CN201110640Y

CN201110640Y - Condensing type heating stove

Info

Publication number: CN201110640Y
Application number: CNU200720102790XU
Authority: CN
Inventors: 李江民
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-10-17
Filing date: 2007-10-17
Publication date: 2008-09-03
Anticipated expiration: 2017-10-17

Abstract

Disclosed is a condensing heating stove, which belongs to the heating stove technical field and is used for realizing the purpose of scientifically and effectively utilizing flue gas energy. The utility model comprises a furnace cavity, a heat exchanger which is located at the upper portion of the furnace cavity and a flue gas path, after being improved, the top of the heat exchanger is added with a condensing heat exchanger formed by symmetrical semi-circular rings and a smoke and fire tube which is in the semi-circular rings, a front smoke outlet and a rear smoke outlet are remained between the symmetrical semi-circular rings, a water inlet and a water outlet on the semi-circular rings body are communicated with the bottom and the top of the heat exchanger, and the two ends of the smoke and fire tube is communicated with the front smoke outlet and the rear smoke outlet. The condensing heat exchanger can absorb cooling latent heat contained by water vapor in smoke, which not only can transmit most of sensible heat in the smoke to water or steam, but also can absorb vaporization latent heat released by condensed water vapor in the smoke. Even if working under non-condensing mode, the condensing heating stove has heat efficiency which is higher than the common heating stove, further, the condensing heating stove can largely reduce exhaust gas temperature because of sufficiently recovering of smoke heat energy, thereby preventing discharging black smoke, reducing pollution to environments, and obtaining relatively fine energy conservation and emission reduction efficiency. The condensing heating stove is suitable to be used as heating stoves and scouring bath stoves in hotels, schools, hospitals and the like.

Description

The mix condensing heating stove

Technical field

The utility model relates to heating stove, especially domestic heating stove, belongs to the heating stove technical field.

Background technology

Existing heating stove, basic structure is for having burner hearth, flue, heat exchanger, and heat exchanger is a water-jacket typ, is placed on the burner hearth double as upper furnace thorax wall.For making full use of energy heat energy, in flue, set up honeycomb or tubular heat exchanger usually, and improve the utilization rate of cigarette energy with the tail length that prolongs honeycomb or tubulation.Studies show that the flow process of flue gas is long more, temperature drop is big more, heat the suspicion that has afterbody heat energy to be siphoned away on the contrary not only bad for insulation by the lower temperature flue gas.Facts have proved that the act that prolongs honeycomb or tubulation tail length is not the approach of rational and efficient use flue gas heat energy, also should seek to open up the more scientific and reasonable new way of effectively utilizing the cigarette energy.

Summary of the invention

The purpose of this utility model provides a kind of mix condensing heating stove, and scientificlly and effectively to utilize the cigarette energy, improving cigarette can utilization rate.

The alleged problem of the utility model realizes with following technical scheme:

A kind of mix condensing heating stove, heat exchanger and flue that burner hearth, upper furnace are arranged in the formation, be improved to, top periphery at heat exchanger increases condensing heat exchanger, condensing heat exchanger is made up of the semicircular ring of symmetry and interior pyrotechnics pipe thereof, leave forward and backward mouth between the symmetry semicircular ring, the entery and delivery port on the ring body is connected with the bottom of heat exchanger, top, and the two ends of pyrotechnics pipe communicate with forward and backward mouth.

Above-mentioned mix condensing heating stove, described heat exchanger is made up of upper ring cap, following ring set and base ring cover, be connected by the short vertical tube that is intervally arranged between the upper and lower ring set, be connected by the long vertical tube that is intervally arranged between following ring set and the base ring cover, the water inlet on the described ring body by water inlet pipe be connected with the base ring cover, delivery port is connected with upper ring cap by horizontal short tube.

Above-mentioned mix condensing heating stove, described pyrotechnics pipe is divided into upper and lower group, be provided with retaining cigarette bent plate in following group with between the termination that communicates of mouth, back, the two ends of level board wherein are connected with the end face wallboard of semicircular ring between upper and lower group, vertical plate is connected with the external annulus of semicircular ring.

Above-mentioned mix condensing heating stove, the cross section of described semicircular ring are rectangle, the described upper and lower group of rectangular array arrangement of pyrotechnics pipe.

Above-mentioned mix condensing heating stove, set up the horizontal flue heat exchanger on the described flue, the inside and outside flue during it constitutes communicates by many smoke pipes, and inner flue is around flue and be attached thereto logical, the top of heat exchanger has outlet pipe, bottom to be connected with heat exchanger by pipeline, is provided with the keying valve in the flue.

The utlity model has following characteristics:

1. the condensing heat exchanger set up of heat exchanger periphery can absorb the contained coldization latent heat of steam from cigarette vapour, can not only be with most of sensible heat transfer feedwater or steam in the cigarette vapour, but also discharge the latent heat of vaporization after having absorbed water vapor condensation in the cigarette vapour, even under the non-condensing pattern, work, still has the thermal efficiency that is higher than conventional heating stove;

2. can reduce exhaust gas temperature significantly because of the abundant recovery of cigarette vapour heat energy, thereby prevent to discharge black smoke, reduce pollution to greatest extent, obtain comparatively desirable energy-saving and emission-reduction benefit environment;

3. can form double-deck burner when heat exchanger adopts upper and lower ring set structure, strengthen the baking dynamics, improve the exchange capability of heat of condensing heat exchanger;

4. the arrangement form of the shape of cross section of the semi-annular shape shell of condensing heat exchanger and pyrotechnics pipe and quantity can be prepared flexibly according to user demand, can make things convenient for the expansion heat-transfer surface as required, can prolong cigarette steam flow journey by upper and lower group of pyrotechnics pipe and being provided with of retaining cigarette bent plate, improve heat exchange efficiency;

5. after setting up the horizontal flue heat exchanger again on the body of heater flue, carry out the heat exchange second time through the aqueous medium of smoke evacuation in this horizontal proliferation circulation and body that condensing heat exchanger once reclaims, can reclaim waste heat in the flue gas to greatest extent, improve the utility model thermal efficiency;

6. can carry out the switching of work or resting state by the keying valve in the flue easily to the horizontal flue heat exchanger, improve ease of use;

The utility model can drop to exhaust gas temperature 70 ℃～80 ℃, the thermal efficiency of heating stove can be brought up to 70%～85% by 16.8%～25%, one time stoking can be kept 24 hours, can keep constant-temperature effluent, temperature fluctuation is little, and suitable heating as dwelling house, hotel, school, hospital etc., bathing stove and accessory use.

Description of drawings

Fig. 1 is the utility model structural representation;

Fig. 2 is the schematic top plan view of Fig. 1;

Fig. 3 is the vertical view that is provided with retaining cigarette bent plate in the mouth 7 of back;

Fig. 4 is the B-B cutaway view of Fig. 3;

Fig. 5 is the A-A cutaway view of Fig. 4.

The parts label is respectively in the accompanying drawing: ring set, 10-base ring cover, the short vertical tube of 11-, the long vertical tube of 12-, 13-water inlet pipe, the horizontal short tube of 14-, 15-horizontal flue heat exchanger, 16-inner flue, 17-external flue, 18-smoke pipe, 19-outlet pipe, 20-keying valve, 21-level board, 22-vertical plate under mouth, 8-upper ring cap, the 9-behind mouth, the 7-before the 1-burner hearth, 2-heat exchanger, 3-flue, 4-semicircular ring, 5-pyrotechnics pipe, 6-.

The specific embodiment

Consult Fig. 1,2.Of the present utility modelly mainly be improved to, increase condensing heat exchanger in the top periphery of water-jacket typ heat exchanger 2.Condensing heat exchanger be the symmetry sealing semicircular ring 4, two symmetric bodies between leave forward and backward mouth 6,7.Back mouth 7 corresponding body of heater flues 3 also are attached thereto logical.Levels pyrotechnics pipe 5 of arc circle and semicircular ring 4 couplings of arranging in each semicircular ring 4, the two ends of each pyrotechnics pipe 5 are fixed on the end housing wall of semicircular ring 4 and communicate with forward and backward

mouth

6,7 respectively.Entery and delivery port on each semicircular ring 4 is connected with the top and the bottom of heat exchanger 2 respectively.During heating stove work, but direct baking was around its symmetry sealing semicircular ring 4 after the high temperature pyrotechnics in the burner hearth was come out by the top of the heat exchanger 2 of double as fire door, the high temperature cigarette is entered in each pyrotechnics pipe 5 in two semicircular ring 4 by preceding mouth 6, in pyrotechnics pipe 5, carry out heat exchange with the aqueous medium that seals in the semicircular ring 4, higher temperature hot water after the intensification enters the top of heat exchanger 2 through horizontal short tube 14, and the lower temperature backwater is replenished in the semicircular ring 4 that enters symmetry through water inlet pipe 13 by the bottom of heat exchanger 2.

Still consult Fig. 1,2.Water-jacket typ heat exchanger 2 can be made up of upper ring cap 8, following ring set 9 and base ring cover 10, forms double-deck burner.Be connected by the short vertical tube 11 that is intervally arranged between the upper and lower ring set, be connected by the long vertical tube 12 that is intervally arranged between following ring set 9 and the base ring cover 10.The semicircular ring 4 of two symmetries is around double-deck burner periphery.

Consult Fig. 3,4,5.The quantity of pyrotechnics pipe 5 can be many in the symmetry semicircular ring 4, on can being divided into during for many, following group, be provided with retaining cigarette bent plate between the termination that communicates with back mouth 7 in following group, the two ends of level board 21 wherein and last, the end face wallboard of two semicircular ring 4 between following group connects, vertical plate 22 is connected with the external annulus of two semicircular ring 4, the outlet and the flue 3 of group pyrotechnics pipe 5 corresponding back mouths 7 are disconnected, the outlet of mouth 7 still communicates with flue 3` after last group of pyrotechnics pipe correspondence, at this moment, the translateral group down of the high temperature pyrotechnics at back mouth 7 places pyrotechnics pipe advances the preceding mouth 6 of people, again by preceding mouth 6 mouth 7 after last group of pyrotechnics pipe is back to, outwards discharge through flue 3 again, form the two of two-way prolongation stroke and circulate, can significantly improve the exchange capability of heat and the efficient of condensing heat exchanger.

Still consult Fig. 3,4,5.The cross section of two symmetrical semicircular ring 4 can be rectangle, circle etc., and illustrated embodiment is a rectangle, and the quantity of pyrotechnics pipe 5 is 8, and 8 pyrotechnics pipes 5 are arranged by the rectangular array of two of every row.Semicircular ring 4 can adopt materials such as ferritic stainless steel, Austriaization body stainless steel, aluminium alloy, and pyrotechnics pipe 5 can be stainless-steel thin-wall pipe etc.

Still consult Fig. 1,2.The utility model also can be set up horizontal flue heat exchanger 15 again in flue 3, be provided with inside and

outside flue

16,17 and horizontal smoke pipe 18 in it, inner flue 16 is around the flue in the body of heater 3 and be attached thereto logical, two external flues 17 are positioned at 15 liang of outsides of heat exchanger, form the heat exchange chamber of two sealings between the inside and outside flue, two heat exchange chambers bottom by pipeline be connected with heat exchanger 2, the outlet pipe 19 that is connected is arranged at the top.The smoke pipe 18 of arranging by many levels between the inside and

outside flue

16,17 is connected.Be provided with in the flue 3 and open and close valve 20, in the time of need utilizing horizontal flue heat exchanger 15 to absorb waste heat, close and open and close valve 20, smoke evacuation is discharged in the atmosphere by flue 3 behind the horizontal flue heat exchanger again, open in the time of need not absorbing waste heat and open and close valve 20, smoke evacuation directly is discharged in the atmosphere through flue 3.

Claims

1. mix condensing heating stove, heat exchanger [2] and flue [3] that burner hearth [1], upper furnace are arranged in the formation, it is characterized in that, top periphery at heat exchanger [2] increases condensing heat exchanger, condensing heat exchanger is made up of the semicircular ring [4] of symmetry and interior pyrotechnics pipe [5] thereof, leave forward and backward mouth [6], [7] between the symmetry semicircular ring [4], the entery and delivery port on the ring body is connected with bottom, the top of heat exchanger [2], and the two ends of pyrotechnics pipe [5] communicate with forward and backward mouth.

2. mix condensing heating stove according to claim 1, it is characterized in that, described heat exchanger [2] is made up of upper ring cap [8], following ring set [9] and base ring cover [10], be connected by the short vertical tube [11] that is intervally arranged between the upper and lower ring set, be connected by the long vertical tube [12] that is intervally arranged between following ring set and the base ring cover, the water inlet on the described ring body by water inlet pipe [13] be connected with base ring cover [10], delivery port is connected with upper ring cap [8] by horizontal short tube [14].

3. mix condensing heating stove according to claim 2, it is characterized in that, described pyrotechnics pipe [5] is divided into upper and lower group, be provided with retaining cigarette bent plate in following group with between the termination that communicates of back mouth [7], the two ends of level board wherein [21] are connected with the end face wallboard of semicircular ring [4] between upper and lower group, vertical plate [22] is connected with the external annulus of semicircular ring [4].

4. mix condensing heating stove according to claim 3 is characterized in that, the cross section of described semicircular ring [4] is a rectangle, the described upper and lower group of rectangular array arrangement of pyrotechnics pipe.

5. according to claim 1,2,3 or 4 described mix condensing heating stoves, it is characterized in that, set up horizontal flue heat exchanger [15] on the described flue [3], inside and outside flue [16], [17] during it constitutes communicate by many smoke pipes [18], inner flue [16] is around flue [3] and be attached thereto logical, the top of heat exchanger [15] has outlet pipe [19], bottom to be connected with heat exchanger [2] by pipeline, is provided with in the flue [3] to open and close valve [20].