CN211855047U - Back flushing mechanism - Google Patents
Back flushing mechanism Download PDFInfo
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- CN211855047U CN211855047U CN202020145714.2U CN202020145714U CN211855047U CN 211855047 U CN211855047 U CN 211855047U CN 202020145714 U CN202020145714 U CN 202020145714U CN 211855047 U CN211855047 U CN 211855047U
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- plate cooler
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Abstract
The utility model discloses a backwashing mechanism, which comprises at least one backwashing device, wherein the backwashing device comprises a plate cooler, an input pipeline and an output pipeline, one end of the input pipeline is connected with the input end of the plate cooler, one end of the output pipeline is connected with the output end of the plate cooler, the input pipeline is provided with a first valve, the output pipeline is provided with a second valve, a first bypass pipeline is arranged between the input pipeline at the rear part of the liquid flow direction in the first valve and the output pipeline at the rear part of the liquid flow direction in the second valve, a second pipeline is arranged between the input pipeline at the front part of the liquid flow direction in the first valve and the output pipeline at the front part of the liquid flow direction in the second valve, the first bypass pipeline is provided with a third valve, the second bypass pipeline is provided with a fourth valve, the plate sheets in the plate cooler can be automatically washed, labor is saved, and heat exchange efficiency is improved.
Description
Technical Field
The utility model relates to an automatic field, especially back flush mechanism.
Background
At present, the plate cooler utilizes the contact point that the ripple structure was arranged, let fluidic under the not high condition of velocity of flow, form the turbulent flow, thereby can form radiating effect, this kind of neotype plate cooler has heat transfer efficiency height, compact structure uses aqueous medium to go on usually, nevertheless because mainly uses water to cool down, magazine or incrustation scale in aquatic can pollute the slab of plate cooler, the condition that leads to blockking up appears, for preventing above-mentioned condition appears, when daily use, the work that can stop plate cooler usually every a period of time, then wash plate cooler through the manual work, but this kind can influence heat exchange efficiency greatly.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model aims to provide a back flush mechanism can automatically wash the plate in the plate cooler, saves manpower, and improves heat exchange efficiency.
The utility model provides a technical scheme that its problem adopted is:
the back washing mechanism provided by the utility model comprises at least one back washing device, wherein the back washing device comprises a plate cooler, an input pipeline and an output pipeline, one end of the input pipeline is connected with the input end of the plate cooler, one end of the output pipeline is connected with the output end of the plate cooler, the input pipeline is provided with a first valve, the output pipeline is provided with a second valve, a first bypass line is provided between the inlet line behind the first valve in the direction of flow of liquid and the outlet line behind the second valve in the direction of flow of liquid, a second bypass duct is provided between the inlet duct in front of the first valve in the direction of flow of liquid and the outlet duct in front of the second valve in the direction of flow of liquid, and a third valve is arranged on the first bypass pipeline, and a fourth valve is arranged on the second bypass pipeline.
The back washing mechanism has the following beneficial effects: set up bypass line and valve on the liquid input pipeline of plate cooler and the output pipeline, provide the switching signal of valve by the pressure value of the liquid in the input pipeline of plate cooler, the valve can be opened when exceeding certain threshold value to through utilizing cooling water pump just can realize carrying out automatic back flush to the slab in the plate cooler, can use manpower sparingly, improve heat exchange efficiency.
Further, the first valve is a butterfly valve, the second valve is a butterfly valve, the third valve is a butterfly valve, and the fourth valve is a butterfly valve and can adjust the opening and closing of liquid in the pipeline and the flow rate of the liquid through the butterfly valve.
Further, the butterfly valve is a pneumatic butterfly valve, and the pneumatic butterfly valve with a proper opening threshold value can be installed according to needs, so that automatic control is performed on the pipeline.
According to the back washing mechanism provided by the utility model, the first valve is closed according to the back washing requirement of the plate cooler, the second valve is closed according to the back washing requirement of the plate cooler, the third valve is opened according to the back washing requirement of the plate cooler, and the fourth valve is opened according to the back washing requirement of the plate cooler; when the plate cooler needs backwashing, the first valve and the second valve can be closed, and the third valve and the fourth valve can be opened, so that the flowing direction of liquid in the pipeline relative to the plate cooler is changed, and the backwashing effect is achieved.
According to the utility model provides a back flush mechanism, the input pipeline is provided with first temperature-detecting device, the output pipeline is provided with second temperature measuring device, can be according to the problem governing valve of the liquid in plate cooler input pipeline and the output pipeline to the liquid flow velocity in the adjustment pipeline satisfies temperature regulation's needs.
According to the utility model provides a back flush mechanism, the input pipeline is provided with first drainage device, can be with remaining useless liquid discharge in the input pipeline, improves the life of pipeline.
According to the utility model provides a back flush mechanism, first drainage device includes first drainage pipe and is provided with first switch on the first drainage pipe can be through the switching of first switch control first drainage pipe as required to the realization is to the emission of liquid in the pipeline.
According to the utility model provides a back flush mechanism, output pipeline is provided with first exhaust apparatus, can improve the efficiency of plate cooler with the gas outgoing in the output pipeline.
According to the utility model provides a back flush mechanism, first exhaust apparatus includes first exhaust duct and is provided with second switch on the first exhaust duct can pass through the switching of second switch control first exhaust duct as required to the realization is to the gas emission in the output pipeline.
According to the utility model provides a back flush mechanism still includes cooling water pump, the non of input pipeline with the one end that the input of plate cooler is connected with cooling water pump connects, and cooling water pump can cool off the liquid in the pipeline to improve plate cooler's cooling efficiency.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a schematic view of an embodiment of a backwash mechanism of the present invention;
fig. 2 is a schematic view of another embodiment of the backwashing mechanism of the present invention.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1, an embodiment of the present invention provides a backwashing mechanism including at least one backwashing device including a stave cooler 100, an input pipe 200, and an output pipe 300, one end of the input pipe 200 being connected to an input end of the stave cooler 100, one end of the output pipe 300 being connected to an output end of the stave cooler 100, the input pipe 200 being provided with a first valve 400, the output pipe 300 being provided with a second valve 500, a first bypass pipe 800 being provided between the input pipe 200 at a rear side of a liquid flow direction of the first valve 400 and the output pipe 300 at a rear side of the liquid flow direction of the second valve 500, a second bypass pipe 900 being provided between the input pipe 200 at a front side of the liquid flow direction of the first valve 400 and the output pipe 300 at a front side of the liquid flow direction of the second valve 500, the first bypass pipe 800 being provided with a third valve 600, the second bypass pipe 900 is provided with a fourth valve 700. The liquid input pipeline 200 and the liquid output pipeline 300 of the plate cooler 100 are provided with a bypass pipeline and a valve, the pressure value of the liquid in the input pipeline 200 of the plate cooler 100 provides a switching signal of the valve, and the valve is opened when a certain threshold value is exceeded, so that automatic back washing of plates in the plate cooler 100 can be realized by using the cooling water pump 1000, manpower can be saved, and heat exchange efficiency can be improved.
It should be noted that, referring to fig. 2, the backwashing mechanism includes a main input pipe 20, a main output pipe 30 and a plurality of backwashing devices 10, a cooling water pump 1000 is disposed in the main input pipe 20, an input pipe 200 of the plurality of backwashing devices 10 is communicated with the cooling water pump 1000 in the main input pipe 20, and an output pipe 300 of the plurality of backwashing devices 10 is communicated with the main output pipe 30. The cooling water pump 1000 may cool the liquid in the pipe, thereby improving the cooling efficiency of the stave cooler 100.
It should be noted that the first valve 400, the second valve 500, the third valve 600, and the fourth valve 700 may be butterfly valves, may be shut-off valves, or may be other valve devices for opening and closing the pipes and/or adjusting the flow rate of the liquid in the pipes.
For example: the first valve 400 is a butterfly valve, the second valve 500 is a butterfly valve, the third valve 600 is a butterfly valve, and the fourth valve 700 is a butterfly valve, so that the opening and closing of the liquid in the pipeline and the flow rate of the liquid can be adjusted by the butterfly valve.
The butterfly valve may be an electric butterfly valve, a pneumatic butterfly valve, a manual butterfly valve, or other butterfly valves, which are not listed here.
For example, the butterfly valve is a pneumatic butterfly valve, and a pneumatic butterfly valve with an appropriate opening threshold may be installed as needed, and when the third valve 600 and the fourth valve 700 are pneumatic butterfly valves and the opening threshold of the two valves is 0.5MPa, when the first valve 400 and the second valve 500 are closed, and the pressure value of the liquid in the bypass pipeline exceeds 0.5MPa, the third valve 600 and the fourth valve 700 are opened, so that the plate cooler 100 is backwashed, and an automatic control effect is achieved.
Referring to table 1, an embodiment of the present invention provides a back-washing mechanism, wherein the first valve 400 is closed according to the back-washing requirement of the plate cooler 100, the second valve 500 is closed according to the back-washing requirement of the plate cooler 100, the third valve 600 is opened according to the back-washing requirement of the plate cooler 100, and the fourth valve 700 is opened according to the back-washing requirement of the plate cooler 100; when the plate cooler 100 needs to be backwashed, the first valve 400 and the second valve 500 can be closed, and the third valve 600 and the fourth valve 700 can be opened, so that the flowing direction of the liquid in the pipeline relative to the plate cooler 100 is changed, and the backwashing effect is achieved.
| Valve name | Open and close condition (Normal work) | Opening and closing conditions (backwash) |
| |
Opening device | Closing device |
| |
Opening device | Closing device |
| |
Closing device | Opening device |
| |
Closing device | Opening device |
TABLE 1
An embodiment of the utility model provides a back flush mechanism, input pipeline 200 are provided with first temperature-detecting device, and output pipeline 300 is provided with second temperature-measuring device, can be according to the problem governing valve of the liquid in stave cooler 100 input pipeline 200 and the output pipeline 300 to the liquid flow velocity in the adjustment pipeline satisfies temperature regulation's needs.
The temperature measuring device may be a temperature sensor, a temperature tester, or another device for measuring temperature.
An embodiment of the utility model provides a back flush mechanism, input pipeline 200 are provided with first drainage device, can be with remaining useless liquid discharge in the input pipeline 200, improve the life of pipeline.
An embodiment of the utility model provides a back flush mechanism, first drainage device include first drainage pipeline and be provided with the first switch on the first drainage pipeline, can be according to the switching of using needs through first switch control first drainage pipeline to the realization is to the emission of liquid in the pipeline.
An embodiment of the utility model provides a back flush mechanism, output pipeline 300 are provided with first exhaust apparatus, can improve the efficiency of plate cooler 100 with the gas outgoing in output pipeline 300.
An embodiment of the utility model provides a back flush mechanism, first exhaust apparatus include first exhaust duct and be provided with the second switch on the first exhaust duct, can pass through the switching of second switch control first exhaust duct as required to the realization is to the gas emission in output pipeline 300.
Above, only the preferred embodiment of the present invention has been described, the present invention is not limited to the above embodiment, and the technical effects of the present invention can be achieved by the same means, which all belong to the protection scope of the present invention.
Claims (10)
1. The back flush mechanism is characterized in that: including at least one back washing unit, back washing unit includes plate cooler, input pipeline, output pipeline, the one end of input pipeline with plate cooler's input is connected, output pipeline's one end with plate cooler's output is connected, be provided with first valve on the input pipeline, be provided with the second valve on the output pipeline, be provided with first bypass pipeline between the input pipeline at the rear of the liquid flow direction in first valve and the output pipeline at the rear of the liquid flow direction in the second valve, be provided with the second by pass pipeline between the input pipeline in the place ahead of the liquid flow direction in first valve and the output pipeline in the place ahead of the liquid flow direction in the second valve, be provided with the third valve on the first by pass pipeline, be provided with the fourth valve on the second by pass pipeline.
2. The backwash mechanism as defined in claim 1, wherein: the first valve is a butterfly valve, the second valve is a butterfly valve, the third valve is a butterfly valve, and the fourth valve is a butterfly valve.
3. The backwash mechanism as defined in claim 2, wherein: the first valve is a pneumatic butterfly valve, the second valve is a pneumatic butterfly valve, the third valve is a pneumatic butterfly valve, and the fourth valve is a pneumatic butterfly valve.
4. The backwashing mechanism of any of claims 1 to 3, wherein: the first valve is closed according to the back washing requirement of the plate cooler, the second valve is closed according to the back washing requirement of the plate cooler, the third valve is opened according to the back washing requirement of the plate cooler, and the fourth valve is opened according to the back washing requirement of the plate cooler.
5. The backwash mechanism as defined in claim 1, wherein: the input pipeline is provided with a first temperature detection device, and the output pipeline is provided with a second temperature measurement device.
6. The backwash mechanism as defined in claim 1, wherein: the input pipeline is provided with a first drainage device.
7. The backwash mechanism as defined in claim 6, wherein: the first drainage device comprises a first drainage pipeline and a first switch arranged on the first drainage pipeline.
8. The backwash mechanism as defined in claim 1, wherein: the output pipeline is provided with a first exhaust device.
9. The backwash mechanism as defined in claim 8, wherein: the first exhaust device comprises a first exhaust pipeline and a second switch arranged on the first exhaust pipeline.
10. The backwash mechanism as defined in claim 1, wherein: the plate cooler is characterized by further comprising a cooling water pump, wherein one end of the input pipeline, which is not connected with the input end of the plate cooler, is connected with the cooling water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020145714.2U CN211855047U (en) | 2020-01-22 | 2020-01-22 | Back flushing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020145714.2U CN211855047U (en) | 2020-01-22 | 2020-01-22 | Back flushing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211855047U true CN211855047U (en) | 2020-11-03 |
Family
ID=73232645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020145714.2U Active CN211855047U (en) | 2020-01-22 | 2020-01-22 | Back flushing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211855047U (en) |
-
2020
- 2020-01-22 CN CN202020145714.2U patent/CN211855047U/en active Active
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