CN114199050A

CN114199050A - Plate heat exchanger with fully and uniformly heat exchange

Info

Publication number: CN114199050A
Application number: CN202111567564.XA
Authority: CN
Inventors: 陈明; 陈庚; 徐殿国; 高健; 石晓潇
Original assignee: YANGZHOU PANSTAR HEAT EXCHANGE EQUIPMENT CO Ltd
Current assignee: YANGZHOU PANSTAR HEAT EXCHANGE EQUIPMENT CO Ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-03-18

Abstract

The invention belongs to the technical field of heat exchangers, and particularly relates to a plate-type heat exchanger with sufficient and uniform heat exchange, which comprises a bottom plate, wherein a high platform is fixed at the top of the bottom plate, a heat exchanger body is fixed at the top of the high platform, a hot inlet, a hot outlet, a cold inlet and a cold outlet are respectively and fixedly communicated on the heat exchanger body, four first reversing valves are arranged above the bottom plate, and a first connecting pipe, a second connecting pipe and a third connecting pipe are respectively and fixedly communicated on the first reversing valves. According to the invention, by arranging the first reversing valve, the bracket, the cylinder body and the conveying mechanism, when the heat exchanger body needs to be cleaned, the interior of the heat exchanger body can be cleaned without a complicated operation mode of disassembling or even disassembling the heat exchanger body from fixedly installed equipment, the cleaning is very convenient and rapid, and by arranging the sewage collecting box, the discharge pipe and the blow-off pipe, waste liquid generated during cleaning can be discharged in a centralized manner, so that the pollution to the surrounding working environment is avoided.

Description

Plate heat exchanger with fully and uniformly heat exchange

Technical Field

The invention relates to the technical field of heat exchangers, in particular to a plate-type heat exchanger with sufficient and uniform heat exchange.

Background

The plate heat exchanger with uniform and sufficient heat exchange is a high-efficiency heat exchanger formed by stacking a series of metal sheets with certain corrugated shapes, a thin rectangular channel is formed among various plate sheets, heat exchange is carried out through the plate sheets, and the plate heat exchanger has the characteristics of high heat exchange efficiency, small heat loss, compact and light structure, small occupied area, wide application, long service life and the like, and has a wide application range due to the characteristics of uniform and sufficient exchange.

However, after the heat exchanger is used for a period of time, the plates have certain deposits and scale to affect the heat exchange effect, so that the heat exchange is not sufficient and uniform, and large heat energy loss exists, people need to clean the heat exchanger regularly.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a plate heat exchanger with sufficient and uniform heat exchange, and solves the problem that the conventional heat exchanger is inconvenient to clean when fixedly arranged on equipment.

(II) technical scheme

The invention specifically adopts the following technical scheme for realizing the purpose:

the utility model provides a plate heat exchanger that heat exchange is abundant even, includes the bottom plate, the top of bottom plate is fixed with the high platform, the top of high platform is fixed with the heat exchanger body, install the intercommunication respectively on the heat exchanger body and have hot entry, hot export, cold entry and cold export, the top of bottom plate is provided with four first switching-over valves, is provided with first even pipe, second even pipe and third even pipe on the first switching-over valve respectively, the tip of hot entry, hot export, cold entry and cold export is even the pipe intercommunication with the second of corresponding first switching-over valve respectively, the top of bottom plate is fixed with the support, the top of support is fixed with the barrel, be provided with conveying mechanism in the barrel.

Further, conveying mechanism is including fixing the division board at the barrel middle part, the division board becomes clear water chamber and medicament chamber with the internal partitioning of barrel, the bottom and the clear water chamber installation intercommunication of barrel have the clean water pipe, the bottom and the medicament chamber installation intercommunication of barrel have the medicament pipe, the below of barrel is provided with the second switching-over valve, the bottom of clean water pipe and medicament pipe and the input intercommunication of second switching-over valve, the output installation intercommunication of second switching-over valve has the force (forcing) pump, the output installation intercommunication of force (forcing) pump has first conveyer pipe and second conveyer pipe, the other end of first conveyer pipe and the third of the first switching-over valve on the hot exit are managed the intercommunication even, the other end of second conveyer pipe and the third of the first switching-over valve on the cold exit are managed the intercommunication even.

Further, the top of bottom plate is fixed with the dirty box of collection, the back mounted intercommunication of the dirty box of collection has the blow off pipe, the bottom of the dirty box of collection is decurrent slope form toward the blow off pipe direction.

Furthermore, a third connecting pipe on the first reversing valve on the hot inlet is communicated with a discharge pipe.

Furthermore, the top symmetry of barrel articulates through the hinge has the cover, the cover corresponds with the position in clear water chamber and medicament chamber.

Furthermore, the top of the cylinder cover is fixed with a lifting ring.

(III) advantageous effects

Compared with the prior art, the invention provides a plate heat exchanger with sufficient and uniform heat exchange, which has the following beneficial effects:

according to the invention, by arranging the first reversing valve, the bracket, the cylinder body and the conveying mechanism, when the heat exchanger body needs to be cleaned, the interior of the heat exchanger body can be cleaned without a complicated operation mode of disassembling or even disassembling the heat exchanger body from fixedly installed equipment, the cleaning is very convenient and rapid, and by arranging the sewage collecting box, the discharge pipe and the blow-off pipe, waste liquid generated during cleaning can be discharged in a centralized manner, so that the pollution to the surrounding working environment is avoided.

Drawings

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

FIG. 2 is a schematic structural view of the invention without the cartridge and the delivery mechanism installed;

FIG. 3 is a schematic side view of the present invention;

fig. 4 is a schematic view of the internal structure of the cylinder of the present invention.

In the figure: 1. a base plate; 2. a high platform; 3. a heat exchanger body; 4. a hot inlet; 5. a hot outlet; 6. a cold inlet; 7. a cold outlet; 8. a first direction changing valve; 9. a first connecting pipe; 10. a second connecting pipe; 11. a third connecting pipe; 12. a support; 13. a barrel; 14. a conveying mechanism; 1401. a partition plate; 1402. a clear water cavity; 1403. a medicament chamber; 1404. a clear water pipe; 1405. a drug tube; 1406. a second directional control valve; 1407. a pressure pump; 1408. a first delivery pipe; 1409. a second delivery pipe; 1410. a cylinder cover; 15. a dirt collecting box; 16. a discharge pipe; 17. a sewage discharge pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

As shown in fig. 1, a plate heat exchanger with sufficiently uniform heat exchange according to an embodiment of the present invention includes a bottom plate 1, a high platform 2 is fixed on the top of the bottom plate 1, a heat exchanger body 3 is fixed on the top of the high platform 2, a hot inlet 4, a hot outlet 5, a cold inlet 6 and a cold outlet 7 are respectively installed and communicated on the heat exchanger body 3, four first direction valves 8 are arranged above the bottom plate 1, first connecting pipes 9, second connecting pipes 10 and third connecting pipes 11 are respectively arranged on the first direction valves 8, ends of the hot inlet 4, the hot outlet 5, the cold inlet 6 and the cold outlet 7 are respectively communicated with second connecting pipes 10 corresponding to the first direction valves 8, a support 12 is fixed on the top of the bottom plate 1, a cylinder 13 is fixed on the top of the support 12, and a conveying mechanism 14 is arranged in the cylinder 13; to sum up, during heat exchange, the first direction valve 8 is in a state of communicating the first connecting pipe 9 with the second connecting pipe 10, the third connecting pipe 11 is in a closed state, the hot fluid enters the heat exchanger body 3 from the first connecting pipe 9 of the first direction valve 8 on the hot inlet 4 and then flows out from the first connecting pipe 9 of the first direction valve 8 on the hot outlet 5, the cold fluid enters the heat exchanger body 3 from the first connecting pipe 9 of the first direction valve 8 on the cold inlet 6 and then flows out from the first connecting pipe 9 of the first direction valve 8 on the cold outlet 7, so that a heat exchange reaction can be performed, when the heat exchanger body 3 needs to be cleaned, the first direction valve 8 is in a state of communicating the second connecting pipe 10 with the third connecting pipe 11, the first connecting pipe 9 is in a closed state, then the cleaning agent and water are respectively injected into the cylinder 13, the conveying mechanism 14 starts to operate, and the cleaning agent in the cylinder 13 respectively flows out from the third connecting pipe 11 of the first direction valve 8 on the hot outlet 5, and the third connecting pipe 11 of the first reversing valve 8 on the cold outlet 7 enters the heat exchanger body 3, so that the heat exchanger body 3 can be reversely flushed, after the cleaning agent is flushed, the conveying mechanism 14 conveys water into the heat exchanger body 3 in the manner, the cleaning agent in the heat exchanger body 3 can be flushed, the medicament residue is avoided, and after the cleaning is finished, a person operates the control device again, so that the communication state of the first reversing valve 8 is restored to the communication between the first connecting pipe 9 and the second connecting pipe 10.

As shown in fig. 3, in some embodiments, the delivery mechanism 14 includes a partition plate 1401 fixed in the middle of the cylinder 13, the partition plate 1401 partitions the inside of the cylinder 13 into a clean water chamber 1402 and a medicine chamber 1403, the bottom of the cylinder 13 is installed and communicated with the clean water chamber 1402, the bottom of the cylinder 13 is installed and communicated with the medicine chamber 1403, a second direction changing valve 1406 is arranged below the cylinder 13, the bottom ends of the clean water pipe 1404 and the medicine pipe 1405 are communicated with the input end of the second direction changing valve 1406, the output end of the second direction changing valve 1406 is installed and communicated with a pressure pump 1407, the output end of the pressure pump 1407 is installed and communicated with a first delivery pipe 1408 and a second delivery pipe 1409, the other end of the first delivery pipe 1408 is communicated with a third connecting pipe 11 of the first direction changing valve 8 on the hot outlet 5, the other end of the second delivery pipe 1409 is communicated with the third connecting pipe 11 of the first direction changing valve 8 on the cold outlet 7, when water and the cleaning agent are injected into the cylinder 13, the connection between the second direction changing valve 1406 and the clean water pipe 1404 and the chemical pipe 1405 is closed, when the cleaning agent needs to be fed into the heat exchanger body 3, the pressure pump 1407 starts to operate, the second direction changing valve 1406 is operated to connect the chemical pipe 1405 with the pressure pump 1407, the clean water pipe 1404 is still closed, the cleaning agent in the chemical chamber 1403 is fed into the first feed pipe 1408 and the second feed pipe 1409 by the pressure pump 1407 and then enters the heat exchanger body 3 through the hot outlet 5 and the cold outlet 7, after the reverse flushing of the cleaning agent is completed, the second direction changing valve 1406 is operated to connect the clean water pipe 1404 and the pressure pump 1407, and the chemical pipe 1405 is closed, so that the clean water can be fed into the heat exchanger body 3 for flushing, and the cleaning agent is prevented from remaining in the heat exchanger body 3.

As shown in fig. 2 and 3, in some embodiments, a dirt collecting box 15 is fixed on the top of the bottom plate 1, a dirt discharge pipe 17 is installed and communicated on the back surface of the dirt collecting box 15, and the bottom of the dirt collecting box 15 is inclined downwards towards the dirt discharge pipe 17, so that the dirty liquid discharged from the inside of the heat exchanger body 3 can be intensively discharged.

As shown in fig. 2 and 3, in some embodiments, the third connecting pipe 11 of the first reversing valve 8 on the hot inlet 4 is connected to the drain pipe 16 for facilitating the drainage of the turbid liquid flowing out from the hot inlet 4 into the sewage collecting box 15 during cleaning.

As shown in fig. 4, in some embodiments, the top of the cylinder 13 is symmetrically hinged to a cover 1410 through hinges, the cover 1410 corresponds to the positions of the clean water chamber 1402 and the medicament chamber 1403, and when the cover 1410 is opened, the cleaning agent and water can be injected into the cylinder 13, and when the heat exchanger body 3 is not required to be cleaned, the cover 1410 can prevent dust or impurities from falling into the cylinder 13.

As shown in fig. 4, in some embodiments, a bail is secured to the top of cover 1410 to facilitate opening of cover 1410.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A plate heat exchanger with substantially uniform heat exchange, comprising a bottom plate (1), characterized in that: a high platform (2) is fixed on the top of the bottom plate (1), a heat exchanger body (3) is fixed on the top of the high platform (2), the heat exchanger body (3) is respectively provided with a hot inlet (4), a hot outlet (5), a cold inlet (6) and a cold outlet (7), four first reversing valves (8) are arranged above the bottom plate (1), a first connecting pipe (9), a second connecting pipe (10) and a third connecting pipe (11) are respectively arranged on the first reversing valves (8), the ends of the hot inlet (4), the hot outlet (5), the cold inlet (6) and the cold outlet (7) are respectively communicated with a second connecting pipe (10) of the corresponding first reversing valve (8), a support (12) is fixed to the top of the bottom plate (1), a cylinder (13) is fixed to the top of the support (12), and a conveying mechanism (14) is arranged in the cylinder (13).

2. A plate heat exchanger with substantially uniform heat exchange according to claim 1, wherein: the conveying mechanism (14) comprises a partition plate (1401) fixed in the middle of a cylinder (13), the partition plate (1401) partitions the interior of the cylinder (13) into a clear water cavity (1402) and a medicament cavity (1403), the bottom of the cylinder (13) is communicated with the clear water cavity (1402) through a clear water pipe (1404), the bottom of the cylinder (13) is communicated with the medicament cavity (1403) through a medicament pipe (1405), a second reversing valve (1406) is arranged below the cylinder (13), the bottom ends of the clear water pipe (1404) and the medicament pipe (1405) are communicated with the input end of a second reversing valve (1406), the output end of the second reversing valve (1406) is communicated with a pressurizing pump (1407), the output end of the pressurizing pump (1407) is communicated with a first conveying pipe (1408) and a second conveying pipe (1409), the other end of the first conveying pipe (1408) is communicated with a third connecting pipe (11) of a first reversing valve (8) on a hot outlet (5), the other end of the second conveying pipe (1409) is communicated with a third connecting pipe (11) of the first reversing valve (8) on the cold outlet (7).

3. A plate heat exchanger with substantially uniform heat exchange according to claim 1, wherein: the top of bottom plate (1) is fixed with dirty box (15) of collection, the back mounted intercommunication of dirty box (15) of collection has blow off pipe (17), the bottom of the dirty box (15) of collection is decurrent slope form toward blow off pipe (17) direction.

4. A plate heat exchanger with substantially uniform heat exchange according to claim 1, wherein: and a discharge pipe (16) is arranged and communicated with a third connecting pipe (11) on the first reversing valve (8) on the hot inlet (4).

5. A plate heat exchanger with substantially uniform heat exchange according to claim 2, wherein: the top symmetry of barrel (13) has cover (1410) through hinge, cover (1410) correspond with the position of clear water chamber (1402) and medicament chamber (1403).

6. A plate heat exchanger with substantially uniform heat exchange according to claim 5, wherein: the top of the cylinder cover (1410) is fixed with a lifting ring.