Acid dissolving slag reproduction device

Abstract

The utility model relates to the technical field of acid soluble slag reproduction, in particular to an acid soluble slag reproduction device. The acid soluble slag reproduction device comprises a detection cylinder and an injector, a piston is mounted in the detection cylinder, a branch pipe is fixedly mounted on the middle cylinder wall of the detection cylinder, and a detection reagent is injected into the detection cylinder through the branch pipe by the injector; a check valve group is arranged in the branch pipe, a one-way valve body structure is formed through the check valve group to prevent the solution in the detection cylinder from overflowing and leaking from the branch pipe, and a middle connection assembly is installed on the injector. According to the acid soluble slag reproduction device, the inserting pipe is inserted into the branch pipe, the abutting needle is longer than the inserting pipe, so that the abutting needle is in contact with the plugging ball in advance, after the inserting pipe is inserted into the branch pipe, the abutting needle downwards pushes the plugging ball to drive the plugging ball to slide into the flaring cavity, and at the moment, an injector is used for injecting an acid-base indicator into the detection cylinder; the method is simple and rapid, and has no infection risk.

Description

TECHNICAL FIELD

[0001] The utility model relates to acid leaching residue reproduction technical field especially relates to a kind of acid leaching residue reproduction devices. BACKGROUND

[0002] Rare earth elements have been widely used in petroleum, chemical, metallurgy, textile, ceramic, glass, permanent magnetic material and other fields, with the progress of science and technology and the continuous breakthrough of application technology, the value of rare earth oxides will be higher and higher. In addition, because of the small amount of rare earth and the great demand, it is necessary to recycle and reproduce rare earth. The acid leaching residue and the alkali solution cannot be fully reacted in the current rare earth recycling and reproduction equipment, and waste gas is generated during the reaction of acid leaching residue and alkali solution, which can easily pollute the environment. Therefore, to solve this problem, in the patent document with publication number CN213680827U, the acid leaching residue and the alkali solution are fully contacted and reacted to improve the reaction rate, and the waste gas generated by the reaction of acid leaching residue and alkali solution can be purified and discharged, so that it cannot be known whether the neutralization is complete after the reaction of acid leaching residue and alkali solution, which can easily cause the risk of excessive acid or excessive alkali. If traditional detection methods are used, manual sampling analysis is required, which is low in efficiency and can easily cause secondary pollution hazards during sampling.

[0003] To solve the above problems, it is necessary to add a neutralization detection structure based on the structure of publication number CN213680827U to realize online real-time detection and solve the above technical problems. UTILITY MODEL CONTENT

[0004] To solve the above technical problems, the utility model provides an acid leaching residue reproduction device.

[0005] The acid leaching residue reproduction device provided by the utility model comprises a detection cylinder and a syringe, one end of the detection cylinder is fixedly installed with a connecting flange, a piston is installed in the detection cylinder, a branch pipe is fixedly installed on the middle cylinder wall of the detection cylinder, and a detection reagent is injected into the detection cylinder through the branch pipe by the syringe;

[0006] A flow stop valve group is arranged in the branch pipe, and a one-way valve body structure is formed by the flow stop valve group to prevent the solution in the detection cylinder from overflowing and leaking out of the branch pipe.

[0007] A middle connection assembly is installed on the syringe, the middle connection assembly comprises a sleeve, the sleeve is sleeved on the injection port of the syringe, a plug-in pipe is fixedly installed on the sleeve, an installation ring frame is fixedly installed in the sleeve, and a resisting needle is fixedly installed on the installation ring frame and coaxially arranged with the plug-in pipe and extends out of the plug-in pipe.

[0008] Preferably, the branch tube has a constriction port, a sliding cavity, and a dilating cavity that are sequentially interconnected, and the diameter of the constriction port is smaller than the diameter of the sliding cavity, and the diameter of the dilating cavity is larger than the diameter of the sliding cavity.

[0009] Preferably, the check valve assembly includes a mounting plate frame, which is fixedly installed inside the expansion cavity. The mounting plate frame has multiple annularly distributed flow holes. A sliding rod is inserted into the center of the mounting plate frame and is slidably connected. A sealing ball is fixedly installed on the top of the sliding rod, and a spring is sleeved on the sliding rod.

[0010] Preferably, one end of the spring is fixedly connected to the upper plate surface of the mounting plate, and the other end of the spring is fixedly connected to the lower ball of the sealing ball.

[0011] Preferably, a piston rod is fixedly installed on the piston, and a parallel guide rod is fixedly installed on the outer end of the piston rod. The guide rod is inserted into a T-shaped groove opened in the lower cylinder of the detection cylinder and a T-shaped slider is fixedly installed thereon. The T-shaped slider is slidably connected to the T-shaped groove. A threaded through hole is opened on the T-shaped slider, and a threaded locking screw is inserted into the threaded through hole.

[0012] Preferably, the detection cylinders on both sides of the branch pipe are provided with transparent observation cylinders.

[0013] Preferably, the connecting surface of the connecting flange has a groove, and a filter sheet is installed in the groove.

[0014] Compared with related technologies, the acid slag reprocessing device provided by this utility model has the following advantages:

[0015] This invention uses a syringe equipped with a central assembly to absorb an acid-base indicator. The insertion tube is then inserted into the branch tube. Because the abutment needle is longer than the insertion tube, it pre-contacts the occlusion ball. After the insertion tube is inserted into the branch tube, the abutment needle pushes down on the occlusion ball, causing it to slide into the dilated oral cavity. At this point, the acid-base indicator is injected into the detection tube using the syringe, allowing for online monitoring of whether neutralization has been completed. This method is simple, quick, and carries no risk of infection. Attached Figure Description

[0016] Figure 1 A schematic diagram of a preferred embodiment of the acid slag reprocessing device provided by this utility model;

[0017] Figure 2 for Figure 1 A schematic cross-sectional view of the detection cylinder shown.

[0018] Figure 3 for Figure 2 A cross-sectional enlarged schematic diagram of the branch pipe shown;

[0019] Figure 4 For Figure 2 The structural schematic view of the flow stop valve group is shown in the figure.

[0020] Figure 5 For Figure 1 The sectional structural schematic view of the intermediate connection assembly is shown in the figure.

[0021] Figure 6 For Figure 1 The structural schematic view of the bottom of the detection cylinder is shown in the figure.

[0022] Figure reference: 1, detection cylinder; 1a, T-shaped sliding chute; 11, connecting flange; 11a, groove; 12, transparent observation cylinder part; 13, branch pipe; 13a, sliding cavity; 13b, contraction opening; 13c, expansion cavity; 2, piston; 21, piston rod; 22, guide rod; 23, T-shaped sliding block; 24, locking screw; 3, flow stop valve group; 31, mounting disc frame; 31a, liquid flow hole; 32, sliding rod; 33, blocking ball; 34, spring; 4, syringe; 5, intermediate connection assembly; 51, sleeve; 52, inserted pipe; 53, mounting ring frame; 54, abutting needle; 6, filter sheet. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the utility model more clear and understandable, the following will be further described in detail in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and not to limit the utility model.

[0024] The specific implementation of the utility model will be described in detail in combination with specific examples.

[0025] Please refer to Figures 1 to 6 The acid-soluble slag reproduction device provided by the embodiment of the utility model, the acid-soluble slag reproduction device includes a detection cylinder 1 and a syringe 4, one end of the detection cylinder 1 is fixedly installed with a connecting flange 11, in the patent document with the publication number CN213680827U, a horizontal pipe (located in the middle part of the cylinder body, that is, it can be ensured that the neutralized solution is higher than the horizontal pipe) is installed on the side wall of the cylinder body and communicates with the cylinder body, then a butt flange and a valve (a ball valve or other suitable valve can be used) are installed on the horizontal pipe, then the connecting flange 11 and the butt flange on the horizontal pipe are fixedly connected by using screws.

[0026] In the embodiment of the utility model, please refer to Figures 1 to 6A piston 2 is arranged in the detection cylinder 1, and a piston rod 21 is fixedly arranged on the piston 2; a branch pipe 13 is fixedly arranged on the middle cylinder wall of the detection cylinder 1; a contraction opening 13b, a sliding cavity 13a and an expansion cavity 13c are sequentially and communicatively arranged in the branch pipe 13; the diameter of the contraction opening 13b is smaller than that of the sliding cavity 13a; and the diameter of the expansion cavity 13c is larger than that of the sliding cavity 13a;

[0027] The branch pipe 13 is provided with a stop valve group 3, the stop valve group 3 forms a one-way valve body structure to avoid the solution in the detection cylinder 1 from leaking out of the branch pipe 13, and the stop valve group 3 comprises a mounting disc holder 31, the mounting disc holder 31 is fixedly arranged in the expansion cavity 13c, a plurality of annular liquid flow holes 31a are arranged on the mounting disc holder 31, a sliding rod 32 is arranged in the center of the mounting disc holder 31 in a sliding mode, a sealing ball 33 is fixedly arranged on the top of the sliding rod 32, a spring 34 is arranged on the sliding rod 32, one end of the spring 34 is fixedly connected with the upper disc surface of the mounting disc holder 31, and the other end of the spring 34 is fixedly connected with the lower ball of the sealing ball 33.

[0028] It should be noted that, in the patent document CN213680827U, the valve on the horizontal pipe is closed when the acid residue is neutralized by acid and alkali, the valve on the horizontal pipe is opened after the neutralization reaction is completed, at this time, the piston rod 21 is pulled outwards to form negative pressure in the detection cylinder 1, and then the solution after the reaction enters the detection cylinder 1;

[0029] Due to the elastic force of the spring 34, the sealing ball 33 is driven to be located at the top of the sliding cavity 13a and seal the contraction opening 13b, so that the liquid cannot leak, and the safety of subsequent operation is improved.

[0030] Further, the outer rod head of the piston rod 21 is fixedly arranged with a guide rod 22 arranged in parallel, the guide rod 22 is arranged in a T-shaped sliding groove 1a arranged in the lower cylinder body of the detection cylinder 1 in a sliding mode and is fixedly arranged with a T-shaped sliding block 23, the T-shaped sliding block 23 is in sliding connection with the T-shaped sliding groove 1a, a threaded through hole is arranged on the T-shaped sliding block 23, and a locking screw 24 is arranged in the threaded through hole in a threaded mode, since the guide rod 22 arranged on the piston rod 21 is arranged with the T-shaped sliding block 23 in sliding connection with the T-shaped sliding groove 1a, the stability of the sliding of the piston rod 21 is greatly improved, when the piston 2 slides to a specified position, the T-shaped sliding block 23 can be fixed by tightening the locking screw 24, and the locking of the position of the piston 2 is completed.

[0031] The connecting surface of the connecting flange 11 is arranged with a groove 11a, and the groove 11a is arranged with a filter piece 6, the filter piece 6 is arranged to reduce the impurities in the neutralizing liquid from entering the detection cylinder 1, when the filter piece 6 is replaced, the connecting flange 11 is removed, the filter piece 6 is removed, and then a new filter piece 6 is arranged.

[0032] In the embodiment of the utility model, please refer toFigures 1 to 6 The syringe 4 is provided with a middle connecting assembly 5, the middle connecting assembly 5 comprises a sleeve 51, the sleeve 51 is sleeved on the injection port of the syringe 4, and the sleeve 51 is fixedly provided with a plug-in pipe 52, the sleeve 51 is fixedly provided with a mounting ring 53 in the sleeve 51, and the mounting ring 53 is fixedly provided with a resisting needle 54 which is coaxially arranged with the plug-in pipe 52 and extends out of the plug-in pipe 52.

[0033] The detection cylinder 1 on the two sides of the branch pipe 13 is provided with a transparent observation cylinder part 12.

[0034] It should be noted that: the syringe 4 provided with the middle connecting assembly 5 absorbs an acid-base indicator (such as methyl orange, phenolphthalein, bromothymol blue or other indicators), and then the plug-in pipe 52 is inserted into the branch pipe 13, because the resisting needle 54 is longer than the plug-in pipe 52, so the resisting needle 54 is in contact with the blocking ball 33 in advance, when the plug-in pipe 52 is inserted into the branch pipe 13, the resisting needle 54 pushes the blocking ball 33 to drive the blocking ball 33 to slide into the flared cavity 13c, at this time, 1-2 drops of acid-base indicator (the present application takes methyl orange as an example) is injected into the detection cylinder 1 by using the syringe 4, if the solution is yellow (pH>4.4), it indicates that the acid has been neutralized, if the solution is red (pH<3.1), it indicates that the acid is excessive.

[0035] If the acid is excessive, the syringe 4 and the middle connecting assembly 5 can be pulled out of the branch pipe 13, at this time, the blocking ball 33 is quickly reset and sealed under the action of the spring 34 and the contraction port 13b, after opening the valve on the horizontal pipe, the inner push piston rod 21 makes the solution in the detection cylinder 1 return to the cylinder body in the patent document CN213680827U, then after closing the valve on the horizontal pipe, adding an appropriate amount of alkali solution in the cylinder body for neutralization reaction, then repeating the above operation to detect the subsequent solution again.

[0036] It is worth noting that: the detection cylinder 1, the branch pipe 13 and the stop valve group 3 in the present application are made of polytetrafluoroethylene (PTFE) or 316L stainless steel, which has acid and alkali corrosion resistance and mechanical strength; the blocking ball 33 and the sliding rod 32 are made of Hastelloy C-276, which is resistant to strong acid and strong alkali corrosion; the transparent observation cylinder part 12 is made of quartz glass or polyether ether ketone (PEEK), which ensures high light transmittance and chemical inertness, and the filter disc 6 is made of sintered titanium metal or porous ceramic, which is corrosion resistant and easy to replace.

[0037] The circuit and the control involved in the utility model are prior art, and will not be described in detail here.

[0038] The above merely illustrates the embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, which are made by using the content of the present application specification and drawings, are also included in the patent protection scope of the present application.

Claims

1. An acid-soluble slag re-production device comprising a detection cylinder (1) and a syringe (4), characterized in that, One end of the detection cylinder (1) is fixedly installed with a connecting flange (11), and a piston (2) is installed in the detection cylinder (1); a branch pipe (13) is fixedly installed on the middle cylinder wall of the detection cylinder (1); and a reagent is injected into the detection cylinder (1) through the branch pipe (13) by the injector (4); A flow stop valve group (3) is arranged in the branch pipe (13), and a one-way valve body structure is formed by the flow stop valve group (3) to avoid leakage of the solution in the detection cylinder (1) from the branch pipe (13). A middle connecting assembly (5) is installed on the injector (4), the middle connecting assembly (5) comprises a sleeve (51), the sleeve (51) is sleeved on the injection port of the injector (4), a plug-in pipe (52) is fixedly installed on the sleeve (51), an installation ring frame (53) is fixedly installed in the sleeve (51), and a resisting needle (54) is fixedly installed on the installation ring frame (53) and coaxially arranged with the plug-in pipe (52) and extends out of the plug-in pipe (52).

2. The acid-slag regeneration apparatus according to claim 1, wherein The branch pipe (13) is provided with a contraction opening (13b), a sliding cavity (13a) and an expansion cavity (13c) which are sequentially and communicatively arranged, the diameter of the contraction opening (13b) is smaller than that of the sliding cavity (13a), and the diameter of the expansion cavity (13c) is larger than that of the sliding cavity (13a).

3. The acid-slag regeneration apparatus according to claim 2, wherein The flow stop valve group (3) comprises an installation disc frame (31) which is fixedly installed in the expansion cavity (13c) and is provided with a plurality of annularly distributed liquid flow holes (31a), a sliding rod (32) is inserted into the disc core of the installation disc frame (31) in a sliding manner, and a sealing ball (33) is fixedly installed on the top of the sliding rod (32), and a spring (34) is sleeved on the sliding rod (32).

4. The acid-slag regeneration apparatus according to claim 3, wherein One end of the spring (34) is fixedly connected with the upper disc surface of the installation disc frame (31), and the other end of the spring (34) is fixedly connected with the lower ball body of the sealing ball (33).

5. The acid-slag reclamation apparatus of claim 1, wherein A piston rod (21) is fixedly installed on the piston (2), parallel arranged guide rods (22) are fixedly installed on the outer rod head of the piston rod (21), the guide rods (22) are inserted into a T-shaped sliding groove (1a) formed in the lower cylinder body of the detection cylinder (1) and are fixedly installed with a T-shaped sliding block (23), the T-shaped sliding block (23) is in sliding connection with the T-shaped sliding groove (1a), a threaded through hole is formed in the T-shaped sliding block (23), and a locking screw (24) is inserted into the threaded through hole in a threaded manner.

6. The acid-slag reclamation apparatus of claim 1, wherein Transparent observation cylinder portions (12) are arranged on the detection cylinder (1) on both sides of the branch pipe (13).

7. The acid-slag regeneration apparatus according to claim 1, wherein A recess (11a) is formed in the connecting surface of the connecting flange (11), and a filter sheet (6) is installed in the recess (11a).

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