阅读说明：本技术 一种外加热型式的煤气发生炉 (External heating type gas producer ) 是由 沈兆杰 白雪华 刘卿 于 2020-04-23 设计创作，主要内容包括：本发明涉及煤制气技术领域,公开了一种外加热型式的煤气发生炉,包括：炉体、出料装置、二次冷风装置、布气装置、燃气辐射管以及加料装置,所述炉体由预热段、气化段以及冷却段组成,所述布气装置包括：第一布气装置以及第二布气装置,所述出料装置设置于所述炉体底端,该外加热型式的煤气发生炉设计合理,使用方法简单便于操作,该煤气发生炉产生的气体热值高,可以作为合成氨及煤气制甲醇等源料气,利用辐射管(燃气或电辐射管)代替原煤气发生炉中还原反应所需要的热源,气化剂采用纯蒸气作为气化剂,提高燃气热值,由于采用高温(1000℃-1200℃)出气,气体中不含焦油,不产生酚水不对环境造成二次污染。(The invention relates to the technical field of gas making from coal, and discloses an external heating type gas producer, which comprises: furnace body, discharging device, secondary cold wind device, gas distribution device, gas radiant tube and feeding device, the furnace body comprises preheating section, gasification section and cooling zone, the gas distribution device includes: the gas heat value generated by the gas generating furnace is high, the gas generating furnace can be used as source material gas for preparing methanol and the like from synthetic ammonia and coal gas, a radiant tube (gas or electric radiant tube) is used for replacing a heat source required by reduction reaction in a raw gas generating furnace, pure steam is used as a gasifying agent for improving the gas heat value, and the gas is discharged at high temperature (1000-1200 ℃), so that tar is not contained in the gas, phenol water is not generated, and secondary pollution to the environment is not caused.)

1. An external heating type gas producer is characterized by mainly comprising: furnace body (1), discharging device, secondary cold wind device, gas distribution device, gas radiant tube (2) and feeding device (3), furnace body (1) comprises preheating section, gasification section and cooling zone, the gas distribution device includes: a first gas distribution device (4) and a second gas distribution device (5);

the discharging device set up in furnace body (1) bottom, secondary cold wind device set up in furnace body (1) bottom, first cloth gas device (4) set up in on furnace body (1), second cloth gas device (5) set up in on furnace body (1), gas radiant tube (2) set up on furnace body (1), just gas radiant tube (2) are located second cloth gas device (5) bottom, feeding device (3) set up in on furnace body (1), just feeding device (3) are located furnace body (1) top.

2. The external heating type gas producer of claim 1, wherein the discharging means comprises: the device comprises a conveying device (6), a first discharging device (7), a second discharging device (8), a storage bin (9) and a third discharging device (10);

third discharge apparatus (10) fixed mounting in on furnace body (1), second discharge apparatus (8) fixed mounting in third discharge apparatus (10) bottom, feed bin (9) with second discharge apparatus (8) bottom interconnect, first discharge apparatus (7) fixed mounting in feed bin (9) bottom, conveying equipment (6) set up in first discharge apparatus (7) bottom.

3. The gas producer of claim 2, wherein the side wall of the silo (9) is provided with a cooling air inlet (901), and the top end of the silo (9) is provided with a cooling air outlet (902).

4. An external heating type gas producer as claimed in claim 1, wherein the furnace body (1) is provided with a water pipe (11), and the water pipe (11) is located at the cooling section of the furnace body (1).

5. An external heating type gas producer as claimed in claim 1, wherein a shell (12) is provided on the furnace body (1), the shell (12) being located at the top end of the furnace body (1).

6. An external heating type gas producer as claimed in claim 1, wherein a refractory brick wall (13) is provided on top of the furnace body (1), the refractory brick wall (13) being located between the housing (12) and the furnace body (1).

7. An external heating type gas producer according to claim 1, wherein the furnace body (1) is provided with a steam inlet (101), and the steam inlet (101) is positioned between the first gas distribution device (4) and the third discharge device (10).

8. The gas producer of claim 1, wherein the gas outlet (102) is disposed on the furnace body (1), and the gas outlet (102) is disposed between the housing (12) and the refractory brick wall (13).

9. The gas producer of claim 1, wherein the top of the furnace body (1) is provided with a gas main outlet (103).

10. The gas producer of claim 2, wherein the first discharge device (7) and the second discharge device (8) are star-shaped discharge devices, and the third discharge device (10) is a pallet discharge device.

Technical Field

The invention relates to the technical field of gas preparation from coal, in particular to an external heating type gas producer.

Background

The gas producer is a reaction furnace for producing gas, water gas and semi-water gas, and its furnace body is made of steel plate or made of bricks, and its outer shell is lined with refractory bricks, and is equipped with charging equipment, blast pipeline and gas pipeline, and can be divided into mechanical producer, stepped producer, producer with rotary furnace body and two-stage producer according to their structure, and can be divided into fixed bed or fluidized bed gas producer according to their process.

The coal gas producer is a device for converting coal and biomass solid energy into combustible gas, the combustible gas mainly comprises CO, H2, CH4 and the like, and the working principle is as follows: qualified solid energy sources (coal, biological fuel, coke, coal gangue and the like) are added into a furnace through a coal feeder, a gasifying agent (mixture of air and steam) is blown from the bottom of the furnace to complete oxidation and reduction reactions, so that combustible gas is obtained, the generated combustible gas has a low heat value due to a large amount of nitrogen in the gasifying agent, and the gas generated by the conventional coal gas producer contains tar and can generate phenol water to cause secondary pollution to the environment.

Disclosure of Invention

The invention provides an external heating type gas producer, which aims to solve the problems that the combustible gas generated by the existing gas producer has low heat value, so that the generated gas contains tar, and simultaneously generates phenol water to cause secondary pollution to the environment.

In order to achieve the above-mentioned effect, the present application provides an external heating type gas generating furnace, which mainly comprises: furnace body 1, discharging device, secondary cold wind device, gas distribution device, gas radiant tube 2 and feeding device 3, furnace body 1 comprises preheating section, gasification section and cooling zone, the gas distribution device includes: a first air distribution device 4 and a second air distribution device 5;

the discharging device set up in 1 bottom of furnace body, the secondary cold wind device set up in 1 bottom of furnace body, first gas distribution device 4 set up in on the furnace body 1, second gas distribution device 5 set up in on the furnace body 1, gas radiant tube 2 sets up on the furnace body 1, just gas radiant tube 2 is located 5 bottoms of second gas distribution device, feeding device 3 set up in on the furnace body 1, just feeding device 3 is located 1 top of furnace body.

Preferably, the discharging device comprises: the device comprises a conveying device 6, a first discharging device 7, a second discharging device 8, a bin 9 and a third discharging device 10;

third discharge apparatus 10 fixed mounting in on the furnace body 1, second discharge apparatus 8 fixed mounting in third discharge apparatus 10 bottom, feed bin 9 with 8 bottom interconnect of second discharge apparatus, first discharge apparatus 7 fixed mounting in the 9 bottom of feed bin, conveying equipment 6 set up in 7 bottoms of first discharge apparatus.

Preferably, a cooling air inlet 901 is arranged on the side wall surface of the storage bin 9, and a cooling air outlet 902 is arranged at the top end of the storage bin 9.

Preferably, a water pipe 11 is arranged on the furnace body 1, and the water pipe 11 is located at the cooling section of the furnace body 1.

Preferably, a shell 12 is arranged on the furnace body 1, and the shell 12 is located at the top end of the furnace body 1.

Preferably, a refractory wall 13 is disposed at the top end of the furnace body 1, and the refractory wall 13 is located between the casing 12 and the furnace body 1.

Preferably, the furnace body 1 is provided with a steam inlet 101, and the steam inlet 101 is located between the first gas distribution device 4 and the third discharging device 10.

Preferably, the gas outlet 102 is disposed on the furnace body 1, and the gas outlet 102 is disposed between the casing 12 and the firebrick wall 13.

Preferably, the top end of the furnace body 1 is provided with a main coal gas outlet 103.

Preferably, the first discharging device 7 and the second discharging device 8 both adopt star-shaped discharging devices, and the third discharging device 10 adopts a pallet discharging device.

The invention provides an external heating type gas producer, which comprises: furnace body, discharging device, secondary cold wind device, gas distribution device, gas radiant tube and feeding device, the furnace body comprises preheating section, gasification section and cooling zone, the gas distribution device includes: a first air distribution device and a second air distribution device; the discharging device is arranged at the bottom end of the furnace body, the secondary cold air device is arranged at the bottom end of the furnace body, the first air distribution device is arranged on the furnace body, the second air distribution device is arranged on the furnace body, the gas radiant tube is positioned at the bottom end of the second air distribution device, the feeding device is arranged on the furnace body, and the feeding device is positioned at the top end of the furnace body, the external heating type gas generator has reasonable design, the using method is simple and convenient to operate, the gas generated by the gas generator has high heat value and can be used as source material gas for preparing methanol and the like from synthetic ammonia and coal gas, the radiant tube (gas or electric radiant tube) is used for replacing a heat source required by reduction reaction in a raw gas generator, the gasification agent adopts pure steam as the gasification agent, the heat value of the gas is improved, and the high temperature (1000, the gas does not contain tar, does not produce phenol water, does not cause secondary pollution to the environment, and solves the problems that the combustible gas generated by the existing gas producer has low heat value, the generated gas contains tar, and simultaneously, the gas can produce phenol water, and the secondary pollution to the environment is caused.

Drawings

FIG. 1 is a schematic front view of a gas producer of an external heating type according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a preheating section of an external heating type gas producer according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of the structure of the gasification section of an external heating type gas producer according to an embodiment of the invention.

In the figure, 1, a furnace body; 101. a steam inlet; 102. a coal gas outlet; 103. a main coal gas outlet; 2. a gas radiant tube; 3. a feeding device; 4. a first gas distribution device; 5. a second gas distribution device; 6. a conveying device; 7. a first discharge device; 8. a second discharge device; 9. a storage bin; 901. a cooling air inlet; 902. a cooling air outlet; 10. a third discharge device; 11. A water pipe; 12. a housing; 13. a firebrick wall body.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.