CN213833678U - Suction system, vehicle-mounted equipment and skid-mounted equipment - Google Patents

Abstract

The utility model provides a suction system, mobile unit and sled dress equipment, suction system includes vacuum cavity structure, vacuum pump, first cyclone, first control valve and second control valve, the vacuum cavity structure be suitable for with external atmosphere intercommunication, the vacuum pump first control valve and first cyclone's first gas port intercommunication, the vacuum cavity structure the second control valve and first cyclone's second gas port intercommunication. The utility model has the advantages that: the vacuum pump can be operated more stably, the maintenance time and the maintenance cost of the suction system are saved, and the service life is prolonged.

Description

Suction system, vehicle-mounted equipment and skid-mounted equipment

Technical Field

The utility model relates to a suction car technical field particularly, relates to a suction system, mobile unit and sled dress equipment.

Background

The existing suction vehicle mostly adopts a vacuum pump to provide a certain vacuum degree and gas flow for a vacuum system, water mist and dust exist in the air of the vacuum system, the vacuum pump is prevented from being damaged, a filtering system is additionally arranged in front of the vacuum pump, the filtering system is generally dry, for example, a paper or polyurethane air filter is adopted for filtering, so that the water mist and the dust in the air are treated, and the dry air filter has the defects of easy blockage, easy adhesion, short service life and the like, so that the maintenance time and the maintenance cost are increased.

SUMMERY OF THE UTILITY MODEL

The utility model provides a problem how to make the vacuum pump move more steadily, save suction system's maintenance time and maintenance cost to and how to improve life.

In order to solve the above problem, the utility model provides a suction system, including vacuum cavity structure, vacuum pump, first cyclone, first control valve and second control valve, the vacuum cavity structure be suitable for with external atmosphere intercommunication, the vacuum pump first control valve and first cyclone's first gas port intercommunication, the vacuum cavity structure the second control valve and first cyclone's second gas port intercommunication.

Further, the cyclone separator further comprises a first hopper, and the discharge port of the first cyclone separator is communicated with the first hopper.

The pipeline between the first air port of the first cyclone separator and the first control valve is suitable for being communicated with the outside atmosphere through the first pipeline, the first hopper is communicated with the vacuum cavity structure, and the fourth control valve is located at the pipeline between the first hopper and the vacuum cavity structure.

Further, the cyclone separator further comprises a first precision filter, and the first precision filter is positioned at a pipeline between the first air port of the first cyclone separator and the first control valve.

Further, the first fine filter is also located at the pipeline between the first air port of the first cyclone separator and the first pipeline.

The vacuum chamber structure further comprises a second cyclone separator, a fifth control valve and a sixth control valve, wherein the vacuum pump, the fifth control valve and a first air port of the second cyclone separator are communicated, and the vacuum chamber structure, the sixth control valve and a second air port of the second cyclone separator are communicated.

The vacuum chamber structure is characterized by further comprising a second hopper, a second pipeline, a seventh control valve and an eighth control valve, wherein the seventh control valve and the eighth control valve are positioned at the second pipeline, the pipeline between the first air port of the second cyclone separator and the fifth control valve is suitable for being communicated with the outside atmosphere through the second pipeline, the discharge port of the second cyclone separator, the second hopper and the vacuum chamber structure are communicated, and the eighth control valve is positioned at the pipeline between the second hopper and the vacuum chamber structure.

Further, the cyclone separator further comprises a second precision filter, the second precision filter is positioned at a pipeline between the first air port of the second cyclone separator and the fifth control valve, and the second precision filter is positioned at a pipeline between the first air port of the second cyclone separator and the second pipeline.

The utility model has the advantages that: the vacuum pump, the first control valve and the first air port of the first cyclone separator are communicated, the first control valve is controlled to be opened, so that the first air port of the first cyclone separator is communicated with the vacuum pump, the first cyclone separator can be directly controlled to work when a subsequent vacuum pump runs, the air flow sequentially passes through the vacuum chamber structure, the second control valve and the second air port of the first cyclone separator, after clean air flow is formed under the action of the first cyclone separator, the clean air flow finally flows into the vacuum pump through the first control valve through the first air port of the first cyclone separator, so that the vacuum pump can run more stably, when dust is contained in the air flow, the dust separated by the air flow can be discharged from the discharge port of the first cyclone separator, therefore, the air flow is subjected to dust separation through the cyclone separator and is not easy to block, in addition, the understanding is that, when steam content is great in the air current, cyclone can also separate steam, reduces steam content and causes the influence with the operation that can avoid steam to vacuum pump equally, compares in carrying out the filtration of dust and steam through dry filter, can save the clearance maintenance and the change of consumptive material to this improves life, easy maintenance.

The utility model also provides an on-vehicle equipment, including the aforesaid suction system.

The embodiment of the utility model provides an in-vehicle equipment can realize each beneficial effect of above-mentioned suction system to because suction system provides dust removal/steam and suck-back row ash/drainage, and have simpler suck-back row ash/drainage structures, can make in-vehicle equipment's volume littleer with this, can be applicable to the vehicle with this better, and save vehicle space.

The utility model also provides a sled dress equipment, including the aforesaid suction system.

The embodiment of the utility model provides an in skid-mounted equipment can realize each beneficial effect of above-mentioned suction system, no longer gives unnecessary details here.

Drawings

Fig. 1 is a schematic structural diagram of a suction system according to an embodiment of the present invention;

fig. 2 is a schematic view of a suction system according to an embodiment of the present invention during dust removal by suction;

fig. 3 is a first schematic view of a suction system according to an embodiment of the present invention during dust removal by suction and dust removal by blowback;

fig. 4 is a second schematic diagram of the suction system according to the embodiment of the present invention during dust removal by suction and dust discharge by blowback.

Description of reference numerals:

1-a vacuum pump; 3-a seventh control valve; 4-a fifth control valve; 5-a second precision filter; 6-a second cyclone separator; 7-an eighth control valve; 8-a sixth control valve; 9-a first control valve; 10-a third control valve; 11-a first precision filter; 12-a first cyclone separator; 13-a fourth control valve; 14-a second control valve; 15-vacuum chamber structure; 16-the trachea; 17-a first hopper; 18-a second hopper; 19-a first conduit; 20-second line.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.

It is noted that the terms "first," "second," and the like in the description and claims of the present invention and in the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be a mechanical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description herein, references to the description of the terms "an example," "one example," and "one implementation," etc., mean that a particular feature, structure, material, or characteristic described in connection with the example or implementation is included in at least one example or implementation of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or implementation. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or implementations.

In the description of fig. 2-4, having an "x" designation at the control valve indicates that the control valve is in a closed state, and otherwise indicates that the control valve is in an open state.

Referring to fig. 1 and 2, an embodiment of the present invention provides a pumping system, including a vacuum chamber structure 15, a vacuum pump 1, a first cyclone 12, a first control valve 9 and a second control valve 14, wherein the vacuum chamber structure 15 is adapted to communicate with the external atmosphere, the vacuum pump 1, the first control valve 9 and a first air port of the first cyclone 12 communicate, and the vacuum chamber structure 15, the second control valve 14 and a second air port of the first cyclone 12 communicate.

The existing suction vehicle mostly adopts a vacuum pump to provide a certain vacuum degree and gas flow for a vacuum system, water mist and dust exist in the air of the vacuum system, the vacuum pump is prevented from being damaged, a filtering system is additionally arranged in front of the vacuum pump, the filtering system is generally dry, for example, a paper or polyurethane air filter is adopted for filtering, so that the water mist and the dust in the air are treated, and the dry air filter has the defects of easy blockage, easy adhesion, short service life and the like, so that the maintenance time and the maintenance cost are increased.

In this embodiment, the suction system includes a vacuum chamber structure 15, a vacuum pump 1, a first cyclone 12, a first control valve 9 and a second control valve 14, wherein the vacuum chamber structure 15 is used for connecting with external atmosphere to receive external air, in the suction system, a negative pressure is formed between a pipeline of the suction system and the vacuum chamber structure 15 under the action of the vacuum pump 1, and system gas flows at a certain speed, so that solid materials can be sucked into the vacuum chamber structure 15 to perform suction of the suction system, wherein a part of the materials are suspended in the vacuum chamber structure 15 due to the action of wind force, in order to stably operate the vacuum pump 1, solid and liquid in the air during suction need to be separated to prevent the solid and liquid from flowing into the vacuum pump 1 to cause damage of the vacuum pump, wherein the first cyclone 12 can separate solid and liquid, the cyclone can rotate the solid-liquid mixed gas entering therein, the mixed gas comprises gas and solid and liquid, such as dust particles existing in a solid form, water vapor existing in a liquid form and the like, the mixed gas generates a rotating airflow, the solid and liquid continuously impact the conical cylinder wall of the cyclone separator under the action of centrifugal force and are paved, the solid and liquid are discharged from the discharge port of the cyclone separator under the action of gravity, so that the solid and liquid are separated and discharged from the gas, and the other clean air flows out from the other air port of the cyclone separator.

In this embodiment, each of the first cyclone 12 and the second cyclone 6 described below includes a first air port a, a second air port b, and a discharge port c, the second air port b is used for flowing in the mixed gas, the first air port a can allow the clean air flow processed by the cyclone to flow out and the supply air flow to flow back into the cyclone, and the discharge port c can lead out the separated dust and liquid. The first control valve 9 and the second control valve 14 are used for opening or closing the pipeline where the first control valve and the second control valve are located so as to control the flow condition of the air flow.

It should be noted that, in the present application, the vacuum pump 1 can control the vacuum degree of the pipeline in the whole pumping system through operation to form a negative pressure, and based on the action of the negative pressure, when the pipeline is communicated, the flowing gas flow can make the equipment such as the cyclone separator and the precision filter in the present application operate, therefore, in the present application, by controlling the state of the control valve, when the control valve is opened to make the pipeline circulate, the start-up of the cyclone separator and the precision filter can be indirectly controlled, for example, in the present embodiment, referring to fig. 2, the first control valve 9 is controlled to be opened, the first gas port a of the first cyclone separator 12 is communicated with the vacuum pump 1, the first cyclone separator 12 can be directly controlled to operate, wherein, when the first cyclone separator 12 operates, the second gas port b of the other gas port should also be in a state capable of flowing in the mixed gas, in this embodiment, the second control valve 14 is controlled to open, so that the vacuum chamber structure 15 is communicated with the second air port of the first cyclone 12, so that the vacuum pump 1 operates, the vacuum chamber structure 15 with negative pressure sucks in the material, specifically, in this embodiment, the air pipe 16 is connected to connect with the external atmosphere, so that the mixed gas sequentially passes through the vacuum chamber structure 15, the second control valve 14, and the second air port b of the first cyclone 12, and then forms a clean gas flow under the action of the first cyclone 12, and then the clean gas flow passes through the first air port a of the first cyclone 12 and finally flows into the vacuum pump 1 through the first control valve 9, so as to prevent the vacuum pump 1 from being damaged during operation, wherein the dust and water vapor separated by the mixed gas flow can be discharged from the discharge port c of the first cyclone 12, so that the suction system in this embodiment has a simple structure, when containing the dust in the air mixing flow, the discharge port c of first cyclone 12 can be followed to the dust of air separation discharges, with this, carry out the separation of dust with the air current through cyclone, difficult jam, when steam content is great in the air mixing flow, cyclone can also separate steam, reduce steam content and cause the influence with the operation that can avoid steam to vacuum pump 1 equally, compare in carrying out the filtration of dust and steam through dry filter, can save the clearance maintenance and the change of consumptive material, with this improvement life, easy maintenance.

In the following description, the mixed gas is mainly taken as the dust-containing gas for the detailed description, the cyclone separator separates dust from clean gas and can discharge the dust, it is understood that the present application is not limited to the treatment of the dust-containing gas, and the mixed gas includes other impurities such as water vapor, etc., the pumping system of the present application can be applied as well, for example, the wet material cyclone water vapor removal system of the pumping system of the present application can be applied to separate water vapor from gas mixed with water vapor in the material treatment.

In an alternative embodiment of the present invention, a first hopper 17 is further included, and the discharge port of the first cyclone 12 communicates with the first hopper 17.

Referring to fig. 1, when the first cyclone 12 is operated, the first cyclone 12 discharges dust through the discharge port c, and in this embodiment, by providing the first hopper 17, the first hopper 17 communicates with the discharge port c, and specifically, the first hopper 17 may be connected to the discharge port c of the first cyclone 12, so that the dust discharged from the discharge port c can be contained and collected by the first hopper 17, and the dust is prevented from being directly discharged into the external atmosphere.

In an optional embodiment of the present invention, the present invention further comprises a first pipeline 19, a third control valve 10 and a fourth control valve 13 located at the first pipeline 19, the first gas port of the first cyclone 12 and the pipeline between the first control valves 9 are adapted to communicate with the external atmosphere through the first pipeline 19, the first hopper 17 communicates with the vacuum chamber structure 15, and the fourth control valve 13 is located at the pipeline between the first hopper 17 and the vacuum chamber structure 15.

When adopting cyclone to carry out the dust separation, cyclone can cooperate charge level indicator and hopper to use, reach the highest value that the sensor set for when the material level, install the discharge valve of cyclone below just can the circular telegram and open the discharge capacity, the material level just begins to descend in the hopper, when the material level reduces the lowest value that the sensor set for, the discharge valve outage, seal the hopper by the material, so circulate, in order to arrange grey control, but adopt the discharge valve, the combination of charge level indicator is arranged the ash and can be leaded to the mechanism than many, the fault rate is high, occupation space is big simultaneously.

In this embodiment, referring to fig. 1, the pumping system further comprises a first pipeline 19 and a third control valve 10 located at the first pipeline 19, and the communication condition of the first pipeline 19 is controlled by controlling the opening or closing of the third control valve 10, wherein the pipeline between the first air port a of the first cyclone 12 and the first control valve 9 is adapted to be communicated with the external atmosphere through the first pipeline 19, specifically, one port of the first pipeline 19 is connected with the pipeline between the first air port a of the first cyclone 12 and the first control valve 9, and the other port of the first pipeline 19 is connected with the external atmosphere, it can be understood that, based on the operation of the vacuum pump 1 to make the system have negative pressure, when the third control valve 10 is opened, the air of the external atmosphere can be communicated with the pipeline flowing into the first air port a of the first cyclone 12 and the first control valve 9 through the first pipeline 19, in this embodiment, when the fourth control valve 13 is controlled to open to communicate the first hopper 17 with the vacuum chamber structure 15, the first pipeline 19, the first air port a of the first cyclone 12, the discharge port c of the first cyclone 12, the first hopper 17, the fourth control valve 13, and the vacuum chamber structure 15 form a passage, and when the vacuum pump 1 structure provides a negative pressure state to the pipeline of the suction system and the vacuum chamber structure 15 during specific operation, air can flow into the first air port a of the first cyclone 12 through the first pipeline 19 when the third control valve 10 is controlled to open, and further flow into the vacuum chamber structure 15 together with the residual dust in the first cyclone 12 and the dust in the first hopper 17 to process the dust, so as to communicate with the vacuum chamber structure 15 through the first hopper 17, and control the opening or closing of each control valve, so as to form the back suction dust discharging in the suction system, so as to suck the dust in the related pipeline in the suction system, the dust in the first cyclone separator 12 and the dust in the first hopper 17 into the vacuum cavity structure 15, so as to make the dust discharging more convenient and faster, and the system equipment is simpler, can be better miniaturized, so as to be applicable to various scenes, for example, apply to the vehicle-mounted equipment with limited installation space, and also can avoid the problems of easy damage and inconvenient maintenance caused by too many equipment.

In some embodiments, based on the utility model discloses suction system, opening or closing of the above-mentioned valve of accessible automatic control to automatic control removes dust and automatic control removes dust the row's ash after, with this facilitate the use, and the effect is not good when avoiding removing dust.

In addition, referring to fig. 4, when performing the back suction and ash discharge, the first control valve 9 and the second control valve 14 may be closed to prevent the air flow from flowing into the pipeline and the equipment behind the first control valve 9 and the second control valve 14 to prevent the pipeline and the equipment from being polluted.

In an optional embodiment of the present invention, the present invention further comprises a first precision filter 11, wherein the first precision filter 11 is located at the pipeline between the first gas port of the first cyclone 12 and the first control valve 9.

Referring to fig. 1, in the present embodiment, the pumping system further includes a first precision filter 11, and the first precision filter 11 has a stronger filtering function than the cyclone separator, wherein the first precision filter 11 is located at a pipeline between the first air port a of the first cyclone separator 12 and the first control valve 9, so that when the air is discharged from the first air port a of the first cyclone separator 12, the air can be further filtered by the first precision filter 11, so as to provide a cleaner air flow and better prevent the operation of the vacuum pump 1 from being damaged. Due to the separation and dust removal of the first cyclone separator 12, the first fine filter 11 only functions to separate the air after dust removal, thereby also improving the service life of the fine filter.

In an alternative embodiment of the present invention, the first fine filter 11 is further located at the pipeline between the first air port of the first cyclone 12 and the first pipeline 19.

In this embodiment, the specific position of the first precision filter 11 is also located at the pipeline between the first air port of the first cyclone 12 and the first pipeline 19, when the first precision filter 11 is used for filtering, dust remains on the first precision filter 11, at this time, when the third control valve 10 and the fourth control valve 13 are controlled to be opened for reverse suction and dust discharge, gas can pass through the first precision filter 11 to clean the dust on the first precision filter 11, so that the first precision filter 11 can be automatically cleaned and maintained, and the service life of the first precision filter 11 can be further prolonged.

In an optional embodiment of the present invention, the vacuum pump further comprises a second cyclone separator 6, a fifth control valve 4 and a sixth control valve 8, wherein the vacuum pump 1, the fifth control valve 4 and the first gas port of the second cyclone separator 6 are communicated, and the vacuum chamber structure 15, the sixth control valve 8 and the second gas port of the second cyclone separator 6 are communicated.

Referring to fig. 1, 2 and 4, in the present embodiment, the second cyclone separator 6 is provided to perform the dust separating process, specifically, the vacuum chamber structure 15, the second air port b of the second cyclone separator 6, the first air port a of the second cyclone separator 6 and the vacuum pump 1 are communicated by opening the fifth control valve 4 and the sixth control valve 8, so that the second cyclone separator 6 can perform the dust separation of the dust-containing gas flowing into it under the action of the vacuum pump, thereby providing the clean air flow, in the above embodiment, the first cyclone separator 12 can perform the dust separation to provide the clean air flow to the vacuum pump 1, and can perform the back suction and dust discharge when the third control valve 10 at the first pipeline 19 is activated, in the embodiment, the second cyclone separator 6, on the one hand, referring to fig. 2, can perform the dust removing separation simultaneously with the first cyclone separator 12, on the other hand, referring to fig. 4, when the first cyclone 12 and the pipeline where the first cyclone is located suck back and discharge ash, the second cyclone 6 separates the ash to provide clean air flow to the vacuum pump 1, so that the dust removal of the suction system can be kept constantly, and the ash is treated in the dust removal process, i.e. the system is cleaned and maintained, so that the operation efficiency can be improved, and the service life of the system can be prolonged. Meanwhile, when the second cyclone separator 6 separates dust, the vacuum chamber structure 15 is communicated with the first cyclone separator 12, so that the first cyclone separator 12 and the pipeline where the first cyclone separator is located can provide negative pressure more conveniently, the first cyclone separator 12 and the pipeline where the first cyclone separator is located suck back and discharge dust more conveniently, and the structure of the suction system is simpler.

In an optional embodiment of the present invention, the vacuum processing apparatus further comprises a second hopper 18, a second pipeline 20, a seventh control valve 3 and an eighth control valve 7 located at the second pipeline 20, wherein the first gas port of the second cyclone separator 6 and the pipeline between the fifth control valves 4 are adapted to communicate with the external atmosphere through the second pipeline 20, the discharge port of the second cyclone separator 6, the second hopper 18 and the vacuum chamber structure 15 communicate, and the eighth control valve 7 is located at the pipeline between the second hopper 18 and the vacuum chamber structure 15.

Referring to fig. 1-3, in this embodiment, the suction system further includes a second hopper 18, the second hopper 18 is used for receiving the discharged ash from the discharge port c of the second cyclone separator 6, and specifically, the second hopper 18 can be connected below the discharge port c of the second cyclone separator 6, so as to collect the ash, wherein the suction system further includes a second pipeline 20 and a seventh control valve 3 located at the second pipeline 20, the seventh control valve 3 is used for controlling the on-off of the second pipeline 20, one port of the second pipeline 20 is connected to the pipeline between the first air port a of the second cyclone separator 6 and the fifth control valve 4, the other port of the second pipeline 20 is connected to the outside atmosphere, so that when the seventh control valve 3 is opened, the gas of the outside atmosphere can flow into the first air port a of the second cyclone separator 6 through the second pipeline 20 under the action of the negative pressure of the suction system, also, by controlling the eighth control valve 7 to place the second hopper 18 in communication with the vacuum chamber structure 15, so that the airflow flowing out of the discharge port c of the second cyclone separator 6 can be discharged into the vacuum chamber structure 15 together with the dust in the second hopper 18, thereby forming the back suction and dust discharge of the second cyclone separator 6 and the pipeline thereof, thus, referring to fig. 3 and 4, in this embodiment, by controlling the opening or closing of the control valve, to selectively control one of the first cyclone 12 and the second cyclone 6 to perform dust separation, while the other cyclone separator and the pipeline thereof are used for back suction and dust discharge, so that the first cyclone separator 12 and the second cyclone separator 6 can be alternately used for dust discharge operation and dust removal operation, therefore, a better dust removal effect is ensured, the stable operation of the vacuum pump 1 is better ensured, and the service life of the system is prolonged.

Wherein, the opening and closing time of the controller can be automatically set to automatically control the dust removal and dust discharge of each cyclone separator, so that the cyclone separator is convenient to use.

Wherein the fifth control valve 4 is closed before the gas flows in, to avoid the flow of the external atmospheric gas into the vacuum pump 1.

In this embodiment, the second gas ports of the first cyclone 12 and the second cyclone 6 are respectively connected to the second control valve 14 and the sixth control valve 8 through a branch pipe, the second control valve 14 and the sixth control valve 8 are respectively connected to a main pipeline through a branch pipe, and the main pipeline is further connected to the vacuum chamber structure 15, so as to save the pipeline consumables at one time, and therefore, referring to fig. 3 and 4, when one of the first cyclone 12 and the second cyclone 6 performs dust separation and the other cyclone and the pipeline thereof performs reverse suction and dust discharge, the corresponding second control valve 14 or the corresponding sixth control valve 8 is opened or closed to avoid that the gas flow for dust discharge flows into the other cyclone after flowing from the cyclone to the main pipeline, which leads to increase the operation burden of the cyclone for dust separation, for example, referring to fig. 3, the sixth control valve 8 is closed and the second control valve 14 is opened, thereby preventing the ash stream from the second cyclone 6 from flowing into the first cyclone 12.

In an optional embodiment of the present invention, the present invention further comprises a second precision filter 5, the second precision filter 5 is located at the pipeline between the first gas port of the second cyclone separator 6 and the fifth control valve 4, and the second precision filter 5 is located at the pipeline between the first gas port of the second cyclone separator 6 and the second pipeline 20.

Referring to fig. 1 to 3, in the present embodiment, the pumping system further includes a second precision filter 5, and the second precision filter 5 has a stronger filtering function than the second cyclone separator 6, wherein the second precision filter 5 is located at the pipeline between the first air port a of the second cyclone separator 6 and the fifth control valve 4, so that when the air is discharged from the first air port a of the second cyclone separator 6, the air can be further filtered by the second precision filter 5, thereby providing a cleaner air flow, and further preventing the operation of the vacuum pump 1 from being damaged. Due to the separation and dust removal of the second cyclone separator 6, the second precision filter 5 only acts on the air after the separation and dust removal, so that the service life of the precision filter can be prolonged.

The specific position of the second precision filter 5 is also located at the pipeline between the first air port a of the second cyclone separator 6 and the second pipeline 20, when the second precision filter 5 filters, dust remains on the second precision filter 5, at this time, when the seventh control valve 3 and the eighth control valve 7 are controlled to be opened to suck and discharge dust reversely, air can pass through the second precision filter 5 to clean the dust on the second precision filter 5, so that the second precision filter 5 can be automatically cleaned and maintained, and the service life of the second precision filter 5 can be further prolonged.

In a related embodiment, the pumping system further comprises a controller, the controller is in communication with the control valves and can actively or automatically control the control valves according to the controller, for example, the controller is integrated with a timing control module to control the start or the stop of each control valve in a timing manner, so that the pumping system is more convenient to use.

In addition, can understand, the utility model discloses well suction system can regard as an air filtration system to use, and when dust pelletizing system separated solid phase such as dust and gas, clean air got into vacuum pump 1 to make vacuum pump 1 can normally work, vacuum pump 1 also can discharge clean air, with this can utilize to purify the space air.

The utility model discloses the on-vehicle equipment of another embodiment, include above-mentioned suction system.

The embodiment of the utility model provides an in-vehicle equipment can realize each beneficial effect of above-mentioned suction system to because suction system provides to remove dust and suck the row's ash backward, and have simpler suck the row's ash structure backward, can make in-vehicle equipment's volume littleer with this, can be applicable to the vehicle better with this, and save vehicle space.

The utility model discloses a skid-mounted equipment of another embodiment, include above-mentioned suction system.

The embodiment of the utility model provides an in skid-mounted equipment can realize each beneficial effect of above-mentioned suction system, and this no longer gives unnecessary details again.

Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the scope or spirit of the present invention, and the scope of the present invention is defined by the appended claims.

Claims (10)

1. A pumping system is characterized by comprising a vacuum cavity structure, a vacuum pump, a first cyclone separator, a first control valve and a second control valve, wherein the vacuum cavity structure is suitable for being communicated with the outside atmosphere, the vacuum pump, the first control valve and a first air port of the first cyclone separator are communicated, and the vacuum cavity structure, the second control valve and a second air port of the first cyclone separator are communicated.

2. The suction system of claim 1, further comprising a first hopper, the discharge outlet of the first cyclone being in communication with the first hopper.

3. The extraction system according to claim 2, further comprising a first conduit, a third control valve located at the first conduit, a fourth control valve, the conduit between the first gas port of the first cyclone and the first control valve being adapted to communicate with the ambient atmosphere via the first conduit, the first hopper being in communication with the vacuum chamber structure, the fourth control valve being located at the conduit between the first hopper and the vacuum chamber structure.

4. The suction system of claim 3, further comprising a first fine filter located at the conduit between the first air port of the first cyclone separator and the first control valve.

5. The suction system of claim 4, wherein the first fine filter is further located at the conduit between the first gas port of the first cyclone separator and the first conduit.

6. The pumping system of any of claims 3 to 5, further comprising a second cyclone, a fifth control valve and a sixth control valve, the vacuum pump, the fifth control valve and the first gas port of the second cyclone being in communication, the vacuum chamber structure, the sixth control valve and the second gas port of the second cyclone being in communication.

7. The aspiration system of claim 6, further comprising a second hopper, a second conduit, a seventh control valve located at the second conduit, an eighth control valve, the conduit between the first gas port of the second cyclone and the fifth control valve being adapted to communicate with the ambient atmosphere through the second conduit, the discharge outlet of the second cyclone, the second hopper, and the vacuum chamber structure communicating, the eighth control valve being located at the conduit between the second hopper and the vacuum chamber structure.

8. The suction system of claim 7, further comprising a second fine filter located at the conduit between the first gas port of the second cyclone and the fifth control valve, and the second fine filter is located at the conduit between the first gas port of the second cyclone and the second conduit.

9. An on-board unit, characterized in that it comprises a suction system according to any one of claims 1 to 8.

10. A skid, comprising a suction system as claimed in any one of claims 1 to 8.

Images