Three-stage spraying device

Abstract

The utility model relates to the field of spraying, in particular to a three-stage spraying device, and aims to overcome the defects that in the prior art, a filter screen cannot be cleaned due to the fact that the filter screen cannot be moved out of a circulating pool, the filtering effect of the filter screen is affected due to the fact that impurities are accumulated on the filter screen, and water resources are wasted due to the fact that waste water generated after cleaning cannot be recycled and re-filtered. According to the scheme, the tower comprises a circulating pool and a tower body which is fixedly connected to the top of the circulating pool; the gas outlet is formed in the top of the tower body; the isolation plate is fixedly connected to the inner wall of the bottom of the circulating pool; the water level buoy is connected to the inner wall of the isolation plate in a sliding manner; the sliding rail is fixedly connected to the bottom of the tower body, the filter screen can be moved out of the circulating pool, the filter screen can be cleaned, the situation that the filter effect is affected by impurity accumulation is avoided, waste water generated after cleaning can be recycled and filtered again, and waste of water resources is avoided.

Description

Technical Field

[0001] The present application relates to the field of spraying, and in particular to a three-stage spraying device. Background Art

[0002] Spray towers exist as a type of treatment equipment for environmentally friendly waste gas treatment. These devices play a vital role in the field of environmental protection, helping us protect the ecological environment and human health.

[0003] The patent document with the announcement number CN 215233241 U discloses a three-stage spraying device for removing ammonia in a printing and dyeing factory, including a tower body, a circulating pool is arranged at the bottom of the tower body, and an absorption liquid is stored in the circulating pool. The side wall at the bottom of the tower body is provided with an air inlet, and the top of the tower body is provided with an air outlet. The inside of the tower body is provided with a particle filter section, a spray section and an activated carbon adsorption section from bottom to top. The particle filter section is provided with a sieve plate fixed on the inner wall of the tower body, and a vertically arranged filter screen is installed in the circulating pool; the spray section is provided with a first packing layer, a first spray pipe, a second packing layer and a second spray pipe from bottom to top, and the absorption liquid in the circulating pool is transported to the first spray pipe and the second spray pipe through a vertical pump, and the water inlet of the vertical pump and the particle filter section are located on both sides of the filter screen; the activated carbon adsorption section is provided with an activated carbon adsorption layer. The utility model can not only remove ammonia, but also treat dust particles and odor in ammonia.

[0004] However, the above-mentioned three-stage spray device for removing ammonia in a printing and dyeing factory has the disadvantage that the filter cannot be removed from the circulation pool, resulting in the filter being unable to be cleaned, causing the filter to be accumulated with impurities and affecting the filtering effect, and the waste water after cleaning cannot be recycled and re-filtered, resulting in a waste of water resources. For this reason, we propose a three-stage spray device to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings of the prior art that the filter screen cannot be removed from the circulation pool, resulting in the filter screen being unable to be cleaned, causing the filter screen to be accumulated with impurities and affecting the filtering effect, and the waste water after cleaning cannot be recovered and re-filtered, resulting in a waste of water resources, and a three-stage spray device is proposed.

[0006] The three-stage spraying device provided in this application adopts the following technical solution:

[0007] A three-stage spray device, comprising:

[0008] Circulation pool;

[0009] A tower body, fixedly connected to the top of the circulation pool;

[0010] An air outlet is arranged at the top of the tower body;

[0011] An isolation plate, fixedly connected to the bottom inner wall of the circulation pool;

[0012] A water level float, slidably connected to the inner wall of the isolation plate;

[0013] Two slide rails are fixedly connected to the bottom of the tower body;

[0014] A filter screen is slidably connected to the slide rail;

[0015] An air inlet is arranged on one side of the tower body;

[0016] A first packing layer is fixedly connected to the inner wall of the tower body;

[0017] a second packing layer fixedly connected to the inner wall of the tower body;

[0018] The spray assembly is fixedly connected to one side of the tower body.

[0019] Furthermore, a collecting box is fixedly connected to one side of the collecting trough, and the water outlet of the collecting trough is connected to the inner wall of the collecting box, and a third water pump is fixedly connected to the bottom of the inner wall of the collecting box, and the output port of the third water pump is fixedly connected to a connecting pipe, and one end of the connecting pipe is fixedly connected to a drain outlet.

[0020] Furthermore, a connecting rod is fixedly connected to one side of the output water pipe, one end of the connecting rod is fixedly connected to one side of the circulation pool, and a plurality of nozzles are fixedly connected to the top of the output water pipe, and a collecting tank is fixedly connected to one side of the circulation pool.

[0021] Furthermore, a second water pump is fixedly connected to the top of the connecting plate, an input port of the second water pump is fixedly connected to a fifth water pipe, and an output port of the second water pump is fixedly connected to an output water pipe.

[0022] Furthermore, a first valve is provided on the third water pipe, and a second valve is provided on the fourth water pipe, and a push rod motor is fixedly connected to one side of the circulation pool, and a connecting plate is fixedly connected to one side of the circulation pool, and the output shaft of the push rod motor is fixedly connected to one side of the filter.

[0023] Furthermore, a main switch valve is provided on the second water pipe, and the second water pipe is fixedly connected to a third water pipe, and the bottom of the third water pipe is fixedly connected to multiple first spray heads, and the second water pipe is fixedly connected to a fourth water pipe, and the bottom of the fourth water pipe is fixedly connected to multiple second spray heads.

[0024] Furthermore, the spray assembly includes a support plate fixedly connected to the top of the circulation pool, and an activated carbon adsorption layer is fixedly connected to the inner wall of the tower body, and a demisting layer is fixedly connected to the inner wall of the tower body, and a first water pump is fixedly connected to the top of the support plate, and an input port of the first water pump is fixedly connected to a first water pipe, and an output port of the first water pump is fixedly connected to a second water pipe.

[0025] In summary, the present application includes at least one of the following beneficial technical effects:

[0026] 1. The filter can be removed from the circulation pool so that it can be cleaned to avoid the accumulation of impurities that affect the filtering effect;

[0027] 2. The cleaned wastewater can be recycled and filtered to avoid wasting water resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a front view schematic diagram of a three-stage spray device in Example 1 of the present application;

[0029] Figure 2 It is a side view schematic diagram of a three-stage spray device in Example 1 of the present application;

[0030] Figure 3 It is a three-dimensional schematic diagram of a three-stage spray device in Example 1 of the present application.

[0031] Figure numerals: 1, circulation pool; 2, tower body; 3, isolation plate; 4, water level float; 5, slide rail; 6, filter screen; 7, air inlet; 8, first packing layer; 9, second packing layer; 10, activated carbon adsorption layer; 11, demisting layer; 12, support plate; 13, first water pump; 14, first water pipe; 15, second water pipe; 16, main switch valve; 17, third water pipe; 18, first spray head; 19, fourth water pipe; 20, second spray head; 21, first valve; 22, second valve; 23, push rod motor; 24, connecting plate; 25, second water pump; 26, fifth water pipe; 27, output water pipe; 28, connecting rod; 29, nozzle; 30, collecting trough; 31, collecting box; 32, third water pump; 33, connecting pipe; 34, drain outlet. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0033] Embodiment 1

[0034] Reference Figure 1-Figure 3 , a three-stage spray device, comprising:

[0035] Circulation pool 1;

[0036] The tower body 2 is fixedly connected to the top of the circulation pool 1;

[0037] An air outlet is arranged at the top of the tower body 2;

[0038] The isolation plate 3 is fixedly connected to the bottom inner wall of the circulation pool 1;

[0039] A water level float 4 is slidably connected to the inner wall of the isolation plate 3;

[0040] The slide rail 5 is fixedly connected to the bottom of the tower body 2, and two slide rails are provided;

[0041] The filter screen 6 is slidably connected to the slide rail 5;

[0042] An air inlet 7 is provided on one side of the tower body 2;

[0043] The first packing layer 8 is fixedly connected to the inner wall of the tower body 2;

[0044] The second packing layer 9 is fixedly connected to the inner wall of the tower body 2;

[0045] The spray assembly is fixedly connected to one side of the tower body 2.

[0046] Specifically, a collecting box 31 is fixedly connected to one side of the collecting trough 30, and the water outlet of the collecting trough 30 is connected to the inner wall of the collecting box 31, and a third water pump 32 is fixedly connected to the bottom of the inner wall of the collecting box 31, and the output port of the third water pump 32 is fixedly connected to a connecting pipe 33, and one end of the connecting pipe 33 is fixedly connected to a drain outlet 34.

[0047] Specifically, a connecting rod 28 is fixedly connected to one side of the output water pipe 27, one end of the connecting rod 28 is fixedly connected to one side of the circulation pool 1, and a plurality of nozzles 29 are fixedly connected to the top of the output water pipe 27, and a collecting tank 30 is fixedly connected to one side of the circulation pool 1.

[0048] Specifically, the second water pump 25 is fixedly connected to the top of the connecting plate 24 , the input port of the second water pump 25 is fixedly connected to the fifth water pipe 26 , and the output port of the second water pump 25 is fixedly connected to the output water pipe 27 .

[0049] Specifically, a first valve 21 is provided on the third water pipe 17, and a second valve 22 is provided on the fourth water pipe 19, and a push rod motor 23 is fixedly connected to one side of the circulation pool 1, and a connecting plate 24 is fixedly connected to one side of the circulation pool 1, and the output shaft of the push rod motor 23 is fixedly connected to one side of the filter screen 6.

[0050] Specifically, a main switch valve 16 is provided on the second water pipe 15, and a third water pipe 17 is fixedly connected to the second water pipe 15, and a plurality of first spray heads 18 are fixedly connected to the bottom of the third water pipe 17, and a fourth water pipe 19 is fixedly connected to the second water pipe 15, and a plurality of second spray heads 20 are fixedly connected to the bottom of the fourth water pipe 19.

[0051] Specifically, the spray assembly includes a support plate 12 fixedly connected to the top of the circulation pool 1, and an activated carbon adsorption layer 10 is fixedly connected to the inner wall of the tower body 2, and a demisting layer 11 is fixedly connected to the inner wall of the tower body 2, and a first water pump 13 is fixedly connected to the top of the support plate 12, and the input port of the first water pump 13 is fixedly connected to the first water pipe 14, and the output port of the first water pump 13 is fixedly connected to the second water pipe 15.

[0052] The implementation principle of a three-stage spray device in the embodiment of the present application is as follows: first, the waste gas to be treated is discharged into the tower body 2 from the air inlet 7, and the particulate matter in the gas is removed through the particulate matter filtering section. Then, after passing through the spray section, the gas passes through the first packing layer 8 and the second packing layer 9 to remove the particulate matter in the gas, and the first water pump 13 is started. The first water pump 13 extracts absorption liquid from the circulation pool 1, and enters the third water pipe 17 and the fourth water pipe 19 respectively through the second water pipe 15, and then is sprayed out through the first spray head 18 and the second spray head 20 respectively. The third water pipe 17 and the fourth water pipe 19 can be switched on and off by the main switch valve 16, or the third water pipe 17 and the fourth water pipe 19 can be switched on and off by the first valve 21 and the second valve 22 respectively. The waste gas in the gas is fully contacted with the absorption liquid in the packing layer for gas-liquid two-phase absorption and neutralization reaction, and then the waste gas is The activated carbon adsorption layer 10 is used to adsorb the odor in the gas. The gas is treated by the three stages of the particle filtration section, the spray section and the activated carbon adsorption section, so that the exhaust gas is discharged back to the atmosphere through the gas outlet, and the absorption liquid is returned to the circulation pool 1 at the bottom of the tower body for recycling. The water level of the absorption liquid in the circulation pool 1 is observed by observing the water level float 4. When impurities accumulate on the filter screen 6, the push rod motor 23 is started, and the push rod motor 23 drives the filter screen 6 to move. The second water pump 25 is started, and the second water pump 25 extracts the absorption liquid from the circulation pool 1 to clean the removed filter screen 6. The absorption liquid is sprayed out from the nozzle 29 through the output water pipe 27, and the sprayed absorption liquid falls into the collection tank 30. The collection tank 30 falls into the collection box 31, and the third water pump 32 is started. The third water pump 32 extracts the absorption liquid from the collection box 31, and discharges it back into the circulation pool 1 from the drain port 34 through the connecting pipe 33, and is filtered by the filter screen 6.

[0053] Embodiment 2

[0054] The difference between this embodiment and the first embodiment is that: a second filter screen is slidably connected in the collection box 31, a second push rod motor is fixedly connected to the bottom of the collection box 31, the output shaft of the second push rod motor is fixedly connected to the bottom of the second filter screen, the absorption liquid is filtered in the collection box 31 to prevent the cleaned impurities from returning to the circulation pool 1, the second push rod motor is started, the second push rod motor drives the second filter screen to move, the second filter screen is moved out of the collection box 31, and the second filter screen is cleaned.

[0055] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A three-stage spray device, characterized in that: include: Circulation pool (1); A tower body (2) is fixedly connected to the top of the circulation pool (1); An air outlet is arranged at the top of the tower body (2); An isolation plate (3) fixedly connected to the bottom inner wall of the circulation pool (1); A water level float (4) slidably connected to the inner wall of the isolation plate (3); Two slide rails (5) are fixedly connected to the bottom of the tower body (2); A filter screen (6) is slidably connected to the slide rail (5); An air inlet (7) is arranged on one side of the tower body (2); A first packing layer (8) fixedly connected to the inner wall of the tower body (2); A second packing layer (9) is fixedly connected to the inner wall of the tower body (2); A spray assembly is fixedly connected to one side of the tower body (2).

2. A three-stage spray device according to claim 1, characterized in that: The spray assembly comprises a support plate (12) fixedly connected to the top of the circulation pool (1), an activated carbon adsorption layer (10) fixedly connected to the inner wall of the tower body (2), a demisting layer (11) fixedly connected to the inner wall of the tower body (2), a first water pump (13) fixedly connected to the top of the support plate (12), a first water pipe (14) fixedly connected to the input port of the first water pump (13), and a second water pipe (15) fixedly connected to the output port of the first water pump (13).

3. A three-stage spray device according to claim 2, characterized in that: The second water pipe (15) is provided with a main switch valve (16), the second water pipe (15) is fixedly connected to a third water pipe (17), and the bottom of the third water pipe (17) is fixedly connected to a plurality of first spray heads (18), the second water pipe (15) is fixedly connected to a fourth water pipe (19), and the bottom of the fourth water pipe (19) is fixedly connected to a plurality of second spray heads (20).

4. A three-stage spray device according to claim 3, characterized in that: The third water pipe (17) is provided with a first valve (21), the fourth water pipe (19) is provided with a second valve (22), a push rod motor (23) is fixedly connected to one side of the circulation pool (1), a connecting plate (24) is fixedly connected to one side of the circulation pool (1), and an output shaft of the push rod motor (23) is fixedly connected to one side of the filter screen (6).

5. A three-stage spray device according to claim 4, characterized in that: A second water pump (25) is fixedly connected to the top of the connecting plate (24), an input port of the second water pump (25) is fixedly connected to a fifth water pipe (26), and an output port of the second water pump (25) is fixedly connected to an output water pipe (27).

6. A three-stage spray device according to claim 5, characterized in that: A connecting rod (28) is fixedly connected to one side of the output water pipe (27), one end of the connecting rod (28) is fixedly connected to one side of the circulation pool (1), a plurality of nozzles (29) are fixedly connected to the top of the output water pipe (27), and a collecting tank (30) is fixedly connected to one side of the circulation pool (1).

7. A three-stage spray device according to claim 6, characterized in that: A collecting box (31) is fixedly connected to one side of the collecting trough (30), and a water outlet of the collecting trough (30) is in communication with an inner wall of the collecting box (31), and a third water pump (32) is fixedly connected to the bottom of the inner wall of the collecting box (31), and an output port of the third water pump (32) is fixedly connected to a connecting pipe (33), and one end of the connecting pipe (33) is fixedly connected to a drain outlet (34).

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