Sulfuric acid diluter capable of enhancing mixing effect

Abstract

The utility model relates to the technical field of sulfuric acid diluters, in particular to a sulfuric acid diluter capable of enhancing mixing effect, which comprises a shell, a mixing component, an upper pressing plate and a lower pressing seat, the mixing component is arranged in the top of the shell, the upper end of the mixing component extends out of the shell, a plurality of layers of graphite blocks are arranged in the shell, and a plurality of dilution pipelines are arranged on the plurality of layers of graphite blocks. The upper pressing plate is arranged on the mixing assembly, and the lower pressing seat is mounted in the bottom of the shell; the mixing assembly comprises a flow gathering plate, a flow slowing cylinder and a flow dividing cylinder which are sequentially arranged from top to bottom, an overflow cylinder is arranged in the flow slowing cylinder, a plurality of layers of overflow holes are formed in the outer wall of the overflow cylinder, an overflow cavity is formed between the overflow cylinder and the flow slowing cylinder, the overflow cavity is communicated with the overflow holes, and the overflow cylinder is fixed to the flow dividing cylinder. According to the sulfuric acid diluter disclosed by the utility model, due to the arrangement of the mixing assembly, materials can be fed into the overflow cylinder through the first liquid pipeline on the flow gathering plate and the two inclined conveying pipelines on the two sides, so that the materials are mixed to enhance the mixing effect of the diluter.

Description

Technical Field

[0001] The utility model belongs to the technical field of sulfuric acid diluters, in particular to a sulfuric acid diluter with enhanced mixing effect. Background Art

[0002] The existing sulfuric acid diluter has a split structure and can only perform a preliminary mix of concentrated acid and water before it is used in the next process. However, the initial mixing in the diluter is not uniform, and the concentration of the mixed acid is unstable, thus affecting the use of the next process.

[0003] The existing diluter design can only partially cool the acid liquid, but this local cooling method cannot completely cool the acid liquid, and thus cannot meet the use requirements of the next process. Therefore, it is urgent to design a sulfuric acid diluter with enhanced mixing effect to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a sulfuric acid diluter with enhanced mixing effect, which solves the problem that the initial mixing in the existing diluter is uneven and the concentration of the mixed acid solution is unstable, thereby affecting the use of the next process; and the local cooling method of the existing diluter cannot completely cool the acid solution, thereby failing to meet the use requirements of the next process.

[0005] To solve the above technical problems, the utility model provides a sulfuric acid diluter with enhanced mixing effect, comprising a housing, a mixing assembly, an upper pressure plate, and a lower pressure seat. The mixing assembly is arranged in the top of the housing, and its upper end extends out of the housing. Several layers of graphite blocks are arranged in the housing, and several layers of the graphite blocks are provided with a plurality of dilution pipes. The upper pressure plate is arranged on the mixing assembly, and the lower pressure seat is installed in the bottom of the housing.

[0006] The mixing assembly includes a flow collecting plate, a slow flow tube and a diverter tube arranged in sequence from top to bottom. An overflow tube is arranged in the slow flow tube. Several layers of overflow holes are opened on the outer wall of the overflow tube. An overflow cavity is arranged between the overflow tube and the slow flow tube. The overflow cavity is connected to the overflow hole. The overflow tube is fixed on the diverter tube, and the diverter tube is arranged on the topmost graphite block.

[0007] A first liquid pipeline is provided on the converging plate, and the lower end of the first liquid pipeline extends into the overflow cylinder. Two oblique conveying pipelines are symmetrically provided on the converging plate, and the two oblique conveying pipelines are located on both sides of the first liquid pipeline. The outlets of the two oblique conveying pipelines and the discharge port of the first liquid pipeline are both arranged toward the inner cavity of the overflow cylinder. Several second liquid pipelines are provided on the top of the diversion cylinder, and a polymerization cavity connected to the second liquid pipeline is provided at the lower part. The polymerization cavity is respectively connected to several dilution pipelines.

[0008] Furthermore, the upper pressure plate is provided with two through holes connected with the oblique conveying pipe, and water inlet pipes are installed in the through holes.

[0009] Furthermore, the two inclined conveying pipes include a vertical section and an inclined section, the vertical section is coaxially arranged with the water inlet pipe, the inclined section is arranged toward the inner cavity of the overflow tube, and the inclined sections of the two inclined conveying pipes are arranged in an inverted eight shape.

[0010] Furthermore, a jacket is provided on the inner wall of the shell, and a cooling water outlet pipe and an emptying pipe are respectively penetrated on both sides of the top of the jacket, and a cooling water inlet pipe and a sewage pipe are respectively penetrated on both sides of the bottom.

[0011] Furthermore, a conical groove is provided on the lower pressing seat, and a stepped hole communicating with the conical groove is provided at the bottom of the lower pressing seat.

[0012] Furthermore, a lower pressure plate is provided at the bottom of the lower pressure seat, a conical countersunk hole is opened on the lower pressure plate, a discharge pipe is passed through the lower pressure plate, and a boss is provided at the upper end of the discharge pipe. The boss passes through the lower pressure plate and extends into the step hole and fits with the step surface of the step hole. A conical surface is provided on the outer wall of the discharge pipe, and the conical surface is located at the lower end of the boss, and it cooperates with the conical surface of the conical countersunk hole to limit the position. The lower end of the discharge pipe extends out of the lower pressure plate and is clamped by the first clamping assembly.

[0013] Furthermore, the upper pressing plate and the lower pressing plate are fixed by a plurality of fasteners.

[0014] Furthermore, several layers of graphite blocks are stacked up and down, a tooth-shaped sealing component is provided at the connection between two adjacent graphite blocks, and several second pressing components are provided between the several layers of graphite blocks and the shell.

[0015] Furthermore, each of the graphite blocks is provided with a plurality of transversely arranged cooling water delivery channels.

[0016] Beneficial effects of the utility model: The arrangement of the mixing assembly of the sulfuric acid diluter of the utility model can feed the material into the overflow cylinder through the first liquid pipe on the flow-collecting plate and the two oblique delivery pipes on both sides, so that after mixing, a part of the liquid flows into the overflow cavity through the overflow hole and enters the polymerization cavity through the second liquid pipe, and the other part enters the polymerization cavity through the second liquid pipe. After the two parts of liquid are polymerized in the polymerization cavity, they are diluted downward from the dilution pipes on the multiple graphite blocks, thereby enhancing the mixing effect of the diluter and reducing the concentration of sulfuric acid;

[0017] The arrangement of the two oblique delivery pipes and the first liquid pipe allows water to be well mixed with the acid entering the middle first liquid pipe. The distance between the first liquid pipe and the upper surface of the diversion cylinder is small, which can effectively control the amount of sulfuric acid outflow. The amount of sulfuric acid outflow can also be controlled by adjusting the depth of the first liquid pipe inserted into the overflow cylinder, thereby improving the dilution effect of the sulfuric acid.

[0018] The setting of the lower pressing seat can enable the diluted acid to flow along the conical groove, downward from the step hole, and finally out of the discharge pipe on the lower pressing plate, thereby improving the outflow rate of the acid and avoiding the risk of the acid accumulating at the bottom of the groove and being unable to flow out;

[0019] The setting of the matching limit between the discharge pipe and the lower pressure plate enables the lower pressure plate to effectively prevent the discharge pipe from falling off the diluter, and also reduces the gap between the upper end of the discharge pipe and the lower pressure seat to improve the sealing inside the diluter;

[0020] The provision of a toothed sealing assembly at the connection between two adjacent graphite blocks can improve the sealing between the two adjacent graphite blocks to prevent the diluted acid from flowing from the side and causing waste of acid. In addition, several second compression assemblies spaced apart between several layers of graphite blocks and the shell can compress the graphite blocks, thereby doubly preventing the diluted acid from flowing from the side and causing waste of acid. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solution of the present invention, the following briefly introduces the drawings required for use in the embodiments or descriptions of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0022] Figure 1 This is a cross-sectional view of a sulfuric acid diluter with enhanced mixing effect in an embodiment of the present invention;

[0023] Figure 2 This is an enlarged view of A of a sulfuric acid diluter with enhanced mixing effect in an embodiment of the present invention;

[0024] Figure 3 This is a partial view of a lower pressure plate of a sulfuric acid diluter for enhancing mixing effect in an embodiment of the present invention;

[0025] In the figure: 1-shell, 2-mixing assembly, 3-upper pressure plate, 4-lower pressure seat, 5-graphite block, 6-dilution pipeline, 7-water inlet pipeline, 8-cooling water outlet pipeline, 9-emptying pipeline, 10-cooling water inlet pipeline, 11-jacket, 12-lower pressure plate, 13-discharge pipeline, 14-first clamping assembly, 15-toothed sealing assembly, 16-second clamping assembly, 17-sewage pipeline, 21-flow collecting plate, 22-slow flow cylinder, 23-diverter cylinder, 24-overflow cylinder, 25-overflow chamber, 26-first liquid pipeline, 27-oblique conveying pipeline, 41-conical groove, 42-step hole, 51-cooling water conveying channel, 121-conical countersunk hole, 131-boss, 132-conical surface, 231-second liquid pipeline, 232-polymerization chamber, 241-overflow hole, 271-vertical section, 272-inclined section. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings of the present invention specification to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the embodiments described are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the utility model.

[0027] The following is a specific embodiment of the present invention and the attached Figure 1-3 In detail, a sulfuric acid diluter with enhanced mixing effect is disclosed, comprising a housing 1, a mixing assembly 2, an upper pressing plate 3, and a lower pressing seat 4. The mixing assembly 2 is disposed in the top of the housing 1, with its upper end extending out of the housing 1. Several layers of graphite blocks 5 are disposed in the housing 1, and several dilution pipes 6 are provided on the layers of graphite blocks 5. The upper pressing plate 3 is disposed on the mixing assembly 2, and the lower pressing seat 4 is mounted in the bottom of the housing 1. The upper pressing plate 3 is provided with two through holes communicating with an oblique conveying pipe 27, and a water inlet pipe 7 is installed in each through hole.

[0028] The lower pressing seat 4 is provided with a conical groove 41, and the bottom of the lower pressing seat 4 is provided with a step hole 42 communicating with the conical groove 41. The bottom of the lower pressing seat 4 is provided with a lower pressing plate 12, and the lower pressing plate 12 is provided with a conical countersunk hole 121. The lower pressing plate 12 is provided with a discharge pipe 13, and the upper end of the discharge pipe 13 is provided with a boss 131. The boss 131 passes through the lower pressing plate 12 and extends into the step hole 42, and fits with the step surface of the step hole 42. The outer wall of the discharge pipe 13 is provided with a conical The conical surface 132 is located at the lower end of the boss 131, and it cooperates with the conical surface of the conical countersunk hole 121 to limit the position. The lower end of the discharge pipe 13 extends out of the lower pressing plate 12 and is compressed by the first clamping assembly 14. The setting of the lower pressing seat 4 can enable the diluted acid to follow the conical groove 41 and downward from the step hole 42, and finally flow out from the discharge pipe 13 on the lower pressing plate 12, so as to improve the outflow rate of the acid and avoid the risk of the acid accumulating at the bottom of the groove and being unable to flow out.

[0029] The matching limit setting of the discharge pipe 13 and the lower pressure plate 12 enables the lower pressure plate 12 to effectively prevent the discharge pipe 13 from falling off the diluter, and also to reduce the gap between the upper end of the discharge pipe 13 and the lower pressure seat 4 to improve the sealing inside the diluter.

[0030] The upper pressing plate 3 and the lower pressing plate 12 are fixed by a plurality of fasteners.

[0031] The mixing assembly 2 includes a focusing plate 21, a slow flow tube 22 and a diverter tube 23 arranged in sequence from top to bottom. An overflow tube 24 is arranged in the slow flow tube 22. A plurality of overflow holes 241 are opened on the outer wall of the overflow tube 24. An overflow cavity 25 is arranged between the overflow tube 24 and the slow flow tube 22. The overflow cavity 25 is connected to the overflow hole 241. The overflow tube 24 is fixed on the diverter tube 23, and the diverter tube 23 is arranged on the topmost graphite block 5.

[0032] A first liquid pipeline 26 is provided on the concentrating plate 21, and the lower end of the first liquid pipeline 26 extends into the overflow tube 24. Two oblique conveying pipelines 27 are symmetrically provided on the concentrating plate 21. The two oblique conveying pipelines 27 are located on both sides of the first liquid pipeline 26. The outlets of the two oblique conveying pipelines 27 and the discharge port of the first liquid pipeline 26 are both arranged toward the inner cavity of the overflow tube 24. Several second liquid pipelines 231 are provided on the top of the diversion tube 23, and a polymerization chamber 232 connected to the second liquid pipeline 231 is provided at the lower part. The polymerization chamber 232 is respectively connected to several dilution pipelines 6.

[0033] The two oblique conveying pipes 27 include a vertical section 271 and an inclined section 272. The vertical section 271 is coaxially arranged with the water inlet pipe 7, and the inclined section 272 is arranged toward the inner cavity of the overflow tube 24. The inclined sections 272 of the two oblique conveying pipes 27 are arranged in an inverted eight shape.

[0034] The arrangement of the two oblique delivery pipes 27 and the first liquid pipe 26 allows water to be well mixed with the acid entering the middle first liquid pipe 26, and the distance between the first liquid pipe 26 and the upper surface of the diversion cylinder 23 is small, which can effectively control the amount of sulfuric acid outflowing. The amount of sulfuric acid outflowing can also be controlled by adjusting the depth of the first liquid pipe 26 inserted into the overflow cylinder 24, thereby improving the dilution effect of sulfuric acid.

[0035] A jacket 11 is provided on the inner wall of the shell 1 , a cooling water outlet pipe 8 and an exhaust pipe 9 are respectively provided on both sides of the top of the jacket 11 , and a cooling water inlet pipe 10 and a sewage pipe 17 are respectively provided on both sides of the bottom.

[0036] Several layers of graphite blocks 5 are stacked up and down, and a tooth-shaped sealing component 15 is provided at the connection between two adjacent graphite blocks 5. Several second pressing components 16 are provided between the several layers of graphite blocks 5 and the shell 1. Each graphite block 5 is provided with several transversely arranged cooling water delivery channels 51.

[0037] The provision of the toothed sealing assembly 15 at the connection between two adjacent graphite blocks 5 can improve the sealing between the two adjacent graphite blocks 5 to prevent the diluted acid from flowing from the side and causing waste of acid. In addition, the plurality of second pressing assemblies 16 spaced apart between the plurality of layers of graphite blocks 5 and the shell 1 can press the graphite blocks 5, thereby doubly preventing the diluted acid from flowing from the side and causing waste of acid.

[0038] The arrangement of the mixing assembly 2 of the sulfuric acid diluter of the present invention allows feeding of materials into the overflow cylinder 24 through the first liquid pipe 26 on the focusing plate 21 and the two oblique delivery pipes 27 on both sides. After mixing, a portion of the mixed materials flows into the overflow chamber 25 through the overflow hole 241 and enters the polymerization chamber 232 through the second liquid pipe 231, while the other portion enters the polymerization chamber 232 through the second liquid pipe 231. After the two portions of liquid are polymerized in the polymerization chamber 232, they are diluted downward from the dilution pipes 6 on the plurality of graphite blocks 5, thereby enhancing the mixing effect of the diluter and reducing the concentration of sulfuric acid.

[0039] The workflow of this utility model:

[0040] The height of the mixing assembly 2 where the first liquid pipe 26 is located is adjusted so that its bottom is close to the top of the overflow tube 24. A heating source is introduced into the mixing front jacket 11 to heat the housing 1. During dilution, water is introduced into the oblique delivery pipe 27 through the water inlet pipes 7 on both sides. The oblique delivery pipe 27 delivers the water obliquely to the overflow tube 24. The concentrated acid is then delivered from the first liquid pipe 26 to the overflow tube 24. The concentrated acid enters the gap between the first liquid pipe 26 and the top of the overflow tube 24, allowing the concentrated acid to enter the overflow tube 24 and mix with the water to complete preliminary mixing.

[0041] Part of the mixed acid liquid overflows from the overflow hole 241 on the side wall of the overflow tube 24 into the overflow chamber 25, and then flows from the second liquid pipe 231 on the diversion tube 23 to the polymerization chamber 232, and the other part flows directly from the second liquid pipe 231 on the diversion tube 23 below the overflow tube 24 to the polymerization chamber 232. The two parts are re-polymerized and mixed to complete the second mixing. After mixing, they flow downward from the dilution pipe 6 on the graphite block 5 to the conical groove 41 of the lower pressure seat 4 at the bottom of the shell 1, thereby achieving three mixing. In the process of downward flow, the cooling water delivery channel 51 on the graphite block 5 cools the acid liquid. The cooled acid liquid flows downward along the inner wall of the conical groove 41 from the step hole 42 to the discharge pipe 13, and is finally output from the discharge pipe 13. The present application improves the dilution effect of the mixed concentrated acid and water through the triple mixing method, reduces the concentration of the acid liquid, and at the same time improves the efficiency of diluting the acid liquid.

[0042] The above disclosure is only a preferred embodiment of the present invention and certainly cannot be used to limit the scope of rights of the present invention. Therefore, equivalent changes made according to the claims of the present invention are still within the scope covered by the present invention.

Claims

1. A sulfuric acid diluter with enhanced mixing effect, characterized in that: The invention comprises a shell (1), a mixing assembly (2), an upper pressure plate (3) and a lower pressure seat (4); the mixing assembly (2) is arranged in the top of the shell (1), and its upper end extends out of the shell (1); a plurality of layers of graphite blocks (5) are arranged in the shell (1), and a plurality of dilution pipes (6) are opened on the plurality of layers of graphite blocks (5); the upper pressure plate (3) is arranged on the mixing assembly (2), and the lower pressure seat (4) is installed in the bottom of the shell (1); The mixing assembly (2) comprises a collecting plate (21), a slow flow tube (22) and a diverter tube (23) arranged in sequence from top to bottom. An overflow tube (24) is arranged in the slow flow tube (22). A plurality of overflow holes (241) are opened on the outer wall of the overflow tube (24). An overflow cavity (25) is provided between the overflow tube (24) and the slow flow tube (22). The overflow cavity (25) is communicated with the overflow hole (241). The overflow tube (24) is fixed on the diverter tube (23). The diverter tube (23) is arranged on the topmost graphite block (5). The collecting plate (21) is provided with a first liquid pipeline (26), the lower end of which extends into the overflow tube (24). The collecting plate (21) is symmetrically provided with two oblique conveying pipelines (27), which are located on both sides of the first liquid pipeline (26). The outlets of the two oblique conveying pipelines (27) and the discharge port of the first liquid pipeline (26) are both arranged toward the inner cavity of the overflow tube (24). The top of the diversion tube (23) is provided with a plurality of second liquid pipelines (231), and the lower part is provided with a polymerization chamber (232) which is communicated with the second liquid pipeline (231). The polymerization chamber (232) is respectively communicated with a plurality of the dilution pipelines (6).

2. The sulfuric acid diluter with enhanced mixing effect according to claim 1, characterized in that: The upper pressure plate (3) is provided with two through holes communicating with the oblique delivery pipe (27), and water inlet pipes (7) are installed in the through holes.

3. The sulfuric acid diluter with enhanced mixing effect according to claim 2, characterized in that: The two oblique delivery pipes (27) comprise a vertical section (271) and an inclined section (272); the vertical section (271) is coaxially arranged with the water inlet pipe (7); the inclined section (272) is arranged toward the inner cavity of the overflow cylinder (24); and the inclined sections (272) of the two oblique delivery pipes (27) are arranged in an inverted figure eight shape.

4. The sulfuric acid diluter with enhanced mixing effect according to claim 1, characterized in that: A jacket (11) is provided on the inner wall of the shell (1), and a cooling water outlet pipe (8) and an emptying pipe (9) are respectively penetrated on both sides of the top of the jacket (11), and a cooling water inlet pipe (10) and a sewage pipe (17) are respectively penetrated on both sides of the bottom.

5. The sulfuric acid diluter with enhanced mixing effect according to claim 1, characterized in that: A conical groove (41) is provided on the lower pressing seat (4), and a stepped hole (42) communicating with the conical groove (41) is provided at the bottom of the lower pressing seat (4).

6. The sulfuric acid diluter with enhanced mixing effect according to claim 5, characterized in that: A lower pressing plate (12) is provided at the bottom of the lower pressing seat (4), a conical countersunk hole (121) is opened on the lower pressing plate (12), a discharge pipe (13) is passed through the lower pressing plate (12), a boss (131) is provided at the upper end of the discharge pipe (13), the boss (131) passes through the lower pressing plate (12) and extends into the step hole (42), and fits with the step surface of the step hole (42), a conical surface (132) is provided on the outer wall of the discharge pipe (13), the conical surface (132) is located at the lower end of the boss (131), and it cooperates with the conical surface of the conical countersunk hole (121) to limit the position, and the lower end of the discharge pipe (13) extends out of the lower pressing plate (12) and is clamped by the first clamping assembly (14).

7. The sulfuric acid diluter with enhanced mixing effect according to claim 6, characterized in that: The upper pressing plate (3) and the lower pressing plate (12) are fixed via a plurality of fasteners.

8. The sulfuric acid diluter with enhanced mixing effect according to claim 1, characterized in that: Several layers of graphite blocks (5) are stacked up and down, and a tooth-shaped sealing component (15) is provided at the connection between two adjacent graphite blocks (5). Several second pressing components (16) are provided between the several layers of graphite blocks (5) and the housing (1).

9. The sulfuric acid diluter with enhanced mixing effect according to claim 1, characterized in that: Each of the graphite blocks (5) is provided with a plurality of transversely arranged cooling water delivery channels (51).

Images