CN208431153U - A kind of plunger pump defroster - Google Patents
A kind of plunger pump defroster Download PDFInfo
- Publication number
- CN208431153U CN208431153U CN201821056876.8U CN201821056876U CN208431153U CN 208431153 U CN208431153 U CN 208431153U CN 201821056876 U CN201821056876 U CN 201821056876U CN 208431153 U CN208431153 U CN 208431153U
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- plunger pump
- control valve
- fluid reservoir
- pump
- control
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Abstract
The utility model relates to plunger pump technique field, especially a kind of plunger pump defroster.The plunger pump defroster include fluid reservoir, the tapping equipment for being discharged to the water in plunger pump, for connection fluid reservoir liquid outlet and plunger pump liquid feeding end injection branch and the inlet and plunger pump for connection fluid reservoir outlet end recycling branch, be provided with the first control valve on injection branch；When plunger pump stops operation; after control tapping equipment discharges the water in plunger pump; opening the first control valve makes fluid reservoir be filled with anti-icing fluid into plunger pump by injection branch; anti-frost protection of the plunger pump under low temperature, inoperative environment is realized, is solved the problems, such as since moisture can not be completely exhausted out caused plunger pump frost damege in plunger pump.
Description
Technical field
The utility model relates to plunger pump technique field, especially a kind of plunger pump defroster.
Background technique
Currently, the engineering trucks such as sanitation cart are indispensable environmental improvement tools in existing city, and in these engineerings
Plunger pump is provided in vehicle mostly, the work such as water supply for the engineering truck.Plunger pump preventing freeze in winter can be by column
Anti-icing fluid is added in the inside of plug pump, and to improve the antifreeze ability of plunger pump, and common plunger pump preventing freeze in winter measure is mainly
The moisture in plunger pump is blown out by pneumatic net pipe device, but such method can only alleviate plunger pump in low temperature to a certain extent
In the case of the degree endured cold, the moisture in the plunger compartment in plunger pump can not adequately be ejected, therefore can not be from root
Solve the problems, such as that plunger pump winter endures cold on source.But the moisture in plunger pump cannot empty, which results in low temperature in winter
In the case of, plunger pump easily frost damege causes plunger pump different degrees of damage occur.
Utility model content
The purpose of the utility model is to provide a kind of plunger pump defrosters, to solve since moisture can not in plunger pump
The problem of plunger pump frost damege caused by being completely exhausted out.
In order to realize anti-frost protection of the plunger pump under low temperature, inoperative environment, with solve due in plunger pump moisture without
The problem of plunger pump frost damege caused by method is completely exhausted out, the utility model provide a kind of plunger pump defroster, including storage
Flow container, the tapping equipment for being discharged to the water in plunger pump, for connection fluid reservoir liquid outlet and plunger pump into
The recycling branch of the outlet end of the injection branch at liquid end and the inlet and plunger pump for connection fluid reservoir, the injection branch
On be provided with the first control valve；When plunger pump stops operation, after control tapping equipment discharges the water in plunger pump, beat
Opening the first control valve makes fluid reservoir be filled with anti-icing fluid into plunger pump by injection branch.
Further, in order to quickly discharge to the water in plunger pump, the tapping equipment includes for connecting
The pneumatic net pipe unit of gas source and the pneumatic line for the pneumatic inlet end of net pipe unit and plunger pump of connection are connect, plunger pump is worked as
When stopping operation, after the pneumatic net pipe unit of control discharges the water in plunger pump, opening the first control valve keeps fluid reservoir logical
It crosses injection branch and is filled with anti-icing fluid into plunger pump.
Further, in order in the case where not increasing external drainage equipment, the draining of plunger pump, institute are realized as far as possible
Stating tapping equipment includes controller, and the output end of the controller connects the first control valve, and the output end of the controller is used for
Plunger pump is connected, when plunger pump stops operation, after the water in plunger pump is discharged in control plunger pump idle running, control first
Control valve opening makes fluid reservoir be filled with anti-icing fluid into plunger pump by injection branch.
Further, in order to realize the recycling of anti-icing fluid, and being switched fast for plunger pump working condition is realized, it is described
Recycling branch road is provided with self priming pump, when plunger pump starts operation, closes first control valve, and open self priming pump make by
Anti-icing fluid in plunger pump sucks fluid reservoir.
Further, it is recycled to avoid anti-icing fluid to be made up of self priming pump when anti-icing fluid is filled with, the self priming pump
Both ends have been arranged in parallel the second control valve, when plunger pump stops operation, after the water in plunger pump is discharged in control, open
First control valve and the second control valve make fluid reservoir be filled with anti-icing fluid into plunger pump by injection branch；When plunger pump starts to make
When industry, the first control valve and the second control valve are closed, and open self priming pump to make the anti-icing fluid in plunger pump sucking fluid reservoir.
Further, plunger pump leaks outside when being filled with anti-icing fluid in order to prevent, and the defroster further includes being used for
Connection plunger pumps out the outlet pipeline at the mouth of a river, is provided with third control valve on the outlet pipeline, when plunger pump stops operation,
After the water in plunger pump is discharged in control, it is also turn off third control valve.
Detailed description of the invention
Fig. 1 is a kind of connection schematic diagram of plunger pump defroster of embodiment 1；
Fig. 2 is a kind of connection schematic diagram of plunger pump defroster of embodiment 2.
Specific embodiment
The utility model is described in more detail with reference to the accompanying drawing.
Embodiment 1
The present embodiment 1 provides a kind of plunger pump defroster, as shown in Figure 1, the plunger pump defroster include fluid reservoir,
Tapping equipment for being discharged to the water in plunger pump, for connection fluid reservoir liquid outlet and plunger pump liquid feeding end
The recycling branch of the outlet end of injection branch and the inlet and plunger pump for connection fluid reservoir is provided on the injection branch
First control valve.First control valve can be to manually control, or solenoid valve is controlled by signal.
There are many rows that form, the present embodiment 1 provide for the above-mentioned tapping equipment for being discharged to the water in plunger pump
Putting device is controller, and preferably the output end of the controller connects the first control valve, and the controller communication connects plunger pump, with
The working condition of plunger pump is obtained and controls, the working condition of the plunger pump includes stopping, starting and dally etc..When plunger pump stops
Only when operation, the i.e. controllable plunger pump of controller continues after the idle running of setting time or multiple idle running are drained, control
Making the first control valve opening makes fluid reservoir be filled with anti-icing fluid into plunger pump by injection branch.
Above-mentioned controller can be the controller reset in environmental sanitation vehicles, or in former environmental sanitation vehicles
Controller preferably controls the controller of plunger pump work in original environmental sanitation vehicles.In addition, first control valve is preferably a kind of list
To valve, guarantee anti-icing fluid one-way circulation in anti-icing fluid circulation loop.
As shown in Figure 1, further the recycling branch road between the inlet and plunger pump of above-mentioned fluid reservoir is provided with
Self priming pump, the self priming pump can be to manually control, and can also connect the self priming pump by the output end of above controller and be controlled.When
When plunger pump starts operation, i.e. controllable first control valve of controller is closed, and controls self priming pump for the anti-icing fluid in plunger pump
Fluid reservoir is sucked, guarantees the normal work of plunger pump.
As shown in Figure 1, being arranged in parallel the second control valve at the both ends of self priming pump, which can be control manually
System, or a kind of solenoid valve connects the second control valve by the output end of controller and controlled, when plunger pump stops making
When industry, after controller controls plunger pump idle running draining, controlling the first control valve and the second control valve opening makes fluid reservoir pass through note
Enter in Zhi Luxiang plunger pump and is filled with anti-icing fluid；And when plunger pump starts operation, controller controls the first control valve and second
Control valve is closed, and controls self priming pump and the anti-icing fluid in plunger pump is sucked fluid reservoir.It is preferred that the second control valve is also check valve.
As shown in Figure 1, the defroster further includes the outlet pipeline for connecting the water outlet of plunger pump, on the outlet pipeline
It is provided with third control valve, which can be to manually control, and can also connect the third by the output end of controller
Control valve, when plunger pump stops operation, after control plunger pump idle running, also control third control valve is closed, antifreeze to guarantee
Liquid will not flow out.It is preferred that third control valve can also be check valve.
The course of work is as follows: the first control valve and the second control valve are in close state, and third control valve is in open shape
State, self priming pump are in off working state, and controller control plunger pump realization operates 3 seconds under idle conditions, and it is empty to repeat plunger pump
Turn operation 3~5 times, the moisture in plunger pump can be ejected to greatest extent.After pumping intracorporal moisture and being sufficiently discharged, column
Plug pump stops operation, and the first control valve and the second control valve are opened in control, closes third control valve, self priming pump is still in inoperative
State, at this moment the anti-icing fluid in fluid reservoir initially enters and is full of plunger pump, plays the role of anti-frost protection to plunger pump.
The plunger pump can be existing plunger pump, and there are two water inlet, two water outlets, designers on existing plunger pump
The import of anti-icing fluid can be directly connected to the water inlet i.e. liquid feeding end of a plunger pump according to installation space needs, this is practical
The protection scope of New Scheme is not limited by plunger pump interface quantity.
Moisture in plunger pump is discharged to greatest extent, anti-icing fluid is then full of by plunger by operation control valve again
Pump, plays the protection to plunger pump.Moisture in plunger pump is adequately discharged can also guarantee the pure of anti-icing fluid to greatest extent
Degree, extends the service life of anti-icing fluid.When plunger pump needs work, it need to first start self priming pump and take out the anti-icing fluid in plunger pump
Out, the related operation of plunger pump is then carried out again.
Embodiment 2
The present embodiment 2 provides a kind of plunger pump defroster, as shown in Fig. 2, the plunger pump defroster include fluid reservoir,
Tapping equipment for being discharged to the water in plunger pump, for connection fluid reservoir liquid outlet and plunger pump liquid feeding end
The recycling branch of the outlet end of injection branch and the inlet and plunger pump for connection fluid reservoir is provided on the injection branch
First control valve.First control valve can be to manually control, or solenoid valve carries out signal control.
The tapping equipment of the present embodiment 2, as shown in Fig. 2, being used to connect the pneumatic net pipe unit of gas source and for connection gas
The pneumatic line for moving the inlet end of net pipe unit and plunger pump controls pneumatic net pipe unit to column when plunger pump stops operation
Water in plug pump is discharged the pneumatic net pipe unit of i.e. control and is carried out after pneumatically purging, and opening the first control valve passes through fluid reservoir
Injection branch is filled with anti-icing fluid into plunger pump.
As shown in Fig. 2, further the recycling branch road between the inlet and plunger pump of above-mentioned fluid reservoir is provided with
Self priming pump, the self priming pump can be to manually control, or solenoid valve is controlled by signal.When plunger pump starts operation
When, the first control valve is closed, and open self priming pump and the anti-icing fluid in plunger pump is sucked into fluid reservoir, guarantees the normal work of plunger pump
Make.
As shown in Fig. 2, being arranged in parallel the second control valve at the both ends of self priming pump, which can be control manually
System, or solenoid valve is controlled by signal, when plunger pump stops operation, controls pneumatic net pipe unit to plunger pump
After being drained, opening the first control valve and the second control valve, to be filled with fluid reservoir into plunger pump by injection branch antifreeze
Liquid；And when plunger pump starts operation, the first control valve and the second control valve are closed, and opening self priming pump will be in plunger pump
Anti-icing fluid sucks fluid reservoir.It is preferred that the second control valve is also check valve.
As shown in Fig. 2, the defroster further includes the outlet pipeline for connecting the water outlet of plunger pump, on the outlet pipeline
It being provided with third control valve, which can be to manually control, or solenoid valve is controlled by signal, when
When plunger pump stops operation, after the pneumatic net pipe unit of control drains plunger pump, also carried out after closing third control valve
Anti-icing fluid is filled with, to guarantee that anti-icing fluid will not flow out.It is preferred that third control valve can also be check valve.
The plunger pump can be existing plunger pump, and there are two water inlet, two water outlets, designers on existing plunger pump
The import of the interface of tracheae and anti-icing fluid can be shared into a water inlet by a tee tube according to installation space needs
Mouthful, the import of the interface of tracheae and anti-icing fluid individually can also be connected on two water inlets respectively, the interface of water outlet and anti-
The outlet for freezing liquid shares a water outlet by a tee tube, can also be respectively by the outlet list of the interface of tracheae and anti-icing fluid
It is solely connected on two water outlets, if there are three or more water inlets or water outlets for plunger pump, can connect correspondingly,
Plunger pump interface quantity such as has altered, still within the protection scope of the present utility model.
The course of work is as follows: the first control valve and the second control valve are in close state, and third control valve is in open shape
State, self priming pump are in off working state, are first turned on gas source, and the pneumatic net pipe unit of controller control makes gas enter plunger pump,
By the effect of gas pressure, the pump housing is discharged in most of moisture in plunger pump.After a certain period of time, it is filled wait pump intracorporal moisture
Divide discharge, close gas source at this time, pneumatic net pipe unit stops working, and opens the first control valve and the second control valve, closing third
Control valve, self priming pump is still in off working state, and at this moment the anti-icing fluid in fluid reservoir initially enters and be full of plunger pump, to plunger
Pump up the effect of anti-frost protection.When plunger pump needs work, it need to first start self priming pump and extract the anti-icing fluid in plunger pump out, so
Carry out the related operation of plunger pump again afterwards.
Be presented above the utility model relates to specific embodiment, but the utility model is not limited to described reality
Apply mode.Under the thinking that the utility model provides, to above-mentioned by the way of being readily apparent that those skilled in the art
Technological means in embodiment is converted, is replaced, is modified, and play the role of and the utility model in relevant art hand
The purpose of utility model that section is essentially identical, realizes is also essentially identical, and the technical solution formed in this way is carried out to above-described embodiment
What fine tuning was formed, this technical solution is still fallen in the protection scope of the utility model.
Claims (6)
1. a kind of plunger pump defroster, which is characterized in that including fluid reservoir, the row for being discharged to the water in plunger pump
Put device, for connection fluid reservoir liquid outlet and plunger pump liquid feeding end injection branch and for the feed liquor of connection fluid reservoir
Mouthful and the outlet end of plunger pump recycling branch, be provided with the first control valve on the injection branch；When plunger pump stops operation
When, control tapping equipment the water in plunger pump is discharged after, open the first control valve make fluid reservoir by injection branch to
Anti-icing fluid is filled in plunger pump.
2. plunger pump defroster according to claim 1, which is characterized in that the tapping equipment includes for connecting gas
The pneumatic net pipe unit in source and pneumatic line for the pneumatic inlet end of net pipe unit and plunger pump of connection, when plunger pump stops
When operation, after the pneumatic net pipe unit of control discharges the water in plunger pump, opening the first control valve makes fluid reservoir pass through note
Enter in Zhi Luxiang plunger pump and is filled with anti-icing fluid.
3. plunger pump defroster according to claim 1, which is characterized in that the tapping equipment includes controller, institute
The output end for stating controller connects the first control valve, and the output end of the controller is for connecting plunger pump, when plunger pump stops
When operation, after the water in plunger pump is discharged in control plunger pump idle running, control the first control valve opening passes through fluid reservoir
Injection branch is filled with anti-icing fluid into plunger pump.
4. plunger pump defroster according to claim 1,2 or 3, which is characterized in that the recycling branch road is provided with
Self priming pump closes first control valve, and open self priming pump to make the anti-icing fluid in plunger pump when plunger pump starts operation
Suck fluid reservoir.
5. plunger pump defroster according to claim 4, which is characterized in that the both ends of the self priming pump have been arranged in parallel
Second control valve after the water in plunger pump is discharged in control, opens the first control valve and the when plunger pump stops operation
Two control valves make fluid reservoir be filled with anti-icing fluid into plunger pump by injection branch；When plunger pump starts operation, first is closed
Control valve and the second control valve, and open self priming pump make by plunger pump anti-icing fluid suck fluid reservoir.
6. plunger pump defroster according to claim 5, which is characterized in that the defroster further includes for connecting
The outlet pipeline of plunger pump water outlet is provided with third control valve on the outlet pipeline, when plunger pump stops operation, control
After discharging to the water in plunger pump, it is also turn off third control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821056876.8U CN208431153U (en) | 2018-07-03 | 2018-07-03 | A kind of plunger pump defroster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821056876.8U CN208431153U (en) | 2018-07-03 | 2018-07-03 | A kind of plunger pump defroster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208431153U true CN208431153U (en) | 2019-01-25 |
Family
ID=65097912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821056876.8U Expired - Fee Related CN208431153U (en) | 2018-07-03 | 2018-07-03 | A kind of plunger pump defroster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208431153U (en) |
-
2018
- 2018-07-03 CN CN201821056876.8U patent/CN208431153U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190125 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |