CN215539416U - Exhaust device applied to inlet pipeline of liquid delivery pump - Google Patents
Exhaust device applied to inlet pipeline of liquid delivery pump Download PDFInfo
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- CN215539416U CN215539416U CN202121302117.7U CN202121302117U CN215539416U CN 215539416 U CN215539416 U CN 215539416U CN 202121302117 U CN202121302117 U CN 202121302117U CN 215539416 U CN215539416 U CN 215539416U
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Abstract
An exhaust device applied to an inlet pipeline of a liquid delivery pump relates to the technical field of waste water delivery, and comprises a pump body, a driving motor, a liquid inlet connector, a liquid outlet connector, a liquid inlet pipeline and a liquid outlet pipeline, wherein an exhaust hole is formed in the liquid inlet pipeline, an exhaust device is arranged at the exhaust hole, and the exhaust device comprises a sealing connector, a liquid backflow cover, a gas detector and a centrifugal fan; the liquid backflow hood is provided with an upper air guide hole and a lower air guide hole, the lower air guide hole is hermetically arranged at the exhaust hole through a sealing connector, a backflow buffering inclined plane is formed on the inner wall of the liquid backflow hood, and liquid entering the liquid backflow hood can flow back to the liquid inlet pipeline along the backflow buffering inclined plane; the gas detector is arranged in the liquid reflux cover, the centrifugal fan is communicated with the upper gas guide hole, the control panel is arranged in the centrifugal fan and connected with the gas detector, and odor in wastewater is discharged and collected in the liquid inlet process, so that the pollution and the damage to a human body are reduced.
Description
Technical Field
The utility model relates to the technical field of waste water conveying, in particular to an exhaust device applied to an inlet pipeline of a liquid conveying pump.
Background
A liquid transfer pump is a generic term for pumps used to transfer liquid products, such as cryogenic liquid pumps, which are special pumps used in chemical plants to transfer cryogenic liquids (such as liquid oxygen, liquid nitrogen, liquid argon, liquid hydrocarbons, liquefied natural gas, etc.).
In the field of wastewater and sewage discharge, generally, a liquid delivery pump is needed to deliver the wastewater accumulated in a wastewater pool to a post-treatment production line, and the wastewater is discharged to the outside after a series of processes such as filtration, sedimentation, disinfection and the like, and the wastewater meets the wastewater discharge standard. Because the wastewater is in an anaerobic state for a long time in a wastewater tank and a sewage pipeline, odor is easy to generate, the odor is of different types, the odor is not only unpleasant, but also can carry toxic and harmful gas, if the wastewater is not treated in the early stage, the wastewater enters a post-treatment production line and is exposed in the air, the environment and the air quality are affected, and the health of workers is even affected if the wastewater is sucked into the body, so that the improvement is needed.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide an exhaust device applied to an inlet pipeline of a liquid delivery pump, and on the premise of realizing normal delivery of wastewater, the exhaust device can also exhaust and collect odor in the wastewater in the liquid inlet process, so that the pollution and the damage to human bodies are reduced, and the specific scheme is as follows:
an exhaust device applied to an inlet pipeline of a liquid conveying pump comprises a pump body, a driving motor, a liquid inlet connector, a liquid outlet connector, a liquid inlet pipeline and a liquid outlet pipeline, wherein the driving motor is in transmission connection with the pump body, the liquid inlet connector and the liquid outlet connector are arranged on the pump body, the liquid inlet connector and the liquid outlet connector are respectively connected with the liquid inlet pipeline and the liquid outlet pipeline, an exhaust hole is formed in the side wall of the liquid inlet pipeline, the exhaust device is arranged at the exhaust hole, and the exhaust device comprises a sealing connector, a liquid backflow cover, a gas detector and a centrifugal fan;
the liquid backflow hood is provided with an upper air guide hole and a lower air guide hole, the lower air guide hole is hermetically arranged at the exhaust hole through the sealed connector, a backflow buffering inclined plane is formed on the inner wall of the liquid backflow hood, and liquid entering the liquid backflow hood can flow back to the liquid inlet pipeline along the backflow buffering inclined plane;
the gas detector is arranged in the liquid backflow cover, the centrifugal fan is communicated with the upper gas guide hole, a control panel is arranged in the centrifugal fan, and the control panel is connected with the gas detector to display the type of gas.
Furthermore, a blocking ring which is coaxial with the lower air guide hole is arranged in the liquid backflow cover, and the blocking ring is used for applying impact force to liquid opposite to the direction of the fluid flowing into the liquid backflow cover.
Furthermore, the blocking ring is axially divided into a fixed bottom and a limiting flow guide part, one end of the fixed bottom is vertically connected with the backflow buffering inclined plane, the limiting flow guide part is connected with the other end of the fixed bottom, and the limiting flow guide part is arc-shaped.
Further, a liquid collecting groove is formed between the side wall of the blocking ring, which deviates from the lower air guide hole, and the liquid backflow cover.
Further, a liquid adsorption device is arranged in the liquid collecting tank.
Furthermore, the outer cover of the gas detector is provided with a waterproof cover.
Compared with the prior art, the utility model has the following beneficial effects:
(1) waste water in the wastewater disposal basin passes through the sewage conduit and gets into back in the inlet channel, exhaust apparatus begins working, centrifugal fan produces negative pressure environment in liquid backward flow cover, smuggle during the foul smell process exhaust hole secretly, by the suction liquid backward flow cover in, the foul smell kind that corresponds by gas detector detection department, the staff of being convenient for sets up the special collection device of corresponding foul smell after seeing on control panel, the foul smell in the liquid backward flow cover and then discharge from the liquid backward flow cover in the last air vent, get into in the special collection device of subsequent foul smell, because the setting in exhaust hole, liquid is in the easy come-up entering liquid backward flow cover of in-process that flows, but under the cushioning effect on backward flow buffering inclined plane, the velocity of flow of liquid slows down gradually, in the backflow entering inlet channel under the action of gravity, reduce the possibility that liquid flowed from last air vent.
In conclusion, on the premise of realizing normal delivery of the wastewater, the utility model can also discharge and collect odor in the wastewater in the liquid inlet process, thereby reducing pollution and harm to human bodies;
(2) by arranging the blocking ring, if the flow velocity of the liquid flowing into the liquid backflow cover is larger, the backflow buffering inclined plane plays a role of buffering the backflow buffering inclined plane, the liquid is contacted with the blocking ring when rising along the backflow buffering inclined plane, the blocking ring generates resistance on the backflow buffering inclined plane, and meanwhile, under the flow guiding effect of the limiting flow guiding part, the blocked liquid directly falls into the exhaust hole after reaching the tail end along the limiting flow guiding part and returns to the liquid inlet pipeline;
(3) through setting up the liquid collecting vat, if a small amount of liquid splashes carelessly and surpasss and hinder the retaining ring, get into the liquid collecting vat under the water conservancy diversion that blocks the circle, through setting up liquid adsorption equipment, liquid adsorption equipment still can be with the liquid blotting in the liquid collecting vat, avoid liquid to get into in the air guide hole.
Drawings
FIG. 1 is an overall schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic sectional view of the exhaust apparatus of the present invention showing the inside of the liquid reflow oven.
Reference numerals: 1. sealing the connector; 2. a liquid reflux hood; 21. an upper air guide hole; 22. a lower gas vent; 23. a backflow buffering bevel; 3. a gas detector; 4. a centrifugal fan; 5. a control panel; 6. a check ring; 61. fixing the bottom; 62. a limiting flow guide part; 7. a liquid collection tank; 8. a liquid adsorption device; 9. a liquid delivery pump; 91. a pump body; 92. a drive motor; 93. a liquid inlet connector; 94. a liquid outlet connector; 95. a liquid inlet pipeline; 96. a liquid outlet pipeline; 10. an exhaust hole; 11. a water shield.
Detailed Description
The present invention will be described in further detail with reference to examples and drawings, but the present invention is not limited to these examples.
Referring to fig. 1 and 2, the exhaust device applied to the inlet pipeline of the liquid delivery pump 9 comprises a pump body 91, a driving motor 92, a liquid inlet connector 93, a liquid outlet connector 94, a liquid inlet pipeline 95 and a liquid outlet pipeline 96, wherein the driving motor 92 is in transmission connection with the pump body 91, the pump body 91 is provided with the liquid inlet connector 93 and the liquid outlet connector 94, and the liquid inlet connector 93 and the liquid outlet connector 94 are respectively connected with the liquid inlet pipeline 95 and the liquid outlet pipeline 96. When the liquid delivery pump 9 works, the driving motor 92 is started to generate driving force on the pump body 91, and wastewater in the wastewater pool enters the pump body 91 through the liquid inlet pipeline 95 and then leaves from the liquid outlet pipeline 96 to enter a subsequent post-treatment production line.
Aiming at some waste water which is easy to carry odor, the side wall of the liquid inlet pipeline 95 is provided with an exhaust hole 10, an exhaust device is arranged at the exhaust hole 10, and when the waste water flows in the liquid inlet pipeline 95, the odor is transferred to a special device from the liquid inlet pipeline 95 under the action of the exhaust device when passing through the exhaust hole 10.
In detail, the exhaust device comprises a sealing connector 1, a liquid reflux cover 2, a gas detector 3 and a centrifugal fan 4. The liquid reflux hood 2 is a closed thin-wall structure as a whole, the upper part is cylindrical, the lower part is conical, and the top and the bottom are respectively provided with an upper air guide hole 21 and a lower air guide hole 22, the lower air guide hole 22 is hermetically arranged at the exhaust hole 10 through the sealing connector 1, and odor can enter the liquid reflux hood 2 through flowing through the exhaust hole 10 and the lower air guide hole 22. The gas detector 3 is arranged in the liquid backflow cover 2, and a waterproof cover 11 is covered outside the gas detector 3. Centrifugal fan 4 and last gas guide 21 intercommunication setting are equipped with control panel 5 in the centrifugal fan 4, and control panel 5 is connected with gas detection appearance 3 in order to show the gas type. When the centrifugal fan 4 starts, a negative pressure environment is generated in the liquid backflow hood 2, odor carried in the liquid is sucked into the liquid backflow hood 2, the odor type corresponding to the detection position of the gas detector 3 is detected, and a corresponding odor special collecting device is arranged after the worker sees the odor type on the control panel 5. The odor in the liquid reflux hood 2 is further discharged from the liquid reflux hood 2 through the upper air vent 21, and enters a subsequent odor collecting device.
Due to the arrangement of the exhaust holes 10, liquid is easy to float upwards into the liquid backflow hood 2 in the flowing process. In the utility model, the inner wall of the lower part of the liquid reflux cover 2 is provided with the reflux buffering inclined plane 23, which is similar to a trumpet shape, under the buffering action of the reflux buffering inclined plane 23, the flow speed of the liquid entering the liquid reflux cover 2 is gradually reduced, and the liquid reflows into the liquid inlet pipeline 95 under the action of gravity, so that the possibility that the liquid flows out from the upper air guide hole 21 is reduced.
If the flow rate of the liquid flowing into the liquid backflow hood 2 is high, the liquid may not be blocked by the backflow buffering inclined surface 23, and therefore, a blocking ring 6 which is coaxially arranged with the lower air guide hole 22 is further arranged in the liquid backflow hood 2, and the blocking ring 6 is used for applying impact force to the liquid opposite to the direction of the fluid flowing into the liquid backflow hood 2. Specifically, the blocking ring 6 is axially divided into a fixed bottom 61 and a limiting flow guide part 62, one end of the fixed bottom 61 is vertically connected with the backflow buffering inclined plane 23, the limiting flow guide part 62 is integrally connected with the other end of the fixed bottom 61, and the limiting flow guide part 62 is arc-shaped. The recess is disposed toward the lower air guide hole 22.
After the backflow buffering inclined plane 23 plays a buffering role for the backflow buffering inclined plane, liquid is contacted with the blocking ring 6 when rising along the backflow buffering inclined plane 23, the blocking ring 6 generates resistance for the backflow buffering inclined plane, and meanwhile, under the flow guiding effect of the limiting flow guiding part 62, the blocked liquid directly drops into the exhaust hole 10 after reaching the tail end along the limiting flow guiding part 62 and returns to the liquid inlet pipeline 95
A liquid collecting groove 7 is formed between the side wall of the blocking ring 6, which deviates from the lower air guide hole 22, and the liquid backflow cover 2, and a liquid adsorption device 8 is arranged in the liquid collecting groove 7 and can adopt sponge or water-absorbent resin. If a small amount of liquid accidentally splashes beyond the blocking ring 6 and enters the liquid collecting tank 7 under the diversion of the blocking ring 6, the liquid adsorption device 8 can also suck the liquid in the liquid collecting tank 7 to prevent the liquid from entering the upper air guide hole 21.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.
Claims (6)
1. An exhaust device applied to an inlet pipeline of a liquid delivery pump comprises a pump body (91), a driving motor (92), a liquid inlet connector (93), a liquid outlet connector (94), a liquid inlet pipeline (95) and a liquid outlet pipeline (96), the driving motor (92) is in transmission connection with the pump body (91), the pump body (91) is provided with the liquid inlet connector (93) and the liquid outlet connector (94), the liquid inlet connector (93) and the liquid outlet connector (94) are respectively connected with the liquid inlet pipeline (95) and the liquid outlet pipeline (96), it is characterized in that the side wall of the liquid inlet pipeline (95) is provided with an exhaust hole (10), the exhaust device is arranged at the exhaust hole (10) and comprises a sealing connector (1), a liquid backflow cover (2), a gas detector (3) and a centrifugal fan (4);
an upper air vent (21) and a lower air vent (22) are formed in the liquid backflow cover (2), the lower air vent (22) is hermetically mounted at the exhaust hole (10) through the sealing connector (1), a backflow buffering inclined plane (23) is formed on the inner wall of the liquid backflow cover (2), and liquid entering the liquid backflow cover (2) can flow back to the liquid inlet pipeline (95) along the backflow buffering inclined plane (23);
gas detection appearance (3) are located in liquid backward flow cover (2), centrifugal fan (4) with go up gas guide hole (21) intercommunication setting, be equipped with control panel (5) in centrifugal fan (4), control panel (5) with gas detection appearance (3) are connected in order to show the gas type.
2. The exhaust device applied to the inlet pipeline of the liquid delivery pump as recited in claim 1, wherein a check ring (6) which is coaxially arranged with the lower air guide hole (22) is further arranged in the liquid return cover (2), and the check ring (6) is used for applying impact force to the liquid opposite to the direction of the fluid flowing into the liquid return cover (2).
3. The exhaust device applied to the inlet pipeline of the liquid conveying pump as claimed in claim 2, wherein the blocking ring (6) is axially divided into a fixed bottom part (61) and a limiting flow guide part (62), one end of the fixed bottom part (61) is vertically connected with the backflow buffering inclined plane (23), the limiting flow guide part (62) is connected with the other end of the fixed bottom part (61), and the limiting flow guide part (62) is arc-shaped.
4. The exhaust device applied to the inlet pipeline of the liquid delivery pump as recited in claim 2, characterized in that a liquid collecting groove (7) is formed between the side wall of the blocking ring (6) facing away from the lower air guide hole (22) and the liquid return hood (2).
5. Exhaust device applied to the inlet pipe of a liquid transfer pump according to claim 4, characterized in that a liquid adsorption device (8) is provided in the liquid collection tank (7).
6. Exhaust device applied to the inlet pipe of a liquid transfer pump according to claim 1, characterized in that the external cover of the gas detector (3) is provided with a waterproof cover (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121302117.7U CN215539416U (en) | 2021-06-10 | 2021-06-10 | Exhaust device applied to inlet pipeline of liquid delivery pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121302117.7U CN215539416U (en) | 2021-06-10 | 2021-06-10 | Exhaust device applied to inlet pipeline of liquid delivery pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215539416U true CN215539416U (en) | 2022-01-18 |
Family
ID=79816496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121302117.7U Active CN215539416U (en) | 2021-06-10 | 2021-06-10 | Exhaust device applied to inlet pipeline of liquid delivery pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215539416U (en) |
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2021
- 2021-06-10 CN CN202121302117.7U patent/CN215539416U/en active Active
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