Environment-friendly flue gas desulfurization tower

Abstract

The utility model discloses an environment-friendly flue gas desulfurization tower, and particularly relates to the technical field of desulfurization towers, the environment-friendly flue gas desulfurization tower comprises a tower body, and a desulfurization assembly for flue gas desulfurization is arranged outside the tower body; a filtering assembly for filtering waste liquid is arranged outside the desulfurization assembly; the filter assembly comprises a transfer box, the transfer box is arranged on one side of the bottom end of the tower body, and a cover plate is arranged at the top of the transfer box. According to the limestone desulfurization tower disclosed by the utility model, gypsum suspended matters and other particulate matters in limestone desulfurization liquid can be blocked to the bottom of the transfer box through the filter screen in the transfer box, so that impurities are prevented from being conveyed into the tower body in a reciprocating manner to influence the desulfurization effect and the desulfurization efficiency; a worker can operate the connecting ring to be separated from the connecting screw rod, the worker can conveniently operate the cover plate to take down the filter screen for cleaning and maintenance, and therefore the effects of filtering the limestone desulfurization liquid and conveniently disassembling and assembling the filter screen are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of desulfurization towers, in particular to an environmentally friendly flue gas desulfurization tower. Background Art

[0002] The desulfurization tower is a tower-type equipment for desulfurization of industrial waste gas. The desulfurization tower uses wet desulfurization and dust removal, which has the advantages of easy maintenance, and can achieve the effect of dust removal and desulfurization at the same time by preparing different dust removal agents. The most widely used technology is the limestone-gypsum wet flue gas desulfurization technology, which uses cheap limestone as the desulfurization absorbent. The limestone is crushed and ground into powder and mixed with water to make an absorption slurry.

[0003] As shown in the application document with the prior art publication number CN210699536U, it includes a tower body, the upper end of the tower body is fixedly connected with an air outlet pipe, the lower end side wall of the tower body is fixedly connected with an air inlet pipe, a swirl plate body is fixedly installed in the tower body, a first spray mechanism is provided at the lower side of the swirl plate body, a guide pipe is provided on one side of the tower body, one end of the guide pipe passes through the side wall of the tower body and is fixedly connected to the first spray mechanism, and the other end of the guide pipe is fixedly connected to the lower end of the tower body, a water pump is fixedly connected to the guide pipe, and a plurality of second spray mechanisms are evenly arranged at the lower side of the first spray mechanism, and the plurality of the second spray mechanisms are fixedly connected to the guide pipe through a branch pipe. This technical solution has a high desulfurization efficiency, and at the same time has a cleaning effect on the swirl plate during desulfurization, avoiding the complicated operation of manually cleaning the swirl plate.

[0004] However, when the limestone-limestone desulfurization liquid is reused in the above technical solution, impurities such as absorbed suspended matter and heavy metal particles will remain in the liquid, thereby affecting the use effect of the limestone desulfurization liquid and the desulfurization efficiency of the flue gas. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides an environmentally friendly flue gas desulfurization tower. Through the filter screen in the transfer box, the gypsum suspension and other particulate matter in the limestone desulfurization liquid can be blocked to the bottom of the transfer box, so as to prevent impurities from being transported back and forth to the inside of the tower body and affecting the desulfurization effect and desulfurization efficiency. At the same time, with the help of the threaded connection between the connecting ring, the connecting screw and the fixed screw, the staff can operate the connecting ring to separate the connecting screw, which is convenient for the staff to operate the cover plate to remove the filter screen for cleaning and maintenance, thereby achieving the effect of filtering the limestone desulfurization liquid and conveniently disassembling and assembling the filter screen, so as to solve the problems arising from the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an environmentally friendly flue gas desulfurization tower, comprising a tower body, wherein a desulfurization component for flue gas desulfurization is arranged outside the tower body;

[0007] A filter assembly for filtering waste liquid is provided outside the desulfurization assembly;

[0008] The filter assembly includes a transfer box, which is arranged at one side of the bottom end of the tower body, and a cover plate is arranged on the top of the transfer box. The bottoms of the front and rear ends of the cover plate are both provided with connecting columns, and the same filter screen is installed at the bottom of the two connecting columns, and the filter screen is arranged inside the transfer box;

[0009] A connecting screw is installed on the side of the cover plate away from the tower body, a fixing screw is provided at the bottom of the end of the connecting screw away from the cover plate, and the end of the fixing screw away from the connecting screw is fixed to the transfer box, and the ends of the connecting screw and the fixing screw close to each other are sleeved with the same connecting ring, and the connecting ring is threadedly connected to the connecting screw and the fixing screw;

[0010] A connecting pipe is fixedly connected to one side of the bottom end of the transfer box close to the tower body, an end of the connecting pipe away from the transfer box is fixedly connected to the tower body, and a slag discharge pipe is fixedly connected to the front side of the transfer box.

[0011] In a preferred embodiment, the desulfurization component includes a plurality of spaced-apart annular tubes, which are installed inside a tower body, and a plurality of spaced-apart atomizing nozzles are fixedly connected inside the annular tubes; a liquid supply pipe is provided on the front side of the tower body, and a plurality of branch pipes are fixedly connected to the side of the liquid supply pipe close to the tower body, and the plurality of branch pipes all penetrate the tower body and are fixedly connected to the plurality of annular tubes respectively; a water pump is installed outside the liquid supply pipe, and the bottom end of the liquid supply pipe is fixedly connected to the side of the transfer box away from the tower body. When the water pump is operated, the limestone desulfurization liquid is transported to the interior of the plurality of annular tubes through the liquid supply pipe and the plurality of branch pipes, and then sprayed out through the plurality of atomizing nozzles to desulfurize the flue gas.

[0012] In a preferred embodiment, the filter screen is arranged at the bottom of the liquid supply pipe, and the filter screen is arranged at the top of the connecting pipe. By arranging the filter screen at the bottom of the liquid supply pipe, the liquid supply pipe can transport the filtered limestone desulfurization liquid, and by arranging the filter screen at the top of the connecting pipe, the recycled limestone desulfurization liquid can be filtered.

[0013] In a preferred embodiment, two handles are installed on the top of the cover plate, and the two handles are symmetrically distributed about the central axis of the cover plate. Through the connection between the handles and the cover plate, the staff can operate the handles to take the cover plate, thereby improving the convenience of the staff in operating the cover plate.

[0014] In a preferred embodiment, the top of the tower body is fixedly connected with an air outlet pipe, and one side of the bottom end of the tower body is fixedly connected with an air inlet pipe. Through the setting of the air inlet pipe, the flue gas can be transported to the inside of the tower body for desulfurization operation, and the desulfurized flue gas is then discharged through the air outlet pipe.

[0015] In a preferred embodiment, a fixing frame is installed at the bottom of the cover plate, and the bottom end of the fixing frame extends into the transfer box. Through the setting of the fixing frame, the fixing frame can limit the cover plate by engaging with the transfer box to ensure the stability of the cover plate.

[0016] Technical effects and advantages of the utility model:

[0017] The filter in the transfer box can block the gypsum suspension and other particulate matter in the limestone-limestone desulfurization liquid to the bottom of the transfer box, preventing impurities from being transported back and forth to the inside of the tower and affecting the desulfurization effect and efficiency. At the same time, with the help of the threaded connection between the connecting ring, the connecting screw and the fixed screw, the staff can operate the connecting ring to separate the connecting screw, making it convenient for the staff to operate the cover to remove the filter for cleaning and maintenance, thereby achieving the effect of filtering the limestone desulfurization liquid and conveniently disassembling and assembling the filter. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a cross-sectional view of the tower body of the utility model;

[0020] Figure 3 It is a cross-sectional view of the transfer box of the utility model;

[0021] Figure 4 For the utility model Figure 3 Enlarged view of part A;

[0022] Figure 5 This is an exploded view of the transfer box of the present utility model.

[0023] The accompanying drawings are marked as follows: 1. tower body; 2. transfer box; 3. cover plate; 4. connecting column; 5. filter screen; 6. connecting screw; 7. fixing screw; 8. connecting ring; 9. connecting pipe; 10. slag discharge pipe; 11. ring pipe; 12. atomizing nozzle; 13. liquid supply pipe; 14. branch pipe; 15. water pump; 16. handle; 17. air outlet pipe; 18. air inlet pipe; 19. fixing frame. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Refer to the instruction manual Figure 1-5The utility model provides an environmentally friendly flue gas desulfurization tower, comprising a tower body 1, wherein a desulfurization component for flue gas desulfurization is arranged outside the tower body 1;

[0026] like Figure 2 As shown, the desulfurization component includes a plurality of spaced annular tubes 11, which are installed inside the tower body 1, and a plurality of spaced atomizing nozzles 12 are fixedly connected inside the annular tube 11; a liquid supply pipe 13 is provided on the front side of the tower body 1, and a plurality of branch pipes 14 are fixedly connected to the side of the liquid supply pipe 13 close to the tower body 1, and the plurality of branch pipes 14 all penetrate the tower body 1 and are fixedly connected to the plurality of annular tubes 11 respectively; a water pump 15 is installed outside the liquid supply pipe 13, and the bottom end of the liquid supply pipe 13 is fixedly connected to the side of the transfer box 2 away from the tower body 1, and the flue gas is transported to the inside of the tower body 1 through the air inlet pipe 18, and the water pump 15 is operated to transport the limestone desulfurization liquid through the liquid supply pipe 13 and the plurality of branch pipes 14 to the interior of the plurality of annular tubes 11 respectively, and then the flue gas is sprayed out through the plurality of atomizing nozzles 12 to desulfurize the flue gas, so as to prevent the flue gas from being directly discharged to cause environmental pollution, thereby achieving the effect of environmental protection.

[0027] In order to facilitate filtering of the waste liquid after desulfurization, a filtering component for filtering the waste liquid is provided outside the desulfurization component;

[0028] like Figure 3-5 As shown, the filtering assembly includes a transfer box 2, which is arranged at one side of the bottom end of the tower body 1, and a cover plate 3 is provided on the top of the transfer box 2. Connecting columns 4 are provided at the bottom of the front and rear ends of the cover plate 3, and the same filter screen 5 is installed at the bottom of the two connecting columns 4, and the filter screen 5 is arranged inside the transfer box 2; a connecting screw 6 is installed on the side of the cover plate 3 away from the tower body 1, and a fixing screw 7 is provided at the bottom of the end of the connecting screw 6 away from the cover plate 3, and the end of the fixing screw 7 away from the connecting screw 6 is fixed to the transfer box 2, and the end of the connecting screw 6 and the fixing screw 7 close to each other is provided with the same connecting ring 8 on the outside, and the connecting ring 8 is threadedly connected to the connecting screw 6 and the fixing screw 7; a connecting pipe 9 is fixedly connected to the side of the bottom end of the transfer box 2 close to the tower body 1, and the end of the connecting pipe 9 away from the transfer box 2 is fixedly connected to the tower body 1, and a slag discharge pipe 10 is fixedly connected to the front side of the transfer box 2.

[0029] like Figure 2 , 3 As shown in Figure 5, the filter screen 5 is arranged at the bottom of the liquid supply pipe 13, and the filter screen 5 is arranged at the top of the connecting pipe 9. By arranging the filter screen 5 at the bottom of the liquid supply pipe 13, the liquid supply pipe 13 can transport the filtered limestone desulfurization liquid, and by arranging the filter screen 5 at the top of the connecting pipe 9, the recycled limestone desulfurization liquid can be filtered.

[0030] like Figure 5As shown, two handles 16 are installed on the top of the cover plate 3, and the two handles 16 are symmetrically distributed about the central axis of the cover plate 3. Through the connection between the handles 16 and the cover plate 3, the staff can operate the handles 16 to take the cover plate 3, thereby improving the convenience of the staff in operating the cover plate 3.

[0031] like Figure 1 and 2 As shown, the top of the tower body 1 is fixedly connected to an air outlet pipe 17, and one side of the bottom end of the tower body 1 is fixedly connected to an air inlet pipe 18. Through the setting of the air inlet pipe 18, the flue gas can be transported to the inside of the tower body 1 for desulfurization operation, and the desulfurized flue gas is then discharged through the air outlet pipe 17.

[0032] like Figure 3 and 5 As shown, a fixing frame 19 is installed at the bottom of the cover plate 3, and the bottom end of the fixing frame 19 extends into the transfer box 2. Through the setting of the fixing frame 19, the fixing frame 19 can limit the cover plate 3 by means of the engagement with the transfer box 2, thereby ensuring the stability of the cover plate 3.

[0033] The desulfurized liquid falls to the bottom of the tower body 1 and is transported to the inside of the transfer box 2 through the connecting pipe 9. Then, the gypsum suspension, heavy metals and other particulate impurities in the waste liquid are filtered through the filter screen 5 in the transfer box 2. The filtered limestone desulfurized liquid is transported to the inside of the tower body 1 again through the liquid supply pipe 13 and the branch pipe 14, thereby realizing the recycling of the limestone desulfurized liquid and improving the utilization effect of resources.

[0034] At the same time, by rotating the connecting ring 8 threadedly connected to the connecting screw 6 and the fixing screw 7, the connecting ring 8 can be separated from the connecting screw 6, so that the cover plate 3 is not restricted and it is convenient for the staff to operate the cover plate 3 to take out the filter screen 5 for cleaning and maintenance, thereby avoiding clogging of the filter screen 5.

[0035] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. An environmentally friendly flue gas desulfurization tower, comprising a tower body (1), characterized in that: The tower body (1) is provided with a desulfurization component for flue gas desulfurization outside; A filter assembly for filtering waste liquid is provided outside the desulfurization assembly; The filter assembly comprises a transfer box (2), the transfer box (2) being arranged at one side of the bottom end of the tower body (1), the top of the transfer box (2) being provided with a cover plate (3), the bottoms of the front and rear ends of the cover plate (3) being provided with connecting columns (4), the bottoms of the two connecting columns (4) being provided with the same filter screen (5), the filter screen (5) being arranged inside the transfer box (2); A connecting screw (6) is installed on the side of the cover plate (3) away from the tower body (1); a fixing screw (7) is provided at the bottom of the end of the connecting screw (6) away from the cover plate (3); the end of the fixing screw (7) away from the connecting screw (6) is fixed to the transfer box (2); the ends of the connecting screw (6) and the fixing screw (7) close to each other are sleeved with a same connecting ring (8); the connecting ring (8) is threadedly connected to the connecting screw (6) and the fixing screw (7); A connecting pipe (9) is fixedly connected to the side of the bottom end of the transfer box (2) close to the tower body (1), an end of the connecting pipe (9) away from the transfer box (2) is fixedly connected to the tower body (1), and a slag discharge pipe (10) is fixedly connected to the front side of the transfer box (2).

2. An environmentally friendly flue gas desulfurization tower according to claim 1, characterized in that: The desulfurization component comprises a plurality of spaced annular pipes (11), the annular pipes (11) being installed inside the tower body (1), and a plurality of spaced atomizing nozzles (12) being fixedly connected inside the annular pipe (11); A liquid supply pipe (13) is provided on the front side of the tower body (1); a side of the liquid supply pipe (13) close to the tower body (1) is fixedly connected to a plurality of branch pipes (14); the plurality of branch pipes (14) all penetrate the tower body (1) and are respectively fixedly connected to a plurality of ring pipes (11); a water pump (15) is installed outside the liquid supply pipe (13); and the bottom end of the liquid supply pipe (13) is fixedly connected to a side of the transfer box (2) away from the tower body (1).

3. The environmentally friendly flue gas desulfurization tower according to claim 1 is characterized in that: The filter screen (5) is arranged at the bottom of the liquid supply pipe (13), and the filter screen (5) is arranged at the top of the connecting pipe (9).

4. The environmentally friendly flue gas desulfurization tower according to claim 1 is characterized in that: Two handles (16) are installed on the top of the cover plate (3), and the two handles (16) are symmetrically distributed about the central axis of the cover plate (3).

5. The environmentally friendly flue gas desulfurization tower according to claim 1 is characterized in that: The top of the tower body (1) is fixedly connected to an air outlet pipe (17), and one side of the bottom end of the tower body (1) is fixedly connected to an air inlet pipe (18).

6. The environmentally friendly flue gas desulfurization tower according to claim 1 is characterized in that: A fixing frame (19) is installed at the bottom of the cover plate (3), and the bottom end of the fixing frame (19) extends into the interior of the transfer box (2).

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