CN215766619U - Novel boiler steam preheater - Google Patents
Novel boiler steam preheater Download PDFInfo
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- CN215766619U CN215766619U CN202122205722.9U CN202122205722U CN215766619U CN 215766619 U CN215766619 U CN 215766619U CN 202122205722 U CN202122205722 U CN 202122205722U CN 215766619 U CN215766619 U CN 215766619U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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Abstract
The utility model discloses a novel boiler steam preheater which comprises a preheater body, wherein the preheater body comprises a shell, two ends of the shell are of blocking structures, the left end of the shell are communicated and fixed with an air inlet pipe, the left end of the air inlet pipe is fixedly connected with a dustproof net, the right end of the shell is communicated and fixed with an air outlet pipe, one ends, close to each other, of the air inlet pipe and the air outlet pipe are both of the blocking structures, a snake-shaped heat exchange pipe is arranged in the shell, two ends of the snake-shaped heat exchange pipe are respectively communicated and fixed with the bottom of the air inlet pipe and the bottom of the air outlet pipe, and the left side of the top of the shell is communicated and fixed with a flue gas inlet pipe. The utility model is convenient for filtering impurities in the entering steam, reduces the amount of particle impurities entering the shell, further reduces the generation of noise, and realizes the cleaning operation of the impurities in the L-shaped filter screen under the condition of no shutdown through the mode of alternative filtering and cleaning, thereby improving the working efficiency and meeting the use requirements.
Description
Technical Field
The utility model relates to the technical field of boiler steam preheaters, in particular to a novel boiler steam preheater.
Background
The steam preheater is a device for preheating air entering the interior of a boiler by utilizing steam in a flue at the tail part of the boiler through a heat exchange structure, can improve the heat exchange performance of the boiler and reduce energy consumption, and is mainly used in a coal-fired boiler;
present boiler steam pre-heater, it has the impurity of being not convenient for in the steam that gets into the casing to carry out filterable shortcoming, because contain a large amount of particle impurity in the steam in the boiler afterbody flue, particle impurity enters into and can produce great noise on colliding the heat exchange tube in the casing, though can set up the filter screen in flue gas import department, reach the purpose to steam filtration, but its existence is not convenient for carry out the shortcoming of clearance to filterable particle impurity when not shutting down, need personnel to shut down the clearance filterable impurity regularly, reduce work efficiency, it is comprehensive to say, it lacks the steam pre-heater that can not shut down clearance impurity when filterable, in order to solve above-mentioned problem, therefore we have provided a novel boiler steam pre-heater.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides a novel boiler steam preheater.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a novel boiler steam preheater comprises a preheater body, wherein the preheater body comprises a shell, two ends of the shell are of a blocking structure, the left end of the shell are communicated and fixed with an air inlet pipe, the left end of the air inlet pipe is fixedly connected with a dust screen, the right end of the shell is communicated and fixed with an air outlet pipe, one end, close to each other, of the air inlet pipe and the air outlet pipe is of a blocking structure, a snake-shaped heat exchange pipe is arranged in the shell, two ends of the snake-shaped heat exchange pipe are respectively communicated and fixed with the bottom of the air inlet pipe and the bottom of the air outlet pipe, the left side of the top of the shell is communicated and fixed with a flue gas inlet pipe, the right side of the top of the shell is communicated and fixed with a flue gas outlet pipe, the left side of the top of the shell is fixedly connected with a clip frame, the bottom of the clip frame is communicated and fixed with the top of the flue gas inlet pipe, a rectangular box with an opening at the top is fixedly sleeved in the clip, and one-way valves are embedded on the inner walls of two sides of the rectangular box, one side that two check valves are close to each other all establishes to the export, the inlet port has been seted up on the bottom inner wall of rectangle box, the inlet port advances the pipe with the flue gas and is linked together, the equal movable contact in both sides of rectangle box has detachable filtering mechanism, two detachable filtering mechanism respectively fixed mounting return the both sides of shape frame, the top fixedly connected with both ends of returning the shape frame are the violently pipe of block structure, the top intercommunication of violently managing is fixed with the intake pipe, two first through-holes have been seted up on the bottom inner wall of violently pipe, two second through-holes have been seted up on returning the top inner wall of shape frame, first through-hole communicates with the second through-hole that corresponds, the rectangular channel has been seted up on the right side of returning the shape frame, rectangular channel and two second through-hole cross intercommunications, sliding sleeve has alternating shutoff mechanism in the rectangular channel, alternating shutoff mechanism's right side extends to the right side of returning the shape frame.
Preferably, detachable filtering mechanism includes L shape filter screen, and two L shape filter screen symmetries set up, and one side that two L shape filter screens are close to each other respectively with the both sides movable contact of rectangle box, and the equal sealed activity cartridge in both sides of returning the shape frame has the baffle, and baffle threaded fixation returns the outside of shape frame, and one side that two L shape filter screens kept away from each other respectively with one side fixed connection that two baffles are close to each other.
Preferably, alternate shutoff mechanism establishes the shutoff board at the rectangular channel including sealed slip cover, the left side of shutoff board clamps with the left side inner wall activity that is located left second through-hole, the third through-hole has been seted up at the top of shutoff board, the third through-hole communicates with first through-hole and the second through-hole that is located the right side, the mounting hole has been seted up on the top right side of shutoff board, rotate between the both sides inner wall of mounting hole and install first screw rod, fixedly connected with is located the fixed block of mounting hole between the top inner wall of rectangular channel and the bottom inner wall, fixed block threaded sleeve establishes on first screw rod, the right side fixedly connected with micro motor of shutoff board, micro motor's output shaft left end and the right-hand member fixed connection of first screw rod.
Preferably, the bottom inner wall of the air inlet pipe and the bottom inner wall of the air outlet pipe are provided with fourth through holes, and the two fourth through holes are respectively communicated with two ends of the snake-shaped heat exchange pipe.
Preferably, elastic pads are fixedly bonded on the inner wall of the top and the inner wall of the bottom of the shell, and one sides of the two elastic pads, which are close to each other, are fixedly connected with the top and the bottom of the snake-shaped heat exchange tube respectively.
Preferably, the two baffles are fixedly connected with sealing rings on one sides close to each other, one sides close to each other of the two sealing rings are respectively in movable contact with two sides of the clip frame, first clamping blocks are fixedly connected with the bottoms of one sides close to each other of the two baffles, first clamping grooves are formed in the bottoms of two sides of the clip frame, the first clamping blocks are clamped with the corresponding first clamping grooves, thread grooves are formed in the tops of two sides of the clip frame, T-shaped screw rods are sleeved in the thread grooves, and the baffle is sleeved on the corresponding T-shaped screw rods in a threaded manner.
Preferably, the left side of the blocking plate is fixedly connected with a second clamping block, a second clamping groove is formed in the left inner wall of the second through hole in the left side, the second clamping block is clamped with the second clamping groove, and the front side and the rear side of the blocking plate are respectively in movable contact with the front inner wall and the rear inner wall of the two second through holes.
Preferably, threaded hole is seted up to one side of fixed block, and threaded hole and first screw rod threaded connection have seted up the rotation groove on the left side inner wall of mounting hole, have seted up the circular port on the right side inner wall of mounting hole, rotate the fixed cover of inslot and be equipped with first bearing, and the circular port internal fixation cover is equipped with the second bearing, the inboard inner circle of first bearing and the inboard outside fixed connection with first screw rod of inner circle of second bearing.
Compared with the prior art, the utility model has the beneficial effects that:
the steam enters the right side of the rectangular box through the air inlet pipe, the transverse pipe, the first through hole on the right side and the second through hole on the right side in sequence, the steam enters the shell through the L-shaped filter screen on the right side, the check valve on the right side, the rectangular box, the air inlet hole and the flue gas inlet pipe in sequence, the air passes through the dustproof net and enters the serpentine heat exchange pipe through the air inlet pipe, the air in the serpentine heat exchange pipe absorbs the heat of the steam in the shell, the heat of the steam is gradually reduced and discharged through the flue gas outlet pipe, the temperature of the air in the serpentine heat exchange tube is gradually increased and the air is discharged through the air outlet tube, so that the purpose of heat exchange is realized;
the right L-shaped filter screen filters particle impurities in steam, when the right L-shaped filter screen needs to be taken out and cleaned, a micro motor is started in a forward direction to drive a first screw rod to rotate and move rightwards, the first screw rod drives a plugging plate to slide rightwards in a rectangular groove through a first bearing and a second bearing to plug a right second through hole and remove the plugging of a left second through hole, at the moment, the steam is changed to enter the left side of the rectangular box from the left second through hole, the steam sequentially passes through the left L-shaped filter screen, a left one-way valve, an air inlet and a flue gas inlet pipe to enter the shell to perform heat exchange operation, at the moment, a right T-shaped screw rod in the forward direction can be moved out from a right threaded groove, a right baffle is pulled rightwards to drive the right L-shaped filter screen to move out of a square frame for cleaning, after the cleaning, the right baffle is pushed leftwards to drive the right L-shaped filter screen to move leftwards to the square frame, the reverse rotation T-shaped screw moves to the thread groove on the right side, so that the baffle on the right side is fixed, when the left L-shaped filter screen is cleaned, the micro motor can be reversely started, the plugging plate is changed into a mode of moving leftwards to plug the left second through hole and remove the plug of the right second through hole, and at the moment, the left L-shaped filter screen can be taken out to be cleaned.
The utility model is convenient for filtering impurities in the entering steam, reduces the amount of particle impurities entering the shell, further reduces the generation of noise, and realizes the cleaning operation of the impurities in the L-shaped filter screen under the condition of no shutdown through the mode of alternative filtering and cleaning, thereby improving the working efficiency and meeting the use requirements.
Drawings
FIG. 1 is a schematic structural diagram of a novel boiler steam preheater according to the present invention;
FIG. 2 is a schematic cross-sectional view of FIG. 1;
FIG. 3 is an enlarged schematic view of portion A of FIG. 2;
fig. 4 is an enlarged structural view of a portion B in fig. 3.
In the figure: 100 shells, 101 air inlet pipes, 102 air outlet pipes, 103 flue gas outlet pipes, 104 serpentine heat exchange pipes, 105 flue gas inlet pipes, 1-turn frames, 2 rectangular boxes, 3L-shaped filter screens, 4 baffles, 5 one-way valves, 6 air inlet holes, 7 second through holes, 8 transverse pipes, 9 first through holes, 10 plugging plates, 11 third through holes, 12 rectangular grooves, 13 mounting holes, 14 first screw rods, 15 fixing blocks, 16 micro motors and 17T-shaped screw rods.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, a novel boiler steam preheater comprises a preheater body, the preheater body comprises a casing 100 with two ends thereof being of a blocking structure, the left end of the casing 100 is communicated and fixed with an air inlet pipe 101, the left end of the air inlet pipe 101 is fixedly connected with a dust screen, the right end of the casing 100 is communicated and fixed with an air outlet pipe 102, one ends of the air inlet pipe 101 and the air outlet pipe 102, which are close to each other, are both of the blocking structure, a serpentine heat exchange pipe 104 is arranged in the casing 100, two ends of the serpentine heat exchange pipe 104 are respectively communicated and fixed with the bottom of the air inlet pipe 101 and the bottom of the air outlet pipe 102, the left side of the top of the casing 100 is communicated and fixed with a flue gas inlet pipe 105, the right side of the top of the casing 100 is communicated and fixed with a flue gas outlet pipe 103, the left side of the top of the casing 100 is fixedly connected with a clip frame 1, the bottom of the clip frame 1 is communicated and fixed with the top end of the flue gas inlet pipe 105, a rectangular box 2 with an opening is fixedly sleeved in the clip frame 1, the inner walls of two sides of the rectangular box 2 are all embedded with check valves 5, one side of the two check valves 5 close to each other is set as an outlet, the inner wall of the bottom of the rectangular box 2 is provided with an air inlet 6, the air inlet 6 is communicated with a flue gas inlet pipe 105, two sides of the rectangular box 2 are both movably contacted with detachable filtering mechanisms, the two detachable filtering mechanisms are respectively and fixedly arranged on two sides of the clip frame 1, the top of the clip frame 1 is fixedly connected with a transverse pipe 8 with two ends both of which are of plugging structures, the top of the transverse pipe 8 is communicated and fixed with an air inlet pipe, the inner wall of the bottom of the transverse pipe 8 is provided with two first through holes 9, the inner wall of the top of the clip frame 1 is provided with two second through holes 7, the first through holes 9 are communicated with the corresponding second through holes 7, the right side of the clip frame 1 is provided with a rectangular groove 12, the rectangular groove 12 is communicated with the two second through holes 7 in a crossed manner, and an alternative plugging mechanism is sleeved in the rectangular groove 12 in a sliding manner, the right side of the alternate plugging mechanism extends to the right side of the square frame 1;
the detachable filtering mechanism comprises L-shaped filtering screens 3, the two L-shaped filtering screens 3 are symmetrically arranged, one sides, close to each other, of the two L-shaped filtering screens 3 are respectively in movable contact with two sides of the rectangular box 2, the two sides of the square frame 1 are respectively and movably inserted with a baffle 4 in a sealing manner, the baffle 4 is fixed on the outer side of the square frame 1 in a threaded manner, and one sides, far away from each other, of the two L-shaped filtering screens 3 are respectively and fixedly connected with one sides, close to each other, of the two baffles 4;
the alternating type plugging mechanism comprises a plugging plate 10 which is sleeved in a rectangular groove 12 in a sealing and sliding manner, the left side of the plugging plate 10 is movably clamped with the left side inner wall of a second through hole 7 positioned on the left side, the top of the plugging plate 10 is provided with a third through hole 11, the third through hole 11 is communicated with a first through hole 9 and a second through hole 7 positioned on the right side, the right side of the top of the plugging plate 10 is provided with a mounting hole 13, a first screw 14 is rotatably arranged between the two side inner walls of the mounting hole 13, a fixed block 15 positioned in the mounting hole 13 is fixedly connected between the top inner wall and the bottom inner wall of the rectangular groove 12, the fixed block 15 is sleeved on the first screw 14 in a threaded manner, the right side of the plugging plate 10 is fixedly connected with a micro motor 16, and the left end of an output shaft of the micro motor 16 is fixedly connected with the right end of the first screw 14, so that impurities in the entering steam can be conveniently filtered, and the amount of the particle impurities entering the shell 100 can be reduced, and then the production of noise reduction filters the mode of clearing up through crossing in turn for be convenient for under the condition of not shutting down, realize the clearance operation to impurity in the L shape filter screen 3, improve work efficiency, satisfy the user demand.
In the utility model, the bottom inner wall of the air inlet pipe 101 and the bottom inner wall of the air outlet pipe 102 are both provided with fourth through holes, the two fourth through holes are respectively communicated with two ends of the serpentine heat exchange pipe 104, elastic pads are respectively bonded and fixed on the top inner wall and the bottom inner wall of the shell 100, the sides of the two elastic pads close to each other are respectively fixedly connected with the top and the bottom of the serpentine heat exchange pipe 104, the sides of the two baffles 4 close to each other are respectively fixedly connected with a sealing ring, the sides of the two sealing rings close to each other are respectively in movable contact with two sides of the clip-shaped frame 1, the bottoms of the sides of the two baffles 4 close to each other are respectively fixedly connected with a first clamping block, the bottoms of two sides of the clip-shaped frame 1 are respectively provided with a first clamping groove, the tops of two sides of the clip-shaped frame 1 are respectively provided with a threaded groove, a T-shaped screw rod 17 is sleeved in the threaded groove, the baffles 4 are sleeved on the corresponding T-shaped screw rods 17 in the threaded groove, the left side of the plugging plate 10 is fixedly connected with a second clamping block, the left side inner wall of the second through hole 7 positioned on the left side is provided with a second clamping groove, the second clamping block is clamped with the second clamping groove, the front side and the rear side of the plugging plate 10 are respectively in movable contact with the front side inner wall and the rear side inner wall of the two second through holes 7, one side of the fixed block 15 is provided with a threaded hole which is in threaded connection with a first screw 14, the left side inner wall of the mounting hole 13 is provided with a rotating groove, the right side inner wall of the mounting hole 13 is provided with a circular hole, a first bearing is fixedly sleeved in the rotating groove, a second bearing is fixedly sleeved in the circular hole, the inner side of an inner ring of the first bearing and the inner side of an inner ring of the second bearing are both fixedly connected with the outer side of the first screw 14, the utility model is convenient for filtering impurities in the entering steam, reduces the amount of particle impurities entering the shell 100, and further reduces the generation of noise, through the mode of filtering the clearance in turn for be convenient for under the condition of not shutting down, realize the clearance operation to impurity in the L shape filter screen 3, improve work efficiency, satisfy the user demand.
The working principle is as follows: when the steam-water heater is used, an air inlet pipe is communicated with a steam outlet of a boiler, steam enters the right side of a rectangular box 2 through the air inlet pipe, a transverse pipe 8, a first through hole 9 on the right side and a second through hole 7 on the right side in sequence, the steam passes through an L-shaped filter screen 3 on the right side and then enters the rectangular box 2 through a one-way valve 5 on the right side, the steam in the rectangular box 2 enters a flue gas inlet pipe 105 through an air inlet hole 6, the steam enters a shell 100 through the flue gas inlet pipe 105, meanwhile, air passes through a dustproof screen and enters a snake-shaped heat exchange pipe 104 through an air inlet pipe 101, the heat of the steam in the shell 100 is absorbed by the air in the snake-shaped heat exchange pipe 104, the heat of the steam is gradually reduced and discharged through a flue gas outlet pipe 103, meanwhile, the temperature of the air in the snake-shaped heat exchange pipe 104 is gradually increased, and the temperature after temperature is increased is discharged through an air outlet pipe 102, so that the purpose of heat exchange is realized;
meanwhile, the L-shaped filter screen 3 on the right filters particle impurities in the steam, the amount of the particle impurities entering the shell 100 is reduced, and then the noise generated when the particle impurities collide with the serpentine heat exchange tube 104 is reduced, when the L-shaped filter screen 3 on the right needs to be taken out and cleaned, the micro motor 16 is started in the forward direction to drive the first screw 14 to rotate, under the action of a threaded hole formed in the fixed block 15, the first screw 14 rotates and moves rightwards, the first screw 14 drives the plugging plate 10 to slide rightwards in the rectangular groove 12 through the first bearing and the second bearing, the plugging plate 10 drives the third through hole 11 to move rightwards and gradually separate from the first through hole 9 and the second through hole 7 on the right, along with the movement of the third through hole 11, the second through hole 7 on the right is plugged, the second clamping block is driven to move out of the second clamping groove while the plugging plate 10 moves rightwards, and the plugging of the second through hole 7 on the left is released, at the moment, the steam is changed into steam to enter the left side of the rectangular box 2 from the second through hole 7 on the left side, the steam sequentially passes through the L-shaped filter screen 3 on the left side, the one-way valve 5 on the left side, the air inlet hole 6 and the flue gas inlet pipe 105 to enter the shell 100 for heat exchange operation, the T-shaped screw 17 on the right side can be rotated forwardly at the moment, the T-shaped screw 17 on the right side can be moved out from the threaded groove on the right side while being rotated, the fixation of the baffle 4 on the right side is released, the baffle 4 on the right side can be pulled rightwards at the moment to drive the L-shaped filter screen 3 on the right side to move out from the clip frame 1, impurity particles in the L-shaped filter screen 3 on the right side can be cleaned, after the cleaning, the baffle 4 on the right side is pushed leftwards to drive the L-shaped filter screen 3 on the right side to move leftwards into the square frame 1, the T-shaped screw 17 is rotated reversely to move into the threaded groove on the right side, so that the baffle 4 on the right side is fixed, and the cleaning is finished;
the same reason, when needs clear up left L shape filter screen 3, can reverse start micro motor 16, the motion process with the forward start micro motor 16 of the same reason is opposite, make closure plate 10 change into and remove left, reach and carry out the shutoff and remove the shutoff to the second through-hole 7 on right side to left second through-hole 7, can take out left L shape filter screen 3 this moment and clear up the operation, through the mode of filtering the clearance in turn, make and be convenient for under the condition of not shutting down, realize the clearance operation to impurity in the L shape filter screen 3, and the work efficiency is improved.
In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (8)
1. The utility model provides a novel boiler steam preheater, includes the pre-heater body, the pre-heater body includes that both ends are the casing (100) of block structure, the left end of casing (100) communicates and is fixed with air and advances pipe (101), the left end fixedly connected with dust screen of air advances pipe (101), the right-hand member of casing (100) communicates and is fixed with air exit tube (102), the one end that air advances pipe (101) and air exit tube (102) are close to each other all establishes to block structure, a serial communication port, be equipped with snakelike heat exchange tube (104) in casing (100), the both ends of snakelike heat exchange tube (104) communicate with the bottom that air advances pipe (101) and the bottom of air exit tube (102) respectively and fix, the top left side of casing (100) communicates and is fixed with flue gas and advances pipe (105), the top right side of casing (100) communicates and is fixed with flue gas exit tube (103), the top left side fixedly connected with of casing (100) returns shape frame (1), the bottom of the clip frame (1) is communicated and fixed with the top end of the smoke inlet pipe (105), the clip frame (1) is internally fixedly sleeved with a rectangular box (2) the top of which is arranged as an opening, the inner walls of two sides of the rectangular box (2) are respectively embedded with a check valve (5), one side of the two check valves (5) close to each other is arranged as an outlet, the inner wall of the bottom of the rectangular box (2) is provided with an air inlet hole (6), the air inlet hole (6) is communicated with the smoke inlet pipe (105), two sides of the rectangular box (2) are respectively in movable contact with a detachable filtering mechanism, the two detachable filtering mechanisms are respectively and fixedly arranged at two sides of the clip frame (1), the top of the clip frame (1) is fixedly connected with a transverse pipe (8) the two ends of which are of a plugging structure, the top of the transverse pipe (8) is communicated and fixed with an air inlet pipe, the inner wall of the bottom of the transverse pipe (8) is provided with two first through holes (9), two second through holes (7) are formed in the inner wall of the top of the rectangular frame (1), the first through holes (9) are communicated with the corresponding second through holes (7), the right side of the rectangular frame (1) is provided with a rectangular groove (12), the rectangular groove (12) is communicated with the two second through holes (7) in a crossed mode, an alternate plugging mechanism is sleeved in the rectangular groove (12) in a sliding mode, and the right side of the alternate plugging mechanism extends to the right side of the rectangular frame (1).
2. The novel boiler steam preheater as claimed in claim 1, wherein the detachable filter mechanism comprises L-shaped filter screens (3), the two L-shaped filter screens (3) are symmetrically arranged, one sides of the two L-shaped filter screens (3) close to each other are respectively in movable contact with two sides of the rectangular box (2), baffles (4) are respectively and movably inserted into two sides of the square frame (1) in a sealing manner, the baffles (4) are fixed on the outer sides of the square frame (1) in a threaded manner, and one sides of the two L-shaped filter screens (3) far away from each other are respectively fixedly connected with one sides of the two baffles (4) close to each other.
3. The novel boiler steam preheater according to claim 1, wherein the alternating plugging mechanism comprises a plugging plate (10) which is hermetically and slidably sleeved in a rectangular groove (12), the left side of the plugging plate (10) is movably clamped with the left inner wall of a second through hole (7) positioned on the left side, a third through hole (11) is formed in the top of the plugging plate (10), the third through hole (11) is communicated with a first through hole (9) and a second through hole (7) positioned on the right side, a mounting hole (13) is formed in the right side of the top of the plugging plate (10), a first screw rod (14) is rotatably mounted between the inner walls on the two sides of the mounting hole (13), a fixed block (15) positioned in the mounting hole (13) is fixedly connected between the inner wall on the top and the inner wall on the bottom of the rectangular groove (12), the fixed block (15) is sleeved on the first screw rod (14) in a threaded manner, a micro motor (16) is fixedly connected to the right side of the plugging plate (10), the left end of the output shaft of the micro motor (16) is fixedly connected with the right end of the first screw rod (14).
4. The novel boiler steam preheater as claimed in claim 1, wherein the bottom inner wall of the air inlet pipe (101) and the bottom inner wall of the air outlet pipe (102) are both provided with fourth through holes, and the two fourth through holes are respectively communicated with two ends of the serpentine heat exchange pipe (104).
5. A new boiler steam preheater according to claim 1, characterized in that elastic pads are bonded and fixed on the top inner wall and the bottom inner wall of the casing (100), and the sides of the two elastic pads close to each other are fixedly connected with the top and the bottom of the serpentine heat exchange tube (104), respectively.
6. The novel boiler steam preheater as claimed in claim 2, wherein one side of each of the two baffles (4) close to each other is fixedly connected with a sealing ring, one side of each of the two sealing rings close to each other is in movable contact with both sides of the clip frame (1), the bottom of one side of each of the two baffles (4) close to each other is fixedly connected with a first clamping block, both sides of the clip frame (1) are respectively provided with a first clamping groove, the first clamping block is clamped with the corresponding first clamping groove, both sides of the clip frame (1) are respectively provided with a threaded groove, the threaded groove is internally threaded with a T-shaped screw (17), and the baffle (4) is in threaded sleeve connection with the corresponding T-shaped screw (17).
7. The novel boiler steam preheater as claimed in claim 3, wherein a second clamping block is fixedly connected to the left side of the blocking plate (10), a second clamping groove is formed in the left side inner wall of the second through hole (7) located on the left side, the second clamping block is clamped with the second clamping groove, and the front side and the rear side of the blocking plate (10) are in movable contact with the front side inner wall and the rear side inner wall of the two second through holes (7), respectively.
8. The novel boiler steam preheater as claimed in claim 3, wherein one side of the fixing block (15) is provided with a threaded hole, the threaded hole is in threaded connection with the first screw (14), the left inner wall of the mounting hole (13) is provided with a rotating groove, the right inner wall of the mounting hole (13) is provided with a circular hole, the rotating groove is internally and fixedly sleeved with a first bearing, the circular hole is internally and fixedly sleeved with a second bearing, and the inner sides of the inner rings of the first bearing and the second bearing are both fixedly connected with the outer side of the first screw (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122205722.9U CN215766619U (en) | 2021-09-13 | 2021-09-13 | Novel boiler steam preheater |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122205722.9U CN215766619U (en) | 2021-09-13 | 2021-09-13 | Novel boiler steam preheater |
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| CN215766619U true CN215766619U (en) | 2022-02-08 |
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| CN202122205722.9U Active CN215766619U (en) | 2021-09-13 | 2021-09-13 | Novel boiler steam preheater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114459065A (en) * | 2022-02-15 | 2022-05-10 | 东营市纬地热力有限公司 | Intermittent saturated steam long-distance heat supply system |
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2021
- 2021-09-13 CN CN202122205722.9U patent/CN215766619U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114459065A (en) * | 2022-02-15 | 2022-05-10 | 东营市纬地热力有限公司 | Intermittent saturated steam long-distance heat supply system |
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