CN210321347U

CN210321347U - Spiral plate type heat exchanger

Info

Publication number: CN210321347U
Application number: CN201921189365.8U
Authority: CN
Inventors: 肖琦
Original assignee: Wuxi Zhongfan Industrial Equipment Co Ltd
Current assignee: Wuxi Zhongfan Industrial Equipment Co Ltd
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2020-04-14
Anticipated expiration: 2029-07-25

Abstract

The utility model relates to a spiral plate heat exchanger uses in the chemical industry equipment field, and its technical scheme main points are: contain the jar body that constitutes by gaseous helical coiled passage and liquid helical coiled passage, be equipped with upper cover plate and lower apron on the jar body respectively, be equipped with the steam inlet that is linked together with gaseous helical coiled passage on the upper cover plate, be equipped with the oil import that is linked together with liquid helical coiled passage on the lower apron, be equipped with the oil export that is linked together with liquid helical coiled passage on the outer wall of the jar body respectively and the steam outlet that is linked together with gaseous helical coiled passage, still be equipped with the row that is linked together with gaseous helical coiled passage on the outer wall of the jar body and congeal the mouth, it is equipped with first valve on congealing the mouth to arrange, highly being less than steam outlet's height: the condensate discharging port can discharge condensate water generated in the heat exchange process, and the influence of the condensate water on the temperature of high-temperature steam is reduced, so that the overall efficiency of heat exchange is improved.

Description

Spiral plate type heat exchanger

Technical Field

The utility model belongs to the technical field of chemical industry equipment's technique and specifically relates to a spiral plate heat exchanger is related to.

Background

The spiral plate type heat exchanger is a novel heat exchanger which is formed by rolling two plates to form two uniform spiral channels, two heat transfer media can flow in a full countercurrent mode, the heat transfer efficiency is good, the operation stability is high, and the spiral plate type heat exchanger is suitable for industries such as chemistry, petroleum, solvents, medicines, food, light industry, textile, metallurgy, steel rolling, coking and the like.

Notice No. CN202614065U discloses a spiral plate heat exchanger, has the heat exchanger body of back shaft including support and outer wall, is equipped with the guide rail of vertical arrangement on the support, and sliding fit has the lift seat on the guide rail, and the back shaft passes through the bearing and installs on this lift seat. Spiral plate heat exchanger is when using high temperature steam to carry out the heat exchange to oil, can produce the comdenstion water in the passageway that high temperature steam belongs to, and too much comdenstion water is piled up and can be leaded to high temperature steam to absorb partly heat by the comdenstion water in the passageway, leads to high temperature steam's temperature to reduce, and this spiral plate heat exchanger is difficult to discharge the comdenstion water that the heat exchange in-process produced, and the efficiency of heat exchange is lower.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a spiral plate heat exchanger, its advantage is: the condensed water generated in the heat exchange process can be discharged, and the influence of the condensed water on the temperature of high-temperature steam is reduced, so that the overall efficiency of heat exchange is improved.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a spiral plate heat exchanger, contains the jar body that constitutes by gaseous helical coiled passage and liquid helical coiled passage, be equipped with upper cover plate and lower apron on the jar body respectively, be equipped with the steam inlet that is linked together with gaseous helical coiled passage on the upper cover plate, be equipped with the oil import that is linked together with liquid helical coiled passage on the lower apron, be equipped with the oil export that is linked together with liquid helical coiled passage and the steam outlet that is linked together with gaseous helical coiled passage on the outer wall of the jar body respectively, still be equipped with the row who is linked together with gaseous helical coiled passage on the outer wall of the jar body and congeal the mouth, it is equipped with first valve on the row congeals the mouth, the height that highly is less.

Through the technical scheme, a worker can input high-temperature steam into the gas spiral channel through the steam inlet and input oil into the liquid spiral channel through the oil inlet, after the high-temperature steam and the oil exchange heat in the tank body, the high-temperature steam with the reduced temperature is discharged from the steam outlet, and the oil heated by the high-temperature steam is discharged from the oil outlet; high temperature steam and oil are in the heat exchange process, and the bottom at the jar body can be piled up to the comdenstion water that produces in the gas spiral passage by self gravity influence, and the staff can regularly make the comdenstion water discharge from arranging the mouth of condensing through the mode of opening first valve, has reduced the influence of comdenstion water to high temperature steam temperature in the gas spiral passage to the overall efficiency of heat exchange has been improved.

The utility model discloses further set up to: the drainage and condensation port is provided with a liquid collecting box communicated with the drainage and condensation port, the liquid collecting box is provided with a drain pipe, and the first valve is positioned on the drain pipe.

Through the technical scheme, the condensed water accumulated at the bottom of the tank body in the gas spiral channel under the influence of self gravity can be discharged from the tank body along the condensate discharging port and flows into the liquid collecting tank, and a worker can open the first valve on the drain pipe of the liquid collecting tank at regular intervals to discharge the condensed water in the liquid collecting tank; the comdenstion water can be along arranging the jar body of in time discharging of condensing mouthful, can not form in the bottom of the jar body and pile up, has further reduced the influence of comdenstion water to high temperature steam temperature in the gas helical passage, has improved the overall efficiency of heat exchange.

The utility model discloses further set up to: the outer wall of the tank body is also provided with a drain outlet communicated with the liquid spiral channel, the height of the drain outlet is lower than that of the oil outlet, and the drain outlet is provided with a second valve.

Through the technical scheme, during the heat exchange is carried out to oil in liquid spiral passage, partial impurity in the oil receives self gravity to influence the bottom that can deposit the jar body, the staff can open the second valve on the drain, make the oil of jar body bottom can take the impurity of piling up in jar body bottom to discharge from the drain, thereby play and carry out the effect of clearing up liquid spiral passage inside, it is more to have reduced the impurity of piling up in liquid spiral passage inside, lead to oil in liquid spiral passage unsmooth possibility of flow.

The utility model discloses further set up to: an oil receiving tank is placed below the sewage draining outlet, a sinking groove is formed in the tank opening of the oil receiving tank, a filter screen plate is erected in the sinking groove, and a handle partially extending out of the oil receiving tank is arranged on the filter screen plate.

According to the technical scheme, the oil flowing out of the sewage draining outlet can uniformly fall into the oil receiving box, impurities in the oil can be filtered by the filter screen plate, the impurities are accumulated on the filter screen plate, the filtered oil is accumulated at the bottom of the oil receiving box, and the filter screen plate has the effect of separating the oil from the impurities; the staff can regularly grasp the handle with the hand and take out filter plate from connecing in the oil box to the staff can clear up filter plate.

The utility model discloses further set up to: the oil receiving tank is communicated with the oil inlet through a communicating pipe, an oil well pump is arranged on the communicating pipe, and the communicating pipe is located below the filter screen plate.

Through above-mentioned technical scheme, the staff can start the oil-well pump, will connect the interior oil pump after filtering of oil box to take out oil import department, then get into and carry out the heat exchange in the liquid helical passage to realized the effect with discharge oil cyclic utilization in the blowdown, reduced extravagantly.

The utility model discloses further set up to: the outer wall of the tank body is also provided with a vent communicated with the liquid spiral channel, and the height of the vent is higher than that of the oil outlet.

Through above-mentioned technical scheme, the drain is located the top of oil export for oil can be followed drain discharge liquid helical passage in the gas that the heating in-process produced, and oil receives self gravity to influence and can discharge along oil export, and oil and gas separation have played the effect of carrying out the purification to oil, have reduced the gas content in the oil of following oil export output.

The utility model discloses further set up to: a plurality of reinforcing rods are arranged inside the liquid spiral channel, and two ends of the reinforcing rods are respectively connected to the inner walls of two sides of the liquid spiral channel.

Through the technical scheme, the reinforcing rod has the effect of reinforcing the internal structural strength of the liquid spiral channel, and the possibility of unsmooth oil flow caused by deformation of the liquid spiral channel after long-term use is reduced.

The utility model discloses further set up to: the filter screen plate is provided with a ring plate along the outer periphery, and the handle is fixedly arranged on the inner wall of the ring plate.

Through the technical scheme, the arrangement of the ring plate has the effect of blocking sundries on the filter screen plate, and the number of the workers in the process of taking out the filter screen plate is reduced

To sum up, the utility model discloses a beneficial technological effect does:

1. the condensate draining port can drain condensate generated in the heat exchange process, so that the influence of the condensate on the temperature of high-temperature steam is reduced, and the overall efficiency of heat exchange is improved;

2. the sewage draining outlet can clean impurities in the oil, so that the possibility that the oil flows unsmoothly in the liquid spiral channel due to more impurities accumulated in the liquid spiral channel is reduced;

3. the vent has played the effect of purifying the oil, has reduced the gas content in the oil of exporting from the oil outlet.

Drawings

Fig. 1 is a schematic view of the entire structure of embodiment 1.

FIG. 2 is a sectional view of a can body in example 1.

FIG. 3 is a schematic view of the entire structure of embodiment 2.

Fig. 4 is an exploded view of the tank receiving portion according to embodiment 2.

Reference numerals: 1. a gas spiral channel; 2. a liquid spiral channel; 3. a tank body; 4. an upper cover plate; 5. a lower cover plate; 6. a steam inlet; 7. an oil inlet; 8. an oil outlet; 9. a steam outlet; 10. a condensate draining port; 11. a first valve; 12. a liquid collection tank; 13. a drain pipe; 14. a sewage draining outlet; 15. a second valve; 16. an oil tank is connected; 17. sinking a groove; 18. a filter screen plate; 19. a handle; 20. a communicating pipe; 21. an oil well pump; 22. a vent port; 23. a reinforcing rod; 24. and (4) a ring plate.

Detailed Description

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

Example 1: a spiral plate type heat exchanger comprises a tank body 3 composed of a gas spiral channel 1 and a liquid spiral channel 2, wherein an upper cover plate 4 and a lower cover plate 5 for sealing the tank body 3 are respectively arranged on the tank body 3, a steam inlet 6 communicated with the gas spiral channel 1 is fixedly arranged on the upper cover plate 4, an oil inlet 7 communicated with the liquid spiral channel 2 is arranged on the lower cover plate 5, an oil outlet 8 communicated with the liquid spiral channel 2 and a steam outlet 9 communicated with the gas spiral channel 1 are respectively arranged on the outer wall of the tank body 3, and the oil outlet 8 is positioned above the steam outlet 9. Consequently, the staff can be with high temperature steam through the 6 input gaseous helical coiled passage 1 of steam inlet that are located jar body 3 top, with oil through the 7 input liquid helical coiled passage 2 of oil inlet that are located jar body 3 below, high temperature steam and oil carry out the heat transfer in jar body 3 and heat oil, oil export 8 outputs from jar body 3 oil after the heating, and the high temperature steam that the heat transfer back temperature reduces is discharged from steam outlet 9 to accomplish and carry out the effect of heating to oil.

As shown in fig. 1, the outer wall of the tank body 3 is further provided with a condensate discharging port 10 communicated with the gas spiral channel 1, the condensate discharging port 10 is positioned on the tank body 3 and is lower than the steam outlet 9, the condensate discharging port 10 is provided with a first valve 11, and the first valve 11 is normally closed. Therefore, high temperature steam and oil can produce the comdenstion water in the in-process of heat exchange in the gas helical passage 1, and the comdenstion water receives self gravity to influence and can flow downwards along the inner wall of gas helical passage 1, piles up in the bottom of jar body 3, and the staff can regularly open the first valve 11 on the mouth 10 of condensing will arranging, discharges the comdenstion water of jar body 3 bottom, has reduced the influence of comdenstion water to high temperature steam temperature to the overall efficiency of heat exchange has been improved.

As shown in figure 1, the outer wall of the tank body 3 is also provided with a sewage draining outlet 14 communicated with the liquid spiral channel 2, the sewage draining outlet 14 is provided with a second valve 15, and the sewage draining outlet 14 is positioned on the tank body 3 and is lower than the oil outlet 8. In the process of oil heat exchange in the liquid spiral channel 2, along with the continuous rising of oil along the liquid spiral channel 2, partial impurities in the oil are difficult to flow out from the oil outlet 8 along with the influence of self gravity, and most of the impurities can be precipitated at the bottom of the tank body 3. Consequently, the staff can regularly open second valve 15 on the drain 14 for oil import 7 department constantly input oil part can drive the impurity of jar body 3 bottom and flow out from drain 14, treat impurity discharge back basically, close second valve 15, thereby play the effect of clearing up liquid spiral channel 2, it is more to have reduced the impurity of piling up in liquid spiral channel 2 inside, lead to the unsmooth possibility of oil flow in liquid spiral channel 2.

As shown in figure 1, the outer wall of the tank body 3 is also provided with a vent 22 communicated with the liquid spiral channel 2, and the height of the vent 22 on the tank body 3 is higher than that of the oil outlet 8. Oil carries out the in-process of heat exchange in jar body 3, the lower liquid impurity of the interior partial boiling point of oil can become gas after being heated, because drain 22 is linked together and is located the top of oil export 8 with liquid helical channel 2, therefore, the gas that produces in the oil can be discharged from drain 22, oil is from the oil export 8 output of blow-down pipe below, drain 22 is with the gas separation that oil and oil produced in the heating process, the effect of purifying is carried out to the oil of output has been played, the gas content in the oil export 8 output oil from oil has been reduced, the quality of oil has been improved.

As shown in fig. 2, the liquid spiral channel 2 is internally and fixedly provided with a plurality of reinforcing rods 23 with two ends respectively connected to the inner walls of the two sides of the liquid spiral channel 2, the reinforcing rods 23 play a role in enhancing the stability of the internal structure of the tank body 3, and the possibility that the liquid spiral channel 2 deforms to cause unsmooth oil flow after the tank body 3 works for a long time is reduced.

Example 2: a spiral plate heat exchanger, which is different from embodiment 1 in that:

as shown in figure 3, a closed header tank 12 communicated with the condensate draining port 10 is arranged at the condensate draining port 10, a drain pipe 13 is arranged on the header tank 12, a first valve 11 is arranged on the drain pipe 13 and is in a closed state at ordinary times, and the height of the header tank 12 is lower than that of the condensate draining port 10. Therefore, the condensate water deposited at the bottom of the tank body 3 can flow into the header tank 12 along the condensate draining port 10 and is temporarily stored in the header tank 12, and the first valve 11 can be periodically opened by a worker, so that the condensate water in the header tank 12 can be drained out of the header tank 12 through the drain pipe 13, the possibility that the condensate water is accumulated at the bottom of the tank body 3 to influence the internal heat exchange effect of the tank body 3 is reduced, and the heat exchange effect of the tank body is improved.

As shown in fig. 3 and 4, an oil receiving tank 16 is disposed below the sewage outlet 14, a sinking groove 17 is disposed at the tank opening of the oil receiving tank 16, a filter screen 18 is erected in the sinking groove 17, a ring plate 24 is disposed along the outer periphery of the filter screen 18, and a handle 19 partially extending out of the oil receiving tank 16 is fixedly disposed on the ring plate 24. Therefore, the liquid flowing out of the sewage discharge outlet 14 in the cleaning process of the liquid spiral channel 2 can uniformly fall into the oil receiving tank 16, and impurities in the oil are filtered onto the filter screen plate 18 and are accumulated in the ring plate 24; oil can fall into oil receiving tank 16 through filter screen 18 to separate oil and impurity, and the staff can close second valve 15, later through the mode of grasping handle 19 with the hand with filter screen 18 whole lift up, so that the staff clears up filter screen 18.

As shown in fig. 3, the oil receiving tank 16 is communicated with the oil inlet 7 through a communication pipe 20, an oil well pump 21 is arranged on the communication pipe 20, and one end of the communication pipe 20, which is positioned on the oil receiving tank 16, is lower than the filter screen 18. Therefore, when cleaning the liquid spiral channel 2, the worker can open the oil pump 21, and the oil separated from impurities in the oil receiving tank 16 is pumped out and continuously participates in heat exchange from the oil inlet 7, so that the effect of recycling the oil discharged from the sewage discharge port 14 after being filtered is achieved, and the loss in the oil sewage discharge process is reduced.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a spiral plate heat exchanger, contains jar body (3) that comprise gas helical coiled passage (1) and liquid helical coiled passage (2), be equipped with upper cover plate (4) and lower apron (5), its characterized in that on jar body (3) respectively: be equipped with steam inlet (6) that are linked together with gaseous helical passage (1) on upper cover plate (4), be equipped with oil inlet (7) that are linked together with liquid helical passage (2) on lower apron (5), be equipped with respectively on the outer wall of the jar body (3) oil export (8) that are linked together with liquid helical passage (2) and steam outlet (9) that are linked together with gaseous helical passage (1), still be equipped with on the outer wall of the jar body (3) row that is linked together with gaseous helical passage (1) congeal mouth (10), be equipped with first valve (11) on row congeals mouth (10), arrange the height that highly is less than steam outlet (9) of congealing mouth (10).

2. A spiral plate heat exchanger according to claim 1, wherein: the drainage and condensation port (10) is provided with a liquid collecting box (12) communicated with the drainage and condensation port (10), a drain pipe (13) is arranged on the liquid collecting box (12), and the first valve (11) is positioned on the drain pipe (13).

3. A spiral plate heat exchanger according to claim 1, wherein: still be equipped with drain (14) that are linked together with liquid spiral channel (2) on the outer wall of jar body (3), the height that highly is less than oil export (8) of drain (14), be equipped with second valve (15) on drain (14).

4. A spiral plate heat exchanger according to claim 3, wherein: the oil receiving tank (16) is placed below the sewage draining outlet (14), a sinking groove (17) is formed in the tank opening of the oil receiving tank (16), a filter screen plate (18) is erected in the sinking groove (17), and a handle (19) partially extending out of the oil receiving tank (16) is arranged on the filter screen plate (18).

5. A spiral plate heat exchanger according to claim 4, wherein: the oil receiving tank (16) is communicated with the oil inlet (7) through a communicating pipe (20), an oil well pump (21) is arranged on the communicating pipe (20), and the communicating pipe (20) is positioned below the filter screen plate (18).

6. A spiral plate heat exchanger according to claim 1, wherein: the outer wall of the tank body (3) is further provided with a vent (22) communicated with the liquid spiral channel (2), and the height of the vent (22) is higher than that of the oil outlet (8).

7. A spiral plate heat exchanger according to claim 1, wherein: a plurality of reinforcing rods (23) are arranged inside the liquid spiral channel (2), and two ends of the reinforcing rods (23) are connected to the inner walls of two sides of the liquid spiral channel (2) respectively.

8. A spiral plate heat exchanger according to claim 4, wherein: the filter screen plate (18) is provided with a ring plate (24) along the outer periphery, and the handle (19) is fixedly arranged on the inner wall of the ring plate (24).