CN209378478U - A kind of low-temperature energy-saving vaporising device - Google Patents
A kind of low-temperature energy-saving vaporising device Download PDFInfo
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- CN209378478U CN209378478U CN201920001250.5U CN201920001250U CN209378478U CN 209378478 U CN209378478 U CN 209378478U CN 201920001250 U CN201920001250 U CN 201920001250U CN 209378478 U CN209378478 U CN 209378478U
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Abstract
The utility model relates to a kind of low-temperature energy-saving vaporising device in distillation technique field, several evaporation tubes are set, evaporation tube or so end is feed inlet and outlet, and the shell side for accommodating refrigerant is formed between shell-and-tube evaporator inner casing and evaporation tube inside shell-and-tube evaporator；The refrigeration end of refrigeration compressor connects top shell side refrigerant exit, and the heating end connection of refrigeration compressor is located at the coil pipe in material fluid bath, and the coil pipe other end connects lower part shell side refrigerant inlet by throttle valve；Flash tank top connects material fluid bath bottom by throttle valve, and flash tank lower part is connected by circulating pump with material fluid bath bottom of right side, and flash tank upper side is connected to feed inlet, and discharge port connects condensate pump and vacuum pump；The heat that the utility model is released when being cooled to liquid to steam recycles, and for heating liquid to be distilled, energy consumption is reduced；It carries out in material concentration, energy consumption is only the 10% of electric heating evaporation, and material thickening temperature is no more than 33 DEG C, and material never degenerates, energy-saving effect highly significant.
Description
Technical field
The present invention relates to distillation technique and manufacturing field of equipment, specifically a kind of low-temperature energy-saving vaporising device.
Background technique
Liquid, which becomes gas phase by liquid phase, will absorb a large amount of heat, and a large amount of heat is released when becoming liquid phase by gas phase.Tradition
Distilled water production process, its boiling point or more exactly is heated to the water of liquid, is allowed to become steam, then again to steam carry out
It is cooling, obtain pure distilled water.
Using produced in conventional processes distilled water, coal, combustion gas, fuel Heating are either used, or use electric heating, energy
Consumption is all very big, in addition to water is heated it is inefficient other than, it is another the reason is that steam is cooled to the heat released when distilled water does not have
There is recycling and reusing.
In order to improve heating efficiency, present inventor Wang Jun has applied for a kind of patent " steam condensation evaporation skill for 2017
Art and device " application number 2017109329889, a kind of steam condensation evaporation technology is disclosed, to the effect that by closed steaming
The steam that material evaporation comes out in hair device is condensed into distillate, and is discharged outside evaporator, reduces the vapour pressure in evaporator, steam
The heat released when being condensed into distillate heats up by heat pump system and heats to the material in evaporator, and maintenance was evaporated
Cheng Chixu is carried out, and realizes low energy consumption evaporation separation distillate；Enabling the energy consumption for producing distillate is only to use electricity, air, MVR skill
The 25%-80% of art heating distilling device, energy-saving effect are significant.The above patented technology has obtained universal application, but certain objects
Material can only evaporate at low temperature, and when the evaporating temperature of material requires to be no more than 50 DEG C, the above patent is with regard to helpless, though or energy
Operation reluctantly, but cost performance is uneconomical.The above patented technology has obtained universal application, in application practice, discovery
Problem, the present invention are to improve and optimizate scheme to one of the patented technology, provide a kind of new concrete application device.
MVR is steam mechanical recompression (abbreviation of mechanical vapor recompression), it is weight
The energy of the new secondary steam generated using own, to reduce a power-saving technology of the demand to outside resources.MVR skill
Art is also good energy saving evaporation technique, but certain materials can only evaporate at low temperature, when the evaporating temperature of material requires not surpass
When crossing 50 DEG C, MVR technology with regard to helpless, though or can run reluctantly, cost performance is uneconomical.
Summary of the invention
In order to solve the above-mentioned problems of the prior art, the present invention provides a kind of low-temperature energy-saving evaporation dress being simple and efficient
It sets.
The technical solution that the present invention uses is as follows:
A kind of low-temperature energy-saving vaporising device comprising intersect associated refrigerating and heating systems and concentration Distallation systm；
The refrigerating and heating systems include refrigeration compressor and shell-and-tube evaporator, and setting is several inside shell-and-tube evaporator
Evaporation tube, the left and right end for evaporating tube axis direction are collected for feed inlet and outlet, shell-and-tube evaporator inner casing and evaporation tube circumference it
Between formed accommodate refrigerant shell side；The refrigerant of the refrigeration end connection shell-and-tube evaporator top shell side of the refrigeration compressor goes out
Mouthful, the heating end connection of refrigeration compressor is located at the coil pipe in material fluid bath, and the coil pipe other end connects shell-and-tube evaporator lower case
The refrigerant inlet of journey.
The concentration Distallation systm includes flash tank, and the top of flash tank connects the material fluid bath left bottom, flash tank
Lower part be connected with material fluid bath bottom of right side by circulating pump, the upper side connection shell-and-tube evaporator of the flash tank
Feed inlet, shell-and-tube evaporator discharge port lower part connect condensate pump, shell-and-tube evaporator discharge port top connect vacuum pump.
Further, throttle valve is set between the flash tank top and the feed liquid trench bottom；In the coil pipe and pipe
Between shell-type evaporator refrigerant inlet, it is also provided with throttle valve.
The effect of refrigerating and heating systems is that the steam that heats material to be concentrated and will be evaporated is cooled to liquid.
Concentration Distallation systm is heated for recycling material to be concentrated between material fluid bath and flash tank, in flash tank
Evaporation, and deliver a vapor in the evaporation tube of shell-and-tube evaporator, it is cooled to liquid, is then discharged out.
The beneficial effects of the present invention are:
1) during producing distillate, the heat released when being cooled to liquid to steam is recycled, for heating
Liquid to be distilled, substantially reduces energy consumption；
2) in carrying out material concentration process, external steam is not consumed, only consumes a small amount of electric energy, energy consumption by refrigeration compressor
Only 10% or so of electric heating evaporation, energy-saving effect highly significant；
3) in material concentration process, the temperature of material is no more than 33 DEG C always, is conducive to the physical property for protecting material,
Do not go bad because of high temperature.
Detailed description of the invention
Fig. 1 is a kind of low-temperature energy-saving vaporising device schematic diagram.
Fig. 2 is a kind of low-temperature energy-saving vaporising device operating parameter schematic diagram.
In figure, 1- vacuum pump, 2- shell-and-tube evaporator, 3- refrigeration compressor, 4- coil pipe, 5- material fluid bath, 6- section
Flow valve, 7- circulating pump, 8- flash tank, 9- condensate pump, 10- throttle valve.
Arrow in figure: 1) being refrigerant flow direction from right to left and from the bottom up, 2) it is from top to bottom vacuum pump sky
Flow of air direction, 3) from left to right, left side is the flow direction of condensate liquid in figure, and right side is liquid object stream to be evaporated in figure
Dynamic direction.
Specific embodiment
Fig. 1 is a kind of low-temperature energy-saving vaporising device schematic diagram, 20 to 80 evaporations of setting inside shell-and-tube evaporator 2
Pipe, the left and right end for evaporating tube axis direction is collected for feed inlet and outlet (not shown), shell-and-tube evaporator inner casing and evaporation tube
The shell side for accommodating refrigerant is formed between circumference；The refrigerant of the refrigeration end connection shell-and-tube evaporator top shell side of refrigeration compressor 3
(not shown) is exported, the heating end connection of refrigeration compressor is located at the coil pipe in material fluid bath, and 4 other end of coil pipe passes through throttling
The refrigerant inlet (not shown) of the connection shell-and-tube evaporator lower part shell side of valve 10.
The top of flash tank 8 connects 5 left bottom of material fluid bath by throttle valve 6, the lower part of flash tank by circulating pump with
Material fluid bath bottom of right side is connected, the feed inlet of the upper side connection shell-and-tube evaporator of flash tank, shell-and-tube evaporator discharging
Mouth lower part connects condensate pump 9, and shell-and-tube evaporator discharge port top connects vacuum pump 1.
The course of work of the present invention:
1) a certain amount of liquid material to be concentrated is filled into material fluid bath；
2) start vacuum pump, 2 evaporation tube of shell-and-tube evaporator and flash tank in communication is made to form vacuum；
3) throttle valve 6 and circulating pump 7 are opened, liquid material to be concentrated is recycled；
4) start refrigeration compressor, make refrigerant evaporation in shell-and-tube evaporator shell side, refrigerant steam is generated, through refrigerant compression
After machine pressurization, refrigerant steam heats up and is sent to coil pipe 4；
5) the high temperature refrigerant steam in coil pipe 4 is condensed into liquid refrigerants by liquid material to be concentrated in material fluid bath, then passes through
Throttle valve 10 is returned in shell-and-tube evaporator shell side and is recycled；
6) while the high temperature steam state refrigerant in coil pipe 4 is condensed into liquid refrigerants, liquid object to be concentrated in material fluid bath
Material heating, high temperature liquid material to be concentrated enter flash tank through throttle valve throttling；
7) due to being vacuum state in flash tank, high temperature liquid material to be concentrated is flashed, and generates steam, simultaneously
The cooling of concentrated liquid material, the concentrated liquid material of low temperature is by circulation pumped back material fluid bath；
8) steam produced enters shell-and-tube evaporator evaporation tube, and by heat exchange, the refrigerant into shell side provides heat, makes
Refrigerant persistently evaporates, while the steam in shell evaporator evaporation tube is condensed into condensate liquid, maintains the vacuum degree in flash tank,
Condensate liquid is discharged through condensate pump 9.
Fig. 2 is a kind of low-temperature energy-saving vaporising device operating parameter schematic diagram, selects R134A environmental protection refrigerant, it is in shell-and-tube
Evaporating temperature in the shell side of evaporator 2 is 20 DEG C, 20 DEG C of refrigerant steam of generation, after compressor pressurizes, temperature rise to 36 DEG C,
36 DEG C of refrigerant steam is condensed into liquid refrigerants when flowing through coil pipe, and liquid refrigerants returns to shell-and-tube evaporator through throttle valve 10
Shell side.Meanwhile the heat of transformation of steam state refrigerant when being condensed into liquid refrigerants, so that the liquid material to be concentrated in material fluid bath is heated up,
Temperature rises to 33 DEG C by 31 DEG C, and the liquid material to be concentrated of heating flows into flash tank through throttle valve, the water vapour that 23 DEG C of output, together
When, liquid material own temperature to be concentrated is down to 31 DEG C, and 23 DEG C of steam flows into the evaporation tube of shell-and-tube evaporator, by low temperature
Refrigerant be condensed into liquid, condensate liquid is extracted out through condensate pump, and the heat transfer that when steam liquefied is released provides cold to refrigerant
Heat required for matchmaker is evaporated maintains refrigerant persistently to evaporate.By constantly recycling, the liquid material to be concentrated in material fluid bath is obtained
It is concentrated by evaporation, concentration not only improves, until reaching production requirement.At the same time, the condensate liquid produced is through condensed water pumping
Out, as another product.
The present invention does not consume external steam in carrying out material concentration process, only consumes a small amount of electric energy by refrigeration compressor,
Energy efficiency coefficient under operating condition can reach 10, therefore energy consumption is only 10% or so of electric heating evaporation, energy-saving effect highly significant；?
In material concentration process, the temperature of material is no more than 33 DEG C always, is conducive to the physical property for protecting material, never degenerates.
Present invention is mainly applied to the concentration of the low temperature of liquid material and retort fields.
Claims (2)
1. a kind of low-temperature energy-saving vaporising device, it is characterised in that:
It includes intersect associated refrigerating and heating systems and concentration Distallation systm；
The refrigerating and heating systems include refrigeration compressor and shell-and-tube evaporator, several steamings of setting inside shell-and-tube evaporator
Hair pipe, the left and right end for evaporating tube axis direction are collected for feed inlet and outlet, shape between shell-and-tube evaporator inner casing and evaporation tube circumference
At the shell side for accommodating refrigerant；The refrigerant exit of the refrigeration end connection shell-and-tube evaporator top shell side of the refrigeration compressor, system
The heating end connection of cold compressor is located at the coil pipe in material fluid bath, and the coil pipe other end connects the cold of shell-and-tube evaporator lower part shell side
Matchmaker's import；
The concentration Distallation systm includes flash tank, and the top of flash tank connects the material fluid bath left bottom, under flash tank
Portion is connected by circulating pump with material fluid bath bottom of right side, the upper side of the flash tank be connected to the shell-and-tube evaporator into
Material mouth, shell-and-tube evaporator discharge port lower part connect condensate pump, and shell-and-tube evaporator discharge port top connects vacuum pump.
2. a kind of low-temperature energy-saving vaporising device according to claim 1, it is characterised in that: in the flash tank top and institute
It states and throttle valve is set between material fluid bath left bottom；Between the coil pipe and shell-and-tube evaporator refrigerant inlet, it is also provided with section
Flow valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920001250.5U CN209378478U (en) | 2019-01-02 | 2019-01-02 | A kind of low-temperature energy-saving vaporising device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920001250.5U CN209378478U (en) | 2019-01-02 | 2019-01-02 | A kind of low-temperature energy-saving vaporising device |
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| CN209378478U true CN209378478U (en) | 2019-09-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111807441A (en) * | 2020-07-17 | 2020-10-23 | 威士邦（厦门）环境科技有限公司 | Corrosion-resistant evaporation concentration system |
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2019
- 2019-01-02 CN CN201920001250.5U patent/CN209378478U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111807441A (en) * | 2020-07-17 | 2020-10-23 | 威士邦（厦门）环境科技有限公司 | Corrosion-resistant evaporation concentration system |
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