CN218763494U

CN218763494U - Smoke white-eliminating heat exchanger

Info

Publication number: CN218763494U
Application number: CN202222635249.2U
Authority: CN
Inventors: 田奎; 戴飞飞
Original assignee: Hannon Suzhou Energy Saving Technology Co ltd
Current assignee: Hannon Suzhou Energy Saving Technology Co ltd
Priority date: 2022-10-08
Filing date: 2022-10-08
Publication date: 2023-03-28
Anticipated expiration: 2032-10-08

Abstract

The utility model discloses a flue gas disappears white heat exchanger, including cooling body, heating mechanism and connecting tube, the connecting tube is connected cooling body with heating mechanism, cooling body keeps away from the one end of connecting tube is provided with the flue gas import, heating mechanism keeps away from the one end of connecting tube is provided with the exhanst gas outlet, and the flue gas can pass through in proper order the flue gas import cooling body the connecting tube heating mechanism with the exhanst gas outlet. Through the arrangement of the cooling mechanism and the heating mechanism, the white smoke is cooled and then heated, and the moisture in the white smoke can be removed efficiently. The cooling water in the cooling mechanism absorbs the heat in the white smoke, the temperature of the cooling water rises, and the cooling water after the temperature rise can be used for heating and bathing, so that the heat is recycled, and the electric energy and the heating are saved to bring economic benefits.

Description

Smoke white-eliminating heat exchanger

Technical Field

The utility model relates to a heat exchanger field. In particular to a smoke white elimination heat exchanger.

Background

White smoke discharged from chimneys of power plants and chemical plants can be mixed with cold air in the environment, the temperature of the white smoke is reduced in the mixing process of the white smoke and the cold air in the environment, water vapor contained in the white smoke is saturated and condensed, and condensed water mist drops refract and scatter light, so that smoke plumes are white or gray, the smoke plumes are called wet smoke plumes and are commonly called large white smoke, and the white smoke elimination refers to the removal of the large white smoke. The source of the big white smoke is moisture, saturated vapor in the smoke is generated by heat absorption and contains a large amount of latent heat, so the key of the smoke whitening is the temperature and humidity control of the discharged smoke. How to efficiently save energy and eliminate white smoke is still the problem to be solved at present.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model aims at providing a smoke white elimination heat exchanger which cools down and heats up the smoke firstly, so as to eliminate the moisture in the smoke and further achieve the purpose of white elimination.

In order to achieve the above purpose, the utility model discloses a technical scheme is: the utility model provides a white heat exchanger of flue gas disappears, includes cooling body, heating mechanism and connecting tube, the connecting tube is connected cooling body with heating mechanism, cooling body keeps away from the one end of connecting tube is provided with the flue gas import, heating mechanism keeps away from the one end of connecting tube is provided with the exhanst gas outlet, and the flue gas can pass through in proper order the flue gas import cooling body the connecting tube heating mechanism with the exhanst gas outlet. The flue gas passes through cooling body, and carries out the heat exchange with the cooling water in the cooling body, reduces the temperature of white cigarette, makes the inside aqueous vapor of white cigarette condense, and then detaches the moisture in the white cigarette, and the cooling water absorbs the heat in the white cigarette simultaneously, and cooling water temperature risees, and the cooling water after the rising temperature can be used to the heating and bathes, realizes the recycle to the heat, can practice thrift the electric energy and bring economic benefits with the heating. When the smoke passes through the heating mechanism, the smoke exchanges heat with steam in the heating mechanism to raise the temperature of the white smoke, further remove moisture in the white smoke and improve the efficiency of eliminating the white smoke.

The utility model discloses a further set up to, the connecting tube is "U" type, the lower extreme of connecting tube is provided with the comdenstion water export. The liquid that the white cigarette produced through the condensation of cooling body flows to the comdenstion water exit along the connecting tube, discharges from the comdenstion water exit, and blowdown that can be fine is removed dust and is collected the comdenstion water.

The utility model discloses a further set up as, cooling body is including cooling casing and the cooling slab of setting in cooling casing inside, the cooling slab is the pillow structure, the cooling slab is provided with a plurality ofly, and is adjacent leave the space between the cooling slab to distance between the adjacent cooling slab equals.

The utility model discloses a further set up to, be provided with first backup pad under the cooling body, first backup pad with cooling body fixed connection, first backup pad is used for supporting and fixing cooling body. And a second supporting plate is arranged under the heating mechanism and fixedly connected with the heating mechanism, and the supporting plate is used for supporting and fixing the heating mechanism.

The utility model discloses a further set up to, the inside cooling channel that is provided with of cooling plate piece, be provided with coolant liquid import and coolant liquid export on the cooling shell, the coolant liquid import with cooling channel's one end is connected, the coolant liquid export with cooling channel's the other end is connected, the coolant liquid inlet sets up the below of coolant liquid export.

The utility model discloses a further set up to, cooling body is provided with a plurality ofly, and is a plurality of cooling body end to end.

The utility model is further provided with that the heating mechanism comprises a heating shell and a heating plate sheet arranged inside the heating shell, a heating channel is arranged inside the heating plate sheet, the heating shell is provided with a steam inlet and a steam outlet, and the steam inlet is connected with one end of the heating channel; the vapor outlet is connected with the other end of the heating channel.

The utility model discloses a further set up as, steam inlet is located the upper end of heating shell (61), steam outlet sets up the lower extreme of heating shell.

The utility model discloses a further set up to, heating mechanism is provided with a plurality ofly, and is a plurality of heating mechanism end to end. The white smoke passes through the plurality of heating mechanisms in sequence, and the heating efficiency is high.

The utility model has the advantages that:

1) Through the arrangement of the cooling mechanism and the heating mechanism, the white smoke is cooled and then heated, and the moisture in the white smoke can be removed efficiently.

2) Cooling water in the cooling mechanism absorbs heat in the white smoke, the temperature of the cooling water rises, the cooling water after the temperature rise can be used for heating and bathing, the heat is recycled, and electric energy and heating can be saved to bring economic benefits.

3) Through be provided with the comdenstion water export at the least significant end of connecting tube, the liquid that the white cigarette produced through the condensation of cooling body trickles to the comdenstion water exit along connecting tube, discharges from the comdenstion water exit, and blowdown that can be fine is removed dust and is collected the comdenstion water.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a perspective view of a flue gas white elimination heat exchanger according to an embodiment of the present invention;

fig. 2 is a front view of a flue gas white elimination heat exchanger according to an embodiment of the present invention;

fig. 3 is a cross-sectional view of a flue gas whitening heat exchanger according to an embodiment of the present invention.

In the figure: 1. a flue gas inlet; 2. a cooling mechanism; 21. cooling the housing; 211. reinforcing ribs; 22. a coolant inlet; 23. a coolant outlet; 24. cooling the plate; 3. a first support plate; 4. connecting a pipeline; 41. a condensed water outlet; 5. a second support plate; 6. a heating mechanism; 61. heating the housing; 62. a vapor inlet; 63. a vapor outlet; 64. heating the plate; 7. and a smoke outlet.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

Referring to fig. 1-3, the smoke white elimination heat exchanger in the embodiment includes a cooling mechanism 2, a heating mechanism 6 and a connecting pipe 4, the connecting pipe 4 connects the cooling mechanism 2 and the heating mechanism 6, white smoke firstly enters the cooling mechanism 2 for cooling, water vapor in the white smoke is condensed, then the white smoke enters the heating mechanism 6 through the connecting pipe 4, and the white smoke is heated by the heating mechanism 6 to remove residual water vapor in the white smoke. So as to achieve the purpose of eliminating the moisture in the white smoke.

In some embodiments, the cooling mechanism 2 includes a cooling housing 21 and a cooling plate 24 disposed inside the cooling housing 21, and the cooling housing 21 is provided with a stiffener 211 on the outside to improve the firmness of the cooling housing 21. The cooling plate 24 is of a pillow-shaped structure, the surface of the cooling plate is smooth and is not easy to stick dust or solid particles in smoke, the cooling plate 24 is provided with a plurality of cooling plates, and the cooling plates 24 are vertically arranged and are arranged in an annular mode at certain intervals. Gaps are left between adjacent cooling plates 24, and the distances between adjacent cooling plates 24 are equal. The number of the cooling plates 24 can meet the requirements of different conditions of flue gas by changing the number and the gaps of the cooling plates 24 according to the working condition requirements, and the distance between the cooling plates 24 can be adjusted to prevent the cooling mechanism from being blocked if dust particles in the flue gas are large. The end of the cooling mechanism 2 far away from the connecting pipeline 4 is provided with a flue gas inlet 1, and flue gas enters the inside of the cooling shell 21 from the flue gas inlet 1 and then passes through the external gap of the cooling plate 24. The lower extreme of cooling casing 21 is provided with first backup pad 3, first backup pad 3 with cooling casing 21 fixed connection, first backup pad 3 is used for supporting and fixing cooling body 2.

In some embodiments, the cooling plate 24 is provided with a cooling channel inside, the cooling housing 21 is provided with a cooling fluid inlet 22 and a cooling fluid outlet 23, the cooling fluid inlet 22 is located near the lower end of the cooling housing 21, and the cooling fluid inlet 22 is connected with one end of the cooling channel; the cooling liquid outlet 23 is provided at a position near the upper end of the cooling housing 21, and the cooling liquid outlet 23 is connected to the other end of the cooling passage. In operation, coolant enters the cooling channels of the cooling plates 24 through the coolant inlet 22 and then flows along the cooling channels in the direction of the coolant outlet 23 at the upper end of the cooling housing 21. During the flowing process, heat exchange is carried out between the white smoke and the gap of the external cooling plate 24, the temperature of the white smoke is reduced, moisture in the white smoke is condensed, and moisture in the white smoke is removed. Inside cooling body 2, the coolant liquid from the bottom up moves, and the white cigarette from the top down moves, and coolant liquid and white cigarette exchange the heat against the current, and heat exchange efficiency is high. The coolant liquid is the cooling water, and the cooling water carries out heat exchange through cooling body 2 and white cigarette, and the cooling water temperature risees, and the cooling water after the rising temperature can be used to the heating and bathes, realizes the recycle to the heat, can practice thrift the electric energy and bring economic benefits with the heating.

In some embodiments, in order to increase the cooling effect of the cooling mechanism 2, the cooling mechanism 2 is provided in plurality, and a plurality of the cooling mechanisms 2 are connected end to end. The white smoke passes through the plurality of cooling mechanisms 2 in sequence, and the cooling efficiency is high. In this embodiment, two cooling mechanisms 2 are provided, and the number of the cooling mechanisms 2 can be increased as needed in the actual operation process.

In some embodiments, the connecting pipe 4 is U-shaped, a condensed water outlet 41 is arranged at the lowest end of the connecting pipe 4, and the liquid condensed by the white smoke passing through the cooling mechanism 2 flows to the condensed water outlet 41 along the connecting pipe 4 and is discharged from the condensed water outlet 41, so that pollution discharge, dust removal and condensed water collection can be well performed.

In some embodiments, the heating mechanism 6 includes a heating housing 61 and a heating plate 64 disposed inside the heating housing 61, the heating plate 64 is a pillow-shaped structure, the surface of the heating plate 64 is smooth and is not easy to stick dust or solid particles in the flue gas, the heating plate 64 is provided with a plurality of heating plates 64, and the plurality of heating plates 64 are vertically disposed and annularly arranged at certain intervals. A gap is left between adjacent heating plates 64, and the distances between adjacent heating plates 64 are equal. And a smoke outlet 7 is arranged at one end of the heating mechanism 6, which is far away from the connecting pipeline 4, smoke enters the heating shell 61 from the connecting pipeline 4, then passes through the external gap of the heating plate 64, and finally is discharged through the smoke outlet 7. The lower extreme of heating shell 61 is provided with second backup pad 5, second backup pad 5 with heating shell 61 fixed connection, the backup pad is used for supporting and fixing heating mechanism 6.

In some embodiments, the heating plate 64 is internally provided with a heating channel, the heating shell 61 is provided with a steam inlet 62 and a steam outlet 63, the steam inlet 62 is located at the upper end of the heating shell 61, and the steam inlet 62 is connected with one end of the heating channel; the vapor outlet 63 is provided at the lower end of the heating casing 61, and the vapor outlet 63 is connected to the other end of the heating passage. In operation, steam enters the heating channels of the heating plate 64 through the steam inlet 62 and then flows along the heating channels in a direction towards the steam outlet 63 at the lower end of the heating housing 61. During the flow, heat exchange occurs with the white smoke between the gaps of the external heating sheets 64, raising the temperature of the white smoke and removing moisture from the white smoke. In the heating mechanism 6, steam moves from top to bottom, white smoke moves from bottom to top, and the steam and the white smoke exchange heat in a countercurrent mode, so that the heat exchange efficiency is high.

In some embodiments, in order to increase the heating effect of the heating mechanism 6, the heating mechanism 6 is provided in a plurality, and the heating mechanisms 6 are connected end to end. The white smoke passes through the plurality of heating mechanisms 6 in sequence, and the heating efficiency is high. In this embodiment, two heating mechanisms 6 are provided, and in the actual application process, the number of the heating mechanisms 6 can be increased as required.

The working process is as follows: the cooling fluid enters the cooling channels of the cooling plate 24 through the cooling fluid inlet 22 and then flows along the cooling channels in the direction of the cooling fluid outlet 23 at the upper end of the cooling housing 21. During the flowing process, heat exchange is carried out between the white smoke and the gap of the external cooling plate 24, the temperature of the white smoke is reduced, moisture in the white smoke is condensed, and moisture in the white smoke is removed. The liquid condensed by the cooling mechanism 2 flows to the condensed water outlet 41 along the connecting pipeline 4, and is discharged from the condensed water outlet 41. The white smoke enters the heating mechanism 6 along the connecting pipe 4, and the steam enters the heating channel of the heating plate 64 through the steam inlet 62 and then flows along the heating channel to the direction of the steam outlet 63 at the lower end of the heating shell 61. During the flow, heat exchange takes place with the white smoke located in the gap between the heating plates 64, raising the temperature of the white smoke, removing moisture from the white smoke, and finally the white smoke is discharged from the smoke outlet 7.

In the description of the present invention, it is to be understood that the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to imply that the number of indicated technical features is significant. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the above embodiments is to let the person skilled in the art understand the contents of the present invention and implement the present invention, which can not limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.

Claims

1. The utility model provides a flue gas disappears and gives up heat exchanger, its characterized in that, includes cooling body (2), heating body (6) and connecting tube (4), connecting tube (4) are connected cooling body (2) with heating body (6), cooling body (2) are kept away from the one end of connecting tube (4) is provided with flue gas inlet (1), heating body (6) are kept away from the one end of connecting tube (4) is provided with exhanst gas outlet (7), and the flue gas can pass through in proper order flue gas inlet (1) cooling body (2) connecting tube (4) heating body (6) with exhanst gas outlet (7).

2. The flue gas whitening heat exchanger according to claim 1, characterized in that the connecting pipe (4) is U-shaped, and the lowest end of the connecting pipe (4) is provided with a condensed water outlet (41).

3. The flue gas whitening heat exchanger according to claim 1, characterized in that the cooling mechanism (2) comprises a cooling housing (21) and cooling plates (24) arranged inside the cooling housing (21), the cooling plates (24) are in a pillow-shaped structure, the number of the cooling plates (24) is multiple, a gap is left between adjacent cooling plates (24), and the distance between adjacent cooling plates (24) is equal.

4. The heat exchanger according to claim 1, wherein a first support plate (3) is arranged right below the cooling mechanism (2), the first support plate (3) is fixedly connected with the cooling mechanism (2), a second support plate (5) is arranged right below the heating mechanism (6), and the second support plate (5) is fixedly connected with the heating mechanism (6).

5. The flue gas whitening heat exchanger according to claim 3, characterized in that the cooling plate (24) is internally provided with a cooling channel, the cooling shell (21) is provided with a cooling liquid inlet (22) and a cooling liquid outlet (23), the cooling liquid inlet (22) is connected with one end of the cooling channel, the cooling liquid outlet (23) is connected with the other end of the cooling channel, and the cooling liquid inlet (22) is arranged below the cooling liquid outlet (23).

6. The flue gas whitening heat exchanger according to claim 1, characterized in that a plurality of cooling mechanisms (2) are arranged, and the plurality of cooling mechanisms (2) are connected end to end.

7. The flue gas whitening heat exchanger according to claim 1, characterized in that the heating mechanism (6) comprises a heating shell (61) and a heating plate (64) arranged inside the heating shell (61), a heating channel is arranged inside the heating plate (64), a steam inlet (62) and a steam outlet (63) are arranged on the heating shell (61), and the steam inlet (62) is connected with one end of the heating channel; the vapor outlet (63) is connected to the other end of the heating channel.

8. A flue gas whitening heat exchanger according to claim 7, characterized in that the vapor inlet (62) is located at an upper end of the heating housing (61) and the vapor outlet (63) is provided at a lower end of the heating housing (61).

9. The flue gas whitening heat exchanger according to any of the claims 1 to 8, characterized in that a plurality of heating mechanisms (6) are provided, and the plurality of heating mechanisms (6) are connected end to end.