Denitration device for cement kiln

Abstract

The utility model relates to the technical field of cement kiln denitration, and discloses a denitration device for a cement kiln, which comprises a denitration tower, an air inlet pipe is fixedly mounted on the left side of the denitration tower, an exhaust pipe is fixedly mounted at the top of the denitration tower, a denitration mechanism is arranged in the denitration tower, and a dismounting mechanism is arranged on the front side of the denitration tower. The denitration mechanism comprises a spraying assembly and a scattering assembly, and the scattering assembly is arranged at the top of the spraying assembly. A water spraying box is rotated to spray, so that the spraying range is enlarged, the flue gas treatment is more comprehensive, a scattering plate is rotated to scatter the introduced flue gas, the flue gas does irregular movement in the denitration tower, the sprayed denitration liquid and the flue gas are more comprehensive in contact reaction, and the denitration is more thorough; the filter plate can be detached and cleaned, so that the filter plate is prevented from being blocked by impurities, and the treated solution can be continuously and effectively filtered subsequently.

Description

Technical Field

[0001] The utility model relates to the technical field of cement kiln denitration, in particular to a denitration device for a cement kiln. Background Technique

[0002] A kiln is a device made of refractory materials for firing products and is an essential facility in pottery forming. With the human's tens of thousands of years of ceramic firing history, a rich variety of kiln styles and experiences have been accumulated. A cement kiln is also one of the most common kilns. Generally, when a cement kiln discharges smoke, a large amount of environmentally polluting gases will appear, which will affect the environment and thus the normal life of people in the surrounding area.

[0003] According to a denitration device for a cement kiln disclosed on the patent network (the authorization announcement number is: CN 214261352U), it is described that "the utility model discloses a denitration device for a cement kiln, including a primary reaction tank and a secondary denitration tank. A plurality of heating pipes are connected and arranged on the inner wall of the primary reaction tank. An air inlet pipe is connected and arranged on the side of the primary reaction tank. A connecting pipe is connected and arranged on the top of the primary reaction tank. A plurality of air outlet holes are uniformly arranged inside the secondary denitration tank on the connecting pipe. A liquid inlet pipe is connected and arranged on the side of the secondary denitration tank. A circulating liquid pipe is connected and arranged at the bottom of the secondary denitration tank. A pump body is connected and arranged on the circulating liquid pipe. A spraying pipe is connected and arranged on the circulating liquid pipe. A plurality of atomizing nozzles are uniformly connected and arranged on the spraying pipe. A dust removal net is connected and arranged above the spraying pipe inside the secondary denitration tank. An exhaust pipe is arranged above the secondary denitration tank. Compared with the prior art, the utility model has the advantages that the structure is novel, the design is reasonable, and the denitration effect is good."

[0004] In view of the above description, the applicant believes that the following problems exist:

[0005] During the use of this utility model, through the combined use of the circulating liquid pipe, pump body, spraying pipe, and atomizing nozzles, the flue gas entering the secondary denitration tank is subjected to secondary denitration treatment. However, in actual use, after filtering it with a filter element, over time, the filter element is prone to being blocked, resulting in the subsequent inability to effectively filter the treated solution. Therefore, it is necessary to improve a denitration device for a cement kiln to solve the above problems. Content of the Utility Model

[0006] The purpose of the utility model is to provide a denitration device for a cement kiln to solve the problems raised in the above background technique.

[0007] To achieve the above object, the utility model provides the following technical solution: A denitration device for a cement kiln, including a denitration tower. An air inlet pipe is fixedly installed on the left side of the denitration tower, and an exhaust pipe is fixedly installed on the top of the denitration tower. A denitration mechanism is arranged inside the denitration tower, and a disassembly mechanism is arranged on the front of the denitration tower;

[0008] The denitration mechanism includes a spraying component and a dispersing component, and the dispersing component is arranged on the top of the spraying component.

[0009] Preferably, the spraying component includes a water tank, which is arranged on the right side of the denitration tower. A water inlet pipe is fixedly installed on the top of the water tank, and a water pump I is fixedly installed on the top of the water tank. A water outlet pipe is fixedly installed on the front of the water pump I. A rotating pipe is rotatably installed inside the denitration tower, and a water spraying box is fixedly installed at the bottom of the rotating pipe. A water pump II is fixedly installed on the right side of the denitration tower, and a circulating water pipe is fixedly installed on the right side of the water pump II, so as to increase the spraying range and make the treatment of flue gas more comprehensive.

[0010] Preferably, the end of the water outlet pipe away from the water pump I is rotatably installed with the rotating pipe. The water pump I and the water tank are fixedly installed through a water suction pipe, and the end of the circulating water pipe away from the water pump II is fixedly installed with the water tank, so that the water spraying box rotates for spraying.

[0011] Preferably, the dispersing component includes a power box, which is fixedly installed on the top of the denitration tower. A motor is fixedly installed inside the power box, and a bevel gear I is fixedly installed at the output end of the motor. A bevel gear II is fixedly installed outside the rotating pipe. A bevel gear III is rotatably installed inside the power box, and a synchronous pulley I is fixedly installed on the back of the bevel gear III. A synchronous belt is installed outside the synchronous pulley I in a transmission manner, and a synchronous pulley II is installed at the end of the synchronous belt away from the synchronous pulley I in a transmission manner. A dispersing plate is fixedly installed on the front of the synchronous pulley II, so that the sprayed denitration liquid reacts with the flue gas more comprehensively and makes the denitration more thorough.

[0012] Preferably, the bevel gear III meshes with the bevel gear I, the bevel gear II meshes with the bevel gear I. Through holes are opened at the positions of the denitration tower corresponding to the dispersing plates, and the dispersing plates pass through the through holes and are fixedly installed with the synchronous pulley II. The dispersing plates rotate to disperse the introduced flue gas, so that the flue gas moves randomly inside the denitration tower.

[0013] Preferably, the disassembly mechanism includes a filter plate which is slidably installed inside the denitration tower. A fixing frame is fixedly installed on the front of the denitration tower. A spring is fixedly installed inside the fixing frame. One end of the spring away from the fixing frame is fixedly installed with a sliding block. A pull rod is fixedly installed on the front of the sliding block. An inserting block is fixedly installed at the bottom of the sliding block. A fixing frame is fixedly installed on the front of the filter plate to prevent impurities from clogging the filter plate, so that the subsequent filtration operation of the treated solution can be continued effectively.

[0014] Preferably, the sliding block and the inserting block are slidably installed inside the fixing frame. Slots are opened at the corresponding positions of the fixing frame and the inserting block, and the inserting block is inserted into the slots, so that the filter plate can be disassembled and cleaned.

[0015] Compared with the prior art, the utility model provides a denitration device for a cement kiln, which has the following beneficial effects:

[0016] 1. For the denitration device for the cement kiln, during use, by arranging the denitration mechanism, the water spraying box rotates and sprays, so that the spraying range is increased, the treatment of the flue gas is more comprehensive, the dispersion plate rotates, the dispersion plate rotates to disperse the introduced flue gas, so that the flue gas moves irregularly inside the denitration tower, and the sprayed denitration liquid reacts more comprehensively with the flue gas, making the denitration more thorough.

[0017] 2. For the denitration device for the cement kiln, during use, by arranging the disassembly mechanism, the inserting block is disengaged from the insertion range of the fixing frame, and then the filter plate is taken out to filter the impurities filtered on the surface of the filter plate. Moreover, the filter plate can be disassembled and cleaned to prevent impurities from clogging the filter plate, so that the subsequent filtration operation of the treated solution can be continued effectively. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts:

[0019] Figure 1 It is a schematic diagram of the external structure of the present utility model;

[0020] Figure 2 It is a schematic diagram of the internal structure of the present utility model;

[0021] Figure 3 It is a schematic diagram of the external structure of the spraying assembly of the present utility model;

[0022] Figure 4Schematic diagram of the decomposition structure of the dispersion component of the present utility model;

[0023] Figure 5 Schematic diagram of the decomposition structure of the disassembly mechanism of the present utility model.

[0024] In the figure: 1, denitration tower; 2, denitration mechanism; 21, spraying component; 211, water tank; 212, water inlet pipe; 213, water pump 1; 214, water outlet pipe; 215, rotating pipe; 216, water spraying box; 217, water pump 2; 218, circulating water pipe; 22, dispersion component; 221, power box; 222, motor; 223, bevel gear 1; 224, bevel gear 2; 225, bevel gear 3; 226, synchronous pulley 1; 227, synchronous belt; 228, synchronous pulley 2; 229, dispersion plate; 3, disassembly mechanism; 31, filter plate; 32, fixing frame; 33, spring; 34, sliding block; 35, pull rod; 36, insertion block; 37, fixing frame; 4, exhaust pipe; 5, intake pipe. Specific embodiments

[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0026] In the present utility model, unless otherwise clearly defined and limited, terms such as "installation", "connection", "connection", "fixation" and other terms should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and can be the communication inside two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0027] Embodiment 1:

[0028] Please refer to Figures 1-4 , the present utility model provides a technical solution: a denitration device for a cement kiln, including a denitration tower 1, an intake pipe 5 is fixedly installed on the left side of the denitration tower 1, an exhaust pipe 4 is fixedly installed on the top of the denitration tower 1, a denitration mechanism 2 is arranged inside the denitration tower 1, and a disassembly mechanism 3 is arranged on the front surface of the denitration tower 1;

[0029] The denitration mechanism 2 includes a spraying component 21 and a dispersion component 22, and the dispersion component 22 is arranged on the top of the spraying component 21.

[0030] Furthermore, the spraying assembly 21 includes a water tank 211, which is arranged on the right side of the denitrification tower 1. A water inlet pipe 212 is fixedly installed on the top of the water tank 211, a water pump 213 is fixedly installed on the top of the water tank 211, a water outlet pipe 214 is fixedly installed on the front of the water pump 213, a rotating pipe 215 is rotatably installed inside the denitrification tower 1, a water spray box 216 is fixedly installed on the bottom of the rotating pipe 215, a water pump 217 is fixedly installed on the right side of the denitrification tower 1, and a circulating water pipe 218 is fixedly installed on the right side of the water pump 217, so that the spraying range is increased and the treatment of the flue gas is more comprehensive.

[0031] Furthermore, one end of the water outlet pipe 214 away from the water pump 1 213 is rotatably installed with the rotating tube 215, the water pump 1 213 is fixedly installed with the water tank 211 through the suction pipe, and one end of the circulating water pipe 218 away from the water pump 2 217 is fixedly installed with the water tank 211, so that the water spray box 216 can rotate and spray.

[0032] Furthermore, the breaking up component 22 includes a power box 221, which is fixedly installed on the top of the denitrification tower 1, a motor 222 is fixedly installed inside the power box 221, a bevel gear 1 223 is fixedly installed on the output end of the motor 222, a bevel gear 224 is fixedly installed on the outside of the rotating tube 215, a bevel gear 3 225 is rotatably installed inside the power box 221, a synchronous wheel 1 226 is fixedly installed on the back of the bevel gear 3 225, a synchronous wheel 1 226 is externally driven and installed with a synchronous belt 227, a synchronous wheel 228 is driven and installed on the end of the synchronous belt 227 away from the synchronous wheel 1 226, and a breaking up plate 229 is fixedly installed on the front of the synchronous wheel 228, so that the sprayed denitrification liquid can react with the flue gas more comprehensively, thereby making the denitrification more thorough.

[0033] Furthermore, bevel gear three 225 is meshed with bevel gear one 223, bevel gear two 224 is meshed with bevel gear one 223, through holes are opened at corresponding positions of the denitrification tower 1 and the scattering plate 229, and the scattering plate 229 passes through the through holes and is fixedly installed with the synchronous wheel two 228. The scattering plate 229 rotates to scatter the incoming flue gas, so that the flue gas moves irregularly inside the denitrification tower 1.

[0034] Embodiment 2:

[0035] See also Figure 5, and in combination with Embodiment 1, it is further obtained that the disassembly mechanism 3 includes a filter plate 31. The filter plate 31 is slidably installed inside the denitration tower 1. A fixed frame 32 is fixedly installed on the front of the denitration tower 1. A spring 33 is fixedly installed inside the fixed frame 32. One end of the spring 33 away from the fixed frame 32 is fixedly installed with a sliding block 34. A pull rod 35 is fixedly installed on the front of the sliding block 34. An insertion block 36 is fixedly installed at the bottom of the sliding block 34. A fixed frame 37 is fixedly installed on the front of the filter plate 31 to prevent impurities from blocking the filter plate 31, so that the subsequent filtration operation of the treated solution can continue effectively.

[0036] Furthermore, the sliding block 34 and the insertion block 36 are slidably installed inside the fixed frame 32. Slots are opened at the corresponding positions of the fixed frame 37 and the insertion block 36, and the insertion block 36 is inserted into the slots, so that the filter plate 31 can be disassembled and cleaned.

[0037] During the actual operation process, when this device is in use, the flue gas in the cement kiln is introduced into the denitration tower 1 through the inlet pipe 5. Then, the water pump 213 is started. The water pump 213 pumps the denitration liquid in the water tank 211 into the outlet pipe 214 and sends it into the spraying box 216, and it is sprayed out by the spraying box 216 to perform spraying denitration treatment on the flue gas. The motor 222 is started. The output end of the motor 222 drives the bevel gear 223 to rotate. The rotation of the bevel gear 223 drives the meshing bevel gear 224 to rotate. The rotation of the bevel gear 224 drives the spraying box 216 to rotate, so that the spraying box 216 rotates and sprays, thereby increasing the spraying range and making the treatment of the flue gas more comprehensive. The rotation of the bevel gear 224 drives the meshing bevel gear 225 to rotate. The rotation of the bevel gear 225 enables the synchronous pulley 226 to drive the synchronous pulley 228 to rotate through the synchronous belt 227, and then the dispersion plate 229 rotates. The rotation of the dispersion plate 229 performs a dispersion treatment on the introduced flue gas, making the flue gas move randomly inside the denitration tower 1, making the sprayed denitration liquid react more comprehensively with the flue gas, and making the denitration more thorough. Pull up the pull rod 35. The pull rod 35 disengages the insertion block 36 from the insertion range of the fixed frame 37 through the sliding block 34, and then the filter plate 31 is taken out to perform a filtering operation on the impurities filtered on the surface of the filter plate 31. And the filter plate 31 can be disassembled and cleaned to prevent impurities from blocking the filter plate 31, so that the subsequent filtration operation of the treated solution can continue effectively.

[0038] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising an..." does not exclude the presence of additional identical elements in the process, method, article or device comprising said element.

Claims

1. A denitration device for a cement kiln, comprising a denitration tower (1), characterized in that: An air intake pipe (5) is fixedly installed on the left side of the denitration tower (1), an exhaust pipe (4) is fixedly installed on the top of the denitration tower (1), a denitration mechanism (2) is arranged inside the denitration tower (1), and a disassembly mechanism (3) is arranged on the front of the denitration tower (1); The denitration mechanism (2) comprises a spraying component (21) and a scattering component (22), wherein the scattering component (22) is arranged on the top of the spraying component (21).

2. A denitration device for cement kiln according to claim 1, characterized in that: The spray assembly (21) comprises a water tank (211), the water tank (211) is arranged on the right side of the denitration tower (1), a water inlet pipe (212) is fixedly installed on the top of the water tank (211), a water pump (213) is fixedly installed on the top of the water tank (211), a water outlet pipe (214) is fixedly installed on the front of the water pump (213), a rotating pipe (215) is rotatably installed inside the denitration tower (1), a water spray box (216) is fixedly installed at the bottom of the rotating pipe (215), a water pump (217) is fixedly installed on the right side of the denitration tower (1), and a circulating water pipe (218) is fixedly installed on the right side of the water pump (217).

3. A denitration device for cement kiln according to claim 2, characterized in that: One end of the water outlet pipe (214) away from the water pump 1 (213) is rotatably mounted on the rotating pipe (215), the water pump 1 (213) and the water tank (211) are fixedly mounted via a water pumping pipe, and one end of the circulating water pipe (218) away from the water pump 2 (217) is fixedly mounted on the water tank (211).

4. A denitration device for cement kiln according to claim 2, characterized in that: The dispersing assembly (22) comprises a power box (221), the power box (221) is fixedly mounted on the top of the denitration tower (1), a motor (222) is fixedly mounted inside the power box (221), a bevel gear 1 (223) is fixedly mounted on the output end of the motor (222), a bevel gear 2 (224) is fixedly mounted on the outside of the rotating tube (215), a bevel gear 3 (225) is rotatably mounted inside the power box (221), a synchronous wheel 1 (226) is fixedly mounted on the back of the bevel gear 3 (225), a synchronous belt (227) is installed on the outside of the synchronous wheel 1 (226), a synchronous wheel 2 (228) is installed on the end of the synchronous belt (227) away from the synchronous wheel 1 (226), and a dispersing plate (229) is fixedly mounted on the front of the synchronous wheel 2 (228).

5. A denitration device for cement kiln according to claim 4, characterized in that: The bevel gear three (225) meshes with the bevel gear one (223), and the bevel gear two (224) meshes with the bevel gear one (223). Through holes are provided at corresponding positions of the denitration tower (1) and the scattering plate (229), and the scattering plate (229) passes through the through holes and is fixedly installed with the synchronous wheel two (228).

6. The denitration device for cement kiln according to claim 1, characterized in that: The disassembly mechanism (3) comprises a filter plate (31), the filter plate (31) is slidably mounted inside the denitrification tower (1), a fixing frame (32) is fixedly mounted on the front of the denitrification tower (1), a spring (33) is fixedly mounted inside the fixing frame (32), a sliding block (34) is fixedly mounted on one end of the spring (33) away from the fixing frame (32), a pull rod (35) is fixedly mounted on the front of the sliding block (34), an insert block (36) is fixedly mounted on the bottom of the sliding block (34), and a fixing frame (37) is fixedly mounted on the front of the filter plate (31).

7. A denitration device for cement kiln according to claim 6, characterized in that: The sliding block (34) and the inserting block (36) are slidably mounted inside the fixing frame (32); slots are provided at positions corresponding to the fixing frame (37) and the inserting block (36), and the inserting block (36) is inserted into the slots.

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