CN209761747U - Water supply system of fire pump - Google Patents
Water supply system of fire pump Download PDFInfo
- Publication number
- CN209761747U CN209761747U CN201920579649.1U CN201920579649U CN209761747U CN 209761747 U CN209761747 U CN 209761747U CN 201920579649 U CN201920579649 U CN 201920579649U CN 209761747 U CN209761747 U CN 209761747U
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- Prior art keywords
- water
- tank
- pipe
- air
- pump
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- Expired - Fee Related
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 259
- 238000007789 sealing Methods 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 230000002026 carminative effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Landscapes
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model discloses a water supply system of a fire pump, which comprises a water pump, a water diversion tank and an electric control device; the upper part of the water diversion tank is connected with an inverted L-shaped tank water inlet pipe, and a water inlet check valve is arranged on the tank water inlet pipe; a tank water outlet pipe is arranged on one side of the bottom of the water diversion tank, and the outlet of the tank water outlet pipe is connected with the inlet of the pump water inlet pipe; the top of the water diversion tank is provided with a water filling port; the middle of the top of the water diversion tank is provided with a three-way type air inlet and outlet adjusting mechanism consisting of an air inlet pipe, an air outlet pipe and an air inlet and outlet pipe, the air inlet and outlet pipe is inserted into the top of the water diversion tank, a water-blocking air inlet and outlet valve is arranged in the air inlet and outlet pipe, an air-entrapping electromagnetic valve is arranged on the air inlet pipe, and an air outlet check valve is; an upper water level controller and a lower water level controller which are used for the upper water level and the lower water level in the water diversion tank and are connected with the electric control device are arranged on the tank wall of the water diversion tank; the electric control device is respectively connected with the motor and the gas filling electromagnetic valve and is used for controlling the starting and stopping of the water pump and the opening and closing of the gas filling electromagnetic valve. The utility model discloses easily installation and maintenance are convenient.
Description
Technical Field
The utility model belongs to the technical field of the fire-fighting equipment technique and specifically relates to a fire pump water supply system is related to.
Background
The self-priming pump has the advantages that due to the special structure of the pump body of the self-priming pump, after the water pump stops rotating, a certain amount of water is stored in the pump body, after the pump is started again, due to the rotation effect of the impeller, air and water in the suction pipeline are fully mixed and discharged to the air-water separation chamber, air on the upper portion of the air-water separation chamber overflows, water on the lower portion returns to the impeller and is mixed with residual air in the suction pipeline again until the air in the pump and the suction pipeline is completely discharged, self priming is completed, and normal water pumping is.
If the suction liquid level of the common centrifugal pump is below the impeller, water should be filled in advance during starting, which is very inconvenient. In order to store water in the pump, the inlet of the suction pipe needs to be provided with a bottom valve, and the bottom valve causes great hydraulic loss when the pump works. The self-priming pump does not need to be filled with water before starting (water still needs to be filled after the pump is started for the first time after installation), and water can be sucked up by the action of the pump after the pump runs for a short time, so that the pump can work normally.
The existing fire pump is generally installed in a self-filling mode, a bottom valve of the existing fire pump is located in pool water, the existing fire pump is easy to damage and inconvenient to maintain, and once the bottom valve breaks down, a fire-fighting system cannot be normally used. Therefore, the existing fire-fighting water pump water supply system has the defects of unreliable work, inconvenient installation and maintenance and the like.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome the not enough and provide a fire pump water supply system of prior art, easily install and maintain the convenience.
In order to solve the technical problem, the utility model discloses the technical scheme who takes is:
A fire pump water supply system comprises a water pump, a water diversion tank and an electric control device, wherein the water pump is driven by a motor and is provided with a pump water inlet pipe, a pump air vent and a pump water outlet pipe; the upper part of the water diversion tank is provided with a tank water inlet, the tank water inlet is connected with an inverted L-shaped tank water inlet pipe, and the tank water inlet pipe is provided with a water inlet check valve; a tank water outlet pipe is arranged on one side of the bottom of the water diversion tank, and the outlet of the tank water outlet pipe is connected with the inlet of the pump water inlet pipe; a water filling port is arranged on one side of the top of the water diversion tank, and a water filling valve is arranged on the water filling port; the top of the water diversion tank is provided with a three-way type air inlet and outlet adjusting mechanism consisting of an air inlet pipe, an air outlet pipe and an air inlet and outlet pipe, the air inlet and outlet pipe is inserted into the top of the water diversion tank, a water blocking air inlet and outlet valve is arranged in a pipe orifice of the air inlet and outlet pipe in the tank, an air entrainment electromagnetic valve is arranged on the air inlet pipe, and an exhaust check valve is arranged on the air outlet pipe; an upper water level controller and a lower water level controller which are respectively used for detecting the upper water level and the lower water level in the water diversion tank and are connected with an electric control device are arranged on the tank wall of the water diversion tank; and the electric control device is respectively connected with the motor and the gas filling electromagnetic valve and is used for controlling the starting and stopping of the water pump and the opening and closing of the gas filling electromagnetic valve.
Furthermore, the tank water inlet pipe consists of an upper transverse pipe and a lower vertical pipe, the upper transverse pipe is fixedly connected with a tank water inlet at the upper part of the water diversion tank, and the water inlet check valve is arranged on the lower vertical pipe; a filter is arranged between the upper transverse pipe and the tank water inlet on the upper part of the water diversion tank, a drain pipe is arranged on the lower vertical pipe and on the upper side of the water inlet check valve, and a drain valve is further arranged on the drain pipe.
Furthermore, an observation window is arranged on the transverse outer side of the upper transverse pipe, and a sight glass with an observation lamp is further arranged on the observation window.
Furthermore, the top of the water diversion tank is communicated with a transverse air guide pipe, a sealing cover is arranged on an outer pipe opening on one transverse side of the air guide pipe, the air inlet pipe and the air outlet pipe are transversely inserted into the sealing cover, the air inlet pipe is transversely arranged, and the air outlet pipe is vertically and upwards arranged.
Furthermore, a tank air suction hole is formed in the other side of the top of the water diversion tank, the pump air discharge hole is connected with the tank air suction hole through an air guide pipe, and an air inlet check valve is further arranged on the air guide pipe.
Furthermore, a tank water outlet is arranged on the other side of the bottom of the water diversion tank.
Furthermore, the middle upper part of the water diversion tank is provided with an observation hole.
Furthermore, a water separator is arranged in the middle of the water diversion tank.
Furthermore, the lower part in the water diversion tank is provided with an anti-rotation fence.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
The utility model discloses can be higher than the ground installation, reduce the operating expenses and the degree of difficulty, shorten construction period. The water pump is installed above ground, has stopped the danger that the water pump was flooded, has guaranteed the better work of water pump, has increased the life of water pump, has ensured the reliability of fire control. The check valve that intakes installs above ground, and waterproof refluence is broken down and is changed easily. The head of the water inlet pipe of the tank directly extends into the water pool without installing a bottom valve, so that the material and the power consumption are greatly reduced.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged schematic view of the intake and exhaust mechanism of FIG. 1;
In the figure: 1. the device comprises a tank water inlet pipe, 2, a water inlet check valve, 3, a blow-off pipe, 4, a blow-off valve, 5, a viewing mirror, 6, a water filling port, 7, an observation hole, 8, a water separator, 9, a rotation prevention fence, 10, a filter, 11, a tank suction hole, 12, a water discharge port, 13, an air guide pipe, 14, an upper water level controller, 15, a lower water level controller, 16, a tank water outlet pipe, 17, an exhaust pipe, 18, an air inlet pipe, 19, a pump water inlet pipe, 20, a pump air discharge hole, 21, a pump water outlet pipe, 22 water pumps, 23, a motor, 24, an air adding electromagnetic valve, 25, an exhaust check valve, 26, a water blocking air.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in the figure, the utility model discloses a fire pump water supply system, which comprises a water pump 22, a water diversion tank and an electric control device, wherein the water pump 22 is driven by a motor 23 and is provided with a pump water inlet pipe 19, a pump air vent 20 and a pump water outlet pipe 21; the upper part of the water diversion tank is provided with a tank water inlet, the tank water inlet is connected with an inverted L-shaped tank water inlet pipe 1, and the tank water inlet pipe 1 is provided with a water inlet check valve 2; a tank water outlet pipe 16 is arranged on one side of the bottom of the water diversion tank, a tank water outlet 12 is arranged on the other side of the bottom of the water diversion tank, and the outlet of the tank water outlet pipe 16 is connected with the inlet of a pump water inlet pipe 19; a water filling port 6 is arranged on one side of the top of the water diversion tank, and a water filling valve is arranged on the water filling port 6; the top of the diversion tank is provided with a three-way type air inlet and exhaust adjusting mechanism consisting of an air inlet pipe 18, an exhaust pipe 17 and an air inlet and exhaust pipe 27, the air inlet pipe 18 and the exhaust pipe 17 are both positioned outside the tank, the air inlet and exhaust pipe 27 is inserted at the top of the diversion tank, a water blocking air inlet and exhaust valve 26 is arranged in a pipe orifice of the air inlet and exhaust pipe 27 positioned in the tank, the air inlet pipe 18 is provided with an air adding electromagnetic valve 24 for controlling air adding into the diversion tank, and the exhaust pipe 17 is provided with an exhaust check valve 25 for controlling air outlet only outside; an upper water level controller 14 and a lower water level controller 15 which are respectively used for detecting the upper water level and the lower water level in the water diversion tank and are connected with an electric control device are arranged on the tank wall of the water diversion tank; the electric control device is respectively connected with the motor 23 and the gas filling electromagnetic valve 24 and is used for controlling the start and stop of the water pump 22 and the opening and closing of the gas filling electromagnetic valve 24.
The tank water inlet pipe 1 is used for sucking water in the water pool into the equipment, and a lower pipe opening of the tank water inlet pipe 1 extends into the water pool; the water inlet check valve 2 prevents water in the tank from flowing backwards and can play a role in ensuring the pressure in the water supply system. A bolt is arranged in the water outlet 12 and used for discharging accumulated water in the tank. When the water diversion tank is started for the first time, water in the water tank can be continuously pumped out by injecting water into the water diversion tank through the water filling port 6 and then starting the water pump 22. The air intake and exhaust adjusting mechanism is used for automatically adjusting the air pressure in the water diversion tank during the water pumping process and preventing the water in the tank from being discharged from the water diversion tank. The exhaust pipe 17 can exhaust harmful gas entering the water diversion tank along with water in the water pumping process; the air inlet pipe 18 is used for inflating air into the tank when air needs to be added into the water diversion tank, and an air inflation device such as an air pump is connected to an outer pipe opening of the air inlet pipe 18. The upper water level controller 14 and the lower water level controller 15 are used for ensuring the water level requirement of normal operation of the equipment, so that the water pump 22 operates not lower than the lower water level, and the water pump 22 can be started after reaching the upper water level. When the water level in the tank is lower than the position of the lower water level controller 15, the electric control device stops the water pump 22, simultaneously opens the air-entrapping electromagnetic valve 24, rapidly inflates air into the water diversion tank by using the air-inflating device to enable the air pressure in the tank to reach a specified value, and then closes the air-entrapping electromagnetic valve 24; the gas in the tank is then exhausted through the exhaust pipe 17, and water is sucked into the water diversion tank to reach the position of the upper water level controller 14, and the electric control device restarts the water pump 22.
The tank water inlet pipe 1 of the utility model consists of an upper horizontal pipe and a lower vertical pipe, the upper horizontal pipe is fixedly connected with a tank water inlet at the upper part of the diversion tank, and a water inlet check valve 2 is arranged on the lower vertical pipe; a filter 10 is arranged between the upper horizontal pipe and the tank water inlet on the upper part of the water diversion tank, a drain pipe 3 is arranged on the lower vertical pipe and on the upper side of the water inlet check valve 2, and a drain valve 4 is also arranged on the drain pipe 3. The filter 10 is used for filtering the water entering the water diversion tank from the tank water inlet pipe 1, so that impurities are prevented from entering the water diversion tank and the water pump, and the service life of the water pump is prolonged. The drain pipe 3 and the drain valve 4 are used to drain the filth in the filter 10, which is used in case of stopping the pump. The filter 10, the blow-off pipe 3 and the blow-off valve 4 are combined for use, so that impurities in water can be conveniently discharged; when in pollution discharge, the pollution discharge valve 4 on the pollution discharge pipe 3 is opened, and the sewage can be conveniently discharged by utilizing the self pressure of the sewage.
The utility model discloses the observation window has been seted up in the horizontal outside of going up violently pipe to still be provided with the sight glass 5 of taking the observation lamp on this observation window. The sight glass 5 is used to observe the quality of water in the filter 10 and the dynamic filtration condition of the water. An observation hole 7 is arranged at the middle upper part of the water diversion tank; the observation hole 7 is used for observing the water quality and the internal condition in the tank.
The top of the water diversion tank of the utility model is communicated with a transverse air duct 13, and the outer pipe orifice on one side of the transverse air duct 13 is provided with a sealing cover. The three-way air inlet and outlet adjusting mechanism is integrally in an inverted T shape, the air inlet and outlet pipe 27 and the air inlet pipe 18 are both transversely arranged, the air outlet pipe 17 is vertically upward, and the air inlet and outlet pipe 27 is transversely inserted on the sealing cover. The air intake and exhaust adjusting mechanism is arranged in such a way, so that the volume of air in the water diversion tank is further reduced when the water diversion tank is in a negative pressure state.
The utility model discloses the top opposite side of diversion jar is provided with jar suction hole 11, and pump air release hole 20 passes through the air duct and links to each other with jar suction hole 11 to still be provided with on the air duct and be used for control can only be to jar carminative check valve that admits air in. The purpose of the connection is to well pump out the air around and inside the mechanical seal in the water pump 22 to be discharged into the tank by utilizing the pressure in the system so as to improve the use condition of the mechanical seal, so that no gas exists around the mechanical seal, the sufficient heat dissipation of the mechanical seal is realized, the normal operation of the water pump 22 is ensured, and the service life of the water pump 22 is prolonged.
The utility model discloses the middle part is provided with water knockout drum 8 in the jar of diversion jar. The water separator 8 is arranged in the water diversion tank, can disperse water entering the water diversion tank, reduces water column type stamping and is beneficial to the dispersion and the rising of gas.
The utility model discloses the lower part in the jar of diversion jar is provided with prevents revolving fence 9. The anti-rotation fence 9 is arranged inside the water diversion tank and used for preventing water flow from forming vortex and sucking air into the water pump to influence work.
Claims (9)
1. The utility model provides a fire pump water supply system which characterized in that: comprises a water pump (22), a water tank and an electric control device, wherein the water pump is driven by a motor (23) and is provided with a pump water inlet pipe (19), a pump air vent (20) and a pump water outlet pipe (21); a tank water inlet is formed in the upper portion of the water diversion tank, an inverted L-shaped tank water inlet pipe (1) is connected to the tank water inlet, and a water inlet check valve (2) is arranged on the tank water inlet pipe (1); a tank water outlet pipe (16) is arranged on one side of the bottom of the water diversion tank, and the outlet of the tank water outlet pipe (16) is connected with the inlet of a pump water inlet pipe (19); a water filling port (6) is arranged on one side of the top of the water diversion tank, and a water filling valve is arranged on the water filling port (6); the top of the water diversion tank is provided with a three-way type air inlet and outlet adjusting mechanism consisting of an air inlet pipe (18), an air outlet pipe (17) and an air inlet and outlet pipe (27), the air inlet and outlet pipe (27) is inserted into the top of the water diversion tank, a water blocking air inlet and outlet valve (26) is arranged in a pipe orifice of the air inlet and outlet pipe (27) in the tank, the air inlet pipe (18) is provided with an air entrainment electromagnetic valve (24), and the air outlet pipe (17) is provided with an air outlet check valve (25; an upper water level controller (14) and a lower water level controller (15) which are respectively used for detecting the upper water level and the lower water level in the water diversion tank and are connected with an electric control device are arranged on the tank wall of the water diversion tank; the electric control device is respectively connected with the motor (23) and the gas filling electromagnetic valve (24) and is used for controlling the starting and stopping of the water pump (22) and the opening and closing of the gas filling electromagnetic valve (24).
2. A fire pump water supply system as claimed in claim 1, wherein: the tank water inlet pipe (1) consists of an upper transverse pipe and a lower vertical pipe, the upper transverse pipe is fixedly connected with a tank water inlet at the upper part of the water diversion tank, and the water inlet check valve (2) is arranged on the lower vertical pipe; a filter (10) is arranged between the upper horizontal pipe and the tank water inlet on the upper part of the water diversion tank, a drain pipe (3) is arranged on the lower vertical pipe and on the upper side of the water inlet check valve (2), and a drain valve (4) is further arranged on the drain pipe (3).
3. a fire pump water supply system as claimed in claim 2, wherein: an observation window is arranged on the transverse outer side of the upper transverse pipe, and a sight glass (5) with an observation lamp is further arranged on the observation window.
4. A fire pump water supply system as claimed in claim 1, wherein: the top of the water diversion tank is communicated with a transverse air guide pipe (13), a sealing cover is arranged on an outer pipe opening on one transverse side of the air guide pipe (13), the air inlet and exhaust pipe (27) is transversely inserted into the sealing cover, the air inlet pipe (18) is transversely arranged, and the exhaust pipe (17) is vertically and upwards arranged.
5. A fire pump water supply system as claimed in claim 1, wherein: the other side of the top of the water diversion tank is provided with a tank air suction hole (11), the pump air release hole (20) is connected with the tank air suction hole (11) through an air guide pipe, and an air inlet check valve is further arranged on the air guide pipe.
6. A fire pump water supply system as claimed in claim 1, wherein: the other side of the bottom of the water diversion tank is provided with a tank water outlet (12).
7. A fire pump water supply system as claimed in claim 1, wherein: and an observation hole (7) is formed in the middle upper part of the water diversion tank.
8. a fire pump water supply system as claimed in claim 1, wherein: and a water separator (8) is arranged in the middle of the inside of the water diversion tank.
9. A fire pump water supply system as claimed in claim 1, wherein: and the lower part in the water diversion tank is provided with a rotation-preventing fence (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920579649.1U CN209761747U (en) | 2019-04-26 | 2019-04-26 | Water supply system of fire pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920579649.1U CN209761747U (en) | 2019-04-26 | 2019-04-26 | Water supply system of fire pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209761747U true CN209761747U (en) | 2019-12-10 |
Family
ID=68760446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920579649.1U Expired - Fee Related CN209761747U (en) | 2019-04-26 | 2019-04-26 | Water supply system of fire pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209761747U (en) |
-
2019
- 2019-04-26 CN CN201920579649.1U patent/CN209761747U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191210 |