CN204246855U - Dispensing orifice is provided with the falling film evaporator of necking segment - Google Patents
Dispensing orifice is provided with the falling film evaporator of necking segment Download PDFInfo
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- CN204246855U CN204246855U CN201420662811.3U CN201420662811U CN204246855U CN 204246855 U CN204246855 U CN 204246855U CN 201420662811 U CN201420662811 U CN 201420662811U CN 204246855 U CN204246855 U CN 204246855U
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- dispensing orifice
- necking segment
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Abstract
The utility model relates to feed liquid evaporation and concentration field, and object is to provide the falling film evaporator that a kind of dispensing orifice is provided with necking segment.Dispensing orifice is provided with a falling film evaporator for necking segment, comprises the housing being provided with lower clapboard, vaporization chamber, several heat exchanger tubes, the distributor be connected with housing upper; The lower end of heat exchanger tube is plugged in lower clapboard and is communicated with cavity of resorption; Distributor is provided with several dispensing orifices; Dispensing orifice comprises two principal pieces, necking segment, the changeover portion that two two ends are connected with one end of necking segment one end and a principal piece respectively; The upper end of heat exchanger tube is connected with distributor and the upper end of each heat exchanger tube is communicated with a principal piece; Housing is provided with the liquor inlet hole be communicated with epicoele, the heat medium import be communicated with lumen and solidifying water out, and the gas-liquid mixed be communicated with cavity of resorption exports; Vaporization chamber is provided with gas-liquid mixed inlet hole, vapor outlet port hole and liquid-phase outlet hole.The dispensing orifice that this dispensing orifice is provided with the distributor of the falling film evaporator of necking segment has the necking segment being beneficial to film forming, and principal piece is identical with heat exchanger tube internal diameter, can take into account film-formation result and uniformity and feed liquid film-like and to flow inside heat exchanger tube decrease speed.
Description
Technical field
The utility model relates to feed liquid evaporation and concentration field, and especially a kind of dispensing orifice is provided with the falling film evaporator of necking segment.
Background technology
Chinese Patent Application No.: the utility model of 201410015375.5 discloses a kind of downward film evaporator, comprise shell body and be vertically arranged at the upper spacer of shell body inside, lower clapboard and heat exchanger tube, shell body lumen segmentation is become the first cavity with lower clapboard by upper spacer, second cavity and the 3rd cavity, first cavity and the second cavity are positioned at the both sides of upper spacer, second cavity and the 3rd cavity are positioned at lower clapboard both sides, heat exchanger tube one end is plugged in upper spacer and is communicated with the first cavity, the heat exchanger tube other end is plugged in lower clapboard and is communicated with the 3rd cavity, first cavity is provided with charging aperture, 3rd cavity is provided with discharge nozzle, downward film evaporator also comprises vaporization chamber, the outlet of discharge nozzle is located in vaporization chamber, vaporization chamber top is provided with jet pump, vaporization chamber bottom is provided with discharging opening.The falling film evaporator that dispensing orifice is provided with necking segment is a kind of dividing wall type heat-exchange apparatus for feed liquid evaporation and concentration; Feed liquid flows into heat exchanger tube from charging aperture through the first chamber, feed liquid film-like flows decline inside heat exchanger tube under gravity, enter the second chamber heat medium exchange heat pipe outside heat, in heat exchanger tube, the moisture of feed liquid is heat vaporized, the steam produced and liquid phase jointly enter vaporization chamber and carry out vapor-liquid separation, liquid phase is discharged by discharging opening, and steam enters condenser condenses (single-action operation) or enters lower 1st effective evaporator as heat medium, thus realizes multiple-effect operation.When heat exchanger tube is thicker, the feed liquid film-like decrease speed that flows inside heat exchanger tube is very fast, but film-formation result and uniformity poor; When heat exchanger tube is thinner, better, but feed liquid film-like flows inside heat exchanger tube, decrease speed is slower for film-formation result and uniformity; There is film-formation result and uniformity and feed liquid film-like to flow inside heat exchanger tube the deficiency that decrease speed can not take into account to overcome traditional falling film evaporator; Therefore, design flow inside heat exchanger tube dispensing orifice that decrease speed can take into account of a kind of film-formation result and uniformity and feed liquid film-like and be provided with the falling film evaporator of necking segment, become problem demanding prompt solution.
Utility model content
The purpose of this utility model there is film-formation result and uniformity and feed liquid film-like to flow inside heat exchanger tube the deficiency that decrease speed can not take into account to overcome current falling film evaporator, and provide a kind of film-formation result and uniformity and feed liquid film-like to flow inside heat exchanger tube dispensing orifice that decrease speed can take into account is provided with the falling film evaporator of necking segment.
Concrete technical scheme of the present utility model is:
Dispensing orifice is provided with a falling film evaporator for necking segment, comprises the housing being provided with lower clapboard, vaporization chamber, several heat exchanger tubes; The falling film evaporator that described dispensing orifice is provided with necking segment also comprises the distributor be connected with housing upper; Housing is separated into epicoele, lumen and cavity of resorption by distributor and lower clapboard; The lower end of heat exchanger tube is plugged in lower clapboard and is communicated with cavity of resorption; Distributor is provided with the number dispensing orifice identical with heat exchanger tube number; Dispensing orifice comprises two diameters principal piece identical with heat exchanger tube internal diameter, and diameter is less than the necking segment of principal piece diameter, the changeover portion that two two ends are connected with one end of necking segment one end and a principal piece respectively; The upper end of heat exchanger tube is connected with distributor and the upper end of each heat exchanger tube is communicated with a principal piece; Housing is provided with the liquor inlet hole be communicated with epicoele, the heat medium import be communicated with lumen and solidifying water out, and the gas-liquid mixed be communicated with cavity of resorption exports; Vaporization chamber is provided with the gas-liquid mixed inlet hole with gas-liquid mixed outlet, is positioned at the vapor outlet port hole at top and is positioned at the liquid-phase outlet hole of bottom.The dispensing orifice that this dispensing orifice is provided with the distributor of the falling film evaporator of necking segment has the necking segment being beneficial to film forming, and principal piece is identical with heat exchanger tube internal diameter, can take into account film-formation result and uniformity and feed liquid film-like and to flow inside heat exchanger tube decrease speed.
As preferably, between described epicoele and vapor outlet port hole, be provided with balanced valve.The relative equilibrium of the pressure of epicoele and vaporization chamber can be regulated by balanced valve, be beneficial to feed liquid under gravity film-like to flow inside heat exchanger tube decline.
As preferably, between described lumen and vapor outlet port hole, be provided with compressor.Steam is discharged from vapor outlet port hole and enter lumen UTILIZATION OF VESIDUAL HEAT IN under compressor effect.
As preferably, the shape of described changeover portion is taper type.Feed liquid film-formation result is better.
As preferably, described dispensing orifice is provided with the falling film evaporator of necking segment, also comprises feed pump, stop valve, discharging pump; Feed pump is connected with liquor inlet hole by stop valve; Discharging pump is connected with liquid-phase outlet hole.Feed pump is beneficial to feed liquid and enters epicoele, and stop valve enters the flow of epicoele for controlling feed liquid; Discharging pump is beneficial to liquid phase and is discharged by liquid-phase outlet hole.
Compared with prior art, the beneficial effects of the utility model are: the dispensing orifice that this dispensing orifice is provided with the distributor of the falling film evaporator of necking segment has the necking segment being beneficial to film forming, and principal piece is identical with heat exchanger tube internal diameter can be taken into account film-formation result and uniformity and feed liquid film-like and to flow inside heat exchanger tube decrease speed.The relative equilibrium of the pressure of epicoele and vaporization chamber can be regulated by balanced valve, be beneficial to feed liquid under gravity film-like to flow inside heat exchanger tube decline.Steam is discharged from vapor outlet port hole and enter lumen UTILIZATION OF VESIDUAL HEAT IN under compressor effect.The shape of changeover portion is taper type, and feed liquid film-formation result is better.Feed pump is beneficial to feed liquid and enters epicoele, and stop valve enters the flow of epicoele for controlling feed liquid; Discharging pump is beneficial to liquid phase and is discharged by liquid-phase outlet hole.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment 1;
Fig. 2 is the structural representation of the utility model embodiment 2;
Fig. 3 is the enlarged drawing of distributor in Fig. 1, Fig. 2.
In figure: lower clapboard-1, housing-2, liquor inlet hole-21, heat medium import-22, solidifying water out-23, gas-liquid mixed outlet-24, vaporization chamber-3, gas-liquid mixed inlet hole-31, vapor outlet port hole-32, liquid-phase outlet hole-33, heat exchanger tube-4, distributor-5, dispensing orifice-51, principal piece-52, necking segment-53, changeover portion-54, feed pump-6, stop valve-7, discharging pump-8, epicoele-9, lumen-10, cavity of resorption-11, balanced valve-12, compressor-13.
Detailed description of the invention
Below in conjunction with shown in accompanying drawing, the utility model is described further.
Embodiment 1, as shown in accompanying drawing 1, accompanying drawing 3: a kind of dispensing orifice is provided with the falling film evaporator of necking segment, comprises the housing 2 being provided with lower clapboard 1, vaporization chamber 3, ten heat exchanger tubes 4, the distributor 5 be connected with housing 2 top, feed pump 6, stop valve 7, discharging pump 8; Ten heat exchanger tubes 4 are uniformly distributed along the circumference; Housing 2 is separated into epicoele 9, lumen 10 and cavity of resorption 11 by distributor 5 and lower clapboard 1; The lower end of heat exchanger tube 4 is plugged in lower clapboard 1 and is communicated with cavity of resorption 11; Distributor 5 is provided with number ten dispensing orifices 51 identical with heat exchanger tube 4 number; Dispensing orifice 51 comprises two diameters principal piece 52 identical with heat exchanger tube 4 internal diameter, the changeover portion 54 that necking segment 53, two two ends that diameter is less than principal piece 52 diameter are connected with one end of necking segment 53 one end and a principal piece 52 respectively; The shape of described changeover portion 54 is taper type.The upper end of heat exchanger tube 4 is welded with distributor 5 lower surface and the upper end of each heat exchanger tube 4 is communicated with a principal piece 52; Housing 2 is provided with the liquor inlet hole 21 be communicated with epicoele 9, the heat medium import 22 be communicated with lumen 10 and solidifying water out 23, and the gas-liquid mixed be communicated with cavity of resorption 11 exports 24; Vaporization chamber 3 is provided with and exports the 24 gas-liquid mixed inlet holes 31 be communicated with gas-liquid mixed, is positioned at the vapor outlet port hole 32 at top and is positioned at the liquid-phase outlet hole 33 of bottom.Feed pump 6 is connected with liquor inlet hole 21 by stop valve 7.Discharging pump 8 is connected with liquid-phase outlet hole 33; Balanced valve 12 is provided with between described epicoele 9 and vapor outlet port hole 32.
When this dispensing orifice is provided with the falling film evaporator use of necking segment, steam enters lumen 10 from heat medium import 22 and exchanges heating outside heat pipe 4; Feed liquid enters epicoele 9 from liquor inlet hole 21, distribute through dispensing orifice 51 and enter heat exchanger tube 4 and to heat and film-like flows decline inside heat exchanger tube 4 under gravity, in heat exchanger tube 4, the moisture of feed liquid is heat vaporized, the steam produced and liquid phase export 24 through gas-liquid mixed and jointly enter vaporization chamber 3 and carry out vapor-liquid separation, liquid phase is discharged by liquid-phase outlet hole 33, steam is discharged to enter condenser condenses (single-action operation) or enter next dispensing orifice from vapor outlet port hole 32 and is provided with the falling film evaporator of necking segment as heat medium, thus realizes multiple-effect operation.
The beneficial effect of this utility model embodiment 1 is: the dispensing orifice that this dispensing orifice is provided with the distributor of the falling film evaporator of necking segment has the necking segment being beneficial to film forming, principal piece is identical with heat exchanger tube internal diameter, can take into account film-formation result and uniformity and feed liquid film-like and to flow inside heat exchanger tube decrease speed.The relative equilibrium of the pressure of epicoele and vaporization chamber can be regulated by balanced valve, be beneficial to feed liquid under gravity film-like to flow inside heat exchanger tube decline.The shape of changeover portion is taper type, and feed liquid film-formation result is better.Feed pump is beneficial to feed liquid and enters epicoele, and stop valve enters the flow of epicoele for controlling feed liquid; Discharging pump is beneficial to liquid phase and is discharged by liquid-phase outlet hole.
Embodiment 2, as shown in accompanying drawing 2, accompanying drawing 3: a kind of dispensing orifice is provided with the falling film evaporator of necking segment, comprises the housing 2 being provided with lower clapboard 1, vaporization chamber 3, ten heat exchanger tubes 4, the distributor 5 be connected with housing 2 top, feed pump 6, stop valve 7, discharging pump 8; Ten heat exchanger tubes 4 are uniformly distributed along the circumference; Housing 2 is separated into epicoele 9, lumen 10 and cavity of resorption 11 by distributor 5 and lower clapboard 1; The lower end of heat exchanger tube 4 is plugged in lower clapboard 1 and is communicated with cavity of resorption 11; Distributor 5 is provided with number ten dispensing orifices 51 identical with heat exchanger tube 4 number; Dispensing orifice 51 comprises two diameters principal piece 52 identical with heat exchanger tube 4 internal diameter, the changeover portion 54 that necking segment 53, two two ends that diameter is less than principal piece 52 diameter are connected with one end of necking segment 53 one end and a principal piece 52 respectively; The shape of described changeover portion 54 is taper type; The upper end of heat exchanger tube 4 is welded with distributor 5 lower surface and the upper end of each heat exchanger tube 4 is communicated with a principal piece 52; Epicoele 9 is provided with liquor inlet hole 21; Lumen 10 is provided with heat medium import 22 and solidifying water out 23; Cavity of resorption 11 is provided with gas-liquid mixed outlet 24; Vaporization chamber 3 is provided with and exports the 24 gas-liquid mixed inlet holes 31 be communicated with gas-liquid mixed, is positioned at the vapor outlet port hole 32 at top and is positioned at the liquid-phase outlet hole 33 of bottom.Feed pump 6 is connected with liquor inlet hole 21 by stop valve 7.Discharging pump 8 is connected with liquid-phase outlet hole 33; Compressor 13 is provided with between described lumen 10 and vapor outlet port hole 32.
When this dispensing orifice is provided with the falling film evaporator use of necking segment, steam enters lumen 10 from heat medium import 22 and exchanges heating outside heat pipe 4; Feed liquid enters epicoele 9 from liquor inlet hole 21, distribute through dispensing orifice 51 and enter heat exchanger tube 4 and to heat and film-like flows decline inside heat exchanger tube 4 under gravity, in heat exchanger tube 4, the moisture of feed liquid is heat vaporized, the steam produced and liquid phase export 24 through gas-liquid mixed and jointly enter vaporization chamber 3 and carry out vapor-liquid separation, liquid phase is discharged by liquid-phase outlet hole 33, and steam is discharged from vapor outlet port hole 32 and enter lumen 10 UTILIZATION OF VESIDUAL HEAT IN compressor 13 is acted on.
The beneficial effect of this utility model embodiment 2 is: the dispensing orifice that this dispensing orifice is provided with the distributor of the falling film evaporator of necking segment has the necking segment being beneficial to film forming, and principal piece is identical with heat exchanger tube internal diameter can be taken into account film-formation result and uniformity and feed liquid film-like and to flow inside heat exchanger tube decrease speed.Steam is discharged from vapor outlet port hole and enter lumen UTILIZATION OF VESIDUAL HEAT IN under compressor effect.The shape of changeover portion is taper type, and feed liquid film-formation result is better.Feed pump is beneficial to feed liquid and enters epicoele, and stop valve enters the flow of epicoele for controlling feed liquid; Discharging pump is beneficial to liquid phase and is discharged by liquid-phase outlet hole.
It is apparent to one skilled in the art that the utility model can change into various ways, such change do not think depart from scope of the present utility model.All like this to the apparent amendment of the technical staff in described field, by be included in this claim scope within.
Claims (5)
1. dispensing orifice is provided with a falling film evaporator for necking segment, comprises the housing being provided with lower clapboard, vaporization chamber, several heat exchanger tubes; It is characterized in that: the falling film evaporator that described dispensing orifice is provided with necking segment also comprises the distributor be connected with housing upper; Housing is separated into epicoele, lumen and cavity of resorption by distributor and lower clapboard; The lower end of heat exchanger tube is plugged in lower clapboard and is communicated with cavity of resorption; Distributor is provided with the number dispensing orifice identical with heat exchanger tube number; Dispensing orifice comprises two diameters principal piece identical with heat exchanger tube internal diameter, and diameter is less than the necking segment of principal piece diameter, the changeover portion that two two ends are connected with one end of necking segment one end and a principal piece respectively; The upper end of heat exchanger tube is connected with distributor and the upper end of each heat exchanger tube is communicated with a principal piece; Housing is provided with the liquor inlet hole be communicated with epicoele, the heat medium import be communicated with lumen and solidifying water out, and the gas-liquid mixed be communicated with cavity of resorption exports; Vaporization chamber is provided with the gas-liquid mixed inlet hole with gas-liquid mixed outlet, is positioned at the vapor outlet port hole at top and is positioned at the liquid-phase outlet hole of bottom.
2. dispensing orifice according to claim 1 is provided with the falling film evaporator of necking segment, it is characterized in that: be provided with balanced valve between described epicoele and vapor outlet port hole.
3. dispensing orifice according to claim 1 is provided with the falling film evaporator of necking segment, it is characterized in that: be provided with compressor between described lumen and vapor outlet port hole.
4. the dispensing orifice according to claim 1 or 2 or 3 is provided with the falling film evaporator of necking segment, it is characterized in that: the shape of described changeover portion is taper type.
5. the dispensing orifice according to claim 1 or 2 or 3 is provided with the falling film evaporator of necking segment, it is characterized in that: also comprise feed pump, stop valve, discharging pump; Feed pump is connected with liquor inlet hole by stop valve; Discharging pump is connected with liquid-phase outlet hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420662811.3U CN204246855U (en) | 2014-11-07 | 2014-11-07 | Dispensing orifice is provided with the falling film evaporator of necking segment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420662811.3U CN204246855U (en) | 2014-11-07 | 2014-11-07 | Dispensing orifice is provided with the falling film evaporator of necking segment |
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| CN204246855U true CN204246855U (en) | 2015-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420662811.3U Active CN204246855U (en) | 2014-11-07 | 2014-11-07 | Dispensing orifice is provided with the falling film evaporator of necking segment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115228246A (en) * | 2022-07-26 | 2022-10-25 | 南通星球石墨股份有限公司 | Round block hole type multi-section distribution efficient falling film absorber |
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2014
- 2014-11-07 CN CN201420662811.3U patent/CN204246855U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115228246A (en) * | 2022-07-26 | 2022-10-25 | 南通星球石墨股份有限公司 | Round block hole type multi-section distribution efficient falling film absorber |
| CN115228246B (en) * | 2022-07-26 | 2023-08-11 | 南通星球石墨股份有限公司 | Round block hole type multi-section distribution high-efficiency falling film absorber |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| CP03 | Change of name, title or address |
Address after: 312369 Hangzhou Bay Shangyu economic and Technological Development Zone, Shaoxing, Zhejiang, Shangyu Patentee after: Chemical Limited by Share Ltd Address before: 312369 Hangzhou Bay Fine Chemical Industry Park, Shaoxing, Zhejiang Province, No. eleven, No. 2, Shangyu Patentee before: BSM Chemical Co., Ltd. |