Air purification device for chemical agent production

Abstract

The utility model discloses an air purification device for chemical agent production. The air purification device comprises a body, a fan, an air suction pipe, an air guide pipe, a one-way ventilation plate, a dust collection bag, an air filter screen and a control panel, a fan cavity is arranged at the upper end of the body; the body is provided with a drainage cavity and a purification filtering cavity; the fan cavity is provided with a plurality of air inlet holes, and the fan is arranged in the fan cavity. A drainage tube port is formed in the side surface of the drainage cavity; the air suction pipe is in sealed connection with the drainage pipe through hole through the air guide pipe; clamping plate grooves are formed in the upper ends of the inner sides of the purification filtering cavities; the dust collection bag comprises a bag frame clamping plate and a non-woven bag; the one-way permeable plate is embedded in a bag frame clamping plate of the dust collection bag; the non-woven fabric bag is sleeved in the air filter screen; the bag frame clamping plates are clamped into the clamping plate grooves; the air filter screen is fixed in the purification filter cavity; the control panel is arranged on the outer end face of one side of the body. And the control panel is electrically connected with the fan. The air purification device is installed beside powder chemical agent preparation equipment, and the problem of dissipation in the raw material feeding or preparation process is solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of air purification in chemical production workshops, and specifically relates to an air purification device for chemical agent production. Background Art

[0002] Nowadays, with the continuous development of science and technology, human life is becoming more and more inseparable from chemical substances, and products made from chemicals are also common in human life. However, in the process of chemical production, the volatilization of various raw materials in the processing workshop makes the gas environment quality in the workshop poor. Therefore, air purification equipment is required in the chemical processing workshop. During the adsorption and purification process of powder chemicals, the purification equipment has no back-infiltration function, and the wind from the air-guiding fan can easily cause small particles of powder chemicals to volatilize and escape. The escaped small particles of powder chemicals pose a potential safety hazard to production safety. Summary of the invention

[0003] The purpose of the present invention is to solve the above-mentioned problems and to provide an air purification device for chemical production.

[0004] An air purification device for chemical agent production comprises: a body, a fan, an air suction pipe, an air guide pipe, a one-way air permeable plate, a dust bag, an air filter screen, and a control panel; a fan chamber is provided at the upper end of the body; a drainage chamber is provided at the middle part of the body; a purification filter chamber is provided at the lower part of the body; the fan chamber is provided with a plurality of air inlet holes, and the fan is arranged in the fan chamber; a drainage pipe opening is provided at the side of the drainage chamber; the air suction pipe is sealed and connected to the drainage pipe opening through the air guide pipe; a card slot is provided at the upper end of the inner side of the purification filter chamber; the dust bag comprises: a bag frame splint and a non-woven bag; the one-way air permeable plate is embedded in the bag frame splint of the dust bag; the non-woven bag is sleeved in the air filter screen; the bag frame splint is inserted in the card slot; the air filter screen is fixed in the purification filter chamber; the control panel is arranged on the outer end surface of one side of the body; the control panel is electrically connected to the fan.

[0005] The one-way air permeable plate comprises: an air permeable plate and a one-way air permeable membrane; a flange is arranged on the side of the air permeable plate; a plurality of conical air permeable holes are arranged in the middle of the air permeable plate; a plurality of hole blocking membranes are arranged on the one-way air permeable membrane; the positions of the plurality of hole blocking membranes and the plurality of conical air permeable holes correspond to each other.

[0006] The one-way breathable membrane is a flexible PVC membrane.

[0007] The dust collecting bag comprises: a bag frame splint and a non-woven bag; the bag frame splint is a frame structure, and a notch is provided on the upper end of the bag frame splint; the notch can be closely matched with the flange; the upper edge of the non-woven bag is closely connected to the bag frame splint; the non-woven bag 62 is sleeved in the air filter 7.

[0008] The air filter is made of HEPA air filter.

[0009] The fan cavity is provided with a fan cavity air outlet; the fan cavity air outlet faces downward; an air guide hard pipe is provided at the inner side of the drainage cavity corresponding to the drainage pipe opening, the air guide hard pipe is an arc-shaped pipe, and the air guide hard pipe outlet of the air guide hard pipe faces downward.

[0010] The lower edge of the fan cavity air outlet is lower than the lower edge of the air outlet of the air guide hard pipe; the area above the fan cavity air outlet inside the drainage cavity is a negative pressure area, and the lower edge of the air outlet of the air guide hard pipe is within the negative pressure area.

[0011] There are two drainage pipe openings, two air suction pipes and two air guide pipes, and the two drainage pipe openings are symmetrically arranged on the two outer sides of the drainage cavity.

[0012] The technical scheme provides an air purification device for chemical agent production, including: a body, a fan, an air suction pipe, an air guide pipe, a one-way air permeable plate, a dust bag, an air filter screen, and a control panel; a fan chamber is provided at the upper end of the body; a drainage chamber is provided in the middle of the body, and a purification filter chamber is provided at the lower part; the fan chamber is provided with a plurality of air inlet holes, and the fan is provided in the fan chamber; a drainage pipe opening is provided on the side of the drainage chamber; the air suction pipe is sealed and connected to the drainage pipe opening through the air guide pipe; a card slot is provided at the upper end of the inner side of the purification filter chamber; the dust bag includes: a bag frame splint and a non-woven bag; the one-way air permeable plate is embedded in the bag frame splint of the dust bag; the non-woven bag is sleeved in the air filter screen; the bag frame splint is inserted in the card slot; the air filter screen is fixed in the purification filter chamber; the control panel is provided on the outer end surface of one side of the body; the control panel is electrically connected to the fan. The air purification device is installed next to the powder chemical agent preparation equipment to recover the raw materials or the emission problem during the preparation process. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a front view of an air purification device for chemical agent production according to the utility model;

[0014] Figure 2 This is a rear axle side view of a main engine of an air purification device for chemical agent production of the utility model;

[0015] Figure 3 This is a schematic diagram of the structure of an air suction pipe of an air purification device for chemical agent production according to the utility model;

[0016] Figure 4 It is a partial cross-sectional schematic diagram of an air purification device for chemical agent production of the utility model;

[0017] Figure 5 This is a schematic diagram of a powder collection bag and an air filter element of an air purification device for chemical agent production of the utility model;

[0018] Figure 6 This is a schematic diagram of the connection between a one-way air permeable plate, a dust collecting bag and a one-way air permeable plate of an air purification device for chemical agent production of the utility model;

[0019] Figure 7 This is a partial cross-sectional view of the ventilation plate and ventilation membrane structure of an air purification device for chemical agent production of the utility model;

[0020] Figure 8 This is a schematic diagram of the one-way air permeable membrane structure of an air purification device for chemical agent production of the utility model;

[0021] In the figure: 1, body, 11, fan cavity, 111, fan cavity air inlet, 112, air inlet hole, 113, fan cavity air outlet, 12, drainage cavity, 121, drainage pipe opening, 122, air guide hard pipe, 123, air guide hard pipe outlet, 13, purification filter cavity, 131, warehouse door, 132, card plate groove, 133, filter element fixing protrusion, 2, fan, 3, suction pipe, 31, suction port, 32, air duct connection part, 4, air guide pipe, 5, one-way air permeable plate, 51, air permeable plate, 511, flange, 512, conical air permeable hole, 52, one-way air permeable membrane, 521, hole blocking membrane, 6, dust bag, 61, bag holder splint, 611, notch, 62, non-woven bag, 7, air filter, 8, control panel. DETAILED DESCRIPTION

[0022] The technical scheme will be further described clearly and completely below in conjunction with the accompanying drawings of the technical scheme. The described embodiments are only a part of the technical scheme, not all of the embodiments. Based on the technical scheme, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0023] Example

[0024] See also Figures 1 to 8 As shown, an air purification device for chemical agent production includes: a body 1, a fan 2, an air suction pipe 3, an air guide pipe 4, a one-way air permeable plate 5, a dust bag 6, an air filter 7, and a control panel 8;

[0025] The upper end of the body 1 is provided with a fan chamber 11; the middle part of the body 1 is provided with a drainage chamber 12; the lower part of the body 1 is provided with a purification filter chamber 13; the bottom of the body 1 is provided with a footrest 14;

[0026] The fan chamber 11, the drainage chamber 12 and the purification filter chamber 13 are sequentially connected or integrally formed;

[0027] The fan 2 is arranged in the fan cavity 11; a fan cavity air inlet 111 is arranged at the top of the fan cavity 11, and air inlet holes 112 are arranged at the four sides of the fan cavity 11; a fan cavity air outlet 113 is arranged in the fan cavity 11; and the fan cavity air outlet 113 faces downward;

[0028] The diameter of the fan cavity air outlet 113 at the lower end is narrower than that at the upper end.

[0029] The drainage cavity 12 is symmetrically provided with drainage pipe openings 121 on the two outer side surfaces; two air suction pipes 3 and two air guide pipes 4 are provided, and the two air suction pipes 3 are respectively sealedly connected to the two drainage pipe openings 121 through the air guide pipe 4;

[0030] An air guide tube 122 is provided at the inner side of the drainage cavity 12 corresponding to the drainage tube opening 121. The air guide tube 122 is an arc-shaped tube, and an air guide tube outlet 123 of the air guide tube 122 is arranged downward.

[0031] The lower edge of the fan cavity air outlet 113 is lower than the lower edge of the air guide tube air outlet 123; the area above the fan cavity air outlet 113 inside the drainage cavity 12 is a negative pressure area, and the lower edge of the air guide tube air outlet 123 is in the negative pressure area.

[0032] The air suction pipe 3 is a strip-shaped component, and an air suction port 31 is provided on one side of the air suction pipe 3; an air duct connection portion 32 is provided below the air suction pipe 3; the air duct connection portion 32 is connected to one end of the air guide pipe 4 through a stopper; the other end of the air guide pipe 4 is connected to the drainage pipe opening 121 through a stopper;

[0033] The stopper connection is commonly known as the yin-yang kan, the convex stopper is the yang kan, and the concave stopper is the yin kan.

[0034] The air guide pipe 4 is a retractable anti-static ventilation hose.

[0035] A door 131 is provided on one side of the purification filter chamber 13; the purification filter chamber 13 and the door 131 are both provided with a main body air outlet; a card slot 132 is provided at the upper end of the inner side of the purification filter chamber 13; and a filter element fixing protrusion 133 is provided at the bottom of the purification filter chamber 13. The one-way air permeable plate 5 includes: an air permeable plate 51, a one-way air permeable membrane 52;

[0036] The side of the ventilation plate 51 is provided with a flange 511; a plurality of conical air holes 512 are provided in the middle of the ventilation plate 51; a plurality of hole-blocking membranes 521 are provided on the one-way air-permeable membrane 52; the positions of the plurality of hole-blocking membranes 521 and the plurality of conical air holes 512 correspond to each other;

[0037] The one-way breathable membrane 52 is a flexible PVC membrane;

[0038] The hole-blocking membrane 521 is a C-shaped groove formed on the one-way air-permeable membrane 52; the center of the C-shaped groove corresponds to the axis of the conical air-permeable hole 512;

[0039] When the wind blows, the hole-blocking membrane 521 can be elastically deformed downward to open the ventilation path of the conical air holes 512; when there is no wind blowing, the hole-blocking membrane 521 elastically deforms back to its original state to block the ventilation path of the conical air holes 512.

[0040] The dust collecting bag 6 comprises: a bag frame clamping plate 61 and a non-woven bag 62;

[0041] The bag frame clamping plate 61 is a frame structure, and a notch 611 is provided at the upper end of the bag frame clamping plate 61; the notch 611 can be closely matched with the flange 511; the upper edge of the non-woven bag 62 is closely connected with the bag frame clamping plate 61;

[0042] The air filter screen 7 is a rectangular component, and the material of the air filter screen 7 is a HEPA air filter screen.

[0043] The ventilated plate 51 is embedded in the notch 611 of the dust bag 6 through the flange 511; that is, the one-way ventilated plate 5 is embedded in the bag frame clamping plate 61 of the dust bag 6; the non-woven bag 62 is sleeved in the air filter screen 7; the bag frame clamping plate 61 is inserted into the clamping plate groove 132; the bottom of the air filter screen 7 is against the filter element fixing protrusion 133.

[0044] The control panel 8 is arranged on an outer end surface of one side of the body 1 ; the control panel 8 is electrically connected to the fan 2 .

[0045] When in use, the air purifier is next to the powder preparation equipment, the suction pipe 3 is stretched to a suitable length, and the suction pipe 3 is fixed near the feeding port of the powder preparation equipment. Before using powder chemical agents for preparation, the air purifier is turned on, and the suction pipe 3 is connected to the air purifier body through the air guide pipe 4; after the fan is working, natural wind is introduced from the fan chamber air inlet 111 and the air inlet hole 112, and air is blown downward from the fan chamber air outlet 113. The lower end of the air outlet diameter of the fan chamber air outlet 113 is narrower than the upper end of the air outlet diameter, so that the wind entering the purification filter chamber 13 is pressurized and accelerated. Because the fan chamber air outlet 113 blows air downward, a negative pressure is generated at the air outlet 123 of the air guide hard pipe, thereby having a drainage feature, and the mixed gas with powder particles is blown into the non-woven bag 62 from the air permeable plate 51 and the one-way breathable membrane 52 in turn. The non-woven bag filters and collects dust particles. The air filtered by the non-woven bag is filtered out of impurities for a second time through the air filter 7, and the filtered air is discharged into the environment. The problem of emission during the addition of raw materials or the preparation process is solved.

Claims

1. An air purification device for chemical production, comprising: A body (1), a fan (2), an air suction pipe (3), an air guide pipe (4), a one-way air permeable plate (5), a dust bag (6), an air filter (7), and a control panel (8); the characteristics are: a fan chamber (11) is provided at the upper end of the body (1); a drainage chamber (12) is provided in the middle of the body (1); a purification filter chamber (13) is provided at the lower part of the body (1); the fan chamber (11) is provided with a plurality of air inlet holes, and the fan (2) is arranged in the fan chamber (11); a drainage pipe opening (121) is provided on the side of the drainage chamber (12); the air suction pipe (3) is connected to the drainage pipe opening through the air guide pipe (4). (121) is sealed and connected; a card slot (132) is provided at the upper inner end of the purification filter chamber (13); the dust bag (6) comprises: a bag frame clamp (61) and a non-woven bag (62); the one-way air permeable plate (5) is embedded in the bag frame clamp (61) of the dust bag (6); the non-woven bag (62) is sleeved in the air filter screen (7); the bag frame clamp (61) is clamped in the card slot (132); the air filter screen (7) is fixed in the purification filter chamber (13); the control panel (8) is provided on the outer end surface of one side of the body (1); and the control panel (8) is electrically connected to the fan (2).

2. The air purification device for chemical production according to claim 1, characterized in that: The one-way air permeable plate (5) comprises: an air permeable plate (51) and a one-way air permeable membrane (52); a flange (511) is provided on the side of the air permeable plate (51); a plurality of conical air permeable holes (512) are provided in the middle of the air permeable plate (51); a plurality of hole-blocking membranes (521) are provided on the one-way air permeable membrane (52); the positions of the plurality of hole-blocking membranes (521) and the plurality of conical air permeable holes (512) correspond to each other.

3. The air purification device for chemical production according to claim 2 is characterized in that: The one-way air permeable membrane (52) is a flexible PVC membrane.

4. The air purification device for chemical production according to claim 3 is characterized in that: The bag frame clamping plate (61) is a frame structure, and a notch (611) is provided at the upper end of the bag frame clamping plate (61); the notch (611) can be closely matched with the flange (511); the upper edge of the non-woven bag (62) is closely connected to the bag frame clamping plate (61); and the non-woven bag (62) is sleeved in the air filter screen (7).

5. The air purification device for chemical production according to claim 4 is characterized in that: The fan cavity (11) is provided with a fan cavity air outlet (113); the fan cavity air outlet (113) faces downward; an air guide hard pipe (122) is provided at a position corresponding to the air guide pipe opening (121) on the inner side of the drainage cavity (12); the air guide hard pipe (122) is an arc-shaped pipe; and the air guide hard pipe air outlet (123) of the air guide hard pipe (122) faces downward.

6. The air purification device for chemical production according to claim 5, characterized in that: The lower edge of the fan cavity air outlet (113) is lower than the lower edge of the air guide hard pipe air outlet (123); the area above the fan cavity air outlet (113) inside the drainage cavity (12) is a negative pressure area, and the lower edge of the air guide hard pipe air outlet (123) is within the negative pressure area.

7. The air purification device for chemical production according to claim 6, characterized in that: Two drainage pipe openings (121), two air suction pipes (3) and two air guide pipes (4) are each provided, and the two drainage pipe openings (121) are symmetrically arranged on two outer sides of the drainage cavity (12).

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