Water desulfurization device based on spraying technology

Abstract

The utility model provides a water desulfurization device based on spraying technology, which relates to the technical field of desulfurization, and comprises a spraying tower, a spraying pipe and a desulfurization tank, an upper hanging frame is arranged on the inner side wall of the upper part in the spraying tower, the spraying pipe is hung on the upper hanging frame, the desulfurization tank is arranged on the lower part in the spraying tower, a filtering net bag is arranged on the desulfurization tank, and the spraying pipe is connected with the spraying tower. The filter net bag is detachably connected with the desulfurization tank, the lower part of the desulfurization tank is provided with a precipitation tank, the front part of the precipitation tank is provided with a blow-off pipe orifice, the lower end surface of the spray tower is provided with supporting legs, the middle part of the inner side wall of the spray tower is provided with a middle hanging frame, and a guide hopper is hung on the middle hanging frame; and the middle part of the right side of the spray tower is connected with an outer conveying pipe. According to the utility model, large-area spraying desulfurization can be conveniently carried out, sulfur dioxide in spraying wastewater and limestone slurry are mixed together and crystallized under the oxidation action of an oxidizing agent to form dihydrate gypsum, and then the dihydrate gypsum is precipitated and discharged, so that water desulfurization is more convenient, rapid and thorough.

Description

Technical Field

[0001] The utility model relates to the technical field of desulfurization, in particular to a water desulfurization device based on a spraying technology. Background Art

[0002] In the prior art, a desulfurization wastewater treatment spray device is used to spray and discharge or dispose of desulfurization wastewater. In the specification of a desulfurization wastewater treatment spray device in the prior art (Announcement No. CN219377553U), it is mentioned that "connecting plates are fixedly installed on the left and right sides of the connecting pipe, a cylinder is fixedly installed on the bottom end of the connecting plate, a lifting plate is fixedly sleeved on the output shaft of the cylinder, a lifting bin is fixedly installed on the bottom end of the lifting plate, a flow control bin is fixedly installed on the bottom end of the lifting bin, a threaded pipe is threadedly connected to the bottom end of the flow control bin, and a spray head is fixedly installed on the bottom end of the threaded pipe", but the prior art does not completely desulfurize the spray wastewater, and sulfur dioxide is easily left after treatment, and the discharge is not safe and reliable. Utility Model Content

[0003] In order to overcome the defects of the prior art, a water desulfurization device based on spraying technology is now provided to solve the problem that the prior art is not complete in desulfurizing the spraying wastewater, sulfur dioxide is easily left after treatment, and the water desulfurization is not thorough.

[0004] To achieve the above-mentioned purpose, a water desulfurization device based on spraying technology is provided, including a spray tower, a spray pipe and a desulfurization tank. An upper hanger is arranged on the inner wall of the upper part of the spray tower, and the spray pipe is hung on the upper hanger. A desulfurization tank is arranged in the lower part of the spray tower, and a filter net bag is installed on the desulfurization tank, and the filter net bag and the desulfurization tank are split and connected. A sedimentation tank is arranged at the lower part of the desulfurization tank, and a sewage discharge pipe outlet is arranged at the front part of the sedimentation tank.

[0005] Furthermore, a support leg is provided on the lower end surface of the spray tower, and a middle hanging frame is provided in the middle of the inner wall of the spray tower, and a guide bucket is hung on the middle hanging frame.

[0006] Furthermore, an external delivery pipe is connected to the middle of the right side of the spray tower, an electromagnetic control valve is installed on the right side of the external delivery pipe, and a liquid inlet hopper is arranged at the right end of the external delivery pipe.

[0007] Furthermore, the spray pipe is connected to a plurality of lower connecting pipes, and a spray head is installed at the lower end of the lower connecting pipe, and the spray head is a detachable structure.

[0008] Furthermore, a first motor is installed at the lower portion of the rear side surface of the sedimentation tank, a first rotating shaft is installed at the front end of the first motor, and a screw conveying paddle is provided on the first rotating shaft.

[0009] Furthermore, a second motor is arranged in the middle of the upper part of the filter net bag, a sealing layer is arranged outside the second motor, and an external hanging frame is arranged at the upper end of the filter net bag, the external hanging frame is sleeved outside the upper end of the desulfurization tank, and a second rotating shaft is installed at the lower end of the second motor, and stirring paddles are arranged on both sides of the left and right sides of the second rotating shaft.

[0010] The beneficial effects of the utility model are:

[0011] 1. The utility model transports spray water into the spray tower through the spray pipe, and the spray water is used to wash the waste gas, which is more convenient and saves trouble.

[0012] 2. The guide bucket in the utility model is arranged to guide the sprayed water into the filter mesh bag, so that the diversion and transportation is more accurate and convenient, and the external delivery pipe is arranged to transport limestone slurry with a concentration of % in the sedimentation tank into the filter mesh bag. The water sprayed into the desulfurization tank is fully mixed with the limestone slurry, and then a proper amount of oxidant is transported to the desulfurization tank through the external delivery pipe, so that the sulfur dioxide in the sprayed wastewater reacts with the calcium carbonate in the slurry and the oxidant to generate calcium sulfate. After the calcium sulfate reaches a certain saturation, it crystallizes to form dihydrate gypsum. The dihydrate gypsum precipitated in the sedimentation tank is convenient to be discharged, and the water desulfurization is convenient and practical.

[0013] 3. The filter net bag in the utility model is provided to filter out large particles from the sprayed water and the limestone slurry filtered by the external delivery pipe, so as to avoid affecting the crystallization of calcium sulfate to form dihydrate gypsum, which is more stable and practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a cross-sectional schematic diagram of an embodiment of the utility model;

[0015] Figure 2 A schematic diagram of a spray pipe according to an embodiment of the utility model;

[0016] Figure 3 It is a front view schematic diagram of a desulfurization tank according to an embodiment of the utility model;

[0017] Figure 4 Schematic diagram of the filter net bag according to an embodiment of the present utility model.

[0018] In the figure: 1. spray tower; 10. upper bracket; 11. middle bracket; 12. guide bucket; 13. external conveying pipe; 14. electromagnetic control valve; 15. liquid inlet bucket; 16. support leg; 2. spray pipe; 20. lower connecting pipe; 21. spray head; 3. desulfurization tank; 30. sedimentation tank; 31. sewage outlet; 32. first motor; 33. first rotating shaft; 34. screw conveying paddle; 4. filter net bag; 40. sealing layer; 41. second motor; 42. external bracket; 43. second rotating shaft; 44. stirring paddle. DETAILED DESCRIPTION

[0019] In order to make the technical problems, technical solutions and beneficial effects to be solved by the utility model clearer, the utility model is further described in detail in combination with the accompanying drawings and embodiments. The specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model. Specific details such as specific system structures and technologies are proposed in order to more thoroughly understand the embodiments of the utility model. The described embodiments are part of the embodiments of the present disclosure, rather than all of the embodiments. However, it should be clear to those skilled in the art that the utility model can also be implemented in other embodiments without these specific details. Based on the embodiments in the present disclosure, all other embodiments obtained by those skilled in the art without making creative work belong to the scope of protection of the present disclosure.

[0020] The specific implementation of the utility model is described in detail below with reference to the accompanying drawings.

[0021] Figure 1 It is a cross-sectional schematic diagram of an embodiment of the utility model, Figure 2 A schematic diagram of a spray pipe according to an embodiment of the utility model. Figure 3 The schematic diagram of the desulfurization tank of the utility model embodiment is shown in FIG. Figure 4 Schematic diagram of the filter net bag according to an embodiment of the present utility model.

[0022] Reference Figures 1 to 4 As shown, the utility model provides a water desulfurization device based on the spraying technology, including a spray tower 1, a spray pipe 2 and a desulfurization tank 3, an upper bracket 10 is arranged on the inner wall of the upper inner part of the spray tower 1, and the spray pipe 2 is hung on the upper bracket 10, a desulfurization tank 3 is arranged at the lower inner part of the spray tower 1, and a filter net bag 4 is installed on the desulfurization tank 3, and the filter net bag 4 and the desulfurization tank 3 are split and connected, a sedimentation tank 30 is arranged at the lower part of the desulfurization tank 3, and a sewage discharge pipe outlet 31 is arranged at the front part of the sedimentation tank 30.

[0023] In this embodiment, a plurality of lower connecting pipes 20 are connected to the spray pipe 2, and a spray head 21 is installed at the lower end of the lower connecting pipe 20, and the spray head 21 is a detachable structure.

[0024] As a preferred embodiment, the utility model transports spray water into the spray tower 1 through the spray pipe 2, and the spray water is sprayed to wash the exhaust gas, which is more convenient and saves trouble.

[0025] In this embodiment, a support leg 16 is provided on the lower end face of the spray tower 1, and a middle bracket 11 is provided in the middle of the inner wall of the spray tower 1, and a guide bucket 12 is hung on the middle bracket 11; an external delivery pipe 13 is connected to the middle of the right side of the spray tower 1, and an electromagnetic control valve 14 is installed on the right part of the external delivery pipe 13, and a liquid inlet bucket 15 is provided at the right end of the external delivery pipe 13.

[0026] As a preferred embodiment, the guide bucket 12 in the utility model is arranged to guide the sprayed water into the filter net bag 4, so that the diversion and transportation is more accurate and convenient, and the external delivery pipe 13 is arranged to transport limestone slurry with a concentration of 30% in the sedimentation tank into the filter net bag 4, and the water sprayed into the desulfurization tank 3 is fully mixed with the limestone slurry, and then an appropriate amount of oxidant is transported into the desulfurization tank 3 through the external delivery pipe 13, so that the sulfur dioxide in the sprayed wastewater can react with the calcium carbonate in the slurry and the oxidant to generate calcium sulfate. After the calcium sulfate reaches a certain saturation, it crystallizes to form dihydrate gypsum, and the dihydrate gypsum precipitated in the sedimentation tank 30 is convenient to be discharged, and water desulfurization is convenient and practical.

[0027] In this embodiment, a first motor 32 is installed at the lower portion of the rear side surface of the sedimentation tank 30, a first rotating shaft 33 is installed at the front end of the first motor 32, and a screw conveying paddle 34 is arranged on the first rotating shaft 33; a second motor 41 is arranged in the middle of the upper part of the filter net bag 4, a sealing layer 40 is arranged outside the second motor 41, and an external hanging bracket 42 is arranged at the upper end of the filter net bag 4, the external hanging bracket 42 is sleeved on the outer side of the upper end of the desulfurization tank 3, and a second rotating shaft 43 is installed at the lower end of the second motor 41, and stirring paddles 44 are arranged on both sides of the left and right sides of the second rotating shaft 43.

[0028] As a preferred embodiment, the filter net bag 4 in the utility model is provided to filter the sprayed water and the limestone slurry filtered by the external delivery pipe 13 into large particles, avoiding affecting the crystallization of calcium sulfate to form dihydrate gypsum, which is more stable and practical.

[0029] The utility model can effectively solve the problems that the prior art is incomplete in desulfurization of spray wastewater, sulfur dioxide is easily left after treatment, and water desulfurization is not thorough. The utility model facilitates large-scale spray desulfurization. After the sulfur dioxide in the spray wastewater is mixed with limestone slurry, it crystallizes to form dihydrate gypsum under the oxidation action of the oxidant, and then precipitates and is discharged. Water desulfurization is more convenient, rapid and thorough.

[0030] The above embodiments are used to explain the present invention rather than to limit the present invention. Any modifications and changes made to the present invention within the spirit of the present invention and the scope of the claims for protection shall be included in the protection scope of the present invention.

Claims

1. A water desulfurization device based on spraying technology, characterized in that: The invention comprises a spray tower (1), a spray pipe (2) and a desulfurization tank (3); an upper hanger (10) is arranged on the inner side wall of the upper part of the spray tower (1), and the spray pipe (2) is hung on the upper hanger (10); a desulfurization tank (3) is arranged at the lower part of the spray tower (1), and a filter net bag (4) is installed on the desulfurization tank (3), and the filter net bag (4) and the desulfurization tank (3) are detachably connected; a sedimentation tank (30) is arranged at the lower part of the desulfurization tank (3), and a sewage discharge pipe outlet (31) is arranged at the front part of the sedimentation tank (30).

2. A water desulfurization device based on spraying technology according to claim 1, characterized in that: A support foot (16) is provided on the lower end surface of the spray tower (1), and a middle hanging frame (11) is provided in the middle of the inner side wall of the spray tower (1), and a guide bucket (12) is hung on the middle hanging frame (11).

3. A water desulfurization device based on spraying technology according to claim 1, characterized in that: An external delivery pipe (13) is connected to the middle of the right side of the spray tower (1), an electromagnetic control valve (14) is installed on the right side of the external delivery pipe (13), and a liquid inlet hopper (15) is provided at the right end of the external delivery pipe (13).

4. A water desulfurization device based on spraying technology according to claim 1, characterized in that: The spray pipe (2) is connected to a plurality of lower connecting pipes (20) at its lower end, and a spray head (21) is installed at the lower end of the lower connecting pipe (20), and the spray head (21) is a detachable structure.

5. A water desulfurization device based on spraying technology according to claim 1, characterized in that: A first motor (32) is installed at the lower part of the rear side surface of the sedimentation tank (30), a first rotating shaft (33) is installed at the front end of the first motor (32), and a screw conveying paddle (34) is provided on the first rotating shaft (33).

6. A water desulfurization device based on spraying technology according to claim 1, characterized in that: A second motor (41) is arranged in the middle of the upper part of the filter net bag (4), a sealing layer (40) is arranged outside the second motor (41), and an external hanging frame (42) is arranged at the upper end of the filter net bag (4), the external hanging frame (42) is sleeved outside the upper end of the desulfurization tank (3), and a second rotating shaft (43) is installed at the lower end of the second motor (41), and stirring paddles (44) are arranged on both left and right sides of the second rotating shaft (43).

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