CN211328905U - A kind of baffled air passage cylinder type turntable deodorization device - Google Patents

Abstract

The utility model discloses a deodorizing device of a baffled air passage cylindrical turntable, which comprises a deodorizing shell, a deodorizing turntable, a rotating shaft and a driving device. The deodorizing shell is composed of an upper half shell and a lower half shell assembled. The upper part of the shell is provided with an air inlet, a deodorization turntable and an air outlet, and the bottom of the lower part of the housing is provided with a drain; A backwashing pipe is provided, and the deodorizing turntable includes an outer frame and an inner packing layer, and the packing layer is composed of multi-stage cylindrical combined packings arranged in parallel along the horizontal direction. In the utility model, by designing a multi-stage cylindrical combined packing and a retractable backwashing pipe, the surface of the packing is quickly covered with mud, evenly filmed and not easily blocked, and several baffles are arranged inside the cylindrical combined packing to conduct multi-stage baffles for odorous gas. It effectively prolongs the residence time of odor in the packing layer, and increases the contact area of gas and liquid. It has the characteristics of rapid deodorization, simple online dredging, low water and electricity consumption, and efficient and continuous operation.

Description

A kind of baffled air passage cylinder type turntable deodorization device

technical field

The utility model relates to the technical field of deodorization, in particular to a baffled air passage cylinder-type turntable deodorization device.

Background technique

Among many deodorization devices, scrubber towers are widely used in sewage stations, food processing, packaging and printing, workshop spraying, petroleum, etc. Odor treatment in chemical and other fields. The scrubber tower generally adopts the structure of a vertical packing spray tower. The tower is filled with several layers of light packing, and the packing is generally piled up naturally according to the action of gravity. In recent years, the deodorization process of sewage stations has gradually developed from the traditional lye washing method to the use of aerobic system activated sludge slurry spray scrubbing. When the system is running, suspended solids such as pulp residue will be sprayed into the tower together with the activated sludge slurry. The activated sludge slurry itself has strong viscosity. Under the combined action of the slurry and suspended solids, if the sludge and suspended solids content is too high and the anti-blocking design is not in place, the surface of the filler and its interior are prone to bridging. , siltation and scaling, etc., and then dead zone occurs, blocking the gas-liquid mass transfer channel, making the packing layer drop rapidly increase, resulting in channel flow, wall flow and short circuit of odor, which seriously affects the deodorization effect, and the system runs continuously and stably challenged.

Utility model content

The purpose of this utility model is to: provide a kind of baffled air passage cylindrical turntable deodorization device, which is discharged through multi-stage baffles in the inner baffle of the cylindrical combined packing, so as to realize the hydraulic pressure of scaling on the surface of the packing, excess sludge and slurry residue, etc. Erosion and self-loosening and anti-blocking, and finally achieve the purpose of online dredging, deodorization and efficient and stable operation of the system.

In order to realize the above-mentioned purpose of the utility model, the technical scheme adopted by the present utility model is as follows:

A baffled air passage cylindrical turntable deodorizing device, comprising a deodorizing housing, a deodorizing turntable, a rotating shaft and a driving device, the deodorizing housing is composed of an upper half-area housing and a lower half-area housing assembled; The upper half-area casing is provided with an air inlet, a deodorizing turntable and an air outlet, and the bottom half of the lower half-area casing is provided with a liquid outlet; the deodorizing turntable is arranged on the air inlet and Between the air outlets, a spray pipe is arranged above the deodorizing turntable, and backwash pipes are arranged on both sides of the deodorizing turntable. The deodorizing turntable includes an outer frame and an inner packing layer. It is composed of multi-stage cylindrical combined packings arranged in parallel directions; the driving device is arranged on the outer side of the lower half of the casing, and the driving device is connected with the deodorizing turntable through a rotating shaft.

Preferably, the multi-stage cylindrical composite packing is formed of light spherical packings that are evenly connected in series to form chain ball units through clamping ropes and then tightly arranged according to a hollow cylindrical structure, and a number of baffles are arranged in the middle of the cylindrical composite packing. The baffle is used to deflect the odor.

Preferably, the lightweight spherical filler is a lightweight high surface area hollow sphere, and the locking rope is a stainless steel string or an elastic nylon rope.

Preferably, the upper half-area shell is also provided with a pre-washing pipe and an air-distributing orifice plate, and the pre-washing pipe and the air-distributing orifice plate are arranged between the air inlet and the deodorizing turntable, and one end of the pre-washing pipe is provided. It is arranged on the top of the deodorizing shell, the other end extends to the inside of the deodorizing shell, and both ends of the air distribution orifice plate are arranged in the deodorizing shell.

Preferably, the backwashing pipe is a retractable backwashing pipe, and the backwashing pipe is provided with a flushing nozzle facing the surface of the deodorizing turntable. The effluent water from the secondary sedimentation tank or the tap water in the plant area is used as the backwash water. The nozzles on each backwash pipe correspond to the inlet and outlet ends of the cylindrical combined packing one by one, so as to ensure that there is no dead zone reaction in the whole range of the packing along the horizontal direction of the turntable. Rinse to cover.

Preferably, the outer frame is of a wheel disc structure, including a wheel belt surface and a disc surface, and the disc surface is arranged on both sides of the wheel belt surface. Among them, the belt surface is surrounded by stainless steel punching panel or steel wire mesh, and the disc surface is made of stainless steel punching panel. The opening positions correspond to the air inlet ends of the cylindrical combined packing one by one, which optimally meets the requirements of spraying, air passing and Smooth backwashing process.

Preferably, an inspection manhole is provided on the top of the upper half of the casing.

Preferably, a defogging layer is arranged in the air outlet, and a backwashing pipe for the defogging layer is arranged below the defogging layer.

Preferably, a liquid collecting swash plate is arranged at the bottom of the lower half of the casing; the upper half of the casing has a semicircular structure, and the lower half of the casing has a square structure.

Preferably, fixed supports are provided on both sides of the lower half of the housing, and both ends of the driving device and the rotating shaft are disposed on the fixed supports.

The utility model is provided with a horizontal multi-stage turntable structure, the deodorizing turntable is provided with multi-stage cylindrical combined packings arranged in parallel along the horizontal direction, a number of baffles are arranged in the middle of the cylindrical combined packing, and a plurality of canisters are respectively arranged on both sides of the deodorizing turntable. Telescopic backwashing pipe, the backwashing nozzle of the backwashing pipe is facing the inlet and outlet ends of the cylindrical combined packing. During the operation, the activated sludge slurry is evenly sprayed on the surface of the packing through the spray pipe above the turntable, and the odor is eliminated. Enter from one end of the cylindrical combined packing, and fully contact with the spray slurry on the surface of the packing, and finally discharge from the other end of the cylindrical packing after the multi-stage baffle of the baffle. Regular flushing can realize hydraulic flushing and automatic cleaning of the scaling on the surface of the packing, excess sludge and slurry residue, etc., and finally achieve the purpose of online anti-blocking of the packing and efficient and stable operation of the system.

To sum up, due to the adoption of the above-mentioned technical solutions, the beneficial effects of the present utility model are:

(1) By designing the multi-stage cylindrical combined packing arranged in the horizontal direction, the device of the present utility model has fast mud hanging on the surface of the packing in the spraying stage, even film hanging and is not easy to block. Multi-stage baffle, effectively prolong the residence time of odor in the packing layer, increase the contact area of gas and liquid, and deodorize efficiently and quickly;

(2) The device of the present invention is designed by designing several retractable backwashing pipes on both sides of the turntable, and the backwashing nozzles correspond to the inlet and outlet ends of the cylindrical combined packing one by one, and combined with the forward and reverse rotation control of the turntable, the realization of Full-coverage on-line dredging of the filling in the turntable, the entire backwashing process is easy to operate, low in water and power consumption, and efficient and continuous in operation.

Description of drawings

Fig. 1 is the front view schematic diagram of a kind of baffled air passage cylinder-type turntable deodorizing device of the present invention;

Fig. 2 is A-A direction schematic diagram in Fig. 1;

Fig. 3 is the structural representation of the outer frame of the deodorizing turntable;

Fig. 4 is the structural representation of the belt surface and the disc surface of the outer frame;

Figure 5 is a front view of a multi-stage cylindrical combined packing deodorizing turntable;

Fig. 6 is the top view of the multi-stage barrel type combined packing type deodorizing turntable;

Figure 7 is a schematic structural diagram of a single cylindrical combined packing.

Among them, the air inlet 1-1, the pre-washing pipe 1-2, the air distribution hole plate 1-3, the first spray pipe 1-4, the maintenance manhole 1-5, the second spray pipe 1-6, the deodorization Turntable 1-7, Outer Frame 1-7-1, Belt Surface 1-7-1a, Disc Surface 1-7-1b, Packing Layer 1-7-2, Packing 1-7-2a, Baffle 1- 7-3, backwash pipe 1-8, air outlet 1-9, defogging layer 1-10, defogging layer backwash pipe 1-11, rotating shaft 1-12, drive motor 1-13, fixed support 1- 14. Liquid outlet 1-15, liquid collecting swash plate 1-16, lower half-area housing 1-17, upper half-area housing 1-18.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present invention more clear, preferred embodiments are given below to further describe the present invention in detail. It should be noted, however, that many of the details listed in the specification are only for the purpose of giving the reader a thorough understanding of one or more aspects of the present invention, and these aspects of the present invention may be practiced without these specific details.

As shown in Figures 1-2, the present utility model is a baffled air passage cylindrical turntable deodorizing device, comprising a deodorizing housing, a deodorizing turntable 1-7, a rotating shaft 1-12 and a driving device, the deodorizing housing It is composed of an upper half-area housing 1-18 and a lower half-area housing 1-17. The upper half-area housing 1-18 is provided with an air inlet 1-1, a deodorizing turntable 1-7 and an air outlet. 1-9, the bottom of the lower half-area shell 1-17 is provided with a liquid discharge port 1-15; the deodorizing turntable 1-7 is provided with an air inlet 1-1 and an air outlet 1 in the deodorizing shell Between -9, a spray pipe is arranged above the deodorization turntable 1-7, and the spray pipe includes a symmetrically arranged first spray pipe 1-4 and a second spray pipe 1-6. The deodorization turntable 1 Both sides of -7 are provided with backwash pipes 1-8, the deodorizing turntable 1-7 includes an outer frame 1-7-1 and an inner packing layer 1-7-2, the packing layer 1-7-2 is composed of It is composed of multi-stage cylindrical combined packing 1-7-2a arranged in parallel along the horizontal direction; the driving device is arranged on the outer side of the lower half-area shell 1-17, and the driving device is connected to the deodorizing turntable 1 through the rotating shaft 1-12. -7 connection, the driving device in this embodiment is a driving motor 1-13; the upper half-area shell 1-17 is also provided with a pre-washing pipe 1-2 and an air distribution hole plate 1-3, the pre-washing pipe 1 -2 and the air distribution hole plate 1-3 are arranged between the air inlet 1-1 and the deodorizing turntable 1-7, one end of the pre-washing pipe 1-2 is arranged on the top of the deodorizing shell, and the other end extends to the Inside the deodorizing shell, both ends of the air distribution orifice plate 1-3 are arranged in the deodorizing shell; the backwashing pipe 1-8 is a retractable backwashing pipe, and the backwashing pipe 1-8 There are flushing nozzles facing the surfaces of the deodorizing turntables 1-7. The effluent of the secondary sedimentation tank or the tap water of the plant area is used as the backwash water. The nozzles on each backwash pipe 1-8 correspond to the inlet and outlet ends of the cylindrical combined packing one by one, so as to ensure that the full range of the packing along the horizontal direction of the turntable is free of Dead zone backwash override. As shown in Fig. 3-4, the outer frame 1-7-1 is in a wheel disc structure, including a wheel belt surface 1-7-1a and a disc surface 1-7-1b. The disc surface 1-7 -1b is set on both sides of the belt surface 1-7-1a. Among them, the belt surface 1-7-1a is surrounded by a stainless steel punching panel or a steel wire screen, and the disc surface 1-7-1b is a stainless steel punching panel, and the opening positions correspond to the air intake ends of the cylindrical combined packing one by one. , optimally satisfies the smooth progress of spraying, air passing and backwashing; the top of the upper half of the casing 1-18 is provided with a maintenance manhole 1-5, and the air outlet 1-9 is provided with a defogger Layer 1-10, the anti-mist layer 1-10 is provided with a backwash pipe 1-11 for the anti-mist layer; the bottom of the lower half-area shell 1-17 is provided with a liquid collecting swash plate 1-16; The upper half-area housing 1-18 is in a semicircular structure, and the lower half-area housing 1-17 is in a square structure; both sides of the lower half-area housing 1-17 are provided with fixed supports 1-14 , the driving device and the two ends of the rotating shaft 1-12 are arranged on the fixed support 1-14; the rotating shaft 1-12 and the deodorizing turntable 1-7 can rotate synchronously in the forward or reverse direction.

Preferably, the multi-stage cylindrical combined packing is made up of lightweight spherical packings 1-7-2a which are evenly connected in series into chain ball units through a locking rope and then tightly arranged according to a hollow cylindrical structure, and the cylindrical combined packings 1-7- A number of baffles 1-7-3 are arranged in the middle of 2a, and the baffles 1-7-3 are used to baffle the odor; The card position rope adopts stainless steel thin rope or elastic nylon rope.

As shown in Figures 1 to 2, the air inlet 1-1 of the present invention can adopt axial air intake, radial air intake and tangential air intake, and the odor entering the deodorizing housing is pre-washed The pipe 1-2 is sprayed and pre-washed, and after the uniform air distribution through the air distribution orifice plate 1-3, it is introduced into the deodorizing turntable 1-7 along the axial direction. The top of each stage of deodorization turntable 1-7 is provided with double-layer spray pipes, namely the first spray pipe 1-4 and the second spray pipe 1-6, to ensure that the flow of spray liquid in the deodorization process meets the technological requirements. The activated sludge slurry in the aeration tank is sprayed with liquid, and its sludge content and total suspended solids concentration can be automatically adjusted in real time according to the odor concentration. There are multiple pairs of backwashing pipes 1-8 installed on both sides of the deodorizing turntable 1-7 of each stage. The backwashing water adopts the effluent from the secondary sedimentation tank of the sewage station. The nozzles on each pair of backwashing pipes 1-8 are parallel and offset. Arrangement to ensure that there is no dead zone along the entire radial range of the turntable 1-7 during the backwashing process.

As shown in Fig. 3-Fig. 4, the outer frame 1-7-1 of the deodorizing turntable 1-7 of the present invention is a wheel-shaped structure, and is composed of a wheel belt surface 1-7-1a and a disc surface 1-7 -1b composition, in which the tire surface 1-7-1a is surrounded by stainless steel punching panel or wire mesh, the disc surface 1-7-1b is made of stainless steel punching panel, and the opening position is the same as that of the packing layer 1-7-2 The air inlet ends of the air inlets correspond to each other one by one, which optimally satisfies the smooth progress of the spraying, air passing and backwashing processes. The spray slurry is sprayed into the inner packing layer 1-7-2 through the belt surface 1-7-1a of the outer frame 1-7-1 of the turntable. In order to ensure the spray penetration effect, the opening of the belt surface 1-7-1a The rate must be greater than or equal to 65%; the odorous gas enters through the disc surface 1-7-1b of the turntable frame 1-7-1, and contacts the packing layer 1-7-2 after being sprayed and wetted, resulting in gas-liquid mass transfer and For biological deodorization, in order to use the cross section of the filler as much as possible, save the equipment manufacturing materials and floor space, and at the same time meet the requirements of backwashing, the opening rate of the outer frame 1-7-1 element disk surface must also be ≥ 65%.

As shown in Figures 5-7, the inner packing layer 1-7-2 of the deodorizing turntable 1-7 of the present invention adopts a plurality of cylindrical combined packing units, and each cylindrical combined unit is composed of several chain ball packings. It is formed and arranged in parallel and multi-layer along the horizontal direction of the deodorizing turntable 1-7. The length of a single cylindrical combined packing unit can be shortened or extended according to actual needs. The cylindrical combined packing unit is provided with several baffles to deflect the odor in multiple stages.

When the device is running, start the drive motor 1-13, the deodorizing turntable 1-7 rotates, and the spray liquid after swirl separation and slurry dilution is sent to the first spray on the top of the deodorizing turntable 1-7 at all levels through the feed pump. Shower pipe 1-4 and second spray pipe 1-6. The spray liquid is sprayed into the packing layer 1-7-2 through the belt surface 1-7-1a of the outer frame 1-7-1 of the deodorizing turntable, and interacts with the horizontally arranged multi-stage cylindrical combined packing, and the active pollution is reduced. The mud liquid adheres and hangs on the surface and inside of the filler, and the microorganisms grow rapidly and multiply by the film.

After the filling layer 1-7-2 is evenly coated with film and mud, the odorous gas is passed from the air inlet 1-1 to the rotary table deodorization device, and the odorous gas passes through the pre-washing pipe 1-2 and the air-distributing orifice plate 1 in sequence in the device. -3 spray pre-washing and uniform air distribution, enter the turntable packing layer 1-7-2 from the disk surface of the turntable frame 1-7-1 in the axial direction, and hang the film on the combined packing of the cylinder type. The growing microorganisms are in contact with the activated sludge slurry, and gas-liquid mass transfer occurs rapidly. The odor components are effectively intercepted, absorbed and adsorbed, and then removed by acid-base neutralization reaction and biodegradation. After purification, the exhaust gas passes through the defogging layer 1-10 After processing, it is discharged from the air outlet 1-9. The process highly integrates physical adsorption, chemical absorption and biodegradation, and achieves fast and efficient capture and purification of malodorous gases in a relatively compact and limited space.

After the system runs continuously for a period of time, according to the total pressure difference of the packing layer 1-7-2 inside the horizontal turntable deodorizer and the mud on the packing surface, the pairs of backwash pipes 1-8 on both sides of the turntable 1-7 are automatically opened. Use the effluent from the secondary sedimentation tank of the sewage station or clean water for short-term backwashing. During the backwashing, the drive motors 1-13 perform alternating forward and reverse frequency conversion rotation, and cooperate with the backwashing to wash away a small amount of sludge and pulp residue potentially accumulated on the surface of the packing.

The sludge slurry after spray washing or backwashing is rotated by the deodorizing turntable 1-7 and falls to the liquid collecting inclined plate 1-16 by gravity, and finally discharged into the aeration tank through the liquid discharge port 1-15. A small amount of unreacted odorous substances can be completely degraded by a large number of activated sludge bacteria in the aeration tank.

During the operation of the device, the automatic control system conducts real-time monitoring, analysis and feedback on parameters such as the inlet and outlet exhaust gas volume, exhaust gas concentration, temperature, slurry suspended matter content, and packing pressure drop of the deodorizing tower. The frequency and motor speed are automatically adjusted to achieve optimal operating conditions, and the entire deodorization process and system are organically combined to achieve precise control of the operating process.

The above are only the preferred embodiments of the present invention. It should be pointed out that for those skilled in the art, some improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications It should also be regarded as the protection scope of the present invention.

Claims (10)

1. a baffled airway cylinder type rotary table deodorizing device, it is characterized in that: comprise deodorizing shell, deodorizing rotary table, rotating shaft and drive device, and described deodorizing shell is composed of upper half-area casing and lower half-area casing. The upper half of the shell is provided with an air inlet, a deodorizing turntable and an air outlet, and the bottom of the lower half of the housing is provided with a liquid outlet; the deodorizing turntable is arranged on the deodorizing shell Between the air inlet and the air outlet in the body, a spray pipe is arranged above the deodorizing turntable, and backwash pipes are arranged on both sides of the deodorizing turntable. The deodorizing turntable includes an outer frame and an inner packing layer, so The packing layer is composed of multi-stage cylindrical combined packing arranged in parallel along the horizontal direction; the driving device is arranged on the outer side of the lower half-area shell, and the driving device is connected with the deodorizing turntable through a rotating shaft. 2 . The baffled air passage cylinder-type turntable deodorizing device according to claim 1 , wherein the multi-stage cylinder-type combined packing is made of light spherical packings and is evenly connected in series into a chain ball unit through a clamping rope and then pressed into a hollow cylindrical shape. 3 . The structure is tightly arranged, and several baffles are arranged in the middle of the cylindrical combined packing. 3 . The baffled airway cylinder-type turntable deodorizing device according to claim 2 , wherein the light-weight spherical filler is made of light-weight and high-surface-area hollow balls, and the latching rope is made of stainless steel string or elastic nylon rope. 4 . . 4 . The baffled air passage drum-type turntable deodorizing device according to claim 1 , wherein the upper half-area shell is further provided with a pre-washing pipe and an air-distributing orifice plate, and the pre-washing pipe and the air-distributing orifice plate are also provided. 5 . It is arranged between the air inlet and the deodorizing turntable. One end of the pre-washing pipe is arranged on the top of the deodorizing shell, and the other end extends to the inside of the deodorizing shell. inside the stinky shell. 5 . The baffled air passage cylinder-type turntable deodorizing device according to claim 1 , wherein the backwashing pipe is a retractable backwashing pipe, and the backwashing pipe is provided with a surface facing the deodorizing turntable. 6 . flushing nozzle. 6 . The baffled air passage cylinder-type turntable deodorizing device according to claim 1 , wherein the outer frame is in a wheel-disk-type structure, comprising a wheel belt surface and a disk surface, and the disk surface is arranged on the wheel surface. 7 . With face on both sides. 7 . The baffled air passage cylinder-type turntable deodorizing device according to claim 1 , wherein a manhole for inspection is provided on the top of the upper half of the casing. 8 . 8 . The baffled air passage cylinder-type turntable deodorizing device according to claim 1 , wherein a defogging layer is arranged in the air outlet, and a backwashing pipe for the defogging layer is arranged below the defogging layer. 9 . 9 . The baffled air passage drum-type turntable deodorizing device according to claim 1 , wherein: the bottom of the lower half-area shell is provided with a liquid collecting swash plate; the upper half-area shell is semicircular. 10 . structure, the lower half-area shell has a square structure. 10 . The baffled air passage cylinder-type turntable deodorizing device according to claim 1 , wherein the two sides of the lower half-area shell are provided with fixed supports, and the two ends of the driving device and the rotating shaft are provided in the 10 . on the fixed support.

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