Packing spray tower for waste gas treatment

Abstract

The invention provides a filler spray tower for waste gas treatment. A tower body comprises a tower bottom, a tower cover and at least one layer of tower body, spraying structures are mounted at the bottoms of the tower cover and the tower body; the pumping device is used for pumping spraying liquid to each spraying structure; a first bracket is fixedly mounted at the bottom of the tower body, and a spraying structure of the tower body is mounted at the bottom of the first bracket; a supporting net is fixedly arranged on the top surface of the first bracket and is used for supporting and placing the filler; a stirring structure is rotationally mounted in the center of the first bracket, and a stirring frame of the stirring structure is located above the supporting net; a driving structure is mounted at the bottom of the first bracket and is in transmission connection with the stirring structure, and the pumping device provides driving power for the driving structure; the filler can be stirred, the position of the filler is changed, and the utilization efficiency and the purification effect are improved; moreover, the pumping device is used for conveying the spraying liquid as driving power, an electric driving structure does not need to be additionally arranged, and the design and layout difficulty of the whole structure is reduced.

Description

Technical Field

[0001] The invention relates to the field of spray towers, and more specifically to a packing spray tower for waste gas treatment. Background Art

[0002] At present, the production process of feed enterprises will produce a certain amount of harmful gases and malodorous gases with high temperature and humidity during the production process. If the waste gas is discharged into the atmosphere without treatment, it will cause damage and pollution to the environment. At present, the more commonly used treatment method is to combine spray towers, dry filtration equipment, and activated carbon adsorption boxes to ensure effective purification of waste gas. Among them, the spray tower is mostly a packed spray tower structure. The filler increases the contact area between the gas and the spray liquid, prolongs the residence time of the waste gas, and allows the waste gas and liquid two-phase flow to fully contact, achieving effective purification.

[0003] However, most of the current fillers are laid flat and static, and the fillers in the blind spots cannot come into contact with the exhaust gas and liquid, or the probability of contact is not high, resulting in unclear filler utilization, causing waste, and affecting the overall purification effect. Therefore, this needs to be improved. Summary of the invention

[0004] In order to overcome the defects of the prior art, the technical problem to be solved by the present invention is to propose a packed spray tower for waste gas treatment, which has a novel structure and can stir the packing and change the position of the packing to improve the utilization efficiency and purification effect; and a pumping device is used to transport the spray liquid as a driving power, without the need for an additional electric drive structure, thereby reducing the difficulty of designing and laying out the overall structure.

[0005] To achieve this object, the present invention adopts the following technical solutions:

[0006] The present invention provides a packing spray tower for waste gas treatment, comprising a tower body and a pumping device, wherein the tower body comprises a tower bottom, a tower cover, and at least one tower body installed between the tower bottom and the tower cover; the tower cover and the bottom of the tower body are both installed with spray structures, and the pumping device is used to pump the spray liquid to each spray structure; a first bracket is fixedly installed at the bottom of the tower body, and the spray structure of the tower body is installed at the bottom of the first bracket; a supporting net is fixedly provided on the top surface of the first bracket, which is used to support and place the packing; a stirring structure is rotatably installed at the center of the first bracket, and the stirring frame of the stirring structure is located above the supporting net; a driving structure is installed at the bottom of the first bracket, and the driving structure is transmission-connected with the stirring structure, and the pumping device provides driving power for the driving structure.

[0007] In a preferred technical solution of the present invention, a sink is provided at the center of the bottom surface of the first bracket, and a circular hole is provided at the center of the bottom of the sink; a first bearing is installed at the sink; the stirring structure includes a rotating shaft, a stirring frame fixed to the top of the rotating shaft, and the rotating shaft is installed at the first bearing; a gear is installed at the bottom end of the rotating shaft; the driving structure is provided with a rack that can be retracted and moved by drive, and the rack is meshed with the gear for transmission.

[0008] In a preferred technical solution of the present invention, a one-way bearing is installed at the bottom end of the rotating shaft, and the gear fixing sleeve is arranged on the outer ring of the one-way bearing; the stirring shaft rotates synchronously with the extension and movement of the rack, and the stirring shaft does not rotate when the rack moves back.

[0009] In a preferred technical solution of the present invention, a circular ring is fixedly provided on the outer side of the top of the circular hole, and the circular ring passes through the central top surface of the protruding support net; a plane bearing is sleeved on the rotating shaft, and the plane bearing is clamped and installed between the stirring frame and the circular ring.

[0010] In a preferred technical solution of the present invention, the driving structure includes a box body with one end open, and the box body is installed on the bottom surface of the first bracket; a first pipeline is connected to the end surface of the box body away from the open end, and the first pipeline is connected to the delivery pipe of the pumping device through the infusion assembly, providing a flow channel for liquid to enter and exit the box body; a piston block is installed inside the box body, and one end of the rack is fixedly installed on the piston block; a plug is installed inside the open end of the box body, and a notch is provided on the plug corresponding to the rack, and the pumping device pumps liquid into the box body and pushes the rack to extend outward; a spring is provided inside the box body, and the spring is clamped between the plug and the piston block, providing power for the piston block to move back after pressure relief.

[0011] In a preferred technical solution of the present invention, the pumping device includes a pump body and a delivery pipe. The input port of the pump body extends into the water tank through a water suction pipe, and the delivery pipe is connected to the output port of the pump body; the delivery pipe is connected to a plurality of branch pipes corresponding to the spray structure, and the branch pipes are connected to the corresponding spray structure, and a first solenoid valve is provided on the branch pipe; the infusion assembly includes a three-way pipe, a reflux pipe, and a water supply pipe. The first pipeline, the reflux pipe and the water supply pipe are connected through a three-way pipe, and the water supply pipe is connected to the delivery pipe through a four-way pipe; a second solenoid valve is provided on the water supply pipe, and a third solenoid valve is provided on the reflux pipe; a reflux hole is provided on the bottom of the tower and the corresponding side wall of the tower body, and the end of the reflux pipe extends into the reflux hole.

[0012] In a preferred technical solution of the present invention, a guide rod is fixedly installed on the wall of the piston block away from the first pipe; a guide hole is provided in the plug corresponding to the guide rod, the guide rod slides along the guide hole, and a spring sleeve is arranged on the guide rod.

[0013] The beneficial effects of the present invention are:

[0014] The present invention provides a waste gas treatment packing spray tower, wherein a first bracket is fixedly installed at the bottom of the tower body, and a spray structure of the tower body is installed at the bottom of the first bracket; a support net is fixedly provided on the top surface of the first bracket for supporting and placing packing; a stirring structure is rotatably installed at the center of the first bracket, and a stirring frame of the stirring structure is located above the support net; the packing can be stirred, the position of the packing can be changed, the blind area is small, and the utilization efficiency and purification effect are improved;

[0015] A driving structure is installed at the bottom of the first bracket, and the driving structure is connected to the stirring structure by transmission. The pumping device provides driving power for the driving structure. The same pumping device is shared, and there is no need to add an additional electric driving structure, thereby reducing the difficulty of designing and laying out the overall structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of a packing spray tower for waste gas treatment provided in a specific embodiment of the present invention;

[0017] Figure 2 It is a schematic diagram of the three-dimensional structure of the tower body and its upper components provided in a specific embodiment of the present invention;

[0018] Figure 3 It is a schematic diagram of a three-dimensional unfolded structure of a tower body and its upper components from a first viewing angle provided in a specific embodiment of the present invention;

[0019] Figure 4 It is a schematic diagram of a three-dimensional unfolded structure of a tower body and its upper components from a second viewing angle provided in a specific embodiment of the present invention;

[0020] Figure 5 is a schematic diagram of a three-dimensional unfolded structure of a first bracket and an upper component thereof from a first viewing angle provided in a specific embodiment of the present invention;

[0021] Figure 6 is a schematic diagram of a three-dimensional unfolded structure of a first bracket and an upper component thereof from a second viewing angle provided in a specific embodiment of the present invention;

[0022] Figure 7 is a schematic diagram of the three-dimensional structure of a first bracket provided in a specific embodiment of the present invention;

[0023] Figure 8 is a schematic diagram of a three-dimensional unfolded structure of a driving structure provided in a specific embodiment of the present invention;

[0024] Fig. 9 yes Figure 1 Enlarged view of part A.

[0025] In the figure:

[0026] 100, tower body; 110, tower bottom; 120, tower cover; 130, tower body; 200, pumping device; 210, delivery pipe; 220, pump body; 230, diverter pipe; 240, first solenoid valve; 300, spray structure; 400, first bracket; 410, sink; 420, round hole; 430, ring; 500, support net; 600, stirring structure; 610, stirring frame; 620, rotating shaft; 700, driving structure ; 710, rack; 720, box body; 730, first pipeline; 740, piston block; 750, plug; 751, guide hole; 760, spring; 770, guide rod; 810, first bearing; 820, gear; 830, one-way bearing; 840, plane bearing; 900, infusion assembly; 910, three-way pipe; 920, reflux pipe; 930, water supply pipe; 940, second solenoid valve; 950, third solenoid valve. DETAILED DESCRIPTION

[0027] The technical solution of the present invention is further described below with reference to the accompanying drawings and through specific implementation methods.

[0028] like Figures 1 to 4 As shown, a specific embodiment of the present invention discloses a packed spray tower for waste gas treatment, comprising a tower body 100 and a pumping device 200. The tower body 100 comprises a tower bottom 110, a tower cover 120, and at least one tower body 130 installed between the tower bottom and the tower cover; the bottom of the tower cover 120 and the tower body 130 are both installed with a spray structure 300, and the pumping device is used to pump the spray liquid to each spray structure; the bottom of the tower body 130 is fixedly installed with a first bracket 400, and the spray of the tower body 130 The shower structure 300 is installed at the bottom of the first bracket 400; a support net 500 is fixedly provided on the top surface of the first bracket 400 for supporting and placing fillers; a stirring structure 600 is rotatably installed at the center of the first bracket 400, and a stirring frame 610 of the stirring structure 600 is located above the support net 500; a driving structure 700 is installed at the bottom of the first bracket 400, and the driving structure 700 is transmission-connected with the stirring structure 600, and the pumping device 200 provides driving power for the driving structure 700;

[0029] The first bracket is a grid structure, which does not affect the passage of gas and liquid; the spray structure includes spray pipes arranged in a grid shape, and the spray pipes form an installation gap to provide installation space for the drive structure; the spray pipes and the drive structure are both installed on the bottom surface of the first bracket; a plurality of atomizing nozzles are installed at the bottom of the spray pipe, and the edges of the spray ranges of the atomizing nozzles overlap, effectively ensuring the overall spray coverage; a second bracket is installed on the bottom inner wall of the tower cover, and the structure of the second bracket is the same as that of the first bracket, and is used to install the spray structure;

[0030] The above-mentioned packed spray tower for waste gas treatment has a stirring structure that can stir the packing, change the position of the packing, reduce blind spots, and improve utilization efficiency and purification effects; a pumping device is used to provide driving power for the driving structure, and the same pumping device is shared, without the need for an additional electric drive structure, reducing the difficulty of designing and laying out the overall structure.

[0031] Furthermore, if Figures 5 to 8 As shown, a sink 410 is provided at the center of the bottom surface of the first bracket 400, and a round hole 420 is provided at the center of the bottom of the sink 410; a first bearing 810 is installed at the sink 410; the stirring structure 600 includes a rotating shaft 620, a stirring frame 610 fixedly arranged at the top of the rotating shaft 620, and the rotating shaft 620 is penetrated and installed at the first bearing 810 to reduce the rotation friction; a gear 820 is installed at the bottom end of the rotating shaft 620; Figure 8 As shown, the driving structure 700 is provided with a rack 710 that can be driven to be telescopic and movable, and the rack 710 is meshed with the gear 820 for transmission; a simple telescopic movement is adopted to convert it into power to drive the stirring structure to rotate, thereby realizing the change of direction and facilitating the design and layout of the overall structure.

[0032] Furthermore, a one-way bearing 830 is installed at the bottom end of the rotating shaft 620, and the gear 820 is fixedly sleeved on the outer ring of the one-way bearing 830; the stirring shaft rotates synchronously with the extension of the rack, and the stirring shaft does not rotate when the rack moves back; under this structural design, the rotation in a single direction is limited, so that it conforms to the flow of the pumped liquid and provides sufficient pushing force; when the rack moves in the opposite direction, it will not form excessive resistance, will not affect the normal resetting of the rack, and is convenient for subsequent pushing drive.

[0033] Furthermore, if Figure 7 As shown, a ring 430 is fixedly disposed on the outer side of the top of the circular hole 420, and the ring passes through the central top surface of the protruding support net; Figure 5 As shown, a plane bearing 840 is sleeved on the rotating shaft 620, and the plane bearing 840 is clamped and installed between the stirring frame 610 and the ring 430; the rotational friction is further reduced so that the stirring structure can rotate, and the resistance to pushing can be reduced accordingly, which is convenient for adjusting the drive; wherein, the stirring frame includes a frame bar, and a plurality of stirring rods extending upward are fixedly provided on the top surface of the frame bar, and the plurality of stirring rods are evenly spaced along the length direction of the frame bar, and the outer wall of the stirring rod is fixedly provided with a convex strip protruding outward; the stirring range is effectively expanded so that the filler can be effectively stirred, the position of the filler can be changed, the contact range can be expanded, and an effective purification effect can be maintained.

[0034] Furthermore, if Figure 8As shown, the driving structure 700 includes a box body 720 with one end open, and the box body 720 is installed on the bottom surface of the first bracket 400; the end surface of the box body 720 away from the open end is connected to a first pipe 730, and the top of the side wall of the tower body is correspondingly provided with a first perforation for passing the first pipe, and the perforation connection is sealed and reinforced by glue; the first pipe 730 is connected to the delivery pipe 210 of the pumping device 200 through the infusion assembly 900, providing a flow channel for liquid to enter and exit the box body; a piston block 740 is installed inside the box body 720, and one end of the rack 710 is fixedly installed on the piston block 740; a plug 750 is installed inside the open end of the box body 720, and a notch is provided on the plug corresponding to the rack, and the pumping device pumps liquid into the box body, and the push rack extends outward; the piston structure is adopted, and the liquid pumped inward can be converted into a push force, so that the rack slides linearly, thereby driving the gear to rotate and driving the stirring structure to rotate;

[0035] A spring 760 is provided inside the box body 720, and the spring 760 is clamped between the plug 750 and the piston block 740, providing power for the piston block to move back after the pressure is released; when the infusion assembly is converted into a flow channel for external drainage, the liquid inside the box body is discharged, relieving the pushing pressure, and the spring pushes the piston block to move back, accelerating the liquid discharge, and the piston block drives the rack to move back in preparation for the next push; since the gear is installed on the shaft through a one-way shaft, the gear rotates alone when the rack moves back, and will not cause any obstruction to the rack, so that it can be smoothly reset to the position before the push; it should be noted that when the rack moves back to the end position, the rack still maintains a state of meshing with the gear.

[0036] Furthermore, if Figure 1 , Fig. 9 As shown, the pumping device 200 includes a pump body 220 and a delivery pipe 210. The input port of the pump body extends into the water tank through a water pumping pipe, and the delivery pipe is connected to the output port of the pump body; the delivery pipe 210 is connected to the spray structure 300 and is provided with a plurality of shunt pipes 230, which are connected to the corresponding spray structure. The shunt pipes 230 are provided with a first solenoid valve 240 to provide the required spray liquid for the spray structure pumping;

[0037] The infusion assembly 900 includes a three-way pipe 910, a return pipe 920, and a water supply pipe 930. The first pipeline, the return pipe and the water supply pipe are connected through a three-way pipe, and the water supply pipe 930 is connected to the delivery pipe 210 through a four-way pipe; a second solenoid valve 940 is provided on the water supply pipe 930, and a third solenoid valve 950 is provided on the return pipe 920; a return hole is provided at the bottom of the tower and the corresponding side wall of the tower body, and the end of the return pipe extends into the return hole, and the connection between the return pipe and the return hole is sealed and reinforced by glue; with this structure, the conduction path can be changed according to actual needs; more specifically, when it is necessary to drive the stirring structure to rotate, the second solenoid valve can be opened, the third solenoid valve can be closed, and the pump body can pump the spray liquid into the box body, and the continuous pressurization can drive the piston block to move outward, push the rack, and drive the gear and the stirring structure rotates to achieve the desired stirring filler effect; when the running time is reached, the piston block's pushing stroke reaches the upper limit, and the rack can no longer extend outward, the second solenoid valve can be closed, and the third solenoid valve can be opened, and the liquid inside the box body is discharged through the reflux pipe, and the piston block moves back driven by the spring, and the rack moves back and resets accordingly, preparing for the next extension; through the switching coordination of the second solenoid valve and the third solenoid valve, the reciprocating motion of the rack is achieved, thereby driving the rotation of the stirring structure; it should be noted that the above-mentioned electrical components are electrically connected to the external electrical control box, and the operation of each electrical component is controlled by the electrical control box to achieve overall coordinated operation; the pump body, solenoid valve, and electrical control box are all common electrical components, which can be purchased and used on the market, and the details will not be repeated.

[0038] Furthermore, a guide rod 770 is fixedly installed on the wall surface of the piston block 740 away from the first pipe; the plug 750 is provided with a guide hole 751 corresponding to the guide rod 770, the guide rod slides along the guide hole, and the spring 760 is sleeved on the guide rod 770; the number of guide rods is 2, which are symmetrically arranged about the axis center of the first pipe, further limiting the movement of the piston block and placing certain restrictions on the deformation of the spring to prevent the spring from running off and irregularly deforming, thereby avoiding damage to the spring and failure of the piston block to reset normally.

[0039] The present invention is described by preferred embodiments, and those skilled in the art will appreciate that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. The present invention is not limited to the specific embodiments disclosed herein, and other embodiments falling within the claims of this application are within the scope of protection of the present invention.

Claims

1. A packed spray tower for waste gas treatment, comprising a tower body and a pumping device, wherein the tower body comprises a tower bottom, a tower cover, and at least one tower body installed between the tower bottom and the tower cover; the tower cover and the bottom of the tower body are both installed with spray structures, and the pumping device is used to pump the spray liquid to each spray structure; the characteristics are: A first bracket is fixedly installed at the bottom of the tower body, and the spray structure of the tower body is installed at the bottom of the first bracket; a support net is fixedly provided on the top surface of the first bracket for supporting and placing fillers; A stirring structure is rotatably installed at the center of the first bracket, and the stirring frame of the stirring structure is located above the supporting net; a driving structure is installed at the bottom of the first bracket, the driving structure is transmission-connected with the stirring structure, and the pumping device provides driving power for the driving structure.

2. The waste gas treatment packing spray tower according to claim 1, characterized in that: A sink groove is provided at the center of the bottom surface of the first bracket, and a round hole is provided at the center of the bottom of the sink groove; a first bearing is installed at the sink groove; The stirring structure includes a rotating shaft, a stirring frame fixedly arranged at the top of the rotating shaft, and the rotating shaft is installed at the first bearing; a gear is installed at the bottom of the rotating shaft; The driving structure is provided with a rack which can be driven to be telescopic and movable, and the rack is meshed with the gear for transmission.

3. The waste gas treatment packing spray tower according to claim 2, characterized in that: A one-way bearing is installed at the bottom end of the rotating shaft, and a gear fixing sleeve is arranged on the outer ring of the one-way bearing; the stirring shaft rotates synchronously when the rack extends and moves, and the stirring shaft does not rotate when the rack moves back.

4. A packed spray tower for waste gas treatment according to claim 3, characterized in that: A circular ring is fixedly arranged on the outer side of the top of the circular hole, and the circular ring penetrates the central top surface of the protruding support net; A plane bearing is sleeved on the rotating shaft and is clamped and installed between the stirring frame and the ring.

5. The waste gas treatment packing spray tower according to claim 3, characterized in that: The driving structure includes a box body with one end open, and the box body is mounted on the bottom surface of the first bracket; a first pipeline is connected to the end surface of the box body away from the open end, and the first pipeline is connected to the delivery pipe of the pumping device through the infusion assembly to provide a flow channel for liquid to enter and exit the box body; A piston block is installed inside the box body, and one end of the rack is fixedly installed on the piston block; a plug is installed inside the open end of the box body, and a notch is provided on the plug corresponding to the rack. The pumping device pumps liquid into the box body and pushes the rack outward; A spring is arranged inside the box body, and the spring is clamped between the plug and the piston block, and provides power for the piston block to move back after the pressure is released.

6. A packed spray tower for waste gas treatment according to claim 5, characterized in that: The pumping device includes a pump body and a delivery pipe. The input port of the pump body extends into the water tank through a water pumping pipe, and the delivery pipe is connected to the output port of the pump body. The delivery pipe is connected to the corresponding spray structure and is provided with a plurality of shunt pipes, the shunt pipes are connected to the corresponding spray structure, and a first solenoid valve is provided on the shunt pipe; The infusion assembly includes a tee pipe, a return pipe, and a water supply pipe. The first pipeline, the return pipe, and the water supply pipe are connected through the tee pipe, and the water supply pipe is connected to the delivery pipe through a cross pipe. A second solenoid valve is provided on the water supply pipe, and a third solenoid valve is provided on the return pipe. The tower bottom and the corresponding tower body side wall are provided with reflux holes, and the end of the reflux pipe extends into the reflux hole.

7. The packed spray tower for waste gas treatment according to claim 5, characterized in that: A guide rod is fixedly mounted on the wall surface of the piston block away from the first pipe; The plug is provided with a guide hole corresponding to the guide rod, the guide rod slides along the guide hole, and the spring sleeve is arranged on the guide rod.

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