CN113581055B - Anti-blocking device and double-pressure tank car - Google Patents
Anti-blocking device and double-pressure tank car Download PDFInfo
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- CN113581055B CN113581055B CN202110880041.4A CN202110880041A CN113581055B CN 113581055 B CN113581055 B CN 113581055B CN 202110880041 A CN202110880041 A CN 202110880041A CN 113581055 B CN113581055 B CN 113581055B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
- B60P3/22—Tank vehicles
- B60P3/224—Tank vehicles comprising auxiliary devices, e.g. for unloading or level indicating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/54—Large containers characterised by means facilitating filling or emptying
- B65D88/64—Large containers characterised by means facilitating filling or emptying preventing bridge formation
- B65D88/70—Large containers characterised by means facilitating filling or emptying preventing bridge formation using fluid jets
- B65D88/703—Air blowing devices, i.e. devices for the sudden introduction of compressed air into the container
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Abstract
The invention relates to the technical field of double-pressure tank trucks, and particularly discloses an anti-blocking device and a double-pressure tank truck. The main pipeline is used for discharging materials along a first direction, and a first flowmeter, a second flowmeter and a third flowmeter are sequentially arranged on the main pipeline along the first direction. In the blowing-assisting assembly, a main gas source is used for supplying gas; the first blowing assisting pipe, the second blowing assisting pipe and the third blowing assisting pipe are communicated with the main gas source through four-way pipes respectively and are communicated with the main pipeline, and each communication point is located at the upstream of the first flowmeter, the second flowmeter and the third flowmeter respectively. The first valve body, the second valve body and the third valve body are respectively arranged on the first auxiliary blowing pipe, the second auxiliary blowing pipe and the third auxiliary blowing pipe. The main pipeline is divided into multiple sections by the aid of the arrangement, and each section is provided with the auxiliary blowing pipe, so that blockage can be eliminated in a segmented mode, the degree of material blockage is reduced, and blockage clearing efficiency and effect are improved.
Description
Technical Field
The invention relates to the technical field of double-pressure tank trucks, in particular to an anti-blocking device and a double-pressure tank truck.
Background
The double-pressure tank car is used for carrying dust materials such as iron making, steel making, sintering, coking, smelting desilicication, desulfurization, dephosphorization agent, blast furnace dust, converter dust removal ash and the like in a factory. The whole processes of loading, transporting, discharging and the like are carried out under a closed condition, dust is not leaked and flies, and the double-pressure tank car is adopted for transporting powdery materials in more and more metallurgical industries at present. During each unloading, the accumulated materials in the cyclone tank and the bag-type dust collection tank (filtering and separating system) must be cleaned.
At present, accumulated materials are cleaned by entering a cyclone tank and a cloth bag dust removal tank by external air pressure, the accumulated materials are blown to form a gas-material mixture and then are discharged to a discharge port through a discharge pipe, the gas-material mixture enters a storage bin from the discharge port through a pipeline, the material with light specific gravity or powder is easily discharged during cleaning, the phenomenon of pipe blockage can not occur in normal operation generally, but when the material is conveyed to be heavy or is granular, the material is easy to settle at the bottom due to high specific gravity of the material after the gas and the material are mixed during discharging, the material is horizontally arranged in addition to the discharge pipe, the material is easier to settle at the bottom of the discharge pipe, the material gradually accumulates more, the whole discharge pipe is blocked, the tank cleaning operation cannot be performed, the accumulated materials in the pipeline can be continuously operated after a repairman removes the discharge pipe, and the use efficiency of a vehicle is influenced; meanwhile, when a repair worker removes the pipeline, the residual pressure in the pipeline can cause material injection, so that the worker and the environment are easily injured and polluted.
Disclosure of Invention
The invention aims to provide an anti-blocking device and a double-pressure tank truck, and aims to solve the problem that a discharge pipe is easy to block in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
in one aspect, the present invention provides an anti-blocking device, comprising:
the main pipeline is used for discharging materials along a first direction, and is sequentially provided with a first flowmeter, a second flowmeter and a third flowmeter along the first direction;
a blow-assist assembly comprising:
a main gas source for supplying gas;
the first auxiliary blowpipe, the second auxiliary blowpipe and the third auxiliary blowpipe are respectively communicated with the main gas source through four-way pipes and are communicated with the main pipeline, and a communication point of the first auxiliary blowpipe and the main pipeline is positioned between an inlet of the main pipeline and the first flowmeter; the communication point of the second auxiliary blow pipe and the main pipeline is positioned between the first flow meter and the second flow meter; the communication point of the third auxiliary blow pipe and the main pipeline is positioned between the second flowmeter and the third flowmeter;
and the first valve body, the second valve body and the third valve body are respectively arranged on the first blowing-assisting pipe, the second blowing-assisting pipe and the third blowing-assisting pipe.
As a preferred scheme of the anti-blocking device, the anti-blocking device further comprises a controller and a first electromagnetic valve, wherein the controller is electrically connected with the first electromagnetic valve and the first flowmeter respectively; the first electromagnetic valve is arranged on the first blow-assisting pipe and used for controlling the opening and closing of the first valve body, the controller is used for detecting the count of the first flowmeter, and controlling the first electromagnetic valve to act when the count of the first flowmeter is smaller than a preset value, the first valve body is opened, and airflow enters the main pipeline through the first blow-assisting pipe.
As a preferable scheme of the anti-blocking device, the anti-blocking device further comprises a second electromagnetic valve, and the controller is electrically connected with the second electromagnetic valve and the second flowmeter respectively; the second electromagnetic valve is arranged on the second blow-assisting pipe and used for controlling the opening and closing of the second valve body, the controller is used for detecting the counting of the second flowmeter, and when the counting of the second flowmeter is smaller than a preset value, the second electromagnetic valve is controlled to act, the second valve body is opened, and airflow enters the main pipeline through the second blow-assisting pipe.
As a preferable scheme of the anti-blocking device, the anti-blocking device further comprises a third electromagnetic valve, and the controller is electrically connected with the third electromagnetic valve and the third flow meter respectively; the third electromagnetic valve is arranged on the third blow-assisting pipe and used for controlling the opening and closing of the third valve body, the controller is used for detecting the count of the third flow meter, and controlling the third electromagnetic valve to act when the count of the third flow meter is smaller than a preset value, the second valve body is opened, and airflow enters the main pipeline through the third blow-assisting pipe.
As a preferred scheme of the anti-blocking device, the main gas source is connected with the four-way pipe through a connecting pipe, and the connecting pipe is provided with a main valve body.
As a preferred scheme of the anti-blocking device, the main pipeline is communicated with a first inclined pipe, a second inclined pipe and a third inclined pipe which are parallel to each other, and an acute angle is formed between the air inlet direction of the first inclined pipe and the first direction; the first blow assisting pipe, the second blow assisting pipe and the third blow assisting pipe are communicated with the main pipeline through the first inclined pipe, the second inclined pipe and the third inclined pipe respectively.
As a preferable scheme of the anti-blocking device, the first valve body is arranged between the four-way pipe and the first blow-assisting pipe, and two ends of the first valve body are connected to the four-way pipe and the first blow-assisting pipe through flanges.
As a preferable scheme of the anti-blocking device, the first blow-assisting pipe comprises a connector and a conveying pipe, one end of the conveying pipe is connected with the connector, and the connector is connected with the first valve body through a flange; the other end of the conveying pipe is communicated with the main pipeline.
As a preferred scheme of the anti-blocking device, the conveying pipe is a soft pipeline.
In another aspect, the invention provides a double-pressure tank car, which comprises the anti-blocking device in any one of the above schemes.
The invention has the beneficial effects that:
the invention provides an anti-blocking device, which is characterized in that a plurality of flowmeters are arranged on a main pipeline, and then blowing-assisted pipes are respectively arranged at the upstream of each flowmeter, so that when the reading of the flowmeters is small, the corresponding blowing-assisted pipes can be opened for ventilation, the downstream impulsive force is improved, and the congestion is further eliminated; divide into the multistage with the main line, every section all sets up the mode of helping the blowpipe, has reduced the degree that the material blockked up, has improved clear stifled efficiency.
Drawings
FIG. 1 is a schematic front view of an anti-blocking device in an embodiment of the present invention;
FIG. 2 is a schematic top view of the anti-blocking device in the embodiment of the present invention;
fig. 3 is a left side view structural schematic diagram of the anti-blocking device in the embodiment of the invention.
In the figure:
100. a material storage tank; 200. a cloth bag tank; 300. a cyclone tank;
1. a main pipeline; 11. a first flow meter; 12. a second flow meter; 13. a third flow meter; 14. a main valve body;
2. a primary air source;
3. a first blow assist pipe; 31. a first valve body;
4. a second auxiliary blowing pipe; 41. a second valve body;
5. a third blowing assisting pipe; 51. a third valve body;
6. a four-way pipe.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Where the terms "first position" and "second position" are two different positions, and where a first feature is "over", "above" and "on" a second feature, it is intended that the first feature is directly over and obliquely above the second feature, or simply means that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
Example one
As shown in fig. 1 to 3, the present embodiment provides an anti-blocking device, which includes a main pipeline 1, a main air supply 2 and a blowing-assisting assembly. The main pipeline 1 is used for discharging materials along a first direction, and the main pipeline 1 is sequentially provided with a first flowmeter 11, a second flowmeter 12 and a third flowmeter 13 along the first direction. The blowing-aid assembly comprises a main gas source 2, a first blowing-aid pipe 3, a second blowing-aid pipe 4, a third blowing-aid pipe 5, a first valve body 31, a second valve body 41 and a third valve body 51. Wherein, the main gas source 2 is used for supplying gas; the first blowing assisting pipe 3, the second blowing assisting pipe 4 and the third blowing assisting pipe 5 are respectively communicated with the main air source 2 through a four-way pipe 6 and are communicated with the main pipeline 1, wherein the four-way pipe 6 is a pipe fitting with one inlet and three outlets. The communication point of the first blowing assisting pipe 3 and the main pipeline 1 is positioned between the inlet of the main pipeline 1 and the first flowmeter 11; the communication point of the second blow-assisting pipe 4 and the main pipeline 1 is positioned between the first flowmeter 11 and the second flowmeter 12; the connection point of the third auxiliary lance tube 5 and the main pipe 1 is located between the second flowmeter 12 and the third flowmeter 13. The first valve element 31, the second valve element 41, and the third valve element 51 are provided in the first blow-assist pipe 3, the second blow-assist pipe 4, and the third blow-assist pipe 5, respectively. Alternatively, the first valve body 31, the second valve body 41 and the third valve body 51 are all ball valves.
In the implementation, the anti-blocking device is provided with the plurality of flowmeters on the main pipeline 1, and then the blowing-assisted pipes are respectively arranged at the upstream of each flowmeter, so that when the reading of one flowmeter is small, the corresponding valve body can be opened to allow the airflow to ventilate through the blowing-assisted pipes, the downstream impulsive force is improved, and the blockage of the section is eliminated; divide into the multistage with main line 1, every section all sets up the mode of helping the blowpipe, has reduced the degree that the material blockked up, has improved clear stifled efficiency and effect.
After the operation workman sees the count of flowmeter, the count of finding the flowmeter is less than the default, then goes the operation valve body, eliminates the jam through the air current, and this process reaction cycle is long, and easy reading mistake or judge the error, probably leads to blockking up further aggravation, leads to the clearance effect variation.
In order to avoid the above situation, in this embodiment, preferably, the anti-blocking device further includes a controller (not shown in the figure) and a first electromagnetic valve (not shown in the figure), and the controller is electrically connected to the first electromagnetic valve and the first flowmeter 11 respectively; the first electromagnetic valve is arranged on the first auxiliary blowing pipe 3 and used for controlling the opening and closing of the first valve body 31, the controller is used for detecting the counting of the first flowmeter 11 and controlling the first electromagnetic valve to act when the counting of the first flowmeter 11 is smaller than a preset value, the first valve body 31 is opened, and airflow enters the main pipeline 1 through the first auxiliary blowing pipe 3. When the reading of the first flowmeter 11 is smaller than the preset value through the arrangement, the first electromagnetic valve is controlled to act through the controller, the first valve body 31 is further controlled to be opened, at the moment, the airflow enters the main pipeline 1 through the first blow-assisting pipe 3, the blocking objects in the main pipeline 1 are cleaned, and when the counting of the first flowmeter 11 is larger than the preset value, the first valve body 31 is closed through the first electromagnetic valve by the controller. This setting has realized the automatic clear stifled of pipeline between first flowmeter 11 and the entry of main pipeline 1 through the automatic switching of first valve body 31, avoids the condition of data misreading or erroneous judgement, has shortened the reflection cycle, has improved cleaning efficiency. It should be noted that the control principle of the controller reading the data of the first flow meter 11 to control the first electromagnetic valve to open or close the first valve body 31 is conventional in the art, and therefore, the operation principle thereof is not described herein again. Optionally, the anti-blocking device still includes the relay, and the controller control relay, then the action of relay control first solenoid valve.
Similarly, the anti-blocking device further comprises a second electromagnetic valve, and the controller is electrically connected with the first electromagnetic valve and the second flowmeter 12 respectively; the second electromagnetic valve is arranged on the second blowing-assisting pipe 4 and used for controlling the opening and closing of the second valve body 41, the controller is used for detecting the counting of the second flow meter 12 and controlling the second electromagnetic valve to act when the counting of the second flow meter 12 is smaller than a preset value, the second valve body 41 is opened, and air flow enters the main pipeline 1 through the second blowing-assisting pipe 4. With the above arrangement, automatic cleaning between the main pipes 1 between the first flowmeter 11 and the second flowmeter 12 is achieved, and the length of a pipe that may be clogged is shortened, improving cleaning efficiency.
Similarly, the anti-blocking device further comprises a third electromagnetic valve, and the controller is electrically connected with the first electromagnetic valve and the third flowmeter 13 respectively; the third electromagnetic valve is arranged on the third auxiliary blowing pipe 5 and used for controlling the opening and closing of the third valve body 51, the controller is used for detecting the count of the third flow meter 13 and controlling the third electromagnetic valve to act when the count of the third flow meter 13 is smaller than a preset value, the second valve body 41 is opened, and air flow enters the main pipeline 1 through the third auxiliary blowing pipe 5. With the above arrangement, automatic cleaning between the main pipes 1 between the second flow meter 12 and the third flow meter 13 is realized, and the length of the pipe which may be blocked is further shortened, and the cleaning efficiency is further improved.
Optionally, the anti-blocking device further comprises an alarm, the alarm is connected with the controller, and when the count of one of the first flowmeter 11, the second flowmeter 12 and the third flowmeter 13 is smaller than a preset value, the controller controls the alarm to give an alarm. Preferably, the alarm comprises a horn which sounds an alarm. Further, when the time counted by one of the first flowmeter 11, the second flowmeter 12 and the third flowmeter 13 is less than the preset value exceeds 5 minutes or other time periods, it indicates that the anti-blocking device has no effect, and the controller controls the alarm to give an alarm. Furthermore, the alarm comprises a network transmission component for sending alarm information to a mobile phone of a worker or a display screen of a control room. It should be noted that the controller sends information through the network transmission component, which is a conventional setting in the art, and therefore, the structures and control modes of the controller and the network transmission component are not described herein again.
Of course, in other embodiments, the main pipeline 1 may be further divided into more sections, for example, 4 sections, 5 sections, or 10 sections, and according to requirements, one section per meter in the main pipeline 1 may be provided with a plurality of blowing-assisting assemblies, and correspondingly, one flow meter is provided per meter, so as to further shorten a pipeline which may be blocked, and further improve the cleaning efficiency.
Since the main gas source 2 has other purposes, if it is directly connected to the four-way pipe 6, there is always air pressure in the four-way pipe 6, and the air pressure can cause damage to the pipeline, for this reason, in this embodiment, optionally, the main gas source 2 and the four-way pipe 6 are connected through a connecting pipe, and the connecting pipe is provided with the main valve body 14. This setting makes when main pipeline 1 does not discharge material or discharged material can not appear blockking up, can close main valve body 14, breaks off the connection between main gas source 2 and the four-way pipe 6, and then avoids the inside punching press of four-way pipe 6 and each branch road, improve equipment's durability.
Preferably, the main pipeline 1 is communicated with a first inclined pipe, a second inclined pipe and a third inclined pipe which are parallel to each other, and an acute angle is formed between the air inlet direction of the first inclined pipe and the first direction; the first blowing assisting pipe 3, the second blowing assisting pipe 4 and the third blowing assisting pipe 5 are respectively communicated with the main pipeline 1 through a first inclined pipe, a second inclined pipe and a third inclined pipe. This setting makes the gas flow get into main line 1 through first pipe chute, second pipe chute and third pipe chute, when getting into main line 1, from the upper reaches to downstream slope flow, avoids the material flow opposite direction in gas flow and the main line 1, leads to the transmission of upper reaches material to appear the putty, and the gas flow flows downstream from the upper reaches, has improved the clearance effect of material.
Regarding the connection manner of the first valve body 31, in this embodiment, optionally, the first valve body 31 is disposed between the four-way pipe 6 and the first auxiliary blowing pipe 3, and both ends of the first valve body 31 are connected to the four-way pipe 6 and the first auxiliary blowing pipe 3 through flanges. This arrangement improves the firmness of the first valve body 31.
Optionally, the first blow assisting pipe 3 comprises a connector and a conveying pipe with one end connected to the connector, preferably sleeved, and fixed by a clamp, that is, the conveying pipe is sleeved on an output end pipe of the connector, and then the clamp is installed additionally. The connector is connected with the first valve body 31 through a flange; the other end of the conveying pipe is communicated with the main pipeline, preferably sleeved and fixed through a hoop. The connector and the conveying pipe are arranged in a split mode, so that one connector can be replaced independently after being damaged, and the maintenance cost is reduced.
Further, the conveying pipe is a soft pipeline. The soft pipeline is convenient for set up the route of arranging to the application of adaptation difference. Optionally, the delivery tube is a hose.
Preferably, the second valve body 41 and the third valve body 51 are connected to the first valve body 31 in a similar manner. And the second blowing-assisting pipe 4 and the third blowing-assisting pipe 5 have the same structure as the first blowing-assisting pipe 3. In addition, intermediate lines are respectively provided between the first valve body 31, the second valve body 41, and the third valve body 51 and the four-way pipe 6 to adjust the distance between each of the first valve body 31, the second valve body 41, and the third valve body 51. The middle pipeline is connected with the four-way pipe 6 through a flange, and the middle pipeline is connected with each valve body through a flange. It should be noted that, the connection of the pipelines by the flanges is a conventional arrangement in the art, and therefore, the specific structure and connection manner of the flanges are not described herein again.
Example two
The embodiment also provides a double-pressure tank car which comprises the anti-blocking device in the scheme. The double-pressure tank car further comprises a storage tank 100, a cloth bag tank 200 and a cyclone tank 300, wherein the pumped gas in the storage tank 100 is mixed with partial materials, and the gas-solid separation and filtration are sequentially carried out through the cyclone tank 300 and the cloth bag tank 200, in the process, the dusty materials can be reserved in the cyclone tank 300 and the cloth bag tank 200, and the air can be directly discharged when reaching the discharge standard. The materials remaining in the cyclone tank 300 and the cloth bag tank 200 are recovered through the main pipeline 1.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. An anti-blocking device, comprising:
the main pipeline (1) is used for discharging materials along a first direction, and a first flowmeter (11), a second flowmeter (12) and a third flowmeter (13) are sequentially arranged on the main pipeline (1) along the first direction;
a blow-assist assembly comprising:
a main gas source (2) for supplying gas;
a first auxiliary blow pipe (3), a second auxiliary blow pipe (4) and a third auxiliary blow pipe (5) are respectively communicated with the main gas source (2) through a four-way pipe (6) and are communicated with the main pipeline (1), and the communication point of the first auxiliary blow pipe (3) and the main pipeline (1) is positioned between the inlet of the main pipeline (1) and the first flowmeter (11); the communication point of the second auxiliary blow pipe (4) and the main pipeline (1) is positioned between the first flowmeter (11) and the second flowmeter (12); the communication point of the third auxiliary blow pipe (5) and the main pipeline (1) is positioned between the second flowmeter (12) and the third flowmeter (13);
a first valve body (31), a second valve body (41), and a third valve body (51) provided in the first auxiliary blow pipe (3), the second auxiliary blow pipe (4), and the third auxiliary blow pipe (5), respectively.
2. The anti-blocking device according to claim 1, further comprising a controller and a first solenoid valve, wherein the controller is electrically connected with the first solenoid valve and the first flow meter (11), respectively; the first electromagnetic valve is arranged on the first auxiliary blow pipe (3) and used for controlling the opening and closing of the first valve body (31), the controller is used for detecting the counting of the first flow meter (11), and when the counting of the first flow meter (11) is smaller than a preset value, the first electromagnetic valve is controlled to act, the first valve body (31) is opened, and airflow enters the main pipeline (1) through the first auxiliary blow pipe (3).
3. The anti-clogging device according to claim 2, characterized in that it further comprises a second solenoid valve, said controller being electrically connected to said second solenoid valve and to said second flow meter (12), respectively; the second electromagnetic valve is arranged on the second auxiliary blow pipe (4) and used for controlling the opening and closing of the second valve body (41), the controller is used for detecting the counting of the second flow meter (12), and when the counting of the second flow meter (12) is smaller than a preset value, the second electromagnetic valve is controlled to act, the second valve body (41) is opened, and airflow enters the main pipeline (1) through the second auxiliary blow pipe (4).
4. The anti-blocking device according to claim 3, further comprising a third solenoid valve, wherein the controller is electrically connected to the third solenoid valve and the third flow meter (13), respectively; the third electromagnetic valve is arranged on the third auxiliary blow pipe (5) and used for controlling the opening and closing of the third valve body (51), the controller is used for detecting the count of the third flow meter (13), and when the count of the third flow meter (13) is smaller than a preset value, the third electromagnetic valve is controlled to act, the second valve body (41) is opened, and air flow enters the main pipeline (1) through the third auxiliary blow pipe (5).
5. Anti-blockage device according to any one of claims 1 to 4, wherein the main gas source (2) and the cross-pipe (6) are connected by a connecting pipe, which is provided with a main valve body (14).
6. The anti-blocking device according to any one of claims 1 to 4, wherein the main pipeline (1) is communicated with a first inclined pipe, a second inclined pipe and a third inclined pipe which are parallel to each other, and an acute angle is formed between the air inlet direction of the first inclined pipe and the first direction; the first blowing assisting pipe (3), the second blowing assisting pipe (4) and the third blowing assisting pipe (5) are respectively communicated with the main pipeline (1) through the first inclined pipe, the second inclined pipe and the third inclined pipe.
7. The anti-blocking device according to claim 6, characterized in that the first valve body (31) is arranged between the four-way pipe (6) and the first blowing-assisting pipe (3), and both ends of the first valve body (31) are connected to the four-way pipe (6) and the first blowing-assisting pipe (3) through flanges.
8. The anti-blocking device according to claim 7, characterized in that the first blowing aid pipe (3) comprises a connector and a conveying pipe with one end connected to the connector, and the connector and the first valve body (31) are connected through a flange; the other end of the conveying pipe is communicated with the main pipeline.
9. The anti-clogging device according to claim 8, wherein said conveying pipe is a flexible pipe.
10. A double pressure tanker comprising an anti-jamming device according to any of claims 1 to 9.
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| CN202139269U (en) * | 2010-11-25 | 2012-02-08 | 北京科技大学 | Direct quenching device for medium steel plate |
| CN204020685U (en) * | 2014-06-16 | 2014-12-17 | 浙江广厦建设职业技术学院 | A kind of muck transport trolley conveying pipeline clean-up device |
| US10351043B1 (en) * | 2018-03-27 | 2019-07-16 | Mac Trailer Manufacturing, Inc. | Dry bulk tank having an air piping system |
| CN208135476U (en) * | 2018-04-12 | 2018-11-23 | 江苏惟德智能工程技术有限公司 | Double storehouses pump the uninterrupted continuous transportation system of single pipe |
| CN211168938U (en) * | 2019-08-27 | 2020-08-04 | 光大环保技术装备（常州）有限公司 | Pneumatic conveying pipeline |
| CN111947449B (en) * | 2020-08-19 | 2023-02-03 | 广东韶钢松山股份有限公司 | Gas-fired shaft kiln damping-down and reblowing system and control method |
| CN112340461A (en) * | 2020-09-23 | 2021-02-09 | 广东韶钢松山股份有限公司 | Filtration recovery system of suction pressure feed tank car and suction pressure feed tank car |
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|---|---|
| CN113581055A (en) | 2021-11-02 |
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