CN212327648U - Novel liquid collector device - Google Patents
Novel liquid collector device Download PDFInfo
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- CN212327648U CN212327648U CN202021060730.8U CN202021060730U CN212327648U CN 212327648 U CN212327648 U CN 212327648U CN 202021060730 U CN202021060730 U CN 202021060730U CN 212327648 U CN212327648 U CN 212327648U
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Abstract
The utility model relates to a novel liquid collector device, which comprises an air lifting cap, a liquid collecting disc and a liquid discharge pipe; the liquid collecting disc is of a two-way ramp liquid discharging structure with a high middle part and low two sides; the gas lifting cap is welded at the position of the opening on the liquid collecting disc and comprises a top plate, a flow guide plate, a top plate support and a side baffle plate, the side baffle plate surrounds a synthesis gas flow channel, the top plate is welded at the top of the side baffle plate, the flow guide plate is welded at the opening on two sides of the side baffle plate, and the top plate support is welded between the top plate and the side baffle plate; and liquid discharge ports are arranged at the lower parts of the two sides of the liquid collecting disc and are connected with a liquid discharge pipe. The utility model has the advantages that: the utility model discloses set up the cap of rising gas, the characteristics of gas-liquid two-phase flow in the make full use of flue gas select suitable collecting tray percent of opening, will rise the cap of rising gas and evenly arrange on the collecting tray, reduced the running resistance of system, can obtain better flue gas desorption effect.
Description
Technical Field
The utility model relates to a field that coal fired power plant's desulfurization, chemical plant's desulfurization, boats and ships desulfurization etc. need realize the double-phase separation of gas-liquid especially relates to an ammonia process desulfurization metal liquid trap device.
Background
In coal-fired boiler environmental protection facilities, in order to realize the zoned design of desulfurization in the absorption tower, a liquid collector is usually arranged below a spraying layer, and slurry after reaction is discharged to the outside of the tower.
The conventional wet flue gas desulfurization tower comprises a concentration section, a desulfurization section, a washing section and a demister, wherein the desulfurization section is mainly used for adsorbing SO in flue gas by spraying ammonia water slurry2And the washing section is mainly used for spraying circulating water and washing flue gas. In order to realize that the desulfurized or washed slurry is sufficiently separated from the flue gas and the desulfurized or washed liquid is collected and discharged, gas-liquid separation devices are arranged at the lower parts of a desulfurization section and a washing section of a desulfurization tower; the gas-liquid separation device comprises a liquid collecting disc, a gas lifting cap and a liquid discharging section; the liquid collecting tray is arranged in the desulfurizing tower, the gas lifting caps are arranged on the upper part of the liquid collecting tray, and a liquid collecting groove is formed by gaps among the gas lifting caps; the side baffle of the air lifting cap is square or cylindrical, and the smoke is dischargedThe air flows upwards from the hollow position in the air lifting cap, the ammonia water slurry or the washing liquid is sprayed downwards from the circulating spraying layer, and the top plate of the air lifting cap can prevent the slurry from entering the square air lifting cap or the cylindrical air lifting cap and dropping downwards.
The lift cap and the liquid collecting tray in the conventional ammonia desulfurization tower are made of FRP materials, the field pasting workload is large, the manufacturing and installation quality is limited by the construction environment and the hand pasting level of constructors, and the overall dimension of parts is often deviated from the design value. Especially in northern area, the flue gas is great because of the boiler opens and stops the difference in temperature, because thermal expansion coefficient has some differences between the different materials, causes the faying surface fracture easily behind the FRP material expansion and contraction, leads to leaking in the thick liquid that sprays, has seriously influenced desulfurization system's normal operating.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough among the prior art, providing a novel liquid collector device suitable for ammonia process flue gas desulfurization technology, can realize the high-efficient separation of gas-liquid in the desulfurizing tower, and do not take place the seepage phenomenon, the catch tray adopts the ramp design simultaneously, is favorable to smooth and easy flowing back and automatically cleaning.
The novel liquid collector device comprises an air lifting cap, a liquid collecting disc and a liquid discharge pipe; the liquid collecting disc is of a two-way ramp liquid discharging structure with a high middle part and low two sides; the gas lifting cap is welded at the position of the opening on the liquid collecting disc and comprises a top plate, a flow guide plate, a top plate support and a side baffle plate, the side baffle plate surrounds a synthesis gas flow channel, the top plate is welded at the top of the side baffle plate, the flow guide plate is welded at the opening on two sides of the side baffle plate, and the top plate support is welded between the top plate and the side baffle plate; and liquid discharge ports are arranged at the lower parts of the two sides of the liquid collecting disc and are connected with a liquid discharge pipe.
Preferably, the method comprises the following steps: the opening on the liquid collecting disc is rectangular or circular.
Preferably, the method comprises the following steps: the top plate is supported in a plate-like structure.
Preferably, the method comprises the following steps: the inside of the airflow channel enclosed by the side baffle is additionally provided with a reinforcing rib.
Preferably, the method comprises the following steps: the lateral part baffle of rising cap is cuboid structure or tubular structure, and the roof at the lateral part baffle top of cuboid structure is equipped with the edge eaves that upwards turns up, and the roof at the lateral part baffle top of tubular structure is the cone structure.
Preferably, the method comprises the following steps: the section of the liquid outlet is rectangular or circular.
Preferably, the method comprises the following steps: the outer walls of every two gas lifting caps are connected through a connecting steel pipe to form lateral support.
Preferably, the method comprises the following steps: the drain outlet sets up grid plate and rail.
Preferably, the method comprises the following steps: the air lift cap and the liquid collecting disc are made of alloy materials.
Preferably, the method comprises the following steps: a bottom supporting beam is arranged at the bottom of the liquid collecting tray.
The utility model has the advantages that:
1. small running resistance and uniform smoke distribution
The utility model discloses set up the cap of rising gas, the characteristics of gas-liquid two-phase flow in the make full use of flue gas select suitable collecting tray percent of opening, will rise the cap of rising gas and evenly arrange on the collecting tray, reduced the running resistance of system, can obtain better flue gas desorption effect.
2. Self-cleaning is realized, and the operation and maintenance cost is low
The utility model discloses an it installs according to certain inclination to rise the cap guide plate, makes the fine dust in the flue gas hit the guide plate after, under the high-speed impact and the roof of follow-up flue gas, downwards lower floor's landing step by step need not to dispose other washing or clean facilities specially again, has reduced the operation and the maintenance cost of complete equipment effectively.
3. Easy maintenance and better applicability
This device main part is installed on the girder in the absorption tower, adopts the welding mode fixed, and the device adopts anticorrosive inside lining transition with the overlap joint region of absorption tower inner wall, can effectively guarantee that anticorrosive lining does not receive the damage during the operation, further hoisting device's suitability.
4. Simple structure and convenient manufacture
The utility model discloses a lift cap specification is unified, but the modularization is makeed in batches. The main materials of the structure are domestic standard material specifications, and the purchase is convenient.
Drawings
FIG. 1 is a schematic view of a novel liquid trap assembly;
FIG. 2 is a schematic view of a rectangular parallelepiped lift cap;
FIG. 3 is a schematic view of a ramp drip pan;
FIG. 4 is a view of a rectangular parallelepiped air cap drip pan opening;
FIG. 5 is a schematic view of a barrel lift cap;
FIG. 6 is a view of the opening of the liquid collecting tray of the cylinder body lift cap;
fig. 7 is an external connection view of the lift cap.
Description of reference numerals: the device comprises a top plate 1, a guide plate 2, a top plate support 3, a side baffle 4, an air lifting cap 5, a liquid collecting disc 6, a liquid discharging port 7, a liquid discharging pipe 8, a bottom support beam 9 and a connecting steel pipe 10.
Detailed Description
The present invention will be further described with reference to the following examples. The following description of the embodiments is merely provided to aid in understanding the invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
An alloy steel plate with a high middle part and two low sides is arranged below the circulating spraying layer to serve as a liquid collecting disc 6, air lifting caps 5 are welded on the upper portion of the liquid collecting disc 6, and the outer walls of every two air lifting caps 5 are connected with each other to form lateral support; liquid discharge ports 7 are arranged on two sides of the liquid collecting disc 6, and the cross section of each liquid discharge port 7 is rectangular or circular, so that smooth liquid discharge is facilitated. The liquid collecting disc adopts a bidirectional ramp liquid discharging mode, the problems that liquid discharging is not smooth and the like caused by unreasonable design of a liquid collector in the prior art are solved, and self-cleaning of the liquid collecting disc is facilitated.
The device is connected with the absorption tower wall plate and the supporting beam in a welding mode, and the sealing performance of the liquid collecting disc is effectively guaranteed. The device is also suitable for other occasions for gas-liquid separation operation.
As shown in figure 1, a plurality of groups of rectangular air lifting cap modules are uniformly welded at the position of an opening on a liquid collecting tray 6 to form a liquid collecting tank, two sides of the liquid collecting tray 6 are respectively provided with a liquid discharge pipe 8, and the liquid discharge amount is greater than the liquid inlet amount.
As shown in fig. 2, the lift cap comprises a top plate 1, a guide plate 2, a top plate support 3 and a side baffle 4, and an airflow channel is formed by the side baffle 4; the top plate 1 is welded on the upper part of the side baffle 4, and the guide plate 2 is welded at the openings at the two sides of the side baffle 4; the top plate supports 3 are welded between the top plate 1 and the side baffle 4, and a gap for smoke to pass through is formed between every two adjacent top plate supports 3; in this embodiment, two, four, top plate supports 3 are provided on each side, and the top plate supports 3 are plate-shaped structures. The flue gas enters from the bottom of the gas lifting cap 5 and is discharged from the openings of the guide plates 2 at the two sides. Inside roof 1 can prevent to get into the absorption tower from spraying the thick liquid that the layer was spouted, the edge eaves that turns up on roof 1 can be with the regional position that thick liquid water conservancy diversion to the pore is not gone up in roof both sides (other both sides of rising the hood promptly, rise the hood and form by four curb plate welds, two long curb plate trompils, two short curb plate do not trompils), lateral baffle 4 does not highly exceed the hydrops height of trompil. The lateral baffle 4 is formed by rolling a whole steel plate, and the air flow channel is internally provided with a reinforcing rib. The air lifting cap can be manufactured in a modularized mode.
As shown in figure 3, the liquid collecting discs are manufactured in blocks, the two liquid collecting discs are connected in a welding mode, the middle of each liquid collecting disc is high, the two sides of each liquid collecting disc are low, and the height difference is 20-60 mm. Because ammonia process desulfurization thick liquid concentration is big, and the velocity of flow is slow, in order to make thick liquid discharge desulfurizing tower fast, the liquid trap adopts ramp design to accelerate the thick liquid flow, reduces the liquid holding height of collecting tank.
As shown in fig. 4, the opening ratio of the rectangular air cap drip pan is suitably between 20% and 50%. The air lift caps 5 are welded one by one to the drip pan 6.
Fig. 5 is a circular air lifting cap for an ammonia desulfurization tower, wherein a side baffle 4 is made into a cylindrical structure, the upper part of the cylindrical structure is provided with a hole, a top plate 1 is of a cone structure, and a top plate support 3 is arranged between the top plate 1 and the side baffle 4. FIG. 6 is a view of the opening of the collector pan of the circular lift cap, the opening being circular.
As shown in figure 7, the outer walls of every two air lifting caps 5 are connected through a connecting steel pipe 10 to form lateral support.
The metal liquid collector (such as an air lifting cap, a liquid collecting disc and the like) is made of 022Cr17Ni12Mo2, S32205 and other corrosion-resistant alloy materials, and the thickness of the steel plate is between 2 and 6 mm. The top plate 1 of the air lifting cap 5 can be designed to be flat or bent, and the right-angle parts are all rounded. The opening rate of the side baffle 4 of the air lifting cap 5 is 20-50%. The distance between the air lifting cap and the air lifting cap is increased, and the maintenance is more convenient. The metal liquid collector has the characteristics of good corrosion resistance and abrasion resistance, long service life, high strength, convenience in manufacturing and maintenance, more uniform flue gas flow velocity distribution and the like. The middle of the liquid collecting disc 6 is high, two sides of the liquid collecting disc are low, the liquid discharging ports 7 are arranged at the low positions of the two sides of the liquid collecting disc 6 (a plurality of liquid discharging ports can be arranged according to the diameter of the tower), and rectangular (or circular) liquid discharging ports are formed, so that the liquid discharging amount can be greatly improved, and the retention time of the slurry in the tower is reduced. The liquid discharge port 7 is provided with a grating plate and a fence, so that the passing safety is improved, and larger parts in the tower are prevented from entering and blocking a pipeline.
The device is applied to the ammonia desulfurization towers of multiple units in ultra-low emission projects.
Claims (10)
1. A novel liquid trap device is characterized in that: comprises an air lifting cap (5), a liquid collecting disc (6) and a liquid discharging pipe (8); the liquid collecting disc (6) is arranged into a two-way ramp liquid discharging structure with a high middle part and low two sides; an air lifting cap (5) is welded at an opening position on the liquid collecting disc (6), the air lifting cap (5) comprises a top plate (1), a guide plate (2), a top plate support (3) and a side baffle (4), a synthetic gas flow channel is enclosed by the side baffle (4), the top plate (1) is welded at the top of the side baffle (4), the guide plate (2) is welded at openings at two sides of the side baffle (4), and the top plate support (3) is welded between the top plate (1) and the side baffle (4); a liquid outlet (7) is arranged at the lower part of the two sides of the liquid collecting disc (6), and the liquid outlet (7) is connected with a liquid discharge pipe (8).
2. A novel liquid trap assembly as claimed in claim 1 wherein: the opening of the liquid collecting disc (6) is rectangular or circular.
3. A novel liquid trap assembly as claimed in claim 1 wherein: the top plate support (3) is of a plate-shaped structure.
4. A novel liquid trap assembly as claimed in claim 1 wherein: the side baffle (4) encloses the inside of the synthesized air flow channel and is additionally provided with a reinforcing rib.
5. A novel liquid trap assembly as claimed in claim 1 wherein: lateral part baffle (4) of rising cap (5) are cuboid structure or tube structure, and roof (1) at the lateral part baffle (4) top of cuboid structure is equipped with the edge of upwards turning up, and roof (1) at the lateral part baffle (4) top of tube structure is the cone structure.
6. A novel liquid trap assembly as claimed in claim 1 wherein: the section of the liquid outlet (7) is rectangular or circular.
7. A novel liquid trap assembly as claimed in claim 1 wherein: the outer walls of every two air lifting caps (5) are connected through a connecting steel pipe (10) to form lateral support.
8. A novel liquid trap assembly as claimed in claim 1 wherein: the liquid outlet (7) is provided with a grating plate and a fence.
9. A novel liquid trap assembly as claimed in claim 1 wherein: the air lifting cap (5) and the liquid collecting tray (6) are made of alloy materials.
10. A novel liquid trap assembly as claimed in claim 1 wherein: a bottom supporting beam (9) is arranged at the bottom of the liquid collecting tray (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021060730.8U CN212327648U (en) | 2020-06-09 | 2020-06-09 | Novel liquid collector device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021060730.8U CN212327648U (en) | 2020-06-09 | 2020-06-09 | Novel liquid collector device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212327648U true CN212327648U (en) | 2021-01-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021060730.8U Active CN212327648U (en) | 2020-06-09 | 2020-06-09 | Novel liquid collector device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212327648U (en) |
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2020
- 2020-06-09 CN CN202021060730.8U patent/CN212327648U/en active Active
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