Skid-mounted calcium hydroxide injection test device
By introducing a stirring and anti-caking box into the skid-mounted calcium hydroxide injection test device and using a gear system driven by a stepper motor to break up and feed the calcium hydroxide, the problem of powdered calcium hydroxide agglomeration was solved and the experiment was carried out smoothly.
Patent Information
- Application Number
- CN202422276562.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-18
- Publication Date
- 2025-09-30
- Estimated Expiration
- 2034-09-18
AI Technical Summary
The existing skid-mounted calcium hydroxide injection test device lacks a stirring structure inside the experimental material box, which causes the powdered calcium hydroxide to easily agglomerate, affecting the smooth progress of the experiment.
A skid-mounted calcium hydroxide spraying test device was designed, which was equipped with a stirring and anti-caking box. It contained a stirring box, a stepper motor, auger blades and a disperser. The stepper motor drove the driving shaft and gear system to disperse the calcium hydroxide and feed it into the experimental material box.
It effectively avoids calcium hydroxide agglomeration, ensures the smooth progress of the experiment, and improves the experimental efficiency.
Smart Images

Figure CN223393214U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of experimental equipment, in particular to a skid-mounted calcium hydroxide spraying test device. Background Art
[0002] Flue gas purification is a crucial step in the waste incineration process. The calcium hydroxide injection test simulates the waste incineration exhaust gas purification process, demonstrating its application. Specifically, calcium hydroxide is pneumatically injected into a pipeline or reactor for the first stage of absorption. It reacts with powdered calcium hydroxide in the dry absorption reactor to treat the exhaust gas generated by the waste incineration.
[0003] The skid-mounted calcium hydroxide injection test device is an experimental device fixed on a movable bracket and can be moved like a sled.
[0004] During the experiment, powdered calcium hydroxide needs to be poured into the interior of the experimental material box and then the spraying experiment is carried out. However, in the prior art, the interior of the experimental material box does not have a stirring structure, and the powdered calcium hydroxide is prone to agglomeration, affecting the smooth progress of the experiment.
[0005] To this end, we propose a skid-mounted calcium hydroxide injection test device. Utility Model Content
[0006] (1) Technical problems solved
[0007] In view of the shortcomings of the existing technology, the utility model provides a skid-mounted calcium hydroxide spray test device with a front-end breaking structure to avoid agglomeration of powdered calcium hydroxide, which can effectively solve the problems in the background technology.
[0008] (2) Technical solution
[0009] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is: a skid-mounted calcium hydroxide injection test device, comprising a box body, an injection head is fixedly installed on the front end outer surface of the box body, a movable frame is fixedly installed on the lower end outer surface of the box body, an experimental material box is fixedly installed on the side of the box body inner cavity away from the injection head, a pumping structure is connected between the experimental material box and the injection head, a feed pipe is fixedly installed on the upper end outer surface of the experimental material box, and a stirring and anti-caking box is fixedly installed on the rear end of the upper end outer surface of the box body, the stirring and anti-caking box comprises a stirring box, a feeding port, a protective cover, a stepping motor, a driving shaft, an auger blade, a driven shaft, a scrambler, a material guide block, a first gear and a second gear, the stirring box is fixedly installed on the rear end of the upper end outer surface of the box body, and the discharge port is opened in the middle of the lower end outer surface of the stirring box, and the upper end outer surface of the feed pipe is fixedly connected to the lower end of the discharge port.
[0010] Preferably, the protective cover is fixedly mounted on the upper outer surface of the mixing box, the second gear and the driven shaft are both in two groups, and the feeding port is arranged in the middle of the upper end of the front outer surface of the mixing box.
[0011] Preferably, the first gear and the second gear are both located inside the protective cover, the stepper motor is fixedly installed in the middle of the outer surface of the upper end of the protective cover, the driving shaft is connected to the outer surface of the lower end of the stepper motor, and the driving shaft passes through the middle of the mixing box and extends into the interior of the feed pipe, the two groups of driven shafts are located on the left and right sides of the inner cavity of the mixing box, and the upper ends of the driven shafts extend into one side of the inner cavity of the protective cover.
[0012] Preferably, the auger blade is fixedly mounted on the outer wall of the lower end of the driving shaft, and the lower end of the auger blade is located inside the feed pipe, and the first gear is fixedly mounted on the outer wall of the upper part of the driving shaft.
[0013] Preferably, the two groups of the second gears are located on both side outer surfaces of the first gear, the second gears are fixedly mounted on the outer wall of the upper portion of the driven shaft, and the scatterer is fixedly mounted on the outer wall of the lower portion of the driven shaft.
[0014] Preferably, the outer surfaces on both sides of the first gear are meshed with the outer surfaces of one side of the two groups of the second gears, and sealed bearings are provided between the driving shaft, the driven shaft and the mixing box and the protective cover. The driving shaft and the driven shaft are rotatably connected to the mixing box and the protective cover through sealed bearings. A coupling is provided between the driving shaft and the stepper motor, and the outer surface of the upper end of the driving shaft is fixedly connected to the outer surface of the lower end of the output shaft in the stepper motor through the coupling.
[0015] (3) Beneficial effects
[0016] Compared with the prior art, the present invention provides a skid-mounted calcium hydroxide injection test device with the following beneficial effects:
[0017] 1. This skid-mounted calcium hydroxide spraying test device is equipped with a stirring and anti-caking box. The operation of the stepper motor can drive the disperser to rotate, and the disperser is used to disperse the calcium hydroxide inside the stirring box to prevent the calcium hydroxide from agglomerating.
[0018] 2. This skid-mounted calcium hydroxide injection test device facilitates the delivery of calcium hydroxide from the mixing box to the experimental material box through the provided auger blades. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 The utility model is a schematic diagram of the overall structure of a skid-mounted calcium hydroxide injection test device.
[0020] Figure 2This is a side sectional view of a box in a skid-mounted calcium hydroxide injection test device of the utility model.
[0021] Figure 3 The utility model is a schematic structural diagram of a stirring and anti-caking box in a skid-mounted calcium hydroxide injection test device.
[0022] Figure 4 The utility model is a side cross-sectional view of a stirring and anti-caking box in a skid-mounted calcium hydroxide injection test device.
[0023] In the figure: 1. Box body; 2. Spray head; 3. Mobile frame; 4. Mixing and anti-caking box; 5. Pumping structure; 6. Experimental material box; 7. Feed pipe; 8. Mixing box; 9. Feeding port; 10. Protective cover; 11. Stepper motor; 12. Driving shaft; 13. Auger blade; 14. Driven shaft; 15. Disperser; 16. Material guide block; 17. First gear; 18. Second gear; 19. Discharge port. DETAILED DESCRIPTION
[0024] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.
[0025] This embodiment is a skid-mounted calcium hydroxide injection test device.
[0026] like Figure 1-4 As shown, it includes a box body 1, an injection head 2 is fixedly installed on the front end outer surface of the box body 1, a movable frame 3 is fixedly installed on the lower end outer surface of the box body 1, an experimental material box 6 is fixedly installed on the side of the inner cavity of the box body 1 away from the injection head 2, a pumping structure 5 is connected between the experimental material box 6 and the injection head 2, a feeding pipe 7 is fixedly installed on the upper end outer surface of the experimental material box 6, and a stirring and anti-caking box 4 is fixedly installed on the rear end of the upper end outer surface of the box body 1. The stirring and anti-caking box 4 includes a stirring box 8, a feeding port 9, a protective cover 10, a stepping motor 11, a driving shaft 12, an auger blade 13, a driven shaft 14, a scrambler 15, a material guide block 16, a first gear 17 and a second gear 18. The stirring box 8 is fixedly installed at the rear end of the upper end outer surface of the box body 1, and the discharge port 19 is opened in the middle of the lower end outer surface of the stirring box 8, and the upper end outer surface of the feed pipe 7 is fixedly connected to the lower end of the discharge port 19.
[0027] The protective cover 10 is fixedly mounted on the upper outer surface of the mixing box 8, and the number of the second gear 18 and the driven shaft 14 are both two groups. The feeding port 9 is arranged in the middle of the upper end of the outer surface of the front end of the mixing box 8; the first gear 17 and the second gear 18 are both located inside the protective cover 10, and the stepper motor 11 is fixedly mounted on the middle of the upper outer surface of the protective cover 10. The driving shaft 12 is connected to the lower outer surface of the stepper motor 11, and the driving shaft 12 passes through the middle of the mixing box 8 and extends into the interior of the feed pipe 7. The two groups of driven shafts 14 are located on the left and right sides of the inner cavity of the mixing box 8, and the upper end of the driven shaft 14 extends to one side of the inner cavity of the protective cover 10; the auger blade 13 is fixedly mounted on the outer wall of the lower end of the driving shaft 12, and the lower end of the auger blade 13 is located inside the feed pipe 7. The first gear 17 is fixedly mounted on the outer wall of the upper part of the driving shaft 12; two groups of second gears 18 are located on the outer surfaces of both sides of the first gear 17, the second gear 18 is fixedly mounted on the outer wall of the upper part of the driven shaft 14, and the scatterer 15 is fixedly mounted on the outer wall of the lower part of the driven shaft 14; the outer surfaces of both sides of the first gear 17 are engaged with the outer surfaces of one side of the two groups of second gears 18, and sealed bearings are provided between the driving shaft 12, the driven shaft 14 and the mixing box 8 and the protective cover 10. The driving shaft 12 and the driven shaft 14 are rotatably connected to the mixing box 8 and the protective cover 10 through sealed bearings. A coupling is provided between the driving shaft 12 and the stepper motor 11, and the upper end outer surface of the driving shaft 12 is fixedly connected to the lower end outer surface of the output shaft in the stepper motor 11 through a coupling.
[0028] It should be noted that the present invention is a skid-mounted calcium hydroxide spray test device. The box body 1, spray head 2, mobile frame 3, experimental material box 6, and pumping structure 5 described in the text are all prior art and can be effectively known to technicians in the relevant technical field. The specific details will not be repeated here. The stirring and anti-caking box 4 is set, and calcium hydroxide is placed in the stirring box 8 through the feeding port 9. The driving shaft 12 is driven to rotate by the operation of the stepping motor 11, and the driving shaft 12 drives the first gear 17 to rotate. The size of the first gear 17 is larger than the size of the second gear 18. The first gear 1 7 is meshed with the second gear 18, so when the first gear 17 rotates, the driven shaft 14 can be driven to rotate through the second gear 18. The rotation speed of the driven shaft 14 is greater than the rotation speed of the driving shaft 12. Therefore, the driven shaft 14 can drive the scatterer 15 to quickly scatter the calcium hydroxide inside the mixing box 8 to avoid calcium hydroxide agglomeration. The guide block 16 is guided and the stepping motor 11 drives the driving shaft 12 and the auger blade 13 to rotate. The auger blade 13 extends into the feed pipe 7, and the calcium hydroxide inside the mixing box 8 can be pushed into the experimental material box 6.
[0029] It should be noted that, in this article, relational terms such as first and second (number one, number two), 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 that includes a series of elements includes not only those elements, but also other elements that are not explicitly listed, or also includes elements that are inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "including a..." do not exclude the presence of other identical elements in the process, method, article or device that includes the elements.
[0030] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements shall fall within the scope of the present invention as claimed.
Claims
1. A skid-mounted calcium hydroxide injection test device, comprising a box (1), a spray head (2) fixedly mounted on the front end outer surface of the box (1), a movable frame (3) fixedly mounted on the lower end outer surface of the box (1), an experimental material box (6) fixedly mounted on the side of the inner cavity of the box (1) away from the spray head (2), a pumping structure (5) connected between the experimental material box (6) and the spray head (2), and a feed pipe (7) fixedly mounted on the upper end outer surface of the experimental material box (6), characterized in that: A stirring anti-caking box (4) is fixedly installed on the rear end of the outer surface of the upper end of the box body (1), and the stirring anti-caking box (4) includes a stirring box (8), a feeding port (9), a protective cover (10), a stepping motor (11), a driving shaft (12), a screw blade (13), a driven shaft (14), a scatterer (15), a material guide block (16), a first gear (17) and a second gear (18). The stirring box (8) is fixedly installed on the rear end of the outer surface of the upper end of the box body (1), and the discharge port (19) is opened in the middle of the outer surface of the lower end of the stirring box (8), and the upper end outer surface of the feeding pipe (7) is fixedly connected to the lower end of the discharge port (19).
2. A skid-mounted calcium hydroxide injection test device according to claim 1, characterized in that: The protective cover (10) is fixedly mounted on the upper outer surface of the mixing box (8), the second gear (18) and the driven shaft (14) are both provided in two groups, and the feeding port (9) is provided in the middle of the upper end of the front outer surface of the mixing box (8).
3. A skid-mounted calcium hydroxide injection test device according to claim 2, characterized in that: The first gear (17) and the second gear (18) are both located inside the protective cover (10), the stepper motor (11) is fixedly mounted on the middle portion of the outer surface of the upper end of the protective cover (10), the driving shaft (12) is connected to the outer surface of the lower end of the stepper motor (11), and the driving shaft (12) passes through the middle portion of the mixing box (8) and extends into the interior of the feed pipe (7), the two groups of driven shafts (14) are located on the left and right sides of the inner cavity of the mixing box (8), and the upper ends of the driven shafts (14) extend into one side of the inner cavity of the protective cover (10).
4. A skid-mounted calcium hydroxide injection test device according to claim 3, characterized in that: The auger blade (13) is fixedly mounted on the outer wall of the lower end of the driving shaft (12), and the lower end of the auger blade (13) is located inside the feed pipe (7), and the first gear (17) is fixedly mounted on the outer wall of the upper part of the driving shaft (12).
5. A skid-mounted calcium hydroxide injection test device according to claim 4, characterized in that: The two sets of the second gears (18) are located on the outer surfaces of both sides of the first gear (17), the second gears (18) are fixedly mounted on the outer wall of the upper portion of the driven shaft (14), and the scatterer (15) is fixedly mounted on the outer wall of the lower portion of the driven shaft (14).
6. A skid-mounted calcium hydroxide injection test device according to claim 5, characterized in that: The outer surfaces of both sides of the first gear (17) are meshed with the outer surfaces of one side of the two groups of the second gears (18); sealed bearings are provided between the driving shaft (12), the driven shaft (14), the mixing box (8), and the protective cover (10); the driving shaft (12) and the driven shaft (14) are rotatably connected to the mixing box (8) and the protective cover (10) through the sealed bearings; a coupling is provided between the driving shaft (12) and the stepping motor (11); the outer surface of the upper end of the driving shaft (12) is fixedly connected to the outer surface of the lower end of the output shaft in the stepping motor (11) through the coupling.