A refining device for hydrochloric acid production

Abstract

The utility model discloses a refining device for hydrochloric acid production, including the refining jar, the inside of refining jar is established with the heat conduction cavity, the inside fixedly connected with a plurality of heat conduction cavities of heat conduction cavity, one side of heat conduction cavity extends to the inner chamber of refining jar, the outer surface fixedly connected with the heat preservation cover of refining jar, the top of refining jar side wall is provided with the oil pipe of heat conduction cavity inner chamber intercommunication, the bottom of refining jar is provided with the oil discharge pipe of heat conduction cavity inner chamber intercommunication, the utility model relates to refining device technical field. The refining device for hydrochloric acid production, through the injection of heat conduction oil to the inside of heat conduction cavity after oil pipe, heat conduction cavity shunt, make the even heating of hydrochloric acid solution in the inner chamber of refining jar to heat conduction oil, and through the heat transfer of heat conduction fin, improve the heating efficiency of hydrochloric acid solution in the inner chamber of refining jar, and then improve the refining efficiency of hydrochloric acid.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of refining device, concretely is a kind of refining device for hydrochloric acid production. BACKGROUND

[0002] Hydrochloric acid is the aqueous solution of hydrogen chloride, belongs to monovalent inorganic strong acid, industrial use is widespread, the character of hydrochloric acid is colorless transparent liquid, has strong pungent smell, with higher corrosivity, concentrated hydrochloric acid has extremely strong volatility, so the container containing concentrated hydrochloric acid is opened after hydrogen chloride gas volatilizes, combines with water vapor in air to produce hydrochloric acid small droplets, makes the acid mist appear above bottle mouth, hydrochloric acid is the main component of gastric acid, it can promote food digestion, resist microbial infection.

[0003] In the production of hydrochloric acid, refining equipment is usually used to refine hydrochloric acid, and hydrogen sulfide and other gases in the hydrochloric acid are absorbed. In the production of hydrochloric acid, the hydrochloric acid solution in the device is usually heated by heat conducting oil. However, the existing refining device for hydrochloric acid production mostly uses the method of injecting heat conducting oil into the bottom of the device to heat the hydrochloric acid solution, which has poor and uneven heating effect, thereby reducing the refining efficiency of hydrochloric acid. SUMMARY

[0004] In view of the deficiencies of the prior art, the utility model provides a refining device for hydrochloric acid production, which solves the problem of the existing refining device for hydrochloric acid production, which uses the method of injecting heat conducting oil into the bottom of the device to heat the hydrochloric acid solution, which has poor and uneven heating effect.

[0005] To achieve the above purpose, the utility model realizes the following technical scheme: a refining device for hydrochloric acid production, comprising a refining tank, a heat conducting cavity is formed in the inside of the refining tank, a plurality of heat conducting cavities are fixedly connected in the inside of the heat conducting cavity, one side of the heat conducting cavity extends to the inner cavity of the refining tank, and a heat preservation sleeve is fixedly connected to the outer surface of the refining tank.

[0006] A oil guide pipe in communication with the inner cavity of the heat conducting cavity is arranged on the top of the side wall of the refining tank, and an oil discharge pipe in communication with the inner cavity of the heat conducting cavity is arranged on the bottom of the refining tank.

[0007] A cover plate is arranged on the top of the refining tank, a heat insulation plate is arranged in the inside of the cover plate, a stirring mechanism for stirring the solution in the inner cavity of the refining tank is arranged on the cover plate, and a transmission mechanism for driving the cover plate to move up and down is arranged on the side wall of the refining tank.

[0008] Further, the stirring mechanism comprises an outer shell, the outer shell is fixedly connected vertically to the upper surface of the cover plate, a motor is fixedly connected vertically in the inner cavity of the outer shell, the output shaft of the motor extends to the inner cavity of the refining tank in rotation, and a stirring shaft is fixedly connected.

[0009] Further, the transmission mechanism comprises a plurality of supports, the supports are fixedly connected to the top of the side wall of the refining tank, the surface of the support is vertically fixedly connected with a hydraulic oil cylinder, the top end of the hydraulic oil cylinder is fixedly connected with a connecting block, and the other end of the connecting block is fixedly connected with the side wall of the cover plate.

[0010] Further, the top of the side wall of the refining tank is communicated with a feeding pipe, and the bottom of the refining tank is vertically communicated with a discharging pipe, and the discharging pipe is provided with a first valve.

[0011] Further, the lower part of the side wall of the refining tank is fixedly connected with a cold water tank, the bottom of the inner cavity of the cold water tank is provided with a tail gas pipe, the other end of the tail gas pipe is communicated with the top of the inner cavity of the refining tank, and the tail gas pipe is provided with a second valve.

[0012] Further, the bottom of the cold water tank is vertically communicated with a drain pipe, and the drain pipe is provided with a third valve.

[0013] Further, the surface of the cold water tank is provided with an observation window.

[0014] Compared with the prior art, the beneficial effects of the present application are that after the heat-conducting oil is injected into the inside of the heat-conducting cavity through the oil guide pipe, the heat-conducting cavity is divided, the heat-conducting oil uniformly heats the hydrochloric acid solution in the inner cavity of the refining tank, and the heating efficiency of the hydrochloric acid solution in the inner cavity of the refining tank is improved through the heat transfer of the heat-conducting fins, thereby improving the refining efficiency of the hydrochloric acid, the heat-conducting oil after heat exchange can be discharged through the oil discharge pipe, which is beneficial to continuously refining the heat-conducting oil in the inner cavity of the refining tank, and the heat insulation sleeve can be set to heat insulation and heat insulation, reduce heat loss, improve refining efficiency, and avoid the situation that the workers are scalded, which is beneficial to the use of hydrochloric acid refining. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a front structure schematic view of the present application;

[0016] Fig. 2 It is a front structure schematic view of the present application;

[0017] Fig. 3 It is a structure schematic view of the oil guide pipe and the cover plate in the present application.

[0018] In the figure: 1, refining tank; 2, heat preservation sleeve; 3, heat conduction cavity; 4, heat conduction fin; 5, feed pipe; 6, oil guide pipe; 7, cover plate; 8, heat insulation plate; 9, shell; 10, motor; 11, support; 12, hydraulic oil cylinder; 13, connecting block; 14, blanking pipe; 15, first valve; 16, oil discharge pipe; 17, tail gas pipe; 18, second valve; 19, cold water tank; 20, exhaust pipe; 21, drain pipe; 22, third valve; 23, observation window; 24, stirring shaft. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0020] Please refer to Figs. 1-3 The utility model provides a kind of technical scheme: a refining device for hydrochloric acid production, including refining tank 1, the inside of refining tank 1 is provided with heat conduction cavity 3, several heat conduction cavities 3 are fixedly connected in the inside of heat conduction cavity 3, one side of heat conduction cavity 3 extends to the inner cavity of refining tank 1, the outer surface of refining tank 1 is fixedly connected with heat preservation sleeve 2.

[0021] The top of the side wall of refining tank 1 is provided with oil guide pipe 6 communicated with the inner cavity of heat conduction cavity 3, and the bottom of refining tank 1 is provided with oil discharge pipe 16 communicated with the inner cavity of heat conduction cavity 3.

[0022] The top of refining tank 1 is provided with cover plate 7, the inside of cover plate 7 is provided with heat insulation plate 8, cover plate 7 is provided with stirring mechanism for stirring solution in the inner cavity of refining tank 1, and the side wall of refining tank 1 is provided with transmission mechanism for driving cover plate 7 to move up and down.

[0023] After heat conduction oil is injected into the inside of heat conduction cavity 3 through oil guide pipe 6, heat conduction cavity 3 is divided, so that heat conduction oil uniformly heats the hydrochloric acid solution in the inner cavity of refining tank 1, and the heating efficiency of the hydrochloric acid solution in the inner cavity of refining tank 1 is improved through heat transfer of heat conduction fin 4, thereby improving the refining efficiency of hydrochloric acid.

[0024] The heat-exchanged heat conduction oil can be discharged through oil discharge pipe 16, which is beneficial to continuously refining the heat conduction oil in the inner cavity of refining tank 1.

[0025] Heat preservation sleeve 2 performs heat preservation and insulation, reduces heat loss, improves refining efficiency, avoids the occurrence of staff scalding, and is beneficial to hydrochloric acid refining processing.

[0026] The stirring mechanism comprises a shell 9 fixedly connected to the upper surface of the cover plate 7 in the vertical direction, and the inner cavity of the shell 9 is fixedly connected with a motor 10, the output shaft of the motor 10 extends into the inner cavity of the refining tank 1 in a rotating manner, and is fixedly connected with a stirring shaft 24.

[0027] When the motor 10 works, the stirring shaft 24 can be driven to rotate, thereby stirring the hydrochloric acid solution, improving the heating uniformity, and thereby improving the refining efficiency.

[0028] The transmission mechanism comprises a plurality of supports 11 fixedly connected to the top of the side wall of the refining tank 1, and the surface of the support 11 is fixedly connected with a hydraulic oil cylinder 12 in the vertical direction, the top end of the hydraulic oil cylinder 12 is fixedly connected with a connecting block 13, and the other end of the connecting block 13 is fixedly connected with the side wall of the cover plate 7.

[0029] When the hydraulic oil cylinder 12 is extended or retracted, the cover plate 7 can be driven to move up and down, thereby facilitating the maintenance operation in the later period.

[0030] The top of the side wall of the refining tank 1 is communicated with a feeding pipe 5, and the bottom of the refining tank 1 is vertically communicated with a discharging pipe 14, and the discharging pipe 14 is provided with a first valve 15.

[0031] The feeding pipe 5 facilitates the injection of the hydrochloric acid solution into the inner cavity of the refining tank 1, and after the first valve 15 is opened, the solution can be discharged through the discharging pipe 14.

[0032] The lower part of the side wall of the refining tank 1 is fixedly connected with a cold water tank 19, the bottom of the inner cavity of the cold water tank 19 is provided with a tail gas pipe 17, the other end of the tail gas pipe 17 is communicated with the top of the inner cavity of the refining tank 1, and the tail gas pipe 17 is provided with a second valve 18.

[0033] After the cold water is injected into the inner cavity of the cold water tank 19 through the exhaust pipe 20, the second valve 18 is opened, the tail gas enters the inner cavity of the cold water tank 19 through the tail gas pipe 17, and the cooling can cool the tail gas and absorb

[0034] The bottom of the cold water tank 19 is vertically communicated with a drain pipe 21, the drain pipe 21 is provided with a third valve 22, and the surface of the cold water tank 19 is provided with an observation window 23.

[0035] When working, the feeding pipe 5 facilitates the injection of hydrochloric acid solution into the inner cavity of the refining tank 1, and after the motor 10 works, the stirring shaft 24 can be driven to rotate, thereby stirring the hydrochloric acid solution, improving the heating uniformity, and further improving the refining efficiency; after the oil guide pipe 6 injects the heat conducting oil into the inner part of the heat conducting cavity 3, the heat conducting cavity 3 is divided, so that the heat conducting oil uniformly heats the hydrochloric acid solution in the inner cavity of the refining tank 1, and through the heat transfer of the heat conducting fins 4, the heating efficiency of the hydrochloric acid solution in the inner cavity of the refining tank 1 is improved, thereby improving the refining efficiency of the hydrochloric acid; the heat exchanged heat conducting oil can be discharged through the oil discharge pipe 16, which is beneficial to continuously refining the heat conducting oil in the inner cavity of the refining tank 1, and through the setting of the heat preservation sleeve 2, heat preservation and heat insulation can be achieved, heat loss is reduced, and the refining efficiency is improved.

[0036] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0037] The above only describes the preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A refining device for hydrochloric acid production, comprising a refining tank (1), characterized in that: The inside of the refining tank (1) is provided with a heat conduction cavity (3), a plurality of heat conduction cavities (3) are fixedly connected inside the heat conduction cavity (3), one side of the heat conduction cavity (3) extends to the inner cavity of the refining tank (1), and the outer surface of the refining tank (1) is fixedly connected with a heat preservation sleeve (2); The top of the side wall of the refining tank (1) is provided with an oil guide pipe (6) in communication with the inner cavity of the heat conduction cavity (3), and the bottom of the refining tank (1) is provided with an oil discharge pipe (16) in communication with the inner cavity of the heat conduction cavity (3); The top of the refining tank (1) is provided with a cover plate (7), the inside of the cover plate (7) is provided with an insulating plate (8), the cover plate (7) is provided with a stirring mechanism for stirring the solution in the inner cavity of the refining tank (1), and the side wall of the refining tank (1) is provided with a transmission mechanism for driving the cover plate (7) to move up and down.

2. The refining apparatus for hydrochloric acid production according to claim 1, characterized by: The stirring mechanism comprises an outer shell (9) which is fixedly connected to the upper surface of the cover plate (7) in a vertical manner, the inner cavity of the outer shell (9) is fixedly connected with a motor (10) in a vertical manner, the output shaft of the motor (10) extends to the inner cavity of the refining tank (1) in a rotating manner, and is fixedly connected with a stirring shaft (24).

3. The refining apparatus for hydrochloric acid production according to claim 1, characterized by: The transmission mechanism comprises a plurality of supports (11), and the plurality of supports (11) are fixedly connected to the top of the side wall of the refining tank (1), the surface of the support (11) is fixedly connected with a hydraulic oil cylinder (12) in a vertical manner, the top end of the hydraulic oil cylinder (12) is fixedly connected with a connecting block (13), and the other end of the connecting block (13) is fixedly connected with the side wall of the cover plate (7).

4. The refining apparatus for hydrochloric acid production according to claim 1, characterized by: The top of the side wall of the refining tank (1) is communicated with a feeding pipe (5), and the bottom of the refining tank (1) is vertically communicated with a discharging pipe (14), and the discharging pipe (14) is provided with a first valve (15).

5. The apparatus for refining hydrochloric acid according to claim 1, wherein: The bottom of the side wall of the refining tank (1) is fixedly connected with a cold water tank (19), the bottom of the inner cavity of the cold water tank (19) is provided with a tail gas pipe (17), the other end of the tail gas pipe (17) is communicated with the top of the inner cavity of the refining tank (1), and the tail gas pipe (17) is provided with a second valve (18).

6. The refining apparatus for hydrochloric acid production according to claim 5, characterized by: The bottom of the cold water tank (19) is vertically communicated with a drain pipe (21), and the drain pipe (21) is provided with a third valve (22).

7. The apparatus for refining hydrochloric acid according to claim 5, wherein: The surface of the cold water tank (19) is provided with an observation window (23).

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