CN209325815U - A kind of desulfurization duct acid solution collecting pipe positive pressure water drainage device - Google Patents
A kind of desulfurization duct acid solution collecting pipe positive pressure water drainage device Download PDFInfo
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- CN209325815U CN209325815U CN201821358676.8U CN201821358676U CN209325815U CN 209325815 U CN209325815 U CN 209325815U CN 201821358676 U CN201821358676 U CN 201821358676U CN 209325815 U CN209325815 U CN 209325815U
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- China
- Prior art keywords
- acid solution
- collecting pipe
- drain case
- solution collecting
- positive pressure
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Abstract
The utility model relates to a kind of desulfurization duct acid solution collecting pipe positive pressure water drainage devices, the device includes upper opening of rectangle drain case, a drainage hole is respectively set in the upper and lower part of drain box body side, superposed drainage hole is connect with overflow pipe, drainage hole positioned at lower part is connect with bottom discharge pipe, valve door in bottom is set on the discharge pipe of bottom, overflow pipe and bottom discharge pipe lead to trench, after injecting water in drain case, acid solution collecting pipe is inserted into liquid level layer in drain case hereinafter, covering above drain case by cover board.The utility model has the following beneficial effects: install drain case additional by collecting pipe end in acid solution, acid solution collecting pipe is inserted into cabinet liquid level layer hereinafter, causing environmental pollution it is possible to prevente effectively from the flue gas in flue is exhausted directly in atmosphere by the quantitative water of injection in case；Drainage hole is arranged in drain case side simultaneously, and drain pipe is connected to trench, achievees the purpose that flue gas No leakage acid solution is collected；Whole device is not easy to plug, clears up simple, high reliablity.
Description
Technical field
The utility model relates to desulfurization duct field of waste liquid treatment, collect in particular to a kind of desulfurization duct acid solution
Pipe positive pressure water drainage device.
Background technique
With the steady enhancing implemented with Public environmental attitude of national environmental protection policy, domestic Coal,steam plant with FGD
Device operation is conventional to draw, and most domestic uses Wet Flue Gas Desulfurization Technique, passes through Limestone-gypsum Wet Flue Gas Desulfurization Process skill
Art technique removes one of the principal mode that the sulfur dioxide in flue gas is current thermal power generation, and high-temperature flue gas passes through former flue and enters
The SO in flue gas is sloughed on absorption tower2It into net flue, is drained into atmosphere finally by chimney, but flue gas is by wet desulphurization
After reason, flue gas is substantially saturation or the wet flue gas close to saturation, after flue gas is discharged into chimney, the water vapour of the saturation in original flue gas
More liquid forms exist, and condense rapidly after being reduced due to temperature, a part of droplet of acid drop formed after condensation with
Chimney is discharged in flue gas, and the inner wall that other parts are just attached to chimney forms liquid film, in the effect of gravity, inner wall of stack viscous force
Under, the condensed water of larger flow is formed after inner wall coagulating liq confluence, pH value, in acidity, needs to collect by acid solution less than 7
Pipe is collected and is expelled to trench in time.Conventional acid solution collecting pipe mostly uses FRP material to make, and trench is directed directly to, to prevent cigarette
Gas leakage, after end one curved design of U type of increase, U-shaped curved interior water, outlet can be unable to outlet but flue gas by reaching acid solution
Purpose, but there are U-shaped curved pipes easily to block for this mode, and dredging difficulty is big, the insecure problem of equipment.
Utility model content
Aiming at the shortcomings existing in the above problems, the utility model provides a kind of desulfurization duct acid solution collecting pipe positive pressure
FRP acid solution collection conduit is changed to carbon steel line with rubber material by drainage arrangement, no longer uses U-shaped curved design, and pipe end increases by one
The stainless steel water tank of upper opening, the quantitative water of the interior injection of water tank, and acid solution collecting pipe is inserted into water, meet flue gas No leakage acid
The requirement that liquid is collected.
To achieve the above object, the utility model provides a kind of desulfurization duct acid solution collecting pipe positive pressure water drainage device, the dress
It sets and includes:
Drain case, top opening, and internal injection water；
Cover board, lid are closed in the drain box top；
Acid solution collecting pipe, one end through the cover board and being inserted into the drain case, and end be located at liquid level layer with
Under；
Overflow pipe, one end are connected to the drain upper box part, and the other end is connected to trench；
Bottom discharge pipe, one end are connected to the drain lower box part, and the other end is connected to the trench, the bottom discharge pipe
Upper setting bottom valve door.
It is further improved as the utility model, the drain case side surface upper part offers drainage hole, the overflow pipe
Road is connected to by upper drainage hole with the drain case；The drain case side lower offers lower drainage hole, the bottom discharge pipe
It is connected to by lower drainage hole with the drain case.
It is further improved as the utility model, it is identical that the upper drainage hole and the lower drainage hole are located at the drain case
Side on.
It is further improved as the utility model, the upper drainage hole and the lower drainage hole are located at two, the drain case
On different sides.
It is further improved as the utility model, the bottom discharge pipe is identical with the internal diameter of the overflow pipe.
It is further improved as the utility model, the drain case is stainless steel material.
It is further improved as the utility model, the acid solution collecting pipe is carbon steel line with rubber material.
It is further improved as the utility model, the overflow pipe and the bottom discharge pipe are stainless steel material.
Preferred as the utility model, the cover board is fibreglass reinforced plastic cover.
As the utility model it is furthermore preferred that the bottom valve door is Hand-operated butterfly valve.
The utility model has the following beneficial effects: collecting pipe end by the acid solution in carbon steel line with rubber material installs drain case additional,
The quantitative water of injection in case, by acid solution collecting pipe insertion cabinet liquid level layer hereinafter, it is possible to prevente effectively from the flue gas in flue is direct
It is discharged in atmosphere, causes environmental pollution；Meanwhile drainage hole is arranged in drain case side top and the bottom, and is connected by drain pipe and trench
It is logical, achieve the purpose that flue gas No leakage acid solution is collected；In addition, valve is set in the drain pipe for being located at lower box, it can be at any time
By the intracorporal emptying rate of liquid of case, whole device is not easy to plug, clears up simple, high reliablity.
Detailed description of the invention
Fig. 1 is that a kind of front of the structural schematic diagram of desulfurization duct acid solution collecting pipe positive pressure water drainage device of the utility model is cutd open
View；
Fig. 2 is a kind of vertical view of the structural schematic diagram of desulfurization duct acid solution collecting pipe positive pressure water drainage device of the utility model
Figure.
In figure: 1, drain case；2, acid solution collecting pipe；3, bottom discharge pipe；4, bottom valve door；5, overflow pipe；6, Cover for manhole
Plate；7, trench；8, cover board.
Specific embodiment
As shown in Figs. 1-2, a kind of desulfurization duct acid solution collecting pipe positive pressure water drainage device described in the utility model embodiment,
The device includes: drain case 1, top opening, and internal injection water；Cover board 8, lid close at 1 top of drain case；Acid solution is collected
Pipe 2, one end is through cover board 8 and is inserted into the drain case 1, and end is located at liquid level layer or less；Overflow pipe 5, one
End is connected to 1 top of drain case, and the other end is connected to trench 7；Bottom discharge pipe 3, one end is connected to 1 lower part of drain case, another
End is connected to trench 7, and bottom valve door 4 is arranged on bottom discharge pipe 3.
2 end of acid solution collecting pipe increases the drain case 1 of a upper opening, and no longer U-shaped curved using end increase by one
Design, can effectively avoid line clogging, while can be observed in real time overflow discharge situation in drain case 1, while in cabinet
Deposition ash and slurries after longtime running are also convenient for clearing up；It the side of drain case 1, can be in case at any time there are drainage hole
Liquid discharge.
Further, 1 side surface upper part of drain case offers drainage hole, and overflow pipe 5 passes through upper drainage hole and drain case 1
Connection；1 side lower of drain case offers lower drainage hole, and bottom discharge pipe 3 is connected to by lower drainage hole with drain case 1.Drainage hole
Size and the caliber of overflow pipe 5 and bottom discharge pipe 3 match, junction is not in the phenomenon of leakage by encapsulation process.
Further, upper drainage hole and lower drainage hole are located on the identical side of drain case or on two different sides.
According to actual place situation or installation needs, upper drainage hole and lower drainage hole can be arranged in the same side or not of drain case
Ipsilateral improves the adaptability of device.
Further, bottom discharge pipe 3 is identical with the internal diameter of overflow pipe 5.Using the tubing of same size, so that accessory phase
It is mutually general, it is more convenient to buy and be conducive to later maintenance.
Further, drain case 1 is stainless steel material, corrosion-resistant, improves service life of equipment.
Further, acid solution collecting pipe 2 is carbon steel line with rubber material, reliability that is corrosion resistant while improving equipment；
Further, overflow pipe 5 and bottom discharge pipe 3 are stainless steel material, corrosion-resistant, improve service life of equipment.
Further, cover board 8 is fibreglass reinforced plastic cover, and cover board can prevent external dust, liquid from entering in cabinet, transparent
Fibreglass reinforced plastic cover, intensity is high, highly-safe, the flooded conditions being also convenient for inside observation drain case 1.
Further, bottom valve door 4 be Hand-operated butterfly valve, good seal performance is corrosion-resistant, can fast opening and closing, it is easy to operate, together
When have good fluid handling properties.
When specific implementation:
One square drain case of processing and fabricating is carried out using the above corrosion-resistant material flitch of the 316L rank of 5mm thickness, size can root
It is adjusted according to live actual size, it is suitable for reading for opening design if design size is 100cm*100cm*100cm.Drain case side
The circular hole of two 100mm diameters is opened in face, and one is located at lower box, and center of circular hole is apart from bottom of box 200mm；Another is located at
Cabinet top, center of circular hole can be opened in the ipsilateral of cabinet or not ipsilateral apart from top of the box 300mm, two circular holes, and position can
On same vertical line or different vertical lines.The pipeline that two circular holes pass through same inner diameter respectively leads to trench, material and cabinet one
It causes, lower pipeline is the bottom discharge pipe of drain case, and is equipped with Hand-operated butterfly valve；Upper pipe is the overflow pipe of drain case, nothing
Valve design, can directly overflow to trench.Then a certain amount of water is injected in drain case, by the desulfurization cigarette of carbon steel line with rubber material
Road acid solution collecting pipe is inserted into cabinet liquid level layer or less；It will finally be covered above cabinet by fibreglass reinforced plastic cover.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of desulfurization duct acid solution collecting pipe positive pressure water drainage device characterized by comprising
Drain case (1), top opening, and internal injection water；
Cover board (8), lid close at the top of the drain case (1)；
Acid solution collecting pipe (2), one end is through the cover board (8) and is inserted into the drain case (1), and end is located at liquid level
Layer or less；
Overflow pipe (5), one end are connected to drain case (1) top, and the other end is connected to trench (7)；
Bottom discharge pipe (3), one end are connected to drain case (1) lower part, and the other end is connected to the trench (7), the bottom
Bottom valve door (4) are set on discharge pipe (3).
2. a kind of desulfurization duct acid solution collecting pipe positive pressure water drainage device according to claim 1, it is characterised in that: the row
Liquid case (1) side surface upper part offers drainage hole, and the overflow pipe (5) is connected to by upper drainage hole with the drain case (1)；
Drain case (1) side lower offers lower drainage hole, and the bottom discharge pipe (3) passes through lower drainage hole and the drain
Case (1) connection.
3. a kind of desulfurization duct acid solution collecting pipe positive pressure water drainage device according to claim 2, it is characterised in that: on described
Drainage hole and the lower drainage hole are located on the identical side of the drain case (1).
4. a kind of desulfurization duct acid solution collecting pipe positive pressure water drainage device according to claim 2, it is characterised in that: on described
Drainage hole and the lower drainage hole are located on (1) two different side of the drain case.
5. a kind of desulfurization duct acid solution collecting pipe positive pressure water drainage device according to claim 1, it is characterised in that: the bottom
Discharge pipe (3) is identical with the internal diameter of the overflow pipe (5).
6. a kind of desulfurization duct acid solution collecting pipe positive pressure water drainage device according to claim 1, it is characterised in that: the row
Liquid case (1) is stainless steel material.
7. a kind of desulfurization duct acid solution collecting pipe positive pressure water drainage device according to claim 1, it is characterised in that: the acid
Liquid collecting pipe (2) is carbon steel line with rubber material.
8. a kind of desulfurization duct acid solution collecting pipe positive pressure water drainage device according to claim 1, it is characterised in that: described to overflow
Flow tube road (5) and the bottom discharge pipe (3) are stainless steel material.
9. a kind of desulfurization duct acid solution collecting pipe positive pressure water drainage device according to claim 1, it is characterised in that: the lid
Plate (8) is fibreglass reinforced plastic cover.
10. a kind of desulfurization duct acid solution collecting pipe positive pressure water drainage device according to claim 1, it is characterised in that: described
Bottom valve door (4) is Hand-operated butterfly valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821358676.8U CN209325815U (en) | 2018-08-22 | 2018-08-22 | A kind of desulfurization duct acid solution collecting pipe positive pressure water drainage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821358676.8U CN209325815U (en) | 2018-08-22 | 2018-08-22 | A kind of desulfurization duct acid solution collecting pipe positive pressure water drainage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209325815U true CN209325815U (en) | 2019-08-30 |
Family
ID=67705565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821358676.8U Active CN209325815U (en) | 2018-08-22 | 2018-08-22 | A kind of desulfurization duct acid solution collecting pipe positive pressure water drainage device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112504768A (en) * | 2020-12-24 | 2021-03-16 | 江苏索普化工股份有限公司 | Overflow type sampling device for sulfuric acid pipeline |
-
2018
- 2018-08-22 CN CN201821358676.8U patent/CN209325815U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112504768A (en) * | 2020-12-24 | 2021-03-16 | 江苏索普化工股份有限公司 | Overflow type sampling device for sulfuric acid pipeline |
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