Steam filtering equipment for producing formaldehyde

Abstract

The utility model discloses steam filtering equipment for producing formaldehyde, which comprises a working table, a filtering box is arranged on one side in the working table, the interior of the filtering box is hollow, and a movable component is arranged in the filtering box; the movable assembly comprises a supporting frame, an electric telescopic rod, a movable box, an L-shaped supporting plate, a screen frame, a screen and a positioning piece, and the movable box is movably arranged in the filtering box. A movable box is pushed out from the interior of a filter box through an electric telescopic rod, then a worker screws a positioning screw rod in a positioning nut upwards, in the process, the positioning screw rod can drive a rubber pad below the positioning screw rod to move towards the upper portion of a screen frame, and when the bottom of the rubber pad is thoroughly separated from the upper portion of the screen frame, the rubber pad is separated from the upper portion of the screen frame. And the movable plate is pulled upwards until the movable plate is in a vertical shape.

Description

TECHNICAL FIELD

[0001] The utility model relates to formaldehyde production technical field, specifically is a steam filter equipment of production formaldehyde. BACKGROUND

[0002] Formaldehyde is a colorless, organic compound with a strong irritating odor. It is soluble in water, alcohol and ether, and is gaseous at room temperature, usually in the form of an aqueous solution. In the production process of formaldehyde, in order to prepare high-concentration liquid formaldehyde, the gas rich in formaldehyde is often heated and vaporized, and then rapidly cooled to form liquefied formaldehyde.

[0003] Application No. CN221771904U discloses a steam filtering device, which comprises a condensing mechanism, a filtering mechanism and a mixing mechanism. The condensing mechanism comprises a workbench, a condensing box arranged on one side of the top of the workbench, and a water tank arranged on one side of the condensing box. The filtering mechanism comprises a liquid collecting plate arranged inside the condensing box, a liquid outlet pipe arranged on one side of the condensing box, and a collection tank connected to the tail end of the liquid outlet pipe. The collection tank is provided with screen frame at equal intervals. The steam filtering device can quickly cool the condensing box and utilize the principle of circulating cooling pipe to take away the steam heat, so as to quickly and efficiently cool the hot steam and form condensed liquid formaldehyde water beads stably and efficiently.

[0004] In the above device, the screen frame in the filtering mechanism is used to filter the liquefied formaldehyde. However, when the screen frame is damaged due to corrosion of impurities after long-term use, it is difficult for the staff to disassemble and replace it, which has certain limitations in use. To solve the above problems, a steam filtering device for producing formaldehyde is proposed. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a steam filtering device for producing formaldehyde to solve the problem that it is difficult for the staff to disassemble and replace the screen frame when it is damaged due to corrosion of impurities after long-term use, which has certain limitations in use.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a steam filtering device for producing formaldehyde, comprising a workbench, one side of the inside of the workbench is provided with a filter box, the inside of the filter box is hollow, and the inside of the filter box is provided with a movable assembly.

[0007] The movable assembly comprises a support frame, an electric telescopic rod, a movable box, an L-shaped support plate, a screen frame, a screen and a positioning piece, the inside of the filter box is movably provided with the movable box, the rear side of the movable box is fixedly provided with the electric telescopic rod, the input end of the electric telescopic rod is electrically connected with the output end of an external power supply, the end of the electric telescopic rod away from the movable box is provided with the support frame, the electric telescopic rod can be supported by the support frame, thereby facilitating the use of the electric telescopic rod, the support frame is fixedly connected below one side of the filter box, the inner walls on the two sides of the movable box are fixedly provided with the L-shaped support plates, the screen frame is movably arranged between the two L-shaped support plates, the inner side wall of the screen frame is provided with the screens at equal distances, the condensed liquid formaldehyde can be filtered through the screens, thereby effectively removing the impurities contained in the liquid formaldehyde, the screen frame is clamped between the two L-shaped support plates, one corner above the screen frame is provided with the positioning piece, the number of the positioning pieces is four, and the four positioning pieces are located at the four corners above the screen frame.

[0008] The positioning piece comprises a fixing frame, a connecting plate, a connecting shaft, a movable plate and a positioning rod, the upper side of the L-shaped support plate is fixedly provided with the fixing frame, the inner side of the fixing frame is provided with the connecting plate, the connecting portion of the connecting plate and the fixing frame is provided with the connecting shaft, one side of the connecting plate is fixedly provided with the movable plate, the inside of the movable plate is provided with the positioning rod, the cooperation of the positioning piece can limit the position of the screen frame, thereby making the connection structure of the screen frame more stable.

[0009] Preferably, the number of the fixing frames is two, and the two fixing frames are located on the two sides of the connecting plate, so that the connection of the connecting plate is facilitated.

[0010] Preferably, the positioning rod comprises a positioning nut, a positioning screw rod, a positioning circular plate and a rubber pad, the upper side of the movable plate is fixedly provided with the positioning nut, the inside of the positioning nut is movably provided with the positioning screw rod, the positioning screw rod penetrates through the movable plate, the bottom of the positioning screw rod is fixedly provided with the positioning circular plate, and the bottom of the positioning circular plate is fixedly provided with the rubber pad, so that the damage of the screen frame is avoided.

[0011] Preferably, a handle is fixedly arranged above the screen frame, the number of the handles is two, and the two handles are located on the two sides above the screen frame, so that the screen frame is conveniently taken by the staff through the cooperation of the two handles.

[0012] Preferably, the upper of the workbench is sequentially fixed with a water tank and a condensing tank from left to right, one side above the condensing tank is fixedly provided with a steam inlet pipe, the other side above the condensing tank is fixedly provided with a cold air fan, the input end of the cold air fan is electrically connected with the output end of an external power supply, the outer side of the condensing tank is provided with a cooling pipe, the lower side of the side of the condensing tank is fixedly provided with a liquid outlet pipe, the liquid outlet pipe penetrates through the workbench and is connected with the filter tank, and through the cooperation of the water tank, the condensing tank, the steam inlet pipe, the cold air fan, the cooling pipe and the liquid outlet pipe, the hot steam can be rapidly and efficiently cooled, so that the purpose of forming the condensed liquid formaldehyde water beads is achieved efficiently and stably.

[0013] Preferably, the other side in the workbench is provided with a collecting tank, and the collecting tank and the filter tank are provided with a conveying pipe and a conveying pump, so that the filtered liquid formaldehyde can be collected, and the use is more convenient.

[0014] Compared with the prior art, the beneficial effects of the utility model are that when the screen in the screen frame needs to be replaced due to damage, the movable box is pushed out from the inside of the filter tank through the electric telescopic rod, then the staff twists the positioning screw rod in the positioning nut upwards, in this process, the positioning screw rod can drive the rubber pad below it to move upwards to the upper side of the screen frame, when the bottom of the rubber pad is completely separated from the upper side of the screen frame, the movable plate is twisted upwards until it is vertical, then the staff can take out the screen in the screen frame from the inside of the movable box by lifting the screen in the screen frame from the two L-shaped supporting plates through the handle, and the staff can replace the screen in the screen frame after taking it out, through the cooperation of the electric telescopic rod, the movable box, the filter tank, the positioning nut, the positioning screw rod, the rubber pad, the screen frame, the movable plate, the handle and the screen, the screen can be disassembled and replaced, the problem that the screen is difficult to disassemble and replace is solved, and the normal use of the equipment is ensured to a certain extent. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0016] Figure 2 It is a movable box and filter tank connection structure schematic view of the utility model;

[0017] Figure 3 It is a movable box structure schematic view of the utility model;

[0018] Figure 4 It is a Figure 3 It is an enlarged structure schematic view of A in the middle.

[0019] In the figure: 1, collecting box; 2, workbench; 3, water tank; 4, condensing box; 5, steam inlet pipe; 6, cold air blower; 7, cooling pipe; 8, liquid outlet pipe; 9, movable box; 10, filter box; 11, screen frame; 12, electric telescopic rod; 13, support frame; 14, L-shaped support plate; 15, handle; 16, connecting shaft; 17, fixing frame; 18, connecting plate; 19, positioning nut; 20, movable plate; 21, positioning screw; 22, positioning round plate; 23, rubber pad; 24, screen. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0021] Please refer to Figures 1-4 The utility model provides a kind of steam filter equipment for producing formaldehyde, including workbench 2, one side in workbench 2 is equipped with filter box 10, the inside of filter box 10 is hollow, and movable assembly is equipped in the inside of filter box 10;

[0022] Movable assembly includes support frame 13, electric telescopic rod 12, movable box 9, L-shaped support plate 14, screen frame 11, screen 24 and positioning piece, movable box 9 is movably arranged in the inside of filter box 10, and the rear side of movable box 9 is fixedly provided with electric telescopic rod 12, wherein the input end of electric telescopic rod 12 is electrically connected with the output end of external power supply, and the end of electric telescopic rod 12 away from movable box 9 is equipped with support frame 13, and electric telescopic rod 12 can be supported by support frame 13, to facilitate the use of electric telescopic rod 12, support frame 13 is fixedly connected below one side of filter box 10, and L-shaped support plate 14 is fixedly arranged on the inner wall of both sides of movable box 9, screen frame 11 is movably arranged between the two L-shaped support plates 14, and screen 24 is arranged on the inner side wall of screen frame 11 at equal intervals, and the impurities contained in liquid formaldehyde after condensation can be filtered by screen 24, so that the impurities contained in liquid formaldehyde are effectively removed, screen frame 11 is clamped between the two L-shaped support plates 14, and positioning piece is arranged at one corner above screen frame 11, wherein the number of positioning piece is four groups, and four groups of positioning pieces are respectively located at four corners above screen frame 11;

[0023] The positioning member comprises a fixing frame 17, a connecting plate 18, a connecting shaft 16, a movable plate 20 and a positioning rod, the upper portion of the L-shaped support plate 14 is fixedly provided with the fixing frame 17, the number of the fixing frame 17 is two, the two fixing frames 17 are respectively located on the two sides of the connecting plate 18, the two fixing frames 17 facilitate the connection of the connecting plate 18, the inner side of the fixing frame 17 is provided with the connecting plate 18, the connecting portion of the connecting plate 18 and the fixing frame 17 is provided with the connecting shaft 16, one side of the connecting plate 18 is fixedly provided with the movable plate 20, the inner portion of the movable plate 20 is provided with the positioning rod, the cooperation of the positioning member can limit the position of the screen frame 11, so that the connection structure of the screen frame 11 is more stable.

[0024] The positioning rod comprises a positioning nut 19, a positioning screw 21, a positioning circular plate 22 and a rubber pad 23, the upper portion of the movable plate 20 is fixedly provided with the positioning nut 19, the inner portion of the positioning nut 19 is movably provided with the positioning screw 21, the positioning screw 21 penetrates through the movable plate 20, the bottom portion of the positioning screw 21 is fixedly provided with the positioning circular plate 22, the bottom portion of the positioning circular plate 22 is fixedly provided with the rubber pad 23, the rubber pad 23 avoids the damage of the screen frame 11.

[0025] The upper portion of the screen frame 11 is fixedly provided with a handle 15, the number of the handle 15 is two, the two handles 15 are respectively located on the two sides of the upper portion of the screen frame 11, the cooperation of the two handles 15 facilitates the workers to take the screen frame 11.

[0026] The upper portion of the workbench 2 is sequentially fixedly provided with a water tank 3 and a condensing tank 4 from left to right, one side of the upper portion of the condensing tank 4 is fixedly provided with an inlet pipe 5, the other side of the upper portion of the condensing tank 4 is fixedly provided with a cold air fan 6, wherein the input end of the cold air fan 6 is electrically connected with the output end of an external power supply, the outer side of the condensing tank 4 is provided with a cooling pipe 7, the lower portion of the side of the condensing tank 4 is fixedly provided with an outlet pipe 8, the outlet pipe 8 penetrates through the workbench 2 and is connected with the filtering tank 10, the cooperation of the water tank 3, the condensing tank 4, the inlet pipe 5, the cold air fan 6, the cooling pipe 7 and the outlet pipe 8 can facilitate the rapid and efficient cooling of the hot steam, so as to efficiently and stably form the condensed liquid formaldehyde water beads.

[0027] The other side of the inner portion of the workbench 2 is provided with a collecting tank 1, the collecting tank 1 and the filtering tank 10 are provided with a conveying pipe and a conveying pump, the collecting tank 1 can collect the filtered liquid formaldehyde, and the use is more convenient.

[0028] In use, the formaldehyde steam flows into the condensing box 4 along the steam inlet pipe 5 to be cooled, and is rapidly liquefied in the low-temperature environment of the condensing box 4 cooled by the air cooler 6, and the heat in the condensing box 4 is continuously taken away by the cooling pipe 7, and finally the formaldehyde condensed into water droplets enters the movable box 9 in the filter box 10 through the liquid outlet pipe 8, the liquid formaldehyde in the movable box 9 is filtered by the screen frame 11 in the movable box 9, and finally the filtered liquid formaldehyde flows into the collection box 1 for collection, wherein when the screen 24 inside the screen frame 11 needs to be replaced due to damage, the movable box 9 is pushed out of the filter box 10 by the electric telescopic rod 12, then the staff twists the positioning screw rod 21 in the positioning nut 19 upwards, in the process, the positioning screw rod 21 can drive the rubber pad 23 below it to move upwards to the top of the screen frame 11, when the bottom of the rubber pad 23 is completely separated from the top of the screen frame 11, the movable plate 20 is twisted upwards until it is vertical, then the staff can take out the screen 24 in the screen frame 11 from the inside of the movable box 9 by lifting the screen 24 between the two L-shaped support plates 14 through the handle 15, and then the staff can replace the screen 24 in the screen frame 11.

[0029] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A steam filtering device for producing formaldehyde, comprising a workbench (2), one side of the inside of the workbench (2) is provided with a filtering box (10), characterized in that: The inside of the filter box (10) is provided with a movable assembly; The movable assembly comprises a support frame (13), an electric telescopic rod (12), a movable box (9), an L-shaped support plate (14), a screen frame (11), a screen (24) and a positioning piece, the inside of the filter box (10) is movably provided with the movable box (9), the rear side of the movable box (9) is fixedly provided with the electric telescopic rod (12), one end of the electric telescopic rod (12) away from the movable box (9) is provided with the support frame (13), the support frame (13) is fixedly connected below one side of the filter box (10), the inner walls on the two sides of the movable box (9) are both fixedly provided with the L-shaped support plate (14), the screen frame (11) is movably arranged between the two L-shaped support plates (14), the inner side wall of the screen frame (11) is provided with the screen (24) at equal distances, and one corner above the screen frame (11) is provided with the positioning piece. The positioning piece comprises a fixed frame (17), a connecting plate (18), a connecting shaft (16), a movable plate (20) and a positioning rod, the top of the L-shaped support plate (14) is fixedly provided with the fixed frame (17), the inner side of the fixed frame (17) is provided with the connecting plate (18), the connecting position of the connecting plate (18) and the fixed frame (17) is provided with the connecting shaft (16), one side of the connecting plate (18) is fixedly provided with the movable plate (20), and the inside of the movable plate (20) is provided with the positioning rod.

2. A steam filtering apparatus for producing formaldehyde according to claim 1, characterized by: The number of the fixed frame (17) is two, and the two fixed frames (17) are located on the two sides of the connecting plate (18) respectively.

3. A steam filtering apparatus for producing formaldehyde according to claim 1, characterized in that: The positioning rod comprises a positioning nut (19), a positioning screw rod (21), a positioning circular plate (22) and a rubber pad (23), the top of the movable plate (20) is fixedly provided with the positioning nut (19), the inside of the positioning nut (19) is movably provided with the positioning screw rod (21), the positioning screw rod (21) penetrates through the movable plate (20), the bottom of the positioning screw rod (21) is fixedly provided with the positioning circular plate (22), and the bottom of the positioning circular plate (22) is fixedly provided with the rubber pad (23).

4. A steam filtering apparatus for producing formaldehyde according to claim 1, characterized by: The top of the screen frame (11) is fixedly provided with a handle (15), the number of the handle (15) is two, and the two handles (15) are located on the two sides above the screen frame (11) respectively.

5. A steam filtering apparatus for producing formaldehyde according to claim 1, characterized by: The top of the workbench (2) is sequentially fixedly provided with a water tank (3) and a condensation tank (4) from left to right, one side above the condensation tank (4) is fixedly provided with an inlet pipe (5), the other side above the condensation tank (4) is fixedly provided with a cold air fan (6), the outer side of the condensation tank (4) is provided with a cooling pipe (7), the lower side of the side of the condensation tank (4) is fixedly provided with an outlet pipe (8), the outlet pipe (8) penetrates through the workbench (2) and is connected with the filter box (10).

6. A steam filtering apparatus for producing formaldehyde according to claim 1, characterized by: The other side of the inside of the workbench (2) is provided with a collection box (1), and the collection box (1) and the filter box (10) are provided with a conveying pipe and a conveying pump.

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