Gypsum powder cooling and conveying device

Abstract

The utility model relates to the technical field of gypsum production, and discloses a gypsum powder cooling and conveying device which comprises a scraper conveyor, a plurality of supporting legs are fixed to the bottom face of the scraper conveyor, a bottom plate is arranged below the scraper conveyor, the supporting legs are fixed to the four outer walls of the bottom plate respectively, and the supporting legs are fixed to the bottom plate. A cooling mechanism is arranged between the bottom plate and the bottom face of the scraper conveyor and comprises a plurality of heat exchange copper pipes fixed to the inner top face of the scraper conveyor, and cooling fins are fixed to the bottom face of the scraper conveyor. The multiple sets of heat exchange copper pipes are arranged on the inner bottom face of the scraper conveyor, when gypsum powder is scraped on the inner bottom face of the scraper conveyor, the gypsum powder can be completely attached to the outer wall faces of the multiple sets of heat exchange copper pipes, and therefore heat exchange between the gypsum powder and the heat exchange copper pipes and cooling liquid in the heat exchange copper pipes is completed; the gypsum powder is cooled, the cooling effect is good, flying of the gypsum powder is avoided during cooling, and normal transportation of the gypsum powder is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of gypsum production, in particular to a gypsum powder cooling and conveying device. Background Art

[0002] The temperature of the clinker out of the kiln is high and the material properties are unstable. If it is not cooled and aged, the clinker temperature will be too high, affecting the hydration reaction of gypsum and increasing the water requirement of gypsum slurry. At present, after the gypsum powder is successfully fried, it only goes through a cooling process in a cooler, which cannot achieve a good cooling and aging effect. The temperature of the clinker out of the kiln is high, and after the gypsum is ground into powder, the temperature is still as high as 80 degrees. It must be cooled and aged to be below 45 degrees before subsequent production can be carried out.

[0003] An existing gypsum powder cooling and conveying device (Announcement No.: CN215045995U) has the following defects: the above device realizes forced cooling and temperature reduction by adopting high-pressure cooling air, but the gypsum powder will be blown when being cooled by the high-pressure cooling air, causing gypsum dust to fly everywhere, affecting the conveying work of the gypsum powder, and the high-pressure cooling air has a short cooling time for the gypsum powder on each scraper, and the cooling effect needs to be improved. For this reason, the utility model is proposed. Utility Model Content

[0004] The utility model aims to solve the problems existing in the prior art and proposes a gypsum powder cooling and conveying device.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A gypsum powder cooling and conveying device comprises a scraper conveyor, a plurality of supporting legs are fixed to the bottom surface of the scraper conveyor, a bottom plate is arranged below the scraper conveyor, the plurality of supporting legs are respectively fixed to four outer walls of the bottom plate, a cooling mechanism is arranged between the bottom plate and the bottom surface of the scraper conveyor, the cooling mechanism comprises a plurality of heat exchange copper tubes fixed to the inner top surface of the scraper conveyor, a heat dissipation fin is fixed to the bottom surface of the scraper conveyor, a plurality of cooling copper tubes are inserted into the heat dissipation fins, one end of the cooling copper tube close to the feed port of the scraper conveyor passes through the bottom surface of the scraper conveyor and is connected and fixed to one end of the heat exchange copper tube close to the feed port of the scraper conveyor.

[0007] Preferably, a first water collecting pipe is arranged under the scraper conveyor, one end of the heat exchange copper tube near the scraper conveyor discharge port passes through the inner bottom surface of the scraper conveyor and is connected and fixed to the top surface of the first water collecting pipe, a second water collecting pipe is arranged on the side of the heat dissipation fin near the scraper conveyor discharge port, one end of the cooling copper tube near the scraper conveyor discharge port is connected and fixed to one side of the second water collecting pipe, a water pump is fixed to the top surface of the bottom plate, and the water outlet pipe and the water suction pipe of the water pump are connected and fixed to one end of the first water collecting pipe and the second water collecting pipe respectively.

[0008] Preferably, a mounting frame is fixed to the bottom surface of the heat dissipation fin, a plurality of fixing holes are opened on the top surface of the mounting frame, a support plate is fixed inside the fixing hole, a heat dissipation fan blade is rotatably connected to the top surface of the support plate, a gear is fixed to the bottom end of the heat dissipation fan blade, the gears of the plurality of heat dissipation fan blades are meshed and driven by a toothed belt, a driving motor is fixed to the top surface of the bottom plate, a reducer is installed at the front end of the driving motor, and the output shaft of the reducer is fixed to the bottom surface of the heat dissipation fan blade gear closest to the feed port of the scraper conveyor.

[0009] Preferably, a plurality of avoidance openings are provided on the scraping side of the scraper of the scraper conveyor, and the avoidance openings cooperate with the heat exchange copper tubes.

[0010] Preferably, a baffle is fixed inside the scraper conveyor, an electric push rod is fixed on the side of the scraper conveyor close to the feed port, one end of the electric push rod telescopic rod passes through and extends into the interior of the scraper conveyor, and a push plate is fixed at one end of the electric push rod telescopic rod.

[0011] Preferably, two limit rods are inserted on one side of the scraper conveyor close to the feed port, and one end of the limit rod is fixed to one side of the push plate.

[0012] The beneficial effects of the utility model are:

[0013] By arranging multiple groups of heat exchange copper tubes on the inner bottom surface of the scraper conveyor, when the gypsum powder is scraped on the inner bottom surface of the scraper conveyor, the gypsum powder will completely adhere to the outer wall surfaces of the multiple groups of heat exchange copper tubes, thereby completing heat exchange with the heat exchange copper tubes and the coolant inside the heat exchange copper tubes, realizing cooling of the gypsum powder, with a long cooling time and good cooling effect, and the gypsum powder will not be caused to fly during cooling, thereby ensuring the normal transportation of the gypsum powder. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure proposed by the utility model;

[0015] Figure 2 This is a schematic cross-sectional structure diagram of the scraper conveyor proposed in the utility model;

[0016] Figure 3 This is a schematic diagram of the three-dimensional structure of the heat dissipation fins proposed by the utility model;

[0017] Figure 4 for Figure 3 A is an enlarged schematic diagram of the local structure.

[0018] In the figure: 1. scraper conveyor; 101. support leg; 102. bottom plate; 2. heat exchange copper tube; 201. heat dissipation fin; 202. cooling copper tube; 203. first water collecting pipe; 204. second water collecting pipe; 3. mounting frame; 301. fixing hole; 302. support plate; 303. heat dissipation fan blade; 4. avoidance port; 5. baffle; 501. push plate; 502. limit rod. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0020] 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.

[0021] Please refer to the attached Figure 1 -Attached Figure 4 A gypsum powder cooling and conveying device comprises a scraper conveyor 1, a plurality of supporting legs 101 are fixed to the bottom surface of the scraper conveyor 1, a bottom plate 102 is arranged below the scraper conveyor 1, a plurality of supporting legs 101 are respectively fixed to four outer walls of the bottom plate 102, a cooling mechanism is arranged between the bottom plate 102 and the bottom surface of the scraper conveyor 1, the cooling mechanism comprises a plurality of heat exchange copper tubes 2 fixed to the top surface inside the scraper conveyor 1, a heat dissipation fin 201 is fixed to the bottom surface of the scraper conveyor 1, a plurality of cooling copper tubes 202 are inserted inside the heat dissipation fin 201, one end of the cooling copper tube 202 close to the feed port of the scraper conveyor 1 passes through the bottom surface of the scraper conveyor 1 and is connected and fixed to one end of the heat exchange copper tube 2 close to the feed port of the scraper conveyor 1.

[0022] In the embodiment, a first water collecting pipe 203 is arranged below the scraper conveyor 1, one end of the heat exchange copper tube 2 close to the discharge port of the scraper conveyor 1 passes through the inner bottom surface of the scraper conveyor 1 and is connected and fixed to the top surface of the first water collecting pipe 203, a second water collecting pipe 204 is arranged on the side of the heat dissipation fin 201 close to the discharge port of the scraper conveyor 1, one end of the cooling copper tube 202 close to the discharge port of the scraper conveyor 1 is connected and fixed to one side of the second water collecting pipe 204, a water pump is fixed to the top surface of the bottom plate 102, and the water pump The outlet pipe and the pumping pipe are connected and fixed at one end of the first water collecting pipe 203 and the second water collecting pipe 204 respectively, and the cooling liquid is transported between the heat exchange copper tube 2 and the cooling copper tube 202 through the circulation of the water pump, so that the conveying direction of the coolant is transported from the discharge port of the scraper conveyor 1 to the feed port, so that the newly cooled coolant is firstly exchanged with the gypsum powder that is about to be cooled, and the newly cooled coolant is prevented from exchanging heat with the hotter gypsum powder first, causing the coolant temperature to rise too high, resulting in poor heat exchange effect on the subsequent gypsum powder.

[0023] In the embodiment, a mounting frame 3 is fixed to the bottom surface of the heat dissipation fin 201, a plurality of fixing holes 301 are opened on the top surface of the mounting frame 3, a support plate 302 is fixed inside the fixing hole 301, a heat dissipation fan blade 303 is rotatably connected to the top surface of the support plate 302, a gear is fixed to the bottom end of the heat dissipation fan blade 303, and the gears of the plurality of heat dissipation fan blades 303 are meshed and driven by a toothed belt, a driving motor is fixed to the top surface of the bottom plate 102, a reducer is installed at the front end of the driving motor, and the output shaft of the reducer is connected to the nearest scraper The bottom surface of the gear of the heat dissipation fan blade 303 at the feeding port of the scraper conveyor 1 is fixed, and multiple groups of heat exchange copper tubes 2 are arranged on the inner bottom surface of the scraper conveyor 1. When the gypsum powder is scraped on the inner bottom surface of the scraper conveyor 1, the gypsum powder will completely fit with the outer wall surface of the multiple groups of heat exchange copper tubes 2, thereby completing heat exchange with the heat exchange copper tubes 2 and the coolant inside the heat exchange copper tubes 2 to achieve cooling of the gypsum powder. The cooling time is long, the cooling effect is better, and the gypsum powder will not fly during cooling, thereby ensuring the normal transportation of the gypsum powder.

[0024] In the embodiment, a plurality of avoidance openings 4 are provided on the scraping side of the scraper of the scraper conveyor 1, and the avoidance openings 4 cooperate with the heat exchange copper tube 2. Through the setting and use of the avoidance openings 4, the scraper of the scraper conveyor 1 can better fit with the heat exchange copper tube 2 and the inner bottom surface of the scraper conveyor 1, thereby reducing the gap and ensuring the conveying amount of gypsum powder.

[0025] In the embodiment, a baffle 5 is fixed inside the scraper conveyor 1, and an electric push rod is fixed on one side of the scraper conveyor 1 close to the feed port. One end of the telescopic rod of the electric push rod passes through and extends into the interior of the scraper conveyor 1, and a push plate 501 is fixed at one end of the telescopic rod of the electric push rod. The push plate 501 can be pushed by the electric push rod, so that the gypsum powder accumulated at the feed port of the scraper conveyor 1 is pushed to the scraper of the scraper conveyor 1, so as to facilitate better transportation of the gypsum powder.

[0026] In the embodiment, two limit rods 502 are inserted on the side of the scraper conveyor 1 close to the feed port, and one end of the limit rod 502 is fixed to one side of the push plate 501. Through the setting and use of the limit rod 502, the movement of the push plate 501 can be limited, making the movement of the push plate 501 more stable.

[0027] Working principle: When in use, high-temperature gypsum powder is poured into the feed port of the scraper conveyor 1, and then the electric push rod is started to push the push plate 501, and the push plate 501 pushes the gypsum powder to approach the scraper of the scraper conveyor 1. At this time, the scraper conveyor 1 is started to move the scraper. At this time, each scraper scrapes a certain amount of gypsum powder, and then the scraper drives the gypsum powder to move on the inner bottom surface of the scraper conveyor 1. At this time, the avoidance port 4 cooperates with the heat exchange copper tube 2. At this time, the gypsum powder exchanges heat with the heat exchange copper tube 2 and the coolant inside it. By starting the water pump, the coolant is continuously exchanged in the heat exchange. The copper tube 2, the cooling copper tube 202, the second water collecting pipe 204 and the first water collecting pipe 203 circulate internally, and the conveying direction of the coolant is conveyed from the discharge port of the scraper conveyor 1 to the feed port. When the temperature of the coolant rises after heat exchange with the gypsum powder, it is conveyed to the inside of the cooling copper tube 202, and the reducer is driven to rotate by starting the driving motor, and the reducer drives the heat dissipation fan blades 303 to rotate, and air is drawn from the heat dissipation fins 201 to the outside, thereby cooling the cooling copper tube 202 and the coolant inside it, and then the cooled gypsum powder is discharged from the discharge port of the scraper conveyor 1, and the cooling and conveying are completed.

[0028] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A gypsum powder cooling and conveying device, comprising a scraper conveyor (1), characterized in that: A plurality of support legs (101) are fixed to the bottom surface of the scraper conveyor (1), a bottom plate (102) is arranged below the scraper conveyor (1), the plurality of support legs (101) are respectively fixed to four outer walls of the bottom plate (102), a cooling mechanism is arranged between the bottom plate (102) and the bottom surface of the scraper conveyor (1), the cooling mechanism comprises a plurality of heat exchange copper tubes (2) fixed to the top surface of the inside of the scraper conveyor (1), a heat sink fin (201) is fixed to the bottom surface of the scraper conveyor (1), a plurality of cooling copper tubes (202) are inserted inside the heat sink fin (201), and one end of the cooling copper tube (202) close to the feed port of the scraper conveyor (1) passes through the bottom surface of the scraper conveyor (1) and is connected and fixed to one end of the heat exchange copper tube (2) close to the feed port of the scraper conveyor (1).

2. A gypsum powder cooling and conveying device according to claim 1, characterized in that: A first water collecting pipe (203) is arranged below the scraper conveyor (1); one end of the heat exchange copper pipe (2) close to the scraper conveyor (1) discharge port passes through the inner bottom surface of the scraper conveyor (1) and is connected to and fixed on the top surface of the first water collecting pipe (203); a second water collecting pipe (204) is arranged on the side of the heat dissipation fin (201) close to the scraper conveyor (1) discharge port; one end of the cooling copper pipe (202) close to the scraper conveyor (1) discharge port is connected to and fixed on one side of the second water collecting pipe (204); a water pump is fixed on the top surface of the bottom plate (102); and the water outlet pipe and the water pump pipe of the water pump are connected to and fixed at one end of the first water collecting pipe (203) and the second water collecting pipe (204), respectively.

3. A gypsum powder cooling and conveying device according to claim 2, characterized in that: A mounting frame (3) is fixed to the bottom surface of the heat dissipation fin (201), a plurality of fixing holes (301) are formed on the top surface of the mounting frame (3), a support plate (302) is fixed inside the fixing hole (301), a heat dissipation blade (303) is rotatably connected to the top surface of the support plate (302), a gear is fixed to the bottom end of the heat dissipation blade (303), the gears of the plurality of heat dissipation blades (303) are meshed and driven by a toothed belt, a driving motor is fixed to the top surface of the bottom plate (102), a reducer is installed at the front end of the driving motor, and the output shaft of the reducer is fixed to the bottom surface of the gear of the heat dissipation blade (303) closest to the feed port of the scraper conveyor (1).

4. A gypsum powder cooling and conveying device according to claim 3, characterized in that: The scraping side of the scraper of the scraper conveyor (1) is provided with a plurality of avoidance openings (4), and the avoidance openings (4) are matched with the heat exchange copper tube (2).

5. A gypsum powder cooling and conveying device according to claim 4, characterized in that: A baffle (5) is fixed inside the scraper conveyor (1), and an electric push rod is fixed on one side of the scraper conveyor (1) close to the feed port. One end of the telescopic rod of the electric push rod passes through and extends into the interior of the scraper conveyor (1), and a push plate (501) is fixed on one end of the telescopic rod of the electric push rod.

6. A gypsum powder cooling and conveying device according to claim 5, characterized in that: Two limiting rods (502) are inserted on one side of the scraper conveyor (1) close to the feed port, and one end of the limiting rod (502) is fixed to one side of the push plate (501).

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