Waste gas spray tower in production of polymeric ferric sulfate

Abstract

The invention discloses a waste gas spray tower in polyferric sulfate production, which comprises a tower body, the front side of the tower body is fixedly connected with a gas inlet pipe, the upper side of the tower body is fixedly connected with a gas outlet pipe, the left side of the tower body is fixedly connected with an observation window, the right side of the tower body is fixedly connected with a water pump, and the inner side of the tower body is provided with a spray unit. The spraying unit comprises a first fixing ring, the first fixing ring is fixedly connected to the inner side of the tower body, a guide groove is formed in the lower side of the first fixing ring, and a guide block is slidably connected to the inner side of the guide groove. According to the waste gas spray tower in the production of the polymeric ferric sulfate, through the arrangement of a first fixing ring, a guide groove, a guide block, a first annular pipe, a connecting pipe, a first spray head, a second spray head, a treatment barrel, a dispersion plate and dispersion holes, rotation of the annular pipe, the connecting pipe and the dispersion plate is conveniently controlled, introduced waste gas is dispersed, the waste gas is distributed more uniformly, and the waste gas treatment effect is improved.

Description

Technical Field

[0001] The invention relates to the field of waste gas spray towers, in particular to a waste gas spray tower in the production of polyferric sulfate. Background Art

[0002] Polyferric sulfate is a light yellow amorphous powdery solid that is easily soluble in water. Its 10% aqueous solution is a reddish brown transparent solution and is hygroscopic. As a highly efficient flocculant, polyferric sulfate performs well in the purification of drinking water, industrial water, various industrial wastewater, urban sewage and sludge dehydration.

[0003] Waste gas is generated during the production of polyferric sulfate, mainly including nitric oxide (NO) and nitrogen dioxide (NO 2 ), etc. These gases are not only harmful to the environment, but also contain toxic nitrogen oxides, such as NOx, which react with water vapor in the air to produce nitric acid and nitrous acid, which in turn form acid rain and photochemical smog.

[0004] When the generated waste gas is treated, a spray tower is needed to treat the waste gas. The spray tower sprays the treatment liquid to contact the waste gas so that the waste gas is treated. The waste gas directly enters the spray tower. The waste gas is relatively concentrated, which makes the waste gas unevenly distributed. It will cause the waste gas in some areas to fail to fully contact with the treatment liquid, thereby affecting the removal efficiency of pollutants in the waste gas. Summary of the invention

[0005] In view of the deficiencies of the prior art, the present invention provides a waste gas spray tower for the production of polyferric sulfate, which solves the problem that the waste gas is introduced centrally, resulting in uneven waste gas distribution and reduced removal efficiency.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: A waste gas spray tower in the production of polyferric sulfate, comprising a tower body, an air inlet pipe is fixedly connected to the front side of the tower body, an air outlet pipe is fixedly connected to the upper side of the tower body, an observation window is fixedly connected to the left side of the tower body, a water pump is fixedly connected to the right side of the tower body, and a spray unit is arranged inside the tower body; The spray unit comprises a fixing ring 1, which is fixedly connected to the inner side of the tower body, a guide groove is provided on the lower side of the fixing ring 1, a guide block is slidably connected to the inner side of the guide groove, a fixing rod is fixedly connected to the lower side of the guide block, an annular tube 1 is fixedly connected to the lower end of the fixing rod, a plurality of spray heads 1 are fixedly connected to the lower side of the annular tube 1, a plurality of connecting tubes are fixedly connected to the outer side of the annular tube 1, a spray head 2 is fixedly connected to the lower side of the plurality of connecting tubes, a conveying cylinder is fixedly connected to the outer end of the plurality of connecting tubes, and the conveying cylinder is fixedly connected to the outer end of the plurality of connecting tubes. A control tube is fixedly connected to the upper side of the delivery cylinder, a rotating tube is rotatably connected to the upper side of the control tube, a delivery tube is fixedly connected between the rotating tube and the water pump, a rotating rod is fixedly connected to the lower side of the delivery cylinder, a treatment cylinder is fixedly connected to the inner side of the tower body and below the fixing ring 1, a connecting rod is rotatably connected to the inner side of the treatment cylinder, a roller is fixedly connected to the outer side of the connecting rod, a dispersion plate is fixedly connected to the outer side of the roller, the connecting rod is fixedly connected to the rotating rod, the lower side of the treatment cylinder is open, and a plurality of dispersion holes are provided on the upper side of the treatment cylinder.

[0007] Preferably, an L-shaped plate is fixedly connected to the upper side of the fixing ring, a motor is fixedly connected to the upper side of the L-shaped plate, a rotating shaft is rotatably connected to the lower side of the L-shaped plate, a large gear is fixedly connected to the lower end of the rotating shaft, and a small gear meshing with the large gear is fixedly connected to the outer side of the control tube.

[0008] Preferably, a filter plate is fixedly connected to the lower side of the treatment cylinder.

[0009] Preferably, the outer sides of the upper and lower ends of the rotating rod are slidably connected with a moving cylinder, the outer side of the moving cylinder is fixedly connected with a plurality of dispersion pipes, the moving cylinder is fixedly connected with a mounting block on one side close to the middle of the rotating rod, the outer side of the mounting block is fixedly connected with a rotating block 1, the outer sides of the rotating block 1 on the upper and lower sides are rotatably connected with a control plate, the outer side of the rotating rod is fixedly connected with a telescopic rod, the outer end of the telescopic rod is fixedly connected with a control block, one side of the control block is fixedly connected with a rotating block 2, the rotating block 2 is rotatably connected to the control plate, the other side of the control block is fixedly connected with a control rod, the inner side of the tower body and located between the processing cylinder and the fixed ring 1 is fixedly connected with a fixing ring 2, the inner side of the fixing ring 2 is fixedly connected with a plurality of resistance blocks, and a spring is fixedly connected between the control block and the rotating rod.

[0010] Preferably, an arc-shaped block is provided at the outer end of the control rod, and the control rod abuts against the abutment block.

[0011] Preferably, the outer sides of the plurality of dispersion pipes are fixedly connected with branch pipes, the outer sides of the branch pipes are fixedly connected with annular pipe 2, a connecting hose is fixedly connected between the dispersion pipes on the upper and lower sides, a mounting pipe is fixedly connected between the upper annular pipe 2 and the conveying cylinder, and the lower sides of the plurality of dispersion pipes are fixedly connected with spray heads 3.

[0012] Preferably, the guide groove is arranged in an annular structure.

[0013] Preferably, the conveying cylinder is a hollow structure.

[0014] Beneficial Effects The present invention provides a waste gas spray tower in the production of polyferric sulfate. Compared with the prior art, it has the following beneficial effects: (1) The waste gas spray tower in the production of polyferric sulfate is provided with a fixing ring 1, a guide groove, a guide block, an annular pipe 1, a connecting pipe, a spray head 1, a spray head 2, a treatment tube, a dispersion plate and a dispersion hole, so that the rotation of the annular pipe, the connecting pipe and the dispersion plate can be easily controlled, so that the introduced waste gas is dispersed, the waste gas distribution is more uniform, and the waste gas treatment effect is improved.

[0015] (2) The waste gas spray tower in the production of polyferric sulfate is provided with a rotating rod, a moving cylinder, a dispersion pipe, a control panel, a control block, a telescopic rod, a control rod and a stop block. When the waste is sprayed, the multiple dispersion pipes are controlled to rotate and shake up and down repeatedly, so that the waste gas is dispersed more evenly and the waste gas treatment is convenient.

[0016] (3) The waste gas spray tower in the production of polyferric sulfate is provided with a dispersion pipe, a spray head three, a ring pipe two, a branch pipe and a mounting pipe, so that when the dispersion pipe rotates, the spray head three sprays the treatment liquid, so that the sprayed treatment liquid is more evenly dispersed, the contact area between the waste gas and the treatment liquid is increased, and the waste gas treatment effect is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is the overall three-dimensional structure diagram of the present invention; Figure 2 It is a cross-sectional three-dimensional structural diagram of the present invention; Figure 3 It is a three-dimensional structural diagram of the spray unit in the present invention; Figure 4 It is a three-dimensional structural diagram of the processing cylinder in the present invention; Figure 5 It is a bottom-up stereoscopic structural diagram of the spray unit in the present invention; Figure 6 for Figure 5 The enlarged view of point A in the middle; Figure 7 It is a three-dimensional structural diagram of the spray unit in the present invention without the treatment cylinder; Figure 8 for Figure 7 The enlarged view of point B in the middle; Fig. 9 It is a partial three-dimensional structural diagram of the spray unit in the present invention.

[0018] In the figure: 1, tower body; 2, observation window; 3, air inlet pipe; 4, air outlet pipe; 5, water pump; 6, delivery pipe; 7, spray unit; 701, fixing ring 1; 702, L-shaped plate; 703, motor; 704, rotating shaft; 705, large gear; 706, rotating pipe; 707, treatment cylinder; 708, dispersion hole; 709, guide groove; 710, guide block; 711, fixing rod; 712, annular pipe 1; 713, spray head 1; 714, connecting pipe; 715, spray head 2; 716, delivery cylinder; 717, control pipe; 7 18. Pinion; 719. Rotating rod; 720. Connecting rod; 721. Rotating roller; 722. Dispersing plate; 723. Fixed ring 2; 724. Filter plate; 725. Moving cylinder; 726. Dispersing pipe; 727. Sprinkler head 3; 728. Annular pipe 2; 729. Branch pipe; 730. Mounting block; 731. Rotating block 1; 732. Control board; 733. Rotating block 2; 734. Control block; 735. Telescopic rod; 736. Spring; 737. Control rod; 738. Connecting hose; 739. Mounting pipe; 740. Stop block. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] Embodiment 1: See also Figure 1 - Fig. 9 The present invention provides a technical solution: a waste gas spray tower in the production of polyferric sulfate, comprising a tower body 1, an air inlet pipe 3 is fixedly connected to the front side of the tower body 1, an air outlet pipe 4 is fixedly connected to the upper side of the tower body 1, an observation window 2 is fixedly connected to the left side of the tower body 1, a water pump 5 is fixedly connected to the right side of the tower body 1, and a spray unit 7 is arranged on the inner side of the tower body 1, wherein the observation window 2 is convenient for observing the internal situation of the tower body 1, the water pump 5 is connected to an external container for holding a treatment liquid, and it is convenient to pass the treatment liquid into the spray unit 7 for spraying, the waste gas generated in the production process of polyferric sulfate enters the tower body 1 through the air inlet pipe 3, and the treatment liquid is sprayed out by the spray unit 7 to treat the waste gas, and the treated waste gas is discharged through the air outlet pipe 4.

[0021] The spray unit 7 includes a fixing ring 701, which is fixedly connected to the inner side of the tower body 1. A guide groove 709 is provided on the lower side of the fixing ring 701. A guide block 710 is slidably connected to the inner side of the guide groove 709. A fixing rod 711 is fixedly connected to the lower side of the guide block 710. The lower end of the fixing rod 711 is fixedly connected to an annular tube 712. A plurality of spray heads 713 are fixedly connected to the lower side of the annular tube 712. A plurality of connecting tubes 714 are fixedly connected to the outer side of the annular tube 712. A spray head 2 715 is fixedly connected to the lower side of each of the plurality of connecting tubes 714. A conveying cylinder 716 is fixedly connected to the outer end of the plurality of connecting tubes 714. A control tube 717 is fixedly connected to the upper side of the conveying cylinder 716. A rotating tube 706 is rotatably connected, a delivery tube 6 is fixedly connected between the rotating tube 706 and the water pump 5, a rotating rod 719 is fixedly connected to the lower side of the delivery cylinder 716, a treatment cylinder 707 is fixedly connected to the inner side of the tower body 1 and located below the fixed ring 701, a connecting rod 720 is rotatably connected to the inner side of the treatment cylinder 707, a rotating roller 721 is fixedly connected to the outer side of the connecting rod 720, a dispersion plate 722 is fixedly connected to the outer side of the rotating roller 721, the connecting rod 720 is fixedly connected to the rotating rod 719, the lower side of the treatment cylinder 707 is open, a plurality of dispersion holes 708 are provided on the upper side of the treatment cylinder 707, the delivery cylinder 716 is a hollow structure, the guide groove 709 is an annular structure, and an L-shaped plate 702 is fixedly connected to the upper side of the fixed ring 701 The upper side of the L-shaped plate 702 is fixedly connected with a motor 703, and the lower side of the L-shaped plate 702 is rotatably connected with a rotating shaft 704. The lower end of the rotating shaft 704 is fixedly connected with a large gear 705. The outer side of the control tube 717 is fixedly connected with a small gear 718 that meshes with the large gear 705. When the exhaust gas is treated, the motor 703 is started, the motor 703 drives the rotating shaft 704 to rotate, the rotating shaft 704 drives the large gear 705 to rotate, and the large gear 705 drives the small gear 718 to rotate, which plays an accelerating role. The small gear 718 drives the control tube 717 to rotate, the control tube 717 drives the conveying tube 716 to rotate, the conveying tube 716 drives the connecting tube 714 to rotate, the connecting tube 714 drives the annular tube 712 to rotate, and the annular tube 712 drives the spray The first head 713 and the second spray head 715 rotate, and the water pump 5 is started. Under the action of the delivery pipe 6 and the rotating pipe 706, the external treatment liquid enters the delivery cylinder 716 on the control pipe 717. Since the delivery cylinder 716 is a hollow structure, the treatment liquid is distributed to multiple connecting pipes 714 and enters the annular pipe 1 712, so that the spray head 1 713 and the second spray head 715 spray out the treatment liquid. Since the spray head 1 713 and the second spray head 715 rotate, the sprayed treatment liquid is evenly distributed. The delivery cylinder 716 drives the rotating rod 719 to rotate, the rotating rod 719 drives the connecting rod 720 to rotate, the connecting rod 720 drives the rotating roller 721 to rotate, and the rotating roller 721 drives the dispersion plate 722 to rotate, so that the dispersion plate 722 preliminarily disperses the introduced exhaust gas.The waste gas is dispersed and discharged again through multiple dispersion holes 708, so that the treatment liquid and the waste gas are in uniform contact, thereby increasing the treatment effect.

[0022] A filter plate 724 is fixedly connected to the lower side of the treatment cylinder 707. When the waste gas enters the tower body 1, the waste gas is filtered through the filter screen on the filter plate 724, so that large particles and impurities in the waste gas are filtered out.

[0023] Embodiment 2: Based on Example 1, please refer to Figure 1 - Figure 6 The present invention provides a technical solution: a waste gas spray tower in the production of polyferric sulfate, comprising a tower body 1, an air inlet pipe 3 is fixedly connected to the front side of the tower body 1, an air outlet pipe 4 is fixedly connected to the upper side of the tower body 1, an observation window 2 is fixedly connected to the left side of the tower body 1, a water pump 5 is fixedly connected to the right side of the tower body 1, and a spray unit 7 is arranged on the inner side of the tower body 1, wherein the observation window 2 is convenient for observing the internal situation of the tower body 1, the water pump 5 is connected to an external container for holding a treatment liquid, and it is convenient to pass the treatment liquid into the spray unit 7 for spraying, the waste gas generated in the production process of polyferric sulfate enters the tower body 1 through the air inlet pipe 3, and the treatment liquid is sprayed out by the spray unit 7 to treat the waste gas, and the treated waste gas is discharged through the air outlet pipe 4.

[0024] The spray unit 7 includes a fixing ring 701, which is fixedly connected to the inner side of the tower body 1. A guide groove 709 is provided on the lower side of the fixing ring 701. A guide block 710 is slidably connected to the inner side of the guide groove 709. A fixing rod 711 is fixedly connected to the lower side of the guide block 710. The lower end of the fixing rod 711 is fixedly connected to an annular tube 712. A plurality of spray heads 713 are fixedly connected to the lower side of the annular tube 712. A plurality of connecting tubes 714 are fixedly connected to the outer side of the annular tube 712. A spray head 2 715 is fixedly connected to the lower side of each of the plurality of connecting tubes 714. A conveying cylinder 716 is fixedly connected to the outer end of the plurality of connecting tubes 714. A control tube 717 is fixedly connected to the upper side of the conveying cylinder 716. A rotating tube 706 is rotatably connected, a delivery tube 6 is fixedly connected between the rotating tube 706 and the water pump 5, a rotating rod 719 is fixedly connected to the lower side of the delivery cylinder 716, a treatment cylinder 707 is fixedly connected to the inner side of the tower body 1 and located below the fixed ring 701, a connecting rod 720 is rotatably connected to the inner side of the treatment cylinder 707, a rotating roller 721 is fixedly connected to the outer side of the connecting rod 720, a dispersion plate 722 is fixedly connected to the outer side of the rotating roller 721, the connecting rod 720 is fixedly connected to the rotating rod 719, the lower side of the treatment cylinder 707 is open, a plurality of dispersion holes 708 are provided on the upper side of the treatment cylinder 707, the delivery cylinder 716 is a hollow structure, the guide groove 709 is an annular structure, and an L-shaped plate 702 is fixedly connected to the upper side of the fixed ring 701 The upper side of the L-shaped plate 702 is fixedly connected with a motor 703, and the lower side of the L-shaped plate 702 is rotatably connected with a rotating shaft 704. The lower end of the rotating shaft 704 is fixedly connected with a large gear 705. The outer side of the control tube 717 is fixedly connected with a small gear 718 that meshes with the large gear 705. When the exhaust gas is treated, the motor 703 is started, the motor 703 drives the rotating shaft 704 to rotate, the rotating shaft 704 drives the large gear 705 to rotate, and the large gear 705 drives the small gear 718 to rotate, which plays an accelerating role. The small gear 718 drives the control tube 717 to rotate, the control tube 717 drives the conveying tube 716 to rotate, the conveying tube 716 drives the connecting tube 714 to rotate, the connecting tube 714 drives the annular tube 712 to rotate, and the annular tube 712 drives the spray The first head 713 and the second spray head 715 rotate, and the water pump 5 is started. Under the action of the delivery pipe 6 and the rotating pipe 706, the external treatment liquid enters the delivery cylinder 716 on the control pipe 717. Since the delivery cylinder 716 is a hollow structure, the treatment liquid is distributed to multiple connecting pipes 714 and enters the annular pipe 1 712, so that the spray head 1 713 and the second spray head 715 spray out the treatment liquid. Since the spray head 1 713 and the second spray head 715 rotate, the sprayed treatment liquid is evenly distributed. The delivery cylinder 716 drives the rotating rod 719 to rotate, the rotating rod 719 drives the connecting rod 720 to rotate, the connecting rod 720 drives the rotating roller 721 to rotate, and the rotating roller 721 drives the dispersion plate 722 to rotate, so that the dispersion plate 722 preliminarily disperses the introduced exhaust gas.The waste gas is dispersed and discharged again through multiple dispersion holes 708, so that the treatment liquid and the waste gas are in uniform contact, thereby increasing the treatment effect.

[0025] A filter plate 724 is fixedly connected to the lower side of the treatment cylinder 707. When the waste gas enters the tower body 1, the waste gas is filtered through the filter screen on the filter plate 724, so that large particles and impurities in the waste gas are filtered out.

[0026] The outer sides of the upper and lower ends of the rotating rod 719 are slidably connected with a moving cylinder 725, and a plurality of dispersion pipes 726 are fixedly connected to the outer side of the moving cylinder 725. A mounting block 730 is fixedly connected to one side of the moving cylinder 725 near the middle of the rotating rod 719, and a rotating block 1 731 is fixedly connected to the outer side of the mounting block 730. The outer sides of the rotating blocks 1 731 on the upper and lower sides are rotatably connected to a control plate 732. A telescopic rod 735 is fixedly connected to the outer side of the rotating rod 719, and a control block 734 is fixedly connected to the outer end of the telescopic rod 735. A rotating block 2 733 is fixedly connected to one side of the control block 734, and the rotating block 2 733 is rotatably connected to the control plate 732. A control rod 737 is fixedly connected to the other side of the control block 734. A fixing ring 2 723 is fixedly connected to the inner side of the tower body 1 and is located between the processing cylinder 707 and the fixing ring 1 701. A plurality of resistance pipes 726 are fixedly connected to the inner side of the fixing ring 2 723. Block 740, a spring 736 is fixedly connected between the control block 734 and the rotating rod 719, and an arc block is set at the outer end of the control rod 737. The control rod 737 is against the block 740. When spraying, the rotating rod 719 drives the moving cylinder 725 to rotate, and the moving cylinder 725 drives multiple dispersion pipes 726 to rotate, so that the dispersion pipes 726 disperse the exhaust gas again, making the exhaust gas distribution more uniform. At the same time, the rotating rod 719 drives the control rod 737 to rotate. Since the control rod 737 is against the block 740, the control rod 737 repeatedly moves horizontally, and the control rod 737 drives the control block 734 to move left and right. The control block 734 drives the upper and lower control plates 732 to rotate, and the control plate 732 drives the moving cylinder 725 on the mounting block 730 to move up and down repeatedly, so that the moving cylinder 725 drives the dispersion pipes 726 to shake, so that the dispersion pipes 726 have a better effect on exhaust gas dispersion.

[0027] The outer sides of the multiple dispersion pipes 726 are fixedly connected with branch pipes 729, the outer sides of the branch pipes 729 are fixedly connected with annular pipes 2 728, a connecting hose 738 is fixedly connected between the upper and lower dispersion pipes 726, a mounting pipe 739 is fixedly connected between the upper annular pipe 2 728 and the conveying cylinder 716, and the lower sides of the multiple dispersion pipes 726 are fixedly connected with spray heads 3 727. At the same time, the treatment liquid enters the upper annular pipe 2 728 through the mounting pipe 739, and is distributed into the dispersion pipes 726 through the multiple branch pipes 729, and enters the upper and lower dispersion pipes 726 through the connecting hose 738, and then is sprayed out through the multiple spray heads 3 727, so that the treatment liquid is sprayed more evenly, the contact area between the treatment liquid and the exhaust gas is increased, and the treatment effect is improved.

[0028] Working principle: When in use, the staff first passes the exhaust gas into the tower body 1 through the air inlet pipe 3, and starts the motor 703 and the water pump 5. The motor 703 drives the large gear 705 to rotate. Under the action of the small gear 718, the control tube 717, the conveying cylinder 716, the connecting pipe 714 and the annular tube 1 712, the spray head 1 713 and the spray head 2 715 are controlled to rotate. The water pump 5, through the conveying pipe 6, the rotating pipe 706 and the control pipe 717, makes the spray head 1 713 and the spray head 2 715 spray out the treatment liquid, so that the treatment liquid is more evenly distributed. At the same time, the conveying cylinder 716 drives the rotating rod 719 to rotate. Under the action of the connecting rod 720, the rotating rod 714 and the annular tube 1 712, the large gear 705 drives the large gear 705 to rotate. Under the action of roller 721, the dispersion plate 722 is controlled to rotate to disperse the exhaust gas, and the exhaust gas is dispersed again through the dispersion hole 708. At the same time, the rotating rod 719 drives the dispersion pipe 726 to rotate to disperse the exhaust gas again. Under the action of control plate 732, control block 734, telescopic rod 735, control rod 737 and stop block 740, the dispersion pipe 726 is controlled to move up and down repeatedly, which is convenient for the dispersion of exhaust gas and increases the contact area between exhaust gas and treatment liquid. At the same time, through the action of mounting pipe 739, annular pipe 2 728 and branch pipe 729, multiple spray heads 3 727 spray treatment liquid, which is convenient for increasing the contact area between treatment liquid and exhaust gas.

[0029] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A waste gas spray tower for the production of polyferric sulfate, comprising a tower body (1), an air inlet pipe (3) being fixedly connected to the front side of the tower body (1), an air outlet pipe (4) being fixedly connected to the upper side of the tower body (1), an observation window (2) being fixedly connected to the left side of the tower body (1), and a water pump (5) being fixedly connected to the right side of the tower body (1), characterized in that: A spray unit (7) is provided on the inner side of the tower body (1); The spray unit (7) comprises a fixing ring 1 (701), wherein the fixing ring 1 (701) is fixedly connected to the inner side of the tower body (1), a guide groove (709) is provided on the lower side of the fixing ring 1 (701), a guide block (710) is slidably connected to the inner side of the guide groove (709), a fixing rod (711) is fixedly connected to the lower side of the guide block (710), a ring tube 1 (712) is fixedly connected to the lower end of the fixing rod (711), a plurality of spray heads 1 (713) are fixedly connected to the lower side of the ring tube 1 (712), a plurality of connecting tubes (714) are fixedly connected to the outer side of the ring tube 1 (712), a plurality of connecting tubes (714) are fixedly connected to the lower sides of the plurality of connecting tubes (714), a spray head 2 (715) is fixedly connected to the lower sides of the plurality of connecting tubes (714), a conveying tube (716) is fixedly connected to the outer ends of the plurality of connecting tubes (714), and the conveying tube (716) A control tube (717) is fixedly connected to the upper side of the control tube (717), a rotating tube (706) is rotatably connected to the upper side of the control tube (717), a delivery tube (6) is fixedly connected between the rotating tube (706) and the water pump (5), a rotating rod (719) is fixedly connected to the lower side of the delivery tube (716), a treatment tube (707) is fixedly connected to the inner side of the tower body (1) and below the fixing ring 1 (701), a connecting rod (720) is rotatably connected to the inner side of the treatment tube (707), a rotating roller (721) is fixedly connected to the outer side of the connecting rod (720), a dispersion plate (722) is fixedly connected to the outer side of the rotating roller (721), the connecting rod (720) is fixedly connected to the rotating rod (719), the lower side of the treatment tube (707) is open, and a plurality of dispersion holes (708) are provided on the upper side of the treatment tube (707).

2. The waste gas spray tower in the production of polyferric sulfate according to claim 1, characterized in that: The upper side of the fixing ring 1 (701) is fixedly connected to an L-shaped plate (702), the upper side of the L-shaped plate (702) is fixedly connected to a motor (703), the lower side of the L-shaped plate (702) is rotatably connected to a rotating shaft (704), the lower end of the rotating shaft (704) is fixedly connected to a large gear (705), and the outer side of the control tube (717) is fixedly connected to a small gear (718) meshing with the large gear (705).

3. The waste gas spray tower in the production of polyferric sulfate according to claim 1, characterized in that: A filter plate (724) is fixedly connected to the lower side of the treatment cylinder (707).

4. The waste gas spray tower in the production of polyferric sulfate according to claim 1, characterized in that: The outer sides of the upper and lower ends of the rotating rod (719) are slidably connected to a moving cylinder (725), and the outer side of the moving cylinder (725) is fixedly connected to a plurality of dispersion tubes (726). The side of the moving cylinder (725) close to the middle of the rotating rod (719) is fixedly connected to a mounting block (730), and the outer side of the mounting block (730) is fixedly connected to a rotating block 1 (731), and the outer sides of the rotating block 1 (731) on the upper and lower sides are rotatably connected to a control plate (732). The outer side of the rotating rod (719) is fixedly connected to a telescopic rod (735), and the outer end of the telescopic rod (735) is fixedly connected to A control block (734) is connected, one side of the control block (734) is fixedly connected to a rotating block 2 (733), the rotating block 2 (733) is rotatably connected to the control plate (732), the other side of the control block (734) is fixedly connected to a control rod (737), the inner side of the tower body (1) and located between the treatment cylinder (707) and the fixed ring 1 (701) is fixedly connected to a fixed ring 2 (723), the inner side of the fixed ring 2 (723) is fixedly connected to a plurality of stop blocks (740), and a spring (736) is fixedly connected between the control block (734) and the rotating rod (719).

5. The waste gas spray tower in the production of polyferric sulfate according to claim 4, characterized in that: An arc-shaped block is provided at the outer end of the control rod (737), and the control rod (737) abuts against the abutment block (740).

6. The waste gas spray tower in the production of polyferric sulfate according to claim 4, characterized in that: The outer sides of the plurality of dispersion pipes (726) are fixedly connected with branch pipes (729), the outer sides of the branch pipes (729) are fixedly connected with annular pipe 2 (728), a connecting hose (738) is fixedly connected between the dispersion pipes (726) on the upper and lower sides, a mounting pipe (739) is fixedly connected between the annular pipe 2 (728) and the conveying cylinder (716) on the upper side, and a sprinkler head 3 (727) is fixedly connected to the lower sides of the plurality of dispersion pipes (726).

7. The waste gas spray tower in the production of polyferric sulfate according to claim 1, characterized in that: The guide groove (709) is arranged in an annular structure.

8. The waste gas spray tower in the production of polyferric sulfate according to claim 1, characterized in that: The conveying cylinder (716) is a hollow structure.

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