The climate of the north-west of Russia is characterized by sharp weather fluctuations. Therefore, during the operation of the heat supply system, including a boiler room, a heating main and directly subscribers, “perepopes” occur – the temperature of the incoming coolant significantly exceeds the parameters that the weather dictates.
Naturally, huge boiler houses are not able to change the parameters of the coolant, so the subscriber is forced to acquire excessive heat. Weather regulation systems can change the situation.
They include shut-off-regulating reinforcement and controller, which regulates the indications of control temperature sensors. One of them measures the temperature of the outdoor air. With a change in the temperature of the outer air and temperature in the control room, the controller selects the desired combination of the provisions of the locking and regulating reinforcement, turns on or disconnects the pump and, thereby, provides a comfortable temperature in the rooms, increasing or decreasing the supply of heat to the building.
After installing the automatic weather regulation system, according to statistics, heat bills are reduced by 15-18%.
Thermal energy accounting
In the fall of 1996. In the pavilion “LenExpo” on pr. Enlightenment, 80/2 (area 3600 m2) The washer unit of accounting at the first thermal input was replaced by a modern computerized unit of thermal energy accounting (UU) based on MT 200 DS equipment. Its installation cost 32 thousand. rub. (in new prices).
This equipment allows you to control the thermophysical parameters of the heating system for active control of the heat consumption process, .
Analysis of effectiveness for the first 5 months of implementing UU (the entire heating season) revealed savings in 505.5 Gcal or 49.7%, t. e. energy consumption decreased by 2 times, compared with the previous puck unit.
Thus, the computerized component unit on only one thermal input allowed to reduce the heat energy consumption and reduce the cost of heating in the pavilion by 130 thousand. rub. per year.
Then the 2nd and 3rd inputs were equipped with such equipment.
After entering the register-registry and the implementation of remote control of parameters, the saving on the payment of heat consumption amounted to 133,300 rubles. per year.
In the following years, with an increase in the cost of thermal energy, the volume of saved funds for its payment increased. As a result, the total savings throughout the complex today are 370 thousand. rub. per year.
Similar results can be achieved at any object of urban economy.
Two electricity tariffs
Competent use of electricity can save consumer a lot of money to the consumer. But the savings by reducing the use of electrical appliances and lighting will cause certain inconvenience. Although here the prices for stabilizers of the voltage are the lowest, and they have very high quality.
5-96 �f . � | �r | The object was the bridge over the Volga in Saratov, where a 40 thousand coating. m.sq. was made of cast asphalt.
In 2001, cast asphalt laid the coating of the divorce parts of the Alexander Nevsky bridge. It should also be noted that domestic materials (crushed stone, bitumen) were used to prepare such asphalts).
For this type of bridge coating in 2000, technical conditions were developed. For each technological layer there are certificates of conformity.
In St. Petersburg, Lemminkyanen company launched a line for the production of cast asphalt.
The Lemmiminkyanen company in St. Petersburg provides services for the production, supply, laying of bridge coatings, gives recommendations and conducts technical calculations of structures, and also has a special technique for laying cast asphalt and experienced personnel.
The material aroused great interest in the Arkhangelsk region, Krasnoyarsk Territory. In St. Petersburg and the region there is experience of successful use in Kolpino and on the Malokhtinsky bridge.
Prometek LLC is an exclusive distributor of the Canadian company The GH Company, which produces cold asphalt. We offer road workers to experience Excel material, make sure of its effectiveness and give a review.
If the material is widely used, its production can be organized in Russia, and the price will become comparable to the price of ordinary asphalt.
Unfortunately, the promotion of domestic materials (and imported novelties) on the construction market passes hard. Firms out of habit continue to work with familiar imported materials.
In the conditions of a market economy, in recent years, domestic developments have appeared, which are not inferior, and often surpass foreign analogues in quality. And we should not forget that their price is much lower, especially, taking into account the support of imports. In addition, repair issues are much easier to resolve.
It should be noted that there are enterprises that are not afraid to introduce new domestic production. These are companies such as Pilon (director of m. D. Bliadze), Stroymost (Director A. P. Shevchenko), “VAD” (director in. IN. Abramov), “GSK” (director in. D. Kudrin).
Until recently, invaluable assistance was provided by the deputy chief of the road-city department for the bridge of the bridge. F. Progalsky. After his retirement, this post is held by n. IN. Kondrashov, he also attentive to new domestic developments.
Prometek LLC is treating design organizations to be more attentive to Russian materials, technologies, designs, and lay them in their projects. Really, they are worth it.