Pressure regulating device for high-purity lithium fluoride reaction

Abstract

The utility model belongs to the technical field of high-purity lithium fluoride reaction, and particularly relates to a pressure regulating device for high-purity lithium fluoride reaction, which comprises a reaction kettle, a feed port is arranged above the reaction kettle, a discharge port is arranged on the left side below the reaction kettle, a ladder stand is fixedly connected to the front side of the reaction kettle, a protective fence is fixedly connected to the outer side of the ladder stand, and a pressure regulating valve is arranged on the protective fence. A pressure regulating structure is arranged in the reaction kettle, and a purifying mechanism is arranged on the right side of the reaction kettle. According to the pressure regulating device for the high-purity lithium fluoride reaction, the washing unit and the adsorption unit are integrated, so that multi-stage purification treatment on gas generated by the reaction kettle is realized. The water washing unit sprays water in a water tank into gas through a water pump and a spray head, and particulate matter and soluble pollutants in the gas are effectively removed; then, an activated carbon filter plate in the adsorption unit further adsorbs and removes impurities, peculiar smell and harmful substances in the gas, it is ensured that the discharged gas reaches the higher purity, and the strict environmental protection requirement is met.

Description

TECHNICAL FIELD

[0001] The utility model relates to high pure lithium fluoride reaction technical field, specifically for a kind of pressure regulating device of high pure lithium fluoride reaction. BACKGROUND

[0002] The reaction of high-purity lithium fluoride is mainly based on the chemical properties of lithium fluoride, especially its reaction with lithium sources (such as lithium carbonate, lithium hydroxide, etc.) and fluorine sources (such as hydrofluoric acid, ammonium fluoride, etc.). These reactions usually follow the mechanism of double decomposition reaction or neutralization reaction, by adjusting the ratio of reactants, temperature, pressure and other conditions, to promote the reaction to generate high-purity lithium fluoride. The reaction kettle is the core equipment in the preparation process of lithium fluoride, which is used to contain the reactants and carry out chemical reactions. The reaction kettle is usually equipped with a heating system, a stirring system and a temperature and pressure control system to ensure that the reaction is carried out under suitable conditions.

[0003] During the reaction process, a large amount of gas is often generated during the preparation of lithium fluoride, which may contain unreacted fluorides, water vapor or other harmful impurities, so it must be subjected to strict purification treatment.

[0004] Therefore, we propose a pressure regulating device for high-purity lithium fluoride reaction to solve the above problems. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims to provide a kind of pressure regulating device of high-purity lithium fluoride reaction to solve the problem of needing to purify the discharged gas proposed in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of pressure regulating device of high-purity lithium fluoride reaction, including reaction kettle, the inlet is set in the upper portion of the reaction kettle, the discharge port is set in the lower left side of the reaction kettle, the reaction kettle front is fixedly connected with ladder, the ladder outer side is fixedly connected with guardrail, the reaction kettle is internally provided with pressure regulating structure, the right side of the reaction kettle is provided with purification mechanism;

[0007] The purification mechanism includes water washing unit and adsorption unit;

[0008] The water washing unit includes water washing tower, water tank, water inlet pipe, spray head, water outlet pipe and water pump, the water washing tower is set to the right side of reaction kettle, the water tank bottom is fixedly connected on the upper surface of water washing tower, the water inlet pipe is fixedly connected on the upper surface of water tank, the water tank lower side is fixedly connected with pipeline and extends downward to the inside of water washing tower, the spray head is fixedly connected on the bottom of pipeline, the water outlet pipe is set to the lower portion of water washing tower, the water outlet of water pump is connected to water outlet pipe, and the water pump is set to the inside bottom surface of water washing tower;

[0009] The adsorption unit comprises exhaust pipe three, a purification tank, filter plate one, filter plate two and exhaust pipe two, one end of the exhaust pipe three is fixedly connected to the right middle part of the water washing tower, the other end of the exhaust pipe three is fixedly connected to the left side of the purification tank, the filter plate one and the filter plate two are arranged in the purification tank, and the exhaust pipe three is arranged on the right side of the purification tank.

[0010] Preferably, the filter plate one and the filter plate two are internally provided with activated carbon, the activated carbon has strong adsorption capacity and can effectively adsorb and remove impurities, peculiar smell and harmful substances in the gas, so that the purification effect is further improved, the discharged gas is more pure and meets the environmental protection requirements.

[0011] Preferably, the reaction kettle and the water washing tower are connected through the exhaust pipe one, so that the gas generated in the reaction kettle can smoothly enter the water washing tower for preliminary purification treatment, pollution caused by direct discharge of the gas into the environment is avoided, and conditions for subsequent adsorption and purification are provided.

[0012] Preferably, the exhaust pipe one is connected to the upper surfaces of the reaction kettle and the water washing tower in an inverted U shape, the inverted U-shaped design can play a condensation reflux role, and part of the liquid or steam that may overflow with the gas is condensed in the exhaust pipe and then flows back to the reaction kettle or the water washing tower.

[0013] Preferably, the pressure regulating structure comprises a back pressure valve, a gas cylinder and a movable plate, the back pressure valve is arranged in the exhaust pipe one, the gas cylinder is fixedly connected to the inner bottom surface of the reaction kettle, and the lower surface of the movable plate is fixedly connected to the output end of the gas cylinder, the pressure in the reaction kettle can be accurately controlled through the arrangement of the pressure regulating structure, the back pressure valve is used for adjusting and stabilizing the output pressure, and the combination of the gas cylinder and the movable plate realizes compression or expansion of the internal space of the reaction kettle through a mechanical mode, so that the internal pressure is further adjusted.

[0014] Preferably, the diameter of the movable plate is the same as the diameter of the inner ring of the reaction kettle, and the outer ring of the movable plate is attached to the inner wall of the reaction kettle, so that the movable plate can be closely attached to the inner wall of the reaction kettle in the moving process, leakage of the gas or the liquid is avoided, and the sealing performance of the reaction kettle is improved. Meanwhile, the diameter of the movable plate is the same as the diameter of the inner ring of the reaction kettle, so that the movable plate can change the size of the internal space of the reaction kettle to the maximum extent in the moving process, and the internal pressure is more effectively adjusted.

[0015] Preferably, the gas cylinder has two, which are arranged on the two sides of the lower surface of the movable plate, the design of the double gas cylinders provides more stable driving force, so that the movable plate is more stable and reliable in the moving process.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] 1. The high-purity lithium fluoride reaction pressure regulating device realizes multi-stage purification treatment of the gas generated by the reaction kettle through the integrated water washing unit and the adsorption unit. The water washing unit sprays the water in the water tank into the gas by using the water pump and the spray head, effectively removing the particulate matter and soluble pollutants therein; then, the activated carbon filter plate in the adsorption unit further adsorbs and removes impurities, odors and harmful substances in the gas, ensuring that the discharged gas reaches higher purity and meets strict environmental protection requirements.

[0018] 2. The high-purity lithium fluoride reaction pressure regulating device adopts a combination design of back pressure valve, air cylinder and movable plate for the pressure regulating structure, which can realize accurate control and adjustment of the internal pressure of the reaction kettle. The back pressure valve stably outputs pressure, while the air cylinder and the movable plate flexibly adjust the size of the internal space of the reaction kettle through a mechanical method, thereby adapting to the pressure requirements under different process conditions and ensuring the stability and safety of the reaction process. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a whole side structure schematic view of the utility model;

[0020] Figure 2 It is a whole front structure schematic view of the utility model;

[0021] Figure 3 It is a water washing tower internal structure schematic view of the utility model;

[0022] Figure 4 It is a reaction kettle internal structure schematic view of the utility model.

[0023] In the drawing: 1 reaction kettle, 101 inlet, 102 air cylinder, 103 movable plate, 2 guardrail, 3 ladder, 4 exhaust pipe one, 401 back pressure valve, 5 water washing tower, 501 water tank, 502 water inlet pipe, 503 spray head, 504 water outlet pipe, 505 water pump, 6 purification box, 601 filter plate one, 602 filter plate two, 603 exhaust pipe two, 7 discharge port, 8 exhaust pipe three. DETAILED DESCRIPTION

[0024] 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, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0025] Please refer to Figures 1-4 The utility model provides a technical scheme:

[0026] Embodiment one:

[0027] A kind of high-purity lithium fluoride reaction pressure regulating device, including reactor 1, as the main container of reaction, can accommodate and promote the synthesis reaction of lithium fluoride.Reactor 1 top is provided with inlet 101, reactor 1 lower left side is provided with discharge port 7, the inlet 101 provided in top is convenient for the addition of raw material, the discharge port 7 provided in lower left side is convenient for the discharge of product.Reactor 1 front is fixedly connected with ladder 3, ladder 3 outer side is fixedly connected with guardrail 2, ladder 3 provides convenient up and down passage for operator, facilitates routine maintenance and inspection.Guardrail 2 then enhances the security in the operation process, prevents accidental fall.Reactor 1 inside is provided with pressure regulating structure, reactor 1 right side is provided with purification mechanism;

[0028] Purification mechanism includes water washing unit and adsorption unit;

[0029] Water washing unit includes water washing tower 5, water tank 501, water inlet pipe 502, spray head 503, water outlet pipe 504 and water pump 505, water washing tower 5 is set to the right side of reactor 1, as the main place of water washing, can receive and handle the gas discharged from reactor 1.Reactor 1 and water washing tower 5 are connected by exhaust pipe one 4, exhaust pipe one 4 is connected to the upper surface of reactor 1 and water washing tower 5 in inverted U shape.Water tank 501 bottom is fixedly connected to the upper surface of water washing tower 5, water inlet pipe 502 is fixedly connected to the upper surface of water tank 501, water tank 501 lower side is fixedly connected with pipeline and extends downward to the inside of water washing tower 5, spray head 503 is fixedly connected to the bottom of pipeline, water outlet pipe 504 is set to the lower side of water washing tower 5, the water outlet end of water pump 505 is connected to water outlet pipe 504, water pump 505 is set to the inside bottom surface of water washing tower 5, the water in water tank 501 is pressurized and sprayed into gas, to remove particulate matter and soluble contaminants therein;

[0030] Adsorption unit includes exhaust pipe three 8, purification box 6, filter plate one 601, filter plate two 602 and exhaust pipe two 603, one end of exhaust pipe three 8 is fixedly connected to the right side middle part of water washing tower 5, the other end of exhaust pipe three 8 is fixedly connected to the left side of purification box 6, to provide installation space for activated carbon filter plate, to further remove impurities, odour and harmful substances in gas.Filter plate one 601 and filter plate two 602 are set to the inside of purification box 6, activated carbon is arranged in filter plate one 601 and filter plate two 602, to ensure the purity of exhaust gas by using the strong adsorption of activated carbon.Exhaust pipe three 8 is set to the right side of purification box 6, to guide gas through purification box 6 and complete final discharge.

[0031] Example two:

[0032] On the basis of embodiment one, the pressure regulating structure includes back pressure valve 401, air cylinder 102 and movable plate 103. Back pressure valve 401 is arranged inside exhaust pipe one 4, used for adjusting and stabilizing output pressure, ensuring the stability of the reaction process. Air cylinder 102 is fixedly connected to the bottom surface inside the reaction kettle 1, and the lower surface of the movable plate 103 is fixedly connected to the output end of the air cylinder 102. The diameter of the movable plate 103 is the same as the inner diameter of the reaction kettle 1, and the outer circle of the movable plate 103 is in close contact with the inner wall of the reaction kettle 1. There are two air cylinders 102, which are arranged on both sides of the lower surface of the movable plate 103, and the internal space of the reaction kettle is compressed or expanded through a mechanical method, so as to accurately control the internal pressure. The double-cylinder design provides more stable driving force, making the movement of the movable plate more stable and reliable.

[0033] Working principle: The gas generated in the reaction kettle 1 enters the water washing tower 5 through the exhaust pipe one 4. The water in the water tank 501 is pressurized and sprayed into the gas entering the water washing tower 5 through the pipeline and the spray head 503, to remove the particulate matter and soluble pollutants therein. The purified gas is discharged through the exhaust pipe three 8 at the bottom of the water washing tower 5, ready for the next stage of purification.

[0034] The water-washed gas enters the purification tank 6 through the exhaust pipe three 8. In the purification tank 6, the gas passes through filter plate one 601 and filter plate two 602, and uses the strong adsorption of activated carbon to remove impurities, odors and harmful substances in the gas. The purified gas is discharged through the exhaust pipe two 603 to meet the emission standard.

[0035] The back pressure valve 401 is arranged inside the exhaust pipe one 4, and automatically adjusts the valve opening according to the set pressure value, so as to stabilize the output pressure and protect the reaction kettle from the influence of excessive pressure. Through the extension and retraction movement of the air cylinder 102, the movable plate 103 is driven to move up and down inside the reaction kettle 1. The diameter of the movable plate 103 is the same as the inner diameter of the reaction kettle 1 and closely fits, effectively changing the size of the internal space of the reaction kettle 1, so as to realize accurate control of the internal pressure.

[0036] It should be noted that in this text, relational terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the element defined by the statement "including a" does not exclude the presence of additional identical elements in the process, method, article or equipment including the element.

Claims

1. A pressure regulating device for high-purity lithium fluoride reaction, comprising a reaction kettle (1), characterized in that: A material inlet (101) is provided on the top of the reactor (1), a material outlet (7) is provided on the left side below the reactor (1), a ladder (3) is fixedly connected to the front of the reactor (1), a guardrail (2) is fixedly connected to the outside of the ladder (3), a pressure regulating structure is provided inside the reactor (1), and a purification mechanism is provided on the right side of the reactor (1); The purification mechanism includes a water washing unit and an adsorption unit; The water washing unit comprises a water washing tower (5), a water tank (501), a water inlet pipe (502), a nozzle (503), a water outlet pipe (504) and a water pump (505); the water washing tower (5) is arranged on the right side of the reactor (1); the bottom of the water tank (501) is fixedly connected to the upper surface of the water washing tower (5); the water inlet pipe (502) is fixedly connected to the upper surface of the water tank (501); a pipeline is fixedly connected below the water tank (501) and extends downward to the inside of the water washing tower (5); the nozzle (503) is fixedly connected to the bottom of the pipeline; the water outlet pipe (504) is arranged below the water washing tower (5); the water outlet end of the water pump (505) is connected to the water outlet pipe (504); and the water pump (505) is arranged on the inner bottom surface of the water washing tower (5); The adsorption unit comprises an exhaust pipe three (8), a purification box (6), a filter plate one (601), a filter plate two (602) and an exhaust pipe two (603), one end of the exhaust pipe three (8) is fixedly connected to the middle of the right side of the water washing tower (5), and the other end of the exhaust pipe three (8) is fixedly connected to the left side of the purification box (6), the filter plate one (601) and the filter plate two (602) are arranged inside the purification box (6), and the exhaust pipe three (8) is arranged on the right side of the purification box (6).

2. The pressure regulating device for high-purity lithium fluoride reaction according to claim 1, characterized in that: Activated carbon is provided inside the filter plate 1 (601) and the filter plate 2 (602).

3. The pressure regulating device for high-purity lithium fluoride reaction according to claim 1, characterized in that: The reactor (1) and the water washing tower (5) are connected via an exhaust pipe (4).

4. The pressure regulating device for high-purity lithium fluoride reaction according to claim 3, characterized in that: The exhaust pipe 1 (4) is connected to the upper surface of the reaction kettle (1) and the water washing tower (5) in an inverted U shape.

5. The pressure regulating device for high-purity lithium fluoride reaction according to claim 1, characterized in that: The pressure regulating structure comprises a back pressure valve (401), a cylinder (102) and a movable plate (103); the back pressure valve (401) is arranged inside the exhaust pipe (4); the cylinder (102) is fixedly connected to the bottom surface of the reactor (1); and the lower surface of the movable plate (103) is fixedly connected to the output end of the cylinder (102).

6. The pressure regulating device for high-purity lithium fluoride reaction according to claim 5, characterized in that: The diameter of the movable plate (103) is the same as the diameter of the inner ring of the reactor (1), and the outer ring of the movable plate (103) is in contact with the inner wall of the reactor (1).

7. The pressure regulating device for high-purity lithium fluoride reaction according to claim 5, characterized in that: There are two cylinders (102), which are respectively arranged on both sides of the lower surface of the movable plate (103).

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