CN211799128U

CN211799128U - Condenser circulating pipe secondary filter screen controlling means

Info

Publication number: CN211799128U
Application number: CN201922380569.6U
Authority: CN
Inventors: 王金梁; 郦琳; 苏小虎; 李斐; 林晨; 王戟
Original assignee: East China Power Test and Research Institute Co Ltd
Current assignee: East China Power Test and Research Institute Co Ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-10-30
Anticipated expiration: 2029-12-26

Abstract

The utility model discloses a condenser circulating pipe secondary filter screen controlling means, including control box, inlet tube and outlet pipe, the right side fixed connection of control box has the pencil pipe, and the equal fixedly connected with cartridge filter in both sides around the pencil pipe, the one end that inlet tube and outlet pipe are relative communicates respectively has first three-way pipe and second three-way pipe, the utility model relates to a condenser technical field. Through setting up two shunt tubes of intaking, make rivers have the flow that two passageways can be replaced in turn, and then when one of them passageway needs clearance filter screen, can close this passageway, lead water to another passageway, do not influence the normal flow of rivers, and utilize and wash two cartridge filters of dirty union coupling, can lead out a small amount of water in making another passageway and wash the cartridge filter of treating the clearance, and then can be automatic with sewage discharge, high durability and convenient use, and do not influence the job schedule.

Description

Condenser circulating pipe secondary filter screen controlling means

Technical Field

The utility model relates to a condenser technical field specifically is a condenser circulating pipe secondary filter screen controlling means.

Background

The condenser is a heat exchanger for condensing the exhaust steam of the turbine into water, and is also called a water re-condenser, and the condenser is mainly used in a turbine power device and is divided into a water-cooling condenser and an air-cooling condenser. The condenser can condense the exhaust steam of the turbine into water for reuse by the boiler, and can establish vacuum and maintain the vacuum at the exhaust steam part of the turbine. The different condensers according to the steam condensation mode can be divided into a surface type (also called dividing wall type) and a mixed type (also called contact type). In a surface condenser, steam separated from a cooling medium is condensed into liquid on a cooling wall surface (usually, a metal pipe). The cooling medium may be water or air. The water-cooled surface condenser is divided into a single-flow path condenser and a double-flow path condenser according to the flowing mode of cooling water. In the hybrid condenser, steam is condensed into liquid when mixed with a cooling medium, and the condensed steam may be steam or vapor of another substance.

The comdenstion water that flows among the circulating pipe of current condenser can have impurity sometimes, consequently need add filtration and filter, generally sets up the filter screen, but after long-time filtration purification, the filter screen surface can block up, and then can influence filtration purification's effect, can block up the pipeline when serious, influences the flow of water, and current clearance measure generally closes the pipeline temporarily, clears up this department, and is comparatively troublesome and influence work efficiency.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a condenser circulating pipe secondary filter screen controlling means has solved after long-time filtration purification, and filter screen surface can block up, and then can influence filtration purification's effect, can block up the pipeline when serious, influences the flow of water, and current clearance measure is generally closed the pipeline temporarily, clears up this department, comparatively troublesome and influence work efficiency's problem.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a secondary filter screen control device of a condenser circulating water pipe comprises a control box, a water inlet pipe and a water outlet pipe, wherein a wire harness pipe is fixedly connected to the right side of the control box, filter cylinders are fixedly connected to the front side and the rear side of the wire harness pipe respectively, one ends, opposite to the water inlet pipe and the water outlet pipe, of the water inlet pipe are respectively communicated with a first three-way pipe and a second three-way pipe, two ends of the first three-way pipe are respectively communicated with a water inlet flow dividing pipe, the right ends of the two water inlet flow dividing pipes are respectively communicated with a first pressure gauge and a second pressure gauge, the left sides and the right sides of the two filter cylinders are respectively fixedly connected with a first electromagnetic valve and a second electromagnetic valve, the left sides of the first electromagnetic valve and the second electromagnetic valve are respectively communicated with the right sides of the first pressure gauge and the second pressure gauge through connecting pipes, a sewage flushing pipe is communicated between the tops of the, and the bottom of the collecting pipe is communicated with two sewage discharge pipes which are communicated through a third three-way pipe, and the surface of each sewage discharge pipe is fixedly connected with a third electromagnetic valve.

The inside of cartridge filter rotates and is connected with the filter frame, and the equal fixedly connected with filter screen in the left and right sides of filter frame, the top fixedly connected with cross frame of filter frame, the top fixedly connected with step motor of cartridge filter, the bottom of step motor output shaft run through the top of cartridge filter and with the central fixed connection of filter frame, the inside of cartridge filter just is located the equal fixedly connected with steel brush in the inside and outside both sides of filter frame.

Preferably, the steel wire brush comprises a hard steel wire brush and a soft steel wire brush, and the hard steel wire brush and the soft steel wire brush are respectively arranged on the front side and the rear side of the inner cavity of the filter cylinder.

Preferably, the right sides of the first electromagnetic valve and the second electromagnetic valve are both communicated with water outlet shunt pipes, and the right ends of the two water outlet shunt pipes are respectively communicated with the two ends of the second three-way pipe.

Preferably, the top intercommunication of second three-way pipe has transparent observation pipe, the inside sliding connection of transparent observation pipe has clean piston, and the top fixedly connected with of clean piston promotes the cover, the top of promoting the cover runs through the top of transparent observation pipe and extends to the top of transparent observation pipe, and the top threaded connection of promoting the cover has the detachable depression bar, the surface of promoting the cover just is located the oval stopper of the top fixedly connected with of transparent observation pipe, and the elliptical aperture with oval stopper looks adaptation is seted up on the top of transparent observation pipe.

Preferably, the upper and lower sides of the control box and the wire harness pipe and the upper and lower sides of the first three-way pipe and the second three-way pipe are fixedly connected with a fixed plate through screws, the surfaces of the control box and the wire harness pipe and the surfaces of the connecting pipe and the water outlet flow dividing pipe are fixedly connected through a fixed frame, the upper and lower sides of one side of the filter cartridge, which is close to the wire harness pipe, are fixedly connected with fixed seats, and the fixed seats and the upper and lower sides of the wire harness pipe are fixedly connected through bolts.

Preferably, both sides are run through respectively around the left control box top and are connected with warning light and bee calling organ, the bottom of control box inner chamber from left to right fixedly connected with radio signal transceiver and battery in proper order, the bottom run through connection on control box right side has the port of charging, the bottom of control box internal surface just is located the top of battery and passes through screw post fixedly connected with circuit board, the right side run through connection at control box top has operating panel, operating panel's top has from left to right set gradually display screen, pilot lamp and start button.

Preferably, the output of circuit board passes through the wire respectively with step motor, first solenoid valve, second solenoid valve, third solenoid valve, warning light and buzzer's output electric connection, operating panel and wireless signal transceiver all realize two-way connection through wire and circuit board, the output of the port that charges passes through the wire and the input electric connection of battery, the output of battery passes through the input electric connection of wire and circuit board.

Preferably, the circuit board includes treater and pressure measurement system, the pressure measurement system still includes data comparison module and signal feedback module, the output of signal feedback module, first manometer and second manometer all passes through the wire and the input electric connection of treater, the output of treater passes through the wire and the input electric connection of data comparison module, the output of data comparison module passes through the wire and the input electric connection of signal feedback module.

(III) advantageous effects

The utility model provides a condenser circulating pipe secondary filter screen controlling means. Compared with the prior art, the method has the following beneficial effects:

(1) the secondary filter screen control device of the condenser circulating water pipe is characterized in that a wire harness pipe is fixedly connected to the right side of a control box, filter cylinders are fixedly connected to the front side and the rear side of the wire harness pipe, the opposite ends of a water inlet pipe and a water outlet pipe are respectively communicated with a first three-way pipe and a second three-way pipe, the two ends of the first three-way pipe are respectively communicated with a water inlet shunt pipe, the right ends of the two water inlet shunt pipes are respectively communicated with a first pressure gauge and a second pressure gauge, the left sides and the right sides of the two filter cylinders are respectively fixedly connected with a first electromagnetic valve and a second electromagnetic valve, the left sides of the first electromagnetic valve and the second electromagnetic valve are respectively communicated with the right sides of the first pressure gauge and the second pressure gauge through connecting pipes, a flushing pipe is communicated between the tops of the two filter cylinders, a sewage discharge groove is formed in the bottom of each filter, through the third three-way pipe intercommunication between two blow off pipes, and the fixed surface of blow off pipe is connected with the third solenoid valve, through setting up two shunt tubes of intaking, make rivers have the flow that two passageways can be replaced in turn, and then when one of them passageway need clear up the filter screen, can close this passageway, lead water to another passageway, do not influence the normal flow of rivers, and utilize two cartridge filters of dirt washing union coupling, make a small amount of water washing of can exporting in another passageway treat the cartridge filter of clearance, and then can be automatic with sewage discharge, high durability and convenient use, and do not influence the job schedule.

(2) The secondary filter screen control device of the condenser circulating water pipe is characterized in that a filter frame is connected to the inside of a filter cylinder in a rotating mode, filter screens are fixedly connected to the left side and the right side of the filter frame, a cross frame is fixedly connected to the top of the filter frame, a stepping motor is fixedly connected to the top of the filter cylinder, the bottom end of an output shaft of the stepping motor penetrates through the top of the filter cylinder and is fixedly connected with the center of the filter frame, steel wire brushes are fixedly connected to the inside and the outside of the filter cylinder and are located on the inner side and the outer side of the filter frame, each steel wire brush comprises a hard steel wire brush and a soft steel wire brush, the hard steel wire brush and the soft steel wire brush are respectively arranged on the front side and the rear side of an inner cavity of the filter cylinder, two layers of filter screens are arranged inside the filter cylinder, circulating water can be filtered twice, the filter screen can be more conveniently and thoroughly cleaned without manually taking out the filter screen for cleaning, and the working efficiency is improved.

(3) The secondary filter screen control device of the condenser circulating water pipe comprises a transparent observation pipe communicated with the top of a second three-way pipe, a cleaning piston is connected to the inside of the transparent observation pipe in a sliding mode, a pushing sleeve is fixedly connected to the top of the cleaning piston, the top of the pushing sleeve penetrates through the top of the transparent observation pipe and extends to the top of the transparent observation pipe, a detachable pressure rod is connected to the top of the pushing sleeve in a threaded mode, an elliptical limiting block is fixedly connected to the surface of the pushing sleeve and located above the transparent observation pipe, an elliptical hole matched with the elliptical limiting block is formed in the top of the transparent observation pipe, a filtered circulating water guiding part can enter the transparent observation pipe through the transparent observation pipe, whether obvious impurities are contained in water or not can be seen, the filtering effect can be judged, the pipeline can be switched timely, the filter screen can be cleaned, and the filter screen can be cleaned by utilizing the detachable, The inner wall of the transparent observation tube can be cleaned by matching the pushing sleeve with the cleaning piston, the transparency of the transparent observation tube is kept, and the structure is simple and practical.

(4) The secondary filter screen control device of the condenser circulating water pipe is respectively electrically connected with the output ends of the stepping motor, the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve, the warning lamp and the buzzer through leads at the output end of a circuit board, the operating panel and the wireless signal transceiver are both bidirectionally connected with the circuit board through leads, the output end of a charging port is electrically connected with the input end of a storage battery through leads, the output end of the storage battery is electrically connected with the input end of the circuit board through leads, the circuit board comprises a processor and a pressure detection system, the pressure detection system also comprises a data comparison module and a signal feedback module, the output ends of the signal feedback module, the first pressure gauge and the second pressure gauge are electrically connected with the input end of the processor through leads, and the output end of the processor is electrically connected with the input end of the data comparison module through leads, the output of data contrast module passes through wire and signal feedback module's input electric connection, through setting up the water pressure in two water inlet shunt pipes of first manometer and second manometer detectable, and then can discern and warn when blockking up seriously, and then clear up automatically, if be because clear up the structure trouble and lead to being in high-pressure state for a long time, still can send remote signal call staff's repair before, guaranteed the normal work of device.

Drawings

Fig. 1 is a top view of the structure of the present invention;

FIG. 2 is a top view of the internal structure of the junction filter cartridge of the present invention;

FIG. 3 is a perspective view of the filter frame and cross frame structure of the present invention;

FIG. 4 is a top view of the filter cartridge and collection tube of the present invention;

FIG. 5 is a cross-sectional view of the transparent viewing tube of the present invention;

FIG. 6 is a top view of the transparent observation tube of the present invention;

fig. 7 is a sectional view of the control box of the present invention;

fig. 8 is a top view of the operation panel of the present invention;

FIG. 9 is a schematic block diagram of the system of the present invention;

fig. 10 is a schematic block diagram of the circuit board and the pressure gauge of the present invention.

In the figure, 1-control box, 2-water inlet pipe, 3-water outlet pipe, 4-wire bundle pipe, 5-filter cylinder, 6-first three-way pipe, 7-second three-way pipe, 8-water inlet shunt pipe, 9-first pressure gauge, 10-second pressure gauge, 11-first electromagnetic valve, 12-second electromagnetic valve, 13-connecting pipe, 14-sewage flushing pipe, 15-sewage draining groove, 16-collecting pipe, 17-sewage draining pipe, 18-third three-way pipe, 19-third electromagnetic valve, 20-filter frame, 21-filter screen, 22-cross frame, 23-stepping motor, 24-steel wire brush, 25-water outlet shunt pipe, 26-transparent observation pipe, 27-cleaning piston, 28-pushing sleeve, 29-detachable pressure lever, 30-an elliptical limiting block, 31-an elliptical hole, 32-a fixing plate, 33-a fixing frame, 34-a fixing seat, 35-a warning lamp, 36-a buzzer, 37-a wireless signal transceiver, 38-a storage battery, 39-a charging port, 40-an operation panel, 41-a display screen, 42-an indicator lamp, 43-a starting button, 44-a circuit board, 45-a processor, 46-a pressure detection system, 47-a data comparison module and 48-a signal feedback module.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-10, an embodiment of the present invention provides a technical solution: a condenser circulating water pipe secondary filter screen control device comprises a control box 1, a water inlet pipe 2 and a water outlet pipe 3, wherein fixing plates 32 are fixedly connected between the upper and lower sides of the control box 1 and a wire harness pipe 4 and the upper and lower sides of a first three-way pipe 6 and a second three-way pipe 7 through screws, the surfaces of the control box 1 and the wire harness pipe 4 and the surfaces of a connecting pipe 13 and a water outlet shunt pipe 25 are fixedly connected through a fixing frame 33, the upper and lower sides of one side, close to the wire harness pipe 4, of a filter cartridge 5 are fixedly connected with fixing seats 34, the fixing seats 34 are fixedly connected with the upper and lower sides of the wire harness pipe 4 through bolts, the front side and the rear side of the left side of the top of the control box 1 are respectively connected with a warning lamp 35 and a buzzer 36 in a penetrating manner, a wireless signal transceiver 37 and a storage battery 38 are fixedly connected to, so as to facilitate the remote control periodic cleaning, the bottom of the right side of the control box 1 is connected with a charging port 39 through a penetrating way, the bottom of the inner surface of the control box 1 and the upper part of the storage battery 38 are fixedly connected with a circuit board 44 through a screw post, the output end of the circuit board 44 is respectively connected with the stepping motor 23, the first electromagnetic valve 11, the second electromagnetic valve 12, the third electromagnetic valve 19, the warning light 35 and the output end of the buzzer 36 through leads, the operation panel 40 and the wireless signal transceiver 37 are both connected with the circuit board 44 through leads in a bidirectional way, the output end of the charging port 39 is electrically connected with the input end of the storage battery 38 through a lead, the output end of the storage battery 38 is electrically connected with the input end of the circuit board 44 through a lead, the circuit board 44 comprises a processor 45 and a pressure detection system 46, the processor 45 is an ARM9 series processor, the, the signal feedback module 48, the output ends of the first pressure gauge 9 and the second pressure gauge 10 are electrically connected with the input end of the processor 45 through a lead, the output end of the processor 45 is electrically connected with the input end of the data comparison module 47 through a lead, the output end of the data comparison module 47 is electrically connected with the input end of the signal feedback module 48 through a lead, the water pressure in the two water inlet shunt pipes 8 can be detected through arranging the first pressure gauge 9 and the second pressure gauge 10, the blockage can be identified and warned when serious blockage occurs, the automatic cleaning can be performed automatically, if the blockage occurs due to a structural fault is cleaned, the long-time high-pressure state can be achieved, a remote signal can be sent to call a worker to repair the blockage, the normal work of the device is ensured, the right side of the top of the control box 1 is connected with the operation panel 40 in a penetrating manner, and the, An indicator light 42 and a start button 43, the right side of the control box 1 is fixedly connected with a wire harness pipe 4, the front side and the rear side of the wire harness pipe 4 are fixedly connected with filter cartridges 5, the opposite ends of the water inlet pipe 2 and the water outlet pipe 3 are respectively communicated with a first three-way pipe 6 and a second three-way pipe 7, the top of the second three-way pipe 7 is communicated with a transparent observation pipe 26, the inside of the transparent observation pipe 26 is slidably connected with a cleaning piston 27, the top of the cleaning piston 27 is fixedly connected with a push sleeve 28, the top end of the push sleeve 28 penetrates through the top end of the transparent observation pipe 26 and extends to the upper part of the transparent observation pipe 26, the top end of the push sleeve 28 is in threaded connection with a detachable pressure lever 29, the surface of the push sleeve 28 is fixedly connected with an elliptical limit block 30 above the transparent observation pipe 26, the top end of the transparent observation pipe 26 is provided with an elliptical hole 31 matched, the descending of the pushing sleeve 28 can be limited, the pushing sleeve is prevented from sliding into the transparent observation tube 26 and being inconvenient to take out, the pushing sleeve can be smoothly pushed into the transparent observation tube 26 after rotating for 90 degrees, the filtered circulating water guiding part can enter the transparent observation tube 26 through the transparent observation tube 26, whether obvious impurities exist in the water can be further seen, the filtering effect can be further judged, so that pipelines can be switched timely and the filter screen 21 can be cleaned, the inner wall of the transparent observation tube 26 can be cleaned by matching the detachable pressure rod 29 and the pushing sleeve 28 with the cleaning piston 27, the transparency of the transparent observation tube can be kept, the structure is simple and practical, the two ends of the first three-way tube 6 are respectively communicated with the water inlet shunt tubes 8, the right ends of the two water inlet shunt tubes 8 are respectively communicated with the first pressure gauge 9 and the second pressure gauge 10, the left side and the right side of the two filter cartridges 5 are respectively and fixedly connected with the first electromagnetic valve, the right sides of the first electromagnetic valve 11 and the second electromagnetic valve 12 are both communicated with a water outlet shunt pipe 25, the right ends of the two water outlet shunt pipes 25 are respectively communicated with two ends of a second three-way pipe 7, the left sides of the first electromagnetic valve 11 and the second electromagnetic valve 12 are respectively communicated with the right sides of a first pressure gauge 9 and a second pressure gauge 10 through a connecting pipe 13, a sewage flushing pipe 14 is communicated between the tops of the two filter cartridges 5, the bottom of each filter cartridge 5 is provided with a sewage discharge groove 15, the bottom of each filter cartridge 5 is fixedly connected with a collecting pipe 16 outside the sewage discharge groove 15, the bottom of the collecting pipe 16 is communicated with a sewage discharge pipe 17, the two sewage discharge pipes 17 are communicated through a third three-way pipe 18, the surface of each sewage discharge pipe 17 is fixedly connected with a third electromagnetic valve 19, two water inlet shunt pipes 8 are arranged, so that water flows in two channels which can be replaced by turns, and when, can close this passageway, lead to another passageway with water, do not influence the normal flow of rivers, and utilize wash dirty pipe 14 to connect two cartridge filters 5, can derive a small amount of water in making another passageway and wash the cartridge filter 5 of treating the clearance, and then can discharge sewage automatically, convenient to use, and do not influence the job schedule.

The inside of the filter cartridge 5 is rotatably connected with a filter frame 20, the left side and the right side of the filter frame 20 are both fixedly connected with filter screens 21, the inner surface of the filter cartridge 5 and the two sides of the filter screens 21 are both fixedly connected with rubber sealing blocks, the surfaces of the rubber sealing blocks are in pressure joint with the surface of the filter frame 20, water can be prevented from flowing towards the two sides, the top of the filter frame 20 is fixedly connected with a cross frame 22, the cross frame 22 is embedded into the top of the filter frame 20, the top of the filter cartridge 5 is fixedly connected with a stepping motor 23, the bottom end of an output shaft of the stepping motor 23 penetrates through the top of the filter cartridge 5 and is fixedly connected with the center of the filter frame 20, the inside of the filter cartridge 5 and the inner side and the outer side of the filter frame 20 are both fixedly connected with steel wire brushes 24, the steel wire brushes 24 comprise a hard steel wire brush and a soft steel wire brush, make the circulating water can carry out twice and filter, guaranteed the cleanness of water, and utilize step motor 23 to drive and filter frame 20 and rotate, cooperate steel brush 24 to scrub to set up steel brush 24 into two kinds of specifications of soft or hard, can more conveniently thorough clearance filter screen 21, need not artifically take out the clearance, improved work efficiency.

And those not described in detail in this specification are well within the skill of those in the art.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a condenser circulating pipe secondary filter screen controlling means, includes control box (1), inlet tube (2) and outlet pipe (3), there is pencil pipe (4) on the right side fixed connection of control box (1), and the equal fixedly connected with cartridge filter (5) in both sides around pencil pipe (4), its characterized in that: the water inlet pipe (2) and the water outlet pipe (3) are opposite in end and are respectively communicated with a first three-way pipe (6) and a second three-way pipe (7), two ends of the first three-way pipe (6) are respectively communicated with a water inlet shunt pipe (8), the right ends of the two water inlet shunt pipes (8) are respectively communicated with a first pressure gauge (9) and a second pressure gauge (10), the left side and the right side of the two filter cartridges (5) are respectively and fixedly connected with a first electromagnetic valve (11) and a second electromagnetic valve (12), the left sides of the first electromagnetic valve (11) and the second electromagnetic valve (12) are respectively communicated with the right sides of the first pressure gauge (9) and the second pressure gauge (10) through connecting pipes (13), a sewage flushing pipe (14) is communicated between the tops of the two filter cartridges (5), a sewage draining groove (15) is formed in the bottom of the filter cartridges (5), and a collecting pipe (16) is fixedly connected to the outside of the sewage draining groove (15) and, the bottom of the collecting pipe (16) is communicated with a sewage discharge pipe (17), the two sewage discharge pipes (17) are communicated through a third three-way pipe (18), and the surface of each sewage discharge pipe (17) is fixedly connected with a third electromagnetic valve (19);

the filter cartridge is characterized in that the filter frame (20) is rotatably connected to the inside of the filter cartridge (5), the filter screens (21) are fixedly connected to the left side and the right side of the filter frame (20), the cross frame (22) is fixedly connected to the top of the filter frame (20), the stepping motor (23) is fixedly connected to the top of the filter cartridge (5), the bottom end of an output shaft of the stepping motor (23) penetrates through the top of the filter cartridge (5) and is fixedly connected with the center of the filter frame (20), and the steel wire brushes (24) are fixedly connected to the inner side and the outer side of the filter frame (20) and located inside the filter cartridge (5).

2. The secondary filter screen control device for the circulating water pipe of the condenser according to claim 1, characterized in that: the steel wire brush (24) comprises a hard steel wire brush and a soft steel wire brush, and the hard steel wire brush and the soft steel wire brush are respectively arranged on the front side and the rear side of the inner cavity of the filter cylinder (5).

3. The secondary filter screen control device for the circulating water pipe of the condenser according to claim 1, characterized in that: the right sides of the first electromagnetic valve (11) and the second electromagnetic valve (12) are communicated with water outlet shunt pipes (25), and the right ends of the two water outlet shunt pipes (25) are respectively communicated with the two ends of the second three-way pipe (7).

4. The secondary filter screen control device for the circulating water pipe of the condenser according to claim 1, characterized in that: the top intercommunication of second three-way pipe (7) has transparent observation pipe (26), the inside sliding connection of transparent observation pipe (26) has clean piston (27), and the top fixedly connected with of clean piston (27) promotes cover (28), the top of promoting cover (28) runs through the top of transparent observation pipe (26) and extends to the top of transparent observation pipe (26), and the top threaded connection that promotes cover (28) has detachable depression bar (29), the surface of promoting cover (28) just is located the top fixedly connected with oval stopper (30) of transparent observation pipe (26), and oval hole (31) with oval stopper (30) looks adaptation are seted up on the top of transparent observation pipe (26).

5. The secondary filter screen control device for the circulating water pipe of the condenser according to claim 1, characterized in that: all through screw fixed connection fixed plate (32) between the upper and lower both sides of control box (1) and pencil pipe (4) and the upper and lower both sides of first three-way pipe (6) and second three-way pipe (7), all through mount (33) fixed connection between the surface of control box (1) and pencil pipe (4) and the surface of connecting pipe (13) and play water shunt tubes (25), equal fixedly connected with fixing base (34) in the upper and lower both sides that cartridge filter (5) are close to pencil pipe (4) one side, and all through bolt fixed connection between the upper and lower both sides of fixing base (34) and pencil pipe (4).

6. The secondary filter screen control device for the circulating water pipe of the condenser according to claim 1, characterized in that: both sides are run through respectively around control box (1) top left side have warning light (35) and bee calling organ (36), the bottom of control box (1) inner chamber from left to right fixedly connected with wireless signal transceiver (37) and battery (38) in proper order, the bottom run through connection on control box (1) right side has charging port (39), screw post fixedly connected with circuit board (44) is passed through to the bottom of control box (1) internal surface and the top that is located battery (38), the right side run through connection at control box (1) top has operating panel (40), the top of operating panel (40) has from left to right set gradually display screen (41), pilot lamp (42) and start button (43).

7. The secondary filter screen control device for the condenser circulating water pipe according to claim 6, characterized in that: the output of circuit board (44) passes through the wire respectively with step motor (23), first solenoid valve (11), second solenoid valve (12), third solenoid valve (19), warning light (35) and buzzer (36) output electric connection, operating panel (40) and wireless signal transceiver (37) all realize two way connection through wire and circuit board (44), the input electric connection of wire and battery (38) is passed through to the output of port of charging (39), the input electric connection of wire and circuit board (44) is passed through to the output of battery (38).

8. The secondary filter screen control device for the circulating water pipe of the condenser according to claim 7, characterized in that: the circuit board (44) includes treater (45) and pressure measurement system (46), pressure measurement system (46) still includes data contrast module (47) and signal feedback module (48), the output of signal feedback module (48), first manometer (9) and second manometer (10) all is through the input electric connection of wire with treater (45), the output of treater (45) passes through the input electric connection of wire with data contrast module (47), the output of data contrast module (47) passes through the input electric connection of wire with signal feedback module (48).