CN208436563U - A kind of flue gas desulfurization waste heat recycle device - Google Patents

A kind of flue gas desulfurization waste heat recycle device Download PDF

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Publication number
CN208436563U
CN208436563U CN201820919018.5U CN201820919018U CN208436563U CN 208436563 U CN208436563 U CN 208436563U CN 201820919018 U CN201820919018 U CN 201820919018U CN 208436563 U CN208436563 U CN 208436563U
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China
Prior art keywords
gas
guide tube
dust
extraction unit
filter screen
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CN201820919018.5U
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Chinese (zh)
Inventor
李自树
黄明忠
陈孝元
詹贵林
唐诗富
唐刚
李富勇
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Panzhihua Landing Environment Protection And Technology Co Ltd
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Panzhihua Landing Environment Protection And Technology Co Ltd
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Abstract

The utility model discloses a kind of flue gas desulfurization waste heat recycle devices, including desulfurizing tower, the top of the desulfurizing tower is equipped with offgas outlet, offgas outlet is connected with gas-guide tube far from one end of desulfurizing tower, and the junction of offgas outlet and gas-guide tube is coated with sealing ring, and gas-guide tube is helically distributed around the axis of desulfurizing tower, gas-guide tube is connected with dust-extraction unit far from one end of offgas outlet, and gas-guide tube is connected with suction ventilator close to one end of dust-extraction unit, dust-extraction unit is connected with clarifier by pipeline far from one end of gas-guide tube, and clarifier is connected with escape pipe far from one end of dust-extraction unit.The heat that the tail gas that desulfurization generates in the utility model carries keeps the temperature desulfurizing tower, energy consumption can be reduced, tail gas after waste heat is utilized is discharged by the filtering of dust-extraction unit and the purification of clarifier, avoid pollution environment, and the tail gas after dedusting, it can avoid clarifier blocking, extend the service life of clarifier.

Description

A kind of flue gas desulfurization waste heat recycle device
Technical field
The utility model relates to flue gas desulfurization device field more particularly to a kind of flue gas desulfurization waste heat recycle devices.
Background technique
Flue gas desulfurization refers to removing oxysulfide (SO2 and SO3) from flue gas or other industrial waste gases.Flue gas passes through desulfurization When tower carries out desulfurization, the tail gas of generation may contain a small amount of harmful substance, and air can be polluted by being directly discharged to controller, and And heat is carried in tail gas, it is expelled directly out, will cause the loss of heat, we have devised a kind of flue gas desulfurization waste heat thus Recycling device solves problem above.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and more than a kind of flue gas desulfurization proposed Thermal cycle utilizes device.
To achieve the goals above, the utility model adopts the technical scheme that
The top of a kind of flue gas desulfurization waste heat recycle device, including desulfurizing tower, the desulfurizing tower is equipped with offgas outlet, Offgas outlet is connected with gas-guide tube far from one end of desulfurizing tower, and the junction of offgas outlet and gas-guide tube is coated with sealing ring, And gas-guide tube is helically distributed around the axis of desulfurizing tower, gas-guide tube is connected with dust-extraction unit far from one end of offgas outlet, And gas-guide tube is connected with suction ventilator close to one end of dust-extraction unit, dust-extraction unit is connected with far from one end of gas-guide tube by pipeline Clarifier, and clarifier is connected with escape pipe far from one end of dust-extraction unit.
Preferably, the dust-extraction unit includes dust cleaning case, the first filter screen, the second filter screen and third filter screen, dedusting Case is equipped with the first filter screen being vertically arranged inside one end of gas-guide tube, and side of first filter screen far from gas-guide tube is successively Equipped with the second filter screen and third filter screen.
Preferably, mesh size is sequentially reduced on first filter screen, the second filter screen and third filter screen.
Preferably, the bottom of the dust cleaning case is equipped with the reclaiming plate that is obliquely installed, and the side of reclaiming plate is successively arranged the One discharge port, the second discharge port and third discharge port.
Compared with prior art, the utility model has the beneficial effects that
1, the tail gas that desulfurizing tower desulfurization generates is sucked out by suction ventilator, and enters dust-extraction unit by offgas outlet and gas-guide tube In, when flue gas passes through gas-guide tube, since the helical disk of gas-guide tube is attached on desulfurizing tower, the heat carried in tail gas is to desulfurizing tower Insulation effect is played, lost, the energy saving of heat in desulfurizing tower is reduced;
2, the tail gas after waste heat is utilized is after the filtering of dust-extraction unit and the purification of clarifier, eventually by escape pipe Discharge can avoid pollution environment, and the tail gas after dedusting, can avoid clarifier blocking, extend the service life of clarifier.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of flue gas desulfurization waste heat recycle device structural schematic diagram;
Fig. 2 be the utility model proposes a kind of flue gas desulfurization waste heat recycle device dust-extraction unit side, sectional Figure;
Fig. 3 be the utility model proposes a kind of flue gas desulfurization waste heat recycle device dust-extraction unit top view.
In figure: 1 desulfurizing tower, 2 offgas outlets, 3 gas-guide tubes, 4 sealing rings, 5 dust-extraction units, 51 dust cleaning cases, 52 first filterings Net, 53 second filter screens, 54 third filter screens, 6 suction ventilators, 7 clarifiers, 8 escape pipes, 9 reclaiming plates.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.
Referring to Fig.1-3, a kind of flue gas desulfurization waste heat recycle device, including desulfurizing tower 1, the top of desulfurizing tower 1 are equipped with Offgas outlet 2, offgas outlet 2 are connected with gas-guide tube 3, and the connection of offgas outlet 2 and gas-guide tube 3 far from one end of desulfurizing tower 1 Place is coated with sealing ring 4, and gas-guide tube 3 is helically distributed around the axis of desulfurizing tower 1, and gas-guide tube 3 is far from offgas outlet 2 One end is connected with dust-extraction unit 5, and dust-extraction unit 5 includes dust cleaning case 51, the first filter screen 52, the second filter screen 53 and third filtering Net 54, dust cleaning case 51 are equipped with the first filter screen 52 being vertically arranged inside one end of gas-guide tube 3, and the first filter screen 52 is separate The side of gas-guide tube 3 is successively arranged the second filter screen 53 and third filter screen 54, the first filter screen 52, the second filter screen 53 and Mesh size is sequentially reduced on three filter screens 54, and the bottom of dust cleaning case 51 is equipped with the reclaiming plate 9 being obliquely installed, and reclaiming plate 9 Side is successively arranged the first discharge port, the second discharge port and third discharge port, and gas-guide tube 3 connects close to one end of dust-extraction unit 5 It is connected to suction ventilator 6, the one end of dust-extraction unit 5 far from gas-guide tube 3 is connected with clarifier 7 by pipeline, and clarifier 7 is far from dedusting One end of device 5 is connected with escape pipe 8.
Working principle: the tail gas that 1 desulfurization of desulfurizing tower generates is sucked out by suction ventilator 6, and passes through offgas outlet 2 and gas-guide tube 3 Into in dust-extraction unit 5, the sealing ring 4 of 3 junction of offgas outlet 2 and gas-guide tube can be revealed to avoid flue gas, and flue gas is by leading When tracheae 3, since the helical disk of gas-guide tube 3 is attached on desulfurizing tower 1, the heat carried in tail gas plays heat preservation to desulfurizing tower 1 Effect reduces lost, the energy saving of heat in desulfurizing tower 1, after tail gas enters in dust-extraction unit 5, successively by the first filtering After the filtering of net 52, the second filter screen 53 and third filter screen 54, the dust cabinet body particle filtering that can will be carried in tail gas, filtering Particulate matter afterwards is discharged by the reclaiming plate 9 being obliquely installed, and particulate matter can be by the first discharge port, the second discharge port after being filtered It is discharged with third discharge port, filtered tail gas is discharged, present apparatus structure after the purification of clarifier 7 eventually by escape pipe 8 Simply, design rationally, the heat that the tail gas that desulfurization generates is carried by under the guidance of gas-guide tube 3, using tail gas to desulfurizing tower 1 into Row heat preservation, can reduce energy consumption, and the tail gas after waste heat is utilized is discharged by the filtering of dust-extraction unit 5 and the purification of clarifier 7, keeps away Exempt to pollute environment, and the tail gas after dedusting, can avoid clarifier 7 and block, extend the service life of clarifier 7.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims (4)

1. a kind of flue gas desulfurization waste heat recycle device, including desulfurizing tower (1), which is characterized in that the top of the desulfurizing tower (1) Portion is equipped with offgas outlet (2), and offgas outlet (2) is connected with gas-guide tube (3) far from the one end of desulfurizing tower (1), and offgas outlet (2) It is coated with sealing ring (4) with the junction of gas-guide tube (3), and gas-guide tube (3) helically divides around the axis of desulfurizing tower (1) Cloth, gas-guide tube (3) are connected with dust-extraction unit (5) far from the one end of offgas outlet (2), and gas-guide tube (3) is close to dust-extraction unit (5) One end be connected with suction ventilator (6), dust-extraction unit (5) is connected with clarifier (7) by pipeline far from the one end of gas-guide tube (3), And clarifier (7) is connected with escape pipe (8) far from the one end of dust-extraction unit (5).
2. a kind of flue gas desulfurization waste heat recycle device according to claim 1, which is characterized in that the dust-extraction unit It (5) include dust cleaning case (51), the first filter screen (52), the second filter screen (53) and third filter screen (54), dust cleaning case (51) leans on The first filter screen (52) being vertically arranged is equipped with inside one end of nearly gas-guide tube (3), the first filter screen (52) is far from gas-guide tube (3) Side be successively arranged the second filter screen (53) and third filter screen (54).
3. a kind of flue gas desulfurization waste heat recycle device according to claim 2, which is characterized in that first filtering Mesh size on net (52), the second filter screen (53) and third filter screen (54) is sequentially reduced.
4. a kind of flue gas desulfurization waste heat recycle device according to claim 2, which is characterized in that the dust cleaning case (51) bottom is equipped with the reclaiming plate (9) that is obliquely installed, and the side of reclaiming plate (9) is successively arranged the first discharge port, second goes out Material mouth and third discharge port.
CN201820919018.5U 2018-06-13 2018-06-13 A kind of flue gas desulfurization waste heat recycle device Active CN208436563U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820919018.5U CN208436563U (en) 2018-06-13 2018-06-13 A kind of flue gas desulfurization waste heat recycle device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820919018.5U CN208436563U (en) 2018-06-13 2018-06-13 A kind of flue gas desulfurization waste heat recycle device

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CN208436563U true CN208436563U (en) 2019-01-29

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110508078A (en) * 2019-08-05 2019-11-29 盐城工学院 A kind of heat-treatment furnace smoke gas purification and afterheat utilizing system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110508078A (en) * 2019-08-05 2019-11-29 盐城工学院 A kind of heat-treatment furnace smoke gas purification and afterheat utilizing system

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