CN112129159A - Novel ball adding port of centralized ball serving device of condenser rubber ball cleaning system - Google Patents
Novel ball adding port of centralized ball serving device of condenser rubber ball cleaning system Download PDFInfo
- Publication number
- CN112129159A CN112129159A CN202010909333.1A CN202010909333A CN112129159A CN 112129159 A CN112129159 A CN 112129159A CN 202010909333 A CN202010909333 A CN 202010909333A CN 112129159 A CN112129159 A CN 112129159A
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- Prior art keywords
- ball
- main body
- adding port
- centralized
- cleaning system
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 24
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G1/00—Non-rotary, e.g. reciprocated, appliances
- F28G1/12—Fluid-propelled scrapers, bullets, or like solid bodies
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- F16K31/041—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
- F16K31/535—Mechanical actuating means with toothed gearing for rotating valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/0605—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor with particular plug arrangements, e.g. particular shape or built-in means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/0647—Spindles or actuating means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Taps Or Cocks (AREA)
Abstract
The invention relates to the technical field of machinery, in particular to a novel ball adding port of a centralized ball serving device of a condenser rubber ball cleaning system, which comprises a ball adding chamber main body, wherein a ball adding port is fixedly installed on one side of the top end of the ball adding chamber main body, a ball valve main body is fixedly installed on one side of the top end of the ball adding port, a feeding hopper is fixedly installed on one side of the top end of the ball valve main body, a base is fixedly installed on one side of the bottom end of the ball adding chamber main body, a viewing mirror is fixedly installed on one side of the outer end of the ball adding chamber main body, a through hole is formed in one side of the interior of the ball valve main body in a penetrating mode. The novel ball feeding port of the centralized ball serving device of the condenser rubber ball cleaning system can enable the whole device to feed rubber balls more simply and conveniently, effectively improves the working efficiency of users, improves the practicability of the whole device and brings better use prospect.
Description
Technical Field
The invention relates to the technical field of machinery, in particular to a novel ball adding port of a centralized ball serving device of a condenser rubber ball cleaning system.
Background
The rubber ball cleaning device is the best equipment for effectively cleaning the condenser cooling pipe in the running process of the steam turbine unit, the cleaning degree and the heat transfer effect of the steam turbine condenser are directly influenced by the quality of the use performance of the device, the application range of the device is quite wide, and the device is not only suitable for cleaning the steam turbine condenser, but also suitable for petroleum, petrochemical industry, chemical industry and steel units.
The current joint sealing baling press has certain drawback when using, current condenser rubber ball cleaning system concentrates serve device and adds the ball mouth and generally adopts flange formula and add the ball mouth, need use the spanner to unpack apart the bolt when adding the ball, open the flange and just can add the ball for adding the ball room, it is tight with the bolt still to need to add the ball mouth flange after accomplishing to add the ball, it is more to add ball mode operation, the frequent dismouting of flange bolt damages easily and leads to the dismouting difficulty, thereby comparatively inconvenient, at the in-process that uses, certain influence has been brought. Therefore, the technical personnel in the field provide a novel ball adding port of the centralized ball serving device of the condenser rubber ball cleaning system to solve the problems in the background technology.
Disclosure of Invention
The invention aims to provide a novel ball adding port of a centralized ball serving device of a condenser rubber ball cleaning system, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a novel ball mouth that adds of ball cleaning system centralized service device of condenser rubber ball, includes and adds the ball room main part, the top one side fixed mounting who adds the ball room main part has the ball mouth, top one side fixed mounting who adds the ball mouth has the ball valve main part, top one side fixed mounting of ball valve main part has the loading hopper, bottom one side fixed mounting who adds the ball room main part has the base, the outer end one side fixed mounting who adds the ball room main part has the sight glass, the through-hole has been seted up in inside one side run through of ball valve main part, one side that the inside of ball valve main part is close to the through-hole is provided with the hemisphere valve plate, one side fixed mounting that the inner wall of through-hole corresponds the hemisphere valve plate has the disk seat.
As a further scheme of the invention: the equal fixed mounting in surface both sides of connecting rod has the axis of rotation, one side fixed mounting that the inside of ball valve main part corresponds the axis of rotation has footstep bearing, and the ball valve main part passes through footstep bearing and axis of rotation fixed connection.
As a still further scheme of the invention: outer end one side fixed mounting of axis of rotation has first gear, surface one side of ball valve main part is provided with servo motor, and one side fixed mounting that servo motor corresponds in the outer end of ball valve main part has the fixing base, and the ball valve main part passes through fixing base and servo motor fixed connection.
As a still further scheme of the invention: a second gear is fixedly mounted on one side of an output shaft of the servo motor, the first gear and the second gear are meshed with each other, and a connecting sleeve is fixedly mounted on one side of the bottom end of the ball valve main body.
As a still further scheme of the invention: seal ring has been cup jointed to the outer wall one side of adapter sleeve, and seal ring sets up between ball valve main part and adds the ball mouth, add one side that the inside of ball mouth corresponds the adapter sleeve and all seted up the connection opening, and the ball valve main part passes through the adapter sleeve and is connected with the connection opening.
As a still further scheme of the invention: the equal fixed mounting in surface both sides that add the ball mouth has the engaging lug, the connecting hole has all been run through to set up in inside one side of engaging lug, and one side that the inside of engaging lug corresponds the connecting hole is provided with stud, and the engaging lug passes through connecting hole and stud connection.
As a still further scheme of the invention: a storage battery is arranged on one side of the outer wall of the ball adding chamber main body, and the input end of the servo motor is electrically connected with the output end of the storage battery.
Compared with the prior art, the invention has the beneficial effects that:
1. through the arranged feeding hopper, when a user stably places the ball adding chamber main body through the base, the user can put a rubber ball into the feeding hopper, the servo motor is electrified through the storage battery, the servo motor drives the second gear to rotate, the rotating shaft arranged by the thrust bearing is driven to rotate through the matching of the second gear and the first gear, the rotating shaft is fixedly connected with the hemispherical valve plate through the connecting rod, the hemispherical valve plate can be driven to rotate when the rotating shaft rotates, the ball valve main body is sealed when the hemispherical valve plate is matched with the valve seat fixed on the inner wall of the through hole, otherwise, when the hemispherical valve plate is not in contact with the valve seat fixed on the inner wall of the through hole, the through hole can be opened by the ball valve main body, the feeding of the rubber ball in the feeding hopper is realized, the ball adding is different from the conventional flange dismounting mode, and the working efficiency of the user is effectively improved, the use of the user of being convenient for, it is better for traditional mode.
2. Through the ball valve main part that sets up, when the user of service needs the installation ball valve main part, then can insert the adapter sleeve with the connection opening that the ball mouth was seted up, through the connecting hole of seting up stud with the engaging lug, through stud with the ball valve main part with add the stable fixed of ball mouth, then can effectually keep the ball valve main part and add the connection leakproofness of ball mouth through seal ring, otherwise, when the user of service dismantles the ball valve main part, then can dismantle stud dismantles, simple convenient pull down the maintenance with the ball valve main part, through stud then can be fine prevent to rust and be difficult to the problem of dismantling, convenient to use person uses, better for traditional mode.
Drawings
FIG. 1 is a schematic structural view of a novel ball feeding port of a centralized ball serving device of a condenser rubber ball cleaning system;
FIG. 2 is a schematic structural view of a ball valve main body in a novel ball feeding port of a centralized ball serving device of a condenser rubber ball cleaning system;
fig. 3 is a schematic connection diagram of a ball adding port and a ball valve main body in a novel ball adding port of a condenser rubber ball cleaning system centralized ball serving device.
In the figure: 1. a ball adding chamber main body; 2. adding a ball port; 3. a ball valve body; 4. a hopper; 5. a base; 6. a sight glass; 7. a through hole; 8. a hemispherical valve plate; 9. a valve seat; 10. a connecting rod; 11. a rotating shaft; 12. a thrust bearing; 13. a first gear; 14. a servo motor; 15. a second gear; 16. connecting sleeves; 17. a sealing gasket; 18. connecting the ports; 19. connecting lugs; 20. a stud bolt.
Detailed Description
Referring to fig. 1 to 3, in the embodiment of the invention, a novel ball adding port of a centralized ball serving device of a condenser rubber ball cleaning system comprises a ball adding chamber main body 1, a ball adding port 2 is fixedly installed on one side of the top end of the ball adding chamber main body 1, a ball valve main body 3 is fixedly installed on one side of the top end of the ball adding port 2, a feeding hopper 4 is fixedly installed on one side of the top end of the ball valve main body 3, a base 5 is fixedly installed on one side of the bottom end of the ball adding chamber main body 1, a viewing mirror 6 is fixedly installed on one side of the outer end of the ball adding chamber main body 1, a through hole 7 is formed in one side of the interior of the ball valve main body 3 in a penetrating mode, a hemispherical valve plate 8 is arranged on one side, close to the through hole 7, a valve seat 9 is fixedly installed.
In FIGS. 1-2: the equal fixed mounting in surface both sides of connecting rod 10 has axis of rotation 11, and one side fixed mounting that the inside of ball valve main part 3 corresponds axis of rotation 11 has footstep bearing 12, and ball valve main part 3 passes through footstep bearing 12 and axis of rotation 11 fixed connection to make the integrated device can drive the more stable rotation of axis of rotation 11 through footstep bearing 12.
In FIGS. 1-2: a first gear 13 is fixedly mounted on one side of the outer end of the rotating shaft 11, a servo motor 14 (ACSM 110-G04030LZ) is arranged on one side of the outer surface of the ball valve body 3, a fixing seat is fixedly mounted on one side of the outer end of the ball valve body 3 corresponding to the servo motor 14, and the ball valve body 3 is fixedly connected with the servo motor 14 through the fixing seat, so that the whole device can drive a second gear 15 to rotate through the servo motor 14.
In fig. 2-3: output shaft one side fixed mounting of servo motor 14 has second gear 15, and intermeshing between first gear 13 and the second gear 15, bottom one side fixed mounting of ball valve main part 3 has adapter sleeve 16, thereby make the integrated device can pass through the cooperation of second gear 15 with first gear 13, the axis of rotation 11 that drives thrust bearing 12 and set up rotates, carry out fixed connection with axis of rotation 11 and hemisphere valve plate 8 through connecting rod 10, then can drive hemisphere valve plate 8 and rotate when axis of rotation 11 rotates, the cooperation of disk seat 9 when hemisphere valve plate 8 and 7 inner wall fixed of through-hole, it is airtight to carry out ball valve main part 3.
In fig. 1 and 3: seal ring 17 has been cup jointed to the outer wall one side of adapter sleeve 16, and seal ring 17 sets up between ball valve main part 3 and add the ball mouth 2, and the mouth of joinder 18 has all been seted up to the inside one side that corresponds adapter sleeve 16 that adds ball mouth 2, and ball valve main part 3 passes through adapter sleeve 16 and is connected with mouth of joinder 18 to make integrated device can then effectually keep ball valve main part 3 and the connection leakproofness that adds ball mouth 2 through seal ring 17.
In fig. 1 and 3: add the equal fixed mounting in surface both sides of bulbous mouth 2 and have engaging lug 19, the connecting hole has all been run through to inside one side of engaging lug 19, and one side that the inside of engaging lug 19 corresponds the connecting hole is provided with stud 20, and engaging lug 19 passes through the connecting hole and is connected with stud 20 to make integrated device can pass the connecting hole that the engaging lug 19 was seted up with stud 20, through stud 20 with ball valve main part 3 with add the stable fixed of bulbous mouth 2.
In FIGS. 1-2: add outer wall one side of ball room main part 1 and be provided with the battery, and the input of servo motor 14 and the output electric connection of battery to make whole device can pass through the battery and carry out the circular telegram to servo motor 14.
The working principle of the invention is as follows: when a user stably places the ball adding chamber main body 1 through the base 5, the user can put a rubber ball into the feeding hopper 4, then the servo motor 14 is electrified through the storage battery, the servo motor 14 drives the second gear 15 to rotate, the rotating shaft 11 arranged on the thrust bearing 12 is driven to rotate through the matching of the second gear 15 and the first gear 13, the rotating shaft 11 is fixedly connected with the hemispherical valve plate 8 through the connecting rod 10, the hemispherical valve plate 8 can be driven to rotate when the rotating shaft 11 rotates, the ball valve main body 3 is sealed when the hemispherical valve plate 8 is matched with the valve seat 9 fixed on the inner wall of the through hole 7, otherwise, when the hemispherical valve plate 8 is not in contact with the valve seat 9 fixed on the inner wall of the through hole 7, the through hole 7 can be opened by the ball valve main body 3, the rubber ball in the feeding hopper 4 can be loaded, the method different from the method of removing the flange in the past, effectual improvement user of service's work efficiency, when user needs installation ball valve main part 3, then can insert the adapter sleeve 16 with in the connection opening 18 that ball mouth 2 was seted up, through the connecting hole of passing stud 20 and engaging lug 19 and seting up, through stud 20 with ball valve main part 3 with add the stable fixed of ball mouth 2, then can effectual ball valve main part 3 of keeping and the connection leakproofness that adds ball mouth 2 through seal ring 17, on the contrary, when user of service dismantles ball valve main part 3, then can dismantle stud 20 and dismantle, simple convenient pull down ball valve main part 3 and overhaul, through stud 20 then can be fine prevent rust and the problem that is difficult to dismantle, convenient to use person uses, and is comparatively practical.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.
Claims (7)
1. A novel ball adding port of a centralized ball serving device of a condenser rubber ball cleaning system comprises a ball adding chamber main body (1) and is characterized in that a ball adding port (2) is fixedly mounted on one side of the top end of the ball adding chamber main body (1), a ball valve main body (3) is fixedly mounted on one side of the top end of the ball adding port (2), a feeding hopper (4) is fixedly mounted on one side of the top end of the ball valve main body (3), a base (5) is fixedly mounted on one side of the bottom end of the ball adding chamber main body (1), a viewing mirror (6) is fixedly mounted on one side of the outer end of the ball adding chamber main body (1), a through hole (7) is formed in one side of the interior of the ball valve main body (3) in a penetrating mode, a hemispherical valve plate (8) is arranged on one side, close to the through hole (7), of the inner wall of the through hole (7) corresponding, and connecting rods (10) are fixedly mounted on two sides of the bottom end of the hemispherical valve plate (8).
2. The novel ball adding port of the centralized ball serving device of the condenser rubber ball cleaning system according to claim 1, wherein both sides of the outer surface of the connecting rod (10) are fixedly provided with rotating shafts (11), one side of the inside of the ball valve body (3) corresponding to the rotating shafts (11) is fixedly provided with a thrust bearing (12), and the ball valve body (3) is fixedly connected with the rotating shafts (11) through the thrust bearing (12).
3. The novel ball adding port of the centralized ball serving device of the condenser rubber ball cleaning system according to claim 2, wherein a first gear (13) is fixedly mounted on one side of the outer end of the rotating shaft (11), a servo motor (14) is arranged on one side of the outer surface of the ball valve body (3), a fixing seat is fixedly mounted on one side, corresponding to the servo motor (14), of the outer end of the ball valve body (3), and the ball valve body (3) is fixedly connected with the servo motor (14) through the fixing seat.
4. The novel ball adding port of the centralized ball serving device of the condenser rubber ball cleaning system according to claim 3, wherein a second gear (15) is fixedly mounted on one side of an output shaft of the servo motor (14), the first gear (13) and the second gear (15) are meshed with each other, and a connecting sleeve (16) is fixedly mounted on one side of the bottom end of the ball valve body (3).
5. The novel ball adding port of the centralized ball serving device of the condenser rubber ball cleaning system according to claim 4, wherein a sealing gasket (17) is sleeved on one side of the outer wall of the connecting sleeve (16), the sealing gasket (17) is arranged between the ball valve main body (3) and the ball adding port (2), a connecting port (18) is formed in one side of the inside of the ball adding port (2) corresponding to the connecting sleeve (16), and the ball valve main body (3) is connected with the connecting port (18) through the connecting sleeve (16).
6. The novel ball adding port of the centralized ball serving device of the condenser rubber ball cleaning system according to claim 1, wherein both sides of the outer surface of the ball adding port (2) are fixedly provided with connecting lugs (19), one side of the inside of each connecting lug (19) is provided with a connecting hole in a penetrating manner, one side of the inside of each connecting lug (19), which corresponds to the connecting hole, is provided with a stud bolt (20), and each connecting lug (19) is connected with the stud bolt (20) through the connecting hole.
7. The novel ball adding port of the centralized ball serving device of the condenser rubber ball cleaning system according to claim 3, wherein a storage battery is arranged on one side of the outer wall of the ball adding chamber main body (1), and the input end of the servo motor (14) is electrically connected with the output end of the storage battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010909333.1A CN112129159A (en) | 2020-09-02 | 2020-09-02 | Novel ball adding port of centralized ball serving device of condenser rubber ball cleaning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010909333.1A CN112129159A (en) | 2020-09-02 | 2020-09-02 | Novel ball adding port of centralized ball serving device of condenser rubber ball cleaning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112129159A true CN112129159A (en) | 2020-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010909333.1A Pending CN112129159A (en) | 2020-09-02 | 2020-09-02 | Novel ball adding port of centralized ball serving device of condenser rubber ball cleaning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112129159A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208331391U (en) * | 2018-06-19 | 2019-01-04 | 玉环蓓瑾思流体控制科技有限公司 | A kind of motor-driven valve |
| CN109519586A (en) * | 2019-01-05 | 2019-03-26 | 贵阳锐航智能科技有限公司 | A kind of electric control valve in intelligence control system |
| CN214039719U (en) * | 2020-09-02 | 2021-08-24 | 大唐保定热电厂 | Novel ball adding port of centralized ball serving device of condenser rubber ball cleaning system |
-
2020
- 2020-09-02 CN CN202010909333.1A patent/CN112129159A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208331391U (en) * | 2018-06-19 | 2019-01-04 | 玉环蓓瑾思流体控制科技有限公司 | A kind of motor-driven valve |
| CN109519586A (en) * | 2019-01-05 | 2019-03-26 | 贵阳锐航智能科技有限公司 | A kind of electric control valve in intelligence control system |
| CN214039719U (en) * | 2020-09-02 | 2021-08-24 | 大唐保定热电厂 | Novel ball adding port of centralized ball serving device of condenser rubber ball cleaning system |
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