Low-temperature desulfurization and denitrification flue gas purification equipment

Abstract

The utility model discloses low-temperature desulfurization and denitrification flue gas purification equipment, and relates to the technical field of flue gas purification, the low-temperature desulfurization and denitrification flue gas purification equipment comprises a fixed cover, the fixed cover is of an annular structure, a flow guide plate is fixedly arranged in the fixed cover, and the flow guide plate is of a vortex-shaped structure. According to the utility model, the fixed cover is arranged, the guide plate with a vortex-shaped structure is arranged in the fixed cover, smoke can move along the guide plate after entering the fixed cover, the end plate and the air inlet pipe are arranged above the fixed cover, and the nozzles are arranged on the inner wall of the air inlet pipe, so that the smoke can be uniformly sprayed; according to the technical scheme, water sprayed by the nozzles can be mixed with flue gas flowing at a high speed and enters the guide plate, the flue gas and the water are guided by the guide plate to do spiral motion, and compared with a traditional technical scheme in which multiple groups of spraying mechanisms are added to improve the flue gas and water mixing effect, the technical scheme can ensure efficient mixing of the flue gas and the water by using fewer structures, so that the mixing efficiency of the flue gas and the water is improved. The structure of the device is simplified, and the production and maintenance cost of the device is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to flue gas purification technical field especially relates to a low temperature desulfurization and denitrification flue gas purification equipment. BACKGROUND

[0002] The main pollution components of coke oven flue gas are SO2, NOx and the like. SO2 and NOx not only harm human health, but also seriously pollute the environment.

[0003] Such as the disclosure number for CN216457760U a coke oven flue gas desulfurization and denitrification device, including flue gas treatment tower, the flue gas treatment tower top is provided with exhaust pipe, the flue gas treatment tower one side is provided with air inlet pipe, the flue gas treatment tower inner chamber is sequentially provided with first spray mechanism, second spray mechanism and third spray mechanism from below to above, the flue gas treatment tower inner chamber is close to the position of bottom and is provided with stirring mechanism;The utility model discloses a first spray mechanism is set up cooperation second spray mechanism and third spray mechanism, and the structure such as barrier disc and through -hole makes the device to the spray effect of flue gas is better, and the spray efficiency is higher, and the purification efficiency of flue gas is faster, after multiple spray processing, effectively prevent the flue gas that is not purified from discharging to the outside.

[0004] The above technical scheme has some problems in actual application. The technical scheme realizes the spray treatment of flue gas by setting multiple groups of spray mechanisms. The multiple groups of spray mechanisms are designed to improve the mixing effect of flue gas and water. However, the design of multiple groups of spray mechanisms makes the structure of the device complex, which is not conducive to use and maintenance.

[0005] Therefore, it is necessary to invent a low-temperature desulfurization and denitrification flue gas purification equipment to solve the above problems. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a low-temperature desulfurization and denitrification flue gas purification equipment to solve the problems in the background art.

[0007] To achieve the above object, the utility model provides the following technical scheme: A low temperature desulfurization and denitration flue gas purification equipment, including the fixed cover, the fixed cover sets up the annular structure, the inside fixed setting of fixed cover has the vortex sheet, the vortex sheet sets up the vortex structure, and the lower extreme of vortex sheet sets up the tapered structure, the below of fixed cover is provided with the seal cover, the seal cover sets up the tapered structure, and the inside wall of seal cover is inlayed with the bottom of vortex sheet, the outside wall of fixed cover is provided with a plurality of exhaust pipes around, and a plurality of exhaust pipes all set up in the tangent position of fixed cover, the outside fixed setting of fixed cover has the collecting cover, and the collecting cover sets up in the outside of exhaust pipe, the outside wall middle part of collecting cover is provided with the exhaust nozzle, the top middle part fixed setting of fixed cover has the end plate, the middle part of end plate is provided with the air inlet pipe, the inside wall of air inlet pipe is provided with a plurality of nozzles around, one end fixed setting of nozzle has the guide pipe.

[0008] Preferably, one end of the guide pipe is fixedly provided with a water inlet pipe, and one end of the water inlet pipe is fixedly provided with a water pump.

[0009] Preferably, the bottom end of the seal cover is fixedly provided with a connecting seat, the bottom end of the connecting seat is provided with a connecting sleeve through threads, and the bottom end of the connecting sleeve is fixedly provided with a telescopic corrugated pipe.

[0010] Preferably, the bottom end of the telescopic corrugated pipe is fixedly provided with an extension pipe, and the bottom end of the extension pipe is telescopically provided with a wastewater tank.

[0011] Preferably, a threaded groove is formed in the middle of the top end of the wastewater tank, and the extension pipe is threadedly arranged in the inside of the threaded groove.

[0012] Preferably, a plurality of through holes are formed around the top end of the wastewater tank.

[0013] The utility model discloses a technical effect and advantage:

[0014] 1, the utility model discloses a fixed cover, the inside setting of fixed cover has the vortex sheet of vortex structure, and the flue gas can move along the vortex sheet after entering the fixed cover, and the end plate and air inlet pipe are arranged above the fixed cover, the air inlet pipe can guide the flue gas and make it enter the middle part of vortex sheet, a plurality of nozzles are arranged on the inner wall of air inlet pipe, and the water sprayed by the nozzle can mix with the high-speed flowing flue gas and enter the vortex sheet, and the flue gas and water make spiral motion under the guidance of vortex sheet, in this process, the flue gas and water are mixed efficiently, so that the treatment effect of the device on the flue gas is improved, compared with the traditional technical scheme, which adds a plurality of spraying mechanisms to improve the mixing effect of flue gas and water, the present technical scheme uses fewer structures to ensure efficient mixing of flue gas and water, simplifies the structure of the device, and reduces the production and maintenance cost of the device.

[0015] 2. The utility model discloses a sealing cover is provided on the outside of the deflector, and the deflector and the sealing cover form a spiral channel, in the process of moving in the spiral channel, the particulate impurities in the flue gas move along the inner wall of the deflector and the sealing cover under the action of centrifugal force, and then fall into the bottom end of the sealing cover under the action of gravity and enter the wastewater tank, so as to realize the automatic collection of the impurities in the flue gas and facilitate the subsequent cleaning and maintenance of the device. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the whole structure schematic diagram of the utility model.

[0017] Figure 2 It is the whole structure cross section schematic diagram of the utility model.

[0018] Figure 3 It is the whole structure explosion drawing of the utility model.

[0019] Figure 4 It is the deflector structure schematic diagram of the utility model.

[0020] In the drawing: 1, fixed cover, 2, deflector, 3, sealing cover, 4, exhaust pipe, 5, current collection cover, 6, exhaust nozzle, 7, end plate, 8, air inlet pipe, 9, nozzle, 10, guide pipe, 11, water inlet pipe, 12, water pump, 13, connecting seat, 14, connecting sleeve, 15, telescopic bellows, 16, extension pipe, 17, wastewater tank, 18, screw groove, 19, through-hole. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be apparently and completely described below in combination with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the range of protection of the utility model.

[0022] The utility model provides a kind of low-temperature desulfurization and denitrification flue gas purification equipment as Figures 1-4 As shown in formula, a kind of low-temperature desulfurization and denitrification flue gas purification equipment is provided, including fixed cover 1, fixed cover 1 is set to annular structure, and the inside of fixed cover 1 is fixedly provided with deflector 2, deflector 2 is set to vortex structure, and the lower end of deflector 2 is set to conical structure, and the lower of fixed cover 1 is provided with sealing cover 3, sealing cover 3 is set to conical structure, and the inner side wall of sealing cover 3 is attached with the bottom end of deflector 2, and the outer side wall of fixed cover 1 is provided with multiple exhaust pipes 4, and multiple exhaust pipes 4 are all set in tangent position of fixed cover 1, and the design of tangent position can guarantee that flue gas can quickly pass through exhaust pipe 4 and discharge when along the inner wall of fixed cover 1;

[0023] Specific, the outer side of the fixed cover 1 is fixedly provided with a collecting cover 5, and the collecting cover 5 is arranged on the outer side of the exhaust pipe 4, a exhaust nozzle 6 is arranged in the middle of the outer side wall of the collecting cover 5, and the exhaust nozzle 6 can realize the exhaust of flue gas;

[0024] More specifically, the middle of the top end of the fixed cover 1 is fixedly provided with an end plate 7, the middle of the end plate 7 is provided with an air inlet pipe 8, the inner side wall of the air inlet pipe 8 is provided with a plurality of nozzles 9, one end of the nozzle 9 is fixedly provided with a conduit 10, one end of the conduit 10 is fixedly provided with a water inlet pipe 11, one end of the water inlet pipe 11 is fixedly provided with a water pump 12, and the water pump 12 can realize the pumping of water;

[0025] And, the bottom end of the sealing cover 3 is fixedly provided with a connecting seat 13, the bottom end of the connecting seat 13 is provided with a connecting sleeve 14 through threads, the bottom end of the connecting sleeve 14 is fixedly provided with a telescopic corrugated pipe 15, the bottom end of the telescopic corrugated pipe 15 is fixedly provided with an extension pipe 16, the bottom end of the extension pipe 16 is telescopically provided with a wastewater tank 17, and the bottom end of the extension pipe 16 is inserted into water in the wastewater tank 17, so as to avoid that the flue gas is directly discharged through the wastewater tank 17.

[0026] Moreover, the middle of the top end of the wastewater tank 17 is provided with a threaded groove 18, the extension pipe 16 is threadedly arranged in the threaded groove 18, and a plurality of through holes 19 are arranged around the top end of the wastewater tank 17, so that the air pressure balance in the wastewater tank 17 is ensured.

[0027] The working principle of the utility model:

[0028] When the device is used, the flue gas to be treated is conveyed into the inside of the fixed cover 1 through the air inlet pipe 8, the flue gas makes spiral motion under the guidance of the deflector plate 2, the water pump 12 conveys water into the nozzle 9 through the water inlet pipe 11 in the process that the flue gas passes through the air inlet pipe 8, the nozzle 9 sprays water mist, the high-speed flowing flue gas drives the water mist to move, so that the flue gas and the water mist enter the fixed cover 1, at this time, the flue gas and the water mist make spiral motion under the guidance of the deflector plate 2, in this process, the flue gas and the water are mixed efficiently, the flue gas and the water form particulate impurities after mixing, the particulate impurities make spiral motion along with the flue gas, and under the action of centrifugal force, the particulate impurities move along the inner wall of the deflector plate 2 and the sealing cover 3, and then fall into the bottom end of the sealing cover 3 under the action of gravity, and pass through the telescopic corrugated pipe 15 to enter the extension pipe 16, and finally fall into the wastewater tank 17, at this time, the collection of the impurities separated from the flue gas can be realized, the flue gas after separation passes through the exhaust pipe 4 into the collecting cover 5, and then is discharged from the device through the exhaust nozzle 6.

[0029] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A low-temperature desulfurization and denitrification flue gas purification device comprising a fixed cover (1), characterized in that: The fixed cover (1) is arranged as an annular structure, the inside of the fixed cover (1) is fixedly provided with a flow guide plate (2), the flow guide plate (2) is arranged as a vortex structure, and the lower end of the flow guide plate (2) is arranged as a conical structure, the lower part of the fixed cover (1) is provided with a sealing cover (3), the sealing cover (3) is arranged as a conical structure, and the inner side wall of the sealing cover (3) is attached to the bottom end of the flow guide plate (2), the outer side wall of the fixed cover (1) is surrounded by a plurality of exhaust pipes (4), and the plurality of exhaust pipes (4) are arranged at the tangent position of the fixed cover (1), the outer side of the fixed cover (1) is fixedly provided with a flow collector cover (5), and the flow collector cover (5) is arranged outside the exhaust pipe (4), the outer side wall of the flow collector cover (5) is provided with an exhaust nozzle (6) at the middle part, the top end of the fixed cover (1) is fixedly provided with an end plate (7) at the middle part, the end plate (7) is provided with an air inlet pipe (8) at the middle part, the inner side wall of the air inlet pipe (8) is surrounded by a plurality of nozzles (9), and one end of the nozzle (9) is fixedly provided with a conduit (10).

2. The low-temperature desulfurization and denitrification flue gas purification apparatus according to claim 1, characterized by: One end of the conduit (10) is fixedly provided with a water inlet pipe (11), and one end of the water inlet pipe (11) is fixedly provided with a water pump (12).

3. The low-temperature desulfurization and denitrification flue gas purification apparatus according to claim 2, characterized by: The bottom end of the sealing cover (3) is fixedly provided with a connecting seat (13), the bottom end of the connecting seat (13) is provided with a connecting sleeve (14) through threads, and the bottom end of the connecting sleeve (14) is fixedly provided with an expansion bellows (15).

4. The low-temperature desulfurization and denitrification flue gas purification apparatus according to claim 3, characterized by: The bottom end of the expansion bellows (15) is fixedly provided with an extension pipe (16), and the bottom end of the extension pipe (16) is telescopically provided with a wastewater tank (17).

5. The low-temperature desulfurization and denitrification flue gas purification apparatus according to claim 4, characterized by: The top end of the wastewater tank (17) is provided with a threaded groove (18) at the middle part, and the extension pipe (16) is threadedly arranged in the threaded groove (18).

6. A cryogenic desulphurization and denitrification flue gas cleaning apparatus as claimed in claim 5, wherein: A plurality of through holes (19) are formed around the top end of the wastewater tank (17).

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