Impurity removal equipment for 3-aminopropanol production raw materials

Abstract

The utility model discloses impurity removal equipment for a 3-aminopropanol production raw material, which comprises a box body, an impurity removal device and an impurity removal device, the flow guide pipe is connected to the lower portion of the feeding hopper, and a liquid collecting box is arranged on one side of the flow guide pipe; the first filter screen is connected to the middle part of the flow guide pipe; the flow guide frame is connected below the first filter screen, and a liquid outlet pipe is arranged below the flow guide frame; and the cleaning assembly is arranged in the flow guide frame and used for cleaning the first filter screen. According to the impurity removal equipment, ammonia water to be used is poured into the feeding funnel, the ammonia water can be preliminarily filtered through the second filter screen, large-particle impurities are filtered, then the ammonia water passes through the flow guide pipe and the first filter screen to be filtered again, and the ammonia water subjected to impurity removal enters the flow guide frame through the first filter screen; and the liquid is discharged into the reaction kettle through the liquid outlet pipe.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical production equipment, in particular to impurity removal equipment for raw materials used in the production of 3-aminopropanol. Background Art

[0002] In the process of producing 3-aminopropanol, 3-chloropropanol can be firstly obtained from the reaction liquid by extraction and distillation separation, and then 3-chloropropanol is reacted with ammonia water in a closed system, and the obtained reaction liquid is extracted and distilled to obtain 3-aminopropanol.

[0003] At present, when producing 3-aminopropanol, ammonia water is generally directly introduced into 3-chloropropanol. However, the ammonia water may contain impurities. The impurities in the ammonia water may react adversely with the catalyst, reduce the activity of the catalyst, and form a coating on the catalyst surface, affecting the reaction rate. Utility Model Content

[0004] The purpose of this utility model is to solve the shortcomings existing in the prior art, including:

[0005] A box body, wherein a feeding funnel is arranged on the box body;

[0006] A flow guide pipe, the flow guide pipe is connected below the feed hopper, and a liquid collecting box is provided on one side of the flow guide pipe;

[0007] a first filter screen, the first filter screen being connected to the middle of the flow guide pipe;

[0008] A flow guide frame, the flow guide frame is connected below the first filter screen, and a liquid outlet pipe is provided below the flow guide frame;

[0009] A cleaning component, the cleaning component is arranged inside the guide frame and is used to clean the first filter screen;

[0010] A pumping mechanism connected between the feed hopper and the liquid collecting tank;

[0011] The cleaning assembly includes a motor box, the output shaft of the motor box is connected to a threaded screw, the threaded screw is connected to the liquid collecting box through a bearing seat, a transmission block is threadedly connected to the threaded screw, and a cleaning brush close to the first filter is provided on the transmission block.

[0012] As a further description of the above technical solution: a second filter screen and a fixed plate are arranged inside the feed funnel, a clamping plate is arranged below the second filter screen, a clamping groove adapted to the clamping plate is opened inside the fixed plate, and the second filter screen is arranged on the handle.

[0013] As a further description of the above technical solution: the pumping mechanism includes a circulation pump box, the bottom of the circulation pump box is connected to the liquid collecting box through a liquid suction pipe, and the top of the circulation pump box is connected to the feed funnel through a liquid discharge pipe.

[0014] As a further description of the above technical solution: a limiting slide groove is provided inside the guide frame, and a limiting slide plate adapted to the limiting slide groove is provided under the transmission block.

[0015] As a further description of the above technical solution: a box door is provided on one side of the liquid collecting box.

[0016] As a further description of the above technical solution: a guide plate is arranged inside the liquid collecting box.

[0017] The above technical solution has the following advantages or beneficial effects:

[0018] The utility model pours the ammonia water to be used into the feed funnel, and the ammonia water can be preliminarily filtered through the second filter screen to filter out large particle impurities. Then the ammonia water passes through the guide pipe and the first filter screen for re-filtration, so that the ammonia water after impurities are removed passes through the first filter screen into the guide frame, and is discharged into the reactor through the liquid outlet pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a cross-sectional view of an impurity removal device in one embodiment of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the impurity removal equipment in one embodiment of the utility model;

[0021] Figure 3 for Figure 1 A partial enlarged view of point A in the impurity removal equipment;

[0022] Figure 4 for Figure 1 A partial enlarged view of point B in the impurity removal equipment.

[0023] Legend:

[0024] 1. Box body; 2. Feed funnel; 3. Guide pipe; 4. Liquid collecting box; 5. First filter screen; 6. Guide plate; 7. Guide frame; 8. Cleaning assembly; 9. Pumping mechanism; 10. Liquid outlet pipe; 11. Second filter screen; 12. Fixed plate; 13. Clamping plate; 14. Clamping slot; 15. Handle; 16. Limiting slide slot; 17. Limiting slide plate; 18. Box door; 81. Motor box; 82. Threaded screw; 83. Bearing seat; 84. Transmission block; 85. Cleaning brush; 91. Circulation pump box; 92. Liquid extraction pipe; 93. Liquid discharge pipe. DETAILED DESCRIPTION

[0025] 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.

[0026] In the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0027] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "set", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] like Figure 1-4 As shown, the utility model is an impurity removal device for raw materials for 3-aminopropanol production, comprising: a box body 1, on which a feed funnel 2 is arranged; a guide pipe 3, which is connected below the feed funnel 2, and a liquid collecting box 4 is arranged on one side of the guide pipe 3; a first filter screen 5, which is connected to the middle of the guide pipe 3; a guide frame 7, which is connected below the first filter screen 5, and a liquid outlet pipe 10 is arranged below the guide frame 7; a cleaning component 8, which is arranged inside the guide frame 7 and is used to clean the first filter screen 5; a pumping mechanism 9, which is connected between the feed funnel 2 and the liquid collecting box 4; the cleaning component 8 comprises a motor box 81, the output shaft of the motor box 81 is connected to a threaded screw 82, the threaded screw 82 is connected to the liquid collecting box 4 through a bearing seat 83, the threaded screw 82 is threadedly connected to a transmission block 84, and the transmission block 84 is provided with a cleaning brush 85 that is close to the first filter screen 5.

[0029] In this embodiment, the ammonia water to be used is poured into the feed funnel 2, and the ammonia water can be preliminarily filtered through the second filter screen 11 to filter out large particles of impurities. Then the ammonia water passes through the guide tube 3 and is filtered again through the first filter screen 5, so that the ammonia water after impurities are removed passes through the first filter screen 5 into the guide frame 7, and is discharged into the reactor through the liquid outlet pipe 10.

[0030] Among them, by controlling the operation of the motor box 81, the threaded screw 82 can be driven to rotate, driving the transmission block 84 and the cleaning brush 85 close to the first filter screen 5 to move back and forth, thereby driving the cleaning brush 85 to clean the first filter screen 5, so that the first filter screen 5 remains unobstructed and the filtering capacity is improved.

[0031] like Figure 1 and Figure 2 As shown, specifically, a second filter screen 11 and a fixed plate 12 are arranged inside the feed funnel 2, a clamping plate 13 is arranged below the second filter screen 11, a clamping groove 14 matched with the clamping plate 13 is opened inside the fixed plate 12, and a handle 15 is arranged on the second filter screen 11; the handle 15 can be used to conveniently take out the second filter screen 11, so as to facilitate the inspection and maintenance of the second filter screen 11, and the clamping groove 14 can be used to conveniently limit and fix the second filter screen 11.

[0032] like Figure 1 and 2 As shown, specifically, the pumping mechanism 9 includes a circulating pump box 91, the lower part of the circulating pump box 91 is connected to the liquid collecting box 4 through a liquid suction pipe 92, and the upper part of the circulating pump box 91 is connected to the feed funnel 2 through a liquid discharge pipe 93; the ammonia water that fails to pass through the first filter screen 5 in time can be collected through the liquid collecting box 4, and the ammonia water collected in the liquid collecting box 4 can be passed into the feed funnel 2 again for filtration by controlling the operation of the circulating pump box 91.

[0033] like Figure 1 and 3 As shown, specifically, a limiting groove 16 is provided inside the guide frame 7, and a limiting slide plate 17 adapted to the limiting groove 16 is provided below the transmission block 84; the limiting slide plate 17 can be limited by the limiting groove 16, and then the transmission block 84 and the cleaning brush 85 connected to the limiting slide plate 17 can be limited, thereby enhancing the stability of the cleaning brush 85 when moving.

[0034] like Figure 1 and Figure 2 As shown, specifically, a box door 18 is provided on one side of the liquid collecting box 4, and a guide plate 6 is provided inside the liquid collecting box 4; by opening the box door 18, it is convenient to inspect the inside of the liquid collecting box 4, and it is also convenient to remove impurities accumulated inside the liquid collecting box 4.

[0035] Working principle: the staff pours the ammonia water to be used into the feed funnel 2, and the ammonia water can be initially filtered through the second filter screen 11 to filter out large particles of impurities. Then the ammonia water will pass through the guide pipe 3 and the first filter screen 5 for re-filtration, so that the ammonia water after impurities removal passes through the first filter screen 5 into the guide frame 7, and then is discharged into the reactor through the liquid outlet pipe 10. By controlling the operation of the motor box 81, the threaded screw 82 can be driven to rotate, and the transmission block 84 and the cleaning brush 85 close to the first filter screen 5 can be driven to move back and forth, thereby driving the cleaning brush 85 to clean the first filter screen 5, so that the first filter screen 5 remains unobstructed and the filtering capacity is improved.

[0036] It should be noted that, in this article, relational terms such as first and second, 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 including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0037] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. An impurity removal device for raw materials for the production of 3-aminopropanol, characterized in that: include: A box body (1), wherein a feeding funnel (2) is arranged on the box body (1); A flow guide pipe (3), the flow guide pipe (3) is connected below the feed hopper (2), and a liquid collecting box (4) is provided on one side of the flow guide pipe (3); A first filter screen (5), the first filter screen (5) being connected to the middle of the flow guide pipe (3); A flow guide frame (7), the flow guide frame (7) being connected below the first filter screen (5), and a liquid outlet pipe (10) being provided below the flow guide frame (7); A cleaning component (8), the cleaning component (8) being arranged inside the guide frame (7) and being used for cleaning the first filter screen (5); A pumping mechanism (9), the pumping mechanism (9) being connected between the feed hopper (2) and the liquid collecting tank (4); The cleaning assembly (8) comprises a motor box (81), the output shaft of the motor box (81) is connected to a threaded screw (82), the threaded screw (82) is connected to the liquid collecting box (4) through a bearing seat (83), a transmission block (84) is threadedly connected to the threaded screw (82), and a cleaning brush (85) is provided on the transmission block (84) and is in close contact with the first filter screen (5).

2. The impurity removal device for 3-aminopropanol production raw materials according to claim 1, characterized in that: A second filter screen (11) and a fixing plate (12) are arranged inside the feed funnel (2); a clamping plate (13) is arranged below the second filter screen (11); a clamping groove (14) adapted to the clamping plate (13) is provided inside the fixing plate (12); and a handle (15) is arranged on the second filter screen (11).

3. The impurity removal device for 3-aminopropanol production raw materials according to claim 1, characterized in that: The pumping mechanism (9) comprises a circulation pump box (91), the bottom of the circulation pump box (91) is connected to the liquid collecting box (4) through a liquid extraction pipe (92), and the top of the circulation pump box (91) is connected to the feeding funnel (2) through a liquid discharge pipe (93).

4. The impurity removal device for 3-aminopropanol production raw materials according to claim 1, characterized in that: A limiting slide groove (16) is provided inside the guide frame (7), and a limiting slide plate (17) adapted to the limiting slide groove (16) is provided below the transmission block (84).

5. The impurity removal device for 3-aminopropanol production raw materials according to claim 1, characterized in that: A box door (18) is provided on one side of the liquid collecting box (4).

6. The impurity removal device for 3-aminopropanol production raw materials according to claim 1, characterized in that: A guide plate (6) is arranged inside the liquid collecting box (4).

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