CN102008829A - Multi-effect vacuum forced circulation evaporation device and material concentrating method thereof - Google Patents

Multi-effect vacuum forced circulation evaporation device and material concentrating method thereof Download PDF

Info

Publication number
CN102008829A
CN102008829A CN 201010297581 CN201010297581A CN102008829A CN 102008829 A CN102008829 A CN 102008829A CN 201010297581 CN201010297581 CN 201010297581 CN 201010297581 A CN201010297581 A CN 201010297581A CN 102008829 A CN102008829 A CN 102008829A
Authority
CN
China
Prior art keywords
effect
vacuum
forced
circulation
evaporator
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.)
Granted
Application number
CN 201010297581
Other languages
Chinese (zh)
Other versions
CN102008829B (en
Inventor
孙家隆
吴学文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WENZHOU TIANLONG LIGHT INDUSTRY EQUIPMENT Co Ltd
Original Assignee
WENZHOU TIANLONG LIGHT INDUSTRY EQUIPMENT Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by WENZHOU TIANLONG LIGHT INDUSTRY EQUIPMENT Co Ltd filed Critical WENZHOU TIANLONG LIGHT INDUSTRY EQUIPMENT Co Ltd
Priority to CN2010102975811A priority Critical patent/CN102008829B/en
Publication of CN102008829A publication Critical patent/CN102008829A/en
Application granted granted Critical
Publication of CN102008829B publication Critical patent/CN102008829B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The invention discloses a multi-effect vacuum forced circulation evaporation device, belonging to the field of evaporation devices. The multi-effect vacuum forced circulation evaporation device comprises at least two forced circulation evaporators, a condensate drain device and a vacuumizing device, wherein the vacuumizing device is communicated with the forced circulation evaporator and the condensate drain device through pipelines; and a feed valve is arranged on a feed pipeline of the forced circulation evaporator of each effect and is used for controlling the feeding of feed liquid. In the invention, the vacuumizing device is used for realizing the vacuum feeding process of the evaporators, and meanwhile, the feed valve and an emptying valve are arranged on each evaporator of one effect; by means of a mode of closing a vacuum pump, opening the feed valves of the double-effect evaporators and simultaneously opening the emptying valve of the evaporator of the secondary effect, materials of the secondary effect can be absorbed into the primary effect and then are continuously heated and evaporated, and the materials are discharged through a forced circulation pump after the material concentration meets requirements after circulation evaporation. The multi-effect vacuum forced circulation evaporation device is suitable for various evaporators and also suitable for concentrating equipment for various organic solvents.

Description

The method of a kind of vacuum multiple-effect forced-circulation evaporation device and concentrated material thereof
Technical field
The invention belongs to the evaporimeter field, relate in particular to a kind of multi-effect evaporating device that utilizes the vacuum input and output material.
Background technology
At present, evaporimeter is widely used in fields such as chemical industry, pharmacy, food.Multiple-effect forced-circulation evaporation device is that several evaporimeters couple together operation, and the indirect steam that is produced during evaporation in the preceding 1st effective evaporator is as the heating steam of back 1st effective evaporator.Owing to repeatedly reused heat energy, reduced the heat energy consumption significantly, between the evaporimeter of each effect and heater, be provided with forced circulation pump simultaneously, improve material by flow velocity, so multiple-effect evaporation helps producing continuously in a large number.
Existing multiple-effect forced-circulation evaporation device generally includes a few effect heaters and vaporization chamber, and gas-liquid separator, condenser, feed pump, discharging pump, vavuum pump and drainage arrangement.Material enters each through feed pump and imitates heater, through forced circulation pump circulating and evaporating between heater and evaporimeter, treat that material concentration reaches desired concn after, by discharging pump material is discharged; The liquid that the condensation of steam by the afterbody vaporization chamber by condenser becomes liquid and flow out by the afterbody heater is discharged after outputing to drainage arrangement jointly.In order to reduce the material boiling point, to increase work efficiency, evaporimeter generally carries out work under vacuum state.The input and output material process of existing evaporimeter needs to realize with feed pump and discharging pump respectively, the production cost height, and slow by the feed pump charging rate, during by the discharging pump discharging, the discharging proportion of each single-effect evaporator is different, and consistency of product is poor.
Chinese patent CN2391876Y discloses a kind of forced-circulation evaporation device that is used to produce calcium lactate, and that this device comprises is at least one, two imitate the forced evaporation devices; Each forced evaporation device all is provided with feed pipe, and described feed pipe communicates with charge pump, elevated bunker; Circulation pipe all is provided with discharging opening in every single-effect evaporator, all communicates with discharging pump.Feed liquid by preceding workshop section at first enters in the elevated bunker, send into respectively in each single-effect evaporator via charge pump, through forced circulation, feed liquid reaches desired concn, one imitates, and two imitate feed liquid can directly enter stock chest, treats that the triple effect feed liquid reaches desired concn, unlatching triple effect discharging pump is counter to be sent in the two effect evaporator tanks, finally imitates heating back dischargings by two.The input and output material of this device feeds in raw material and discharge with charge pump and discharging pump respectively, simultaneously, and when this device passes through the discharging pump discharging, one imitates and the direct discharge of 2nd effect evaporator, because it is different that an effect, two is imitated the discharging proportions, homogeneity of product is poor, can not reach the production requirement of product.
Summary of the invention
Technical problem to be solved by this invention is that multi-effect evaporating device discharging homogeneity of product of the prior art is poor, feed pump and discharging pump need be set, equipment cost height, baroque problem in the discharging of the charging simultaneously process.
For achieving the above object, the invention provides a kind of vacuum multiple-effect forced-circulation evaporation device, comprise multiple-effect forced-circulation evaporation device and the vacuum extractor that is used to extract gas in the multiple-effect forced-circulation evaporation device, described multiple-effect forced-circulation evaporation device comprises: the charging house steward, and described charging house steward is provided with a charging main valve; At least two imitate the forced-circulation evaporator that is communicated with successively; Every effect forced-circulation evaporator comprises the heater that is communicated with the charging house steward, by the vaporization chamber that circulation pipe is communicated with described heater, the forced circulation pump that is communicated with described circulation pipe, and the discharging opening that is arranged on described circulation pipe bottom; Vaporization chamber top in the described last effect forced-circulation evaporator is provided with steam outlet, and the heater of imitating forced-circulation evaporator by pipeline and back one links to each other; The condensation pumping equipment is communicated with the described steam outlet that last imitates the vaporization chamber top of forced-circulation evaporator, is used for steam condensation and discharging; Be provided with the vacuum control valve that is used to control the vacuum extractor break-make between described vacuum extractor and the described multiple-effect forced-circulation evaporation device; The feed pipe of the forced-circulation evaporator of described each effect is provided with inlet valve, is used to control the turnover of feed liquid; The forced-circulation evaporator of described each effect is provided with the blowdown piping that is communicated with atmosphere, and described blowdown piping is provided with the atmospheric valve of control piper break-make.
Described multiple-effect forced-circulation evaporation device comprises gas-liquid separation device, imitates forced-circulation evaporator with described last and is communicated with, and realizes the discharge of the liquid-vapor mixture in the heater; The import of described gas-liquid separation device is connected with last heater of imitating forced-circulation evaporator, receive the gas liquid mixture of described heater, described gas-liquid separator top is located in the outlet one tunnel of described gas-liquid separator, be connected by the condenser of indirect steam pipeline with described condensation pumping equipment, one the road is located at described gas-liquid separator bottom, is communicated with the pumping equipment of described condensation pumping equipment.
Described condensation pumping equipment comprises condenser; The upper end of described condenser is communicated with vacuum chamber, and described vacuum chamber imitates the forced-circulation evaporator steam outlet with described last and described vacuum extractor is communicated with; Be subjected to flow container, its upper end is communicated with described condenser and described water separator; Pumping equipment, described pumping equipment is communicated with the described flow container that is subjected to, and discharged by the condensate liquid in the flow container with described; Described pumping equipment comprises self-priming positive displacement pump; The import of described self-priming positive displacement pump communicates by connecting pipe with the described liquid outlet of flow container that is subjected to, and described fluid pipeline is provided with inlet check valve; Described self-priming discharge opeing delivery side of pump communicates with atmosphere through the fluid pipeline; Described fluid pipeline is provided with outlet non-return valve, and described inlet check valve is provided with direction and is used for preventing that liquid from flowing into the described flow container that is subjected to, and outlet non-return valve is provided with direction and is used for preventing that liquid from flowing back to described self-priming positive displacement pump.
Described vacuum control valve is arranged at described vacuum chamber and described last imitated on the pipeline between forced-circulation evaporator steam outlet.
The bottom of the input duct of described every effect forced circulation pump is provided with vacuum sampler, and described vacuum sampler comprises logical material valve, blow-off valve and is connected in logical sample box of expecting between valve and the blow-off valve; Described logical material valve and blow-off valve are controlled the break-make of described vacuum sampler.
Connecting pipeline between described every effect heater and the vaporization chamber is tangentially to enter described vaporization chamber along described vaporization chamber inwall.
Be provided with stainless steel cloth in the steam discharge pipe of described every effect vaporization chamber top.
Described vaporization chamber is provided with visor and following visor, and described visor down is arranged in the described vaporization chamber, and apart from heater spray mouth center line upper end 100-150mm; The described distance that goes up visor under the visor distance is more than 0.5 meter or is positioned at the vaporization chamber side top.
The present invention provides a kind of method that vacuum multiple-effect forced-circulation evaporation device concentrates material of using simultaneously, it is characterized in that: may further comprise the steps,
A. vacuum feed: open vavuum pump, open vacuum control valve after, open the inlet valve of charging main valve and each single-effect evaporator, treat that material reaches entry level after, close the charging main valve, finish fill process;
B. concentration and evaporation circulates: open forced circulation pump, the material of each single-effect evaporator begins circulating and evaporating;
C. discharging:
1) when the concentration of multi-effect evaporator material reaches requirement respectively, closes vacuum control valve, open the atmospheric valve of every single-effect evaporator, open forced circulation pump respectively, material is discharged respectively through discharging opening;
When 2) current 1st effective evaporator material concentration reaches requirement then the concentration of 1st effective evaporator material does not reach requirement, close vacuum control valve, the atmospheric valve of 1st effective evaporator is opened last effect forced circulation pump before opening, and through discharging opening last effect material is discharged; Treat that last effect material drains, open vacuum control valve, two inlet valves of imitating before and after opening are opened the atmospheric valve that imitate back one, and the material of back 1st effective evaporator behind the 1st effective evaporator, is closed the atmospheric valve of last effect inlet valve and back 1st effective evaporator before the charging house steward sucks; Open the forced circulation pump circulating and evaporating, after concentration reaches requirement, material is discharged;
The steam that said process produces is discharged by self-priming positive displacement pump after the condensation of condensation pumping equipment.
The steam of 1st effective evaporator enters in the tubulation of heater of back 1st effective evaporator via the vapour-discharge tube road before among the described step b.
The described material concentration of step c is to detect by described vacuum sampler to obtain.
The described entry level of step a is the distance downward 300-400mm in visor center down.
The present invention has following advantage:
1, the present invention has realized the charging of vaporising device by the vacuum of vavuum pump, has saved a feed pump, has reduced production cost, and charging rate improves.Since behind the multi-effect evaporating device effect with the steam of last effect as thermal source, the evaporation efficiency that imitate back one is compared last effect and is reduced, ordinary circumstance bottom discharge concentration difference, homogeneity of product is poor, the present invention is provided with inlet valve at each single-effect evaporator, atmospheric valve, by closing vavuum pump, the inlet valve of opening the two-effect evaporation device is opened the mode of the atmospheric valve of back 1st effective evaporator simultaneously, after continuing heating evaporation after the material suction one that back one can be imitated is imitated, after material concentration reaches requirement after the circulating and evaporating, material is discharged, homogeneity of product is improved by forced circulation pump, save discharging pump simultaneously, reduced production cost.
2, the connecting pipeline between heater of the present invention and the vaporization chamber is tangentially to enter described vaporization chamber along described vaporization chamber inwall, when material sprays, cut through rotation along the vaporization chamber inwall, can alleviate the impact of material to vaporization chamber, naturally rotate after making material enter vaporization chamber, and form whirlpool, eliminate most of foam, and materials such as solid and powder are evenly distributed, prevent precipitation.
3, vacuum liquid sampler of the present invention is made of two ball valves and the sample box between two ball valves, valve above under vacuum state, opening, material can enter in the sample box automatically, close top ball valve, open following ball valve, can emit the material of sample box, need not discharge vacuum, convenient sampling.
Description of drawings
Figure 1 shows that the structure chart of vacuum two effect forced-circulation evaporation devices;
Figure 2 shows that the vertical view of vacuum two effect forced-circulation evaporation devices;
Figure 3 shows that the structural representation of vacuum sampler.
Reference numeral is expressed as among the figure:
1,1 '-heater 2,2 '-vaporization chamber 3-forced circulation pump 4-condensing unit 5-drainage arrangement 6-vacuum chamber 7-vacuum sampler 8-gas-liquid separator 9-vacuum extractor 10-goes up visor 20-charging house steward 21-circulation pipe 22-discharging opening 23 under the visor 11-, 23 '-steam outlet 30,30 '-inlet valve 31,31 '-atmospheric valve 32-vacuum control valve 33-charging main valve 40-forced-circulation evaporator 41-condensation pumping equipment 51-are subjected to the logical material of the self-priming positive displacement pump 53-of flow container 52-connecting pipe 54-inlet check valve 55-fluid pipeline 56-outlet non-return valve 71-valve 72-sample box 73-blow-off valve
The specific embodiment
Below with reference to accompanying drawing, use following examples that the present invention is further set forth.
Embodiment 1
Fig. 1 Figure 2 shows that vacuum two imitates the structure chart of forced-circulation evaporation devices, and with reference to Fig. 1, this device comprises that two imitate the forced-circulation evaporation devices and are used to extract the vacuum extractor 9 of gas in the multiple-effect forced-circulation evaporation device.Described forced-circulation evaporation device comprises two circulating evaporators, each forced-circulation evaporator all comprises the heater 1 that is communicated with charging house steward 20, the vaporization chamber 2 and the forced circulation pump 3 that are communicated with described heater 1 by circulation pipe 21, and the discharging opening 22 that is arranged on the circulation pipe bottom; The described one vaporization chamber 2 ' top of imitating in the forced-circulation evaporator is provided with steam outlet 23, links to each other with two heaters 1 ' of imitating forced-circulation evaporator by pipeline.Described vaporization chamber 2,2 ' top is provided with stainless steel cloth, because the cylindrical shell of vaporization chamber 2 is than higher, frothy material rotates the foam that disappears by jib, most of foam cleans, the material that bubbles can not rotate naturally by indirect steam and remove all foams especially easily, can remove foam fully by described stainless steel cloth.Described vaporization chamber is provided with visor 10 and following visor 11.By observing visor 11 down, determine the suction head of material during charging, last visor 10 is used to observe the degree of vaporization chamber inner foam.Described visor 11 down is arranged in the described vaporization chamber, and apart from heater spray mouth center line upper end 100-150mm; The described distance that goes up visor 11 under visor 10 distances is more than 0.5 meter or is positioned at the vaporization chamber side top.
Described charging house steward 20 is provided with a charging main valve 33, is arranged at the upstream of the inlet valve 30 of an effect forced-circulation evaporator.Described one forced-circulation evaporator 40 of imitating is provided with the blowdown piping that is communicated with atmosphere, described blowdown piping is provided with the atmospheric valve 31 of control piper break-make, two forced-circulation evaporators of imitating are provided with the blowdown piping that is communicated with atmosphere, and described blowdown piping is provided with the atmospheric valve 31 ' of control piper break-make.Described one feed pipe of imitating forced-circulation evaporator is provided with inlet valve 30, is used to control entering of feed liquid.Two feed pipes of imitating forced-circulation evaporator are provided with inlet valve 30 ', are used to control entering of feed liquid.With reference to Fig. 2, the connecting pipeline between described heater 1 and the vaporization chamber 2 is tangentially to enter described vaporization chamber along described vaporization chamber inwall.When material sprays, cut through rotation, can alleviate the impact of material, make material enter rotation naturally behind the vaporization chamber, and form whirlpool, eliminate most of foam, and materials such as solid and powder are evenly distributed, prevent to precipitate vaporization chamber along the vaporization chamber inwall.
This forced-circulation evaporation device also comprises condensation pumping equipment 41, and condensation pumping equipment 41 comprises condenser 4; The upper end of described condenser 4 is communicated with vacuum chamber 6, and described vacuum chamber 6 imitates forced-circulation evaporator steam outlet 23 ' with described last and described vacuum extractor 9 is communicated with; Be subjected to flow container 51, its upper end is communicated with described condenser 4 and described water separator 8; Pumping equipment, described pumping equipment is communicated with the described flow container 51 that is subjected to, and discharged by the condensate liquid in the flow container 51 with described; Described pumping equipment comprises self-priming positive displacement pump 52; The import of described self-priming positive displacement pump 52 communicates by connecting pipe 53 with the described liquid outlet of flow container 51 that is subjected to, and described fluid pipeline 55 is provided with inlet check valve 54; The outlet of described self-priming positive displacement pump 52 communicates with atmosphere through fluid pipeline 55; Described fluid pipeline 55 is provided with outlet non-return valve 56, and described inlet check valve 54 is provided with direction and is used for preventing that liquid from flowing into the described flow container 51 that is subjected to, and outlet non-return valve 56 is provided with direction and is used for preventing that liquid from flowing back to described self-priming positive displacement pump 52.
This forced-circulation evaporation device also comprises gas-liquid separation device 8, the import of described gas-liquid separation device 8 is connected with last heater 1 ' of imitating forced-circulation evaporator, receive the gas liquid mixture of described heater 1 ', described gas-liquid separator 8 tops are located in the outlet one tunnel of described gas-liquid separator 8, be connected with the condenser 4 of described condensation pumping equipment 41 by the indirect steam pipeline, one the road is located at described gas-liquid separator 8 bottoms, is communicated with the pumping equipment 5 of described condensation pumping equipment 41.
Described vacuum extractor 9 is communicated with steam outlet 23 ' and the condensation pumping equipment 41 that two of forced-circulation evaporation device is imitated vaporization chamber 2 ', is provided with the vacuum control valve 32 that is used to control the vacuum extractor break-make between described vacuum extractor 9 and the described multiple-effect forced-circulation evaporation device; Described vacuum control valve 32 is arranged at described vacuum chamber 6 and described last imitated on the pipeline between forced-circulation evaporator steam outlet 23 '.Forced-circulation evaporator is provided with the blowdown piping that is communicated with atmosphere, and described blowdown piping is provided with the atmospheric valve 31 of control piper break-make.
Figure 3 shows that the structural representation of vacuum sampler; Described vacuum sampler 7 comprises logical material valve 71 and is connected in logical sample box 72 of expecting between valve 71 and the blow-off valve 72; Described and blow-off valve 72 is controlled the break-make of described vacuum sampler 7.Above under vacuum state, opening, material can enter in the sample box 72 automatically, closes top logical material valve 71, opens following blow-off valve 73, can emit the material of sample box 72.
When using above-mentioned vacuum multiple-effect forced-circulation evaporation device and concentrating material, may further comprise the steps,
A. vacuum feed: open vavuum pump 6, after opening vacuum control valve 32, open the inlet valve 30 of charging main valve 33 and each single-effect evaporator, 30 ', material to be treated is drawn onto heater tubulation coverage 80% or under the following visor center behind the 300-400mm place, close charging main valve 33, finish fill process;
B. concentration and evaporation circulates: open forced circulation pump 3, the material of each single-effect evaporator begins circulating and evaporating; The thermal source of conduct back 1st effective evaporator in the tubulation of the heater of 1st effective evaporator after the steam of preceding 1st effective evaporator enters via the vapour-discharge tube road;
C. discharging:
When 1) after the concentration of multi-effect evaporator material detects through vacuum sampler 7, reaching requirement respectively, close vacuum control valve 32, open the atmospheric valve 31 of every single-effect evaporator, 31 ', make whole device be in atmospheric pressure state, open forced circulation pump 3 respectively, 3 ', through discharging opening 22,22 ' discharges material respectively;
2) since the efficient of 2nd effect evaporator less than the 1st effective evaporator height, most applications is that the 1st effective evaporator material reaches requirement, and 2nd effect evaporator does not also meet the requirements of concentration, at first close vacuum control valve 32 this moment, open the atmospheric valve 31 of 1st effective evaporator, open one and imitate forced circulation pump 3, imitate material through discharging opening 22 with one and discharge; Treat that an effect material drains, open vacuum control valve 32, two inlet valves 30 of imitating before and after opening, 30 ', this moment, 1st effective evaporator was a negative pressure state, and 2nd effect evaporator is an atmospheric pressure state, the material of 2nd effect evaporator sucks 1st effective evaporator, open two atmospheric valves 31 ' of imitating, the material of 2nd effect evaporator is closed an effect inlet valve 30 1 effects and is stopped charging after the charging house steward sucks 1st effective evaporator, close atmospheric valve 31 ', open material that forced circulation pump 3, two imitates circulating and evaporating again in imitates, detect through vacuum sampler 7, after concentration reaches requirement, close vavuum pump 6, open one and imitate forced circulation pump 3, material is discharged through discharging opening 22;
The steam that said process produces is discharged by self-priming positive displacement pump 52 after 41 condensations of condensation pumping equipment.
Though the present invention elaborates it by the specific embodiment; but; the any form that does not exceed the claim protection domain that those skilled in the art should be understood that on this basis to be made and the variation of details all belong to invention which is intended to be protected.

Claims (12)

1. a vacuum multiple-effect forced-circulation evaporation device comprises multiple-effect forced-circulation evaporation device and the vacuum extractor that is used to extract gas in the multiple-effect forced-circulation evaporation device, and described multiple-effect forced-circulation evaporation device comprises:
Charging house steward (20), described charging house steward (20) are provided with a charging main valve (33);
At least two imitate the forced-circulation evaporator (40) that is communicated with successively; Every effect forced-circulation evaporator (40) comprises the heater (1) that is communicated with charging house steward (20), the vaporization chamber (2) that is communicated with described heater (1) by circulation pipe (21), the forced circulation pump (3) that is communicated with described circulation pipe (21), and the discharging opening (22) that is arranged on described circulation pipe (21) bottom; Vaporization chamber (2) top in the described last effect forced-circulation evaporator is provided with steam outlet (23), and the heater (1 ') of imitating forced-circulation evaporator by pipeline and back one links to each other;
Condensation pumping equipment (41) is communicated with the described steam outlet (23 ') that last imitates vaporization chamber (the 2 ') top of forced-circulation evaporator, is used for steam condensation and discharging;
Its feature is being:
Be provided with the vacuum control valve (32) that is used to control the vacuum extractor break-make between described vacuum extractor (9) and the described multiple-effect forced-circulation evaporation device;
The feed pipe of the forced-circulation evaporator of described each effect (40) is provided with inlet valve (30), is used to control the turnover of feed liquid;
The forced-circulation evaporator of described each effect (40) is provided with the blowdown piping that is communicated with atmosphere, and described blowdown piping is provided with the atmospheric valve (31) of control piper break-make.
2. vacuum multiple-effect forced-circulation evaporation device according to claim 1 is characterized in that:
Also comprise gas-liquid separation device (8), imitate forced-circulation evaporator with described last and be communicated with, realize the discharge of the liquid-vapor mixture in the heater;
The import of described gas-liquid separation device (8) is connected with last heater (1 ') of imitating forced-circulation evaporator, receive the gas liquid mixture of described heater (1 '), described gas-liquid separator (8) top is located in the outlet one tunnel of described gas-liquid separator (8), be connected with the condenser (4) of described condensation pumping equipment (41) by the indirect steam pipeline, one the road is located at described gas-liquid separator (8) bottom, is communicated with the pumping equipment (5) of described condensation pumping equipment (41).
3. vacuum multiple-effect forced-circulation evaporation device according to claim 1 and 2 is characterized in that:
Described condensation pumping equipment (41) comprises,
Condenser (4); The same vacuum chamber in upper end (6) of described condenser (4) is communicated with, and described vacuum chamber (6) imitates forced-circulation evaporator steam outlet (23 ') with described last and described vacuum extractor (9) is communicated with;
Be subjected to flow container (51), its upper end is communicated with described condenser (4) and described water separator (8);
Pumping equipment, described pumping equipment is communicated with the described flow container (51) that is subjected to, and discharged by the condensate liquid in the flow container (51) with described; Described pumping equipment comprises self-priming positive displacement pump (52);
The import of described self-priming positive displacement pump (52) communicates by connecting pipe (53) with the described liquid outlet of flow container (51) that is subjected to, and described fluid pipeline (55) is provided with inlet check valve (54); The outlet of described self-priming positive displacement pump (52) communicates with atmosphere through fluid pipeline (55); Described fluid pipeline (55) is provided with outlet non-return valve (56), described inlet check valve (54) is provided with direction and is used for preventing that liquid from flowing into the described flow container (51) that is subjected to, and outlet non-return valve (56) is provided with direction and is used for preventing that liquid from flowing back to described self-priming positive displacement pump (52).
4. according to the arbitrary described vacuum multiple-effect forced-circulation evaporation device of claim 1-3, it is characterized in that:
Described vacuum control valve (32) is arranged at described vacuum chamber (6) and described last imitated on the pipeline between forced-circulation evaporator steam outlet (23 ').
5. according to the arbitrary described vacuum multiple-effect forced-circulation evaporation device of claim 1-4, it is characterized in that:
The bottom of the input duct of described every effect forced circulation pump is provided with vacuum sampler (7), and described vacuum sampler (7) comprises logical material valve (71), blow-off valve (73) and is connected in logical sample box (72) of expecting between valve (71) and the blow-off valve (72); Described logical material valve (71) and blow-off valve (72) are controlled the break-make of described vacuum sampler (7).
6. according to the arbitrary described vacuum multiple-effect forced-circulation evaporation device of claim 1-5, it is characterized in that:
Connecting pipeline between described every effect heater (1) and the vaporization chamber (2) is tangentially to enter described vaporization chamber (2) along described vaporization chamber inwall.
7. according to the arbitrary described vacuum multiple-effect forced-circulation evaporation device of claim 1-6, it is characterized in that:
Be provided with stainless steel cloth in the steam discharge pipe of described every effect vaporization chamber (2) top.
8. according to the arbitrary described vacuum multiple-effect forced-circulation evaporation device of claim 1-7, it is characterized in that:
Described vaporization chamber is provided with visor (10) and following visor (11), and described visor (11) down is arranged in the described vaporization chamber, and apart from heater spray mouth center line upper end 100-150mm; The described distance that goes up visor (11) under visor (10) distance is more than 0.5 meter or is positioned at the vaporization chamber side top.
9. use the method that vacuum multiple-effect forced-circulation evaporation device concentrates material for one kind, it is characterized in that: may further comprise the steps,
A. vacuum feed: open vavuum pump (6), open vacuum control valve (32) after, open the inlet valve (30,30 ') of charging main valve (33) and each single-effect evaporator, treat that material reaches entry level after, close charging main valve (33), finish fill process;
B. concentration and evaporation circulates: open forced circulation pump (3), the material of each single-effect evaporator begins circulating and evaporating;
C. discharging:
1) when the concentration of multi-effect evaporator material reaches requirement respectively, close vacuum control valve (32), open the atmospheric valve of every single-effect evaporator, open forced circulation pump respectively, through discharging opening material is discharged respectively;
When 2) current 1st effective evaporator material concentration reaches requirement then the concentration of 1st effective evaporator material does not reach requirement, close vacuum control valve (32), the atmospheric valve (31) of 1st effective evaporator is opened last effect forced circulation pump (3) before opening, and through discharging opening (22) last effect material is discharged; Treat that last effect material drains, open vacuum control valve (32), two inlet valves of imitating before and after opening, open the atmospheric valve (31 ') that imitate back one, the material of back 1st effective evaporator behind the 1st effective evaporator, is closed the atmospheric valve (31 ') of last effect inlet valve (30) and back 1st effective evaporator before the charging house steward sucks; Open forced circulation pump (3) circulating and evaporating, after concentration reaches requirement, material is discharged;
The steam that said process produces is discharged by self-priming positive displacement pump (52) after condensation pumping equipment (41) condensation.
10. application vacuum multiple-effect forced-circulation evaporation device according to claim 9 concentrates the method for material, it is characterized in that:
The steam of 1st effective evaporator enters in the tubulation of heater of back 1st effective evaporator via the vapour-discharge tube road before among the described step b.
11. application vacuum multiple-effect forced-circulation evaporation device according to claim 10 concentrates the method for material, it is characterized in that:
The described material concentration of step c is to detect by described vacuum sampler (7) to obtain.
12. application vacuum multiple-effect forced-circulation evaporation device according to claim 9 concentrates the method for material, it is characterized in that:
The described entry level of step a is distance visor (11) the downward 300-400mm in center down.
CN2010102975811A 2010-09-30 2010-09-30 Multi-effect vacuum forced circulation evaporation device and material concentrating method thereof Expired - Fee Related CN102008829B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010102975811A CN102008829B (en) 2010-09-30 2010-09-30 Multi-effect vacuum forced circulation evaporation device and material concentrating method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010102975811A CN102008829B (en) 2010-09-30 2010-09-30 Multi-effect vacuum forced circulation evaporation device and material concentrating method thereof

Publications (2)

Publication Number Publication Date
CN102008829A true CN102008829A (en) 2011-04-13
CN102008829B CN102008829B (en) 2012-09-05

Family

ID=43839277

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010102975811A Expired - Fee Related CN102008829B (en) 2010-09-30 2010-09-30 Multi-effect vacuum forced circulation evaporation device and material concentrating method thereof

Country Status (1)

Country Link
CN (1) CN102008829B (en)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102424373A (en) * 2011-12-16 2012-04-25 吴杰 Concentration apparatus for wet method phosphoric acid refinement
CN103830925A (en) * 2012-11-23 2014-06-04 宜兴市汇富机械设备有限公司 Vapor-water separation device for evaporator
CN103977582A (en) * 2014-05-12 2014-08-13 江西众合装备技术有限公司 Copper sulfate double-effect automatic plate-type vacuum evaporation device
CN104162284A (en) * 2014-07-10 2014-11-26 江苏华泰重工装备有限公司 Double-effect outer circulation concentration evaporator
CN104162285A (en) * 2014-07-31 2014-11-26 河南中原黄金冶炼厂有限责任公司 Multiple-effect alternate evaporation system
CN104474729A (en) * 2014-12-10 2015-04-01 云南昆船电子设备有限公司 Double-effect concentrator with forced circulation
CN105056556A (en) * 2015-09-08 2015-11-18 吉林惠利现代轻工装备有限公司 Material liquid concentration device and material liquid evaporator thereof
CN106512459A (en) * 2016-12-16 2017-03-22 江西中医药大学 Concentrator based on vapor thermal gain technology
CN106807102A (en) * 2015-11-28 2017-06-09 衡阳春天医药化工设备有限公司 A kind of dual-effect concentrator
CN108187361A (en) * 2018-01-31 2018-06-22 荣成鸿德海洋生物科技有限公司 A kind of enrichment facility for protein aqueous solution
CN108299544A (en) * 2018-01-31 2018-07-20 荣成鸿德海洋生物科技有限公司 A method of carrying out protein aqueous solution concentration using tubular heat exchanger prevents tubulation fouling
CN111359240A (en) * 2020-03-30 2020-07-03 山东凯斯达机械制造有限公司 Tubular falling film evaporator, concentration device and using method and process of concentration device
CN111359243A (en) * 2020-02-24 2020-07-03 温州阳羽机械科技有限公司 Solvent evaporation loss reduction treatment equipment and process

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1094013A (en) * 1993-03-15 1994-10-26 气体产品与化学公司 Sulfuric acid purifying and concentration technology
CN101306260A (en) * 2007-07-12 2008-11-19 项公浩 Multifunctional multiple-effect automatic continuous evaporative crystallization technique and crystallization device
CN201168458Y (en) * 2008-02-01 2008-12-24 郑加福 Four-effect evaporation crystallizer
CN201168457Y (en) * 2008-02-01 2008-12-24 郑加福 Multi-effect evaporation crystallizer
CN201823328U (en) * 2010-09-30 2011-05-11 温州市天龙轻工设备有限公司 Vacuum multi-effect forced circulation evaporation device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1094013A (en) * 1993-03-15 1994-10-26 气体产品与化学公司 Sulfuric acid purifying and concentration technology
CN101306260A (en) * 2007-07-12 2008-11-19 项公浩 Multifunctional multiple-effect automatic continuous evaporative crystallization technique and crystallization device
CN201168458Y (en) * 2008-02-01 2008-12-24 郑加福 Four-effect evaporation crystallizer
CN201168457Y (en) * 2008-02-01 2008-12-24 郑加福 Multi-effect evaporation crystallizer
CN201823328U (en) * 2010-09-30 2011-05-11 温州市天龙轻工设备有限公司 Vacuum multi-effect forced circulation evaporation device

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102424373B (en) * 2011-12-16 2013-06-19 吴杰 Concentration apparatus for wet method phosphoric acid refinement
CN102424373A (en) * 2011-12-16 2012-04-25 吴杰 Concentration apparatus for wet method phosphoric acid refinement
CN103830925A (en) * 2012-11-23 2014-06-04 宜兴市汇富机械设备有限公司 Vapor-water separation device for evaporator
CN103977582B (en) * 2014-05-12 2016-02-17 江西众合装备技术有限公司 Copper sulphate two imitates full automatic plate type vacuum evaporator
CN103977582A (en) * 2014-05-12 2014-08-13 江西众合装备技术有限公司 Copper sulfate double-effect automatic plate-type vacuum evaporation device
CN104162284A (en) * 2014-07-10 2014-11-26 江苏华泰重工装备有限公司 Double-effect outer circulation concentration evaporator
CN104162285A (en) * 2014-07-31 2014-11-26 河南中原黄金冶炼厂有限责任公司 Multiple-effect alternate evaporation system
CN104474729A (en) * 2014-12-10 2015-04-01 云南昆船电子设备有限公司 Double-effect concentrator with forced circulation
CN105056556A (en) * 2015-09-08 2015-11-18 吉林惠利现代轻工装备有限公司 Material liquid concentration device and material liquid evaporator thereof
CN106807102A (en) * 2015-11-28 2017-06-09 衡阳春天医药化工设备有限公司 A kind of dual-effect concentrator
CN106512459A (en) * 2016-12-16 2017-03-22 江西中医药大学 Concentrator based on vapor thermal gain technology
CN108187361A (en) * 2018-01-31 2018-06-22 荣成鸿德海洋生物科技有限公司 A kind of enrichment facility for protein aqueous solution
CN108299544A (en) * 2018-01-31 2018-07-20 荣成鸿德海洋生物科技有限公司 A method of carrying out protein aqueous solution concentration using tubular heat exchanger prevents tubulation fouling
CN111359243A (en) * 2020-02-24 2020-07-03 温州阳羽机械科技有限公司 Solvent evaporation loss reduction treatment equipment and process
CN111359240A (en) * 2020-03-30 2020-07-03 山东凯斯达机械制造有限公司 Tubular falling film evaporator, concentration device and using method and process of concentration device

Also Published As

Publication number Publication date
CN102008829B (en) 2012-09-05

Similar Documents

Publication Publication Date Title
CN102008829B (en) Multi-effect vacuum forced circulation evaporation device and material concentrating method thereof
CN201823328U (en) Vacuum multi-effect forced circulation evaporation device
CN201834781U (en) Single-stage vacuum distillation seawater desalination device
CN201587871U (en) Multi-stage vacuum distillation sea water desalinating device
CN108408812B (en) Desalination method and device for salt-containing wastewater
CN202951265U (en) Efficient evaporating crystallizer
CN101966396A (en) Evaporation device
CN203750196U (en) Double-effect concentration device
CN110217843A (en) A kind of automatic waste water three-effect evaporation and condensation system
CN206995895U (en) MVR traditional Chinese drug inspissation systems with defoaming function
CN105129890A (en) Evaporating crystallizer
CN207507042U (en) Multiple-effect falling film evaporator
CN202961924U (en) Composite single multi-effect steam mechanical recompression evaporator
CN110002522A (en) Solid waste landfill site percolate evaporated crystallization device and method
CN206184013U (en) System for utilize air heat pump low temperature evaporative concentration alcohol waste liquid
CN205235448U (en) Octanol recovery unit
CN104030515B (en) A kind of vacuum seawater desalination system and technique
CN103977582B (en) Copper sulphate two imitates full automatic plate type vacuum evaporator
CN204767568U (en) Concentrated crystallization device
CN202478616U (en) Dual-jet concentration device
CN209221520U (en) A kind of evaporation equipment for Calcium Chloride Production
CN210145520U (en) High-efficient extrinsic cycle concentrator
CN212440090U (en) High-efficient triple-effect countercurrent evaporation device
CN202220084U (en) Production equipment directly extracting sodium sulphate by acid bath
CN103301641A (en) Reduced pressure and evaporation concentrator capable of circularly utilizing heat energy

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120905

Termination date: 20150930

EXPY Termination of patent right or utility model