Carbon-based oxygen-enriched combustion device for cement kiln flue gas circulation

Abstract

The utility model relates to the technical field of combustion devices, and discloses a carbon-based oxygen-enriched combustion device for cement kiln flue gas circulation, which comprises a filter box, a pipeline I is fixedly mounted on the left side of the filter box, blocking covers are arranged on the front side and the back side of the filter box, and impurity removal mechanisms are arranged inside and outside the filter box. And an oxygen-enriched combustion mechanism is arranged on the right side of the filter box. According to the carbon-based oxygen-enriched combustion device for flue gas circulation of the cement kiln, in the using process of the carbon-based oxygen-enriched combustion device, in the arranged impurity removing mechanism, gas entering a filtering box can be subjected to impurity removing treatment in a filtering mode through an arranged filtering plate and a spraying head, spraying water can be prevented from being splashed out through an arranged water retaining partition plate, and by means of a rotating three-head protruding block, the spraying water can be prevented from being splashed out; and the rotating column can drive the sliding strip to move left and right, so that the two filter plates are knocked, the filter plates are prevented from being blocked by filtered impurities, and meanwhile, the situation that air inlet is affected is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of combustion devices, in particular to a carbon-based oxygen-enriched combustion device for cement kiln flue gas circulation. Background Art

[0002] Cement kiln, also known as cement rotary kiln, belongs to the category of building materials equipment and is a type of lime kiln. In the process of flue gas circulation in cement kiln, oxygen-enriched combustion device is usually required to burn oxygen-containing gas with higher oxygen content than air (20.947%). It is a high-efficiency energy-saving combustion device.

[0003] According to the description of a cement rotary kiln oxygen-enriched burner disclosed on the patent website (authorization announcement number: CN 220062526U), "The utility model relates to the technical field of cement processing, and discloses a cement rotary kiln oxygen-enriched burner, including a device body, the device body is composed of a fan body, a membrane oxygen-enriched generator, a dry vacuum pump, a pressure-stabilizing tank, a kiln head, a decomposition furnace, a vacuum gauge, an oxygen-enriched air duct, an external wind blowing pipe, a head coal wind blowing pipe, a rotary kiln body and a tail coal wind blowing pipe, and the device body also includes a filtering mechanism. The utility model is provided with a filter box, a primary filter screen, a secondary filter screen, an air inlet and an air outlet. In actual use, this design can effectively filter out impurities in the incoming air through the setting of the filtering mechanism, thereby ensuring the subsequent combustion-supporting effect. Specifically, air enters the interior of the filter box through the air inlet, first passes through the primary filter screen to filter out larger particles, and then passes through the secondary filter screen to filter out smaller particles, and finally enters the device body."

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

[0005] During use, the utility model can effectively filter out impurities in the incoming air through the first and second level filters, preventing the air containing dust and impurities from affecting the combustion effect, and utilizing the design of the spray head to spray and remove dust on the air entering the fan body. However, in actual use, when filtering impurities in the air, the filter holes will be blocked by the impurities, and the filter has no anti-blocking structure, resulting in the filtered impurities clogging the filter and affecting the air intake of the gas. Therefore, it is necessary to improve a carbon-based oxygen-enriched combustion device for cement kiln flue gas circulation to solve the above problem. Utility Model Content

[0006] The utility model aims to provide a carbon-based oxygen-enriched combustion device for cement kiln flue gas circulation to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a carbon-based oxygen-enriched combustion device for cement kiln flue gas circulation, comprising a filter box, a pipe 1 is fixedly installed on the left side of the filter box, shielding covers are provided on the front and back of the filter box, impurity removal mechanisms are provided inside and outside the filter box, and an oxygen-enriched combustion mechanism is provided on the right side of the filter box.

[0008] The impurity removal mechanism comprises a filtering impurity removal component and a water shower component, and the water shower component is arranged on the left side of the filtering impurity removal component.

[0009] Preferably, the filtering and impurity removal component includes a filter plate, which is fixedly installed inside a filter box, a vertical block is fixedly installed on the inner side of the bottom of the filter box, a slide bar is slidably installed on the top of the vertical block, a knocking block is fixedly installed on the outer side of the slide bar, a rotating column is rotatably installed on the top of the slide bar, a motor is fixedly installed on the top of the filter box, a rotating rod is fixedly installed on the bottom of the transmission shaft of the motor, and a three-headed protrusion is fixedly installed on the bottom of the rotating rod, so as to prevent the filter plate from being blocked by the filtering and impurity removal component.

[0010] Preferably, grooves are provided at corresponding positions of the upright block and the slide bar, and the slide bar is slidably installed in the groove provided inside the upright block, so that the knocking block can knock the filter plate normally.

[0011] Preferably, the water shower assembly includes a water receiving box, which is fixedly installed on the bottom inner side of the filter box, a water valve is fixedly installed on the front of the water receiving box, a water retaining baffle is fixedly installed on the top of the water receiving box, a spray head is fixedly installed on the top inner side of the filter box, a pipe 2 is fixedly installed on the top of the spray head, a pump is fixedly installed on the end of the pipe 2 away from the spray head, a pipe 3 is fixedly installed on the back of the pump, and a water storage tank is fixedly installed on the outside of the pipe 3 to facilitate the removal of impurities by water showering.

[0012] Preferably, two water retaining baffles are provided, and the two water retaining baffles are symmetrically distributed on the top of the water receiving box, so as to facilitate water retaining by the water retaining baffles.

[0013] Preferably, holes are provided at corresponding positions of the water tank and the pipe three, and the pipe three is slidably installed inside the hole provided inside the water tank, so as to facilitate pumping water through the pipe three.

[0014] Preferably, the oxygen-enriched combustion mechanism includes a pipeline four, the pipeline four is fixedly installed on the right side of the filter box, a fan is fixedly installed on the right side of the pipeline four, a pipeline five is fixedly installed on the right side of the fan, an oxygen-enriched generator is arranged on the right side of the pipeline five, a pipeline six is ​​arranged on the back of the oxygen-enriched generator, a combustion device body is arranged on the back of the pipeline six, a pipeline seven is arranged on the left side of the combustion device body, and a cement kiln is arranged on the left side of the pipeline seven, so as to facilitate oxygen-enriched combustion of cement kiln flue gas through the oxygen-enriched combustion mechanism.

[0015] Compared with the prior art, the utility model provides a carbon-based oxygen-enriched combustion device for cement kiln flue gas circulation, which has the following beneficial effects:

[0016] 1. The carbon-based oxygen-enriched combustion device for flue gas circulation in the cement kiln can remove impurities from the gas entering the filter box by filtering through the provided filter plates and spray heads during use. The provided water retaining baffle can prevent the spray water from splashing out. The rotating three-headed protrusion can be used to enable the rotating column to drive the slide bar to move left and right, thereby knocking the two filter plates, thereby avoiding the filtered impurities from clogging the filter plates and preventing the situation of affecting the gas intake.

[0017] 2. The carbon-based oxygen-enriched combustion device for cement kiln flue gas circulation, through the oxygen-enriched combustion mechanism, utilizes the function of the oxygen-enriched generator during use, so that the flue gas inside the cement kiln can enter the interior of the combustion device body to be burned, thereby realizing the function of oxygen-enriched combustion of the flue gas inside the cement kiln. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor:

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

[0020] Figure 2 This is a schematic diagram of the cross-sectional appearance structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the cross-sectional appearance of the impurity removal mechanism of the utility model;

[0022] Figure 4 This is a schematic diagram of the appearance structure of the filtering and impurity removal component of the utility model;

[0023] Figure 5This is a schematic diagram of the appearance structure of the water shower assembly of the utility model;

[0024] Figure 6 This is a schematic diagram of the appearance and structure of the oxygen-enriched combustion mechanism of the utility model.

[0025] In the figure: 1. filter box; 2. impurity removal mechanism; 21. filter impurity removal component; 211. filter plate; 212. vertical block; 213. slide bar; 214. knocking block; 215. rotating column; 216. motor; 217. rotating rod; 218. three-head protrusion; 22. water shower component; 221. water receiving box; 222. water valve; 223. water baffle; 224. sprinkler head; 225. pipeline two; 226. pump; 227. pipeline three; 228. water storage tank; 3. oxygen-enriched combustion mechanism; 31. pipeline four; 32. fan; 33. pipeline five; 34. oxygen-enriched generator; 35. pipeline six; 36. combustion device body; 37. pipeline seven; 38. cement kiln; 4. pipeline one; 5. cover. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] Embodiment 1:

[0029] See also Figure 1-5 The utility model provides a technical solution: a carbon-based oxygen-enriched combustion device for cement kiln flue gas circulation, comprising a filter box 1, a pipe 4 is fixedly installed on the left side of the filter box 1, a baffle 5 is provided on the front and back of the filter box 1, a debris removal mechanism 2 is provided inside and outside the filter box 1, and an oxygen-enriched combustion mechanism 3 is provided on the right side of the filter box 1.

[0030] The impurity removal mechanism 2 includes a filtering impurity removal component 21 and a water shower component 22 . The water shower component 22 is arranged on the left side of the filtering impurity removal component 21 .

[0031] Furthermore, the filtering and impurity removal component 21 includes a filter plate 211, which is fixedly installed inside the filter box 1. A vertical block 212 is fixedly installed on the inner side of the bottom of the filter box 1. A slide bar 213 is slidably installed on the top of the vertical block 212. A knocking block 214 is fixedly installed on the outer side of the slide bar 213. A rotating column 215 is rotatably installed on the top of the slide bar 213. A motor 216 is fixedly installed on the top of the filter box 1. A rotating rod 217 is fixedly installed on the bottom of the transmission shaft of the motor 216. A three-headed protrusion 218 is fixedly installed on the bottom of the rotating rod 217, which facilitates the filtering and impurity removal component 21 to prevent the filter plate 211 from being blocked.

[0032] Furthermore, grooves are provided at corresponding positions of the upright block 212 and the slide bar 213 , and the slide bar 213 is slidably installed in the groove provided inside the upright block 212 , so that the knocking block 214 can knock the filter plate 211 normally.

[0033] Furthermore, the water shower assembly 22 includes a water receiving box 221, which is fixedly installed on the inner side of the bottom of the filter box 1, a water valve 222 is fixedly installed on the front of the water receiving box 221, a water retaining baffle 223 is fixedly installed on the top of the water receiving box 221, a spray head 224 is fixedly installed on the inner side of the top of the filter box 1, a pipe 225 is fixedly installed on the top of the spray head 224, a pump 226 is fixedly installed on the end of the pipe 225 away from the spray head 224, a pipe 3 227 is fixedly installed on the back of the pump 226, and a water storage tank 228 is fixedly installed on the outside of the pipe 3 227 to facilitate the removal of impurities by water showering.

[0034] Furthermore, two water retaining baffles 223 are provided, and the two water retaining baffles 223 are symmetrically distributed on the top of the water receiving box 221 , so as to facilitate water retaining through the water retaining baffles 223 .

[0035] Furthermore, holes are opened at corresponding positions of the water tank 228 and the pipe three 227, and the pipe three 227 is slidably installed inside the hole opened inside the water tank 228, so as to facilitate pumping water through the pipe three 227.

[0036] Embodiment two:

[0037] See also Figure 6In combination with the first embodiment, it is further obtained that the oxygen-enriched combustion mechanism 3 includes a pipe four 31, the pipe four 31 is fixedly installed on the right side of the filter box 1, a fan 32 is fixedly installed on the right side of the pipe four 31, a pipe five 33 is fixedly installed on the right side of the fan 32, an oxygen-enriched generator 34 is arranged on the right side of the pipe five 33, a pipe six 35 is arranged on the back of the oxygen-enriched generator 34, a combustion device body 36 is arranged on the back of the pipe six 35, a pipe seven 37 is arranged on the left side of the combustion device body 36, and a cement kiln 38 is arranged on the left side of the pipe seven 37, so as to facilitate the oxygen-enriched combustion of the cement kiln flue gas through the oxygen-enriched combustion mechanism 3.

[0038] In actual operation, when the device is used, the gas passes through the pipe 1 4 and enters the interior of the filter box 1. It will first be filtered by the filter plate 211 on the left. After being filtered by the filter plate 211 on the left, it will be filtered by the filter plate 211 on the right, and then pass through the water retaining baffle 223 and enter the top of the filter plate 211. At this time, the pump 226 is driven to make the pipe 3 227 pump water from the inside of the water tank 228. After the water is transported, the spray head 224 sprays water downward to thoroughly remove impurities from the gas. After the plate 211 has been used for a long time, the motor 216 is driven to make the rotating rod 217 drive the three-headed protrusion 218 to rotate. At this time, when the three-headed protrusion 218 contacts the rotating column 215, the rotating column 215 will drive the slide bar 213 to transmit left and right, so that the knocking block 214 can repeatedly knock the filter plates 211 on the left and right sides. At this time, the impurities on the surface of the filter plate 211 will be vibrated off, and the oxygen-enriched generator 34, the combustion device body 36 and the cement kiln 38 can be used to achieve oxygen-enriched combustion of the flue gas inside the cement kiln 38.

[0039] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A carbon-based oxygen-enriched combustion device for cement kiln flue gas circulation, comprising a filter box (1), characterized in that: A pipe (4) is fixedly installed on the left side of the filter box (1), a cover (5) is provided on the front and back of the filter box (1), a debris removal mechanism (2) is provided inside and outside the filter box (1), and an oxygen-enriched combustion mechanism (3) is provided on the right side of the filter box (1); The impurity removal mechanism (2) comprises a filtering impurity removal component (21) and a water shower component (22), wherein the water shower component (22) is arranged on the left side of the filtering impurity removal component (21).

2. The carbon-based oxygen-enriched combustion device for cement kiln flue gas circulation according to claim 1, characterized in that: The filtering and impurity removal component (21) comprises a filter plate (211), the filter plate (211) is fixedly mounted inside the filter box (1), a vertical block (212) is fixedly mounted on the inner side of the bottom of the filter box (1), a sliding bar (213) is slidably mounted on the top of the vertical block (212), a knocking block (214) is fixedly mounted on the outer side of the sliding bar (213), a rotating column (215) is rotatably mounted on the top of the sliding bar (213), a motor (216) is fixedly mounted on the top of the filter box (1), a rotating rod (217) is fixedly mounted on the bottom of the transmission shaft of the motor (216), and a three-headed protrusion (218) is fixedly mounted on the bottom of the rotating rod (217).

3. The carbon-based oxygen-enriched combustion device for cement kiln flue gas circulation according to claim 2, characterized in that: Grooves are provided at corresponding positions of the upright block (212) and the slide bar (213), and the slide bar (213) is slidably installed inside the groove provided inside the upright block (212).

4. The carbon-based oxygen-enriched combustion device for cement kiln flue gas circulation according to claim 1, characterized in that: The water shower assembly (22) comprises a water receiving box (221), the water receiving box (221) being fixedly mounted on the inner side of the bottom of the filter box (1), a water valve (222) being fixedly mounted on the front of the water receiving box (221), a water retaining baffle (223) being fixedly mounted on the top of the water receiving box (221), a spray head (224) being fixedly mounted on the inner side of the top of the filter box (1), a second pipe (225) being fixedly mounted on the top of the spray head (224), a pump (226) being fixedly mounted on one end of the second pipe (225) away from the spray head (224), a third pipe (227) being fixedly mounted on the back of the pump (226), and a water storage tank (228) being fixedly mounted on the outside of the third pipe (227).

5. The carbon-based oxygen-enriched combustion device for cement kiln flue gas circulation according to claim 4, characterized in that: Two water retaining baffles (223) are provided, and the two water retaining baffles (223) are symmetrically distributed on the top of the water receiving box (221).

6. The carbon-based oxygen-enriched combustion device for cement kiln flue gas circulation according to claim 4, characterized in that: The water storage tank (228) and the pipe three (227) are provided with holes at corresponding positions, and the pipe three (227) is slidably installed inside the hole opened inside the water storage tank (228).

7. The carbon-based oxygen-enriched combustion device for cement kiln flue gas circulation according to claim 1, characterized in that: The oxygen-enriched combustion mechanism (3) comprises a pipe four (31), the pipe four (31) is fixedly installed on the right side of the filter box (1), a fan (32) is fixedly installed on the right side of the pipe four (31), a pipe five (33) is fixedly installed on the right side of the fan (32), an oxygen-enriched generator (34) is arranged on the right side of the pipe five (33), a pipe six (35) is arranged on the back of the oxygen-enriched generator (34), a combustion device body (36) is arranged on the back of the pipe six (35), a pipe seven (37) is arranged on the left side of the combustion device body (36), and a cement kiln (38) is arranged on the left side of the pipe seven (37).

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