CN204043192U - A kind of waterpipe type high-temperature hot-water boiler - Google Patents
A kind of waterpipe type high-temperature hot-water boiler Download PDFInfo
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- CN204043192U CN204043192U CN201420451068.7U CN201420451068U CN204043192U CN 204043192 U CN204043192 U CN 204043192U CN 201420451068 U CN201420451068 U CN 201420451068U CN 204043192 U CN204043192 U CN 204043192U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 77
- 230000008676 import Effects 0.000 claims abstract description 22
- 239000000779 smoke Substances 0.000 claims abstract description 5
- 238000001816 cooling Methods 0.000 claims description 6
- 238000004880 explosion Methods 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 4
- 238000005192 partition Methods 0.000 claims description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 12
- 239000003546 flue gas Substances 0.000 description 12
- 238000010438 heat treatment Methods 0.000 description 12
- 239000007789 gas Substances 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000009835 boiling Methods 0.000 description 3
- 235000019504 cigarettes Nutrition 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000567 combustion gas Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 230000002631 hypothermal effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 210000003296 saliva Anatomy 0.000 description 1
- 230000003685 thermal hair damage Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Abstract
The utility model relates to a kind of waterpipe type high-temperature hot-water boiler, comprise burner (1), burner hearth (2) and tube bank component region (3), burner (1) is arranged on the left end of burner hearth (2), tube bank component region (3) is arranged on the front of burner hearth (2), burner hearth (2) is communicated with by smoke outlet window with tube bank component region (3), tube bank component region (3) comprises high temperature tube bundle region (301) and cryogenic tube bundle district (302), it is characterized in that: each tube bundle region includes arranges coiled pipe more, the two ends of coiled pipe are welded to connect with corresponding tube bundle region import header and tube bundle region outlet header respectively, cryogenic tube bundle district import header (303) outer termination backwater, outlet header (304) outer end, cryogenic tube bundle district connects burner hearth (2) left end, high temperature tube bundle region import header (305) outer end is connected to left section of burner hearth (2), high temperature tube bundle region outlet header (306) outer end is connected to the right-hand member of burner hearth (2), and right section of burner hearth (2) is also provided with delivery port (14).
Description
Technical field
The utility model belongs to high-temperature water hypothermal technical field, the hot-water boiler technical field that the temperature difference referring in particular to turnover saliva is greater than 30 DEG C, is specifically related to a kind of waterpipe type high-temperature hot-water boiler.
Background technology
Along with the continuous high speed development of China's economy, the raising of national environmental consciousness, the demand of large-scale fired gas-fired hot water boiler is also increasing, and leaving water temperature is also more and more higher.The main application scenario of such boiler is enumerated as follows:
1, the heating of north cold area, the thermal power of general separate unit boiler is at more than 20MW, and boiler feed water temperature is 70 DEG C, and leaving water temperature General Requirements is not less than 130 DEG C.
2, GTCC power plant is in order to ensure exerting oneself of combustion engine, must improve the temperature of combustion engine porch combustion gas, and General Requirements fuel gas temperature is more than 200 DEG C.Therefore need to heat combustion gas, the thermal power of separate unit boiler is at more than 10MW, and boiler feed water temperature is 70 DEG C, and leaving water temperature General Requirements is not less than 150 DEG C.
For the hot-water boiler of above-mentioned use occasion, the two barrel structure pattern of current domestic main employing SZS type, the water circulation of this pattern boiler is mainly based on Natural Circulation, and current distribution is carried out in conjunction with direct current cooker pattern in local.But there is the problem of following several respects:
1, the density difference due to hot water is at each temperature less, and the flow velocity of natural water circulation is lower, for thermic load comparatively large regions heating surface easily produce subcooled boiling, thus cause heating surface to cross cause thermal damage.
2, the heat absorption in convection bank region is mainly for the evaporation endothermic of steam, and not obvious for endothermic effect hot-water boiler, and therefore exhaust gas temperature is higher, and generally at about 180 DEG C, heat loss is large.
3, in order to improve boiler thermal output, must set up economizer at boiler tail, floor space is large, and investment increases.
4, water capacity of the boiler is large, and programming rate is slow.
Summary of the invention
In order to overcome the technological deficiency of above-mentioned existence, the utility model devises a kind of waterpipe type high-temperature hot-water boiler, the problem which solved.
In order to solve the technical problem of above-mentioned existence, the utility model have employed following scheme:
A kind of waterpipe type high-temperature hot-water boiler, comprise burner (1), burner hearth (2) and tube bank component region (3), burner (1) is arranged on the left end of burner hearth (2), tube bank component region (3) is arranged on the front of burner hearth (2), burner hearth (2) is communicated with by smoke outlet window with tube bank component region (3), tube bank component region (3) comprises high temperature tube bundle region (301) and cryogenic tube bundle district (302), it is characterized in that: high temperature tube bundle region (301) and cryogenic tube bundle district (302) horizontally disposed successively, each tube bundle region is distributed with arranges coiled pipe more, coiled pipe becomes 180 ゜ continuous bending to form by pipe, the two ends of coiled pipe are welded to connect with corresponding tube bundle region import header and tube bundle region outlet header respectively, cryogenic tube bundle district import header (303) outer termination backwater, outlet header (304) outer end, cryogenic tube bundle district connects burner hearth upper collecting chamber (4) left end of burner hearth (2), high temperature tube bundle region import header (305) outer end is connected to middle left section of the burner hearth upper collecting chamber (4) of burner hearth (2), high temperature tube bundle region outlet header (306) outer end is connected to burner hearth upper collecting chamber (4) right-hand member of burner hearth (2), and in the middle of the burner hearth upper collecting chamber (4) of burner hearth (2), right section is also provided with delivery port (14).
Further, in each tube bundle region, many row's coiled pipe horizontal stacking are arranged.
Further, prepattern water-cooling wall (201), rear fin panel casing (202), left fin panel casing (203) and right fin panel casing (204) are joined together to form burner hearth (2) by burner hearth upper collecting chamber (4) and burner hearth lower header (5), and burner (1) level is arranged on the left fin panel casing (203) of burner hearth (2); In burner hearth (2), each fin panel casing is distributed with flow process---lifting pipe (206) and the down-flow pipe (207) in multiple loop, lifting pipe (206) is communicated with burner hearth lower header (5) with burner hearth upper collecting chamber (4) respectively with the two ends up and down of down-flow pipe (207), the left end of burner hearth upper collecting chamber (4) and burner hearth lower header (5), middle left section, middle right-hand member, be respectively arranged with partition successively between right-hand member.
Further, the afterbody in burner hearth (2) is also provided with many end exhausting parts tube bank (205).
Further, cryogenic tube bundle district import header (303) outer end is connected with return pipe (6), and outlet header (304) outer end, cryogenic tube bundle district is connected to the left end of the burner hearth upper collecting chamber (4) of burner hearth (2) by cryogenic tube bundle outlet (7), the first tube connector (10); High temperature tube bundle region import header (305) outer end is connected to left section of the centre of the burner hearth upper collecting chamber (4) of burner hearth (2) by high-temperature pipe beam entrance pipe (8), the second tube connector (11), high temperature tube bundle region outlet header (306) outer end is by the right-hand member that high temperature restrains outlet (9), the 3rd tube connector (13) is connected to burner hearth upper collecting chamber (4), and delivery port (14) is arranged on right section of the centre of burner hearth upper collecting chamber (4).
Further, explosion proof door (13) is also provided with at the right-hand member of boiler.
Further, this boiler adopts forced water circulation mode, controls the water velocity in each region; The water velocity of the region down-flow pipe (207) that burner hearth (2) interior thermic load is large controls at more than 1.1m/s, and the water velocity of lifting pipe (206) controls at more than 0.7m/s; In burner hearth (2), down-flow pipe (207) water velocity in other region controls at more than 1m/s, and the water velocity of lifting pipe (206) controls at more than 0.5m/s.
This waterpipe type high-temperature hot-water boiler has following beneficial effect:
(1) the utility model adopts rational current to distribute and flow process, ensure that each heating surface can fully be cooled, thus guarantees boiler safety reliability service.
(2) the utility model adopts new structural shape, and when not having economizer, exhaust gas temperature is lower, and boiler thermal output is higher.
(3) the utility model boiler structure is compact, compact, and floor space is little.
(4) the utility model water capacity is little, and programming rate is fast, reduces heat loss for subsequent use.
Accompanying drawing explanation
Fig. 1: the front view of the utility model waterpipe type high-temperature hot-water boiler;
Fig. 2: the top view of the utility model waterpipe type high-temperature hot-water boiler;
Fig. 3: the left view (removing burner) of the utility model waterpipe type high-temperature hot-water boiler;
Fig. 4: the burner hearth inner structure schematic diagram (left view) of the utility model waterpipe type high-temperature hot-water boiler;
Fig. 5: the burner hearth afterbody tube bank schematic diagram of the utility model waterpipe type high-temperature hot-water boiler;
Fig. 6: the tube bank modular construction schematic diagram of the utility model waterpipe type high-temperature hot-water boiler;
Fig. 7: the boiler hot-water forced circulation schematic diagram of the utility model waterpipe type high-temperature hot-water boiler;
Fig. 8: the coiled pipe structural representation of the utility model tube bank parts.
Description of reference numerals:
1-burner; 2-burner hearth; 201-prepattern water-cooling wall; 202-rear fin panel casing; 203-left fin panel casing; 204-right fin panel casing; 205-afterbody is restrained; 206-lifting pipe; 207-down-flow pipe; 3-tube bank parts; 301-high temperature tube bundle region; 302-cryogenic tube bundle district; 303-cryogenic tube bundle district import header; 304-cryogenic tube bundle district outlet header; 305-high temperature tube bundle region import header; 306-high temperature tube bundle region outlet header; 4-burner hearth upper collecting chamber; 5-burner hearth lower header; 6-return pipe; 7-cryogenic tube bundle outlet; 8-high-temperature pipe beam entrance pipe; 9-high temperature tube bank outlet; 10-the first tube connector; 11-the second tube connector; 12-the three tube connector; 13-explosion proof door; 14-delivery port; 15-hydrophobic dirt-removing valve; 16-air bleeding valve.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described further:
Fig. 1 to Fig. 8 shows a kind of waterpipe type high-temperature hot-water boiler, and this boiler adopts the water pipe structure pattern of horizontal arranging mode, comprises burner 1, burner hearth 2 and tube bank component region 3.Burner 1 is arranged on the left end of burner hearth 2, and tube bank component region 3 is arranged on the front of burner hearth 2, and burner hearth 2 is communicated with by smoke outlet window with tube bank component region 3, is also provided with explosion proof door 13 at the right-hand member of boiler.Burner hearth 2 is primarily of prepattern water-cooling wall 201, rear fin panel casing 202, left fin panel casing 203 and right fin panel casing 204 are formed by connecting by burner hearth upper collecting chamber 4 and burner hearth lower header 5, in burner hearth 2, each fin panel casing is distributed with the flow process in multiple loop---lifting pipe 206 and down-flow pipe 207, as shown in figs. 4 and 7, lifting pipe 206 is communicated with burner hearth lower header 5 with burner hearth upper collecting chamber 4 respectively with the two ends up and down of down-flow pipe 207, burner hearth upper collecting chamber 4 left end, middle left section, middle right-hand member, partition is disposed with between right-hand member, the left end of burner hearth lower header 5, middle left section, middle right-hand member, also partition is disposed with between right-hand member, in burner hearth 2, afterbody (right-hand member) is also provided with many end exhausting parts tube bank 205, as shown in Figure 5, many end exhausting part tube banks 205 can guarantee that burner hearth 2 exports fibre selection below 1000 DEG C.Burner 1 level is arranged on the left fin panel casing 203 of boiler furnace 2, fuel in burner hearth 2 with the abundant mixed combustion of air, by radiant heat transfer to the fin panel casing of surrounding, in heating water-cooling wall, the stove water namely in lifting pipe 206 and down-flow pipe 207.
Tube bank component region 3 be divided into cryogenic tube bundle district 302 and high temperature tube bundle region 301 two parts, high temperature tube bundle region 301 and cryogenic tube bundle district 302 horizontally disposed successively, as shown in Figure 6.Each tube bundle region includes many rows coiled pipe that horizontal stacking is arranged, and as shown in Figure 8, coiled pipe becomes 180 ゜ continuous bending to form by pipe to coiled pipe structure, and imports and exports header welding with corresponding tube bundle region and connect.Cryogenic tube bundle district import header 303 outer end is connected with return pipe 6 so that backwater enters cryogenic tube bundle district 302, outlet header 304 outer end, cryogenic tube bundle district is connected with cryogenic tube bundle outlet 7 one end, and the other end of cryogenic tube bundle outlet 7 is connected to the left end of the burner hearth upper collecting chamber 4 of burner hearth 2 by the first tube connector 10.High temperature tube bundle region import header 305 outer end is connected with high-temperature pipe beam entrance pipe 8 one end, the other end of high-temperature pipe beam entrance pipe 8 is connected to left section of the centre of the burner hearth upper collecting chamber 4 of burner hearth 2 by the second tube connector 11, high temperature tube bundle region outlet header 306 outer end connects one end of high temperature tube bank outlet 9, the other end of high temperature tube bank outlet 9 is connected to the right-hand member of burner hearth upper collecting chamber 4 by the 3rd tube connector 13, in the centre of burner hearth upper collecting chamber 4, right section is also provided with delivery port 14.The high-temperature flue gas of furnace outlet first absorbs heat through high temperature tube bundle region 301 and cools, and then cools further through cryogenic tube bundle district 302, can guarantee that final exhaust gas temperature is below 140 DEG C, even lower (can reach less than 100 DEG C).
During work, fuel in burner hearth 2 with the abundant mixed combustion of air, by radiant heat transfer to the fin panel casing of surrounding, heating water-cooling wall in stove water.Meanwhile, high-temperature flue gas transversal flow is arranged on many end exhausting part tube banks 205 of burner hearth 2 afterbody, and cigarette temperature is reduced to about 950 DEG C further, and enters tube bank component region 3 through smoke outlet window output.The snakelike tube bank of many rows of high-temperature flue gas transversal flow high temperature tube bundle region 301, cigarette temperature drop is low to moderate about 300 DEG C, then the snakelike tube bank of many rows in transversal flow cryogenic tube bundle district 302, below cigarette temperature drop to 140 DEG C, even lower (less than 100 DEG C can be reached).Flue gas finally enters air through flue by chimney.
And the workflow of hot-water heating system is: backwater first enters the cryogenic tube bundle district import header 303 in cryogenic tube bundle district 302 through return pipe 6, discharged by cryogenic tube bundle district outlet header 304 after snakelike tube bank heating and enter cryogenic tube bundle outlet 7, then the left end of the burner hearth upper collecting chamber 4 of burner hearth 2 is entered into by the first tube connector 10, as shown in Figure 7, current enter the down-flow pipe 207 of burner hearth 2 left end, the lifting pipe 206 of in the middle of burner hearth 2 left section is entered after being confluxed by burner hearth lower header 5, and conflux through burner hearth upper collecting chamber 4 and to discharge after left section in the middle of the burner hearth upper collecting chamber 4, then, by the second tube connector 11, high-temperature pipe beam entrance pipe 8 enters into the high temperature tube bundle region import header 305 of high temperature tube bundle region 301, discharged by high temperature tube bundle region outlet header 306 after the snakelike tube bank heating of high temperature tube bundle region, then, by high temperature tube bank outlet 9, 3rd tube connector 13 enters into the right-hand member of burner hearth upper collecting chamber 4, current enter the down-flow pipe 207 of burner hearth 2 right-hand member, the lifting pipe 206 of in the middle of burner hearth 2 right section is entered after being confluxed by burner hearth lower header 5, conflux finally by burner hearth upper collecting chamber 4 in the middle of burner hearth upper collecting chamber 4, after right section, meet the hot water of parameter request from delivery port 14 output.
In the utility model, backwater enters the coiled pipe in cryogenic tube bundle district 302 by cryogenic tube bundle district import header 303
withafter the flue gas in cryogenic tube bundle district 302 carries out heat exchange, enter high-temperature flue gas in the water pipe of burner hearth 2 left part and burner hearth again and carry out heat exchange, and then the flue gas of the coiled pipe and high temperature tube bundle region 301 that enter high temperature tube bundle region 301 carries out heat exchange, then enter high-temperature flue gas in the water pipe of burner hearth 2 right part and burner hearth and carry out heat exchange, discharge finally by delivery port 14.Adopt rational current to distribute and flow process, ensure that each heating surface can fully be cooled, thus guarantee boiler safety reliability service.
The utility model provides a kind of new water pipe structure form, eliminates the convection bank of conventional boiler, and adopts a kind of new coiled pipe version as high temperature tube bank and cryogenic tube bundle, as shown in Figure 8.Restrain and become 180 ゜ continuous bending to form by multi coil, and be formed by connecting with import and export header welding.This new pipeline structure form makes this boiler can adopt forced water circulation mode, carry out strictly controlling to guarantee boiler safety to the water velocity in each region, thermic load controls at more than 1.1m/s compared with the water velocity of large regions down-flow pipe, and the water velocity of lifting pipe controls at more than 0.7m/s; The down-flow pipe water velocity in other region controls at more than 1m/s, and the water velocity of lifting pipe controls at more than 0.5m/s.Rational flow velocity arrangement can guarantee that each heating surface of boiler is unlikely to produce subcooled boiling, can ensure the safety of heating surface.For the boiler that thermal power rating is determined, its discharge is also constant, and therefore after tube bank bore and quantity are determined, the water velocity in its tube bank is also constant, therefore can guarantee the water circulation that boiler is good and good heat-transfer effect.Even if boiler load changes, discharge respective change, the flow velocity of water also can calculate, as long as current degree is higher than lowest speed, boiler still can reliability service.And for the hot-water boiler of Natural Circulation in prior art, the power of water flow is the density contrast relying on water temperature to produce, moreover the quantity of convection bank is also more, water velocity is also slower, therefore when boiler load changes, quantity of circulating water can change, the quantity of lifting pipe, down-flow pipe also can change, and the reliability of boiler water cycle can not well be ensured.
After the tube bank of the utility model high temperature and cryogenic tube bundle design are determined, the flow area of its fume side is also fixing, and the nominal flow rate of flue gas is also fixing.The snakelike tube bank of furnace outlet flue gas transversal flow, sweep of gases is more abundant, and heat transfer effect is better.Current become counter-flow arrangement mode with flue gas.Water velocity, the flue gas flow rate of boiler each position can be well controlled, and guarantee the safe and reliable operation of boiler.And the hot-water boiler of Natural Circulation, tube pitch is change, and sweep of gases can not be guaranteed completely; Simultaneously because in-pipe flow is slow, heat exchange is relatively poor, there will be the problems such as the subcooled boiling that hot-spot causes.
Therefore the utility model structure is simple, reasonable in design, not only for user provides high-temperature-hot-water, and also improves boiler water cycle, makes product more reasonable benefit/risk; Boiler efficiency is higher, and boiler takes up an area the little cost of investment also reducing user simultaneously.
By reference to the accompanying drawings exemplary description is carried out to the utility model above; obvious realization of the present utility model is not subject to the restrictions described above; as long as have employed the various improvement that method of the present utility model is conceived and technical scheme is carried out; or design of the present utility model and technical scheme directly applied to other occasion, all in protection domain of the present utility model without to improve.
Claims (8)
1. a waterpipe type high-temperature hot-water boiler, comprise burner (1), burner hearth (2) and tube bank component region (3), burner (1) is arranged on the left end of burner hearth (2), tube bank component region (3) is arranged on the front of burner hearth (2), burner hearth (2) is communicated with by smoke outlet window with tube bank component region (3), tube bank component region (3) comprises high temperature tube bundle region (301) and cryogenic tube bundle district (302), it is characterized in that: high temperature tube bundle region (301) and cryogenic tube bundle district (302) horizontally disposed successively, each tube bundle region is distributed with arranges coiled pipe more, coiled pipe becomes 180 ゜ continuous bending to form by pipe, the two ends of coiled pipe are welded to connect with corresponding tube bundle region import header and tube bundle region outlet header respectively, cryogenic tube bundle district import header (303) outer termination backwater, outlet header (304) outer end, cryogenic tube bundle district connects burner hearth upper collecting chamber (4) left end of burner hearth (2), high temperature tube bundle region import header (305) outer end is connected to middle left section of the burner hearth upper collecting chamber (4) of burner hearth (2), high temperature tube bundle region outlet header (306) outer end is connected to burner hearth upper collecting chamber (4) right-hand member of burner hearth (2), and in the middle of the burner hearth upper collecting chamber (4) of burner hearth (2), right section is also provided with delivery port (14).
2. waterpipe type high-temperature hot-water boiler according to claim 1, is characterized in that: in each tube bundle region, and many row's coiled pipe horizontal stacking are arranged.
3. waterpipe type high-temperature hot-water boiler according to claim 1 and 2, it is characterized in that: prepattern water-cooling wall (201), rear fin panel casing (202), left fin panel casing (203) and right fin panel casing (204) are joined together to form burner hearth (2) by burner hearth upper collecting chamber (4) and burner hearth lower header (5), burner (1) level is arranged on the left fin panel casing (203) of burner hearth (2); In burner hearth (2), each fin panel casing is distributed with flow process---lifting pipe (206) and the down-flow pipe (207) in multiple loop, lifting pipe (206) is communicated with burner hearth lower header (5) with burner hearth upper collecting chamber (4) respectively with the two ends up and down of down-flow pipe (207), the left end of burner hearth upper collecting chamber (4) and burner hearth lower header (5), middle left section, middle right-hand member, be respectively arranged with partition successively between right-hand member.
4. waterpipe type high-temperature hot-water boiler according to claim 3, is characterized in that: the afterbody in burner hearth (2) is also provided with many end exhausting parts tube bank (205).
5. the waterpipe type high-temperature hot-water boiler according to claim 1,2 or 4, it is characterized in that: cryogenic tube bundle district import header (303) outer end is connected with return pipe (6), outlet header (304) outer end, cryogenic tube bundle district is connected to the left end of the burner hearth upper collecting chamber (4) of burner hearth (2) by cryogenic tube bundle outlet (7), the first tube connector (10); High temperature tube bundle region import header (305) outer end is connected to left section of the centre of the burner hearth upper collecting chamber (4) of burner hearth (2) by high-temperature pipe beam entrance pipe (8), the second tube connector (11), high temperature tube bundle region outlet header (306) outer end is by the right-hand member that high temperature restrains outlet (9), the 3rd tube connector (13) is connected to burner hearth upper collecting chamber (4), and delivery port (14) is arranged on right section of the centre of burner hearth upper collecting chamber (4).
6. the waterpipe type high-temperature hot-water boiler according to claim 1,2 or 4, is characterized in that: be also provided with explosion proof door (13) at the right-hand member of boiler.
7. waterpipe type high-temperature hot-water boiler according to claim 5, is characterized in that: be also provided with explosion proof door (13) at the right-hand member of boiler.
8. the waterpipe type high-temperature hot-water boiler according to claim 1,2,4 or 7, is characterized in that: this boiler adopts forced water circulation mode, controls the water velocity in each region; The water velocity of the region down-flow pipe (207) that burner hearth (2) interior thermic load is large controls at more than 1.1m/s, and the water velocity of lifting pipe (206) controls at more than 0.7m/s; In burner hearth (2), down-flow pipe (207) water velocity in other region controls at more than 1m/s, and the water velocity of lifting pipe (206) controls at more than 0.5m/s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420451068.7U CN204043192U (en) | 2014-08-12 | 2014-08-12 | A kind of waterpipe type high-temperature hot-water boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420451068.7U CN204043192U (en) | 2014-08-12 | 2014-08-12 | A kind of waterpipe type high-temperature hot-water boiler |
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| Publication Number | Publication Date |
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| CN204043192U true CN204043192U (en) | 2014-12-24 |
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|---|---|---|---|
| CN201420451068.7U Expired - Fee Related CN204043192U (en) | 2014-08-12 | 2014-08-12 | A kind of waterpipe type high-temperature hot-water boiler |
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| CN (1) | CN204043192U (en) |
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2014
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Water pipe type high temperature water boiler Effective date of registration: 20190306 Granted publication date: 20141224 Pledgee: China Everbright Bank Limited by Share Ltd. Hangzhou Yuhang sub branch Pledgor: HANGZHOU RUNPAQ ENERGY EQUIPMENT Co.,Ltd. Registration number: 2019330000062 |
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