Water art landscape design points?

Water landscape design points is very important to understand the design points in order to better develop the design program, each detail of the processing is very critical, to focus on combining the practical. Zhongda consulting on the water landscape design points and we explain.

In recent years, the application of water features technology is developing rapidly, many of the technologies have been applied in practice, water landscape has gradually formed a relatively independent branch of the project, but in the practice of engineering design and systematic guidance theory is not yet perfect.

Water art landscape can be summarized into two categories: one is the use of terrain or soil structure, modeled on natural water landscape. Such as streams, waterfalls, artificial lakes, fish ponds, springs, waterfalls, etc., these traditional gardens in China have more applications.

The second is to rely entirely on fountain equipment landscape. A variety of fountains such as musical fountains, program-controlled fountains, dryland fountains, fog fountains and so on. This type of water features are widely used in the field of construction only in recent years, but its rapid development.

A variety of water feature projects, generally composed of the following aspects: civil pool body, piping valve system, power pump system, lighting system.

Larger bodies of water or water quality viewing requirements of high places, there must also be water quality treatment system.

A good water feature design, is bound to be in the excellent artistic effect on the basis of the design, the above professional system is a perfect combination of the product of the design points are as follows:

1. Modeling design and selection of nozzles to carry out the overall design of the water feature should be the first to analyze the basic requirements of the environmental atmosphere, and then analyze a variety of water features form, the breakdown of different combinations of programs, drawings of the effect, and select the best from the.

Water features form of static water, running water, falling water, water jets and several other forms of these forms can be derived from colorful changes in the form, especially due to the development of spray nozzle technology, water spray gestures are more varied. With these materials, and then through the professionals of the artistic design, that can draw a beautiful water art landscape.

In addition, different forms of landscape suitable for different applications. For example, the musical fountain is generally applicable to the square and other places of assembly. It is to music, water shape, the organic combination of lighting to give people visual and auditory beauty; at the same time the fountain and the square and into one, forming part of the building. The residential area of the building is more suitable for the design of the stream surrounded by the atmosphere to reflect the quiet and relaxed, giving people a calm, relaxed visual enjoyment, thus creating a pleasant life rest space.

The choice of nozzle in the fountain design is very important. In the water features in a wide range of various types of nozzles to generate different forms of water shape. At present, the domestic production of the nozzle in the quality of the great differences, compared with similar products abroad, where the biggest problem is not only the appearance, but exists in the quality of the design. For example, a manufacturer to provide the use of nozzle parameters, and the actual operation of the value is far from. Water landscape project on the nozzle's biggest requirement is the water shape is beautiful, smooth and stable jet. But most of the domestic product jet is not dispersion is strong hair shaving horizontal hair; even with a batch of products, the quality of its water shape is extremely unstable, in addition to the domestic nozzle due to small-scale production of machining precision is insufficient outside the reason, the fundamental problem is that the design of water landscape nozzle design in the design of the design theory and design basis is not perfect. Therefore, we recommend that the National Professional Institute to organize the relevant experts as soon as possible to develop a practical design specifications and standards, so that China's water fountain industry more standardized further development.

In actual use, attention should be paid to the characteristics of various nozzles. General water film nozzle wind resistance is poor, should not be used in outdoor windy occasions; and shooting suction nozzle such as cedar or fountain on the water level change is more sensitive, use not only to pay attention to the water level changes, but also in the pool body design with corresponding measures to inhibit the waves. Such as setting a longer overflow weir or underwater wave barrier wall. However, also conducive to the wave *** vibration of this hydraulic phenomenon built into the pulsating fountain, by the regular wave surge to make the water jet regular jumps, high and low changes. At present there are also many high-tech fountain equipment, can also be used in the water art landscape. Bright fountain and jumping fountain jet is very smooth and stable, the appearance of the same as a glass rod, you can accurately fall in the recipient hole; jumping fountain can be computer-controlled, generating water jets can change the length of the water; jumping ball fountain can be sprayed out of the size of the controllable smooth water ball. They are very interesting and memorable. Large musical fountain used in a variety of high-tech nozzle and underwater transport type musical fountain used in a variety of high-tech nozzle and underwater movement machinery and control components, is also a wide variety of options.

2. Civil engineering pool design is generally common landscape pool depth of 0.6-0.8m, the reason for this practice is to ensure that the suction mouth of the submerged depth, and the bottom of the pool for a whole plane, but also to facilitate the installation of pool piping equipment construction and maintenance. Only in the shallow butterfly-shaped pool design for the embodiment of the characteristics of the water, before the use of suction pits or pump pits. 0.6-0.8m depth of water in fact exists a greater insecurity. Similarly, in the children's pool design, the general depth of 0.3-0.6m or so, once the young children fall into the landscape pool will be very dangerous. We believe that the more appropriate depth of water to 0.2-0.4m is appropriate. Another advantage of doing so is that when the turbidity of the water is slightly higher, giving the impression that the bottom is still clear. The top of the pool wall should be available for visitors to sit down to rest, the top of the pool wall from the ground height is generally 0.30-0.45m, in addition to artificial lakes, the water surface to higher than the ground is appropriate. If the water level is low, there will be like a deep pool feeling. From the perspective of pro-water, the more appropriate scale is the water surface from the top of the pool wall for 0.2m is more reasonable. Submersible pump pit or pump suction port is only partially deepened to meet the suction conditions, the pump pit surface can be set up grate, which can be masked equipment can also be used as a grille to prevent the inhalation of large particles of impurities. From the point of view of aesthetics, the surface of the pool should minimize the exposed piping equipment, especially the vertical set of the overflow pipe mouth, it will be in the water surface when the water rises to produce a large drainage suction sound.

3. Piping material selection of earlier projects generally use hot-dip galvanized steel pipe, but there are many shortcomings.

Steel pipe after a period of time, surface corrosion, affecting the aesthetic, and the service life of the concrete structure is shorter than more than double. Better pipe is copper and stainless steel pipe, but the cost is higher. uPVC pipe can avoid corrosion, but there are poor weather resistance, and direct light accelerated discoloration aging and other issues. If it is buried under the pool floor (when used in the north, pay attention to the layout of the slope and set up at the low end of the air release valve, the winter need to be drained to prevent freezing), and in the exposed part of the copper or stainless steel pipe, should be a more reasonable and economical solution. According to manufacturers, in the absence of direct sunlight conditions, the service life of UPVC pipe up to fifty years.

4. Pump form selection of many water feature projects to save floor space or reduce the cost of the project, the use of submersible pumps without pumping station for hydraulic lifting equipment. However, at present, our country (including some foreign submersible pumps) are much less reliable than dry centrifugal pumps. Damage to individual submersible pumps as a result of the consequences of damage, a water feature often produces local defects, modeling is incomplete; Secondly, once the pump insulation damage will lead to the water body electrified, there have been a number of landscape submersible pumps due to leakage of electricity caused by injuries and deaths. If the use of centrifugal pumps, so that the length of the pipeline increases, the need to set up the pump room, so that the cost of the water landscape increased by many. Therefore, the development of high-reliability submersible pumps, is to reduce the cost of water features a major key to the project. In terms of maintenance conditions, centrifugal pumps also have the advantages of submersible pumps can not be compared. If you want to maintain long-term reliable operation of water features, we believe that centrifugal pumps should be preferred. (In the use of centrifugal pumps must be set up leakage protection switch, while the pump should be set up reliable repeated grounding, while the pool body reinforcement network should be equipotential grounding, strict compliance with building electrical and construction code design.

5. Lighting and electrical design underwater lighting fixtures are commonly used in water features, especially in the fountain is widely used. Currently more domestic use is the plastic bracket Philips underwater lights, it has more problems. Such as poor structural strength, strong fluctuations in the fountain pool water or by other external forces are very easy to damage, lamps and lanterns sealing design reliability is poor, plastic in the sunlight aging rapidly. But the lamps and lanterns damaged or sealing failure will be leakage of electricity to make the water body charged, become the biggest hidden danger of the water features safety. In particular, the current general water features fountain design are handled by professional fountain manufacturers, coupled with the national norms in the water features are not very sound, safety precautions against many loopholes. Therefore, the national design and construction specifications in the water feature electricity safety should be a detailed study, to develop a rigorous and feasible specifications to ensure personal safety. I think, in no isolation, easy to approach or participation in a strong water features, must be in accordance with the swimming pool electricity design specifications using 12-volt safety voltage, the use of lamps should be completely shielded in the higher strength of the lamp shell, the lamp shell should be reliably connected to the pool, the lamps and lanterns set up position should be considered to use the pipeline nozzle and other objects for its protection. If the transmission distance is far away, should be taken to improve the output voltage to compensate for the loss of cable voltage drop. Transformer high and low voltage winding coil insulation should be ensured between the best primary and secondary separation, transformer core should also be grounded. When the lamps and lanterns installed power is very large, can be considered in the water features next to the nearby transformer. For special needs must use high voltage lamps such as metal halide lamps, must also use isolation transformer, in any case must use leakage protection switch to ensure personal safety.

6. Water level control for water features water level control is sometimes extremely important. For example, the use of cedar nozzles, fountains and other jet suction nozzles, are very sensitive to changes in water level. Water level slightly lift, fountain height and water shape will produce great changes. For this reason, there should be a reliable automatic water replenishment device and overflow pipeline, the better practice is to use independent water level balance pool and hydraulic water level control valve, and the use of sufficient diameter of the interconnecting pipe and water features pool connection. If placed outdoors, the water level balance well should be camouflaged, such as the shape made of large tree roots or rocky mountains, etc., the northern region should also give full consideration to the problem of frost protection. Overflow piping should be set in the water level balance well, because the balance well is generally added to the top cover, can also shield the overflow and replenishment noise.

7. Water and water quality control of the water features used in most of the water for the tap, a few cleaner natural water bodies or groundwater as a water source. China is a water-scarce countries, most of the urban water stress, how to save water resources, but also to maintain the quality of landscape water, is increasingly becoming an important issue. The more common tendency in the industry is to use water reprocessing as a water landscape water source. I thought that this approach should be vigorously pursued, but should be technically further research to improve the implementation of the process.

Landscape water quality first requires clear and colorless without odor. Water landscape if there is no good water quality as a guarantee, can not talk about the aesthetics. For this reason, in the summer sunshine in normal areas, generally 7-15 days need to change the water to clean up once. The reason for this is that the dust drift down to cause turbidity, more importantly, because of algae growth so that the turbidity and color impact on the perception, to the extent that the senses are difficult to accept the degree.

Research has shown that when the total phosphorus concentration in the water exceeds 0.015mg/l, nitrogen concentration exceeds 0.3mg/l, algae will be reproduced in large quantities, thus becoming the primary cause of deterioration of water quality. Inhibition of algae is generally effective method of copper sulfate added to the water, but the effect is not significant. On the fundamental solution to the problem, is still how to remove N and P. I believe that the author to high-quality miscellaneous drainage water as a source of water, after a relatively perfect water treatment, should be added to the treatment process to reduce the concentration of N and P in the water, can be a better solution to this problem.

For controlling algae, the focus can be on removing phosphorus from the water. Methods for removing P include biological methods, oxidation methods, chemical precipitation methods and physical membrane treatment methods. The one with the lowest investment and operating costs is the biological method, but building a biological treatment structure next to a water feature is generally not possible. This is because biological treatment emits odors and is also difficult to manage. The chemical precipitation method is more realistic. The principle of this method is to add metal ions to the water, so that they can form a precipitate with phosphate to remove phosphorus. The more commonly used agents are lime, alum, polyaluminum and ferrous sulfate. Because iron salt will increase the chromaticity of the water, should be better than aluminum salt. Theoretically, every 100 mol of aluminum salt can precipitate 1 mol of phosphate, and microflocs are generated through the flocculation of aluminum salts, and then the flocs are filtered out by filtration. It is possible to combine the coagulation process with the regular water circulation filtration system for water landscapes, which mainly removes phosphorus after the water change, and mainly removes turbidity when the phosphorus concentration is reduced. This can greatly extend the use of the water body, thus achieving the purpose of water conservation.

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