Decomposing furnace capable of adjusting spraying amount of ammonia water

Abstract

The utility model relates to the technical field of decomposing furnaces, and discloses a decomposing furnace capable of adjusting the spraying amount of ammonia water. The decomposing furnace capable of adjusting the ammonia water spraying amount comprises a smoke outlet, a flow guide plate is fixedly installed at the bottom in the smoke outlet and is in a triangular shape, a first water spraying plate is fixedly installed in the top of the smoke outlet, a water outlet pipe is fixedly installed on one side of the first water spraying plate, and a water outlet pipe is fixedly installed on the other side of the first water spraying plate. And a second water spraying plate is fixedly mounted in the top of the smoke outlet, a water outlet rod is fixedly mounted at the top of the second water spraying plate, and a flow divider valve is fixedly mounted on one side of the water outlet rod. Liquid can be fed into the storage box in equal proportion through the flow control valve on one side of the water inlet pipe, after the motor drives the stirring rod to stir the liquid, the liquid can be pumped into the connecting pipe through the mounting pipe through the operation of the liquid pump, the amount of the fed liquid can be controlled through the metering valve, and the stirring efficiency is improved. Therefore, the amount of the ammonia water can be conveniently controlled.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of decomposition furnace, concretely is a decomposition furnace of adjustable ammonia water spray amount. BACKGROUND

[0002] With the increasing attention to environmental protection and energy efficiency worldwide, the cement industry, as an important building material production industry, its environmental impact and energy consumption in the production process are increasingly concerned. As the core equipment of cement production, the combustion state of the cement kiln directly affects the yield, quality, energy consumption and emission of cement.

[0003] The existing reference announcement number is: CN208145744U Chinese utility model patent, it discloses a kind of cement decomposition furnace direct ammonia spraying device, it is related to cement decomposition furnace ammonia spraying device technical field, including ammonia water injection device and decomposition furnace combustion equipment, ammonia water injection device includes ammonia water preparation tank, ammonia pump, flow regulating valve, flow meter, outlet flue gas detector and connecting pipeline;Decomposition furnace combustion equipment includes decomposition furnace body, coal powder burner, tertiary air pipe, ammonia water lance etc..Through flue gas and tertiary air volume ratio, the main combustion zone is fuel-rich combustion zone, ammonia water mixed solution is input into ammonia water lance by ammonia pump, ammonia is sprayed into position in fuel-rich zone upper part, in low-oxygen environment conducive to reducing NOx, to realize the reduction of coal powder combustion NOx emission concentration.The utility model site produces ammonia water, construction is simple and not restricted by region, and the use cost is low, ammonia water is directly sprayed into low-oxygen flame to make it and NOx in flue gas reduce reaction, finally realizes NOx low emission.

[0004] The existing decomposition furnace outlet ammonia water injection device has the problem of uneven spraying, which can lead to incomplete contact between ammonia water and flue gas, and the existing decomposition furnace outlet ammonia water injection device is not convenient for controlling the ammonia water spray amount. UTILITY MODEL CONTENTS

[0005] (I) technical problem solved

[0006] In view of the shortcomings of the prior art, the utility model provides a decomposition furnace capable of adjusting ammonia water spray amount, which has the advantages of high spraying uniformity and convenient control of ammonia water spray amount, and solves the above technical problems.

[0007] (II) technical scheme

[0008] To achieve the above purpose, the utility model provides the following technical scheme: a decomposition furnace capable of adjusting ammonia water spray amount, comprising:

[0009] The inside bottom of the smoke outlet is fixedly installed with a flow guide plate, the flow guide plate is triangular, the top inside of the smoke outlet is fixedly installed with a first water spraying plate, one side of the first water spraying plate is fixedly installed with a water outlet pipe, the top inside of the smoke outlet is fixedly installed with a second water spraying plate at the same time, the top of the second water spraying plate is fixedly installed with a water outlet rod, one side of the water outlet rod is fixedly installed with a flow distribution valve, two switch valves are fixedly installed on the two sides of the flow distribution valve, one side of the flow distribution valve is fixedly installed with a connecting pipe, one side of the connecting pipe is fixedly installed with a mounting pipe, one side of the mounting pipe is fixedly installed with a metering valve, and the bottom of the mounting pipe is fixedly installed with a liquid pumping pump.

[0010] As a preferred technical scheme of the present application, the liquid pumping pump is fixedly installed with a storage box on one side, and the top of the storage box is fixedly installed with a motor.

[0011] As a preferred technical scheme of the present application, the bottom of the motor is fixedly installed with a stirring rod, and the top of the storage box is fixedly installed with two flow control valves on both sides.

[0012] As a preferred technical scheme of the present application, the top of the flow control valve is fixedly installed with a water inlet pipe, and the water inlet pipe is a structure for water inlet.

[0013] As a preferred technical scheme of the present application, the side of the smoke outlet is fixedly installed with a recovery box, the bottom of the recovery box is fixedly installed with a recovery pipe, and the recovery pipe is a structure for recovery.

[0014] As a preferred technical scheme of the present application, the bottom of the recovery pipe is fixedly installed with a pumping pump, the bottom of the pumping pump is fixedly installed with a water tank, and the water tank is a structure for storage.

[0015] As a preferred technical scheme of the present application, the side of the water tank is fixedly installed with a decomposition furnace main body.

[0016] Compared with the prior art, the present application provides a decomposition furnace capable of adjusting ammonia water spraying amount, which has the following beneficial effects:

[0017] 1、The flow control valve on one side of the water inlet pipe can send liquid into the inside of the storage box in proportion, after the liquid is stirred by the motor driving the stirring rod, the liquid can be pumped into the inside of the connecting pipe through the mounting pipe by the operation of the liquid pumping pump, and the amount of the sent liquid can be controlled through the metering valve, so that the amount of ammonia water can be controlled conveniently, and the practicality and convenience of the decomposition furnace capable of adjusting ammonia water spraying amount are improved.

[0018] 2. The utility model can be opened or closed by a switch valve, thereby controlling the liquid to enter the water outlet rod and the water outlet pipe, sending the ammonia water into the interior of the second water spray plate through the water outlet rod, and sending the ammonia water into the interior of the first water spray plate through the water outlet pipe, so that the ammonia water can be sprayed evenly, thereby improving the uniformity of the ammonia injection of the decomposition furnace with adjustable ammonia injection amount, and the waste liquid can be diverted by the guide plate inside the smoke outlet, thereby improving the practicality of the decomposition furnace with adjustable ammonia injection amount. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the smoke outlet of the utility model;

[0021] Figure 3 This is a schematic diagram of the diverter valve of the utility model;

[0022] Figure 4 This is a schematic diagram of a storage box of the utility model;

[0023] Figure 5 This is a schematic diagram of a recycling box of the present utility model.

[0024] Among them: 1. Smoke outlet; 11. Guide plate; 12. First water spray plate; 13. Water outlet pipe; 14. Second water spray plate; 15. Water outlet rod; 2. Diverter valve; 21. Switch valve; 22. Connecting pipe; 23. Mounting pipe; 24. Metering valve; 25. Liquid extraction pump; 3. Storage tank; 31. Motor; 32. Stirring rod; 33. Flow control valve; 34. Water inlet pipe; 4. Recovery tank; 41. Recovery pipe; 42. Extraction pump; 43. Water tank; 44. Decomposition furnace body. DETAILED DESCRIPTION

[0025] The following embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0026] In the description of this utility model, unless otherwise specified, "plurality" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific direction, be constructed, or operate in a specific direction, and therefore should not be construed as limiting this utility model. Furthermore, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0027] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, term '' connected '' '' connection '' should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be directly connected, also can be indirectly connected through intermediate medium.

[0028] Please refer to Figure 1 - Figure 5 In the embodiment, a decomposing furnace capable of adjusting the spraying amount of ammonia water comprises a smoke outlet 1, a guide plate 11 is fixedly installed at the bottom of the inside of the smoke outlet 1, the guide plate 11 is in triangular shape, a first water spraying plate 12 is fixedly installed at the top of the inside of the smoke outlet 1, a water outlet pipe 13 is fixedly installed on one side of the first water spraying plate 12, a second water spraying plate 14 is also fixedly installed at the top of the inside of the smoke outlet 1, and a water outlet rod 15 is fixedly installed at the top of the second water spraying plate 14.

[0029] Specifically, the waste liquid can be guided by the guide plate 11, the ammonia water can be sent into the inside of the first water spraying plate 12 through the water outlet pipe 13, and the ammonia water can be sent into the inside of the second water spraying plate 14 through the water outlet rod 15, so that the ammonia water can be uniformly sprayed out.

[0030] A flow dividing valve 2 is fixedly installed on one side of the water outlet rod 15, two on-off valves 21 are fixedly installed on the two sides of the flow dividing valve 2, a connecting pipe 22 is fixedly installed on one side of the flow dividing valve 2, an installation pipe 23 is fixedly installed on one side of the connecting pipe 22, a metering valve 24 is fixedly installed on one side of the installation pipe 23, and a liquid pumping pump 25 is fixedly installed at the bottom of the installation pipe 23.

[0031] Specifically, the ammonia water can be pumped into the inside of the installation pipe 23 through the operation of the liquid pumping pump 25, the metering can be performed through the metering valve 24, the ammonia water can be sent into the inside of the flow dividing valve 2 through the connecting pipe 22, and the ammonia water can be divided through the flow dividing valve 2.

[0032] A storage tank 3 is fixedly installed on one side of the liquid pumping pump 25, a motor 31 is fixedly installed at the top of the storage tank 3, a stirring rod 32 is fixedly installed at the bottom of the motor 31, two flow control valves 33 are fixedly installed at the top of the two sides of the storage tank 3, and a water inlet pipe 34 is fixedly installed at the top of the flow control valves 33.

[0033] Specifically, the water can be sent into the inside of the storage tank 3 through the flow control valves 33 through the water inlet pipe 34, so that the added medicament can be controlled, and the ammonia water in the inside of the storage tank 3 can be stirred and mixed through the operation of the motor 31.

[0034] A recovery box 4 is fixedly installed on one side of the smoke outlet 1, a recovery pipe 41 is fixedly installed on the bottom of the recovery box 4, an extraction pump 42 is fixedly installed on the bottom of the recovery pipe 41, a water tank 43 is fixedly installed on the bottom of the extraction pump 42, and a decomposition furnace body 44 is fixedly installed on one side of the water tank 43.

[0035] Specifically, the waste liquid can be collected through the recovery pipe 41 at the bottom of the recovery box 4, and the waste liquid can be pumped into the interior of the water tank 43 for collection by the operation of the extraction pump 42, thereby improving the practicality of the decomposition furnace with adjustable ammonia spraying amount.

[0036] During use, first, the liquid can be sent into the interior of the storage tank 3 through the water inlet pipe 34 through the flow control valve 33, and the flow rate of the sent liquid can be controlled by the flow control valve 33. The operation of the motor 31 can drive the stirring rod 32 to rotate, so that the ammonia water inside the storage tank 3 can be stirred and mixed by the stirring rod 32, thereby improving the practicality and convenience of the decomposition furnace with adjustable ammonia water spray amount. The operation of the liquid extraction pump 25 can extract the mixed ammonia water inside the storage tank 3 and send it to the interior of the installation pipe 23. The feeding amount of ammonia water can be controlled by the metering valve 24 on one side of the installation pipe 23, thereby improving the practicality and convenience of the decomposition furnace with adjustable ammonia water spray amount. The ammonia water is sent into the interior of the diverter valve 2 through the connecting pipe 22, and the ammonia water is sent in and out through the diverter valve 2. The inside of the water pipe 13 and the water outlet rod 15 can control the entry of ammonia water through the switch valve 21, thereby improving the practicality and controllability of the decomposition furnace with adjustable ammonia water spraying amount. The ammonia water can be sent to the inside of the first water spray plate 12 through the water outlet pipe 13, and can be sent to the inside of the second water spray plate 14 through the water outlet rod 15. The ammonia water is evenly sprayed into the inside of the smoke outlet 1 through the first water spray plate 12 and the second water spray plate 14, thereby improving the practicality of the decomposition furnace with adjustable ammonia water spraying amount, so that the ammonia water and the flue gas are fully in contact, and at the same time it is convenient to control the spraying amount of ammonia water. The waste liquid can be sent to the inside of the recovery box 4 through the guide plate 11, and the waste liquid inside the recovery pipe 41 is pumped into the inside of the water tank 43 for collection through the extraction pump 42, thereby improving the practicality and convenience of the decomposition furnace with adjustable ammonia water spraying amount.

[0037] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A decomposition furnace with adjustable ammonia injection rate, characterized in that: The adjustable ammonia water spray amount decomposition furnace, including the smoke outlet (1), the inside bottom of the smoke outlet (1) is fixedly installed with the guide plate (11), the guide plate (11) is triangular, the top inside of the smoke outlet (1) is fixedly installed with the first water spray plate (12), one side of the first water spray plate (12) is fixedly installed with the water outlet pipe (13), the top inside of the smoke outlet (1) is fixedly installed with the second water spray plate (14) simultaneously, the top of the second water spray plate (14) is fixedly installed with the water outlet rod (15), one side of the water outlet rod (15) is fixedly installed with the shunt valve (2), both sides of the shunt valve (2) are fixedly installed with two switch valves (21), one side of the shunt valve (2) is fixedly installed with the connecting pipe (22), one side of the connecting pipe (22) is fixedly installed with the mounting pipe (23), one side of the mounting pipe (23) is fixedly installed with the metering valve (24), the bottom of the mounting pipe (23) is fixedly installed with the liquid pump (25).

2. The furnace according to claim 1, wherein: One side of the liquid pump (25) is fixedly installed with the storage box (3), and the top of the storage box (3) is fixedly installed with the motor (31).

3. The furnace according to claim 2, wherein: The bottom of the motor (31) is fixedly installed with the stirring rod (32), and both sides of the top of the storage box (3) are fixedly installed with two flow control valves (33).

4. The furnace according to claim 3, wherein: The top of the flow control valve (33) is fixedly installed with the water inlet pipe (34).

5. The furnace as claimed in claim 1, wherein: One side of the smoke outlet (1) is fixedly installed with the recovery box (4), and the bottom of the recovery box (4) is fixedly installed with the recovery pipe (41).

6. The furnace as claimed in claim 5, wherein: The bottom of the recovery pipe (41) is fixedly installed with the extraction pump (42), and the bottom of the extraction pump (42) is fixedly installed with the water tank (43).

7. The furnace as claimed in claim 6, wherein: One side of the water tank (43) is fixedly installed with the decomposition furnace main body (44).

Images