CN108264007B - Filling device based on airflow sealing and sealing filling method - Google Patents
Filling device based on airflow sealing and sealing filling method Download PDFInfo
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- CN108264007B CN108264007B CN201611250612.1A CN201611250612A CN108264007B CN 108264007 B CN108264007 B CN 108264007B CN 201611250612 A CN201611250612 A CN 201611250612A CN 108264007 B CN108264007 B CN 108264007B
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- filling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
- B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
- B67C3/30—Filling of barrels or casks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
- B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
- B67C3/30—Filling of barrels or casks
- B67C3/34—Devices for engaging filling-heads with filling-apertures
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Abstract
The invention relates to a filling device based on airflow sealing and a sealing filling method, the device comprises a sealing filling room, a filling gun, a material barrel, a sealing door and a conveying roller way, wherein the filling gun is provided with an airflow sealing device, the airflow sealing device is used for isolating the contact between air containing water vapor and other undesirable components and materials by utilizing airflow formed by gas which does not chemically react with the materials, so that the sealing filling is realized, the water vapor and other undesirable components in the outside air are effectively isolated in the filling process, the chemical raw materials are ensured not to be polluted and do not chemically react in the filling process, the economic loss and other adverse effects brought by the chemical raw materials are effectively avoided, and the device is significant for chemical material manufacturers.
Description
Technical Field
The invention belongs to the field of filling equipment in high-risk, high-pollution and high-strength chemical industry, and particularly relates to a filling device and a closed filling method based on airflow closure.
Background
Due to the special physical and chemical properties of many chemical raw materials, the chemical raw materials can react with water vapor or other substances in the air, such as acrylic acid ethyl ester which is cured in water. The method for solving the problem of the existing chemical filling equipment is to fill in a closed filling room, dry air or inert gas is filled in the filling room to form micro positive pressure in the filling room so as to prevent air containing water vapor from entering the filling room to influence normal filling of materials, the specific scheme is shown in figure 1, a transmission roller table 5 penetrates through the closed filling room 1 after being arranged, a container 3 containing materials moves to a position near the closed filling room 1 before being filled, a sealing door 4 is opened after the container is filled with the dry air or the inert gas so that the container 3 containing materials continuously moves along the transmission roller table 5 to enter the closed filling room 1 for filling, the sealing door 4 is closed subsequently, a filling gun 2 moves downwards to fill the container 3 containing materials, and the container 3 moves upwards after filling is finished. The container 3 for containing the materials is conveyed out of the closed filling room 1 along the conveying roller way 5 through the sealing door 4 opened at the other side, the sealing door 4 is closed afterwards, and the filling process is finished. The frequent opening of the sealing doors at two sides of the filling chamber leads to the fact that micro-positive pressure in the filling chamber cannot be formed at all, air containing water vapor can enter the filling chamber in large quantity to react with materials to deteriorate, the air cannot be normally sold and used, and immeasurable economic loss and adverse effects are brought to chemical plants and users in the production and use processes.
Disclosure of Invention
In order to effectively solve the problem that a large amount of air containing water vapor and other harmful components enters a filling room to react with materials and deteriorate in the filling process of filling equipment, the invention provides a filling device and a closed filling method based on airflow closure.
The invention discloses a filling device based on airflow sealing, which comprises a sealed filling room, a filling gun, a material barrel, a sealing door and a transmission roller way, and is characterized in that the filling gun is provided with an airflow sealing device, and the airflow sealing device comprises an air suction box, an exhaust pipe, an air supply barrel and an adjustable rotary cover; the exhaust box is provided with an exhaust port connected with the exhaust pipe, the exhaust pipe comprises an exhaust pipe and an exhaust cylinder, the exhaust box is located on the lower portion of the exhaust pipe, the exhaust cylinder is located on the lower portion of the exhaust box, the air supply cylinder is provided with an air inlet, the air supply cylinder and the exhaust cylinder are of annular sleeved structures, the air supply cylinder is in threaded connection with the adjustable rotary cover, and a gap for blowing out air is formed between the adjustable rotary cover and the adjustable rotary cover.
Further, the adjustable rotary cover is of a conical annular structure.
Furthermore, the gap formed between the air draft tube and the adjustable rotary cover is adjusted to be a conical annular gap by the adjustable rotary cover.
Further, the air supply barrel is of an external thread structure, and the adjustable rotary cover is of an internal thread structure.
Further, dry air or inert gas is blown in through the air inlet interface.
Further, the air in the air supply barrel is pressurized.
Furthermore, the diameter of the cross section of the air draft tube is larger than the diameter of the opening of the material barrel.
A closed filling method comprises the following steps:
firstly, a filling gun descends to a specified position to prepare for filling;
secondly, blowing out gas with pressure in the air supply cylinder from a conical annular gap formed between the adjustable rotary cover and the air draft cylinder, forming a closed space between the opening of the material barrel and the air draft cylinder, starting filling, and simultaneously sucking out the gas in the material barrel by the air draft cylinder and discharging the gas out of the closed filling room through an exhaust pipe;
and thirdly, stopping the air draft cylinder after filling, blowing out the gas with pressure in the air supply cylinder from the conical annular gap formed by the adjustable rotary cover and the air draft cylinder, containing the filling gun in the closed space formed by the gas, extracting the filling gun out of the barrel opening of the material barrel, returning the filling gun to the initial position, and waiting for next filling.
Further, in the second and third steps, the gas is dry air or an inert gas.
Furthermore, before filling, the adjustable rotary cover and the air draft cylinder are adjusted to form a conical annular gap according to the pressure of air supply, so that after the filling gun is lifted out of the opening of the material barrel, dry air or inert gas is blown out to form a closed space to contain the filling gun in the closed space.
The invention has the following beneficial effects: the filling process can effectively isolate water vapor and other harmful components in the outside air, and ensure that chemical raw materials are not polluted and do not generate chemical reaction to influence the normal sale and use of the chemical raw materials.
Drawings
Fig. 1 is a schematic view of a closed filling scheme of a conventional device.
Fig. 2 is a schematic view of the closed gas flow adjustable filling device of the present invention.
Fig. 3 is a schematic view of the airflow blocking device of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following detailed description and accompanying drawings.
The invention aims to effectively solve the problem that a large amount of air containing water vapor and other undesirable components enters a filling room to react with materials to deteriorate in the filling process of filling equipment. The invention uses the airflow formed by dry inert gas or other gases which do not react with the materials to isolate the contact between the air containing water vapor and other undesirable components and the materials, thereby realizing the filling device and the closed filling technology of closed filling. The chemical raw materials are not polluted in the filling process, and the normal sale and use of the chemical raw materials are not influenced by chemical reaction.
According to the filling device based on the airflow sealing, the whole structure of the filling equipment still adopts the existing structure, and as shown in fig. 2, the filling device comprises a sealed filling room 1, a filling gun 2, a material barrel 3, a sealing door 4 and a transmission roller way 5. An airflow sealing device 6 is additionally arranged at the filling gun 2, the specific structure of the airflow sealing device 6 is shown in figure 3, and the airflow sealing device 6 mainly comprises three parts including an air suction box, an exhaust pipe and an air supply cylinder, and is respectively composed of a dry air or inert gas inlet connector 7, an exhaust pipe 8, an air suction box 9, an air supply cylinder 10, an air suction cylinder 11 and an adjustable rotary cover 12. The air supply cylinder 10 and the air draft cylinder 11 are of annular sleeved structures, the air supply cylinder 10 is of an external thread structure, the adjustable rotary cover 12 is of an internal thread structure, the adjustable rotary cover 12 is of a conical annular structure, the relative position between the adjustable rotary cover 12 and the air supply cylinder 10 can be adjusted by rotating the adjustable rotary cover 12, and then the size of an air flow gap blown by dry air or inert gas is adjusted, namely the size of an annular gap formed between the air draft cylinder 11 and the adjustable rotary cover 12 is adjusted to a required gap.
Before filling, an adjustable rotary cover and an air draft cylinder form a conical annular gap by adjusting the pressure of air supply, so that after a filling gun 2 is lifted out of a material barrel 3 barrel opening, dry air or inert gas is blown out to form a closed space to contain the filling gun 2 in the closed space. The closed-fill process specifically comprises the following steps.
In a first step, the filling gun 2 is lowered to a designated position ready for filling.
And secondly, blowing out the dry air or inert gas with pressure in the air supply cylinder 10 from a conical annular gap formed between the adjustable rotary cover 12 and the air draft cylinder 11, forming a closed space between the opening of the material barrel 3 and the air draft cylinder 11, starting filling, and simultaneously sucking the dry air or inert gas in the material barrel 3 by the air draft cylinder 11 and discharging the dry air or inert gas out of the closed filling room 1 through the exhaust pipe 8. In the second step of working process, the air in the air supply cylinder 10 is kept to be blown out from the conical annular gap formed between the adjustable rotary cover 12 and the air draft cylinder 11, a closed space is formed between the opening of the material barrel 3 and the air draft cylinder 11, and dry air or inert gas is filled in the closed space.
And thirdly, after filling is finished, the air draft tube 11 stops working, the filling gun 2 is lifted out of the opening of the material barrel 3, the filling gun 2 returns to the initial position to wait for next filling, the filling gun 2 performs the actions and simultaneously keeps the gas with pressure in the air supply tube 10 to be blown out from a tapered annular gap formed by the adjustable rotary cover 12 and the air draft tube 11, the filling gun 2 is contained in a closed space formed by the gas and cannot be contacted with the air containing water vapor and other adverse components, the problem that the water vapor and other adverse components of the material have chemical reaction with the material in the filling process can be solved, the economic loss and other adverse effects caused by the material are effectively avoided, and the true closed filling is fundamentally realized.
Claims (6)
1. A filling device based on airflow sealing comprises a sealed filling room (1), a filling gun (2), a material barrel (3), a sealing door (4) and a conveying roller way (5), and is characterized in that the filling gun (2) is provided with an airflow sealing device (6), and the airflow sealing device (6) comprises an air suction box, an exhaust pipe, an air supply cylinder and an adjustable rotary cover (12); the air suction box (9) is provided with an exhaust port connected with an exhaust pipe, the exhaust pipe comprises an exhaust pipe (8) and an air suction cylinder (11), the air suction box (9) is positioned at the lower part of the exhaust pipe (8), the air suction cylinder (11) is positioned at the lower part of the air suction box (9), the air supply cylinder (10) is provided with an air inlet interface (7), the air supply cylinder (10) and the air suction cylinder (11) are of annular sleeved structures, and the air supply cylinder (10) is positioned outside the air suction cylinder (11); the air supply barrel (10) is in threaded connection with the adjustable rotary cover (12), and a conical annular gap for blowing air is formed between the adjustable rotary cover (12) and the adjustable air suction barrel (11); after filling, the air draft tube (11) stops working, and the air supply tube (10) keeps working continuously; the adjustable rotary cover (12) is of a conical annular structure; the diameter of the cross section of the air draft tube (11) is larger than that of the opening of the material barrel (3).
2. The filling device based on airflow closure as claimed in claim 1, wherein the blower tube (10) is of an external thread structure and the adjustable rotary cap (12) is of an internal thread structure.
3. Filling device based on gas flow closure according to claim 1, characterized in that dry air or inert gas is blown through the gas inlet connection (7).
4. Filling device based on airflow closure according to claim 1, characterized in that the air in the barrel (10) is pressurized.
5. A closed filling method applied to the filling device of claim 1, wherein before filling, an adjustable rotary cover (12) and an air draft tube (11) are adjusted to form a conical annular gap according to the pressure of air supply, so that after the filling gun (2) is lifted out of a barrel opening of a material barrel (3), dry air or inert gas is blown out at a proper flow rate to form a closed space, and the filling gun (2) is contained in the closed space; the filling process specifically comprises the following steps:
firstly, a filling gun (2) descends to a specified position to prepare for filling;
secondly, blowing out gas with pressure in the air supply cylinder (10) from a conical annular gap formed by the adjustable rotary cover (12) with a conical annular structure and the air draft cylinder (11), forming a closed space between the opening of the material barrel (3) and the air draft cylinder (11), starting filling, and simultaneously sucking out the gas in the material barrel (3) by the air draft cylinder (11) and discharging the gas out of the closed filling room (1) through the exhaust pipe (8);
and thirdly, after filling is finished, stopping the air draft tube (11), keeping the air with pressure in the air supply tube (10) blown out from a conical annular gap formed by the adjustable rotary cover (12) and the air draft tube (11), containing the filling gun (2) in a closed space formed by the air, lifting the filling gun (2) out of the opening of the material barrel (3), returning the filling gun (2) to the initial position, and waiting for next filling.
6. A method of closed-fill processing as claimed in claim 5, wherein in the second and third steps, the gas is dry air or an inert gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611250612.1A CN108264007B (en) | 2016-12-30 | 2016-12-30 | Filling device based on airflow sealing and sealing filling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611250612.1A CN108264007B (en) | 2016-12-30 | 2016-12-30 | Filling device based on airflow sealing and sealing filling method |
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| Publication Number | Publication Date |
|---|---|
| CN108264007A CN108264007A (en) | 2018-07-10 |
| CN108264007B true CN108264007B (en) | 2021-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611250612.1A Active CN108264007B (en) | 2016-12-30 | 2016-12-30 | Filling device based on airflow sealing and sealing filling method |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5306209A (en) * | 1992-05-04 | 1994-04-26 | Lang Fred D | Contaminant shield for viewing ports |
| CN205150290U (en) * | 2015-11-12 | 2016-04-13 | 湖南科伦制药有限公司 | Powder filling device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101476665B (en) * | 2009-01-15 | 2012-01-04 | 上海交通大学 | Apparatus for prolonging service life of sealed mechanism lubricant by filling with inert gas |
| US8997804B2 (en) * | 2011-10-18 | 2015-04-07 | Vapor Systems Technologies, Inc. | Nozzle interlock failsafe/lost motion mechanisms |
| CN102674225B (en) * | 2012-05-18 | 2014-03-05 | 长春北方仪器设备有限公司 | Filling head with air-liquid duplex channel, filling system and method thereof |
| CN202962711U (en) * | 2012-09-18 | 2013-06-05 | 林玉霞 | Air outlet structure of blower gun |
| CN205113804U (en) * | 2015-10-15 | 2016-03-30 | 立邦涂料（天津）有限公司 | Curing agent filling pipeline device |
-
2016
- 2016-12-30 CN CN201611250612.1A patent/CN108264007B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5306209A (en) * | 1992-05-04 | 1994-04-26 | Lang Fred D | Contaminant shield for viewing ports |
| CN205150290U (en) * | 2015-11-12 | 2016-04-13 | 湖南科伦制药有限公司 | Powder filling device |
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| Publication number | Publication date |
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| CN108264007A (en) | 2018-07-10 |
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Address after: 130012 No. 177, Software 3 Road, Changchun High-tech Development Zone, Jilin Province Applicant after: Changchun Rongcheng Intelligent Equipment Manufacturing Co., Ltd. Applicant after: Changchun blue boat Technology Co., Ltd. Address before: 130012 No. 177, Software 3 Road, Changchun High-tech Development Zone, Jilin Province Applicant before: Changchun North Chemical Filling Equipment Co., Ltd. Applicant before: Changchun blue boat Technology Co., Ltd. |
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