CN218554024U

CN218554024U - Hydrochloric acid feeding device

Info

Publication number: CN218554024U
Application number: CN202222480170.7U
Authority: CN
Inventors: 陈藤伟; 李帮; 邹权林; 陈应红
Original assignee: Qingyuan Collintec New Materials Co ltd
Current assignee: Qingyuan Collintec New Materials Co ltd
Priority date: 2022-09-19
Filing date: 2022-09-19
Publication date: 2023-03-03
Anticipated expiration: 2032-09-19

Abstract

The utility model belongs to the technical field of the chemical industry article preparation, specifically disclose a hydrochloric acid feed arrangement, it includes: the device comprises a storage box, a discharge pipe, a feeding pipe, an overflow pipe and a leakage-proof groove; a storage cavity is arranged in the storage box, the discharge pipe is provided with a discharge valve, one side of the storage box is provided with an overflow port, and the upper side of the anti-leakage groove is provided with an anti-leakage cavity with an opening; the storage box is placed in the leak-proof cavity, and an accommodating gap is formed between the storage box and the bottom of the leak-proof groove. Hydrochloric acid enters a storage cavity of the storage box from the hydrochloric acid room through the feeding pipe for temporary storage, and the overflow pipe is arranged to ensure that the liquid levels of the hydrochloric acid in the storage cavity are consistent and the unloading pressure is the same; and then, the opening of a valve of a discharge valve is adjusted according to the hydrochloric acid feeding rate of the bismuth oxychloride preparation reaction kettle, the feeding speed and the flow of hydrochloric acid are controlled, so that the crystal form and the granularity of the prepared bismuth oxychloride are controlled, manual cooperation is not needed, the labor cost is reduced, the operation safety risk is reduced, and the product quality is ensured.

Description

Hydrochloric acid feeding device

Technical Field

The utility model relates to a chemical industry article preparation technical field especially relates to a hydrochloric acid feed arrangement.

Background

Strong acid liquids such as hydrochloric acid, sulfuric acid, nitric acid and the like are widely used for synthesis and preparation of chemical products, for example, in a preparation process of chemical products, bismuth oxychloride is prepared by reacting a bismuth nitrate solution with a hydrochloric acid liquid; wherein, in the whole chemical reaction process, the feeding speed and the flow of the hydrochloric acid directly influence the crystal form and the granularity of the bismuth oxychloride. In the traditional operating conditions, hydrochloric acid is generally added in a manual mode, the feeding rate of the hydrochloric acid is difficult to control, the difficulty of controlling the crystal form and the granularity of a product is greatly increased, and the quality control of the product is not facilitated; secondly, hydrochloric acid is an extremely dangerous strong corrosive liquid, and manual operation has great operation safety risk.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: the utility model provides a hydrochloric acid feed arrangement to adopt artifical mode to add hydrochloric acid among the solution prior art, the feed rate of hydrochloric acid is difficult to control, is unfavorable for product quality control, and manual operation has the technical problem of very big operation safety risk moreover.

In order to achieve the above object, the utility model provides a hydrochloric acid feed arrangement, it includes: the device comprises a storage box, a discharge pipe, a feeding pipe, an overflow pipe and a leakage-proof groove; a material storage cavity is arranged in the material storage box, a feeding valve is arranged on the feeding pipe, the feeding pipe is connected with the upper part of the material storage box, and the feeding pipe is communicated with the upper part of the material storage cavity; the discharge pipe is provided with a discharge valve, the discharge pipe is connected with the bottom of the material storage box, and the discharge pipe is communicated with the bottom of the material storage cavity; an overflow port is formed in one side of the material storage box and is communicated with the material storage cavity, the overflow port is located in the upper half part of the material storage cavity, and the overflow pipe is communicated with the overflow port; an anti-leakage cavity with an opening is arranged on the upper side of the anti-leakage groove; the storage box is placed in the leak protection intracavity, just the storage box with form between the tank bottom of leak protection groove and hold the clearance.

Preferably, the bottom of the leakage-proof groove is provided with a mounting hole, and the discharge pipe penetrates through the leakage-proof groove through the mounting hole.

Preferably, the method further comprises the following steps: a plurality of support pads; the supporting cushion block is positioned between the bottom of the storage box and the bottom of the leakage-proof groove, and the top surface of the supporting cushion block is abutted to the storage box; the supporting cushion block is arranged on the groove bottom of the leakage-proof groove.

Preferably, the method further comprises the following steps: a plurality of connecting blocks; the opening edge of the leakage-proof groove is connected with the side wall of the storage box through the connecting block.

Preferably, the method further comprises the following steps: a return pipe; the return pipe is communicated with the overflow pipe, and a return valve is arranged on the return pipe.

Preferably, an emptying pipe is arranged at the bottom of the leakage-proof groove and communicated with the accommodating gap; the emptying pipe is communicated with the return pipe and is provided with an emptying valve.

Preferably, the outlet of the evacuation pipe is located on the inlet side of the return valve.

Preferably, the overflow pipe is provided with an exhaust branch pipe, the exhaust branch pipe is arranged upwards, and the exhaust branch pipe is provided with an exhaust valve.

Preferably, the height of the top of the leakage preventing groove is less than the height of the overflow port.

Preferably, the shape of the storage bin is square.

The utility model provides a hydrochloric acid feed arrangement, its beneficial effect is: hydrochloric acid enters a storage cavity of the storage box from a hydrochloric acid room through a feeding pipe for temporary storage, and the overflow pipe and the overflow port are normally open, so that when the hydrochloric acid in the storage cavity is filled, the liquid level of the hydrochloric acid in the storage cavity can be ensured to be consistent, the unloading pressure is ensured to be the same, and the flow speed of unloading can be conveniently controlled; and when the overflow pipe begins to overflow, the feeding valve is closed, then the valve opening of the discharging valve is adjusted according to the hydrochloric acid feeding rate of the bismuth oxychloride preparation reaction kettle, and the feeding speed and the flow of hydrochloric acid are controlled to control the crystal form and the granularity of the prepared bismuth oxychloride so as to produce the desired crystal form and the granularity of the bismuth oxychloride. Therefore, the whole hydrochloric acid charging process does not need manual cooperation, the labor cost is reduced, the operation safety risk is reduced, the feeding rate and the flow of the hydrochloric acid can be better controlled in the preparation of the bismuth oxychloride, and the production quality of products is ensured.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

FIG. 1 is a schematic diagram of a partially exploded structure of a hydrochloric acid feed device according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a top view of a hydrochloric acid feeding device according to an embodiment of the present invention.

In the figure, 100, a storage bin; 110. a material storage cavity; 120. an overflow port; 200. a discharge pipe; 210. a discharge valve; 300. a feed pipe; 310. a feed valve; 400. an overflow pipe; 410. an exhaust branch pipe; 420. an exhaust valve; 500. a leakage-proof groove; 510. a leakage-proof cavity; 520. a receiving gap; 530. emptying the pipe; 540. an evacuation valve; 600. supporting the cushion block; 700. connecting blocks; 800. a return pipe; 810. and a reflux valve.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does 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 thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If there is a description of first and second for the purpose of distinguishing technical features only, this is not to be understood as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to fig. 2, a hydrochloric acid feeding device according to an embodiment of the present invention will be described.

Referring to fig. 1 and 2, the utility model discloses hydrochloric acid feed arrangement, it includes: the material storage tank 100, the discharge pipe 200, the feeding pipe 300, the overflow pipe 400 and the leakage-proof groove 500; the storage cavity 110 is arranged in the storage box 100, the feed pipe 300 is provided with a feed valve 310, the feed pipe 300 is connected with the upper part of the storage box 100, and the feed pipe 300 is communicated with the upper part of the storage cavity 110; the discharge pipe 200 is provided with a discharge valve 210, the discharge pipe 200 is connected with the bottom of the storage box 100, and the discharge pipe 200 is communicated with the bottom of the storage cavity 110; an overflow port 120 is formed in one side of the storage tank 100, the overflow port 120 is communicated with the storage cavity 110, the overflow port 120 is located at the upper half part of the storage cavity 110, and the overflow pipe 400 is communicated with the overflow port 120; the upper side of the leakage preventing groove 500 is provided with a leakage preventing cavity 510 with an opening; the storage bin 100 is placed in the leakage-proof chamber 510, and a receiving gap 520 is formed between the storage bin 100 and the bottom of the leakage-proof tank 500.

The feed end of the feed tube 300 is used to connect to a hydrochloric acid chamber that provides sufficient hydrochloric acid. Hydrochloric acid in the hydrochloric acid chamber can be conveyed to the storage cavity 110 of the storage box 100 through the feeding pipe 300 for temporary storage, and the hydrochloric acid in the storage cavity 110 can be conveyed to the preparation reaction kettle of bismuth oxychloride through the discharging pipe 200 for reaction. Wherein, through setting up overflow mouth 120, when the volume of hydrochloric acid addition was too much, unnecessary hydrochloric acid can flow out through overflow mouth 120, then through overflow pipe 400, returns the hydrochloric acid room and collects, then can prevent that the volume of hydrochloric acid addition is too much, makes hydrochloric acid keep certain liquid level in storage cavity 110, guarantees that the pressure of unloading is unanimous to control the flow and the velocity of flow of hydrochloric acid. Secondly, during discharging, the feeding rate of the hydrochloric acid into the preparation reaction kettle of the bismuth oxychloride can be controlled by controlling the opening of the discharge valve 210, so as to control the crystal form and the granularity of the prepared bismuth oxychloride, and produce the desired crystal form and granularity of the bismuth oxychloride. The accommodating gap 520 between the leakage-proof groove 500 and the storage box 100 is used for bearing hydrochloric acid leaked out of the storage box 100 due to the fit gap, so that the hydrochloric acid is prevented from being leaked in a workshop environment, the use safety is ensured, and the hydrochloric acid is prevented from corroding and injuring human bodies or other equipment.

When the hydrochloric acid storage tank is used, the feeding valve 310 is opened, the discharging valve 210 is closed, the hydrochloric acid passes through the feeding pipe 300 from the hydrochloric acid room and enters the storage cavity 110 of the storage tank 100 for temporary storage, and the overflow pipe 400 and the overflow port 120 are normally opened, so that when the hydrochloric acid in the storage cavity 110 is filled, the liquid levels of the hydrochloric acid in the storage cavity 110 can be ensured to be consistent, the discharging pressure is ensured to be the same, and the discharging flow and the flow speed can be conveniently controlled; after the overflow pipe 400 starts to overflow, the feeding valve 310 is closed, and then the valve opening of the discharging valve 210 is adjusted according to the hydrochloric acid feeding rate of the bismuth oxychloride preparation reaction kettle, so as to control the feeding speed and the flow rate of the hydrochloric acid, so as to control the crystal form and the particle size of the prepared bismuth oxychloride, and to produce the desired crystal form and the particle size of the bismuth oxychloride. Therefore, the whole hydrochloric acid charging process does not need manual cooperation, the labor cost is reduced, the operation safety risk is reduced, the feeding rate and the flow of the hydrochloric acid can be better controlled in the preparation of the bismuth oxychloride, and the production quality of products is ensured.

In a preferred embodiment of the present invention, referring to fig. 1 and 2, the bottom of the leakage preventing groove 500 is provided with a mounting hole through which the discharge pipe 200 passes through the leakage preventing groove 500. That is, the discharge tube 200 penetrates the leakage preventing groove 500, and the fit clearance between the discharge tube 200 and the leakage preventing groove 500 can be filled with a sealing filler such as glue. In addition, the discharge pipe 200 and the leakage-proof groove 500 can be integrally formed through a mold, so that the occurrence of fit clearance is avoided.

In a preferred embodiment of the present invention, referring to fig. 1 and 2, the hydrochloric acid feeding device further includes: a plurality of lip pads 600; the supporting cushion block 600 is positioned between the bottom of the storage box 100 and the bottom of the leakage-proof groove 500, and the top surface of the supporting cushion block 600 is abutted against the storage box 100; the lip block 600 is disposed on the groove bottom of the leakage preventing groove 500. By arranging the supporting cushion blocks 600, the storage bin 100 can be directly arranged in the leakage-proof groove 500, and the leakage-proof groove 500 is adopted to support the storage bin 100. Wherein the lip block 600 does not fill the receiving gap 520 so that hydrochloric acid flows in the receiving gap 520.

In the preferred embodiment of the present invention, referring to fig. 1 and 2, the hydrochloric acid feeding device further includes: a plurality of connection blocks 700; the opening edge of the leakage preventing groove 500 is connected to the side wall of the storage bin 100 by a connection block 700. The connecting block 700 connects the opening edge of the leakage-proof tank 500 and the sidewall of the storage tank 100 to increase the connection strength between the storage tank 100 and the leakage-proof tank 500, and a gap is formed between the tank edge of the leakage-proof tank 500 and the sidewall of the storage tank 100, so that the hydrochloric acid can flow through the gap and enter the accommodating gap 520.

In the preferred embodiment of the present invention, referring to fig. 1 and 2, the hydrochloric acid feeding device further includes: a return pipe 800; the return pipe 800 is communicated with the overflow pipe 400, and a return valve 810 is arranged on the return pipe 800. The reflux valve 810 is normally open, so that the hydrochloric acid flowing out of the overflow pipe 400 can flow back to the hydrochloric acid room through the reflux pipe 800, so that the overflowed hydrochloric acid can be collected and recycled, and the utilization rate of the raw materials is improved.

In the preferred embodiment of the present invention, referring to fig. 1 and 2, the bottom of the leakage preventing groove 500 is provided with an emptying pipe 530, and the emptying pipe 530 is communicated with the accommodating gap 520; the evacuation pipe 530 is communicated with the return pipe 800, and the evacuation pipe 530 is provided with an evacuation valve 540. The evacuation valve 540 is normally closed, when the accommodating gap 520 in the leakage-proof tank 500 carries more hydrochloric acid, the evacuation valve 540 can be opened, and the hydrochloric acid will flow through the evacuation pipe 530 and the return pipe 800 and flow back to the hydrochloric acid room for collection for reuse.

In the preferred embodiment of the present invention, referring to fig. 1 and 2, the outlet of the emptying pipe 530 is located at the inlet side of the backflow valve 810, so that after the backflow valve 810 and the emptying valve 540 are opened, the hydrochloric acid collected by the leakage-proof tank 500 can be discharged from the backflow pipe 800, and the hydrochloric acid in the leakage-proof tank 500 is prevented from being discharged at will.

In a preferred embodiment of the present invention, referring to fig. 1 and 2, the overflow pipe 400 is provided with an exhaust branch pipe 410, the exhaust branch pipe 410 is disposed upward, and the exhaust branch pipe 410 is provided with an exhaust valve 420. The discharge valve 420 is opened when the storage cavity 110 discharges, and the storage cavity 110 is communicated with the outside air through the overflow port 120, the overflow pipe 400 and the discharge branch pipe 410, so that the pressure in the storage cavity 110 is balanced, and the hydrochloric acid in the storage cavity 110 is conveniently discharged through the discharge pipe 200.

In the preferred embodiment of the present invention, referring to fig. 1 and 2, the height of the top of the leakage preventing groove 500 is less than the height of the overflow port 120, so that the cooperation between the leakage preventing groove 500 and the overflow pipe 400 can be reduced, and the installation and assembly can be performed rapidly.

In the preferred embodiment of the present invention, referring to fig. 1 and 2, the storage bin 100 is square, the corresponding leakage-proof groove 500 is also square, the square storage bin 100 and the leakage-proof groove 500 are convenient to manufacture, the process is simple, the cost is low, and the storage bin 100 and the leakage-proof groove 500 are suitable for being used as the storage bin 100 and the leakage-proof groove 500 of the present embodiment.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be considered as the protection scope of the present invention.

Claims

1. A hydrochloric acid feed apparatus, comprising: the device comprises a storage box, a discharge pipe, a feeding pipe, an overflow pipe and a leakage-proof groove; a material storage cavity is arranged in the material storage box, a feeding valve is arranged on the feeding pipe, the feeding pipe is connected with the upper part of the material storage box, and the feeding pipe is communicated with the upper part of the material storage cavity; the discharge pipe is provided with a discharge valve, the discharge pipe is connected with the bottom of the material storage box, and the discharge pipe is communicated with the bottom of the material storage cavity; an overflow port is arranged on one side of the material storage box and is communicated with the material storage cavity, the overflow port is positioned at the upper half part of the material storage cavity, and the overflow pipe is communicated with the overflow port; the upper side of the leakage-proof groove is provided with a leakage-proof cavity with an opening; the storage box is placed the leak protection intracavity, just the storage box with form the accommodation gap between the tank bottom of leak protection groove.

2. The hydrochloric acid feeding device of claim 1, wherein a mounting hole is provided at the bottom of the leakage-proof tank, and the discharge pipe penetrates through the leakage-proof tank through the mounting hole.

3. The hydrochloric acid feeding device according to claim 1, further comprising: a plurality of support pads; the supporting cushion block is positioned between the bottom of the material storage box and the bottom of the leakage-proof groove, and the top surface of the supporting cushion block is abutted to the material storage box; the supporting cushion block is arranged on the groove bottom of the anti-leakage groove.

4. The hydrochloric acid feeding device according to claim 1, further comprising: a plurality of connecting blocks; the opening edge of the leakage-proof groove is connected with the side wall of the storage box through the connecting block.

5. The hydrochloric acid feeding device of claim 1, further comprising: a return pipe; the return pipe is communicated with the overflow pipe, and a return valve is arranged on the return pipe.

6. The hydrochloric acid feeding device of claim 5, wherein an emptying pipe is arranged at the bottom of the leakage-proof groove, and the emptying pipe is communicated with the accommodating gap; the emptying pipe is communicated with the return pipe and is provided with an emptying valve.

7. The hydrochloric acid feeding device as claimed in claim 6, wherein the outlet of the evacuation pipe is located at the inlet side of the return valve.

8. The hydrochloric acid feeding means of any of claims 1 to 7, characterized in that the overflow pipe is provided with a vent branch, which is directed upwards and is provided with a vent valve.

9. The hydrochloric acid feeding device according to any of claims 1 to 7, characterized in that the height of the top of the leak-proof tank is smaller than the height of the overflow opening.

10. The hydrochloric acid feeding device according to any of claims 1 to 7, characterized in that the storage bin is square in shape.