CN212375942U - Box type water supply system - Google Patents
Box type water supply system Download PDFInfo
- Publication number
- CN212375942U CN212375942U CN202020689079.4U CN202020689079U CN212375942U CN 212375942 U CN212375942 U CN 212375942U CN 202020689079 U CN202020689079 U CN 202020689079U CN 212375942 U CN212375942 U CN 212375942U
- Authority
- CN
- China
- Prior art keywords
- water
- pump
- water pump
- inlet
- water tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Control Of Non-Positive-Displacement Pumps (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to a box water supply system, include: the water supply system comprises a water tank water inlet pipe, a tank body, a water pump water inlet pipe, a water supply pipe, a data collector and a controller; the box body comprises a water tank and a pump room, and the water tank is provided with a pit and a liquid level meter; a water pump is arranged in the pump room and is provided with a water pump inlet and a water pump outlet; one end of the water inlet pipe of the water pump is positioned at the pit position, the other end of the water inlet pipe of the water pump is connected with the inlet of the water pump, and the outlet of the water pump is connected with the water supply pipe; a water tank inlet regulating valve and an inlet flowmeter are arranged on the water tank inlet pipe, a water tank outlet flowmeter and a water tank outlet regulating valve are arranged on the water pump inlet pipe, and a stop valve and a pressure sensor are arranged on the water supply pipe; the data acquisition unit is used for acquiring various data signals; the controller is used for controlling the related components. The utility model provides high water tank effective volume utilization ratio can also prevent that water pump mechanical seal from causing the damage owing to dry grinding, improves water pump life.
Description
Technical Field
The utility model relates to a drainage technology field especially relates to a box water supply system.
Background
With the acceleration of the urbanization process, the use amount of the box-type water supply system is larger and larger in order to ensure the water supply safety. There are also problems with the existing tank water supply systems, such as low effective volume utilization (ratio of available volume to tank volume of the tank); the water in the water tank can not be completely discharged out of the tank body, so that the water quality is deteriorated; the retention time of water in the water tank is not controlled, and water exists in the water tank for a long time under partial conditions, so that the water quality is deteriorated, the water quality standard requirements are not met, and even a 'dead water' phenomenon occurs; the box-type water supply system also has the problems that the mechanical seal of the water pump is damaged due to dry grinding and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a box water supply system is provided, not only improved the effective volume utilization ratio of water tank for hydrologic cycle can also prevent that water pump mechanical seal dry grinding from causing the damage, improves water pump life.
The utility model provides a technical scheme that its technical problem adopted is: there is provided a tank type water supply system comprising: the water supply system comprises a water tank water inlet pipe, a tank body, a water pump water inlet pipe, a water supply pipe, a data collector and a controller;
the box body comprises a water tank and a pump room, a pit is formed in the bottom of the water tank, and a liquid level meter is arranged inside the water tank; a water pump is arranged in the pump room and is provided with a water pump inlet and a water pump outlet; one end of the water inlet pipe of the water pump is positioned at the position of the pit, and the other end of the water inlet pipe of the water pump is connected with the inlet of the water pump; the outlet of the water pump is connected with the water supply pipe; a water tank inlet regulating valve and an inlet flowmeter are arranged on the water tank inlet pipe, a water tank outlet flowmeter and a water tank outlet regulating valve are arranged on the water pump inlet pipe, and a stop valve and a pressure sensor are arranged on the water supply pipe;
the data collector is used for collecting data signals of the water tank inlet regulating valve, the water tank outlet regulating valve, the inlet flowmeter, the water tank outlet flowmeter, the liquid level meter, the pressure sensor and the water pump; the controller is used for controlling the opening ranges of the water tank inlet regulating valve and the water tank outlet regulating valve and controlling the rotating speed of the water pump.
The water pump includes water pump urceolus, pump head, pump shaft and motor, the opening position of water pump urceolus is arranged in to the pump head is in order to form the water pump cavity, the motor passes through coupling joint and control the pump shaft, the pump shaft passes the pump head extends to inside the water pump cavity, the pump shaft is in the inside of water pump cavity is provided with the impeller, the pump shaft with mechanical seal is installed to the junction of pump head, is used for sealing pump shaft and pump head.
The water pump inlet and the water pump outlet are of a high-low structure, the water pump inlet is arranged in the middle of one side of the water pump outer barrel, and the water pump outlet is arranged at the top of the other side of the water pump outer barrel.
The lowest point position of the water pump inlet is higher than the highest point position of the impeller.
The impeller is a two-stage impeller.
The water pump is a frequency conversion multistage centrifugal pump, and a check valve is arranged in the outlet of the water pump.
A drain valve is arranged at the lower point of the pit, and the pit is lower than the bottom plane of the water tank.
The water tank is characterized in that an overflow pipe is arranged at the top of the water tank and is of an inverted U-shaped structure, the overflow pipe is higher than the top plane of the water tank, and a filter is arranged at the tail end of the overflow pipe.
The water tank and the pump room are integrated into a whole.
The data acquisition unit and the controller are integrated into a whole.
Advantageous effects
Since the technical scheme is used, compared with the prior art, the utility model, have following advantage and positive effect: the utility model can make the water in the water tank fully fill the whole water tank and can make the water completely discharged from the water tank through the pit arranged at the bottom of the water tank body and the overflow pipe arranged at the top of the water tank body, thereby improving the effective volume utilization rate of the water tank; the circulation of water in the water tank is controlled in real time through the controller, so that the retention time of the water in the water tank is less than a set value, and the water quality requirement is ensured; additionally the utility model discloses the minimum position of well water pump import is higher than the peak position of impeller at least, and in the condition of wasing water tank or water tank lack of water, always there is some water in can guaranteeing the water pump for the water pump has from inhaling the function, after wasing the water tank, under the not enough condition of exhaust water pump mistake start-up or exhaust, can prevent effectively that water pump mechanical seal dry grinding from causing the damage, improves water pump life, has better practicality.
Drawings
FIG. 1 is a schematic view of a tank-type water supply system according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of the water pump according to the embodiment of the present invention.
The figure is as follows: 1. water tank inlet tube, 2, water tank inlet governing valve, 3, inlet flowmeter, 4, level gauge, 5, the box, 6, water pump inlet tube, 7, water tank outlet flowmeter, 8, water tank outlet governing valve, 9, the water pump, 10, the stop valve, 11, pressure sensor, 12, the feed pipe, 13, the pit, 14, the blowoff valve, 15, the overflow pipe, 16, the filter, 17, data collector, 18, the controller, 51, the water tank, 52, the pump house, 90, the water pump import, 91, the water pump urceolus, 92, the impeller, 93, the water pump cavity, 94, the pump head, 95, the pump shaft, 96, mechanical seal, 97, the shaft coupling, 98, the motor, 99 water pump export.
Detailed Description
The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.
The utility model discloses an embodiment relates to a box water supply system, as shown in FIG. 1, do the utility model discloses embodiment's box water supply system principle sketch map, include: the device comprises a water tank inlet pipe 1, a water tank inlet regulating valve 2, an inlet flowmeter 3, a liquid level meter 4, a tank body 5, a water pump inlet pipe 6, a water tank outlet flowmeter 7, a water tank outlet regulating valve 8, a water pump 9, a stop valve 10, a pressure sensor 11, a water supply pipe 12, a pit 13, a blow-down valve 14, an overflow pipe 15, a filter 16, a data acquisition unit 17 and a controller 18.
In the present embodiment, the box body 5 is a rectangular parallelepiped structure, the box body 5 includes a water tank 51 and a pump room 52, and the water tank 51 and the pump room 52 are integrated into a whole; the water tank inlet pipe 1 is provided with a water tank inlet regulating valve 2 and an inlet flowmeter 3; a water tank outlet flowmeter 7 and a water tank outlet regulating valve 8 are arranged on the water pump inlet pipe 6; a liquid level meter 4 is arranged inside the water tank 51; the water pump 9 is accommodated in the pump room 52, and a check valve is arranged in the outlet of the water pump 9; the water tank 51 is also internally provided with a pit 13 and an overflow pipe 15, the bottom of the pit 13 is provided with a blowoff valve 14, the pit 13 is lower than the bottom plane of the tank body 5, and the overflow pipe 15 is higher than the top plane of the tank body 5.
In this embodiment, the overflow pipe 15 adopts an inverted U-shaped structure, and the end of the overflow pipe 15 is provided with a filter 16, which can prevent solid particles, rain water or small insects in the air from entering the water tank and causing secondary pollution.
Further, the blowoff valve 14 is arranged at the bottom of the pit 13, so that the sewage can be discharged through the blowoff valve 14 after the water tank 51 is cleaned.
Further, the data collector 17 and the controller 18 are integrated into a whole; the data collector 17 is used for collecting opening signals of the water tank inlet regulating valve 2 and the water tank outlet regulating valve 8, and the data collector 17 can also collect flow signals of the inlet flowmeter 3 and the water tank outlet flowmeter 7, liquid level signals of the liquid level meter 4, pressure signals of the pressure sensor 11 and rotating speed signals of the water pump 9; the controller 18 is used for sending control signals to control the opening degree signals of the water tank inlet regulating valve 2 and the water tank outlet regulating valve 8, and the controller 18 can also control the rotating speed of the water pump 9.
As shown in fig. 2, for the water pump structure diagram of the embodiment of the present invention, the water pump 9 includes: the pump comprises a water pump inlet 90, a water pump outer cylinder 91, an impeller 92, a water pump cavity 93, a pump head 94, a pump shaft 95, a mechanical seal 96, a coupler 97, a motor 98 and a water pump outlet 99.
Further, the design mode of the water pump inlet 90 and the water pump outlet 99 of the water pump 9 is a high-low structure, the water pump inlet 90 is arranged in the middle of one side of the water pump outer cylinder 91, and the water pump outlet 99 is arranged at the top of the other side of the water pump outer cylinder 91.
Further, the lowest point position of the water pump inlet 90 of the water pump 9 is at least higher than the highest point position of the impeller 92; under the condition of water shortage of the cleaning water tank or the water tank, part of water can be always stored in the water pump, so that the water pump has a self-suction function, after the water tank is cleaned, the mechanical seal dry grinding of the water pump can be effectively prevented from damaging under the condition that the water pump is not started by mistake or exhausted insufficiently, and the service life of the water pump is prolonged.
Furthermore, a water supply pipe 12 of the water pump 9 is provided with a stop valve 10 and a pressure sensor 11.
Further, the water pump 9 is a variable-frequency multistage centrifugal pump.
In this embodiment, the water inlet pipe 6 of the water pump is communicated with the pit 13 of the water tank 51, water enters an annular space formed by the water pump outer cylinder 91 and the water pump cavity 93 through the water pump inlet 90 from the water inlet pipe 6 of the water pump, and the mechanical seal 96 is used for sealing the rotating part pump shaft 95 and the fixed part pump head 94. According to the water demand of the demand end of the water supply system, the controller 18 compares the pressure signal of the pressure sensor 11 acquired by the data acquisition unit 17 with a preset pressure value to adjust the rotating speed of the motor 98, so as to ensure that the water supply pressure is within the allowable error range of the set pressure, the motor 98 transmits the torque to the pump shaft 95 through the coupler 97, the pump shaft 95 drives the impeller 92 to rotate, the impeller 92 transmits the kinetic energy to the water, the potential energy of the water is increased, the pressure is increased, and the kinetic energy is finally transmitted into the water supply pipe 12 from the water pump outlet 99 through the water pump cavity 93 to supply water to a user.
Further, when the rotation speed of the motor 98 is adjusted, if the acquired pressure signal is greater than a preset pressure value, the rotation speed of the motor 98 is reduced; if the collected pressure signal is smaller than the preset pressure value, the rotation speed of the motor 98 is increased.
In this embodiment, the controller 18 controls the opening degrees of the tank inlet regulating valve 2 and the tank outlet regulating valve 8 so that the retention time of the water in the tank does not exceed a preset value, and if the water in the tank 51 is completely circulated and discharged from the water supply pipe 12 within a preset time t, the following expression is required to be satisfied:
Q2＝(S×H)/t+Q1
wherein t is a preset water circulation time, Q1Is the inlet flow rate, Q, of the inlet flowmeter 32The water flow rate of the water tank outlet flowmeter 7, H is the liquid level height measured by the liquid level meter 4, and S is the bottom area of the water tank 51. The water circulation time t is preset, and different water circulation times t can be set according to different source water qualities to meet the water quality requirements.
Therefore, the utility model discloses a design of pit and overflow pipe, can effectively guarantee that the water in the water tank can all discharge, the effective volume utilization ratio of water tank has been improved, can also guarantee simultaneously that the dwell time of water in the water tank is less than the setting value, guarantee the water quality requirement, the minimum position of water pump import is higher than the design mode of the peak position of two-stage impeller at least, under the condition of wasing water tank or water tank lack of water, it has some water always to guarantee in the water pump, make the water pump have from inhaling the function, prevent that water pump mechanical seal dry grinding from causing the damage, improve water pump life.
Claims (10)
1. A tank feed water system, comprising: the water tank comprises a water inlet pipe (1) of a water tank, a tank body (5), a water inlet pipe (6) of a water pump, a water supply pipe (12), a data acquisition unit (17) and a controller (18);
the box body (5) comprises a water tank (51) and a pump room (52), a pit (13) is formed in the bottom of the water tank (51), and a liquid level meter (4) is arranged in the water tank (51); a water pump (9) is arranged in the pump room (52), and a water pump inlet (90) and a water pump outlet (99) are formed in the water pump (9); one end of the water inlet pipe (6) of the water pump is positioned at the position of the pit (13), and the other end of the water inlet pipe of the water pump is connected with the water inlet (90) of the water pump; the outlet (99) of the water pump is connected with the water supply pipe (12); a water tank inlet regulating valve (2) and an inlet flow meter (3) are arranged on the water tank inlet pipe (1), a water tank outlet flow meter (7) and a water tank outlet regulating valve (8) are arranged on the water pump inlet pipe (6), and a stop valve (10) and a pressure sensor (11) are arranged on the water supply pipe (12);
the data acquisition unit (17) is used for acquiring data signals of the water tank inlet adjusting valve (2), the water tank outlet adjusting valve (8), the inlet flowmeter (3), the water tank outlet flowmeter (7), the liquid level meter (4), the pressure sensor (11) and the water pump (9); the controller (18) is used for controlling the opening ranges of the water tank inlet adjusting valve (2) and the water tank outlet adjusting valve (8) and controlling the rotating speed of the water pump (9).
2. The box type water supply system according to claim 1, characterized in that the water pump (9) comprises a water pump outer cylinder (91), a pump head (94), a pump shaft (95) and a motor (98), the pump head (94) is arranged at an opening position of the water pump outer cylinder (91) to form a water pump cavity (93), the motor (98) is connected with and controls the pump shaft (95) through a coupler (97), the pump shaft (95) penetrates through the pump head (94) and extends into the water pump cavity (93), the pump shaft (95) is provided with an impeller (92) inside the water pump cavity (93), and a mechanical seal (96) is installed at the connection position of the pump shaft (95) and the pump head (94) for sealing the pump shaft (95) and the pump head (94).
3. The box-type water supply system according to claim 2, characterized in that the water pump inlet (90) and the water pump outlet (99) are of a high-low structure, the water pump inlet (90) is arranged at the middle position of one side of the water pump outer cylinder (91), and the water pump outlet (99) is arranged at the top of the other side of the water pump outer cylinder (91).
4. The box watering system according to claim 2, wherein the lowest point of the pump inlet (90) is higher than the highest point of the impeller (92).
5. The box water supply system according to claim 2, wherein the impeller (92) is a two-stage impeller.
6. The tank feedwater system of claim 1, characterized in that the water pump (9) is a variable frequency multistage centrifugal pump, with a check valve built into the pump outlet (99).
7. The box water supply system according to claim 1, characterized in that the low point of the pit (13) is provided with a blow-off valve (14), the pit (13) being below the bottom plane of the tank (51).
8. The box-type water supply system according to claim 1, characterized in that an overflow pipe (15) is arranged at the top of the water tank (51), the overflow pipe (15) is of an inverted U-shaped structure, the overflow pipe (15) is higher than the top plane of the water tank (51), and a filter (16) is arranged at the end of the overflow pipe (15).
9. The box water supply system according to claim 1, characterized in that the water tank (51) and the pump house (52) are integrated.
10. The tank watering system according to claim 1, wherein the data collector (17) and the controller (18) are integrated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020689079.4U CN212375942U (en) | 2020-04-29 | 2020-04-29 | Box type water supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020689079.4U CN212375942U (en) | 2020-04-29 | 2020-04-29 | Box type water supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212375942U true CN212375942U (en) | 2021-01-19 |
Family
ID=74161731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020689079.4U Active CN212375942U (en) | 2020-04-29 | 2020-04-29 | Box type water supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212375942U (en) |
-
2020
- 2020-04-29 CN CN202020689079.4U patent/CN212375942U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203880386U (en) | Automatic drain tank with middle baffle plate | |
| CN212375942U (en) | Box type water supply system | |
| CN111395447A (en) | Box type water supply system | |
| CN203114698U (en) | Water supplementing device for centrifugal pump station unit | |
| CN208057402U (en) | Environmentally friendly sump oil water recovery device | |
| CN103603806B (en) | A kind of strong self-priming double-sucking type self-priming pump | |
| CN213744192U (en) | Heat supply network steam self-priming pump device | |
| CN203685598U (en) | Strong self-suction and double-suction type self suction pump | |
| CN209483621U (en) | With the centrifugal water pump for automatically controlling anti-dry tap function | |
| CN201652606U (en) | Normal-pressure automatic constant pressure water-replenishing and gas-stripping device | |
| CN210853745U (en) | Vacuum automatic liquid discharge tank | |
| CN210797730U (en) | Energy-saving supercharging device for water pump | |
| CN212405334U (en) | Water circulation water tank control system | |
| CN205412659U (en) | Automatic discharging equipment of wet desulfurization tower precipitate | |
| CN207325153U (en) | A kind of urea nozzle cleans prosthetic device | |
| CN201786680U (en) | Full-automatic strong self-priming centrifugal pump | |
| CN212757772U (en) | Reduced iron wet dust removal equipment | |
| CN114893393B (en) | Exhaust device of water supply pump of gas boiler | |
| CN215216190U (en) | Pipeline drainage system | |
| CN209406000U (en) | A kind of novel demisting water seal tank arrangement | |
| CN221003147U (en) | Automatic exhaust device of centrifugal pump | |
| CN203834571U (en) | Automatic exhaust device for ship water supply system | |
| CN204023715U (en) | A kind of energy-conservation box Intelligent negative pressure-free supply equipment | |
| CN217632958U (en) | Control device for water pump | |
| CN208152142U (en) | The integrated latent pump pumping irrigation station of vacuum |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |