Evaporator for condensing boiler

Abstract

An evaporator for a condensing boiler comprises a box body, an air inlet pipe and a water outlet pipe are communicated with the lower side of the side wall of the box body, an air outlet pipe, a water inlet pipe and an air return pipe are communicated with the upper side of the box body, a heater is fixedly installed in the box body, a vertical pipe is rotatably installed in the box body, a screw is rotatably installed in the vertical pipe, and two nuts are installed on the periphery of the screw in a threaded fit mode. The periphery of the nut is hinged to one ends of a plurality of first connecting rods, a plurality of through grooves corresponding to the first connecting rods are formed in the vertical pipe, the other ends of the first connecting rods extend out of the corresponding through grooves and are hinged to the middles of stirring rods, and the close ends of the two stirring rods on the same side are hinged to the vertical pipe through second connecting rods. The stirring device is simple in structure and ingenious in conception, the stirring rod can stir steam in the box body, the heater can fully heat the steam in the box body, the inclination degree of the stirring rod can be changed through the first connecting rod along with vertical movement of the nut, and therefore the stirring range is changed, market requirements can be met, and the stirring device is suitable for popularization.

Description

TECHNICAL FIELD

[0001] The utility model belongs to evaporator field, concretely is a kind of evaporator for condensing boiler. BACKGROUND

[0002] Evaporator is the very important component in four big things of refrigeration, low-temperature condensate liquid passes through evaporator, and exchanges heat with outside air, gasification heat absorption, reach the effect of refrigeration, the patent with the announcement number CN213421056U: 《a kind of evaporator for condensing boiler》, a kind of boiler evaporator is disclosed in the patent, but the steam in the box (1) cannot be stirred in the patent, it is not conducive to the evaporation of steam, therefore, we design a kind of evaporator for condensing boiler with more functions. CONTENT OF UTILITY MODEL

[0003] The utility model provides a kind of evaporator for condensing boiler, to solve the defects in prior art.

[0004] The utility model is implemented by the following technical solutions:

[0005] A kind of evaporator for condensing boiler, including box, the lower side of the lateral wall of box is connected and installs inlet pipe and outlet pipe, the upper side of box is connected and installs outlet pipe, inlet pipe and return pipe, heater is fixedly installed in box, vertical pipe is rotatably installed in box, screw rod is rotatably installed in vertical pipe, two nuts are installed in the outer periphery of screw rod with thread cooperation, the outer periphery of nut is respectively hinged to connect the one end of a plurality of first connecting rods, a plurality of through slots are set up on vertical pipe corresponding to first connecting rod, the other end of first connecting rod is respectively extended through corresponding through slot and hinged to connect the middle part of stirring rod, the end of two stirring rods on the same side is respectively hinged to connect on vertical pipe by second connecting rod, the outer periphery of stirring rod is fixedly installed triangular scraper on the side close to the inner wall of box, when stirring rod is vertical, corresponding triangular scraper is attached to the inner wall of box, driving mechanism for driving vertical pipe and screw rod rotation is arranged on box.

[0006] A kind of evaporator for condensing boiler as described above, the driving mechanism includes motor, motor is fixedly installed on box by mounting plate, first helical gear is fixedly installed on the output shaft of motor, oblique tooth ring is meshed and cooperated on the side of first helical gear, oblique tooth ring is fixedly installed on vertical pipe, the upper end of vertical pipe is extended out of box, the upper end of screw rod is higher than the upper end of vertical pipe and fixedly installs second helical gear, third helical gear is meshed and cooperated on the side of second helical gear, third helical gear is fixedly connected to the one end of cross shaft, cross shaft is rotatably installed on oblique tooth ring by shaft seat, the other end of cross shaft is rotatably installed fourth helical gear by one-way bearing, fifth helical gear is meshed and cooperated on the side of fourth helical gear, fifth helical gear is fixedly installed on box by a plurality of third connecting rods.

[0007] The evaporator for condensing boiler is characterized in that a slag discharge port is formed in the bottom of the box body, and an internally threaded cover is installed in the inner periphery of the slag discharge port in a threaded fit.

[0008] The evaporator for condensing boiler is characterized in that the triangular scraper is made of rubber.

[0009] The evaporator for condensing boiler is characterized in that a gap is formed between the lower end of the vertical pipe and the top of the heater.

[0010] The evaporator for condensing boiler is characterized in that the two stirring rods on the same side are fixedly connected to one end of the inclined rod, the other end of the inclined rod is rotatably installed on the same hinge shaft through a bearing, the two inclined rods rotatably installed on the same hinge shaft are staggered in front and back, one end of the second connecting rod is fixedly connected to the hinge shaft through a C-shaped plate, and the other end of the second connecting rod is fixedly connected to the outer periphery of the vertical pipe.

[0011] The evaporator for condensing boiler is characterized in that the evaporator for condensing boiler has simple structure and ingenious design, the stirring rod can stir the steam in the box body, the heater can fully heat the steam in the box body, the inclination of the stirring rod can be changed through the first connecting rod along with the up and down movement of the nut, the stirring range can be changed, the market demand can be met, and the evaporator for condensing boiler is suitable for promotion. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings required to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0013] Figure 1 is a structural schematic view of the present application; Figure 2 is Figure 1 is a sectional view along the line A-A; Figure 3 is a top view of the stirring rod and the triangular scraper.

[0014] The drawings show that: 1 is a box body, 2 is a heater, 3 is a vertical pipe, 4 is a screw rod, 5 is a nut, 6 is a first connecting rod, 7 is a through groove, 8 is a stirring rod, 9 is a second connecting rod, 10 is a triangular scraper, 11 is an air inlet pipe, 12 is a water outlet pipe, 13 is an air outlet pipe, 14 is a water inlet pipe, 15 is a gas return port, 20 is a motor, 21 is a first bevel gear, 22 is a bevel gear ring, 23 is a second bevel gear, 24 is a third bevel gear, 25 is a horizontal shaft, 26 is a fourth bevel gear, 27 is a fifth bevel gear, 28 is a third connecting rod, 29 is a mounting plate, 30 is a slag discharge port, 31 is an internally threaded cover, 60 is an inclined rod, and 61 is a C-shaped plate. DETAILED DESCRIPTION

[0015] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some but not all of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0016] A condensing boiler evaporator, such as Figure 1 , 2The utility model provides a steam heating device, as shown in claim 3, including box 1, the lower side intercommunication installation air inlet pipe 11 and water outlet pipe 12 of box 1 lateral wall, the upper side intercommunication installation air outlet pipe 13, water inlet pipe 14 and back gas pipe 15 of box 1, heater 2 is fixedly installed in the box 1, vertical pipe 3 is rotatably installed in the box 1, the outer periphery of vertical pipe 3 is fixedly connected with the inner ring of bearing, the outer ring of bearing is fixedly connected with the inner periphery of the reserved hole of the top of box 1, screw rod 4 is rotatably installed in vertical pipe 3, the outer periphery of screw rod 4 is fixedly connected with the inner ring of bearing, the outer ring of bearing is fixedly connected with the inner periphery of vertical pipe 3, the outer periphery of screw rod 4 is threadedly matched with the installation of two nuts 5, box 1, vertical pipe 3, screw rod 4 and nut 5 are coaxial, the outer periphery of nut 5 is respectively hingedly connected with the one end of a plurality of first connecting rods 6, a plurality of through slots 7 are set up on vertical pipe 3 corresponding to first connecting rod 6, the other end of first connecting rod 6 is respectively extended corresponding through slot 7 and hingedly connected with the middle part of stirring rod 8, the end of two stirring rods 8 on the same side is respectively hingedly connected on vertical pipe 3 through second connecting rod 9, the end of two stirring rods 8 on the same side is respectively hingedly connected with the one end of second connecting rod 9, the other end of second connecting rod 9 is respectively fixedly installed on vertical pipe 3, the outer periphery of stirring rod 8 is respectively fixedly installed with triangular scraper 10 on the side close to the inner wall of box 1, when stirring rod 8 is vertical, corresponding triangular scraper 10 is attached with the inner wall of box 1, and the driving mechanism for driving vertical pipe 3 and screw rod 4 to rotate is arranged on box 1. The utility model has simple structure and ingenious design, the steam in the box 1 can be stirred by stirring rod 8, the heater 2 can fully heat the steam in the box 1, and along with the up-down movement of nut 4, the inclination degree of stirring rod 8 can be changed by first connecting rod 6, so that the stirring range is changed, the market demand can be met, and the utility model is suitable for promotion. When the utility model is used, the steam is introduced into the box 1 through air inlet pipe 11, the steam is heated by heater 2, the heated steam is discharged from the box 1 into the gas-liquid separator through air outlet pipe 13, the liquid in the gas-liquid separator is introduced into the box 1 through water inlet pipe 14, the liquid in the box 1 is discharged from the box 1 through water outlet pipe 12, the steam in the gas-liquid separator is introduced into the box 1 through back gas port 15, the screw rod 4 is driven to rotate by the driving mechanism, the screw rod 4 drives the nut 5 to move up and down, the nut 5 drives the inner end of first connecting rod 6 to move up and down, the first connecting rod 6 slides in the corresponding through slot 7, the first connecting rod 6 drives the corresponding stirring rod 8 to rotate along the hinged shaft of second connecting rod 9, the inclination degree of stirring rod 8 is changed, when the stirring rod 8 is in the vertical state, the triangular scraper 10 is attached with the inner wall of the box 1, at this time, the triangular scraper 10 can scrape off the attachments on the inner wall of the box 1 when rotating along the axis of vertical pipe 3, the stirring range of the steam in the box 1 can be changed by changing the inclination degree of stirring rod 8, which is beneficial to the evaporation of the steam, then the vertical pipe 3 is driven to rotate by the driving mechanism, the vertical pipe 3 drives the corresponding stirring rod 8 and triangular scraper 10 to rotate along the axis of vertical pipe 3 through first connecting rod 6 and second connecting rod 9, and the steam in the box 1 is stirred by stirring rod 8.

[0017] Specifically, as shown in the figure, the driving mechanism of the embodiment includes a motor 20 fixedly installed on the box body 1 through a mounting plate 29, a first helical gear 21 fixedly installed on the output shaft of the motor 2, the output shaft of the motor 2 and the first helical gear 21 are coaxially arranged, one side of the first helical gear 21 is meshingly connected with a helical ring 22, the helical ring 22 is fixedly installed on the vertical pipe 3, the upper end of the vertical pipe 3 extends out of the box body 1, the inner periphery of the helical ring 22 is fixedly connected with the outer periphery of the upper end of the vertical pipe 3, the upper end of the screw rod 4 is higher than the upper end of the vertical pipe 3 and is fixedly installed with a second helical gear 23, one side of the second helical gear 23 is meshingly connected with a third helical gear 24, one end of the third helical gear 24 is fixedly connected with a horizontal shaft 25, the horizontal shaft 25 is rotatably installed on the helical ring 22 through a shaft seat, the outer periphery of the horizontal shaft 25 is rotatably connected with the inner periphery of the shaft seat, the outer periphery of the shaft seat is fixedly installed on the helical ring 22, the other end of the horizontal shaft 25 is rotatably installed with a fourth helical gear 26 through a one-way bearing, the third helical gear 24, the horizontal shaft 25 and the fourth helical gear 26 are coaxially arranged, the outer periphery of the other end of the horizontal shaft 25 is fixedly connected with the inner ring of the one-way bearing, the outer ring of the one-way bearing is fixedly connected with one side of the fourth helical gear 26, one side of the fourth helical gear 26 is meshingly connected with a fifth helical gear 27, the screw rod 4, the helical ring 22, the second helical gear 23 and the fifth helical gear 27 are coaxially arranged, the fifth helical gear 27 is fixedly installed on the box body 1 through a plurality of third connecting rods 28. Start the motor 20, the forward rotation of the output shaft of the motor 20 drives the first helical gear 21 to rotate, the rotation of the first helical gear 21 drives the helical ring 22 meshingly connected therewith to rotate, thereby driving the vertical pipe 3 to rotate, the rotation of the helical ring 22 drives the shaft seat, the third helical gear 24, the horizontal shaft 25 and the fourth helical gear 26 to rotate around the axis of the helical ring 22, since the fourth helical gear 26 is meshingly connected with the fifth helical gear 27 and the fifth helical gear 27 is fixedly installed, the fourth helical gear 26 rotates around the fifth helical gear 27 while self-rotating, the fourth helical gear 26 drives the horizontal shaft 25 and the third helical gear 24 to rotate through the one-way bearing, the third helical gear 24 drives the second helical gear 23 and the screw rod 4 to rotate; similarly, the reverse rotation of the output shaft of the motor 20 drives the vertical pipe 3 to rotate, the fourth helical gear 26 cannot drive the horizontal shaft 25 and the third helical gear 24 to rotate through the one-way bearing, and the screw rod 4 does not rotate.

[0018] Specifically, as shown in the figure, the bottom of the box body 1 is provided with a slag discharge port 30, the inner periphery of the slag discharge port 30 is provided with threads and is threadedly connected with an internally threaded cover 31. The internally threaded cover 31 is removed from the slag discharge port 30, the impurities scraped off by the triangular scraper 10 can be cleaned through the slag discharge port 30, after cleaning, the internally threaded cover 31 is threadedly connected with the inner periphery of the slag discharge port 30.

[0019] Further, as shown in the figure, the triangular scraper 10 of the embodiment is made of rubber. The triangular scraper 10 made of rubber has good wear resistance and elasticity, can provide stable and long-lasting cleaning effect, has long service life and is not easy to age.

[0020] Further, as shown in the drawings, the lower end of the vertical pipe 3 and the top of the heater 2 have a gap. The gap between the lower end of the vertical pipe 3 and the top of the heater 2 can prevent the condensate from remaining in the vertical pipe 3 after use, affecting the next use.

[0021] Further, as shown in the drawings, the lower end of the vertical pipe 3 and the top of the heater 2 have a gap. The gap between the lower end of the vertical pipe 3 and the top of the heater 2 can prevent the condensate from remaining in the vertical pipe 3 after use, affecting the next use.

[0022] Finally, it should be noted that: the above examples are used to illustrate the technical solutions of the present application, rather than limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. An evaporator for a condensing boiler, comprising a housing (1), wherein an air inlet pipe (11) and a water outlet pipe (12) are connected and installed on the lower side wall of the housing (1), an air outlet pipe (13), a water inlet pipe (14), and a return air pipe (15) are connected and installed on the upper side of the housing (1), a heater (2) is fixedly installed inside the housing (1), and a vertical pipe (3) is rotatably installed inside the housing (1), characterized in that: A screw rod (4) is rotatably installed in the vertical pipe (3), the outer periphery of the screw rod (4) is threadedly fitted with two nuts (5), the outer periphery of the nuts (5) is respectively hingedly connected to one end of a plurality of first connecting rods (6), a plurality of through grooves (7) are formed in the vertical pipe (3) corresponding to the first connecting rods (6), the other end of the first connecting rods (6) respectively extends out of the corresponding through grooves (7) and is hingedly connected to the middle of a stirring rod (8), the ends of the two stirring rods (8) on the same side are respectively hingedly connected to the vertical pipe (3) through a second connecting rod (9), the outer periphery of the stirring rod (8) on the side close to the inner wall of the box body (1) is respectively fixedly installed with a triangular scraper (10), when the stirring rod (8) is vertical, the corresponding triangular scraper (10) is attached to the inner wall of the box body (1), and the box body (1) is provided with a driving mechanism for driving the vertical pipe (3) and the screw rod (4) to rotate.

2. A boiler evaporator according to claim 1, characterized in that: The driving mechanism comprises a motor (20), the motor (20) is fixedly installed on the box body (1) through a mounting plate (29), a first helical gear (21) is fixedly installed on the output shaft of the motor (20), a helical gear ring (22) is engagedly arranged on one side of the first helical gear (21), the helical gear ring (22) is fixedly installed on the vertical pipe (3), the upper end of the vertical pipe (3) extends out of the box body (1), the upper end of the screw rod (4) is higher than the upper end of the vertical pipe (3) and is fixedly installed with a second helical gear (23), a third helical gear (24) is engagedly arranged on one side of the second helical gear (23), one end of a cross shaft (25) is fixedly connected to the third helical gear (24), the cross shaft (25) is rotatably installed on the helical gear ring (22) through a shaft seat, the other end of the cross shaft (25) is rotatably installed with a fourth helical gear (26) through a one-way bearing, a fifth helical gear (27) is engagedly arranged on one side of the fourth helical gear (26), and the fifth helical gear (27) is fixedly installed on the box body (1) through a plurality of third connecting rods (28).

3. A boiler evaporator according to claim 1, characterized in that: A slag discharge port (30) is formed in the bottom of the box body (1), the inner periphery of the slag discharge port (30) is provided with threads and is threadedly fitted with an internally threaded cover (31).

4. A boiler evaporator according to claim 1, characterized in that: The triangular scraper (10) is made of rubber.

5. A boiler evaporator according to claim 1, characterized in that: There is a gap between the lower end of the vertical pipe (3) and the top of the heater (2).

6. A boiler evaporator according to claim 4, characterized in that: The ends of the two stirring rods (8) on the same side are respectively fixedly connected to one end of an inclined rod (60), the other end of the inclined rod (60) is rotatably installed on the same hinged shaft through a bearing, the two inclined rods (60) rotatably installed on the same hinged shaft are staggered in front and back, one end of the second connecting rod (9) is fixedly connected to the hinged shaft through a C-shaped plate (61), and the other end of the second connecting rod (9) is fixedly connected to the outer periphery of the vertical pipe (3).

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