 17, a dust particle guide outlet 18, a purified air outlet 19, a shell 20 and an included angle 21.

Detailed Description

The present invention will be described in further detail below by way of examples with reference to the accompanying drawings.

Example 1:

as shown in fig. 1, the cyclone dust removal and temperature reduction device provided by the present embodiment comprises an air inlet channel 1, an air outlet 2, an exhaust pipe 4, and an inner cylinder 3, wherein the air inlet channel 1 is tangentially connected with the inner cylinder 3, a shell 20 is arranged outside the inner cylinder 3, an interlayer 5 is formed between the inner cylinder 3 and the shell 20, a cylinder bottom 7 is arranged at the bottom of the inner cylinder 3, the wall of the inner cylinder 3 is provided with a certain number of dust particle outlet holes 18, the dust particle outlet holes 18 with a certain number on the wall of the inner cylinder 3 are that the dust particle outlet holes 18 with a certain number are arranged and distributed on different upper and lower positions and the periphery of the wall of the inner cylinder 3, each dust particle outlet 18 is connected with a dust particle outlet pipe 17, the dust particle outlet pipe 17 is arranged in the interlayer 5 and communicated with the dust collecting cylinder 8 through a dust particle outlet 14 at the other end of the dust particle outlet pipe, the shell 20 is provided with a cooling air inlet 13 and a cooling air outlet 16 which are communicated with the interlayer 5; in order to improve the heat exchange effect, a flow guide baffle 15 is arranged in the interlayer 5 between the cooling air inlet 13 and the cooling air outlet 16.

In the cyclone dust removal and temperature reduction device obtained in the embodiment, when the cyclone dust removal and temperature reduction device works, dust enters the dust particle guide hole 18 in the wall of the inner barrel 3 after being subjected to rotary centrifugal separation in the inner barrel 3 and is settled in the dust collection barrel 8 through the dust particle guide pipeline 17, and the air entering the cyclone dust removal and temperature reduction device is discharged through the exhaust pipe 4, and the separated dust is discharged into the dust collection barrel 8 through the dust particle guide pipeline 17, so that the separated dust cannot be brought to the exhaust pipe 4 through the buoyancy of the dust in the air, and the cleanness of the air discharged from the exhaust pipe 4 is ensured; the cold air inlet 13 at the bottom of the cylindrical shell 12 tangentially enters the interlayer 5, the cold air is forced to do cyclone circular motion around the interlayer between the outside of the inner cylinder 3 and the inside of the shell 20 through the flow guide baffle 15 and then is discharged from the top cooling air outlet 16, and the cold air continuously cools the inner cylinder 3 for cyclone dust removal and the dust particle guide pipeline 17 in the cyclone circular motion process around the outside of the inner cylinder 3, so that the service life of the equipment is ensured not to be influenced by the fact that the temperature of the inner cylinder 3 is increased to the temperature of the tolerance limit of a metal material.

The purification problem of high temperature air has been solved to this embodiment, because the high temperature flue gas is that the tolerance temperature of whirlwind dust removal metal material is limited, consequently can make the high temperature flue gas reduce to the temperature range that the metal can tolerate with this technique, can clear away the granule dust simultaneously, for the further heat transfer creation condition of exhaust hot gas, the heat exchanger is afraid of the dust jam most, and the hot-air after preliminary cooling dust removal can be smooth carries out the heat transfer for the second time.

Example 2:

as shown in fig. 1, in the cyclone dust removal and temperature reduction device described in this embodiment, the lower portion of the dust collecting cylinder 8 is a tapered dust collecting cylinder 12, an ash outlet 11 is provided below the tapered dust collecting cylinder 12 and is communicated with the tapered dust collecting cylinder, an ash discharge valve 10 is provided between the tapered dust collecting cylinder 12 and the ash outlet 11, and an ash discharge valve baffle 9 is provided on the ash discharge valve 10, thereby facilitating the control of dust collection and centralized processing.

Example 3:

as shown in fig. 2, in the cyclone dust removal and temperature reduction device described in this embodiment, a connection portion between the dust particle guiding-out pipeline 17 and the inner cylinder 3 may form an inclined downward acute included angle 21, and a pipe diameter of the dust particle guiding-out pipeline 17 may be greater than 2 cm, so that dust is smoothly guided into the dust collection cylinder 8, and the dust is prevented from returning into the inner cylinder 3 due to buoyancy generated in the guiding-out process as much as possible; in order to enhance the exhaust and separation effect of dust particles, the exhaust pipe 4 may be located at the center of the inner cylinder 3.

Claims

1. A cyclone dust removal and temperature reduction device comprises an air inlet channel (1), an exhaust port (2), an exhaust pipe (4) and an inner barrel (3), and is characterized in that the air inlet channel (1) is tangentially connected with the inner barrel (3), a shell (20) is arranged outside the inner barrel (3), an interlayer (5) is formed between the inner barrel (3) and the shell (20), a barrel bottom (7) is arranged at the bottom of the inner barrel (3), a certain number of dust particle guide holes (18) are arranged on the barrel wall of the inner barrel (3) and distributed on different upper and lower positions and the periphery of the barrel wall of the inner barrel (3), a dust particle guide pipeline (17) is connected on each dust particle guide hole (18), the dust particle guide pipeline (17) is arranged in the interlayer (5) and is communicated with a dust collection barrel (8) through a dust particle outlet (14) at the other end of the dust particle guide hole, the shell (20) is provided with a cooling air inlet (13) and a cooling air outlet (16) which are communicated with the interlayer (5).

2. A cyclone dust-removing and temperature-reducing device according to claim 1, wherein a flow guide baffle (15) is provided in the interlayer (5) between the cooling air inlet (13) and the cooling air outlet (16).

3. A cyclone dust-removing and temperature-reducing device as claimed in claim 1 or 2, wherein the lower part of the dust-collecting cylinder (8) is a cone-shaped dust-collecting cylinder (12), an ash outlet (11) communicated with the cone-shaped dust-collecting cylinder (12) is arranged below the cone-shaped dust-collecting cylinder (12), an ash-discharging valve (10) is arranged between the cone-shaped dust-collecting cylinder (12) and the ash outlet (11), and an ash-discharging valve baffle plate (9) is arranged on the ash-discharging valve (10).

4. A cyclone dust-removing and temperature-reducing device as claimed in claim 1 or 2, wherein the exhaust pipe (4) is located at the center of the inner cylinder (3).

5. A cyclone dust-removing and temperature-reducing device as claimed in claim 1, wherein an acute angle (21) is formed between the dust particle outlet duct (17) and the inner cylinder (3), and the diameter of the dust particle outlet duct (17) is greater than 2 cm.