CN209493339U - Energy-efficient high-salt wastewater vaporising device - Google Patents
Energy-efficient high-salt wastewater vaporising device Download PDFInfo
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- CN209493339U CN209493339U CN201821617344.7U CN201821617344U CN209493339U CN 209493339 U CN209493339 U CN 209493339U CN 201821617344 U CN201821617344 U CN 201821617344U CN 209493339 U CN209493339 U CN 209493339U
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- preheater
- separator
- energy
- evaporator
- salt wastewater
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- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model discloses a kind of energy-efficient high-salt wastewater vaporising devices, including preheating assembly, circulating pump, separator, MVR compressor, evaporator, the discharge port of the preheating group is connected with the inlet of circulating pump, the liquid outlet of the circulating pump is connected with the feed inlet of separator, and the venthole of the separator is connected with MVR compressor air intake；The venthole of the MVR compressor is connected with the air intake of evaporator；The liquid outlet of the evaporator is connected with preheating assembly.The utility model reduces the quantity of device using the method that heat-exchange network, pressure difference convey, only have two dynamic equipment of MVR compressor and circulating pump in whole device, not only reduce investment outlay, and energy consumption can be saved, it can reduce simultaneously and move number of devices in MVR vaporising device, cost is reduced, and a possibility that equipment fault occurs can be reduced, to make system stable operation.
Description
Technical field
The utility model relates to environmental protection and energy saving technical fields, and in particular to a kind of energy-efficient high-salt wastewater evaporation dress
It sets.
Background technique
High-salt wastewater is a kind of very high waste water of ion concentration, if inhibition can be generated to microorganism by directlying adopt biochemical method
And toxic action, and materializing strategy can only remove oil removal, can not effectively remove deionization, therefore can only make to give up with the method for evaporation
Water decrement, then by the further curing process of concentrate.And traditional multi-effect evaporation system is there is complex process, equipment is more, controls
Parameter processed is more, and the limited equal shortcomings of energy-saving effect.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of energy-efficient high-salt wastewater vaporising device, use
Heat-exchange network, pressure difference conveying method reduce the quantity of device, only have MVR compressor and circulating pump two in whole device
Dynamic equipment, not only reduces investment outlay, but also energy saving.
The technology employed by the present utility model is
A kind of energy-efficient high-salt wastewater vaporising device, including preheating assembly, circulating pump, separator, MVR compressor,
The discharge port of evaporator, the preheating group is connected with the inlet of circulating pump, the liquid outlet of the circulating pump and separator
Feed inlet is connected, and the venthole of the separator is connected with MVR compressor air intake；The venthole of the MVR compressor
It is connected with the air intake of evaporator；The liquid outlet of the evaporator is connected with preheating assembly.
As the preferred of the present embodiment, the preheating assembly include sequentially connected first preheater, the second preheater and
Third preheater, the third preheater are connected with the inlet of circulating pump, the liquid outlet of the evaporator and the first preheating
Device is connected.
As the preferred of the present embodiment, first preheater uses plate heat exchanger, plate material titanium, herringbone ripple
Plate, sealed material EPDM；Second preheater and third preheater are all made of plate heat exchanger, plate material titanium, oblique ripple
Plate, sealed material EPDM.
As the preferred of the present embodiment, the separator includes tank body, and the side of the tank body is equipped with separator feed inlet,
Steam (vapor) outlet and separator discharge port are respectively equipped at the top and bottom of the tank body, in being arranged right below for the steam (vapor) outlet
The lower section of wire mesh demister, the wire mesh demister is equipped with baffle demister.
As the preferred of the present embodiment, feed distributor, the charging distribution are installed on the separator feed inlet
The lower section of baffle demister is arranged in device.
As the preferred of the present embodiment, the discharging of the separator discharge port processing passes through circulating pump and the second preheater phase
Connection.
As the preferred of the present embodiment, the liquid outlet of the evaporator is connected by U-tube with the first preheater.
As the preferred of the present embodiment, the MVR compressor is single-stage high-speed centrifugal compressor.
Compared with prior art, the utility model has the beneficial effects that
The utility model provides a kind of energy-efficient high-salt wastewater vaporising device, is conveyed using heat-exchange network, pressure difference
Method reduces the quantity of device, so that only having two dynamic equipment of MVR compressor and circulating pump in whole device, not only saves and throws
Money, but also can be with energy saving.
The utility model provides the energy-efficient high-salt wastewater vaporising device of one kind and can not only reduce in MVR vaporising device
The quantity of power-equipment reduces cost, and can reduce a possibility that equipment fault occurs, to make system stable operation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the energy-efficient high-salt wastewater vaporising device of the utility model；
Fig. 2 is the structural schematic diagram of the utility model separator.
It is as shown in the figure: 1, first preheater, the 2, second preheater, 3, third preheater, 4, circulating pump, 5, separator, 51,
Separator feed inlet, 52, separator discharge port, 53, feed distributor, 54, baffle demister, 55, wire mesh demister, 56, steaming
Vapor outlet, 6, MVR compressor, 7, evaporator, 8, U-tube.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to shown in Fig. 1 to 2, the utility model embodiment provides a kind of energy-efficient high-salt wastewater vaporising device, tool
Body is made of preheating assembly and forced-circulation evaporation system two parts.In the present embodiment, it is pre- to specifically include first for preheating assembly
Hot device 1, the second preheater 2 and third preheater 3, forced-circulation evaporation system include circulating pump 4, separator 5, MVR compressor
6, evaporator 7 and U-tube 8.
Shown in Figure 1, in the present embodiment, the first preheater 1, the second preheater 2 and third in preheating assembly are pre-
Hot device 3 is sequentially connected with, and the third preheater 3 is connected with the inlet of circulating pump 4, and the liquid outlet of evaporator 7 and first is in advance
Hot device 1 is connected.Wherein, the first preheater 1 uses plate heat exchanger, plate material titanium, herringbone corrugated plating, sealed material
EPDM；First preheater 1 is that charging exchanges heat with condensed water, and feed liquid temperature is 75 DEG C after preheating, can not only make full use of condensation
Hydro-thermal amount, and leaving water temperature can be effectively reduced.Second preheater 2 uses plate heat exchanger, plate material titanium, oblique ripple
Plate, sealed material EPDM；Second preheater 2 is raw material and discharging heat exchange after the preheating of the first preheater 1, and feed liquid temperature is after preheating
90 DEG C, discharging heat can be not only made full use of, but also drop temperature can be effectively reduced.Third preheater 3 is changed using board-like
Hot device, plate material titanium, inclined corrugated plate, sealed material EPDM；Third preheater 3 is raw material and row after the preheating of the second preheater 2
Empty vapour preheating, feed liquid temperature is 95 DEG C after preheating, can not only make full use of emptying vapour heat, but also can effectively reduce and be discharged to
Steam in air.
Referring to shown in Fig. 1 to 2, in the present embodiment, forced-circulation evaporation system includes circulating pump 4, separator 5, MVR pressure
The discharge port of contracting machine 6, evaporator 7 and U-tube 8, third preheater 3 is connected with the inlet of circulating pump 4, the circulating pump 4
Liquid outlet be connected with the feed inlet of separator 5, the venthole of the separator 5 is connected with 6 air intake of MVR compressor；
The venthole of the MVR compressor 6 is connected with the air intake of evaporator 6；The liquid outlet of the evaporator 7 by U-tube 8 with
First preheater 1 is connected.
In the present embodiment, circulating pump 4 uses 2205 materials, and machine envelope uses the both-end mechanical seal of better tightness, follows
Ring, 4 offset stress using elastic support, not only can rupture the disclosure risk generated to avoid because of inlet and outlet expansion joint, but also
It can discharge and 4 export branch road of circulating pump is taken to convey, can not only save discharging pump, but also energy consumption can be reduced with save the cost.
Referring to shown in Fig. 1 to 2, in the present embodiment, separator 5 includes tank body (not indicating in figure), in the side of tank body
Equipped with separator feed inlet 51, it is respectively equipped with steam (vapor) outlet 56 and separator discharge port 52 at the top and bottom of tank body, is steaming
Vapor outlet 56 is arranged right below wire mesh demister 55, is equipped with baffle demister 54 in the lower section of wire mesh demister 55.Described
Feed distributor 53 is installed, the lower section of baffle demister 54 is arranged in feed distributor 53, described on separator feed inlet 51
The discharging of the processing of separator discharge port 52 is connected by circulating pump 4 with the second preheater 3, the secondary steaming come out from separator 5
Vapour enters MVR compressor 6 by steam (vapor) outlet 56.Separator 5 uses two-stage foam removal, and one baffle foam removal removes and is greater than 100
μm bulky grain drop, second level uses the foam removal of wire mesh demister essence, foam removal efficiency up to 98% or more,
Advanced optimize the present embodiment, separator 5 using pressure difference come monitored density and liquid level, not only accurately, but also effectively
Cost is reduced, wire mesh demister 55 surveys 55 running resistance of wire mesh demister using pressure difference before and after wire mesh demister, when resistance is big
When 10kPa, automatic sprinkler cleaning web is opened
In this embodiment, MVR compressor 6 uses single-stage high-speed centrifugal compressor, material 2205. inlet temperature, 95 DEG C of ripples
Plate, pressure 84.5kPa, 110 DEG C of outlet temperature, pressure 143.3kPa.Evaporator 6 uses horizontal forced circulation technique, manages interior stream
Speed reaches 2m/s, can not only greatly improve the coefficient of heat transfer, but also can effectively destroy dirty layer, prevent fouling.It advanced optimizes
The tube side of the present embodiment, evaporator 6 usesHeat exchanger tube, material 2205, shell-side use 304 materials, not only meet
Corrosion resistant requirement, and cost can be reduced.Condensed water takes pressure difference to drain, and can not only save the throwing of draining pump bring equipment
Money, and draining bring energy consumption can be reduced.U-tube 8 can be effectively prevented the steam string in evaporator 7 and make into air
At energy loss
Shown in Figure 1, the utility model embodiment also provides a kind of energy-efficient treatment method for high-salinity wastewater, specifically
Including following technique；
Charging high-salt wastewater is preheated to 75 DEG C through the first preheater 1 and high-temperature water outlet heat exchange, subsequently into the second preheater 2
90 DEG C are preheated to after high temperature discharging heat exchange.The material liquid come out from the second preheater 2 is through third preheater 3 and emptying vapour heat exchange
After be preheated to 95 DEG C after enter forced-circulation evaporation system, system generate secondary steam it is laggard through baffle and silk screen two-stage foam removal
Enter the heat-source Cycles after MVR compressor 6 heats as evaporator 7 to use, the condensed water depended on pressure that evaporator 7 generates is pressed certainly
The discharge system after U-tube 8 enters the heat exchange of the first preheater 1, discharging enter the second preheater 2 by the bypass pressure of circulating pump 4
Discharge system after heat exchange, the emptying vapour of generation enter discharge system after the heat exchange recycling latent heat of third preheater 3.In the process by
The recycling of steam, the abundant recycling of system thermal and the pressure difference conveying of material, keep the more traditional MVR of system significantly energy saving.
Meanwhile the quantity of equipment also greatly reduces, and reduces cost of investment.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (8)
1. a kind of energy-efficient high-salt wastewater vaporising device, it is characterised in that: including preheating assembly, circulating pump (4), separator
(5), the discharge port of MVR compressor (6), evaporator (7), the preheating group is connected with the inlet of circulating pump (4), described to follow
The liquid outlet of ring pump (4) is connected with the feed inlet of separator (5), the venthole of the separator (5) and MVR compressor (6)
Air intake is connected；The venthole of the MVR compressor (6) is connected with the air intake of evaporator (7)；The evaporator (7)
Liquid outlet be connected with preheating assembly.
2. energy-efficient high-salt wastewater vaporising device according to claim 1, it is characterised in that: the preheating assembly packet
Include sequentially connected first preheater (1), the second preheater (2) and third preheater (3), the third preheater (3) with follow
The inlet of ring pump (4) is connected, and the liquid outlet of the evaporator (7) is connected with the first preheater (1).
3. energy-efficient high-salt wastewater vaporising device according to claim 2, it is characterised in that: first preheater
(1) plate heat exchanger, plate material titanium, herringbone corrugated plating, sealed material EPDM are used；Second preheater (2) and
Three preheaters (3) are all made of plate heat exchanger, plate material titanium, inclined corrugated plate, sealed material EPDM.
4. energy-efficient high-salt wastewater vaporising device according to claim 1, it is characterised in that: the separator includes
The side of tank body, the tank body is equipped with separator feed inlet (51), is respectively equipped with steam (vapor) outlet at the top and bottom of the tank body
(56) and separator discharge port (52) wire mesh demister (55), the silk screen, are arranged right below in the steam (vapor) outlet (56)
The lower section of demister (55) is equipped with baffle demister (54).
5. energy-efficient high-salt wastewater vaporising device according to claim 4, it is characterised in that: the separator into
It is equipped in material mouth (51) feed distributor (53), lower section of feed distributor (53) setting in baffle demister (54).
6. energy-efficient high-salt wastewater vaporising device according to claim 4, it is characterised in that: the separator (5)
The discharging of discharge port processing is connected by circulating pump (4) with the second preheater (2).
7. energy-efficient high-salt wastewater vaporising device according to claim 2, it is characterised in that: the evaporator (7)
Liquid outlet be connected with the first preheater (1) by U-tube (8).
8. energy-efficient high-salt wastewater vaporising device according to claim 1, it is characterised in that: the MVR compressor
For single-stage high-speed centrifugal compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821617344.7U CN209493339U (en) | 2018-09-30 | 2018-09-30 | Energy-efficient high-salt wastewater vaporising device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821617344.7U CN209493339U (en) | 2018-09-30 | 2018-09-30 | Energy-efficient high-salt wastewater vaporising device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209493339U true CN209493339U (en) | 2019-10-15 |
Family
ID=68150962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821617344.7U Active CN209493339U (en) | 2018-09-30 | 2018-09-30 | Energy-efficient high-salt wastewater vaporising device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209493339U (en) |
-
2018
- 2018-09-30 CN CN201821617344.7U patent/CN209493339U/en active Active
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| GR01 | Patent grant | ||
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| CP01 | Change in the name or title of a patent holder |
Address after: 430000 No.2 Xingfu 1st Road, Wushu village, Miaoshan, Jiangxia District, Wuhan City, Hubei Province Patentee after: GREATALL POWER Co.,Ltd. Address before: 430000 No.2 Xingfu 1st Road, Wushu village, Miaoshan, Jiangxia District, Wuhan City, Hubei Province Patentee before: WUHAN GREATALL MACHINERY Co.,Ltd. |