CN111256502A - Heat exchanger - Google Patents
Heat exchanger Download PDFInfo
- Publication number
- CN111256502A CN111256502A CN202010221451.3A CN202010221451A CN111256502A CN 111256502 A CN111256502 A CN 111256502A CN 202010221451 A CN202010221451 A CN 202010221451A CN 111256502 A CN111256502 A CN 111256502A
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- Prior art keywords
- dredging
- outlet
- shell
- cavity
- liquid
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
- F28F19/01—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using means for separating solid materials from heat-exchange fluids, e.g. filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/22—Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/24—Arrangements for promoting turbulent flow of heat-exchange media, e.g. by plates
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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
- F28G13/00—Appliances or processes not covered by groups F28G1/00 - F28G11/00; Combinations of appliances or processes covered by groups F28G1/00 - F28G11/00
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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
- F28G3/00—Rotary appliances
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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
Abstract
The invention discloses a heat exchanger, which comprises a main shell, a cleaning liquid tank and a liquid pump, wherein the cleaning liquid tank is arranged in the main shell; the liquid inlet end of the liquid pump is communicated with the cleaning liquid tank through a cleaning liquid inlet pipe, the liquid inlet end of the liquid pump is provided with a liquid inlet filter screen, and the liquid outlet end of the liquid pump is provided with a cleaning liquid supply pipe which can be in butt joint with the outer cavity liquid inlet pipe; a main inner baffle is arranged in the main cavity in the shell, an inner plate hole is formed in the main inner baffle, and the main inner baffle divides the main cavity in the shell into a main shell inlet cavity and a main shell outlet cavity; an advancing filter screen is arranged in the advancing shell cavity, and a front outlet filter screen is arranged in the front outlet shell cavity. The invention has the beneficial effects that: the device can exchange heat with liquid, has a function of cleaning a fluid pipe, can clean a passage which is easy to block the pipe regularly, and has high utilization rate of cleaning liquid and good impurity separation effect during cleaning; when utilizing the washing liquid to wash the easy stifled fluid pipe, the liquid pump drive washing liquid circulation, and driven by the way inside auxiliary structure and carried out washing, clearance of imitateing by force, clean effect is better.
Description
Technical Field
The invention belongs to the technical field of heat exchange, and particularly relates to a heat exchanger.
Background
A heat exchanger (also called heat exchanger) is a device that transfers part of the heat of a hot fluid to a cold fluid. The heat exchanger plays an important role in chemical industry, petroleum industry, power industry, food industry and other industrial production, and in chemical industry, the heat exchanger can also be used as a heater, a cooler, a condenser, an evaporator, a reboiler and the like, so that the heat exchanger is very widely applied. Because the heat exchanger needs to exchange heat for two kinds of liquid, two different liquid passages are needed, wherein one is a channel inside the heat exchanger shell, the other is a plurality of fluid pipes arranged in the heat exchanger shell, the caliber of the channel inside the heat exchanger shell is large, and the caliber of the fluid pipe is relatively small, so that the fluid pipe is easy to block after being used for a period of time.
Disclosure of Invention
The invention provides a heat exchanger, which can exchange heat of liquid, has a fluid pipe cleaning function, can clean a passage which is easy to block a pipe regularly, and has high utilization rate of cleaning liquid and good impurity separation effect during cleaning.
In order to achieve the purpose, the invention adopts the following technical scheme:
a heat exchanger comprises a main shell, a cleaning liquid tank and a liquid pump; the main shell comprises a front shell head, a shell pipe and a rear shell head which are connected in sequence, a front seat plate, a rear seat plate, a plurality of inner liquid inlet pipes and a plurality of inner liquid outlet pipes are arranged in the main shell, an inner cavity liquid inlet pipe and an inner cavity liquid outlet pipe are arranged on the shell pipe, an outer cavity liquid inlet pipe and an outer cavity liquid outlet pipe are arranged on the front shell head, the front seat plate and the front shell head jointly enclose a front shell cavity, the front seat plate, the rear seat plate and the shell pipe jointly enclose a shell inner main cavity, the rear seat plate and the rear shell head jointly enclose a rear shell cavity, the inner liquid inlet pipe penetrates through the front seat plate and the rear seat plate, the inner liquid outlet pipe penetrates through the front seat plate and the rear seat plate, a front inner partition plate is arranged in the front shell cavity, the front shell cavity is divided into a front shell cavity and a front shell outlet cavity by the front partition plate, one end of the inner liquid inlet pipe is arranged in the front shell cavity, the; the liquid inlet end of the liquid pump is communicated with the cleaning liquid tank through a cleaning liquid inlet pipe, the liquid inlet end of the liquid pump is provided with a liquid inlet filter screen, and the liquid outlet end of the liquid pump is provided with a cleaning liquid supply pipe which can be in butt joint with the outer cavity liquid inlet pipe; a main inner baffle is arranged in a main cavity in the shell, an inner plate hole is formed in the main inner baffle, the main inner baffle divides the main cavity in the shell into a main shell inlet cavity and a main shell outlet cavity, an inner liquid inlet pipe penetrates through the main shell inlet cavity, an inner liquid outlet pipe penetrates through the main shell outlet cavity, and the inner cavity liquid inlet pipe, the main shell inlet cavity, the inner plate hole, the main shell outlet cavity and the inner cavity liquid outlet pipe are sequentially communicated; the filter is characterized in that an advancing filter screen between the outer cavity liquid inlet pipe and the front seat plate is arranged in the advancing shell cavity, an advancing filter screen between the outer cavity liquid outlet pipe and the front seat plate is arranged in the advancing shell cavity, the aperture of an advancing filter screen pore is consistent with that of an advancing filter screen pore, and the aperture of the advancing filter screen pore is 2-5 times that of the liquid inlet filter screen pore.
Preferably, the axial line of the shell pipe is horizontally arranged, the front inner partition plate is vertically arranged, the bottom of the front shell head is provided with an advancing cleaning door, the advancing filter screen is positioned between the advancing cleaning door and the front seat plate, the bottom of the front shell head is provided with a front outlet cleaning door, and the front outlet filter screen is positioned between the front outlet cleaning door and the front seat plate.
Preferably, a transverse filter screen is arranged in the cleaning liquid tank, the communication position of the cleaning liquid inlet pipe and the cleaning liquid tank is positioned below the transverse filter screen, the liquid outlet end of the inner cavity liquid outlet pipe is positioned above the transverse filter screen, and the aperture of the filter hole of the transverse filter screen is 0.5 to 1 time of that of the filter hole of the liquid inlet filter screen.
Preferably, a plurality of inner baffle plates which are sequentially arranged along the axial direction of the shell tube are arranged in the main shell inlet cavity, a plurality of inner baffle plates which are sequentially arranged along the axial direction of the shell tube are arranged in the main shell outlet cavity, and a flowing space is formed between any inner baffle plate and the inner wall of the shell tube.
Preferably, the device also comprises a rear fixed plate, an auxiliary inlet dredging structure, an auxiliary outlet dredging structure and a main turntable, wherein the rear fixed plate is fixed in the rear shell head;
the dredging structure comprises a dredging shaft, a dredging disc arranged at one end of the dredging shaft, a plurality of dredging inhaul cables, a plurality of dredging inner guide rods which are in one-to-one correspondence with the dredging inhaul cables, the dredging shaft is in rotary seal fit with the front shell head, a net inlet ring is arranged on the advancing filter screen, the dredging shaft passes through the net inlet ring and is in rotary seal fit with the net inlet ring, the dredging inner guide rods pass through the rear fixed plate and are in sliding fit with the rear fixed plate, the dredging inhaul cables are in one-to-one correspondence with the inner liquid inlet pipes, the dredging inhaul cables pass through the corresponding inner liquid inlet pipes, one end of the dredging inhaul cables is connected with the dredging disc, dredging rear springs are arranged on the dredging inner guide rods, one end of the dredging inner guide rods is connected with the other end of the dredging inhaul cables, the other end of the inner guide rods is connected with one end of the rear dredging springs, the dredging plate, the front seat plate, the rear fixed plate and any dredging rear spring are sequentially arranged along the axial direction of the shell pipe;
the auxiliary dredging structure comprises a dredging outlet shaft, a dredging outlet disc arranged at one end of the dredging outlet shaft, a plurality of dredging outlet cables, and a plurality of dredging outlet inner guide rods which are in one-to-one correspondence with the dredging outlet cables, the dredging outlet shaft is in rotary seal fit with the front shell head, a net outlet ring is arranged on the front filter screen, the dredging outlet shaft penetrates through the net outlet ring and is in rotary seal fit with the net outlet ring, the dredging outlet inner guide rods penetrate through the rear fixed plate and are in sliding fit with the rear fixed plate, the dredging outlet cables are in one-to-one correspondence with the inner liquid outlet pipes, the dredging outlet cables penetrate through the corresponding inner liquid outlet pipes, one end of the dredging outlet cable is connected with the dredging outlet disc, a dredging outlet inner guide rod is provided with a dredging outlet back spring, one end of the dredging outlet inner guide rod is connected with the other end of the dredging outlet cable, the other end of the dredging outlet inner guide rod is connected, the dredging outlet disc, the front seat plate, the rear fixed plate and any dredging outlet rear spring are sequentially arranged along the axial direction of the shell pipe;
the outer gear is coaxially arranged on the main turntable, the inlet gear located outside the main shell is coaxially arranged on the inlet dredging shaft, the outlet gear located outside the main shell is coaxially arranged on the outlet dredging shaft, the inlet gear is meshed with the outer gear, the outlet gear is meshed with the outer gear, the axis of the inlet gear, the axis of the outlet gear and the axis of the outer gear are arranged in parallel, and when the outer gear rotates, the rotating directions of the inlet gear and the outlet gear are opposite.
Preferably, the dredging plate is arranged on the dredging shaft through a floating structure, the floating structure comprises a dredging slide rod fixed on the dredging shaft, a dredging groove arranged on the dredging plate and allowing one end of the dredging shaft to enter, a dredging guide hole arranged on the dredging plate and communicated with the dredging groove, and a dredging front spring sleeved on the dredging slide rod, the dredging slide rod is in sliding fit with the dredging guide hole, the dredging slide rod can slide in a direction parallel to the axis of the dredging shaft, one end of the dredging front spring is connected with the dredging shaft, the other end of the dredging front spring is connected with the dredging plate, a plurality of ball inlet surface bulges are arranged on the dredging plate, a round head ejector rod used for jacking the spherical bulges is arranged on the front seat plate, the ball inlet surface bulges are arranged between the dredging plate and the front seat plate, and the round head ejector rod is arranged between the dredging plate and the front seat plate; the leading-out floating structure comprises a leading-out thinning slide rod fixed on the leading-out thinning shaft, a leading-out thinning groove arranged on the leading-out thinning plate and allowing one end of the thinning shaft to enter, a leading-out thinning guide hole arranged on the leading-out thinning plate and communicated with the leading-out thinning groove, and a leading-out thinning spring sleeved on the leading-out thinning slide rod.
Preferably, the liquid pump is a cleaning turbine pump, a belt pulley structure is arranged on the cleaning turbine pump, the belt pulley structure comprises a driving wheel, a driven wheel and a transmission belt bypassing the driving wheel and the driven wheel, the driving wheel is coaxially connected with a rotating shaft of the cleaning turbine pump, the cleaning driving mechanism further comprises a cleaning driving mechanism, the cleaning driving mechanism comprises a first connecting rod, a second connecting rod, a guide seat, a cleaning gear coaxially connected with a main rotating disc, a cleaning rack meshed with the cleaning gear and a driving disc coaxially connected with the driven wheel, an eccentric shaft rotatably connected with the driving disc is arranged on the driving disc, the axis of the eccentric shaft is separated from the axis of the driving disc, one end of the first connecting rod is rotatably connected with the eccentric shaft, the other end of the first connecting rod is rotatably connected with one end of the second connecting rod, the other end.
The invention has the beneficial effects that: the device can exchange heat with liquid, has a function of cleaning a fluid pipe, can clean a passage which is easy to block the pipe regularly, and has high utilization rate of cleaning liquid and good impurity separation effect during cleaning; when utilizing the washing liquid to wash the easy stifled fluid pipe, the liquid pump drive washing liquid circulation, and driven by the way inside auxiliary structure and carried out washing, clearance of imitateing by force, clean effect is better.
Drawings
FIG. 1 is a schematic structural view of example 1;
FIG. 2 is an enlarged view at A in FIG. 1;
FIG. 3 is an enlarged view at B in FIG. 1;
FIG. 4 is an enlarged view at C of FIG. 1;
FIG. 5 is an enlarged view at D of FIG. 1;
FIG. 6 is an enlarged view at E in FIG. 1
FIG. 7 is a schematic structural view of embodiment 2;
FIG. 8 is an enlarged view at F of FIG. 7;
FIG. 9 is an enlarged view at G of FIG. 7;
FIG. 10 is a schematic structural view of embodiment 3;
FIG. 11 is an enlarged partial view of FIG. 10;
FIG. 12 is a partial structural view of embodiment 4;
FIG. 13 is an enlarged view at H in FIG. 12;
fig. 14 is an enlarged view at I in fig. 12.
Reference numerals: the main shell body 1, a front shell head 11, an outer cavity liquid inlet pipe 11a, an outer cavity liquid outlet pipe 11b, a front inner baffle plate 111, a front shell cavity 111a, a front shell outlet cavity 111b, a shell pipe 12, an inner cavity liquid inlet pipe 12a, an inner cavity liquid outlet pipe 12b, a main inner baffle plate 121, an inner plate hole 121a, a rear shell head 13, a rear fixed plate 131, a front seat plate 141, a rear seat plate 142, an inner liquid inlet pipe 151, an inner liquid outlet pipe 152, a front filter screen 161, a net inlet ring 161a, a front filter screen 162, a net outlet ring 162a, a front baffle cleaning door 171, a front outlet cleaning door 172, an inner baffle plate 18, a cleaning liquid tank 2, a main rotary disk 3, an outer gear 31, a gear inlet 311, a gear outlet 312, a dredging shaft 41, a dredging inlet disk 42, a dredging inlet hole 42a, a dredging cable 43, a dredging inner dredging inlet guide rod 44, a dredging rear dredging spring 441, a dredging inlet groove 45a, a dredging slide rod 451, a dredging inlet spring 452, a ball inlet dredging surface 453, a bulge, a ball inlet surface 453, The dredging outlet hole 52a, the dredging outlet cable 53, the dredging outlet inner guide rod 54, the dredging outlet rear spring 541, the dredging outlet groove 55a, the dredging outlet sliding rod 551, the dredging outlet front spring 552, the spherical outlet bulge 553, the round head ejector rod 554, the cleaning turbo pump 6, the driven wheel 61, the transmission belt 62, the first connecting rod 631, the second connecting rod 632, the guide seat 633, the cleaning gear 634, the cleaning rack 635, the driving disk 64, the eccentric shaft 641, the guide first seat 71, the guide second seat 72, the first transmission rod 73, the long end shaft 731, the second transmission rod 74, the short end shaft 741, the transmission lever 75, the transmission fulcrum shaft 75a, the long end strip-shaped hole 75b, the short end strip-shaped hole 75c, the cleaning gear 761 and the cleaning rack 762.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
Example 1: as shown in figures 1 to 6 of the drawings,
a heat exchanger comprises a main shell 1, a cleaning liquid tank 2 and a liquid pump; the main shell comprises a front shell head 11, a shell tube 12 and a rear shell head 13 which are connected in sequence, a front seat plate 141, a rear seat plate 142, a plurality of inner liquid inlet tubes 151 and a plurality of inner liquid outlet tubes 152 are arranged in the main shell, an inner liquid inlet tube 12a and an inner liquid outlet tube 12b are arranged on the shell tube, an outer liquid inlet tube 11a and an outer liquid outlet tube 11b are arranged on the front shell head, the front seat plate and the front shell head jointly enclose a front shell cavity, the front seat plate, the rear seat plate and the shell tube jointly enclose an in-shell main cavity, the rear seat plate and the rear shell head jointly enclose a rear shell cavity, the inner liquid inlet tube passes through the front seat plate and the rear seat plate, the inner liquid outlet tube passes through the front seat plate and the rear seat plate, a front inner partition plate 111 is arranged in the front shell cavity, the front shell cavity is divided into an advancing shell cavity 111a and a front shell cavity 111b by the front partition plate, one end of the inner liquid inlet tube is arranged in the, the other end of the inner liquid outlet pipe is arranged in the back shell cavity; the liquid inlet end of the liquid pump is communicated with the cleaning liquid tank through a cleaning liquid inlet pipe, the liquid inlet end of the liquid pump is provided with a liquid inlet filter screen, and the liquid outlet end of the liquid pump is provided with a cleaning liquid supply pipe which can be in butt joint with the outer cavity liquid inlet pipe; a main inner baffle 121 is arranged in a main cavity in the shell, an inner plate hole 121a is formed in the main inner baffle, the main inner baffle divides the main cavity in the shell into a main shell inlet cavity and a main shell outlet cavity, an inner liquid inlet pipe penetrates through the main shell inlet cavity, an inner liquid outlet pipe penetrates through the main shell outlet cavity, and the inner liquid inlet pipe, the main shell inlet cavity, the inner plate hole, the main shell outlet cavity and the inner liquid outlet pipe are sequentially communicated; the inside of the advancing shell cavity is provided with an advancing filter screen 161 positioned between the outer cavity liquid inlet pipe and the front seat plate, the inside of the advancing shell cavity is provided with an advancing filter screen 162 positioned between the outer cavity liquid outlet pipe and the front seat plate, the aperture of the advancing filter screen filtering hole is consistent with the aperture of the advancing filter screen filtering hole, and the aperture of the advancing filter screen filtering hole is 2-5 times of the aperture of the liquid inlet filter screen filtering hole.
During heat exchange, one liquid (named as A liquid) enters from the inner cavity liquid inlet pipe, flows through the main shell inlet cavity, the inner plate hole and the main shell outlet cavity and then flows out from the inner cavity liquid outlet pipe, the other liquid (named as B liquid) enters from the outer cavity liquid inlet pipe, flows through the front shell inlet cavity, the inner liquid inlet pipe, the rear shell cavity, the inner liquid outlet pipe and the front shell outlet cavity and then flows out from the outer cavity liquid outlet pipe. The inner liquid inlet pipe and the inner liquid outlet pipe can conduct heat, so that liquid B in the inner liquid inlet pipe and the inner liquid outlet pipe can exchange heat with liquid A in the main cavity in the shell. The filter screen that gos forward can filter the bulky impurity in the B liquid, avoids stifled pipe, and in some times, in order to make things convenient for the use, outer chamber feed liquor pipe and outer chamber drain pipe can the function be exchanged, and at this moment, the filter screen that gos forward can play the effect of the filter screen that originally gos forward.
When the fluid pipe (the inner liquid inlet pipe and the inner liquid outlet pipe in the invention) needs to be cleaned and cleaned, the cleaning liquid supply pipe is butted with the outer cavity liquid inlet pipe, the liquid pump is started, and the cleaning liquid is pumped from the cleaning liquid inlet pipe, so that the cleaning liquid flows through the outer cavity liquid inlet pipe, enters the shell cavity, the inner liquid inlet pipe, the rear shell cavity, the inner liquid outlet pipe, the front shell cavity and the outer cavity liquid outlet pipe and then flows back to the cleaning liquid tank. The cleaning liquid can bring the cleaned and cleaned impurities into the cleaning liquid tank, and the cleaned and cleaned impurities cannot be pumped into the outer cavity liquid inlet pipe by the liquid pump again due to the existence of the liquid inlet filter screen, so that the cleaning liquid can be continuously recycled within a period of time.
The axial line of the shell and tube is horizontally arranged, the front inner partition plate is vertically arranged, the bottom of the front shell head is provided with an advancing cleaning door 171, an advancing filter screen is positioned between the advancing cleaning door and the front seat plate, the bottom of the front shell head is provided with a front outlet cleaning door 172, and the front outlet filter screen is positioned between the front outlet cleaning door and the front seat plate. After the heat exchange is finished, the forward cleaning door and the forward discharging cleaning door can be opened to clean impurities remained at the bottom of the front shell head.
The cleaning liquid tank is internally provided with a diaphragm filter screen, the communicating position of the cleaning liquid tank and the cleaning liquid inlet pipe is positioned below the diaphragm filter screen, the liquid outlet end of the inner cavity liquid outlet pipe is positioned above the diaphragm filter screen, and the aperture of the filter hole of the diaphragm filter screen is 0.5 to 1 time of that of the filter hole of the liquid inlet filter screen. The aperture of the transverse separation filter screen is smaller, so that small impurities which are cleaned and cleared can be further prevented from entering the outer cavity liquid inlet pipe along with the cleaning liquid.
The main shell inlet cavity is internally provided with a plurality of inner baffle plates 18 which are sequentially arranged along the axial direction of the shell tube, the main shell outlet cavity is internally provided with a plurality of inner baffle plates which are sequentially arranged along the axial direction of the shell tube, and a flowing space is arranged between any inner baffle plate and the inner wall of the shell tube. The internal baffle plate can guide the flow direction of the liquid A in the main cavity in the shell, so that the time for the liquid A to flow through the main cavity in the shell is prolonged, and the heat exchange effect is improved.
The device also comprises a rear fixed plate 131, an inlet auxiliary dredging structure, an outlet auxiliary dredging structure and a main turntable 3, wherein the rear fixed plate is fixed in the rear shell head;
the dredging structure comprises a dredging shaft 41, a dredging plate 42 arranged at one end of the dredging shaft, a plurality of dredging pull cables 43 and a plurality of dredging inner guide rods 44 which are in one-to-one correspondence with the dredging pull cables, the dredging inlet shaft is in rotary seal fit with the front shell head, the net inlet ring 161a is arranged on the advancing filter screen, the dredging inlet shaft penetrates through the net inlet ring and is in rotary seal fit with the net inlet ring, the dredging inlet inner guide rod penetrates through the rear fixed plate and is in sliding fit with the rear fixed plate, the dredging inlet pull cables correspond to the inner liquid inlet pipes one to one, the dredging inlet pull cables penetrate through the corresponding inner liquid inlet pipes, one end of each dredging inlet pull cable is connected with the dredging inlet disc, the dredging inlet inner guide rod is provided with a dredging inlet rear spring 441, one end of each dredging inlet inner guide rod is connected with the other end of each dredging inlet pull cable, the other end of each dredging inlet inner guide rod is connected with one end of each dredging inlet rear spring, the other end of each dredging inlet rear spring is connected with the rear shell head, and the advancing filter screen, the dredging inlet disc, the front seat;
the auxiliary dredging structure comprises a dredging shaft 51, a dredging disc 52 arranged at one end of the dredging shaft, a plurality of dredging pull cables 53 and dredging inner guide rods 54 which are in one-to-one correspondence with the dredging pull cables, the dredging shaft is in rotary sealing fit with the front shell head, the front filter screen is provided with a screen outlet ring 162a, the dredging shaft penetrates through the screen outlet ring and is in rotary sealing fit with the screen outlet ring, the dredging inner guide rod penetrates through the rear fixed plate and is in sliding fit with the rear fixed plate, the dredging pull cables correspond to the inner liquid outlet pipes one to one, the dredging pull cables penetrate through the corresponding inner liquid outlet pipes, one end of each dredging pull cable is connected with the dredging disc, the dredging inner guide rod is provided with a dredging rear spring 541, one end of each dredging inner guide rod is connected with the other end of each dredging pull cable, the other end of each dredging inner guide rod is connected with one end of each dredging rear spring, the other end of each dredging rear spring is connected with the rear shell head, and the front filter screen, the dredging disc, the front seat plate, the rear fixed plate and any dredging rear spring;
the outer gear 31 is coaxially arranged on the main turntable, the inlet gear 311 positioned outside the main shell is coaxially arranged on the inlet dredging shaft, the outlet gear 312 positioned outside the main shell is coaxially arranged on the outlet dredging shaft, the inlet gear is meshed with the outer gear, the outlet gear is meshed with the outer gear, the axis of the inlet gear, the axis of the outlet gear and the axis of the outer gear are arranged in parallel, and when the outer gear rotates, the rotating directions of the inlet gear and the outlet gear are opposite.
When the inner liquid inlet pipe and the inner liquid outlet pipe are cleaned and cleaned, the main rotary disc can be driven to rotate in a reciprocating mode (the reciprocating angle can be set according to the requirement, such as 5-15 degrees). Thereby driving the gear inlet and the gear outlet to rotate in a reciprocating way, namely driving the dredging shaft inlet, the dredging disc inlet, the dredging shaft outlet and the dredging disc outlet to rotate in a reciprocating way. When the dredging shaft rotates, the dredging inhaul cable can be pulled and twisted (the dredging inner guide rod can slide adaptively, and the dredging rear spring can stretch adaptively), so that the inner wall of the inner cavity liquid inlet pipe can be scraped and cleaned, and when the dredging shaft rotates, the dredging inhaul cable can be pulled and twisted (the dredging inner guide rod can slide adaptively, and the dredging rear spring can stretch adaptively), so that the inner wall of the inner cavity liquid outlet pipe can be scraped and cleaned.
Example 2: based on embodiment 1, as shown in fig. 7 to 9,
the dredging plate is arranged on the dredging shaft through the floating structure, the floating structure comprises a dredging slide bar 451 fixed on the dredging shaft, a dredging groove 45a arranged on the dredging plate and allowing one end of the dredging shaft to enter, a dredging guide hole 42a arranged on the dredging plate and communicated with the dredging groove, and a dredging front spring 452 sleeved on the dredging slide bar, the dredging slide bar is in sliding fit with the dredging guide hole, the dredging slide bar can slide parallel to the axis of the dredging shaft, one end of the dredging front spring is connected with the dredging shaft, the other end of the dredging front spring is connected with the dredging plate, a plurality of ball inlet surface bulges 453 are arranged on the dredging plate, a round head ejector rod 454 used for ejecting the spherical bulges is arranged on the front seat plate, the ball inlet surface bulges are arranged between the dredging plate and the front seat plate, and the round head ejector rod is arranged between the dredging plate and the front seat plate; the dredging outlet disc is arranged on the dredging outlet shaft through a floating outlet structure, the floating outlet structure comprises a dredging outlet slide rod 551 fixed on the dredging outlet shaft, a dredging outlet groove 55a arranged on the dredging outlet disc and allowing one end of the dredging outlet shaft to enter, a dredging outlet hole 52a arranged on the dredging outlet disc and communicated with the dredging outlet groove, and a dredging outlet front spring 552 sleeved on the dredging outlet slide rod, the dredging outlet slide rod is in sliding fit with the dredging outlet guide hole, the direction of the sliding of the dredging outlet slide rod is parallel to the axis of the dredging outlet shaft, one end of the dredging outlet front spring is connected with the dredging outlet shaft, the other end of the dredging outlet front spring is connected with the dredging outlet disc, a plurality of spherical protrusions 553 are arranged on the dredging outlet disc, a round head ejector rod 554 used for ejecting the spherical protrusions is arranged on the front seat plate, the spherical protrusions are arranged between the dredging outlet disc and the front seat plate, and the round head ejector rod is arranged between the dredging outlet disc and the front.
A sliding gap is formed between the dredging inlet slide rod and the hole bottom of the dredging inlet hole, and a sliding gap is formed between the dredging outlet slide rod and the hole bottom of the dredging outlet hole.
All the inner liquid inlet pipes are uniformly distributed along the circumferential direction of the dredging shaft, and all the inner liquid outlet pipes are uniformly distributed along the circumferential direction of the dredging shaft.
When the dredging plate rotates in a reciprocating manner, the ball inlet surface bulge can contact the round head ejector rod, so that the dredging plate can move towards the direction far away from the front seat plate, the dredging inhaul cable is further pulled to move, and the scraping and cleaning effects can be further improved by matching with the torsion of the dredging inhaul cable; when going out dredge dish reciprocating rotation, go out the sphere arch and can contact out the button head ejector pin to go out dredge dish and can remove towards the direction of keeping away from the bedplate before, further stimulate out the mediation cable and remove, the torsion of dredging cable is gone out in the deuterogamy, can further promote scraping, clean effect. When the inlet spherical surface is raised and separated from the inlet round head ejector rod, the inlet dredging disc can be reset under the action of the spring before the dredging is carried out, so that the inlet dredging cable can be continuously and reciprocally pulled, and similarly, the outlet dredging cable also can be continuously and reciprocally pulled, and the amplitude of reciprocating pulling is stronger than the pulling effect brought by the rotation of the inlet dredging disc and the outlet dredging disc, so that the played auxiliary cleaning effect and the cleaning effect are better.
Example 3: based on embodiment 1 or 2, as shown in fig. 10 to 11,
the liquid pump is a cleaning turbine pump 6, a belt pulley structure is arranged on the cleaning turbine pump, the belt pulley structure comprises a driving wheel, a driven wheel 61 and a transmission belt 62 bypassing the driving wheel and the driven wheel, the driving wheel is coaxially connected with a rotating shaft of the cleaning turbine pump, the cleaning driving mechanism further comprises a cleaning driving mechanism, the cleaning driving mechanism comprises a first connecting rod 631, a second connecting rod 632, a guide seat 633, a cleaning gear 634 coaxially connected with a main rotating disc, a cleaning rack 635 meshed with the cleaning gear and a driving disk 64 coaxially connected with the driven wheel, an eccentric shaft 641 rotatably connected with the driving disk is arranged on the driving disk, the axis of the eccentric shaft is separated from the axis of the driving disk, one end of the first connecting rod is rotatably connected with the eccentric shaft, the other end of the first connecting rod is rotatably connected with one end of a second connecting rod, the other.
When the cleaning turbine pump works, the cleaning driving mechanism can be driven to work, the driving disc rotates, the first connecting rod drives the second connecting rod to do reciprocating motion, and the second connecting rod drives the cleaning gear and the main rotary table to do reciprocating rotation through the cleaning rack.
Example 4: based on embodiment 1 or 2, as shown in fig. 12 to 14,
the liquid pump is a cleaning piston pump, the cleaning piston pump comprises a piston rod and further comprises a cleaning driving mechanism, the cleaning driving mechanism comprises a first guide seat 71, a second guide seat 72, a first transmission rod 73, a second transmission rod 74, a transmission lever 75, a cleaning gear 761 coaxially connected with the main rotary table and a cleaning rack 762 meshed with the cleaning gear, the first transmission rod is slidably connected with the first guide seat, a long end shaft 731 is arranged on the first transmission rod, the second transmission rod is slidably connected with the second guide seat, a short end shaft 741 is arranged on the second transmission rod, the transmission lever comprises a transmission lever arm and a transmission fulcrum seat fixed with the outer frame, a transmission fulcrum shaft 75a is arranged on the transmission fulcrum seat, the transmission lever arm is rotatably connected with the transmission fulcrum shaft, a long end strip-shaped hole 75b and a short end strip-shaped hole 75c are arranged on the transmission lever arm, the distance between the transmission fulcrum shaft and the long end strip-shaped hole is 2-6 times the distance between the transmission fulcrum shaft and the short end strip-shaped hole, the long end shaft penetrates through the long arm strip-shaped hole and is in sliding fit with the long end strip-shaped hole, the slidable direction of the long end shaft is parallel to the transmission lever arm, the short end shaft penetrates through the short end strip-shaped hole and is in sliding fit with the short end strip-shaped hole, the slidable direction of the short end shaft is parallel to the transmission lever arm, and the second transmission rod is connected with the cleaning rack.
When the cleaning piston pump works, the cleaning driving mechanism can be driven to work, the first transmission rod drives the second transmission rod to reciprocate through the transmission lever, and the second transmission rod drives the cleaning gear and the main rotary table to rotate in a reciprocating mode through the cleaning rack. The stroke of the cleaning piston pump is relatively large, the purpose of driving through the transmission lever is not only labor-saving (energy saving), but also can reduce the motion amplitude of the cleaning rack (the motion amplitude of the cleaning rack is obviously smaller than that of a piston rod of the cleaning piston pump), thereby avoiding the overlarge reciprocating rotation angle of the cleaning gear (if the rotation angle is overlarge, the cleaning gear is easy to damage and break due to the excessive torsion of the cleaning gear, and the whole structure is more reasonable.
Claims (4)
1. A heat exchanger is characterized by comprising a main shell, a cleaning liquid tank and a liquid pump; the main shell comprises a front shell head, a shell pipe and a rear shell head which are connected in sequence, a front seat plate, a rear seat plate, a plurality of inner liquid inlet pipes and a plurality of inner liquid outlet pipes are arranged in the main shell, an inner cavity liquid inlet pipe and an inner cavity liquid outlet pipe are arranged on the shell pipe, an outer cavity liquid inlet pipe and an outer cavity liquid outlet pipe are arranged on the front shell head, the front seat plate and the front shell head jointly enclose a front shell cavity, the front seat plate, the rear seat plate and the shell pipe jointly enclose a shell inner main cavity, the rear seat plate and the rear shell head jointly enclose a rear shell cavity, the inner liquid inlet pipe penetrates through the front seat plate and the rear seat plate, the inner liquid outlet pipe penetrates through the front seat plate and the rear seat plate, a front inner partition plate is arranged in the front shell cavity, the front shell cavity is divided into a front shell cavity and a front shell outlet cavity by the front partition plate, one end of the inner liquid inlet pipe is arranged in the front shell cavity, the; the liquid inlet end of the liquid pump is communicated with the cleaning liquid tank through a cleaning liquid inlet pipe, the liquid inlet end of the liquid pump is provided with a liquid inlet filter screen, and the liquid outlet end of the liquid pump is provided with a cleaning liquid supply pipe which can be in butt joint with the outer cavity liquid inlet pipe; a main inner baffle is arranged in a main cavity in the shell, an inner plate hole is formed in the main inner baffle, the main inner baffle divides the main cavity in the shell into a main shell inlet cavity and a main shell outlet cavity, an inner liquid inlet pipe penetrates through the main shell inlet cavity, an inner liquid outlet pipe penetrates through the main shell outlet cavity, and the inner cavity liquid inlet pipe, the main shell inlet cavity, the inner plate hole, the main shell outlet cavity and the inner cavity liquid outlet pipe are sequentially communicated; the forward filter screen between the outer cavity liquid inlet pipe and the front seat plate is arranged in the forward shell cavity, the forward filter screen between the outer cavity liquid outlet pipe and the front seat plate is arranged in the forward shell cavity, the aperture of a forward filter screen filtering hole is consistent with the aperture of a forward filter screen filtering hole, and the aperture of the forward filter screen filtering hole is 2-5 times of the aperture of the liquid inlet filter screen filtering hole;
the rear fixed plate is fixed in the rear shell head;
the dredging structure comprises a dredging shaft, a dredging disc arranged at one end of the dredging shaft, a plurality of dredging inhaul cables, a plurality of dredging inner guide rods which are in one-to-one correspondence with the dredging inhaul cables, the dredging shaft is in rotary seal fit with the front shell head, a net inlet ring is arranged on the advancing filter screen, the dredging shaft passes through the net inlet ring and is in rotary seal fit with the net inlet ring, the dredging inner guide rods pass through the rear fixed plate and are in sliding fit with the rear fixed plate, the dredging inhaul cables are in one-to-one correspondence with the inner liquid inlet pipes, the dredging inhaul cables pass through the corresponding inner liquid inlet pipes, one end of the dredging inhaul cables is connected with the dredging disc, dredging rear springs are arranged on the dredging inner guide rods, one end of the dredging inner guide rods is connected with the other end of the dredging inhaul cables, the other end of the inner guide rods is connected with one end of the rear dredging springs, the dredging plate, the front seat plate, the rear fixed plate and any dredging rear spring are sequentially arranged along the axial direction of the shell pipe;
the auxiliary dredging structure comprises a dredging outlet shaft, a dredging outlet disc arranged at one end of the dredging outlet shaft, a plurality of dredging outlet cables, and a plurality of dredging outlet inner guide rods which are in one-to-one correspondence with the dredging outlet cables, the dredging outlet shaft is in rotary seal fit with the front shell head, a net outlet ring is arranged on the front filter screen, the dredging outlet shaft penetrates through the net outlet ring and is in rotary seal fit with the net outlet ring, the dredging outlet inner guide rods penetrate through the rear fixed plate and are in sliding fit with the rear fixed plate, the dredging outlet cables are in one-to-one correspondence with the inner liquid outlet pipes, the dredging outlet cables penetrate through the corresponding inner liquid outlet pipes, one end of the dredging outlet cable is connected with the dredging outlet disc, a dredging outlet inner guide rod is provided with a dredging outlet back spring, one end of the dredging outlet inner guide rod is connected with the other end of the dredging outlet cable, the other end of the dredging outlet inner guide rod is connected, the dredging outlet disc, the front seat plate, the rear fixed plate and any dredging outlet rear spring are sequentially arranged along the axial direction of the shell pipe;
the outer gear is coaxially arranged on the main turntable, the inlet gear positioned outside the main shell is coaxially arranged on the inlet dredging shaft, the outlet gear positioned outside the main shell is coaxially arranged on the outlet dredging shaft, the inlet gear is meshed with the outer gear, the outlet gear is meshed with the outer gear, the axis of the inlet gear, the axis of the outlet gear and the axis of the outer gear are arranged in parallel, and when the outer gear rotates, the rotating directions of the inlet gear and the outlet gear are opposite;
the dredging plate is arranged on the dredging shaft through the floating structure, the floating structure comprises a dredging slide rod fixed on the dredging shaft, a dredging groove arranged on the dredging plate and allowing one end of the dredging shaft to enter, a dredging guide hole arranged on the dredging plate and communicated with the dredging groove, and a dredging front spring sleeved on the dredging slide rod, the dredging slide rod is in sliding fit with the dredging guide hole, the dredging slide rod can slide parallel to the axis of the dredging shaft, one end of the dredging front spring is connected with the dredging shaft, the other end of the dredging front spring is connected with the dredging plate, a plurality of ball inlet surface bulges are arranged on the dredging plate, a round head ejector rod used for ejecting the spherical bulges is arranged on the front seat plate, the ball inlet surface bulges are arranged between the dredging plate and the front seat plate, and the round head ejector rod is arranged between the dredging plate and the front seat plate; the dredging outlet disc is arranged on the dredging outlet shaft through a floating outlet structure, the floating outlet structure comprises a dredging outlet slide rod fixed on the dredging outlet shaft, a dredging outlet groove arranged on the dredging outlet disc and allowing one end of the dredging outlet shaft to enter, a dredging outlet hole arranged on the dredging outlet disc and communicated with the dredging outlet groove, and a dredging outlet front spring sleeved on the dredging outlet slide rod, the dredging outlet slide rod is in sliding fit with the dredging outlet guide hole, the direction in which the dredging outlet slide rod can slide is parallel to the axis of the dredging outlet shaft, one end of the dredging outlet front spring is connected with the dredging outlet shaft, the other end of the dredging outlet front spring is connected with the dredging outlet disc, a plurality of spherical protrusions are arranged on the dredging outlet disc, a round head ejector rod used for ejecting the spherical protrusions is arranged on the front seat plate, the spherical protrusions are arranged between the dredging outlet disc and the front seat plate, and the round head ejector rod is arranged between the dredging outlet disc and the front;
the liquid pump is a cleaning piston pump, the cleaning piston pump comprises a piston rod and a cleaning driving mechanism, the cleaning driving mechanism comprises a guide first seat, a guide second seat, a first transmission rod, a second transmission rod, a transmission lever, a cleaning gear coaxially connected with a main rotary table and a cleaning rack meshed with the cleaning gear, the first transmission rod is in sliding connection with the guide first seat, a long end shaft is arranged on the first transmission rod, the second transmission rod is in sliding connection with the guide second seat, a short end shaft is arranged on the second transmission rod, the transmission lever comprises a transmission lever arm and a transmission fulcrum seat fixed with an outer frame, a transmission fulcrum shaft is arranged on the transmission fulcrum seat, the transmission lever arm is in rotating connection with the transmission fulcrum shaft, a long end strip-shaped hole and a short end strip-shaped hole are arranged on the transmission lever arm, the distance between the transmission fulcrum shaft and the long end strip-shaped hole is 2-6 times of the distance between the transmission fulcrum shaft and the short end strip-shaped hole, the long end shaft penetrates through the long arm strip-shaped hole and is in sliding fit with the long end strip-shaped hole, the slidable direction of the long end shaft is parallel to the transmission lever arm, the short end shaft penetrates through the short end strip-shaped hole and is in sliding fit with the short end strip-shaped hole, the slidable direction of the short end shaft is parallel to the transmission lever arm, and the second transmission rod is connected with the cleaning rack.
2. The heat exchanger of claim 1, wherein the shell and tube axis is horizontal, the front inner partition is vertical, the front shell head bottom is provided with a forward cleaning door, the forward screen is positioned between the forward cleaning door and the front seat plate, the front shell head bottom is provided with a front outlet cleaning door, and the front outlet screen is positioned between the front outlet cleaning door and the front seat plate.
3. The heat exchanger of claim 1 wherein a cross-partition screen is disposed in the cleaning fluid tank, the connection between the cleaning fluid inlet pipe and the cleaning fluid tank is located below the cross-partition screen, the fluid outlet end of the inner chamber fluid outlet pipe is located above the cross-partition screen, and the aperture of the filter holes of the cross-partition screen is 0.5 to 1 times that of the filter holes of the inlet screen.
4. A heat exchanger according to claim 1, 2 or 3, wherein a plurality of internal baffle plates are sequentially arranged in the main inlet cavity along the axial direction of the shell tube, a plurality of internal baffle plates are sequentially arranged in the main outlet cavity along the axial direction of the shell tube, and a flow space is provided between any internal baffle plate and the inner wall of the shell tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010221451.3A CN111256502B (en) | 2018-12-19 | 2018-12-19 | Heat exchanger |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811557621.4A CN109654914B (en) | 2018-12-19 | 2018-12-19 | Heat exchanger |
| CN202010221451.3A CN111256502B (en) | 2018-12-19 | 2018-12-19 | Heat exchanger |
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| CN201811557621.4A Division CN109654914B (en) | 2018-12-19 | 2018-12-19 | Heat exchanger |
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| CN111256502B CN111256502B (en) | 2021-05-25 |
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| CN110095006A (en) * | 2019-05-30 | 2019-08-06 | 付国永 | A kind of energy-saving cold thermal balance heat-exchange device |
| CN110595235B (en) * | 2019-10-08 | 2020-04-14 | 陈庆高 | Efficient heat exchanger device |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109654914B (en) | 2020-05-22 |
| CN109654914A (en) | 2019-04-19 |
| CN111256502B (en) | 2021-05-25 |
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Effective date of registration: 20210506 Address after: 215000 no.1688, Ruyuan Road, Yuanhe street, Xiangcheng District, Suzhou City, Jiangsu Province Applicant after: EBS fluid equipment (Suzhou) Co.,Ltd. Address before: 310018 Yi Fu science and technology building 311, 168, Xue Yuan Street, Xiasha, Jianggan District, Hangzhou, Zhejiang. Applicant before: HANGZHOU XINZHUO SCIENCE & TECHNOLOGY Co.,Ltd. |
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