CN212594937U

CN212594937U - A purify guiding subassembly for fume chamber

Info

Publication number: CN212594937U
Application number: CN202020804611.2U
Authority: CN
Inventors: 陈之超
Original assignee: Shanghai Aosh Industrial Development Co ltd
Current assignee: Shanghai Aosh Industrial Development Co ltd
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2021-02-26
Anticipated expiration: 2030-05-14

Abstract

The utility model relates to the field of fume hoods, in particular to a purification and flow guide assembly for a fume hood, which comprises a fume hood body; an operation table is arranged in the fume hood body, and an operation cavity is arranged above the operation table; the top end of the operation cavity is provided with a purification flow guide mechanism; the purification flow guide mechanism comprises a gas collecting hood arranged at the top end of the operation cavity, the top end of the gas collecting hood is communicated with an air outlet at the top end of the operation cavity, and the top end of the air outlet is communicated with an air inlet pipe at the top end of the purification device through a flow guide pipeline; the intake pipe sets up on purifier's top, and the bottom intercommunication of intake pipe has a plurality of shunt tubes. The utility model discloses set up purification guiding mechanism on the fume hood body, through setting up the inside at the leading-in purifier of water conservancy diversion pipeline on fume hood body top with it, filter layer upon layer, spray reaction and drying to it, purify most harmful components in the waste gas that produces in the operation process, pollution abatement, guarantee operating personnel's life safety.

Description

A purify guiding subassembly for fume chamber

Technical Field

The utility model relates to a fume chamber field specifically is a purify water conservancy diversion subassembly for fume chamber.

Background

Among the prior art, the fume chamber is an indispensable component part in the laboratory ventilation design, provides a work cavity in the fume chamber for experiment, the waste gas that the experimentation produced can be discharged and collect by the purification water conservancy diversion subassembly on the fume chamber, but present purification water conservancy diversion subassembly exhaust-gas treatment is thorough inadequately, and treatment effeciency is not high, leads to people's life safety to receive the threat.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a purify water conservancy diversion subassembly for fume chamber 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: a purification and flow guide assembly for a fume hood comprises a fume hood body; an operation table is arranged in the fume hood body, and an operation cavity is arranged above the operation table; the top end of the operation cavity is provided with a purification flow guide mechanism; the purification and flow guide mechanism comprises a gas collecting hood arranged at the top end of the operation cavity, the top end of the gas collecting hood is communicated with an air outlet at the top end of the operation cavity, the top end of the air outlet is communicated with an air inlet pipe at the top end of the purification device through a flow guide pipeline, and the bottom of the air inlet pipe is communicated with a plurality of flow distribution pipes; a plurality of filter cavities are arranged in the purification device at intervals, and one end of the flow dividing pipe, which is far away from the air inlet pipe, extends into the filter cavities; a plurality of filtering partition plates with V-shaped structures are arranged in the filtering cavity at intervals; the bottom of filter chamber is provided with filters the diaphragm, and the bottom of filtering the diaphragm is provided with the transition room, and the bottom intercommunication clean room of transition room, the internally mounted of clean room has reaction chamber and dispensing chamber.

Preferably, a spray pipeline is installed at the top end of the reaction cavity, a spray head is installed at the bottom of the spray pipeline, a reaction tank is arranged at the bottom of the dispensing cavity, a water pump is installed inside the reaction tank, and the water pump is communicated with the spray pipeline through a water delivery pipe; a flow guide hopper is arranged between the reaction cavity and the dispensing cavity.

Preferably, one side of the reaction cavity is communicated with the drying box through a gas transmission pipeline, an electric heating assembly is installed inside the drying box, and a gas outlet pipe is arranged on one side of the drying box.

Preferably, install the PH sensor that is used for detecting the waste gas pH value after the purification on the outlet duct, one side intercommunication of outlet duct is used for carrying the filter tube who does not reach emission standard's waste gas, install the solenoid valve on the filter tube, solenoid valve and PH sensor electrical signal connection, the one end intercommunication purifier top intake pipe of drying cabinet is kept away from to the filter tube, when the pH value that the PH sensor detected waste gas is not conform to the standard value, send signal to solenoid valve, the solenoid valve is opened, waste gas not up to standard passes through the filter tube and carries to purifying water conservancy diversion mechanism and purify once more.

Preferably, the guide pipeline and the gas pipeline are both provided with exhaust fans.

Preferably, the exhaust fan, the water pump, the electromagnetic valve, the pH sensor and the electric heating assembly are electrically connected or in signal connection with the integrated controller.

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

the utility model discloses set up purification guiding mechanism on the fume hood body, through setting up the inside at the leading-in purifier of water conservancy diversion pipeline on fume hood body top with it, filter layer upon layer, spray reaction and drying to it, purify most harmful components in the waste gas that produces in the operation process, pollution abatement, guarantee operating personnel's life safety.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the specific structure of the filtering baffle of the present invention.

In the figure: 1. a fume hood body; 2. an operation table; 3. an operating chamber; 4. a gas-collecting hood; 5. a diversion pipeline; 6. a purification device; 7. an air inlet pipe; 8. a filter chamber; 9. a filtering baffle plate; 10. filtering the transverse plate; 11. A transition chamber; 12. a clean room; 13. a reaction chamber; 14. a dispensing cavity; 15. a spray head; 16. a reaction tank; 17. a flow guide hopper; 18. a drying oven; 19. an air outlet pipe; 20. a pH sensor; 21. a filtration pipeline; 22. An electromagnetic valve; 23. an exhaust fan.

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.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-2, the present invention provides a technical solution: a purification and flow guide assembly for a fume hood comprises a fume hood body 1; an operating platform 2 is arranged in the fume hood body 1, and an operating cavity 3 is arranged above the operating platform 2; the top end of the operation cavity 3 is provided with a purifying and guiding mechanism; the purification and flow guide mechanism comprises a gas collecting hood 4 arranged at the top end of the operation cavity 3, the top end of the gas collecting hood 4 is communicated with an air outlet at the top end of the operation cavity 3, the top end of the air outlet is communicated with an air inlet pipe 7 at the top end of the purification device 6 through a flow guide pipeline 5, and the bottom of the air inlet pipe 7 is communicated with a plurality of flow distribution pipes; a plurality of filter cavities 8 are arranged in the purification device 6 at intervals, and one end of the flow dividing pipe, which is far away from the air inlet pipe 7, extends into the filter cavities 8; a plurality of filtering partition plates 9 with V-shaped structures are arranged in the filtering cavity 8 at intervals; the bottom of the filtering cavity 8 is provided with a filtering transverse plate 10, the bottom of the filtering transverse plate 10 is provided with a transition chamber 11, the bottom of the transition chamber 11 is communicated with a purifying chamber 12, and a reaction cavity 13 and a dispensing cavity 14 are arranged inside the purifying chamber 12.

Further, a spray pipeline is installed at the top end of the reaction cavity 13, a spray head 15 is installed at the bottom of the spray pipeline, a reaction tank 16 is arranged at the bottom of the dispensing cavity 14, a water pump is installed inside the reaction tank 16, and the water pump is communicated with the spray pipeline through a water delivery pipe; a flow guide hopper 17 is arranged between the reaction cavity 13 and the dispensing cavity 14.

Furthermore, one side of the reaction chamber 13 is communicated with a drying box 18 through a gas transmission pipeline, and an air outlet pipe 19 is arranged on one side of the drying box 18.

Further, a PH sensor 20 is installed on the air outlet pipe 19, one side of the air outlet pipe 19 is communicated with a filtering pipeline 21, an electromagnetic valve 22 is installed on the filtering pipeline 21, and one end, far away from the drying box 18, of the filtering pipeline 21 is communicated with the air inlet pipe 7 at the top end of the purifying device 6.

Further, exhaust fans 23 are installed on the diversion pipeline 5 and the gas transmission pipeline.

The working principle is as follows: in the using process of the fume hood body 1, an operator can start an exhaust fan 23 on the purifying and guiding mechanism, under the action of the exhaust fan 23, waste gas in the operating cavity 3 is collected through a gas collecting hood 4 and is conveyed to the inside of a purifying device 6 through a guiding pipeline 5, after the waste gas enters the guiding pipeline 5, the waste gas is guided into a corresponding transition cavity 8 through a diversion pipeline 5, the waste gas is filtered layer by layer through filtering filler on a filtering partition plate 9, adsorbed and then passes through a filtering transverse plate 10 to enter a transition chamber 11, the filtered waste gas enters a reaction cavity 13 of a purifying chamber 12 through the transition chamber 11, a water pump is started, under the action of the water pump, a waste gas treatment agent is sprayed into the reaction cavity 13 through a spray nozzle 15 at the bottom of a spray pipeline through a water pipe, then the reacted waste gas is conveyed to a drying box 18 through a gas conveying pipeline and is dried and then is discharged to a gas outlet pipe, when the PH sensor 20 on the air outlet pipe 19 detects that the pH value of the waste gas does not accord with the standard value, a signal is sent to the electromagnetic valve 22, the electromagnetic valve 22 is opened, and the waste gas which does not reach the standard is conveyed to the purification and diversion mechanism through the filtering pipeline 21 to be purified again until the discharge standard is reached.

It is worth noting that: the whole device realizes control over the integrated controller through the integrated controller, and because the equipment matched with the integrated controller is common equipment, the integrated controller belongs to the existing mature technology, and the electrical connection relation and the specific circuit structure are not repeated.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a purify water conservancy diversion subassembly for fume chamber which characterized in that: comprises a fume hood body (1); an operating platform (2) is installed inside the fume hood body (1), and an operating cavity (3) is arranged above the operating platform (2); the top end of the operation cavity (3) is provided with a purification flow guide mechanism; the purification and flow guide mechanism comprises a gas collecting hood (4) arranged at the top end of the operation cavity (3), the top end of the gas collecting hood (4) is communicated with an air outlet at the top end of the operation cavity (3), the top end of the air outlet is communicated with an air inlet pipe (7) at the top end of the purification device (6) through a flow guide pipeline (5), and the bottom of the air inlet pipe (7) is communicated with a plurality of flow distribution pipes; a plurality of filtering cavities (8) are arranged in the purifying device (6) at intervals, and one end of the flow dividing pipe, which is far away from the air inlet pipe (7), extends into the filtering cavities (8); a plurality of filtering partition plates (9) with V-shaped structures are arranged in the filtering cavity (8) at intervals; the bottom of filter chamber (8) is provided with filters diaphragm (10), and the bottom of filtering diaphragm (10) is provided with transition room (11), and the bottom of transition room (11) communicates clean room (12), and the internally mounted of clean room (12) has reaction chamber (13) and dispensing chamber (14).

2. A clean air guide assembly for a fumehood according to claim 1, wherein: a spray pipeline is installed at the top end of the reaction cavity (13), a spray head (15) is installed at the bottom of the spray pipeline, a reaction tank (16) is arranged at the bottom of the dispensing cavity (14), a water pump is installed inside the reaction tank (16), and the water pump is communicated with the spray pipeline through a water delivery pipe; a flow guide hopper (17) is arranged between the reaction cavity (13) and the dispensing cavity (14).

3. A clean air guide assembly for a fumehood according to claim 1, wherein: one side of the reaction cavity (13) is communicated with the drying box (18) through a gas transmission pipeline, and one side of the drying box (18) is provided with a gas outlet pipe (19).

4. A clean air guide assembly for a fumehood according to claim 3 wherein: install PH sensor (20) on outlet duct (19), one side intercommunication filter tube (21) of outlet duct (19), install solenoid valve (22) on filter tube (21), and filter tube (21) keep away from intake pipe (7) on one end intercommunication purifier (6) top of drying cabinet (18).

5. A clean air guide assembly for a fumehood according to claim 1, wherein: exhaust fans (23) are respectively arranged on the diversion pipeline (5) and the gas transmission pipeline.