CN219209001U

CN219209001U - Novel falling film concentrator

Info

Publication number: CN219209001U
Application number: CN202223482393.3U
Authority: CN
Inventors: 刘建平; 王蓉; 钟利忠; 刘阳
Original assignee: Baoji Jinkate Manufacturing Engineering Co ltd
Current assignee: Baoji Jinkate Manufacturing Engineering Co ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-06-20
Anticipated expiration: 2032-12-26

Abstract

The utility model provides a novel falling film concentrator, which relates to the technical field of concentrating equipment and comprises: the liquid distributor comprises a concentration box, wherein a first liquid distributor is arranged at the inner top of the concentration box, a second liquid distributor is arranged below the first liquid distributor, a liquid collector is arranged between the first liquid distributor and the second liquid distributor, communicating pipes are communicated between the bottom of the liquid collector and the second liquid distributor, and a gas distributor is arranged between the first liquid distributor and the liquid collector and at the inner bottom of the concentration box. The device can prolong the heat exchange time of liquid and steam, so that the heat exchange between the two groups is more uniform and thorough, the evaporation of water contained in the liquid is more thorough, and the concentration effect of the device is improved.

Description

Novel falling film concentrator

Technical Field

The utility model relates to the technical field of concentration equipment, in particular to a novel falling film concentrator.

Background

The falling film type concentrator is suitable for instant forced circulation concentration of liquid materials such as traditional Chinese medicines, western medicines, glucose, starch, monosodium glutamate, dairy products, chemical industry and the like, is particularly suitable for low-temperature vacuum concentration of heat-sensitive materials, can continuously sterilize and concentrate, but the existing falling film type concentrator can not fully separate moisture when performing gas-liquid separation, so that concentrated liquid is not pure enough, heat can not be fully utilized when heating, heating is not uniform enough, heat transfer degree is not high enough, and concentration time is long.

The utility model discloses a falling film type concentrator in the chinese patent of the bulletin number CN217246794U of authorizing, including the knockout drum, the bottom of knockout drum is provided with the concentrate export, the top of knockout drum is vertical installs heating tank and condenser in proper order, the top of heating tank is provided with the charge door, lower extreme one side outer wall of heating tank is provided with the comdenstion water discharge pipe, the outer wall of heating tank is located the upper portion of comdenstion water discharge pipe and is provided with steam admission pipe, upper end one side outer wall connection of heating tank has the steam pipe, the bottom and the top of knockout drum of steam pipe are connected, the top of condenser is provided with steam discharge port, lower part one side outer wall of condenser is provided with the water adding pipe.

Above-mentioned falling film concentrator is at during operation directly with liquid material and steam mixing heat exchange, because the characteristic of steam makes it can rise fast and liquid material break away from to lead to the heat exchange time of both to be limited, make the heat exchange go on thoroughly inadequately, thereby influence concentrated effect.

Disclosure of Invention

The utility model aims to provide a novel falling film concentrator, which aims to solve the problems that the falling film concentrator in the prior art directly mixes liquid materials with steam for heat exchange during working, and the heat exchange time of the liquid materials is limited due to the fact that the liquid materials can be quickly lifted and separated from the falling film concentrator due to the characteristic of the steam, so that the heat exchange is not thoroughly carried out, and the concentration effect is affected.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the novel falling film concentrator comprises: the liquid distributor comprises a concentration box, wherein a first liquid distributor is arranged at the inner top of the concentration box, a second liquid distributor is arranged below the first liquid distributor, a liquid collector is arranged between the first liquid distributor and the second liquid distributor, communicating pipes are communicated between the bottom of the liquid collector and the second liquid distributor, and a gas distributor is arranged between the first liquid distributor and the liquid collector and at the inner bottom of the concentration box.

According to a further technical scheme, the gas distributor comprises an annular gas distribution pipe and a plurality of gas distribution straight pipes, wherein the gas distribution straight pipes are arranged in an annular gas distribution pipe inner ring in parallel, and two ends of the gas distribution pipe are communicated with the inside of the annular gas distribution pipe.

According to a further technical scheme, a plurality of air outlet holes are formed in the bottoms of the annular air distribution pipe and the air distribution straight pipe, the air outlet holes are uniformly distributed on the air distribution straight pipe along the axis direction of the air outlet holes, and the air outlet holes are uniformly distributed on the annular air distribution pipe along the circumferential direction of the air outlet holes.

According to a further technical scheme, a condensing box is arranged on one side of the condensing box, a connecting part is fixedly connected between the condensing box and the condensing box, air inlet pipes are arranged on one sides of the air distributors close to the condensing box, and the air inlet pipes on the air distributors between the first liquid distributors and the liquid collectors are communicated with the inner top of the condensing box.

According to a further technical scheme, an air collector is arranged between the liquid collector and the second liquid distributor, and a vent pipe is communicated between the top of the air collector and the interior of the condensing box.

According to a further technical scheme, at least three supporting legs uniformly distributed along the cylindrical direction of the concentrating tank are fixedly arranged at the edge of the bottom of the concentrating tank, and liquid discharge pipes are arranged at the bottom of the concentrating tank.

According to a further technical scheme, a liquid inlet pipe is fixedly arranged in the middle of the top end of the concentration box, the bottom of the liquid inlet pipe extends into the concentration box and is communicated with the first liquid distributor, and an exhaust port is formed in one side of the top of the concentration box.

The beneficial effects of the utility model are as follows:

1. when the liquid is concentrated by falling film, the liquid is introduced into the first liquid distributor through the liquid inlet pipe, and simultaneously high-temperature gas is introduced into the two gas distributors, at this time, the liquid passes through the uniform distributor and the film forming device, and uniformly flows from top to bottom under the action of gravity, vacuum induction and air flow, and meanwhile, the gas distributors uniformly spray out the high-temperature gas, the high-temperature gas rises under the characteristics of the gas distributors and contacts with the film-shaped liquid to perform heat exchange, the film-shaped liquid after heat exchange enters the second liquid distributor under the action of the liquid collector and the communicating pipe, uniformly flows from top to bottom under the action of gravity, vacuum induction and air flow, and simultaneously performs second heat exchange with the gas distributors, so that the heat exchange time of the liquid and the steam can be prolonged, the heat exchange between the two groups is more uniform, the water contained in the liquid is more thoroughly evaporated, and the concentration effect of the device is improved.

2. The high-temperature gas sprayed out of the gas distributor at the bottom of the concentration box is collected by the gas collector after heat exchange with liquid materials and is discharged into the condensation box for condensation, so that water vapor in the high-temperature gas is condensed into liquid, the liquid is separated from the high-temperature gas, the high-temperature gas after condensation and drying is introduced into the gas distributor at the middle part of the concentration box for heat exchange with the liquid again, the heat of the high-temperature gas can be fully utilized, and the heat loss is reduced.

Drawings

Fig. 1 is a schematic overall structure of an embodiment of the present utility model.

Fig. 2 is a schematic view of the internal structure of the concentrating tank of the present utility model.

Fig. 3 is a front cross-sectional view of the concentrator of the present utility model.

FIG. 4 is a front cross-sectional view of the air distributor of the present utility model

In the figure: 10. a concentrating tank; 11. a condensing box; 12. a connection part; 13. support legs; 14. a liquid discharge pipe; 20. a first liquid distributor; 21. a liquid inlet pipe; 22. a liquid collector; 23. an air distributor; 231. an annular air distribution pipe; 232. a gas distribution straight pipe; 233. an air outlet hole; 24. a second liquid distributor; 25. a communicating pipe; 26. an air collector.

Detailed Description

The following describes the embodiments of the present utility model further with reference to the drawings.

A novel falling film concentrator, as shown in figure 1, comprising: the concentrating box 10, the bottom edge of concentrating box 10 fixed mounting has at least three supporting legs 13 along its cylinder direction equipartition, and fluid-discharge tube 14 is installed to the bottom of concentrating box 10, and the top middle part fixed mounting of concentrating box 10 has feed liquor pipe 21, and the gas vent has been seted up to top one side of concentrating box 10.

In embodiment 1, as shown in fig. 2, a first liquid distributor 20 and a second liquid distributor 24 are installed from top to bottom in the concentration tank 10, wherein the second liquid distributor comprises a liquid uniform distributor and a film forming device, a liquid collector 22 is installed between the first liquid distributor 20 and the second liquid distributor 24, a communicating pipe 25 is communicated between the bottom of the liquid collector 22 and the second liquid distributor 24, a gas distributor 23 is installed between the first liquid distributor 20 and the liquid collector 22 and at the inner bottom of the concentration tank 10, and the bottom of a liquid inlet pipe 21 extends into the concentration tank 10 and is communicated with the first liquid distributor 20.

In this embodiment, when the liquid is concentrated by falling film, the liquid is introduced into the first liquid distributor 20 through the liquid inlet pipe 21, and simultaneously, the high temperature gas is introduced into the two gas distributors 23, at this time, the liquid passes through the uniform distributor and the film forming device, and under the action of gravity, vacuum induction and air flow, the liquid flows uniformly in film form from top to bottom, and meanwhile, the gas distributors 23 uniformly spray out the high temperature gas, the high temperature gas rises under the characteristics of the gas distributors themselves and contacts with the film-shaped liquid to perform heat exchange, the film-shaped liquid after heat exchange enters the second liquid distributor 24 under the action of the liquid collector 22 and the communicating pipe 25, and passes through the uniform distributor and the film forming device, and under the action of gravity, vacuum induction and air flow, the liquid and the air flow are uniformly in film form from top to bottom, and simultaneously, the high temperature gas is sprayed out from the gas distributors 23 to perform the second heat exchange, so that the heat exchange time of the liquid and the steam can be prolonged, the heat exchange between the two groups is more uniform, the water contained in the liquid is evaporated more thoroughly, and the concentration effect of the device is improved.

As shown in fig. 4, the air distributor 23 includes an annular air distribution pipe 231 and a plurality of air distribution straight pipes 232, the air distribution straight pipes 232 are arranged in parallel in the inner ring of the annular air distribution pipe 231, both ends of the air distribution straight pipes are communicated with the inner part of the annular air distribution pipe 231, a plurality of air outlet holes 233 are formed in the bottoms of the annular air distribution pipe 231 and the air distribution straight pipes 232, the air outlet holes 233 on the air distribution straight pipes 232 are uniformly distributed along the axial direction of the air outlet holes 233 on the annular air distribution pipe 231 are uniformly distributed along the circumferential direction of the air outlet holes 233.

As shown in fig. 1 and 2, a condensation box 11 is installed on one side of the condensation box 10, a connecting part 12 is fixedly connected between the condensation box 11 and the condensation box 10, air inlet pipes are installed on one side, close to the condensation box 11, of an air distributor 23, air inlet pipes on the air distributor 23 between a first liquid distributor 20 and a liquid collector 22 are communicated with the inner top of the condensation box 11, an air collector 26 is installed between the liquid collector 22 and a second liquid distributor 24, and an air pipe is communicated between the top of the air collector 26 and the interior of the condensation box 11.

In this embodiment, the high-temperature gas sprayed by the gas distributor 23 at the bottom of the concentration tank 10 is collected by the gas collector 26 after heat exchange with the liquid material and is discharged into the condensation tank 11 for condensation, so that the water vapor in the high-temperature gas is condensed into liquid to be separated from the high-temperature gas, and the condensed and dried high-temperature gas is introduced into the gas distributor 23 in the middle of the concentration tank 10 for heat exchange with the liquid again, thereby fully utilizing the heat of the high-temperature gas and reducing the heat loss.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. A novel falling film concentrator, comprising: the concentrating tank (10), first cloth liquid ware (20) are installed at the interior top of concentrating tank (10), second cloth liquid ware (24) are installed to the below of first cloth liquid ware (20), install liquid collector (22) between first cloth liquid ware (20) and second cloth liquid ware (24), communicate between the bottom of liquid collector (22) and second cloth liquid ware (24) and communicate pipe (25), gas distributor (23) are all installed to the interior bottom between first cloth liquid ware (20) and liquid collector (22) and concentrating tank (10).

2. The novel falling film concentrator as claimed in claim 1, wherein the gas distributor (23) comprises an annular gas distribution pipe (231) and a plurality of gas distribution straight pipes (232), the gas distribution straight pipes (232) are arranged in the inner ring of the annular gas distribution pipe (231) in parallel, and both ends of the gas distribution straight pipes are communicated with the inside of the annular gas distribution pipe (231).

3. The novel falling film concentrator as claimed in claim 2, wherein the bottoms of the annular gas distribution pipe (231) and the gas distribution straight pipe (232) are provided with a plurality of gas outlet holes (233), the gas distribution straight pipe (232) is provided with a plurality of gas outlet holes (233) uniformly distributed along the axis direction, and the annular gas distribution pipe (231) is provided with a plurality of gas outlet holes (233) uniformly distributed along the circumferential direction.

4. The novel falling film concentrator as claimed in claim 1, wherein a condensing box (11) is installed on one side of the condensing box (10), a connecting portion (12) is fixedly connected between the condensing box (11) and the condensing box (10), air inlet pipes are installed on one side, close to the condensing box (11), of the air distributor (23), and the air inlet pipes on the air distributor (23) between the first liquid distributor (20) and the liquid collector (22) are communicated with the inner top of the condensing box (11).

5. The novel falling film concentrator as claimed in claim 4, wherein a gas collector (26) is installed between the liquid collector (22) and the second liquid distributor (24), and a vent pipe is communicated between the top of the gas collector (26) and the interior of the condensing box (11).

6. The novel falling film concentrator as claimed in any one of claims 1 to 5, wherein at least three supporting legs (13) uniformly distributed along the cylindrical direction are fixedly arranged at the bottom edge of the concentrating tank (10), and a liquid discharge pipe (14) is arranged at the bottom of the concentrating tank (10).

7. The novel falling film concentrator as claimed in any one of claims 1 to 5, wherein a liquid inlet pipe (21) is fixedly installed in the middle of the top end of the concentrating tank (10), the bottom of the liquid inlet pipe (21) extends into the concentrating tank (10) and is communicated with the first liquid distributor (20), and an exhaust port is formed in one side of the top of the concentrating tank (10).