CN111842361A - Sampling pump cleaning device with automatic control function and cleaning method - Google Patents
Sampling pump cleaning device with automatic control function and cleaning method Download PDFInfo
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- CN111842361A CN111842361A CN202010783350.5A CN202010783350A CN111842361A CN 111842361 A CN111842361 A CN 111842361A CN 202010783350 A CN202010783350 A CN 202010783350A CN 111842361 A CN111842361 A CN 111842361A
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- 238000004140 cleaning Methods 0.000 title claims abstract description 225
- 238000005070 sampling Methods 0.000 title claims abstract description 208
- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 42
- 239000000243 solution Substances 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 238000010438 heat treatment Methods 0.000 claims description 18
- 238000007664 blowing Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims 1
- 239000012855 volatile organic compound Substances 0.000 description 39
- 239000007789 gas Substances 0.000 description 16
- 238000005406 washing Methods 0.000 description 13
- 230000007613 environmental effect Effects 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/02—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B5/00—Drying solid materials or objects by processes not involving the application of heat
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Microbiology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a sampling pump cleaning device with automatic control, which comprises: the cleaning device comprises a cleaning pipeline, a sampling pump and a cleaning pipeline, wherein a first end of the cleaning pipeline is connected with cleaning liquid, and a second end of the cleaning pipeline is connected with the sampling pump through an electric valve, wherein the cleaning liquid can be pumped into the sampling pump through the second end of the cleaning pipeline through one port of the electric valve and cleans the sampling pump; and the control unit is connected with the electric valve and is used for controlling the opening or closing of the electric valve. The invention relates to a device for cleaning a sampling pump, which is convenient and automatic to control. In addition, the invention also discloses a cleaning method of the sampling pump cleaning device with automatic control.
Description
Technical Field
The invention relates to the technical field of cleaning of sampling pumps of environmental atmosphere sampling equipment, in particular to a cleaning device and a cleaning method of a sampling pump with automatic control.
Background
1. Volatile organic compounds VOC sampling equipment mainly used environmental protection, the health, the work, the safety inspection, military affairs, scientific research, departments such as education are used for various volatile gaseous collection, gaseous VOC is gathered through the negative pressure that sampling pump work produced to the collection principle of general VOC sampling equipment, and still there are other pollutants in the gas of normal operating mode collection, lead to the sampling pump can remain the pollutant in the sampling pump in work, can cause the unstability of sampling pump flow after the accumulation, the damage, the condition such as gas leakage, cause serious influence to sampling equipment's normal work, so wash sampling pump and have very big meaning to sampling equipment's durability and practicality.
2. Traditional sampling equipment cleaning methods are through washing liquids such as artifical access alcohol at sampling air cock interface, and such cleaning process is very complicated, and the cleaning performance is not good moreover.
3. The whole sampling gas circuit that traditional cleaning methods need to wash sampling equipment easily forms the residue of washing liquid and pollutant, causes secondary pollution, influences the normal sampling work of VOC sampling equipment.
The VOC sampling equipment has the advantages that more circuit sensors can be connected in parallel in a sampling gas circuit, and the traditional cleaning mode has the risk that cleaning liquid permeates into electronic components of the sensors when cleaning is carried out, so that the accuracy and the service life of the sensors are influenced.
5. When the traditional cleaning mode of the sampling equipment is used for adjusting the cleaning pressure and the cleaning state, the response speed is low, the feedback time is long, and the cleaning flow of the sampling pump cannot be accurately controlled.
Therefore, there is a need for a cleaning apparatus and a cleaning method for an automatic control sampling pump that is convenient, thorough in cleaning, and capable of preventing secondary pollution.
Disclosure of Invention
The invention aims to provide a cleaning device and a cleaning method of a sampling pump with automatic control, which are convenient and rapid, can clean thoroughly and prevent secondary pollution.
In order to achieve the purpose, the technical scheme provided by the invention is as follows: there is provided a sampling pump cleaning device with automatic control, comprising:
the cleaning device comprises a cleaning pipeline, a sampling pump and a cleaning pipeline, wherein a first end of the cleaning pipeline is connected with cleaning liquid, and a second end of the cleaning pipeline is connected with the sampling pump through an electric valve, wherein the cleaning liquid can be pumped into the sampling pump through the second end of the cleaning pipeline through one port of the electric valve and cleans the sampling pump;
and the control unit is connected with the electric valve and is used for controlling the opening or closing of any port of the electric valve.
The first end of the cleaning pipeline is connected with a cleaning bottle which is used for containing the cleaning liquid.
The upper end of wasing the bottle is equipped with annotates liquid mouth and blow vent, it is right to annotate the liquid mouth be used for the washing bottle carries out the liquid feeding, the blow vent is used for realizing inside atmospheric pressure of washing bottle is the same with outside atmospheric pressure.
The electric valve is a first three-way electromagnetic valve, the first end of the first three-way electromagnetic valve is connected with the sampling pipeline, the second end of the first three-way electromagnetic valve is connected with the second end of the cleaning pipeline, and the third end of the first three-way electromagnetic valve is connected with the sampling pump.
Still include a bottom plate, the sampling pump install in on the bottom plate, the bottom plate still is equipped with a fixed station, the lower extreme fixed connection of wash bottle is in on the fixed station.
The fixed station is of a connector structure, the lower end of the fixed station is fixedly connected to the bottom plate, the upper end of the fixed station is connected with the lower end of the cleaning bottle, and the side end of the fixed station is connected with the first end of the cleaning pipeline.
The part of the cleaning pipeline close to the fixed platform is also provided with a second three-way electromagnetic valve, the first end and the second end of the second three-way electromagnetic valve are connected to the cleaning pipeline, and the third end of the second three-way electromagnetic valve is an air interface.
The cleaning bottle is characterized in that a heating unit and a temperature sensing unit are further arranged in the cleaning bottle, the heating unit is used for heating liquid or gas in the cleaning bottle, the temperature sensing unit is used for detecting temperature information of the liquid or gas in the cleaning bottle and feeding the detected temperature information back to the control unit, and the control unit adjusts the heating power of the heating unit according to the temperature information.
In order to achieve the above object, the present invention further provides the following technical solutions: the cleaning method of the sampling pump cleaning device with automatic control comprises the following steps:
(1) a preparation step, closing the sampling pipeline and opening the cleaning pipeline;
(2) cleaning solution cleaning, namely connecting a cleaning pipeline with cleaning solution, starting a sampling pump to extract the cleaning solution, enabling the cleaning solution to pass through the interior of the sampling pump, cleaning the sampling pump, and discharging the cleaning solution out of the sampling pump;
(3) a clear water cleaning step, after the cleaning solution cleaning step is finished, connecting the cleaning pipeline with clear water, starting the sampling pump to extract the clear water, enabling the clear water to pass through the interior of the sampling pump, cleaning the sampling pump, and discharging the clear water out of the sampling pump;
(4) and a dry blowing step, after the clear water cleaning step is finished, connecting the cleaning pipeline into air, starting the sampling pump to pump air, and drying the sampling pump by the air passing through the inside of the sampling pump.
In the dry blowing step, the air may be heated by passing through a heating device.
Compared with the prior art, the cleaning device and the cleaning method of the sampling pump with automatic control, provided by the invention, have the advantages that:
the invention adopts the electromagnetic regulating valve to control the cleaning pipeline, and can accurately clean the pollutants remained in the sampling pump.
The invention can adopt an STP singlechip automatic control system, has a one-key cleaning function on the page of the host, and is convenient for cleaning operation.
The invention can set different cleaning flows according to different environmental conditions and working conditions, thereby effectively improving the cleaning efficiency.
The cleaning process of the invention does not affect the sampling assembly, only cleans the internal structure of the sampling pump, has strong pertinence and high efficiency, and can greatly improve the durability and the working stability of the sampling pump.
The invention will become more apparent from the following description when taken in conjunction with the accompanying drawings, which illustrate embodiments of the invention.
Drawings
FIG. 1 is a schematic diagram of an embodiment of a sampling device.
FIG. 2 is a schematic diagram of one embodiment of the cleaning apparatus with an automatically controlled sample pump of the present invention.
FIG. 3 is another angled view of the cleaning apparatus of the automatically controlled sampling pump of FIG. 2.
Fig. 4 is a schematic view showing a connection structure of the cleaning bottle.
Detailed Description
Embodiments of the present invention will now be described with reference to the drawings, wherein like element numerals represent like elements.
Atmospheric sampling equipment, for example environmental atmosphere sampling equipment, smoke and dust flue gas sampling equipment, volatile organic compounds VOC sampling equipment etc. all need use the sampling pump, and the sampling pump is in the course of the work, can be by the gaseous material that contains of gathering, for example by the pollution of material such as VOC. After the sampling pump is polluted by substances such as VOC, gas sampled next time can be polluted, so that sampling is inaccurate, and the conditions of unstable flow, damage, gas leakage and the like of the sampling pump can be caused. Therefore, the timely cleaning of the sampling pump has great significance for ensuring the service life and the accuracy of the sampling equipment.
Fig. 1 shows a VOC sampling apparatus or VOC sampling device, a VOC sampler, etc., and generally, the VOC sampling apparatus includes: sampling pump and VOC collection device 3, the sampling pump provides power for the air current, and the air current passes through VOC collection device 3, and the VOC material in the air current can be collected by VOC collection device 3 to the realization is to the sampling of the VOC in the air current, and this disclosure does not describe in detail VOC collection device 3's specific structure.
Fig. 1 shows a conventional two-channel VOC sampling apparatus, which includes two VOC collecting devices 3 and two sampling pumps 2, so that if the sampling pumps need to be cleaned, both sampling pumps 3 need to be cleaned.
In one embodiment, referring to the cleaning apparatus 100 with an automatically controlled sampling pump of the present invention shown in fig. 2, the cleaning apparatus can be integrated inside the VOC sampling device shown in fig. 1, so that the sampling pump needs to be cleaned periodically according to the use specification during the use of the sold VOC sampling device, and if the sampling pump needs to be cleaned, the VOC sampling device has an automatically controlled sampling pump cleaning apparatus, so that the cleaning apparatus has low operation difficulty, is easy and convenient to clean, and is thorough in use.
As described above, with reference to fig. 2, the present invention provides a sampling pump cleaning apparatus 100 with automatic control, comprising:
the bottom plate 1, the bottom plate 1 may be an aluminum substrate, the bottom plate 1 is fixed inside a casing of, for example, a VOC sampling apparatus, and the bottom plate 1 is used for installing a sampling pump 2 and a VOC collecting device 3.
Since the embodiment shown in fig. 1 provides a two-channel VOC sampling apparatus, which includes two sampling pumps 2 and two VOC collecting devices 3, the embodiment shown in fig. 2 provides a sampling pump cleaning device 100 with automatic control, which can clean two sampling pumps 2 at the same time, in order to improve the working efficiency.
Referring to the embodiment shown in fig. 2, the sampled gas enters the sampling pump 2 after passing through the VOC collecting device 3, the first section of sampling pipeline 4, the second section of sampling pipeline 5, and then is discharged through the exhaust pipeline 6, wherein the sampling pump 2 provides airflow power for the sampled gas, and the rotational power of the sampling pump 2 is provided by the motor 8 below the sampling pump 2. Specifically, the first sampling pipeline 4 is connected to the VOC collecting device 3, that is, in the first sampling pipeline 4, the VOC in the air flow is collected by the VOC collecting device 3, so as to realize sampling of the VOC. A cleaning pipeline 9, a first end of the cleaning pipeline 9 is connected with a cleaning liquid, a second end of the cleaning pipeline 9 is connected with the sampling pump 2 through an electric valve 7, wherein the cleaning liquid can be pumped into the sampling pump 2 through the second end of the cleaning pipeline 9 through one port of the electric valve 7 and cleans the sampling pump 2;
specifically, when the sampling pump 2 is cleaned, the VOC collecting device 3 is stopped, and therefore, the sampling gas flow is not generated in the first sampling pipe 4. The cleaning liquid enters the sampling pump 2 after passing through the cleaning pipeline 9 and the second section sampling pipeline 5 and is discharged through the exhaust pipeline 6, wherein the cleaning liquid automatically cleans the second section sampling pipeline 5 and the sampling pump 2 when passing through the second section sampling pipeline 5 and the sampling pump 2.
When the VOC sampling equipment performs VOC sampling, the second sampling pipe 5 and the exhaust pipe 6 are pipes through which the sampling gas passes; when the sampling pump 2 is cleaned, the second sampling line 5 and the exhaust line 6 are lines through which a cleaning liquid passes.
The electric valve 7 is used for selecting whether the second sampling pipeline 5 is communicated with the first section sampling pipeline 4 or communicated with the cleaning pipeline 9. Specifically, when sampling VOC, the second sampling pipeline 5 is communicated with the first section of sampling pipeline 4; when the sampling pump 2 is cleaned, the second sampling pipeline 5 is communicated with the cleaning pipeline 9.
A control unit (not shown in the figure) connected to the electric valve 7 and used for controlling the opening or closing of any port of the electric valve 7.
In one embodiment, the control unit may be an STP single chip, and a one-key washing function may be set on a page of the host.
If a one-key cleaning function is pressed on the host page, the specific cleaning steps are as follows:
the first step is as follows: the STP single chip stops the work of the sampling pump, the ports of the electric valve 7 communicated with the second sampling pipeline 5 and the cleaning pipeline 9 are opened, and the port of the electric valve 7 communicated with the first section of the sampling pipeline 4 is closed;
the second step is that: the STP single chip machine starts the sampling pump 2 to work, and at the moment, the sampling pump 2 starts to be cleaned, the cleaning liquid is driven by the sampling pump 2 to enter the sampling pump 2 through the cleaning pipeline 9 and the second sampling pipeline 5, and then is discharged from the exhaust pipeline 6, so that the sampling pump 2 is cleaned, and the cleaning process of the sampling pump 2 is described in detail below.
In one embodiment, referring to fig. 2, a cleaning bottle 10 is connected to a first end of the cleaning pipeline 9, and the cleaning bottle 10 is used for containing the cleaning liquid.
Different cleaning liquids can be contained in the cleaning bottle 10 according to different cleaning requirements, and one of the cleaning liquids is alcohol which is frequently used.
In the embodiment shown in fig. 2, the upper end of the washing bottle 10 is provided with an injection port 11 and a vent 12, the injection port 11 is used for injecting liquid into the washing bottle 10, and the vent 12 is used for realizing the same internal air pressure and external atmospheric pressure of the washing bottle 10.
For example, when the cleaning liquid needs to be filled into the cleaning bottle 10, the cleaning liquid is filled through the liquid filling port 11, and when the gas in the cleaning bottle 10 needs to be discharged during the filling process of the cleaning liquid, the gas is discharged from the vent hole 12; similarly, when the sampling pump 2 is cleaned, the external atmosphere supplements the air pressure to the cleaning bottle 10 through the vent hole 12, so that the internal air pressure of the cleaning bottle 10 is the same as the external atmosphere pressure.
In one embodiment, the electric valve 7 is a first three-way electromagnetic valve, and a first end of the first three-way electromagnetic valve is connected to the sampling pipeline, specifically, as shown in the embodiment shown in fig. 2, a first end of the first three-way electromagnetic valve is connected to the first section of the sampling pipeline 4;
a second end of the first three-way solenoid valve is connected to a second end of the cleaning pipeline 9, specifically, as shown in the embodiment shown in fig. 2, the second end of the first three-way solenoid valve is connected to the second end of the cleaning pipeline 9;
the third end of the first three-way electromagnetic valve is connected with the sampling pump 2, specifically, as shown in the embodiment shown in fig. 2, the third end of the first three-way electromagnetic valve is connected with the second section of sampling pipeline 5, and then is connected with the sampling pump 2 through the second section of sampling pipeline 5.
In one embodiment, the device further comprises a bottom plate 1, the sampling pump 2 is mounted on the bottom plate 1, the bottom plate 1 is further provided with a fixed platform, and the lower end of the cleaning bottle 10 is fixedly connected to the fixed platform 13. In this embodiment, the fixing table 13 is used to fixedly mount the washing bottle 10 on the bottom plate 1.
In one embodiment, referring to fig. 3, as an extension of the previous embodiment, the fixing platform 13 is a connecting head structure, the lower end of the fixing platform 13 is fixedly connected to the bottom plate 1, the upper end of the fixing platform 13 is connected to the lower end of the cleaning bottle 10, and the side end of the fixing platform 13 is connected to the first end of the cleaning pipeline 9. In this embodiment, the upper end of the fixing table 13 may be configured to have an internal thread, the lower end of the cleaning bottle 10 may be configured to have an external thread, the two structures are in a sealing connection through a thread fit, and the upper end and the side end of the fixing table 13 are in a through structure, so that the cleaning liquid in the cleaning bottle 10 may flow through the side end of the fixing table 13 through the upper end of the fixing table 13, and the side end of the fixing table 13 and the first end of the cleaning pipeline 9 may also be in a sealing connection through a connection structure such as a plug connection or a thread connection.
Referring to fig. 4, in the embodiment, a second three-way solenoid valve 14 is further disposed on a portion of the cleaning pipeline 9 close to the fixing station 13, a first end and a second end of the second three-way solenoid valve 14 are connected to the cleaning pipeline 9, when the cleaning solution flows through the cleaning pipeline 9 from the cleaning bottle 10, the cleaning solution passes through the first end and the second end of the second three-way solenoid valve 14, and a third end of the second three-way solenoid valve 14 is an air interface. In an embodiment, after the sampling pump 2 is cleaned by using the cleaning solution, the first end of the second three-way electromagnetic valve 14 is closed, the second end and the third end of the second three-way electromagnetic valve 14 are opened, that is, the air interface is opened, at this time, the sampling pump 2 is started to operate, a negative pressure is formed at the third end of the second three-way electromagnetic valve, that is, the cleaning pipeline 9 pumps air through the sampling pump 2, and the cleaning pipeline 9, the second section of the sampling pipeline 5, the interior of the sampling pump 2, and the exhaust pipeline 6 are air-dried.
It should be noted that, in the technical terms involved in the present disclosure: the electric valve 17 is a first three-way electromagnetic valve; and a second three-way electromagnetic valve 14 is arranged at the part of the cleaning pipeline 9 close to the fixed platform 13. The first three-way solenoid valve and the second three-way solenoid valve may be solenoid valves of the same type, and the functions of "first" and "second" are only used for better distinguishing in description and are not distinguished in primary and secondary ways.
In one embodiment, referring to fig. 3, a heating unit 15 and a temperature sensing unit 16 are further disposed in the cleaning bottle 10, the heating unit 15 is configured to heat the liquid or gas in the cleaning bottle 10, the temperature sensing unit 16 is configured to detect temperature information of the liquid or gas in the cleaning bottle 10 and feed back the detected temperature information to the control unit, and the control unit adjusts the magnitude of the heating power of the heating unit 15 according to the temperature information.
In the above embodiment, in order to better clean the sampling pump 2, the cleaning liquid may be heated to a suitable temperature under the condition of standard use, so as to improve the cleaning effect; or treat that the washing liquid washs after the completion, sampling pump 2 can continue to work, and the air in the washing bottle 10 (washing bottle 10 and external atmosphere intercommunication) is washd in the extraction this moment to air-dry pipeline and sampling pump 2 insides through the air, heating element 15 can be to getting into wash the air in the bottle 10 and heat, improve the temperature of air, in order to promote air-dried effect.
In order to achieve the above object, the present invention further provides the following technical solutions: there is provided a method of cleaning with an automatically controlled sample pump cleaning device, in one embodiment, the method of cleaning with an automatically controlled sample pump cleaning device comprises the steps of:
for convenience of explanation, reference may be made to fig. 2:
(1) a preparation step, closing the sampling pipeline and opening the cleaning pipeline;
in the step (1), the VOC collecting device 3 is in a working ending state, and the equipment enters a state of a sampling pump to be cleaned. And closing the sampling pipeline, specifically, the control unit can be an STP singlechip, and the STP singlechip opens the port of the electric valve 7 communicated with the second sampling pipeline 5 and the cleaning pipeline 9 and closes the port of the electric valve 7 communicated with the first section of sampling pipeline 4, so that the steps of closing the sampling pipeline and opening the cleaning pipeline are completed.
(2) A cleaning liquid cleaning step, namely, connecting the cleaning pipeline 9 into a cleaning liquid, starting a sampling pump 2 to extract the cleaning liquid, enabling the cleaning liquid to pass through the interior of the sampling pump 2, cleaning the sampling pump 2, and discharging the cleaning liquid out of the sampling pump 2; in this step, specifically, the cleaning solution is loaded into the cleaning bottle 10, the first end of the cleaning pipeline 9 is connected to the cleaning bottle 10, the second end is connected to the sampling pump 2 through the electric valve 7 and the second section of sampling pipe 5, and the sampling pump 2 is cleaned through the process of extracting the cleaning solution.
(3) A clear water cleaning step, after the cleaning solution cleaning step is finished, the cleaning pipeline 9 is connected with clear water, the sampling pump 2 is started to pump the clear water, the clear water passes through the interior of the sampling pump 2, the sampling pump 2 is cleaned, the clear water is discharged out of the sampling pump 2, and therefore the cleaning step of the sampling pump 2 is completed;
in this step, the residual cleaning liquid is removed from the interior of the pipeline and the sampling pump 2, so that the pipeline and the sampling pump 2 are prevented from secondary pollution.
(4) And a dry blowing step, after the clear water cleaning step is finished, connecting the cleaning pipeline 9 with air, starting the sampling pump 2 to pump air, and drying the sampling pump by the air passing through the inside of the sampling pump 2.
In this step, after the clear water washing step is finished, the sampling pump 2 may directly and continuously operate, and at this time, the sampling pump 2 extracts air, and the pipeline and the inside of the sampling pump 2 are air-dried by the air.
In one embodiment, in the dry blowing step, the air may be heated by passing through a heating device. Through the air of intensification, can air-dry in the pipeline more fast.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, therefore, the present invention is not limited by the appended claims.
Claims (10)
1. The utility model provides a sampling pump belt cleaning device with automatic control which characterized in that includes:
the cleaning device comprises a cleaning pipeline, a sampling pump and a cleaning pipeline, wherein a first end of the cleaning pipeline is connected with cleaning liquid, and a second end of the cleaning pipeline is connected with the sampling pump through an electric valve, wherein the cleaning liquid can be pumped into the sampling pump through the second end of the cleaning pipeline through one port of the electric valve and cleans the sampling pump;
and the control unit is connected with the electric valve and is used for controlling the opening or closing of any port of the electric valve.
2. The apparatus of claim 1, wherein a cleaning bottle is connected to the first end of the cleaning line, the cleaning bottle containing the cleaning fluid.
3. The cleaning device for the sampling pump with the automatic control as claimed in claim 2, wherein the upper end of the cleaning bottle is provided with an injection port and a vent port, the injection port is used for filling the cleaning bottle, and the vent port is used for realizing the same internal air pressure and external atmospheric pressure of the cleaning bottle.
4. The cleaning device for the sampling pump with the automatic control function as claimed in claim 1, wherein the electric valve is a first three-way solenoid valve, a first end of the first three-way solenoid valve is connected with the sampling pipeline, a second end of the first three-way solenoid valve is connected with a second end of the cleaning pipeline, and a third end of the first three-way solenoid valve is connected with the sampling pump.
5. The apparatus of claim 1, further comprising a base plate, wherein the sampling pump is mounted on the base plate, the base plate further comprising a mounting platform, and wherein the lower end of the cleaning bottle is fixedly connected to the mounting platform.
6. The apparatus for cleaning a sampling pump with automatic control of claim 1, wherein the fixing table is a connector structure, the lower end of the fixing table is fixedly connected to the bottom plate, the upper end of the fixing table is connected to the lower end of the cleaning bottle, and the side end of the fixing table is connected to the first end of the cleaning pipeline.
7. The apparatus for cleaning a sampling pump with automatic control of claim 6, wherein the portion of the cleaning pipeline close to the fixed table is further provided with a second three-way solenoid valve, the first end and the second end of the second three-way solenoid valve are connected to the cleaning pipeline, and the third end of the second three-way solenoid valve is an air interface.
8. The cleaning device for the sampling pump with the automatic control function according to claim 2, wherein a heating unit and a temperature sensing unit are further arranged in the cleaning bottle, the heating unit is used for heating the liquid or the gas in the cleaning bottle, the temperature sensing unit is used for detecting the temperature information of the liquid or the gas in the cleaning bottle and feeding back the detected temperature information to the control unit, and the control unit adjusts the heating power of the heating unit according to the temperature information.
9. A cleaning method of a sampling pump cleaning device with automatic control is characterized by comprising the following steps:
(1) a preparation step, closing the sampling pipeline and opening the cleaning pipeline;
(2) cleaning solution cleaning, namely connecting a cleaning pipeline with cleaning solution, starting a sampling pump to extract the cleaning solution, enabling the cleaning solution to pass through the interior of the sampling pump, cleaning the sampling pump, and discharging the cleaning solution out of the sampling pump;
(3) a clear water cleaning step, after the cleaning solution cleaning step is finished, connecting the cleaning pipeline with clear water, starting the sampling pump to extract the clear water, enabling the clear water to pass through the interior of the sampling pump, cleaning the sampling pump, and discharging the clear water out of the sampling pump;
(4) and a dry blowing step, after the clear water cleaning step is finished, connecting the cleaning pipeline into air, starting the sampling pump to pump air, and drying the sampling pump by the air passing through the inside of the sampling pump.
10. The method of claim 9, wherein the air is heated by a heating device during the dry-blowing step.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010783350.5A CN111842361A (en) | 2020-08-06 | 2020-08-06 | Sampling pump cleaning device with automatic control function and cleaning method |
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| CN202010783350.5A CN111842361A (en) | 2020-08-06 | 2020-08-06 | Sampling pump cleaning device with automatic control function and cleaning method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114210635A (en) * | 2021-11-10 | 2022-03-22 | 苏州科瑞达智能科技有限公司 | Automatic cleaning machine for cleaning pump and cleaning method |
| CN115839868A (en) * | 2022-10-27 | 2023-03-24 | 山东冽泉环保工程咨询有限公司 | Anti-cleaning head matched with targeted sampling device |
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| CN114210635A (en) * | 2021-11-10 | 2022-03-22 | 苏州科瑞达智能科技有限公司 | Automatic cleaning machine for cleaning pump and cleaning method |
| CN115839868A (en) * | 2022-10-27 | 2023-03-24 | 山东冽泉环保工程咨询有限公司 | Anti-cleaning head matched with targeted sampling device |
| CN115839868B (en) * | 2022-10-27 | 2024-01-12 | 山东冽泉环保工程咨询有限公司 | Back-cleaning head matched with target sampling device |
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