WO2016076751A1

WO2016076751A1 - Dosing pump

Info

Publication number: WO2016076751A1
Application number: PCT/RU2015/000492
Authority: WO
Inventors: Виталий Алексеевич CABEHKOB
Original assignee: Ооо "Фармасапфир"
Priority date: 2014-11-14
Filing date: 2015-08-06
Publication date: 2016-05-19
Also published as: EA201600035A1; EA029479B1; RU2580892C1

Abstract

The invention relates to a dosing pump for dosing liquid media, including corrosive liquid media, used in the food, medicine, chemical, perfume, cosmetic and mechanical engineering industries. The technical result of the invention consists in eliminating the interaction of a dosing liquid with a pump material, in decreasing defects when dosing liquid media, and in decreasing the time required for assembling/disassembling a pump when sterilizing same. A dosing pump contains a hollow cylindrical housing made of α-Аl₂О₃-based crystal, wherein the housing consists of two parts; one part has a larger diameter and is capable of compressing at least one inlet channel, at least one outlet channel, and a securing means in order to install the dosing pump on a dosing line, said channels and securing means being made of α-Аl₂О₃-based crystal. Wherein, on one side, the housing is capable of accommodating therein a plunger or a piston, made of α-Аl₂О₃-based crystal and capable of being displaced within the housing by means of a rod, which rod is made of α-Аl₂О₃-based crystal and is capable of being compressed into the plunger or piston; on the other side, the housing is capable of accommodating therein a slide valve made of α-Аl₂О₃-based crystal.

Description

PUMP DISPENSER

Technical field

The invention relates to a metering pump for dispensing liquid media, including aggressive ones, used in food, medical, chemical, perfumery, cosmetics, engineering and other industries.

State of the art

The metering pump disclosed in RU 2005/102733 A, publ. 07/10/2006. A known metering pump includes a cylindrical housing, outlet and supply channels, a rod, a plunger or piston, and a gate. The body, stem, plunger or piston and gate are made, at least partially, of a-AI ₂ O ₃ -based crystal, and the outlet and inlet channels are made with a-ABO3-based crystal walls.

The disadvantages of the known pump are that the individual parts of the assembly units are made of metal, which negatively affects the dosed liquid, the possible oxidation from the metal can get into the dosed liquid.

The closest analogue of the claimed group of the invention is a metering pump disclosed in the source RU 2240733 C1, publ. 11/27/2004, in which a metering pump is disclosed, including a cylindrical body, outlet and supply channels, a rod, a plunger or piston, and a gate. A housing, a rod, a plunger or piston and a gate made of a crystal based on a-ABO3.

The disadvantages of the closest analogue is that the metering pump disclosed in the closest analogue is manufactured using metal components of the assembly units of the metering pump. In known cases, in the manufacturing process of dispensing liquid media, the contact of metal and these liquid media is unacceptable. Since contact with the liquid metal is harmful, it gives a chemical oxidation reaction, which is unacceptable, for example, when dosing many drugs.

Medicines significantly reduce their properties due to metal oxidation.

Disclosure of invention

The objective of the proposed technical solution is to develop a metering pump that has optical transparency and allows not to interact with the material of the pump dosing liquids. The technical result of the invention is the elimination of the interaction of the dosing liquid with the pump material, reducing rejects when dosing liquid media, reducing the time of assembly / disassembly of the pump during its sterilization.

The specified technical result is achieved due to the fact that the metering pump comprises a hollow cylindrical body made of a crystal based on α-ΑΙ ₂ Ο ₃ , moreover, the body consists of two parts, one part of which has a larger diameter and is configured to be pressed, at least at least one inlet channel, at least one outlet channel and a latch for installing a metering pump on a dosing line made of a crystal based on a-A1 ₂ 0z. Moreover, on the one hand, the housing is made with the possibility of placing inside it a plunger or piston made of a crystal based on a-A1 ₂ Oz and made with the possibility of moving inside the housing using a rod made of a crystal based on α-ΑΙ ₂ 0 ₃ and made with the possibility of pressing into a plunger or piston, and on the other hand, the housing is configured to accommodate a gate made of a crystal based on a-A1 ₂ 0z inside it.

The plunger or piston is configured to be sealed and reciprocated within the housing.

The gate is made with the possibility of a tight location and rotation inside the housing.

The surface of the gate contains grooves made with the possibility of opening / closing the channels during rotation of the gate.

The gate is made with the possibility of pressing into it a “plug” made of a crystal based on a-A1 ₂ 0z and made with the possibility of transmitting rotation to the gate.

The housing, the gate, the stem, the outlet and supply channels, the clamp for installing the metering pump, the “plug”, the plunger or piston are made of a crystal based on α-ΑΙ ₂ Ο ₃ with a roughness of 50 nm to 5 A. Which gives absolute optical transparency . Crystals selected from the group were used as a crystal based on α-ΑΙ ₂ 0 ₃ : leucosapphire, alexandrite, red ruby, blue sapphire, orange sapphire, orange padparaja, yellow sapphire, green sapphire, pink sapphire, dark red sapphire, purple sapphire .

Brief Description of the Drawings FIG. 1 - View of the metering pump on the gate side.

FIG. 2 - Section of the metering pump assembly

1 - Case;

2 - “Fork”;

3 - Plunger or piston;

4 - outlet channel;

5 - inlet channel;

6- gate;

7 - Stock;

8 - latch;

9 - Pump chamber.

The implementation of the invention

The metering pump comprises a hollow cylindrical housing (1) made of a crystal based on a-A1 ₂ Oz, the housing (1) consisting of two parts, one part of which has a larger diameter and is configured to press in at least one supply channel (5) of at least one outlet channel (4) and a latch (8) for installing a metering pump on a dosing line made of a crystal based on a-A1 ₂ Oz, and on the one hand the housing is arranged to be placed inside a plunger or piston (3) made of cree steel based on a-A1 ₂ Oz and made with the possibility of movement inside the housing using a rod (7) made of a crystal on the basis of a-A1 ₂ Oz and made with the possibility of pressing into a plunger or piston (3), and on the other hand the body (1) is configured to accommodate a gate (6) made of a crystal based on a-A ^ Oz inside it.

The plunger or piston (3) is configured to be sealed and reciprocated within the housing (1).

The gate (6) is made with the possibility of tight location and rotation inside the housing (1).

The surface of the gate (6) contains grooves (not shown in FIG.) Configured to open / close channels during rotation of the gate.

The gate (6) is configured to press into it a “plug” (2) made of a crystal based on a-A1 ₂ Oz and configured to transmit rotation to the gate (6). Housing (1), gate (6), stem (7), outlet (4) and inlet (5) channels, clamp (8) for installing the metering pump on the dosing line, “plug” (2), plunger or piston ( 3) made of a crystal based on α-ΑΙ ₂ 0 ₃ with a roughness of 50 nm to 5 A.

Crystals selected from the group: leucosapphire, alexandrite, red ruby, blue sapphire, orange sapphire, orange padparaja, yellow sapphire, green sapphire, pink sapphire, dark red sapphire, purple sapphire were used as a crystal based on a-A1 ₂ 0z.

The metering pump operates as follows.

Elements of the metering pump: housing (1), plunger or piston (3), inlet (5) and outlet (4) channels, “plug” (2), rod (7), lock (8), gate (6), made of a-ABO3-based crystal with a surface roughness of 50 nm to 5 A are assembled into one unit. The latch (8), outlet (4) and inlet (5) channels are pressed into the housing (1). They are pressed into the “gate” (6) into the “plug” (2) and the gate (6) is inserted inside the housing (1) from one end thereof. The rod (7) is pressed into the plunger or piston (3), after which the plunger or piston (3) is inserted into the housing (1) from its other end. Moreover, the diameters of the gate (6), plunger or piston (3) ensure the tightness of the inner diameter of the housing (1). The assembled metering pump is fixed to the dosing line using a clamp (8), the “plug” (2) and the stem (7) are connected to the drive of the dosing machine. A liquid dosing medium is supplied through the inlet channel (5) to fill the chamber (9) of the metering pump. Moreover, the gate (6) has grooves that allow you to open or close the outlet (4) or inlet (5) channels during its rotation. After filling the chamber (9), the gate (6) is turned using the “plug” (2), while the inlet (5) channel is closed and the outlet (4) channel is opened. The plunger or piston (3) with the help of the rod (7) squeezes out the liquid medium through the outlet (4) channel, which fills the corresponding containers.

A surface roughness from 50 nm to 5 A of the metering pump parts, including the housing, ensures its optical transparency, which allows to reduce rejection during dosing, since during dosing the operator without special equipment through the transparent housing can control and prevent the formation of bubbles in the tank as they change the volume of the dosing liquid. When replacing one dosing fluid with another, sterilization is required. The surface roughness provides a minimum coefficient of friction and makes it easy to disassemble the individual elements (gate, plunger) of the metering pump.

The material (crystal based on a-A1 ₂ 0h) of the elements of the metering pump (housing, plunger or piston, inlet and outlet channels, “plug”, rod, retainer, gate) eliminates the chemical interaction of the metering fluid with the internal elements of the metering pump, as well as the chemical interaction of the dosing liquid vapor with the external elements of the dosing pump. In addition, the material of the elements of the metering pump provides the chemical frequency of the metering fluid.

Thus, the present invention allows to obtain a metering pump, which allows to exclude the interaction of the dosing liquid with the pump material, to reduce marriage during the dosage of liquid media, to reduce the time of assembly / disassembly of the pump during sterilization.

The invention has been disclosed above with reference to a specific embodiment. Other specialists may be obvious to other embodiments of the invention, without changing its essence, as it is disclosed in the present description. Accordingly, the invention should be considered limited in scope only by the following claims.

Claims

Claim

1. A metering pump comprising a hollow cylindrical body made of a crystal based on α-ΑΙ ₂ 0 ₃ , the body consisting of two parts, one part of which has a larger diameter and is configured to press in at least one inlet channel, at least one outlet channel and a latch for installing a metering pump on a dosing line made of a crystal based on a-A1 ₂ 0z, and on the one hand the housing is arranged to accommodate a plunger or piston made of crystal n and on the basis of α-ΑΙ ₂ 0 ₃ and made with the possibility of movement inside the housing using a rod made of a crystal based on a-A1 ₂ 0z and made with the possibility of pressing into a plunger or piston, and on the other hand, the housing is arranged to be placed inside it a gate made of a crystal based on a-A1 ₂ 0z.

2. Hacoc-dispenser according to claim 1, characterized in that the plunger or piston is made with the possibility of a tight location and reciprocating movement inside the housing.

3. The metering pump according to claim 1, characterized in that the gate is configured to be sealed and rotated inside the housing.

4. The metering pump according to claim 3, characterized in that the surface of the gate contains grooves made with the possibility of opening / closing the channels during rotation of the gate.

5. The metering pump according to claim 4, characterized in that the gate is configured to press into it a “plug” made of a crystal based on a-A1 ₂ 0z and configured to transmit rotation to the gate.

6. The metering pump according to claim 5, characterized in that the housing, the gate, the stem, the outlet and supply channels, the latch for installing the metering pump on the dosing line, the “plug”, plunger or piston are made of α-кристал based crystal ₂ 0 ₃ with a roughness of 50 nm to 5 A.

7. A metering pump according to claims 1 to 6, characterized in that crystals selected from the group of leucosapphire, alexandrite, red ruby, blue sapphire, orange sapphire, orange padparaja are used as a crystal on the basis of a-A1 ₂ 0z. , yellow sapphire, green sapphire, pink sapphire, dark red sapphire, purple sapphire.