Tail gas collecting device for DOTP production

Abstract

The utility model provides a tail gas collecting device for DOTP production, which comprises a switching structure, the switching structure comprises a connecting strip and a sliding plate, the top of the sliding plate is provided with a top gas groove, the bottom of the sliding plate is provided with a bottom gas groove, the top gas groove and the bottom gas groove are arranged in a staggered manner, one side of the connecting strip is provided with a sliding strip, and the other side of the connecting strip is provided with a bottom gas groove. And the sliding strip is connected with the sliding plate. The DOTP tail gas purification device is reasonable in design, floating objects and impurities in tail gas generated in the DOTP production process can be adsorbed through the arranged activated carbon collecting structure capable of rotating, meanwhile, after the lowermost activated carbon strip is aligned to the mounting bin, the switching structure closes the gas pipe and opens the discharging opening, and the tail gas can be purified. Clean gas enters the collecting bin, the gas passes through the activated carbon strip to clean the surface of the activated carbon strip to which impurities are attached, and floating objects and the impurities are discharged through the discharging port, so that the surface of the activated carbon strip is cleaned regularly.

Description

TECHNICAL FIELD

[0001] The utility model mainly relates to DOTP production field, concretely relates to a tail gas collecting device for DOTP production. BACKGROUND

[0002] ‌DOTP is an organic compound, it is a transparent, no visible impurities oil liquid, insoluble in water, but soluble in general organic solvent‌‌. DOTP is mainly used for the plasticizer of polyvinyl chloride (PVC) plastic, has heat resistance, cold resistance, difficult volatilization, anti extraction, softness and electric insulation performance good etc., especially suitable for electric wire and cable and various PVC soft products‌.

[0003] The inventor found the following defects in the specific embodiment operation process:

[0004] But when the collecting device is adsorbed to the tail gas generated in the DOTP production process for a long time, the surface of the adsorption device will be attached with a large amount of dust, and the dust will block the DOTP from entering the inside of the collecting device, and the inside of the collecting device needs to be cleaned regularly by manual, which affects the adsorption efficiency of the tail gas in the DOTP production process.

[0005] It should be noted that the above content belongs to the technical cognition of the inventor, and due to the technical content of the field being too complex and too complicated, the above content of the present application does not necessarily constitute the prior art. CONTENT OF THE UTILITY MODEL

[0006] 1. The technical problem to be solved by the utility model:

[0007] The utility model provides a tail gas collecting device for DOTP production to solve the technical problems in the above background technology.

[0008] 2. Technical scheme:

[0009] In order to achieve the above purpose, the technical scheme provided by the utility model is: a tail gas collecting device for DOTP production, including connecting pipe, the top of connecting pipe is provided with collecting bin, the inside of collecting bin is provided with mounting plate, the inside of mounting plate is provided with mounting groove, the inside of mounting plate is provided with mounting bin, the bottom of mounting bin is provided with discharge gate, the mounting groove is connected with mounting bin, the inside of mounting bin is slidably connected with switching structure, the inside of mounting groove is rotatably connected with activated carbon collecting structure.

[0010] The switching structure includes connecting strip and sliding plate, the top of sliding plate is provided with top air groove, the bottom of sliding plate is provided with bottom air groove, the top air groove and bottom air groove are set in staggered mode, one side of connecting strip is provided with sliding strip, and the sliding strip is connected with the sliding plate.

[0011] Further, two sides of the inner wall of the collection bin are provided with natural gas nozzles, the number of the natural gas nozzles is multiple, and the multiple natural gas nozzles are distributed at equal intervals on the two sides of the inner wall of the collection bin.

[0012] Further, two sides of the top of the mounting plate are provided with guide plates, the top of the mounting plate is provided with an air pipe, and the top of the guide plate is inclined.

[0013] Further, the top of the air pipe is provided with a blocking block, the blocking block is conical, and one end of the air pipe is connected with the mounting bin.

[0014] Further, the number of the air pipes is multiple, and the multiple air pipes are distributed at equal intervals on the top of the guide plate.

[0015] Further, the activated carbon collecting structure comprises an activated carbon strip, the activated carbon strip is rotationally connected to the inside of the mounting groove, and one end of the activated carbon strip is provided with an engaging gear.

[0016] 3. Beneficial effects:

[0017] Compared with the prior art, the technical scheme has the beneficial effects that:

[0018] The activated carbon collecting structure which can rotate is arranged, so that the floating matter and impurities in the tail gas generated in the DOTP production process can be adsorbed, when the lowermost activated carbon strip is aligned with the mounting bin, the switching structure closes the air pipe and opens the discharge port, the clean gas enters the inside of the collection bin, the surface of the activated carbon strip with impurities is cleaned by the gas, the floating matter and impurities are discharged through the discharge port, and the surface of the activated carbon strip is cleaned regularly. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0020] Figure 2 It is a three-dimensional sectional structure schematic view of the utility model;

[0021] Figure 3 It is a three-dimensional structure schematic view of the activated carbon collecting structure of the utility model;

[0022] Figure 4 It is a three-dimensional structure schematic view of the switching structure of the utility model.

[0023] REFERENCE SIGNS:

[0024] 1, connecting pipe; 2, collection bin; 3, natural gas nozzle; 4, mounting plate; 5, guide plate; 6, mounting groove; 7, mounting bin; 8, discharge port; 9, gas pipe; 10, blocking block; 11, switching structure; 1101, connecting strip; 1102, sliding strip; 1103, sliding plate; 1104, top gas groove; 1105, bottom gas groove; 12, activated carbon collection structure; 1201, activated carbon strip; 1202, meshing gear. DETAILED DESCRIPTION

[0025] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the accompanying drawings, in which several embodiments of the present application are given. However, the present application can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0026] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "page", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like are based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0027] In addition, the terms "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0028] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing", "provided with", "provided in" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication 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. EMBODIMENT

[0029] Referring to the drawings Figures 1-4The utility model provides a tail gas collection device for DOTP production, including connecting pipe 1, the top of connecting pipe 1 is provided with collection bin 2, the inside of collection bin 2 is provided with mounting plate 4, the inside of mounting plate 4 is opened with installation groove 6, the inside of mounting plate 4 is opened with installation bin 7, the bottom of installation bin 7 is opened with discharge port 8, installation groove 6 is connected with installation bin 7, the inside of installation bin 7 is slidably connected with switching structure 11, the inside of installation groove 6 is rotatably connected with activated carbon collection structure 12,

[0030] Switching structure 11, including connecting strip 1101 and sliding plate 1103, the top of sliding plate 1103 is opened with top air groove 1104, the bottom of sliding plate 1103 is opened with bottom air groove 1105, top air groove 1104 is set up with bottom air groove 1105 staggered, one side of connecting strip 1101 is provided with sliding strip 1102, sliding strip 1102 is connected with sliding plate 1103, when activated carbon strip 1201 and tail gas contact surface are attached with more floating matter and impurity, motor drives activated carbon strip 1201 to rotate in the inside of installation groove 6 through meshing gear 1202, makes activated carbon strip 1201 contact surface align with installation bin 7, then starts electric push rod, and electric push rod drives connecting strip 1101 to move inwards, and connecting strip 1101 drives sliding plate 1103 to slide on the inner wall of installation bin 7, and the top air groove 1104 on the top of sliding plate 1103 closes gas pipe 9, then the bottom air groove 1105 on the bottom of sliding plate 1103 opens discharge port 8, after gas enters the inside of connecting pipe 1 and collection bin 2, gas passes through activated carbon strip 1201 and is discharged through installation bin 7 and discharge port 8, and the surface of activated carbon strip 1201 contacted with floating matter and impurity is cleaned.

[0031] Further, the two sides of the inner wall of the collection bin 2 are provided with natural gas nozzles 3, the number of the natural gas nozzles 3 is set to be multiple, and the multiple natural gas nozzles 3 are distributed at equal intervals on the two sides of the inner wall of the collection bin 2.

[0032] Further, the top of the installation plate 4 is provided with guide plates 5 on both sides, the top of the installation plate 4 is provided with air pipes 9, the top of the guide plate 5 is provided in an inclined manner, the top of the air pipe 9 is provided with a blocking block 10, the blocking block 10 is provided in a conical shape, one end of the air pipe 9 is connected with the installation bin 7, the number of the air pipe 9 is provided as multiple, multiple air pipes 9 are distributed on the top of the guide plate 5 at equal intervals, the activated carbon collecting structure 12 comprises activated carbon strips 1201, the activated carbon strips 1201 are rotationally connected to the inside of the installation groove 6, one end of the activated carbon strip 1201 is provided with an engaging gear 1202, after the activated carbon strip 1201 filters the DOTP, smaller particles will still float in the tail gas, the tail gas enters the inside of the collecting bin 2 through the air pipe 9, at the same time, the blocking block 10 can block the particles falling downward to prevent the particles from entering the discharge port 8, at the same time, the particles slide along the blocking block 10 and move to both ends of the collecting bin 2 along the inclined guide plate 5, so as to facilitate the cleaning of the particles falling in the inside of the collecting bin 2.

[0033] The above-described embodiments only express certain embodiments of the present application, and the description is more specific and detailed, but it should not be understood as limiting the scope of the present application; It should be pointed out that for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which belong to the protection scope of the present application; Therefore, the protection scope of the present application patent should be subject to the appended claims.

Claims

1. A tail gas collecting device for DOTP production, characterized in that: Comprising The connecting pipe (1) is provided with a collection bin (2) at the top, the inside of the collection bin (2) is provided with a mounting plate (4), the inside of the mounting plate (4) is provided with a mounting groove (6), the inside of the mounting plate (4) is provided with a mounting bin (7), the bottom of the mounting bin (7) is provided with a discharge port (8), the mounting groove (6) is connected with the mounting bin (7), the inside of the mounting bin (7) is slidably connected with a switching structure (11), the inside of the mounting groove (6) is rotatably connected with an activated carbon collection structure (12). The switching structure (11) comprises a connecting strip (1101) and a sliding plate (1103), the top of the sliding plate (1103) is provided with a top air groove (1104), the bottom of the sliding plate (1103) is provided with a bottom air groove (1105), the top air groove (1104) and the bottom air groove (1105) are arranged in a staggered manner, one side of the connecting strip (1101) is provided with a sliding strip (1102), and the sliding strip (1102) is connected with the sliding plate (1103).

2. The tail gas collecting device for DOTP production according to claim 1, characterized in that: The two sides of the inner wall of the collection bin (2) are provided with natural gas nozzles (3), the number of the natural gas nozzles (3) is multiple, and the multiple natural gas nozzles (3) are distributed at equal intervals on the two sides of the inner wall of the collection bin (2).

3. The tail gas collecting device for DOTP production according to claim 1, characterized in that: The two sides of the top of the mounting plate (4) are provided with guide plates (5), the top of the mounting plate (4) is provided with air pipes (9), and the top of the guide plate (5) is inclined.

4. The tail gas collecting device for DOTP production according to claim 3, characterized in that: The top of the air pipe (9) is provided with a blocking block (10), the blocking block (10) is conical, and one end of the air pipe (9) is connected with the mounting bin (7).

5. The tail gas collecting device for DOTP production according to claim 4, characterized in that: The number of the air pipes (9) is multiple, and the multiple air pipes (9) are distributed at equal intervals on the top of the guide plate (5).

6. The tail gas collecting device for DOTP production according to claim 1, characterized in that: The activated carbon collection structure (12) comprises an activated carbon strip (1201), the activated carbon strip (1201) is rotatably connected in the mounting groove (6), and one end of the activated carbon strip (1201) is provided with an engaging gear (1202).

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