CN214891272U

CN214891272U - Device for recovering waste heat of gas boiler or direct-fired machine

Info

Publication number: CN214891272U
Application number: CN202121291779.9U
Authority: CN
Inventors: 陈佩; 刘婷; 常会军; 张�浩; 胡建文; 李攀; 马刚
Original assignee: Xi'an Xingang Distributed Energy Co Ltd
Current assignee: Xi'an Xingang Distributed Energy Co Ltd
Priority date: 2021-06-10
Filing date: 2021-06-10
Publication date: 2021-11-26
Anticipated expiration: 2031-06-10

Abstract

The utility model discloses a device for gas boiler or direct-fired machine waste heat recovery, including the bottom plate, fixedly connected with hot-water tank, rose box and exhaust fan in proper order from a left side to the right side on the surface at bottom plate top, the fixed intercommunication in bottom on the left side of exhaust fan inlet end and rose box inner chamber right side, the equal fixedly connected with level sensor in top and bottom on hot-water tank inner chamber right side. The utility model discloses a set up and carry the swash plate, the incrustation scale calandria, including a motor, an end cap, a controller, and a cover plate, the removal screw rod, remove the swivel nut, support the cover, the clearance board, the brush hair, the cooperation of clearance hole and flexible clearance hair is used, can clear away the incrustation scale on pipeline surface, waste heat recovery device's waste heat recovery efficiency is higher like this, solved waste heat recovery device in the use, because of can not clear away the adnexed incrustation scale of pipeline surface, a large amount of incrustations can be depended on a long pipeline surface of time, thermal conduction efficiency has been reduced, thereby lead to waste heat recovery device to appear the lower problem of waste heat recovery efficiency.

Description

Device for recovering waste heat of gas boiler or direct-fired machine

Technical Field

The utility model relates to a waste heat recovery technical field specifically is a device that is used for gas boiler or direct-fired machine waste heat recovery.

Background

The waste heat refers to sensible heat and latent heat which are not reasonably utilized in the original design in the energy consumption device of the put-in-operation industrial enterprise and are limited by factors such as history, technology, concept and the like, and comprises high-temperature waste gas waste heat, cooling medium waste heat, waste steam waste water waste heat, high-temperature product and slag waste heat, chemical reaction waste heat, combustible waste gas waste liquid, waste material waste heat and the like, according to investigation, the total waste heat resources of all industries account for 17-67% of the total fuel consumption, and the recyclable waste heat resources account for 60% of the total waste heat resources; waste heat recovery device can be used in the waste heat recovery process of gas boiler or direct-fired machine, and current waste heat recovery device can not clear away the adnexed incrustation scale of pipeline surface in the use, and a large amount of incrustations scales can be attached to on a long pipeline surface of time, has reduced thermal conduction efficiency to lead to waste heat recovery device to appear the lower problem of waste heat recovery efficiency, greatly reduced waste heat recovery device's practicality.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a device for gas boiler or direct-fired machine waste heat recovery possesses the advantage of cleaing away the incrustation scale on pipeline surface, has solved waste heat recovery device in the use, because of can not cleaing away pipeline surface adnexed incrustation scale, and a large amount of incrustations scales can be depended on to a time long pipeline surface, has reduced thermal conduction efficiency to lead to waste heat recovery device to appear the lower problem of waste heat recovery efficiency.

In order to achieve the above object, the utility model provides a following technical scheme: a device for recovering waste heat of a gas boiler or a direct-fired machine comprises a bottom plate, wherein a hot water tank, a filter tank and an exhaust fan are fixedly connected to the surface of the top of the bottom plate from left to right in sequence, the left side of the air inlet end of the exhaust fan is fixedly communicated with the bottom of the right side of an inner cavity of the filter tank, a liquid level sensor is fixedly connected to the top and the bottom of the right side of the inner cavity of the hot water tank, inclined conveying plates are fixedly connected to the bottoms of two sides of the inner cavity of the hot water tank, a scale discharging pipe is fixedly communicated with the bottom of the rear side of the inner cavity of the hot water tank, a water inlet pipe and a water outlet pipe are respectively and fixedly communicated with the top of the left side of the inner cavity of the hot water tank, a motor is fixedly connected to the top of the right side of the hot water tank, a moving screw rod is fixedly connected to the left side of a rotating shaft of the motor, penetrates through the hot water tank and extends to the inner cavity of the supporting sleeve to be movably connected with the inner cavity of the supporting sleeve through a bearing, the utility model discloses a hot-water tank, including hot-water tank, heat-water tank, cleaning plate, curved type pipe, hot-water tank, the center department thread bush on removal screw rod surface is equipped with the removal swivel nut, the bottom fixedly connected with cleaning plate of removal swivel nut, the fixed surface of cleaning plate bottom is connected with flexible clearance hair, the bottom of hot-water tank left side surface is provided with curved type pipe, one side that curved type pipe is close to the hot-water tank runs through cleaning plate and hot-water tank and extends to the top fixedly connected with conveyer pipe on hot-water tank right side, the bottom of conveyer pipe and the fixed intercommunication in top of rose box inner chamber, run through on the cleaning plate and seted up the clearance hole, the inner circle fixedly connected with brush hair in clearance hole.

Preferably, the positive surface of rose box is inlayed and is had sealed chamber door, the sealed recess of T type has been seted up on the positive surface of rose box, the rear side on sealed chamber door outer lane surface is for closely cooperating with the inner chamber of the sealed recess of T type, sealed chamber door passes through screw thread location with the sealed recess of T type and is connected.

Preferably, the inner chamber of rose box is from last to down support ring board and the lower support ring board in proper order fixedly connected with, the top of going up support ring board and lower support ring board is fixedly connected with respectively and goes up filter screen and lower filter screen, the filter fineness of going up the filter screen is less than and the filter fineness of filter screen down, the surface of going up filter screen and lower filter screen outer lane is for closely cooperating with the inner chamber of sealed chamber door.

Preferably, a limiting groove is transversely formed in the surface of the top of the hot water tank, a limiting block is fixedly connected to the top of the movable screw sleeve, the surface of the limiting block is in sliding contact with the inner cavity of the limiting groove, and the surface of the top of the movable screw sleeve is in sliding contact with the top of the inner cavity of the hot water tank.

Preferably, both sides of the surface of the movable screw rod are sleeved with limit ring plates, the inner rings of the limit ring plates are in interference fit with the surface of the movable screw rod, and the threads on the surface of the movable screw rod are arranged between the two limit ring plates.

Preferably, the left sides of inlet tube and outlet pipe all fixedly connected with quick-operation joint, control valve is installed at the top of incrustation scale calandria.

Preferably, the inner diameter of the cleaning hole is larger than the outer diameter of the curved tube, and the inner sides of the bristles are in contact with the surface of the outer ring of the curved tube.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up and carry the swash plate, the incrustation scale calandria, including a motor, an end cap, a controller, and a cover plate, the removal screw rod, remove the swivel nut, support the cover, the clearance board, the brush hair, the cooperation of clearance hole and flexible clearance hair is used, can clear away the incrustation scale on pipeline surface, waste heat recovery device's waste heat recovery efficiency is higher like this, solved waste heat recovery device in the use, because of can not clear away the adnexed incrustation scale of pipeline surface, a large amount of incrustations can be depended on a long pipeline surface of time, thermal conduction efficiency has been reduced, thereby lead to waste heat recovery device to appear the lower problem of waste heat recovery efficiency, be worth promoting.

2. The utility model discloses a set up sealed chamber door and the sealed recess of T type, can seal the rose box, through the cooperation of last backup ring board and lower backup ring board, can fix a position the installation to last filter screen and lower filter screen, through last filter screen and lower filter screen, can filter the flue gas, through the cooperation of spacing groove and stopper, improved and removed the swivel nut and control the positional stability, through spacing ring board, can carry on spacingly to removing the swivel nut, through quick-operation joint, make things convenient for inlet tube and outlet pipe and external pipe connection.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a side view of the cleaning plate structure of the present invention;

fig. 3 is a schematic structural view of the filter box of the present invention.

In the figure: 1 bottom plate, 2 transport swash plates, 3 hot-water tank, 4 incrustation scale calandria, 5 level sensor, 6 rose box, 7 sealed chamber door, 8 exhaust fan, 9 conveyer pipes, 10 motors, 11 spacing groove, 12 removal screw rods, 13 removal swivel nut, 14 bent type pipe, 15 support cover, 16 inlet tubes, 17 clearance board, 18 outlet pipes, 19 brush hairs, 20 clearance holes, 21 flexible clearance hair, 22 spacing block, 23 filter screens on, 24 filter screens under, 25 support ring board, 26 support ring board on.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a device for recovering waste heat of a gas boiler or a direct-fired machine comprises a bottom plate 1, a hot water tank 3, a filter box 6 and an exhaust fan 8 are fixedly connected on the surface of the top of the bottom plate 1 from left to right in sequence, the left side of the air inlet end of the exhaust fan 8 is fixedly communicated with the bottom of the right side of the inner cavity of the filter box 6, a seal box door 7 is embedded on the front surface of the filter box 6, a T-shaped seal groove is arranged on the front surface of the filter box 6, the rear side of the outer ring surface of the seal box door 7 is tightly matched with the inner cavity of the T-shaped seal groove, the seal box door 7 is in threaded positioning connection with the T-shaped seal groove, an upper support ring plate 26 and a lower support ring plate 25 are fixedly connected on the inner cavity of the filter box 6 from top to bottom in sequence, the top of the upper support ring plate 26 and the lower support ring plate 25 are fixedly connected with an upper filter screen 23 and a lower filter screen 24 respectively, the filter precision of the upper filter screen 23 is smaller than that of the lower filter screen 24, the surfaces of the outer rings of the upper filter screen 23 and the lower filter screen 24 are tightly matched with the inner cavity of the sealing box door 7, the filter box 6 can be sealed by arranging the sealing box door 7 and the T-shaped sealing groove, the upper filter screen 23 and the lower filter screen 24 can be positioned and installed by matching the upper supporting ring plate 26 and the lower supporting ring plate 25, smoke can be filtered by the upper filter screen 23 and the lower filter screen 24, the top and the bottom on the right side of the inner cavity of the hot water box 3 are fixedly connected with the liquid level sensor 5, the bottoms on the two sides of the inner cavity of the hot water box 3 are fixedly connected with the conveying inclined plate 2, the bottom on the rear side of the inner cavity of the hot water box 3 is fixedly communicated with the scale calandria 4, the top and the bottom on the left side of the inner cavity of the hot water box 3 are respectively and fixedly communicated with the water inlet pipe 16 and the water outlet pipe 18, the top on the left side of the inner cavity of the hot water box 3 is fixedly connected with the supporting sleeve 15, and the top on the right side of the hot water box 3 is fixedly connected with the motor 10, a movable screw 12 is fixedly connected to the left side of the rotating shaft of the motor 10, the left side of the movable screw 12 penetrates through the hot water tank 3 and extends to the inner cavity of the support sleeve 15 and the inner cavity of the support sleeve 15 to be movably connected through a bearing, limit ring plates are sleeved on both sides of the surface of the movable screw 12, the inner rings of the limit ring plates are in interference fit with the surface of the movable screw 12, the threads on the surface of the movable screw 12 are arranged between the two limit ring plates, the movable screw 13 can be limited through the limit ring plates, a movable screw 13 is sleeved on the center of the surface of the movable screw 12 in a threaded manner, a limit groove 11 is transversely formed in the surface of the top of the hot water tank 3, a limit block 22 is fixedly connected to the top of the movable screw 13, the surface of the limit block 22 is in sliding contact with the inner cavity of the limit groove 11, the surface of the top of the movable screw 13 is in sliding contact with the top of the inner cavity of the hot water tank 3, and the limit groove 11 is matched with the limit block 22, the left-right movement positioning stability of the movable screw sleeve 13 is improved, the bottom of the movable screw sleeve 13 is fixedly connected with a cleaning plate 17, the surface of the bottom of the cleaning plate 17 is fixedly connected with a flexible cleaning bristle 21, the bottom of the left side surface of the hot water tank 3 is provided with a bent pipe 14, one side of the bent pipe 14, which is close to the hot water tank 3, penetrates through the cleaning plate 17 and the hot water tank 3 and extends to the top of the right side of the hot water tank 3, the conveying pipe 9 is fixedly connected with the top of the inner cavity of the filter tank 6, the bottom of the conveying pipe 9 is fixedly communicated with the top of the inner cavity of the filter tank 6, a cleaning hole 20 is formed in the cleaning plate 17 in a penetrating manner, the inner ring of the cleaning hole 20 is fixedly connected with a brush bristle 19, the scale on the surface of the pipeline can be cleaned by arranging a conveying inclined plate 2, a scale discharge pipe 4, a motor 10, a movable screw 12, the movable screw sleeve 13, a support sleeve 15, the cleaning plate 17, the brush bristle 19, the cleaning hole 20 and the flexible cleaning bristle 21, solves the problems that the surface of the pipeline can be attached with a large amount of scale after a long time because the scale attached to the surface of the pipeline can not be removed in the using process of the waste heat recovery device, the heat conduction efficiency is reduced, therefore, the waste heat recovery device has the problem of low waste heat recovery efficiency, and is worthy of popularization, a control panel is embedded in the center of the front surface of the hot water tank 3, the output end of the control panel is respectively and electrically connected with the input ends of the motor 10 and the exhaust fan 8, the control panel is electrically connected with the liquid level sensor 5 in a two-way manner, the left sides of the water inlet pipe 16 and the water outlet pipe 18 are fixedly connected with quick connectors, the top of the scale calandria 4 is provided with a control valve, the water inlet pipe 16 and the water outlet pipe 18 are conveniently connected with an external pipeline through a quick connector, the inner diameter of the cleaning hole 20 is larger than the outer diameter of the curved pipe 14, and the inner sides of the bristles 19 are in contact with the surface of the outer ring of the curved pipe 14.

When the scale cleaning device is used, the control panel is used for controlling the interval time of forward and reverse rotation of the motor 10, the forward and reverse rotation of the movable screw 12 is driven through the forward and reverse rotation of the motor 10, the movable screw sleeve 13 is enabled to move left and right on the surface of the movable screw 12, the cleaning plate 17 is driven to move left and right, the surface of the curved pipe 14 is cleaned through the brush bristles 19, the cleaned scale falls into the bottom of the inner cavity of the hot water tank 3, the scale is moved to the center of the bottom of the inner cavity of the hot water tank 3 through the left and right movement of the flexible cleaning bristles 21, and the scale is discharged by opening the scale discharge pipe 4; the lower liquid level sensor 5 is used for detecting a low water level, when the low water level reaches, a worker injects water into the hot water tank 3 through the water inlet pipe 16 by using an external pipeline, the upper liquid level sensor 5 is used for detecting a high water level, when the high water level reaches, the worker stops injecting water into the hot water tank 3 through the water inlet pipe 16 by using the external pipeline; in the working process, the control panel starts the exhaust fan 8, the bent pipe 14 is used for conveying air waste heat, and the air is filtered through the upper filter screen 23 and the lower filter screen 24.

All kinds of parts used in this application file are standard parts, can purchase from the market, and the concrete connected mode of each part all adopts conventional means such as ripe bolt, rivet and welding among the prior art, and machinery, part and electrical equipment all adopt conventional model among the prior art, and circuit connection adopts conventional connected mode among the prior art, and electrical equipment all communicates with external safe power supply, does not make specific statement here again.

In summary, the following steps: this a device for gas boiler or direct-fired machine waste heat recovery, through setting up carry swash plate 2, incrustation scale calandria 4, motor 10, remove screw rod 12, remove swivel nut 13, support cover 15, cleaning plate 17, brush hair 19, the cooperation of clearance hole 20 and flexible clearance hair 21 is used, waste heat recovery device has been solved in the use, because of can not clear away the adnexed incrustation scale of pipeline surface, a large amount of incrustations scale can be attached to on a time long pipeline surface, thermal conduction efficiency has been reduced, thereby lead to waste heat recovery device to appear the lower problem of waste heat recovery efficiency.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A device for gas boiler or direct-fired machine waste heat recovery, includes bottom plate (1), its characterized in that: the water heater is characterized in that a hot water tank (3), a filter tank (6) and an exhaust fan (8) are fixedly connected to the surface of the top of the bottom plate (1) in sequence from left to right, the left side of the air inlet end of the exhaust fan (8) is fixedly communicated with the bottom of the right side of the inner cavity of the filter tank (6), the top and the bottom of the right side of the inner cavity of the hot water tank (3) are fixedly connected with a liquid level sensor (5), the bottoms of the two sides of the inner cavity of the hot water tank (3) are fixedly connected with conveying inclined plates (2), the bottom of the rear side of the inner cavity of the hot water tank (3) is fixedly communicated with a scale calandria (4), the left top and the bottom of the inner cavity of the hot water tank (3) are respectively and fixedly communicated with a water inlet pipe (16) and a water outlet pipe (18), the left top of the inner cavity of the hot water tank (3) is fixedly connected with a support sleeve (15), and the top of the right side of the hot water tank (3) is fixedly connected with a motor (10), the left side of the rotating shaft of the motor (10) is fixedly connected with a movable screw rod (12), the left side of the movable screw rod (12) penetrates through the hot water tank (3) and extends to an inner cavity of the supporting sleeve (15) and an inner cavity of the supporting sleeve (15) through a bearing in movable connection, a movable screw sleeve (13) is sleeved on the center of the surface of the movable screw rod (12) in a threaded manner, a cleaning plate (17) is fixedly connected to the bottom of the movable screw sleeve (13), flexible cleaning bristles (21) are fixedly connected to the surface of the bottom of the cleaning plate (17), a curved pipe (14) is arranged at the bottom of the left side surface of the hot water tank (3), one side, close to the hot water tank (3), of the curved pipe (14) penetrates through the cleaning plate (17) and the hot water tank (3) and extends to a conveying pipe (9) fixedly connected to the top of the right side of the hot water tank (3), the bottom of the conveying pipe (9) is fixedly communicated with the top of the inner cavity of the filtering tank (6), cleaning holes (20) are formed in the cleaning plate (17) in a penetrating mode, and bristles (19) are fixedly connected to the inner rings of the cleaning holes (20).

2. The device for recovering waste heat of a gas boiler or a direct-combustion engine according to claim 1, characterized in that: the positive surface of rose box (6) is inlayed and is had sealed chamber door (7), the sealed recess of T type has been seted up on the positive surface of rose box (6), the rear side on sealed chamber door (7) outer lane surface is for closely cooperating with the inner chamber of the sealed recess of T type, sealed chamber door (7) pass through screw thread location with the sealed recess of T type and are connected.

3. The device for recovering waste heat of a gas boiler or a direct-combustion engine according to claim 1, characterized in that: the inner chamber of rose box (6) is from last to down support ring board (26) and lower support ring board (25) on fixedly connected with in proper order, go up the top of support ring board (26) and lower support ring board (25) respectively fixedly connected with go up filter screen (23) and filter screen (24) down, the filter fineness of going up filter screen (23) is less than and the filter fineness of filter screen (24) down, the surface of going up filter screen (23) and lower filter screen (24) outer lane is for closely cooperating with the inner chamber of sealed chamber door (7).

4. The device for recovering waste heat of a gas boiler or a direct-combustion engine according to claim 1, characterized in that: the surface at the top of the hot water tank (3) is transversely provided with a limiting groove (11), the top of the movable screw sleeve (13) is fixedly connected with a limiting block (22), the surface of the limiting block (22) is in sliding contact with the inner cavity of the limiting groove (11), and the surface at the top of the movable screw sleeve (13) is in sliding contact with the top of the inner cavity of the hot water tank (3).

5. The device for recovering waste heat of a gas boiler or a direct-combustion engine according to claim 1, characterized in that: the two sides of the surface of the movable screw rod (12) are both sleeved with limit ring plates, the inner rings of the limit ring plates are in interference fit with the surface of the movable screw rod (12), and the threads on the surface of the movable screw rod (12) are arranged between the two limit ring plates.

6. The device for recovering waste heat of a gas boiler or a direct-combustion engine according to claim 1, characterized in that: the equal fixedly connected with quick-operation joint in left side of inlet tube (16) and outlet pipe (18), control valve is installed at the top of incrustation scale calandria (4).

7. The device for recovering waste heat of a gas boiler or a direct-combustion engine according to claim 1, characterized in that: the inner diameter of the cleaning hole (20) is larger than the outer diameter of the curved tube (14), and the inner side of the brush hair (19) is in contact with the surface of the outer ring of the curved tube (14).