CN213824871U

CN213824871U - Chemical anti-suck-back device

Info

Publication number: CN213824871U
Application number: CN202022564398.5U
Authority: CN
Inventors: 袁静静
Original assignee: Hubei College of Chinese Medicine
Current assignee: Hubei College of Chinese Medicine
Priority date: 2020-11-09
Filing date: 2020-11-09
Publication date: 2021-07-30
Anticipated expiration: 2030-11-09

Abstract

The utility model discloses a chemistry is with preventing suck-back device, including the exhaust apparatus who is used for water liquid direct contact, exhaust apparatus one side is provided with and holds the bottle, hold and install the pipe-line device who is used for the connection above the bottle, hold the preceding air pump that is provided with of bottle, the air pump below is provided with the filter head, install first rubber tube above the air pump. The anti-suck-back device for chemistry of the utility model enhances the anti-suck-back capability and ensures the safety through the arrangement of secondary accommodation; the arrangement of external air pressure is introduced to promote the backflow of the suck-back solution, so that the use convenience is improved; through the setting of many pipelines, be convenient for assemble and use.

Description

Chemical anti-suck-back device

Technical Field

The utility model belongs to chemistry experiment apparatus field especially relates to a chemistry is with preventing suck-back device.

Background

Ammonia water, also known as Amania water, with a chemical quantity of 35.045, is an aqueous solution of ammonia, colorless and transparent, and has an irritating odor. The melting point of ammonia is-77.773 deg.C, boiling point is-33.34 deg.C, and density is 0.91g/cm³. Ammonia is easily dissolved in water and ethanol. Is volatile and has the general property of partial alkali, and the ammonia water is prepared by introducing ammonia gas into water. Because the operation error often appears in the chemistry experiment and causes water liquid suck-back, leads to chemical equipment to damage, so need prevent suck-back device in order to guarantee safety.

However, in the prior art, the suck back prevention is generally performed only in a single mode, which results in that: 1. the reverse suction capacity can not be used universally, the reverse suction prevention capacity is reduced, and the safety can not be ensured; 2. external air pressure is not introduced, backflow of suck-back solution cannot be promoted, and use convenience is reduced; 3. and the arrangement of a plurality of pipelines is not convenient for assembly and use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a chemistry is with preventing suck-back device 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 chemical anti-suck-back device comprises an exhaust device used for water liquid to directly contact, wherein a containing bottle is arranged on one side of the exhaust device, a pipeline device used for connection is installed on the containing bottle, an air pump is arranged in front of the containing bottle, a filter head is arranged below the air pump, and a first rubber tube is installed on the air pump; the exhaust device comprises an exhaust pipe, a water storage cavity is arranged on the exhaust pipe, and a second rubber pipe is arranged at the top of the exhaust pipe; the pipeline device comprises a sealing plug, three through holes are uniformly distributed in the middle of the sealing plug, a first bent pipe is mounted on the sealing plug, a second bent pipe is arranged on one side of the first bent pipe, an air valve is mounted on the second bent pipe, a hard straight pipe is arranged in front of the second bent pipe, the first bent pipe is in a frame shape, the second bent pipe is in an L shape, and the length of the first bent pipe is greater than that of the first bent pipe and that of the hard straight pipe respectively.

Further: the first rubber tube and the second rubber tube are made of soft rubber materials, and the length of the second rubber tube is 30 millimeters.

The soft rubber material ensures that the first rubber tube and the second rubber tube are easy to bend, and the support of the second rubber tube on the exhaust pipe is ensured by 30 mm.

Further: the first bent pipe, the second bent pipe and the rigid straight pipe are respectively connected with the sealing plug in a plugging mode, and the sealing plug is connected with the containing bottle in a plugging mode.

The plug-in connection facilitates disassembly and assembly of the sealing plug, the first bent pipe, the second bent pipe and the hard straight pipe.

Further: the second rubber tube respectively with the blast pipe with first return bend plug is connected, first rubber tube respectively with the air pump with the hard straight tube plug is connected.

The plug-in connection is convenient for dismounting and replacing the first rubber tube and the second rubber tube.

Further: the water storage cavity is spherical, and the water storage cavity and the exhaust pipe are integrally formed.

The water storage and sealing of the water storage cavity are ensured.

The working principle is as follows: inserting the exhaust pipe into water, connecting one end of a second elbow pipe with gas production equipment, opening the air valve, enabling produced ammonia gas to enter the containing bottle through the second elbow pipe, then sequentially passing through the first elbow pipe, the second rubber pipe and the exhaust pipe to be dissolved into water liquid, closing the air valve when stopping gas production, enabling water liquid to rise to the water storage cavity along the exhaust pipe, enabling the water liquid to continue to rise along the exhaust pipe if the water liquid is too much, sequentially passing through the second rubber pipe and the first elbow pipe to enter the containing bottle, opening the air pump, enabling the air pump to suck filtered air through the filter head, pressing the air into the containing bottle through the first rubber pipe, forming high pressure, and enabling the water liquid in the containing bottle to flow out through the first elbow pipe, the second rubber pipe and the exhaust pipe.

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

1. through the arrangement of secondary accommodation, the suck-back prevention capability is enhanced, and the safety is ensured;

2. the arrangement of external air pressure is introduced to promote the backflow of the suck-back solution, so that the use convenience is improved;

3. through the setting of many pipelines, be convenient for assemble and use.

Drawings

FIG. 1 is a schematic structural view of a chemical suck-back preventing device according to the present invention;

FIG. 2 is a schematic view of an exhaust apparatus of a chemical anti-back-suction apparatus according to the present invention;

FIG. 3 is a front view of a piping installation of a chemical suck back prevention device according to the present invention;

fig. 4 is a schematic view of a sealing plug of the chemical suck-back preventing device of the present invention.

In the reference symbols: 1. a receiving bottle; 2. an exhaust device; 201. an exhaust pipe; 202. a water storage cavity; 203. a second hose; 3. a pipeline device; 301. a sealing plug; 302. a first bend pipe; 303. a second bend pipe; 304. an air valve; 305. a hard straight pipe; 306. a through hole; 4. an air pump; 5. a filter head; 6. a first hose.

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.

Referring to fig. 1-4, an anti-suck-back device for chemistry comprises an exhaust device 2 for directly contacting with water, a containing bottle 1 is disposed on one side of the exhaust device 2, a pipeline device 3 for connection is mounted on the containing bottle 1, an air pump 4 is disposed in front of the containing bottle 1, a filter head 5 is disposed below the air pump 4, and a first rubber tube 6 is mounted on the air pump 4; the exhaust device 2 comprises an exhaust pipe 201, a water storage cavity 202 is arranged on the exhaust pipe 201, and a second rubber pipe 203 is arranged at the top of the exhaust pipe 201; the pipeline device 3 comprises a sealing plug 301, three through holes 306 are uniformly distributed in the middle of the sealing plug 301, a first bent pipe 302 is installed on the sealing plug 301, a second bent pipe 303 is arranged on one side of the first bent pipe 302, an air valve 304 is installed on the second bent pipe 303, a hard straight pipe 305 is arranged in front of the second bent pipe 303, the first bent pipe 302 is in a frame shape, the second bent pipe 303 is in an L shape, and the length of the first bent pipe 302 is greater than that of the first bent pipe 302 and that of the hard straight pipe 305 respectively.

Further: the first rubber tube 6 and the second rubber tube 203 are made of soft rubber materials, the length of the second rubber tube 203 is 30 mm, the soft rubber materials ensure that the first rubber tube 6 and the second rubber tube 203 are easy to bend, and the 30 mm ensures that the second rubber tube 203 supports the exhaust pipe 201; the first elbow 302, the second elbow 303 and the rigid straight pipe 305 are respectively connected with the sealing plug 301 in a plugging manner, the sealing plug 301 is connected with the accommodating bottle 1 in a plugging manner, and the sealing plug 301, the first elbow 302, the second elbow 303 and the rigid straight pipe 305 are convenient to disassemble and assemble in the plugging manner; the second rubber tube 203 is respectively connected with the exhaust pipe 201 and the first bent pipe 302 in a plugging and pulling manner, the first rubber tube 6 is respectively connected with the air pump 4 and the hard straight pipe 305 in a plugging and pulling manner, and the first rubber tube 6 and the second rubber tube 203 are convenient to disassemble, assemble and replace through the plugging and pulling connection; the water storage cavity 202 is spherical, and the water storage cavity 202 and the exhaust pipe 201 are integrally formed, so that water storage and sealing of the water storage cavity 202 are guaranteed.

The working principle is as follows: inserting the exhaust pipe 201 into water, connecting one end of the second elbow pipe 303 with gas making equipment, opening the air valve 304, making ammonia gas enter the containing bottle 1 through the second elbow pipe 303, then dissolving the ammonia gas into water liquid through the first elbow pipe 302, the second rubber pipe 203 and the exhaust pipe 201 in sequence, when stopping making gas, closing the air valve 304, rising the water liquid along the exhaust pipe 201 to the water storage cavity 202, if the water liquid is too much, continuing rising along the exhaust pipe 201, entering the containing bottle 1 through the second rubber pipe 203 and the first elbow pipe 302 in sequence, opening the air pump 4, sucking filtered air by the air pump 4 through the filter head 5, pressing the air into the containing bottle 1 through the first rubber pipe 6, forming high pressure, and enabling the water liquid in the containing bottle 1 to flow out through the first elbow pipe 302, the second rubber pipe 203 and the exhaust pipe 201.

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 chemistry is with preventing suck-back device which characterized in that: the device comprises an exhaust device (2) which is used for being in direct contact with water liquid, wherein a containing bottle (1) is arranged on one side of the exhaust device (2), a pipeline device (3) which is used for connection is arranged on the containing bottle (1), an air pump (4) is arranged in front of the containing bottle (1), a filter head (5) is arranged below the air pump (4), and a first rubber tube (6) is arranged on the air pump (4);

the exhaust device (2) comprises an exhaust pipe (201), a water storage cavity (202) is arranged on the exhaust pipe (201), and a second rubber pipe (203) is installed at the top of the exhaust pipe (201);

pipeline device (3) include sealing plug (301), evenly distributed has three through-hole (306) in the middle of sealing plug (301), install first return bend (302) above sealing plug (301), first return bend (302) one side is provided with second return bend (303), install pneumatic valve (304) above second return bend (303), second return bend (303) the place ahead is provided with hard straight tube (305), first return bend (302) shape is the frame shape, second return bend (303) shape is L shape, the length of first return bend (302) is greater than respectively first return bend (302) with the length of hard straight tube (305).

2. A chemical suck back prevention device as defined in claim 1, wherein: the first rubber pipe (6) and the second rubber pipe (203) are made of soft rubber materials, and the length of the second rubber pipe (203) is 30 mm.

3. A chemical suck back prevention device as defined in claim 1, wherein: the first bent pipe (302), the second bent pipe (303) and the hard straight pipe (305) are respectively connected with the sealing plug (301) in a plugging mode, and the sealing plug (301) is connected with the containing bottle (1) in a plugging mode.

4. A chemical suck back prevention device as defined in claim 1, wherein: second rubber tube (203) respectively with blast pipe (201) with first return bend (302) plug is connected, first rubber tube (6) respectively with air pump (4) with hard straight tube (305) plug is connected.

5. A chemical suck back prevention device as defined in claim 1, wherein: the water storage cavity (202) is spherical, and the water storage cavity (202) and the exhaust pipe (201) are integrally formed.