CN206739674U - A kind of device of rectifying tower top gaseous phase waste heat recovery fine frozen water - Google Patents
A kind of device of rectifying tower top gaseous phase waste heat recovery fine frozen water Download PDFInfo
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- CN206739674U CN206739674U CN201720510253.2U CN201720510253U CN206739674U CN 206739674 U CN206739674 U CN 206739674U CN 201720510253 U CN201720510253 U CN 201720510253U CN 206739674 U CN206739674 U CN 206739674U
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- connecting pipeline
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
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Abstract
A kind of device of rectifying tower top gaseous phase waste heat recovery fine frozen water is the utility model is related to, including rectifying column, overhead condenser, lithium bromide absorption refrigerating set, lithium bromide absorption refrigerating set is arranged on the pipeline between rectifying column and overhead condenser, and lithium bromide absorption refrigerating set includes generator, condenser, evaporator, absorber, heat exchanger.The present apparatus, by the energy recovery of the top gaseous phase of rectifying column, for fine frozen water, uses for other devices of plant area by increasing lithium bromide absorption refrigerating set between rectifying column and condenser, tower top residual heat resources is reasonably and effectively used.
Description
Technical field
It the utility model is related to a kind of device of rectifying tower top gaseous phase waste heat recovery fine frozen water.
Background technology
Rectifying separation be it is a kind of using backflow make liquid mixture obtain high-purity separation distillating method, be industrially should
With most wide liquid mixture lock out operation, the fields such as oil, chemical industry, light industry are widely used in.The main function of rectifying column is root
The material to be reclaimed is heated to predetermined vapo(u)rizing temperature according to the vapo(u)rizing temperature difference of different compositions, allows its evaporation to become gas
State, then it is cooled to become liquid finished product by the condenser of rectifying column tower top and is transported to tank field storage.
The heat transfer of rectifying tower top gaseous phase is completed by overhead condenser, and the gas phase of rectifying column tower top is from rectifying
Column overhead escapes, and by the shell side of overhead condenser, is exchanged heat with the recirculated water of tube side, gas phase media condenses simultaneously in shell side
Cooling.
In the process rectifying column offer heat, while tower top are ceaselessly given in order to keep the rectification temperature of rectifying column to need
The sensible heat and latent heat of also substantial amounts of gas phase media finally need to drain by cooling device, are condensing and be cooled to technological requirement
The latent heat discharged in substantial amounts of heat, particularly condensation process need to be shifted during temperature, traditional method is turned by recirculated water
Move, this mode result in a large amount of wastes of energy.
Utility model content
The defects of the purpose of this utility model is to be directed to prior art and deficiency, there is provided more than a kind of rectifying tower top gaseous phase
The device of recuperation of heat fine frozen water, increases lithium bromide absorption refrigerating set between rectifying column and condenser, by rectifying column
The energy recovery of top gaseous phase, for fine frozen water, used for other devices of plant area, tower top residual heat resources is obtained rationally effectively
Utilization.
It is as follows to solve above-mentioned technical problem the technical solution adopted in the utility model：A kind of rectifying tower top gaseous phase waste heat
Reclaim the device of fine frozen water, rectifying column, overhead condenser, lithium bromide absorption refrigerating set, lithium-bromide absorption-type refrigerating machine
Group is arranged on the pipeline between rectifying column and overhead condenser, lithium bromide absorption refrigerating set include generator, condenser,
Evaporator, absorber, heat exchanger, the material outlet b of rectifying column are connected with the material inlet c of generator by vapor delivery line,
The material outlet d of generator passes through the first connecting tube with the first material entrance e and second material entrance f of overhead condenser respectively
Line is connected, and the material outlet j of generator is connected with the material inlet k of condenser by the second connecting pipeline, the thing of condenser
Material outlet l is connected with the material inlet m of evaporator by the 3rd connecting pipeline, the material outlet n of evaporator and absorber
Material inlet q is connected by the 4th connecting pipeline, the material outlet r of absorber and heat exchanger by the 5th connecting pipeline and
6th connecting pipeline is connected, and the material inlet s of generator is connected with heat exchanger by the 7th connecting pipeline, generator
Material outlet t is connected with heat exchanger by the 8th connecting pipeline, and material inlet u and the heat exchanger of absorber pass through the 9th
Connecting pipeline is connected.
In the technical program, it is preferable that the material inlet a of rectifying column is connected with feeding line.
Preferably, the material outlet g of overhead condenser is connected with liquid phase pipeline, the cooling water inlet h of overhead condenser with
Cooling water pipeline is connected, and the coolant outlet i of overhead condenser is connected with CWR line.
Preferably, the material outlet u of the vapor delivery line and material inlet v of the first connecting pipeline passes through the tenth connecting pipeline phase
Connection.
Preferably, the chilled water inlet o of evaporator is connected with chilled water water supply line, the chilled water outlet p of evaporator with
Chilled water water outlet pipeline is connected.
Preferably, evaporator is connected with circulating pump by exterior tubing.
Preferably, it is provided with delivery pump between the 5th connecting pipeline and the 6th connecting pipeline.
The characteristics of the utility model and useful achievement：
The utility model between rectifying column and condenser by increasing lithium bromide absorption refrigerating set, by rectifying column
The energy recovery of top gaseous phase, for fine frozen water, used for other devices of plant area, tower top residual heat resources is obtained rationally effectively
Utilization.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is a kind of structural representation of the device of rectifying tower top gaseous phase waste heat recovery fine frozen water of the utility model.
In accompanying drawing：
1st, rectifying column 2, overhead condenser 3, lithium bromide absorption refrigerating set
4th, generator 5, condenser 6, evaporator
7th, absorber 8, heat exchanger 9, circulating pump
10th, delivery pump 11, feeding line 12, vapor delivery line
13rd, the first connecting pipeline 14, liquid phase pipeline 15, cooling water pipeline
16th, CWR line 17, the second connecting pipeline 18, the 3rd connecting pipeline
19th, chilled water back with water inlet line 20, chilled water water outlet pipeline 21, the 4th connecting pipeline
22nd, the 5th connecting pipeline 23, the 6th connecting pipeline 24, the 7th connecting pipeline
25th, the 8th connecting pipeline 26, the 9th connecting pipeline 27, the tenth connecting pipeline
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, with reference to embodiments, to this
Utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining this practicality
It is new, it is not used to limit the utility model.
【Embodiment】：
The utility model proposes a kind of rectifying tower top gaseous phase waste heat recovery fine frozen water device combination accompanying drawing and in detail
Carefully it is described as follows：
The utility model proposes a kind of rectifying tower top gaseous phase waste heat recovery fine frozen water device example structure
As shown in figure 1, the device mainly includes rectifying column 1, overhead condenser 2, lithium bromide absorption refrigerating set 3, lithium bromide absorption
Formula refrigeration unit 3 is arranged on the pipeline between rectifying column 1 and overhead condenser 2.
Lithium bromide absorption refrigerating set 3 includes generator 4, condenser 5, evaporator 6, absorber 7, heat exchanger 8, followed
Ring pump 9, delivery pump 10.
Rectifying column 1, overhead condenser 2, generator 4, condenser 5, evaporator 6, absorber 7, heat exchanger 8, circulating pump
9th, the annexation between delivery pump 10 is：
The material inlet a of rectifying column 1 is connected with feeding line 11；
The material outlet b of rectifying column 1 is connected with the material inlet c of generator 4 by vapor delivery line 12, the thing of generator 4
Material outlet d is connected with the first material entrance e and second material entrance f of overhead condenser 2 by the first connecting pipeline 13 respectively；
The material outlet g of overhead condenser 2 is connected with liquid phase pipeline 14；The cooling water inlet h of overhead condenser 2 and cooling
Water water supply line 15 is connected, and the coolant outlet i of overhead condenser 2 is connected with CWR line 16；
The material outlet u of vapor delivery line 12 and the material inlet v of the first connecting pipeline 13 pass through the phase of the tenth connecting pipeline 27
Connection；
The material outlet j of generator 4 is connected with the material inlet k of condenser 5 by the second connecting pipeline 17, condenser
5 material outlet l is connected with the material inlet m of evaporator 6 by the 3rd connecting pipeline 18；
The chilled water inlet o of evaporator 6 is connected with chilled water water supply line 19, chilled water outlet p and the freezing of evaporator 6
Water water outlet pipeline 20 is connected, and evaporator 6 is connected with circulating pump 9 by exterior tubing；
The material outlet n of evaporator 6 is connected with the material inlet q of absorber 7 by the 4th connecting pipeline 21, absorber
7 material outlet r is connected with heat exchanger 8 by the 5th connecting pipeline 22 and the 6th connecting pipeline 23, the 5th connecting pipeline
22 and the 6th are provided with delivery pump 10 between connecting pipeline 23；
The material inlet s of generator 4 is connected with heat exchanger 8 by the 7th connecting pipeline 24, and the material of generator 4 goes out
Mouth t is connected with heat exchanger 8 by the 8th connecting pipeline 25, and material inlet u and the heat exchanger 8 of absorber 7 pass through the 9th
Connecting pipeline 26 is connected.
The workflow of the present apparatus is as follows：
(1) crude product enters rectifying column 1 from the material inlet a of feeding line 11；
(2) the top gaseous phase component of rectifying column 1 enters discharging pipeline 12 from material outlet b, from the material inlet of generator 4
C enters generator 4, and lithium bromide weak solution is heated in generator 4 by tube side endogenous pyrogen (i.e. the top gaseous phase of rectifying column 1),
Seethed with excitement after solution temperature rise, moisture evaporation causes lithium-bromide solution concentration to improve；
(3) pass through material outlet d of the condensed liquid phase component from generator 4, into the first connecting pipeline 13, pass through tower
The first material entrance e and second material entrance f of top condenser 2 enter overhead condenser 2；
(4) the relatively low cooling water of temperature is passed through from cooling water pipeline 15 in overhead condenser 2, liquid phase component passes through tower
Top condenser 2 reaches after-heat transfer the temperature needed for technique, and tank field storage is transported to from material outlet g through liquid phase pipeline 14
Hide, absorb the cooling water after heat and flowed out from CWR line 16；
(5) water vapour of generator 4 condenses into water in condenser 5 by the circulating water of tube side, is sent again after throttling
Evaporated into evaporator 6, absorb the heat of tube side so as to produce chilled water, the circulating pump 9 that evaporator 6 is connected by exterior tubing
Circulated sprinkling, increase disengagement area, improve heat exchange efficiency；
(6) the cryogen vapor after pervaporation enters in absorber 7 through the 4th connecting pipeline 21, is brominated lithium concentrated solution
Absorb, solution is gradually thinning；
(7) lithium bromide weak solution is delivered to heat exchanger 8 by delivery pump 10, the high temperature bromination filtered out with generator 4
The concentrated solution of lithium is exchanged heat, and enters generator 4 after temperature rise；
(8) the lithium bromide concentrated solution to cool after the heat exchange of heat exchanger 8 enters absorber 7 through the 9th connecting pipeline 26, inhales
Receive cryogen vapor.
Cyclic process more than reaches the purpose that water is frozen in continuous cooling, and solution, which absorbs, in absorber 7 carrys out spontaneous evaporation
The low pressure cryogen water vapour of device 4, it is an exothermic process, to be carried out continuously down absorption process, needs circulating water；Condensing
In device 5, to make the high pressure cryogen water vapour of generator 4 become water as refrigerant, circulating water is also needed.
In said process, if lithium bromide absorption refrigerating set 3 breaks down, vapor delivery line 12 and the can be closed
Valve in one connecting pipeline 13, open the valve in the tenth connecting pipeline 27 so that gaseous component is directly from the tenth connecting tube
The connecting pipeline 13 of line 27 and first enters overhead condenser 2, and without lithium bromide absorption refrigerating set 3.
Rectifying column 1, overhead condenser 2, lithium bromide absorption refrigerating set 3 in the present embodiment are matured product, its
In：
Rectifying column 1 is original production link device；
Overhead condenser 2 is original production link device；
Lithium bromide absorption refrigerating set 3, determined according to the demand of chilled water and tower top excess heat, this equipment is nonstandard
Design.
The present embodiment between rectifying column and condenser by increasing lithium bromide absorption refrigerating set, by the tower of rectifying column
The energy recovery of top gas phase, for fine frozen water, used for other devices of plant area, obtain tower top residual heat resources rationally effective
Utilize.
Although the illustrative embodiment of the utility model is described above, in order to the art
Technical staff is it will be appreciated that the utility model, but the utility model is not limited only to the scope of embodiment, to this technology
For the those of ordinary skill in field, as long as long as the utility model that various change is limited and determined in appended claim
In spirit and scope, all are created in the row of protection using the utility model of the utility model design.
Claims (7)
- A kind of 1. device of rectifying tower top gaseous phase waste heat recovery fine frozen water, it is characterised in that：Including rectifying column (1), tower top Condenser (2), lithium bromide absorption refrigerating set (3), the lithium bromide absorption refrigerating set (3) are arranged at the rectifying column (1) on the pipeline between the overhead condenser (2), the lithium bromide absorption refrigerating set (3) include generator (4), Condenser (5), evaporator (6), absorber (7), heat exchanger (8), material outlet b and the generation of the rectifying column (1) The material inlet c of device (4) is connected by vapor delivery line (12), and the material outlet d of the generator (4) is cold with the tower top respectively The first material entrance e and second material entrance f of condenser (2) are connected by the first connecting pipeline (13), the generator (4) Material outlet j is connected with the material inlet k of condenser (5) by the second connecting pipeline (17), the material of the condenser (5) Outlet l is connected with the material inlet m of the evaporator (6) by the 3rd connecting pipeline (18), the material of the evaporator (6) Outlet n is connected with the material inlet q of the absorber (7) by the 4th connecting pipeline (21), the material of the absorber (7) Outlet r is connected with the heat exchanger (8) by the 5th connecting pipeline (22) and the 6th connecting pipeline (23), the generator (4) material inlet s is connected with the heat exchanger (8) by the 7th connecting pipeline (24), the material of the generator (4) Outlet t is connected with the heat exchanger (8) by the 8th connecting pipeline (25), the material inlet u of the absorber (7) and institute Heat exchanger (8) is stated by the 9th connecting pipeline (26) to be connected.
- 2. the device of rectifying tower top gaseous phase waste heat recovery fine frozen water as claimed in claim 1, it is characterised in that：The essence The material inlet a for evaporating tower (1) is connected with feeding line (11).
- 3. the device of rectifying tower top gaseous phase waste heat recovery fine frozen water as claimed in claim 1, it is characterised in that：The tower The material outlet g of top condenser (2) is connected with liquid phase pipeline (14), cooling water inlet h and the cooling of the overhead condenser (2) Water water supply line (15) is connected, and the coolant outlet i of the overhead condenser (2) is connected with CWR line (16).
- 4. the device of rectifying tower top gaseous phase waste heat recovery fine frozen water as claimed in claim 1, it is characterised in that：Gas phase pipe The material outlet u of line (12) is connected with the material inlet v of the first connecting pipeline (13) by the tenth connecting pipeline (27).
- 5. the device of rectifying tower top gaseous phase waste heat recovery fine frozen water as claimed in claim 1, it is characterised in that：The steaming The chilled water inlet o of hair device (6) is connected with chilled water water supply line (19), chilled water outlet p and the freezing of the evaporator (6) Water water outlet pipeline (20) is connected.
- 6. the device of rectifying tower top gaseous phase waste heat recovery fine frozen water as claimed in claim 1, it is characterised in that：The steaming Hair device (6) is connected with circulating pump (9) by exterior tubing.
- 7. the device of rectifying tower top gaseous phase waste heat recovery fine frozen water as claimed in claim 1, it is characterised in that：Described Delivery pump (10) is provided between five connecting pipelines (22) and the 6th connecting pipeline (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720510253.2U CN206739674U (en) | 2017-05-10 | 2017-05-10 | A kind of device of rectifying tower top gaseous phase waste heat recovery fine frozen water |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720510253.2U CN206739674U (en) | 2017-05-10 | 2017-05-10 | A kind of device of rectifying tower top gaseous phase waste heat recovery fine frozen water |
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| CN206739674U true CN206739674U (en) | 2017-12-12 |
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| CN201720510253.2U Active CN206739674U (en) | 2017-05-10 | 2017-05-10 | A kind of device of rectifying tower top gaseous phase waste heat recovery fine frozen water |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114322358A (en) * | 2021-12-31 | 2022-04-12 | 浙江科维节能技术股份有限公司 | Optimized energy-saving method of steam condensate heat energy recovery system |
| CN114526564A (en) * | 2021-12-31 | 2022-05-24 | 湖南中创化工股份有限公司 | Method and device for recycling latent heat of acetic acid removal tower of isopropyl acetate device based on heat pump system |
-
2017
- 2017-05-10 CN CN201720510253.2U patent/CN206739674U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114322358A (en) * | 2021-12-31 | 2022-04-12 | 浙江科维节能技术股份有限公司 | Optimized energy-saving method of steam condensate heat energy recovery system |
| CN114526564A (en) * | 2021-12-31 | 2022-05-24 | 湖南中创化工股份有限公司 | Method and device for recycling latent heat of acetic acid removal tower of isopropyl acetate device based on heat pump system |
| CN114526564B (en) * | 2021-12-31 | 2023-09-29 | 湖南中创化工股份有限公司 | Method and device for recycling latent heat of acetic acid removal tower of isopropyl acetate device based on heat pump system |
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