Spray fusion machine

Abstract

A spray fusion machine relates to the technical field of fusion devices and comprises a mixing cavity, a stirring structure is rotatably arranged at the bottom of the mixing cavity, the mixing cavity is provided with an air inlet assembly around the stirring structure, and a spray assembly is arranged in the area, above the stirring structure, of the mixing cavity. The fluidized bed reactor solves the problems that most of fluidized bed reactors in the prior art mix materials and fusion agents into a fluidized state by means of air flow sprayed out of a nozzle, but in the actual production process, when some silicon-carbon negative electrode materials are treated, especially when large particles are large, coating is uneven, material accumulation at the bottom is serious, and product quality is greatly affected.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of fusion device technology, concretely relates to a spraying fusion machine. BACKGROUND

[0002] With the rapid development of new energy and energy storage industry, lithium battery material production technology also develops rapidly. For powder material CVD coating process, the fluidized bed is one of the ideal deposition equipment, which can be used for coating modification of graphite negative electrode material in the field of lithium battery materials. In the powder coating process, high-purity nitrogen and organic gas are mainly used, which are sprayed into the reactor during operation, and the reactor is filled with powder, thereby forming uniform coating.

[0003] The prior art discloses a patent with the announcement number CN118105903A, which sets at least part of the microwave assembly on the reaction container, the microwave assembly is used for emitting microwave energy and delivering the microwave energy into the reaction chamber of the reaction container, the bubble breaker is arranged in the reaction chamber of the reaction container, the bubble breaker is used for breaking the bubbles between the reaction materials in the reaction chamber of the reaction container, and at least part of the bubble breaker can heat the reaction materials under the action of microwaves; the reactor is peripherally provided with a cooling design, the heating mode of microwaves can realize rapid response heating effect through input of microwaves with different powers, and the external forced liquid cooling of the reactor realizes rapid response cooling effect through adjustment of the circulating flow rate of the refrigerant medium, thereby realizing precise temperature control.

[0004] With the use of the existing device, the deficiencies of the technology are gradually exposed, mainly in the following aspects:

[0005] At present, most of the fluidized bed reactors mix the material and the fusing agent into a fluidized state by the gas flow sprayed by the nozzle, but it is found in actual production process that when processing some silicon-carbon negative electrode materials, especially when there are many large particles, the coating is uneven, the material accumulates seriously at the bottom, and the product quality is greatly affected.

[0006] As can be seen from the above, the prior art obviously has inconvenience and defects in actual use, so it is necessary to improve. UTILITY MODEL CONTENT

[0007] In view of the defects in the prior art, the utility model solves the problem that in the traditional technology, the fluidized bed reactor mixes the material and the fusing agent into a fluidized state by the gas flow sprayed by the nozzle, but it is found in actual production process that when processing some silicon-carbon negative electrode materials, especially when there are many large particles, the coating is uneven, the material accumulates seriously at the bottom, and the product quality is greatly affected.

[0008] To solve the above problems, the utility model provides the following technical scheme:

[0009] A spray fusion machine includes a mixing chamber, a stirring structure rotatably provided at the bottom of the mixing chamber, an air intake assembly provided around the stirring structure in the mixing chamber, and a spray assembly provided in the area of ​​the mixing chamber above the stirring structure.

[0010] As an optimized solution, several spray components are arranged side by side from top to bottom.

[0011] As an optimized solution, the air intake assembly includes air intake pipes fixedly connected in parallel to the opposite outer walls of the mixing chamber, the outlet end of the air intake pipes communicating with the inner cavity of the mixing chamber, and the inlet ends of the air intake pipes being connected to the main pipe.

[0012] As an optimized solution, the stirring structure includes a stirring spiral rotatably mounted at the bottom of the mixing chamber, and a power source for driving the stirring spiral to rotate is fixedly connected to the lower end of the mixing chamber.

[0013] As an optimized solution, a discharge cylinder is fixedly connected to the bottom of the mixing chamber at an angle downwards, and a discharge tube connected to the discharge cylinder is fixedly connected vertically downwards. A valve block for switching on and off the inlet end of the discharge tube is slidably provided inside the discharge cylinder.

[0014] As an optimized solution, a filter chamber is connected to the top of the mixing chamber, a filter cartridge is fixedly installed inside the filter chamber, and an exhaust pipe is connected to the top of the filter chamber.

[0015] As an optimized solution, the filter chamber and the mixing chamber are connected by a downwardly tapered transition cone.

[0016] As an optimized solution, a top observation window is fixed to the outer wall of the filter cavity.

[0017] As an optimized solution, a bottom observation window is fixed to the outer wall of the mixing chamber near the bottom.

[0018] As an optimized solution, a feed cylinder communicating with the inner cavity is fixedly attached to the side wall of the mixing chamber at an angle downwards.

[0019] As an optimized solution, a cylinder for driving the valve block to slide is fixedly connected to the lower end of the unloading cylinder.

[0020] Compared with the prior art, the beneficial effects of this utility model are:

[0021] The above-mentioned technical solution is ingeniously conceived and rationally structured. By combining the spiral stirring and air intake components, it can not only prevent the sedimentation of materials at the bottom, but also circulate and distribute the airflow at the bottom evenly, making the airflow in the mixing chamber more uniform. This results in a more uniform coating of raw materials and fusing agents, thereby improving product quality. Attached Figure Description

[0022] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the drawings required to be used in the specific embodiments or the prior art description will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn according to the actual proportions.

[0023] Figure 1 It is a structural schematic diagram of the present application;

[0024] Figure 2 It is a structural schematic diagram of the outside of the present application;

[0025] Figure 3 It is Figure 2 A-A cross-sectional structural schematic diagram.

[0026] In the drawings: 1-mixing chamber; 2-transition cone; 3-filtering chamber; 4-filter cartridge; 5-exhaust pipe; 6-top observation window; 7-spray assembly; 8-stirring screw; 9-power source; 10-air inlet assembly; 11-discharge cylinder; 12-discharge cylinder; 13-cylinder; 14-bottom observation window; 15-feeding cylinder; 16-blowing assembly; 17-air inlet pipe; 18-main pipeline. DETAILED DESCRIPTION

[0027] The embodiments of the technical solutions of the present application will be described in detail below with reference to the drawings. The following embodiments are only used to more clearly illustrate the technical solutions of the present application, and therefore only serve as examples, and cannot limit the protection scope of the present application.

[0028] As Figures 1 to 3 shown, the spray fusion machine comprises a mixing chamber 1, a stirring structure is rotatably arranged at the bottom of the mixing chamber 1, an air inlet assembly 10 is arranged around the stirring structure of the mixing chamber 1, and a spray assembly 7 is arranged at the region above the stirring structure of the mixing chamber 1.

[0029] The spray assembly 7 is arranged in parallel from top to bottom, and the spray assembly 7 is selected according to the flow state of different materials, so that the spray effect is the best.

[0030] The air inlet assembly 10 comprises air inlet pipes 17 which are fixedly connected to the opposite outer walls of the mixing chamber 1 in parallel, the outlet ends of the air inlet pipes 17 are communicated with the inner cavity of the mixing chamber 1, and the inlet ends of the air inlet pipes 17 are connected to the main pipeline 18.

[0031] The stirring structure comprises a stirring screw 8 which is rotatably installed at the bottom of the mixing chamber 1, and the lower end of the mixing chamber 1 is fixedly connected with a power source 9 which drives the stirring screw 8 to rotate.

[0032] The bottom of the mixing cavity 1 is fixedly connected with a discharging cylinder 11 which is inclined downward, and a discharging cylinder 12 is vertically and downward fixedly connected with the discharging cylinder 11 and communicates with the discharging cylinder 11.

[0033] The top of the mixing cavity 1 is connected with a filtering cavity 3, and the filtering cavity 3 is fixedly provided with a filter cylinder 4, and the top of the filtering cavity 3 is connected with an exhaust pipe 5.

[0034] The filtering cavity 3 and the mixing cavity 1 are communicated through a transition cone 2 which is arranged in a tapered downward manner, so as to facilitate the falling of materials; the gas rising downward can slow down the flow rate through the opening structure, and the filter cylinder 4 can be filtered.

[0035] The outer wall of the filtering cavity is further provided with a blowing assembly 16 which communicates with the inner cavity of the filtering cavity, so as to blow and clean the filter cylinder in a reverse direction.

[0036] The outer wall of the filtering cavity 3 is fixedly connected with a top observation window 6.

[0037] The outer wall of the mixing cavity 1 close to the bottom is fixedly connected with a bottom observation window 14.

[0038] The outer wall of the mixing cavity 1 is fixedly connected with a feeding cylinder 15 which communicates with the inner cavity of the mixing cavity 1 and is inclined downward.

[0039] The lower end of the discharging cylinder 11 is fixedly connected with a gas cylinder 13 which drives the valve block to slide, and the automatic discharging can be realized through the pulling of the cylinder rod.

[0040] The working principle of the device is as follows:

[0041] Before the raw materials are added from the feeding cylinder 15, the cylinder rod of the gas cylinder 13 is extended, the valve block is driven to slide, and the discharging cylinder 12 is in a closed state; after the raw materials are added from the feeding cylinder 15, the feeding cylinder 15 is blocked, the air inlet assembly 10 is in an air inlet state, the raw materials are boiled, the stirring screw 8 is continuously stirred, the bottom deposited materials are rolled again and are carried upward by the airflow, the spraying assembly 7 continuously sprays the organic liquid, the raw material particles are uniformly coated with the organic liquid, the airflow carries some small particles through the filtering cavity 3, and finally the airflow is continuously discharged through the exhaust pipe 5, so as to realize the pressure balance of the mixing cavity 1; after the coating is completed, the airflow assembly is closed, the cylinder rod of the gas cylinder 13 is retracted into the cylinder body, the discharging cylinder 12 is in an open state, and the stirring assembly is rotated to discharge the materials from the discharging port.

[0042] By adopting the above technical scheme, the structure is reasonable, the cooperation of the spiral stirring and the air inlet assembly 10 can prevent the deposition of the bottom materials and circulate and uniformly distribute the airflow at the bottom, so that the airflow in the mixing cavity is more uniform, the coating of the raw materials and the fusion agent is more uniform, and the product quality is improved.

[0043] Finally, it should be noted that: the above embodiments are used to illustrate the technical solutions of the present application, rather than limiting them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application, and they should be covered in the scope of the claims and the specification of the present application.

Claims

1. A spray fusion machine characterized by: The utility model provides a mixing cavity (1), the bottom of mixing cavity (1) is provided with stirring structure, mixing cavity (1) is provided with air inlet assembly (10) around stirring structure, the area of mixing cavity (1) above stirring structure is provided with spray assembly (7).

2. The spray coalescer of claim 1, wherein: The spray assembly (7) is provided with several from top to bottom.

3. The spray coalescer of claim 1, wherein: The air inlet assembly (10) includes air inlet pipe (17) fixedly connected on the opposite outer wall of the mixing cavity (1), the outlet end of the air inlet pipe (17) is communicated with the inner cavity of the mixing cavity (1), and the inlet end of the air inlet pipe (17) is connected to the main pipeline (18).

4. The spray coalescer of claim 1, wherein: The stirring structure includes stirring screw (8) rotatably installed on the inner bottom of the mixing cavity (1), and the lower end of the mixing cavity (1) is fixedly connected with power source (9) for driving the stirring screw (8) to rotate.

5. The spray coalescer of claim 1, wherein: The bottom of the mixing cavity (1) is fixedly connected with discharge cylinder (11) inclined downward, the discharge cylinder (11) is fixedly connected with discharge cylinder (12) communicated therewith vertically downward, and the discharge cylinder (11) is slidably provided with valve block for opening and closing the inlet end of the discharge cylinder (12).

6. The spray coalescer of claim 1, wherein: The top of the mixing cavity (1) is connected with filter cavity (3), the filter cavity (3) is fixedly provided with filter cylinder (4), and the top of the filter cavity (3) is connected with exhaust pipe (5).

7. The spray coalescer of claim 6, wherein: The filter cavity (3) and the mixing cavity (1) are communicated through the transition cone (2) arranged in a tapered manner downward.

8. The spray coalescer of claim 6, wherein: The outer wall of the filter cavity (3) is fixedly connected with top observation window (6).

9. The spray coalescer of claim 1, wherein: The outer wall of the mixing cavity (1) close to the bottom is fixedly connected with bottom observation window (14).

10. The spray coalescer of claim 5, wherein: The lower end of the discharge cylinder (11) is fixedly connected with air cylinder (13) for driving the valve block to slide.

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