CN218329518U - Pulse back-flushing cleaning device for heat exchanger - Google Patents
Pulse back-flushing cleaning device for heat exchanger Download PDFInfo
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- CN218329518U CN218329518U CN202222059267.0U CN202222059267U CN218329518U CN 218329518 U CN218329518 U CN 218329518U CN 202222059267 U CN202222059267 U CN 202222059267U CN 218329518 U CN218329518 U CN 218329518U
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Abstract
The utility model discloses a heat exchanger pulse back flush belt cleaning device, the on-line screen storage device comprises a base, first pulse water pump is installed to one side on base top, just the water supply unit is installed on the base top of first pulse water pump one side, and the feed liquor end of first pulse water pump passes through straight tube and water supply unit interconnect, the second pulse water pump is installed to one side on base top, just the heat exchanger connecting pipe is installed to the play liquid end of second pulse water pump, the play liquid end of first pulse water pump is installed and is washed the person in charge, wash the top of being responsible for and install back shape circulating pipe. The utility model discloses a be provided with the structure of mutually supporting such as second ooff valve and time shape circulating pipe, plate heat exchanger's liquid outlet is responsible for with the feed liquor and links together, with second ooff valve and plate heat exchanger's inlet interconnect, and waste water dirt after the washing is arranged to the waste liquid collection end from plate heat exchanger's inlet, avoids the dirt waste liquid to be detained in plate heat exchanger, improves the back flush quality of device.
Description
Technical Field
The utility model relates to a plate heat exchanger washs technical field, specifically is a heat exchanger pulse back flush belt cleaning device.
Background
The plate heat exchanger is a high-efficiency heat exchanger formed by stacking a series of corrugated metal sheets, a cooling medium and a cooled medium form two fluid circulation channels, and the plate heat exchanger has the advantages of high heat transfer efficiency, compact structure, high temperature resistance, good sealing performance, safety, reliability and the like.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a heat exchanger pulse back flush belt cleaning device to solve the above-mentioned background art in the device easily enter into the problem in the heat exchanger along the flushing line dirt of washing in-process.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a heat exchanger pulse back flush belt cleaning device, includes the base, first pulse water pump is installed to one side on base top, just the water supply unit is installed on the base top of first pulse water pump one side, and the feed liquor end of first pulse water pump passes through straight tube and water supply unit interconnect, the second pulse water pump is installed to one side on base top, just the heat exchanger connecting pipe is installed to the play liquid end of second pulse water pump, the play liquid end of first pulse water pump is installed and is washed the person in charge, wash the top of being responsible for and install the shape circulating pipe of returning, the top of heat exchanger connecting pipe and the bottom interconnect of shape circulating pipe of returning, wash the person in charge and install first ooff valve and third ooff valve respectively with one side on heat exchanger connecting pipe surface, the liquid outlet of shape circulating pipe is through the inlet interconnect of conducting unit and heat exchanger, the feed liquor end of second pulse water pump is through the liquid outlet interconnect of reposition of redundant personnel subassembly and heat exchanger.
Preferably, the water supply unit is including installing the frame on the base top, the internally mounted of frame has the flushing tank, the liquid outlet of flushing tank and the inlet end interconnect of first pulse flushing pump.
Preferably, the conducting unit comprises a water return pipe arranged at the liquid outlet of the loop-shaped circulating pipe, and a second switch valve is arranged at the bottom end of the water return pipe.
Preferably, the square-shaped circulating pipe consists of two groups of long pipes, two groups of short pipes and four groups of right-angle bent pipes.
Preferably, the reposition of redundant personnel subassembly is responsible for including the feed liquor of installing at second pulse water pump feed liquor end, the shunt tubes is installed to one side on feed liquor main pipe top, Z type pipe is installed on the top of shunt tubes, just the top of Z type pipe and the bottom interconnect of time shape circulating pipe.
Preferably, the lengths of the heat exchanger connecting pipe and the flushing main pipe are equal.
Compared with the prior art, the beneficial effects of the utility model are that: the pulse back-washing cleaning device for the heat exchanger is characterized in that a second switch valve, a zigzag circulating pipe and the like are arranged in a matched structure, a liquid outlet of the plate heat exchanger is connected with a liquid inlet main pipe, the second switch valve is connected with a liquid inlet of the plate heat exchanger, when dirt in the plate heat exchanger is washed back, a worker disconnects the second switch valve from the liquid inlet of the plate heat exchanger, the liquid inlet of the plate heat exchanger is connected with a waste liquid collecting end, a first pulse washing pump enables washing water in a washing tank to be communicated with the first switch valve and the zigzag circulating pipe and to be fed into a Z-shaped guide pipe, washing water phase enters the plate heat exchanger again through the Z-shaped guide pipe, a shunt pipe and the liquid inlet main pipe, at the moment, the dirt in the plate heat exchanger is washed back, the washed waste water dirt is discharged to the waste liquid collecting end from the liquid inlet of the plate heat exchanger, therefore, the dirt and waste liquid are prevented from being retained in the plate heat exchanger, and the back-washing quality of the device is improved.
Drawings
Fig. 1 is a schematic view of the structure of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;
FIG. 3 is a schematic side view of the present invention;
FIG. 4 is a schematic view of the top view of the square-shaped circulation tube of the present invention;
in the figure: 1. a base; 2. a frame; 3. washing the tank; 4. a first pulsed water pump; 5. flushing the main pipe; 6. a first on-off valve; 7. a pipe shaped like a Chinese character 'hui'; 8. a water return pipe; 9. a second on-off valve; 10. a second pulsed water pump; 11. a heat exchanger connecting pipe; 12. a third on-off valve; 13. a liquid inlet main pipe; 14. a shunt tube; 15. a Z-shaped catheter.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides an embodiment: a pulse back-flushing cleaning device for a heat exchanger comprises a base 1, wherein a first pulse water pump 4 is installed on one side of the top end of the base 1, and a water supply unit is installed on the top end of the base 1 on one side of the first pulse water pump 4;
the liquid inlet end of the first pulse water pump 4 is mutually connected with a water supply unit through a straight pipe, the water supply unit comprises a rack 2 arranged at the top end of a base 1, a flushing tank 3 is arranged in the rack 2, and the liquid outlet of the flushing tank 3 is mutually connected with the liquid inlet end of the first pulse water pump 4;
a second pulse water pump 10 is installed on one side of the top end of the base 1, a heat exchanger connecting pipe 11 is installed at the liquid outlet end of the second pulse water pump 10, a main flushing pipe 5 is installed at the liquid outlet end of the first pulse water pump 4, a circular circulating pipe 7 is installed at the top end of the main flushing pipe 5, and the circular circulating pipe 7 is composed of two groups of long pipes, two groups of short pipes and four groups of right-angle bent pipes;
the top end of the heat exchanger connecting pipe 11 is mutually connected with the bottom end of the square-shaped circulating pipe 7, and the length of the heat exchanger connecting pipe 11 is equal to that of the main flushing pipe 5;
when dirt in the plate heat exchanger needs to be backwashed, a worker disconnects the second switch valve 9 from the liquid inlet of the plate heat exchanger, and the liquid inlet of the plate heat exchanger is connected with the waste liquid collecting end;
a first switch valve 6 and a third switch valve 12 are respectively arranged on one side of the surfaces of the washing main pipe 5 and the heat exchanger connecting pipe 11, the liquid outlet of the square-shaped circulating pipe 7 is mutually connected with the liquid inlet of the heat exchanger through a conducting unit, the conducting unit comprises a water return pipe 8 arranged on the liquid outlet of the square-shaped circulating pipe 7, and the bottom end of the water return pipe 8 is provided with a second switch valve 9;
a liquid outlet of the plate type heat exchanger is connected with a liquid inlet main pipe 13, and a second switch valve 9 is connected with a liquid inlet of the plate type heat exchanger;
in the daily work process of the plate heat exchanger, a worker enables the first switch valve 6 to be in a normally closed state, the third switch valve 12 and the second switch valve 9 to be in a normally open state, circulating liquid in the plate heat exchanger is pumped into the liquid inlet main pipe 13, the shunt pipe 14 and the heat exchanger connecting pipe 11 through the second pulse water pump 10, and liquid phase is shunted into three groups to enter the loop-shaped circulating pipe 7 and enters the plate heat exchanger through the water return pipe 8 and the second switch valve 9, so that the liquid phase circulating efficiency of the plate heat exchanger is effectively improved;
the liquid inlet end of the second pulse water pump 10 is connected with the liquid outlet of the heat exchanger through the flow dividing assembly, and through the arrangement of the third switch valve 12, the cleaning water phase cannot flow into the heat exchanger connecting pipe 11, namely, the second pulse water pump 10 cannot be impacted, the second pulse water pump 10 is effectively protected, and the phenomenon that the second pulse water pump 10 is damaged due to flushing is avoided;
the flow dividing component comprises a liquid inlet main pipe 13 arranged at the liquid inlet end of the second pulse water pump 10, a flow dividing pipe 14 is arranged on one side of the top end of the liquid inlet main pipe 13, a Z-shaped guide pipe 15 is arranged at the top end of the flow dividing pipe 14, and the top end of the Z-shaped guide pipe 15 is mutually connected with the bottom end of the square-shaped circulating pipe 7;
the first pulse water pump 4 is started, the first switch valve 6 is normally opened, the water return pipe 8 and the third switch valve 12 are normally closed, and then the first pulse water pump 4 sends cleaning water in the washing tank 3 to the Z-shaped guide pipe 15 through the first switch valve 6 and the square-shaped circulating pipe 7;
the cleaning water phase enters the plate heat exchanger again through the Z-shaped guide pipe 15, the shunt pipe 14 and the liquid inlet main pipe 13, dirt in the plate heat exchanger is back-flushed at the moment, and the flushed waste water dirt is discharged to the waste liquid collecting end from the liquid inlet of the plate heat exchanger, so that the dirt and waste liquid are prevented from being retained in the plate heat exchanger.
In the application, when the liquid outlet of the plate heat exchanger is connected with the liquid inlet main pipe 13, the second switch valve 9 is connected with the liquid inlet of the plate heat exchanger, in the daily working process of the plate heat exchanger, a worker enables the first switch valve 6 to be in a normally closed state, the third switch valve 12 and the second switch valve 9 are in a normally open state, circulating liquid in the plate heat exchanger is pumped into the liquid inlet main pipe 13, the shunt pipe 14 and the heat exchanger connecting pipe 11 through the second pulse water pump 10, liquid phase is shunted into three groups to enter the return-shaped circulating pipe 7 and enters the plate heat exchanger through the return pipe 8 and the second switch valve 9, the liquid phase circulating efficiency of the plate heat exchanger is effectively improved, when dirt in the plate heat exchanger needs to be backwashed, the worker disconnects the second switch valve 9 from the liquid inlet of the plate heat exchanger, the liquid inlet of the plate heat exchanger is connected with the waste liquid collecting end, a worker opens the first pulse water pump 4, the first switch valve 6 is normally opened, the water return pipe 8 and the third switch valve 12 are normally closed, the first pulse water pump 4 sends cleaning water in the washing tank 3 to the Z-shaped guide pipe 15 through the first switch valve 6 and the return-shaped circulating pipe 7, the third switch valve 12 is in a closed state, the cleaning water cannot flow into the heat exchanger connecting pipe 11, namely impact influence on the second pulse water pump 10 is avoided, the second pulse water pump 10 is effectively protected, the phenomenon that the second pulse water pump 10 is damaged due to washing is avoided, the cleaning water further enters the plate heat exchanger again through the Z-shaped guide pipe 15, the shunt pipe 14 and the main pipe liquid inlet 13, at the moment, dirt in the plate heat exchanger is back-washed, the washed waste water dirt is discharged from the liquid inlet of the plate heat exchanger to the waste liquid collecting end, thereby avoid the dirt waste liquid to be detained in plate heat exchanger, improve the back flush quality of device, and provide convenient for staff's later maintenance work.
Claims (3)
1. The utility model provides a heat exchanger pulse back flush belt cleaning device which characterized in that: including base (1), first pulse water pump (4) is installed to one side on base (1) top, just the water supply unit is installed on base (1) top on one side of first pulse water pump (4), and the feed liquor end of first pulse water pump (4) passes through straight tube and water supply unit interconnect, second pulse water pump (10) is installed to one side on base (1) top, just heat exchanger connecting pipe (11) are installed to the play liquid end of second pulse water pump (10), the play liquid end of first pulse water pump (4) is installed and is washed and be responsible for (5), it installs back shape circulating pipe (7) to wash the top of being responsible for (5), the top of heat exchanger connecting pipe (11) and the bottom interconnect of returning shape circulating pipe (7), wash one side of being responsible for (5) and heat exchanger connecting pipe (11) surface and install first ooff valve (6) and third ooff valve (12) respectively, the liquid outlet of returning shape circulating pipe (7) is through the interconnect of conducting through unit and heat exchanger, the feed liquor end of second pulse water pump (10) passes through the reposition of redundant personnel subassembly and heat exchanger interconnect.
2. The pulse back-flushing cleaning device for the heat exchanger as claimed in claim 1, wherein: the water supply unit comprises a rack (2) arranged at the top end of the base (1), a washing tank (3) is arranged in the rack (2), and a liquid outlet of the washing tank (3) is connected with a liquid inlet end of the first pulse water pump (4); the conduction unit comprises a water return pipe (8) arranged at a liquid outlet of the loop-shaped circulation pipe (7), and the bottom end of the water return pipe (8) is provided with a second switch valve (9); the square-shaped circulating pipe (7) consists of two groups of long pipes, two groups of short pipes and four groups of right-angle bent pipes.
3. The pulse back-flushing cleaning device for the heat exchanger according to claim 1, characterized in that: the flow dividing assembly comprises a liquid inlet main pipe (13) arranged at a liquid inlet end of a second pulse water pump (10), a flow dividing pipe (14) is arranged on one side of the top end of the liquid inlet main pipe (13), a Z-shaped guide pipe (15) is arranged on the top end of the flow dividing pipe (14), and the top end of the Z-shaped guide pipe (15) is connected with the bottom end of a clip-shaped circulating pipe (7); the heat exchanger connecting pipe (11) and the flushing main pipe (5) are equal in length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222059267.0U CN218329518U (en) | 2022-08-05 | 2022-08-05 | Pulse back-flushing cleaning device for heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222059267.0U CN218329518U (en) | 2022-08-05 | 2022-08-05 | Pulse back-flushing cleaning device for heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218329518U true CN218329518U (en) | 2023-01-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222059267.0U Active CN218329518U (en) | 2022-08-05 | 2022-08-05 | Pulse back-flushing cleaning device for heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218329518U (en) |
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2022
- 2022-08-05 CN CN202222059267.0U patent/CN218329518U/en active Active
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