Spraying device of tail gas absorption tower

Abstract

The utility model provides a spraying device of a tail gas absorption tower, and belongs to the technical field of tail gas absorption towers. The spraying device of the tail gas absorption tower comprises the absorption tower, a spraying mechanism and a cleaning mechanism, the spraying mechanism comprises a circulating box and branch pipes, the circulating box is fixedly installed on the side wall of the absorption tower and communicated with the absorption tower, a first filter plate and a second filter plate are symmetrically installed in an inner cavity of the absorption tower, and the branch pipes are symmetrically installed in an inner cavity of the absorption tower. The bottoms of the branch pipes communicate with multiple sprayers. The cleaning mechanism is arranged, impurities in falling spraying water are filtered through a third filter plate, then the spraying water entering the circulating box is filtered again through a fourth filter plate, it is guaranteed that the impurities cannot enter the circulating box, the spraying quality is guaranteed, the rotating shaft is driven by the motor to rotate, and the cleaning efficiency is improved. And a first scraping plate is driven to scrape impurities on the surface of the third filter plate into a slag collecting groove for centralized collection, so that the third filter plate is prevented from being blocked, and cleaning is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of tail gas absorption towers, in particular to a spray device for a tail gas absorption tower. Background Art

[0002] The tail gas absorption tower is a common environmental protection equipment, which is mainly used to treat and purify waste gas in the industrial production process. By absorbing and swallowing harmful substances in the waste gas, it can significantly reduce the pollution to the atmospheric environment and improve the air quality. At the same time, it also helps to protect the health of workers and reduce the impact of industrial production on the surrounding environment.

[0003] When the spray device of the existing tail gas absorption tower is in use, the spray liquid is usually recycled to save costs. However, the recycled spray liquid contains a large amount of impurities. If it is not filtered, the spray effect will be greatly reduced and it is difficult to clean the impurities. Utility Model Content

[0004] In order to make up for the above deficiencies, the utility model provides a spray device for a tail gas absorption tower which overcomes the above technical problems or at least partially solves the above problems.

[0005] The utility model is achieved in this way:

[0006] The utility model provides a spray device for a tail gas absorption tower, comprising an absorption tower, a spray mechanism and a cleaning mechanism. The spray mechanism comprises

[0007] A circulation box, the circulation box is fixedly mounted on the side wall of the absorption tower, the circulation box is connected to the absorption tower, and a first filter plate and a second filter plate are symmetrically mounted in the inner cavity of the absorption tower;

[0008] A branch pipe, wherein the branch pipe is symmetrically installed in the inner cavity of the absorption tower, and the bottom of the branch pipe is connected to a plurality of nozzles;

[0009] The cleaning mechanism includes a third filter plate and a first scraper. The third filter plate is installed in the inner cavity of the absorption tower. A rotating shaft is rotatably installed in the inner cavity of the absorption tower. The first scraper is symmetrically fixedly installed on the side wall of the rotating shaft. The first scraper is in contact with the third filter plate.

[0010] In a preferred solution, the side wall of the circulation box is connected to a dosing bin, a water pump is installed in the inner cavity of the circulation box, and the water outlet of the water pump is connected to a branch pipe.

[0011] In a preferred solution, a slag collecting trough is fixedly installed on the side wall of the absorption tower, the slag collecting trough is communicated with the absorption tower and is used to collect waste slag, and an inspection door is installed on the side wall of the slag collecting trough for cleaning the waste slag.

[0012] In a preferred solution, a fourth filter plate is installed on the inner wall of the absorption tower for re-filtering the water flowing to the circulation box.

[0013] In a preferred solution, a first bracket is symmetrically fixedly mounted on the side wall of the rotating shaft, and a brush plate is fixedly mounted on one end of the first bracket for cleaning the fourth filter plate.

[0014] In a preferred solution, a second bracket is fixedly mounted on the upper part of the rotating shaft, a connecting rod is symmetrically slidably mounted in the inner cavity of the second bracket, a second scraper is fixedly mounted on one end of the connecting rod, and the second scraper contacts the first filter plate for cleaning the first filter plate.

[0015] In a preferred solution, a spring is sleeved on the surface of the connecting rod, one end of the spring abuts against the second bracket, and the other end of the spring abuts against the second scraper. A motor is fixedly installed in the inner cavity of the absorption tower, and the output end of the motor is fixedly connected to the rotating shaft.

[0016] In a preferred solution, fan blades are fixedly mounted on the surface of the rotating shaft to disperse the exhaust gas.

[0017] In a preferred embodiment, the side wall of the absorption tower is connected to an air inlet pipe, the top of the absorption tower is connected to an exhaust pipe, and the front of the absorption tower is connected to a waste discharge pipe.

[0018] The utility model provides a spray device for a tail gas absorption tower, and its beneficial effects include:

[0019] 1. By setting up a cleaning mechanism, the falling spray water is filtered through the third filter plate to filter out impurities, and then the spray water entering the circulation box is filtered again through the fourth filter plate to ensure that impurities do not enter the circulation box, ensuring the spray quality, and the motor drives the shaft to rotate, driving the first scraper to scrape the impurities on the surface of the third filter plate into the slag collecting tank for centralized collection, avoiding clogging of the third filter plate and facilitating cleaning.

[0020] 2. By setting up a spray mechanism, the exhaust gas is passed into the absorption tower through the air inlet pipe, and the exhaust gas is filtered and purified by the first filter plate and the second filter plate respectively. The spray liquid in the circulation box can be sent to the branch pipe through a water pump and sprayed out by the nozzle to absorb and purify the exhaust gas. Then the spray water flows back to the circulation box for recycling. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for use in the embodiments are briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present utility model, and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work.

[0022] Figure 1 It is a schematic diagram of the main cross-sectional structure provided by an embodiment of the utility model;

[0023] Figure 2 A stereogram provided for an embodiment of the utility model;

[0024] Figure 3 A schematic diagram of a side cross-sectional structure provided for an embodiment of the utility model;

[0025] Figure 4 An exploded view provided for an embodiment of the utility model;

[0026] In the figure: 1. absorption tower; 2. air inlet pipe; 3. exhaust pipe; 5. waste pipe; 6. spray mechanism; 601. circulation box; 602. dosing bin; 603. water pump; 604. first filter plate; 605. second filter plate; 606. branch pipe; 607. nozzle; 7. cleaning mechanism; 701. rotating shaft; 702. third filter plate; 703. first scraper; 704. slag collecting tank; 705. inspection door; 706. fourth filter plate; 707. first bracket; 708. brush plate; 709. second bracket; 710. connecting rod; 711. second scraper; 712. spring; 713. motor; 8. fan blade. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solution and advantages of the implementation of the utility model clearer, the technical solution in the implementation of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation of the utility model. Obviously, the described implementation is a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] Example

[0029] Reference Figure 1-4The utility model provides a technical solution: a spray device for a tail gas absorption tower, comprising an absorption tower 1, a spray mechanism 6 and a cleaning mechanism 7. The side wall of the absorption tower 1 is connected with an air inlet pipe 2 for introducing tail gas, the top of the absorption tower 1 is connected with an exhaust pipe 3 for discharging the purified tail gas, the front of the absorption tower 1 is connected with a waste pipe 5 for discharging waste water, the spray mechanism 6 comprises a circulation box 601 and a branch pipe 606, the circulation box 601 is fixedly installed on the side wall of the absorption tower 1 for recycling spray water, the circulation box 601 is connected with the absorption tower 1, the inner cavity of the absorption tower 1 is symmetrically installed with a first filter plate 604 and a second filter plate 605 for filtering impurities in the tail gas, the branch pipe 606 is symmetrically installed in the inner cavity of the absorption tower 1, and the bottom of the branch pipe 606 is connected with a plurality of nozzles 607 for spraying and purifying the tail gas.

[0030] Reference Figure 1-3 In a preferred embodiment, the side wall of the circulation box 601 is connected to a dosing chamber 602 for adding medicines, and a water pump 603 is installed in the inner cavity of the circulation box 601, and the water outlet end of the water pump 603 is connected to the branch pipe 606.

[0031] In a preferred embodiment, when in use, the exhaust gas is passed into the absorption tower 1 through the air inlet pipe 2, and the exhaust gas is filtered and purified by the first filter plate 604 and the second filter plate 605 respectively. The spray liquid in the circulation box 601 can be sent to the branch pipe 606 by the water pump 603 and sprayed out by the nozzle 607 to absorb and purify the exhaust gas, and then the spray water flows back to the circulation box 601 for recycling.

[0032] Reference Figure 1-4 In a preferred embodiment, the cleaning mechanism 7 includes a third filter plate 702 and a first scraper 703. The third filter plate 702 is installed in the inner cavity of the absorption tower 1 to filter impurities in the spray water to ensure that the spray water can be recycled. A rotating shaft 701 is rotatably installed in the inner cavity of the absorption tower 1, and a first scraper 703 is symmetrically fixedly installed on the side wall of the rotating shaft 701. The first scraper 703 contacts the third filter plate 702 and is used to clean impurities on the surface of the third filter plate 702 to avoid blockage of the third filter plate 702; a slag collecting trough 704 is fixedly installed on the side wall of the absorption tower 1, and the slag collecting trough 704 is connected to the absorption tower 1 for collecting waste slag. An inspection door 705 is installed on the side wall of the slag collecting trough 704 for cleaning waste slag.

[0033] Reference Figure 1-4 In a preferred embodiment, a fourth filter plate 706 is installed on the inner wall of the absorption tower 1 for filtering the water flowing to the circulation box 601 again to ensure that impurities do not enter the circulation box 601. A first bracket 707 is symmetrically fixedly installed on the side wall of the rotating shaft 701. A brush plate 708 is fixedly installed at one end of the first bracket 707 for cleaning the fourth filter plate 706.

[0034] Reference Figure 1-4 In a preferred embodiment, a second bracket 709 is fixedly installed on the upper part of the rotating shaft 701, a connecting rod 710 is symmetrically slidably installed in the inner cavity of the second bracket 709, a second scraper 711 is fixedly installed at one end of the connecting rod 710, and the second scraper 711 contacts the first filter plate 604 for cleaning the first filter plate 604.

[0035] Reference Figure 1-4 In a preferred embodiment, a spring 712 is sleeved on the surface of the connecting rod 710, one end of the spring 712 abuts against the second bracket 709, and the other end of the spring 712 abuts against the second scraper 711. Under the action of the spring 712, the second scraper 711 maintains contact with the first filter plate 604 to ensure the cleaning effect; a motor 713 is fixedly installed in the inner cavity of the absorption tower 1, and the output end of the motor 713 is fixedly connected to the rotating shaft 701, and a fan blade 8 is fixedly installed on the surface of the rotating shaft 701 for breaking up the exhaust gas.

[0036] In a preferred embodiment, when in use, the falling spray water is filtered through the third filter plate 702 to filter out impurities therein, and then the spray water entering the circulation box 601 is filtered again through the fourth filter plate 706 to ensure that impurities do not enter the circulation box 601, thereby ensuring the spraying quality, and the motor 713 drives the rotating shaft 701 to rotate, driving the first scraper 703 to scrape the impurities on the surface of the third filter plate 702 into the slag collecting trough 704 for centralized collection, thereby avoiding clogging of the third filter plate 702; at the same time, the rotating shaft 701 drives the first bracket 707 and the brush plate 708 to rotate, and cleans the fourth filter plate 706 in real time to avoid clogging of the fourth filter plate 706; the rotating shaft 701 can also simultaneously drive the second bracket 709 to rotate, thereby driving the second scraper 711 to rotate, thereby realizing synchronous cleaning of the first filter plate 604, which is convenient for use.

[0037] Specifically, the working process or working principle of the spray device of the exhaust gas absorption tower is as follows: when in use, the exhaust gas is passed into the absorption tower 1 through the air inlet pipe 2, and the exhaust gas is filtered and purified by the first filter plate 604 and the second filter plate 605 respectively, and the spray liquid in the circulation box 601 can be sent to the branch pipe 606 through the water pump 603, and sprayed out by the nozzle 607 to absorb and purify the exhaust gas.

[0038] The falling spray water is filtered through the third filter plate 702 to filter out impurities therein, and then the spray water entering the circulation box 601 is filtered again through the fourth filter plate 706 to ensure that impurities do not enter the circulation box 601, thereby ensuring the spraying quality. The motor 713 drives the rotating shaft 701 to rotate, driving the first scraper 703 to scrape the impurities on the surface of the third filter plate 702 into the slag collecting trough 704 for centralized collection, thereby avoiding clogging of the third filter plate 702; at the same time, the rotating shaft 701 drives the first bracket 707 and the brush plate 708 to rotate, and cleans the fourth filter plate 706 in real time to avoid clogging of the fourth filter plate 706; the rotating shaft 701 can also simultaneously drive the second bracket 709 to rotate, thereby driving the second scraper 711 to rotate, thereby realizing synchronous cleaning of the first filter plate 604, which is convenient for use.

[0039] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

[0040] It should be noted that the motor 713 is a device or equipment existing in the prior art, or a device or equipment that can be realized in the prior art. Its power supply, specific composition and principle are clear to those skilled in the art, so they are not described in detail.

Claims

1. A spray device for a tail gas absorption tower, characterized in that: The invention comprises an absorption tower (1), a spraying mechanism (6) and a cleaning mechanism (7), wherein the spraying mechanism (6) comprises A circulation box (601), wherein the circulation box (601) is fixedly mounted on a side wall of the absorption tower (1), the circulation box (601) is in communication with the absorption tower (1), and a first filter plate (604) and a second filter plate (605) are symmetrically mounted in the inner cavity of the absorption tower (1); A branch pipe (606), wherein the branch pipe (606) is symmetrically installed in the inner cavity of the absorption tower (1), and the bottom of the branch pipe (606) is connected to a plurality of nozzles (607); The cleaning mechanism (7) comprises a third filter plate (702) and a first scraper (703); the third filter plate (702) is installed in the inner cavity of the absorption tower (1); a rotating shaft (701) is rotatably installed in the inner cavity of the absorption tower (1); the first scraper (703) is symmetrically fixedly installed on the side wall of the rotating shaft (701); and the first scraper (703) is in contact with the third filter plate (702).

2. The spray device of the tail gas absorption tower according to claim 1, characterized in that: The side wall of the circulation box (601) is connected to a medicine adding chamber (602), and a water pump (603) is installed in the inner cavity of the circulation box (601), and the water outlet end of the water pump (603) is connected to a branch pipe (606).

3. The spray device of the tail gas absorption tower according to claim 1, characterized in that: A slag collecting trough (704) is fixedly mounted on the side wall of the absorption tower (1). The slag collecting trough (704) is in communication with the absorption tower (1) and is used to collect waste slag. An inspection door (705) is mounted on the side wall of the slag collecting trough (704) and is used to clean the waste slag.

4. The spray device of the tail gas absorption tower according to claim 1, characterized in that: A fourth filter plate (706) is installed on the inner wall of the absorption tower (1) for re-filtering the water flowing to the circulation box (601).

5. The spray device of the tail gas absorption tower according to claim 4, characterized in that: A first bracket (707) is symmetrically fixedly mounted on the side wall of the rotating shaft (701), and a brush plate (708) is fixedly mounted on one end of the first bracket (707) for cleaning the fourth filter plate (706).

6. The spray device of the tail gas absorption tower according to claim 1, characterized in that: A second bracket (709) is fixedly mounted on the upper part of the rotating shaft (701); a connecting rod (710) is symmetrically slidably mounted in the inner cavity of the second bracket (709); a second scraper (711) is fixedly mounted on one end of the connecting rod (710); the second scraper (711) is in contact with the first filter plate (604) and is used to clean the first filter plate (604).

7. The spray device of the tail gas absorption tower according to claim 6, characterized in that: A spring (712) is sleeved on the surface of the connecting rod (710), one end of the spring (712) is in contact with the second bracket (709), and the other end of the spring (712) is in contact with the second scraper (711). A motor (713) is fixedly installed in the inner cavity of the absorption tower (1), and the output end of the motor (713) is fixedly connected to the rotating shaft (701).

8. The spray device of the tail gas absorption tower according to claim 1, characterized in that: The surface of the rotating shaft (701) is fixedly mounted with fan blades (8) for dispersing the exhaust gas.

9. The spray device of the tail gas absorption tower according to claim 1, characterized in that: The side wall of the absorption tower (1) is connected to an air inlet pipe (2), the top of the absorption tower (1) is connected to an exhaust pipe (3), and the front of the absorption tower (1) is connected to a waste discharge pipe (5).

Images