CN212902766U

CN212902766U - Gas heat exchanger for phosphogypsum acid making

Info

Publication number: CN212902766U
Application number: CN202021751259.7U
Authority: CN
Inventors: 杨洋
Original assignee: Hubei Tianxin Building Material Co ltd
Current assignee: Hubei Tianxin Building Material Co ltd
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2021-04-06
Anticipated expiration: 2030-08-20

Abstract

The utility model relates to a heat exchanger technical field, concretely relates to gas heat exchanger for phosphogypsum acid-making, flow board and baffling board including casing, U type, the top fixedly connected with roof of casing, the one end fixedly connected with injection pipe one of width direction is followed at the roof top, and injection pipe one is linked together with the casing is inside. The utility model discloses in, at the inside baffle that sets up of casing, the gas that will flow into through the baffle separates with the gas that flows out, with being connected with a plurality of U type flow plates on the baffle, through connect a plurality of communicating pipes in the right side on U type flow plate to can make the medium circulate and obtain thermal transmission, the structure of panel enables the medium and the gas that flows into and carries out the heat transfer of large tracts of land, thereby promotes heat transfer speed, improves the medium temperature after the heat transfer.

Description

Gas heat exchanger for phosphogypsum acid making

Technical Field

The utility model relates to a heat exchanger technical field, concretely relates to gas heat exchanger for phosphogypsum acid-making.

Background

The gas heat exchanger is used for transferring heat from a hot fluid to a cold fluid so as to meet the specified process requirements, is an industrial application of convective heat transfer and heat conduction, can be classified in different modes, and can be divided into a dividing wall type, a mixed type and a heat accumulating type according to the operation process; the degree of compactness of the surface thereof can be classified into two types, compact and non-compact.

Heat conducting materials used by the existing gas heat exchanger are generally tubular, but the tubular heat conducting materials are small in contact area and not fast enough in heat exchange speed, so that the temperature after heat exchange is not high enough.

SUMMERY OF THE UTILITY MODEL

In order to overcome foretell technical problem, an object of the utility model is to provide a gas heat exchanger for phosphogypsum acid-making, through at the inside baffle that sets up of casing, gas and the gaseous separation of outflow that will flow into through the baffle are separated and are come, with being connected with a plurality of U type flow plates on the baffle, through connecting a plurality of communicating pipes in the right side on U type flow plate, thereby can make the medium circulate and obtain thermal transmission, the structure of panel enables the medium and the gas that flows into and carries out the heat transfer of large tracts of land, thereby promote heat transfer speed, improve the medium temperature after the heat transfer.

The purpose of the utility model can be realized by the following technical scheme:

a gas heat exchanger for preparing acid from phosphogypsum comprises a shell, a U-shaped flow plate and a baffle plate, wherein the top of the shell is fixedly connected with a top plate, one end of the top plate along the width direction is fixedly connected with a first injection pipe communicated with the inside of the shell, one end of the top plate close to the first injection pipe is fixedly connected with a second injection pipe communicated with the inside of the shell, the bottom of a bottom plate of the shell is fixedly connected with a first outflow pipe at a position corresponding to the first injection pipe, the first outflow pipe is communicated with the inside of the shell, one end of the bottom plate of the shell far away from the first outflow pipe is fixedly connected with a second outflow pipe communicated with the inside of the shell, one end of a partition plate is fixedly connected with the center position of one side wall of the first injection pipe along the width direction in the shell, the other end of the partition plate is fixedly connected with, the upper four communication ports are connected with the cavity opening of the upper plate of the U-shaped flow plate, and the lower four communication ports are connected with the cavity opening of the lower plate of the U-shaped flow plate;

the U-shaped flow plate is a hollow cavity, cavity openings are formed in two plate ends of the U-shaped flow plate and communicated with corresponding communication openings, the U-shaped flow plate is fixedly connected with the baffle, a plurality of communication holes are formed in the surface of the U-shaped flow plate, communication pipes are arranged in the communication holes and fixedly connected with the U-shaped flow plate, the inside of the shell is communicated through the communication pipes, a medium can flow inside the shell, the medium can exchange heat with the medium, the heat exchange effect is achieved, two baffle plates are arranged on the upper plate and the lower plate of the U-shaped flow plate, two ends of each baffle plate are fixedly connected with the shell, four square holes are symmetrically formed in the surface of each baffle plate relative to the vertical central plane of the baffle plate, and the square holes are connected with the corresponding U-shaped flow plates in an inserting mode.

The U-shaped flow plate is fixedly connected with the inner side wall of the shell along the two ends of the U-shaped flow plate in the length direction, and the U-shaped flow plate is mainly fixed in the shell to keep the stability of the plate.

The two injection pipes are located between the baffle plate and the baffle plate, the first injection pipe and the first outflow pipe are located between the shell side plate and the baffle plate, and the positions of the first injection pipe and the first outflow pipe are limited, so that input gas can be conveyed to the U-shaped flow plate at the first time, output gas can be discharged at the first time, and the transmission rate is improved.

The U-shaped flow plate is characterized in that the distance between the two baffle plates of the upper plate of the U-shaped flow plate is equal to the distance between the two baffle plates of the lower plate, and the baffle plates of the upper plate and the lower plate are different in position and are mainly used for changing the flow direction of the medium, so that the contact area between the medium and the U-shaped flow plate is increased, and the temperature of the medium is increased.

Further, a plurality of bolt holes are formed in the pipe openings of the first injection pipe, the first outflow pipe, the second injection pipe and the second outflow pipe, the bolt holes are formed to facilitate butt joint of the pipeline and the pipeline, leakage of input gas and output gas is prevented, and therefore heat exchange rate is reduced.

Furthermore, the U-shaped flow plate is made of stainless steel, so that the plate is prevented from rusting after long-time use, the purity of the medium can be reduced, and the heat conducting performance is improved.

The utility model has the advantages that:

1. through setting up the baffle in that the casing is inside, will flow into through the baffle and the gaseous separation of outflow comes, with being connected with a plurality of U type flow plates on the baffle, through connect a plurality of communicating pipes in the right side on U type flow plate to can make the medium can circulate and obtain thermal transmission, the structure of panel enables the medium and flows into the gas and carry out the heat transfer of large tracts of land, thereby promotes heat transfer speed, improves the medium temperature after the heat transfer.

Drawings

The present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the middle housing of the present invention;

FIG. 3 is a cross-sectional view of a heat exchanger according to the present invention;

FIG. 4 is a schematic structural view of a U-shaped flow plate of the present invention;

fig. 5 is a schematic view of the structure of the middle baffle plate of the present invention.

In the figure: 100. a housing; 110. a top plate; 120. a first injection pipe; 130. a first outflow pipe; 140. a second injection pipe; 150. a second outflow pipe; 160. a partition plate; 170. a baffle plate; 171. a communication port; 200. a U-shaped flow plate; 210. a communicating hole; 220. a communicating pipe; 230. a cavity port; 300. a baffle plate; 310. and (4) square holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to 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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-5, a gas heat exchanger for producing acid from phosphogypsum comprises a shell 100, a U-shaped flow plate 200 and a baffle plate 300, wherein the top of the shell 100 is fixedly connected with a top plate 110, one end of the top plate 110 along the width direction is fixedly connected with a first injection pipe 120, the first injection pipe 120 is communicated with the interior of the shell 100, the top of the top plate 110 near the first injection pipe 120 is fixedly connected with a second injection pipe 140, the second injection pipe 140 is communicated with the interior of the shell 100, the bottom of the bottom plate of the shell 100 corresponding to the first injection pipe 120 is fixedly connected with a first outflow pipe 130, the first outflow pipe 130 is communicated with the interior of the shell 100, one end of the bottom plate of the shell 100 far away from the first outflow pipe 130 is fixedly connected with a second outflow pipe 150, the second outflow pipe 150 is communicated with the interior of the shell 100, one end of the shell 100 near the, the other end of the partition plate 160 is fixedly connected with a baffle plate 170, eight communication ports 171 are symmetrically formed in the baffle plate 170 about the vertical central plane of the baffle plate, the upper four communication ports 171 are connected with the cavity port 230 of the upper plate of the U-shaped flow plate 200, and the lower four communication ports 171 are connected with the cavity port 230 of the lower plate of the U-shaped flow plate 200;

the U-shaped flow plate 200 is a hollow cavity, and two plate ends of the U-shaped flow plate 200 are both provided with cavity openings 230, the cavity opening 230 is communicated with the corresponding communication opening 171, the U-shaped flow plate 200 is fixedly connected with the baffle plate 170, a plurality of communication holes 210 are arranged on the plate surface of the U-shaped flow plate 200, the communication holes 210 are provided with communication pipes 220, and the connection pipe 220 is fixedly connected with the U-shaped flow plate 200, the connection pipe 220 is provided to connect the inside of the housing 100, enabling the medium to flow inside the housing 100, thereby exchanging heat to the medium to achieve the effect of heat exchange, the upper plate and the lower plate of the U-shaped flow plate 200 are provided with two baffle plates 300, and both ends of the baffle plate 300 are fixedly connected with the casing 100, four square holes 310 are symmetrically formed on the surface of the baffle plate 300 about the vertical central plane of the baffle plate, and the square holes 310 are inserted into and connected with the corresponding U-shaped flow plates 200.

The two ends of the U-shaped flow plate 200 along the length direction are fixedly connected with the inner side wall of the shell 100, and the U-shaped flow plate 200 is mainly fixed in the shell 100 to keep the stability of the plate; the second injection pipe 140 is located between the baffle plate 170 and the baffle plate 300, and the first injection pipe 120 and the first outflow pipe 130 are located between the side plate of the shell 100 and the baffle plate 170, so that the positions of the first injection pipe 120 and the first outflow pipe 130 are limited, input gas can be conveyed into the U-shaped flow plate 200 at the first time, output gas can be discharged at the first time, and the conveying speed is improved.

The distance between the two baffles 300 of the upper plate of the U-shaped flow plate 200 is equal to the distance between the two baffles 300 of the lower plate, and the positions of the baffles 300 of the upper plate and the lower plate are different, so that the U-shaped flow plate 200 is mainly used for changing the flowing direction of a medium, the contact area between the medium and the U-shaped flow plate 200 is increased, and the temperature of the medium is increased; a plurality of bolt holes have all been seted up to the mouth of pipe of filler pipe one 120, outflow pipe one 130, filler pipe two 140 and outflow pipe two 150, and it makes things convenient for the butt joint of pipeline and pipeline to set up the bolt hole, prevents input gas and output gas's the revealing to can lead to heat transfer rate's reduction.

The U-shaped flow plate 200 is made of stainless steel to prevent the plate from rusting due to long-term use, which may reduce the purity of the medium and improve the heat conductivity.

The working principle is as follows: during the use, with the inside of the injection pipe 120 input casing 100, steam through the intercommunication mouth 171 input U type flow plate 200 in the cavity, steam just can be transported in U type flow plate 200, carry to the outflow pipe 130 below baffle 160 all the time, then discharge through outflow pipe 130, pour into the medium into injection pipe two 140 during this period, the medium contacts with the face of U type flow plate 200 by a large scale, thereby can obtain efficient heat transfer, the medium can carry out the change of direction according to baffling board 300 position when flowing in casing 100, thereby the rate of heat transfer has been improved, last medium can be discharged through outflow pipe two 150, the medium temperature of discharging can be improved.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is illustrative and explanatory only, and various modifications, additions and substitutions as described for the specific embodiments described herein may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the invention as defined in the claims.

Claims

1. The gas heat exchanger for preparing acid from phosphogypsum is characterized by comprising a shell (100), a U-shaped flow plate (200) and a baffle plate (300), wherein the top of the shell (100) is fixedly connected with a top plate (110), one end of the top plate (110) along the width direction is fixedly connected with a first injection pipe (120), the first injection pipe (120) is communicated with the interior of the shell (100), the top of the top plate (110) close to the first injection pipe (120) is fixedly connected with a second injection pipe (140), the second injection pipe (140) is communicated with the interior of the shell (100), the bottom of the bottom plate of the shell (100) is fixedly connected with a first outflow pipe (130) corresponding to the first injection pipe (120), the first outflow pipe (130) is communicated with the interior of the shell (100), and one end of the bottom plate of the shell (100) far away from the first outflow pipe (130) is fixedly connected with a second outflow pipe, the second outflow pipe (150) is communicated with the inside of the shell (100), one end of a partition plate (160) is fixedly connected to the center of one side wall of the shell (100) close to the first injection pipe (120) along the width direction, the other end of the partition plate (160) is fixedly connected with a baffle plate (170), and the baffle plate (170) is symmetrically provided with eight communication ports (171) around the vertical central plane of the baffle plate (170);

the U-shaped flowing plate (200) is a hollow cavity, two plate ends of the U-shaped flowing plate (200) are both provided with cavity openings (230), the cavity opening (230) is communicated with the corresponding communication opening (171), the U-shaped flow plate (200) is fixedly connected with the baffle plate (170), the plate surface of the U-shaped flow plate (200) is provided with a plurality of communicating holes (210), the communicating holes (210) are internally provided with communicating pipes (220), the communicating pipe (220) is fixedly connected with the U-shaped flow plate (200), the upper plate and the lower plate of the U-shaped flow plate (200) are both provided with two baffle plates (300), two ends of the baffle plate (300) are fixedly connected with the shell (100), four square holes (310) are symmetrically arranged on the plate surface of the baffle plate (300) relative to the vertical central plane, and the square holes (310) are inserted and connected with the corresponding U-shaped flow plates (200).

2. The gas heat exchanger for phosphogypsum acid-making according to claim 1, wherein two ends of the U-shaped flow plate (200) along the length direction are fixedly connected with the inner side wall of the shell (100).

3. The gas heat exchanger for phosphogypsum acid-making according to claim 1, characterized in that the second injection pipe (140) is positioned between the baffle plate (170) and the baffle plate (300), and the first injection pipe (120) and the first outflow pipe (130) are positioned between the side plate of the shell (100) and the baffle plate (170).

4. The gas heat exchanger for phosphogypsum acid-making according to claim 1, characterized in that the distance between the two baffles (300) of the upper plate of the U-shaped flow plate (200) is equal to the distance between the two baffles (300) of the lower plate, and the positions of the baffles (300) of the upper and lower plates are different.

5. The gas heat exchanger for phosphogypsum acid-making according to claim 1, which is characterized in that a plurality of bolt holes are formed in the pipe openings of the first injection pipe (120), the first outflow pipe (130), the second injection pipe (140) and the second outflow pipe (150).

6. The gas heat exchanger for phosphogypsum acid-making according to claim 1, characterized in that the U-shaped flow plate (200) is made of stainless steel.