CN212081678U - Make workshop cooling water waste heat utilization system - Google Patents
Make workshop cooling water waste heat utilization system Download PDFInfo
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- CN212081678U CN212081678U CN202020139505.7U CN202020139505U CN212081678U CN 212081678 U CN212081678 U CN 212081678U CN 202020139505 U CN202020139505 U CN 202020139505U CN 212081678 U CN212081678 U CN 212081678U
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Abstract
A system for utilizing waste heat of cooling water in a brewing workshop belongs to the technical field of heat exchange equipment and comprises a first-stage condenser, a second-stage condenser, a lithium bromide refrigerating unit, a first heat exchanger, a second heat exchanger and a cooling tower, wherein hot fluids of the first-stage condenser and the second-stage condenser are communicated in sequence; wine vapor is condensed by a first-stage condenser and a second-stage condenser in sequence, and the first-stage condenser transfers the heat of the wine vapor to a heat source system through cooling water so as to drive a lithium bromide refrigerating unit to cool the cooling water in the second-stage condenser; the heat of make full use of wine steam cools off cooling water, compares traditional natural cooling mode efficiency higher to cooling water in first order condenser and the second level condenser still lets in first heat exchanger and second heat exchanger respectively and cools off, cools off first heat exchanger, second heat exchanger and lithium bromide refrigerating unit respectively through the cooling tower again, has further improved cooling efficiency, water economy resource.
Description
Technical Field
The utility model relates to a indirect heating equipment technical field especially relates to a make workshop cooling water waste heat utilization system.
Background
Distillation is an important process in liquor brewing, liquor steam obtained after distillation needs to be condensed to obtain finished liquor, the condensing mode is that the liquor steam is generally used as hot fluid to be introduced into a heat exchanger, meanwhile, cooling water is used as cold fluid to be introduced into the heat exchanger to absorb heat of the hot fluid, cooling water output from the heat exchanger contains a large amount of waste heat, and the cooling water is conveyed into a cooling tower or a water tank in the traditional method and returns to a condenser for continuous use after being naturally cooled. This conventional method directly wastes a large amount of waste heat and requires a large amount of cooling water to be reserved in the production process.
SUMMERY OF THE UTILITY MODEL
In view of the above problem, an object of the utility model is to provide a make workshop cooling water waste heat utilization system carries out fractional condensation to wine steam, utilizes the heat drive lithium bromide refrigerator group of the wine steam of absorbing among the condensing process to cool off to the cooling water, and resources are saved improves cooling efficiency.
In order to achieve the above object, the utility model discloses a scheme does: a system for utilizing waste heat of cooling water in a brewing workshop comprises a first-stage condenser, a second-stage condenser, a lithium bromide refrigerating unit, a first heat exchanger, a second heat exchanger and a cooling tower, wherein wine steam sequentially flows through the first-stage condenser and the second-stage condenser;
the water outlet pipeline of the first-stage condenser is respectively communicated with a heat source system in the lithium bromide refrigerating unit and a hot fluid water inlet pipeline of the first heat exchanger through a first three-way valve, the water outlet pipeline of the heat source system is communicated with the hot fluid water inlet pipeline of the first heat exchanger, and the hot fluid water outlet pipeline of the first heat exchanger is communicated with the water inlet pipeline of the first-stage condenser;
the water outlet pipeline of the second-stage condenser is respectively communicated with a refrigerant water system in the lithium bromide refrigerating unit and a hot fluid water inlet pipeline of the second heat exchanger through a second three-way valve, and the refrigerant water system and the hot fluid water outlet pipeline of the second heat exchanger are both communicated with the water inlet pipeline of the second-stage condenser;
and the water outlet pipeline of the cooling tower is respectively communicated with a cooling water system in the lithium bromide refrigerating unit and cold fluid water inlet pipelines of the first heat exchanger and the second heat exchanger, and the water inlet pipelines of the cooling tower are respectively communicated with the cooling water system and the cold fluid water outlet pipelines of the first heat exchanger and the second heat exchanger.
Further, first order condenser and second level condenser all include plate heat exchanger, and plate heat exchanger includes box and a plurality of heat transfer board, and the box is inside to be provided with a cavity to the box relative both ends be provided with respectively one with the heat-flow pipe interface of cavity intercommunication, a plurality of heat transfer boards along the length direction equipartition ground of cavity is arranged and is set up, and the inside of each heat transfer board all is provided with a cavity, and the box relative both sides are provided with a cooling pipe interface respectively, two cooling pipe interfaces respectively with each the cavity intercommunication.
Further, the first-stage condenser comprises two plate heat exchangers communicated in series.
Furthermore, a water inlet pipeline and a water outlet pipeline of the first-stage condenser are respectively and correspondingly provided with a first cache tank and a second cache tank, and a water inlet pipeline of the second-stage condenser is provided with a third cache tank.
Furthermore, the first buffer tank is communicated with a water tank through a water supplementing valve, and the second buffer tank is communicated with a water inlet pipeline of the boiler through a pipeline.
Furthermore, the water outlet pipeline and the water inlet pipeline of the second-stage condenser are respectively and correspondingly communicated with the water outlet pipeline and the water inlet pipeline of the cooling system of the fermentation tank in the brewing workshop.
Furthermore, a water outlet pipeline and a water inlet pipeline of the first-stage condenser and a water inlet pipeline of the second-stage condenser are respectively provided with a water pump.
Furthermore, each water pump is provided with a standby pump in parallel.
Furthermore, a temperature regulating valve is arranged on the cold fluid outlet pipeline of each of the first heat exchanger and the second heat exchanger.
Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:
1. wine vapor is condensed by a first-stage condenser and a second-stage condenser in sequence, and the first-stage condenser transfers the heat of the wine vapor to a heat source system through cooling water so as to drive a lithium bromide refrigerating unit to cool the cooling water in the second-stage condenser; the heat of make full use of wine steam cools off cooling water, compares traditional natural cooling mode efficiency higher for cooling water can reuse fast. And the cooling water in the first-stage condenser and the second-stage condenser is also respectively introduced into the first heat exchanger and the second heat exchanger for cooling, and the first heat exchanger, the second heat exchanger and the lithium bromide refrigerating unit are respectively cooled by the cooling tower, so that the cooling efficiency is further improved, and the water resources are saved. And the whole system adopts closed circulation, so that the water quality is not polluted, the loss of the circulating water is extremely low, and the production water consumption of a company is greatly reduced.
Drawings
FIG. 1 is a schematic view of a system for utilizing the waste heat of cooling water in a brewing plant according to the present invention;
fig. 2 is a schematic structural diagram of the first-stage condenser and the plate heat exchanger of the present invention.
In the figure, 1-a first-stage condenser, 2-a second-stage condenser, 3-a lithium bromide refrigerating unit, 31-a heat source system, 32-a refrigerant water system, 33-a cooling water system, 4-a first heat exchanger, 5-a second heat exchanger, 6-a cooling tower, 7-a plate heat exchanger, 71-a box body, 72-a heat exchange plate, 73-a heat flow pipe interface, 74-a cooling pipe interface, 8-a first three-way valve, 9-a second three-way valve, 10-a first cache tank, 11-a second cache tank, 12-a third cache tank, 13-a water tank, 14-a boiler, 15-a water replenishing valve, 16-a fermentation tank cooling system, 17-a water pump, 18-a backup pump and 19-a temperature regulating valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 2, a preferred embodiment of the present invention provides a system for utilizing waste heat of cooling water in a brewing workshop, comprising a first-stage condenser 1, a second-stage condenser 2, a lithium bromide refrigerating unit 3, a first heat exchanger 4, a second heat exchanger 5 and a cooling tower 6.
The lithium bromide refrigeration unit 3 includes a heat source system 31, a refrigerant water system 32 and a cooling water system 33, and the structure and application thereof are in the prior art, and will not be described in detail herein for brevity.
Wherein, first order condenser 1 and second level condenser 2 all include plate heat exchanger 7. The plate heat exchanger 7 comprises a box body 71 and a plurality of heat exchange plates 72, wherein the box body 71 is rectangular, a cavity is arranged inside the box body along the length direction of the box body, two opposite ends of the box body 71 are respectively provided with a heat flow pipe interface 73 communicated with the cavity, the heat exchange plates 72 are uniformly arranged in the cavity along the length direction of the cavity, a cavity is arranged inside each heat exchange plate 72, two opposite sides of the box body 71 are symmetrically provided with a cooling pipe interface 74, and the two cooling pipe interfaces 74 extend into the cavity and are communicated with each cavity.
Wherein the first stage condenser 1 comprises two plate heat exchangers 7. One heat pipe interface 73 of one plate heat exchanger 7 is communicated with one heat pipe interface 73 of the other plate heat exchanger 7, and the other heat pipe interfaces 73 of the two plate heat exchangers 7 are respectively used as an inlet and an outlet of the hot fluid of the first-stage condenser 1; one cooling pipe joint 74 of one plate heat exchanger 7 is communicated with one cooling pipe joint 74 of the other plate heat exchanger 7, and the other cooling pipe joints 74 of the two plate heat exchangers 7 are respectively used as a water outlet pipeline joint and a water inlet pipeline joint of the first-stage condenser 1 to be introduced with cooling water. In the present embodiment, the heat exchange plate 72 is made of a thin stainless steel plate. This plate heat exchanger 7 compares traditional shell and tube and coil's heat transfer structure, and under the same volume, the area of the indirect contact of cold fluid and hot-fluid promotes greatly, has improved condensation efficiency on the one hand, and correspondingly, on the other hand can make the temperature of cooling water promote to the waste heat utilization value of cooling water has been improved.
The second-stage condenser 2 comprises a plate heat exchanger 7, a heat flow pipe interface 73 of the plate heat exchanger is used as an outlet of hot fluid of the second-stage condenser 2, and another heat flow pipe interface 73 is used as an inlet of the hot fluid of the second-stage condenser 2 and is communicated with an outlet of the hot fluid of the first-stage condenser 1, so that wine steam as the hot fluid can be sequentially condensed by the first-stage condenser 1 and the second-stage condenser 2 to obtain finished rice wine. The two cooling pipe joints 74 of the plate heat exchanger 7 of the second-stage condenser 2 are respectively used as an outlet pipe joint and an inlet pipe joint of the second-stage condenser 2 for introducing cooling water.
The water outlet pipeline of the first-stage condenser 1 is respectively communicated with the heat source system 31 and the hot fluid water inlet pipeline of the first heat exchanger 4 through a first three-way valve 8, the water outlet pipeline of the heat source system 31 is communicated with the hot fluid water inlet pipeline of the first heat exchanger 4, and the hot fluid water outlet pipeline of the first heat exchanger 4 is communicated with the water inlet pipeline of the first-stage condenser 1.
The temperature of the cooling water in the first-stage condenser 1 rises after absorbing the heat of the wine vapor;
when the temperature of the cooling water is higher than 75 degrees, the cooling water flows into the heat source system 31 under the control of the first three-way valve 8 to drive the lithium bromide refrigerating unit 3 to refrigerate, in the process, the cooling water flows into the first heat exchanger 4 after being absorbed with partial heat energy by the heat source system 31, and is cooled by cold fluid in the first heat exchanger 4 as hot fluid of the first heat exchanger 4;
when the temperature of the cooling water is lower than 75 degrees, the cooling water directly flows into the first heat exchanger 4 under the control of the first three-way valve 8, and is used as a hot fluid of the first heat exchanger 4 and is cooled by a cold fluid in the first heat exchanger 4;
the cooling water in the first-stage condenser 1 flows into the water inlet pipeline of the first-stage condenser 1 after being cooled by the first heat exchanger 4 to return to the first-stage condenser 1 and continue to condense the wine steam in the first-stage condenser 1, so that the cooling water in the first-stage condenser 1 can be recycled.
The water outlet pipeline of the second-stage condenser 2 is respectively communicated with the refrigerant water system 32 and the hot fluid water inlet pipeline of the second heat exchanger 5 through a second three-way valve 9, and the water outlet pipeline of the refrigerant water system 32 and the hot fluid water outlet pipeline of the second heat exchanger 5 are both communicated with the water inlet pipeline of the second-stage condenser 2.
The temperature of the cooling water in the second-stage condenser 2 rises after absorbing the heat of the wine vapor;
when the cooling water in the first-stage condenser 1 enters the heat source system 31, under the control of the second three-way valve 9, the cooling water in the second-stage condenser 2 directly flows into the refrigerant water system 32, is cooled by the refrigerant water system 32 and then returns to the second-stage condenser 2, and wine vapor in the second-stage condenser 2 is continuously condensed;
when the cooling water in the first-stage condenser 1 directly enters the first heat exchanger 4 without passing through the heat source system 31, under the control of the second three-way valve 9, the cooling water in the second-stage condenser 2 directly flows into the second heat exchanger 5, is cooled by the cooling water in the second-stage condenser 2 as the heat fluid of the second heat exchanger 5, returns to the second-stage condenser 2 after being cooled by the second heat exchanger 5, and continues to condense the wine steam in the second-stage condenser 2.
The water outlet pipeline of the cooling tower 6 is respectively communicated with the cooling water system 33 and the cold fluid water inlet pipelines of the first heat exchanger 4 and the second heat exchanger 5, the water inlet pipeline of the cooling tower 6 is respectively communicated with the cooling water system 33 and the cold fluid water outlet pipelines of the first heat exchanger 4 and the second heat exchanger 5, the cooling water system 33 can be cooled by circulating water in the cooling tower 6, and the circulating water in the cooling tower 6 is also used as cold fluids of the first heat exchanger 4 and the second heat exchanger 5 to be respectively introduced into the first heat exchanger 4 and the second heat exchanger 5 so as to cool hot fluids in the first heat exchanger 4 and the second heat exchanger 5.
Preferably, a first buffer tank 10 is arranged on the water outlet pipeline of the first-stage condenser 1, a second buffer tank 11 is arranged on the water inlet pipeline of the first-stage condenser, and a third buffer tank 12 is arranged on the water inlet pipeline of the second-stage condenser 2.
Preferably, the first buffer tank 10 is connected with a water replenishing valve 15. A water inlet pipeline of the water replenishing valve 15 is communicated with a water tank 13 used for storing cooling water, a water outlet pipeline of the water replenishing valve 15 is communicated with an inner cavity of the first cache tank 10, so that when the water replenishing valve 15 is opened, the cooling water in the water tank 13 can be replenished into the first cache tank 10, and the second cache tank 11 is provided with a pipeline communicated with a water inlet pipeline of the boiler 14. An open loop system is formed by the water tank 13, the boiler 14 and the first-stage condenser 1, so that high-temperature cooling water after absorbing the heat of the wine steam can be supplemented into the boiler 14, the heat of the wine steam is fully utilized, the energy consumption of the boiler 14 is reduced, and the energy is saved.
Preferably, the water outlet line of the second-stage condenser 2 is in communication with the water outlet line of the fermenter cooling system 16 in the brewing plant, and the water inlet line of the second-stage condenser 2 is in communication with the water inlet line of the fermenter cooling system 16 in the brewing plant, so that the cooling water of the fermenter cooling system 16 can enter the refrigerant water system 32 or the second heat exchanger 5 for cooling and, after cooling, return to the fermenter cooling system 16 for further cooling of the fermenter. The cooling water is merged into the cooling system 16 of the fermentation tank, so that the cooling water of the cooling system 16 of the fermentation tank can be recycled, and the purposes of saving resources and rapidly cooling are achieved.
Preferably, the water outlet pipeline and the water inlet pipeline of the first-stage condenser 1, the water inlet pipeline of the second-stage condenser 2 and the water outlet pipeline of the cooling tower 6 are all provided with water pumps 17. By the action of the water pump 17, the pressure of the fluid in the corresponding pipeline can be increased, and the flow of the fluid can be accelerated.
Preferably, each water pump 17 is provided with a backup pump 18 in parallel, a water inlet pipeline of which is communicated with a water inlet pipeline of the water pump 17, and a water outlet pipeline of which is communicated with a water outlet pipeline of the water pump 17. Because the liquid circulates in the pipeline, the water pump 17 is troublesome to replace once having a fault, and the standby pump 18 can be applied and used when the water pump 17 has a fault, so that the normal operation of the whole waste heat utilization system is ensured.
Preferably, a temperature regulating valve 19 is installed on the cold fluid outlet pipeline of each of the first heat exchanger 4 and the second heat exchanger 5. When the temperature of the cooling water in the first heat exchanger 4 and the second heat exchanger 5 is lower than a set value under the control of the temperature regulating valve 19, the flow rate of the cooling water is reduced under the control thereof so that the heat of the hot fluid can be sufficiently transferred to the cooling water; when the temperature of the cooling water of the first heat exchanger 4 and the second heat exchanger 5 is higher than the set value, the flow rate of the cooling water is increased under the control of the first heat exchanger 4 and the second heat exchanger 5, and the low-temperature cooling water is supplemented to cool the hot fluid in the first heat exchanger 4 and the second heat exchanger 5. In the present embodiment, the structure and connection of the temperature regulating valve 19 are all prior art and will not be described in detail herein for brevity. The flow rate of the cooling water in the first heat exchanger 4 and the second heat exchanger 5 is adjusted by the temperature adjusting valve 19, and the working efficiency of the first heat exchanger 4 and the second heat exchanger 5 can be effectively improved.
Preferably, the cooling water used in the first-stage condenser 1 and the second-stage condenser 2, and the circulating water used in the cooling tower 7 are softened water. The softened water can avoid the scaling problem in the equipment, and the high-temperature softened water can be directly introduced into the boiler 14 to be heated to generate steam, so that the energy is saved.
The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.
Claims (9)
1. The utility model provides a make workshop cooling water waste heat utilization system which characterized in that: the system comprises a first-stage condenser (1), a second-stage condenser (2), a lithium bromide refrigerating unit (3), a first heat exchanger (4), a second heat exchanger (5) and a cooling tower (6), wherein wine steam flows through the first-stage condenser (1) and the second-stage condenser (2) in sequence;
the water outlet pipeline of the first-stage condenser (1) is respectively communicated with a heat source system (31) in the lithium bromide refrigerating unit (3) and a hot fluid water inlet pipeline of the first heat exchanger (4) through a first three-way valve (8), the water outlet pipeline of the heat source system (31) is communicated with the hot fluid water inlet pipeline of the first heat exchanger (4), and the hot fluid water outlet pipeline of the first heat exchanger (4) is communicated with the water inlet pipeline of the first-stage condenser (1);
a water outlet pipeline of the second-stage condenser (2) is respectively communicated with a refrigerant water system (32) in the lithium bromide refrigerating unit (3) and a hot fluid water inlet pipeline of the second heat exchanger (5) through a second three-way valve (9), and hot fluid water outlet pipelines of the refrigerant water system (32) and the second heat exchanger (5) are communicated with a water inlet pipeline of the second-stage condenser (2);
and the water outlet pipeline of the cooling tower (6) is respectively communicated with a cooling water system (33) in the lithium bromide refrigerating unit (3) and cold fluid water inlet pipelines of the first heat exchanger (4) and the second heat exchanger (5), and the water inlet pipelines of the cooling tower are respectively communicated with the cooling water system (33) and cold fluid water outlet pipelines of the first heat exchanger (4) and the second heat exchanger (5).
2. The brewing plant cooling water waste heat utilization system of claim 1, characterized in that: first order condenser (1) all includes plate heat exchanger (7) with second level condenser (2), and plate heat exchanger (7) include box (71) and a plurality of heat transfer board (72), and box (71) inside is provided with a cavity to box (71) relative both ends be provided with respectively one with heat-flow pipe interface (73) of cavity intercommunication, a plurality of heat transfer board (72) are followed the length direction equipartition of cavity is arranged the setting to the inside of each heat transfer board (72) all is provided with a cavity, and box (71) relative both sides are provided with a cooling pipe interface (74) respectively, two cooling pipe interfaces (74) respectively with each the cavity intercommunication.
3. The brewing plant cooling water waste heat utilization system according to claim 2, characterized in that: the first-stage condenser (1) comprises two plate heat exchangers (7) which are communicated in series.
4. The brewing plant cooling water waste heat utilization system of claim 1, characterized in that: a water inlet pipeline and a water outlet pipeline of the first-stage condenser (1) are respectively and correspondingly provided with a first cache tank (10) and a second cache tank (11), and a water inlet pipeline of the second-stage condenser (2) is provided with a third cache tank (12).
5. The brewing plant cooling water waste heat utilization system according to claim 4, characterized in that: the first buffer tank (10) is communicated with a water tank (13) through a water supplementing valve (15), and the second buffer tank (11) is communicated with a water inlet pipeline of the boiler (14) through a pipeline.
6. The brewing plant cooling water waste heat utilization system of claim 1, characterized in that: the water outlet pipeline and the water inlet pipeline of the second-stage condenser (2) are respectively and correspondingly communicated with the water outlet pipeline and the water inlet pipeline of a fermentation tank cooling system (16) in the brewing workshop.
7. The brewing plant cooling water waste heat utilization system of claim 1, characterized in that: the water outlet pipeline and the water inlet pipeline of the first-stage condenser (1) and the water inlet pipeline of the second-stage condenser (2) are respectively provided with a water pump (17).
8. The brewing plant cooling water waste heat utilization system according to claim 7, characterized in that: each water pump (17) is provided with a standby pump (18) in parallel.
9. The brewing plant cooling water waste heat utilization system of claim 1, characterized in that: and cold fluid outlet pipelines of the first heat exchanger (4) and the second heat exchanger (5) are respectively provided with a temperature regulating valve (19).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020139505.7U CN212081678U (en) | 2020-01-21 | 2020-01-21 | Make workshop cooling water waste heat utilization system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020139505.7U CN212081678U (en) | 2020-01-21 | 2020-01-21 | Make workshop cooling water waste heat utilization system |
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| CN212081678U true CN212081678U (en) | 2020-12-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113310246A (en) * | 2021-05-24 | 2021-08-27 | 江苏双良节能环保工程技术有限公司 | Wine condensation heat energy comprehensive utilization system and heat energy comprehensive utilization method |
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2020
- 2020-01-21 CN CN202020139505.7U patent/CN212081678U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113310246A (en) * | 2021-05-24 | 2021-08-27 | 江苏双良节能环保工程技术有限公司 | Wine condensation heat energy comprehensive utilization system and heat energy comprehensive utilization method |
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