CN204513326U - A kind of low pressure mechanical steam recompression device - Google Patents
A kind of low pressure mechanical steam recompression device Download PDFInfo
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- CN204513326U CN204513326U CN201420673751.5U CN201420673751U CN204513326U CN 204513326 U CN204513326 U CN 204513326U CN 201420673751 U CN201420673751 U CN 201420673751U CN 204513326 U CN204513326 U CN 204513326U
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Abstract
The utility model provides a kind of low pressure mechanical steam recompression device, relate in evaporation process the recycling field of the condensation latent heat producing indirect steam, this kind of low pressure mechanical steam recompression device comprises expansion drum, and with the top of expansion drum successively by air blast that pipeline is connected, temperature sensor, pressure sensor, Hand-operated butterfly valve, flowmeter, steam jet ejector, the right side of expansion drum is connected with one end of electric control valve by pipeline, the other end of electric control valve is connected on the connecting line between described pressure sensor and Hand-operated butterfly valve by pipeline, the left side of expansion drum is provided with hot water inlet's pipeline, the bottom of expansion drum is provided with waste line, waste line is provided with water pump.The utility model simple structure, start easy, simple to operate, stable, maintenance is few, it is little to take up an area space, in addition, the utility model only needs to consume a small amount of electric energy, and just can produce a large amount of steam, efficiency is very high.
Description
Technical field
The utility model is the recycling field about the condensation latent heat producing indirect steam in evaporation process, particularly a kind of low pressure mechanical steam recompression device.
Background technology
Since the industrial revolution, industrial technology develops at a terrific speed, and all types of industries is produced the demand of the energy very large, and production cost also increases severely thereupon, and the supply of the energy has also become the bottleneck of current a lot of industry.During mechanical steam recompression evaporation technique late nineteen nineties in last century a kind of novel energy-conserving evaporation technique of just developing.Adopt low temperature and low-pressure steam steaming technique and clean energy resource, i.e. electric energy, produce steam, the moisture in medium is separated.Because electric energy is clean energy resource, advocate today of energy-saving and emission-reduction in Chinese governments at all levels energetically, the application of MVR technology has the realistic meaning of particular importance.
Because the application of MVR is very wide, can be applicable in all types of industries productions such as food, pharmacy, desalinization, sewage disposal.The place of traditional multi-effect evaporator application, MVR evaporimeter also can replace completely.MVR technology, compared with traditional evaporation technique, not only has great energy-conserving and environment-protective advantage, and reduces operation cost.Along with Environmental protection and the attention of energy-saving and emission-reduction and policy appearance, MVR technology will replace traditional evaporation technique.
But MVR technology is only applied in each industrial link at present, and the steam after compressor compression is all high steam, and be blank at heating field, if the wastewater collection in industrial processes is got up, utilize MVR technology to produce low-pressure steam for heat supply, have very large energy-saving benefit.
Utility model content
Main purpose of the present utility model is to overcome deficiency of the prior art, provide a kind of can by the Recovery of the hot water of middle high temperature, produce the steam recompression device of steam by machine steam recompression technology.For solving the problems of the technologies described above, solution of the present utility model is:
A kind of low pressure mechanical steam recompression device is provided, for utilizing high temperature water generates steam recycling in 80 ~ 90 DEG C, described low pressure mechanical steam recompression device comprises expansion drum, air blast, Hand-operated butterfly valve, flowmeter, steam jet ejector, electric control valve, water pump, temperature sensor, pressure sensor;
The top of described expansion drum is connected by pipeline with air blast, and air blast, temperature sensor, pressure sensor, Hand-operated butterfly valve, flowmeter, steam jet ejector are connected by pipeline more successively, and steam jet ejector is used for steam to send in water to be heated; The right side of expansion drum is connected with one end of electric control valve by pipeline, the other end of electric control valve is connected on the connecting line between described pressure sensor and Hand-operated butterfly valve by pipeline, expansion drum utilizes right side pipeline concurrent heating, and by regulating the temperature in the aperture control expansion tube of electric control valve; The left side of expansion drum is provided with hot water inlet's pipeline, for high-temperature water in feeding in expansion drum; The bottom of expansion drum is provided with waste line, for discharging the water at low temperature of 40 ~ 50 DEG C in expansion drum, waste line is provided with water pump.
As further improvement, the installation site of described flowmeter is distance Hand-operated butterfly valve 10 times of caliber places.
As further improvement, described air blast adopts cfentrifugal blower.
As further improvement, described expansion drum adopts airtight diaphragm type expansion drum.
As further improvement, described expansion drum is provided with pressure sensor and temperature sensor, and this temperature sensor is connected with electric control valve by holding wire.
As further improvement, described hot water inlet's pipeline is provided with temperature sensor.
As further improvement, described low pressure mechanical steam recompression device also comprises middle high-temperature water tank, and middle high-temperature water tank is used for high-temperature water in storage, and middle high-temperature water tank is connected with expansion drum by hot water inlet's pipeline.
As further improvement, described low pressure mechanical steam recompression device also comprises overheated water tank, and steam jet ejector docks with overheated water tank, and the steam for being ejected by steam jet ejector is sent in overheated water tank; Overheated water tank is also provided with temperature sensor.
As further improvement, described low pressure mechanical steam recompression device also comprises waste water tank, the water at low temperature that waste water tank is discharged for loading expansion drum, and waste water tank is connected with expansion drum by waste line; Waste water tank is also provided with temperature sensor.
Compared with prior art, the beneficial effects of the utility model are:
The utility model simple structure, start easy, simple to operate, stable, maintenance is few, it is little to take up an area space, in addition, the utility model only needs to consume a small amount of electric energy, and just can produce a large amount of steam, efficiency is very high.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model.
Reference numeral in figure is: high-temperature water tank in 1; 2 expansion drums; 3 air blasts; 4 temperature sensors; 5 pressure sensors; 6 Hand-operated butterfly valves; 7 flowmeters; 8 steam jet ejectors; 9 overheated water tanks; 10 electric control valves; 11 waste water tanks; 12 water pumps.
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, the utility model is described in further detail:
As shown in Figure 1, low pressure mechanical steam recompression device comprises expansion drum 2, air blast 3, Hand-operated butterfly valve 6, flowmeter 7, steam jet ejector 8, electric control valve 10, water pump 12, temperature sensor, pressure sensor, middle high-temperature water tank 1, overheated water tank 9, waste water tank 11, expansion drum 2 is also provided with temperature sensor and pressure sensor, waste water tank 11, overheated water tank 9 are all separately installed with temperature sensor; Wherein, the installation site of flowmeter 7 is distance Hand-operated butterfly valve 60 times of caliber places.In the utility model, air blast 3 adopts cfentrifugal blower, has compression ratio low, the feature that flow is large; Expansion drum 2 adopts airtight diaphragm type expansion drum.
The top of expansion drum 2 is connected with air blast 3, air blast 3, temperature sensor 4, pressure sensor 5, Hand-operated butterfly valve 6, flowmeter 7, steam jet ejector 8 are connected by pipeline more successively, steam jet ejector 8 docks with overheated water tank 9, and the steam ejected is sent in water to be heated in overheated water tank 9 by steam jet ejector 8.
The right side of expansion drum 2 is connected by pipeline one end with electric control valve 10, the other end of electric control valve 10 is connected on the connecting line between described pressure sensor 5 and Hand-operated butterfly valve 6 by pipeline, expansion drum 2 utilizes pipeline concurrent heating on the right side of this, and the temperature controlled by adjustment electric control valve 10 in expansion drum 2, namely by regulating aperture to make to keep certain temperature in expansion drum 2, the temperature sensor that expansion drum 2 is installed also is connected with electric control valve 10 by holding wire.
The left side of expansion drum 2 is provided with hot water inlet's pipeline, and middle high-temperature water tank 1 is connected with expansion drum 2 by hot water inlet's pipeline; Pending middle high-temperature water is stored, high-temperature water in being sent in expansion drum 2 by hot water inlet's pipeline in middle high-temperature water tank 1.Hot water inlet's pipeline is provided with temperature sensor.
The bottom of expansion drum 2 is provided with waste line, and waste water tank 11 is connected with expansion drum 2 by waste line, waste line is provided with water pump 12, and water at low temperature is entered waste water tank 11 by water pump 12 by expansion drum 2.
The utility model can produce the low-pressure steam of 0.4bar ~ 0.7bar, superheated water more than 100 DEG C can be produced and for the production of.
During work, the water of pending high-temperature is had in middle high-temperature water tank 1, centrifugal blower 3 is had at the top of expansion drum 2, bled by the compression of air blast 3 and make to form negative pressure in expansion drum 2, middle high-temperature water is sent into after in expansion drum 2 because pressure reduces, vapo(u)rous temperature is declined and produces steam therefrom, steam compresses rear temperature and pressure by air blast 3 again and rises all to some extent, such as, water temperature in expansion drum 2 is 90 DEG C, the steam of about 95 DEG C can be obtained after air blast 3 compression is bled, this steam sends into water to be heated by steam jet ejector 8, finally can obtain superheated water for the production of needs.A road is also had on the right side of expansion drum 2, this pipeline has electric control valve 10, the effect of this pipeline is exactly for concurrent heating, namely when the temperature in expansion drum 2 do not reach require time, can send back in expansion drum 2 by a part of steam, the control objectives of electric control valve 10 is exactly the temperature in expansion drum 2.When the water of expansion drum 2 li is evaporated to a certain degree, water temperature can decline to some extent, just can not produce steam again, now just needs the water at low temperature of the inside to be discharged by water pump 12.
Because centrifugal blower 3 has the advantages that compression ratio is low, flow is large, steam enters impeller eye vertically, flow out from radial direction under the influence of centrifugal force, the steam obtained is general all between 0.4bar ~ 0.7bar, this low-pressure steam is in some industry, such as food service industry, has important purposes.
Finally, it should be noted that above what enumerate is only specific embodiment of the utility model.Obviously, the utility model is not limited to above embodiment, can also have a lot of distortion.All distortion that those of ordinary skill in the art can directly derive or associate from content disclosed in the utility model, all should think protection domain of the present utility model.
Claims (9)
1. a low pressure mechanical steam recompression device, for utilizing high temperature water generates steam recycling in 80 ~ 90 DEG C, it is characterized in that, described low pressure mechanical steam recompression device comprises expansion drum, air blast, Hand-operated butterfly valve, flowmeter, steam jet ejector, electric control valve, water pump, temperature sensor, pressure sensor;
The top of described expansion drum is connected by pipeline with air blast, and air blast, temperature sensor, pressure sensor, Hand-operated butterfly valve, flowmeter, steam jet ejector are connected by pipeline more successively, and steam jet ejector is used for steam to send in water to be heated; The right side of expansion drum is connected with one end of electric control valve by pipeline, the other end of electric control valve is connected on the connecting line between described pressure sensor and Hand-operated butterfly valve by pipeline, expansion drum utilizes right side pipeline concurrent heating, and by regulating the temperature in the aperture control expansion tube of electric control valve; The left side of expansion drum is provided with hot water inlet's pipeline, for high-temperature water in feeding in expansion drum; The bottom of expansion drum is provided with waste line, for discharging the water at low temperature of 40 ~ 50 DEG C in expansion drum, waste line is provided with water pump.
2. a kind of low pressure mechanical steam recompression device according to claim 1, is characterized in that, the installation site of described flowmeter is distance Hand-operated butterfly valve 10 times of caliber places.
3. a kind of low pressure mechanical steam recompression device according to claim 1, is characterized in that, described air blast adopts cfentrifugal blower.
4. a kind of low pressure mechanical steam recompression device according to claim 1, is characterized in that, described expansion drum adopts airtight diaphragm type expansion drum.
5. a kind of low pressure mechanical steam recompression device according to claim 1, it is characterized in that, described expansion drum is provided with pressure sensor and temperature sensor, and this temperature sensor is connected with electric control valve by holding wire.
6. a kind of low pressure mechanical steam recompression device according to claim 1, is characterized in that, described hot water inlet's pipeline is provided with temperature sensor.
7. a kind of low pressure mechanical steam recompression device according to claim 1 to 6 any one, it is characterized in that, described low pressure mechanical steam recompression device also comprises middle high-temperature water tank, middle high-temperature water tank is used for high-temperature water in storage, and middle high-temperature water tank is connected with expansion drum by hot water inlet's pipeline.
8. a kind of low pressure mechanical steam recompression device according to claim 1 to 6 any one, it is characterized in that, described low pressure mechanical steam recompression device also comprises overheated water tank, steam jet ejector docks with overheated water tank, and the steam for being ejected by steam jet ejector is sent in overheated water tank; Overheated water tank is also provided with temperature sensor.
9. a kind of low pressure mechanical steam recompression device according to claim 1 to 6 any one, it is characterized in that, described low pressure mechanical steam recompression device also comprises waste water tank, the water at low temperature that waste water tank is discharged for loading expansion drum, and waste water tank is connected with expansion drum by waste line; Waste water tank is also provided with temperature sensor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420673751.5U CN204513326U (en) | 2014-11-12 | 2014-11-12 | A kind of low pressure mechanical steam recompression device |
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| CN201420673751.5U CN204513326U (en) | 2014-11-12 | 2014-11-12 | A kind of low pressure mechanical steam recompression device |
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| CN204513326U true CN204513326U (en) | 2015-07-29 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106050714A (en) * | 2016-07-15 | 2016-10-26 | 宜兴市格兰特干燥浓缩设备有限公司 | Improved MVR draught fan system |
| CN109553142A (en) * | 2018-12-29 | 2019-04-02 | 四川磊蒙机械设备有限公司 | Control system for sewage treatment plant |
-
2014
- 2014-11-12 CN CN201420673751.5U patent/CN204513326U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106050714A (en) * | 2016-07-15 | 2016-10-26 | 宜兴市格兰特干燥浓缩设备有限公司 | Improved MVR draught fan system |
| CN109553142A (en) * | 2018-12-29 | 2019-04-02 | 四川磊蒙机械设备有限公司 | Control system for sewage treatment plant |
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