Device for feeding desulfurized gypsum as retarder

Abstract

The utility model relates to the technical field of cement production, in particular to a feeding device using desulfurized gypsum as a retarder. According to the technical scheme, the feeding device comprises a feeding box body, a processing box and a machine box, a fixing rod is welded to the lower surface of the feeding box body, the processing box is fixed to the lower surface of the fixing rod, the lower surface of the feeding box body communicates with a feeding pipe, the feeding pipe communicates with the processing box, and the outer surface of the feeding pipe is in threaded connection with a feeding valve; the outer end face of one side of the feeding box body communicates with a liquid inlet pipe, the outer surface of the liquid inlet pipe is in threaded connection with a liquid inlet valve, an outer rod is fixed to the upper surface of the feeding box body, an inner rod is movably connected to the lower surface of the outer rod in an inserted mode, a pressing plate is fixed to the lower surface of the inner rod, and a smashing cutter is installed on the lower surface of the pressing plate. A filter plate is fixedly embedded in the inner wall of the feeding box body, and a machine box is fixed to the outer end face of one side of the feeding box body. The flue gas desulfurization gypsum feeding device can prevent flue gas desulfurization gypsum from being solidified to cause unsmooth feeding.

Description

Technical Field

[0001] The utility model relates to the technical field of cement production, in particular to a feeding device for desulfurized gypsum as a retarder. Background Art

[0002] Desulfurized gypsum is also called flue gas desulfurized gypsum, sulfur gypsum or FGD gypsum. Its main component is the same as natural gypsum, which is calcium sulfate dihydrate CaSO4·2H2O, with a content of ≥93%. Desulfurized gypsum is a by-product of the FGD process, which is a technology that uses lime-limestone to recover sulfur dioxide from flue gas from coal or oil combustion. This technology grinds lime-limestone into slurry, and removes SO2 from the flue gas containing SO2 after dust removal through a slurry scrubber. Cement production requires the use of a feeding device to feed desulfurized gypsum.

[0003] The prior art discloses a desulfurized gypsum feeding device for clinker production of CN215162196U, comprising a feeding box, a crushing wheel and a bottom plate, a symmetrically distributed first mounting plate is welded on one side of the upper end surface of the bottom plate, a driving wheel is rotatably mounted between the first mounting plates, a symmetrically distributed second mounting plate is welded on one side of the end surface of the bottom plate, a driven wheel is rotatably mounted between the second mounting plates, a conveyor belt is installed between the driving wheel and the driven wheel, the feeding box is installed on one side of the upper end surface of the bottom plate, an array of supporting legs are arranged at the lower end of the feeding box and connected to the bottom plate, a feeding port is provided at the upper end of the feeding box, a feeding hopper is installed at the feeding port, two crushing wheels are rotatably mounted in the feeding box, the two crushing wheels are symmetrically distributed, and a first material guide rectangular tube is installed on the upper inner wall of the feeding box. The utility model has the advantages of being able to crush the desulfurized gypsum and prevent the agglomerated gypsum powder from entering the raw material and reducing the product quality.

[0004] Today's desulfurization gypsum tends to solidify when stored, making it impossible to deliver it smoothly. It may also cause blockage in the delivery pipe, increase the delivery time, and reduce the delivery efficiency. Utility Model Content

[0005] The utility model aims to provide a feeding device for using desulfurized gypsum as a retarder to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a feeding device for desulfurized gypsum as a retarder, comprising a feeding box body, a processing box and a machine box, a fixing rod is welded to the lower surface of the feeding box body, and the processing box is fixed to the lower surface of the fixing rod, an outer rod is fixed to the upper surface of the feeding box body, and a filter plate is embedded and fixed to the inner wall of the feeding box body, and a machine box is fixed to the outer end surface of one side of the feeding box body.

[0007] When using a desulfurized gypsum as a retarder feeding device in the technical solution, hold the handle, drive the handle to open the fixed door, put the desulfurized gypsum on the upper surface of the filter plate, and the outer rod drives the inner rod to descend under the action of the power device, and the inner rod drives the pressure plate to descend, and the pressure plate drives the crushing knife to descend, and the crushing knife rises and falls continuously, and the crushing knife can crush the desulfurized gypsum, and the desulfurized gypsum passes through the filter plate into the bottom end of the feeding box body, open the liquid inlet valve, and send the mixed liquid into the feeding box body through the liquid inlet pipe, and the chassis drives the rotating rod to rotate under the action of the power device, and the rotating rod drives the stirring rod to rotate, and the stirring rod can mix the desulfurized gypsum and the mixed liquid, and turn the desulfurized gypsum into a slurry, which can prevent the desulfurized gypsum from solidifying and causing the feeding to fail smoothly.

[0008] Preferably, a sealed door is hingedly connected to one side of the outer end surface of the processing box, and a handle is welded to one side of the outer end surface of the sealed door, a workbench is fixed to the lower surface of the processing box, and a supporting leg is welded to the lower surface of the workbench. By arranging a handle on one side of the sealed door, it is convenient to hold the handle to open or close the sealed door.

[0009] Preferably, a fixed door is hingedly connected to one side of the outer end surface of the feeding box body, and a handle is welded to one side of the outer end surface of the fixed door. By arranging a handle on one side of the fixed door, it is convenient to hold the handle to open or close the fixed door.

[0010] Preferably, one side outer end surface of the feeding box body is connected with a liquid inlet pipe, and the outer surface of the liquid inlet pipe is threadedly connected with a liquid inlet valve. By arranging the liquid inlet pipe on one side of the feeding box body, it is convenient to feed the liquid into the feeding box body through the liquid inlet pipe.

[0011] Preferably, the lower surface of the feeding box body is connected with a feed pipe, and the feed pipe is connected with the processing box, and the outer surface of the feed pipe is threadedly connected with a feed valve. By arranging the feed pipe on the lower surface of the feeding box body, it is convenient to feed the desulfurized gypsum into the processing box.

[0012] Preferably, the lower surface of the outer rod is movably connected with the inner rod, and the lower surface of the inner rod is fixed with a pressing plate, and the lower surface of the pressing plate is equipped with a crushing knife. By arranging the inner rod on the lower surface of the outer rod, it is convenient to drive the pressing plate to rise or fall.

[0013] Preferably, a rotating rod is rotatably connected to an outer end surface of one side of the chassis, and a stirring rod is fixed to an outer end surface of one side of the rotating rod. By arranging the rotating rod and the stirring rod on one side of the chassis, it is convenient to drive the liquid to stir.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The utility model achieves the effect of preventing the desulfurized gypsum from solidifying and causing the failure of feeding smoothly by arranging an outer rod, a crushing knife and a stirring rod. The hand holds the handle, drives the handle to open the fixed door, and puts the desulfurized gypsum on the upper surface of the filter plate. The outer rod drives the inner rod to descend under the action of the power device, and the inner rod drives the pressure plate to descend, and the pressure plate drives the crushing knife to descend. The crushing knife rises and falls continuously, and the crushing knife can crush the desulfurized gypsum. The desulfurized gypsum enters the bottom end of the feeding box body through the filter plate. The liquid inlet valve is opened, and the mixed liquid is sent into the feeding box body through the liquid inlet pipe. The chassis drives the rotating rod to rotate under the action of the power device, and the rotating rod drives the stirring rod to rotate. The stirring rod can mix the desulfurized gypsum and the mixed liquid, and turn the desulfurized gypsum into a slurry, which can prevent the desulfurized gypsum from solidifying and causing the failure of feeding smoothly.

[0016] 2. The utility model achieves the effect of facilitating feeding by arranging a processing box, a workbench and a feed pipe. The feed valve is opened, and the desulfurized gypsum enters the processing box through the feed pipe. The processing box can process the desulfurized gypsum. The handle is held and the hand drives the handle to open the sealed door to take out the processed materials. The workbench and the supporting legs can support the processing box. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the main cross-sectional structure of the feeding box body of the utility model;

[0019] Figure 3 It is an enlarged structural schematic diagram of the outer rod of the utility model;

[0020] Figure 4 It is an enlarged structural schematic diagram of the chassis of the utility model.

[0021] In the figure: 1. Feed box body; 2. Processing box; 3. Handle; 4. Sealed door; 5. Workbench; 6. Support legs; 7. Fixed door; 8. Handle; 9. Chassis; 10. Outer rod; 11. Liquid inlet valve; 12. Liquid inlet pipe; 13. Filter plate; 14. Stirring rod; 15. Fixed rod; 16. Feed valve; 17. Feed pipe; 18. Inner rod; 19. Press plate; 20. Crushing knife; 21. Rotating rod. DETAILED DESCRIPTION

[0022] 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.

[0023] Embodiment 1

[0024] See also Figures 1 to 4 The utility model provides an embodiment: a feeding device for feeding desulfurized gypsum as a retarder, comprising a feeding box body 1, a processing box 2 and a chassis 9, an outer rod 10 is fixed to the upper surface of the feeding box body 1, an inner rod 18 is movably inserted on the lower surface of the outer rod 10, and a pressing plate 19 is fixed to the lower surface of the inner rod 18, a crushing knife 20 is installed on the lower surface of the pressing plate 19, a filter plate 13 is embedded and fixed to the inner wall of the feeding box body 1, a chassis 9 is fixed to one side outer end surface of the feeding box body 1, a rotating rod 21 is rotatably connected to one side outer end surface of the chassis 9, and a stirring rod 14 is fixed to one side outer end surface of the rotating rod 21.

[0025] Of course, as is well known to those skilled in the art, the processing box 2, the chassis 9 and the outer rod 10 of the utility model also need to provide a power device to enable them to work normally, and as is well known to those skilled in the art, the provision of the power is commonplace, and they all belong to conventional means or common knowledge, and will not be elaborated here. Those skilled in the art can make any optional selections according to their needs or convenience.

[0026] A desulfurized gypsum as retarder feeding device based on Example 1, holding a handle 8, the hand drives the handle 8 to open the fixed door 7, and the desulfurized gypsum is placed on the upper surface of the filter plate 13, the outer rod 10 drives the inner rod 18 to descend under the action of the power device, the inner rod 18 drives the pressure plate 19 to descend, the pressure plate 19 drives the crushing knife 20 to descend, the crushing knife 20 rises and falls continuously, the crushing knife 20 can crush the desulfurized gypsum, the desulfurized gypsum passes through the filter plate 13 and enters the bottom end of the feeding box body 1, the liquid inlet valve 11 is opened, and the mixed liquid is fed into the feeding box body 1 through the liquid inlet pipe 12, the chassis 9 drives the rotating rod 21 to rotate under the action of the power device, the rotating rod 21 drives the stirring rod 14 to rotate, the stirring rod 14 can mix the desulfurized gypsum and the mixed liquid, and turn the desulfurized gypsum into a slurry, which can prevent the desulfurized gypsum from solidifying and causing the feeding to fail smoothly.

[0027] Embodiment 2

[0028] like Figure 1-Figure 4As shown, the utility model proposes a desulfurized gypsum as retarder feeding device. Compared with the first embodiment, the present embodiment also includes a feeding box body 1, a processing box 2 and a chassis 9. The outer end surface of one side of the feeding box body 1 is hingedly connected with a fixed door 7, and the outer end surface of one side of the fixed door 7 is welded with a handle 8, the lower surface of the feeding box body 1 is welded with a fixing rod 15, and the lower surface of the fixing rod 15 is fixed with the processing box 2, the lower surface of the feeding box body 1 is connected with a feeding pipe 17, and the feeding pipe 17 is connected with the processing box 2, and the outer surface of the feeding pipe 17 is threadedly connected with a feeding valve 16, the outer end surface of one side of the processing box 2 is hingedly connected with a sealing door 4, and the outer end surface of one side of the sealing door 4 is welded with a handle 3, the lower surface of the processing box 2 is fixed with a workbench 5, and the lower surface of the workbench 5 is welded with a supporting leg 6, the outer end surface of one side of the feeding box body 1 is connected with a liquid inlet pipe 12, and the outer surface of the liquid inlet pipe 12 is threadedly connected with a liquid inlet valve 11.

[0029] In this embodiment, the feed valve 16 is opened, and the desulfurized gypsum enters the processing box 2 through the feed pipe 17. The processing box 2 can process the desulfurized gypsum. The handle 3 is held by hand, and the sealed door 4 is opened by the handle 3 to take out the processed materials. The workbench 5 and the supporting legs 6 can support the processing box 2.

[0030] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A feeding device for using desulfurized gypsum as a retarder, comprising a feeding box body (1), a processing box (2) and a machine box (9), characterized in that: A fixing rod (15) is welded to the lower surface of the feeding box body (1), and a processing box (2) is fixed to the lower surface of the fixing rod (15); an outer rod (10) is fixed to the upper surface of the feeding box body (1), an inner rod (18) is movably inserted into the lower surface of the outer rod (10), and a pressure plate (19) is fixed to the lower surface of the inner rod (18), and a crushing knife (20) is installed on the lower surface of the pressure plate (19); a filter plate (13) is embedded and fixed to the inner wall of the feeding box body (1); a machine box (9) is fixed to the outer end surface of one side of the feeding box body (1), a rotating rod (21) is rotatably connected to the outer end surface of one side of the machine box (9), and a stirring rod (14) is fixed to the outer end surface of one side of the rotating rod (21).

2. A feeding device for using desulfurized gypsum as a retarder according to claim 1, characterized in that: A sealing door (4) is hingedly connected to an outer end surface of one side of the processing box (2), and a handle (3) is welded to an outer end surface of one side of the sealing door (4); a workbench (5) is fixed to the lower surface of the processing box (2), and a supporting leg (6) is welded to the lower surface of the workbench (5).

3. A feeding device for using desulfurized gypsum as a retarder according to claim 1, characterized in that: One side outer end surface of the feeding box body (1) is hingedly connected to a fixed door (7), and one side outer end surface of the fixed door (7) is welded with a handle (8).

4. A feeding device for using desulfurized gypsum as a retarder according to claim 1, characterized in that: One side outer end surface of the feeding box body (1) is connected to a liquid inlet pipe (12), and the outer surface of the liquid inlet pipe (12) is threadedly connected to a liquid inlet valve (11).

5. The feeding device for using desulfurized gypsum as a retarder according to claim 1, characterized in that: The lower surface of the feeding box body (1) is connected to a feeding pipe (17), and the feeding pipe (17) is connected to the processing box (2). The outer surface of the feeding pipe (17) is threadedly connected to a feeding valve (16).

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