JPH04137733U - static mixer - Google Patents

Abstract

(57) [Summary] [Objective] To make a static mixer compact, to be able to produce a good mixed liquid, and to be able to easily clean the mixing element. [Configuration] Granular mixing element 5 with a thickness greater than its inner diameter
It consists of a housing 2 having a large-diameter part in the middle filled with the same, and an inlet-side connecting pipe 1 and an outlet-side connecting pipe 6 connected to the front and rear thereof, respectively.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

This idea allows liquids such as multiple liquid foods, chemicals, or dyes to be transported through piping. This relates to a static mixer for mixing inside the machine.

0002

[Conventional technology]

As shown in Figure 2, a conventional static mixer uses a cylinder with a constant diameter. In the shaped housing 7, twisted plate-like blades are arranged in a line along the flow direction of the liquid. It is known that several to several dozen elements 8 are arranged in a row. This status In the mixer, while a plurality of liquids pass through a number of elements 8, mixed with each other.

0003

[Problem that the idea aims to solve]

In the above static mixer, when multiple liquids to be mixed flow in, first, The first element 8 divides it into two, and the second element 8 divides it into four. Each time the liquid passes through each element 8, it divides exponentially. divided. By the way, in order to completely mix multiple liquids, element 8 must be used. It is necessary for the number. However, there are limitations on the length of the equipment and permissible limits for pressure loss. It is impossible to arrange an infinite number of elements 8, and it is impossible to completely mix multiple liquids. is virtually impossible to hope for. Also, when cleaning elements contaminated with liquid, clean the housing The complicatedly shaped elements 8 had to be removed from the ring 7 and washed one by one, which was very tedious. It requires a lot of effort.

[0005] This idea can create a good mixed liquid with a compact device, and The aim is to provide a static mixer whose mixing elements are easy to clean. are doing.

[0006]

[Means to solve the problem] In order to achieve the above purpose, the static mixer of this invention has a A housing with a large diameter part in the middle filled with granular mixing elements in the upper thickness. , consisting of an inlet-side connecting pipe and an outlet-side connecting pipe connected before and after, respectively. It is.

[0007]

[Effect]

In the static mixer configured as above, from the inlet side connecting pipe When multiple liquids to be mixed are injected, the liquids flow into the mixing element or into the mixing element. Each grain prevents the grain from going straight, and it travels around it to the next mixing element. The process is repeated, and each time it is divided and mixed with each other, and the mixture is completely mixed before exiting. It flows out into the side connecting pipe. Also, remove the housing from the inlet and outlet connecting pipes. When removed, immersed in cleaning water, etc., and shaken, the mixing elements inside the housing will swing and mix together. The mixing elements are rubbed together and dirt is removed from the mixing elements.

[0008]

【Example】

An embodiment of the static mixer of this invention will be described with reference to FIG.

[0009] This static mixer has a large diameter that houses granular mixing elements 5 inside. A housing 2 having a section in the middle, an inlet side connecting pipe 1 and an outlet side connecting pipe 1 in front and rear thereof, respectively. The side connecting pipes 6 are connected, and multiple liquids flow in from the inlet side connecting pipe 1 and exit from the inlet side connecting pipe 1. It flows out from the mouth side connecting pipe 6.

0010 At the upper and lower ends of the large diameter part of the housing 2, there are an upper element holding plate 3 and a lower element holding plate 3. Element holding plates 4 are arranged respectively, and mixing elements 5 are arranged in layers between them. is filled with. Both the upper element holding plate 3 and the lower element holding plate 4 are made of gold. A mesh or punched plate is used, but in order to reduce pressure loss, the porosity of the It is desirable that both of them be 25% or more.

[0011] The upper and lower liquid inlets or outlets of the large diameter part of the housing 2 are connected to the mixing element. It is desirable to form a smooth taper toward the large diameter part, which is the filling part of the point 5. Delicious. It is appropriate that the diameter of the large diameter part is approximately twice the diameter of the inlet side connecting pipe 1. be. In this way, pressure loss at the large diameter portion can be reduced. Also , if the diameter of the large diameter part is made significantly larger than this, the mixing effect of multiple liquids will be reduced. Become.

0012 The mixing element 5 is preferably disc-shaped with a diameter of 2 to 5 mm and a thickness of 1 to 2 mm. , materials such as metal, resin, and ceramic can be used. housing The filling amount of the mixing element 5 in the large diameter part of the housing 2 is the inner diameter of the large diameter part of the housing 2. It is necessary to make the thickness more than that. If the filling amount is less than this, the mixing effect of multiple liquids will be reduced. Not enough.

[0013] When trying to mix from the inlet side connection pipe 1 of a static mixer with such a configuration, When a plurality of liquids flow in, the liquids pass through the upper element holding plate 3 and If you are in the mixing element 5, and each grain of the mixing element 5 prevents you from going straight, The process is repeated until it reaches the next mixing element 5, and is divided each time. and mix with each other, and when they reach the lower element holding plate 4, they are completely mixed. The mixture is mixed and flows out to the outlet side connecting pipe 6.

[0014] Also, remove the housing 2 from the inlet side connecting pipe 1 and the outlet side connecting pipe 6, and remove the cleaning water etc. When the mixing element 5 inside the housing 2 is immersed in water and shaken, the mixing element 5 inside the housing 2 3 and the lower element holding plate 4, and the mixing element rubs against each other. Dirt is removed from 5.

[0015]

[Effect of the idea]

This idea is structured as explained above, so the following be effective.

[0016] In other words, by using granular mixing elements, multiple liquids can be mixed almost completely. can be done. Additionally, the equipment can be made more compact and pressure loss can be reduced. and the mixing element can be easily cleaned.

[Brief explanation of drawings]

FIG. 1 is a longitudinal sectional view of a static mixer of this invention.

FIG. 2 is a perspective view of a conventional static mixer with one side removed.

[Explanation of symbols]

1 Inlet side connection pipe 2 Housing 3 Upper element holding plate 4 Lower element holding plate 5 Mixing element 6 Outlet side connection pipe

Claims (1)

[Scope of utility model registration request] [Claim 1] A static housing comprising a housing having a large-diameter part in the middle filled with granular mixing elements to a thickness greater than the inner diameter of the housing, and an inlet-side connecting pipe and an outlet-side connecting pipe connected to the front and rear thereof, respectively. mixer.