CN216604586U

CN216604586U - Spray tower

Info

Publication number: CN216604586U
Application number: CN202123433349.9U
Authority: CN
Inventors: 于华锋; 任海霞; 刘胜利; 张聪聪; 张亚洲; 李亮
Original assignee: Hebei Xmf Tools Group Co ltd
Current assignee: Hebei Xmf Tools Group Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-05-27
Anticipated expiration: 2031-12-30

Abstract

The utility model relates to a spray column, it includes spray column, including tower body, air exhauster, spray cylinder and shower, the tower body is located between air exhauster and the spray cylinder, the tower body is located the spray cylinder top, tower body intercommunication air exhauster and spray cylinder, the spray cylinder intercommunication has the air-supply line that is used for gaseous entering, shower one end is located the spray cylinder, and the shower is located one side that the spray cylinder is close to the tower body. This application has the effect of the waste gas that produces when purifying the saw bit and spraying paint.

Description

Spray tower

Technical Field

The application relates to the technical field of waste gas treatment, in particular to a spray tower.

Background

In order to increase the smoothness, brightness and color vividness of the surface of the saw blade in the production process of the saw blade, the saw blade needs to be painted.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: a large amount of toxic exhaust gas is generated during the painting process of the saw blade.

SUMMERY OF THE UTILITY MODEL

In order to purify the waste gas that produces when the saw bit sprays paint, this application provides spray column.

The spray tower provided by the application adopts the following technical scheme: spray column, including tower body, air exhauster, spray cylinder and shower, the tower body is located between air exhauster and the spray cylinder, the tower body is located the spray cylinder top, tower body intercommunication air exhauster and spray cylinder, the spray cylinder intercommunication has the air-supply line that is used for gaseous entering, shower one end is located the spray cylinder, and the shower is located one side that the spray cylinder is close to the tower body.

Through adopting above-mentioned technical scheme, when spraying paint to the saw bit indoor, place the saw bit in the position that is close to the air-supply line, start the air exhauster this moment and pour into spray solution simultaneously to the shower, waste gas is successively through spray barrel and tower body, waste gas is to being close to air exhauster one side motion, spray solution is successively through tower body and spray barrel, spray solution and waste gas movement track opposite in spray barrel promptly, spray solution and waste gas contact in spray barrel, the impurity that carries in waste gas and the waste gas dissolves in spray solution, and then the effect that the waste gas that produces when having reached the saw bit and spraying paint purifies.

Optionally, one end of the spray cylinder close to the tower body is provided with a swirl blade, and the swirl blade is located in the spray cylinder and is fixedly connected with the spray cylinder.

Through adopting above-mentioned technical scheme, it is internal that spray liquid enters the tower by the shower, spray liquid again after the whirl blade get into in the spray cylinder, when spraying liquid and whirl blade contact, spray liquid and beat the whirl formation swirl on whirl blade upper surface, spray liquid forms the water curtain and gets into in the spray cylinder, has increased the area of contact of spray liquid in the waste gas of spray cylinder, has improved the adsorption effect to waste gas and the impurity that waste gas mix with in the spray cylinder.

Optionally, a buffer assembly is arranged in the spray cylinder, the buffer assembly comprises a water baffle and a bracket for fixing the water baffle, the water baffle is located on one side of the spray cylinder, which deviates from the tower body, the bracket is located below the water baffle, the bracket is fixedly connected with the water baffle and the spray cylinder, and the diameter of the water baffle is smaller than that of the inner wall of the spray cylinder.

By adopting the technical scheme, the spray liquid falls from the spray cylinder and is abutted against the water baffle, and under the action of the water baffle, the spray liquid splashes between the inner wall of the spray cylinder and the water baffle, so that the movement path and time of the spray liquid in the spray cylinder are increased, and the purification effect of the spray tower on waste gas is improved; the spraying liquid is prevented from directly flowing out from the bottom end of the spraying cylinder to pollute the environment; under the effect of the water baffle, the spraying liquid rebounds for multiple times and then leaves the spraying cylinder from a gap formed between the water baffle and the inner wall of the spraying cylinder, and the water baffle plays a role in buffering the falling of the spraying liquid.

Optionally, the bottom end of the spraying cylinder is provided with a material collecting box, and the bottom end of the material collecting box is communicated with a drain pipe.

Through adopting above-mentioned technical scheme, the workbin that gathers materials collects the discharged liquid that sprays in the spray cylinder, and the blow off pipe is with the workbin that gathers materials of impurity discharge in the workbin that gathers materials.

Optionally, a circulating water pipe is communicated between the material collecting box and the spraying pipe, and the circulating water pipe is communicated with a water suction pump.

Through adopting above-mentioned technical scheme, spray liquid and successively get into the case that gathers materials behind tower body and the spray cylinder, the suction pump will gather materials the interior liquid that sprays of incasement and transport again and get into the tower body, avoided spraying the waste that the liquid direct emission leads to in the spray column, realized spraying the cyclic utilization of liquid in the spray column, improved the utilization ratio to spraying the liquid.

Optionally, the circumferential side wall of the spray pipe is communicated with a plurality of spray heads, and the spray heads are arranged above the swirl vanes.

Through adopting above-mentioned technical scheme, the shower head disperses into tiny rivers with the spray liquid in the shower for spray liquid is distributed ground and whirl blade upper surface contact, makes the spray liquid that gets into in the shower be more tiny, dispersion, and then has increased the area of contact between spray liquid and the waste gas, has improved the purifying effect of spray column to waste gas.

Optionally, the communicating has the rose box between workbin and the circulating pipe of gathering, it is provided with the filter between workbin and the rose box to gather, suction pump and rose box intercommunication.

Through adopting above-mentioned technical scheme, the filter filters the impurity that gathers materials in the case, and the liquid after the filtration gets into the rose box, and the suction pump gets back to the spray cylinder again through circulating pipe with the spray liquid in the rose box in, avoids gathering materials the impurity in the incasement and piles up, blocks the shower, has improved the spray effect of shower and the life of spray column, has reached the filtration and the cyclic utilization's of spray liquid in the spray column purpose.

Optionally, a filtering assembly for filtering residual harmful gas in the tower body is arranged in the tower body, the filtering assembly comprises a support frame and a filter element, the support frame is fixedly connected with the tower body, and the filter element is inserted in the support frame; the filter core includes the filter screen and sprays the ball, the filter screen is provided with two, and sprays the ball and be located two between the filter screen.

Through adopting above-mentioned technical scheme, under the effect of air exhauster, the impurity that mix with in waste gas and the waste gas is successively through spray barrel and tower body by the intake pipe, partial impurity with spray liquid reaction dissolve the back and transport to the case that gathers materials in, under the effect of air exhauster, remaining waste gas and continuation tiny particle impurity move to the one side that is close to the air exhauster, waste gas and partial tiny particle impurity are in ascending in-process successively with the filter screen with spray ball contact, tiny particle gets into in the filter screen, spray the impurity that the ball is used for absorbing waste gas in the tower body, spray the ball and carry out secondary filter to waste gas, and the filter screen has played the effect of fixed stay to spray the ball, filtering component has improved the effect of spray column to exhaust purification.

Optionally, the spray cylinder is of a cylindrical tubular structure, an air inlet channel is communicated between the air inlet pipe and the spray cylinder, one end, close to the spray cylinder, of the air inlet channel is of an arc tubular structure, and the air inlet of the air inlet pipe and the air inlet of the spray cylinder are not arranged right.

Through adopting above-mentioned technical scheme, inlet air channel gets into the spray cylinder to waste gas and has the guide effect, again because inlet air channel is the arc structure with the junction of spray cylinder, under the effect of air exhauster for in the waste gas that gets into by the air inlet of air-supply line and the impurity rotation of carrying cut into the spray cylinder, impurity along spray cylinder inner wall swivelling movement, and then prolonged the route of waste gas flow in the spray cylinder, increased the contact time of spraying liquid with waste gas, improved the purifying effect to waste gas.

In summary, the present application includes at least one of the following beneficial technical effects:

1. starting an exhaust fan, injecting spraying liquid into the spraying pipe, and introducing waste gas generated by industrial spray painting into the air inlet pipe; waste gas passes through the spray cylinder and the tower body in sequence, the waste gas moves to one side close to the exhaust fan, spray liquid passes through the tower body and the spray cylinder in sequence, namely the movement tracks of the spray liquid and the waste gas in the spray tower are opposite, the spray liquid and the waste gas are contacted in the spray cylinder, the waste gas and impurities carried in the waste gas are dissolved in the spray liquid, and the effect of purifying the waste gas generated when the saw blade is sprayed with paint is further achieved;

2. the spraying liquid enters the tower body through the spraying pipe, the spraying liquid is in contact with the upper surface of the rotational flow blade, the spraying liquid swirls on the upper surface of the rotational flow blade to form a vortex, and the rotational flow blade enables the spraying liquid to form a water curtain to enter the spraying cylinder, so that the contact area between the spraying liquid and impurities in the spraying cylinder is increased, and the purification effect on the impurities in the spraying cylinder is improved;

3. the inlet air channel and the spray cylinder intercommunication of arc structure, the arc structure gets into the spray cylinder to waste gas and has the guide effect for the impurity rotation that waste gas and waste gas carried cuts into in the spray cylinder, under the effect of air exhauster, waste gas and impurity move along the spray cylinder inner wall is rotatory upwards, have prolonged the time and the route of waste gas flow in the spray cylinder, have increased the contact time of spraying liquid and waste gas, have improved the spray column to exhaust gas purification's effect.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present application;

FIG. 2 is a schematic view showing the construction of a filter box;

FIG. 3 is a partial schematic view showing a swirl vane;

FIG. 4 is a schematic view showing a structure of a buffer assembly;

fig. 5 is a sectional view showing the filter assembly.

Description of reference numerals: 1. a tower body; 11. an exhaust fan; 2. a spray cylinder; 21. a shower pipe; 211. a shower head; 22. an air inlet pipe; 3. a swirl vane; 4. a buffer assembly; 41. a water baffle; 42. a support; 5. a material collecting box; 51. a circulating water pipe; 52. a water pump; 53. a blow-off pipe; 6. a filter box; 61. a filter plate; 7. a filter assembly; 71. a support frame; 72. a filter element; 721. filtering with a screen; 722. spraying a ball; 8. an air inlet channel; 9. a fixing frame.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses a spray tower.

Referring to fig. 1, 2 and 3, the spray tower comprises a tower body 1, an exhaust fan 11, a spray cylinder 2 and a spray pipe 21, wherein the tower body 1 is positioned above the spray cylinder 2, the exhaust fan 11 is positioned on one side of the tower body 1 away from the spray cylinder 2, the tower body 1 is communicated with the exhaust fan 11 and the spray cylinder 2, one end of the spray pipe 21 is positioned in the spray cylinder 2, the spray pipe 21 is positioned on one side of the spray cylinder 2 close to the tower body 1, and the bottom end of the spray cylinder 2 is communicated with an air inlet pipe 22; in the embodiment of the application, the tower body 1 is arranged in a hollow mode, and the spray cylinder 2 is of a cylindrical tubular structure; the bottom end of the spray cylinder 2 is provided with a material collecting box 5, four fixing frames 9 are arranged between the tower body 1 and the material collecting box 5, the fixing frames 9 are respectively arranged at four corners of the upper surface of the material collecting box 5, the fixing frames 9 are fixedly connected with the tower body 1 and the material collecting box 5, and the fixing frames 9 improve the stability between the tower body 1 and the material collecting box 5; a sewage discharge pipe 53 is communicated with one side wall of the material collecting box 5; a circulating water pipe 51 is arranged between the material collecting box 5 and the spraying pipe 21, the circulating water pipe 51 is communicated with the material collecting box 5 and the spraying pipe 21, and the circulating water pipe 51 is communicated with a water suction pump 52; the filtering box 6 is communicated between the material collecting box 5 and the circulating water pipe 51, the filtering plate 61 is arranged between the material collecting box 5 and the filtering box 6, and the water suction pump 52 is communicated with the filtering box 6.

When the saw blade is painted, the saw blade is placed at a position close to the air inlet pipe 22, the exhaust fan 11 is started at the moment, spraying liquid is injected into the spraying pipe 21, waste gas generated by painting of the saw blade enters the spraying cylinder 2 through the air inlet pipe 22, the waste gas and impurities carried in waste move to one side close to the exhaust fan 11 under the action of the exhaust fan 11, the spraying liquid enters the spraying cylinder 2, and the spraying liquid moves to one side away from the exhaust fan 11, namely the spraying liquid and the waste gas move in the spraying cylinder 2 in an opposite direction; the spraying liquid and the waste gas are contacted in the spraying cylinder 2, and the waste gas and impurities carried in the waste gas are dissolved in the spraying liquid, so that the effect of purifying the waste gas in the spraying tower is achieved; impurities generated by reaction of the spray liquid and the waste gas enter the material collecting box 5 along with the spray liquid, the filter plate 61 filters the impurities in the material collecting box 5, the precipitated impurities are discharged from the discharge pipe 53, and the filtered spray liquid enters the filter box 6 again; the water suction pump 52 is started, the water suction pump 52 transports the spraying liquid in the filter box 6 to the tower body 1 again, the cyclic utilization of the spraying liquid is realized, and the effect of purifying waste gas generated by the saw blade is achieved.

Referring to fig. 2, 3 and 4, a swirl blade 3 is arranged in the spray cylinder 2, the swirl blade 3 is positioned at one side of the spray cylinder 2 close to the tower body 1, and the swirl blade 3 is fixedly connected with the spray cylinder 2; shower 21 is located one side that the shower 2 is close to tower body 1, and shower 21 is located swirl blade 3's top, and shower 21 is provided with two, and circulating pipe 51 one end and two shower 21 intercommunications, and shower 21 outer wall intercommunication has a plurality of shower heads 211, and shower head 211 is provided with six in this application embodiment, and shower head 211 is just to laying in swirl blade 3's top.

Spray liquid in the shower 21 gets into in the spray cylinder 2 by shower head 211, shower head 211 makes the dispersed and swirl blade 3 contact of spray liquid that gets into in the spray cylinder 2, and then increased spray liquid and swirl blade 3's area of contact, when spray liquid and swirl blade 3 contact, swirl blade 3 makes spray liquid form the swirl at swirl blade 3 upper surface, spray liquid gets into in the spray cylinder 2 with the mode of water smoke, and then increased the area of contact of spray liquid and waste gas, the purifying effect of spray column to waste gas has been improved.

Referring to fig. 3, an air inlet channel 8 is communicated between the air inlet pipe 22 and the spray cylinder 2, one end of the air inlet channel 8 close to the spray cylinder 2 is an arc-shaped cylindrical structure, and an air inlet of the air inlet pipe 22 is not arranged in the right direction with an air inlet of the spray cylinder 2; the air inlet channel 8 of the arc-shaped structure has a guiding effect on the waste gas entering the spray cylinder 2, so that the waste gas entering from the air inlet of the air inlet pipe 22 and carried impurities are rotationally cut into the spray cylinder 2 and rotationally move along the inner wall of the spray cylinder 2, the flowing path of the waste gas in the spray cylinder 2 is further prolonged, the contact time of spray liquid and the waste gas is prolonged, and the purification effect of the spray tower on the waste gas is improved.

Referring to fig. 4, be provided with buffering subassembly 4 in the spray cylinder 2, buffering subassembly 4 includes breakwater 41 and the support 42 that is used for fixed breakwater 41, breakwater 41 is located one side that spray cylinder 2 deviates from tower body 1, support 42 is provided with threely, the support 42 evenly lays in breakwater 41 below, and support 42 fixed connection breakwater 41 and spray cylinder 2, breakwater 41 is circular platelike structure, and breakwater 41's diameter is less than the inner wall diameter that sprays cylinder 2, the one end that sprays cylinder 2 and deviates from tower body 1 is the binding off form.

The spraying liquid contacts the water baffle 41 when leaving the spraying cylinder 2, and splashes in the spraying cylinder 2 under the action of the water baffle 41, so that the circulation time and path of the spraying liquid in the spraying cylinder 2 are increased, the possibility of contact between the spraying liquid and waste gas is increased, after the spraying liquid rebounds and splashes for multiple times, the spraying liquid falls from a gap formed between the water baffle 41 and the inner wall of the spraying cylinder 2, and the spraying cylinder 2 has a guiding function on the spraying liquid leaving the spraying cylinder 2; the direct discharge gate that follows shower 21 of spraying liquid has been avoided falling, and then has leaded to spraying liquid polluted environment, and breakwater 41 has played the effect of buffering to spraying liquid, and has improved the purifying effect of spraying liquid to waste gas.

Referring to fig. 4, two groups of filter assemblies 7 for filtering residual harmful gas in the tower body 1 are arranged in the tower body 1, each filter assembly 7 comprises a support frame 71 and a filter element 72, the support frames 71 are fixedly connected with the inner wall of the tower body 1, and the filter elements 72 are inserted in the support frames 71; the filter element 72 includes filter screen 721 and sprays the ball 722, and filter screen 721 is provided with two, and sprays the ball 722 and be located between two filter screens 721, and sprays the ball 722 and be provided with a plurality ofly, sprays the ball 722 and is provided with 10, in this application embodiment, sprays the ball 722 and is the polyhedral hollow ball with what polypropylene was made as the raw materials, and filter screen 721 is the metal fiber filter screen 721, and filter assembly 7 is provided with two.

Waste gas with spray liquid reaction back, the large granule that carries in the waste gas gets into case 5 that gathers materials along with spraying liquid in, the remaining tiny particle of part removes to one side that is close to air exhauster 11, and remaining material contacts with filter screen 721 and realizes the filtration to remaining material, sprays the impurity that ball 722 is arranged in absorbing waste gas, has played secondary filter's effect, and filter component 7 is provided with two, has improved the filter effect of filter component 7 to impurity in the tower body 1.

The implementation principle of the spray tower in the embodiment of the application is as follows: when the saw blade is painted, the saw blade is placed at a position close to the air inlet pipe 22, the exhaust fan 11 is started, waste gas generated by the painting saw blade is cut into the spraying cylinder 2 through the rotation of the air inlet channel 8, and under the action of the exhaust fan 11, the waste gas enters the spraying cylinder 2 and then moves to one side close to the exhaust fan 11; meanwhile, spraying liquid is injected into the spraying pipe 21, the spraying liquid is sprayed out from the spraying head 211 and then contacts with the swirl blades 3, the spraying liquid swirls on the upper surfaces of the swirl blades 3 under the action of the swirl blades 3 to form a vortex, and the spraying liquid finally enters the spraying cylinder 2 in a water mist mode; when the spraying liquid is contacted with the waste gas, the waste gas and impurities carried in the waste gas are dissolved in the spraying liquid and enter the material collecting box 5 along with the spraying liquid, the impurities in the material collecting box 5 are filtered by the filter plate 61, the filtered spraying liquid enters the filter box 6, the spraying liquid in the filter box 6 is transported to the tower body 1 again by the water suction pump 52, and further the cyclic utilization of the spraying liquid is realized; the filter assembly 7 carries out secondary filtration to remaining impurity in the tower body 1, has reached the effect that the waste gas that produces when spraying paint to the saw bit purifies.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. Spray column, its characterized in that: including tower body (1), air exhauster (11), a spray cylinder (2) and shower (21), tower body (1) is located between air exhauster (11) and the spray cylinder (2), tower body (1) is located spray cylinder (2) top, tower body (1) intercommunication air exhauster (11) and spray cylinder (2), spray cylinder (2) intercommunication has air-supply line (22) that are used for gaseous entering, shower (21) one end is located spray cylinder (2), and shower (21) are located one side that spray cylinder (2) are close to tower body (1).

2. The spray tower of claim 1, wherein: one end of the spray cylinder (2) close to the tower body (1) is provided with a swirl blade (3), and the swirl blade (3) is positioned in the spray cylinder (2) and is fixedly connected with the spray cylinder (2).

3. The spray tower of claim 1, wherein: be provided with buffer unit (4) in spray cylinder (2), buffer unit (4) include breakwater (41) and be used for support (42) of fixed breakwater (41), breakwater (41) are located one side that spray cylinder (2) deviate from tower body (1), support (42) are located breakwater (41) below, support (42) fixed connection breakwater (41) and spray cylinder (2), and the diameter of breakwater (41) is less than the inner wall diameter of spray cylinder (2).

4. The spray tower of claim 1, wherein: the bottom end of the spray cylinder (2) is provided with a material collecting box (5), and the bottom end of the material collecting box (5) is communicated with a sewage draining pipe (53).

5. The spray tower of claim 4, wherein: a circulating water pipe (51) is communicated between the material collecting box (5) and the spraying pipe (21), and the circulating water pipe (51) is communicated with a water suction pump (52).

6. The spray tower of claim 1, wherein: the circumferential side wall of the spray pipe (21) is communicated with a plurality of spray heads (211), and the spray heads (211) are arranged above the swirl vanes (3) in a right-to-right mode.

7. The spray tower of claim 5, wherein: the filter box is characterized in that a filter box (6) is communicated between the material collecting box (5) and the circulating water pipe (51), a filter plate (61) is arranged between the material collecting box (5) and the filter box (6), and the water suction pump (52) is communicated with the filter box (6).

8. The spray tower of claim 1, wherein: the tower body (1) is internally provided with a filtering component (7) for filtering residual harmful gas in the tower body (1), the filtering component (7) comprises a supporting frame (71) and a filter element (72), the supporting frame (71) is fixedly connected with the tower body (1), and the filter element (72) is inserted in the supporting frame (71); the filter element (72) comprises two filter screens (721) and two spraying balls (722), wherein the spraying balls (722) are positioned between the two filter screens (721).

9. The spray tower of claim 1, wherein: spray barrel (2) are cylindrical tubular structure, the intercommunication has inlet air duct (8) between air-supply line (22) and the spray barrel (2), inlet air duct (8) are close to spray barrel (2) one end and are arc tubular structure, and the air inlet of air-supply line (22) and the air intake of spray barrel (2) is just not to setting up.