CN213492027U

CN213492027U - Tubular natural circulation evaporator

Info

Publication number: CN213492027U
Application number: CN202021978279.8U
Authority: CN
Inventors: 王俊龙; 裴传龙; 朱立中
Original assignee: Hangzhou Jingshi Technology Co ltd
Current assignee: Qidong Shennong Machinery Co ltd
Priority date: 2020-09-10
Filing date: 2020-09-10
Publication date: 2021-06-22
Anticipated expiration: 2030-09-10

Abstract

The utility model relates to an evaporimeter technical field just discloses a tubular natural circulation evaporimeter, which comprises a housin, the inside of casing is provided with evaporation mechanism, the fixed intercommunication in right side of casing has the steam pipe, the upper surface of casing is provided with the apron, wherein, the bottom fixedly connected with supporting leg of casing, the left side of casing is seted up flutedly, the inner wall of recess and evaporation mechanism's surface contact, evaporation mechanism's fixed surface is connected with the closing plate, the surface of closing plate and the inner wall contact of casing. The utility model discloses a set up apron, L shape mount and fixed establishment, when needs are changed or are washd evaporation mechanism, the spacing of pulling downwards makes spacing and L shape mount separation, then, shifts out L shape mount from the spacing inslot, at this moment, can dismantle the apron from the casing, and then makes evaporation mechanism take out in the casing, and convenient to use person changes or washs evaporation mechanism.

Description

Tubular natural circulation evaporator

Technical Field

The utility model relates to an evaporimeter technical field especially relates to a tubular natural circulation evaporimeter.

Background

The central circulating pipe type evaporator belongs to a natural circulation type evaporator. The tubular natural circulation evaporator is a large evaporator which is widely used in industrial production and has a long history, and is still widely adopted in the industries of chemical engineering, light industry, environmental protection and the like until now.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model is to solve the shortcoming that exists among the prior art, if: at present, the evaporation pipeline on the tubular natural circulation evaporator is usually positioned inside the shell, and the evaporation pipeline is disassembled and assembled inconveniently, so that the evaporation pipeline is not convenient for a user to replace or clean, and the tubular natural circulation evaporator is provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a tubular natural circulation evaporator comprises a shell, wherein an evaporation mechanism is arranged in the shell, a steam pipe is fixedly communicated with the right side of the shell, a cover plate is arranged on the upper surface of the shell, an air outlet pipe is fixedly communicated with the upper surface of the cover plate, supporting legs are fixedly connected to the bottom of the shell, a liquid outlet pipe is fixedly communicated with the bottom of the shell, a groove is formed in the left side of the shell, the inner wall of the groove is in contact with the surface of the evaporation mechanism, a sealing plate is fixedly connected to the surface of the evaporation mechanism, and the surface of the sealing plate is in contact with the inner wall of the shell;

the bottom of the cover plate is in contact with the upper surface of the sealing plate, a hinge groove is formed in the surface of the cover plate, an L-shaped fixing frame is hinged to the inner wall of the hinge groove through a pin shaft, the surface of the shell is fixedly connected with a fixing mechanism, and the inner wall of the fixing mechanism is in contact with the surface of the inner wall of the L-shaped fixing frame.

Preferably, the bottom of the shell is arc-shaped, and the center of the shell and the center of the liquid outlet pipe are on the same vertical line.

Preferably, the evaporation mechanism comprises a lower tube plate, the upper surface of the lower tube plate is connected with boiling tubes in an expanded mode, the upper surface of the lower tube plate is connected with a central circulating tube in an expanded mode, the central circulating tube is located between the left boiling tube and the right boiling tube, the upper surfaces of the boiling tubes and the upper surface of the central circulating tube are connected with upper tube plates in an expanded mode, the upper surface of the central circulating tube is fixedly communicated with a raw material tube, the surface of the raw material tube is in contact with the inner wall of the groove, the surface of the raw material tube is fixedly connected with the inner wall of the sealing plate, and the surface of the lower tube plate and the surface of the upper tube plate.

Preferably, the fixing mechanism includes a supporting block, the surface of the supporting block is fixedly connected with the surface of the housing, the surface of the supporting block is connected with a limiting frame in a sliding manner, a T-shaped slider is fixedly connected with the inner wall of the limiting frame, a T-shaped chute is formed in one side, away from the housing, of the supporting block, the surface of the T-shaped slider is connected with the inner wall of the T-shaped chute in a sliding manner, a first connecting plate is fixedly connected with the bottom of the supporting block, a spring is fixedly connected with the bottom of the first connecting plate, second connecting plates are fixedly connected with the bottom of the spring and the bottom of the limiting frame, a limiting groove is formed in one side, away from the housing, of the supporting block, and the.

Preferably, the number of the L-shaped fixing frames is three, and the three L-shaped fixing frames are symmetrically distributed by taking the air outlet pipe as the center.

Preferably, the bottom of the cover plate is fixedly connected with a positioning block, the front side and the rear side of the shell are fixedly connected with positioning frames, and the inner wall of each positioning frame is in contact with the surface of the corresponding positioning block.

Preferably, a support ring is fixedly connected to the inner wall of the shell, and the upper surface of the support ring is in contact with the bottom of the lower tube plate.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses a set up the apron, L shape mount and fixed establishment, when needs are changed or are washd evaporation mechanism, spacing frame of downward pulling, make spacing frame and L shape mount separation, then, shift out L shape mount from the spacing inslot, at this moment, can dismantle the apron from the casing, and then make evaporation mechanism take out in the casing, convenient to use person changes or washs evaporation mechanism, and simultaneously, through set up the support ring in the casing, the support ring plays the supporting role to evaporation mechanism, and then prevent that evaporation mechanism's gravity is great, lead to the junction to take place the fracture between central circulating pipe and the former feed pipe.

(2) The utility model discloses a locating rack and locating piece, wherein, the locating rack plays limiting displacement to the locating piece, when the installation apron, places the apron on the casing to insert the locating piece to the locating rack in, through the cooperation of locating rack and locating piece, make L shape mount and fixed establishment, and then convenient to use person inserts L shape mount to fixed establishment in, it is comparatively convenient to make the installation between apron and the casing.

Drawings

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

FIG. 2 is an enlarged view of the point A in FIG. 1 according to the present invention;

FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1 in accordance with the present invention;

fig. 4 is a front view of the structure of the present invention;

fig. 5 is an enlarged view of the point C in fig. 4 according to the present invention.

In the figure: 1. a housing; 2. supporting legs; 3. a liquid outlet pipe; 4. an evaporation mechanism; 41. a lower tube plate; 42. a boiling tube; 43. a central circulation tube; 44. an upper tube sheet; 45. a raw material pipe; 5. a groove; 6. a sealing plate; 7. a steam pipe; 8. a cover plate; 9. a hinge slot; 10. an L-shaped fixing frame; 11. a fixing mechanism; 111. a support block; 112. a limiting frame; 113. a T-shaped slider; 114. A T-shaped chute; 115. a first connecting plate; 116. a spring; 117. a second connecting plate; 118. A limiting groove; 12. an air outlet pipe; 13. positioning blocks; 14. a positioning frame; 15. and (3) supporting the ring.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-5, a tubular natural circulation evaporator, including casing 1, casing 1's bottom fixedly connected with supporting leg 2, casing 1's bottom is fixed to be communicated with drain pipe 3, casing 1's bottom is circular-arc, and casing 1's center is on same plumb line with drain pipe 3's center, casing 1's inside is provided with evaporation mechanism 4, casing 1's left side is seted up recess 5, the inner wall of recess 5 and evaporation mechanism 4's surface contact, evaporation mechanism 4's fixed surface is connected with closing plate 6, the surface of closing plate 6 and casing 1's inner wall contact, seal recess 5 through closing plate 6.

A steam pipe 7 is fixedly communicated with the right side of the shell 1, a cover plate 8 is arranged on the upper surface of the shell 1, the bottom of the cover plate 8 is in contact with the upper surface of the sealing plate 6, a hinge groove 9 is formed in the surface of the cover plate 8, the inner wall of the hinge groove 9 is hinged with an L-shaped fixing frame 10 through a pin shaft, the L-shaped fixing frame 10 can freely rotate in the hinge groove 9, a fixing mechanism 11 is fixedly connected with the surface of the shell 1, the inner wall of the fixing mechanism 11 is in contact with the surface of the inner wall of the L-shaped fixing frame 10, a positioning block 13 is fixedly connected with the bottom of the cover plate 8, positioning frames 14 are fixedly connected with the front side and the rear side of the shell 1, the inner wall of each positioning frame 14 is in contact with the surface of the positioning block 13, and passes through the positioning frames 14 and the positioning blocks 13, wherein the positioning frames 14 play a, through the cooperation of locating rack 14 and locating piece 13, make L shape mount 10 and fixed establishment 11, and then convenient to use person inserts L shape mount 10 to fixed establishment 11 in, it is comparatively convenient to make the installation between apron 8 and the casing 1, and the fixed intercommunication of upper surface of apron 8 has outlet duct 12.

The evaporation mechanism 4 comprises a lower tube plate 41, a boiling tube 42 is expanded on the upper surface of the lower tube plate 41, a central circulating tube 43 is expanded on the upper surface of the lower tube plate 41, the central circulating tube 43 is positioned between the left boiling tube 42 and the right boiling tube 42, an upper tube plate 44 is expanded on the upper surface of the boiling tube 42 and the upper surface of the central circulating tube 43, a raw material tube 45 is fixedly communicated with the upper surface of the central circulating tube 43, the surface of the raw material tube 45 is in contact with the inner wall of the groove 5, the surface of the raw material tube 45 is fixedly connected with the inner wall of the sealing plate 6, the surface of the lower tube plate 41 and the surface of the upper tube plate 44 are in contact with the inner wall of the shell 1, a support ring 15 is fixedly connected with the inner wall.

The fixing mechanism 11 comprises a supporting block 111, the surface of the supporting block 111 is fixedly connected with the surface of the shell 1, the surface of the supporting block 111 is connected with a limiting frame 112 in a sliding manner, the inner wall of the limiting frame 112 is fixedly connected with a T-shaped sliding block 113, one side of the supporting block 111, which is far away from the shell 1, is provided with a T-shaped sliding chute 114, the surface of the T-shaped sliding block 113 is connected with the inner wall of the T-shaped sliding chute 114 in a sliding manner, the supporting block 111 and the limiting frame 112 cannot be separated through the matching of the T-shaped sliding chute 114 and the T-shaped sliding block 113, the bottom of the supporting block 111 is fixedly connected with a first connecting plate 115, the bottom of the first connecting plate 115 is fixedly connected with a spring 116, the bottom of the spring 116 and the bottom of the limiting frame 112 are both fixedly connected with a second connecting plate 117, the spring 116 plays a pulling role on the, the number of the L-shaped fixing frames 10 is three, and the three L-shaped fixing frames 10 are symmetrically distributed with the outlet pipe 12 as the center, and the L-shaped fixing frames 10 are clamped in the limiting groove 118 through the limiting frame 112.

In the utility model, when the user uses the device, after the raw material enters the central circulation pipe 43 through the raw material pipe 45, the steam enters the shell 1 through the steam pipe 7, because the diameter value of the boiling pipe 42 is smaller than that of the central circulation pipe 43, the heating surface of the solution in the boiling pipe 42 per unit volume is larger than that of the central circulation pipe 43, namely, the former is heated well and the solution is vaporized much, therefore, the density of the mixture of the steam and the liquid in the boiling pipe 42 is smaller than that in the central circulation pipe 43, the density difference causes the solution to perform continuous regular natural circulation motion of descending along the central circulation pipe 43 and ascending along the boiling pipe 42, when the evaporation mechanism 4 needs to be replaced or cleaned, the limiting frame 112 is pulled downwards to separate the limiting frame 112 from the L-shaped fixing frame 10, then the L-shaped fixing frame 10 is moved out from the limiting groove 118, at the moment, the cover plate 8 can be detached from the shell 1, and then the evaporation mechanism, when installing evaporation mechanism 4, place evaporation mechanism 4 in casing 1, seal recess 5 through closing plate 6, then, place apron 8 on casing 1 to insert L shape mount 10 to spacing groove 118 in, at this moment, through spacing 112 with L shape mount 10 card on supporting shoe 111, and then through the cooperation of L shape mount 10 and fixed establishment 11, fix apron 8 on casing 1.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims

1. A tubular natural circulation evaporator comprises a shell (1), wherein an evaporation mechanism (4) is arranged inside the shell (1), a steam pipe (7) is fixedly communicated with the right side of the shell (1), a cover plate (8) is arranged on the upper surface of the shell (1), and an air outlet pipe (12) is fixedly communicated with the upper surface of the cover plate (8), and the tubular natural circulation evaporator is characterized in that supporting legs (2) are fixedly connected with the bottom of the shell (1), a liquid outlet pipe (3) is fixedly communicated with the bottom of the shell (1), a groove (5) is formed in the left side of the shell (1), the inner wall of the groove (5) is in contact with the surface of the evaporation mechanism (4), a sealing plate (6) is fixedly connected with the surface of the evaporation mechanism (4), and the surface of the sealing plate (6) is in contact with the inner wall of the shell (;

the bottom of apron (8) and the upper surface contact of closing plate (6), hinge groove (9) have been seted up on the surface of apron (8), the inner wall in hinge groove (9) articulates through the round pin axle has L shape mount (10), casing (1) fixed surface is connected with fixed establishment (11), the inner wall of fixed establishment (11) and the inner wall surface contact of L shape mount (10).

2. A tubular natural circulation evaporator according to claim 1, characterized in that the bottom of the shell (1) is circular arc-shaped, and the center of the shell (1) and the center of the liquid outlet pipe (3) are on the same vertical line.

3. A tubular natural circulation evaporator according to claim 1, wherein the evaporation means (4) comprises a lower tube sheet (41), the upper surface of the lower tube plate (41) is expanded and connected with a boiling tube (42), the upper surface of the lower tube plate (41) is expanded and connected with a central circulating tube (43), the central circulating pipe (43) is positioned between the left boiling pipe and the right boiling pipe (42), the upper surfaces of the boiling pipes (42) and the upper surface of the central circulating pipe (43) are respectively provided with an upper pipe plate (44) in an expanded mode, the upper surface of the central circulating pipe (43) is fixedly communicated with a raw material pipe (45), the surface of the raw material pipe (45) is contacted with the inner wall of the groove (5), the surface of the raw material pipe (45) is fixedly connected with the inner wall of the sealing plate (6), the surface of the lower tube plate (41) and the surface of the upper tube plate (44) are both in contact with the inner wall of the shell (1).

4. The tubular natural circulation evaporator according to claim 1, wherein the fixing mechanism (11) comprises a supporting block (111), the surface of the supporting block (111) is fixedly connected with the surface of the shell (1), the surface of the supporting block (111) is slidably connected with a limiting frame (112), the inner wall of the limiting frame (112) is fixedly connected with a T-shaped slider (113), one side of the supporting block (111) far away from the shell (1) is provided with a T-shaped chute (114), the surface of the T-shaped slider (113) is slidably connected with the inner wall of the T-shaped chute (114), the bottom of the supporting block (111) is fixedly connected with a first connecting plate (115), the bottom of the first connecting plate (115) is fixedly connected with a spring (116), and the bottoms of the spring (116) and the limiting frame (112) are both fixedly connected with a second connecting plate (117), a limiting groove (118) is formed in one side, away from the shell (1), of the supporting block (111), and the surface of the limiting groove (118) is in contact with the inner wall of the L-shaped fixing frame (10).

5. The tubular natural circulation evaporator according to claim 1, wherein the number of the L-shaped fixing frames (10) is three, and the three L-shaped fixing frames (10) are symmetrically distributed with the outlet pipe (12) as a center.

6. The tubular natural circulation evaporator according to claim 1, wherein a positioning block (13) is fixedly connected to the bottom of the cover plate (8), positioning frames (14) are fixedly connected to the front side and the rear side of the shell (1), and the inner walls of the positioning frames (14) are in contact with the surfaces of the positioning block (13).

7. A tube natural circulation evaporator according to claim 1, characterized in that a support ring (15) is fixedly connected to the inner wall of the shell (1), and the upper surface of the support ring (15) is in contact with the bottom of the lower tube sheet (41).