CN202993646U - Heat-reacting recycling and reusing system of polyester device - Google Patents
Heat-reacting recycling and reusing system of polyester device Download PDFInfo
- Publication number
- CN202993646U CN202993646U CN2012205064468U CN201220506446U CN202993646U CN 202993646 U CN202993646 U CN 202993646U CN 2012205064468 U CN2012205064468 U CN 2012205064468U CN 201220506446 U CN201220506446 U CN 201220506446U CN 202993646 U CN202993646 U CN 202993646U
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- Prior art keywords
- heat exchanger
- hot water
- plate type
- pipeline
- type heat
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/62—Absorption based systems
- Y02B30/625—Absorption based systems combined with heat or power generation [CHP], e.g. trigeneration
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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
Abstract
The utility model relates to the heat-recycling and heat-reusing field and provides a heat-reacting recycling and reusing system of a polyester device in order to solve the problems that the polyester device needs cooling in the production process leading to an increase of production cost. The system comprises a processing tower and a shell-and-tube heat exchanger. The recycling and the reusing system further comprises a plate heat exchanger, a refrigerator, a hot water circulating pump, a plurality of valves and a plurality of pipelines, wherein the processing tower and the heat exchanger are connected with each other to form a circulation line through pipelines. The heat exchanger, the refrigerator and the hot water circulating pump are connected to form the circulation line through the pipelines. The pipelines are provided with the plurality of the valves. The system has the advantages of being energy-saving and cost-reducing, reducing production cost of enterprises and improving enterprise competitiveness.
Description
Technical field
The utility model relates to the recycling field of heat, relates in particular to a kind of recycling system of polyester device heat of reaction.
Background technology
polyester device is under normal production status at present, can produce a large amount of ethylene glycol and the mixed vapour of water during due to reaction, this part mixed vapour need to arrive in process tower and separate, isolated ethylene glycol reclaims and continues to use, waste water enters sewage disposal system, can produce a large amount of steam in the process of process tower separating ethylene glycol and waste water, be the normal operation that keeps producing, need to carry out cooling to the steam that process tower produces, what usually take is with recirculated cooling water or air cooler etc., no matter take which kind of mode cooling, all need the electric energy that provides a large amount of, when using water quench as the polyester device of 1200T/D, per hour need power consumption in the 200KW left and right, annual refrigeration costs is about 1,340,000 RMB, increased production cost, make enterprise profit space minimizing.
Application number is that 03108793.0 Chinese patent discloses a kind of polyester direct spinning short fiber combined unit glycol dehydration overhead vapours recovery process, this invention is used the absorption tower to reclaim and is produced the hot water of 100 ℃, and take full advantage of advantage and the present situation of combined unit, utilize lithium-bromide absorption-type refrigerating machine, be aided with water-water heat exchanger this part heat is fully recycled, for the central air conditioner system of fiber building provides 7 ℃ of chilled waters and heat medium, realized the purpose that continuous circulation is recycled, but process is complicated.
The utility model content
Need in process of production cooling for solving polyester device, thereby increased the problem of production cost, the utility model proposes a kind of recycling system of polyester device heat of reaction, utilized native system to save energy and reduce the cost, reduce enterprise's production cost, improve enterprise competitiveness.
The utility model is achieved through the following technical solutions: a kind of recycling system of polyester device heat of reaction, comprise process tower, tubular heat exchanger and valve connect into circulation line by pipeline, described recycling system also comprises plate type heat exchanger, refrigeration machine, hot water circulating pump, some valves and some pipelines, connect into circulation line by pipeline between process tower and plate type heat exchanger, plate type heat exchanger, refrigeration machine and hot water circulating pump connect into circulation line by pipeline, and pipeline is provided with some valves.
The cooling water inlet of the steam (vapor) outlet of process tower, tubular heat exchanger, process tower connects into circulation line by pipeline, is provided with valve between the steam (vapor) outlet of process tower, tubular heat exchanger, and this valve is electric control valve.Join by pipeline at the steam (vapor) outlet of process tower and the steam inlet of plate type heat exchanger, pipeline is provided with a valve, and the cooling water outlet of plate type heat exchanger is connected by pipeline with the cooling water inlet of process tower.Steam (vapor) outlet is located at the top of process tower, and cooling water inlet is located at the bottom of process tower.
The hot water outlet of plate type heat exchanger is connected by pipeline with the hot water inlet of refrigeration machine, pipeline between plate type heat exchanger and refrigeration machine is provided with two valves, the cooling water outlet of refrigeration machine is connected with the cooling water inlet of plate type heat exchanger by hot water circulating pump, be provided with a valve between refrigeration machine and hot water circulating pump, be provided with a valve between hot water circulating pump and plate type heat exchanger.By valve, can change flow direction and the Flow-rate adjustment of gas, liquid in running.Plate type heat exchanger is thinner, good effect of heat exchange.
As preferably, refrigeration machine is lithium bromide refrigerator.
In prior art, the steam heat that the polyester device process tower produces is all directly to remove tubular heat exchanger by valve, utilizes a large amount of cooling waters to carry out the cooling even running of guaranteeing device.And the steam that the utility model polyester device process tower produces enters in plate type heat exchanger, carries out energy exchange in heat exchanger, and the hot water of generation enters in lithium bromide refrigerator, and hot water provides energy to refrigeration machine, produces the chilled water that enterprise need to use.The hot water that enters refrigeration machine is emitted heat after by refrigeration machine and is pressurizeed by heat-exchanger pump and enter the steam that heat exchanger and process tower produce and carry out heat exchange.The repetitive cycling said process just can be the heat recovery and utilization of process tower generation, and process is simple.
The utility model cost investment is in 2,000,000 about RMB, and the power consumption when being equivalent to for the using electricity wisely 500KW. of enterprise by the chilled water that utilizes lithium bromide refrigerator to produce, and accomplishes small investment, and organic efficiency is high.
Compared with prior art the beneficial effects of the utility model are:
(1) energy-saving and cost-reducing, reduce enterprise's production cost, improve enterprise competitiveness.
(2) the utility model process is simple, and small investment, organic efficiency are high.
Description of drawings
Fig. 1 is flow chart of the present utility model.
In figure, 1: process tower, 11: steam (vapor) outlet, 12: cooling water inlet, 2: plate type heat exchanger, 21: steam inlet, 22: cooling water outlet, 23: hot water outlet, 24: cooling water inlet, 3: refrigeration machine, 31: hot water inlet, 32: cooling water outlet, 4: hot water circulating pump, 5: valve, 6: tubular heat exchanger.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Embodiment
As shown in Figure 1, a kind of recycling system of polyester device heat of reaction, by process tower 1, plate type heat exchanger 2, lithium bromide refrigerator 3, hot water circulating pump 4,6 valves 5, tubular heat exchanger 6 and pipelines form.The steam (vapor) outlet 11 on process tower 1 top is by the cooling water inlet 12 formation circulating lines of valve 5 with tubular heat exchanger 6, process tower, the steam (vapor) outlet 11 on process tower 1 top joins by pipeline with the steam inlet 21 of plate type heat exchanger 2 simultaneously, pipeline is provided with a valve 5, and the cooling water outlet 22 of plate type heat exchanger 2 is connected by pipeline with the cooling water inlet 12 of process tower bottom.Connect into circulation line by pipeline between process tower 1 and plate type heat exchanger 2.The hot water outlet 23 of plate type heat exchanger 2 is connected by pipeline with the hot water inlet 31 of lithium bromide refrigerator 3, pipeline between plate type heat exchanger 2 and lithium bromide refrigerator 3 is provided with two valves 5, the cooling water outlet 32 of lithium bromide refrigerator 3 is connected with the cooling water inlet 24 of plate type heat exchanger 2 by hot water circulating pump 4, be provided with a valve 5 between lithium bromide refrigerator 3 and hot water circulating pump 4, be provided with a valve 5 between hot water circulating pump 4 and plate type heat exchanger 2, plate type heat exchanger 2, lithium bromide refrigerator 3 connect into circulation line with hot water circulating pump 4 by pipeline.
During work, first start heat-exchanger pump 4, open successively all valves 5 between plate type heat exchanger 2, lithium bromide refrigerator 3, hot water circulating pump 4, the valve opening size is come controlling opening of valve according to thermic load.Hot-water heating system operation and after, at the valve 5 of opening between process tower 1 and plate type heat exchanger 2, make the steam of process tower 1 enter plate type heat exchanger 2 and water carries out heat exchange.The vapours of process tower becomes by after release heat the bottom that warm water is got back to process tower.The hot water that the water of accepting heat in plate type heat exchanger becomes 96 degrees centigrade of left and right enters in lithium bromide refrigerator, when the hot water temperature to 90 in lithium bromide refrigerator degree centigrade, just opens lithium bromide refrigerator and starts working.The hot water that enters lithium bromide refrigerator is by release heat after refrigeration machine, and water temperature drops to 70 degrees centigrade of left and right, then pressurize by hot water circulating pump and enter in plate type heat exchanger, carries out exchange heat with the steam of process tower generation.The repetitive cycling said process just can be the heat recovery and utilization of process tower generation, and process is simple, small investment, and organic efficiency is high.
Valve between process tower 1 and tubular heat exchanger makes the hot water temperature maintain all the time the temperature range that we need according to hot water design temperature automatic regulating valve door aperture.The hot water temperature steadily, guarantee the lithium bromide refrigerator steady operation, produce temperature stably chilled water for the central air-conditioning of spinning production and Administrative Area.
Claims (6)
1. the recycling system of a polyester device heat of reaction, comprise process tower (1), tubular heat exchanger (6) and valve (5) connect into circulation line by pipeline, it is characterized in that, described recycling system also comprises plate type heat exchanger (2), refrigeration machine (3), hot water circulating pump (4), some valves (5) and some pipelines, connect into circulation line by pipeline between process tower (1) and plate type heat exchanger (2), plate type heat exchanger (2), refrigeration machine (3) connects into circulation line with hot water circulating pump (4) by pipeline, pipeline is provided with some valves (5).
2. the recycling system of a kind of polyester device heat of reaction according to claim 1, it is characterized in that, the steam (vapor) outlet (11) of process tower (1) joins by pipeline with the steam inlet (21) of plate type heat exchanger (2), pipeline is provided with (1) individual valve, and the cooling water outlet (22) of plate type heat exchanger (2) is connected by pipeline with the cooling water inlet (12) of process tower (1).
3. the recycling system of a kind of polyester device heat of reaction according to claim 1, is characterized in that, steam (vapor) outlet (11) is located at the top of process tower 1, and cooling water inlet (12) is located at the bottom of process tower (1).
4. the recycling system of a kind of polyester device heat of reaction according to claim 1, it is characterized in that, the hot water outlet (23) of plate type heat exchanger (2) is connected by pipeline with the hot water inlet (31) of refrigeration machine, and the cooling water outlet of refrigeration machine (32) is connected with the cooling water inlet (24) of plate type heat exchanger (1) by hot water circulating pump (4).
5. the recycling system of a kind of polyester device heat of reaction according to claim 4, it is characterized in that, pipeline between plate type heat exchanger (2) and refrigeration machine (3) is provided with 2 valves, be provided with 1 valve between refrigeration machine (3) and hot water circulating pump (4), be provided with 1 valve between hot water circulating pump (4) and plate type heat exchanger (2).
6. the recycling system of according to claim 1 or 4 or 5 described a kind of polyester device heat of reaction, is characterized in that, refrigeration machine (3) is lithium bromide refrigerator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205064468U CN202993646U (en) | 2012-09-29 | 2012-09-29 | Heat-reacting recycling and reusing system of polyester device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205064468U CN202993646U (en) | 2012-09-29 | 2012-09-29 | Heat-reacting recycling and reusing system of polyester device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202993646U true CN202993646U (en) | 2013-06-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012205064468U Expired - Lifetime CN202993646U (en) | 2012-09-29 | 2012-09-29 | Heat-reacting recycling and reusing system of polyester device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202993646U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103342807A (en) * | 2013-07-10 | 2013-10-09 | 浙江万凯新材料有限公司 | Stable structure of polyester process tower |
| CN110354788A (en) * | 2019-08-09 | 2019-10-22 | 江苏恒科新材料有限公司 | A kind of esterification device of polyester |
| CN110513906A (en) * | 2019-08-23 | 2019-11-29 | 北京石油化工工程有限公司 | A kind of chemical reaction low temperature heat cooling system and method |
-
2012
- 2012-09-29 CN CN2012205064468U patent/CN202993646U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103342807A (en) * | 2013-07-10 | 2013-10-09 | 浙江万凯新材料有限公司 | Stable structure of polyester process tower |
| CN110354788A (en) * | 2019-08-09 | 2019-10-22 | 江苏恒科新材料有限公司 | A kind of esterification device of polyester |
| CN110513906A (en) * | 2019-08-23 | 2019-11-29 | 北京石油化工工程有限公司 | A kind of chemical reaction low temperature heat cooling system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130612 |