CN212914909U

CN212914909U - Explosion-proof FFU filtration equipment

Info

Publication number: CN212914909U
Application number: CN202021651108.4U
Authority: CN
Inventors: 吴勇
Original assignee: Shenzhen Changtan Purification Technology Co ltd
Current assignee: Shenzhen Changtan Purification Technology Co ltd
Priority date: 2020-08-10
Filing date: 2020-08-10
Publication date: 2021-04-09
Anticipated expiration: 2030-08-10

Abstract

The utility model discloses an explosion-proof FFU filtering device, which comprises a bottom plate, a support ring fixedly connected with the top of the bottom plate, a mounting cover arranged on the top of the bottom plate, a side wall of the mounting cover fixedly connected with the support ring, a pressure sensor fixedly connected with the top of the inner wall of the mounting cover, a circle fixing bracket fixedly connected with the corner of the inner wall of the mounting cover, a fan mounting plate arranged on the inner wall of the mounting cover, a fan fixedly connected with the top of the fan mounting plate, an air inlet arranged on the top of the fan, the utility model enhances the strength of the shell of the utility model by adding a circle fixing bracket on the inner wall of the mounting cover to match with the support ring fixedly connected with the top of the bottom plate, when the fan works, the pressure in the mounting cover is fed back to a control switch by the pressure sensor with an electric signal, the control, leading to the installation cover impaired, reinforcing the utility model discloses a life.

Description

Explosion-proof FFU filtration equipment

Technical Field

The utility model relates to a FFU equipment technical field specifically is an explosion-proof type FFU filtration equipment.

Background

The Fan Filter Unit sucks air from the top and filters the air through HEPA, filtered clean air is uniformly delivered out on the whole air outlet surface at a speed of about 0.45m/s +/-20%, and the FFU Fan Filter Unit can be connected in a modularization mode and is widely applied to application occasions such as a dust-free room, a dust-free operation table, a dust-free production line, an assembled dust-free room, a local hundred-level room and the like. The FFU fan filter unit can be used for manufacturing simple clean workbenches, clean sheds, clean transfer cabinets, clean wardrobe and the like.

However, in the conventional FFU filtering apparatus on the market, the casing of the device may be damaged due to the excessive pressure inside the device, and the service life of the device may be reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an explosion-proof type FFU filtration equipment to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an explosion-proof formula FFU filtration equipment, includes the bottom plate, bottom plate top fixedly connected with lock ring, the bottom plate top is provided with the installation cover, installation cover lateral wall and lock ring fixed connection, installation cover inner wall top fixedly connected with pressure sensor, installation cover inner wall turning fixed connection round fixed bolster, the installation cover inner wall is provided with the fan mounting panel, fan mounting panel top fixedly connected with fan, the fan top is provided with the air inlet, be provided with U type support between fan mounting panel top and the installation cover inner wall top, U type support respectively with fan mounting panel top and installation cover inner wall top fixed connection.

As a further aspect of the present invention: the installation cover top is provided with the handle in air inlet bilateral symmetry, installation cover top fixedly connected with control switch, control switch respectively with pressure sensor and fan electric connection.

As a further aspect of the present invention: the inner wall of the mounting cover is fixedly connected with a flow equalizing plate at the bottom of the fan mounting plate.

As a further aspect of the present invention: the support ring is internally provided with filter cotton, and the bottom plate is provided with an exhaust port.

As a further aspect of the present invention: and support legs are fixedly connected to four corners of the bottom plate.

As a further aspect of the present invention: and reinforcing plates are fixedly connected to two ends of the U-shaped support.

As a further aspect of the present invention: the air inlet bottom is through bolt and installation cover top fixed connection, be provided with the filter screen in the air inlet, the filter screen is woven by the iron wire and is formed.

As a further aspect of the present invention: the fan mounting plate is provided with a mounting hole at the bottom of the fan.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an increase the round fixed bolster at the installation cover inner wall, cooperation bottom plate top fixed connection's lock ring has strengthened the utility model discloses the intensity of shell, fan during operation, pressure in the installation cover passes through pressure sensor with the feedback to the control switch of signal of telecommunication, the rotational speed of control switch control fan, avoids the installation cover interior pressure too big, leads to the installation cover impaired, strengthens the utility model discloses a life.

2. The utility model discloses a filter screen at the air inlet filters external large granule foreign matter, again by filtering cotton to filtration, through the second grade filtration, has strengthened the filter effect.

3. The utility model discloses a set up the handle at the installation cover outer wall, make things convenient for staff's transport.

Drawings

Fig. 1 is a schematic structural diagram of an explosion-proof FFU filtering apparatus.

Figure 2 is a cross-sectional view of an explosion proof FFU filter apparatus.

Fig. 3 is a schematic structural diagram of a fan mounting plate in an explosion-proof FFU filtering device.

In the figure: the air inlet device comprises an installation cover 1, a bottom plate 2, support legs 3, a lifting handle 4, an air inlet 5, a filter screen 6, a pressure sensor 7, a control switch 8, a fixed support 9, a flow equalizing plate 10, a support ring 11, filter cotton 12, a fan 13, a fan installation plate 14, a U-shaped support 15, a reinforcing plate 16, an air outlet 17 and installation holes 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-3, in the embodiment of the utility model, an explosion-proof type FFU filtration equipment, comprising a base plate 2, bottom plate 2 top fixedly connected with lock ring 11, bottom plate 2 top is provided with installation cover 1, installation cover 1 lateral wall and lock ring 11 fixed connection, installation cover 1 inner wall top fixedly connected with pressure sensor 7, pressure sensor 7 model is DP-102, the manufacturer is the electron science and technology limited company of soda of eastern guan branch, installation cover 1 inner wall turning fixed connection round fixed bolster 9, installation cover 1 inner wall is provided with fan mounting panel 14, fan mounting panel 14 top fixedly connected with fan 13, fan 13 model is DKHR500, the manufacturer is the limited company of lossen ventilation equipment (shanghai), fan 13 top is provided with air inlet 5, be provided with U type support 15 between fan mounting panel 14 top and the installation cover 1 inner wall top, U type support 15 respectively with fan mounting panel 14 top and installation cover 1 inner wall top fixed connection.

Handle 4 is provided with at 5 bilateral symmetry in the air inlet in installation cover 1 top, and installation cover 1 top fixedly connected with control switch 8, control switch 8 respectively with pressure sensor 7 and fan 13 electric connection.

The inner wall of the mounting cover 1 is fixedly connected with a flow equalizing plate 10 at the bottom of a fan mounting plate 14.

The support ring 11 is internally provided with filter cotton 12, and the bottom plate 2 is provided with an exhaust port 17.

The four corners of the bottom plate 2 are fixedly connected with support legs 3.

Reinforcing plates 16 are fixedly connected to two ends of the U-shaped support 15.

The bottom of the air inlet 5 is fixedly connected with the top of the mounting cover 1 through a bolt, a filter screen 6 is arranged in the air inlet 5, and the filter screen 6 is woven by iron wires.

The fan mounting plate 14 is opened with a mounting hole 18 at the bottom of the fan 13.

The utility model discloses a theory of operation is:

during the use, install external power, control switch 8, control fan 13 work, the outside air gets into in the installation cover 1 by the filter screen 6 prefiltering of air inlet 5 department, the air in the installation cover 1 is filtered the back by crossing filter pulp 12 again, discharge from gas vent 17, the pressure in the installation cover 1 is monitored by pressure sensor 7, the pressure that pressure sensor 7 was monitored passes through signal of telecommunication feedback to control switch 8, control switch 8 is according to the rotational speed of pressure sensor 7's feedback control fan, avoid the pressure in the installation cover 1 too big, install the handle 4 that the cover 1 outer wall set up simultaneously, make things convenient for staff's transport.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. An explosion-proof formula FFU filtration equipment, includes bottom plate (2), its characterized in that: bottom plate (2) top fixedly connected with lock ring (11), bottom plate (2) top is provided with installation cover (1), installation cover (1) lateral wall and lock ring (11) fixed connection, installation cover (1) inner wall top fixedly connected with pressure sensor (7), installation cover (1) inner wall turning fixed connection round fixed bolster (9), installation cover (1) inner wall is provided with fan mounting panel (14), fan mounting panel (14) top fixedly connected with fan (13), fan (13) top is provided with air inlet (5), be provided with U type support (15) between fan mounting panel (14) top and installation cover (1) inner wall top, U type support (15) respectively with fan mounting panel (14) top and installation cover (1) inner wall top fixed connection.

2. An explosion proof FFU filter apparatus as recited in claim 1, wherein: the air inlet (5) bilateral symmetry is provided with handle (4) at installation cover (1) top, installation cover (1) top fixedly connected with control switch (8), control switch (8) respectively with pressure sensor (7) and fan (13) electric connection.

3. An explosion proof FFU filter apparatus as recited in claim 1, wherein: the inner wall of the mounting cover (1) is fixedly connected with a flow equalizing plate (10) at the bottom of the fan mounting plate (14).

4. An explosion proof FFU filter apparatus as recited in claim 1, wherein: the support ring (11) is internally provided with filter cotton (12), and the bottom plate (2) is provided with an exhaust port (17).

5. An explosion proof FFU filter apparatus as recited in claim 1, wherein: the four corners of the bottom plate (2) are fixedly connected with support legs (3).

6. An explosion proof FFU filter apparatus as recited in claim 1, wherein: and reinforcing plates (16) are fixedly connected to two ends of the U-shaped support (15).

7. An explosion proof FFU filter apparatus as recited in claim 1, wherein: air inlet (5) bottom is through bolt and installation cover (1) top fixed connection, be provided with filter screen (6) in air inlet (5), filter screen (6) are woven by the iron wire and are formed.

8. An explosion proof FFU filter apparatus as recited in claim 1, wherein: the fan mounting plate (14) is provided with a mounting hole (18) at the bottom of the fan (13).