Liquid filling ventilation device

Abstract

The utility model relates to the technical field of tools for chemical reagent production workshops, and discloses a liquid filling ventilation device which comprises a wind scooper, mounting holes are formed between the upper side wall and the lower side wall of the four corners of the wind scooper, and a solid gas processing mechanism is arranged at the top end of the wind scooper. And two active air draft mechanisms are symmetrically arranged at the top of the fixed gas treatment mechanism, and the solid gas treatment mechanism comprises a sealing cover fixedly connected to an opening in the upper portion of the wind scooper. The whole liquid filling ventilation device adopts an integrated hoisting structure design, the bottom of the whole liquid filling ventilation device is provided with the wind scooper which can be installed in a hoisting mode, the solid gas processing mechanism is arranged above the wind scooper, and the active air draft mechanism is arranged above the solid gas processing mechanism. The whole device can be conveniently and flexibly arranged and mounted in a chemical reagent workshop through the mounting holes in the wind scooper at the bottom of the device in cooperation with bolts.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical reagent production workshop appliances, in particular to a liquid filling ventilation device. Background Art

[0002] Chemical reagents are relative standard substances for chemical research and component analysis. They are important conditions for scientific and technological progress and are widely used in the synthesis, separation, qualitative and quantitative analysis of substances. They can be said to be the eyes of chemists. In the daily work of factories, schools, hospitals and research institutes, chemical reagents are indispensable. At present, when chemical reagents are prepared and filled in their production workshops, they often produce harmful gases, so liquid filling ventilation devices are needed.

[0003] The existing liquid filling ventilation device still has the following problems when in use: it usually adopts a liquid-passing gas processing structure design, and the air guide structure of the ventilation device often adopts a top-mounted structure design, and the gas liquid-passing pool often adopts a bottom-mounted design. The connected gas output pipeline is long, and the liquid-passing pool body is inconvenient to maintain. The overall liquid filling ventilation device cannot be conveniently and flexibly arranged and installed in the chemical reagent workshop. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] In view of the deficiencies of the prior art, the utility model provides a liquid filling ventilation device, which solves the problems raised by the background technology.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a liquid filling ventilation device, comprising an air guide hood, wherein mounting holes are provided between the upper and lower side walls at the four corners of the air guide hood, a solid gas processing mechanism is arranged on the top of the air guide hood, and two active exhaust mechanisms are symmetrically arranged on the top of the fixed gas processing mechanism, the solid gas processing mechanism comprises a sealing hood fixedly connected to the opening above the air guide hood, a physical adsorption filter plate is slidably connected to the lower inner wall of the sealing hood, a chemical adsorption filter plate is slidably connected to the lower inner wall of the sealing hood, and two pipe grooves are symmetrically provided on the inner top wall of the sealing hood, the active exhaust mechanism comprises an exhaust pipe fixedly connected to the pipe groove, and a fan is fixedly installed on the top of the exhaust pipe.

[0008] As a further solution of the utility model: a slide groove is provided at the front end of the sealing cover corresponding to the front end of the physical adsorption filter plate and the chemical adsorption filter plate, a sealing block is slidably connected in the slide groove, two handles are symmetrically fixedly connected between the front side walls of the two sealing blocks, the rear end of the upper sealing block is fixedly connected to the chemical adsorption filter plate, and the rear end of the lower sealing block is fixedly connected to the physical adsorption filter plate.

[0009] As a further solution of the utility model: the air guide cover is a convex cover, and a rubber gasket is fixedly sleeved on the outer end of the outer side wall above the air guide cover.

[0010] As a further solution of the utility model: a group of air inlet grooves are opened at the bottom of the air guide cover, and a group of air inlet grooves is multiple and arranged at equal distances from front to back. The air inlet end at the bottom of the fan is fixedly connected to the exhaust pipe on the corresponding side, and the air outlet end at the top of the fan is fixedly connected to the exhaust pipe.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. In the utility model, the overall liquid filling ventilation device adopts an integrated hoisting structure design, a hoistable wind guide cover is arranged at the bottom, a solid gas processing mechanism is arranged above the wind guide cover, and an active exhaust mechanism is arranged above the solid gas processing mechanism. The overall device can be conveniently and flexibly arranged and installed in a chemical reagent workshop through the mounting holes on the bottom wind guide cover and the bolts.

[0013] 2. In the utility model, the solid gas treatment mechanism adopts a structural design that is convenient for maintenance, which includes a sealing cover, and the front end of the sealing cover is provided with two slide grooves, and sealing blocks are slidably connected in the two slide grooves, and the rear end of the lower sealing block is fixedly connected to a physical adsorption filter plate slidably installed in the sealing cover, and the rear end of the upper sealing block is fixedly connected to a chemical adsorption filter plate installed in the sealing cover with a slider, and a handle is fixedly connected between the two sealing blocks, which is convenient for pulling out the filter plate structure and replacing, cleaning and maintaining the filter plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is an overall three-dimensional diagram of the utility model;

[0015] Figure 2 This is a three-dimensional diagram of the air guide cover structure of the utility model;

[0016] Figure 3 It is a three-dimensional diagram of the solid gas processing mechanism of the utility model;

[0017] Figure 4 It is a three-dimensional diagram of the active exhaust mechanism of the utility model.

[0018] In the figure: 1. air guide cover; 2. rubber gasket; 3. mounting hole; 4. solid gas processing mechanism; 5. active exhaust mechanism; 6. air inlet groove; 41. sealing cover; 42. pipe groove; 43. slide groove; 44. sealing block; 45. handle; 46. chemical adsorption filter plate; 47. physical adsorption filter plate; 51. fan; 52. exhaust pipe; 53. exhaust pipe. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] It should be noted that the chemical adsorption filter plate 46 and the physical adsorption filter plate 47 are existing technologies. When the chemical adsorption filter plate 46 is specifically arranged, a filter plate made of a corresponding reactive adsorbent material should be used to produce gases in the chemical reagent workshop. The physical adsorption filter plate 47 is made of filter cotton and activated carbon and other materials, which can adsorb particulate waste in the gas. This is common knowledge among personnel in this technical field and will not be elaborated here.

[0021] See also Figures 1 to 4 In an embodiment of the utility model, a liquid filling ventilation device includes an air guide cover 1, and mounting holes 3 are opened between the upper and lower side walls at four corners of the air guide cover 1. A solid gas processing mechanism 4 is arranged on the top of the air guide cover 1. Two active exhaust mechanisms 5 are symmetrically arranged on the top of the fixed gas processing mechanism 4. The solid gas processing mechanism 4 includes a sealing cover 41 fixedly connected to the opening above the air guide cover 1, and a physical adsorption filter plate 47 is slidably connected to the lower inner wall of the sealing cover 41. A chemical adsorption filter plate 46 is slidably connected to the lower inner wall of the sealing cover 41. The sealing cover 41 The inner top wall is symmetrically provided with two pipe grooves 42, and the active exhaust mechanism 5 includes an exhaust pipe 52 fixedly connected to the pipe groove 42, and a fan 51 is fixedly installed on the top of the exhaust pipe 52. The overall liquid filling ventilation device adopts an integrated hoisting structure design, and a hoisting air guide cover 1 is arranged at the bottom, and a solid gas processing mechanism 4 is arranged above the air guide cover 1, and an active exhaust mechanism 5 is arranged above the solid gas processing mechanism. The overall device can be conveniently and flexibly arranged and installed in a chemical reagent workshop through the mounting holes 3 on the bottom air guide cover 1 and the bolts.

[0022] A slide groove 43 is provided at the front end of the sealing cover 41 corresponding to the front end of the physical adsorption filter plate 47 and the chemical adsorption filter plate 46, and a sealing block 44 is slidably connected in the slide groove 43. Two handles 45 are symmetrically fixedly connected between the front side walls of the two sealing blocks 44. The rear end of the upper sealing block 44 is fixedly connected to the chemical adsorption filter plate 46, and the rear end of the lower sealing block 44 is fixedly connected to the physical adsorption filter plate 47. The solid gas processing mechanism 4 adopts a structural design that is convenient for maintenance, which includes a sealing cover 41, and the front end of the sealing cover 41 is provided with two slide grooves 43, and the two slide grooves 43 are slidably connected with the sealing blocks 44. The rear end of the lower sealing block 44 is fixedly connected to the physical adsorption filter plate 47 slidably installed in the sealing cover 41, and the rear end of the upper sealing block 44 is fixedly connected to the chemical adsorption filter plate 46 installed in the sealing cover 41 by a slider. A handle 45 is fixedly connected between the two sealing blocks 44, which is convenient for extracting the filter plate structure and replacing, cleaning and maintaining the filter plate.

[0023] The air guide cover 1 is a convex cover, and a rubber gasket 2 is fixedly sleeved on the outer end of the outer side wall above the air guide cover 1. The entire device can be installed in a hanging and embedded manner at the ventilation place of the chemical reagent production workshop through the mounting holes 3 on the air guide cover 1 in conjunction with bolts, and the rubber gasket 2 plays an auxiliary sealing role.

[0024] A group of air inlet grooves 6 are provided at the bottom of the air guide cover 1. There are multiple air inlet grooves 6 and they are arranged at equal distances from front to back. The air inlet end at the bottom of the fan 51 is fixedly connected to the exhaust pipe 52 on the corresponding side. The air outlet end at the top of the fan 51 is fixedly connected to the exhaust pipe 53. The fan 51 exhausts air through the two exhaust pipes 52. The gas in the chemical reagent production workshop enters the air guide cover 1 through the multiple air inlet grooves 6, and then enters the sealing cover 41. The gas is processed by the physical adsorption filter plate 47 and the chemical adsorption filter plate 46 in turn, and is finally discharged through the two exhaust pipes 53 to complete the liquid filling ventilation work.

[0025] The working principle of the utility model is as follows: the overall liquid filling ventilation device adopts an integrated hoisting structure design, a hoistable wind guide cover 1 is arranged at the bottom, a solid gas processing mechanism 4 is arranged above the wind guide cover 1, and an active exhaust mechanism 5 is arranged on the 4 sides of the solid gas processing mechanism. The overall device can be conveniently and flexibly arranged and installed in the chemical reagent workshop through the mounting holes 3 on the bottom wind guide cover 1 in conjunction with bolts. The fan 51 exhausts air through two exhaust pipes 52. The gas in the chemical reagent production workshop enters the wind guide cover 1 through multiple air inlet grooves 6, and then enters the sealing cover 41. The gas is processed by the physical adsorption filter plate 47 and the chemical adsorption filter plate 46 in turn, and is finally discharged through two exhaust pipes 53 to complete the liquid filling ventilation work.

[0026] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A liquid filling ventilation device, comprising an air guide cover (1); Features: Mounting holes (3) are provided between the upper and lower side walls at the four corners of the air guide cover (1); a solid gas processing mechanism (4) is provided at the top of the air guide cover (1); and two active air extraction mechanisms (5) are symmetrically arranged at the top of the solid gas processing mechanism (4); The solid gas processing mechanism (4) comprises a sealing cover (41) fixedly connected to the upper opening of the air guide cover (1), a physical adsorption filter plate (47) being slidably connected to the lower inner wall of the sealing cover (41), and a chemical adsorption filter plate (46) being slidably connected to the lower inner wall of the sealing cover (41); The inner top wall of the sealing cover (41) is symmetrically provided with two tube grooves (42), and the active air exhaust mechanism (5) comprises an air exhaust pipe (52) fixedly connected to the tube groove (42), and a fan (51) is fixedly installed at the top end of the air exhaust pipe (52).

2. A liquid filling ventilation device according to claim 1, characterized in that: A slide groove (43) is provided at the front end of the sealing cover (41) corresponding to the front end of the physical adsorption filter plate (47) and the chemical adsorption filter plate (46).

3. A liquid filling ventilation device according to claim 2, characterized in that: A sealing block (44) is slidably engaged in the sliding groove (43), and two handles (45) are symmetrically fixedly connected between the front side walls of the two sealing blocks (44).

4. A liquid filling ventilation device according to claim 3, characterized in that: The rear end of the upper sealing block (44) is fixedly connected to a chemical adsorption filter plate (46), and the rear end of the lower sealing block (44) is fixedly connected to a physical adsorption filter plate (47).

5. A liquid filling ventilation device according to claim 1, characterized in that: The air guide cover (1) is a convex cover, and a rubber gasket (2) is fixedly sleeved on the outer end of the upper outer wall of the air guide cover (1).

6. A liquid filling ventilation device according to claim 1, characterized in that: A group of air inlet grooves (6) are provided at the bottom of the air guide cover (1), and the group of air inlet grooves (6) is multiple and arranged at equal distances from front to back.

7. A liquid filling ventilation device according to claim 1, characterized in that: The air inlet end at the bottom of the fan (51) is fixedly connected to an air extraction pipe (52) on a corresponding side thereof, and the air outlet end at the top of the fan (51) is fixedly connected to an exhaust pipe (53).

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