CN209482395U - A kind of recirculated water energy conservation pump group water supply device - Google Patents

Abstract

The utility model discloses a kind of recirculated water energy conservation pump group water supply devices, including water source water tank and water source main valve, the water source water tank side dismantling connection has water source main valve, water source main valve side is provided with No.1 pump group inlet valve, the No.1 pump group inlet valve bottom side is provided with No. two pump group inlet valves, and No. two pump group inlet valves and No.1 pump group inlet valve one end pass through pipeline and are connected with water source main valve output end, No.1 pump group inlet valve side dismantling connection has No.1 electric turbine regulating valve.The utility model is when two water pumps work at the same time, it is consistent to control two water pump discharge pressure values, two water pump spiral casing pressure values are consistent, and waterpower is avoided to interfere, improve pump working efficiency, electric energy is further saved, water pump soft start is controlled, soft stop is stopped, extend water pump service life, and the equipment is automatically controlled using full-automatic, to save manpower, is suitble to be widely popularized and used.

Description

A kind of recirculated water energy conservation pump group water supply device

Technical field

The utility model relates to a kind of pump group water supply device, in particular to a kind of recirculated water energy conservation pump group water supply device.

Background technique

Water supply refers to is usually by communal facility, establishment, community's effort or personal offer water resource, the conveying of water Pass through water pump and pipeline.

Existing recirculated water water supply pump group is all to start one or more water pump according to circulation water demand, and every water pump is only Vertical opened loop control independently spues water outward, often inconsistent due to each water pump head pressure, causes waterpower to interfere, water pump Operating condition is inconsistent, deviates original design parameter, and operational efficiency reduces, and energy consumption increases.

Utility model content

The main purpose of the utility model is to provide a kind of recirculated water energy conservation pump group water supply device, when two water pumps simultaneously It when work, controls that two water pump discharge pressure values are consistent, and two water pump spiral casing pressure values are consistent, waterpower is avoided to interfere, improve water Pump work efficiency further saves electric energy, controls water pump soft start, and soft stop is stopped, and extends water pump service life, and the equipment is adopted It is automatically controlled with full-automatic, to save manpower, can effectively solve the problems in background technique.

To achieve the above object, the technical solution that the utility model is taken are as follows:

A kind of recirculated water energy conservation pump group water supply device, including water source water tank and water source main valve, the water source water tank side are torn open It unloads and is connected with water source main valve, water source main valve side is provided with No.1 pump group inlet valve, the No.1 pump group inlet valve bottom Side is provided with No. two pump group inlet valves, and No. two pump group inlet valves and No.1 pump group inlet valve one end pass through pipeline and water source Main valve output end is connected, and No.1 pump group inlet valve side dismantling connection has No.1 electric turbine regulating valve, the No.1 electricity Dynamic turbine regulating valve side dismantling connection has No.1 water inlet vacuum table, and the No.1 water inlet one side surface of vacuum table is fixedly installed No.1 water inlet B/P EGR Back Pressure Transducer EGR, described number water inlet vacuum table side are provided with No.1 water inlet shock-absorbing connection, and the No.1 water inlet subtracts Shake connector side dismantling connection has No.1 water pump, and the No.1 water pump top side is provided with No.1 water pump spiral casing pressure gauge, institute It states No.1 water pump spiral casing pressure gauge side and is provided with No.1 water pump spiral casing pressure sensor, No.1 water pump inner cavity is provided with one Number water pump vane, No.1 water pump side are provided with No.1 water outlet shock-absorbing connection, and No.1 water outlet shock-absorbing connection side is set It is equipped with No.1 water pump discharge pressure table, one side surface of No.1 water pump discharge pressure table is fixedly installed No.1 exit of pump pressure Force snesor, the No.1 water pump discharge pressure sensor side are provided with No.1 exit of pump check valve, the No.1 water pump Outlet check valves side is provided with No.1 pump group outlet valve, and No. two pump group inlet valves side is provided with No. two filters, institute It states No. two filter sides and is provided with No. two electric turbine regulating valves, No. two electric turbine regulating valves side is provided with No. two Intake vacuum table, one side surface of No. two water inlet vacuum tables is fixedly installed No. two water inlet B/P EGR Back Pressure Transducer EGRs, described No. two into Water B/P EGR Back Pressure Transducer EGR side is provided with No. two water inlet shock-absorbing connections, and No. two water inlets shock-absorbing connection side is provided with No. two water Pump, No. two water pump top sides are provided with No. two water pump spiral casing pressure gauges, No. two water pump spiral casing pressure gauges side table Face is fixedly installed No. two water pump spiral casing pressure sensors, and No. two water pump inner cavities are provided with No. two water pump vanes, and described two Number water pump side is provided with No. two water outlet shock-absorbing connections, and No. two water outlets shock-absorbing connection side is provided with No. two exit of pump pressures Power table, one side surface of No. two water pump discharge pressure tables are fixedly installed No. two water pump discharge pressure sensors, and described No. two Water pump discharge pressure sensor side is provided with No. two exit of pump check valves, No. two exit of pump check valve sides setting There are No. two pump group outlet valves.

Further, No. two pump group outlet valves side is provided with total water supply line, the No.1 pump group outlet valve and No. two pump group outlet valve one end pass through pipeline and are connected with total water supply line.

Further, total water supply line top side is provided with total pressure of supply water table, total pressure of supply water table one Side is provided with total pressure of supply water sensor.

Further, the No.1 water pump spiral casing pressure gauge top side is provided with No.1 frequency converter, the No.1 frequency conversion Device side is provided with No. two frequency converters, and the No.1 frequency converter top side is provided with water pump control modules.

Further, No.1 the water inlet B/P EGR Back Pressure Transducer EGR, No.1 water pump spiral casing pressure sensor, No.1 exit of pump pressure Force snesor, No. two water inlet B/P EGR Back Pressure Transducer EGRs, No. two water pump spiral casing pressure sensors, No. two water pump discharge pressure sensors and total Pressure of supply water sensor passes through conducting wire and is electrical connected with water pump control modules signal input part, and the No.1 electric turbine is adjusted Valve, No. two electric turbine regulating valves, No.1 frequency converter and No. two frequency converters pass through conducting wire and water pump control modules control port It is electrical connected, the No.1 frequency converter is electrical connected by conducting wire and No.1 water pump, and No. two frequency converters pass through conducting wire and two Number water pump is electrical connected.

Compared with prior art, the utility model has the following beneficial effects:

1. water source water outlet of water tank installs water source main valve, the total valve outlet in water source is divided into two-way and is connected to two sets of pump groups, wherein Be consecutively connected to all the way No.1 pump group inlet valve, No.1 filter, No.1 electric turbine regulating valve, No.1 water inlet shock-absorbing connection, No.1 water pump, No.1 are discharged shock-absorbing connection, No.1 exit of pump check valve, No.1 pump group outlet valve；No.1 electric turbine is adjusted Installation No.1 water inlet vacuum table and No.1 water inlet B/P EGR Back Pressure Transducer EGR on valve and No.1 water inlet shock-absorbing connection connecting pipe；No.1 water pump No.1 water pump spiral casing pressure gauge and No.1 water pump spiral casing pressure sensor are installed on spiral case；No.1 is discharged shock-absorbing connection and No.1 water No.1 water pump discharge pressure table and No.1 water pump discharge pressure sensor are installed in pump outlet check valve connecting pipe.

2. another way be consecutively connected to No. two pump group inlet valves, No. two filters, No. two electric turbine regulating valves, No. two into Water shock-absorbing connection, No. two water pumps, No. two water outlet shock-absorbing connections, No. two exit of pump check valves, No. two pump group outlet valves；No. two electricity No. two water inlet vacuum tables and No. two water inlet negative pressure sensings are installed in dynamic turbine regulating valve and No. two water inlet shock-absorbing connection connecting pipes Device；No. two water pump spiral casing pressure gauges and No. two water pump spiral casing pressure sensors are installed on No. two water pump spiral casings；No. two water outlet dampings No. two water pump discharge pressure tables are installed on connector and No. two exit of pump check valve connecting pipes and No. two water pump discharge pressures pass Sensor；No.1 pump group outlet valve and No. two pump group outlet valves converge is connected to total water supply line together, and water main installs on road Total pressure of supply water table and total pressure of supply water sensor.

3. when needed, water pump control modules are controlled by collecting water pump discharge pressure value and total pressure of supply water value Unit fixed on water pump suction electric turbine control valve opening processed, control water pump discharge pressure value are greater than total pressure of supply water value, guarantee that water pump is normal It supplies water；By collecting into water negative pressure value and water pump spiral casing pressure value, pump rotary speed is adjusted by Frequency Converter Control, is avoided into water Negative pressure value is excessively high to cause water pump vane to cavitate；Water pump spiral casing hypertonia is avoided, pump motor load height causes waste of energy, makes Pump working improves working efficiency in design conditions, saves electric energy.

Detailed description of the invention

Fig. 1 is a kind of overall structure diagram of recirculated water energy conservation pump group water supply device of the utility model.

In figure: 1, No.1 pump group inlet valve；2, No.1 filter；3, No.1 electric turbine regulating valve；4, No.1 water inlet is negative Press table；5, No.1 water inlet B/P EGR Back Pressure Transducer EGR；6, No.1 water inlet shock-absorbing connection；7, No.1 water pump spiral casing pressure gauge；8, No.1 water pump Volute pressure sensor；9, No.1 water pump；10, No.1 water pump vane；11, No.1 is discharged shock-absorbing connection；12, No.1 exit of pump Pressure gauge；13, No.1 water pump discharge pressure sensor；14, No.1 exit of pump check valve；15, No.1 pump group outlet valve；21, No. two pump group inlet valves；22, No. two filters；23, No. two electric turbine regulating valves；24, No. two water inlet vacuum tables；25, No. two Water inlet B/P EGR Back Pressure Transducer EGR；26, No. two water inlet shock-absorbing connections；27, No. two water pump spiral casing pressure gauges；28, No. two water pump spiral casing pressure Sensor；29, No. two water pumps；30, No. two water pump vanes；31, No. two water outlet shock-absorbing connections；32, No. two water pump discharge pressure tables； 33, No. two water pump discharge pressure sensors；34, No. two exit of pump check valves；35, No. two pump group outlet valves；40, source water Case；41, water source main valve；42, total pressure of supply water table；43, total pressure of supply water sensor；44, water pump control modules；45, No.1 becomes Frequency device；46, No. two frequency converters；47, total water supply line.

Specific embodiment

To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below In conjunction with specific embodiment, the utility model is further described.

As shown in Figure 1, a kind of recirculated water energy conservation pump group water supply device, including water source water tank 40 and water source main valve 41, it is described Water tank 40 side dismantling connection in water source has water source main valve 41, and 41 side of water source main valve is provided with No.1 pump group inlet valve 1, institute It states 1 bottom side of No.1 pump group inlet valve and is provided with No. two pump group inlet valves 21, and No. two pump group inlet valves 21 and No.1 pump group 1 one end of inlet valve passes through pipeline and is connected with 41 output end of water source main valve, and the 1 side dismantling connection of No.1 pump group inlet valve has No.1 electric turbine regulating valve 3, the 3 side dismantling connection of No.1 electric turbine regulating valve has No.1 water inlet vacuum table 4, described No.1 water inlet 4 one side surface of vacuum table is fixedly installed No.1 water inlet B/P EGR Back Pressure Transducer EGR 5, and described number 4 side of water inlet vacuum table is set It is equipped with No.1 water inlet shock-absorbing connection 6, the No.1 water inlet 6 side dismantling connection of shock-absorbing connection has No.1 water pump 9, the No.1 water It pumps 9 top sides and is provided with No.1 water pump spiral casing pressure gauge 7,7 side of No.1 water pump spiral casing pressure gauge is provided with No.1 water Volute pressure sensor 8 is pumped, 9 inner cavity of No.1 water pump is provided with No.1 water pump vane 10,9 side of the No.1 water pump setting There is No.1 to be discharged shock-absorbing connection 11, the No.1 water outlet 11 side of shock-absorbing connection is provided with No.1 water pump discharge pressure table 12, institute It states 12 1 side surface of No.1 water pump discharge pressure table and is fixedly installed No.1 water pump discharge pressure sensor 13, the No.1 water pump 13 side of outlet pressure sensor is provided with No.1 exit of pump check valve 14, and 14 side of No.1 exit of pump check valve is set It is equipped with No.1 pump group outlet valve 15,21 side of No. two pump group inlet valves is provided with No. two filters 22, No. two filterings 22 side of device is provided with No. two electric turbine regulating valves 23, and 23 side of No. two electric turbine regulating valves is provided with No. two water inlets Vacuum table 24,24 1 side surface of No. two water inlet vacuum tables are fixedly installed No. two water inlet B/P EGR Back Pressure Transducer EGRs 25, and described No. two Water inlet 25 side of B/P EGR Back Pressure Transducer EGR is provided with No. two water inlet shock-absorbing connections 26, and 26 side of No. two water inlet shock-absorbing connections is provided with No. two water pumps 29,29 top side of No. two water pumps are provided with No. two water pump spiral casing pressure gauges 27, No. two water pump spiral casings 27 1 side surface of pressure gauge is fixedly installed No. two water pump spiral casing pressure sensors 28, and 29 inner cavity of No. two water pumps is provided with two Number water pump vane 30,29 side of No. two water pumps is provided with No. two water outlet shock-absorbing connections 31, No. two water outlets shock-absorbing connection 31 sides are provided with No. two water pump discharge pressure tables 32, and 32 1 side surface of No. two water pump discharge pressure tables is fixedly installed two Number water pump discharge pressure sensor 33, it is unidirectional that 33 side of No. two water pump discharge pressure sensors is provided with No. two exit of pump Valve 34,34 side of No. two exit of pump check valves are provided with No. two pump group outlet valves 35.

In the present embodiment as shown in Figure 1, when two water pumps work at the same time, it is consistent to control two water pump discharge pressure values, Two water pump spiral casing pressure values are consistent, and waterpower is avoided to interfere, and improve pump working efficiency, further save electric energy, control water pump Soft start, soft stop are stopped, and extend water pump service life, and the equipment is automatically controlled using full-automatic, to save manpower.

Wherein, 35 side of No. two pump group outlet valves is provided with total water supply line 47, the No.1 pump group outlet valve 15 Pass through pipeline with No. two 35 one end of pump group outlet valve to be connected with total water supply line 47.

As shown in Figure 1, can effectively converge No.1 pump group outlet valve 15 and No. two pump group outlet valves 35 in the present embodiment It is connected on total water supply line 47 together.

Wherein, 47 top side of total water supply line is provided with total pressure of supply water table 42, total pressure of supply water table 42 Side is provided with total pressure of supply water sensor 43.

As shown in Figure 1, the pressure value on total water supply line 47 can be monitored effectively in the present embodiment.

Wherein, 7 top side of No.1 water pump spiral casing pressure gauge is provided with No.1 frequency converter 45, the No.1 frequency converter 45 sides are provided with No. two frequency converters 46, and 45 top side of No.1 frequency converter is provided with water pump control modules 44.

It is flexibly run in the present embodiment as shown in Figure 1, each equipment can be controlled effectively.

Wherein, No.1 the water inlet B/P EGR Back Pressure Transducer EGR 5, No.1 water pump spiral casing pressure sensor 8, No.1 water pump discharge pressure 13, No. two water inlet water pump discharge pressure sensors of water pump spiral casing pressure sensor 28, two of B/P EGR Back Pressure Transducer EGR 25, two of sensor 33 and total pressure of supply water sensor 43 be electrical connected by conducting wire and 44 signal input part of water pump control modules, No.1 electricity Dynamic 3, No. two electric turbine regulating valves 23 of turbine regulating valve, No.1 frequency converter 45 and No. two frequency converters 46 pass through conducting wire and water pump 44 control port of control module is electrical connected, and the No.1 frequency converter 45 is electrical connected by conducting wire with No.1 water pump 9, and described two Number frequency converter 46 is electrical connected by conducting wire with No. two water pumps 29.

It should be noted that the utility model is a kind of recirculated water energy conservation pump group water supply device, including No.1 pump group is intake Valve 1, No.1 filter 2, No.1 electric turbine regulating valve 3, No.1 water inlet vacuum table 4, No.1 water inlet B/P EGR Back Pressure Transducer EGR 5, No.1 Water inlet shock-absorbing connection 6, No.1 water pump spiral casing pressure gauge 7, No.1 water pump spiral casing pressure sensor 8, No.1 water pump 9, No.1 water pump Impeller 10, No.1 are discharged shock-absorbing connection 11, No.1 water pump discharge pressure table 12, No.1 water pump discharge pressure sensor 13, No.1 Exit of pump check valve 14,22, No. two electric turbines of filter of pump group inlet valve 21, two of No.1 pump group outlet valve 15, two Water inlet 26, No. two water pump snails of shock-absorbing connection of water inlet B/P EGR Back Pressure Transducer EGR 25, two of water inlet vacuum table 24, two of regulating valve 23, two The water outlet damping of water pump vane 30, two of water pump 29, two of water pump spiral casing pressure sensor 28, two of shell pressure gauge 27, two connects First 31, No. two water pump discharge pressure sensors 33, two exit of pump check valve 34, two of water pump discharge pressure table 32, two Pump group outlet valve 35, water source water tank 40, water source main valve 41, total pressure of supply water table 42, total pressure of supply water sensor 43, water pump control Module 44,45, No. two frequency converters 46 of No.1 frequency converter and total water supply line 47, component is universal standard part or art technology The component that personnel know, structure and principle are all that this technology personnel can be learnt by technical manual or by routine experiment side Method knows, when work, water tank 40 water outlet in water source installs water source main valve 41, and the outlet of water source main valve 41 is divided into two-way and is connected to two sets Pump group, wherein be consecutively connected to all the way No.1 pump group inlet valve 1, No.1 filter 2, No.1 electric turbine regulating valve 3, No.1 into Water shock-absorbing connection 6, No.1 water pump 9, No.1 are discharged shock-absorbing connection 11, No.1 exit of pump check valve 14, No.1 pump group outlet valve 15；Installation No.1 water inlet vacuum table 4 and No.1 in No.1 electric turbine regulating valve 3 and No.1 water inlet 6 connecting pipe of shock-absorbing connection Water inlet B/P EGR Back Pressure Transducer EGR 5；No.1 water pump spiral casing pressure gauge 7 and No.1 water pump spiral casing pressure sensing are installed on 9 spiral case of No.1 water pump Device 8；No.1, which is discharged in shock-absorbing connection 11 and 14 connecting pipe of No.1 exit of pump check valve, installs No.1 water pump discharge pressure table 12 and No.1 water pump discharge pressure sensor 13；Another way is consecutively connected to 21, No. two filters 22, two of No. two pump group inlet valves Number 23, No. two water inlet water outlet 31, No. two water pumps of shock-absorbing connection of water pump 29, two of shock-absorbing connection 26, two of electric turbine regulating valve 34, No. two pump group outlet valves 35 of Outlet check valves；No. two electric turbine regulating valves 23 and No. two water inlet 26 connecting tubes of shock-absorbing connection No. two water inlet vacuum tables 24 and No. two water inlet B/P EGR Back Pressure Transducer EGRs 25 are installed on road；No. two water pump snails are installed on No. two 29 spiral cases of water pump Shell pressure gauge 27 and No. two water pump spiral casing pressure sensors 28；No. two water outlet shock-absorbing connections 31 and No. two exit of pump check valves 34 No. two water pump discharge pressure tables 32 and No. two water pump discharge pressure sensors 33 are installed in connecting pipe；No.1 pump group outlet valve 15 Converge with No. two pump group outlet valves 35 and be connected to total water supply line together, total pressure of supply water table 42 and total is installed on water main road Pressure of supply water sensor 43, when needed, water pump control modules 44 are by collecting water pump discharge pressure value and total water supply Pressure value, controls unit fixed on water pump suction electric turbine control valve opening, and control water pump discharge pressure value is greater than total pressure of supply water value, guarantees Water pump normal water supply；By collecting into water negative pressure value and water pump spiral casing pressure value, pump rotary speed is adjusted by Frequency Converter Control, It avoids causing water pump vane to cavitate into water negative pressure value is excessively high；Water pump spiral casing hypertonia is avoided, pump motor load height causes electricity It can waste, make pump working in design conditions, improve working efficiency, save electric energy.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model Claimed range is defined by the appending claims and its equivalent thereof.

Claims (5)

1. a kind of recirculated water energy conservation pump group water supply device, including water source water tank (40) and water source main valve (41), the water source water tank (40) side dismantling connection has water source main valve (41), it is characterised in that: water source main valve (41) side is provided with No.1 pump group Inlet valve (1), No.1 pump group inlet valve (1) bottom side are provided with No. two pump group inlet valves (21), and No. two pump groups into Water valve (21) and No.1 pump group inlet valve (1) one end pass through pipeline and are connected with water source main valve (41) output end, the No.1 pump Group inlet valve (1) side dismantling connection has No.1 electric turbine regulating valve (3), No.1 electric turbine regulating valve (3) side Dismantling connection has No.1 to intake vacuum table (4), and it is negative that the No.1 water inlet (4) one side surface of vacuum table is fixedly installed No.1 water inlet Pressure sensor (5), described number water inlet vacuum table (4) side are provided with No.1 water inlet shock-absorbing connection (6), the No.1 water inlet damping Connector (6) side dismantling connection has No.1 water pump (9), and No.1 water pump (9) top side is provided with No.1 water pump spiral casing pressure Power table (7), No.1 water pump spiral casing pressure gauge (7) side are provided with No.1 water pump spiral casing pressure sensor (8), the No.1 Water pump (9) inner cavity is provided with No.1 water pump vane (10), and No.1 water pump (9) side is provided with No.1 water outlet shock-absorbing connection (11), No.1 water outlet shock-absorbing connection (11) side is provided with No.1 water pump discharge pressure table (12), and the No.1 water pumps out (12) one side surface of mouth pressure gauge is fixedly installed No.1 water pump discharge pressure sensor (13), the No.1 water pump discharge pressure Sensor (13) side is provided with No.1 exit of pump check valve (14), the setting of the No.1 exit of pump check valve (14) side There is a No.1 pump group outlet valve (15), No. two pump group inlet valves (21) side is provided with No. two filters (22), and described No. two Filter (22) side is provided with No. two electric turbine regulating valves (23), the setting of No. two electric turbine regulating valves (23) side There are No. two water inlet vacuum tables (24), (24) one side surface of No. two water inlets vacuum table is fixedly installed No. two water inlet negative pressure sensings Device (25), No. two water inlets B/P EGR Back Pressure Transducer EGR (25) side are provided with No. two water inlet shock-absorbing connections (26), No. two water inlets Shock-absorbing connection (26) side is provided with No. two water pumps (29), and No. two water pumps (29) top side is provided with No. two water pump spiral casings Pressure gauge (27), (27) one side surface of No. two water pump spiral casing pressure gauges are fixedly installed No. two water pump spiral casing pressure sensors (28), No. two water pumps (29) inner cavity is provided with No. two water pump vanes (30), and No. two water pumps (29) side is provided with two Number water outlet shock-absorbing connection (31), No. two water outlets shock-absorbing connection (31) side is provided with No. two water pump discharge pressure tables (32), (32) one side surface of No. two water pump discharge pressure tables is fixedly installed No. two water pump discharge pressure sensors (33), and described two Number water pump discharge pressure sensor (33) side is provided with No. two exit of pump check valves (34), and No. two exit of pump are unidirectional Valve (34) side is provided with No. two pump group outlet valves (35).

2. a kind of recirculated water energy conservation pump group water supply device according to claim 1, it is characterised in that: No. two pump groups go out Mouth valve (35) side is provided with total water supply line (47), the No.1 pump group outlet valve (15) and No. two pump group outlet valves (35) one End is connected by pipeline with total water supply line (47).

3. a kind of recirculated water energy conservation pump group water supply device according to claim 2, it is characterised in that: total water supply line (47) top side is provided with total pressure of supply water table (42), and total pressure of supply water table (42) side is provided with total pressure of supply water and passes Sensor (43).

4. a kind of recirculated water energy conservation pump group water supply device according to claim 1, it is characterised in that: the No.1 water pump snail Shell pressure gauge (7) top side is provided with No.1 frequency converter (45), and No.1 frequency converter (45) side is provided with No. two frequency conversions Device (46), No.1 frequency converter (45) top side are provided with water pump control modules (44).

5. a kind of according to claim 1, recirculated water energy conservation pump group water supply device described in 3 or 4, it is characterised in that: the No.1 Intake B/P EGR Back Pressure Transducer EGR (5), No.1 water pump spiral casing pressure sensor (8), No.1 water pump discharge pressure sensor (13), No. two into Water B/P EGR Back Pressure Transducer EGR (25), No. two water pump spiral casing pressure sensors (28), No. two water pump discharge pressure sensors (33) and total confession Water pressure sensor (43) is electrical connected by conducting wire and water pump control modules (44) signal input part, the electronic whirlpool of No.1 Take turns regulating valve (3), No. two electric turbine regulating valves (23), No.1 frequency converter (45) and No. two frequency converters (46) by conducting wire and Water pump control modules (44) control port is electrical connected, and the No.1 frequency converter (45) is electrical by conducting wire and No.1 water pump (9) It is connected, No. two frequency converters (46) are electrical connected by conducting wire with No. two water pumps (29).