Liquid preparation mechanism for efficiently preparing urea solution

Abstract

The utility model discloses a solution preparation mechanism for efficiently preparing a urea solution, and relates to the technical field of urea solution preparation, a nut A of a screw-nut pair is connected with a scattering component for gradually scattering urea particles into a strip-shaped preparation groove; the scattering assembly comprises a frame welded on the bottom surface of the nut A and a driving motor fixedly arranged in the frame; and a stock bin is fixedly arranged at the left end of the nut B, a top end opening of the stock bin is a feeding opening, a stop valve is connected to a bottom end opening of the stock bin, a discharging pipe located over the strip-shaped preparation groove is welded to the bottom end opening of the stop valve, and a left end opening and a right end opening of the discharging pipe are obliquely arranged downwards. The device has the beneficial effects that the preparation time of the urea solution is shortened, and the preparation efficiency of the urea solution is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of urea solution preparation, in particular to a liquid preparation mechanism for efficiently preparing urea solution. BACKGROUND

[0002] The garbage incinerator is used for incinerating domestic waste, and urea solution needs to be sprayed on the domestic waste before incineration. The urea solution has the effect of absorbing harmful substances generated in the incineration process.

[0003] The urea solution is prepared by a preparation machine as shown in the accompanying drawings. Figure 1 The preparation machine comprises a strip-shaped preparation tank 1 extending in the horizontal direction, a plurality of stirring motors 2 are fixed on the bottom surface of the strip-shaped preparation tank 1 along the length direction, the output shaft of the stirring motor 2 extends into the strip-shaped preparation tank 1, and a blade 3 is connected to the extending end.

[0004] The method for workers to prepare urea solution by using the preparation machine is as follows:

[0005] S1, the worker draws a certain amount of water into the strip-shaped preparation tank 1;

[0006] S2, the worker pours the granular urea particles in the pocket into the strip-shaped preparation tank 1, and the urea particles are deposited on the tank bottom of the strip-shaped preparation tank 1;

[0007] S3, the worker controls the start of each stirring motor 2, the stirring motor 2 drives the blade 3 to rotate, the blade 3 stirs the water and urea particles in the strip-shaped preparation tank 1, and under the stirring, the urea particles gradually dissolve in the water. After a period of stirring, the required urea solution can be finally prepared;

[0008] S4, open the valve on the side wall of the strip-shaped preparation tank 1, and the urea solution can be discharged for use.

[0009] However, although this preparation machine can prepare the required urea solution, there are still the following technical defects in the actual use process:

[0010] In step S2, after the worker pours the granular urea particles into the strip-shaped preparation tank 1, the urea particles are accumulated in a large amount on the tank bottom of the strip-shaped preparation tank 1, so that the blade 3 needs to be stirred for a long time to dissolve the accumulated urea particles into the water, thereby increasing the preparation time of the urea solution and reducing the preparation efficiency of the urea solution.

[0011] Therefore, a liquid preparation mechanism for shortening the preparation time of urea solution and greatly improving the preparation efficiency of urea solution is needed. UTILITY MODEL CONTENTS

[0012] The utility model discloses a purpose in surmounting the shortcoming of prior art, provide a kind of shortening the preparation time of urea solution, greatly improve the preparation efficiency of urea solution's high-efficiency preparation urea solution's liquid preparation mechanism.

[0013] The utility model discloses a purpose is realized through following technical scheme: a kind of high-efficiency preparation urea solution's liquid preparation mechanism, it includes the arch frame 4 of erecting in the bar-shaped preparation tank 1 directly above, the screw nut pair 5 of screw rod extending along the length direction of bar-shaped preparation tank 1 is provided in arch frame 4, the nut A18 of screw nut pair 5 is connected with the scattering subassembly 6 for gradually scattering urea granule in bar-shaped preparation tank 1 in;

[0014] The scattering subassembly 6 includes the frame 7 welded on the bottom surface of nut A18, the driving motor 8 fixed in frame 7, the output shaft of driving motor 8 is downwardly penetrated the bottom edge of frame 7, and the extending end is fixed with L plate 9, the vertical plate of L plate 9 is fixed with guide rail 10 on the left end surface, the fixed seat 11 fixed to the vertical plate bottom end portion is provided with the guide rail 10 directly below, the adjusting screw 12 is rotatably installed between the fixed seat 11 and the horizontal plate of L plate 9, the screw nut B13 is threadedly connected on the threaded section of adjusting screw 12, the right side wall of screw nut B13 is fixed with sliding block, and the sliding block is slidably installed on guide rail 10;

[0015] The left end portion of screw nut B13 is fixed with bin 14, the top end port of bin 14 is feeding opening, the bottom end port of bin 14 is connected with stop valve 15, the bottom end port of stop valve 15 is welded with discharge pipe 16 located directly above bar-shaped preparation tank 1, and the left and right end ports of discharge pipe 16 are all inclined downward.

[0016] The left and right side plates of arch frame 4 are welded on the left and right outer side walls of bar-shaped preparation tank 1 respectively.

[0017] The screw nut pair 5 includes the light rod fixed between the left and right side plates of arch frame 4, the screw rod 17 rotatably installed between the left and right side plates of arch frame 4, the nut A18 threadedly connected on screw rod 17, the servo motor 19 fixed on the left side plate of arch frame 4, the output shaft of servo motor 19 is connected with the left end portion of screw rod 17;The top surface of nut A18 is fixed with sliding seat, and the sliding seat is sleeved on the light rod.

[0018] The left end portion of screw nut B13 is welded with connecting plate, and the connecting plate is welded on the right side wall of bin 14.

[0019] The bin 14 is circular cylindrical, and the bin 14 is coaxially arranged with driving motor 8.

[0020] The liquid preparation mechanism further includes a controller, and the controller is electrically connected with the servo motor 19, the driving motor 8 and the stop valve 15 through signal lines.

[0021] The present utility model has the following advantages: shortening the preparation time of urea solution, greatly improving the preparation efficiency of urea solution. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 For the structure diagram of the existing preparation machine;

[0023] Figure 2 For the structure diagram of the present utility model;

[0024] Figure 3 For Figure 2 the main section schematic diagram;

[0025] Figure 4 For the connection schematic diagram of nut A and the scattering assembly;

[0026] Figure 5 For the structure schematic diagram of the discharge pipe;

[0027] Figure 6 For the schematic diagram after the discharge pipe enters into the strip-shaped preparation tank;

[0028] Figure 7 For the schematic diagram of the frame, the stock bin and the discharge pipe moving synchronously to the right;

[0029] In the drawing:

[0030] 1-strip-shaped preparation tank, 2-stirring motor, 3-vane, 4-arched frame, 5-screw nut pair, 6-scattering assembly, 7-frame, 8-driving motor, 9-L plate, 10-guide rail, 11-fixed seat, 12-adjusting screw, 13-nut B, 14-stock bin, 15-stop valve, 16-discharge pipe, 17-screw rod, 18-nut A, 19-servo motor. DETAILED DESCRIPTION

[0031] The present utility model will be further described below in combination with the drawings, and the protection scope of the present utility model is not limited to the following:

[0032] As Figures 2-5 shown in the figure, a kind of preparation liquid mechanism of high-efficiency preparation urea solution, it includes the arch-shaped frame 4 of erecting in strip-shaped preparation tank 1 directly above, arch-shaped frame 4 is provided with the screw nut pair 5 of extending along the length direction of strip-shaped preparation tank 1 in it, the nut A 18 of screw nut pair 5 is connected with the scattering assembly 6 for gradually scattering urea particles in strip-shaped preparation tank 1;The left and right side plates of arch-shaped frame 4 are respectively welded on the left and right outer walls of strip-shaped preparation tank 1.

[0033] The distribution assembly 6 comprises a frame 7 welded to the bottom surface of the nut A18, a drive motor 8 fixed in the frame 7, the output shaft of the drive motor 8 downwardly penetrates the bottom edge of the frame 7, and the extending end is fixed with an L-shaped plate 9, the left end surface of the vertical plate of the L-shaped plate 9 is fixed with a guide rail 10, the vertical plate is fixed with a fixed seat 11 below the guide rail 10, a adjusting screw 12 is rotatably installed between the fixed seat 11 and the horizontal plate of the L-shaped plate 9, the threaded segment of the adjusting screw 12 is threadedly connected with a nut B13, the right side wall of the nut B13 is fixed with a sliding block, and the sliding block is slidably installed on the guide rail 10.

[0034] The left end of the nut B13 is fixed with a hopper 14, the top end of the hopper 14 is an adding opening, the bottom end of the hopper 14 is connected with a stop valve 15, the bottom end of the stop valve 15 is welded with a discharging pipe 16 located above the strip-shaped preparation tank 1, and the left and right ends of the discharging pipe 16 are both inclined downward.

[0035] The screw rod nut pair 5 comprises a light rod fixed between the left and right side plates of the arc-shaped frame 4, a screw rod 17 rotatably installed between the left and right side plates of the arc-shaped frame 4, a nut A18 threadedly connected with the screw rod 17, and a servo motor 19 fixed to the left side plate of the arc-shaped frame 4, wherein the output shaft of the servo motor 19 is connected with the left end of the screw rod 17; the top surface of the nut A18 is fixed with a sliding seat, and the sliding seat is sleeved on the light rod. The left end of the nut B13 is welded with a connecting plate, and the connecting plate is welded to the right side wall of the hopper 14.

[0036] The preparation mechanism further comprises a controller, the controller is electrically connected with the servo motor 19, the drive motor 8 and the stop valve 15 through signal lines, and workers can control the starting or closing of the servo motor 19, the drive motor 8 and the stop valve 15 through the controller, so that the operation of the workers is facilitated.

[0037] The method for preparing urea solution is as follows:

[0038] S1, the worker puts the urea particles in the pocket into the hopper 14 from the adding opening of the hopper 14, and the feeding direction is as shown by the arrow in the figure, Figure 3 When the feeding is completed, the hopper 14 is filled with a certain amount of urea particles;

[0039] S2, the worker rotates the handle of the adjusting screw 12, the nut B13 on the adjusting screw 12 moves linearly downward along the guide rail 10, the hopper 14 moves downward synchronously driven by the nut B13, the stop valve 15 and the discharging pipe 16 move downward synchronously driven by the hopper 14, and when the discharging pipe 16 enters the strip-shaped preparation tank 1, the worker stops rotating the adjusting screw 12, Figure 6

[0040] ​S3, the worker controls the driving motor 8 to start, the driving motor 8 drives the L plate 9 to rotate, the L plate 9 drives the adjusting screw 12, the nut B 13, the bunker 14 and the discharge pipe 16 to rotate synchronously in the horizontal direction;

[0041] S4, control the stop valve 15 to start, at this time, the bunker 14 is communicated with the discharge pipe 16, the urea particles in the bunker 14 pass through the stop valve 15, the discharge pipe 16 in turn under the gravity of itself, and finally are thrown out from the two ports of the rotating discharge pipe 16, and the thrown urea particles fall into the left end of the strip-shaped preparation tank 1;

[0042] S5, control the servo motor 19 to start, the servo motor 19 drives the screw rod 17 to rotate, the nut A 18 moves linearly along the screw rod 17 to the right, and the nut A 18 drives the frame 7, the driving motor 8, the L plate 9, the bunker 14 and the discharge pipe 16 to move synchronously to the right, as shown in Figure 7 The urea particles in the bunker 14 are gradually scattered in the strip-shaped preparation tank 1 under the two kinds of motion states;

[0043] S6, the worker controls each stirring motor 2 to start, the stirring motor 2 drives the blade 3 to rotate, and the blade 3 stirs the water and the urea particles in the strip-shaped preparation tank 1, under the stirring, the urea particles gradually dissolve in the water, and after a period of stirring, the required urea solution can be finally prepared;

[0044] S7, open the valve on the side wall of the strip-shaped preparation tank 1, and the urea solution can be discharged for use.

[0045] As can be seen from steps S5-S6, since the urea particles in the bunker 14 are gradually scattered in the strip-shaped preparation tank 1, i.e. the urea particles in the bunker 14 are laid on the bottom of the strip-shaped preparation tank 1 along the length direction of the strip-shaped preparation tank 1, the contact area of the urea particles and the water is effectively increased, so that when the stirring motor 2 starts, the blade 3 can fully mix the urea particles and the water in a short time, so that the urea particles are quickly dissolved in the water. Figure 1 Therefore, compared with the preparation machine as shown in

[0046] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.

Claims

1. A highly efficient urea solution preparation mechanism, characterized in that: It includes an arched frame (4) erected directly above the strip-shaped preparation trough (1), and a screw and nut pair (5) extending along the length of the strip-shaped preparation trough (1) is provided inside the arched frame (4). A spreading component (6) for gradually spreading urea particles into the strip-shaped preparation trough (1) is connected to the nut A (18) of the screw and nut pair (5). The dispersing assembly (6) includes a frame (7) welded to the bottom surface of nut A (18) and a drive motor (8) fixed inside the frame (7). The output shaft of the drive motor (8) passes through the bottom edge of the frame (7) downwards, and an L plate (9) is fixed on the extended end. A guide rail (10) is fixed on the left end face of the vertical plate of the L plate (9). A fixed seat (11) is fixed on the bottom end of the vertical plate directly below the guide rail (10). An adjusting screw (12) is rotatably installed between the fixed seat (11) and the horizontal plate of the L plate (9). A nut B (13) is threadedly connected to the threaded section of the adjusting screw (12). A slider is fixed on the right side wall of the nut B (13). The slider is slidably installed on the guide rail (10). A hopper (14) is fixed on the left end of the nut B (13). The top port of the hopper (14) is the feeding port. A stop valve (15) is connected to the bottom port of the hopper (14). A discharge pipe (16) located directly above the strip preparation groove (1) is welded to the bottom port of the stop valve (15). The left and right ports of the discharge pipe (16) are both inclined downwards.

2. The efficient urea solution preparation mechanism according to claim 1, characterized in that: The left and right side plates of the arched frame (4) are respectively welded to the left and right outer walls of the strip-shaped preparation groove (1).

3. The efficient urea solution preparation mechanism according to claim 1, characterized in that: The lead screw and nut assembly (5) includes a smooth rod fixed between the left and right side plates of the arch frame (4), a lead screw (17) rotatably installed between the left and right side plates of the arch frame (4), a nut A (18) threaded onto the lead screw (17), and a servo motor (19) fixed on the left side plate of the arch frame (4). The output shaft of the servo motor (19) is connected to the left end of the lead screw (17). A slide is fixed on the top surface of the nut A (18), and the slide is sleeved on the smooth rod.

4. The efficient urea solution preparation mechanism according to claim 3, characterized in that: A connecting plate is welded to the left end of the nut B (13), and the connecting plate is welded to the right side wall of the hopper (14).

5. The efficient urea solution preparation mechanism according to claim 1, characterized in that: The hopper (14) is cylindrical and is coaxially arranged with the drive motor (8).

6. The efficient urea solution preparation mechanism according to claim 1, characterized in that: The liquid dispensing mechanism also includes a controller, which is electrically connected to the servo motor (19), the drive motor (8) and the shut-off valve (15) via signal lines.

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