CN220779644U - Multistage spray tower - Google Patents

Abstract

The utility model relates to a multi-stage spray tower, which comprises a tower bottom, wherein a tower body is arranged at the upper end of the tower bottom, a flow guide pipe is arranged on one side of the tower body, a plurality of branch pipes are arranged on the flow guide pipe, one part of each branch pipe is inserted into the tower body, a water outlet pipe is arranged at the lower end of the part of each branch pipe positioned in the tower body, water distributing rings are rotatably connected to the lower ends of the water outlet pipes, water outlet heads are arranged on the water distributing rings, a plurality of water outlet heads are arranged and surround the water distributing rings respectively, a fixed plate is arranged at the side end of each water outlet head, an inclined plate is arranged at the lower end of each fixed plate, a water storage cavity is formed in the tower bottom, a filter frame is arranged on each water storage cavity, and a filter screen is arranged on each filter frame.

Description

Multistage spray tower

Technical Field

The utility model relates to the technical field of waste gas treatment, in particular to a multi-stage spray tower.

Background

When the production and living activities are carried out, poisonous and harmful waste gas is inevitably generated, the waste gas pollution capability generated by some industrial activities is strong, and the surrounding air is directly polluted by discharging, so that the waste gas needs to be treated in advance, and the spray tower is also called a washing tower, can remove harmful components in the gas, is used as waste gas treatment equipment, and is commonly used for purifying the waste gas generated in the industrial production process so as to meet the requirement of emission standard.

The existing spray tower is simple in structure, when the spray tower works, rising waste gas is directly sprayed and purified through a single spray device, but the simple spray mode is limited in purification effect, waste gas purification is not thorough enough, waste gas purification quality is affected, common spray devices spray through fixed water outlet pipes, spray liquid sprays downwards from the water outlet pipes, therefore spray liquid near the water outlet pipes can be denser when spraying, the edge of the water outlet pipes can only depend on the diffusion of the spray liquid, the spray liquid amount is small, even if the spray liquid is covered by arranging a plurality of groups of water outlet pipes, spray dead zones are easy to occur among the water outlet pipes, distribution of the spray liquid is uneven, waste gas purification quality is affected, in addition, after the spray liquid finishes purifying the waste gas, pollutants in the waste gas can be taken down to the bottom of the tower together, the pollutants are collected after being discharged through corresponding structures, the spray liquid is processed through other devices, and at the moment, the spray liquid is generally in a saturated state, and direct discharge can cause resource waste.

Disclosure of utility model

(One) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a multi-stage spray tower to solve the problems of simple result and limited purifying effect of the common spray tower in the background art.

(II) technical scheme

In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a multistage spray column, includes the tower bottom, tower bottom upper end is equipped with the tower body, tower body one side is equipped with the honeycomb duct, be equipped with the branch pipe on the honeycomb duct, the branch pipe is provided with a plurality ofly to equidistant vertical arrangement, a part of branch pipe inserts in the tower body, just the branch pipe is located the part lower extreme in the tower body and is equipped with the outlet pipe, the outlet pipe lower extreme rotates to be connected and is equipped with the water knockout drum, be equipped with the water outlet head on the water knockout drum, the water outlet head is provided with a plurality of to around the water knockout drum respectively, and the water outlet head passes through water knockout drum and outlet pipe intercommunication, water outlet head side is equipped with the fixed plate, the fixed plate lower extreme is equipped with the slant board, the slant board cooperates with water outlet head spun rivers neither horizontal parallel, nor horizontal vertical, water outlet head below is equipped with solid filler, the water storage chamber has been seted up in the tower bottom, be equipped with the filter frame on the water storage chamber, be equipped with the filter screen on the filter frame.

Preferably, the solid filler comprises a Raschig ring filler layer and a garland filler layer, wherein the Raschig ring filler layer is positioned above, and the garland filler layer is positioned below, so that the variety of the fixed filler is enriched, and the solid filler is suitable for different stages.

In a further preferred embodiment, a support plate is disposed in the tower body, a guide plate is disposed below one end of the support plate, and the solid packing is disposed on the support plate to guide the exhaust gas to flow in the tower body, so that the exhaust gas is fully contacted with the spray liquid.

In a further preferred mode, the water storage tank is characterized in that a mounting groove is formed in one end of the bottom of the tower, the mounting groove is communicated with the water storage cavity, a mounting frame is arranged in the mounting groove and is in sliding fit with the mounting groove, a water through hole is formed in the mounting frame, and the filtering frame is arranged in the water through hole and is convenient for collecting and cleaning solid pollutants.

In a further preferred aspect, the inner side of the water through hole is provided with a storage groove, a fixed insert is arranged in the storage groove, a fixed slot is arranged on the filter frame, the fixed slot is matched with the fixed insert, a compression spring is arranged between the fixed insert and the inner wall of the storage groove, and a pull block is arranged at the upper end of the fixed insert, so that the filter frame is conveniently taken out for cleaning or replacement.

In a further preferred embodiment, the outer end of the mounting frame is provided with a sealing plate, the filtering frame is provided with a sealing ring, the upper end of the water through hole is provided with a sealing groove, and the sealing groove is matched with the sealing ring to ensure stable operation of the device.

In a further preferred mode, one end of the bottom of the tower is provided with a return pipe, one end of the return pipe is communicated with the water storage cavity, the other end of the return pipe is provided with a water pump, and the water pump is communicated with the guide pipe, so that the filtered spray liquid can be reused conveniently.

(III) beneficial effects

Compared with the prior art, the utility model provides a multi-stage spray tower, which has the following beneficial effects:

1. According to the utility model, a spraying space is provided by arranging the tower body, spraying liquid is provided by the flow guide pipe, a plurality of groups of branch pipes are matched with the flow guide pipe, so that the spraying liquid is divided into a plurality of groups to enter the tower body to form a multi-stage spraying structure, the spraying liquid is received by a plurality of groups of fixed fillers, the spraying liquid is filled in the fixed fillers, and the supporting plate is matched with the guide plate, so that the supporting capability is provided, and meanwhile, the flow of waste gas is guided, so that the waste gas passes through the solid fillers and fully contacts with the spraying liquid, and the purifying effect is improved.

2. Through setting up outlet pipe, water diversion ring and play water head and branch pipe cooperation, will spray the liquid blowout, and will spray the liquid and divide into stranded through water diversion ring and play water head, through fixed plate and slant board cooperation, make the slant board be located out water head front end, after spraying the liquid blowout, spray liquid and slant board contact, the slant board neither horizontal parallel nor horizontal perpendicular with the blowout direction of spraying the liquid, the slant board can increase the diffusion of spraying the liquid, and multiunit slant board receives and can make the water diversion ring rotate after the impact, thereby drive out the water bucket and rotate, make the spraying liquid blowout in the rotation, improve the diffusion effect of spraying the liquid, make the spraying liquid distribute evenly, improve the purifying effect to waste gas.

3. Through setting up the tower bottom support tower body, and accept the spray liquid after purifying waste gas through the water storage chamber, filter the waste liquid through filter frame and filter screen cooperation simultaneously, make the spray liquid after filtering get into the water storage intracavity, store the solid waste that filters out through the filter screen, separate spray liquid and absorptive waste, do not need to take out the back and handle, be convenient for use once more to spray liquid, make things convenient for the workman to operate.

Drawings

FIG. 1 is a schematic diagram of the front structure of a multi-stage spray tower according to the present utility model;

FIG. 2 is a cross-sectional view of the structure of the tower bottom and the inner part of the tower body in the utility model;

FIG. 3 is a cross-sectional view of the structure of the tower body, the water outlet head and the fixed packing in the utility model;

FIG. 4 is a schematic diagram of the structure of the bottom of the tower and the mounting frame according to the present utility model;

Fig. 5 is a cross-sectional view showing the structure of the fitting structure of the mounting frame and the filtering frame in the present utility model.

In the figure: 1. a bottom of the tower; 2. a tower body; 3. a flow guiding pipe; 4. a branch pipe; 5. a water outlet pipe; 6. a water dividing ring; 7. a water outlet head; 8. a fixing plate; 9. a diagonal plate; 10. a solid filler; 11. a water storage chamber; 12. a filter frame; 13. a filter screen; 14. a raschig ring packing layer; 15. a floral ring filler layer; 16. a support plate; 17. a guide plate; 18. a mounting groove; 19. a mounting frame; 20. a water-through port; 21. a storage groove; 22. fixing the insert block; 23. a fixed slot; 24. a compression spring; 25. pulling blocks; 26. a sealing plate; 27. a seal ring; 28. sealing grooves; 29. a return pipe; 30. and (3) a water pump.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1:

Referring to fig. 1-3, a multi-stage spray tower includes a tower bottom 1, a tower body 2 is provided at the upper end of the tower bottom 1, a flow guide pipe 3 is provided at one side of the tower body 2, a branch pipe 4 is provided on the flow guide pipe 3, a plurality of branch pipes 4 are provided and vertically arranged at equal intervals, a part of the branch pipe 4 is inserted into the tower body 2, a water outlet pipe 5 is provided at the lower end of a part of the branch pipe 4 located in the tower body 2, a water distributing ring 6 is rotatably connected at the lower end of the water outlet pipe 5, a water distributing head 7 is provided on the water distributing ring 6, a plurality of water distributing heads 7 are provided and surround the water distributing ring 6, the water distributing heads 7 are respectively communicated with the water outlet pipe 5 through the water distributing ring 6, a fixing plate 8 is provided at the side end of the water distributing head 7, a slant plate 9 is provided at the lower end of the fixing plate 8, the slant plate 9 is matched with the water distributing head 7, water sprayed by the water flow is neither horizontally parallel nor horizontally perpendicular, a solid filler 10 is provided below the water distributing head 7, a water storage cavity 11 is provided in the tower bottom 1, a filter screen 11 is provided on the water storage cavity 11, and 13 is provided on the filter frame 12.

Referring to fig. 2 and 3, in the present embodiment, the solid packing 10 includes a raschig ring packing layer 14 and a garland packing layer 15, the raschig ring packing layer 14 is located above, the garland packing layer 15 is located below, a support plate 16 is disposed in the tower body 2, a guide plate 17 is disposed below one end of the support plate 16, the solid packing 10 is disposed on the support plate 16, and when spraying, a spraying liquid enters the solid packing 10 to fill the solid packing 10, wherein a gap between the garland packing layer 15 has a higher liquid stagnation amount, so that the liquid stays for a longer time, the contact time of the waste gas and the absorption liquid is increased, and the distribution condition of the gas and the liquid in the raschig ring packing layer 14 is better, so that the inner surface is easily wetted by the liquid, the liquid dispersity is increased, the utilization rate of the inner surface of the packing is increased, and the working efficiency of the absorption liquid is enhanced.

Referring to fig. 2, 4 and 5, in this embodiment, a mounting groove 18 is formed at one end of the tower bottom 1, the mounting groove 18 is communicated with the water storage cavity 11, a mounting frame 19 is disposed in the mounting groove 18, the mounting frame 19 is slidably matched with the mounting groove 18, a water through hole 20 is formed in the mounting frame 19, the filter frame 12 is disposed in the water through hole 20, a storage groove 21 is formed in the inner side of the water through hole 20, a fixed insert 22 is disposed in the storage groove 21, a fixed insert 23 is formed in the filter frame 12, the fixed insert 23 is matched with the fixed insert 22, a compression spring 24 is disposed between the fixed insert 22 and the inner wall of the storage groove 21, a pull block 25 is disposed at the upper end of the fixed insert 22, when the filter frame 12 is mounted, the pull block 25 is pulled first, the fixed insert 22 is driven to retract into the storage groove 21, then the filter frame 12 is placed into the water through hole 20, the fixed insert 23 is aligned with the storage groove 21, then the pull block 25 is released, the fixed insert 22 is pushed to move by the compression spring 24, the front end of the fixed insert 22 is inserted into the fixed insert 23, the filter frame 12 is fixed insert 20, and then the filter frame 12 is fixed into the water through hole 12, and the filter frame 12 is mounted in the water storage cavity 12, and the filter frame 12 is aligned with the water storage cavity 11.

Referring to fig. 5, in the present embodiment, a sealing plate 26 is disposed at the outer end of the mounting frame 19, a sealing ring 27 is disposed on the filtering frame 12, a sealing groove 28 is disposed at the upper end of the water port 20, the sealing groove 28 is matched with the sealing ring 27, when the filtering frame 12 is mounted, the sealing plate 26 is matched with the sealing ring 27 to form a sealing structure, and when the sealing works, water does not flow through the filtering frame 12, the mounting frame 19 contacts with the tower bottom 1 through the sealing plate 26, so that the tightness of the device is ensured, and gas-liquid leakage is avoided.

Referring to fig. 1, in this embodiment, a return pipe 29 is disposed at one end of the tower bottom 1, one end of the return pipe 29 is communicated with the water storage cavity 11, a water pump 30 is disposed at the other end of the return pipe 29, the water pump 30 is communicated with the flow guide pipe 3, and pressure is provided by the water pump 30, so that the spray liquid in the water storage cavity 11 flows back into the flow guide pipe 3 under the guidance of the return pipe 29, and the spray liquid is convenient to reuse.

Example 2:

Referring to fig. 1-3, when the device is used, the device is connected with an external power supply and is communicated with the device for providing waste gas and spray liquid, in operation, the waste gas is introduced into the tower body 2, so that the waste gas slowly rises along the tower body 2, meanwhile, sufficient spray liquid is provided in the flow guide pipe 3, the spray liquid flows into each branch pipe 4 along the flow guide pipe 3 and then flows to the corresponding water outlet pipe 5, the spray liquid enters the water distribution ring 6 along the water outlet pipe 5 and is divided into a plurality of strands to be sprayed out of the water outlet heads 7, substances in the waste gas are absorbed by the contact of the spray liquid with the waste gas, the waste gas is purified, in addition, the inclined plate 9 is positioned in front of the water outlet heads 7 under the support of the fixed plate 8, the spray liquid is contacted with the inclined plate 9 after being sprayed out of the water outlet heads 7, the inclined plate 9 is impacted against the inclined plate 9, the sprayed water flow is neither horizontally parallel nor horizontally perpendicular, so that the spray liquid moves to the side under the reaction, the range of spraying is improved, and after the plurality of inclined plates 9 are impacted, acting force is applied to the water outlet hopper through the fixing plate 8, so that the water distribution ring 6 rotates on the water outlet pipe 5, the water distribution ring 6 drives the water outlet head 7 to rotate, the water outlet hopper rotates and sprays at the same time, the coverage of spraying liquid is greatly improved, the spraying uniformity is ensured, the spraying effect is improved, the spraying liquid can be sprayed on the solid filler 10 and enters and fills the space between the garland filler layer 15 and the Raschig ring filler layer 14, wherein the garland filler layer 15 has large void fraction, difficult blockage, large flux and small resistance, the space is provided with higher liquid retention amount, the spraying liquid can stay for a long time, thereby increasing the contact time of gas and liquid, improving the efficiency, the aperture ratio of the Raschig ring filler layer 14 is high, the gap is large, the resistance is small, and waste gas and liquid can freely pass through, the gas and liquid distribution condition in the packing layer is good, the inner surface of the packing is easy to be wetted by the liquid, no matter how the direction of the packing is, the liquid is sprayed onto the packing, some of the liquid flows along the outer wall, some of the liquid flows along the inner wall, the dispersion degree of the liquid is increased, the utilization rate of the inner surface of the packing is improved, the packing has larger passing capacity and lower pressure drop, and the mass transfer separation efficiency of the tower is also high, thereby further enhancing the working efficiency of the absorption liquid, the contact amount with waste gas is improved through the cooperation of two groups of solid packing 10 and spraying liquid, and the supporting plate 16 is matched with the guide plate 17 besides supporting the solid packing 10, so that a guide structure is formed, the waste gas can be blocked by the supporting plate when flowing upwards, needs to move left and right along the supporting plate, passes between the guide plate 17 and the inner wall of the tower body 2, the circulation time of the long waste gas in the tower body 2 is prolonged, the treatment time of the spraying liquid on the waste gas is increased, and the treatment effect is further improved.

Example 3:

Referring to fig. 1-5, in accordance with the above embodiment 2, when spraying, the spray liquid will drop with the substances in the exhaust gas after the exhaust gas is purified, leave the tower body 2, enter the tower bottom 1, when passing through the water gap, the filter screen 13 works under the support of the filter frame 12, filter the spray liquid, filter out the solid foreign matters brought by the spray liquid, make the spray liquid fall into the water storage cavity 11 through the filter screen 13, and the foreign matters purified in the exhaust gas remain in the filter frame 12, if the spray liquid can continue to be used after filtering, the water pump 30 is started, the negative pressure is provided by the water pump 30, the spray liquid in the water storage cavity 11 flows into the guide pipe 3 under the guide of the return pipe 29, so as to be convenient for reuse, and when the foreign matters in the filter frame 12 need to be cleaned for a long time, stopping the device, then taking the mounting frame 19 out of the mounting groove 18, pulling the pull block 25 to enable the pull block 25 to drive the fixed insert block 22 to move, enabling the front end of the fixed insert block 22 to withdraw from the fixed slot 23 and retract into the storage groove 21, unlocking the limitation of the filter frame 12, taking the filter frame 12 out, cleaning or replacing the filter frame 12 and the filter screen 13, then placing the filter frame 12 back into the water through hole 20, enabling the fixed slot 23 to be aligned with the storage groove 21, unlocking the limitation of the fixed insert block 22 by the pull block 25, pushing the fixed insert block 22 to move through the compression spring 24, enabling the front end of the fixed insert block 22 to be inserted into the fixed slot 23, fixing the filter frame 12 in the water through hole 20, then installing the mounting frame 19 into the mounting groove 18, enabling the filter frame 12 in the water through hole 20 to be aligned with the inside of the tower body 2 and the water storage cavity 11, enabling the filter screen 13 in the filter frame 12 to work, and when the filter frame 12 is mounted, the sealing plate 26 is matched with the sealing ring 27 to form a sealing structure, water does not flow through the filtering frame 12 during sealing operation, the mounting frame 19 is contacted with the tower bottom 1 through the sealing plate 26, the tightness of the device is ensured, and gas-liquid leakage is avoided.

In all the above mentioned solutions, in which the connection between two components can be chosen according to the actual situation, a welded, bolt-and-nut-fitted connection, a bolt-or-screw connection or other known connection means, which are not described in detail herein, where reference is made to a written fixed connection, the preferred consideration is welding, although embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that numerous variations, modifications, substitutions and alterations can be made to these embodiments without departing from the principle and spirit of the utility model, the scope of which is defined by the appended claims and their equivalents.

Claims (7)

1. The utility model provides a multistage spray column, includes tower bottom (1), tower bottom (1) upper end is equipped with tower body (2), its characterized in that: the utility model discloses a tower, including tower body (2), branch pipe (4), fixed plate (8) lower extreme are equipped with inclined plate (9), water storage chamber (11) have been seted up in tower body (1), be equipped with filter frame (12) on water storage chamber (11), filter frame (12) are last to be equipped with filter screen (13), branch pipe (3) are equipped with honeycomb duct (3) on tower body (2) one side, be equipped with branch pipe (4) on honeycomb duct (3), branch pipe (4) are provided with a plurality of to equidistant vertical arrangement, branch pipe (4) are provided with, in a part inserts tower body (2), just branch pipe (4) are located the part lower extreme of tower body (2) and are equipped with outlet pipe (5), outlet pipe (5) lower extreme rotation connection is equipped with branch water ring (6), be equipped with water outlet head (7) on branch water ring (6), water outlet head (7) are provided with a plurality of to around branch water ring (6) respectively, water outlet head (7) side end is equipped with fixed plate (8), fixed plate (8) lower extreme is equipped with inclined plate (9), water outlet head (7) below is equipped with solid filler (10), water storage chamber (11) have been seted up in tower bottom (1).

2. A multi-stage spray tower as claimed in claim 1 wherein: the solid filler (10) comprises a Raschig ring filler layer (14) and a floral ring filler layer (15), wherein the Raschig ring filler layer (14) is arranged above, and the floral ring filler layer (15) is arranged below.

3. A multi-stage spray tower as claimed in claim 2 wherein: the tower body (2) is internally provided with a supporting plate (16), one end of the supporting plate (16) is provided with a guide plate (17) below, and the solid packing (10) is arranged on the supporting plate (16).

4. A multi-stage spray tower as claimed in claim 1 wherein: the water storage tower is characterized in that a mounting groove (18) is formed in one end of the tower bottom (1), the mounting groove (18) is communicated with the water storage cavity (11), a mounting frame (19) is arranged in the mounting groove (18), the mounting frame (19) is in sliding fit with the mounting groove (18), a water through hole (20) is formed in the mounting frame (19), and the filtering frame (12) is arranged in the water through hole (20).

5. The multi-stage spray tower of claim 4, wherein: the utility model discloses a filter, including filter frame (12), fixed slot (23) and fixed insert (22), fixed insert (22) and accomodate and be equipped with compression spring (24) between groove (21) inner wall, fixed insert (22) upper end is equipped with draws piece (25), accomodate groove (21) inboard having offered of mouth of a river (20), accomodate groove (21), be equipped with fixed insert (22) in groove (21), offered fixed slot (23) on filter frame (12).

6. The multi-stage spray tower of claim 5, wherein: the sealing device is characterized in that a sealing plate (26) is arranged at the outer end of the mounting frame (19), a sealing ring (27) is arranged on the filtering frame (12), a sealing groove (28) is formed in the upper end of the water through hole (20), and the sealing groove (28) is matched with the sealing ring (27).

7. A multi-stage spray tower as claimed in claim 1 wherein: one end of the tower bottom (1) is provided with a return pipe (29), one end of the return pipe (29) is communicated with the water storage cavity (11), the other end of the return pipe is provided with a water pump (30), and the water pump (30) is communicated with the guide pipe (3).