CN215195476U

CN215195476U - Collection device for reduced pressure distillation

Info

Publication number: CN215195476U
Application number: CN202120126785.2U
Authority: CN
Inventors: 柴志善; 俞旭峰
Original assignee: Zhejiang Davi Pharmaceutical Co ltd
Current assignee: Zhejiang Davi Pharmaceutical Co ltd
Priority date: 2021-01-18
Filing date: 2021-01-18
Publication date: 2021-12-17
Anticipated expiration: 2031-01-18

Abstract

The collecting device for reduced pressure distillation comprises a main body provided with a collecting port, and is characterized in that the main body comprises a first flow guide pipe, a first collecting box, a second collecting box and a third collecting box which are arranged at the lower end of the collecting port and connected in sequence, wherein a first overflow hole and a second overflow hole are respectively formed in the first collecting box and the second collecting box, and a first outlet and a third outlet which are used for installing a liquid outlet pipe are respectively formed in the first collecting box and the third collecting box. The device can store a large amount of distilled liquid, and the liquid can be fully cooled during storage; meanwhile, the requirements for storing and taking out liquid with different collection amounts can be met through the graded collection device, and the consumption of the liquid in the collection device is reduced.

Description

Collection device for reduced pressure distillation

Technical Field

The utility model relates to a distillation collecting device technical field, concretely relates to collection device is used in decompression distillation.

Background

Liquid after traditional vacuum distillation, when placing large-scale collection device, often there will be some moisture, impurity such as acid gas and hydrocarbon in the inside air of receiving arrangement, these impurity various often can a small amount pollute the liquid of placing in the collection device, cause the liquid after vacuum distillation to appear some extravagant and pollution, and liquid temperature after traditional vacuum distillation is also higher generally, chemical industry article are relatively easy to react under high temperature, and then the condition of secondary condensation, because the gaseous state when the liquid of collecting is at this moment relative the primary condensation, liquid is bigger at the velocity of flow in the condenser, the condensation effect is worse, and the liquid of placing in the collection device often is not all uses in use, when the volume of each time used is not many, frequently uncapping can cause liquid and air large area contact, volatilize.

The application number is CN 201920782334.7's file discloses a decompression distillation collection device, including receiving the bucket, it is provided with tap to receive bucket lower extreme one side, the lower extreme that receives the bucket is provided with the temperature and looks over the device lieing in the tap side, the upper end one side of receiving the bucket is provided with air inlet unit, the upper end sealing connection who receives the bucket has the cover, be provided with distillation import on the cover, distillation import one end is provided with the condenser, the one end of condenser is provided with flow rate controller. A decompression distillation collection device, through the three-layer space that the four-layer bolt board formed among the air inlet unit who sets up, place the gas that solid-state object comes the filtration entering, change the pollution when the gaseous reduction liquid in the collection device enters into, through the abundant secondary condensation of flow rate controller control liquid flow rate, look over the liquid temperature through the temperature and look over device and double-barrelled connecting pipe, take liquid in a small amount, avoid uncapping liquid and air large tracts of land contact.

However, in this device, the way of implementing secondary condensation by the flow rate controller may cause liquid accumulation at the distillation device and even reflux to the heating reactor; and the device is only suitable for laboratory level distillation collection, and the reserves are little and efficiency is not high.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, the present invention is to provide a collecting device for vacuum distillation, which can store a large amount of distilled liquid and can sufficiently cool the liquid during storage; meanwhile, the requirements for storing and taking out liquid with different collection amounts can be met through the graded collection device, and the consumption of the liquid in the collection device is reduced.

In order to achieve the above purpose, the technical solution of the present invention is as follows:

the collecting device for reduced pressure distillation comprises a main body provided with a collecting port, and is characterized in that the main body comprises a first flow guide pipe, a first collecting box, a second collecting box and a third collecting box which are arranged at the lower end of the collecting port and connected in sequence, wherein a first overflow hole and a second overflow hole are respectively formed in the first collecting box and the second collecting box, and a first outlet and a third outlet which are used for installing a liquid outlet pipe are respectively formed in the first collecting box and the third collecting box.

As a further preference of the utility model, the main part still include with collect the second honeycomb duct of mouthful intercommunication, with second honeycomb duct intercommunication and inside purifying box and the one end that is provided with the purification piece with the first gas outlet of seting up on the purifying box is connected, the other end with the back flow that the backward flow mouth of seting up is connected in the main part, be provided with the aspirator pump on the back flow.

As a further preference of the present invention, the purification member comprises a purification tube and a fixing block for fixing the purification tube; the purifying tube comprises an installation tube provided with air holes, and a first installation thread section and a second installation thread section which are arranged at two ends of the installation tube, wherein the first installation thread section is installed in an installation thread groove formed in the inner wall of the purifying box, and the second installation thread section penetrates through an installation hole formed in the purifying box and extends to the outer end of the purifying box and the fixed block in threaded connection.

As the utility model discloses a further preferred, set up on the fixed block with the screw hole of second installation screw thread section adaptation, just the both ends downwardly extending of fixed block and install in correspond in the fixed slot of seting up on the purifying box exterior wall.

As a further preference of the present invention, the two ends of the fixing block are provided with external threads engaged with the fixing grooves.

As a further preferred aspect of the present invention, the groove bottom surface of the fixing groove is provided with an adsorption hole communicated with the purification box.

As a further preference of the present invention, the second installation thread section is close to the one end of the installation pipe is connected with through with the mode of the connecting thread spiro union set up on the inner wall of the installation pipe is fixed the connecting block of the second installation thread section.

As a further preference of the present invention, the inner wall of the installation tube is provided with a protrusion abutting against the connection block.

As a further preference of the utility model, the drain pipe is including being responsible for and seting up in the temperature tube that is used for installing the thermometer of being responsible for the side, be provided with the valve in the person in charge.

As a further preference of the utility model, the temperature measurement pipe is used for the installation including inside offering the transparent body of the installation cavity of thermometer and with the installation lid of transparent body adaptation.

To sum up, the utility model discloses following beneficial effect has:

the utility model discloses a tertiary collecting box structure can adapt to the less reaction of distilled liquid, also can adapt to the more reaction of distilled liquid. When the distilled liquid is less, all the liquid is stored in the first collecting box with smaller volume and can be taken out from the first collecting box, so that the loss of the distilled liquid is reduced; when the distilled liquid is more, the liquid is firstly stored in the first collecting box and then overflows to the second collecting box to the third collecting box through the overflow hole, and any required amount can be taken out from any one outlet of the first collecting box to the third collecting box.

The utility model discloses can be so that when a large amount of distilled liquid enter into, realize abundant cooling through tertiary collecting box structure, simultaneously through the thermometer feedback temperature in collecting box exit, obtain the better opportunity that liquid took out.

The utility model discloses a purifying box that the device is inside to be set up constitutes the inner loop and comes the inside air of purifier, reduces the dissolved gaseous pollutants in the liquid, has improved the liquid purity of collection.

The utility model discloses the removal of itself and fixed mode do not need regulating parts such as any electrical control equipment or air pump, have reduced manufacturing cost.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Figure 2 is the structure sketch map of the purification piece of the utility model.

Figure 3 is the structure schematic diagram of the purification tube of the utility model.

Fig. 4 is a schematic structural diagram of the drain pipe of the present invention.

Figure 5 is the structure schematic diagram of the temperature measuring tube of the utility model.

Description of the drawings: the main body 1, the collection port 101, the return port 102, the first flow guide tube 11, the first collection tank 12, the first overflow hole 121, the first outlet 122, the heat hole 123, the second collection tank 13, the second overflow hole 131, the second outlet 132, the third collection tank 14, the third outlet 141, the second flow guide tube 15, the purification tank 16, the first air outlet 161, the balance tube 162, the on-off valve 162a, the mounting hole 163, the mounting screw groove 164, the fixing groove 165, the adsorption hole 166, the purification member 17, the purification tube 171, the mounting tube 171a, the first mounting screw segment 171b, the second mounting screw segment 171c, the air vent 171d, the connecting block 171e, the connecting screw 171f, the protrusion 171g, the fixing block 172, the screw hole 172a, the external screw 172b, the return tube 18, the suction pump 181, the outlet tube 2, the main tube 21, the valve 22, the temperature measurement tube 23, the transparent tube 231, the mounting cavity 231a, the thermometer 232, the mounting cover 233, the temperature measurement device, and the temperature measurement device, And a groove 233 a.

Detailed Description

Examples

The collecting device for reduced pressure distillation provided by the embodiment comprises a main body 1 provided with a collecting port 101, wherein the main body 1 comprises a first guide pipe 11, a first collecting box 12, a second collecting box 13 and a third collecting box 14 which are arranged at the lower end of the collecting port 101 and connected in sequence, the first collecting box 12 and the second collecting box 13 are respectively provided with a first overflow hole 121 and a second overflow hole 131, and the first collecting box 12 and the third collecting box 14 are respectively provided with a first outlet 122 and a third outlet 141 for installing a liquid outlet pipe 2. In this embodiment, the second collection box 13 is also opened with a second outlet 132 for installing the liquid outlet pipe 2. The volume of the first collecting box 12 is less than that of the second collecting box 13 and less than that of the third collecting box 14, and a heat hole 123 is formed in the upper end, located on the first overflow hole 121, of the first collecting box 12 for heat dissipation.

In this embodiment, the main body 1 further includes a second flow conduit 15 communicated with the collection port 101, a purge tank 16 communicated with the second flow conduit 15 and provided with a purge member 17 therein, and a return conduit 18 having one end connected to a first air outlet 161 formed in the purge tank 16 and the other end connected to a return port 102 formed in the main body 1, wherein the return conduit 18 is provided with a suction pump 181. In this embodiment, the return opening 102 is opened at the lower portion of the main body 1 located at the collecting box 16, and is communicated with the first collecting box 12, the second collecting box 13, and the third collecting box 14, so as to deliver the purified air to the collecting boxes at each stage to balance the pressure in the main body 1, and the air volume generated by the delivered air is also beneficial to dissipating heat of the liquid at the collecting boxes at each stage. The purification structure is an internal circulation in the main body 1, and avoids the pollution of the outside air.

In this embodiment, the purifying member 17 includes a purifying tube 171 and a fixing block 172 for fixing the purifying tube 171; the purification tube 171 comprises an installation tube 171a provided with an air hole 171d, and a first installation thread section 171b and a second installation thread section 171c which are arranged at two ends of the installation tube 171a, wherein the first installation thread section 171b is installed in an installation thread groove 164 which is arranged on the inner wall of the purification box 16, and the second installation thread section 171c penetrates through an installation hole 163 which is arranged on the purification box 16 and extends to the outer end of the purification box 16 and the fixing block 172 which are in threaded connection. The fixing block 172 is provided with a threaded hole 172a adapted to the second mounting threaded section 171c, and two ends of the fixing block 172 extend downward and are mounted in fixing grooves 165 correspondingly formed in the outer surface wall of the purification box 16. And external threads 172b screwed with the fixing grooves 165 are provided at both ends of the fixing block 172. An adsorption hole 166 communicating with the purification tank 16 is formed on the bottom surface of the fixing groove 165. In this embodiment, the installation mode of purifying part 17 has not only satisfied the demand that can dismantle the replacement and purify the material, and the installation position is connected closely moreover, does not have the gas leakage hidden danger. The fixing block 172 is connected to the fixing groove 165 of the purification box 16, so that the purification tube 171 is hermetically mounted in the purification box 16, and the fixing block 172 is firmly fixed to the fixing groove 165 by the suction force generated by the suction pump 181, thereby further improving the sealing performance of the mounting structure.

In this embodiment, a connection block 171e for fixing the second mounting threaded section 171c by being threadedly engaged with a connection thread 171f provided on an inner wall of the mounting tube 171a is connected to an end of the second mounting threaded section 171c adjacent to the mounting tube 171 a. In this embodiment, the removable mounting of the purge tube 171 to the second mounting thread segment 171c can be used to replace the purge material inside, which reduces the cost of the replacement of the entire purge tube as compared to the conventional method.

In this embodiment, a protrusion 171g abutting against the connecting block 171e is provided on the inner wall of the mounting tube 171 a. The protrusion 171g is provided to both limit the installation depth of the connection block 171e and to seal a gap between the connection block 171e and the purification tube 171.

In this embodiment, the liquid outlet pipe 2 includes a main pipe 21 and a temperature measuring pipe 23 opened at a side end of the main pipe 21 for installing a thermometer 232, and the main pipe 21 is provided with a valve 22. The temperature measuring tube 23 includes a transparent tube 231 having an installation cavity 231a for installing the thermometer 232 therein, and an installation cover 233 adapted to the transparent tube 231. The mounting structure not only enables the thermometer to be more convenient to observe, but also facilitates replacement of the thermometer, and improves portability.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The collecting device for reduced pressure distillation comprises a main body (1) provided with a collecting port (101), and is characterized in that the main body (1) comprises a first guide pipe (11), a first collecting box (12), a second collecting box (13) and a third collecting box (14) which are arranged at the lower end of the collecting port (101) and connected in sequence, wherein the first collecting box (12) and the second collecting box (13) are respectively provided with a first overflow hole (121) and a second overflow hole (131), and the first collecting box (12) and the third collecting box (14) are respectively provided with a first outlet (122) and a third outlet (141) which are used for installing a liquid outlet pipe (2).

2. A collecting device for reduced pressure distillation according to claim 1, wherein the main body (1) further comprises a second flow guide pipe (15) communicated with the collecting port (101), a purifying tank (16) communicated with the second flow guide pipe (15) and provided with a purifying member (17) inside, and a return pipe (18) having one end connected with a first air outlet (161) formed on the purifying tank (16) and the other end connected with a return port (102) formed on the main body (1), and the return pipe (18) is provided with a suction pump (181).

3. A collecting device for reduced pressure distillation according to claim 2, wherein the purifying member (17) comprises a purifying tube (171) and a fixing block (172) for fixing the purifying tube (171); the purifying tube (171) is including offering installation pipe (171 a) of bleeder vent (171 d) and set up in first installation screw thread section (171 b) and second installation screw thread section (171 c) at installation pipe (171 a) both ends, first installation screw thread section (171 b) install in install screw groove (164) seted up on purifying box (16) inner wall, second installation screw thread section (171 c) pass mounting hole (163) seted up on purifying box (16) and extend to purifying box (16) outer end with fixed block (172) spiro union.

4. The collecting device for reduced pressure distillation according to claim 3, wherein the fixing block (172) is provided with a threaded hole (172 a) adapted to the second mounting threaded section (171 c), and both ends of the fixing block (172) extend downward and are mounted in fixing grooves (165) correspondingly formed in the outer surface wall of the purifying box (16).

5. The collecting apparatus for reduced pressure distillation according to claim 4, wherein both ends of the fixing block (172) are provided with external threads (172 b) threadedly engaged with the fixing grooves (165).

6. The collecting device for reduced pressure distillation according to claim 4, wherein the bottom surface of the fixing groove (165) is provided with an adsorption hole (166) communicating with the purification box (16).

7. A collecting apparatus for vacuum distillation according to claim 3, wherein a connecting block (171 e) for fixing the second mounting screw thread section (171 c) by screwing with a connecting thread (171 f) provided on the inner wall of the mounting tube (171 a) is connected to an end of the second mounting screw thread section (171 c) near the mounting tube (171 a).

8. A collecting device for reduced pressure distillation according to claim 7, wherein the inner wall of the mounting tube (171 a) is provided with a projection (171 g) abutting against the connecting block (171 e).

9. A collecting device for reduced pressure distillation according to claim 1, wherein the outlet pipe (2) comprises a main pipe (21) and a temperature measuring pipe (23) which is arranged at the side end of the main pipe (21) and is used for installing a thermometer (232), and the main pipe (21) is provided with a valve (22).

10. A collecting device for reduced pressure distillation according to claim 9, wherein the temperature measuring tube (23) comprises a transparent tube (231) having an installation cavity (231 a) for installing the thermometer (232) therein, and an installation cover (233) fitted to the transparent tube (231).