CN201463253U - Double-furnace horizontal type industrial pulverized coal fired boiler - Google Patents
Double-furnace horizontal type industrial pulverized coal fired boiler Download PDFInfo
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- CN201463253U CN201463253U CN2009201088955U CN200920108895U CN201463253U CN 201463253 U CN201463253 U CN 201463253U CN 2009201088955 U CN2009201088955 U CN 2009201088955U CN 200920108895 U CN200920108895 U CN 200920108895U CN 201463253 U CN201463253 U CN 201463253U
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Abstract
The utility model relates to an industrial pulverized coal fired boiler, which is characterized in that a transversely-arranged cylindrical boiler housing is included, and a front end plate and a rear end plate are respectively arranged at the front part and the rear part in the boiler housing; two pre-combustion chambers radially penetrate the middle part of the front end plate side by side, outlet ends of the two pre-combustion chambers are respectively communicated with one end of each of two horizontal type furnaces transversely arranged in the boiler housing side by side, and the other ends of the two furnaces are respectively communicated with the rear end plate; a front smoke box is formed between the front end of the boiler housing and the front end plate, the space between the rear end of the boiler housing and the rear end plate is divided into an upper part and a lower part by a separation plate, the lower part forms a rear smoke box, and the upper part forms a smoke collection chamber; a water cooling wall loop is vertically arranged in the rear smoke box, and the top part of the smoke collection chamber is communicated with a chimney; and a group of two-return smoke tubes communicating the front and the rear smoke chambers are radially arranged at the lower part in the middle of the two furnaces, and a group of three-return smoke tubes communicating the front smoke chamber and the smoke collection chamber are radially arranged at the upper parts of the two furnaces. The utility model can be widely used in various occasions requiring small and medium size industrial pulverized coal fired boilers.
Description
Technical field
The utility model relates to a kind of Industrial Boiler, particularly about a kind of horizontal type double-flue industrial coal powder boiler.
Background technology
At present, traditional industry coal-boiler generally is divided into grate furnace, chamber burner and fluidized bed furnace etc., and is wherein most widely used with grate furnace (comprising reciprocating furnace, chain furnace etc.).These boilers are fuel with the raw coal of forms such as lump coal, mixed coal generally, can not directly use the coal dust conduct of fine granulation, so fuel economy are lower.Simultaneously, the large-scale power station pulverized-coal fired boiler that power plant uses, because the use scale requires difference, its existing version also can't be directly applied for middle-size and small-size industrial coal powder boiler.And the smaller hard flour pancake boiler of general fuel oil, combustion gas, because the fuel difference of its use, it is different that its structure and mode of movement also have, and therefore can not directly adopt fuel oil, gas fired-boiler to use as the pulverized-coal fired boiler of burning fine granulation.
Summary of the invention
At the problems referred to above, the purpose of this utility model provides a kind of use fine granulation coal dust and acts as a fuel, the big and combustion stablized horizontal type double-flue industrial coal powder boiler of heating load.
For achieving the above object, the utility model is taked following technical scheme: a kind of horizontal type double-flue industrial coal powder boiler, it comprises a horizontal cylindric shell, one water inlet and a delivery port are set on the described shell, the bottom of described shell is provided with a sewage draining exit, and the top of described shell is provided with a safety valve, and the outer setting of described shell has heat-insulation layer, it is characterized in that: the front portion in the described shell is provided with a front end-plate, and the rear portion in the described shell is provided with an end plate; Middle part at described front end-plate axially is equipped with two precombustion chambers side by side, and the port of export of two described precombustion chambers is communicated with an end of the two horizontal side by side horizontal flues in described shell respectively, and the other end of two described flues is communicated with described end plate respectively; Form a front smoke box between the front end of described shell and the described front end-plate, be separated into upper and lower two parts by a dividing plate between the rear end of described shell and the described end plate, a back smoke box is formed at the bottom, and a fume collecting chamber is formed at top; Be vertically installed with a (water) wall circuit in the smoke box of described back, the top of described fume collecting chamber is communicated with a chimney; The middle lower portion of two described flues axially is provided with one group of two return smoke pipe that is communicated with described forward and backward smoke-box, and the upper axial of two described flues is provided with one group of three backhaul smoke pipe that are communicated with described front smoke chamber and fume collecting chamber.
Described (water) wall circuit comprises two groups of water screen tubes that are symmetricly set on the smoke box circumferential wall of described back, the upper end of two a groups of described water screen tubes upper collecting chamber all in parallel, the lower end is a next part case in parallel respectively, and the hydrospace of described (water) wall circuit and described shell forms closed circuit.
Described precombustion chamber is contracted to bore by a reamer and and constitutes.
The quantity of described two return smoke pipe is more than the quantity of described three backhaul smoke pipes.
The utility model is owing to take above technical scheme, and it has the following advantages: 1, therefore the utility model, needs the water yield of processing big, when water temperature is high, two flues all can be opened use owing to be provided with two flues in a shell; Need the water of processing little and work as, when water temperature is hanged down, can only open one, use very flexible .2, the utility model is owing to be arranged on two flues in the same shell, therefore can be by the mode of the common heating of two flues, realize the instructions for use .3 that the horizontal industrial pulverized-coal fired boiler maximizes, the utility model has adopted the smoke three-pass design, flue gas at first enters the back smoke box in the flue, arrive front smoke box by the two return smoke pipe again, enter boiler tail by three backhaul smoke pipes then and concentrate discharge, it not only makes flue gas orderly back and forth flowing in a very limited space, the prolong smoke flow process, make that combustible component fully burns in the flue gas, and make the water in flue gas heat and the boiler fully carry out heat exchange, can improve boiler efficiency .4 to greatest extent, the utility model is owing to be provided with two flues in a shell, therefore one group of shared two return smoke pipe and one group of three shared backhaul smoke pipe can only be set in shell, after making the interior flue gas of two flues enter same back smoke box, arrive same front smoke box by the two return smoke pipe, and then enter same fume collecting chamber by three backhaul smoke pipes, discharge from same chimney at last, the very compact simple and direct .5 of structure, the utility model is owing to be provided with the precombustion chamber of a flaring convergent before each flue, therefore can make the coal dust of lighting by coal burner when precombustion chamber enters flue, even the flame jet velocity is fast especially, the Coal powder spray amount is very big, flame burning also can especially fully and be stablized, .6 can well be regulated and control to power to coal burner also, the utility model is owing to adopt very thin coal dust to act as a fuel, and adopt three backhauls to burn, therefore can be in a very limited space, make that combustible component fully burns in the flue gas, and make the water in flue gas heat and the boiler fully carry out heat exchange, can improve boiler efficiency to greatest extent, pollutant emission is well below common middle and small burn coal boiler. and the utility model can be widely used in the various occasions that need small and medium-sized industrial coal powder boilers.
Description of drawings
Fig. 1 is an overall structure schematic diagram of the present utility model
Fig. 2 is the A-A schematic cross-section of Fig. 1
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is described in detail.
As shown in Figure 1 and Figure 2, the utility model comprises a horizontal cylindric shell 2 on A-frame 1, and the front and rear in shell 2 is provided with a front end-plate 3 and an end plate 4 respectively.Middle part at front end-plate 3 axially is equipped with two taper precombustion chambers 5 side by side, and precombustion chamber 5 is contracted to bore by a reamer and and constitutes.The entrance point of two precombustion chambers 5 connects the coal burner (not shown) respectively, and the port of export is communicated with an end of the two horizontal side by side horizontal flues 6 in shell 2 respectively, and the other end of two flues 6 is communicated with end plate 4 respectively.Form a front smoke box 7 between the front end of shell 2 and the front end-plate 3, be separated into upper and lower two parts by a dividing plate 8 between the rear end of shell 2 and the end plate 4, a back smoke box 9 is formed at the bottom, and a fume collecting chamber 10 is formed at top, is communicated with a chimney 11 at fume collecting chamber 10 tops.
Middle lower portion at two flues 6 axially is provided with one group of two return smoke pipe 12 that is communicated with forward and backward smoke-box 7,9, and the two ends of two return smoke pipe 12 are separately fixed at the bottom of forward and backward end plate 3,4.Simultaneously, be provided with the top that one group of two ends that are communicated with three backhaul smoke pipes, 13, the three backhaul smoke pipes 13 of front smoke chamber 7 and fume collecting chamber 10 is separately fixed at forward and backward end plate 3,4 in the upper axial of two flues 6.
Be vertically installed with a (water) wall circuit in the back smoke box 9, the (water) wall circuit comprises two groups of water screen tubes 14 that are symmetricly set on smoke box 9 circumferential wall of back, the upper end of two groups of water screen tubes 14 upper collecting chamber 15 all in parallel, the lower end is a next part case 16 in parallel respectively, and the hydrospace of (water) wall circuit and shell 2 forms closed circuit.The (water) wall circuit mainly be that effect is the radiations heat energy that absorbs high-temperature flue gas, can reduce the damage of high-temperature flue gas simultaneously to shell 2.
In the foregoing description, the quantity of two return smoke pipe 12 is more than the quantity of three backhaul smoke pipes 13, and concrete quantity and arrangement mode can be as required and the experience setting.
Need to prove, the utility model also comprises water inlet and the delivery port (or going out steam port) that is arranged on the shell 2, be arranged on the sewage draining exit of shell 2 bottoms, be arranged on the safety valve at shell 2 tops, and be arranged on heat-insulation layer of shell 2 outsides etc., because the structure basically identical of above-mentioned parts and conventional boiler is so repeat no more.
When the utility model uses, fill water in the hydrospace between front end-plate 3 and end plate 4, coal burner is docked with precombustion chamber 5, the flame that makes the coal burner ejection is through burning away in flue 6 after the precombustion chamber 5, gas fume after burning enters back smoke box 9, two return smoke pipe 12 between forward and backward smoke box 7,9 refluxes and enters front smoke box 7, and three backhaul smoke pipes 13 between front smoke box 7 and fume collecting chamber 10 enter fume collecting chamber 10 again, discharges from chimney 11 at last.
The utility model only describes with the foregoing description; the structure of each parts, the position is set and connects and all can change to some extent; on the basis of technical solutions of the utility model; all improvement and equivalents of individual component being carried out according to the utility model principle all should not got rid of outside protection domain of the present utility model.
Claims (5)
1. horizontal type double-flue industrial coal powder boiler, it comprises a horizontal cylindric shell, one water inlet and a delivery port are set on the described shell, the bottom of described shell is provided with a sewage draining exit, the top of described shell is provided with a safety valve, the outer setting of described shell has heat-insulation layer, it is characterized in that: the front portion in the described shell is provided with a front end-plate, and the rear portion in the described shell is provided with an end plate; Middle part at described front end-plate axially is equipped with two precombustion chambers side by side, and the port of export of two described precombustion chambers is communicated with an end of the two horizontal side by side horizontal flues in described shell respectively, and the other end of two described flues is communicated with described end plate respectively; Form a front smoke box between the front end of described shell and the described front end-plate, be separated into upper and lower two parts by a dividing plate between the rear end of described shell and the described end plate, a back smoke box is formed at the bottom, and a fume collecting chamber is formed at top; Be vertically installed with a (water) wall circuit in the smoke box of described back, the top of described fume collecting chamber is communicated with a chimney;
The middle lower portion of two described flues axially is provided with one group of two return smoke pipe that is communicated with described forward and backward smoke-box, and the upper axial of two described flues is provided with one group of three backhaul smoke pipe that are communicated with described front smoke chamber and fume collecting chamber.
2. a kind of horizontal type double-flue industrial coal powder boiler as claimed in claim 1, it is characterized in that: described (water) wall circuit comprises two groups of water screen tubes that are symmetricly set on the smoke box circumferential wall of described back, the upper end of two a groups of described water screen tubes upper collecting chamber all in parallel, the lower end is a next part case in parallel respectively, and the hydrospace of described (water) wall circuit and described shell forms closed circuit.
3. a kind of horizontal type double-flue industrial coal powder boiler as claimed in claim 1 is characterized in that: described precombustion chamber is contracted to bore by a reamer and and constitutes.
4. a kind of horizontal type double-flue industrial coal powder boiler as claimed in claim 2 is characterized in that: described precombustion chamber is contracted to bore by a reamer and and constitutes.
5. as claim 1 or 2 or 3 or 4 described a kind of horizontal type double-flue industrial coal powder boilers, it is characterized in that: the quantity of described two return smoke pipe is more than the quantity of described three backhaul smoke pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201088955U CN201463253U (en) | 2009-06-10 | 2009-06-10 | Double-furnace horizontal type industrial pulverized coal fired boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201088955U CN201463253U (en) | 2009-06-10 | 2009-06-10 | Double-furnace horizontal type industrial pulverized coal fired boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201463253U true CN201463253U (en) | 2010-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201088955U Expired - Lifetime CN201463253U (en) | 2009-06-10 | 2009-06-10 | Double-furnace horizontal type industrial pulverized coal fired boiler |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102418994A (en) * | 2011-12-05 | 2012-04-18 | 王忠信 | Novel energy-saving boiler |
| CN101576317B (en) * | 2009-06-10 | 2012-05-23 | 煤炭科学研究总院 | Horizontal type double-flue industrial coal powder boiler |
| CN103032865A (en) * | 2012-12-12 | 2013-04-10 | 杭州燃油锅炉有限公司 | Horizontal pulverized coal fired boiler with two furnace pipes |
| CN103047638A (en) * | 2012-12-12 | 2013-04-17 | 杭州燃油锅炉有限公司 | Horizontal type two-channel pulverized coal fired boiler |
| CN103836611A (en) * | 2013-12-11 | 2014-06-04 | 杭州华源前线能源设备有限公司 | Shell type high-temperature superheated steam structure |
| CN103939881A (en) * | 2014-04-01 | 2014-07-23 | 董磊 | Horizontal double-wet-back cooling device for internal combustion multi-return-stroke boiler |
| CN104075305A (en) * | 2014-07-18 | 2014-10-01 | 临沭县东方红锅炉制造有限公司 | Boiler heating chamber |
| CN104110669A (en) * | 2014-07-22 | 2014-10-22 | 江苏双良锅炉有限公司 | Large horizontal fire-tube double-flue single-reversal-chamber boiler |
-
2009
- 2009-06-10 CN CN2009201088955U patent/CN201463253U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101576317B (en) * | 2009-06-10 | 2012-05-23 | 煤炭科学研究总院 | Horizontal type double-flue industrial coal powder boiler |
| CN102418994A (en) * | 2011-12-05 | 2012-04-18 | 王忠信 | Novel energy-saving boiler |
| CN102418994B (en) * | 2011-12-05 | 2016-10-26 | 王忠信 | Energy-saving boiler |
| CN103032865A (en) * | 2012-12-12 | 2013-04-10 | 杭州燃油锅炉有限公司 | Horizontal pulverized coal fired boiler with two furnace pipes |
| CN103047638A (en) * | 2012-12-12 | 2013-04-17 | 杭州燃油锅炉有限公司 | Horizontal type two-channel pulverized coal fired boiler |
| CN103836611A (en) * | 2013-12-11 | 2014-06-04 | 杭州华源前线能源设备有限公司 | Shell type high-temperature superheated steam structure |
| CN103836611B (en) * | 2013-12-11 | 2015-09-09 | 杭州华源前线能源设备有限公司 | Pot-type high-temperature superheated steam structure |
| CN103939881A (en) * | 2014-04-01 | 2014-07-23 | 董磊 | Horizontal double-wet-back cooling device for internal combustion multi-return-stroke boiler |
| CN103939881B (en) * | 2014-04-01 | 2016-01-06 | 董磊 | The two wet back of the body cooling device of horizontal internal combustion multi-pass boiler |
| CN104075305A (en) * | 2014-07-18 | 2014-10-01 | 临沭县东方红锅炉制造有限公司 | Boiler heating chamber |
| CN104110669A (en) * | 2014-07-22 | 2014-10-22 | 江苏双良锅炉有限公司 | Large horizontal fire-tube double-flue single-reversal-chamber boiler |
| CN104110669B (en) * | 2014-07-22 | 2016-03-30 | 江苏双良锅炉有限公司 | Large-size horizontal fire tube dual-furnace-chamber list return combustion chamber boiler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100512 Effective date of abandoning: 20090610 |