Suggestions on energy saving and emission reduction of hotel KTV

Enshi Shandian Energy Conservation and Environmental Protection Co., Ltd. has a good plan.

Hotel energy-saving service scheme

First, the current situation of hotel electricity consumption

With the rapid development of the tertiary industry, as a typical service industry, the number of hotels around the country has increased rapidly and the competition has become increasingly fierce. Most hotels and other enterprises are facing the situation of falling profits. In order to provide a comfortable environment for guests, there are many electrical appliances in the hotel. Each room has not only multiple lighting lamps, but also TV sets, refrigerators, air conditioners, water heaters and other electrical appliances. If you turn it all on, the total power will exceed 2000 watts, which means that if a guest turns on all the appliances in the room, the power needed for one hour will exceed 2 degrees.

There is a common index in hotels and other industries in the world, that is, the electricity allocated to each room every day is 23~26 degrees. In other words, a hotel with 1000 customers consumes about 23,000 ~ 26,000 electricity every day, which is a big cost for the hotel industry. Therefore, it is necessary for hotels to control the cost of electricity, which is also the most effective means to reduce the operating costs of hotels and improve the competitiveness of the industry.

Second, the hotel electricity symptoms analysis

(1) The power loss of the power transmission and distribution system is serious.

1, the power grid utilization efficiency is low.

Due to the influence of seasonality or off-season, the occupancy rate of hotels and restaurants changes greatly, and the load rate of transformers is generally not high, sometimes almost no-load operation, resulting in large transformer loss, high voltage change rate and unnecessary waste.

2, the power supply line loss is large

Because there are many electrical equipments, many branches of power supply lines, long transmission distance and large apparent power in the hotel, there are large concentration effect loss and thermal resistance line loss, which leads to the decrease of terminal voltage and obvious reduction of electricity efficiency, which has certain security risks;

3. Poor power quality

There are many kinds of hotel electrical equipment, among which the use of power electronic devices, electrical appliances and nonlinear loads leads to serious nonlinear loads, voltage waveform distortion and poor power quality, which greatly reduces the efficiency of electricity use and affects the service life and safety of electrical equipment.

(2) The utilization rate of energy consumption of electrical equipment is not high.

1, power consumption of mixed load lines in guest rooms, including lighting, TV, pilot water heaters, etc.

A, lighting equipment is mostly old incandescent lamps, which consume a lot of energy;

B, all electrical equipment for single-phase power supply, there is a serious three-phase imbalance in the line, resulting in excessive zero-sequence current and increased power loss.

C, the working voltage is generally higher than the rated value, not only can't make the lighting, water guide, water heater and other equipment work more effectively, but it will lead to equipment heating and premature damage, waste electric energy and reduce the service life of electrical equipment.

2. Electricity consumption of air-conditioning equipment (cabinet or central air-conditioning) First of all, when designing and selecting air-conditioning systems, most hotels are expected to leave a margin of about 20%, but due to the influence of room occupancy rate, the operation is rarely complete.

When fully loaded; Secondly, the air-conditioning water circulation system works at the maximum designed fixed flow rate in actual operation, which does not change with the load change, and can not realize the reasonable dynamic automatic adjustment of the comfort temperature of the main engine, auxiliary engine and terminal, resulting in low power utilization rate and serious power waste.

(3) Residents' awareness of energy conservation is low, and the management method of electricity consumption is simple.

As a profit-making enterprise, hotels and restaurants are faced with customers who stay temporarily in other places, and there is a general consumption psychology, that is, to enjoy money, not to use it for nothing. In addition, hotels and restaurants can't monitor the occupancy and electricity consumption of guest rooms in time, because there are phenomena such as ever-burning lamps during the day, forgetting to turn off the lights when going out, televisions and other electrical equipment, which leads to a very serious waste of electricity. At the same time, most hotels only consider the management of electric energy use from the aspects of ensuring the normal operation of equipment to meet the needs of guests, and do not conduct lean management on the overall electric energy use from the perspectives of use efficiency, energy consumption standards and equipment service life, so the utilization rate of electric energy is low.

Three. Introduction of hotel power saving system

(1) Project scheme design

1), using the hotel electrical equipment integrated management system. The system is combined with the original control system, and uses automatic control, network, multimedia and other technologies to comprehensively manage the electricity consumption of buildings. Through the unified management of hotel lighting, air conditioning, fans, pumps and other equipment, the overall energy consumption is greatly reduced;

2) Power grid quality control products independently developed by LCXH are adopted to effectively protect the system, improve the power consumption quality and optimize the power consumption environment;

3) The terminal electrical equipment of the hotel adopts LCXH series power saver to save electricity.

(2), the main product introduction

The product name uses the terminal product function.

Lighting intelligent energy saver lighting lamps 1), energy saver has unique dual control ability;

2), high precision, high speed analysis ability;

3) steady-state voltage output;

4) Multifunctional monitoring.

Fan and water pump intelligent power saver fan and water pump equipment 1), intelligent function module, aiming at the working characteristics of fan and water pump, control the output power of motor to match the actual load demand accurately.

2) The flexible ramp function generator can smoothly realize the soft start of the motor. In the process of operation, the motor can be stepless adjusted, so that the motor can always run in an economical and suitable state according to the production process requirements, effectively reducing the wear of mechanical parts such as bearings, reducing the failure rate and prolonging the service life.

3) The protection function is perfect. In case of short circuit, overcurrent, overload and overvoltage faults, the system can be protected immediately, and it is equipped with a double-loop conversion circuit for mains operation/power saving operation to ensure that the system is fault-free and does not affect production.

4) Special functions of fans and pumps: multi-pump switching, bypass function, manual/automatic switching, water shortage detection and automatic energy-saving operation.

5) The intelligent economizer of fan and water pump has built-in computer communication expansion interface and adopts RS-485 serial communication protocol.

General intelligent electricity-saving elevator and other electrical equipment 1), reducing the running current of the equipment.

2), save redundant power consumption

3), suppress the harmonic surge

4), remote monitoring

Street lamps, street lamps, landscape lamps and other lamps 1), the voltage output is stable.

2) stepless voltage regulation

3) Friendly operation interface and simple operation.

4), automatic bypass function

5) Wireless communication and monitoring functions

6) Simple installation and convenient maintenance.

The harmonic pollution of active power filter is serious.

Line or equipment 1), which can filter out 2-60 times harmonic current at the same time, inject current dynamically, which is not affected by system imbalance, can automatically eliminate system resonance, and has automatic current limiting function without overload;

2) Real-time monitoring, display and dynamic compensation of changing harmonics have high controllability and quick response.

3) Balancing three phases, stabilizing voltage and improving power factor can automatically eliminate system resonance.

4), can only filter, or filter and compensate reactive power at the same time, the power factor can reach more than 0.95;

5), parallel installation mode, simple and convenient installation, easy to expand, up to parallel 10.

Four, the hotel hotel system energy-saving transformation process is as follows

"Honesty-based, Serving the Society" chooses Longchuang Xinheng, and we will serve our customers with excellent technology, high-quality products, rich professional experience and perfect after-sales support.

1. Investigate the customer's power grid equipment, know the customer's electricity consumption and equipment operation in advance, and at the same time, according to the work needs, go to the site to actually investigate the customer's equipment configuration, load, loss, production technology and so on.

2. The scheme design is based on the field data analysis, and the proposed energy-saving implementation scheme is submitted to the customer, and the detailed investment benefit analysis is carried out for the customer.

3. Sign a contract to communicate the contents of the power-saving implementation plan with customers and sign a power-saving contract.

4. Product production and construction preparation: tailor-made power-saving products according to the contract and the power-saving implementation plan, and submit the installation plan, equipment entry, material preparation, tool preparation and personnel arrangement to customers.

5. On-site installation, debugging, commissioning and acceptance of the project.

6. Tracking services mainly include regular return visits and technical consultation, equipment operation inspection and equipment maintenance.

Five, the hotel system transformation case benefit analysis

(a), the project name

Energy-saving renovation project of XX Hotel

(2), the project situation

Electricity consumption of XX hotel before energy-saving transformation;

Power supply is provided by two 1250KVA transformers, one for use and one for standby. The average electricity fee is 1.2 yuan/kwh, and the annual electricity fee is 3.6 million yuan. Lighting equipment mainly includes energy-saving lamps, fluorescent lamps, incandescent lamps and landscape lamps. , the average load capacity is 500KVA, and the average working time per day is 12 hours. The main power part is the central air conditioning system, with 5 cooling pumps of 75KW, 3 for use and 2 for standby, which are started for 6 months throughout the year, running for 12 hours every day, and 3 cooling pumps of 90KW, 2 for use 1 standby, which are started throughout the year and running for 16 hours every day. According to the investigation of the structure and characteristics of lighting and power electrical system in XX Hotel, and the collection and analysis of field data, this paper puts forward a comprehensive energy-saving transformation of the hotel electrical system in order to achieve the purpose of energy saving and efficiency improvement.

1. Power-saving engineer installed 7 lighting smart power savers for the lighting equipment of XX Hotel; 5 fans and water pumps are installed in the central air conditioning part; Landscape lamp installation 1 street lamp economizer; Install two active power filters for the transformer;

2. Connect all the above devices and establish a monitoring center.

3. Through GSM/GPRS/INTERNET, the equipment can be remotely controlled to realize three remote controls.

Configure our company's energy saver, formulate system scheme, and "tailor-made" according to local conditions to save energy to the maximum extent:

Cost of renovation project (ten thousand yuan) Electricity fee before renovation (ten thousand yuan) Comprehensive electricity saving rate (%) Annual electricity saving (ten thousand yuan) Payback period (years)

164 380 22% 82.2 2-3 years

(3) Economic benefits

Remarks on time-saving electricity fee (unit: 10,000 yuan)

1 year, 82.2 years, the investment in energy-saving equipment will be fully recovered in less than three years.

Second year 82.2

Third year 82.2

4-65438+990.4 Direct economic benefits brought to your company after investment recovery in 2005.