CN102515298A - System for recovering methanol and wastewater heat in production of trademark material - Google Patents
System for recovering methanol and wastewater heat in production of trademark material Download PDFInfo
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- CN102515298A CN102515298A CN2011104318359A CN201110431835A CN102515298A CN 102515298 A CN102515298 A CN 102515298A CN 2011104318359 A CN2011104318359 A CN 2011104318359A CN 201110431835 A CN201110431835 A CN 201110431835A CN 102515298 A CN102515298 A CN 102515298A
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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
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Abstract
The invention discloses a system for recovering methanol and wastewater heat in the production of a trademark material. The system which comprises a wastewater storage tank, a recovery tower, a steam input tube, a steam amount automatic adjustment mechanism, a methanol recovery device, a heating pot and a wastewater processing device is characterized in that the first inlet of the wastewater storage tank is connected to a production wastewater discharging tube, the top outlet of the wastewater storage tank is connected to the top inlet of the recovery tower, the steam input tube is connected to the bottom inlet of the recovery tower, the bottom outlet of the recovery tower is connected to the second inlet of the wastewater storage tank through a hot water pump, the top outlet of the recovery tower is connected to the methanol recovery device, and the steam input tube is provided with the steam amount automatic adjustment mechanism; and several end-to-end water tubes are arranged in the heating pot, the external of the water tubes is a heating chamber, front ends of the water tubes are a tap water inlet, rear ends of the water tubes are a hot water outlet, the heating chamber is provided with a wastewater inlet and a wastewater outlet, the bottom outlet of the wastewater storage tank is connected to the wastewater inlet of the heating chamber, and the wastewater outlet of the heating chamber is connected to the wastewater processing device. The system has the advantages of control accuracy improvement, methanol recovery effect improvement, full energy utilization, and energy saving, so energy saving and emission reduction effects are reached.
Description
[technical field]
The present invention relates to the brand material production system, especially in the brand material production process, the methyl alcohol in waste water heat and the waste water carried out the system of recycling.
[background technology]
Brand material is widely used in industries such as clothes, family spin, boots cap, toy.The production process of brand material is to adopt embryo cloth such as nylon, trevira, cellulose acetate, blending, pure cotton fabric and non-woven fabrics, through coating, washing, oven dry, after the process that obtains brand material after the processing such as put, cut in order.
Can produce the waste water that contains methyl alcohol in a large number in the brand material production process, after these waste water got into the waste water hold-up vessel, methyl alcohol got into regenerating column from the top, and behind the feeding high-temperature steam, methyl alcohol is recycled from the top entering retrieving arrangement of regenerating column in regenerating column.
At present, be provided with manual modulation valve, be used for the feeding amount of steam regulation at steam-in place; With the temperature and pressure in the control regenerating column, this adjusting mode not only needs the special messenger to nurse operation, waste of manpower; And complicated operating process; The regulating and controlling weak effect often has than large deviation the actual temperature in the regenerating column with the temperature that needs, influence the Methanol Recovery effect.
Have heat in the waste water that produces in the production process, these waste water generally all are directly to emit through after the wastewater treatment after reclaiming working substance (methyl alcohol etc.) through regenerating column again; In addition, the steam that feeds in the regenerating column also is directly to emit after passing through wastewater treatment; And itself need a large amount of process heated hot water in the production process of brand material, therefore, caused very big heat waste in the whole process of production; Consume a large amount of energy, be unfavorable for energy-saving and emission-reduction.
[summary of the invention]
The object of the invention solves the problems of the prior art exactly; Methyl alcohol and waste water heat recovery system in a kind of brand material production are proposed; Can regulate the steam feeding amount in the regenerating column automatically; Accurately the temperature and pressure in the control regenerating column not only can be saved manpower, and can improve the Methanol Recovery effect; Simultaneously, can carry out recycling, make full use of energy, save the energy, reach the purpose of energy-saving and emission-reduction the heat in the waste water.
For realizing above-mentioned purpose; The present invention proposes methyl alcohol and waste water heat recovery system in a kind of brand material production; Comprise waste water hold-up vessel, regenerating column, steam input pipe, steam quantity automatic regulation mechanism, Methanol Recovery device, heating tank and wastewater treatment equipment; First inlet of said waste water hold-up vessel is connected to the factory effluent delivery pipe; The top exit of waste water hold-up vessel is connected to the top inlet of regenerating column, and steam input pipe is connected to the bottom inlet of regenerating column, and the outlet at bottom of regenerating column is connected to second inlet of waste water hold-up vessel through hot water pump; The top exit of regenerating column is connected to the Methanol Recovery device, and said steam input pipe is provided with the steam quantity automatic regulation mechanism; Be provided with some end to end water pipes in the said heating tank; The water pipe outside is a heating chamber; The front end of water pipe is a running water inlet, and the rear end of water pipe is a hot water outlet, and heating chamber is provided with waste water import and wastewater outlet; The outlet at bottom of waste water hold-up vessel is connected to the waste water import on the heating chamber, and the wastewater outlet on the heating chamber is connected to wastewater treatment equipment.
As preferably; Said steam quantity automatic regulation mechanism comprises temperature-sensing valve, temperature controller and TP, and said temperature-sensing valve is located on the steam input pipe, and TP is located in the regenerating column; Said TP is connected to the input terminus of temperature controller; Temperature-sensing valve is connected to the output terminal of TP, and is simple in structure, and cost is low.
As preferably, said TP adopts the PT100 TP, and effective, cost is low.
As preferably, also be parallel with manual modulation valve on the said temperature-sensing valve, further facilitate use.
As preferably, said waste water import and wastewater outlet are located at the right lower quadrant and the upper right quarter of heating chamber respectively, and the right side of heating chamber adopts dividing plate to be separated into epicoele and cavity of resorption, and the waste water flow process is longer, has improved heats.
As preferably, said waste water import and wastewater outlet are located at the lower left quarter and the upper right quarter of heating chamber respectively, and simple in structure, cost is low.
As preferably, said water pipe uniform distribution in heating tank has further improved heats.
Beneficial effect of the present invention: the present invention adopts the steam quantity automatic regulation mechanism; Can come the feeding amount of steam regulation automatically according to the actual temperature in the regenerating column; Thereby the temperature and pressure in the control regenerating column; Not only save manpower, and improved the tolerance range of control, improved the Methanol Recovery effect.Waste water to having heat in producing has carried out heat recovery and utilization, has made full use of energy, has saved the energy, has reached the effect of energy-saving and emission-reduction.The present invention is simple in structure, and it is convenient to realize, cost is low, also greatly reduces production cost simultaneously.
Characteristic of the present invention and advantage will combine accompanying drawing to be elaborated through embodiment.
[description of drawings]
Fig. 1 is methyl alcohol and the structural representation of waste water heat recovery system embodiment one during brand material of the present invention is produced;
Fig. 2 is methyl alcohol and the structural representation of waste water heat recovery system embodiment two during brand material of the present invention is produced.
[embodiment]
Embodiment one:
Consult Fig. 1; Methyl alcohol and waste water heat recovery system during brand material is produced; Comprise waste water hold-up vessel 1, regenerating column 2, steam input pipe 5, steam quantity automatic regulation mechanism, Methanol Recovery device 3, heating tank 12 and wastewater treatment equipment 4, first inlet of said waste water hold-up vessel 1 is connected to factory effluent delivery pipe 7, and the top exit of waste water hold-up vessel 1 is connected to the top inlet of regenerating column 2; Steam input pipe 5 is connected to the bottom inlet of regenerating column 2; The outlet at bottom of regenerating column 2 is connected to second of waste water hold-up vessel 1 through hot water pump 8 and enters the mouth, and the top exit of regenerating column 2 is connected to Methanol Recovery device 3, and said steam input pipe 5 is provided with the steam quantity automatic regulation mechanism; The steam quantity automatic regulation mechanism comprises temperature-sensing valve 9, temperature controller 11 and TP 10; Said temperature-sensing valve 9 is located on the steam input pipe 5, and TP 10 is located in the regenerating column 2, and said TP 10 is connected to the input terminus of temperature controller 11; Temperature-sensing valve 9 is connected to the output terminal of TP 10, and TP 10 adopts the PT100 TP.
As replenishing of automatic regulating mechanism, on temperature-sensing valve 9, also be parallel with manual modulation valve 6, can be for workman's manual operation under specific circumstances, the convenient use.
The working process of Methanol Recovery part: after the waste water that also has methyl alcohol that from factory effluent delivery pipe 7, comes out gets into waste water hold-up vessel 1; Methyl alcohol gets into regenerating column 2 from top exit; Top from regenerating column 2 after regenerating column 2 is handled gets into Methanol Recovery device 3, and the outlet at bottom of the hot water process waste water hold-up vessel 1 that comes out in remaining waste water and the regenerating column 2 flows to wastewater treatment equipment 4 and handles the back discharging.In the whole process, TP 10 is responded to the actual temperature in the regenerating column 2 in real time, and actual temperature value is fed back to temperature controller 11; Temperature controller 11 compares the actual temperature value of measuring and the temperature value of default, turns down if actual temperature, is then controlled temperature-sensing valve 9 greater than design temperature; Reduce the feeding of quantity of steam, make regenerating column 2 interior temperature more near set(ting)value, otherwise; If actual temperature, is then controlled temperature-sensing valve 9 less than design temperature and opened greatly, increase the feeding of quantity of steam; Make regenerating column 2 interior temperature more near set(ting)value, thereby realized automatic adjusting control, whole process does not need manual operation; And control is very accurate, and error is very little, thereby has improved the Methanol Recovery effect.
Be provided with some end to end water pipes 13 in the said heating tank 12; Water pipe 13 outsides are heating chamber 14, and the front end of water pipe 13 is a running water inlet, and the rear end of water pipe 13 is a hot water outlet; Heating chamber 14 is provided with waste water import 15 and wastewater outlet 16; The outlet at bottom of waste water hold-up vessel 1 is connected to the waste water import 15 on the heating chamber 14, and the wastewater outlet 16 on the heating chamber 14 is connected to wastewater treatment equipment 4, and water pipe 13 is uniform distribution in heating tank 12.
In the present embodiment, waste water import 15 and wastewater outlet 16 are located at the right lower quadrant and the upper right quarter of heating chamber 14 respectively, and the right side of heating chamber 14 adopts dividing plate to be separated into epicoele and cavity of resorption; Waste water flows to the left side at cavity of resorption earlier from the right side like this, flows to top by the bottom, left side again, and then flows to the right side at epicoele from the left side; Flow out at last; The flow process of waste water in whole heating chamber 14 is longer, and heats is better, can make tap water fully absorb heat in the waste water.
The working process of waste water heat recovery and utilization part: the band heat that from factory effluent delivery pipe 7, comes out with have the recyclable waste water that utilizes material and get into waste water hold-up vessel 1 after; The recyclable material that utilizes gets into regenerating column 2 from top exit; Top from regenerating column 2 after regenerating column 2 is handled gets into retrieving arrangement; The outlet at bottom of the hot water process waste water hold-up vessel 1 that comes out in the waste water of remaining band heat and the regenerating column 2 flows to the waste water import 15 of heating chamber 14, and the water temperature at the outlet at bottom place of waste water hold-up vessel 1 feeds the tap water of normal temperature more than 90 ℃ in the water pipe 13 in the heating tank 12; After the heating of the waste water in the heating chamber 14; The water temperature of coming out from hot water outlet reaches more than 65 ℃, reaches the demand of production, and waste water is then handled the back discharging through getting into wastewater treatment equipment 4 after the thermal exchange.
Embodiment two:
Consult Fig. 2, the key distinction of present embodiment and embodiment one is that the on-link mode (OLM) of waste water heat recovery and utilization part is distinguished to some extent, and waste water import 15 and wastewater outlet 16 are located at the lower left quarter and the upper right quarter of heating chamber 6 respectively, and this is simple in structure, and is easy to process.
The foregoing description is to explanation of the present invention, is not to qualification of the present invention, any scheme after the simple transformation of the present invention is all belonged to protection scope of the present invention.
Claims (7)
1. methyl alcohol and waste water heat recovery system during brand material is produced; It is characterized in that: comprise waste water hold-up vessel, regenerating column, steam input pipe, steam quantity automatic regulation mechanism, Methanol Recovery device, heating tank and wastewater treatment equipment; First inlet of said waste water hold-up vessel is connected to the factory effluent delivery pipe; The top exit of waste water hold-up vessel is connected to the top inlet of regenerating column, and steam input pipe is connected to the bottom inlet of regenerating column, and the outlet at bottom of regenerating column is connected to second inlet of waste water hold-up vessel through hot water pump; The top exit of regenerating column is connected to the Methanol Recovery device, and said steam input pipe is provided with the steam quantity automatic regulation mechanism; Be provided with some end to end water pipes in the said heating tank; The water pipe outside is a heating chamber; The front end of water pipe is a running water inlet, and the rear end of water pipe is a hot water outlet, and heating chamber is provided with waste water import and wastewater outlet; The outlet at bottom of waste water hold-up vessel is connected to the waste water import on the heating chamber, and the wastewater outlet on the heating chamber is connected to wastewater treatment equipment.
2. methyl alcohol and waste water heat recovery system during brand material as claimed in claim 1 is produced; It is characterized in that: said steam quantity automatic regulation mechanism comprises temperature-sensing valve, temperature controller and TP; Said temperature-sensing valve is located on the steam input pipe; TP is located in the regenerating column, and said TP is connected to the input terminus of temperature controller, and temperature-sensing valve is connected to the output terminal of TP.
3. methyl alcohol and waste water heat recovery system during brand material as claimed in claim 2 is produced is characterized in that: said TP adopts the PT100 TP.
4. methyl alcohol and waste water heat recovery system during brand material as claimed in claim 2 is produced is characterized in that: also be parallel with manual modulation valve on the said temperature-sensing valve.
5. methyl alcohol and waste water heat recovery system during brand material as claimed in claim 1 is produced; It is characterized in that: said waste water import and wastewater outlet are located at the right lower quadrant and the upper right quarter of heating chamber respectively, and the right side of heating chamber adopts dividing plate to be separated into epicoele and cavity of resorption.
6. methyl alcohol and waste water heat recovery system during brand material as claimed in claim 1 is produced, it is characterized in that: said waste water import and wastewater outlet are located at the lower left quarter and the upper right quarter of heating chamber respectively.
7. like methyl alcohol and waste water heat recovery system during each described brand material is produced in the claim 1～6, it is characterized in that: said water pipe uniform distribution in heating tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104318359A CN102515298B (en) | 2011-12-22 | 2011-12-22 | System for recovering methanol and wastewater heat in production of trademark material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104318359A CN102515298B (en) | 2011-12-22 | 2011-12-22 | System for recovering methanol and wastewater heat in production of trademark material |
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| Publication Number | Publication Date |
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| CN102515298A true CN102515298A (en) | 2012-06-27 |
| CN102515298B CN102515298B (en) | 2013-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011104318359A Expired - Fee Related CN102515298B (en) | 2011-12-22 | 2011-12-22 | System for recovering methanol and wastewater heat in production of trademark material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106220473A (en) * | 2016-08-29 | 2016-12-14 | 查都（上海）科技有限公司 | A kind of wastewater of rectification recovery system |
Citations (5)
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|---|---|---|---|---|
| CN101333149A (en) * | 2007-06-28 | 2008-12-31 | 刘宏建 | Envelope type reactor thermal-transferring method in methanol synthesizing process |
| JP4266861B2 (en) * | 2004-03-19 | 2009-05-20 | 大阪瓦斯株式会社 | Boiler deaerator |
| CN201737870U (en) * | 2010-06-21 | 2011-02-09 | 江阴康爱特化工有限公司 | Methanol recovery system during PBTA production process |
| EP2319805A1 (en) * | 2009-10-22 | 2011-05-11 | Mitsubishi Heavy Industries, Ltd. | Device and method for ammonia recovery |
| CN202449878U (en) * | 2011-12-22 | 2012-09-26 | 湖州凯恩涂层有限公司 | Methanol and waste water heat recovery system in trade mark material production |
-
2011
- 2011-12-22 CN CN2011104318359A patent/CN102515298B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4266861B2 (en) * | 2004-03-19 | 2009-05-20 | 大阪瓦斯株式会社 | Boiler deaerator |
| CN101333149A (en) * | 2007-06-28 | 2008-12-31 | 刘宏建 | Envelope type reactor thermal-transferring method in methanol synthesizing process |
| EP2319805A1 (en) * | 2009-10-22 | 2011-05-11 | Mitsubishi Heavy Industries, Ltd. | Device and method for ammonia recovery |
| CN201737870U (en) * | 2010-06-21 | 2011-02-09 | 江阴康爱特化工有限公司 | Methanol recovery system during PBTA production process |
| CN202449878U (en) * | 2011-12-22 | 2012-09-26 | 湖州凯恩涂层有限公司 | Methanol and waste water heat recovery system in trade mark material production |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106220473A (en) * | 2016-08-29 | 2016-12-14 | 查都（上海）科技有限公司 | A kind of wastewater of rectification recovery system |
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| CN102515298B (en) | 2013-05-22 |
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