CN213176902U

CN213176902U - Water seal device of desulfurization absorption tower

Info

Publication number: CN213176902U
Application number: CN202021942049.6U
Authority: CN
Inventors: 鲁文彬; 陈安成; 程娟; 汪振祥
Original assignee: Ma'anshan Minhang Environmental Protection Technology Co ltd
Current assignee: Ma'anshan Minhang Environmental Protection Technology Co ltd
Priority date: 2020-09-08
Filing date: 2020-09-08
Publication date: 2021-05-11
Anticipated expiration: 2030-09-08

Abstract

The utility model relates to a desulfurization technical field just discloses a water seal arrangement of desulfurization absorption tower, including overflow choke, the lateral wall fixedly connected with water seal pipe on overflow choke right side, pipe wall fixedly connected with electric telescopic handle of water seal pipe downside, electric telescopic handle's upper end is located the water seal pipe, electric telescopic handle's upper end fixedly connected with overflow baffle, the inner wall fixedly connected with sealing cylinder of water seal pipe, outside the overflow baffle was located to sealing cylinder movable sleeve, the upper end of overflow baffle is connected with the lifter, the slip hole has been seted up to the pipe wall of water seal pipe upside, the lifter runs through the pipe wall of water seal pipe upside through the slip hole, the upper end fixedly connected with triangle indicator block of lifter. The utility model effectively improves the accuracy of height adjustment of the overflow baffle; the problem that the absorption tower is blocked because impurities in the circulating slurry enter the desulfurization absorption tower is solved; and the problem of backflow of circulating slurry in the backwater ditch is also avoided.

Description

Water seal device of desulfurization absorption tower

Technical Field

The utility model relates to a desulfurization technical field especially relates to a water seal arrangement of desulfurization absorption tower.

Background

The tail gas generated by power generation of the thermal power plant contains a lot of sulfur-containing gas, so the tail gas can not be directly discharged and needs to be desulfurized.

The patent with the retrieval Chinese patent authorization number of CN207221667U discloses a novel water seal overflow device of an absorption tower, which comprises an overflow weir, wherein a water inlet at one end of the overflow weir is connected with a circulating slurry outlet at the bottom layer of the absorption tower, and a water outlet is arranged at the other end of the overflow weir; and an overflow baffle is arranged in the overflow weir, the overflow baffle is vertically arranged along the direction vertical to the overflow direction of the circulating slurry, and the overflow baffle is positioned between the circulating slurry outlet and the water outlet. The novel water seal overflow device of the absorption tower in the patent has the following defects:

firstly, when the height of the overflow baffle is adjusted, the height position of the overflow baffle cannot be observed in real time, so that the accuracy of the height adjustment of the overflow baffle is poor, and the adjustment effect of the overflow baffle is influenced;

secondly, when the circulating slurry of the device circulates, impurities are gradually mixed in the middle of the slurry, and the impurities accumulate for a long time to cause the blockage of the device and influence the normal operation of the device.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the long-term accumulation of impurities in the lower and circulation thick liquid of overflow baffle altitude mixture control's accuracy among the prior art can lead to the device to block up, and the water seal arrangement of a desulfurization absorption tower that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a water seal device of a desulfurization absorption tower comprises an overflow choke, wherein a water seal pipe is fixedly connected with the side wall on the right side of the overflow choke, an electric telescopic rod is fixedly connected with the pipe wall on the lower side of the water seal pipe, the upper end of the electric telescopic rod is positioned in the water seal pipe, an overflow baffle is fixedly connected with the upper end of the electric telescopic rod, a sealing cylinder is fixedly connected with the inner wall of the water seal pipe, the sealing cylinder is movably sleeved outside the overflow baffle, the upper end of the overflow baffle is connected with a lifting rod, a sliding hole is formed in the pipe wall on the upper side of the water seal pipe, the lifting rod penetrates through the pipe wall on the upper side of the water seal pipe through the sliding hole, a triangular indication block is fixedly connected with the upper end of the lifting rod, a graduated scale is fixedly connected with the outer wall on the upper side of the water seal pipe, a sleeve, two equal fixedly connected with fixed axle in the mounting hole, two equal movable sleeve is equipped with spacing round outside the fixed axle, spacing round stretches out the mounting hole and closely laminates with the pole wall of lifter, the inner wall connection of water seal pipe upside has sealing mechanism, the fixed intercommunication of right-hand member of water seal pipe has the honeycomb duct, the lower extreme of honeycomb duct is connected with filtering mechanism, filtering mechanism's lower extreme intercommunication drain pipe, the lower extreme intercommunication of drain pipe has the ditch of returning water.

Preferably, the filtering mechanism comprises a filtering box fixedly communicated with the lower end of the flow guide pipe, the side wall of the lower side of the filtering box is communicated with the liquid outlet pipe, the side wall of the right side of the filtering box is provided with a jack, a filtering screen plate is movably inserted in the jack, the vertical side wall of the filtering screen plate is tightly attached to the vertical side wall of the filtering box, the side wall of the right side of the filtering screen plate is fixedly connected with a sealing plate, the sealing plate is located outside the filtering box, and the sealing plate is fixedly connected with the outer wall of the filtering box through two.

Preferably, the inner wall fixedly connected with otter board of drain pipe, the removal hole has been seted up to the lateral wall of otter board upside, the slide bar has been cup jointed to the downthehole activity of removal, the upper end fixedly connected with limiting plate of slide bar, be provided with same root reset spring between limiting plate and the otter board, outside the slide bar was located to the reset spring movable sleeve, the lower extreme fixedly connected with toper sealing plug of slide bar.

Preferably, the sealing mechanism comprises a conical sealing ring movably sleeved outside the lifting rod, the conical sealing ring is movably inserted in the sliding hole, a ring plate is fixedly connected to the side wall of the lower side of the conical sealing ring, the ring plate is movably sleeved outside the lifting rod, L-shaped mounting plates are fixedly connected to the outer walls of the left side and the right side of the ring plate, and the L-shaped mounting plates are fixedly connected with the inner wall of the water seal pipe through screws.

Preferably, the upper end fixedly connected with internal thread pipe of overflow baffle, the lower extreme fixedly connected with threaded rod of lifter, the threaded rod screw thread cup joints in internal thread pipe.

Preferably, the side wall of the left side of the sealing plate is fixedly connected with a sealing cushion plate, and the sealing cushion plate is positioned in the jack.

Preferably, the inner wall of the left side of the filter box is fixedly connected with a positioning block, and the filter screen plate is positioned between the two positioning blocks.

Preferably, the side wall of the right side of the sealing plate is fixedly connected with a T-shaped pull rod.

Preferably, the outer wall of the lower side of the water seal pipe is fixedly connected with a U-shaped support frame, and the U-shaped support frame is covered outside the electric telescopic rod.

Compared with the prior art, the utility model provides a water seal arrangement of desulfurization absorption tower possesses following beneficial effect:

1. this water seal arrangement of desulfurization absorption tower, overflow choke through setting up, the water seal pipe, electric telescopic handle, overflow baffle, a sealed section of thick bamboo, the lifter, the sliding hole, the triangle instructs the piece, the scale, the sleeve, the mounting hole, the fixed axle, spacing wheel, the honeycomb duct, drain pipe and return water ditch, during the use, control electric telescopic handle is flexible to adjust overflow baffle's height, it removes to drive the lifter when overflow baffle removes, it removes to drive the lifter through two spacing wheel pairs lifter spacing, make the lifter at vertical upwards or downstream, the lifter drives the triangle and instructs the piece removal, instruct the piece to confirm the distance that the triangle instructed the piece to remove through triangle and scale mutual contrast, thereby judge the change numerical value of overflow baffle height, the effectual accuracy that improves overflow baffle altitude mixture control.

2. According to the water seal device of the desulfurization absorption tower, through the arranged filter box, the jack, the filter screen plate, the sealing plate and the bolt, when the water seal device is used, when circulating slurry enters the filter box through the flow guide pipe, the filter screen plate can filter impurities in the circulating slurry, so that the impurities in the circulating slurry are left above the filter screen plate, and the absorption tower is prevented from being blocked due to the fact that the impurities in the circulating slurry enter the desulfurization absorption tower; when impurity needs to be cleaned, the two bolts are unscrewed, the sealing plate is pulled, the filter screen plate can be pulled out from the filter box, and the filter screen plate is convenient to clean.

3. This water seal arrangement of desulfurization absorption tower, otter board through setting up, the removal hole, the slide bar, the limiting plate, reset spring and toper sealing plug, during the use, when circulation thick liquid gets into the drain pipe from the rose box, under the effect of circulation thick liquid dead weight, toper sealing plug downstream, thereby relieve the sealed of toper sealing plug to the drain pipe, make circulation thick liquid can normal cycle flow, when circulation thick liquid stops to circulate, under the effect of reset spring resilience force, reset spring promotes limiting plate rebound, the limiting plate drives the slide bar rebound, the slide bar drives toper sealing plug rebound, the toper sealing plug carries out the shutoff to the drain pipe, thereby avoid the circulation thick liquid refluence in the return water ditch.

The part which is not involved in the device is the same as the prior art or can be realized by adopting the prior art, the utility model effectively improves the accuracy of the height adjustment of the overflow baffle; the problem that the absorption tower is blocked because impurities in the circulating slurry enter the desulfurization absorption tower is solved; and the problem of backflow of circulating slurry in the backwater ditch is also avoided.

Drawings

Fig. 1 is a schematic structural diagram of a water seal device of a desulfurization absorption tower provided by the present invention;

FIG. 2 is a schematic structural view of portion A of FIG. 1;

FIG. 3 is a schematic structural diagram of portion B of FIG. 1;

FIG. 4 is a schematic structural view of portion C of FIG. 1;

fig. 5 is a schematic structural view of a portion D in fig. 1.

In the figure: 1 overflow choke, 2 water seal pipes, 3 electric telescopic rods, 4 overflow baffle plates, 5 sealing cylinders, 6 lifting rods, 7 sliding holes, 8 triangular indication blocks, 9 graduated scales, 10 sleeves, 11 mounting holes, 12 fixing shafts, 13 limiting wheels, 14 guide pipes, 15 liquid outlet pipes, 16 return water channels, 17 filter boxes, 18 jacks, 19 filter screen plates, 20 sealing plates, 21 bolts, 22 screen plates, 23 moving holes, 24 sliding rods, 25 limiting plates, 26 return springs, 27 conical sealing plugs, 28 conical sealing rings, 29 ring plates, 30L-shaped mounting plates, 31 screws, 32 internal threaded pipes, 33 threaded rods, 34 sealing cushion plates, 35 positioning blocks, 36T-shaped pull rods and 37U-shaped supporting frames.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-5, a water seal device of a desulfurization absorption tower comprises an overflow choke 1, a water seal pipe 2 is fixedly connected to the side wall on the right side of the overflow choke 1, an electric telescopic rod 3 is fixedly connected to the pipe wall on the lower side of the water seal pipe 2, the upper end of the electric telescopic rod 3 is positioned in the water seal pipe 2, an overflow baffle 4 is fixedly connected to the upper end of the electric telescopic rod 3, a sealing cylinder 5 is fixedly connected to the inner wall of the water seal pipe 2, the sealing cylinder 5 is movably sleeved outside the overflow baffle 4, a lifting rod 6 is connected to the upper end of the overflow baffle 4, a sliding hole 7 is formed in the pipe wall on the upper side of the water seal pipe 2, the lifting rod 6 penetrates through the pipe wall on the upper side of the water seal pipe 2 through the sliding hole 7, a triangular indication block 8 is fixedly connected to the upper end of the lifting rod 6, a scale 9 is fixedly connected to the outer wall on the upper side of, the two mounting holes 11 are internally and fixedly connected with fixed shafts 12, the two fixed shafts 12 are movably sleeved with limit wheels 13, the limit wheels 13 extend out of the mounting holes 11 and are tightly attached to the rod wall of the lifting rod 6, the inner wall of the upper side of the water sealing pipe 2 is connected with a sealing mechanism, the right end of the water sealing pipe 2 is fixedly communicated with a flow guide pipe 14, the lower end of the flow guide pipe 14 is connected with a filtering mechanism, the lower end of the filtering mechanism is communicated with a liquid outlet pipe 15, the lower end of the liquid outlet pipe 15 is communicated with a water return ditch 16, when in use, the electric telescopic rod 3 is controlled to stretch to adjust the height of the overflow baffle 4, the lifting rod 6 is driven to move when the overflow baffle 4 moves, the lifting rod 6 is limited by the two limit wheels 13, the lifting rod 6 vertically moves upwards or downwards, the lifting rod 6 drives the triangular indication block 8 to move, and the moving distance of the triangular indication block 8, therefore, the change numerical value of the height of the overflow baffle 4 is judged, and the accuracy of height adjustment of the overflow baffle 4 is effectively improved.

The filtering mechanism comprises a filtering box 17 fixedly communicated with the lower end of the draft tube 14, the side wall of the lower side of the filtering box 17 is communicated with the liquid outlet tube 15, the side wall of the right side of the filtering box 17 is provided with a jack 18, a filtering screen plate 19 is movably inserted in the jack 18, the vertical side wall of the filtering screen plate 19 is tightly attached to the vertical side wall of the filtering box 17, the side wall of the right side of the filtering screen plate 19 is fixedly connected with a sealing plate 20, the sealing plate 20 is positioned outside the filtering box 17, and the sealing plate 20 is fixedly connected with the outer wall of the filtering box 17 through two bolts 21; when impurities need to be cleaned, the two bolts 21 are unscrewed, and the sealing plate 20 is pulled, so that the filter screen plate 19 can be pulled out from the filter box 17, and the filter screen plate 19 is convenient to clean.

The inner wall of the liquid outlet pipe 15 is fixedly connected with a screen plate 22, the side wall of the upper side of the screen plate 22 is provided with a moving hole 23, the moving hole 23 is movably sleeved with a sliding rod 24, the upper end of the sliding rod 24 is fixedly connected with a limit plate 25, a same reset spring 26 is arranged between the limit plate 25 and the screen plate 22, the reset spring 26 is movably sleeved outside the sliding rod 24, the lower end of the sliding rod 24 is fixedly connected with a conical sealing plug 27, when the circulating slurry enters the liquid outlet pipe 15 from the filter box 17 in use, the conical sealing plug 27 moves downwards under the self-weight of the circulating slurry, so that the sealing of the conical sealing plug 27 on the liquid outlet pipe 15 is released, the circulating slurry can flow normally in a circulating manner, when the circulating slurry stops circulating, under the resilience force of the reset spring 26, the reset spring 26 pushes the limit plate 25 to move upwards, the limit plate 25 drives the sliding rod 24 to move, the conical sealing plug 27 seals the liquid outlet pipe 15, thereby preventing the circulating slurry in the backwater ditch 16 from flowing backwards.

Sealing mechanism locates the outer taper seal 28 of lifter 6 including the movable sleeve, taper seal 28 activity is pegged graft in sliding hole 7, the lateral wall fixedly connected with collar plate 29 of taper seal 28 downside, outside lifter 6 was located to collar plate 29 movable sleeve, the equal fixedly connected with L type mounting panel 30 of outer wall of both sides about collar plate 29, L type mounting panel 30 passes through the inner wall fixed connection of screw 31 with water seal pipe 2, sealing mechanism can seal sliding hole 7, avoid circulating the thick liquid to leak from sliding hole 7.

The upper end fixedly connected with internal thread pipe 32 of overflow baffle 4, the lower extreme fixedly connected with threaded rod 33 of lifter 6, threaded rod 33 screw sleeve joint in internal thread pipe 32, be convenient for to lifter 6 install and dismantle, improved the convenience of equipment.

The left side wall of the sealing plate 20 is fixedly connected with the sealing base plate 34, the sealing base plate 34 is located in the insertion hole 18, and the sealing base plate 34 can seal the connection position of the sealing plate 20 and the filter box 17, so that the sealing effect is improved.

The inner wall of the left side of the filter box 17 is fixedly connected with the positioning blocks 35, the filter screen plate 19 is located between the two positioning blocks 35, the positioning blocks 35 can position the filter screen plate 19 and can also limit the filter screen plate 19, the filter screen plate 19 is prevented from inclining, and the convenience in mounting the filter screen plate 19 is improved.

The T-shaped pull rod 36 is fixedly connected to the side wall on the right side of the sealing plate 20, and the sealing plate 20 can be driven to move by pulling the T-shaped pull rod 26, so that the filter screen plate 19 can be conveniently taken out of the filter box 17, and the convenience in operation is improved.

Outer wall fixedly connected with U type support frame 37 of water seal pipe 2 downside, outside electric telescopic handle 3 was located to U type support frame 37 cover, U type support frame 37 can support electric telescopic handle 3, has improved electric telescopic handle 3's stability.

In the utility model, when in use, the electric telescopic rod 3 is controlled to stretch and contract to adjust the height of the overflow baffle 4, the lifting rod 6 is driven to move when the overflow baffle 4 moves, the lifting rod 6 is limited by the two limiting wheels 13, so that the lifting rod 6 vertically moves upwards or downwards, the lifting rod 6 drives the triangular indication block 8 to move, and the distance of the movement of the triangular indication block 8 is determined by comparing the triangular indication block 8 with the graduated scale 9, thereby judging the change value of the height of the overflow baffle 4 and effectively improving the accuracy of the height adjustment of the overflow baffle 4; when the device is used, when the circulating slurry enters the filter box 17 through the guide pipe 14, the filter screen plate 19 can filter impurities in the circulating slurry, so that the impurities in the circulating slurry are left above the filter screen plate 19, and the phenomenon that the absorption tower is blocked because the impurities in the circulating slurry enter the desulfurization absorption tower is avoided; when impurities need to be cleaned, the two bolts 21 are unscrewed, and the sealing plate 20 is pulled, so that the filter screen plate 19 can be pulled out of the filter box 17, and the filter screen plate 19 is convenient to clean; during the use, when circulation thick liquid gets into drain pipe 15 from rose box 17, under the effect of circulation thick liquid dead weight, toper sealing plug 27 downstream, thereby relieve toper sealing plug 27 sealed to drain pipe 15, make circulation thick liquid can normal cycle flow, when circulation thick liquid stops the circulation, under the effect of reset spring 26 resilience force, reset spring 26 promotes limiting plate 25 and upwards removes, limiting plate 25 drives slide bar 24 rebound, slide bar 24 drives toper sealing plug 27 rebound, toper sealing plug 27 blocks drain pipe 15, thereby avoid the circulation thick liquid refluence in return water ditch 16.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The water seal device of the desulfurization absorption tower comprises an overflow choke (1) and is characterized in that a water seal pipe (2) is fixedly connected to the side wall on the right side of the overflow choke (1), an electric telescopic rod (3) is fixedly connected to the pipe wall on the lower side of the water seal pipe (2), the upper end of the electric telescopic rod (3) is positioned in the water seal pipe (2), an overflow baffle (4) is fixedly connected to the upper end of the electric telescopic rod (3), a sealing barrel (5) is fixedly connected to the inner wall of the water seal pipe (2), the sealing barrel (5) is movably sleeved outside the overflow baffle (4), a lifting rod (6) is connected to the upper end of the overflow baffle (4), a sliding hole (7) is formed in the pipe wall on the upper side of the water seal pipe (2), the lifting rod (6) penetrates through the pipe wall on the upper side of the water seal pipe (2) through the sliding hole (7), and a triangular indication block (8) is fixedly connected to the upper, the outer wall of the upper side of the water seal pipe (2) is fixedly connected with a graduated scale (9), the outer wall of the upper side of the water seal pipe (2) is fixedly connected with a sleeve (10), two mounting holes (11) are symmetrically formed in the inner wall of the sleeve (10), fixed shafts (12) are fixedly connected in the two mounting holes (11), limiting wheels (13) are movably sleeved outside the two fixed shafts (12), the limiting wheel (13) extends out of the mounting hole (11) and is tightly attached to the rod wall of the lifting rod (6), the inner wall of the upper side of the water seal pipe (2) is connected with a sealing mechanism, the right end of the water seal pipe (2) is fixedly communicated with a guide pipe (14), the lower extreme of honeycomb duct (14) is connected with filtering mechanism, filtering mechanism's lower extreme intercommunication drain pipe (15), the lower extreme intercommunication of drain pipe (15) has return water ditch (16).

2. The water seal device of the desulfurization absorption tower as recited in claim 1, wherein the filtering mechanism comprises a filtering box (17) fixedly communicated with the lower end of the draft tube (14), the side wall of the lower side of the filtering box (17) is communicated with the liquid outlet tube (15), the side wall of the right side of the filtering box (17) is provided with a jack (18), a filtering screen plate (19) is movably inserted into the jack (18), the vertical side wall of the filtering screen plate (19) is tightly attached to the vertical side wall of the filtering box (17), the side wall of the right side of the filtering screen plate (19) is fixedly connected with a sealing plate (20), the sealing plate (20) is located outside the filtering box (17), and the sealing plate (20) is fixedly connected with the outer wall of the filtering box (17) through two bolts (21).

3. The water seal device of the desulfurization absorption tower according to claim 1, wherein the inner wall of the liquid outlet pipe (15) is fixedly connected with a screen plate (22), the side wall of the upper side of the screen plate (22) is provided with a moving hole (23), a sliding rod (24) is movably sleeved in the moving hole (23), the upper end of the sliding rod (24) is fixedly connected with a limiting plate (25), a same reset spring (26) is arranged between the limiting plate (25) and the screen plate (22), the reset spring (26) is movably sleeved outside the sliding rod (24), and the lower end of the sliding rod (24) is fixedly connected with a conical sealing plug (27).

4. The water seal device of the desulfurization absorption tower according to claim 1, wherein the sealing mechanism comprises a conical sealing ring (28) movably sleeved outside the lifting rod (6), the conical sealing ring (28) is movably inserted into the sliding hole (7), a ring plate (29) is fixedly connected to the side wall of the lower side of the conical sealing ring (28), the ring plate (29) is movably sleeved outside the lifting rod (6), L-shaped mounting plates (30) are fixedly connected to the outer walls of the left side and the right side of the ring plate (29), and the L-shaped mounting plates (30) are fixedly connected to the inner wall of the water seal pipe (2) through screws (31).

5. The water seal device of the desulfurization absorption tower according to claim 1, wherein the upper end of the overflow baffle (4) is fixedly connected with an internal threaded pipe (32), the lower end of the lifting rod (6) is fixedly connected with a threaded rod (33), and the threaded rod (33) is in threaded sleeve connection with the internal threaded pipe (32).

6. The water seal device of the desulfurization absorption tower according to claim 2, wherein the side wall of the left side of the sealing plate (20) is fixedly connected with a sealing pad plate (34), and the sealing pad plate (34) is positioned in the insertion hole (18).

7. The water seal device of the desulfurization absorption tower according to claim 2, wherein the inner wall of the left side of the filter box (17) is fixedly connected with a positioning block (35), and the filter screen plate (19) is positioned between the two positioning blocks (35).

8. The water seal device of the desulfurization absorption tower according to claim 2, wherein a T-shaped pull rod (36) is fixedly connected to the side wall on the right side of the sealing plate (20).

9. The water seal device of the desulfurization absorption tower according to claim 1, wherein a U-shaped support frame (37) is fixedly connected to the outer wall of the lower side of the water seal pipe (2), and the U-shaped support frame (37) is covered outside the electric telescopic rod (3).