Byproduct hydrochloric acid dechlorination device

Abstract

The utility model relates to the technical field of dechlorinating devices, in particular to a byproduct hydrochloric acid dechlorinating device which discharges byproduct hydrochloric acid into a filtering mechanism and heats the byproduct hydrochloric acid to a certain temperature through the filtering mechanism, so that free substances in the byproduct hydrochloric acid are separated, and impurities and the free substances are adsorbed and filtered; the cooling mechanism is started to cool the discharged mixture of hydrogen chloride and water vapor, so that purer hydrogen chloride is obtained, and the practicability of the equipment is improved; comprising a filtering mechanism; the filtering mechanism is located on the left side of the separating mechanism, the stirring mechanism is installed in the separating mechanism, the discharging mechanism is located on the right side of the separating mechanism, the purifying mechanism is located on the right side of the discharging mechanism, and the cooling mechanism is located on the right side of the purifying mechanism.

Description

Technical Field

[0001] The utility model relates to the technical field of dechlorination devices, in particular to a by-product hydrochloric acid dechlorination device. Background Art

[0002] By-product hydrochloric acid is the hydrochloric acid gas generated in some chemical production processes, especially in the synthesis of polyvinyl chloride monomers or other chlorination reaction processes, and is generated after passing through an absorption tower; by-product hydrochloric acid is generally a colorless or slightly yellowish fuming liquid; it has a pungent sour smell; by-product hydrochloric acid is an important inorganic chemical raw material.

[0003] For example, in a class of prior arts represented by the dechlorination device disclosed in the utility model patent with the application number 202321563495.X, its main structure includes a kettle body, an exhaust port, a liquid inlet, a motor, a stirring component, a reducer, etc., and the functions of the dechlorination device are realized through the cooperation of structures such as the kettle body, the exhaust port, the liquid inlet, the motor, the stirring component, and the reducer.

[0004] Traditional dechlorination devices are difficult to discharge impurities and free substances in by-product hydrochloric acid, and are also difficult to separate hydrogen chloride from the separated hydrogen chloride and water mixture. Summary of the Utility Model

[0005] To solve the above technical problems, the utility model provides a by-product hydrochloric acid dechlorination device that discharges by-product hydrochloric acid into a filtering mechanism, heats the by-product hydrochloric acid to a certain temperature through the filtering mechanism to separate free substances in the by-product hydrochloric acid, adsorbs and filters impurities and free substances, starts a cooling mechanism to cool the discharged hydrogen chloride and water vapor mixture, thereby obtaining purer hydrogen chloride and improving the practicability of the device.

[0006] A by-product hydrochloric acid dechlorination device of the utility model includes a filtering mechanism; it also includes a separation mechanism, a stirring mechanism, a discharging mechanism, a purification mechanism, and a cooling mechanism. The filtering mechanism is located on the left side of the separation mechanism, the stirring mechanism is installed inside the separation mechanism, the discharging mechanism is located on the right side of the separation mechanism, the purification mechanism is located on the right side of the discharging mechanism, and the cooling mechanism is located on the right side of the purification mechanism; discharge by-product hydrochloric acid into the filtering mechanism, heat the by-product hydrochloric acid to a certain temperature through the filtering mechanism to separate free substances in the by-product hydrochloric acid, adsorb and filter impurities and free substances, discharge the adsorbed by-product hydrochloric acid into the separation mechanism for reheating, start the discharging mechanism to discharge hydrogen chloride in the by-product hydrochloric acid with water vapor into the purification mechanism, start the stirring mechanism to stir the by-product hydrochloric acid to make it evenly heated, start the cooling mechanism to cool the discharged hydrogen chloride and water vapor mixture, thereby obtaining purer hydrogen chloride and improving the practicability of the device.

[0007] Preferably, the filtering mechanism includes a first pipeline, a preheating barrel, a first heater, a first drain hopper, activated carbon, and a bent pipe. The output end of the first pipeline is connected to the input end of the preheating barrel. The first heater is installed on the outer wall of the preheating barrel. The input end of the first drain hopper is connected to the output end of the preheating barrel. The activated carbon is installed on the inner wall of the first drain hopper. The input end of the bent pipe is connected to the output end of the first drain hopper, and a valve is provided on the bent pipe. The by-product hydrochloric acid is discharged into the preheating barrel through the first pipeline. By starting the first heater, the by-product hydrochloric acid in the preheating barrel is heated to a certain temperature to separate the impurities and free substances in the by-product hydrochloric acid. The preheated by-product hydrochloric acid is discharged through the first drain hopper, and the impurities and free substances are adsorbed by the activated carbon. After the adsorption is completed, it is discharged into the separation mechanism through the bent pipe, improving the practicability of the equipment.

[0008] Preferably, the separation mechanism includes a separation barrel, a second heater, a second drain hopper, and a valve. The second heater is installed on the outer wall of the separation barrel. The input end of the second drain hopper is connected to the bottom end of the separation barrel, and a valve is provided at the lower part of the second drain hopper. The by-product hydrochloric acid is discharged into the separation barrel. By starting the second heater, the by-product hydrochloric acid in the separation barrel is heated to separate the hydrogen chloride in the by-product hydrochloric acid. By opening the valve, the separated by-product hydrochloric acid is discharged through the second drain hopper, improving the practicability of the equipment.

[0009] Preferably, the stirring mechanism includes a motor, a stirring shaft, and a plurality of stirring blades. The motor is installed at the top end of the separation barrel. The top end of the stirring shaft is installed on the output end of the motor. A plurality of stirring blades are provided on the stirring shaft, and the stirring shaft is located inside the motor. By starting the motor, the stirring shaft rotates, and the by-product hydrochloric acid in the separation barrel is stirred by the plurality of stirring blades respectively, improving the practicability of the equipment.

[0010] Preferably, the discharging mechanism includes a first support, a first vacuum pump, a second pipeline, and a third pipeline. The bottom end of the first vacuum pump is installed at the top end of the first support. The output end of the second pipeline is connected to the input end of the first vacuum pump. The input end of the third pipeline is connected to the output end of the first vacuum pump. The first vacuum pump is supported by the first support. By starting the first vacuum pump, the mixture of hydrogen chloride and water vapor in the separation barrel is discharged into the purification mechanism through the third pipeline, improving the practicability of the equipment.

[0011] Preferably, the purification mechanism includes a cooling barrel, a third discharge hopper, a second vacuum pump, a second vacuum pump, and a second support. The top of the third discharge hopper is installed at the bottom of the cooling barrel. The input end of the second vacuum pump is connected to the output end of the cooling barrel. The input end of the second vacuum pump is connected to the output end of the second vacuum pump. A valve is provided at the output end of the second vacuum pump. The bottom of the second vacuum pump is installed at the top of the second support. The mixture of hydrogen chloride and water vapor is cooled. By starting the second vacuum pump, the hydrogen chloride in the cooling barrel is discharged through the second vacuum pump. The second support supports the second vacuum pump, improving the practicability of the equipment.

[0012] Preferably, the cooling mechanism includes a heat exchanger, a circulation pump, a refrigerator, a fifth pipeline, and a third support. The output end of the heat exchanger is connected to the input end of the circulation pump. The output end of the circulation pump is connected to the input end of the refrigerator. The output end of the refrigerator is connected to the input end of the fifth pipeline. The output end of the fifth pipeline is connected to the input end of the heat exchanger. The bottoms of the circulation pump and the refrigerator are both installed at the top of the third support. By starting, the coolant in the heat exchanger is discharged into the refrigerator. The refrigerator cools the coolant. The cooled coolant is discharged into the heat exchanger through the fifth pipeline to cool the inside of the cooling barrel, improving the practicability of the equipment.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows: The by-product hydrochloric acid is discharged into the filtering mechanism. The by-product hydrochloric acid is heated to a certain temperature through the filtering mechanism to separate the free substances in the by-product hydrochloric acid, and the impurities and free substances are adsorbed and filtered. The adsorbed by-product hydrochloric acid is discharged into the separation mechanism for reheating. By starting the discharge mechanism, the hydrogen chloride in the by-product hydrochloric acid is discharged with water vapor into the purification mechanism. By starting the stirring mechanism, the by-product hydrochloric acid is stirred to make it evenly heated. By starting the cooling mechanism, the discharged mixture of hydrogen chloride and water vapor is cooled, thereby obtaining purer hydrogen chloride and improving the practicability of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is an isometric schematic diagram of the present utility model;

[0015] Figure 2 is a front sectional view of the filtering mechanism of the present utility model;

[0016] Figure 3 is an isometric schematic diagram of the separation mechanism of the present utility model;

[0017] Figure 4 is an isometric schematic diagram of the stirring mechanism of the present utility model;

[0018] Figure 5 is an isometric schematic diagram of the discharge mechanism of the present utility model;

[0019] Figure 6It is an axonometric schematic diagram of the purification mechanism of the present utility model;

[0020] Figure 7 It is an axonometric schematic diagram of the cooling mechanism of the present utility model.

[0021] Reference numerals in the drawings: 01, filtration mechanism; 11, first pipeline; 12, preheating barrel; 13, first heater; 14, first drainage hopper; 15, activated carbon; 16, elbow; 02, separation mechanism; 21, separation barrel; 22, second heater; 23, second drainage hopper; 24, valve; 03, stirring mechanism; 31, motor; 32, stirring shaft; 33, stirring blade; 04, discharging mechanism; 41, first support; 42, first vacuum pump; 43, second pipeline; 44, third pipeline; 05, purification mechanism; 51, cooling barrel; 52, third discharging hopper; 53, second vacuum pump; 54, fourth pipeline; 55, second support; 06, cooling mechanism; 61, heat exchanger; 62, circulation pump; 63, refrigerator; 64, fifth pipeline; 65, third support. Detailed implementation manners

[0022] To facilitate the understanding of the present utility model, the present utility model will be described more comprehensively below with reference to the relevant drawings. The present utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the disclosure of the present utility model more thorough and comprehensive. Embodiment

[0023] As Figure 1 shown, a by-product hydrochloric acid dechlorination device includes a filtration mechanism 01; it further includes a separation mechanism 02, a stirring mechanism 03, a discharging mechanism 04, a purification mechanism 05 and a cooling mechanism 06. The filtration mechanism 01 is located on the left side of the separation mechanism 02, the stirring mechanism 03 is installed in the separation mechanism 02, the discharging mechanism 04 is located on the right side of the separation mechanism 02, the purification mechanism 05 is located on the right side of the discharging mechanism 04, and the cooling mechanism 06 is located on the right side of the purification mechanism 05;

[0024] The by-product hydrochloric acid is discharged into the filtration mechanism 01, and the by-product hydrochloric acid is heated to a certain temperature through the filtration mechanism 01 to separate the free substances in the by-product hydrochloric acid, and the impurities and free substances are adsorbed and filtered. The adsorbed by-product hydrochloric acid is discharged into the separation mechanism 02 for reheating. By starting the discharging mechanism 04, hydrogen chloride in the by-product hydrochloric acid is discharged with water vapor into the purification mechanism 05. By starting the stirring mechanism 03, the by-product hydrochloric acid is stirred to make it evenly heated. By starting the cooling mechanism 06, the discharged hydrogen chloride and water vapor mixture is cooled, thereby obtaining purer hydrogen chloride and improving the practicability of the equipment;

[0025] As Figure 2As shown in the figure, the filtering mechanism 01 includes a first pipeline 11, a preheating barrel 12, a first heater 13, a first drain hopper 14, activated carbon 15 and an elbow 16. The output end of the first pipeline 11 is connected to the input end of the preheating barrel 12. The first heater 13 is installed on the outer wall of the preheating barrel 12. The input end of the first drain hopper 14 is connected to the output end of the preheating barrel 12. The activated carbon 15 is installed on the inner wall of the first drain hopper 14. The input end of the elbow 16 is connected to the output end of the first drain hopper 14. A valve is provided on the elbow 16;

[0026] The by-product hydrochloric acid is discharged into the preheating barrel 12 through the first pipeline 11. By starting the first heater 13, the by-product hydrochloric acid in the preheating barrel 12 is heated to a certain temperature to separate the impurities and free substances in the by-product hydrochloric acid. The preheated by-product hydrochloric acid is discharged through the first drain hopper 14. The activated carbon 15 adsorbs the impurities and free substances. After the adsorption is completed, it is discharged into the separation mechanism 02 through the elbow 16, improving the practicability of the equipment. Embodiment

[0027] As Figures 3 to 5 shown, on the basis of Embodiment 1, it further includes a separation mechanism 02, a stirring mechanism 03 and a discharging mechanism 04. The separation mechanism 02 includes a separation barrel 21, a second heater 22, a second drain hopper 23 and a valve 24. The second heater 22 is installed on the outer wall of the separation barrel 21. The input end of the second drain hopper 23 is connected to the bottom end of the separation barrel 21. A valve is provided at the lower part of the second drain hopper 23; The stirring mechanism 03 includes a motor 31, a stirring shaft 32 and a plurality of stirring blades 33. The motor 31 is installed at the top of the separation barrel 21. The top end of the stirring shaft 32 is installed on the output end of the motor 31. A plurality of stirring blades 33 are provided on the stirring shaft 32. The stirring shaft 32 is located inside the motor 31; The discharging mechanism 04 includes a first support 41, a first vacuum pump 42, a second pipeline 43 and a third pipeline 44. The bottom end of the first vacuum pump 42 is installed at the top of the first support 41. The output end of the second pipeline 43 is connected to the input end of the first vacuum pump 42. The input end of the third pipeline 44 is connected to the output end of the first vacuum pump 42;

[0028] The by-product hydrochloric acid is discharged into the separation barrel 21. By starting the second heater 22, the by-product hydrochloric acid in the separation barrel 21 is heated to separate the hydrogen chloride in the by-product hydrochloric acid. By opening the valve 24, the separated by-product hydrochloric acid is discharged through the second drain hopper 23. By starting the motor 31, the stirring shaft 32 rotates, and the by-product hydrochloric acid in the separation barrel 21 is stirred through a plurality of stirring blades 33 respectively. The first support 41 supports the first vacuum pump 42. By starting the first vacuum pump 42, the mixture of hydrogen chloride and water vapor in the separation barrel 21 is discharged into the purification mechanism 05 through the third pipeline 44, improving the practicability of the equipment. Embodiment

[0029] As Figure 6 and Figure 7 shown, on the basis of Embodiment 1, it further includes a purification mechanism 05 and a cooling mechanism 06. The purification mechanism 05 includes a cooling barrel 51, a third discharge hopper 52, a second vacuum pump 53, a second vacuum pump 54 and a second bracket 55. The top end of the third discharge hopper 52 is installed at the bottom end of the cooling barrel 51. The input end of the second vacuum pump 53 is connected to the output end of the cooling barrel 51. The input end of the fourth pipeline 54 is connected to the output end of the second vacuum pump 53. A valve is provided at the output end of the fourth pipeline 54. The bottom end of the second vacuum pump 53 is installed at the top end of the second bracket 55. The cooling mechanism 06 includes a heat exchanger 61, a circulation pump 62, a refrigerator 63, a fifth pipeline 64 and a third bracket 65. The output end of the heat exchanger 61 is connected to the input end of the circulation pump 62. The output end of the circulation pump 62 is connected to the input end of the refrigerator 63. The output end of the refrigerator 63 is connected to the input end of the fifth pipeline 64. The output end of the fifth pipeline 64 is connected to the input end of the heat exchanger 61. The bottom ends of the circulation pump 62 and the refrigerator 63 are both installed at the top end of the third bracket 65;

[0030] The mixture of hydrogen chloride and water vapor is cooled. By starting the second vacuum pump 53, the hydrogen chloride in the cooling barrel 51 is discharged through the fourth pipeline 54. The second bracket 55 supports the second vacuum pump 53. By starting, the coolant in the heat exchanger 61 is discharged into the refrigerator 63. The refrigerator 63 cools the coolant. The cooled coolant is discharged into the heat exchanger 61 through the fifth pipeline 64 to cool the inside of the cooling barrel 51, improving the practicability of the equipment.

[0031] As Figures 1 to 7As shown in the figure, a by-product hydrochloric acid dechlorination device of the present utility model, when working, first discharges the by-product hydrochloric acid into the preheating barrel 12 through the first pipeline 11. By starting the first heater 13, the by-product hydrochloric acid in the preheating barrel 12 is heated to a certain temperature to separate the impurities and free substances in the by-product hydrochloric acid. The preheated by-product hydrochloric acid is discharged through the first drain hopper 14, and the impurities and free substances are adsorbed by the activated carbon 15. After the adsorption is completed, it is discharged into the separation mechanism 02 through the elbow 16. Then the by-product hydrochloric acid is discharged into the separation barrel 21. By starting the second heater 22, the by-product hydrochloric acid in the separation barrel 21 is heated to separate the hydrogen chloride in the by-product hydrochloric acid. By opening the valve 24, the separated by-product hydrochloric acid is discharged through the second drain hopper 23. After that, by starting the motor 31, the stirring shaft 32 rotates, and the by-product hydrochloric acid in the separation barrel 21 is stirred through a plurality of stirring blades 33 respectively. Then, the first vacuum pump 42 is supported by the first bracket 41. By starting the first vacuum pump 42, the mixture of hydrogen chloride and water vapor in the separation barrel 21 is discharged into the purification mechanism 05 through the third pipeline 44. After that, the mixture of hydrogen chloride and water vapor is cooled. By starting the second vacuum pump 53, the hydrogen chloride in the cooling barrel 51 is discharged through the second vacuum pump 54. The second bracket 55 supports the second vacuum pump 53. Finally, by starting, the coolant in the heat exchanger 61 is discharged into the refrigerator 63. The refrigerator 63 cools the coolant, and the cooled coolant is discharged into the heat exchanger 61 through the fifth pipeline 64 to cool the inside of the cooling barrel 51, improving the practicability of the equipment.

[0032] The first heater 13, the second heater 22, the motor 31, the first vacuum pump 42, the second vacuum pump 53, the heat exchanger 61, the circulation pump 62 and the refrigerator 63 of the present utility model are purchased on the market. Those skilled in the industry only need to install and operate according to the attached operation manuals, without the need for those skilled in the art to make creative efforts.

[0033] The main functions achieved by the present utility model are: discharging the by-product hydrochloric acid into the filtering mechanism 01, heating the by-product hydrochloric acid to a certain temperature through the filtering mechanism 01 to separate the free substances in the by-product hydrochloric acid, and adsorbing and filtering the impurities and free substances. By starting the cooling mechanism 06, the discharged mixture of hydrogen chloride and water vapor is cooled, thereby obtaining purer hydrogen chloride and improving the practicability of the equipment.

[0034] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the technical principle of the present utility model, several improvements and modifications can be made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims

1. A by-product hydrochloric acid dechlorination device, comprising a filtering mechanism (01); characterized in that: The invention also includes a separation mechanism (02), a stirring mechanism (03), a discharge mechanism (04), a purification mechanism (05) and a cooling mechanism (06), wherein the filtering mechanism (01) is located on the left side of the separation mechanism (02), the stirring mechanism (03) is installed in the separation mechanism (02), the discharge mechanism (04) is located on the right side of the separation mechanism (02), the purification mechanism (05) is located on the right side of the discharge mechanism (04), and the cooling mechanism (06) is located on the right side of the purification mechanism (05).

2. A by-product hydrochloric acid dechlorination device as claimed in claim 1, characterized in that: The filtering mechanism (01) comprises a first pipe (11), a preheating barrel (12), a first heater (13), a first liquid discharge hopper (14), activated carbon (15) and a bent pipe (16); the output end of the first pipe (11) is connected to the input end of the preheating barrel (12); the first heater (13) is mounted on the outer wall of the preheating barrel (12); the input end of the first liquid discharge hopper (14) is connected to the output end of the preheating barrel (12); the activated carbon (15) is mounted on the inner wall of the first liquid discharge hopper (14); the input end of the bent pipe (16) is connected to the output end of the first liquid discharge hopper (14); and a valve is provided on the bent pipe (16).

3. A by-product hydrochloric acid dechlorination device as claimed in claim 1, characterized in that: The separation mechanism (02) comprises a separation barrel (21), a second heater (22), a second liquid discharge hopper (23) and a valve (24); the second heater (22) is mounted on the outer wall of the separation barrel (21); the input end of the second liquid discharge hopper (23) is connected to the bottom end of the separation barrel (21); and a valve is provided at the bottom of the second liquid discharge hopper (23).

4. A by-product hydrochloric acid dechlorination device as claimed in claim 3, characterized in that: The stirring mechanism (03) comprises a motor (31), a stirring shaft (32) and a plurality of stirring blades (33); the motor (31) is mounted on the top end of the separation barrel (21); the top end of the stirring shaft (32) is mounted on the output end of the motor (31); the stirring shaft (32) is provided with a plurality of stirring blades (33); and the stirring shaft (32) is located inside the motor (31).

5. A by-product hydrochloric acid dechlorination device as claimed in claim 1, characterized in that: The discharge mechanism (04) comprises a first bracket (41), a first vacuum pump (42), a second pipeline (43) and a third pipeline (44), wherein the bottom end of the first vacuum pump (42) is mounted on the top end of the first bracket (41), the output end of the second pipeline (43) is connected to the input end of the first vacuum pump (42), and the input end of the third pipeline (44) is connected to the output end of the first vacuum pump (42).

6. A by-product hydrochloric acid dechlorination device as claimed in claim 1, characterized in that: The purification mechanism (05) includes a cooling barrel (51), a third row of hoppers (52), a second vacuum pump (53), a fourth pipeline (54) and a second bracket (55), wherein the top end of the third row of hoppers (52) is mounted on the bottom end of the cooling barrel (51), the input end of the second vacuum pump (53) is connected to the output end of the cooling barrel (51), the input end of the fourth pipeline (54) is connected to the output end of the second vacuum pump (53), a valve is provided on the output end of the fourth pipeline (54), and the bottom end of the second vacuum pump (53) is mounted on the top end of the second bracket (55).

7. A by-product hydrochloric acid dechlorination device as claimed in claim 1, characterized in that: The cooling mechanism (06) comprises a heat exchanger (61), a circulation pump (62), a refrigerator (63), a fifth pipeline (64) and a third bracket (65); the output end of the heat exchanger (61) is connected to the input end of the circulation pump (62); the output end of the circulation pump (62) is connected to the input end of the refrigerator (63); the output end of the refrigerator (63) is connected to the input end of the fifth pipeline (64); the output end of the fifth pipeline (64) is connected to the input end of the heat exchanger (61); and the bottom ends of the circulation pump (62) and the refrigerator (63) are both mounted on the top end of the third bracket (65).

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