CN214581187U

CN214581187U - Heat preservation device with preheating structure for boiler

Info

Publication number: CN214581187U
Application number: CN202120523839.9U
Authority: CN
Inventors: 叶珊
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-12
Filing date: 2021-03-12
Publication date: 2021-11-02
Anticipated expiration: 2031-03-12

Abstract

The utility model discloses a boiler is with heat preservation device who has preheating structure, through coal burning at the baffle top, heat the water in the pot body and produce steam, on the one hand, utilize the remaining heat of cinder to carry out preliminary preheating to the water in the water tank, on the other hand, when the water after preliminary preheating passes through the pipeline and carries the chimney pipe inner chamber, the remaining heat in the waste gas can preheat the water in the pipeline once more to the heat in waste residue and the waste gas has been utilized well, the heat utilization ratio of the coal that improves; the disc is driven to rotate by the motor, the disc drives the top end of the hinged transmission rod to do circular motion, the bottom of the transmission rod drives the hinged brush to do up-and-down reciprocating motion, and therefore filtered dust on the filter screen is brushed down and falls into the collection box continuously, waste gas is prevented from being directly discharged into the air to pollute the air, and the frequency of continuously cleaning or replacing the filter screen is reduced.

Description

Heat preservation device with preheating structure for boiler

Technical Field

The utility model relates to a heat preservation device technical field for the boiler, more specifically says that it relates to a heat preservation device that boiler was with having preheating structure.

Background

The boiler is an energy conversion device, the energy input to the boiler comprises chemical energy and electric energy in fuel, and the boiler outputs steam, high-temperature water or an organic heat carrier with certain heat energy; the boiler refers to a water container heated on fire, the furnace refers to a place for burning fuel, and the boiler comprises a boiler and a furnace; the hot water or steam generated in the boiler can directly provide heat energy for industrial production and people life, and can also be converted into mechanical energy through a steam power device, or the mechanical energy is converted into electric energy through a generator; the boiler for supplying hot water is called a hot water boiler, is mainly used for life, and has a small amount of application in industrial production.

At present in the steam boiler use, still use coal as main fuel, nevertheless discovery at the in-process that uses the boiler, waste gas and waste residue after most coal burning can directly be discharged into the external world, and still remain a large amount of heats in these waste gas and the waste residue, and waste gas directly discharges into in the outside air, can cause serious pollution to the air, simultaneously along with the continuous production of steam, need constantly to add hot water to the internal heat of pot, but in the existing boiler equipment, preheating device structure is more complicated, and can not be fine utilize waste gas, residual heat in the waste residue, for this reason, we provide a boiler with the heat preservation device who has preheating structure.

SUMMERY OF THE UTILITY MODEL

To the problem that exists, the utility model provides a boiler is with heat preservation device that has preheating structure has solved the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the present invention adopts the following technical solutions:

a heat preservation device with a preheating structure for a boiler comprises a box body, wherein a water tank is fixedly connected to the bottom of an inner cavity of the box body, a water inlet pipe is screwed on the left side wall of the water tank, and the left end of the water inlet pipe extends out of the box body; a submersible pump is fixedly connected in the inner cavity of the water tank, and a water outlet of the submersible pump is connected with a water outlet pipe in a threaded manner; a partition board is fixedly connected to the side wall of the inner cavity of the box body and positioned above the water tank, a through hole is formed in the left side of the partition board, and a plurality of connecting rods are fixedly connected between the front side wall and the rear side wall of the through hole; a ventilation door is hinged to the left side wall of the box body and positioned above the partition plate, a baffle is fixedly connected to the side wall of the inner cavity of the box body and positioned above the ventilation door, a through hole is formed in the center of the baffle and fixedly connected with a pot body, and the top of the pot body is fixedly connected with the top of the inner cavity of the box body; a steam delivery pipe is fixedly connected at the center of the top of the box body and is communicated with the inner cavity of the pot body;

a chimney pipe is fixedly connected to the right side wall of the box body and below the baffle, the chimney pipe is communicated with the inner cavity of the box body, the water outlet pipe extends out of the box body rightwards and is screwed with a control valve, the other end of the control valve is screwed with a heating pipe, the heating pipe extends upwards into the inner cavity of the chimney pipe, the other end of the heating pipe is screwed with a water delivery pipe, and the water delivery pipe is communicated with the inner cavity of the pot body; the other end of the chimney pipe is fixedly connected with a filtering component rightwards, and the right side wall of the filtering component is fixedly connected with waste gas treatment equipment;

the lateral wall just lies in the baffle top and articulates there is the combustion chamber door before the box, and lateral wall just lies in the baffle below and articulates there is the scarfing cinder door before the box.

Preferably, the filter assembly comprises a cleaning box, the cleaning box is fixedly connected with one exhaust end of the chimney pipe, a motor is fixedly connected to the top of the cleaning box, a disc is sleeved on the output end of the motor, a transmission rod is hinged to the edge of the right side wall of the disc, and the bottom of the transmission rod extends into the inner cavity of the cleaning box and is hinged to a brush; the cleaning box right side wall is equipped with the gas outlet and has cup jointed the filter screen, and the brush right side and the laminating of filter screen, cleaning box inner chamber bottom have been placed and have been collected the box, and cleaning box right side wall just is located and collects the box right side and articulates there is the deashing door.

Preferably, the heating pipe is in an inverted U shape, and the contact area between the heating pipe in the U shape and the waste gas of the chimney pipe can be increased, so that water in the heating pipe can absorb more heat.

Preferably, the chimney pipe is the shape of falling Z, and the chimney pipe of Z shape is convenient and the heating pipe cooperation, conveniently connects filter component simultaneously.

Preferably, a plurality of vent holes are arranged on the vent door, and the vent holes can increase the air inlet volume and enable coal to be combusted more fully.

Preferably, a rock wool felt is filled between the outer wall of the pot body and the side wall of the inner cavity of the box body, and the rock wool felt can play a role in heat preservation and reduce heat loss of hot water in the pot body.

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

1. the utility model discloses a coal burns at the baffle top, heat the water of pot internal and produce steam, on the one hand, can utilize the instrument to discharge the cinder after burning into the baffle bottom through the through-hole from the ventilation door, utilize the remaining heat of cinder to carry out preliminary preheating to the water in the water tank, on the other hand, when the water after preliminary preheating passes through the pipeline and carries the chimney pipe inner chamber, the remaining heat in the waste gas can preheat the water in the pipeline once more to fine utilization the heat in waste residue and the waste gas, the heat utilization ratio of the coal of improvement;

2. the utility model discloses be provided with filter assembly, rotate through the motor drive disc, the disc drives articulated transfer line top and is circular motion, and the bottom of transfer line drives articulated brush and is reciprocating motion from top to bottom to continuous brushing down the filterable dust on the filter screen and falling into and collecting the box, avoided waste gas directly to discharge into the air, contaminated air, and reduced the number of times of constantly clearing up or changing the filter screen.

Drawings

FIG. 1 is a schematic structural view of the apparatus;

FIG. 2 is a front view of the present device;

FIG. 3 is an enlarged view at A in FIG. 1;

fig. 4 is a schematic diagram of the cooperation of the motor, the disk, the transmission rod and the brush.

In the figure: 1-box body, 2-water tank, 3-water inlet pipe, 4-submersible pump, 5-water outlet pipe, 6-partition board, 7-through hole, 8-connecting rod, 9-ventilation door, 91-ventilation hole, 10-baffle, 11-pot body, 12-steam conveying pipe, 13-chimney pipe, 14-control valve, 15-heating pipe, 16-water conveying pipe, 17-filtering component, 171-cleaning box, 172-motor, 173-disc, 174-transmission rod, 175-brush, 176-filter screen, 177-collecting box, 178-ash cleaning door, 18-waste gas treatment equipment, 19-combustion chamber door, 20-slag cleaning door and 21-rock wool felt.

Detailed Description

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are combined with the following description to clearly and completely describe the technical solution in the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, the indicated orientation or positional relationship thereof 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 specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Moreover, the terms "first," "second," and "third," if any, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

With reference to fig. 1-4, the utility model provides a technical scheme, a heat preservation device with a preheating structure for a boiler, which comprises a box body 1, a water tank 2 is fixedly connected to the bottom of the inner cavity of the box body 1, a water inlet pipe 3 is screwed on the left side wall of the water tank 2, and the left end of the water inlet pipe 3 extends out of the box body 1; a submersible pump 4 is fixedly connected in the inner cavity of the water tank 2, and a water outlet pipe 5 is screwed at the water outlet of the submersible pump 4; a partition plate 6 is fixedly connected to the side wall of the inner cavity of the box body 1 and positioned above the water tank 2, a through hole 7 is formed in the left side of the partition plate 6, and a plurality of connecting rods 8 are fixedly connected between the front side wall and the rear side wall of the through hole 7; a ventilation door 9 is hinged to the left side wall of the box body 1 and positioned above the partition plate 6, a baffle plate 10 is fixedly connected to the side wall of the inner cavity of the box body 1 and positioned above the ventilation door 9, a through hole is formed in the center of the baffle plate 10 and fixedly connected with a pot body 11, and the top of the pot body 11 is fixedly connected with the top of the inner cavity of the box body 1; a steam conveying pipe 12 is fixedly connected at the center of the top of the box body 1, and the steam conveying pipe 12 is communicated with the inner cavity of the pot body 11;

a chimney pipe 13 is fixedly connected to the right side wall of the box body 1 and below the baffle 10, the chimney pipe 13 is communicated with the inner cavity of the box body 1, the water outlet pipe 5 extends out of the box body 1 rightwards and is in threaded connection with a control valve 14, the other end of the control valve 14 is in threaded connection with a heating pipe 15, the heating pipe 15 extends upwards into the inner cavity of the chimney pipe 13, the other end of the heating pipe 15 is in threaded connection with a water delivery pipe 16, and the water delivery pipe 16 is communicated with the inner cavity of the pot body 11; the other end of the chimney pipe 13 is fixedly connected with a filtering component 17 rightwards, and the right side wall of the filtering component 17 is fixedly connected with a waste gas treatment device 18;

the front side wall of the box body 1 is hinged with a combustion chamber door 19 above the clapboard 6, and the front side wall of the box body 1 is hinged with a slag removing door 20 below the clapboard 6.

The filter assembly 17 comprises a cleaning box 171, the cleaning box 171 is fixedly connected with one exhaust end of the chimney 13, the top of the cleaning box 171 is fixedly connected with a motor 172, the output end of the motor 172 is sleeved with a disc 173, the edge of the right side wall of the disc 173 is hinged with a transmission rod 174, and the bottom of the transmission rod 174 extends into the inner cavity of the cleaning box 171 and is hinged with a brush 175; the cleaning box 171 right side wall is equipped with the gas outlet and has cup jointed filter screen 176, and brush 175 right side and filter screen 176 laminating have been placed collection box 177 in cleaning box 171 inner chamber bottom, and cleaning box 171 right side wall just is located and collects that box 177 right side articulates there is deashing door 178.

The heating pipe 15 is in an inverted U shape, and the U-shaped heating pipe 15 can increase the contact area with the waste gas of the chimney 13, so that water in the heating pipe 15 can absorb more heat.

Wherein, chimney pipe 13 is the shape of falling Z, and Z's chimney pipe 13 conveniently cooperates with heating pipe 15, conveniently connects filter assembly 17 simultaneously.

Wherein, be equipped with a plurality of ventilation holes 91 on the ventilation door 9, ventilation hole 91 can increase the intake, can make coal burning more abundant.

Wherein, the rock wool felt 21 is filled between the outer wall of the pot body 11 and the side wall of the inner cavity of the box body 1, and the rock wool felt 21 can play a role in heat preservation and reduce the heat loss of hot water in the pot body 11.

One specific application of this embodiment is:

when the device is used, the submersible pump 4 is started to inject water in the water tank 2 into the inner cavity of the pot body 11, water injection is finished, the submersible pump 4 and the control valve 14 are closed, then coal is conveyed to the top of the partition plate 6 through the combustion chamber door 19 and ignited, meanwhile, the motor 172 is started, the coal is combusted to release heat, the water in the inner cavity of the pot body 11 is heated through the pot body 11, coal slag is generated after the coal is combusted along with the combustion of the coal and the generation of steam, the water in the pot body 11 is continuously reduced, the combusted coal slag is discharged into a cavity below the partition plate 6 through the through hole 7 by using a tool from the ventilation door 9, the coal slag is accumulated around the water tank 2, the water in the water tank 2 is preliminarily preheated by the heat of the coal slag, then the submersible pump 4 is started to open the control valve 14, the preheated water in the water tank 2 primarily enters the inner cavity of the pot body 11 through the water outlet pipe 4, the heating pipe 15 and the water conveying pipe 16, supplementing water into the pot body 11, when the initially preheated water passes through the inner cavity of the chimney pipe 13, heat is remained in the waste gas in the inner cavity of the chimney pipe 13, and the heat can preheat the water in the heating pipe 15 again to improve the temperature of the water, so that the heat in the waste residue and the waste gas is well utilized, and the heat utilization rate of the coal is improved;

coal burning produces a large amount of flue gas and smoke dust, main pollutant has dirt in the flue gas, sulfur dioxide, nitrogen oxide, carbon monoxide etc, when the waste gas in chimney pipe 13 passes through filter screen 176, dust and other particulate matters in the waste gas can be adsorbed by filter screen 176, motor 172 rotates and then drives disc 173 and rotate, disc 173 drives articulated transfer line 174 top and is circular motion, the bottom of transfer line 174 drives articulated brush 175 and does up-and-down reciprocating motion, thereby continuous brush down the filterable dust on filter screen 176 and fall into in collecting box 177, avoided the direct air of emiting into of waste gas, air pollution, and the number of times of constantly clearing up or changing the filter screen has been reduced, waste gas treatment equipment 18 can continue to handle the harmful substance in the waste gas simultaneously, prevent waste gas pollution environment.

The electric elements adopted by the patent are all sold in the market, and the specific structure and the control mode are not repeated in the specification.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A heat preservation device with a preheating structure for a boiler comprises a box body (1) and is characterized in that the bottom of an inner cavity of the box body (1) is connected with a water tank (2), the left side wall of the water tank (2) is connected with a water inlet pipe (3), and the left end of the water inlet pipe (3) extends out of the box body (1); the inner cavity of the water tank (2) is connected with a submersible pump (4), and the water outlet of the submersible pump (4) is connected with a water outlet pipe (5); a partition plate (6) is connected to the side wall of the inner cavity of the box body (1) and positioned above the water tank (2), a through hole (7) is formed in the left side of the partition plate (6), and a plurality of connecting rods (8) are connected between the front side wall and the rear side wall of the through hole (7); a ventilation door (9) is connected to the left side wall of the box body (1) and positioned above the partition plate (6), a baffle (10) is connected to the side wall of the inner cavity of the box body (1) and positioned above the ventilation door (9), a through hole is formed in the center of the baffle (10) and connected with a pot body (11), and the top of the pot body (11) is connected with the top of the inner cavity of the box body (1); the center of the top of the box body (1) is connected with a steam conveying pipe (12), and the steam conveying pipe (12) is communicated with the inner cavity of the pot body (11);

a chimney pipe (13) is connected to the right side wall of the box body (1) and is positioned below the baffle (10), and the chimney pipe (13) is communicated with the inner cavity of the box body (1); the water outlet pipe (5) extends out of the box body (1) rightwards and is connected with a control valve (14), the other end of the control valve (14) is connected with a heating pipe (15), the heating pipe (15) extends upwards into the inner cavity of the chimney pipe (13), the other end of the heating pipe (15) is connected with a water delivery pipe (16), and the water delivery pipe (16) is communicated with the inner cavity of the pot body (11); the other end of the chimney pipe (13) is connected with a filtering component (17) rightwards, and the right side wall of the filtering component (17) is connected with a waste gas treatment device (18);

the side wall just is located baffle (6) top and is connected with combustion chamber door (19) before box (1), and the side wall just is located baffle (6) below and is connected with slag removal door (20) before box (1).

2. The insulation apparatus for a boiler having a preheating structure according to claim 1, wherein: the filter assembly (17) comprises a cleaning box (171), the cleaning box (171) is connected with one exhaust end of the chimney pipe (13), the top of the cleaning box (171) is connected with a motor (172), the output end of the motor (172) is connected with a disc (173), the edge of the right side wall of the disc (173) is connected with a transmission rod (174), and the bottom of the transmission rod (174) extends into the inner cavity of the cleaning box (171) and is connected with a brush (175); the cleaning box (171) right side wall is equipped with the gas outlet and is connected with filter screen (176), and brush (175) right side and filter screen (176) laminating have been placed collection box (177) bottom cleaning box (171) inner chamber, and cleaning box (171) right side wall just is located collection box (177) right side and is connected with deashing door (178).

3. The insulation apparatus for a boiler having a preheating structure according to claim 1, wherein: the heating pipe (15) is in an inverted U shape.

4. The insulation apparatus for a boiler having a preheating structure according to claim 1, wherein: the chimney pipe (13) is in an inverted Z shape.

5. The insulation apparatus for a boiler having a preheating structure according to claim 1, wherein: a plurality of vent holes (91) are arranged on the vent door (9).

6. The insulation apparatus for a boiler having a preheating structure according to claim 1, wherein: rock wool felt (21) is filled between the outer wall of the pot body (11) and the side wall of the inner cavity of the box body (1).