Ammonia water evaporator device for kiln denitration

Abstract

The utility model provides an ammonia water evaporator device for kiln denitration, which belongs to the technical field of kiln flue gas denitration, and comprises a shell, a uniform injection component and an efficient denitration component, the uniform injection component comprises a conveying pipe which is inserted and connected in a connecting cover, and the top of the conveying pipe is hermetically communicated with a conveying head; the needle-shaped electrode is communicated with a conveying pipe, the bottom of the conveying pipe is communicated with a conveying disc in a sealed mode, the outer wall of the conveying disc is communicated with a plurality of connecting pipes in a sealed mode, and the bottoms of the plurality of connecting pipes are communicated with atomizing nozzles in a sealed mode. Liquid drop coalescence is reduced through the electrostatic repulsion effect, atomization uniformity is improved, the spiral flow channel is utilized, a gas-liquid mixing path is conveniently prolonged, the turbulence effect is enhanced, ammonia water and compressed air are fully sheared, more uniform liquid drops are generated, the flat spray head is utilized, the spraying range is conveniently enlarged, and therefore the purpose of uniform spraying is achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the kiln flue gas denitration technical field, concretely relates to a kind of ammonia water evaporator device for kiln denitration. BACKGROUND

[0002] Kiln or furnace refers to the furnace for firing ceramic articles and sculpture or is to let enamel fusion to the surface of metal article, by searching, application number is "CN202111245666.X", it records "a kind of ammonia water evaporator device for kiln denitration", it records "heat transfer is carried out by heat exchange pipe wall, the heat of high-temperature steam is transferred to ammonia water mixed flue gas by the wall of heat exchange pipe, so that ammonia water mixed flue gas obtains a large amount of heat, required ammonia water is fully evaporated and vaporized, the heat exchange pipe of heat exchange evaporation mixing device is uniformly arranged, ammonia gas after evaporation vaporization can be mixed with high-temperature flue gas fully and uniformly", heat transfer is carried out by heat exchange pipe wall, the heat of high-temperature steam is transferred to ammonia water mixed flue gas by the wall of heat exchange pipe, so that ammonia water mixed flue gas obtains a large amount of heat, indeed required ammonia water is fully evaporated and vaporized, the heat exchange pipe of heat exchange evaporation mixing device is uniformly arranged, ammonia gas after evaporation vaporization can be mixed with high-temperature flue gas fully and uniformly, but the above comparative document still has the following problems in actual use:

[0003] In actual use, when flue gas mixes with ammonia water, it is easy to appear uneven mixing, resulting in poor work efficiency in subsequent use, and intelligent injection of ammonia water cannot be realized in use, resulting in ammonia water waste and inefficient denitration.

[0004] Therefore, to provide a device capable of realizing uniform mixing and efficient denitration and saving ammonia water is of high practicality. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of ammonia water evaporator device for kiln denitration, to solve the above technical problems.

[0006] The utility model embodiment provides a kind of ammonia water evaporator device for kiln denitration, including shell, uniform injection component and efficient denitration component.

[0007] Wherein, the top of the shell is provided with connecting cover;

[0008] The uniform injection component includes the conveying pipe that is connected in the connecting cover, the top of the conveying pipe is sealed and communicated with conveying head, the bottom of the conveying pipe is sealed and communicated with conveying disc, the outer wall of the conveying disc is sealed and communicated with a plurality of connecting pipes, the bottom of a plurality of connecting pipes is sealed and communicated with atomizing nozzle, and a plurality of atomizing nozzles correspondingly are provided with a plurality of needle electrodes at the bottom.

[0009] The high-efficiency denitration assembly is provided with an intelligent flow regulating valve in sealing communication with one side of the top of the conveying head, an electric valve in sealing communication with the other side of the top of the conveying head, a mass flow meter in sealing communication with one end of the shell, and a pressure transmitter in sealing communication with the bottom of the shell.

[0010] In one embodiment of the utility model, the interiors of the connecting pipes are spiral flow channels, and the atomizing nozzles are flat.

[0011] In one embodiment of the utility model, the bottom of the conveying disc is provided with a plurality of fixing plates, the bottom of the connecting pipe is provided with a plurality of supporting plates, and the fixing plates and the supporting plates are fixedly connected with the needle electrodes.

[0012] In one embodiment of the utility model, the inner wall of the shell is provided with a mixing barrel in the middle, the top of the mixing barrel is in sealing communication with a hopper, and the bottom of the hopper is in sealing communication with a heat exchange pipe.

[0013] In one embodiment of the utility model, the end of the heat exchange pipe penetrates the mixing barrel and is in sealing communication with a discharge head, the middle of one side of the mixing barrel is in sealing communication with an auxiliary pipe, and one side of the auxiliary pipe penetrates the mixing barrel and the shell and is in sealing communication with a first external connector.

[0014] In one embodiment of the utility model, the bottom of one side of the mixing barrel is in sealing communication with a condensate discharge pipe, one side of the condensate discharge pipe penetrates the mixing barrel and the shell and is in sealing communication with a second external connector, and one side of the shell is provided with a controller.

[0015] In one embodiment of the utility model, the needle electrodes, the intelligent flow regulating valve, the electric valve, the mass flow meter and the pressure transmitter are electrically connected with the controller, and the controller is electrically connected with an external power supply.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] 1) The user opens the needle electrodes through the controller, so that the liquid droplets sprayed by the atomizing nozzles are charged, the liquid droplets are reduced by electrostatic repulsion, the atomization uniformity is improved, the spiral flow channel is used to conveniently prolong the gas-liquid mixing path, the turbulent effect is enhanced, the ammonia water and the compressed air are fully sheared, more uniform liquid droplets are generated, the flat nozzles are used to conveniently make the spraying range larger, and the purpose of uniform spraying is achieved.

[0018] 2) By the quality flowmeter arranged, the quality flowmeter is connected with the external kiln flue gas pipe, the external flue gas enters the shell through the quality flowmeter, when the external flue gas passes through the quality flowmeter, the quality flowmeter can detect the flue gas mass flow and feedback information to the controller, the controller controls the intelligent flow regulating valve, so that the ammonia water conveying flow rate is controlled to match the flue gas flow rate, the ammonia water injection amount is dynamically adjusted, the catalyst is ensured to be always in the optimum reaction condition, the purpose of efficient denitration is realized, and more ammonia water can be saved. BRIEF DESCRIPTION OF DRAWINGS

[0019] The accompanying drawings are included to provide a further understanding of the present application, and constitute a part of the specification, illustrate the present application and explain the principle of the present application, and do not constitute a limitation on the present application. In the drawings:

[0020] Figure 1 It is a structural schematic diagram of the present application;

[0021] Figure 2 It is a structural schematic diagram of the present application;

[0022] Figure 3 It is a structural schematic diagram of the present application;

[0023] Figure 4 It is a structural schematic diagram of the present application;

[0024] In the drawings: 100, shell; 110, connecting cover; 200, uniform spraying assembly; 210, conveying pipe; 220, conveying disc; 230, connecting pipe; 240, atomizing nozzle; 250, needle electrode; 300, efficient denitration assembly; 310, intelligent flow regulating valve; 320, electric valve; 330, quality flowmeter; 340, pressure transmitter; 400, fixed plate; 500, support plate; 600, mixing barrel; 700, funnel; 800, heat exchange pipe; 900, auxiliary pipe; 1000, condensate drainage pipe. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0026] EMBODIMENT

[0027] Please refer toFigures 1-4 The application discloses a kiln denitration ammonia water evaporator device.

[0028] Specifically refer to Figure 1 The top of the shell 100 is provided with a connecting cover 110.

[0029] Specifically refer to Figures 3-4 The uniform spraying assembly 200 comprises a conveying pipe 210 connected in the connecting cover 110, the top of the conveying pipe 210 is sealingly communicated with a conveying head, the bottom of the conveying pipe 210 is sealingly communicated with a conveying disc 220, the outer wall of the conveying disc 220 is sealingly communicated with a plurality of connecting pipes 230, the bottom of the plurality of connecting pipes 230 is sealingly communicated with a plurality of atomizing nozzles 240, and the bottom of the plurality of atomizing nozzles 240 is correspondingly provided with a plurality of needle electrodes 250.

[0030] In a specific embodiment, the conveying pipe 210 is arranged, so that the user can connect an external ammonia water pipe with the intelligent flow regulating valve 310 and an external air pressure pipe with the electric valve 320, so that the external ammonia water and air pressure can enter the conveying pipe 210, the ammonia water is extruded by the air pressure to flow rapidly, then the ammonia water enters the conveying disc 220 through the conveying pipe 210, the conveying disc 220 sends the ammonia water to the connecting pipes 230 and sprays the ammonia water out through the atomizing nozzles 240, at this time, the user opens the needle electrodes 250 through the controller, so that the liquid drops sprayed out of the atomizing nozzles 240 are electrified, the liquid drops are reduced by electrostatic repulsion, the atomizing uniformity is improved, the air-liquid mixing path is conveniently prolonged by the spiral flow channel, the turbulent effect is enhanced, the ammonia water and compressed air are fully sheared, more uniform liquid drops are generated, the spraying range is larger by the flat nozzle, and the purpose of uniform spraying is achieved.

[0031] Specifically refer to Figures 1-2 The high-efficiency denitration assembly 300 comprises an intelligent flow regulating valve 310 sealingly communicated at one side of the top of the conveying head, an electric valve 320 sealingly communicated at the other side of the top of the conveying head, a mass flow meter 330 sealingly communicated at one end of the shell 100 and a pressure transmitter 340 sealingly communicated at the bottom of the shell 100.

[0032] In a specific embodiment, the mass flow meter 330 is provided to facilitate the user to connect the mass flow meter 330 with the external kiln flue gas pipe, so that the external flue gas enters the shell 100 through the mass flow meter 330. When the external flue gas passes through the mass flow meter 330, the mass flow meter 330 can detect the flue gas mass flow and feed back the information to the controller. The controller controls the intelligent flow regulating valve 310 to control the ammonia water delivery flow rate, so that it matches the flue gas flow rate, dynamically adjusts the ammonia water injection amount, ensures that the catalyst is always in the best reaction condition, and when the denitrified gas is sprayed through the discharge head, it will pass through the pressure transmitter 340 at the bottom of the shell 100. The pressure can be effectively detected, and the electric valve 320 is adjusted to control the external gas pressure to match the ammonia water, so as to achieve the purpose of efficient denitrification, and a large amount of ammonia water can be saved.

[0033] Please refer to Figure 3 The interiors of the plurality of connecting pipes 230 are spiral flow channels, and the plurality of atomizing nozzles 240 are flat.

[0034] In a specific embodiment, the flat nozzle is provided to facilitate wider spraying angle during use, more uniform mixing of flue gas and ammonia water, improved work efficiency, and increased stability during use.

[0035] Please refer to Figure 3 The bottom of the conveying disc 220 is provided with a plurality of fixing plates 400, and the bottom of the plurality of connecting pipes 230 is provided with a plurality of supporting plates 500. The plurality of fixing plates 400 and the plurality of supporting plates 500 are fixedly connected with the needle-shaped electrode 250.

[0036] In a specific embodiment, the fixing plate 400 is provided to facilitate the support and fixation of the needle-shaped electrode 250 during use, so that the needle-shaped electrode 250 can be more stable during use, and the shaking condition during use is avoided.

[0037] Please refer to Figure 2 The inner wall of the shell 100 is provided with a mixing barrel 600 in the middle. The top of the mixing barrel 600 is sealingly communicated with a hopper 700, and the bottom of the hopper 700 is sealingly communicated with a heat exchange pipe 800.

[0038] In a specific embodiment, the shell 100 is provided to facilitate the protection of the internal parts during use, so that the shaking during use does not cause damage to the internal parts, and the stability is improved.

[0039] Please refer to Figure 2The end of the heat exchange pipe 800 penetrates the mixing barrel 600 in sealed communication with a discharge head, and the middle of one side of the mixing barrel 600 is in sealed communication with an auxiliary pipe 900, and one side of the auxiliary pipe 900 penetrates the mixing barrel 600 and the shell 100 in sealed communication with a first external joint.

[0040] In a specific embodiment, through the auxiliary pipe 900, the user can connect the auxiliary pipe 900 with the external steam pipe through the first external joint, so that the heat enters the mixing barrel 600, and the flue gas mixed with ammonia water enters the heat exchange pipe 800 through the funnel 700, and the flue gas mixed with ammonia water in the heat exchange pipe 800 contacts the high-temperature steam outside the heat exchange pipe 800 to be quickly evaporated into gas, which is discharged through the discharge head. Part of the condensed water is discharged through the condensed liquid discharge pipe 1000.

[0041] Please refer to Figure 2 The bottom of one side of the mixing barrel 600 is in sealed communication with the condensed liquid discharge pipe 1000, one side of the condensed liquid discharge pipe 1000 penetrates the mixing barrel 600 and the shell 100 in sealed communication with a second external joint, and one side of the shell 100 is provided with a controller.

[0042] In a specific embodiment, through the second external joint, the user can connect the second external joint with the external collection container during use to collect the discharged condensed liquid, thereby improving the work efficiency.

[0043] Please refer to Figures 1-4 The needle electrode 250, the intelligent flow regulating valve 310, the electric valve 320, the mass flow meter 330, and the pressure transmitter 340 are electrically connected with the controller, and the controller is electrically connected with the external power supply.

[0044] In a specific embodiment, through the controller, the user can control the power supply of the electrical equipment, and the electrical equipment can be powered when needed, thereby avoiding the condition that the electrical equipment cannot be powered when needed.

[0045] In use, first, through the conveying pipe 210, the user connects the external ammonia pipe with the intelligent flow regulating valve 310, and the external gas pressure pipe with the electric valve 320, so that the external ammonia and gas pressure can enter the conveying pipe 210, so that the ammonia is extruded by the gas pressure to flow quickly, and then the ammonia enters the conveying disc 220 through the conveying pipe 210, the conveying disc 220 sends the ammonia to the connecting pipe 230 and sprays it out through the atomizing nozzle 240, then the user opens the needle electrode 250 through the controller, so that the droplets sprayed by the atomizing nozzle 240 are charged, the liquid droplets are reduced by the electrostatic repulsion effect, the atomization uniformity is improved, the gas-liquid mixing path is conveniently extended by the spiral flow channel, the turbulent effect is enhanced, the ammonia and compressed air are fully sheared to generate more uniform droplets, the spraying range is larger by the flat nozzle, so that the purpose of uniform spraying is achieved, then the mass flow meter 330 is connected with the external kiln flue gas pipe by the user, so that the external flue gas enters the shell 100 through the mass flow meter 330, when the external flue gas passes through the mass flow meter 330, the mass flow meter 330 can detect the flue gas mass flow and feed back the information to the controller, the controller controls the intelligent flow regulating valve 310 to control the ammonia conveying flow rate, so that it matches the flue gas flow rate, dynamically adjusts the ammonia spraying amount, finally ensures that the catalyst is always in the best reaction condition, and when the denitrified gas is sprayed out through the discharge head, it will pass through the pressure transmitter 340 at the bottom of the shell 100, which can effectively detect the pressure, and adjust the electric valve 320 to control the external gas pressure, so as to realize the purpose of efficient denitrification, and can save more ammonia.

[0046] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included in the protection scope of the present application.

Claims

1. A kiln denitration ammonia water evaporator device characterized by, The utility model relates to a high -efficient denitration device of shell (100) and the shell (100) bottom are sealed to communicate with pressure transmitter (340), the shell (100) one end is sealed to communicate with mass flowmeter (330), the shell (100) top is sealed to communicate with the even spray assembly (200) of electric valve (320), the even spray assembly (200) includes the delivery pipe (210) of being connected in the connecting cover (110) inside, the top of delivery pipe (210) is sealed to communicate with delivery head, the bottom of delivery pipe (210) is sealed to communicate with delivery disc (220), the outer wall of delivery disc (220) is sealed to communicate with a plurality of connecting pipes (230), the bottom of a plurality of connecting pipes (230) is sealed to communicate with atomizing nozzle (240), and the bottom of a plurality of atomizing nozzles (240) is correspondingly provided with a plurality of needle electrodes (250), the high -efficient denitration assembly (300) of the high -efficient denitration assembly (300) is sealed to communicate with intelligent flow regulating valve (310) on one side of delivery head top, the other side of delivery head top is sealed to communicate with electric valve (320), one end of shell (100) is sealed to communicate with mass flowmeter (330), the bottom of shell (100) is sealed to communicate with pressure transmitter (340). The inside of a plurality of connecting pipes (230) is spiral flow channel, and a plurality of atomizing nozzles (240) are flat. The bottom of delivery disc (220) is provided with a plurality of fixed plates (400), the bottom of a plurality of connecting pipes (230) is provided with a plurality of support plates (500), and a plurality of fixed plates (400) and support plates (500) are fixedly connected with needle electrodes (250). The middle of the inner wall of shell (100) is provided with a mixing barrel (600), the top of mixing barrel (600) is sealed to communicate with a hopper (700), and the bottom of hopper (700) is sealed to communicate with a heat exchange pipe (800).

2. The ammonia evaporator device for denitration of a furnace according to claim 1, characterized by: The end of heat exchange pipe (800) penetrates mixing barrel (600) and is sealed to communicate with a discharge head, one side of the middle of mixing barrel (600) is sealed to communicate with an auxiliary pipe (900), and one side of auxiliary pipe (900) penetrates mixing barrel (600) and shell (100) and is sealed to communicate with a first external connector.

3. The ammonia evaporator device for denitration of a furnace according to claim 2, characterized in that: One side of the bottom of mixing barrel (600) is sealed to communicate with a condensate discharge pipe (1000), one side of condensate discharge pipe (1000) penetrates mixing barrel (600) and shell (100) and is sealed to communicate with a second external connector, and one side of shell (100) is provided with a controller.

4. The ammonia evaporator device for denitration of a furnace according to claim 1, characterized by: The needle electrode (250), intelligent flow regulating valve (310), electric valve (320), mass flowmeter (330) and pressure transmitter (340) are electrically connected with the controller, and the controller is electrically connected with an external power supply.

5. The ammonia evaporator device for denitration of a furnace according to claim 4, characterized by: ​ 6. The ammonia evaporator device for denitration of a furnace according to claim 5, characterized by: ​ 7. The ammonia evaporator device for denitration of a furnace according to claim 6, characterized by: ​

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