CN202594810U - Dimethylacetamide (DMAC) waste liquid recycling device - Google Patents
Dimethylacetamide (DMAC) waste liquid recycling device Download PDFInfo
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- CN202594810U CN202594810U CN 201220201448 CN201220201448U CN202594810U CN 202594810 U CN202594810 U CN 202594810U CN 201220201448 CN201220201448 CN 201220201448 CN 201220201448 U CN201220201448 U CN 201220201448U CN 202594810 U CN202594810 U CN 202594810U
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Abstract
The utility model discloses a dimethylacetamide (DMAC) waste liquid recycling device, which comprises an automatic temperature control heater, a vapor-liquid separator and a condenser, wherein the top of the automatic temperature control heater is provided with an output pipeline entering the inside of the vapor-liquid separator, and the end of the output pipeline, which is arranged inside the vapor-liquid separator, is provided with an atomizing nozzle; the condenser comprises a water condenser and a DMAC condenser, and the water condenser and the DMAC condenser are communicated with the vapor-liquid separator through a vapor pipeline; the lower part of the water condenser is provided with a condensed water collecting tank, the outer part of the water condenser is provided with a vacuum pump which is communicated with the water condenser through a vacuum pipeline, the vacuum pipeline is provided with a branch pipeline which is communicated with the condensed water collecting tank, and the branch pipeline is provided with a vacuum communication valve; the lower part of the DMAC condenser is provided with a DMAC collecting tank, the outer part of the DMAC condenser is provided with a vacuum pump which is communicated with the DMAC condenser through a vacuum pipeline, the vacuum pipeline is provided with a branch pipeline which is communicated with the DMAC collecting tank, and the branch pipeline is provided with a vacuum communication valve; and the vapor-liquid separator is provided with a vacuum adjusting valve.
Description
Technical field
The utility model relates to DMAC waste liquid recycling field, and specifically, the utility model relates to a kind of reduced pressure distillation technique that adopts and carries out the equipment that the DMAC waste liquid reclaims.
Background technology
DMAC-N,N-DIMETHYLACETAMIDE, (Dimethylacetamide), molecular formula CH
3CON (CH
3)
2, molecular weight: 87.12, CAS number: 127-19-5.166 ℃ of boiling points, specific density 0.9366 (25/4 ℃), specific refractory power 1.4380.Hypotoxicity, intense stimulus property vapour flavor.
Can produce the lower DMAC of the big concentration of quantity in the existing spinning technique and produce waste liquid, contain a large amount of solid additives in this production waste liquid, the stable performance often of these additives, cost are bigger.Produce two kinds of processing approach of the general employing of waste liquid for the DMAC in the spinning industry:
Return DMAC plant and concentrate purification, cost height and cycle are long; And the production waste liquid of lower concentration DMAC does not reach the makers' recovery concentration of DMAC.
As directly discharging after the Industrial Wastewater Treatment, increase processing cost and can cause certain pollution environment.
Adopt of spinning producer returned the way of recycling processing DMAC of factory waste liquid more, and the additive in the waste liquid can not reclaim at this moment, causes waste, and cost is higher.DMAC manufacturing firm adopts rectifying tower distillation DMAC waste liquid to reach the purpose that DMAC purifies more, and the rectifying device floor space exceeds the buildings in general height greatly and highly, and very big use restriction is arranged.
Above-mentioned deficiency to prior art exists proposes the utility model.
The utility model content
In view of the problem that exists in the prior art, the purpose of the utility model is to provide a kind of reduced pressure distillation technique that adopts to carry out the device that the DMAC waste liquid reclaims.
For realizing above-mentioned utility model purpose; The technical scheme that the utility model provides is: a kind of DMAC waste liquid recovery apparatus; Comprise temperature automatically controlled well heater, vapour liquid separator and condensing surface; It is inner that described temperature automatically controlled well heater top has an output channel to get into vapour liquid separator, and output channel is positioned at the inner end of vapour liquid separator and is provided with an atomizer; Described condensing surface comprises water condenser and DMAC condensing surface, and water condenser and DMAC condensing surface and vapour liquid separator are communicated with through steam-pipe; The bottom of water condenser is provided with the water of condensation holding tank, and the outside is provided with a vacuum pump and is communicated with water condenser through vacuum pipe, and vacuum pipe is provided with a small transfer line and is communicated with the water of condensation holding tank, and small transfer line is provided with the vacuum communicating valve; The bottom of DMAC condensing surface is provided with the DMAC holding tank, and the outside is provided with a vacuum pump and is communicated with the DMAC condensing surface through vacuum pipe, and vacuum pipe is provided with a small transfer line and is communicated with the DMAC holding tank, and small transfer line is provided with the vacuum communicating valve; Vapour liquid separator is provided with a vacuum breaker.
Described vapour liquid separator bottom is communicated with temperature automatically controlled heater base through a circulating line, and circulating line is provided with pump.
The steam-pipe that described vapour liquid separator is connected with water condenser is provided with a return tank, and return tank is connected on the vapour liquid separator through reflux line, and the vacuum breaker on the vapour liquid separator is arranged on this reflux line.
Described temperature automatically controlled heater base is provided with the additive discharge port.
Described water condenser is communicated with through a pipe connecting with the water of condensation holding tank, and pipe connecting is provided with the phlegma switch.
Described DMAC condensing surface is communicated with through a pipe connecting with the DMAC holding tank, and pipe connecting is provided with DMAC phlegma switch.
The beneficial effect of the utility model is:
1) the full-automatic control of charging discharging, easy control simple to operate;
2) temperature automatically controlled well heater can be realized the temperature programming process, has quickened the still-process of DMAC waste liquid, has improved separating effect;
3) equipment principle is simple, and initial investment is less;
4) the thermal source utilization is abundant, the water of condensation cycling and reutilization, and running cost is lower;
5) handle that to contain lower concentration DMAC waste liquid energy consumption low, the DMAC loss is little;
6) reach the purpose that different products are collected simultaneously, improve separation efficiency, save separation costs, make each component can repeat effective utilization, economical with materials cuts the waste and pollutes;
7) stop the direct environmental pollution caused by discharge of lower concentration DMAC waste liquid.
Description of drawings
When combining accompanying drawing to consider; Through with reference to following detailed, can more completely understand the utility model better and learn wherein many attendant advantages easily, but accompanying drawing described herein is used to provide the further understanding to the utility model; Constitute the part of the utility model; Illustrative examples of the utility model and explanation thereof are used to explain the utility model, do not constitute the improper qualification to the utility model, wherein:
Fig. 1 is the structural representation of the utility model.
Embodiment
Embodiment to the utility model describes below in conjunction with accompanying drawing.
Fig. 1 is a structural representation.As shown in Figure 1ly go out; The DMAC waste liquid recovery apparatus of the utility model comprises temperature automatically controlled well heater 1, vapour liquid separator 2 and water condenser 3 and DMAC condensing surface 4, and temperature automatically controlled well heater 1 top has an output channel 11 to get into vapour liquid separators 2 inside; Temperature automatically controlled well heater 1 is realized the temperature programming process; Make water and DMAC primary and secondary evaporation stage by stage in the waste liquid, quickened vaporator rate, improved separating effect simultaneously; Output channel 11 is positioned at vapour liquid separator 2 inner ends and is provided with an atomizer 12, and atomizer 12 makes and the liquid maximization atomizing that temperature automatically controlled well heater 1 comes out more helps vaporization;
The bottom of DMAC condensing surface 4 is provided with DMAC holding tank 41; DMAC condensing surface 4 is communicated with through a pipe connecting 45 with DMAC holding tank 41; Pipe connecting 45 is provided with DMAC phlegma switch 46; DMAC condensing surface 4 outsides are provided with a vacuum pump 42 and are communicated with DMAC condensing surface 4 through vacuum pipe 43, and vacuum pipe 43 is provided with a small transfer line 44 and is communicated with DMAC holding tank 41, and small transfer line 44 is provided with vacuum communicating valve 47
Vapour liquid separator 2 bottoms are communicated with temperature automatically controlled well heater 1 bottom through a circulating line 21; Circulating line 21 is provided with pump 22; The steam-pipe 5 that vapour liquid separator 2 is connected with water condenser 3 is provided with a return tank 6; Return tank 6 is connected on the vapour liquid separator 2 through reflux line 61, and the vacuum breaker 23 on the vapour liquid separator 2 is arranged on this reflux line 61.
Many places design cycle pipeline, pump and vacuum breaker among the present invention, its purpose has three: the first makes and makes full use of the energy (heat energy) and resource (water of condensation), improves its utilization ratio; The separation purifying velocity of its each component of two quickenings; Each fraction separation effect in its three raisings mixture is collected each cut simultaneously, is convenient to each component raw material of recycling in the follow-up spinning production.
The bottom of temperature automatically controlled well heater 1 is provided with additive discharge port 13.
The working process of the utility model is following:
Raw material (the recovery liquid that contains DMAC) gets in the temperature automatically controlled well heater 1; After utilizing water vapor to heat; Through output channel 11 to atomizer 12 with vaporific entering vapour liquid separator 2 in; Vapour liquid separator 2 is taken out negative pressure to-0.06Mpa by vacuum pump 32, and vapour phase (water vapor) gets in the water condensers 3 via steam-pipe 5, gets into water of condensation holding tanks 31 through pipe connecting 35 after the condensation and stores; Need close vacuum communicating valve 37 backs and the phlegma switch 36 on the pipe connecting 35 on the small transfer line 34 during the outside draining of water of condensation holding tank 31.
Vapour liquid separator 2 bottoms are communicated with through circulating line 21 with temperature automatically controlled well heater 1, are driven by pump 22 and form a circulation, constantly heat-the vapor-liquid separation process.
Because the boiling point of water and DMAC differs bigger; Through regulating the vacuum breaker 23 on the reflux line 61; Make the negative pressure in the vapour liquid separator 2 progressively be reduced to-0.09Mpa, this moment, vapour liquid separator 2 interior DMAC began vaporization, and got into DMAC condensing surface 4 through steam-pipe 5; The structure of DMAC condensing surface 4 is identical with the structure and the principle of work of water condenser 3, repeats no more at this.
After reclaiming water of condensation and DMAC respectively, the last higher additive of purity that obtains in the bottom of temperature automatically controlled well heater 1 is also discharged through additive discharge port 13.
The utility model mainly is a different principle of utilizing boiling point of liquid under the different vacuum tightnesss, and the boiling point of DMAC is 166 degrees centigrade, differs bigger with the boiling point (100 degrees centigrade) of water; Additive is the high boiling point solids, and steam output can be ignored, and adopts reduced pressure distillation technique; After most of water evaporative condenser is reclaimed; Improve vacuum tightness in the vapour liquid separator, thereby can reduce distillation temperature, condensing and recycling high purity DMAC; Reach and separate the purpose of purifying, obtain the stable additive product of thermal response simultaneously.
The above embodiment; The just preferred embodiment of the utility model; Be not to limit the utility model practical range; So all according to the described conspicuous change of the utility model claim, and other does not break away from the change of the utility model essence, all should be included within the protection domain of the utility model.
Claims (6)
1. DMAC waste liquid recovery apparatus; Comprise temperature automatically controlled well heater, vapour liquid separator and condensing surface; It is characterized in that it is inner that described temperature automatically controlled well heater top has an output channel to get into vapour liquid separator, output channel is positioned at the inner end of vapour liquid separator and is provided with an atomizer; Described condensing surface comprises water condenser and DMAC condensing surface, and water condenser and DMAC condensing surface and vapour liquid separator are communicated with through steam-pipe; The bottom of water condenser is provided with the water of condensation holding tank, and the outside is provided with a vacuum pump and is communicated with water condenser through vacuum pipe, and vacuum pipe is provided with a small transfer line and is communicated with the water of condensation holding tank, and small transfer line is provided with the vacuum communicating valve; The bottom of DMAC condensing surface is provided with the DMAC holding tank, and the outside is provided with a vacuum pump and is communicated with the DMAC condensing surface through vacuum pipe, and vacuum pipe is provided with a small transfer line and is communicated with the DMAC holding tank, and small transfer line is provided with the vacuum communicating valve; Vapour liquid separator is provided with a vacuum breaker.
2. a kind of DMAC waste liquid recovery apparatus according to claim 1; It is characterized in that; Described vapour liquid separator bottom is communicated with temperature automatically controlled heater base through a circulating line, and circulating line is provided with pump, and temperature automatically controlled well heater can be realized the temperature programming process.
3. a kind of DMAC waste liquid recovery apparatus according to claim 1; It is characterized in that; The steam-pipe that described vapour liquid separator is connected with water condenser is provided with a return tank; Return tank is connected on the vapour liquid separator through reflux line, and the vacuum breaker on the vapour liquid separator is arranged on this reflux line.
4. a kind of DMAC waste liquid recovery apparatus according to claim 1 is characterized in that described temperature automatically controlled heater base is provided with the additive discharge port.
5. a kind of DMAC waste liquid recovery apparatus according to claim 1 is characterized in that described water condenser is communicated with through a pipe connecting with the water of condensation holding tank, and pipe connecting is provided with the phlegma switch.
6. a kind of DMAC waste liquid recovery apparatus according to claim 1 is characterized in that described DMAC condensing surface is communicated with through a pipe connecting with the DMAC holding tank, and pipe connecting is provided with DMAC phlegma switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220201448 CN202594810U (en) | 2012-05-07 | 2012-05-07 | Dimethylacetamide (DMAC) waste liquid recycling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220201448 CN202594810U (en) | 2012-05-07 | 2012-05-07 | Dimethylacetamide (DMAC) waste liquid recycling device |
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| Publication Number | Publication Date |
|---|---|
| CN202594810U true CN202594810U (en) | 2012-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220201448 Expired - Lifetime CN202594810U (en) | 2012-05-07 | 2012-05-07 | Dimethylacetamide (DMAC) waste liquid recycling device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105926223A (en) * | 2016-06-16 | 2016-09-07 | 张家港宇新羊毛工业有限公司 | Wool washing water separator wastewater heat efficient conversion device |
| CN108096870A (en) * | 2018-01-29 | 2018-06-01 | 天津美加恒升科技发展有限公司 | A kind of recycling device of DMAC |
| CN109111005A (en) * | 2018-09-19 | 2019-01-01 | 四川久润环保科技有限公司 | A kind of method and system of the high purity DMAC from industrial wastewater |
| CN110078285A (en) * | 2019-05-08 | 2019-08-02 | 徐州工程学院 | A kind of Urethane Elastic Fibre Industrial Wastewater efficient treatment process |
| CN110482753A (en) * | 2018-05-15 | 2019-11-22 | 深圳市山水乐环保科技有限公司 | A kind of high-concentration industrial waste liquid separator and method |
-
2012
- 2012-05-07 CN CN 201220201448 patent/CN202594810U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105926223A (en) * | 2016-06-16 | 2016-09-07 | 张家港宇新羊毛工业有限公司 | Wool washing water separator wastewater heat efficient conversion device |
| CN105926223B (en) * | 2016-06-16 | 2018-07-06 | 张家港宇新羊毛工业有限公司 | A kind of wool grease scouring water separator waste water heat efficient conversion |
| CN108096870A (en) * | 2018-01-29 | 2018-06-01 | 天津美加恒升科技发展有限公司 | A kind of recycling device of DMAC |
| CN110482753A (en) * | 2018-05-15 | 2019-11-22 | 深圳市山水乐环保科技有限公司 | A kind of high-concentration industrial waste liquid separator and method |
| CN110482753B (en) * | 2018-05-15 | 2024-03-26 | 深圳市山水乐环保科技有限公司 | High-concentration industrial waste liquid separation device and method |
| CN109111005A (en) * | 2018-09-19 | 2019-01-01 | 四川久润环保科技有限公司 | A kind of method and system of the high purity DMAC from industrial wastewater |
| CN110078285A (en) * | 2019-05-08 | 2019-08-02 | 徐州工程学院 | A kind of Urethane Elastic Fibre Industrial Wastewater efficient treatment process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Qingdao water originwater Technology Development Co. Ltd. Assignor: Beijing Bishui Yuanmo Science and Technology Co., Ltd. Contract record no.: 2015990000417 Denomination of utility model: Dimethylacetamide (DMAC) waste liquid recycling device Granted publication date: 20121212 License type: Exclusive License Record date: 20150609 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121212 |