CN214792776U

CN214792776U - Online cleaning device for heat exchanger

Info

Publication number: CN214792776U
Application number: CN202120941383.8U
Authority: CN
Inventors: 张绍庭; 张爱军; 刘青林; 赵至蓬
Original assignee: Shandong Shunye Pressure Vessel Co ltd
Current assignee: Shandong Shunye Pressure Vessel Co ltd
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2021-11-19
Anticipated expiration: 2031-04-30

Abstract

The application relates to an online cleaning device for a heat exchanger, which belongs to the technical field of heat exchangers and comprises an auxiliary water spraying assembly, an auxiliary driving assembly and an auxiliary water supply component, wherein the auxiliary water supply component is used for supplying water into the auxiliary water spraying assembly, the auxiliary water spraying assembly is used for cleaning the outside of a condensation pipe, and the auxiliary driving assembly is arranged on the inner wall of a shell of the heat exchanger and is used for driving the auxiliary water spraying assembly to move axially along the condensation pipe. Because when clearing up the heat exchanger, online washing robot device clears up the cooling tube inside, and supplementary water spray assembly clears up the cooling tube outside, consequently through the clearance mode of inside and outside combination, has enlarged heat exchanger clearance scope to in the longer time, can maintain the heat exchange efficiency of heat exchanger.

Description

Online cleaning device for heat exchanger

Technical Field

The application relates to the field of heat exchangers, in particular to an online cleaning device for a heat exchanger.

Background

The heat exchanger can produce the dirt at the operation in-process, and long-term operation still can cause the heat exchange tube through-flow pipe diameter to diminish even block up, not only can reduce equipment operating efficiency, still can cause the pollution and the ageing of pipe network when serious, and then causes equipment to be forced to shut down and economic loss. Therefore, frequent cleaning of the heat exchanger is required.

The utility model discloses a chinese utility model patent that the notice number is CN205049045U, and the notice day is 20160224 discloses a condenser online washing robot device, and it includes the frame, set up the female pipe of nozzle that is used for the water supply in the frame, be used for driving the female pipe reciprocating motion's of nozzle drive arrangement and rotation arm, be provided with a plurality of condenser pipe cleaning nozzle that correspond with the condenser pipe import on the female pipe of nozzle. During operation, external water source gets into the female intraductal of nozzle, then washs the nozzle blowout from the condenser pipe for condenser pipe washing nozzle washs the condenser pipe, simultaneously, opens drive arrangement, and the reciprocating motion of the female pipe of drive arrangement drive nozzle makes condenser pipe washing nozzle carry out comprehensive washing to a plurality of condenser pipes.

In view of the above-mentioned related arts, the inventor believes that since the condenser tube cleaning nozzle is disposed at one end of the heat exchanger, the cleaning range is limited when the heat exchanger is cleaned, and thus the heat exchange efficiency of the heat exchanger is still reduced in a short time.

SUMMERY OF THE UTILITY MODEL

In order to enlarge the cleaning range of the heat exchanger and maintain the heat exchange efficiency of the heat exchanger for a long time, the application provides an online cleaning device for the heat exchanger.

The application provides a heat exchanger online cleaning device adopts following technical scheme:

the utility model provides an online belt cleaning device of heat exchanger, includes supplementary water spray assembly, auxiliary drive subassembly and supplementary water supply unit, supplementary water supply unit is used for supplying water in the supplementary water spray assembly, supplementary water spray assembly is used for wasing the outside of condenser pipe, auxiliary drive subassembly sets up in heat exchanger shell inner wall for the supplementary water spray assembly of drive is along condenser pipe axial displacement.

Through adopting above-mentioned technical scheme, the heat exchanger during operation, condenser online washing robot device washs the condenser intraduct, after the heat exchanger stop work, the drive is assisted and is supplied water in the water supply part with supplementary water spray assembly, then supplementary water spray assembly washs the condenser pipe outside, start the auxiliary drive subassembly simultaneously, auxiliary drive assembly drives the removal of supplementary water spray assembly, thereby make supplementary water spray assembly carry out comprehensive clearance to the condenser pipe outside, because when clearing up the heat exchanger, the clearance is combined to inside and outside, consequently, heat exchanger clearance scope has been enlarged, thereby in the longer time, can maintain the heat exchange efficiency of heat exchanger.

Optionally, the auxiliary water spraying assembly comprises a water spraying plate and a plurality of nozzles, a cavity is formed in the water spraying plate, the auxiliary water supply component is communicated with the cavity, the plurality of nozzles are arranged along the radial direction of the condensation pipe, and the auxiliary driving assembly drives the water spraying plate to move.

Through adopting above-mentioned technical scheme, supplementary water supply part supplies water in to the cavity, and then in the water in the cavity evenly got into each shower nozzle to make the shower nozzle can wash a plurality of condenser pipe outsides simultaneously, thereby improve the cleaning efficiency.

Optionally, the auxiliary water supply component includes a water supply pipe and an on-off valve, one end of the water supply pipe is used for supplying water into the water spray plate, the other end of the water supply pipe and the condenser wash a water inlet pipe in the robot device on line, and the on-off valve is communicated with the water supply pipe and used for controlling on-off of the water supply pipe.

By adopting the technical scheme, when the spray head is used for cleaning the outside of the condensation pipe, the on-off valve is opened, so that part of cleaning water entering the on-line washing robot device of the condenser enters the water supply pipe, and the cost is saved because an independent external water source is not needed, and the spray head is also used for supplying water conveniently.

Optionally, the auxiliary driving assembly comprises a screw rod and a motor, the motor is mounted on the heat exchanger shell, an output shaft of the motor is coaxially and fixedly connected with the screw rod, the screw rod rotates on the inner wall of the heat exchanger shell, and the water spraying plate is in threaded connection with the screw rod.

Through adopting above-mentioned technical scheme, starter motor, the rotation of motor drive lead screw to the removal of drive water spray plate makes the shower nozzle carry out comprehensive washing to the condenser pipe outside automatically, thereby uses manpower sparingly.

Optionally, the auxiliary driving assembly comprises a guide rod, the guide rod is fixed on the inner wall of the shell of the heat exchanger, and the water spraying plate is connected with the guide rod in a sliding manner.

Through adopting above-mentioned technical scheme, the purpose that sets up the guide bar is, on the one hand plays the guide effect to sliding of water spray plate, and on the other hand improves water spray plate stability of sliding.

Optionally, a water storage tank is arranged in the heat exchanger shell, a water delivery hole is formed in the bottom wall of the water storage tank, the water supply pipe is communicated with the water storage tank, the water spray plate is communicated with a connecting pipe, the connecting pipe is arranged in the water delivery hole and connected with the heat exchanger shell in a sliding manner, two corrugated pipe pieces for shielding the water delivery hole are arranged on the bottom wall of the water storage tank in a sliding manner, one end of each corrugated pipe piece is fixedly connected with the inner side wall of the water delivery hole, and the other end of each corrugated pipe piece is fixedly connected with the connecting pipe.

Through adopting above-mentioned technical scheme, the setting of ripple section of jurisdiction for water in the aqua storage tank can not leak, and when can be so that the water spray plate remove, water in the aqua storage tank can supply water in the water spray plate cavity always.

Optionally, a protection plate is fixed on the inner wall of the heat exchanger shell, and a water spray hole for the spray head to stretch out and slide is formed in the protection plate.

Through adopting above-mentioned technical scheme, the purpose that sets up the guard plate is, plays the guard action to the lead screw, alleviates the influence of fluid in the heat exchanger shell to the lead screw.

Optionally, one end of the water supply pipe is in threaded connection with the heat exchanger shell, and the other end of the water supply pipe is in threaded connection with a water inlet pipeline in the condenser online washing robot device.

Through adopting above-mentioned technical scheme, set up the purpose that the delivery pipe can dismantle the connection with heat exchanger shell and condenser online washing robot device is, the installation of the delivery pipe of being convenient for to and heat exchanger and condenser online washing robot device's independent transportation.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the auxiliary water spraying assembly is arranged for cleaning the interior of the cooling pipe by the online washing robot device and cleaning the exterior of the cooling pipe by the auxiliary water spraying assembly when the heat exchanger is cleaned, so that the cleaning range of the heat exchanger is expanded by a cleaning mode combining the interior and the exterior, and the heat exchange efficiency of the heat exchanger can be maintained for a long time;

2. the water supply pipe and the on-off valve are arranged, so that when the spray head cleans the outside of the condensation pipe, the on-off valve is opened, part of cleaning water entering the condenser online washing robot device enters the water supply pipe, and an independent external water source is not needed, so that the cost is saved, and the spray head is more convenient to supply water;

3. the purpose of setting up the ripple section of jurisdiction for the water in the aqua storage tank can not leak, can be so that when the water spray plate removed, the water in the aqua storage tank can supply water in the water spray plate cavity always.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic view showing the construction of an auxiliary water supply part on the heat exchanger case.

Fig. 3 is a schematic structural view of the auxiliary water spray assembly and the auxiliary driving assembly.

Description of reference numerals: 100. an auxiliary water supply part; 110. a water supply pipe; 120. an on-off valve; 200. an auxiliary water spray assembly; 210. a water spray plate; 211. a spray head; 300. an auxiliary drive assembly; 310. a motor; 320. a lead screw; 330. a guide bar; 400. a heat exchanger housing; 410. a water storage tank; 411. a corrugated pipe piece; 420. a connecting pipe; 500. the condenser washes the robot device on line; 600. a protection plate; 610. and (4) water spray holes.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses heat exchanger online cleaning device.

Referring to fig. 1, the online cleaning device for the heat exchanger comprises an auxiliary water supply part 100, an auxiliary water spray assembly 200 and an auxiliary driving assembly 300, wherein the auxiliary water spray assembly 200 is used for cleaning the outside of the condensation pipe, the auxiliary water supply part 100 is used for supplying water into the auxiliary water spray assembly 200, and the auxiliary driving assembly 300 is arranged on the inner wall of a shell 400 of the heat exchanger and is used for driving the auxiliary water spray assembly 200 to move along the radial direction of the condensation pipe.

Referring to fig. 2, the auxiliary water supply unit 100 includes a water supply pipe 110, one end of the water supply pipe 110 is screw-coupled to a water inlet pipe in the condenser online washing robot apparatus 500, and the other end is screw-coupled to the heat exchanger housing 400. A water storage tank 410 is arranged in the upper end wall of the heat exchanger shell 400, a water delivery hole along the axis of the condensation pipe is arranged on the bottom wall of the water storage tank 410, and the water supply pipe 110 is communicated with the water storage tank 410.

An on-off valve 120 for opening and closing the water supply pipe 110 is connected to the water supply pipe 110.

The bottom wall of the water storage tank 410 is slidably provided with a connecting pipe 420, and the connecting pipe 420 is arranged in the water delivery hole. The bottom wall of the water storage tank 410 is provided with two corrugated pipe pieces 411 for shielding the water delivery hole in a sliding manner, one end of each of the two corrugated pipe pieces 411 is fixedly connected with the inner side wall of the water delivery hole, and the other end of each of the two corrugated pipe pieces 411 is fixedly connected with the connecting pipe 420.

Referring to fig. 3, the auxiliary water spray assembly 200 includes a water spray plate 210, the water spray plate 210 slides on the inner wall of the heat exchanger housing 400, and a cavity is formed in the water spray plate 210. The lower surface of the water spraying plate 210 is provided with a plurality of spray heads 211 through bolts, and the spray heads 211 are communicated with the cavity and radially distributed along the condenser pipe. The connection pipe 420 is welded to the upper surface of the water spray plate 210 and communicates with the cavity.

The auxiliary driving assembly 300 includes a motor 310, the motor 310 is mounted on a side wall of the heat exchanger housing 400 through a bolt, and an output shaft thereof is coaxially fixed with a lead screw 320, the lead screw 320 is rotatably connected with an inner wall of the heat exchanger housing 400, and the water spray plate 210 is in threaded connection with the lead screw 320.

In order to improve the sliding stability of the water spray plate 210, two guide rods 330 are welded to the inner wall of the heat exchanger housing 400, and both the guide rods 330 penetrate through the water spray plate 210, are slidably connected with the water spray plate 210, and are disposed at both sides of the water spray plate 210.

In order to protect the screw 320, a protection plate 600 is welded to the inner wall of the heat exchanger shell 400, and a water spray hole 610 for the spray head 211 to penetrate out and slide is formed in the protection plate 600.

The implementation principle of the online cleaning device for the heat exchanger in the embodiment of the application is as follows:

when the heat exchanger works, the condenser online washing robot device 500 can clean the interior of the condenser pipe, and the on-off valve 120 is in a closed state;

after the heat exchanger stops working, the on-off valve 120 is opened, so that the part of the cleaning water entering the condenser online washing robot device 500 enters the water supply pipe 110, and is sprayed out through the spray head 211, and the outside of the cooling pipe is cleaned;

and meanwhile, the motor 310 is started, and the motor 310 drives the screw 320 to rotate, so that the water spraying plate 210 is driven to move, and the spray head 211 can completely clean the outside of the condensation pipe.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a heat exchanger online cleaning device which characterized in that: including supplementary water spray assembly (200), auxiliary drive subassembly (300) and supplementary water supply unit (100), supplementary water supply unit (100) are used for supplying water in to supplementary water spray assembly (200), supplementary water spray assembly (200) are used for wasing the outside of condenser pipe, auxiliary drive assembly (300) set up in heat exchanger shell (400) inner wall for drive supplementary water spray assembly (200) along condenser pipe axial displacement.

2. The on-line cleaning device for the heat exchanger according to claim 1, wherein: the auxiliary water spraying assembly (200) comprises a water spraying plate (210) and a spray head (211), a cavity is formed in the water spraying plate (210), the auxiliary water supply component (100) is communicated with the cavity, the spray head (211) is provided with a plurality of spray heads and communicated with the cavity, the spray heads (211) are arranged along the radial direction of a condensation pipe, and the auxiliary driving assembly (300) drives the water spraying plate (210) to move.

3. The on-line cleaning device for the heat exchanger according to claim 2, wherein: the auxiliary water supply component (100) comprises a water supply pipe (110) and an on-off valve (120), one end of the water supply pipe (110) is used for supplying water into the water spraying plate (210), the other end of the water supply pipe and a water inlet pipeline in the condenser online washing robot device (500) are communicated, and the on-off valve (120) is communicated with the water supply pipe (110) and used for controlling the on-off of the water supply pipe (110).

4. The on-line cleaning device for the heat exchanger according to claim 2, wherein: the auxiliary driving assembly (300) comprises a lead screw (320) and a motor (310), the motor (310) is installed on the heat exchanger shell (400), an output shaft of the motor (310) is coaxially and fixedly connected with the lead screw (320), the lead screw (320) rotates on the inner wall of the heat exchanger shell (400), and the water spraying plate (210) is in threaded connection with the lead screw (320).

5. The on-line cleaning device for the heat exchanger according to claim 4, wherein: the auxiliary driving assembly (300) comprises a guide rod (330), the guide rod (330) is fixed on the inner wall of the heat exchanger shell (400), and the water spray plate (210) is connected with the guide rod (330) in a sliding mode.

6. The on-line cleaning device for the heat exchanger according to claim 3, wherein: the utility model provides a heat exchanger, including heat exchanger shell (400), aqua storage tank (410) have been seted up on heat exchanger shell (400), the water delivery hole has been seted up to aqua storage tank (410) diapire, delivery pipe (110) and aqua storage tank (410) intercommunication, the intercommunication has connecting pipe (420) on water spray plate (210), it is downthehole that the water delivery is arranged in to connecting pipe (420) to slide with heat exchanger shell (400) and be connected, aqua storage tank (410) diapire slides and has two sections ripple section of jurisdiction (411) that shield the water delivery hole, two sections the one end of ripple section of jurisdiction (411) all with water delivery hole inside wall fixed connection, the other end all with connecting pipe (420) fixed connection.

7. The on-line cleaning device for the heat exchanger according to any one of claims 1 to 6, wherein: the inner wall of the heat exchanger shell (400) is fixed with a protection plate (600), and the protection plate (600) is provided with a water spray hole (610) for the spray head (211) to stretch out and slide.

8. The on-line cleaning device for the heat exchanger according to claim 6, wherein: one end of the water supply pipe (110) is in threaded connection with the heat exchanger shell (400), and the other end of the water supply pipe is in threaded connection with a water inlet pipeline in the condenser online washing robot device (500).