CN206618108U

CN206618108U - Vertical boiler

Info

Publication number: CN206618108U
Application number: CN201720125404.2U
Authority: CN
Inventors: 骆伟
Original assignee: Chengdu Wen Wen Boiler Equipment Manufacturing Co Ltd
Current assignee: Chengdu Wen Wen Boiler Equipment Manufacturing Co Ltd
Priority date: 2017-02-13
Filing date: 2017-02-13
Publication date: 2017-11-07
Anticipated expiration: 2027-02-13

Abstract

The utility model discloses a kind of vertical boiler, including boiler shell, inner bag is set in boiler shell, the surrounding of inner bag is equipped with aquaporin；Provided with the small vertical tube connected with aquaporin in inner bag；Inner bag upper end is provided with the first smoke pipe being connected with inner bag；Lower smoke box is provided with below inner bag；First smoke pipe is connected with lower smoke box；Upper smoke box is provided with above inner bag；Connected between lower smoke box and upper smoke box by the second smoke pipe；Aquaporin above inner bag is connected with big vertical tube；Big vertical tube is four and surrounds rectangle.The arrangement of small vertical tube in the utility model inner bag, layout can be increased, the vertical tube of the equivalent diameter quantity in inner bag is greatly increased, improve heating surface area, prevent the formation of incrustation scale, aquaporin is arranged at inner bag bottom, and the water layer of formation can make bottom heated also uniform, increase the utilization rate in space, 30% or so is saved compared with conventional boiler, and it is simple in construction, without increase water cooling equipment in addition, save the device space and equipment cost investment.

Description

Vertical boiler

Technical field

The utility model is related to heat-exchange apparatus, and in particular to a kind of available vertical three backhauls gas-fired boiler of various fuel Stove.

Background technology

Boiler is a kind of energy conversion, and the energy inputted to boiler has chemical energy, electric energy, high-temperature flue gas in fuel The form such as heat energy, and pass through boiler conversion, outwards steam, high-temperature water or organic heat carrier of the output with certain heat energy.Mesh The utilization of the preceding energy and the protection of environment, Main Natural Gas, coal gas, device in Gas, biogas are main fuel；But biomass fuel Expect, the boiler of the New-type fuel such as semi-coke is with also more and more extensive.

Existing vertical gas boiler generally realizes radiation heat transfer and heat convection using single backhaul or double return structures, always Body heat exchange efficiency is relatively low.In order to further improve heat exchange efficiency, occur in that increases remaining hot water in the prior art outside body of heater Then case by-product hot water or increase preheating water tank's preheating water enter technology boiled in boiler, the skill utilized to fume afterheat Art, to improve fuel availability；But so not only make device structure complicated, and heat utilization rate is low.Application No. CN201320135881.9 discloses vertical triple-pass gas boiler, but internal cooling vertical tube is transverse tube；Transverse tube is in housing Internal quantity layout is limited, and heated uneven, still can not reach that efficient heat energy is utilized.

Utility model content

In order to solve the deficiency of above-mentioned technology, the utility model proposes a kind of heating surface is big and be heated evenly, structure letter It is single, heat energy and space availability ratio, energy-efficient vertical boiler can be greatly improved.

To achieve these goals, the utility model is achieved through the following technical solutions：

Inner bag is set in a kind of vertical boiler, including boiler shell, boiler shell, and the surrounding of the inner bag is equipped with water and led to Road；Provided with the small vertical tube connected with the aquaporin in the inner bag；The inner bag upper end is provided with the be connected with the inner bag One smoke pipe；Lower smoke box is provided with below the inner bag；First smoke pipe is connected with the lower smoke box；Provided with upper above the inner bag Smoke box；Connected between the lower smoke box and the upper smoke box by the second smoke pipe；Aquaporin above the inner bag is connected with greatly Vertical tube；The big vertical tube is four and surrounds rectangle.

Further, the upper smoke box is connected with blast pipe on top；The blast pipe extends to hull outside.

Further, the small vertical tube is provided with many.

Further, it is provided with below the inner bag with being engaged to run through below housing into burner.

Further, the upper smoke box is circumferentially uniformly distributed above the inner bag；The lower smoke box is in the inner bag Lower section is circumferentially uniformly distributed.

Further, steam (vapor) outlet is provided with above the housing, the housing upper side is provided with water-level gauge.

Further, the upper smoke box and lower smoke box are equipped with ash removing opening.

Further, the housing bottom is provided with mud hole；The mud hole is connected with the inner bag.

Further, the water in the aquaporin is full of the 1/3 of the shell space.

Further, also circumferential arrangement is arranged around inner bag for first smoke pipe and the second smoke pipe.

The utility model vertical boiler, its advantage is：

(1) in inner bag small vertical tube arrangement, layout can be increased, the vertical tube of the equivalent diameter quantity in inner bag is increased greatly Plus, improve heating surface area.

(2) arrangement of vertical tube, can improve thermal effect.Due to vertical arrangement, incrustation scale is difficult to be formed, and is then flowed even if being formed with bottom Go out, prevent the formation of incrustation scale.

(3) aquaporin is arranged at inner bag bottom, and the water layer of formation can make bottom heated also uniform, increase the utilization rate in space, 30% or so is saved compared with conventional boiler.

(4) it is simple in construction, without increase water cooling equipment in addition, save the device space and equipment cost investment.

Brief description of the drawings

, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only It is some embodiments of the present utility model, for those of ordinary skill in the art, before creative labor is not paid Put, other accompanying drawings can also be obtained according to these accompanying drawings.

Fig. 1 is diagram of the present utility model of bowing；

Fig. 2 is the cross-sectional view along A-A in Fig. 1；

1- housings, 2- inner bags, 3- aquaporins, the small vertical tubes of 4-, the smoke pipes of 5- first, 6- lower smoke box, 7- upper smoke box, the cigarettes of 8- second Pipe, the big vertical tubes of 9-, 10- blast pipes, 11- enters burner, 12- steam (vapor) outlets, 13- water-level gauges, 14- ash removing openings, 15- mud holes.

Embodiment

The utility model is further described with reference to specific embodiment and accompanying drawing.

As depicted in figs. 1 and 2, including boiler shell 1 sets inner bag 2 in boiler shell 1 to a kind of vertical boiler, inner bag 2 Surrounding is equipped with aquaporin 3；Multiple small vertical tubes 4 connected with aquaporin 3 are provided with inner bag 2；The upper end of inner bag 2 is provided with and inner bag 2 First smoke pipe 5 of connection；The lower section of inner bag 2 is provided with lower smoke box 6；First smoke pipe 5 is connected with lower smoke box 6；The top of inner bag 2 is provided with upper cigarette Case 7；Connected between lower smoke box 6 and upper smoke box 7 by the second smoke pipe 8；Space is formed between upper smoke box 7, lower smoke box 6 and inner bag, This space is aquaporin 3, and water is distributed and circulated between aquaporin 3.The upper space of housing 1 is also aquaporin, and water is full of The 1/3 of the space of housing 1；Upper smoke box 7 is circumferentially uniformly distributed in the top of inner bag 2；First smoke pipe 5 and the second smoke pipe 8 are also in inner bag 2 Surrounding even circumferential arranged；Lower smoke box 6 is circumferentially uniformly distributed below inner bag 2；Aquaporin 3 above inner bag is connected with Big vertical tube 9；Big vertical tube 9 is four and surrounds rectangle；Upper smoke box 7 is connected with blast pipe 10 on top；Blast pipe 10 extends to shell Outside body 1, the lower section of inner bag 2 is engaged with the lower section of housing 1 through being provided with into burner 11, and the top of housing 1 is provided with steam (vapor) outlet 12, shell The upper side of body 1 is provided with water-level gauge 13, and upper smoke box 7 and lower smoke box 6 are equipped with ash removing opening 14, and the bottom of housing 1 is provided with mud hole 15； Mud hole 15 is connected with inner bag 2.

At work, flare is entered in inner bag 2 by entering burner 11, and the flue gas of formation of being burnt in inner bag 2 is from the first cigarette Pipe 5 comes out, and then is downwardly into lower smoke box 6, and enters upper smoke box 7 from lower smoke box 6 by the second smoke pipe 8, finally by exhaust Pipe 10 is discharged.And be each filled with aquaporin 3, small vertical tube 4 and the big vertical tube 9 being distributed in inner bag 2 and around inner bag 2 Water, flue gas heat can be fully absorbed to the timely cooling of flue gas, boiler thermal output can be made to reach 95% or so.And inner bag In impurity then excluded from mud hole 15, the fine impurities in smoke pipe are then excluded from ash removing opening 14.

The technical scheme that the utility model embodiment is provided is described in detail above, it is used herein specifically Individual example is set forth to the principle and embodiment of the utility model embodiment, and the explanation of above example is only applicable to side Assistant solves the principle of the utility model embodiment；Simultaneously for those of ordinary skill in the art, implement according to the utility model Example, will change, in summary, this specification content should not be construed as in embodiment and application To limitation of the present utility model.

Claims

1. a kind of vertical boiler, it is characterised in that：Including boiler shell (1), inner bag (2), its feature are set in boiler shell (1) It is：The surrounding of the inner bag (2) is equipped with aquaporin (3)；It is provided with what is connected with the aquaporin (3) in the inner bag (2) Small vertical tube (4)；Inner bag (2) upper end is provided with the first smoke pipe (5) being connected with the inner bag (2)；Set below the inner bag (2) There is lower smoke box (6)；First smoke pipe (5) is connected with the lower smoke box (6)；Upper smoke box (7) is provided with above the inner bag (2)； It is connected between the lower smoke box (6) and the upper smoke box (7) by the second smoke pipe (8)；Aquaporin above the inner bag (2) (3) it is connected with big vertical tube (9)；The big vertical tube (9) is four and surrounds rectangle.

2. vertical boiler according to claim 1, it is characterised in that：The upper smoke box (7) is connected with blast pipe on top (10)；It is outside that the blast pipe (10) extends to housing (1).

3. vertical boiler according to claim 2, it is characterised in that：The small vertical tube (4) is provided with many.

4. vertical boiler according to claim 3, it is characterised in that：With being engaged below housing (1) below the inner bag (2) Through provided with entering burner (11).

5. vertical boiler according to claim 4, it is characterised in that：The upper smoke box (7) is above the inner bag (2) along circle Week is uniformly distributed；The lower smoke box (6) is circumferentially uniformly distributed below the inner bag (2).

6. vertical boiler according to claim 5, it is characterised in that：Steam (vapor) outlet (12), institute are provided with above the housing (1) Housing (1) upper side is stated provided with water-level gauge (13).

7. vertical boiler according to claim 6, it is characterised in that：The upper smoke box (7) and lower smoke box (6) are equipped with deashing Hole (14).

8. vertical boiler according to claim 7, it is characterised in that：Housing (1) bottom is provided with mud hole (15)；It is described Mud hole (15) is connected with the inner bag (2).

9. vertical boiler according to claim 1, it is characterised in that：Water in the aquaporin (3) is full of the housing (1) The 1/3 of space.

10. vertical boiler according to claim 1, it is characterised in that：First smoke pipe (5) and the second smoke pipe (8) also exist Inner bag (2) surrounding even circumferential arranged.