CN211204997U

CN211204997U - Spiral plate type heat exchanger

Info

Publication number: CN211204997U
Application number: CN201922082653.XU
Authority: CN
Inventors: 李晓宇; 谢广健; 张建民; 张楷; 廖晓光; 周明贤; 孙志云; 王建峰
Original assignee: Hebei North China Pharmaceutical Huaheng Pharmaceutical Co ltd
Current assignee: Hebei North China Pharmaceutical Huaheng Pharmaceutical Co ltd
Priority date: 2019-11-27
Filing date: 2019-11-27
Publication date: 2020-08-07
Anticipated expiration: 2029-11-27

Abstract

The utility model provides a spiral plate type heat exchanger belongs to heat exchanger technical field, including the barrel, set up in the barrel inside and roll up the system by two parallel arrangement's heat transfer base plate and form, and mutually different first passageway and second passageway, cold medium import, cold medium export, hot medium import and hot medium export, the second passageway is the hot medium passageway, and the cold medium export sets up in the bottom of barrel lateral wall, and is linked together with first passageway for the cold medium after the heat transfer is derived. The spiral plate type heat exchanger also comprises a spiral guide plate, wherein the spiral guide plate is arranged in the first channel and forms a cold medium channel with the first channel, and the cold medium channel is used for leading out cold medium from the cold medium outlet under the action of self gravity. The utility model provides a spiral plate heat exchanger has changed the cold medium exit position, and has set up the spiral guide plate in first passageway, can effectually avoid long-pending phenomenon of expecting, can also strengthen the heat transfer effect simultaneously, simple structure, and the practicality is strong.

Description

Spiral plate type heat exchanger

Technical Field

The utility model belongs to the technical field of the heat exchanger, more specifically say, relate to a spiral plate heat exchanger.

Background

The spiral plate type heat exchanger is a high-efficiency heat exchanger device, has the characteristics of high heat transfer efficiency, compact structure and simple manufacture, and is widely used for mutual heat transfer among steam, liquid and liquid.

Among the prior art, the cold medium export among the spiral plate heat exchanger generally sets up on the lateral wall of heat exchanger, and in order to strengthen the heat transfer effect, all sets up the well upper portion position at the heat exchanger lateral wall to guarantee that the cold medium is after flowing into the heat exchanger, can delay and derive after a period, strengthen the heat transfer effect through the mode of increase heat transfer area. However, a certain distance exists between the cold medium outlet and the bottom of the heat exchanger, and the cold medium in the space where the distance exists cannot be discharged at the cold medium outlet, so that the phenomenon of material accumulation occurs, and the heat exchange effect is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a spiral plate heat exchanger aims at solving the poor problem of heat transfer effect that current spiral plate heat exchanger leads to because of long-pending material.

In order to achieve the above object, the utility model adopts the following technical scheme: the spiral plate type heat exchanger comprises a cylinder body, a first channel, a second channel, a cold medium inlet, a cold medium outlet, a hot medium inlet and a hot medium outlet, wherein the first channel and the second channel are arranged in the cylinder body, the first channel and the second channel are formed by rolling two heat transfer base plates which are arranged in parallel and are not communicated with each other, and the cold medium outlet is arranged at the bottom of the side wall of the cylinder body, is communicated with the first channel and is used for leading out cold medium after heat exchange; the spiral plate type heat exchanger also comprises a spiral guide plate, the spiral guide plate is arranged in the first channel and spirally arranged from top to bottom along the center of the first channel to the divergence of the edge, the spiral guide plate divides the first channel into two parallel spiral sub-channels which are arranged up and down, the spiral sub-channel positioned above the spiral guide plate is a cold medium channel for cold medium transmission, the cold medium channel is in a spiral structure from top to bottom, the radius of the cold medium channel is gradually increased, and the cold medium channel is also used for increasing the transmission length of the cold medium in the first channel and leading the cold medium out from the cold medium outlet under the action of the gravity of the cold medium channel;

the second channel is a heat medium channel and is used for heat medium transmission; the cold medium inlet and the cold medium outlet are respectively communicated with the cold medium channel, and the hot medium inlet and the hot medium outlet are respectively communicated with the hot medium channel.

As another embodiment of the present application, the cold medium inlet is disposed at the bottom of the cylinder, and is communicated with a central position of the cold medium channel, so that the cold medium enters the cold medium channel;

the heat medium inlet is arranged at the bottom of the side wall of the cylinder, is communicated with the heat medium channel and is used for allowing heat medium to enter the heat medium channel, and the heat medium outlet is arranged at the top of the side wall of the cylinder, is communicated with the center of the heat medium channel and is used for leading out the heat medium in the heat medium channel.

As another embodiment of the present application, the spiral plate heat exchanger further includes a sealing plate, and one end of the sealing plate is connected to the top end of the spiral guide plate and the bottom of the cylinder body in the first channel between the spiral guide plate and the cold medium inlet along the axis of the cylinder body, and the sealing plate surrounds the center of the cold medium channel to form a semicircular channel for the cold medium to flow from the cold medium inlet to the cold medium channel from bottom to top.

As another embodiment of the present application, the spiral sub-passage located below the spiral baffle communicates with the heat medium passage.

As another embodiment of the present application, the two heat transfer substrates are a first heat transfer substrate and a second heat transfer substrate, respectively;

the first heat transfer substrate is provided with a bending structure for increasing the heat exchange area between the cold medium channel and the heat medium channel.

As another embodiment of the application, the spiral plate heat exchanger further comprises a support for supporting arranged at the lower end of the cylinder body.

As another embodiment of the present application, a first baffle is disposed between the cylinder and the cold medium channel, and is used for preventing the cold medium from entering between the outermost ring of the hot medium channel and the inner wall of the cylinder;

and the cylinder and the heat medium channel are provided with a second baffle plate for preventing the heat medium from entering between the outermost ring of the cold medium channel and the inner wall of the cylinder.

The utility model provides a spiral plate heat exchanger's beneficial effect lies in: compared with the prior art, the utility model discloses spiral plate heat exchanger includes the barrel, sets up the exit and the hot medium of first passageway and second passageway, cold medium in the barrel and imports and exports, and wherein, cold medium flows in first passageway, and hot medium flows in the second passageway, can carry out the heat exchange to cold and hot fluid through the mode of spiral. The cold medium outlet is located the bottom of barrel lateral wall, can guarantee that the fluid in the first passageway all flows out, and the cold medium can not take place the condition of detaining in the barrel, can effectually prevent the emergence of long-pending material problem. Be equipped with the spiral guide plate in the first passageway, the spiral guide plate sets up along the spiral direction of first passageway, the spiral guide plate can enclose into a spiral downwardly directed and radius gradual increase's cold medium passageway with two heat transfer base plates, provide the carrier of a slant landing for the cold medium, guarantee that the cold medium can lean on the potential energy that self possessed to export along spiral guide plate landing to barrel bottom and with the cold medium and derive, the spiral guide plate also can prolong the transmission length of cold medium in the first passageway in addition, and then reinforcing heat transfer effect. The utility model discloses spiral plate heat exchanger has changed the cold medium exit position, and has set up the spiral guide plate in first passageway, can effectually avoid long-pending phenomenon of expecting, can also strengthen the heat transfer effect simultaneously, simple structure, and the practicality is strong.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions 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 schematic structural diagram of a spiral plate heat exchanger according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view taken at A-A of the spiral plate heat exchanger shown in FIG. 1;

fig. 3 is a front view structural full-section view of a spiral plate heat exchanger according to an embodiment of the present invention;

fig. 4 is a top structural sectional view of a first heat transfer substrate of a spiral plate heat exchanger according to an embodiment of the present invention;

fig. 5 is a schematic view of a spiral flow deflector of a spiral plate heat exchanger according to an embodiment of the present invention;

fig. 6 is an expanded view of a spiral flow guide plate and a first heat transfer substrate of a spiral plate heat exchanger according to an embodiment of the present invention;

in the figure: 10. a barrel; 20. a first channel; 21. a first heat transfer substrate; 22. a cold medium channel; 30. a second channel; 31. a second heat transfer substrate; 40. a cold medium outlet; 41. a cold medium inlet; 50. a thermal medium outlet; 51. a thermal medium inlet; 60. a spiral deflector; 61. a sealing plate; 70. a first baffle plate; 80. a second baffle.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to fig. 6, a spiral plate heat exchanger according to the present invention will now be described. The spiral plate type heat exchanger comprises a cylinder body 10, wherein the spiral plate type heat exchanger is arranged inside the cylinder body 10 and is formed by rolling two heat transfer base plates which are arranged in parallel, the first channel 20 and the second channel 30 which are different from each other, a cold medium inlet 41, a cold medium outlet 40, a hot medium inlet 51 and a hot medium outlet 50 are arranged on the bottom of the side wall of the cylinder body 10, the cold medium outlet 40 is communicated with the first channel 20, and the cold medium outlet is used for leading out cold medium after heat exchange. The embodiment of the utility model provides a spiral plate heat exchanger still includes spiral guide plate 60, spiral guide plate 60 sets up in first passageway 20, and from the center department of first passageway 20 to the top-down spiral setting of edge, spiral guide plate 60's setting can separate first passageway 20 for two parallel spiral subchannels that set up from top to bottom, the spiral subchannel that is located upper portion and the spiral subchannel that is located the lower part do not switch on each other, the spiral subchannel that is located upper portion is cold medium passageway 22, enclose with spiral guide plate 60 by two heat transfer base plates, cold medium passageway 22 top-down is spiral shape and radius crescent, a transmission length for increasing cold medium in first passageway 20 makes the cold medium lean on self action of gravity whole to derive in cold medium export 40. The cold medium inlet 41 and the cold medium outlet 40 are respectively communicated with the cold medium channel 22, and the hot medium inlet 51 and the hot medium outlet 50 are respectively communicated with the hot medium channel.

The utility model provides a spiral plate heat exchanger, the theory of use is: after the second channel 30 is filled with the heat medium, the cold medium inlet 41 fills the cold medium channel 22 with the cold medium; the cooling medium can slide down to the bottom of the cylinder 10 along the spiral guide plate 60 and directly lead out at the cooling medium outlet 40.

The utility model provides a spiral plate heat exchanger, compared with the prior art, the utility model discloses spiral plate heat exchanger includes barrel 10, sets up first passageway 20 and second passageway 30 in barrel 10, the exit and the hot medium of cold medium import and export, and wherein, the cold medium flows in first passageway 20, and the hot medium flows in second passageway 30, can carry out the heat exchange to cold and hot fluid through the mode of spiral. The cold medium outlet 40 is located at the bottom of the side wall of the cylinder 10, so that the fluid in the first channel 20 can be ensured to flow out completely, the cold medium cannot be retained in the cylinder 10, and the problem of material accumulation can be effectively prevented. Be equipped with spiral guide plate 60 in first passageway 20, spiral guide plate 60 sets up along the spiral direction of first passageway 20, spiral guide plate 60 can enclose into a spiral downwardly directed and radius crescent cold medium passageway 22 with two heat transfer base plates, provide the carrier of an inclined landing for the cold medium, guarantee that the cold medium can lean on the potential energy that self possesses to slide to barrel 10 bottom and export with cold medium export 40 along spiral guide plate 60, spiral guide plate 60 also can prolong the transmission length of cold medium in first passageway 20 in addition, and then reinforcing heat transfer effect. In addition, the spiral guide plate 60 can support and limit the two heat transfer substrates arranged in parallel, so that the heat transfer substrates are prevented from being deformed under the action of pressure. The utility model discloses spiral plate heat exchanger has changed 40 positions in the cold medium export, and has set up spiral guide plate 60 in first passageway 20, can effectually avoid long-pending phenomenon of material, can also strengthen the heat transfer effect simultaneously, simple structure, and the practicality is strong.

As a specific implementation manner of the spiral plate heat exchanger, please refer to fig. 1 to 6 together, the cold medium inlet 41 is disposed on the bottom of the cylinder 10, and is communicated with the cold medium channel 22 at the central position of the first channel 20, so as to ensure that the cold medium enters the cold medium channel 22 at the bottom of the cylinder 10, and this kind of entering manner can ensure that the cold medium enters the cold medium channel 22 gently, and can enhance the heat exchange effect to a certain extent. The hot medium inlet 51 is arranged at the bottom of the side wall of the cylinder 10, and the position of the cold medium outlet 40 is located on the same horizontal plane, and the positions are opposite, the hot medium inlet 51 is communicated with the second channel 30, so that the hot medium can enter the second channel 30 conveniently, the hot medium outlet 50 is arranged at the top of the side wall of the cylinder 10, and is communicated with the center of the second channel 30, so that the hot medium can be led out in the second channel 30 conveniently, the hot medium flows into the bottom of the cylinder 10, flows out from the top, and can be ensured to be full of the whole second channel 30, and the heat exchange effect is further enhanced. In addition, this configuration also facilitates reverse cleaning of the second channel 30.

In this embodiment, the heat medium is transported from the outer edge to the central position along the second channel 30, and the cold medium is transported from the center to the outer edge along the first channel 20, so as to ensure the best heat exchange effect.

As a specific implementation manner of the spiral plate heat exchanger provided by the embodiment of the present invention, please refer to fig. 1 to fig. 6 together, the spiral plate heat exchanger further includes a sealing plate 61, which is disposed in the first channel 20 between the spiral guide plate 60 and the cold medium inlet 41 along the axis of the cylinder 10, one end of which is connected to the top end of the spiral guide plate 60, and one end of which is connected to the bottom of the cylinder 10, and is enclosed with the center of the cold medium channel 22 to form a semicircular channel for the cold medium to flow from the cold medium inlet 41 to the cold medium channel 22 from bottom to top. The top of the spiral guide plate 60 is spaced from the top of the cylinder 10 to form an open space for the cooling medium to flow into the spiral guide plate 60. After entering the semicircular channel through the cold medium inlet 41, the cold medium rises to the normally open position between the top end of the spiral flow guide plate 60 and the top of the cylinder 10 along the semicircular channel formed by the sealing plate 61 and the first channel 20, and then falls down by the spiral flow guide plate 60. This kind of structure guarantees that the cold medium begins to preheat promptly at the ascending section, still carries out heat transfer work when spiral guide plate 60 is gliding afterwards, can guarantee the heat transfer effect. Moreover, the structure can effectively avoid the phenomenon of material accumulation, ensure the cleanness of the inside of the cold medium channel 22 and further enhance the heat exchange effect.

As a specific implementation manner of the spiral plate heat exchanger provided in the embodiment of the present invention, please refer to fig. 1 to 6 together, and the spiral sub-channel located below the spiral flow guide plate 60 is communicated with the heat medium channel. The spiral subchannel of spiral guide plate 60 below is hollow structure promptly, with this department and second passageway 30 intercommunication, can guarantee that spiral guide plate 60 below also is the hot medium, and then when guaranteeing that the cold medium flows, left right direction and direction down are the hot medium, can strengthen the heat transfer effect.

It should be noted that the first channel 20 and the second channel 30 are connected to each other in such a manner that a portion of a heat transfer substrate located below the spiral flow guide plate 60 is partially removed.

As a specific implementation manner of the spiral plate heat exchanger provided in the embodiment of the present invention, please refer to fig. 1 to 6, the two heat transfer substrates are the first heat transfer substrate 21 and the second heat transfer substrate 31, respectively. Wherein, first heat transfer base plate 21 is equipped with the structure of buckling, and the circular arc face of first heat transfer base plate 21 spiral changes the broken line type arcwall face promptly, and the heat transfer area between first passageway 20 and second passageway 30 can be increased to this kind of structure.

As an embodiment of the present invention, please refer to fig. 1 to 6 together, the spiral plate heat exchanger further includes a support, which is disposed at the lower end of the cylinder 10, and the support can ensure the stability of the cylinder 10, and is convenient for placing the cooling medium inlet 41 below the cylinder 10.

As a specific implementation manner of the spiral plate heat exchanger provided in the embodiment of the present invention, please refer to fig. 1 to fig. 6, a first baffle 70 is disposed between the cylinder 10 and the first channel 20, and can prevent the cold medium from entering between the inner wall of the cylinder 10 and the second channel 30 (heat medium channel) at the outermost edge. The cylinder 10 and the second passage 30 are provided with a second baffle 80 capable of blocking the hot medium from entering between the inner wall of the cylinder 10 and the cold medium passage 22 at the outermost edge. The arrangement of the first baffle 70 and the second baffle 80 can ensure that a space is formed between the inner wall of the barrel 10 and the first channel 20 or the second channel 30, certain heat preservation can be carried out on heat, and meanwhile, workers can not be scalded due to overheating on the outer side wall of the barrel 10.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The spiral plate type heat exchanger comprises a cylinder body, a first channel, a second channel, a cold medium inlet, a cold medium outlet, a hot medium inlet and a hot medium outlet, wherein the first channel and the second channel are arranged in the cylinder body; the spiral plate type heat exchanger also comprises a spiral guide plate, the spiral guide plate is arranged in the first channel and spirally arranged from top to bottom along the center of the first channel to the divergence of the edge, the spiral guide plate divides the first channel into two parallel spiral sub-channels which are arranged up and down, the spiral sub-channel positioned above the spiral guide plate is a cold medium channel for cold medium transmission, the cold medium channel is in a spiral structure from top to bottom, the radius of the cold medium channel is gradually increased, and the cold medium channel is also used for increasing the transmission length of the cold medium in the first channel and leading the cold medium out from the cold medium outlet under the action of the gravity of the cold medium channel;

2. The spiral plate heat exchanger as claimed in claim 1, wherein the cold medium inlet is provided at the bottom of the cylinder and communicates with a central position of the cold medium channel for the cold medium to enter into the cold medium channel;

3. The spiral plate heat exchanger as claimed in claim 2, further comprising a sealing plate disposed in the first channel between the spiral baffle and the coolant inlet along the axis of the cylinder, one end of the sealing plate being connected to the top end of the spiral baffle and the other end being connected to the bottom of the cylinder, and enclosing the center of the coolant channel to form a semicircular channel for the coolant to flow from the coolant inlet to the coolant channel from bottom to top.

4. A spiral plate heat exchanger according to claim 3 wherein the spiral sub-passage below the spiral baffle communicates with the thermal medium passage.

5. A spiral plate heat exchanger according to any of claims 1-4, wherein the two heat transfer substrates are a first heat transfer substrate and a second heat transfer substrate, respectively;

6. A spiral plate heat exchanger according to any of claims 1-4, wherein the spiral plate heat exchanger further comprises a support for support at the lower end of the cylinder.

7. A spiral plate heat exchanger according to any one of claims 1 to 4, wherein a first baffle is arranged between the cylinder and the cold medium channel for preventing the cold medium from entering between the outermost circle of the hot medium channel and the inner wall of the cylinder;