CN219399494U - Waste gas treatment spray tower in hazardous waste processing - Google Patents

Abstract

The utility model relates to the technical field of hazardous waste treatment and discloses an exhaust gas treatment spray tower in hazardous waste processing, wherein a dust fall mechanism is arranged at the lower half part of a cavity of a tower body, a spray mechanism is arranged at the middle part of the cavity of the tower body, a coarse filter screen and a fine filter screen are sequentially arranged in a first drawing ring frame from bottom to top, an adsorption filter screen and a drying filter screen are sequentially arranged in a second drawing ring frame from bottom to top, and an exhaust fan is arranged at an air outlet at the top of the tower body. According to the utility model, the spray mechanism in the rotary swing adjusting mode can push the spray header to spray and keep dynamic swing, replaces the traditional mode of combining the spray of the static spray header with sedimentation, can improve the spray range of the spray header water body spray, enables the water body to spray to all positions, and can comprehensively combine and sedimentate with waste gas, thereby improving the comprehensiveness of waste gas spray sedimentation combination.

Description

Waste gas treatment spray tower in hazardous waste processing

Technical Field

The utility model relates to the technical field of hazardous waste treatment, in particular to a waste gas treatment spray tower in hazardous waste processing.

Background

With the development of industry, hazardous waste discharged in industrial production processes is increased, namely, hazardous waste has one or more of corrosive, toxic, inflammable, reactive or infectious hazardous characteristics, hazardous waste is not excluded, and the hazardous waste possibly has harmful effects on environment or human health, needs to be managed according to the hazardous waste, and various types of hazardous waste, including solid and gaseous hazardous waste, especially, for the gaseous hazardous waste generated by alkyd thinner, paint and the like, is directly discharged into the atmosphere, and is extremely easy to pollute the ecological environment, so that when the gaseous hazardous waste is discharged, a spray tower is generally required to carry out spray adsorption decomposition on harmful substances in the hazardous waste, for example, the prior patent technology shows that:

through searching, the Chinese patent net discloses a spray tower (publication No. CN 211659576U) for waste gas treatment, and the device pumps water into the filter cartridge through the operation of a water suction pump, and leads the water into the water guide ring and the transverse pipe through a water guide pipe, so that the water is sprayed out through a spray head, and the waste gas in the water guide ring and the transverse pipe is sprayed and purified. However, there are some disadvantages to the spray towers adopted in the above-mentioned published patents and the existing market: such utilizes water guide ring and violently pipe to lead in water to atomising head with water spun mode, and the blowout track of its water often sprays out along appointed direction, and to spraying the position outside the track, the water often can't relate to, when leading to waste gas to circulate in the position outside the track, can't combine with the water, and it is comparatively incomplete to combine the subsidence to spray of its inside harmful substance, and it is comparatively low to the subsidence efficiency that sprays of waste gas. To this end, one skilled in the art provides an exhaust gas treatment spray tower in hazardous waste processing to solve the problems set forth in the background art.

Disclosure of Invention

The utility model mainly aims to provide an exhaust gas treatment spray tower in hazardous waste processing, which can effectively solve the problems that in the prior art, a water body is sprayed out by utilizing a spray head, a spraying track of the water body is often sprayed out along a specified direction, the water body is often not involved in the direction beyond the spraying track, so that exhaust gas cannot be combined with the water body when flowing in the direction beyond the track, and spraying combination sedimentation of harmful substances in the water body is relatively incomplete.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides an exhaust-gas treatment spray column in hazardous waste processing, includes the tower body, the cavity lower half of tower body is provided with dust fall mechanism, and one side of tower body is provided with the air-blower that links to each other with dust fall mechanism bottom air inlet, the cavity middle part of tower body is provided with spraying mechanism, and the cavity upper half of tower body is followed supreme first pull ring frame, the second pull ring frame of block in proper order down, coarse filter screen, the smart filter screen of installing in proper order down in the inside of first pull ring frame, absorption filter screen, dry filter screen are installed in proper order from lower supreme in the inside of second pull ring frame, the top gas outlet of tower body is provided with the air discharge fan.

As still further aspects of the utility model: the dust fall mechanism comprises a cyclone tank, a drain valve is connected to the bottom end of a cone of the cyclone tank, an inner flange is arranged on the upper half part of a tank body of the cyclone tank, and guide screw teeth are arranged on the inner wall of the cyclone tank.

As still further aspects of the utility model: the guide wire teeth are of a spiral structure, and the spiral wire teeth of the guide wire teeth face upwards.

As still further aspects of the utility model: the spraying mechanism comprises an outer assembly ring frame and an inner transmission shell, wherein three groups of arm force brackets are fixedly connected between the outer assembly ring frame and the inner transmission shell through being arranged in a star-delta symmetrical mode, a plurality of groups of bearing sleeves are annularly arranged between the outer assembly ring frame and the inner transmission shell, a spraying pipe is connected between two adjacent bearing sleeves, a plurality of groups of spraying heads are equidistantly arranged at the bottom water outlet of the spraying pipe, a water inlet of the spraying pipe is connected with a water inlet hose, a water inlet of the water inlet hose is connected with a flow divider penetrating through a tower body, a bevel gear A is arranged inside a cavity of the inner transmission shell, a transmission motor is arranged at the bottom of the inner transmission shell, and an output end of the transmission motor extends to the inside of the cavity of the inner transmission shell.

As still further aspects of the utility model: the teeth of the bevel gear B are in fan-shaped arrangement, and the teeth of the bevel gear B are meshed with the teeth of the bevel gear A.

As still further aspects of the utility model: the folding ends of the first drawing ring frame and the second drawing ring frame are provided with semi-annular clamping strips, the first drawing ring frame and the second drawing ring frame are clamped with the tower body in a guiding way through the semi-annular clamping strips, and the first drawing ring frame and the second drawing ring frame are symmetrically arranged in a ninety-degree included angle mode.

As still further aspects of the utility model: the coarse filter screen and the fine filter screen are respectively a stainless steel filter screen and a HEPA filter screen, and the adsorption filter screen and the drying filter screen are respectively an active carbon filter screen and a sponge filter screen.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the industrial waste gas is pumped by the blower and flows downwards in the cyclone spiral guide of the dust falling mechanism, so that the industrial waste gas can uniformly circulate upwards along the spiral direction on one hand, the uniform stability of waste gas conveying is improved, and on the other hand, large particulate matters in the waste gas can be isolated on the inner wall of the dust falling mechanism by spiral guide of the waste gas, and then the large particulate matters can automatically fall under the action of gravity, so that the difficulty of spraying and sedimentation is reduced.

2. According to the utility model, the spray mechanism in the rotary swing adjusting mode can push the spray header to spray and keep dynamic swing, replaces the traditional mode of combining the spray of the static spray header with sedimentation, can improve the spray range of the spray header water body spray, enables the water body to spray to all positions, and can comprehensively combine and sedimentate with waste gas, thereby improving the comprehensiveness of waste gas spray sedimentation combination.

3. According to the utility model, the four groups of filter screens are accommodated by the two groups of drawing ring frames in a drawing mode, so that the filter screens have good filtering, adsorbing and drying performances, the filtering and purifying performances of waste gas can be ensured, and on the other hand, the filter screens are convenient to assemble and disassemble by workers at regular intervals.

Drawings

FIG. 1 is a schematic diagram of a waste gas treatment spray tower in hazardous waste processing according to the present utility model;

FIG. 2 is a schematic diagram of the internal structure of an exhaust gas treatment spray tower in hazardous waste processing according to the present utility model;

FIG. 3 is a schematic view of the structure of a dust settling mechanism in an exhaust gas treatment spray tower in hazardous waste processing according to the present utility model;

FIG. 4 is a schematic diagram of the structure of a spray mechanism in a waste gas treatment spray tower in hazardous waste processing according to the present utility model;

fig. 5 is a top view of a spray mechanism in an exhaust treatment spray tower in hazardous waste processing according to the present utility model.

In the figure: 1. a tower body; 2. a blower; 3. the first drawing ring frame; 4. the second drawing ring frame; 5. an exhaust fan; 6. a dust fall mechanism; 61. a cyclone tank; 62. an inner flange; 63. a guide wire tooth; 64. a blow-down valve; 7. a spraying mechanism; 71. an outer assembly ring frame; 72. an inner drive housing; 73. a water inlet hose; 74. a shunt; 75. a drive motor; 76. a spray header; 77. a bearing sleeve; 78. a shower pipe; 79. bevel gears A; 710. bevel gear B; 711. arm strength support; 8. a coarse filter screen; 9. fine filtering net; 10. adsorbing a filter screen; 11. and (5) drying the filter screen.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-5, an exhaust gas treatment spray tower in hazardous waste processing includes a tower body 1, the lower half of a cavity of the tower body 1 is provided with a dust settling mechanism 6, and one side of the tower body 1 is provided with a blower 2 connected with an air inlet at the bottom of the dust settling mechanism 6, the dust settling mechanism 6 includes a cyclone tank 61, the cone bottom end of the cyclone tank 61 is connected with a blow-down valve 64, the upper half of the tank body of the cyclone tank 61 is provided with an inner flange 62, the inner wall of the cyclone tank 61 is provided with a guide wire tooth 63, the guide wire tooth 63 is of a spiral structure, the spiral wire tooth of the guide wire tooth 63 faces upwards, when the spray tower is used for spraying and purifying industrial exhaust gas such as dilute materials, the industrial exhaust gas is pumped into the cyclone tank 61 of the dust settling mechanism 6 by using the blower 2, then the guide wire tooth 63 of the spiral structure is used for conducting the exhaust gas upwards in a spiral direction, and in the spiral flow direction of the exhaust gas is enabled, in the spiral flow direction of the exhaust gas, and in the spiral flow guiding process of the exhaust gas, the guide wire tooth 63 and the inner flange 62 are combined, large particles in the exhaust gas can be isolated on the inner wall of the dust settling mechanism 6, the gravity is enabled to fall down, and then the sedimentation difficulty is greatly reduced, and the particles are independently settled and then sprayed and the particles are sprayed and the upward are carried.

The middle part of a cavity of the tower body 1 is provided with a spraying mechanism 7, the spraying mechanism 7 comprises an outer assembly ring frame 71 and an inner transmission shell 72, the outer assembly ring frame 71 and the inner transmission shell 72 are fixedly connected through three groups of arm force brackets 711 which are arranged in a star-delta symmetrical manner, a plurality of groups of bearing sleeves 77 are annularly arranged between the outer assembly ring frame 71 and the inner transmission shell 72, a spray pipe 78 is connected between two adjacent bearing sleeves 77, a plurality of groups of spray heads 76 are equidistantly arranged at the bottom water outlet of the spray pipe 78, the top water inlet of the spray pipe 78 is connected with a water inlet hose 73, the water inlet of the water inlet hose 73 is connected with a flow divider 74 penetrating through the tower body 1, a bevel gear A79 is arranged in the cavity of the inner transmission shell 72 at one end of a pipeline of the spray pipe 78, a transmission motor 75 is arranged at the bottom of the inner transmission shell 72, a bevel gear B710 is arranged in the cavity of the inner transmission shell 72 at the output end of the transmission motor 75, in the process of spraying and purifying industrial waste gas such as alkyd thinner by using a spray tower, when the waste gas circulates in the tower body 1, water is shunted and conveyed into the water inlet hose 73 by the shunt 74, the water is shunted and conveyed into the spray pipes 78, then sprayed out and combined with the waste gas to settle under the spraying of the plurality of groups of spray heads 76, so that harmful substances in the waste gas are dissolved in the water, while spraying and settling the waste gas, the transmission motor 75 synchronously works to drive the bevel gear B710 to rotate, the intermittent meshing transmission of the teeth arranged in a fan shape and the bevel gear A79 sequentially pushes the plurality of groups of spray pipes 78 to swing in an intermittent manner, so that the spray heads 76 swing left and right freely under the thrust action, to increase the spray range of the spray header 76, enhance the overall combined sedimentation with the exhaust gas, and ensure the overall combined sedimentation of the water mist and the exhaust gas.

The first pull ring frame 3, second pull ring frame 4 have been block in proper order from bottom to top to the cavity upper half of tower body 1, first pull ring frame 3 all is provided with half annular clamping strip with the involution end of second pull ring frame 4, and first pull ring frame 3 all is through half annular clamping strip and the directional block of tower body 1 with second pull ring frame 4, first pull ring frame 3 is ninety degrees contained angle symmetry arrangement setting with second pull ring frame 4, in the industrial waste gas such as utilize the spray column to alkyd thinner material to spray purification working process, through utilizing half annular clamping strip and the directional block of tower body 1, can be convenient for the staff to take out first pull ring frame 3 and second pull ring frame 4 in proper order from tower body 1, regularly change, clean the work to its inside filter screen, and be the first pull ring frame 3 and the second pull ring frame 4 of ninety degrees contained angle symmetry arrangement setting, can reduce tower body 1 unilateral hole groove atress intensity, the condition that the tower body 1 top is overweight appears is avoided.

The inside of first pull ring frame 3 is installed coarse filter screen 8, smart filter screen 9 in proper order from bottom to top, the inside of second pull ring frame 4 is installed adsorption filter screen 10 from bottom to top in proper order, dry filter screen 11, the top gas outlet of tower 1 is provided with air discharge fan 5, coarse filter screen 8 and smart filter screen 9 are stainless steel filter screen respectively and HEPA filter screen, adsorption filter screen 10 and dry filter screen 11 are active carbon filter screen respectively and sponge filter screen respectively, in the industrial waste gas such as alkyd thinner is sprayed purification work process to the utilization spray column, air discharge fan 5 synchronous operation, pump the inside waste gas of tower 1, upwards pump the waste gas, flow through coarse filter screen 8 in proper order, smart filter screen 9, adsorption filter screen 10 and dry filter screen 11, in the circulation process, carry out dual impurity filtration to the waste gas, adsorb purification, dry work, make the waste gas after the spray subsides filter purification again, the waste gas after the purification is discharged to the atmosphere.

The working principle of the utility model is as follows: when the spray tower is used for spraying and purifying industrial waste gas such as alkyd thinner, the industrial waste gas is pumped by the blast of the blast blower 2 and is pumped into the cyclone tank 61 of the dust settling mechanism 6, then the waste gas is led upwards in a spiral direction by using the spiral guide wire teeth 63 of the spiral structure in the cyclone tank 61, the waste gas is led upwards to circulate and convey along the spiral direction, in the spiral guide process of the waste gas, the combination of the guide wire teeth 63 and the inner flange 62 can isolate large particulate matters in the waste gas on the inner wall of the dust settling mechanism 6, then the large particulate matters automatically fall under the action of gravity, the difficulty of spray settling is reduced, the waste gas after cyclone guide is conveyed upwards to perform spray settling work, when the waste gas circulates in the tower body 1, the water body is led into the water inlet hose 73 in a split way through the splitter 74, and the water body is led into the spray pipe 78, then, the water body is sprayed out under the spraying of the plurality of groups of spray heads 76, the water body is combined with the waste gas to settle, the harmful substances in the waste gas are dissolved in the water body, while the waste gas is sprayed and settled, the transmission motor 75 synchronously works to drive the bevel gear B710 to rotate, the plurality of groups of spray pipes 78 are sequentially pushed to intermittently swing through the intermittent meshing transmission of the teeth arranged in a fan shape and the bevel gear A79, the spray heads 76 are enabled to freely swing left and right under the thrust action, so that the spraying range of the spray heads 76 is improved, the sprayed and combined waste water is discharged outside through the blow-off valve 64 of the dust settling mechanism 6 under the action of gravity, further, the exhaust fan 5 synchronously works in the spraying and purifying working process of the waste gas such as alkyd thinner by utilizing the spray tower, the waste gas in the tower body 1 is pumped upwards, and the waste gas sequentially flows through the coarse filter screen 8, the fine filter screen 9, the adsorption filter screen 10 and the drying filter screen 11 perform double impurity filtering, adsorption purification and drying operation on the exhaust gas in the circulation process, so that the exhaust gas after spray sedimentation is filtered and purified again, and then the purified clean exhaust gas is discharged to the atmosphere.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (7)

1. Waste gas treatment spray column in hazardous waste processing, including tower body (1), its characterized in that, cavity lower half of tower body (1) is provided with dust fall mechanism (6), and one side of tower body (1) is provided with air-blower (2) that link to each other with dust fall mechanism (6) bottom air inlet, the cavity middle part of tower body (1) is provided with spraying mechanism (7), and cavity upper half of tower body (1) from supreme first pull ring frame (3), second pull ring frame (4) of block in proper order down, coarse filter screen (8), smart filter screen (9) are installed in proper order from lower supreme in the inside of first pull ring frame (3), adsorption filter screen (10), dry filter screen (11) are installed in proper order from lower to upper in the inside of second pull ring frame (4), the top gas outlet of tower body (1) is provided with air discharge fan (5).

2. The waste gas treatment spray tower in hazardous waste processing according to claim 1, wherein the dust settling mechanism (6) comprises a cyclone tank (61), a drain valve (64) is connected to the cone bottom end of the cyclone tank (61), an inner flange (62) is arranged on the upper half part of the tank body of the cyclone tank (61), and a diversion thread (63) is arranged on the inner wall of the cyclone tank (61).

3. The waste gas treatment spray tower for hazardous waste processing according to claim 2, wherein the guide wire teeth (63) are of a spiral structure, and the spiral wire teeth of the guide wire teeth (63) face upwards.

4. The waste gas treatment spray tower in hazardous waste processing according to claim 1, wherein the spray mechanism (7) comprises an outer assembly ring frame (71) and an inner transmission shell (72), the outer assembly ring frame (71) is fixedly connected with the inner transmission shell (72) through three groups of arm force brackets (711) which are arranged in a star-delta symmetrical mode, a plurality of groups of bearing sleeves (77) are annularly arranged between the outer assembly ring frame (71) and the inner transmission shell (72), spray pipes (78) are connected between two adjacent bearing sleeves (77), a plurality of groups of spray heads (76) are equidistantly arranged at the bottom water outlet of each spray pipe (78), a water inlet hose (73) is connected to the top water inlet of each spray pipe (78), the water inlet of each water inlet hose (73) is connected with a shunt (74) penetrating through the tower body (1), a bevel gear A (79) is arranged inside a cavity of each inner transmission shell (72) at one end of a pipeline of each spray pipe (78), a transmission motor (75) is arranged at the bottom of each inner transmission shell (72), and a transmission motor (75) is arranged inside the cavity (710).

5. The exhaust gas treatment spray tower for hazardous waste processing according to claim 4, wherein teeth of the bevel gear B (710) are arranged in a fan shape, and teeth of the bevel gear B (710) are engaged with teeth of the bevel gear a (79).

6. The waste gas treatment spray tower in hazardous waste processing according to claim 1, wherein semi-annular clamping strips are arranged at the involution ends of the first pull ring frame (3) and the second pull ring frame (4), the first pull ring frame (3) and the second pull ring frame (4) are clamped with the tower body (1) in a guiding manner through the semi-annular clamping strips, and the first pull ring frame (3) and the second pull ring frame (4) are symmetrically arranged in a ninety-degree included angle.

7. The waste gas treatment spray tower in hazardous waste processing according to claim 1, wherein the coarse filter screen (8) and the fine filter screen (9) are respectively a stainless steel filter screen and a HEPA filter screen, and the adsorption filter screen (10) and the drying filter screen (11) are respectively an activated carbon filter screen and a sponge filter screen.