CN210409902U

CN210409902U - Flue gas dust removal device capable of recycling waste heat

Info

Publication number: CN210409902U
Application number: CN201921265762.9U
Authority: CN
Inventors: 陈景波; 郑顺富; 周小彪
Original assignee: Taizhou Dechang Environmental Protection Co Ltd
Current assignee: Taizhou Dechang Environmental Protection Co Ltd
Priority date: 2019-08-06
Filing date: 2019-08-06
Publication date: 2020-04-28
Anticipated expiration: 2029-08-06

Abstract

The utility model discloses a can carry out waste heat recovery's flue gas dust collector, it can carry out recycle to the waste heat in the flue gas, can be to improving dust removal effect again, and overall structure is simple, and occupation space is little, and its technical scheme main points are including the dust removal case, the dust removal incasement is equipped with by supreme collection ash district that sets gradually down, advances cigarette district, waste heat recovery district, dust removal district and play cigarette district, advances to be equipped with on the cigarette district and advances the tobacco pipe, and the dust removal district is including installing in the flower plate of dust removal incasement, installing frame on the flower plate and being fixed in the filter bag on the frame, and waste heat recovery district is including installing the water tank in the dust removal incasement, is equipped with the heat exchange tube of a plurality of vertical settings in the water tank, and the water tank bottom is equipped with the inlet tube, and the water tank top is equipped with the outlet pipe.

Description

Flue gas dust removal device capable of recycling waste heat

Technical Field

The utility model belongs to the technical field of flue gas is handled, refer in particular to a flue gas dust collector that can carry out waste heat recovery.

Background

The cloth bag dust collector is a device commonly used in the smoke treatment process, the structure of the existing dust collector is mainly that a cylindrical filter bag is vertically hung in a dust collection box, a smoke outlet pipe and a smoke inlet pipe are respectively positioned at the upper side and the lower side of the filter bag, the filter effect is achieved when smoke passes through, but because of the problem of high smoke temperature, the requirement on the material of the filter bag is high, the cost is high, therefore, the device for cooling the smoke before filtering is adopted, but the device usually needs a heat exchange device, a dust collection device is used simultaneously, the occupied space is large, and the relevance between the devices for the dust collection effect is small.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a can carry out waste heat recovery's flue gas dust collector, it can carry out recycle to the waste heat in the flue gas, can be to improving dust removal effect again, and overall structure is simple, and occupation space is little.

The purpose of the utility model is realized like this: the utility model provides a can carry out waste heat recovery's flue gas dust collector, includes the dust removal case, its characterized in that: the dust removal incasement is equipped with by supreme collection ash district that sets gradually down, advance cigarette district, waste heat recovery district, dust removal district and play cigarette district, advance to be equipped with into the tobacco pipe in the cigarette district, the dust removal district is including installing the card in the dust removal incasement, install the frame on the card and be fixed in the filter bag on the frame, waste heat recovery district is including installing the water tank in the dust removal incasement, be equipped with the heat exchange tube of a plurality of vertical settings in the water tank, the water tank bottom is equipped with the inlet tube, the water tank top is equipped with the outlet pipe, advance to pass through the heat exchange tube intercommunication between cigarette.

By adopting the technical scheme, the principle is as follows: after the flue gas got into the cigarette district, upwards flow through the heat exchange pipe, and filter through the filter bag and then get into out the cigarette district by the through-hole on the card and discharge, the flue gas is at the upflow in-process, the heat carries out the heat exchange through cold water in heat exchange tube and the water tank, the realization is retrieved the heat in the flue gas and is recycled, dust in the flue gas is gathering the inner wall collision friction with the heat exchange tube at the process of rising simultaneously, can make the dust fall in advance, reduce the direct adhesion of dust on the filter bag surface, improve final dust removal effect, extension single dust removal time, and adopt above-mentioned structure, overall structure is simple, and the occupation space is little.

The utility model discloses further set up to: still be equipped with the cigarette cover that advances that is the back taper type structure in advancing the cigarette district, advance the cigarette cover upper end and communicate with the heat exchange tube, advance the cigarette cover lower extreme and be equipped with the ash hole that communicates with ash collecting area.

Through adopting above-mentioned technical scheme, through the setting of advancing the petticoat pipe, can avoid in the collection cigarette district the dust that has fallen to receive the air current influence again and sneak into the flue gas again, improve final dust removal effect, prolong single dust removal time.

The utility model discloses further set up to: the smoke outlet area is provided with a smoke outlet pipe, and the smoke outlet area is also internally provided with a dust blowing pipe for blowing and cleaning dust.

Through adopting above-mentioned technical scheme, blow dirt union coupling fan, after using a period, close into tobacco pipe and play tobacco pipe, open the ash pipe and blow, blow in the dust collecting area with the dust on the filter bag wall and the dust on the heat transfer pipe wall, can play the abluent effect of dust removal promptly to filter bag and heat exchange tube.

The utility model discloses further set up to: the ash collecting area comprises an ash bucket arranged at the bottom of the dust removing box, an ash discharging pipe is arranged at the bottom of the ash bucket, and an ash discharging valve is arranged on the ash discharging pipe.

Through adopting above-mentioned technical scheme, the ash bucket is convenient for collect the dust, and the unloading valve is convenient for control the end of ash pipe and leads to, closes at the flue gas dust removal in-process, opens at the deashing in-process.

The utility model discloses further set up to: the dust removal incasement still is equipped with the guide plate of arranging the water tank below in, and the guide plate includes fixed bolster and installs a plurality of kuppes on the fixed bolster, and the kuppe is the tapered structure, and the mouth of pipe of kuppe and heat exchange tube is just right.

Through adopting above-mentioned technical scheme, through the setting of kuppe for in the flue gas need get into the heat exchanger tube again through kuppe week, the process that turns to has one when the air current flows, makes the dust in the flue gas can produce the collision friction and fall with the kuppe, can reduce in the dust directly gets into the heat exchanger tube, and the kuppe is the tapered structure, makes the dust that drops in the heat exchanger tube can fall into the petticoat pipe along the skew wall of kuppe.

The utility model discloses further set up to: the smoke inlet pipe and the smoke outlet pipe are respectively provided with a control valve

By adopting the technical scheme, the control valve is used for controlling the stopping and the communicating of the smoke inlet pipe and the smoke outlet pipe.

Drawings

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

FIG. 2 is a schematic structural view of a deflector of the present invention;

the reference numbers in the figures are: 1. a smoke inlet pipe; 2. a pattern plate; 3. a frame; 4. a filter bag; 5. a water tank; 6. a heat exchange pipe; 7. a water inlet pipe; 8. a water outlet pipe; 9. a smoke inlet hood; 10. an ash outlet; 11. discharging the smoke tube; 12. a dust blowing pipe; 13. an ash hopper; 14. an ash discharging pipe; 15. a baffle; 16. fixing a bracket; 17. a pod; 18. and (4) controlling the valve.

Detailed Description

The invention will be further described in the following with reference to specific embodiments thereof, with reference to the accompanying drawings, in which figures 1-2:

the utility model provides a can carry out waste heat recovery's flue gas dust collector, includes the dust removal case, its characterized in that: the dust removal incasement is equipped with by supreme album of ash district that sets gradually down, advance the cigarette district, waste heat recovery district, the dust removal district and play cigarette district, it advances tobacco pipe 1 to be equipped with in the cigarette district to advance, the dust removal district is including installing the card 2 in the dust removal incasement, install frame 3 on card 2 and be fixed in the filter bag 4 on the frame 3, waste heat recovery district is including installing the water tank 5 in the dust removal incasement, be equipped with the heat exchange tube 6 of a plurality of vertical settings in the

water tank

5, 5 bottoms of water tank are equipped with

inlet tube

7, 5 tops of water tank are equipped with outlet pipe 8, advance and communicate through heat exchange tube 6 between cigarette district.

By adopting the technical scheme, the principle is as follows: the flue gas gets into cigarette district back, upwards flow through the heat exchange tube, and filter through filter bag 4 and then get into out the cigarette district by the through-hole on the card 2 and discharge, the flue gas is at the in-process that upwards flows, the heat carries out the heat exchange through heat exchange tube 6 and the cold water in the water tank 5, the realization is retrieved the heat in the flue gas and is recycled, dust in the flue gas is gathering the inner wall collision friction with heat exchange tube 6 in the process that rises simultaneously, can make the dust fall in advance, reduce the possibility that the dust directly adheres on filter bag 4 surfaces, improve final dust removal effect, extension single dust removal time, and adopt above-mentioned structure, overall structure is simple, and the occupation space is little.

The utility model discloses further set up to: still be equipped with the cigarette cover 9 that advances that is the back taper type structure in advancing the cigarette district, advance cigarette cover 9 upper end and heat exchange tube 6 intercommunication, advance cigarette cover 9 lower extreme and be equipped with the ash hole 10 with collection ash district intercommunication.

Through adopting above-mentioned technical scheme, through the setting of advancing petticoat pipe 9, can avoid in the collection cigarette district the dust that has fallen to receive the air current influence again and sneak into the flue gas again, improve final dust removal effect, prolong single dust removal time.

The utility model discloses further set up to: the smoke outlet area is provided with a smoke outlet pipe 11, and the smoke outlet area is also provided with a dust blowing pipe 12 for blowing and cleaning dust.

By adopting the technical scheme, the dust blowing pipe 12 is connected with the fan, after the dust blowing pipe is used for a period of time, the smoke inlet pipe 1 and the smoke outlet pipe 11 are closed, the dust outlet pipe 14 is opened for blowing, dust on the wall of the filter bag 4 and dust on the wall of the heat exchange pipe 6 are blown into the dust collection area, and the dust removal and cleaning effects on the filter bag 4 and the heat exchange pipe 6 can be achieved.

The utility model discloses further set up to: the ash collecting area comprises an ash bucket 13 arranged at the bottom of the dust removing box, an ash discharging pipe 14 is arranged at the bottom of the ash bucket 13, and an ash discharging valve is arranged on the ash discharging pipe 14.

By adopting the technical scheme, the ash hopper 13 is convenient for collecting dust, the ash discharge valve is convenient for controlling the opening and closing of the ash discharge pipe 14, the ash discharge valve is closed in the flue gas dedusting process, and the ash discharge valve is opened in the ash removal process.

The utility model discloses further set up to: the dust removal incasement still is equipped with guide plate 15 of arranging water tank 5 below in, guide plate 15 includes fixed bolster 16 and installs a plurality of kuppe 17 on fixed bolster 16, and kuppe 17 is the tapered structure, and kuppe 17 is just right with the mouth of pipe of heat exchange tube 6.

Through adopting above-mentioned technical scheme, through the setting of kuppe 17 for the flue gas need be through kuppe 17 week side reentrant heat exchange tube 6 in, has a process that turns to when the air current flows, makes the dust in the flue gas can produce the collision friction and fall with kuppe 17, can reduce in the dust directly gets into heat exchange tube 6, and kuppe 17 is the taper structure, makes the dust that drops in the heat exchange tube 6 can fall into in the petticoat pipe 9 along the skew wall of kuppe 17.

The utility model discloses further set up to: the smoke inlet pipe 1 and the smoke outlet pipe 11 are both provided with a control valve 18

By adopting the technical scheme, the control valve 18 is used for controlling the stopping and the communicating of the smoke inlet pipe 1 and the smoke outlet pipe 11.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a can carry out waste heat recovery's flue gas dust collector, includes the dust removal case, its characterized in that: the dust removal incasement is equipped with by supreme album of ash district that sets gradually down, advance the cigarette district, waste heat recovery district, the dust removal district and play cigarette district, it advances tobacco pipe (1) to be equipped with in the cigarette district, the dust removal district is including installing colored board (2) in the dust removal incasement, install frame (3) on colored board (2) and be fixed in filter bag (4) on frame (3), waste heat recovery district is including installing water tank (5) in the dust removal incasement, be equipped with heat exchange tube (6) of a plurality of vertical settings in water tank (5), water tank (5) bottom is equipped with inlet tube (7), water tank (5) top is equipped with outlet pipe (8), it communicates through heat exchange tube (6) between cigarette district and the dust removal district to advance.

2. The flue gas dust removal device capable of recovering waste heat according to claim 1, wherein: still be equipped with in advancing the cigarette district and advance cigarette cover (9) that are back taper type structure, advance cigarette cover (9) upper end and heat exchange tube (6) intercommunication, advance cigarette cover (9) lower extreme and be equipped with the ash hole (10) that communicate with ash collecting area.

3. The flue gas dust removal device capable of recovering waste heat according to claim 1, wherein: the smoke outlet area is provided with a smoke outlet pipe (11), and the smoke outlet area is also internally provided with a dust blowing pipe (12) for blowing and cleaning dust.

4. The flue gas dust removal device capable of recovering waste heat according to claim 1, wherein: the ash collecting area comprises an ash bucket (13) arranged at the bottom of the dust removing box, an ash discharging pipe (14) is arranged at the bottom of the ash bucket (13), and an ash discharging valve is arranged on the ash discharging pipe (14).

5. The flue gas dust removal device capable of recovering waste heat according to claim 1, wherein: the dust removal incasement still is equipped with guide plate (15) of arranging water tank (5) below in, guide plate (15) include fixed bolster (16) and install a plurality of kuppe (17) on fixed bolster (16), kuppe (17) are the taper structure, and kuppe (17) just right with the mouth of pipe of heat exchange tube (6).

6. The flue gas dust removal device capable of recovering waste heat according to claim 2, wherein: the smoke inlet pipe (1) and the smoke outlet pipe (11) are both provided with control valves (18).