Waste heat boiler for cement production

Abstract

The utility model discloses a waste heat boiler for cement production, and relates to the technical field of cement production. Comprising a boiler body, a cleaning mechanism is arranged in the boiler body and used for cleaning the inner wall of the boiler body, the cleaning mechanism comprises a connecting rod, one end of the connecting rod is fixedly connected with a fixing rod, and one end of the fixing rod is fixedly connected with a scraper. Through the arrangement of the cleaning mechanism and the filtering mechanism, in the using process, when the boiler body needs to be cleaned, firstly, a motor installed on an installation frame drives a worm to rotate, meanwhile, a connecting rod is driven to rotate through a rotating plate and a telescopic rod, and the connecting rod rotates to drive a fixing rod and a scraping plate to clean the inner wall of the boiler body; and meanwhile, secondary cleaning is conducted through a cleaning brush, in the cleaning process, a motor drives a driving bevel gear to rotate, meanwhile, a driven bevel gear is made to rotate, a lead screw is made to move up and down, and therefore the cleaning depth is adjusted, the device can clean different types of dirt, and corrosion and abrasion are reduced.

Description

Technical Field

[0001] This utility model relates to the field of cement production technology, specifically to a waste heat boiler for cement production. Background Technology

[0002] Waste heat boilers are boilers that utilize the sensible heat in waste gas, waste materials, or waste liquid from various industrial processes, or the heat generated after the combustion of combustible substances. Oil-fired boilers, gas-fired boilers, and coal-fired boilers that have waste heat recovery and utilization in the smoke box and flue are also called waste heat boilers. Waste heat boilers can produce hot water or steam to supply other processes through waste heat recovery.

[0003] During cement production, the exhaust gas from the cement kiln tail preheater enters the waste heat boiler through the flue. However, dry-process cement production lines in cement plants generate flue gas, and the dust contained in the flue gas enters the waste heat boiler along with the flue gas. The impurities in the flue gas are easily adsorbed on the waste heat boiler, making it difficult to clean and affecting the service life of the boiler. Therefore, we propose a more convenient and practical waste heat boiler to meet the usage requirements. Utility Model Content

[0004] The purpose of this utility model is to provide a waste heat boiler for cement production to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a waste heat boiler for cement production, comprising a boiler body, wherein a cleaning mechanism is provided inside the boiler body for cleaning the inner wall of the boiler body, the cleaning mechanism comprising a connecting rod, a fixing rod fixedly connected to one end of the connecting rod, a scraper fixedly connected to one end of the fixing rod, one end of the scraper being in contact with the inner wall of the boiler body, a cleaning brush fixedly connected to the outer wall of one end of the connecting rod, the cleaning brush being in contact with the inner wall of the boiler body, and a filter mechanism provided on one side of the outer wall of the boiler body for filtering the waste gas generated during the operation of the boiler body.

[0006] Furthermore, a through hole is provided on one side of the top of the boiler body, and a feed pipe is fixedly connected inside the through hole. A screw cap is screwed to one end of the feed pipe.

[0007] Furthermore, two rotating plates are fixedly connected to the outer wall of the connecting rod, and the rotating plates are arranged vertically between each other. A lead screw is rotatably connected to the top center of each rotating plate, and a telescopic rod is fixedly connected between the rotating plates.

[0008] Furthermore, a mounting bracket is fixedly connected to the top of the boiler body, and a helical gear is rotatably connected to one side of the mounting bracket. The helical gear is connected to a rotating plate. A through hole is opened on one side of the mounting bracket, and a worm is rotatably connected inside the through hole. The worm meshes with the teeth of the helical gear.

[0009] Furthermore, a driven bevel gear is rotatably connected to one side of the top of the mounting bracket. The driven bevel gear is screwed to the outer wall of the lead screw. A driving bevel gear is provided on one side of the driven bevel gear, and the teeth of the driving bevel gear and the driven bevel gear mesh with each other.

[0010] Furthermore, the filtration mechanism includes a connecting pipe that is connected to the boiler body. A filter box is fixedly connected to one end of the connecting pipe. A plurality of equidistant through holes are opened on one side of the filter box. Filter plates and adsorption plates are respectively inserted into the through holes. An exhaust pipe is fixedly connected to one side of the filter box, and a fan is installed at one end of the exhaust pipe.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] This waste heat boiler for cement production, through its cleaning and filtration mechanisms, operates by first driving a worm gear on a mounting frame to rotate via a rotating plate and telescopic rod, which in turn rotates a connecting rod. The rotating connecting rod then drives a fixed rod and scraper to clean the inner wall of the boiler body. Simultaneously, a cleaning brush performs a secondary cleaning. During this process, the motor drives a bevel gear, which in turn rotates a driven bevel gear, causing a lead screw to move up and down, thus adjusting the cleaning depth. This device can clean different types of dirt, reducing corrosion and wear, thereby extending the service life of the boiler and its components. It is highly practical and suitable for widespread adoption.

[0013] At the same time, the filtration system can effectively remove harmful components from exhaust gases, such as dust, soot and other harmful substances, thereby reducing the impact on the environment. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0015] Figure 2 This is a cross-sectional view of the cleaning mechanism of this utility model;

[0016] Figure 3 This is a schematic diagram of the filter mechanism of this utility model.

[0017] In the diagram: 1. Boiler body; 2. Feed pipe; 3. Twisted cap; 4. Cleaning mechanism; 401. Connecting rod; 402. Fixing rod; 403. Scraper; 404. Cleaning brush; 405. Lead screw; 406. Telescopic rod; 407. Rotating plate; 408. Helical gear; 409. Mounting bracket; 410. Worm gear; 411. Driven bevel gear; 412. Driving bevel gear; 5. Filtering mechanism; 501. Connecting pipe; 502. Filter box; 503. Filter plate; 504. Adsorption plate; 505. Exhaust pipe; 506. Fan. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] Waste heat boilers are required in cement production. The waste heat boiler provided by this utility model is specifically designed for waste heat recovery operations in cement production. When using this equipment for recovery operations, it is important to clean the inside and outside of the boiler before starting it to ensure there is no accumulated dirt or debris, thereby reducing safety hazards. Before formal operation, a no-load test can be conducted to check whether the various functions of the boiler are normal. After starting, the temperature should be gradually increased, the equipment's response should be observed, data should be recorded in a timely manner, and any abnormalities should be adjusted promptly to ensure the normal operation of the waste gas treatment system and to monitor the waste gas emission status to ensure compliance with environmental protection standards.

[0020] like Figures 1-3 As shown, this utility model provides a technical solution: a waste heat boiler for cement production, including a boiler body 1. A cleaning mechanism 4 is provided inside the boiler body 1 for cleaning the inner wall of the boiler body 1. The cleaning mechanism 4 includes a connecting rod 401. A fixing rod 402 is fixedly connected to one end of the connecting rod 401. A scraper 403 is fixedly connected to one end of the fixing rod 402. One end of the scraper 403 is in contact with the inner wall of the boiler body 1. A cleaning brush 404 is fixedly connected to the outer wall of one end of the connecting rod 401. The cleaning brush 404 is in contact with the inner wall of the boiler body 1. A filter mechanism 5 is provided on one side of the outer wall of the boiler body 1 for filtering the exhaust gas generated when the boiler body 1 is working. A through hole is opened on one side of the top of the boiler body 1. A feed pipe 2 is fixedly connected to the through hole. A screw cap 3 is screwed to one end of the feed pipe 2.

[0021] like Figure 2As shown, two rotating plates 407 are fixedly connected to the outer wall of the connecting rod 401. The rotating plates 407 are arranged vertically between each other. A lead screw 405 is rotatably connected to the top center of the rotating plates 407. A telescopic rod 406 is fixedly connected between the rotating plates 407. A mounting bracket 409 is fixedly connected to the top of the boiler body 1. A helical gear 408 is rotatably connected to one side of the mounting bracket 409. The helical gear 408 is connected to the rotating plate 407. A through hole is opened on one side of the mounting bracket 409. A worm gear 410 is rotatably connected in the through hole. The worm gear 410 meshes with the teeth of the helical gear 408. A driven bevel gear 411 is rotatably connected to one side of the top of the mounting bracket 409. The driven bevel gear 411 is screwed to the outer wall of the lead screw 405. A driving bevel gear 412 is provided on one side of the driven bevel gear 411. The teeth of the driving bevel gear 412 mesh with the teeth of the driven bevel gear 411.

[0022] It is important to note that during operation, when cleaning the boiler body 1 is required, the motor mounted on the mounting bracket 409 first drives the worm gear 410 to rotate, which in turn drives the connecting rod 401 to rotate via the rotating plate 407 and the telescopic rod 406. The rotation of the connecting rod 401 drives the fixed rod 402 and the scraper 403 to clean the inner wall of the boiler body 1. Simultaneously, a secondary cleaning is performed by the cleaning brush 404. During the cleaning process, the motor drives the drive bevel gear 412 to rotate, which in turn causes the driven bevel gear 411 to rotate, causing the lead screw 405 to move up and down, thereby adjusting the cleaning depth. The design of the cleaning mechanism 4 achieves automated control, reducing manual intervention. This not only improves work efficiency but also reduces the risk of human error.

[0023] like Figure 3 As shown, the filter mechanism 5 includes a connecting pipe 501, which is connected to the boiler body 1. One end of the connecting pipe 501 is fixedly connected to a filter box 502. A plurality of equidistant through holes are opened on one side of the filter box 502. Filter plates 503 and adsorption plates 504 are respectively inserted into the through holes. An exhaust pipe 505 is fixedly connected to one side of the filter box 502. A fan 506 is installed at one end of the exhaust pipe 505.

[0024] It should be noted that during use, the filter box 502 and the boiler body 1 are first connected through the connecting pipe 501. Then, the fan 506 installed on the exhaust pipe 505 is started to discharge the flue gas. During this process, the flue gas is filtered through the filter plate 503 and the adsorption plate 504. The filter mechanism 5 can effectively remove harmful components in the exhaust gas, such as dust, soot and other harmful substances, thereby reducing the impact on the environment.

[0025] During use, when the boiler body 1 needs cleaning, the motor mounted on the mounting bracket 409 drives the worm gear 410 to rotate, which in turn drives the connecting rod 401 to rotate via the rotating plate 407 and the telescopic rod 406. The rotation of the connecting rod 401 drives the fixed rod 402 and the scraper 403 to clean the inner wall of the boiler body 1. At the same time, a secondary cleaning is performed by the cleaning brush 404. During the cleaning process, the motor drives the bevel gear 412 to rotate, which in turn drives the driven bevel gear 411 to rotate, causing the lead screw 405 to move up and down, thereby adjusting the cleaning depth. During the process, the filter box 502 and the boiler body 1 are connected through the connecting pipe 501. Then, the fan 506 mounted on the exhaust pipe 505 is started to discharge the flue gas. During this process, the flue gas is filtered through the filter plate 503 and the adsorption plate 504. This device can clean different types of dirt, reduce corrosion and wear, and thus extend the service life of the boiler and its components.

[0026] Although 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 alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended embodiments and their equivalents.

Claims

1. A waste heat boiler for cement production, comprising a boiler body (1), characterized in that: The boiler body (1) is equipped with a cleaning mechanism (4) for cleaning the inner wall of the boiler body (1). The cleaning mechanism (4) includes a connecting rod (401), a fixing rod (402) is fixedly connected to one end of the connecting rod (401), a scraper (403) is fixedly connected to one end of the fixing rod (402), and one end of the scraper (403) is in contact with the inner wall of the boiler body (1). A cleaning brush (404) is fixedly connected to the outer wall of one end of the connecting rod (401), and the cleaning brush (404) is in contact with the inner wall of the boiler body (1). A filter mechanism (5) is provided on one side of the outer wall of the boiler body (1) for filtering the exhaust gas generated when the boiler body (1) is working.

2. The waste heat boiler for cement production according to claim 1, characterized in that: The boiler body (1) has a through hole on one side of the top, and a feed pipe (2) is fixedly connected in the through hole. A screw cap (3) is screwed to one end of the feed pipe (2).

3. A waste heat boiler for cement production according to claim 1, characterized in that: Two rotating plates (407) are fixedly connected to the outer wall of the connecting rod (401). The rotating plates (407) are arranged vertically between each other. A lead screw (405) is rotatably connected to the top center of the rotating plate (407). A telescopic rod (406) is fixedly connected between the rotating plates (407).

4. A waste heat boiler for cement production according to claim 1, characterized in that: The top of the boiler body (1) is fixedly connected to a mounting bracket (409). A helical gear (408) is rotatably connected to one side of the mounting bracket (409). The helical gear (408) is connected to the rotating plate (407). A through hole is opened on one side of the mounting bracket (409). A worm gear (410) is rotatably connected in the through hole. The teeth of the worm gear (410) mesh with the teeth of the helical gear (408).

5. A waste heat boiler for cement production according to claim 4, characterized in that: The mounting bracket (409) is rotatably connected to a driven bevel gear (411) on one side of its top. The driven bevel gear (411) is screwed to the outer wall of the lead screw (405). A driving bevel gear (412) is provided on one side of the driven bevel gear (411). The teeth of the driving bevel gear (412) and the driven bevel gear (411) mesh with each other.

6. A waste heat boiler for cement production according to claim 1, characterized in that: The filter mechanism (5) includes a connecting pipe (501) which is connected to the boiler body (1). One end of the connecting pipe (501) is fixedly connected to a filter box (502). A plurality of equidistant through holes are opened on one side of the filter box (502). A filter plate (503) and an adsorption plate (504) are respectively inserted into the through holes. A through hole is opened on one side of the filter box (502). An exhaust pipe (505) is fixedly connected to the through hole. A fan (506) is installed at one end of the exhaust pipe (505).

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