CN106322413A - Flue gas condensation and dew formation acid fluid collection device for glass fiber reinforced plastic internal chimney - Google Patents

Flue gas condensation and dew formation acid fluid collection device for glass fiber reinforced plastic internal chimney Download PDF

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Publication number
CN106322413A
CN106322413A CN201510405521.XA CN201510405521A CN106322413A CN 106322413 A CN106322413 A CN 106322413A CN 201510405521 A CN201510405521 A CN 201510405521A CN 106322413 A CN106322413 A CN 106322413A
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China
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collecting tank
flue gas
acid solution
stack extension
gas condensing
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CN201510405521.XA
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Chinese (zh)
Inventor
李鹏
张炀
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Datang Environment Industry Group Co Ltd
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Datang Environment Industry Group Co Ltd
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Priority to CN201510405521.XA priority Critical patent/CN106322413A/en
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Abstract

The invention discloses a flue gas condensation and dew formation acid fluid collection device for a glass fiber reinforced plastic internal chimney. The flue gas condensation and dew formation acid fluid collection device comprises at least one circle of annular fluid collection tank formed in the inner wall of the glass fiber reinforced plastic internal chimney, wherein the fluid collection tanks are obliquely formed in the way of forming acute angles alpha with the horizontal plane; a fluid discharge hopper is arranged at the lowest part of each fluid collection tank; and the fluid discharge hoppers communicate with a fluid discharge pipe arranged in the glass fiber reinforced plastic internal chimney. After adoption of the technical scheme, a flue gas condensation and dew formation acid fluid in the chimney can fall into the fluid collection tanks, can be collected at the lowest parts along the obliquely formed fluid collection tanks, and then, can be discharged outside the chimney via the fluid discharge pipe to be collected, so that the flue gas condensation and dew formation acid fluid is prevented from being discharged outside together with flue gas, accordingly, the formation of chimney acid rain is avoided, and damage to the ambient environment of the chimney is also avoided. Meanwhile, the fluid discharge pipe arranged in the chimney can vertically extend in the shortest distance, so that the length of the fluid discharge pipe can be reduced as much as possible.

Description

A kind of fiberglass stack extension flue gas condensing condensation acid solution collection device
Technical field
The present invention relates to a kind of fibreglass epoxy stove-pipe of field of electrical equipment, particularly relate to a kind of fiberglass stack extension flue gas cold Condense dew acid solution collection device.
Background technology
The high chimney in thermal power plant is important structures.According to relevant regulations, it should meet structure design reference period 50 Year and the requirement of process system 30-35 projected life.Fiberglass is widely used in chemical industry, metallurgy, boats and ships and space flight etc. In anticorrosion equipment and engineering.Fibreglass epoxy stove-pipe generally uses inside and outside barrel structure.Wherein, urceolus uses armored concrete knot Structure, glass reinforced plastic inner cylinder is mainly made up of the fiberglass of winding process processing procedure.Wet paste is used between joint and the joint of fibreglass epoxy stove-pipe Connect, be connected by flange and eyelid covering telescopic joint between section with section.
But, owing to the sidewall of chimney contacts with outside, make the side wall temperatures of chimney decline when ambient temperature is relatively low, High-temperature flue gas within chimney can be caused condensation effect so that chimney is internally generated substantial amounts of flue gas condensing condensation acid solution. Condensation and dewfall acid solution in flue gas can mix with flue gas, and flows in air with one piece of discharge chimney of flue gas.Owing to flue gas is cold Condense dew liquid and there is certain acidity, and be mingled with the oxious components such as Gypsum Fibrosum, after being brought into atmosphere by flue gas, its shape that can descend slowly and lightly Become chimney acid rain (or gypsum rain), the building around chimney and ecological environment are damaged.
In view of this, the special proposition present invention.
Summary of the invention
It is an object of the invention to provide a kind of fiberglass stack extension flue gas condensing condensation acid solution collection device, to reach right The purpose that flue gas condensing condensation acid solution in chimney is collected.
To achieve these goals, adopt the following technical scheme that
A kind of fiberglass stack extension flue gas condensing condensation acid solution collection device, the inwall along fiberglass stack extension is provided with at least One week annular collecting tank, described collecting tank is obliquely installed horizontal by a sharp angle α, and the lowest part of each collecting tank is provided with Drainage hopper, the described drainage hopper discharging tube that arrange internal with fiberglass stack extension is connected.
Further, described collecting tank includes base plate ringwise, and base plate is obliquely installed horizontal by a sharp angle α;The end The periphery of plate contacts fixing with the inwall of fiberglass stack extension, and inner circumferential is connected with the baffle plate of the most horizontal-extending setting, with structure Become the conduit for flue gas condensing condensation acid solution flowing.
Further, described sharp angle α is between 45 to 1 degree;Preferably, sharp angle α is 10 degree;
Further, described collecting tank includes base plate ringwise, and described base plate is for incline gradually downward from inner circumferential periphery Oblique taper;The periphery of base plate contacts fixing with the inwall of fiberglass stack extension, to constitute for flue gas condensing condensation acid solution The conduit of flowing.
Further, the base plate lowest part of collecting tank is provided with the sump pit of concave downward.
Further, the base plate lowest part of collecting tank is provided with through hole, and the corresponding position below through hole is provided with sump pit, through hole and row The corresponding setting of opening of liquid bath, is provided with certain interval between described sump pit and collecting tank, to avoid sending out of flooded conditions Raw.
Further, the base plate of sump pit is provided with outage, and described outage is connected with discharging tube through drainage hopper, institute State discharging tube be vertically arranged or along fiberglass stack extension inwall arrange.
Further, the base plate of described sump pit is obliquely installed in from outer circumference outage, the upper end of described drainage hopper and row The corresponding fixing connection of fluid apertures, lower end are fixedly connected with discharging tube, make discharging tube be connected with collecting tank.
Further, at the differing heights of fiberglass stack extension, it is respectively equipped with one week annular collecting tank, each collecting tank warp respectively Discharging tube is collected discharge pond with flue gas condensing condensation acid solution and is connected.
Further, the incline direction of each collecting tank is consistent, makes the lowest part of each collecting tank be on same vertical curve, respectively Collecting tank is connected with same discharging tube through corresponding drainage hopper respectively.Described discharging tube is divided into different pipe by each collecting tank The more piece pipeline in footpath, each caliber the most gradually overstriking saving discharging tube.The upper end of each joint discharging tube and respective side liquid collecting On groove, the lower end of set drainage hopper is connected, and the upper end of lower end drainage hopper set with on respective side collecting tank is connected; Preferably, the upper end of each joint discharging tube and the lower end airtight connection of drainage hopper, lower end stretches in the upper end of drainage hopper, And there is therebetween certain interval, the flue gas condensing condensation acid solution collected for this collecting tank flows in drainage hopper;
Further, the incline direction of each collecting tank is crisscross arranged, and described fiberglass stack extension is in the most gradually overstriking Taper, the width of each collecting tank the most gradually narrows setting, and each liquid bath is respectively through corresponding drainage hopper and different rows Liquid pipe is respectively connected with leading to, and each collecting tank is respectively arranged at different vertical planes so that discharging tube intersects staggered arrangement with collecting tank Cloth, interferes to avoid producing.
Further, collecting tank is made up of glass steel material, and the periphery of collecting tank base plate connects with the inwall of fiberglass stack extension Synapsis is provided with fiberglass paste layer, makes collecting tank fix with fiberglass stack extension.Same, sump pit is also by glass steel Matter is constituted.
After using technique scheme, it is cold that the flue gas in fiberglass stack extension generates flue gas at the inwall of fiberglass stack extension Condense dew acid solution, during flue gas condensing condensation acid solution is along the inwall of fiberglass stack extension or free-falling to collecting tank, and along inclining The collecting tank tiltedly arranged is collected to lowest part, then and is collected to the outside of fiberglass stack extension through drain line drains, anti- Stop chimney inside smoke condensation and dewfall acid solution the flowing of chimney inside smoke to be impacted and flue gas condensing condensation acid solution pair The generation of corrosion condition is carried out inside chimney;And avoid flue gas condensing condensation acid solution with draining into the situation of air outside flue gas, Reduce the probability generating chimney acid rain (or gypsum rain) around chimney.
Meanwhile, at the differing heights of fiberglass stack extension, be respectively provided with collecting tank, the baseplate width of each collecting tank to Under gradually broaden so that your the flue gas condensing condensation acid solution cold at different vertical planes can be collected by each collecting tank, also makes Obtain bottom collecting tank to be collected, the flue gas condensing condensation acid solution of overflow at the sump pit of upper-part centralized liquid bath to realize collection The purpose that flue gas condensing condensation acid solution at different parts is collected by liquid bath.
Further, discharging tube is located at the inside of fiberglass stack extension, owing to the inner space of fiberglass stack extension does not exist screening Block material so that the wiring configuration of discharging tube more diversification, makes it vertically can extend along beeline, with the row of practicing every conceivable frugality The length of liquid pipe.
It addition, present configuration is simple, effect is notable, suitably promotes the use of.
Accompanying drawing explanation
Fig. 1 is the structural representation of fiberglass stack extension in the embodiment of the present invention;
Fig. 2 is the section structure schematic diagram of fiberglass stack extension in the embodiment of the present invention;
Fig. 3 is structure for amplifying schematic diagram at I in Fig. 2;
Fig. 4 is structure for amplifying schematic diagram at II in Fig. 2;
Fig. 5 is the detonation configuration schematic diagram of collecting tank lowest part in the embodiment of the present invention;
Fig. 6 is the section structure schematic diagram of fiberglass stack extension in another embodiment of the present invention;
Fig. 7 is structure for amplifying schematic diagram at III in Fig. 6;
Fig. 8 is the mounting structure schematic diagram of fiberglass stack extension in one embodiment of the invention;
Fig. 9 is the mounting structure schematic diagram of fiberglass stack extension in another embodiment of the present invention;
Figure 10 is the structural representation of fibreglass epoxy stove-pipe in the embodiment of the present invention.
Component description: 1 fiber reinforced plastic barrel, 2 collecting tanks, 3 discharging tubes, 4 sump pits, 5 drainage hoppers, 6 Packing ring, 7 bolt groups, 8 flanges, 21 base plates, 22 baffle plates, 23 fiberglass paste layer, 41 base plates, 42 Baffle plate, 43 leakage fluid drams, 100 fiberglass stack extensions, 200 reinforced concrete urceolus.
Detailed description of the invention
It should be noted that do not depositing in the case of a conflict, embodiment and technical characteristic therein can be mutually combined.Under The present invention is described in more detail by face in conjunction with the accompanying drawings and embodiments.
As shown in Figure 10, describing a kind of fibreglass epoxy stove-pipe in embodiments of the invention, described fibreglass epoxy stove-pipe includes Fiberglass stack extension 100 and reinforced concrete urceolus 200.Described fiberglass stack extension 100 is connected by more piece fiber reinforced plastic barrel 1 Constituting, the periphery of fiberglass stack extension 100 is also set with reinforced concrete urceolus 200, and described each joint fiber reinforced plastic barrel 1 is respectively Installation is fixed, so that chimney realizes firm installation and fixes with reinforced concrete urceolus 200.
As shown in Figures 1 to 9, in the embodiment of the present invention, a kind of fiberglass stack extension flue gas condensing condensation acid solution is collected Device, it includes the inner wall surrounding of fiber reinforced plastic barrel 1 is provided with at least one all collecting tanks 2, described collecting tank 2 and water Plane is being obliquely installed of a sharp angle α, and the lowest part of each collecting tank 2 is provided with drainage hopper 5, and described drainage hopper 5 will Collecting tank 2 discharging tube 3 that arrange internal with stack extension is connected, and discharging tube 3 collects discharge with flue gas condensing condensation acid solution Pond is connected, so that flue gas condensing condensation acid solution is collected.
Flue gas in fiberglass stack extension generates flue gas condensing condensation acid solution, flue gas condensing at the inwall of fiberglass stack extension During condensation acid solution is along the inwall of fiberglass stack extension or free-falling to collecting tank, and it is collected to along the collecting tank being obliquely installed Lowest part, then be collected through the outside of drain line drains to fibreglass epoxy stove-pipe, it is therefore prevented that chimney inside smoke condensation and dewfall The flowing of chimney inside smoke is impacted by acid solution and flue gas condensing condensation acid solution carries out corrosion condition to chimney inside and sends out Raw.
Meanwhile, discharging tube 3 is located at the inside of fiberglass stack extension, owing to the inner space of fiberglass stack extension does not exists Shelter so that the wiring configuration of discharging tube more diversification, makes it vertically can extend along beeline, to practice every conceivable frugality The length of discharging tube.
Embodiment one
As shown in Figures 1 to 5, in the present embodiment, described collecting tank 2 includes base plate 21 ringwise, base plate 21 with Horizontal plane is being obliquely installed of a sharp angle α;Described sharp angle α is between 45 to 1 degree;Preferably, α is 10 degree. The periphery of base plate 21 contacts fixing with the inwall of fiber reinforced plastic barrel 1, and inner circumferential is connected with the baffle plate of the most horizontal-extending setting 22, to constitute the conduit for flue gas condensing condensation acid solution flowing.Preferably, described base plate 21 and baffle plate 22 are glass Glass steel matter is constituted, and the two is integrated part.
Thus so that the flue gas condensing condensation acid solution along chimney inwall or free-falling can flow on annular bottom plate, and including The baffle plate in week and the chimney inwall of periphery jointly act on down and make flue gas condensing condensation acid solution be collected in this collecting tank;With Time, owing to base plate is obliquely installed so that the flue gas condensing condensation acid solution in collecting tank collects the lowest part flowing to collecting tank, To ensure that the flue gas condensing condensation acid solution in collecting tank can be all by outer row.
In the present embodiment, base plate 21 lowest part of collecting tank 2 is provided with the sump pit 4 of concave downward.The base plate of collecting tank 2 21 lowest parts are provided with through hole, and the corresponding position below through hole is provided with sump pit 4, so that the flue gas condensing collected in collecting tank Condensation acid solution comes together in lowest part, and flows in sump pit 4 through through hole.
In the present embodiment, described sump pit 4 is made up of base plate 41 and baffle plate 42, described base plate 42 side and glass The inwall of glass steel cylinder 1 contacts connection, and other sides of base plate connect upwardly-extending baffle 42 so that base plate 41, baffle plate 42 and fiber reinforced plastic barrel 1 surround sump pit 4 jointly.Same, sump pit 4 is located at the through hole of collecting tank 2 Place so that the base plate 41 of sump pit 4 constitutes the base plate 21 of collecting tank 2 corresponding section.
Preferably, between described sump pit 4 and collecting tank 2, it is provided with certain interval, so that the flue gas flowed in sump pit When condensation and dewfall acid solution is too much, flue gas condensing condensation acid solution is internal from this gap location overflow to chimney and falls to the collection of lower section In liquid bath, it is to avoid flue gas condensing condensation acid solution passes back into collecting tank, causes the generation of this too much situation of collecting tank hydrops.
In the present embodiment, the bottom of sump pit 4 is provided with outage 43, and described outage 43 is through drainage hopper 5 and erects Discharging tube 3 that is straight that arrange or that arrange along chimney inwall is connected.The bottom of described sump pit 4 is in from outer circumference outage 43 are obliquely installed so that the flue gas condensing condensation acid solution in sump pit 4 collects flowing, with the row of avoiding at outage 43 Liquid bath is retained and has hydrops.
As shown in Figures 2 to 5, in the present embodiment, described drainage hopper 5 is vertically to extend, and upper end is big, lower end is little Conical hopper.The fixing connection corresponding with outage 43 of the upper end open of drainage hopper 5, lower ending opening and discharging tube 3 It is fixedly connected, to make discharging tube 3 be connected through drainage hopper 5 with collecting tank 2.On drainage hopper 5 is set to End is big, lower end is little so that the discharge pressure in drainage hopper is gradually increased, and is beneficial to the fluency of draining.
In the present embodiment, collecting tank 2 is made up of glass steel material, base plate 21 periphery of collecting tank 2 and fiber reinforced plastic barrel 1 Fit contact, and laminating contact position is coated with fiberglass paste layer 23, fixes realizing the installation of collecting tank and chimney.Described Fiberglass paste layer 23 extend to fiber reinforced plastic barrel 1 and collecting tank 2 direction respectively from contact position, to ensure collecting tank Seal;Meanwhile, the thickness of fiberglass paste layer 23 is gradually reduced to both sides from contact position.Same, sump pit 4 is also It is made up of glass steel material, and base plate 41 periphery of sump pit 4 and fiber reinforced plastic barrel 1 contact position that fits is coated with glass Glass steel paste layer 23.
Embodiment two
As shown in Figure 6 and Figure 7, in the present embodiment, the base plate 21 of described collecting tank 2 in from inner circumferential periphery gradually to The taper of lower inclination, the periphery of base plate 21 contacts fixing with the inwall of fiber reinforced plastic barrel 1, to constitute for flue gas condensing The taper conduit of condensation acid solution flowing.Lower end being obliquely installed horizontal by a sharp angle α of described base plate 21, to protect Demonstrate,prove the flue gas condensing condensation acid solution in collecting tank under the common restriction effect of base plate and chimney inwall to the lowest part of base plate Collect flowing.
By base plate is set to taper so that collecting tank only just be may make up by base plate and chimney inwall, simplifies collecting tank Structure, improves intensity.
Embodiment three
As shown in Figure 8, in the present embodiment, at the differing heights of fiberglass stack extension, it is respectively equipped with the collecting tank of one week annular 2, the incline direction of each collecting tank 2 is consistent, makes the lowest part of each collecting tank 2 be on same vertical curve.
In the present embodiment, fiberglass stack extension is in the taper the most gradually widened, and the base plate 21 of each collecting tank 2 is wide Degree the most gradually broadens so that the flue gas condensing condensation acid solution at different vertical planes can be collected by each collecting tank 2, Also make the flue gas condensing condensation acid solution that overflow at the sump pit 4 corresponding to upper-part centralized liquid bath 2 can be gone out by bottom collecting tank 2 It is collected, to realize the purpose that the flue gas condensing condensation acid solution at different parts is collected by collecting tank.
In the present embodiment, each collecting tank 2 is connected with same discharging tube 3 through corresponding drainage hopper 5 respectively, described row Liquid pipe 3 is divided into the more piece pipeline of different tube diameters by each collecting tank 2, each caliber the most gradually overstriking saving discharging tube 3. The lower end of the upper end drainage hopper 5 set with on respective side collecting tank 2 of each joint discharging tube 3 is connected, lower end and respective side On collecting tank 2, the upper end of set drainage hopper 5 is connected;Preferably, each upper end saving discharging tube 3 and drainage hopper 5 Lower end airtight connection, lower end is stretched in the upper end of drainage hopper 5 and there is therebetween certain interval, for this collection The flue gas condensing condensation acid solution that liquid bath 2 is collected flows in drainage hopper 5.
By the above-mentioned connecting tube 3 being set with connection layer by layer and drainage hopper 5 so that the flue gas condensing collected by each collecting tank Condensation acid solution all can enter in discharging tube, and flows out to flue gas condensing condensation acid solution collection discharge pond along discharging tube.
Embodiment four
As it is shown in figure 9, in the present embodiment, be respectively equipped with the collecting tank of one week annular at the differing heights of fiberglass stack extension 2, the incline direction of each collecting tank 2 is inconsistent, makes the lowest part of each collecting tank 2 be on same vertical curve.
In the present embodiment, the taper in the most gradually overstriking of the described fiberglass stack extension, the width of each collecting tank 2 is certainly Above gradually narrowing setting downwards, each collecting tank 2 is respectively connected with leading to from different discharging tubes 3 through corresponding drainage hopper 5 respectively, And each collecting tank 2 extends along different vertical curves respectively so that discharging tube 3 and the staggered arrangement of collecting tank 2, to avoid Produce and interfere.
Embodiment in above-described embodiment can be further combined or replace, and embodiment is only excellent to the present invention Select embodiment to be described, not the spirit and scope of the present invention are defined, without departing from design philosophy of the present invention Under premise, the various changes and modifications that in this area, technical scheme is made by professional and technical personnel, belong to this The protection domain of invention.

Claims (10)

1. a fiberglass stack extension flue gas condensing condensation acid solution collection device, it is characterised in that: along fiberglass The inwall of chimney was provided with at least one week annular collecting tank (2), and described collecting tank (2) is horizontal by a sharp angle α Be obliquely installed, the lowest part of each collecting tank (2) is provided with drainage hopper (5), described drainage hopper (5) and glass The internal discharging tube (3) arranged of glass steel stack extension is connected.
A kind of fiberglass stack extension flue gas condensing condensation acid solution collection device the most according to claim 1, its It is characterised by: described collecting tank (2) includes base plate (21) ringwise, and base plate (21) is sharp horizontal by one Angle α is obliquely installed;The periphery of base plate (21) contacts fixing with the inwall of fiberglass stack extension, and inner circumferential is connected with The baffle plate (22) of the most horizontal-extending setting, to constitute the conduit for flue gas condensing condensation acid solution flowing.
A kind of fiberglass stack extension flue gas condensing condensation acid solution collection device the most according to claim 1, its It is characterised by: described collecting tank (2) includes base plate (21) ringwise, and described base plate (21) is from interior The taper that circumference periphery tilts gradually downward;The periphery of base plate (21) contacts solid with the inwall of fiberglass stack extension Fixed, to constitute the conduit for flue gas condensing condensation acid solution flowing.
A kind of fiberglass stack extension flue gas condensing condensation acid solution collection device the most according to claim 1, its It is characterised by: base plate (21) lowest part of collecting tank (2) is provided with the sump pit (4) of concave downward.
A kind of fiberglass stack extension flue gas condensing condensation acid solution collection device the most according to claim 1, its It is characterised by: base plate (21) lowest part of collecting tank (2) is provided with through hole, and the corresponding position below through hole is provided with discharge opeing Groove (4), is provided with certain interval between described sump pit (4) and collecting tank (2).
6. according to a kind of fiberglass stack extension flue gas condensing condensation acid solution collection device described in claim 4 or 5, It is characterized in that: the bottom of sump pit (4) is provided with outage (43), described outage (43) leaks through discharge opeing Bucket (5) is connected with discharging tube (3), and described discharging tube (3) is vertically arranged or along the inwall of fiberglass stack extension Arrange.
A kind of fiberglass stack extension flue gas condensing condensation acid solution collection device the most according to claim 6, its It is characterised by: the base plate (41) of described sump pit (4) is obliquely installed in from outer circumference outage (43), described The fixing connection corresponding with outage (43) of the upper end of drainage hopper (5), lower end fix with discharging tube (3) Connect, make discharging tube (3) be connected with collecting tank (2).
8. collect according to the arbitrary described a kind of fiberglass stack extension flue gas condensing condensation acid solution of claim 1 to 7 Device, it is characterised in that: it is respectively equipped with one week annular collecting tank (2) at the differing heights of fiberglass stack extension, respectively Collecting tank (2) is collected discharge pond through discharging tube (3) with flue gas condensing condensation acid solution respectively and is connected.
A kind of fiberglass stack extension flue gas condensing condensation acid solution collection device the most according to claim 8, its It is characterised by: the incline direction of each collecting tank (2) is consistent, makes the lowest part of each collecting tank (2) be in same On vertical curve, each collecting tank (2) is connected with same discharging tube (3) through corresponding drainage hopper (5) respectively;
Described discharging tube (3) is divided into the more piece pipeline of different tube diameters by each collecting tank (2), respectively saves discharging tube (3) Caliber the most gradually overstriking;Respectively save the upper end set row upper with respective side collecting tank (2) of discharging tube (3) The mutually airtight connection in lower end of liquid funnel (5), lower end is stretched in the upper end of drainage hopper (5) and deposits therebetween At certain interval.
A kind of fiberglass stack extension flue gas condensing condensation acid solution collection device the most according to claim 8, It is characterized in that: the incline direction of each collecting tank (2) is crisscross arranged, described fiberglass stack extension in from up to down by The gradually taper of overstriking, the width of each collecting tank (2) the most gradually narrows setting, and each collecting tank (2) is respectively It is respectively connected with leading to from different discharging tubes (3) through corresponding drainage hopper (5), and each collecting tank (2) is respectively arranged on At different vertical planes so that discharging tube (3) and collecting tank (2) staggered arrangement.
CN201510405521.XA 2015-07-10 2015-07-10 Flue gas condensation and dew formation acid fluid collection device for glass fiber reinforced plastic internal chimney Pending CN106322413A (en)

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CN110314525A (en) * 2018-03-29 2019-10-11 中国电力工程顾问集团华北电力设计院有限公司 The droplet collection device and drop collection system of drop are eliminated after wet desulphurization
CN108479202A (en) * 2018-05-15 2018-09-04 浙江工业大学 A kind of GLCC shape gas-liquid cyclone separators that more import thickness pipeline sections combine
JP2021017983A (en) * 2019-07-17 2021-02-15 株式会社ヒラカワ Recovery device for condensed water generated in flue
JP7389452B2 (en) 2019-07-17 2023-11-30 株式会社ヒラカワ Combustion equipment with a recovery device for condensed water generated in the flue

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Application publication date: 20170111