CN211802958U

CN211802958U - Drainage mechanism and fume hood

Info

Publication number: CN211802958U
Application number: CN201922338065.8U
Authority: CN
Inventors: 宋铭; 刘永军; 曹娜; 王丽娜
Original assignee: Chengde Jianlong Special Steel Co Ltd
Current assignee: Chengde Jianlong Special Steel Co Ltd
Priority date: 2019-12-23
Filing date: 2019-12-23
Publication date: 2020-10-30
Anticipated expiration: 2029-12-23

Abstract

The utility model belongs to the technical field of chemical test equipment, a drainage mechanism and fume hood is disclosed. This drainage mechanism includes: the tray is arranged above the back plate, is positioned below the ventilating duct and communicated with the ventilating duct and is used for receiving the waste liquid in the ventilating duct; the waste liquid barrel is arranged below the back plate and is used for collecting waste liquid; one end of the guide pipe assembly is communicated with the tray, and the other end of the guide pipe assembly is communicated with the waste liquid barrel. This drainage mechanism passes through mutually supporting of tray, waste liquid bucket and honeycomb duct subassembly, has realized in the air pipe steam meets cold produced waste liquid inflow tray, through tray, honeycomb duct subassembly in flowing into the waste liquid bucket, and then has solved the waste liquid and has caused secondary pollution's problem, reaches the environmental protection and discharges the requirement. The current fume hood is utilized to solve the environmental protection problem by installing the drainage mechanism, and the equipment replacement cost is reduced.

Description

Drainage mechanism and fume hood

Technical Field

The utility model relates to a chemical test equipment technical field especially relates to a drainage mechanism and fume hood.

Background

Fume hoods, also known as cabinet type exhaust hoods, are particularly divided into small part paint spray cabinets, chemical laboratory fume hoods, large room type fume hoods, and the like. One side surface of the large-scale chamber type ventilation cabinet is completely opened, and an operator works in the cabinet and is mainly used for large-scale paint spraying, powder bagging and other operations.

At chemical examination wet process analysis often use the fume hood, after finishing using, on the fume hood backplate can be flowed to from the pipeline wall to the waste liquid of air pipe, can corrode the fume hood backplate, and liquid drips and causes secondary pollution at the fume hood backplate, and the waste liquid flows to the fume hood outside along the flow guide plate to drip and can cause the pollution, serious polluted environment at fume hood mesa or subaerial. Meanwhile, other devices and electrical appliances used in the fume hood are seriously corroded, and thus the maintenance cost is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a drainage mechanism and fume hood reduce environmental pollution, reduce cost of maintenance.

To achieve the purpose, the utility model adopts the following technical proposal:

a drainage mechanism comprising:

the tray is arranged above the back plate, is positioned below the ventilating duct and communicated with the ventilating duct and is used for receiving the waste liquid in the ventilating duct;

the waste liquid barrel is arranged below the back plate and is used for collecting waste liquid;

and one end of the guide pipe assembly is communicated with the tray, and the other end of the guide pipe assembly is communicated with the waste liquid barrel.

Preferably, the tray includes a body, and both ends of the body are respectively connected to and communicated with the ventilation duct and the duct assembly.

Preferably, the tray further comprises an installation part, and the installation part is arranged on the body and detachably connected to the back plate.

Preferably, the mounting portion and the back plate are connected by a bolt.

Preferably, the body and the ventilation pipeline are connected through a short joint.

Preferably, the nipple extends into the interior of the body.

Preferably, the tray is made of a PP material or a PPH material.

Preferably, the draft tube assembly includes:

a first pipeline communicated with the tray;

the second pipeline is communicated with the waste liquid barrel;

and one end of the middle pipeline is communicated with the first pipeline, and the other end of the middle pipeline is communicated with the second pipeline.

Preferably, the first and second pipes are arranged vertically with respect to a horizontal plane, and the intermediate pipe is arranged obliquely with respect to the horizontal plane.

In order to achieve the purpose, the utility model also provides a fume hood, which comprises the drainage mechanism.

The utility model has the advantages that:

the utility model provides a drainage mechanism is provided with the tray in the top of backplate for the fixed of tray, the tray is located air pipe's below and is linked together rather than, is used for accepting the waste liquid in the air pipe, has played the effect of waste liquid buffer memory and collection, and one end through setting up the guide pipe subassembly communicates in the tray, and the other end communicates in the waste liquid bucket to with the waste liquid drainage in the tray to the waste liquid bucket in, the waste liquid bucket realizes the recovery of waste liquid.

Through mutually supporting of tray, waste liquid bucket and honeycomb duct subassembly, realized in the air pipe steam meets cold produced waste liquid inflow tray, through tray, honeycomb duct subassembly inflow waste liquid bucket in, and then solved the waste liquid and caused secondary pollution's problem, reached the environmental protection and discharged the requirement. The current fume hood is utilized to solve the environmental protection problem by installing the drainage mechanism, and the equipment replacement cost is reduced.

The utility model also provides a fume hood, including foretell drainage mechanism, this drainage mechanism is small, and does not reform transform the fume hood, practices thrift manufacturing, maintenance and use cost, has reached the energy can be saved and the purpose of practicing thrift the cost, is applicable to the fume hood of all chemistry inspections simultaneously, and the commonality is stronger.

Drawings

Fig. 1 is a schematic structural view of the drainage mechanism of the present invention.

In the figure:

1. a tray; 2. a waste liquid barrel; 3. a draft tube assembly; 4. a bolt;

11. a body; 12. an installation part;

31. a first pipeline; 32. a second pipeline; 33. an intermediate pipeline.

Detailed Description

In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

After the existing fume hood is used, the waste liquid of the ventilating duct flows to the fume hood back plate from the wall of the ventilating duct, and the fume hood back plate can be corroded. To address this issue, the present embodiment provides a drainage mechanism suitable for use in chemical assay wet analysis tests. As shown in fig. 1, the drainage mechanism includes: tray 1, waste liquid bucket 2 and honeycomb duct subassembly 3 are provided with tray 1 in the top of backplate, and tray 1 is located air pipe's below and is linked together with it for accept the waste liquid in the air pipe. A waste liquid barrel 2 is arranged below the back plate, and the waste liquid barrel 2 is used for collecting waste liquid. A flow guide pipe component 3 is arranged between the tray 1 and the waste liquid barrel 2, one end of the flow guide pipe component 3 is communicated with the tray 1, and the other end is communicated with the waste liquid barrel 2.

The drainage mechanism that this embodiment provided, top at the backplate is provided with tray 1, a fixed for tray 1, tray 1 is located air pipe's below and is linked together with it, a waste liquid for accepting air pipe's interior, the effect of waste liquid buffer memory and collection has been played, one end through setting up honeycomb duct subassembly 3 communicates in tray 1, the other end communicates in waste liquid bucket 2, in order to with waste liquid drainage to waste liquid bucket 2 in the tray 1, waste liquid bucket 2 realizes the recovery of waste liquid.

Through mutually supporting of tray 1, waste liquid bucket 2 and honeycomb duct subassembly 3, steam meets cold produced waste liquid inflow tray 1 in the air pipe, and the waste liquid passes through in tray 1, the 3 inflow waste liquid bucket 2 of honeycomb duct subassembly, and then has solved the waste liquid and has caused secondary pollution's problem, reaches the environmental protection and discharges the requirement. The current fume hood is utilized to solve the environmental protection problem by installing the drainage mechanism, and the equipment replacement cost is reduced.

Further, tray 1 includes body 11 and installation department 12, and the both ends of body 11 are connected respectively in air pipe and honeycomb duct subassembly 3 and are linked together with it, and body 11 has played the effect of buffer memory waste liquid, and optionally, the internal diameter of body 11 is greater than air pipe's internal diameter, provides great accommodation space for the waste liquid. Wherein, tray 1 and air pipe both adopt welded mode to be connected, are connected through the nipple joint between body 11 and air pipe, and the connection effect is good. In order to ensure that the waste liquid in the air pipe can all flow to tray 1, set up the nipple joint and stretch into the inside of body 11, avoid the waste liquid to leak to tray 1's outside to satisfy the requirement of environmental protection.

Tray 1 is including still installing part 12, and installing part 12 is located one side of body 11, and installing part 12 sets up on body 11 and can dismantle to be connected in the backplate, and installing part 12 is used for the installation and the fixed of body 11, and is fixed effectual. Specifically, the installation part 12 is connected with the back plate through the bolt 4, so that the assembly and disassembly are convenient, the installation and maintenance are convenient, and the practicability is strong.

Alternatively, in order to reduce the number of parts to be assembled, it is preferable that the body 11 and the mounting portion 12 are formed integrally.

Further, the draft tube assembly 3 includes: first pipeline 31, second pipeline 32 and middle pipeline 33, first pipeline 31 communicates in body 11 of tray 1, second pipeline 32 communicates in waste liquid bucket 2, middle pipeline 33 is located between first pipeline 31, second pipeline 32, the one end of middle pipeline 33 communicates in first pipeline 31, the other end communicates in second pipeline 32, make the waste liquid in body 11 of tray 1 pass through first pipeline 31, middle pipeline 33 and second pipeline 32 in proper order, and flow into waste liquid bucket 2 in, played the guide effect to the waste liquid.

The first and

second pipes

31 and 32 are disposed vertically with respect to a horizontal plane, and the intermediate pipe 33 is disposed obliquely with respect to the horizontal plane. By adopting the arrangement, the waste liquid can flow downwards along the pipe wall under the action of the gravity of the waste liquid, and the first pipeline 31, the second pipeline 32 and the middle pipeline 33 form a broken line structure, so that the path through which the waste liquid flows is prolonged, and the buffer effect is further played.

It can be understood that the tray 1, the first pipeline 31, the second pipeline 32, the middle pipeline 33 and the short section can be made of PP material or PPH material, and have the advantage of high corrosion resistance.

The embodiment also provides a fume hood, including foretell drainage mechanism, this drainage mechanism is small, and does not reform transform the fume hood, practices thrift manufacturing, maintenance and use cost, has reached the energy can be saved and the purpose of saving cost, is applicable to the fume hood of all chemical inspections simultaneously, and the commonality is stronger.

In the description herein, it is to be understood that the terms "upper", "lower", "right", and the like are used in an orientation or positional relationship based on that shown in the drawings for convenience of description and simplicity of operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have any special meaning.

In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

In addition, the foregoing is only the preferred embodiment of the present invention and the technical principles applied thereto. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims

1. A drainage mechanism, comprising:

the tray (1) is arranged above the back plate, and the tray (1) is positioned below the ventilation pipeline, communicated with the ventilation pipeline and used for receiving waste liquid in the ventilation pipeline;

the waste liquid barrel (2) is arranged below the back plate and is used for collecting waste liquid;

and one end of the guide pipe component (3) is communicated with the tray (1), and the other end of the guide pipe component is communicated with the waste liquid barrel (2).

2. The drainage mechanism according to claim 1, characterized in that the tray (1) comprises a body (11), the two ends of the body (11) being connected to and communicating with the ventilation duct and the duct assembly (3), respectively.

3. The drainage mechanism according to claim 2, characterized in that the tray (1) further comprises a mounting portion (12), the mounting portion (12) being provided on the body (11) and being detachably connected to the back plate.

4. The drainage mechanism of claim 3, wherein the mounting portion (12) and the back plate are connected by a bolt (4).

5. The drainage mechanism according to claim 2, characterized in that the body (11) and the ventilation duct are connected by a nipple.

6. The drainage mechanism according to claim 5, characterized in that said nipple protrudes inside said body (11).

7. The drainage mechanism according to claim 1, characterized in that the tray (1) is made of PP or PPH material.

8. The drainage mechanism according to claim 1, characterized in that the duct assembly (3) comprises:

a first conduit (31) communicating with the tray (1);

a second line (32) communicating with the waste tank (2);

and an intermediate pipe (33) having one end connected to the first pipe (31) and the other end connected to the second pipe (32).

9. The drainage mechanism according to claim 8, characterized in that the first (31) and second (32) lines are arranged vertically with respect to a horizontal plane and the intermediate line (33) is arranged obliquely with respect to the horizontal plane.

10. A fume hood comprising a drainage mechanism according to any one of claims 1 to 9.