Phosphoric acid automatic dilution conveying and liquid level automatic control system

Abstract

The utility model discloses an automatic phosphoric acid dilution conveying and liquid level automatic control system which comprises a phosphoric acid storage box, a dilution box, a horizontal pneumatic conveying tank, a squeezing storage box, an air pump and a controller, the phosphoric acid storage box, the dilution box, the horizontal pneumatic conveying tank and the squeezing storage box are sequentially communicated through a pipeline I, a pipeline II and a pipeline III; the air pump is communicated with the branch pipe I, the branch pipe II and the branch pipe III through air pipes; the phosphoric acid diluting device has the advantages that gas is fed into the phosphoric acid storage tank, the diluting tank and the horizontal gas feeding tank through the branch pipe I, the branch pipe II and the branch pipe III by the gas pump, so that the concentration stability of phosphoric acid is effectively ensured, and the phosphoric acid is prevented from precipitating; the automatic valve is controlled through the controller, the amount of diluted phosphoric acid entering the squeezing storage box is effectively controlled, and liquid level control is achieved; after dilution, the phosphoric acid value is stable, the error is within 1%, leakage is avoided on site, control is safe and reliable, and the dilution concentration is 20%.

Description

TECHNICAL FIELD

[0001] The utility model relates to sugar making technical field, especially a kind of automatic dilution of phosphoric acid and liquid level automatic control system of delivery. BACKGROUND

[0002] In sugar cane sugar process, neutralization juice is to let squeezed sugar cane mixed juice to carry out pre-ash treatment, that is, while adding lime milk, add phosphoric acid appropriately, and import sulfur dioxide gas, so that neutralization response occurs, to produce mixed sugar juice, to ensure the control of pH value.But, phosphoric acid is stored in phosphoric acid storage tank, and phosphoric acid will precipitate in static state, causing concentration to be uneven in storage tank, and crystallization will also occur;Phosphoric acid precipitation causes subsequent process phosphoric acid dilution to be unable to be accurately controlled, and pH value of sugar juice cannot be well controlled. UTILITY MODEL CONTENT

[0003] The technical problem to be solved by the utility model is to provide an automatic dilution of phosphoric acid and liquid level automatic control system of delivery.

[0004] In order to solve the above technical problem, the technical scheme of the utility model is as follows:

[0005] An automatic dilution of phosphoric acid and liquid level automatic control system of delivery, comprising a phosphoric acid storage tank, a dilution tank, a horizontal gas sending tank, a squeezing storage tank, a gas pump and a controller;The phosphoric acid storage tank, the dilution tank, the horizontal gas sending tank and the squeezing storage tank are connected in sequence by pipeline I, pipeline II and pipeline III;The gas pump is connected with branch pipe I, branch pipe II and branch pipe III by gas pipe;Branch pipe I, branch pipe II and branch pipe III are respectively connected with the phosphoric acid storage tank, the dilution tank and the horizontal gas sending tank, and the gas outlet ends are located at the bottom of the phosphoric acid storage tank, the dilution tank and the horizontal gas sending tank;Liquid level meters are arranged in the phosphoric acid storage tank, the dilution tank, the horizontal gas sending tank and the squeezing storage tank;A water inlet pipe is connected with pipeline I;Automatic valves are arranged on pipeline I, pipeline II, pipeline III, branch pipe I, branch pipe II and branch pipe III;The controller is electrically connected with the automatic valves and the liquid level meters;The automatic valve on the water inlet pipe located on pipeline I is arranged between the water inlet pipe and the dilution tank on pipeline I.

[0006] Further, the gas outlet ends of branch pipe I and branch pipe III are connected with strip-shaped gas distributors.

[0007] Further, the strip-shaped gas distributor comprises a strip-shaped pipe and a plurality of gas outlet heads I uniformly distributed on the strip-shaped pipe and connected with the strip-shaped pipe.

[0008] Further, a circular gas distributor is connected with branch pipe II.

[0009] Further, the circular gas distributor comprises a connecting pipe, a ring pipe and a gas outlet head II;The connecting pipe is connected with the ring pipe at both ends;The gas outlet head II is annularly and uniformly distributed on the ring pipe and connected with the ring pipe.

[0010] Further, the pipeline I, pipeline II, pipeline III, branch pipe I, branch pipe II, branch pipe III are further provided with a hand valve.

[0011] The phosphoric acid automatic dilution conveying and liquid level automatic control system has the advantages that:

[0012] The phosphoric acid automatic dilution conveying and liquid level automatic control system has the advantages that: BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is a structural schematic view of the utility model;

[0014] Fig. 2 It is a structural schematic view of the strip-shaped gas distributor;

[0015] Fig. 3 It is a structural schematic view of the circular gas distributor.

[0016] In the drawings,

[0017] 1-phosphoric acid storage tank, 2-dilution tank, 3-horizontal gas conveying tank, 4-pressing storage tank, 5-air pump, 6-controller, 7-gas pipe, 8-liquid level meter, 9-water inlet pipe, 10-pipeline I, 11-pipeline II, 12-pipeline III, 13-branch pipe II, 14-branch pipe III, 15-automatic valve, 16-hand valve, 17-branch pipe I;

[0018] 121-strip-shaped gas distributor, 131-circular gas distributor;

[0019] 1211-strip pipe, 1212-gas outlet head I;

[0020] 1311-connection pipe, 1312-ring pipe, 1313-gas outlet head II. DETAILED DESCRIPTION

[0021] The specific embodiments of the utility model will be further described below in combination with the drawings. It needs to be explained here that the description of these embodiments is used to help understanding the utility model, but does not constitute the limitation of the utility model. In addition, the technical features involved in each embodiment of the utility model described below can be combined with each other as long as they do not conflict with each other.

[0022] A phosphoric acid automatic dilution conveying and liquid level automatic control system, referring to Figs. 1-3As shown, it comprises a phosphoric acid storage tank 1, a dilution tank 2, a horizontal gas sending tank 3, a squeezing storage tank 4, a gas pump 5, a controller 6; the phosphoric acid storage tank 1, the dilution tank 2, the horizontal gas sending tank 3, the squeezing storage tank 4 are communicated in sequence through pipeline I 10, pipeline II 11, pipeline III 12; the gas pump 5 is communicated with branch pipe I 17, branch pipe II 13, branch pipe III 14 through gas pipe 7; branch pipe I 17, branch pipe II 13, branch pipe III 14 are communicated with the phosphoric acid storage tank 1, the dilution tank 2, the horizontal gas sending tank 3 respectively and the gas outlet ends are located at the bottom of the phosphoric acid storage tank 1, the dilution tank 2, the horizontal gas sending tank 3; the phosphoric acid storage tank 1, the dilution tank 2, the horizontal gas sending tank 3, the squeezing storage tank 4 are all provided with liquid level meters 8; the pipeline I 10 is communicated with a water inlet pipe 9; the pipeline I 10, the pipeline II 11, the pipeline III 12, the branch pipe I 17, the branch pipe II 13, the branch pipe III 14 are all provided with automatic valves 15; the controller 6 is electrically connected with the automatic valves 15 and the liquid level meters 8 respectively; the automatic valve 15 on the pipeline I 10 between the water inlet pipe 9 and the dilution tank 2.

[0023] It should be noted that the phosphoric acid storage tank 1 is used for storing 50% concentration phosphoric acid; the dilution tank 2 can be used to dilute the 50% concentration phosphoric acid input from the phosphoric acid storage tank 1 by water; the horizontal gas sending tank 3 can be used to input the diluted phosphoric acid into the squeezing storage tank 4 and the automatic valve 15 is controlled to open by the controller 6 to realize the automatic control of the liquid level; the gas pump 5 is a bubble gas source and is a prior art; the controller 6 can receive the signal of the liquid level meter 8 and control the automatic valve 15 to open and close; the pipeline I 10, the pipeline II 11, the pipeline III 12 can ensure the communication of each component; the branch pipe I 17, the branch pipe II 13, the branch pipe III 14 can facilitate the gas to enter the phosphoric acid storage tank 1, the dilution tank 2, the horizontal gas sending tank 3 for bubbling; the liquid level meter 8 can detect the liquid level in each component and is a prior art, the application can also use a guided wave radar liquid level meter; the pneumatic valve 15 adopts a model of Q641F.

[0024] Specifically, in order to facilitate the uniformity of the internal bubbling of the horizontal type tank body, the branch pipe I 17 and the branch pipe III 14 are connected with a strip-shaped gas distributor 121.

[0025] Specifically, the strip-shaped gas distributor 121 comprises a strip pipe 1211 and a plurality of gas outlet heads I 1212 uniformly distributed on the strip pipe 1211 and communicated with the strip pipe 1211. The strip pipe 1211 can facilitate the distribution of the gas outlet head I 1212, and the gas outlet head I 1212 can uniformly distribute the gas for bubbling.

[0026] Specifically, in order to facilitate the uniformity of the internal bubbling of the vertical type tank body, the branch pipe II 13 is communicated with a circular gas distributor 131.

[0027] Specifically, the circular gas distributor 131 comprises a connecting pipe 1311, a ring pipe 1312 and a gas outlet head II 1313; the connecting pipe 1311 is communicated with the ring pipe 1312 at both ends; the gas outlet head II 1313 is annularly and uniformly distributed on the ring pipe 1312 and communicated with the ring pipe 1312. The connecting pipe 1311 is used for connection; the ring pipe 1312 facilitates distribution of the gas outlet head II 1313, and the gas outlet head II 1313 can uniformly distribute gas for bubbling.

[0028] Specifically, in order to facilitate maintenance, the pipeline I 10, the pipeline II 11, the pipeline III 12, the branch pipe I 17, the branch pipe II 13 and the branch pipe III 14 are further provided with a manual valve 16.

[0029] Working principle of the utility model:

[0030] The gas pump 5 is controlled by the controller 6 to send gas into the phosphoric acid storage tank 1 from the branch pipe I 17 to bubble the phosphoric acid liquid with precipitate, so that the concentration of the phosphoric acid is uniform and stable; after 10 seconds, when the concentration of the phosphoric acid is stable, the controller 6 is used to open the automatic valve 15 on the pipeline I 10 to pass a predetermined amount of phosphoric acid into the dilution tank 2; when the predetermined amount of phosphoric acid is reached, the automatic valve 15 on the pipeline I 10 is closed, the automatic valve 15 on the water inlet pipe 9 is opened to add a predetermined amount of water and perform bubbling and dilution; after dilution reaches the standard, the dilution tank 2 is connected to the horizontal gas sending tank 3 through the pipeline II 11, and then the dilution tank 2 is connected to the squeezing storage tank 4; the controller 6 is used to control the pipeline III 12 to control the amount of diluted phosphoric acid sent into the squeezing storage tank 4 to realize liquid level control of the squeezing storage tank 4; the gas pump 5 is used to send gas into the phosphoric acid storage tank 1, the dilution tank 2 and the horizontal gas sending tank 3 through the branch pipe I 17, the branch pipe II 13 and the branch pipe III 14, so that the concentration of the phosphoric acid is effectively ensured to be stable and precipitation is prevented; the controller 6 is used to control the automatic valve 15, so that the amount of diluted phosphoric acid sent into the squeezing storage tank 4 is effectively controlled to realize liquid level control. After dilution, the value of the phosphoric acid is stable, the error is within 1%, there is no leakage on site, control is safe and reliable, and the dilution concentration is 20%.

[0031] The embodiments of the utility model are described in detail in combination with the drawings, but the utility model is not limited to the described embodiments. For those skilled in the art, various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, and still fall within the protection scope of the utility model.

Claims

1. A phosphoric acid automatic dilution, delivery and liquid level automatic control system, characterized by: The invention comprises a phosphoric acid storage tank (1), a dilution tank (2), a horizontal air delivery tank (3), a squeezing storage tank (4), an air pump (5), and a controller (6); the phosphoric acid storage tank (1), the dilution tank (2), the horizontal air delivery tank (3), and the squeezing storage tank (4) are connected in sequence through a pipeline I (10), a pipeline II (11), and a pipeline III (12); the air pump (5) is connected to a branch pipe I (17), a branch pipe II (13), and a branch pipe III (14) through an air pipe (7); the branch pipe I (17), the branch pipe II (13), and the branch pipe III (14) are connected to the phosphoric acid storage tank (1), the dilution tank (2), and the horizontal air delivery tank (3), respectively, and the gas outlet ends are located at the phosphoric acid storage tank (1), The dilution tank (2) and the bottom of the horizontal air delivery tank (3) are connected; the phosphoric acid storage tank (1), the dilution tank (2), the horizontal air delivery tank (3), and the squeezing storage tank (4) are all provided with a liquid level gauge (8); the pipeline I (10) is connected with a water inlet pipe (9); the pipeline I (10), the pipeline II (11), the pipeline III (12), the branch pipe I (17), the branch pipe II (13), and the branch pipe III (14) are all provided with an automatic valve (15); the controller (6) is electrically connected to the automatic valve (15) and the liquid level gauge (8) respectively; the water inlet pipe (9) is located on the pipeline I (10) between the automatic valve (15) on the pipeline I (10) and the dilution tank (2).

2. The automatic dilution, delivery and liquid level control system for phosphoric acid according to claim 1, characterized in that: The gas outlet ends of the branch pipe I (17) and the branch pipe III (14) are connected to a strip-shaped gas distributor (121).

3. The automatic dilution, delivery and liquid level control system for phosphoric acid according to claim 2, characterized in that: The strip-shaped gas distributor (121) comprises a strip tube (1211) and a plurality of gas outlet heads I (1212) evenly distributed on the strip tube (1211) and connected to the strip tube (1211).

4. The automatic dilution, delivery and liquid level control system for phosphoric acid according to claim 1, characterized in that: The branch pipe II (13) is connected to a circular gas distributor (131).

5. The automatic dilution, delivery and liquid level control system for phosphoric acid according to claim 4, characterized in that: The circular gas distributor (131) comprises a connecting pipe (1311), an annular pipe (1312), and a gas outlet head II (1313); both ends of the connecting pipe (1311) are connected to the annular pipe (1312); the gas outlet head II (1313) is evenly distributed in an annular shape on the annular pipe (1312) and is connected to the annular pipe (1312).

6. The automatic phosphoric acid dilution, delivery and liquid level control system according to any one of claims 1 to 5, characterized in that: Manual valves (16) are also provided on the pipeline I (10), pipeline II (11), pipeline III (12), branch pipe I (17), branch pipe II (13), and branch pipe III (14).

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