CN216131913U

CN216131913U - Novel platen superheater for boiler

Info

Publication number: CN216131913U
Application number: CN202121011013.0U
Authority: CN
Inventors: 王培晓; 王辉; 焦志轩; 吕庆杰; 郜世军
Original assignee: Xinxiang Huineng Yuyuan Power Generation Co ltd
Current assignee: Xinxiang Huineng Yuyuan Power Generation Co ltd
Priority date: 2021-05-12
Filing date: 2021-05-12
Publication date: 2022-03-25
Anticipated expiration: 2031-05-12

Abstract

The utility model discloses a novel platen superheater for a boiler, and relates to the technical field of biological power generation. The utility model comprises a heat exchange mechanism and two ash removal devices, wherein the heat exchange mechanism comprises a screen type superheater body, the ash removal devices comprise two air cannons and soot blowers, and the two ash removal devices are fixed on two sides of the top of the heat exchange mechanism. According to the novel screen type superheater for the boiler, the fixing plate is fixed at a proper position along the threaded hole by using the fastening bolt, the position of the air cannon is fixed by matching the connecting block and the fixing plate, the soot blower and the air cannon are connected and fixed by the fixing rod, the air cannon works to drive air to remove soot inside the screen type superheater body along the first air passing pipe, and then the soot blower enables the air to remove the soot between the screen type superheater bodies along the second air passing pipe, so that the novel screen type superheater for the boiler is enabled to increase the operation stability of the boiler and is convenient to fix.

Description

Novel platen superheater for boiler

Technical Field

The utility model belongs to the technical field of biological power generation, and particularly relates to a novel platen superheater for a boiler.

Background

The screen superheater is usually also called a semi-radiation superheater and is a heating surface which is arranged on the upper part of a hearth or at a smoke window at the outlet of the hearth, not only receives direct radiation heat in the furnace, but also absorbs convection heat of smoke, a large distance is kept between two adjacent screens of the screen superheater, so that the effects of reducing the temperature of the smoke at the outlet of the hearth and slag condensation can be achieved, the slag bonding of the rear heating surface is prevented, the screen superheater can be applied to a biomass boiler using furfural slag as a raw material, and the defects still exist in the practical use process:

1. during the long-period operation of a biomass boiler taking furfural residues as raw materials, the screen superheater has the phenomenon of dust accumulation, and the existing boiler uses the novel screen superheater and cannot clear the dust accumulation, so that the heat exchange efficiency of the boiler is reduced, and the operation stability of the boiler is further influenced;

2. need fix in platen superheater uses, current boiler is with novel platen superheater can't cooperate other devices to fix to lead to comparatively troublesome when fixed.

Therefore, the existing new platen superheater for boiler can not meet the requirement in practical use, so that the market urgently needs improved technology to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel platen superheater for a boiler, which is characterized in that a fixing plate is fixed at a proper position along a threaded hole by utilizing a fastening bolt, then the position of an air cannon is fixed by matching a connecting block and the fixing plate, then a soot blower and the air cannon are connected and fixed by a fixing rod, the air cannon works to drive air to remove accumulated soot inside a platen superheater body along a first air passing pipe, and then the soot blower enables the air to remove the accumulated soot between the platen superheater bodies along a second air passing pipe, so that the novel platen superheater for the boiler is increased in operation stability and convenient to fix.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a novel screen type superheater for a boiler, which comprises a heat exchange mechanism and two ash removal devices, wherein the heat exchange mechanism comprises a screen type superheater body, each ash removal device comprises two air cannons and two ash blowers, the two ash removal devices are fixed on two sides of the top of the heat exchange mechanism, the screen type superheater body is convenient for heat exchange and cooling of the boiler, and the air cannons and the ash blowers are convenient for clearing accumulated ash from the screen type superheater body.

Further, solid fixed ring has been linked firmly in platen superheater body top middle part, and platen superheater body top has linked firmly two connecting rods about its vertical central line symmetry, two joint mouths have been seted up about its vertical central line symmetry in platen superheater body top one side, cooperate the boiler to connect fixed platen superheater body through solid fixed ring, increase the stability between the platen superheater body through the connecting rod, through joint mouth connecting tube.

Furthermore, two all link firmly first air passing pipe on the air bubble middle part outer cylinder face, and two first air passing pipe one end all are fixed in platen superheater body top and correspond position department, drive the air through air bubble work and clear away the deposition of platen superheater body inside along first air passing pipe.

Furthermore, the outer cylindrical surfaces at the bottoms of the two air cannons are rotatably connected with control valves, two ends of the two air cannons are symmetrically and fixedly connected with two connecting blocks about vertical central lines of the two air cannons, the power of the air cannons is controlled through the control valves, and the connecting blocks are fixed through the air cannons.

Further, four connecting block one end all has linked firmly the fixed plate, and four fixed plate surfaces all seted up two screw holes about its vertical central line symmetry, are fixed in suitable position to the fixed plate through utilizing fastening bolt along the screw hole, then use the position of air gun to fix through connecting block and fixed plate cooperation.

Furthermore, two fixing rods are symmetrically and fixedly connected to the middle of the soot blower about a vertical center line of the soot blower, one ends of the two fixing rods are fixedly connected to the middle of two air cannons at corresponding positions, a second air passing pipe is fixedly connected to the middle of one end of the soot blower, one end of the second air passing pipe is fixedly connected to the corresponding position at the top of the screen superheater body, dust deposition between the screen superheater bodies is removed through the soot blower along the second air passing pipe, and the soot blower and the air cannons are fixedly connected through the fixing rods.

The utility model has the following beneficial effects:

1. according to the novel screen type superheater for the boiler, the air cannon works to drive air to remove the accumulated dust in the screen type superheater body along the first air passing pipe, and then the soot blower enables the air to remove the accumulated dust between the screen type superheater bodies along the second air passing pipe, so that the novel screen type superheater for the boiler can remove the accumulated dust, the heat exchange efficiency of the boiler is improved, and the operation stability of the boiler is further improved.

2. According to the novel screen type superheater for the boiler, the fixing plate is fixed at a proper position along the threaded hole by using the fastening bolt, then the position of the air cannon is fixed by matching the connecting block and the fixing plate, and then the soot blower and the air cannon are connected and fixed by the fixing rod, so that the novel screen type superheater for the boiler can be fixed by matching with other devices, and the novel screen type superheater for the boiler is convenient to fix.

Of course, it is not necessary for any product in which the utility model is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

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

FIG. 2 is a schematic structural diagram of a heat exchange mechanism according to the present invention;

FIG. 3 is a schematic view of the back of the ash removal device of the present invention;

FIG. 4 is a schematic front view of the ash removal device of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

100. a heat exchange mechanism; 101. a platen superheater body; 102. a fixing ring; 103. a connecting rod; 104. a card interface; 200. a dust removal device; 201. an air cannon; 202. a first gas passing pipe; 203. a control valve; 204. connecting blocks; 205. a fixing plate; 206. a threaded hole; 207. a soot blower; 208. a second air passing pipe; 209. and (5) fixing the rod.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-4, the utility model relates to a novel platen superheater for a boiler, which comprises a heat exchange mechanism 100 and two ash removal devices 200, wherein the heat exchange mechanism 100 comprises a platen superheater body 101, the ash removal devices 200 comprise two air cannons 201 and ash blowers 207, the two ash removal devices 200 are fixed on two sides of the top of the heat exchange mechanism 100, the boiler is subjected to heat exchange and cooling through the platen superheater body 101, and accumulated ash is removed from the platen superheater body 101 through the air cannons 201 and the ash blowers 207.

Wherein as shown in fig. 2, fixed ring 102 has been linked firmly in the middle part of platen superheater body 101 top, and platen superheater body 101 top has linked firmly two connecting rods 103 about its vertical central line symmetry, and two joint mouths 104 have been seted up about its vertical central line symmetry in platen superheater body 101 top one side, through fixed ring 102 cooperation boiler connect fixed platen superheater body 101, increase the stability between platen superheater body 101 through connecting rod 103, through joint mouth 104 connecting tube.

As shown in fig. 2-4, the outer cylindrical surface of the middle part of each of the two air cannons 201 is fixedly connected with a first air passing pipe 202, one end of each of the two first air passing pipes 202 is fixed at a position corresponding to the top of the platen superheater body 101, the air cannons 201 work to drive air to remove accumulated dust inside the platen superheater body 101 along the first air passing pipe 202, the outer cylindrical surface of the bottom parts of the two air cannons 201 are rotatably connected with a control valve 203, two ends of each of the two air cannons 201 are symmetrically and fixedly connected with two connecting blocks 204 about the vertical central line thereof, the power of the air cannons 201 is controlled by the control valve 203, the connecting blocks 204 are fixed by the air cannons 201, one ends of the four connecting blocks 204 are fixedly connected with fixing plates 205, the surfaces of the four fixing plates 205 are symmetrically and provided with two threaded holes 206 about the vertical central line thereof, and the fixing plates 205 are fixed at proper positions along the threaded holes 206 by using fastening bolts, then, the position of the air cannon 201 is fixed by matching the connecting block 204 and the fixing plate 205, the middle part of the soot blower 207 is symmetrically and fixedly connected with two fixing rods 209 about the vertical central line of the soot blower, one ends of the two fixing rods 209 are fixed at the middle parts of the two air cannons 201 at corresponding positions, the middle part of one end of the soot blower 207 is fixedly connected with a second air passing pipe 208, one end of the second air passing pipe 208 is fixed at the corresponding position at the top of the platen superheater body 101, accumulated ash between the platen superheater bodies 101 is removed along the second air passing pipe 208 through the soot blower 207, and the soot blower 207 and the air cannon 201 are fixedly connected through the fixing rods 209.

The working principle is as follows:

the fixing plate 205 is fixed in a proper position along the threaded hole 206 by utilizing a fastening bolt, then the position of the air cannon 201 is fixed by using the connecting block 204 and the fixing plate 205 in a matching way, then the soot blower 207 and the air cannon 201 are fixedly connected through the fixing rod 209, when accumulated soot is removed, the air cannon 201 works to drive air to remove the accumulated soot inside the platen superheater body 101 along the first air passing pipe 202, and then the soot blower 207 enables the air to remove the accumulated soot between the platen superheater bodies 101 along the second air passing pipe 208.

The above are only preferred embodiments of the present invention, and the present invention is not limited thereto, and any modification, equivalent replacement, and improvement made to the technical solutions described in the above embodiments, and to some of the technical features thereof, are included in the scope of the present invention.

Claims

1. The utility model provides a novel platen superheater for boiler, includes heat transfer mechanism (100) and two ash removal devices (200), its characterized in that: the heat exchange mechanism (100) comprises a screen superheater body (101), the ash removal devices (200) comprise two air cannons (201) and soot blowers (207), the two ash removal devices (200) are fixed on two sides of the top of the heat exchange mechanism (100), the middle part of the top end of the screen superheater body (101) is fixedly connected with a fixing ring (102), the top of the screen superheater body (101) is symmetrically and fixedly connected with two connecting rods (103) about the vertical central line of the screen superheater body, one side of the top of the screen superheater body (101) is symmetrically provided with two clamping ports (104) about the vertical central line of the screen superheater body, the outer cylindrical surfaces of the middle parts of the two air cannons (201) are fixedly connected with first air passing pipes (202), one ends of the two first air passing pipes (202) are fixed at corresponding positions on the top of the screen superheater body (101), and the middle part of the soot blowers (207) is symmetrically and fixedly connected with two fixing rods (209) about the vertical central line of the soot blowers, and one ends of two fixing rods (209) are fixed in the middle parts of two air cannons (201) at corresponding positions, the middle part of one end of the soot blower (207) is fixedly connected with a second air passing pipe (208), and one end of the second air passing pipe (208) is fixed at a position corresponding to the top of the screen type superheater body (101).

2. The platen superheater for boiler as recited in claim 1, wherein a control valve (203) is rotatably connected to the bottom outer cylindrical surface of each of the two air cannons (201), and two connecting blocks (204) are symmetrically connected to both ends of each of the two air cannons (201) about a vertical center line thereof.

3. The platen superheater for boiler as claimed in claim 2, wherein each of four connecting blocks (204) has a fixed plate (205) attached to one end thereof, and two threaded holes (206) are symmetrically formed on the surface of each of the four fixed plates (205) about a vertical center line thereof.