CN201828022U

CN201828022U - Hot air boiler with organic heat carrier

Info

Publication number: CN201828022U
Application number: CN2010205487302U
Authority: CN
Inventors: 李守泉; 李平
Original assignee: SHANDONG SHENGWEI NEW POWER CO Ltd
Current assignee: SHANDONG SHENGWEI NEW POWER CO Ltd
Priority date: 2010-09-26
Filing date: 2010-09-26
Publication date: 2011-05-11
Anticipated expiration: 2020-09-26

Abstract

The utility model discloses a hot air boiler with an organic heat carrier, which comprises a hearth, two groups of coiled tube bundles and a steel frame arranged on the periphery of a boiler body. A boiler door is arranged at one end of the boiler body, a smoke outlet is dispensed at the other end of the boiler body, the wall of the boiler consists of refractory bricks, a thermal-insulation layer and an outer cover, a front arch and a rear arch are arranged inside the hearth, the coiled tube bundles are respectively communicated with a thermal-conducting oil inlet header and a thermal-conducting oil outlet header, an air chamber, a slag outlet and an air inlet are disposed below the hearth, feed inlets are obliquely disposed on two lateral surfaces of the hearth, a half partition wall is arranged in the middle of the hearth and fixedly connected with the bottom surface of the boiler body, a convection partition wall is disposed between one side of the partition wall and the lateral wall of the boiler body at the smoke outlet end so as to form two smoke channels, a half smoke gas partition wall is arranged between the two groups of coiled tube headers and fixedly connected with the top surface of the boiler body, outlets of the two smoke channels are respectively communicated with the smoke outlet, electric dampers are respectively arranged in the two smoke channels, and an electric damper is disposed on the smoke outlet. The hot air boiler solves the technical problems of short service life, energy source wastage, large occupied area and high equipment investment of the prior art.

Description

A kind of organic heat carrier hot air boiler

Technical field the utility model belongs to the boiler technology field, relates to a kind of organic heat carrier hot air boiler.

Background technology had both needed high temperature heat source at some industry, needed the low temperature hot blast again, and technological temperature requires high.Prior art has independent hot-blast stove and boiler of organic heat carrier, be the heating equipments of the independent control of two covers, because the intermittent operation characteristic of production technology, make two equipment frequent start-stops, cause service life of equipment weak point, energy waste, and area of mill site is big, equipment investment is big.

Utility model content the purpose of this utility model is to solve prior art to have weak point in service life, energy waste, floor space is big, equipment investment is big technical problem, and a kind of organic heat carrier hot air boiler is provided.

The utility model organic heat carrier hot air boiler, comprise burner hearth, two groups of snakelike tube banks, be located at body of heater steelframe on every side, one end of body of heater is provided with fire door, the other end is provided with outlet flue, furnace body wall is by refractory brick, heat-insulation layer and outsourcing constitute, before being provided with in the burner hearth, rear arch, two groups of snakelike tube banks are advanced with conduction oil respectively, outlet collection case is communicated with, be provided with air compartment and slag notch below the burner hearth, air compartment is provided with air inlet, the two sides that it is characterized in that burner hearth tilt to be provided with the sanding powder charging aperture respectively, the middle part of burner hearth is provided with the half partition wall of fixedlying connected with the body of heater bottom surface, be provided with the convection current partition wall between one side of partition wall and the sidewall of the furnace body of outlet flue end and form the twice flue, be provided with the half flue gas partition wall of fixedlying connected between two groups of snakelike tube banks with the body of heater end face, the port of export of twice flue is communicated with outlet flue respectively, is respectively equipped with MOD in the twice flue; Described outlet flue is provided with the moving air door of secondary wind-powered electricity generation.

Be provided with ash dropping hopper below the described twice flue.

Air outlet above the described air compartment is provided with blast cap.

The beneficial effects of the utility model are: solved prior art and frequently caused the technical problem that service life of equipment is short, cause energy waste by two firing equipments, independent control, start and stop.Two firing equipments are merged into one, both supplied high temperature heat source, again for wanting the low temperature hot blast.So not only reduce the space, workshop but also avoided frequent start and stop, prolonged the service life of equipment, also saved the energy.

Description of drawings Fig. 1 is the utility model structural representation;

Fig. 2 is the vertical view of Fig. 1;

Fig. 3 is the A-A profile among Fig. 1;

Fig. 4 is the B-B profile among Fig. 1.

Among the figure 1, steelframe 2, ash dropping hopper 3, air inlet 4, air compartment 5, fire door 6, outsourcing 7, face arch 8, rear arch 9, partition wall 10, heat-insulation layer 11, refractory brick 12, snakelike tube bank 13, flue gas partition wall 14, the first flue MOD 15, the moving air door 16 of secondary wind-powered electricity generation, the second flue MOD 17, outlet flue 18, sanding powder charging aperture 19, slag notch 20, blast cap 21, inlet header case 22, snakelike tube bank 23, convection current partition wall 24, outlet collection case 25, burner hearth

The specific embodiment is with reference to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the utility model comprises burner hearth 25, two groups of

snakelike tube banks

12,22, be located at body of heater steelframe 1 on every side, one end of body of heater is provided with fire door 5, the other end is provided with outlet flue 17, furnace body wall is by refractory brick 11, heat-insulation layer 10 and outsourcing 6 constitute, before being provided with in the burner hearth 25, rear arch 7,8, two groups of

snakelike tube banks

12,22 advance with conduction oil respectively,

outlet collection case

21,24 are communicated with, be provided with air compartment 4 and slag notch 19 below the burner hearth 25, air compartment 4 is provided with air inlet 3, the two sides of burner hearth 25 tilt to be provided with sanding powder charging aperture 18 respectively, the middle part of burner hearth 25 is provided with the half partition wall 9 of fixedlying connected with the body of heater bottom surface, be provided with convection current partition wall 23 between the sidewall of the furnace body of one side of partition wall 9 and outlet flue 17 ends and form the twice flue, two groups of snakelike tube banks 12, be provided with the half flue gas partition wall 13 of fixedlying connected between 22 with the body of heater end face, the port of export of twice flue is communicated with outlet flue 17 respectively, be respectively equipped with MOD 14 in the twice flue, 16, outlet flue 17 is provided with the moving air door 15 of secondary wind-powered electricity generation; Be provided with ash dropping hopper 2 below the twice flue; Air outlet above the air compartment 4 is provided with blast cap 20.

Operation principle of the present utility model: sanding powder fuel tilts to spray in the burner hearth of being made up of blast cap 20 and forward and backward arch 7,8 from sanding powder charging aperture 18, the burning required air enters air compartment 4 from air inlet 3, spray into burner hearth 25 uniformly by blast cap 20 again, the sanding powder fuel that enters burner hearth is suspended in burner hearth 25 internal combustion, and relatively large fuel such as timber can enter the burner hearth burning by fire door 5; Burner hearth 25 internal combustion ash completely can be discharged burner hearth by slag notch 19, high-temperature flue gas after the burning enters two exhaust gases passes being cut apart by flue gas partition wall 13 through the space of burner hearth partition wall 9 tops, the snakelike tube bank 12 of flue gas parallel baffled in first flue, as much as possible with the snakelike tube bank 12 of heat transferred, the exhaust steam after the release heat enters back-end ductwork from the first flue MOD 14 to flue gas through turnover under the stopping of flue gas partition wall 13; Flue gas in second flue directly enters the afterbody outlet flue through the second flue MOD 16, and the dust that precipitates in first and second flue is discharged boiler from ash dropping hopper 2.

The organic heat carrier medium externally enters from inlet header case 21 under the effect of circulating pump, uniform distribution is discharged from outlet collection case 24 after absorbing heat for snakelike tube bank in first flue then, heat delivery given used hot equipment, enter inlet header case 21 circulation that so goes round and begins again after heat exchange is finished again.

Enter the open degree control of the hot blast of first flue by the first flue MOD 14, the cigarette air quantity and the temperature that enter back-end ductwork are controlled jointly by the first flue MOD 14, the second flue MOD 16, the moving air door 15 of secondary wind-powered electricity generation.

Arrange in the utility model organic heat carrier hot air boiler burner hearth that blast cap makes the pulverized fuel of sanding powder class can burn more abundant; Chimney arch is formed heat gathering cover before and after being provided with, and improves fire box temperature, and the fuel that enters burner hearth inside can be burnt rapidly.Higher relatively in view of the temperature of first and second flue, its MOD adopts the heat-resistance stainless steel material and has wear-resisting heat insulation cast layer to improve its life-span.

Claims

1. organic heat carrier hot air boiler, comprise burner hearth, two groups of snakelike tube banks, be located at body of heater steelframe on every side, one end of body of heater is provided with fire door, the other end is provided with outlet flue, furnace body wall is by refractory brick, heat-insulation layer and outsourcing constitute, before being provided with in the burner hearth, rear arch, two groups of snakelike tube banks are advanced with conduction oil respectively, outlet collection case is communicated with, be provided with air compartment and slag notch below the burner hearth, air compartment is provided with air inlet, the two sides that it is characterized in that burner hearth tilt to be provided with the sanding powder charging aperture respectively, the middle part of burner hearth is provided with the half partition wall of fixedlying connected with the body of heater bottom surface, be provided with the convection current partition wall between one side of partition wall and the sidewall of the furnace body of outlet flue end and form the twice flue, be provided with the half flue gas partition wall of fixedlying connected between two groups of snakelike tube banks with the body of heater end face, the port of export of twice flue is communicated with outlet flue respectively, is respectively equipped with MOD in the twice flue; Described outlet flue is provided with the moving air door of secondary wind-powered electricity generation.

2. according to the described organic heat carrier hot air boiler of claim 1, it is characterized in that described twice flue below be provided with ash dropping hopper.

3. according to the described organic heat carrier hot air boiler of claim 1, it is characterized in that the air outlet above the described air compartment is provided with blast cap.