CN201177476Y

CN201177476Y - Condensator automatic cleaning device

Info

Publication number: CN201177476Y
Application number: CNU2008203004080U
Authority: CN
Inventors: 何宗岳
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-03-24
Filing date: 2008-03-24
Publication date: 2009-01-07
Anticipated expiration: 2018-03-24

Abstract

An automatic cleaning device for a condenser comprises a by-pass duct, a filter bulb pipe and a bulb collecting barrel, wherein the by-pass duct is arranged between pipe sections of a water conveying main pipe, and is provided with a necking gate; an upper branch pipe and a lower branch pipe are respectively arranged above and under the necking gate; a tee valve is arranged on the upper branch pipe; the tee valve is communicated with pipelines of the upper branch pipe and the lower branch pipe through mount a bypass pipe; the filter bulb pipe is provided with an off-set circular pipe filter gauze for water flow but not cotton tampon to pass; a cotton tampon return pipe is connected between the upper end of the circular pipe filter gauze inside the filter bulb pipe and the bulb collecting barrel; and a liquid return pipe is connected between an outer pipe of the filter bulb pipe and the bulb collecting barrel. Inside the water conveying main pipe part water enters the upper branch pipe through a high-pressure end of the by-pass duct and flows back to a low-pressure end of the by-pass duct through the bypass pipe and the lower branch pipe; inside a backwater main pipe part water flow enters a high-pressure end of the filter bulb pipe and flows back to a low-pressure end of the filter bulb pipe through the liquid return pipe and via the cotton tampon return pipe; therefore, before cotton tampon cyclic motion is started, the waterway of the main pipe is bypassed and can not increase the load on a main pipe liquid pump.

Description

Condenser automatic flushing device

Technical field

The utility model relates to a kind of condenser automatic flushing device, refers in particular to the water pipeline that a kind of tool is often opened the bypass pipe design, and the current total amount can be remained unchanged during to be washed, and the condenser automatic flushing device of liquid pump load is responsible in unlikely increase.

Background technology

Press, shell and tube condenser/heat exchanger so often needs the artificial incrustation scale of regularly removing because of the incrustation scale problem for extensively being used to the cooling device of frozen water machine, air compressor machine, turbine and processing procedure machine etc.; At present existing several are exempted from cotton balls formula condenser automatic flushing device with additionaling powers such as liquid pumps, it is a kind of differential static pressure that utilizes liquid such as water in pipeline, to flow and produce, make the cotton balls circulation be displaced into one by pipe in the shunting of condenser, by cotton balls and inner tubal wall friction, and then reach the device of removing the inner tubal wall incrustation scale.For example shown in Figure 1, it is U.S. Pat 7,036,564 cotton balls purging system schematic diagram, wherein, the differential static pressure of current system is produced by isocon 11 and filter bulb pipe 12 in this pipeline, the cotton balls do action cleans during to be washed, two closed type two-port valve V10 and two-port valve V20 are closed condition, because of the current by 12 of isocon 11 and filter bulb pipes can't bypass, make and be responsible for 13,14 water flow pressure forms crushing in the last front and back section of carrying both, causes the load of being responsible for liquid pump to increase relatively, therefore, this disclosed purging system technology, in cleaning process do not start to be washed during, have to make and be responsible for the shortcoming that the liquid pump load increases, the place that Ying Youke is improved.

The utility model content

Technical problem to be solved in the utility model is at the deficiencies in the prior art, to provide a kind of unlikely increase to be responsible for the condenser automatic flushing device of liquid pump load.

For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of condenser automatic flushing device, this device comprise an isocon, a filter bulb pipe, a ball barrel; It is characterized in that: this isocon is installed between the pipeline section that send the water person in charge, in be provided with a reducing lock, reducing lock upper and lower on this isocon respectively is provided with an arm and a lower branch line on one, one triple valve is arranged on this on arm, one first check valve is arranged at this lower branch line front end, is communicated with the pipeline of going up arm and lower branch line by the triple valve place through establishing a bypass pipe; Be provided with the pipe filter screen of biasing in this filter bulb pipe, the stream that only supplies water passes through, and cotton balls can not; Be provided with a filter opening dividing plate in this ball barrel inside is separated into space up and down, the pipeline that is positioned at the space has a liquid supply tube and a cotton balls supply pipe, the last arm and the lower branch line that link isocon respectively, more have a cotton balls recurrent canal to be linked to the interior pipe filter screen upper end of filter bulb pipe, one second check valve is arranged between this cotton balls recurrent canal; Following space has a liquid recurrent canal, is linked to the outer tube of filter bulb pipe.

Compared with prior art, the beneficial effects of the utility model are: the utility model send water to be responsible for part water and enters arm via the isocon high-pressure side and pass through bypass pipe, lower branch line bypassing reflux stream to the isocon low-pressure end; The high-pressure side that backwater person in charge part current enter the filter bulb pipe passes through second check valve, ball barrel, liquid recurrent canal via the cotton balls recurrent canal, by the low-pressure end of two-port valve bypassing reflux stream to the filter bulb pipe; So when the cotton balls do action does not start, be responsible for the water route and be able to bypass and can not increase the load of being responsible for liquid pump.

Description of drawings

Fig. 1 is the structural representation of known purging system.

Fig. 2 is the structural representation of the utility model preferred embodiment.

Fig. 3 is that cotton balls of the present utility model is from the action schematic diagram of ball barrel through condenser.

Fig. 4 is that cotton balls of the present utility model is got back to the action schematic diagram that ball barrel is collected by the pipe filter screen.

Fig. 5 is that pipe filter screen of the present utility model is located at the structural representation in the filter bulb pipe.

Label declaration:

11. isocon 12. filter bulb pipes

13,14. be responsible for

V10, V20. two-port valve

1. sending water to be responsible for 2. backwater is responsible for

3. be responsible for liquid pump 4. cotton balls

5. manage in the condenser 51.

20. isocon 21. reducing locks

22. last arm 23. lower branch lines

24. bypass pipe

V11. triple valve V22. two-port valve

CV11. the first check valve CV22., second check valve

30. filter bulb pipe 31. outer tubes

32. pipe filter screen

40. ball barrel 41. filter opening dividing plates

42. 43. times spaces, last space

44. liquid supply tube 45. cotton balls supply pipes

46. cotton balls recurrent canal 47. liquid recurrent canals

50. autocontrol panel

60. cooling tower

The specific embodiment

For architectural feature of the present utility model, advantage and other purpose can more be understood, below be described as follows especially exemplified by preferred embodiment now, and cooperate graphic detailed description as after.

Please refer to shown in Figure 2ly, the preferred embodiment structural representation of condenser cleaning device of the present utility model shows among the figure, and this device comprises an isocon 20, a filter bulb pipe 30, a ball barrel 40 and an autocontrol panel 50; Wherein:

This isocon 20 is the 4 siphunculus members that an inside is provided with reducing lock 21, peace is connected between the pipeline section that send the water person in charge 1, reducing lock on isocon 20 about in the of 21 fragment position respectively made arm 22 and lower branch line 23 on one, one triple valve V11 is arranged on the arm 22, one first check valve CV11 is arranged at lower branch line 23 front ends, be communicated with the pipeline of going up arm 22 and lower branch line 23 through establishing a bypass pipe 24, see through the modulation of triple valve V11 opening, the convertible water (flow) direction that enters arm 22, make liquid be flowed to ball barrel 40 to push cotton balls 4, or be responsible for 1 by lower branch line 23 bypass flow loopback water and send water to be responsible for 1 constant total flow and do not increase the load of being responsible for liquid pump 3 to reduce the crushing of isocon 20 front and back sections, to keep.

As shown in Figure 5, filter bulb pipe 30 of the present utility model has the pipe filter screen 32 with outer tube 31 eccentric configurations, and except that the volume that can dwindle filter bulb pipe 30, cotton balls recurrent canal 46 and liquid recurrent canal 47 that ball barrel 40 receipts balls are used all can be received on the filter bulb pipe 30.As the diagram of Fig. 2, when liquid recurrent canal 47 collocation one open type two-port valve V22, because of backwater is responsible for 2 part current bypass, so when phase to be washed, the total flow that filter bulb pipe 30 front and back Duan Junke remain unchanged and do not increase the load of person in charge's liquid pump 3.

This ball barrel 40 has the basic cotton balls function of sending, receive, in be provided with a filter opening dividing plate 41 inside be separated into up and down

space

42,43, the pipeline that is positioned at space 42 has a liquid supply tube 44 and a cotton balls supply pipe 45, the last arm 22 and the lower branch line that link isocon 20 respectively, more have a cotton balls recurrent canal 46 to be linked to pipe filter screen 32 upper ends in the filter bulb pipe 30, one second check valve CV22 is arranged at 46 of this cotton balls recurrent canals; 43 in following space has a liquid recurrent canal 47, is linked to the outer tube of filter bulb pipe 30; Open type two-port valve V22 keeps regular circulation because of the current from filter bulb pipe 30, produce flow-disturbing and dash and remove the foul that is attached on the cotton balls 4 in ball barrel 40, foul flows into the filter bulb pipes by two-port valve V22 by liquid recurrent canal 47 again and enters backwater and be responsible for 2 and flow back to cooling tower 60 and get rid of.

This autocontrol panel 50 sees through program-controlled (PLC) mode, presets the open and close time of electronic or Pneumatic three-way valve V11 and two-port valve V22, and then reaches the automatic control function of this device.

Refer again to shown in Fig. 2,3,4, is the operation of describing automatic flushing device of the present utility model.

The utility model utilizes isocon 20 and filter bulb pipe 30 to make person in charge's current produce differential static pressure and is used as power, with the big slightly soft cotton balls 4 of pipe 51 diameters in the ratio condenser 5 that exists in the ball barrel 40, send in the condenser 5 via isocon 20, removing is illustrated being divided into phase to be washed, cleaning phase and receipts ball phase its service cycle according to present embodiment attached to the still unhardened incrustation scale on the interior pipe 51:

A, phase to be washed: in the triple valve V11 order, lower branch line 22,23 communicate by bypass pipe 24, and two-port valve V22 leaves, as shown in Figure 2, when being responsible for liquid pump 3 runnings, send the water person in charge 1 part water to enter arm 22 by bypass pipe 24 via isocon 20 high-pressure side P1, lower branch line 23 bypassing reflux streams to isocon 20 low-pressure end P2 (＜P1), with send water to be responsible for 1 water to mix, the condenser 5 of flowing through together, enter the high-pressure side P3 of filter bulb pipe 30, wherein part water can be via cotton balls recurrent canal 46 by the second check valve CV22, ball barrel 40, liquid recurrent canal 47, by two-port valve V22 bypassing reflux stream to the low-pressure end P4 of filter bulb pipe 30 (＜P3).Simultaneously, current produce flow-disturbing and dash and remove the foul that is attached on the cotton balls 4 in ball barrel 40.Be higher than P3 because of static pressure P2 this moment, so the first check valve CV11 closes, P2 end water can not enter in the ball barrel 40.The utility model utilization is provided with the isocon 20 of bypass open type triple valve V11 and the filter bulb pipe 30 of adapted open type two-port valve V22, so in the phase to be washed that this device does not start, be able to the load that bypass can not increase person in charge's liquid pump 3 because of being responsible for the water route.

B, cleaning phase: arm 22, liquid supply tube 44 bypass pipe that communicates turn-offs in the triple valve V11 order, and two-port valve V22 closes, as shown in Figure 3, sending water to be responsible for 1 part current enters arm 22 via isocon 20 high-pressure side P1 and enters ball barrel 40 by liquid supply tube 44, differential static pressure pushes cotton balls 4 and sends among the low-pressure end P2 of isocon 20 by the first check valve CV11, after person in charge's water mixes, enter condenser 5 more together and clean interior pipe 51 back inflow filter bulb pipes 30.Be higher than P2 and P3 because of static pressure P1 this moment, and the second check valve CV22 closes so the first check valve CV11 opens.Again because of the filter screen aperture of pipe filter screen 32 less than cotton balls 4 diameters, only water can pass through, so before the cleaning phase finished, all cotton balls 4 temporarily were blocked in the pipe filter screen 32.

C, receive the ball phase: triple valve V11 makes upper and

lower arm

22,23 communicate by bypass pipe 24, and two-port valve V22 leaves, as shown in Figure 4, be blocked in the cotton balls 4 of pipe filter screen 32 upper ends, be sent back in the ball barrel 40 via the second check valve CV22, because of filter opening dividing plate 41 apertures in the bucket less than cotton balls 4 diameters, so cotton balls 4 can not flow out.Be higher than P3 because of static pressure P2 this moment, so the first check valve CV11 closes, P2 end current can not enter in the ball barrel 40.

See through control automatically, can make triple valve V11 and two-port valve V22 all receive the default value signal control of autocontrol panel 50, preset per 30 minutes cleaning condensers once, each cleaning phase and equal 1 minute of ball phase of receipts, can guarantee not scaling of inner condensing tube, to reach automatic control function.

In sum; the utility model condenser automatic flushing device has reached default purpose; the real demand that has met industry; the whence proposes patent application in accordance with the law; only; though the utility model discloses with aforementioned preferred embodiment; right its is not in order to limit the utility model; anyly be familiar with this skill person, in not breaking away from the utility model spirit and scope, when being retouched or revise; for example condenser inlet is if there is the shut-off valve of both having established; then can be used to replace reducing lock 21 of the present utility model, to reduce cost, therefore protection domain of the present utility model is as the criterion when looking claims person of defining.

Claims

1. condenser automatic flushing device, this device comprises an isocon, a filter bulb pipe, a ball barrel; It is characterized in that: this isocon is installed between the pipeline section that send the water person in charge, in be provided with a reducing lock, reducing lock upper and lower on this isocon respectively is provided with an arm and a lower branch line on one, one triple valve is arranged on this on arm, one first check valve is arranged at this lower branch line front end, is communicated with the pipeline of going up arm and lower branch line by the triple valve place through establishing a bypass pipe; Be provided with the pipe filter screen of biasing in this filter bulb pipe, the stream that only supplies water passes through, and cotton balls can not; Be provided with a filter opening dividing plate in this ball barrel inside is separated into space up and down, the pipeline that is positioned at the space has a liquid supply tube and a cotton balls supply pipe, the last arm and the lower branch line that link isocon respectively, more have a cotton balls recurrent canal to be linked to the interior pipe filter screen upper end of filter bulb pipe, one second check valve is arranged between this cotton balls recurrent canal; Following space has a liquid recurrent canal, is linked to the outer tube of filter bulb pipe.

2. condenser automatic flushing device according to claim 1 is characterized in that this device comprises an autocontrol panel.