KOH solution concentration device

Abstract

The utility model relates to a KOH (potassium hydroxide) solution concentration device, which belongs to the technical field of KOH solution concentration and comprises a potassium hydroxide alkali solution concentrator body, a liquid inlet short section, a barrel and a falling film tube, and the liquid inlet short section, the barrel and the falling film tube are arranged on the potassium hydroxide alkali solution concentrator body. A plurality of partition plates are fixedly connected to the interior of the connecting bin, a connecting pipe with one end penetrating through the connecting bin and extending to the barrel is fixedly connected to the inner bottom wall of the connecting bin, and a plurality of conveying pipes with one ends penetrating through the connecting bin and extending into the connecting pipe are fixedly connected to the interior of the connecting pipe. According to the concentration device of the KOH solution, under the action of the concentration detector, a worker can conveniently detect the concentration of the KOH solution, under the action of the partition plate, the KOH solution is subjected to partition detection, the detection efficiency is improved, meanwhile, under the action of the connecting pipe, the KOH solution is conveyed, and the concentration efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to KOH solution concentration technical field, concretely is a kind of KOH solution's concentration device. BACKGROUND

[0002] KOH solution, commonly known as caustic potash, is an inorganic compound, chemical formula is KOH, potassium hydroxide has strong alkaline, and the pH value of its 0.1 mol / L solution is 13.5, shows strong alkaline, it is dissolved in water and ethanol, and absorbs moisture and carbon dioxide in air, has strong corrosive and hygroscopic, potassium hydroxide is a white or yellowish easy hygroscopic solid, mainly used to manufacture potassium salt and other chemicals.

[0003] A kind of corrosion-resistant novel high-concentration potassium hydroxide lye concentrator is disclosed in Chinese patent CN218686386U, the patent discloses the technical scheme of corrosion resistance, solves the membrane device in the falling film evaporator of existing, all do not take anticorrosive measures, and the position of heat exchange tube closer to lower tube plate is more serious in washing corrosion, which also leads to the part more easily leak, affect production safety and economic benefit problem.

[0004] The device, when in use, lye is heated by heating medium molten salt, temperature gradually rises, until starting to boil, water content in film boiling lye reduces, concentration gradually rises, finally lye concentration reaches more than 90%, but, KOH solution is not convenient to detect after concentration, and then cannot be quickly separated, reduce concentration efficiency, therefore a kind of KOH solution's concentration device is presented to solve the above problems. UTILITY MODEL CONTENT

[0005] In view of the deficiencies of the prior art, the utility model provides a kind of KOH solution's concentration device, with the advantage of convenient detection, solve the device when in use, lye is heated by heating medium molten salt, temperature gradually rises, until starting to boil, water content in film boiling lye reduces, concentration gradually rises, finally lye concentration reaches more than 90%, but, KOH solution is not convenient to detect after concentration, and then cannot be quickly separated, reduce concentration efficiency problem.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of KOH solution's concentration device, including potassium hydroxide lye concentrator body and the liquid inlet nipple, cylinder and falling film tube being set on potassium hydroxide lye concentrator body, the inside fixedly connected with connecting bin of cylinder.

[0007] The inside of the connecting bin is fixedly connected with a plurality of partitions, the inner bottom wall of the connecting bin is fixedly connected with a connecting pipe penetrating through the connecting bin and extending to the cylinder, the inside of the connecting pipe is fixedly connected with a plurality of delivery pipes penetrating through the connecting bin and extending to the inside thereof, the inside of each of the plurality of delivery pipes is fixedly installed with a first electromagnetic valve, the top of the connecting bin is placed with a plurality of concentration detectors extending to the inside of the connecting bin, the inside of the connecting bin is fixedly connected with a filter plate, and the top surface of the filter plate is fixedly embedded with a filter screen.

[0008] The cylinder is provided with a delivery assembly to pump the solution.

[0009] Further, the connecting bin is a hollow cuboid with a missing top surface, the plurality of delivery pipes are fixedly connected with the connecting bin, and the falling film pipe is covered by the connecting bin.

[0010] Further, the plurality of partitions and the plurality of delivery pipes are cross-distributed, and the plurality of first electromagnetic valves are located at the bottom of the connecting bin.

[0011] Further, the filter plate is located at the left side of the partition, and the filter plate is fixedly connected with the leftmost partition.

[0012] Further, the delivery assembly comprises a liquid pumping pump fixedly installed on the right side surface of the cylinder, a liquid inlet pipe penetrating through the cylinder and extending to the top of the connecting bin is fixedly installed at the liquid inlet end of the liquid pumping pump, a liquid outlet pipe penetrating through the liquid inlet nipple and extending to the inside thereof is fixedly installed at the liquid outlet end of the liquid pumping pump, a sealing plate is fixedly connected in the inside of the liquid inlet pipe, a plurality of collection pipes extending to the inside of the connecting bin are fixedly connected to the inner bottom wall of the liquid inlet pipe, a plurality of concentration detectors are fixedly installed on the collection pipes, a plurality of second electromagnetic valves are fixedly installed on the outer peripheral wall of the collection pipes, and two third electromagnetic valves are fixedly installed on the outer peripheral wall of the liquid outlet pipe.

[0013] Further, the plurality of collection pipes and the plurality of delivery pipes are cross-distributed, and the adjacent second electromagnetic valves and concentration detectors are electrically connected.

[0014] Further, the liquid outlet pipe is fixedly connected with the liquid inlet nipple, and the liquid inlet pipe is fixedly connected with the cylinder.

[0015] Further, the liquid outlet pipe is a T-shaped pipe, and the two third electromagnetic valves are distributed above and below with the liquid inlet pipe as the center.

[0016] Compared with the prior art, the technical scheme of the present application has the following beneficial effects:

[0017] 1. The KOH solution concentration device, through the action of the concentration detector, the staff can detect the concentration of KOH solution, through the action of the partition, the KOH solution is detected in partition, the detection efficiency is improved, and through the action of the connecting pipe, the KOH solution is transported, the concentration efficiency is improved;

[0018] 2. The KOH solution concentration device, through the action of the liquid pump, the KOH solution is pumped, the staff can operate, through the action of the filter screen, the KOH solution is conveniently filtered, and through the action of the first electromagnetic valve, the second electromagnetic valve and the third electromagnetic valve, the discharge of the KOH solution is controlled, the automatic operation is realized, and the device is more convenient and practical. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structure schematic view of the utility model;

[0020] Figure 2 It is Figure 1 It is an enlarged schematic view of the internal structure of the connecting bin;

[0021] Figure 3 It is an enlarged schematic view of the internal structure of the connecting bin in the structure of the utility model;

[0022] Figure 4 It is a top view schematic view of the connecting bin in the structure of the utility model.

[0023] In the drawing: 1, KOH lye concentrator body, 2, liquid inlet nipple, 3, liquid outlet pipe, 4, cylinder, 5, liquid inlet pipe, 6, liquid pump, 7, connecting bin, 8, falling film pipe, 9, filter plate, 10, filter screen, 11, connecting pipe, 12, partition, 13, first electromagnetic valve, 14, conveying pipe, 15, collecting pipe, 16, concentration detector, 17, second electromagnetic valve, 18, third electromagnetic valve, 19, sealing plate. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0025] Embodiment one: please refer to Figures 1 to 4 The KOH solution concentration device in the embodiment comprises a KOH lye concentrator body 1 and a liquid inlet nipple 2, a cylinder 4 and a falling film pipe 8 arranged on the KOH lye concentrator body 1. The inside of the cylinder 4 is fixedly connected with a connecting bin 7.

[0026] The inside of the connecting bin 7 is fixedly connected with a plurality of partitions 12, the inner bottom wall of the connecting bin 7 is fixedly connected with a connecting pipe 11 which penetrates the connecting bin 7 and extends to the cylinder body 4, the inside of the connecting pipe 11 is fixedly connected with a plurality of delivery pipes 14 which penetrate the connecting bin 7 and extend to the inside thereof, the inside of each of the plurality of delivery pipes 14 is fixedly installed with a first electromagnetic valve 13, the top of the connecting bin 7 is placed with a plurality of concentration detectors 16 which extend to the inside of the connecting bin 7, the inside of the connecting bin 7 is fixedly connected with a filter plate 9, and the top surface of the filter plate 9 is fixedly embedded with a filter screen 10.

[0027] The connecting bin 7 is a hollow cuboid with a missing top surface, the plurality of delivery pipes 14 are fixedly connected with the connecting bin 7, the falling film pipe 8 is covered by the connecting bin 7, the plurality of partitions 12 and the plurality of delivery pipes 14 are cross-distributed, the plurality of first electromagnetic valves 13 are located at the bottom of the connecting bin 7, the filter plate 9 is located at the left side of the partition 12, and the filter plate 9 is fixedly connected with the leftmost partition 12.

[0028] It should be noted that the potassium hydroxide lye concentrator body 1 and the concentration detector 16 are conventional devices known to the public in the prior art, and the specific structure and working principle thereof will not be described herein.

[0029] Specifically, after the potassium hydroxide lye is concentrated, it is delivered through the falling film pipe 8 and enters the inside of the connecting bin 7, the potassium hydroxide lye falls on the filter plate 9, the potassium hydroxide lye is filtered through the action of the filter screen 10, the first electromagnetic valve 13 is then started, the potassium hydroxide lye is delivered into the right side of the connecting bin 7 through the delivery of the connecting pipe 11 and the delivery pipe 14, and the concentration of the potassium hydroxide lye is detected through the action of the concentration detector 16.

[0030] Example two: please refer to Figures 1 to 4 In this embodiment, on the basis of example one, a delivery assembly is arranged on the cylinder body 4, the delivery assembly includes a liquid pumping pump 6, the liquid pumping pump 6 is fixedly installed on the right side surface of the cylinder body 4, the liquid inlet end of the liquid pumping pump 6 is fixedly installed with a liquid inlet pipe 5 which penetrates the cylinder body 4 and extends to the top of the connecting bin 7, the liquid outlet end of the liquid pumping pump 6 is fixedly installed with a liquid outlet pipe 3 which penetrates the liquid inlet short joint 2 and extends to the inside thereof, the inside of the liquid inlet pipe 5 is fixedly connected with a sealing plate 19, the inner bottom wall of the liquid inlet pipe 5 is fixedly connected with a plurality of collection pipes 15 which extend to the inside of the connecting bin 7, a plurality of concentration detectors 16 are fixedly installed on the collection pipes 15, a plurality of second electromagnetic valves 17 are fixedly installed on the outer peripheral wall of the collection pipes 15, and two third electromagnetic valves 18 are fixedly installed on the outer peripheral wall of the liquid outlet pipe 3.

[0031] The multiple collecting pipes 15 and the multiple conveying pipes 14 are cross-distributed, the adjacent second electromagnetic valves 17 and the concentration detector 16 are electrically connected, the liquid outlet pipe 3 and the liquid inlet short section 2 are fixedly connected, the liquid inlet pipe 5 and the barrel 4 are fixedly connected, the liquid outlet pipe 3 is a T-shaped pipe, and the two third electromagnetic valves 18 are distributed in an upper and lower mode with the liquid inlet pipe 5 as the center.

[0032] It should be noted that the liquid pumping pump 6, the first electromagnetic valve 13, the second electromagnetic valve 17 and the third electromagnetic valve 18 are all conventional devices known to the public in the prior art, and the specific structure and working principle thereof will not be described herein.

[0033] Specifically, after detection, the concentration detector 16 transmits signals to the second electromagnetic valve 17, the third electromagnetic valve 18 and the liquid pumping pump 6, starts the liquid pumping pump 6, and makes the potassium hydroxide lye enter the inside of the liquid outlet pipe 3 through the conveying of the collecting pipe 15 and the liquid inlet pipe 5.

[0034] The working principle of the above embodiment is as follows:

[0035] After the potassium hydroxide lye is concentrated, it enters the inside of the connecting bin 7 through the conveying of the falling film pipe 8, falls on the filter plate 9, is filtered through the action of the filter screen 10, and then the first electromagnetic valve 13 is started, the potassium hydroxide lye is conveyed into the right side of the connecting bin 7 through the conveying of the connecting pipe 11 and the conveying pipe 14, and then the concentration of the potassium hydroxide lye is detected through the action of the concentration detector 16.

[0036] The control mode of the utility model is controlled through the controller, the control circuit of the controller can be realized through simple programming of the person skilled in the art, the provision of the power supply also belongs to the public knowledge in the art, and the utility model is mainly used for protecting the mechanical device, so the control mode and the circuit connection of the utility model will not be explained in detail.

[0037] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the described embodiments. That is, although the present application is described in terms of particular embodiments and implementations, it is to be understood that the terminology used is for the purpose of descriptive clarity and that it is intended to be limited only by the words recited in the appended claims. The scope of the present application shall be limited only by the claims.

[0038] While the embodiments of the present application have been shown and described with respect to particular embodiments thereof, it will be understood by those skilled in the art that various changes in form and details can be made therein without departing from the spirit and scope of the application. Therefore, the scope of the application should not be limited by the embodiments, but should be defined only in accordance with the following claims and their equivalents.

Claims

1. A KOH solution concentration device, comprising a potassium hydroxide lye concentrator body (1) and a liquid inlet nipple (2), a cylinder (4) and a falling film tube (8) arranged on the potassium hydroxide lye concentrator body (1), characterized in that: The inside of the barrel (4) is fixedly connected with a connecting bin (7); The inside of the connecting bin (7) is fixedly connected with a plurality of baffle plates (12), the inner bottom wall of the connecting bin (7) is fixedly connected with a connecting pipe (11) penetrating through the connecting bin (7) and extending to the barrel (4), the inside of the connecting pipe (11) is fixedly connected with a plurality of delivery pipes (14) penetrating through the connecting bin (7) and extending to the inside thereof, the inside of each of the plurality of delivery pipes (14) is fixedly installed with a first electromagnetic valve (13), the top of the connecting bin (7) is placed with a plurality of concentration detectors (16) extending to the inside of the connecting bin (7), the inside of the connecting bin (7) is fixedly connected with a filter plate (9), and the top surface of the filter plate (9) is fixedly embedded with a filter screen (10). The barrel (4) is provided with a delivery assembly for pumping the solution.

2. The device for concentrating KOH solution according to claim 1, characterized in that: The connecting bin (7) is in the shape of a hollow cuboid with the top surface missing, and the plurality of delivery pipes (14) are fixedly connected with the connecting bin (7), and the falling film pipe (8) is covered by the connecting bin (7).

3. A device for concentrating KOH solution according to claim 2, characterized in that: The plurality of baffle plates (12) and the plurality of delivery pipes (14) are cross-distributed, and the plurality of first electromagnetic valves (13) are located at the bottom of the connecting bin (7).

4. The device for concentrating KOH solution according to claim 3, characterized in that: The filter plate (9) is located at the left side of the baffle plate (12), and the filter plate (9) and the leftmost baffle plate (12) are fixedly connected.

5. The device for concentrating KOH solution according to claim 1, characterized in that: The delivery assembly comprises a liquid pumping pump (6) fixedly installed on the right side surface of the barrel (4), the liquid inlet end of the liquid pumping pump (6) is fixedly installed with a liquid inlet pipe (5) penetrating through the barrel (4) and extending to the top of the connecting bin (7), the liquid outlet end of the liquid pumping pump (6) is fixedly installed with a liquid outlet pipe (3) penetrating through the liquid inlet short joint (2) and extending to the inside thereof, the inside of the liquid inlet pipe (5) is fixedly connected with a sealing plate (19), the inner bottom wall of the liquid inlet pipe (5) is fixedly connected with a plurality of collection pipes (15) extending to the inside of the connecting bin (7), the plurality of concentration detectors (16) are fixedly installed on the collection pipes (15), the outer peripheral wall of each of the plurality of collection pipes (15) is fixedly installed with a second electromagnetic valve (17), and the outer peripheral wall of the liquid outlet pipe (3) is fixedly installed with two third electromagnetic valves (18).

6. A device for concentrating KOH solution according to claim 5, characterized in that: The plurality of collection pipes (15) and the plurality of delivery pipes (14) are cross-distributed, and the adjacent second electromagnetic valves (17) and concentration detectors (16) are electrically connected.

7. A device for concentrating KOH solution according to claim 6, characterized in that: The liquid outlet pipe (3) and the liquid inlet short joint (2) are fixedly connected, and the liquid inlet pipe (5) and the barrel (4) are fixedly connected.

8. The device for concentrating KOH solution according to claim 7, characterized in that: The liquid outlet pipe (3) is a T-shaped pipe, and the two third electromagnetic valves (18) are distributed above and below with the liquid inlet pipe (5) as the center.

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