CN111380370A - High-efficiency continuous production type condensing device - Google Patents
High-efficiency continuous production type condensing device Download PDFInfo
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- CN111380370A CN111380370A CN202010374628.3A CN202010374628A CN111380370A CN 111380370 A CN111380370 A CN 111380370A CN 202010374628 A CN202010374628 A CN 202010374628A CN 111380370 A CN111380370 A CN 111380370A
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- condenser
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B7/00—Combinations of two or more condensers, e.g. provision of reserve condenser
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B9/00—Auxiliary systems, arrangements, or devices
- F28B9/08—Auxiliary systems, arrangements, or devices for collecting and removing condensate
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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
- F28G15/00—Details
- F28G15/04—Feeding and driving arrangements, e.g. power operation
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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
- F28G9/00—Cleaning by flushing or washing, e.g. with chemical solvents
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- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Cleaning In General (AREA)
Abstract
The utility model provides a high efficiency continuous production formula condensing unit, this condensing unit comprises the condenser that two symmetries set up, the condensate discharge pipe of two condensers is all connected on a drain pipe, the one end that condensate discharge pipe was kept away from to two condensers is provided with washs conversion equipment, it includes the circular closed chamber of tip parcel in it with two condensers to wash conversion equipment, the center in circular closed chamber is provided with the circular removal base that the pivot drove, and drive the removal base in the pivot and rotate the in-process around circular closed chamber center, can shield the condensate water entering end in the condensate copper pipe area in arbitrary one condenser completely in order to prevent the condensate water entering, the removal base is last to have the passageway with washing liquid import intercommunication. The invention connects two existing condensers in parallel, and the soldier switches and blocks the two condensers by using the movable base and can clean the condensers to remove water scale when the condensers are blocked, thereby realizing the cleaning of the condensers without stopping working and continuous production.
Description
Technical Field
The invention relates to a condenser in the field of steam power generation of a thermal power plant, in particular to a high-efficiency continuous production type condensing device.
Background
The condenser is a heat exchanger for condensing the exhaust steam of the turbine into water, is also called a water re-condenser, is mainly used in a turbine power device and is divided into a water-cooling condenser and an air-cooling condenser. The general water-cooling condenser has the principle that a plurality of copper condenser tubes are arranged in a closed cavity, gaps are formed among the copper condenser tubes, and therefore, condensed water is introduced into the copper condenser tubes, so that when water vapor passes through the gaps among the copper condenser tubes, the water vapor and the condensed water are in contact with the walls of the copper condenser tubes to generate heat exchange, the water vapor is condensed into liquid drops, and the condensed water in the copper condenser tubes is inevitably heated in the process.
In the prior art, in order to reduce the cost, the condensed water introduced into the condensation copper pipe is generally tap water, the salt content in the tap water is higher, particularly the water quality in the north is harder, and a large amount of metal ions such as calcium, magnesium and the like are contained in the condensed water.
The current incrustation scale mode of cleaing away generally opens the both ends of condenser, links up the liquid pump again, pumps earlier acid cleaning liquid and washs in the condenser copper pipe, and the condenser need be opened to this kind of mode, still need reinstallate after wasing finishing moreover, and whole washing generally needs the one day time with the dismouting process, and this just leads to needing to shut down.
Disclosure of Invention
In order to solve the problem that the existing condenser needs to be shut down periodically to clean scales in a condensation copper pipe, the invention provides a high-efficiency continuous production type condenser device, cleaning equipment is arranged on the existing condenser, the condenser does not influence the operation of the condenser at ordinary times, the condenser enters the condenser to clean the interior of the condensation copper pipe when the condenser needs to be cleaned, three solutions which are more perfect and can be implemented industrially are finally formed after multiple conception, drawing, experiments and improvement, the experiments are carried out on No. 2 and No. 3 condensers of the coal-meaning group thermoelectric company, the effect is very good, the cleaning efficiency of the condenser can be greatly improved, the manpower and the workload during cleaning are saved, the reconstruction cost is controlled between 1.7-3.5 thousands of each condenser (the hydraulic station company itself only needs to introduce a new hydraulic pipeline), compared with the economic cost, the time cost and the labor cost which are saved, the method is very cost-effective; after negotiation with the thermoelectric company, one of the schemes is owned by the thermoelectric company, and the other two schemes are owned by Zhang Xiao.
The core idea of the invention is that two condensers are directly transformed to a certain extent, and then the two condensers are connected with a cleaning device in parallel, when in normal production, the cleaning device blocks one condenser to prevent the condenser from working, so that condensed water can be normally produced through the other condenser, when the normally working condenser needs to be stopped for cleaning scale during a period of use, the cleaning device rotates to the condenser again to block the condenser, and when the other condenser starts to work, the cleaning liquid in the cleaning device cleans the blocked condenser needing to be cleaned, thereby realizing the cleaning of the condenser without stopping working, and realizing the continuous production.
The technical scheme adopted by the invention for solving the technical problems is as follows: a high-efficiency continuous production type condensing device is composed of two symmetrically arranged condensers, each condenser comprises a condensing copper pipe area which is arranged in the condenser and used for heat exchange between steam and condensed water, a condensed water outlet end of the condensing copper pipe area is provided with a condensed water discharge pipe, two opposite sides of the condensing copper pipe area are respectively provided with a steam inlet pipe and a condensed water discharge pipe, the condensed water discharge pipes of the two condensers are connected to a water discharge pipe, one ends of the two condensers, which are far away from the condensed water discharge pipes, are provided with a cleaning and converting device, the cleaning and converting device comprises a circular closed cavity, the end parts of the two condensers are wrapped in the circular closed cavity, the center of the circular closed cavity is provided with a rotating shaft, the rotating shaft is provided with a circular moving base through a connecting plate, and the moving base is the same as the end parts of the condensing copper pipe areas in the two condensers in, in the process that the rotating shaft drives the movable base to rotate around the center of the circular closed cavity, the condensed water inlet end of a condensed copper pipe area in any one condenser can be completely shielded to prevent condensed water from entering;
two openable cleaning solution inlets are respectively arranged at positions corresponding to the two condensers on the circular closed cavity, and when the mobile base completely shields a condensed water inlet end of a condensed copper pipe area in one condenser, the cleaning solution inlet corresponding to the condenser is communicated with the condensed water inlet end of the condensed copper pipe area through a channel arranged in the mobile base so as to inject an acidic cleaning solution into each condensed copper pipe in the condensed copper pipe area through the cleaning solution inlet for cleaning;
and a condensed water inlet channel for injecting condensed water into the circular closed cavity is arranged in the rotating shaft.
In a preferred embodiment of the present invention, two circular rubber elastic plates are disposed in the circular sealed cavity, the two rubber elastic plates are disposed on the water inlet ends of the copper condenser pipe areas in the two condensers, respectively, and the two circular rubber elastic plates have through holes respectively exposing the pipe orifice of each copper condenser pipe in the copper condenser pipe area.
Another preferred embodiment of the present invention is that a plurality of fluid through holes are disposed in the movable base, and when a certain copper condenser pipe area is completely shielded by the movable base, one end of each of the fluid through holes corresponds to a corresponding one of all the copper condenser pipe orifices in the copper condenser pipe area, and the other end of each of the fluid through holes is communicated with the cleaning liquid inlet after being converged.
Another preferred embodiment of the invention is that a circular opening cavity is dug in one side of the movable base far away from the condensation copper pipe area, the opening of the opening cavity is opposite to the connecting plate, the opening cavity enables one side of the movable base close to the condensation copper pipe area to form a solid part, a partition plate vertical to the axial direction of the opening cavity is arranged in the opening cavity, and the partition plate divides the opening cavity into a cleaning agent cavity far away from one side of the condensation copper pipe area and a hydraulic oil cavity close to one side of the condensation copper pipe area;
a plurality of mounting holes penetrating through the solid part in the thickness direction are distributed on the solid part, through holes corresponding to the mounting holes one by one are formed in the partition plate, and when the movable base completely shields a certain condensation copper pipe area, the mounting holes correspond to pipe orifices in the condensation copper pipe area one by one; each mounting hole is internally provided with a movable spray head assembly;
the movable nozzle assembly comprises a hollow inner circular tube which is positioned in the mounting hole, the tail part of the hollow inner circular tube penetrates through a through hole in the partition plate to extend into the cleaning agent cavity and abut against the side wall of the cleaning agent cavity, a nozzle plate is fixed at the head end of the hollow inner circular tube, an outer sleeve is arranged around the outer part of the hollow inner circular tube, the outer sleeve is a rubber sleeve with folds, the head end of the rubber sleeve is fixed on the nozzle plate, the tail end of the rubber sleeve is fixed in the mounting hole, and an outer cavity formed between the outer sleeve and the hollow; a hydraulic oil channel is arranged in the rotating shaft, one end of the hydraulic oil channel extends out of the end part of the rotating shaft and then is connected with an external hydraulic pipeline, and the other end of the hydraulic oil channel penetrates through the connecting plate and the moving base and then is communicated with the hydraulic oil cavity so as to inject hydraulic oil into the hydraulic oil cavity through the hydraulic oil channel, so that the folds of the outer sleeve are stretched, the nozzle plate extends out of the mounting hole and then extends into a corresponding pipe orifice in the condensation copper pipe area, or the hydraulic oil in the hydraulic oil cavity is extracted, so that the outer sleeve recovers the fold state, and the nozzle plate is retracted into the mounting hole of the solid part from;
the tail end of the hollow inner circular tube is provided with an opening, so that when the nozzle plate extends out, the tail end of the hollow inner circular tube is separated from the contact with the side wall of the cleaning agent cavity and is communicated with the cleaning agent cavity to form a cleaning agent channel;
the nozzle plate is provided with a plurality of nozzle holes, one ends of the nozzle holes respectively incline to the inner wall of the condensation copper pipe, and the other ends of the nozzle holes are communicated with the inner cavity of the hollow inner circular pipe;
the cleaning agent cavity is communicated with the cleaning agent inlet when the movable base completely shields the condensation copper pipe area, so that an acidic cleaning agent is injected into the cleaning agent cavity through the cleaning agent inlet, and the acidic cleaning agent is sprayed to the inner wall of each condensation copper pipe through the hollow inner circular pipe cavity and the spray holes to clean the condensation copper pipe.
In another preferred embodiment of the present invention, the mounting hole has a circular recess extending around the hole at the end facing the hydraulic oil chamber, and an internal thread is provided on the inner side wall of the recess, the end of the outer sleeve is fixed at the bottom of a threaded sleeve, and the external thread on the outer wall of the threaded sleeve and the internal thread on the inner side wall of the circular recess form a threaded connection, thereby realizing the fixation of the outer sleeve.
In another preferred embodiment of the present invention, a filling portion extending in an axial direction of the hollow inner circular tube is provided at a central position of the hollow inner circular tube, and an inner containing chamber through which an acidic cleaning agent passes is formed between the filling portion and an inner wall of the hollow inner circular tube.
Another preferred embodiment of the present invention is that a check ring which is expanded outward is distributed around the tail end of the hollow inner circular tube, meanwhile, a recessed portion which is matched with the shape and size of the check ring is distributed around the through hole of the partition plate, and when the outer sleeve is extended to the limit position under the pressure of hydraulic oil, the check ring at the tail end of the hollow inner circular tube is clamped into the recessed portion, and the tail end of the hollow inner circular tube is flush with the surface of the side wall of the partition plate.
Compared with the prior art, the invention has the following advantages:
1) the invention connects two existing condensers in parallel, then sets a round closed cavity at the condensed water inlet ends of the two condensers, the closed cavity wraps the water inlet ends of the two condensers, then sets a movable base which can rotate around the center in the closed cavity, the movable base is set with a cleaning channel which communicates the external cleaning equipment and the condensed copper pipe area of the condenser, when in normal production, the movable base blocks one condenser to prevent the condenser from working, the condensed water entering the closed cavity can pass through the other condenser to carry out normal production operation, when the condenser which normally works needs to be stopped to clean scale when in use for a period of time, the movable base rotates to the condenser again and blocks the condenser, when the other condenser starts to work, the cleaning channel in the movable base connects the condensed copper pipe area of the condenser which needs to be cleaned with the external cleaning equipment, thereby cleaning the condenser to remove scale, realizing cleaning the condenser without stopping working and realizing continuous production;
2) the invention is characterized in that the water inlet ends of the condensation copper pipe areas of the two condensers are coated in a round closed cavity and can rotate in the round closed cavity, and the two condensation copper pipe areas are closed on a movable base which has two structures, wherein one of the movable base has fluid through holes inside, the fluid through holes can communicate the pipe orifice of each condensation copper pipe in the condensation copper pipe area with a cleaning liquid inlet on the side wall of the round closed cavity, and then acid cleaning liquid is sequentially filled into the movable base for soaking and clean water cleaning through the cleaning liquid inlet, so that the scale can be cleaned without being detached;
the other structure is more precise and is divided into two parts, one part is a circular opening cavity which is dug on the opening cavity and is provided with an opening, one side of the opening cavity forms a solid part, the opening of the opening cavity is aligned with the cleaning fluid inlet, a partition plate is arranged in the opening cavity to divide the opening cavity into a cleaning agent cavity which is close to one side of the condensed water inlet and is aligned with the opening of the cleaning fluid inlet and a completely closed hydraulic oil cavity which is far away from one side of the condensed water inlet along the thickness direction, a plurality of mounting holes which are in one-to-one correspondence with the condensed copper pipes are arranged in the solid part, a movable spray head assembly is arranged in each mounting hole, the main body of the movable spray head assembly is divided into two parts, one part is a corrugated telescopic outer sleeve, the other part is a hollow inner circular pipe, the outer sleeve is communicated with the hydraulic oil cavity, the expansion of the outer sleeve is, when the movable base is contracted, the movable base can be retracted into the solid part, and the rotation of the movable base in the circular closed cavity is not influenced; the hollow inner circular tube is used for penetrating through the partition plate and communicating the inner cavity of the partition plate with the cleaning agent cavity, so that the cleaning agent enters the inner cavity of the hollow inner circular tube through the cleaning agent cavity and is sprayed out of the spray holes in the spray head plate into the copper condenser tube to be cleaned; the cleaning liquid is sent into the movable base through a cleaning liquid inlet by a spray head of an external cleaning water pump, and the hydraulic oil is sent into the hydraulic oil cavity through a hydraulic oil channel on the rotating shaft.
Drawings
FIG. 1 is a general schematic of one configuration of the present invention;
FIG. 2 is a schematic view of the movable susceptor in the circular closed chamber shielding a copper condenser area;
FIG. 3 is a schematic diagram of a detailed structure of the movable base in FIG. 1;
FIG. 4 is an overall schematic view of another configuration of the present invention;
FIG. 5 is a schematic diagram of a detailed structure of the movable base in FIG. 4;
FIG. 6 is a schematic view of the movable base of FIG. 4 during cleaning;
FIG. 7 is a detailed schematic view of FIG. 6;
FIG. 8 is a schematic view showing a state in which the movable nozzle assembly is retracted;
FIG. 9 is a schematic view showing a state in which the movable head assembly is extended;
FIG. 10 is a schematic view of the movable nozzle assembly shown retracted;
FIG. 11 is a schematic view of the movable nozzle assembly when extended;
reference numerals: 1. the device comprises a condenser, 101, a copper condenser pipe area, 102, a steam inlet pipe, 103, a condensed water discharge pipe, 104, a condensed water discharge pipe, 105, a water discharge pipe, 2, a cleaning conversion device, 201, a circular closed cavity, 202, a cleaning liquid inlet, 203, a rubber elastic plate, 3, a rotating shaft, 301, a power mechanism, 302, a connecting plate, 303, a condensed water inlet channel, 304, a hydraulic oil channel, 4, a moving base, 401, a solid part, 402, a partition plate, 403, a cleaning agent cavity, 404, a hydraulic oil cavity, 405, a mounting hole, 406, a concave part, 407, a fluid through hole, 5, a movable nozzle assembly, 501, a hollow inner circular pipe, 502, an outer sleeve, 503, a nozzle plate, 504, an outer cavity, 505, a nozzle hole, 506, a content cavity, 507, a threaded sleeve, 508, a retaining ring, 509 and.
Detailed Description
The technical solution of the present invention will be further illustrated and described with reference to specific examples. The invention is not specifically explained in the prior art, and is not described herein in detail.
Example 1
As shown in fig. 1, 2 and 4, a high-efficiency continuous production type condensing device is composed of two condenser 1 which are symmetrically arranged, each condenser 1 comprises a condensed copper pipe area 101 which is used for heat exchange between steam and condensed water and is arranged in the condenser 1, a condensed water discharge pipe 103 is arranged at the condensed water discharge end of the condensed copper pipe area 101, a steam inlet pipe 102 and a condensed water discharge pipe 104 are respectively arranged at two opposite sides of the condensed copper pipe area 101, the condensed water discharge pipes 104 of the two condenser 1 are both connected to a water discharge pipe 105, a cleaning and converting device 2 is arranged at one end of each of the two condenser 1 which is far away from the condensed water discharge pipe 103, the cleaning and converting device 2 comprises a circular closed cavity 201 which wraps the end parts of the two condenser 1 in the circular closed cavity 201, a rotating shaft 3 which is driven by a power mechanism 301 to rotate is arranged at the center of the circular closed cavity 201, and a circular moving, the movable base 4 and the end parts of the copper condensation pipe areas 101 in the two condensers 1 are the same in size and shape, and in the process that the rotating shaft 3 drives the movable base 4 to rotate around the center of the circular closed cavity 201, the condensed water inlet end of the copper condensation pipe area 101 in any one condenser 1 can be completely shielded to prevent the condensed water from entering;
two openable cleaning solution inlets 202 are respectively arranged on the circular closed cavity 201 at positions corresponding to the two condensers 1, and when the mobile base 4 completely shields the condensed water inlet end of the condensed copper area 101 in one of the condensers 1, the cleaning solution inlet 202 corresponding to the condenser 1 is communicated with the condensed water inlet end of the condensed copper area 101 through a channel arranged in the mobile base 4, so that an acidic cleaning solution is injected into each condensed copper pipe of the condensed copper area 101 through the cleaning solution inlet 202 for cleaning;
a condensed water inlet channel 303 for injecting condensed water into the circular closed cavity 201 is arranged in the rotating shaft 3.
In this embodiment, the cleaning liquid inlet 202 is normally closed and is opened only when the copper condenser tube is to be cleaned, so that the nozzle of the external cleaning water pump extends into the movable base 4 through the cleaning liquid inlet 202 to prevent the cleaning liquid from running off.
In this embodiment, the condenser 1 is an existing cylindrical condenser, and only one end of the condenser, which enters condensed water, needs to be simply modified; one end of the condensed water inlet channel 303 is communicated with the circular closed cavity 201, and the other end of the condensed water inlet channel extends out of the circular closed cavity 201 along with the end part of the rotating shaft 3 and is connected with a condensed water pipe; the rotating shaft 3 is supported by two bearings, and meanwhile, when the rotating shaft penetrates through the side wall of the circular closed cavity 201, the rotating shaft needs to be sealed so as to prevent condensed water from leaking; the two condensers 1 are both cylindrical, the condensing copper pipe areas 101 in the condensers are also cylindrical, and the diameters of the two condensing copper pipe areas 101 are smaller than the radius of the circular closed cavity 201, so that the moving base 4 can completely shield the two condensing copper pipe areas 101 in the process of rotating by taking the circular closed cavity 201 as a center; the initial position of the mobile base 4 is such as to completely shield one of the copper condensation zones 101, i.e. the condensation zone 101 is temporarily not in use, so that the condensation entering the circular closed chamber 201 can only enter the other condensation zone 101; when the condensation copper pipe in this condensation copper pipe area 101 produced the incrustation and needs wash, drive removal base 4 through pivot 3 and shield the condensation copper pipe area 101 that needs wash, at this moment, the comdenstion water that gets into in the circular closed chamber 201 will follow another condensation copper pipe area 101 and flow out, and two condensers 1 exclusive use has guaranteed continuous production like this. Power unit 301 be motor drive's speed reducer, in order to guarantee pivoted accuracy nature moreover to make things convenient for mobile base 4 to shield with the complete match in condensation copper pipe area 101, can set for the rotation number of turns after the motor starts at every turn, realize that pivot 3 drives mobile base 4 pivoted angle through rotating the number of turns.
The foregoing is a basic embodiment of the present invention, and further modifications, optimizations and limitations can be made on the foregoing, so as to obtain the following examples:
example 2
This embodiment is an improved scheme based on embodiment 1, and its basic structure is the same as embodiment 1, and the improvement point is: as shown in fig. 1 and 4, two circular rubber elastic plates 203 are disposed in the circular sealed cavity 201, the two rubber elastic plates 203 are respectively disposed on the water inlet ends of the copper condenser pipe areas 101 in the two condensers 1, and through holes for exposing the pipe orifice of each copper condenser pipe in the copper condenser pipe area 101 are respectively disposed on the two circular rubber elastic plates 203.
In this embodiment, the rubber elastic plate 203 is used to make the moving base 4 more compact when attached thereto, thereby preventing water from leaking.
Example 3
The present embodiment is another modified scheme based on embodiment 1, and the basic structure is the same as embodiment 1, and the improvement point is that: as shown in fig. 1 and 3, a plurality of fluid through holes 407 are disposed in the movable base 4, and when the movable base 4 completely covers a certain copper condenser pipe area 101, one end of each of the fluid through holes 407 corresponds to a corresponding one of all copper condenser pipe orifices in the copper condenser pipe area 101, and the other end of each of the fluid through holes 407 is merged and then correspondingly communicated with the cleaning solution inlet 202.
In practical operation, a closed circular cavity is arranged in the movable base 4, the circular cavity is communicated with all condensation copper pipe orifices in a condensation copper pipe area 101 in a one-to-one correspondence manner through a plurality of fluid through holes 407 arranged on the disc surface of the movable base 4, another through hole is arranged on the side surface of the movable base 4, one end of the through hole is communicated with the circular cavity, and the other end of the through hole is communicated with the cleaning liquid inlet 202 in a corresponding manner.
Example 4
The present embodiment is another modified scheme based on embodiment 1, and the basic structure is the same as embodiment 1, and the improvement point is that: as shown in fig. 4-11, a circular opening cavity is dug in the side of the moving base 4 away from the condensed copper pipe area 101, the opening of the opening cavity is opposite to the connecting plate 302, the opening cavity enables the side of the moving base 4 close to the condensed copper pipe area 101 to form a solid part 401, a partition plate 402 perpendicular to the axial direction of the opening cavity is arranged in the opening cavity, the partition plate 402 divides the opening cavity into a cleaning agent cavity 403 away from the side of the condensed copper pipe area 101 and a hydraulic oil cavity 404 close to the side of the condensed copper pipe area 101, the hydraulic oil cavity 404 is completely closed, and the opening of the opening cavity is reserved in the cleaning agent cavity 403, so that the opening corresponding to the cleaning agent inlet 202 is formed in;
a plurality of mounting holes 405 penetrating through the solid part 401 in the thickness direction are distributed on the solid part 401, through holes corresponding to the mounting holes 405 one by one are formed in the partition plate 402, and when the movable base 4 completely shields one of the condensation copper pipe areas 101, the mounting holes 405 correspond to pipe orifices on the condensation copper pipe areas 101 one by one; each mounting hole 405 is internally provided with a movable nozzle assembly 5;
the movable nozzle assembly 5 comprises a hollow inner circular pipe 501 which is positioned in a mounting hole 405, the tail part of the hollow inner circular pipe passes through a through hole in a partition plate 402, extends into a cleaning agent cavity 403 and abuts against the side wall of the cleaning agent cavity 403, a nozzle plate 503 is fixed at the head end of the hollow inner circular pipe 501, an outer sleeve 502 is arranged around the outside of the hollow inner circular pipe 501, the outer sleeve 502 is a rubber sleeve with folds, the head end of the outer sleeve is fixed on the nozzle plate 503, the tail end of the outer sleeve is fixed in the mounting hole 405, and an outer containing cavity 504 formed between the outer sleeve 502 and the hollow inner circular pipe 501 is communicated; a hydraulic oil channel 304 is arranged in the rotating shaft 3, one end of the hydraulic oil channel 304 extends out of the end of the rotating shaft 3 and then is connected with an external hydraulic pipeline, the other end of the hydraulic oil channel 304 penetrates through the connecting plate 302 and the moving base 4 and then is communicated with the hydraulic oil cavity 404, hydraulic oil is injected into the hydraulic oil cavity 404 through the hydraulic oil channel 304, so that the folds of the outer sleeve 502 extend, the nozzle plate 503 extends out of the mounting hole 405 and then is inserted into a corresponding pipe orifice in the condensation copper pipe area 101, or the hydraulic oil in the hydraulic oil cavity 404 is extracted, the outer sleeve 502 is recovered to be in a folded state, and the nozzle plate 503 is retracted into the mounting hole 405 of the solid part 401 from the pipe orifice;
the tail end of the hollow inner circular tube 501 is opened, so that when the nozzle plate 503 extends out, the tail end of the hollow inner circular tube 501 is separated from the contact with the side wall of the cleaning agent cavity 403, and is communicated with the cleaning agent cavity 403 to form a cleaning agent channel;
a plurality of spray holes 505 are formed in the spray head plate 503, one ends of the spray holes 505 incline towards the inner wall of the condensation copper pipe respectively, and the other ends of the spray holes are communicated with the inner cavity of the hollow inner round pipe 501;
the cleaning agent chamber 403 is communicated with the cleaning agent inlet 202 when the movable base 4 completely shields the copper condenser pipe area 101, so that an acidic cleaning agent is injected into the cleaning agent chamber 403 through the cleaning agent inlet 202, and the acidic cleaning agent is sprayed to the inner wall of each copper condenser pipe through the inner cavity of the hollow inner circular pipe 501 and the spray holes 505 to clean the copper condenser pipe.
In this embodiment, the diameter of the nozzle 505 is sharply reduced from one end to the other end of the inner cavity of the hollow inner circular tube 501 to increase the speed of the acid cleaning solution when being sprayed, and the diameter ratio of the two ends is preferably 5-10: 1.
In this embodiment, when actually manufacturing the moving base 4, a circular plate may be selected as the solid portion 401, and then a circular recess is dug around the center on the side surface of the solid portion, and then an edge of the circular recess is dug to form an opening, and finally the circular recess is completely covered by another circular plate, so that the solid portion 401 and the open cavity of the present invention are formed; when the opening cavity is divided into two parts by the partition plate 402, the opening of the opening cavity is avoided, and the opening is positioned in the cleaning agent cavity 403, that is, the finally formed cleaning agent cavity 403 has an opening, and the hydraulic oil cavity 404 is a completely closed cavity; the opening of the cleaning agent chamber 403 (i.e., the opening of the open chamber) may be formed in a regular shape such as a circle or a square, and is preferably matched with the shape and size of the cleaning solution inlet 202 or slightly smaller than the cleaning solution inlet 202, so that the nozzle and the water pipe of the cleaning water pump can completely extend into the opening through the cleaning solution inlet 202 during cleaning, thereby preventing the cleaning solution from running off.
Example 5
This embodiment is an improved scheme based on embodiment 4, and its basic structure is the same as embodiment 4, and the improvement point is: as shown in fig. 8, the mounting hole 405 has a circular pit expanding outward around the hole at the end facing the hydraulic oil chamber 404, and an internal thread is provided on the inner side wall of the pit, the end of the outer sleeve 502 is fixed at the bottom of a threaded sleeve 507, and the external thread on the outer wall of the threaded sleeve 507 is in threaded connection with the internal thread on the inner side wall of the circular pit, thereby realizing the fixation of the outer sleeve 502.
Example 6
The present embodiment is another modified scheme based on embodiment 4, and the basic structure is the same as that of embodiment 4, and the improvement point is that: as shown in fig. 8 to 11, a filling portion 509 extending in the axial direction is provided at a central position of the hollow inner circular tube 501, and an inner cavity 506 through which an acidic cleaning agent passes is formed between the filling portion 509 and the inner wall of the hollow inner circular tube 501.
In this embodiment, the filling part 509 may be provided in a shape and a volume thereof, preferably in a cylindrical shape, as required, and in any shape, the filling part 509 is preferably hollow in the inside for the purpose of weight reduction.
Example 7
The present embodiment is another modified scheme based on embodiment 4, and the basic structure is the same as that of embodiment 4, and the improvement point is that: as shown in fig. 8 to 11, an outward expanding retaining ring 508 is distributed around the tail end of the hollow inner circular tube 501, and meanwhile, a recessed portion 406 matching with the shape and size of the retaining ring 508 is distributed around the through hole of the partition plate 402, and when the outer sleeve 502 is extended to the limit position under the action of hydraulic oil pressure, the retaining ring 508 at the tail end of the hollow inner circular tube 501 is clamped into the recessed portion 406, and the tail end of the hollow inner circular tube 501 is flush with the surface of the side wall of the partition plate 402.
In the above embodiments of the present invention, during cleaning, a cleaning pump needs to be inserted into the cleaning liquid inlet 202, the cleaning pump is used to pump the acidic cleaning liquid to be injected into each of the copper condenser tubes 101 for soaking for a certain time, and then the cleaning pump is used to pump the cleaning liquid for washing, thereby completing the cleaning and descaling.
Claims (7)
1. The utility model provides a high efficiency continuous production formula condensing unit, this condensing unit comprises condenser (1) that two symmetries set up, every condenser (1) is used for steam and condensate water heat exchange's condensation copper area district (101) including its inside, the condensate water outflow end in condensation copper area district (101) has condensate water discharge pipe (103), the relative both sides in condensation copper area district (101) have steam inlet pipe (102) and condensate water discharge pipe (104) respectively, and condensate water discharge pipe (104) of two condensers (1) all connect on a drain pipe (105), its characterized in that: one ends, far away from the condensed water discharge pipe (103), of the two condensers (1) are provided with cleaning and converting devices (2), each cleaning and converting device (2) comprises a circular closed cavity (201) wrapping the end parts of the two condensers (1), a rotating shaft (3) which is driven to rotate by a power mechanism (301) is arranged at the center of the circular closed cavity (201), a circular moving base (4) is arranged on the rotating shaft (3) through a connecting plate (302), the moving base (4) is the same as the end parts of the condensed water pipe areas (101) in the two condensers (1) in size and shape, and in the process that the rotating shaft (3) drives the moving base (4) to rotate around the center of the circular closed cavity (201), the condensed water inlet end of the condensed water pipe area (101) in any one condenser (1) can be completely shielded to prevent condensed water from entering;
two openable cleaning solution inlets (202) are respectively arranged at positions corresponding to the two condensers (1) on the circular closed cavity (201), and when the mobile base (4) completely shields the condensed water inlet end of the condensed copper pipe area (101) in one condenser (1), the cleaning solution inlet (202) corresponding to the condenser (1) is communicated with the condensed water inlet end of the condensed copper pipe area (101) through a channel arranged in the mobile base (4) so as to inject acidic cleaning solution into each condensed copper pipe of the condensed copper pipe area (101) through the cleaning solution inlet (202) for cleaning;
and a condensed water inlet channel (303) for injecting condensed water into the circular closed cavity (201) is arranged in the rotating shaft (3).
2. The high-efficiency continuous production type condensing unit according to claim 1, characterized in that: the condenser is characterized in that two circular rubber elastic plates (203) are arranged in the circular closed cavity (201), the two rubber elastic plates (203) are respectively arranged on water inlet ends of the condenser pipe areas (101) in the two condensers (1), and through holes which expose the pipe orifices of each condenser pipe in the condenser pipe areas (101) are respectively arranged on the two circular rubber elastic plates (203).
3. The high-efficiency continuous production type condensing unit according to claim 1, characterized in that: a plurality of fluid through holes (407) are formed in the movable base (4), when a certain condensation copper pipe area (101) is completely shielded by the movable base (4), one ends of the fluid through holes (407) correspond to all condensation copper pipe orifices in the condensation copper pipe area (101) one by one, and the other ends of the fluid through holes are communicated with the cleaning liquid inlet (202) after being converged.
4. The high-efficiency continuous production type condensing unit according to claim 1, characterized in that: a circular opening cavity is dug in one side, away from the condensation copper pipe area (101), of the moving base (4), the opening of the opening cavity is opposite to the connecting plate (302), one side, close to the condensation copper pipe area (101), of the moving base (4) is enabled to form a solid part (401) by the opening cavity, a partition plate (402) perpendicular to the axial direction of the solid part is arranged in the opening cavity, and the opening cavity is divided into a cleaning agent cavity (403) on one side, away from the condensation copper pipe area (101), and a hydraulic oil cavity (404) on one side, close to the condensation copper pipe area (101), by the partition plate (402);
a plurality of mounting holes (405) penetrating through the solid part (401) in the thickness direction are distributed on the solid part, through holes corresponding to the mounting holes (405) one by one are formed in the partition plate (402), and when the movable base (4) completely shields one certain condensation copper pipe area (101), the mounting holes (405) correspond to pipe orifices on the condensation copper pipe area (101) one by one; a movable spray head assembly (5) is arranged in each mounting hole (405);
the movable spray head assembly (5) comprises a hollow inner circular tube (501) which is positioned in a mounting hole (405), the tail part of the hollow inner circular tube penetrates through a through hole in a partition plate (402) to extend into a cleaning agent cavity (403) and abut against the side wall of the cleaning agent cavity (403), a spray head plate (503) is fixed at the head end of the hollow inner circular tube (501), an outer sleeve (502) is arranged around the outside of the hollow inner circular tube (501), the outer sleeve (502) is a rubber sleeve with folds, the head end of the outer sleeve is fixed on the spray head plate (503), the tail end of the outer sleeve is fixed in the mounting hole (405), and an outer cavity (504) formed between the outer sleeve (502) and the hollow inner circular tube (501) is communicated with a; a hydraulic oil channel (304) is arranged in the rotating shaft (3), one end of the hydraulic oil channel (304) extends out of the end part of the rotating shaft (3) and then is connected with an external hydraulic pipeline, the other end of the hydraulic oil channel (304) penetrates through the connecting plate (302) and the moving base (4) and then is communicated with the hydraulic oil cavity (404), so that hydraulic oil is injected into the hydraulic oil cavity (404) through the hydraulic oil channel (304), the folds of the outer sleeve (502) are stretched, the nozzle plate (503) extends out of the mounting hole (405) and then is inserted into a corresponding pipe orifice in the copper condensation pipe area (101), or the hydraulic oil in the hydraulic oil cavity (404) is pumped out, the outer sleeve (502) is enabled to recover the fold state, and the nozzle plate (503) is retracted into the mounting hole (405) of the solid body part (401) from the pipe orifice;
the tail end of the hollow inner circular tube (501) is opened, so that when the nozzle plate (503) extends out, the tail end of the hollow inner circular tube (501) is separated from the contact with the side wall of the cleaning agent cavity (403), and is communicated with the cleaning agent cavity (403) to form a cleaning agent channel;
a plurality of spray holes (505) are formed in the spray head plate (503), one ends of the spray holes (505) respectively incline towards the inner wall of the condensation copper pipe, and the other ends of the spray holes are communicated with the inner cavity of the hollow inner circular pipe (501);
the cleaning agent cavity (403) is communicated with the cleaning agent inlet (202) when the movable base (4) completely shields the condensation copper pipe area (101), so that an acidic cleaning agent is injected into the cleaning agent cavity (403) through the cleaning agent inlet (202), and the acidic cleaning agent is sprayed to the inner wall of each condensation copper pipe through the inner cavity of the hollow inner circular pipe (501) and the spray holes (505) to clean the condensation copper pipe.
5. The high-efficiency continuous production type condensing unit according to claim 4, characterized in that: the mounting hole (405) is provided with a circular pit which is expanded around the hole at one end facing the hydraulic oil chamber (404), an internal thread is arranged on the inner side wall of the pit, the end part of the outer sleeve (502) is fixed at the bottom of a threaded sleeve (507), and the external thread on the outer wall of the threaded sleeve (507) is in threaded connection with the internal thread on the inner side wall of the circular pit, so that the outer sleeve (502) is fixed.
6. The high-efficiency continuous production type condensing unit according to claim 4, characterized in that: a filling part (509) extending along the axial direction of the hollow inner circular tube (501) is arranged at the central position of the hollow inner circular tube, and an inner cavity (506) for acid cleaning agent to pass through is formed between the filling part (509) and the inner wall of the hollow inner circular tube (501).
7. The high-efficiency continuous production type condensing unit according to claim 4, characterized in that: encircle the tail end distribution of pipe (501) in the hollow has outer retaining ring (508) that expands, distribute simultaneously around the through-hole of baffle (402) with retaining ring (508) shape and size matching depressed part (406), and when outer tube (502) extended to extreme position under the hydraulic oil pressure effect, the retaining ring (508) of pipe (501) tail end in the hollow is gone into in depressed part (406) to the tail end of pipe (501) in the hollow and the lateral wall surface parallel and level of baffle (402) in making the hollow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010374628.3A CN111380370A (en) | 2020-05-06 | 2020-05-06 | High-efficiency continuous production type condensing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010374628.3A CN111380370A (en) | 2020-05-06 | 2020-05-06 | High-efficiency continuous production type condensing device |
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| Publication Number | Publication Date |
|---|---|
| CN111380370A true CN111380370A (en) | 2020-07-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010374628.3A Withdrawn CN111380370A (en) | 2020-05-06 | 2020-05-06 | High-efficiency continuous production type condensing device |
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| CN (1) | CN111380370A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114459261A (en) * | 2022-03-11 | 2022-05-10 | 浙江嘉诚动能科技股份有限公司 | Multi-module reactor nuclear power unit evaporator water supply system |
-
2020
- 2020-05-06 CN CN202010374628.3A patent/CN111380370A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114459261A (en) * | 2022-03-11 | 2022-05-10 | 浙江嘉诚动能科技股份有限公司 | Multi-module reactor nuclear power unit evaporator water supply system |
| CN114459261B (en) * | 2022-03-11 | 2024-03-19 | 浙江嘉诚动能科技股份有限公司 | Multi-module reactor nuclear power unit evaporator water supply system |
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Application publication date: 20200707 |