阅读说明：本技术 一种具有定期试验功能的车载应急移动泵组及其试验方法 (Vehicle-mounted emergency mobile pump set with periodic test function and test method thereof ) 是由 韩伟 樊凯军 史才义 赵国辉 滕建刚 周哲俊 徐霞军 黄莹广 李阳 于 2021-05-31 设计创作，主要内容包括：本发明属于车载应急补水装置技术领域,具体涉及一种具有定期试验功能的车载应急移动泵组及其试验方法,包括：车载集装箱、移动泵、车载循环水箱、车载循环水箱出口管线系统、车载循环水箱入口管线系统、移动泵出口管线系统、移动泵入口管线系统、水箱排气阀、进口球阀和水箱疏水阀；本发明设计的车载应急移动泵组具有固有定期试验功能,可以不借助外部设施,完成对泵功能的验证。车载应急移动泵组中的移动泵采用柴油机作为驱动设备,采用低速变速方案,可以变频调节柴油机组转速,提升泵组运行稳定性。(The invention belongs to the technical field of vehicle-mounted emergency water replenishing devices, and particularly relates to a vehicle-mounted emergency mobile pump set with a periodic test function and a test method thereof, wherein the vehicle-mounted emergency mobile pump set comprises the following steps: the system comprises a vehicle-mounted container, a mobile pump, a vehicle-mounted circulating water tank outlet pipeline system, a vehicle-mounted circulating water tank inlet pipeline system, a mobile pump outlet pipeline system, a mobile pump inlet pipeline system, a water tank exhaust valve, an inlet ball valve and a water tank drain valve; the vehicle-mounted emergency mobile pump set designed by the invention has an inherent regular test function, and can complete the verification of the pump function without external facilities. The mobile pump in the vehicle-mounted emergency mobile pump set adopts a diesel engine as driving equipment, adopts a low-speed change scheme, can adjust the rotating speed of the diesel engine set in a variable frequency mode, and improves the operation stability of the pump set.)

1. The utility model provides an on-vehicle emergent mobile pump group with periodic test function which characterized in that includes: the system comprises a vehicle-mounted container (21), a mobile pump (4), a vehicle-mounted circulating water tank (12), a vehicle-mounted circulating water tank outlet pipeline system, a vehicle-mounted circulating water tank inlet pipeline system, a mobile pump outlet pipeline system, a mobile pump inlet pipeline system, a water tank exhaust valve (18), an inlet ball valve (19) and a water tank drain valve (20); the mobile pump (4) is connected with a mobile pump outlet pipeline system and a mobile pump inlet pipeline system respectively; the vehicle-mounted circulating water tank (12) is connected with a vehicle-mounted circulating water tank outlet pipeline system and a vehicle-mounted circulating water tank inlet pipeline system respectively; the outlet pipeline system of the vehicle-mounted circulating water tank is connected with the outlet pipeline system of the movable pump; the inlet pipeline system of the vehicle-mounted circulating water tank is connected with the inlet pipeline system of the mobile pump; the vehicle-mounted circulating water tank (12) is also provided with a water tank exhaust valve (18), an inlet ball valve (19) and a water tank drain valve (20) respectively; the mobile pump (4), the vehicle-mounted circulating water tank (12), the vehicle-mounted circulating water tank outlet pipeline system, the vehicle-mounted circulating water tank inlet pipeline system, the mobile pump outlet pipeline system, the mobile pump inlet pipeline system, the water tank exhaust valve (18), the inlet ball valve (19) and the water tank drain valve (20) are all arranged inside the vehicle-mounted container (21).

2. The vehicle-mounted emergency mobile pump group with the periodic test function according to claim 1, characterized in that: the mobile pump (4) further comprises: a mobile pump outlet end and a mobile pump inlet end; the outlet end of the movable pump is connected with an outlet pipeline system of the movable pump, and the inlet end of the movable pump is connected with an inlet pipeline system of the movable pump.

3. The vehicle-mounted emergency mobile pump group with the periodic test function according to claim 2, characterized in that: the mobile pump outlet line system comprises: an outlet exhaust valve (5), an outlet pressure gauge (6), a full-flow outlet regulating valve (7), a full-flow outlet pressure gauge (8), a full-flow flowmeter (9), a full-flow outlet stop valve (10) and a pump set outlet pipeline (11); one end of the pump set outlet pipeline (11) is connected to the outlet end of the mobile pump, and the other end of the pump set outlet pipeline (11) is connected to a user outside the vehicle-mounted container;

an outlet exhaust valve (5), an outlet pressure gauge (6), a full-flow outlet adjusting valve (7), a full-flow outlet pressure gauge (8), a full-flow flowmeter (9) and a full-flow outlet stop valve (10) are sequentially arranged in series from the outlet end of the mobile pump to the direction of a user outside the vehicle-mounted container on the outlet pipeline (11) of the pump set.

4. On-board emergency mobile pump group with periodic test function, according to claim 3, characterized in that: the mobile pump inlet line system comprises: a pump unit inlet pipeline (1), a full-flow inlet stop valve (2) and a full-flow inlet pressure gauge (3); one end of the pump inlet pipeline (1) is connected to the inlet end of the mobile pump, and the other end of the pump inlet pipeline (1) is connected with an external water source;

a full-flow inlet stop valve (2) and a full-flow inlet pressure gauge (3) are sequentially arranged on the pump inlet pipeline (1) in series from the inlet end of the mobile pump to the direction of an external water source.

5. The vehicle-mounted emergency mobile pump group with the periodic test function according to claim 1, characterized in that: the vehicle-mounted circulating water tank (12) further comprises: the outlet end of the vehicle-mounted circulating water tank and the inlet end of the vehicle-mounted circulating water tank;

the outlet end of the vehicle-mounted circulating water tank is connected with an outlet pipeline system of the vehicle-mounted circulating water tank; the inlet end of the vehicle-mounted circulating water tank is connected with an inlet pipeline system of the vehicle-mounted circulating water tank.

6. On-board emergency mobile pump group with periodic test function, according to claim 5, characterized in that: the on-vehicle circulating water tank outlet pipeline system includes: a small-flow outlet regulating valve (14), a small-flow outlet pressure gauge (15), a small-flow flowmeter (16), a small-flow outlet stop valve (17) and a vehicle-mounted circulating water tank outlet pipeline; one end of an outlet pipeline of the vehicle-mounted circulating water tank is connected to the outlet end of the vehicle-mounted circulating water tank, and the other end of the outlet pipeline of the vehicle-mounted circulating water tank is connected to an outlet pipeline system of the mobile pump;

and a small-flow outlet stop valve (17), a small-flow flowmeter (16), a small-flow outlet pressure gauge (15) and a small-flow outlet regulating valve (14) are sequentially arranged on the outlet pipeline of the vehicle-mounted circulating water tank in the direction from the vehicle-mounted circulating water tank (12) to the outlet pipeline system of the mobile pump.

7. The vehicle-mounted emergency mobile pump group with the periodic test function according to claim 6, characterized in that: the other end of the outlet pipeline of the vehicle-mounted circulating water tank is connected between an outlet exhaust valve (5) of a mobile pump outlet pipeline system and a full-flow outlet regulating valve (7).

8. The on-board emergency mobile pump group with periodic test function according to claim 7, characterized in that: the on-board circulation tank inlet line system includes: a small flow inlet stop valve (13) and an inlet pipeline of the vehicle-mounted circulating water tank; one end of the vehicle-mounted circulating water tank inlet pipeline is connected to the inlet end of the vehicle-mounted circulating water tank, and the other end of the vehicle-mounted circulating water tank inlet pipeline is connected to the mobile pump inlet pipeline system;

and the small-flow inlet stop valve (13) is arranged on an inlet pipeline of the vehicle-mounted circulating water tank.

9. The on-board emergency mobile pump group with periodic test function according to claim 8, characterized in that: the other end of the inlet pipeline of the vehicle-mounted circulating water tank is connected between a full-flow inlet stop valve (3) of the mobile pump inlet pipeline system and the inlet end of the mobile pump.

10. The on-board emergency mobile pump group with periodic test function according to claim 9, characterized in that: the mobile pump (4) adopts a diesel engine as a driving device and has the function of adjusting the rotating speed of the diesel engine set through frequency conversion; the top end of the vehicle-mounted circulating water tank (12) is provided with a water filling port through a flange.

11. A method for testing an on-board emergency mobile pump unit with periodic test function according to any one of claims 1 to 9, comprising the steps of:

when the mobile pump runs for a short period of time, each pump group is subjected to a regular running test every 6 months, and the running test comprises the following steps: a no-load test of a mobile pump set and a recirculation small flow test of the mobile pump set;

the method comprises the following steps: moving a pump set to perform no-load test;

starting the diesel engine to check the rotating speed and the steering direction of the diesel engine, and closing the diesel engine after running for 10 minutes;

step two: moving a pump set to recycle the small flow test;

step 2.1: before the test, the full-flow inlet stop valve (2), the full-flow outlet stop valve (10), the full-flow outlet regulating valve (7) and the water tank drain valve (20) are required to be closed completely;

step 2.2: checking that the inlet ball valve (19) and the outlet exhaust valve (5) are in a completely closed state; a small flow inlet stop valve (13), a small flow outlet pressure gauge (15), a small flow outlet stop valve (17) and a water tank exhaust valve (18) are completely opened, and a small flow outlet regulating valve (14) has the opening degree of 1/4;

step 2.3: injecting water into the vehicle-mounted circulating water tank; stopping water injection when the water injection level of the vehicle-mounted circulating water tank is at the 2/3 liquid level indicated by the liquid meter scales;

step 2.4: starting the vehicle-mounted emergency mobile pump set, slowly adjusting a small-flow outlet adjusting valve (14) after the rotating speed of the mobile pump is increased from an idle speed to a medium speed, adjusting the flow, and testing for 30 minutes; and every 10 minutes of operation, check the temperature of the small flow meter (16) and water tank of the pump; if the temperature of the water tank is more than or equal to the specified temperature, the machine is stopped immediately.

Technical Field

The invention belongs to the technical field of vehicle-mounted emergency water replenishing devices, and particularly relates to a vehicle-mounted emergency mobile pump set with a periodic test function and a test method thereof.

Background

The traditional mobile pump does not meet the requirement of being available at any time under emergency conditions, reliability design is not carried out, preventive maintenance activities cannot be carried out in daily period, for example, whether the mobile pump normally operates or not is tested regularly, and the traditional mobile pump does not have the capacity of carrying out preventive verification on the availability regularly; the requirement of reliability management of an operation unit is not met, and the risk of emergency starting failure exists.

In remote places and places temporarily needing water supply, particularly nuclear power stations, under the condition of power failure of the whole plant, a mobile pump group which can be quickly and conveniently operated and quickly put into service and continuously and stably supply water with certain parameters is needed; and there is no corresponding device that can solve the above-mentioned problem in the existing pump product series, therefore need design a kind of vehicle carried emergency mobile pump group with periodic test function, in order to solve the deficiency in the prior art.

Disclosure of Invention

The invention designs a vehicle-mounted emergency mobile pump group with a periodic test function and a test method thereof, which are used for solving the technical problems that the traditional mobile pump cannot be used at any time under an emergency condition and does not have the periodic test function.

The technical scheme of the invention is as follows:

an on-vehicle emergent mobile pump package with periodic test function includes: the system comprises a vehicle-mounted container, a mobile pump, a vehicle-mounted circulating water tank outlet pipeline system, a vehicle-mounted circulating water tank inlet pipeline system, a mobile pump outlet pipeline system, a mobile pump inlet pipeline system, a water tank exhaust valve, an inlet ball valve and a water tank drain valve; the movable pump is connected with a movable pump outlet pipeline system and a movable pump inlet pipeline system respectively; the vehicle-mounted circulating water tank is connected with a vehicle-mounted circulating water tank outlet pipeline system and a vehicle-mounted circulating water tank inlet pipeline system respectively; the outlet pipeline system of the vehicle-mounted circulating water tank is connected with the outlet pipeline system of the movable pump; the inlet pipeline system of the vehicle-mounted circulating water tank is connected with the inlet pipeline system of the mobile pump; the vehicle-mounted circulating water tank is also provided with a water tank exhaust valve, an inlet ball valve and a water tank drain valve respectively; the mobile pump, the vehicle-mounted circulating water tank outlet pipeline system, the vehicle-mounted circulating water tank inlet pipeline system, the mobile pump outlet pipeline system, the mobile pump inlet pipeline system, the water tank exhaust valve, the inlet ball valve and the water tank drain valve are all arranged inside the vehicle-mounted container.

The mobile pump further comprises: a mobile pump outlet end and a mobile pump inlet end; the outlet end of the movable pump is connected with an outlet pipeline system of the movable pump, and the inlet end of the movable pump is connected with an inlet pipeline system of the movable pump.

The mobile pump outlet line system comprises: an outlet exhaust valve, an outlet pressure gauge, a full-flow outlet regulating valve, a full-flow outlet pressure gauge, a full-flow flowmeter, a full-flow outlet stop valve and a pump set outlet pipeline; one end of the pump set outlet pipeline is connected to the outlet end of the mobile pump, and the other end of the pump set outlet pipeline is connected to a user outside the vehicle-mounted container;

and an outlet exhaust valve, an outlet pressure gauge, a full flow outlet regulating valve, a full flow outlet pressure gauge, a full flow flowmeter and a full flow outlet stop valve are sequentially arranged in series from the outlet end of the mobile pump to the direction of a user outside the vehicle-mounted container on the outlet pipeline of the pump set.

The mobile pump inlet line system comprises: a pump set inlet pipeline, a full-flow inlet stop valve and a full-flow inlet pressure gauge; one end of the pump inlet pipeline is connected to the inlet end of the mobile pump, and the other end of the pump inlet pipeline is connected with an external water source;

and a full-flow inlet stop valve and a full-flow inlet pressure gauge are sequentially arranged in series from the inlet end of the mobile pump to the direction of an external water source on the inlet pipeline of the pump set.

Still include on the on-vehicle circulating water tank: the outlet end of the vehicle-mounted circulating water tank and the inlet end of the vehicle-mounted circulating water tank;

the outlet end of the vehicle-mounted circulating water tank is connected with an outlet pipeline system of the vehicle-mounted circulating water tank; the inlet end of the vehicle-mounted circulating water tank is connected with an inlet pipeline system of the vehicle-mounted circulating water tank.

The on-vehicle circulating water tank outlet pipeline system includes: the system comprises a small-flow outlet regulating valve, a small-flow outlet pressure gauge, a small-flow flowmeter, a small-flow outlet stop valve and a vehicle-mounted circulating water tank outlet pipeline; one end of an outlet pipeline of the vehicle-mounted circulating water tank is connected to the outlet end of the vehicle-mounted circulating water tank, and the other end of the outlet pipeline of the vehicle-mounted circulating water tank is connected to an outlet pipeline system of the mobile pump;

and a small-flow outlet stop valve, a small-flow flowmeter, a small-flow outlet pressure gauge and a small-flow outlet regulating valve are sequentially arranged on the outlet pipeline of the vehicle-mounted circulating water tank in the direction from the vehicle-mounted circulating water tank to the outlet pipeline system of the mobile pump.

The other end of the outlet pipeline of the vehicle-mounted circulating water tank is connected between an outlet exhaust valve and a full-flow outlet regulating valve of a mobile pump outlet pipeline system.

The on-board circulation tank inlet line system includes: a small flow inlet stop valve and a vehicle-mounted circulating water tank inlet pipeline; one end of the vehicle-mounted circulating water tank inlet pipeline is connected to the inlet end of the vehicle-mounted circulating water tank, and the other end of the vehicle-mounted circulating water tank inlet pipeline is connected to the mobile pump inlet pipeline system;

the small-flow inlet stop valve is arranged on an inlet pipeline of the vehicle-mounted circulating water tank.

And the other end of the inlet pipeline of the vehicle-mounted circulating water tank is connected between a full-flow inlet stop valve of the mobile pump inlet pipeline system and the inlet end of the mobile pump.

The mobile pump adopts a diesel engine as a driving device and has the function of adjusting the rotating speed of the diesel engine set through frequency conversion; and a water filling port is arranged at the top end of the vehicle-mounted circulating water tank through a flange.

The test method of the vehicle-mounted emergency mobile pump unit with the periodic test function comprises the following steps:

when the mobile pump runs for a short period of time, each pump group is subjected to a regular running test every 6 months, and the running test comprises the following steps: a no-load test of a mobile pump set and a recirculation small flow test of the mobile pump set;

the method comprises the following steps: moving a pump set to perform no-load test;

starting the diesel engine to check the rotating speed and the steering direction of the diesel engine, and closing the diesel engine after running for 10 minutes;

step two: moving a pump set to recycle the small flow test;

step 2.1: before the test, the full-flow inlet stop valve, the full-flow outlet regulating valve and the water tank drain valve are all closed;

step 2.2: checking that the inlet ball valve and the outlet exhaust valve are in a completely closed state; the small-flow inlet stop valve, the small-flow outlet pressure gauge, the small-flow outlet stop valve and the water tank exhaust valve are completely opened, and the small-flow outlet regulating valve is 1/4 degrees;

step 2.3: injecting water into the vehicle-mounted circulating water tank; stopping water injection when the water injection level of the vehicle-mounted circulating water tank is at the 2/3 liquid level indicated by the liquid meter scales;

step 2.4: starting a vehicle-mounted emergency mobile pump set, slowly adjusting a small-flow outlet adjusting valve after the rotating speed of the mobile pump is increased from an idle speed to a medium speed, adjusting the flow, and testing for 30 minutes; and every 10 minutes of operation, check the temperature of the small flow meter and water tank of the pump; if the temperature of the water tank is more than or equal to the specified temperature, the machine is stopped immediately.

The invention has the beneficial effects that:

the vehicle-mounted emergency mobile pump set with the periodic test function has the inherent periodic test function, and can complete the verification of the pump function without external facilities. The mobile pump in the vehicle-mounted emergency mobile pump set adopts a diesel engine as driving equipment, adopts a low-speed change scheme, can adjust the rotating speed of the diesel engine set in a variable frequency mode, and improves the operation stability of the pump set.

The vehicle-mounted diesel engine mobile pump designed by the invention can be connected with an emergency water taking point and a pump inlet pipeline for supplying water under the condition that a large amount of water sources need to be provided emergently.

When the vehicle-mounted diesel engine mobile pump set designed by the invention runs for a short period of time, the mobile pump set performs test running tests on the pump set every 6 months, and the test scheme comprises two types: the diesel engine is subjected to a no-load test working condition and a recirculation small-flow test working condition, the reliability of the diesel engine and the reliability of the mobile pump are verified respectively, and the implementation of a periodic test is simplified.

The movable pump suction ports in the vehicle-mounted diesel engine movable pump group are coaxially arranged, a set of shaft seal and oil lubrication bearing assembly is omitted, and the vehicle-mounted diesel engine movable pump group is suitable for being installed in a vehicle-mounted container.

The vehicle-mounted diesel engine mobile pump set designed by the invention takes the container as a design boundary, the whole mobile pump set system is arranged in the container, an operation and maintenance space is reserved, the whole structure is compact, and the vehicle-mounted diesel engine mobile pump set is suitable for being installed on mobile platforms such as vehicles.

The vehicle-mounted diesel engine mobile pump designed by the invention is put into operation, and is the first vehicle-mounted diesel engine emergency mobile pump applied to the nuclear power station with the largest power, the largest size tonnage, the largest number of stages and the highest parameters (flow/lift).

Drawings

FIG. 1 is a schematic connection diagram of an internal structure of a vehicle-mounted emergency mobile pump unit with a periodic test function according to the invention;

wherein: 1-pump set inlet pipeline, 2-full flow inlet stop valve, 3-full flow inlet pressure gauge, 4-mobile pump, 5-outlet vent valve, 6-outlet pressure gauge, 7-full flow outlet regulating valve, 8-full flow outlet pressure gauge, 9-full flow flowmeter, 10-full flow outlet stop valve, 11-pump set outlet pipeline, 12-vehicle circulation water tank, 13-small flow inlet stop valve, 14-small flow outlet regulating valve, 15-small flow outlet pressure gauge, 16-small flow flowmeter, 17-small flow outlet stop valve, 18-water tank vent valve, 19-inlet ball valve, 20-water tank drain valve and 21-vehicle container.

Detailed Description

The following describes in detail a vehicle-mounted emergency mobile pump unit with a periodic test function and a test method thereof according to the present invention with reference to the accompanying drawings and embodiments.

As shown in fig. 1, an on-vehicle emergency mobile pump unit with a periodic test function includes: the system comprises a vehicle-mounted container 21, a mobile pump 4, a vehicle-mounted circulating water tank 12, a vehicle-mounted circulating water tank outlet pipeline system, a vehicle-mounted circulating water tank inlet pipeline system, a mobile pump outlet pipeline system, a mobile pump inlet pipeline system, a water tank exhaust valve 18, an inlet ball valve 19 and a water tank drain valve 20; the mobile pump 4 is respectively connected with a mobile pump outlet pipeline system and a mobile pump inlet pipeline system; the vehicle-mounted circulating water tank 12 is connected with a vehicle-mounted circulating water tank outlet pipeline system and a vehicle-mounted circulating water tank inlet pipeline system respectively; the outlet pipeline system of the vehicle-mounted circulating water tank is connected with the outlet pipeline system of the movable pump; the inlet pipeline system of the vehicle-mounted circulating water tank is connected with the inlet pipeline system of the mobile pump; the vehicle-mounted circulating water tank 12 is also provided with a water tank exhaust valve 18, an inlet ball valve 19 and a water tank drain valve 20 respectively; the mobile pump 4, the vehicle-mounted circulating water tank 12, the vehicle-mounted circulating water tank outlet pipeline system, the vehicle-mounted circulating water tank inlet pipeline system, the mobile pump outlet pipeline system, the mobile pump inlet pipeline system, the water tank exhaust valve 18, the inlet ball valve 19 and the water tank drain valve 20 are all arranged inside the vehicle-mounted container 21.

The mobile pump 4 further comprises: a mobile pump outlet end and a mobile pump inlet end; the outlet end of the movable pump is connected with an outlet pipeline system of the movable pump, and the inlet end of the movable pump is connected with an inlet pipeline system of the movable pump.

The mobile pump outlet line system comprises: an outlet exhaust valve 5, an outlet pressure gauge 6, a full-flow outlet regulating valve 7, a full-flow outlet pressure gauge 8, a full-flow flowmeter 9, a full-flow outlet stop valve 10 and a pump set outlet pipeline 11; one end of the pump set outlet pipeline 11 is connected to the outlet end of the mobile pump, and the other end of the pump set outlet pipeline 11 is connected to a user outside the vehicle-mounted container;

an outlet exhaust valve 5, an outlet pressure gauge 6, a full flow outlet adjusting valve 7, a full flow outlet pressure gauge 8, a full flow flowmeter 9 and a full flow outlet stop valve 10 are sequentially arranged on the pump set outlet pipeline 11 in series from the outlet end of the mobile pump to the direction of a user outside the vehicle-mounted container.

The mobile pump inlet line system comprises: a pump set inlet pipeline 1, a full-flow inlet stop valve 2 and a full-flow inlet pressure gauge 3; one end of the pump inlet pipeline 1 is connected to the inlet end of the mobile pump, and the other end of the pump inlet pipeline 1 is connected with an external water source;

the pump set inlet pipeline 1 is sequentially provided with a full-flow inlet stop valve 2 and a full-flow inlet pressure gauge 3 in series in the direction from the inlet end of the mobile pump to an external water source.

The vehicle-mounted circulating water tank 12 further comprises: the outlet end of the vehicle-mounted circulating water tank and the inlet end of the vehicle-mounted circulating water tank;

the outlet end of the vehicle-mounted circulating water tank is connected with an outlet pipeline system of the vehicle-mounted circulating water tank; the inlet end of the vehicle-mounted circulating water tank is connected with an inlet pipeline system of the vehicle-mounted circulating water tank.

The on-vehicle circulating water tank outlet pipeline system includes: a small flow outlet regulating valve 14, a small flow outlet pressure gauge 15, a small flow flowmeter 16, a small flow outlet stop valve 17 and a vehicle-mounted circulating water tank outlet pipeline; one end of an outlet pipeline of the vehicle-mounted circulating water tank is connected to the outlet end of the vehicle-mounted circulating water tank, and the other end of the outlet pipeline of the vehicle-mounted circulating water tank is connected to an outlet pipeline system of the mobile pump;

and a small-flow outlet stop valve 17, a small-flow flowmeter 16, a small-flow outlet pressure gauge 15 and a small-flow outlet regulating valve 14 are sequentially arranged on the outlet pipeline of the vehicle-mounted circulating water tank in the direction from the vehicle-mounted circulating water tank 12 to the outlet pipeline system of the mobile pump.

The other end of the outlet pipeline of the vehicle-mounted circulating water tank is connected between an outlet exhaust valve 5 and a full-flow outlet regulating valve 7 of a mobile pump outlet pipeline system.

The on-board circulation tank inlet line system includes: a small flow inlet stop valve 13 and a vehicle-mounted circulating water tank inlet pipeline; one end of the vehicle-mounted circulating water tank inlet pipeline is connected to the inlet end of the vehicle-mounted circulating water tank, and the other end of the vehicle-mounted circulating water tank inlet pipeline is connected to the mobile pump inlet pipeline system;

the small flow inlet shutoff valve 13 is disposed on the vehicle-mounted circulation tank inlet line.

The other end of the inlet pipeline of the vehicle-mounted circulating water tank is connected between a full-flow inlet stop valve 3 of the mobile pump inlet pipeline system and the inlet end of the mobile pump.

The mobile pump 4 adopts a diesel engine as a driving device and has the function of adjusting the rotating speed of the diesel engine set through frequency conversion; the top end of the vehicle-mounted circulating water tank 12 is provided with a water filling port through a flange.

The test method of the vehicle-mounted emergency mobile pump unit with the periodic test function comprises the following steps:

when the mobile pump runs for a short period of time, each pump group is subjected to a regular running test every 6 months, and the running test comprises the following steps: a no-load test of a mobile pump set and a recirculation small flow test of the mobile pump set;

the method comprises the following steps: moving a pump set to perform no-load test;

starting the diesel engine to check the rotating speed and the steering direction of the diesel engine, and closing the diesel engine after running for 10 minutes;

step two: moving a pump set to recycle the small flow test;

step 2.1: before the test, the full-flow inlet stop valve 2, the full-flow outlet stop valve 10, the full-flow outlet regulating valve 7 and the water tank drain valve 20 are all closed;

step 2.2: checking the inlet ball valve 19 and the outlet exhaust valve 5 to be in a completely closed state; the small-flow inlet stop valve 13, the small-flow outlet pressure gauge 15, the small-flow outlet stop valve 17 and the water tank exhaust valve 18 are completely opened, and the small-flow outlet regulating valve 14 has the opening degree of 1/4;

step 2.3: injecting water into the vehicle-mounted circulating water tank; stopping water injection when the water injection level of the vehicle-mounted circulating water tank is at the 2/3 liquid level indicated by the liquid meter scales;

step 2.4: starting the vehicle-mounted emergency mobile pump set, slowly adjusting the small-flow outlet adjusting valve 14 after the rotating speed of the mobile pump is increased from an idle speed to a medium speed, adjusting the flow, and performing a test, wherein the running time is 30 minutes; and every 10 minutes of operation, check the temperature of the small flow meter 16 and water tank of the pump; if the temperature of the water tank is more than or equal to the specified temperature, the machine is stopped immediately.

While the embodiments of the present invention have been described in detail, the present invention is not limited to the above-described examples, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.