CN201534834U

CN201534834U - Multi-V-shaped pulverized coal continuous gasification furnace

Info

Publication number: CN201534834U
Application number: CN2009200484663U
Authority: CN
Inventors: 王庆新
Original assignee: 王揽月
Priority date: 2009-10-22
Filing date: 2009-10-22
Publication date: 2010-07-28
Anticipated expiration: 2019-10-22

Abstract

The utility model relates to a multi-V-shaped pulverized coal continuous gasification furnace, which mainly solves the technical problems that the existing gasification furnace has low resource utilization rate, serious environmental pollution and the like, and is characterized in that a lower fluid mixing and conveying unit, an upper liquid mixing and conveying unit, a pulverized coal conveying and sealing unit, an ash discharging unit, a secondary flying chip recovery unit and a waste heat recovery and gas purification unit which are respectively connected with a furnace body are arranged on the furnace body. The utility model has the beneficial effects of realizing the diversification of coal types, simultaneously reducing the dust greatly, lowering the pollution and improving the secondary use of coal ash, and thereby improving the utilization benefit of the coal to the maximum extent.

Description

A kind of many V-arrangements fine coal continuous gasification furnace

Technical field

The utility model relates to a kind of equipment for gasification, relates to a kind of many V-arrangements fine coal continuous gasification furnace in particular, is mainly used in coal chemical technology.

Background technology

Rich coal resources in China, distributed more widely, kind is more, and China's Coal Chemical Industry at home chemical industry occupy critical role, that most of coal chemical industry enterprises is still used is seriously polluted, the coal utilization rate is low, be suitable for the intermittent type fixed-bed gasification furnace of defectives such as coal is single, domestic according to incompletely statistics still have more than 10,000 at the intermittent type fixed-bed gasification furnace of operation, so not only limited coal resources of wasting greatly and environment caused serious harm.

Summary of the invention

Technical problems such as low and environmental pollution is serious for the resource utilization that solves existing vapourizing furnace; The utility model provides a kind of many V-arrangements fine coal continuous gasification furnace, and it not only can improve coal utilizaton rate and also can reduce harm to environment greatly, reduces and pollutes; Also can gasify simultaneously to multiple coal.

For solving above technical problem, the technical scheme that the utility model is taked is a kind of many V-arrangements fine coal continuous gasification furnace, it includes the vapourizing furnace body of heater, it is characterized in that described body of heater is provided with following fluid mixing and supply unit, last fluid mixing and supply unit, fine coal conveying and sealing unit, ash discharge unit, secondary flying chip recovery unit and waste heat recovery and the gas purification units that links to each other with body of heater respectively.

Further, described vapourizing furnace body of heater is by last withstand voltage elipse head, overpressure resistant barrel, withstand voltage V-arrangement cone II, withstand voltage V-arrangement cone III, down withstand voltage elipse head is formed, be provided with thermal insulation layer and flame retardant coating successively at described vapourizing furnace inboard wall of furnace body, be provided with high temperature resistant anti-washing away in described vapourizing furnace body of heater upper end and be provided with V-arrangement remittance dirt dust settler on pour mass and the body of heater lumen, be provided with the high temperature resistant anti-pour mass that washes away in described vapourizing furnace body of heater lower end, on the sidewall of described vapourizing furnace body of heater lower end, be respectively equipped with warm fluid tip in the eddy current, eddy current high temperature fluid nozzle, the frequency modulation screw feeder reaches grey tube cell down, is provided with up fluid delivery tube I in described vapourizing furnace body of heater upper end.

Further, mixing of described fluid down and supply unit include following mixed stream transfer lime and following eddy flow fluid medium mixing tank that links to each other successively and the following fluid medium transfer lime that links to each other with warm fluid tip in the eddy current.

Further, mixing of described upward fluid and supply unit include last mixed stream transfer lime that links to each other with eddy current high temperature fluid nozzle 112 and the forward spin flow fluid medium mixing tank that links to each other with last mixed stream transfer lime successively, go up the fluid medium transfer lime.

Further, described fine coal carries that and sealing unit includes the following solid dielectric transfer lime that links to each other with the frequency modulation screw feeder and the following wooden dipper shape solid dielectric that links to each other with following solid dielectric transfer lime successively stores gas-tight silo, upward the solid dielectric transfer lime reaches upward wooden dipper shape solid dielectric storage gas-tight silo.

Further, described ash discharge unit includes the upper trapezoid ashes that links to each other with grey tube cell down and stores gas-tight silo and store last ashes sealed tube, lower trapezoid ashes storage gas-tight silo, following ashes sealed tube and the frequency modulation spiral ash discharging gear that gas-tight silo links to each other successively with the upper trapezoid ashes.

Further, described secondary flying chip reclaims the unit and includes dust pants pipe that is connected with the vapourizing furnace body of heater and one-level dust return pipe and the secondary dust return pipe that links to each other with dust pants pipe respectively, be connected with primary cyclone on the described one-level dust return pipe, be connected with secondary cyclone on the described secondary dust return pipe, described primary cyclone is connected by up fluid delivery tube II with secondary cyclone.

Further, described waste heat recovery includes up fluid delivery tube III, three-stage cyclone separator, up fluid delivery tube IV, water pipe waste-heat recoverer, U-shaped vapor superheater, U-shaped soft water heater I, heat pipe-type low grade residual heat withdrawer, heat pipe-type oxygen enrichment or pure oxygen superheater, U-shaped soft water heater II, the washing tower that links to each other successively with gas purification units, and described up fluid delivery tube III is connected with secondary cyclone.

The beneficial effects of the utility model are to realize the variation of coal, and also can reduce dust greatly, reduce the second stage employ of polluting and improving coal ash, thereby farthest improve the benefit of utilizing of coal.

Description of drawings

Fig. 1 is the structural representation of a kind of many V-arrangements fine coal of the utility model embodiment continuous gasification furnace

Specific embodiments

Below in conjunction with accompanying drawing the utility model embodiment is described further:

As shown in Figure 1, a kind of many V-arrangements fine coal of the utility model continuous gasification furnace, it includes vapourizing furnace body of heater 1, technical problems such as low and environmental pollution is serious for the resource utilization that solves existing vapourizing furnace, described body of heater 1 are provided with that the following fluid that links to each other with body of heater 1 respectively mixes and supply unit 2, go up that fluid mixes and supply unit 3, fine coal carries and sealing unit 4, ash discharge unit 5, secondary flying chip recovery unit 6 and waste heat recovery and gas purification units 7; Adopt this structure, not only can realize the variation of coal, and also can reduce dust greatly, reduce the second stage employ of polluting and improving coal ash, thereby farthest improve the benefit of utilizing of coal.

In the present embodiment, described vapourizing furnace body of heater 1 is by last withstand voltage elipse head 11, overpressure resistant barrel 12, withstand voltage V-arrangement cone II 13, withstand voltage V-arrangement cone III14, down withstand voltage elipse head 15 is formed, be provided with thermal insulation layer 18 and flame retardant coating 19 successively at described vapourizing furnace inboard wall of furnace body, be provided with high temperature resistant anti-washing away in described vapourizing furnace body of heater 1 upper end and be provided with V-arrangement remittance dirt dust settler 16 on pour mass 17 and body of heater 1 lumen, be provided with the high temperature resistant anti-pour mass 101 that washes away in described vapourizing furnace body of heater 1 lower end, on the sidewall of described vapourizing furnace body of heater lower end, be respectively equipped with warm fluid tip 111 in the eddy current, eddy current high temperature fluid nozzle 112, frequency modulation screw feeder 113 reaches grey tube cell 114 down, is provided with up fluid delivery tube I115 in described vapourizing furnace body of heater upper end.

In the present embodiment, mixing of described fluid down and supply unit 2 include following mixed stream transfer lime 21 that links to each other with warm fluid tip 111 in the eddy current and following eddy flow fluid medium mixing tank 22 and the following fluid medium transfer lime 23 that links to each other successively.

In the present embodiment, described last fluid mixing and supply unit 3 include the last mixed stream transfer lime 31 that links to each other with eddy current high temperature fluid nozzle 112 and reach the forward spin flow fluid medium mixing tank 32 that links to each other with last mixed stream transfer lime 31 successively, last fluid medium transfer lime 33.

In the present embodiment, described fine coal carry and sealing unit 4 include the following solid dielectric transfer lime 41 that links to each other with frequency modulation screw feeder 113 and store gas-tight silo 42 the following wooden dipper shape solid dielectric that links to each other with following solid dielectric transfer lime 41 successively, upward solid dielectric transfer lime 43 reaches upward wooden dipper shape solid dielectric storage gas-tight silo 44.

In the present embodiment, described ash discharge unit 5 includes the upper trapezoid ashes that links to each other with grey tube cell 114 down and stores gas-tight silo 51 and store last ashes sealed tube 52, lower trapezoid ashes storage gas-tight silo 53, following ashes sealed tube 54 and the frequency modulation spiral ash discharging gear 55 that gas-tight silo 51 links to each other successively with the upper trapezoid ashes.

In the present embodiment, described secondary flying chip reclaims unit 6 and includes dust pants pipe 61 that is connected with vapourizing furnace body of heater 1 and one-level dust return pipe 62 and the secondary dust return pipe 63 that links to each other with dust pants pipe 61 respectively, be connected with primary cyclone 64 on the described one-level dust return pipe 62, be connected with secondary cyclone 65 on the described secondary dust return pipe 63, described primary cyclone 64 is connected by up fluid delivery tube II 66 with secondary cyclone 65.

In the present embodiment, described waste heat recovery includes up fluid delivery tube III71, three-stage cyclone separator 72, up fluid delivery tube IV73, water pipe waste-heat recoverer 74, U-shaped vapor superheater 75, U-shaped soft water heater I 76, heat pipe-type low grade residual heat withdrawer 77, heat pipe-type oxygen enrichment or pure oxygen superheater 78, U-shaped soft water heater II 79, the washing tower 80 that links to each other successively with gas purification units 7, and described up fluid delivery tube III71 is connected with secondary cyclone 65.

The foregoing description should not be considered as restriction of the present utility model, but any improvement of doing based on spirit of the present utility model, all should be within protection domain of the present utility model.

Claims

1. the continuous gasification furnace of V-arrangement fine coal more than one kind, it includes the vapourizing furnace body of heater, it is characterized in that described body of heater is provided with following fluid mixing and supply unit, last fluid mixing and supply unit, fine coal conveying and sealing unit, ash discharge unit, secondary flying chip recovery unit and waste heat recovery and the gas purification units that links to each other with body of heater respectively.

2. a kind of many V-arrangements fine coal continuous gasification furnace according to claim 1, it is characterized in that described vapourizing furnace body of heater is by last withstand voltage elipse head, overpressure resistant barrel, withstand voltage V-arrangement cone II, withstand voltage V-arrangement cone III, down withstand voltage elipse head is formed, be provided with thermal insulation layer and flame retardant coating successively at described vapourizing furnace inboard wall of furnace body, be provided with high temperature resistant anti-washing away in described vapourizing furnace body of heater upper end and be provided with V-arrangement remittance dirt dust settler on pour mass and the body of heater lumen, be provided with the high temperature resistant anti-pour mass that washes away in described vapourizing furnace body of heater lower end, on the sidewall of described vapourizing furnace body of heater lower end, be respectively equipped with warm fluid tip in the eddy current, eddy current high temperature fluid nozzle, the frequency modulation screw feeder reaches grey tube cell down, is provided with up fluid delivery tube I in described vapourizing furnace body of heater upper end.

3. a kind of many V-arrangements fine coal continuous gasification furnace according to claim 1 is characterized in that described fluid down mixes and supply unit includes following mixed stream transfer lime and following eddy flow fluid medium mixing tank that links to each other successively and the following fluid medium transfer lime that links to each other with warm fluid tip in the eddy current.

4. a kind of many V-arrangements fine coal continuous gasification furnace according to claim 1 is characterized in that described upward fluid mixes and supply unit includes last mixed stream transfer lime that links to each other with eddy current high temperature fluid nozzle and the forward spin flow fluid medium mixing tank that links to each other with last mixed stream transfer lime successively, goes up the fluid medium transfer lime.

5. a kind of many V-arrangements fine coal continuous gasification furnace according to claim 1 is characterized in that described fine coal is carried and sealing unit includes the following solid dielectric transfer lime that links to each other with the frequency modulation screw feeder and the following wooden dipper shape solid dielectric that links to each other with following solid dielectric transfer lime successively stores gas-tight silo, upward the solid dielectric transfer lime reaches upward wooden dipper shape solid dielectric storage gas-tight silo.

6. a kind of many V-arrangements fine coal continuous gasification furnace according to claim 1 is characterized in that described ash discharge unit includes the upper trapezoid ashes that links to each other with following grey tube cell and stores gas-tight silo and store last ashes sealed tube, lower trapezoid ashes storage gas-tight silo, following ashes sealed tube and the frequency modulation spiral ash discharging gear that gas-tight silo links to each other successively with the upper trapezoid ashes.

7. a kind of many V-arrangements fine coal continuous gasification furnace according to claim 1, it is characterized in that described secondary flying chip reclaims the unit and includes dust pants pipe that is connected with the vapourizing furnace body of heater and one-level dust return pipe and the secondary dust return pipe that links to each other with dust pants pipe respectively, be connected with primary cyclone on the described one-level dust return pipe, be connected with secondary cyclone on the described secondary dust return pipe, described primary cyclone is connected by up fluid delivery tube II with secondary cyclone.

8. a kind of many V-arrangements fine coal continuous gasification furnace according to claim 1, it is characterized in that described waste heat recovery and gas purification units include up fluid delivery tube III, three-stage cyclone separator, up fluid delivery tube IV, water pipe waste-heat recoverer, U-shaped vapor superheater, U-shaped soft water heater I, heat pipe-type low grade residual heat withdrawer, heat pipe-type oxygen enrichment or pure oxygen superheater, U-shaped soft water heater II, the washing tower that links to each other successively, described up fluid delivery tube III is connected with secondary cyclone.