CN210278299U

CN210278299U - Dichloroethane distillation device

Info

Publication number: CN210278299U
Application number: CN201920217466.5U
Authority: CN
Inventors: 沈峰
Original assignee: Huai'an Fuma Renewable Resources Co Ltd
Current assignee: Huai'an Fuma Renewable Resources Co Ltd
Priority date: 2019-02-18
Filing date: 2019-02-18
Publication date: 2020-04-10
Anticipated expiration: 2029-02-18

Abstract

The utility model discloses a dichloroethane distillation plant, including the heating base, fixedly connected with storage tank on the heating base, the feed inlet has been seted up at storage tank top, threaded connection has the liquid blocking screw on the feed inlet, storage tank top fixedly connected with steam pipe, steam pipe top fixedly connected with honeycomb duct one, honeycomb duct top fixedly connected with honeycomb duct two, honeycomb duct one and the two outside fixedly connected with collection device of honeycomb duct, two bottom fixedly connected with recovery unit of honeycomb duct can conveniently separate the result of different boiling points, obtain the higher product of multiple purity.

Description

Dichloroethane distillation device

Technical Field

The utility model relates to a distillation separation technical field specifically is a dichloroethane distillation plant.

Background

In the production of chemical products, many products need to be dissolved and purified by organic solvents, and the production processes often generate a large amount of waste water containing the organic solvents, and the organic solvents in the waste water generally need to be recycled. Batch rectification is a widely used treatment technique, and the general process and equipment are as follows: adding the stock solution (wastewater containing organic solvent) into a distillation tower for azeotropic distillation, condensing by a condenser, refluxing a part of materials, and extracting the rest materials. The process is widely applied in practice, but the material reflux ratio is not easy to control, the reaction time is long, the energy consumption is large, and the solvent in the wastewater is not completely removed due to material reflux, so that the recovery rate is low.

In the prior art, a dichloroethane distillation apparatus with the bulletin number of CN202983254U comprises a distillation still, a condenser, a liquid storage device, a receiving tank I and a receiving tank II, wherein the condenser is arranged between the distillation still and the liquid storage device through a pipeline, a liquid storage device liquid level meter is arranged on the liquid storage device, the condenser is connected with the liquid storage device through a pipeline, a backflow valve is arranged on the pipeline between the condenser and the liquid storage device, a balance pipe and a vacuum-removing pipe are arranged at the top of the liquid storage device, two liquid distribution valves are arranged at the bottom of the liquid storage device, an overflow pipe extends out from the two valves and is connected with a branch separated from the balance pipe, a visual cup convenient for observing liquid in the pipeline is arranged on the pipeline of which the two liquid distribution valves are arranged at the bottom of the liquid storage device, and the pipeline for installing the visual cup, one branch is provided with a collecting valve and then connected with a receiving groove I, and the other branch is provided with a liquid outlet valve and then connected with a receiving groove II.

However, the device still has the following obvious defects in the using process, various distilled products can not be well reasonably and effectively separated, and tail gas can not be well treated, so that air pollution is caused.

Therefore, the utility model provides a dichloroethane distillation plant.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dichloroethane distillation plant to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a dichloroethane distillation plant, includes the heating base, fixedly connected with storage tank on the heating base, the feed inlet has been seted up at storage tank top, threaded connection has the liquid blocking screw on the feed inlet, storage tank top fixedly connected with steam pipe, steam pipe top fixedly connected with honeycomb duct one, honeycomb duct top fixedly connected with honeycomb duct two, honeycomb duct one and the outside fixedly connected with collection device of honeycomb duct, two bottom fixedly connected with recovery unit of honeycomb duct.

By adopting the technical scheme, products with different boiling points can be conveniently separated, and various products with higher purity can be obtained.

Preferably, the first diversion pipe is provided with a first threaded ring, the second diversion pipe is provided with a second threaded ring, and the first diversion pipe is in threaded connection with the second diversion pipe.

Through adopting above-mentioned technical scheme, can conveniently separate the product of multiple boiling according to the length that the screw circle on the actual demand passes through the honeycomb duct extension honeycomb duct.

Preferably, the collecting device comprises a collecting pipe fixedly connected to the outer sides of the first flow guide pipe and the second flow guide pipe, a finished product box fixedly connected to the bottom of the flow guide pipe, and a transparent observation window arranged on the finished product box.

By adopting the technical scheme, the distilled liquid can be better recovered.

Preferably, recovery unit includes the recovery tube of fixed connection in two bottoms of honeycomb duct, fixed connection at the collection box of recovery tube bottom and the thermometer of fixed connection in the collection box outside, the collection box top has begun the liquid outlet, swing joint has the baffle pivot on the liquid outlet, fixedly connected with liquid blocking plate in the baffle pivot.

By adopting the technical scheme, the tail gas generated by distillation can be well treated, and air pollution is prevented.

Compared with the prior art, the beneficial effects of the utility model are that: can conveniently separate the result of different boiling points, obtain the higher product of multiple purity, can be according to actual demand through the helicoid on the honeycomb duct length that adds the long honeycomb duct, conveniently separate the result of multiple boiling point, the liquid that can be better recovery distill out, the tail gas of having handled the distillation production that can be fine prevents that the air from being polluted, and the practicality is very strong, is worth promoting very much.

Drawings

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

fig. 2 is a back structural schematic view of the schematic diagram of the present invention;

fig. 3 is a schematic view of the first and second structures of the draft tube of the present invention.

In the figure: 1. heating the base; 2. a material storage tank; 3. a feed inlet; 4. a liquid plugging screw; 5. a steam conduit; 6. a flow guide pipe I; 7. a second flow guide pipe; 8. a recovery pipe; 9. a liquid outlet; 10. a liquid blocking plate; 11. a baffle plate rotating shaft; 12. a thermometer; 13. a recycling bin; 14. a finished product box; 15. a transparent viewing window; 16. a collection pipe; 17. turning a first thread; 18. a second thread ring; 19. a collection device; 20. and (5) a recovery device.

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.

Referring to fig. 1 to 3, the present invention provides a technical solution:

the utility model provides a dichloroethane distillation plant, including heating base 1, heating base 1 is used for heating unfinished product liquid, fixedly connected with storage tank 2 on the heating base 1, storage pipe 2 is used for storing liquid, feed inlet 3 has been seted up at 2 tops of storage tank, feed inlet 3 is used for adding or getting rid of liquid, threaded connection has stifled liquid screw 4 on the feed inlet 3, 2 top fixedly connected with steam pipe 5 of storage tank, steam can enter into honeycomb duct 6 and honeycomb duct two 8 through steam pipe 5 when heating, 5 top fixedly connected with honeycomb duct 6 of steam pipe, honeycomb duct top fixedly connected with honeycomb duct two 7, honeycomb duct 6 and two 7 outside fixedly connected with collection device 19 of honeycomb duct, honeycomb duct two 7 bottom fixedly connected with recovery unit 20, can conveniently separate the result of different boiling points, obtain the higher product of multiple purity. Be provided with screw ring one 17 on the honeycomb duct 6, be provided with screw ring two 18 on the honeycomb duct two 7, honeycomb duct one 6 and honeycomb duct two 7 threaded connection can be according to actual demand length that the screw ring on through the honeycomb duct comes the extension honeycomb duct, the convenient product of multiple boiling of separation. The collecting device 19 comprises a collecting pipe 16 fixedly connected to the outer sides of the first draft tube 6 and the second draft tube 7, a finished product box 14 fixedly connected to the bottom of the draft tube and a transparent observation window 15 arranged on the finished product box 14, and distilled liquid can be better recovered. Recovery unit 20 includes the recovery tube 8 of fixed connection in the two 7 bottoms of honeycomb ducts, the collection box 13 of fixed connection in the 8 bottoms of recovery tube and thermometer 12 of fixed connection in the 13 outside of collection box, and collection box 13 top begins to have liquid outlet 9, and swing joint has baffle pivot 11 on the liquid outlet 9, and fixedly connected with liquid blocking plate 10 on the baffle pivot 11, the tail gas of having handled the distillation production that can be fine prevents that the air from being polluted.

The working principle is as follows: when using this device to carry out the dichloroethane distillation, can increase or reduce the honeycomb duct according to actual demand, switch-on heating base 1, during honeycomb duct one and 6 honeycomb ducts two 7 can be transmitted by the heating to the unfinished product liquid in the storage tank 2, set up collection device 19 according to the different boiling points of result, carry out the collection of finished product liquid.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a dichloroethane distillation plant, includes heating base (1), fixedly connected with storage tank (2), its characterized in that on heating base (1): feed inlet (3) have been seted up at storage tank (2) top, threaded connection has liquid blocking screw (4) on feed inlet (3), storage tank (2) top fixedly connected with steam pipe (5), steam pipe (5) top fixedly connected with honeycomb duct (6), honeycomb duct top fixedly connected with honeycomb duct two (7), honeycomb duct one (6) and honeycomb duct two (7) outside fixedly connected with collection device (19), honeycomb duct two (7) bottom fixedly connected with recovery unit (20).

2. A dichloroethane distillation apparatus according to claim 1, characterized in that: the screw thread circle I (17) is arranged on the first flow guide pipe (6), the screw thread circle II (18) is arranged on the second flow guide pipe (7), and the first flow guide pipe (6) is in threaded connection with the second flow guide pipe (7).

3. A dichloroethane distillation apparatus according to claim 1, characterized in that: the collecting device (19) comprises a collecting pipe (16) fixedly connected to the outer sides of the first draft tube (6) and the second draft tube (7), a finished product box (14) fixedly connected to the bottom of the draft tube and a transparent observation window (15) arranged on the finished product box (14).

4. A dichloroethane distillation apparatus according to claim 1, characterized in that: recovery unit (20) are including recovery tube (8), the collection box (13) of fixed connection in recovery tube (8) bottom and thermometer (12) of fixed connection in the collection box (13) outside of fixed connection in the two (7) bottoms of honeycomb duct, liquid outlet (9) begin to have at collection box (13) top, swing joint has baffle pivot (11) on liquid outlet (9), fixedly connected with liquid shutoff board (10) on baffle pivot (11).