Heat pump distillation process
The secondary steam is continuously compressed and circulates as a heating source
The low-temperature gas at the outlet is compressed by the compressor without condensation, increasing the temperature and pressure of the gas, increasing the enthalpy value of the gas, and then heating the material as the heat source of the reboiler, making full use of the latent heat of the gas, reducing the amount of generated steam and circulating water, and reducing the operating cost。
Indirect steam compression
Overhead steam compression type
Based on your existing heat pump distillation equipment and working conditions,
Provide MVR heat pump energy saving transformation solutions to maximize its energy saving effect;
According to different working conditions and technical requirements in different fields,
Different types of steam compressors with different pressure ratios are customized for specific environments。
01
Few domestic evaporator manufacturers have mastered the technology of steam power equipment
02
We have independent research and development rights in MVR core technology
03
Different types and models of compressors can be flexibly applied to different application scenarios。
More than 30,000 hours of operating life
Through high-strength materials, precision processing technology, and strict testing methods, the service life of the impeller is guaranteed to reach 30,000 hours。
High strength titanium alloy TC4 carefully forged
The impeller material is forged from high strength, wear resistance and corrosion resistance titanium alloy material, and is finely milled by a five-axis linkage milling machine。
Excellent dynamic balancing performance and high standard of strength testing
Pass no lower than G1.Level 0 double-sided dynamic balancing, while not less than 15% of the working speed of the overspeed test to check its strength。
Pass strict factory inspection
After the processing of each impeller is completed, the flaw detection and three-dimensional coordinate and other strict factory testing, to ensure that the product delivered to you is in line with the quality requirements。
Comparison of energy consumption between heat pump distillation and traditional distillation column
Jingmen a new material Co., LTD 2500m³/d ammonia nitrogen wastewater resource treatment system heat pump renovation project
The existing deammoniating tower is transformed into a heat pump, and the ammoniating steam at the top of the tower is transferred into the falling film evaporator for heat exchange with water. After heat exchange, the vaporized low-temperature and low-pressure water steam enters the compressor, and becomes high-temperature and high-pressure gas after compression into the reboiler coupled with the tower reactor for heat exchange with the tower reactor waste water, thus saving the industrial steam consumption。
| Table 1 Parameters of ammonia nitrogen wastewater to be treated | ||||
|---|---|---|---|---|
| 序号 | 项目 | 单位 | 数值 | 备注 |
| 1 | 水量 | m³/d | 2500 | |
| 2 | pH | dimensionless | 12~12.8 | |
| 3 | NH3 | g/L | 5~10 | In 6 |
| 4 | Na2SO4 | g/L | 100~150 | |
| 5 | Ni, Co, Mn | mg/L | 100~200 | In 100 |
| 6 | 温度 | ℃ | 20~60 | |
| 7 | Cl- | mg/L | ＜20 | |
| Table 2 Exit parameters of the top tower reactor of the deammonia tower | ||||
|---|---|---|---|---|
| On demand | 项目 | 单位 | 数值 | 备注 |
| Ammonia vapor at tower top outlet | 流量 | t/h | 12.56 | Inlet evaporator |
| 组成 | 氨（20%）、水 | |||
| 温度 | ℃ | 95±5 | ||
| 压力 | kPa | 101 | ||
| Tower kettle export high temperature water | 流量 | t/h | 107 | reboiler |
| 组成 | Water, sodium sulfate | |||
| 温度 | ℃ | 105±5 | ||
| 压力 | kPa | 101 | ||
|
Comparison of energy consumption Energy consumption comparison |
|||
|---|---|---|---|
| Comprehensive field application, the theoretical calculation by Aspen Plus, a large-scale chemical simulation software, is as follows | |||
| Utility condition | Circulating water | 0.2 | 元/吨 |
| 电 | 0.7 | kW.h | |
| 蒸汽 | 250 | 元/吨 | |
| One-year continuous operation | 小时 | 7920 | 330天 |
| Feed 105m³/h ammonia-containing wastewater, operating cost comparison table | |||||
|---|---|---|---|---|---|
| 设备 | Utilities and electricity | Conventional rectification | Heat pump distillation | ||
| 能耗 | Yuan per hour | 能耗 | Yuan per hour | ||
| reboiler | 蒸汽 | 9 t/h | 2250 | 4 t/h | 1000 |
| condenser | Circulating water | 904 t/h | 180.8 | 600 t/h | 120 |
| 泵 | 电机 | 20 kw/h | 14 | 90 t/h | 63 |
| compressor | 电机 | 0 kw/h | 0 | 670 t/h | 469 |
| 合计 | 2445元 | 1652元 | |||
| 1 ton of wastewater per treatment | 23.3元 | 15.7元 | |||
| Annual operating cost | 1936万元 | 1308万元 | |||
| Annual savings | 628万元 | ||||
| Through the comparison of the above table, it can be seen that the operating cost of heat pump rectification is 6.28 million yuan a year. The operating cost is calculated according to the parameters in Table 1 and Table 2 above. Changes in the actual operating data will affect the operating cost。 | |||||
The high efficiency rotary distillation bed is a new type of high efficiency distillation equipment, which is a substitute for the traditional distillation column. It is mainly used in the recovery of organic solvents and the separation and purification of products。Its structure consists mainly of circles
Small size | occupies small area | easy installation | ...
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