CN209093305U - Vacuum system with cooling device - Google Patents
Vacuum system with cooling device Download PDFInfo
- Publication number
- CN209093305U CN209093305U CN201821846371.1U CN201821846371U CN209093305U CN 209093305 U CN209093305 U CN 209093305U CN 201821846371 U CN201821846371 U CN 201821846371U CN 209093305 U CN209093305 U CN 209093305U
- Authority
- CN
- China
- Prior art keywords
- water
- vacuum
- heat exchanger
- cooling device
- primary condenser
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model relates to a kind of vacuum systems with cooling device, including passing sequentially through tank and vacuum pump before pipeline primary condenser interconnected, vacuum, First Heat Exchanger is provided on the pipeline before the primary condenser and vacuum between tank, and/or, the cooling device with water circulation pipe is provided on the vacuum pump, the second heat exchanger is provided on the water-circulating pipe road, the heat transferring medium of the First Heat Exchanger and the second heat exchanger is respectively low temperature chilled water.The utility model improves and stablizing the vacuum degree of vacuum system makes it not by seasonal effect, realizes to the stably and controllable of vacuum degree.Moreover, the equipment of the utility model is simple, expense is low, not high to requirements of installation space, and applicability is wide.
Description
Technical field
The technical field that the utility model vacuum degree maintains, is related to a kind of vacuum system with cooling device.
Background technique
Vacuum plant is used in many industries, the vacuum degree of vacuum plant changes with seasonal temperature and changed, and shows the winter
Its vacuum degree is good, the state of summer vacuum degree difference, makes a very bad impression to the high process control of vacuum level requirements, so that production produces
Amount and final product quality not can guarantee.To change this state, vacuum pump can be replaced or be increased, but is invested larger and seasonal
The problem of still remain, there is also seasonalities for utilization rate of equipment and installations, result in waste of resources.
Although increasing water cooling device on vacuum pump in the prior art, variation of ambient temperature is reduced to vacuum holding
The influence for the vacuum degree set, but because do not control the temperature of the cooling water of cooling device, vacuum plant it is true
Reciprocal of duty cycle still changes with seasonal temperature and is changed.
Utility model content
Technical problem to be solved by the utility model is to provide a kind of vacuum systems with cooling device, improve
And the vacuum degree for stablizing vacuum system realizes it by seasonal effect, to the stably and controllable of vacuum degree.
The utility model is realized in this way providing a kind of vacuum system with cooling device, including pass sequentially through pipe
Tank and vacuum pump before road primary condenser interconnected, vacuum, in the pipe before the primary condenser and vacuum between tank
Road is provided with First Heat Exchanger, and/or, the cooling device with water circulation pipe is provided on the vacuum pump, in institute
It states water-circulating pipe road and is provided with the second heat exchanger, the heat transferring medium of the First Heat Exchanger and the second heat exchanger is respectively low temperature
Chilled water.
Further, it is provided with the first valve in the entrance of the low temperature chilled water of the First Heat Exchanger, described the
The entrance of the low temperature chilled water of two heat exchangers is provided with the second valve.
Further, before the vacuum tank bottom setting water flowing pipeline and third valve.
Further, the primary condenser uses the circulating water cooling of cooling tower, and the circulating water temperature is 15 DEG C ~ 35
℃。
Further, the cooling water in the vacuum pump water circulation pipe uses the recirculated water of cooling tower, or using only
The recirculated water of vertical water circulation system, the temperature to the recirculated water that the vacuum pump cools down are 15 DEG C ~ 35 DEG C.
Further, the temperature of the low temperature chilled water is -2 DEG C ~ 7 DEG C.
Further, vapour liquid separator or evaporator are provided on the pipeline before the primary condenser.
Further, vapour liquid separator and evaporator, the vapour are provided on the pipeline before the primary condenser
Liquid/gas separator is arranged between evaporator and primary condenser.
Compared with prior art, the vacuum system with cooling device of the utility model, on the basis of former vacuum system,
Increase by two heat exchangers, using low temperature chilled water, cools down to the gas into tank before vacuum, and/or to the water of vacuum pump
The recirculated water of circulating cooling device carries out cooling and temperature control, improves and the vacuum degree for stablizing vacuum system makes it not by season shadow
It rings, realizes to the stably and controllable of vacuum degree.Moreover, the equipment of the utility model is simple, expense is low, not to requirements of installation space
Height, applicability are wide.
Detailed description of the invention
Fig. 1 is the schematic illustration of one preferred embodiment of the utility model.
Specific embodiment
In order to which technical problem to be solved in the utility model, technical solution and beneficial effect is more clearly understood, with
Lower combination accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein
It applies example to be only used to explain the utility model, is not used to limit the utility model.
It please refers to shown in Fig. 1, the utility model has the preferred embodiment of the vacuum system of cooling device, including successively leads to
Cross tank 2 and vacuum pump 3 before pipeline primary condenser 1 interconnected, vacuum.
First Heat Exchanger 4 is provided on the pipeline before the primary condenser 1 and vacuum between tank 2, and/or, in institute
It states and is provided with the cooling device with water circulation pipe on vacuum pump 3, the second heat exchanger is provided on the water-circulating pipe road
5.The heat transferring medium of the First Heat Exchanger 4 and the second heat exchanger 5 is respectively low temperature chilled water.The temperature of the low temperature chilled water
It is -2 DEG C ~ 7 DEG C.It can according to the technological requirements and treating capacity sets the temperature of low temperature chilled water.When the vacuum degree of vacuum system is wanted
When asking high, while First Heat Exchanger 4 and the second heat exchanger 5 are set, and when the vacuum level requirements of vacuum system are low, it can only set
Set First Heat Exchanger 4 or the second heat exchanger 5.
It is provided with the first valve 6 in the entrance b3 of the low temperature chilled water of the First Heat Exchanger 4, flows through the to adjust
The air outlet temperature of the secondary steam of one heat exchanger 4, makes it not by variation of ambient temperature.The cryogenic freezing of the First Heat Exchanger 4
Water returns to low temperature chilled water generation device (not shown) according to from inlet port b3 entrance shown in arrow and from outlet b4 out
In, cool down to the secondary steam for flowing through First Heat Exchanger 4.
It is provided with the second valve 7 in the entrance c3 of the low temperature chilled water of second heat exchanger 5, to adjust water saving circulating
The temperature of recirculated water in pipeline, makes it not by variation of ambient temperature.The low temperature chilled water of second heat exchanger 5 is according to arrow institute
Show to enter from inlet port c3 and come out from outlet c4 and return in low temperature chilled water generation device (not shown), to flowing through second
Recirculated water in the water circulation pipe of heat exchanger 5 cools down, and the temperature of control loop water.
The pipeline and third valve 8 of the bottom setting water flowing of tank 2 before the vacuum, convenient for being discharged according to shown in arrow
Condensed water before vacuum in tank 2.
The primary condenser 1 uses the circulating water cooling of cooling tower 9.The circulating water temperature is 15 DEG C ~ 35 DEG C.
Cooling water in 3 water circulation pipe of vacuum pump uses the recirculated water of cooling tower 9, or is recycled using independent water
The recirculated water of system.In the present embodiment, the cooling water in 3 water circulation pipe of vacuum pump is the circulation using cooling tower 9
Water.Temperature to the recirculated water that the vacuum pump 3 cools down is 15 DEG C ~ 35 DEG C.
Vapour liquid separator or evaporator 10 are provided on the pipeline before the primary condenser 1.The primary condensation
Device 1 cools down to the secondary steam flowed through.Its temperature-fall period is as follows: by the secondary steam of vapour liquid separator or evaporator 10 according to
Enter primary condenser 1 from the gas inlet port a1 of primary condenser 1 shown in arrow, a2 enters back into first after coming out from the outlet of its gas
The gas inlet port b1 of heat exchanger 4；Recirculated water, which enters from water inlet port a3 and exports a4 and come out, to be returned in cooling tower 9 and is followed
Ring.
As another embodiment, vapour liquid separator and steaming are provided on the pipeline before the primary condenser 1
Device is sent out, the vapour liquid separator is arranged between evaporator and primary condenser 1.
To guarantee cooling effect in this vacuum system, pipeline, 4 and of First Heat Exchanger passed through to low temperature chilled water is needed
The pipeline that secondary steam, low temperature chilled water after second heat exchanger 5, and heat exchange pass through is both needed to do cold isothermal holding.
Compared with prior art, the beneficial effects of the utility model also reside in: the secondary steam of vapo(u)rization system is through vapour-liquid point
From later, by cooling down twice, the intake air temperature into vacuum pump can be effectively reduced, while reducing very using low temperature chilled water
Sealing water/cooling water temperature of sky pump, the two collaboration, effectively increases the efficiency of vacuum pump, reduces the probability that cavitation occurs, into
And improve the vacuum degree of vacuum system and vapo(u)rization system.Moreover, it is more stable with the gas/water temperature after low temperature chilled water heat exchange,
So that the vacuum degree of vacuum system and vapo(u)rization system is no longer influenced by seasonal variations.
Illustrate the utility model below with reference to concrete application embodiment.
Embodiment one: the utility model is applied in single-effect evaporation system.Summer, when evaporation technology state modulator is constant
When, secondary steam, vacuum pump sealing water/cooling water by being changed with the low temperature chilled water of First Heat Exchanger 4 and the second heat exchanger 5
After heat, the temperature of the secondary steam of discharge controls the vacuum degree raising 1.9% ~ 2.6% that terminal is evaporated at 12 DEG C ~ 18 DEG C.Winter,
When evaporation technology state modulator is constant, secondary steam, vacuum pump sealing water/cooling water by with First Heat Exchanger 4 and second
After the low temperature chilled water heat exchange of heat exchanger 5, sealing water/cooler-water temperature of vacuum pump be can control at 8 DEG C ~ 15 DEG C, and evaporation is eventually
The vacuum degree of point improves 0.9% ~ 1.5%.And realize the stabilization of summer Yu winter vacuum degree.Same production technology, in certain model
In enclosing, vacuum degree improves 0.5%, and moisture reduces about 5.9% in the finished product produced.
Embodiment two: the utility model is applied in vacuum crystallization process.Summer, to the vacuum of vacuum crystallization evaporator
After the water inlet of pump carries out cooling processing using the second heat exchanger 5, crystallization yield improves 3.0% ~ 4.8%, the crystallization yield with winter
Quite.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (8)
1. a kind of vacuum system with cooling device, including before passing sequentially through pipeline primary condenser interconnected, vacuum
Tank and vacuum pump, which is characterized in that the first heat exchange is provided on the pipeline before the primary condenser and vacuum between tank
Device, and/or, it is provided with the cooling device with water circulation pipe on the vacuum pump, is arranged on the water-circulating pipe road
The heat transferring medium of second heat exchanger, the First Heat Exchanger and the second heat exchanger is respectively low temperature chilled water.
2. as described in claim 1 with the vacuum system of cooling device, which is characterized in that in the low of the First Heat Exchanger
The entrance of warm chilled water is provided with the first valve, is provided with second in the entrance of the low temperature chilled water of second heat exchanger
Valve.
3. as described in claim 1 with the vacuum system of cooling device, which is characterized in that the bottom of tank before the vacuum
The pipeline and third valve of water flowing are set.
4. as described in claim 1 with the vacuum system of cooling device, which is characterized in that the primary condenser uses cool
The circulating water cooling of water tower, the circulating water temperature are 15 DEG C ~ 35 DEG C.
5. as described in claim 1 with the vacuum system of cooling device, which is characterized in that the vacuum pump water circulation pipe
In cooling water use cooling tower recirculated water, or using independent water circulation system recirculated water, to the vacuum pump cool down
Recirculated water temperature be 15 DEG C ~ 35 DEG C.
6. as described in claim 1 with the vacuum system of cooling device, which is characterized in that the temperature of the low temperature chilled water
It is -2 DEG C ~ 7 DEG C.
7. as described in claim 1 with the vacuum system of cooling device, which is characterized in that before the primary condenser
Pipeline on be provided with vapour liquid separator or evaporator.
8. as described in claim 1 with the vacuum system of cooling device, which is characterized in that before the primary condenser
Pipeline on be provided with vapour liquid separator and evaporator, the vapour liquid separator is arranged between evaporator and primary condenser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821846371.1U CN209093305U (en) | 2018-11-09 | 2018-11-09 | Vacuum system with cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821846371.1U CN209093305U (en) | 2018-11-09 | 2018-11-09 | Vacuum system with cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209093305U true CN209093305U (en) | 2019-07-12 |
Family
ID=67158956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821846371.1U Active CN209093305U (en) | 2018-11-09 | 2018-11-09 | Vacuum system with cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209093305U (en) |
-
2018
- 2018-11-09 CN CN201821846371.1U patent/CN209093305U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103466736B (en) | A kind of circulating treating system of high-concentration salt-containing wastewater and technique | |
| US11137178B2 (en) | Cold energy recovery-type variable-capacity air-source heat pump system | |
| CN110844955A (en) | Closed circulation evaporation and condensation system for treating high-salt and high-COD wastewater | |
| CN202521938U (en) | Heat pump system and drying system | |
| US11353242B2 (en) | Semi-open high-temperature heat pump system and working method thereof | |
| CN203355317U (en) | Four-effect crystallizing evaporator | |
| CN102765768B (en) | Device for improving sea water desalinization efficiency through heat pump | |
| CN204494922U (en) | A kind of evaporative condenser flooded screw handpiece Water Chilling Units | |
| CN103322725A (en) | Heat pump system, drying system, and respective method | |
| CN110553420A (en) | Ammonia absorption type refrigerating system based on lithium bromide unit | |
| CN104310514A (en) | Efficient mechanical vapor recompression seawater desalination method | |
| CN209093305U (en) | Vacuum system with cooling device | |
| CN113310246A (en) | Wine condensation heat energy comprehensive utilization system and heat energy comprehensive utilization method | |
| CN208603748U (en) | A kind of water treatment vaporization system | |
| CN109882911B (en) | Coupled heat pump type heating power station | |
| CN217593859U (en) | Double-effect evaporation concentration system | |
| CN113880171B (en) | MVR and heat pump coupling type multi-effect evaporation water treatment system and working method thereof | |
| CN206027109U (en) | Energy -conserving evaporative concentration equipment | |
| CN103542592A (en) | Direct combustion type lithium bromide absorption cold and hot water unit with heat recycling function | |
| CN202521939U (en) | Heat pump system and drying system | |
| CN216755399U (en) | Low-temperature vacuum evaporator | |
| CN213466816U (en) | Steam condensate water recycling device of wheat production line | |
| CN219001997U (en) | System for reduce MVR strong brine evaporation energy consumption | |
| CN211035296U (en) | High-efficiency low-temperature vacuum evaporator | |
| CN112484174B (en) | Humidification and dehumidification seawater desalination and air conditioning all-in-one machine based on vapor compression heat pump technology |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |