Spraying device for waste gas treatment

Abstract

The utility model discloses a spraying device for waste gas treatment, which comprises a spraying tank, one side of the spraying tank is fixedly connected with an L-shaped gas inlet pipe through a hoop, the other side of the spraying tank is fixedly connected with a pump through a pump support, a spraying frame is fixedly connected at the position close to the edge of the upper end in the spraying tank, a plurality of atomizing nozzles are fixedly connected below the spraying frame, and the atomizing nozzles are fixedly connected with the spraying tank. A hole channel is formed in the spraying frame, the output end of the pump machine is fixedly connected with a conveying pipe, the other end of the conveying pipe is connected with the spraying frame, and the hole channel is communicated with the atomizing nozzle and the conveying pipe. Waste gas is discharged into spraying liquid contained in a spraying tank through an L-shaped gas inlet pipe, a motor is started to drive stirring blades to rotate, floating waste gas bubbles are scattered, the spraying liquid makes full contact with the waste gas, harmful substances in the waste gas are preliminarily absorbed, the spraying device is matched with a spraying mechanism, and under the condition that a spraying head is not additionally arranged, the waste gas can be completely sprayed. And the effect of removing impurities and harmful gas in the waste gas can be effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a spraying device, especially a spraying device for waste gas treatment. BACKGROUND

[0002] Many waste gases are produced in the industrial production process, which cannot be directly discharged into the air, otherwise it will cause certain pollution to the environment, and the spraying device is often used to adsorb and treat harmful substances in the waste gas.

[0003] A spraying device for waste gas treatment disclosed in Chinese patent publication No. CN218795045U includes a base, a support frame, a liquid storage tank and a circulating water pump arranged in sequence from left to right on the base, a heat exchange assembly on the support frame, the heat exchange assembly including a heat exchange tank and a gas heat exchange pipeline, the gas heat exchange pipeline being installed inside the heat exchange tank and penetrating through the heat exchange tank at both ends, a spraying tank connected to the top end of the liquid storage tank, the gas heat exchange pipeline being connected to the waste gas discharge equipment outside at one end and being in communication with the inside of the spraying tank at the other end, and a receiving disc arranged at the top end inside the spraying tank. In the utility model, the heat exchange tank and the gas heat exchange pipeline are cooperatively designed to well exchange heat in the waste gas, the heat in the waste gas can heat the water inside the heat exchange tank, and the purpose of heat exchange can be achieved.

[0004] The above-mentioned spraying device for waste gas treatment has some problems when in use. By increasing the number of spraying holes, the spraying effect on the waste gas is improved. However, in actual use, the setting of more spraying ports requires more support plate area, which limits the flow space of the waste gas in the spraying tower and reduces the conveying efficiency of the waste gas. TECHNICAL SOLUTION

[0005] The utility model aims at providing a spraying device for waste gas treatment to solve the problems mentioned in the background.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a spraying device for waste gas treatment, including a spraying tank, a L-shaped air inlet pipe is fixedly connected to one side of the spraying tank through a clamp, a pump is fixedly connected to the other side of the spraying tank through a pump support, a spraying frame is fixedly connected to the position close to the upper end edge in the spraying tank, a plurality of atomizing nozzles are fixedly connected to the lower surface of the spraying frame, a hole is arranged in the spraying frame, a conveying pipe is fixedly connected to the output end of the pump, the other end of the conveying pipe is connected with the spraying frame, the hole is in communication with the atomizing nozzles and the conveying pipe, a motor support is fixedly connected to the inner wall of the spraying tank, a motor is fixedly connected to the lower surface of the motor support, a transmission shaft is fixedly connected to the output end of the motor, a plurality of stirring blades are fixedly connected to the transmission shaft, and the spraying tank contains spraying liquid.

[0007] Preferably, the back of the spray tank is fixed with a support, the front of the spray tank is embedded with a transparent observation window, and the upper end of the spray tank is fixed with an exhaust head.

[0008] Preferably, the lower end of the spray tank is provided with a threaded hole, the threaded hole is internally screwed with a collection box, and the lower surface of the collection box is fixed with a handle.

[0009] Preferably, the suction end of the pump is fixed with a liquid suction pipe, the other end of the liquid suction pipe is fixed with a filter head, and the lower surface of the filter head is embedded with a filter screen.

[0010] Preferably, the lower end of the transmission shaft is fixed with a scraper, and the upper surface of the scraper is attached to the lower surface of the filter head.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] 1. The L-shaped air inlet pipe discharges waste gas into the spraying liquid in the spray tank, the motor drives the stirring blade to rotate, the floating waste gas bubbles are dispersed, the spraying liquid and the waste gas are fully contacted, the harmful substances in the waste gas are preliminarily absorbed, and the spraying mechanism is matched with each other, so that the effect of removing impurities and harmful gases in the waste gas can be effectively increased without increasing the spray head.

[0013] 2. The motor synchronously drives the scraper to rotate, the scraper is attached to the lower surface of the filter head, the rotating scraper continuously scrapes the surface of the filter screen, the impurities adhered to the surface of the filter head are scraped off, and the problem that the impurities in the spraying liquid block the filter screen is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a schematic view of the overall structure of the utility model;

[0015] Figure 2 It is a sectional view of the utility model;

[0016] Figure 3 It is a half-sectional view of the utility model;

[0017] Figure 4 It is a schematic view of the motor and filter head structure of the utility model.

[0018] In the drawing: 1, spray tank; 101, support; 102, transparent observation window; 103, collection box; 104, handle; 105, exhaust head; 2, L-shaped air inlet pipe; 3, pump; 301, conveying pipe; 302, liquid suction pipe; 303, filter head; 304, filter screen; 4, spraying frame; 401, atomizing nozzle; 5, motor; 501, transmission shaft; 502, stirring blade; 503, scraper. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0020] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a kind of spraying device for waste gas treatment, including spray tank 1, L type air inlet pipe 2 is fixedly connected with one side of spray tank 1 by clamp, pump 3 is fixedly connected with the other side of spray tank 1 by pump support, spray frame 4 is fixedly connected with the position of the upper end edge of spray tank 1 inside, a plurality of atomizing nozzles 401 are fixedly connected with the lower surface of spray frame 4, hole is set in spray frame 4, conveying pipe 301 is fixedly connected with the output end of pump 3, conveying pipe 301 other end is connected with spray frame 4, hole is communicated with atomizing nozzle 401, conveying pipe 301 respectively, motor support is fixedly connected with the inner wall of spray tank 1, motor 5 is fixedly connected with the lower surface of motor support, transmission shaft 501 is fixedly connected with the output end of motor 5, a plurality of stirring blades 502 are fixedly connected with transmission shaft 501, spray tank 1 is filled with spraying liquid.

[0021] In the embodiment, by filling certain spraying liquid in the inside of spray tank 1, it is necessary to ensure that the spraying liquid completely submerges motor 5, L type air inlet pipe 2 is L-shaped as a whole, so that the connecting end of L type air inlet pipe 2 is much higher than the height of spraying liquid in the inside of spray tank 1, thereby avoiding that spraying liquid flows back to the inside of L type air inlet pipe 2, and using L type air inlet pipe 2 to blow waste gas into the inside of spray tank 1, since L type air inlet pipe 2 is submerged in the inside of spraying liquid, waste gas will be directly discharged into the inside of spraying liquid filled in spray tank 1 from L type air inlet pipe 2, waste gas will float in spraying liquid, starting motor 5 drives transmission shaft 501 to rotate, transmission shaft 501 rotation can drive stirring blades 502 to rotate, thereby dispersing the bubbles of floating waste gas, so that spraying liquid directly contacts with waste gas, and preliminarily absorbs harmful substances in waste gas, and the floating waste gas will be discharged from exhaust head 105 at the upper end of spray tank 1, starting pump 3 can pump spraying liquid to spray frame 4, using atomizing nozzle 401 to atomize and spray in the inside of spray tank 1, and using atomized spraying liquid to further remove impurities and harmful gas in waste gas, compared with the prior device, without increasing nozzle, it can effectively increase the removal of impurities and harmful gas in waste gas.

[0022] Wherein, in order to realize the purpose of easy to clean collection box 103 inside the impurities, the device uses the following technical solutions to realize: the back of the spray tank 1 is fixed with a support 101, the front of the spray tank 1 is embedded with a transparent observation window 102, the upper end of the spray tank 1 is fixed with an exhaust head 105, the lower end of the spray tank 1 is provided with a threaded hole, the threaded hole is internally threaded with a collection box 103, the lower surface of the collection box 103 is fixed with a handle 104.

[0023] The device can be placed on the ground through the support 101, the transparent observation window 102 facilitates observation of the height of the liquid in the spray tank 1, the exhaust head 105 is used to exhaust the purified exhaust gas, the lower end of the spray tank 1 is tapered, the impurities absorbed by the liquid are precipitated and sink into the collection box 103, the handle 104 can be used to rotate the collection box 103, and the collection box 103 can be easily rotated and removed, which is convenient for cleaning the collected impurities.

[0024] Wherein, in order to realize the purpose of avoiding impurities blocking the filter screen 304, the device uses the following technical solutions to realize: the suction end of the pump 3 is fixed with a liquid suction pipe 302, the other end of the liquid suction pipe 302 is fixed with a filter head 303, the lower surface of the filter head 303 is embedded with a filter screen 304, the lower end of the transmission shaft 501 is fixed with a scraper 503, and the lower surface of the filter head 303 is attached to the upper surface of the scraper 503.

[0025] The liquid suction pipe 302 can be inserted into the spray tank 1, the filter head 303 connected to the end of the liquid suction pipe 302, and the filter screen 304 embedded and installed at the bottom of the filter head 303 can filter the liquid sprayed into the pump 3, avoiding damage to the blades inside the pump 3. The scraper 503 is attached to the lower surface of the filter head 303, and when the transmission shaft 501 rotates, the scraper 503 will rotate synchronously, and the scraper 503 will continuously scrape the surface of the filter screen 304, removing the impurities adhering to the surface of the filter head 303, and avoiding the impurities from blocking the filter screen 304.

[0026] The working principle and use process of the utility model: when using, the L-shaped air inlet pipe 2 needs to be connected to the exhaust gas conveying pipe, a certain amount of spraying liquid needs to be added to the inside of the spray tank 1, and the spraying liquid inside the spray tank 1 needs to be ensured to submerge the motor 5. The exhaust gas is conveyed to the inside of the spray tank 1 by the L-shaped air inlet pipe 2, and the exhaust gas is directly discharged into the spraying liquid inside the spray tank 1. The exhaust gas will float in the spraying liquid, the motor 5 is started to drive the transmission shaft 501 to rotate, the transmission shaft 501 can drive the stirring blades 502 to rotate, and the floating exhaust gas bubbles are dispersed, so that the exhaust gas is fully contacted with the contained spraying liquid. Starting the pump 3 can convey the spraying liquid to the atomizing nozzle 401, and the spraying liquid is atomized and sprayed in the spray tank 1 by the atomizing nozzle 401. The exhaust gas that has passed through the spraying liquid will be in contact with the spraying liquid again, and finally discharged from the exhaust head 105 at the upper end of the spray tank 1.

[0027] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A spraying device for exhaust gas treatment comprising a spraying tank (1), characterized in that: The spray tank (1) is fixed with L-shaped air inlet pipe (2) through the clamp on one side, the pump (3) is fixed with pump machine support on the other side of the spray tank (1), the spray tank (1) is fixed with spray frame (4) near the upper end edge position, the lower surface of the spray frame (4) is fixed with a plurality of atomizing nozzles (401), the inside of the spray frame (4) is provided with a channel, the output end of the pump (3) is fixed with a conveying pipe (301), the other end of the conveying pipe (301) is connected with the spray frame (4), the channel is respectively communicated with the atomizing nozzle (401), the conveying pipe (301), the inner wall of the spray tank (1) is fixed with motor support, the lower surface of the motor support is fixed with motor (5), the output end of the motor (5) is fixed with transmission shaft (501), a plurality of stirring blades (502) are fixed on the transmission shaft (501), the spray tank (1) contains spraying liquid.

2. The spray device for exhaust gas treatment according to claim 1, characterized by: The rear of the spray tank (1) is fixed with support (101), the front of the spray tank (1) is embedded with transparent observation window (102), the upper end of the spray tank (1) is fixed with exhaust head (105).

3. The spray device for exhaust gas treatment according to claim 1, characterized by: The lower end of the spray tank (1) is provided with a threaded hole, the threaded hole is internally threaded with a collecting box (103), the lower surface of the collecting box (103) is fixed with a handle (104).

4. The spray device for exhaust gas treatment according to claim 1, characterized by: The suction end of the pump (3) is fixed with a liquid suction pipe (302), the other end of the liquid suction pipe (302) is fixed with a filter head (303), the lower surface of the filter head (303) is embedded with a filter screen (304).

5. The spray device for exhaust gas treatment according to claim 4, characterized in that: The lower end of the transmission shaft (501) is fixed with a scraper (503), the upper surface of the scraper (503) is attached to the lower surface of the filter head (303).

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