CN113476873A - Multi-effect evaporator suitable for viscose fiber spinning scouring water concentration - Google Patents
Multi-effect evaporator suitable for viscose fiber spinning scouring water concentration Download PDFInfo
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- CN113476873A CN113476873A CN202110862016.3A CN202110862016A CN113476873A CN 113476873 A CN113476873 A CN 113476873A CN 202110862016 A CN202110862016 A CN 202110862016A CN 113476873 A CN113476873 A CN 113476873A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 70
- 229920000297 Rayon Polymers 0.000 title claims abstract description 57
- 239000000835 fiber Substances 0.000 title claims abstract description 57
- 238000009991 scouring Methods 0.000 title claims abstract description 52
- 238000009987 spinning Methods 0.000 title claims abstract description 31
- 230000000694 effects Effects 0.000 claims abstract description 125
- 238000000926 separation method Methods 0.000 claims abstract description 50
- 238000007599 discharging Methods 0.000 claims description 13
- 239000007769 metal material Substances 0.000 claims description 6
- 238000003723 Smelting Methods 0.000 claims 1
- 238000001704 evaporation Methods 0.000 abstract description 29
- 230000008020 evaporation Effects 0.000 abstract description 28
- 238000005516 engineering process Methods 0.000 abstract description 7
- 239000002253 acid Substances 0.000 abstract description 5
- 238000004064 recycling Methods 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 description 11
- 230000001105 regulatory effect Effects 0.000 description 10
- 239000000463 material Substances 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 239000007770 graphite material Substances 0.000 description 4
- 238000009835 boiling Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000013589 supplement Substances 0.000 description 3
- 230000000875 corresponding effect Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 210000002268 wool Anatomy 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000009290 primary effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/26—Multiple-effect evaporating
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Artificial Filaments (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
The invention discloses a multi-effect evaporator suitable for viscose fiber spinning scouring water concentration, which comprises multi-effect bodies, wherein each effect body comprises an evaporator main body, and the evaporator main body comprises a heater and a separation chamber connected with the heater; the outlets of the separating chambers of all the effect bodies except the final effect body are connected with the steam inlet of the heater of the next effect body. The invention adopts the multi-effect evaporation concentration technology of viscose fiber scouring water concentration, can effectively provide guarantee for the applicability of the multi-effect evaporation concentration of the viscose fiber scouring water concentration, can effectively ensure the complete recycling of the evaporated water and the complete recycling of the concentrated acid liquor, and simultaneously ensures that the full utilization of heat energy can be achieved by adopting the multi-effect evaporation technology.
Description
Technical Field
The invention relates to the technical field of viscose fiber spinning scouring water treatment, in particular to a multi-effect evaporation concentration device for concentrating viscose fiber spinning scouring water.
Background
The evaporation and concentration of the viscose fiber spinning scouring water is to heat the viscose fiber scouring water to a boiling state in a heat exchange mode, so that most of water can be vaporized, separated, condensed and recycled, and the acid concentration of the concentrated viscose fiber spinning scouring water evaporated with a large amount of water is improved and then recycled.
The traditional viscose fiber fluff washing water evaporation concentration is a high-energy-consumption process, and the novel multi-effect evaporation concentrator is developed and used to realize the full utilization of heat energy, so that the evaporation concentration is not the traditional high-energy-consumption process any more; meanwhile, the traditional viscose fiber scouring water evaporation and concentration equipment basically adopts non-metal graphite products as heat transfer media for heat exchange, so that the service life of the equipment is short, and the replacement cost of the equipment is high. Therefore, whether the configuration of the novel multi-effect evaporation concentration equipment for viscose fiber scouring water concentration can meet the requirement of viscose fiber scouring water treatment and can make full use of heat energy, after a heat exchanger made of a metal material instead of a graphite material is adopted, the equipment has a long service life and can improve the heat efficiency, the investment and operation cost of the equipment can be lower, and the novel multi-effect evaporation concentration equipment has higher requirement for the viscose fiber scouring water treatment.
Disclosure of Invention
Aiming at the technical problems existing in the prior art, the invention provides a multi-effect evaporator suitable for viscose fiber spinning scouring water concentration, which can ensure that the treatment of viscose fiber scouring water concentration can be completed under the safe, energy-saving, environment-friendly and high-efficiency evaporation concentration technology.
In order to achieve the purpose, the invention adopts the technical scheme that: a multi-effect evaporator suitable for viscose fiber spinning scouring water concentration comprises multi-effect bodies, each multi-effect body comprises an evaporator main body, and each evaporator main body comprises a heater and a separation chamber connected with the heater; the outlets of the separating chambers of all the effect bodies except the final effect body are connected with the steam inlet of the heater of the next effect body.
The multi-effect evaporator is further improved in that the heater is made of metal materials.
The multi-effect evaporator of the invention is further improved in that the outlet of the separation chamber of the final effect body is connected with a recovery system.
The multi-effect evaporator is further improved in that the vacuum system comprises a condenser and a condensed water tank connected with the outlet of the condenser, and the inlet of the condenser is connected with the outlet of the separation chamber of the final effect body.
The multi-effect evaporator is further improved in that the effect number of the multi-effect body is any one of four effects, five effects, six effects, seven effects or eight effects.
The multi-effect evaporator is further improved by further comprising a steam booster pump connected with the outlet of the separation chamber of at least one effect body, wherein the outlet of the steam booster pump is connected with the steam inlet of the heater of the first-stage effect body.
The multi-effect evaporator is further improved in that the inlet of the steam booster pump is connected with the outlet of the separation chamber of any one effect body of the first stage, the second stage or the third stage.
A further improvement of the multiple effect evaporator of the present invention is that the steam booster pump is provided with a second inlet which is connected in use to the output line for live steam.
The multi-effect evaporator is further improved in that the heater of the first stage effect body is provided with a steam inlet which is connected with a fresh steam output pipeline when in use.
In a further improvement of the multiple effect evaporator of the present invention, the evaporator further comprises at least one preheater connected to at least one of said heaters by a steam line.
The multi-effect evaporator is further improved in that the number of the preheaters is multiple, each stage of the heaters except the final effect body is connected to one preheater through a steam pipeline, the preheaters are connected in series step by step, and the final preheater is connected with the heater of the first effect body.
Due to the adoption of the technical scheme, the invention has the following technical effects:
the invention adopts a multi-effect evaporation and concentration mode, can be used for concentrating and evaporating viscose fiber scouring water with different concentrations and different boiling points in operation under different operation conditions, can ensure that the treatment of viscose fiber scouring water concentration can effectively realize the complete recycling of evaporated water and the complete recycling of concentrated acid liquor, simultaneously ensures that the full utilization of heat energy can be realized by adopting a multi-effect evaporation and concentration technology, and simultaneously ensures that equipment has longer service life and can improve heat efficiency because a heater is made of a metal material instead of a traditional graphite material, thereby the treatment of viscose fiber scouring water concentration can be completed under the safe, energy-saving, environment-friendly and high-efficiency evaporation and concentration technology.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic diagram of an overall embodiment of a multiple effect evaporator suitable for viscose fiber spin scouring water concentration in accordance with the present invention.
Fig. 2 to 5 are schematic diagrams of four heat source steam supply modes of the multi-effect evaporator of the present invention, wherein fig. 2 shows a TVR heat source supplement mode with I-effect, fig. 3 shows a TVR heat source supplement mode with II-effect, fig. 4 shows a TVR heat source supplement mode with III-effect, and fig. 5 shows a fresh steam heat source directly.
Fig. 6 to 7 are schematic diagrams of two discharging modes of the multi-effect evaporator of the invention, wherein fig. 6 shows a penultimate discharging mode, and fig. 7 shows a last discharging mode.
The correspondence of reference numerals is as follows:
1-an I-effect heater; 2-I effect separation chamber; 3-II effect heaters; 4-II effect separation chamber; 5-III effect heaters; 6-III effect separation chamber; 7-IV effect heaters; 8-IV effect separation chamber; a 9-V effect heater; a 10-V effect separation chamber; 11-VI effect heater; a 12-VI effect separation chamber; 13-VII effect heater; 14-VII effect separation chamber; 15-condensation water tank; 16-a condenser; 17-a steam booster pump; 18-primary preheater; 19-a secondary preheater; 20-a tertiary preheater; 21-a four-stage preheater; 22-five stage preheater; 23-a six stage preheater; 24-a discharge pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a multi-effect evaporator suitable for viscose fiber spinning scouring water concentration. Each evaporator main body comprises a heater and a separation chamber connected with the heater. The heater is preferably made of metal materials, and compared with a heat exchanger made of traditional graphite materials, the heater has the advantages that the service life of the equipment is longer, and the heat efficiency can be improved. The viscose fiber wool scouring water is sequentially subjected to multiple times of evaporation and concentration in the multi-effect evaporator main body to reach the required concentration, and the concentrated acid liquor reaching the required concentration is finally discharged from the ineffective evaporator main body or the inferior final effect evaporator main body. In order to realize the technical effect, the outlets of the separation chambers of the evaporator bodies of the multiple-effect evaporator bodies except the last-effect evaporator body are connected with the steam inlet of the heater of the next-effect evaporator body. The outlet of the separation chamber of the last effect evaporator body can be connected to a vacuum system, which can include a condenser, a condensate tank connected to the outlet of the condenser, and an inlet of the condenser connected to the outlet of the separation chamber of the last effect evaporator body. The effect number of the evaporator main body of the multi-effect evaporator can be any one of four effects, five effects, six effects, seven effects or eight effects.
Referring to fig. 1, an embodiment of a seven-effect evaporator is shown, comprising, in order from left to right: the device comprises an I-effect heater 1, an I-effect separation chamber 2, an II-effect heater 3, an II-effect separation chamber 4, an III-effect heater 5, an III-effect separation chamber 6, an IV-effect heater 7, an IV-effect separation chamber 8, a V-effect heater 9, a V-effect separation chamber 10, a VI-effect heater 11, a VI-effect separation chamber 12, a VII-effect heater 13, a VII-effect separation chamber 14, a condensed water tank 15 and a condenser 16.
A steam booster pump (TVR)17 is arranged in front of the I-effect heater 1, the steam booster pump (TVR)17 is provided with two steam inlets, one steam inlet is connected with a fresh steam output pipeline, the other steam inlet is connected with a steam outlet of the I-effect separation chamber 2, an outlet of the steam booster pump (TVR)17 is connected with a steam inlet of the I-effect heater 1, and secondary steam evaporated from the I-effect separation chamber 2 can be pumped out by the steam booster pump (TVR)17 to be mixed with fresh steam and then enter the I-effect heater 1 to serve as a supplementary steam system.
Specifically, referring to fig. 1, the seven-effect evaporator comprises seven effect bodies, wherein the first effect body is used for the first evaporation and concentration of viscose fiber scouring water and comprises an I-effect heater 1 and an I-effect separation chamber 2 connected with the I-effect heater 1; the second effect body is used for the second evaporation and concentration of viscose fiber scouring water and comprises a II-effect heater 3 connected with the I-effect separation chamber 2 and a II-effect separation chamber 4 connected with the II-effect heater 3; the third effect body is used for the third evaporation and concentration of viscose fiber scouring water and comprises a III-effect heater 5 connected with a II separation chamber 4 and a III-effect separation chamber 6 connected with the III-effect heater 5; the fourth effect is used for fourth evaporation and concentration of viscose fiber scouring water and comprises an IV effect heater 7 connected with the III effect separation chamber 6 and an IV effect separation chamber 8 connected with the IV effect heater 7; the fifth effect is used for fifth evaporation and concentration of viscose fiber scouring water and comprises a V-effect heater 9 connected with an IV-effect separation chamber 8 and a V-effect separation chamber 10 connected with the V-effect heater 9; the sixth effect is used for the sixth evaporation and concentration of the viscose fiber scouring water and comprises a VI effect heater 11 connected with a V effect separation chamber 10 and a VI effect separation chamber 12 connected with the VI effect heater 11; the seventh effect is used for the seventh evaporation and concentration of viscose fiber scouring water and comprises a VII effect heater 13 connected with a VI effect separation chamber 12 and a VII effect separation chamber 14 connected with the VII effect heater 13. It should be understood that in other embodiments of the multi-effect evaporator of the present invention, the number of effects of the effect body can be increased or decreased appropriately, but at least not less than four effects. One inlet of the steam booster pump 17 is connected with the outlet of the I-effect separation chamber 2, the other inlet is connected with a fresh steam source, and the outlet of the steam booster pump 17 is connected with the steam inlet of the I-effect heater 1.
Part (or all) of the secondary steam evaporated by the first effect body enters the steam booster pump 17 and then is sent back to the I-effect heater 1 to be used as heating steam, the other part (or all) of the secondary steam enters the II-effect heater 3 to be used as a heating heat source, and condensed water after the heat exchange of the heating heat source is completed is collected to a condensed water tank; and secondary steam evaporated by the second and third (or more) effect bodies is sent to the third and fourth (or more) effect heaters through the communicating pipe to be used as heating heat sources, and condensed water after the heat sources finish heat exchange is collected into a condensed water tank and then is discharged by a pump.
The invention is suitable for the I-effect heater 1 of the first effect body of the multi-effect evaporator for concentrating viscose fiber spinning scouring sluicing water, the feed inlet of the I-effect heater 1 is provided with a set of feed flow control system, the feed flow control system comprises a flow sensor and an automatic regulating valve (or a pump with variable frequency control of flow), the opening degree of the automatic regulating valve (or the flow of the pump with variable frequency control of flow) is automatically regulated and controlled according to the flow value set by the flow sensor, the set value of the flow sensor is set according to the rated required feed amount of the I-effect heater 1, the multi-effect evaporator suitable for concentrating viscose fiber spinning sluicing water is also connected with a set of electric control cabinet, the automatic regulating valve (or the pump with variable frequency control of flow) and the flow sensor and the automatic program control system of the electric control cabinet form a feed automatic control system, and the control ends of the automatic program control system are positioned in the control cabinet, the control cabinet is provided with an Ethernet interface for communication connection with a central control room.
The feed inlet of the II-effect heater 3 of the second effect body of the multi-effect evaporator suitable for viscose fiber spinning scouring water concentration is provided with a two-effect differential pressure liquid level balancing device, the two-effect differential pressure liquid level balancing device can automatically balance overfeeding according to the liquid level and differential pressure of the two effect bodies, and the differential pressure liquid level balancing device can also be replaced by a liquid level transmitter and a regulating valve or a pump controlled by frequency conversion.
The feed inlet of the III-effect heater 5 of the third (four, five or more) effect bodies of the multi-effect evaporator suitable for viscose fiber spinning scouring water concentration is provided with two-three (three-four or more) effect differential pressure liquid level balancing devices, the two-three (three-four or more) effect differential pressure liquid level balancing devices can automatically balance overfeeds according to the liquid level and the differential pressure of the two-three (three-four or more) effects, and the differential pressure liquid level balancing devices can also be replaced by liquid level transmitters and regulating valves or variable frequency control pumps.
The concentrated solution discharge port of the VII-effect heater 13, which is an ineffective body of the multi-effect evaporator suitable for viscose fiber spinning scouring water concentration, is provided with a set of discharge flow control system, the discharge flow control system comprises a concentration sensor and an automatic valve, concentrated solution reaching a concentration value is sent out, and feed liquid not reaching the concentration value is recovered. The multi-effect evaporator suitable for viscose fiber spinning scouring water concentration is also connected with a set of automatic control cabinet, the automatic valve, the concentration sensor and an automatic program control system of the automatic control cabinet form an automatic discharging control system, and control ends of the automatic discharging control system and the automatic program control system are positioned in the automatic control cabinet.
The supplementary heating steam inlet (namely the steam inlet connected with the outlet of the steam booster pump 17) of the I-effect heater 1 of the multi-effect evaporator suitable for viscose fiber spinning scouring sluicing water concentration is provided with an automatic regulating valve and a pressure transmitter or a temperature transmitter, the opening degree of the automatic regulating valve is automatically regulated and controlled according to the set value of the pressure transmitter or the temperature transmitter, the set value of the pressure transmitter or the temperature transmitter is set according to the design operation parameters of the multi-effect evaporator suitable for viscose fiber spinning sluicing water concentration and is corrected and set according to the parameters during the actual operation of equipment, the multi-effect evaporator suitable for viscose fiber spinning sluicing water concentration is also connected with a set of automatic control cabinet, the automatic regulating valve, the pressure transmitter and the temperature transmitter and the automatic program control system of the automatic control cabinet form a heating automatic control system, the heating control system, The control end of the automatic program control system is positioned in the control cabinet.
In the above embodiment of the seven-effect evaporator, the steam gas source utilizes 1 steam booster pump (TVR)17, and the secondary steam evaporated from the separation chamber of the second effect body is pumped out by the steam booster pump (TVR)17 to be mixed with the fresh steam and then enter the heater shell of the first effect, as shown in fig. 2, besides this way, the embodiment of the present invention also provides another three ways of entering the steam heat source:
the first method comprises the following steps: the live steam directly enters the shell layer of the first effect heater to be used as a heat source, namely, a steam booster pump (TVR) is not needed, and in the moment, a steam inlet of the first effect heater is directly connected with an output pipeline of the live steam, as shown in fig. 5.
And the second method comprises the following steps: the secondary steam evaporated from the second effect separation chamber 4 of the second effect body is extracted by using 1 steam booster pump (TVR)17 and mixed with fresh steam by the steam booster pump (TVR)17, and then enters the shell of the first effect heater 1, as shown in fig. 3.
And the third is that: the secondary steam evaporated from the second-effect separation chamber 4 of the third effect body is extracted by using 1 steam booster pump (TVR)17 and mixed with fresh steam by the steam booster pump (TVR)17, and then enters the shell of the first-effect heater 1, as shown in fig. 4.
It is easy to think that on the basis of the above three steam heat source entering modes provided by the invention, the heat source can be obtained by analogy, 1 or more steam booster pumps (TVR) are utilized to extract the secondary steam evaporated from three (or more) effect materials to mix with the fresh steam and then enter the heater shell layer of the first effect, namely, the steam booster pumps (TVR) can extract the secondary steam evaporated from the materials in any one, two or even more effect bodies and mix with the fresh steam (when the steam is enough, the fresh steam does not need to be introduced additionally, only the heat source is stripped by the secondary steam), the number of the steam booster pumps (TVR) is not limited, and a plurality of the steam booster pumps can work simultaneously.
In the above embodiment of the seven-effect evaporator, the discharging position discharges the concentrated material in the last effect body (i.e. the last effect VII), the VII heater 13 of the last effect body and the bottom discharging port of the VII separating chamber 14 are connected by a pipe, and the discharging mode is specifically: an outlet pipe 24, namely an outlet pipe 24 shown in fig. 7, is further connected to the pipeline connecting the outlets of the VII effect heater 13 and the VII effect separation chamber 14 of the final effect body, and is connected to an outlet system or the next stage process through the outlet pipe 24, as shown in fig. 7. In addition, the multi-effect evaporator suitable for viscose fiber spinning scouring water concentration of the invention can also arrange the discharging position at the position of the penultimate effect body, namely the penultimate effect body, and connect the discharging pipe 24 to the pipeline connected with the discharging ports of the VI effect heater 11 and the VI effect separation chamber 12 of the penultimate effect body, which is shown in fig. 6.
Preferably, in the embodiment of the invention, which is suitable for the multi-effect evaporator for concentrating viscose fiber spinning scouring sluicing water, the evaporator further comprises at least one preheater which is connected with at least one heater through a steam pipeline. With continued reference to fig. 1, in the present embodiment, the number of the preheaters is six, and the preheaters are respectively a first-stage preheater 18, a second-stage preheater 19, a third-stage preheater 20, a fourth-stage preheater 21, a fifth-stage preheater 22 and a sixth-stage preheater 23 (or more), and each stage of the preheaters except the final stage effect body is connected to one preheater through a steam pipe. And, in the multi-stage preheater, the preheating outlets of the preheaters of each stage except for the final stage preheater, i.e., the six-stage preheater 23, are connected to the preheating inlet of the preheater of the next stage, and the preheating outlet of the final stage preheater, i.e., the six-stage preheater 23, is connected to the heater of the primary effect body, i.e., the I-stage heater 1.
Each preheater uses the steam (generally, the secondary steam evaporated from the material) of the heater of the corresponding effect as a heat source, the steam temperature of each preheater is the same as that of the heater of the corresponding effect, the preheaters heat the material, and each preheater raises the material temperature a little until the material temperature of the last preheater (i.e., the six-stage preheater 23) is close to the material temperature in the first heater (i.e., the I-stage heater 1). The multi-stage preheater generally uses secondary steam evaporated from the material, and the purpose of using the multi-stage preheater is to further reduce the fresh steam consumption of the whole plant. In addition, when the multi-stage preheater is not configured, the multi-effect evaporator can be normally used, and only the consumption of fresh steam can be greatly increased.
The invention adopts the technical proposal of multi-effect evaporation and concentration, can be used for the concentration and evaporation of viscose fiber wool scouring water with different concentrations and different boiling points under different operating conditions during operation, can effectively guarantee the applicability of multi-effect evaporation concentration of viscose fiber scouring water concentration, can effectively recycle the evaporated water and the concentrated acid liquor in the concentration treatment of viscose fiber scouring water, simultaneously ensures that the multi-effect evaporation concentration technology can be adopted to achieve the full utilization of heat energy, simultaneously, the metal material is adopted to replace the traditional graphite material to make the heater, so the equipment has longer service life and can improve the heat efficiency, therefore, the treatment of viscose fiber scouring water concentration can be completed by a safe, energy-saving, environment-friendly and efficient evaporation concentration technology.
The parts not involved in the present invention are the same as or can be implemented by the prior art. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (11)
1. The utility model provides a multi-effect evaporator suitable for viscose fiber spin-smelting dashes concentrated of hair water which characterized in that: the evaporator comprises a plurality of stages of effect bodies, wherein each stage of effect body comprises an evaporator main body, and the evaporator main body comprises a heater and a separation chamber connected with the heater; the outlets of the separating chambers of all the effect bodies except the final effect body are connected with the steam inlet of the heater of the next effect body.
2. The multiple-effect evaporator suitable for viscose fiber spinning scouring sluicing water concentration of claim 1, wherein: the heater is made of metal materials.
3. The multiple-effect evaporator suitable for viscose fiber spinning scouring sluicing water concentration of claim 1, wherein: and the outlet of the separation chamber of the final effect body is connected with a vacuum system.
4. The multiple-effect evaporator suitable for viscose fiber spinning scouring sluicing water concentration of claim 3, wherein: the vacuum system comprises a condenser and a condensed water tank connected with the outlet of the condenser, and the inlet of the condenser is connected with the outlet of the separation chamber of the final effect body.
5. The multiple-effect evaporator suitable for viscose fiber spinning scouring sluicing water concentration of claim 1, wherein: the effect number of the multi-stage effect body is any one of four effects, five effects, six effects, seven effects or eight effects.
6. The multiple-effect evaporator suitable for viscose fiber spinning scouring sluicing water concentration of claim 1, wherein: the steam booster pump is connected with the outlet of the separation chamber of at least one effect body, and the outlet of the steam booster pump is connected with the steam inlet of the heater of the first-stage effect body.
7. The multiple-effect evaporator suitable for viscose fiber spinning scouring sluicing water concentration of claim 6, wherein: and the inlet of the steam booster pump is connected with the outlet of the separation chamber of any one of the first-stage, second-stage or third-stage effect bodies.
8. The multiple-effect evaporator suitable for viscose fiber spinning scouring sluicing water concentration of claim 1, wherein: the heater of the first stage effect body is provided with a steam inlet which is connected with an output pipeline of fresh steam when in use.
9. The multiple-effect evaporator suitable for viscose fiber spinning scouring sluicing water concentration of claim 1, wherein: and the discharging system is connected with a discharging port of the evaporator main body of the final or secondary final effect body.
10. The multiple-effect evaporator suitable for viscose fiber spinning scouring sluicing water concentration of claim 1, wherein: the system also comprises at least one preheater which is connected with at least one heater through a steam pipeline.
11. The multiple-effect evaporator suitable for viscose fiber spinning scouring sluicing water concentration of claim 10, wherein: the number of the preheaters is multiple, all the stage heaters except the final stage effect body are connected to one preheater through steam pipelines, the preheaters are connected in series step by step, and the final stage preheater is connected with the first stage effect body heater.
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| CN109647208A (en) * | 2019-02-02 | 2019-04-19 | 自然资源部天津海水淡化与综合利用研究所 | A kind of energy conservation film distilling seawater desalination system |
| CN210457558U (en) * | 2019-07-02 | 2020-05-05 | 赛恩斯环保股份有限公司 | Sour hot enrichment facility in dirty acid |
| CN213506068U (en) * | 2020-10-23 | 2021-06-22 | 山东瑞琦能源科技有限公司 | Four-effect evaporation concentration system for treating waste water containing calcium chloride |
| CN216023206U (en) * | 2021-07-29 | 2022-03-15 | 上海神农节能环保科技股份有限公司 | Multi-effect evaporator suitable for viscose fiber spinning scouring water concentration |
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2021
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| CN206121195U (en) * | 2016-09-06 | 2017-04-26 | 甘肃蓝科石化高新装备股份有限公司 | Many materials multiple effect evaporation device |
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| CN210457558U (en) * | 2019-07-02 | 2020-05-05 | 赛恩斯环保股份有限公司 | Sour hot enrichment facility in dirty acid |
| CN213506068U (en) * | 2020-10-23 | 2021-06-22 | 山东瑞琦能源科技有限公司 | Four-effect evaporation concentration system for treating waste water containing calcium chloride |
| CN216023206U (en) * | 2021-07-29 | 2022-03-15 | 上海神农节能环保科技股份有限公司 | Multi-effect evaporator suitable for viscose fiber spinning scouring water concentration |
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