Tail gas treatment device of molecular distillation instrument

Abstract

The utility model discloses a tail gas treatment device of a molecular distillation instrument, and relates to the technical field of experimental instruments. The device comprises a tail gas pipeline and treatment pipelines, a plurality of treatment pipelines are installed on the tail gas pipeline at equal intervals, connecting pipes are welded to the two ends of each treatment pipeline, the treatment pipelines are in threaded connection with the tail gas pipeline through the connecting pipes, and bent pipes are installed at the tail ends of the treatment pipelines at the two ends of the tail gas pipeline; and a pipeline outer cover is arranged on the outer wall of the top of the treatment pipeline in an upper covering mode, a treatment assembly is installed in the treatment pipeline and comprises a treatment plate, a treatment core plate is embedded in the treatment plate, and a filling groove is formed in the treatment core plate. According to the utility model, the U-shaped bent pipe is utilized to prevent treated objects in the treatment pipeline from generating backflow and downstream phenomena, so that the treated objects are prevented from entering other equipment or instruments, and meanwhile, the treatment pipeline which can be opened and the treatment assembly which is assembled in a plug-in manner are utilized, so that the treatment assembly is convenient to replace, take and place.

Description

Technical Field

[0001] The utility model belongs to the technical field of experimental instruments, in particular to a tail gas treatment device of a molecular distillation instrument. Background Art

[0002] There are many kinds of experimental instruments, including molecular distillation instruments. Molecular distillation instruments will produce some exhaust gas during distillation. In order to ensure the cleanliness and stability of the experimental process, the exhaust gas produced by the distillation needs to be treated to ensure its safety and can only be discharged after it is qualified.

[0003] Existing document CN203061035U-A tail gas treatment device for a molecular distillation instrument, the tail gas treatment device for the molecular distillation instrument includes a solid calcium chloride bag I, an anhydrous copper sulfate bag I, a solid calcium chloride bag II, an anhydrous copper sulfate bag II, a paraffin block bag, a solid sodium carbonate bag, an air guide pipe and an oil pump, the exhaust pipe of the molecular distillation instrument is sequentially connected with a solid calcium chloride bag I, an anhydrous copper sulfate bag I, a solid calcium chloride bag II, an anhydrous copper sulfate bag II, a paraffin block bag and a solid sodium carbonate bag, and the solid sodium carbonate bag is connected to the oil pump through an air guide pipe. The tail gas treatment device of the molecular distillation instrument can effectively filter the organic matter, water and acidic substances generated during the experiment, prevent the oil pump from being contaminated and corroded, effectively increase the service life of the oil pump, and bring great convenience to chemical experiments. However, it still has the following disadvantages in actual use:

[0004] The tail gas treatment device of the molecular distillation apparatus has the tail end of the air guide pipe directly connected to the oil pump, and the tail end of the air guide pipe is filled with a solid sodium carbonate bag, which causes part of the particles in the solid sodium carbonate bag to flow into the oil pump from the air guide pipe during the tail gas transportation process, affecting the performance and service life of the oil pump.

[0005] The exhaust gas treatment device of the above-mentioned molecular distillation apparatus adopts an air guide tube to receive solid calcium chloride bag I, anhydrous copper sulfate bag I, solid calcium chloride bag II, anhydrous copper sulfate bag II, paraffin block bag, and solid sodium carbonate bag, and the air guide tube is an integrated structure, so the treatment agent inserted into the air guide tube is difficult to take out.

[0006] Therefore, the tail gas treatment device of the molecular distillation apparatus mentioned above cannot meet the needs in actual use, so there is an urgent need for improved technology in the market to solve the above problems. Utility Model Content

[0007] The utility model aims to provide an exhaust gas treatment device for a molecular distillation apparatus, which can avoid the backflow and downstream flow of the treated material in the treatment pipeline by utilizing a "U"-shaped elbow, and avoid entering other equipment or instruments. At the same time, by utilizing an openable treatment pipeline and a treatment component assembled in a plug-in manner, it is convenient to replace and place the treatment component, thereby solving the problems of the exhaust gas treatment device for the above-mentioned molecular distillation apparatus.

[0008] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0009] The utility model is an exhaust gas treatment device for a molecular distillation instrument, comprising an exhaust gas pipeline and a treatment pipeline, wherein a plurality of treatment pipelines are installed at equal intervals on the exhaust gas pipeline, and connecting pipes are welded at both ends of the treatment pipeline, the treatment pipeline is threadedly connected to the exhaust gas pipeline through the connecting pipe, and elbows are installed at the ends of the treatment pipelines at both ends of the exhaust gas pipeline;

[0010] A pipeline outer cover is provided on the upper cover of the top outer wall of the processing pipeline, a processing component is installed inside the processing pipeline, and the pipeline outer cover is abutted against the top side wall of the processing component through an elastic member, the processing component includes a processing plate, a processing core plate is embedded inside the processing plate, and a filling groove is opened in the processing core plate.

[0011] Furthermore, there are two bent pipes in total, and the two bent pipes are arranged at the ends on both sides. The bent pipes are arranged in a "U"-shaped pipeline structure, and the pipeline ridge of the bent pipe is arranged to face directly upward.

[0012] Furthermore, a pipe groove is opened inside the processing pipe, a cover plate groove is opened on the top of the pipe groove, the pipe groove in the processing pipe cooperates with the outer wall of the processing component, and the inner side wall of the cover plate groove cooperates with the outer peripheral side wall of the pipe outer cover.

[0013] Furthermore, the side wall through which the pipe outer cover passes is connected to the side wall of the processing pipe through a hinge, and an elastic member is installed on the bottom side wall of the pipe outer cover, and there are four elastic members in total, which are arranged at four corners of the bottom side wall of the pipe outer cover.

[0014] Furthermore, the elastic member is composed of a cylinder, a spring and a cylinder. The cylinder and the cylinder are sleeved with each other, and the cylinder is connected to the cylinder through the spring.

[0015] Furthermore, an upper connecting piece is threadedly connected to the top side wall of the cylinder, and a cylinder groove is opened inside the cylinder, a spring is arranged inside the cylinder groove, the cylinder is arranged in an "I" shape, and the top end of the cylinder is clamped inside the cylinder groove, and a lower connecting piece is threadedly connected to the bottom side wall of the cylinder, the upper connecting piece is connected to the outer cover of the pipeline by bolts, and the lower connecting piece abuts against the top side wall of the processing plate.

[0016] Furthermore, the processing plate is arranged in a combed tooth structure, and the horizontal plate of the processing plate and the tooth plate at its bottom are arranged at an angle of sixty degrees. A plate groove is opened inside the processing plate, and the processing plate cooperates with the processing core plate through the plate groove.

[0017] Furthermore, a plurality of air holes allowing gas flow are provided on the outer wall of the processing plate, and the pipeline grooves outside the processing plate are connected to the plate grooves inside the processing plate through the air holes on the outer wall.

[0018] The utility model has the following beneficial effects:

[0019] The utility model provides a bent pipe which is a "U"-shaped pipe and is installed at two ends of the tail gas pipeline, thereby preventing the residues or purified particles in the processing pipeline from flowing back through the tail gas pipeline and entering other distillation auxiliary equipment.

[0020] The utility model provides a processing pipeline, a pipeline outer cover and a processing component, wherein the top cover of the processing pipeline is provided with the pipeline outer cover, and the processing component is installed inside the processing pipeline, wherein the outer peripheral side wall of the processing plate in the processing component cooperates with the inner wall of the processing pipeline, and the processing plate is a plurality of inclined plates arranged parallel to each other, and a processing core plate is embedded in the interior of the processing plate, and a plurality of air holes for gas circulation are opened on the outer wall of the processing plate, thereby ensuring that the exhaust gas in the exhaust pipeline is fully in contact with the processing core plate in the processing plate, and when a molecular distillation apparatus is used to distill different distillates, the exhaust gas generated is also different. In order to improve the adequacy and pertinence of the exhaust gas treatment, the plate material of the processing core plate is not limited, and multiple or single processing powders or particles can be filled into the processing core plate according to different distillates. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0022] Figure 1 It is a structural schematic diagram of an exhaust gas treatment device of a molecular distillation apparatus;

[0023] Figure 2 It is a structural cross-sectional view of an exhaust gas treatment device of a molecular distillation apparatus;

[0024] Figure 3 To handle the structural disassembly diagram of the pipe and the pipe cover;

[0025] Figure 4 This is a structural disassembly diagram of the elastic part.

[0026] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0027] 1. Exhaust pipe; 2. Processing pipe; 201. Pipe groove; 202. Cover plate groove; 203. Connecting pipe; 3. Pipe outer cover; 301. Hinge; 302. Elastic part; 3021. Cylinder; 3022. Upper connecting piece; 3023. Cylinder groove; 3024. Spring; 3025. Cylinder; 3026. Lower connecting piece; 4. Elbow; 5. Processing assembly; 501. Processing plate; 5011. Plate groove; 502. Processing core plate; 5021. Filling groove. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0029] See also Figure 1-2 As shown, the utility model is an exhaust gas treatment device for a molecular distillation instrument, comprising an exhaust gas pipeline 1 and a treatment pipeline 2, a plurality of treatment pipelines 2 are installed at equal intervals on the exhaust gas pipeline 1, and connecting pipes 203 are welded at both ends of the treatment pipeline 2, the treatment pipeline 2 is threadedly connected to the exhaust gas pipeline 1 through the connecting pipes 203, and elbows 4 are installed at the ends of the treatment pipelines 2 at both ends of the exhaust gas pipeline 1; there are two elbows 4, and the two elbows 4 are arranged at the ends of both sides, the elbows 4 are arranged in a "U"-shaped pipeline structure, and the pipeline ridge of the elbow 4 is arranged toward the top, which is used to determine the shape and installation position of the elbow 4;

[0030] When the above arrangement is in use, the connecting pipes 203 at both ends of the processing pipeline 2 are threadedly connected to the exhaust pipeline 1, and the two ends of the exhaust pipeline 1 are threadedly connected with elbows 4. The exhaust gas generated by the molecular distillation instrument during operation is introduced into the exhaust pipeline 1 through the elbows 4, and is continuously transported to the processing pipeline 2. After the exhaust gas is processed by the processing pipeline 2, it is transported to another elbow 4 again, and is introduced into other experimental instruments or directly discharged through the elbows 4.

[0031] Among them Figure 3-4As shown, a pipe outer cover 3 is provided on the upper cover of the top outer wall of the processing pipe 2, a processing assembly 5 is installed inside the processing pipe 2, and the pipe outer cover 3 is abutted against the top side wall of the processing assembly 5 through an elastic member 302, and the processing assembly 5 includes a processing plate 501, a processing core plate 502 is inlaid inside the processing plate 501, and a filling groove 5021 is opened in the processing core plate 502; the processing plate 501 is arranged in a combing tooth structure, and the horizontal plate of the processing plate 501 is arranged at an angle of sixty degrees with the tooth plate at its bottom to determine the shape of the processing plate 501, a plate groove 5011 is opened inside the processing plate 501, and the processing plate 501 cooperates with the processing core plate 502 through the plate groove 5011; a plurality of air holes allowing gas circulation are opened on the outer wall of the processing plate 501, and the pipeline groove 201 outside the processing plate 501 is connected with the plate groove 5011 in the processing plate 501 through the air holes on its outer wall to ensure the fluidity of the exhaust gas;

[0032] A pipe groove 201 is provided inside the processing pipe 2, and a cover plate groove 202 is provided on the top of the pipe groove 201. The pipe groove 201 in the processing pipe 2 cooperates with the outer wall of the processing assembly 5, and the inner wall of the cover plate groove 202 cooperates with the outer wall of the pipe outer cover 3 for installation of the pipe outer cover 3; the side wall through which the pipe outer cover 3 passes is connected to the side wall of the processing pipe 2 through a hinge 301, and an elastic member 302 is installed on the bottom side wall of the pipe outer cover 3, and there are four elastic members 302 in total, and the four elastic members 302 are respectively arranged at the four corners of the bottom side wall of the pipe outer cover 3 for determining the installation position of the elastic member 302; the elastic member 302 is composed of a cylinder 3021, a spring 3024 and a cylinder 3025, and the cylinder 3021 The cylinder 3021 is sleeved with the cylinder 3025, and the cylinder 3021 is connected to the cylinder 3025 through a spring 3024; an upper connecting piece 3022 is threadedly connected to the top side wall of the cylinder 3021, and a cylinder groove 3023 is opened inside the cylinder 3021, and the spring 3024 is arranged inside the cylinder groove 3023. The cylinder 3025 is arranged in an "I" shape, and the top end of the cylinder 3025 is clamped and arranged inside the cylinder groove 3023, and the bottom side wall of the cylinder 3025 is threadedly connected with a lower connecting piece 3026, the upper connecting piece 3022 is connected to the pipeline outer cover 3 by bolts, and is used for the assembly of the elastic member 302, and the lower connecting piece 3026 abuts against the top side wall of the processing plate 501, and is used for the installation of the elastic member 302;

[0033] When the above arrangement is used, the pipeline outer cover 3 is opened by the hinge 301, and the processing component 5 in the processing pipeline 2 is pulled upward. First, the processing plate 501 in the processing component 5 is taken out, and then the processing core plate 502 in the processing plate 501 is taken out. According to the different distillates contained in the molecular distillation apparatus, targeted processing agent particles or powders are selected by oneself, and the processing agent particles or powders are put into the filling groove 5021 in the processing core plate 502, and then the processing core plate 502 is put back into the processing plate 501, and then the processing plate 501 is inserted into the processing pipeline 2. After the pipeline outer cover 3 is closed, the exhaust gas treatment work of the molecular distillation apparatus can be carried out. When the exhaust gas is input into the processing pipeline 2 through the exhaust gas pipeline 1, the exhaust gas enters the internal plate groove 5011 through the air holes on the processing plate 501, and fully contacts with the processing core plate 502, and then is processed by the processing agent powder or particles filled in the processing core plate 502, and then output from the other end of the processing pipeline 2.

[0034] The above are only preferred embodiments of the present invention and do not limit the present invention. Any modification to the technical solutions recorded in the aforementioned embodiments and any equivalent replacement of some of the technical features therein, any modification, equivalent replacement, and improvement made are all within the protection scope of the present invention.

Claims

1. A tail gas treatment device for a molecular distillation apparatus, comprising a tail gas pipeline (1) and a treatment pipeline (2), wherein a plurality of treatment pipelines (2) are installed on the tail gas pipeline (1) at equal intervals, and connecting pipes (203) are welded at both ends of the treatment pipeline (2), and the treatment pipeline (2) is threadedly connected to the tail gas pipeline (1) via the connecting pipe (203), characterized in that: Bend pipes (4) are installed at the ends of the processing pipes (2) at both ends of the exhaust pipe (1); The top outer wall of the processing pipeline (2) is provided with a pipeline outer cover (3), a processing assembly (5) is installed inside the processing pipeline (2), and the pipeline outer cover (3) is in contact with the top side wall of the processing assembly (5) through an elastic member (302), and the processing assembly (5) comprises a processing plate (501), a processing core plate (502) is embedded inside the processing plate (501), and a filling groove (5021) is opened inside the processing core plate (502).

2. The tail gas treatment device of a molecular distillation apparatus according to claim 1, characterized in that: There are two curved pipes (4) in total, and the two curved pipes (4) are arranged at the ends of both sides. The curved pipes (4) are arranged in a "U"-shaped pipe structure, and the pipe ridge of the curved pipe (4) is arranged to face upward.

3. The tail gas treatment device of a molecular distillation apparatus according to claim 1, characterized in that: A pipeline groove (201) is provided inside the processing pipeline (2), a cover plate groove (202) is provided on the top of the pipeline groove (201), the pipeline groove (201) in the processing pipeline (2) cooperates with the outer wall of the processing component (5), and the inner side wall of the cover plate groove (202) cooperates with the outer peripheral side wall of the pipeline outer cover (3).

4. The tail gas treatment device of a molecular distillation apparatus according to claim 3, characterized in that: The side wall through which the pipeline outer cover (3) passes is connected to the side wall of the processing pipeline (2) via a hinge (301); an elastic member (302) is installed on the bottom side wall of the pipeline outer cover (3); and a total of four elastic members (302) are provided. The four elastic members (302) are respectively arranged at four corners of the bottom side wall of the pipeline outer cover (3).

5. The tail gas treatment device of a molecular distillation apparatus according to claim 4, characterized in that: The elastic member (302) is composed of a cylinder (3021), a spring (3024) and a column (3025); the cylinder (3021) and the column (3025) are sleeved together, and the cylinder (3021) is connected to the column (3025) via the spring (3024).

6. The tail gas treatment device of a molecular distillation apparatus according to claim 5, characterized in that: An upper connecting piece (3022) is threadedly connected to the top side wall of the cylinder (3021), and a cylinder groove (3023) is provided inside the cylinder (3021); the spring (3024) is arranged inside the cylinder groove (3023); the cylinder (3025) is arranged in an "I" shape, and the top end of the cylinder (3025) is clamped inside the cylinder groove (3023); a lower connecting piece (3026) is threadedly connected to the bottom side wall of the cylinder (3025); the upper connecting piece (3022) is connected to the pipeline outer cover (3) by bolts, and the lower connecting piece (3026) abuts against the top side wall of the processing plate (501).

7. The tail gas treatment device of a molecular distillation apparatus according to claim 6, characterized in that: The processing plate (501) is arranged in a combing tooth structure, and the horizontal plate of the processing plate (501) and the tooth plate at its bottom are arranged at an angle of sixty degrees. A plate groove (5011) is provided inside the processing plate (501), and the processing plate (501) cooperates with the processing core plate (502) through the plate groove (5011).

8. The tail gas treatment device of a molecular distillation apparatus according to claim 7, characterized in that: The outer wall of the processing plate (501) is provided with a plurality of air holes that allow gas to flow, and the pipeline groove (201) outside the processing plate (501) is connected to the plate groove (5011) inside the processing plate (501) through the air holes on the outer wall.

Images