Push-pull type sealing structure of flash evaporation equipment outlet

Abstract

The utility model relates to the technical field of equipment sealing, in particular to a push-pull type sealing structure of an outlet of flash evaporation equipment, which comprises the flash evaporation equipment, a vibration groove and a sealing piece, the outlet of the flash evaporation equipment is connected with a discharge cover, the discharge cover is positioned above the vibration groove, the sealing piece comprises a mounting frame, and the mounting frame is provided with a sealing cover. Sliding strips are arranged on the left side and the right side of the mounting frame, sliding rails are arranged on the inner wall face of the discharging cover, and the sliding strips are connected into the sliding rails in a sliding mode. The lower part of each side of the mounting frame is connected with a sealing curtain; the sealing curtains located on the left side, the right side and the rear side of the mounting frame are of an integrated structure and attached to the inner wall face of the feeding end of the vibration groove. The sealing curtain located on the front side is vertically divided into a plurality of pieces. By means of the push-pull type sealing piece, maintenance is more convenient and thorough, material consumption in the production process is reduced, the labor intensity of operators is relieved, and the production efficiency is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the equipment sealing technical field especially relates to a push-pull type sealing structure of flash evaporation equipment export. BACKGROUND

[0002] The flash evaporation and fluidized bed are important cut stem drying equipment of tobacco primary processing line, make cut stem to puff, dry, shape, thereby improve the filling value of cigarette, reach the purpose of improving quality and reducing consumption. The flash evaporation first carries out puffing to cut stem, then dries and shapes cut stem through fluidized bed, and the specific process is as follows: high humidity (water content 33%-40%) cut stem enters the heating cabin through the feed gas lock, the steam with the pressure of 0.4MPa is controlled through the nozzle and is sprayed into the heating cabin, the cut stem is heated and pressurized in the moment of mixing with high-temperature steam, the evaporation pressure of the water in the cut stem cell rapidly increases, when the material is pushed by steam and is sprayed out through the small diameter end of the venturi tube, due to the sudden increase of space, the evaporation pressure of the water in the cut stem is far greater than the water vapor partial pressure of space, the water is flash evaporated and evaporated violently, and the fiber organization of the cut stem is also fully expanded, thereby the volume of the cut stem is further increased, the puffing effect is obtained, the cut stem is separated from the steam through the steam separation device and falls into the gas lock, and the remaining steam is discharged by the fan. The cut stem separated from the steam through the distributor is sent into the feed end of the fluidized bed through the vibrating conveyor, thereby the purpose of drying cut stem is achieved.

[0003] The outlet of the flash evaporation equipment is connected with the downwardly open discharge cover, the flexible rubber seal is additionally arranged at the lower end of the discharge cover, the material is prevented from being sprayed out, and the steam is prevented from overflowing. However, the gap between the sealing rubber and the vibrating trough of the vibrating conveyor is small, and there is a maintenance dead angle at the joint, and cut stem is prone to accumulation. The space at the position is narrow, the cleaning tool cannot be deeply cleaned, and the maintenance is time-consuming, difficult and high in labor intensity. Before producing the next batch of cut stem, the residual material of the previous batch needs to be cleaned, which is time-consuming and labor-consuming and influences the production efficiency. Therefore, it is urgent to design a sealing structure, so that the maintenance of the outlet (discharge cover) of the flash evaporation equipment is more convenient and complete, and the material consumption in the production process is reduced. UTILITY MODEL CONTENT

[0004] The utility model aims at the deficiency of the prior art, and develops a push-pull type sealing structure of flash evaporation equipment export, the utility model discloses through push-pull type sealing piece makes the maintenance more convenient and complete, reduces the material consumption in the production process, also alleviates the labor intensity of the operator, effectively promotes the production efficiency.

[0005] The technical scheme for solving the technical problem of the utility model is as follows:

[0006] The application provides a push-pull sealing structure of a flash equipment outlet, comprising a flash equipment and a vibrating tank, a downwardly open discharge cover is connected to the outlet of the flash equipment, the discharge cover is located above the vibrating tank, the push-pull sealing structure further comprises a sealing piece, the sealing piece comprises a mounting frame matched with the discharge cover, sliding strips are outwardly arranged on the left and right sides of the mounting frame, sliding rails matched with the sliding strips are formed on the inner wall surfaces of the left and right sides of the discharge cover, and the sliding strips are slidingly connected in the sliding rails.

[0007] A sealing curtain is connected below each side of the mounting frame, the sealing curtains located on the left, right and rear sides of the mounting frame are integrated and attached to the inner wall surfaces of the feeding end of the vibrating tank, and the sealing curtain located on the front side is vertically divided into multiple pieces.

[0008] As an improvement of the above scheme, the mounting frame is made of 304 stainless steel.

[0009] As an improvement of the above scheme, the sealing curtain is made of food-grade flexible rubber.

[0010] As an improvement of the above scheme, the sliding strips are replaced by sliding blocks, the sliding blocks are slidingly connected in the sliding rails, and the push-pull sealing piece is formed by pulling out forwardly and pushing back rearwardly.

[0011] Compared with the prior art, the above scheme has the following advantages or beneficial effects:

[0012] The application significantly improves the maintenance and cleaning efficiency of the equipment by changing the fixed sealing at the discharge cover into a push-pull sealing structure. The design allows the operator to effectively clean and collect the materials near the sealing piece when pulling out the sealing piece, so that the maintenance work is more convenient and thorough. This improvement not only reduces the material waste in the production process, but also reduces the labor intensity of the operator. In addition, due to the reduction of maintenance difficulty, the maintenance time between batches is shortened, thereby effectively improving the overall production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present application, and constitute a part of the specification, together with the embodiments of the present application, to explain the present application, and do not constitute a limitation of the present application.

[0014] Fig. 1 FIG. 1 is a structural schematic view of a push-pull sealing structure of a flash equipment outlet according to the present application.

[0015] Fig. 2 FIG. 2 is a structural schematic view of a push-pull sealing structure of a flash equipment outlet according to the present application.

[0016] Fig. 3 FIG. 3 is a structural schematic view of a sealing piece according to the present application.

[0017] In the figure, 1, discharge cover; 2, sealing element; 3, vibrating chute; 201, mounting frame; 202, sliding bar; 203-204, sealing curtain. DETAILED DESCRIPTION

[0018] In order to clearly illustrate the technical features of the present application, the present application will be described in detail below with specific embodiments, and in conjunction with the accompanying drawings. The following disclosure provides many different embodiments or examples to implement the different structures of the present application. In order to simplify the disclosure of the present application, the components and settings of specific examples are described below. In addition, the present application can refer to the same reference numerals and / or letters in different examples. Such repetition is for the purpose of simplification and clarity, and does not in itself indicate a relationship between the various embodiments and / or settings being discussed. It should be noted that the components illustrated in the drawings are not necessarily drawn to scale. The present application omits the description of well-known components and processing techniques and processes to avoid unnecessarily limiting the present application. The terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be a fixed connection, or a detachable connection, or an integral connection; it can be a mechanical connection, or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or the connection between two elements inside. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0019] Referring to Figs. 1-3 The present embodiment provides a push-pull type sealing structure of the outlet of a flash evaporation device, which comprises a flash evaporation device, a sealing element 2 and a vibrating chute 3. The outlet of the flash evaporation device is connected with a downwardly open discharge cover 1. The cross section of the discharge cover 1 is rectangular. The discharge cover 1 is located above the vibrating chute 3. The material in the discharge cover 1 falls from top to bottom into the vibrating chute 3, and is then conveyed outward (forward) by the vibrating chute 3.

[0020] The sealing element 2 comprises a rectangular mounting frame 201 which is adapted to the discharge cover 1. The left and right sides of the mounting frame 201 are outwardly provided with sliding bars 202 or sliding blocks. The lower side of each side of the mounting frame 201 is connected with a sealing curtain 203, 204 made of food-grade flexible rubber.

[0021] The left and right inner wall surfaces of the discharge cover 1 are provided with sliding rails adapted to the sliding strips 202, and the sliding strips 202 are slidingly connected in the sliding rails to form the push-pull type sealing member 2.

[0022] The sealing curtains 203 located at the left, right and rear sides of the mounting frame 201 are of an integrated structure and are attached to the inner wall surfaces (left, right and rear wall surfaces) of the feed end of the vibration groove 3 to realize sealing, so as to ensure that the materials are not sprayed out and the steam is not overflowed. It should be noted that the edges of the adjacent two sealing curtains 203 contact with each other after being attached to and deformed by the vibration groove 3. The sealing curtain 204 located at the front side is formed by a plurality of rubber pieces in a row, which can prevent a large amount of steam from rapidly overflowing and facilitate the materials in the vibration groove 3 to be discharged from the side.

[0023] The mounting frame 201 and the sliding strip 202 are made of 304 stainless steel, which is suitable for food production equipment and has the ability of corrosion resistance and oxidation resistance.

[0024] During maintenance, the mounting frame 201 is pulled out (forward) outwardly through the sliding rails and the sliding strips 202, the materials accumulated at the edge of the vibration groove 3 and the outlet of the flash evaporation equipment are cleaned, and the outlet of the flash evaporation equipment and the vibration groove 3 are cleaned and maintained. After cleaning, the mounting frame 201 is pushed back, and whether the sealing curtain 203 and the inner wall of the vibration groove 3 are in good contact is checked. If there is no problem, normal production can be carried out.

[0025] Although the specific embodiments of the utility model are described above in combination with the drawings, it is not a limitation on the protection scope of the utility model. Various modifications or changes made by those skilled in the art on the basis of the technical solutions of the utility model without creative labor are still within the protection scope of the utility model.

Claims

1. A push-pull sealing structure for the outlet of a flash evaporator, comprising a flash evaporator and a vibrating trough, wherein the outlet of the flash evaporator is connected to a downward-opening discharge hood, the discharge hood being located above the vibrating trough, characterized in that: The push-pull sealing structure also includes a sealing element, which includes a mounting frame adapted to the discharge hood. Slide bars protrude outward on the left and right sides of the mounting frame. Slide rails adapted to the slide bars are provided on the left and right inner walls of the discharge hood. The slide bars are slidably connected in the slide rails. A sealing curtain is connected to the bottom of each side of the mounting frame; the sealing curtains located on the left, right and rear sides of the mounting frame are an integral structure and are attached to the inner wall of the feed end of the vibrating groove; the sealing curtain located on the front side is vertically divided into multiple pieces.

2. The push-pull sealing structure for the outlet of a flash evaporator according to claim 1, characterized in that: The mounting frame is made of 304 stainless steel.

3. The push-pull sealing structure for the outlet of a flash evaporator according to claim 1, characterized in that: The sealing curtain is made of food-grade flexible rubber.

4. The push-pull sealing structure for the outlet of a flash evaporator according to claim 1, characterized in that: The slide bar is replaced by a slider, which is slidably connected within the slide rail to form a push-pull seal that can be pulled forward and pushed back.

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