CN217745750U

CN217745750U - Tubular evaporator

Info

Publication number: CN217745750U
Application number: CN202221664018.8U
Authority: CN
Inventors: 董建平
Original assignee: Wuxi Kelunda Chemical And Thermal Equipment Co ltd
Current assignee: Wuxi Kelunda Chemical And Thermal Equipment Co ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2022-11-08
Anticipated expiration: 2032-06-30

Abstract

The utility model provides a tubular evaporator, it can increase the thermal utilization ratio of heating medium when not prolonging casing length. The heating device comprises a shell, a first tube box and a second tube box, wherein the first tube box and the second tube box are positioned at two ends of the shell, the first tube box comprises a first sealing head and a first tube plate, the second tube box comprises a second sealing head and a second tube plate, a heating medium inlet is formed in the first sealing head, a heating medium outlet is formed in the second sealing head, a first heating medium cavity and a second heating medium cavity are formed in the first tube box in a separated mode through a first partition plate, a third heating medium cavity and a fourth heating medium cavity are formed in the second tube box in a separated mode through a second partition plate, the heating medium inlet is connected with the first heating medium cavity, the first heating medium cavity is connected with the third heating medium cavity through a heating tube, the third heating medium cavity is connected with the second heating medium cavity through a heating tube, the second heating medium cavity is connected with the fourth heating medium cavity through a heating tube, and the fourth heating medium cavity is connected with the heating medium outlet.

Description

Tubular evaporator

Technical Field

The utility model relates to an evaporimeter technical field specifically is a tubular evaporator.

Background

The types of evaporators are various, the functions of the evaporators are more, most of the evaporators are devices for reducing the temperature by means of evaporation and heat absorption when liquid substances are converted into gaseous states, and devices for purifying materials by evaporation such as scraper evaporators are also provided. The tubular evaporator is used as one type of evaporator, the structure of the tubular evaporator is similar to a heat exchanger, generally, the tubular evaporator is composed of tube boxes at two ends and a cylindrical shell positioned between the tube boxes, each tube box comprises a seal head and a tube plate, the seal heads of the tube boxes at two sides are respectively provided with a heating medium inlet and a heating medium outlet, the two tube plates are welded with a plurality of heating tubes, the heating tubes are axially connected with the two opposite tube plates along the cylindrical shell, the upper end and the lower end of the cylindrical shell are respectively provided with a cooling medium outlet and a cooling medium inlet, and the cooling medium is heated by the heating tubes to be evaporated in the shell.

SUMMERY OF THE UTILITY MODEL

To the heat in order to effectively utilize heating medium, traditional tubular evaporator need prolong the casing and lead to the problem of occupation of land length overlength, the utility model provides a tubular evaporator, it can increase the thermal utilization ratio of heating medium when not prolonging casing length.

The technical scheme is as follows: the utility model provides a tubular evaporator, its includes the casing and is located the first pipe case and the second pipe case at casing both ends, first pipe case is including head one and tube sheet one, second pipe case is including head two and tube sheet two, first pipe case with second pipe case is connected with the both ends that are located the heating pipe of casing respectively, be equipped with the heating medium import on the head one, be equipped with the heating medium export on the head two, the casing bottom is equipped with the import of cold medium matter, the casing top is equipped with the export of cold medium matter, its characterized in that: the heating device comprises a first pipe box, a second pipe box, a heating medium cavity I, a heating medium cavity II, a heating medium cavity III, a heating medium cavity IV and a heating medium cavity II, wherein the first pipe box is internally separated by a first separation plate, the second pipe box is internally separated by a second separation plate to form the heating medium cavity III and the heating medium cavity IV, the heating medium cavity III is connected with the heating medium cavity II by a heating pipe, the heating medium cavity II is connected with the heating medium cavity IV by the heating pipe, and the heating medium cavity IV is connected with a heating medium outlet.

It is further characterized in that:

a third partition plate is welded in the shell and divides the interior of the shell into an upper layer and a lower layer through the third partition plate, and circulation gaps are respectively formed between the third partition plate and the first tube plate and between the third partition plate and the second tube plate;

the bottom of the shell is provided with a drain outlet, the top of the shell is provided with a vent outlet, a safety valve port and a pressure sensor port, and the side part of the shell is provided with a liquid level pipe;

the bottom of the first pipe box and the bottom of the second pipe box are respectively provided with a liquid discharging port, and the tops of the first pipe box and the second pipe box are respectively provided with an anti-empty port.

The utility model has the advantages that: heating medium gets into heating medium cavity three after getting into the heating medium cavity earlier and gets into after getting into the casing through the heating pipe again, later continue to get into heating medium cavity two after getting into the casing through the heating pipe again, later get into heating medium cavity four after getting into the casing through the heating pipe, later discharge through the heating medium export, heating medium can circulate the cubic along casing length, thereby can increase the time that heating medium is located the casing, can effectively promote the thermal utilization ratio of heating medium when not prolonging casing length.

Drawings

FIG. 1 is a structural diagram of the present invention;

FIG. 2 is a left side view of FIG. 1;

FIG. 3 is a schematic diagram of two positions of the partition plate;

FIG. 4 is a schematic view of the position of the fill tube.

Detailed Description

As shown in fig. 1, 2, and 3, a tubular evaporator includes a casing 1, and a first channel and a second channel located at two ends of the casing 1, where the first channel includes a first sealing head 2 and a first tube plate 3, the second channel includes a second sealing head 4 and a second tube plate 5, the first channel and the second channel are respectively connected to two ends of a heating tube 6 located in the casing 1, the heating tube is fixed by a baffle plate welded in the casing, the first sealing head 2 is provided with a heating medium inlet 7 (the heating medium may be hot water), the second sealing head 4 is provided with a heating medium outlet 8, in the drawing, 71 is an inlet flange, 81 is an outlet flange, the bottom of the casing 1 is provided with a cooling medium inlet 9, the top of the casing 1 is provided with a cooling medium outlet 10 (the cooling medium may be pentafluoropropane), the first channel is internally partitioned by a first partition plate 11 to form a first heating medium cavity 12 and a second heating medium cavity 13, the second channel is partitioned by a second partition plate 14 to form a third heating medium cavity 15 and a fourth heating medium cavity 16, the heating medium inlet 7 is connected to the first heating medium cavity 12, the heating medium cavity 12 is connected to the third heating tube cavity 15, the heating medium cavity 16, and the fourth heating medium cavity 16 is connected to the heating medium cavity 6, and the heating medium cavity 16.

With reference to fig. 2 and 3, when the first tube box is projected onto the second tube box, the first heating medium cavity 12 needs to be overlapped with the third heating medium cavity 15, the third heating medium cavity 15 needs to be overlapped with the second heating medium cavity 13, and the second heating medium cavity 13 needs to be overlapped with the fourth heating medium cavity 16, so that the cavities can be sequentially connected through the heating tube, the heating medium can flow out of the evaporator after the heating medium passes through the length of the shell for three times, the heating time is prolonged, and the heat of the heating medium can be fully utilized.

In addition, a third partition plate 17 is welded in the shell 1, the interior of the shell 1 is divided into an upper layer 18 and a lower layer 19 through the third partition plate 17, circulation gaps are formed among the third partition plate 17, the first tube plate 3 and the second tube plate 5 respectively, so that the direct discharge of cold media after entering can be avoided, through the third partition plate 17, the media flow leftwards or rightwards respectively as shown in the figure 1, the media flowing leftwards enter the upper layer 18 from the circulation gaps after flowing for about the length of one shell and then flow to an outlet for discharge, and the media flowing rightwards enter the upper layer from the circulation gaps and then flow for about the length of one shell and then are discharged from the outlet, so that the media can flow for enough length of one shell to be discharged, the effective evaporation of the media can be guaranteed, and the time for the media to be positioned in the shell can be prolonged, and the heat of the heating media can be fully utilized.

The bottom of the shell 1 is provided with a sewage outlet 20, the top of the shell is provided with a vent 21, a safety valve port 22 and a pressure sensor port 23, and with reference to fig. 4, the side part of the shell 1 is provided with a liquid level pipe 24, the liquid level pipe is vertical, the bottom of the liquid level pipe is connected with the middle lower part of the shell, and the top of the liquid level pipe is connected with the middle upper part of the shell. The bottom parts of the first pipe box and the second pipe box are respectively provided with a liquid discharging port 25, and the top parts of the first pipe box and the second pipe box are respectively provided with an anti-emptying port 21.

The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope of the present invention should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a tubular evaporator, its includes the casing and is located the first pipe case and the second pipe case at casing both ends, first pipe case includes head one and tube sheet one, second pipe case includes head two and tube sheet two, first pipe case with second pipe case is connected with the both ends that are located the heating pipe in the casing respectively, be equipped with the heating medium import on the head one, be equipped with the heating medium export on the head two, the casing bottom is equipped with the import of refrigerant medium matter, the casing top is equipped with the export of refrigerant medium matter, its characterized in that: the heating device comprises a tube box I, a tube box II, a heating medium cavity I, a heating medium cavity II, a heating medium cavity III, a heating medium cavity IV, a heating medium inlet, a heating medium cavity III, a heating medium cavity II, a heating medium cavity III, a heating medium cavity IV, a heating medium cavity II, a heating medium cavity IV and a heating medium outlet.

2. A tube evaporator as set forth in claim 1 wherein: and a third partition plate is welded in the shell and divides the interior of the shell into an upper layer and a lower layer through the third partition plate, and circulation gaps are respectively arranged between the third partition plate and the first tube plate and between the third partition plate and the second tube plate.

3. A tube evaporator according to claim 2, wherein: the bottom of the shell is provided with a drain outlet, the top of the shell is provided with a vent outlet, a safety valve port and a pressure sensor port, and the side part of the shell is provided with a liquid level pipe.

4. A tube evaporator according to claim 2 or 3, wherein: the bottom of the first pipe box and the bottom of the second pipe box are respectively provided with a liquid discharging port, and the tops of the first pipe box and the second pipe box are respectively provided with an anti-empty port.