Boiler water dedusting and filtering device

Abstract

The utility model is applicable to the technical field of dust removal and filtration, and provides a boiler water dust removal and filtration device which comprises a bottom plate, and a dust removal box is fixedly mounted at the top of the bottom plate; the smoke inlet pipe is fixedly arranged on the dust removal box and is used for conveying boiler smoke; the first filter screen is fixedly mounted on the inner wall of the dust removal box and is used for flue gas dust removal; the water tank is fixedly mounted on one side of the dust removal box, a through pipe is arranged on one side of the water tank, one end of the through pipe extends into the dust removal box, and a second filter screen is fixedly mounted on the through pipe; the liquid spraying mechanism is mounted on the dust removal box and is used for treating boiler flue gas; and the filtering mechanism is assembled on the bottom plate and is used for filtering boiler flue gas. According to the boiler water dedusting and filtering device provided by the scheme, the problems that when an existing industrial boiler flue gas desulfurization and denitrification device is used, it is difficult to guarantee that all flue gas can make contact with water, and the water cannot be recycled are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of dust removal and filtration, and particularly relates to a boiler water dust removal and filtration device. Background Art

[0002] Boiler flue gas is a mixture of gas and smoke, mainly sulfur and nitrogen oxides as compounds and smoke including fuel ash, coal particles, oil droplets and high-temperature cracking products. If the flue gas is discharged directly, it will cause serious environmental pollution. According to environmental protection requirements, the flue gas needs to be effectively dust-removed and filtered before it is discharged.

[0003] After searching, the authorization announcement number CN215276616U is an industrial boiler flue gas desulfurization and denitrification device, whose structure includes a desulfurization and denitrification box, a filter box and a transparent water tank, a smoke inlet pipe is arranged at the lower end of the left side of the desulfurization and denitrification box, a filter screen is arranged in the middle of the desulfurization and denitrification box, a connecting pipe is arranged at the upper end of the right side of the desulfurization and denitrification box, and the bottom of the connecting pipe is connected to one side of the fan, the filter box is installed on the right side of the upper end of the bearing plate, a water inlet pipe is arranged on the right side of the upper end of the transparent water tank, and a plurality of nozzles are arranged at the lower end of the transverse pipe. The industrial boiler flue gas desulfurization and denitrification device is provided with a desulfurization and denitrification box, a filter screen, a transparent water tank, a water inlet pipe, a water pump, a transverse pipe and a nozzle, the flue gas is preliminarily dusted by the filter screen, and then the flue gas in the desulfurization and denitrification box is sprayed by the nozzle arranged at the upper end of the desulfurization and denitrification box, so that the flue gas can be more fully in contact with the reactant in the water, thereby improving the reaction rate, making the reaction more sufficient, and treating the flue gas more thoroughly.

[0004] However, the above-mentioned device has some disadvantages when in use. For example, when the device uses a nozzle to treat the boiler flue gas, the horizontal pipe cannot rotate the nozzle, making it difficult to ensure that all the flue gas can come into contact with water, which will greatly reduce the treatment effect of the flue gas. In addition, the water used in the device can only be used once and cannot be recycled, which not only causes a waste of water resources, but also increases the treatment cost. Utility Model Content

[0005] The utility model provides a boiler water dust removal and filtering device, aiming to solve the problem that the existing industrial boiler flue gas desulfurization and denitrification device proposed in the above background technology is difficult to ensure that all flue gas can contact water during use and the water cannot be recycled.

[0006] To solve the above-mentioned problem, the utility model is implemented as follows: a boiler water dust removal and filtering device comprises: a base plate, a dust removal box is fixedly installed on the top of the base plate; a smoke inlet pipe fixedly installed on the dust removal box for conveying boiler smoke; a first filter screen fixedly installed on the inner wall of the dust removal box for smoke dust removal; a water tank fixedly installed on one side of the dust removal box, a through pipe is provided on one side of the water tank, one end of the through pipe extends to the interior of the dust removal box, and a second filter screen is fixedly installed on the through pipe; a liquid spraying mechanism installed on the dust removal box for treating boiler smoke; and a filtering mechanism mounted on the base plate for filtering boiler smoke.

[0007] Preferably, the spraying mechanism includes: a mounting tube rotatably mounted on the dust removal box, a horizontal tube fixedly mounted on the bottom end of the mounting tube, and a plurality of nozzles fixedly mounted on the horizontal tube; a motor fixedly mounted on the top of the dust removal box, a first bevel gear fixedly sleeved on the output shaft of the motor; a second bevel gear fixedly sleeved on the mounting tube, the second bevel gear being combined with the first bevel gear; a water pump fixedly mounted on one side of the dust removal box, a water suction pipe fixedly mounted on the water inlet end of the water pump, one end of the water suction pipe extending to the interior of the water tank; a drain pipe fixedly mounted on the drain end of the water pump, one end of the drain pipe being rotatably connected to the top end of the mounting tube.

[0008] Preferably, the filtering mechanism includes: a filter box welded on the top of the base plate, two activated carbon filters are arranged inside the filter box, and a discharge pipe is arranged on one side of the filter box; a fan fixedly installed on one side of the dust removal box, a connecting pipe is fixedly installed on the air inlet end of the fan, and one end of the connecting pipe extends to the interior of the dust removal box; an exhaust pipe fixedly installed on the exhaust end of the fan, and one end of the exhaust pipe extends to the interior of the filter box.

[0009] Preferably, a take-in / take-out opening is provided on one side of the filter box, and a sealing door is provided on the take-in / take-out opening.

[0010] Preferably, a sewage pipe is fixedly mounted on the bottom plate, the top end of the sewage pipe extends to the interior of the dust removal box, and a valve is provided on the sewage pipe.

[0011] Preferably, a water inlet pipe is fixedly installed on the top of the water tank, and the water inlet pipe is connected with the interior of the water tank.

[0012] Preferably, a plurality of supporting legs are fixedly mounted on the bottom of the base plate, and a pad is fixedly mounted on the bottom ends of the plurality of supporting legs.

[0013] Compared with the related art, the boiler water dust removal and filtering device provided by the utility model has the following beneficial effects:

[0014] Compared with the prior art, the boiler water dust removal and filtering device provided in the present invention can inject water mixed with desulfurization and denitrification reactants into the water tank through the water inlet pipe, and can discharge the boiler flue gas into the dust removal box through the smoke inlet pipe, so that the first filter can perform preliminary dust removal on the flue gas, and the water in the water tank can be evenly sprayed on the inside of the dust removal box through the liquid spraying mechanism, so that the water and the flue gas can be fully in contact, ensuring that all the flue gas can be in contact with the water, greatly improving the treatment effect of the flue gas, so that the flue gas can be effectively dusted and desulfurized and denitrified. The used water can be filtered and treated through the through pipe and the second filter and the water can be transferred to the water tank, so that the water used by the device can be recycled, which not only reduces resource waste, but also reduces processing costs, and has a better use effect. The remaining dust and harmful substances in the flue gas after water treatment can be filtered and adsorbed by the filtering mechanism and finally discharged. The sediment and water in the dust removal box can be discharged when needed through the sewage pipe and the valve, and the operation is relatively convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a cross-sectional structural schematic diagram of a boiler water dust removal and filtering device provided by the utility model;

[0016] Figure 2 for Figure 1 An enlarged structural diagram of part A shown in FIG.

[0017] Figure 3 for Figure 1 An enlarged schematic diagram of the structure of part B shown in FIG.

[0018] Figure 4 It is a three-dimensional structural schematic diagram of the filter box and the sealing door in the utility model.

[0019] Figure numerals: 1. bottom plate; 2. dust removal box; 3. smoke inlet pipe; 4. first filter; 5. water tank; 6. through pipe; 7. second filter; 8. mounting pipe; 9. horizontal pipe; 10. motor; 11. first bevel gear; 12. second bevel gear; 13. water pump; 14. suction pipe; 15. drain pipe; 16. filter box; 17. activated carbon filter; 18. fan; 19. connecting pipe; 20. exhaust pipe; 21. sealing door; 22. sewage pipe. DETAILED DESCRIPTION

[0020] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field of the present application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit the present application; the terms "including" and "having" in the specification and claims of the present application and the above-mentioned figure descriptions and any variations thereof are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of the present application or the above-mentioned figures are used to distinguish different objects, rather than to describe a specific order; the terms "inside", "outside", "left", and "right" indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0021] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0022] The utility model provides a boiler water dust removal and filtering device, such as Figure 1-4 As shown, the boiler water dust removal and filtering device includes: a base plate 1, a dust removal box 2 is fixedly installed on the top of the base plate 1; a smoke inlet pipe 3 fixedly installed on the dust removal box 2 for conveying boiler smoke; a first filter 4 fixedly installed on the inner wall of the dust removal box 2 for smoke dust removal; a water tank 5 fixedly installed on one side of the dust removal box 2, a through pipe 6 is provided on one side of the water tank 5, one end of the through pipe 6 extends to the interior of the dust removal box 2, and a second filter 7 is fixedly installed on the through pipe 6; a liquid spraying mechanism installed on the dust removal box 2 for treating boiler smoke; and a filtering mechanism mounted on the base plate 1 for filtering boiler smoke.

[0023] In this embodiment, when the device is used to treat boiler flue gas, water mixed with desulfurization and denitrification reactants is first injected into the water tank 5, and then the power supply of the device is started, and then the boiler flue gas is discharged into the dust removal box 2 through the smoke inlet pipe 3, and the first filter 4 will perform preliminary dust removal on the flue gas. At the same time, the liquid spraying mechanism will evenly spray the water in the water tank 5 on the inside of the dust removal box 2, so that the water and the flue gas can fully contact, so that the flue gas can be effectively dust-removed and desulfurized and denitrified. Then, the water will pass through the first filter 4 and drip to the bottom of the dust removal box 2, and then be filtered by the second filter 7, and can enter the water tank 5 from the through pipe 6, so that the water used by the device can be recycled, which not only reduces resource waste, but also reduces processing costs, and has a better use effect. Then, the flue gas treated with water will be processed by the filtering mechanism, and the remaining dust and harmful substances in the flue gas can be filtered and adsorbed, and finally discharged.

[0024] In a further preferred embodiment of the utility model, the spraying mechanism includes: a mounting tube 8 rotatably mounted on the dust removal box 2, a cross tube 9 fixedly mounted on the bottom end of the mounting tube 8, and a plurality of nozzles fixedly mounted on the cross tube 9; a motor 10 fixedly mounted on the top of the dust removal box 2, a first bevel gear 11 fixedly sleeved on the output shaft of the motor 10; a second bevel gear 12 fixedly sleeved on the mounting tube 8, the second bevel gear 12 is combined with the first bevel gear 11; a water pump 13 fixedly mounted on one side of the dust removal box 2, a water suction pipe 14 fixedly mounted on the water inlet end of the water pump 13, one end of the water suction pipe 14 extends to the interior of the water tank 5; a drain pipe 15 fixedly mounted on the drain end of the water pump 13, one end of the drain pipe 15 is rotatably connected to the top end of the mounting tube 8.

[0025] In this embodiment, the spraying mechanism is used to treat boiler flue gas. When working, the water pump 13 will transport the water in the water tank 5 to the installation pipe 8 through the suction pipe 14 and the drainage pipe 15, and the installation pipe 8 will transport the water to the cross pipe 9, and finally spray it out from multiple nozzles. At the same time, the motor 10 will drive the first bevel gear 11 to rotate, the first bevel gear 11 will drive the second bevel gear 12 to rotate, the second bevel gear 12 will drive the installation pipe 8 to rotate, and the installation pipe 8 will drive the cross pipe 9 to rotate, so that multiple nozzles can spray water into the entire dust removal box 2 by rotating, so that all the flue gas can be guaranteed to come into contact with water, which greatly improves the treatment effect of the flue gas.

[0026] In a further preferred embodiment of the utility model, the filtering mechanism includes: a filter box 16 welded on the top of the base plate 1, two activated carbon filters 17 are arranged inside the filter box 16, and a discharge pipe is arranged on one side of the filter box 16; a fan 18 fixedly installed on one side of the dust removal box 2, a connecting pipe 19 is fixedly installed on the air inlet end of the fan 18, and one end of the connecting pipe 19 extends to the interior of the dust removal box 2; an exhaust pipe 20 fixedly installed on the exhaust end of the fan 18, and one end of the exhaust pipe 20 extends to the interior of the filter box 16.

[0027] In this embodiment, the filtering mechanism is used to filter the boiler flue gas. When working, the fan 18 will transmit the water-treated flue gas to the exhaust pipe 20 through the connecting pipe 19, and the exhaust pipe 20 will transmit the flue gas to the filter box 16. Then the two activated carbon filters 17 can filter and adsorb the remaining dust and harmful substances in the flue gas. Finally, the flue gas will be discharged from the exhaust pipe.

[0028] In a further preferred embodiment of the present invention, a take-in / put-out opening is provided on one side of the filter box 16, and a sealing door 21 is provided on the take-in / put-out opening.

[0029] In this embodiment, by providing a take-in and put-out port and setting a sealing door 21, the user can easily take out and put in the activated carbon filter 17, making the replacement and maintenance of the activated carbon filter 17 more convenient.

[0030] In a further preferred embodiment of the utility model, a sewage pipe 22 is fixedly installed on the bottom plate 1 , the top end of the sewage pipe 22 extends to the interior of the dust removal box 2 , and a valve is provided on the sewage pipe 22 .

[0031] In this embodiment, a drain pipe 22 is fixedly installed on the base plate 1. A valve is provided on the drain pipe 22 for controlling the opening and closing of the drain pipe 22. When the sediment in the dust removal box 2 needs to be discharged, it can be achieved by opening the valve. During normal operation, the valve remains closed to prevent gas or liquid leakage.

[0032] In a further preferred embodiment of the present invention, a water inlet pipe is fixedly installed on the top of the water tank 5 , and the water inlet pipe is connected to the interior of the water tank 5 .

[0033] In this embodiment, a water inlet pipe is fixedly installed on the top of the water tank 5, and the water inlet pipe is connected with the inside of the water tank 5. The user can directly add water to the water tank 5 through the water inlet pipe, which is convenient for adding water.

[0034] In a further preferred embodiment of the present invention, a plurality of supporting legs are fixedly mounted on the bottom of the base plate 1, and pads are fixedly mounted on the bottom ends of the plurality of supporting legs.

[0035] In this embodiment, a plurality of supporting legs are fixedly installed at the bottom of the base plate 1, and a pad is fixedly installed at the bottom end of each supporting leg. The presence of the pad not only increases the contact area between the supporting leg and the ground, but also improves the stability of the device.

[0036] To sum up, compared with the relevant technology, the present solution can inject water mixed with desulfurization and denitrification reactants into the water tank 5 through the water inlet pipe, and can discharge the boiler flue gas into the dust removal box 2 through the smoke inlet pipe 3, so that the first filter 4 can perform preliminary dust removal on the flue gas, and the water in the water tank 5 can be evenly sprayed on the inside of the dust removal box 2 through the liquid spraying mechanism, so that the water and the flue gas can be fully in contact, ensuring that all the flue gas can be in contact with the water, greatly improving the treatment effect of the flue gas, so that the flue gas can be effectively dusted and desulfurized and denitrified. The used water can be filtered and treated through the through pipe 6 and the second filter 7 and the water can be transferred to the water tank 5, so that the water used by the device can be recycled, which not only reduces resource waste, but also reduces processing costs, and has a better use effect. The remaining dust and harmful substances in the flue gas after water treatment can be filtered and adsorbed by the filtering mechanism and finally discharged. The sediment and water in the dust removal box 2 can be discharged when needed through the sewage pipe 22 and the valve, and the operation is relatively convenient.

[0037] In the several embodiments provided in this application, it should be understood that the disclosed device can be implemented in other ways.

[0038] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit the protection scope of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. Although the utility model has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the utility model according to the circumstances without conflict, without making creative work, so as to obtain different other technical solutions that do not deviate from the concept of the utility model in essence, and these technical solutions also belong to the scope of protection of the utility model.

Claims

1. A boiler water dust removal and filtering device, characterized in that: include: A bottom plate, a dust removal box is fixedly mounted on the top of the bottom plate; A smoke inlet pipe fixedly mounted on the dust removal box for conveying boiler smoke; A first filter screen fixedly mounted on the inner wall of the dust removal box for removing dust from flue gas; A water tank fixedly mounted on one side of the dust removal box, a through pipe is provided on one side of the water tank, one end of the through pipe extends to the interior of the dust removal box, and a second filter is fixedly mounted on the through pipe; A liquid spraying mechanism installed on the dust removal box for treating boiler flue gas; A filtering mechanism is mounted on the bottom plate for filtering boiler flue gas.

2. The boiler water dust removal and filtering device according to claim 1, characterized in that: The spraying mechanism comprises: A mounting tube rotatably mounted on the dust removal box, wherein a horizontal tube is fixedly mounted on the bottom end of the mounting tube, and a plurality of nozzles are fixedly mounted on the horizontal tube; A motor is fixedly mounted on the top of the dust removal box, and a first bevel gear is fixedly sleeved on the output shaft of the motor; a second bevel gear fixedly sleeved on the mounting tube, the second bevel gear being combined with the first bevel gear; A water pump fixedly mounted on one side of the dust removal box, a water pumping pipe fixedly mounted on the water inlet end of the water pump, one end of the water pumping pipe extending into the interior of the water tank; A drainage pipe is fixedly mounted on the drainage end of the water pump, and one end of the drainage pipe is rotatably connected to the top end of the mounting pipe.

3. The boiler water dust removal and filtering device according to claim 1, characterized in that: The filtering mechanism comprises: A filter box welded on the top of the bottom plate, wherein two activated carbon filters are arranged inside the filter box, and a discharge pipe is arranged on one side of the filter box; A fan fixedly mounted on one side of the dust removal box, a connecting pipe fixedly mounted on the air inlet end of the fan, one end of the connecting pipe extending into the interior of the dust removal box; An exhaust pipe is fixedly mounted on the exhaust end of the fan, and one end of the exhaust pipe extends to the interior of the filter box.

4. The boiler water dust removal and filtering device according to claim 3, characterized in that: A take-in and put-out opening is provided on one side of the filter box, and a sealing door is provided on the take-in and put-out opening.

5. The boiler water dust removal and filtering device according to claim 1, characterized in that: A sewage pipe is fixedly mounted on the bottom plate, a top end of the sewage pipe extends to the interior of the dust removal box, and a valve is arranged on the sewage pipe.

6. The boiler water dust removal and filtering device according to claim 1, characterized in that: A water inlet pipe is fixedly installed on the top of the water tank, and the water inlet pipe is communicated with the interior of the water tank.

7. The boiler water dust removal and filtering device according to claim 1, characterized in that: A plurality of supporting legs are fixedly mounted on the bottom of the base plate, and a pad is fixedly mounted on the bottom ends of the plurality of supporting legs.

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