CN2084179U

CN2084179U - Vertical boiler

Info

Publication number: CN2084179U
Application number: CN 91201613
Authority: CN
Inventors: 王生才
Original assignee: Individual
Current assignee: Individual
Priority date: 1991-01-26
Filing date: 1991-01-26
Publication date: 1991-09-04

Abstract

The utility model provides a vertical atmospheric hot-water boiler, and is suitable for the heating device of the water heating system. The utility model is composed of a boiler shell 1 and a boiler container 2. The cross section of the boiler shell 1 is quadrate, and the boiler container 2 is sleeved in the boiler shell 1. The interior of the boiler container 2 is provided with a plurality of rows of transverse water pipes 5. The transverse water pipes 5 are in longitudinally array, are alternately arranged and uniformly distributed, and tilts left and right. The lower part of the boiler container 2 is provided with a combustion chamber which is composed of a water wall pipe 13, a water cooling fire grate 14 which is composed of a plurality of water pipes, and a double-layer fire grate which is horizontally arranged and composed of a fixed grate 15 and carries out the inverse combustion. The utility model has the advantages of simple manufacturing technique, low cost, safe operation, large heat transfer area, high thermal efficiency, coal-fired saving and no pollution on the environment.

Description

Vertical boiler

The utility model provides a kind of vertical normal-pressure hot-water boiler, is applicable to the heating equipment in the water-heating system.

In prior art, the heating equipment of water-heating system all adopts the hot-water boiler of waterpipe type basically, and wherein heating load is less the vertical type water heater boiler of circular flue and many horizontal water tubes in mostly being greatly.This kind boiler manufacturing process more complicated, cost are higher, but its heat transfer area is less, and boiler itself is highly bigger, thereby have increased the difficulty of handle management and improved the capital cost of boiler room.And this type of boiler generally is single layer fixed fire grate, and it is complete inadequately to burn, fuel to leave out by mistake and fly ease loss bigger, so the higher while of the consumption of fuel is also polluted surrounding environment easily.

The purpose of this utility model provides a kind of shell cross section and is provided with the vertical normal-pressure hot-water boiler that the combustion chamber be made up of water pipe and double-layer grate can instead burn by the bottom of square flue and isometric horizontal water tube in being square.

The utility model provides a kind of vertical normal-pressure hot-water boiler, it is provided with its side of fire door ash door and its top of feed pipe return pipe blow-off pipe is housed vertical shell that water level meter and its top of logical air pipe be provided with impact tube is housed the flue that combustion chamber and fire grate is housed many horizontal water tube its underparts is housed is formed with being enclosed within its top in the shell by being installed in front, its underpart on the base substantially, it is characterized in that; A, its level cross-sectionn of described vertical shell ［ 1 ］ are square, are provided with lower furnace door ［ 9 ］ and upper furnace door ［ 10 ］ successively in the top of Hui Men ［ 8 ］ in its front lower; B, its level cross-sectionn of described flue ［ 2 ］ also are square, and the inside that it is enclosed within shell ［ 1 ］ maintains essentially identical water spacing betwixt and uses stay bolt ［ 4 ］ to be connected and fix, and its underpart is provided with combustion chamber and double-layer grate; C, described horizontal water tube ［ 5 ］ be by vertical in-line arrangement and the left and right sides, the top inner panel that is evenly arranged in flue ［ 2 ］ that is staggered on, all horizontal water tubes ［ 5 ］ should have and horizontal line between be no less than the same angle of inclination of 12 ° of angles at least, all should leave the gap of 50mm at least from top to bottom between the front and back inner panel of horizontal water tube of ragged edge ［ 5 ］ and flue ［ 2 ］; D, the described combustion chamber that is contained in the flue ［ 2 ］ be by the back high before low many waterwall tubes ［ 13 ］ be arranged in parallel and its tube gap between all connect into and be the arch side in the middle of the top and have each pipe row to be constituted apart from the waterwall tube ［ 13 ］ of flue ［ 2 ］ left and right sides inner panel certain distance with steel plate; The fire grate ［ 15 ］ that water-cooled grate ［ 14 ］ that low many water pipes that are arranged in parallel are formed before e, the back height of described double-layer grate by next-door neighbour's combustion chamber left and right sides waterwall tube ［ 13 ］ bottom and level are in its lower section installed is constituted.Its horizontal water tube ［ 5 ］, waterwall tube ［ 13 ］ and water-cooled grate ［ 14 ］ all use the seamless steel pipe manufacturing with a kind of specification, and fire grate ［ 15 ］ adopts the cast iron manufacturing.

The utility model compared with prior art, because flue ［ 2 ］ is square, all water pipes of its horizontal water tube, waterwall tube and water-cooled grate and fixed grate all can adopt same specification length and pattern respectively, easy to manufacture, technology is simple, comprise square flue all around the boiler in the more same circle footpath of its total heat conduction area of inner plate surface for big, the long-pending vertical boiler height of same hot side is reduced, the water level meter is also put short, be convenient to observe and handle, reduced boiler manufacturing cost and boiler room capital cost.Owing to adopt double-layer grate back to burn the forms of fuels burning fully, reduce and leave out by mistake loss and fly the ease loss, reduce the coal-fired consumption rate of the heat of producing and unlikely surrounding environment has been produced any pollution.Because the event of employing normal pressure is handled simple and easy and is guaranteed safety.

Accompanying drawing:

Fig. 1, vertical normal-pressure hot-water boiler longitudinal section (fore-and-aft direction)

Fig. 2, vertical normal-pressure hot-water boiler longitudinal section (left and right directions)

Parts title in the figure:

1, shell 2, flue 3, water outlet base 4, stay bolt 5, horizontal water tube 6, reinforcement 7, base 8, ash door 9, lower furnace door 10, upper furnace door 11, the hole 12 that sweeps up dust, impact tube 13, waterwall tube 14, water-cooled grate 15, fire grate 16, feedwater base 17, backwater base 18, blowdown base 19, water level meter 20, logical air pipe 21, hanger 22, end socket

An accompanying drawings specific embodiment of the present utility model: accompanying

drawing

1,2 are respectively a kind of front and back of minitype vertical type normal-pressure hot-water boiler of per hour caloric value 60000 kilocalories and the longitudinal section of left and right directions, go up wide 500 * 500 high 1200 vertical shell ［ 1 ］ that one group of welding is welded into respectively with thickness 6mm and 5mm normal carbon steel plate and wide 400 * 400 high 1000 flue ［ 2 ］ at thick about 8～10mm wide 600 * 600 square steel plate system bases ［ 7 ］, keep having an appointment 50mm water spacing therebetween, and between both relative platen surface, suitably arrange and install if in individual stay bolt ［ 4 ］.2 hangers ［ 21 ］ that on the end socket ［ 22 ］ of shell ［ 1 ］, are welded, and be shown in its periphery by accompanying drawing and weld respectively in water outlet base ［ 3 ］, feedwater base ［ 16 ］, backwater base ［ 17 ］, the logical air pipe ［ 20 ］ of blowdown base ［ 18 ］ and two groups of water levels ［ 19 ］ and 3～4 reinforcements ［ 6 ］.Also be welded through to flue ［ 2 ］ interior ash door ［ 8 ］, lower furnace door ［ 9 ］, upper furnace door ［ 10 ］, impact tube ［ 12 ］ and two holes that sweep up dust ［ 11 ］.Top in flue ［ 2 ］ is by vertical in-line arrangement and be staggered to be evenly arranged in some horizontal water tubes ［ 5 ］ are arranged on the inner panel of the left and right sides, the angle that all horizontal water tubes ［ 5 ］ are between that inclination is installed and horizontal line is no less than 12 °, need respectively leave the logical combustion gas gap of 50～60mm between the front and back inner panel of ragged edge horizontal water tube ［ 5 ］ and flue ［ 2 ］.And after its collar extension of flue ［ 2 ］ middle and lower part is located to be provided with many over against upper furnace door ［ 10 ］ high before the low waterwall tube ［ 13 ］ that is arranged in parallel crowd around and be its both sides of arch in the middle of the top of composition and have each pipe row to organize apart from the left and right sides waterwall tube ［ 13 ］ of the about 50mm of inner panel.Circumferential play between these three waterwall tubes is all with the synthetic shape combustion chamber of steel plate bar welding.The bottom of combustion chamber is equipped with the high preceding low water-cooled grate ［ 14 ］ that is arranged in parallel in many rows back, the about 20～25mm in gap between each comb, and it can use the bituminous coal about per kilogram low value caloric value 4000 kilocalories to burn thereon.The water pipe of all horizontal water tubes ［ 5 ］, waterwall tube ［ 13 ］ and water-cooled grate ［ 14 ］ all can adopt the seamless steel pipe of φ 51 * 3, carries out 2kgf/cm one time after the whole assembly weldings of boiler are finished ²The water pressure test.The fire grate made from common grey iron ［ 15 ］ also is installed below water-cooled grate ［ 14 ］, and it adopts horizontally disposed, can be in order to the tiny ickings that burns away and leave out by mistake by in water-cooled grate ［ 14 ］ gap.Because the coal-fired twice combustion that carried out on double-layer grate, so burning is more complete, combustion gas is repeatedly transmitted heat between through the circuitous anti-burning of water-cooled grate ［ 15 ］ and by horizontal water tube ［ 5 ］ downwards, and heat transfer efficiency is higher, and coal consumption is lower.When using, boiler will fill clean cold water in the whole system by feedwater base ［ 16 ］ earlier, and till when making its water surface reach water level meter ［ 19 ］ centre position, utilize the centrifugal water pump in the piping to extract hot water out, and return the circulation that the lower warm water of used temperature forms water system through backwater base ［ 17 ］ from water outlet base ［ 3 ］.Its logical air pipe ［ 20 ］ can be guided to the outside, boiler room.When boiler combustion its ash door ［ 8 ］ should be in half-open respectively with upper furnace door ［ 10 ］ and full-gear with abundant supply fresh air, and lower furnace door ［ 9 ］ must be closed in order to avoid combustion gas escapes.Can add the warm water generally speaking reaches about 90 ℃ to water temperature and gets final product.The utility model generally can be by the per hour caloric value 10000 kilocalories design of every square metre of heat transfer area, but the multiple vertical normal-pressure hot-water boiler of several specifications such as design hour

caloric value

6,12,18,24,30,36,540,000 kilocalories is produced and the different requirement of life to satisfy usually.

Claims

1, a kind of vertical normal-pressure hot-water boiler, it is provided with its side of fire door ash door and its top of feed pipe return pipe blow-off pipe is housed vertical shell that water level meter and its top of logical air pipe be provided with impact tube is housed the flue that combustion chamber and fire grate is housed many horizontal water tube its underparts is housed is formed with being enclosed within its top in the shell by being installed in front, its underpart on the base substantially, it is characterized in that:

A, its level cross-sectionn of described vertical shell [1] are square, are provided with lower furnace door [9] and upper furnace door [10] successively in the top of Hui Men [8] in its front lower;

B, its level cross-sectionn of described flue [2] also are square, and the inside that it is enclosed within shell [1] maintains essentially identical water spacing betwixt and uses stay bolt [4] to be connected and fix, and its underpart is provided with combustion chamber and double-layer grate;

C, described horizontal water tube [5] be by vertical in-line arrangement and the left and right sides, the top inner panel that is evenly arranged in flue [2] that is staggered on, all horizontal water tubes [5] should have and horizontal line between be no less than the same angle of inclination of 12 ° of angles at least, all should leave the gap of 50mm at least from top to bottom between the front and back inner panel of horizontal water tube of ragged edge [5] and flue [2];

D, the described combustion chamber that is contained in the flue [2] be by the back high before low many waterwall tubes [13] be arranged in parallel and its tube gap between all connect into and be the arch side in the middle of the top and have each pipe row to be constituted apart from the waterwall tube [13] of flue [2] left and right sides inner panel certain distance with steel plate;

The fire grate [15] that water-cooled grate [14] that low many water pipes that are arranged in parallel are formed before e, the back height of described double-layer grate by next-door neighbour's combustion chamber left and right sides waterwall tube [13] bottom and level are in its lower section installed is constituted.

2, hot-water boiler according to claim 1 is characterized in that described horizontal water tube ［ 5 ］, waterwall tube ［ 13 ］ and water-cooled grate ［ 14 ］ all use the seamless steel pipe manufacturing with a kind of specification, and fire grate ［ 15 ］ adopts the cast iron manufacturing.