CN111806899B - Metering device for quantitatively adding powder into liquid and using method - Google Patents
Metering device for quantitatively adding powder into liquid and using method Download PDFInfo
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- CN111806899B CN111806899B CN202010723917.XA CN202010723917A CN111806899B CN 111806899 B CN111806899 B CN 111806899B CN 202010723917 A CN202010723917 A CN 202010723917A CN 111806899 B CN111806899 B CN 111806899B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/26—Hoppers, i.e. containers having funnel-shaped discharge sections
- B65D88/28—Construction or shape of discharge section
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/093—Cleaning containers, e.g. tanks by the force of jets or sprays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/0093—Devices for cleaning the internal surfaces of the container and forming part of the container
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/54—Gates or closures
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
The invention discloses a metering device for quantitatively adding powder into liquid, which comprises a stock bin, a fixed containing barrel and a transition barrel, wherein the stock bin, the fixed containing barrel and the transition barrel are sequentially communicated from top to bottom; the outer wall of the top end of the storage bin is fixedly connected with a lifting motor, the lifting motor is connected with a guide rod in a driving mode, and the guide rod penetrates through the storage bin, the volume-fixing barrel and the transition barrel; the lower part of the guide rod is provided with a first piston and a second piston, the cross sections of the first piston and the second piston are the same as the cross section of the constant volume barrel, and the distance between the first piston and the second piston does not exceed the height of the constant volume barrel; an air pipe penetrates through the piston, one port of the air pipe is arranged between the piston I and the piston II, and the other port of the air pipe is arranged outside the storage bin and used for air inlet; the lower part of the transition barrel is provided with a cover plate close to the opening, and the cover plate is connected with the transition barrel in a sealing way through a spring. The metering device can effectively prevent the powder in the metering device from contacting with steam when entering liquid, and ensures the dry environment in the metering device.
Description
Technical Field
The invention belongs to the technical field of metering and feeding devices, and particularly relates to a metering device for quantitatively feeding powder into liquid.
Background
When powder needs to be quantitatively added into a certain liquid, the prior art mostly adopts the method that the powder is firstly dissolved into a solution barrel/tank to prepare a high-concentration solution, then the high-concentration solution is pumped into the liquid through a metering pump, the adding process is complex, the operation is complex, and the method is not suitable for certain specific scenes, for example, the powder needs to be directly added into the liquid, PAC and PAM medicaments are added into a flocculation tank in water supply treatment, and phosphorus removing agents are added into the tank in sewage treatment, and the like, and the method is not suitable for large-scale production and application.
Some devices or projects need to quantitatively add powder into liquid, but due to the evaporability of the liquid, partial steam exists on the upper part of the liquid, the steam can contact with an upper metering device and adhere to the metering device, the powder in the metering device can contact with the steam to absorb water to lose efficacy or adhere to the metering device, and the powder loses efficacy or the metering device is blocked, so that the accuracy is affected.
Therefore, the development of a metering device for quantitatively adding powder into liquid with simple operation and high adding amount precision is a problem to be solved by those skilled in the art.
Disclosure of Invention
In view of this, the invention provides a metering device for quantitatively adding powder into liquid, which is simple in operation and high in adding amount accuracy.
The technical scheme is as follows:
a metering device for quantitatively adding powder into liquid comprises: the storage bin, the fixed containing barrel and the transition barrel are sequentially communicated from top to bottom; further comprising: lifting the motor, the guide rod and the air pipe;
the outer wall of the top end of the storage bin is connected with a lifting motor, the lifting motor is connected with a guide rod in a driving mode, and the guide rod penetrates through the storage bin, the volume-fixing barrel and the transition barrel;
the lower part of the guide rod is provided with a first piston and a second piston, the cross sections of the first piston and the second piston are matched with the cross section of the constant volume barrel, and the distance between the first piston and the second piston is not more than the height of the constant volume barrel;
the lower port of the air pipe is positioned between the first piston and the second piston, and the upper port of the air pipe is positioned outside the storage bin;
and the piston passes through the air pipe;
the lower part of the transition barrel is provided with a cover plate close to the opening.
The invention has the beneficial effects that: air is blown off through setting up the trachea, can thoroughly clear away the likepowder thing in the metering device totally, guarantees to throw the accurate nature of throwing the likepowder thing volume. Through the sealing effect of transition bucket lower extreme apron and the sealing effect of constant volume bucket lower extreme piston, can effectively prevent the contact of liquid steam and likepowder thing. The air forms the malleation in metering device's constant volume bucket when blowing off, effectively prevents the contact with steam when the powdery thing in the metering device gets into liquid, guarantees the dry environment in the metering device.
Further, the cover plate is connected with the transition barrel in a sealing mode through a spring.
Further, the stock bin and the transition barrel are both connected with the constant volume barrel in a sealing mode.
The adoption of the further beneficial effects is as follows: the sealing performance of the storage bin, the constant volume barrel and the transition barrel is improved, the air blowing efficiency is improved, and blowing-off is convenient.
Further, the feed bin is provided with a feed inlet.
Further, the bin bottom of the bin is in a conical shape.
The adoption of the further beneficial effects is as follows: the powder is easier to slide down into the transition barrel, and the working efficiency is improved.
Further, the volume-fixing barrel is cylindrical.
The adoption of the further beneficial effects is as follows: the friction force between the first piston, the second piston and the constant volume barrel is reduced, so that the guide rod is easier to operate, and the working efficiency is improved.
The invention also provides a use method of the metering device for quantitatively adding the powder into the liquid, which is characterized by comprising the following steps:
(1) starting a lifting motor, enabling a guide rod to move upwards, enabling the powder to slide down to the constant volume barrel from the storage bin, enabling the guide rod to move downwards under the action of the lifting motor, enabling the powder to slide down to the transition barrel when a piston II exceeds the bottom end of the constant volume barrel, and enabling the cover plate to be in sealing connection with the transition barrel through a spring;
(2) blowing air into the upper port of the air pipe, blowing off the powder in the fixed containing barrel, continuing blowing air until the powder completely falls into the transition barrel, increasing the pressure of the fixed containing barrel and the transition barrel, stretching the spring, opening the cover plate, and allowing the powder to enter the liquid;
(3) the guide rod runs upwards under the action of the lifting motor, meanwhile, air blowing to the upper port of the air pipe is stopped, and the cover plate is restored to be in a sealing connection state with the transition barrel under the action of the spring;
(4) and (4) repeating the operation steps (1) to (3) until the addition of the required powder is completed.
The invention has the beneficial effects that: the use method of the metering device for quantitatively adding the powder into the liquid has simple process and convenient operation, and is suitable for large-scale production and application.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
the device comprises a storage bin 1, a fixed volume barrel 2, a transition barrel 3, a lifting motor 4, a guide rod 5, a piston I6, a piston II 7, an air pipe 8, a cover plate 9, a spring 10, a liquid 11, a powder 12 and a feeding hole 13.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments, not all embodiments, of the present invention 1. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
As shown in fig. 1, the embodiment of the present invention discloses a metering device for quantitatively adding powder 12 into a liquid 11, comprising: the device comprises a storage bin 1, a constant volume barrel 2 and a transition barrel 3, wherein the storage bin 1, the constant volume barrel 2 and the transition barrel 3 are sequentially communicated from top to bottom; further comprising: a lifting motor 4, a guide rod 5 and an air pipe 8; the outer wall of the top end of the storage bin 1 is connected with a lifting motor 4, the lifting motor 4 is in driving connection with a guide rod 5, and the guide rod 5 penetrates through the storage bin 1, the constant volume barrel 2 and the transition barrel 3; the lower part of the guide rod 5 is provided with a first piston 6 and a second piston 7, the cross sections of the first piston 6 and the second piston 7 are matched with the cross section of the constant volume barrel 2, and the distance between the first piston 6 and the second piston 7 is not more than the height of the constant volume barrel 2; the lower port of the air pipe 8 is positioned between the first piston 6 and the second piston 7, and the upper port is positioned outside the stock bin 1; the first piston 6 penetrates through the air pipe 8; the lower part of the transition barrel 3 is provided with a cover plate 9 close to the opening.
In one embodiment, the cover plate 9 is sealingly connected to the transition tub 3 by a spring 10.
In one embodiment, the storage bin 1 and the transition barrel 3 are hermetically connected with the fixed-volume barrel 2. The adoption of the further beneficial effects is as follows: the leakproofness of feed bin 1 and constant volume bucket 2, constant volume bucket 2 and transition bucket 3 is improved, the efficiency of blowing is improved, conveniently blows and takes off.
In one embodiment, the silo 1 is provided with a feed opening 13.
Air is blown off by arranging the air pipe 8, so that the powder 12 in the metering device can be thoroughly cleaned, and the accuracy of adding the powder 12 is ensured. Through the sealing effect of the cover plate 9 at the lower end of the transition barrel 3 and the sealing effect of the piston at the lower end of the constant volume barrel 2, the contact between the vapor of the liquid 11 and the powder 12 can be effectively prevented. When the air blows off, positive pressure is formed in the constant volume barrel 2 of the metering device, the powder 12 in the metering device is effectively prevented from contacting with steam when entering the liquid 11, and the dry environment in the metering device is guaranteed.
In one embodiment, the bottom of the silo 1 is cone-shaped. The powder 12 can slide down into the transition barrel 3 more easily, and the working efficiency is improved.
In one embodiment, the volumetric barrel 2 has a cylindrical shape. The friction force between the first piston 6, the second piston 7 and the constant volume barrel 2 is reduced, so that the guide rod 5 is easier to operate, and the working efficiency is improved.
The use method of the metering device for quantitatively adding the powder 12 into the liquid 11 comprises the following steps:
(1) starting a lifting motor 4, enabling a guide rod 5 to run upwards, enabling a powder 12 to slide downwards from a bin 1 to a constant volume barrel 2 under the action of gravity, enabling the guide rod 5 to run downwards under the action of the lifting motor 4, enabling the powder 12 to slide downwards to a transition barrel 3 when a piston II 7 exceeds the bottom end of the constant volume barrel 2, enabling a cover plate 9 to be connected with the transition barrel 3 in a sealing mode through a spring 10 at the moment, and enabling the cover plate 9 and the transition barrel 3 to be closed;
(2) blowing air into an upper port of an air pipe 8 arranged outside the stock bin 1, blowing off the powder 12 in the constant volume barrel 2, continuing blowing air when the powder 12 completely falls into the transition barrel 3, increasing the pressure of the constant volume barrel 2 and the transition barrel 3, stretching the spring 10, opening the cover plate 9, and enabling the powder 12 to enter the liquid 11;
(3) the guide rod 5 runs upwards under the action of the lifting motor 4, meanwhile, air blowing to an upper port of an air pipe 8 arranged outside the storage bin 1 is stopped, and the cover plate 9 is restored to be in a sealing connection state with the transition barrel 3 under the action of the spring 10;
(4) and (5) repeating the operation steps (1) to (3) until the addition of the required powder 12 is finished.
The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (3)
1. A metering device for quantitatively adding powder into liquid is characterized by comprising: the storage bin, the fixed containing barrel and the transition barrel are sequentially communicated from top to bottom; further comprising: lifting the motor, the guide rod and the air pipe;
the outer wall of the top end of the storage bin is connected with a lifting motor, the lifting motor drives a connecting guide rod, and the guide rod penetrates through the storage bin, the volume-fixing barrel and the transition barrel;
the lower part of the guide rod is provided with a first piston and a second piston, the cross sections of the first piston and the second piston are matched with the cross section of the constant volume barrel, and the distance between the first piston and the second piston is not more than the height of the constant volume barrel;
the lower port of the air pipe is positioned between the first piston and the second piston, and the upper port of the air pipe is arranged outside the storage bin;
and the piston penetrates through the air pipe;
a cover plate is arranged at the lower part of the transition barrel close to the opening;
the cover plate is connected with the transition barrel in a sealing mode through a spring;
the storage bin and the transition barrel are both connected with the constant volume barrel in a sealing mode.
2. A metering device for dosing powder into a liquid according to claim 1, characterised in that the silo is provided with a feed opening.
3. A method of using a metering device for dosing powder into a liquid according to any of claims 1-2, comprising the steps of:
(1) starting a lifting motor, enabling a guide rod to move upwards, enabling the powder to slide down to the constant volume barrel from the storage bin, enabling the guide rod to move downwards under the action of the lifting motor, enabling the powder to slide down to the transition barrel when a piston II exceeds the bottom end of the constant volume barrel, and enabling the cover plate to be in sealing connection with the transition barrel through a spring;
(2) blowing air into the upper port of the air pipe, blowing off the powder in the fixed containing barrel, continuing blowing air until the powder completely falls into the transition barrel, increasing the pressure of the fixed containing barrel and the transition barrel, stretching the spring, opening the cover plate, and allowing the powder to enter the liquid;
(3) the guide rod runs upwards under the action of the lifting motor, meanwhile, air blowing to the upper port of the air pipe is stopped, and the cover plate is restored to be in a sealing connection state with the transition barrel under the action of the spring;
(4) and (4) repeating the operation steps (1) to (3) until the addition of the required powder is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010723917.XA CN111806899B (en) | 2020-07-24 | 2020-07-24 | Metering device for quantitatively adding powder into liquid and using method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010723917.XA CN111806899B (en) | 2020-07-24 | 2020-07-24 | Metering device for quantitatively adding powder into liquid and using method |
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| Publication Number | Publication Date |
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| CN111806899A CN111806899A (en) | 2020-10-23 |
| CN111806899B true CN111806899B (en) | 2022-04-19 |
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| CN115040023B (en) * | 2021-09-28 | 2024-03-01 | 河北农业大学 | Peculiar smell closing cap device is used at sanitary dry toilet excrement storage position |
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