Detection device for determining potassium oxide in slag

Abstract

The detection device comprises a supporting frame, a group of side baffles are fixed on the outer wall of the top of the supporting frame, guide rails are fixed on the outer walls of the side baffles, the inner walls of the guide rails are connected with an upper crucible and a lower crucible in a sliding mode, and a second sealing cover is arranged on the outer wall of the top of the lower crucible. A second alundum tube is fixed to the inner wall of the second sealing cover, a connecting box is inserted into the outer wall of the top of the second alundum tube, and a first alundum tube is fixed to the outer wall of the bottom of the upper crucible and inserted into the outer wall of the top of the connecting box. According to the utility model, slag is prevented from entering the lower crucible through the first alundum tube and the second alundum tube, the accuracy of the analysis and detection result of the potassium oxide content is improved, and meanwhile, the slag is prevented from entering the first alundum tube and the second alundum tube to cause the problem that the interiors of the first alundum tube and the second alundum tube are blocked; and the potassium oxide detection device can stably complete the detection work.

Description

TECHNICAL FIELD

[0001] The utility model relates to a furnace slag detection technical field especially relates to a detection device for determining potassium oxide in furnace slag. BACKGROUND

[0002] In the process of using the boiler, many of the original fuel contain a certain amount of alkali metal (K 2 O) is generally the salt of potassium and sodium, when the original fuel into the furnace, the alkali metal contained in the boiler, due to the cyclic enrichment effect of alkali metal in the production process, the content of potassium and sodium in the boiler is higher and higher, the alkali metal has adverse effects on the performance of sintered pellets and coke used in the boiler, such as reducing the strength of coke, improving the swelling property of pellets, and possibly forming a tumor on the boiler wall, affecting the stable operation of the boiler.

[0003] Therefore, the boiler needs appropriate slag basicity to remove alkali, reduce the enrichment degree in the boiler, so the boiler slag alkali removal capacity detection and evaluation method becomes a very important means.

[0004] Through the search, the patent with the Chinese patent application number CN201710767824.5 discloses a blast furnace slag alkali removal capacity detection and evaluation method, which comprises alkali removal slag sample preparation, slag and potassium carbonate reaction, and slag alkali removal capacity evaluation. After the reaction of slag and potassium carbonate, the content of alkali metal potassium oxide in the slag is the maximum dissolution amount of alkali metal in the slag, but the above technical scheme uses the middle crucible which is directly connected with the lower crucible through the corundum tube, so that the detected slag in the middle crucible is easy to fall into the lower crucible through the corundum tube, and the slag is also easy to block the corundum tube, resulting in the problem that the detection test cannot be completed normally. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the shortcomings in the prior art, and provides a detection device for determining potassium oxide in furnace slag.

[0006] In order to achieve the above object, the utility model adopts the following technical scheme:

[0007] A detection device for determining potassium oxide in furnace slag, comprising a support frame, a group of side baffles are fixed on the top outer wall of the support frame, a guide rail is fixed on the outer wall of the side baffle, an upper crucible and a lower crucible are slidably connected on the inner wall of the guide rail, a second sealing cover is arranged on the top outer wall of the lower crucible, a second corundum tube is fixed on the inner wall of the second sealing cover, a connecting box is inserted on the top outer wall of the second corundum tube, a first corundum tube is fixed on the bottom outer wall of the upper crucible and inserted on the top outer wall of the connecting box, a sealing plate is slidably connected on the inner wall of the connecting box, and a high-temperature-resistant filter screen is fixed on the inner wall of the sealing plate.

[0008] As a further scheme of the utility model: the first sealing cover is inserted on the outer wall of the top of the upper crucible, and the outer walls of the upper crucible and the lower crucible are respectively fixed with fixed sheets.

[0009] As a further scheme of the utility model: the outer wall of the upper crucible is fixed with a positioning plate, and the positioning plate is fixed on the inner wall of the guide rail through screws.

[0010] As a further scheme of the utility model: the outer wall of the top of the side baffle is fixed with a top cover plate through screws, and the outer wall of the supporting frame is provided with a buffer pad.

[0011] As a further scheme of the utility model: the outer wall of the bottom of the second sealing cover is fixed with an air guide pipe.

[0012] As a further scheme of the utility model: the outer wall of the sealing plate is fixed with a pull block.

[0013] As a further scheme of the utility model: the outer wall of the connecting box is fixed with a guide frame, and the inner wall of the guide frame is slidably connected with the sealing plate.

[0014] As a further scheme of the utility model: the outer wall of the second sealing cover is fixed with a group of push-pull frames, and the inner wall of the push-pull frame is inserted with a group of push-pull rods.

[0015] The utility model discloses the beneficial effects are:

[0016] The high-temperature-resistant filter screen can effectively support the slag placed in the upper crucible, avoid the slag entering the lower crucible through the first corundum pipe and the second corundum pipe, and improve the accuracy of the analysis and detection result of the potassium oxide content.

[0017] The staff can pull out the sealing plate from the connecting box as a whole through the pull block, so that the high-temperature-resistant filter screen on the sealing plate can be replaced and cleaned conveniently.

[0018] The staff can pull up the second sealing cover from the top of the lower crucible as a whole through the push-pull rod, so that the staff can conveniently take out the second sealing cover and the lower crucible from the top of the supporting frame, and the staff can conveniently disassemble and assemble the detection device. DRAWINGS

[0019] Figure 1A kind of detection device for determining potassium oxide in furnace slag is provided in the utility model, and the main view structural schematic diagram of the detection device is shown in the figure.

[0020] Figure 2 A kind of detection device for determining potassium oxide in furnace slag is provided in the utility model, and the lower crucible structural schematic diagram of the detection device is shown in the figure.

[0021] Figure 3 A kind of detection device for determining potassium oxide in furnace slag is provided in the utility model, and the second sealing cover structural schematic diagram of the detection device is shown in the figure.

[0022] Figure 4 A kind of detection device for determining potassium oxide in furnace slag is provided in the utility model, and the connecting box structural schematic diagram of the detection device is shown in the figure.

[0023] In the figure: 1-support frame, 2-lower crucible, 3-pull frame, 4-positioning plate, 5-guide rail, 6-top cover plate, 7-first sealing cover, 8-side baffle, 9-upper crucible, 10-first corundum tube, 11-second corundum tube, 12-second sealing cover, 13-pull rod, 14-cushion pad, 15-sealing plate, 16-guide frame, 17-fixing piece, 18-pull block, 19-connecting box, 20-air duct, 21-high-temperature-resistant filter screen. DETAILED DESCRIPTION

[0024] The technical solutions of the present patent are further described in detail below in conjunction with specific embodiments.

[0025] The embodiments of the present patent are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the accompanying drawings are exemplary and are only used to explain the present patent, and cannot be understood as limiting the present patent. Embodiment 1

[0026] A kind of detection device for determining potassium oxide in furnace slag, as shown in Figures 1-4 shown, including support frame 1, a group of side baffle 8 is fixed on the top outer wall of the support frame 1, guide rail 5 is fixed on the outer wall of side baffle 8, upper crucible 9 and lower crucible 2 are slidably connected on the inner wall of guide rail 5, second sealing cover 12 is arranged on the top outer wall of lower crucible 2, second corundum tube 11 is fixed on the inner wall of second sealing cover 12, connecting box 19 is inserted on the top outer wall of second corundum tube 11, first corundum tube 10 is fixed on the bottom outer wall of upper crucible 9, and first corundum tube 10 is inserted on the top outer wall of connecting box 19, sealing plate 15 is slidably connected on the inner wall of connecting box 19, and high-temperature-resistant filter screen 21 is fixed on the inner wall of sealing plate 15;First sealing cover 7 is inserted on the top outer wall of upper crucible 9, and fixing piece 17 is fixed on the outer wall of upper crucible 9 and lower crucible 2.

[0027] The worker first inserts the lower crucible 2 between the side baffle plates 8 and pushes it down to the top of the support frame 1, then pours the potassium carbonate reagent for detecting the potassium oxide content in the slag into the lower crucible 2, then covers the second sealing cover 12 on the top of the lower crucible 2, then inserts the connecting box 19 on the second corundum pipe 11 on the top of the second sealing cover 12, then inserts the upper crucible 9 on the top of the connecting box 19, then uniformly puts the slag to be detected mixed with the corresponding chemical reagent into the upper crucible 9, then covers the first sealing cover 7 on the upper crucible 9, and then puts the support frame 1 into the heating device for heating. The potassium carbonate reagent in the lower crucible 2 generates potassium vapor after heating, which passes through the high-temperature resistant filter screen 21 into the upper crucible 9 and reacts with the slag in the upper crucible 9. Then the support frame 1 is taken out of the heating device, and the potassium oxide content in the slag is determined after the slag sample is cooled to analyze the ability of the slag to absorb alkali metals.

[0028] The high-temperature resistant filter screen 21 can effectively support the slag placed in the upper crucible 9, prevent the slag from entering the lower crucible 2 through the first corundum pipe 10 and the second corundum pipe 11, and allow the potassium vapor generated by the potassium carbonate in the lower crucible 2 after heating to uniformly enter the upper crucible 9 through the high-temperature resistant filter screen 21, thereby improving the accuracy of the analysis and detection results of the potassium oxide content and preventing the slag from entering the first corundum pipe 10 and the second corundum pipe 11, which can cause blockage of the first corundum pipe 10 and the second corundum pipe 11. The potassium oxide detection device can stably complete the detection work.

[0029] As shown in Figure 1 , the outer wall of the upper crucible 9 is fixed with a positioning plate 4, and the positioning plate 4 is fixed on the inner wall of the guide rail 5 by screws; after the worker inserts the upper crucible 9 on the top of the connecting box 19, the positioning plate 4 can be fixed on one side of the guide rail 5 by screws, so as to position the position of the upper crucible 9.

[0030] As shown in Figure 1 , the outer wall of the top cover plate 6 is fixed on the top of the side baffle plate 8 by screws, and the outer wall of the support frame 1 is provided with a buffer pad 14; the buffer pad 14 can buffer the contact surface between the lower crucible 2 and the support frame 1, and the top cover plate 6 can limit the top of the side baffle plate 8.

[0031] As shown in Figure 3 , the outer wall of the second sealing cover 12 is fixed with an air guide pipe 20; the air guide pipe 20 can guide the potassium vapor generated in the lower crucible 2, so that the potassium vapor can stably enter the upper crucible 9 through the second corundum pipe 11.

[0032] As shown in Figures 2-4As shown in the figure, the outer wall of the sealing plate 15 is fixed with a pull block 18; the staff can pull the sealing plate 15 out of the inside of the connecting box 19 through the pull block 18, so as to conveniently replace and clean the high-temperature-resistant filter screen 21 on the sealing plate 15.

[0033] As shown in the figure, the outer wall of the connecting box 19 is fixed with a guide frame 16, and the sealing plate 15 is slidingly connected to the inner wall of the guide frame 16; the guide frame 16 can support and guide the sealing plate 15 removed from the inside of the connecting box 19. Figures 3-4

[0034] Working principle: the staff first inserts the lower crucible 2 between the side baffles 8 and pushes it down to the top of the support frame 1, then pours the potassium carbonate reagent for detecting the potassium oxide content in the slag into the lower crucible 2, then covers the lower crucible 2 with the second sealing cover 12, then inserts the connecting box 19 on the second corundum tube 11 on the top of the second sealing cover 12, then inserts the upper crucible 9 on the top of the connecting box 19, then mixes the slag to be detected with the corresponding chemical reagent into slag, and then uniformly puts it into the inside of the upper crucible 9, then covers the upper crucible 9 with the first sealing cover 7, and then puts the support frame 1 into the heating device for heating; the potassium carbonate reagent in the lower crucible 2 generates potassium vapor after being heated, the potassium vapor passes through the high-temperature-resistant filter screen 21 into the inside of the upper crucible 9, and reacts with the slag in the inside of the upper crucible 9, then the support frame 1 is taken out of the heating device, and the slag sample is cooled, and the potassium oxide content in the slag at this time is determined to analyze the ability of the slag to absorb alkali metals. Embodiment 2

[0035] A detection device for detecting the potassium oxide in the slag, as shown in the figure, the outer wall of the connecting box 19 is fixed with a guide frame 16, and the sealing plate 15 is slidingly connected to the inner wall of the guide frame 16; the guide frame 16 can support and guide the sealing plate 15 removed from the inside of the connecting box 19. Figures 1-4

[0036] Working principle: the staff can pull the second sealing cover 12 out of the top of the lower crucible 2 through the push-pull rod 13, so that the staff can conveniently take the second sealing cover 12 and the lower crucible 2 out of the top of the support frame 1.

[0037] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.​​

Claims

1. A detection device for determining potassium oxide in a slag, comprising a support frame (1), characterised in that, The support frame (1) top outer wall is fixed with a group of side baffle (8), side baffle (8) outer wall is fixed with guide rail (5), guide rail (5) inner wall is slidably connected with upper crucible (9) and lower crucible (2), lower crucible (2) top outer wall is provided with second sealing cover (12), second sealing cover (12) inner wall is fixed with second corundum tube (11), second corundum tube (11) top outer wall is inserted with connecting box (19), upper crucible (9) bottom outer wall is fixed with first corundum tube (10), first corundum tube (10) is inserted on the top outer wall of connecting box (19), connecting box (19) inner wall is slidably connected with sealing plate (15), sealing plate (15) inner wall is fixed with high temperature resistant filter screen (21).

2. A detection device for determining potassium oxide in a slag according to claim 1, characterized in that The upper crucible (9) top outer wall is inserted with first sealing cover (7), and the outer walls of the upper crucible (9) and the lower crucible (2) are respectively fixed with fixed sheets (17).

3. A detection device for determining potassium oxide in a slag according to claim 2, characterized in that The outer wall of the upper crucible (9) is fixed with a positioning plate (4), and the positioning plate (4) is fixed on the inner wall of the guide rail (5) through screws.

4. The detection device for measuring potassium oxide in a slag according to claim 1, characterized by The top outer wall of the side baffle (8) is fixed with a top cover plate (6) through screws, and the outer wall of the support frame (1) is provided with a buffer pad (14).

5. The detection device for measuring potassium oxide in a slag according to claim 1, characterized by The bottom outer wall of the second sealing cover (12) is fixed with a gas guide pipe (20).

6. The detection device for measuring potassium oxide in a slag according to claim 1, characterized by The outer wall of the sealing plate (15) is fixed with a pull block (18).

7. The detection device for measuring potassium oxide in a slag according to claim 1, characterized by The outer wall of the connecting box (19) is fixed with a guide frame (16), and the sealing plate (15) is slidably connected to the inner wall of the guide frame (16).

8. The detection device for measuring potassium oxide in a slag according to claim 5, characterized by The outer wall of the second sealing cover (12) is fixed with a group of push-pull frames (3), and the inner wall of the push-pull frame (3) is inserted with a group of push-pull rods (13).

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