The choice of grow rack is a key factor affecting plant growth. Choosing the right grow rack is especially important for plant growth. In addition to size, material, color, firmness, use period, shape, drainage and ventilation and other factors have an impact on the growth of plants.

Selection of grow rack types and specifications

The growth rate of plants is closely related to the type and size of grow racks selected. For example, a large number of experiments have shown that the plant height and ground diameter growth of most plant species will increase with the increase of the size of the planting frame, but the rate varies according to the characteristics of the plants. Of course, in the case of meeting the needs of plant growth, we should also try to reduce the size of the grow rack to reduce the amount of substrate used, thereby reducing the cost of plants, and the cost of the grow rack itself should also be considered. Therefore, as long as the type and specifications of the planting frame are selected reasonably, the growth rate of the plants will not be inferior to that of the ground plants.

1. Size

In the process of plant growth, the size of the planting frame should not be sloppy. Some people use large grow racks from the beginning to save trouble, but large grow racks are more difficult to control in terms of water and fertilizer management. Small seedlings in large pots will not dry out when watered, and some areas will remain wet all the time, which will cause the soil to be impermeable and the root system of plants to grow, so it is not recommended to use it.

In order to save costs, some people choose to cultivate plants in smaller sizes, which are easy to root and pack, which is very detrimental to the root growth of seedlings. The size of the planter should be changed according to the growth of the plant and the positioning of the product, and it should not be too large or too small.

2. Color

The influence of the color of the planting frame on the growth of seedlings is mainly manifested in summer. If it is black, in summer, when exposed to sunlight, the temperature of the medium may exceed 48 degrees, and if it is white, the temperature of the medium can be appropriately lowered.

However, the white planting frame has relatively weak UV resistance, and the service life is not as long as the black one. Also, white planters are very light in color, and algae growing on the periphery of the medium will reduce the oxygen levels that promote root growth. Therefore, it is generally better to choose black. After choosing black, the work of shading in summer should be done well. In summer, you can choose to appropriately increase the density of plants, which will help the plants shade each other and reduce the temperature.

3. Material

In addition, the effect of the material of the planting frame on the growth of the plant is also obvious. Materials with good air permeability are definitely more conducive to the growth of seedlings. Especially in hot summer, if it is a material with good air permeability, it will help to reduce the growth temperature of plants.

How to choose a grow rack?

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Details can be accessed by clicking here:https://www.etegreen.com/blog/grow-racks-selection/

The use of student desks and chairs in schools is very common, because if the school does not have student desks and chairs, students cannot carry out normal learning, and the study desk is very important, so the school is choosing student classes. When it comes to tables and chairs, you need to choose carefully.

Of course, the price of student desks and chairs is very important when choosing. I believe that many buyers are more concerned about price. So how much is a set of student desks and chairs?

The price of student desks and chairs

The price of student desks and chairs is different. There are many factors that will affect the overall price of student desks and chairs. However, the price of student desks and chairs is generally between 100 yuan and 500 yuan. This price is also Market conditions are also a relatively common price range. In addition, the price will be higher, ranging from 500 yuan to several thousand yuan. These are generally functional desks and chairs or customized desks and chairs. .

Factors affecting the price of student desks and chairs

1. The influence of the material of desks and chairs

There are many materials for student desks and chairs. The materials are generally wood, steel, and plastic materials. In addition, there are combined materials, plastic-steel materials, steel-wood materials, and so on. The difference in these materials will also cause the price difference.

2. The influence of the design of desks and chairs

In addition, the design structure of student desks and chairs also has a great influence. The design is simple and complex or other small humanized designs. In addition, there is also the structure of desks and chairs. For example: the same material, the square stool is better than the one with backrest Chairs are cheaper and less material. These all affect the price.

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Details can be accessed by clicking here:https://www.aoyangschoolfurniture.com/aoyang-news/student-desk-and-chair-price.html

In mining and other industries, it is necessary to use vibrating screen to screen materials. When the vibrating screen is used, it has a strong exciting force, and the material is also screened because of this exciting force. After using the vibrating screen for a period of time, the screen machine may have a problem of large beating. If the beating is serious, it may cause the side plate to break. Therefore, when this phenomenon is found, it should be solved immediately, but the first thing is to analyze the cause.

The reason for the large vibration of the vibrating screen

1. The damping spring has high hardness
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If the hardness of the vibration damping spring is too large, it may not be able to achieve the effect of buffering, so the vibration screen will have a problem of large beating when it is running. Because the function of the damping spring is to connect the screen base and the screen frame, and it can also play a buffering role. Therefore, the hardness of the damping spring should not be too large.

2. Bearing radial clearance problem

If the radial clearance of the vibrating screen bearing is too small or too large, the bearing system will generate large vibration, and the whole vibrating screen machine will show a large beating phenomenon. When the radial clearance is too small, it will cause high frequency vibration; when the radial clearance is too large, it will cause low frequency vibration. If the radial clearance is too large, the radial natural frequency of the bearing elastic system will be reduced, resonance will easily occur, and large low-frequency vibration will be generated.

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Details can be accessed by clicking here:https://www.hsd-industry.com/news/reasons-and-solutions-for-large-vibration-of-vibrating-screen/

As the name suggests, the valve bag packaging machine is used to produce valve bags. Generally speaking, the main operating procedures are mainly divided into two parts, namely pre-production inspection and packaging. If you are familiar with these two parts, you will be familiar with how to operate, but during operation, Some things need to be paid attention to, otherwise problems are prone to occur.

1. Check

(1) Check that the selector switch is in the manual position before power-on;

(2) After power-on, observe that the weighing instrument is at the normal zero position;

(3) Check that the pressure of the control gas source is 0.5mpa, and the pressure of the fluidizing gas source is 0.05mpa.

2. Packaging

The selector switch is switched to the automatic position, the packaging bag is clamped, and the packaging machine automatically completes the following functions: opening the feeding butterfly valve → closing the feeding butterfly valve → start of fluidized discharge → end of fluidized discharge → lift up the bag clamping cylinder → turn over the bag → Next cycle.

Manual: for manual discharge and reset;

Automatic: normal packing;

Clearance: used in the last few packs or when the material is blocked;

The meaning of the indicator light:

(1) The feeding indicator light is on, indicating that the feeding butterfly valve has been opened, and the material enters the fluidization bin of the valve bag packaging machine from the large silo.

(2) The discharge indicator light is on, indicating that the feeding butterfly valve has been closed, the fluidization valve and the fast and slow discharge valve have been opened, and the material enters the packaging bag from the fluidization bin.

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Details can be accessed by clicking here:https://www.lyhuatianm.com/products-information/valve-bag-packaging-machine-operating-procedures.html

Shelves are indispensable storage equipment in all walks of life. As a shelf user, how should you maintain the shelves and what are the ways to extend the shelf life? In response to these, the shelf manufacturer gave us a detailed explanation, let’s take a look!

Ways to extend shelf life

1. Cleaning of storage shelves

Frequent cleaning of the shelves will prolong the service life of the shelves. Use a slightly damp rag to wipe gently, as long as there is no dust on the surface. Washing the shelves with water will easily oxidize the surface of the shelves and greatly shorten the service life of the shelves.

2. Rated load of the rack

For shelves with different load capacities, pay attention to the rated layer load of the shelves, try to place the goods evenly, and do not stack heavy goods to prevent the laminates from deforming and affecting the service life.

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Details can be accessed by clicking here:https://www.etegreen.com/blog/how-to-extend-the-shelf-life/