CN217939497U

CN217939497U - Efficient filtering device for GMP clean room

Info

Publication number: CN217939497U
Application number: CN202221356673.7U
Authority: CN
Inventors: 曹阳; 李帅涛
Original assignee: Shenzhen Zhongke Guanjing Purification Technology Co ltd
Current assignee: Shenzhen Zhongke Guanjing Purification Technology Co ltd
Priority date: 2022-06-01
Filing date: 2022-06-01
Publication date: 2022-12-02
Anticipated expiration: 2032-06-01

Abstract

The utility model discloses a high-efficiency filtering device of a GMP clean room, which relates to the technical field of filtering devices of clean rooms, and comprises a bracket, a filtering mechanism and a dust collecting mechanism for collecting dust, wherein the dust collecting mechanism is arranged on the bracket, and the filtering mechanism is arranged above the dust collecting mechanism; the filtering mechanism comprises a shell, an air inlet, a filtering component, a pulse blowing component and an air outlet component, wherein a dust removing cavity and a purifying cavity are arranged in the shell; the dust removal cavity is positioned below the purification cavity, a partition plate is arranged between the dust removal cavity and the purification cavity, and a plurality of vent holes are formed in the partition plate; the air inlet is arranged on the side wall of the dust removing cavity; through adopting automatic realization of filter assembly, pulse jetting subassembly and collection dirt mechanism to gas filtration, clearance and dust removal, the adoption subassembly of giving vent to anger has realized the accurate control to gas outgoing after the purification, prevents to purify thorough gas outgoing, has improved filtration efficiency.

Description

Efficient filtering device for GMP clean room

Technical Field

The utility model belongs to the technical field of the filter equipment of toilet and specifically relates to indicate a high-efficient filter equipment of GMP toilet.

Background

The GMP clean room has higher requirements on the environment, and a high-efficiency filtering device is required to filter the GMP clean room, so that the requirements of the GMP clean room on the environment are met; the filtering device is characterized in that gas to be filtered enters the filtering mechanism through the gas inlet, large particle dust in the gas falls into the dust collecting mechanism, the gas passes through a filter bag of the filtering mechanism, fine particle dust in the gas is blocked on the outer surface of the filter bag, the filtered gas enters the purifying cavity from the dust removing cavity and is finally discharged from the gas outlet assembly; the existing filtering mechanism has the technical problems of inconvenient filter bag replacement and poor filtering effect; meanwhile, the existing gas outlet assembly cannot meet the requirement of accurate control of the discharged gas, so that the filtering effect of the gas to be purified in the device is poor; therefore, in order to meet the current situation, it is urgently needed to develop a high-efficiency filtering device for a GMP clean room to meet the requirement of practical use.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model discloses to the disappearance that prior art exists, its main objective provides a GMP toilet's high-efficient filter equipment, and it is through adopting automatic realization of filter assembly, pulse jetting subassembly and collection dirt mechanism to gas filtration, clearance and dust removal, adopts the subassembly of giving vent to anger to realize purifying back gas outgoing's accurate control, prevents to purify thorough gas outgoing, has improved filtration efficiency.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the efficient filtering device for the GMP clean room comprises a support, a filtering mechanism and a dust collecting mechanism for collecting dust, wherein the dust collecting mechanism is arranged on the support, and the filtering mechanism is arranged above the dust collecting mechanism; the filtering mechanism comprises a shell, an air inlet, a filtering component, a pulse blowing component and an air outlet component, wherein a dust removing cavity and a purifying cavity are arranged in the shell; the dust removal cavity is positioned below the purification cavity, a partition plate is arranged between the dust removal cavity and the purification cavity, and a plurality of vent holes are formed in the partition plate; the air inlet is arranged on the side wall of the dust removal cavity, the filtering component is arranged in the dust removal cavity, the pulse blowing component is arranged beside the side of the filtering component, and the air outlet component is arranged on the upper side of the purification cavity; the filter assembly comprises a plurality of filter bags which are arranged in an array manner, the filter bags are vertically arranged on the partition plate through a plurality of vent holes, and the filter bags are positioned in the dust removal cavity; the pulse injection assembly comprises an air storage bag, a plurality of injection pipes, a pulse electromagnetic valve and a plurality of nozzles, the air storage bag is arranged on the side wall of the shell, the plurality of injection pipes are arranged above the partition plate in an array mode along the length direction of the air storage bag, one end of each injection pipe is connected with the air storage bag through the pulse electromagnetic valve, the other end of each injection pipe penetrates through the shell and extends to the position above the corresponding filter bag, and the nozzles face the position right above the corresponding filter bag; the exhaust assembly comprises an exhaust hood, an exhaust driving cylinder and a sealing gasket, wherein the exhaust hood is arranged beside a purification cavity, one side of the exhaust hood is communicated with the purification cavity, the other side of the exhaust hood is arranged in a sealing mode, an exhaust hole is vertically formed in the exhaust hood in a penetrating mode, the end of the exhaust driving cylinder is connected with the sealing gasket, and the sealing gasket is matched with the exhaust hole.

As a preferred embodiment: the dust collecting mechanism comprises an ash bucket and an ash collecting box, the ash bucket is connected below the shell, and the ash collecting box is detachably arranged below the ash bucket; the lateral wall can be dismantled under this ash bucket and be provided with the observation door, and this observation door position is provided with observation glass window.

As a preferred embodiment: the filter bag upper end is provided with the elastic ring, and this elastic ring outwards extends protrusion in the filter bag lateral wall, and this elastic ring external diameter exceeds the air vent external diameter, and this filter bag is vertical to run through the detachable installation of air vent on the baffle.

As a preferred embodiment: the side wall fastening is provided with a plurality of mounting panels that are used for installing the gas storage package before the casing, is provided with the clamp between this gas storage package and the mounting panel, and this gas storage package passes through clamp fastening installation in mounting panel upper surface.

As a preferred embodiment: the exhaust hood is in a cuboid shape, a plurality of exhaust holes vertically penetrate through the exhaust hood, and the exhaust holes correspond to the filter bags arranged in an array manner; the exhaust driving cylinder and the sealing gaskets are both in a plurality, and the sealing gaskets are matched with the exhaust holes one by one.

As a preferred embodiment: and a protective cover is arranged above the plurality of exhaust driving cylinders.

As a preferred embodiment: and a height sensor for detecting the height of dust is arranged in the dust hopper.

As a preferred embodiment: the ash bucket is in a quadrangular pyramid shape.

Compared with the prior art, the utility model has obvious advantages and beneficial effects, concretely speaking, according to the technical scheme, the gas is filtered, cleaned and dedusted through adopting the filter assembly, the pulse blowing assembly and the dust collecting mechanism to be automatic, the gas outlet assembly is adopted to realize the accurate control of the purified gas discharge, the gas which is not purified completely is prevented from being discharged, and the filtering efficiency is improved; exhaust drives cylinder drive sealed the lift of filling up, and sealed the pad and the exhaust hole phase-match of exhaust hood when descending, and sealed the pad will be exhausted the hole and seal up, guarantees that gas carries out abundant filtration in filtering mechanism, has improved the filter effect.

To more clearly illustrate the structural features and effects of the present invention, the following detailed description is given with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is a schematic perspective view of a high efficiency filtration apparatus of a GMP clean room according to the present invention;

FIG. 2 is a schematic view of the filter mechanism of the present invention with the housing and the protective cover removed from the main body at a first perspective;

fig. 3 is a schematic perspective view of the main body part (excluding the housing and the protective cover) of the filter mechanism of the present invention from a second perspective.

The attached drawings indicate the following:

in the figure: 10. a support; 20. a filtering mechanism; 21. a housing; 211. a dust removal cavity; 212. a purification chamber; 213. a partition plate; 214. an air inlet; 22. a filter bag; 221. an elastic ring; 23. a pulse blowing assembly; 231. a gas storage bag; 232. mounting a plate; 233. clamping a hoop; 234. a blowing pipe; 235. a pulse solenoid valve; 236. a nozzle; 24. an air outlet assembly; 241. an exhaust hood; 242. an exhaust hole; 243. an exhaust drive cylinder; 244. a protective cover; 245. a gasket; 30. a dust collecting mechanism; 31. an ash hopper; 32. and (4) observing the door.

Detailed Description

As shown in fig. 1 to 3, the utility model relates to a high-efficiency filtering device for a GMP clean room, which comprises a bracket 10, a filtering mechanism 20 and a dust collecting mechanism 30 for collecting dust, wherein the dust collecting mechanism 30 is installed on the bracket 10, and the filtering mechanism 20 is installed above the dust collecting mechanism 30; wherein:

the filtering mechanism 20 comprises a shell 21, an air inlet 214, a filtering component, a pulse blowing component 23 and an air outlet component 24, wherein a dust removing cavity 211 and a purifying cavity 212 are arranged in the shell 21; the dust removing cavity 211 is located below the purifying cavity 212, a partition plate 213 is arranged between the dust removing cavity 211 and the purifying cavity 212, and a plurality of vent holes are arranged on the partition plate 213; the air inlet 214 is arranged on the side wall of the dust removing cavity 211, the filter assembly is arranged in the dust removing cavity 211, the pulse blowing assembly 23 is arranged beside the filter assembly, and the air outlet assembly 24 is arranged on the upper side of the purifying cavity 212; the filter assembly comprises a plurality of filter bags 22 arranged in an array manner, the filter bags 22 are vertically arranged on the partition plate 213 through a plurality of vent holes, and the filter bags 22 are positioned in the dust removing cavity 211; the pulse spraying and blowing assembly 23 comprises a gas storage bag 231, a plurality of spraying pipes 234, a pulse solenoid valve 235 and a plurality of nozzles 236, wherein the gas storage bag 231 is arranged on the side wall of the housing 21, the plurality of spraying pipes 234 are arranged above the partition plate 213 in an array manner along the length direction of the gas storage bag 231, one end of each spraying pipe 234 is connected with the gas storage bag 231 through the pulse solenoid valve 235, the other end of each spraying pipe 234 penetrates through the housing 21 and extends to the upper part of the filter bag 22, and the nozzles 236 face to the right upper part of the filter bag 22; the air outlet assembly 24 includes an exhaust cover 241, an exhaust driving cylinder 243 and a sealing gasket 245, the exhaust cover 241 is disposed beside the purification cavity 212, one side of the exhaust cover 241 is communicated with the purification cavity 212, the other side of the exhaust cover 241 is hermetically disposed, an exhaust hole 242 vertically penetrates through the exhaust cover 241, the shaft end of the exhaust driving cylinder 243 is connected with the sealing gasket 245, and the sealing gasket 245 is matched with the exhaust hole 242.

The gas to be treated enters the filtering mechanism 20 through the gas inlet 214, the large particle dust in the gas falls into the dust collecting mechanism 30, the gas passes through the filter bag 22 of the filtering mechanism 20, the fine particle dust in the gas is blocked on the outer surface of the filter bag 22, the filtered gas enters the purifying chamber 212 from the dust removing chamber 211, and finally is discharged from the gas outlet assembly 24; along with the continuous accumulation of the tiny dust on the surface of the filter bag 22, the running resistance of the high-efficiency filtering device of the GMP clean room is continuously increased, and in order to ensure the normal working and running, the pulse injection component 23 is adopted to clean the dust on the filter bag 22 into the dust collection mechanism 30, so that the running resistance of the equipment is reduced.

Realize gas filtration, clearance and dust removal through adopting filtering component, pulse jetting subassembly 23 and dust collection mechanism 30 automation, adopt air outlet assembly 24 to realize the accurate control to purifying back gas outgoing, prevent to purify thorough gas outgoing, improved filtration efficiency.

After the gas passes through the filter bag 22, fine dust in the gas is attached to the outer surface of the filter bag 22; the electromagnetic pulse valve can be controlled by the PLC to be opened and closed at regular time, so that the compressed air in the air storage bag 231 can blow the filter bag 22 through the reverse air flow through the nozzle 236, the filter bag 22 is instantly expanded and violently shaken, and dust attached to the surface of the filter bag is quickly separated and falls into the dust collection mechanism 30, so that the filter bag 22 can keep a good filtering effect.

The exhaust driving cylinder 243 drives the sealing gasket 245 to lift, the sealing gasket 245 is matched with the exhaust hole 242 of the exhaust hood 241 when the sealing gasket 245 descends, the exhaust hole 242 is sealed by the sealing gasket 245, the gas is fully filtered in the filtering mechanism 20, the filtering effect is improved, after the filtering is finished, the exhaust driving cylinder 243 drives the sealing gasket 245 to lift, the sealing gasket 245 is separated from the exhaust hole 242, and the purified gas is exhausted from the exhaust hole 242.

The dust collecting mechanism 30 comprises an ash bucket 31 and an ash collecting box (not shown), wherein the ash bucket 31 is connected below the shell 21, and the ash collecting box is detachably arranged below the ash bucket 31; an observation door 32 is detachably arranged on the lower side wall of the ash bucket 31, and an observation glass window is arranged at the position of the observation door 32; a height sensor for detecting the height of dust is arranged in the dust hopper 31; the hopper 31 is shaped like a quadrangular pyramid.

The dust amount in the dust hopper 31 can be conveniently observed through the observation glass window, and the height sensor further accurately judges the dust amount in the dust hopper 31 so as to clean the dust in time; the ash bucket 31 of the quadrangular pyramid shape facilitates the deposition of the ash and prevents the ash from being raised outward.

The dust constantly falls into ash bucket 31, along with the increase of dust in ash bucket 31, opens the switch with the dust in ash bucket 31 and puts into receiving the ash pan, receives the ash pan detachable installation in ash bucket 31 below, is favorable to receiving the clearance of dust in the ash pan.

The upper end of the filter bag 22 is provided with an elastic ring 221, the elastic ring 221 extends outwards to protrude out of the side wall of the filter bag 22, the outer diameter of the elastic ring 221 exceeds the outer diameter of the vent hole, and the filter bag 22 vertically penetrates through the vent hole and is detachably mounted on the partition plate 213; when the filter bag 22 is damaged, the elastic ring 221 is extruded, and the filter bag 22 is detached from the partition plate 213 for replacement, so that the operation is simple, the replacement is convenient, and the maintenance cost is reduced.

A plurality of mounting plates 232 for mounting the gas storage pack 231 are fixedly arranged on the front side wall of the shell 21, a clamp 233 is arranged between the gas storage pack 231 and the mounting plates 232, and the gas storage pack 231 is fixedly mounted on the upper surface of the mounting plates 232 through the clamp 233; the firmness of the installation of the gas storage bag 231 is increased.

The exhaust hood 241 is rectangular, a plurality of exhaust holes 242 vertically penetrate through the exhaust hood 241, and the exhaust holes 242 correspond to the filter bags 22 arranged in an array; the exhaust driving cylinder 243 and the sealing gasket 245 are plural, and the sealing gaskets 245 are matched with the exhaust holes 242 one by one; a protective cover 244 is disposed above the exhaust driving cylinders 243; the protection cover 244 protects the exhaust gas driving cylinder 243.

The use method and the principle of the efficient filtering device of the GMP clean room are as follows:

the gas to be treated enters the filtering mechanism through the gas inlet, large particle dust in the gas falls into the dust collecting mechanism, the gas passes through a filter bag of the filtering mechanism, fine particle dust in the gas is blocked on the outer surface of the filter bag, and the filtered gas enters the purifying cavity from the dust removing cavity and is finally discharged from the gas outlet assembly; and the pulse injection component is adopted to clean the dust on the filter bag into the dust collection mechanism.

The utility model has the key design points that the gas filtering, cleaning and dust removal are realized automatically by adopting the filtering component, the pulse injection component and the dust collecting mechanism, the accurate control of the gas discharge after purification is realized by adopting the gas outlet component, the gas which is not purified completely is prevented from being discharged, and the filtering efficiency is improved; exhaust drives cylinder drive sealed the lift of filling up, and sealed the pad and the exhaust hole phase-match of exhaust hood when descending, and sealed the pad will be exhausted the hole and seal up, guarantees that gas carries out abundant filtration in filtering mechanism, has improved the filter effect.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modification, equivalent change and modification made to the above embodiments by the technical essence of the present invention are all within the scope of the technical solution of the present invention.

Claims

1. A high-efficiency filtering device of a GMP clean room is characterized in that; the dust collector comprises a bracket, a filtering mechanism and a dust collecting mechanism for collecting dust, wherein the dust collecting mechanism is arranged on the bracket, and the filtering mechanism is arranged above the dust collecting mechanism; the filtering mechanism comprises a shell, an air inlet, a filtering component, a pulse blowing component and an air outlet component, wherein a dust removing cavity and a purifying cavity are arranged in the shell; the dust removal cavity is positioned below the purification cavity, a partition plate is arranged between the dust removal cavity and the purification cavity, and a plurality of vent holes are formed in the partition plate; the air inlet is arranged on the side wall of the dust removal cavity, the filtering component is arranged in the dust removal cavity, the pulse blowing component is arranged beside the side of the filtering component, and the air outlet component is arranged on the upper side of the purification cavity; the filter assembly comprises a plurality of filter bags which are arranged in an array manner, the filter bags are vertically arranged on the partition plate through a plurality of vent holes, and the filter bags are positioned in the dust removal cavity; the pulse injection assembly comprises an air storage bag, a plurality of injection pipes, a pulse electromagnetic valve and a plurality of nozzles, the air storage bag is arranged on the side wall of the shell, the plurality of injection pipes are arranged above the partition plate in an array mode along the length direction of the air storage bag, one end of each injection pipe is connected with the air storage bag through the pulse electromagnetic valve, the other end of each injection pipe penetrates through the shell and extends to the upper side of the corresponding filter bag, and the nozzles face the upper side of the corresponding filter bag; the exhaust assembly comprises an exhaust hood, an exhaust driving cylinder and a sealing gasket, wherein the exhaust hood is arranged beside a purification cavity, one side of the exhaust hood is communicated with the purification cavity, the other side of the exhaust hood is arranged in a sealing mode, an exhaust hole is formed in the exhaust hood in a vertical penetrating mode, the end of the exhaust driving cylinder is connected with the sealing gasket, and the sealing gasket is matched with the exhaust hole.

2. A high efficiency filtration plant for a GMP clean room according to claim 1, characterized in that; the dust collecting mechanism comprises an ash bucket and an ash collecting box, the ash bucket is connected to the lower part of the shell, and the ash collecting box is detachably arranged below the ash bucket; the lateral wall can be dismantled under this ash bucket and be provided with the observation door, and this observation door position is provided with observation glass window.

3. A GMP clean room high efficiency filtration plant according to claim 1, characterized in that; the filter bag upper end is provided with the elastic ring, and this elastic ring outwards extends protrusion in the filter bag lateral wall, and this elastic ring external diameter exceeds the air vent external diameter, and this filter bag is vertical to run through the detachable installation of air vent on the baffle.

4. A GMP clean room high efficiency filtration plant according to claim 1, characterized in that; the side wall fastening is provided with a plurality of mounting panels that are used for installing the gas storage package before the casing, is provided with the clamp between this gas storage package and the mounting panel, and this gas storage package passes through clamp fastening installation in mounting panel upper surface.

5. A high efficiency filtration plant for a GMP clean room according to claim 1, characterized in that; the exhaust hood is in a cuboid shape, a plurality of exhaust holes vertically penetrate through the exhaust hood, and the exhaust holes correspond to the filter bags arranged in an array manner; the exhaust driving cylinder and the sealing gaskets are a plurality of, and the plurality of sealing gaskets are matched with the plurality of exhaust holes one by one.

6. A high efficiency filtration plant for GMP clean rooms according to claim 5, characterized in that; and a protective cover is arranged above the plurality of exhaust driving cylinders.

7. A GMP clean room high efficiency filtration plant according to claim 2, characterized in that; and a height sensor for detecting the height of dust is arranged in the dust hopper.

8. A high efficiency filtration plant for a GMP clean room according to claim 2, characterized in that; the ash bucket is in a quadrangular pyramid shape.