CN202013015U - Vertical half gas positive burning heating boiler - Google Patents
Vertical half gas positive burning heating boiler Download PDFInfo
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- CN202013015U CN202013015U CN2011200808941U CN201120080894U CN202013015U CN 202013015 U CN202013015 U CN 202013015U CN 2011200808941 U CN2011200808941 U CN 2011200808941U CN 201120080894 U CN201120080894 U CN 201120080894U CN 202013015 U CN202013015 U CN 202013015U
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- burning
- primary combustion
- heating boiler
- coal gas
- dirt pocket
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Abstract
The utility model provides a vertical half gas positive burning heating boiler, comprising an outer cylindrical shell, an inner container and a water storing space. The inner container is divided into a primary combustion furnace disposed in a lower portion and a tube-bundle dust removing chamber disposed in an upper portion; the primary combustion furnace is provided with a grate at the bottom and an arc-shaped radiation furnace wall on one side of the top; a higher side of the arc-shaped radiation furnace wall is provided with a necking through hole; the primary combustion furnace side wall below the necking through hole is provided with a plurality of secondary automatic blast pipes which are connected to the outside of the furnace body; the top of the primary combustion furnace is connected with the rotational flow fire-resistant hole and accordingly connected with the tube-bundle dust removing chamber; and an upper portion of the tube-bundle dust removing chamber is provided with a chimney pipe base, which connects the controlling dust removing chamber and the outside of the boiler. The vertical half gas positive burning heating boiler has the advantages of low emission of smoke and strong adaptability to fuel, thereby being extensively applicable to industrial and civil heating.
Description
Technical field
The utility model relates to the boiler that a kind of heating, heat supply are used, particularly a kind of boiler that adopts vertical semi-coal gas just burning form.
Background technology
Owing to will satisfy the requirement of standard for boiler soot discharge, what the heating engineering was adopted in the market mostly is vertical water pipe fixed grate double-layer inverse burning coal-burning boiler, because bunker coal is the anti-burning state that ignites on the water pipe furnace grate of upper strata, so commonly have a following defective:
The first, upper strata water pipe furnace grate chamber temperature is low, and generally below 600 ℃, a large amount of coal tar and combustible fold at low temperatures and be attached on fire door and the hearth wall, influence boiler heat-transfer and exert oneself;
The second, the high-temperature flue gas transversal flow water pipe furnace grate that ignites in a large number, and the water pipe furnace grate inclination angle is less, incrustation scale very easily causes the boiler tube explosion in the boiler tube, jeopardizes boiler plant and stoker's personal security;
The 3rd, counter to burn the furnace system resistance big, owing to adopted water pipe furnace grate, fuel can only use lump coal.
Because existing boiler adopts anti-burning form, the problems referred to above can't solve fully.
Summary of the invention
The purpose of this utility model is: provide a kind of and vertically utilize the primary combustion burner hearth can carry out the secondary semi-coal gas just to burn the heating boiler, solve the prior art above shortcomings.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of vertical semi-coal gas is just burning the heating boiler, and it has the outer cylinder body of upright form, is provided with inner bag in this outer cylinder body, forms water space between outer cylinder body and the inner bag; It is characterized in that:
This inner bag is divided into the primary combustion burner hearth that is in the below and is in the tube bank dirt pocket of top, wherein:
The bottom of this primary combustion burner hearth is provided with fire grate, top one side of this primary combustion burner hearth is made as the arc that raises highly gradually, constitute an arc radiation furnace wall, the higher side in this arc radiation furnace wall is provided with a constriction through port that is connected with this tube bank dirt pocket with the position that the roof of this primary combustion burner hearth joins; On the upper portion side wall of this primary combustion burner hearth, also be provided with the automatic blast pipe of several secondaries that are communicated to this body of heater outside;
The bottom of this tube bank dirt pocket and this constriction through port join, thereby are connected with this primary zone, and the top of this tube bank dirt pocket is provided with Pipe saddle for chimney, and this Pipe saddle for chimney makes this tube bank dirt pocket be connected with the boiler outside.
In a preferable embodiment, this fire grate below is provided with ash collecting box, and this ash collecting box one side is provided with the shoot door that is communicated to the body of heater outside.
In a preferable embodiment, the fire grate of this primary combustion burner hearth top one side then is provided with the charge door fire door that is communicated to the body of heater outside.
In a preferable embodiment, this fire grate lower floor is provided with several cooling water pipes, and this cooling water pipe is connected with above-mentioned water space.
In a preferable embodiment, the automatic blast pipe of this secondary has an elevation angle from outside to inside, and each elevation angle is separately positioned between 20 ~ 40 degree.
In a preferable embodiment, at secondary air cover of the automatic blast pipe peripheral hardware of each secondary.
In a preferable embodiment, a horizontally disposed high temperature resistant flow-stopping plate is fixed on fire-resistant mouthful of top of this eddy flow by several supporting legs, has a vertical distance between the fire-resistant mouth of this high temperature resistant flow-stopping plate and this eddy flow.
In a preferable embodiment, this tube bank dirt pocket up has the expansion cervical part of esophagus that a horizontal sectional area increases gradually from this constriction through port.
In a preferable embodiment, this tube bank dirt pocket side above this high temperature resistant flow-stopping plate is provided with the observation window that a transparent material constitutes.
In a preferable embodiment, in this tube bank dirt pocket, also be provided with many convection tubes, the two ends of each root convection tube are connected with the both sides of this water space respectively, and the two ends line of each root convection tube with respect to the horizontal plane has 5 ~ 12 inclination angle respectively.
Compared with prior art, adopt the following advantage that the utlity model has of technique scheme.
1. the utility model is provided with arc radiation furnace wall 7, can be increased in the mixability of flue gas and secondary wind in the primary zone 21, thereby can realize the burning of upper furnace secondary semi-coal gas, to be applicable to pluralities of fuel.
2. to be provided with the upper strata in primary zone bottom be that fire grate 8 and lower floor are the composite construction of cooling tube 9 to the utility model, and both having made full use of near the heat that distributes the fire grate 8 is water space 16 heating, has avoided fire grate 8 scaling loss again, kills two birds with one stone.
3. the utility model is provided with the automatic blast pipe 13 of secondary, secondary air cover 12 and observation window 14, can provide an amount of oxygen to gas-fired according to combustion case, when improving efficiency of combustion, the loss that the heat of having avoided excessive air intake to cause is unnecessary.
4. the utility model also is provided with constriction through port 23 and resistant to elevated temperatures flow-stopping plate 15, to change flue gas flow direction speed, utilizes flue gas inertial separation principle, isolates soot dust granule, has significantly reduced the soot emissions pollution.
The utility model be provided with the arc radiation type of furnace＞in be lined with high temperature thermal insulation material, make temperature in the burner hearth not because of water storage reduces, guaranteed the stability of secondary semi-coal gas burning.
Description of drawings
Fig. 1 is the sectional structure chart that vertical semi-coal gas that the utility model provides is just burning the heating boiler.
The specific embodiment
The utility model is according to boiler completing combustion theory, temperature required, the oxygen of burning, space, mixing and the optimum condition of time are provided, create the vertical semi-coal gas of the present invention and just burnt the heating boiler, thereby realized bunker coal clean combustion in burner hearth.
Described a kind of vertical semi-coal gas is just burning the heating boiler, as shown in Figure 1:
It has the outer cylinder body 1 of upright form, is provided with inner bag 2 in this outer cylinder body 1, forms water space 16 between outer cylinder body 1 and the inner bag 2; This outer cylinder body 1 top is provided with the blower line 4 that is connected with this water space 16, is used for unnecessary discharge of steam in the water space 16 is gone out, and damages in order to avoid boiler pressure is excessive; These water space 16 tops are connected with a hot water outlet pipe 51, and the bottom is communicated with a blow-off pipe 52.
This inner bag 2 is divided into the primary combustion burner hearth 21 that is in the below again and is in the tube bank dirt pocket 22 of top, wherein:
The bottom of this primary combustion burner hearth 21 is provided with comb shape casting furnace grate 8, these fire grate 8 lower floors also are provided with several cooling water pipes 9, this cooling water pipe 9 is connected with above-mentioned water space 16, when heat being delivered in the water space 16 by this cooling water pipe 9, also reduce the temperature of fire grate 8, prevented grate overheating.
Fire grate 8 belows of this primary combustion burner hearth 21 are provided with ash collecting box 81, ash collecting box 81 1 sides are provided with the shoot door 10 that is communicated to the body of heater outside, this shoot door 10 also be the air inlet that oxygen enters this primary combustion burner hearth 21 except supplying to sweep the cigarette ash in the ash collecting box 81 simultaneously.
Fire grate 8 tops one side of this primary combustion burner hearth 21 then is provided with the charge door fire door 11 that is communicated to the body of heater outside, by this charge door fire door 11, the solid fuel coal can be added on the fire grate 8.
Top one side of this primary combustion burner hearth 21 is made as the arc that raises highly gradually, constitute an arc radiation furnace wall 7, these arc radiation furnace wall 7 higher sides are provided with a constriction through port 23 that is connected with this tube bank dirt pocket 22 with the position that the roof of this primary combustion burner hearth 21 joins.
When the bunker coal in this primary combustion burner hearth 21 burns, hot blast will upwards flow along this arc radiation furnace wall 7 and form eddy flow, and drive in the primary combustion burner hearth 21, and carry out the secondary semi-coal gas and burn because the coal gas that the oxygen that not clean-burning flue gas and secondary wind inleting tube come produces hands over upper furnace fully to mix one.
For the provide support oxygen of its burning of the coal gas that enters these primary combustion burner hearth 21 middle and upper parts to this, on the sidewall of the primary combustion burner hearth 21 below this constriction through port 23, also be provided with the automatic blast pipe 13 of several secondaries that are communicated to this body of heater outside.Owing to constantly upwards entered this secondary semi-coal gas burning from primary combustion burner hearth 21 by boiler chimney natural gravitation effect hot blast, make in this primary combustion burner hearth 21 and form negative pressure, air will enter in this primary combustion burner hearth 21 from the automatic blast pipe 13 of this secondary automatically, and enters this primary combustion burner hearth 21 tops participation burning with above-mentioned hot blast.Can also see that from Fig. 1 the automatic blast pipe 13 of this secondary has an elevation angle from outside to inside, each elevation angle can be arranged between 20 ~ 40 degree, is advisable with 30 degree.
In addition, in order to control the air quantity size of secondary air well, can also be at secondary air cover 12 of automatic blast pipe 13 peripheral hardwares of each secondary.
The bottom of this tube bank dirt pocket 22 has a hang plate 221, and the extreme lower position of this hang plate 221 and this constriction through port 23 join, and makes this tube bank dirt pocket 22 be connected with this primary zone 21.And this tube bank dirt pocket 22 up has one from this constriction through port 23 and expands cervical part of esophagus, and this horizontal sectional area that expands cervical part of esophagus paramountly increases gradually from low, makes to enter from this constriction through port 23 that air velocity reduces gradually in this tube bank dirt pocket 22.
A horizontally disposed high temperature resistant flow-stopping plate 15 is fixed on fire-resistant mouthful of 23 tops of this eddy flow by several supporting legs 151, and this is high temperature resistant to have a vertical distance between the fire-resistant mouth 23 of flow-stopping plate 15 and this eddy flow.
High-temperature flue gas rises, run into this high temperature resistant flow-stopping plate 15, will reduce flow velocity, around this high temperature resistant flow-stopping plate 15, enter this tube bank dirt pocket 22, and the small flue dust that comprises in the high-temperature flue gas is subjected to stopping of this high temperature resistant flow-stopping plate 15, falls after rise to this primary combustion burner hearth 21; And the high-temperature flue gas that enters in this tube bank dirt pocket 22 further obtains slowing down in this expansion cervical part of esophagus, the chronic separation of more small flue dust that comprises in the high-temperature flue gas, fall after rise to this primary combustion burner hearth 21 along this hang plate 221, in this primary combustion burner hearth 21, burnt subsequently or collected by this ash collecting box 81.
This tube bank dirt pocket 22 side above revolving high temperature resistant flow-stopping plate 15 is provided with the observation window 14 that a transparent material (as high temp glass) constitutes, and is used for observing the combustion case of coal gas, and adjusts the keying of secondary air cover 12 with this.
The top of this tube bank dirt pocket 22 is provided with Pipe saddle for chimney 3, and this Pipe saddle for chimney 3 makes this tube bank dirt pocket 22 be connected with the boiler outside.
In this tube bank dirt pocket 22, also be provided with many convection tubes 6, the two ends of each root convection tube 6 are connected with the both sides of this water space 16 respectively, and the two ends line of each root convection tube 6 with respect to the horizontal plane has 5 ~ 12 inclination angle (inclination angle with 8 is the best) respectively.By this convection tube 6, can enter the heat that comprises in the hot flue gas that flows in the tube bank dirt pocket 22 and be delivered to quickly in this water space 16 and go.Wherein: each convection tube 6 can be straight tube, also can be the bend pipe of band radian; The convection tube 6 of straight tube form can be arranged along the diametric(al) of the tube bank dirt pocket 22 of pipe shape, also can arrange along chord line; The convection tube 6 of each straight tube form can be arranged in parallel, also can the space interlaced arrangement.
When the utility model uses, open charge door fire door 11 earlier, fuel is shelved on this fire grate 8, open shoot door 10, air enters from boiler bottom shoot door 10, and fuel is lighted; After the normal combustion, air reduces through oxygen content behind the fuel bed, and regulate secondary air cover 12 this moment, makes secondary wind use the boiler suction function, enters 21 tops, primary zone automatically.High-temperature flue gas and secondary wind that primary combustion burner hearth 21 bottom fuel beds come out carry out the secondary gas-fired under the strong mixing of arc radiation furnace wall 7, can see the yellow flame that the coal gas second-time burning is produced in the primary zone 21 this moment in observation window 14, this flame one regards to the furnace wall of primary combustion burner hearth 21 and carries out radiation heating, one side continues to rise and passes constriction through port 23, and in high temperature baffle plate supporting leg gap, enter the tube bank dirt pocket 22, transversal flow is crossed convection tube 6 and is continued heat exchange, enters atmosphere after last Pipe saddle for chimney 3 passes.
As shown in the above, the utlity model has following advantage.
1. the utility model is provided with arc radiation furnace wall 7, can be increased in the mixability of flue gas and secondary wind in the primary zone 21, thereby can the recovery section waste heat, to be applicable to multiple solid fuel.
2. to be provided with the upper strata at the primary combustion burner hearth bottom be that fire grate 8 and lower floor are the composite construction of cooling tube 9 to the utility model, and both having made full use of near the heat that distributes the fire grate 8 is water space 16 heating, has avoided fire grate 8 high temperature to damage again, kills two birds with one stone.
3. the utility model is provided with the automatic blast pipe 13 of secondary, secondary air cover 12 and observation window 14, can provide an amount of oxygen to gas-fired according to combustion case, when improving efficiency of combustion, the loss that the heat of having avoided excessive air intake to cause is unnecessary.
4. the utility model also is provided with constriction through port 23 high temperature shelves stream plate 15, utilizes flue gas inertial separation principle, isolates soot dust granule, has significantly reduced the soot emissions pollution.
It is boiler making and the use test of 3.2MW that the present invention has finished capacity, burning coal-burning boiler with the double-deck anti-baking of the employed vertical water pipe fixed grate in existing market compares, it is little to have smoke discharge amount, and the advantage that fuel tolerance is wide can be widely applied among industry and the civil heating heat supply.
Above embodiment describes the utility model; but not do restrictive summary; those of ordinary skills are under the guidance of inventive concept of the present utility model; can also make modification and replacement on a lot of conventional structures, these are revised with replacement and also should be considered to belong among the protection domain of the present utility model.
Claims (10)
1. a vertical semi-coal gas is just burning the heating boiler, and it has the outer cylinder body of upright form, is provided with inner bag in this outer cylinder body, forms water space between outer cylinder body and the inner bag; It is characterized in that:
This inner bag is divided into the primary combustion burner hearth that is in the below and is in the tube bank dirt pocket of top, wherein:
The bottom of this primary combustion burner hearth is provided with fire grate, top one side of this primary combustion burner hearth is made as the arc that raises highly gradually, constitute an arc radiation furnace wall, the higher side in this arc radiation furnace wall is provided with a constriction through port that is connected with this tube bank dirt pocket with the position that the roof of this primary combustion burner hearth joins; On the upper portion side wall of this primary combustion burner hearth, also be provided with the automatic blast pipe of several secondaries that are communicated to this body of heater outside;
The bottom of this tube bank dirt pocket and this constriction through port join, thereby are connected with this primary zone, and the top of this tube bank dirt pocket is provided with Pipe saddle for chimney, and this Pipe saddle for chimney makes this tube bank dirt pocket be connected with the boiler outside.
2. vertical semi-coal gas according to claim 1 is just burning the heating boiler, it is characterized in that: this fire grate below is provided with ash collecting box, and this ash collecting box one side is provided with the shoot door that is communicated to the body of heater outside.
3. vertical semi-coal gas according to claim 1 is just burning the heating boiler, it is characterized in that: fire grate top one side of this primary combustion burner hearth then is provided with the charge door fire door that is communicated to the body of heater outside.
4. vertical semi-coal gas according to claim 1 is just burning the heating boiler, it is characterized in that: this fire grate lower floor is provided with several cooling water pipes, and this cooling water pipe is connected with above-mentioned water space.
5. vertical semi-coal gas according to claim 1 is just burning the heating boiler, it is characterized in that: the automatic blast pipe of this secondary has an elevation angle from outside to inside, and each elevation angle is separately positioned between 20 ~ 40 degree.
6. vertical according to claim 1 or 5 semi-coal gas is just burning the heating boiler, it is characterized in that: at secondary air cover of the automatic blast pipe peripheral hardware of each secondary.
7. vertical semi-coal gas according to claim 1 is just burning the heating boiler, it is characterized in that: a horizontally disposed high temperature resistant flow-stopping plate is fixed on fire-resistant mouthful of top of this eddy flow by several supporting legs, has a vertical distance between the fire-resistant mouth of this high temperature resistant flow-stopping plate and this eddy flow.
8. vertical semi-coal gas according to claim 1 is just burning the heating boiler, it is characterized in that: this tube bank dirt pocket up has the expansion cervical part of esophagus that a horizontal sectional area increases gradually from this constriction through port.
9. vertical semi-coal gas according to claim 7 is just burning the heating boiler, it is characterized in that: this tube bank dirt pocket side above this high temperature resistant flow-stopping plate is provided with the observation window that a transparent material constitutes.
10. vertical semi-coal gas according to claim 1 is just burning the heating boiler, it is characterized in that: in this tube bank dirt pocket, also be provided with many convection tubes, the two ends of each root convection tube are connected with the both sides of this water space respectively, and the two ends line of each root convection tube with respect to the horizontal plane has 5 ~ 12 inclination angle respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200808941U CN202013015U (en) | 2011-03-24 | 2011-03-24 | Vertical half gas positive burning heating boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200808941U CN202013015U (en) | 2011-03-24 | 2011-03-24 | Vertical half gas positive burning heating boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202013015U true CN202013015U (en) | 2011-10-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200808941U Expired - Fee Related CN202013015U (en) | 2011-03-24 | 2011-03-24 | Vertical half gas positive burning heating boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202013015U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103940085A (en) * | 2014-01-08 | 2014-07-23 | 王开生 | Smoke-free waste heat recovery boiler |
| CN107606781A (en) * | 2017-09-29 | 2018-01-19 | 临汾市汇友创电子科技有限公司 | A kind of power economized boiler |
| RU204933U1 (en) * | 2021-04-05 | 2021-06-17 | Анатолий Николаевич Ряполов | Sauna stove |
-
2011
- 2011-03-24 CN CN2011200808941U patent/CN202013015U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103940085A (en) * | 2014-01-08 | 2014-07-23 | 王开生 | Smoke-free waste heat recovery boiler |
| CN107606781A (en) * | 2017-09-29 | 2018-01-19 | 临汾市汇友创电子科技有限公司 | A kind of power economized boiler |
| RU204933U1 (en) * | 2021-04-05 | 2021-06-17 | Анатолий Николаевич Ряполов | Sauna stove |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111019 Termination date: 20180324 |
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| CF01 | Termination of patent right due to non-payment of annual fee |