CN217092092U

CN217092092U - Plate shell type evaporator

Info

Publication number: CN217092092U
Application number: CN202220715400.0U
Authority: CN
Inventors: 梁晓敏; 王汉坤; 吴杨
Original assignee: Shandong Wintech Technology Co ltd
Current assignee: Shandong Wintech Technology Co ltd
Priority date: 2022-03-29
Filing date: 2022-03-29
Publication date: 2022-08-02
Anticipated expiration: 2032-03-29

Abstract

The utility model relates to a plate and shell type evaporator, including separator and heating chamber, the fixed top that sets up at the heating chamber of separator, separator include the separation casing, and separation casing upper portion is equipped with the demister, and separation casing top is equipped with the steam exit tube, and the heating chamber includes heating shell, and the top of heating shell and the bottom fixed connection of separation casing are equipped with the plate bundle module in the heating shell, and heating shell upper portion is equipped with steam and advances pipe and material and advance the pipe, and the lower part of heating shell is equipped with the drain pipe, and the bottom of heating shell is equipped with the material exit tube. The utility model discloses evaporating chamber and heating chamber body structure, area is little, and overall design, simple to operate utilizes plate heat exchanger, compact structure.

Description

Plate shell type evaporator

Technical Field

The utility model belongs to the technical field of evaporation equipment, concretely relates to plate and shell type evaporator.

Background

In the field of evaporators, liquid media are evaporated and concentrated by introducing steam, and the evaporators can be divided into a single-effect evaporator, a double-effect evaporator, a triple-effect evaporator and the like according to actual working conditions. Most of the existing evaporators are tubular evaporators, and a heating chamber and a separation chamber are arranged separately. The material is heated in the heating chamber and then enters the separation chamber for gas-liquid separation, so that the occupied space is large.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a shell and plate evaporimeter solves present evaporimeter and is shell and tube structure, and heating chamber and separator are separately arranged. The material is heated in the heating chamber and then enters the separation chamber for gas-liquid separation, which causes the problem of large occupied space.

The utility model relates to a plate and shell type evaporator, including separator and heating chamber, the fixed top that sets up at the heating chamber of separator, separator include the separation casing, and separation casing upper portion is equipped with the demister, and separation casing top is equipped with the steam exit tube, and the heating chamber includes heating shell, and the top of heating shell and the bottom fixed connection of separation casing are equipped with the plate bundle module in the heating shell, and heating shell upper portion is equipped with steam and advances pipe and material and advance the pipe, and the lower part of heating shell is equipped with the drain pipe, and the bottom of heating shell is equipped with the material exit tube.

The top of the separation shell is also provided with a washing effect water pipe.

The plate bundle module comprises a plate bundle core body, a material distributor communicated with a material inlet pipe is fixed at the top of the plate bundle core body, baffle plates connected with a heating shell are fixed on the outer side of the plate bundle core body, the baffle plates are provided with a plurality of baffle plates in the vertical direction, a material receiving groove communicated with a material outlet pipe is arranged at the bottom of the plate bundle core body, and an operation hole is formed in each baffle plate. The middle of the baffle plate is provided with a square hole which is sleeved on the plate bundle core body, and the outer ring of the baffle plate is in a circular shape and is attached to the heating shell body to play a role in supporting and fixing the plate bundle. The left side and the right side of the baffle plate are provided with fan-shaped operation holes, so that workers can conveniently enter the barrel body to conveniently weld and the like, and the front side and the rear side of the baffle plate are provided with baffle holes according to baffle requirements, so that the front opening and the rear opening of each layer of baffle plate are alternately arranged, and the baffle is convenient.

The material distributor comprises a distribution box, a plurality of lower distribution grooves which are arranged in parallel are fixed on the lower portion of the distribution box, an upper distribution groove which is perpendicular to the lower distribution grooves is arranged in the middle of the upper portion of each lower distribution groove, a plurality of distribution plate holes are formed in the bottom plate of the distribution box on two sides of the bottom of each lower distribution groove, and a plurality of zigzag overflow grooves are formed in the side walls of the tops of the upper distribution grooves and the lower distribution grooves. The material advances the pipe and gets into the back from the material, falls the upper distribution silo in the middle earlier, along with the material gets into, can overflow launder overflow to the lower distribution silo on the upper distribution silo, when the lower distribution silo is full, can overflow launder overflow to the distribution diaphragm orifice on the lower distribution silo, reaches even feeding, and the material of being convenient for can distribute evenly before getting into the board and restrainting the core, is unlikely to lead to the slab to burn futilely.

The plate bundle core is formed by laminating and fixing a plurality of plates, each plate is provided with a plurality of rows of bulges, each row of bulges are alternately arranged by circular bulges and oval bulges, the stretching directions of the circular bulges and the oval bulges are opposite, namely the bulges are respectively arranged on two sides of the plate, the circular bulges and the oval bulges of the plurality of plates form a material channel in the vertical direction, and the circular bulges and the oval bulges of the plurality of plates form a steam channel in the horizontal direction. The two sides of the plate sheets can form better support, and the bulges are arranged in a triangular shape from top to bottom when the two plate forming plate pairs are arranged. The medium passes through the middle of the two oval bulges, flows through the next oval bulge and passes through the left side and the right side of the next oval bulge, the medium is not easy to block, and even if one side is blocked, the medium can also pass through the other side of the oval bulge. And outlets of the steam inlet pipes are arranged in the air inlet direction between two adjacent baffle plates.

Compared with the prior art, the utility model has the advantages of:

the evaporation chamber and the heating chamber are of an integrated structure, the occupied area is small, the whole design is realized, the installation is convenient, and the structure is compact by utilizing the plate heat exchanger.

The material distributor is arranged, so that materials can be uniformly distributed before entering the plate bundle core, and the dry burning of the plate sheets is avoided.

The plate sheets of the plate bundle core body are provided with circular bulges and oval bulges, and the medium is not easy to block.

Drawings

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

FIG. 2 is a schematic perspective view of a plate bundle module;

FIG. 3 is a schematic top view of the material distributor;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 2;

FIG. 5 is a schematic view of the construction of the plate;

FIG. 6 is a schematic view of the left side structure of FIG. 5;

FIG. 7 is a schematic view of the upper side structure of FIG. 5;

in the figure: 1. the device comprises a separation chamber, 2, a heating chamber, 3, a demister, 4, a separation shell, 5, a plate bundle module, 6, a steam inlet pipe, 7, a material inlet pipe, 8, a heating shell, 9, a drain pipe, 10, a material outlet pipe, 11, a washing water pipe, 12, a steam outlet pipe, 13, a material distributor, 14, an operation hole, 15, a plate bundle core, 16, a baffle plate, 17, a material receiving groove, 18, an upper distributing groove, 19, a lower distributing groove, 20, a distributing plate hole, 21, an oval bulge, 22, a circular bulge, 23, a plate sheet, 24, a material channel, 25, a steam channel, 26 and an overflow groove.

Detailed Description

The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 7, the utility model discloses lamella evaporator, including separator 1 and heating chamber 2, the fixed top that sets up at heating chamber 2 of separator 1, separator 1 includes separation shell 4, separation shell 4 upper portion is equipped with demister 3, separation shell 4 top is equipped with steam outlet pipe 12, heating chamber 2 includes heating shell 8, the top of heating shell 8 and the bottom fixed connection of separation shell 4, be equipped with plate bundle module 5 in the heating shell 8, heating shell 8 upper portion is equipped with steam and advances pipe 6 and material and advance pipe 7, the lower part of heating shell 8 is equipped with drain pipe 9, the bottom of heating shell 8 is equipped with material exit pipe 10.

The top of the separation shell 4 is also provided with a washing effect water pipe 11.

The plate bundle module 5 comprises a plate bundle core body 15, a material distributor 13 communicated with a material inlet pipe 7 is fixed at the top of the plate bundle core body 15, baffle plates 16 connected with a heating shell 8 are fixed at the outer side of the plate bundle core body 15, the baffle plates 16 are arranged in a plurality along the vertical direction, a material receiving groove 17 communicated with a material outlet pipe 10 is arranged at the bottom of the plate bundle core body 15, and an operation hole 14 is formed in each baffle plate 16.

The material distributor 13 comprises a distribution box, a plurality of lower distribution grooves 19 which are arranged in parallel are fixed at the lower part of the distribution box, an upper distribution groove 18 which is perpendicular to the lower distribution groove is arranged in the middle of the upper part of the lower distribution groove 19, a plurality of distribution plate holes 20 are arranged on the bottom plates of the distribution boxes at two sides of the bottom of each lower distribution groove 19, and a plurality of sawtooth-shaped overflow grooves 26 are arranged on the side walls of the tops of the upper distribution groove 18 and the lower distribution groove 19.

The plate bundle core body 15 is formed by laminating and fixing a plurality of plate sheets 23, a plurality of rows of bulges are arranged on each plate sheet 23, each row of bulges are formed by alternately arranging circular bulges 22 and oval bulges 21, the stretching directions of the circular bulges 22 and the oval bulges 21 are opposite, the circular bulges 22 and the oval bulges 21 of the plurality of plate sheets 23 form a material channel 24 in the vertical direction, and the circular bulges 22 and the oval bulges 21 of the plurality of plate sheets 23 form a steam channel 25 in the horizontal direction.

When the device works, materials enter the material distributor 13 from the material inlet pipe 7 and are uniformly distributed, the uniformly distributed materials enter the material channel 24 of the plate bundle core body 15 uniformly and exchange heat with steam entering the steam channel 25 from the steam inlet pipe 6, the materials are heated, evaporated and concentrated, the concentrated materials are discharged from the material outlet pipe 10 and enter the next-effect evaporator to be used as the materials to be evaporated and concentrated again; the steam generated by the evaporation of the materials is subjected to gas-liquid separation through the separation chamber 1, the separated steam is discharged from the steam outlet pipe 12 and enters the next-effect evaporator to be used as a heat medium to heat the materials, and the separated liquid falls and is then discharged from the water discharge pipe 9.

To sum up, the utility model discloses an evaporating chamber and heating chamber body structure, area is little, and overall design, simple to operate utilizes plate heat exchanger, compact structure. The material distributor is arranged, so that materials can be uniformly distributed before entering the plate bundle core, and the dry burning of the plate sheets is avoided. The plate sheets of the plate bundle core body are provided with circular bulges and oval bulges, and the medium is not easy to block.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

In the description of the present invention, the terms "inside", "outside", "longitudinal", "lateral", "up", "down", "top", "bottom", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description of the present invention rather than requiring the present invention to be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

Claims

1. A plate and shell evaporator comprising a separation chamber (1) and a heating chamber (2), characterized in that: the fixed top that sets up in heating chamber (2) in separation chamber (1), separation chamber (1) is including separation casing (4), separation casing (4) upper portion is equipped with demister (3), separation casing (4) top is equipped with steam outlet pipe (12), heating chamber (2) are including heating casing (8), the top of heating casing (8) and the bottom fixed connection of separation casing (4), be equipped with board bundle module (5) in heating casing (8), heating casing (8) upper portion is equipped with steam and advances pipe (6) and material and advance pipe (7), the lower part of heating casing (8) is equipped with drain pipe (9), the bottom of heating casing (8) is equipped with material outlet pipe (10).

2. The plate and shell evaporator as set forth in claim 1, wherein: the top of the separation shell (4) is also provided with a washing effect water pipe (11).

3. The plate and shell evaporator as set forth in claim 2, wherein: the plate bundle module (5) comprises a plate bundle core body (15), a material distributor (13) communicated with a material inlet pipe (7) is fixed at the top of the plate bundle core body (15), baffle plates (16) connected with a heating shell (8) are fixed on the outer sides of the plate bundle core body (15), the baffle plates (16) are arranged in a plurality along the vertical direction, a material receiving groove (17) communicated with a material outlet pipe (10) is formed in the bottom of the plate bundle core body (15), and an operation hole (14) is formed in each baffle plate (16).

4. A plate and shell evaporator as set forth in claim 3 wherein: the material distributor (13) comprises a distribution box, a plurality of lower distribution grooves (19) which are arranged in parallel are fixed on the lower portion of the distribution box, an upper distribution groove (18) which is perpendicular to the lower distribution grooves is formed in the middle of the upper portion of each lower distribution groove (19), a plurality of distribution plate holes (20) are formed in the bottom plate of each lower distribution groove (19) on the two sides of the bottom of each lower distribution groove, and a plurality of sawtooth-shaped overflow grooves (26) are formed in the side walls of the tops of the upper distribution grooves (18) and the lower distribution grooves (19).

5. The plate and shell evaporator as set forth in claim 4, wherein: the plate bundle core body (15) is formed by stacking and fixing a plurality of plate sheets (23), a plurality of rows of bulges are arranged on each plate sheet (23), each row of bulges are alternately arranged by a circular bulge (22) and an oval bulge (21), the stretching directions of the circular bulge (22) and the oval bulge (21) are opposite, the circular bulge (22) and the oval bulge (21) of the plurality of plate sheets (23) form a material channel (24) in the vertical direction, and the circular bulge (22) and the oval bulge (21) of the plurality of plate sheets (23) form a steam channel (25) in the horizontal direction.