Multi-purification flue gas denitration device

Abstract

The utility model provides a multi-purification flue gas denitration device, which belongs to the technical field of flue gas denitration, and comprises a treatment box, a multi-purification denitration component and a waste heat utilization component, the multi-purification denitration assembly comprises a connecting ring hermetically communicated to the top of the connecting pipe device, the interior of the connecting ring is in threaded connection with a dispersing ring, two connecting rails are arranged at the bottoms of the two sides of the inner wall of the treatment box, the interiors of the two connecting rails are in sliding connection with a dispersing plate, flue gas is preliminarily dispersed through the dispersing ring, and the flue gas is dispersed through the dispersing plate. The flue gas enters the dispersion plate for secondary dispersion, is subjected to denitration treatment through the denitration catalyst after dispersion, enters the activated carbon adsorber for secondary treatment and purification after treatment, and enters the filter bottle through the conveying pipe for three-time filtration treatment through the filter element after treatment of the activated carbon adsorber, so that the aim of multiple denitration and purification is fulfilled; and the safety is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of flue gas denitration, and in particular relates to a multiple-purification flue gas denitration device. Background Art

[0002] When coal-fired power generation is carried out, a lot of flue gas is usually generated. After the flue gas is discharged, it needs to be denitrated. At this time, a denitrification device is needed. After searching, the application number "202221544327.1" discloses "a multi-purification flue gas denitrification device", which records "In this device, a through groove and an auxiliary groove are set, so that when the device is in use, the catalyst and activated carbon can be controlled in advance to be installed inside the mounting part, and then the mounting part is controlled to be installed and used, so that when the flue gas passes through the denitrification, the flue gas can pass through the through groove and the auxiliary groove at the same time, so that the flue gas can be gathered and dispersed, so that the flue gas can pass through the catalyst and activated carbon evenly, so that the flue gas can be secondary purified, and then evenly denitrated. "The flue gas can be purified by denitrification to improve the purification effect, improve the utilization rate of catalysts and activated carbon, and make the flue gas be used for multiple purifications". By setting the through slots and auxiliary slots, the catalyst and activated carbon can be installed inside the mounting parts in advance when the device is used, and then the mounting parts can be installed and used, so that when the flue gas passes through the denitrification, the flue gas can pass through the through slots and auxiliary slots at the same time, so that the flue gas can be gathered and dispersed, so that the flue gas can pass through the catalyst and activated carbon evenly, and indeed, the flue gas can be purified twice, and then evenly denitrified for purification, improving the purification effect, improving the utilization rate of catalysts and activated carbon, and making the flue gas be used for multiple purifications. However, the above comparative documents still have the following problems in actual use:

[0003] In actual use, secondary purification may result in incomplete purification, resulting in the presence of harmful substances in the flue gas, and the waste heat generated by the flue gas during use cannot be recycled, resulting in a waste of resources.

[0004] Based on this, it is extremely practical to provide a device that can achieve multiple purifications and waste heat recovery. Utility Model Content

[0005] The utility model aims to provide a multiple-purification flue gas denitrification device, aiming to solve the above-mentioned technical problems.

[0006] The embodiment of the utility model provides a multiple-purification flue gas denitration device, comprising a processing box, a multiple-purification denitration component and a waste heat utilization component.

[0007] The bottom of the processing box is sealed and connected with a funnel, and the interior of the funnel is connected with a connecting pipe;

[0008] The multiple purification and denitration assembly comprises a connection ring which is sealed and connected to the top of the connection pipe, the internal thread of the connection ring is connected to a dispersion ring, two connection rails are arranged at the bottom of the inner wall of the treatment box, the two connection rails are slidably connected to the dispersion plates, a plurality of sliding guide rails are arranged at the inner wall of the treatment box, two of the sliding guide rails are slidably connected to the middle of a denitration catalyst, and the other two sliding guide rails are slidably connected to the middle of an activated carbon adsorber, a recovery hopper is arranged at the top of the inner wall of the treatment box, the top of the recovery hopper is sealed and connected to a connector, a delivery pipe is arranged at the top of the connector through the treatment box, a connection cover is threadedly connected to the bottom of the end of the delivery pipe, a filter bottle is threadedly connected to the bottom of the connection cover, and a filter element is movably connected to the inside of the filter bottle;

[0009] The waste heat utilization component is sealed and connected to a hose at the bottom of the filter bottle, the end of the hose is sealed and connected to a recovery box, a plurality of air outlets are provided on the top of the recovery box, a support ring is provided on the top of the recovery box, a water storage barrel is movably connected to the top of the support ring, the top of the water storage barrel is sealed and connected to a water inlet pipe, a water level sensor is provided on the top of the inner wall of the water storage barrel, one end of the water storage barrel is sealed and connected to a first electric valve, and one side of the recovery box is sealed and connected to a plurality of second electric valves.

[0010] In one embodiment of the utility model, a protection door is hinged at one end of the processing box, a handle is arranged at one end of the protection door, and a door lock is arranged inside the handle.

[0011] In an implementation manner of the utility model, fixed plates are provided on both sides of the processing box, and two supporting legs are provided at the bottom of the two fixed plates.

[0012] In an implementation manner of the utility model, one side of the two supporting legs is fixedly connected to the recovery box.

[0013] In one embodiment of the utility model, both sides of the recovery bucket are fixedly connected to both sides of the inner wall of the processing box.

[0014] In one embodiment of the utility model, the processing box is cast from metal chromium, and a PLC controller is provided on one side of the processing box.

[0015] In one implementation of the utility model, the water level sensor, the first electric valve and the second electric valve are all electrically connected to a PLC controller, and the PLC controller is electrically connected to an external power supply.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1) Through the provided dispersion ring, it is convenient for users to connect the connecting pipe to the external exhaust pipe. The flue gas enters the dispersion ring through the connecting pipe, is preliminarily dispersed by the dispersion ring, and enters the dispersion plate for secondary dispersion. After dispersion, it is denitrated by the denitration catalyst, and then enters the activated carbon adsorber for secondary treatment and purification. The flue gas treated by the activated carbon adsorber will be collected in the recovery bucket, and enter the filter bottle through the delivery pipe for three filtration treatments by the filter element, thereby achieving the purpose of multiple denitration and purification, and improving safety;

[0018] 2) Through the provided recovery box, the flue gas purified after filtration in the filter bottle can enter the hose and then enter the recovery box through the hose. The flue gas in the recovery box uses the waste heat to heat the water storage barrel, which is convenient for subsequent users to connect the first electric valve to the external pipeline to supply hot water for use by the users. At this time, the user connects the water inlet pipe through the external pipeline and turns on the water level sensor through the PLC controller. When the water in the water storage barrel reaches the bottom, the information is fed back to the PLC controller. The PLC controller controls the external water pump to add water to the water storage barrel through the external pipeline and the water inlet pipe. When the flue gas enters the recovery box, the user can open one or two of the second electric valves through the PLC controller to control the exhaust speed of the flue gas and indirectly control the heating temperature, thereby achieving the purpose of waste heat utilization and energy saving. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0020] Figure 1 It is a schematic diagram of the structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the internal component structure of the processing box of the utility model;

[0022] Figure 3 This is a schematic diagram of the internal perspective structure of the processing box of the utility model;

[0023] Figure 4 It is a schematic diagram of the exploded structure of the utility model.

[0024] In the figure: 100, treatment box; 110, funnel; 120, connecting pipe; 200, multiple purification and denitrification component; 210, dispersion ring; 220, connecting rail; 230, dispersion plate; 240, sliding guide rail; 250, denitrification catalyst; 260, activated carbon adsorber; 270, recovery bucket; 280, delivery pipe; 290, connecting cover; 2910, filter bottle; 2920, filter element; 300, waste heat utilization component; 310, hose; 320, recovery box; 330, support ring; 340, water storage barrel; 350, water inlet pipe; 360, water level sensor; 370, first electric valve; 380, second electric valve; 400, protection door; 500, handle; 600, fixing plate; 700, support leg. DETAILED DESCRIPTION

[0025] 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.

[0026] Example

[0027] See also Figure 1-4 A multiple purification flue gas denitration device includes a processing box 100, a multiple purification denitration component 200 and a waste heat utilization component 300.

[0028] For details, please refer to Figure 1 The bottom of the processing box 100 is sealed and connected to a funnel 110 , and the interior of the funnel 110 is inserted and connected to a connecting pipe 120 .

[0029] See also Figure 2-4The multiple purification and denitration component 200 includes a connecting ring sealed and connected to the top of the connecting pipe 120, the internal thread of the connecting ring is connected to a dispersion ring 210, two connecting rails 220 are arranged at the bottom of the inner wall of the treatment box 100, and the two connecting rails 220 are internally slidably connected to a dispersion plate 230, and a plurality of sliding guide rails 240 are arranged on both sides of the inner wall of the treatment box 100, wherein a denitration catalyst 250 is slidably connected in the middle of two sliding guide rails 240, and an activated carbon adsorber 260 is slidably connected in the middle of the other two sliding guide rails 240, and a recovery bucket 270 is arranged at the top of the inner wall of the treatment box 100, and the top of the recovery bucket 270 is sealed and connected to a connector, and a delivery pipe 280 is arranged on the top of the connector through the treatment box 100, and a connection cover 290 is threadedly connected to the bottom of the end of the delivery pipe 280, and a filter bottle 2910 is threadedly connected to the bottom of the connection cover 290, and a filter element 2920 is movably connected to the inside of the filter bottle 2910.

[0030] In a specific embodiment, the provided dispersion ring 210 facilitates the user to connect the connecting pipe 120 to the external smoke exhaust pipe. The smoke enters the dispersion ring 210 through the connecting pipe 120, is preliminarily dispersed by the dispersion ring 210, and enters the dispersion plate 230 for secondary dispersion. After dispersion, the smoke is subjected to denitration treatment by the denitration catalyst 250, and then enters the activated carbon adsorber 260 for secondary treatment and purification. The smoke treated by the activated carbon adsorber 260 enters the recovery hopper 270 for collection, and enters the filter bottle 2910 through the delivery pipe 280 for three filtration treatments through the filter element 2920, thereby achieving the purpose of multiple denitration and purification and improving safety.

[0031] See also Figure 1-4 The waste heat utilization component 300 is sealed and connected to the hose 310 at the bottom of the filter bottle 2910, and the end of the hose 310 is sealed and connected to the recovery box 320. A plurality of air outlet holes are provided on the top of the recovery box 320. A support ring 330 is provided on the top of the recovery box 320. A water storage barrel 340 is movably connected to the top of the support ring 330. The top of the water storage barrel 340 is sealed and connected to a water inlet pipe 350. A water level sensor 360 is provided on the top of the inner wall of the water storage barrel 340. One end of the water storage barrel 340 is sealed and connected to a first electric valve 370, and one side of the recovery box 320 is sealed and connected to a plurality of second electric valves 380.

[0032] In a specific embodiment, a recovery box 320 is provided to facilitate the flue gas purified after filtration in the filter bottle 2910 to enter the hose 310 and enter the recovery box 320 through the hose 310. The flue gas in the recovery box 320 uses the waste heat to heat the water storage barrel 340, which is convenient for subsequent users to connect with the external pipeline through the first electric valve 370 to supply hot water for use by the users. At this time, the user connects with the water inlet pipe 350 through the external pipeline and turns on the water level sensor 360 through the PLC controller. When the water in the water storage barrel 340 reaches the bottom, the information is fed back to the PLC controller. The PLC controller will control the external water pump to add water to the water storage barrel 340 through the external pipeline through the water inlet pipe 350. When the flue gas enters the recovery box 320, the user can open one or two of the second electric valves 380 through the PLC controller to control the exhaust speed of the flue gas and indirectly control the heating temperature, thereby achieving the purpose of waste heat utilization and energy saving.

[0033] See also Figure 1 A protection door 400 is hinged at one end of the processing box 100 , a handle 500 is provided at one end of the protection door 400 , and a door lock is provided inside the handle 500 .

[0034] In a specific embodiment, a protective door 400 is provided, which facilitates the user to open the protective door 400 through the door lock, and to open the protective door 400 through the handle 500, so that the denitration catalyst 250, the activated carbon adsorber 260, the dispersion ring 210 and the dispersion plate 230 in the treatment box 100 can be taken out for cleaning.

[0035] See also Figure 1 A fixing plate 600 is disposed on both sides of the processing box 100 , and two supporting legs 700 are disposed at the bottom of the two fixing plates 600 .

[0036] In a specific embodiment, the supporting legs 700 are provided to facilitate the support and fixation of the processing box 100, so that the processing box 100 can be more stable during use, avoiding shaking during use and improving stability.

[0037] See also Figure 1 , wherein one side of the two supporting legs 700 is fixedly connected to the recovery box 320 .

[0038] In a specific embodiment, the recovery box 320 is provided to facilitate fixing with two of the support legs 700 during use, thereby making the recovery box 320 itself more stable during use and avoiding shaking during use.

[0039] See also Figure 2 Both sides of the recovery bucket 270 are fixedly connected to both sides of the inner wall of the processing box 100.

[0040] In a specific embodiment, the recovery bucket 270 is provided to facilitate fixed connection of both sides thereof with the inner wall of the processing box 100, so that the processing box 100 can reinforce the recovery bucket 270 to make it more stable during use.

[0041] See also Figure 1 The processing box 100 is cast from metal chromium, and a PLC controller is provided on one side of the processing box 100 .

[0042] In a specific embodiment, the metal chromium is provided to facilitate the use of the processing box 100. The strong and heat-resistant properties of the metal chromium can be utilized to make the processing box 100 stronger during use, thereby increasing its service life.

[0043] See also Figure 1-4 The water level sensor 360, the first electric valve 370 and the second electric valve 380 are all electrically connected to the PLC controller, and the PLC controller is electrically connected to the external power supply.

[0044] In a specific embodiment, a PLC controller is provided to facilitate powering on electrical equipment when it is needed, thereby avoiding the situation where it cannot be powered on when it is needed.

[0045] During use, firstly, the provided dispersion ring 210 is used to facilitate the user to connect the connecting pipe 120 to the external exhaust pipe, and the flue gas enters the dispersion ring 210 through the connecting pipe 120, and the flue gas is preliminarily dispersed by the dispersion ring 210, and enters the dispersion plate 230 for secondary dispersion, and is subjected to denitration treatment by the denitration catalyst 250 after dispersion, and then enters the activated carbon adsorber 260 for secondary treatment and purification, and the flue gas treated by the activated carbon adsorber 260 will enter the recovery bucket 270 for collection, and enter the filter bottle 2910 through the delivery pipe 280 for three filtration treatments by the filter element 2920, thereby achieving the purpose of multiple denitration and purification, and improving safety, and then through the provided recovery box 320, it is convenient for the purified flue gas after filtration in the filter bottle 2910 to enter the hose 310, and then enter the recovery box 320 through the hose 310, and the flue gas in the recovery box 320 uses the waste heat to heat the water storage barrel 340, so that the subsequent user can pass through the first electric The movable valve 370 is connected to the external pipeline to supply hot water for the user to use. At this time, the user is connected to the water inlet pipe 350 through the external pipeline and opens the water level sensor 360 through the PLC controller. When the water in the water storage barrel 340 reaches the bottom, the information is fed back to the PLC controller, and then the PLC controller controls the external water pump to add water to the water storage barrel 340 through the external pipeline through the water inlet pipe 350. When the flue gas enters the recovery box 320, the user can open one or two of the second electric valves 380 through the PLC controller to control the exhaust speed of the flue gas and indirectly control the heating temperature, thereby achieving the purpose of waste heat utilization and energy saving. Finally, through the protective door 400 provided, it is convenient for the user to open the protective door 400 through the door lock and open the protective door 400 through the handle 500, so that the denitration catalyst 250, the activated carbon adsorber 260, the dispersion ring 210 and the dispersion plate 230 in the treatment box 100 can be taken out for cleaning.

[0046] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A multiple purification flue gas denitrification device, characterized in that: include: A processing box (100), wherein the bottom of the processing box (100) is sealed and connected to a funnel (110), and the interior of the funnel (110) is interpenetratingly connected to a connecting pipe (120); A multiple purification and denitration component (200), the multiple purification and denitration component (200) comprising a connection ring sealed and connected to the top of a connection pipe (120), the internal thread of the connection ring being connected to a dispersion ring (210), two connection rails (220) being arranged at the bottom of both sides of the inner wall of the processing box (100), the interior of the two connection rails (220) being slidably connected to a dispersion plate (230), a plurality of sliding guide rails (240) being arranged at both sides of the inner wall of the processing box (100), wherein a denitration catalyst (250) is slidably connected between two of the sliding guide rails (240), The middle of the other two sliding guide rails (240) is slidably connected to an activated carbon adsorber (260); a recovery bucket (270) is provided at the top of the inner wall of the treatment box (100); a connector is sealed at the top of the recovery bucket (270); a delivery pipe (280) is provided at the top of the connector penetrating through the treatment box (100); a connection cap (290) is threadedly connected at the bottom of the end of the delivery pipe (280); a filter bottle (2910) is threadedly connected at the bottom of the connection cap (290); a filter element (2920) is movably connected inside the filter bottle (2910); A waste heat utilization component (300), the waste heat utilization component (300) being sealed and connected to a hose (310) at the bottom of a filter bottle (2910), the end of the hose (310) being sealed and connected to a recovery box (320), the top of the recovery box (320) being provided with a plurality of air outlet holes, the top of the recovery box (320) being provided with a support ring (330), the top of the support ring (330) being movably connected to a water storage bucket (340), the top of the water storage bucket (340) being sealed and connected to a water inlet pipe (350), the top of the inner wall of the water storage bucket (340) being provided with a water level sensor (360), one end of the water storage bucket (340) being sealed and connected to a first electric valve (370), and one side of the recovery box (320) being sealed and connected to a plurality of second electric valves (380).

2. A multiple purification flue gas denitration device according to claim 1, characterized in that: A protection door (400) is hinged at one end of the processing box (100), a handle (500) is provided at one end of the protection door (400), and a door lock is provided inside the handle (500).

3. A multiple purification flue gas denitrification device according to claim 2, characterized in that: Fixed plates (600) are provided on both sides of the processing box (100), and two supporting legs (700) are provided at the bottom of the two fixed plates (600).

4. A multiple purification flue gas denitration device according to claim 3, characterized in that: One side of two of the supporting legs (700) is fixedly connected to the recovery box (320).

5. The multiple purification flue gas denitrification device according to claim 3 is characterized in that: Both sides of the recovery bucket (270) are fixedly connected to both sides of the inner wall of the processing box (100).

6. A multiple purification flue gas denitration device according to claim 5, characterized in that: The processing box (100) is cast from metal chromium, and a PLC controller is provided on one side of the processing box (100).

Images