Sulfur foam clear liquid evaporator

Abstract

The utility model relates to the field of evaporators, in particular to a sulfur foam clear liquid evaporator which comprises a regeneration tower, a first foam storage tank is arranged in front of the regeneration tower, a foam pump is arranged in front of the first foam storage tank, a horizontal centrifugal machine is arranged in front of the foam pump, and a return pipe is fixedly connected to the water outlet end of the horizontal centrifugal machine. According to the sulfur foam regeneration device, the mounting disc is mounted at the rear part of the inner wall of the slag removal tank in a threaded manner, so that the side wall of the guide column is attached to the inner wall of the through hole, sulfur foam regenerated in an expanded area at the top of the regeneration tower automatically flows to the foam storage tank I through a pipeline, and the sulfur foam in the foam storage tank I is conveyed to the horizontal centrifugal machine through the foam pump; clear liquid and suspended sulfur are led out in the horizontal centrifugal machine in a layered mode, the clear liquid can flow into the slag removal mechanism through the backflow pipe, water can be filtered by the filtering holes in the filtering disc, and therefore it is avoided that sulfur slag is carried in the clear liquid, the clear liquid flows back into the regeneration tower, and use is convenient.

Description

Technical Field

[0001] The utility model belongs to the field of evaporators, in particular to a sulfur foam clear liquid evaporator. Background Art

[0002] In the chemical production process, especially in the desulfurization process, the treatment of sulfur foam is a key link. Sulfur foam is a by-product of the desulfurization process and contains a large amount of sulfide, salt and other impurities. In order to effectively treat these sulfur foams, recover the useful components and reduce environmental pollution, it is particularly important to develop efficient sulfur foam treatment equipment.

[0003] At present, the sulfur foam clear liquid evaporator is an industrial equipment specially designed for treating sulfur foam clear liquid. In the chemical production process, especially in the desulfurization process, sulfur foam, as a by-product of the desulfurization process, contains a large amount of impurities such as water and sulfide. The sulfur paste in the existing technology is difficult to avoid the clear liquid from entraining sulfur slag during the sulfur melting process. The condensed water generated during the salt extraction process of the clear liquid in the evaporator can easily clog the pipeline.

[0004] Therefore, a sulfur foam clear liquid evaporator is proposed. The sulfur paste can prevent the clear liquid from carrying sulfur slag during the sulfur melting process, and the condensed water generated during the salt extraction process of the clear liquid in the evaporator is not easy to clog the pipeline. Utility Model Content

[0005] In order to overcome the problems in the prior art that it is difficult to avoid the clear liquid from entraining sulfur slag during the sulfur melting process of sulfur paste, and the condensed water generated during the salt extraction process of the clear liquid in the evaporator is easy to clog the pipeline, a sulfur foam clear liquid evaporator is proposed.

[0006] The technical solution of the utility model is as follows: a sulfur foam clear liquid evaporator includes a regeneration tower; a foam storage tank 1 is provided in front of the regeneration tower, a foam pump is provided in front of the foam storage tank 1, a horizontal centrifuge is provided in front of the foam pump, a return pipe is fixedly connected to the water outlet end of the horizontal centrifuge, a slag removal mechanism is fixedly connected to the rear end of the return pipe, a liquid extraction pump is provided on the right side of the horizontal centrifuge, a foam stirring tank 2 is provided in front of the liquid extraction pump, a sulfur melting kettle is provided on the right side of the liquid extraction pump, a sulfur slicer is provided in front of the sulfur melting kettle, an evaporating kettle is provided on the right side of the sulfur melting kettle, and a bracket is provided on the right side of the foam pump;

[0007] The slag removal mechanism includes a slag removal tank, a motor, a block, a groove, a mounting plate and a filter plate; a slag removal tank is provided in front of the regeneration tower, the slag removal tank is fixed to the inner wall of the bracket, and a locking mechanism is provided at the rear end of the bracket. A filter plate is slidingly provided on the inner wall of the slag removal tank, and a mounting plate is threadedly installed on the rear part of the inner wall of the slag removal tank. The mounting plate is located behind the filter plate, and the front end of the filter plate is penetrated by a uniformly distributed filter hole, and the front end of the filter plate is penetrated by a guide column fixedly connected, and a through hole is penetrated at the front end of the mounting plate, and the side wall of the guide column fits with the inner wall of the through hole.

[0008] Preferably, when in use, the filter disc is placed on the inner wall of the deslagging tank, and the mounting disc is threadedly installed on the rear part of the inner wall of the deslagging tank so that the side wall of the guide column fits with the inner wall of the through hole. The sulfur foam regenerated in the expanded area at the top of the regeneration tower flows through the pipeline to the foam storage tank 1, and the sulfur foam in the foam storage tank 1 is pumped to the horizontal centrifuge through the foam pump. The clear liquid and suspended sulfur are layered and drawn out in the horizontal centrifuge. The clear liquid will flow into the deslagging mechanism through the reflux pipe, and the water will be filtered by the filter holes on the filter disc, thereby avoiding the clear liquid from entraining sulfur slag. The clear liquid then flows back to the regeneration tower. The water content of the dilute sulfur paste is controlled by adjusting the speed of the horizontal centrifuge and the overflow baffle. The sulfur paste with a water content of 35% flows by gravity. To the second foam stirring tank, the dehydrated sulfur paste is sent to the sulfur melting kettle for sulfur melting. The sulfur in the sulfur melting kettle is packaged and stored in flaky form through a sulfur slicer for sale. In addition, the clear liquid overflowing from the sulfur melting kettle during heating flows to the evaporator, and the clear liquid is heated and concentrated in the kettle to generate a mixed salt of sodium thiosulfate and ammonium thiocyanate. The mixed salt is regularly sent to the sulfur slicer for packaging, storage, and sale. The steam condensate generated in the salt extraction process in the evaporator is cooled in the cooler and flows by gravity to the condensate storage tank. The condensate after salt extraction is regularly sent back to the regeneration tower, which solves the problem in the prior art that it is difficult to avoid sulfur slag entrained in the clear liquid during the sulfur melting process of sulfur paste, and the condensate generated in the clear liquid during the salt extraction process in the evaporator is easy to clog the pipeline.

[0009] Preferably, the locking mechanism includes a slag removal tank, a motor and a stopper; the rear end of the bracket is fixed with a uniformly distributed motor, the rear end of the motor's output shaft is fixed with a stopper, and the side wall of the stopper is provided with a groove, which is adapted to the magnet column.

[0010] Preferably, the liquid outlet of the regeneration tower is connected to the liquid inlet of the foam storage tank 1 through a pipeline, and the liquid outlet of the foam storage tank 1 is connected to the liquid inlet of the foam pump through a pipeline.

[0011] Preferably, the liquid outlet of the foam pump is connected to the liquid inlet of the horizontal centrifuge through a pipeline, and the liquid outlet of the horizontal centrifuge is connected to the liquid inlet of the second foam stirring tank through a pipeline.

[0012] Preferably, the liquid extraction end of the liquid extraction pump is connected to the liquid inlet end of the second foam stirring tank through a pipeline, and the liquid discharge end of the liquid extraction pump is connected to the liquid inlet end of the molten sulfur kettle through a pipeline.

[0013] Preferably, the liquid outlet of the molten sulfur kettle is connected to the liquid inlet of the evaporation kettle through a pipeline, and the second foam stirring tank is made of stainless steel.

[0014] Preferably, one end of a connecting hose is threadedly mounted on the inner wall of the liquid inlet end of the regeneration tower, and the other end of the connecting hose is threadedly mounted on the inner wall of the liquid outlet pipe.

[0015] The beneficial effects of the present invention are as follows: by placing the filter disc on the inner wall of the deslagging tank, and threading the mounting disc on the rear part of the inner wall of the deslagging tank, so that the side wall of the guide column fits with the inner wall of the through hole, the sulfur foam regenerated in the expanded area at the top of the regeneration tower flows to the foam storage tank 1 through the pipeline, and the sulfur foam in the foam storage tank 1 is pumped to the horizontal centrifuge through the foam pump, and the clear liquid and suspended sulfur are layered and drawn out in the horizontal centrifuge, and the clear liquid will flow into the deslagging mechanism through the reflux pipe, and the water will be filtered by the filter holes on the filter disc, thereby avoiding the clear liquid from entraining sulfur slag, and the clear liquid will flow back to the regeneration tower, and the water content of the dilute sulfur paste can be controlled by adjusting the speed of the horizontal centrifuge and the overflow baffle. The sulfur paste with a water content of 35% The paste flows to the second foam stirring tank, and the dehydrated sulfur paste is sent to the sulfur melting kettle for sulfur melting. The sulfur in the sulfur melting kettle is packaged and stored in flaky form through a sulfur slicer for sale. In addition, the clear liquid overflowing from the sulfur melting kettle during heating flows to the evaporator, and the clear liquid is heated and concentrated in the kettle to generate a mixed salt of sodium thiosulfate and ammonium thiocyanate. The mixed salt is regularly sent to the sulfur slicer for packaging, storage, and sale. The steam condensate generated in the salt extraction process in the evaporator is cooled in the cooler and flows to the condensate storage tank. The condensate after salt extraction is regularly sent back to the regeneration tower, which solves the problem in the prior art that it is difficult to avoid sulfur slag entrained in the clear liquid during the sulfur melting process of the sulfur paste, and the condensate generated in the clear liquid during the salt extraction process in the evaporator is easy to clog the pipeline. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 Shown is a schematic diagram of the three-dimensional structure of the sulfur foam clear liquid evaporator of the present invention;

[0017] Figure 2 Shown is a three-dimensional structural schematic diagram of the slag removal mechanism of the sulfur foam clear liquid evaporator of the present invention;

[0018] Figure 3 Shown is a schematic diagram of the three-dimensional disassembled structure of the mounting plate and filter plate of the sulfur foam clear liquid evaporator of the present invention;

[0019] Figure 4 Shown is a schematic diagram of the three-dimensional structure of the connecting hose of the sulfur foam clear liquid evaporator of the present invention;

[0020] Figure 5 Shown is a schematic diagram of the three-dimensional structure of the deslagging tank of the sulfur foam clear liquid evaporator of the present invention.

[0021] The markings in the accompanying drawings are: 1. Regeneration tower; 2. Foam storage tank 1; 3. Foam pump; 4. Horizontal centrifuge; 5. Reflux pipe; 6. Deslagging mechanism; 601. Deslagging tank; 602. Motor; 603. Block; 604. Groove; 605. Mounting plate; 606. Liquid outlet pipe; 607. Magnet column; 608. Through hole; 609. Filter plate; 610. Filter hole; 611. Guide column; 7. Liquid suction pump; 8. Foam stirring tank 2; 9. Molten sulfur kettle; 10. Sulfur slicer; 11. Evaporation kettle; 12. Bracket; 13. Connecting hose. DETAILED DESCRIPTION

[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0023] See also Figure 1-Figure 5 The utility model provides an embodiment: a sulfur foam clear liquid evaporator includes a regeneration tower 1; a foam storage tank 2 is provided in front of the regeneration tower 1, a foam pump 3 is provided in front of the foam storage tank 2, a horizontal centrifuge 4 is provided in front of the foam pump 3, a return pipe 5 is fixedly connected to the water outlet end of the horizontal centrifuge 4, a slag removal mechanism 6 is fixedly connected to the rear end of the return pipe 5, a liquid extraction pump 7 is provided to the right of the horizontal centrifuge 4, a foam stirring tank 2 8 is provided in front of the liquid extraction pump 7, a sulfur melting kettle 9 is provided to the right of the liquid extraction pump 7, a sulfur slicer 10 is provided in front of the sulfur melting kettle 9, an evaporation kettle 11 is provided to the right of the sulfur melting kettle 9, and a bracket 12 is provided to the right of the foam pump 3;

[0024] The slag removal mechanism 6 includes a slag removal tank 601, a motor 602, a block 603, a groove 604, a mounting plate 605 and a filter plate 609; a slag removal tank 601 is provided in front of the regeneration tower 1, the slag removal tank 601 is fixed to the inner wall of the bracket 12, and a locking mechanism is provided at the rear end of the bracket 12. A filter plate 609 is slidingly provided on the inner wall of the slag removal tank 601, and a mounting plate 605 is threadedly installed on the rear part of the inner wall of the slag removal tank 601. The mounting plate 605 is located behind the filter plate 609, and the front end of the filter plate 609 is penetrated by a uniformly distributed filter hole 610, and the front end of the filter plate 609 is penetrated by a guide column 611. A through hole 608 is penetrated at the front end of the mounting plate 605, and the side wall of the guide column 611 is in contact with the inner wall of the through hole 608.

[0025] When in use, the filter disc 609 is placed on the inner wall of the deslagging tank 601, and the mounting disc 605 is threadedly installed on the rear part of the inner wall of the deslagging tank 601, so that the side wall of the guide column 611 fits with the inner wall of the through hole 608. The sulfur foam regenerated in the top expansion area of ​​the regeneration tower 1 flows to the foam storage tank 2 through the pipeline, and the sulfur foam in the foam storage tank 2 is sent to the horizontal centrifuge 4 through the foam pump 3. The clear liquid and suspended sulfur are layered and drawn out in the horizontal centrifuge 4. The clear liquid will flow into the deslagging mechanism 6 through the reflux pipe 5, and the water will be filtered by the filter hole 610 on the filter disc 609, thereby preventing the clear liquid from entraining sulfur slag. The clear liquid then flows back to the regeneration tower 1, and the dilute sulfur paste is adjusted. The rotation speed of the horizontal centrifuge 4 and the adjustment of the overflow baffle control the water content of the sulfur paste. The sulfur paste with a water content of 35% flows to the foam stirring tank 8. The dehydrated sulfur paste is sent to the sulfur melting kettle 9 for sulfur melting. The sulfur in the sulfur melting kettle 9 is packaged and stored in flaky form through the sulfur slicer 10 for sale. In addition, the clear liquid overflowing from the sulfur melting kettle 9 during the heating process flows to the evaporator 11. The clear liquid is heated and concentrated in the kettle to generate a mixed salt of sodium thiosulfate and ammonium thiocyanate. The mixed salt is regularly sent to the sulfur slicer 10 for packaging, storage and sale. The steam condensate generated during the salt extraction process in the evaporator 11 is cooled in the cooler and flows to the condensate storage tank. The condensate after salt extraction is regularly sent back to the regeneration tower 1.

[0026] See also Figure 1-Figure 3 and Figure 5 In this embodiment, the locking mechanism includes a slag removal tank 601, a motor 602 and a stopper 603; the rear end of the bracket 12 is fixedly connected to the evenly distributed motors 602, and the rear end of the output shaft of the motor 602 is fixedly connected to the stopper 603. The side wall of the stopper 603 is provided with a groove 604, and the groove 604 is adapted to the magnet column 607. When the slag removal tank 601 is opened, the motor 602 rotates, so that the inner wall of the groove 604 fits with the side wall of the magnet column 607, and the stable placement of the mounting plate 605 can be achieved.

[0027] See also Figure 1 In this embodiment, the liquid outlet of the regeneration tower 1 is connected to the liquid inlet of the foam storage tank 2 through a pipeline, and the liquid outlet of the foam storage tank 2 is connected to the liquid inlet of the foam pump 3 through a pipeline. When the foam pump 3 is turned on, the liquid in the foam storage tank 2 can be pumped out.

[0028] See also Figure 1 In this embodiment, the liquid outlet of the foam pump 3 is connected to the liquid inlet of the horizontal centrifuge 4 through a pipeline, and the liquid outlet of the horizontal centrifuge 4 is connected to the liquid inlet of the foam stirring tank 2 8 through a pipeline. The foam stirring tank 2 8 can temporarily store the liquid in the horizontal centrifuge 4.

[0029] See also Figure 1In this embodiment, the liquid pumping end of the liquid pump 7 is connected to the liquid inlet end of the foam stirring tank 2 8 through a pipeline, and the liquid outlet end of the liquid pump 7 is connected to the liquid inlet end of the molten sulfur kettle 9 through a pipeline. When the liquid pump 7 is turned on, the liquid in the foam stirring tank 2 8 can be pumped into the molten sulfur kettle 9.

[0030] See also Figure 1 In this embodiment, the liquid outlet of the molten sulfur kettle 9 is connected to the liquid inlet of the evaporation kettle 11 through a pipeline. The foam stirring tank 8 is made of stainless steel. The evaporation kettle 11 is opened to heat and concentrate the clear liquid in the kettle to generate a mixed salt of sodium thiosulfate and ammonium thiocyanate.

[0031] See also Figure 1 In this embodiment, one end of a connecting hose 13 is threadedly installed on the inner wall of the liquid inlet end of the regeneration tower 1, and the other end of the connecting hose 13 is threadedly installed on the inner wall of the liquid outlet pipe 606. By providing the connecting hose 13, it is convenient to return the clear liquid filtered by the slag removal mechanism 6 to the interior of the regeneration tower 1.

[0032] Working principle: First, the filter disc 609 is placed on the inner wall of the deslagging tank 601, and the mounting disc 605 is threadedly installed on the rear part of the inner wall of the deslagging tank 601, so that the side wall of the guide column 611 is in contact with the inner wall of the through hole 608. The sulfur foam regenerated in the expanded area at the top of the regeneration tower 1 flows through the pipeline to the foam storage tank 2. The sulfur foam in the foam storage tank 2 is sent to the horizontal centrifuge 4 through the foam pump 3. The clear liquid and suspended sulfur are separated and discharged from the horizontal centrifuge 4. The clear liquid will flow into the deslagging mechanism 6 through the reflux pipe 5. The water will be filtered by the filter holes 610 on the filter disc 609, thereby preventing the clear liquid from carrying sulfur slag.

[0033] Then, the clear liquid flows back into the regeneration tower 1, and the water content of the dilute sulfur paste is controlled by adjusting the speed of the horizontal centrifuge 4 and the overflow baffle. The sulfur paste with a water content of 35% flows to the foam stirring tank 8, and the dehydrated sulfur paste is sent to the sulfur melting kettle 9 for sulfur melting. The sulfur in the sulfur melting kettle 9 is packaged and stored in flaky form by the sulfur slicer 10 for sale. In addition, the clear liquid overflowing from the sulfur melting kettle 9 during the heating process flows to the evaporator 11, and the clear liquid is heated and concentrated in the kettle to generate a mixed salt of sodium thiosulfate and ammonium thiocyanate. The mixed salt is regularly sent to the sulfur slicer 10 for packaging, storage, and sale. The steam condensate generated during the salt extraction process in the evaporator 11 is cooled in the cooler and flows to the condensate storage tank. The condensate after salt extraction is regularly sent back to the regeneration tower 1.

[0034] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by those skilled in the art without departing from the purpose of the present invention.

Claims

1. A sulfur foam clear liquid evaporator, comprising a regeneration tower (1); characterized in that: A foam storage tank (2) is provided in front of the regeneration tower (1), a foam pump (3) is provided in front of the foam storage tank (2), a horizontal centrifuge (4) is provided in front of the foam pump (3), a return pipe (5) is fixedly connected to the water outlet of the horizontal centrifuge (4), a slag removal mechanism (6) is fixedly connected to the rear end of the return pipe (5), a liquid extraction pump (7) is provided on the right side of the horizontal centrifuge (4), a foam stirring tank (8) is provided in front of the liquid extraction pump (7), a molten sulfur kettle (9) is provided on the right side of the liquid extraction pump (7), a sulfur slicer (10) is provided in front of the molten sulfur kettle (9), an evaporation kettle (11) is provided on the right side of the molten sulfur kettle (9), and a bracket (12) is provided on the right side of the foam pump (3); The slag removal mechanism (6) includes a slag removal tank (601), a motor (602), a stopper (603), a groove (604), a mounting plate (605), and a filter plate (609); a slag removal tank (601) is provided in front of the regeneration tower (1), the slag removal tank (601) is fixed to the inner wall of the bracket (12), a locking mechanism is provided at the rear end of the bracket (12), a filter plate (609) is slidably provided on the inner wall of the slag removal tank (601), and the slag removal tank ( A mounting plate (605) is threadedly mounted on the rear inner wall of the filter plate (601). The mounting plate (605) is located behind the filter plate (609). The front end of the filter plate (609) is penetrated by filter holes (610) distributed evenly. The front end of the filter plate (609) is penetrated by a guide column (611) fixedly connected. The front end of the mounting plate (605) is penetrated by a through hole (608). The side wall of the guide column (611) is in contact with the inner wall of the through hole (608).

2. The sulfur foam clear liquid evaporator according to claim 1, characterized in that: The locking mechanism comprises a slag removal pot (601), a motor (602) and a stopper (603); the rear end of the bracket (12) is fixedly connected to the evenly distributed motors (602); the rear end of the output shaft of the motor (602) is fixedly connected to the stopper (603); a groove (604) is formed on the side wall of the stopper (603); and the groove (604) is adapted to fit the magnet column (607).

3. The sulfur foam clear liquid evaporator according to claim 1, characterized in that: The liquid outlet of the regeneration tower (1) is connected to the liquid inlet of the foam storage tank (2) through a pipeline, and the liquid outlet of the foam storage tank (2) is connected to the liquid inlet of the foam pump (3) through a pipeline.

4. The sulfur foam clear liquid evaporator according to claim 1, characterized in that: The liquid outlet of the foam pump (3) is connected to the liquid inlet of the horizontal centrifuge (4) through a pipeline, and the liquid outlet of the horizontal centrifuge (4) is connected to the liquid inlet of the second foam stirring tank (8) through a pipeline.

5. The sulfur foam clear liquid evaporator according to claim 1, characterized in that: The liquid extraction end of the liquid extraction pump (7) is connected to the liquid inlet end of the second foam stirring tank (8) through a pipeline, and the liquid outlet end of the liquid extraction pump (7) is connected to the liquid inlet end of the molten sulfur kettle (9) through a pipeline.

6. The sulfur foam clear liquid evaporator according to claim 1, characterized in that: The liquid outlet of the molten sulfur kettle (9) is connected to the liquid inlet of the evaporation kettle (11) through a pipeline, and the second foam stirring tank (8) is made of stainless steel.

7. The sulfur foam clear liquid evaporator according to claim 1, characterized in that: One end of a connecting hose (13) is threadedly mounted on the inner wall of the liquid inlet end of the regeneration tower (1), and the other end of the connecting hose (13) is threadedly mounted on the inner wall of the liquid outlet pipe (606).

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