CN215523769U

CN215523769U - Flue filtering device of normal pressure hot water boiler

Info

Publication number: CN215523769U
Application number: CN202121329979.9U
Authority: CN
Inventors: 陈清富; 胡恩琴
Original assignee: Shanghai Siweier Energy Equipment Co ltd
Current assignee: Shanghai Siweier Energy Equipment Co ltd
Priority date: 2021-06-15
Filing date: 2021-06-15
Publication date: 2022-01-14
Anticipated expiration: 2031-06-15

Abstract

The utility model discloses a normal-pressure hot water boiler flue filtering device which comprises a boiler bottom, wherein a boiler body is arranged at the top of the boiler bottom, a water inlet pipe is arranged at the top of the side wall of the boiler body, a water outlet pipe is arranged at the bottom of the side wall of the boiler body below the water inlet pipe, the boiler body is provided with a flue, and a smoke collecting plate is arranged in the flue; be located and be connected with first play tobacco pipe on the inside advancing tobacco pipe of desulfurization case through the three-way pipe, two immersible pumps are all installed at the inside bottom side both ends of desulfurization case, and the play liquid end of immersible pump is connected with the transfer line, and the shower head is installed to the transfer line end, is located to be equipped with the filter screen on the desulfurization incasement wall of first play tobacco pipe below, and the adsorption tank is installed at the desulfurization incasement top, is equipped with the second between adsorption tank and the desulfurization case and goes out the tobacco pipe, and adsorption tank internally mounted has the activated carbon groove. This ordinary pressure hot water boiler flue filter equipment, easy operation can effectively filter and purify the soot, guarantees the soot emission standard, avoids the atmosphere to pollute, protects ecological environment.

Description

Flue filtering device of normal pressure hot water boiler

Technical Field

The utility model relates to the technical field of normal-pressure hot water boilers, in particular to a filtering device for a flue of a normal-pressure hot water boiler.

Background

The normal pressure hot water boiler is a non-pressure type hot water heating boiler as the name implies, is often used for the boiler category of civilian life, and normal pressure hot water boiler top is equipped with the blow vent for the inside normal pressure state that is in all the time of boiler moves, does not have the potential safety hazard that the boiler explodes and splits, by fields such as wide application civil heating and production hot water, normal pressure hot water boiler can divide into normal pressure electric hot water boiler, normal pressure gas-fired hot water boiler, normal pressure fuel oil hot water boiler and normal pressure coal-fired hot water boiler according to the burning raw materials.

When the existing normal-pressure coal-fired hot water boiler is used, a large amount of coal is thrown into the boiler to generate hot water and heat, a large amount of soot is generated in the combustion process of the coal, the soot contains a large amount of carbides, sulfides, smoke dust and the like, the soot is directly discharged to enter the atmosphere, the atmosphere pollution is easily caused, the ecological environment is damaged, and the normal life of people is influenced. Therefore, we propose a filtering device for the flue of the atmospheric hot water boiler.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a filtering device for a flue of a normal-pressure hot water boiler, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

the design is that a normal-pressure hot water boiler flue filtering device comprises a boiler bottom, wherein a boiler body is arranged at the top of the boiler bottom, a water inlet pipe is arranged at the top of the side wall of the boiler body, a water outlet pipe is arranged at the bottom of the side wall of the boiler body below the water inlet pipe, the boiler body is provided with a flue, a smoke collecting plate is arranged in the flue, a smoke inlet pipe is arranged at the top of the smoke collecting plate, the smoke inlet pipe is upwards communicated with a desulfurization box, and the desulfurization box is arranged at the top of the flue;

be located be connected with first play tobacco pipe on the inside advancing tobacco pipe of desulfurization case through the three-way pipe, two immersible pumps are all installed at the inside bottom side both ends of desulfurization case, the liquid outlet end of immersible pump is connected with the transfer line, the shower head is installed to the transfer line end, and the shower head setting is located on first play tobacco pipe be equipped with the filter screen on the desulfurization incasement wall of first play tobacco pipe below, the adsorption tank is installed at the desulfurization roof portion, be equipped with second play tobacco pipe between adsorption tank and the desulfurization case, adsorption tank internally mounted has the activated carbon groove, and inside second play tobacco pipe intercommunication activated carbon groove, the adsorption tank top is equipped with the chimney of discharging fume, and inside the chimney intercommunication adsorption tank of discharging fume.

Preferably, the activated carbon groove penetrates through the side wall of the adsorption box, and a first handle is arranged on the side wall of the activated carbon groove outside the adsorption box.

Preferably, a slag discharge baffle is arranged on the side wall of the desulfurization box on the same side as the filter screen, and a second handle is arranged on the slag discharge baffle outside the desulfurization box.

Preferably, the water inlet pipe and the water outlet pipe are both provided with valves.

Preferably, four base plates are arranged at four corners of the bottom of the furnace.

Compared with the prior art, the utility model has the beneficial effects that: according to the normal-pressure hot water boiler flue filtering device, the desulfurization box, the submersible pump, the liquid conveying pipe and the spray head are arranged, alkali liquor can be filled in the desulfurization box, the alkali liquor is pumped to the liquid conveying pipe through the submersible pump, flows to the spray head through the liquid conveying pipe, is sprayed into soot through the spray head, sulfides and smoke dust in the soot are purified through the alkali liquor, and the effects of desulfurization and dust removal of the soot are achieved; by arranging the filter screen, the smoke carried by the alkali liquor can be filtered, the cleanness of the alkali liquor is ensured, and the effect of recycling the alkali liquor repeatedly is achieved; through setting up adsorption tank, activated carbon groove, can fill the active carbon in the inside activated carbon groove of adsorption tank, through the soot after the active carbon adsorption alkalization treatment, with the inside poisonous and harmful gas adsorption purification of soot, reach the effect of adsorbing the inside poisonous and harmful gas of purification treatment soot, make this ordinary pressure hot water boiler flue filter equipment, easy operation, can effectively filter and purify the soot, guarantee soot emission standard, avoid the atmosphere pollution, protect ecological environment.

Drawings

FIG. 1 is a sectional view of a structure of a flue filtering device of an atmospheric hot water boiler according to the present invention;

FIG. 2 is a structural side view of a flue filtering device of an atmospheric hot water boiler according to the present invention;

fig. 3 is a schematic structural perspective view of a flue filtering device of an atmospheric hot water boiler according to the present invention.

In the figure: the device comprises a furnace bottom 1, a boiler body 2, a water inlet pipe 3, a water outlet pipe 4, a flue 5, a smoke collecting plate 6, a smoke inlet pipe 7, a desulfurization box 8, a three-way pipe 9, a first smoke outlet pipe 10, a submersible pump 11, a liquid conveying pipe 12, a spray header 13, a filter screen 14, a second smoke outlet pipe 15, an adsorption box 16, an activated carbon groove 17, a first handle 18, a smoke exhaust chimney 19, a slag discharge baffle 20, a second handle 21, a valve 22 and a base plate 23.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a normal pressure hot water boiler flue filtering device comprises a boiler bottom 1, a boiler body 2 is arranged on the top of the boiler bottom 1, the boiler body 2 is fixed on the top of the boiler bottom 1 in a welding mode to ensure the stability of the boiler body 2, a water inlet pipe 3 is arranged on the top of the side wall of the boiler body 2, the water inlet pipe 3 is communicated with a water heating cavity in the boiler body 2, water to be heated can be injected into the heating cavity in the boiler body 2 through the water inlet pipe 3, the water can be heated conveniently by utilizing the heating cavity in the boiler body 2, a water outlet pipe 4 is arranged on the bottom of the side wall of the boiler body 2 below the water inlet pipe 3, the water outlet pipe 4 is communicated with the interior of the boiler body 2, the heated water can be discharged out of the interior of the boiler body 2 through the water outlet pipe 4, a flue 5 is arranged on the boiler body 2, the flue 5 is communicated with a smoke exhaust pipeline in the boiler body 2 to facilitate the collection of soot, the flue 5 is internally provided with a smoke collecting plate 6, the smoke collecting plate 6 is of a bucket type, the bottom opening is large, the top opening is small, the drainage and collection of soot are facilitated, the top of the smoke collecting plate 6 is provided with a smoke inlet pipe 7, the smoke inlet pipe 7 is upwards communicated with a desulfurization box 8, the smoke inlet pipe 7 in the desulfurization box 8 is communicated, the soot can be conveyed to the inside of the desulfurization box 8, the desulfurization box 8 is arranged at the top of the flue 5, and the desulfurization box 8 is fixed at the top of the flue 5 in a welding mode, so that the stability of the desulfurization box 8 is ensured;

specifically, to wait to add hot water and inject into boiler body 2 inside through inlet tube 3, light the inside coal cinder of boiler body 2, produce heat and add hot water, the coal smoke that produces when the coal burning gets into flue 5 through the exhaust pipe, enters into smoke collecting plate 6 behind flue 5, and it is inside to enter into tobacco pipe 7 to concentrate through smoke collecting plate 6 drainage.

The smoke inlet pipe 7 positioned in the desulfurization box 8 is connected with a first smoke outlet pipe 10 through a three-way pipe 9, the first smoke outlet pipe 10 connected through the three-way pipe 9 is convenient for shunting soot and improving the alkalization efficiency of soot, two submersible pumps 11 are respectively arranged at two ends of the bottom side in the desulfurization box 8, the submersible pumps 11 are chemical submersible pumps, can avoid the corrosion of alkali liquor and ensure the service life of the submersible pumps 11, the wiring terminals of the submersible pumps 11 are externally connected with a power supply and a control switch through wires, the start and stop of the submersible pump 11 are controlled by a control switch, the liquid outlet end of the submersible pump 11 is connected with a liquid conveying pipe 12, the end head of the liquid conveying pipe 12 is provided with a spray head 13, the spray header 13 is arranged on the first smoke outlet pipe 10, a filter screen 14 is arranged on the inner wall of the desulfurization box 8 positioned below the first smoke outlet pipe 10, and the filter screen 14 is an ultrafiltration filter screen and can effectively filter smoke dust carried in the alkali liquor;

specifically, open immersible pump 11, immersible pump 11 carries the inside alkali lye of filling of desulfurization case 8 to inside transfer line 12, carry to shower head 13 through transfer line 12, spray vaporific alkali lye through shower head 13 blowout, in this process, the soot flows to three-way pipe 9 through advancing tobacco pipe 7, after three-way pipe 9 reposition of redundant personnel, flow into first play tobacco pipe 10 inside respectively, discharge through first play tobacco pipe 10 again, exhaust soot is alkalized and the dust fall by vaporific alkali lye of shower head 13 blowout, and then carry out purification treatment with inside smoke and dust and the sulphide of soot, spun alkali lye filters the back through filter screen 14, flow into inside desulfurization case 8 again, reach the effect of cyclic utilization's alkali lye, the soot after alkalization continues to rise and gets into inside second play tobacco pipe 15.

An adsorption box 16 is installed at the top of the desulfurization box 8, a second smoke outlet pipe 15 is arranged between the adsorption box 16 and the desulfurization box 8, an activated carbon tank 17 is installed inside the adsorption box 16, activated carbon is filled inside the activated carbon tank 17, and can be used for adsorbing and treating toxic and harmful substances inside the coal smoke and further cleaning and filtering the coal smoke, the second smoke outlet pipe 15 is communicated with the inside of the activated carbon tank 17, a smoke exhaust chimney 19 is arranged at the top of the adsorption box 16, and the smoke exhaust chimney 19 is communicated with the inside of the adsorption box 16;

specifically, the soot conveyed through the second smoke outlet tube 15 enters the adsorption box 16, and then diffuses into the activated carbon tank 17, and is adsorbed by the activated carbon in the activated carbon tank 17 to remove toxic and harmful substances in the soot, and the soot after adsorption treatment reaches the emission standard and is discharged into the atmosphere through the smoke discharge chimney 19.

The working principle, this ordinary pressure hot water boiler flue filter equipment is at the in-process that uses:

firstly, an external power supply of the device is connected, alkali liquor and activated carbon are respectively filled in the device, a water to be heated is injected into a boiler body 2 through a water inlet pipe 3, coal briquettes in the boiler body 2 are ignited to generate heat to heat the water, coal smoke generated during coal combustion enters a flue 5 through a smoke exhaust pipeline, enters a smoke collection plate 6 after passing through the flue 5, and is guided and concentrated into a smoke inlet pipe 7 through the smoke collection plate 6;

secondly, the submersible pump 11 is started, the submersible pump 11 conveys the alkali liquor filled in the desulfurization box 8 to the interior of a liquid conveying pipe 12, the alkali liquor is conveyed to a spray header 13 through the liquid conveying pipe 12, the atomized alkali liquor is sprayed out through the spray header 13, in the process, the soot flows to a three-way pipe 9 through a smoke inlet pipe 7, the soot flows to the interior of a first smoke outlet pipe 10 after being shunted through the three-way pipe 9, the soot is discharged through the first smoke outlet pipe 10, the discharged soot is alkalized and dedusted by the atomized alkali liquor sprayed out of the spray header 13, the soot and sulfides in the soot are further purified, the sprayed alkali liquor flows into the desulfurization box 8 again after being filtered by a filter screen 14, the effect of the recycled alkali liquor is achieved, and the soot after the alkalization treatment continuously rises to enter the interior of a second smoke outlet pipe 15;

thirdly, the soot conveyed by the second smoke outlet pipe 15 enters the adsorption box 16 and then diffuses into the activated carbon tank 17 to be adsorbed by the activated carbon in the activated carbon tank 17, so as to remove toxic and harmful substances in the soot, and the soot after adsorption treatment reaches the emission standard and is discharged into the atmosphere through the smoke discharge chimney 19. The normal-pressure hot water boiler flue filtering device is simple to operate, soot can be effectively filtered and purified, the soot emission standard is guaranteed, the atmospheric pollution is avoided, and the ecological environment is protected.

Furthermore, the activated carbon groove 17 penetrates through the side wall of the adsorption box 16, a first handle 18 is mounted on the side wall of the activated carbon groove 17 positioned outside the adsorption box 16, and the activated carbon groove 17 can be conveniently taken out through the first handle 18 to replace the activated carbon.

Further, be located and be equipped with row's sediment baffle 20 on the 8 lateral walls of desulfurization case of filter screen 14 homonymy, be located and install second handle 21 on the sediment baffle 20 of desulfurization case 8 outsides, be convenient for open row's sediment baffle 20 through second handle 21, clear up filter 14 top filterable waste residue through row's sediment baffle 20, guarantee filter screen 14's filter effect.

Furthermore, the valves 22 are installed on the water inlet pipe 3 and the water outlet pipe 4, and the opening and closing of the water inlet pipe 3 and the water outlet pipe 4 can be effectively controlled through the valves 22.

Furthermore, four backing plates 23 are respectively arranged at four corners of the bottom of the furnace bottom 1.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an ordinary pressure hot water boiler flue filter equipment, includes stove bottom (1), its characterized in that: the boiler comprises a boiler bottom (1), a boiler body (2) is arranged at the top of the boiler bottom (1), a water inlet pipe (3) is arranged at the top of the side wall of the boiler body (2), a water outlet pipe (4) is arranged at the bottom of the side wall of the boiler body (2) below the water inlet pipe (3), a flue (5) is arranged on the boiler body (2), a smoke collecting plate (6) is arranged inside the flue (5), a smoke inlet pipe (7) is arranged at the top of the smoke collecting plate (6), the smoke inlet pipe (7) is upwards communicated with a desulfurization box (8), and the desulfurization box (8) is arranged at the top of the flue (5);

a first smoke outlet pipe (10) is connected to the smoke inlet pipe (7) in the desulfurization box (8) through a three-way pipe (9), two submersible pumps (11) are mounted at two ends of the bottom side in the desulfurization box (8), a liquid outlet end of each submersible pump (11) is connected with a liquid conveying pipe (12), a spray header (13) is mounted at the end of each liquid conveying pipe (12), the spray headers (13) are arranged on the first smoke outlet pipe (10), a filter screen (14) is arranged on the inner wall of the desulfurization box (8) below the first smoke outlet pipe (10), an adsorption box (16) is mounted at the top of the desulfurization box (8), a second smoke outlet pipe (15) is arranged between the adsorption box (16) and the desulfurization box (8), an activated carbon groove (17) is mounted in the adsorption box (16), the second smoke outlet pipe (15) is communicated with the inside of the activated carbon groove (17), and a smoke exhaust chimney (19) is arranged at the top of the adsorption box (16), and the exhaust chimney (19) is communicated with the interior of the adsorption box (16).

2. A normal pressure hot water boiler flue filtering device according to claim 1, wherein: the activated carbon groove (17) runs through the side wall of the adsorption box (16), and a first handle (18) is arranged on the side wall of the activated carbon groove (17) outside the adsorption box (16).

3. A normal pressure hot water boiler flue filtering device according to claim 1, wherein: be located be equipped with on desulfurization case (8) lateral wall of filter screen (14) homonymy and arrange sediment baffle (20), be located install second handle (21) on the sediment baffle (20) of desulfurization case (8) outside.

4. A normal pressure hot water boiler flue filtering device according to claim 1, wherein: and valves (22) are respectively arranged on the water inlet pipe (3) and the water outlet pipe (4).

5. A normal pressure hot water boiler flue filtering device according to claim 1, wherein: four backing plates (23) are arranged at four corners of the bottom of the furnace bottom (1).