CN202876642U

CN202876642U - Device for preventing siphonage of thionizer overflow pipe

Info

Publication number: CN202876642U
Application number: CN 201220565955
Authority: CN
Inventors: 李富智; 汪连环; 吴定新; 郑建新; 徐海宁; 袁永全; 王坤
Original assignee: Wuhan Iron and Steel Group Corp
Current assignee: Wuhan Iron and Steel Group Corp
Priority date: 2012-10-31
Filing date: 2012-10-31
Publication date: 2013-04-17
Anticipated expiration: 2022-10-31

Abstract

The utility model discloses a device for preventing siphonage of a thionizer overflow pipe in the field of wet-process flue gas desulfurization equipment and the device is used for solving the problem that lots of desulfurization slurry flows out because bubbles in the overflow pipe cause siphonage at present. The device comprises a thionizer body and an overflow pipe connected with the thionizer body, wherein a float bowl is mounted in the overflow pipe; the diameter of the float bowl is adapted to the inner diameter of the overflow pipe and the float bowl is capable of floating along with the liquid level of the desulfurization slurry; a guide rod is mounted at the upper part of the float bowl; the guide rod is capable of sliding up and down along a sleeve at the top of the overflow pipe; and a balancing weight is mounted on the guide rod. The device provided by the utility model is capable of preventing the bubble layer higher than the operation liquid level of a thionizer from overflowing out of the overflow pipe, thereby avoiding mass outflow of the desulfurization slurry due to siphonage of the overflow pipe; however, when the liquid level rises to the overflow height, the float bowl device can float along with the same to ensure normal overflow of the desulfurization slurry and guarantee smooth operation of the thionizer.

Description

A kind of device that prevents desulfurizing tower overflow pipe siphonage

Technical field

The utility model relates to a kind of device that prevents desulfurizing tower overflow pipe siphonage of wet process of FGD apparatus field.

Background technology

The desulfurizing tower of wet process of FGD is for preventing that liquid level is too high in the tower, overflow pipe all is housed, in the desulfurizing tower production process, spray effect, the effect of disturbance pipe disturbance and oxidation airduct air inlet oxidation because of the desulfurizing tower spraying layer, desulfurizing tower slurries liquid level can produce a large amount of foams, also can form a large amount of foams simultaneously in overflow pipe.Foam layer height can constantly increase after a large amount of formation of foam, the part foam can flow out along the overflow pipe outlet, and the overflow pipe outlet can cause overflow pipe to produce siphonage well below desulfurizing tower slurries liquid level in addition, slurries just can flow out in a large number because of the siphonage of overflow pipe, affect desulfurizing tower and normally move.

Summary of the invention

The purpose of this utility model is to overcome the prior art defective, and a kind of device that prevents desulfurizing tower overflow pipe siphonage is provided.

The technical solution of the utility model is achieved in that a kind of device that prevents desulfurizing tower overflow pipe siphonage, comprise desulfurizing tower tower body and the overflow pipe that links to each other with the desulfurizing tower tower body, it is, be equipped with floating drum in the overflow pipe, spar diameter and overflow pipe internal diameter adapt, and can float with the desulfurization slurry liquid level.

Preferably, floating drum top is equipped with guide post, and guide post can slide up and down along the sleeve pipe at overflow pipe top.

Preferably, be equipped with balancing weight on the guide post.

Preferably, guide post is screw rod, and balancing weight is bolt.

Preferably, bolt is spun on the guide post outside the sleeve pipe, and contacts the restriction floating drum with sleeve pipe in lower limit and float downward.

Preferably, the floating drum barrel diameter is slightly less than the loam cake diameter, and the loam cake diameter is less than overflow pipe internal diameter 1-2mm.

The utility model can stop the froth bed that is higher than desulfurizing tower operation liquid level to overflow from overflow pipe, avoid desulfurization slurry to flow out in a large number because of the siphonage of overflow pipe, but when liquid level rose to overflow height, device with float can float thereupon, guarantee the normal overflow of desulfurization slurry, guarantee the desulfurizing tower direct motion.

Description of drawings

Fig. 1 is the utility model structural representation.

Among the figure, the 1-balancing weight; The 2-sleeve pipe; The 3-guide post; The 4-floating drum; The 5-overflow pipe; The 6-froth bed; The 7-desulfurization slurry; 8-desulfurizing tower tower body.

The specific embodiment

Be further described below in conjunction with accompanying drawing:

As shown in Figure 1, a kind of device that prevents desulfurizing tower overflow pipe siphonage, comprise desulfurizing tower tower body 8 and the overflow pipe 5 that links to each other with desulfurizing tower tower body 8, it is, be equipped with floating drum 4 in the overflow pipe 5, floating drum 4 diameters and overflow pipe 5 internal diameters adapt, floating drum loam cake diameter is less than overflow pipe 5 internal diameter 1-2mm, floating drum 4 can float with desulfurization slurry 7 liquid levels, floating drum 4 tops are equipped with guide post 3, guide post 3 can slide up and down along the sleeve pipe 2 at overflow pipe 5 tops, plays the fluctuate effect of direction and location of control floating drum 4, is equipped with balancing weight 1 on the guide post 3, described guide post 3 is screw rod, balancing weight 1 is bolt, the weight that can control floating drum 4 by adjusting weight bolt weight on the guide post 3 and quantity, thus adapt to the buoyancy that overflow pipe 5 interior desulfurization slurries 7 produce.For preventing the slurries corrosion to the damage of this device, a whole set of device with float all adopts stainless steel to be welded.

Further, described bolt is spun on the guide post 3 outside the sleeve pipe 2, and lower limit contact with sleeve pipe 2 restriction floating drum 4 float downward, on the one hand when setting floating drum 4 and not being subjected to buoyancy initial position be lower than overflow height, the compacting foam avoids producing siphonage, on the other hand, can avoid floating drum 4 to descend to hanging down with desulfurization slurry 7 liquid levels and be stuck in overflow pipe 5 elbows.

Under the prerequisite that guarantees the stable and suitable buoyancy of floating drum 4, floating drum 4 barrel diameters are slightly less than the loam cake diameter, and the loam cake diameter is less than overflow pipe internal diameter 1-2mm, can guarantee that loam cake effectively suppresses foam, also make between cylindrical shell and the overflow pipe 5 and can stay slightly large gap, guarantee that cylindrical shell 4 is smooth and easy in overflow pipe 5 interior operations.

The buoyancy that the buoyancy that produces because of froth bed in the desulfurizing tower overflow pipe 56 produces much smaller than desulfurization slurry 7, so when the foam liquid level rises to floating drum 4 position, floating drum 4 is less because of buoyancy, can not float, but when desulfurization slurry 7 liquid levels arrived floating drum 4 place, buoyancy increased, floating drum 4 floats, overflow slurry just can flow out, and guarantees the desulfurizing tower liquid level stabilizing, and desulfurizing tower normally moves.

Claims

1. a device that prevents desulfurizing tower overflow pipe siphonage comprises desulfurizing tower tower body and the overflow pipe that links to each other with the desulfurizing tower tower body, and it is characterized in that: be equipped with floating drum in the overflow pipe, spar diameter and overflow pipe internal diameter adapt, and can float with the desulfurization slurry liquid level.

2. a kind of device that prevents desulfurizing tower overflow pipe siphonage according to claim 1, it is characterized in that: floating drum top is equipped with guide post, and guide post can slide up and down along the sleeve pipe at overflow pipe top.

3. a kind of device that prevents desulfurizing tower overflow pipe siphonage according to claim 2 is characterized in that: be equipped with balancing weight on the guide post.

4. a kind of device that prevents desulfurizing tower overflow pipe siphonage according to claim 3, it is characterized in that: guide post is screw rod, balancing weight is bolt.

5. a kind of device that prevents desulfurizing tower overflow pipe siphonage according to claim 4 is characterized in that: described bolt is spun on the guide post outside the sleeve pipe, and contacts the restriction floating drum with sleeve pipe in lower limit and float downward.

6. each described a kind of device that prevents desulfurizing tower overflow pipe siphonage according to claim 1-5, it is characterized in that: the floating drum barrel diameter is slightly less than the loam cake diameter, and the loam cake diameter is less than overflow pipe internal diameter 1-2mm.