CN204460998U - Be applied to dry hot-blast furnace device of polyacrylamide - Google Patents
Be applied to dry hot-blast furnace device of polyacrylamide Download PDFInfo
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- CN204460998U CN204460998U CN201420779080.0U CN201420779080U CN204460998U CN 204460998 U CN204460998 U CN 204460998U CN 201420779080 U CN201420779080 U CN 201420779080U CN 204460998 U CN204460998 U CN 204460998U
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- air inlet
- polyacrylamide
- pipeline
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- 229920002401 polyacrylamide Polymers 0.000 title claims abstract description 66
- 238000001035 drying Methods 0.000 claims abstract description 51
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 44
- 229910052757 nitrogen Inorganic materials 0.000 claims description 22
- 230000001105 regulatory effect Effects 0.000 claims description 16
- 239000012530 fluid Substances 0.000 claims description 14
- 230000008676 import Effects 0.000 claims description 14
- 239000000567 combustion gas Substances 0.000 claims description 12
- 238000007689 inspection Methods 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 7
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 12
- 238000002485 combustion reaction Methods 0.000 abstract description 12
- 239000003546 flue gas Substances 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 10
- 239000002737 fuel gas Substances 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 12
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 238000010926 purge Methods 0.000 description 4
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 3
- 150000001412 amines Chemical class 0.000 description 3
- 239000003034 coal gas Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000003801 milling Methods 0.000 description 3
- 239000003345 natural gas Substances 0.000 description 3
- -1 polypropylene Polymers 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000010526 radical polymerization reaction Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010981 drying operation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
Landscapes
- Drying Of Solid Materials (AREA)
Abstract
The utility model discloses a be applied to dry hot-blast furnace device of polyacrylamide, include: the furnace body is internally provided with a burner; the cold air inlet and the hot air outlet are arranged on the side wall of the furnace body, the cold air inlet is connected with a blower, and the hot air outlet is connected with a polyacrylamide fluidized bed; the ignition pipeline and the air inlet pipeline are respectively connected to the side wall of the furnace body; the control system comprises a flow control valve and a control cabinet, wherein the flow control valve is connected to the air inlet pipeline, and the flow control valve and the ignition pipeline are respectively and electrically connected with the control cabinet. The utility model realizes the direct mixed combustion of fuel gas and process air to generate heat source flue gas, the heat source flue gas and wet PAM directly contact and exchange heat in the fluidized bed to realize drying, and the heat loss can be reduced by 30 percent compared with the prior art; the utility model discloses simple structure, reasonable, high-efficient, the power consumption that the device was equipped with is low.
Description
Technical field
The utility model relates to a kind of hot-blast stove device, specifically, is a kind of hot-blast stove device being applied to polyacrylamide drying.
Background technology
Polyacrylamide (PAM) is by the water-soluble linear high molecular polymer of acrylamide (AM) monomer through free radical polymerization, be insoluble to most of organic solvent, there is good flocculability, the frictional resistance between liquid can be reduced.PAM is widely used in the fields such as oil, water treatment, papermaking.Wherein, oil exploitation is the maximum field of current domestic PAM consumption, and its consumption figure accounts for 56% of total domestic demand amount.
The water-soluble linear high molecular polymer PAM generated through free radical polymerization operation by AM monomer, needs drying operation to remove moisture to obtain finished product PAM.
Traditional hot-air system being applied to polyacrylamide (PAM) dry mostly adopts heat-condutive oil heat exchanger to provide heat.Heat-condutive oil heat exchanger take conduction oil as heat transferring medium, by input outer loop power cycle pump, conduction oil is forced to carry out liquid phase closed cycle, the heat carried by conduction oil by heat-condutive oil heat exchanger in process is indirectly transferred to heated medium, conduction oil after indirect heat exchange, again get back to heat source heater by circulating pump and absorb heat again, conduction oil after absorbing heat and heating up continues heat-condutive oil heat exchanger and carries out indirect heat exchange, so go round and begin again, realize the continuous transmission of heat, by the temperature of heated medium continuous heating to technological requirement, for the drying of wet stock, for the fluidized bed drying of polyacrylamide (PAM), process safety is reliable.
Traditional PAM dry-heat air system, mostly by outer loop power, adopts heat-condutive oil heat exchanger indirect heat exchange heat from heat source to be passed to heated air, for follow-up PAM fluidized bed drying.This traditional handicraft needs through twice indirect heat exchange, and consume more outer loop power, there is the problem that thermal loss is large and energy consumption is high in process, need to design a kind of air heating device being applied to polyacrylamide (PAM) drying newly, come the thermal loss in reduction process and energy consumption.
Consult Fig. 1, notification number is that the patent of invention of CN101701763B discloses a kind of positive-pressure combustion device and technique thereof, configuration combustion blower 1 and drying drum blower fan 2, burner 3 mixed combustion in fuel gas hot-blast stove 4 is passed through by combustible gas and combustion air, plant air, form the flue gas of HTHP, fluid bed dryer 5 is sent into by warm-air pipe, be directly used in wet stock in fluid bed dry, this technique does not exist and causes thermal loss because of repeatedly indirect heat exchange, the thermal efficiency is high, but it is more to there is auxiliary power equipment, the problem of the deficiency that power consumption is higher.
Consult Fig. 2, notification number is that the Chinese utility model patent of CN202342915U discloses a kind of autocontrol water reducer coal gas hot-blast drying unit, comprise with the hot-blast stove 1 of warm-air pipe 11 connection and drying tower 2, described drying tower 2 top and bottom are respectively equipped with atomising device 10 and drainage conduit 14; It is characterized in that described hot-blast stove 1 is coal gas hot-blast stove, be provided with burner 5, igniter 8 and flame probe 9 in its gas burner 4, burner 5 is communicated with Gas Pipe 6, and Gas Pipe 6 is provided with autocontrol valve 7; Described drying tower 2 hot wind inlet place is provided with inlet temperature sensor 12, and drainage conduit 14 is provided with outlet temperature sensor 13; Described igniter 8, flame probe 9, autocontrol valve 7, inlet temperature sensor 12 and outlet temperature sensor 13 are all electrically connected with control processor 3, the controlled processor 3 of action of igniter 8 and autocontrol valve 7 controls, and opens size according to the automatic regulating gas valve of signal that temperature sensor is passed back.
But this technical scheme only ensure that hot gas reaches uniform temperature, but cannot ensure hot gas pressure, this device does not have air blast not produce pressure combustion, and hot gas pressure does not reach the force value needing to ensure, is not suitable for the drying of polyacrylamide.
Utility model content
The utility model is for overcoming above-mentioned the deficiencies in the prior art, design a kind of hot-blast stove device being applied to polyacrylamide (PAM) drying newly, to reduce thermal loss in dry run in the past and power consumption, and safety, provide flue gas as hot air fluidized medium efficiently, to realize PAM fluidized bed drying.
For reaching above object, the hot-blast stove device bag being applied to polyacrylamide drying of the present utility model
Draw together:
Body of heater, arranges a burner in described body of heater;
Cold wind import and hot-blast outlet, be arranged on the sidewall of described body of heater, and described cold wind import is connected with an air blast, and described hot-blast outlet is connected with a polyacrylamide fluid bed;
Igniting pipeline and air inlet pipeline, be connected on the sidewall of described body of heater; And
Control system, comprise flow control valve and switch board, described flow control valve is connected on described air inlet pipeline, described flow control valve and described igniting pipeline are electrically connected with described switch board respectively, and described switch board is monitored by described flow control valve and controls described igniting pipeline when the air inflow entering a combustion gas of described body of heater by described air inlet pipeline reaches a setting value and light a fire to described burner.
The above-mentioned hot-blast stove device being applied to polyacrylamide drying, wherein, also comprises air quantity regulating part, and described air quantity regulating part is arranged in described body of heater, and between described burner and described hot-blast outlet.
The above-mentioned hot-blast stove device being applied to polyacrylamide drying, wherein, described air quantity regulating part comprises air intake fixed dam and two air inlet adjustment plates, air intake fixed dam is fixedly connected in described body of heater, have gap between two described air inlet adjustment plates, two described air inlet adjustment plates are movably connected on described fixed dam to regulate described gap length.The above-mentioned hot-blast stove device being applied to polyacrylamide drying, wherein, also comprise nitrogen pipeline, described nitrogen pipeline is connected on the sidewall of described body of heater.
The above-mentioned hot-blast stove device being applied to polyacrylamide drying, wherein, also comprise nitrogen pipeline, described nitrogen pipeline is connected to described air inlet pipeline.
The above-mentioned hot-blast stove device being applied to polyacrylamide drying, wherein, also comprises heat-insulation layer, the coated outside being arranged at described body of heater of described heat-insulation layer.
The above-mentioned hot-blast stove device being applied to polyacrylamide drying, wherein, also comprise inspection manhole, described inspection manhole is arranged at the sidewall of described body of heater.
The above-mentioned hot-blast stove device being applied to polyacrylamide drying, wherein, also comprise fire observation window, described fire observation window is arranged at the sidewall of described body of heater.
The above-mentioned hot-blast stove device being applied to polyacrylamide drying, wherein, described cold wind import and described hot-blast outlet are oppositely arranged.
Adopt the beneficial effect being applied to the hot-blast stove device of polyacrylamide drying of the present utility model:
Hot-blast stove device of the present utility model realizes combustion gas and the direct mixed combustion of plant air to generate thermal source flue gas, and thermal source flue gas and wet PAM direct contact heat transfer in fluid bed realize drying, can reduce by 30% thermal loss compared with technique in the past.Hot-blast furnace equipment is simple and reasonable for structure, efficient, the power consumption low (power-equipment is only equipped with into cold wind air blast) that device is equipped with.
In dry run, temperature controls to adopt advanced flow control valve, improves control accuracy, ensures that temperature fluctuation range is ± 1 DEG C, prevents from exceeding thermally sensitive temperature in polypropylene milling amine wet feed dry run, improve the quality of products.
Original heat-condutive oil heat exchanger is replaced with fuel gas hot-blast stove in the technical scheme of the application, body of heater internal resistance part is little, and the pressure loss is little, improves fluidized bed drying system admission pressure, ensure that the better fluidized state of polypropylene milling amine wet feed in fluid bed, effectively prevent dead bed phenomenon in fluid bed.
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail, but not as to restriction of the present utility model.
Accompanying drawing explanation
Fig. 1 is the positive-pressure combustion device of prior art and the structural representation of technique thereof;
Fig. 2 is the structural representation of the autocontrol water reducer coal gas hot-blast drying unit of prior art;
Fig. 3 is the front view being applied to the hot-blast stove device of polyacrylamide drying of the present utility model;
Fig. 4 is the side view being applied to the hot-blast stove device of polyacrylamide drying of the present utility model;
Fig. 5 is the heat supply method block diagram for polyacrylamide drying of the present utility model.
Wherein, Reference numeral
The 100 hot-blast stove devices being applied to polyacrylamide drying
110 bodies of heater
120 cold wind imports
130 hot-blast outlets
140 igniting pipelines
150 air inlet pipelines
160 burners
161 burner fixed supports
170 control systems
171 switch boards
172 flow control valves
180 air quantity regulating parts
181 air intake fixed dams
182 air inlet adjustment plates
190 nitrogen pipeline
200 fire observation windows
210 heat-insulation layers
220 inspection manholes
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, technical solutions of the utility model are described in detail, further to understand the purpose of this utility model, scheme and effect, but not as the restriction of the utility model claims protection domain.
Consult Fig. 3 and Fig. 4, the dry hot-blast stove device 100 of polyacrylamide (PAM) that is applied to of the present utility model comprises body of heater 110, cold wind import 120, hot-blast outlet 130, igniting pipeline 140, air inlet pipeline 150, burner 160 and control system.
Burner 160 is arranged in body of heater 110, and burner 160 is supported by burner fixed support 161, and burner fixed support 161 is arranged near cold wind import 120.Cold wind import 120, hot-blast outlet 130, igniting pipeline 140 and air inlet pipeline 150 are arranged on the sidewall of body of heater 110 respectively.Wherein, cold wind import 120 and hot-blast outlet 130 are arranged on the relative two side of body of heater 110, and cold wind import 120 is connected with air blast, and hot-blast outlet 130 is connected with polyacrylamide fluid bed.Air inlet pipeline 150 for passing into combustion gas in body of heater 110, and combustion gas is such as natural gas, gas etc., and igniting pipeline 140 is for lighting the burner 160 in body of heater 110.Body of heater 110 has primary air inlet 111, and it is inner that air inlet pipeline 150 enters body of heater 110 by primary air inlet 111.
Control system comprises switch board 171 and flow control valve 172, and flow control valve 172 is connected on air inlet pipeline 150, and flow control valve 172 and igniting pipeline 140 are electrically connected with switch board 171 respectively.Switch board 171 monitors the air inflow of the combustion gas being entered body of heater 110 by air inlet pipeline 150 by flow control valve 172.Switch board 171 regulates the air inflow and the admission pressure that are entered the combustion gas of body of heater 110 by primary air inlet 111 by flow control valve 172, and confirms device duration of ignition.Be specially, when switch board 171 has reached a setting value by the air inflow that flow control valve 172 monitors combustion gas, when namely having reached certain admission pressure in body of heater 110,140 pairs, fire tube road, switch board 171 control point burner 160 is lighted a fire, combustion gas directly mixes with the plant air entering body of heater 110 by cold wind import 120 by blower blows, forms pressure combustion.The thermal source flue gas that pressure combustion generates enters polyacrylamide fluid bed by hot-blast outlet 130, drying is realized, with the thermal loss by 30% can be reduced compared with the mode of heat-condutive oil heat exchanger drying of polyacrylamide fluid bed in the past with the direct contact heat transfer in fluid bed of the wet stock in polyacrylamide fluid bed.
In dry run, temperature controls, and adopts advanced flow control valve, improves control accuracy, ensures that temperature fluctuation range is ± 1 DEG C, prevents from exceeding thermally sensitive temperature in polypropylene milling amine wet feed dry run, improve the quality of products.
The hot-blast stove device 100 being applied to polyacrylamide drying of the present utility model also comprises air quantity regulating part 180, and air quantity regulating part 180 is arranged in body of heater 110, and between burner 160 and hot-blast outlet 130.
As shown in Figure 3 and Figure 4, air quantity regulating part 180 comprises two air intake fixed dams 181 and two air inlet adjustment plates 182, air intake fixed dam 181 is fixedly connected in body of heater 110, such as air intake fixed dam about 181 is connected in body of heater 110, between two air intake fixed dams 181, there is air port, two air inlet adjustment plates 182 are movably connected on fixed dam 181, have gap between two air inlet adjustment plates 182.According to air-out pressure requirements, the gap between two air inlet adjustment plates 182 can be regulated.In the present embodiment, air inlet adjustment plate 182 is fixedly connected on fixed dam 181 by multiple bolt, is regulated the openings of sizes of air inlet adjustment plate 182 by adjusting bolt, regulates air-out volume and the wind speed of hot blast, to meet various technological requirement.
The hot-blast stove device 100 being applied to polyacrylamide drying of the present utility model also comprises nitrogen pipeline 190, and nitrogen pipeline 190 is connected on the sidewall of body of heater 110, or nitrogen pipeline 190 is connected to air inlet pipeline 150.When nitrogen pipeline 190 is connected to air inlet pipeline 150, nitrogen or combustion gas are passed in body of heater 110 by same air inlet by nitrogen pipeline 190 and air inlet pipeline 150.Nitrogen pipeline 190 is for carrying out nitrogen purging, to ensure the burning situation in body of heater 110 to the body of heater 110 of hot blast stove system.
The hot-blast stove device 100 being applied to polyacrylamide drying of the present utility model also comprises fire observation window 200, and fire observation window 200 is arranged at the sidewall of body of heater 110, is used for implementing the flame combustion length in observation stove and burning quality.
The hot-blast stove device 100 being applied to polyacrylamide drying of the present utility model also comprises heat-insulation layer 210, and the coated outside being arranged at body of heater 110 of heat-insulation layer, to reduce thermal loss to greatest extent, improves hot efficiency of combustion.
The hot-blast stove device 100 being applied to polyacrylamide drying of the present utility model also comprises the inspection manhole 220 during maintenance, and inspection manhole is arranged at the sidewall of body of heater 110.
Consult Fig. 5, the above-mentioned using method being applied to the hot-blast stove device 100 of polyacrylamide drying comprises the steps:
S100, opens air blast, sends in body of heater 110 by a cold wind by cold air inlet 120;
S200, opens air inlet pipeline 150, and combustion gas enters in body of heater 110 by air inlet pipeline 150;
S300, switch board 171 is monitored by the air inflow of flow control valve 172 to the combustion gas entered in body of heater 110 by air inlet pipeline 150, when monitoring air inflow and reaching a setting value, 140 pairs, fire tube road, switch board 171 control point burner 160 is lighted a fire, generate a high temperature and high pressure flue gas after cold wind and fuel gas buring, high temperature and high pressure flue gas enters polyacrylamide fluid bed by hot-blast outlet 130.
Step S100 also comprises the steps:
Nitrogen is passed into carry out nitrogen purging to body of heater 110 in body of heater.
Also comprise the steps: before step 200
Regulated air-out volume and the air-out wind speed of high temperature and high pressure flue gas by the air quantity regulating part 180 arranged in adjustment body of heater 110, meet different technological requirements to make high temperature and high pressure flue gas.
Step S300 also comprises the steps:
Body of heater flame burning length and burning quality is observed by the fire observation window 200 be arranged on the sidewall of body of heater 110.
Generally speaking, consult Fig. 3, Fig. 4 and Fig. 5, cold wind is entered in body of heater 110 by cold wind import 120 through air blast air blast.Before unlatching burner 160, by magnetic valve opening and closing, close natural gas or device in Gas air inlet, open air blast, then open nitrogen pipeline 190 air inlet, nitrogen purging is carried out to hot blast stove system, to ensure the burning situation in hot-blast stove.After purging, by magnetic valve opening and closing, close nitrogen pipeline 190, open air inlet pipeline 150, natural gas or gas pass in body of heater 110 through primary air inlet 111, jointly completed by temperature program in flow control valve 172 and switch board 171 and gas flow monitored and controls, when flow monitoring reaches setting value, switch board 171 is lighted a fire by 140 pairs, fire tube road, control point burner 160, cold wind is after burner 160 heats, generate the high temperature and high pressure flue gas meeting technological requirement, by after the air quantity regulating part 180 that regulates air intake aperture, by hot-blast outlet 130 with enter PAM fluid bed air compartment, for polyacrylamide fluidized bed drying provides hot air fluidized medium, to realize PAM fluidized bed drying.
Certainly; the utility model also can have other various embodiments; when not deviating from the utility model spirit and essence thereof; those of ordinary skill in the art are when making various corresponding change and distortion according to the utility model, but these change accordingly and are out of shape the protection domain that all should belong to the claim appended by the utility model.
Claims (9)
1. be applied to a hot-blast stove device for polyacrylamide drying, it is characterized in that, comprising:
Body of heater, arranges a burner in described body of heater;
Cold wind import and hot-blast outlet, be arranged on the sidewall of described body of heater, and described cold wind import is connected with an air blast, and described hot-blast outlet is connected with a polyacrylamide fluid bed;
Igniting pipeline and air inlet pipeline, be connected on the sidewall of described body of heater; And
Control system, comprise flow control valve and switch board, described flow control valve is connected on described air inlet pipeline, described flow control valve and described igniting pipeline are electrically connected with described switch board respectively, and described switch board is monitored by described flow control valve and controls described igniting pipeline when the air inflow entering a combustion gas of described body of heater by described air inlet pipeline reaches a setting value and light a fire to described burner.
2. the hot-blast stove device being applied to polyacrylamide drying according to claim 1, is characterized in that, also comprise air quantity regulating part, and described air quantity regulating part is arranged in described body of heater, and between described burner and described hot-blast outlet.
3. the hot-blast stove device being applied to polyacrylamide drying according to claim 2, it is characterized in that, described air quantity regulating part comprises air intake fixed dam and two air inlet adjustment plates, air intake fixed dam is fixedly connected in described body of heater, have gap between two described air inlet adjustment plates, two described air inlet adjustment plates are movably connected on described fixed dam to regulate described gap length.
4. the hot-blast stove device being applied to polyacrylamide drying according to claim 1, it is characterized in that, also comprise nitrogen pipeline, described nitrogen pipeline is connected on the sidewall of described body of heater.
5. the hot-blast stove device being applied to polyacrylamide drying according to claim 1, it is characterized in that, also comprise nitrogen pipeline, described nitrogen pipeline is connected to described air inlet pipeline.
6. the hot-blast stove device being applied to polyacrylamide drying according to any one of claim 1 to 5, is characterized in that, also comprise heat-insulation layer, the coated outside being arranged at described body of heater of described heat-insulation layer.
7. the hot-blast stove device being applied to polyacrylamide drying according to any one of claim 1 to 5, it is characterized in that, also comprise inspection manhole, described inspection manhole is arranged at the sidewall of described body of heater.
8. the hot-blast stove device being applied to polyacrylamide drying according to any one of claim 1 to 5, it is characterized in that, also comprise fire observation window, described fire observation window is arranged at the sidewall of described body of heater.
9. the hot-blast stove device being applied to polyacrylamide drying according to any one of claim 1 to 5, is characterized in that, described cold wind import and described hot-blast outlet are oppositely arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420779080.0U CN204460998U (en) | 2014-12-10 | 2014-12-10 | Be applied to dry hot-blast furnace device of polyacrylamide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420779080.0U CN204460998U (en) | 2014-12-10 | 2014-12-10 | Be applied to dry hot-blast furnace device of polyacrylamide |
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| Publication Number | Publication Date |
|---|---|
| CN204460998U true CN204460998U (en) | 2015-07-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420779080.0U Active CN204460998U (en) | 2014-12-10 | 2014-12-10 | Be applied to dry hot-blast furnace device of polyacrylamide |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204460998U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105588323A (en) * | 2016-02-24 | 2016-05-18 | 北京东方德泰科技有限公司 | Gas water heater |
| CN105737584A (en) * | 2014-12-10 | 2016-07-06 | 中国石油天然气股份有限公司 | Hot blast stove device applied to polyacrylamide drying and heat supply method |
-
2014
- 2014-12-10 CN CN201420779080.0U patent/CN204460998U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105737584A (en) * | 2014-12-10 | 2016-07-06 | 中国石油天然气股份有限公司 | Hot blast stove device applied to polyacrylamide drying and heat supply method |
| CN105737584B (en) * | 2014-12-10 | 2018-12-25 | 中国石油天然气股份有限公司 | Hot blast stove device applied to polyacrylamide drying and heat supply method |
| CN105588323A (en) * | 2016-02-24 | 2016-05-18 | 北京东方德泰科技有限公司 | Gas water heater |
| CN105588323B (en) * | 2016-02-24 | 2019-03-01 | 北京东方德泰科技有限公司 | Gas heater |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |